CN202351050U - Static torsion test device for steering wheel - Google Patents
Static torsion test device for steering wheel Download PDFInfo
- Publication number
- CN202351050U CN202351050U CN2011204241564U CN201120424156U CN202351050U CN 202351050 U CN202351050 U CN 202351050U CN 2011204241564 U CN2011204241564 U CN 2011204241564U CN 201120424156 U CN201120424156 U CN 201120424156U CN 202351050 U CN202351050 U CN 202351050U
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- steering wheel
- torsion
- angle sensor
- test fixture
- torsion angle
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Abstract
The utility model discloses a static torsion test device for a steering wheel, aiming at solving the shortages of complex structure and high manufacturing cost of the present static torsion test device for a steering wheel. The static torsion test device for a steering wheel disclosed by the utility model comprises a square box and a hydraulic servo torsion cylinder, wherein the steering wheel is connected to the side surface of the square box, the rotary shaft end of the steering wheel is connected with a test fixture, a torsion angle sensor is connected to the test fixture, one end of the torsion angle sensor is connected with the test fixture, and the other end thereof is connected with the hydraulic servo torsion cylinder. The hydraulic servo torsion cylinder and the torsion angle sensor are electrically connected with a computer respectively, the computer controls the torque output by the hydraulic servo torsion cylinder, the torsion angle sensor detects torsion deformation, i.e., the torsion angle, and transmits an angle signal to the computer, and the computer processes the signal, generates a load torque and a deformation angle curve graph, and judges whether the steering wheel meets production requirements according to the curve graph. The test device is simple in structure, low in manufacturing cost, accurate in test data, as well as flexible and convenient in use.
Description
Technical field
The utility model relates to a kind of crane torsion test device, and more particularly, it relates to a kind of static twist test unit of motor turning dish.
Background technology
Steering wheel is the important spare part on the automobile, in the automobile normal running process, is undertaking important task, and it is controlling the travel direction of automobile, and is closely bound up with our traffic safety.Steering wheel will guarantee enough torsional strengths in use; Prevent that steering wheel from deforming when rotating, therefore in the design process of automobile, must the static twist intensity of steering wheel be made an experiment, guarantee product quality; But present test unit complex structure, manufacturing cost is high.
Chinese patent notification number CN101713704B; On May 4 2011 day for announcing, denomination of invention is a kind of static twist positioning and clamping device of steering wheel, comprises L shaped support platform; On the athwartship plane of support platform with the vertical support bar that is provided with of its longitudinal surface homonymy; The top of support bar is provided with can be perpendicular to the backstay of support bar axis rotation, and an end and the embedding of backstay is hung on coaxial the linking to each other of steering wheel on the support platform longitudinal surface, and the other end is connected with boosting-rod.This device has guaranteed the stability of test, has improved test accuracy, but this test unit complex structure, and manufacturing cost is high.
The utility model content
The utility model has overcome existing steering wheel static twist test unit complex structure, deficiency that manufacturing cost is high, and a kind of steering wheel static twist test unit is provided, and it is simple in structure, low cost of manufacture, and also test figure is accurate.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of steering wheel static twist test unit, comprise that square chest, hydraulic servo reverse cylinder, and the side of said square chest is connected with steering wheel; The rotating shaft end of steering wheel is connected with test fixture; Connect torsion angle sensor on the test fixture, torsion angle sensor one end connects test fixture, and the other end connects hydraulic servo and reverses cylinder.The relation of moment of torsion and steering wheel torsional deflection amount when this device is used for detecting the test of steering wheel static twist.Steering wheel is fixed on the side of square chest; Test fixture is fastened on the rotating shaft end of steering wheel; One end of torsion angle sensor is connected on the test fixture other end and is connected hydraulic servo and reverses on the cylinder, and hydraulic servo reverses cylinder, torsion angle sensor is connected with computer-electrical respectively, and the computer control hydraulic servo reverses the torque of cylinder output; And torsion angle sensor detects the torsional deflection amount of steering wheel when receiving this load; The angle that just turns over, torsion angle sensor is transferred to computing machine with this angle signal, and computing machine is handled signal; And generate load-torque and deformation angle curve map, judge the whether accords with production requirement of this steering wheel according to curve map.This test unit is simple in structure, low cost of manufacture, and also test figure is accurate, and flexible and convenient to use.
As preferably; Said test fixture is rounded; Be provided with an adaptive mounting hole of rotating shaft with steering wheel therebetween, the edge of mounting hole is provided with some fixed orifices that are used for fixing steering wheel on the test fixture, and the edge of test fixture also is provided with some connecting holes that are used to connect torsion angle sensor.The rotating shaft of steering wheel is installed in the mounting hole, and steering wheel also is connected with fixed orifice on the test fixture through bolt, like this steering wheel is installed on the test fixture firmly.The connecting hole at test fixture edge connects torsion angle sensor.
As preferably, evenly be connected with two pressing plates that are used to install and fix steering wheel on the wheel rim of said steering wheel.Said pressing plate comprises two strip briquettings, and an end of a briquetting is pressed on another briquetting, constitutes the pressing plate of T font, and the other end is pressed on the wheel rim of steering wheel.Steering wheel is fixed on through pressing plate on the side of square chest, and briquetting on the square chest side and compress the wheel rim of steering wheel, prevents that steering wheel from moving through bolted.
As preferably, the two ends of said torsion angle sensor are provided with flange, and the edge of flange is provided with some connecting holes.Said hydraulic servo reverses cylinder and is provided with and reverses rotating disk, reverses rotating disk and connects torsion angle sensor.Torsion angle sensor connects test fixture through flange and hydraulic servo reverses the rotating disk that reverses on the cylinder, connects reliable and stable.
As preferably, the side that connects steering wheel on the said square chest is provided with some crisscross T-slots.T-slot makes things convenient for parts that the side that is connected square chest is installed.
Compared with prior art, the beneficial effect of the utility model is: simple in structure, and low cost of manufacture, and also test figure is accurate.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the explosive view of the utility model;
Among the figure: 1, square chest, 2, hydraulic servo reverses cylinder, 3, steering wheel, 4, test fixture, 5, torsion angle sensor, 6, wheel rim, 7, pressing plate, 8, flange, 9, reverse rotating disk, 10, T-slot.
Embodiment
Pass through specific embodiment below, and combine accompanying drawing, the technical scheme of the utility model is done further to specifically describe:
Embodiment: a kind of steering wheel static twist test unit (referring to accompanying drawing 1); Comprise that square chest 1, hydraulic servo reverse cylinder 2; The right flank of square chest 1 is connected with steering wheel 3; The side that connects steering wheel on the square chest 1 is provided with crisscross T-slot 10, and wherein laterally T-slot 10 has four, and vertically T-slot 10 has five.Wheel rim 6 one weeks of 6 upper edge wheel rims of steering wheel 3 evenly are connected with two pressing plates 7 that are used to install and fix steering wheel 3; Pressing plate 7 comprises two strip briquettings, and an end of a briquetting is pressed on another briquetting, constitutes the pressing plate 7 of T font; The other end is pressed on the wheel rim of steering wheel; Briquetting is provided with the groove of oval shape, respectively is provided with a bolt at the two ends of groove, and bolt passes groove and connects the side that T-slot 10 interior nuts are fixed on briquetting square chest 1; Simultaneously steering wheel 3 also has been fixed on the side of square chest 1 firmly; Pass the groove of two briquettings away from the bolt of steering wheel 3, not only two briquettings are linked together, also make the fixing more stable of steering wheel 3.The rotating shaft end of steering wheel 3 is connected with test fixture 4 (referring to accompanying drawing 2), connects torsion angle sensor 5 on the test fixture 4.Test fixture 4 is rounded; Be provided with an adaptive mounting hole of rotating shaft with steering wheel 3 therebetween; The edge of mounting hole is provided with three fixed orifices that are used for fixing steering wheel 3 on the test fixture, and the edge of test fixture also is provided with some connecting holes that are used to connect torsion angle sensor 5.The rotating shaft of steering wheel 3 is installed and is connected in the mounting hole of test fixture 4, and steering wheel 3 also is connected in the fixed orifice of test fixture 4 through three bolts steering wheel 3 and test fixture 4 are linked together firmly.The two ends of torsion angle sensor 5 are provided with flange 8, and one week of edge of flange 8 is provided with some connecting holes.Hydraulic servo reverses cylinder 2 and is provided with and reverses rotating disk 9; One week of edge of reversing rotating disk 9 is provided with some connecting holes; The flange 8 of torsion angle sensor 5 one ends connects test fixture 4; The flange 8 of the other end connects hydraulic servos and reverses and reverse rotating disk 9 on the cylinder 2, passes two connecting holes through bolt and their is connected fixing.
Hydraulic servo reverses cylinder 2, torsion angle sensor 5 is connected with computer-electrical respectively; The computer control hydraulic servo reverses the torque of cylinder 2 outputs, and torsion angle sensor 5 detects steering wheel torsional deflection amount when receiving the load of this torque, the angle that just turns over; Torsion angle sensor 5 is transferred to computing machine with this angle signal; Computing machine is handled signal, and generates load-torque and deformation angle curve map, judges the whether accords with production requirement of this steering wheel according to curve map.The testing requirements hydraulic servo reverses cylinder 2 and applies the moment of 250 Ns of rice to steering wheel, and load kept 30 seconds, elastic deformation angle≤5 °, permanent strain≤3 °.This test unit is simple in structure, low cost of manufacture, and also test figure is accurate, and flexible and convenient to use.
Above-described embodiment is a kind of preferable scheme of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (7)
1. steering wheel static twist test unit; It is characterized in that comprise that square chest (1), hydraulic servo reverse cylinder (2), the side of said square chest is connected with steering wheel (3); The rotating shaft end of steering wheel is connected with test fixture (4); Connect torsion angle sensor (5) on the test fixture, torsion angle sensor one end connects test fixture, and the other end connects hydraulic servo and reverses cylinder.
2. a kind of steering wheel static twist test unit according to claim 1; It is characterized in that; Said test fixture is rounded; Be provided with an adaptive mounting hole of rotating shaft with steering wheel therebetween, the edge of mounting hole is provided with some fixed orifices that are used for fixing steering wheel on the test fixture, and the edge of test fixture also is provided with some connecting holes that are used to connect torsion angle sensor.
3. a kind of steering wheel static twist test unit according to claim 1 is characterized in that, evenly is connected with two pressing plates (7) that are used to install and fix steering wheel on the wheel rim of said steering wheel (6).
4. a kind of steering wheel static twist test unit according to claim 3 is characterized in that said pressing plate comprises two strip briquettings, and an end of a briquetting is pressed on another briquetting, constitutes the pressing plate of T font, and the other end is pressed on the wheel rim of steering wheel.
5. according to claim 1 or 2 or 3 or 4 described a kind of steering wheel static twist test units, it is characterized in that the two ends of said torsion angle sensor are provided with flange (8), the edge of flange is provided with some connecting holes.
6. according to claim 1 or 2 or 3 or 4 described a kind of steering wheel static twist test units, it is characterized in that said hydraulic servo reverses cylinder and is provided with and reverses rotating disk (9), reverse rotating disk and connect torsion angle sensor.
7. according to claim 1 or 2 or 3 or 4 described a kind of steering wheel static twist test units, it is characterized in that the side that connects steering wheel on the said square chest is provided with some crisscross T-slots (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204241564U CN202351050U (en) | 2011-11-01 | 2011-11-01 | Static torsion test device for steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204241564U CN202351050U (en) | 2011-11-01 | 2011-11-01 | Static torsion test device for steering wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351050U true CN202351050U (en) | 2012-07-25 |
Family
ID=46540047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204241564U Expired - Fee Related CN202351050U (en) | 2011-11-01 | 2011-11-01 | Static torsion test device for steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452425A (en) * | 2022-08-30 | 2022-12-09 | 中国第一汽车股份有限公司 | Comprehensive steering wheel performance test bed and test method |
-
2011
- 2011-11-01 CN CN2011204241564U patent/CN202351050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452425A (en) * | 2022-08-30 | 2022-12-09 | 中国第一汽车股份有限公司 | Comprehensive steering wheel performance test bed and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20131101 |