Forward and reverse reversing mechanism and well repair power tongs

Abstract

The utility model relates to the related technical field of workover power tongs, in particular to a forward and reverse reversing mechanism and workover power tongs, which comprise a workover power tongs steering platform and a bearing, workover power tongs pneumatic lock holes are arranged around the top end of the workover power tongs steering platform, and a steering mechanism is mounted on the inner sides of the workover power tongs pneumatic lock holes. The bearing is arranged on the inner side of the steering mechanism, a movable steel ball is movably installed in the bearing, and an equipment frame moving mechanism is arranged on the outer portion of the steering platform of the workover power tongs. And after overall forward and reverse conversion, the workover power tongs can be pneumatically installed on the workover power tongs pneumatic lock holes to be fixedly installed, the overall stability of the workover power tongs is improved, and the workover power tongs can be conveniently adjusted and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of well repair power tongs, in particular to a forward and reverse direction conversion mechanism and a well repair power tongs. Background Art

[0002] During the well repair process, the heavy workload of the operators is to install and remove the threads of the oil pipes and drill tools. In the past, pipe clamps or chain clamps were used, which are not only labor-intensive but also dangerous. Hydraulic power tongs are mechanical thread installation and removal tools operated by the power of the well repair rig. They can reduce the labor intensity of the well repair workers and avoid or reduce the occurrence of injury accidents. At the same time, hydraulic power tongs enhance the torque of the threads of pipes and drill tools and reduce the occurrence of pipe and drill tool detachment accidents.

[0003] During the installation process of the existing workover power tongs, it is difficult to switch forward and reverse directions due to its heavy weight, which affects its overall stability. The workover power tongs need to be adjusted and fixed, and the equipment equipped with the workover power tongs needs secondary steering installation. Utility Model Content

[0004] The utility model aims to provide a forward and reverse switching mechanism and a well repair power tong to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions, the forward and reverse switching mechanism and the well repair power tongs: include a well repair power tongs steering platform and a bearing, the well repair power tongs pneumatic locking holes are opened around the top of the well repair power tongs steering platform, and the steering mechanism is installed on the inner side of the pneumatic locking hole of the well repair power tongs, the bearing is arranged on the inner side of the steering mechanism, and a movable steel ball is movably installed inside the bearing, an equipment rack movable mechanism is arranged outside the well repair power tongs steering platform, and a movable base is fixedly installed on one side of the equipment rack movable mechanism, a positioning plate is installed in the middle of the movable base, and the well repair through-seat is threadedly connected around the positioning plate.

[0006] Preferably, the steering platform of the well repair power tongs is movably connected to the bearing, and the inner wall of the bearing is tightly fitted with the outer wall of the movable steel ball.

[0007] Preferably, the movable base is movably mounted on the outside of the well repair power tongs steering platform through an equipment rack movable mechanism.

[0008] Preferably, the steering mechanism comprises a shaft ring and a movable rail, and the movable rail is arranged at the movable bottom portion of the shaft ring.

[0009] Preferably, the shaft ring and the movable rail are movably mounted inside the well repair power tongs steering platform.

[0010] Preferably, the movable mechanism of the equipment rack comprises an external sliding ring and a sliding groove, and the external sliding ring is movably installed inside the sliding groove.

[0011] Preferably, the external sliding ring is slidably mounted on the outside of the well repair power tongs steering platform through a sliding groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a shaft ring and a movable rail. When the workover power tongs are too heavy to be moved forward and backward during installation, the shaft ring and the movable rail can be used to move forward and backward. After the overall forward and backward conversion, the workover power tongs can be pneumatically installed on the pneumatic lock hole of the workover power tongs for fixed installation, thereby improving the overall stability of the workover power tongs and facilitating the adjustment and fixation of the workover power tongs.

[0014] 2. The utility model provides an external sliding ring and a movable base, and the well repair power tong accessories on the positioning plate and the well repair penetration seat are used to perform forward and reverse conversion. After the well repair power tong is converted forward and reverse, the well repair power tong accessories are slidably adjusted and fixed through the external sliding ring and the movable base, so that the equipment equipped with the well repair power tong can pass through the well repair penetration seat for secondary steering thread installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the steering mechanism of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the movable mechanism of the equipment rack of the utility model.

[0018] In the figure: 1. Steering platform of well repair power tongs; 2. Pneumatic lock hole of well repair power tongs; 3. Bearing; 4. Movable steel ball; 5. Steering mechanism; 6. Movable base; 7. Positioning plate; 8. Well repair penetration seat; 9. Movable mechanism of equipment frame; 10. Shaft ring; 11. Movable rail; 12. External sliding ring; 13. Slide groove. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] See also Figure 1-Figure 3 The utility model provides a technical solution, including a well repair power tong steering platform 1 and a bearing 3. The well repair power tong steering platform 1 is provided with a well repair power tong pneumatic lock hole 2 around the top, and a steering mechanism 5 is installed inside the well repair power tong pneumatic lock hole 2. The bearing 3 is arranged on the inner side of the steering mechanism 5. A movable steel ball 4 is movably installed inside the bearing 3. An equipment rack movable mechanism 9 is arranged outside the well repair power tong steering platform 1, and a movable base 6 is fixedly installed on one side of the equipment rack movable mechanism 9. A positioning plate 7 is installed in the middle of the movable base 6, and a well repair through seat 8 is threadedly connected around the positioning plate 7. The well repair power tong is installed as a whole on the well repair power tong steering platform 1, so that the well repair power tong is movably installed on the bearing 3 and the movable steel ball 4. The well repair power tong is moved in a forward and reverse direction through the bearing 3 and the movable steel ball 4. The well repair power tongs can be installed on the movable base 6, the positioning plate 7 and the well repair through seat 8. The equipped components on the well repair power tongs are turned through the equipment frame movable mechanism 9 component, the well repair power tongs pneumatic lock buckle is installed inside the well repair power tongs pneumatic lock hole 2, the well repair power tongs can be pneumatically installed on the well repair power tongs pneumatic lock hole 2 for fixed installation, when the well repair power tongs need to be moved, it can be pneumatically retracted to the inside of the well repair power tongs for pneumatic loosening, the well repair power tongs steering platform 1 and the bearing 3 are movably connected, the inner wall of the bearing 3 is tightly fitted with the outer wall of the movable steel ball 4, the bearing 3 and the movable steel ball 4 are movably installed on the well repair power tongs steering platform 1, the well repair power tongs on the well repair power tongs steering platform 1 are moved forward and reversely through the bearing 3 and the movable steel ball 4, the movable base 6 is movably installed on the outside of the well repair power tongs steering platform 1 through the equipment frame movable mechanism 9, the movable base 6 is movably turned through the equipment frame movable mechanism 9 component, the positioning plate 7 and the equipped components on the well repair through seat 8 are turned through the equipment frame movable mechanism 9 component.

[0022] Embodiment 2

[0023] like Figure 2 and Figure 3As shown, the steering mechanism 5 includes a shaft collar 10 and a movable rail 11. The movable portion of the bottom end of the shaft collar 10 is provided with the movable rail 11. The shaft collar 10 and the movable rail 11 are movably mounted inside the steering platform 1 of the well repair power tongs. The bearing 3 and the movable steel ball 4 are slidably mounted on the movable rail 11 through the shaft collar 10. The user can mount the well repair power tongs as a whole on the shaft collar 10, the bearing 3 and the movable steel ball 4. The well repair power tongs can be moved forward and backward through the shaft collar 10 and the movable rail 11. When the well repair power tongs need to be moved forward and backward due to excessive weight during installation, the shaft collar 10 and the movable rail 11 can be used to move forward and backward. After the overall forward and reverse conversion is backward, the well repair power tongs can be pneumatically mounted on the pneumatic lock hole 2 of the well repair power tongs for fixed installation, thereby improving the overall stability of the well repair power tongs and facilitating the well repair power tongs to be operated. Adjust and fix, the equipment frame movable mechanism 9 includes an external sliding ring 12 and a slide groove 13, the external sliding ring 12 is movably installed inside the slide groove 13, the external sliding ring 12 is slidably installed on the outside of the well repair power tongs steering platform 1 through the slide groove 13, the slide groove 13 is arranged around the outside of the well repair power tongs steering platform 1, so that the external sliding ring 12 is slidably installed on the slide groove 13, the positioning plate 7 and the well repair through-hole seat 8 are fixedly installed on the external sliding ring 12 through the movable base 6, the well repair power tongs accessories on the positioning plate 7 and the well repair through-hole seat 8 are converted forward and reverse through the external sliding ring 12 and the movable base 6, when the well repair power tongs are converted forward and reverse, the well repair power tongs accessories are slidably adjusted and fixed through the external sliding ring 12 and the movable base 6, so that the equipment equipped with the well repair power tongs can be installed through the well repair through-hole seat 8 for secondary steering thread.

[0024] In actual use, the well repair power tongs equipped components can be installed on the movable base 6, the positioning plate 7 and the well repair through-base 8. The equipped components on the positioning plate 7 and the well repair through-base 8 are turned through the equipment frame movable mechanism 9 component. The well repair power tongs pneumatic lock buckle is installed inside the well repair power tongs pneumatic lock hole 2. The well repair power tongs can be pneumatically installed on the well repair power tongs pneumatic lock hole 2 for fixed installation. The slide groove 13 is arranged around the outside of the well repair power tongs steering platform 1, so that the external sliding ring 12 is slidably installed on the sliding ring 12. On the groove 13, the positioning plate 7 and the well repair through-base 8 are fixedly mounted on the external sliding ring 12 through the movable base 6. The well repair power tongs accessories on the positioning plate 7 and the well repair through-base 8 are switched forward and reversely through the external sliding ring 12 and the movable base 6. The bearing 3 and the movable steel ball 4 are slidably mounted on the movable rail 11 through the shaft ring 10. The user can install the well repair power tongs as a whole on the shaft ring 10, the bearing 3 and the movable steel ball 4. The well repair power tongs are switched forward and reversely through the shaft ring 10 and the movable rail 11.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A forward and reverse switching mechanism, characterized in that: The forward and reverse switching mechanism comprises a well repair power tong steering platform (1) and a bearing (3); a well repair power tong pneumatic locking hole (2) is provided around the top of the well repair power tong steering platform (1); a steering mechanism (5) is installed inside the well repair power tong pneumatic locking hole (2); the bearing (3) is arranged on the inside of the steering mechanism (5); a movable steel ball (4) is movably installed inside the bearing (3); an equipment frame movable mechanism (9) is arranged outside the well repair power tong steering platform (1); a movable base (6) is fixedly installed on one side of the equipment frame movable mechanism (9); a positioning plate (7) is installed in the middle of the movable base (6); and a well repair through seat (8) is threadedly connected around the positioning plate (7).

2. A forward and reverse switching mechanism according to claim 1, characterized in that: The well repair power tongs steering platform (1) and the bearing (3) are movably connected, and the inner wall of the bearing (3) is tightly fitted with the outer wall of the movable steel ball (4).

3. A forward and reverse switching mechanism according to claim 1, characterized in that: The movable base (6) is movably mounted on the outside of the well repair power tongs steering platform (1) via an equipment rack movable mechanism (9).

4. A forward and reverse switching mechanism according to claim 1, characterized in that: The steering mechanism (5) comprises a shaft collar (10) and a movable rail (11), and the movable rail (11) is arranged at the movable bottom end of the shaft collar (10).

5. A forward and reverse switching mechanism according to claim 4, characterized in that: The shaft collar (10) and the movable rail (11) are movably mounted inside the well repair power tong steering platform (1).

6. A forward and reverse switching mechanism according to claim 1, characterized in that: The equipment rack movable mechanism (9) comprises an external sliding ring (12) and a sliding groove (13), and the external sliding ring (12) is movably installed inside the sliding groove (13).

7. A forward and reverse switching mechanism according to claim 6, characterized in that: The external sliding ring (12) is slidably mounted on the outside of the well repair power tongs steering platform (1) via a sliding groove (13).

8. A well repair power tong, characterized in that: The well repair power tongs are equipped with a forward and reverse direction conversion mechanism as described in any one of claims 1 to 7.

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