CN109708837A - A kind of high energy pipeline whipping simulation test bench system - Google Patents
A kind of high energy pipeline whipping simulation test bench system Download PDFInfo
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- CN109708837A CN109708837A CN201811645188.XA CN201811645188A CN109708837A CN 109708837 A CN109708837 A CN 109708837A CN 201811645188 A CN201811645188 A CN 201811645188A CN 109708837 A CN109708837 A CN 109708837A
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- high energy
- whipping
- energy pipeline
- oil
- test bench
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Abstract
It is an object of the invention to disclose a kind of high energy pipeline whipping simulation test bench system, it includes fuel tank, oil pump, proportional pressure control valve, servo valve, impact oil cylinder, accumulator, simulation high energy pipeline impact head, anti-whipping testpieces and mounting seat；Compared with prior art, the high speed impetus that impact oil cylinder is generated by high pressure nitrogen, it is capable of providing accurate retentivity and impact energy, the whipping process of correct simulation high energy pipeline, the important parameters such as the deformation that support reaction, the anti-throw protection device that high energy pipeline is formed during whipping generate are obtained, structure is simple, further increases the security level of high energy pipeline, it is with a wide range of applications, achieves the object of the present invention.
Description
Technical field
The present invention relates to a kind of simulation test bench system, in particular to it is a kind of for high energy pipeline occur whipping when high energy
Pipeline whipping simulation test bench system.
Background technique
Currently, high energy pipeline is widely used 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.
In the prior art, the whipping energy that high energy pipeline is generally absorbed by anti-throw protection device, but without corresponding
Testboard system carries out reasonable simulation test to high energy pipeline anti-throw protection device.
It is accordingly required in particular to which a kind of high energy pipeline whipping simulation test bench system, above-mentioned existing to solve the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of high energy pipeline whipping simulation test bench systems, not for the prior art
Foot, is capable of providing accurate retentivity and impact energy, and the correct whipping process for simulating high energy pipeline obtains high energy pipeline and getting rid of
The important parameters such as the deformation that support reaction, the anti-throw protection device formed during hitting generates, structure is simple, before having a wide range of applications
Scape.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of high energy pipeline whipping simulation test bench system, which is characterized in that it include fuel tank, oil pump, proportional pressure control valve,
Servo valve, impact oil cylinder, accumulator, simulation high energy pipeline impact head, anti-whipping testpieces and mounting seat；The fuel tank difference
It is connected with the oil return opening of the oil inlet of the oil pump, the oil outlet of the proportional pressure control valve and the servo valve, the oil pump
Oil outlet be connected respectively with the oil inlet of the oil inlet of the servo valve and the proportional pressure control valve by check valve, it is described
First oil outlet of servo valve with it is described impact oil cylinder lower working chamber be connected, it is described impact oil cylinder upper working chamber with it is described
The working chamber of accumulator is connected, and the piston-rod lower end of the impact oil cylinder passes through a counter flange and the simulation high energy pipeline
The upper end of impact head is connected, and the lower end of the simulation high energy pipeline impact head, the mistake is arranged in the anti-whipping testpieces
It crosses on flange and displacement sensor and velocity sensor is connected with by measuring rod respectively, the lower end of the anti-whipping testpieces passes through
At least a force snesor is mounted in the mounting seat.
In one embodiment of the invention, the fuel tank is connected by the first oil filter with the oil inlet of the oil pump
Logical, the fuel tank is connected by third oil filter with the oil outlet of the proportional pressure control valve.
In one embodiment of the invention, the oil outlet of the oil pump is connected by the second oil filter with the check valve
It is logical.
In one embodiment of the invention, the rack that the accumulator is mounted on high energy pipeline whipping simulation test bench is stood
On column, working chamber is provided in the accumulator.
In one embodiment of the invention, the impact oil cylinder is mounted on the simulation of high energy pipeline whipping by mounting flange
The upper surface of the rack upper mounting plate of testboard, the piston rod of the impact oil cylinder is through rack upper mounting plate and from rack upper mounting plate
Lower surface is stretched out.
In one embodiment of the invention, institute's displacement sensors run through the rack of high energy pipeline whipping simulation test bench
Upper mounting plate is simultaneously mounted on the rack on platform, and the measuring rod of institute's displacement sensors is threadedly coupled to institute by measuring rod lower end
It states on counter flange.
In one embodiment of the invention, the velocity sensor runs through the rack of high energy pipeline whipping simulation test bench
Upper mounting plate is simultaneously mounted on the rack on platform, and the measuring rod of the velocity sensor is threadedly coupled to institute by measuring rod lower end
It states on counter flange.
In one embodiment of the invention, the second oil outlet of the servo valve is in blocked state or the servo
Second oil outlet of valve is connected by pipeline with the fuel tank.
In one embodiment of the invention, the anti-whipping testpieces is mounted on the upper surface of an anti-whipping part mounting plate
On, the lower end of the force snesor is reliably mounted in mounting seat, and the upper end of force snesor is formed with anti-whipping part mounting plate
It is reliably connected.
High energy pipeline whipping simulation test bench system of the invention, compared with prior art, by high pressure nitrogen to impact
The high speed impetus that oil cylinder generates, is capable of providing accurate retentivity and impact energy, the correct whipping for simulating high energy pipeline
Process obtains the important parameters such as the deformation that support reaction, the anti-throw protection device that high energy pipeline is formed during whipping generate, structure
Simply, the security level for further increasing high energy pipeline, is with a wide range of applications, and achieves the object of the present invention.
The features of the present invention sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clearly
Solution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high energy pipeline whipping simulation test bench system of the invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment
As shown in Figure 1, high energy pipeline whipping simulation test bench system of the invention, it includes that fuel tank 1, oil pump 3, ratio are overflow
Flow valve 7, servo valve 8, impact oil cylinder 9, accumulator 10, simulation high energy pipeline impact head 15, anti-whipping testpieces 16 and installation bottom
Seat 19.
The oil inlet of first oil filter 2 is connected by the first pipeline 11-1 with fuel tank 1, the oil outlet of the first oil filter 2
It is connected by the second pipeline 11-2 with the oil inlet of oil pump 3；The oil inlet of second oil filter 4 passes through third pipeline 11-3 and oil
The oil outlet of pump 3 is connected, and the oil outlet of the second oil filter 4 is connected by the 4th pipeline 11-4 with the oil inlet of check valve 5.
The oil inlet of proportional pressure control valve 7 is connected by the 6th pipeline 11-6 with the 5th pipeline 11-5, proportional pressure control valve 7
Oil outlet is connected by the 7th pipeline 11-7 with the oil inlet of third oil filter 6；The oil outlet of third oil filter 6 passes through the 8th
Pipeline 11-8 is connected with fuel tank 1.
The machine that impact oil cylinder 9 is mounted on high energy pipeline whipping simulation test bench by impacting the mounting flange of 9 lower part of oil cylinder
The piston rod of the upper surface of frame upper mounting plate, impact oil cylinder 9 is stretched out through rack upper mounting plate and from the lower surface of rack upper mounting plate, punching
It hits inside oil cylinder 9 and upper working chamber A and lower working chamber B is divided by piston, the top of impact oil cylinder 9 passes through the 11st pipeline 11-
11 are connected with the exhaust outlet of accumulator 9, i.e. the upper working chamber A of impact oil cylinder 9 passes through the 11st pipeline 11-11 and accumulator 10
Working chamber C be connected, the lower working chamber B of impact oil cylinder 9 passes through the first oil outlet phase of the tenth pipeline 11-10 and servo valve 8
The piston-rod lower end of connection, impact oil cylinder 9 is connected with counter flange 12.
The working chamber C of the accumulator 10 and upper working chamber A and the 11st connecting line 11- between the two for impacting oil cylinder 9
In 11, the requirement of retentivity is tested according to whipping, fills the high pressure nitrogen being equipped with corresponding to retentivity in advance.
The oil inlet of servo valve 8 is connected by the 5th pipeline 11-5 with the oil outlet of check valve 5, the oil return of servo valve 8
Mouth is connected by the 9th pipeline 11-9 with fuel tank 1, and the first oil outlet of servo valve 8 is oily by the tenth pipeline 11-10 and impact
The lower working chamber B of cylinder 9 is connected；Second oil outlet of servo valve 8 may be at blocked state, can also pass through pipeline and fuel tank
1 is connected.
Accumulator 10 is mounted on the framework pillar (not indicating in figure) of high energy pipeline whipping simulation test bench, accumulator 10
There are working chamber C for inside.
Displacement sensor 13 runs through the rack upper mounting plate (not indicating in figure) of high energy pipeline whipping simulation test bench and installs
On the rack on platform, measuring rod being threadedly coupled on counter flange 12 by measuring rod lower end of displacement sensor 13；Speed
Degree sensor 14 runs through the rack upper mounting plate of high energy pipeline whipping simulation test bench and is mounted on the rack on platform, velocity pick-up
The measuring rod of device 14 is threadedly coupled on counter flange 12 by measuring rod lower end.
Simulation 15 upper end of high energy pipeline impact head is reliably connected with the formation of counter flange 12, simulates high energy pipeline impact head 15
Lower part is the impact head for simulating high energy pipeline shape；
Anti- whipping testpieces 16 is mounted on the upper surface of anti-whipping part mounting plate 17；Reliably pacify the lower end of force snesor 18
In mounting seat 19, the upper end of force snesor 18 is reliably connected with the formation of anti-whipping part mounting plate 17；Force snesor 18 can
Multiple combinations is used also can according to need with one.
The course of work of high energy pipeline whipping simulation test bench system of the invention is as follows:
Start oil pump 3, is tested according to whipping in the setting value of retentivity and the working chamber C of accumulator 10 and fill the elevated pressure nitrogen set
The pressure value of gas sets the operating pressure of hydraulic system by proportional pressure control valve 7.
Impact the lifting process at a slow speed of oil cylinder 9: driving servo valve 8 is in upper small open state, the height that oil pump 3 exports
Pressure oil, by the second oil filter 4, check valve 5, servo valve 8 it is upper, into impact oil cylinder 9 lower working chamber B, high pressure oil make
Used in the piston lower surface of impact oil cylinder 9, upward active force is generated, overcomes the upper working chamber A mesohigh nitrogen of impact oil cylinder 9
Active force and piston, piston rod, the counter flange 12, the mass force for simulating high energy pipeline impact head 15 formed to piston upper surface
And associated friction force, realize the promotion at a slow speed of impact oil cylinder 9, at this point, by the output signal of acquisition displacement sensor 13, tracking
Impact the displacement that oil cylinder 9 is promoted.
Impact oil cylinder 9 simulates high energy pipeline whipping process: when the displacement that impact oil cylinder 9 is promoted reaches corresponding whipping energy
When the requirement of amount, control servo valve 8 switches at high speed the lower working chamber B that oil cylinder 9 is impacted to the next operating position quickly through the tenth
Pipeline 11-10, the bottom of servo valve 8, the 9th pipeline 11-9 are connected with fuel tank 1, high in the upper working chamber A of impact oil cylinder 9
Under the action of the pressure and correlated quality power of pressing nitrogen, the piston driving piston rod, counter flange 12 and simulation for impacting oil cylinder 9 are high
Energy pipeline impact head 15, is formed down high speed impact, and simulation 15 high speed of high energy pipeline impact head is pounded to anti-whipping testpieces 16, mould
The whipping process of quasi- high energy pipeline, at this point, passing through the displacement signal of high speed acquisition displacement sensor 13, the speed of velocity sensor 14
Signal is spent, the force signal of force snesor 18 carries out relevant treatment, forms correlation curve and report.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of high energy pipeline whipping simulation test bench system, which is characterized in that it includes fuel tank, oil pump, proportional pressure control valve, watches
Take valve, impact oil cylinder, accumulator, simulation high energy pipeline impact head, anti-whipping testpieces and mounting seat；The fuel tank respectively with
The oil inlet of the oil pump, the proportional pressure control valve oil outlet be connected with the oil return opening of the servo valve, the oil pump
Oil outlet is connected with the oil inlet of the oil inlet of the servo valve and the proportional pressure control valve respectively by check valve, described to watch
The first oil outlet for taking valve is connected with the lower working chamber of the impact oil cylinder, the upper working chamber and the storage of the impact oil cylinder
The working chamber of energy device is connected, and the piston-rod lower end of the impact oil cylinder is rushed by a counter flange and the simulation high energy pipeline
The upper end tapped the head is connected, and the lower end of the simulation high energy pipeline impact head, the transition is arranged in the anti-whipping testpieces
Displacement sensor and velocity sensor are connected with by measuring rod respectively on flange, the lower end of the anti-whipping testpieces is by extremely
A few force snesor is mounted in the mounting seat.
2. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the fuel tank passes through first
Oil filter is connected with the oil inlet of the oil pump, and the fuel tank passes through the oil outlet of third oil filter and the proportional pressure control valve
It is connected.
3. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the oil outlet of the oil pump
It is connected by the second oil filter with the check valve.
4. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the accumulator is mounted on
On the framework pillar of high energy pipeline whipping simulation test bench, working chamber is provided in the accumulator.
5. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the impact oil cylinder passes through
Mounting flange is mounted on the upper surface of the rack upper mounting plate of high energy pipeline whipping simulation test bench, the piston rod of the impact oil cylinder
It is stretched out through rack upper mounting plate and from the lower surface of rack upper mounting plate.
6. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that institute's displacement sensors pass through
It wears the rack upper mounting plate of high energy pipeline whipping simulation test bench and is mounted on the rack on platform, the measurement of institute's displacement sensors
Bar is threadedly coupled on the counter flange by measuring rod lower end.
7. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the velocity sensor passes through
It wears the rack upper mounting plate of high energy pipeline whipping simulation test bench and is mounted on the rack on platform, the measurement of the velocity sensor
Bar is threadedly coupled on the counter flange by measuring rod lower end.
8. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the second of the servo valve
Oil outlet is connected by pipeline with the fuel tank in the second oil outlet of blocked state or the servo valve.
9. high energy pipeline whipping simulation test bench system as described in claim 1, which is characterized in that the anti-whipping testpieces
It is mounted on the upper surface of an anti-whipping part mounting plate, the lower end of the force snesor is reliably mounted in mounting seat, and power passes
The upper end of sensor is reliably connected with the formation of anti-whipping part mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811645188.XA CN109708837A (en) | 2018-12-29 | 2018-12-29 | A kind of high energy pipeline whipping simulation test bench system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645188.XA CN109708837A (en) | 2018-12-29 | 2018-12-29 | A kind of high energy pipeline whipping simulation test bench system |
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| CN109708837A true CN109708837A (en) | 2019-05-03 |
Family
ID=66259732
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| CN201811645188.XA Pending CN109708837A (en) | 2018-12-29 | 2018-12-29 | A kind of high energy pipeline whipping simulation test bench system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697375A (en) * | 2020-12-03 | 2021-04-23 | 武汉大学 | Flexible pressure pipeline whipping motion generating device |
| CN113109032A (en) * | 2021-03-04 | 2021-07-13 | 山东科技大学 | Measurement experiment method for transient whipping behavior of pressurized pipeline |
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