CN202204682U - Bending resistance and fatigue test bench for steering wheel and test device - Google Patents
Bending resistance and fatigue test bench for steering wheel and test device Download PDFInfo
- Publication number
- CN202204682U CN202204682U CN2011202734196U CN201120273419U CN202204682U CN 202204682 U CN202204682 U CN 202204682U CN 2011202734196 U CN2011202734196 U CN 2011202734196U CN 201120273419 U CN201120273419 U CN 201120273419U CN 202204682 U CN202204682 U CN 202204682U
- Authority
- CN
- China
- Prior art keywords
- actuator
- bearing circle
- support
- bending test
- expansion link
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a bending resistance and fatigue test bench for a steering wheel. The bending resistance and fatigue test bench comprises a support device, a first actuator and a second actuator, wherein the first actuator is arranged on the support device and controlled by an external control device, and the second actuator is arranged on the support device corresponding to the first actuator and also controlled by the control device; and when the steering wheel to be tested is fixed on the support device for being subjected to a bending resistance and fatigue test, the first actuator and the second actuator alternatively and circularly load the two sides of a part to be tested of the steering wheel to be tested through being controlled by the control device. The utility model further provides a bending resistance and fatigue test device for the steering wheel, which comprises the bending resistance and fatigue test bench for the steering wheel and the control device. With the adoption of the technical scheme in the utility model, the working condition of the steering wheel during practical use can be more actually simulated, and the test data can be more accurate.
Description
Technical field
The utility model relates to a kind of mechanical performance tester, relates in particular to a kind of bearing circle fatigue bending test stand and test unit.
Background technology
What adopt for the fatigue bending test of vehicle steering at present is to be connected bearing circle detected part and actuator are rigid with a securing member, and soon bearing circle detected part and actuator are stretched, and the club head place is rigid to tighten together.The bearing circle detected part is the weakest position of selected directions dish often, is example with the common circular direction dish with three radial strut at present, its weakest position be the center position of holding the ring segmental arc of the folded bearing circle of two radial strut.During test, actuator action with on the bearing circle axial direction to the bearing circle detected part application of force, thereby bearing circle deforms.
Under perfect condition; Actuator only on the axial direction of bearing circle to the detected part application of force of bearing circle; And bearing circle in the radial direction to the detected part of the bearing circle application of force not, bearing circle is held the restriction that ring receives radial strut because of stressed generation Free Transform because of detected part is residing; Detected part is because of the stressed original position that departs from when far away; The radial distance of detected part and bearing circle central shaft is more little, so the movement locus of detected part is not on the straight line of strict axial direction at bearing circle, but a curve.
But in reality; Because what adopt between actuator and the bearing circle detected part point is rigid being fastenedly connected; In actuator rectilinear motion process; Actuator is except that applying the acting force bearing circle on the axial direction of bearing circle, and it has also produced radial force because of the variation of bearing circle radial dimension in process of the test to bearing circle, has hindered the Free Transform of bearing circle; And in actuator backhaul process, because the speed of actuator can have influence on the rebound velocity after the elastic deformation of bearing circle, bearing circle is recovery of elasticity freely.Therefore, adopt this technical scheme can not fully simulate bearing circle operating mode in actual use, can cause test figure inaccurate.
The utility model content
In order to solve the problem that can't fully simulate bearing circle operating mode in actual use in the prior art, the utility model provides a kind of bearing circle fatigue bending test stand.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: a kind of bearing circle fatigue bending test stand, comprise bracing or strutting arrangement and be arranged on this bracing or strutting arrangement and receive outside control device control first actuator and with corresponding second actuator that is arranged on the said bracing or strutting arrangement and also receives said control device control of this first actuator; When bearing circle to be measured being fixed in when carrying out fatigue bending test on the said bracing or strutting arrangement; The detected part of said bearing circle to be measured is between said first actuator and said second actuator, and this first actuator is loaded by the control alternate cycles ground of said control device respectively to the detected part both sides of said bearing circle to be measured with this second actuator.
Adopt such structure, during test, control device is controlled the detected part both sides application of force on the axial direction of bearing circle to bearing circle to be measured of two actuator alternate cycles; Two actuator and bearing circle to be measured are separate; Do not adopt between them to be fastenedly connected, make that the detected part of bearing circle to be measured is not stressed in the radial direction after stressed, the distortion that bearing circle takes place more approaches Free Transform; Bearing circle does not receive pining down of actuator, elastic recovery freely yet when resilience; And the acting force of two actuator is constant and adjustable size power, and the distance of this acting force effect can be according to the distortion situation of bearing circle and adjustment automatically.So, more real simulated bearing circle operating mode in actual use, make test figure more accurate.
Further improvement as the utility model; For the bearing circle that adapts to different model makes an experiment; Offer T type groove on the said bracing or strutting arrangement, in said first actuator, said second actuator and the said bearing circle to be measured at least one of which can slide along the T type groove on the said bracing or strutting arrangement.
Adopt such structure, when the bearing circle to different model made an experiment, scalable first actuator, second actuator or bearing circle mount pad slided into the appropriate location in the T of bracing or strutting arrangement type groove, to adapt to bearing circle to be measured is made an experiment.
As the further improvement of the utility model, for the application of force to the detected part of bearing circle to be measured is more even, said first actuator has first expansion link, and this first flexible club head place is equipped with the first rigidity briquetting; Said second actuator has second expansion link, and this second flexible club head place is equipped with the second rigidity briquetting; When said bearing circle to be measured being fixed in when carrying out fatigue bending test on the said bracing or strutting arrangement, the detected part of this bearing circle to be measured between the bar head of the bar head of said first expansion link and said second expansion link and the both sides of said detected part respectively with the said first rigidity briquetting and the said second rigidity briquetting over against.
Adopt such structure, do not adopt any constraint structure in the contact position of bearing circle to be measured and actuator, only the suitable rigidity briquetting of detected part area of usefulness and bearing circle to be measured guarantees its Free Transform; And actuator is more even to the application of force of bearing circle to be measured, and the external application of force of actuator can be transmitted on the bearing circle to be measured directly, rapidly, rigidly, more the real simulated actual condition.
Further improvement as the utility model; In order to measure the size of said first actuator or the external application of force of said second actuator; The said first flexible club head place and the said second flexible club head place one of which at least are equipped with pressure transducer, and this pressure transducer is used to detect the size of when said first actuator or the action of the said second actuator said first rigidity briquetting or the external application of force of the said second rigidity briquetting.
Perhaps, the said first flexible club head place is equipped with first pressure transducer, and this first pressure transducer detects the size of the external application of force of the said first rigidity briquetting when said first actuator is moved; The said second flexible club head place is equipped with second pressure transducer, and this second pressure transducer detects the size of the external application of force of the said second rigidity briquetting when said second actuator is moved.
Adopt such structure, can read the size of actuator in real time, be convenient to combine to test needs in view of the above and in time regulate the size of actuator the bearing circle application of force to be measured to the bearing circle application of force to be measured.
Further improvement as the utility model; For said first actuator or said second actuator are counted bearing circle application of force number of times to be measured, also comprise with said pressure transducer the counter that is connected, is used to read said first actuator or the said second actuator action frequency.
Further, said bracing or strutting arrangement comprise pedestal be arranged at first support and second support on the said pedestal, said first actuator is installed on this first support, said second actuator and this first actuator are installed on said second support accordingly; When travel direction dish fatigue bending test device, said bearing circle to be measured is installed on said first support.
Adopt the bracing or strutting arrangement of this spline structure, simple in structure, be easy to processing, make.
Further; Offer T type groove respectively on said first support and said second support; Said first actuator and said bearing circle to be measured can slide in the T type groove on said first support, and said second actuator can be slided in the T type groove on said second support; Offer T type groove on the said pedestal, said first support and said second support one of which at least can slide along the T type groove on the said pedestal.
Adopt such structure, said first, second actuator and said bearing circle to be measured can be according to test needs adjusting positions flexibly, and the bearing circle that the bearing circle fatigue bending test device of the utility model can better be adapted to different model makes an experiment.
Further, said first rigidity briquetting and the said second rigidity briquetting are the shape that has fillet, is rectangular parallelepiped; The actuator that said first actuator and said second actuator are with anti-rotation function rotates to prevent said first rigidity briquetting and the said second rigidity briquetting respectively; Said first actuator and said second actuator are the pneumatic type actuator, and said first expansion link and said second expansion link are respectively the cylinder rod of this first actuator and this second actuator; Said first support and said second support are square chest.
The rigidity briquetting adopts above-mentioned shape, can guarantee that the rigidity briquetting fully contacts with the bearing circle detected part, and can effectively avoid in the process of the test damage to bearing circle; The rigidity briquetting is fixed on actuator and can't be rotated; Can guarantee that the suffered pressure size of bearing circle detected part is stable; Thereby preventing the rigidity briquetting from actuator, rotating and the suffered pressure of bearing circle detected part is constantly changed influences test effect, makes test figure more accurate; And adopt such infrastructure cost cheap, simple in structure, easy to assembly.
In order to solve the problem that can't fully simulate bearing circle operating mode in actual use in the prior art, the utility model also provides a kind of bearing circle fatigue bending test device, comprises above-mentioned bearing circle fatigue bending test stand and above-mentioned control device.
The beneficial effect of the utility model is: the bearing circle fatigue bending test stand and the test unit that adopt the utility model; During test; Said control device is controlled the detected part both sides application of force on the axial direction of bearing circle to bearing circle to be measured of two actuator alternate cycles, and two actuator and bearing circle to be measured are separate, do not adopt between them to be fastenedly connected; Make that the detected part of bearing circle to be measured is not stressed in the radial direction after stressed; The distortion that bearing circle takes place more approaches Free Transform, and bearing circle does not receive pining down of actuator, elastic recovery freely yet when resilience.So, more real simulated bearing circle operating mode in actual use, make test figure more accurate.
Description of drawings
Fig. 1 is the utility model bearing circle fatigue bending test stand and test unit structural representation.
Description of reference numerals: 1. control device, 2. bracing or strutting arrangement, 4. counter, 20. pedestals; 21. first support, 22. second supports, 31. first actuator, 32. second actuator; 100. bearing circle to be measured, 311. first expansion links, 312. second expansion links, 321. first rigidity briquettings; 322. the second rigidity briquetting, 331. first pressure transducers, 332. second pressure transducers.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is further specified.
The bearing circle fatigue bending test device of present embodiment; Comprise bearing circle fatigue bending test stand and control device 1; Said bearing circle fatigue bending test stand comprises bracing or strutting arrangement 2, be arranged on this bracing or strutting arrangement 2 first actuator 31 and with first actuator, 31 corresponding second actuator 32 that are arranged on this bracing or strutting arrangement 2, control device 1 is connected and controls the action of first actuator 31 and second actuator 32 respectively with first actuator 31 and second actuator 32; When bearing circle 100 to be measured being fixed in when carrying out fatigue bending test on the bracing or strutting arrangement 2; The detected part of bearing circle 100 to be measured is between first actuator 31 and second actuator 32; Control device 1 control first actuator 31 and second actuator, 32 alternate cycles ground load the detected part both sides of bearing circle 100 to be measured respectively; Promptly when the actuator of a side to the detected part loaded of bearing circle 100 to be measured and after leaving bearing circle 100 to be measured fully, the actuator of opposite side loads its detected part again.
Preferably, said first actuator 31 is the pneumatic type actuator with said second actuator 32, thereby and all have guide pole and have anti-rotation function; Said first expansion link 311 and said second expansion link 312 are respectively the cylinder rod of this first actuator 31 and this second actuator 32.
Preferably, said bracing or strutting arrangement 2 comprises that pedestal 20 and first support 21 and second support, 22, the first actuator 31 that are arranged on the pedestal 20 are installed on first support 21, and second actuator 32 and first actuator 31 are installed on second support 22 accordingly; When travel direction dish fatigue bending test device, bearing circle 100 to be measured is installed on first support 21.Offer T type groove respectively on first support 21 and second support 22, first actuator 31 can be slided in the T type groove on first support 21 with bearing circle 100 to be measured, and second actuator 32 can be slided in the T type groove on second support 22; Also offer T type groove on the pedestal 20, first support 21 and second support 22 all can slide so that distance is adjustable between the two along the T type groove on the pedestal 20.
Preferably, said first actuator 31 has first expansion link, 311, the first expansion links, 311 bar head places the first rigidity briquetting 321 is installed; Second actuator 32 has second expansion link, 312, the second expansion links, 312 bar head places the second rigidity briquetting 322 is installed; The first rigidity briquetting 321 and the second rigidity briquetting 322 all are roughly rectangular shape, and the corner is a fillet; Guide pole on said first actuator 31 and second actuator 32 can prevent that the first rigidity briquetting 321 and the second rigidity briquetting 322 from rotating; When bearing circle 100 to be measured being fixed in when carrying out fatigue bending test on the bracing or strutting arrangement 2, the detected part of bearing circle 100 to be measured between the bar head of the bar head of first expansion link 311 and second expansion link 312 and the both sides of detected part respectively with the first rigidity briquetting 321 and the second rigidity briquetting 322 over against.Said first expansion link 311 bar head places are equipped with first pressure transducer 331, and this first pressure transducer 331 detects the size of the said first rigidity briquetting, the 321 external application of forces when said first actuator 31 is moved; Said second expansion link 312 bar head places are equipped with second pressure transducer 332, and this second pressure transducer 332 detects the size of the said second rigidity briquetting, the 322 external application of forces when said second actuator 32 is moved.Through first pressure transducer 331 and second pressure transducer 332, be convenient to read the size of power that bearing circle 100 to be measured is applied, and can combine to test the size that needs are regulated the power of first actuator 31 and second actuator 32 in view of the above.
Preferably, with second pressure transducer, the 332 rigid counters 4 that are connected with, counter 4 is used for the action frequency of second actuator 32 is counted.
Preferably, pedestal 20 is roughly the rectangular parallelepiped platform of horizontal positioned, and said first support 21 is square chest with said second support 22, and two square chests are located on the same line, and vertically stand on the platform respectively.Two square chests can slide along the T type groove on the platform respectively; First actuator 31 and second actuator 32 can move up and down along the T type groove on two square chests respectively; After bearing circle 100 to be measured was installed on first support 21, bearing circle 100 to be measured also can move up and down along the T type groove on the square chest.
When desiring the fatigue bending test of travel direction dish; Can regulate the position of two square chests, first actuator 31, second actuator 32 or bearing circle to be measured 100 according to the different model of bearing circle 100 to be measured respectively; First actuator 31 and second actuator 32 are positioned on the same surface level; And be in position, and make the first rigidity briquetting 321 and the second rigidity briquetting 322 respectively over against the both sides of bearing circle 100 detected part to be measured from the detected part suitable distance of bearing circle 100 to be measured.Utilize control device 1 to regulate the actuation time of first actuator 31 and second actuator 32, realizes that two actuator move in circles to the detected part of bearing circle 100 to be measured and replace loading.
As above institute's cloud is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design and intension, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. bearing circle fatigue bending test stand comprises bracing or strutting arrangement (2) and is arranged on this bracing or strutting arrangement (2) and goes up and receive first actuator (31) of outside control device (1) control and be arranged on second actuator (32) that said control device (1) control was gone up and also received to said bracing or strutting arrangement (2) with this first actuator (31) is corresponding; When bearing circle to be measured (100) being fixed in when carrying out fatigue bending test on the said bracing or strutting arrangement (2); The detected part of said bearing circle to be measured (100) is positioned between said first actuator (31) and said second actuator (32), and this first actuator (31) and this second actuator (32) are loaded the detected part both sides of said bearing circle to be measured (100) respectively by the control alternate cycles ground of said control device (1).
2. bearing circle fatigue bending test stand as claimed in claim 1; Offer T type groove on the said bracing or strutting arrangement (2), in said first actuator (31), said second actuator (32) and the said bearing circle to be measured (100) at least one of which can slide along the T type groove on the said bracing or strutting arrangement (2).
3. according to claim 1 or claim 2 bearing circle fatigue bending test stand, said first actuator (31) has first expansion link (311), and this first expansion link (311) bar head place is equipped with the first rigidity briquetting (321); Said second actuator (32) has second expansion link (312), and this second expansion link (312) bar head place is equipped with the second rigidity briquetting (322); When said bearing circle to be measured (100) being fixed in when carrying out fatigue bending test on the said bracing or strutting arrangement (2), the detected part of this bearing circle to be measured (100) be positioned between the bar head of bar head and said second expansion link (312) of said first expansion link (311) and the both sides of said detected part respectively with the said first rigidity briquetting (321) and the said second rigidity briquetting (322) over against.
4. bearing circle fatigue bending test stand as claimed in claim 3; Said first expansion link (311) bar head place and said second expansion link (312) bar head place one of which at least are equipped with pressure transducer, and this pressure transducer is used for detecting when said first actuator (31) or said second actuator (32) action the externally size of the application of force of the said first rigidity briquetting (321) or the said second rigidity briquetting (322).
5. bearing circle fatigue bending test stand as claimed in claim 3; Said first expansion link (311) bar head place is equipped with first pressure transducer (331), and this first pressure transducer (331) detects the size of the external application of force of the said first rigidity briquetting (321) when said first actuator (31) is moved; Said second expansion link (312) bar head place is equipped with second pressure transducer (332), and this second pressure transducer (332) detects the size of the external application of force of the said second rigidity briquetting (322) when said second actuator (32) is moved.
6. bearing circle fatigue bending test stand as claimed in claim 4 also comprises with said pressure transducer the counter (4) that is connected, is used to read said first actuator (31) or said second actuator (32) action frequency.
7. bearing circle fatigue bending test stand as claimed in claim 6; Said bracing or strutting arrangement (2) comprises pedestal (20) and is arranged at first support (21) and second support (22) on the said pedestal (20); Said first actuator (31) is installed on this first support (21), and said second actuator (32) is installed on said second support (22) with this first actuator (31) accordingly; When travel direction dish fatigue bending test device, said bearing circle to be measured (100) is installed on said first support (21).
8. bearing circle fatigue bending test stand as claimed in claim 7; Offer T type groove respectively on said first support (21) and said second support (22); Said first actuator (31) and said bearing circle to be measured (100) can slide in the T type groove on said first support (21), and said second actuator (32) can be slided in the T type groove on said second support (22); Offer T type groove on the said pedestal (20), said first support (21) and said second support (22) one of which at least can slide along the T type groove on the said pedestal (20).
9. bearing circle fatigue bending test stand as claimed in claim 8, said first rigidity briquetting (321) and the said second rigidity briquetting (322) are the shape that has fillet, is rectangular parallelepiped; The actuator that said first actuator (31) and said second actuator (32) are with anti-rotation function rotates to prevent said first rigidity briquetting (321) and the said second rigidity briquetting (322) respectively; Said first actuator (31) and said second actuator (32) are the pneumatic type actuator, and said first expansion link (311) and said second expansion link (312) are respectively the cylinder rod of this first actuator (31) and this second actuator (32); Said first support (21) and said second support (22) are square chest.
10. a bearing circle fatigue bending test device comprises above-mentioned arbitrary claim described bearing circle fatigue bending test stand and said control device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202734196U CN202204682U (en) | 2011-07-29 | 2011-07-29 | Bending resistance and fatigue test bench for steering wheel and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202734196U CN202204682U (en) | 2011-07-29 | 2011-07-29 | Bending resistance and fatigue test bench for steering wheel and test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202204682U true CN202204682U (en) | 2012-04-25 |
Family
ID=45968800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202734196U Expired - Lifetime CN202204682U (en) | 2011-07-29 | 2011-07-29 | Bending resistance and fatigue test bench for steering wheel and test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202204682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788703A (en) * | 2012-05-07 | 2012-11-21 | 奇瑞汽车股份有限公司 | Comprehensive testing table of steering wheel |
| CN102901635A (en) * | 2011-07-29 | 2013-01-30 | 上汽通用五菱汽车股份有限公司 | Steering wheel fatigue-bending testing block and testing device |
| CN107588967A (en) * | 2017-08-17 | 2018-01-16 | 上海大学 | Vehicle steering fatigue tester |
-
2011
- 2011-07-29 CN CN2011202734196U patent/CN202204682U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901635A (en) * | 2011-07-29 | 2013-01-30 | 上汽通用五菱汽车股份有限公司 | Steering wheel fatigue-bending testing block and testing device |
| CN102901635B (en) * | 2011-07-29 | 2015-04-22 | 上汽通用五菱汽车股份有限公司 | Steering wheel fatigue-bending testing block and testing device |
| CN102788703A (en) * | 2012-05-07 | 2012-11-21 | 奇瑞汽车股份有限公司 | Comprehensive testing table of steering wheel |
| CN102788703B (en) * | 2012-05-07 | 2015-04-29 | 奇瑞汽车股份有限公司 | Comprehensive testing table of steering wheel |
| CN107588967A (en) * | 2017-08-17 | 2018-01-16 | 上海大学 | Vehicle steering fatigue tester |
| CN107588967B (en) * | 2017-08-17 | 2019-10-11 | 上海大学 | Vehicle steering wheel fatigue tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103018057B (en) | Rotation characteristic test system for rail vehicle bogie | |
| CN102901635B (en) | Steering wheel fatigue-bending testing block and testing device | |
| CN201335763Y (en) | Blade vibration test table | |
| CN204128895U (en) | The constant compressive stress charger of concrete | |
| CN204855285U (en) | Collision test device | |
| CN202204682U (en) | Bending resistance and fatigue test bench for steering wheel and test device | |
| CN103616180A (en) | Bearing radial dynamic loading fault simulation diagnosis test bed | |
| CN105181481A (en) | Three-point bending fatigue testing machine | |
| CN202582919U (en) | Novel chair alternative-fatigue-test machine | |
| CN103245576A (en) | Wind power generator blade fatigue testing device and method | |
| CN203350048U (en) | Six-dimensional parallel test stand for automobile suspension frame test | |
| CN203656496U (en) | Motor rack fixing device | |
| CN106769013A (en) | A kind of loading inertia test apparatus of motor-driven cylinder | |
| CN103267599A (en) | Fixing device with strong universality for testing of spring torque | |
| CN203837663U (en) | Apparatus for testing dynamic displacement characteristic of electromagnet | |
| CN103776707A (en) | Testing platform for concrete bent load | |
| CN206724926U (en) | A kind of instrument tender clamping and positioning device to be detected | |
| CN203519326U (en) | Hydraulic support base mechanical properties and baseboard specific pressure simulation test device | |
| CN203732273U (en) | Friction sheet type main pump simulator | |
| CN104142246B (en) | Multi-group bearing loading simulation test system | |
| CN209342375U (en) | A kind of oscillation bearing and adjust gap bearing combination test apparatus | |
| CN204241200U (en) | A kind of engine rocker Stromeyer test equipment | |
| CN204964089U (en) | Measuring device | |
| CN103743522A (en) | Rigidity-variable support structure for flexible support balancing machine | |
| CN102109408B (en) | Automatic return device used in triaxial vibrating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20150422 |