CN106323621A - Low-temperature pressure hysteresis test device for clamp - Google Patents
Low-temperature pressure hysteresis test device for clamp Download PDFInfo
- Publication number
- CN106323621A CN106323621A CN201610838083.0A CN201610838083A CN106323621A CN 106323621 A CN106323621 A CN 106323621A CN 201610838083 A CN201610838083 A CN 201610838083A CN 106323621 A CN106323621 A CN 106323621A
- Authority
- CN
- China
- Prior art keywords
- normally closed
- solenoid valve
- closed solenoid
- clamp
- low
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Abstract
The invention discloses a low-temperature pressure hysteresis test device for a clamp. The low-temperature pressure hysteresis test device comprises a gas source (1); the gas source (1) is connected with a buffer exhaust module (40); a clamp (20) requiring mechanics property detection is just arranged in front of the exhaust port of the buffer exhaust module (40); a low-temperature pressure sensor (19) is arranged between the clamp (20) and the exhaust port of a second low-temperature two-position two-way normally-closed solenoid valve (142); and the clamp is provided with a low-temperature force sensor (21). With the low-temperature pressure hysteresis test device for the clamp adopted, a testing operator can conveniently and reliably detect the mechanical property of the clamp at low temperature, test operation is convenient and fast, and the detection quality and efficiency of the clamp can be improved. The wide protection application of the low-temperature pressure hysteresis test device can be facilitated. The low-temperature pressure hysteresis test device is of great significance for production practice.
Description
Technical field
The present invention relates to clamp experimental technique field, particularly relate to the low-temperature pressure sluggishness assay device of a kind of clamp.
Background technology
Clamp, as parts critically important in brakes in high ferro, particularly with run in the low temperature environment of the north
High ferro, needs the mechanical property examination carrying out under low temperature environment to clamp.For trains such as high ferros, it can be clamped by clamp
Brake disc realizes braking.
But, the assay device of current clamp often simply checking clamp whether can normal operation at low temperatures, can not
Carry out sufficient mechanical property examination, it is impossible to obtain clamp complete, detailed low temperature retardant curve at low temperatures, therefore, nothing
Method grasps clamp mechanical property at low temperatures comprehensively.
Therefore, at present in the urgent need to developing a kind of assay device, it can allow test operation personnel convenient, the most right
Clamp mechanical property at low temperatures detects, and test operation is convenient, fast, improves detection quality and the efficiency of clamp.
Summary of the invention
In view of this, it is an object of the invention to provide the low-temperature pressure sluggishness assay device of a kind of clamp, it can allow examination
Testing that operator are convenient, reliably detect clamp mechanical property at low temperatures, test operation is convenient, fast, improves
The detection quality of clamp and efficiency, be conducive to production application widely, be of great practical significance.
To this end, the invention provides the low-temperature pressure sluggishness assay device of a kind of clamp, including source of the gas, described source of the gas and one
Individual buffering exhaust module is connected, and the air vent dead ahead of described buffering exhaust module is provided with to be needed to carry out mechanics properties testing
Clamp；
It is provided with low-temperature pressure between the air vent of described clamp and described second low temperature 2/2-way normally closed solenoid valve to pass
Sensor, described clamp is provided with a low temperature force transducer.
Wherein, described source of the gas by the pipeline of hollow successively with the stop valve in described buffering exhaust module, filter, the
One air relief valve, the first gas tank are connected with check valve；
Described check valve is connected with a pneumatic proportional valve and second air relief valve respectively, and described pneumatic proportional valve is led to
Cross a first room temperature 2/2-way normally closed solenoid valve and the second gas tank is connected；
Described second air relief valve and a second room temperature 2/2-way normally closed solenoid valve are connected, described second room temperature two
Two lead to the connecting line between normally closed solenoid valve and described first room temperature 2/2-way normally closed solenoid valve and described second gas tank
It is connected；
Described second air relief valve and a second room temperature 2/2-way normally closed solenoid valve are connected, described second room temperature two
Two lead to the connecting line between normally closed solenoid valve and described first room temperature 2/2-way normally closed solenoid valve and described second gas tank
It is connected；
Described second gas tank and a second low temperature 2/2-way normally closed solenoid valve are connected by pipeline, and described second
The dead ahead of the air vent of low temperature 2/2-way normally closed solenoid valve is provided with described clamp.
Wherein, on the connecting line between described first room temperature 2/2-way normally closed solenoid valve and described second gas tank also
One the first low temperature 2/2-way normally closed solenoid valve is installed.
Wherein, described first low temperature 2/2-way normally closed solenoid valve is provided with a deafener.
Wherein, the pipeline connected between described first air relief valve and the first gas tank is provided with the first Pressure gauge；
It is provided with second on the pipeline connected between described second air relief valve and the second room temperature 2/2-way normally closed solenoid valve
Pressure gauge；
It is additionally provided with the 3rd pressure between the air vent of described clamp and described second low temperature 2/2-way normally closed solenoid valve
Table.
Wherein, described first low temperature 2/2-way normally closed solenoid valve, the second low temperature 2/2-way normally closed solenoid valve, the second storage
Gas tank, low-temperature pressure sensor, clamp and low temperature force transducer are positioned at inside the incubator of a hollow.
Wherein, described source of the gas is nitrogen cylinder.
Wherein, the low-temperature pressure sluggishness assay device of the clamp that the present invention provides also includes test control module, described examination
Test control module normal with described source of the gas, check valve, pneumatic proportional valve, the first room temperature 2/2-way normally closed solenoid valve and second respectively
Temperature 2/2-way normally closed solenoid valve is connected by holding wire；
Described low-temperature pressure sensor is connected by holding wire with low temperature force transducer and a data acquisition module.
Wherein, described test control module includes that programmable controller PLC and touch screen, described touch screen are compiled with described
Range controller PLC is connected, and is used for allowing test operation personnel input control instruction to described programmable controller PLC.
Wherein, during described device is integrally disposed in a switch board.
The technical scheme provided from the above present invention, compared with prior art, the present invention proposes a kind of clamp
Low-temperature pressure sluggishness assay device, it can allow test operation personnel convenient, reliably to clamp mechanical property at low temperatures
Can detect, test operation is convenient, fast, improves detection quality and the efficiency of clamp, is conducive to production application widely, tool
There is great production practices meaning.
Accompanying drawing explanation
The gas circuit schematic diagram of the low-temperature pressure sluggishness assay device of a kind of clamp that Fig. 1 provides for the present invention；
The retardant curve obtained in the low-temperature pressure sluggishness assay device embodiment of a kind of clamp that Fig. 2 provides for the present invention
Schematic diagram；
The pressurize curve obtained in the low-temperature pressure sluggishness assay device embodiment of a kind of clamp that Fig. 3 provides for the present invention
Schematic diagram；
In figure, 1 is source of the gas, and 2 is stop valve, and 3 is filter, and 4 is the first air relief valve, and 51 is the first Pressure gauge, and 52 is
Two Pressure gauges, 53 is the 3rd Pressure gauge, and 61 is the first gas tank, and 62 is the second gas tank, and 7 is check valve, and 8 is pneumatic proportional
Valve, 91 is the first room temperature 2/2-way normally closed solenoid valve, and 92 is the second room temperature 2/2-way normally closed solenoid valve, and 141 is first low
Temperature 2/2-way normally closed solenoid valve, 142 is the second low temperature 2/2-way normally closed solenoid valve, and 15 is deafener, and 19 is low-temperature pressure
Sensor, 20 is clamp, and 21 is low temperature force transducer, and 30 is incubator, and 40 is buffering exhaust module.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Seeing Fig. 1, the low-temperature pressure sluggishness assay device of a kind of clamp that the present invention provides, for clamp at low temperatures
Mechanical property detect.The low-temperature pressure sluggishness assay device of the clamp of the present invention specifically includes source of the gas 1, described source of the gas with
One buffering exhaust module 40 is connected, and the air vent dead ahead of described buffering exhaust module 40 is provided with to be needed to carry out mechanical property
The clamp 20 that can detect.
Below in conjunction with Fig. 1, the concrete structure of described buffering exhaust module 40 is described.The described source of the gas 1 pipeline by hollow
Successively with the stop valve 2 in described buffering exhaust module 40, filter the 3, first air relief valve the 41, first gas tank 61 and check valve
7 are connected；
Described check valve 7 is connected with a pneumatic proportional valve 8 and second air relief valve 42 respectively, described pneumatic proportional
Valve 8 is connected with the second gas tank 62 by a first room temperature 2/2-way normally closed solenoid valve 91；
Described second air relief valve 42 is connected with a second room temperature 2/2-way normally closed solenoid valve 92, described second room temperature
Between 2/2-way normally closed solenoid valve 92 and described first room temperature 2/2-way normally closed solenoid valve 91 and described second gas tank 62
Connecting line be connected；
Described second gas tank 62 is connected by pipeline with a second low temperature 2/2-way normally closed solenoid valve 142, institute
The dead ahead of the air vent stating the second low temperature 2/2-way normally closed solenoid valve 142 is provided with the folder needing to carry out mechanics properties testing
Pincers 20 (as testpieces)；
It is provided with the 3rd pressure between the air vent of described clamp 20 and described second low temperature 2/2-way normally closed solenoid valve 142
Power table 53 and low-temperature pressure sensor 19, described clamp 20 is provided with a low temperature force transducer 21.
In the present invention, described low-temperature sensor 21 is arranged on the side of clamp 20, when the jaws are closed, two side compressions,
Low-temperature sensor 21 obtains clamp power output.
In the present invention, implement, described first room temperature 2/2-way normally closed solenoid valve 91 and described second air storage
A first low temperature 2/2-way normally closed solenoid valve 141, described first low temperature two it is also equipped with on connecting line between tank 62
Position two leads to and is provided with a deafener 15 on normally closed solenoid valve 141.
In the present invention, implement, on the pipeline connected between described first air relief valve 41 and the first gas tank 61
First Pressure gauge 51 is installed, for the pressure of the gas that detection is exported after the first air relief valve 41 decompression.
In the present invention, implement, described second air relief valve 42 and the second room temperature 2/2-way normally closed solenoid valve 92
Between the second Pressure gauge 52 is installed, for detection gas of being exported after the second air relief valve 42 decompression on the pipeline that connects
Pressure.
In the present invention, in order to clamp mechanical property at low ambient temperatures is detected, implement, described
One low temperature 2/2-way normally closed solenoid valve the 141, second low temperature 2/2-way normally closed solenoid valve the 142, second gas tank 62, low temperature and pressure
Force transducer 19, clamp 20 and low temperature force transducer 21 are positioned at inside the incubator 30 of a hollow.
It should be noted that described incubator 30 can regulate the temperature that it is internal, it is used for providing stable low temperature environment.
In the present invention, implementing, described low-temperature pressure sensor 19 can be that any one can accurately be measured
The pressure transducer of air pressure, the pressure transducer that model is YK-908 that such as can be produced by space flight 701, this pressure sensing
The range of device is 0～6Mpa, precision 0.1%Fs (full scale).
In the present invention, implementing, described low temperature force transducer 21 can be that any one can accurately measure folder
The force transducer of clamp force, the force transducer that model is LH6046 that such as can be produced by space flight 701, the amount of this force transducer
Journey is ± 10000kg, precision 0.1%Fs.
In the present invention, implementing, described incubator 30 can regulate the temperature of its internal temperature with any one
Case, such as, can be the incubator that model is WT1110-10DEHVB of Tianjin space flight Rui Lai Science and Technology Ltd. production, incubator body
Amassing as 10m3, the temperature range that can regulate is-70～120 DEG C.
In the present invention, implement, described first low temperature 2/2-way normally closed solenoid valve the 141, second low temperature two
Two to lead to normally closed solenoid valve 142 can be any one low temperature 2/2-way normally closed solenoid valve, such as, can be that SMC (Chinese) is limited
The low temperature 2/2-way normally closed solenoid valve that model is VXD2130-02-5G-B that company produces, the operating temperature district of this electromagnetic valve
Between be-90 DEG C～60 DEG C, operating air pressure interval is 0～1.6Mpa.
In the present invention, implement, described firstth room temperature 2/2-way normally closed solenoid valve the 91, first room temperature two
Two to lead to normally closed solenoid valve 92 can be any one room temperature 2/2-way normally closed solenoid valve, such as, can be that SMC (Chinese) is limited
Company produce the room temperature 2/2-way normally closed solenoid valve that model is LD7908, the operating air pressure interval of this electromagnetic valve be 0～
1.5Mpa。
In the present invention, described source of the gas 1 is used for providing stable cold air source, supports the use in conjunction with stop valve, filter 3.
Described source of the gas 1 is preferably nitrogen cylinder.
In the present invention, described first air relief valve 41 and the second air relief valve 42, for the pressure by reducing gas, it is preferably
Use precise pressure-reducing valve, pressure can be down to below 8.5Bar, and pressure precision is at 0.03Bar.
In the present invention, described first Pressure gauge 51 and the 3rd Pressure gauge 53, it is respectively used to detection detection and subtracts through first
The pressure of the gas exported after pressure valve 41 decompression, and detect the row of described second low temperature 2/2-way normally closed solenoid valve 142
The pressure of QI KOU expellant gas.
In the present invention, described first gas tank 61 and the second gas tank 62, can change by regulating the volume of self
The amount of storage in changing the flow of QI-blood source, thus overshoot when alleviating valve opening, can control aerofluxus by the aperture of regulation aerofluxus
Speed, and stored gas can cool down at low ambient temperatures so that and the control of pressure is more stable.
In the present invention, implementing, the assay device that the present invention provides also includes test control module, described test
Control module is connected by holding wire with described check valve 7 and pneumatic proportional valve 8 respectively；
Described check valve 7 and pneumatic proportional valve 8, the control signal that can export according to described test control module is (such as electricity
Pressure signal), carry out internal closed loop and control the force value of the gas of output, precision is 0.05Bar.
In the present invention, described first room temperature 2/2-way normally closed solenoid valve 91 and the second normally closed electromagnetism of room temperature 2/2-way
Valve 92, manually can switch over control with automatic two ways, under automated manner, defeated by described test control module
The control signal gone out is controlled.
In the present invention, described first low temperature 2/2-way normally closed solenoid valve 141 and the second normally closed electricity of low temperature 2/2-way
Magnet valve 142, is used for controlling whether the gas of outwards (i.e. the direction of clamp 20) discharge low temperature.
In the present invention, described low-temperature pressure sensor 19, for detecting the atmospheric pressure value that described clamp 20 is born, i.e. institute
State the atmospheric pressure value that the air vent of the second low temperature 2/2-way normally closed solenoid valve 142 is discharged.Described low temperature force transducer 21, is used for examining
Survey the clamping force that described clamp 20 is exported.
In the present invention, the atmospheric pressure value of described source of the gas 1 can carry out stepless regulating by the signal of telecommunication, i.e. with described controlling test
Module is connected, and output accuracy is at 0.03Bar.
In the present invention, described test control module, can allow test operation personnel carry out in man machine interface manually/from
Dynamic switching, can input the conditions such as termination pressure, the rate of rise, descending slope under auto state；It is manually entered down, can
With conditions such as input the blowing pressure, aerofluxus, cut-off pressurizes.
Implementing, described test control module can be in integrally disposed to one switch board, described switch board defeated
Entering end is source of the gas, and outfan is clamp, and whole control operation only need to complete in man machine interface.
In the present invention, implementing, described test control module can be at central processor CPU, digital signal
Reason device DSP or single-chip microprocessor MCU, described test control module preferably comprises programmable controller PLC and touch screen, described tactile
Touch screen to be connected with described programmable controller PLC, be used for allowing test operation personnel input control instruction to described programmable control
Device PLC processed.
In the present invention, described low-temperature pressure sensor 19 and low temperature force transducer 21 pass through with a data acquisition module
Holding wire is connected, and described data acquisition module, in process of the test, obtains described low-temperature pressure sensor 19 institute in real time
The atmospheric pressure value that the air vent of the second low temperature 2/2-way normally closed solenoid valve 142 of output is discharged, and obtain described clamp 20 institute
The clamping force (i.e. load value) of output, and the low temperature retardant curve of clamp can be exported.
In the present invention, implementing, described data acquisition module can effectively can gather described dynamic with any one
The data acquisition unit of the load data that load force sensor 3 and dead load force transducer 8 are exported, such as, can be Stettlen
The dynamic signalling analysis system that model is TST-5912 that Electronics Co., Ltd. produces, sample frequency is 100k, port number
It is 16 passages.
Understand based on above technical scheme, compared with prior art, the low-temperature pressure of a kind of clamp that the present invention provides
Sluggish assay device, it has a following technique effect:
1, the low-temperature pressure sluggishness assay device of clamp that the present invention provides, its simple in construction, easy to control, be easily installed
Safeguarding, for test function requirement, switch board corresponding to specialized designs, whole control operation only need to be complete in man machine interface
Become；
2, monitoring modular (comprising force transducer, pressure transducer) is placed in incubator by the present invention, has selected reliably
Low temperature force transducer and pressure transducer so that measurement result is truer；
3, the test control module of the present invention, can carry out manual/auto switching, under auto state in man machine interface
The conditions such as termination pressure, the rate of rise, descending slope can be inputted；It is manually entered down, the blowing pressure, row can be inputted
Gas, the cut-off condition such as pressurize, normal to check valve 7, pneumatic proportional valve the 8, first room temperature 2/2-way normally closed solenoid valve 91 and second
Temperature 2/2-way normally closed solenoid valve 92 grade sends control signal respectively and is controlled, and meets the functional requirement that test needs；
4, the present invention can monitor the force transducer of clamp and the load value of pressure transducer in real time, it is possible to output clamp
Low temperature retardant curve.
Understand based on technique scheme, the present invention is directed to the deficiencies in the prior art, it is provided that a kind of simple, low cost,
Being applied to clamp low-temperature pressure sluggishness assay device efficiently, it is while meeting different tests condition so that whole test
Implement during more convenient so that experimental working technique significantly simplifies.The present invention can apply to detection well
Clamp is inflated and the clamping force characteristic in exhaust process at low ambient temperatures, i.e. obtains the low temperature retardant curve of clamp, and it is minimum
Temperature environment can reach-70 DEG C, test force maximum 10T, and air pressure control accuracy is at 0.05bar.
In sum, compared with prior art, the low-temperature pressure sluggishness assay device of a kind of clamp that the present invention provides,
It can allow test operation personnel are convenient, reliably detect clamp mechanical property at low temperatures, test operation is convenient,
Fast, improve detection quality and the efficiency of clamp, be conducive to production application widely, be of great practical significance.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the low-temperature pressure sluggishness assay device of a clamp, it is characterised in that include source of the gas (1), described source of the gas (1) and
Buffering exhaust module (40) is connected, and the air vent dead ahead of described buffering exhaust module (40) is provided with and needs to carry out mechanical property
The clamp (20) that can detect；
It is provided with low temperature and pressure between the air vent of described clamp (20) and described second low temperature 2/2-way normally closed solenoid valve (142)
Force transducer (19), described clamp (20) is provided with a low temperature force transducer (21).
2. device as claimed in claim 1, it is characterised in that described source of the gas (1) is slow with described successively by the pipeline of hollow
Rush the stop valve (2) in exhaust module (40), filter (3), the first air relief valve (41), the first gas tank (61) and check valve
(7) it is connected；
Described check valve (7) is connected with a pneumatic proportional valve (8) and second air relief valve (42) respectively, described pneumatic ratio
Example valve (8) is connected with the second gas tank (62) by first room temperature 2/2-way normally closed solenoid valve (91)；
Described second air relief valve (42) is connected with second room temperature 2/2-way normally closed solenoid valve (92), described second room temperature
2/2-way normally closed solenoid valve (92) and described first room temperature 2/2-way normally closed solenoid valve (91) and described second gas tank
(62) connecting line between is connected；
Described second air relief valve (42) is connected with second room temperature 2/2-way normally closed solenoid valve (92), described second room temperature
2/2-way normally closed solenoid valve (92) and described first room temperature 2/2-way normally closed solenoid valve (91) and described second gas tank
(62) connecting line between is connected；
Described second gas tank (62) is connected by pipeline with second low temperature 2/2-way normally closed solenoid valve (142), institute
The dead ahead of the air vent stating the second low temperature 2/2-way normally closed solenoid valve (142) is provided with described clamp (20).
3. device as claimed in claim 2, it is characterised in that described first room temperature 2/2-way normally closed solenoid valve (91) and institute
State and on the connecting line between the second gas tank (62), be also equipped with first low temperature 2/2-way normally closed solenoid valve (141).
4. device as claimed in claim 2, it is characterised in that on described first low temperature 2/2-way normally closed solenoid valve (141)
One deafener (15) is installed.
5. device as claimed in claim 2, it is characterised in that between described first air relief valve (41) and the first gas tank (61)
On the pipeline connected, the first Pressure gauge (51) is installed；
It is provided with on the pipeline being connected between described second air relief valve (42) with the second room temperature 2/2-way normally closed solenoid valve (92)
Second Pressure gauge (52)；
It is additionally provided with the 3rd between the air vent of described clamp (20) and described second low temperature 2/2-way normally closed solenoid valve (142)
Pressure gauge (53).
6. the device as according to any one of claim 2 to 5, it is characterised in that the described first normally closed electricity of low temperature 2/2-way
Magnet valve (141), the second low temperature 2/2-way normally closed solenoid valve (142), the second gas tank (62), low-temperature pressure sensor (19),
Clamp (20) and low temperature force transducer (21) are positioned at incubator (30) the inside of a hollow.
7. device as claimed in claim 2, it is characterised in that described source of the gas (1) is nitrogen cylinder.
8. device as claimed in claim 2, it is characterised in that also include that test control module, described test control module divide
Not with described source of the gas (1), check valve (7), pneumatic proportional valve (8), the first room temperature 2/2-way normally closed solenoid valve (91) and second
Room temperature 2/2-way normally closed solenoid valve (92) is connected by holding wire；
Described low-temperature pressure sensor (19) is connected by holding wire with a data acquisition module with low temperature force transducer (21)
Connect.
9. device as claimed in claim 8, it is characterised in that described test control module include programmable controller PLC and
Touch screen, described touch screen is connected with described programmable controller PLC, be used for allowing test operation personnel input control instruction to
Described programmable controller PLC.
10. device as claimed in claim 9, it is characterised in that described device is integrally disposed in a switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838083.0A CN106323621B (en) | 2016-09-20 | 2016-09-20 | A kind of low-temperature pressure sluggishness experimental rig of clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838083.0A CN106323621B (en) | 2016-09-20 | 2016-09-20 | A kind of low-temperature pressure sluggishness experimental rig of clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106323621A true CN106323621A (en) | 2017-01-11 |
| CN106323621B CN106323621B (en) | 2018-10-30 |
Family
ID=57786925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610838083.0A Active CN106323621B (en) | 2016-09-20 | 2016-09-20 | A kind of low-temperature pressure sluggishness experimental rig of clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106323621B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2051055A2 (en) * | 2007-10-19 | 2009-04-22 | Audi AG | Device for examining a brake disc under salt-wet-cold influences |
| CN201488878U (en) * | 2009-08-14 | 2010-05-26 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle wheel-disk brake testing machine |
| CN102323067A (en) * | 2011-08-15 | 2012-01-18 | 天津大学内燃机研究所 | System for testing temperature resistance of motorcycle brake |
| US20130192918A1 (en) * | 2012-01-26 | 2013-08-01 | Caterpillar, Inc. | Brake System Having a Brake Capacity Test Mode for a Machine Having a Hydrostatic Drivetrain |
| CN206208505U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | A kind of low-temperature pressure sluggishness experimental rig of clamp |
-
2016
- 2016-09-20 CN CN201610838083.0A patent/CN106323621B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2051055A2 (en) * | 2007-10-19 | 2009-04-22 | Audi AG | Device for examining a brake disc under salt-wet-cold influences |
| CN201488878U (en) * | 2009-08-14 | 2010-05-26 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle wheel-disk brake testing machine |
| CN102323067A (en) * | 2011-08-15 | 2012-01-18 | 天津大学内燃机研究所 | System for testing temperature resistance of motorcycle brake |
| US20130192918A1 (en) * | 2012-01-26 | 2013-08-01 | Caterpillar, Inc. | Brake System Having a Brake Capacity Test Mode for a Machine Having a Hydrostatic Drivetrain |
| CN206208505U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | A kind of low-temperature pressure sluggishness experimental rig of clamp |
Non-Patent Citations (3)
| Title |
|---|
| 化北 等: "汽车助力器总成高低温性能检测装置研究", 《电子测量技术》 * |
| 税永波 等: "基于LabVIEW的汽车制动部件高低温耐久性试验台研制", 《制造业自动化》 * |
| 訾克明 等: "汽车制动器多功能试验台设计", 《机械设计与制造》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106323621B (en) | 2018-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203479474U (en) | Vacuum tester | |
| CN107036829B (en) | High-accuracy multifunctional railcar brake system test platform and its application method | |
| EP2884252A2 (en) | Manifold assembly for a portable leak tester | |
| CN205879474U (en) | Vertical compression leak detector | |
| CN112461535A (en) | Equipment for detecting ultra-underpressure self-closing performance of pipeline gas self-closing valve | |
| CN106404379A (en) | Safety valve performance online detection device | |
| CN103162956A (en) | Method and system for detecting comprehensive performance of pneumatic brake four circuit protection valve | |
| CN203350004U (en) | Automatic detecting device of cockpit air tight test | |
| CN206208505U (en) | A kind of low-temperature pressure sluggishness experimental rig of clamp | |
| CN106323621A (en) | Low-temperature pressure hysteresis test device for clamp | |
| CN205898435U (en) | Gas -liquid brake valve test bench | |
| CN203572617U (en) | Testing device for inspecting sensor for measuring liquid pressure | |
| CN204228364U (en) | A kind of air tightness detection apparatus | |
| CN103728438A (en) | Automatic air pressurization control method for petroleum pour point measurement | |
| CN203365058U (en) | Multi-station differential pressure and pressure transmitter calibration table | |
| CN210834054U (en) | Air tightness test device for through passage system | |
| CN207717261U (en) | Pneumatic tension and compression force tester | |
| CN204116036U (en) | Wheelchair static test of pressure machine | |
| CN110487530B (en) | Dynamic performance test system and device for pressure reducer | |
| CN205898477U (en) | Railcar braking system valve class test bench | |
| CN203163983U (en) | Device for detecting comprehensive performances of pneumatic brake four-circuit protection valve | |
| CN209085871U (en) | A kind of compressor cylinder leak detector | |
| CN209280319U (en) | One kind being used for the quick water-blowing device of engine pedestal pressure measurement pipeline | |
| CN107560804A (en) | A kind of check valve air tightness detecting system and method | |
| CN207741907U (en) | A kind of check valve air tightness detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |