CN207583332U - A kind of novel tubular column clamping device - Google Patents
A kind of novel tubular column clamping device Download PDFInfo
- Publication number
- CN207583332U CN207583332U CN201721804430.4U CN201721804430U CN207583332U CN 207583332 U CN207583332 U CN 207583332U CN 201721804430 U CN201721804430 U CN 201721804430U CN 207583332 U CN207583332 U CN 207583332U
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- China
- Prior art keywords
- chain link
- clamping device
- connect
- tail
- dynamical
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- 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.)
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Abstract
A kind of novel tubular column clamping device belongs to petroleum and natural gas drilling-production equipment field, including first chain link, tail chain section, middle shot, connecting element, dynamical element, clamping element, elastic tension element and limit element and tightening member.First chain link one end is connect with dynamical element by tightening member, and the other end is connect by connecting element with middle shot；Middle shot is connect by connecting element with middle shot or head and the tail chain link；Tail chain section is connect by connecting element with dynamical element hinged seat, and the other end is connect with middle shot；It is placed in each chain link inner side plane and clamps dental lamina, elastic tension element passes through the outer bulge point of each chain link so that clamping device remains class round shape.Clamp force distribution suffered by the utility model tubing wall is uniform；Clamping automation easy to implement；Oil pipe is facilitated to clamp；Improve the reliability of clamping device；Replacement easy to disassemble can adapt to various sizes of tubing string by changing chain link number and selecting the oil cylinder of appropriate stroke.
Description
Technical field
The utility model belongs to petroleum and natural gas drilling-production equipment field, is related to a kind of tubular column clamping device, more particularly to
A kind of novel tubular column clamping device.
Background technology
Oil is the extremely important industrial energy in the world today, in recent years, with the continuous development of oil drilling industry, stone
Oily exploitation field proposes oil equipment higher and higher technology requirement.Remove tube apparatus, tubing string movement equipment, tubing string row
Cloth equipment and workover rig with pressure are intra-field capital equipments, and tubing string clamping device be more than equipment it is common most
One of critical piece, therefore tubing string clamping device improves and innovation has more important practical significance.
The clamping device that each equipment uses at present has following defect：1) oil well of different bores needs various sizes of pipe
Column, thus needs frequently replace clamping element at work and clamping device is more complicated, the loading and unloading of clamping element
It is comparatively laborious, it is impossible to meet the job requirement changed in the range of certain size in tubing string.2) folder of some tubing string clamping devices
Holding element and being unevenly distributed around tubing string leads to tubing string outer wall concentrated wear.3) well head is often automatic with the mechanization of elevator at present
During change degree is low, fully relies on the manual operation of worker, and the great work intensity of worker, work limitation is low, and tubing string lifts
There are security risks.
Utility model content
Small range is unable to solve traditional tubular column clamping device and adapts to string size variation, chucking power distribution suffered by tubing string not
Uniformly, the degree of automation is low, the low problem of safety coefficient, and the utility model provides a kind of novel tubular column clamping device, by head and the tail chain
Section is connected with middle shot by connecting element, and head and the tail chain saves dynamical element connection, and elastic tension element is passed through chain link
Protrusion part applies chain link outside tension.
In order to achieve the above object, the technical solution of the utility model is：
A kind of novel tubular column clamping device, including dynamical element, tightening member, connecting element, multiple middle shots, clamping
Element, elastic tension element, tail chain section, limit element, dynamical element hinged seat, first chain link.First chain link, tail chain section with it is multiple in
Between the holder body of " C " type structure is formed between chain link, holder body is stepped up by dynamical element realization, unclasped.
The first chain link, the both ends of tail chain section use articulated structure；First chain link, tail chain section one end pass through connection
Element and split pin are connect with middle shot；The other end of first chain link is tight by first chain link connecting plate and first chain link with dynamical element
Gu element connects, the both sides of dynamical element one end process two cylindrical boss, for hingedly coordinating with first chain link, realize first chain
The rotation of section；The other end of tail chain section is connect by connecting element with dynamical element hinged seat, dynamical element hinged seat and power
The rod piece of element is connected.The similary both ends of the middle shot use articulated structure, by connecting element and split pin with it is other
Middle shot or the connection of head and the tail chain link.
The first chain link, tail chain section, middle shot inner side plane on be provided with the slot for placing clamping element, clamping member
Part is affixed by tightening member and each chain link, and clamping element is used to step up, unclasp tubing string.First chain link, tail chain section, middle shot
Outer bulge point plane on equal trepanning, depending on the cross sectional shape in hole is according to the cross sectional shape of elastic tension element, elasticity
Tension element sequentially passes through the trepanning on the outside of each chain link, applies outside tension to each chain link for limiting each chain link not
It determines rotation, holder body is made to remain class round shape, ensure to ensure tubular pipe connection while clamp force distribution suffered by tube wall is uniform
Bind round safety；The both ends of the elastic tension element are connect with limit element, and elastic tension element is limited by limit element
It scurries out from one end.
The dynamical element is oil cylinder or cylinder；The elastic tension element is steel spring plate or spring steel
Item.Pitch length between pitch length and initial and end chain link both ends hinge joint between the quantity of the middle shot and both ends hinge joint
Degree is adjusted according to the tubing string outer diameter size accommodated.
Above-mentioned novel tubular column clamping device is driven by the rod piece of dynamical element, drives initial and end chain link folding and unfolding, and finish up chain link
The shape of main body is limited during folding and unfolding by elastic tension element, makes its safety string collar.
This tubular column clamping device is suitable for removing tube apparatus, tubing string movement equipment, tubing string arrangement equipment and well workover with pressure
Equipment drives the flexible of dynamical element by control system, and tubing string is stepped up and decontroled so as to fulfill device；It and can be with
By increasing or decreasing chain link number and selecting the dynamical element of appropriate stroke to adapt to the tubing string of different dimensions.
The beneficial effects of the utility model are：1) make clamp force distribution suffered by tubing string wall uniform using chain type clamping mechanism
Prevent tubing string outer wall concentrated wear；2) dynamical element implementation mechanism of stretching steps up can to obtain reliable clamping force and easily real
Automation control is now clamped, convenient for being applied in various automatic tubular column chucking devices；3) elastic tension element is protruded across chain link
The uncertain rotation that the part tension outside to chain link application can limit connection is that clamping device remains class round shape, convenient
Tubing string clamps；4) the different dimensions tubing strings of small-scale change in size can be clamped in the case where not changing structure；5)
Chain internode is using connecting element and distal opening pin connection, replacement easy to disassemble, and can be by increasing or decreasing chain number
Mesh simultaneously selects the dynamical element of appropriate stroke to adapt to the tubing string of different dimensions.
Description of the drawings：
Fig. 1 is the schematic diagram of novel tubular column clamping device；
Fig. 2 is vertical view when novel tubular column clamping device clamps small size tubing string；
Fig. 3 is vertical view when novel tubular column clamping device clamps large scale tubing string；
Fig. 4 is vertical view when novel tubular column clamping device changes chain link number clamping tubing string；
Fig. 5 is the structure chart of dynamical element；
In figure：1 dynamical element；2 tightening members；3 connecting elements；4 middle shots；5 clamping elements；6 elastic tension elements；
7 tail chain sections；8 limit elements；9 dynamical element hinged seats；10 first chain links；11 first chain link tightening members；12 first chain link connecting plates.
Specific embodiment
Specific embodiment of the present utility model is illustrated below in conjunction with the accompanying drawings, but it is new that this should not be interpreted as to this practicality
The range of the above-mentioned main body of type is only limitted to following instance, and all technologies realized based on the utility model content belong to this practicality
Novel range.
A kind of novel tubular column clamping device, as shown in Figure 1, including dynamical element 1, tightening member 2, connecting element 3, multiple
Middle shot 4, clamping element 5, elastic tension element 6, tail chain section 7, limit element 8, dynamical element hinged seat 9, first chain link 10.
The dynamical element 1 is oil cylinder, and elastic tension element 6 is steel spring plate.
The first chain link 10, the both ends of tail chain section 7 use articulated structure；First chain link 10, one end of tail chain section 7 are logical
Connecting element 3 and split pin is crossed to connect with middle shot 4；The other end of first chain link 10 is connect with dynamical element 1 by first chain link
Plate 12 and first chain link tightening member 11 connect, and the both sides of 1 one end of dynamical element process two cylindrical boss, for first chain link
10 hinged cooperations, realize the rotation of first chain link 10；The other end of tail chain section 7 is connected by connecting element 3 and dynamical element hinged seat 9
It connects, dynamical element hinged seat 9 is connected with the rod piece of dynamical element 1.The 4 similary both ends of middle shot use articulated structure,
It is connect by connecting element 3 and split pin with other middle shots 4 or head and the tail chain link.
The first chain link 10, tail chain section 7, middle shot 4 inner side plane on be provided with the slot for placing clamping element 5,
Clamping element 5 is affixed by tightening member 2 and first chain link 10, tail chain section 7, middle shot 4, and clamping element 5 is for stepping up, pine
Put tubing string.First chain link 10, tail chain section 7, middle shot 4 outer bulge point plane on equal trepanning, the cross sectional shape in hole according to
Depending on cross sectional shape according to elastic tension element 6, elastic tension element 6 sequentially passes through the trepanning on the outside of each chain link, to each
Chain link applies the uncertain rotation that outside tension is used to limit each chain link, and holder body is made to remain class round shape, ensures pipe
Column box cupling safety；The both ends of the elastic tension element 6 are connect with limit element 8, and elasticity is limited by limit element 8
Tight element 6 is scurried out from one end.
Claims (5)
1. a kind of novel tubular column clamping device, which is characterized in that the novel tubular column clamping device include dynamical element (1),
Tightening member (2), connecting element (3), multiple middle shots (4), clamping element (5), elastic tension element (6), tail chain section
(7), limit element (8), dynamical element hinged seat (9), first chain link (10)；Head and the tail chain link (10,7) and multiple middle shots (4)
Between form the holder body of " C " type structure, holder body is stepped up, is unclasped by dynamical element (1) realization；
The both ends of the head and the tail chain link (10,7) use articulated structure；One end of head and the tail chain link (10,7) is by connecting member
Part (3) is connect with middle shot (4)；The other end of first chain link (10) passes through first chain link connecting plate 12 and head with dynamical element (1)
Chain link tightening member 11 connects, and the both sides of dynamical element (1) one end process two cylindrical boss, for being cut with scissors with first chain link (10)
Cooperation is connect, realizes the rotation of first chain link (10)；The other end of tail chain section (7) passes through connecting element (3) and dynamical element hinged seat
(9) it connects, dynamical element hinged seat (9) is connected with the rod piece of dynamical element (1)；It adopts at the similary both ends of the middle shot (4)
With articulated structure, it is connect by connecting element (3) with other middle shots (4) or head and the tail chain link (10,7)；
The head and the tail chain link (10,7) is provided with the slot for placing clamping element (5), folder in the inner side plane of middle shot (4)
It is affixed by tightening member (2) and each chain link to hold element (5)；Head and the tail chain link (10,7), the outer bulge point of middle shot (4)
Plane on equal trepanning, depending on the cross sectional shape of the cross sectional shape in hole according to elastic tension element (6), elastic tension element (6)
The trepanning on the outside of each chain link is sequentially passed through, applies uncertain turn that outside tension is used to limit each chain link to each chain link
It is dynamic, holder body is made to remain class round shape, ensures to ensure string collar safety while clamp force distribution suffered by tube wall is uniform
Pass through；The both ends of the elastic tension element (6) are connect with limit element (8), and elastic tension member is limited by limit element (8)
Part (6) is scurried out from one end.
2. a kind of novel tubular column clamping device according to claim 1, which is characterized in that the middle shot (4)
Between quantity and both ends hinge joint between pitch length and head and the tail chain link (10,7) both ends hinge joint pitch length according to being accommodated
Tubing string outer diameter size determines.
A kind of 3. novel tubular column clamping device according to claim 1 or 2, which is characterized in that the dynamical element (1)
For oil cylinder or cylinder.
A kind of 4. novel tubular column clamping device according to claim 1 or 2, which is characterized in that the elastic tension member
Part (6) is steel spring plate or spring steel bar.
A kind of 5. novel tubular column clamping device according to claim 3, which is characterized in that the elastic tension element
(6) it is steel spring plate or spring steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804430.4U CN207583332U (en) | 2017-12-21 | 2017-12-21 | A kind of novel tubular column clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804430.4U CN207583332U (en) | 2017-12-21 | 2017-12-21 | A kind of novel tubular column clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583332U true CN207583332U (en) | 2018-07-06 |
Family
ID=62739870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804430.4U Expired - Fee Related CN207583332U (en) | 2017-12-21 | 2017-12-21 | A kind of novel tubular column clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989561A (en) * | 2017-12-21 | 2018-05-04 | 大连惠德自动化设备有限公司 | A kind of new tubular column clamping device |
-
2017
- 2017-12-21 CN CN201721804430.4U patent/CN207583332U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989561A (en) * | 2017-12-21 | 2018-05-04 | 大连惠德自动化设备有限公司 | A kind of new tubular column clamping device |
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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: 20180706 Termination date: 20211221 |