CN2738202Y - Vehicle body form and position deviation detecting equipment - Google Patents
Vehicle body form and position deviation detecting equipment Download PDFInfo
- Publication number
- CN2738202Y CN2738202Y CN 200420012499 CN200420012499U CN2738202Y CN 2738202 Y CN2738202 Y CN 2738202Y CN 200420012499 CN200420012499 CN 200420012499 CN 200420012499 U CN200420012499 U CN 200420012499U CN 2738202 Y CN2738202 Y CN 2738202Y
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- car
- video camera
- motor
- axle
- slide unit
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- Expired - Lifetime
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Abstract
The utility model relates to a vehicle body form and position deviation detecting equipment, which comprises straighten devices for the back axle of the car which are respectively arranged at the surface, one side and the upper place of the checking field, a height difference of the car body measuring device which comprises cameras in front of the car and at the back of the car which are arranged on the machine frame by a camera turntable and a displacement sensor which offers a feedback for the height of the up-down displacement of the cameras, an axis deflected angle measuring device which is composed of a wagon top camera which is arranged on a sliding table that can move vertically along the hung guide rail by a camera turntable and sensors which respectively offer a feedback for the horizontal and vertical displacement of the cameras and a computer-controlled system. When the car is driven into the checking field, the tester can check the height difference of the bilateral symmetry point on the outer margin of the car body and the deflected angle of the back axle, which provides a tried and true car checking device for the checking of the vehicle body form and position deviation and improves the working efficiency and the checking accuracy.
Description
Technical field
The utility model belongs to the automotive performance checkout equipment, particularly a kind of contactless automotive inspection equipment that car load is carried out its car body shape position error test.
Background technology
The car body shape position error is meant body of a motor car left-right symmetric point height difference (being the angle of deviation of vehicle body or relative surface level), and the automobile hind axle center line is with respect to the drift angle of the longitudinal axis of vehicle body, the vehicle body change of shape and the change in location that are caused jointly by above-mentioned two deviations.
Automobile in use because vehicle frame deforms, vehicle bridge deforms, play, U-bolts are loosening, the vehicle bridge point of attachment weares and teares, loose reason such as spacious just can cause the longitudinal axis of body of a motor car being not orthogonal to rear axle.During the automobile straight-line travelling, vehicle body longitudinal axis and running car linear form an angle, and promptly produce automobile and walk crosswise phenomenon.Form certain axle drift angle.When this angle surpasses certain limit, can produce remarkable influence to the usability of automobile.Cause braking sideslip, the craspedodrome sideslip increases the road occupying width, and traffic hazard very easily takes place.Especially to the control stability of automobile, roadholding, the sideslip of automobile, influence such as Tyte Wear is significantly.Economic loss and potential danger that it causes can not be ignored, so the automobile axle measurement of angle equipment of research practicality is significant.And at present, also do not have the multifunctional test system of non-cpntact measurement automobile axle drift angle and vehicle body left-right symmetric point height difference both at home and abroad.
Summary of the invention
The purpose of this utility model provides a kind of car body shape position error checkout equipment, can realize the difference in height of quick non-contact detection car body outer rim left-right symmetric point and detect car body and rear axle angle of deviation, to improve its work efficiency and accuracy of detection by means of roller test stand.
The utility model car body shape position error checkout equipment, comprise the roller beds that is arranged on ground automobile roller test stand, ajust device as automobile hind axle, it is characterized in that also comprising being arranged at bodywork height difference measurements device, axle measurement of angle device and the electric-control system that car load detects place one side and top respectively;
Its bodywork height difference measurements device is by a Vertical Rack and be arranged on elevating mechanism on this frame, be arranged on behind video camera before the car on the elevating mechanism, the car height displacement sensor of video camera and feedback video camera upper and lower displacement amount by double-deck video camera turntable forms;
Its measurement of angle device is made up of the longitudinal rail that is hung and length travel sensor, the transversal displacement sensor that can be arranged under the slide unit roof video camera on the end cross slide way at the slide unit that vertically moves on this guide rail, by the video camera turntable and feed back the vertical or horizontal displacement of video camera respectively;
Its electric-control system mainly is made up of variable-frequence governor, amplifying circuit, input/output interface circuit, industrial control computer, image pick-up card and control corresponding software; Described video camera links by image pick-up card and computing machine respectively, described height displacement sensor, length travel sensor, transversal displacement sensor link by amplification filtering and computer A/D translation interface, the drive motor of described bodywork height difference measurements device elevating mechanism connects with computer output interface control by variable-frequence governor, and the motor of the motor of driving slide unit length travel, actuated camera turntable transversal displacement connects with computer output interface control respectively on the described axle measurement of angle device.
By horizontal symmetrical point in both sides before the shooting robot is caught car behind video camera, the car before the car of bodywork height difference measurements device of the present utility model, behind the car, computing can detect vehicle body left and right sides difference in height through the electric-control system computer software; Pounce on respectively by the roof video camera of axle measurement of angle device and to catch the forward and backward both sides of the edge of car symmetric points computing records the forward and backward center position of car through the electric-control system computer software, and then obtain automobile axle measurement of angle value.
The utility model car body shape position error checkout equipment, detect the place i.e. difference in height of non-contact detection car body outer rim left-right symmetric point and car body and rear axle angle of deviation fast as long as automobile sailed into, provide effective automotive inspection equipment for the car body shape position error detects, improved its work efficiency and accuracy of detection greatly.
Description of drawings
Fig. 1 is that the utility model is arranged synoptic diagram whole the composition;
Fig. 2 is the difference measurements of bodywork height shown in a Fig. 1 device B structural upright synoptic diagram;
Fig. 3 is the measurement of angle of axle shown in a Fig. 1 device C-structure schematic perspective view;
Fig. 4 is the working state schematic representation when detecting the bodywork height difference;
Fig. 5, Fig. 6 are the working state schematic representations when detecting car body and rear axle angle of deviation;
Fig. 7 is the utility model electric-control system circuit theory diagrams.
Embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model structure.
With reference to Fig. 1, car body shape position error checkout equipment, comprise the roller beds that is arranged on ground automobile roller test stand, ajust device A as automobile hind axle, it is characterized in that also comprising and be arranged at bodywork height difference measurements device B, axle measurement of angle device C and the electric-control system D that car load detects place one side and top respectively
With reference to Fig. 2, its bodywork height difference measurements device B is by a Vertical Rack 1 and be arranged on elevating mechanism on this frame, be arranged on behind video camera 9 before the car on the elevating mechanism, the car height displacement sensor 11 of video camera 10 and feedback video camera 9,10 upper and lower displacement amounts by double-deck video camera turntable 7 forms;
With reference to Fig. 3, its measurement of angle device C is made up of the longitudinal rail that is hung 19 and length travel sensor 20, the transversal displacement sensor 15 that can be arranged on the roof video camera 12 on the end cross slide way 21 under the slide unit 17 at the slide unit 17 that vertically moves on this guide rail, by video camera turntable 13 and feed back video camera 12 vertical or horizontal displacements respectively;
With reference to Fig. 7, its electric-control system D mainly is made up of variable-frequence governor, amplifying circuit, input/output interface circuit, industrial control computer, image pick-up card and control corresponding software; Described video camera 9,10,12 links by image pick-up card and computing machine respectively, described height displacement sensor 11, length travel sensor 20, transversal displacement sensor 15 link by amplification filtering and computer A/D translation interface, the drive motor 2 of described bodywork height difference measurements device B elevating mechanism connects with computer output interface control by variable-frequence governor, and described axle measurement of angle device C goes up the motor that drives slide unit 17 length travels, the motor 14 of actuated camera turntable 13 transversal displacements connects with computer output interface control respectively.
A shown in Fig. 1 is the roller beds of automobile roller test stand, ajusts device as automobile hind axle of the present utility model.
With reference to Fig. 2, elevating mechanism among the described bodywork height difference measurements device B is by one upright being located at leading screw 5 on the frame 1, being screwed onto nut 8 on the leading screw 5, driving the motor 2 that is connected leading screw 5 lower ends and form with the riser guide 6 that leading screw 5 be arranged in parallel by speed reduction unit 3, nut 8 is connected on the described double-deck video camera turntable 7, and the two side ends of double-deck video camera turntable 7 and riser guide 6 are the sliding fit interlocking.Driving leading screw 5 rotations by motor 2 can make double-deck video camera turntable 7 move up and down along riser guide 6.
Described height displacement sensor 11 be one with the coaxial angular encoder that connects in leading screw 5 upper ends, by the angle value of its output, by the lifting value of conversion metering lifting turntable, promptly bodywork height is poor.
With reference to Fig. 3, slide unit 17 among the described axle measurement of angle device C is suspended on the longitudinal rail 19 by four pulleys 18 that are arranged on the slide unit, 18 on pulley passes through speed reduction unit 22 and is connected with motor 23 drivings, by motor 23 drive pulley 18 slide unit 17 is moved on longitudinal rail 19; The screw mandrel (not marking among the figure) in the end cross slide way 21 drives and is connected with speed reduction unit 16, motor 14 described video camera turntable 13 under the slide unit 17 by being arranged on, and drives screw mandrel by motor 14 video camera turntable 13 is moved laterally along end cross slide way 21 under the slide unit 17.
Described length travel sensor 20 is angular encoders that axially are connected by 18 on sprocket wheel (not marking among the figure) and pulley, writes down the displacement that video camera vertically moves.
Described transversal displacement sensor 15 is one to be connected the angular encoder on screw mandrel one end in the described slide unit 17 lower end cross slide waies 21, can write down the transversal displacement of roof video camera.
The course of work of the present utility model is as follows:
When detecting with this checkout equipment, at first energized gets electric equipment.The Control Software of this detection system in the operation computing machine, the measurement of bodywork height difference before and after at first carrying out: as shown in Figure 4, the automobile headstock stops ahead 2 meters in distance difference in height instrument.Select the preceding video camera of car, position according to image, video camera horizontal hunting position before the control car (realizing) and upper-lower position (forward and backward by the control motor realizes) by the rotation of controlling double-deck stepless speed regulation lifting turntable assembly, make the unique point (seeing a point in the accompanying drawing 4) of the last side of car that will look for be positioned at the picture centre of camera acquisition before the car substantially, be on the right-angled intersection point of image window, this point is as reference point.Then, then adjust the horizontal pivot angle and the upright position of the preceding video camera of car again, simultaneous computer begins the pulse that the reading angular scrambler sends, till the feature symmetric points of opposite side before finding car (seeing the b point in the accompanying drawing 4).Like this, computing machine will calculate front of the car left and right sides difference in height according to the umber of pulse of reading.Automobile moves ahead, and places automobile hind axle to ajust on the mechanical system A automobile hind axle, and starter motor drives forward and backward cylinder rotation, and then the rotation of driving automobile trailing wheel, causes automobile hind axle to be parallel to cylinder axis, and promptly this moment, rear axle was ajusted.In like manner, double-deck video camera turntable and motor can be measured back vehicle body left and right sides difference in height (seeing c, the d point of accompanying drawing 5) behind the control car.Then, carry out the measurement of a drift angle again: after program switches to the image of roof camera acquisition, after rear axle is ajusted, rotation by the longitudinal and transverse motor in the Control Shaft deflection angle measuring systems, make the roof video camera along the longitudinal guide rail, cross slide way move, till two symmetric points that find car rear end left and right edges, (see e, the f point of accompanying drawing 5).Write down the stroke of video camera on each guide rail, calculate the central point O of 2 of e, f
1In like manner, control roof video camera arrives till the tailstock, by adjusting two the edge symmetric points (seeing g, h 2 points of accompanying drawing 6) before car is found in the position of video camera on horizontal, vertical guide rail.Calculate the stroke of guide rail, draw the central point O of 2 of g, h
2So far, TT﹠C system can be according to O
1And O
2The locus calculate automobile axle drift angle.The overall process of measuring is all finished under non-contacting situation, and can realize robotization.
Claims (5)
1. car body shape position error checkout equipment, comprise the roller beds that is arranged on ground automobile roller test stand, ajust device (A) as automobile hind axle, it is characterized in that also comprising being arranged at bodywork height difference measurements device (B), axle measurement of angle device (C) and the electric-control system (D) that car load detects place one side and top respectively;
Its bodywork height difference measurements device (B) is by a Vertical Rack (1) and be arranged on elevating mechanism on this frame, be arranged on behind video camera (9) before the car on the elevating mechanism, the car height displacement sensor (11) of video camera (10) and feedback video camera (9,10) upper and lower displacement amount by double-deck video camera turntable (7) forms;
Its measurement of angle device (C) by the longitudinal rail that is hung (19) and can be at the slide unit that vertically moves on this guide rail (17), be arranged on length travel sensor (20), the transversal displacement sensor (15) holding the roof video camera (12) on the cross slide way (21) under the slide unit (17) and feed back the vertical or horizontal displacement of video camera (12) respectively by video camera turntable (13) and form;
Its electric-control system (D) mainly is made up of variable-frequence governor, amplifying circuit, input/output interface circuit, industrial control computer, image pick-up card and control corresponding software; Described video camera (9,10,12) link by image pick-up card and computing machine respectively, described height displacement sensor (11), length travel sensor (20), transversal displacement sensor (15) links by amplification filtering and computer A/D translation interface, the drive motor (2) of described bodywork height difference measurements device (B) elevating mechanism connects with computer output interface control by variable-frequence governor, and described axle measurement of angle device (C) is gone up the motor that drives slide unit (17) length travel, the motor (14) of actuated camera turntable (13) transversal displacement connects with computer output interface control respectively.
2. car body shape position error checkout equipment according to claim 1, it is characterized in that in the described bodywork height difference measurements device (B) elevating mechanism by one upright be located at leading screw (5) on the frame (1), be screwed onto nut (8) on the leading screw (5), by speed reduction unit (3) drive the motor (2) that is connected leading screw (5) lower end and and the riser guide (6) that be arranged in parallel of leading screw (5) form, nut (8) is connected on the described double-deck video camera turntable (7), and the two side ends of double-deck video camera turntable (7) and riser guide (6) are the sliding fit interlocking.
3. car body shape position error checkout equipment according to claim 1, it is characterized in that described height displacement sensor (11) be one with the coaxial angular encoder that connects in leading screw (5) upper end.
4. car body shape position error checkout equipment according to claim 1, it is characterized in that the slide unit (17) among the described axle measurement of angle device C is suspended on the longitudinal rail (19) by four pulleys (18) that are arranged on the slide unit, pulley (18) axle drives with motor (23) by speed reduction unit (22) and is connected; Described video camera turntable (13) is connected with speed reduction unit (16), motor (14) driving by being arranged on the screw mandrel of holding under the slide unit (17) in the cross slide way (21).
5. car body shape position error checkout equipment according to claim 1 is characterized in that described length travel sensor (20) is an angular encoder that axially is connected by sprocket wheel and pulley (18) axle; Described transversal displacement sensor (15) is one to be connected the angular encoder on screw mandrel one end in described slide unit (17) the lower end cross slide way (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012499 CN2738202Y (en) | 2004-09-17 | 2004-09-17 | Vehicle body form and position deviation detecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012499 CN2738202Y (en) | 2004-09-17 | 2004-09-17 | Vehicle body form and position deviation detecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738202Y true CN2738202Y (en) | 2005-11-02 |
Family
ID=35348108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420012499 Expired - Lifetime CN2738202Y (en) | 2004-09-17 | 2004-09-17 | Vehicle body form and position deviation detecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2738202Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661732A (en) * | 2012-04-20 | 2012-09-12 | 深圳市安车检测技术有限公司 | Non-contact type automobile body angle measuring system |
| CN102883988A (en) * | 2010-02-12 | 2013-01-16 | 实耐宝公司 | Rack drive-on assistance systems |
| CN103411565A (en) * | 2013-08-29 | 2013-11-27 | 临沂大学 | Automobile body inclination degree measurement method of small automobile |
-
2004
- 2004-09-17 CN CN 200420012499 patent/CN2738202Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883988A (en) * | 2010-02-12 | 2013-01-16 | 实耐宝公司 | Rack drive-on assistance systems |
| CN102883988B (en) * | 2010-02-12 | 2015-09-23 | 实耐宝公司 | For guiding the vehicle to the device on service lift |
| CN102661732A (en) * | 2012-04-20 | 2012-09-12 | 深圳市安车检测技术有限公司 | Non-contact type automobile body angle measuring system |
| CN102661732B (en) * | 2012-04-20 | 2015-05-27 | 深圳市安车检测技术有限公司 | Non-contact type automobile body angle measuring system |
| CN103411565A (en) * | 2013-08-29 | 2013-11-27 | 临沂大学 | Automobile body inclination degree measurement method of small automobile |
| CN103411565B (en) * | 2013-08-29 | 2016-06-29 | 临沂大学 | Automobile body inclination degree measurement method of small automobile |
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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 |
Effective date of abandoning: 20040917 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |