Rail type underground electromechanical equipment transportation device

Abstract

The invention discloses a rail type underground electromechanical equipment transportation device, and relates to the technical field of electromechanical equipment transportation. Comprising a rail frame body installed at the underground top, a suspension frame is movably installed on the rail frame body, a carriage frame plate is fixedly installed on the side end face of the suspension frame, a positioning frame plate is fixedly installed on the inner side face of the carriage frame plate, a hydraulic cylinder is fixedly installed on the positioning frame plate, and a lower pressing plate is fixedly installed on an output shaft of the hydraulic cylinder. A lower pressing frame rod is fixedly installed on the side end face of the lower pressing plate, and a positioning assembly is arranged on the carriage frame plate. Through cooperative use of the positioning assembly and the auxiliary assembly, the loading, unloading and transporting processes of the electromechanical equipment are optimized, the carrying efficiency and the equipment stability of the electromechanical equipment are improved, the stability of the equipment in the transporting process is ensured, the manual operation risk is reduced, and the overall performance and safety of the underground transporting device are improved; and the using effect of the transportation device is greatly improved.

Description

Technical Field

[0001] This invention relates to the field of electromechanical equipment transportation technology, specifically a track-type underground electromechanical equipment transportation device. Background Technology

[0002] A track-mounted underground equipment transport system is a type of equipment used for underground transportation in mines. It primarily transports mechanical and electrical equipment, tools, and materials to various work locations within the mine via a track system. This system typically includes components such as an electric motor, tracks, and transport vehicles. The electric motor drives the transport vehicles along the tracks, transporting heavy equipment and materials from the mine entrance to the underground work area. The advantages of track-mounted underground transport systems include improved efficiency in mine operations, reduced manual handling workload, enhanced safety for equipment and personnel, and flexible operation even in the confined environment of underground mines. This system is commonly used in underground resource extraction fields such as coal mines and metal mines, and is an important component of underground mine transportation.

[0003] Currently, the transportation of electromechanical equipment largely relies on manual handling, especially when moving equipment into transport vehicles. This process is labor-intensive and inefficient. Manual handling is not only time-consuming but also prone to damage or improper handling due to improper operation or environmental complexity, increasing additional risks and costs. After handling, the equipment inside the vehicle needs to be manually secured, positioned, and fixed to ensure it doesn't shake or move during transport. This process is both time-consuming and labor-intensive, and cannot guarantee the stability of the equipment during transport, thus affecting the safety and efficiency of the transportation. Existing technological solutions in this regard often lack automated and efficient fixing measures, cannot effectively reduce manual intervention, and have significant room for improvement in equipment loading and unloading, and stability control. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a track-mounted underground electromechanical equipment transportation device, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A track-type underground electromechanical equipment transportation device includes a track frame installed at the top of the mine shaft, a suspension frame movably mounted on the track frame, a carriage frame plate fixedly mounted on the side end face of the suspension frame, a positioning frame plate fixedly mounted on the inner side face of the carriage frame plate, a hydraulic cylinder fixedly mounted on the positioning frame plate, a lower pressure plate fixedly mounted on the output shaft of the hydraulic cylinder, a lower pressure frame rod fixedly mounted on the side end face of the lower pressure plate, and a positioning component provided on the carriage frame plate. A support frame plate is fixedly installed on the carriage frame plate, and an auxiliary component is provided on the support frame plate. The auxiliary component is provided with left and right fixed plates and front and rear V plates.

[0006] Preferably, the positioning component includes a rotating fixed groove formed at the bottom of the carriage frame plate, a lower rotating fixed shaft rotatably mounted inside the rotating fixed groove, a V-shaped base plate fixedly mounted on the lower rotating fixed shaft, a lower connecting fixed groove formed at one end of the V-shaped base plate, a lower connecting rotating shaft rotatably mounted inside the lower connecting fixed groove, a positioning push rod fixedly mounted on the lower connecting rotating shaft, and an upper connecting fixed groove formed at the end of the lower pressure frame rod, an upper connecting rotating shaft rotatably mounted inside the upper connecting fixed groove.

[0007] Preferably, the side end face of the carriage frame plate is provided with a vertical groove, the positioning frame plate is slidably installed with the vertical groove, the positioning push rod is located on the outside of the carriage frame plate, the end of the positioning push rod away from the lower connecting shaft is fixedly installed with the upper connecting shaft, the positioning push rod is inclined, and the other end of the V-shaped bottom plate is in the same vertical direction as the carriage frame plate.

[0008] Preferably, the auxiliary component includes an auxiliary crossbar fixedly installed on the lower pressure frame rod, an auxiliary inclined plate fixedly installed on the auxiliary crossbar, an auxiliary sliding groove provided on the inner side of the auxiliary inclined plate, and an auxiliary push rod slidably installed on the support frame plate.

[0009] Preferably, a limit baffle is fixedly installed on the auxiliary push rod, and an auxiliary baffle is fixedly installed on the auxiliary push rod and on one side of the limit baffle, and an auxiliary spring is fixedly connected to the auxiliary baffle.

[0010] Preferably, the limiting baffle is located inside the support frame plate, the auxiliary baffle is located outside the support frame plate, the auxiliary spring is located outside the auxiliary push rod, the end of the auxiliary spring away from the auxiliary baffle is fixedly connected to the support frame plate, and the left and right fixed plates are fixedly installed on the auxiliary push rod.

[0011] Preferably, two symmetrically arranged L-shaped fixed rods are fixedly installed on the outer side of the carriage frame plate, and auxiliary fixed shafts are fixedly installed on the two L-shaped fixed rods. An installation shaft is rotatably installed on one end of the front and rear V-plates, and an installation push rod is fixedly installed on the installation shaft.

[0012] Preferably, an L-shaped pressure rod is fixedly installed on the upper end face of the lower pressure plate, and a mounting groove is opened at the end of the L-shaped pressure rod away from the lower pressure plate, and a positioning rotating shaft is fixedly installed inside the mounting groove.

[0013] Preferably, the front and rear V-plates are rotatably mounted on the auxiliary fixed shaft, the end of the mounting push rod away from the mounting shaft is rotatably mounted to the positioning shaft, the mounting push rod is arranged at an angle, and the L-shaped pressure rod is positioned above the positioning frame plate.

[0014] This invention provides a track-mounted underground electromechanical equipment transportation device. Compared with the prior art, it has the following advantages: 1. This invention moves the entire carriage frame to a suitable position via a suspension frame on the track frame. The electromechanical equipment to be transferred is placed under the carriage frame. A hydraulic cylinder drives the lower pressure plate to descend. The lower pressure frame rod on the lower pressure plate drives the positioning push rod to move synchronously via the upper connecting shaft. With the cooperation of the positioning push rod and the lower connecting shaft on the V-shaped bottom plate, the V-shaped bottom plate will rotate inward by the limit of the lower fixed shaft. The lifting action of the V-shaped bottom plate makes it easy to lift the electromechanical equipment into the carriage frame. The function of the V-shaped bottom plate 13 can effectively load and unload electromechanical equipment, improving the handling effect and efficiency of electromechanical equipment. 2. In this invention, when the pressure frame rod is lowered, it will drive the auxiliary inclined plate to descend synchronously through the auxiliary crossbar. By utilizing the sliding compression of the auxiliary groove and the auxiliary push rod on the auxiliary inclined plate, the auxiliary push rod on the support frame plate will move inward. Then, by utilizing the reaction force of the auxiliary spring on the auxiliary push rod, it is easy to drive the left and right fixed plates to provide top support for the side of the electromechanical equipment, ensuring the stability of the electromechanical equipment in the carriage frame plate and improving the stability of the electromechanical equipment during transportation. 3. In this invention, as the pressure plate descends, it synchronously drives the L-shaped pressure rod to move. The mounting slot on the L-shaped pressure rod synchronously drives the mounting push rod on the positioning shaft to move. By utilizing the cooperation between the mounting push rod and the mounting shaft on the front and rear V-plates, the front and rear V-plates will rotate at an angle around the auxiliary fixed shaft. The pushing and squeezing of the front and rear V-plates can effectively secure the sides of the electromechanical equipment, further ensuring the stability of the electromechanical equipment in the carriage frame and effectively improving the performance of the transportation device.

[0015] 4. This invention optimizes the loading, unloading, and transportation process of electromechanical equipment through the combined use of positioning components and auxiliary components, improves the handling efficiency and stability of electromechanical equipment, ensures the stability of equipment during transportation, reduces the risk of manual operation, enhances the overall performance and safety of the underground transportation device, and greatly improves the effectiveness of the transportation device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure from a first perspective in this invention; Figure 2 This is a schematic diagram of the overall structure from a second perspective in this invention; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the structure of the carriage frame plate in this invention; Figure 5 for Figure 4 Enlarged view of point B in the middle; Figure 6This is a schematic diagram of the L-shaped fixed rod in this invention; Figure 7 This is a schematic diagram of the V-shaped base plate in this invention; Figure 8 This is a schematic diagram of the front and rear V-plates in this invention.

[0017] In the diagram: 1. Track frame; 2. Suspension frame; 3. Carriage frame plate; 4. Positioning frame plate; 5. Hydraulic cylinder; 6. Lower pressure plate; 7. Lower pressure rod; 8. Support frame plate; 9. Left and right fixed plates; 10. Front and rear V-plates; 11. Rotating fixed groove; 12. Lower rotating fixed shaft; 13. V-shaped base plate; 14. Lower connecting fixed groove; 15. Lower connecting rotating shaft; 16. Positioning push rod; 17. Upper connecting fixed groove; 18. Upper connecting rotating shaft; 19. Vertical groove; 20. Auxiliary crossbar; 21. Auxiliary inclined plate; 22. Auxiliary slide; 23. Auxiliary push rod; 24. Limiting baffle; 25. Auxiliary baffle; 26. Auxiliary spring; 27. L-shaped fixed rod; 28. Auxiliary fixed shaft; 29. ​​Mounting rotating shaft; 30. Mounting push rod; 31. L-shaped pressure rod; 32. Mounting fixed groove; 33. Positioning rotating shaft. Detailed Implementation

[0018] 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.

[0019] Please see Figures 1-8This invention relates to a track-type underground electromechanical equipment transportation device, comprising a track frame 1 installed at the top of the underground structure, a suspension frame 2 movably mounted on the track frame 1, a carriage frame plate 3 fixedly mounted on the side end face of the suspension frame 2, a positioning frame plate 4 fixedly mounted on the inner side face of the carriage frame plate 3, a hydraulic cylinder 5 fixedly mounted on the positioning frame plate 4, a lower pressure plate 6 fixedly mounted on the output shaft of the hydraulic cylinder 5, a lower pressure rod 7 fixedly mounted on the side end face of the lower pressure plate 6, a positioning component provided on the carriage frame plate 3, a support frame plate 8 fixedly mounted on the carriage frame plate 3, an auxiliary component provided on the support frame plate 8, and left and right fixed plates 9 and front and rear V-plates 10 provided on the auxiliary component. The positioning component includes a rotating fixed groove 11 opened at the bottom of the carriage frame plate 3, a lower rotating fixed shaft 12 rotatably mounted inside the rotating fixed groove 11, a V-shaped bottom plate 13 fixedly mounted on the lower rotating fixed shaft 12, and a lower connecting fixed groove 14 opened at one end of the V-shaped bottom plate 13. A lower connecting shaft 15 is rotatably installed inside the 14th frame, and a positioning push rod 16 is fixedly installed on the lower connecting shaft 15. An upper connecting groove 17 is opened at the end of the lower pressure frame rod 7, and an upper connecting shaft 18 is rotatably installed inside the upper connecting groove 17. A vertical groove 19 is opened on the side end face of the carriage frame plate 3. The positioning frame plate 4 is slidably installed with the vertical groove 19. The positioning push rod 16 is located on the outside of the carriage frame plate 3. The end of the positioning push rod 16 away from the lower connecting shaft 15 is fixedly installed with the upper connecting shaft 18. The positioning push rod 16 is arranged at an angle. The other end of the V-shaped bottom plate 13 is in the same vertical direction as the carriage frame plate 3. The angle of rotation of the V-shaped bottom plate 13 is ninety degrees, so that the V-shaped bottom plate 13 is on the horizontal plane, which facilitates the bottom support of the electromechanical equipment and ensures that the electromechanical equipment is inside the carriage frame plate 3. At the same time, the number of hydraulic cylinders 5 in this solution can be installed according to the needs of personnel to ensure that the lower pressure plate 6 can be raised and lowered smoothly.

[0020] In this embodiment, the entire carriage frame 3 is moved to a suitable position by the suspension frame 2 on the track frame 1. The electromechanical equipment to be transferred is placed under the carriage frame 3. The lower pressure plate 6 is driven to descend by the hydraulic cylinder 5. The lower pressure frame rod 7 on the lower pressure plate 6 will drive the positioning push rod 16 to move synchronously through the upper connecting shaft 18. With the cooperation of the positioning push rod 16 and the lower connecting shaft 15 on the V-shaped bottom plate 13, the V-shaped bottom plate 13 will rotate inward by the limit of the lower rotating fixed shaft 12. The lifting action of the V-shaped bottom plate 13 makes it easy to lift the electromechanical equipment into the interior of the carriage frame 3. The function of the V-shaped bottom plate 13 can effectively load and unload electromechanical equipment, improving the handling effect and efficiency of electromechanical equipment.

[0021] The auxiliary components include an auxiliary crossbar 20 fixedly mounted on the lower pressure frame rod 7, an auxiliary inclined plate 21 fixedly mounted on the auxiliary crossbar 20, an auxiliary sliding groove 22 formed on the inner side of the auxiliary inclined plate 21, an auxiliary push rod 23 slidably mounted on the support frame plate 8, a limit baffle 24 fixedly mounted on the auxiliary push rod 23, an auxiliary baffle 25 fixedly mounted on the auxiliary push rod 23 and on one side of the limit baffle 24, an auxiliary spring 26 fixedly connected to the auxiliary baffle 25, the limit baffle 24 being located inside the support frame plate 8, and the auxiliary baffle 25 being located on the inner side of the support frame plate 8. On the outside of the support plate 8, the auxiliary spring 26 is located outside the auxiliary push rod 23. The end of the auxiliary spring 26 away from the auxiliary baffle 25 is fixedly connected to the support plate 8. The left and right fixed plates 9 are fixedly installed on the auxiliary push rod 23. When the pressing rod 7 returns to its original position, the force of the auxiliary spring 26 will cause the displaced auxiliary push rod 23 to return to its original position. At the same time, the limiting baffle 24 and the auxiliary baffle 25 can limit the displacement distance of the auxiliary push rod 23 and prevent the auxiliary push rod 23 from falling off.

[0022] In this embodiment, when the pressure frame rod 7 is descending, it will drive the auxiliary inclined plate 21 to descend synchronously through the auxiliary crossbar 20. By utilizing the sliding compression of the auxiliary slide groove 22 and the auxiliary push rod 23 on the auxiliary inclined plate 21, the auxiliary push rod 23 on the support frame plate 8 will move inward. Then, by utilizing the reaction force of the auxiliary spring 26 on the auxiliary push rod 23, it is easy to drive the left and right fixed plates 9 to provide top support for the side of the electromechanical equipment, ensuring the stability of the electromechanical equipment in the carriage frame plate 3 and improving the stability of the electromechanical equipment during transportation.

[0023] Two symmetrically arranged L-shaped fixed rods 27 are fixedly installed on the outer side of the carriage frame plate 3. An auxiliary fixed shaft 28 is fixedly installed on the two L-shaped fixed rods 27. An installation shaft 29 is rotatably installed on one end of the front and rear V plates 10. An installation push rod 30 is fixedly installed on the installation shaft 29. An L-shaped pressure rod 31 is fixedly installed on the upper end of the lower pressure plate 6. An installation groove 32 is opened at the end of the L-shaped pressure rod 31 away from the lower pressure plate 6. A positioning shaft 33 is fixedly installed inside the installation groove 32. The front and rear V plates 10 are rotatably installed on the auxiliary fixed shaft 28. The end of the installation push rod 30 away from the installation shaft 29 is rotatably installed with the positioning shaft 33. The installation push rod 30 is inclined. The L-shaped pressure rod 31 is positioned above the positioning frame plate 4. The front and rear V plates 10 are rotatably installed with the two L-shaped fixed rods 27. The limiting effect of the two L-shaped fixed rods 27 ensures that the front and rear V plates 10 will not shift position when rotating.

[0024] In this embodiment, as the pressure plate 6 descends, it synchronously drives the L-shaped pressure rod 31 to move. The mounting slot 32 on the L-shaped pressure rod 31 synchronously drives the mounting push rod 30 on the positioning shaft 33 to move. With the cooperation of the mounting push rod 30 and the mounting shaft 29 on the front and rear V plates 10, the front and rear V plates 10 will rotate at an angle around the auxiliary fixed shaft 28. The pushing and squeezing of the front and rear V plates 10 can effectively fix the sides of the electromechanical equipment, further ensuring the stability of the electromechanical equipment in the carriage frame 3, and effectively improving the use effect of the transportation device.

[0025] Working Principle: In use, the track frame 1 is installed on the top of the tunnel. The suspension frame 2 on the track frame 1 moves the entire car frame 3 to a suitable position. The electromechanical equipment to be transferred is placed under the car frame 3. The hydraulic cylinder 5 drives the lower pressure plate 6 to descend. The lower pressure rod 7 on the lower pressure plate 6 will drive the positioning push rod 16 to move synchronously through the upper connecting shaft 18. With the cooperation of the positioning push rod 16 and the lower connecting shaft 15 on the V-shaped bottom plate 13, the V-shaped bottom plate 13 will rotate inward through the limit of the lower rotating fixed shaft 12. The lifting action of the V-shaped bottom plate 13 makes it easy to lift the electromechanical equipment into the interior of the car frame 3. The function of the V-shaped bottom plate 13 can effectively load and unload electromechanical equipment. When the lower pressure rod 7 descends, it will drive the auxiliary inclined plate 21 to descend synchronously through the auxiliary crossbar 20. The auxiliary sliding groove 22 on the auxiliary inclined plate 21 and the auxiliary push rod 25 can then be used to lift the electromechanical equipment into the interior of the car frame 3. The sliding compression of rod 23 causes the auxiliary push rod 23 on the support frame plate 8 to move inward. Then, the reaction force of the auxiliary spring 26 on the auxiliary push rod 23 facilitates the left and right fixed plates 9 to provide support and fixation to the sides of the electromechanical equipment, ensuring the stability of the electromechanical equipment within the carriage frame plate 3 and improving the stability of the electromechanical equipment during transportation. When the pressure plate 6 descends, it will simultaneously drive the L-shaped pressure rod 31 to move. The mounting slot 32 on the L-shaped pressure rod 31 will simultaneously drive the mounting push rod 30 on the positioning shaft 33 to move. With the cooperation of the mounting push rod 30 and the mounting shaft 29 on the front and rear V plates 10, the front and rear V plates 10 will rotate at an angle around the auxiliary fixed shaft 28. The pushing and squeezing of the front and rear V plates 10 can effectively fix the sides of the electromechanical equipment, further ensuring the stability of the electromechanical equipment within the carriage frame plate 3 and effectively improving the performance of the transportation device.

[0026] In this design, the V-angles of the front and rear V-plates 10 and the V-shaped base plate 13 are different. These angles can be adjusted according to the needs of the personnel to ensure that the front and rear V-plates 10 and the V-shaped base plate 13 can achieve their respective functional effects.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A track-type underground electromechanical equipment transportation device, comprising a track frame (1) installed at the top of the mine shaft, characterized in that: A suspension frame (2) is movably installed on the track frame (1). A carriage frame plate (3) is fixedly installed on the side end face of the suspension frame (2). A positioning frame plate (4) is fixedly installed on the inner side of the carriage frame plate (3). A hydraulic cylinder (5) is fixedly installed on the positioning frame plate (4). A lower pressure plate (6) is fixedly installed on the output shaft of the hydraulic cylinder (5). A lower pressure rod (7) is fixedly installed on the side end face of the lower pressure plate (6). A positioning component is provided on the carriage frame plate (3). A support frame plate (8) is fixedly installed on the carriage frame plate (3). An auxiliary component is provided on the support frame plate (8). The auxiliary component is provided with left and right fixed plates (9) and front and rear V plates (10).

2. The track-mounted underground electromechanical equipment transportation device according to claim 1, characterized in that: The positioning component includes a rotating fixed groove (11) opened at the bottom of the carriage frame plate (3), a lower rotating fixed shaft (12) is rotatably installed inside the rotating fixed groove (11), a V-shaped base plate (13) is fixedly installed on the lower rotating fixed shaft (12), a lower connecting fixed groove (14) is opened at one end of the V-shaped base plate (13), a lower connecting rotating shaft (15) is rotatably installed inside the lower connecting fixed groove (14), a positioning push rod (16) is fixedly installed on the lower connecting rotating shaft (15), an upper connecting fixed groove (17) is opened at the end of the lower pressure frame rod (7), and an upper connecting rotating shaft (18) is rotatably installed inside the upper connecting fixed groove (17).

3. The track-mounted underground electromechanical equipment transportation device according to claim 2, characterized in that: The side end face of the carriage frame plate (3) is provided with a vertical groove (19). The positioning frame plate (4) is slidably installed with the vertical groove (19). The positioning push rod (16) is located on the outside of the carriage frame plate (3). The end of the positioning push rod (16) away from the lower connecting shaft (15) is fixedly installed with the upper connecting shaft (18). The positioning push rod (16) is arranged at an angle. The other end of the V-shaped bottom plate (13) is in the same vertical direction as the carriage frame plate (3).

4. The track-mounted underground electromechanical equipment transportation device according to claim 2, characterized in that: The auxiliary components include an auxiliary crossbar (20) fixedly installed on the lower pressure frame (7), an auxiliary inclined plate (21) fixedly installed on the auxiliary crossbar (20), an auxiliary sliding groove (22) is provided on the inner side of the auxiliary inclined plate (21), and an auxiliary push rod (23) is slidably installed on the support frame plate (8).

5. A track-type underground electromechanical equipment transportation device according to claim 4, characterized in that: A limiting baffle (24) is fixedly installed on the auxiliary push rod (23), and an auxiliary baffle (25) is fixedly installed on the auxiliary push rod (23) and on one side of the limiting baffle (24). An auxiliary spring (26) is fixedly connected to the auxiliary baffle (25).

6. A track-type underground electromechanical equipment transportation device according to claim 5, characterized in that: The limiting baffle (24) is located inside the support frame plate (8), the auxiliary baffle (25) is located outside the support frame plate (8), the auxiliary spring (26) is located outside the auxiliary push rod (23), the end of the auxiliary spring (26) away from the auxiliary baffle (25) is fixedly connected to the support frame plate (8), and the left and right fixed plates (9) are fixedly installed on the auxiliary push rod (23).

7. A track-type underground electromechanical equipment transportation device according to claim 5, characterized in that: Two symmetrically arranged L-shaped fixed rods (27) are fixedly installed on the outer side of the carriage frame plate (3). An auxiliary fixed shaft (28) is fixedly installed on the two L-shaped fixed rods (27). An installation shaft (29) is rotatably installed on one end of the front and rear V plates (10). An installation push rod (30) is fixedly installed on the installation shaft (29).

8. A track-type underground electromechanical equipment transportation device according to claim 7, characterized in that: An L-shaped pressure rod (31) is fixedly installed on the upper end face of the lower pressure plate (6). An installation groove (32) is opened at the end of the L-shaped pressure rod (31) away from the lower pressure plate (6). A positioning rotating shaft (33) is fixedly installed inside the installation groove (32).

9. A track-mounted underground electromechanical equipment transportation device according to claim 8, characterized in that: The front and rear V plates (10) are rotatably mounted on the auxiliary fixed shaft (28). The end of the mounting push rod (30) away from the mounting shaft (29) is rotatably mounted with the positioning shaft (33). The mounting push rod (30) is arranged at an angle. The L-shaped pressure rod (31) is positioned above the positioning frame plate (4).

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