Automatic disassembling and assembling tool for sucker rod

By designing an automatic sucker rod disassembly and assembly tool, using fixed blocks with movable grooves and limit grooves, as well as a hydraulic motor and gear system, the problems of existing sucker rod removers such as heavy weight, laborious operation and instability are solved, achieving fast and stable sucker rod disassembly and adapting to the needs of oil rods of different sizes.

CN223354163UActive Publication Date: 2025-09-19SHANDONG PETROCHEMICAL INST
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Patent Information

Application Number
CN202520142128.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-09-19
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing sucker rod removers are heavy, laborious and unstable to operate, and difficult to adapt to the differences in rod sizes, which affects the efficiency and stability of the equipment.

Method used

An automatic disassembly and assembly tool for sucker rods has been designed. It adopts a fixed clamping block with a movable groove and a limit groove structure. The clamping block is driven to rotate forty-five degrees by a push handle. In conjunction with the hydraulic motor and gear system, precise alignment and stable connection of the square clamping block can be achieved. The screw can be adjusted to adjust the spacing to ensure the flexibility and stability of the equipment.

Benefits of technology

It realizes the rapid and stable disassembly of the sucker rod, reduces the difficulty of operation, improves the flexibility and stability of the equipment, and adapts to the needs of different oil rod sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sucker rod disassembling and assembling tools, and discloses an automatic sucker rod disassembling and assembling tool which comprises a lower connecting piece and further comprises an upper connecting piece, the side face of the lower connecting piece is movably connected with the inner wall of the side face of the upper connecting piece, the lower connecting piece comprises a bottom plate, the side face of the bottom plate is movably connected with a fixing clamping block in a sleeved mode, and the fixing clamping block is fixedly connected with the lower connecting piece. The top end of the fixed clamping block is fixedly connected with a push handle, and the rotation angle of the fixed clamping block is 45 degrees; the movable groove is of an annular structure, the push handle can be pushed to drive the fixed clamping block to rotate by 45 degrees, the first clamping groove can be conveniently aligned to different directions, and therefore the square clamping block can be conveniently inserted into the first clamping groove through the first inclined face, and the upper connecting piece clamps the square clamping block of an oil rod above; the push handle is pushed to enable the fixed clamping block to rotate, so that the first clamping groove is kept at a proper angle, the first clamping groove is clamped on the square clamping block on the oil rod below, and the square clamping blocks which are staggered up and down can be conveniently mounted and dismounted.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil rod disassembly and assembly tools, and more particularly to an automatic disassembly and assembly tool for a sucker rod. Background Art

[0002] The sucker rod is a slender rod in the pumping well. It is connected to the polished rod at the top and the oil pump at the bottom to transmit power. It is generally made of low-carbon alloy steel that has been quenched and tempered. It is connected one by one with internal threaded hoops in the oil pipe and extends to the piston in the underground oil layer. It pumps oil through reciprocating motion. The oil rod is large in size and heavy in weight. In order to improve work efficiency and reduce the workload of operators, disassembly tools are often used to disassemble and install the oil rod.

[0003] The existing technology is insufficient: the sucker rod puller is divided into two parts, the lower part clamps the square block on the bottom oil rod, and the upper part clamps the square block on the top oil rod and drives it to rotate for disassembly and installation. However, the existing oil rod puller is heavy, and there may be angular deviations in the upper and lower oil rod square blocks during use. When the lower part needs to clamp the square block, the entire oil rod puller needs to be rotated and adjusted, which is time-consuming and labor-intensive. At the same time, different oil rods have different sizes. In order to meet the use requirements, the spacing between the upper and lower parts of the existing oil rod puller is an adjustable structure. However, the upper and lower parts of the existing oil rod puller are connected by a telescopic rod. The telescopic rod lacks a limit and is prone to shaking, affecting the stability of the equipment. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an automatic disassembly and assembly tool for a sucker rod to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sucker rod automatic disassembly and assembly tool, comprising a lower connecting member, and also comprising: an upper connecting member, the side surface of the lower connecting member being movably connected to the inner wall of the side surface of the upper connecting member, the lower connecting member comprising a bottom plate, the side surface of the bottom plate being movably sleeved with a fixed clamping block, the top end of the fixed clamping block being fixedly connected with a push pin, a movable groove being provided at the top end of the bottom plate corresponding to the position of the push pin, a first clamping slot being provided at the top end of the fixed clamping block, a first inclined surface being provided at the side surface of the fixed clamping block corresponding to the position of the first clamping slot, and the rotation angle of the fixed clamping block is forty-five degrees.

[0006] Furthermore, a limiting groove is provided on the inner wall of the bottom end of the bottom plate, and a limiting block is provided at the bottom end of the fixed block, and the side surface of the limiting block is movably connected to the side surface of the limiting groove.

[0007] Furthermore, the upper connecting member includes a top plate, the bottom end of the top plate is fixedly connected to the side plate, the side of the side plate is provided with a mounting groove, the top end of the bottom plate is fixedly connected to the connecting plate, the side of the mounting groove is movably connected to the side of the connecting plate, the bottom end of the bottom plate is threadedly connected to the adjusting screw, and the top end of the adjusting screw is movably connected to the bottom end of the side plate.

[0008] Furthermore, a slide groove is provided on the side of the installation groove, a slide rail is fixedly connected to the side of the connecting plate, and the side of the slide rail is movably connected to the side of the slide groove.

[0009] Furthermore, a mounting gear is movably sleeved on the side of the top plate, a hydraulic motor is fixedly connected to the top of the top plate, an output shaft of the hydraulic motor passes through the top inner wall of the top plate and is fixedly connected to a driving gear, a transmission gear is movably sleeved on the bottom inner wall of the top plate through a pin, the side of the transmission gear is meshed with the side of the driving gear, a driven gear is movably sleeved on the bottom inner wall of the top plate through a pin, the side of the driven gear is meshed with the side of the transmission gear, and the side of the driven gear is meshed with the side of the mounting gear.

[0010] Furthermore, a second slot is provided on the side of the mounting gear, and a second inclined surface is provided on the side of the mounting gear corresponding to the position of the second slot. The bottom end of the mounting gear is fixedly connected to a mounting ring, and the bottom end of the mounting ring is movably connected to the inner wall of the bottom end of the top plate.

[0011] The technical effects and advantages of this utility model are:

[0012] 1. This utility model utilizes a ring-shaped movable slot. The push handle can be pushed to rotate the fixed block 45 degrees, allowing the first slot to be aligned in different directions. This facilitates the insertion of the square block into the first slot via the first inclined surface. The upper connector engages the square block on the upper oil rod. The push handle is then pushed to rotate the fixed block, maintaining the first slot at the proper angle. The first slot is then engaged with the square block on the lower oil rod, facilitating installation and removal of vertically misaligned square blocks.

[0013] 2. This utility model adjusts the spacing between the top and bottom plates to meet different usage requirements by rotating the adjusting screw through the thread, which drives the connecting plate up and down along the mounting slot. When the spacing between the upper and lower connecting parts changes, the connecting plate slides within the mounting slot, and the slide rails slide along the slot, limiting the position of the side panels and connecting plate, preventing shaking and improving the flexibility and stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the lower connecting piece of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the bottom plate of the present utility model;

[0017] Figure 4 This is a side structural diagram of the lower connecting piece of the present utility model;

[0018] Figure 5 This is a schematic diagram of the internal structure of the top plate of the present utility model;

[0019] Figure 6 This is a schematic diagram of the installation gear structure of the present utility model.

[0020] The accompanying drawings are marked as follows: 1. Lower connecting member; 101. Bottom plate; 102. Connecting plate; 103. Fixed block; 1031. First slot; 1032. First inclined surface; 1033. Limit block; 104. Slide rail; 105. Push handle; 106. Movable slot; 107. Limit slot; 2. Upper connecting member; 201. Top plate; 202. Side plate; 203. Hydraulic motor; 204. Mounting gear; 2041. Second slot; 2042. Second inclined surface; 2043. Mounting ring; 205. Mounting slot; 206. Slide slot; 207. Driving gear; 208. Transmission gear; 209. Driven gear; 3. Adjusting screw. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The automatic disassembly and assembly tool for sucker rods involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Reference Figures 1 to 6The utility model provides an automatic disassembly and assembly tool for a sucker rod, comprising a lower connecting member 1 and an upper connecting member 2. The side surface of the lower connecting member 1 is movably connected to the inner wall of the side surface of the upper connecting member 2. The lower connecting member 1 comprises a bottom plate 101. A fixed block 103 is movably sleeved on the side surface of the bottom plate 101. A push handle 105 is fixedly connected to the top of the fixed block 103. A movable groove 106 is provided at the top of the bottom plate 101 corresponding to the position of the push handle 105. A first slot 1031 is provided at the top of the fixed block 103. A first slot 1031 is provided at the side surface of the fixed block 103 corresponding to the position of the first slot 1031. The inclined surface 1032 and the rotation angle of the fixed block 103 are forty-five degrees. The movable groove 106 is a ring structure. The fixed block 103 can be driven to rotate forty-five degrees by pushing the push handle 105, so that the first slot 1031 is aligned in different directions, thereby facilitating the square block to be inserted into the first slot 1031 through the first inclined surface 1032. The upper connecting piece 2 is clamped to the square block of the upper oil rod, and the push handle 105 is pushed to rotate the fixed block 103 so that the first slot 1031 maintains a suitable angle. The first slot 1031 is clamped on the square block on the lower oil rod, and the equipment is started for disassembly.

[0023] Among them, a limiting groove 107 is opened on the inner wall of the bottom end of the base plate 101, and a limiting block 1033 is provided at the bottom end of the fixed block 103. The side of the limiting block 1033 is movably connected with the side of the limiting groove 107. The limiting block 1033 slides inside the limiting groove 107, so that the fixed block 103 rotates along the center of the circle of the fixed block 103, and the limiting block 1033 contacts the two end edges of the limiting groove 107 for limiting, and ensures that the rotation angle is forty-five degrees.

[0024] Among them, the upper connecting member 2 includes a top plate 201, the bottom end of the top plate 201 is fixedly connected to the side plate 202, and the side of the side plate 202 is provided with a mounting groove 205, the top of the bottom plate 101 is fixedly connected to the connecting plate 102, and the side of the mounting groove 205 is movably connected to the side of the connecting plate 102, and the bottom end of the bottom plate 101 is threadedly connected to the adjusting screw 3, and the top of the adjusting screw 3 is movably connected to the bottom end of the side plate 202. According to usage requirements, the adjusting screw 3 is rotated through the thread to drive the connecting plate 102 to move up and down along the mounting groove 205, thereby adjusting the distance between the top plate 201 and the bottom plate 101 to meet different usage requirements.

[0025] Among them, a sliding groove 206 is opened on the side of the installation groove 205, and the side of the connecting plate 102 is fixedly connected with a sliding rail 104. The side of the sliding rail 104 is movably connected to the side of the sliding groove 206. When the connecting plate 102 slides along the side of the installation groove 205, the sliding rail 104 slides along the sliding groove 206 to avoid shaking of the upper connecting member 2 and ensure stability.

[0026] Among them, the side of the top plate 201 is movably sleeved with a mounting gear 204, the top of the top plate 201 is fixedly connected to a hydraulic motor 203, the output shaft of the hydraulic motor 203 passes through the inner wall of the top top plate 201 and is fixedly connected to a driving gear 207, the inner wall of the bottom end of the top plate 201 is movably sleeved with a transmission gear 208 through a pin, the side surface of the transmission gear 208 and the side surface of the driving gear 207 are meshed with each other, the inner wall of the bottom end of the top plate 201 is movably sleeved with a driven gear 209 through a pin, the side surface of the driven gear 209 and the side surface of the transmission gear 208 are meshed with each other, and the side surface of the driven gear 209 and the side surface of the mounting gear 204 are meshed with each other, the hydraulic system provides power for the hydraulic motor 203, driving the driving gear 207 to rotate, and through the mutual meshing of the driving gear 207 and the transmission gear 208, the transmission gear 208 and the driven gear 209 are meshed with each other, thereby driving the mounting gear 204 to rotate, thereby disassembling the oil rod.

[0027] Among them, a second slot 2041 is provided on the side of the mounting gear 204, and a second inclined surface 2042 is provided on the side of the mounting gear 204 corresponding to the position of the second slot 2041. The bottom end of the mounting gear 204 is fixedly connected to a mounting ring 2043, and the bottom end of the mounting ring 2043 is movably engaged with the bottom inner wall of the top plate 201. The driven gears 209 on both sides are symmetrically distributed along the center of the mounting gear 204, and the distance between the contacts of the driven gears 209 on both sides and the mounting gear 204 is greater than the distance between the second inclined surface 2042, ensuring that the driven gears 209 are always in contact with the mounting gear 204, thereby ensuring that the power of the hydraulic motor 203 is smoothly transmitted to the mounting gear 204, and the square block of the upper oil rod is placed into the second slot 2041 through the second inclined surface 2042.

[0028] The working principle of the present utility model is as follows: during use, according to the use requirements, the adjusting screw 3 is rotated through the thread to drive the connecting plate 102 to move up and down along the installation slot 205, thereby adjusting the distance between the installation gear 204 and the fixed block 103, and the push handle 105 is pushed to rotate the fixed block 103 so that the first slot 1031 maintains a suitable angle, and the first slot 1031 is clamped on the square block on the lower oil rod, and the square block of the upper oil rod is placed into the second slot 2041 through the second inclined surface 2042, and the hydraulic system is started to provide power for the hydraulic motor 203, driving the driving gear 207 to rotate, and the driving gear 207 and the transmission gear 208 are meshed with each other, and the transmission gear 208 and the driven gear 209 are meshed with each other, thereby driving the installation gear 204 to rotate, and the oil rod is disassembled.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sucker rod automatic disassembly and assembly tool, comprising a lower connecting member (1), characterized in that: Also includes: An upper connecting member (2), the side surface of the lower connecting member (1) is movably connected to the inner wall of the side surface of the upper connecting member (2), the lower connecting member (1) comprises a bottom plate (101), the side surface of the bottom plate (101) is movably sleeved with a fixed block (103), the top end of the fixed block (103) is fixedly connected with a push handle (105), a movable groove (106) is provided at the top end of the bottom plate (101) corresponding to the position of the push handle (105), a first slot (1031) is provided at the top end of the fixed block (103), a first inclined surface (1032) is provided at the position corresponding to the first slot (1031), and the rotation angle of the fixed block (103) is forty-five degrees.

2. The automatic disassembly and assembly tool for sucker rods according to claim 1, characterized in that: A limiting groove (107) is provided on the inner wall of the bottom end of the bottom plate (101), and a limiting block (1033) is provided at the bottom end of the fixed block (103), and the side surface of the limiting block (1033) is movably connected to the side surface of the limiting groove (107).

3. The automatic disassembly and assembly tool for sucker rods according to claim 1, characterized in that: The upper connecting member (2) comprises a top plate (201), the bottom end of the top plate (201) is fixedly connected to a side plate (202), the side of the side plate (202) is provided with a mounting groove (205), the top end of the bottom plate (101) is fixedly connected to a connecting plate (102), the side of the mounting groove (205) is movably connected to the side of the connecting plate (102), the bottom end of the bottom plate (101) is threadedly connected to an adjusting screw (3), and the top end of the adjusting screw (3) is movably connected to the bottom end of the side plate (202).

4. The automatic disassembly and assembly tool for sucker rods according to claim 3, characterized in that: A slide groove (206) is provided on the side of the installation groove (205), a slide rail (104) is fixedly connected to the side of the connecting plate (102), and the side of the slide rail (104) is movably connected to the side of the slide groove (206).

5. The automatic disassembly and assembly tool for sucker rods according to claim 3, characterized in that: The side of the top plate (201) is movably sleeved with a mounting gear (204), the top of the top plate (201) is fixedly connected to a hydraulic motor (203), the output shaft of the hydraulic motor (203) passes through the inner wall of the top of the top plate (201) and is fixedly connected to a driving gear (207), the inner wall of the bottom end of the top plate (201) is movably sleeved with a transmission gear (208) via a pin, the side of the transmission gear (208) and the side of the driving gear (207) are meshed with each other, the inner wall of the bottom end of the top plate (201) is movably sleeved with a driven gear (209) via a pin, the side of the driven gear (209) and the side of the transmission gear (208) are meshed with each other, and the side of the driven gear (209) and the side of the mounting gear (204) are meshed with each other.

6. The automatic disassembly and assembly tool for sucker rods according to claim 5, characterized in that: A second slot (2041) is provided on the side of the mounting gear (204), and a second inclined surface (2042) is provided on the side of the mounting gear (204) at a position corresponding to the second slot (2041). The bottom end of the mounting gear (204) is fixedly connected to a mounting ring (2043), and the bottom end of the mounting ring (2043) is movably sleeved with the inner wall of the bottom end of the top plate (201).