Fully mechanized coal mining face coal mining machine transition device and process

Abstract

The invention relates to the technical field of underground transport vehicles, in particular to a fully mechanized coal mining face coal mining machine transition device and a fully mechanized coal mining face coal mining machine transition process, the device comprises a scraper conveyor chute and a coal mining machine riding above the scraper conveyor chute, and further comprises a connection vehicle and a traction mechanism, the two ends of the connection vehicle are detachably connected with the scraper conveyor chute, and the traction mechanism is connected with the scraper conveyor chute. The connecting vehicle comprises a vehicle body and lifting wheel assemblies, walking assemblies suitable for running of the coal mining machine are arranged on the inner walls of the two sides of the vehicle body, and the lifting wheel assemblies are symmetrically arranged on the outer wall of the vehicle body, connected with the traction mechanism and used for driving the traction mechanism and driving the lifting wheel assemblies to run so as to achieve starting or braking of the connecting vehicle. According to the device, the connecting vehicle and the scraper conveyer chute are arranged to form the continuous slide way and the continuous track for the coal mining machine to walk, so that the coal mining machine is transferred to the connecting vehicle through self power, and the problem that a large-tonnage coal mining machine is difficult to transfer in an underground narrow roadway is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of underground transport vehicles, and in particular to a coal mining machine transfer device and process for a fully mechanized mining working face. Background Art

[0002] In order to facilitate the withdrawal of the comprehensive mining face in the coal mine, one or two auxiliary passages parallel to the working face are dug at the stop line of the comprehensive mining face while excavating the two headings. The passage on the working face side is called the main withdrawal passage. When the comprehensive mining face is penetrated, when withdrawing the coal mining machine, two transport vehicles usually reach the two sides of the coal mining machine from the main withdrawal passage, lift one end of the coal mining machine body respectively, and carry the coal mining machine to the destination. However, the length of the two transport vehicles plus the coal mining machine is nearly 30 meters. The line of sight is obstructed in the narrow tunnel space in the coal mine, and it is difficult for the driver to cooperate with the driving operation. In addition, the coal mining machine is very easy to tip over or scratch the tunnel, and the transportation safety is difficult to guarantee. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a coal mining machine transfer device and process for a fully mechanized mining face that facilitates the transfer of large-tonnage coal mining machines in narrow tunnels.

[0004] The first aspect of the present invention provides a coal mining machine transfer device for a comprehensive mining working face, including a scraper conveyor chute and a coal mining machine riding on the scraper conveyor chute, and also including a shuttle car and a traction mechanism. Both ends of the shuttle car form a detachable connection with the scraper conveyor chute. The shuttle car includes a body and a lifting wheel assembly. Walking assemblies suitable for the operation of the coal mining machine are arranged on the inner walls on both sides of the body. The lifting wheel assembly is symmetrically arranged on the outer wall of the body and is connected to the traction mechanism. The traction mechanism is driven to drive the lifting wheel assembly to operate, so as to realize the starting or braking of the shuttle car.

[0005] Optionally, the traveling assembly includes a plurality of pin rails and a plurality of pin rail seats, the plurality of pin rail seats are evenly arranged on the vehicle body and the scraper conveyor chute and are located on the same side, and the plurality of pin rails sequentially connect two adjacent pin rail seats.

[0006] Optionally, the walking assembly further includes a first sliding shoe track and a second sliding shoe track, wherein the first sliding shoe track is arranged on a side of the vehicle body opposite to the pin rail seat, and the second sliding shoe track is arranged on a side of the scraper conveyor chute corresponding to the first sliding shoe track and is suitable for docking with the first sliding shoe track.

[0007] Optionally, the lifting wheel assembly includes a wheel, a telescopic member, a guide member and a brake, the telescopic member and the brake are connected to the traction mechanism through a pipeline, the guide member and the brake are both connected to the wheel, and the telescopic member is arranged on the guide member in a direction perpendicular to the travel direction;

[0008] When the shuttle vehicle is aligned with the scraper conveyor chute, the traction mechanism is driven to drive the telescopic member to retract, thereby driving the guide member and the wheel to retract in a direction perpendicular to the travel direction, so that the vehicle body contacts the ground;

[0009] When the coal mining machine is completely moved onto the docking vehicle, the traction mechanism is driven to extend the telescopic member, thereby driving the guide member and the wheel to extend in a direction perpendicular to the travel direction, so that the wheel contacts the ground.

[0010] Optionally, a curved slide is provided on the vehicle body.

[0011] Optionally, it also includes a fixing component, which includes a dumbbell pin and a traction pin. The shuttle car is provided with a first mounting hole and a second mounting hole at both ends of the extension direction thereof. The dumbbell pin is passed through the first mounting hole to connect the shuttle car and the scraper conveyor chute, and the traction pin is passed through the second mounting hole to connect the shuttle car and the traction mechanism.

[0012] A second aspect of the present invention provides a coal mining machine transfer process for a fully-mechanized working face, which is completed based on the fully-mechanized working face coal mining machine transfer device described in any one of the above items, and includes the following steps:

[0013] S1, connecting the traction mechanism and the docking vehicle, wherein the traction mechanism provides hydraulic power for the docking vehicle, and driving the traction mechanism to drive the docking vehicle to move to a position aligned with the chute of the scraper conveyor;

[0014] S2, driving the traction mechanism to drive the lifting wheel assembly to move upward in a direction perpendicular to the travel direction until the vehicle body contacts the ground, the shuttle vehicle and the scraper conveyor chute form a continuous track and a continuous slideway, connecting the shuttle vehicle and the scraper conveyor chute, and the shuttle vehicle is in a braking state;

[0015] S3, starting the coal mining machine, and moving the coal mining machine along the scraper conveyor chute to the top of the connecting vehicle. When the coal mining machine is completely separated from the scraper conveyor chute, the connecting vehicle and the coal mining machine are tied and fixed;

[0016] S4, releasing the connection between the shuttle vehicle and the scraper conveyor chute, driving the traction mechanism to drive the lifting wheel assembly to move downward in a direction perpendicular to the travel direction, the vehicle body is off the ground, so that the shuttle vehicle is in a starting state, and driving the shuttle vehicle to move to the destination;

[0017] S5, driving the traction mechanism to drive the shuttle vehicle to move to a position aligned with the chute of the scraper conveyor to be placed;

[0018] S6, driving the traction mechanism to drive the lifting wheel assembly to move upward in a direction perpendicular to the travel direction until the docking vehicle and the scraper conveyor chute to be placed form a continuous track and a continuous slideway, connecting the docking vehicle and the scraper conveyor chute to be placed, and the docking vehicle is in a braking state;

[0019] S7, unbinding the connecting vehicle and the coal mining machine, starting the coal mining machine, and moving the coal mining machine along the connecting vehicle to the top of the scraper conveyor chute to be placed;

[0020] S8. When the coal mining machine is completely separated from the shuttle car, the connection between the shuttle car and the scraper conveyor chute to be placed is released, and the traction mechanism is driven to drive the lifting wheel assembly to move downward in a direction perpendicular to the direction of travel, so that the shuttle car is in a starting state and the shuttle car is moved out.

[0021] Compared with the prior art, the technical solution provided by the embodiment of the present invention has the following beneficial effects:

[0022] The embodiment of the present invention provides a coal mining machine transfer device for a comprehensive mining working face. By providing a docking car whose two ends can be detachably connected to the scraper conveyor chute, the applicability of the docking car is improved, and walking components suitable for the operation of the coal mining machine are provided on the inner walls of both sides of the car body, so that the docking car can be docked with the scraper conveyor chute, and the coal mining machine can move to the docking car along the extension direction of the scraper conveyor chute to realize the transportation of the coal mining machine. By providing a lifting wheel assembly and a traction mechanism, the lifting wheel assembly is connected to the traction mechanism through a pipeline, and the traction mechanism provides hydraulic power for the lifting wheel assembly to drive the lifting wheel assembly to move upward or downward in a direction perpendicular to the travel direction, so that the car body contacts the ground or the car body leaves the ground, thereby realizing the braking or starting of the docking car, and realizing that the traction mechanism drives the docking car to move and dock with the scraper conveyor chute, thereby forming a continuous slideway and continuous track for the coal mining machine to travel, so that the coal mining machine completes the transfer to the docking car through its own power, and solves the problem of difficult transfer of large-tonnage coal mining machines in narrow underground tunnels. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0025] Figure 1 It is a structural schematic diagram of a coal mining machine transfer device for a fully mechanized working face according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic structural diagram of the connection between the shuttle vehicle and the scraper conveyor chute according to an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the docking vehicle according to an embodiment of the present invention;

[0028] Figure 4 It is a schematic diagram of the process steps for transferring a coal mining machine in a fully mechanized mining face according to an embodiment of the present invention.

[0029] Among them, 1. coal mining machine; 2. scraper conveyor chute; 3. shuttle car; 4. traction mechanism; 5. pin rail; 6. pin rail seat; 7. first mounting hole; 8. second mounting hole; 9. wheel; 10. telescopic part; 11. guide part; 12. brake; 13. curved slideway; 14. first slide shoe track; 15. second slide shoe track. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the scheme of the present invention will be further described below. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] Reference Figures 1 to 3 As shown, the first aspect of this embodiment provides a coal mining machine transfer device for a comprehensive mining working face, including a scraper conveyor chute 2 and a coal mining machine 1 riding on the scraper conveyor chute 2, and also including a shuttle car 3 and a traction mechanism 4. Both ends of the shuttle car 3 form a detachable connection with the scraper conveyor chute 2. The shuttle car 3 includes a body and a lifting wheel assembly. Walking assemblies suitable for the operation of the coal mining machine 1 are arranged on the inner walls on both sides of the body. The lifting wheel assemblies are symmetrically arranged on the outer wall of the body and are connected to the traction mechanism 4. The traction mechanism 4 is driven to drive the lifting wheel assembly to operate, so as to realize the start or braking of the shuttle car 3.

[0033] Specifically, by providing a docking car 3 that can be detachably connected to the scraper conveyor chute 2 at both ends, the applicability of the docking car 3 is improved, and walking components suitable for the operation of the coal mining machine 1 are provided on the inner walls of both sides of the car body, so that the docking car 3 can be docked with the scraper conveyor chute 2, and the coal mining machine 1 can move to the docking car 3 along the extension direction of the scraper conveyor chute 2, so as to realize the transportation of the coal mining machine 1, and by providing a lifting wheel assembly and a traction mechanism 4, the lifting wheel assembly is connected to the traction mechanism 4 through a pipeline, and the traction mechanism 4 provides hydraulic power for the lifting wheel assembly to drive the lifting wheel assembly to move upward or downward in a direction perpendicular to the travel direction, so as to realize the contact between the car body and the ground or the separation of the car body from the ground, thereby realizing the braking or starting of the docking car 3, and realizing that the traction mechanism 4 drives the docking car 1 to move and dock with the scraper conveyor chute 2, thereby forming a continuous slideway and track for the coal mining machine 1 to travel, so that the coal mining machine 1 can complete the transfer to the docking car 3 through its own power, thereby solving the problem of the difficulty of transferring large-tonnage coal mining machines in narrow tunnels underground.

[0034] Further, see Figure 2 As shown, the traveling assembly includes a plurality of pin rails 5 and a plurality of pin rail seats 6. The plurality of pin rail seats 6 are evenly arranged on the body and the scraper conveyor chute 2 and are located on the same side. The plurality of pin rails 5 sequentially connect two adjacent pin rail seats 6. Specifically, the pin rail seat 6 is arranged on the same side of the body and the scraper conveyor chute 2. The pin rail 5 is used to connect two adjacent pin rail seats 6. The two pin rail seats 6 docking the scraper conveyor chute 2 and the connecting vehicle 3 are connected through the same pin rail 5. A traveling gear is arranged at the bottom of one side of the coal mining vehicle 1. The traveling gear is meshed with the pin rail 5. When the traveling gear rotates, the coal mining machine 1 is driven to move along the pin rail 5. By arranging the pin rail 5 and the pin rail seat 6, the connection between the scraper conveyor chute 2 and the connecting vehicle 3 is realized, and the connecting vehicle 3 can carry the coal mining machine 1.

[0035] Further, see Figure 2 and Figure 3 As shown, the walking assembly further includes a first sliding shoe path 14 and a second sliding shoe path 15, the first sliding shoe path 14 is arranged on the side of the vehicle body opposite to the pin rail seat 6, and the second sliding shoe path 15 is arranged on the side of the scraper conveyor chute 2 corresponding to the first sliding shoe path 14, and is suitable for docking with the first sliding shoe path 14. Specifically, the first sliding shoe path 14 and the second sliding shoe path 15 have the same width, and when the docking vehicle 3 docks with the scraper conveyor chute 2, the first sliding shoe path 14 and the second sliding shoe path 15 can form a continuous slideway, and the other side of the coal mining machine 1 is suitable for walking along the continuous slideway, so that the coal mining machine 1 moves along the docking vehicle 3.

[0036] Reference Figure 3As shown, the lifting wheel assembly includes a wheel 9, a telescopic member 10, a guide member 11 and a brake 12. The telescopic member 10 and the brake 12 are connected to the traction mechanism 4 through a pipeline. The guide member 11 and the brake 12 are both connected to the wheel 9. The telescopic member 10 is arranged on the guide member 11 in a direction perpendicular to the direction of travel; when the docking vehicle 3 is aligned with the scraper conveyor chute 2, the traction mechanism 4 is driven to drive the telescopic member 10 to retract, so as to drive the guide member 11 and the wheel 9 to retract in a direction perpendicular to the direction of travel, so that the vehicle body contacts the ground; when the coal mining machine 1 is completely moved to the docking vehicle 3, the traction mechanism 4 is driven to drive the telescopic member 10 to extend, so as to drive the guide member 11 and the wheel 9 to extend in a direction perpendicular to the direction of travel, so that the wheel 9 contacts the ground. Specifically, the wheels 9 are arranged on both sides of the vehicle body, and the traction mechanism 4 provides hydraulic power for the telescopic member 10 and the brake 12. The telescopic member 10 is a lifting cylinder, and the movable end of its piston rod is connected to the guide member 11, thereby realizing the driving of the lifting cylinder to work, and can drive the wheel 9 to move in a direction perpendicular to the direction of travel. When the shuttle vehicle 3 needs to dock with the scraper conveyor chute 2, the traction mechanism 4 drives the brake 12 to work, and the wheel 9 is in a braking state. The traction mechanism 4 drives the piston rod of the telescopic member 10 to retract, thereby driving the wheel 9 to move upward, so that the wheel 9 is retracted into the vehicle body, and the vehicle body contacts the ground. At this time, the first sliding shoe 14 and the second The sliding shoe track 15 can form a continuous slideway, and the pin rail seat 6 at the connection between the shuttle car 3 and the scraper conveyor chute 2 can be connected through the pin rail 5 to form a continuous track, thereby realizing the transfer of the coal mining machine 1 to the shuttle car 3; in order to realize the transfer of the coal mining machine 1, when the coal mining machine 1 is separated from the scraper conveyor chute 2, the traction mechanism 4 drives the piston rod of the telescopic part 10 to extend, thereby driving the wheel 9 to move downward, so that the wheel 9 returns to its original state, the body of the vehicle leaves the ground, the wheel 9 contacts the ground, the brake on the wheel 9 is released, and the traction mechanism 4 drives the wheel 9 to move, thereby realizing the traction mechanism 4 drives the shuttle car 3 and the coal mining machine 1 to move, thereby realizing the transfer of the coal mining machine 1.

[0037] In some embodiments, reference Figure 3 As shown, a cambered slide 13 is provided on the vehicle body. By providing the cambered slide 13, the strength of the vehicle body at the wheel 9 is improved, and the slopes formed at the two ends and the center of the vehicle body are conducive to the movement of the coal mining machine 1.

[0038] In other embodiments, continue to refer to Figure 3As shown, it also includes a fixing assembly, which includes a dumbbell pin and a traction pin. The two ends of the docking car 3 in the extension direction thereof are provided with a first mounting hole 7 and a second mounting hole 8. The dumbbell pin is inserted into the first mounting hole 7 to connect the docking car 3 and the scraper conveyor chute 2, and the traction pin is inserted into the second mounting hole 8 to connect the docking car 3 and the traction mechanism 4. Specifically, the end of the scraper conveyor chute 2 is provided with a first connecting seat, the first mounting hole 7 is suitable for inserting the first connecting seat, the dumbbell pin passes through the connecting seat and the first mounting hole 7, thereby realizing the connection between the scraper conveyor chute 2 and the docking car 3, the end of the traction mechanism 4 is provided with a second connecting seat, the second mounting hole 8 is suitable for docking with the second connecting seat, and the traction pin is inserted into the second mounting hole 8 and the second connecting seat, thereby realizing the connection between the traction mechanism 4 and the docking car 3. Of course, the two ends of the docking car 3 are provided with the first mounting hole 7 and the second mounting hole 8, so that the two ends of the docking car 3 are suitable for connecting with the scraper conveyor chute 2 and the traction mechanism 4, thereby improving the applicability of the docking car 3.

[0039] Reference Figure 4 As shown, the second aspect of this embodiment provides a fully-mechanized working face coal mining machine transfer process, which is completed based on the above-mentioned fully-mechanized working face coal mining machine transfer device, and includes the following steps:

[0040] S1, connect the traction mechanism 4 and the docking vehicle 3, the traction mechanism 4 provides hydraulic power for the docking vehicle 3, drives the traction mechanism 4 to drive the docking vehicle 3 to move to a position aligned with the scraper conveyor chute 2, for details, refer to Figure 4 As shown in a and b in the figure, the traction pin is inserted into the second mounting hole 8 and the second connecting seat, thereby realizing the connection between the traction mechanism 4 and the docking car 3. The traction mechanism 4 is connected to the docking car 3 through a pipeline to provide hydraulic power for it. The traction mechanism 4 is started to drive the docking car 3 to move, and the docking car 3 is moved to a position aligned with the scraper conveyor chute 2 to ensure that the curved slide 13 is aligned with the slide of the scraper conveyor chute 2;

[0041] S2, drive the traction mechanism 4 to drive the lifting wheel assembly to move upward in a direction perpendicular to the travel direction until the vehicle body contacts the ground, the shuttle car 3 and the scraper conveyor chute 2 form a continuous track and a continuous slideway, connecting the shuttle car 3 and the scraper conveyor chute 2, and the shuttle car 3 is in a braking state. For details, refer to Figure 4As shown in b, the traction mechanism 4 provides hydraulic power for the telescopic member 10 and the brake 12, and the traction mechanism 4 drives the brake 12 to work. At this time, the wheel 9 is in a braking state, and the traction mechanism 4 drives the piston rod of the telescopic member 10 to retract, thereby driving the wheel 9 to move upward, so that the wheel 9 is retracted into the vehicle body, and the vehicle body is in contact with the ground. At this time, the first sliding shoe track 14 and the second sliding shoe track 15 can form a continuous slideway, and the pin rail seat 6 at the connection between the docking car 3 and the scraper conveyor chute 2 can be connected through the pin rail 5 to form a continuous track, so as to realize the transfer of the coal mining machine 1 to the docking car 3;

[0042] S3, start the coal mining machine 1, and move the coal mining machine 1 along the scraper conveyor chute 2 to the top of the docking car 3. When the coal mining machine 1 is completely separated from the scraper conveyor chute 2, the docking car 3 and the coal mining machine 1 are tied and fixed. For details, refer to Figure 4 As shown in c, the coal mining machine 1 moves along the formed continuous slideway and continuous track to the connecting vehicle 3. When the coal mining machine 1 is completely separated from the scraper conveyor chute 2, the coal mining machine 1 and the connecting vehicle 3 are tied together by a chain;

[0043] S4, release the connection between the shuttle bus 3 and the scraper conveyor chute 2, drive the traction mechanism 4 to drive the lifting wheel assembly to move downward in a direction perpendicular to the travel direction, and the vehicle body is off the ground, so that the shuttle bus 3 is in the starting state, and drives the shuttle bus 3 to move to the destination. For details, refer to Figure 4 As shown in d, the dumbbell pin and pin rail 5 of the shuttle 3 connected to the scraper conveyor chute 2 are removed, and the traction mechanism 4 drives the piston rod of the telescopic member 10 to extend, thereby driving the wheel 9 to move downward, so that the wheel 9 returns to the original state, the vehicle body leaves the ground, the wheel 9 contacts the ground, the brake on the wheel 9 is released, and the traction mechanism 4 drives the wheel 9 to move, driving the shuttle 3 to move to the destination;

[0044] S5, drive the traction mechanism 4 to drive the docking vehicle 3 to move to a position aligned with the scraper conveyor chute 2 to be placed, ensuring that the curved slide 13 is aligned with the slide of the scraper conveyor chute 2;

[0045] S6, drive the traction mechanism 4 to drive the lifting wheel assembly to move upward in a direction perpendicular to the travel direction until the docking car 3 and the scraper conveyor chute 2 to be placed form a continuous track and a continuous slideway, connect the docking car 3 and the scraper conveyor chute 2 to be placed, and the docking car 3 is in a braking state. Specifically, the traction mechanism 4 drives the brake 12 to work. At this time, the wheel 9 is in a braking state. The traction mechanism 4 drives the piston rod of the telescopic member 10 to retract, thereby driving the wheel 9 to move upward, so that the wheel 9 is retracted into the vehicle body, and the vehicle body contacts the ground. At this time, the first slide shoe track 14 and the second slide shoe track 15 can form a continuous slideway, and the pin rail seat 6 at the connection between the docking car 3 and the scraper conveyor chute 2 to be placed can be connected through the pin rail 5 to form a continuous track;

[0046] S7, unbinding the connecting vehicle 3 and the coal mining machine 1, starting the coal mining machine 1, and moving the coal mining machine 1 along the connecting vehicle 3 to the top of the scraper conveyor chute 2 to be placed. Specifically, unbinding the chain binding the connecting vehicle 3 and the coal mining machine 1, so that the coal mining machine 1 moves along the formed continuous slideway and continuous track to the top of the scraper conveyor chute 2 to be placed;

[0047] S8. When the coal mining machine 1 is completely separated from the shuttle car 3, the connection between the shuttle car 3 and the scraper conveyor chute 2 to be placed is released, and the traction mechanism 4 is driven to drive the lifting wheel assembly to move downward in a direction perpendicular to the travel direction, so that the shuttle car 3 is in a starting state, and the shuttle car 3 is moved out. Specifically, when the coal mining machine 1 is completely separated from the shuttle car 3, the dumbbell pin and pin rail 5 connecting the shuttle car 3 to the scraper conveyor chute 2 to be placed are removed, and the traction mechanism 4 drives the piston rod of the telescopic part 10 to extend, thereby driving the wheel 9 to move downward, so that the wheel 9 returns to its original state, the body leaves the ground, the wheel 9 contacts the ground, and the brake on the wheel 9 is released. The traction mechanism 4 drives the wheel 9 to move to drive the shuttle car 3 to move out.

[0048] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0049] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments described herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A coal mining machine transfer device for a fully mechanized mining face, comprising a scraper conveyor chute (2) and a coal mining machine (1) riding on the scraper conveyor chute (2), characterized in that: The invention also comprises a docking vehicle (3) and a traction mechanism (4). Both ends of the docking vehicle (3) are detachably connected to the scraper conveyor chute (2). The docking vehicle (3) comprises a vehicle body and a lifting wheel assembly. Traveling assemblies suitable for the operation of the coal mining machine (1) are arranged on the inner walls of both sides of the vehicle body. The lifting wheel assembly is symmetrically arranged on the outer wall of the vehicle body and is connected to the traction mechanism (4). The traction mechanism (4) is driven to drive the lifting wheel assembly to operate, so as to start or brake the docking vehicle (3).

2. The coal mining machine transfer device for fully mechanized working face according to claim 1 is characterized in that: The travel assembly comprises a plurality of pin rails (5) and a plurality of pin rail seats (6), wherein the plurality of pin rail seats (6) are evenly arranged on the vehicle body and the scraper conveyor chute (2) and are located on the same side, and the plurality of pin rails (5) sequentially connect two adjacent pin rail seats (6).

3. The coal mining machine transfer device for fully mechanized working face according to claim 2 is characterized in that: The walking assembly further comprises a first sliding shoe track (14) and a second sliding shoe track (15), wherein the first sliding shoe track (14) is arranged on a side of the vehicle body opposite to the pin rail seat (6), and the second sliding shoe track (15) is arranged on a side of the scraper conveyor chute (2) corresponding to the first sliding shoe track (14), and is suitable for docking with the first sliding shoe track (14).

4. The coal mining machine transfer device for fully mechanized mining working face according to claim 1, characterized in that: The lifting wheel assembly comprises a wheel (9), a telescopic member (10), a guide member (11) and a brake (12); the telescopic member (10) and the brake (12) are connected to the traction mechanism (4) through pipelines; the guide member (11) and the brake (12) are both connected to the wheel (9); the telescopic member (10) is arranged on the guide member (11) in a direction perpendicular to the travel direction; When the shuttle vehicle (3) is aligned with the scraper conveyor chute (2), the traction mechanism (4) is driven to drive the telescopic member (10) to retract, thereby driving the guide member (11) and the wheel (9) to retract in a direction perpendicular to the travel direction, so that the vehicle body contacts the ground; When the coal mining machine (1) is completely moved onto the docking vehicle (3), the traction mechanism (4) is driven to cause the telescopic member (10) to extend, thereby driving the guide member (11) and the wheel (9) to extend in a direction perpendicular to the direction of travel, so that the wheel (9) contacts the ground.

5. The coal mining machine transfer device for fully mechanized working face according to claim 1, characterized in that: The vehicle body is provided with a curved slideway (13).

6. The coal mining machine transfer device for fully mechanized working face according to claim 1, characterized in that: The invention also comprises a fixing assembly, wherein the fixing assembly comprises a dumbbell pin and a traction pin, wherein the two ends of the docking vehicle (3) in the extension direction thereof are provided with a first mounting hole (7) and a second mounting hole (8), the dumbbell pin is inserted into the first mounting hole (7) to connect the docking vehicle (3) and the scraper conveyor chute (2), and the traction pin is inserted into the second mounting hole (8) to connect the docking vehicle (3) and the traction mechanism (4).

7. A coal mining machine transfer process for a fully mechanized working face, based on the fully mechanized working face coal mining machine transfer device according to claims 1 to 6, characterized in that: The following steps are involved: S1, connecting the traction mechanism (4) and the docking vehicle (3), wherein the traction mechanism (4) provides hydraulic power for the docking vehicle (3), and drives the traction mechanism (4) to drive the docking vehicle (3) to move to a position aligned with the scraper conveyor chute (2); S2, driving the traction mechanism (4) to drive the lifting wheel assembly to move upward in a direction perpendicular to the travel direction until the vehicle body contacts the ground, the shuttle vehicle (3) and the scraper conveyor chute (2) form a continuous track and a continuous slideway, connecting the shuttle vehicle (3) and the scraper conveyor chute (2), and the shuttle vehicle (3) is in a braking state; S3, starting the coal mining machine (1), and the coal mining machine (1) moves along the scraper conveyor chute (2) to the top of the transfer vehicle (3), and after the coal mining machine (1) is completely separated from the scraper conveyor chute (2), the transfer vehicle (3) and the coal mining machine (1) are tied and fixed; S4, releasing the connection between the shuttle vehicle (3) and the scraper conveyor chute (2), driving the traction mechanism (4) to drive the lifting wheel assembly to move downward in a direction perpendicular to the travel direction, the vehicle body is detached from the ground, so that the shuttle vehicle (3) is in a starting state, and drives the shuttle vehicle (3) to move to the destination; S5, driving the traction mechanism (4) to drive the docking vehicle (3) to move to a position aligned with the scraper conveyor chute (2) to be placed; S6, driving the traction mechanism (4) to drive the lifting wheel assembly to move upward in a direction perpendicular to the travel direction until the docking vehicle (3) and the scraper conveyor chute (2) to be placed form a continuous track and a continuous slideway, connecting the docking vehicle (3) and the scraper conveyor chute (2) to be placed, and the docking vehicle (3) is in a braking state; S7, unbinding the connecting vehicle (3) and the coal mining machine (1), starting the coal mining machine (1), and moving the coal mining machine (1) along the connecting vehicle (3) to the top of the scraper conveyor chute (2) to be placed; S8. When the coal mining machine (1) is completely separated from the transfer vehicle (3), the connection between the transfer vehicle (3) and the scraper conveyor chute (2) to be placed is released, and the traction mechanism (4) is driven to drive the lifting wheel assembly to move downward in a direction perpendicular to the direction of travel, so that the transfer vehicle (3) is in a starting state and the transfer vehicle (3) is moved out.

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