CN201974299U - Fatigue test bed for steering gear - Google Patents
Fatigue test bed for steering gear Download PDFInfo
- Publication number
- CN201974299U CN201974299U CN201020514267XU CN201020514267U CN201974299U CN 201974299 U CN201974299 U CN 201974299U CN 201020514267X U CN201020514267X U CN 201020514267XU CN 201020514267 U CN201020514267 U CN 201020514267U CN 201974299 U CN201974299 U CN 201974299U
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- steering gear
- rocker arm
- load
- fatigue test
- actuator
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Abstract
The utility model discloses a fatigue test bed for a steering gear and an operation method of the fatigue test bed. The fatigue test bed comprises an input end driving device, a steering gear fixed worktable, and an output end load simulation device comprising a horizontal load actuator capable of simulating the horizontal load of an output end, a vertical load actuator capable of simulating the vertical impact load of the output end, an actuator installing support, and a rocker arm mechanism, wherein the rocker arm mechanism is integrally arranged at the output end of the vertical load actuator, with one end of the rocker arm mechanism being stretched into a test environment box and connected with the output end of an outside link of the steering gear, and the other end of the rocker arm mechanism being connected with the horizontal load actuator; and the fatigue test bed also comprises a temperature control device capable of simulating driving environment at different temperatures, i.e. the test environment box capable of accommodating the steering gear fixed worktable. The fatigue test bed for the steering gear can simulate not only the horizontal load of the output end, but also the vertical impact load to the output end caused by uneven road as well as the driving environment at different temperatures.
Description
Technical field
The utility model relates to a kind of testing table that is used for the steering gear torture test, especially relates to a kind of fatigue test board that can simulate under actual driving road-condition and the simulation different temperatures environment.
Background technology
At present, the common high low temperature fatigue experimental device of steering gear is made up of steering gear stationary work-table, input end drive unit and output terminal load simulating device etc.During test, steering gear is fixed on the worktable, by specified speed drive input shaft, output terminal loads the load of certain level direction on request, and the specified number of times that circulates carries out tired long duration test.But, this kind test unit can only analog output horizontal load, ground is in the face of the friction force of tire when promptly turning to, and can't be to the vertical impact load that owing to road bump output terminal is caused in the actual driving process, and the environment under the different temperatures is simulated, thereby can't reach good simulate effect, differ greatly with the steering gear actual condition.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of steering gear fatigue test board at problems of the prior art, its objective is can not only analog output horizontal load, and can simulate since road bump to the vertical impact load of output terminal and the environment under the different temperatures.
The technical solution of the utility model is that this a kind of steering gear fatigue test board comprises the input end drive unit, steering gear stationary work-table and output terminal load simulating device, described testing table also comprises the experimental enviroment case of the steering gear the held stationary work-table of the environment that can simulate different temperatures, described output terminal load simulating device comprise can the analog output horizontal load the horizontal load actuator, normal load actuator that can analog output vertical impact load, actuator erection support and rocker arm body, described rocker arm body integral installation is at the output terminal of normal load actuator, and an end of described rocker arm body stretches in the experimental enviroment case and is connected with the outside link output terminal of steering gear, and the other end of described rocker arm body is connected with the horizontal load actuator.
Described rocker arm body is made up of two orthogonal " L " type rocking arms, the rocking arm that is connected with the outside link output terminal of steering gear is an inner rocker arm, and tie point is interior tie point, and the rocking arm that is connected with the horizontal load actuator is an outer rocker arm, tie point is outer tie point, and the radius of two rocking arms is identical.
Described horizontal load actuator has load and two kinds of control modes of displacement, realizes sine, rectangle and three kinds of waveform loads outputs of triangular wave.
Described normal load actuator is controlled by displacement, realizes the displacement output of sinusoidal and two kinds of waveforms of triangular wave.
Described experimental enviroment case adopts heater strip heating and compressor train refrigeration, realizes the thermostatic control of arbitrary temp.
Described input end drive unit comprises can make that input end is realized all around, moved up and down, horizontal rotation and vertically turn round the adjustment support that multiple degrees of freedom is adjusted.
Steering gear fatigue test board with above-mentioned special construction has the following advantages:
1. tie point connects the outside link output terminal of steering gear in the rocking arm of this kind steering gear fatigue test board, and the outer tie point of rocking arm connects horizontal load actuator output terminal, the outside link output terminal that is delivered to steering gear of the load equivalent that the horizontal load actuator is produced; Rocker arm body integral installation simultaneously can realize the loading of vertical direction to the output terminal of steering gear at the output terminal of normal load actuator; Steering gear stationary work-table integral body is placed in the airtight environmental cabinet, can realize the experimental enviroment of high low temperature.
2. the radius of two rocking arms of this kind steering gear fatigue test board is identical, the outside link output terminal that is delivered to steering gear of the load equivalent that the horizontal load actuator produces, can realize specified loading by the horizontal load actuator being produced the control of load like this to the steering gear output terminal.
3. the input end drive unit of this kind steering gear fatigue test board is made up of servomotor, reductor, torque sensor, adjustment support, coupling shaft etc., adjust that support can make that the input end all around is moved, moved up and down, multiple degrees of freedom adjustment such as horizontal rotation and vertical revolution, can satisfy the different installation requirements of different steering gear input ends.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of horizontal load actuator in the utility model.
In Fig. 1-2,1: the input end drive unit; 2: the steering gear stationary work-table; 3: the experimental enviroment case; 4: the horizontal load actuator; 5: the normal load actuator; 6: the actuator erection support; 7: rocker arm body.
Embodiment
By structure combination illustrated in figures 1 and 2 as can be known, this kind steering gear fatigue test board comprises input end drive unit 1, steering gear stationary work-table 2 and output terminal load simulating device, testing table also comprises the temperature control equipment of the environment that can simulate different temperatures, can hold the experimental enviroment case 3 of steering gear stationary work-table 2; The output terminal load simulating device comprises horizontal load actuator 4 that can the analog output horizontal load, normal load actuator 5, actuator erection support 6 and rocker arm body 7 that can analog output vertical impact load; rocker arm body 7 integral installations are at the output terminal of normal load actuator 5; and an end of rocker arm body 7 stretches in the experimental enviroment case 3 and is connected with the outside link output terminal of steering gear, and the other end of rocker arm body 7 is connected with horizontal load actuator 4; Rocker arm body 7 is made up of two orthogonal " L " type rocking arms, the rocking arm that is connected with the outside link output terminal of steering gear is an inner rocker arm, tie point is interior tie point, the rocking arm that is connected with horizontal load actuator 4 is an outer rocker arm, tie point is outer tie point, and the radius of two rocking arms is identical, the outside link output terminal that is delivered to steering gear of the load equivalent that horizontal load actuator 4 produces, like this can be by horizontal load actuator 4 being produced the control of load, realization is to the specified loading of steering gear output terminal, horizontal load actuator 4 has load and two kinds of control modes of displacement, can realize sine, three kinds of waveform load outputs of rectangle and triangular wave.
Steering gear stationary work-table 2 integral body are placed in the airtight experimental enviroment case 3, and experimental enviroment case 3 adopts heater strip heating and compressor train refrigeration, can guarantee high cryogenic thermostat, realizes the thermostatic control of arbitrary temp.The back of experimental enviroment case 3 has two circular holes, is used for introducing the input end driving force, respectively has an oblong aperture about the rear lower of experimental enviroment case 3, is used for introducing rocking arm.
Input end drive unit 1 is made up of servomotor, reductor, torque sensor, adjustment support, coupling shaft etc., adjust that support can make that the input end all around is moved, moved up and down, multiple degrees of freedom adjustment such as horizontal rotation and vertical revolution, can satisfy the different installation requirements of different steering gear input ends.
The method of operating of utilizing this kind steering gear fatigue test board to test is specially:
1) will test exemplar steering gear clamping on steering gear stationary work-table 2;
2) adjust the position of left and right horizontal load actuator 4 according to actual needs by the displacement control mode of horizontal load actuator 4, make the outer bulb of the steering gear interior tie point of rocker arm body 7 of can packing into, and be fixed in the mounting hole on left and right horizontal load actuator 4 rocking arms;
3) input shaft that will test the exemplar steering gear is connected with the input shaft of testing table;
4) open system oil pump;
5) set the test cycle index, begin test.
Horizontal input end can load or load simultaneously with vertical input end according to the test needs are independent, and opens the level loading open vertical loading earlier when the needs vertical loading after again, directly opens the level loading as the situation that only needs level to load and gets final product.
The control mode of the commutation of input end has moment of torsion control and corner control dual mode, and moment of torsion control requires input specified moment of torsion and angular velocity, and corner control requires input specified angle and angular velocity.
Steering gear is fixed in the experimental enviroment case 3, and the working environment of steering gear is independently kept apart, and realizes the loading transfer that experimental enviroment case 3 is inside and outside by rocker arm body 7, better realizes the constant of high and low temperatures in the experimental enviroment case 3.Can realize loading by rocker arm body 7 to steering gear outside link output terminal level and vertical both direction.
Claims (4)
1. steering gear fatigue test board, comprise input end drive unit (1), steering gear stationary work-table (2) and output terminal load simulating device, it is characterized in that: described testing table also comprises the experimental enviroment case (3) of the steering gear the held stationary work-table (2) of the environment that can simulate different temperatures, described output terminal load simulating device comprise can the analog output horizontal load horizontal load actuator (4), normal load actuator (5) that can analog output vertical impact load, actuator erection support (6) and rocker arm body (7), described rocker arm body (7) integral installation is at the output terminal of normal load actuator (5), and an end of described rocker arm body (7) stretches in the experimental enviroment case (3) and is connected with the outside link output terminal of steering gear, and the other end of described rocker arm body (7) is connected with horizontal load actuator (4).
2. a kind of steering gear fatigue test board according to claim 1, it is characterized in that: described rocker arm body (7) is made up of two orthogonal " L " type rocking arms, the rocking arm that is connected with the outside link output terminal of steering gear is an inner rocker arm, tie point is interior tie point, the rocking arm that is connected with horizontal load actuator (4) is an outer rocker arm, tie point is outer tie point, and the radius of two rocking arms is identical.
3. according to claim 1, the described a kind of steering gear fatigue test board of 2 each claims, it is characterized in that: described experimental enviroment case (3) adopts heater strip heating and compressor train refrigeration.
4. a kind of steering gear fatigue test board according to claim 3 is characterized in that: described input end drive unit comprises can make that input end is realized all around, moved up and down, horizontal rotation and vertically turn round the adjustment support that multiple degrees of freedom is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020514267XU CN201974299U (en) | 2010-08-30 | 2010-08-30 | Fatigue test bed for steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020514267XU CN201974299U (en) | 2010-08-30 | 2010-08-30 | Fatigue test bed for steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974299U true CN201974299U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020514267XU Expired - Lifetime CN201974299U (en) | 2010-08-30 | 2010-08-30 | Fatigue test bed for steering gear |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975668A (en) * | 2010-08-30 | 2011-02-16 | 芜湖世特瑞转向系统有限公司 | Diverter fatigue test bench and operating method thereof |
| CN102582846A (en) * | 2012-02-14 | 2012-07-18 | 南京航空航天大学 | Three-dimensional steering mechanism load simulator and loading method therefor |
| CN103207072A (en) * | 2013-04-22 | 2013-07-17 | 上海大学 | Testing machine for adjusting durability of car steering column |
| CN107063707A (en) * | 2017-03-13 | 2017-08-18 | 四川绵阳德鑫机械有限公司 | Air power steering tubing string governor motion fatigue test board |
| CN110018001A (en) * | 2019-04-24 | 2019-07-16 | 广州小鹏汽车科技有限公司 | A kind of the steering system assembly experimental rig and method of simulated roadway |
| CN116183254A (en) * | 2023-04-27 | 2023-05-30 | 豫北转向系统(新乡)股份有限公司 | Detection device for electric pipe column noise |
-
2010
- 2010-08-30 CN CN201020514267XU patent/CN201974299U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975668A (en) * | 2010-08-30 | 2011-02-16 | 芜湖世特瑞转向系统有限公司 | Diverter fatigue test bench and operating method thereof |
| CN102582846A (en) * | 2012-02-14 | 2012-07-18 | 南京航空航天大学 | Three-dimensional steering mechanism load simulator and loading method therefor |
| CN102582846B (en) * | 2012-02-14 | 2016-04-20 | 南京航空航天大学 | Three-dimensional reorientation mechanism load simulator and loading method thereof |
| CN103207072A (en) * | 2013-04-22 | 2013-07-17 | 上海大学 | Testing machine for adjusting durability of car steering column |
| CN107063707A (en) * | 2017-03-13 | 2017-08-18 | 四川绵阳德鑫机械有限公司 | Air power steering tubing string governor motion fatigue test board |
| CN107063707B (en) * | 2017-03-13 | 2019-06-14 | 四川绵阳德鑫机械有限公司 | Air power steering tubing string regulating mechanism fatigue test board |
| CN110018001A (en) * | 2019-04-24 | 2019-07-16 | 广州小鹏汽车科技有限公司 | A kind of the steering system assembly experimental rig and method of simulated roadway |
| CN116183254A (en) * | 2023-04-27 | 2023-05-30 | 豫北转向系统(新乡)股份有限公司 | Detection device for electric pipe column noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |