CN114320184A - Self-positioning clamping elevator for sucker rod - Google Patents
Self-positioning clamping elevator for sucker rod Download PDFInfo
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- CN114320184A CN114320184A CN202111602409.7A CN202111602409A CN114320184A CN 114320184 A CN114320184 A CN 114320184A CN 202111602409 A CN202111602409 A CN 202111602409A CN 114320184 A CN114320184 A CN 114320184A
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- 230000007246 mechanism Effects 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 description 19
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 238000005086 pumping Methods 0.000 description 1
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Abstract
The invention discloses a self-positioning clamping elevator for a sucker rod, which comprises an elevator clamping and positioning device, wherein the elevator clamping and positioning device comprises an elevator outer shell and an elevator inner shell which is rotatably arranged in the elevator outer shell; a clamping device is arranged on the elevator inner shell; when the pressure sensor on the clamping jaw and the square plane of the wrench are between 0 and 45 degrees, the elevator inner shell can rotate due to the fixation of the elevator outer shell, so as to drive the clamping jaw to rotate, namely, the problem of disordered grabbing when the elevator clamping and positioning device clamps the wrench on the sucker rod is solved.
Description
Technical Field
The invention relates to the technical field of special tools in the oil and gas industry, in particular to a self-positioning clamping elevator for a sucker rod.
Background
At present, in the oil field well repairing operation process in China, the well mouth operation is still mainly performed by workers manually, and is heavy and dangerous labor. Therefore, a plurality of wellhead operation automation devices appear in China, the elevator is an important component of the automatic workover operation device, and the realization of elevator automation is one of main signs for realizing mechanization and automation of wellhead operation. The elevator is an important device for lifting and lowering oil pipes and sucker rods in the well drilling and repairing operation, and the performance of the elevator directly influences the efficiency and the safety of the well drilling and repairing operation. When an oil pipe and an oil pumping rod are lifted and lowered in the traditional well drilling and repairing operation, a construction process that two manual elevators are switched in turn is mainly adopted, and the construction process needs a series of repeated actions of picking, moving, hanging and the like on the elevators by field operators continuously. Although traditional manual elevator simple structure needs manual repeatability to operate, and intensity of labour is big, and easy operability error that takes place in the course of the work, has the potential safety hazard, and secondly this kind of traditional elevator is manual operation, and is automatic, intelligent degree low, serious hindrance the development of the automation of drilling and repairing well operation well head operation and intellectuality.
At the present stage, some power claws appear in domestic markets, the operation process of 'hanging and clamping' is realized, and a series of actions of repeatedly carrying and hanging the hanging clamp and the hanging ring by wellhead workers are omitted, so that the labor intensity of the workers is reduced. However, in the existing power claw, when the connection position of the clamping end surface of the claw and the sucker rod is not correct, the problem of clamping falling is easy to occur;
in order to solve the problem that the joint drops, through the mode of increase joint terminal surface area among the prior art, increase and the connection area of sucker rod, for example, the patent number is 201910056460.9 automatic elevator of sucker rod, and its technical scheme is: the upper end of the automatic elevator of the sucker rod is provided with a connecting part for connecting a hook of a workover rig, the automatic elevator of the sucker rod also comprises a shell, a claw and a driving device, the lower end of the driving device is provided with an executing part capable of moving up and down, the shell is a cylindrical body, the wall of the shell is provided with an upper chute and a lower chute, the inner wall of the shell is provided with an upper inclined plane and a lower inclined plane, the upper end of the shell is fixedly connected with the driving device, the lower end of the shell is provided with a horn-shaped guide port, the claw comprises an upper claw body, a lower claw body and a cambered beam, the upper claw body and the lower claw body are respectively provided with an inclined plane, the upper claw body and the lower claw body are arranged in the shell and are respectively contacted and matched with the upper inclined plane and the lower inclined plane of the shell through the inclined planes, the cambered beam is arranged outside the shell, the upper end and the lower end of the cambered beam extend into the shell through the upper chute and the lower chute of the shell and are respectively fixedly connected with the upper claw body and the lower claw body, the claw is symmetrically arranged in the shell, the upper claw body is provided with the shaft hole and connected with the executing part of the driving device through a pin shaft, and the jack catch can move transversely along the pin shaft, and is provided with a spring which keeps the jack catch open outwards, so that when the execution part of the driving device moves up and down, the jack catch can be driven to move up and down along the upper inclined plane and the lower inclined plane, and meanwhile, the folding and unfolding actions are realized. The claw is used for matching with a sucker rod coupling (an operation object), and the shape of the lower end of the claw is matched with that of the coupling. In the technical scheme, the single clamping part of the clamping jaw in the prior art is improved into an upper jaw body structure and a lower jaw body structure, and the sucker rod is clamped doubly through the upper jaw body and the lower jaw body; however, when the connection position of the clamping end faces of the upper and lower claw bodies and the sucker rod is not correct, the clamping is easy to fall off, that is, the technical problem is not completely solved
Therefore, it is necessary to develop an elevator capable of automatically adjusting the clamping position based on the existing jaw structure.
Disclosure of Invention
The invention aims to provide a self-positioning clamping elevator for a sucker rod, aiming at overcoming the defects and shortcomings of the prior art and realizing the unmanned operation of automatic positioning clamping in the lifting process of the sucker rod.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a self-positioning clamping elevator for a sucker rod, which comprises an elevator clamping and positioning device, wherein the elevator clamping and positioning device comprises an elevator outer shell and an elevator inner shell which is rotatably arranged in the elevator outer shell, a plurality of first positioning stop blocks are uniformly distributed on the inner wall of the elevator outer shell along the circumferential direction, adjacent first positioning stop blocks are connected through a slide way, a plurality of second positioning stop blocks are arranged on the outer wall of the elevator inner shell, and the second positioning stop blocks are positioned in the slide way; and a clamping device is arranged on the elevator inner shell and clamps the sucker rod through a clamping jaw.
A bearing is arranged between the elevator outer shell and the elevator inner shell.
The outer wall of the elevator shell is circumferentially and uniformly provided with a plurality of guide connecting pieces, and the guide connecting pieces are respectively connected with corresponding guide rods.
A plurality of support frames are uniformly distributed at the bottom of the elevator shell along the circumferential direction, and the bottom surfaces of the support frames are all positioned on the same plane.
The elevator shell is provided with a travel switch for determining a falling position.
The clamping device comprises a gear disc and a driving mechanism for driving the gear disc, wherein the gear disc is provided with a plurality of arc-shaped clamping grooves which are respectively connected with the clamping jaws, and the arc-shaped clamping grooves all face the center of the gear disc clockwise; the driving mechanism comprises a power motor and a driving gear which are connected, and the driving gear is meshed with the gear disc; the gear plate and the power motor are both installed on the elevator inner shell.
The clamping device further comprises a locking mechanism for applying locking acting force to the gear disc.
The locking mechanism comprises a locking motor, a crank turntable, a connecting rod and a sliding block which are connected in sequence, wherein the locking motor, the crank turntable and the sliding block are all arranged on the elevator inner shell; the sliding block comprises a cambered surface friction part and a sliding part which are connected, a meshing section and a cambered surface friction section are arranged on the circumferential surface of the gear disc, the meshing section is meshed with the driving gear, and the cambered surface friction section can be attached to the cambered surface friction part; and a guide sliding groove for the radial movement of the sliding part is formed in the mounting surface of the elevator inner shell.
The clamping jaw is of an L-shaped structure, the L-shaped structure comprises a clamping jaw body, and a clamping groove connecting piece and a clamping part which are arranged on the clamping jaw body, the clamping groove connecting piece is connected with the arc-shaped clamping groove, and the clamping groove connecting piece can move along the arc-shaped clamping groove; and a pressure sensor is arranged in the middle of the clamping part.
The upper end of the clamping part is provided with a flange clamping table; the edge of the clamping portion is of a transition arc structure.
Compared with the prior art, the invention has the following beneficial effects:
when the pressure sensor on the clamping jaw and the wrench square plane are between 0 and 45 degrees, the elevator inner shell can rotate due to the fixation of the elevator outer shell, so that the clamping jaw is driven to rotate, namely the problem of disordered grabbing existing when the elevator clamping and positioning device clamps the wrench square on the sucker rod is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a self-positioning gripping elevator for a sucker rod of the present invention in use;
FIG. 2 is a top plan view of the elevator clamp positioning device of FIG. 1;
FIG. 3 is a schematic view of the internal structural connections of the elevator clamping and positioning device of FIG. 1;
FIG. 4 is a schematic structural view of an elevator housing;
FIG. 5 is a schematic structural view of an inner shell of the elevator;
FIG. 6 is a schematic view of the jaw configuration;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic structural view of the locking mechanism;
FIG. 9 is a schematic view showing the state that the connecting position of the clamping end surface of the jaw and the sucker rod is not right;
wherein, 1-sucker rod; 2-hoisting means; 3-a wellhead device; 4-a guide connection; 5-a guide rod; 6-clamping and positioning device of the elevator; 7-elevator housing; 8-a gear disc; 9-driving gear; 10-a locking mechanism; 11-an elevator inner shell; 12-a power motor; 13-locking the motor; 14-a pressure sensor; 15-a travel switch; 16-claws; 17-a programmable logic controller; 18-a first positioning stop; 19-a second positioning stop; 20-a card slot connector; 21-flange clamping table; 22-transition arc structure; 23-crank turnplate; 24-a connecting rod; 25-sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 9, the present invention provides a self-positioning clamping elevator for a sucker rod, comprising an elevator clamping and positioning device 6, wherein the elevator clamping and positioning device 6 comprises an elevator outer shell 7 and an elevator inner shell 11 rotatably mounted inside the elevator outer shell 7, a plurality of first positioning stoppers 18 are uniformly distributed on the inner wall of the elevator outer shell 7 along the circumferential direction, adjacent first positioning stoppers 18 are connected through a slideway, a plurality of second positioning stoppers 19 are arranged on the outer wall of the elevator inner shell 11, and the second positioning stoppers 19 are positioned in the slideway; the elevator inner shell 11 is provided with a clamping device which clamps the sucker rod 1 through a claw 16. The hoisting device 2 such as a crown block, a traveling block and the like is connected with an elevator clamping and positioning device 6;
when the elevator presss from both sides tight positioner 6 and gets the spanner side on the sucker rod 1, will appear 3 kinds of circumstances, combine the design structure to carry out the analysis in proper order to three kinds of circumstances below:
when pressure sensor 14 on jack catch 16 is just to sucker rod 1 spanner square plane: the power motor 12 rotates, the pressure sensors 14 of the four clamping jaws 16 directly contact the plane of the wrench side of the sucker rod 1, when the pressure sensors 14 sense a set pressure value, the set pressure value is fed back to the PLC, and the PLC controls the power motor 12 to stop rotating and lock, so that the clamping jaws 16 are directly clamped;
when the pressure sensor 14 on the jaw 16 forms an angle of 45 degrees with the square plane of the wrench: the power motor 12 rotates, the pressure sensors 14 of the four clamping jaws 16 contact a 45-degree plane on the wrench side of the sucker rod 1, when the pressure sensors 14 sense a set pressure value, the set pressure value is fed back to the PLC, and the PLC controls the power motor 12 to stop rotating and lock, so that the clamping jaws 16 are directly clamped;
when the pressure sensor 14 on the jaw 16 is between 0-45 ° to the wrench square plane, as shown in fig. 7: the power motor 12 rotates, the transition arcs of the four clamping jaws 16 are in pairwise symmetrical contact with wrench square planes of the sucker rod 1, the pressure sensor 14 does not contact the two planes of the wrench side of the sucker rod 1, the power motor 12 continues to rotate, so that reaction torque is generated between the elevator inner shell 11 and the elevator outer shell 7, the elevator inner shell 11 can rotate (the sucker rod 1 hardly rotates due to small friction force between the elevator inner shell 11 and the elevator outer shell 7) as the elevator outer shell 7 is fixed, the clamping jaws 16 are further driven to rotate, when the pressure sensor 14 senses a set pressure value, the pressure value is fed back to the PLC, and the PLC controls the power motor 12 to stop rotating and lock, so that the clamping jaws 16 are clamped. To sum up, when solving elevator and pressing from both sides tight positioner 6 and press from both sides the spanner side on the sucker rod 1, the unordered problem of snatching that exists, the casing design is double-deck nested formula structure to cooperation dog makes elevator shell 7 fixed, but elevator inner shell 11 certain angle of rotation, if 45, 60 etc.. Thereby achieving the automatic adjustment and positioning of the clamping jaw 16.
As a way to reduce the friction between the elevator inner housing 11 and the elevator outer housing 7, the present invention provides a bearing between the elevator outer housing 7 and the elevator inner housing 11.
In the elevator, a plurality of guide connecting pieces 4 are uniformly distributed on the outer wall of an elevator shell 7 along the circumferential direction, and the guide connecting pieces 4 are respectively connected with corresponding guide rods 5.
In the invention, a plurality of support frames are uniformly distributed at the bottom of an elevator shell 7 along the circumferential direction, and the bottom surfaces of the support frames are all positioned on the same plane so as to be in plane contact with a wellhead outlet connecting piece; further, adjacent support frames are spaced 120 ° apart. Wherein, because the guide rod 5 is a polished rod, because the length is longer and the section size is smaller, the bending deformation is easy to occur, and in the invention, a support frame is additionally arranged between the guide rod 5 and the wellhead device 3 at intervals to avoid the damage of the guide rod 5.
The elevator housing 7 of the present invention is provided with a stroke switch 15 for determining a falling position to determine a falling stop position.
The clamping device comprises a gear disc 8 and a driving mechanism for driving the gear disc 8, wherein a plurality of arc-shaped clamping grooves which are respectively connected with clamping jaws are formed in the gear disc 8, and the arc-shaped clamping grooves all face the center of the gear disc 8 clockwise; the driving mechanism comprises a power motor 12 and a driving gear 9 which are connected, and the driving gear 9 is meshed with the gear disc 8; the gear plate 8 and the power motor 12 are both arranged on the elevator inner shell 11. Wherein, the gear plate 8 needs to drive the jaws 16 to do linear reciprocating motion, and the movable distance of a single jaw 16 is about 19 mm.
The clamping device according to the invention further comprises a locking mechanism 10 for applying a locking force to the gear wheel 8. This locking mechanism 10 is required to be satisfactory for locking the gear after it stops rotating to ensure safety after power failure in the abnormal situation of the elevator. The power source adopts a self-locking and angle-fixed rotating motor, the transmission mode adopts four-bar transmission, and the actuating mechanism adopts a partial internal gear type structure. The four-bar linkage mechanism uses an eccentric crank slider mechanism, the distance of advance or retreat of the slider after the crank rotates by 45 degrees is larger than the tooth crest of the gear, the top end of the slider adopts a semicircular structure, the semicircular top end can be additionally provided with rubber or other materials to increase friction in an anti-skidding manner, the slider and the unprocessed gear tooth part of the gear wheel generate friction force, and therefore the purpose of structure locking is achieved.
As a specific embodiment, the locking mechanism 10 comprises a locking motor 13, a crank turntable 23, a connecting rod 24 and a slider 25 which are connected in sequence, wherein the locking motor 13, the crank turntable and the slider are all arranged on the elevator inner shell 11; the slide block 25 comprises a cambered surface friction part and a sliding part which are connected, a meshing section and a cambered surface friction section are arranged on the circumferential surface of the gear disc 8, the meshing section is meshed with the driving gear 9, and the cambered surface friction section can be attached to the cambered surface friction part; the mounting surface of the elevator inner shell 11 is provided with a guide sliding chute for the radial movement of the sliding part.
It should be noted that: when the locking mechanism 10 is provided, the diameter of the gear wheel 8 is larger than the diameter of the driving gear wheel 9, for example: as a preferred embodiment, the gear ratio i of the big gear and the small gear is required to be 1:3, the gear needs to have good precision and can bear a certain load, and the following design is made based on the gear ratio i: selecting the module m as 2mm, the number of teeth z of the power gear (pinion gear)120, the original tooth number z of the large gear2Is composed of
Wherein, the gear teeth of the bull gear are processed by half to reduce the processing difficulty and meet the locking requirement of the locking device.
As a concrete structure, the clamping jaw 16 is in an L-shaped structure, the L-shaped structure comprises a clamping jaw 16 body, and a clamping groove connecting piece 20 and a clamping part which are arranged on the clamping jaw 16 body, the clamping groove connecting piece 20 is connected with the arc-shaped clamping groove, and the clamping groove connecting piece 20 can move along the arc-shaped clamping groove; the middle part of the clamping part is provided with a pressure sensor 14.
The upper end of the clamping part is provided with a flange clamping table 21; the edge of joint portion is transition circular arc structure 22, and wherein, when pressing from both sides when getting the position untimely, transition circular arc structure 22 is favorable to making elevator inner shell 11 rotatory in order to realize the automatic alignment of position.
The working process of the technical scheme is as follows: the elevator clamping and positioning device 6 vertically falls above the wellhead device 3 under the guiding action of the guiding connecting piece 4 and the guiding rod 5, after the working distance of the travel switch 15 is reached, the travel switch 15 starts to work, when the elevator reaches a first preset position (namely the elevator contacts the surface of the wellhead device 3 and the wrench side of the sucker rod 1 reaches the position of the clamping jaw 16), a signal is transmitted to the landing gear 2, and the landing gear 2 stops working.
Simultaneously, the elevator detects through travel switch 15 and intervenes, and the tight positioner that presss from both sides begins work after confirming that sucker rod 1 gets into elevator first predetermined position: power motor 12 anticlockwise rotation, the drive gear 9 anticlockwise rotation that links to each other, the toothed disc 8 clockwise rotation that drives has the arc draw-in groove, the jack catch 16 of arc draw-in groove internal connection is centripetal linear motion, pressure sensor 14 when on the jack catch 16 experiences the contact pressure value with sucker rod 1, after reaching the set pressure value, signal transmission reaches programmable logic controller 17, programmable logic controller 17 work and transmission output signal, power motor 12 stops and locks up, locking motor 13 clockwise turning 45, locking mechanism 10 works, after the work is accomplished, locking motor 13 locks up, sucker rod 1 presss from both sides tightly the completion.
The elevator clamping and positioning device 6 is vertically lifted through the guiding action of the guiding connecting piece 4 and the guiding rod 5, when the elevator reaches a second preset position (namely the sucker rod 1 is completely separated from the well mouth and the well mouth device 3), the lifting device stops working and cooperates with the pipe discharging device to grab the sucker rod 1, and then the sucker rod 1 is grabbed; the locking motor 13 rotates 45 degrees anticlockwise, the locking of the device is released, and the power motor 12 rotates the original angle clockwise to drive the clamping jaws 16 to complete the process of releasing the sucker rod 1; completing the lifting process of the elevator once.
Wherein, the clamping process needs 10-20s (power motor 125-10s, locking motor 135-10s), and the rising and falling process needs 60s (falling process 40s, rising process 20 s). The total time is required to be within 2 min.
The invention adopts specific examples to explain the principle and the implementation mode of the invention, and the description of the above embodiments is only used for helping to understand the multifunctional wheelchair and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The self-positioning clamping elevator for the sucker rod is characterized by comprising an elevator clamping and positioning device, wherein the elevator clamping and positioning device comprises an elevator outer shell and an elevator inner shell which is rotatably arranged in the elevator outer shell, a plurality of first positioning stop blocks are uniformly distributed on the inner wall of the elevator outer shell along the circumferential direction, adjacent first positioning stop blocks are connected through a slide way, a plurality of second positioning stop blocks are arranged on the outer wall of the elevator inner shell, and the second positioning stop blocks are positioned in the slide way; and a clamping device is arranged on the elevator inner shell and clamps the sucker rod through a clamping jaw.
2. The self-locating gripping elevator for sucker rods of claim 1, wherein bearings are provided between the elevator outer housing and the elevator inner housing.
3. The self-positioning gripping elevator for sucker rods of claim 1 or 2 wherein the elevator housing has a plurality of guide connectors circumferentially distributed on the outer wall thereof, the guide connectors being connected to the corresponding guide rods, respectively.
4. The self-positioning gripping elevator for sucker rods of claim 3 wherein the elevator housing has a plurality of support brackets circumferentially disposed on the bottom of the elevator housing, and the bottom surfaces of the plurality of support brackets are all in the same plane.
5. The self-locating gripping elevator for sucker rods of claim 4, wherein the elevator housing is provided with a travel switch for determining the drop position.
6. The self-positioning clamping elevator for the sucker rod as claimed in claim 1, wherein the clamping device comprises a gear disc and a driving mechanism for driving the gear disc, the gear disc is provided with a plurality of arc-shaped clamping grooves respectively connected with the clamping jaws, and the arc-shaped clamping grooves face the center of the gear disc clockwise; the driving mechanism comprises a power motor and a driving gear which are connected, and the driving gear is meshed with the gear disc; the gear plate and the power motor are both installed on the elevator inner shell.
7. The self-locating gripping elevator for sucker rods of claim 6, wherein the gripping device further comprises a locking mechanism for applying a locking force to the gear plate.
8. The self-positioning gripping elevator for sucker rods of claim 7, wherein the locking mechanism comprises a locking motor, a crank turntable, a connecting rod and a slider connected in sequence, the locking motor, the crank turntable and the slider being mounted on the elevator inner shell; the sliding block comprises a cambered surface friction part and a sliding part which are connected, a meshing section and a cambered surface friction section are arranged on the circumferential surface of the gear disc, the meshing section is meshed with the driving gear, and the cambered surface friction section can be attached to the cambered surface friction part; and a guide sliding groove for the radial movement of the sliding part is formed in the mounting surface of the elevator inner shell.
9. The self-positioning clamping elevator for the sucker rod as claimed in claim 6 or 8, wherein the jaw is of an L-shaped structure, the L-shaped structure comprises a jaw body, and a slot connecting piece and a clamping portion arranged on the jaw body, the slot connecting piece is connected with the arc-shaped slot, and the slot connecting piece can move along the arc-shaped slot; and a pressure sensor is arranged in the middle of the clamping part.
10. The self-positioning gripping elevator for sucker rods of claim 9 wherein the upper end of the gripping portion is provided with a flanged gripping platform; the edge of the clamping portion is of a transition arc structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602409.7A CN114320184B (en) | 2021-12-24 | 2021-12-24 | Self-positioning clamping elevator for sucker rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602409.7A CN114320184B (en) | 2021-12-24 | 2021-12-24 | Self-positioning clamping elevator for sucker rod |
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| CN114320184A true CN114320184A (en) | 2022-04-12 |
| CN114320184B CN114320184B (en) | 2023-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628019A (en) * | 2022-12-19 | 2023-01-20 | 胜利油田康贝石油工程装备有限公司 | Split type clamping device for sucker rod for workover treatment and use method |
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| CN101672168A (en) * | 2009-10-23 | 2010-03-17 | 大庆石油学院 | Workover operation mechanization system replacing well mouth manual operation |
| CN204386508U (en) * | 2014-11-19 | 2015-06-10 | 中国石油大学(华东) | A kind of electricity drives formula automatic elevator |
| CN205277333U (en) * | 2015-12-18 | 2016-06-01 | 梁小龙 | A elevator device that is used for pressure detection that has of oil exploration to feed back |
| CN209354076U (en) * | 2018-11-19 | 2019-09-06 | 中国海洋石油集团有限公司 | A kind of elevator |
| CN112302547A (en) * | 2020-12-28 | 2021-02-02 | 中国石油大学胜利学院 | Automatic elevator of sucker rod capable of realizing automatic alignment function and use method |
-
2021
- 2021-12-24 CN CN202111602409.7A patent/CN114320184B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672168A (en) * | 2009-10-23 | 2010-03-17 | 大庆石油学院 | Workover operation mechanization system replacing well mouth manual operation |
| CN204386508U (en) * | 2014-11-19 | 2015-06-10 | 中国石油大学(华东) | A kind of electricity drives formula automatic elevator |
| CN205277333U (en) * | 2015-12-18 | 2016-06-01 | 梁小龙 | A elevator device that is used for pressure detection that has of oil exploration to feed back |
| CN209354076U (en) * | 2018-11-19 | 2019-09-06 | 中国海洋石油集团有限公司 | A kind of elevator |
| CN112302547A (en) * | 2020-12-28 | 2021-02-02 | 中国石油大学胜利学院 | Automatic elevator of sucker rod capable of realizing automatic alignment function and use method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628019A (en) * | 2022-12-19 | 2023-01-20 | 胜利油田康贝石油工程装备有限公司 | Split type clamping device for sucker rod for workover treatment and use method |
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| CN114320184B (en) | 2023-12-29 |
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