Rail self-moving equipment train for underground coal mine
By designing the guiding structure and anti-deviation components, the problems of steering and stability of underground equipment trains in coal mines on complex routes were solved, enabling efficient and safe movement of the equipment trains.
Patent Information
- Application Number
- CN202522531819.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-11-28
AI Technical Summary
Existing coal mine underground equipment trains lack effective steering linkage structures on complex routes, resulting in repeated track adjustments. Furthermore, the wheels are prone to lateral deviation due to bumpy underground terrain or heavy loads, posing a risk of derailment.
Employing a guiding structure and anti-deviation components, the guide vehicle and the pallet vehicle achieve flexible steering linkage through hydraulic rods and propulsion cylinders. The limit wheels are embedded in the track grooves and roll to suppress lateral deviation of the vehicle body.
This improved the stability and safety of the equipment train on complex routes, reduced track adjustment costs, and lowered the risk of derailment.
Smart Images
Figure CN224941098U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of auxiliary transportation equipment in coal mines, and in particular to a self-propelled track-mounted equipment train for use in coal mines. Background Technology
[0002] In fully mechanized coal mining faces, mining equipment trains are specialized transportation equipment. Large auxiliary equipment for coal mining, such as mobile substations, emulsion pump stations, and pump boxes, are all deployed and installed on the equipment trains. During use, the equipment trains need to move forward as the working face advances.
[0003] Existing self-propelled equipment trains mostly rely on the preset curvature of the track and lack an effective steering linkage structure. When facing complex underground routes, the track needs to be adjusted repeatedly, which affects the propulsion efficiency. At the same time, the wheel-track contact and limiting structure is simply designed and is prone to lateral deviation due to bumpy underground terrain or heavy equipment load, which may even lead to derailment risk. In order to address this technical problem, this application proposes a track-driven equipment train for underground coal mines. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a self-propelled track-mounted equipment train for underground coal mines. This self-propelled equipment train can avoid significant deviations in its forward direction during operation through a guiding structure, reducing the number of times the equipment train needs to be adjusted. At the same time, the anti-deviation structure can improve the stability and safety of the train during operation.
[0005] To achieve the above objectives, the present invention provides the following technical solution: A self-propelled track-mounted equipment train for underground coal mines includes a guide car, a pallet car, and a flatbed car. A guide assembly is bolted to the front of the guide car, and a propulsion cylinder is mounted on the rear of the guide car. The output end of the propulsion cylinder is connected to the pallet car. Four jacks are mounted on the left and right sides of the flatbed car via fixed brackets. A frame is bolted to the bottom of the flatbed car on both sides. Multiple wheels are rotatably mounted on the inner side of the frame. The frame is connected to a moving track via an anti-deviation assembly, and a propulsion cylinder is located on the front of the moving track.
[0006] Furthermore, the guiding assembly includes a guide plate installed at the front of the guiding vehicle, and hydraulic rods one on both sides of the guide plate. An adjusting block is hinged to the bottom side of the hydraulic rod one, and a hydraulic rod two is hinged to the side of the two adjusting blocks that are close to each other. The top side of the hydraulic rod two is hinged to the guide plate, and a support block is rotatably connected to the outer wall of the adjusting block.
[0007] Furthermore, the anti-deviation component includes a crossbar located on the outer wall of the frame, and multiple connecting rods are uniformly fixed on the outer wall of the crossbar along the length direction. Limiting wheels are installed on the bottom side of the connecting rods by bolts, and the limiting wheels are embedded in the groove of the moving track and roll in cooperation with the groove wall.
[0008] Furthermore, a bolt is provided through the top side of the connecting rod, and a fixing nut is threaded to the end of the bolt. A sliding groove is provided on the outer wall of the frame, and the shank of the bolt is embedded in the sliding groove. The bolt can drive the connecting rod to slide and adjust along the sliding groove.
[0009] Furthermore, the second propulsion cylinder is embedded in the mounting cavities on both sides of the bottom of the pallet truck, and its output end is fixedly connected to the front end of the moving track through a fixed bracket, driving the moving track to extend and retract.
[0010] Furthermore, a rotating platform is fixedly installed at the output end of the propulsion cylinder. The rotating platform is embedded in the mounting groove on the inner wall of the front side of the pallet truck and can be adjusted by rotating along the Y-axis to realize the steering linkage between the guide vehicle and the pallet truck.
[0011] Furthermore, connectors are welded and fixed to the rear side of the pallet truck and the front and rear sides of the flatbed truck. The connectors have matching slots inside, and connecting blocks are provided on the inner walls of the slots. The connecting blocks can be detachably inserted into the slots of two adjacent connectors to detachably and fix the pallet truck and the flatbed truck.
[0012] This utility model has the following beneficial effects: 1. In this utility model, the self-propelled equipment train cooperates with the rotating platform at the output end of the propulsion cylinder through the guide component to realize the flexible steering linkage between the guide car and the pallet car. It can adapt to various underground routes without relying on the preset curvature of the track, greatly reducing the track adjustment cost and improving the adaptability of the transportation route.
[0013] 2. In this utility model, the self-moving equipment train uses a limiting wheel embedded in the groove of the moving track to roll and effectively suppress the lateral deviation of the vehicle body, significantly improving the driving stability of the equipment train on bumpy terrain and reducing the risk of derailment. Attached Figure Description
[0014] Figure 1 This is a perspective view of a self-propelled track-mounted equipment train for underground coal mines, as proposed in this utility model. Figure 2 This is a bottom structure diagram of a self-propelled track-mounted equipment train for underground coal mines, as proposed in this utility model. Figure 3 This utility model provides a structural diagram of a guide assembly for a self-propelled track-mounted equipment train used in underground coal mines. Figure 4This is a structural diagram of the limiting wheel of a self-propelled track-mounted equipment train for underground coal mines, as proposed in this utility model. Figure 5 This is a diagram of the moving track structure of a self-propelled track-mounted equipment train for use in underground coal mines, as proposed in this utility model.
[0015] Legend: 1. Guide vehicle; 2. Pallet vehicle; 3. Flatbed vehicle; 4. First propulsion cylinder; 5. Connector; 6. Connecting block; 7. Second propulsion cylinder; 8. Moving track; 9. Jack; 10. Crossbar; 11. Guide plate; 12. Adjusting block; 13. First hydraulic rod; 14. Second hydraulic rod; 15. Support block; 16. Frame; 17. Wheel; 18. Connecting rod; 19. Limiting wheel; 20. Fixing nut; 21. Slide groove. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Reference Figures 1-3 This utility model provides an embodiment of a self-propelled track-mounted equipment train for underground coal mines, comprising a guide car 1, a pallet car 2, and a flatbed car 3. A guide assembly is bolted to the front of the guide car 1. The guide assembly includes a guide plate 11 mounted on the front of the guide car 1. Hydraulic rods 13 are mounted on both sides of the guide plate 11. Adjusting blocks 12 are hinged to the bottom of the hydraulic rods 13. Hydraulic rods 14 are hinged to the adjacent side of the two adjusting blocks 12. The top side of the hydraulic rods 14 is hinged to the guide plate 11. A support block 15 is rotatably connected to the outer wall of the adjusting block 12. A propulsion cylinder 4 is mounted on the rear of the guide car 1. A rotating platform is fixedly mounted on the output end of the propulsion cylinder 4. The rotating platform is embedded in the mounting groove on the inner wall of the front of the pallet car 2 and can be rotated and adjusted along the Y-axis to realize the steering linkage between the guide car 1 and the pallet car 2.
[0018] Specifically, when the track ahead of the train deviates or needs to turn, hydraulic rod 13 on one side of the guide plate 11 at the front of the guide car 1 pushes the adjusting block 12 downward. Hydraulic rod 13 is mounted on both sides of the guide plate 11 via mounting brackets and has a left-right swinging amplitude. Hydraulic rod 24 simultaneously pushes the adjusting block 12 to move laterally. Hydraulic rod 13 and hydraulic rod 24 on the other side of the guide plate 11 drive the adjusting block 12 to adjust in the same direction. Then, the adjusting block 12 drives the support block 15 to contact the ground. The support block 15 rotates through a pivot to make its bottom surface contact the ground, thereby supporting the guide car 1. Then, hydraulic rod 24 rotates and retracts, driving the adjusting block 12 to support the ground. The guide car 1 is rotated and adjusted to complete the orientation adjustment. Then, the hydraulic rod 13 retracts to retract the support block 15 and lift it off the ground, facilitating the train's forward movement. At the same time, the propulsion cylinder 4 on the rear side of the guide car 1 pushes outward, driving the guide car 1 forward. The top of the guide car 1 is usually equipped with a limit structure, which is usually composed of a hydraulic cylinder. The hydraulic cylinder extends to fix the output end to the top of the track, thereby fixing the guide car 1 in place. Then, the propulsion cylinder 4 retracts inward, driving the pallet car 2 forward, thus completing the movement of the train. When there is a slope, the moving platform can adjust the angle of the propulsion cylinder 4 to avoid accidents to the guide car 1.
[0019] Reference Figures 3-5 Connectors 5 are welded and fixed to the rear side of pallet 2 and the front and rear sides of flatbed 3. Connectors 5 have matching slots inside, and connecting blocks 6 are provided on the inner wall of the slots. Connecting blocks 6 can be detachably inserted into the slots of two adjacent connectors 5 to detachably and fix the pallet 2 and flatbed 3. Four jacks 9 are installed on the left and right sides of flatbed 3 through fixed brackets. The bottom sides of flatbed 3 are bolted to the frame 16. Multiple wheels 17 are rotatably installed on the inner side of the frame 16. The frame 16 is connected to the moving rail 8 through the anti-deviation component. The front side of the moving rail 8 is provided with a second propulsion cylinder 7. The second propulsion cylinder 7 is embedded in the mounting cavity on both sides of the bottom of the pallet 2. Its output end is fixedly connected to the front end of the moving rail 8 through the fixed bracket to drive the moving rail 8 to extend and retract.
[0020] Specifically, when the pallet trolley 2 moves the flatbed trolley 3, the jacks 9 on both sides of the flatbed trolley 3 will lift the flatbed trolley 3. Then, the push cylinder 7 on the bottom side of the pallet trolley 2 will retract inward, driving the moving track 8 forward. Then, the jacks 9 will retract and lower the flatbed trolley 3. Then, the pallet trolley 2 will move forward, driving the flatbed trolley 3 forward. At the same time, the flatbed trolley 3 moves on the moving track 8 through the wheels 17 inside the bottom frame 16.
[0021] The anti-deviation assembly includes a crossbar 10 located on the outer wall of the frame 16. Multiple connecting rods 18 are evenly fixed along the length of the outer wall of the crossbar 10. Limiting wheels 19 are installed on the bottom side of the connecting rods 18 by bolts. The limiting wheels 19 are embedded in the groove of the moving track 8 and roll in cooperation with the groove wall. A bolt is provided through the top side of the connecting rod 18. A fixing nut 20 is threaded to the end of the bolt. A sliding groove 21 is opened on the outer wall of the frame 16. The shank of the bolt is embedded in the sliding groove 21, and the bolt can drive the connecting rod 18 to slide and adjust along the sliding groove 21.
[0022] Specifically, when the flatbed 3 is lifted, the connecting rod 18 on the crossbar 10 on the outer wall of the frame 16 will move downward on the slide groove 21, and at the same time, it will be engaged in the groove of the moving track 8 by the limiting wheel 19, so that the crossbar 10, the frame 16 and the moving track 8 are kept on the same axis. Then the flatbed 3 is lowered, and the connecting rod 18 is reset through the slide groove 21, so that the wheel 17 can be stably placed on the top of the moving track 8 to prevent deviation during the lifting process.
[0023] Working principle: When the track ahead of the train deviates or a turn is required, the hydraulic rod 13 on one side of the guide plate 11 at the front of the guide car 1 pushes the adjusting block 12 downward. Simultaneously, the hydraulic rod 14 pushes the adjusting block 12 laterally. The hydraulic rods 13 and 14 on the other side of the guide plate 11 drive the adjusting block 12 to adjust in the same direction. The adjusting block 12 then drives the support block 15 to contact the ground. The support block 15 rotates via a pivot, bringing its bottom surface into contact with the ground, thus supporting the guide car 1. The hydraulic rod 14 then retracts, causing the adjusting block 12 to rotate and adjust on the support block 15, thereby completing the orientation adjustment of the guide car 1. The hydraulic rod 13 then retracts, retracting the support block 15 and lifting it off the ground, facilitating the train's forward movement. Simultaneously, the propulsion cylinder 4 at the rear of the guide car 1 pushes outward, moving the guide car 1 forward. The propulsion cylinder 4 then... The jacks retract inward, propelling the pallet 2 forward. As the pallet 2 moves the flatbed 3, the jacks 9 on both sides of the flatbed 3 lift it up. When the flatbed 3 is raised, the connecting rod 18 on the crossbar 10 of the outer wall of the frame 16 moves downward on the slide groove 21, and simultaneously engages with the groove of the moving track 8 through the limiting wheel 19, keeping the crossbar 10, the frame 16, and the moving track 8 on the same axis. Then, the propulsion cylinder 7 on the bottom side of the pallet 2 retracts inward, propelling the moving track 8 forward. Subsequently, the jacks 9 retract and lower the flatbed 3, and the connecting rod 18 resets through the slide groove 21, allowing the wheel 17 to land stably on the top of the moving track 8. Then, the pallet 2 moves forward, propelling the flatbed 3 forward. At the same time, the flatbed 3 moves on the moving track 8 through the wheel 17 inside the bottom frame 16, thus completing the train's forward movement.
[0024] It is worth noting that the hydraulic rods, guards, and cylinders involved in the above embodiments all adopt corresponding existing technologies according to the actual situation, and therefore will not be described in detail in the embodiments of this application.
[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A self-propelled track-mounted equipment train for underground coal mines, characterized in that, The system includes a guide vehicle (1), a pallet vehicle (2), and a flatbed vehicle (3). The guide vehicle (1) has a guide assembly bolted to its front side and a propulsion cylinder (4) mounted on its rear side. The output end of the propulsion cylinder (4) is connected to the pallet vehicle (2). The flatbed vehicle (3) has four jacks (9) mounted on its left and right sides by fixed brackets. The flatbed vehicle (3) has a frame (16) bolted to its bottom sides. Multiple wheels (17) are rotatably mounted on the inner side of the frame (16). The frame (16) is connected to a moving track (8) by an anti-deviation assembly. A propulsion cylinder (7) is located on the front side of the moving track (8).
2. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: The guiding assembly includes a guide plate (11) installed on the front side of the guide vehicle (1). Hydraulic rods (13) are installed on both sides of the guide plate (11). An adjusting block (12) is hinged to the bottom side of the hydraulic rod (13). A hydraulic rod (14) is hinged to the side of the two adjusting blocks (12) on the same side. The top side of the hydraulic rod (14) is hinged to the guide plate (11). A support block (15) is rotatably connected to the outer wall of the adjusting block (12).
3. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: The anti-deviation assembly includes a crossbar (10) located on the outer wall of the frame (16). Multiple connecting rods (18) are uniformly fixed on the outer wall of the crossbar (10) along the length direction. A limiting wheel (19) is installed on the bottom side of the connecting rod (18) by bolts. The limiting wheel (19) is embedded in the groove of the moving track (8) and rolls with the groove wall.
4. The self-propelled track-mounted equipment train for underground coal mines according to claim 3, characterized in that: A bolt is provided through the top side of the connecting rod (18), and a fixing nut (20) is threaded to the end of the bolt. A groove (21) is provided on the outer wall of the frame (16). The rod of the bolt is embedded in the groove (21), and the bolt can drive the connecting rod (18) to slide and adjust along the groove (21).
5. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: The second propulsion cylinder (7) is installed in the mounting cavity on both sides of the bottom of the pallet truck (2). Its output end is fixedly connected to the front end of the moving track (8) through a fixed bracket, driving the moving track (8) to extend and retract.
6. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: The output end of the propulsion cylinder (4) is fixedly equipped with a rotating platform. The rotating platform is embedded in the mounting groove on the front inner wall of the pallet truck (2) and can be rotated and adjusted along the Y axis to realize the steering linkage between the guide vehicle (1) and the pallet truck (2).
7. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: Connectors (5) are welded and fixed to the rear side of the pallet cart (2) and the front and rear sides of the flatbed cart (3). The connector (5) has a matching slot inside, and a connecting block (6) is provided on the inner wall of the slot. The connecting block (6) can be detachably inserted into the slots of two adjacent connectors (5) to detachably and fixedly connect the pallet cart (2) and the flatbed cart (3).