CN107327313B - Device for removing middle chute of rear conveyor of fully-mechanized coal mining face - Google Patents
Device for removing middle chute of rear conveyor of fully-mechanized coal mining face Download PDFInfo
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- CN107327313B CN107327313B CN201710681185.0A CN201710681185A CN107327313B CN 107327313 B CN107327313 B CN 107327313B CN 201710681185 A CN201710681185 A CN 201710681185A CN 107327313 B CN107327313 B CN 107327313B
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- 238000005065 mining Methods 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention provides a removing device for a middle chute of a conveyor at the rear part of a fully mechanized coal mining face, which comprises a base, a dragging assembly, a roof connecting assembly and a hydraulic system, wherein the base is provided with a plurality of sliding blocks; the top connecting component is connected with the base through a fixed end of the top connecting component; the upper part of the base is provided with a sliding part, and the dragging assembly is arranged on the inner side of the sliding part; when the middle chute of the rear conveyor needs to be removed, the hydraulic system drives the dragging assembly to move to the position of the chute to be connected with the chute, and the chute is dragged out; stopping the hydraulic system when the chute is dragged to a position near the notch, and removing the dumbbell pin between the two sections of the chute; the hydraulic system pulls the dragging assembly to reverse the return stroke action until all the chute on the rear conveyor is removed. The invention adopts the mode of butting the dragging component and the chute to replace the traditional mode of dragging the steel wire rope, thereby remarkably improving the working efficiency and the safety and remarkably reducing the labor intensity and the labor cost.
Description
Technical Field
The invention relates to the technical field of mining, in particular to a device for removing a middle chute of a rear conveyor of a fully mechanized mining face.
Background
The removal work of the rear conveyor of the comprehensive working face is a system engineering, the removal of the middle chute is a more complicated part in the removal work of the rear conveyor, and the removal speed and the mechanization degree determine the overall removal speed of the rear conveyor.
At present, the middle chute is removed mainly through the following procedures: firstly, drilling holes on two sides of a working face stoping position to sound a winch nest and installing a winch; then cleaning the rear float coal and dismantling the rear pull chain; pulling 6-8 sections of rear conveyor chute to the tail end by using a winch and a rope sleeve each time; and finally, dismantling dumbbell pins between every two sections of the chute, and transporting away by using a crane truck.
Therefore, the removing work of the chute at the rear part of the fully mechanized caving face of the coal mine in China is still in a coarser state. Because the safety coefficient of the connected steel wire rope is low, once the chute is blocked, a driver is not in time to stop the vehicle, and rope breakage accidents are extremely easy to occur, so that the personal safety of operators is endangered. In addition, in the process of dismantling the dumbbell pin, a dismantling worker needs to enter the rear portion to dismantle, and meanwhile, the steel wire rope needs to be pulled by hand from the rear portion of the support, so that time and labor are wasted, and the labor intensity of the dismantling is high.
Therefore, how to improve the efficiency of removing the middle chute of the rear conveyor of the comprehensive working face, improve the safety of the removing work and reduce the labor intensity is a technical problem which needs to be solved by the technicians in the field.
Disclosure of Invention
The invention aims to provide a device for removing a chute in the middle of a conveyor at the rear part of a fully mechanized coal mining face, which has high working efficiency and good safety and can remarkably reduce the labor intensity of operators.
In order to achieve the above object, the present invention provides a device for removing a middle chute of a rear conveyor of a fully mechanized mining face, comprising:
the base is arranged at the upper part of the fully-mechanized coal mining face and is used for installing a movable assembly of the withdrawing device, and a sliding part is arranged at the upper part of the base;
the dragging component is arranged on the inner side of the sliding part to drag the sliding groove of the rear conveyor to move along the horizontal direction of the sliding part;
the fixed end of the top connecting assembly is hinged with a first hinged support arranged at the upper part of the base through a pin shaft;
the hydraulic system is arranged on the upper part of the base and respectively controls the dragging assembly to horizontally move along the sliding part and controls the roof connecting assembly to stretch and rotate;
the movable assembly comprises the dragging assembly and the roof connecting assembly.
Preferably, the dragging assembly comprises a plurality of clamping rails arranged on the inner side of the sliding part and a chute connecting part used for connecting a chute of the rear conveyor and dragging the chute to move;
any clamping rail is provided with a plurality of clamping grooves with upward openings and uniformly distributed; the clamping rails are fixedly connected through pin shafts;
the chute connecting portion is provided with a cross hinge joint which is used for being hinged with the clamping rail at the transverse tail end.
Preferably, the roof connecting assembly comprises a fixing frame, a telescopic beam, a lengthening beam and a roof connector; the lengthening beam is inserted into the telescopic beam, and the lengthening beam and the telescopic beam form a telescopic assembly; the lower end of the telescopic component is inserted into the movable end of the fixing frame, and the upper end of the telescopic component is connected with the roof connector; the fixed end of the fixing frame is hinged with the first hinge support through a pin shaft.
Preferably, a first locking screw used for fixing the relative position of the telescopic beam and the lengthened beam is arranged between the telescopic beam and the lengthened beam, and a second locking screw used for fixing the rotation angle of the roof connector is arranged between the lengthened beam and the roof connector; the first locking screw and the second locking screw are located on the same plane.
Preferably, the hydraulic system comprises an emulsion winch, the emulsion winch is connected with the dragging assembly and spans the dragging assembly to be fixed on the base, and the emulsion winch pulls the dragging assembly to move in a reverse way after the chute is removed.
Preferably, the hydraulic system further comprises a jacking lifting oil cylinder and two jacking angle oil cylinders;
the top connection lifting oil cylinder is arranged along the extending direction of the top connection assembly, the fixed end of the top connection lifting oil cylinder is connected with the telescopic beam, and the piston end of the top connection lifting oil cylinder is connected with the lengthening beam;
the two top connection angle oil cylinders are symmetrically arranged between the top connection assembly and the base so as to enable the top connection assembly to rotate on a vertical plane.
Preferably, the device further comprises two dragging oil cylinders transversely arranged on the outer side of the sliding part; the fixed ends of the two dragging oil cylinders are connected with the sliding part, and the piston ends of the two dragging oil cylinders are connected with the rail clamping device so as to enable the rail clamping device to move.
Preferably, the rail clamping device is arranged at the upper part of the base; the rail clamping device is provided with a clamping plate, the fixed end of the clamping plate is connected with the rail clamping device through a pin shaft, and the movable end of the clamping plate is clamped with the clamping groove; when the dragging oil cylinder drives the rail clamping device to move, the clamping plate arranged on the rail clamping device pushes the rail clamping device to move.
Preferably, the upper part of the topping device is provided with a plurality of topping nails which are uniformly distributed and used for increasing friction force.
Preferably, the bottom of the base is provided with a plurality of anti-slip barb devices which are uniformly distributed and used for increasing friction force between the base and the ground.
When the middle chute of the rear conveyor needs to be removed, the removing device provided by the invention enables the dragging assembly to move along the sliding part under the drive of the hydraulic system, and when the dragging assembly moves to the chute position, the dumbbell pin is used for connecting the dragging assembly with the chute, and the hydraulic system drives the dragging assembly to drive the whole conveyor to drag; when the chute is dragged to be close to the down-notch, stopping the hydraulic system, dismantling dumbbell pins connecting the two sections of the chute, and loading and transporting the two sections of the chute; the hydraulic system pulls the dragging assembly to carry out reverse return motion, and when the dragging assembly is in butt joint with the chute again, the actions are repeated until the middle chute of the whole rear conveyor is completely removed. Compared with the prior art, the invention adopts the mode of butting the dragging component and the chute to replace the traditional steel wire rope, so that the chute in the middle of the cutting eye can be integrally dragged at one time, and the working efficiency and the safety are obviously improved; therefore, the pressure system (can be an emulsion pump station system) is adopted as a power source of the dragging rear conveyor, the operation is more stable and reliable, the speed is more uniform and controllable, manual disassembly is not needed, and the labor intensity and the labor cost are obviously reduced. Therefore, the removing device provided by the invention has high working efficiency and good safety, and can obviously reduce the labor intensity of operators.
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 required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a device for removing a chute in the middle of a conveyor at the rear part of a fully mechanized coal mining face;
FIG. 2 is a schematic front view of FIG. 1;
fig. 3 is a schematic top view of fig. 1.
Detailed Description
The invention has the core of providing a removing device for the middle chute of the rear conveyor of the fully mechanized coal mining face, which has high working efficiency and good safety, and can remarkably reduce the labor intensity and save the labor cost.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present invention.
Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural view of a removing device for a middle chute of a rear conveyor of a fully mechanized coal mining face, fig. 2 is a schematic front view of fig. 1, and fig. 3 is a schematic top view of fig. 1.
The terms "lateral direction and up, down, left, and right" as used herein refer to the lateral direction and up, down, left, and right directions as shown in fig. 1. In addition, the fully mechanized face conveyor described herein is set down in the following order: a conveyor nose (tail), a plurality of transition chutes, a scraper chain assembly, and a plurality of intermediate chutes. The removing device provided by the invention mainly participates in the removing work of a plurality of middle chute.
The invention provides a removing device for a middle chute of a conveyor at the rear part of a fully mechanized mining face, which comprises a base 7, wherein the base 7 is a plate-shaped supporting body with enough strength, rigidity and higher stability, the bottom of the base 7 is fixed on the working face, and the upper part of the base is used for installing a movable component of the removing device. The movable components are specifically a dragging component 1 and a roof-connecting component 4. The upper portion of the base 7 is provided with a sliding portion 71, the sliding portion 71 is a chute with a cross section being approximately I-shaped, the sliding portion 71 is transversely arranged on the upper portion of the base 7 in a connecting mode such as welding or a bolt, a sliding rail for installing the dragging assembly 1 and enabling the carrying assembly 1 to transversely slide is arranged in the sliding portion 71, the dragging assembly 1 is approximately horizontally arranged on the sliding rail on the inner side of the sliding portion 71, and a sufficient movement gap is reserved between the dragging assembly 1 and the sliding portion 71 so as to ensure that the dragging assembly 1 is prevented from contacting the sliding portion 71 to prevent the dragging assembly 1 from moving when the dragging assembly 1 reciprocates. The dragging assembly 1 performs sliding motion in the horizontal direction relative to the sliding part 71 during operation; the left outer end and the right outer end of the base 7 are respectively provided with a pair of first hinge supports 72 and second hinge supports 73, and the two pairs of hinge supports are specifically positioned at the upper part of the base 7 and outside the sliding part 71 and are respectively used for installing the top connecting component 4 and the dragging component 1; the base 7 is also provided with a rail clamping device 5, the rail clamping device 5 spans across the rail clamping 11, and the rail clamping device 5 is arranged on the base 7 through a supporting frame; the clamping plate 51 is arranged on the rail clamping device 5, the clamping plate 51 needs to have higher strength and better wear resistance, the fixed end of the clamping plate 51 is hinged with the rail clamping device 5 through a connector such as a pin shaft, the movable end of the clamping plate is clamped with a clamping groove 111 on the rail clamping device 11, when the rail clamping device 5 is driven to move by extending a dragging oil cylinder 6, the clamping plate 51 arranged on the rail clamping device 5 provides pushing force for the rail clamping device 11, so that the rail clamping device 11 moves along a notch direction, and then a middle chute is driven to move; when the dragging cylinder 6 contracts, the rail clamping device 5 is pulled to move away from the notch, at the moment, the clamping plate 51 slides out of the clamping groove 111 and falls into the later clamping groove 111, and unidirectional movement of the clamping rail 11 is achieved through reciprocating movement of the dragging cylinder 6. Preferably, the design stroke of the dragging cylinder 6 is 750mm, and the distance between the adjacent clamping grooves 111 is 235mm, namely, the distance between the three clamping grooves 111 is moved in one stroke of the dragging cylinder 6.
A stop clamping plate (not shown in the figure) is further arranged on the upper part of the base 7 and inside the sliding part 71, and is fixed on the base 7 through a supporting frame, and when accidents such as fracture of the clamping plate 51 occur, the stop clamping plate can be put down and clamped into the clamping rail 11 so as to prevent the clamping rail 11 from moving accidentally.
In order to make the removing device work more stable and reliable, a plurality of anti-slip barb devices can be uniformly arranged at the bottom of the base 7 so as to increase the contact friction force between the base 7 and the ground.
The removing device provided by the invention further comprises a hydraulic system, wherein the hydraulic system is arranged on the base 7 and comprises a top connection lifting oil cylinder 8, a top connection angle oil cylinder 3, a dragging oil cylinder 6 and an emulsion winch 2, and a driving system capable of driving the dragging assembly 1 to horizontally move and driving the top connection assembly 4 to stretch and rotate is formed.
The drive assembly 1 comprises a chute connection 12 and a plurality of clip rails 11. The clamping rails 11 are fixedly connected in a straight line through fasteners such as bolts, a plurality of symmetrical clamping grooves 111 are formed in the upper portions of two sides of any clamping rail 11, and the opening of each clamping groove 111 is arc-shaped, upwards extends in the opening direction and gradually expands in size. The plurality of clamping grooves 111 are uniformly distributed along the extending direction of the clamping rail 11; the chute connecting part 12 is connected with the clamping rail 11 at the tail end, the chute connecting part 12 is provided with the cross joint 121 at the joint of the clamping rail 11, one end of the cross joint 121 is connected with the chute connecting part 12 through a pin shaft and other connecting pieces, the other end of the cross joint 121 is connected with the clamping rail 11, and the cross joint 121 can refer to the prior art and is not repeated herein. The size and structure of the chute connecting part 12 are specifically designed according to the actual size and structure of the chute, and when the dragging oil cylinder 6 drags the clamping rail 11 to move to the position opposite to the chute, the chute is connected with the chute connecting part 12 through the dumbbell pin, and the dragging chute moves to the vicinity of the notch.
It should be noted that, the structure of the dragging assembly 1 in which the plurality of clamping rails 11 are combined and connected is only a preferred embodiment for easy assembly and disassembly, and the dragging assembly is not limited to this structure, but may be another structure of detachable connection, and may be a unitary structure.
The roof module 4 includes a fixed frame 41, a telescopic beam 42, an elongated beam 43, and a roof connector 44. The telescopic beams 42 and the lengthened beams 43 are cylinders with enough strength and rigidity, and in order to reduce the weight of the roof-connecting assembly 4, the fixing frame 41, the telescopic beams 42 and the lengthened beams 43 can be designed into hollow pieces, and the lengthened beams 43 can be inserted into the hollow structure in the telescopic beams 42 and form a telescopic assembly with the telescopic beams 42; the fixing frame 41 is provided with a fixed end hinged with the first hinged support 72 and a movable end corresponding to the fixed end, the lower end of the telescopic assembly is inserted into the fixed end of the fixing frame 41, and the upper end of the telescopic assembly is hinged with the roof connector 44 through a pin shaft, so that the roof connector 44 can adjust the angle according to the actual working environment.
The roof connector 44 should have high hardness and good wear resistance, the upper part of the roof connector 44 is of a plate structure, a plurality of roof connecting nails 441 are welded on the upper part of the roof connector 44, the roof connecting nails 441 are uniformly distributed on the upper surface of the roof connector 44, the tips of the roof connecting nails 441 face, and when the roof connector 44 is connected, the friction force between the roof connecting nails 441 and the roof can be increased.
In addition, in order to facilitate the adjustment of the installation angle of the roof connector 44 and the lifting, lifting lugs can be installed on the lower surface of the roof connector 44. Similarly, lifting lugs may be mounted on the sides of the telescoping beams 42, and/or the extension beams 43 for ease of lifting.
The structure and the installation mode of the roof connector 44, the roof connector 441 and the anti-slip barb can be varied, and the respective functions can be realized.
The fixing frame 41, the telescopic beam 42, the lengthened beam 43 and the roof connector 44 are connected in a plugging manner to form a telescopic roof connecting assembly 4, so that the length of the roof connecting assembly 4 is adjustable. A first locking screw 9 is provided at the junction of the telescopic beam 42 and the elongated beam 43, and when the roof module 4 is extended to a desired length, the first locking screw 9 is locked to fix the relative position between the telescopic beam 42 and the elongated beam 43. Similarly, a second locking screw 10 may be provided at the junction of the roof connector 44 and the elongated beam 43, and when the roof connector 44 is rotated to a proper angle, the second locking screw 10 is locked to fix the position of the roof connector 44. For easy assembly and disassembly, the first locking screw 9 and the second locking screw 10 may be mounted on the same plane.
It should be noted that, the fixed end of the fixing frame 41 is connected to the base 7 through the hinge seat, and cannot be narrowly understood that the fixed end of the fixing frame 41 must be indirectly connected to the base 7; the fixing frame 41 may be indirectly connected to the base 7 through the first hinge seat 72, or may be indirectly connected to other adjacent structures, or may be directly connected to the base 7. In any case, it is sufficient to ensure that the fixed end of the fixing frame 41 is fixedly connected near the root of the base 7.
It should be noted that the pluggable combination connection structure of the roof module 4 is only a preferred embodiment. The roof module 4 may also be of other construction that can perform a telescoping function, and/or a swivel function, for example, the roof module 4 may be a swivel device having a pull rod structure. Of course, it can be of an integral structure.
The hydraulic system comprises a joint emulsion winch 2, a top connection lifting oil cylinder 8, a top connection angle oil cylinder 3, a dragging oil cylinder 6 and other components, and a power system for driving the dragging assembly 1 to transversely move and the top connection assembly 4 to telescopically rotate.
When the chute connecting part 12 is connected with the middle chute of the rear conveyor through the dumbbell pin, the dragging oil cylinder 6 drives the rail clamping device 5 to move, so that the clamping plate 51 pushes the clamping rail 11 to move, the clamping rail 11 drags the chute connecting part 12 to move through the cross hinge joint 121, the middle chute is driven to move, and when the chute is dragged to a position near the slot, the action of the dragging oil cylinder 6 is stopped, so that the dumbbell pin connected between the chutes is removed; after the primary dismantling task is completed, the emulsion winch 2 pulls the clamping rail 11 and the chute connecting part 12 to perform reverse motion, and when the chute connecting part 12 is in butt joint with the chute positioned in the middle again, the steps are repeated, and the description is omitted.
In a specific embodiment, two vertical angle connecting cylinders 3 symmetrical to the vertical plane defined by the clamping rail 1 and the top connecting assembly 4 are arranged between the base 7 and the telescopic beam 42, the fixed ends of the vertical angle connecting cylinders 3 are fixed on the second hinged support 73, and the piston ends are fixed on a bracket positioned at the upper end of the telescopic beam 42, so that the top connecting assembly 4 can rotate to proper angles in the two sides of the dragging assembly 1 respectively under the driving of the vertical angle connecting cylinders 3, and when the vertical angle connecting cylinders rotate to proper top connecting angles, the vertical angle connecting assembly is locked by the second locking screws 10, and the height of the top connecting assembly 4 is adjusted to the top connecting height.
Similarly, the upper parts of the telescopic beam 42 and the lengthening beam 43 are also provided with a top connecting lifting cylinder 8, the top connecting lifting cylinder 8 is arranged along the extending direction of the top connecting assembly 4, the fixed end of the top connecting lifting cylinder 8 is arranged on the upper wall of the telescopic beam 42, the piston end of the top connecting lifting cylinder 8 is arranged on the upper wall of the lengthening beam 43, and the telescopic beam 42 and the lengthening beam 43 are driven by the top connecting lifting cylinder 8 to stretch and retract to a proper position, and the relative position of the telescopic beam 42 and the lengthening beam 43 is locked by using a first locking screw 9.
In another embodiment, two drag cylinders 6 are symmetrically arranged on the outer side of the sliding portion 71 with respect to the vertical plane, and the drag cylinders 6 are horizontally arranged along the extending direction of the sliding portion 71. The fixed end of the dragging cylinder 6 is connected with the sliding part 71, the piston end is connected with the rail clamping device 5, and when the dragging cylinder 6 stretches and contracts to drive the rail clamping device 5 to rotate, the clamping plate 51 applies forward pushing force to the clamping rail 11 to further push the clamping rail 11 to move along the notch direction.
The right end of the rail clamping device 5 is also provided with an emulsion winch 2, the emulsion winch 2 is also arranged across the clamping rail 11, and after the dumbbell pins at the connecting positions of two adjacent sections of the chute are disassembled, the emulsion winch 2 is matched with a return wheel to pull the clamping rail 11 and the chute connecting part 12 to move in a reverse way.
It should be noted that the structure for realizing the lateral movement of the dragging assembly 1 and the telescopic rotation movement of the top connecting assembly 4 is not limited to the top connecting lift cylinder 8, the top connecting angle cylinder 3 and the dragging cylinder 6, but may be other structures for realizing the corresponding functions. In addition, the jacking lifting cylinder 8, the jacking angle cylinder 3, the dragging cylinder 6 and the emulsion winch 2 are all in the prior art, and are not described herein.
When the middle chute of the rear conveyor needs to be removed, the top connecting angle cylinder 3 drives the top connecting assembly 4 to rotate along the vertical plane by a proper angle so that the removing device is arranged in the end chamber and connected with the top; the dragging oil cylinder 6 drives the rail clamping device 5 to move, the clamping plate 51 arranged on the rail clamping device 5 applies pushing force to the dragging assembly 1, so that the dragging assembly 1 moves towards the direction close to the notch under the action of the pushing force, and when the dragging assembly moves to the middle chute position of the rear conveyor, the chute connecting part 121 is connected with the chute into a whole by using the dumbbell pin, and the dragging oil cylinder 6 drives the dragging assembly 1 to drive the chute to move; when the two sections of the chute are dragged to a position near the notch, the dragging oil cylinder 6 stops acting, the dumbbell pin between the two sections of the chute is removed, and the two sections of the chute are loaded and carried away; the emulsion winch 2 pulls the dragging assembly 1 to carry out reverse return motion, and when the dragging assembly 1 is in butt joint with the undetached middle chute again, the above actions are repeated until the middle chute of the whole rear conveyor is completely removed.
The remote control system can be installed on the removing device, so that remote intelligent control of the removing device is realized.
The invention provides a device for removing the middle chute of the rear conveyor of the fully mechanized coal mining face. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a combine and adopt device that removes of face rear portion conveyer middle part chute which characterized in that includes:
the base (7) is arranged at the upper part of the fully-mechanized coal mining working surface and is used for installing a movable assembly of the withdrawing device, and a sliding part (71) is arranged at the upper part of the base (7);
the dragging assembly (1) is arranged on the inner side of the sliding part (71) to drag the middle chute of the rear conveyor to move along the horizontal direction of the sliding part (71);
the fixed end of the top connecting assembly (4) is hinged with a first hinged support (72) arranged at the upper part of the base (7) through a pin shaft;
the hydraulic system is arranged at the upper part of the base (7) and is used for controlling the dragging assembly (1) to horizontally move along the sliding part (71) and controlling the roof connecting assembly (4) to stretch and rotate;
the movable assembly comprises the dragging assembly (1) and the roof-connecting assembly (4);
the dragging assembly (1) comprises a plurality of clamping rails (11) arranged on the inner side of the sliding part (71) and a chute connecting part (12) used for connecting a chute of a rear conveyor and dragging the chute to move;
any clamping rail (11) is provided with a plurality of clamping grooves (111) with upward openings and uniformly distributed; the clamping rails (11) are fixedly connected through pin shafts;
the chute connecting part (12) is provided with a cross hinge joint (121) which is used for being hinged with the clamping rail (11) positioned at the transverse tail end;
the roof connecting assembly (4) comprises a fixing frame (41), a telescopic beam (42), an lengthening beam (43) and a roof connector (44); the lengthening beam (43) is inserted into the telescopic beam (42), and the lengthening beam (43) and the telescopic beam (42) form a telescopic assembly; the lower end of the telescopic component is inserted into the movable end of the fixing frame (41), and the upper end of the telescopic component is connected with the roof connector (44); the fixed end of the fixed frame (41) is hinged with the first hinge support (72) through a pin shaft.
2. The removing device according to claim 1, wherein a first locking screw (9) for fixing the relative position of the telescopic beam (42) and the elongated beam (43) is arranged between the telescopic beam (42) and the elongated beam (43), and a second locking screw (10) for fixing the rotation angle of the roof connector (44) is arranged between the elongated beam (43) and the roof connector (44); the first locking screw (9) and the second locking screw (10) are positioned on the same plane.
3. A removal device according to claim 2, characterized in that the hydraulic system comprises an emulsion winch (2), the emulsion winch (2) being connected to the dragging assembly (1) and being fastened to the base (7) across the dragging assembly (1), the emulsion winch (2) pulling the dragging assembly (1) in reverse after removal of the chute.
4. A evacuation device according to claim 3, wherein the hydraulic system further comprises a roof-engaging lift cylinder (8) and two roof-engaging angle cylinders (3);
the top connection lifting oil cylinder (8) is arranged along the extending direction of the top connection assembly (4), the fixed end of the top connection lifting oil cylinder (8) is connected with the telescopic beam (42), and the piston end of the top connection lifting oil cylinder (8) is connected with the lengthening beam (43);
the two top connection angle oil cylinders (3) are symmetrically arranged between the top connection assembly (4) and the base (7) so as to enable the top connection assembly (4) to rotate on a vertical plane.
5. A evacuation device according to claim 4, further comprising two hauling cylinders (6) arranged laterally outside the sliding portion (71); the fixed ends of the two dragging oil cylinders (6) are connected with the sliding part (71), and the piston ends of the two dragging oil cylinders (6) are connected with the rail clamping device (5) so as to enable the rail clamping device (5) to move.
6. A removal device according to claim 5, wherein the rail clip (5) is provided on the upper part of the base (7); the clamping rail device (5) is provided with a clamping plate, the fixed end of the clamping plate is connected with the clamping rail device (5) through a pin shaft, and the movable end of the clamping plate is clamped with the clamping groove (111); when the dragging oil cylinder (6) drives the rail clamping device (5) to move, the clamping plate arranged on the rail clamping device (5) pushes the rail clamping device (11) to move.
7. The evacuation device of claim 6, wherein the upper portion of the roof connector (44) is provided with a plurality of evenly distributed roof studs (441) for increasing friction.
8. A removal device according to claim 7, wherein the base (7) is provided at its bottom with a plurality of non-slip barb means uniformly distributed to increase the friction of the base (7) with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681185.0A CN107327313B (en) | 2017-08-10 | 2017-08-10 | Device for removing middle chute of rear conveyor of fully-mechanized coal mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681185.0A CN107327313B (en) | 2017-08-10 | 2017-08-10 | Device for removing middle chute of rear conveyor of fully-mechanized coal mining face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107327313A CN107327313A (en) | 2017-11-07 |
| CN107327313B true CN107327313B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710681185.0A Active CN107327313B (en) | 2017-08-10 | 2017-08-10 | Device for removing middle chute of rear conveyor of fully-mechanized coal mining face |
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| CN108005716B (en) * | 2017-12-29 | 2019-01-08 | 临沂矿业集团有限责任公司 | A kind of fully-mechanized digging machine Fast Installation withdraws transport device |
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| CN107327313A (en) | 2017-11-07 |
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