Tooth mark-free oil pipe tongs with plate replacement type tension sensor

Abstract

The utility model relates to the technical field of tubing tongs, in particular to a tooth mark-free tubing tong with a plate replacement type tension sensor, which comprises a fixed handle, a tong head fixedly connected to the side surface of the fixed handle, a clamping component movably arranged on the side surface of the tong head, and a positioning seat fixedly mounted on the side surface of the tong head. The top of the positioning seat is fixedly connected with a plate ring type tension sensor, the top of the plate ring type tension sensor is fixedly provided with a synchronous oil column, and the top of the tension sensor is fixedly connected with a display screen; the device has the beneficial effects that through the design of a plate ring type tension sensor structure, a top block, a display screen, a top block, an oil pipe groove and an oil inlet, clamping stress can be observed conveniently, screwing-on and screwing-off operation is assisted, damage caused by strong clamping of an oil pipe is reduced, in addition, polyurethane rubber and copper alloy inserts are arranged on the side faces of the semicircular clamping blocks, skid resistance can be achieved, and the service life of the oil pipe is prolonged. The clamping and fixing capacity is enhanced, damage of the clamp teeth to the oil pipe is eliminated, and the working efficiency of the oil pipe clamp is improved.

Description

Technical Field

[0001] This utility model relates to the field of tubing wrench technology, specifically a toothless tubing wrench equipped with a plate-type tension sensor. Background Technology

[0002] Tubing wrenches are important tools used in oil extraction and drilling operations for connecting and disconnecting threaded tubing. Traditional tubing wrenches use hydraulic cylinder thrust to push the jaws to clamp the tubing, relying on the friction between the jaws and the tubing to achieve the purpose of connecting and disconnecting the threads. This simple and direct clamping method can damage the tubing. Existing wrenches have smooth inner arcs in the jaws, but the drawback is that they are prone to slippage, resulting in low production efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a toothless oil pipe wrench with a plate-type tension sensor to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a toothless oil pipe wrench with a plate-type tension sensor, comprising a fixed handle, a clamping head fixedly connected to the side of the fixed handle, a clamping assembly movably disposed on the side of the clamping head, a positioning seat fixedly mounted on the side of the clamping head, a plate-ring type tension sensor fixedly connected to the top of the positioning seat, and a synchronous oil column fixedly disposed on the top of the plate-ring type tension sensor, and a display screen fixedly connected to the top of the tension sensor.

[0005] Preferably, an oil inlet is fixedly connected to the bottom of the fixed handle, an oil pipe is fixedly installed in the inner cavity of the fixed handle, a piston is fixedly installed on the side of the oil pipe, and a top block is fixedly installed on the side of the synchronizing oil column.

[0006] Preferably, the clamping assembly includes a first transmission arm, which is connected to the piston via a rotating shaft. A second transmission arm is connected to the side of the first transmission arm via a rotating shaft, and a fixing block is slidably connected to the top of the second transmission arm. The fixing block is fixedly disposed inside the clamp head, and a reinforcing rod is fixedly connected to the bottom of the fixing block. A moving rod is connected to the top of the second transmission arm via a rotating shaft, and the bottom of the moving rod is connected to the reinforcing rod via a rotating shaft. An anti-slip component is fixedly connected to the side of the moving rod.

[0007] Preferably, the side of the fixed handle is provided with an anti-slip layer, and the side of the tension sensor is fixedly connected with a connecting wire, which is fixedly connected to the display screen.

[0008] Preferably, the anti-slip component includes a semi-circular clamping block, which is fixedly connected to the moving rod. The inner ring of the semi-circular clamping block is fixedly provided with polyurethane rubber, and the side of the semi-circular clamping block is fixedly provided with a copper alloy insert.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: By using the plate ring type tension sensor structure, top block, oil pipe groove and oil inlet design, during the process of clamping the oil pipe, the piston is pushed to drive the clamping assembly to reduce the inner ring. The pressure in the internal oil pipe groove is the same, and the top block will apply the same thrust to the plate ring type tension sensor. After signal conversion, it is displayed on the screen for easy observation, assisting in the operation of uncoupling the oil pipe, reducing the damage caused by strong clamping of the oil pipe, and improving the use effect. In addition, polyurethane rubber and copper alloy inserts are provided on the side of the semi-circular clamping block. They can not only prevent slipping and provide sufficient friction to clamp the oil pipe, but also avoid damage to the surface of the oil pipe. The copper alloy itself has a certain hardness and wear resistance. After being made into inserts, it can maintain good surface integrity during frequent contact and friction with other objects, reduce the degree of wear, extend service life, and improve the working efficiency of the oil pipe wrench. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0011] Figure 2 This is a schematic diagram of the semi-circular clamping block structure of this utility model;

[0012] Figure 3 This is a schematic diagram of the cross-section of the structure of this utility model.

[0013] In the diagram: 1. Fixed handle; 2. Clamping head; 3. Positioning seat; 4. Plate ring type tension sensor; 5. Synchronous oil column; 6. Display screen; 7. Oil inlet; 8. Oil pipe groove; 9. Piston; 10. Top block; 11. First transmission arm; 12. Second transmission arm; 13. Fixed block; 14. Reinforcing rod; 15. Moving rod; 16. Anti-slip layer; 17. Connecting line; 18. Semi-circular clamping block; 19. Polyurethane rubber; 20. Copper alloy insert. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0015] Example 1: Please refer to Figures 1-3 This utility model provides a technical solution: a toothless oil pipe wrench with a plate-type tension sensor, comprising...

[0016] A fixed handle 1 is provided, and a clamping head 2 is fixedly connected to the side of the fixed handle 1. A clamping assembly is movably provided on the side of the clamping head 2. A positioning seat 3 is fixedly installed on the side of the clamping head 2. A plate ring type tension sensor 4 is fixedly connected to the top of the positioning seat 3, and a synchronous oil column 5 is fixedly installed on the top of the plate ring type tension sensor 4. A display screen 6 is fixedly connected to the top of the tension sensor. The plate ring type tension sensor 4 is designed with a top block 10, an oil pipe groove 8, and an oil inlet 7. During the process of clamping the oil pipe, the piston 9 is pushed to drive the clamping assembly to reduce the inner ring. The pressure in the internal oil pipe groove 8 is the same.

[0017] An oil inlet 7 is fixedly connected to the bottom of the fixed handle 1. An oil pipe groove 8 is fixedly provided in the inner cavity of the fixed handle 1. A piston 9 is fixedly provided on the side of the oil pipe groove 8. A top block 10 is fixedly provided on the side of the synchronous oil column 5. The top block 10 will apply the same thrust in the oil pipe groove 8 to the plate ring type tension sensor 4. The signal is converted to the display screen 6 for easy observation, assisting in the operation of uncoupling the oil pipe, reducing the damage caused by strong clamping of the oil pipe, and improving the use effect.

[0018] The clamping assembly includes a first transmission arm 11, which is connected to the piston 9 via a rotating shaft. A second transmission arm 12 is connected to the side of the first transmission arm 11 via a rotating shaft, and a fixing block 13 is slidably connected to the top of the second transmission arm 12. The fixing block 13 is fixedly installed inside the clamp head 2, and a reinforcing rod 14 is fixedly connected to the bottom of the fixing block 13. A moving rod 15 is connected to the top of the second transmission arm 12 via a rotating shaft, and the bottom of the moving rod 15 is connected to the reinforcing rod 14 via a rotating shaft. An anti-slip component is fixedly connected to the side of the moving rod 15. The piston 9 is pushed by oil, and the piston drives the clamping assembly to move, which can clamp oil pipes of different sizes and improve the applicability of the device.

[0019] The side of the fixed handle 1 is provided with an anti-slip layer 16, and the side of the tension sensor is fixedly connected with a connecting wire 17, which is also fixedly connected to the display screen 6. The anti-slip layer 16 design improves the user experience.

[0020] The anti-slip component includes a semi-circular clamp 18, which is fixedly connected to the moving rod 15. The inner ring of the semi-circular clamp 18 is fixedly provided with polyurethane rubber 19, and the side of the semi-circular clamp 18 is fixedly provided with copper alloy inserts 20. The combination of polyurethane rubber 19 and copper alloy inserts 20 on the side of the semi-circular clamp 18 not only prevents slipping and enhances the clamping and fixing ability, but also eliminates damage to the oil pipe by the clamp teeth and improves the working efficiency of the oil pipe wrench.

[0021] In use, firstly, by using the structure of the plate ring type tension sensor 4, the top block 10, the oil pipe groove 8 and the oil inlet 7, hydraulic oil is injected through the oil inlet 7 during the clamping process of the oil pipe. The hydraulic oil flows in the oil pipe groove 8 and pushes the piston 9 to slide. The piston 9 is connected to the clamping assembly. Through the transmission effect of the connecting rod, the semi-circular clamping block will reduce the inner ring to clamp the oil pipe. Moreover, the pressure in the internal oil pipe groove 8 is the same, and the top block 10 will apply the same thrust to the plate ring type tension sensor 4. The signal is converted and displayed on the display screen 6 for easy observation. In addition, polyurethane rubber 19 and copper alloy inserts 20 are provided on the side of the semi-circular clamping block 18 to prevent slippage and enhance the clamping and fixing ability.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A toothless oil pipe wrench equipped with a plate-type tension sensor, characterized in that: The utility model provides a kind of fixed handle (1), the side of the fixed handle (1) is fixedly connected with pincer head (2), the side of the pincer head (2) is movably provided with clamping assembly, the side of the pincer head (2) is fixedly installed with positioning seat (3), the top of the positioning seat (3) is fixedly connected with plate ring type tension sensor (4), and the top of plate ring type tension sensor (4) is fixedly provided with synchronous oil column (5), the top of the tension sensor is fixedly connected with display screen (6).

2. The oil pipe tongs without dent according to claim 1, characterized in that: The bottom of the fixed handle (1) is fixedly connected with oil inlet (7), the inner cavity of the fixed handle (1) is fixedly provided with oil pipe groove (8), the side of the oil pipe groove (8) is fixedly provided with piston (9), the side of the synchronous oil column (5) is fixedly provided with top block (10).

3. The oil pipe tongs without dent according to claim 1, characterized in that: The clamping assembly includes first transmission arm (11), the first transmission arm (11) is connected with piston (9) by pivot, the side of the first transmission arm (11) is connected with second transmission arm (12) by pivot, and the top of the second transmission arm (12) is slidably connected with fixed block (13), the fixed block (13) is fixedly arranged inside pincer head (2), the bottom of the fixed block (13) is fixedly connected with reinforcing rod (14), the top of the second transmission arm (12) is pivotally connected with moving rod (15), and the bottom of the moving rod (15) is connected with reinforcing rod (14) by pivot, the side of the moving rod (15) is fixedly connected with antiskid assembly.

4. The non-marking pipe wrench with plate-replacing tension sensor according to claim 1, characterized in that: The side of the fixed handle (1) is provided with antiskid layer (16), the side of the tension sensor is fixedly connected with connecting line (17), and the connecting line (17) is fixedly connected with display screen (6).

5. The tool according to claim 3, wherein: the tool is a pipe tongs having a plate-type tension sensor. The antiskid assembly includes semicircle clamp block (18), the semicircle clamp block (18) is fixedly connected with moving rod (15), the inner ring of the semicircle clamp block (18) is fixedly provided with polyurethane rubber (19), the side of the semicircle clamp block (18) is fixedly provided with copper alloy inlay (20).

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