CN109386679A - Liquefied Hydrocarbon tank car handling safety type quick coupling - Google Patents

Liquefied Hydrocarbon tank car handling safety type quick coupling Download PDF

Info

Publication number
CN109386679A
CN109386679A CN201710674009.4A CN201710674009A CN109386679A CN 109386679 A CN109386679 A CN 109386679A CN 201710674009 A CN201710674009 A CN 201710674009A CN 109386679 A CN109386679 A CN 109386679A
Authority
CN
China
Prior art keywords
female
male connector
tank car
valve
quick coupling
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
Application number
CN201710674009.4A
Other languages
Chinese (zh)
Inventor
刘全桢
蒲鹤
甘鹏
宫宏
田隆
高鑫
陶彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Qingdao Safety Engineering Institute
Original Assignee
China Petroleum and Chemical Corp
Sinopec Qingdao Safety Engineering Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Qingdao Safety Engineering Institute filed Critical China Petroleum and Chemical Corp
Priority to CN201710674009.4A priority Critical patent/CN109386679A/en
Publication of CN109386679A publication Critical patent/CN109386679A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/28Couplings of the quick-acting type with fluid cut-off means
    • F16L37/30Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a kind of Liquefied Hydrocarbon tank car handling safety type quick coupling, easy to fall off, easy leakage in the prior art is mainly solved, and cannot achieve quick cutting, the poor problem of safety.The present invention is by using a kind of Liquefied Hydrocarbon tank car handling safety type quick coupling, including male connector and female two parts, female and tank car are fixedly mounted on tank car by flange, female tail portion is fixedly mounted on Liquefied Hydrocarbon oil filling riser front end by circular cone taper pipe thread, female end configures ultra-short globe valve, it releases ball valve, flange seat, simultaneously limit card slot is arranged in male connector exterior circumference distributing auger groove, built-in shut-off valve, quick coupling female configuration locking mechanism, and idler wheel is set on head, ball grooves are arranged in middle section, handwheel is arranged in tail portion, ball grooves are arranged in female internal circumference, it is connect by ball with male connector, built-in shut-off valve, the technical solution of tail portion setting universal joint preferably solves the above problem, it can be used in the handling of Liquefied Hydrocarbon tank car.

Description

Liquefied Hydrocarbon tank car handling safety type quick coupling
Technical field
The present invention relates to a kind of Liquefied Hydrocarbon tank car handling safety type quick couplings.
Background technique
Liquefied Hydrocarbon generally passes through tank car and is loaded and unloaded in liquefaction plant, utilizes the quick coupling on fluid assembly and disassembly arm (oil filling riser) It is connect with the quick coupling on tank car and realizes closed handling process, therefore, the reliability of quick coupling is related to Liquefied Hydrocarbon handling Safety whether.One Liquefied gas tanker of the June in 2017 of Linyi on the 5th Harbor Qu Jinyu petrochemical industry Liquefied Hydrocarbon loading place is filling It explodes when unloading operation, causes dead 9 people of 10 people severely injured, elementary exploration cause of accident is that Liquefied Hydrocarbon occurs in cargo handling process to let out Dew encounters incendiary source and heavy explosion occurs after gasifying rapidly.The connection reliability that Liquefied Hydrocarbon loads and unloads quick coupling used is related to dress The overall security of operation is unloaded, traditional quick coupling material is brass or stainless steel, and the male connector and female of quick coupling are equal Using through-type structure, tank car end connector realizes opening and closing using rear end ball valve, and fluid assembly and disassembly arm end connector is real using rear end ball valve It now opens and closes, when falling off or revealing, straight-through type joint cannot achieve quickly cutting and Liquefied Hydrocarbon is prevented to reveal connector, can make Gasify rapidly at Liquefied Hydrocarbon and form explosion space, can set off an explosion when encountering spark.The male connector of traditional quick coupling has ring Connected in star, female two sides have lobe plate handle, utilize lobe plate handle by annular groove stuck realization after male connector is connected with female Connection.Since the material is soft for brass, due to operator's improper use when quick coupling connects, feelings that connector is not bonded completely Lobe plate firmly is pulled stuck male connector under condition, be will cause connection for a long time and sternly Liquefied Hydrocarbon is not caused to be revealed.
Patent CN205689951U discloses a kind of structure of pipeline connection, it can be achieved that the quick of two segment pipes connects and divide From, but the type quick coupling lacks leakage self-sealing function.
In view of the above circumstances, this Liquefied Hydrocarbon tank car handling safety type quick coupling male connector female uses shut-off valve, connects close Ability bidirectionally conductive after closing, counteracting spring can immediately close shut-off valve and prevent leakage when connector is revealed;To prevent out The case where existing buckle-type female and male connector fall off, safety-type quick coupling uses spiral connection type, male connector front end pin edge Stuck female, the buckle are equipped with anti-dropout and design after two weeks for 100 degree circular orbits rotations outside female, connect it is complete after can be real The close connection of existing female and male connector.
Summary of the invention
The technical problem to be solved by the present invention is to the problems that safety in the prior art is poor, provide a kind of new liquefaction Hydrocarbon tank car handling safety type quick coupling.The quick coupling has the advantages that safety is preferable.
To solve the above problems, The technical solution adopted by the invention is as follows: a kind of Liquefied Hydrocarbon tank car handling safety type is quick Simultaneously limit card slot is arranged in connector, including male connector and female two parts, male connector exterior circumference distributing auger groove, built-in shut-off valve; Female and tank car are fixedly mounted on tank car by flange, and female tail portion is fixedly mounted on Liquefied Hydrocarbon crane by circular cone taper pipe thread Pipe front end, female end configures ultra-short globe valve, ball valve of releasing, flange seat, female configuration locking mechanism, and idler wheel is arranged on head, Ball grooves are arranged in middle section, and handwheel is arranged in tail portion, and female internal circumference is arranged ball grooves, is connect by ball with male connector, built-in section Universal joint is arranged in only valve, tail portion;It is rolled in male connector spiral grooves when connection by female idler wheel, drives inside center axis edge Axis linear motion, the two-way cut-off valve core that opens realize pipeline conducting, and locking mechanism is automatically inserted into limiting card after the completion of connection Slot locks the male connector of quick coupling and female.
In above-mentioned technical proposal, it is preferable that male connector, female carry out rotation connection by 2-4 helicla flute.
In above-mentioned technical proposal, it is preferable that be respectively provided with shut-off valve, valve after the connection completely of male connector female inside male connector, female Core mutually opens, and opens circulation passage.
In above-mentioned technical proposal, it is preferable that locking mechanism is set in female, and when male and female head is rotated in place, locking level is logical Initial tension of spring is crossed to automatically insert in the card slot of male connector tail portion.
In above-mentioned technical proposal, it is preferable that male connector tail portion is arranged 3 swivelling chutes and female is rotated from any gun platform position Insertion is able to achieve automation locking.
In above-mentioned technical proposal, it is preferable that when needing to draw guns, lift knurlied knob manually, locking level is lifted and taken off From male connector tail portion card slot, then male connector and female are detached from by rotation hand wheel.
In above-mentioned technical proposal, it is preferable that female and tank car pass through flanged joint, connect ultra-short globe valve after flange, are used for Tank car storage tank inlet is closed after the completion of filling and needs to close pipeline when the case where cutting off inlet;Male connector is connected after ball valve, It is internally integrated shut-off valve, pipeline is automatically cut off after the completion of filling, realizes the closing of tank car section of tubing after disengaging connection.
In above-mentioned technical proposal, it is preferable that bypath valve is provided in male connector, for filling completion and cutting off ultra-short globe valve Liquid is released in pipeline afterwards, and male connector exterior circumference is distributed 3 helicla flutes, respectively corresponds upper roller inside female, is revolved for male connector Turn insertion and channel is provided, and limits female rotation angle and position;3 clamp bar slots are arranged in gun platform body tail portion, rotate to for female Quick coupling limit is carried out when position;Female tail portion is threadedly coupled with Liquefied Hydrocarbon oil filling riser, shut-off valve is integrated in female, after the completion of filling Pipeline is automatically cut off, realizes the closing of oil filling riser section of tubing after disengaging connection.
The present invention provides a kind of Liquefied Hydrocarbon tank car handling safety type quick coupling, which uses spiral Connection type has anti-dropout design, and male connector and female are respectively provided with check-valves, after connection completely just can bidirectionally conductive, once There is leakage one way stop peturn valve and closes prevention medium leakage immediately.The Liquefied Hydrocarbon tank car handling safety type quick coupling may be implemented Rapidly switching off when leakage prevents medium from continuing to reveal, and has the case where anti-dropout design prevents Joint's falling off, greatly improves liquefaction The features such as safety of hydrocarbon handling, has connection light, quick and easy, and negotiability is big, safe and reliable achieves preferable Technical effect.
Detailed description of the invention
Fig. 1 is the outside schematic diagram of quick coupling of the present invention.
Fig. 2 is the schematic internal view of quick coupling female of the present invention.
Fig. 3 is the schematic internal view of quick coupling male connector of the present invention.
In Fig. 1,1 male connector;2 cover type nuts;3 bearing pins;4 bearing gaskets;5 bearings;6 handwheels;7 screw assemblies; 8 knurlied knobs;9 soket head cap screws;10 plain washers;11 compressed springs;12 locking levels.
In Fig. 2,1 guidance circle;2 female shells;3 lubricating cups;4 steel balls;5 O-rings.
In Fig. 3,1 male connector pedestal;2 O-rings;3 nonreturn valve cores;4 sealing rings;5 compressed springs;6 valve core cases;7 pads Circle;8 connector sleeves.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of Liquefied Hydrocarbon tank car handling safety type quick coupling, as shown in Figure 1-3, include male connector and female two parts, packet Male connector and female two parts are included, simultaneously limit card slot is arranged in male connector exterior circumference distributing auger groove, built-in shut-off valve;Female and slot Vehicle is fixedly mounted on tank car by flange, and female tail portion is fixedly mounted on Liquefied Hydrocarbon oil filling riser front end by circular cone taper pipe thread, Female end configures ultra-short globe valve, ball valve of releasing, flange seat, female configuration locking mechanism, and idler wheel, middle section setting is arranged on head Handwheel is arranged in ball grooves, tail portion, and female internal circumference is arranged ball grooves, is connect by ball with male connector, built-in shut-off valve, tail portion Universal joint is set;It is rolled in male connector spiral grooves when connection by female idler wheel, drives inside center axis along axis straight line Movement, the two-way cut-off valve core that opens realize pipeline conducting, and locking mechanism is automatically inserted into limit card slot after the completion of connection, will be quick The male connector and female of connector lock.
Female and tank car pass through flanged joint.Ultra-short globe valve is connected after flange, for closing tank car storage tank after the completion of filling Inlet and other need to close pipeline when the case where cutting off inlet.Quick coupling male connector is connected after ball valve, is internally integrated and is cut Only valve automatically cuts off pipeline after the completion of filling, realize the closing of tank car section of tubing after disengaging connection.Bypass is provided in male connector Valve, for filling completion and cutting off after ultra-short globe valve releasing for liquid in pipeline.Male connector exterior circumference is distributed 3 helicla flutes, Upper roller inside female is respectively corresponded, is rotatably inserted into for male connector and channel is provided, and limits female rotation angle and position.Gun platform body 3 clamp bar slots are arranged in tail portion, and quick coupling limit is carried out when being rotated in place for female.Female tail portion and Liquefied Hydrocarbon oil filling riser screw thread connect It connects, shut-off valve is integrated in female, pipeline is automatically cut off after the completion of filling, realize the closing of oil filling riser section of tubing after disengaging connection. Male and female head is attached by helicla flute, realization male and female head straight line insertion gun platform, unidirectional built in shut-off valve built in female and male connector Pipeline is connected to top in spool, provides pipeline liquid distribution channel.Rotating handle is arranged on rear end in female, and personnel is facilitated to operate.It is female Locking mechanism is also set up on head, when male and female head is rotated in place, locking level automatically inserts male connector trailer card by initial tension of spring In slot, male connector tail portion be arranged 3 swivelling chutes make female be rotatably inserted into from any gun platform position be able to achieve automation locking. When needing to draw guns, lift knurlied knob manually, locking level is lifted to and is detached from male connector tail portion card slot, then rotation hand wheel will be public Head and female are detached from.
[comparative example]
Patent CN204358308U discloses a kind of locking type quick coupling, improves the stability of quick coupling connection.But It is that such type joint uses through-type structure design nothing once the case where Liquefied Hydrocarbon leakage occur from seal structure, cargo handling process, Source of leaks can not be cut off in time, and encountering spark can explode.
Obviously, this Liquefied Hydrocarbon tank car handling safety type quick coupling male connector female uses shut-off valve, ability after connection is closed Bidirectionally conductive, counteracting spring can immediately close shut-off valve and prevent leakage when connector is revealed;To prevent buckle-type The case where female and male connector fall off, safety-type quick coupling use spiral connection type, male connector front end pin along female outside Stuck female, the buckle are equipped with anti-dropout and design portion's 100 degree of circular orbits rotation after two weeks, after connecting completely achievable female with The close connection of male connector, safety is good, achieves preferable technical effect.

Claims (8)

1. a kind of Liquefied Hydrocarbon tank car handling safety type quick coupling, including male connector and female two parts, male connector exterior circumference is uniformly distributed Simultaneously limit card slot is arranged in spiral grooves, built-in shut-off valve;Female and tank car are fixedly mounted on tank car by flange, female tail portion It is fixedly mounted on Liquefied Hydrocarbon oil filling riser front end by circular cone taper pipe thread, female end configures ultra-short globe valve, ball valve of releasing, flange seat, Female configuration locking mechanism, and idler wheel is set on head, ball grooves are arranged in middle section, and handwheel is arranged in tail portion, and female internal circumference is set Ball grooves are set, are connect by ball with male connector, built-in shut-off valve, universal joint is arranged in tail portion;Existed when connection by female idler wheel It is rolled in male connector spiral grooves, inside center axis is driven to move along a straight line along axis, the two-way cut-off valve core that opens realizes that pipeline is led Logical, locking mechanism is automatically inserted into limit card slot after the completion of connection, and the male connector of quick coupling and female are locked.
2. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 1, it is characterised in that male connector, female pass through 2- 4 helicla flutes carry out rotation connection.
3. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 1, it is characterised in that inside male connector, female Shut-off valve is set, and male connector female connects complete back valve core and mutually opens, and opens circulation passage.
4. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 1, it is characterised in that locking is arranged in female Mechanism, when male and female head is rotated in place, locking level is automatically inserted in the card slot of male connector tail portion by initial tension of spring.
5. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 2, it is characterised in that male connector tail portion is arranged 3 Swivelling chute make female be rotatably inserted into from any gun platform position be able to achieve automation locking.
6. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 1, it is characterised in that when needing to draw guns, hand It is dynamic to lift knurlied knob, locking level is lifted to and is detached from male connector tail portion card slot, then rotation hand wheel takes off male connector and female From.
7. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 1, it is characterised in that female passes through with tank car Flanged joint connects ultra-short globe valve after flange, for closing tank car storage tank inlet after the completion of filling and needing to cut off inlet The case where when close pipeline;Male connector is connected after ball valve, is internally integrated shut-off valve, pipeline is automatically cut off after the completion of filling, and is realized de- Open the closing of tank car section of tubing after connecting.
8. Liquefied Hydrocarbon tank car handling safety type quick coupling according to claim 1, it is characterised in that be provided with side in male connector Port valve door, for filling completion and cutting off after ultra-short globe valve releasing for liquid in pipeline, male connector exterior circumference is distributed 3 spirals Slot respectively corresponds upper roller inside female, is rotatably inserted into for male connector and provides channel, and limits female rotation angle and position;Rifle 3 clamp bar slots are arranged in pedestal tail portion, and quick coupling limit is carried out when being rotated in place for female;Female tail portion and Liquefied Hydrocarbon oil filling riser spiral shell Line connects, and shut-off valve is integrated in female, and pipeline is automatically cut off after the completion of filling, and realizes the envelope of oil filling riser section of tubing after disengagement connects It closes.
CN201710674009.4A 2017-08-09 2017-08-09 Liquefied Hydrocarbon tank car handling safety type quick coupling Pending CN109386679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710674009.4A CN109386679A (en) 2017-08-09 2017-08-09 Liquefied Hydrocarbon tank car handling safety type quick coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710674009.4A CN109386679A (en) 2017-08-09 2017-08-09 Liquefied Hydrocarbon tank car handling safety type quick coupling

Publications (1)

Publication Number Publication Date
CN109386679A true CN109386679A (en) 2019-02-26

Family

ID=65414108

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710674009.4A Pending CN109386679A (en) 2017-08-09 2017-08-09 Liquefied Hydrocarbon tank car handling safety type quick coupling

Country Status (1)

Country Link
CN (1) CN109386679A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645431A (en) * 2019-09-24 2020-01-03 上海蓝科电气有限公司 Metal pipeline quick connector
CN113148935A (en) * 2021-04-21 2021-07-23 中海石油气电集团有限责任公司 Quick connector for loading and unloading low-temperature dangerous chemical fluid and operation method thereof
CN115234731A (en) * 2021-04-23 2022-10-25 中国石油化工股份有限公司 Tube bundle joint
CN116293150A (en) * 2021-12-21 2023-06-23 中国石油化工股份有限公司 Quick connector for hydrogen tube bundle vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333078A (en) * 2001-05-09 2002-11-22 Kubota Corp Valve operating device with lock mechanism
CN101532575A (en) * 2009-04-08 2009-09-16 浙江威腾阀门有限公司 Valve with quick coupling device
CN203585644U (en) * 2013-11-26 2014-05-07 浙江松乔气动液压有限公司 Novel connector
CN204328458U (en) * 2014-10-31 2015-05-13 天津华迈燃气装备股份有限公司 A kind of compressed natural gas tank car discharge column with ejection escape function
CN205118538U (en) * 2015-10-21 2016-03-30 武汉三江航天远方科技有限公司 Marine filling station quick -operation joint
CN206017850U (en) * 2016-08-27 2017-03-15 江苏苏盐阀门机械有限公司 A kind of stable type ball valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333078A (en) * 2001-05-09 2002-11-22 Kubota Corp Valve operating device with lock mechanism
CN101532575A (en) * 2009-04-08 2009-09-16 浙江威腾阀门有限公司 Valve with quick coupling device
CN203585644U (en) * 2013-11-26 2014-05-07 浙江松乔气动液压有限公司 Novel connector
CN204328458U (en) * 2014-10-31 2015-05-13 天津华迈燃气装备股份有限公司 A kind of compressed natural gas tank car discharge column with ejection escape function
CN205118538U (en) * 2015-10-21 2016-03-30 武汉三江航天远方科技有限公司 Marine filling station quick -operation joint
CN206017850U (en) * 2016-08-27 2017-03-15 江苏苏盐阀门机械有限公司 A kind of stable type ball valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645431A (en) * 2019-09-24 2020-01-03 上海蓝科电气有限公司 Metal pipeline quick connector
CN113148935A (en) * 2021-04-21 2021-07-23 中海石油气电集团有限责任公司 Quick connector for loading and unloading low-temperature dangerous chemical fluid and operation method thereof
CN115234731A (en) * 2021-04-23 2022-10-25 中国石油化工股份有限公司 Tube bundle joint
CN116293150A (en) * 2021-12-21 2023-06-23 中国石油化工股份有限公司 Quick connector for hydrogen tube bundle vehicle

Similar Documents

Publication Publication Date Title
CN109386679A (en) Liquefied Hydrocarbon tank car handling safety type quick coupling
US5285807A (en) Coupling system
US9851017B2 (en) Locking mechanism for unisex ball valve coupling
US9371949B2 (en) Locking mechanism for unisex ball valve coupling
US3330313A (en) Supply and receiver coupler
GB2250073A (en) Refrigeration system service couplings
US3378021A (en) Safety shut-off valve
US8939172B2 (en) Ball valve
CN112393044B (en) A quick connector for fluid loading and unloading
US6148841A (en) High pressure gas valve
US5095946A (en) Dry-break pipe coupling
JP2013504019A (en) Structural connector that diverts loads from low-temperature connectors
CN103090181B (en) Ship-use low-temperature fluid loading and unloading device
US6273397B1 (en) Air conditioner access and service fittings
WO2007100625A2 (en) Hose hinge assembly
US4328822A (en) Breakaway coupling assembly
US3086565A (en) Servicing nozzle
US7850214B2 (en) Closure safety interlock for a pressure vessel
WO2004005788A1 (en) Air conditioner access and service fittings
CN101532575B (en) Valve with quick coupling device
US3123078A (en) Lubricated valve with means to relieve
US6598620B1 (en) Faucet and pipe connection including a spherical valve element
RU2154217C1 (en) Cut-off device for container-tank
US20160208934A1 (en) Gas cylinder valve
CN2626859Y (en) Spigot joint for pressure oiling of airplane

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190226

RJ01 Rejection of invention patent application after publication