CN208236358U - A kind of Double-conical-surface drilling slip - Google Patents
A kind of Double-conical-surface drilling slip Download PDFInfo
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- CN208236358U CN208236358U CN201820710065.9U CN201820710065U CN208236358U CN 208236358 U CN208236358 U CN 208236358U CN 201820710065 U CN201820710065 U CN 201820710065U CN 208236358 U CN208236358 U CN 208236358U
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- conical
- slip
- inlay
- slips body
- double
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Abstract
The utility model discloses a kind of Double-conical-surface drilling slip, including slip spider, inlay and slips body, cover board is installed above slip spider, and the inner wall of slip spider is the conical surface, slip spider is internally provided with slips body, and inlay is provided between slip spider and slips body, offers mounting groove on the inside of the inlay, the slips body is provided in the mounting groove, the utility model solves the technical problem that single conical surface design causes drilling slip height higher in the prior art.
Description
Technical field
The utility model relates to petroleum machinery engineering device technique field more particularly to a kind of Double-conical-surface drilling slips.
Background technique
It makes a trip and operation mode during setting of casing through hanging a card frequently with double elevators or one in oil gas field.Double elevators
Operation, inefficiency, large labor intensity, but also there are the security risks that single-suspender rig down causes major accident；Manual slip
Weight needs worker manually to move back and forth close to 100 kilograms, and labor intensity is very big, to also affect the raising of working efficiency.
The kava structure of existing air-liquid power, improves work efficiency, but is single conical surface design, and such slips body moves up and down
Distance will be very big, influence the use of other corollary equipments.
Authorization Notice No. are as follows: the patent of CN204552643U discloses disc type air operated slips, including slip spider, slips
Body, support plate, connecting rod piece, upper pin, lower bearing pin, mud scraping disc assembly and cylinder, are fixed with cylinder on slip spider, above slip spider
It is provided with slips body, slips body is connect by connecting rod piece with upper support plate, and support plate is connect with cylinder, support plate and connecting rod piece
Between by upper pin connect, be coupled between slips body and connecting rod piece by lower bearing pin, be provided with and scrape above support plate
Mud pan assembly, the slips body use three valve step slips bodies, and three valve step slips bodies constitute the card of air operated slips
Tight mechanism, support plate on be provided with it is floating type scrape oil liquid mechanism, scrape oil liquid mechanism by support pallet and scrape food tray and form, it is described
Slips body on various sizes of tubing slip tooth is installed, the driving machine of the support plate and vertically disposed cylinder composition
The connection of structure mechanical synchronization, the patent form biconial using single side, in order to guarantee loading end uniform force, not have
The excessive technical problem of the distance that solution slips body moves up and down, also without eliminating the influence to platform equipment is matched.
Utility model content
The purpose of the utility model is to provide a kind of Double-conical-surface drilling slip, solves single conical surface design in the prior art and lead
The technical problem for causing drilling slip height higher.
A kind of Double-conical-surface drilling slip, including slip spider, inlay and slips body, the slip spider top are equipped with cover board,
And the inner wall of slip spider is the conical surface, the slip spider is internally provided with slips body, and is provided between slip spider and slips body embedding
Body, the inlay inside offer mounting groove, the slips body are provided in the mounting groove.
Based on the above technical solution, the utility model can also do following improvement:
Further, the groove bottom of the mounting groove and the outside face contact of slips body form the first mating surface, described embedding
The lateral surface of body contacts to form the second mating surface with the inner wall of slip spider, and first mating surface, the second mating surface are the conical surface,
Guarantee the stability of whole device using the beneficial effect of this step, solves the higher technical problem of drilling slip height.
Further, the taper of second mating surface is not less than the taper of the first mating surface, using this step beneficial effect
It can effectively avoid locking.
Further, the taper of first mating surface is 1:3, the beneficial effect using this step be slips body and inlay,
Tubing string is reliably blocked between the friction surface of slip spider.
Further, the taper of second mating surface is 1:0.89, and the beneficial effect using this step is to solve drilling well card
Watt higher technical problem of height.
Further, the angle that the median plane of first mating surface and slip spider is formed is 9.46 °.
Further, the angle that the median plane of second mating surface and slip spider is formed is 30 °.
Further, the slips body and inlay are bolted, and spring, the spring position are set on the bolt
Between the outer rim bottom surface and inlay upper surface of slips body, the beneficial effect using this step is that spring plays buffer function, embedding
After body and slips body move down, after inlay reaches certain position, slips body continues to move down, and blocks tubing string.
The utility model has the beneficial effects that
1. the utility model provides a kind of Double-conical-surface drilling slip, slips body and inlay are bolted, such inlay
When moving up and down with slips body, the release or clamping of drilling tool can be completed, while being set with spring on bolt, also can in this way
Enough play buffer function.
2. inlay is designed to that two sides are inclined surface by the utility model, i.e. biconical surface structure, it is matched therewith in this way
Side is inclined surface in slips body, and the medial surface of slip spider is that inclined surface is needed when needing to clamp drilling tool or unclamping drilling tool
Inlay and slips body are mobile, could form concession space in this way, and completion clamps or releases drilling tool, and the utility model is guaranteeing together
Under the concession steric requirements of sample, the mobile distance of slips body becomes smaller, drilling slip after the slips body uplink of such drilling slip
Upper plane is flushed with drilling platforms, does not influence the use of the other tools of drilling platforms.
3. the utility model structure is simple, the labor intensity of worker is reduced, drilling efficiency is improved.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of Double-conical-surface drilling slip described in the utility model specific embodiment；
Fig. 2 is a kind of top view of the inlay of Double-conical-surface drilling slip described in the utility model specific embodiment；
Appended drawing reference:
1- slip spider；2- inlay；3- slips body；4- cover board；5- mounting groove；6- connector；The first mating surface of 7-；8- second
Mating surface；9- bolt；10- spring.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", "upper", "lower", "inner", "outside", "top",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.The meaning of " plurality " is two in the description of the present invention,
More than, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figure 1, a kind of Double-conical-surface drilling slip provided by the utility model, including slip spider 1, inlay 2 and card
Watt body 3 is equipped with cover board 4 above the slip spider 1, and the inner wall of slip spider 1 is the conical surface, and the slip spider 1 is internally provided with
Slips body 3, and inlay 2 is provided between slip spider 1 and slips body 3, mounting groove 5, the installation are offered on the inside of the inlay 2
It is provided with the slips body 3 in slot 5, slip spider 1 is used as ontology, then by slips body 3 and the installation of inlay 2 to wherein, 2 He of inlay
Slips body 3 is attached by connector 6, and the groove bottom of mounting groove 5 and the outside of slips body 3 are inclined surface, are passed through in this way
Dynamical element can drive inlay 2, slips body 3 to move up and down, to form concession space, complete the clamping and release of drilling tool.
As shown in Figure 1, the groove bottom of the mounting groove 5 and the outside face contact of slips body 3 form the first mating surface 7, institute
It states the lateral surface of inlay 2 and the inner wall of slip spider 1 contacts to form the second mating surface 8, first mating surface 7, the second mating surface 8
It is the conical surface, the inside in the outside and slip spider 1 that can guarantee inlay 2 in this way fits closely, the inside of inlay 2 and slips body 3
Outside fit closely, in this way guarantee whole device stability；The conical surface of inboard wall of slip spider 1, first are matched in the utility model
Conjunction face 7, the second mating surface 8 are the conical surface that top diameter is greater than base diameter.
As shown in Figure 1, the taper of second mating surface 8 is not less than the taper of the first mating surface 7, can effectively keep away in this way
Exempt to lock, influences inlay 2, slips body 3 moves up and down
As shown in Figure 1, the taper of 7 mating surface of the first mating surface is 1:3 or first mating surface and slip spider
The angle that is formed of median plane be 9.46 °, while having concession space, slips body and inlay, slip spider friction surface between
Reliably block tubing string.
As shown in Figure 1, the taper of the second mating surface 8 is 1:0.89 or the angle of second mating surface is 30 °, together
Sample is by control angle or taper, in the case where capable of guaranteeing stable structure, reduces the mobile distance of inlay 2, slips body 3,
To realize that the upper plane of drilling slip after slips body uplink is flushed with drilling platforms, the use of other tools will not influence.
As shown in Figure 1, connector 6 described in the utility model includes bolt 9 and spring 10, it is set on the bolt 9
There is spring 10, the spring 10 is located between 2 upper surface of outer rim bottom surface and inlay of slips body 3, and the utility model is in slips body 3
When moving down with inlay 2, after inlay 2 reaches certain position, slips body 3 can be moved down along the first mating surface 7, to block pipe
Column, and spring 10 can play buffer function, 9 bottom of bolt is connect with inlay 2, and top and slips body 3 are suits, logical in upper end
Nut is crossed to be limited；When equally moving up release tubing string, and, the height that slips body moves up can be reduced by Double-conical-surface design
Degree guarantees that slips body is flushed with drilling platforms, will not influence the use of other tools.
In the specification of the utility model, numerous specific details are set forth.It is to be appreciated, however, that the reality of the utility model
Applying example can practice without these specific details.In some instances, well known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this specification.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (8)
1. a kind of Double-conical-surface drilling slip, which is characterized in that including slip spider, inlay and slips body, peace above the slip spider
Equipped with cover board, and the inner wall of slip spider is the conical surface, and the slip spider is internally provided with slips body, and between slip spider and slips body
It is provided with inlay, mounting groove is offered on the inside of the inlay, the slips body is provided in the mounting groove.
2. a kind of Double-conical-surface drilling slip according to claim 1, which is characterized in that the groove bottom and card of the mounting groove
The outside face contact of watt body forms the first mating surface, and the lateral surface of the inlay contacts to form the second cooperation with the inner wall of slip spider
Face, first mating surface, the second mating surface are the conical surface.
3. a kind of Double-conical-surface drilling slip according to claim 2, which is characterized in that the taper of second mating surface is not
Less than the taper of the first mating surface.
4. a kind of Double-conical-surface drilling slip according to claim 3, which is characterized in that the taper of first mating surface is
1:3。
5. a kind of Double-conical-surface drilling slip according to claim 4, which is characterized in that the taper of second mating surface is
1:0.89。
6. a kind of Double-conical-surface drilling slip according to claim 3, which is characterized in that first mating surface and slip spider
Median plane formed angle be 9.46 °.
7. a kind of Double-conical-surface drilling slip according to claim 6, which is characterized in that second mating surface and slip spider
Median plane formed angle be 30 °.
8. -7 any a kind of Double-conical-surface drilling slip according to claim 1, which is characterized in that the slips body and inlay
Be bolted, be set with spring on the bolt, the spring be located at slips body outer rim bottom surface and inlay upper surface it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710065.9U CN208236358U (en) | 2018-05-11 | 2018-05-11 | A kind of Double-conical-surface drilling slip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710065.9U CN208236358U (en) | 2018-05-11 | 2018-05-11 | A kind of Double-conical-surface drilling slip |
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| Publication Number | Publication Date |
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| CN208236358U true CN208236358U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820710065.9U Active CN208236358U (en) | 2018-05-11 | 2018-05-11 | A kind of Double-conical-surface drilling slip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412438A (en) * | 2018-05-11 | 2018-08-17 | 江苏诚创智能装备有限公司 | A kind of Double-conical-surface drilling slip |
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2018
- 2018-05-11 CN CN201820710065.9U patent/CN208236358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412438A (en) * | 2018-05-11 | 2018-08-17 | 江苏诚创智能装备有限公司 | A kind of Double-conical-surface drilling slip |
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