CN115724242B

CN115724242B - Portal type chain bucket ship unloader

Info

Publication number: CN115724242B
Application number: CN202211051784.1A
Authority: CN
Inventors: 赵迎九; 肖强; 高翔; 王艳琳; 邱兆国; 刘江浩; 曹磊; 赵建君; 谢文宗; 初柳辰; 徐桂鹏; 黄法瑞
Original assignee: Huadian Lanke Technology Co Ltd
Current assignee: Huadian Lanke Technology Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2024-05-28
Anticipated expiration: 2042-08-29
Also published as: CN115724242A

Abstract

The invention relates to the technical field of wharf unloading equipment, in particular to a portal chain bucket ship unloader. The portal chain bucket ship unloader comprises: through setting up mobilizable portal main part, girder, extracting device, operation dolly, pushing off and clear cabin device, clear cabin device thereby make each position homoenergetic of portal formula chain bucket ship unloader move in coordination, and realize the independent motion of each position, thereby improved portal formula chain bucket ship unloader's ship unloading efficiency greatly, and can only move corresponding mobile unit and need not to adjust whole ship unloader when only needing the motion of a small circle, reduced the operation energy consumption, convenient and fast more, improve nimble degree.

Description

Portal type chain bucket ship unloader

Technical Field

The invention relates to the technical field of wharf unloading equipment, in particular to a portal chain bucket ship unloader.

Background

The ship unloader is execution equipment for loading and unloading bulk materials, the common ship unloader is in the form of a bridge grab ship unloader, a chain bucket ship unloader and the like, and the chain bucket ship unloader solves the problems that the traditional grab ship unloader can cause material to scatter, leak, raise dust and the like in the using process, has outstanding environmental protection advantages, and is widely applied to port bulk material ship unloading wharfs.

However, the conventional chain bucket ship unloader basically adopts a portal structure, the chain bucket arm is fixed at the front end of the arm support, and the movement of the chain bucket arm is realized through the rotation of the arm support and the pitching of the arm support. The cantilever crane structure makes the front girder bear very large force and the mechanism of the whole machine is not stressed easily. Meanwhile, when the position of the chain bucket arm is adjusted, the rotation mechanism and the pitching mechanism are required to work together for adjustment, the adjustment is troublesome, and the ship unloading efficiency of the whole ship is low.

Disclosure of Invention

Therefore, the invention aims to overcome the defect of low ship unloading efficiency of the chain bucket ship unloader in the prior art, and further provides the portal chain bucket ship unloader capable of efficiently unloading the ship.

In order to solve the technical problems, the invention provides a portal chain bucket ship unloader, which comprises:

The portal frame body is suitable for moving relative to the wharf foundation along the ship length direction;

The main beam at least partially extends to the sea side and is positioned above the cabin relatively, and is movably connected with the portal main body and is suitable for lifting up and down relative to the portal main body;

The material taking device is suitable for digging materials; the material taking device comprises a material taking frame and a material taking head, the material taking head is movably arranged on the material taking frame, the material taking head comprises a first material taking part and a second material taking part, the second material taking part is arranged on the lower side of the first material taking part, the first material taking part can be lifted relative to the material taking frame, and the second material taking part can be lifted relative to the first material taking part;

The material taking device is arranged on the running trolley and is suitable for being driven by the running trolley to move along the width direction;

the pushing and cleaning cabin device is arranged on the side part of the material taking device along the ship width direction and is suitable for moving along with the material taking device to push and clean materials;

the cabin cleaning device is arranged on the side part of the material taking device along the ship length direction, is adjacent to the pushing cabin cleaning device and is suitable for gathering materials in a direction approaching to the material taking device in a static and/or moving state of the running trolley;

The conveying system is arranged on the portal frame main body and the main beam, one end of the conveying system is correspondingly arranged with the discharge opening of the material taking device, the other end of the conveying system is communicated with the shore conveyor fixedly arranged on the wharf foundation, and at least part of the area of the conveying system is suitable for following the main beam to lift along the height direction.

Optionally, the material taking device further includes:

the first flexible lifting assembly comprises a first lifting driving piece and a first flexible piece, the first flexible piece is connected between the running trolley and the first material taking part, is suitable for being tightened or loosened under the action of the first lifting driving piece, and drives the first material taking part to lift relative to the running trolley;

The second flexible lifting assembly comprises a second lifting driving piece and a second flexible piece, the first flexible piece is connected and arranged between the running trolley and the first material taking part, is suitable for being tightened or loosened under the action of the second lifting driving piece, and drives the second material taking part to lift relative to the first material taking part.

Optionally, the material taking head includes:

The hopper body is suitable for digging and shoveling materials;

the hopper chain is annularly arranged along the height direction, and a plurality of hopper main bodies are connected and arranged on the outer edge of the hopper chain;

The hopper driving piece is connected with and provided with a driving wheel, the driving wheel is matched with the hopper chain, and the hopper driving piece is suitable for driving the driving wheel to rotate and driving the hopper chain to rotate along the height direction.

Optionally, the portal chain bucket ship unloader further comprises:

the trolley traction device comprises a traction rope and a driving device, wherein the traction rope is connected with the running trolley, the traction rope is in a tensioning state for pressing the driving device and a loosening state for loosening the driving device, and the driving device is suitable for driving the traction rope to move when the traction rope is in the tensioning state so as to be suitable for providing traction force for the running trolley.

Optionally, the trolley traction device further includes: and the tensioning device is abutted with the traction rope and is suitable for adjusting the traction rope to be switched between the tensioning state and the loosening state.

Optionally, the driving device includes: the traction rope is wound on the rotating part, the rotating part is tightly pressed when the traction rope is in the tensioning state, the rotating part is loosened when the traction rope is in the loosening state, and the rotating part is suitable for driving the traction rope to move when the traction rope is in the tensioning state.

Optionally, the tensioning device includes: the rotating rod is rotatably arranged on the external structure, two ends of the rotating rod are arranged up and down and are respectively abutted to the traction rope, and the rotating rod adjusts the tightness degree of the traction rope by rotating relative to the external structure.

Optionally, the tensioning device further comprises: and the tensioning driving part is connected with the rotating rod and is suitable for driving the rotating rod to rotate.

Optionally, the rotating rod is rotatably connected with the external structure through a hinge point, and the tensioning driving part drives the rotating rod to rotate around the hinge point along a first rotation direction so as to loosen the traction rope; or the tensioning driving part drives the rotating rod to rotate around the hinge point along the second rotating direction so as to tension the traction rope.

Optionally, the running trolley includes:

A frame;

the wheel frame comprises a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are symmetrically arranged and are rotationally connected with the frame, the first connecting part and the second connecting part are connected through an elastic piece, travelling wheels are arranged at the lower ends of the first connecting part and the second connecting part, and the travelling wheels are suitable for rolling along a first track so as to drive the frame to move along the first track.

Optionally, the pushing and taking off cabin cleaning device includes:

One end of the rod body assembly is rotationally connected with the side part of the material taking device, and the other end of the rod body assembly extends in a direction away from the material taking device;

the pushing and pulling piece is arranged on one side of the extending arrangement of the rod body assembly, and at least part of the pushing and pulling piece extends downwards;

The pushing and taking lifting structure is arranged between the material taking device and the pushing and taking cabin cleaning device, the fixed end of the pushing and taking lifting structure is connected with the material taking device, the movable end of the pushing and taking lifting structure is rotatably connected with one side, far away from the material taking device, of the pushing and taking cabin cleaning device, and the movable end of the pushing and taking lifting structure is suitable for being in telescopic movement relative to the fixed end of the pushing and taking lifting structure, so that the pushing and taking cabin cleaning device is driven to be far away from a first unfolding state of the material taking device, or to be in a first folding state of being folded along the direction of the material taking device.

Optionally, the cabin cleaning device includes:

one end of the mounting frame is rotationally connected with the movable end of the first lifting structure, and the other end of the mounting frame is rotationally connected with the movable end of the second lifting structure;

The spiral sheet is rotationally connected to the mounting frame and is suitable for gathering materials in a direction approaching to the material taking device after rotating;

and the cabin cleaning driving motor is in power connection with the spiral sheet.

Optionally, the cabin cleaning device includes:

The first lifting structure is arranged between the material taking device and the cabin cleaning device along the length direction of the material taking device, the fixed end of the first lifting structure is connected with the material taking device, the movable end of the first lifting structure is connected with the cabin cleaning device, and the movable end of the first lifting structure is suitable for telescopic movement relative to the fixed end of the first lifting structure; the movable end of the first lifting structure is rotationally connected with one side, close to the material taking device, of the cabin cleaning device;

The second lifting structure is arranged between the material taking device and/or the first lifting structure and the cabin cleaning device, the fixed end of the second lifting structure is connected with the material taking device and/or the fixed end of the first lifting structure, the movable end of the second lifting structure is rotatably connected with one side, far away from the material taking device, of the cabin cleaning device, and the movable end of the second lifting structure is suitable for telescopic movement relative to the fixed end of the second lifting structure, so that the cabin cleaning device is driven to be far away from the unfolding state of the material taking device, or to be in the folding state of folding along the direction of the material taking device.

Optionally, the conveying system includes:

a receiving and conveying unit adapted to transport material from the hold;

A hopper assembly adapted to collect and discharge material to the outside;

the middle conveying unit is suitable for continuously transferring materials and comprises a fixed conveying section and a movable conveying section, the fixed conveying section is communicated with the material receiving conveying unit, the movable conveying section is communicated with the funnel assembly, and the fixed conveying section is suitable for being driven by external force to rotate relative to the movable conveying section;

The gallery assembly is arranged on the outer side of the middle conveying unit and is enclosed with at least part of the middle conveying unit to form a sealing cavity, and the gallery assembly is at least partially suitable for being bent along with the relative rotation of the fixed conveying section and the movable conveying section.

Optionally, the portal chain bucket ship unloader further comprises:

The adjustable counterweight device comprises a power structure, a counterweight block, a pulley structure and a counterweight connecting rope, wherein the power structure is fixedly connected to the portal main body and is arranged at intervals from the running workshop; the power structure comprises a power output end capable of reciprocating up and down; the balancing weight is connected with the power output end, the pulley structure is connected to the portal body, one end of the counterweight connecting rope is connected with the material taking device, and the other end of the counterweight connecting rope bypasses the pulley structure and is connected with the balancing weight.

The technical scheme of the invention has the following advantages:

1. According to the portal chain bucket ship unloader provided by the invention, the portal main body is arranged to be suitable for moving relative to a wharf foundation along the ship length direction; the main beam is suitable for lifting up and down relative to the portal main body; the first material taking part of the material taking device can be lifted relative to the material taking frame, and the second material taking part can be lifted relative to the first material taking part; the running trolley is suitable for driving the material taking device to move along the width direction of the ship so as to take materials from the chain bucket in a straight line; and the pushing and pushing cabin cleaning device and the spiral cabin cleaning device are arranged to gather materials in a direction close to the material taking device. Therefore, all parts of the portal chain bucket ship unloader can cooperatively move, independent movement of all parts is realized, ship unloading efficiency of the portal chain bucket ship unloader is greatly improved, and only the corresponding mobile unit is moved without adjusting the whole ship unloader when only small-range movement is needed, so that operation energy consumption is reduced, convenience and rapidness are realized, and flexibility is improved.

2. According to the portal chain bucket ship unloader, the first connecting part and the second connecting part of the trolley frame are rotatably connected with the trolley frame, and the elastic piece is arranged to connect the first connecting part and the second connecting part, so that when the travelling wheel of the travelling trolley is jumped due to external force, the first connecting part or the second connecting part can convert the upward movement trend of the travelling wheel into rotation around the trolley frame, and the elastic piece arranged between the first connecting part and the second connecting part has a buffer effect, so that the rotation amplitude of the first connecting part or the second connecting part around the trolley frame can be further reduced, the jumping amplitude of the travelling wheel is reduced, the shock absorption effect on the travelling trolley is realized, the travelling trolley is prevented from being separated from a track, the collision between the travelling wheel and the first track is reduced, in addition, the elastic piece can also prevent the first connecting part and the second connecting part from being damaged due to rigid collision, and the service life of the device is prolonged.

3. According to the portal chain bucket ship unloader, the trolley traction device is arranged, the traction rope is arranged to tightly press the tensioning state of the rotating part and loosen the loosening state of the rotating part, the driving part is arranged to drive the rotating part to rotate, the traction rope is driven to rotate by the rotating part when in the tensioning state, the tensioning device is arranged to adjust the traction rope to be switched between the tensioning state and the loosening state, when the tensioning device is used for adjusting the traction rope to the tensioning state, the rotating part drives the traction rope to move so as to further drive the running trolley to run, and when the tensioning device is used for adjusting the traction rope to the loosening state, the rotating part cannot drive the traction rope to move so as to further provide traction force for the running trolley, so that whether the traction rope provides traction force for the running trolley is adjusted through the tensioning device or not is realized.

4. According to the portal chain bucket ship unloader provided by the invention, the first flexible lifting component and the second flexible lifting component are respectively arranged and correspondingly lift the first material taking part and the second material taking part, so that the integral lifting of the material taking head can be realized through the same lifting and lowering, and after the material taking head is lifted to the limit position, the second material taking part at the lower side can be further lifted relative to the first material taking part at the upper side through continuously adjusting the second flexible lifting component, so that the lifting range of the material taking device is further effectively improved, the defects that the lifting range of the chain bucket arm is small in the prior art, and the vertical lifting force of cabin movement caused by surge is transmitted to the ship unloader structure from the chain bucket arm, so that the ship unloader structure is damaged, and the use environment of the ship unloader is further influenced are overcome.

5. According to the portal chain bucket ship unloader, the flexible lifting assembly comprising the adjusting structure is arranged, the flexible part can be borne through the adjusting structure, the direction of the flexible part is adjusted, the material taking device can be connected with the material taking head through the adjusting structure or the lifting driving part, when the driving force of the lifting driving part acts on the material taking head along the flexible part, the portal chain bucket ship unloader can act as a double flexible part, the flexible part can be prevented from shaking due to lateral external force when acting on the material taking head along a single line, and the lifting stability of the material taking head is ensured.

6. According to the portal chain bucket ship unloader provided by the invention, the first lifting structure is arranged between the material taking device and the material taking device, and the relative positions of the material taking device and the material taking device are adjusted by utilizing the telescopic action of the first lifting structure, so that the material taking device is far away from the bottom material taking position of the material taking device when the material taking device does not need to work, the height fall between the bottom position of the material taking device and the bottom material taking position of the material taking device is increased, and the situation that the material is pushed away by the material taking device when the material taking device normally operates and is contacted with part of materials on the side surface of the material taking device is avoided, and the material taking device is ensured to be capable of taking materials normally.

7. According to the portal chain bucket ship unloader, the gallery assembly can be bent at the corresponding part, so that the whole gallery assembly can synchronously displace along with the relative rotation of the intermediate conveying unit, the intermediate conveying unit is always ensured to be in a closed environment on the premise of not influencing the normal operation of the conveying system of the chain bucket ship unloader to normally take materials, the environment-friendly problems of scattering materials, dust and the like caused by the lifting movement of the conveying system during transferring the materials are avoided, and the defect that the materials are easy to diffuse into the air and pollute the environment in the process of transferring the materials in the conveying system of the chain bucket ship unloader in the prior art is overcome.

8. According to the portal chain bucket ship unloader provided by the invention, the material taking device and the balancing weight are connected to the main beam at intervals, and the gravity of the material taking device is fully balanced or partially balanced through the pulley structure and the balancing weight connecting rope, so that the stability and the safety of the gravity center of the chain bucket ship unloader during operation are ensured; the power output end of the power structure can apply upward or downward power to the balancing weight. When the material taking device takes materials, the power output end of the power structure applies upward power to the balancing weight, and the difference between the gravity of the material taking device and the gravity of the balancing weight and the power output by the power output end are the grounding force when the material taking device contacts with bulk materials. When the gravity of the balancing weight is equal to that of the material taking device, the difference between the gravity of the material taking device and that of the balancing weight is zero, the power structure applies upward power to the balancing weight, provides corresponding grounding force for the material taking device, and ensures the contact area and the grounding force of a chain bucket of the material taking device; the power structure can also quickly react when the ship unloader encounters surge, the grounding force of the material taking device can be quickly adjusted, and the material taking device can be effectively protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the portal bucket ship unloader of the present invention;

FIG. 2 is a schematic view of the structure of the reclaimer device of the present invention;

FIG. 3 is a schematic view of the structure of the take-off device shown in FIG. 2 in the A-direction;

FIG. 4 is a schematic view of the structure of the reclaimer device shown in FIG. 2 in the direction C;

FIG. 5 is a schematic view of the movement of the second pick-up section and the pick-up head assembly relative to the carrier section and the pick-up frame of the pick-up device of FIG. 2;

FIG. 6 is a schematic view of a first flexible lifting assembly of the reclaimer device shown in FIG. 2;

FIG. 7 is a schematic view of a second flexible lifting assembly of the reclaimer device shown in FIG. 2;

FIG. 8 is a schematic view of the structure of section D-D of the reclaimer device shown in FIG. 2;

FIG. 9 is a schematic view of the structure of the take-off device of FIG. 2 in section E-E;

FIG. 10 is a schematic view of the structure of the section F-F of the take off shown in FIG. 2;

FIG. 11 is a schematic view of the push-pull purge device in a first deployed state;

FIG. 12 is a schematic view of the push-pull purge device in a first stowed condition;

FIG. 13 is a schematic view of the push-pull purge device in a second deployed state;

FIG. 14 is a top view of the push-pull purge device in a second deployed state;

FIG. 15 is a side view of the push-pull clearance device in a second deployed state;

FIG. 16 is a schematic view of the push-pull purge device in a second stowed condition;

FIG. 17 is a schematic front view of the cart system of the present invention;

FIG. 18 is an enlarged view of a portion of the junction of the truck system and the boom of the present invention;

FIG. 19 is a schematic side view of the cart system of the present invention;

FIG. 20 is a schematic view of the structure of the wheel frame and wheel portion of the present invention;

FIG. 21 is a schematic view of the structure of the cart traction device of the present invention;

FIG. 22 is a schematic diagram of a driving apparatus according to the present invention;

FIG. 23 is a schematic view of the conveyor system of the present invention in a lowered position;

FIG. 24 is a schematic view of the structure of the conveyor system of the present invention in the upper position;

FIG. 25 is a side view of the receiving conveyor unit and stationary conveyor section of the present invention in place;

FIG. 26 is a schematic view of the structure of the cover assembly of the present invention;

FIG. 27 is a schematic view of a first hopper and funnel skirt of the present invention;

FIG. 28 is a schematic view of the belt tensioner of the present invention;

FIG. 29 is a schematic view of the structure of the transfer system of the present invention in a portal bucket ship unloader;

FIG. 30 is a schematic view of the adjustable counterweight apparatus of the present invention in a portal chain bucket ship unloader;

fig. 31 is a schematic view showing a connection mode of the counterweight connection rope of the invention.

Reference numerals illustrate:

2. A cabin; 4. a dock foundation; 10. a portal body; 11. door legs; 20. a main beam; 21. a rotating arm support;

100. a material taking device; 101. a material taking head; 1011. a hopper body; 1012. a hopper chain; 1013. a hopper drive; 1014. a driving wheel; 1016. adjusting the slideway; 1017. a hopper auxiliary adjusting wheel; 1018. a first material taking part; 1019. a second material taking part; 102. a housing; 103. a material taking frame; 104. a first lifting driving member; 105. a first flexible member; 106. the first redirecting pulley block; 107. the second redirecting pulley block; 108. a third redirecting pulley block; 109. a fourth redirecting pulley block; 110. a second lifting driving member; 111. a second flexible member; 112. fifth redirecting pulley block; 113. a sixth redirecting pulley block; 114. seventh redirecting pulley block; 115. eighth redirecting pulley blocks; 116. a first guide; 117. a second guide; 118. a ninth redirecting pulley block;

200. A cabin cleaning device; 201. a mounting frame; 202. a spiral sheet; 203. a cabin cleaning driving motor; 204. a support assembly; 205. a support wheel; 206. pushing and pushing the cabin cleaning device; 207. pushing and pulling the piece; 208. an extension rod; 209. pushing and pulling up the lifting structure; 2091. pushing up the lifting scroll; 2092. pushing and pulling the connecting rope; 210. a first lifting structure; 211. a second lifting structure; 2111. lifting the scroll; 2112. a cabin cleaning connecting rope; 212. fixing a hinge point; 213. a movable hinge point;

30. the trolley is operated; 301. a frame; 320. wheel frame; 321. a first connection portion; 322. a second connecting portion; 323. an elastic member; 324. a first hinge point; 325. a second hinge point; 331. a walking wheel; 332. a horizontal wheel; 333. a counter roller; 341. a first track; 342. a second track;

400. A receiving and conveying unit; 4001. a first hopper; 401. a funnel assembly; 4011. a second hopper; 402. fixing the conveying section; 403. a movable conveying section; 404. a gallery assembly; 4041. fixing the closing section; 4042. a movable closing section; 4043. a first bending section; 4044. a funnel closing section; 4045. a second bending section; 405. a cover assembly; 4051. a first cover pad; 4052. a second cover pad; 4053. a funnel skirt; 406. a press roller; 407. a fixed segment idler assembly; 408. a movable section carrier roller assembly; 409. a plurality of groups of suspension carrier rollers; 410. a belt; 411. a belt tensioner; 4111. tensioning an oil cylinder; 4112. a carriage; 4113. a roller; 412. a belt drive; 413. an underspeed switch;

500. A trolley traction device; 501. a traction rope; 510. a driving device; 511. a driving section; 512. a rotating part; 513. a speed reducer; 521. a rotating lever; 522. a first tensioning wheel; 523. a second tensioning wheel; 524. a tension driving part; 525. a hinge point; 526. rotating the hinge point; 531. a first fixed pulley block; 532. the second fixed pulley block; 533. a first bend wheel; 534. a second bend wheel;

700. An adjustable weight device; 701. a power structure; 702. balancing weight; 703. a pulley structure; 70103. a first guide wheel; 7032. a second guide wheel; 7033. a third guide wheel; 704. the counterweight is connected with the rope; 705. a winding structure; 706. a winding driving structure; 707. a connection structure;

800. A shore conveyor; 801. a closure assembly.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Examples

Referring to fig. 1 to 31, the portal chain bucket ship unloader provided in this embodiment includes:

A portal body 10 adapted to move in a ship's length direction relative to the quay base 4;

a main beam 20 extending to the sea side at least partially and located at a position relatively above the cabin 2, the main beam 20 being movably connected to the mast body 10 and adapted to be lifted up and down with respect to the mast body 10;

the material taking device 100 is suitable for taking materials; the material taking device 100 comprises a material taking frame 103 and a material taking head 101, wherein the material taking head 101 is movably arranged on the material taking frame 103, the material taking head 101 comprises a first material taking part 1018 and a second material taking part 1019, the second material taking part 1019 is arranged on the lower side of the first material taking part 1018, the first material taking part 1018 can be lifted relative to the material taking frame 103, and the second material taking part 1019 can be lifted relative to the first material taking part 1018;

The running trolley 30 is movably arranged on the main beam 20 along the ship width direction, and the material taking device 100 is arranged on the running trolley 30 and is suitable for being driven by the running trolley 30 to move along the ship width direction;

A pushing and cleaning device 206 disposed at a side portion of the material taking device 100 along a ship width direction, wherein the pushing and cleaning device 206 is adapted to move along with the material taking device 100 to push and clean materials;

A hold cleaner 200 disposed on a side of the material taking device 100 along a ship length direction, the hold cleaner 200 being disposed adjacent to the push-pull hold cleaner 206, the hold cleaner 200 being adapted to gather materials in a direction approaching the material taking device 100 in a stationary and/or moving state of the travelling car 30;

The conveying system is arranged on the portal frame main body 10 and the main beam 20, one end of the conveying system is correspondingly arranged with the discharging opening of the material taking device 100, the other end of the conveying system is communicated with the shore conveyor 800 fixedly arranged on the wharf foundation 4, and at least part of the area of the conveying system is suitable for lifting along the height direction along with the main beam 20.

Specifically, the portal bucket chain ship unloader includes: a mast body 10, said mast body 10 having a mast 11, said mast 11 being connected to the quay foundation 4. The portal main body 10 further comprises a main beam 20, the main beam 20 comprises a rotating arm support 21 extending out of the portal leg 11, the rotating arm support 21 is suitable for pitching, the running trolley 30 moves along a track on the rotating arm support 21 under the traction of the trolley traction device, the running trolley 30 is connected with the material taking device 100, the running trolley 30 drives the material taking device 100 to move along the track on the rotating arm support 21, so that the material taking device 100 moves back and forth in the ship width direction, and materials in the ship cabin 2 are unloaded. Wherein, the upper part refers to the upper part indicated by an arrow in fig. 1; the ship width direction refers to a ship width direction indicated by an arrow in fig. 1; the long direction refers to a direction perpendicular to the width direction in fig. 1, i.e., a direction perpendicular to the paper surface.

The rotating arm support 21 can rotate to retract the part, extending out of the door leg 11, of the main beam 20, the main beam 20 further comprises a stopping section, the stopping section is arranged in parallel with the rotating arm support 21, and the rotating arm support 21 is convenient to rotate by moving the running trolley 30 to the stopping section of the main beam 20, and the stopping section is provided with a track communicated with the rotating arm support 21.

The portal chain bucket ship unloader provided by the invention is suitable for moving relative to a wharf foundation 4 along the ship length direction by arranging the portal main body 10; the main beam 20 is adapted to be lifted up and down with respect to the door frame body 10; the first material taking portion 1018 of the material taking device 100 may be lifted relative to the material taking frame 103, and the second material taking portion 1019 may be lifted relative to the first material taking portion 1018; and the running trolley 30 is suitable for driving the material taking device 100 to move along the width direction of the ship; and the pushing and raking cabin cleaning device 206 and the cabin cleaning device 200 are arranged to gather materials in a direction approaching to the material taking device 100; therefore, all parts of the portal chain bucket ship unloader can cooperatively move, independent movement of all parts is realized, ship unloading efficiency of the portal chain bucket ship unloader is greatly improved, and only the corresponding mobile unit is moved without adjusting the whole ship unloader when only small-range movement is needed, so that operation energy consumption is reduced, convenience and rapidness are realized, and flexibility is improved.

Because the chain bucket head of the traditional chain bucket ship unloader is rigidly connected with the main structure, when the ship body is fluctuated, the rigidly connected chain bucket material taking head can transfer force to the main structure, damage is generated to the main structure, and the reliability is insufficient. The portal chain bucket ship unloader provided by the embodiment is provided with the three-dimensional wave avoiding system, and the surge force is not transmitted to the main structure, so that the damage to the main structure is avoided.

In addition, the feeding mode of the portal chain bucket ship unloader provided by the embodiment adopts a chain bucket linear feeding mode, so that the traditional chain bucket ship unloader is prevented from feeding by means of swing of a chain bucket arm, and feeding efficiency is improved.

The portal chain bucket ship unloader that this embodiment provided, including operation dolly 30, operation dolly 30 includes: the vehicle comprises a vehicle frame 301 and a vehicle wheel frame 320, wherein the vehicle wheel frame 320 comprises a first connecting portion 321 and a second connecting portion 322, the first connecting portion 321 and the second connecting portion 322 are symmetrically arranged and are rotationally connected with the vehicle frame 301, the first connecting portion 321 and the second connecting portion 322 are connected through an elastic piece 323, travelling wheels 331 are arranged at the lower ends of the first connecting portion 321 and the second connecting portion 322, and the travelling wheels 331 are suitable for rolling along a first track 341 so as to drive the vehicle frame 301 to run along the first track 341. It should be noted that, the lower end refers to an end along the direction of the arrow "lower" in fig. 17; the first track 341 is a running track of the running trolley 30.

Optionally, the elastic member 323 is an elastic body such as a spring or a rubber spring, and the spring or the rubber has good elastic force and is low in price.

The portal chain bucket ship unloader provided by this embodiment, through setting up the first connecting portion 321 and the second connecting portion 322 of the wheel frame 320 and rotationally connecting with the frame 301, and setting up the elastic component 323 and connecting first connecting portion 321 with the second connecting portion 322, realize when the walking wheel 331 of travelling car 30 produces the beat because of receiving external force, first connecting portion 321 or second connecting portion 322 can turn into the ascending trend of motion of walking wheel 331 around the rotation of frame 301, and set up in first connecting portion 321 with the elastic component 323 between the second connecting portion 322 has the cushioning effect, can further reduce first connecting portion 321 or second connecting portion 322 is around the amplitude of frame 301 rotation to reduce the amplitude of beating of walking wheel 331, realize the cushioning effect to travelling car 30, prevent travelling car 30 breaks away from the track, thereby alleviate travelling wheel 331 with the collision of first track 341, in addition, elastic component 323 can still avoid first connecting portion 321 with the rigidity is connected and the life-span of the device is prolonged because of the rigidity is used.

It should be noted that, compared with a rigid connection structure, the two travelling wheels 331 on the wheel frame 320 of the present embodiment are indirectly connected through the elastic member 323, and in the process of deflecting, the elastic member 323 can absorb the overturning moment, so as to avoid the wheel on the stress side from lifting, separating from the track, and reduce the collision between the wheel and the track.

Specifically, the elastic member 323 is disposed at an upper end of the wheel frame 320, the first connecting portion 321 and the second connecting portion 322 are respectively hinged to the frame 301, and a hinge point is located below the elastic member 323. The first connecting portion 321 is hinged to the frame 301 through the first hinge point 324, and the second connecting portion 322 is hinged to the frame 301 through the second hinge point 325.

The portal chain bucket ship unloader provided by the embodiment, the elastic piece 323 is arranged to connect the upper ends of the first connecting portion 321 and the second connecting portion 322, and the hinge points of the first connecting portion 321, the second connecting portion 322 and the frame 301 are located below the elastic piece 323 relatively, so that when one of the first connecting portion 321 or the second connecting portion 322 rotates upwards around the hinge point, the other one can be pressed downwards through the elastic piece 323 at the upper end, the jumping amplitude of wheels is reduced, and the stability of the running trolley 30 is improved.

It should be noted that, the material taking device 100 of the novel chain bucket ship unloader adopts a two-stage telescopic structure, structurally is divided into a lower material taking head and an upper material taking head, both parts are pulled by a steel wire rope, the lower material taking head naturally sags by means of self gravity during operation, the lower material taking head can slide along the track of the upper material taking head, the upper material taking head can move up and down along the lifting support, the lower material taking head can automatically retract upwards under the action of ship bottom contact force, the material taking device is prevented from being damaged, material taking operation can be carried out uninterruptedly, the working efficiency is high, but vibration can be inevitably generated in the upward retraction process of the lower material taking head, the vibration can be transmitted to the operation trolley 30 connected with the material taking device 100 to influence the operation stability of the trolley, and the elastic piece 323 on the wheel frame 320 provided by the embodiment can effectively avoid the transmission of vibration, thereby ensuring the stability of the operation.

Specifically, the number of the wheel frames 320 is at least two, and at least two wheel frames 320 are symmetrically disposed on both sides of the frame 301 in the width direction. It should be noted that, a track is respectively provided along two sides of the width direction of the frame 301, and at least two sets of the wheel frames 320 symmetrically provided are respectively along with the tracks on two sides of the frame 301, so as to ensure the stability of the frame 301. Wherein the width direction refers to the "width direction" indicated by the arrow in fig. 17.

Preferably, the number of the wheel carriers 320 is four, and two sets of wheel carriers 320 are respectively disposed on two sides of the frame 301 in the width direction, so as to further increase the structural stability.

Specifically, the traveling wheel 331 is in contact with an upper surface of the first track 341, and the traveling carriage 30 further includes: a horizontal wheel 332, said horizontal wheel 332 being in rolling contact with the side of said first track 341, said horizontal wheel 332 being adapted to rotate about a vertical axis. It should be noted that, the upper surface refers to a surface along the direction of the arrow "upper" in fig. 17; the side surface refers to a surface adjacent to the upper surface and parallel to the extending direction of the first track 341; the vertical direction refers to the "vertical direction" indicated by the arrow in fig. 17.

According to the portal chain bucket ship unloader, the horizontal wheels 332 are in rolling contact with the side surfaces of the first tracks 341, the horizontal wheels 332 are matched with the traveling wheels 331, the two adjacent surfaces of the first tracks 341 are acted together, the running stability of the running trolley 30 along the first tracks 341 is improved, meanwhile, under the action of the traveling wheels 331 and the horizontal wheels 332 on the wheel frames 320 symmetrically arranged on two sides of the width direction of the frame 301, the running trolley 30 is effectively prevented from derailing, the working reliability of the running trolley 30 is guaranteed, and the working efficiency is improved.

Specifically, the running trolley 30 further includes: the counter roller 333 is disposed opposite to the travelling wheel 331 along a vertical direction, and is adapted to contact with a lower surface of a second rail 342, wherein the second rail 342 is parallel to the first rail 341 and is located below the first rail 341. The first rail 341 and the second rail 342 are correspondingly disposed, when the trolley system is applied to a ship unloader or the like, the first rail 341 and the second rail 342 may be rails disposed along an extending direction of a rotating arm support 21 of the ship unloader, so that the running trolley 30 runs along the rotating arm support 21, where the extending direction of the rotating arm support 21 is a running direction of the running trolley 30, and the running direction refers to a "running direction" indicated by an arrow in fig. 19.

It should be noted that, when the trolley system is applied to a ship unloader or other equipment, the running trolley 30 is connected with the material taking device 100, the acting force of the sea wave acts on the material taking device 100 through the cabin 2 and is transferred to the running trolley 30, so that the trolley is caused to shake, the running trolley 30 may be driven to overturn, the running stability of the running trolley 30 is affected, and the trolley system provided in this embodiment is provided, by arranging the counter roller 333 in contact with the lower surface of the second rail 342, the counter roller 333 drives the frame 301 to run along the second rail 342, so that the running stability of the running trolley 30 in the running direction is further ensured, and the counter roller 333, the running wheel 331 and the horizontal wheel 332 act together, so that the stress of the running trolley 30 is more stable, and the trolley system is ensured not to overturn.

Specifically, the running trolley 30 further includes: a trolley traction device 500, said trolley traction device 500 being connected to said frame 301 and adapted to pull said travelling trolley 30 to move in a travelling direction.

Specifically, the cart traction device 500 includes: a pulley assembly; a traction rope 501 connected to both sides of the traveling carriage 30 in the traveling direction by bypassing the pulley assembly, and adapted to provide traction to the traveling carriage 30; the driving device 510 includes a driving portion 511 and a rotating portion 512, the driving portion 511 drives the rotating portion 512 to rotate, the traction rope 501 is wound around the rotating portion 512, the traction rope 501 has a tensioned state in which the rotating portion 512 is pressed and a relaxed state in which the rotating portion 512 is released, and the rotating portion 512 is adapted to drive the traction rope 501 to move when the traction rope 501 is in the tensioned state; a tensioning device in abutment with the traction rope 501, the tensioning device being adapted to adjust the traction rope 501 to switch between the tensioned state and the relaxed state.

The running trolley moves along the running direction, and two sides of the running trolley 30 along the running direction refer to two sides of two ends of the running trolley 30 facing the running direction; the traction rope 501 is wound on the rotating portion 512, when the traction rope 501 is in the tensioning state, the traction rope 501 tightens and compresses the rotating portion 512, an interaction force exists between the rotating portion 512 and the traction rope 501, the rotating portion 512 drives the traction rope 501 to move, traction of the running trolley 30 is achieved, and when the traction rope 501 is in the loosening state, no interaction force exists between the traction rope 501 and the rotating portion 512, and the rotating portion 512 cannot drive the traction rope 501 to move.

It should be noted that, when the running trolley 30 is blocked during running, and the running trolley 30 cannot continue to move, if the traction rope 501 still has traction force on the running trolley 30, the traction rope 501 may break due to long-time stretching, and has a certain danger, so that the traction force of the traction rope 501 on the running trolley 30 needs to be removed when the running trolley 30 stops running, in the prior art, the existence of the traction force in the traction rope 501 is controlled by starting and stopping the motor of the driving device, but the frequent starting and stopping of the motor causes poor traction stability, and the service life of the motor is seriously affected. Wherein, the operation trolley 30 can be the trolley on the ship unloader, be connected with extracting device 100 on the operation trolley 30, the hindrance that runs into of operation trolley 30 can be the extracting device 100 runs into the material of the difficult excavation of material etc. that the in-process of digging was met.

The dolly draw gear that this embodiment provided, through setting up haulage rope 501 have to compress tightly the tensioning state of rotating part 512 and loosen the relaxation state of rotating part 512 sets up drive part 511 drive rotating part 512 rotates, haulage rope 501 is in by rotating part 512 drives when tensioning state and rotates, and sets up overspeed device adjusts haulage rope 501 switches between tensioning state with relaxation state, when overspeed device adjusts haulage rope 501 reaches when tensioning state, rotating part 512 drives haulage rope 501 removes, and then pulls haulage rope 501 moves, and when overspeed device adjusts haulage rope 501 reaches when relaxation state, rotating part 512 can not drive haulage rope 501 removes, and then can not be for haulage rope 30 provides the traction force, thereby realize through overspeed device adjusts whether rope 501 provides the traction force to haulage car 30, in this process, only need through overspeed device adjusts the elasticity state of haulage rope 501 can realize haulage rope 501 moves, and then pulls the extension rope with the surge device, thereby can not have the surge effect to be expected to the surge device, can avoid the surge device to be carried out in the surge tank, thereby the surge device is convenient for the extension, and the cab is realized, and the surge device is easy to be prevented from running up to the surge device has the surge device, and the safety has the surge device is easy to be used to the cab.

Preferably, the driving part 511 is a driving motor, a speed reducer 513 is disposed between the driving motor and the rotating part 512, the rotating part 512 is mounted on a fixed support, the driving motor is connected to the rotating part 512 through the speed reducer 513, so that the rotation speed of the rotating part 512 can be adjusted, and the driving motor and the speed reducer 513 are widely used, high in reliability and flexible in operation.

Preferably, the traction rope 501 is a steel wire rope, and the steel wire rope has a firm, stable and reliable structure.

Specifically, the tensioning device includes: the rotating rod 521 is rotatably disposed on the outer structure, two ends of the rotating rod 521 are disposed up and down and respectively contact with the traction rope 501, and the rotating rod 521 adjusts the tightness of the traction rope 501 by rotating relative to the outer structure. When the trolley traction device is a trolley traction device of the ship unloader, the running trolley 30 runs along a track on the rotating arm support 21 of the ship unloader, and the external structure is a structure on the rotating arm support 21.

According to the trolley traction device provided by the embodiment, the upper end and the lower end of the rotating rod 521 are respectively abutted against the traction rope 501, so that the two ends of the rotating rod 521 are supported by the traction rope 501, the degree of tightening of the rotating rod 521 on the traction rope 501 can be adjusted by rotating the rotating rod 521 relative to an external structure, and therefore the tightness degree of the traction rope 501 can be adjusted, and the trolley traction device is simple in structure and convenient to operate.

Specifically, a first tensioning wheel 522 and a second tensioning wheel 523 are respectively disposed at two ends of the rotating rod 521, the first tensioning wheel 522 is located above the second tensioning wheel 523, and the traction rope 501 is wound around the first tensioning wheel 522 and the second tensioning wheel 523. The traction rope 501 is located in the sliding grooves of the first tensioning wheel 522 and the second tensioning wheel 523, friction force is small, the traction rope 501 can be prevented from falling off, and stability of the structure is improved.

Specifically, the tensioning device further comprises: and a tension driving part 524, wherein the tension driving part 524 is connected with the rotating rod 521 and is suitable for driving the rotating rod 521 to rotate. The rotation rod 521 is driven to rotate by the tension driving part 524, so that the operation is convenient and the automation degree is high.

Preferably, the tensioning driving portion 524 is a telescopic mechanism, and as an implementation manner, the tensioning driving portion 524 is a hydraulic cylinder, the rotating rod 521 is driven to rotate in different directions by extending or retracting a telescopic rod of the hydraulic cylinder, and a telescopic oil cylinder is relatively common, and has a reliable structure and simple operation; it will be appreciated that, as an alternative embodiment, the tension driving portion 524 may be an electric push rod, and the rotation rod 521 is driven to rotate in different directions by the extension and contraction of the electric push rod, so that the electric push rod is flexible to operate and low in cost.

Specifically, the trolley traction device further includes: and the detection device is arranged corresponding to the running trolley 30, is suitable for detecting the start and stop of the running trolley 30, and controls the tensioning driving part 524 to act when the running trolley 30 is detected to stop so as to switch the traction rope 501 to the loosening state. When the travelling car 30 is stopped, in order to avoid the traction rope 501 being in an excessively stretched state for a long time, the traction rope 501 needs to be switched to the relaxed state to ensure that the traction rope 501 does not move along with the rotation of the rotating portion 512, thereby removing the traction force in the traction rope 501.

According to the trolley traction device, the detection device is arranged to detect the start and stop of the running trolley 30, and the tensioning driving part 524 is controlled to act when the running trolley 30 is detected to stop, so that the traction rope 501 is further ensured to be switched to the loosening state in time, the degree of automation is improved, and the traction rope 501 is protected from being broken.

Preferably, the detection device is a displacement sensor, and the position of the running trolley 30 is detected by the position sensor, so that whether the running trolley 30 is stopped or not is judged, and the displacement sensor is widely applied and has high reliability.

Specifically, the pulley assembly includes: the first fixed pulley block 531 and the second fixed pulley block 532 are respectively disposed at two ends of the running direction of the running trolley 30, and are adapted to fix the position of the traction rope 501 and change the direction of the traction rope 501. The first fixed pulley block 531 and the second fixed pulley block 532 may be fixed on the fixed structures such as the rotating arm frame 21 or the main beam 20; the first fixed pulley block 531 and the second fixed pulley block 532 are disposed at opposite ends of the running direction of the running trolley 30, and the running trolley 30 moves back and forth between the first fixed pulley block 531 and the second fixed pulley block 532 under the traction of the traction rope 501.

Preferably, the first fixed pulley block 531 includes two adjacent fixed pulleys, and the second fixed pulley block 532 includes two fixed pulleys disposed at intervals to support the traction rope 501 and redirect the traction rope 501.

Specifically, the pulley assembly further comprises:

A first redirecting wheel 533 disposed between the first tensioning wheel 522 and the second fixed pulley block 532, and the traction rope 501 sequentially bypasses the first fixed pulley block 531, the first redirecting wheel 533, the first tensioning wheel 522 and the second fixed pulley block 532 and then winds around the rotating portion 512;

The second redirecting wheel 534 is disposed on a side of the second tensioning wheel 523 away from the driving device 510, and the traction rope 501 sequentially bypasses the rotating portion 512, the second redirecting wheel 534, and the second tensioning wheel 523 and is connected with the travelling trolley 30.

It should be noted that, in the trolley traction device provided in this embodiment, the traction rope 501 is a steel wire rope, one end of the traction rope 501 is connected to the frame at the side of the running direction of the running trolley 30, and sequentially bypasses the first fixed pulley block 531, the first redirecting wheel 533, the first tensioning wheel 522, the second fixed pulley block 532, the rotating portion 512, the second redirecting wheel 534, and the second tensioning wheel 523, and then is connected to the frame at the other side of the running direction of the running trolley 30, so as to pull the running trolley 30 to run along the running direction. During the operation of the operation trolley 30, the traction rope 501 located in the advancing direction thereof is subjected to a pulling force.

Specifically, the rotation rod 521 is rotatably connected to the external structure through a hinge point 525, and the tension driving part 524 drives the rotation rod 521 to rotate around the hinge point 525 in a first rotation direction so as to loosen the traction rope 501; or the tension driving part 524 drives the rotation rod 521 to rotate around the hinge point 525 in the second rotation direction to tension the traction rope 501.

It should be noted that, the tension driving portion 524 is rotatably connected to a rotation hinge point 526 on the rotation rod 521, alternatively, the rotation hinge point 526 is disposed below the hinge point 525, and when the telescopic rod of the tension driving portion 524 extends, the rotation rod 521 is driven to rotate clockwise around the hinge point 525, and the traction rope 501 is loosened and switched to the loosened state; and when the telescopic rod of the tension driving part 524 is retracted, the rotating rod 521 is driven to rotate counterclockwise around the hinge point 525, and the traction rope 501 is tensioned to switch to the tensioned state. It will be appreciated that, as an alternative embodiment, the rotation hinge point 526 may be disposed above the hinge point 525, and when the telescopic rod of the tension driving portion 524 is retracted, the rotation rod 521 is driven to rotate clockwise around the hinge point 525, and the traction rope 501 is released and is switched to the loose state; when the telescopic rod of the tension driving part 524 is extended, the rotating rod 521 is driven to rotate counterclockwise around the hinge point 525, and the traction rope 501 is tensioned to switch to the tensioned state. The first rotation direction is clockwise, and the second rotation direction is anticlockwise; when the trolley traction device is applied to the ship unloader, the external structure is a rotating arm support 21 of the ship unloader.

Specifically, the rotating part 512 selectively rotates clockwise or counterclockwise to provide traction in different directions to the running carriage 30 through the traction rope 501. Through setting up rotation portion 512 both can rotate clockwise and can anticlockwise rotate, realize just through changing rotation portion 512's rotation direction can change haulage rope 501 is right the direction of traction of travelling car 30 to realize changing travelling direction of travelling car 30, simple structure, convenient operation and work efficiency are high.

Specifically, the rotating portion 512 is a friction cylinder adapted to provide friction to the traction rope 501 when the traction rope 501 is in a tensioned state. The friction cylinder is made of special materials, the steel wire rope is wound on the friction cylinder, when the steel wire rope is in a tensioning body, the friction cylinder is subjected to the pressure of the steel wire rope, and friction force can be generated between the friction cylinder and the steel wire rope, so that the steel wire rope is driven to move through the rotation of the friction cylinder; when the steel wire rope is in a loose state, the pressure of the steel wire rope to the friction cylinder is 0, and friction force is not generated between the friction cylinder and the steel wire rope, so that the friction cylinder idles, and the steel wire rope does not move. The friction cylinder plays a role of winding the steel wire rope and does not wind and unwind the steel wire rope.

Taking the application of the trolley traction device on the ship unloader as an example, the working process of the trolley traction device is described:

Under normal working conditions, the running trolley 30 drives the material taking device 100 to move back and forth in the ship width direction to perform material taking operation, when the advancing direction of the running trolley 30 is blocked to stop moving, the detection device senses that the movement of the running trolley 30 stops, and further controls the tensioning device to act, the tensioning degree of the traction rope 501 is adjusted, so that the traction rope 501 is switched to a loose state, friction force is not generated between the traction rope 501 and the rotating part 512, the rotating part 512 idles, and traction force is not generated on the traction rope 501, so that traction movement of the running trolley 30 cannot be performed; when the tensioning device returns to the normal working posture, the traction rope 501 is tensioned, and the rotating part 512 drives the traction rope 501 to move by virtue of friction force between the rotating part and the traction rope 501, so that the running trolley 30 is pulled to move. The process of restoring the normal working posture of the tensioning device can be controlled manually, or a second detecting device for detecting whether the obstruction received by the running trolley 30 is cleared or not can be provided, and when the second detecting device detects that the obstruction is cleared, the tensioning device is controlled to restore the normal working posture so as to re-tension the traction rope 501.

In the prior art, the chain bucket ship unloader is large in the working process, materials can only be excavated under the hatch, and the materials can not be unloaded at some corner positions below the hatch coaming of the cargo ship, so that the materials can not be completely cleaned, and an additional cabin cleaning process is needed for cleaning after the chain bucket ship unloader is used for unloading, so that the cabin cleaning amount is large, and time and labor are wasted. For this reason, portal chain bucket ship unloader that this embodiment provided includes: a material taking device 100, a pushing and cleaning device 206, a pushing and lifting structure 209 and the like.

The material extraction device 100 is adapted to extract material.

The pushing and cleaning device 206 is disposed on the side of the material taking device 100 along the moving direction of the material taking device 100.

Specifically, the pushing and cleaning device 206 is disposed along the movement direction of the material taking device 100, when the material taking device 100 moves transversely to take materials by using the chain bucket, the pushing and cleaning device 206 moves synchronously with the material taking device 100 and stretches into some corner positions below the hatch coaming of the cargo ship to discharge materials, so that the materials at the corner positions are cleaned in the synchronous movement process.

The push-pull purge device 206 includes: a rod assembly and a push-pull 207.

One end of the rod body assembly is rotationally connected with the side part of the material taking device 100, and the other end of the rod body assembly extends in a direction away from the material taking device 100.

The pushing and pulling piece 207 is arranged on one side of the extending rod body component, and the pushing and pulling piece 207 is at least partially arranged in a downward extending mode.

Specifically, the rod assembly is used as an extension part to extend into some corner positions below the hatch coaming of the cargo ship, and the pushing and cleaning device 206 is used to push out materials at some corner positions in the synchronous movement process of the whole pushing and cleaning device 100 by using the downward extending part of the pushing and cleaning piece 207, so that the purpose of unloading materials is achieved.

The pushing and lifting structure 209 is arranged between the material taking device 100 and the pushing and cleaning cabin device 206, the fixed end of the pushing and lifting structure 209 is connected with the material taking device 100, the movable end of the pushing and lifting structure 209 is rotatably connected with one side, far away from the material taking device 100, of the pushing and cleaning cabin device 206, and the movable end of the pushing and lifting structure 209 is suitable for telescopic movement relative to the fixed end of the pushing and lifting structure 209, so that the pushing and cleaning cabin device 206 is driven to be in a first unfolding state far away from the material taking device 100 or in a first folding state folding towards the direction of the material taking device 100.

Specifically, as the positions of the materials below the hatch coaming of the cargo ship are different, the pushing and cleaning device 206 is driven to rotate to a proper height by the pushing and cleaning lifting structure 209, so that the materials at different positions are lifted out in the synchronous movement process of the whole pushing and cleaning device 206 along with the material taking device 100, and the integrity of the discharged materials is ensured. Thereby overcoming the defect that the material taking device 100 in the prior art cannot extend into some corner positions below the hatch coaming of the cargo ship to take out the material, so that the material cannot be completely cleaned.

Further, the relative position of the pushing and cleaning device 206 and the material taking device 100 is adjusted by using the telescopic action of the pushing and cleaning lifting structure 209, so that the pushing and cleaning device 206 is away from the bottom material taking position of the material taking device 100 without working, the height drop between the bottom position of the pushing and cleaning device 206 and the bottom material taking position of the material taking device 100 is increased, and the pushing and cleaning device 206 is prevented from contacting part of the material on the side surface of the material taking device 100 to push away the material when the material taking device 100 normally operates, so that the material taking device 100 can take materials normally.

Further, the specific structural form of the push-pull lifting structure 209 is not limited, and the push-pull lifting structure 209 can be a telescopic cylinder, a reel steel cable, etc.

The material taking device 100 in this embodiment includes: the material taking head 101, a first flexible lifting assembly and a second flexible lifting assembly.

Specifically, the lower end of the running trolley 30 is provided with wheels which can be matched with the rails of the external structure to move along the length direction of the running trolley, and in the embodiment, the middle part of the running trolley 30 is provided with an opening which can accommodate part of the material taking head 101 to pass through.

The material taking head 101 is arranged on the running trolley and is suitable for moving along the height direction, and comprises a first material taking part 1018 and a second material taking part 1019, wherein the second material taking part 1019 is arranged on the lower side of the first material taking part 1018, and the top end of the second material taking part 1019 is nested and arranged on the inner side of the first material taking part 1018. Specifically, inside the second material taking portion 1019 and the first material taking portion 1018, a plurality of hopper bodies 1011, hopper drives 1013, and hopper chains 1012 are provided.

The hopper driving parts 1013 are arranged on the upper side of the whole structure of the material taking head 101, specifically, the driving motor, in this embodiment, the hopper driving parts 1013 are provided with four groups, which are arranged in a square manner, wherein the inner sides of the hopper driving parts 1013 are provided with driving wheels 1014, and the hopper driving parts 1013 can rotate under the action of the four hopper driving parts 1013, so that the driving power of the driving wheels 1014 is effectively increased.

The hopper chain 1012 is irregularly annular in height direction, is engaged with the driving wheel 1014, and can be rotated in height direction by the driving motor.

The hopper body 1011 is in the shape of a bucket, one side connected with the hopper chain 1012 is a flat end, the other end is a shovel end, the shovel end is arranged in an inclined manner, and in the embodiment, the shovel end is arranged in an inclined cambered surface. In the rotation process of the hopper chain 1012, along the rotation direction, the opening of the hopper main body 1011 on one side of the hopper chain 1012 moving downwards is turned downwards, and the lower end of the whole structure of the material taking head 101 is turned into horizontal movement, so that the material below is excavated, while the hopper main body 1011 is turned to one side moving upwards along the hopper chain 1012, and the opening of the hopper main body 1011 is turned upwards, so that the material is extracted.

Furthermore, the material taking head 101 further includes: an adjustment slide 1016, a hopper auxiliary drive and a hopper auxiliary adjustment wheel 1017.

The adjusting slide 1016 extends towards the inside of the annular structure formed by the hopper chain 1012, in this embodiment, the adjusting slide 1016 is arranged along the vertical direction, the auxiliary driving member of the hopper is specifically a driving motor matched with a gear structure, a wheel shaft for driving the auxiliary adjusting wheel 1017 of the hopper is arranged on the adjusting slide 1016 and movably connected with the adjusting slide 1016, the outer edge of the adjusting slide is meshed with the hopper chain 1012, and the adjusting slide 1016 can move along the adjusting slide 1016 under the action of the auxiliary driving member of the hopper and is suitable for tightening or loosening the hopper chain 1012.

By arranging the adjusting slide 1016 and the auxiliary hopper adjusting wheel 1017, since the adjusting slide 1016 extends towards the inside of the annular structure formed by the hopper chain 1012, the auxiliary hopper adjusting wheel 1017 on the adjusting slide is arranged in the annular structure formed by the hopper chain 1012, the hopper chain 1012 can be tensioned when moving outwards along the adjusting slide 1016, so that the first material taking part 1018 and the second material taking part 1019 are prevented from loosening in the process of moving towards the outside, the hopper chain 1012 can be relaxed when the adjusting slide 1016 moves inwards, the stability of the hopper chain 1012 when the first material taking part 1018 and the second material taking part 1019 move backwards is ensured, and further, the auxiliary hopper adjusting wheel 1017 is arranged outside the annular structure formed by the hopper chain 1012, and the same is ensured.

Further, the hopper chain 1012 is in the middle part and is bent, the hopper auxiliary adjusting wheel 1017 is arranged in the second material taking part 1019, and besides the annular structure formed by the hopper chain 1012, the auxiliary wheel on the second material taking part 1019 is fixedly arranged in the embodiment to be matched, the auxiliary wheel is adjacent to the hopper auxiliary adjusting wheel 1017 and is arranged in the hopper chain 1012, so that the operation of the hopper chain 1012 along the vertical direction is prevented from being interfered by the movement of the hopper auxiliary adjusting wheel 1017, and the stable operation of the hopper chain 1012 is further ensured.

In this embodiment, the outer side of the material taking head 101 is further provided with a casing 102, the casing 102 is in a cylindrical shape, the upper end extends to the running trolley, and the lower end is arranged on the upper side of the lower end of the material taking head 101.

Through setting up housing 102, and its lower extreme setting is in the upside of getting the stub bar 101 lower extreme, on the one hand with getting the stub bar 101 parcel, prevent during operation material excessive, on the other hand, there is the difference in height both tip, can expose the lower extreme of stub bar 101, realizes the normal transport to the below material.

The housing 102 includes: the upper portion casing and lower part casing, upper portion casing set up in the first portion 1018 outside of getting, are provided with first guide 116 and second guide 117 on it, and the lower part casing sets up in the second portion 1019 outside of getting, with second guide 117 swing joint, the lower extreme of lower part casing sets up the bottom upside at hopper chain 1012.

The first flexible lifting assembly comprises a first lifting drive 104, a first flexible member 105. The second flexible lifting assembly includes a second lifting drive 110, a second flexible member 111.

The first lifting driving member 104 and the second lifting driving member 110 are drums with driving motors, so that a single driving member can drive multiple groups of pulley blocks to synchronously move, the synchronicity of adjustment driving is improved, and as a changeable implementation mode, the first lifting driving member 104 or the second lifting driving member 110 can also be a driving motor.

The first flexible member 105 and the second flexible member 111 are rope members in this embodiment, specifically, metal materials, such as steel cables, and may also be rope members.

The first flexible member 105 is disposed between the travelling car and the first material taking portion 1018 in a connected manner, and is adapted to be tightened or loosened by the first lifting drive member 104, and to drive the first material taking portion 1018 to lift relative to the travelling car. Meanwhile, the second flexible member 111 is connected between the travelling trolley and the second material taking portion 1019, and can be tightened or loosened under the action of the second lifting driving member 110, and drives the second material taking portion 1019 to lift relative to the first material taking portion 1018.

The cooperation setting of flexible piece and lift driving piece both can realize through tightening up or loosening the rope spare that the stub bar 101 is relative the operation dolly goes up and down, can also be when the perpendicular jacking force of cabin motion that the stub bar 101 received the surge to arouse, absorbs the impact through the flexible piece, realizes along the floating of direction of height, avoids transmitting external force to the operation dolly or bears the main structure of extracting device 100.

Further, set up first flexible lifting element and second flexible lifting element respectively, respectively correspond lift first material taking part 1018 and second material taking part 1019, both can realize through with the lift and go up and down that get the whole lift of stub bar 101, can be again after with rising to extreme position, through continuing to adjust the flexible lifting element of second, further make the second material taking part 1019 of downside carry out further promotion with respect to first material taking part 1018 of upside, and then effectively improve the lifting range of extracting device 100, chain bucket arm self lifting range is little in effectively overcoming prior art, the vertical jacking force of cabin motion that the surge arouses is transferred to the ship unloader structure from chain bucket arm simultaneously, make ship unloader structure receive the harm, and then influence ship unloader service environment's defect.

The first flexible lifting assembly further includes a first adjustment structure and the second flexible lifting assembly further includes a second adjustment structure. The first adjusting structure is provided with a first flexible piece 105 along the circumferential direction, the second adjusting structure is provided with a second flexible piece 111 along the circumferential direction, the first adjusting structure is suitable for bearing the first flexible piece 105 and adjusting the trend of the first flexible piece 105, and the second adjusting structure is suitable for bearing the second flexible piece 111 and adjusting the trend of the second flexible piece 111.

Through setting up the flexible lift subassembly that contains adjusting structure, can bear the flexible piece through adjusting structure and adjust the direction of flexible piece, make extracting device 100 can connect the stub bar 101 through adjusting structure or lift driving piece, when the driving force of lift driving piece acts on the stub bar 101 along the flexible piece, can be dual flexible piece effect, connect and avoid the flexible piece to act on the stub bar 101 along the single line when, the rocking that probably appears because of the side direction external force guarantees the lifting stability of stub bar 101.

In this embodiment, the first lift drive 104 is disposed on a traveling carriage, the first adjustment structure is disposed at least partially on the first pick-out section 1018, the second lift drive 110 is disposed on the traveling carriage, and the first adjustment structure is disposed at least partially on the second pick-out section 1019.

As an alternative embodiment, the first lift drive 104 may be disposed on the pick head 101, the first adjustment structure may not be disposed on the first pick section 1018, the second lift drive 110 may be disposed on the second pick section 1019, and the second adjustment structure may not be disposed on the second pick section 1019.

In this embodiment, the first lifting driving member 104 and the second lifting driving member 110 are both disposed on the travelling trolley, the end of the first flexible member 105 is connected to the first lifting driving member 104, and the end of the second flexible member 111 is connected to the second lifting driving member 110.

The first adjusting structure comprises a first redirecting pulley block 106, the first redirecting pulley block 106 is arranged on the first material taking part 1018 and comprises a plurality of first redirecting pulley pieces which are arranged at intervals along the axial direction, and the first flexible piece 105 is wound on each first redirecting pulley piece and is suitable for driving the first material taking part 1018 to lift; the second adjusting structure comprises a fifth redirecting pulley block 112, the fifth redirecting pulley block 112 is arranged on the second material taking part 1019, and comprises a plurality of fifth redirecting pulley pieces arranged at intervals along the axial direction, and the second flexible piece 111 is wound on each fifth redirecting pulley piece and is suitable for driving the second material taking part 1019 to lift.

As an alternative embodiment, only one or two of the first diverting pulley member or the fifth diverting pulley member may be provided.

The material taking device 100 further comprises a material taking frame 103, the material taking frame 103 is arranged on the upper side of the running trolley, the body is square, a first adjusting structure and a second adjusting structure are convenient to set, the material taking frame 103 is connected with a first flexible lifting assembly and a second flexible lifting assembly respectively, the material taking frame 101 can be contained, the material taking frame 103 can be entered into the material taking frame 101 in the lifting process, a first guiding piece 116 is arranged on a first material taking portion 1018 in the direction of the material taking frame 103, the material taking frame 103 is movably connected with the first guiding piece 116, a second guiding piece 117 is arranged on the first material taking portion 1018 in the direction of a second material taking portion 1019, and the second material taking portion 1019 is movably connected with the second guiding piece 117. In the present embodiment, the first guide 116 and the second guide 117 are pulley members, and may be a rail, a slider, or the like as an alternative embodiment.

The first adjusting structure further comprises a second redirecting pulley block 107, the second redirecting pulley block 107 is arranged on the material taking frame 103, a plurality of second redirecting pulley pieces are arranged along the axial direction at intervals, the second redirecting pulley pieces are arranged corresponding to the first redirecting pulley pieces, and each first redirecting pulley piece and each second redirecting pulley piece are arranged in a one-to-one staggered mode along the first flexible piece 105 around the winding path.

The second adjusting structure further comprises a sixth redirecting pulley block 113 and a ninth redirecting pulley block 118, the sixth redirecting pulley block 113 is arranged in the middle of the material taking frame 103, one or more sixth redirecting pulley pieces can be arranged along the axial direction of the second redirecting pulley block 107, and the sixth redirecting pulley pieces and the fifth redirecting pulley pieces are correspondingly arranged.

The ninth redirecting pulley block 118 is disposed on the first material taking portion 1018, one or more ninth redirecting pulley members are disposed along the axial direction, the second flexible member 111 is wound on the fifth redirecting pulley block 112, and two sides of the second flexible member are respectively disposed around the ninth redirecting pulley member and the sixth redirecting pulley member.

As an alternative embodiment, the ninth diverting pulley arrangement 118 may not be provided and may merely cooperate with the fifth diverting pulley arrangement 112 via the sixth diverting pulley arrangement 113.

Through setting up first bend pulley spare and second bend pulley spare along first flexible part 105 winds the setting route crisscross setting one by one, sets up like this, improves the crisscross density of rope spare between the two, and then improves first bend pulley block 106 and closes the connection compactness of second bend pulley block 107, guarantees to get the load-bearing stability of material frame 103 to first material portion 1018.

In this embodiment, the number of the first redirecting pulley members is less than the number of the second redirecting pulley members in the single group, in this embodiment, the difference is one, and taking the first flexible lifting assembly as an example, the arrangement is such that after the first flexible member 105 bypasses between the first redirecting pulley members and the second redirecting pulley members, the first flexible member 105 extends from the second redirecting pulley members to the running trolley, the extending length of the first flexible member 105 is fixed between the first flexible member 105 and the second redirecting pulley members, the working stability of the fixed end of the first flexible member 105 and the end connected with the first lifting driving member 104 is improved, and the second flexible lifting assembly is the same.

In this embodiment, the first adjusting structure includes two sets of first redirecting pulley blocks 106 and two sets of second redirecting pulley blocks 107, and set up in one-to-one correspondence respectively, and the interval of the first redirecting pulley blocks 106 and the second redirecting pulley blocks 107 that correspond to setting is equal, and wherein two sets of first redirecting pulley blocks 106 arrange the setting along the horizontal direction, and two sets of second redirecting pulley blocks 107 arrange the setting along the horizontal direction. The second adjusting structure comprises two groups of fifth redirecting pulley blocks 112 and two groups of ninth redirecting pulley blocks 118, the fifth redirecting pulley blocks 112 and the ninth redirecting pulley blocks 118 which are correspondingly arranged are arranged in a one-to-one correspondence mode, the distances between the fifth redirecting pulley blocks 112 and the ninth redirecting pulley blocks 118 which are correspondingly arranged are equal, the two groups of fifth redirecting pulley blocks 112 are arranged in a horizontal direction, and the two groups of ninth redirecting pulley blocks 118 are arranged in a horizontal direction;

the arrangement avoids unbalanced lateral stress of the material taking head 101, and improves the lifting stability of the material taking head 101 relative to the material taking frame 103.

As an alternative embodiment, the first diverting pulley block 106, the second diverting pulley block 107, the ninth diverting pulley block 118, the fifth diverting pulley block 112 may be provided in multiple groups.

The first adjusting structure further comprises a third redirecting pulley block 108 and a fourth redirecting pulley block 109 which are connected and arranged on the running trolley, one end of the first flexible piece 105 is arranged on the third redirecting pulley block 108, and the fourth redirecting pulley block 109 is arranged adjacent to the first lifting driving piece 104. The second adjusting structure further comprises a seventh redirecting pulley block 114 and an eighth redirecting pulley block 115 which are connected and arranged on the running trolley, one end of the second flexible piece 111 is arranged on the seventh redirecting pulley block 114, and the eighth redirecting pulley block 115 is arranged adjacent to the second lifting driving piece 110.

In this embodiment, the third redirecting pulley block 108 and the fourth redirecting pulley block 109 are respectively disposed on two sides of the material taking head 101, and the seventh redirecting pulley block 114 and the eighth redirecting pulley block 115 are also respectively disposed on two sides of the material taking head 101.

In this embodiment, the fourth diverting pulley set 109 is arranged flush with the first lifting drive 104 and the eighth diverting pulley set 115 is arranged flush with the second lifting drive 110. As an alternative embodiment, the fourth diverting pulley arrangement 109 may be arranged at a distance from the first lifting drive 104 and with a height difference, and the eighth diverting pulley arrangement 115 may be arranged at a distance from the second lifting drive 110 and with a height difference.

As an alternative embodiment, the third redirecting pulley block 108 and the seventh redirecting pulley block 114 may not be provided, and the first flexible member 105 and the second flexible member 111 may be directly connected to the travelling trolley, and as another alternative embodiment, the fourth redirecting pulley block 109 and the eighth redirecting pulley block 115 may not be provided, and the first flexible member 105 or the second flexible member 111 on the side of the third redirecting pulley block 108 or the ninth redirecting pulley block 118 may be directly connected to the first lifting driving member 104 or the second lifting driving member 110.

Through setting up third bend pulley block 108, connect the operation dolly through the assembly pulley on the one hand, because rope spare is sliding or roll connection with the pulley, can effectively adjust the influence of rope spare tensile stress to third bend pulley block 108 setting position, avoid the damage of stress to hookup location department, on the other hand third bend pulley block 108 and the end connection of first flexible part 105, one end is steady state, only need the first lift driving piece 104 of opposite side to the receive and release of first flexible part 105 to be mediated, avoid both ends to establish first lift driving piece 104 together, need both ends to open simultaneously and stop simultaneously, and the difficult problem of regulation that brings appears.

In addition, because the first redirecting pulley piece and the second redirecting pulley piece are both in height difference with the travelling trolley, and the first lifting driving piece 104 is connected with the end part of the first flexible piece 105, the first flexible piece 105 on one side of the first redirecting pulley piece and the second redirecting pulley piece needs to be received, and the first lifting driving piece 104 can drive the first flexible piece 105 with the same height to stretch and retract by setting the fourth redirecting pulley block 109 adjacent to the first lifting driving piece 104 in a flush manner or in a smaller height difference, so that the stability of the first lifting driving piece 104 for driving the first flexible piece 105 is ensured. The seventh diverting pulley pack 114 and the eighth diverting pulley pack 115 are similar.

Further, along one side of the material taking head 101, the third redirecting pulley block 108 and the seventh redirecting pulley block 114 are arranged along the same vertical direction as the second redirecting pulley block 107 and the first redirecting pulley block 106, and the projections of the third redirecting pulley block and the first redirecting pulley block along the vertical direction are arranged in close proximity or can be arranged along the same position; along the other side of the material taking head 101, the fourth redirecting pulley block 109 and the eighth redirecting pulley block 115 are arranged along the same vertical direction with the other group of second redirecting pulley blocks 107 and the other group of first redirecting pulley blocks 106, and the projections of the first redirecting pulley blocks and the second redirecting pulley blocks along the vertical direction are respectively arranged in close proximity or can be arranged along the same position.

As an alternative embodiment, the third redirecting pulley block 108 and the seventh redirecting pulley block 114 are arranged at intervals with the projections of the adjacent second redirecting pulley block 107 and first redirecting pulley block 106 in the vertical direction; or, the fourth redirecting pulley block 109 and the eighth redirecting pulley block 115 are arranged at intervals with the adjacent second redirecting pulley block 107 and first redirecting pulley block 106 in the projection in the vertical direction.

On the basis of the above embodiment, as a further limiting embodiment, the rod assembly includes a plurality of parallel extending rods 208, one ends of the extending rods 208 are respectively hinged to the side portions of the material taking device 100, and the other ends of the extending rods 208 are respectively hinged to the pushing and pulling members 207.

Specifically, taking the case that the number of the extension bars 208 is two as an example, at this time, a part of structure between two hinged positions of the side portion of the material taking device 100, the two extension bars 208 and the pushing and pulling member 207 together form a set of four-bar linkage, and when the four-bar linkage is in different forms under the transmission action of the four-bar linkage, the pushing and pulling member 207 always maintains the parallel posture with the connecting line between two hinged positions of the side portion of the material taking device 100 at different positions, that is, the pushing and pulling member 207 always extends downwards, so that the efficiency of material pulling is improved while adapting to different material stacking environments at some corner positions below the hatch coaming of the cargo ship.

Further, when a plurality of extension bars 208 are provided in parallel, since the bar itself occupies a certain volume, the plurality of extension bars 208 need to be spatially staggered in the height direction so that all the extension bars 208 complete the stowing operation in parallel to each other.

In addition to the above embodiment, as a further limited embodiment, a plurality of pushing members 207 are provided in parallel along the extending direction of the extending rod 208.

Specifically, a plurality of pushing and pulling pieces 207 are arranged, and the pushing and pulling pieces 207 simultaneously pull materials in the synchronous motion process of the material taking device 100, so that the material pulling efficiency is further improved.

On the basis of the above embodiment, as a further limiting embodiment, the pushing-off and cleaning device 206 is disposed at both sides of the material taking device 100 along the moving direction of the material taking device 100.

Specifically, since the hatch coaming of the cargo ship is generally located at two sides of the cargo ship and is two ends of the movement direction of the material taking device 100, when the material taking device 100 moves close to one side coaming, the pushing and cleaning cabin device 206 close to the side falls to the first unfolding state under the action of the pushing and cleaning lifting structure 209, and stretches into some corner positions below the coaming during the further movement of the material taking device 100, the subsequent material unloading operation is completed, and correspondingly, when the material taking device 100 moves close to the other side coaming, the pushing and cleaning cabin device 206 close to the side operates in a similar manner, so that the material at some corner positions below the coaming at two sides is completely unloaded.

On the basis of the above embodiment, as a further limited embodiment, the push-pull lifting structure 209 includes: a push-pull lift spool 2091 and a push-pull connecting cord 2092.

The pushing and lifting scroll 2091 is connected with the material taking device 100, and the pushing and lifting scroll 2091 is in power connection with a pushing and lifting scroll driving motor;

The pushing and pulling connection rope 2092 is wound on the pushing and pulling lifting scroll 2091 at one end, and is connected to the pushing and pulling cabin cleaning device 206 at the side far away from the material taking device 100 at the other end.

Specifically, the push-pull lifting roller 2091 is fixedly connected to the material taking device 100 as a fixed end of the push-pull lifting structure 209, and under the driving action of the push-pull lifting roller 2091 by the push-pull roller driving motor, the push-pull lifting roller 2091 rotates to wind the push-pull connection rope 2092 around the outer wall of the push-pull lifting roller 2091 or release the push-pull connection rope 2092, so that the push-pull connection rope 2092 is shortened or lengthened, and the push-pull cabin cleaning device 206 connected to the push-pull connection rope 2092 is switched between the first unfolded state and the first folded state.

On the basis of the above embodiment, as a further defined embodiment, the material taking system further includes: a cleaning device 200, a first lifting structure 210, etc.

The cabin cleaning device 200 is arranged on the other side of the material taking device 100, the cabin cleaning device 200 is arranged adjacent to the pushing cabin cleaning device 206, and the cabin cleaning device 200 is suitable for gathering materials towards the direction approaching the material taking device 100.

Specifically, four side walls are formed on the material taking device 100 along the length direction, the pushing and cleaning device 206 is disposed along the movement direction of the material taking device 100, that is, the pushing and cleaning device 206 is disposed on the side wall corresponding to the movement direction of the material taking device 100, the cleaning device 200 is disposed adjacent to the pushing and cleaning device 206, that is, on the other two side walls of the material taking device 100, the cleaning device 200 is disposed perpendicular to the movement direction of the material taking device 100, and during the movement process of the material taking device 100, the cleaning device 200 gathers materials in a direction approaching to the material taking device 100.

Further, when the cabin cleaning device 200 is in the second unfolding state, the collecting device arranged on the cabin cleaning device 200 will collect the materials in the downward mapping range, and collect the materials at the position close to the material taking chain bucket at the bottom of the material taking device 100, so that the material taking chain bucket can complete the material taking operation.

Further, the specific structural form of the cabin cleaning device 200 is not limited in this embodiment, and the collecting operation of the materials can be completed. As an implementation manner, the cabin cleaning device 200 is provided with a scraper driven by a chain wheel and a chain, and the scraper acts on the material to collect the material close to the material taking device 100, so that the material gathering operation is completed; as another embodiment, the cleaning device 200 is provided with a screw plate driven by external force, and the movement of the screw plate acts on the material to collect the material near the material taking device 100, so as to complete the gathering operation of the material.

The first lifting structure 210 is disposed between the material taking device 100 and the cabin cleaning device 200 along the length direction of the material taking device 100, the fixed end of the first lifting structure 210 is connected with the material taking device 100, the movable end of the first lifting structure 210 is connected with the cabin cleaning device 200, and the movable end of the first lifting structure 210 is suitable for telescopic movement relative to the fixed end of the first lifting structure 210.

Specifically, by arranging the first lifting structure 210 between the material taking device 100 and the cabin cleaning device 200, the relative position between the cabin cleaning device 200 and the material taking device 100 is adjusted by using the telescopic action of the first lifting structure 210, so that the cabin cleaning device 200 is far away from the bottom material taking position of the material taking device 100 when no work is needed, the height drop between the bottom position of the cabin cleaning device 200 and the bottom material taking position of the material taking device 100 is increased, and the situation that the cabin cleaning device 200 contacts part of materials on the side surface of the material taking device 100 to push away the materials when the material taking device 100 normally operates is avoided, and the material taking device 100 can take materials normally is ensured.

On the basis of the above embodiment, as a further limiting embodiment, the movable end of the first lifting structure 210 is rotatably connected to the side of the cabin cleaning device 200 close to the material taking device 100; the material taking system further comprises a second lifting structure 211, wherein the second lifting structure 211 is arranged between the material taking device 100 and/or the first lifting structure 210 and the cabin cleaning device 200, the fixed end of the second lifting structure 211 is connected with the material taking device 100 and/or the fixed end of the first lifting structure 210, the movable end of the second lifting structure 211 is rotatably connected with one side, far away from the material taking device 100, of the cabin cleaning device 200, and the movable end of the second lifting structure 211 is suitable for performing telescopic motion relative to the fixed end of the second lifting structure 211, so that the cabin cleaning device 200 is driven to a second unfolding state far away from the material taking device 100, or a second folding state folding towards the direction of the material taking device 100.

Specifically, the movable end of the first lifting structure 210 is rotatably connected to a side of the cabin cleaning device 200 near the material taking device 100, and when the second lifting structure 211 generates a telescopic action, the cabin cleaning device 200 is adjusted to rotate around the rotation connection point with the material taking device 100, and the cabin cleaning device 200 rotates upwards to switch from the second unfolded state to the second folded state.

Further, since the fixed end of the first lifting structure 210 is fixedly connected with the material taking device 100, in the scheme of ensuring that the fixed end of the second lifting structure 211 is in a fixed state, the fixed end of the second lifting structure 211 can be connected with the material taking device 100, or the fixed end of the second lifting structure 211 is connected with the fixed end of the first lifting structure 210, so that the fixed end of the second lifting structure 211 can be ensured to be in a fixed state.

Further, the specific structural forms of the first lifting structure 210 and the second lifting structure 211 are not limited, and the telescopic action can be completed, and the specific structural forms of the first lifting structure 210 and the second lifting structure 211 can be telescopic cylinders, reel cables, and the like.

On the basis of the above embodiments, as a further defined embodiment, the cleaning devices 200 are provided on opposite sides of the material taking device 100.

Specifically, four side walls are formed on the material taking device 100 along the length direction, and the cabin cleaning device 200 is arranged on two opposite side walls of the material taking device 100, so that the collection operation of materials on two corresponding sides of the material taking device 100 is realized, and the cabin cleaning efficiency of the materials is improved.

On the basis of the above embodiments, as a further defined embodiment, two cabin cleaning devices 200 are arranged side by side on one side of the material taking device 100.

Specifically, two cabin cleaning devices 200 are arranged side by side on one side wall of the material taking device 100, and meanwhile, the collecting operation of materials is realized, so that the cabin cleaning efficiency of the materials is improved.

On the basis of the above embodiment, as a further limiting embodiment, the first lifting structure 210 is a telescopic cylinder, the fixed end of the telescopic cylinder is hinged to the material taking device 100 through the fixed hinge point 212, and the movable end of the first lifting structure 210 is hinged to one side of the cabin cleaning device 200, which is close to the material taking device 100, through the movable hinge point 213.

Specifically, in the installation structure of the cabin cleaning device 200, two fixing hinge points 212 are arranged in the length direction of the material taking device 100, and the fixing ends of the telescopic cylinders are hinged and fixed at two positions, so that the stability of the fixing positions of the fixing ends of the telescopic cylinders is ensured; the movable end of the first lifting structure 210 is hinged to one side of the cabin cleaning device 200, which is close to the material taking device 100, through the movable hinge point 213, and the movable end of the first lifting structure 210 is rotatably connected to one side of the cabin cleaning device 200, which is close to the material taking device 100, through the movable hinge point 213, so that switching operation of the cabin cleaning device 200 between the second unfolding state and the second folding state is ensured.

On the basis of the above embodiment, as a further defined embodiment, the second elevating structure 211 includes: lifting reel 2111, clearance connection rope 2112 and drive motor.

Lifting reel 2111 is connected to the fixed end of the take-up device 100 and/or first lifting structure 210, and lifting reel 2111 is in power connection with a reel drive motor.

The cabin cleaning connection rope 2112 has one end wound around the lifting reel 2111 and the other end connected to the side of the cabin cleaning device 200 remote from the material taking device 100.

Specifically, the lifting reel 2111 is fixedly connected to the material taking device 100 or the fixed end of the first lifting structure 210 as the fixed end of the second lifting structure 211, and under the driving action of the lifting reel 2111 by the reel driving motor, the lifting reel 2111 rotates to wind the cabin cleaning connection rope 2112 on the outer wall of the lifting reel 2111 or release the cabin cleaning connection rope 2112, so that the cabin cleaning connection rope 2112 is shortened or lengthened, and the cabin cleaning device 200 connected with the cabin cleaning connection rope 2112 is switched between the second unfolded state and the second folded state.

On the basis of the above embodiments, as further defined embodiments, the cabin cleaning device 200 includes: a mounting frame 201, a screw blade 202, a cabin cleaning driving motor 203 and the like.

One end of the mounting frame 201 is rotatably connected with the movable end of the first lifting structure 210, and the other end is rotatably connected with the movable end of the second lifting structure 211.

The spiral sheet 202 is rotatably connected to the mounting frame 201, and the spiral sheet 202 is adapted to gather materials in a direction approaching the material taking device 100 after rotation.

And the cabin cleaning driving motor 203 is in power connection with the spiral sheet 202.

Specifically, the spiral sheet 202 pushes the material under the driving action of the clearance driving motor 203, the material moves along the extending direction of the spiral line of the spiral sheet 202, and the material is collected close to the material taking device 100 under the reasonable steering setting of the clearance driving motor 203, so that the clearance operation is realized.

On the basis of the above embodiment, as a further limiting embodiment, the cabin cleaning device 200 further comprises a support assembly 204 connected to the mounting frame 201, wherein the bottommost height position of the support assembly 204 is not lower than the bottommost height position of the screw blade 202.

Specifically, after the cabin cleaning device 200 is put down, the supporting component 204 forms a supporting function at the top of the material or the bottom of the cabin, when the topography fluctuates, the supporting component 204 is always clung to the lower layer surface, and drives the cabin cleaning device 200 to fluctuate along with the topography, so that the cabin cleaning device 200 can adapt to different bilge environments and is also convenient to move with the main material taking device. Meanwhile, the bottommost height position of the supporting component 204 is slightly lower than the bottommost height position of the spiral sheet 202, so that the clearance efficiency of the spiral sheet 202 is ensured to the greatest extent, and meanwhile, the spiral sheet 202 is prevented from being damaged due to interference with a bilge wall plate during operation.

On the basis of the above embodiments, as a further defined embodiment, the support assembly 204 comprises support wheels 205, the support wheels 205 being arranged along the direction of movement of the take-off device 100.

Specifically, after the cabin cleaning device is put down, the supporting wheels 205 are arranged, so that the supporting wheels 205 roll on the top of materials or the bottom of a cabin, and the movement smoothness of the cabin cleaning device 200 is improved. Meanwhile, for different arrangement modes of the material taking device 100 and the cabin cleaning device 200 on different side walls of the material taking device 100, the supporting wheels 205 are arranged along the movement direction of the material taking device 100, so that the supporting wheels 205 are suitable for rolling along the movement direction of the material taking device 100, and synchronous movement of the cabin cleaning device 200 and the material taking device 100 is facilitated.

The portal chain bucket ship unloader provided in this embodiment further includes a conveying system, as shown in fig. 23 to 29, specifically, the conveying system may include: a receiving conveyor unit 400, a hopper assembly 401, an intermediate conveyor unit, a gallery assembly 404, etc.

The receiving and conveying unit 400 is adapted to transport material from the hold.

Specifically, the reclaimer device 100 is adapted to take out material from the hold and lift the material to a height position onto the receiving conveyor unit 400, and the receiving conveyor unit 400 is adapted to transport the material extracted from the reclaimer device 100.

A hopper assembly 401 adapted to collect and discharge material to the outside. For example, the hopper assembly 401 gathers and unloads material to a subsequent shore conveyor 800 for transfer.

The intermediate conveying unit is suitable for continuously transferring materials and comprises a fixed conveying section 402 and a movable conveying section 403, wherein the fixed conveying section 402 is communicated with the material receiving conveying unit 400, the movable conveying section 403 is communicated with the funnel assembly 401, and the fixed conveying section 402 is suitable for being driven by external force to rotate relative to the movable conveying section 403.

Specifically, the intermediate conveying unit is disposed between the receiving conveying unit 400 and the hopper assembly 401 to transfer materials on a unloader such as a ship unloader, the hopper assembly 401 is fixed in position on the ship unloader, in the operation process of the ship unloader, lifting motion is required to be performed to achieve complete material taking operation, the fixed conveying section 402 is relatively fixed with the lifting end of the ship unloader in the lifting motion process, synchronous lifting motion is performed, and the movable conveying section 403 forms different angle positions along with the lifting motion of the fixed conveying section 402, so that different height positions of the lifting end of the ship unloader are adapted.

Further, a whole continuous belt conveyor is arranged in the middle conveying unit, and a movable switching assembly is arranged in the middle of the belt conveyor, so that the fixed conveying section 402 and the movable conveying section 403 can rotate relatively.

The gallery assembly 404 is disposed outside the intermediate delivery unit and encloses a sealed cavity with the intermediate delivery unit, and the gallery assembly 404 is at least partially adapted to bend in response to relative rotation of the stationary delivery segment 402 and the movable delivery segment 403.

Specifically, the gallery assembly 404 encloses with at least part of middle conveying unit and forms sealed chamber, the inside belt feeder that sets up of middle conveying unit is arranged in sealed intracavity completely, and can take place the setting of buckling through the gallery assembly 404 in corresponding part, make the gallery assembly 404 wholly carry out synchronous displacement along with middle conveying unit's relative rotation, under the prerequisite that does not influence the normal operating normal material of chain bucket ship unloader conveying system, ensure that middle conveying unit is in the confined environment all the time, avoid the material to expose in external environment when transporting, environmental protection problems such as spill material, raise dust appear accompanying the elevating movement of conveying system, thereby overcome among the prior art chain bucket ship unloader's conveying system in the in-process of transporting the material, the material is spread to the air easily and produces the defect of pollution to the environment.

On the basis of the above embodiments, as a further defined embodiment, the gallery assembly 404 includes: a fixed closing section 4041, a movable closing section 4042, a first bending section 4043, and the like.

A stationary seal section 4041 is disposed outside of the stationary transport section 402.

A movable closing section 4042 is arranged outside the movable conveying section 403.

The first bending section 4043 is connected between the fixed closing section 4041 and the movable closing section 4042, and the first bending section 4043 is adapted to bend with the relative rotation of the fixed conveying section 402 and the movable conveying section 403.

Specifically, through setting up fixed closed section 4041 and movable closed section 4042, carry out sealed protection to middle conveying unit's fixed conveying section 402 and movable conveying section 403 respectively, avoid the material to expose when transporting and appear spilling environmental protection problems such as material, raise dust in external environment.

Further, the first bending section 4043 facilitates synchronous displacement of the fixed sealing section 4041 and the movable sealing section 4042 along with relative rotation of the fixed conveying section 402 and the movable conveying section 403, and ensures that the gallery assembly 404 maintains tightness in the displacement process.

Further, the first bending section 4043 is a wave-shaped seal and can stretch in four dimensions, specifically, up-down direction and front-back direction in the view of fig. 23.

On the basis of the above embodiments, as a further defined embodiment, the gallery assembly 404 further includes: a funnel closure section 4044 and a second bending section 4045.

The funnel closing section 4044 is arranged at the upper part of the communication part of the movable conveying section 403 and the funnel assembly 401, and the funnel closing section 4044 and the funnel assembly 401 are enclosed to form a sealing cavity.

A second bending section 4045 connected between the movable closing section 4042 and the funnel closing section 4044, the second bending section 4045 being adapted to bend with movement of the movable conveying section 403.

Specifically, because funnel assembly 401 upper portion is open structure for receive the material from middle conveying unit activity transport section 403 end, set up funnel closing section 4044 in the upper portion of activity transport section 403 and funnel assembly 401 intercommunication department, enclose the upper portion open structure that closes at funnel closing section 4044 and funnel assembly 401 and form sealed chamber, thereby seal the protection to the material that the end got into funnel assembly 401 of activity transport section 403, avoid the material to expose when transporting and appear spilling environmental protection such as material, raise dust in external environment.

Further, the second bending section 4045 is convenient for the movable closing section 4042 and the funnel closing section 4044 to synchronously displace along with the movement of the second bending section 4045 and the movable conveying section 403, so that the tightness of the gallery assembly 404 is ensured in the displacement process.

Further, the second bending section 4045 is a wave-shaped seal and can stretch in four dimensions, specifically, up-down direction and front-back direction in the view of fig. 23.

On the basis of the above-described embodiments, as a further defined embodiment, the extension direction of the receiving conveyor unit 400 is arranged at an angle to the extension direction of the stationary conveyor section 402.

Specifically, through the extending direction of the material receiving and conveying unit 400 and the extending direction of the fixed conveying section 402 are arranged at an angle, the material falls onto the fixed conveying section 402 after being linearly conveyed to the edge along the extending direction of the material receiving and conveying unit 400, the material led out of the material taking device is transferred onto the fixed conveying section 402 through the material receiving and conveying unit 400, the stability of the conveying process is ensured, no obstruction component is arranged in the conveying process, and the material blockage and scattering are avoided, so that the working efficiency is improved, the failure rate of the whole machine is reduced, and the environmental protection effect is improved.

The material receiving and conveying unit 400 is communicated with a first hopper 4001, the first hopper 4001 is arranged above the fixed conveying section 402 and is suitable for moving along the length direction relative to the fixed conveying section 402, the top of the fixed closing section 4041 is provided with a covering component 405, and the first hopper 4001 is suitable for penetrating through the covering component 405 and enabling a discharge hole of the first hopper 4001 to be located in the sealing cavity.

The contact portion of the cover assembly 405 with the first hopper 4001 remains dynamically sealed as the first hopper 4001 moves in a longitudinal direction relative to the fixed conveying section 402.

Specifically, through setting up cover subassembly 405 in the fixed closed section 4041 top of corridor subassembly 404, when making first hopper 4001 follow length direction relative fixed conveying section 402 motion, the contact position of cover subassembly 405 and first hopper 4001 keeps dynamic seal to guarantee that the bulk cargo can drop smoothly on the belt feeder of fixed conveying section 402 via first hopper 4001, avoid the bulk cargo to spill from the contact position of cover subassembly 405 and first hopper 4001, under the prerequisite that does not influence the normal operation of chain bucket ship unloader conveying system and normally get the material, solve the bulk cargo and transport the raise dust problem of the in-process of fixed conveying section 402 from first hopper 4001, further overcome the defect that the material is easy to diffuse to the air and produces the pollution to the environment.

On the basis of the above embodiment, as a further defined embodiment, the covering assembly 405 includes: a first cover pad 4051 and a second cover pad 4052.

The first cover pad 4051 has one end connected directly or indirectly to a first side of the fixed closing section 4041 in the width direction and the other end extending toward a second side of the fixed closing section 4041 in the width direction.

The second cover pad 4052 has one end connected directly or indirectly to the second side of the fixed closing section 4041 in the width direction and the other end extending toward the first side of the fixed closing section 4041 in the width direction.

The first cover pad 4051 and the second cover pad 4052 are stacked at a non-contact portion between the cover member 405 and the first hopper 4001.

Specifically, the first cover pad 4051 and the second cover pad 4052 are fixed at one end in the width direction, and the other end is freely placed, and in the non-working state, that is, when the cover component 405 is not contacted with the first hopper 4001, the two cover pads are mutually overlapped under the action of gravity, so that a sealing cavity is formed by enclosing the two cover pads with the fixed sealing section 4041, and the sealing cavity always maintains a relatively sealed environment, so that scattering and dust are avoided.

Further, as a preferred embodiment, at the contact position between the cover component 405 and the first hopper 4001, the first hopper 4001 can jack up the free ends of the cover pads on two sides, so as to avoid the interference of the cover pads on the first hopper 4001, and facilitate discharging.

On the basis of the above embodiment, as a further defined embodiment, the covering assembly 405 further comprises a funnel skirt 4053, the funnel skirt 4053 being arranged around the first funnel 4001, and the funnel skirt 4053 being adapted to cover the contact point of the covering assembly 405 and the first funnel 4001.

Specifically, funnel skirt 4053 encircles first hopper 4001 setting, and funnel skirt 4053 is suitable for covering the contact position of cover subassembly 405 and first hopper 4001 to form the one deck shirt rim in the contact position outside, guarantee that first hopper 4001 is in the removal in-process, cover subassembly 405 and the top of the contact position of first hopper 4001 and have funnel skirt 4053 to cover all the time, make the bulk cargo be in the closed environment all the time in the transmission process, guarantee that the bulk cargo is not leaked.

Further, as a preferred embodiment, the funnel skirt 4053 may be a rubber pad disposed around the first funnel 4001 for one week. By utilizing the flexibility of the rubber pad, under the state that the rubber pad naturally sags, the attaching effect of the funnel skirt 4053, the first covering pad 4051 and the second covering pad 4052 can be ensured, so that bulk materials are always in a closed environment in the transmission process, and the problem of leakage of the bulk materials is effectively reduced.

On the basis of the above embodiments, as a further defined embodiment, the funnel assembly 401 is provided with a second hopper 4011.

The closed chain bucket ship unloader conveying system further comprises a shore conveyor 800 which is arranged below the second hopper 4011 in a relative mode and extends along the length direction, a sealing assembly 801 is arranged on the outer side of the shore conveyor 800, the sealing assembly 801 and the shore conveyor 800 are enclosed to form a sealing cavity, and the second hopper 4011 is suitable for penetrating through the sealing assembly 801 and enabling a discharge hole of the second hopper 4011 to be located in the sealing cavity.

Specifically, the overall structure of the sealing assembly 801 may be configured as a sealing structure similar to the fixed sealing section 4041 and the covering assembly 405 on the gallery assembly 404, so as to solve the dust emission problem in the process of transferring bulk materials from the second hopper 4011 to the shore conveyor 800, and further overcome the defect that the materials are easy to diffuse into the air and pollute the environment.

Further, in the material from the inside of the turning plate hopper body of the open structure hopper assembly 401 at the upper part of the hopper assembly 401, the distributor in the hopper body is controlled by the push rod, so that the material falls into the corresponding shore conveyor 800 through the two second hopper leakage 4011.

On the basis of the above embodiments, as a further defined embodiment, the intermediate conveying unit includes: a press roller 406, a fixed segment idler assembly 407, a movable segment idler assembly 408, a plurality of sets of hanging idlers 409, a belt 410, and the like.

A fixed segment idler assembly 407 and a movable segment idler assembly 408 are positioned on either side of the press roller 406 and are adapted to rotate relative to each other along the press roller 406.

A plurality of sets of hanging idler 409 are connected between the fixed segment idler assembly 407 and the movable segment idler assembly 408 and are adapted to adjust the release arc as the fixed segment idler assembly 407 and the movable segment idler assembly 408 are rotated relative to each other.

A belt 410 is wound around the outer sides of the fixed segment idler assemblies 407, the plurality of sets of hanging idlers 409, and the movable segment idler assemblies 408 to form a closed loop.

Specifically, with the press roller 406 as a rotation center, the multiple groups of hanging carrier rollers 409 adjust corresponding positions along with the inclination angle of the movable section carrier roller assembly 408, so as to adapt to the lifting action of the movable section carrier roller assembly 408, namely the movable conveying section 403, along with the fixed section carrier roller assembly 407, namely the fixed conveying section 402, to form different angle positions, so as to adapt to different height positions of the lifting end of the ship unloader.

On the basis of the above embodiments, as a further defined embodiment, the intermediate conveying unit further includes: a belt tensioner 411, a belt drive 412, and an under-switch 413.

A belt tensioner 411 disposed in engagement with the belt 410, the belt tensioner 411 being adapted to tension the belt 410; and/or belt drive 412, disposed in engagement with belt 410, belt drive 412 being adapted to move belt 410; and/or an underspeed switch 413 disposed in engagement with the belt 410, the underspeed switch 413 being adapted to adjust the speed of operation of the belt 410.

Specifically, the end of the intermediate conveying unit, that is, the end of the belt conveyor, close to the receiving conveying unit 400 is a fixed underspeed switch 413, the end of the belt conveyor, close to the hopper assembly 401, is a movable belt tensioning device 411, the belt 410 starts from the underspeed switch 413, reaches the belt tensioning device through the fixed section carrier roller assembly 407, the plurality of groups of suspension carrier rollers 409 and the movable section carrier roller assembly 408, and then winds back to the underspeed switch 413 through the belt driving device 412 to form a closed loop.

Further, the belt tensioning device 411 slides the sliding frame 4112 through the driving action of the tensioning cylinder 4111 according to different inclination angles of the movable conveying section 403 on the middle conveying unit, and then drives the roller 4113 arranged on the sliding frame 4112, and the roller 4113 is tightly attached to the belt 410, so that the belt 410 is always in a tensioning state.

Optionally, the material taking device 100 is in communication with the material receiving and conveying unit 400 and is adapted to move along the length direction of the main beam 20, and the fixed conveying section 402 is disposed on the main beam 20 along the length direction and is adapted to move synchronously with the main beam 20.

Specifically, the reclaimer device 100 communicates with the receiving conveyor unit 400 such that material falls into the receiving conveyor unit 400 and further into the stationary conveyor section 402.

The portal chain bucket ship unloader provided by the embodiment further comprises a power structure 701 and an adjustable weight device 700, wherein the power structure 701 is fixedly connected to the portal main body 10 and is arranged at intervals with the running trolley 30; the power structure 701 comprises a power output end capable of reciprocating up and down; the adjustable counterweight device 700 comprises a counterweight 702, a pulley structure 703 and a counterweight connecting rope 704, wherein the counterweight 702 is connected with the power output end, the pulley structure 703 is connected to the portal body 10, one end of the counterweight connecting rope 704 is connected with the material taking device 100, and the other end bypasses the pulley structure 703 to be connected with the counterweight 702.

The material taking device 100 is suitable for digging materials, and the running trolley 30 can drive the material taking device 100 to move along the main beam 20 so as to take materials along the length direction of the main beam 20; the material taking device 100 and the balancing weight 702 are connected to the main beam 20 at intervals, and the gravity of the material taking device 100 is fully balanced or partially balanced through the pulley structure 703 and the counterweight connecting rope 704, so that the stability and the safety of the gravity center during the operation of the chain bucket ship unloader are ensured; the power output of power structure 701 may apply upward or downward power to weight 702. When the material taking device 100 takes material, the power output end of the power structure 701 applies upward power to the balancing weight 702, and the difference between the gravity of the material taking device 100 and the gravity of the balancing weight 702 plus the power output by the power output end is the grounding force when the material taking device 100 contacts with bulk materials. When the gravity of the counterweight 702 is equal to the gravity of the material taking device 100, the difference between the gravity of the material taking device 100 and the gravity of the counterweight 702 is zero, and the power structure 701 applies upward power to the counterweight 702, so as to provide corresponding grounding force for the material taking device 100 and ensure the contact area and the grounding force of the chain bucket of the material taking device 100. The power structure 701 can also quickly react when the ship unloader encounters a surge, so that the grounding force of the material taking device 100 can be quickly adjusted, and the material taking device 100 can be effectively protected.

In this embodiment, the power structure 701 is fixedly connected to the main beam 20, and the balancing weight 702 is connected to the main beam 20 through the power output end. Further, the power output end is located above the power structure 701 and reciprocates in a vertical direction, and the balancing weight 702 is connected to the top of the power output end. As an alternative embodiment, the power output end is located below the power structure 701 and reciprocates in a vertical direction, and the balancing weight 702 is connected to the bottom of the power output end.

In this embodiment, the adjustable weight device 700 further includes a connection structure 707 fixedly connected to the main beam 20, and the power structure 701 is fixedly connected to the connection structure 707. The connecting structure 707 may be a frame structure, the connecting structure 707 may be connected to the bottom of the main beam 20, the power structure 701 is disposed inside the frame structure and is fixedly connected to the bottom of the frame structure, the power output end is located above the power structure 701 and reciprocates along the vertical direction, and the balancing weight may reciprocate along the vertical direction under the action of the power structure 701. Preferably, the top of the connection 707 is fixedly coupled to the bottom of the main beam 20.

Further, the power structure 701 has four groups, the main beam 20 includes two beams arranged in parallel, the connecting structure 707 is connected between the two beams, and the power output ends of the four groups of power structures 701 are connected at two sides of the balancing weight 702 at intervals respectively.

In a specific embodiment, the main beam 20 includes a fixed main beam and a rotating main beam, one end of the rotating main beam is rotatably connected with one end of the fixed main beam, and the rotating main beam can rotate upwards to be retracted after the material taking is finished. The running trolley 30 is movably connected to a rotating main beam, a stationary main beam is movably connected to the door leg 11, and the power structure 701 and the counterweight 702 are connected to the stationary main beam. Preferably, the power structure 701 and the weight 702 are attached to the fixed main beam at an end remote from the rotating main beam. Each cross beam comprises a rotating section on the rotating main beam and a fixing section on the fixing main beam.

In this embodiment, the power structure 701 is a hydraulic cylinder.

In this embodiment, the pulley structure 703 includes a first guide wheel 70103, which is connected to the gantry body 10 and located above the balancing weight 702, and one end of the counterweight connection rope 704 is connected to the material taking device 100, and the other end bypasses the first guide wheel 70103 and is connected to the balancing weight 702. The counterweight connection rope 704 applies an upward pulling force to the counterweight 702 from the top end of the counterweight 702 through the first guide wheel 70103, and the first guide wheel 70103 is a fixed pulley, so that the gravity of the material taking device 100 and the counterweight 702 can be balanced well. In particular embodiments, the first guide wheel 70103 may be disposed obliquely above the weight 702, applying an obliquely upward pulling force to the weight 702; first guide wheel 70103 may also be disposed directly above weight 702, and may apply a vertically upward pulling force to weight 702.

In this embodiment, the pulley structure 703 further includes a second guiding wheel 7032, which is connected to the travelling car 30 and is located above the material taking device 100; the counterweight connection rope 704 sequentially passes around the second guide wheel 7032 and the first guide wheel 70103 to be connected with the counterweight 702. The counterweight connection rope 704 applies an upward pulling force to the material taking device 100 from the top end of the travelling car 30 through the second guide wheel 7032, and the second guide wheel 7032 is a fixed pulley, so that the gravity of the material taking device 100 and the counterweight 702 can be balanced well. The number of the second guide wheels 7032 may be two, and the two second guide wheels are respectively arranged right above the connection positions of the two counterweight connecting ropes 704 and the two sides of the material taking device 100, and the connection positions of the counterweight connecting ropes 704 and the material taking device 100 may be positioned at the middle positions of the two sides of the material taking device 100; the number of the second guide wheels 7032 may be four, and the four guide wheels are respectively arranged at four corners right above the material taking device 100, and four connecting points of the counterweight connecting rope 704 and the material taking device 100 are respectively positioned at four included angles of the material taking device 100.

In this embodiment, the travelling trolley 30 includes a material taking frame 103, and the second guide wheel 7032 is connected to the top of the material taking frame 103. Ensuring that second guide wheel 7032 is always in a position above reclaimer 100.

In this embodiment, the pulley structure 703 further includes a third guiding wheel 7033, which is connected to the side of the travelling car 30 near the counterweight 702. The weight connecting rope 704 can be put under tension, and the difference in height between the first guide wheel 70103 and the second guide wheel 7032 can be compensated for.

In one implementation of this embodiment, the adjustable weighing device 700 further includes a winding structure 705 and a winding driving structure 706, where the winding structure 705 is fixedly connected to the gantry body 10; the winding structure 705 includes a winding shaft on which the weight connection rope 704 is wound; the winding driving structure 706 is fixedly connected to the portal body 10 or the running trolley 30; and the power output end is connected with the winding shaft. Further, a winding structure 705 is fixedly coupled to the main beam 20 and positioned above the weight 702.

In another implementation of this embodiment, the adjustable weighing device 700 further includes a winding structure 705 and a winding driving structure 706, where the winding structure 705 is fixedly connected to the running trolley 30; the winding structure 705 includes a winding shaft on which the weight connection rope 704 is wound; the winding driving structure 706 is fixedly connected to the portal body 10 or the running trolley 30; and the power output end is connected with the winding shaft.

When the running trolley 30 moves along the main beam 20 in a direction approaching to the balancing weight 702 and drives the material taking device 100 to move, the power output end of the winding driving structure 706 rotates forward to drive the winding shaft to rotate forward, the counterweight connecting rope 704 winds and is stored towards the winding shaft, and the counterweight connecting rope 704 outside the winding structure 705 shortens to tighten the counterweight connecting rope 704; when the running trolley 30 moves along the main beam 20 in a direction away from the counterweight 702 and drives the material taking device 100 to move, the power output end of the winding driving structure 706 rotates reversely, drives the winding shaft to rotate reversely, the counterweight connecting rope 704 rotates and spreads out from the winding shaft, and the counterweight connecting rope 704 outside the winding structure 705 stretches to relieve the additional tension applied to the counterweight connecting rope 704. The winding structure 705 can adjust the length of the counterweight connection rope 704 along with the movement of the travelling trolley 30 under the driving of the winding driving structure 706, so as to ensure that the counterweight connection rope 704 is kept in a tensioned working state. Preferably, the winding structure 705 may be a spool and the winding drive structure 706 may be a rotary motor.

Further, the top of the connection structure 707 is fixedly connected to the bottom of the main beam 20, and the winding structure 705 and the winding driving structure 706 are fixedly connected to the top of the main beam 20 and are located above the connection structure 707.

In this embodiment, the counterweight connection rope 704 is a steel wire rope.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims

1. A portal chain bucket ship unloader, comprising:

a portal body (10) adapted to move in a ship's length direction relative to the quay foundation (4);

The main beam (20) at least partially extends to the sea side and is positioned at the upper position relative to the cabin (2), and the main beam (20) is movably connected with the portal main body (10) and is suitable for lifting relative to the portal main body (10) along the up-down direction;

a material pick-up device (100) adapted to pick up material; the material taking device (100) comprises a material taking frame (103) and a material taking head (101), the material taking head (101) is movably arranged on the material taking frame (103), the material taking head (101) comprises a first material taking part (1018) and a second material taking part (1019), the second material taking part (1019) is arranged on the lower side of the first material taking part (1018), the first material taking part (1018) can be lifted relative to the material taking frame (103), and the second material taking part (1019) can be lifted relative to the first material taking part (1018);

The running trolley (30) is movably arranged on the main beam (20) along the ship width direction, and the material taking device (100) is arranged on the running trolley (30) and is suitable for being driven by the running trolley (30) to move along the ship width direction;

The pushing and cleaning device (206) is arranged on the side part of the material taking device (100) along the ship width direction, and the pushing and cleaning device (206) is suitable for moving along with the material taking device (100) to push and clean materials;

A cabin cleaning device (200) arranged on the side of the material taking device (100) along the ship length direction, wherein the cabin cleaning device (200) is arranged adjacent to the pushing cabin cleaning device (206), and the cabin cleaning device (200) is suitable for gathering materials in a direction approaching to the material taking device (100) under the static and/or moving state of the running trolley (30);

The conveying system is arranged on the portal main body (10) and the main beam (20), one end of the conveying system is correspondingly arranged with the discharge opening of the material taking device (100), the other end of the conveying system is communicated with a shore conveyor (800) fixedly arranged on the wharf foundation (4), and at least part of the area of the conveying system is suitable for lifting along the height direction along with the main beam (20);

The reclaimer device (100) further comprises:

The first flexible lifting assembly comprises a first lifting driving piece (104) and a first flexible piece (105), wherein the first flexible piece (105) is connected between the running trolley (30) and the first material taking part (1018), is suitable for being tightened or loosened under the action of the first lifting driving piece (104), and drives the first material taking part (1018) to lift relative to the running trolley (30);

The second flexible lifting assembly comprises a second lifting driving piece (110) and a second flexible piece (111), the first flexible piece (105) is connected between the running trolley (30) and the first material taking part (1018), is suitable for being tightened or loosened under the action of the second lifting driving piece (110), and drives the second material taking part (1019) to lift relative to the first material taking part (1018);

the material taking head (101) comprises:

A hopper body (1011) adapted to scoop material;

A hopper chain (1012) which is arranged in a ring direction along the height direction, and a plurality of hopper main bodies (1011) are connected and arranged on the outer edge of the hopper chain;

The hopper driving part (1013) is connected with and provided with a driving wheel (1014), the driving wheel (1014) is matched with the hopper chain (1012), and the hopper driving part (1013) is suitable for driving the driving wheel (1014) to rotate and driving the hopper chain (1012) to rotate along the height direction.

2. The portal bucket chain unloader of claim 1, further comprising:

The trolley traction device (500) comprises a traction rope (501) and a driving device (510), wherein the traction rope (501) is connected with the running trolley (30), the traction rope (501) is provided with a tensioning state for compacting the driving device (510) and a loosening state for loosening the driving device (510), and the driving device (510) is suitable for driving the traction rope (501) to move when the traction rope (501) is in the tensioning state so as to be suitable for providing traction force for the running trolley (30).

3. The portal chain bucket ship unloader as set forth in claim 2, wherein the trolley towing device (500) further includes: -a tensioning device in abutment with the traction rope (501), the tensioning device being adapted to adjust the traction rope (501) to switch between the tensioned state and the relaxed state.

4. Portal chain bucket ship unloader according to claim 2, characterized in that the drive means (510) comprise: the traction rope comprises a driving part (511) and a rotating part (512), wherein the driving part (511) drives the rotating part (512) to rotate, the traction rope (501) is wound on the rotating part (512), the traction rope (501) is tightly pressed on the rotating part (512) when in a tensioning state, the traction rope (501) is loosened on the rotating part (512) when in a loosening state, and the rotating part (512) is suitable for driving the traction rope (501) to move when the traction rope (501) is in the tensioning state.

5. A portal bucket ship unloader as claimed in claim 3 wherein the tensioning means comprises: the rotating rod (521) is rotatably arranged on the external structure, two ends of the rotating rod (521) are arranged up and down and respectively abut against the traction rope (501), and the rotating rod (521) adjusts the tightness degree of the traction rope (501) by rotating relative to the external structure.

6. The portal bucket elevator of claim 5, wherein the tensioning device further comprises: and a tensioning driving part (524), wherein the tensioning driving part (524) is connected with the rotating rod (521) and is suitable for driving the rotating rod (521) to rotate.

7. The portal bucket chain unloader as recited in claim 6, wherein the rotating rod (521) is rotatably connected to the outer structure through a hinge point (525), and the tension driving part (524) drives the rotating rod (521) to rotate around the hinge point (525) in a first rotation direction to loosen the traction rope (501); or the tensioning driving part (524) drives the rotating rod (521) to rotate around the hinge point (525) along the second rotating direction so as to tension the traction rope (501).

8. Portal chain bucket ship unloader according to claim 1, characterized in that the travelling trolley (30) comprises:

A frame (301);

the wheel frame (320) comprises a first connecting portion (321) and a second connecting portion (322), wherein the first connecting portion (321) and the second connecting portion (322) are symmetrically arranged and are rotationally connected with the frame (301), the first connecting portion (321) and the second connecting portion (322) are connected through an elastic piece (323), travelling wheels (331) are arranged at the lower ends of the first connecting portion (321) and the second connecting portion (322), and the travelling wheels (331) are suitable for rolling along a first track (341) so as to drive the frame (301) to run along the first track (341).

9. Portal chain bucket ship unloader according to claim 1, characterized in that the push-pull cleaning device (206) comprises:

One end of the rod body assembly is rotationally connected with the side part of the material taking device (100), and the other end of the rod body assembly extends in a direction away from the material taking device (100);

The pushing and pulling piece (207) is arranged on one side of the extending arrangement of the rod body assembly, and the pushing and pulling piece (207) is at least partially arranged in a downward extending manner;

The pushing and lifting structure (209) is arranged between the material taking device (100) and the pushing and cleaning cabin device (206), the fixed end of the pushing and lifting structure (209) is connected with the material taking device (100), the movable end of the pushing and lifting structure (209) is rotatably connected with one side, away from the material taking device (100), of the pushing and cleaning cabin device (206), and the movable end of the pushing and lifting structure (209) is suitable for telescopic movement relative to the fixed end of the pushing and cleaning cabin device (209), so that the pushing and cleaning cabin device (206) is driven to be far away from a first unfolding state of the material taking device (100), or to be in a first folding state of the material taking device (100) in a folding direction.

10. Portal chain bucket ship unloader according to claim 1, characterized in that the cleaning device (200) comprises:

The first lifting structure (210) is arranged between the material taking device (100) and the cabin cleaning device (200) along the length direction of the material taking device (100), the fixed end of the first lifting structure (210) is connected with the material taking device (100), the movable end of the first lifting structure (210) is connected with the cabin cleaning device (200), and the movable end of the first lifting structure (210) is suitable for telescopic movement relative to the fixed end of the first lifting structure (210); the movable end of the first lifting structure (210) is rotatably connected with one side, close to the material taking device (100), of the cabin cleaning device (200);

The second lifting structure (211) is arranged between the material taking device (100) and/or the first lifting structure (210) and the cabin cleaning device (200), the fixed end of the second lifting structure (211) is connected with the material taking device (100) and/or the fixed end of the first lifting structure (210), the movable end of the second lifting structure (211) is rotatably connected with one side, far away from the material taking device (100), of the cabin cleaning device (200), and the movable end of the second lifting structure (211) is suitable for performing telescopic motion relative to the fixed end of the second lifting structure (211), so that the cabin cleaning device (200) is driven to be far away from the unfolding state of the material taking device (100) or the folding state of the material taking device (100) in the direction.

11. The portal bucket chain unloader of claim 10, wherein the hold cleaning apparatus (200) comprises:

One end of the mounting frame (201) is rotationally connected with the movable end of the first lifting structure (210), and the other end of the mounting frame is rotationally connected with the movable end of the second lifting structure (211);

The spiral sheet (202) is rotationally connected to the mounting frame (201), and the spiral sheet (202) is suitable for gathering materials in a direction approaching the material taking device (100) after rotating;

And the cabin cleaning driving motor (203) is in power connection with the spiral sheet (202).

12. The portal bucket chain unloader of claim 1, wherein the transfer system comprises:

a receiving and conveying unit (400) adapted to transport material from the hold;

a hopper assembly (401) adapted to collect and unload material to the outside;

The middle conveying unit is suitable for continuously conveying materials and comprises a fixed conveying section (402) and a movable conveying section (403), the fixed conveying section (402) is communicated with the material receiving conveying unit (400), the movable conveying section (403) is communicated with the funnel assembly (401), and the fixed conveying section (402) is suitable for being driven by external force to rotate relative to the movable conveying section (403);

And the gallery assembly (404) is arranged on the outer side of the middle conveying unit and is enclosed with at least part of the middle conveying unit to form a sealing cavity, and the gallery assembly (404) is at least partially suitable for bending along with the relative rotation of the fixed conveying section (402) and the movable conveying section (403).

13. The portal bucket chain unloader of claim 1, further comprising:

The adjustable counterweight device (700) comprises a power structure (701), a counterweight (702), a pulley structure (703) and a counterweight connecting rope (704), wherein the power structure (701) is fixedly connected to the portal main body (10) and is arranged at intervals with the running trolley (30); the power structure (701) comprises a power output end capable of reciprocating up and down; the balancing weight (702) is connected with the power output end, the pulley structure (703) is connected to the portal main body (10), one end of the counterweight connecting rope (704) is connected with the material taking device (100), and the other end bypasses the pulley structure (703) and is connected with the balancing weight (702).