CN206668180U - A kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group - Google Patents
A kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group Download PDFInfo
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- CN206668180U CN206668180U CN201720300250.6U CN201720300250U CN206668180U CN 206668180 U CN206668180 U CN 206668180U CN 201720300250 U CN201720300250 U CN 201720300250U CN 206668180 U CN206668180 U CN 206668180U
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Abstract
Oil drilling and extracting equipment field is the utility model is related to, discloses a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group.Including housing and it is arranged rotating shaft in the housing, the both ends of rotating shaft are respectively fixed with input flange and output flange, every provided with multiple first oilholes on housing, along the circumferential direction it is provided with rotating shaft and corresponds the first annular oil groove connected with the first oilhole, it is radially spaced on output flange to be provided with and the first oil duct of first annular oil groove quantity identical, first oil duct one end is connected with the oil cylinder of slips group, and the other end is connected by the second oil duct being opened in along its length in rotating shaft with corresponding first annular oil groove.Rotating shaft of the present utility model is provided with first annular oil groove, on the one hand the annular oil groove is connected by the first oilhole on housing with the changeless petrol station in position, the opposing party will pass through the first oil duct and the second oil duct and be connected with the slips group rotated, it is achieved thereby that continuous rotation fuel feeding of the petrol station to slips group.
Description
Technical field
Oil drilling and extracting equipment field is the utility model is related to, it is specifically a kind of to be used for pressure balance workover rig slips group
Rotate the high-pressure rotary seat of fuel feeding.
Background technology
In oil drilling and well workover field, pressure balance workover rig is a new technology application.No killing well equipment in use,
There is pressure in shaft bottom, drilling rod also has from gravity.Due to the imbalance of bottom pressure and drilling rod gravity, in pressure balance workover rig equipment
Above, it is necessary to set slips to carry out holding drill pipe to ensure normal construction.When bottom pressure is more than drilling rod gravity, it is necessary to anti-jack slips
Prevent drilling rod from going out upwards.When bottom pressure is less than drilling rod gravity, it is necessary to which load-bearing slips prevents drilling rod from falling into well.In addition,
Also need to rotate slips to allow drilling rod rotary drilling.
Pressure balance workover rig slips of the prior art is clamped all by double acting hydraulic cylinder to realize for drilling rod,
Overall hydraulic system is needed to provide hydraulic oil to the hydraulic cylinder of slips.Because slips needs to rotate in operation, so how
Just turn into a problem to slips fuel feeding.On current workover rig, fast spigot joint is installed on slips, stopped operating in slips
When, pipe joint is plugged to slips fuel feeding, it is necessary to which pipe joint is dismantled when rotation, is leaked because hydraulic cylinder is present, liquid
The pressure of force feed can be reduced gradually, and clamping force also can deficiency.So need constantly dismounting pipe joint.And slips is in operation
Cheng Zhonghui is moved up and down, and movement range is up to 3 meters, it is necessary to dismount fast spigot joint in two height, very inconvenient, increase
Labor strength, and workover treatment platform is up to 10 meters, and dealing adds operation danger up and down.
Utility model content
The utility model aims to provide a kind of fuel system by snap joint in the prior art and replaces with the continuous confession of rotation
The high-pressure rotary seat of oil.
In order to solve the above technical problems, the technical solution adopted in the utility model is：One kind is used for no killing well well workover
Machine slips group rotates the high-pressure rotary seat of fuel feeding, including the housing of sleeve-shaped and the rotatable rotating shaft being arranged in the housing, institute
The both ends for stating rotating shaft are stretched out beyond housing, and one end of rotating shaft is fixed with for connecting pressure balance workover rig rotary power part
Input flange, the other end are fixed with the output flange for connecting pressure balance workover rig slips group, along length side on the housing
To multiple first oilholes are interval with, and correspond company identical with the first oilhole quantity is along the circumferential direction provided with the rotating shaft
Logical first annular oil groove, it is radially spaced on the output flange to be provided with identical with first annular oil groove quantity and correspond
The first oil duct, the first oil duct is located at one end in the middle part of the output flange by being opened in along its length in the rotating shaft
Second oil duct is connected with corresponding first annular oil groove, and the first oil duct is located at the one end at output flange edge and the oil cylinder of slips group
It is connected.
Preferably, the quantity of first oilhole, first annular oil groove, the first oil duct and the second oil duct is six,
And form six independent oil pipe roads, six oil pipe roads correspond to respectively anti-jack slips in slips group, load-bearing slips and
Rotate the oil-feed path and way to cycle oil of oil cylinder in slips.
Preferably, the both ends of the inner walls are respectively provided with the bearing groove of installation bearing, are set respectively in bearing groove
It is equipped with thrust bearing.
Preferably, is offered between bearing groove and an immediate first annular oil groove in the rotating shaft
Second ring oil groove, the second oilhole that is corresponding with two the second annular oil grooves respectively and connecting is provided with housing.
Preferably, first oilhole and the second oilhole are opened in both sides opposite on housing respectively.
Preferably, in the rotating shaft between the adjacent first annular oil groove of any two and the second annular oil groove
Offer the seal groove of built-in sealing ring between a first annular oil groove of most proximity, the sealing ring is used to reducing the
The leakage rate of hydraulic oil between one oilhole and corresponding first annular oil groove；Positioned at the on the inwall of the rotating shaft and housing
Corresponding groove is offered between second ring oil groove and bearing groove respectively, is provided between two grooves for preventing hydraulic oil
Leak to the sealing ring of hull outside.
Preferably, first oil duct is located at the one end at output flange edge and is arranged to screwed hole.
Preferably, first oilhole and the second oilhole are screwed hole.
Preferably, the rotating shaft is hollow type, and the input flange and output flange are fixed on by fixing bolt respectively
The both ends of rotating shaft.
Beneficial effect
Rotating shaft of the present utility model is provided with first annular oil groove, on the one hand the annular oil groove passes through the first oil on housing
Hole is connected with the changeless petrol station in position, and the opposing party will pass through the first oil duct and the second oil duct and be connected with the slips group rotated,
It is achieved thereby that continuous rotation fuel feeding of the petrol station to slips group.Operating personnel can on the operational platform by hydraulic valve realize to
Fuel feeding in the oil cylinder of slips group, it is not necessary to move up and down, also need not repeated disassembled and assembled snap joint, so as to improve integral device operation
Efficiency, also reduce the labor intensity of operating personnel and the risk of injury.
Brief description of the drawings
Fig. 1 is longitudinal sectional view of the present utility model；
Marked in figure：1st, housing, 2, rotating shaft, 3, input flange, 4, output flange, the 5, first oilhole, 6, first annular oil
Groove, the 7, first oil duct, the 8, second oil duct, 9, thrust bearing, the 10, second annular oil groove, the 11, second oilhole, 12, sealing ring, 13,
Sealing ring, 14, fixing bolt.
Embodiment
A kind of as shown in figure 1, high-pressure rotary for being used to rotate fuel feeding to pressure balance workover rig slips group of the present utility model
Seat, including the housing 1 that is fixed on pressure balance workover rig equipment fixed part and it is arranged hollow rotating shaft 2 within the case 1.
In the process of running, housing 1 is motionless and rotating shaft 2 rotates at a high speed, and bearing groove, bearing groove are respectively equipped with the both ends of the inwall of housing 1
Relative thrust bearing 9 is inside respectively equipped with, for supporting the rotation of rotating shaft 2.The both ends of rotating shaft 2, which are stretched out beyond housing 1, to be set,
Its lower end is fixed with the input flange 3 for connecting pressure balance workover rig rotary power part, its upper end by fixing bolt 14
The output flange 4 for connecting pressure balance workover rig slips group is fixed with again by fixing bolt 14, is driven by input flange 3
Rotating shaft 2 and output flange 4 rotate, and then drive the slips group of pressure balance workover rig equipment to rotate.
The utility model is by setting six separate oil pipe roads to realize the slips from fixed petrol station to rotation
Continuous the rotation oil-feed and oil return of anti-jack slips, load-bearing slips and rotation slips oil cylinder in group.Any one above-mentioned logical
Oil pipe line includes the first oilhole 5, first annular oil groove 6, the first oil duct 7 and the second oil duct 8.Six the first oilholes 5 are along shell
The length direction interval of body 1 is opened in the side wall of housing 1.Six first annular oil groove 6 is opened in along the circumferencial direction of rotating shaft 2 respectively
On the periphery of rotating shaft 2, and in the rotary course of rotating shaft 2, the first oilhole 5 and first annular oil groove 6 are corresponded and connected all the time
It is logical.Six the first oil ducts 7 are radially spaced along the radial direction of output flange 4 respectively to be opened on ring flange, and the first oil duct 7 is located at
Close to the one end at the middle part of output flange 4 by the second oil duct 8 for being opened in along its length in rotating shaft 2 with it is corresponding first annular
Oil groove 6 is connected, and one end that the first oil duct 7 is located at the edge of output flange 4 is connected by flexible pipe with the oil cylinder of slips group, six the
The one end of one oilhole 5 away from first annular oil groove 6 is connected by flexible pipe with petrol station, you can is realized rotation lasts fuel feeding and is returned
Oil.Hydraulic oil enters in slips group by the first oilhole 5, first annular oil groove 6, the second oil duct 8 and the first oil duct 7 successively,
Or return to petrol station by the first oil duct 7, the second oil duct 8, the oilhole 5 of first annular oil groove 6 and first successively.
During above-mentioned oil-feed and oil return, hydraulic oil may be let out between the first oilhole 5 and first annular oil groove 6
Leak to the gap between housing 1 and rotating shaft 2.In order to avoid hydraulic oil is leaked to the external contamination environment of housing 1, the utility model exists
In rotating shaft 2 the second annular oil groove is offered between bearing groove and a first annular oil groove 6 immediate with bearing groove
10, the second oilhole 11 that is corresponding with two the second annular oil grooves 10 respectively and connecting is provided with housing 1, the second oilhole 11 opens up
The side opposite with the first oilhole 5 on housing 1, the second oilhole 11 are connected by flexible pipe with petrol station, make housing 1 and rotating shaft 2
Hydraulic oil between gap returns to petrol station by the second annular oil groove 10 and the second oilhole 11 successively.For convenience with petrol station or slips
The connection of group oil cylinder, the first oilhole 5 of the present utility model, the second oilhole 11 and the first oil duct 7 are located at the edge of output flange 4
One end is disposed as screwed hole, and the convenient flexible hose that joint is threaded by head quickly connects.Leak to housing 1 and turn
A small amount of hydraulic oil in the gap of axle 2 can play lubrication, promote the flexible rotating of rotating shaft 2, then may be from but if leakage rate is larger
The both ends of housing 1 leak into the external contamination working environment of housing 1.In order to solve the problems, such as leakage pollution, the utility model is turning
Corresponding groove is offered respectively between the second annular oil groove 10 and bearing groove on the inwall of axle 2 and housing 1, at two
It is provided between groove for preventing the sealing ring 13 outside hydraulic fluid leak to housing 1.
In the present embodiment, in the rotating shaft 2 between the adjacent first annular oil groove 6 of any two and the second ring
The seal groove of built-in sealing ring 12, the sealing are offered between one first annular oil groove 6 of shape oil groove 10 and most proximity
Ring 12 is used for the leakage rate for reducing hydraulic oil between the first oilhole 5 and corresponding first annular oil groove 6.
Claims (9)
- A kind of 1. high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group, it is characterised in that：Including sleeve-shaped Housing（1）And rotatably it is set in housing（1）In rotating shaft（2）, the rotating shaft（2）Both ends stretch out housing（1）With Outside, rotating shaft（2）One end be fixed with input flange for connecting pressure balance workover rig rotary power part（3）, the other end is solid Surely there is the output flange for connecting pressure balance workover rig slips group（4）, the housing（1）On be interval with along its length it is more Individual first oilhole（5）, the rotating shaft（2）On along the circumferential direction be provided with and the first oilhole（5）Quantity is identical and corresponds connection First annular oil groove（6）, the output flange（4）It is upper radially spaced to be provided with and first annular oil groove（6）Quantity is identical simultaneously One-to-one first oil duct（7）, the first oil duct（7）Positioned at close to output flange（4）The one end at middle part passes through along its length It is opened in the rotating shaft（2）On the second oil duct（8）With corresponding first annular oil groove（6）It is connected, the first oil duct（7）Positioned at defeated Go out flange（4）The one end at edge is connected with the oil cylinder of slips group.
- 2. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 1, its It is characterised by：First oilhole（5）, first annular oil groove（6）, the first oil duct（7）And second oil duct（8）Quantity be Six, and six independent oil pipe roads are formed, six oil pipe roads correspond to anti-jack slips, load-bearing slips in slips group respectively And rotate the oil-feed path and way to cycle oil of oil cylinder in slips.
- 3. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 1, its It is characterised by：The housing（1）The both ends of inwall are respectively provided with the bearing groove of installation bearing, are respectively arranged with bearing groove Thrust bearing（9）.
- 4. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 3, its It is characterised by：In the rotating shaft（2）It is upper to be located at bearing groove and an immediate first annular oil groove（6）Between offer Second ring oil groove（10）, in housing（1）Be provided with respectively with two the second annular oil grooves（10）The second oilhole for corresponding to and connecting （11）.
- 5. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 4, its It is characterised by：First oilhole（5）With the second oilhole（11）Housing is opened in respectively（1）Upper opposite both sides.
- 6. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 4, its It is characterised by：In the rotating shaft（2）The upper first annular oil groove adjacent positioned at any two（6）Between and the second annular oil groove （10）With a first annular oil groove of most proximity（6）Between offer built-in sealing ring（12）Seal groove, the sealing Ring（12）For reducing by the first oilhole（5）With corresponding first annular oil groove（6）Between hydraulic oil leakage rate；In the rotating shaft （2）And housing（1）Inwall on be located at the second annular oil groove（10）Offer corresponding groove respectively between bearing groove, It is provided between two grooves for preventing hydraulic fluid leak to housing（1）Outside sealing ring（13）.
- 7. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 1, its It is characterised by：First oil duct（7）Positioned at output flange（4）The one end at edge is arranged to screwed hole.
- 8. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 1, its It is characterised by：First oilhole（5）With the second oilhole（11）It is screwed hole.
- 9. a kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group according to claim 1, its It is characterised by：The rotating shaft（2）For hollow type, the input flange（3）And output flange（4）Pass through fixing bolt respectively（14） It is fixed on rotating shaft（2）Both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300250.6U CN206668180U (en) | 2017-03-27 | 2017-03-27 | A kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300250.6U CN206668180U (en) | 2017-03-27 | 2017-03-27 | A kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668180U true CN206668180U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720300250.6U Active CN206668180U (en) | 2017-03-27 | 2017-03-27 | A kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837210A (en) * | 2017-03-27 | 2017-06-13 | 洛阳雷斯达传动有限公司 | A kind of high-pressure rotary seat for pressure balance workover rig slips group rotation fuel feeding |
| CN108317113A (en) * | 2018-04-08 | 2018-07-24 | 四川艾文思创能源科技有限公司 | A kind of Operating Pressure machine |
-
2017
- 2017-03-27 CN CN201720300250.6U patent/CN206668180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837210A (en) * | 2017-03-27 | 2017-06-13 | 洛阳雷斯达传动有限公司 | A kind of high-pressure rotary seat for pressure balance workover rig slips group rotation fuel feeding |
| CN108317113A (en) * | 2018-04-08 | 2018-07-24 | 四川艾文思创能源科技有限公司 | A kind of Operating Pressure machine |
| CN108317113B (en) * | 2018-04-08 | 2024-05-28 | 四川艾文思创能源科技有限公司 | Pressurized working machine |
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