CN207436944U - Riser joints ratchet-type anti-rotation device - Google Patents
Riser joints ratchet-type anti-rotation device Download PDFInfo
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- CN207436944U CN207436944U CN201721349956.8U CN201721349956U CN207436944U CN 207436944 U CN207436944 U CN 207436944U CN 201721349956 U CN201721349956 U CN 201721349956U CN 207436944 U CN207436944 U CN 207436944U
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Abstract
The utility model provides riser joints ratchet-type anti-rotation device, wherein two stringcourses of the anti-rotation device are parallel, has angle with axis, bottom is arc, and arcuately direction is arranged with antiturning pitch, and antiturning pitch is triangle；Anti-rotation groove is fixed on pin end, is ladder structure of right angle, and trapezoidal hypotenuse has angle with axis；Anti-rotation groove is fitted close with anti-rotation device；Anti-rotation device is placed at riser pin anti-rotation notch, and anti-rotation device centre is provided with fixing screws mounting hole, is movably installed in by fixing screws on anti-rotation groove, and anti-rotation device is not hindered to rotate；Advantage is：Dismounting is quick, and anti-rotation is strong, and security is good；In shackle process, anti-rotation device tooth engaged is similar to ratchet structure to the Force principle of connector, and cambered surface tooth engaged the more can eat the more deep, and anti-rotation effect constantly enhances, and anti-rotation is safe and reliable.
Description
Technical field
The present invention relates to riser joints field, more particularly, to riser joints ratchet-type anti-rotation device.
Background technology
Increasingly in short supply, the continuous continuous promotion reduced with development cost of On shore Oil Development of petroleum resources, marine stone
Exploration activity has increasingly consequence in oil development.Can be added during marine drilling operation on most surface layer one layer of surface layer every
Seawater is separated carry out exploration operation by water pipe.Screw-type marine riser is as the important component in drilling well marine riser, screw thread
Formula connector after tightening, it is necessary to increase anti-rotation device carry out it is anti-loosening, prevent marine riser screw thread during installation and use
Loose phenomenon is buckled to, ensures installation exercise and the security used, it is therefore desirable to which waterproof casing anti-rotation structure is specially set
Meter, original design anti-rotation structure have the function of anti-rotating forward, anti-turn.It is found according to recent study and investigation, hammers formula marine riser
Nipple has the trend rotated forward during installation hammers, therefore connector anti-rotation structure had both required screw-type marine riser
It can be rotated forward during hammering, and require that there is good anti-down rotating function in use environment.
The content of the invention
It is an object of the invention to be solution the deficiencies in the prior art, and provide riser joints ratchet-type anti-rotation device.
The new technical solution of the present invention is：Riser joints ratchet-type anti-rotation device is parallelogram sturcutre, including anti-
Rotary device, anti-rotation groove and fixing screws, anti-rotation device are designed as angle-inserting type parallelogram sturcutre, and two of which stringcourse is parallel,
There is angle with axis, bottom is arc, and radian is irregular, and left and right two parts radian is not on the same center of circle, on the arc of base,
Arcuately direction is arranged with antiturning pitch, and antiturning pitch is triangle；Anti-rotation groove is fixed on pin end, is ladder structure of right angle, terraced
Shape bevel edge has angle with axis；Anti-rotation groove is fitted close with anti-rotation device；Anti-rotation device is placed in riser pin anti-rotation notch
Place, anti-rotation device centre is provided with fixing screws mounting hole, is movably installed in by fixing screws on anti-rotation groove, and does not hinder
Anti-rotation device rotates.
The anti-rotation device width is 20~50cm, is highly 30~45cm, and the angular range of stringcourse and axis is 0 °
~20 °, bottom left-half radian size range is R20~R50, and right half part radian size range is R80~R15.
The anti-rotation device lower tooth acute angle scope is that anti-rotation bottom angle is 25 °~60 °, and there is inclination angle in tooth depth direction,
Inclination angle scope is 10 °~20 °, and female is pierced into convenient for closing piece when the sharp and inclination angle of tooth form is engaged installation.
The anti-rotation groove trapezoidal hypotenuse is 12 °~20 ° with axis angle scope.
The anti-rotation groove trapezoidal hypotenuse preferentially selects 16.5 ° with axis angle.
The anti-rotation groove coordinates with anti-rotation device, and hammer force and vibrations, anti-rotation dress are generated when hammering formula marine riser operation
Put can generate it is small range of rotate counterclockwise, 0 °~5 ° of slewing area；When connector generates loosening, anti-rotation device is in anti-rotation groove
Interior generate rotates clockwise, 0 °~8 ° of slewing area.
The anti-rotation device material is 40Cr, Cr12MoV1, T10 forging.
The anti-rotation device material preferentially selects 40Cr.
The mounting groove nearby has slope to dismantle mouth.
Beneficial effects of the present invention are：Dismounting is quick, and anti-rotation is strong, and security is good；In shackle process, anti-rotation device is stung
Conjunction tooth is similar to ratchet structure to the Force principle of connector, and cambered surface tooth engaged the more can eat the more deep, and anti-rotation effect constantly enhances, anti-rotation
Property is safe and reliable.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 rotates forward anti-rotation device state 3 d effect graph for connector.
Fig. 3 loosens state anti-rotation device 3 d effect graph for connector shackle.
Wherein：1 is anti-rotation device, and 2 be anti-rotation groove, and 3 be fixing screws, and 4 be antiturning pitch.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Riser joints ratchet-type anti-rotation device is parallelogram sturcutre, including anti-rotation device 1, anti-rotation groove 2 and is fixed
Screw 3, anti-rotation device 1 are designed as angle-inserting type parallelogram sturcutre, and two of which stringcourse is parallel, have angle with axis, bottom
While being arc, radian is irregular, and left and right two parts radian is not on the same center of circle, and on the arc of base, arcuately direction is arranged with
Antiturning pitch 4, antiturning pitch 4 are triangle；Anti-rotation groove 2 is fixed on pin end, is ladder structure of right angle, and trapezoidal hypotenuse has with axis
Angle；Anti-rotation groove 2 is fitted close with anti-rotation device 1；Anti-rotation device 1 is placed at 2 mouthfuls of riser pin anti-rotation groove, anti-rotation device
1 centre is provided with 3 mounting hole of fixing screws, is movably installed in by fixing screws 3 on anti-rotation groove 2, and anti-rotation is not hindered to fill
Put 1 rotation.
1 width of anti-rotation device is 20~50cm, is highly 30~45cm, and the angular range of stringcourse and axis is 0 °
~20 °, bottom left-half radian size range is R20~R50, and right half part radian size range is R80~R15.
The 1 lower tooth acute angle scope of anti-rotation device is that 4 angle of antiturning pitch is 25 °~60 °, and tooth depth direction, which has, inclines
Angle, inclination angle scope are 10 °~20 °, and female is pierced into convenient for closing piece when the sharp and inclination angle of tooth form is engaged installation.
2 trapezoidal hypotenuse of anti-rotation groove is 12 °~20 ° with axis angle scope.
2 trapezoidal hypotenuse of anti-rotation groove preferentially selects 16.5 ° with axis angle.
The anti-rotation groove 2 coordinates with anti-rotation device 1, and hammer force and vibrations, anti-rotation are generated when hammering formula marine riser operation
Device 1 can generate it is small range of rotate counterclockwise, 0 °~5 ° of slewing area；When connector generates loosening, anti-rotation device 1 is anti-
It can generate and rotate clockwise in turn trough 2,0 °~8 ° of slewing area.
1 material of anti-rotation device is 40Cr, Cr12MoV1, T10 forging.
1 material of anti-rotation device preferentially selects 40Cr.
The mounting groove nearby has slope to dismantle mouth.
Claims (9)
1. riser joints ratchet-type anti-rotation device is parallelogram sturcutre, including anti-rotation device（1）, anti-rotation groove（2）It is and solid
Determine screw（3）, it is characterised in that：Anti-rotation device（1）Angle-inserting type parallelogram sturcutre is designed as, two of which stringcourse is parallel,
There is angle with axis, bottom is arc, and radian is irregular, and left and right two parts radian is not on the same center of circle, on the arc of base,
Arcuately direction is arranged with antiturning pitch（4）, antiturning pitch（4）For triangle；Anti-rotation groove（2）It is fixed on pin end, is right angle ladder
Shape structure, trapezoidal hypotenuse have angle with axis；Anti-rotation groove（2）With anti-rotation device（1）It is fitted close；Anti-rotation device（1）Be placed in every
Water pipe pin end anti-rotation groove（2）At mouthful, anti-rotation device（1）Centre is provided with fixing screws（3）Mounting hole passes through fixing screws
（3）It is movably installed in anti-rotation groove（2）On, and do not hinder anti-rotation device（1）It rotates.
2. riser joints ratchet-type anti-rotation device according to claim 1, it is characterised in that：The anti-rotation device
（1）Width is 20~50cm, is highly 30~45cm, and the angular range of stringcourse and axis is 0 °~20 °, bottom left-half
Radian size range is R20~R50, and right half part radian size range is R80~R15.
3. riser joints ratchet-type anti-rotation device according to claim 1, it is characterised in that：The anti-rotation device
（1）Lower tooth acute angle scope is antiturning pitch（4）Angle is 25 °~60 °, and there is an inclination angle in tooth depth direction, inclination angle scope for 10 °~
20 °, female is pierced into convenient for closing piece when the sharp and inclination angle of tooth form is engaged installation.
4. riser joints ratchet-type anti-rotation device according to claim 1, it is characterised in that：The anti-rotation groove（2）
Trapezoidal hypotenuse is 12 °~20 ° with axis angle scope.
5. the riser joints ratchet-type anti-rotation device according to claim 1 or 4, it is characterised in that：The anti-rotation groove
（2）Trapezoidal hypotenuse preferentially selects 16.5 ° with axis angle.
6. riser joints ratchet-type anti-rotation device according to claim 1, it is characterised in that：The anti-rotation groove（2）
With anti-rotation device（1）Cooperation generates hammer force and vibrations, anti-rotation device when hammering formula marine riser operation（1）Smaller model can be generated
That encloses rotates counterclockwise, 0 °~5 ° of slewing area；When connector generates loosening, anti-rotation device（1）In anti-rotation groove（2）It is interior to generate
It rotates clockwise, 0 °~8 ° of slewing area.
7. riser joints ratchet-type anti-rotation device according to claim 1, it is characterised in that：The anti-rotation device
（1）Material is 40Cr, Cr12MoV1, T10 forging.
8. the riser joints ratchet-type anti-rotation device according to claim 1 or 7, it is characterised in that：The anti-rotation dress
It puts（1）Material preferentially selects 40Cr.
9. riser joints ratchet-type anti-rotation device according to claim 1, it is characterised in that：Near the mounting groove
There is slope to dismantle mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721349956.8U CN207436944U (en) | 2017-10-19 | 2017-10-19 | Riser joints ratchet-type anti-rotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721349956.8U CN207436944U (en) | 2017-10-19 | 2017-10-19 | Riser joints ratchet-type anti-rotation device |
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| Publication Number | Publication Date |
|---|---|
| CN207436944U true CN207436944U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721349956.8U Active CN207436944U (en) | 2017-10-19 | 2017-10-19 | Riser joints ratchet-type anti-rotation device |
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| Country | Link |
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| CN (1) | CN207436944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747477A (en) * | 2017-10-19 | 2018-03-02 | 山东祺龙海洋石油钢管股份有限公司 | Riser joints ratchet-type anti-rotation device |
-
2017
- 2017-10-19 CN CN201721349956.8U patent/CN207436944U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747477A (en) * | 2017-10-19 | 2018-03-02 | 山东祺龙海洋石油钢管股份有限公司 | Riser joints ratchet-type anti-rotation device |
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