CN109854851A - A kind of hydraulic quick connecting device suitable for high pressure pipe joint - Google Patents
A kind of hydraulic quick connecting device suitable for high pressure pipe joint Download PDFInfo
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- CN109854851A CN109854851A CN201910058511.1A CN201910058511A CN109854851A CN 109854851 A CN109854851 A CN 109854851A CN 201910058511 A CN201910058511 A CN 201910058511A CN 109854851 A CN109854851 A CN 109854851A
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- piston rod
- female connector
- piston cylinder
- high pressure
- piston
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of hydraulic quick connecting device suitable for high pressure pipe joint, including female connector, female connector one end connection external connector a, other end nested encryptions have pin end, and the other end of pin end connects external connector b；Four through-holes are uniformly provided on the side wall of female connector, piston cylinder is fixed on female connector above each through-hole of face, cross piston rod is provided in piston cylinder, the lower end of piston rod is socketed with a sealing baffle, between sealing baffle and piston rod formed a closure hydraulic cavities, towards be closed hydraulic cavities piston cylinder on offer an oil inlet；One end of piston rod towards pin end is fixed with the closing piece adaptable with shape of through holes, size, and closing piece is for locking pin end；The upper section of piston rod is also arranged with a locking spring.High degree of automation of the present invention and can be realized Fast Installation disassembly, the device is easy for installation, high degree of automation, reduces the labor intensity of worker, improves operating efficiency.
Description
Technical field
The invention belongs to petroleum gas drilling and extracting equipment technical fields, are related to a kind of suitable for the hydraulic quick of high pressure pipe joint
Attachment device.
Background technique
High pressure pipe joint system bears the pressure of 35MPa or more, conveys different work fluid media (medium), is widely used in oil gas
Drilling industry, especially with shale oil, the rise of shale gas exploitation, the maturation of oil gas fracturing technique, further expansion height
Pressure pipe remittance systematic difference market.The connection of high pressure pipe joint at present mostly uses union or flange form to connect, installing and dismounting process
In need manually to operate, the degree of automation is low, and time-consuming, low efficiency, very inconvenient.An emergency situation is encountered can not be fast
Speed separation, there are great security risks.In order to improve high pressure pipe joint installing and dismounting efficiency, important operating equipment is protected, is avoided
It is very necessary to research and develop a kind of quick connection separator suitable for high pressure pipe joint for personnel and property loss.
Summary of the invention
The object of the present invention is to provide and a kind of hydraulic quick connecting device suitable for high pressure pipe joint, the device use liquid
Voltage-controlled system can be realized the quick connection between high pressure pipe joint, and in case of emergency realize quick separating, easy to operate,
Securely and reliably.
The technical scheme adopted by the invention is that a kind of hydraulic quick connecting device suitable for high pressure pipe joint, including mother
Connector, female connector one end is connected with external connector a, the other end is equipped with cylindrical grooves inwardly, and groove, which is nested with, is connected with public affairs
Connector, the other end of pin end are connected with external connector b；Four through-holes, each through-hole are uniformly provided on the side wall of female connector
Positioned at same periphery, a raised piston cylinder, setting in piston cylinder are fixed on the female connector above each through-hole of face
Have a cross piston rod, the lower section of piston rod is socketed with a sealing baffle, be extended down to outside sealing baffle female connector outer surface,
Sandwiched is fixed between female connector and piston cylinder, and a closure hydraulic cavities are formed between sealing baffle and piston rod, leads to closure
An oil inlet is offered on the piston cylinder of hydraulic cavities；
Piston rod one end is outwardly, the direction of the other end towards pin end is fixedly connected with and shape of through holes, size are adapted
Closing piece, the lower surface of closing piece is raised tooth form, and pin end outer surface is provided with to be meshed with closing piece lower surface protrusion tooth form
Lock tooth socket；
The upper section of piston rod is also arranged with a locking spring, and locking spring one end is fixed on the top plate inner surface of piston cylinder,
The other end is fixed on the horizontal segment upper surface of cross piston rod, and horizontal segment is close to the inner surface of cylinder block activity of piston cylinder.
Two circle sealed groove of setting, each sealed groove are interior filled with close on the outer circumference surface that pin end is contacted with female connector
Seal a.
Interior hollow toroid guidance tape is additionally provided on the outer circumference surface that pin end is contacted with female connector, annular guidance tape is distributed in
The two sides of two sealing ring a.
The features of the present invention also characterized in that
It is equipped with a circle sealing ring b at the inner ring of sealing baffle contact piston bar, guarantees the air-tightness of closure hydraulic cavities.
Piston cylinder and sealing baffle are fastened on female connector by fastening bolt.
The position of piston cylinder contact piston bar is equipped with a circle O-ring seal a；Piston rod horizontal segment contact piston cylinder inner surface
Place is embedded with a circle O-ring seal b；The contact surface of piston cylinder and sealing baffle is equipped with a circle O-ring seal c.
The invention has the advantages that a kind of hydraulic quick connecting device suitable for high pressure pipe joint of the present invention automates journey
Degree is high and can be realized the hydraulic quick connecting device of Fast Installation disassembly, and the device is easy for installation, high degree of automation, reduces
The labor intensity of worker, improves operating efficiency.Disassembly quickly, in case of emergency realizes that important equipment and personnel's is quick
It withdraws, maximum support personnel's safety protects important operating equipment.
The present invention has the characteristics that following:
1. two pass combination sealing, is able to bear high pressure, sealing is safe and reliable.Both ends have guidance tape, and centering is wanted when installation
Ask low, it is quick and easy for installation.Guidance tape has the function of righting and clean seal face.
2. using trapezium structure form tooth form and locked groove locking mode, pin end internal pressure effect under almost only
Axial force is generated, closing piece automatic unlocking under internal pressure effect is prevented, guarantees operation safety.
3. hydraulic unlock is used, it is simple and fast, securely and reliably.Using spring self-lock, prevent closing piece in self gravity or vibration
Automatic unlocking during dynamic, while without to keep locking and Operating Pressure, reduce energy consumption.
Detailed description of the invention
Fig. 1 is a kind of main sectional view of the hydraulic quick connecting device suitable for high pressure pipe joint of the present invention；
Along piston axial direction when Fig. 2 is a kind of hydraulic quick connecting device locking state suitable for high pressure pipe joint of the invention
Cross-sectional view；
Along piston axial direction when Fig. 3 is a kind of hydraulic quick connecting device unlocked state suitable for high pressure pipe joint of the invention
Cross-sectional view；
Fig. 4 is a kind of piston cylinder connection structure signal of hydraulic quick connecting device suitable for high pressure pipe joint of the present invention
Figure.
In figure: 1. external connector a, 2. female connectors, 3. piston cylinders, 4. piston rods, 5. locking springs, 6. sealing baffles, 7.
Closing piece, 8. pin ends, 9. external connector b, 10. guidance tapes, 11. sealing ring a, 14.O shape sealing ring a, 15.O shape sealing ring b,
16.O shape sealing ring c, 17. sealing ring b, 18. clamping bolts, 19. oil inlets.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of hydraulic quick connecting device suitable for high pressure pipe joint, structure is as shown in Figure 1, include female connector 2, female connector
2 one end are connected with external connector a1, the other end is equipped with cylindrical grooves inwardly, and groove, which is nested with, is connected with pin end 8, public access
First 8 other end is connected with external connector b9；Four through-holes are uniformly provided on the side wall of female connector 2, each through-hole is located at same
One periphery is fixed with a raised piston cylinder 3 on the female connector above each through-hole of face, is provided with ten in piston cylinder 3
The piston rod 4 of font, the lower section of piston rod 4 are arranged with a sealing baffle 6, the appearance of female connector 2 are extended down to outside sealing baffle 6
Face, sandwiched are fixed between female connector 2 and piston cylinder 3, a closure hydraulic cavities are formed between sealing baffle 6 and piston rod 4, such as
Shown in Fig. 4, towards closure hydraulic cavities piston cylinder 3 on offer an oil inlet 19；
Pin end 8, which is inserted into the inner groovy of female connector 2, forms embedded connection.
4 one end of piston rod is outwardly, the direction of the other end towards pin end 8 is fixedly connected with and mutually fits with shape of through holes, size
The closing piece 7 answered, the lower surface of closing piece 7 are raised tooth form, and 8 outer surface of pin end is provided with and 7 lower surface protrusion tooth form phase of closing piece
The locking tooth socket of engagement；
The upper section of piston rod 4 is also arranged with a locking spring 5, and 5 one end of locking spring is fixed on table in the top plate of piston cylinder 3
Face, the other end are fixed on the horizontal segment upper surface of cross piston rod 4, and the inner surface of cylinder block activity of horizontal segment and piston cylinder 3 is tight
Patch.
Sealed groove is enclosed in setting two on the outer circumference surface that pin end 8 is contacted with female connector 2, is filled in each sealed groove
Sealing ring a11.
Interior hollow toroid guidance tape 10, annular guidance tape 10 are additionally provided on the outer circumference surface that pin end 8 is contacted with female connector 2
It is distributed in the two sides of two sealing ring a11.
To fit closely state between sealing baffle 6 and piston rod 4, set at the inner ring of 6 contact piston bar of sealing baffle
A circle sealing ring b17 is set, ensure that the air-tightness of closure hydraulic cavities.
Piston cylinder 3 and sealing baffle 6 are fastened on female connector 2 by fastening bolt 18.
The main function of guidance tape 10 is righting guiding and cleaning protection sealing surface, under normal circumstances, two sealing rings 11
One inside female connector is used as primary seal, another ensures the safety of operations involving high pressure as auxiliary seal, dual-seal.
A kind of hydraulic quick connecting device suitable for high pressure pipe joint of the invention, the course of work are as follows:
When needing to connect locking (filled with hydraulic oil in closure hydraulic cavities before locking), pin end 8 is entered in female connector, gently
Push piston bar 4 slowly sheds hydraulic (hydraulic oil is pushed out closure hydraulic cavities) in hydraulic cavities, under the action of locking spring 5
Closing piece 7 is stretched out with piston rod 4, is locked with the locking tooth socket of pin end 8, realizes the connection locking between high pressure pipe joint.
When connection locking state needs to unlock, it is filled with by the oil inlet 19 on piston cylinder 3 into closure hydraulic cavities
Hydraulic oil, hydraulic oil push piston rod 4 to retreat the simultaneously locking spring 5 between compression piston cylinder 3 and piston rod 4, and piston rod 4 retreats
It drives closing piece 7 to retract in the process, then will be separated at pin end 8 and the clamping of female connector 2, extract pin end 8 out；
As shown in Fig. 2, the cross-sectional view under locking state along 4 piston rod central axes is connected for it.Under the state, locking
Tight spring 5 restores elastic deformation, and realization is self-locking, prevents closing piece 7 from automatically opening under gravity or other external forces, ensures operation
Safety.
When unlock disconnects, hydraulic oil is filled with into piston cylinder 3, hydraulic oil pushes piston 4 to retreat and compresses locking spring 5,
Piston rod 4 drives closing piece 7 to retract, and at this time extracts pin end 8, realizes the separation unlock between high pressure pipe joint.
As shown in Fig. 3, the cross-sectional view under off-state along 44 central axes of piston rod is unlocked for it.It is realized under the state
Unlock, locking spring 5 are compressed, and piston rod 4, which is displaced outwardly, drives closing piece 7 to separate with the locked groove of pin end 8, realize hydraulic solution
Lock.
Claims (6)
1. a kind of hydraulic quick connecting device suitable for high pressure pipe joint, it is characterised in that: including female connector (2), the mother is connect
Head (2) one end is connected with external connector a (1), the other end is equipped with cylindrical grooves inwardly, and the groove, which is nested with, is connected with public affairs
The other end of connector (8), the pin end (8) is connected with external connector b (9)；It is uniformly opened up on the side wall of the female connector (2)
There are four through-hole, each through-hole is located at same periphery, be fixed on the female connector above each through-hole of face one it is convex
The piston cylinder (3) risen, the piston cylinder (3) is interior to be provided with cross piston rod (4), and the lower section of the piston rod (4) is arranged
There is a sealing baffle (6), the sealing baffle (6) extends the outer surface of the female connector (2) outside, sandwiched is fixed on female connector
(2) between piston cylinder (3), a closure hydraulic cavities are formed between the sealing baffle (6) and piston rod (4), are led to described
It is closed on the piston cylinder (3) of hydraulic cavities and offers an oil inlet (19)；
Described piston rod (4) one end outwardly, the direction of the other end towards pin end (8) be fixedly connected with the shape of through holes,
The adaptable closing piece (7) of size, the lower surface of the closing piece (7) are raised tooth form, pin end (8) outer surface be provided with
The locking tooth socket that closing piece (7) lower surface protrusion tooth form is meshed；
The upper section of the piston rod (4) is also arranged with a locking spring (5), and described locking spring (5) one end is fixed on piston cylinder
(3) top plate inner surface, the other end are fixed on the horizontal segment upper surface of cross piston rod (4), the horizontal segment and piston cylinder
(3) inner surface of cylinder block activity is close to.
2. a kind of hydraulic quick connecting device suitable for high pressure pipe joint according to claim 1, it is characterised in that: described
Sealed groove is enclosed in setting two on the outer circumference surface that pin end (8) is contacted with female connector (2), is filled in each sealed groove
Sealing ring a (11).
3. a kind of hydraulic quick connecting device suitable for high pressure pipe joint according to claim 2, it is characterised in that: described
Interior hollow toroid guidance tape (10), the annular guidance tape are additionally provided on the outer circumference surface that pin end (8) is contacted with female connector (2)
(10) two sides of two sealing ring a (11) are distributed in.
4. a kind of hydraulic quick connecting device suitable for high pressure pipe joint according to claim 1, it is characterised in that: described
It is equipped with circle sealing ring b (17) at the inner ring of sealing baffle (6) contact piston bar, guarantees the air-tightness of the closure hydraulic cavities.
5. a kind of hydraulic quick connecting device suitable for high pressure pipe joint according to claim 1, it is characterised in that: described
Piston cylinder (3) and sealing baffle (6) are fastened on female connector (2) by fastening bolt (18).
6. a kind of hydraulic quick connecting device suitable for high pressure pipe joint according to claim 1, it is characterised in that: described
The position of piston cylinder (3) contact piston bar (4) is equipped with circle O-ring seal a (14)；Piston rod (4) the horizontal segment contact is lived
A circle O-ring seal b (15) is embedded at plug cylinder inner surface；The piston cylinder (3) and the contact surface of sealing baffle (6) are equipped with
One circle O-ring seal c (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058511.1A CN109854851A (en) | 2019-01-22 | 2019-01-22 | A kind of hydraulic quick connecting device suitable for high pressure pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058511.1A CN109854851A (en) | 2019-01-22 | 2019-01-22 | A kind of hydraulic quick connecting device suitable for high pressure pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109854851A true CN109854851A (en) | 2019-06-07 |
Family
ID=66895526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910058511.1A Pending CN109854851A (en) | 2019-01-22 | 2019-01-22 | A kind of hydraulic quick connecting device suitable for high pressure pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854851A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709877A (en) * | 2020-11-24 | 2021-04-27 | 武汉船舶设计研究院有限公司 | Underwater hose plug-pull connecting device suitable for deep sea mining |
| CN114856523A (en) * | 2022-06-17 | 2022-08-05 | 盐城市崇达石化机械有限公司 | Double-discharge high-pressure manifold for fracturing |
| CN115589880A (en) * | 2021-07-09 | 2023-01-13 | 北京中农绿源智慧农业有限公司（Cn） | Double-stage deceleration and automatic separation all-in-one machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047551A (en) * | 2014-06-30 | 2014-09-17 | 江苏信得石油机械股份有限公司 | Novel flange quick locking device |
| CN204533915U (en) * | 2015-01-23 | 2015-08-05 | 鞍钢股份有限公司 | Fluid pipeline sealing connection device |
| CN105569593A (en) * | 2015-12-23 | 2016-05-11 | 宝鸡石油机械有限责任公司 | Secondary locking device used for underwater oil gas drilling and production equipment |
| CN205896512U (en) * | 2016-07-21 | 2017-01-18 | 山东德立信液压有限公司 | Central swivel joint is used to excavator |
| CN206419603U (en) * | 2017-01-12 | 2017-08-18 | 卢秉威 | Single-unit Complicator for bidirectional sleeve |
-
2019
- 2019-01-22 CN CN201910058511.1A patent/CN109854851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047551A (en) * | 2014-06-30 | 2014-09-17 | 江苏信得石油机械股份有限公司 | Novel flange quick locking device |
| CN204533915U (en) * | 2015-01-23 | 2015-08-05 | 鞍钢股份有限公司 | Fluid pipeline sealing connection device |
| CN105569593A (en) * | 2015-12-23 | 2016-05-11 | 宝鸡石油机械有限责任公司 | Secondary locking device used for underwater oil gas drilling and production equipment |
| CN205896512U (en) * | 2016-07-21 | 2017-01-18 | 山东德立信液压有限公司 | Central swivel joint is used to excavator |
| CN206419603U (en) * | 2017-01-12 | 2017-08-18 | 卢秉威 | Single-unit Complicator for bidirectional sleeve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709877A (en) * | 2020-11-24 | 2021-04-27 | 武汉船舶设计研究院有限公司 | Underwater hose plug-pull connecting device suitable for deep sea mining |
| CN115589880A (en) * | 2021-07-09 | 2023-01-13 | 北京中农绿源智慧农业有限公司（Cn） | Double-stage deceleration and automatic separation all-in-one machine |
| CN114856523A (en) * | 2022-06-17 | 2022-08-05 | 盐城市崇达石化机械有限公司 | Double-discharge high-pressure manifold for fracturing |
| CN114856523B (en) * | 2022-06-17 | 2023-05-16 | 盐城市崇达石化机械有限公司 | Double-outlet high-pressure manifold for fracturing |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200927 Address after: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant after: Baoji Oilfield Machinery Co.,Ltd. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant before: Baoji Oilfield Machinery Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |