Adjusting mechanism of oil pipe power tongs

By designing an adjustment mechanism for the tubing power pliers, the problem of tubing position displacement inside the jaws was solved, achieving stable jaw support and flexible operation, thus improving the effectiveness of the tubing power pliers.

CN223881136UActive Publication Date: 2026-02-06HAICHENG JULONG MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202521271966.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-20
Publication Date
2026-02-06
Estimated Expiration
2035-06-20

AI Technical Summary

Technical Problem

During use, the oil pipe inside the jaws of existing hydraulic pliers is prone to displacement or collision, affecting the flexibility and adaptability of the jaws.

Method used

An adjustment mechanism for a power pliers for oil pipes has been designed, including components such as an adjustment shell, an adjustment sleeve, an adjustment frame, and a flipping mechanism. The flipping and positioning structure provides stable support and adjustment for the oil pipe inside the jaws, preventing displacement.

Benefits of technology

It improves the operational flexibility and adaptability of the jaws, ensures the stability of the tubing within the jaws, avoids tubing displacement and collision inside the jaws, and enhances the connection between the jaws and the tubing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an adjusting mechanism of oil pipe power tongs, and belongs to the technical field of power tongs. The adjusting mechanism of the oil pipe power tongs comprises the power tongs and an operation adjusting mechanism, a hanging bracket is installed on the right side of the top of the power tongs, a jaw is arranged on the left side of the top of the power tongs, an adjusting shell is movably connected to the left side of the jaw, and adjusting sleeves are fixedly connected to the left sides of the two sides of the adjusting shell; the right side of the adjusting frame is fixedly connected with an adjusting plate, the adjusting turnover mechanism is fixedly connected to the two sides of the front side of the adjusting shell, and by arranging the operation adjusting mechanism, a medium capable of conducting protection adjustment can be formed on the left side of the jaw so that a user can stably support the position of an oil pipe entering the jaw; and the situation that when the jaw is used in cooperation with the power tongs, an oil pipe in the jaw is difficult to protect and stabilize is avoided, and therefore the operation flexibility and adaptability of the jaw are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power tongs technical field, more particularly, relate to a kind of oil pipe power tongs's adjusting mechanism. BACKGROUND

[0002] Oil pipe power tongs is the special mechanized equipment for the oilfield workover operation for the oil pipe thread, mainly by power part, transmission part, clamping part and control part are formed, power part is generally hydraulic motor, provides power source;Transmission part includes gear, chain etc., power is transmitted to clamping part;Clamping part is composed of main tongs and back tongs, main tongs is responsible for rotating oil pipe and realizes to unload buckle, back tongs is used to fix oil pipe and prevent it from rotating with, tong head uses advanced clamping mechanism, can adapt to oil pipe of different pipe diameter;Control part includes manual reversing valve, overflow valve etc., can adjust pressure, flow and rotational speed etc.

[0003] In related art, during the use of power tongs, a protective cover is generally installed on the front side of the tong head to protect the tong head during work, so as to be used.

[0004] However, during the use of power tongs, the protective cover can only cover and protect the outside of the tong head, and does not contact the oil pipe inside the tong head, and it is difficult to adjust. When the oil pipe enters the inside of the tong head, the tong body is easy to deviate in position inside the tong head during rotation, and even collides with the tong body, which affects the flexibility and adaptability of the tong head of the power tongs. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an adjusting mechanism for oil pipe power tongs, which overcomes the above technical problems or at least partially solves the above problems.

[0006] The utility model is implemented as follows:

[0007] The utility model provides an adjusting mechanism for oil pipe power tongs, which comprises a power tong, a hanger is installed on the right side of the top of the power tong, and a tong head is arranged on the left side of the top of the power tong.

[0008] The adjusting mechanism is operated, and the adjusting mechanism comprises:

[0009] Adjusting shell; the adjusting shell is movably connected on the left side of the jaw, and adjusting sleeves are fixedly connected on the left sides of the adjusting shell;

[0010] Adjusting frame; the adjusting frame is movably connected in the adjusting sleeve, and an adjusting plate is fixedly connected to the right side of the adjusting frame;

[0011] Adjusting turnover mechanism; the adjusting turnover mechanism is fixedly connected to the two sides of the front side of the adjusting shell.

[0012] In a preferred scheme, the adjusting turnover mechanism comprises a turnover seat, a fixed seat and a turnover shaft, the turnover seat is fixedly connected to the two sides of the front side of the adjusting shell, the fixed seat is movably connected to the outer side of the turnover seat, the right side of the fixed seat is fixedly connected to the left side of the power tongs, and the turnover shaft is movably connected to the inner sides of the turnover seat and the fixed seat.

[0013] In a preferred scheme, screw grooves are formed in the two sides of the turnover shaft, and bolts located outside the fixed seat are screw-connected in the screw grooves.

[0014] In a preferred scheme, a positioning groove is formed in the front side of the adjusting frame, and a positioning head movably connected in the positioning groove is arranged in the adjusting sleeve.

[0015] In a preferred scheme, a moving frame located in front of the adjusting sleeve is movably connected to the left side of the adjusting shell, and the rear side of the moving frame is fixedly connected to the front side of the positioning head.

[0016] In a preferred scheme, a force applying frame is screw-connected to the front side of the moving frame, a spring is sleeved on the surface of the force applying frame, and one end of the spring is connected to the surface of the moving frame.

[0017] In a preferred scheme, a force applying seat located outside the force applying frame is fixedly connected to the left side of the adjusting shell, and the other end of the spring is connected to the surface of the force applying seat.

[0018] In a preferred scheme, a lifting opening is formed in the rear side of the left bottom of the adjusting shell, a lifting frame is movably connected in the lifting opening, a lifting seat is movably connected to the bottom of the lifting frame, and the right side of the lifting seat is fixedly connected to the left side of the power tongs.

[0019] The adjusting mechanism of the oil pipe power tongs has the following beneficial effects:

[0020] 1. By arranging the control adjusting mechanism, a medium capable of being protected and adjusted is formed on the left side of the jaw, so that the user can support and stabilize the position of the oil pipe entering the inside of the jaw, and the situation that the oil pipe inside the jaw is difficult to protect and stabilize when the jaw is used in cooperation with the power tongs is avoided, thereby improving the operation flexibility and adaptability of the jaw.

[0021] 2、By setting the adjustment shell and power tongs between the flip connection work, in order to use the hand-held adjustment shell flip, open and close the operation of the jaw, to avoid the adjustment shell use difficult to flip or with the power tongs separate case, thus improving the adjustment shell and power tongs connection effect.

[0022] 3、By setting the screw groove and bolt, can be connected between the flip shaft and the fixed seat and prevent separation work, to avoid the flip shaft use with the fixed seat separate case, thus improving the stability of the connection between the flip shaft and the fixed seat. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will be briefly introduced the drawings needed to use in the embodiments, should be understood, the following drawings only show some embodiments of the present application, therefore should not be regarded as a limited, for those skilled in the art, without creative effort, according to these drawings can also obtain other related drawings.

[0024] Figure 1 is the overall perspective view provided by the embodiment of the present application;

[0025] Figure 2 is the right view of the adjustment shell provided by the embodiment of the present application;

[0026] Figure 3 is the adjustment shell provided by the embodiment of the present application, the schematic diagram of the cross section structure;

[0027] Figure 4 is the schematic diagram of the cross section structure of the force frame provided by the embodiment of the present application;

[0028] In the figure: 1, power tongs; 2, hanger; 3, jaw; 4, adjustment shell; 5, adjustment sleeve; 6, adjustment frame; 7, adjustment plate; 8, flip seat; 9, fixed seat; 10, flip shaft; 11, screw groove; 12, bolt; 13, positioning groove; 14, positioning head; 15, moving frame; 16, force frame; 17, spring; 18, force seat; 19, lifting port; 20, lifting frame; 21, lifting seat. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] With reference to Figures 1-4 The utility model provides a kind of technical scheme: a kind of oil pipe power tongs's adjusting mechanism, including power tongs 1 and operating adjusting mechanism, hanger 2 is installed in the right side of the top of power tongs 1, the left side of the top of power tongs 1 is provided with jaw 3, can form a medium that can be protected and adjusted in the left side of jaw 3, so that user supports and stabilizes the position of oil pipe into the inside of jaw 3, avoid the situation that jaw 3 cooperates power tongs 1 to use, it is difficult to protect and stabilize the oil pipe in the inside of jaw 3, thus improve the operation flexibility and adaptability of jaw 3.

[0031] With reference to Figures 1-4 In a preferred embodiment, operating adjusting mechanism includes adjusting shell 4, adjusting shell 4 is movably connected in the left side of jaw 3, adjusting sleeve 5 is fixedly connected in the left side of the both sides of adjusting shell 4, adjusting frame 6 is movably connected in the inside of adjusting sleeve 5, adjusting plate 7 is fixedly connected in the right side of adjusting frame 6, adjusting turnover mechanism is fixedly connected in the both sides of the front side of adjusting shell 4, when outside oil pipe enters the inside of jaw 3, turnover adjusting shell 4 to the left side of jaw 3, and according to the actual size of oil pipe, handheld adjusting frame 6 adjusts plate 7 with oil pipe, can adjust the position of oil pipe in the inside of jaw 3 and limit work, adjusting turnover mechanism includes turnover seat 8, fixed seat 9 and turnover shaft 10, turnover seat 8 is fixedly connected in the both sides of the front side of adjusting shell 4, fixed seat 9 is movably connected in the outside of turnover seat 8, the right side of fixed seat 9 is fixedly connected with the left side of power tongs 1, turnover shaft 10 is movably connected in the inside of turnover seat 8 and fixed seat 9, can be connected with turnover between adjusting shell 4 and power tongs 1, so that user handheld adjusting shell 4 overturns, opens and closes jaw 3, avoid the situation that adjusting shell 4 is difficult to overturn or separate from power tongs 1 when using, thus improve the connection effect of adjusting shell 4 and power tongs 1.

[0032] With reference to Figures 2-4In a preferred embodiment, the rotating shaft 10 is connected to the fixed seat 9 by screwing the screw 12 in the screw groove 11 on both sides of the rotating shaft 10, which can prevent the rotating shaft 10 from separating from the fixed seat 9 during use, thereby improving the stability of the connection between the rotating shaft 10 and the fixed seat 9. The front side of the adjusting frame 6 is provided with a positioning groove 13, and the adjusting sleeve 5 is movably connected with a positioning head 14 inside the positioning groove 13, which can position the adjusting frame 6 between the adjusting sleeve 5 and the adjusting shell 4, thereby improving the convenience of adjusting and positioning the adjusting frame 6.

[0033] Referring to Figures 2-4 In a preferred embodiment, the left side of the adjusting shell 4 is movably connected with a moving frame 15 on the front side of the adjusting sleeve 5, and the rear side of the moving frame 15 is fixedly connected with the front side of the positioning head 14, which can provide the user with a medium for synchronously moving the positioning heads 14 on both sides of the adjusting shell 4, thereby improving the operation convenience of the positioning head 14. The front side of the moving frame 15 is screw-connected with a force applying frame 16, the surface of the force applying frame 16 is sleeved with a spring 17, one end of the spring 17 is connected with the surface of the moving frame 15, and the positioning head 14 can be pushed to the rear side by the moving frame 15, thereby improving the working stability of the positioning head 14.

[0034] Referring to Figures 2-4 In a preferred embodiment, the left side of the adjusting shell 4 is fixedly connected with a force applying seat 18 outside the force applying frame 16, and the other end of the spring 17 is connected with the surface of the force applying seat 18, which can provide the spring 17 with a force applying medium for the moving frame 15, thereby improving the force applying effect of the spring 17. The rear side of the left bottom of the adjusting shell 4 is provided with a lifting opening 19, the inside of the lifting opening 19 is movably connected with a lifting frame 20, the bottom of the lifting frame 20 is movably connected with a lifting seat 21, and the right side of the lifting seat 21 is fixedly connected with the left side of the power clamp 1, which can provide the user with a medium for positioning the adjusting shell 4 and the power clamp 1 after turning, thereby improving the turning and positioning convenience of the adjusting shell 4.

[0035] Specifically, the working process or working principle of the adjusting mechanism of the oil pipe power tongs is as follows: in use, when the external oil pipe moves into the inside of the tongs 3, the handheld lifting frame 20 moves upward in the lifting opening 19, and the adjusting shell 4 is turned to the left side of the tongs 3 through the lifting frame 20 cooperating with the lifting opening 19 to move, so as to close the tongs 3 for protection, at this time, the turnover seat 8 turns with the adjusting shell 4 through the turnover shaft 10 and the fixed seat 9, so as to turn and connect the adjusting shell 4 and the power tongs 1, at the same time, the bolt 12 cooperates with the screw groove 11 to connect and prevent separation between the turnover shaft 10, the fixed seat 9 and the turnover seat 8, and when the adjusting shell 4 turns and closes the tongs 3, it means that the bottom of the lifting frame 20 is aligned with the top of the lifting seat 21, and then the lifting frame 20 is moved downward to penetrate the lifting seat 21, so as to lift and insert the adjusting shell 4 and the power tongs 1 for positioning, then, according to the actual size of the oil pipe, the handheld moving frame 15 drives the positioning head 14 to move forward and separate from the positioning groove 13, at this time, the force frame 16 moves with the moving frame 15 in the force seat 18 to move and connect the moving frame 15 and the adjusting shell 4, at the same time, the spring 17 is affected by the moving force of the moving frame 15 to shrink, so as to prepare for the subsequent pushing force applied to the moving frame 15, then, the handheld adjusting frame 6 drives the adjusting plate 7 to move to adjust the position of the adjusting plate 7, so that the adjusting plate 7 can limit and stabilize the position of the oil pipe entering the inside of the tongs 3, and prepare for the subsequent limitation and stabilization of the oil pipe entering the tongs 3, at this time, the adjusting frame 6 moves in the adjusting sleeve 5, and the adjusting sleeve 5, the adjusting frame 6 and the adjusting shell 4 are connected and prevented from separating, when the adjusting plate 7 and the adjusting frame 6 are adjusted, the handheld moving frame 15 drives the positioning head 14 to move backward into the positioning groove 13, so as to insert and position the adjusting frame 6, the adjusting sleeve 5 and the adjusting shell 4, so that the adjusting plate 7 cooperates with the adjusting plate 7 and the adjusting shell 4 to stabilize and limit the position of the oil pipe in the tongs 3.

[0036] It should be noted that the power tongs 1, the hanger 2 and the tongs 3 are devices or equipment existing in the prior art, or devices or equipment that can be realized in the prior art, and their power supply, specific components and principles are clear to those skilled in the art, so they will not be described in detail.

Claims

1. A kind of tubing power tong's adjusting mechanism, including power tong (1), the right side of the top of the power tong (1) is equipped with hanger (2), the left side of the top of the power tong (1) is provided with tong mouth (3), it is characterized in that ; The operation adjusting mechanism comprises: An adjusting shell (4) is movably connected to the left side of the jaw (3), and adjusting sleeves (5) are fixedly connected to the left sides of the two sides of the adjusting shell (4); An adjusting frame (6) is movably connected to the inside of the adjusting sleeve (5), and an adjusting plate (7) is fixedly connected to the right side of the adjusting frame (6); An adjusting overturning mechanism is fixedly connected to the two sides of the front side of the adjusting shell (4).

2. A tubing power tong adjustment mechanism as defined in claim 1, wherein, The adjusting overturning mechanism comprises overturning seats (8), fixing seats (9) and overturning shafts (10), the overturning seats (8) are fixedly connected to the two sides of the front side of the adjusting shell (4), the fixing seats (9) are movably connected to the outside of the overturning seats (8), the right sides of the fixing seats (9) are fixedly connected to the left side of the power tongs (1), and the overturning shafts (10) are movably connected to the inside of the overturning seats (8) and the fixing seats (9).

3. A tubing power tong adjustment mechanism as defined in claim 2, wherein, Screw grooves (11) are formed in the two sides of the overturning shaft (10), and bolts (12) are screw-connected in the screw grooves (11) and located outside the fixing seats (9).

4. The tubing power tong adjustment mechanism of claim 1, wherein, A positioning groove (13) is formed in the front side of the adjusting frame (6), and a positioning head (14) is movably connected in the inside of the positioning groove (13) and located in the inside of the adjusting sleeve (5).

5. A tubing power tong adjustment mechanism as defined in claim 4, wherein, A moving frame (15) is movably connected to the front side of the adjusting sleeve (5) and located on the left side of the adjusting shell (4), and the rear side of the moving frame (15) is fixedly connected to the front side of the positioning head (14).

6. A tubing power tong adjustment mechanism as defined in claim 5, wherein, A force applying frame (16) is screw-connected to the front side of the moving frame (15), a spring (17) is sleeved on the surface of the force applying frame (16), and one end of the spring (17) is connected to the surface of the moving frame (15).

7. A tubing power tong adjustment mechanism as defined in claim 6, wherein, A force applying seat (18) is fixedly connected to the outside of the force applying frame (16) and located on the left side of the adjusting shell (4), and the other end of the spring (17) is connected to the surface of the force applying seat (18).

8. The tubing power tong adjustment mechanism of claim 1, wherein, A lifting opening (19) is formed in the rear side of the bottom of the left side of the adjusting shell (4), a lifting frame (20) is movably connected in the inside of the lifting opening (19), a lifting seat (21) is movably connected to the bottom of the lifting frame (20), and the right side of the lifting seat (21) is fixedly connected to the left side of the power tongs (1).