Slope reinforcement construction equipment

By designing a slope reinforcement construction equipment that can reciprocate horizontally, the problem of difficult to break hard rocks during drilling in the prior art is solved, and the drilling efficiency and reinforcement effect are improved.

CN119686639APending Publication Date: 2025-03-25CHONGQING LIJUN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202411923110.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The existing slope reinforcement technology is difficult to effectively crush underground hard rocks during drilling, resulting in insufficiency of drilling.

Method used

A slope reinforcement construction equipment is designed, using a mobile base and a drilling rig mechanism. The drill rod can not only rotate, but also reciprocate in a horizontal direction. The pulley drive mechanism drives the pulley, so that the drill rod can reciprocate and break hard rocks when drilling.

Benefits of technology

Improve drilling efficiency and can more effectively crush underground hard rocks, thereby optimizing the slope reinforcement construction process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of slope construction, and particularly relates to slope reinforcing construction equipment which comprises a movable base and a drilling machine mechanism, a mounting platform is hinged to the movable base, a transverse sliding rail is machined on the mounting platform, the transverse sliding rail is connected with a tackle, and a tackle driving mechanism is mounted on the mounting platform. The drilling machine mechanism comprises a first motor, a drilling rod, a connecting assembly and a reciprocating driving assembly, the first motor is provided with a sleeve, the connecting assembly comprises a sleeve rod, a sliding plate and a bearing, the sleeve is provided with a first transverse positioning groove, and the sleeve rod is provided with a first positioning sliding block; the tackle is provided with a plurality of transverse positioning rods, the sleeve rod is fixed to the drill rod, and the reciprocating driving assembly is installed at the bottom of the tackle. When the equipment disclosed by the invention is used for drilling construction operation, the drill rod not only can rotate, but also can do transverse reciprocating motion, and the reciprocating motion of the drill rod can further impact and crush underground hard rocks in a reciprocating manner.
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Description

Technical Field

[0001] The invention belongs to the technical field of slope construction, and in particular relates to slope reinforcement construction equipment. Background Art

[0002] In the slope reinforcement operation, the existing means include reinforcing the slope by driving multiple anchor rods into the slope surface and installing reinforcement beams by the anchor rods. When driving the anchor rods into the slope surface, it is necessary to go through the operation steps of "slope compaction and trimming - hole positioning - drilling - wind pressure hole cleaning - anchor rod placement - concrete pouring". When drilling with a drill, the existing means is to set up multi-layer scaffolding and place the drill on the scaffolding to drill holes at different heights.

[0003] In order to avoid the large amount of manual work of setting up scaffolding and optimize the drilling operation, the prior art discloses a lot of drilling rigs set up using mobile frames. A winch is installed on the top of the slope to pull the mobile frame and the drilling rig up along the slope, so that holes can be drilled at different heights on the slope. Based on this prior art, we found that there are few structures in these prior arts that break the underground hard rock during the drilling process. For this reason, we propose a slope reinforcement construction equipment. Summary of the invention

[0004] The purpose of the present invention is to provide a slope reinforcement construction equipment to solve the problems existing in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0006] A slope reinforcement construction equipment, comprising a mobile base and a drilling mechanism, wherein a mounting platform is hingedly connected to the front end of the mobile base, a transverse slide rail is processed on the upper side of the mounting platform, a pulley is slidably connected to the transverse slide rail, a pulley driving mechanism is installed on the mounting platform, and an angle adjustment mechanism is arranged between the rear end of the mounting platform and the mobile base;

[0007] The drilling mechanism includes a first motor, a drill rod, a connecting assembly and a reciprocating drive assembly, the first motor is fixedly installed on the pulley, a sleeve is provided at the output end of the first motor, the connecting assembly includes a sleeve rod, a slide plate and a bearing, the sleeve rod is slidably sleeved on the inner side of the sleeve, the sleeve is provided with a first transverse positioning groove, the sleeve rod is provided with a first positioning slide block matching the first transverse positioning groove, a plurality of transverse positioning rods are provided on both sides of the pulley, the plurality of transverse positioning rods on both sides slide through the slide plate, the bearing is fixedly installed on the slide plate, the sleeve rod passes through the slide plate forward and is rotatably connected to the slide plate through the bearing, and the front end of the sleeve rod is fixed to the drill rod;

[0008] The reciprocating drive assembly is installed at the bottom of the pulley, and the reciprocating drive assembly is used to drive the slide plate to move back and forth laterally.

[0009] The reciprocating drive assembly includes a second motor and a roller, the second motor is fixedly mounted on the bottom of the pulley, the output shaft of the second motor is fixedly mounted on the roller, second transverse positioning grooves are provided on both sides of the pulley, the second transverse positioning grooves on both sides are slidably connected with second positioning sliders, the second positioning sliders on both sides are fixedly connected to the two sides of the slide plate through L-shaped connecting rods, an oblique annular guide rail is provided on the side of the roller, and one of the L-shaped connecting rods is fixedly connected with a guide head inserted into the annular guide rail.

[0010] The pulley driving mechanism includes a third motor and a pulley transmission screw. The third motor is fixedly installed on the mounting platform, and a mounting platform is provided at the front end of the mounting platform. The output end of the third motor is fixedly connected to the pulley transmission screw. The pulley transmission screw passes through the bottom of the pulley and the front end is rotatably connected to the mounting platform, and the pulley transmission screw is threadedly connected to the bottom of the pulley.

[0011] The angle adjustment mechanism includes a plurality of electric telescopic rods. A turntable is rotatably arranged at the rear end of the mobile base. One end of the electric telescopic rod is fixedly mounted on the turntable, and the telescopic end of the electric telescopic rod is hinged to the bottom of the mounting platform.

[0012] The front end of the sleeve rod is fixed to the drill rod by a flange connection.

[0013] The mounting platform comprises upper and lower stacked flat plates, the transverse slide rail is fixedly mounted on the upper flat plate, the telescopic end of the electric telescopic rod is fixedly mounted on the lower flat plate, and a transverse driving mechanism is mounted on the bottom of the lower flat plate;

[0014] The transverse driving mechanism is used to drive the upper plate to move transversely relative to the lower plate, so that the drill rod is close to the slope surface.

[0015] The transverse driving mechanism includes a fourth motor and a flat plate transmission screw, the fourth motor is fixedly mounted on the flat plate on the lower side, the flat plate on the lower side is provided with a transverse strip groove, the flat plate on the upper side is provided with a transmission block corresponding to the transverse strip groove, the two sides of the flat plate transmission screw are respectively rotatably mounted on the two sides of the transverse strip groove, the output end of the fourth motor is fixedly connected to the flat plate transmission screw, the flat plate transmission screw passes through the transmission block and is threadedly connected to the transmission block.

[0016] The movable base is provided with sliding holes on both longitudinal sides, and the sliding holes on both sides are slidably connected with positioning pins, the bottom of the positioning pins is flush with the bottom of the movable base, and the upper ends of the positioning pins on both sides are commonly connected with longitudinal strips, and springs sleeved on the outside of the positioning pins are symmetrically arranged between the movable base and the longitudinal strips, and the two sides of the longitudinal strips extend outside the movable base, and the two sides of the longitudinal strips are provided with guide rails extending to the front end of the movable base, and the lower end of the transmission block is rotatably connected with a rotating shaft, and the two ends of the rotating shaft are fixedly connected with pulleys matching the first guide rail.

[0017] When the equipment of the present invention is performing drilling operations, the drill rod can not only rotate but also reciprocate horizontally. When the pulley is driven by the pulley driving mechanism to move the drill rod toward the slope, the reciprocating motion of the drill rod can further reciprocate and impact and crush the hard rock underground, thereby improving the drilling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the assembly structure of the first embodiment of the present invention;

[0020] Figure 2 The drilling rig structure diagram of the first embodiment of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 3 The drilling rig structure diagram of the first embodiment of the present invention is shown in FIG. Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the assembly structure of the second embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the second embodiment of the present invention when in use;

[0024] The main component symbols are described as follows:

[0025] Mobile base 100, mounting platform 101, transverse slide rail 102, pulley 103, transverse positioning rod 1031, second transverse positioning groove 1032, second positioning slide block 1033, L-shaped connecting rod 1034, guide head 1035, first motor 110, drill rod 111, sleeve 112, first transverse positioning groove 1121, sleeve rod 113, first positioning slide block 1131, slide plate 114, bearing 115, second motor 116, roller 117, annular guide rail 118, third motor 120, pulley transmission screw 121, mounting platform 122, electric telescopic rod 130, turntable 131;

[0026] The plate 200 , the fourth motor 210 , the plate transmission screw 211 , the transverse strip groove 212 , the transmission block 213 , the positioning pin 220 , the longitudinal strip plate 221 , the spring 222 , the guide rail 230 , the rotating shaft 231 , and the pulley 232 . DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Embodiment 1, as Figures 1 to 3 A slope reinforcement construction equipment shown in the figure includes a mobile base 100 and a drilling mechanism, the front end of the mobile base 100 is hinged with a mounting platform 101, the upper side of the mounting platform 101 is processed with a transverse slide rail 102, the transverse slide rail 102 is slidably connected with a pulley 103, the mounting platform 101 is installed with a pulley driving mechanism, and an angle adjustment mechanism is provided between the rear end of the mounting platform 101 and the mobile base 100;

[0029] The drilling mechanism includes a first motor 110, a drill rod 111, a connecting assembly and a reciprocating drive assembly. The first motor 110 is fixedly installed with the pulley 103. A sleeve 112 is provided at the output end of the first motor 110. The connecting assembly includes a sleeve rod 113, a slide plate 114 and a bearing 115. The sleeve rod 113 is slidably sleeved on the inner side of the sleeve 112. The sleeve 112 is provided with a first transverse positioning groove 1121. The sleeve rod 113 is provided with a first positioning slider 1131 matching the first transverse positioning groove 1121. A plurality of transverse positioning rods 1031 are provided on both sides of the pulley 103. The plurality of transverse positioning rods 1031 on both sides slide through the slide plate 114. The bearing 115 is fixedly installed with the slide plate 114. The sleeve rod 113 penetrates the slide plate 114 forward and is rotatably connected with the slide plate 114 through the bearing 115. The front end of the sleeve rod 113 is fixed with the drill rod 111.

[0030] The reciprocating drive assembly is installed at the bottom of the pulley 103. The reciprocating drive assembly is used to drive the slide plate 114 to reciprocate laterally. The reciprocating drive assembly includes a second motor 116 and a roller 117. The second motor 116 is fixedly installed at the bottom of the pulley 103. The output shaft of the second motor 116 is fixedly installed at the roller 117. Second transverse positioning grooves 1032 are also provided on both sides of the pulley 103. The second transverse positioning grooves 1032 on both sides are slidably connected with second positioning sliders 1033. The second positioning sliders 1033 on both sides are fixedly connected to both sides of the slide plate 114 through L-shaped connecting rods 1034. An oblique annular guide rail 118 is provided on the side of the roller 117, and one of the L-shaped connecting rods 1034 is fixedly connected with a guide head 1035 inserted into the annular guide rail 118.

[0031] Before construction, the present device is the same as the existing cable-driven pulley drilling device. Before use, a hoisting device needs to be installed on the top of the slope. The hoisting device is connected to the mobile base 100 through the hoisting device. The hoisting device can drive the hoisting device to pull the mobile base 100 along the slope surface to perform drilling operations on the slope surface. This is a prior art and will not be described in detail in this application.

[0032] When the equipment is in construction operation, the angle between the installation platform 101 and the slope is adjusted by operating the angle adjustment mechanism of the mobile base 100. After the angle is adjusted, drilling can be started. During the drilling process, the first motor 110 of the drilling mechanism and the second motor 116 of the reciprocating drive assembly are synchronously turned on;

[0033] When the first motor 110 is turned on, since the sleeve 112 at its output end and the sleeve rod 113 are positioned by the first transverse positioning groove 1121 and the first positioning slide block 1131, the sleeve 112 rotates to drive the sleeve rod 113 to rotate, and the sleeve rod 113 and the slide plate 114 are connected by the bearing 115, so the slide plate 114 will not hinder the rotation of the sleeve rod 113, and the sleeve rod 113 will rotate relative to the slide plate 114, thereby rotating the drill rod 111 fixed to the sleeve rod 113;

[0034] When the second motor 116 rotates, the roller 117 connected thereto rotates, and through the cooperation between the oblique annular guide track 118 opened on the side of the roller 117 and the guide head 1035, one of the L-shaped connecting rods 1034 can be made to reciprocate laterally. Since the two L-shaped connecting rods 1034 are fixed to the slide plate 114, the second positioning sliders 1033 on both sides slide back and forth relative to the second transverse positioning grooves 1032 on both sides. In this way, the slide plate 114 can slide back and forth relative to the transverse positioning rod 1031, so that the sleeve rod 113 rotatably connected to the slide plate 114 reciprocates relative to the sleeve 112 of the first motor 110, and then the drill rod 111 can also reciprocate.

[0035] In this way, when drilling construction is carried out, the drill rod 111 can not only rotate, but also reciprocate horizontally. When the pulley 103 is driven to move by the pulley driving mechanism to make the drill rod 111 drill into the slope, the reciprocating motion of the drill rod 111 can further reciprocate and crush the hard rock underground, thereby improving the drilling efficiency.

[0036] As a specific description of the structure of the pulley driving mechanism in this embodiment, Figures 1 to 3As shown, the pulley driving mechanism includes a third motor 120 and a pulley transmission screw 121. The third motor 120 is fixedly installed on the mounting platform 101, and a mounting platform 122 is provided at the front end of the mounting platform 101. The output end of the third motor 120 is fixedly connected to the pulley transmission screw 121. The pulley transmission screw 121 passes through the bottom of the pulley 103 and the front end is rotatably connected to the mounting platform 122, and the pulley transmission screw 121 is threadedly connected to the bottom of the pulley 103.

[0037] When the pulley driving mechanism is in use, the third motor 120 is started to drive the pulley transmission screw 121 to rotate. Since the pulley transmission screw 121 is threadedly connected to the bottom of the pulley 103, the pulley 103 can move along the pulley transmission screw 121, thereby driving the drill rod 111 to drill toward the slope. The mounting platform 122 is used to support the end of the pulley transmission screw 121 to maintain the stability of the pulley transmission screw 121.

[0038] As a specific description of the structure of the angle adjustment mechanism in this embodiment, Figure 1 As shown, the angle adjustment mechanism includes a plurality of electric telescopic rods 130 , a turntable 131 is rotatably provided at the rear end of the mobile base 100 , one end of the electric telescopic rod 130 is fixedly mounted on the turntable 131 , and the telescopic end of the electric telescopic rod 130 is hinged to the bottom of the mounting platform 101 .

[0039] When adjusting the angle of the mounting platform 101, by controlling the telescopic distance of the electric telescopic rod 130, the turntable 131 and the telescopic end of the electric telescopic rod 130 and the hinged part of the mounting platform 101 are adaptively rotated, so that the angle of the mounting platform 101 can be effectively adjusted. The structure is simple and the operation is convenient.

[0040] As a special description of this embodiment, the front end of the sleeve rod 113 is fixed to the drill rod 111 by a flange connection, so that the drill rod 111 of different specifications can be easily replaced for drilling operations.

[0041] Embodiment 2 is a further improvement made on the basis of embodiment 1, so as to adjust the drill rod 111 so that it can be closer to the slope before drilling. Figures 4 to 5 As shown, the mounting platform 101 includes upper and lower stacked flat plates 200, the transverse slide rail 102 is fixedly mounted on the upper flat plate 200, the telescopic end of the electric telescopic rod 130 is fixedly mounted on the lower flat plate 200, and a transverse driving mechanism is installed at the bottom of the lower flat plate 200;

[0042] The transverse driving mechanism is used to drive the upper plate 200 to move transversely relative to the lower plate 200 so that the drill rod 111 is close to the slope surface. The transverse driving mechanism includes a fourth motor 210 and a plate transmission screw 211. The fourth motor 210 is fixedly installed on the lower plate 200. The lower plate 200 is provided with a transverse strip groove 212. The upper plate 200 is provided with a transmission block 213 corresponding to the transverse strip groove 212. The two sides of the plate transmission screw 211 are respectively rotatably mounted on the two sides of the transverse strip groove 212. The output end of the fourth motor 210 is fixedly connected to the plate transmission screw 211. The plate transmission screw 211 passes through the transmission block 213 and is threadedly connected to the transmission block 213.

[0043] During the actual drilling construction, in order to enable the drill rod 111 to drill a hole of a desired depth, the following operations are performed:

[0044] Start the fourth motor 210 to rotate the plate drive screw 211. Since the drive block 213 is threadedly connected to the plate drive screw 211, the drive block 213 can move laterally along the plate drive screw 211 in the transverse strip groove 212 of the lower plate 200. In this way, the upper plate 200 can move toward the slope relative to the lower plate 200, thereby driving the drill rod 111 of the drilling mechanism of the upper plate 200 to get closer to the slope, so as to better utilize the length of the drill rod 111 to drill a hole of the required depth.

[0045] As a further improvement in this embodiment, in order to prevent the vibration of the motor generated during the drilling operation from causing the movable base 100 to shake, resulting in uneven drilled holes, such as Figures 4 to 5 As shown, sliding holes are provided on both longitudinal sides of the mobile base 100, and the sliding holes on both sides are slidably connected with positioning pins 220, the bottom of the positioning pin 220 is flush with the bottom of the mobile base 100, and the upper ends of the positioning pins 220 on both sides are commonly connected with longitudinal strips 221, and springs 222 are symmetrically arranged between the mobile base 100 and the longitudinal strips 221 and are sleeved on the outside of the positioning pins 220. Both sides of the longitudinal strips 221 extend to the outside of the mobile base 100, and both sides of the longitudinal strips 221 are provided with guide rails 230 extending to the front end of the mobile base 100, and the lower end of the transmission block 213 is rotatably connected with a rotating shaft 231, and both ends of the rotating shaft 231 are fixedly connected with pulleys 232 matching the first guide rail 230.

[0046] When the upper plate 200 is adjusted to move toward the slope, the pulley 232 of the rotating shaft 231 at the lower end of the transmission block 213 will abut against the guide rail 230. As the transmission block 213 moves toward the slope, the pulley 232 will move along the guide rail 230, thereby overcoming the elastic force of the spring 222 installed between the longitudinal strip 221 and the movable base 110, causing the longitudinal strip 221 to move downward and compress the spring 222. In this way, the guide rail 230 will be pressed down by the movement of the pulley 232, thereby causing the positioning pin 220 of the longitudinal strip 221 to be inserted into the slope, thereby positioning the movable base 100, and avoiding the motor vibration generated during the drilling operation to cause the movable base 100 to shake, resulting in uneven drilled holes.

[0047] After the drilling is completed, the drill rod 111 is first withdrawn, and then the upper plate 200 is restored to a state of overlapping with the lower plate 200. The guide rail 230 returns to its position under the rebound of the spring 222, and the positioning pin 220 can be withdrawn from the slope. Then, the winch's sling continues to pull the mobile base 100 along the slope to the next drilling position to carry out the drilling work on the lower side.

[0048] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A slope reinforcement construction equipment, comprising a mobile base and a drilling mechanism, characterized in that: The front end of the mobile base is hinged with a mounting platform, the upper side of the mounting platform is processed with a transverse slide rail, the transverse slide rail is slidably connected with a pulley, the mounting platform is installed with a pulley driving mechanism, and an angle adjustment mechanism is provided between the rear end of the mounting platform and the mobile base; The drilling mechanism includes a first motor, a drill rod, a connecting assembly and a reciprocating drive assembly, the first motor is fixedly installed on the pulley, a sleeve is provided at the output end of the first motor, the connecting assembly includes a sleeve rod, a slide plate and a bearing, the sleeve rod is slidably sleeved on the inner side of the sleeve, the sleeve is provided with a first transverse positioning groove, the sleeve rod is provided with a first positioning slide block matching the first transverse positioning groove, a plurality of transverse positioning rods are provided on both sides of the pulley, the plurality of transverse positioning rods on both sides slide through the slide plate, the bearing is fixedly installed on the slide plate, the sleeve rod passes through the slide plate forward and is rotatably connected to the slide plate through the bearing, and the front end of the sleeve rod is fixed to the drill rod; The reciprocating drive assembly is installed at the bottom of the pulley, and the reciprocating drive assembly is used to drive the slide plate to reciprocate laterally.

2. A slope reinforcement construction equipment according to claim 1, characterized in that: The reciprocating drive assembly includes a second motor and a roller, the second motor is fixedly mounted on the bottom of the pulley, the output shaft of the second motor is fixedly mounted on the roller, second transverse positioning grooves are provided on both sides of the pulley, the second transverse positioning grooves on both sides are slidably connected with second positioning sliders, the second positioning sliders on both sides are fixedly connected to the two sides of the slide plate through L-shaped connecting rods, an oblique annular guide rail is provided on the side of the roller, and one of the L-shaped connecting rods is fixedly connected with a guide head inserted into the annular guide rail.

3. A slope reinforcement construction equipment according to claim 2, characterized in that: The pulley driving mechanism includes a third motor and a pulley transmission screw. The third motor is fixedly installed on the mounting platform, and a mounting platform is provided at the front end of the mounting platform. The output end of the third motor is fixedly connected to the pulley transmission screw. The pulley transmission screw passes through the bottom of the pulley and the front end is rotatably connected to the mounting platform, and the pulley transmission screw is threadedly connected to the bottom of the pulley.

4. A slope reinforcement construction equipment according to claim 3, characterized in that: The angle adjustment mechanism includes a plurality of electric telescopic rods. A turntable is rotatably arranged at the rear end of the mobile base. One end of the electric telescopic rod is fixedly mounted on the turntable, and the telescopic end of the electric telescopic rod is hinged to the bottom of the mounting platform.

5. A slope reinforcement construction equipment according to claim 4, characterized in that: The front end of the sleeve rod is fixed to the drill rod by a flange connection.

6. A slope reinforcement construction equipment according to claim 5, characterized in that: The mounting platform comprises upper and lower stacked flat plates, the transverse slide rail is fixedly mounted on the upper flat plate, the telescopic end of the electric telescopic rod is fixedly mounted on the lower flat plate, and a transverse driving mechanism is mounted on the bottom of the lower flat plate; The transverse driving mechanism is used to drive the upper plate to move transversely relative to the lower plate, so that the drill rod is close to the slope surface.

7. A slope reinforcement construction equipment according to claim 6, characterized in that: The transverse driving mechanism includes a fourth motor and a flat plate transmission screw, the fourth motor is fixedly mounted on the flat plate on the lower side, the flat plate on the lower side is provided with a transverse strip groove, the flat plate on the upper side is provided with a transmission block corresponding to the transverse strip groove, the two sides of the flat plate transmission screw are respectively rotatably mounted on the two sides of the transverse strip groove, the output end of the fourth motor is fixedly connected to the flat plate transmission screw, the flat plate transmission screw passes through the transmission block and is threadedly connected to the transmission block.

8. The slope reinforcement construction equipment according to claim 7, characterized in that: The movable base is provided with sliding holes on both longitudinal sides, and the sliding holes on both sides are slidably connected with positioning pins, the bottom of the positioning pins is flush with the bottom of the movable base, and the upper ends of the positioning pins on both sides are commonly connected with longitudinal strips, and springs sleeved on the outside of the positioning pins are symmetrically arranged between the movable base and the longitudinal strips, and the two sides of the longitudinal strips extend outside the movable base, and the two sides of the longitudinal strips are provided with guide rails extending to the front end of the movable base, and the lower end of the transmission block is rotatably connected with a rotating shaft, and the two ends of the rotating shaft are fixedly connected with pulleys matching the first guide rail.

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