Sucker rod buckling and screwing-on and screwing-off device

Abstract

The utility model belongs to the technical field of lower sucker rods, and particularly relates to a sucker rod buckling and screwing-on and screwing-off device which comprises a sucker rod and a buckling device mechanism used for guiding and positioning buckling of the sucker rod, and the buckling device mechanism comprises a buckling box, a splash-proof buckling cap, an upper guide rubber sheet, a lower guide rubber sheet and a guide bushing. The splash-proof buckling cap is fixedly connected to the inner side of the buckling box, an opening in the lower end of the splash-proof buckling cap is connected with the upper guide rubber sheet, an opening in the lower end of the upper guide rubber sheet is connected with a guide bushing, and a lower guide rubber sheet is arranged below the guide bushing; the device has the characteristics of no need of manual screwing on and screwing off, labor intensity reduction and labor cost saving.

Description

Technical Field

[0001] The utility model belongs to the technical field of lower sucker rods, and in particular relates to a sucker rod buckling and buckling device. Background Art

[0002] At present, manual operation is required for the installation and removal of sucker rods, which is labor-intensive and labor-intensive. In addition, the installation and removal of sucker rods of different sizes are too complicated, and the installation and removal devices cannot be integrated to integrate the installation and removal of sucker rods and tubing.

[0003] In order to solve the above problems, the present application proposes a sucker rod buckling and buckling device. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a sucker rod buckling and buckling device, which has the characteristics of not requiring manual buckling and buckling, reducing labor intensity and saving labor costs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sucker rod buckling and buckling-off device, comprising a sucker rod, and a buckling device mechanism for guiding and positioning the sucker rod buckling;

[0006] The buckle device mechanism comprises a buckle box, a splash-proof buckle cap, an upper guide rubber, a lower guide rubber and a guide bushing. The splash-proof buckle cap is fixedly connected to the inner side of the buckle box, the lower end opening of the splash-proof buckle cap is connected to the upper guide rubber, the lower end opening of the upper guide rubber is connected to the guide bushing, and the lower guide rubber is arranged below the guide bushing.

[0007] As a preferred sucker rod buckling and buckling and unbuckling device of the utility model, the lower end of the guide bushing is connected to the buckle box through an adjusting mounting frame, the surface of the buckle box is connected with an adjusting bolt, and the end of the adjusting bolt is connected to the adjusting mounting frame.

[0008] As a preferred sucker rod buckling and buckling device of the utility model, a buffer pad is sleeved on the surface of the guide bushing, a ring is fixedly connected to the surface of the buffer pad, and the ring is fixedly connected to the inner surface of the buckle box.

[0009] As a preferred embodiment of the sucker rod buckling and buckling-off device of the utility model, a protective shell is installed on the surface of the buckling box, and a connecting strip is fixedly connected to the surface of the protective shell.

[0010] As a preferred embodiment of the sucker rod buckling and buckling-off device of the utility model, it also includes a buckling-off mechanism arranged on one side of the buckling device mechanism;

[0011] The buckle-on and buckle-off mechanism comprises a slide rail, a bracket, a power tongs jaws, an oil cylinder and a base plate, wherein the power tongs jaws are mounted on the surface of the base plate, the base plate is slidably connected to the slide rail, the slide rail is mounted on the surface of the bracket, the output shaft of the oil cylinder is fixedly connected to the surface of the buckle box, and the oil cylinder is mounted between the two connecting strips.

[0012] As a preferred embodiment of the sucker rod buckling and buckling-off device of the utility model, it also includes a hanging mechanism arranged on the surface of the buckling-off mechanism;

[0013] The suspension mechanism comprises a suspension shaft, a suspension frame and a connecting piece, one end of the connecting piece is connected to the bracket, the other end of the connecting piece is connected to the suspension shaft, and the suspension shaft is installed on the surface of the suspension frame.

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

[0015] 1. The driller's operating procedure controls the hydraulic system to achieve the operation of putting on and breaking off the sucker rod. Manual putting on and breaking off is not required, which reduces labor intensity and saves labor costs;

[0016] 2. The bolting and unbolting operations of sucker rods of different sizes can be realized by replacing the power tongs teeth, and the replacement is convenient and quick;

[0017] 3. The fastening and make-up and make-up breakout devices integrate the sucker rod and tubing make-up and make-up breakout operations. The degree of integration is high. By replacing the power tongs teeth, the transformation of tubing and sucker rod make-up and make-up breakout operations can be realized, making wellhead operations more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the upper guide rubber in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the buckle box in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the suspension frame in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the sucker rod in the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the suspension shaft in the utility model;

[0025] In the figure:

[0026] 1. Sucker rod;

[0027] 2. Snap-on device mechanism; 22. Snap-on box; 24. Guide bushing; 25. Adjustment bolt; 26. Lower guide rubber; 28. Adjustment mounting frame; 29. ​​Ring; 211. Buffer pad; 212. Upper guide rubber; 214. Connecting strip; 215. Protective shell; 216. Splash-proof snap-on cap;

[0028] 3. Buckle-making and unbuckling mechanism; 31. Slide rail; 32. Bracket; 33. Power tongs; 34. Oil cylinder; 35. Bottom plate;

[0029] 4. Suspension mechanism; 41. Connecting piece; 42. Suspension shaft; 43. Suspension bracket. DETAILED DESCRIPTION

[0030] 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.

[0031] At present, manual buckling and unbuckling are required during the operation of putting on and unbuckling the sucker rod. The labor intensity and labor cost of this process are high. At the same time, the process of putting on and unbuckling the sucker rods of different sizes is too complicated, and it is impossible to integrate the sucker rod and the oil pipe putting on and unbuckling operations into one. In terms of combined use, this problem is obviously a real problem that exists and is difficult to solve. In view of this, in order to solve this technical problem, the following improvement plan is proposed.

[0032] Example 1

[0033] like Figure 1 and Figure 6 As shown;

[0034] A sucker rod buckling and buckling device, comprising a sucker rod 1, and a buckling device mechanism 2 for buckling and positioning the sucker rod 1;

[0035] The bolting device mechanism 2 includes a bolting box 22, a splash-proof bolting cap 216, an upper guide rubber 212, a lower guide rubber 26 and a guide bushing 24. The splash-proof bolting cap 216 is fixedly connected to the inner side of the bolting box 22. The upper guide rubber 212 is connected to the lower opening of the splash-proof bolting cap 216. The guide bushing 24 is connected to the lower opening of the upper guide rubber 212. The lower guide rubber 26 is arranged below the guide bushing 24.

[0036] In this embodiment, since the locking box 22, the splash-proof locking cap 216, the upper guide rubber 212, the lower guide rubber 26 and the guide bushing 24 are provided, the staff can guide the sucker rod 1 to enter the inside of the locking device mechanism 2 under the guidance of the upper guide rubber 212 and the lower guide rubber 26, and the sucker rods 1 at both ends complete the locking under the guidance and positioning of the internal guide bushing 24.

[0037] Going further:

[0038] In an optional embodiment, the lower end of the guide bushing 24 is connected to the buckle box 22 via an adjustment mounting frame 28 , an adjustment bolt 25 is connected to the surface of the buckle box 22 , and the end of the adjustment bolt 25 is connected to the adjustment mounting frame 28 .

[0039] In this embodiment, since the adjusting bolts 25 and the adjusting mounting frame 28 are provided, during the buckling process of the sucker rods 1 at both ends, the buckling process can be fine-tuned by controlling the adjusting mounting frame 28 through the adjusting bolts 25 .

[0040] Going further:

[0041] In an optional embodiment, a buffer pad 211 is sleeved on the surface of the guide bushing 24 , a collar 29 is fixedly connected to the surface of the buffer pad 211 , and the collar 29 is fixedly connected to the inner surface of the fastening box 22 .

[0042] In this embodiment, since the surface of the guide bushing 24 is sleeved with a collar 29 and a buffer pad 211 , this design can provide protection for the butt joint of the sucker rod 1 .

[0043] Going further:

[0044] In an optional embodiment, a protective shell 215 is installed on the surface of the buckle box 22 , and a connecting strip 214 is fixedly connected to the surface of the protective shell 215 .

[0045] In this embodiment, since the surface of the buckle box 22 is provided with a protective shell 215 and a connecting strip 214 , this design can further improve the safety effect of the sucker rod 1 .

[0046] Going further:

[0047] In an optional embodiment, it further includes an upper and lower buckle release mechanism 3 disposed on one side of the buckle device mechanism 2;

[0048] The upper and lower buckle release mechanism 3 includes a slide rail 31, a bracket 32, a power tongs jaws 33, a cylinder 34 and a base plate 35. The power tongs jaws 33 are installed on the surface of the base plate 35. The base plate 35 is slidably connected to the slide rail 31. The slide rail 31 is installed on the surface of the bracket 32. The output shaft of the cylinder 34 is fixedly connected to the surface of the buckle box 22. The cylinder 34 is installed between the two connecting bars 214.

[0049] In this embodiment: because a power tongs teeth 33 are provided, the power tongs teeth 33 are pushed out to the center of the wellhead by a hydraulic cylinder, the main and back teeth of the power tongs teeth 33 are extended, and the teeth clamp the sucker rod 1 flat square at both ends of the coupling to perform the sucker rod 1 buckling operation, and because an oil cylinder 34 is provided, the buckling box 22 is pushed by the oil cylinder 34, thereby driving the buckling device mechanism 2.

[0050] It should be noted that the bracket 32 ​​is divided into two parts, an upper part and a lower part, and the surface of each part is provided with power tongs teeth 33 .

[0051] Going further:

[0052] In an optional embodiment, it further includes a hanging mechanism 4 arranged on the surface of the upper shackle mechanism 3;

[0053] The suspension mechanism 4 includes a suspension shaft 42 , a suspension frame 43 and a connecting member 41 . One end of the connecting member 41 is connected to the bracket 32 ​​, and the other end of the connecting member 41 is connected to the suspension shaft 42 . The suspension shaft 42 is mounted on the surface of the suspension frame 43 .

[0054] In this embodiment, since a suspension shaft 42 is provided, the power tongs teeth 33 are suspended by the suspension shaft 42 with a spring, and the up-and-down moving distance of the power tongs teeth 33 can be adjusted, thereby completing the make-up operation of the sucker rod 1 .

[0055] It should be noted that the connecting member 41 is connected to the bracket 32 ​​located at the upper part.

[0056] The working principle and use process of the utility model are as follows: because a buckle box 22, a splash-proof buckle cap 216, an upper guide rubber 212, a lower guide rubber 26 and a guide bushing 24 are provided, the staff can enter the inside of the buckle device mechanism 2 by the upper guide rubber 212 and the lower guide rubber 26, and the sucker rods 1 at both ends are buckled under the guidance and positioning of the internal guide bushing 24. Because an adjusting bolt 25 and an adjusting mounting frame 28 are provided, during the buckle process of the sucker rods 1 at both ends, the adjusting bolt 25 can be used to control the adjusting mounting frame 28 to fine-tune the buckle process. Because the surface of the guide bushing 24 is sleeved with a collar 29 and a buffer pad 211, this design is adopted. The butt joint of the sucker rod 1 can be protected. A protective shell 215 and a connecting strip 214 are installed on the surface of the buckle box 22. This design can further improve the safety of the sucker rod 1. A power clamp tooth 33 is provided. The power clamp tooth 33 is pushed out to the center of the wellhead by a hydraulic cylinder. The main and back clamp teeth of the power clamp tooth 33 are extended. The clamp teeth clamp the flat square of the sucker rod 1 at both ends of the coupling to perform the buckling operation of the sucker rod 1. An oil cylinder 34 is provided. The buckle box 22 is pushed by the oil cylinder 34, and then the buckle device mechanism 2 is driven. The bracket 32 ​​is divided into an upper and lower part, and the surface of each part is provided with a power clamp tooth 33. A suspension shaft 42 is provided. Through a suspension with a spring The hanging shaft 42 hangs the power tongs teeth 33, and the up and down moving distance of the power tongs teeth 33 can be adjusted to complete the buckling operation of the sucker rod 1, and the connecting piece 41 is connected to the bracket 32 ​​located at the upper part. When the sucker rod 1 is lowered, the sucker rod 1 buckling and buckling device platform is adjusted and aligned with the wellhead center, the buckling boxes 22 on both sides of the buckling device mechanism 2 are closed, and the elevator lowers the sucker rod 1. Under the guidance of the upper guide rubber 212 and the lower guide rubber 26, the sucker rod 1 enters the inside of the buckling device mechanism 2. Under the guidance and positioning of the internal guide bushing 24, the sucker rods 1 at both ends are buckled. After the buckling is completed, the buckling device mechanism 2 is opened on both sides, and the power tongs teeth 33 The power tongs 33 are pushed out by the oil cylinder 34 to the center of the wellhead, the main and back teeth of the power tongs 33 are extended, and the teeth clamp the sucker rod 1 flat square at both ends of the coupling, when the sucker rod 1 is put on and unbuckled, when the sucker rod 1 is lifted, the sucker rod 1 buckle and the platform of the unbuckle device are adjusted and aligned with the center of the wellhead, and the power tongs 33 are pushed out by the hydraulic cylinder to the center of the wellhead, the main and back teeth of the power tongs 33 are extended, and the teeth clamp the sucker rod 1 flat square at both ends of the coupling, and the sucker rod 1 is unbuckled. After the power tongs 33 unbuckled, the power tongs 33 return to the original position to make way for the wellhead center operating position, the elevator lifts the upper sucker rod 1 away, and the sucker rod lifting process is completed.

[0057] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sucker rod buckling and buckling device, comprising a sucker rod (1), characterized in that: It also includes a locking device mechanism (2) for guiding and positioning the locking of the sucker rod; The buckle device mechanism (2) comprises a buckle box (22), a splash-proof buckle cap (216), an upper guide rubber (212), a lower guide rubber (26) and a guide bushing (24); the splash-proof buckle cap (216) is fixedly connected to the inner side of the buckle box (22); the upper guide rubber (212) is connected to the lower opening of the splash-proof buckle cap (216); the guide bushing (24) is connected to the lower opening of the upper guide rubber (212); and the lower guide rubber (26) is arranged below the guide bushing (24); It also includes an upper and lower buckle mechanism (3) arranged on one side of the buckle device mechanism (2); The buckle-on / off mechanism (3) comprises a slide rail (31), a bracket (32), a power tongs jaws (33), an oil cylinder (34) and a bottom plate (35); the power tongs jaws (33) are mounted on the surface of the bottom plate (35); the bottom plate (35) is slidably connected to the slide rail (31); the slide rail (31) is mounted on the surface of the bracket (32); and the output shaft of the oil cylinder (34) is fixedly connected to the surface of the buckle box (22); It also includes a hanging mechanism (4) arranged on the surface of the upper shackle mechanism (3); The suspension mechanism (4) comprises a suspension shaft (42), a suspension frame (43) and a connecting member (41); one end of the connecting member (41) is connected to the bracket (32); the other end of the connecting member (41) is connected to the suspension shaft (42); and the suspension shaft (42) is mounted on the surface of the suspension frame (43).

2. The sucker rod buckling and buckling device according to claim 1, characterized in that: The lower end of the guide bushing (24) is connected to the inside of the fastening box (22) via an adjusting mounting frame (28); an adjusting bolt (25) is connected to the surface of the fastening box (22), and the end of the adjusting bolt (25) is connected to the adjusting mounting frame (28).

3. The sucker rod buckling and buckling device according to claim 1, characterized in that: A buffer pad (211) is sleeved on the surface of the guide bushing (24), a sleeve ring (29) is fixedly connected to the surface of the buffer pad (211), and the sleeve ring (29) is fixedly connected to the inner surface of the buckle box (22).

4. The sucker rod buckling and buckling device according to claim 1, characterized in that: A protective shell (215) is installed on the surface of the buckle box (22), a connecting strip (214) is fixedly connected to the surface of the protective shell (215), and the oil cylinder (34) is installed between two connecting strips (214).

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