Hydraulic lifting dismounting device

Abstract

A hydraulic lifting dismounting device belongs to the technical field of mechanical devices, can solve the problems of manpower waste, accessory damage, material waste and the like in the process of overhauling underground coal mine equipment, and comprises a main body rack, the main body rack comprises a base, and a first stand column and a second stand column are symmetrically and vertically arranged at the two ends of the base respectively; sliding grooves are formed in the inner sides of the first stand columns, a drawing frame is arranged between the first stand columns, connecting lugs are arranged on the two sides of the top end of the drawing frame, the connecting lugs are slidably connected with the sliding grooves, a transverse rod is arranged at the top end of the first stand columns, a lifting oil cylinder is arranged at the top end of the transverse rod, and the piston rod end of the lifting oil cylinder penetrates through the transverse rod to be connected with the top end of the drawing frame. Drawing rods are symmetrically arranged in the drawing frame in a penetrating mode, and a drawing oil cylinder is arranged between the drawing rods. According to the utility model, the drawing rod is matched with the drawing oil cylinder, so that the drawing of accessories is realized, time and labor are saved, and the labor cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical devices, and in particular relates to a hydraulic lifting and disassembling device. Background Art

[0002] During the maintenance of underground coal mining machines and tunneling machines in coal mines, some accessories (such as couplings, end covers, sleeves, etc.) are often encountered. Manual or hydraulic jacks, puller frames, spacers and other tools are required for disassembly. The operation requires 4-6 people to work together to complete. In addition, due to the different sizes and heights of the couplings of motors, reducers and other equipment, different puller frames and different types of jacks and other disassembly tools are required. The work is cumbersome and difficult to pull out. Sometimes sledgehammers and manual hammering are often used, resulting in waste of manpower and damage to accessories. Sometimes physical heating is used for extraction. The waste of manpower, damage to accessories and waste of materials are extremely serious. Utility Model Content

[0003] The utility model provides a hydraulic lifting and disassembling device to solve the problems of waste of manpower, damage to accessories, waste of materials, etc. in the process of repairing underground equipment in coal mines.

[0004] The utility model adopts the following technical solutions:

[0005] A hydraulic lifting and disassembly device includes a main frame, which includes a base. Two ends of the base are symmetrically and vertically provided with a column one and a column two. The inner side of the column one is provided with a slide groove. A pulling frame is provided between the columns. Connecting ears are provided on both sides of the top of the pulling frame. The connecting ears are slidably connected to the slide groove. The top of the column one is provided with a cross bar. The top of the cross bar is provided with a lifting cylinder. The piston rod end of the lifting cylinder passes through the cross bar and is connected to the top of the pulling frame. Pulling rods are symmetrically inserted into the pulling frame, and a pulling cylinder is provided between the pulling rods.

[0006] Furthermore, the lifting cylinder is located at the center of the crossbar.

[0007] Furthermore, a connecting head is provided at the piston rod end of the lifting cylinder, and both ends of the connecting head are connected to the pulling frame through a connecting rod.

[0008] Furthermore, the drawing oil cylinder is located in the drawing frame and is fixedly connected to the drawing frame.

[0009] Furthermore, a pulling head is provided at one end of the pulling rod facing the piston rod of the pulling cylinder, and a forward and reverse spiral screw rod is provided at the top end of the other end of the pulling rod.

[0010] Furthermore, a rotating handle is provided at the center of the forward and reverse spiral screw rods, nuts are sleeved on both ends of the forward and reverse spiral screw rods, a connecting rod is provided at the bottom of the nut, and the connecting rod is connected to the pulling rod.

[0011] Furthermore, the hydraulic lifting and disassembly device also includes a hydraulic pump and a manual operating valve. The manual operating valve is provided with an operating handle. The hydraulic pump is connected to the inlet end of the manual operating valve through an oil pipe, and the outlet end of the manual operating valve is connected to the lifting cylinder and the pulling cylinder respectively through the oil pipe.

[0012] Furthermore, the manual operation valve is located on one side of the column, and a hydraulic lock is provided on the oil pipe of the lifting cylinder.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. This utility model drives the opening and closing of the pull rod through the forward and reverse spiral screw rods, and is suitable for accessories of different sizes.

[0015] 2. The utility model realizes the extraction of accessories through the cooperation of the pulling rod and the pulling cylinder, saving time, effort and labor costs.

[0016] 3. By using the utility model, accessories can be removed without knocking, which reduces damage to the accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a side structural diagram of the present utility model;

[0019] Figure 3 This is a schematic diagram of the connection between the hydraulic pump, the lifting cylinder and the pulling cylinder of the utility model;

[0020] Among them: 1-base; 2-column 1; 3-column 2; 4-pulling frame; 5-connecting ear; 6-cross bar; 7-lifting cylinder; 8-pulling rod; 9-pulling cylinder; 10-connecting head; 11-connecting rod; 12-pulling head; 13-forward and reverse spiral screw; 14-rotating handle; 15-nut; 16-hydraulic pump; 17-oil pipe; 18-operating handle; 19-hydraulic lock; 20-oil tank; 21-filter; 22-pressure gauge; 23-manual operating valve. DETAILED DESCRIPTION

[0021] The present invention will be further described with reference to the accompanying drawings.

[0022] like Figure 1 and Figure 2As shown, a hydraulic lifting and disassembly device includes a main frame, and the main frame includes a base 1. The two ends of the base 1 are symmetrically and vertically provided with a column 2 and a column 3. The inner side of the column 2 is provided with a slide groove. A pulling frame 4 is provided between the columns 1 and 2. Connecting ears 5 are provided on both sides of the top of the pulling frame 4. The connecting ears 5 are slidably connected to the slide groove. The top of the column 2 is provided with a cross bar 6. The top of the cross bar 6 is provided with a lifting cylinder 7. The piston rod end of the lifting cylinder 7 passes through the cross bar 6 and is connected to the top of the pulling frame 4. Pulling rods 8 are symmetrically passed through the pulling frame 4, and a pulling cylinder 9 is provided between the pulling rods 8.

[0023] Furthermore, the lifting cylinder 7 is located at the center of the cross bar 6 .

[0024] Furthermore, a connecting head 10 is provided at the piston rod end of the lifting cylinder 7 , and both ends of the connecting head 10 are connected to the drawing frame 4 through a connecting rod 11 .

[0025] Furthermore, the drawing oil cylinder 9 is located in the drawing frame 4 and is fixedly connected to the drawing frame 4 .

[0026] Furthermore, a drawing head 12 is provided at one end of the drawing rod 8 facing the piston rod of the drawing cylinder 9 , and a forward and reverse spiral screw 13 is provided at the top end of the other end of the drawing rod 8 .

[0027] Furthermore, a rotary handle 14 is provided at the center of the forward and reverse spiral screw rod 13 , nuts 15 are sleeved on both ends of the forward and reverse spiral screw rod 13 , a connecting rod is provided at the bottom of the nut 15 , and the connecting rod is connected to the pulling rod 8 .

[0028] like Figure 3 As shown, the hydraulic lifting and disassembly device also includes a hydraulic pump 16 and a manual operating valve 23. The manual operating valve 23 is provided with an operating handle 18. The hydraulic pump 16 is connected to the inlet end of the manual operating valve 23 through an oil pipe 17. The outlet end of the manual operating valve 23 is connected to the lifting cylinder 7 and the pulling cylinder 9 respectively through the oil pipe 17.

[0029] Furthermore, the manual operation valve 23 is located on one side of the column 2, which is convenient for the operator to observe the operation from the side; a hydraulic lock 19 is provided on the oil pipe 17 of the lifting cylinder 7.

[0030] Among them, the main frame is welded by No. 120 channel steel, and the drawing frame 4 is welded into a square frame by No. 100 channel steel. The drawing rod 8 drives the forward and reverse spiral screw 13 to rotate through the rotating handle 14, so that the drawing rod 8 opens and closes to clamp the accessories.

[0031] The working process of this utility model is as follows:

[0032] 1. Turn on the power, start the hydraulic pump 16, hoist the equipment to be pulled into place, and use the hand crank 14 to rotate the forward and reverse screw rods 13, so that the pulling rod 8 can clamp and pull out accessories of different sizes;

[0033] 2. The operator operates manual valve 23 to move lift cylinder 7 up and down, adjusting the position of pull cylinder 9. The pull cylinder 9 is extended and retracted to extract the accessory. The push-pull cylinder 9 can generate a thrust of 100 tons, which generally meets the pull-out force requirements of various coupling types.

[0034] This new device makes full use of waste materials. The use of this device can effectively reduce labor, reduce maintenance costs, and improve efficiency. In addition, the number of people required for maintenance is reduced from 4-6 to 2-3, saving more than 30,000 yuan in personnel costs per month.

Claims

1. A hydraulic lifting and disassembly device, characterized in that: The main frame includes a base (1), and the two ends of the base (1) are respectively and symmetrically provided with a column (2) and a column (3), the inner side of the column (2) is provided with a slide groove, and a pulling frame (4) is provided between the columns (2), and the top of the pulling frame (4) is provided with connecting ears (5) on both sides, and the connecting ears (5) are slidably connected to the slide groove, the top of the column (2) is provided with a cross bar (6), and the top of the cross bar (6) is provided with a lifting cylinder (7), the piston rod end of the lifting cylinder (7) passes through the cross bar (6) and is connected to the top of the pulling frame (4), and pulling rods (8) are symmetrically passed through the inside of the pulling frame (4), and a pulling cylinder (9) is provided between the pulling rods (8).

2. The hydraulic lifting and disassembly device according to claim 1, characterized in that: The lifting cylinder (7) is located at the center of the crossbar (6).

3. The hydraulic lifting and disassembly device according to claim 1, characterized in that: A connecting head (10) is provided at the piston rod end of the lifting oil cylinder (7), and both ends of the connecting head (10) are connected to the drawing frame (4) via a connecting rod (11).

4. The hydraulic lifting and disassembly device according to claim 1, characterized in that: The drawing oil cylinder (9) is located in the drawing frame (4) and is fixedly connected to the drawing frame (4).

5. The hydraulic lifting and disassembly device according to claim 1, characterized in that: A drawing head (12) is provided at one end of the drawing rod (8) facing the piston rod of the drawing oil cylinder (9), and a forward and reverse spiral screw rod (13) is provided at the top end of the other end of the drawing rod (8).

6. The hydraulic lifting and disassembly device according to claim 5, characterized in that: A rotating handle (14) is provided at the center of the forward and reverse spiral screw rod (13), nuts (15) are sleeved on both ends of the forward and reverse spiral screw rod (13), and a connecting rod is provided at the bottom of the nut (15), and the connecting rod is connected to the pulling rod (8).

7. The hydraulic lifting and disassembly device according to claim 1, characterized in that: The hydraulic lifting and disassembling device further comprises a hydraulic pump (16) and a manual operating valve (23). The manual operating valve (23) is provided with an operating handle (18). The hydraulic pump (16) is connected to the inlet end of the manual operating valve (23) via an oil pipe (17). The outlet end of the manual operating valve (23) is connected to the lifting cylinder (7) and the pulling cylinder (9) respectively via the oil pipe (17).

8. The hydraulic lifting and disassembly device according to claim 7, characterized in that: The manual operation valve (23) is located on one side of the column (2), and a hydraulic lock (19) is provided on the oil pipe (17) of the lifting cylinder (7).

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