Positioning device of power catwalk

Abstract

The utility model relates to the technical field of power catwalks of oil and gas drilling and production equipment, in particular to a power catwalk positioning device which comprises an I-shaped guide rail, a positioning device body and a rear supporting arm assembly, the positioning device body comprises an idler wheel check block and a stop pin, the stop pin is arranged on the idler wheel check block, and an arc-shaped groove is formed in one end of the idler wheel check block. The rear supporting arm assembly comprises a rear supporting arm body, a rear supporting arm bent plate and a rear supporting arm roller, the rear supporting arm bent plate is arranged at one end of the rear supporting arm body, the rear supporting arm roller is arranged on the rear supporting arm bent plate, and a notch is formed in the rear supporting arm bent plate. The movable area of the lifting arm is controlled to be limited within a certain range through matching of the rear supporting arm idler wheel and the notch, stability of the power catwalk in the lifting and working process is guaranteed, the positioning device body is connected through the bolt, fine adjustment of the positioning device body in the horizontal direction relative to the I-shaped guide rail can be achieved, and the positioning device is convenient to use. Therefore, the range of the movable area of the rear supporting arm assembly is adjustable.

Description

Technical Field

[0001] The utility model relates to the technical field of power catwalks of oil and gas drilling equipment, in particular to a positioning device for a power catwalk. Background Art

[0002] In recent years, with the improvement of automation technology, my country's petroleum machinery industry has conducted in-depth research on the main equipment supporting drilling rigs, and the mechanization and automation level of drilling rigs has been improved to a certain extent. However, relatively speaking, the research and investment in the mechanization and automation of peripheral supporting equipment of drilling rigs are obviously insufficient. The labor intensity of drilling platform workers is high and the work risk factor is high, which is not in line with the overall development level of the drilling rig industry. The mechanization and automation capabilities of peripheral supporting equipment of drilling rigs have become an important factor restricting the overall technological development of oil drilling rigs.

[0003] The research on power catwalk technology started late in my country. After the development in recent years, hydraulic power catwalk systems have appeared in China to match some drilling rigs. However, the lifting method of existing power catwalk systems mostly adopts wire rope traction. The flexible lifting transmission accuracy of wire rope is low, and it is easy to shake during operation and has poor stability.

[0004] Therefore, it is necessary to propose a positioning device for a power catwalk to overcome the defects of the prior art. Utility Model Content

[0005] The utility model aims to solve the problems in the prior art and provide a positioning device for a power catwalk.

[0006] The technical solution of the utility model is:

[0007] A positioning device for a power catwalk includes an I-shaped guide rail, a positioning device body and a rear support arm assembly. The positioning device body is detachably arranged on the I-shaped guide rail, the positioning device body includes a roller block and a stop pin, the stop pin is arranged on one side of the roller block, and an arc-shaped groove is arranged at one end of the roller block in the length direction. The rear support arm assembly includes a rear support arm body, a rear support arm bending plate and a rear support arm roller, the rear support arm bending plate is arranged at one end of the rear support arm body, the rear support arm roller is arranged on the rear support arm bending plate and slidably cooperates with the I-shaped guide rail, and a notch is arranged on the rear support arm bending plate, and the notch extends to the side of the rear support arm bending plate.

[0008] Preferably, a first threaded hole is provided at the end of the roller stopper facing away from the arc-shaped groove, and a second threaded hole is provided on the side wall of the roller stopper where the stop pin is located.

[0009] Preferably, a fixing plate is provided on the I-shaped guide rail, and the fixing plate is perpendicular to the web of the I-shaped guide rail.

[0010] Preferably, a through hole matched with the first threaded hole is provided on the fixing plate, and a slotted hole matched with the second threaded hole is provided on the web of the I-shaped guide rail.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. One end of the rear support arm body is hinged, and the other end is connected to the sliding of the I-shaped guide rail through the rear support arm roller. When the power catwalk is lifted, the rear support arm roller slides along the I-shaped guide rail and contacts the arc groove of the roller block, and can slide along the arc groove. When the notch on the rear support arm curved plate corresponds to the stop pin, the stop pin is inserted and connected in the notch to limit the rear support arm body, thereby controlling the activity area of ​​the lifting arm to be limited within a certain range, ensuring the stability of the power catwalk during lifting and working;

[0013] 2. The positioning device body is connected to the I-shaped guide rail by bolts and the slots are arranged, so that the positioning device body can be fine-tuned in the horizontal direction relative to the I-shaped guide rail, thereby adjusting the range of the activity area of ​​the rear support arm assembly;

[0014] 3. The overall design is reasonable, the structure is simple and compact, the production cost is low, and it is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the I-shaped guide rail + positioning device body of the utility model;

[0016] Figure 2 It is a schematic diagram of the AA cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the positioning device of the utility model;

[0018] Figure 4 It is a schematic diagram of the BB cross-sectional structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the rear support arm assembly of the utility model;

[0020] Figure 6 It is a schematic diagram of the structure of the utility model in use state.

[0021] Among them, 1. I-shaped guide rail; 11. fixing plate; 12. through hole; 13. slot hole; 2. positioning device body; 21. roller block; 22. stop pin; 23. arc-shaped groove; 24. first threaded hole; 25. second threaded hole; 3. rear support arm assembly; 31. rear support arm body; 32. rear support arm bending plate; 33. rear support arm roller; 34. slot. DETAILED DESCRIPTION

[0022] In order to make the technical means, technical features, utility model objectives and technical effects achieved by the utility model easy to understand, the utility model is further explained below with reference to specific illustrations.

[0023] like Figure 1-Figure 6 As shown, a positioning device for a power catwalk includes an I-shaped guide rail 1, a positioning device body 2 and a rear support arm assembly 3, wherein the positioning device body 2 is mounted on the I-shaped guide rail 1, and one end of the rear support arm assembly 3 is slidably connected to the I-shaped guide rail 1.

[0024] like Figure 1 and Figure 2 As shown, in order to realize the installation of the positioning device body 2 on the I-shaped guide rail 1, a fixing plate 11 is welded on the I-shaped guide rail 1, and the fixing plate 11 and the web of the I-shaped guide rail 1 are perpendicular to each other. The positioning device body 2 can be connected through the fixing plate 11 and the web of the I-shaped guide rail 1, so that the positioning device body 2 can be installed and fixed in two directions, and the connection is reliable.

[0025] like Figure 3 and Figure 4 As shown, the positioning device body 2 includes a roller stopper 21 and a stopper pin 22. The stopper pin 22 is connected to the roller stopper 21 by welding. The axis of the stopper pin 22 is perpendicular to the side wall of the roller stopper 21. An arc groove 23 is processed at one end of the roller stopper 21 in the length direction. The roller stopper 21 is processed with a first threaded hole 24 at the end opposite to the arc groove 23. A second threaded hole 25 is processed on the side wall of the roller stopper 21 where the stopper pin 22 is located. The first threaded hole 24 and the second threaded hole 25 are used for connecting and fixing the roller stopper 21 on the I-shaped guide rail 1.

[0026] like Figure 5 As shown, the rear support arm assembly includes a rear support arm body 31, a rear support arm bent plate 32 and a rear support arm roller 33. The rear support arm bent plate 32 is welded to one end of the rear support arm body 31, and the other end of the rear support arm body 31 is hinged to the lifting arm (not shown in the figure). The rear support arm roller 33 is bolted to the rear support arm bent plate 32, and the rear support arm roller 33 is slidably matched with the I-shaped guide rail 1. A notch 34 is processed on the rear support arm bent plate 32, and the notch 34 extends to the side of the rear support arm bent plate 32, so that the notch 34 forms a structural form with one end open.

[0027] like Figure 1-Figure 4As shown, in order to facilitate the installation of the positioning device body 2 on the I-shaped guide rail 1, a through hole 12 is processed on the fixing plate 11, and the through hole 12 is adapted to the first threaded hole 24. A bolt is inserted into the through hole 12 and threadedly connected to the first threaded hole 24. A slot hole 13 is processed on the web of the I-shaped guide rail 1, and the slot hole 13 is adapted to the second threaded hole 25. A bolt is inserted into the slot hole 13 and threadedly connected to the second threaded hole 25. Through the coordinated connection between the bolt and the slot hole 13, the positioning device body 2 can be fine-tuned in the horizontal direction in the I-shaped guide rail 1, and through the coordination of the bolt, the through hole 12 and the first threaded hole 24, the positioning device body 2 is auxiliaryly connected to ensure its reliable connection.

[0028] The working principle of the utility model is:

[0029] like Figure 6 As shown, during the lifting process of the power catwalk, one end of the rear support arm body 31 is hinged with the lifting arm, and the rear support arm body 31 is lifted synchronously with the lifting arm, thereby driving the rear support arm roller 33 at the other end of the rear support arm body 31 to slide in the I-shaped guide rail 1. When the power catwalk is lifted to a certain height, the rear support arm roller 33 contacts the roller block 21 of the positioning device body 2. Specifically, the rear support arm roller 33 contacts the arc-shaped groove 23 of the roller block 21. As the power catwalk continues to be lifted, the rear support arm roller 33 slides in the arc-shaped groove 23. When it slides to the notch 34 on the rear support arm bent plate 32 and corresponds to the stop pin 22, the stop pin 22 is inserted and connected in the notch 34, so as to position the rear support arm assembly, thereby realizing the present range of motion of the lifting arm, and ensuring the stability of the power catwalk during the lifting and working process.

[0030] The above description is only a preferred embodiment of the utility model, and is not intended to limit the scope of implementation of the utility model. That is, all equivalent changes and modifications made according to the content of the patent application scope of the utility model should belong to the technical scope of the utility model.

Claims

1. A positioning device for a power catwalk, comprising an I-shaped guide rail (1), characterized in that: The invention also comprises a positioning device body (2) and a rear support arm assembly (3), wherein the positioning device body (2) is detachably arranged on the I-shaped guide rail (1), the positioning device body (2) comprises a roller block (21) and a stop pin (22), the stop pin (22) is arranged on one side of the roller block (21), and an arc-shaped groove (23) is arranged at one end of the roller block (21) in the length direction, and the rear support arm assembly (3) comprises a rear support arm body (31), a rear support arm bending plate (32) and a rear support arm roller (33), the rear support arm bending plate (32) is arranged at one end of the rear support arm body (31), the rear support arm roller (33) is arranged on the rear support arm bending plate (32) and is slidably matched with the I-shaped guide rail (1), and a notch (34) is arranged on the rear support arm bending plate (32), and the notch (34) extends to the side of the rear support arm bending plate (32).

2. The positioning device for a power catwalk according to claim 1, characterized in that: A first threaded hole (24) is provided at the end of the roller stopper (21) facing away from the arc-shaped groove (23), and a second threaded hole (25) is provided on the side wall of the roller stopper (21) where the stop pin (22) is located.

3. The positioning device for the power catwalk according to claim 2, characterized in that: A fixing plate (11) is provided on the I-shaped guide rail (1), and the fixing plate (11) is perpendicular to the web of the I-shaped guide rail (1).

4. The positioning device for a power catwalk according to claim 3, characterized in that: The fixing plate (11) is provided with a through hole (12) matching the first threaded hole (24), and the web of the I-shaped guide rail (1) is provided with a slotted hole (13) matching the second threaded hole (25).

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