Casing power tong suspension mechanism

By introducing a sliding device and a leveling unit into the sleeve power clamp suspension mechanism, the problem of inaccurate leveling in traditional designs is solved, achieving precise leveling of the power clamp body and improving work efficiency and safety.

CN223469238UActive Publication Date: 2025-10-24JINYOU MACHINERY NANTONG
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Patent Information

Application Number
CN202423009652.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-10-24
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Traditional power sleeve clamps have a simple suspension mechanism design, which makes it difficult to achieve precise leveling of the power sleeve clamp in the horizontal and vertical directions. This results in uneven stress on the sleeve string, which can easily cause damage to the sleeve wall and increase material consumption and operating costs.

Method used

The system employs a sliding device, pulley components, and a winding device in conjunction with a lateral leveling unit and a longitudinal leveling unit. Through sliding adjustment and screw rod connection, the power clamp body is precisely positioned, ensuring leveling in both the lateral and longitudinal directions.

Benefits of technology

It achieves precise leveling of the power clamp body during operation, reduces uneven stress on the tubing, improves work efficiency and safety, and reduces material consumption.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223469238U_ABST
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Abstract

The utility model discloses a casing pipe power tong suspension mechanism which comprises a crown block base girder, a sliding mechanism and a power tong body, and the sliding mechanism comprises a sliding device, a pulley piece, a winding device, a first suspension rod, a second suspension rod, a transverse leveling unit and a longitudinal leveling unit. The pulley piece is arranged on the crown block base girder in a transverse sliding adjusting mode through the sliding device, the winding device is fixedly installed on the crown block base girder, a steel wire rope is wound on the winding device, the other end of the steel wire rope penetrates through the pulley piece to be connected with the first suspender, and the first suspender and the second suspender are connected through the transverse leveling unit. And the second lifting rod is connected with the power tong body through a longitudinal leveling unit. According to the power tong, the suspension mechanism is adopted, flexible leveling of the power tong body in the transverse direction and the longitudinal direction is achieved, meanwhile, the uniformity of pipe column clamping force is guaranteed, and material consumption is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum drilling equipment, especially to a casing power tong suspension mechanism. BACKGROUND

[0002] In the energy exploitation and pipeline laying operation of petroleum, natural gas and the like, the casing power tong as a kind of key equipment is widely used in the processes such as clamping, rotating, cutting and connecting of the pipe string. The suspension mechanism of the traditional casing power tong is relatively simple in design, and is only fixed on the operation platform through basic hanging device. Due to the complex and changeable environment of the operation site, the traditional suspension mechanism is difficult to realize the accurate leveling of the casing power tong in the horizontal and vertical directions, which leads to uneven stress of the pipe string in the operation process, and easily causes damage to the pipe wall, increases the material consumption and operation cost. SUMMARY

[0003] The utility model provides a casing power tong suspension mechanism, which aims to solve the shortcomings of the prior art and realize flexible leveling of the casing power tong in the horizontal and vertical directions.

[0004] The technical scheme for solving the above problems is a casing power tong suspension mechanism, which comprises a crown block base beam, a sliding mechanism and a power tong body. The sliding mechanism comprises a sliding device, a pulley piece, a winding device, a first boom, a second boom, a horizontal leveling unit and a vertical leveling unit. The pulley piece is transversely slidably adjusted and arranged on the crown block base beam through the sliding device. The winding device is fixedly installed on the crown block base beam, and a steel wire rope is wound on the winding device. The other end of the steel wire rope is connected with the first boom through the pulley piece. The first boom and the second boom are connected through the horizontal leveling unit. The second boom and the power tong body are connected through the vertical leveling unit.

[0005] Preferably, the sliding device comprises a sliding rail, a fixed column, a rack, an adjusting screw and a motor. The fixed column is fixedly connected at both ends to the crown block base beam, and a sliding rail is arranged above the fixed column. The motor is fixedly connected to the crown block base beam. One end of the adjusting screw is rotationally connected to the output end of the motor, and the other ends of the adjusting screw are rotationally connected to the crown block base beam through the rack.

[0006] Preferably, the pulley piece comprises a sliding plate, a rotating shaft and a pulley body. A threaded hole is arranged at the top left side of the sliding plate, and the threaded hole is screwed with the adjusting screw. A sliding groove is arranged at the top right side of the sliding plate, and the sliding groove is slidably connected with the sliding rail at the top of the fixed column. The rotating shaft is rotationally connected to the bottom of the sliding plate and is sleeved on the central through hole of the pulley body.

[0007] Preferably, the transverse leveling unit comprises a first connecting piece, a second connecting piece, a first screw rod, the first connecting piece is connected with the first boom at the top end, the second connecting piece is fixedly connected with the second boom at the bottom end, the first connecting piece and the second connecting piece are provided with connecting holes, the first screw rod passes through the connecting holes of the first connecting piece and the second connecting piece, and both ends are fixed by means of screwing bolts.

[0008] Preferably, the longitudinal leveling unit comprises a third connecting piece, a fourth connecting piece and a second screw rod, the third connecting piece is connected with the second boom at the top end, the fourth connecting piece is fixedly connected with the power tongs body at the bottom end, the third connecting piece and the fourth connecting piece are provided with connecting holes, the second screw rod passes through the connecting holes of the third connecting piece and the fourth connecting piece, and both ends are fixed by means of screwing bolts.

[0009] The utility model discloses the beneficial effect that:

[0010] 1. Through the sliding device, pulley piece and winding device, the power tongs body can realize the transverse and longitudinal sliding adjustment, and is more accurately positioned to the operation area, and the working efficiency is improved.

[0011] 2. The transverse leveling unit and the longitudinal leveling unit are arranged, the power tongs body is ensured to be evenly stressed in the operation process, material consumption is reduced, and safety in the operation process is enhanced. DRAWINGS

[0012] Figure 1 It is the structure sectional view of the utility model;

[0013] Figure 2 It is the sliding mechanism structure sectional view of the utility model;

[0014] Figure 3 It is the transverse leveling unit structure sectional view of the utility model;

[0015] Figure 4 It is the longitudinal leveling unit structure sectional view of the utility model;

[0016] In the drawing: 1. headgear base girder; 2. sliding mechanism; 21. sliding device; 211. slide rail; 212. fixed column; 213. rack; 214. adjusting screw; 215. motor; 22. pulley piece; 221. sliding plate; 222. rotating shaft; 223. pulley body; 23. winding device; 231. steel wire rope; 24. first boom; 25. second boom; 26. transverse leveling unit; 261. first connecting piece; 262. second connecting piece; 263. first screw rod; 27. longitudinal leveling unit; 271. third connecting piece; 272. fourth connecting piece; 273. second screw rod; 3. power tongs body. DETAILED DESCRIPTION

[0017] The utility model makes further illustration in combination with the drawings and specific implementation.

[0018] As Figures 1-2 The utility model discloses a casing power tong suspension mechanism, include: crown block base girder 1, sliding mechanism 2, power tong body 3, sliding mechanism 2 includes sliding device 21, pulley piece 22, winding device 23, first boom 24, second boom 25, transverse leveling unit 26, longitudinal leveling unit 27, pulley piece 22 is through sliding device 21 and can be transversely adjustable slidingly set up on crown block base girder 1, winding device 23 is fixedly installed on crown block base girder 1, winding device 23 is wound with steel wire rope 231, and the other end of steel wire rope 231 passes through pulley piece 22 and is connected with first boom 24, and first boom 24 is connected through transverse leveling unit 26 between second boom 25 and power tong body 3, and second boom 25 is connected through longitudinal leveling unit 27 between power tong body 3.

[0019] In one embodiment, the diameter of the steel wire rope 231 is not less than 3 / 4".

[0020] As Figure 2 The utility model discloses a casing power tong suspension mechanism, include: crown block base girder 1, sliding mechanism 2, power tong body 3, sliding mechanism 2 includes sliding device 21, pulley piece 22, winding device 23, first boom 24, second boom 25, transverse leveling unit 26, longitudinal leveling unit 27, pulley piece 22 is through sliding device 21 and can be transversely adjustable slidingly set up on crown block base girder 1, winding device 23 is fixedly installed on crown block base girder 1, winding device 23 is wound with steel wire rope 231, and the other end of steel wire rope 231 passes through pulley piece 22 and is connected with first boom 24, and first boom 24 is connected through transverse leveling unit 26 between second boom 25 and power tong body 3, and second boom 25 is connected through longitudinal leveling unit 27 between power tong body 3.

[0021] In one embodiment, the diameter of the steel wire rope 231 is not less than 3 / 4".

[0022] As Figures 3-4As shown, the transverse leveling unit 26 includes a first connecting piece 261, a second connecting piece 262, and a first screw rod 263. The top end of the first connecting piece 261 is connected with the bottom end of the first boom 262, and the bottom end of the second connecting piece 262 is fixedly connected with the top end of the second boom 25. The first connecting piece 261 and the second connecting piece 262 are provided with connecting holes, and the first screw rod 263 passes through the connecting holes of the first connecting piece 261 and the second connecting piece 262 and is fixed at both ends by means of a tightening bolt. When adjusting, the tightening bolt is first loosened, then the transverse leveling is performed, and then the tightening is performed. The longitudinal leveling unit 27 includes a third connecting piece 271, a fourth connecting piece 272, and a second screw rod 273. The top end of the third connecting piece 271 is connected with the bottom end of the second boom 25, and the bottom end of the fourth connecting piece 272 is fixedly connected with the top end of the power tong body 3. The third connecting piece 271 and the fourth connecting piece 272 are provided with connecting holes, and the second screw rod 273 passes through the connecting holes of the third connecting piece 271 and the fourth connecting piece 272 and is fixed at both ends by means of a tightening bolt. When adjusting, the tightening bolt is first loosened, then the longitudinal leveling is performed, and then the tightening is performed.

[0023] The working process of the casing power tong suspension mechanism is as follows:

[0024] The winding device 23 is started, the steel wire rope 231 is wound, the pulley body 223 is rotated, the pulley piece 2 and the winding device 3 drive the power tong body 3 to move upward, the motor 215 is started, the output end of the motor 215 drives the adjusting screw rod 214 to rotate, the adjusting screw rod 214 drives the sliding plate 221 to slide on the slide rail 211 to an appropriate position, and the horizontal distance between the power tong body 3 and the pipe string is changed. The tightening bolt of the first screw rod 263 is loosened, the position of the power tong body 3 in the transverse direction is adjusted, the transverse leveling is performed, and then the tightening is performed. The second screw rod 273 is loosened, the position of the power tong body 3 in the longitudinal direction is adjusted, the longitudinal leveling is performed, and then the tightening is performed. The power tong body 3 is operated to make the clamping cylinder act.

Claims

1. A casing power tong suspension mechanism, characterized in that: The utility model relates to a power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and the power tongs body (3), and the power tongs body (3) is connected between the second boom (25) and the power tongs body (3), and the power tongs body (3) is connected between the first boom (24) and ​ 2. A power tong hanger mechanism as defined in claim 1 wherein, ​ 3. A cannulated power tong suspension mechanism as defined in claim 1, wherein, ​ 4. A cannulated power tong suspension mechanism as defined in claim 1, wherein, ​ 5. A power tong hanger mechanism as defined in claim 1 wherein, The longitudinal leveling unit (27) comprises a third connecting piece (271), a fourth connecting piece (272) and a second screw rod (273), the top end of the third connecting piece (271) is connected with the bottom end of the second boom (25), the bottom end of the fourth connecting piece (272) is fixedly connected with the top end of the power tongs body (3), the third connecting piece (271) and the fourth connecting piece (272) are provided with connecting holes, the second screw rod (273) passes through the connecting holes of the third connecting piece (271) and the fourth connecting piece (272), and both ends are fixed by means of screwed bolts.