CN109373100A - A kind of hydraulic packer that stroke automatically controls - Google Patents
A kind of hydraulic packer that stroke automatically controls Download PDFInfo
- Publication number
- CN109373100A CN109373100A CN201811472513.7A CN201811472513A CN109373100A CN 109373100 A CN109373100 A CN 109373100A CN 201811472513 A CN201811472513 A CN 201811472513A CN 109373100 A CN109373100 A CN 109373100A
- Authority
- CN
- China
- Prior art keywords
- hydraulic packer
- block head
- piston
- hydraulic
- bolt
- Prior art date
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/105—Closing devices introduced radially into the pipe or hose
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
- F16L55/1125—Plugs fixed by rotating a limited amplitude
Abstract
A kind of hydraulic packer that stroke automatically controls, comprising: hydraulic packer blocks header, sandwich valve and threeway, block head mounting base, block head;It is characterized by: the block head and block head mounting base pass through stud connection;Block head mounting base, threeway, sandwich valve and closure header are fixed by bolts in one;Block head mounting base is connected with the piston-rod lower end of hydraulic packer by bolt, and hydraulic packer lower end is connected by connection bolt with header is blocked;The hydraulic packer includes upper end cover, lower cover, cylinder barrel, retaining ring fixing sleeve, retaining mechanism, magnetostrictive displacement sensor, sensor measurement bar, piston, piston stopper, circlip, sensor shield, non-magnetic screw, position magnet ring, magnetism isolating spacer, sealing ring, wear-resistant guiding band, dustband.Advantage is: realizing hydraulic packer remote control, improves stroke measurment precision, mitigate site operation personnel's working strength, make more convenient operation, improves security reliability.
Description
Technical field
The present invention relates to a kind of pipe plugging constructing device, specifically a kind of hydraulic packer.
Background technique
The closure of pipeline stopping transportation pressure is a kind of dimension repairing special technology of in-service pipeline, and existing plugging device is using with a scale
Cylinder piston rod artificial observation stroke, measurement accuracy is low, and site operation personnel's great work intensity, safety is poor, cannot achieve
Remote control.So urgently a kind of technical method that can solve drawbacks described above and dedicated hydraulic plugging device.
Summary of the invention
The purpose of the present invention is in view of the defects existing in the prior art and insufficient, a kind of easy to operate, practical pipe is provided
The dedicated hydraulic plugging device and working method that road non-stop plugging stroke can be automatically controled.This method is by being installed on hydraulic packer
The magnetostrictive displacement sensor at top realizes remote control, improves stroke measurment precision, and it is strong to mitigate site operation personnel's work
Degree, makes more convenient operation, safety.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of hydraulic packer that stroke automatically controls, comprising: hydraulic packer blocks header, sandwich valve and threeway, block head
Mounting base, block head;The block head is by blocking pipe;The block head and block head mounting base is connected by hinged shaft
It connects;Block head mounting base, threeway, sandwich valve and closure header are fixed on one by bolt A;Block head mounting base and hydraulic envelope
Stifled device piston-rod lower end is connected by bolt B, and (lower end is connected by connection bolt with header is blocked hydraulic packer;Institute
The hydraulic packer stated include upper end cover, lower cover, cylinder barrel, retaining ring fixing sleeve, retaining mechanism, magnetostrictive displacement sensor,
Sensor measurement bar, piston, piston stopper, circlip, sensor shield, non-magnetic screw, position magnet ring, magnetism isolating spacer, sealing ring,
Wear-resistant guiding band, dustband.
The hydraulic packer, end cap is connected with cylinder barrel top by bolt C thereon, and sensor shield passes through bolt
It is connected with upper end cover, piston passes through piston stopper, retaining ring fixing sleeve, circlip and the hydraulic packer piston rod that O-ring is housed
It is fixed together, Yx shape sealing ring A, wear-resistant guiding band A is equipped between piston and cylinder barrel, cylinder barrel lower part passes through bolt D and is equipped with
The retaining ring fixing sleeve of Yx shape sealing ring B, wear-resistant guiding with B and it is connected with equipped with wear-resistant guiding with the lower cover of C, dustband
It connects, forms sealing when hydraulic packer inner piston moves up and down.
The magnetostrictive displacement sensor is installed on the upper end cover at the top of hydraulic packer, and sensor measurement bar is set
In in hydraulic packer piston rod centre bore, hydraulic packer piston rod top end by the fixed position magnet ring of non-magnetic screw and every
Magnetic pad.
The piston is coupled by piston stopper, circlip with hydraulic packer piston rod.
The cylinder barrel top is coupled by bolt C with cylinder barrel upper end cover, cylinder barrel lower part and retaining mechanism and lower cover phase
Even, reversal valve is installed on the outside of cylinder barrel.
The retaining mechanism is installed on hydraulic packer lower part, and retaining mechanism is by retaining ring fixing sleeve, retaining ring
It is constituted with fastening bolt, retaining ring, fixed hydraulic plugging device piston rod is fastened by retaining ring fixing sleeve and fastening bolt.
The magnetostrictive displacement sensor working method is non-contact measuring technology, passes through cable and number
Controller connection realizes that the automatic measurement of hydraulic packer stroke and travel position automatically control.
Compared with the prior art, the present invention has the following beneficial effects:
The hydraulic packer and working method that inventive pipeline non-stop plugging stroke automatically controls, it is flexible using contactless mangneto
Displacement sensor realizes hydraulic packer remote control, improves stroke measurment precision, mitigates site operation personnel's working strength,
Make more convenient operation, improves security reliability.
Detailed description of the invention
Fig. 1 is the application state schematic diagram of the hydraulic packer that a kind of stroke of the invention automatically controls and working method;
Fig. 2 is the A-A structure sectional view of Fig. 1;
Fig. 3 is the partial enlarged view I of Fig. 2;
Fig. 4 is the B-B structure sectional view of Fig. 2;
In figure: 1. block heads, 2. by blocking pipe, and 3. threeways, 4. block head mounting bases, 5. sandwich valves, 6. bolt Bs, 7. is hydraulic
Plugging device piston rod, 8. closure headers, 9. connection bolts, 10. hydraulic packers, 11. reversal valves, 12. bolt A, 13. mangnetos are stretched
Condense displacement sensor, 14. sensor shields, 15. non-magnetic screws, 16. position magnet rings, 17. magnetism isolating spacers, 18. sensor measurements
Bar, 19. cylinder barrels, 20.Yx shape sealing ring B, 21. wear-resistant guidings band B, 22. retaining ring fixing sleeves, 23. wear-resistant guidings band C, 24. is anti-
Konisphere, 25. lower covers, 26. bolt D, 27.O shape circles, 28. pistons, 29.Yx shape sealing ring A, 30. wear-resistant guidings band A, 31. is living
Fill in retaining ring, 32. retaining ring fixing sleeves, 33. circlips, 34. upper end covers, 35. bolt C, 36. retaining rings, 37 fastening bolts.
Specific embodiment
With reference to the accompanying drawing, the embodiment that the present invention will be described in detail.
It is as shown in the figure: a kind of hydraulic packer that stroke automatically controls, comprising: hydraulic packer 10 blocks header 8, folder
Plate valve 5 and threeway 3, block head mounting base 4, block head 1;The block head 1 is by blocking pipe 2;The block head 1
Pass through stud connection with block head mounting base 4;Block head mounting base 4, threeway 3, sandwich valve 5 and closure header 8 pass through bolt A12
It is fixed on one;Block head mounting base 4 is connected with 7 lower end of hydraulic packer piston rod by bolt B 6, hydraulic packer 10
Lower end is connected by connection bolt 9 with header 8 is blocked;The hydraulic packer 10 includes upper end cover 34, lower cover 25, cylinder
Cylinder 19, retaining ring fixing sleeve 32, retaining mechanism, magnetostrictive displacement sensor 13, sensor measurement bar 18, piston 28, piston gear
Circle 31, circlip 33, sensor shield 14, non-magnetic screw 15, position magnet ring 16, magnetism isolating spacer 17, sealing ring, wear-resistant guiding band,
Dustband 24.
The hydraulic packer 10, end cap 34 is connected with 19 top of cylinder barrel by bolt C35 thereon, sensor shield
14 are connected by bolt with upper end cover 34, and piston 28 is by piston stopper 31, retaining ring fixing sleeve 32, circlip 33 and O shape is housed
The hydraulic packer piston rod 7 of circle 27 is fixed together, and Yx shape sealing ring A29 is equipped between piston 28 and cylinder barrel 19, wear-resisting is led
To band A30,19 lower part of cylinder barrel is by bolt D26 and the retaining ring fixing sleeve of Yx shape sealing ring B20, wear-resistant guiding with B21 is housed
22 and it is connected with equipped with wear-resistant guiding with the lower cover 25 of C23, dustband 24, formation 10 about 28 inner piston of hydraulic packer
Sealing when mobile.
The magnetostrictive displacement sensor 13 is installed on the upper end cover 34 at 10 top of hydraulic packer, and sensor is surveyed
Gauge rod 18 is placed in 7 centre bore of hydraulic packer piston rod, and 7 top of hydraulic packer piston rod is fixed by non-magnetic screw 15
Position magnet ring 16 and magnetism isolating spacer 17.
The piston 28 is coupled by piston stopper 31, circlip 33 with hydraulic packer piston rod 7.
19 top of cylinder barrel is coupled with cylinder barrel upper end cover 34 by bolt C35,19 lower part of cylinder barrel and retaining mechanism and
Lower cover 25 is connected, and reversal valve 11 is installed on the outside of cylinder barrel 19.
The retaining mechanism is installed on 10 lower part of hydraulic packer, and retaining mechanism is by retaining ring fixing sleeve 22, lock
Tight ring 36 and fastening bolt 37 are constituted, and fasten retaining ring by retaining ring fixing sleeve 22 and fastening bolt 37, fixed hydraulic blocks
Device piston rod 7.
13 working method of the magnetostrictive displacement sensor is non-contact measuring technology, passes through cable and number
The connection of word controller realizes that the automatic measurement of 10 stroke of hydraulic packer and travel position automatically control.
Hydraulic packer piston is mounted on the position magnet ring of piston rod top end along sensor measurement bar when moving in cylinder barrel
It is mobile, generate real-time output signal of displacement.
4 bottom end of block head mounting base is extremely when calculating (measurement) 1 initial makeup location of block head before pipe pressurized closure operation
By the distance H of 2 lower inner wall of blocking pipe, stroke length when block head 1 reaches operating position is determined;Pass through external number control
Device setting H value processed realizes the automatic measurement and positioning of stroke when hydraulic packer 10 works;Commutation is operated when non-stop plugging operation
11 hydraulic packer of valve, 10 hydraulic packer piston rod 7 moves down, and pushes block head mounting base 4 and block head 1 to bottom offset;
After block head mounting base 4 and block head 1 reach setting position, pass through the 36 fixed hydraulic plugging device piston of retaining ring of retaining mechanism
Bar 7 prevents 1 position of block head mobile;After the completion of non-stop plugging operation, 7 locking function of hydraulic packer piston rod, operation are released
11 hydraulic packer of reversal valve, 10 hydraulic packer piston rod 7, which moves up, drives block head mounting base 4 and 1 return of block head.
When hydraulic packer 10 works, the hydraulic oil that manipulation reversal valve 11 provides external power supply enters liquid through hydraulic fluid port A
Press the upper seal chamber of 10 piston 28 of plugging device, push piston 28, hydraulic packer piston rod 7 and position magnet ring 16 along measuring rod to
Lower movement, generates real-time output signal of displacement, is coupled by cable with external digitial controller, realizes 10 liquid of hydraulic packer
The automatic measurement and travel position for pressing 7 stroke of plugging device piston rod automatically control;Block head mounting base 4 and block head 1 are to bottom
Journey H value is migrated to set by digitial controller, after block head mounting base 4 and the displacement arrival downwards of block head 1 operating position, manipulation
11 hydraulic packer 10 of reversal valve stops working;It is blocked by adjusting retaining mechanism fastening bolt 37 and 36 fixed hydraulic of retaining ring
Device piston rod 7 prevents 1 position of block head mobile;Block operation keeps hydraulic packer living by adjusting fastening bolt 37 after the completion
Stopper rod 7 unlocks, and the hydraulic oil that manipulation 11 external power supply of reversal valve provides enters the lower seal chamber of piston 28 through hydraulic fluid port B, pushes
Piston 28 and hydraulic packer piston rod 7 move up, and block head mounting base 4 and block head 1 is driven to return to initialization position.
Example described above, only one kind of the present invention more preferably specific embodiment, those skilled in the art
The usual variations and alternatives carried out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (7)
1. the hydraulic packer that a kind of stroke automatically controls, comprising: hydraulic packer (10) blocks header (8), sandwich valve (5)
And threeway (3), block head mounting base (4), block head (1);It is characterized by: the block head (1) is by blocking pipe (2)
It is interior;The block head (1) and block head mounting base (4) passes through stud connection;Block head mounting base (4), threeway (3), clamping plate
Valve (5) and closure header (8) pass through bolt A (12) and are fixed on one;Block head mounting base (4) and hydraulic packer piston rod
(7) lower end is connected by bolt B (6), and hydraulic packer (10) lower end is connected by connection bolt (9) with header (8) are blocked
It connects;The hydraulic packer (10) includes upper end cover (34), lower cover (25), cylinder barrel (19), retaining ring fixing sleeve (32), locking
Mechanism, magnetostrictive displacement sensor (13), sensor measurement bar (18), piston (28), piston stopper (31), circlip (33),
It is sensor shield (14), non-magnetic screw (15), position magnet ring (16), magnetism isolating spacer (17), sealing ring, wear-resistant guiding band, dust-proof
It encloses (24).
2. the hydraulic packer that a kind of stroke according to claim 1 automatically controls, it is characterised in that: the hydraulic envelope
Stifled device (10), end cap (34) is connected with cylinder barrel (19) top by bolt C (35) thereon, and sensor shield (14) passes through bolt
It is connected with upper end cover (34), piston (28) is by piston stopper (31), retaining ring fixing sleeve (32), circlip (33) and O shape is housed
The hydraulic packer piston rod (7) of circle (27) is fixed together, and Yx shape sealing ring A is equipped between piston (28) and cylinder barrel (19)
(29), wear-resistant guiding band A (30), cylinder barrel (19) lower part is by bolt D (26) and Yx shape sealing ring B (20), wear-resistant guiding are housed
Retaining ring fixing sleeve (22) with B (21) and it is connected with equipped with wear-resistant guiding with the lower cover (25) of C (23), dustband (24)
It connects, forms sealing when hydraulic packer (10) inner piston (28) move up and down.
3. the hydraulic packer that a kind of stroke according to claim 1 automatically controls, it is characterised in that: the mangneto is stretched
On the upper end cover (34) that the displacement sensor (13) that condenses is installed at the top of hydraulic packer (10), sensor measurement bar (18) is placed in liquid
It presses in plugging device piston rod (7) centre bore, hydraulic packer piston rod (7) top passes through non-magnetic screw (15) fixed position magnetic
Ring (16) and magnetism isolating spacer (17).
4. the hydraulic packer that a kind of stroke according to claim 1 automatically controls, it is characterised in that: the piston
(28) coupled by piston stopper (31), circlip (33) with hydraulic packer piston rod (7).
5. the hydraulic packer that a kind of stroke according to claim 1 automatically controls, it is characterised in that: the cylinder barrel
(19) top is coupled by bolt C (35) with cylinder barrel upper end cover (34), cylinder barrel (19) lower part and retaining mechanism and lower cover (25)
It is connected, reversal valve (11) is installed on the outside of cylinder barrel (19).
6. the hydraulic packer that a kind of stroke according to claim 1 automatically controls, it is characterised in that: the lock
Tight mechanism is installed on hydraulic packer (10) lower part, and retaining mechanism is by retaining ring fixing sleeve (22), retaining ring (36) and fastening spiral shell
Bolt (37) is constituted, and fastens retaining ring, fixed hydraulic plugging device piston rod by retaining ring fixing sleeve (22) and fastening bolt (37)
(7)。
7. the hydraulic packer that a kind of stroke according to claim 1 automatically controls, it is characterised in that: the magnetic
Cause telescopic displacement sensor (13) working method is non-contact measuring technology, is coupled by cable with digitial controller, is realized
The automatic measurement and travel position of hydraulic packer (10) stroke automatically control.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811472513.7A CN109373100A (en) | 2018-12-04 | 2018-12-04 | A kind of hydraulic packer that stroke automatically controls |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811472513.7A CN109373100A (en) | 2018-12-04 | 2018-12-04 | A kind of hydraulic packer that stroke automatically controls |
Publications (1)
Publication Number | Publication Date |
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CN109373100A true CN109373100A (en) | 2019-02-22 |
Family
ID=65376494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811472513.7A Pending CN109373100A (en) | 2018-12-04 | 2018-12-04 | A kind of hydraulic packer that stroke automatically controls |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111520567A (en) * | 2020-06-02 | 2020-08-11 | 广东安格尔橡塑科技有限公司 | Portable inflatable detection pipeline sealing device and detection method thereof |
Citations (5)
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CN101858472A (en) * | 2010-04-27 | 2010-10-13 | 新疆三叶管道技术有限责任公司 | Pressure-meeting equalizer-free stopper |
CN204005012U (en) * | 2014-08-01 | 2014-12-10 | 台州市金焰机械设备有限公司 | A kind of pipeline device |
CN104595282A (en) * | 2015-01-27 | 2015-05-06 | 中煤科工集团重庆研究院有限公司 | Hydraulic cylinder internally provided with magnetostrictive displacement sensor |
CN107676568A (en) * | 2017-12-06 | 2018-02-09 | 中石化石油工程技术服务有限公司 | A kind of on-line production pipeline internal hydraulic pressure plugging device and its application method |
CN209180570U (en) * | 2018-12-04 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of hydraulic packer that stroke automatically controls |
-
2018
- 2018-12-04 CN CN201811472513.7A patent/CN109373100A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101858472A (en) * | 2010-04-27 | 2010-10-13 | 新疆三叶管道技术有限责任公司 | Pressure-meeting equalizer-free stopper |
CN204005012U (en) * | 2014-08-01 | 2014-12-10 | 台州市金焰机械设备有限公司 | A kind of pipeline device |
CN104595282A (en) * | 2015-01-27 | 2015-05-06 | 中煤科工集团重庆研究院有限公司 | Hydraulic cylinder internally provided with magnetostrictive displacement sensor |
CN107676568A (en) * | 2017-12-06 | 2018-02-09 | 中石化石油工程技术服务有限公司 | A kind of on-line production pipeline internal hydraulic pressure plugging device and its application method |
CN209180570U (en) * | 2018-12-04 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of hydraulic packer that stroke automatically controls |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111520567A (en) * | 2020-06-02 | 2020-08-11 | 广东安格尔橡塑科技有限公司 | Portable inflatable detection pipeline sealing device and detection method thereof |
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