CN112050773A - Device and method for measuring longitudinal passing angle of automobile - Google Patents
Device and method for measuring longitudinal passing angle of automobile Download PDFInfo
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- CN112050773A CN112050773A CN202010835492.1A CN202010835492A CN112050773A CN 112050773 A CN112050773 A CN 112050773A CN 202010835492 A CN202010835492 A CN 202010835492A CN 112050773 A CN112050773 A CN 112050773A
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention belongs to the technical field of automobile longitudinal passing angle measurement, and particularly relates to a device and a method for measuring an automobile longitudinal passing angle; the front half part and the rear half part of the device both comprise a tire tangent plate, a transition rod and an angle measuring rod, the end part of one side of the transition rod is connected to the side surface of the tire tangent plate in a selectable interference fit manner, a slide way is arranged in the angle measuring rod, the angle measuring rod is connected to the transition rod in a fit manner through the slide way in the angle measuring rod, can slide along the transition rod and is fixed on the transition rod through a locking bolt, and the angle measuring rod pin shafts of the front half part and the rear half part are connected; when in use, the two digital display angle gauges are respectively attached to the angle measuring rods of the front part and the rear part of the automobile longitudinal passing angle measuring device, so that the longitudinal passing angle of the automobile can be measured; the device has universality for the measurement of longitudinal passing angles of different vehicle types, can ensure the accuracy and reliability of measurement results, and is convenient to carry and simple to disassemble and assemble.
Description
Technical Field
The invention belongs to the technical field of measurement of longitudinal passing angles of automobiles, and particularly relates to a device and a method for measuring the longitudinal passing angle of an automobile.
Background
The longitudinal passage angle of the vehicle characterizes the overall dimensions of an automobile which can pass through obstacles such as hills, arch bridges and the like without collision, wherein the larger the longitudinal passage angle of the vehicle, the better the passage of the automobile. The longitudinal passing angle of the vehicle is an important parameter for representing the passing performance of the vehicle, and the value of the longitudinal passing angle is also an important parameter for evaluating the motor performance of the vehicle.
In the development of automobile products, the longitudinal passing angle of a vehicle needs to be measured, however, because the ground clearance of the vehicle is relatively small, the measurement of the longitudinal passing angle is difficult, at present, a measuring device needs to be separately designed for different vehicle types for measurement, the measurement result is inaccurate, and the use is inconvenient.
Disclosure of Invention
In order to overcome the problems, the invention provides the device and the method for measuring the longitudinal passing angle of the automobile, which not only solve the problem that the result of the current measured longitudinal passing angle of the automobile is inaccurate, but also have universality for the measurement of the longitudinal passing angles of different automobile types, have good consistency of repeated measurement, can ensure the accuracy and reliability of the measured result, and simultaneously, the device is convenient to carry, simple to disassemble and assemble, convenient to operate and low in manufacturing and maintenance cost.
The utility model provides a car is vertical passes through angle measuring device, including first half and latter half, wherein first half and latter half all include tire tangent line board, transition pole and angle measuring pole, the selectable interference fit of transition pole one side tip is connected in the side of tire tangent line board, the inside slide that is equipped with of angle measuring pole, the angle measuring pole is connected on the transition pole through its inside slide cooperation, can slide along the transition pole, and fix on the transition pole through locking bolt 5, the angle measuring pole pin hub connection of first half and latter half.
The front half part comprises a first tire tangent plate 1, a first transition rod 2 and a first angle measuring rod 3, wherein the rear side surface of the first tire tangent plate 1 is provided with a first sliding groove 11, the front side end part of the first transition rod 2 is provided with a first sliding key 21, the rear side of the first transition rod 2 is provided with a first sliding rail 22, the first transition rod 2 is connected in the first sliding groove 11 in a selectable interference fit mode through the first sliding key 21 on the first transition rod, a first slideway 31 is arranged in the first angle measuring rod 3, the first angle measuring rod 3 is connected on the first sliding rail 22 of the first transition rod 2 in a fit mode through the first slideway 31 in the first angle measuring rod 3, so that the first angle measuring rod 3 can slide on the first sliding rail 22 of the first transition rod 2, a locking bolt 5 penetrates through the first angle measuring rod 3 and is screwed on the first sliding rail 22 of the first transition rod 2, the rear side end part of the first angle measuring rod 3 is provided with a boss 32, the boss 32 is provided with a pin hole.
The rear half part comprises a second tire tangent plate 6, a second transition rod 7 and a second angle measuring rod 8, wherein the front side surface of the second tire tangent plate 6 is provided with a second sliding groove, the rear side end part of the second transition rod 7 is provided with a second sliding key, the front side of the second transition rod 7 is provided with a second sliding rail, the second transition rod 7 is connected in the second sliding groove through the selectable interference fit of the second sliding key thereon, a second slide way is arranged inside the second angle measuring rod 8, the second angle measuring rod 8 is connected on the second sliding rail of the second transition rod 7 through the second slide way inside the second angle measuring rod 8 in a fit manner, make second angle measuring rod 8 can slide on the second slide rail of second transition pole 7, locking bolt 5 passes second angle measuring rod 8 and screws up on the second slide rail of second transition pole 7, and 8 front end portions of second angle measuring rod are equipped with recess 81, are equipped with the round pin shaft hole on the second angle measuring rod 8 at both ends around the recess 81 respectively.
The pin shaft 4 sequentially penetrates through a pin shaft hole in the second angle measuring rod 8 at the front end of the groove 81, a pin shaft hole in the boss 32 and a pin shaft hole in the second angle measuring rod 8 at the rear end of the groove 81, and the first angle measuring rod 3 and the second angle measuring rod 8 are connected together.
A method for measuring the longitudinal passing angle of the automobile by adopting the device for measuring the longitudinal passing angle of the automobile comprises the following steps:
parking the automobile on a flat plate lifting machine 9, and then longitudinally placing the automobile on the flat plate lifting machine 9 through an angle measuring device and between front and rear wheels of the automobile;
the top end of the joint of the front part and the rear part of the automobile longitudinally passing through the angle measuring device is attached to the surface of the lowest position of the bottom of the automobile body, and the positions of transition rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device on a tire tangent plate are adjusted, so that the transition rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device are respectively positioned between front wheels and rear wheels at the front end and the rear end of the automobile;
adjusting angle measuring rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device to enable the automobile to rotate around a rotating shaft 4, stretching or contracting corresponding transition rods simultaneously until the automobile longitudinally passes through tire tangent plates of the front part and the rear part of the angle measuring device to be respectively attached to the surfaces of the front wheel and the rear wheel of the automobile, which are contacted with the ground, and locking corresponding locking bolts 5;
and respectively attaching the two digital display angle rulers to angle measuring rods of the front part and the rear part of the automobile longitudinal passing angle measuring device, respectively measuring two angles, and adding the two angles to obtain the automobile longitudinal passing angle alpha.
The invention has the beneficial effects that:
the device for measuring the longitudinal passing angle of the automobile, provided by the invention, has the advantages of simple structure and accurate measurement, and can solve the problem of large accumulated error caused by indirect calculation by using a triangular geometric mode in the prior art. Through placing the digital display angle square of first angle measuring stick, second angle measuring stick respectively, can directly measure the vertical angle of passing through of car, avoid the error of measuring and calculating.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the apparatus of the present invention.
FIG. 2 is a schematic view of a part of the structure of the apparatus of the present invention.
FIG. 3 is a schematic illustration of the transition rod portion structure of the device of the present invention.
FIG. 4 is a schematic view of the junction between the left and right portions of the apparatus of the present invention.
FIG. 5 is a schematic view of the device of the present invention in use.
Wherein: 1 first tire tangent line board, 11 first spout, 2 first transition rods, 21 first feather key, 22 first slide rail, 3 first angle measuring sticks, 31 first slide, 32 bosss, 4 round pin axles, 5 locking bolts, 6 second tire tangent line boards, 7 second transition rods, 8 second angle measuring sticks, 81 recesses, 9 dull and stereotyped machines of lifting, 10 digital display angle rulers.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "front", "rear", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a car is vertical passes through angle measuring device, including first half and latter half, wherein first half and latter half all include tire tangent line board, transition pole and angle measuring pole, the selectable interference fit of transition pole one side tip is connected in the side of tire tangent line board, the inside slide that is equipped with of angle measuring pole, the angle measuring pole is connected on the transition pole through its inside slide cooperation, can slide along the transition pole, and fix on the transition pole through locking bolt 5, the angle measuring pole pin hub connection of first half and latter half.
The front half part comprises a first tire tangent plate 1, a first transition rod 2 and a first angle measuring rod 3, wherein the rear side surface of the first tire tangent plate 1 is provided with a first sliding groove 11, the front side end part of the first transition rod 2 is provided with a first sliding key 21, the rear side of the first transition rod 2 is provided with a first sliding rail 22, the first transition rod 2 is connected in the first sliding groove 11 in a selectable interference fit mode through the first sliding key 21 on the first transition rod, a first slideway 31 is arranged in the first angle measuring rod 3, the first angle measuring rod 3 is connected on the first sliding rail 22 of the first transition rod 2 in a fit mode through the first slideway 31 in the first angle measuring rod 3, so that the first angle measuring rod 3 can slide on the first sliding rail 22 of the first transition rod 2, a locking bolt 5 penetrates through the first angle measuring rod 3 and is screwed on the first sliding rail 22 of the first transition rod 2, the rear side end part of the first angle measuring rod 3 is provided with a boss 32, the boss 32 is provided with a pin hole.
The rear half part comprises a second tire tangent plate 6, a second transition rod 7 and a second angle measuring rod 8, wherein the front side surface of the second tire tangent plate 6 is provided with a second sliding groove, the rear side end part of the second transition rod 7 is provided with a second sliding key, the front side of the second transition rod 7 is provided with a second sliding rail, the second transition rod 7 is connected in the second sliding groove through the selectable interference fit of the second sliding key thereon, a second slide way is arranged inside the second angle measuring rod 8, the second angle measuring rod 8 is connected on the second sliding rail of the second transition rod 7 through the second slide way inside the second angle measuring rod 8 in a fit manner, make second angle measuring rod 8 can slide on the second slide rail of second transition pole 7, locking bolt 5 passes second angle measuring rod 8 and screws up on the second slide rail of second transition pole 7, and 8 front end portions of second angle measuring rod are equipped with recess 81, are equipped with the round pin shaft hole on the second angle measuring rod 8 at both ends around the recess 81 respectively.
The pin shaft 4 sequentially penetrates through a pin shaft hole in the second angle measuring rod 8 at the front end of the groove 81, a pin shaft hole in the boss 32 and a pin shaft hole in the second angle measuring rod 8 at the rear end of the groove 81, and the first angle measuring rod 3 and the second angle measuring rod 8 are connected together.
A method for measuring the longitudinal passing angle of the automobile by adopting the device for measuring the longitudinal passing angle of the automobile comprises the following steps:
parking the automobile on a flat plate lifting machine 9, and then longitudinally placing the automobile on the flat plate lifting machine 9 through an angle measuring device and between front and rear wheels of the automobile;
the top end of the joint of the front part and the rear part of the automobile longitudinally passing through the angle measuring device is attached to the surface of the lowest position of the bottom of the automobile body, and the positions of transition rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device on a tire tangent plate are adjusted, so that the transition rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device are respectively positioned between front wheels and rear wheels at the front end and the rear end of the automobile;
adjusting angle measuring rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device to enable the automobile to rotate around a rotating shaft 4, stretching or contracting corresponding transition rods simultaneously until the automobile longitudinally passes through tire tangent plates of the front part and the rear part of the angle measuring device to be respectively attached to the surfaces of the front wheel and the rear wheel of the automobile, which are contacted with the ground, and locking corresponding locking bolts 5;
specifically, the method comprises the following steps: adjusting the first angle measuring rod 3 to rotate around the rotating shaft 4, stretching or contracting the first transition rod 7 at the same time until the first tire tangent plate 1 is attached to the surface of the front wheel of the automobile, which is in contact with the ground, and locking the locking bolt 5;
adjusting the second angle measuring rod 8 to rotate around the rotating shaft 4, stretching or contracting the second transition rod 2 at the same time until the second tire tangent plate 6 is attached to the surface of the rear wheel of the automobile, which is in contact with the ground, and locking the locking bolt 5;
and respectively attaching the two digital display angle rulers to angle measuring rods of the front part and the rear part of the automobile longitudinal passing angle measuring device, respectively measuring two angles, and adding the two angles to obtain the automobile longitudinal passing angle alpha.
Reference toFIG. 1 shows a schematic view of a、FIG. 2AndFIG. 3In specific embodiment 1 of the present invention, there is provided an apparatus for measuring a longitudinal passing angle of an automobile, the front half portion including: a first tire tangent plate 1, a first transition rod 2, a first angle measuring rod 3,
The first tire tangent plate 1 comprises a first end face and a second end face which are opposite, and a first sliding groove 11 penetrating through the second end face is formed in the first tire tangent plate 1;
the first transition rod 2 comprises a first sliding key 21 arranged at one end and a first sliding rail 22 arranged at the other end, and the first sliding key 21 penetrates through the second end face and is slidably inserted into the first sliding groove 11;
the first angle measuring rod 3 is internally provided with a first slide way 31, the other end of the first angle measuring rod is provided with a pin shaft hole, and the first slide way 31 can contract and extend along the first slide rail 22; the pin shaft 4 can be arranged in the pin shaft hole.
The first transition rod 2 is perpendicular to the second end face of the first tire tangent plate 1 and can move along the first sliding groove 11 relatively.
Interference fit is adopted in the cooperation of first spout 11 of first tire tangent line board 1 and first feather key 21 on the first transition pole 2, and first tire tangent line board 1 need stretch out through external force drawing during the use, can guarantee like this that needs fixing in first spout 11 and keeping perpendicularly that first transition pole 2 can fasten.
Be equipped with locking bolt 5 on first angle measuring stick 3 and can lock first angle measuring stick 3 and first transition pole 2.
The first angle measuring rod 3 and the second angle measuring rod 3 are fixed by a pin shaft 4 and can rotate relatively.
When the device is used, the digital display angle ruler is placed on the first angle measuring rod 3 and the second angle measuring rod 8.
The thickness of the tire tangent plate is 0.5 cm-1 cm. Preferably 0.5 cm; since the thickness of the tangent plate of the tire is very small, it is negligible when measuring the longitudinal passing angle of the vehicle.
The method for measuring the longitudinal passing angle of the automobile by using the device for measuring the passing angle alpha of the automobile is convenient to operate, and the numerical value of the longitudinal passing angle alpha of the automobile can be obtained by only tangency of the tire tangent plate and the surfaces of the front wheel, the rear wheel and the ground which are jointed together by stretching, then respectively measuring the two angle measuring rods by using the digital display angle ruler, and adding the two numerical values, so that the accuracy of measuring the longitudinal passing angle alpha of the automobile is improved, and errors caused by calculation of measuring related numerical values by using a trigonometric method are avoided.
Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the scope of the present invention is not limited to the specific details of the above embodiments, and any person skilled in the art can substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention, and these simple modifications belong to the scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (5)
1. The utility model provides a car is vertical passes through angle measuring device, its characterized in that includes first half and latter half, wherein first half and latter half all include tire tangent line board, transition pole and angle measuring pole, the selectable interference fit of transition pole one side tip is connected in the side of tire tangent line board, the inside slide that is equipped with of angle measuring pole, angle measuring pole is connected on the transition pole through its inside slide cooperation, can slide along the transition pole, and fix on the transition pole through locking bolt 5, the angle measuring pole pin hub connection of first half and latter half.
2. The automobile longitudinal passing angle measuring device according to claim 1, wherein the front half portion comprises a first tire tangent plate 1, a first transition rod 2 and a first angle measuring rod 3, wherein the rear side of the first tire tangent plate 1 is provided with a first sliding slot 11, the front side end of the first transition rod 2 is provided with a first sliding key 21, the rear side of the first transition rod 2 is provided with a first sliding rail 22, the first transition rod 2 is connected in the first sliding slot 11 through the first sliding key 21 thereon in an optional interference fit manner, the first angle measuring rod 3 is internally provided with a first sliding way 31, the first angle measuring rod 3 is connected on the first sliding rail 22 of the first transition rod 2 through the first sliding way 31 therein in a fit manner, so that the first angle measuring rod 3 can slide on the first sliding rail 22 of the first transition rod 2, the locking bolt 5 passes through the first angle measuring rod 3 and is screwed on the first sliding way 22 of the first transition rod 2, the rear end of the first angle measuring rod 3 is provided with a boss 32, and the boss 32 is provided with a pin shaft hole.
3. The automobile longitudinal passing angle measuring device according to claim 2, wherein the rear half portion comprises a second tire tangent plate 6, a second transition rod 7 and a second angle measuring rod 8, wherein a second sliding groove is formed in the front side surface of the second tire tangent plate 6, a second sliding key is arranged at the rear end of the second transition rod 7, a second sliding rail is formed in the front side of the second transition rod 7, the second transition rod 7 is connected in the second sliding groove through the second sliding key on the second transition rod in a selectable interference fit manner, a second sliding way is formed in the second angle measuring rod 8, the second angle measuring rod 8 is connected on the second sliding rail of the second transition rod 7 through the second sliding way in a fit manner, so that the second angle measuring rod 8 can slide on the second sliding rail of the second transition rod 7, the locking bolt 5 passes through the second angle measuring rod 8 and is screwed on the second sliding rail of the second transition rod 7, the front end of the second angle measuring rod 8 is provided with a groove 81, and the second angle measuring rod 8 at the front end and the rear end of the groove 81 are respectively provided with a pin shaft hole.
4. The device for measuring the longitudinal passing angle of the automobile as claimed in claim 3, wherein the pin 4 passes through the pin hole of the second angle measuring rod 8 at the front end of the groove 81, the pin hole of the boss 32 and the pin hole of the second angle measuring rod 8 at the rear end of the groove 81 in sequence to connect the first angle measuring rod 3 and the second angle measuring rod 8 together.
5. A method for measuring a longitudinal passing angle of an automobile by using the device for measuring a longitudinal passing angle of an automobile according to claim 1, comprising the steps of:
parking the automobile on a flat plate lifting machine 9, and then longitudinally placing the automobile on the flat plate lifting machine 9 through an angle measuring device and between front and rear wheels of the automobile;
the top end of the joint of the front part and the rear part of the automobile longitudinally passing through the angle measuring device is attached to the surface of the lowest position of the bottom of the automobile body, and the positions of transition rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device on a tire tangent plate are adjusted, so that the transition rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device are respectively positioned between front wheels and rear wheels at the front end and the rear end of the automobile;
adjusting angle measuring rods of the front part and the rear part of the automobile longitudinally passing through the angle measuring device to enable the automobile to rotate around a rotating shaft 4, stretching or contracting corresponding transition rods simultaneously until the automobile longitudinally passes through tire tangent plates of the front part and the rear part of the angle measuring device to be respectively attached to the surfaces of the front wheel and the rear wheel of the automobile, which are contacted with the ground, and locking corresponding locking bolts 5;
and respectively attaching the two digital display angle rulers to angle measuring rods of the front part and the rear part of the automobile longitudinal passing angle measuring device, respectively measuring two angles, and adding the two angles to obtain the automobile longitudinal passing angle alpha.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010835492.1A CN112050773A (en) | 2020-08-19 | 2020-08-19 | Device and method for measuring longitudinal passing angle of automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010835492.1A CN112050773A (en) | 2020-08-19 | 2020-08-19 | Device and method for measuring longitudinal passing angle of automobile |
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Cited By (2)
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| CN112629879A (en) * | 2020-12-10 | 2021-04-09 | 摩登汽车(盐城)有限公司 | Device and method for measuring longitudinal passing angle of automobile |
| CN113432511A (en) * | 2021-06-21 | 2021-09-24 | 东风汽车股份有限公司 | Tool and method for measuring longitudinal passing angle of automobile by using shear type lifter |
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Application publication date: 20201208 |