CN105954130A - Impulse withstand test device for high-pressure hose - Google Patents
Impulse withstand test device for high-pressure hose Download PDFInfo
- Publication number
- CN105954130A CN105954130A CN201610374281.6A CN201610374281A CN105954130A CN 105954130 A CN105954130 A CN 105954130A CN 201610374281 A CN201610374281 A CN 201610374281A CN 105954130 A CN105954130 A CN 105954130A
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- CN
- China
- Prior art keywords
- pressure
- valve
- pressure hose
- hose
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention relates to design of an impulse withstand test device and particularly relates to an impulse withstand test device for a high-pressure hose, so as to at least solve the problems of complex structure and high cost of an existing impulse withstand test device for the high-pressure hose. The test device comprises a low-pressure hydraulic oil source and pressure test devices, wherein the low-pressure hydraulic oil source is communicated with the liquid inlet end of a to-be-tested high-pressure hose sequentially by virtue of a check valve, an electrohydraulic servo valve and a pressure booster, and the liquid outlet end of the to-be-tested high-pressure hose is communicated with a first oil tank by virtue of a high-pressure vent valve; a first overflow valve is arranged between the check valve and the electrohydraulic servo valve; the check valve is further communicated with the to-be-tested high-pressure hose sequentially by virtue of a first electromagnetic directional valve and a throttling valve; the liquid inlet end of the to-be-tested high-pressure hose is further provided with a second overflow valve; the pressure test devices are respectively arranged on the inlet and outlet ends of the pressure booster; the pressure booster is further communicated with a second oil tank. The impulse withstand test device for the high-pressure hose is small in size, simple in structure and capable of effectively meeting the requirements of an impulse withstand test of the high-pressure hose and lowering the test cost.
Description
Technical field
The present invention relates to the design of impact resistance assay device, particularly to a kind of high-pressure hose impact resistance
Assay device.
Background technology
In the impact resistance of high-pressure hose is tested, need quickly entering frequently of high pressure liquid force feed
In tested high-pressure hose, realize the impact resistance test of high-pressure hose.Current commonly used increase
Hydraulic power unit charge oil pressure and use high voltage bearing electrohydraulic servo valve method, but the method
Use can make the complicated structure of whole device, relatively costly.
Summary of the invention
It is an object of the invention to provide a kind of high-pressure hose impact resistance assay device, at least to solve
The problem that the most current high-pressure hose impact resistance assay device structure is complicated, cost is high.
The technical scheme is that
A kind of high-pressure hose impact resistance assay device, including low-pressure hydraulic oil sources, passes sequentially through list
Liquid feeding end to valve, electrohydraulic servo valve and supercharger with high-pressure hose to be measured connects, described in treat
The liquid outlet surveying high-pressure hose is connected by high pressure air exhaust valve and the first fuel tank；
The first overflow it is provided with on oil circuit between described check valve and described electrohydraulic servo valve
Valve, to ensure that oil circuit pressure is constant；
Outlet oil circuit at described check valve also passes sequentially through the first solenoid directional control valve and choke valve
It is communicated to the liquid feeding end of described high-pressure hose to be measured；
Liquid feeding end at described high-pressure hose to be measured is additionally provided with the second overflow valve；
Pressure tester, is separately positioned on the entrance end of described supercharger；
The rod chamber body of described supercharger and the connection of the second fuel tank, to ensure when supercharger runs
Occur without vacuum.
Alternatively, the entrance point at described supercharger is provided with the second solenoid directional control valve；When electro-hydraulic
During valve servo fault, play pressure release effect, to protect described electro hydraulic valve servo.
Alternatively, described pressure tester includes pressure transducer and Pressure gauge.
Invention effect:
The high-pressure hose impact resistance assay device of the present invention, volume is little, simple in construction, and can
Effectively meet the test requirements document of the impact resistance test of high-pressure hose, reduce experimentation cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-pressure hose impact resistance assay device of the present invention.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, below in conjunction with
Accompanying drawing in the embodiment of the present invention, is carried out in further detail the technical scheme in the embodiment of the present invention
Description.In the accompanying drawings, the most same or similar label represents same or similar unit
Part or there is the element of same or like function.Described embodiment is that a part of the present invention is real
Execute example rather than whole embodiments.The embodiment described below with reference to accompanying drawing is example
Property, it is intended to it is used for explaining the present invention, and is not considered as limiting the invention.Based on this
Embodiment in invention, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.Below in conjunction with the accompanying drawings
Embodiments of the invention are described in detail.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ",
Orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship,
It is for only for ease of and describes the present invention and simplify description rather than instruction or the device of hint indication
Or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention.
1 pair of high-pressure hose impact resistance assay device of the present invention does the most below in conjunction with the accompanying drawings
Describe in detail bright.
The invention provides a kind of high-pressure hose impact resistance assay device, including low-pressure hydraulic oil sources
1, wherein, low pressure is relative, is primarily referred to as its pressure institute less than high-pressure hose 5 to be measured
The test pressure required；Low-pressure hydraulic oil sources 1 can be provided by hydraulic oil pump or hydraulic oil car
Pressure, it passes sequentially through check valve 2, electrohydraulic servo valve 3 and supercharger 4 and high pressure to be measured
The liquid feeding end connection of flexible pipe 5, the liquid outlet of high-pressure hose 5 to be measured by high pressure air exhaust valve 6 with
First fuel tank 7 connects.Wherein, the working media in high-pressure hose 5 to be measured be preferably 46# resist
Mill hydraulic oil, operating pressure is 27MPa.
Further, the oil circuit between check valve 2 and electrohydraulic servo valve 3 is provided with first to overflow
Stream valve 8, to ensure that oil circuit pressure is constant；Outlet oil circuit at check valve 2 also passes sequentially through
One solenoid directional control valve 9 (high pressure) and choke valve 10 are communicated to the feed liquor of high-pressure hose 5 to be measured
End；Liquid feeding end at high-pressure hose 5 to be measured is additionally provided with the second overflow valve 11.
The high-pressure hose impact resistance assay device of the present invention also includes pressure tester, is separately positioned on
The entrance end of supercharger 4；Pressure tester can be arranged as required to as multiple applicable dress
Putting, in the present embodiment, preferably pressure tester includes pressure transducer 14 and Pressure gauge 15, point
It is two right, respectively at the entrance end of supercharger 4.
It addition, the rod chamber body of supercharger 4 and the second fuel tank 12 connect, to ensure in supercharging
Device 4 occurs without vacuum when running.Further, the entrance point at supercharger 4 is provided with the second electricity
Magnetic reversal valve 13, when electro hydraulic valve servo fault, plays pressure release effect, to protect electro hydraulic valve
Servo；Wherein, the working media of the second solenoid directional control valve 13 is YH-10 aircraft fluid,
Operating pressure is 14MPa.
The high-pressure hose impact resistance assay device of the present invention uses process as follows:
It is energized to the first solenoid directional control valve 9 so that it is link up the in-line of high-pressure hose 5 to be measured；
Open high pressure air exhaust valve 6 aerofluxus；From the hydraulic oil of low-pressure hydraulic oil sources 1, by the first electricity
After magnetic reversal valve 9, choke valve 10 are full of high-pressure hose 5 to be measured, close high pressure air exhaust valve 6；
Continue to high-pressure hose 5 topping up to be measured, until its pressure reaches hydraulic system (above-mentioned several portions
Part constitute system) pressure, to the first solenoid directional control valve 9 power-off, close high pressure to be measured soft
The oil-feed loop of pipe 5；Wherein, the pressure of hydraulic system is set up by the first overflow valve 8.
Further, regulation electrohydraulic servo valve 3 is in logical oil level and puts, low-pressure hydraulic oil sources 1
Hydraulic oil is entered supercharger 4 by electrohydraulic servo valve 3 or is not entered supercharger 4；Enter supercharging
The hydraulic oil of device 4, promotes supercharger 4 piston movement, makes the pressure of high-pressure hose 5 to be measured arrive
Reaching tested force value, force value is measured by pressure tester, and maximum pressure is by the second overflow valve
11 protect；When reaching the test pressure of high-pressure hose 5 to be measured, the pressure in pressure tester
Power relay sends signal, makes electrohydraulic servo valve 3 be in middle position, and gives the second solenoid directional control valve
13 energisings, make the chamber release of supercharger 4 mesolow, and choke valve 10 ensures that system pressure unloads pressing
Surely, the pressure in high-pressure hose 5 to be measured reduces therewith, when being reduced to high-pressure hose 5 arteries and veins to be measured
During dynamic pressure bottom line, the pressure switch in pressure tester sends closure signal, makes electro-hydraulic servo
Valve 3 is in logical oil level and puts, and gives the first solenoid directional control valve 9 power-off, makes depressurized circuit disconnect,
System repeats to high-pressure hose 5 to be measured supercharging.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also
Being not limited to this, any those familiar with the art is at the technology model that the invention discloses
In enclosing, the change that can readily occur in or replacement, all should contain within protection scope of the present invention.
Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (3)
1. a high-pressure hose impact resistance assay device, it is characterised in that include low-pressure hydraulic
Oil sources (1), passes sequentially through check valve (2), electrohydraulic servo valve (3) and supercharger (4)
Connect with the liquid feeding end of high-pressure hose to be measured (5), described high-pressure hose to be measured (5) go out liquid
End is connected with the first fuel tank (7) by high pressure air exhaust valve (6)；
It is provided with on oil circuit between described check valve (2) and described electrohydraulic servo valve (3)
First overflow valve (8)；
Outlet oil circuit at described check valve (2) also passes sequentially through the first solenoid directional control valve (9)
With the liquid feeding end that choke valve (10) is communicated to described high-pressure hose to be measured (5)；
Liquid feeding end described high-pressure hose to be measured (5) is additionally provided with the second overflow valve (11)；
Pressure tester, is separately positioned on the entrance end of described supercharger (4)；
The rod chamber body of described supercharger (4) and the second fuel tank (12) connection.
High-pressure hose impact resistance assay device the most according to claim 1, its feature exists
In, the entrance point at described supercharger (4) is provided with the second solenoid directional control valve (13).
High-pressure hose impact resistance assay device the most according to claim 2, its feature exists
In, described pressure tester includes pressure transducer (14) and Pressure gauge (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374281.6A CN105954130A (en) | 2016-05-31 | 2016-05-31 | Impulse withstand test device for high-pressure hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374281.6A CN105954130A (en) | 2016-05-31 | 2016-05-31 | Impulse withstand test device for high-pressure hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105954130A true CN105954130A (en) | 2016-09-21 |
Family
ID=56907317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610374281.6A Pending CN105954130A (en) | 2016-05-31 | 2016-05-31 | Impulse withstand test device for high-pressure hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105954130A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985462A (en) * | 2019-12-12 | 2020-04-10 | 四川凌峰航空液压机械有限公司 | Hydraulic system for eliminating pulse test actuating cylinder and pipeline gas thereof |
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|---|---|---|---|---|
| CN201269845Y (en) * | 2008-09-24 | 2009-07-08 | 比亚迪股份有限公司 | Hydraulic flexible tube test machine |
| CA2671586A1 (en) * | 2008-07-17 | 2010-01-17 | Shonan Gosei-Jushi Seisakusho K.K. | Rehabilitating pipe segment and existing pipe rehabilitation method using same |
| CN201851431U (en) * | 2010-06-08 | 2011-06-01 | 中舟海洋科技(上海)有限公司 | Composite test device for hydraulic pipe and connector thereof |
| CN102445399A (en) * | 2011-12-12 | 2012-05-09 | 麦格思维特(上海)流体工程有限公司 | Pulse test bench and pressurizer |
| CN202814687U (en) * | 2012-06-21 | 2013-03-20 | 北京中汽寰宇机动车检验中心有限公司 | High temperature pulse integrated test system of motor vehicle bake hose |
| CN103016453A (en) * | 2012-12-14 | 2013-04-03 | 浙江大学 | Impulse test system of hydraulic hose |
| CN203551399U (en) * | 2013-11-12 | 2014-04-16 | 中联重科股份有限公司 | Pressure test system for hydraulic tube |
| CN104236835A (en) * | 2014-09-30 | 2014-12-24 | 北京理工大学 | Hydraulic pulse type sealing-detecting vibration test table |
| CN104963904A (en) * | 2015-06-26 | 2015-10-07 | 湖北航天技术研究院总体设计所 | Integrated electro-hydraulic servo driver hydraulic system |
-
2016
- 2016-05-31 CN CN201610374281.6A patent/CN105954130A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2671586A1 (en) * | 2008-07-17 | 2010-01-17 | Shonan Gosei-Jushi Seisakusho K.K. | Rehabilitating pipe segment and existing pipe rehabilitation method using same |
| CN201269845Y (en) * | 2008-09-24 | 2009-07-08 | 比亚迪股份有限公司 | Hydraulic flexible tube test machine |
| CN201851431U (en) * | 2010-06-08 | 2011-06-01 | 中舟海洋科技(上海)有限公司 | Composite test device for hydraulic pipe and connector thereof |
| CN102445399A (en) * | 2011-12-12 | 2012-05-09 | 麦格思维特(上海)流体工程有限公司 | Pulse test bench and pressurizer |
| CN202814687U (en) * | 2012-06-21 | 2013-03-20 | 北京中汽寰宇机动车检验中心有限公司 | High temperature pulse integrated test system of motor vehicle bake hose |
| CN103016453A (en) * | 2012-12-14 | 2013-04-03 | 浙江大学 | Impulse test system of hydraulic hose |
| CN203551399U (en) * | 2013-11-12 | 2014-04-16 | 中联重科股份有限公司 | Pressure test system for hydraulic tube |
| CN104236835A (en) * | 2014-09-30 | 2014-12-24 | 北京理工大学 | Hydraulic pulse type sealing-detecting vibration test table |
| CN104963904A (en) * | 2015-06-26 | 2015-10-07 | 湖北航天技术研究院总体设计所 | Integrated electro-hydraulic servo driver hydraulic system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985462A (en) * | 2019-12-12 | 2020-04-10 | 四川凌峰航空液压机械有限公司 | Hydraulic system for eliminating pulse test actuating cylinder and pipeline gas thereof |
| CN110985462B (en) * | 2019-12-12 | 2021-08-06 | 四川凌峰航空液压机械有限公司 | Hydraulic system for eliminating pulse test actuating cylinder and pipeline gas thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |