A track self-moving device train for use in a coal mine underground and an operating method thereof

Abstract

This invention relates to the field of auxiliary transportation equipment in coal mines. To solve the transportation problems in underground coal mine roadways, it provides a self-propelled track-mounted equipment train for coal mines and its operation method. The train includes a first support, a first traction jack, a second support, a second traction jack, a flatbed car, and guide rails. The rear of the first simple support is connected to the front of the second simple support via the first traction jack, and the rear of the second simple support is connected to the front of the flatbed car via the second traction jack. Adjacent flatbed cars are connected by universal joints. The flatbed car is mounted on the guide rails, and the front end of the guide rails is hinged to the rear end of the second simple support. Adjacent guide rails are connected by universal joints. This invention features self-propelled guide rail movement, support alignment correction, derailment prevention, and runaway prevention, improving the efficiency and safety of the equipment train movement, reducing the number of alignment adjustments, shortening working time, reducing labor intensity, and improving work efficiency.

Description

Technical Field

[0001] This invention relates to the field of auxiliary transportation equipment in coal mines, and more specifically, to a self-propelled track-mounted equipment train for use in coal mines and its operation method. 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. Currently, most equipment trains use traditional winch wire rope traction. This traction method is prone to rope breakage, which can easily cause the equipment train to run away, posing a significant safety hazard. At the same time, during transportation, workers need to frequently lay tracks and perform traction operations, resulting in low work efficiency, high labor intensity, and significant inconvenience to production.

[0003] Therefore, it is necessary to improve existing technologies. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, a self-propelled equipment train for underground coal mines and its operation method are provided.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0006] A self-propelled track-mounted equipment train for underground coal mines includes a flatbed car and a guide rail, and includes a first support and a second support. Both the first support and the second support are equipped with a self-positioning mechanism. A first traction jack is provided between the first support and the second support. The flatbed car is set on the upper end of the guide rail. One end of the guide rail is hinged to the second support. The flatbed car and the second support are connected by a second traction jack.

[0007] The first support is equipped with an adjustment device, and the lower end of the flatbed is equipped with a drive device to control the lifting and lowering of the flatbed.

[0008] To prevent the flatbed trolley from derailing from the guide rail during lifting and lowering, anti-derailment devices are installed on both sides of the flatbed trolley. The anti-derailment devices include a sliding groove and an anti-derailment hook. The sliding groove is fixedly connected to the flatbed trolley, and the anti-derailment hook is slidably installed in the sliding groove. The lower end of the anti-derailment hook is fixedly connected to the rail, and the upper end of the anti-derailment hook extends towards the flatbed trolley and its width is greater than the width of the sliding groove.

[0009] Furthermore, the flatbed vehicle includes a vehicle body and wheels disposed on both sides of the vehicle body. The drive device is arranged in a vertical direction and its upper end is fixedly connected to the lower end of the vehicle body. A lifting seat is fixedly connected to the lower end of the drive device.

[0010] The driving device is a lifting jack, and four lifting jacks are provided, which are respectively located at the four corners of the bottom of the vehicle body.

[0011] To reliably fix the first support to the roadway, the first support includes a first base, a first folding support frame, a first support jack, and a first support platform. The bottom end of the first support jack is located on the upper end of the first base, and the telescopic end of the first support jack is fixedly connected to the bottom of the first support platform. The upper and lower ends of the first folding support frame are respectively hinged to the first support platform and the first base.

[0012] To reliably fix the first support to the roadway, the second support includes a second base, a second folding support frame, a second support jack, and a second support platform. The bottom end of the second support jack is located on the upper end of the second base, and the telescopic end of the second support jack is fixedly connected to the bottom of the second support platform. The upper and lower ends of the second folding support frame are respectively hinged to the second support platform and the second base.

[0013] To achieve the correction function, two adjustment devices are provided, one at the front end and the other at the rear end of the first base. The adjustment device includes a mounting frame, a bottom lifting jack, a bidirectional adjustment jack, a sliding seat, and a support base. The mounting frame is welded to the first base. Two bottom lifting jacks are provided. The fixed end of the bottom lifting jack is fixedly installed in the mounting frame, and the telescopic end of the bottom lifting jack is fixedly connected to the sliding seat. The bidirectional adjustment jack is located between the two bottom lifting jacks. The fixed end of the bidirectional adjustment jack is hinged to the support base, and the two telescopic ends of the bidirectional adjustment jack are hinged to the sliding seat. The sliding seat is slidably connected in the groove of the support base.

[0014] Furthermore, there are two of each of the first supporting jacks and the first folding support frame, with the two first folding support frames arranged in parallel.

[0015] Furthermore, there are two of each of the first and second traction jacks arranged side by side, and multiple flatbed trolleys and guide rails are provided. Adjacent flatbed trolleys are connected by universal joints, and adjacent guide rails are connected by universal joints.

[0016] A method for operating a self-propelled track-mounted equipment train used in underground coal mines, comprising:

[0017] S100. Control the first support jack on the first support to extend, so that the first support platform is pressed against the roadway roof. Control the second support jack on the second support to retract, so that the second support platform is disengaged from the roadway roof. Control the lifting jack on the flatbed car to extend, so that the lifting seat is pressed against the roadway floor and the flatbed car is lifted away from the guide rail. At this time, the flatbed car and the guide rail are relatively consistent in the left and right horizontal positions by the limit of the anti-derailment device to prevent the flatbed car from derailing when it descends. Control the first traction jack to retract and the second traction jack to extend, so that the second support and the guide rail move forward together. The guide rail and the flatbed car are limited by the anti-derailment device.

[0018] S200: After the first traction jack retracts and the second traction jack extends into position, control the second support jack on the second support to extend, so that the second support platform is pressed against the top wall of the roadway; control the lifting jack on the flatbed car to retract, so that the flatbed car contacts the guide rail and the lifting seat is separated from the bottom of the roadway; control the second traction jack to retract, so that the flatbed car moves forward along the guide rail.

[0019] S300: After the second traction jack retracts into position, control the first support jack on the first support to retract, so that the first support platform is separated from the roadway roof; control the first traction jack to extend, so that the first support moves forward, thereby completing one forward movement cycle of the equipment train.

[0020] Furthermore, in step S300, after the first traction jack extends into position, the distance between the front and rear sides of the first support and the sidewall of the roadway is measured to determine whether the forward direction of the equipment train has deviated. If there is a deviation, the lifting jack of the adjustment device is extended to lift the first support. The extension and retraction of the bidirectional adjustment jack are controlled to adjust the relative distance between the left and right sides of the first support, thereby completing the adjustment of the first support. After the adjustment is completed, the lifting jack is retracted to bring the first support to the ground.

[0021] The beneficial effects of this invention compared to the prior art are as follows:

[0022] 1. The present invention uses a first support and a second support to pull the equipment train together. During the traction process, one of the first support and the second support is always kept in close contact with the top wall of the tunnel, which ensures the stability of the equipment train when it moves, avoids excessive deviation of the equipment train in the forward direction during the forward movement, and reduces the number of times the equipment train needs to be adjusted.

[0023] 2. This invention connects the flatbed car with a universal joint and the guide rail with a universal joint, so that each flatbed car and guide rail can adapt to the up, down, left and right directions in the undulating tunnel during the movement, which reduces the resistance of the equipment train and is conducive to the overall movement of the equipment train.

[0024] 3. This invention uses a first traction jack and a second traction jack to pull the equipment train, preventing runaway accidents caused by wire rope breakage in traditional winch wire rope traction. By equipping the equipment train with its own guide rail, it avoids frequent track laying by workers and reduces their workload. By setting up an adjustment device, it realizes the function of correcting the forward direction of the equipment train. By setting up an anti-derailment device, when the flatbed car is lifted and the guide rail is pulled, the flatbed car and the guide rail remain relatively stationary in the left and right horizontal positions, preventing derailment accidents caused by the descent of the flatbed car.

[0025] 4. This invention features self-moving guide rails, bracket correction, derailment prevention, and runaway prevention, which improves the efficiency, stability, and safety of equipment train movement, reduces the number of times the equipment train needs to be adjusted in the forward direction, shortens working time, reduces labor intensity, and improves work efficiency. Attached Figure Description

[0026] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a structural diagram of the support frame and flatbed truck;

[0029] Figure 3 This is a schematic diagram of the alignment device.

[0030] Figure 4 This is a structural schematic diagram of the flatbed cart and guide rails;

[0031] In the diagram: 1-First support, 11-First base, 12-First folding support frame, 13-First support jack, 14-First support platform, 15-Adjustment device, 151-Housing mounting frame, 152-Lifting jack, 153-Two-way adjustment jack, 154-Sliding seat, 155-Support seat, 2-First traction jack, 3-Second support, 31-Second base, 32-Second folding support frame, 33-Second support jack, 34-Second support platform, 4-Second traction jack, 5-Flatbed car, 51-Car body, 52-Lifting jack, 53-Lifting seat, 54-Anti-derailment device, 541-Sliding groove, 542-Anti-disengagement hook, 6-Guide rail, 7-Universal cross connector, 8-Universal joint. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1:

[0034] like Figure 1 As shown, a self-propelled track-mounted equipment train for underground coal mines includes a first support 1, a first traction jack 2, a second support 3, a second traction jack 4, a flatbed car 5, and guide rails 6. The first support 1 and the second support 3 are arranged front and rear. Two first traction jacks 2 are arranged in parallel, and their front and rear ends are connected to the first support 1 and the second support 3, respectively. Two second traction jacks 4 are arranged. The rear of the second support 3 is connected to the front of the flatbed car 5 through the two parallel second traction jacks 4. Several flatbed cars 5 are arranged, and adjacent flatbed cars 5 are connected by universal joints 7. The flatbed cars 5 are mounted on the guide rails 6, and the number of guide rails 6 is the same as the number of flatbed cars 5. The front end of the guide rail 6 is hinged to the rear end of the second support 3, and adjacent guide rails 6 are connected by universal joints 8, so that each flatbed car 5 and guide rail 6 can adapt to the up, down, left, and right directions in the undulating roadway during movement, which is beneficial to the overall movement of the equipment train.

[0035] like Figure 1 and Figure 2 As shown, the first support 1 includes a first base 11, a first folding support frame 12, a first support jack 13, and a first support platform 14. There are two first folding support frames 12. One end of the first folding support frame 12 is hinged to the top front end of the first base 11, and the other end is hinged to the bottom front end of the first support platform 14. The two first folding support frames 12 are arranged in parallel. There are two first support jacks 13. The bottom end of the first support jack 13 is fixedly connected to the top rear end of the first base 11, and the telescopic end of the first support jack 13 is fixedly connected to the bottom rear end of the first support platform 14. The two first support jacks 13 are arranged in parallel.

[0036] The second support 3 has the same structure as the first support, including a second base 31, a second folding support frame 32, a second support jack 33, and a second support platform 34. There are two second folding support frames 32. One end of the second folding support frame 32 is hinged to the top front end of the second base 31, and the other end is hinged to the bottom front end of the second support platform 34. The two second folding support frames 32 are arranged in parallel. There are two second support jacks 33. The bottom end of the second support jack 33 is fixedly connected to the top rear end of the second base 31, and the telescopic end of the second support jack 33 is fixedly connected to the bottom rear end of the second support platform 34. The two second support jacks 33 are arranged in parallel.

[0037] like Figure 2 , Figure 3 As shown, there are two adjustment devices 15, which are welded to the front and rear ends of the first base 11 respectively. The devices include a mounting frame 151, a bottom lifting jack 152, a bidirectional adjustment jack 153, a sliding seat 154, and a support base 155. The mounting frame 151 is welded to the first base 11. There are two bottom lifting jacks 152. The fixed end of the bottom lifting jack 152 is fixedly installed in the mounting frame 151. The telescopic end of the bottom lifting jack is fixedly connected to the sliding seat 154. The bidirectional adjustment jack 153 is located between the two bottom lifting jacks 152. The fixed end of the bidirectional adjustment jack 151 is hinged to the support base 155. The two telescopic ends of the bidirectional adjustment jack 151 are hinged to the sliding seat 154. The sliding seat 154 is slidably connected to the groove of the support base 155.

[0038] like Figure 2 and Figure 4 As shown, the flatbed cart 5 includes a car body 51, lifting jacks 52, lifting seats 53, and anti-derailment devices 54. Four lifting jacks 52 are provided, with their telescopic ends fixedly installed at the four bottom corners of the car body 51. The bottom ends of the lifting jacks 52 are fixedly installed on the lifting seats 53. Two anti-derailment devices 54 are provided, welded to the left and right sides of the car body 51 respectively. Each anti-derailment device 54 includes a sliding groove 541 and anti-derailment hooks 542. The sliding groove 541 is welded to the car body 51. Two anti-derailment hooks 542 are U-shaped and are slidably arranged parallel within the groove of the sliding groove 541. One end of each anti-derailment hook 542 is fixedly connected to the outer groove of the guide rail 6, and the length of the other end of the anti-derailment hook 542 is greater than the width of the sliding groove 541.

[0039] Example 2:

[0040] A method for operating a self-propelled track-mounted equipment train in a coal mine includes: S100, controlling the first support jack 13 on the first support 1 to extend, so that the first support platform 14 is pressed against the roadway roof; controlling the second support jack 33 on the second support 3 to retract, so that the second support platform 34 is disengaged from the roadway roof; controlling the lifting jack 52 on the flatbed 5 to extend, so that the lifting seat 53 is pressed against the roadway bottom surface, and lifting the flatbed 5 away from the guide rail 6. At this time, the flatbed 5 and the guide rail 6 are relatively aligned in the left and right horizontal positions by the limit of the anti-derailment device 54 to prevent the flatbed 5 from derailing when it descends; controlling the first traction jack 2 to retract and the second traction jack 4 to extend, so that the second support 3 and the guide rail 6 move forward together, and the guide rail 6 and the flatbed 5 are limited by the anti-derailment device 54.

[0041] S200: After the first traction jack 2 retracts and the second traction jack 4 extends into position, control the second support jack 33 on the second support 3 to extend, so that the second support platform 34 is pressed against the roadway roof. Control the lifting jack 52 on the flatbed trolley 5 to retract, so that the flatbed trolley 5 contacts the guide rail 6 and the lifting seat 53 is disengaged from the roadway floor. Control the second traction jack 4 to retract, so that the flatbed trolley 5 moves forward along the guide rail 6.

[0042] S300: After the second traction jack 4 retracts into position, control the first support jack 13 on the first support 1 to retract, so that the first support platform 14 is separated from the roadway roof; control the first traction jack 2 to extend, so that the first support 1 moves forward, thereby completing one forward step cycle of the equipment train; after the first traction jack 2 extends into position, by measuring the distance between the front and rear sides of the first support 1 and the roadway sidewall, determine whether the forward direction of the equipment train has deviated. If there is a deviation, control the bottom lifting jack 152 of the adjustment device 15 to extend, lift the first support 1, control the extension and retraction of the bidirectional adjustment jack 153 to adjust the relative distance between the left and right sides of the first support 1, thereby completing the adjustment of the first support 1. After the adjustment is completed, control the bottom lifting jack 152 to retract, so that the first support 1 lands.

[0043] By repeating the above steps, the entire equipment train can be moved.

[0044] The above description only illustrates the preferred embodiments of the present invention. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention, and all such changes should be included within the protection scope of the present invention.

Claims

1. A self-propelled track-mounted equipment train for underground coal mines, comprising a flatbed car (5) and guide rails (6), characterized in that: It includes a first support (1) and a second support (3). Both the first support (1) and the second support (3) are equipped with a self-positioning mechanism. A first traction jack (2) is provided between the first support (1) and the second support (3). The flatbed cart (5) is set on the upper end of the guide rail (6). One end of the guide rail (6) is hinged to the second support (3). The flatbed cart (5) and the second support (3) are connected by a second traction jack (4). The first support (1) is equipped with an adjustment device (15), and the lower end of the flatbed (5) is equipped with a drive device for controlling the lifting and lowering of the flatbed (5). The flatbed (5) is provided with anti-derailment devices (54) on both sides. The anti-derailment device (54) includes a sliding groove (541) and an anti-derailment hook (542). The sliding groove (541) is fixedly connected to the flatbed (5). The anti-derailment hook (542) is slidably disposed in the sliding groove (541). The lower end of the anti-derailment hook (542) is fixedly connected to the guide rail (6). The upper end of the anti-derailment hook (542) extends towards the flatbed (5) and its width is greater than the width of the sliding groove (541). The first support (1) includes a first base (11), a first folding support frame (12), a first support jack (13) and a first support platform (14). The bottom end of the first support jack (13) is located on the upper end of the first base (11). The telescopic end of the first support jack (13) is fixedly connected to the bottom of the first support platform (14). The upper and lower ends of the first folding support frame (12) are respectively hinged to the first support platform (14) and the first base (11). The second support (3) includes a second base (31), a second folding support frame (32), a second support jack (33), and a second support platform (34). The bottom end of the second support jack (33) is located on the upper end of the second base (31). The telescopic end of the second support jack (33) is fixedly connected to the bottom of the second support platform (34). The upper and lower ends of the second folding support frame (32) are respectively hinged to the second support platform (34) and the second base (31).

2. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: The flatbed vehicle (5) includes a vehicle body (51) and wheels on both sides of the vehicle body (51). The drive device is arranged in a vertical direction and its upper end is fixedly connected to the lower end of the vehicle body (51). A lifting seat (53) is fixedly connected to the lower end of the drive device. The driving device is a lifting jack (52), and four lifting jacks (52) are provided. The four lifting jacks (52) are respectively located at the four corners of the bottom of the vehicle body (51).

3. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: Two adjustment devices (15) are provided and are respectively located at the front and rear ends of the first base (11). The adjustment device (15) includes a mounting bracket (151), a bottom lifting jack (152), a bidirectional adjustment jack (153), a sliding seat (154), and a support base (155). The mounting bracket (151) is welded to the first base (11). Two bottom lifting jacks (152) are provided. The fixed end of the bottom lifting jack (152) is fixed. The jack is fixedly installed in the mounting bracket (151). The telescopic end of the jack is fixedly connected to the sliding seat (154). The bidirectional jack (153) is set between the two jacks (152). The fixed end of the bidirectional jack (153) is hinged to the support seat (155). The two telescopic ends of the bidirectional jack (153) are hinged to the sliding seat (154). The sliding seat (154) is slidably connected in the groove of the support seat (155).

4. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: There are two of the first support jack (13) and the first folding support frame (12), and the two first folding support frames (12) are arranged in parallel.

5. The self-propelled track-mounted equipment train for underground coal mines according to claim 1, characterized in that: There are two of the first traction jack (2) and the second traction jack (4) arranged side by side. There are multiple flatbed carts (5) and guide rails (6). Adjacent flatbed carts (5) are connected by universal joints (7), and adjacent guide rails (6) are connected by universal joints (8).

6. A method for operating a self-propelled track-mounted equipment train for underground coal mines as described in any one of claims 1 to 5, characterized in that, include: S100. Control the first support jack (13) on the first support (1) to extend, so that the first support platform (14) is pressed against the top wall of the roadway. Control the second support jack (33) on the second support (3) to retract, so that the second support platform (34) is separated from the top wall of the roadway. Control the lifting jack (52) on the flatbed (5) to extend, so that the lifting seat (53) is pressed against the bottom surface of the roadway, and lift the flatbed (5) away from the guide rail (6). At this time, the flatbed (5) and the guide rail (6) are relatively consistent in the left and right horizontal positions through the limit of the anti-derailment device (54) to prevent the flatbed (5) from derailing when it descends. Control the first traction jack (2) to retract and the second traction jack (4) to extend, so that the second support (3) and the guide rail (6) move forward together. The guide rail (6) and the flatbed (5) are limited by the anti-derailment device (54). S200. After the first traction jack (2) retracts and the second traction jack (4) extends into position, control the second support jack (33) on the second support (3) to extend, so that the second support platform (34) is pressed against the top wall of the roadway. Control the lifting jack (52) on the flatbed (5) to retract, so that the flatbed (5) contacts the guide rail (6) and the lifting seat (53) is separated from the bottom of the roadway. Control the second traction jack (4) to retract, so that the flatbed (5) moves forward along the guide rail (6). S300 After the second traction jack (4) is retracted into place, control the first support jack (13) on the first support (1) to retract, so that the first support platform (14) is separated from the roadway top wall; control the first traction jack (2) to extend, so that the first support (1) moves forward, thereby completing one forward step cycle of the equipment train.

7. The method for operating a self-propelled track-mounted equipment train for underground coal mines according to claim 6, characterized in that: In S300, after the first traction jack (2) extends into position, the distance between the front and rear sides of the first support (1) and the side wall of the roadway is measured to determine whether the forward direction of the equipment train has deviated. If there is a deviation, the bottom lifting jack (152) of the adjustment device (15) is extended to lift the first support (1). The extension and retraction of the bidirectional adjustment jack (153) is controlled to adjust the relative distance between the left and right sides of the first support (1), thereby completing the adjustment of the first support (1). After the adjustment is completed, the bottom lifting jack (152) is controlled to retract to bring the first support (1) to the ground.

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