CN2608965Y - Outomobile wheel side sliding checkout console wind drag imitation device - Google Patents
Outomobile wheel side sliding checkout console wind drag imitation device Download PDFInfo
- Publication number
- CN2608965Y CN2608965Y CN 02251102 CN02251102U CN2608965Y CN 2608965 Y CN2608965 Y CN 2608965Y CN 02251102 CN02251102 CN 02251102 CN 02251102 U CN02251102 U CN 02251102U CN 2608965 Y CN2608965 Y CN 2608965Y
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- pulley
- wire rope
- electromagnet
- windage
- reduction unit
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Abstract
The utility model discloses a windage simulation facility in a sideslip inspection device, an addition to a vehicle wheel sideslip inspection system. The device is composed of two magnetic power arresters 5, a sliding wheel 15 and a steel wire 10; wherein the magnetic power arresters 5 are arranged on the two end of a soleplate; one end of the steel wire 10 winds on a steel reel 7 of the magnetic power arrester 5, while the other end is hanged on a hook of a vehicle tail round the sliding wheel 15; the magnetic power arrester 5 is linked to a control system through a controller. By adopting the device to inspect sideslip of a vehicle wheel, a perfect match of a toe in angle and outward lean when in normal steer is guaranteed, a large error between the inspection technology index in labs and a realistic utilization satiation is effectively solved, thus making the inspection results more reasonable.
Description
Technical field
The utility model relates to the automotive performance checkout equipment, particularly a kind of analogue means of setting up in automotive wheel sideslip checking system.
Along with the development and the raising of vehicle testing technique, the detection of dynamic of vehicle front location is also paid attention to by people day by day.Automotive wheel sideslip check-out console as the high-level efficiency detection means has become must setting fully of automotive safety measuring station and combination property measuring station.
Slide type sideslip check-out console is a kind of checkout equipment comparatively commonly used, and it is provided with two slide plates respectively by the left and right wheel of automobile, and slide plate can laterally move on lower plate by rolling body, but can not vertically move.During detection, automobile straight line lentamente crosses slide plate, cooperates with toe-in angle suitably as the camber angle of automotive wheel, and wheel rolling track freely is consistent with the driving trace of car load; If but that both cooperate is inappropriate, must desire to a certain lateral deviation oblique during wheel rolling.But, be restricted and retrain owing to left and right wheel all is mounted on the axletree or hangs upward, wheel will produce horizontal slippage on the ground.On side slid platform, wheel will drive upper slide and move together.At this moment the sideslip amount that is wheel that displacement transducer records judges then whether this testing result meets national standard.
Want low speed driving when said method requires automobile by side slid platform, be generally 3～5Km/h.Operation conditions when this and automobile travel under conventional speeds differs greatly.Particularly for the automobile of front wheel driving, when galloping, the suffered air resistance of vehicle body very big (air resistance square increases with the speed of a motor vehicle), therefore, output tractive force also must be very big on the automobile driving wheel.Car for the independent suspension front wheel driving, two driving wheels are to the following swing arm of automotive suspension, caused a very big moment of rotating forward around swing arm hinge point down, with the longitudinal thrust that acts on balance stem, and the following swing arm peace weighing apparatus bar of suspension connects with all adopting rubber sleeve connecting of vehicle body, is easy to distortion.Therefore two front-wheel front ends are containing under the effect of this moment and power, and promptly toe-in angle increases (shown in Fig. 1 dotted line), thereby causes that positional parameter changes.Force analysis as shown in Figure 6.
Yet only with the side slid platform test, because the speed of a motor vehicle is low, air resistance is almost nil, can ignore.If it is qualified to detect the sideslip amount under these circumstances, be that toe-in angle and camber angle coupling is proper, automobile is when cruising so, because air resistance increases, will cause Front wheel Alignment Parameters to change, cause the variation of the matching relationship of toe-in angle and camber angle, thereby produce wheel side sliding when making galloping.Therefore, now a lot of sedan limousines, the high-grade car of some imports particularly, when design, just considered this factor, though the toe-in of automobile and the coupling of flare are not fine under the state of static and low speed driving, have guaranteed the toe-in angle of automobile when cruising and the optimum matching of flare.The sideslip amount exceeds standard when some high-grade car detects on existing side slid platform reason that Here it is.
Summary of the invention
The purpose of this utility model just provides a kind ofly can carry out testing on existing side slid platform, again can simulated automotive suffered air resistance during operation, make automobile by side slid platform the time, more approach the actual motion state of automobile, thus make the result who is detected more reasonable, more meet the device of automobile practical operation situation.
The utility model is that the rear side at automotive wheel sideslip check-out console is provided with the puller system of tractive automobile backward, this device is made up of the detent 5 that is separately fixed at base plate 11 two ends, pulley 15 and wire rope 10, one end of wire rope 10 is wrapped on the steel wire reel 7 on 5 on the detent, the other end is walked around pulley 5 and is cared on detected automobile tail hook, and detent 15 electrically connects by controller and computer control system.
Its principle of work is: when detecting with this device, one end of wire rope 10 is hung on the pintle of tested automobile, the speed of a motor vehicle to be simulated at first by setting in the computing machine, the output voltage of adjustment control, thereby the output torque of magnetic powder brake is set, that is the resistance that will impose on automobile is set, the suffered air resistance of vehicle body is suitable when making its size and setting automobile actual travel under the speed of a motor vehicle.
The check of adopting this device that automotive wheel is breakked away, can guarantee the toe-in angle of automobile when actual cruising and the optimum matching of flare, solved effectively breadboard detection technique index and actual user mode than mistake, make testing result more reasonable.
Description of drawings
Fig. 1 is the utility model one-piece construction and user mode synoptic diagram.
Fig. 2 looks synoptic diagram for the master that the resistance of left side shown in Fig. 1 produces mechanism.
Fig. 3 is the schematic top plan view of Fig. 2.
Fig. 4 looks synoptic diagram for the master of right-hand part pulley mechanism shown in Fig. 1.
Fig. 5 is the schematic top plan view of Fig. 1.
Fig. 6 is the force analysis figure in the vehicle traveling process.
Embodiment
Below the embodiment that provides with regard to accompanying drawing the utility model structure is described in further detail.
With reference to Fig. 1, a kind of automotive wheel sideslip check-out console windage analogue means, be rear side at the sideslip check-out console be provided with one backward tractive draw the puller system of automobile, this device is made up of the magnetic powder brake 5 that is separately fixed at base plate 11 two ends, pulley 15 and wire rope 10, one end of wire rope 10 is wrapped on the steel wire reel 7 on 5 of the magnetic powder brakes, the other end is walked around pulley 15 and is cared on detected automobile tail hook, and magnetic powder brake 5 electrically connects by controller and computer control system.
At the wire rope place of laying out of steel wire reel 7 a wire rope guide wheel 9 is set also, makes wire rope 10 be close to base plate 11 and extend to pulley 15.
With reference to Fig. 4, Fig. 5, for more accurate feedback is demarcated the suffered longitudinal force value of tested automobile, by being connected with an end of force cell 13 by web joint 14, the other end of force cell is fixed on the base plate 11 by support 12 with pulley 15.The value of computer real-time acquisition force cell 13, if the value that it and we set has deviation, computing machine is the output voltage of difference adjustment controller according to this, change the output torque of magnetic powder brake 5, so that the value of force cell 13 remains our the desired Resistance Value of desiring to impose on body of a motor car.
With reference to Fig. 1,3,4, this device also is provided with one by motor, speed reduction unit 3, electromagnet 2, stretching pulley 4, belt pulley 6, the 8 wire rope recovering mechanisms of forming, the motor 1 of this mechanism, speed reduction unit 3, electromagnet 2 is separately fixed on the floor 11, the output shaft of motor 1 drives with the input shaft of speed reduction unit 3 and is connected, belt pulley 8 is installed on 5 of the magnetic powder brakes, be connected with belt pulley 6 on speed reduction unit 3 output shafts by belt 16, stretching pulley 4 is by lever 17, pull bar 18 is connected with electromagnet 2, drives pull bar 18 by electromagnet 2, lever 17 can make stretching pulley 4 be close on the belt 16.
The course of work of this device is as follows: when detecting with this device, one end of wire rope 10 is hung on the pintle of tested automobile, the speed of a motor vehicle to be simulated at first by setting in the computing machine, the output voltage of adjustment control, thereby the output torque of magnetic powder brake is set, that is the resistance that will impose on automobile is set, the suffered air resistance of vehicle body is suitable when making its size and setting automobile actual travel under the speed of a motor vehicle.At this moment, motor 1 and electromagnet 2 are not worked, and stretching pulley 4 is inoperative, connect thereby make magnetic powder brake disconnect with speed reduction unit 3.When automobile during wire rope 10 tension, force cell 13 records is the suffered longitudinal force of automobile, that is our air resistance that will simulate.The value of computer real-time acquisition force cell 13, if the value that it and we set has deviation, computing machine is the output voltage of difference adjustment controller according to this, change the output torque of magnetic powder brake 5, so that the value of force cell 13 remains our the desired Resistance Value of desiring to impose on body of a motor car.Like this, when automobile crossed side slid platform, its vehicle body force-bearing situation in the vertical was identical with its longitudinal stress situation during actual travel under setting the speed of a motor vehicle, had promptly reached the purpose of our design.After automobile crossed side slid platform and arrives certain position, wire rope 10 broke off relations with automobile.At this moment give motor 1, electromagnet 2 energisings.Electromagnet 2 electric after, spur stretching pulley lever 17 downwards, make stretching pulley 4 play the effect of tightening belt 16, realized connecting of steel wire reel 7 and speed reduction unit 3.Motor 1 gets electric drive belt pulley and rotates.The steel wire reel 7 that transmission by belt, belt pulley drives on 5 of the magnetic powder brakes rotates, and wire rope 10 is regained.After COMPUTER DETECTION was received the position of regulation to wire rope, computing machine sent instruction, made motor 1, electromagnet 2 outages.
Claims (4)
1. automotive wheel sideslip check-out console windage analogue means, it is characterized in that forming by the detent (5) that is separately fixed at base plate (11) two ends, pulley (15) and wire rope (10), one end of wire rope (10) is wrapped on the steel wire reel (7) on detent (5) axle, the other end is walked around pulley (15) and is cared on detected automobile tail hook, and magnetic powder brake (5) electrically connects by controller and computer control system.
2. a kind of automotive wheel sideslip check-out console windage analogue means according to claim 1, it is characterized in that described pulley (15) is connected by the end of web joint (14) with force cell (13), the other end of force cell is fixed on the base plate (11) by support (12).
3. a kind of automotive wheel sideslip check-out console windage analogue means according to claim 1, the wire rope place of laying out that it is characterized in that described steel wire reel (7) also is provided with a wire rope guide wheel (9), makes wire rope (10) be close to base plate (11) and extends to pulley (15).
4. a kind of automotive wheel sideslip check-out console windage analogue means according to claim 1, it is characterized in that also being provided with by motor (1), speed reduction unit (3), electromagnet (2), stretching pulley (4), belt pulley (6), (8) the wire rope recovering mechanism of Zu Chenging, the motor of this mechanism (1), speed reduction unit (3), electromagnet (2) is separately fixed on the base plate (11), the output shaft of motor (1) drives with the input shaft of speed reduction unit (3) and is connected, belt pulley (8) is installed on detent (5) axle, be connected with belt pulley (6) on speed reduction unit (3) output shaft by belt (16), stretching pulley (4) is by lever (17), pull bar (18) is connected with electromagnet (2), drives pull bar (18) by electromagnet (2), lever (17) can make stretching pulley (4) be close on the belt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251102 CN2608965Y (en) | 2002-12-06 | 2002-12-06 | Outomobile wheel side sliding checkout console wind drag imitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251102 CN2608965Y (en) | 2002-12-06 | 2002-12-06 | Outomobile wheel side sliding checkout console wind drag imitation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2608965Y true CN2608965Y (en) | 2004-03-31 |
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ID=34149651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02251102 Expired - Fee Related CN2608965Y (en) | 2002-12-06 | 2002-12-06 | Outomobile wheel side sliding checkout console wind drag imitation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2608965Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361205A (en) * | 2019-08-13 | 2019-10-22 | 重庆丰川硬质合金有限责任公司 | A kind of sideslip experimental bench of automobile |
| CN111727362A (en) * | 2018-03-20 | 2020-09-29 | 株式会社昭和 | Tire testing machine |
-
2002
- 2002-12-06 CN CN 02251102 patent/CN2608965Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111727362A (en) * | 2018-03-20 | 2020-09-29 | 株式会社昭和 | Tire testing machine |
| CN110361205A (en) * | 2019-08-13 | 2019-10-22 | 重庆丰川硬质合金有限责任公司 | A kind of sideslip experimental bench of automobile |
| CN110361205B (en) * | 2019-08-13 | 2022-04-12 | 重庆丰川硬质合金有限责任公司 | Sideslip experiment table for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |