CN201016861Y - Diverter fatigue-testing machine - Google Patents
Diverter fatigue-testing machine Download PDFInfo
- Publication number
- CN201016861Y CN201016861Y CNU2007200344546U CN200720034454U CN201016861Y CN 201016861 Y CN201016861 Y CN 201016861Y CN U2007200344546 U CNU2007200344546 U CN U2007200344546U CN 200720034454 U CN200720034454 U CN 200720034454U CN 201016861 Y CN201016861 Y CN 201016861Y
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- Prior art keywords
- steering gear
- cycloidal
- tester
- steering
- output shaft
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- Expired - Fee Related
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Abstract
The utility model provides a steering gear fatigue tester, including a driving device and a loading device. The driving device consists of a motor and a cycloidal pin-wheel reducer. The output shaft of the motor is connected with the input shaft of the cycloidal pin-wheel reducer. The output shaft of the cycloidal pin-wheel reducer is connected with the input end of a steering gear. The loading device includes a hydraulic cylinder and a lever mechanism. The hydraulic cylinder is connected with the output end of the steering gear. The output end of the steering gear is equipped with a sensor. The tester has the advantages of simple structure and convenient loading parameters adjustment, which can be applied to various steering gears. The tester also has the advantages of low manufacturing cost, novel design, compact structure, few faults, convenient maintenance and low fitting and kinetic energy cost. The tester can do wear tests of mechanical and hydraulic power steering gears.
Description
Technical field
The utility model relates to automotive testing equipment, relates in particular to a kind of steering gear fatigue tester.
Background technology
China industry standard QC/T529-1999 automobile hydraulic steering augmentor and power steering gear assembly bench test method and QC/T29096-1992 automobile steering device assembly bench test method, separate provision the method that power steering stgear and manual steering gear are tested, the steering gear of China is mainly carried out bench test according to these two standards, wherein some pilot project is carried out under loading environment, but the added load of steering gear output terminal such as is at load according to the testing table of these two standard design, for example for rack and pinion steering gear, the employing tooth bar push-and-pull piston-type hydraulic cylinder that has, for recirculating ball-type steering, the employing rocking shaft that has drives the swing type hydraulic cylinder.The varying load of bearing when in a word, added load of these testing tables and steering gear output terminal are worked is inconsistent.After steering gear is installed on the automobile, the power that the steering gear output terminal bears is divided into two kinds: a kind of Hui Zhengli of being, its effect is to make steering gear get back to meta, and another kind is the friction on steering gear and steered wheel tire and ground, and its effect is the motion that hinders steering gear.Patent 92223334.9 adopts Hookean spring that the steering gear output terminal is loaded, and has realized the varying load loading.But the actual operating position of the existence of initial tension of spring and steering gear is variant, because steering gear is necessary overcome friction when turning to, the direction of friction force is opposite with the direction of motion of steering gear, make steering gear return and just become difficult, initial tension of spring then is along a direction, and its existence then helps just returning of steering gear; The loading spring rigidity of this patent is constant in addition, if will change the rigidity of spring, just must change spring; This patent is difficult to realize simultaneously wait load to load.
A kind of Shen gram testing machine is the five-shaft numerical control interlock, can be by the intercepting road spectrum, and the simulated roadway loading of jolting; But the road spectrum that this equipment carries is inapplicable, and does not possess the technology of gathering road spectrum at present, so this function can't normally play a role; The parts price costliness, procurement cycle is long, difficulty is big, and maintenance is difficult to assurance, and often breaks down, and has brought difficulty greatly for normal the use.The power cycles water consumption is big, and each test water, the electricity charge are done 12 tests every year and will be expended 480,000 yuans, the use cost height up to 40,000 yuan.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of steering gear fatigue tester is provided, actual steering resistance and damping that can simulated automotive, the realization varying load loads, and, can change loading characteristic, can also realize waiting load to load and the uniform velocity loading.
The purpose of this utility model is achieved through the following technical solutions:
The steering gear fatigue tester, comprise drive unit and charger, it is characterized in that: described drive unit is made up of motor and cycloidal-pin wheel speed reduction unit, and the output shaft of motor links to each other with the cycloidal-pin wheel input shaft of speed reducer, and the output shaft of cycloidal-pin wheel speed reduction unit links to each other with the input end of steering gear; Described charger comprises hydraulic cylinder and leverage, and hydraulic cylinder links to each other with the output terminal of steering gear through leverage; Sensor is arranged between steering gear output terminal and the leverage.
Further, above-mentioned steering gear fatigue tester, wherein, the output shaft of cycloidal-pin wheel speed reduction unit links to each other with the input end of steering gear by free-sliding spline.
Further, above-mentioned steering gear fatigue tester wherein, is provided with the photo-electric lead limit switch at steering gear output end position or leverage position.
The substantive distinguishing features of technical solutions of the utility model and progressive being mainly reflected in:
The utility model steering gear fatigue tester, actual steering resistance and damping that can simulated automotive realize that varying load loads, and, can change loading characteristic, can also realize waiting load to load and the uniform velocity loading.Manufacturing expense is low, novel in design, compact conformation, and fault is few, and is easy to maintenance; Accessory, kinetic energy expense are low.Testing table can be done the wear test of mechanical type, the steering gear of hydraulic booster formula.Do experiment and reach the requirement of the wear test among the QC/T 529 " automobile power steering gear assembly bench test method ".Its economic benefit and social effect are remarkable, have good application prospects.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model.
The implication of each Reference numeral is among the figure: 1-steering gear, 2-charger, 3-drive unit, 4-counter.
Embodiment
As shown in Figure 1, the steering gear fatigue tester comprises drive unit 3 and charger 2, and drive unit 3 is made up of motor and cycloidal-pin wheel speed reduction unit, the output shaft of motor links to each other with the cycloidal-pin wheel input shaft of speed reducer, and the output shaft of cycloidal-pin wheel speed reduction unit links to each other with the input end of steering gear; Charger 2 comprises hydraulic cylinder and leverage, and hydraulic cylinder links to each other with the output terminal of steering gear through leverage; Also be provided with sensor on the output terminal of steering gear, sensor is connected between steering gear output terminal and the leverage.Wherein, the output shaft of cycloidal-pin wheel speed reduction unit links to each other with the input end of steering gear by free-sliding spline.Be provided with the photo-electric lead limit switch at steering gear output terminal or leverage position.In the panel board position counter 4 is installed, links to each other with photo-electric lead limit switch parts.
Testing machine adopts motor-driven to add the method that cycloidal-pin wheel slows down, and output speed is controlled at 25 rev/mins, improves output torque simultaneously.Be easy to setup and adjustment, adopt free-sliding spline to connect, motor output shaft and experimental prototype input shaft can have certain included angle and not influence test.Driving mechanism can accurately rotate a certain angle according to the angle groove, also can move horizontally.Can adjust the position of oil cylinder according to the model machine size.
The size of loading force can be at the output terminal force sensor measuring of steering gear, and the relation of demarcating the oil cylinder moment of resistance and oil pressure is simultaneously directly adjusted manometric pressure, controls the damping size, reaches the effect of accurate loading.
Increase the power steering stgear torture test, increase power pump and fuel tank below platen, oil pump directly adopts the automobile power pump, drives oil pump with small size motor, and total system is simple and reliable, and accessory is cheap, the source is wide.
Signal by stroke limit counts automatically, does not lose after the outage, and is more accurate by the method for time and velocity estimation than the past.Adopt photo-electric lead limit switch control stroke, more accurate than past slip bell mechanism controls alive stroke.
In sum, technical solutions of the utility model fully absorb the advantage of Shen gram testing table, simplify servo loading system, can compare real simulated and turn to load and turn to damping, can carry out testing accordingly with actual steering load on testing table; Can also carry out the test relevant with waiting load.This testing machine structure is simple, and loading parameters is easy to adjust, can adapt to multiple steering gear.It is low that testing machine is made expense, novel in design, compact conformation, and fault is few, and is easy to maintenance; Accessory, kinetic energy expense are low.Testing table can be done the wear test of mechanical type, the steering gear of hydraulic booster formula.Do experiment and reach the requirement of the wear test among the QC/T529 " automobile power steering gear assembly bench test method ".Its application prospect is fine.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (3)
1. steering gear fatigue tester, comprise drive unit and charger, it is characterized in that: described drive unit is made up of motor and cycloidal-pin wheel speed reduction unit, and the output shaft of motor links to each other with the cycloidal-pin wheel input shaft of speed reducer, and the output shaft of cycloidal-pin wheel speed reduction unit links to each other with the input end of steering gear; Described charger comprises hydraulic cylinder and leverage, and hydraulic cylinder links to each other with the output terminal of steering gear through leverage; Sensor is arranged between steering gear output terminal and the leverage.
2. steering gear fatigue tester according to claim 1 is characterized in that: the output shaft of cycloidal-pin wheel speed reduction unit links to each other with the input end of steering gear by free-sliding spline.
3. steering gear fatigue tester according to claim 1 is characterized in that: be provided with the photo-electric lead limit switch at steering gear output terminal or leverage position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200344546U CN201016861Y (en) | 2007-02-12 | 2007-02-12 | Diverter fatigue-testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200344546U CN201016861Y (en) | 2007-02-12 | 2007-02-12 | Diverter fatigue-testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201016861Y true CN201016861Y (en) | 2008-02-06 |
Family
ID=39057355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200344546U Expired - Fee Related CN201016861Y (en) | 2007-02-12 | 2007-02-12 | Diverter fatigue-testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201016861Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364208A (en) * | 2012-04-01 | 2013-10-23 | 浙江万达汽车方向机有限公司 | Service-life test stand used for electric-power steering system |
| CN106441948A (en) * | 2016-11-25 | 2017-02-22 | 广西科技大学 | Fatigue property testing device of steering gear |
| CN113155487A (en) * | 2021-05-18 | 2021-07-23 | 北京博科测试系统股份有限公司 | Commercial car a steering system test bench |
-
2007
- 2007-02-12 CN CNU2007200344546U patent/CN201016861Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364208A (en) * | 2012-04-01 | 2013-10-23 | 浙江万达汽车方向机有限公司 | Service-life test stand used for electric-power steering system |
| CN106441948A (en) * | 2016-11-25 | 2017-02-22 | 广西科技大学 | Fatigue property testing device of steering gear |
| CN113155487A (en) * | 2021-05-18 | 2021-07-23 | 北京博科测试系统股份有限公司 | Commercial car a steering system test bench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING NANQI AUTOMOBILE REDIRECTOR CO., LTD. Free format text: FORMER OWNER: NANJING AUTOMOBILE GROUP CO. LTD. Effective date: 20080509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080509 Address after: No. 159, West Qinhuai Road, Jiangning economic and Technological Development Zone, Jiangsu, Nanjing: 211106 Patentee after: Nanjing Automotive Group Automotive Redirector Co., Ltd. Address before: No. 331, Central Road, Nanjing, Jiangsu Province, China: 210037 Patentee before: Nanjing Automobile Group Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: NANJING DONGHUA AUTOMOTIVE STEERING CO., LTD. Free format text: FORMER NAME: NANJING AUTOMOTIVE GROUP AUTOMOTIVE REDIRECTOR CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 211106 No. 159 West Qinhuai Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Donghua Automotive Steering Co. ,Ltd. Address before: 211106 No. 159 West Qinhuai Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: Nanjing Automotive Group Automotive Redirector Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20160212 |