CN214944096U - Screw pump polished rod and lifting rod's make-up device - Google Patents
Screw pump polished rod and lifting rod's make-up device Download PDFInfo
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- CN214944096U CN214944096U CN202121084252.9U CN202121084252U CN214944096U CN 214944096 U CN214944096 U CN 214944096U CN 202121084252 U CN202121084252 U CN 202121084252U CN 214944096 U CN214944096 U CN 214944096U
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- 238000000605 extraction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of oil extraction mechanical equipment, in particular to a screw pump polished rod and lifting rod butt-joint device, which comprises a first fastener, a second fastener and a locking component; the first fastener and the second fastener are mutually buckled and are constructed into a main body with a hollow structure; the hollow structure includes: the first guide hole, the connecting groove and the second guide hole; the first guide hole, the guide groove and the second guide hole are sequentially and coaxially arranged; the first guide hole is a round hole and is used for guiding a screw pump polished rod; the cross section of the guide groove is in a circular arc shape; the second guide hole is a round hole and is used for guiding the lifting rod; the diameter of the arc of the guide groove is not smaller than that of the first guide hole; the diameter of the arc of the guide groove is not smaller than that of the second guide hole; the locking component can be detachably arranged on the first fastener and the second fastener to lock. Adopt the utility model discloses make things convenient for screw pump polished rod and lifting rod centering, simplify and be connected, avoid polished rod and lifting rod screw thread damage.
Description
Technical Field
The utility model relates to an oil recovery mechanical equipment technical field especially relates to a screw pump polished rod and pull rod's make-up device.
Background
The directional well and the horizontal well in the current oil extraction technology are widely applied; the shallow directional well has no straight well section due to shallow depth, and the well head part is inclined to the ground, so that the directional well is special in equipment maintenance. In the thick oil thermal recovery process of the screw pump, steam needs to be injected into the well periodically, and a rotor of the screw pump needs to be lifted out of a stator before the steam is injected so as to be convenient for the steam to be injected into an oil production layer through a stator channel; also, during pump testing in deviated wells, the rotor needs to be lifted out of the well. In the construction process, the polished rod needs to be lifted out of the well, but the polished rod section reserved outside the driving head is short, and a lifting rod with a certain length needs to be installed on the polished rod; because the polished rod has a certain inclination angle, the polished rod and the lifting rod are very difficult to align and thread, and the polished rod screw thread is easy to scratch or even damage, so that the subsequent thread-off and thread-on are difficult.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a make up device of screw pump polished rod and lifting rod, main aim at makes things convenient for the screw pump polished rod and lifting rod centering, simplifies and is connected, avoids polished rod and lifting rod screw thread damage.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a buckling device of a screw pump polished rod and a lifting rod, which comprises a first fastener, a second fastener and a locking component;
the first fastener and the second fastener are mutually buckled and are constructed into a main body with a hollow structure;
the hollow structure includes: the guide groove comprises a first guide hole, a guide groove and a second guide hole;
the first guide hole, the guide groove and the second guide hole are arranged in sequence;
the first guide hole is a round hole and is used for guiding a screw pump polished rod; the first guide hole has a first preset length;
the cross section of the guide groove is in a circular arc shape; the guide groove has a second preset length;
the second guide hole is a round hole and is used for guiding the lifting rod; the second guide hole has a predetermined length of three;
the first guide hole, the guide groove and the second guide hole are coaxially arranged;
the diameter of the arc of the guide groove is not smaller than that of the first guide hole;
the diameter of the arc of the guide groove is not smaller than that of the second guide hole;
the locking member can be detachably arranged on the first fastener and the second fastener so as to lock the first fastener and the second fastener.
Furthermore, the cross section of the part, corresponding to the first guide hole, of the first fastener is in a sector ring shape;
the cross section of the part, corresponding to the second guide hole, of the first fastener is in a fan-shaped ring shape;
on the first fastener, the cross section of the part corresponding to the guide groove is in a sector ring shape.
Furthermore, the cross section of the part, corresponding to the first guide hole, of the second fastener is in a sector ring shape;
the cross section of the part, corresponding to the second guide hole, of the second fastener is in a fan-shaped ring shape;
and the cross section of the part, corresponding to the guide groove, of the second fastener is in a sector ring shape.
Furthermore, the cross section of the part, corresponding to the first guide hole, of the first fastener is in a semicircular ring shape;
the cross section of the part, corresponding to the second guide hole, of the first fastener is semicircular;
the cross section of the part, corresponding to the guide groove, of the first fastener is 1/4 sector-shaped.
Furthermore, the cross section of the part, corresponding to the first guide hole, of the second fastener is in a semicircular ring shape;
the cross section of the part, corresponding to the second guide hole, of the second fastener is in a semicircular ring shape;
and the cross section of the part, corresponding to the guide groove, of the second fastener is 1/4 sector-shaped.
Further, the first fastener and the second fastener are symmetrically arranged.
Furthermore, a concave part is arranged on the abutting surface of the first fastener facing the second fastener;
a convex part is arranged on the binding surface of the second fastener facing the first fastener;
the concave part is arranged corresponding to the convex part; when the first fastener is fastened with the second fastener, the convex part is inserted into the concave part.
Further, the second fastener is provided with a threaded hole;
the locking component penetrates through the first fastener and is connected with the second fastener through threads.
Further, the locking component is of a hoop structure; the locking component is clamped on the outer walls of the first fastener and the second fastener.
Further, the number of the locking members is at least two; at least two locking members are respectively provided on the body corresponding to the first guide hole and the second guide hole.
Borrow by above-mentioned technical scheme, the utility model discloses screw pump polished rod has following advantage with the make-up device of lifting rod at least:
the screw pump polished rod and the lifting rod can be conveniently centered, the connection is simplified, and the polished rod and the lifting rod thread are prevented from being damaged.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic top view of a screw pump polished rod and lifting rod buckling device according to an embodiment of the present invention;
fig. 2 is a schematic view of an a-a direction of a screw pump polished rod and lifting rod buckling device according to an embodiment of the present invention;
fig. 3 is a schematic front view of a screw pump polished rod and lifting rod buckling device according to an embodiment of the present invention;
fig. 4 is a schematic side view of a screw pump polished rod and lifting rod buckling device according to an embodiment of the present invention;
fig. 5 is a schematic view of a screw pump polished rod and lifting rod buckling device according to an embodiment of the present invention during operation.
Shown in the figure:
the device comprises a first fastener 1, a second fastener 2, a first guide hole 2-1, a guide groove 2-2, a second guide hole 2-3, a locking member 3, a polish rod 4, a lifting rod 5, a steel wire rope 6, a crane 7 and a hanging cylinder body 8.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 to 5, in an embodiment of the present invention, a screw pump polished rod and lifting rod buckling device is provided, in which a polished rod 4 is connected to a motor and a screw pump to transmit a motor torque to a downhole screw pump; the lifting rod 5 is used for lifting the polished rod 4, the pulling force of the crane 7 is transmitted to the polished rod 4 in the lifting process, and finally the underground screw pump rotor is transmitted and lifted for a certain distance, so that steam injection is facilitated. The utility model provides a buckling device of a screw pump polished rod 4 and a lifting rod 5, which comprises a first fastener 1, a second fastener 2 and a locking component 3; the first fastener 1 and the second fastener 2 are mutually buckled and are constructed into a main body with a hollow structure; the hollow structure includes: the first guide hole 2-1, the connecting groove and the second guide hole 2-3; the first guide hole 2-1, the guide groove 2-2 and the second guide hole 2-3 are sequentially arranged;
the first guide hole 2-1 is a round hole and is used for guiding a screw pump polished rod 4; the polished rod 4 is connected with the motor and the screw pump and transmits the torque of the motor to the underground screw pump. The first guide hole guides the polish rod 4 into the guide groove 2-2 and keeps the exterior of the polish rod 4 parallel to the inner wall of the guide groove 2-2, and the inner diameter of the polish rod 4 is slightly smaller than the outer diameter of the polish rod 4. The first guide hole 2-1 has a predetermined length one; the preferred embodiment of the present invention is that the predetermined length-one is at least 10 cm.
The cross section of the guide groove 2-2 is arc-shaped; when the lifting rod 5 is buckled with the polish rod 4, the guide and support functions are realized, and the inner diameter of the lifting rod is slightly larger than the outer diameter of the lifting rod 5; the guide groove 2-2 has a preset length two so as to meet the buckling requirement; can be determined according to the specific size of the polish rod 4 and the lifting rod 5.
The second guide hole 2-3 is a round hole and is used for guiding the lifting rod 5; the end part of the second guide hole 2-3 is provided with a flaring structure so as to guide the lifting rod 5 to enter the second guide hole 2-3. In the buckling process, the second guide hole 2-3 interacts with the guide groove 2-2, so that the lifting rod 5 is basically parallel to the guide groove 2-2, the lifting rod 5 is conveniently buckled with the polish rod 4, the inner diameter of the lifting rod is slightly larger than the outer diameter of the lifting rod 5, and the lifting rod 5 can rotate in the buckling process.
The second guide hole 2-3 has a predetermined length of three; the predetermined length-preferably greater than the predetermined length-is preferred in this embodiment to facilitate keeping the polished rod 4 coaxial with the body and to enable the body to be fastened to the polished rod 4.
The first guide hole 2-1, the guide groove 2-2 and the second guide hole 2-3 are coaxially arranged to guide the polish rod 4 and the lifting rod 5 to the same axis. The diameter of the arc of the guide groove 2-2 is not smaller than that of the first guide hole 2-1; the arc diameter of the guide groove 2-2 is not smaller than the diameter of the second guide hole 2-3, so that the lifting rod 5 can rotate relative to the polish rod 4, and butt joint is realized in the guide groove 2-2.
The locking member 3 is detachably provided on the first fastening member 1 and the second fastening member 2 to lock the first fastening member 1 and the second fastening member 2. The locking member 3 can pre-tighten the polish rod 4 through the first guide hole to fix the first fastener 1 and the second fastener 2 on the polish rod 4.
The utility model discloses a screw pump polished rod and lifting rod's make-up device can make things convenient for screw pump polished rod 4 and lifting rod 5 centering, simplifies being connected of screw pump polished rod 4 and lifting rod 5, reduces the operation degree of difficulty, promotes operating efficiency, avoids polished rod and lifting rod screw thread damage.
During operation, the first guide hole 2-1 of the first fastener 1 and the second fastener 2 is arranged on the polish rod 4, the polish rod 4 penetrates through the first guide hole 2-1, and the reserved length in the guide groove 2-2 meets the buckling requirement; installing and fastening the locking member 3; the crane 7 lifts the lifting rod 5 through the steel wire rope 6, the lifting rod 5 penetrates through the second guide hole 2-3 and enters the guide groove 2-2, the crane 7 is slowly lowered, the lifting rod 5 slides to the polished rod 4 in the guide groove 2-2, the lifting rod 5 and the polished rod 4 are buckled in a butt joint mode in the guide groove 2-2, the lifting rod 5 is rotated after the buckling is successful, and the buckling is finished after the polished rod 4 and the lifting rod 5 are firmly connected.
When the polished rod 4 is fastened in the first guide hole, the position of the polished rod 4 relative to the body is kept unchanged, and after the lifting rod 5 enters the guide groove 2-2, under the combined action of the guide groove 2-2 and the second guide hole, the central line of the lifting rod 5 and the central line of the polished rod 4 are basically kept on the same straight line, so that the opposite buckling is easier, the wrong buckling caused by inclination can not occur, the screw thread is damaged, and the upper buckling is more convenient and easier.
As a preference of the above embodiment, the cross section of the portion of the first fastening member 1 corresponding to the first guide hole 2-1 is a sector ring shape; the cross section of the part, corresponding to the second guide hole 2-3, on the first fastener 1 is in a fan-shaped ring shape; the cross section of the part of the first fastener 1 corresponding to the guide groove 2-2 is in a fan-shaped ring shape. Preferably, the cross section of the part of the second fastening piece 2 corresponding to the first guide hole 2-1 is fan-shaped; the cross section of the part, corresponding to the second guide hole 2-3, on the second fastener 2 is in a fan-shaped ring shape; the cross section of the second fastening member 2 corresponding to the guide groove 2-2 is fan-ring shaped, so that the first fastening member 1 and the second fastening member 2 are constructed as a body having a hollow structure; the sizes of the fan rings of the first fastener 1 and the second fastener 2 can be the same or different; the sizes of the corresponding round angles of the fan rings of different parts of the first fastener 1 can be the same or different; the sizes of the corresponding fillets of the fan rings of different parts of the second fastening piece 2 can be the same or different, so that when the first fastening piece 1 and the second fastening piece 2 are fastened with each other, a first guide hole 2-1, a guide groove 2-2 and a second guide hole 2-3 are formed on the inner sides of the first fastening piece 1 and the second fastening piece 2.
Further preferably, the cross section of the part of the first fastener 1 corresponding to the first guide hole 2-1 is semicircular; the cross section of the part, corresponding to the second guide hole 2-3, on the first fastener 1 is in a semicircular ring shape; the cross section of the part of the first fastener 1 corresponding to the guide groove 2-2 is 1/4 sector rings. The cross section of the part, corresponding to the first guide hole 2-1, on the second fastener 2 is in a semicircular ring shape; the cross section of the part, corresponding to the second guide hole 2-3, on the second fastener 2 is in a semicircular ring shape; the cross section of the part of the second fastening member 2 corresponding to the guide groove 2-2 is 1/4 sector rings, so that the inner side structures of the first fastening member 1 and the second fastening member 2 are the same, and the processing is convenient. Further preferably, the first fastening member 1 and the second fastening member 2 are symmetrically arranged, and the first fastening member 1 and the second fastening member 2 have the same structure, so that the processing and the use are facilitated.
As a preferable example of the above embodiment, the first hook and loop fastener 1 has a concave portion on its contact surface facing the second hook and loop fastener 2; a convex part is arranged on the binding surface of the second fastener 2 facing the first fastener 1; the concave part is arranged corresponding to the convex part; when the first fastening member 1 is fastened with the second fastening member 2, the convex portion is inserted into the concave portion so that no axial displacement occurs when the first fastening member 1 is fastened with the second fastening member 2.
Preferably, the second fastening member 2 has a threaded hole; the locking component 3 passes through the first fastener 1 and is connected with the second fastener 2 through threads; preferably, the locking member 3 is a bolt to fasten the first fastening member 1 and the second fastening member 2 by the bolt, and has a reliable structure and convenient disassembly. Alternatively, the locking member 3 is of a clip structure; the locking component 3 is clamped on the outer walls of the first fastener 1 and the second fastener 2. Further preferably, the number of the locking members 3 is at least two; at least two locking members 3 are respectively provided on the bodies corresponding to the first guide hole 2-1 and the second guide hole 2-3 to respectively lock both ends of the bodies.
The lifting rod 5 is provided with a hanging cylinder body 8; the hanging cylinder body 8 is sleeved on the lifting rod 5; the inner diameter of the lifting rod is slightly larger than the outer diameter of the lifting rod 5, so that the lifting rod 5 can be easily rotated and is convenient to buckle. The lifting lug is arranged on the lifting cylinder body 8; providing a force application point for the crane 7; during the hoisting operation, the lifting rod 5 penetrates into the hoisting barrel, the sling penetrates through the lifting lug, and the pulling force of the crane 7 is transmitted to the lifting rod 5.
The utility model discloses a screw pump polished rod and pull rod's make-up device has solved inclined shaft screw pump oil recovery in-process steam injection technology and has examined pump rotor lifting process, polished rod 4 and pull rod 5 the centering, make up very troublesome, polished rod 4 and pull rod 5 the easy scratch of screw thread, damage, lead to making up and break out difficult scheduling problem.
Further still, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with such terms being used only to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, the terms first, second, etc. do not denote any order or order, but rather the terms first, second, etc. are used to distinguish one element from another. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; may be a mechanical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The opposite buckling device for the polished rod and the lifting rod of the screw pump is characterized by comprising a first fastener, a second fastener and a locking component;
the first fastener and the second fastener are mutually buckled and are constructed into a main body with a hollow structure;
the hollow structure includes: the guide groove comprises a first guide hole, a guide groove and a second guide hole;
the first guide hole, the guide groove and the second guide hole are arranged in sequence;
the first guide hole is a round hole and is used for guiding a screw pump polished rod; the first guide hole has a first preset length;
the cross section of the guide groove is in a circular arc shape; the guide groove has a second preset length;
the second guide hole is a round hole and is used for guiding the lifting rod; the second guide hole has a predetermined length of three;
the first guide hole, the guide groove and the second guide hole are coaxially arranged;
the diameter of the arc of the guide groove is not smaller than that of the first guide hole;
the diameter of the arc of the guide groove is not smaller than that of the second guide hole;
the locking member can be detachably arranged on the first fastener and the second fastener so as to lock the first fastener and the second fastener.
2. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 1,
the cross section of the part, corresponding to the first guide hole, of the first fastener is in a sector ring shape;
the cross section of the part, corresponding to the second guide hole, of the first fastener is in a fan-shaped ring shape;
on the first fastener, the cross section of the part corresponding to the guide groove is in a sector ring shape.
3. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 2,
the cross section of the part, corresponding to the first guide hole, of the second fastener is in a fan-shaped ring shape;
the cross section of the part, corresponding to the second guide hole, of the second fastener is in a fan-shaped ring shape;
and the cross section of the part, corresponding to the guide groove, of the second fastener is in a sector ring shape.
4. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 2,
the cross section of the part, corresponding to the first guide hole, of the first fastener is semicircular;
the cross section of the part, corresponding to the second guide hole, of the first fastener is semicircular;
the cross section of the part, corresponding to the guide groove, of the first fastener is 1/4 sector-shaped.
5. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 4,
the cross section of the part, corresponding to the first guide hole, of the second fastener is in a semicircular ring shape;
the cross section of the part, corresponding to the second guide hole, of the second fastener is in a semicircular ring shape;
and the cross section of the part, corresponding to the guide groove, of the second fastener is 1/4 sector-shaped.
6. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 5,
the first fastener and the second fastener are symmetrically arranged.
7. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 1,
a concave part is arranged on the binding surface of the first fastener facing the second fastener;
a convex part is arranged on the binding surface of the second fastener facing the first fastener;
the concave part is arranged corresponding to the convex part; when the first fastener is fastened with the second fastener, the convex part is inserted into the concave part.
8. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 1,
the second fastener is provided with a threaded hole;
the locking component penetrates through the first fastener and is connected with the second fastener through threads.
9. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 1,
the locking component is of a hoop structure; the locking component is clamped on the outer walls of the first fastener and the second fastener.
10. The opposite buckling device of a screw pump polish rod and a lifting rod according to claim 9,
the number of the locking components is at least two; at least two locking members are respectively provided on the body corresponding to the first guide hole and the second guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121084252.9U CN214944096U (en) | 2021-05-19 | 2021-05-19 | Screw pump polished rod and lifting rod's make-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121084252.9U CN214944096U (en) | 2021-05-19 | 2021-05-19 | Screw pump polished rod and lifting rod's make-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944096U true CN214944096U (en) | 2021-11-30 |
Family
ID=79061782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121084252.9U Active CN214944096U (en) | 2021-05-19 | 2021-05-19 | Screw pump polished rod and lifting rod's make-up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944096U (en) |
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2021
- 2021-05-19 CN CN202121084252.9U patent/CN214944096U/en active Active
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Effective date of registration: 20231010 Address after: No. a16-205, huifujiayuan, Karamay, Xinjiang Uygur Autonomous Region 834000 Patentee after: KARAMAY SHANGZHENG PETROLEUM TECHNOLOGY Co.,Ltd. Patentee after: Xinjiang Baohai Technology Development Co.,Ltd. Address before: No. a16-205, huifujiayuan, Karamay, Xinjiang Uygur Autonomous Region 834000 Patentee before: KARAMAY SHANGZHENG PETROLEUM TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |