Oil pipe straightening machine

Abstract

The utility model discloses an oil pipe straightening machine which comprises a base, the bottom of the base is fixedly connected with a supporting frame, the bottom of the supporting frame is fixedly connected with a plurality of universal wheels, the universal wheels are evenly arranged, the top of the supporting frame is fixedly connected with a straightening frame, and the straightening frame is fixedly connected with an oil pipe. The two sides of the supporting frame are fixedly connected with an input frame and an output frame correspondingly. Through the cooperation of the base, the supporting frame and the universal wheels, the device can be maneuverable, so that a worker can conveniently move the device to different use places, and through the cooperation of the straightening frame, the input frame, the output frame, the input ring, the output ring, the cross-shaped frame body, the cross-shaped straightening groove, the straightening wheels and the annular groove, the straightening efficiency is improved. And the oil pipe can be straightened in the upper, lower, left and right directions, so that the oil pipe can be simply, conveniently and effectively straightened in multiple directions, and the straightening effect of the oil pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pipe straightening, in particular to an oil pipe straightening machine. Background Art

[0002] Oil pipes are used to transport crude oil and natural gas from oil and gas layers to the surface after drilling. They are used to withstand the pressure generated during the mining process. As a common product for oilfield production stimulation equipment, coiled tubing has good flexibility. A roll of coiled tubing is several thousand meters long and can replace conventional tubing for many operations. Coiled tubing equipment has the characteristics of pressure operation and continuous lifting and lowering. The equipment is small in size, has a fast operation cycle, and is low in cost.

[0003] After searching, the Chinese patent application No. 20180764226.2 discloses a continuous tubing straightener. The patent provides a continuous tubing straightener, including a mounting frame, a clamping system is provided on one side of the mounting frame, and a tensioning system, a guide system and a driving system that drives the guide system to rotate and transmit the tubing are provided on the corresponding side of the clamping system from top to bottom. The guide system and the tensioning system are driven by the driving system to straighten the bent continuous tubing through the clamping system. The components of the driving system, the guide system and the clamping system of the patent can be replaced with conversion parts of different specifications to achieve the function of straightening continuous tubing with different outer diameters. In addition, the continuous tubing has a compact structure, light weight, and small size, and is suitable for installation on continuous tubing operating equipment of various pipe diameters, with low use and maintenance costs.

[0004] Although the above patent can realize the function of straightening continuous oil pipes with different outer diameters, and the continuous oil pipe has a compact structure, light weight, small volume, and is suitable for installation on continuous oil pipe operation equipment of various pipe diameters, with low use and maintenance costs, in actual use, the patent cannot be moved, and only a single straightening wheel in the same position is set to straighten the oil pipe, resulting in a poor straightening effect of the oil pipe, which makes the patent still have certain limitations when used.

[0005] Therefore, the oil pipe straightening machine in the above patent needs to be modified to effectively prevent the inability to move, and only a single straightening wheel is set in the same direction to straighten the oil pipe, which makes the oil pipe straightening effect poor, so that the patent still has certain limitations when used. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an oil pipe straightening machine, which has the advantages of being easy to move so that it can be used in different places of use, and can simply and effectively straighten the oil pipe in multiple directions, thereby improving the straightening effect. It solves the problem that the oil pipe cannot be moved and only a single straightening wheel is set in the same direction to straighten the oil pipe, resulting in poor straightening effect of the oil pipe, which makes the patent still have certain limitations when used.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tubing straightening machine, comprising a base, a support frame fixedly connected to the bottom of the base, a plurality of universal wheels fixedly connected to the bottom of the support frame, and the plurality of universal wheels are evenly arranged, a straightening frame fixedly connected to the top of the support frame, an input frame and an output frame fixedly connected to the two sides of the support frame, an input ring and an output ring fixedly connected to the inner walls of the input frame and the output frame, a cross body fixedly connected to the interior of the straightening frame, a cross straightening groove is provided on the inner wall of the cross straightening groove, a plurality of straightening wheels are rotatably connected to the inner wall of the cross straightening groove, and the plurality of straightening wheels are cross-symmetrically arranged in pairs and laterally evenly arranged, an annular groove is provided on the surface of the straightening wheel, and the annular groove is used in conjunction with the input ring and the output ring respectively.

[0008] As a preferred embodiment of the utility model, both sides of the support frame are threadedly connected with torsion columns, and the bottom of the torsion column is fixedly connected with a brake block.

[0009] As a preferred embodiment of the utility model, the transmission shafts of the multiple straightening wheels all pass through the cross body and are fixedly connected to the transmission wheels, and the multiple transmission wheels on the same side are driven by the same transmission belt, the surface of the transmission wheel is fixedly connected to a servo motor, and the servo motor is fixedly connected to the straightening frame.

[0010] As a preferred embodiment of the utility model, the surface of the straightening wheel is symmetrically provided with embedding grooves, the interior of the embedding groove is fixedly connected to a retaining frame, the interior of the retaining frame is rotatably connected to a plurality of balls, and the plurality of balls are evenly arranged in a ring shape and rollingly connected to the cross straightening groove.

[0011] As a preferred embodiment of the present invention, the input port of the input ring is in a truncated cone shape, and the output port of the output ring is in a barrel shape.

[0012] As a preferred embodiment of the present invention, the center of a circle formed by the four annular grooves of the same cross section is located on the same horizontal line as the center of the input ring and the center of the output ring.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can give the device mobility through the cooperation of the base, the support frame and the universal wheel, so that the staff can move the device to different places of use. Through the cooperation of the straightening frame, the input frame, the output frame, the input ring, the output ring, the cross body, the cross straightening groove, the straightening wheel and the annular groove, the oil pipe can be straightened in four directions of up, down, left and right, so that the oil pipe can be straightened in multiple directions in a simple and effective manner, thereby improving the straightening effect thereof.

[0015] 2. The utility model can brake the device by providing a torsion column and a brake block to prevent displacement during use, thereby improving the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional three-dimensional schematic diagram of the cross body of the utility model;

[0018] Figure 3 It is a left-side stereoscopic schematic diagram of the straightening wheel and the annular groove used in combination with each other according to the utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram of the straightening wheel of the utility model.

[0020] In the figure: 1. base; 2. support frame; 3. universal wheel; 4. straightening frame; 5. input frame; 6. output frame; 7. input ring; 8. output ring; 9. cross body; 10. cross straightening groove; 11. straightening wheel; 12. annular groove; 13. torsion column; 14. brake block; 15. transmission wheel; 16. servo motor; 17. embedding groove; 18. retaining frame; 19. ball. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] like Figures 1 to 4As shown, the utility model provides an oil pipe straightening machine, including a base 1, a support frame 2 is fixedly connected to the bottom of the base 1, a plurality of universal wheels 3 are fixedly connected to the bottom of the support frame 2, and the plurality of universal wheels 3 are evenly arranged, a straightening frame 4 is fixedly connected to the top of the support frame 2, an input frame 5 and an output frame 6 are fixedly connected to the two sides of the support frame 2, an input ring 7 and an output ring 8 are fixedly connected to the inner walls of the input frame 5 and the output frame 6, a cross body 9 is fixedly connected to the inside of the straightening frame 4, a cross straightening groove 10 is provided on the inner wall of the cross straightening groove 10, a plurality of straightening wheels 11 are rotatably connected to the inner wall of the cross straightening groove 10, and the plurality of straightening wheels 11 are cross-symmetrically arranged in pairs and laterally evenly arranged, an annular groove 12 is provided on the surface of the straightening wheel 11, and the annular groove 12 is used in conjunction with the input ring 7 and the output ring 8 respectively.

[0023] refer to Figure 1 Both sides of the support frame 2 are threadedly connected with a torsion column 13, and the bottom of the torsion column 13 is fixedly connected with a brake block 14.

[0024] As a technical optimization solution of the present invention, by providing the torsion column 13 and the brake block 14, the device can be braked to prevent displacement during use, thereby improving the stability of the device during use.

[0025] refer to Figure 2 The transmission shafts of the multiple straightening wheels 11 all pass through the cross body 9 and are fixedly connected to the transmission wheel 15, and the multiple transmission wheels 15 on the same side are driven by the same transmission belt. The surface of the transmission wheel 15 is fixedly connected to the servo motor 16, and the servo motor 16 is fixedly connected to the straightening frame 4.

[0026] As a technical optimization solution of the utility model, by setting the transmission wheel 15 and the servo motor 16, traction can be provided for the oil pipe, so that it can be automatically moved and straightened, which is convenient for the staff to use.

[0027] refer to Figure 4 The surface of the straightening wheel 11 is symmetrically provided with embedding grooves 17, and a retaining frame 18 is fixedly connected to the inside of the embedding groove 17. A plurality of rolling balls 19 are rotatably connected to the inside of the retaining frame 18, and the plurality of rolling balls 19 are evenly arranged in a ring shape and rollingly connected to the cross straightening groove 10.

[0028] As a technical optimization solution of the utility model, by setting the embedded groove 17, the retaining frame 18 and the rolling ball 19, the gap between the straightening wheel 11 and the cross straightening groove 10 can be filled to prevent the straightening wheel 11 from shifting during use, thereby improving the straightening effect of the straightening wheel 11.

[0029] refer to Figure 1 and Figure 2The input port of the input ring 7 is in the shape of a truncated cone, and the output port of the output ring 8 is in the shape of a barrel.

[0030] As a technical optimization solution of the utility model, the input port of the input ring 7 is set in a truncated cone shape, so that the bent oil pipe can be guided, and the output port of the output ring 8 is set in a barrel shape, so that the corrected oil pipe can be straightened again.

[0031] refer to Figure 3 The center of the circle formed by the four annular grooves 12 of the same cross section is located on the same horizontal line as the center of the input ring 7 and the center of the output ring 8.

[0032] As a technical optimization solution of the utility model, by setting the center of the circle formed by the four annular grooves 12 of the same cross section to be on the same horizontal line as the center of the input ring 7 and the output ring 8, it can be ensured that the oil pipe can move on a horizontal line, thereby ensuring the straightening effect thereof.

[0033] The working principle and use process of the utility model are as follows: when the staff uses the oil pipe straightening machine, first the device is moved to the specified position through the universal wheel 3, and then the torsion column 13 is rotated to drive the brake block 14 to descend to fit the ground, so that the device can be braked, and then the device is connected to an external power supply, and then the oil pipe to be straightened is inserted into the input ring 7, so that it passes through multiple annular grooves 12 in sequence and passes through the output ring 8. At this time, the servo motor 16 can be started, and then the transmission wheel 15 can be driven to rotate, so that the straightening wheel 11 can be rotated, and then traction can be provided for the oil pipe, so that it can automatically move and straighten. At this time, the gap between the straightening wheel 11 and the cross straightening groove 10 can be filled through the cooperation of the embedded groove 17, the retaining frame 18 and the rolling ball 19, so as to prevent the straightening wheel 11 from deviating during use, and the oil pipe can be straightened in four directions of up, down, left and right, so that the oil pipe can be straightened in four directions in a simple and effective manner, thereby improving the straightening effect of the oil pipe.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] 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. An oil pipe straightening machine, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected to a support frame (2), the bottom of the support frame (2) is fixedly connected to a plurality of universal wheels (3), and the plurality of universal wheels (3) are evenly arranged; the top of the support frame (2) is fixedly connected to a straightening frame (4); the two sides of the support frame (2) are respectively fixedly connected to an input frame (5) and an output frame (6); the inner walls of the input frame (5) and the output frame (6) are fixedly connected to an input ring (7) and an output ring (8); the interior of the straightening frame (4) is fixedly connected to a cross body (9); the inner wall of the cross body (9) is provided with a cross straightening groove (10); the inner wall of the cross straightening groove (10) is rotatably connected to a plurality of straightening wheels (11); the plurality of straightening wheels (11) are arranged in pairs in a cross-symmetric manner and are evenly arranged in the transverse direction; the surface of the straightening wheel (11) is provided with an annular groove (12), and the annular groove (12) is used in conjunction with the input ring (7) and the output ring (8) respectively.

2. The oil pipe straightening machine according to claim 1, characterized in that: Torsion columns (13) are threadedly connected to both sides of the support frame (2), and a brake block (14) is fixedly connected to the bottom of the torsion column (13).

3. The oil pipe straightening machine according to claim 1, characterized in that: The transmission shafts of the plurality of straightening wheels (11) all penetrate the cross body (9) and are fixedly connected to the transmission wheels (15), and the plurality of transmission wheels (15) on the same side are all driven by the same transmission belt, and the surface of the transmission wheel (15) is fixedly connected to a servo motor (16), and the servo motor (16) is fixedly connected to the straightening frame (4).

4. The oil pipe straightening machine according to claim 1, characterized in that: The surface of the straightening wheel (11) is symmetrically provided with an embedding groove (17), the interior of the embedding groove (17) is fixedly connected to a retaining frame (18), the interior of the retaining frame (18) is rotatably connected to a plurality of rolling balls (19), and the plurality of rolling balls (19) are evenly arranged in a ring shape and are rollingly connected to the cross straightening groove (10).

5. The oil pipe straightening machine according to claim 1, characterized in that: The input port of the input ring (7) is in the shape of a truncated cone, and the output port of the output ring (8) is in the shape of a cylindrical barrel.

6. The oil pipe straightening machine according to claim 1, characterized in that: The center of a circle formed by the four annular grooves (12) of the same cross section is located on the same horizontal line as the center of the input ring (7) and the center of the output ring (8).

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