A thin seam single hydraulic prop retracting device

Abstract

The present application relates to the technical field of coal mining, especially relates to a thin coal seam single hydraulic prop withdrawing device. The present application provides a thin coal seam single hydraulic prop withdrawing device which can automatically carry and place the single hydraulic prop and support beam plate which need to be withdrawn, saves the worker's withdrawing construction time and physical strength, and improves the withdrawing construction efficiency. The thin coal seam single hydraulic prop withdrawing device comprises a vehicle body, moving wheels and an equipment table, the vehicle body is rotatably connected with a plurality of moving wheels on the front and rear sides, and the right side of the vehicle body is connected with the equipment table. The present application can automatically carry and place the single hydraulic prop and support beam plate which need to be withdrawn through the cooperation of the corner controller, pneumatic clamping jaw, electric push rod and rotating seat, saves the worker's withdrawing construction time and physical strength, and improves the withdrawing construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mining, in particular to a thin coal seam single hydraulic prop withdrawing device. BACKGROUND

[0002] The thin coal seam single hydraulic prop is a device for coal mining in a mine, which is used to provide support and stability during coal seam mining. Compared with traditional coal mine props, the thin coal seam single hydraulic prop has smaller size and higher carrying capacity, and is suitable for thin coal seam mining and narrow working space.

[0003] The existing thin coal seam single hydraulic prop, when in use, injects hydraulic oil into the prop body by manual operation, so that the piston rod on the prop moves upward under the action of hydraulic pressure, and the piston rod on the prop moves upward until it presses against the support beam plate for support, thereby achieving the purpose of support. When the thin coal seam single hydraulic prop is withdrawn, the hydraulic oil in the prop body is usually pumped out by manual operation, so that the single hydraulic prop shrinks, and the support beam plate at the top is disassembled. Then the single hydraulic prop is carried and placed on a moving trolley, and is pulled out for withdrawal by the moving trolley. During the withdrawal process, the single hydraulic prop and the support beam need to be manually carried, which is high in labor cost and low in efficiency, and affects the withdrawal operation speed.

[0004] Therefore, the present application provides a thin coal seam single hydraulic prop withdrawing device which can automatically carry and place the single hydraulic prop and the support beam plate that need to be withdrawn, save the workers' withdrawal construction time and physical strength, and improve the withdrawal construction efficiency. SUMMARY

[0005] In order to overcome the shortcomings that the single hydraulic prop and the support beam need to be manually carried during the withdrawal process, which is high in labor cost and low in efficiency, and affects the withdrawal operation speed, the present application provides a thin coal seam single hydraulic prop withdrawing device which can automatically carry and place the single hydraulic prop and the support beam plate that need to be withdrawn, save the workers' withdrawal construction time and physical strength, and improve the withdrawal construction efficiency.

[0006] The technical implementation scheme of the present application is: a thin coal seam single hydraulic prop withdrawing device, comprising a vehicle body, moving wheels, an equipment table, a prop withdrawing mechanism and a beam withdrawing mechanism. The vehicle body is rotatably connected with a plurality of moving wheels on both sides. The equipment table is connected to the right side of the vehicle body. The equipment table is provided with a prop withdrawing mechanism for withdrawing the single hydraulic prop on both sides. The prop withdrawing mechanism is provided with a beam withdrawing mechanism for withdrawing the support beam plate.

[0007] Optionally, the column returning mechanism comprises a rotation angle controller, a mounting table, a roller, a movement controller, a sliding block and a pneumatic clamp jaw, the rotation angle controller is connected to the front and rear parts of the equipment table, the mounting table is arranged on the rotation shaft of the rotation angle controller, the rotation angle controller is used for controlling the rotation of the mounting table, a plurality of rollers are rotatably connected to the mounting table, the movement controller is connected to the upper sides of the front and rear parts of the equipment table, the sliding block is slidably connected to the right part of the mounting table, the sliding block is connected with the adjacent movement controller, the movement controller is used for controlling the left and right movement of the sliding block on the mounting table, the pneumatic clamp jaw is rotatably connected to the sliding block, the movement of the sliding block can drive the movement of the pneumatic clamp jaw, and the pneumatic clamp jaw rotates on the sliding block to lay down the single hydraulic prop and place the single hydraulic prop between the rollers.

[0008] Optionally, the beam returning mechanism comprises a guide frame, an electric push rod, a rotating seat, a fixed frame, a pneumatic actuator and a clamping block, the guide frame is connected to the top of the sliding block, the electric push rod is connected to the lower part of the guide frame, the rotating seat is rotatably connected to the extension end of the electric push rod, the rotating seat is in contact with the adjacent guide frame, the rotating seat is provided with a threaded sliding groove, when the electric push rod lifts the rotating seat upward, the rotating seat rotates through the contact with the guide frame via the threaded sliding groove, the fixed frame is connected to the top of the rotating seat, the pneumatic actuator is connected to the front and rear sides of the fixed frame, the clamping block is arranged on the pneumatic actuator, the pneumatic actuator controls the clamping block to move close to or away from each other, and the clamping block is used for clamping the support beam plate by moving close to each other.

[0009] Optionally, the column returning mechanism comprises a rotation angle controller, a mounting table, a roller, a movement controller, a sliding block and a pneumatic clamp jaw, the rotation angle controller is connected to the front and rear parts of the equipment table, the mounting table is arranged on the rotation shaft of the rotation angle controller, the rotation angle controller is used for controlling the rotation of the mounting table, a plurality of rollers are rotatably connected to the mounting table, the movement controller is connected to the upper sides of the front and rear parts of the equipment table, the sliding block is slidably connected to the right part of the mounting table, the sliding block is connected with the adjacent movement controller, the movement controller is used for controlling the left and right movement of the sliding block on the mounting table, the pneumatic clamp jaw is rotatably connected to the sliding block, the movement of the sliding block can drive the movement of the pneumatic clamp jaw, and the pneumatic clamp jaw rotates on the sliding block to lay down the single hydraulic prop and place the single hydraulic prop between the rollers.

[0010] Optionally, the beam plate pushing mechanism for automatically conveying the supporting beam plate comprises a pushing block, a guide rail, a sliding frame, a stop block and a conveying belt, the pushing block is connected to the front and rear sides of the moving rod, the guide rail is connected to the upper sides of the front and rear parts of the vehicle body, the sliding frame is slidably connected between the guide rails, the stop block is connected to the left and right sides of the front and rear parts of the sliding frame, the stop block is in extrusion fit with the pushing block, the conveying belt is arranged on the top of the sliding frame, the moving rod moves left and right to extrude the stop block through the pushing block, the sliding frame slides left and right through the stop block, and the position of the conveying belt is controlled.

[0011] Optionally, the buffer platform is arranged on the right upper side of the front and rear parts of the vehicle body, and when the single hydraulic support falls into the vehicle body, the buffer platform buffers the falling of the single hydraulic support. Optionally, the limiting block is arranged on the upper sides of the left and right parts of the guide rail, and the limiting block limits the left and right movement limit distance of the sliding frame.

[0012] The present application has the following advantages: 1. The present application can automatically carry and place the single hydraulic support and the supporting beam plate that needs to be withdrawn through the cooperation of the corner controller, the pneumatic clamping jaw, the electric push rod and the rotating seat, saves the worker's withdrawal construction time and physical strength, and improves the withdrawal construction efficiency.

[0013] 2. The present application can automatically send the single hydraulic support into the vehicle body through the operation of the moving rod controlling the contact frame to move left and right, the contact frame and the spring, and the support on the single hydraulic support, saves the labor cost and time, and improves the withdrawal efficiency.

[0014] 3. The present application can automatically receive and guide the supporting beam plate through the operation of the moving rod driving the pushing block to move left and right, the extrusion of the pushing block to the stop block, the movement of the sliding frame on the guide rail, and the adjustment of the position of the conveying belt, saves the labor cost and time, and improves the withdrawal efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the present application.

[0016] Figure 2 It is a structural schematic view of the column withdrawing mechanism of the present application.

[0017] Figure 3 It is a perspective structural schematic view of the column withdrawing mechanism and the beam withdrawing mechanism of the present application.

[0018] Figure 4The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0019] Figure 5 The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0020] Figure 6 The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0021] Figure 7 The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0022] Figure 8 The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0023] Figure 9 The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0024] Figure 10 The structural schematic diagram of the column returning mechanism and the beam returning mechanism of the present application.

[0025] The meaning of the reference signs in the drawing: 1: vehicle body, 11: moving wheel, 12: equipment table, 2: column returning mechanism, 20: corner controller, 21: mounting table, 22: roller, 23: moving controller, 24: sliding block, 25: pneumatic clamping jaw, 3: beam returning mechanism, 30: guide frame, 31: electric push rod, 32: rotating seat, 33: fixed frame, 34: pneumatic actuator, 35: clamping block, 4: column pushing mechanism, 40: speed reducer motor box, 41: lead screw, 42: moving rod, 43: contact frame, 44: spring, 5: beam pushing mechanism, 50: pushing block, 51: guide rail, 52: sliding frame, 53: stop block, 54: transmission belt, 6: buffer table, 7: limiting block. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be described in further detail below with the drawings. It is hereby declared that the up, down, left, right, front, back, inner and outer orientation words appearing or about to appear in the present application are only based on the drawings of the present application, and are not the specific limitation of the present application.

[0027] A thin coal seam single hydraulic prop column returning device, as shown in Figure 1 the drawing, comprises a vehicle body 1, moving wheels 11, an equipment table 12, a column returning mechanism 2 and a beam returning mechanism 3, the vehicle body 1 is rotatably connected with three moving wheels 11 on the front and back sides, the equipment table 12 is connected to the right side of the vehicle body 1, the column returning mechanism 2 is arranged on the upper side of the front and back parts of the equipment table 12, and the beam returning mechanism 3 is arranged on the column returning mechanism 2.

[0028] as shown in Figures 1-4As shown in the drawings, the back column mechanism 2 comprises a corner controller 20, a mounting table 21, a roller 22, a moving controller 23, a sliding block 24 and a pneumatic clamp jaw 25, the corner controller 20 is connected to the front and rear parts of the equipment table 12, the rotating shaft of the corner controller 20 is provided with the mounting table 21, seven rollers 22 are rotatably connected to the mounting table 21, the moving controller 23 is connected to the upper side of the front and rear parts of the equipment table 12, the sliding block 24 is slidably connected to the right part of the mounting table 21, the sliding block 24 is connected with the adjacent moving controller 23, and the pneumatic clamp jaw 25 is rotatably connected to the sliding block 24.

[0029] As shown in the drawings, Figure 1 , Figure 3 and Figure 4 the back beam mechanism 3 comprises a guide frame 30, an electric push rod 31, a rotating seat 32, a fixed frame 33, a pneumatic actuator 34 and a clamping block 35, the guide frame 30 is connected to the top of the sliding block 24, the electric push rod 31 is connected to the lower part of the guide frame 30, the rotating seat 32 is rotatably connected to the telescopic end of the electric push rod 31, the rotating seat 32 is in contact with the adjacent guide frame 30, the rotating seat 32 is provided with a threaded sliding groove, the fixed frame 33 is connected to the top of the rotating seat 32, the pneumatic actuator 34 is connected to the front and rear sides of the fixed frame 33, and the clamping block 35 is arranged on the pneumatic actuator 34.

[0030] The application is used, first, the vehicle body 1 is driven into the thin coal seam supporting roadway, the installation table 21 is controlled to rotate away from each other by the corner controller 20, so that the installation table 21 is located beside the single hydraulic prop in the thin coal seam supporting roadway, after the installation table 21 is rotated and expanded, the slider 24 is controlled to move by the movement controller 23, the pneumatic clamping jaw 25 is driven to displace and form alignment with the single hydraulic prop, the pneumatic clamping jaw 25 clamps the main part of the single hydraulic prop, the slider 24 moves and adjusts, and the guide frame 30 is also moved, when the pneumatic clamping jaw 25 is aligned, the guide frame 30 moves to below the support beam plate, then the electric push rod 31 is started, the telescopic end of the electric push rod 31 moves upward to control the rotating seat 32 to move upward, while the rotating seat 32 moves upward, the rotating seat 32 rotates through the thread sliding groove and the guide frame 30 to generate rotation, the rotating seat 32 drives the fixed frame 33 to rotate by 90 degrees, so that the fixed frame 33 is consistent with the support beam plate, then the clamping block 35 is controlled to move close to each other by the pneumatic actuator 34, the support beam plate is clamped and supported by the clamping block 35, which is convenient for workers to disassemble the support beam plate, then the workers use the hydraulic extraction equipment to extract the hydraulic liquid in the single hydraulic prop, so that the single hydraulic prop is contracted and separated from the support beam plate, then the pneumatic clamping jaw 25 rotates on the slider 24, the vertical single hydraulic prop is laid down, so that the single hydraulic prop is placed on the roller 22, then the telescopic end of the electric push rod 31 controls the rotating seat 32 to move downward, the rotating seat 32 moves downward and is limited by the guide frame 30 to reverse rotation and reset, so that the support beam plate rotates and is parallel to the vehicle body 1, then the installation table 21 is controlled to rotate close to each other by the corner controller 20, so that the single hydraulic prop is parallel to the vehicle body 1, then the slider 24 is controlled to move left by the movement controller 23, the single hydraulic prop and the support beam plate are partially stored in the vehicle body 1 to save space, through the cooperation of the corner controller 20, the pneumatic clamping jaw 25, the electric push rod 31 and the rotating seat 32, the single hydraulic prop and the support beam plate that need to be withdrawn can be automatically carried and placed, the construction time and physical strength of workers are saved, and the construction efficiency is improved.

[0031] As Figure 1 , Figure 5 and Figure 6As shown, the push mechanism 4 further comprises a reduction motor box 40, a screw rod 41, a moving rod 42, a contact frame 43 and a spring 44, the reduction motor box 40 is connected to the left side of the front and rear parts of the vehicle body 1, the screw rod 41 is rotatably connected to the front and rear parts of the vehicle body 1, the screw rod 41 is connected to the adjacent reduction motor box 40 on the left side, the moving rod 42 is threadedly connected between the right parts of the screw rod 41, the contact frame 43 is slidably connected to the upper part of the moving rod 42, the upper right side of the contact frame 43 is wedge-shaped, and the spring 44 is slidably connected to the lower part of the front and rear parts of the contact frame 43.

[0032] As shown in Figure 1 , Figure 9 and Figure 10 , the vehicle body 1 further comprises a buffer platform 6 on the right upper side of the front and rear parts of the vehicle body 1.

[0033] The push mechanism 4 of the present application can automatically send the single hydraulic prop into the vehicle body 1, after the moving controller 23 controls the slider 24 to drive the pneumatic clamp jaw 25 to partially retract the single hydraulic prop to the left, the reduction motor box 40 is started, the reduction motor box 40 first controls the screw rod 41 to rotate, the screw rod 41 controls the moving rod 42 to move to the right through the thread, the moving rod 42 drives the contact frame 43 to move to the right, when the moving frame contacts the support on the single hydraulic prop, it will be extruded downward to stretch the spring 44, when the contact frame 43 passes the support, the spring 44 resets to make the contact frame 43 reset upward, after the contact frame 43 passes the support, the reduction motor box 40 controls the screw rod 41 to reverse rotation, so that the moving rod 42 drives the contact frame 43 to move left to reset, the moving rod 42 moves left through the contact frame 43 and the support on the single hydraulic prop to limit cooperation, which brings the single hydraulic prop into the vehicle body 1 to the left, when the right end of the single hydraulic prop falls into the vehicle body 1, the buffer platform 6 performs falling buffer protection, the moving rod 42 controls the contact frame 43 to move left and right through the reduction motor box 40 controlling the screw rod 41, through the cooperation of the contact frame 43 and the spring 44, the single hydraulic prop is brought into the vehicle body 1 through the support on the single hydraulic prop, which can automatically send the single hydraulic prop into the vehicle body 1, save the labor cost and time, and improve the efficiency of the retraction.

[0034] As shown in Figure 1 , Figure 7 and Figure 8As shown, the beam plate pushing mechanism 5 further comprises a pushing block 50, guide rails 51, a sliding frame 52, a stop block 53 and a transmission belt 54, the pushing block 50 is connected to the front and rear sides of the moving rod 42, the guide rails 51 are connected to the upper sides of the front and rear parts of the vehicle body 1, the sliding frame 52 is slidingly connected between the guide rails 51, the stop block 53 is connected to the left and right sides of the front and rear parts of the sliding frame 52, the stop block 53 is in extrusion fit with the pushing block 50, and the transmission belt 54 is arranged on the top of the sliding frame 52.

[0035] As shown in Figure 1 and Figure 9 The guide rails 51 are further connected with the limiting blocks 7 on the left and right sides.

[0036] The beam plate pushing mechanism 5 can automatically transport the supporting beam plate. When the moving rod 42 moves left and right, the pushing block 50 moves. When the pushing block 50 moves right with the moving block, the pushing block 50 extrudes and pushes the right stop block 53, the sliding frame 52 moves right with the stop block 53, the transmission belt 54 moves right with the sliding frame 52, the transmission belt 54 can contact the supporting beam plate clamped on the fixed frame 33, the transmission belt 54 guides the supporting beam plate out of the fixed frame 33, and when the moving rod 42 resets left, the pushing block 50 extrudes and pushes the left stop block 53, the left stop block 53 moves, the sliding frame 52 resets left on the guide rails 51 with the left stop block 53, the supporting beam plate is transmitted and withdrawn left, the limiting blocks 7 limit the left and right movement distance of the sliding frame 52 when the sliding frame 52 moves with the extrusion of the stop block 53 and the pushing block 50, which avoids displacement of the sliding frame 52 due to inertia, the pushing block 50 moves left and right with the moving rod 42, the pushing block 50 extrudes and pushes the stop block 53, the sliding frame 52 moves on the guide rails 51, the position of the transmission belt 54 is adjusted, the transmission belt 54 automatically guides the supporting beam plate, the supporting beam plate is withdrawn left, the labor cost and time are saved, and the withdrawal efficiency is improved.

[0037] Although the present application is described in detail with reference to the above embodiments, it is apparent to those skilled in the art, through the disclosure, that various changes or modifications can be made to the present application without departing from the principles and spirit of the application defined in the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, but not to limit the present application, and the scope of protection is defined by the content of the claims.

Claims

1. A thin seam single hydraulic prop retracting device, characterized in that: Including car body (1), mobile wheel (11), equipment platform (12), back column mechanism (2) and back beam mechanism (3), the car body (1) both sides are rotatably connected with a plurality of mobile wheel (11), the car body (1) right side is connected with the equipment platform (12), the equipment platform (12) both sides are provided with the back column mechanism (2) for the back of single hydraulic prop, the back column mechanism (2) is equipped with the back beam mechanism (3) for the back of support beam plate, the back column mechanism (2) includes corner controller (20), installation platform (21), roller (22), movement controller (23), sliding block (24) and pneumatic gripper (25), the equipment platform (12) both sides are connected with the corner controller (20), the pivot of corner controller (20) is equipped with the installation platform (21), the corner controller (20) is used for controlling the installation platform (21) rotation, the installation platform (21) is rotatably connected with a plurality of roller (22), the equipment platform (12) both sides are connected with the movement controller (23), the installation platform (21) right part is slidably connected with the sliding block (24), the sliding block (24) is connected with adjacent movement controller (23), the movement controller (23) is used for controlling the sliding block (24) on the installation platform (21) moves left and right, the sliding block (24) is rotatably connected with the pneumatic gripper (25), the sliding block (24) moves can drive the pneumatic gripper (25) moves, the pneumatic gripper (25) rotates on the sliding block (24), can put down single hydraulic prop, and single hydraulic column is placed between the roller (22); The back beam mechanism (3) includes guide frame (30), electric push rod (31), rotating seat (32), fixed frame (33), pneumatic actuator (34) and clamping block (35), the sliding block (24) top is connected with the guide frame (30), the guide frame (30) lower part is connected with the electric push rod (31), the electric push rod (31) telescopic end is rotatably connected with the rotating seat (32), the rotating seat (32) is in contact with adjacent guide frame (30), the rotating seat (32) is all opened on the screw thread sliding groove, when the electric push rod (31) lifts up the rotating seat (32), the rotating seat (32) is contacted through screw thread sliding groove with the guide frame (30) and thus generates rotation, the rotating seat (32) top is connected with the fixed frame (33), the fixed frame (33) both sides are connected with the pneumatic actuator (34), the pneumatic actuator (34) is equipped with the clamping block (35), the pneumatic actuator (34) controls the clamping block (35) is close to each other or away from each other, utilizes the clamping block (35) close to each other and is clamped to support beam plate.

2. A single hydraulic prop retracting device for thin seam coal mining according to claim 1, characterized in that: The single hydraulic prop pushing mechanism (4) is arranged in the vehicle body (1) to automatically push the single hydraulic prop into the vehicle body (1), and the single hydraulic prop pushing mechanism (4) comprises a speed reducer box (40), a screw rod (41), a moving rod (42), a contact frame (43) and a spring (44), the speed reducer box (40) is arranged on the left side of the front and rear parts of the vehicle body (1), the screw rod (41) is rotatably arranged on the front and rear parts of the vehicle body (1), the screw rod (41) is connected with the adjacent speed reducer box (40) on the left side, the moving rod (42) is threadedly connected between the right parts of the screw rods (41), the contact frame (43) is slidably arranged on the upper part of the moving rod (42), the upper right part of the contact frame (43) is in a wedge structure, the springs (44) are slidably arranged on the lower parts of the front and rear parts of the contact frame (43), the speed reducer box (40) controls the rotation of the screw rod (41), the moving rod (42) moves to the left through the thread on the screw rod (41), the moving rod (42) moves to the left through the abutting cooperation between the contact frame (43) and the support on the single hydraulic prop, and the single hydraulic prop is brought into the vehicle body (1).

3. A single hydraulic prop retracting device for thin seam coal mining according to claim 2, characterized in that: The beam plate pushing mechanism (5) is arranged to automatically transport the supporting beam plate, the beam plate pushing mechanism (5) comprises a pushing block (50), a guide rail (51), a sliding frame (52), a stop block (53) and a transmission belt (54), the pushing block (50) is arranged on the left and right sides of the moving rod (42), the guide rail (51) is arranged on the upper sides of the front and rear parts of the vehicle body (1), the sliding frame (52) is slidably arranged between the guide rails (51), the stop block (53) is arranged on the left and right sides of the front and rear parts of the sliding frame (52), the stop block (53) is in extrusion cooperation with the pushing block (50), the transmission belt (54) is arranged on the top of the sliding frame (52), the pushing block (50) extrudes the stop block (53) through the left and right movements of the moving rod (42), the sliding frame (52) is controlled to slide left and right through the stop block (53), and the position of the transmission belt (54) is controlled.

4. A single hydraulic prop retracting device for thin seam coal mining according to claim 3, characterized in that: The buffer table (6) is arranged on the right upper sides of the front and rear parts of the vehicle body (1), and the single hydraulic prop is protected from falling through the buffer table (6) when the right end of the single hydraulic prop falls into the vehicle body (1).

5. A single hydraulic prop retracting device for thin seam coal mining according to claim 4, characterized in that: The limiting block (7) is arranged on the upper sides of the left and right parts of the guide rail (51), and the limiting block (7) limits the left and right movement of the sliding frame (52) to a limit distance.

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