CN208206493U - A kind of commercial vehicle pneumatic brake testing torsional fatigue system - Google Patents
A kind of commercial vehicle pneumatic brake testing torsional fatigue system Download PDFInfo
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- CN208206493U CN208206493U CN201820438720.XU CN201820438720U CN208206493U CN 208206493 U CN208206493 U CN 208206493U CN 201820438720 U CN201820438720 U CN 201820438720U CN 208206493 U CN208206493 U CN 208206493U
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- pneumatic brake
- solenoid valve
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009661 fatigue test Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model provides a kind of commercial vehicle pneumatic brake testing torsional fatigue system, air compressor is connect with air accumulator, air accumulator is connect with oil water separator, oil water separator is connect with one/bis- solenoid valve of channel, one/bis- solenoid valve of channel is connect with pneumatic brake, and pneumatic brake is connect with hydraulic servo torsion actuator；Automatic/hand switching switch and the aobvious tester of intelligent even numbers, the manually connection of debugging switch, manual debugging switch are connected with the aobvious tester of intelligent even numbers, the switch of channel one/bis-；Intelligent even numbers shows tester and connect with optical coupling module, optocoupler is connect with hydraulic servo torsion actuator controller, hydraulic servo reverses actuator controller and connect with hydraulic servo torsion actuator, and the switch of channel one is electrically connected with one solenoid valve of channel, and the switch of channel two is electrically connected with two solenoid valve of channel.Cooperate the electric control part specially developed using general hydraulic servo torsion actuator, can solve hydraulic servo torsion actuator problem asynchronous with brake air pressure-loading.
Description
Technical field
The utility model belongs to experimental rig field, more particularly, to a kind of commercial vehicle pneumatic brake testing torsional fatigue
System.
Background technique
Braking safety is one of most important performance of commercial vehicle.Compared with ordinary passenger car, commercial vehicle traffic accident is past
Toward more serious life and property loss can be generated, every year because commercial vehicle traffic accident caused by braking system faults is countless.
In the product verification test of commercial-vehicle brake, torsional fatigue performance is its crucial reliability index, is mostly used greatly in the past
Dedicated torsional fatigue test platform is tested, and the test period is long, equipment cost is high, control precision is low, poor universality, installation tune
Examination is complicated；If carrying out the test using general hydraulic servo torsion actuator, test efficiency can be greatly improved, reduced
Equipment cost reduces installation and debugging process, but actuator is asynchronous with brake air pressure-loading asks there are hydraulic servo torsion
Topic causes to control precision variation.Therefore, it is urgently to be resolved for researching and developing a kind of commercial vehicle pneumatic brake testing torsional fatigue system
The problem of.
Summary of the invention
In view of this, the utility model is directed to a kind of commercial vehicle pneumatic brake testing torsional fatigue system, this survey
Test system cooperates the electric control part specially developed using general hydraulic servo torsion actuator, can solve hydraulic servo torsion
Actuator problem asynchronous with brake air pressure-loading improves test efficiency and control precision, reduces experimentation cost, reduces installation
Debugging process.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of commercial vehicle pneumatic brake testing torsional fatigue system, including air compressor, air accumulator, water-oil separating
Device, two solenoid valve of channel, one solenoid valve of channel, pneumatic brake, hydraulic servo torsion actuator, hydraulic servo reverse actuator
Controller, optical coupling module, intelligent even numbers show tester, the switch of channel one, manually debugging switch, the switch of channel two, automatic/hand
Switching switch and earth leakage protective device, the air compressor are connect with air accumulator, and the air accumulator passes through pipeline and water-oil separating
Device connection, the oil water separator connect with two solenoid valve of channel and one solenoid valve of channel respectively, two solenoid valve of channel with
One solenoid valve of channel is connect with pneumatic brake, and the pneumatic brake connect with hydraulic servo torsion actuator and tried
It tests；The earth leakage protective device shows tester and is electrically connected with automatic/hand switching switch, intelligent even numbers respectively, the automatic/hand
Switch the upper contact of switch and intelligent even numbers show tester and be electrically connected, the lower contact of the automatic/hand switching switch with it is manual
Debugging switch electrical connection, the manual debugging switch switch electricity with the aobvious tester of intelligent even numbers, the switch of channel one, channel two respectively
Connection；The intelligence even numbers shows tester and is electrically connected with optical coupling module, and the optical coupling module and hydraulic servo reverse actuator control
Device electrical connection processed, hydraulic servo reverse actuator controller and send control instruction to optical coupling module；The hydraulic servo torsion is made
Dynamic device controller is electrically connected with hydraulic servo torsion actuator, realizes controlling test, the switch of channel one and one electromagnetism of channel
Valve electrical connection, the switch of channel two are electrically connected with two solenoid valve of channel, the unlatching/pass in manually controllable channel one and channel two
It closes.
Further, pressure reducing valve is equipped on the pipeline between the air accumulator and oil water separator.
Further, the model of the hydraulic servo torsion actuator are as follows: IST PD16F.
Further, the model of the hydraulic servo torsion actuator controller are as follows: IST 8800.
Further, the model of the optical coupling module are as follows: G5AL-14.
Further, the intelligent even numbers shows the model of tester are as follows: HB72- II.
Further, the model of the automatic/hand switching switch are as follows: ZB2-BE101C.
Further, the model that debugging switchs manually are as follows: ZB2-BE101C.
Compared with the existing technology, commercial vehicle pneumatic brake testing torsional fatigue system described in the utility model have with
Lower advantage: this system realizes commercial vehicle pneumatic brake torsional fatigue test, tool using general hydraulic servo torsion actuator
Standby manual/auto control model, manual mode can carry out tests exemplar debugging, and braking pressure may be implemented in automatic control mode
The synchronously control of load and hydraulic servo torsion actuator, it is different from brake air pressure-loading to solve hydraulic servo torsion actuator
Step problem；The test macro has binary channels simultaneously, can be same with two channels in an insufficient situation of channel air demand
When supply, this test macro can greatly improve test efficiency, reduce experimentation cost, improve test accuracy, reduce installation and debugging
Process.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of the utility model.
Description of symbols:
1, air compressor, 2, air accumulator, 3, pressure reducing valve, 4, oil water separator, 5, two solenoid valve of channel, 6, one electricity of channel
Magnet valve, 7, pneumatic brake, 8, hydraulic servo torsion actuator, 9, hydraulic servo torsion actuator controller, 10, optocoupler mould
Block, 11, the aobvious tester of intelligent even numbers, 12, the switch of channel one, 13, manual debugging switch, 14, the switch of channel two, 15, automatically/hand
Dynamic switching switch, 16, earth leakage protective device.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of commercial vehicle pneumatic brake testing torsional fatigue system, including air compressor 1, air accumulator 2, pressure reducing valve 3,
Oil water separator 4, two solenoid valve 5 of channel, one solenoid valve 6 of channel, pneumatic brake 7, hydraulic servo torsion actuator 8, hydraulic
Servo reverses actuator controller 9, optical coupling module 10, the aobvious tester 11 of intelligent even numbers, one switch 12 of channel, manually debugging switch
13, two switch 14 of channel, automatic/hand switching switch 15 and earth leakage protective device 16, the air compressor 1 connect with air accumulator 2
It connects, the air accumulator 2 is connect by pipeline with oil water separator 4, and pressure reducing valve 3, the water-oil separating are equipped on the pipeline
Device 4 is connect with two solenoid valve 5 of channel and one solenoid valve 6 of channel respectively, and two solenoid valve 5 of channel and one solenoid valve 6 of channel are
It is connect with pneumatic brake 7, the pneumatic brake 7 connect with hydraulic servo torsion actuator 8 and tested.This system is automatically controlled
Partially (only description firewire coupling part) includes: that the earth leakage protective device 16 is double with automatic/hand switching switch 15, intelligence respectively
Digital display tester 11 is electrically connected, and the upper contact of the automatic/hand switching switch 15 shows tester 11 with intelligent even numbers and is electrically connected,
The lower contact of the automatic/hand switching switch 15 is electrically connected with manual debugging switch 13, and the manual debugging switch 13 is distinguished
Tester 11, one switch 12 of channel, two switch 14 of channel is shown with intelligent even numbers to be electrically connected；The intelligence even numbers show tester 11 with
Optical coupling module 10 is electrically connected, and the optical coupling module 10 is electrically connected with hydraulic servo torsion actuator controller 9, hydraulic servo torsion
Actuator controller 9 sends control instruction to optical coupling module 10；The hydraulic servo torsion actuator controller 9 and hydraulic servo
It reverses actuator 8 to be electrically connected, realizes that controlling test, one switch 12 of channel are electrically connected with one solenoid valve 6 of channel, the channel
Two switches 14 are electrically connected with two solenoid valve 5 of channel, the unlatching/closing in manually controllable channel one and channel two.
The model of the hydraulic servo torsion actuator are as follows: IST PD16F.The hydraulic servo reverses actuator controller
Model are as follows: IST 8800.The model of the optical coupling module are as follows: G5AL-14.The intelligence even numbers shows the model of tester are as follows:
HB72-Ⅱ.The model of the automatic/hand switching switch are as follows: ZB2-BE101C.The model of debugging switch manually are as follows: ZB2-
BE101C.This test macro can detecte the pneumatic brake of following model: MBI_10000_221_0101.
The course of work of this example is as follows:
Earth leakage protective device 16 is closed the switch, automatic/hand switching switch 15 is switched to lower contact position, this position is hand
Dynamic debugging mode.Air compressor 1 is opened at this time, and adjustment pressure reducing valve 3 simultaneously closes off channel to regulation air pressure (such as 0.6MPa)
Two switch 14 of one switch 12 and channel, at this moment press debugging switch 13 manually can realize brake with regulation air-pressure brake,
The debugging of exemplar before this mode can be used for being tested.
Earth leakage protective device 16 is closed the switch, automatic/hand switching switch 15 is switched to upper contact position, this position is certainly
Dynamic control model.Air compressor 1 is opened at this time, and adjustment pressure reducing valve 3 is opened to regulation air pressure (such as 0.6MPa), closing passage one
Close 12 and two switch 14 of channel, by the way that the aobvious tester 11 of intelligent even numbers is arranged, can be set air pressure pressing time, the retention time,
Discharge time etc., while the parameter of hydraulic servo torsion actuator controller 9 is set, controller can control hydraulic servo torsion and make
The rotation angle and the speed of rotation of dynamic device 8, and in the defined time to 10 transmission+5V voltage of optical coupling module, 10 meeting of optical coupling module
On-off information is converted by+5V voltage, intelligent even numbers is defeated by and shows tester 11, intelligent even numbers shows tester 11 and receives on-off letter
It can be according to two solenoid valve 5 of state modulator channel and one solenoid valve of channel, 6 on-off be arranged before, to realize that braking pressure adds after number
It carries and reverses 9 synchronously control of actuator with hydraulic servo.Under this scheme, the commercial vehicle pneumatic brake of setpoint frequency can be carried out
Torsional fatigue test.
This test macro cooperates the electric control part specially developed using general hydraulic servo torsion actuator, can solve
Hydraulic servo reverses asynchronous with the brake air pressure-loading problem of actuator, can be with compared with dedicated torsional fatigue test platform
Test efficiency and control precision are greatly improved, experimentation cost is reduced, reduces installation and debugging process.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of commercial vehicle pneumatic brake testing torsional fatigue system, it is characterised in that: including air compressor, air accumulator,
Oil water separator, two solenoid valve of channel, one solenoid valve of channel, pneumatic brake, hydraulic servo torsion actuator, hydraulic servo are turned round
Turn actuator controller, optical coupling module, intelligent even numbers show tester, the switch of channel one, manually debugging switch, the switch of channel two,
Automatic/hand switching switch and earth leakage protective device, the air compressor connect with air accumulator, the air accumulator pass through pipeline and
Oil water separator connection, the oil water separator are connect with two solenoid valve of channel and one solenoid valve of channel respectively, the channel two
Solenoid valve and one solenoid valve of channel are connect with pneumatic brake, and the pneumatic brake and hydraulic servo torsion actuator connect
It connects；The earth leakage protective device shows tester and is electrically connected with automatic/hand switching switch, intelligent even numbers respectively, the automatic/hand
Switch the upper contact of switch and intelligent even numbers show tester and be electrically connected, the lower contact of the automatic/hand switching switch with it is manual
Debugging switch electrical connection, the manual debugging switch switch electricity with the aobvious tester of intelligent even numbers, the switch of channel one, channel two respectively
Connection；The intelligence even numbers shows tester and is electrically connected with optical coupling module, and the optical coupling module and hydraulic servo reverse actuator control
Device electrical connection processed, the hydraulic servo torsion actuator controller are electrically connected with hydraulic servo torsion actuator, the channel one
Switch is electrically connected with one solenoid valve of channel, and the switch of channel two is electrically connected with two solenoid valve of channel.
2. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1, it is characterised in that: in institute
The pipeline stated between air accumulator and oil water separator is equipped with pressure reducing valve.
3. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1 or 2, it is characterised in that:
The model of the hydraulic servo torsion actuator are as follows: IST PD16F.
4. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1, it is characterised in that: described
The model of hydraulic servo torsion actuator controller are as follows: IST 8800.
5. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1, it is characterised in that: described
The model of optical coupling module are as follows: G5AL-14.
6. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1, it is characterised in that: described
Intelligent even numbers shows the model of tester are as follows: HB72- II.
7. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1, it is characterised in that: described
The model of automatic/hand switching switch are as follows: ZB2-BE101C.
8. a kind of commercial vehicle pneumatic brake testing torsional fatigue system according to claim 1, it is characterised in that: manually
Debug the model of switch are as follows: ZB2-BE101C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438720.XU CN208206493U (en) | 2018-03-29 | 2018-03-29 | A kind of commercial vehicle pneumatic brake testing torsional fatigue system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438720.XU CN208206493U (en) | 2018-03-29 | 2018-03-29 | A kind of commercial vehicle pneumatic brake testing torsional fatigue system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208206493U true CN208206493U (en) | 2018-12-07 |
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ID=64525797
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438720.XU Expired - Fee Related CN208206493U (en) | 2018-03-29 | 2018-03-29 | A kind of commercial vehicle pneumatic brake testing torsional fatigue system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208206493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444730A (en) * | 2018-03-29 | 2018-08-24 | 中国汽车技术研究中心有限公司 | A kind of commercial car pneumatic brake testing torsional fatigue system |
-
2018
- 2018-03-29 CN CN201820438720.XU patent/CN208206493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444730A (en) * | 2018-03-29 | 2018-08-24 | 中国汽车技术研究中心有限公司 | A kind of commercial car pneumatic brake testing torsional fatigue system |
| CN108444730B (en) * | 2018-03-29 | 2024-04-09 | 中国汽车技术研究中心有限公司 | Torsion fatigue test system for pneumatic brake of commercial vehicle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |