CN207526438U - A kind of swing type power slip - Google Patents
A kind of swing type power slip Download PDFInfo
- Publication number
- CN207526438U CN207526438U CN201721666667.0U CN201721666667U CN207526438U CN 207526438 U CN207526438 U CN 207526438U CN 201721666667 U CN201721666667 U CN 201721666667U CN 207526438 U CN207526438 U CN 207526438U
- Authority
- CN
- China
- Prior art keywords
- slips
- voussoir
- lever arm
- supporter
- type power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Earth Drilling (AREA)
Abstract
The utility model is related to a kind of slips, and in particular to a kind of swing type power slip.It is made of supporter, hydraulically extensible cylinder and slips voussoir, and multigroup connector in supporter is housed, is movably installed with slips voussoir on connector, each group connector is made of symmetrically arranged lever arm, and one end of lever arm is connect by pin with mounting base；The other end of lever arm is slidably connected by the T-block of its end with the T-slot on slips voussoir.In the course of work, slip of the lever arm in T-slot is driven by hydraulically extensible cylinder；It can make relative constriction between multiple slips voussoirs, realize the purpose of drilling rod, drill collar clamping；The variation range for solving existing slips opening diameter is smaller, it cannot the clamp operation of fully-jewelled bar and the problem of pass through completely, the slips has the characteristics of simple in structure, practicability is good, through-hole diameter variation range is big, is applicable to the clamp operation of various drilling rods, drill collar.
Description
Technical field
The utility model is related to a kind of slips, and in particular to a kind of swing type power slip.
Background technology
During petroleum drilling and mining, in order to preferably mitigate the labor intensity of drilling worker, drilling safety is effectively improved
And working efficiency, power slip can be used substantially, carry out the clamp operation of drilling rod.Mainly there is diameter relative to traditional power slip
To the power slip of two kinds of structures of formula and axial type.What the clamping of radial power slip relied on be by hydraulic cylinder it is flexible come
It realizes, thus needs larger hydraulic-driven power and poor to the overall clamping effect of drilling rod, it will usually because of clamping force
It is inadequate and drilling rod is caused to be slipped in well, so as to cause operation safety issue and greatly reduce operating efficiency.Relatively
For axial type power slip, the variation range of opening diameter is smaller, it is impossible to the clamp operation of complete fully-jewelled bar and smoothly
The problem of passing through, can not being operated in tripping operation so as to cause, while its whole scope of application is also limited, to realize
Opening diameter has large range of variation, and is adapted to the drilling rod of a variety of different-diameter sizes, and slips just must be by above carrying
Certain height carrys out release opening diameter, thus will result in that integrally-built axial dimension is long, and occupies larger axial direction
Unnecessary loss is caused in space to production and processing.Now propose a kind of reliable major diameter opening hydraulic power card rational in infrastructure
Watt.
Invention content
The purpose of this utility model is that：Offer is a kind of simple in structure, and practicability is good, and through-hole diameter variation range is big, can
Suitable for various drilling rods, the swing type power slip of drill collar.
The technical solution of the utility model is：
A kind of swing type power slip, it is made of supporter, hydraulically extensible cylinder and slips voussoir, it is characterised in that：Branch
Multigroup connector is equipped with by mounting base in support body, slips voussoir, each group connector are movably installed on connector
It is made of symmetrically arranged lever arm, one end of lever arm is connect by pin with mounting base；The other end of lever arm passes through it
The T-block of end is slidably connected with the T-slot on slips voussoir, is mutually interconnected by hydraulically extensible cylinder between the lever arm of each group
It connects.
Finite place piece is set in the mounting base.
The lever arm is in curved arc shape.
The supporter is cylindrical, and multiple pilot holes are evenly equipped on the circumference of supporter.
The slips voussoir section is trapezoidal, and the top of slips voussoir is axially provided with T-slot, the bottom of slips voussoir
It is evenly equipped with anti-skidding groove.
The bottom of the slips voussoir is arc surface.
The beneficial effects of the utility model are：
In the swing type power slip course of work, slip of the lever arm in T-slot is driven by hydraulically extensible cylinder, it can
Slips voussoir is made to be moved radially in the centre bore of supporter, thus can make relative constriction between multiple slips voussoirs, realizing will
The purpose that drilling rod, drill collar clamp；The swing type power slip through-hole diameter variation range is big, thus solves existing slips opening
The variation range of diameter is smaller, it is impossible to the clamp operation of complete fully-jewelled bar and pass through, so as to cause nothing in tripping operation
The problem of method operates, the swing type power slip have the characteristics of simple in structure, practicability is good, through-hole diameter variation range is big,
It is applicable to the clamp operation of various drilling rods, drill collar.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 removes the dimensional structure diagram after supporter for Fig. 1；
Fig. 3 is the cross section structure schematic diagram of the utility model；
Fig. 4 be Fig. 3 in A-A to structure diagram.
In figure：1st, supporter, 2, hydraulically extensible cylinder, 3, slips voussoir, 4, pilot hole, 5, mounting base, 6, lever arm, 7, T
Type groove.
Specific embodiment
The swing type power slip is made of supporter 1, hydraulically extensible cylinder 2 and slips voussoir 3, and supporter 1 is cylindrical,
Multiple pilot holes 4 are evenly equipped on the circumference of supporter 1.Multigroup connector is equipped with by mounting base 5 on the inner wall of supporter, even
Slips voussoir 3 is movably installed on fitting.
The each group connector of the swing type power slip is made of symmetrically arranged lever arm 6, and lever arm 6 is in curved arc shape；
One end of lever arm 6 is connect by pin with mounting base 5；Finite place piece is set in mounting base 5, to limit lever arm at work
6 rotational angle.The other end of lever arm 6 is slidably connected by the T-block of its end with the T-slot on slips voussoir 3, slips
3 section of voussoir is trapezoidal, and the T-slot 7 at the top of slips voussoir 3 is set in axial, and the bottom of slips voussoir 3 is arc surface, circular arc
Anti-skidding groove is evenly equipped on face.
It is connected with each other in the courses of work by hydraulically extensible cylinder 2 between each group lever arm 6 of the swing type power slip,
Slip of the lever arm 6 in T-slot 7 is driven by hydraulically extensible cylinder 2, slips voussoir 3 can be made in the centre bore internal diameter of supporter 1
It to movement, thus can make relative constriction or unlatching between multiple slips voussoirs 3, realize the purpose of drilling rod, drill collar clamping.Specifically
For：
Drill-rod clamping process：
The swing type power slip initial position is in 3 complete open configuration of slips voussoir, i.e. hydraulically extensible cylinder 2 has been in
Full contraction state.Then, hydraulically extensible cylinder 2 is slowly started to work, and hydraulic stem movement is pushed, due to interaction, that is, hydraulic pressure of power
The left end of telescoping cylinder 2 is equal in magnitude with right end institute stress, and direction is opposite；So as to which hydraulic push rod pushes two lever arms 6 around pin
Column rotates, so that lever arm 6 slides in and out in 3 upper edge T-slot 7 of slips voussoir, lever arm 6 is sliding（Rotation）Process
In, slips voussoir 3 is pushed to be moved radially in the centre bore of supporter 1, thus gradually clamps drilling rod.
Drilling rod release process：
Initial pipe becoming stuck watt voussoir 3 is fixedly clamped, and hydraulically extensible cylinder 2 is in open configuration；Then hydraulically extensible cylinder 2 by
Taper contracting so that lever arm 6 is in 3 upper edge T-slot of slips voussoir, 7 slid inward so that symmetrically arranged lever arm 6 is gradually in
Between close up, lever arm 6 is sliding（Rotation）In the process, slips voussoir 3 is driven to be moved radially in the centre bore of supporter 1, from
And slips voussoir 3 is made gradually to unclamp drilling rod.
The swing type power slip is due under the action of lever arm 6, driving slips voussoir 3 in the centre bore of supporter 1
It inside moves radially so that the through-hole diameter variation range of supporter 1 is big, thus solves the variation model of existing slips opening diameter
It encloses smaller, it is impossible to the clamp operation of complete fully-jewelled bar and the problem of pass through, can not be operated in tripping operation so as to cause,
The swing type power slip has the characteristics of simple in structure, practicability is good, through-hole diameter variation range is big, is applicable to various straight
The clamp operation of diameter drilling rod, drill collar.
Claims (5)
1. a kind of swing type power slip, it is by supporter（1）, hydraulically extensible cylinder（2）With slips voussoir（3）It forms, feature
It is：Supporter（1）Inside pass through mounting base（5）Multigroup connector is installed, slips voussoir is movably installed on connector（3）,
The each group connector is respectively by symmetrically arranged lever arm（6）It forms, lever arm（6）One end pass through pin and mounting base
（5）Connection；Lever arm（6）The other end pass through the T-block of its end and slips voussoir（3）On T-slot（7）It is slidably connected, T
Type block and T-slot（7）Between be provided with free gap；The lever arm of each group（6）Between pass through hydraulically extensible cylinder（2）Mutually interconnect
It connects.
2. a kind of swing type power slip according to claim 1, it is characterised in that：The mounting base（5）Upper setting
Finite place piece.
3. a kind of swing type power slip according to claim 1, it is characterised in that：The lever arm（6）In curved arc
Shape.
4. a kind of swing type power slip according to claim 1, it is characterised in that：The supporter（1）In cylinder
Shape, supporter（1）Circumference on be evenly equipped with multiple pilot holes（4）.
5. a kind of swing type power slip according to claim 1, it is characterised in that：The slips voussoir（3）Section
It is trapezoidal, slips voussoir（3）Top be axially provided with T-slot（7）, slips voussoir（3）Bottom for arc surface, on arc surface
It is evenly equipped with anti-skidding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666667.0U CN207526438U (en) | 2017-12-05 | 2017-12-05 | A kind of swing type power slip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666667.0U CN207526438U (en) | 2017-12-05 | 2017-12-05 | A kind of swing type power slip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526438U true CN207526438U (en) | 2018-06-22 |
Family
ID=62577806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721666667.0U Expired - Fee Related CN207526438U (en) | 2017-12-05 | 2017-12-05 | A kind of swing type power slip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526438U (en) |
-
2017
- 2017-12-05 CN CN201721666667.0U patent/CN207526438U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180622 Termination date: 20201205 |