CN210370544U

CN210370544U - Slips tooth and slips

Info

Publication number: CN210370544U
Application number: CN201921258667.6U
Authority: CN
Inventors: 王伟; 唐秋林; 张川; 杜文波; 刘时英; 刘洋; 幸彬; 杨军
Original assignee: Sichuan Baoshi Machinery Drilling And Production Equipment Co ltd
Current assignee: Sichuan Baoshi Machinery Drilling And Production Equipment Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-21
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a slips and slips, wherein, this slips includes the slips body, the internal surface of slips body is provided with tooth, its characterized in that, tooth is the wedge structure. The teeth of the slip are arranged into a wedge-shaped structure, so that a better clamping pipe column of the slip for assembling the slip is assembled, the larger the acting force of the pipe column on the slip is, the larger the clamping force of the slip is, and the anti-slip performance of the slip is greatly improved.

Description

Slips tooth and slips

Technical Field

The utility model belongs to the technical field of drilling equipment, concretely relates to slips tooth and slips.

Background

Slips are tools used to seize and suspend drill strings and casing strings when tripping in a well. The slip is composed of a slip piece, slip teeth and a handle. The shape is a cone which can be wedged in an inner hole of the turntable; the inner wall is encircled into a round hole, and slip teeth are arranged on the round hole.

The slip teeth of the existing slip are universal slip teeth, namely, the tooth angles on two sides are equal. Although a group of slips can bear bidirectional force, the friction force of the slips after the slips are tightly clamped on a pipe column is limited, the bearing capacity is very small, and the slip phenomenon is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more technical problems in the prior art, the utility model provides a slips tooth and slips with stronger antiskid performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in one aspect, the utility model provides a slips, including the slips body, the internal surface of slips body is provided with the tooth, the tooth is the wedge structure.

Furthermore, a first clamping structure connected with the top of the slip sheet in a clamping mode is arranged at the top of the slip tooth body; the bottom of slips tooth body be provided with the second joint structure that slips piece bottom joint is connected.

Furthermore, the first clamping structure is a strip-shaped clamping joint arranged along the outer edge of the top of the slip tooth body; the second clamping structure is a conical clamping body which is arranged along the inner side wall of the bottom of the slip insert body to the outer side wall in an inclined mode.

Furthermore, the middle part of the outer side wall of the slip tooth body is provided with a first clamping groove along the axis direction.

On the other hand, the utility model provides a slip, which comprises a slip sheet and the slip teeth; the top of the inside wall of calorie tile piece be provided with the bar joint groove that the bar joint head matches, the bottom of the inside wall of calorie tile piece be provided with the toper joint groove that the toper joint body matches, still be provided with the restriction on the slips piece the locating part that slips tooth side moved.

Furthermore, the locating part is a pin, a second clamping groove matched with the first clamping groove is formed in the middle of the inner side wall of the clamping tile along the axis direction of the clamping tile, a pin hole is formed by the first clamping groove and the second clamping groove, and the pin is inserted into the pin hole.

Furthermore, a through hole penetrating through the clamping tiles is formed in the top of the second clamping groove, and a bolt limiting the pin is arranged in the through hole.

Compared with the prior art, the utility model provides a technical scheme has following beneficial effect or advantage:

the utility model provides a tooth of slips is set to the wedge structure, can make the better chucking tubular column of the slips of this slips of assembly to the tubular column is big more to the effort of slips, and then the chucking power of slips is big more, has improved the non-skid property of slips greatly.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a slip insert provided in embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of slips provided in embodiment 2 of the present invention;

fig. 4 is a schematic view of the connection between the slip sheet and the slip piece according to embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a card tile in embodiment 2 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the above terms in the embodiments with specific meanings in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1 and 2, the embodiment of the present invention provides a slip, which includes a slip body 1, wherein teeth 11 are provided on an inner surface of the slip body 1, and the teeth 11 are in a wedge structure.

In a specific implementation process, as the slip is a component of the slip, the slip needs to be assembled to the slip when in use, and in order to facilitate assembly, in a further implementation scheme, a first clamping structure 12 connected with the top of the tile clamping piece in a clamping manner is arranged at the top of the slip body 1 in the embodiment of the present invention; and a second clamping structure 13 connected with the bottom of the tile clamping piece in a clamping manner is arranged at the bottom of the slip tooth body 1.

It should be noted that, in the embodiments of the present invention, the slip sheet is a component connected with the slip teeth in the slip.

In a specific implementation process, the types of the first clamping structure 12 and the second clamping structure 13 are many, and in a further implementation scheme, the first clamping structure 12 in the embodiment of the present invention is a strip-shaped clamping joint that is arranged along the outer edge of the top of the slip insert body 1; the second clamping structure 13 is a conical clamping body which is obliquely arranged along the inner side wall of the bottom of the slip insert body 1 to the outer side wall.

In specific implementation, in order to avoid this slips to appear sideslipping in the use, in further embodiment, the embodiment of the utility model provides a middle part at the lateral wall of slips body 1 is provided with first draw-in groove 14 along its axis direction. When assembling this slips tooth to corresponding slips piece, carry out the side direction through first draw-in groove and fix, avoid it to appear sideslipping in the use, influence the use of slips.

Example 2

As shown in fig. 3-5, the present invention provides a slip, which comprises a slip sheet 2 and slip teeth 1 in the above embodiments; the top of the inside wall of slips piece 2 be provided with bar joint groove 21 that the bar joint head matches, the bottom of the inside wall of slips piece 2 be provided with the toper joint groove 22 that the toper joint body matches still is provided with the locating part that the side of restriction slips tooth 1 moved on slips piece 2.

In specific implementation, the locating part has a lot, in further implementation, in the embodiment of the present invention, the locating part is the pin 3, the middle part of the inner side wall of the card tile 2 is provided with the second clamping groove 23 matched with the first clamping groove 14 along the axis direction, the first clamping groove 14 and the second clamping groove 23 form a pin hole, and the pin 3 is inserted into the pin hole.

In specific implementation, in order to prevent the round pin post from coming off in the use, in a further embodiment, the slip sheet 2 in the embodiment of the present invention is provided with a through hole 24 penetrating through the slip sheet at the top of the second clamping groove 23, and a bolt 25 limiting the round pin post 3 is provided in the through hole 24.

The manner in which the slip segments 1 are assembled to the slip segments 2 in the above described embodiment is:

firstly, sliding the slip insert 1 into a sliding groove formed by the strip-shaped clamping groove 21 and the conical clamping groove 22 from the side part of the slip sheet 2, facing the first clamping groove 14 to the second clamping groove 23, then inserting the pin 3 into a pin hole formed by the first clamping groove 14 and the second clamping groove 23, and finally inserting the plug 25 into the through hole 24 to finish the assembly.

The utility model discloses implement the tooth of the slips that provides and be set to the wedge structure, can make the better chucking tubular column of the slips of this slips of assembly to the tubular column is big to the effort of slips, and then the chucking power of slips is big more, has improved the non-skid property of slips greatly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The slip teeth are characterized in that the teeth are of a wedge-shaped structure.

2. The slip insert according to claim 1, wherein a first clamping structure connected with the top of the slip sheet in a clamping mode is arranged at the top of the slip insert body; the bottom of slips tooth body be provided with the second joint structure that slips piece bottom joint is connected.

3. The slip of claim 2, wherein the first snapping feature is a bar-type snap disposed along an outer edge of the top portion of the slip body; the second clamping structure is a conical clamping body which is arranged along the inner side wall of the bottom of the slip insert body to the outer side wall in an inclined mode.

4. The slip bowl of claim 3, wherein a first groove is formed in a middle portion of the outer sidewall of the slip bowl body along an axial direction thereof.

5. A slip comprising slip segments, further comprising the slip bowl of claim 4; the top of the inside wall of calorie tile piece be provided with the bar joint groove that the bar joint head matches, the bottom of the inside wall of calorie tile piece be provided with the toper joint groove that the toper joint body matches, still be provided with the restriction on the slips piece the locating part that slips tooth side moved.

6. The slip of claim 5, wherein the retaining member is a pin, and a second engaging groove is formed in a middle portion of an inner sidewall of the slip segment along an axial direction thereof to engage with the first engaging groove, and the first engaging groove and the second engaging groove form a pin hole into which the pin is inserted.

7. The slip of claim 6, wherein a through hole is provided through the top of the second channel and through the slip segments, and a pin is disposed in the through hole and circumscribes the pin.