CN215666723U

CN215666723U - Trackless electric walking gantry device with adjustable

Info

Publication number: CN215666723U
Application number: CN202121608484.XU
Authority: CN
Inventors: 贾金朋; 徐合法
Original assignee: Shenzhen Hualite Crane Machinery Equipment Co ltd
Current assignee: Shenzhen Hualite Crane Machinery Equipment Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-28
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses an adjustable trackless electric walking gantry device which comprises two ground beams, wherein the middle positions of the tops of the two ground beams are connected with a vertical column frame through bolts, a support column is inserted into the vertical column frame, a hydraulic cylinder is connected between the bottom of the support column and the bottom of the vertical column frame through bolts, an H-shaped beam frame is connected between the tops of the opposite sides of the support column through bolts, a lifting mechanism is arranged at the top of the beam frame, a driving moving mechanism is arranged on one side of the bottom of each of the two ground beams, and the other side of the bottom of each ground beam is connected with a brake universal wheel through bolts. The utility model realizes any movement operation in the direction of 360 degrees, supports the whole gantry crane through the ground beam hoisting structure, keeps the positioning performance, also enables the whole height of the equipment to be adjusted in a certain range according to the height of a use site, and can carry out overload protection treatment on the whole hoisting mechanism, the electric hoist and the like.

Description

Trackless electric walking gantry device with adjustable

Technical Field

The utility model relates to the technical field of gantry cranes, in particular to an adjustable trackless electric walking gantry device.

Background

The gantry crane is a variant of a bridge crane, and is called a gantry crane, and is mainly used for loading and unloading outdoor goods yards, stockyard goods and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam.

At present, large and small gantry cranes are very numerous, tonnage varies from 0.5T to 300T, but most of the large and small gantry cranes are installed on fixed rails and run in a straight line, cannot move freely for 360 degrees, and are inconvenient for hoisting and transporting in very narrow and small areas, so that an adjustable trackless electric walking gantry crane is urgently needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an adjustable trackless electric walking gantry device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an adjustable trackless electric walking gantry device comprises two ground beams, wherein the middle positions of the tops of the two ground beams are connected with a vertical column frame through bolts, a support column is inserted in the vertical column frame, a hydraulic cylinder is connected between the bottom of the support column and the bottom of the vertical column frame through bolts, an H-shaped beam frame is connected between the tops of the opposite sides of the support column through bolts, a lifting mechanism is arranged at the top of the beam frame, a driving moving mechanism is arranged at one side of the bottom of the two ground beams, a brake universal wheel is connected to the other side of the bottom of the ground beam through bolts, the driving moving mechanism comprises fixed plates welded at the two sides of the ground beams, a transmission shaft is rotatably connected between the fixed plates, driving wheels are connected to the two ends of the transmission shaft through bolts, a machine shell is welded to one side of the fixed plates, and a walking motor is connected to one side of the machine shell through bolts, a tooth moving component is arranged between one end of an output shaft of the walking motor and one side of the outer wall of the transmission shaft, and the tooth moving component consists of two bevel gears which are meshed with each other.

Preferably, the handling mechanism is including fixing the track in roof beam structure top both sides, and orbital top is provided with the walking dolly, and there is electric block at the top of walking dolly through bolted connection, the intermediate position of roof beam structure is opened there is the spacing groove, and the inner wall sliding connection of spacing groove has the movable frame, and bolted connection is passed through with the top inner wall of walking dolly at the top of movable frame, and there is the mount pad of pegging graft in the movable frame bottom the chain sling of electric block through bolted connection, and the bottom of mount pad is provided with the overload protection structure.

Preferably, the overload protection structure includes two arc plates hinged at two ends of the bottom of the mounting base, the bottom ends of the arc plates are welded with inclined semicircular lifting hooks, and a rigid spring is welded between the two arc plates.

Preferably, two the top both sides of grade beam all opened movable groove, and the equal sliding connection in inner wall in movable groove has the slide, and it has the down tube to articulate between the top of slide and one side of support column, and the welding has the stiffener between the both sides of support column respectively and the bottom both ends of roof beam structure.

Preferably, two the both ends of grade beam all are provided with grade beam hoisting structure, and grade beam hoisting structure is including welding the end headstock in grade beam one end, and open the intermediate position of end headstock has the through-hole, and the inner wall welding of through-hole has the screw thread sleeve, and screw thread sleeve's inner wall threaded connection has the lifter.

Preferably, the lifting rod is a screw rod, and the top of the screw rod is hinged with a rotary rod.

Preferably, the threaded sleeve, the lifting rod and the rotary rod are replaced by a jack, the jack is connected to the top of the end head seat through a bolt, and the piston end of the jack is connected with an ejector rod penetrating through the through hole through a bolt.

The utility model has the beneficial effects that:

1. the whole adjustable trackless electric walking portal crane device is composed of the ground beam, the active moving mechanism, the brake universal wheel, the upright post frame, the hydraulic cylinder, the supporting post, the beam frame, the hoisting mechanism, the rail and the ground beam hoisting structure, the whole portal crane device has smaller volume and can meet the fields of derricks, tunnels, subways, warehouses and the like with very narrow space, when in use, the gear moving component is driven to rotate by the walking motor in the active moving mechanism to drive the active wheels to rotate, so that the movement and transportation operation are convenient, any movement operation in the 360-degree direction is realized by matching with the brake universal wheel, when the hoisting mechanism is used for hoisting operation, the position of the hoisting rod in the ground beam hoisting structure in the threaded sleeve can be adjusted, so that the active moving mechanism and the brake universal wheel are separated from the ground, and the whole portal crane is supported by the ground beam hoisting structure, the positioning performance is kept, in addition, the height of the supporting column in the upright post frame can be adjusted through the hydraulic cylinder, and the height of the whole hoisting mechanism is adjusted, so that the upright post frame has a telescopic function, and the whole height of the equipment can be adjusted within a certain range according to the height of a use site.

2. Through the handling mechanism that sets up, the track, the walking dolly, electric block, the spacing groove, the movable frame, the mount pad, overload protection structure, the arc, rigid spring and semi-circular lifting hook, at carrying out the handling in-process, the accessible track carries out the horizontal migration with the walking dolly to the goods of handling and handles, can place the goods in different regions, and at the initial stage of handling, if handling weight is overloaded, the biggest pulling force of rigid spring to two arcs has been surpassed promptly, can make rigid spring produce certain deformation phenomenon this moment, make one of them semi-circular lifting hook break away from another semi-circular lifting hook, will make the goods directly break away from with overload protection structure, be convenient for carry out overload protection to whole handling mechanism and electric block etc. and handle.

3. Through the ground beam hoisting structure, the end socket, the through hole, the jack and the ejector rod, before hoisting, the ejector rod can be directly ejected out of the end socket through the jack, so that the whole gantry device is supported and processed, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of an adjustable trackless electric walking gantry device provided in embodiment 1;

fig. 2 is a schematic structural diagram of a ground beam lifting structure and an active moving mechanism of the adjustable trackless electric walking gantry device provided in embodiment 1;

fig. 3 is a schematic front structural view of an adjustable trackless electric traveling gantry apparatus provided in embodiment 1;

fig. 4 is a schematic side view of an adjustable trackless electric traveling gantry apparatus according to embodiment 1;

FIG. 5 is a schematic cross-sectional view of the ground beam and the pillar frame of the adjustable trackless electric walking gantry apparatus according to embodiment 1;

FIG. 6 is a schematic structural diagram of a semicircular hook and a rigid spring of the adjustable trackless electric traveling gantry apparatus according to embodiment 1;

fig. 7 is a schematic structural view of a jack of the adjustable trackless electric walking gantry apparatus provided in embodiment 2.

In the figure: 1. a ground beam; 2. an active movement mechanism; 3. a diagonal bar; 4. a column frame; 5. a limiting groove; 6. a track; 7. an electric hoist; 8. a walking trolley; 9. a beam frame; 10. a support pillar; 11. braking the universal wheel; 12. a ground beam lifting structure; 13. an end head seat; 14. lifting the lifting rod; 15. rotating the rod; 16. a traveling motor; 17. a gear moving component; 18. a driving wheel; 19. a movable frame; 20. an arc-shaped plate; 21. a reinforcing bar; 22. a movable groove; 23. a hydraulic cylinder; 24. a mounting seat; 25. a semicircular hook; 26. a rigid spring; 27. a jack.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-6, an adjustable trackless electric walking gantry device comprises two ground beams 1, wherein the middle positions of the tops of the two ground beams 1 are respectively connected with a vertical column frame 4 through bolts, a support column 10 is inserted in the vertical column frame 4, a hydraulic cylinder 23 is connected between the bottom of the support column 10 and the bottom of the vertical column frame 4 through bolts, an H-shaped beam frame 9 is connected between the tops of the opposite sides of the support column 10 through bolts, a lifting mechanism is arranged at the top of the beam frame 9, a driving moving mechanism 2 is arranged at one side of the bottoms of the two ground beams 1, a brake universal wheel 11 is connected to the other side of the bottom of the ground beam 1 through bolts, the driving moving mechanism 2 comprises fixed plates welded at the two sides of the ground beams 1, a transmission shaft is rotatably connected between the fixed plates, two ends of the transmission shaft are connected with driving wheels 18 through bolts, a machine shell is welded at one side of the fixed plates, and one side of the casing is connected with a walking motor 16 through a bolt, a tooth moving component 17 is arranged between one end of an output shaft of the walking motor 16 and one side of the outer wall of the transmission shaft, the tooth moving component 17 is composed of two bevel gears which are meshed with each other, the tooth moving component 17 can be driven to rotate by the walking motor 16 in the active moving mechanism 2, a driving wheel 18 is driven to rotate, the moving and the transportation operation are convenient, the height of the supporting column 10 in the upright column frame 4 can be adjusted through a hydraulic cylinder 23, the height of the whole hoisting mechanism is adjusted, the upright column frame 4 has a telescopic function, and the overall height of the equipment can be adjusted within a certain range according to the height of a use site.

Wherein, handling mechanism is including fixing the track 6 in roof beam structure 9 top both sides, and the top of track 6 is provided with walking dolly 8, there is electric block 7 at the top of walking dolly 8 through bolted connection, spacing groove 5 has been opened to the intermediate position of roof beam structure 9, and the inner wall sliding connection of spacing groove 5 has movable frame 19, bolted connection is passed through with walking dolly 8's top inner wall at the top of movable frame 19, there is the mount pad 24 of pegging graft in movable frame 19 bottom the chain sling of electric block 7 through bolted connection, the bottom of mount pad 24 is provided with overload protection structure.

Wherein, overload protection structure includes two arcs 20 that articulate at 24 bottom both ends of mount pad, and the bottom of arc 20 all welds the semicircular lifting hook 25 that is the slope form, the welding has stiff spring 26 between two arcs 20, at the initial stage of handling, if handling weight is overloaded, the biggest pulling force of stiff spring 26 to two arcs 20 has been surpassed promptly, this moment can make stiff spring 26 produce certain deformation phenomenon, make one of them semicircular lifting hook 25 break away from another semicircular lifting hook 25, will make the goods directly break away from with overload protection structure, be convenient for carry out overload protection to whole handling mechanism and electric block 7 etc. and handle.

Wherein, the top both sides of two grade beams 1 all open movable groove 22, and the equal sliding connection of inner wall in movable groove 22 has the slide, and it has down tube 3 to articulate between the top of slide and one side of support column 10, and the welding has stiffener 21 between the both sides of support column 10 respectively and the bottom both ends of roof beam structure 9.

Wherein, the both ends of two grade beams 1 all are provided with grade beam hoisting structure 12, and grade beam hoisting structure 12 is including welding the end seat 13 in grade beam 1 one end, and the intermediate position of end seat 13 is opened has the through-hole, and the inner wall welding of through-hole has the screw thread sleeve, and screw thread sleeve's inner wall threaded connection has lifting rod 14.

The lifting rod 14 is a lead screw, the top of the lead screw is hinged with a rotary rod 15, when the lifting mechanism is used for lifting, the position of the lifting rod 14 in the ground beam lifting structure 12 in the threaded sleeve can be adjusted through the rotary rod 15, so that the active moving mechanism 2 and the brake universal wheel 11 are separated from the ground, the whole gantry crane is supported through the ground beam lifting structure 12, and the positioning performance is kept.

The working principle is as follows: when the adjustable trackless electric walking portal crane is used, the whole adjustable trackless electric walking portal crane can be formed, the whole portal crane has smaller volume and can meet the fields of derricks, tunnels, subways, warehouses and the like with very narrow space, when the adjustable trackless electric walking portal crane is used, the walking motor 16 in the active moving mechanism 2 can drive the gear component 17 to rotate to drive the active wheels 18 to rotate so as to be convenient for moving and transporting operation, and the brake universal wheels 11 are matched to realize any moving operation in the 360-degree direction, when the lifting mechanism is used for lifting operation, the position of the lifting rod 14 in the ground beam lifting structure 12 in the threaded sleeve can be adjusted, so that the active moving mechanism 2 and the brake universal wheels 11 are separated from the ground, the whole portal crane is supported by the ground beam lifting structure 12, the positioning performance is kept, and the height of the support column 10 in the upright post frame 4 can be adjusted by the hydraulic cylinder 23, adjust whole handling mechanism's height, make stand frame 4 have flexible function, make the whole height of equipment highly can carry out the adjustment of certain limit according to using the scene, carrying out the handling in-process, accessible track 6 and walking dolly 8 carry out the horizontal migration to the goods of handling and handle, can place the goods in different regions, and at the initial stage of handling, if handling weight is overloaded, the biggest pulling force of rigid spring 26 to two arcs 20 has been surpassed promptly, this moment can make rigid spring 26 produce certain deformation phenomenon, make one of them semi-circular lifting hook 25 break away from another semi-circular lifting hook 25, will make the goods directly break away from with overload protection structure, be convenient for carry out overload protection to whole handling mechanism and electric block 7 etc. and handle.

Example 2

Referring to fig. 7, compared to embodiment 1, in this embodiment, the threaded sleeve, the lifting rod 14 and the rotary rod 15 are replaced by a jack 27, the jack 27 is connected to the top of the end head seat 13 through a bolt, and the piston end of the jack 27 is connected to a mandril penetrating through the through hole through a bolt.

The working principle is as follows: before lifting, the jacking rod can be directly jacked out of the end socket 13 through the jack 27, so that the whole gantry device is supported and processed, and the operation is convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An adjustable trackless electric walking gantry device comprises two ground beams (1), and is characterized in that the middle positions of the tops of the two ground beams (1) are connected with a stand column frame (4) through bolts, a support column (10) is inserted in the stand column frame (4), a hydraulic cylinder (23) is connected between the bottom of the support column (10) and the bottom of the stand column frame (4) through bolts, an H-shaped beam frame (9) is connected between the tops of the opposite sides of the support column (10) through bolts, a lifting mechanism is arranged at the top of the beam frame (9), a driving moving mechanism (2) is arranged on one side of the bottom of the two ground beams (1), a brake universal wheel (11) is connected to the other side of the bottom of the ground beam (1) through bolts, the driving moving mechanism (2) comprises fixed plates welded on the two sides of the ground beam (1), and a transmission shaft is rotatably connected between the fixed plates, the two ends of the transmission shaft are connected with driving wheels (18) through bolts, a casing is welded on one side of the fixing plate, a walking motor (16) is connected on one side of the casing through bolts, a tooth moving assembly (17) is arranged between one end of an output shaft of the walking motor (16) and one side of the outer wall of the transmission shaft, and the tooth moving assembly (17) is composed of two bevel gears which are meshed with each other.

2. The adjustable trackless electric walking gantry device according to claim 1, wherein the lifting mechanism comprises rails (6) fixed on two sides of the top of a beam frame (9), a walking trolley (8) is arranged on the top of the rails (6), an electric hoist (7) is connected to the top of the walking trolley (8) through a bolt, a limiting groove (5) is formed in the middle of the beam frame (9), a movable frame (19) is slidably connected to the inner wall of the limiting groove (5), the top of the movable frame (19) is connected to the inner wall of the top of the walking trolley (8) through a bolt, a mounting seat (24) inserted into the movable frame (19) is connected to the bottom of a lifting chain of the electric hoist (7) through a bolt, and an overload protection structure is arranged at the bottom of the mounting seat (24).

3. An adjustable trackless electric walking gantry device according to claim 2, wherein the overload protection structure comprises two arc plates (20) hinged at two ends of the bottom of the mounting base (24), the bottom ends of the arc plates (20) are welded with a semicircular hook (25) in an inclined shape, and a rigid spring (26) is welded between the two arc plates (20).

4. A railless electric walking gantry device with adjustable according to claim 3, characterized in that two sides of the top of two ground beams (1) are provided with movable grooves (22), the inner walls of the movable grooves (22) are connected with sliding seats in a sliding manner, an oblique rod (3) is hinged between the top of the sliding seat and one side of the supporting column (10), and reinforcing rods (21) are welded between two sides of the supporting column (10) and two ends of the bottom of the beam frame (9).

5. A railless electric walking gantry device with adjustable according to claim 4, characterized in that two ends of two ground beams (1) are provided with ground beam hoisting structures (12), each ground beam hoisting structure (12) comprises an end head seat (13) welded at one end of each ground beam (1), a through hole is formed in the middle of each end head seat (13), a threaded sleeve is welded on the inner wall of each through hole, and the inner wall of each threaded sleeve is connected with a lifting rod (14) in a threaded manner.

6. A railless electric walking gantry device with adjustable according to claim 5, characterized in that the lifting rod (14) is a lead screw, and the top of the lead screw is hinged with a rotary rod (15).

7. A railless electric walking gantry device with adjustable according to claim 6, characterized in that the threaded sleeve, the lifting rod (14) and the rotary rod (15) are replaced by a jack (27), the jack (27) is connected to the top of the end head seat (13) through a bolt, and the piston end of the jack (27) is connected with a mandril passing through the through hole through a bolt.