Hydraulic support transfer device

Abstract

The present application belongs to the field of underground coal mine transportation equipment, and particularly relates to a hydraulic support transfer device, which comprises a walking chassis and a caterpillar walking assembly arranged on both sides of the walking chassis, a horizontal rotary drive is arranged on the walking chassis, a vertical telescopic mechanism is connected above the horizontal rotary drive, a bidirectional horizontal telescopic mechanism is connected to the telescopic end of the vertical telescopic mechanism, the bidirectional horizontal telescopic mechanism is telescopic to both ends, and the hydraulic supports are respectively hung on the two telescopic ends of the bidirectional horizontal telescopic mechanism. The hydraulic support transfer device can advance, retreat, lift and rotate, and the whole device is put into the well during use, the supports are transferred in turn from back to front, and the operation is reciprocated, so that the operation is convenient, the occupied space is small, the structure is simple, and the transfer efficiency can be effectively improved.

Description

Technical Field

[0001] This invention belongs to the field of underground transportation equipment in coal mines, and specifically relates to a hydraulic support transfer device. Background Technology

[0002] Hydraulic supports are the most important piece of equipment in fully mechanized coal mining systems. Placed in front of the working face, they create the mining space. Powered primarily by high-pressure hydraulic fluid, they perform tasks such as roof support, support movement, conveyor transport, and goaf management. With the development of fully mechanized mining technology, equipment has become heavier and more powerful. This has significantly increased the weight of the equipment, creating difficulties in installation at the working face and increasing the workload for workers.

[0003] Hydraulic supports, as a key piece of equipment in modern fully mechanized mining, play a crucial role in ensuring the continuity of mine production through the speed of their transportation, installation, and removal at the longwall face. In underground coal mines, after a fully mechanized mining face is completed, hydraulic supports need to be removed, transported, and installed in new longwall faces. These supports are numerous and heavy, each weighing approximately ten to twenty tons, with some reaching 40 tons. Transporting these supports is physically demanding, and small cranes are insufficient for their transfer. Furthermore, the limited space in underground tunnels prevents the use of large cranes on-site.

[0004] Currently, hydraulic supports are generally transported and unloaded using hydraulic support forklifts. However, transporting hydraulic supports using hydraulic support forklifts requires laying special tracks. The process of transporting and unloading hydraulic supports involves many steps, is complex, and has low work efficiency. These problems are even more prominent when the hydraulic supports of the equipment need to be adjusted or need to be transported along non-track directions. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the purpose of this invention is to provide a hydraulic support transfer device with a simple transfer and unloading process and high working efficiency, which is suitable for the transportation of underground hydraulic supports.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a hydraulic support transfer device, including a walking chassis and tracked walking assemblies arranged on both sides of the walking chassis. A horizontal rotary drive is provided on the walking chassis, and a vertical telescopic mechanism is connected above the horizontal rotary drive. The telescopic end of the vertical telescopic mechanism is connected to a bidirectional horizontal telescopic mechanism. The bidirectional horizontal telescopic mechanism extends and retracts to both ends, and the hydraulic support is respectively hung on the two telescopic ends of the bidirectional horizontal telescopic mechanism.

[0007] Furthermore, the vertical telescopic mechanism includes a lifting inner sleeve, a lifting outer sleeve, and a lifting cylinder. The lifting outer sleeve is fixedly connected to a horizontal rotary drive, the lifting inner sleeve is slidably connected to the inner wall of the lifting outer sleeve, the fixed end of the lifting cylinder is fixedly connected to the lifting outer sleeve, and the telescopic end of the lifting cylinder is fixedly connected to the lifting inner sleeve and drives the lifting inner sleeve to slide.

[0008] Furthermore, the bidirectional horizontal telescopic mechanism includes an inner sleeve of a crossbeam, two outer sleeves of a crossbeam disposed at both ends of the inner sleeve of the crossbeam, and two top beam transverse movement cylinders that control the movement of the two outer sleeves of the crossbeam respectively. The inner sleeve of the crossbeam is vertically connected to the telescopic end of the vertical telescopic mechanism, the two outer sleeves of the crossbeam are slidably connected to both ends of the inner sleeve of the crossbeam, and the telescopic ends of the two top beam transverse movement cylinders are respectively connected to the two outer sleeves of the crossbeam, thereby driving the outer sleeves of the crossbeam to slide on the inner sleeve of the crossbeam.

[0009] Furthermore, transverse grooves are provided at both ends of the inner sleeve of the crossbeam along the extension and retraction direction of the top beam transverse cylinder. The top beam transverse cylinder is horizontally arranged inside the inner sleeve of the crossbeam. The fixed end of the top beam transverse cylinder is fixedly connected to the inner sleeve of the crossbeam. The extension and retraction end of the top beam transverse cylinder is connected to the outer sleeve of the crossbeam through a connecting frame. The connecting frame is arranged in the transverse groove and slides in the transverse groove.

[0010] Furthermore, each of the two crossbeam sleeves is provided with a hanging lug for hanging the hydraulic support, and the top beam of the hydraulic support is hung on the crossbeam sleeve.

[0011] Furthermore, the crossbeam sleeve is provided with connecting ears, and the connecting ears between the hydraulic support top beam and the crossbeam sleeve are detachably connected by positioning pins.

[0012] Furthermore, the chassis is equipped with a base adjustment cylinder for controlling the track tilt angle.

[0013] Furthermore, the walking chassis includes a first chassis and a second chassis, which are hinged together by a connecting pin. The first chassis and the second chassis are respectively provided with connecting ears. The base adjustment cylinder is inclined. The fixed end and the telescopic end of the base adjustment cylinder are respectively connected to the connecting ears of the first chassis and the second chassis. There are two base adjustment cylinders, which are respectively provided on both sides of the walking chassis and cooperate with the track walking assembly.

[0014] Furthermore, the chassis is equipped with a mounting box, which contains an electric motor, a gear oil pump, and an oil tank. The electric motor drives the gear oil pump to supply oil to the entire hydraulic system.

[0015] Furthermore, a hydraulic lock is installed inside the chassis. The hydraulic lock is connected to the hydraulic drive components in the hydraulic system through a high-pressure pipe and controls the stroke positioning of each hydraulic drive component.

[0016] The beneficial effects of the present invention are as follows: The hydraulic support transfer device of the present invention can move forward, backward, lift and rotate. When in use, it is inserted into the well as a whole and the supports are transferred from back to front in sequence, repeating the process. It is easy to operate, occupies little space, and has a simple structure, which can effectively improve the transfer efficiency. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the hydraulic support transfer device of the present invention;

[0018] Figure 2 for Figure 1 Top view;

[0019] Figure 3 for Figure 1 Side view;

[0020] Figure 4 A schematic diagram showing the connection structure between the vertical telescopic mechanism and the bidirectional horizontal telescopic mechanism;

[0021] In the diagram: 1. Hydraulic motor type air cooler, 2. Wireless receiver, 3. Three-phase asynchronous motor, 4. Mounting box, 5. Tracked travel assembly, 6. Electromagnetic starter, 7. Gear oil pump, 8. Oil tank, 9. LED locomotive light, 10. Audible and visual signal device, 11. Lifting cylinder, 12. Methane sensor, 13. Lifting outer sleeve, 14. Top beam lateral movement cylinder, 15. Crossbeam inner sleeve, 16. Crossbeam outer sleeve, 17. Lifting inner sleeve, 18. First chassis connecting lug, 19. First chassis, 20. Second chassis connecting lug, 21. Second chassis, 22. Base adjusting cylinder, 23. Horizontal rotary drive, 24. Chassis connecting pin, 25. Hanging lug. Detailed Implementation

[0022] To make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0023] See appendix Figure 1-4 The hydraulic support transfer device includes a walking chassis and tracked walking assemblies 5 set on both sides of the walking chassis. A horizontal rotary drive 23 is set on the walking chassis. A vertical telescopic mechanism is connected above the horizontal rotary drive 23. The telescopic end of the vertical telescopic mechanism is connected to a bidirectional horizontal telescopic mechanism. The bidirectional horizontal telescopic mechanism extends and retracts to both ends. The hydraulic support is respectively hung on the two telescopic ends of the bidirectional horizontal telescopic mechanism.

[0024] Based on the above technical solution, it should be noted that the horizontal rotary drive 23 uses a motor as the power end to drive the rotation, thereby driving the synchronous rotation of the vertical telescopic mechanism and the bidirectional horizontal telescopic mechanism. This can adjust the longitudinal height and horizontal distance of the hydraulic support to adapt to various downhole environments.

[0025] In one embodiment, the vertical telescopic mechanism includes a lifting inner sleeve 17, a lifting outer sleeve 13, and a lifting cylinder 11. The lifting outer sleeve 13 is fixedly connected to the horizontal rotary drive 23. The lifting inner sleeve 17 is slidably connected to the inner wall of the lifting outer sleeve 13. The fixed end of the lifting cylinder 11 is fixedly connected to the lifting outer sleeve 13, and the telescopic end of the lifting cylinder 11 is fixedly connected to the lifting inner sleeve 17 and drives the lifting inner sleeve 17 to slide.

[0026] In one embodiment, the bidirectional horizontal telescopic mechanism includes a crossbeam inner sleeve 15, two crossbeam outer sleeves 16 disposed at both ends of the crossbeam inner sleeve 15, and two top beam transverse movement cylinders 14 that control the movement of the two crossbeam outer sleeves 16 respectively. The crossbeam inner sleeve 15 is vertically connected to the lifting inner sleeve 17, the two crossbeam outer sleeves 16 are slidably connected to both ends of the crossbeam inner sleeve 15, and the telescopic ends of the two top beam transverse movement cylinders 14 are respectively connected to the two crossbeam outer sleeves 16, thereby driving the crossbeam outer sleeves 16 to slide on the crossbeam inner sleeve 15.

[0027] In one embodiment, the two ends of the inner sleeve 15 of the crossbeam are provided with transverse grooves along the extension and retraction direction of the top beam transverse cylinder. The top beam transverse cylinder 14 is horizontally arranged inside the inner sleeve 15 of the crossbeam. The fixed end of the top beam transverse cylinder 14 is fixedly connected to the inner sleeve 15 of the crossbeam. The extension and retraction end of the top beam transverse cylinder 14 is connected to the outer sleeve 16 of the crossbeam through a connecting frame. The connecting frame is arranged in the transverse groove and slides in the transverse groove.

[0028] In one embodiment, each of the two crossbeam sleeves 16 is provided with a hanging lug 25 for hanging the hydraulic support, and the top beam of the hydraulic support and the hanging lug 25 of the crossbeam sleeve are detachably connected by a positioning pin.

[0029] In one embodiment, the chassis is equipped with a base adjustment cylinder 22 for controlling the track tilt angle. The chassis is leveled when the transfer device travels on a slope.

[0030] In one embodiment, the walking chassis includes a first chassis 19 and a second chassis 21, which are hinged together by a chassis connecting pin 24. The first chassis 19 is provided with a first chassis connecting lug 18, and the second chassis 21 is provided with a second chassis connecting lug 20. The base adjusting cylinder 22 is inclined, and the fixed end and the telescopic end of the base adjusting cylinder 22 are respectively connected to the first chassis connecting lug 18 and the second chassis connecting lug 20. There are two base adjusting cylinders 22, which are respectively provided on both sides of the walking chassis and cooperate with the track walking assembly 5.

[0031] Based on the above technical solution, it should be noted that the first chassis 19 and the second chassis 21 are L-shaped structures, with the contact points overlapping and hinged on the upper surface. When the base adjustment cylinder 22 is pushed out, the first chassis 19 rotates upward relative to the second chassis 21, thereby causing the track end to tighten upward and form a certain tilt angle to match the road conditions.

[0032] In one embodiment, the walking chassis is provided with a mounting box 4, which houses an electric motor 3, a gear oil pump 7, and an oil tank 8. The electric motor 3 drives the gear oil pump 7 to supply oil to the entire hydraulic system.

[0033] In one embodiment, a hydraulic lock is installed inside the chassis. The hydraulic lock is connected to the hydraulic drive components in the hydraulic system via a high-pressure pipe and controls the stroke positioning of each hydraulic drive component.

[0034] The installation box also contains components such as an air cooler 1, a wireless receiver 2, an electromagnetic starter 6, an LED locomotive light 9, an audible and visual signal device 10, and a low-concentration methane sensor for coal mines 12. The electromagnetic starter 6 is used to control the motor's start, and the wireless receiver 2 is used to receive signals sent by the remote control transmitter.

[0035] The hydraulic support transfer device of the present invention is inserted into the well as a whole during use. It is intelligently remote controlled to move along the track, and can move forward, backward, and rotate. The load can rotate 90° to the left and right horizontally, and can realize lifting and extension in the vertical and horizontal directions. The base can be set with an inclination angle and the center of gravity can be adjusted to match the road surface. The transfer process is from back to front, and the supports are transferred in sequence. It can be used for return and reversible transfer.

[0036] The above examples are merely preferred embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All variations that can be directly derived or conceived by those skilled in the art from the disclosure of the present invention should be considered within the scope of protection of the present invention.

Claims

1. A hydraulic support transfer device, suitable for transporting hydraulic supports in underground coal mine fully mechanized mining, characterized in that: It includes a walking chassis and tracked walking assemblies set on both sides of the walking chassis. A horizontal rotary drive is set on the walking chassis. A vertical telescopic mechanism is connected above the horizontal rotary drive. The telescopic end of the vertical telescopic mechanism is connected to a bidirectional horizontal telescopic mechanism. The bidirectional horizontal telescopic mechanism extends and retracts to both ends. Hydraulic supports are respectively hung on the two telescopic ends of the bidirectional horizontal telescopic mechanism. The vertical telescopic mechanism includes a lifting inner sleeve, a lifting outer sleeve, and a lifting cylinder. The lifting outer sleeve is fixedly connected to a horizontal rotary drive, the lifting inner sleeve is slidably connected to the inner wall of the lifting outer sleeve, the fixed end of the lifting cylinder is fixedly connected to the lifting outer sleeve, and the telescopic end of the lifting cylinder is fixedly connected to the lifting inner sleeve and drives the lifting inner sleeve to slide. The bidirectional horizontal telescopic mechanism includes an inner sleeve of a crossbeam, two outer sleeves of a crossbeam disposed at both ends of the inner sleeve of the crossbeam, and two top beam horizontal movement cylinders that control the movement of the two outer sleeves of the crossbeam respectively. The inner sleeve of the crossbeam is vertically connected to the telescopic end of the vertical telescopic mechanism. The two outer sleeves of the crossbeam are slidably connected to both ends of the inner sleeve of the crossbeam. The telescopic ends of the two top beam horizontal movement cylinders are respectively connected to the two outer sleeves of the crossbeam, driving the outer sleeves of the crossbeam to slide on the inner sleeve of the crossbeam. The two ends of the inner sleeve of the crossbeam are provided with transverse sliding grooves along the extension and retraction direction of the top beam transverse cylinder. The top beam transverse cylinder is horizontally set inside the inner sleeve of the crossbeam. The fixed end of the top beam transverse cylinder is fixedly connected to the inner sleeve of the crossbeam. The extension and retraction end of the top beam transverse cylinder is connected to the outer sleeve of the crossbeam through a connecting frame. The connecting frame is set in the transverse sliding groove and slides in the transverse sliding groove. Each of the two crossbeam sleeves is provided with a hanging lug for hanging the hydraulic support, and the top beam of the hydraulic support is hung on the crossbeam sleeve; The crossbeam sleeve is provided with connecting ears, and the connecting ears between the hydraulic support top beam and the crossbeam sleeve are detachably connected by positioning pins.

2. The hydraulic support transfer device according to claim 1, characterized in that: The chassis is equipped with a base adjustment cylinder for controlling the track tilt angle.

3. The hydraulic support transfer device according to claim 2, characterized in that: The walking chassis includes a first chassis and a second chassis, which are hinged together by a connecting pin. The first chassis and the second chassis are respectively provided with connecting ears. The base adjustment cylinder is inclined. The fixed end and the telescopic end of the base adjustment cylinder are respectively connected to the connecting ears of the first chassis and the second chassis. There are two base adjustment cylinders, which are respectively provided on both sides of the walking chassis and cooperate with the track walking assembly.

4. The hydraulic support transfer device according to any one of claims 1-3, characterized in that: The chassis is equipped with a mounting box, which contains an electric motor, a gear oil pump, and an oil tank. The electric motor drives the gear oil pump to supply oil to the entire hydraulic system.

5. The hydraulic support transfer device according to any one of claims 1-3, characterized in that: The chassis is equipped with a hydraulic lock, which is connected to the hydraulic drive components in the hydraulic system via a high-pressure pipe and controls the stroke positioning of each hydraulic drive component.

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