Electrically-driven automatic workover rig

Abstract

The utility model relates to the technical field of workover rigs, in particular to an electrically-driven automatic workover rig which comprises a workover rig body, a lifting assembly is installed on one side of the workover rig body, and handrails are arranged on the two sides of the lifting assembly. The lifting assembly comprises a fixing plate, a lead screw penetrates through the interior of the fixing plate, a servo motor is installed above the lead screw, the outer wall of the lead screw is connected with a nut pair, a guide block is fixedly installed on the outer wall of the nut pair, one end of the guide block is fixedly connected with a pedal, and the other end of the guide block is fixedly connected with a lifting assembly. A guide rod penetrates through the end, away from the fixing plate, of the pedal. According to the workover rig, due to the arrangement of the lifting assembly, a worker does not need to climb actively, the possibility that the worker slips down is reduced, due to the arrangement of the auxiliary assembly, the worker can step on the rotating plate to enter a driller control room, the rotating plate is attached to the vertical plate, the possibility that oil stains appear on the surface of the rotating plate is reduced, and the safety of structural use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of workover rigs, in particular to an electric drive automatic workover rig. Background Technique

[0002] The electric drive automatic workover rig is a repair equipment specially used for the exploited oil wells in the oil field, mainly realizing the lifting and lowering operations of the tubing and sucker rod in the oil well. The workover rig is usually installed on an engineering vehicle for movement.

[0003] However, since the existing workover rig is installed on an engineering vehicle, when the operator needs to enter the driller control room of the workover rig, he needs to climb up from the ladder connected to the side of the cab or climb into the control room by stepping on the vehicle body. Due to the working environment of the oil field well site, the soles of the personnel may be more oily or the vehicle is slippery, which may cause the staff to slip and fall when climbing onto the workover rig, threatening the personal safety of the staff. Content of the Utility Model

[0004] The purpose of the utility model is to provide an electric drive automatic workover rig to solve the problem of easy slipping when climbing into the driller control room of the workover rig as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: An electric drive automatic workover rig, comprising:

[0006] The workover rig main body, one side of the workover rig main body is provided with a lifting component, and handrails are arranged on both sides of the lifting component;

[0007] The lifting component, the lifting component includes a fixing plate, a lead screw penetrates through the inside of the fixing plate, a servo motor is installed above the lead screw, a nut pair is connected to the outer wall of the lead screw, a guide block is fixedly installed on the outer wall of the nut pair, one end of the guide block is fixedly connected to a pedal, a guide rod penetrates through the inside of one end of the pedal far away from the fixing plate, and an auxiliary component is arranged on one side of the upper surface of the pedal.

[0008] Preferably, the auxiliary component includes a vertical plate, one side below the vertical plate is fixedly connected with a shaft rod, a rotating plate is connected to the middle outer wall of the shaft rod, and torsion springs are arranged on the outer periphery on both sides of the shaft rod.

[0009] Preferably, the fixing plate is fixedly connected with the workover rig main body, and the lead screw is rotatably connected with the fixing plate.

[0010] Preferably, the output end of the servo motor is fixedly connected with the lead screw, and the servo motor is fixedly connected with the fixing plate.

[0011] Preferably, the guide block is slidably connected with the fixing plate, and the pedal is fixedly connected with the guide rod.

[0012] Preferably, the upper and lower ends of the guide rod are fixedly connected to the workover rig body, and the vertical plate is fixedly connected to the pedal.

[0013] Preferably, the rotating plate is rotatably connected to the shaft rod, both ends of the torsion spring are fixedly connected to the rotating plate and the vertical plate respectively, and the upper and lower ends of the support rod are fixedly connected to the workover rig body.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) Through the setting of the lifting assembly of the workover rig, the staff only needs to stand on the pedal, start the servo motor, hold the support rod with both hands, the servo motor drives the screw rod to rotate, the screw rod drives the nut pair to move upward, the nut pair drives the guide block to move upward, and the guide block drives the pedal to move upward, without the staff climbing actively, reducing the possibility of the staff slipping.

[0016] (2) Through the setting of the auxiliary assembly of the workover rig, if it is found that there is oil stain on the pedal during use, the rotating plate can be rotated towards the pedal with the foot, so that the rotating plate is placed above the pedal, and the staff can step on the rotating plate to enter the driller's control room; when the rotating plate is not in use, it fits with the vertical plate, reducing the possibility of oil stain on the surface of the rotating plate and improving the safety of the structure in use. Description of the Drawings

[0017] Figure 1 is the front view of the overall structure of the present utility model;

[0018] Figure 2 is the top view of the lifting assembly, auxiliary assembly and support rod of the present utility model;

[0019] Figure 3 is the Figure 2 partial structure view of part A in the present utility model;

[0020] Figure 4 is the exploded view of the lifting assembly of the present utility model;

[0021] Figure 5 is the exploded view of the auxiliary assembly of the present utility model.

[0022] In the figure: 01, workover rig body; 02, lifting assembly; 21, fixing plate; 22, screw rod; 23, servo motor; 24, nut pair; 25, guide block; 26, pedal; 27, guide rod; 03, auxiliary assembly; 31, vertical plate; 32, shaft rod; 33, rotating plate; 34, torsion spring; 04, support rod. Detailed Embodiment

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , an embodiment provided by the present utility model: an electric drive automated workover rig. The workover rig main body 01, servo motor 23, nut pair 24, and torsion spring 34 used in this application are all products that can be directly purchased on the market. Their principles and connection methods are all well-known prior arts to those skilled in the art, so they will not be elaborated here.

[0025] It includes: a workover rig main body 01, a lifting component 02 is installed on one side of the workover rig main body 01, and support rods 04 are arranged on both sides of the lifting component 02;

[0026] The lifting component 02, the lifting component 02 includes a fixing plate 21, a lead screw 22 passes through the inside of the fixing plate 21, the rotation of the lead screw 22 can drive the nut pair 24 to move, a servo motor 23 is installed above the lead screw 22, the servo motor 23 provides power, starting the servo motor 23 can drive the lead screw 22 to rotate, the outer wall of the lead screw 22 is connected with a nut pair 24, the outer wall of the nut pair 24 is fixedly installed with a guide block 25, the guide block 25 plays a guiding role, one end of the guide block 25 is fixedly connected with a pedal 26, a guide rod 27 passes through the inside of the end of the pedal 26 away from the fixing plate 21, the guide rod 27 plays a guiding role for the pedal 26, and an auxiliary component 03 is arranged on one side of the upper surface of the pedal 26.

[0027] Furthermore, the auxiliary component 03 includes a vertical plate 31, one side below the vertical plate 31 is fixedly connected with a shaft rod 32, a rotating plate 33 is connected to the middle outer wall of the shaft rod 32, torsion springs 34 are arranged on the outer periphery on both sides of the shaft rod 32, the torsion springs 34 provide elastic force, and under the elastic force of the torsion springs 34, the rotating plate 33 is driven to rotate towards the vertical plate 31, and the rotating plate 33 is in contact with the vertical plate 31, reducing the possibility of oil stains appearing on the surface of the rotating plate 33. The provided rotating plate 33 structure is for temporary foot stepping by personnel. When personnel need to rise to the driller's control room, if it is found that there are oil stains on the surface of the pedal 26, the rotating plate 33 can be controlled to automatically rotate above the pedal 26, and personnel can temporarily step on the rotating plate 33 to reduce the risk of standing unsteadily or slipping during the rising process.

[0028] Furthermore, the fixing plate 21 is fixedly connected to the workover rig main body 01 to ensure the firmness of the position of the fixing plate 21. The lead screw 22 is rotatably connected to the fixing plate 21 to ensure that the fixing plate 21 does not affect the rotation of the lead screw 22. The rotation of the lead screw 22 can drive the nut pair 24 to move.

[0029] Furthermore, the output end of the servo motor 23 is fixedly connected to the lead screw 22 to ensure that after the servo motor 23 is started, the output end of the servo motor 23 can drive the lead screw 22 to rotate. The servo motor 23 is fixedly connected to the fixing plate 21 to ensure the firmness of the position of the servo motor 23. The servo motor 23 provides power, and starting the servo motor 23 can drive the lead screw 22 to rotate.

[0030] Furthermore, the guide block 25 is slidably connected to the fixing plate 21. The guide block 25 plays a guiding role. The pedal 26 is fixedly connected to the guide rod 27, and the guide rod 27 plays a guiding role for the pedal 26.

[0031] Furthermore, the upper and lower ends of the guide rod 27 are fixedly connected to the workover rig main body 01. The guide rod 27 plays a guiding role for the pedal 26 to ensure the firmness of the position of the guide rod 27. The vertical plate 31 is fixedly connected to the pedal 26 to ensure the firmness of the position of the vertical plate 31.

[0032] Furthermore, the rotating plate 33 is rotatably connected to the shaft rod 32. The two ends of the torsion spring 34 are respectively fixedly connected to the rotating plate 33 and the vertical plate 31. The torsion spring 34 provides elastic force. Under the action of the elastic force of the torsion spring 34, the rotating plate 33 is driven to rotate towards the vertical plate 31, and the rotating plate 33 is retracted. The rotating plate 33 is attached to the vertical plate 31, reducing the possibility of oil stains on the surface of the rotating plate 33. The upper and lower ends of the handrail 04 are fixedly connected to the workover rig main body 01 to ensure the stability of the position of the handrail 04. The staff holds the handrail 04, ensuring the stability during ascent.

[0033] Working principle: During use, if it is found that there are oil stains on the pedal 26, the rotating plate 33 can be rotated towards the pedal 26 with the foot, so that the rotating plate 33 is placed above the pedal 26. The staff can step on the rotating plate 33, start the servo motor 23, and hold the handrail 04 with both hands. The servo motor 23 drives the lead screw 22 to rotate, the lead screw 22 drives the nut pair 24 to move upward, the nut pair 24 drives the guide block 25 to move upward, the guide block 25 drives the pedal 26 to move upward, and then enters the driller control room of the workover rig main body 01. The above is the entire working principle of the present invention.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. An electric-driven automated workover rig, characterized in that: include: A workover rig body (01), a lifting assembly (02) being installed on one side of the workover rig body (01), and support rods (04) being arranged on both sides of the lifting assembly (02); The lifting assembly (02) includes a fixed plate (21), a screw rod (22) passing through the interior of the fixed plate (21), a servo motor (23) being installed above the screw rod (22), the outer wall of the screw rod (22) being connected to a nut pair (24), a guide block (25) being fixedly installed on the outer wall of the nut pair (24), one end of the guide block (25) being fixedly connected to a pedal (26), a guide rod (27) passing through the interior of the end of the pedal (26) away from the fixed plate (21), and an auxiliary assembly (03) being arranged on one side of the upper surface of the pedal (26).

2. The electric-driven automated workover rig according to claim 1, characterized in that: The auxiliary component (03) comprises a vertical plate (31), a shaft (32) is fixedly connected to one side below the vertical plate (31), a rotating plate (33) is connected to the middle outer wall of the shaft (32), and torsion springs (34) are arranged on the outer sides of both sides of the shaft (32).

3. The electric-driven automated workover rig according to claim 1, characterized in that: The fixing plate (21) is fixedly connected to the well repair machine body (01), and the screw rod (22) is rotatably connected to the fixing plate (21).

4. The electric-driven automated workover rig according to claim 1, characterized in that: The output end of the servo motor (23) is fixedly connected to the screw rod (22), and the servo motor (23) is fixedly connected to the fixing plate (21).

5. The electric-driven automated workover rig according to claim 1, characterized in that: The guide block (25) is slidably connected to the fixed plate (21), and the pedal (26) is fixedly connected to the guide rod (27).

6. The electric-driven automated workover rig according to claim 2, characterized in that: The upper and lower ends of the guide rod (27) are fixedly connected to the workover machine body (01), and the vertical plate (31) is fixedly connected to the pedal (26).

7. The electric-driven automated workover rig according to claim 2, characterized in that: The rotating plate (33) is rotationally connected to the shaft (32), the two ends of the torsion spring (34) are fixedly connected to the rotating plate (33) and the vertical plate (31) respectively, and the upper and lower ends of the support rod (04) are fixedly connected to the well repair machine body (01).

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