CN109373095A - A kind of anti-whipping part of high energy pipeline - Google Patents
A kind of anti-whipping part of high energy pipeline Download PDFInfo
- Publication number
- CN109373095A CN109373095A CN201811508638.0A CN201811508638A CN109373095A CN 109373095 A CN109373095 A CN 109373095A CN 201811508638 A CN201811508638 A CN 201811508638A CN 109373095 A CN109373095 A CN 109373095A
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- China
- Prior art keywords
- piston
- check valve
- piston rod
- high energy
- cylinder barrel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of anti-whipping parts of high energy pipeline, including mounting base, right end cap, check valve, piston component, piston rod, cylinder barrel, left end cap, bracket, protective cover, auxiliary fuel tank spring, auxiliary fuel tank piston and follow spring etc., the present invention proposes a kind of anti-whipping part of high energy pipeline, utilize the Following effect for following spring, keep bracket that high energy pipeline is followed to move together always, the normally opened function of low speed of reversed open type check valve is utilized simultaneously, it is flowed by working fluid low-speed reverse and forward flow, meet the requirement of high energy pipeline thermal walking, utilize the blocking function of reversed open type check valve, limit the speed of high energy pipeline whipping, the whipping energy of final limitation high energy pipeline.The present invention can be equipped with the installation foundation of effective protection high energy pipeline and related significant, be with a wide range of applications.
Description
Technical field
The present invention relates to a kind of protective devices for high energy pipeline, and in particular to a kind of anti-whipping part of high energy pipeline is arrived,
Belong to electrically and field of electromechanical technology.
Background technique
Currently, high energy pipeline is prevalent in the industries such as electric power, chemical industry, for high energy pipeline, once it is broken, it will
Whipping phenomenon occurs, the whipping energy of high energy pipeline is continued to increase, if do not limited due to the sustained firing of high steam
System, can generate safety accident very serious.The anti-throw protection device generally used now includes the knot such as U-bar, compressive strain, gate
Configuration formula, for the requirement for meeting high energy pipeline thermal walking, existing anti-throw protection device, it is necessary to keep certain heat with high energy pipeline
Displacement safe distance, and this reserved safe distance, when high energy pipeline is broken, the effect of high steam, so that high
Energy pipeline obtains very big whipping kinetic energy, and existing anti-throw protection device passes through the plastic deformation of metal material again, absorbs whipping
Energy.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of anti-whipping parts of high energy pipeline.
Technical scheme is as follows:
A kind of anti-whipping part of high energy pipeline, including mounting base, right end cap, check valve, piston component, piston rod, cylinder barrel, left end
Lid, bracket, protective cover, auxiliary fuel tank spring, auxiliary fuel tank piston and follow spring；
The right part of the piston rod offer axially through piston rod axial passage；
The check valve is reversed open type check valve, and oil inlet is forward flow to the flowing of oil outlet, belongs to normally open；
Oil outlet is reverse flow to the flowing of oil inlet, and when working fluid low speed flows to oil inlet from oil outlet, check valve is in
Reversed opening state, when working fluid is greater than certain value from the speed that oil outlet flows to oil inlet, (definite value of speed is according to reality
Border service condition determines), check valve is in reversed closed state；
The check valve is mounted in piston rod right part, and the left side of check valve is connected with check valve in-line, check valve
Right side is connected with check valve vent line, and the left side of check valve in-line is connected with piston rod axial passage；
The bracket includes arc pallet and bracket connector, and arc pallet and bracket connector are integrally welded, arc pallet
For resisting high energy pipeline to be acted on, the bracket is sleeved on the left end of piston rod, and by being formed between screw and piston rod
It is reliably connected；
The protective cover includes protection cowl top panel and protection sleeve pipe, protects cowl top panel and protection sleeve pipe integrally welded；
The right end cap is mounted on the right end of cylinder barrel, and is formed and be reliably connected, and is formed between right end cap and the inner wall of cylinder barrel reliable
Sealing；
The piston component and piston rod are reliably connected integrally, and sealing element is equipped between piston component and piston rod, connection
In integral piston component and piston rod insertion cylinder barrel, guidance tape and sealing are provided between piston component and the inner wall of cylinder barrel
It being formed and is slidably matched between the inner wall of part, piston component and cylinder barrel, piston component can be realized in the inside of cylinder barrel and be moved left and right,
Working chamber A is formed between the right side of piston component and the left side of right end cap, check valve vent line is connected with working chamber A；
The auxiliary fuel tank piston bush dress on the piston rod, and is fit into cylinder barrel, auxiliary fuel tank piston and piston rod and cylinder barrel it
Between sealing element is installed, formed and be slidably matched between auxiliary fuel tank piston and piston rod and cylinder barrel, auxiliary fuel tank piston is able to carry out a left side
It moves right, the right side of auxiliary fuel tank piston and the left side of piston component form annular auxiliary oil pocket B；
The auxiliary fuel tank spring pocket is on the spring base of auxiliary fuel tank piston left end；
The left end cap suit on the piston rod, and is reliably connected the left end of cylinder barrel, and the boss of left end cap right end is inserted into auxiliary oil
In the left end of case spring, guidance tape is provided between left end cap and piston rod；
The protective cover left end is sleeved on the left side of piston rod, and right end is sleeved on cylinder barrel；
The periphery for following spring pocket to be mounted in protective cover, left end push against protection cowl top panel；
The mounting base is reliably connected by screw and right end cap formation, and spring right end is followed to push against mounting base；
Equal fill duty oil liquid in the working chamber A and auxiliary oil pocket B and relevant connection channel；
The anti-whipping part of high energy pipeline is installed on pedestal by mounting base.
Above-mentioned check valve may exist micro reverse flow in blocking, working fluid.
Advantageous effects of the invention:
The present invention proposes a kind of anti-whipping part of high energy pipeline, using the Following effect for following spring, bracket is kept to follow height always
Energy pipeline moves together, while using the normally opened function of low speed of reversed open type check valve, passing through working fluid low-speed reverse stream
Dynamic and forward flow, meets the requirement of high energy pipeline thermal walking, using the blocking function of reversed open type check valve, limits high energy
The speed of pipeline whipping, the final whipping energy for limiting high energy pipeline.The present invention can be with the installation base of effective protection high energy pipeline
Plinth and related significant equipment, particularly suitable for the anti-whipping accident of high energy pipeline in nuclear power plant nuclear island, performance safeguard protection
Effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of anti-whipping part of high energy pipeline, including mounting base 1, right end cap 2, check valve 3, piston component
4, piston rod 5, cylinder barrel 6, left end cap 7, bracket 8, protective cover 10, auxiliary fuel tank spring 11, auxiliary fuel tank piston 12 and spring 13 is followed；
The right part of the piston rod 5 offer axially through piston rod axial passage 5-1；
The check valve 3 is reversed open type check valve, and oil inlet is forward flow to the flowing of oil outlet, belongs to normally opened shape
State；Oil outlet to the flowing of oil inlet be reverse flow, when working fluid low speed flows to oil inlet from oil outlet, check valve 3
In reversed opening state, when working fluid is greater than certain value from the speed that oil outlet flows to oil inlet, check valve 3 is in anti-
To closed state；
The check valve 3 is mounted in 5 right part of piston rod, and the left side of check valve 3 is connected with check valve in-line 3-1, single
It is connected to the right side of valve 3 with check valve vent line 3-2, left side and the piston rod axial passage 5-1 phase of check valve in-line 3-1
Connection；
The bracket 8 includes that arc pallet 8-1 and bracket connector 8-2, arc pallet 8-1 and bracket connector 8-2 are welded into
One, for arc pallet 8-1 for resisting high energy pipeline 9 to be acted on, the bracket 8 is sleeved on the left end of piston rod 5, and passes through spiral shell
It is formed and is reliably connected between nail and piston rod 5；
The protective cover 10 includes protection cowl top panel 10-1 and protection sleeve pipe 10-2, protects cowl top panel 10-1 and protection sleeve pipe 10-2
It is integrally welded；
The right end cap 2 is mounted on the right end of cylinder barrel 6, and is formed and be reliably connected, and is formed between right end cap 2 and the inner wall of cylinder barrel 6
Reliable sealing；
The piston component 4 and piston rod 5 are reliably connected integrally, are equipped with sealing element between piston component 4 and piston rod 5,
In piston component 4 and piston rod 5 the insertion cylinder barrel 6 to link into an integrated entity, it is provided with and leads between piston component 4 and the inner wall of cylinder barrel 6
To band and sealing element, is formed and be slidably matched between piston component 4 and the inner wall of cylinder barrel 6, piston component 4 can be in cylinder barrel 6
Portion realizes and moves left and right, and working chamber A, check valve vent line 3-2 are formed between the right side of piston component 4 and the left side of right end cap 2
It is connected with working chamber A；
The auxiliary fuel tank piston 12 is sleeved on piston rod 5, and is fit into cylinder barrel 6, auxiliary fuel tank piston 12 and piston rod 5 and
Sealing element is installed between cylinder barrel 6, is formed and is slidably matched between auxiliary fuel tank piston 12 and piston rod 5 and cylinder barrel 6, auxiliary fuel tank piston
12 are able to carry out and move left and right, and the right side of auxiliary fuel tank piston 12 and the left side of piston component 4 form the auxiliary oil pocket B of annular；
The auxiliary fuel tank spring 11 is sleeved on the spring base of auxiliary 12 left end of fuel tank piston；
The left end cap 7 is sleeved on piston rod 5, and is reliably connected the left end of cylinder barrel 6, the boss insertion of 7 right end of left end cap
In the left end of auxiliary fuel tank spring 11, guidance tape is provided between left end cap 7 and piston rod 5；
10 left end of protective cover is sleeved on the left side of piston rod 5, and right end is sleeved on cylinder barrel 6；
The periphery for following spring 13 to be sleeved on protective cover 10, left end push against protection cowl top panel 10-1；
The mounting base 1 is reliably connected by screw and the formation of right end cap 2, and 18 right end of spring is followed to push against mounting base 1；
Equal fill duty oil liquid in the working chamber A and auxiliary oil pocket B and relevant connection channel；
The anti-whipping part of high energy pipeline is installed on pedestal by mounting base 1.
Above-mentioned check valve 3 may exist micro reverse flow in blocking, working fluid.
The course of work:
A kind of anti-whipping part of high energy pipeline is installed on pedestal by mounting base 1, under the action of following spring 13, protective cover
10 drive brackets 8, piston rod 5, piston component 4 are moved to the left, and bracket 8 pushes against high energy pipeline 9, a kind of anti-whipping part of high energy pipeline
In a state of nature.When design, optimization follows the relevant parameter of spring 13, so that bracket 8 is working normally feelings to high energy pipeline 9
Acting thrust under condition is minimum.
The thermal potential shifting state of high energy pipeline:
High energy pipeline 9 generates thermal walking to the left, at this point, a kind of anti-whipping part of high energy pipeline is installed to base by mounting base 1
On seat, under the action of following spring 13, protective cover 10 drives bracket 8, piston rod 5, piston component 4, is slowly moved to the left, auxiliary
Fuel tank piston 12 moves right under the action of auxiliary fuel tank spring 11, pushes oil liquid in auxiliary oil pocket B by piston rod to logical
Road 5-1, check valve in-line 3-1, check valve 3, check valve vent line 3-2, forward direction enter working chamber A, and bracket 8 pushes against high energy pipe
Road 9；
High energy pipeline 9 generates thermal walking to the right, at this point, high energy pipeline 9 drives bracket 8, protective cover 10, piston rod 5, piston group
Part 4 overcomes the active force for following spring 13, slowly moves right, since the thermal walking speed of high energy pipeline 9 is lower, working chamber A
In oil liquid by check valve vent line 3-2, check valve 3, check valve in-line 3-1, piston rod axial passage 5-1, it is reversed low
Speed flows into auxiliary oil pocket B, and auxiliary fuel tank piston 12 overcomes the active force of auxiliary fuel tank spring 11, is moved to the left, and bracket 8 pushes against high energy pipeline
9。
High energy pipeline generates whipping movement to the right:
High energy pipeline 9 generates whipping movement to the right, at this point, high energy pipeline 9 drives bracket 8, protective cover 10, piston rod 5, piston
Component 4 overcomes the active force for following spring 13, moves right, and the oil liquid in working chamber A passes through check valve vent line 3-2, unidirectional
Valve 3, check valve in-line 3-1, piston rod axial passage 5-1, reversely flow into auxiliary oil pocket B, when the oil liquid for reversely flowing through check valve 3
Flow velocity when reaching setting value, check valve 3 is reversely closed, and blocking is formed, and working chamber A generates high pressure, balances high energy pipeline
The sustained firing power that high steam generates when fracture.The locking velocity for setting lower check valve 3, can limit height to greatest extent
Energy pipeline under the action of high steam, forms excessively high whipping kinetic energy in fracture, avoids high energy pipeline whipping to installation base
The destruction of plinth.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of anti-whipping part of high energy pipeline, it is characterised in that: including mounting base (1), right end cap (2), check valve (3), live
Plug assembly (4), piston rod (5), cylinder barrel (6), left end cap (7), bracket (8), protective cover (10), auxiliary fuel tank spring (11), auxiliary oil
It case piston (12) and follows spring (13)；
The right part of the piston rod (5) offer axially through piston rod axial passage (5-1)；
The check valve (3) is reversed open type check valve, and oil inlet is forward flow to the flowing of oil outlet, belongs to normally opened shape
State；Oil outlet to the flowing of oil inlet be reverse flow, when working fluid low speed flows to oil inlet from oil outlet, check valve
(3) it is in reversed opening state, when working fluid is greater than certain value from the speed that oil outlet flows to oil inlet, check valve (3)
In reversed closed state；
The check valve (3) is mounted in piston rod (5) right part, left side and check valve in-line (3-1) phase of check valve (3)
Connection, the right side of check valve (3) are connected with check valve vent line (3-2), the left side of check valve in-line (3-1) and piston rod
Axial passage (5-1) is connected；
The bracket (8) includes arc pallet (8-1) and bracket connector (8-2), arc pallet (8-1) and bracket connector
(8-2) is integrally welded, and for arc pallet (8-1) for resisting high energy pipeline (9) to be acted on, the bracket (8) is sleeved on piston
The left end of bar (5), and be reliably connected by being formed between screw and piston rod (5)；
The protective cover (10) includes protection cowl top panel (10-1) and protection sleeve pipe (10-2), protects cowl top panel (10-1) and protects
Casing (10-2) is integrally welded；
The right end cap (2) is mounted on the right end of cylinder barrel (6), and is formed and be reliably connected, the inner wall of right end cap (2) and cylinder barrel (6)
Between form reliable sealing；
The piston component (4) and piston rod (5) are reliably connected integrally, are equipped between piston component (4) and piston rod (5)
Sealing element, the piston component to link into an integrated entity (4) and piston rod (5) insertion cylinder barrel (6) are interior, piston component (4) and cylinder barrel (6)
It is provided with guidance tape and sealing element between inner wall, is formed and is slidably matched between piston component (4) and the inner wall of cylinder barrel (6), piston
Component (4) can be realized in the inside of cylinder barrel (6) and be moved left and right, between the right side of piston component (4) and the left side of right end cap (2)
Working chamber A is formed, check valve vent line (3-2) is connected with working chamber A；
The auxiliary fuel tank piston (12) is sleeved on piston rod (5), and is fit into cylinder barrel (6), auxiliary fuel tank piston (12) and
Sealing element is installed between piston rod (5) and cylinder barrel (6), is formed between auxiliary fuel tank piston (12) and piston rod (5) and cylinder barrel (6)
It is slidably matched, auxiliary fuel tank piston (12), which is able to carry out, to be moved left and right, the right side of auxiliary fuel tank piston (12) and a left side for piston component (4)
Side forms the auxiliary oil pocket B of annular；
The auxiliary fuel tank spring (11) is sleeved on the spring base of auxiliary fuel tank piston (12) left end；
The left end cap (7) is sleeved on piston rod (5), and is reliably connected the left end of cylinder barrel (6), left end cap (7) right end
Boss is inserted into the left end of auxiliary fuel tank spring (11), is provided with guidance tape between left end cap (7) and piston rod (5)；
Protective cover (10) left end is sleeved on the left side of piston rod (5), and right end is sleeved on cylinder barrel (6)；
The periphery for following spring (13) to be sleeved on protective cover (10), left end push against protection cowl top panel (10-1)；
The mounting base (1) is formed with right end cap (2) by screw and is reliably connected, and spring (18) right end is followed to push against installation bottom
Plate (1)；
Equal fill duty oil liquid in the working chamber A and auxiliary oil pocket B and relevant connection channel；
The anti-whipping part of high energy pipeline is installed on pedestal by mounting base (1).
2. the anti-whipping part of a kind of high energy pipeline according to claim 1, it is characterised in that: the check valve (3) is being latched
State, working fluid may exist micro reverse flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508638.0A CN109373095A (en) | 2018-12-11 | 2018-12-11 | A kind of anti-whipping part of high energy pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508638.0A CN109373095A (en) | 2018-12-11 | 2018-12-11 | A kind of anti-whipping part of high energy pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109373095A true CN109373095A (en) | 2019-02-22 |
Family
ID=65373104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508638.0A Pending CN109373095A (en) | 2018-12-11 | 2018-12-11 | A kind of anti-whipping part of high energy pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373095A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429984A (en) * | 2008-12-01 | 2009-05-13 | 江阴强顺科技有限公司 | Hydraulic damper with excellent leak tightness |
| CN102395808A (en) * | 2009-04-15 | 2012-03-28 | 阿图罗萨里斯有限公司 | Decelerating device |
| CN205663807U (en) * | 2016-06-06 | 2016-10-26 | 杜成华 | Attenuator and use this attenuator move door or drawer |
| CN106090440A (en) * | 2016-06-16 | 2016-11-09 | 清华大学 | One kind firm supporting damping framework |
| CN106246792A (en) * | 2016-09-28 | 2016-12-21 | 山东文捷智能动力有限公司 | Self-adjustable vehicle vibration damping device and shock-dampening method |
-
2018
- 2018-12-11 CN CN201811508638.0A patent/CN109373095A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429984A (en) * | 2008-12-01 | 2009-05-13 | 江阴强顺科技有限公司 | Hydraulic damper with excellent leak tightness |
| CN102395808A (en) * | 2009-04-15 | 2012-03-28 | 阿图罗萨里斯有限公司 | Decelerating device |
| CN205663807U (en) * | 2016-06-06 | 2016-10-26 | 杜成华 | Attenuator and use this attenuator move door or drawer |
| CN106090440A (en) * | 2016-06-16 | 2016-11-09 | 清华大学 | One kind firm supporting damping framework |
| CN106246792A (en) * | 2016-09-28 | 2016-12-21 | 山东文捷智能动力有限公司 | Self-adjustable vehicle vibration damping device and shock-dampening method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |
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| RJ01 | Rejection of invention patent application after publication |