CN102818055A - Automatic block valve - Google Patents

Automatic block valve Download PDF

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Publication number
CN102818055A
CN102818055A CN201210332694XA CN201210332694A CN102818055A CN 102818055 A CN102818055 A CN 102818055A CN 201210332694X A CN201210332694X A CN 201210332694XA CN 201210332694 A CN201210332694 A CN 201210332694A CN 102818055 A CN102818055 A CN 102818055A
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CN
China
Prior art keywords
valve
automatic block
dish spring
valve body
lifting device
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Application number
CN201210332694XA
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Chinese (zh)
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CN102818055B (en
Inventor
袁长友
宋花平
何建设
屈海利
王长富
于海青
刘德东
孙海
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Institute of Military New Energy Technology, Institute of Systems Engineering, Academy of Military Sciences
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Oil Research Institute of General Logistic Department of PLA
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Priority to CN201210332694XA priority Critical patent/CN102818055B/en
Publication of CN102818055A publication Critical patent/CN102818055A/en
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Publication of CN102818055B publication Critical patent/CN102818055B/en
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Abstract

The invention relates to an automatic block valve which comprises a valve body, a valve cover, an inlet bell end and an outlet bell end, wherein the inlet bell end and the outlet bell end are positioned at two ends of the valve body. A blocking device is arranged in the valve body, a lifting device is positioned above the valve cover, the blocking device is connected with the lifting device through a valve rod, a hollow valve seat is positioned below the valve body and communicated with the inlet bell end, and the bottom surface of the blocking device is buckled with the valve seat. An oil hole is positioned at the position of the outlet bell end, penetrates through a pipeline and is communicated with an oil cylinder through a stop valve. A piston rod of the oil cylinder is connected with a control part of the lifting device. The automatic block valve not only is simple and convenient to operate, but also can be closed timely when accidental breakage of a pipeline occurs, energy is saved, and accidents can be avoided simultaneously.

Description

Automatic block valve
Technical field
The present invention relates to a kind of automatic block valve, be used for field oil pipe-line, can be in the oil transportation process pipeline accident take off and in time close automatically when disconnected, prevent outer spray.
Background technique
Along with the continuous progress of society, fluid line, especially oil transport pipeline are more and more, and long oil transport pipeline has solved the problem of the remote transportation oil in area of oily scarcity of resources, manpower, material and the financial resources of having saved course of conveying greatly.But the shortcoming of oil transport pipeline is to cause easily to sew, in case sew, not only causes a large amount of wastes, and can cause pollution in the neighbourhood, even contingency such as blast, causes the economic loss that can't retrieve.
Summary of the invention
The technical problem that the present invention will solve provides a kind of automatic block valve, and this automatic block valve is not only easy and simple to handle, and can when unexpected fracture appears in pipeline, in time close, and when having saved the energy, prevents the generation of contingency.
For overcoming the above problems; Concrete technological scheme of the present invention is following: a kind of automatic block valve comprises the turnover bellmouth at valve body, valve gap, valve body two ends in valve body, being provided with cutting device; Above valve gap, be provided with lifting device, be connected through valve rod between cutting device and the lifting device; Below valve body, be provided with the valve seat of hollow, the valve seat of hollow communicates with the turnover bellmouth, and the bottom surface of cutting device and valve seat fasten; Be provided with oilhole going out socket, oilhole communicates with oil cylinder through stop valve through pipeline, and the piston rod of oil cylinder links to each other with the control section of lifting device.
Described cutting device structure does, is provided with the pilot seal cover at the inwall of valve body, and pilot seal puts and is provided with and passes in and out the hole that bellmouth communicates, and airtight cooperation of inner circumference of flap and pilot seal cover, the bottom of valve rod is threaded with the upper end of flap.
The structure of described lifting device does, flexibly connects medium-height trestle in the valve gap upper end, is provided with gland nut in the medium-height trestle, and the valve rod in the below cavity of gland nut is provided with the dish spring; Above gland nut, be provided with lifting arm in the cavity; Lifting arm is connected with valve handle activity, and the lower end surface of lifting arm formation convex shoulder, and claw contacts with convex shoulder; This claw is the control section of lifting device, and the other end of claw is connected with the piston rod of oil cylinder through driving link.
The lower end surface of described valve gap is provided with the buffering cavity, and the lower end of cavity connects cushion plugs for the buffering capping on valve rod, and cushion plugs is positioned at this buffer cavity.
The middle part excircle of described valve rod is provided with cover in the dish spring, and the excircle of cover is provided with the dish spring in the dish spring.Dish spring one end contacts with the lower surface of gland nut, and the other end contacts with the convex edge of cover in the dish spring.
The coaxial lifting silk braid that is provided with of the outer wall of described lifting arm, the excircle that promotes silk braid is threaded with Stem Mut, on Stem Mut, is provided with handwheel; Top at lifting arm connects enhancing ring, and the bottom surface of enhancing ring overlaps with the upper-end surface that promotes silk braid.
This automatic block valve adopts lifting device that oil circuit is opened, and through going out the oil pressure control lifting device of bellmouth, when going out the reduction of bellmouth oil pressure, lifting device descends, and drives cutting device oil circuit is closed.
Description of drawings
Fig. 1 is the structural representation of automatic block valve.
Fig. 2 is the upper end application drawing of automatic block valve.
Embodiment
As shown in Figure 1; A kind of automatic block valve comprises it is characterized in that the turnover bellmouth at valve body 1, valve gap 7, valve body 1 two ends: in valve body 1, be provided with cutting device; Above valve gap 7, be provided with lifting device, be connected through valve rod 10 between cutting device and the lifting device; Below valve body 1, be provided with the valve seat 2 of hollow, the valve seat 2 of hollow communicates with the turnover bellmouth, and the bottom surface of cutting device and valve seat 2 fasten; Be provided with oilhole 21 going out socket, oilhole 21 communicates with oil cylinder 19 through stop valve 20 through pipeline, and the piston rod of oil cylinder 19 links to each other with the control section of lifting device.
Described cutting device structure does, is provided with pilot seal cover 4 at the inwall of valve body 1, and pilot seal cover 4 is provided with and passes in and out the hole that bellmouth communicates, and flap 3 and pilot seal overlap for 4 airtight cooperation of inner circumference, and the bottom of valve rod 10 is threaded with the upper end of flap 3.
The structure of described lifting device does, flexibly connects medium-height trestle 9 in valve gap 7 upper ends, is provided with gland nut 12 in the medium-height trestle, and the valve rod 10 in the below cavity of gland nut 12 is provided with dish spring 11; Above gland nut 12, be provided with lifting arm 14 in the cavity; Lifting arm 14 flexibly connects with valve rod 10; And the lower end surface of lifting arm 14 forms convex shoulder; Claw 13 contacts with convex shoulder, and this claw 13 is the control section of lifting device, and the other end of claw 13 is connected with the piston rod of oil cylinder 19 through driving link.
The lower end surface of described valve gap 7 is provided with the buffering cavity, and the lower end of cavity is buffering capping 5, on valve rod 10, connects cushion plugs 6, and cushion plugs 6 is positioned at this buffer cavity.
The middle part excircle of described valve rod 10 is provided with cover 8 in the dish spring, and the excircle of cover 8 is provided with dish spring 11 in the dish spring.Dish spring 11 1 ends contact with the lower surface of gland nut 12, and the other end contacts with the convex edge of cover 8 in the dish spring.
Coaxial being provided with of the outer wall of described lifting arm 14 promotes silk braid 15, and the excircle that promotes silk braid 15 is threaded with Stem Mut 16, on Stem Mut 16, is provided with handwheel 18; Top at lifting arm 14 connects enhancing ring 17, and the bottom surface of enhancing ring 17 overlaps with the upper-end surface that promotes silk braid 15.
The operating process that it is concrete, as shown in Figure 2,
1. left-handed handwheel 18 together with valve rod 10 pull-ups, is pinned until lifting arm 14 convex shoulders lifting arm 14 by claw, simultaneously necessary pipeline inner pressure P>1.2MPa, otherwise valve rod can't lock;
2. dextrorotation handwheel 18 makes lifting silk braid 15 get back to extreme lower position, reserves valve rod descent altitude space;
3. reduction pipeline inner pressure, <behind the 0.5MPa, oil cylinder 19 piston rods are regained, and claw breaks away from lifting arm 14 convex shoulders, fall throttle down at dish spring 11 active force lower Discs 3 as P.

Claims (6)

1. automatic block valve; The turnover bellmouth that comprises valve body (1), valve gap (7), valve body (1) two ends; It is characterized in that: in valve body (1), be provided with cutting device, be provided with lifting device, be connected through valve rod (10) between cutting device and the lifting device in the top of valve gap (7); Be provided with the valve seat (2) of hollow in the below of valve body (1), the valve seat of hollow (2) communicates with the turnover bellmouth, and the bottom surface of cutting device and valve seat (2) fasten; Be provided with oilhole (21) going out socket, oilhole (21) communicates with oil cylinder (19) through stop valve (20) through pipeline, and the piston rod of oil cylinder (19) links to each other with the control section of lifting device.
2. automatic block valve as claimed in claim 1; It is characterized in that: described cutting device structure does; Inwall at valve body (1) is provided with pilot seal cover (4); Pilot seal cover (4) is provided with and goes out the hole that bellmouth communicates, and airtight cooperation of inner circumference of flap (3) and pilot seal cover (4), the bottom of valve rod (10) is threaded with the upper end of flap (3).
3. automatic block valve as claimed in claim 1; It is characterized in that: the structure of described lifting device does; Flexibly connect medium-height trestle (9) in valve gap (7) upper end; Be provided with gland nut (12) in the medium-height trestle, the valve rod (10) in the below cavity of gland nut (12) is provided with dish spring (11); In the top cavity of gland nut (12), be provided with lifting arm (14); Lifting arm (14) flexibly connects with valve rod (10); And the lower end surface of lifting arm (14) forms convex shoulder; Claw (13) contacts with convex shoulder, and this claw (13) is the control section of lifting device, and the other end of claw (13) is connected with the piston rod of oil cylinder (19) through driving link.
4. automatic block valve as claimed in claim 2; It is characterized in that: the lower end surface of described valve gap (7) is provided with the buffering cavity; The lower end of cavity is buffering capping (5), goes up at valve rod (10) to connect cushion plugs (6), and cushion plugs (6) is positioned at this buffer cavity.
5. automatic block valve as claimed in claim 3; It is characterized in that: the middle part excircle of described valve rod (10) is provided with cover (8) in the dish spring; The excircle of cover (8) is provided with dish spring (11) in the dish spring; Dish spring (11) one ends contact with the lower surface of gland nut (12), and the other end contacts with the convex edge of cover (8) in the dish spring.
6. like claim 3 or 5 described automatic block valves, it is characterized in that; Coaxial being provided with of the outer wall of described lifting arm (14) promotes silk braid (15), and the excircle that promotes silk braid (15) is threaded with Stem Mut (16), on Stem Mut (16), is provided with handwheel (18); Top at lifting arm (14) connects enhancing ring (17), and the bottom surface of enhancing ring (17) overlaps with the upper-end surface that promotes silk braid (15).
CN201210332694XA 2012-09-11 2012-09-11 Automatic block valve Active CN102818055B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210332694XA CN102818055B (en) 2012-09-11 2012-09-11 Automatic block valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210332694XA CN102818055B (en) 2012-09-11 2012-09-11 Automatic block valve

Publications (2)

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CN102818055A true CN102818055A (en) 2012-12-12
CN102818055B CN102818055B (en) 2013-11-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486107A (en) * 2013-09-26 2014-01-01 北京航天试验技术研究所 Manual and pneumatic integrated steam cylinder
CN105757320A (en) * 2016-01-25 2016-07-13 范玉祥 Automatic pipeline intercepting valve
CN107940052A (en) * 2017-04-02 2018-04-20 范文峰 Automatic pipeline block valve

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191202090A (en) * 1912-01-26 1912-05-30 David Cockburn Improvements in and relating to Stop Valves.
GB291764A (en) * 1927-06-08 1929-07-04 Canada Sugar Refining Company Improvements in and relating to regulators actuated by fluid pressure
JPS5347029A (en) * 1976-10-12 1978-04-27 Hunt Valve Co Inc Controlling valve for liquid flow under pressure condition
JPS5813270A (en) * 1981-07-16 1983-01-25 Shikoku Kakoki Co Ltd Relief valve
CN2119548U (en) * 1992-01-01 1992-10-21 江苏省铜山县阀门厂 Automatic gate valve with relayedic closing action
CN2248274Y (en) * 1995-10-26 1997-02-26 黄兴明 Self-pressing stop valve
CN200985771Y (en) * 2006-12-18 2007-12-05 辽河石油勘探局 Low pressure gas generating field well head emergency cut-out valve
CN201779321U (en) * 2010-09-06 2011-03-30 杨叶 High-pressure pneumatic emergency shutoff valve
CN202091583U (en) * 2011-05-20 2011-12-28 彭国军 Overflow relief valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191202090A (en) * 1912-01-26 1912-05-30 David Cockburn Improvements in and relating to Stop Valves.
GB291764A (en) * 1927-06-08 1929-07-04 Canada Sugar Refining Company Improvements in and relating to regulators actuated by fluid pressure
JPS5347029A (en) * 1976-10-12 1978-04-27 Hunt Valve Co Inc Controlling valve for liquid flow under pressure condition
JPS5813270A (en) * 1981-07-16 1983-01-25 Shikoku Kakoki Co Ltd Relief valve
CN2119548U (en) * 1992-01-01 1992-10-21 江苏省铜山县阀门厂 Automatic gate valve with relayedic closing action
CN2248274Y (en) * 1995-10-26 1997-02-26 黄兴明 Self-pressing stop valve
CN200985771Y (en) * 2006-12-18 2007-12-05 辽河石油勘探局 Low pressure gas generating field well head emergency cut-out valve
CN201779321U (en) * 2010-09-06 2011-03-30 杨叶 High-pressure pneumatic emergency shutoff valve
CN202091583U (en) * 2011-05-20 2011-12-28 彭国军 Overflow relief valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486107A (en) * 2013-09-26 2014-01-01 北京航天试验技术研究所 Manual and pneumatic integrated steam cylinder
CN103486107B (en) * 2013-09-26 2015-10-21 北京航天试验技术研究所 Luck one cylinder
CN105757320A (en) * 2016-01-25 2016-07-13 范玉祥 Automatic pipeline intercepting valve
CN107940052A (en) * 2017-04-02 2018-04-20 范文峰 Automatic pipeline block valve
CN107940052B (en) * 2017-04-02 2021-06-29 范文峰 Automatic pipeline block valve

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Owner name: SHENYANG XINGUANG GENERAL MACHINE MANUFACTURING CO

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Address after: 110000 No. 10, Dongxin Road, Shenhe District, Liaoning, Shenyang

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Address before: 102300 Beijing city Mentougou District Three Street No. 1

Patentee before: Oil Materials Inst, General Logistics Department of PLA

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Effective date of registration: 20220228

Address after: 102300 Beijing city Mentougou District Three Street No. 1

Patentee after: Institute of Military New Energy Technology, Institute of Systems Engineering, Academy of Military Sciences

Address before: No. 10, Dongxin Road, Shenhe District, Shenyang

Patentee before: SHENYANG XINGUANG GENERAL MACHINERY MANUFACTURINGCO.,LTD.