CN109373932B - Measuring device for approach angle, departure angle and longitudinal passing angle of automobile - Google Patents
Measuring device for approach angle, departure angle and longitudinal passing angle of automobile Download PDFInfo
- Publication number
- CN109373932B CN109373932B CN201811322610.8A CN201811322610A CN109373932B CN 109373932 B CN109373932 B CN 109373932B CN 201811322610 A CN201811322610 A CN 201811322610A CN 109373932 B CN109373932 B CN 109373932B
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- angle
- swing arm
- departure
- angle adjusting
- passing
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- 238000013459 approach Methods 0.000 title claims description 17
- 238000005259 measurement Methods 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a measuring device for an approaching angle, an exiting angle and a longitudinal passing angle of an automobile, which comprises an angle measurer and an angle adjusting swing arm, wherein the angle measurer is arranged at the center position of the outer sides of wheels opposite to the two sides of the automobile, a rotating shaft of the angle measurer is connected with one end of the angle adjusting swing arm, the other end of the angle adjusting swing arm extends to the edge of the wheels, a transmitting belt is connected between the angle adjusting swing arms on the two sides, an angle adjusting assembly is arranged on the lower side of the wheels, the angle adjusting assembly comprises a base, the side wall of the base is rotationally connected with one end of the swing arm, a driving nut is axially arranged at the other end of the swing arm, and a pushing screw rod which axially moves is inserted into the other end of the swing arm, and one end of the pushing screw rod is rotationally connected with the side wall of the angle adjusting swing arm. The invention has simple structure, convenient installation and use, can be used for measuring three passing angles and is more accurate.
Description
Technical Field
The invention relates to the field of automobile detection equipment, in particular to a measuring device for an approach angle, a departure angle and a longitudinal passing angle of an automobile.
Background
The approach angle, the departure angle and the longitudinal passing angle are all passing angles of automobiles, are all important representation parameters of the traffic capacity of the automobiles, and are important parameters for representing whether the automobiles can pass through low-lying and raised road sections. The existing approach angle, departure angle and longitudinal passing angle are mostly obtained in a calculation mode, deviation exists between a calculation result and an actual angle, angle measurement is carried out by adopting a straight plate or a straight ruler in the market at present, the measurement mode is low in precision and large in deviation, and the existing measuring tool cannot measure the longitudinal passing angle and can only be used for measuring the approach angle and the departure angle at most, so that a brand-new measuring device is needed for accurately measuring the approach angle, the departure angle and the longitudinal passing angle.
Disclosure of Invention
The invention aims to solve the technical problem of providing a measuring device for the approach angle, the departure angle and the longitudinal passing angle of an automobile, which has the advantages of simple structure, convenient installation and use, capability of measuring three passing angles and accuracy.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a measuring device of car approach angle, departure angle and vertical angle of passing, including angle measurement ware and angle modulation swing arm, angle measurement ware install the outside central point of the relative wheel in car both sides, the pivot of angle measurement ware link to each other with the one end of angle modulation swing arm, the other end of angle modulation swing arm extend to the edge of wheel and connect the emission light band between the angle modulation swing arm of both sides, the downside of wheel is provided with angle adjustment subassembly, this angle adjustment subassembly includes the base, the base lateral wall on rotate with the one end of swing arm and link to each other, the other end axial of swing arm install drive nut and insert axial displacement's push screw, one end of push screw and the one end lateral wall of angle modulation swing arm rotate and link to each other.
As a supplement to the technical proposal of the invention, the light emitted by the light emitting belt is always tangential to the outer circumferential side wall of the wheel.
Further, the angle adjusting swing arm is composed of two swing arms, and the two swing arms are connected through a sliding groove which is axially arranged, so that the length of the angle adjusting swing arm is adjusted.
Further, the light receiving wall is arranged on the front side or the rear side of the automobile.
Further, an angle display screen is arranged on the angle measurer.
The beneficial effects are that: the invention relates to a measuring device for an approach angle, an exit angle and a longitudinal passing angle of an automobile, which has the advantages of simple structure, convenient installation and use, capability of measuring three passing angles, no need of indirect measurement by a ruler, direct measurement of light emission, no need of later calculation, more accuracy, suitability for different types of vehicles and good popularization value.
Drawings
FIG. 1 is a side elevational structural view of the present invention;
FIG. 2 is a front view block diagram of the present invention;
FIG. 3 is a block diagram of the angle adjustment assembly of the present invention;
FIG. 4 is a schematic view of the approach angle measurement of the present invention;
FIG. 5 is a schematic illustration of the measurement of departure angle of the present invention;
fig. 6 is a schematic view of the measurement of the longitudinal pass angle of the present invention.
The diagram is: 1. an angle measurer; 2. angle-adjusting the swing arm; 3. a transmitting band; 4. an angle adjustment assembly; 5. a light receiving wall; 41. a base; 42. a swinging rod; 43. a drive nut; 44. pushing the screw.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
As shown in fig. 1-6, the technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a measuring device of car approach angle, departure angle and vertical angle of passing, including angle measurement ware 1 and angle modulation swing arm 2, angle measurement ware 1 install the outside central point of the relative wheel in car both sides, angle measurement ware 1's pivot link to each other with angle modulation swing arm 2's one end, angle modulation swing arm 2's the other end extend to the edge of wheel and angle modulation swing arm 2 of both sides between be connected with emission light band 3, the downside of wheel is provided with angle adjustment subassembly 4, this angle adjustment subassembly 4 includes base 41, the base 41 lateral wall on with the one end rotation of swing arm 42 link to each other, the other end axial of swing arm 42 install drive nut 43 and insert axial displacement's push screw 44, push screw 44's one end and angle modulation swing arm 2's one end lateral wall rotate and link to each other.
The light emitted by the light emitting band 3 is always tangential to the outer circumferential side wall of the wheel, and the light emitted by the light emitting band 3 is a straight ray.
The angle adjusting swing arm 2 consists of two swing arms, and the two swing arms are connected through axially arranged sliding grooves so as to adjust the length of the angle adjusting swing arm 2.
The angle measurer 1 is provided with an angle display screen.
As an example of the present invention:
as shown in fig. 4, the approach angle measurement: the measured vehicle is parked towards the light receiving wall 5, the distance between the measured vehicle and the light receiving wall 5 is 50cm, the angle measurer 1, the angle adjusting swing arm 2, the transmitting light band 3 and the angle adjusting assembly 4 are arranged on two front wheels of the vehicle, meanwhile, the angle measurer 1 enables the angle indication values on the left side and the right side to be 0 when the angle adjusting swing arm 2 is perpendicular to the ground, the light emitted by the transmitting light band 3 can irradiate onto the front light receiving wall 5, then the driving nut 43 can be rotated to enable the pushing screw 44 to axially move, the angle adjusting swing arm 2 is pushed to swing, the position is gradually increased, the light emitted by the transmitting light band 3 is always tangential to the outer circumferential side wall of the wheels, the horizontal light on the light receiving wall 5 can be always moved upwards, and the indication value of the angle measurer 1 is the approach angle of the automobile at the moment when the light on the light receiving wall 5 is at a break point when a certain critical value is reached.
As shown in fig. 5, the angle of departure is measured: the measured vehicle is parked back to the light receiving wall 5, the distance between the measured vehicle and the light receiving wall 5 is 50cm, and the angle measurer 1, the angle adjusting swing arm 2, the transmitting light band 3 and the angle adjusting component 4 are arranged on two rear wheels of the vehicle, and the measuring method is consistent with the measuring method of the approach angle above.
As shown in fig. 6, measurement of longitudinal pass angle: the vehicle is parked on the ground with the pit, 1 person is in the pit during measurement, 1 person is operating equipment on the ground, the two sets of measuring devices are used simultaneously, the emitting direction of the emitting light band 3 is toward the middle of the chassis of the vehicle, the bottom of the vehicle is used as a light receiving wall, the two sets of equipment are located at the position where the light crossing of the bottom of the vehicle is located at the longitudinal passing angle, and the sum of the numerical values of the angle measuring devices 1 of the two sets of equipment is the longitudinal passing angle.
Table 1, actual measurement data
When the tire pressure is measured, the tire pressure is recommended for the vehicle, the tire is a factory tire, the theoretical value is calculated by design, and factors such as deformation of the tire in the actual use process are not considered, so that the numerical value is relatively larger (namely, the tire pressure is deviated to the direction with better passing property of the vehicle), and the actual measured value is the numerical value which is actually measured, is closer to the actual use state and is more real.
The invention has simple structure and convenient installation and use, can be used for measuring three passing angles, abandons the indirect measurement carried out by using the ruler, adopts the direct measurement of light emission, does not need the later calculation, is more accurate, can be suitable for different types of vehicles, and has good popularization value.
Claims (3)
1. The utility model provides a measuring device that angle, departure angle and vertical angle of passing are approached to car, includes angle measurement ware (1) and angle modulation swing arm (2), its characterized in that, angle measurement ware (1) install the outside central point of the wheel that is relative in car both sides, the pivot of angle measurement ware (1) link to each other with the one end of angle modulation swing arm (2), the other end of angle modulation swing arm (2) extend to and connect emission light band (3) between the angle modulation swing arm (2) of edge and both sides of wheel, the downside of wheel is provided with angle modulation subassembly (4), this angle modulation subassembly (4) include base (41), the base (41) lateral wall on link to each other with the one end rotation of swing arm (42), the other end axial of swing arm (42) install drive nut (43) and insert axial displacement's push screw (44), the one end of push screw (44) rotate with the one end lateral wall of angle modulation swing arm (2) and link to each other, still including setting up at car front side or the light receiving wall (5) of rear side, emission light band (3) tangent with the outer circumference of wheel all the time.
2. The device for measuring the approach angle, the departure angle and the longitudinal passing angle of an automobile according to claim 1, wherein: the angle adjusting swing arm (2) consists of two swing arms, and the two swing arms are connected through axially arranged sliding grooves so as to adjust the length of the angle adjusting swing arm (2).
3. The device for measuring the approach angle, the departure angle and the longitudinal passing angle of an automobile according to claim 1, wherein: an angle display screen is arranged on the angle measurer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322610.8A CN109373932B (en) | 2018-11-08 | 2018-11-08 | Measuring device for approach angle, departure angle and longitudinal passing angle of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322610.8A CN109373932B (en) | 2018-11-08 | 2018-11-08 | Measuring device for approach angle, departure angle and longitudinal passing angle of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109373932A CN109373932A (en) | 2019-02-22 |
| CN109373932B true CN109373932B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811322610.8A Active CN109373932B (en) | 2018-11-08 | 2018-11-08 | Measuring device for approach angle, departure angle and longitudinal passing angle of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373932B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050773A (en) * | 2020-08-19 | 2020-12-08 | 中国第一汽车股份有限公司 | Device and method for measuring longitudinal passing angle of automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09329431A (en) * | 1996-06-10 | 1997-12-22 | Bridgestone Corp | Method and device for angle measurement |
| CN203479233U (en) * | 2013-08-01 | 2014-03-12 | 北京汽车研究总院有限公司 | Tool for measuring approach angle and departure angle of vehicle |
| CN204142200U (en) * | 2014-08-30 | 2015-02-04 | 长城汽车股份有限公司 | Ramp Angles and departure angle self-operated measuring unit |
| CN207797955U (en) * | 2017-10-24 | 2018-08-31 | 北京汽车股份有限公司 | Trafficability survey tool |
| CN207908170U (en) * | 2018-01-23 | 2018-09-25 | 长城汽车股份有限公司 | Trafficability measuring device |
| CN208968490U (en) * | 2018-11-08 | 2019-06-11 | 卡达克机动车质量检验中心(宁波)有限公司 | A kind of measuring device of Ramp Angles, departure angle and ramp breakover angle |
-
2018
- 2018-11-08 CN CN201811322610.8A patent/CN109373932B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09329431A (en) * | 1996-06-10 | 1997-12-22 | Bridgestone Corp | Method and device for angle measurement |
| CN203479233U (en) * | 2013-08-01 | 2014-03-12 | 北京汽车研究总院有限公司 | Tool for measuring approach angle and departure angle of vehicle |
| CN204142200U (en) * | 2014-08-30 | 2015-02-04 | 长城汽车股份有限公司 | Ramp Angles and departure angle self-operated measuring unit |
| CN207797955U (en) * | 2017-10-24 | 2018-08-31 | 北京汽车股份有限公司 | Trafficability survey tool |
| CN207908170U (en) * | 2018-01-23 | 2018-09-25 | 长城汽车股份有限公司 | Trafficability measuring device |
| CN208968490U (en) * | 2018-11-08 | 2019-06-11 | 卡达克机动车质量检验中心(宁波)有限公司 | A kind of measuring device of Ramp Angles, departure angle and ramp breakover angle |
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| Publication number | Publication date |
|---|---|
| CN109373932A (en) | 2019-02-22 |
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Address after: 315226 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo, Zhejiang Province Applicant after: China Auto Research Automobile Inspection Center (Ningbo) Co.,Ltd. Address before: 315336 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Applicant before: CATARC AUTOMOTIVE QUALITY INSPECTION CENTER (NINGBO) CO.,LTD. |
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