CN109839282A - Electro-hydraulic servo formula damper test platform - Google Patents
Electro-hydraulic servo formula damper test platform Download PDFInfo
- Publication number
- CN109839282A CN109839282A CN201711194113.XA CN201711194113A CN109839282A CN 109839282 A CN109839282 A CN 109839282A CN 201711194113 A CN201711194113 A CN 201711194113A CN 109839282 A CN109839282 A CN 109839282A
- Authority
- CN
- China
- Prior art keywords
- damper
- controller
- vibration exciter
- vehicle body
- hydraulic
- 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.)
- Withdrawn
Links
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of damper test platforms, more particularly to a kind of electro-hydraulic servo formula damper test platform, including servo valve, controller, monitor computer, damper, vehicle body counterweight and hydraulic vibration exciter, damper upper end is connected firmly with vehicle body counterweight, vehicle body Balance weight end free movement is used for simulated automotive body movement state, damper bottom end is connect with hydraulic vibration exciter, hydraulic vibration exciter is equipped with displacement sensor, vehicle body counterweight is equipped with acceleration transducer one, the part that damper is connect with hydraulic vibration exciter is equipped with acceleration transducer two, monitoring computer is connect with controller, the output end and displacement sensor of controller, acceleration transducer one, acceleration transducer two connects, controller realizes the control to hydraulic vibration exciter by servo valve；Using the electro-hydraulic servo formula damper test platform of technical solution of the present invention, guarantee system stability, improves system bandwidth, test platform is made accurately to test the decaying of absorber damping force and acceleration.
Description
Technical field
The present invention relates to a kind of damper test platforms, and in particular to a kind of electro-hydraulic servo formula damper test platform.
Background technique
Damper is the important component of automobile suspension system, and the superiority and inferiority of performance is directly related to the steady of automobile
Property, comfort and control stability.In recent years, due to the fast development of automobile industry, market increases the demand of damper
Greatly, performance requirement improve, further promote China to study damper test platform advanced technology, accelerate damper and
The localization process of its experimental technique.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, electro-hydraulic servo formula damper test platform is provided, guarantees system
System stability, improves system bandwidth, test platform is made accurately to test the decaying of absorber damping force and acceleration.
In order to solve the above technical problems, present invention employs electro-hydraulic servo formula damper test platform, including servo valve, control
Device, monitoring computer, damper, vehicle body counterweight and hydraulic vibration exciter processed, wherein the damper upper end and vehicle body counterweight are solid
Connection, the vehicle body Balance weight end free movement are used for simulated automotive body movement state, damper bottom end and the hydraulic vibration exciter
Connection, the hydraulic vibration exciter are equipped with displacement sensor, and the vehicle body counterweight is equipped with acceleration transducer one, the vibration damping
The part that device is connect with the hydraulic vibration exciter is equipped with acceleration transducer two, and the monitoring computer and the controller connect
It connects, output end and institute's displacement sensors, the acceleration transducer one, the acceleration transducer two of the controller connect
It connects, the controller realizes the control to the hydraulic vibration exciter by the servo valve.
Further, in above-mentioned technical proposal, the controller uses PC104.
Further, in above-mentioned technical proposal, the controller includes data snap-gauge.
The utility model has the advantages that electro-hydraulic servo formula damper test platform is fast using response frequency, controls essence possessed by of the invention
It spends the servoBcylinder of high electrohydraulic servo valve and low friction coefficient and provides exciting source for testing stand, while will displacement, speed, acceleration
Three condition control strategy is applied in test macro, to improve the precision of test platform, so that test platform is reached automobile and subtracts
The performance indicator requirement that the device that shakes is tested, can accurately test the decaying of absorber damping force and acceleration, preferable simulation
Damper actual condition.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Wherein: servo valve 1, controller 2, monitoring computer 3, damper 4, vehicle body counterweight 5, hydraulic vibration exciter 6, displacement pass
Sensor 7, acceleration transducer 1, acceleration transducer 29.
Specific embodiment
The present invention will be further described below with reference to the drawings.
As shown in Figure 1, the present invention provides electro-hydraulic servo formula damper test platform, including servo valve 1, controller 2, monitoring
Computer 3, damper 4, vehicle body counterweight 5 and hydraulic vibration exciter 6, wherein 4 upper end of damper is connected firmly with vehicle body counterweight 5, and vehicle body is matched
5 end free movements are weighed for simulated automotive body movement state, 4 bottom end of damper is connect with hydraulic vibration exciter 6, hydraulic vibration exciter
6 are equipped with displacement sensor 7, and vehicle body counterweight 5 is equipped with acceleration transducer 1, and damper 4 is connect with hydraulic vibration exciter 6
Part is equipped with acceleration transducer 29, and monitoring computer 3 is connect with controller 2, the output end and displacement sensor of controller 2
7, acceleration transducer 1, acceleration transducer 29 connect, and controller 2 realizes the control to hydraulic vibration exciter 6 by servo valve 1
System.
Controller 2 uses PC104.
Controller 2 includes data snap-gauge.
Electro-hydraulic servo formula damper test platform is fast using response frequency, controls electrohydraulic servo valve with high accuracy and low friction
The servoBcylinder of factor provides exciting source for testing stand, while displacement, speed, acceleration three condition control strategy are applied to test
In system, to improve the precision of test platform, test platform is made to reach the performance indicator requirement of vehicle shock absorber test, energy
Enough decaying for accurately testing absorber damping force and acceleration, preferable simulation damper actual condition.
The description and the appended drawings of the invention be considered as it is illustrative and not restrictive, on the basis of the present invention, ability
According to disclosed technology contents, some of technical characteristics can be made field technique personnel by not needing creative labor
Some replacements and deformation, are within the scope of the invention.
Claims (3)
1. electro-hydraulic servo formula damper test platform, including servo valve, controller, monitoring computer, damper, vehicle body counterweight and
Hydraulic vibration exciter, it is characterised in that: the damper upper end is connected firmly with vehicle body counterweight, and the vehicle body Balance weight end free movement is used for
Simulated automotive body movement state, damper bottom end are connect with the hydraulic vibration exciter, and the hydraulic vibration exciter is equipped with displacement
Sensor, the vehicle body counterweight are equipped with acceleration transducer one, the part that the damper is connect with the hydraulic vibration exciter
Equipped with acceleration transducer two, the monitoring computer is connect with the controller, the output end and institute's rheme of the controller
Displacement sensor, the acceleration transducer one, the acceleration transducer two connect, and the controller is real by the servo valve
Now to the control of the hydraulic vibration exciter.
2. electro-hydraulic servo formula damper test platform according to claim 1, it is characterised in that: the controller uses
PC104。
3. electro-hydraulic servo formula damper test platform according to claim 1, it is characterised in that: the controller includes number
According to snap-gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194113.XA CN109839282A (en) | 2017-11-24 | 2017-11-24 | Electro-hydraulic servo formula damper test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194113.XA CN109839282A (en) | 2017-11-24 | 2017-11-24 | Electro-hydraulic servo formula damper test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109839282A true CN109839282A (en) | 2019-06-04 |
Family
ID=66877329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711194113.XA Withdrawn CN109839282A (en) | 2017-11-24 | 2017-11-24 | Electro-hydraulic servo formula damper test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109839282A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763198A (en) * | 2020-12-28 | 2021-05-07 | 国营第六一六厂 | Camshaft bending fatigue test device |
-
2017
- 2017-11-24 CN CN201711194113.XA patent/CN109839282A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763198A (en) * | 2020-12-28 | 2021-05-07 | 国营第六一六厂 | Camshaft bending fatigue test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101216376B (en) | Four-column type rail vehicle bogie rigidity detection system | |
| CN100516813C (en) | Multifunction shockabsorber for automobile and quarter cantilever operation-condition-simulating testing table | |
| CN101907523B (en) | Rigid body mode testing method for powertrain suspension system under loading condition | |
| CN108100302B (en) | Experimental excitation device of heart characteristic in helicopter tail-rotor hub | |
| CN107782569A (en) | A kind of passage suspension universal test platform of three axle six | |
| CN203350048U (en) | Six-dimensional parallel test stand for automobile suspension frame test | |
| CN108008719B (en) | Closed-loop control test device and test method for urban rail train electronic brake control unit | |
| CN103558079A (en) | Multi-degree-of-freedom loading method based on parallel mechanism driving force closed loop | |
| CN205785865U (en) | A kind of vibration and power loading environment simulator stand | |
| CN103822789B (en) | A kind of core wheel determination of six components of foree method and system | |
| CN104908896A (en) | Six-degree-of-freedom connector for ultra-large floating body composed of modules | |
| CN202092856U (en) | Bench tester for autocrane frame | |
| CN202420880U (en) | Strong wind overturning resistance capacity testing device for railway vehicle | |
| CN109115526A (en) | A kind of six channel Road Simulation Test method of rear axle | |
| CN106446387A (en) | Fatigue life prediction method of high-speed magnetic levitation train brake magnet connecting device | |
| CN203869972U (en) | Rubber part test device for automobile shock absorber | |
| CN109839282A (en) | Electro-hydraulic servo formula damper test platform | |
| CN202614540U (en) | Loading device based on parallel mechanism with six degrees of freedom | |
| CN201754117U (en) | Comparison type dynamic-static torque standard machine | |
| CN204479281U (en) | A kind of six-degree-of-freedom parallel connection mechanism loading system | |
| CN113125176A (en) | Single electromagnet test bed and automatic detection system thereof | |
| CN111003204B (en) | System and method for testing dynamic stiffness of horizontal tail servo actuating mechanism of airplane | |
| CN104181285A (en) | Triaxial coordinate loading machine for coal rock test | |
| CN104455157A (en) | Obtaining method of car seat suspension hydraulic buffer nonlinear speed characteristic parameter | |
| CN102768493B (en) | Intelligent vibration control device of ocean platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190604 |
|
| WW01 | Invention patent application withdrawn after publication |