CN217080366U - Slip group elasticity anti-lock component - Google Patents
Slip group elasticity anti-lock component Download PDFInfo
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- CN217080366U CN217080366U CN202220868760.4U CN202220868760U CN217080366U CN 217080366 U CN217080366 U CN 217080366U CN 202220868760 U CN202220868760 U CN 202220868760U CN 217080366 U CN217080366 U CN 217080366U
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Abstract
The utility model belongs to the technical field of oil well workover equipment, specifically disclose an elastic anti-lock component of slips group, including base, central steel pipe, elastic device subassembly, link assembly and the positive dress slips and the reverse dress slips that set up at central steel pipe both ends, be equipped with the elastic device subassembly in positive dress slips and the reverse dress slips and fix on the base, include inner cone, hydro-cylinder and outer cone respectively with the reverse dress slips, the hydro-cylinder passes through the link assembly hookup between outer cone and inner cone to with central steel pipe movably centre gripping in the inner cone. The elastic device component is a spring and is arranged on the slip group in a built-in mode. The utility model discloses the principle is simple, and the structure is reliable, and slips in-group embeds the elastic device subassembly and has improved its commonality, plays the workover rig of operation such as tubular column operation, change oil pipe, sleeve pipe and similar long stroke in oilfield equipment etc. all has extensive popularization and application prospect.
Description
Technical Field
The utility model belongs to the technical field of oil well workover equipment, in particular to slips group elasticity anti-lock component.
Background
With the development of drilling technology, the number of complex wells such as deep wells, directional wells, highly deviated wells and the like is increased gradually, and the well cementation technology faces more challenges and difficulties. One of the core components in the field of snubbing workover rig technology is a slip set. The slips are a mechanical device for clamping a central steel pipe by matching an inner cone and an outer cone, and the basic requirement is that when the inner cone clamps the steel pipe, no slip phenomenon is allowed to occur no matter how large the load on the steel pipe is. In the prior art, the central steel pipe is not compressible, so that the phenomenon of locking of slips against the top frequently occurs, and the normal function of equipment is influenced.
Accordingly, it would be an urgent need in the art to provide a new slip set elastomeric anti-lock component.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect of slips locking to the top among the prior art, provide a slips group elasticity anti-lock component.
The utility model provides an elastic anti-lock component of a slip group, which comprises a central steel pipe, a forward slip and a reverse slip which are arranged at the two ends of the central steel pipe, wherein the forward slip and the reverse slip are detachably clamped and fixed with the central steel pipe;
the forward-installed slips and the reverse-installed slips are connected through the guide columns;
elastic devices are respectively arranged at the top of the forward-installed slip and the bottom of the reverse-installed slip, bases are respectively arranged at the top of the forward-installed slip and the bottom of the reverse-installed slip, and the elastic devices are positioned between the forward-installed slip and the base/between the reverse-installed slip and the base and are fixedly connected with the bases;
the positive-mounted slips and the reverse-mounted slips respectively comprise an inner cone, an oil cylinder and an outer cone, the inner cone is fixedly connected with the outer cone, the output end of the oil cylinder is fixedly connected with the outer cone through a connecting rod assembly, the fixed end of the oil cylinder is fixedly connected with the base, the central steel pipe is movably clamped inside the inner cone, and the small cone end of the inner cone faces to the two ends of the central steel pipe.
The base is provided with a through groove, and the bottom/top of the elastic device is arranged inside the through groove and fixedly connected with the through groove.
The further scheme is that the device further comprises an operation machine, a positioning groove is formed in the upper surface of the operation machine, and the bottom of the guide column is arranged in the positioning groove and fixedly connected with the positioning groove.
The further scheme is that the operation machine is located at the bottom of the normally installed slip, and a gap is reserved between a base at the bottom of the normally installed slip and the upper surface of the operation machine.
Further, the height of the gap is 10 mm.
The further scheme is that a protective sleeve is arranged outside the elastic device, and an anti-falling cover is arranged outside the protective sleeve.
In a further scheme, the elastic device is a spring.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses increased a set of elastic component on the basis of traditional slips group, when centrum in the hydro-cylinder pulling, the reaction force of hydro-cylinder seat makes the elastic appliance compression produce axial displacement to open the slips, and, with elastic device and slips fixed connection, prevent that the slips that leads to of elastic device from locking to the top.
2. The utility model discloses an anti-lock structure of slips group can be used to snubbing press and take workover rig, carries out the most safe effectual standard in the snubbing industry at design and manufacturing process, even all has high reliability and minimum maintainability characteristics among being in abominable oil field environment, and axial stability is good.
3. The utility model discloses an anti-lock structure of slips group can stop at the optional position, even under the condition that the maloperation appears, still can ensure that the slips is opened, has the characteristics that the reliability is high.
4. The utility model discloses an anti-lock structure of slips group, but positive reverse assembly combined use, also can the exclusive use, also can install normal use on existing fixing support, satisfy multiple operation requirement.
Drawings
The following drawings are merely illustrative of and explanatory of the invention and are not intended to limit the scope of the invention, wherein:
FIG. 1: the utility model has a schematic structure;
FIG. 2: a schematic view of a positively-installed slip structure;
in the figure: 1. a central steel pipe; 2. positively installing slips; 3. inversely installing slips; 4. a guide post; 5. an oil cylinder; 6. an inner cone; 7. an outer cone; 8. an elastic component; 9. a base; 10. a connecting rod assembly; 11. Provided is a working machine.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more clear, the present invention will be further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, the utility model provides an elastic anti-lock component of slip group, which comprises a central steel pipe 1, and a forward slip 2 and a reverse slip 3 which are arranged at two ends of the central steel pipe 1, wherein the forward slip 2 and the reverse slip 3 are detachable, clamped and fixed with the central steel pipe 1; the forward slip 2 and the reverse slip 3 are connected through a guide column 4; elastic devices are respectively arranged at the top of the forward-mounted slip 2 and the bottom of the reverse-mounted slip 3, a base 9 is arranged at the bottom/top of each elastic device, and each elastic device is fixedly connected with the base 9; positively-installed slips 2 and reversely-installed slips 3 respectively include inner cone 6, hydro-cylinder 5 and outer cone 7, inner cone and outer cone 7 fixed connection, the output of hydro-cylinder 5 passes through link assembly 10 and outer cone 7 fixed connection, the stiff end of hydro-cylinder 5 with 9 fixed connection of base, cone 6 is inside including 1 activity centre gripping of center steel pipe, the little cone end orientation of inner cone 6 the both ends of center steel pipe 1. In this embodiment, the elastic device is a spring, the spring is provided with a protective sleeve outside, and the protective sleeve is provided with an anti-falling cover outside
In the above, the base 9 is provided with a through groove, and the bottom/top of the elastic device is arranged inside the through groove and fixedly connected with the through groove.
In the above, the base 9 at the bottom of the positively-installed slip 2 is further connected with the operation machine 11, the positioning groove is formed in the upper surface of the operation machine 11, and the bottom of the guide column 4 is arranged in the positioning groove and fixedly connected with the positioning groove.
In the above, the working machine 11 is located at the bottom of the forward slip 2, a gap is left between the base 9 at the bottom of the forward slip 2 and the upper surface of the working machine 11, and the height of the gap is 10 mm.
The utility model discloses a working process does: the small cone ends of the inner cone 6 of the forward-installed slips 2 and the reverse-installed slips 3 face the two ends of the central steel pipe 1, the elastic assemblies 8 are arranged in the slips, and when the oil cylinder 5 pulls the inner cone 6, the elastic assemblies 8 are compressed to generate axial displacement by the reaction force of the oil cylinder 5, so that the slips are opened.
When the central steel pipe 1 bears a vertical downward force, the positively-installed slips 2 (commonly called bearing slips) are in action, the reversely-installed slips 3 (commonly called anti-jacking slips) are in no action, the elastic component 8 at the positively-installed slips 2 is compressed without a gap, and only the reverse-installed slips 3 have no upward load to enable the elastic component 8 to have a gap. When the reverse slip 3 and the forward slip 2 are opened simultaneously, the reverse slip 3 is driven by the oil cylinder 5 to vertically move upwards to separate the inner cone 6 from the steel pipe and open the forward slip 2 in advance, so that the resistance of the forward slip 2 to open is relieved, and the forward slip 2 is easy to open. When the central steel pipe 1 bears vertical upward force, the reverse slip 3 is acted, and the forward slip 2 is not acted, at the moment, the elastic component 8 at the reverse slip 3 is compressed without a gap, and only the elastic component 8 at the forward slip 2 is provided with a gap because of no downward load. When the upper and the front slips 2 are opened simultaneously, the front slips 2 vertically move downwards under the driving of the oil cylinder 5 to separate the inner cone 6 from the steel pipe and open in advance, so that the resistance of the reverse slips 3 to open is removed to enable the reverse slips 3 to be easily opened.
The utility model discloses the principle is simple, and the structure is reliable, and slips in-group embeds the elastic device subassembly and has improved its commonality, plays the workover rig of operation such as tubular column operation, change oil pipe, sleeve pipe and similar long stroke in oilfield equipment etc. all has extensive popularization and application prospect.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. An elastic anti-lock component of a slip set is characterized by comprising a central steel pipe, a forward slip and a reverse slip which are arranged at two ends of the central steel pipe, wherein the forward slip and the reverse slip are detachably clamped and fixed with the central steel pipe;
the forward-installed slips and the reverse-installed slips are connected through the guide columns;
elastic devices are respectively arranged at the top of the forward-installed slip and the bottom of the reverse-installed slip, bases are respectively arranged at the top of the forward-installed slip and the bottom of the reverse-installed slip, and the elastic devices are positioned between the forward-installed slip and the base/between the reverse-installed slip and the base and are fixedly connected with the bases;
the positive-mounted slips and the reverse-mounted slips respectively comprise an inner cone, an oil cylinder and an outer cone, the inner cone and the outer cone are fixedly connected, the output end of the oil cylinder is fixedly connected with the outer cone through a connecting rod assembly, the fixed end of the oil cylinder is fixedly connected with the base, the center steel pipe is movably clamped inside the inner cone, and the small cone end of the inner cone faces to the two ends of the center steel pipe.
2. The resilient anti-lock slip system as claimed in claim 1, wherein the base defines a through slot, and the bottom/top of the resilient member is disposed within the through slot and is fixedly connected to the through slot.
3. The slip set elastomeric anti-lock brake system of claim 1, further comprising a working machine, wherein a positioning groove is formed in an upper surface of the working machine, and a bottom of the guide post is disposed in the positioning groove and fixedly connected to the positioning groove.
4. The slip assembly elastomeric anti-lock brake system according to claim 3, wherein the work machine is positioned at a bottom of a positive slip, a gap being provided between a base of the bottom of the positive slip and an upper surface of the work machine.
5. The slip set elastomeric anti-lock brake system of claim 4, wherein said gap has a height of 10 mm.
6. The slip assembly resilient anti-lock system according to claim 1, wherein said resilient member is externally provided with a boot, and said boot is externally provided with an anti-slip cover.
7. The slip pack elastomeric anti-lock brake system according to claim 6, wherein said elastomeric means is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220868760.4U CN217080366U (en) | 2022-04-14 | 2022-04-14 | Slip group elasticity anti-lock component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220868760.4U CN217080366U (en) | 2022-04-14 | 2022-04-14 | Slip group elasticity anti-lock component |
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| Publication Number | Publication Date |
|---|---|
| CN217080366U true CN217080366U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220868760.4U Active CN217080366U (en) | 2022-04-14 | 2022-04-14 | Slip group elasticity anti-lock component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977557A (en) * | 2023-03-22 | 2023-04-18 | 四川圣诺油气工程技术服务有限公司 | Oil pipe lifting control device for operation under pressure |
-
2022
- 2022-04-14 CN CN202220868760.4U patent/CN217080366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977557A (en) * | 2023-03-22 | 2023-04-18 | 四川圣诺油气工程技术服务有限公司 | Oil pipe lifting control device for operation under pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An elastic anti lock component of a slip set Effective date of registration: 20230317 Granted publication date: 20220729 Pledgee: Bank of China Limited Xi'an Gulou Sub-branch Pledgor: XI'AN QIN-SEN TECHNOLOGY Co.,Ltd. Registration number: Y2023980035245 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230327 Granted publication date: 20220729 Pledgee: Bank of China Limited Xi'an Gulou Sub-branch Pledgor: XI'AN QIN-SEN TECHNOLOGY Co.,Ltd. Registration number: Y2023980035245 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A slip set elastic anti lock component Effective date of registration: 20230329 Granted publication date: 20220729 Pledgee: Bank of China Limited Xi'an Gulou Sub-branch Pledgor: XI'AN QIN-SEN TECHNOLOGY Co.,Ltd. Registration number: Y2023610000225 |