CN105221932A - Low temperature fluid handling arm emergency separating device - Google Patents
Low temperature fluid handling arm emergency separating device Download PDFInfo
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- CN105221932A CN105221932A CN201510678871.3A CN201510678871A CN105221932A CN 105221932 A CN105221932 A CN 105221932A CN 201510678871 A CN201510678871 A CN 201510678871A CN 105221932 A CN105221932 A CN 105221932A
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Abstract
The invention discloses a kind of low temperature fluid handling arm emergency separating device, the lower valve core of valve body under the upper valve core of Self-sealing valve upper valve body and Self-sealing valve is adopted to be oppositely installed, when after clamp components apart, the clamping force of valve body under Self-sealing valve upper valve body, Self-sealing valve is disappeared, emergency separating device starts under valve body Action of Gravity Field to depart under Self-sealing valve, in detach procedure, valve port is closed gradually by spool under the style of work of Returnning spring and flowing medium, effectively can ensure the sealability after being separated, its compact structure, lightweight; Adopt clamp assembly to fix the structure of valve body under Self-sealing valve upper valve body and Self-sealing valve, can ensure that driving force is less, drive stroke short; Integrated three inclined-planes on pushing block, can ensure logically true, the reliable in action that are separated; By alleviating the whole weight of emergency separating device, and the measures such as craft thread hole being set at valve body, reducing emergency separating device and departing from rear self-healing workload.
Description
Technical field
The present invention relates to cryogen conveying equipment component peculiar to vessel, be specifically related to a kind of low temperature fluid handling arm emergency separating device.
Background technique
Low temperature fluid handling arm can be used for land transportation (comprising train transport and Automobile Transportation) and water transportation (comprising sea transport and rivers transport), and ocean and rivers transport low temperature loading arm are also called low temperature loading arm peculiar to vessel.Low temperature fluid handling arm during operation, once there is emergency (as too large in cryogenic liquid leakage, fire or loading arm stress deformation angle etc.), for ensureing output terminal (filling station etc.) and the safety by note end (boats and ships, automobile etc.), need to complete separation within the shortest time, after being separated, automatically complete the sealing at two ends simultaneously.And general being threaded cannot meet fast separation requirement, in this case, need, in low temperature loading arm, emergency separating device is installed.
Current emergency separating device on the market mainly contains two kinds of structural types, one is two ball-valve structures, although program structural reliability is high, the resistance of the liquid of ball valve is little, but sealability is determined by the performance of ball valve, current cryogenic ball valve quality cannot ensure, simultaneously requiredly promote that ouput force is comparatively large, stroke is longer, complex structure and weight larger; Another kind of structure is two plate valve structures, and program structure is simple, ouput force is less, stroke is shorter, but the difficult sealing of disengaging back valve core and valve body is to ensure.
Summary of the invention
Object of the present invention is exactly the deficiency for above-mentioned technology, provide a kind of driving force little, automatically can be separated and the low temperature fluid handling arm emergency separating device of reliable sealing can be ensured after being separated.
For achieving the above object, low temperature fluid handling arm emergency separating device designed by the present invention, comprise valve body under Self-sealing valve upper valve body, Self-sealing valve, by the clamp assembly of the involutory clamping of valve body under described Self-sealing valve upper valve body and described Self-sealing valve and the oil hydraulic cylinder driving described clamp components apart, be provided with in described Self-sealing valve upper valve body under upper valve core, described Self-sealing valve and be provided with lower valve core in valve body, the head of described upper valve core and the head of described lower valve core are oppositely installed; Described Self-sealing valve upper valve body oral area is equipped with the upper gland nut compressing described Self-sealing valve upper valve body, and overlapping between described upper gland nut and described upper valve core has upper reset spring; Under described Self-sealing valve, valve body oral area is equipped with the lower compression nut compressing valve body under described Self-sealing valve, overlaps and have lower Returnning spring between described lower compression nut and described lower valve core.
Described upper valve core comprises upper valve core body and upper valve core head, is lined with seal ring between described upper valve core body and described upper valve core head; Described upper valve body junction inwall is circumferentially provided with upper valve body faying surface, and described upper seal ring outer periphery face described upper valve body faying surface and coordinate with described upper valve body faying surface.
Described lower valve core comprises lower valve core body and lower valve core head, is lined with lower seal between described lower valve core body and described lower valve core head; Described lower valve body junction inwall is circumferentially provided with lower valve body faying surface, and described lower seal outer periphery face described lower valve body faying surface and coordinate with described lower valve body faying surface.
The second clamp, fork and pushing block that described clamp assembly comprises the first clamp, is rotationally connected with described first clamp, one end of described first clamp is connected by rotating shaft one end with described fork, the other end of described fork is arranged in one end restraining groove of described second clamp, and the lower end of described pushing block to be inserted in through hole that described fork and described first clamp spacing hole enclose formation and to slide up and down and the promotion face of the front of described pushing block and described fork fits; The piston rod of described oil hydraulic cylinder faces the upper-end surface of described pushing block.
Further, the head outer periphery of described upper valve core body are provided with the upper convex surface matched with described upper valve body faying surface, and the head outer periphery of described lower valve core body are provided with the lower convex surface matched with described lower valve body faying surface.When situations such as accident such as breaking out of fires, when seal ring is destroyed, be pressed on valve body faying surface by the convex surface be located on valve core and realize sealing.
Further, the back side of described pushing block has guiding groove, described spacing hole inwall is provided with the screw matched with described guiding groove and makes described pushing block hang in described first clamp; The described pushing block back side is outward extended with postive stop baffle, and the inwall of described spacing hole is provided with the projection matched with described postive stop baffle; The front of described pushing block from bottom to top comprises the first inclined-plane, the second inclined-plane and vertical surface; The side of described pushing block is provided with projection, and the side of described projection is the 3rd inclined-plane promoting described second clamp separation.
Further, under described Self-sealing valve, valve body junction is outward extended with axle, described axle matches with the axis hole of described Self-sealing valve upper valve body junction, make valve body junction under Self-sealing valve upper valve body and Self-sealing valve adopt shaft hole matching, and the axis hole length of described Self-sealing valve upper valve body is greater than the stroke sum that described upper valve core and described lower valve core are closed.
Further, the junction of described Self-sealing valve upper valve body is provided with upper flange, under described Self-sealing valve, the junction of valve body is provided with lower flange, be lined with radial direction seal ring between described upper flange and described lower flange and realize radial seal, described upper flange and described lower flange correspondence are provided with some craft thread holes, for the Butt Assembling of valve body under auxiliary Self-sealing valve upper valve body and Self-sealing valve.
Further, described upper flange inwall has first pin-and-hole, described lower flange inwall has second pin-and-hole corresponding with first pin-and-hole described, stop pin is inserted with in first pin-and-hole described and second pin-and-hole described, on the one hand, stop pin is for preventing the relatively rotating, on the other hand, for the location under auxiliary Self-sealing valve upper valve body and Self-sealing valve during valve body assembling of valve body under Self-sealing valve upper valve body and Self-sealing valve.
Further, the upper surface of described upper flange is provided with the 4th inclined-plane, the lower surface of described lower flange is provided with the 5th inclined-plane, described first clamp and the second clamp inwall are provided with the 6th inclined-plane and the 7th inclined-plane that coordinate with the 4th inclined-plane and the 5th inclined-plane, be convenient to the connection between valve body under Self-sealing valve upper valve body and Self-sealing valve, and make driving force diminish further.
Further, described upper seal ring and described lower seal are teflin ring.
Further, the external diameter of described upper gland nut is greater than the internal diameter of standard flange, the upper standard flange being fixed against the connection of Self-sealing valve upper valve body realizes the locking of upper gland nut, the external diameter of described lower compression nut is greater than the internal diameter of lower standard flange, is fixed against the lower standard flange that valve body connects under Self-sealing valve and realizes the locking of lower compression nut.
Further, described radial direction seal ring adopts spring energy-storage composite sealing ring.
Compared with prior art, the present invention has the following advantages: adopt the lower valve core of valve body under the upper valve core of Self-sealing valve upper valve body and Self-sealing valve to be oppositely installed, when after clamp components apart, the clamping force of valve body under Self-sealing valve upper valve body, Self-sealing valve is disappeared, emergency separating device starts under valve body Action of Gravity Field to depart under Self-sealing valve, in detach procedure, valve port is closed gradually by spool under the style of work of Returnning spring and flowing medium, effectively can ensure the sealability after being separated, its compact structure, lightweight; Adopt clamp assembly to fix the structure of valve body under Self-sealing valve upper valve body and Self-sealing valve, can ensure that driving force is less, drive stroke short; Integrated three inclined-planes on pushing block, can ensure logically true, the reliable in action that are separated; By alleviating the whole weight of emergency separating device, and the measures such as craft thread hole being set at valve body, reducing emergency separating device and departing from rear self-healing workload.
Accompanying drawing explanation
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 perspective view of pushing block and the first clamp in Fig. 1;
Fig. 5 is that the part master of Fig. 4 looks sectional structure schematic diagram.
In figure, each part numbers is as follows: Self-sealing valve upper valve body 1, valve body 2 under Self-sealing valve, first clamp 3, second clamp 4, oil hydraulic cylinder 5 (wherein: piston rod 5.1), pushing block 6 (wherein: vertical surface 6.1, first inclined-plane 6.3, second inclined-plane 6.2, 3rd inclined-plane 6.4), upper reset spring 7, upper valve core body 8, upper valve core head 9, lower valve core head 10, radial direction seal ring 11, lower valve core body 12, upper seal ring 13, upper gland nut 14, lower Returnning spring 15, upper valve body faying surface 16, upper convex surface 17, stop pin 18, craft thread hole 19, fork 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 (wherein: the 6th inclined-plane 27.1), lower flange 28 (wherein: the 7th inclined-plane 28.1), axle 29, restraining groove 30, spacing hole 31, screw 32, guiding groove 33, projection 34, postive stop baffle 35.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Low temperature fluid handling arm emergency separating device shown in composition graphs 1, Fig. 2, comprises Self-sealing valve upper valve body 1, valve body 2 under the upper valve core be arranged in Self-sealing valve upper valve body 1, Self-sealing valve, is arranged on lower valve core under Self-sealing valve in valve body 2, by the clamp assembly of the involutory clamping of valve body 2 under Self-sealing valve upper valve body 1 and Self-sealing valve and the oil hydraulic cylinder 5 driving clamp components apart.
The second clamp 4, fork 20 and pushing block 6 that clamp assembly comprises the first clamp 3, is rotationally connected with the first clamp 3, one end of first clamp 3 is connected by rotating shaft one end with fork 20, and the other end of fork 20 is arranged in one end restraining groove 30 (i.e. rectangle groove) of the second clamp 4; Shown in composition graphs 4, Fig. 5, the lower end of pushing block 6 is inserted into fork 20 and the first clamp 3 spacing hole 31 encloses in the through hole of formation, the back side of pushing block 6 has guiding groove 33, spacing hole 31 inwall is provided with the screw 32 matched with guiding groove 33, pushing block 6 is hung in the first clamp 3 and can slide up and down, and pushing block 6 back side is outward extended with postive stop baffle 35, the inwall of spacing hole 31 is provided with the projection 34 matched with postive stop baffle 35, after clamp assembly is opened, avoid pushing block 6 outwards to overturn and drop; In addition, the front of pushing block 6 and the promotion face of fork 20 fit; The piston rod 5.1 of oil hydraulic cylinder 5 faces the upper-end surface of pushing block 6, makes oil hydraulic cylinder 5 provide the detachment dynamic of emergency separating device.Under Self-sealing valve upper valve body 1 and Self-sealing valve, valve body 2 provides clamping force to clamp by the first clamp 3 and the second clamp 4, and the first clamp 3 and the second clamp 4 provide blessing power by fork 20.The front of the pushing block 6 in the present embodiment from bottom to top comprises the first inclined-plane 6.2, inclined-plane 6.3, second and vertical surface 6.4; The side of pushing block 6 is provided with projection, and the side of projection is the 3rd inclined-plane 6.4 that promotion second clamp 4 is separated.
Upper valve core comprises upper valve core body 8 and the upper valve core head 9 be connected with upper valve core body 8 by screw, seal ring 13 is lined with between upper valve core body 8 and upper valve core head 9, lower valve core comprises lower valve core body 12 and the lower valve core head 10 be connected with lower valve core body 12 by screw, be lined with lower seal 23 between lower valve core body 12 and lower valve core head 10, and upper valve core head 9 and lower valve core head 10 are oppositely installed.In the present embodiment, upper seal ring 13 and lower seal 23 are teflin ring.Self-sealing valve upper valve body 1 oral area is equipped with the upper gland nut 14 compressing Self-sealing valve upper valve body 1, overlaps and have upper reset spring 7 between upper gland nut 14 and upper valve core; Under Self-sealing valve, valve body 2 oral area is equipped with the lower compression nut 24 compressing valve body 2 under Self-sealing valve, overlaps and have lower Returnning spring 15 between lower compression nut 24 and lower valve core.Under Self-sealing valve, valve body 2 junction is outward extended with axle 29, and axle 29 matches with the axis hole of Self-sealing valve upper valve body 1 junction, and under making Self-sealing valve upper valve body 1 and Self-sealing valve, valve body 2 junction adopts shaft hole matching.The axis hole length of Self-sealing valve upper valve body 1 is greater than the stroke sum that upper valve core and lower valve core are closed.In addition, the junction of Self-sealing valve upper valve body 1 is provided with upper flange 27, under Self-sealing valve, the junction of valve body 2 is provided with lower flange 28, and be lined with radial direction seal ring between upper flange 27 and lower flange 28 and realize radial seal 11, in the present embodiment, radial direction seal ring 11 adopts spring energy-storage composite sealing ring.
In the present embodiment, the external diameter of upper gland nut 14 is greater than the internal diameter of standard flange 21, and upper standard law 21 orchid relying on Self-sealing valve upper valve body 1 to connect realizes the locking of upper gland nut 14.In like manner, the external diameter of lower compression nut 24 is greater than the internal diameter of lower standard flange 25, and the lower standard flange 25 that under dependence Self-sealing valve, valve body 2 connects realizes the locking of lower compression nut 24.
Self-sealing valve upper valve body 1 junction inwall is circumferentially provided with upper valve body faying surface 16, and upper seal ring 13 outer periphery face upper valve body faying surface 16 and coordinate with upper valve body faying surface 16; Under Self-sealing valve, valve body 2 junction inwall is circumferentially provided with lower valve body faying surface (not shown), and lower seal 23 outer periphery face lower valve body faying surface and coordinate with lower valve body faying surface.Meanwhile, the head outer periphery of upper valve core body 8 are provided with the upper convex surface 17 matched with upper valve body faying surface 16, and the head outer periphery of lower valve core body 12 are provided with the lower convex surface 22 matched with lower valve body faying surface.
Upper flange 27 and lower flange 28 correspondence are provided with some craft thread holes 19, for the Butt Assembling of valve body 2 under auxiliary Self-sealing valve upper valve body 1 and Self-sealing valve.Upper flange 28 inwall has first pin-and-hole, lower flange 28 inwall has second pin-and-hole corresponding with first pin-and-hole, stop pin 18 is inserted in first pin-and-hole and second pin-and-hole, on the one hand, stop pin 18 is for preventing relatively rotating of Self-sealing valve upper valve body 1 and valve body 2 under Self-sealing valve, on the other hand, for location when valve body 2 assembles under auxiliary Self-sealing valve upper valve body 1 and Self-sealing valve.The upper surface of upper flange 27 is provided with the 4th inclined-plane 27.1, the lower surface of lower flange 28 is provided with the 5th inclined-plane 28.1, first clamp 3 and the second clamp 4 inwall are provided with the 6th inclined-plane and the 7th inclined-plane that coordinate with the 4th inclined-plane and the 5th inclined-plane, be convenient to the connection between valve body under Self-sealing valve upper valve body and Self-sealing valve, and make driving force diminish further.
During normal work, valve body 2 under Self-sealing valve upper valve body 1 and Self-sealing valve is clamped by the inclined-plane be located on upper flange 27 and lower flange 28 by clamp assembly, at clamped position, upper valve core head 9 and lower valve core head 10 are to top, compression upper reset spring 7 and lower Returnning spring 15, and valve port is opened, form fluid passage.
After receiving ejection escape signal, as shown in Figure 3, the piston rod 5.1 of oil hydraulic cylinder 5 promotes pushing block 6, pushing block 6 moves downward, first inclined-plane 6.3 extrudes fork 20 outwards small movements, stiction between pad 26 and the second clamp 4 is converted to kinetic force of friction, move after a segment distance, second inclined-plane 6.2 starts to extrude fork 20 and outwards significantly moves, until fork 20 departs from the restraining groove 30 (i.e. rectangle groove) of the second clamp 4 end, restraining force between first clamp 3 and the second clamp 4 is removed, the 3rd inclined-plane 6.4 being located at pushing block 6 side when pushing block continues to move downward starts to contact the second clamp 4, between the first clamp 3 and the second clamp 4, form Separating force makes two clamps open, clamp assembly is opened, first clamp 3 and the second clamp 4 realize departing from.After clamp components apart, the clamping force of valve body 2 under Self-sealing valve upper valve body 1, Self-sealing valve is disappeared, emergency separating device starts under valve body 2 Action of Gravity Field to depart under Self-sealing valve, and in detach procedure, valve port is closed gradually by spool under the style of work of Returnning spring and flowing medium.
Seal process after separation is: between upper valve core and Self-sealing valve upper valve body 1 be sealed in the effect of upper reset spring 7 under, be pressed on upper valve body faying surface 16 by upper seal ring 13 outer periphery be installed on upper valve core and realize, under being sealed under lower valve core and Self-sealing valve between valve body 2 Returnning spring 15 effect under, be pressed on lower valve body faying surface by lower seal 23 outer periphery be installed on lower valve core and realize.It should be noted that this device employing order turns off design, namely upper valve core is first closed, lower valve core rear enclosed, upper valve core and lower valve core close all completely after radial direction seal ring lost efficacy, when can reduce disengaging to greatest extent, flowing medium leaks.
When unintended emergency situations such as breaking out of fires, seal process after separation is: when being destroyed by teflin ring, the closed upper convex surface 17 by being located at the setting of upper valve core body 8 head outer periphery of upper valve core is pressed on upper valve body faying surface 16 and realizes sealing, and closing of lower valve core is pressed in realization sealing on lower valve body faying surface by the lower convex surface 22 being located at the setting of lower valve core body 12 head outer periphery.
After emergency separating device is separated, by the craft thread hole 19 on upper flange 27 and lower flange 28, carry out the Butt Assembling of auxiliary Self-sealing valve.The spring force overcoming upper reset spring 7 and lower Returnning spring 15 compression generation is needed during Self-sealing valve docking, be connected by screw craft thread hole 19, overcome spring force and spool is compressed to clamped condition, close up the first clamp 3 and the second clamp 4 afterwards, and with fork 20, first clamp 3 and the second clamp 4 are fixed, install rear dismounting process screw.
Claims (10)
1. a low temperature fluid handling arm emergency separating device, comprise valve body (2) under Self-sealing valve upper valve body (1), Self-sealing valve, by the clamp assembly of valve body (2) involutory clamping under described Self-sealing valve upper valve body (1) and described Self-sealing valve and the oil hydraulic cylinder (5) driving described clamp components apart, it is characterized in that: be provided with in described Self-sealing valve upper valve body (1) under upper valve core, described Self-sealing valve and be provided with lower valve core in valve body (2), the head of described upper valve core and the head of described lower valve core are oppositely installed; Described Self-sealing valve upper valve body (1) oral area is equipped with the upper gland nut (14) compressing described Self-sealing valve upper valve body (1), overlaps and have upper reset spring (7) between described upper gland nut (14) and described upper valve core; Under described Self-sealing valve, valve body (2) oral area is equipped with the lower compression nut (24) compressing valve body (2) under described Self-sealing valve, overlaps and have lower Returnning spring (15) between described lower compression nut (24) and described lower valve core;
Described upper valve core comprises upper valve core body (8) and upper valve core head (9), is lined with seal ring (13) between described upper valve core body (8) and described upper valve core head (9); Described Self-sealing valve upper valve body (1) junction inwall is circumferentially provided with upper valve body faying surface (16), and described upper seal ring (13) outer periphery face described upper valve body faying surface (16) and coordinate with described upper valve body faying surface (16);
Described lower valve core comprises lower valve core body (12) and lower valve core head (10), is lined with lower seal (23) between described lower valve core body (12) and described lower valve core head (10); Under described Self-sealing valve, valve body (2) junction inwall is circumferentially provided with lower valve body faying surface, and described lower seal (26) outer periphery face described lower valve body faying surface and coordinate with described lower valve body faying surface;
Described clamp assembly comprises the first clamp (3), the second clamp (4) be rotationally connected with described first clamp (3), fork (20) and pushing block (6), one end of described first clamp (3) is connected by rotating shaft one end with described fork (20), the other end of described fork (20) is arranged in one end restraining groove (30) of described second clamp (4), the lower end of described pushing block (6) to be inserted in through hole that described fork (20) and described first clamp (3) spacing hole (31) enclose formation and to slide up and down, and the promotion face of the front of described pushing block (6) and described fork (20) fits, the piston rod (5.1) of described oil hydraulic cylinder (5) faces the upper-end surface of described pushing block (6).
2. low temperature fluid handling arm emergency separating device according to claim 1, it is characterized in that: the head outer periphery of described upper valve core body (8) are provided with the upper convex surface (17) matched with described upper valve body faying surface (16), the head outer periphery of described lower valve core body (12) are provided with the lower convex surface (22) matched with described lower valve body faying surface.
3. low temperature fluid handling arm emergency separating device according to claim 1 and 2, it is characterized in that: the back side of described pushing block (6) has guiding groove (33), described spacing hole (31) inwall is provided with the screw (32) matched with described guiding groove (33) and makes described pushing block (6) hang on described first clamp (3); Described pushing block (6) back side is outward extended with postive stop baffle (35), and the inwall of described spacing hole (31) is provided with the projection (34) matched with described postive stop baffle (35); The front of described pushing block (6) from bottom to top comprises the first inclined-plane (6.3), the second inclined-plane (6.2) and vertical surface (6.1); The side of described pushing block (6) is provided with projection, and the side of described projection is the 3rd inclined-plane (6.4) that described second clamp (4) of promotion is separated.
4. low temperature fluid handling arm emergency separating device according to claim 1 and 2, it is characterized in that: under described Self-sealing valve, valve body (2) junction is outward extended with axle (30), described axle (30) matches with the axis hole of described Self-sealing valve upper valve body (1) junction, and the axis hole length of described Self-sealing valve upper valve body (1) is greater than the stroke sum that described upper valve core and described lower valve core are closed.
5. low temperature fluid handling arm emergency separating device according to claim 1 and 2, it is characterized in that: the junction of described Self-sealing valve upper valve body (1) is provided with upper flange (27), under described Self-sealing valve, the junction of valve body (2) is provided with lower flange (28), be lined with radial direction seal ring (11) between described upper flange (27) and described lower flange (28), described upper flange (27) and described lower flange (28) correspondence are provided with some craft thread holes (19).
6. low temperature fluid handling arm emergency separating device according to claim 5, it is characterized in that: described upper flange (27) inwall has first pin-and-hole, described lower flange (28) inwall has second pin-and-hole corresponding with first pin-and-hole described, is inserted with stop pin (18) in first pin-and-hole described and second pin-and-hole described.
7. low temperature fluid handling arm emergency separating device according to claim 5, it is characterized in that: the lower surface of described upper flange (27) is provided with the 4th inclined-plane (27.1), the upper surface of described lower flange (28) is provided with the 5th inclined-plane (28.1), and described first clamp (3) and the second clamp (4) inwall are provided with the 6th inclined-plane and the 7th inclined-plane that coordinate with the 4th inclined-plane (27.1) and the 5th inclined-plane (28.1).
8. low temperature fluid handling arm emergency separating device according to claim 1 and 2, is characterized in that: described upper seal ring (13) and described lower seal (23) are teflin ring.
9. low temperature fluid handling arm emergency separating device according to claim 1 and 2, it is characterized in that: the external diameter of described upper gland nut (14) is greater than the internal diameter of standard flange (21), and the external diameter of described lower compression nut (24) is greater than the internal diameter of lower standard flange (25).
10. low temperature fluid handling arm emergency separating device according to claim 1 and 2, is characterized in that: described radial direction seal ring (11) adopts spring energy-storage composite sealing ring.
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| 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 |
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| CN201510678871.3A CN105221932B (en) | 2015-10-19 | 2015-10-19 | Low temperature fluid handling arm emergency separating device |
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| CN105221932B CN105221932B (en) | 2017-12-26 |
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| CN110476002A (en) * | 2017-02-10 | 2019-11-19 | 东京贸易工程株式会社 | The ejection escape mechanism of fluid assembly and disassembly device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110476002A (en) * | 2017-02-10 | 2019-11-19 | 东京贸易工程株式会社 | The ejection escape mechanism of fluid assembly and disassembly device |
| US11079051B2 (en) | 2017-02-10 | 2021-08-03 | TB Global Technologies Ltd. | Emergency detachment mechanism for fluid handling device |
| 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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| CN105221932B (en) | 2017-12-26 |
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