CN105221932B - Low temperature fluid handling arm emergency separating device - Google Patents
Low temperature fluid handling arm emergency separating device Download PDFInfo
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- CN105221932B CN105221932B CN201510678871.3A CN201510678871A CN105221932B CN 105221932 B CN105221932 B CN 105221932B CN 201510678871 A CN201510678871 A CN 201510678871A CN 105221932 B CN105221932 B CN 105221932B
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Abstract
The invention discloses a kind of low temperature fluid handling arm emergency separating device, it is oppositely installed using the upper valve core of Self-sealing valve upper valve body and the bottom spool of Self-sealing valve lower valve body, after clamp components apart, the clamping force of Self-sealing valve upper valve body, Self-sealing valve lower valve body is disappeared, emergency separating device starts to depart under Self-sealing valve lower valve body Action of Gravity Field, during disengaging, valve element gradually closes valve port under the style of work of back-moving spring and fluid media (medium), the sealing property after separation is can effectively ensure that, its is compact-sized, in light weight；The structure of Self-sealing valve upper valve body and Self-sealing valve lower valve body is fixed using clamp component, can ensure that driving force is smaller, driving trip is short；Three inclined-planes are integrated on pushing block, logically true, the reliable in action of separation can be ensured；The measures such as craft thread hole are set by mitigating the whole weight of emergency separating device, and in valve body, reduce self-healing workload after emergency separating device departs from.
Description
Technical field
The present invention relates to cryogen conveying equipment parts peculiar to vessel, and in particular to a kind of low temperature fluid handling arm is with promptly
Release unit.
Background technology
Low temperature fluid handling arm can be used for land transportation (including train transport and Automobile Transportation) and water transportation (including sea
Ocean transport and rivers transport), ocean and rivers transport are also known as low temperature loading arm peculiar to vessel with low temperature loading arm.Low temperature fluid handling
During operation, once there is emergency, (such as cryogenic liquid leakage, fire or loading arm stress deformation angle are too big for arm
Deng), for ensure output end (filling station etc.) and by note end (ship, automobile etc.) safety, it is necessary to be completed within the most short time
Separation, while the sealing at both ends is automatically performed after separating.And in general threaded connection can not meet fast separation requirement, this
In the case of, it is necessary to install emergency separating device in low temperature loading arm.
Emergency separating device on the market mainly has two kinds of structure types at present, and one kind is double ball-valve structures, though the program
Right structural reliability is high, ball valve liquid resistance is small, but sealing property is determined by the performance of ball valve, and current cryogenic ball valve quality can not
Ensure, while required promotion power output is larger, stroke is longer, complicated and weight is larger；Another structure is double plate valve knots
Structure, the program is simple in construction, power output is smaller, stroke is shorter, but the sealing for departing from back valve core and valve body is difficult to ensure that.
The content of the invention
Deficiency of the purpose of the present invention aiming at above-mentioned technology, there is provided a kind of driving force is small, can be automatically separated and divide
The low temperature fluid handling arm emergency separating device reliably sealed can be ensured from after.
To achieve the above object, the low temperature fluid handling arm emergency separating device designed by the present invention, including Self-sealing valve
Upper valve body, Self-sealing valve lower valve body, the clamp component for clamping the Self-sealing valve upper valve body and the Self-sealing valve lower valve body pairing and
The hydraulic cylinder of the clamp components apart is driven, upper valve core, the Self-sealing valve lower valve body are provided with the Self-sealing valve upper valve body
Inside it is provided with bottom spool, the head of the head of the upper valve core and the bottom spool is oppositely installed；The Self-sealing valve upper valve body mouth
Portion is cased with multiple equipped with the upper clamp nut for compressing the Self-sealing valve upper valve body between the upper clamp nut and the upper valve core
Position spring；The Self-sealing valve lower valve body oral area is equipped with the lower compression nut for compressing the Self-sealing valve lower valve body, the lower compression spiral shell
It is female that lower back-moving spring is cased between the bottom spool.
The upper valve core includes upper valve core body and upper valve core print, is lined between the upper valve core body and the upper valve core print
Sealing ring；Upper valve body junction inwall is circumferentially provided with upper valve body binding face, and the upper sealing ring outer peripheral edge faces
The upper valve body binding face and with the upper valve body binding face coordinate.
The bottom spool includes lower valve core body and lower valve core print, is lined with down between the lower valve core body and the lower valve core print
Sealing ring；Lower valve body junction inwall is circumferentially provided with lower valve body binding face, and the lower seal outer peripheral edge faces
The lower valve body binding face and with the lower valve body binding face coordinate.
The clamp component includes the first clamp, the second clamp, swing rod and pushing block with first clamp rotation connection,
One end of first clamp is connected by rotating shaft with one end of the swing rod, and the other end of the swing rod is arranged on described second
In one end stopper slot of clamp, the lower end of the pushing block is inserted into the swing rod and encloses what is formed with the first clamp spacing hole
In through hole and slide up and down and the positive promotion face with the swing rod of the pushing block fits；The piston rod of the hydraulic cylinder
Face the upper surface of the pushing block.
Further, the head outer peripheral edge of the upper valve core body be provided be engaged with the upper valve body binding face it is convex
Face, the head outer peripheral edge of the lower valve core body are provided with the lower convex surface being engaged with the lower valve body binding face.When generation fire
Etc. it is unexpected situations such as, when sealing ring is destroyed, by the convex surface on valve core be pressed on valve body binding face realize seal.
Further, the back side of the pushing block is provided with guide groove, is provided with the spacing hole inwall and the guide groove
The screw being engaged makes the pushing block hang in first clamp；The pushing block back side is outward extended with postive stop baffle, described
The inwall of spacing hole is provided with the first projection being engaged with the postive stop baffle；The front of the pushing block from bottom to top includes the
One inclined-plane, the second inclined-plane and vertical plane；The side of the pushing block is provided with the second projection, and the side of second projection is promotion
3rd inclined-plane of the second clamp separation.
Further, the Self-sealing valve lower valve body junction is outward extended with axle, the axle and the Self-sealing valve upper valve body
The axis hole of junction is engaged so that Self-sealing valve upper valve body and Self-sealing valve lower valve body junction use shaft hole matching, and it is described from
The axis hole length for sealing valve upper valve body is more than the stroke sum that the upper valve core and the bottom spool are closed.
Further, the junction of the Self-sealing valve upper valve body is provided with upper flange, the combination of the Self-sealing valve lower valve body
Place is provided with lower flange, and radial direction seal ring is lined between the upper flange and the lower flange and realizes radial seal, the upper method
Blue and described lower flange is correspondingly arranged on some craft thread holes, for aiding in pair of Self-sealing valve upper valve body and Self-sealing valve lower valve body
Tipping is matched somebody with somebody.
Further, the upper flange inwall is provided with upper half pin-and-hole, and the lower flange inwall is provided with and the upper half pin-and-hole
Inserted with stop pin in corresponding lower half pin-and-hole, the upper half pin-and-hole and the lower half pin-and-hole, on the one hand, stop pin is used to prevent
Self-sealing valve upper valve body and the relative rotation of Self-sealing valve lower valve body, on the other hand, for aiding under Self-sealing valve upper valve body and Self-sealing valve
Positioning when valve body assembles.
Further, the upper surface of the upper flange is provided with the 4th inclined-plane, and the lower surface of the lower flange is oblique provided with the 5th
Face, first clamp and the second clamp inwall are provided with oblique with the 4th inclined-plane and the 6th inclined-plane of the 5th inclined-plane cooperation and the 7th
Face, the connection being easy between Self-sealing valve upper valve body and Self-sealing valve lower valve body, and further driving force is diminished.
Further, the upper sealing ring and the lower seal are teflin ring.
Further, the external diameter of the upper clamp nut is more than the internal diameter of upper standard flange, is fixed against Self-sealing valve upper valve body
The upper standard flange of connection realizes the locking of upper clamp nut, and the external diameter of the lower compression nut is more than the interior of lower standard flange
Footpath, the lower standard flange for being fixed against the connection of Self-sealing valve lower valve body realize the locking of lower compression nut.
Further, the radial direction seal ring uses spring energy-storage composite sealing ring.
Compared with prior art, the present invention has advantages below：Under upper valve core and Self-sealing valve using Self-sealing valve upper valve body
The bottom spool of valve body is oppositely installed, and after clamp components apart, the clamping force of Self-sealing valve upper valve body, Self-sealing valve lower valve body is disappeared
Lose, emergency separating device starts to depart under Self-sealing valve lower valve body Action of Gravity Field, and during disengaging, valve element is in back-moving spring and stream
Valve port is gradually closed under the style of work of body medium, can effectively ensure that the sealing property after separation, its compact-sized, weight
Gently；The structure of Self-sealing valve upper valve body and Self-sealing valve lower valve body is fixed using clamp component, can ensure that driving force is smaller, drives row
Journey is short；Three inclined-planes are integrated on pushing block, logically true, the reliable in action of separation can be ensured；By mitigating emergency separating device
Whole weight, and the measures such as craft thread hole are set in valve body, reduce self-healing work after emergency separating device departs from
Amount.
Brief description of the drawings
Fig. 1 is the perspective cross section structural representation of low temperature fluid handling arm emergency separating device of the present invention；
Fig. 2 is the working state schematic representation of low temperature fluid handling arm emergency separating device of the present invention；
Fig. 3 is the disengaged position schematic diagram of low temperature fluid handling arm emergency separating device of the present invention；
Fig. 4 is the assembling dimensional structure diagram of pushing block and the first clamp in Fig. 1；
Fig. 5 is Fig. 4 part main view cross section structure diagram.
Each part numbers are as follows in figure：Self-sealing valve upper valve body 1, Self-sealing valve lower valve body 2, the first clamp 3, the second clamp 4, liquid
Cylinder pressure 5 is (wherein：Piston rod 5.1), pushing block 6 (wherein：Vertical plane 6.1, the first inclined-plane 6.3, the second inclined-plane 6.2, the 3rd inclined-plane
6.4), upper reset spring 7, upper valve core body 8, upper valve core print 9, lower valve core print 10, radial direction seal ring 11, lower valve core body 12, upper close
Seal 13, upper clamp nut 14, lower back-moving spring 15, upper valve body binding face 16, upper convex surface 17, stop pin 18, craft thread hole
19th, swing rod 20, upper standard flange 21, lower convex surface 22, lower seal 23, lower compression nut 24, lower standard flange 25, pad 26,
Upper flange 27 is (wherein：4th inclined-plane 27.1), lower flange 28 (wherein：5th inclined-plane 28.1), axle 29, stopper slot 30, spacing hole
31st, screw 32, guide groove 33, the first projection 34, postive stop baffle 35.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Low temperature fluid handling arm emergency separating device with reference to shown in Fig. 1, Fig. 2, including Self-sealing valve upper valve body 1, setting
Upper valve core, Self-sealing valve lower valve body 2, the bottom spool being arranged in Self-sealing valve lower valve body 2 in Self-sealing valve upper valve body 1, will be self-styled
The clamp component and the hydraulic cylinder 5 of driving clamp components apart that valve upper valve body 1 and the pairing of Self-sealing valve lower valve body 2 clamp.
Clamp component includes the first clamp 3, the second clamp 4, swing rod 20 and pushing block 6 with the rotation connection of the first clamp 3, the
One end of one clamp 3 is connected by rotating shaft with one end of swing rod 20, and the other end of swing rod 20 is arranged on one end limit of the second clamp 4
In position groove 30 (i.e. rectangular channel)；With reference to shown in Fig. 4, Fig. 5, the lower end of pushing block 6 is inserted into the spacing hole 31 of 20 and first clamp of swing rod 3
Enclose in the through hole to be formed, the back side of pushing block 6 is provided with guide groove 33, is provided with the inwall of spacing hole 31 and is engaged with guide groove 33
Screw 32 so that pushing block 6 hangs in the first clamp 3 and can slided up and down, and the back side of pushing block 6 is outward extended with limiting block
Plate 35, the inwall of spacing hole 31 are provided with the first projection 34 being engaged with postive stop baffle 35, after clamp component is opened, avoid
Pushing block 6, which flips over, to drop；In addition, the front and the promotion face of swing rod 20 of pushing block 6 fit；The piston rod 5.1 of hydraulic cylinder 5 is just
Against the upper surface of pushing block 6 so that hydraulic cylinder 5 provides the separation power of emergency separating device.Self-sealing valve upper valve body 1 and Self-sealing valve
Lower valve body 2 provides clamping force by the first clamp 3 and the second clamp 4 and clamped, and the first clamp 3 and the second clamp 4 pass through swing rod 20
There is provided and accommodate power.The front of pushing block 6 in the present embodiment from bottom to top includes the first inclined-plane 6.3, the second inclined-plane 6.2 and vertical plane
6.4；The side of pushing block 6 is provided with the second projection, and the side of the second projection is the 3rd inclined-plane 6.4 for promoting the separation of the second clamp 4.
Upper valve core includes upper valve core body 8 and the upper valve core print 9 that is connected by screw with upper valve core body 8, upper valve core body 8 and upper
Sealing ring 13 is lined between valve core head 9, under bottom spool includes lower valve core body 12 and is connected by screw with lower valve core body 12
Valve core head 10, lower seal 23 is lined between lower valve core body 12 and lower valve core print 10, and upper valve core print 9 and lower valve core print 10 are to top
Set.Upper sealing ring 13 and lower seal 23 are teflin ring in the present embodiment.The oral area of Self-sealing valve upper valve body 1 fills
There is the upper clamp nut 14 for compressing Self-sealing valve upper valve body 1, upper reset spring 7 is cased between upper clamp nut 14 and upper valve core；From
The oral area of valve lower valve body 2 is sealed equipped with the lower compression nut 24 for compressing Self-sealing valve lower valve body 2, is covered between lower compression nut 24 and bottom spool
There is lower back-moving spring 15.The junction of Self-sealing valve lower valve body 2 is outward extended with axle 29, axle 29 and the junction of Self-sealing valve upper valve body 1
Axis hole is engaged so that Self-sealing valve upper valve body 1 and the junction of Self-sealing valve lower valve body 2 use shaft hole matching.Self-sealing valve upper valve body 1
Axis hole length is more than the stroke sum that upper valve core and bottom spool are closed.In addition, the junction of Self-sealing valve upper valve body 1 is provided with method
Orchid 27, the junction of Self-sealing valve lower valve body 2 is provided with lower flange 28, and radial direction seal ring is lined between upper flange 27 and lower flange 28
Realize radial seal 11, radial direction seal ring 11 uses spring energy-storage composite sealing ring in the present embodiment.
The external diameter of upper clamp nut 14 is more than the internal diameter of upper standard flange 21 in the present embodiment, by Self-sealing valve upper valve body 1
The upper standard law 21 of connection is blue to realize the locking of upper clamp nut 14.Similarly, the external diameter of lower compression nut 24 is more than lower standard law
The internal diameter of orchid 25, the lower standard flange 25 connected by Self-sealing valve lower valve body 2 realize the locking of lower compression nut 24.
The junction inwall of Self-sealing valve upper valve body 1 is circumferentially provided with upper valve body binding face 16, and the upper outer peripheral edge of sealing ring 13 is just
Coordinate against upper valve body binding face 16 and with upper valve body binding face 16；The junction inwall of Self-sealing valve lower valve body 2 is circumferentially provided with
Lower valve body binding face (not shown), the outer peripheral edge of lower seal 23 face lower valve body binding face and with lower valve body binding face
Coordinate.Meanwhile the head outer peripheral edge of upper valve core body 8 is provided with the upper convex surface 17 being engaged with upper valve body binding face 16, bottom spool
The head outer peripheral edge of body 12 is provided with the lower convex surface 22 being engaged with lower valve body binding face.
Upper flange 27 and lower flange 28 are correspondingly arranged on some craft thread holes 19, for aiding in the He of Self-sealing valve upper valve body 1
The Butt Assembling of Self-sealing valve lower valve body 2.The inwall of upper flange 28 is provided with upper half pin-and-hole, and the inwall of lower flange 28 is provided with and upper half pin-and-hole pair
The lower half pin-and-hole answered, stop pin 18 are inserted into upper half pin-and-hole and lower half pin-and-hole, on the one hand, stop pin 18 is used to prevent Self-sealing valve
Upper valve body 1 and the relative rotation of Self-sealing valve lower valve body 2, on the other hand, for aiding in Self-sealing valve upper valve body 1 and Self-sealing valve lower valve body
Positioning during 2 assembling.The upper surface of upper flange 27 is provided with the 4th inclined-plane 27.1, and the lower surface of lower flange 28 is provided with the 5th inclined-plane
28.1, the first clamp 3 and the inwall of the second clamp 4 are provided with oblique with the 4th inclined-plane and the 6th inclined-plane of the 5th inclined-plane cooperation and the 7th
Face, the connection being easy between Self-sealing valve upper valve body and Self-sealing valve lower valve body, and further driving force is diminished.
During normal work, clamp component is by Self-sealing valve upper valve body 1 and Self-sealing valve lower valve body 2 by being located at upper flange 27 with
Inclined-plane on flange 28 clamps, and in clamped position, upper valve core print 9 and lower valve core print 10 compress upper reset spring 7 and lower multiple to top
Position spring 15, and valve port is opened, form fluid passage.
After receiving ejection escape signal, as shown in figure 3, the promotion pushing block 6 of piston rod 5.1 of hydraulic cylinder 5, pushing block 6 are downward
Move, the first inclined-plane 6.3 extruding 20 outside small movements of swing rod, the stiction between the clamp 4 of pad 26 and second is converted to
Kinetic force of friction, after moving a segment distance, the second inclined-plane 6.2 starts extruding swing rod 20 and outwards significantly moved, until swing rod 20 departs from
The stopper slot 30 (i.e. rectangular channel) of the end of second clamp 4, restraining force between the first clamp 3 and the second clamp 4 release, pushing block after
Continue and start the second clamp 4 of contact located at the 3rd inclined-plane 6.4 of the side of pushing block 6 when moving downward, in the first clamp 3 and the second clamp
Separating force is formed between 4 opens two clamps, and clamp component is opened, and the first clamp 3 and the second clamp 4 are realized and departed from.Clamp
After components apart, the clamping force of Self-sealing valve upper valve body 1, Self-sealing valve lower valve body 2 is disappeared, emergency separating device is in Self-sealing valve lower valve
Start to depart under the Action of Gravity Field of body 2, during disengaging, valve element under the style of work of back-moving spring and fluid media (medium) by valve port by
Gradually close.
Seal process after separation is：The effect for being sealed in upper reset spring 7 between upper valve core and Self-sealing valve upper valve body 1
Under, be pressed on upper valve body binding face 16 and realized by the outer peripheral edge of upper sealing ring 13 being installed on upper valve core, bottom spool with from
Seal under being sealed between valve lower valve body 2 in the presence of back-moving spring 15, by being installed on outside the lower seal 23 on bottom spool
Periphery is pressed on lower valve body binding face and realized.It should be noted that the present apparatus using order shut-off design, i.e., upper valve core first seals
Close, bottom spool rear enclosed, upper valve core and all completely enclosed rear radial direction seal ring failure of bottom spool, disengaging can be reduced to greatest extent
When fluid media (medium) leak.
When the unintended emergency situations such as fire occur, the seal process after separation is：Teflin ring is destroyed
When, the closing of upper valve core is pressed on upper valve body binding face 16 by the upper convex surface 17 set located at the head outer peripheral edge of upper valve core body 8
Sealing is realized, the closing of bottom spool is pressed in lower valve body fitting by the lower convex surface 22 set located at the head outer peripheral edge of lower valve core body 12
Sealing is realized on face.
After emergency separating device separation, by the craft thread hole 19 on upper flange 27 and lower flange 28, aided in
The Butt Assembling of Self-sealing valve.Self-sealing valve needs to overcome upper reset spring 7 and lower back-moving spring 15 to compress caused spring when docking
Power, craft thread hole 19 is connected by screw, overcomes spring force and valve element is compressed to clamped condition, close up the first clamp afterwards
3 and second clamp 4, and fixed the first clamp 3 and the second clamp 4 with swing rod 20, dismantle process screw after installing.
Claims (8)
1. a kind of low temperature fluid handling arm emergency separating device, including Self-sealing valve upper valve body (1), Self-sealing valve lower valve body (2), general
The clamp component and the driving clamp component that the Self-sealing valve upper valve body (1) and the Self-sealing valve lower valve body (2) pairing clamp
The hydraulic cylinder (5) of separation, it is characterised in that：Upper valve core, the Self-sealing valve lower valve body are provided with the Self-sealing valve upper valve body (1)
(2) it is provided with bottom spool in, the head of the head of the upper valve core and the bottom spool is oppositely installed；The Self-sealing valve upper valve body
(1) oral area is equipped with the upper clamp nut (14) for compressing the Self-sealing valve upper valve body (1), the upper clamp nut (14) with it is described on
Upper reset spring (7) is cased between valve element；Self-sealing valve lower valve body (2) oral area is equipped with the compression Self-sealing valve lower valve body (2)
Lower compression nut (24), lower back-moving spring (15) is cased between the lower compression nut (24) and the bottom spool；
The upper valve core includes upper valve core body (8) and upper valve core print (9), the upper valve core body (8) and the upper valve core print (9) it
Between be lined with sealing ring (13)；Self-sealing valve upper valve body (1) junction inwall is circumferentially provided with upper valve body binding face (16),
Upper sealing ring (13) outer peripheral edge faces the upper valve body binding face (16) and matched somebody with somebody with the upper valve body binding face (16)
Close；
The bottom spool includes lower valve core body (12) and lower valve core print (10), the lower valve core body (12) and the lower valve core print
(10) lower seal (23) is lined between；Self-sealing valve lower valve body (2) junction inwall is circumferentially provided with lower valve body fitting
Face, lower seal (26) outer peripheral edge face the lower valve body binding face and coordinated with the lower valve body binding face；
The clamp component includes the first clamp (3), the second clamp (4) being rotatablely connected with first clamp (3), swing rod
(20) and pushing block (6), one end of first clamp (3) are connected by rotating shaft with one end of the swing rod (20), the swing rod
(20) the other end is arranged in one end stopper slot (30) of second clamp (4), and the lower end of the pushing block (6) is inserted into institute
Swing rod (20) and the first clamp (3) spacing hole (31) is stated to enclose in the through hole to be formed and slide up and down and the pushing block (6)
The positive promotion face with the swing rod (20) fit；The piston rod (5.1) of the hydraulic cylinder (5) faces the pushing block
(6) upper surface；
The head outer peripheral edge of the upper valve core body (8) is provided with the upper convex surface being engaged with the upper valve body binding face (16)
(17), the head outer peripheral edge of the lower valve core body (12) is provided with the lower convex surface (22) being engaged with the lower valve body binding face；
The back side of the pushing block (6) is provided with guide groove (33), is provided with and the guide groove on spacing hole (31) inwall
(33) screw (32) being engaged makes the pushing block (6) hang on first clamp (3)；Pushing block (6) back side is to extension
Limited location baffle plate (35) is stretched, the inwall of the spacing hole (31) is provided with the first projection being engaged with the postive stop baffle (35)
(34)；The front of the pushing block (6) from bottom to top includes the first inclined-plane (6.3), the second inclined-plane (6.2) and vertical plane (6.1)；Institute
The side for stating pushing block (6) is provided with the second projection, and the side of second projection is promotes the of the second clamp (4) separation
Three inclined-planes (6.4).
2. low temperature fluid handling arm emergency separating device according to claim 1, it is characterised in that：Under the Self-sealing valve
Valve body (2) junction is outward extended with axle (29), and the axle (29) and the axis hole of Self-sealing valve upper valve body (1) junction match
Close, and the axis hole length of the Self-sealing valve upper valve body (1) is more than the stroke sum that the upper valve core and the bottom spool are closed.
3. low temperature fluid handling arm emergency separating device according to claim 1, it is characterised in that：On the Self-sealing valve
The junction of valve body (1) is provided with upper flange (27), and the junction of the Self-sealing valve lower valve body (2) is provided with lower flange (28),
Radial direction seal ring (11), the upper flange (27) and the laxative remedy are lined between the upper flange (27) and the lower flange (28)
Blue (28) are correspondingly arranged on some craft thread holes (19).
4. low temperature fluid handling arm emergency separating device according to claim 3, it is characterised in that：The upper flange
(27) inwall is provided with upper half pin-and-hole, and lower flange (28) inwall is provided with lower half pin-and-hole corresponding with the upper half pin-and-hole, described
Inserted with stop pin (18) in upper half pin-and-hole and the lower half pin-and-hole.
5. low temperature fluid handling arm emergency separating device according to claim 3, it is characterised in that：The upper flange
(27) upper surface is provided with the 4th inclined-plane (27.1), and the lower surface of the lower flange (28) is provided with the 5th inclined-plane (28.1), described
First clamp (3) and the second clamp (4) inwall are provided with the 6th with the 4th inclined-plane (27.1) and the cooperation of the 5th inclined-plane (28.1)
Inclined-plane and the 7th inclined-plane.
6. low temperature fluid handling arm emergency separating device according to claim 1, it is characterised in that：The upper sealing ring
(13) and the lower seal (23) is teflin ring.
7. low temperature fluid handling arm emergency separating device according to claim 1, it is characterised in that：The upper compression spiral shell
The external diameter of female (14) is more than the internal diameter of upper standard flange (21), and the external diameter of the lower compression nut (24) is more than lower standard flange
(25) internal diameter.
8. low temperature fluid handling arm emergency separating device according to claim 3, it is characterised in that：The radial seal
Circle (11) uses spring energy-storage composite sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510678871.3A CN105221932B (en) | 2015-10-19 | 2015-10-19 | Low temperature fluid handling arm emergency separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510678871.3A CN105221932B (en) | 2015-10-19 | 2015-10-19 | Low temperature fluid handling arm emergency separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221932A CN105221932A (en) | 2016-01-06 |
| CN105221932B true CN105221932B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510678871.3A Active CN105221932B (en) | 2015-10-19 | 2015-10-19 | Low temperature fluid handling arm emergency separating device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6685246B2 (en) * | 2017-02-10 | 2020-04-22 | 東京貿易エンジニアリング株式会社 | Emergency release mechanism for fluid handling equipment |
| CN107339484A (en) * | 2017-08-16 | 2017-11-10 | 连云港神宇石化机械设备有限公司 | A kind of urgent Pull breaking ualve |
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| US3719194A (en) * | 1971-09-23 | 1973-03-06 | Wiggens E Inc | Breakaway coupling |
| US4614201A (en) * | 1981-06-15 | 1986-09-30 | King Frank E | Break-away coupling for hoselines |
| EP0159984A1 (en) * | 1982-11-30 | 1985-11-06 | Alpha Process Control | Break-away coupling for hoselines. |
| CN2698767Y (en) * | 2004-03-30 | 2005-05-11 | 孙慧英 | Emergency release device for liquid loading arm |
| CN2690369Y (en) * | 2004-04-28 | 2005-04-06 | 孙慧英 | Land use fluid loading and unloading arm with emergency separating device |
| CN201028202Y (en) * | 2006-12-27 | 2008-02-27 | 鸿洋集团有限公司 | Repeated abruption valve |
| CN203549045U (en) * | 2013-11-12 | 2014-04-16 | 成都宇思纵科技有限公司 | Pull-off valve for CNG refueling station |
| CN203809810U (en) * | 2014-04-22 | 2014-09-03 | 四川成都空分配套阀门有限公司 | Low-temperature breaking valve |
| CN205118656U (en) * | 2015-10-19 | 2016-03-30 | 武汉三江航天远方科技有限公司 | Urgent separation device is used to low temperature fluid loading and unloading arm |
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| Publication number | Publication date |
|---|---|
| CN105221932A (en) | 2016-01-06 |
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