CN101545360B - Wellhead lifting-clamping device - Google Patents
Wellhead lifting-clamping device Download PDFInfo
- Publication number
- CN101545360B CN101545360B CN2008100127276A CN200810012727A CN101545360B CN 101545360 B CN101545360 B CN 101545360B CN 2008100127276 A CN2008100127276 A CN 2008100127276A CN 200810012727 A CN200810012727 A CN 200810012727A CN 101545360 B CN101545360 B CN 101545360B
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- claw
- elevator
- housing
- shell
- push rods
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Abstract
The invention relates to oilfield workover equipment, in particular to a wellhead lifting-clamping device used on an oilfield workover manipulator. The device comprises a shell, two sets of push rods, a claw and a positioning hook, wherein the claw which can be reset is hinged on the shell; a claw slider is arranged on the claw; the positioning hook which can be reset is hinged on the shell and is positioned above the claw slider; and the two sets of push rods are arranged on the shell outside the claw and the positioning hook respectively. The self of the device carries no power source and needs to be turned on and off through the cooperation of an elevator-unlocking device and an elevator-locking device outside, thereby greatly simplifying the structure of the lifting-clamping device, canceling a long gas pipe which is arranged on a pneumatic elevator and moves together with the elevator, reducing accident potential and helping to the safe production of oilfield. As the two sets of push rods are arranged on two sides, the elevator can be automatically unlocked and locked under the push of the elevator-unlocking device and the elevator-locking device outside. Through the fast replacement of claw clamp-heads with different specifications, the wellhead lifting-clamping device can lift up and put down oil pipes different in pipe diameter and oil-pumping rods different in size.
Description
Technical field
The present invention relates to oil well repairing operation equipment, the well head elevator device that specifically a kind of oil field well workover operation machine is used.
Background technology
Pipe elevator is the indispensable instrument of oil well repairing operation.When implementing workover treatment, on carry the oil pipe tubing string and must use pipe elevator, and also must use pipe elevator during time drain line.At present, the on-the-spot oil pipe elevator device that uses adopts the opposite opened structure more, uses that both inconvenience was also dangerous, and especially last when proposing the oil pipe operation, in case collapse button, latch very easily damages, and this moment, suspension ring were if ejection then very easily causes personnel's injury accident.
Equally, rod elevator is the special tool that raises and decentralizes sucker rod in the oil well repairing operation process.The tongue self-locking elevator of tongue combination before and after the on-the-spot at present rod elevator device that uses is, under normal circumstances its application feature still can, but ought on carry in the operation process dirt adhesion amounts such as the crude oil on the sucker rod, pitch more for a long time, tongue may lose efficacy in the preceding tongue, very easily cause sucker rod to come off this moment, so that cause security incident; Perhaps, under the situation that sucker rod is hampered, then can't carry out the unfreezing construction, influence normally carrying out smoothly of workover treatment.
In sum, at present during oil well repairing operation, pipe elevator and rod elevator are separately special-purpose, pipe elevator can only be used for raising and decentralizing of oil pipe, the oil pick-up tube elevator can only be used for raising and decentralizing of sucker rod, and just must the corresponding elevator of preparation for the oil pipe of different size or sucker rod, this has brought very big pressure for the guarantee of workover treatment process; Simultaneously, no matter be existing oil pipe elevator device or existing rod elevator device, when work, all need manually-operated, promptly need manually to open card or pintle hook lock, this has just buried hidden danger for the safety of well workover process.
Along with the development of pneumatics and people to reducing the active demand of workover treatment labour intensity, a kind of pneumatic elevator device begins to be used.But this pneumatic hoist card device needs external source of the gas, also needs to be connected with very long gas pipeline between elevator and the source of the gas, is unfavorable for keeping the safety in production.
Summary of the invention
In order to solve the problem of above-mentioned existence, the well head elevator device that the object of the present invention is to provide a kind of oil field well workover operation machine that can finish out the kayser card automatically to use.
The well head elevator device that provides a kind of oil pipe and the general oil field well workover operation machine of sucker rod to use is provided another purpose of the present invention.
The objective of the invention is to be achieved through the following technical solutions:
The present invention includes housing, two groups of push rods, claw and location hooks, described claw is two, is symmetrical arranged, and can be articulated in the housing with resetting, is equipped with the claw slide block on each claw; Described location hook is two, is arranged at the top of two claw slide blocks respectively, can be articulated in the housing with resetting; Described two groups of push rod upper and lower settings, every group has two, and symmetry is installed on the two side of housing, and two first push rods that are positioned at the top are arranged on the housing sidewall in the location hook outside, and two second push rods that are positioned at the below are arranged on the housing sidewall in the claw outside; Being used for this elevator device drives open card device and the pintle hook lock device of card, pintle hook lock and respectively is provided with one group at deck and tap place, describedly open, the pintle hook lock device forms by hydraulic cylinder and contact, the front end of hydraulic cylinder piston rod is provided with external screw thread, is provided with internal thread in the contact, and both are by being threaded.
Wherein: described claw is installed in the housing by first, and first two ends are equipped with the claw torsion spring that claw is resetted; Location hook is installed in the housing by second, and second two ends are equipped with the location hook torsion spring that location hook is resetted; Be provided with shell on housing, an end of push rod is placed in the shell, and the other end inserts in the through hole on the housing side arm, is positioned at push rod on the shaft of shell to be provided with spring; Dismountable claw dop is installed on claw.
Advantage of the present invention and good effect are:
1. simple in structure, production security is high.Elevator device of the present invention itself does not carry power source, its opening and closing need that the external world opens, the pintle hook lock device cooperates and finishes, so not only can simplify the structure of elevator device greatly, also cancelled the long air pipe that moves with elevator on the pneumatic elevator, reduce accident potential, helped the safety in production in oil field.
2. automaticity height.The present invention has designed two groups of push rods in both sides, externally open, can realize opening automatically card, pintle hook lock under the promotion of pintle hook lock device.
3. highly versatile.The present invention has changed present pipe elevator and rod elevator separates, the situation of special use, quick replacing by different size claw dop, can realize the operation that raises and decentralizes of different tube diameters oil pipe and different size sucker rod, make device itself have versatility, both be applicable to the oil pipe operation, also be applicable to the sucker rod operation.
Well workover operation machine be provided with at deck and tap place respectively two groups open, the pintle hook lock device, open, the pintle hook lock device adopts the separate type design, simplified the structure of elevator, realized that the automation of oil pipe and sucker rod raises and decentralizes.
5. the present invention has reduced operating personnel's quantity to greatest extent, has avoided the generation of production accident.
Description of drawings
Fig. 1 is the position view of the present invention in oil field well workover operation machine;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 opens kayser card device position view for oil field shaft mouth clamping seat;
Fig. 5 opens kayser card device position view for tap in the well workover operation machine;
Wherein: 1 is the elevator device, and 2 is the well workover operation machine fuselage, and 3 is the well workover operation machine chassis, 4 is well head, and 5 is deck, and 6 is hydraulic tongs, 7 is oil pipe (sucker rod), and 8 is leading, and 9 is housing, 10 is first push rod, and 11 is spring, and 12 is shell, 13 is claw, and 14 is second push rod, and 15 is the claw slide block, 16 is location hook, 17 is the claw dop, and 18 is the claw torsion spring, and 19 is the location hook torsion spring, 20 is the elevator axle, 21 is first, and 22 is second, and 23 for driving the card device, 24 is the pintle hook lock device, and 25 is the elevator limited block.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As Fig. 2, shown in Figure 3, the present invention includes housing 9, two groups of push rods, claw 13 and location hooks 16, wherein two groups of push rods are totally four, and two is one group, and promptly two first push rods 10 are one group, and two second push rods 14 are one group; Claw 13 is two, axis with housing 9 is symmetrical arranged, and claw 13 is installed in the housing 9 by first 21, and claw 13 can rotate around first 21, first 21 two ends are equipped with claw torsion spring 18, for claw 13 resets after initial position being provided and claw 13 being rotated; All by the affixed claw slide block 15 of screw, claw slide block 15 is positioned at the middle part of claw 13 near oil pipe (sucker rod) 7 one sides top on each claw 13, and a side of claw slide block 15 is a cuboid, and opposite side forms a conical surface downwards; Dismountable claw dop 17 is installed on claw 13.Location hook 16 also is two, be arranged at the top of two claw slide blocks 15 respectively, location hook 16 is installed in the housing 9 by second 22, location hook 16 can rotate around second 22, second 22 two ends are equipped with location hook torsion spring 19, for location hook 16 resets after initial position being provided and location hook 16 being rotated.When claw 13 rotated, location hook 16 can hook the conical surface on the claw slide block 15.And under nature, claw 13 is in the pintle hook lock state by claw torsion spring 18.Two groups of push rod upper and lower settings, symmetry is installed on the two side arms of housing 9, and two first push rods 10 that are positioned at the top are arranged on the housing side arm in location hook 16 outsides, and two second push rods 14 that are positioned at the below are arranged on the housing side arm in claw 13 outsides.Be provided with shell 12 on housing 9, an end of push rod is placed in the shell 12, and the other end inserts in the through hole on the housing side arm, is positioned at push rod on the shaft of shell 12 to be provided with spring 11.Both sides above housing 9 respectively are provided with an elevator axle 20, link to each other by the hook block of suspension ring with the oil well repairing operation machine, thereby realize the motion that raises and decentralizes of oil pipe (sucker rod) under the drive of hook block.Housing 9 adopts box welded construction to make.
As shown in Figure 4, be well workover operation machine deck 5, oil pipe (sucker rod) 7 passed through by the interstitial hole of working plate, is provided with a plurality of elevator limited blocks 25 around the interstitial hole, in the working plate both sides, be symmetrical arranged and drive card device 23, reach pintle hook lock device 24 up and down; Open, pintle hook lock device 23,24 forms by hydraulic cylinder and contact, the front end of hydraulic cylinder piston rod is provided with external screw thread, is provided with internal thread in the contact, both are by being threaded.
Operating principle of the present invention is:
As shown in Figure 1, elevator device 1 of the present invention is suspended on the hook of well workover operation machine by suspension ring, deck 5 directly drops on the well head 4, side at deck 5 is the well workover operation machine fuselage 2 that is installed on the well workover operation machine chassis 3, hydraulic tongs 6 is installed on the expansion bracket of well workover operation machine, tap 8 is positioned at the top of well workover operation machine fuselage 2, and well workover operation machine fuselage 2 is provided with switch board 3; Tap 8 stretches out when work, and aligns well head 4; When not working, the tap withdrawal is so that transportation.Be used for elevator device 1 open card, pintle hook lock drive card device 23 and pintle hook lock device 24 respectively is provided with one group at deck 5 and leading 8 places, in the position at deck 5 places as shown in Figure 4, in the position at leading 8 places as shown in Figure 5.
In last oil pipe (sucker rod) 7 o'clock of carrying, earlier elevator device 1 is opened card, promptly claw 13 is opened, and location hook 16 hooks claw slide block 15; Again elevator device 1 is directed to the operating position on the deck 5, and by elevator limited block 25 location; Pintle hook lock device on the deck 5 24 promotes first push rod 10 then, make first push rod 10 in housing 9, move to location hook 16 places, first push rod 10 continues operation forward, promoting location hook 16 rotates along counter clockwise direction shown in Figure 2 around second 22, claw slide block 15 that the hook 16 that is positioned hooks and claw 13 are also along with location hook 16 rotates in the counterclockwise direction, when rotating to power that location hook 16 hooks claw slide block 15 less than the elastic force of claw 13 self gravitations and claw torsion spring 18, claw slide block 15 comes off from location hook 16, claw 13 resets by the elastic force and the self gravitation of claw torsion spring 18, elevator device pintle hook lock, first push rod 10 resets under the effect of spring 11 elastic force behind the pintle hook lock; Deck 5 is opened, and oil pipe this moment (sucker rod) 7 has been blocked by claw dop 17; Elevator device 1 is being with on the oil pipe (sucker rod) and is being carried, when rising to desired location, and 1 stop motion of elevator device, deck is closed, and hydraulic tongs 6 stretches out, and the pipe collar between the oil pipe (sucker rod) is carried out automatic shackle.After oil pipe (sucker rod) shackle, elevator device 1 continues be with on the oil pipe (sucker rod) to be carried; Get rid of pipe during the position when oil pipe (sucker rod) afterbody has arrived, the bobbin ejector on the tap 8 promotes oil pipe (sucker rod), and elevator device 1 descends simultaneously; When treating that oil pipe (sucker rod) afterbody abuts to slideway on the well workover operation machine fuselage 2, bobbin ejector quits work; Elevator device 1 continues to drop to opening of tap place, lock device 23, during 24 positions, the card device 23 of opening on the tap promotes second push rod 14, make second push rod 14 in housing 9, move to claw 13 places, second push rod 14 continues operation forward, promoting claw 13 rotates along clockwise direction shown in Figure 2 around first 21, claw slide block 15 upwards promotes location hook 16 simultaneously, location hook 16 is rotated in a clockwise direction around second 22, location hook 16 hooks claw slide block 15 gradually, claw 13 is opened, hook claw slide block 15 securely until location hook 16, the elevator device is opened card, opens card back second push rod 14 and resets under the effect of spring 11 elastic force.So far, the course of work that elevator device 1 and two groups are opened, pintle hook lock device 23,24 is proposed circulation on oil pipe (sucker rod) finishes.
Following drain line (sucker rod) 7 o'clock is opened card with elevator device 1 earlier, and promptly claw 13 is opened, and location hook 16 hooks claw slide block 15; Again elevator device 1 is navigated to the position of tap 8 open, pintle hook lock device 23,24, by artificial and hydraulic wireline winch cooperation oil pipe (sucker rod) is tilted gradually along slideway by level then; When elevator device 1 was passed on the top of oil pipe (sucker rod), the pintle hook lock device 24 at tap place promoted first push rod 10, by with on propose operation the same in the process, make claw dop 17 block oil pipe (sucker rod), elevator device pintle hook lock; Carry on the elevator device, this moment, bobbin ejector also was synchronized with the movement, and oil pipe (sucker rod) is played the supplemental support effect, when oil pipe (sucker rod) tilts gradually when afterbody arrives well head, 1 stop motion of elevator device, hydraulic tongs stretches out, and the pipe collar between the oil pipe (sucker rod) is carried out going up automatically buckleing; After oil pipe (sucker rod) is gone up and is buckled, deck 5 is opened, elevator device 1 is being with oil pipe (sucker rod) to transfer, arrive the operating position of deck 5 until elevator device 1, and pass through elevator limited block 25 location, deck 5 lockings then, the card device 23 of opening at well head place promotes second push rod 14, by with on propose operation the same in the process, claw 13 is opened, elevator device 1 is opened card.So far, the course of work that elevator device 1 and two groups are opened, pintle hook lock device 23,24 is transferred circulation at oil pipe (sucker rod) finishes.
Important technological parameters index of the present invention: elevator device rated load is 60t, and elevator basic size is 640mm * 270mm * 350mm.Effect of the present invention will significantly reduce the guarantee pressure and the labor intensity of operating personnel of workover treatment, improve the safety of workover treatment process greatly.
Claims (5)
1. well head elevator device, it is characterized in that: comprise housing (9), two groups of push rods, claw (13) and location hooks (16), described claw (13) is two, is symmetrical arranged, can be articulated in the housing (9) with resetting, on each claw (13), be equipped with claw slide block (15); Described location hook (16) is two, is arranged at the top of two claw slide blocks (15) respectively, can be articulated in the housing (9) with resetting; Described two groups of push rod upper and lower settings, every group has two, symmetry is installed on the two side of housing (1), two first push rods (10) that are positioned at the top are arranged on the housing sidewall in location hook (16) outside, and two second push rods (14) that are positioned at the below are arranged on the housing sidewall in claw (13) outside; Being used for this elevator device drives open card device (23) and the pintle hook lock device (24) of card, pintle hook lock and locates respectively to be provided with one group at deck (5) and tap (8), describedly open, pintle hook lock device (23,24) forms by hydraulic cylinder and contact, the front end of hydraulic cylinder piston rod is provided with external screw thread, be provided with internal thread in the contact, both are by being threaded.
2. by the described well head elevator of claim 1 device, it is characterized in that: described claw (13) is installed in the housing (9) by first (21), and the two ends of first (21) are equipped with the claw torsion spring (18) that claw (13) is resetted.
3. by the described well head elevator of claim 1 device, it is characterized in that: described location hook (16) is installed in the housing (9) by second (22), and the two ends of second (22) are equipped with the location hook torsion spring (19) that location hook (16) is resetted.
4. by the described well head elevator of claim 1 device, it is characterized in that: on housing (9), be provided with shell (12), one end of push rod is placed in the shell (12), and the other end inserts in the through hole on the housing side arm, is positioned at push rod on the shaft of shell (12) to be provided with spring (11).
5. by the described well head elevator of claim 1 device, it is characterized in that: dismountable claw dop (17) is installed on claw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100127276A CN101545360B (en) | 2008-08-08 | 2008-08-08 | Wellhead lifting-clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100127276A CN101545360B (en) | 2008-08-08 | 2008-08-08 | Wellhead lifting-clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101545360A CN101545360A (en) | 2009-09-30 |
| CN101545360B true CN101545360B (en) | 2010-08-11 |
Family
ID=41192704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100127276A Expired - Fee Related CN101545360B (en) | 2008-08-08 | 2008-08-08 | Wellhead lifting-clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545360B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453740B (en) * | 2014-01-13 | 2016-02-17 | 中国石油化工股份有限公司 | A kind of well-mouth loading-unloading method of mechanization workover treatment intelligence elevator |
| CN106837206B (en) * | 2017-02-23 | 2019-08-02 | 中国石油大学(北京) | The vertical land hoisting tool of production tree |
| CN107178326A (en) * | 2017-07-24 | 2017-09-19 | 中国石油集团渤海石油装备制造有限公司 | One kind is used for well workover lower oil tube, sucker rod integrative machine and its application method |
| CN109611037B (en) * | 2019-01-22 | 2024-04-09 | 杨颖辉 | Automatic elevator for sucker rod |
| CN111927342B (en) * | 2020-10-10 | 2020-12-22 | 胜利油田康贝石油工程装备有限公司 | Automatic elevator for sucker rod in oil field well repairing operation and use method |
| CN114180102B (en) * | 2021-12-17 | 2023-08-01 | 清华大学深圳国际研究生院 | Locking device for movable and expandable mechanism on spacecraft |
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2008
- 2008-08-08 CN CN2008100127276A patent/CN101545360B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101545360A (en) | 2009-09-30 |
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Granted publication date: 20100811 Termination date: 20170808 |