CN201615832U - Automobile multiple loading cases simulation steering test table - Google Patents
Automobile multiple loading cases simulation steering test table Download PDFInfo
- Publication number
- CN201615832U CN201615832U CN2010200041390U CN201020004139U CN201615832U CN 201615832 U CN201615832 U CN 201615832U CN 2010200041390 U CN2010200041390 U CN 2010200041390U CN 201020004139 U CN201020004139 U CN 201020004139U CN 201615832 U CN201615832 U CN 201615832U
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- shaft coupling
- steering
- axial
- grooving
- coupling
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Abstract
The utility model provides an automobile multiple loading cases simulation steering test table, which comprises a steering disc, a first coupling, a torque sensor, an angular displacement sensor, a second coupling, a steering gear and a computer, and is characterized in that a connecting piece, a gear rack mechanism, a third coupling, a reducer and an alternating current servo motor are added, wherein the input end of the gear rack mechanism is fixedly connected with the output end of the steering gear through the connecting piece, the output end is connected with the low speed end of the reducer through the third coupling, the high speed end of the reducer is fixedly connected with an output shaft of the alternating current servo motor, an angular displacement signal output end of the alternating current servo motor and a control signal input end are connected with the computer, and the computer controls the alternating current servo motor to work according to the angular displacement of the steering disc and output signals of the alternating current servo motor which are measured by the angular displacement sensor through combining vehicle type parameters and vehicle operation work conditions. The automobile multiple loading cases simulation steering test table can simulate different steering motion or load, and can guarantee to protect the torque sensor under the situation of abnormal large load.
Description
Technical field
The utility model provides a kind of steering test stand simulating multiple work conditions of automobile, belongs to the auto parts and components technical field of measurement and test.
Background technology
For automobile steering device, existing industry standard QC/T529-2000 " automobile hydraulic steering augmentor and power steering gear assembly bench test method " of China and QC/T29096-1992 " automobile steering device assembly bench test method ", separate provision the method that hydraulic power steering gear and manual steering gear are tested, wherein some pilot project need be carried out under loading environment, and some pilot project need be carried out under the regulation moving condition; In the reality,, also need to design some off-gauge pilot projects,, obtain the ability of information of road surface from steering with the examination driver such as the test that simulated roadway impacts for a certain performance of research steering device.Test unit for auto steerer, existing Chinese utility model patent 92223334.9,02220571.3,03278430.9,200420025682.3 etc., wherein patent 02220571.3 has adopted hydraulic means to load, and 92223334.9,03278430.9,200420025682.3 of patent has adopted spring to load.Compare with the hydraulic means loading, it is simpler that spring charging device has structure, the advantage of reliable operation, and there is not a hydraulic oil pollution environment, so its environmental-protecting performance is better, but the spring loading characteristic is dumb, such as simulating the shock load that wheel is subjected to, is difficult under the prescribed motion condition and tests; Though the servo apply hydraulic pressure device can be simulated the dynamic loading that wheel is subjected to, hydraulic servo device cost height, and also maintenance cost is also high.In addition, steering-wheel torque is less under the normal condition, in order to guarantee the precision of steering-wheel torque test under the normal condition, the range of torque sensor should be very not big, but steering wheel sometimes can be subjected to unusual big load, can destroy torque sensor, therefore protective device will be set the sensor of measuring steering-wheel torque is protected; There is contradiction in property easy for installation and device in traditional safety pin formula protective device between the precision, in order to reduce measuring error, should adopt tighter cooperate between safety pin and the hole, and still the replacing after the damage is just cumbersome; Can be more convenient if adopt the cooperation of pine to change, but precision reduced.
The utility model content
The purpose of this utility model provides a kind ofly can overcome above-mentioned defective, can simulate the steering test stand simulating multiple work conditions of automobile that difference turns to load and different divertical motions.Its technical scheme is:
Comprise steering wheel, coupling spindle, first shaft coupling, torque sensor, angular displacement sensor, second shaft coupling, steering gear and computing machine, wherein the signal output part of torque sensor and angular displacement sensor connects computing machine, steering wheel is successively through coupling spindle, first shaft coupling, torque sensor, the angular displacement sensor and second shaft coupling connect steering gear, it is characterized in that: set up connector, pinion and rack, the 3rd shaft coupling, reductor and AC servo motor, wherein the input end of pinion and rack is fixedly connected through the output terminal of connector and steering gear, output terminal connects with the low speed end of reductor through the 3rd shaft coupling, the speed end of reductor and the output shaft of AC servo motor are fixedly connected, the angular displacement signal output terminal and the signal input end of AC servo motor all connect computing machine, the steering wheel angle displacement that computing machine measures according to angular displacement sensor and the output shaft angular displacement signal of AC servo motor, and in conjunction with vehicle parameter and vehicle operational mode, the work of control AC servo motor.
Described steering test stand simulating multiple work conditions of automobile, first shaft coupling adopts the friction coupling device, the one or both ends of first shaft coupling are by the friction carry-over moment, and can regulate the size of carry-over moment continuously, make torque sensor torque transmitted load be no more than its failing load.
Described steering test stand simulating multiple work conditions of automobile, second shaft coupling and the 3rd shaft coupling all adopt Hooks coupling universal coupling, with the error that causes in compensation part processing precision and the installation process.
Described steering test stand simulating multiple work conditions of automobile, first shaft coupling is certain thickness tubulose, the outer wall at the first shaft coupling two ends is provided with the axial notch that does not penetrate tube wall, the axial grooving that penetrates tube wall and perpendicular to the horizontal grooving of axis, laterally grooving is positioned at the inner end of axial notch and axial grooving, and be communicated with axial notch and axial grooving, two adjust bolts are connected in two axial groovings near the two ends correspondences of first shaft coupling two side.
Described steering test stand simulating multiple work conditions of automobile, first shaft coupling is certain thickness tubulose, the outer wall of first shaft coupling, one end is provided with the axial notch that does not penetrate tube wall, the axial grooving that penetrates tube wall and perpendicular to the horizontal grooving of axis, laterally grooving is positioned at the inner end of axial notch and axial grooving, and be communicated with axial notch and axial grooving, adjust the two side that bolt is positioned at the outer end of axial grooving and is connected in axial grooving.
Its principle of work is: when rotating steering wheel, steering wheel drives coupling spindle, first shaft coupling, torque sensor, angular displacement sensor through second shaft coupling driving steering gear rotation, the computing machine of the output signal of torque sensor and angular displacement sensor input simultaneously, computing machine obtains steering wheel angle displacement and hand-wheel torque information.The output terminal of steering gear moves by the tooth bar of connector driven gear rack mechanism, thereby make the gear of pinion and rack rotate, the gear of pinion and rack is by the 3rd shaft coupling, reductor drives AC servo motor and rotates, the angular displacement sensor that AC servo motor itself carries is delivered to computing machine to AC servo motor rotor signal, computing machine is according to steering wheel angle displacement and motor angular displacement sensor signal, and in conjunction with different automobile types parameter and different vehicle operational modes, send control signal and give AC servo motor, the operation of control AC servo motor.
The utility model compared with prior art has following advantage:
1, can either simulate the different load that turns to, can simulate different motions again, because AC servo motor does not consume hydraulic oil, so environment is not polluted, its cost and working service cost are lower than hydraulic servo device.
2, because torque sensor has been subjected to protection, so that transducer range can be got is littler, can reduce suitably that relative accuracy requires and the absolute precision that guarantees requirement, so cost is lower, and easy to adjust.
3, this device loads function admirable can for mechanical type, fluid pressure type and column assist device.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of the first shaft coupling embodiment 1 among Fig. 1.
Fig. 3 is a vertical view embodiment illustrated in fig. 2.
Fig. 4 is the C-C sectional view of Fig. 3.
Fig. 5 is an A-A sectional view embodiment illustrated in fig. 2.
Fig. 6 is a B-B sectional view embodiment illustrated in fig. 2.
Fig. 7 is the structural representation of the first shaft coupling embodiment 2 among Fig. 1.
Fig. 8 is a vertical view embodiment illustrated in fig. 7.
Fig. 9 is the D-D sectional view of Fig. 8.
Among the figure: 1, steering wheel 2, torque sensor 3, angular displacement sensor 4, second shaft coupling 5, steering gear 6, connector 7, pinion and rack 8 the 3rd shaft coupling 9, reductor 10, AC servo motor 11, computing machine 12, first shaft coupling 13, adjustment bolt 14, connection holes 15,16 axial groovings 17, horizontal grooving 18, coupling spindle 19, screw
Embodiment
Among the embodiment shown in Fig. 1-6: first shaft coupling 12 adopts the friction coupling device, second shaft coupling 4 and the 3rd shaft coupling 8 all adopt Hooks coupling universal coupling, the two ends of second shaft coupling 4 are equipped with the Hooke's joint of wounded in the battle key, and rack and pinion steering gear is adopted in steering gear 5.Steering wheel 1 connects the gear of rack and pinion steering gear 5 successively through coupling spindle 18, first shaft coupling 12, torque sensor 2, angular displacement sensor 3 and second shaft coupling 4, the tooth bar of pinion and rack 7 is fixedly connected by the tooth bar of connector 6 with steering gear 5, the gear of pinion and rack 7 connects with the low speed end of reductor 9 through the 3rd shaft coupling 8, and the output terminal of the speed end of reductor 9 and AC servo motor 10 is fixedly connected.The input end of computing machine 11 switches through the signal output part of square sensor 2 and angular displacement sensor 3 and the angular displacement signal output terminal that AC servo motor 10 carries respectively, and the control signal output ends of computing machine 11 connects the signal input end of AC servo motor 10.
Among the embodiment shown in Fig. 7-9: first shaft coupling 12 is certain thickness tubulose, first shaft coupling 12 is provided with the axial notch 15 that does not penetrate tube wall near the outer wall of torque sensor 2 ends, penetrate the axial grooving 16 of tube wall and perpendicular to the horizontal grooving 17 of axis, laterally grooving 17 is positioned at the inner end of axial notch 15 and axial grooving 16, and be communicated with axial notch 15 and axial grooving 16, the coupling spindle of torque sensor 2 is installed in the connection holes 14 of first shaft coupling 12, adjust the two side that bolt 13 correspondences are connected in axial grooving 16, the coupling spindle of first shaft coupling 12 with torque sensor 2 clamped, so that adjust the size of first shaft coupling, 12 carry-over moments by the pretightning force of adjusting bolt 13.
Claims (6)
1. steering test stand simulating multiple work conditions of automobile, comprise steering wheel (1), coupling spindle (18), first shaft coupling (12), torque sensor (2), angular displacement sensor (3), second shaft coupling (4), steering gear (5) and computing machine (11), wherein steering wheel (1) is successively through first shaft coupling (12), torque sensor (2), angular displacement sensor (3), second shaft coupling (4) connects with steering gear (5), the signal output part of torque sensor (2) and angular displacement sensor (3) connects computing machine (11), it is characterized in that: set up pinion and rack (7), the 3rd shaft coupling (8), reductor (9) and AC servo motor (10), wherein the input end of pinion and rack (7) is fixedly connected through the output terminal of connector (6) with steering gear (5), output terminal connects through the low speed end of the 3rd shaft coupling (8) with reductor (9), the output shaft of the speed end of reductor (9) and AC servo motor (10) is fixedly connected, and the angular displacement signal output terminal of AC servo motor (10) and signal input end all connect computing machine (11).
2. steering test stand simulating multiple work conditions of automobile as claimed in claim 1 is characterized in that: first shaft coupling (12) adopts the friction coupling device.
3. steering test stand simulating multiple work conditions of automobile as claimed in claim 1 is characterized in that: second shaft coupling (4) and the 3rd shaft coupling (8) all adopt Hooks coupling universal coupling.
4. steering test stand simulating multiple work conditions of automobile as claimed in claim 1 is characterized in that: rack and pinion steering gear is adopted in steering gear (5).
5. steering test stand simulating multiple work conditions of automobile as claimed in claim 1, it is characterized in that: first shaft coupling (12) is certain thickness tubulose, the outer wall at first shaft coupling (12) two ends is provided with the axial notch (15) that does not penetrate tube wall, penetrate the axial grooving (16) of tube wall and perpendicular to the horizontal grooving (17) of axis, laterally grooving (17) is positioned at the inner end of axial notch (15) and axial grooving (16), and be communicated with axial notch (15) and axial grooving (16), two adjust bolts (13) are connected in two axial groovings (16) near the two ends correspondences of first shaft coupling (12) two side.
6. steering test stand simulating multiple work conditions of automobile as claimed in claim 1, it is characterized in that: first shaft coupling (12) is certain thickness tubulose, the outer wall of first shaft coupling (12) one ends is provided with the axial notch (15) that does not penetrate tube wall, penetrate the axial grooving (16) of tube wall and perpendicular to the horizontal grooving (17) of axis, laterally grooving (17) is positioned at the inner end of axial notch (15) and axial grooving (16), and be communicated with axial notch (15) and axial grooving (16), adjust the two side that bolt (13) is positioned at the outer end of axial grooving (16) and is connected in axial grooving (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200041390U CN201615832U (en) | 2010-01-08 | 2010-01-08 | Automobile multiple loading cases simulation steering test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200041390U CN201615832U (en) | 2010-01-08 | 2010-01-08 | Automobile multiple loading cases simulation steering test table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615832U true CN201615832U (en) | 2010-10-27 |
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ID=43002199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200041390U Expired - Lifetime CN201615832U (en) | 2010-01-08 | 2010-01-08 | Automobile multiple loading cases simulation steering test table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750217B (en) * | 2010-01-08 | 2011-06-29 | 山东理工大学 | Steering test stand simulating multiple work conditions of automobile |
| CN106353086A (en) * | 2016-10-18 | 2017-01-25 | 中国商用飞机有限责任公司 | Device and method for measuring contact torque between two components |
-
2010
- 2010-01-08 CN CN2010200041390U patent/CN201615832U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750217B (en) * | 2010-01-08 | 2011-06-29 | 山东理工大学 | Steering test stand simulating multiple work conditions of automobile |
| CN106353086A (en) * | 2016-10-18 | 2017-01-25 | 中国商用飞机有限责任公司 | Device and method for measuring contact torque between two components |
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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: 20101027 Effective date of abandoning: 20100108 |