CN203685069U - Novel large-diameter hydraulic slip capable of achieving passive locking - Google Patents
Novel large-diameter hydraulic slip capable of achieving passive locking Download PDFInfo
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- CN203685069U CN203685069U CN201420042602.9U CN201420042602U CN203685069U CN 203685069 U CN203685069 U CN 203685069U CN 201420042602 U CN201420042602 U CN 201420042602U CN 203685069 U CN203685069 U CN 203685069U
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- slips
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Abstract
The utility model discloses a novel large-diameter hydraulic slip capable of achieving passive locking. One ends of hydraulic cylinders are connected with slip bodies through lug plates and pin shafts, and the other ends of the hydraulic cylinders are connected with slip bowls. The slip bodies are connected with slip inserts. A linkage device, the four slip bodies and the slip inserts are connected to constitute an overall assembly. A guide rail is connected with the slip bowls connected with a guide block, the top of the guide block is compressed through a small pressing plate, a guide rod is connected to the guide block, and a centralizing device is connected to the slip bowls. The two sets of symmetric hydraulic cylinders are installed between the slip bodies and the slip bowls. The surface of a guide groove in the guide rail is in the shape of a step, and the outer surface of the guide block is a wedge-shaped slope. The diameter of the slip is increased by more than 40%, smooth and reliable full-process forward assembling or disassembling of the slip can be achieved, and the hydraulic cylinders and inner sealing pieces are long in service life.
Description
Technical field
The utility model relates to a kind of novel large latus rectum hydraulic power slip that promotes and press down operation for oil field operation equipment.
Background technology
Hydraulic power slip is the core component in oil field operation equipment, mainly carries out the clamping of tubing string, is that can oil field safe and reliable key of carrying out operation.
Slips mainly contains opposite opened and two kinds of structures of slide block type both at home and abroad at present, be passive locking pattern: provide a very little pretightning force to drive slip insert to clamp tubing string by oil cylinder, then utilize the weight of tubing string self, drive slip insert to slide and realize automatic locking along guiding surface, avoided directly driving energetically slip insert to clamp tubing string and damage that tubing string is caused by oil cylinder.Opposite opened slips is only equipped with the slips oil cylinder of a horizontal arrangement conventionally, the unlatching of four slip inserts of extension and contraction control by oil cylinder two ends, closed, because only having Yi Chu position, top, slip insert is connected with slips oil cylinder, slip insert bottom relies on gravity to naturally droop, so movement locus is unstable, reliability is relatively low, centering is poor, if oppositely installed in the course of work, can produce the inside flop phenomenon of slip insert, cannot realize smoothly unlatching, closed, thereby in oil field operation process, can only be used for carrying operation, cannot be used for pressing down operation, but opposite opened slips latus rectum is larger, slide block type slips form of structure is that slip insert slides to realize unlatching along guide pad constant inclined surface draw-in groove, closed, slip insert clamping effect meeting phase strain differential while becoming large due to inclination angle of inclined plane, so inclination angle of inclined plane is generally all smaller, slip insert is in the time sliding clamping tubing string along inclined-plane draw-in groove, the displacement of horizontal direction is just very little, the latus rectum of slip insert is corresponding becomes less, cannot meet large latus rectum downhole tool pass through require, and complex structure, bulky, oil field is in operation process, when running into large latus rectum instrument and need to passing through, can only be by slips overall pulling down, or entirety is removed, program is very loaded down with trivial details, workload is larger, waste a large amount of manpowers, material resources and valuable working time, but this kind of slips all slides because of slip insert whole process in draw-in groove, so running orbit is steady, reliability is higher, centering is better.
Summary of the invention
The purpose of this utility model is to provide a kind of novel large latus rectum hydraulic pressure pipe slips that can realize passive locking, the utility model has solved that hydraulic pressure pipe slips latus rectum is less, complex structure, bulky drawback, provide a kind of realize large latus rectum, simple in structure, can just meet or the novel hydraulic power slip device of upside-down mounting requirement.
The utility model is to realize by following technical solution above-mentioned purpose:
A kind of novel large latus rectum hydraulic pressure pipe slips that can realize passive locking, comprise: slip spider, slips body, linkage, slip insert, hydraulic jack, hydraulic jack links together by otic placode and bearing pin one end and slips body, the other end is connected with slip spider, it is characterized in that: slips body is connected with slip insert, linkage and 4 slips bodies and slip insert connect to form a global facility, and guide rail is connected with slip spider, slip spider is connected with guide pad, and guide pad top compresses by little pressing plate.
On guide pad, be connected with guide peg, on slip spider, be connected with erection device.
The hydraulic jack that 2 covers are arranged symmetrically with is installed between slips body and slip spider.
Gathering sill surface on guide rail is stairstepping.
Guide pad external surface is for being wedge shape inclined-plane.
thisutility model
beneficial effect be:
1. by the guide effect of guide rail, compared with conventional sliders formula slips, slips latus rectum improves more than 40%.
2. by erection device and guide peg effect, can realize the positive and negative dress of slips time, whole process all can steady reliability service.
3. because holder moves along guide rail and guide pad inclined-plane, slips is passive locking mechanism, so hydraulic jack only need provide the pretightning force of slips to tubing string, controlled pressure is low, oil cylinder and inner seal long service life.
Accompanying drawing explanation
Fig. 1 is hydraulic pressure pipe slips front view;
Fig. 2 is hydraulic pressure pipe slips top view;
Fig. 3 is that hydraulic pressure pipe slips A is to sectional view;
Fig. 4 is the axis side views such as hydraulic pressure pipe slips.
The specific embodiment
Below in conjunction with accompanying drawing 1-4, the utility model is described in further detail.
The guide rail 3 of hydraulic pressure pipe slips device of the present utility model is connected with slip spider 1 supporting seat side by lock-screw, and slip spider 1 supporting seat is connected by flat key 11 with guide pad 2, and is fixed with little pressing plate 9, makes three become as a whole; Slips body 4 and slip insert 5 are connected as a single entity by flat key 11, slips body 4 tops are connected with large plate 12 by lock-screw, large plate 12 other ends clamp slip insert 5 by semi arch draw-in groove, slips body 4 and slip insert 5 and large plate 12 are held together, four slips bodies 4 are connected with top linkage 6 by lock-screw with slip insert 5, finally make linkage 6 and quadruplet slips body 4 and slip insert 5 be linked as an entirety that can be synchronized with the movement; 2 cover hydraulic jacks 13 are and approach 180 ° of diagonal angles and arrange, one end is connected with slip spider 1 top board by bearing pin 10, the other end is connected with slips body 4 side otic placodes by bearing pin 10, the final hydraulic jack 13 that passes through is by as a whole each whole slips unit Series, by flexible unlatching, the closure that realizes slip insert 5 of oil cylinder 13.
In the time that hydraulic jack 13 moves, drive slips body 4, slip insert 5 to move together along guide rail 3 inclined-planes, the displacement of generation level and vertical direction, and reach tubing string is implemented to pretension by the clamping of slip insert 5; Because guide pad 2 external surfaces are for being wedge shape inclined-plane, fix with the screens of fitting of the stairstepping inclined-plane of guide rail 3, the in the situation that of large load, by the effect of tubing string, drive slips body 4, slip insert 5 and hydraulic jack 13 pistons to produce small movement along guide rail 3 and guide pad 2 inclined-planes, providing of larger chucking power is provided, and reaches the object that tubing string is realized to passive locking.
In the time of slips formal dress, slips body 5 is by opening up into closed clamping in tubing string motion process, and guide peg 7 whole process are close to slips body 4 inclined-planes, prevents that slips body 4 and slip insert 5 from producing swing backward; When slips upside-down mounting, erection device 8, by final clamping linkage 6 side end faces, prevents that slips body 4 and slip insert 5 from producing the inside head of planting.Between slip spider 1 and dodge gate 14, be connected by two latches 15, take out after one of them latch 15, dodge gate 14 can be take another latch 15 as axle center Unscrew, takes out the tubing string clamping in the middle of slips.
Claims (5)
1. can realize the novel large latus rectum hydraulic pressure pipe slips of passive locking for one kind, comprise: slip spider (1), slips body (4), linkage (6), slip insert (5), hydraulic jack (13), hydraulic jack 13 links together by otic placode and bearing pin 10 one end and slips body 4, the other end is connected with slip spider 1, it is characterized in that: slips body (4) is connected with slip insert (5), linkage (6) connects to form a global facility with 4 slips bodies (4) and slip insert (5), guide rail (3) is connected with slip spider (1), slip spider (1) is connected with guide pad (2), guide pad (2) top compresses by little pressing plate (9).
2. a kind of novel large latus rectum hydraulic pressure pipe slips that can realize passive locking according to claim 1, is characterized in that: on guide pad (2), be connected with guide peg (7), be connected with erection device (8) on slip spider (1).
3. a kind of novel large latus rectum hydraulic pressure pipe slips that can realize passive locking according to claim 1, is characterized in that: the hydraulic jack (13) that 2 covers are arranged symmetrically with is installed between slips body (4) and slip spider (1).
4. a kind of novel large latus rectum hydraulic pressure pipe slips that can realize passive locking according to claim 1, is characterized in that: the gathering sill surface on guide rail (3) is stairstepping.
5. a kind of novel large latus rectum hydraulic pressure pipe slips that can realize passive locking according to claim 1 and 2, is characterized in that: guide pad (2) external surface is wedge shape inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042602.9U CN203685069U (en) | 2014-01-23 | 2014-01-23 | Novel large-diameter hydraulic slip capable of achieving passive locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042602.9U CN203685069U (en) | 2014-01-23 | 2014-01-23 | Novel large-diameter hydraulic slip capable of achieving passive locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685069U true CN203685069U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420042602.9U Expired - Fee Related CN203685069U (en) | 2014-01-23 | 2014-01-23 | Novel large-diameter hydraulic slip capable of achieving passive locking |
Country Status (1)
| Country | Link |
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| CN (1) | CN203685069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758468A (en) * | 2014-01-23 | 2014-04-30 | 中石化石油工程机械有限公司第四机械厂 | Novel large drift diameter hydraulic slip capable of achieving passive locking |
| CN106761492A (en) * | 2017-02-10 | 2017-05-31 | 吴立中 | A kind of method that utilization torque wrench moment and break-out torque optimize oil pipe operation |
| CN116104429A (en) * | 2023-04-12 | 2023-05-12 | 江苏诚创智能装备有限公司 | Improved hydraulic power slip |
-
2014
- 2014-01-23 CN CN201420042602.9U patent/CN203685069U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758468A (en) * | 2014-01-23 | 2014-04-30 | 中石化石油工程机械有限公司第四机械厂 | Novel large drift diameter hydraulic slip capable of achieving passive locking |
| CN103758468B (en) * | 2014-01-23 | 2016-01-06 | 中石化石油工程机械有限公司第四机械厂 | A kind of novel big orifice hydraulic pressure pipe slips that can realize passive locking |
| CN106761492A (en) * | 2017-02-10 | 2017-05-31 | 吴立中 | A kind of method that utilization torque wrench moment and break-out torque optimize oil pipe operation |
| CN106761492B (en) * | 2017-02-10 | 2018-08-14 | 吴立中 | A method of optimizing oil pipe operation using torque wrench moment and break-out torque |
| CN116104429A (en) * | 2023-04-12 | 2023-05-12 | 江苏诚创智能装备有限公司 | Improved hydraulic power slip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20180123 |