CN114061969A - Vehicle trafficability measuring device and method - Google Patents
Vehicle trafficability measuring device and method Download PDFInfo
- Publication number
- CN114061969A CN114061969A CN202111157596.2A CN202111157596A CN114061969A CN 114061969 A CN114061969 A CN 114061969A CN 202111157596 A CN202111157596 A CN 202111157596A CN 114061969 A CN114061969 A CN 114061969A
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- measuring
- rod
- pulley
- vehicle
- slide rail
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- 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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses a vehicle trafficability measuring device, which comprises a bottom plate and a measuring plate, wherein the measuring plate is vertically supported at one end of the bottom plate and is provided with a graduated scale; the supporting rod is slidably supported on the bottom plate, is perpendicular to the bottom plate, can horizontally slide along the bottom plate and is provided with a vertical sliding chute; the pin shaft is arranged in the vertical sliding groove in a sliding manner; one end of the measuring rod is slidably supported on the measuring plate and can vertically slide along the measuring plate, and the middle point of the measuring rod is hinged with the pin shaft; one end of the sliding rod is slidably supported on the measuring plate and can vertically slide along the measuring plate, the other end of the sliding rod is hinged with the pin shaft, and the length of the sliding rod is half of that of the measuring rod; and the angle scale is fixedly connected with the pin shaft. The invention has compact structure, convenient operation and use and lower cost, can be used for measuring the minimum ground clearance, the approach angle and the departure angle of the vehicle, is more accurate, effectively simplifies the passing measurement procedure and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of automobile detection, in particular to a vehicle trafficability measuring device and method.
Background
The trafficability characteristic of a vehicle is an important performance of the vehicle, is an important characteristic parameter of the traffic capacity of the vehicle, and is an important parameter for representing whether the vehicle can pass through a low-lying and protruding road section, at present, all domestic vehicle products must meet the technical requirements of national standards on the trafficability characteristic of the whole vehicle before leaving a factory, so that, when the vehicle is developed or tested, the trafficability characteristic measurement is indispensable, the trafficability characteristic measurement comprises the measurement of the minimum ground clearance, the approach angle and the departure angle of the vehicle.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a vehicle trafficability measuring device which comprises a bottom plate, a measuring plate, a supporting rod, a pin shaft, a measuring rod, a sliding rod and an angle scale.
The technical scheme of the invention is as follows:
a vehicle trafficability measurement device comprising:
a base plate;
a measuring plate vertically supported at one end of the base plate and having a scale;
the supporting rod is slidably supported on the bottom plate, is perpendicular to the bottom plate, can horizontally slide along the bottom plate and is provided with a vertical sliding chute;
the pin shaft is arranged in the vertical sliding groove in a sliding manner;
one end of the measuring rod is slidably supported on the measuring plate and can vertically slide along the measuring plate, and the middle point of the measuring rod is hinged with the pin shaft;
one end of the sliding rod is slidably supported on the measuring plate and can vertically slide along the measuring plate, the other end of the sliding rod is hinged with the pin shaft, and the length of the sliding rod is half of that of the measuring rod;
and the angle scale is fixedly connected with the pin shaft.
Preferably, the measuring plate comprises a main body, and a graduated scale, a first slide rail, a second slide rail and a third slide rail which are vertically arranged on the main body;
the third slide rail is positioned between the first slide rail and the second slide rail and is arranged at intervals with the first slide rail and the second slide rail;
the scale is laminated with first slide rail and is set up.
Preferably, the sliding bar is a "Y" bar comprising:
a straight portion;
one end of the first branch is connected with one end of the straight part, and the other end of the first branch is provided with a first pulley which is in sliding fit with the first sliding rail;
and one end of the second branch is connected with one end of the straight part, the other end of the second branch is provided with a second pulley, and the second pulley is in sliding fit with the second sliding rail.
Preferably, the measuring rod includes:
a rod body;
the third pulley is arranged at one end of the rod body and can be in sliding fit with the third sliding rail;
and the measuring head is arranged at the other end of the rod body.
Preferably, one end of the support rod is provided with a fourth pulley, the bottom plate is provided with a fourth slide rail which is horizontally arranged, and the fourth pulley is in sliding fit with the fourth slide rail;
the fourth slide rail, the third slide rail and the support rod are positioned on the same plane.
Preferably, the method further comprises the following steps:
the first fixing piece is arranged on the third pulley;
the second fixing piece is arranged on the shaft pin;
and the third fixing piece is arranged between the measuring rod and the sliding rod.
Preferably, the apparatus further comprises a moving part rotatably supported at the bottom of the base plate.
Preferably, the moving part is 3-4 universal wheels.
Preferably, the first fixing piece is a pulley brake structure;
the second fixing piece is a bolt and a nut which are matched with each other;
the third mounting is spacing post and spacing groove for mutually supporting, and spacing post setting is on the measuring stick, and the spacing groove setting is in the straight portion of slide bar, and spacing post and spacing groove cooperation are connected, can be with straight portion and measuring stick collineation fixed.
The invention also aims to provide a vehicle trafficability measuring method, which is simple and intuitive and has high accuracy of measuring results based on the vehicle trafficability measuring device provided by the invention.
A vehicle trafficability measuring method uses the vehicle trafficability measuring device, and comprises a minimum ground clearance measurement, an approach angle measurement and a departure angle measurement;
the steps of the minimum ground clearance measurement are:
the device is arranged at the position for measuring the ground clearance of the vehicle, and the third pulley is fixed at the lowest point of the third slide rail,
the measuring head is adjusted, the first pulley, the second pulley and the pin shaft respectively vertically slide along the first slide rail, the second slide rail and the vertical chute, and the fourth pulley horizontally slides along the fourth slide rail until the measuring head is contacted with the lowest part of the bottom of the vehicle;
the pin shaft is fixed, and the corresponding heights of the first pulley and the second pulley pointing to the graduated scale are read, namely the minimum ground clearance;
the approach angle and departure angle measurement steps are:
the device is arranged at the front part or the rear part of the vehicle, the limit post is matched and connected with the limit groove, and the straight parts of the measuring rod and the sliding rod are collinear;
placing the auxiliary baffle at the bottom of the vehicle to ensure that the auxiliary baffle, the wheels and the front lower part or the rear lower part of the vehicle are tangent;
the measuring head is adjusted, the first pulley, the second pulley and the pin shaft respectively vertically slide along the first slide rail, the second slide rail and the vertical chute, and the fourth pulley horizontally slides along the fourth slide rail until the measuring rod is attached to the auxiliary baffle;
and fixing the pin shaft, and reading the included angle between the measuring rod and the supporting rod, namely the approach angle or the departure angle.
The invention has the beneficial effects that:
1. the vehicle trafficability measuring device provided by the invention can directly read the minimum ground clearance, the approach angle and the departure angle of the vehicle by utilizing the geometrical principle and matching the slidable support rod, the measuring rod and the sliding rod, thereby realizing the measurement of trafficability of the vehicle, and having compact structure and low cost.
2. The invention provides a vehicle trafficability measuring method which is simple, visual, strong in operability and high in accuracy of measuring results, is generally suitable for measuring the minimum ground clearance, the approach angle and the departure angle of a vehicle and has comprehensive functions.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle trafficability measuring device provided by the present invention.
Fig. 2 is a schematic structural diagram of a vehicle trafficability measuring device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a vehicle trafficability measuring device according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a vehicle trafficability measuring device according to another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a vehicle trafficability measuring device according to another embodiment of the present invention.
Fig. 6 is a schematic view showing a state where the vehicle trafficability measuring device performs the measurement of the approach angle and the departure angle in one embodiment of the present invention.
FIG. 7 is a schematic diagram of vehicle approach and departure angle measurements using a vehicle trafficability measurement device in accordance with one embodiment of the invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "in" and the like refer to directions or positional relationships based on the directions or positional relationships illustrated in the drawings, which are for convenience of description only, and do not indicate or imply that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, a vehicle trafficability measuring device includes a base plate 100, a measuring plate 200, a support bar 300, a pin 400, a measuring bar 500, a slide bar 600, and an angle scale 700.
Measuring plate 200 vertically supports the one end at bottom plate 100, and scale 214 has, bracing piece 300 slidable support is on bottom plate 100, perpendicular with bottom plate 100, can follow bottom plate 100 horizontal slip, and vertical spout 310 has, round pin axle 400 slidable sets up in vertical spout 310, measuring stick 500 one end slidable support is on measuring plate 200, can follow measuring plate 200 vertical slip, and, the mid point of measuring stick is articulated with round pin axle 400, sliding stick 600 one end slidable support is on measuring plate 200, can follow measuring plate 200 vertical slip, the other end is articulated with round pin axle 400, the length of sliding stick 600 is half of the length of measuring stick 500, the angle scale, it links firmly with round pin axle 400.
During the use, fix the bottom at measuring board 200 with the one end of measuring stick 500, bracing piece 300 is along bottom plate 100 horizontal slip, round pin axle 400 is along vertical spout 310 vertical slip, can change the height of measuring stick 500, because the length of slide bar 600 is half of the length of measuring stick 500, slide bar 600 one end is connected with measuring stick 500 rotation through round pin axle 400 again, can know according to the geometric theory, the height of the measuring stick 500 other end and the height of slide bar 600 one end are equal all the time, through the reading of the directional scale 214 of the reading slide bar 600 other end, can obtain the height of the measuring stick 500 other end apart from bottom plate 100, can be used for measuring the minimum ground clearance of vehicle.
The measuring rod 500 and the sliding rod 600 are fixed in a collinear manner, the supporting rod 300 horizontally slides along the bottom plate 100, the pin shaft 400 vertically slides along the vertical sliding groove 310, the included angle between the measuring rod 500 and the supporting rod 300 can be changed, the included angle between the measuring rod 500 and the supporting rod 300 can be directly read through the angle scale 700, and the included angle can be used for measuring the approaching angle and the departure angle of a vehicle.
The vehicle trafficability measuring device can be used for measuring the minimum ground clearance, the approach angle and the departure angle of the vehicle, is used for measuring trafficability of the vehicle during development or test of the vehicle, is simple to operate, can read data visually, and is high in measuring efficiency.
Specifically, the angle scale 400 is located at one side of the supporting rod 300 and closely attached to the measuring rod 500 and the sliding rod 600, so as to accurately read an included angle between the measuring rod 500 and the supporting rod 300 or the sliding rod 600.
As shown in fig. 2, the measuring plate 200 includes a main body 210, and a first slide rail 211, a second slide rail 212, a third slide rail 213, and a scale 214 vertically disposed on the main body. The third slide rail 213 is located between the first slide rail 211 and the second slide rail 212, and is spaced from the first slide rail 211 and the second slide rail 212, and the scale 214 is attached to the first slide rail 211.
As shown in fig. 3, the slide lever 600 is a "Y" shaped lever including: straight portion 610, first branch 620, and second branch 630. One end of the first branch 620 is connected with one end of the straight portion 610, the other end has a first pulley 621, the first pulley 621 is in sliding fit with the first slide rail 211, one end of the second branch 630 is connected with one end of the straight portion 610, the other end has a second pulley 631, and the second pulley 631 is in sliding fit with the second slide rail 212.
As shown in fig. 4, the measuring rod 500 includes a rod 510, a measuring head 520, and a third pulley 530, the third pulley 530 is disposed at one end of the rod 510 and can be slidably engaged with the third sliding rail 213, and the measuring head 520 is disposed at the other end of the rod 510.
So, measuring stick 500 is located between first branch 620 and second branch 630, not only is favorable to utilizing the overall stability of triangular stability improvement device, still conveniently fixes the straight portion 610 collineation of the rest slide bar 600 of measuring stick 500, reduces measuring error.
Set slide bar 600 to "Y" style of calligraphy pole, first branch 620 and second branch 630 enclose into triangle-shaped with measuring board 200 surface, are favorable to improving the stability of structure, and scale 214 laminates first slide rail 211, is favorable to directly reading the height value of first pulley 621.
As shown in fig. 5, one end of the support rod 300 has a fourth pulley 320, the bottom plate 100 has a horizontally disposed fourth sliding rail 110, the fourth pulley 320 is slidably engaged with the fourth sliding rail 110, and the fourth sliding rail 110, the third sliding rail 213 and the support rod 300 are located on the same plane.
A preferred embodiment further comprises a first fixing member provided on the third pulley 631, a second fixing member provided on the shaft pin 400, and a third fixing member provided between the measuring rod 500 and the sliding rod 600.
A preferred embodiment further includes a bottom moving part 120 rotatably supported on the base plate 100.
A preferred embodiment is one in which the moving part is 3-4 universal wheels.
In a preferred embodiment, the first fixing member is a pulley brake structure; the second fixing piece is a bolt and a nut which are matched with each other; the third mounting is spacing post and spacing groove for mutually supporting, and spacing post setting is on measuring stick 500, and the spacing groove setting is on the straight portion 610 of slide bar 600, and spacing post and spacing groove cooperation are connected, can be with straight portion and measuring stick collineation fixed.
A vehicle trafficability measuring method uses the vehicle trafficability measuring device, and comprises a minimum ground clearance measurement, an approach angle measurement and a departure angle measurement;
the steps of the minimum ground clearance measurement are:
the device is arranged at the position for measuring the ground clearance of the vehicle, and the third pulley is fixed at the lowest point of the third slide rail,
the measuring head is adjusted, the first pulley, the second pulley and the pin shaft respectively vertically slide along the first slide rail, the second slide rail and the vertical chute, and the fourth pulley horizontally slides along the fourth slide rail until the measuring head is contacted with the lowest part of the bottom of the vehicle;
the pin shaft is fixed, and the corresponding heights of the first pulley and the second pulley pointing to the graduated scale are read, namely the minimum ground clearance;
the approach angle and departure angle measurement steps are:
the device is arranged at the front part or the rear part of the vehicle, the limit post is matched and connected with the limit groove, and the straight parts of the measuring rod and the sliding rod are collinear;
placing the auxiliary baffle at the bottom of the vehicle to ensure that the auxiliary baffle, the wheels and the front lower part or the rear lower part of the vehicle are tangent;
the measuring head is adjusted, the first pulley, the second pulley and the pin shaft respectively vertically slide along the first slide rail, the second slide rail and the vertical chute, and the fourth pulley horizontally slides along the fourth slide rail until the measuring rod is attached to the auxiliary baffle;
and fixing the pin shaft, and reading the included angle between the measuring rod and the supporting rod, namely the approach angle or the departure angle.
As shown in fig. 1-5, the vehicle trafficability measuring device provided by the invention is used to show the state of measuring the minimum ground clearance of a vehicle, wherein the vehicle ground clearance measuring position is generally the position of the lowest part at the bottom of the vehicle or the lowest position of the chassis of the vehicle.
As shown in fig. 6-7, the schematic diagram of the approach angle and the departure angle of the vehicle is measured by using the vehicle trafficability measuring device provided by the present invention, when measuring, the vehicle trafficability measuring device is placed in front of or behind the vehicle, an auxiliary barrier a is placed between the front lower part of the vehicle and the front tire, an auxiliary barrier B is placed between the rear lower part of the vehicle and the rear tire, the auxiliary barrier a (B), the wheel and the front (rear) lower part of the vehicle are tangent, and the measuring device is adjusted until the measuring rod is attached to the auxiliary barrier, so that the approach angle or the departure angle of the vehicle can be read.
The measuring method provided by the invention is simple and visual, and the accuracy of the measuring result is high.
The above descriptions are only examples of the present invention, and common general knowledge of known specific structures, characteristics, and the like in the schemes is not described herein too much, and it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the invention, several changes and modifications can be made, which should also be regarded as the protection scope of the invention, and these will not affect the effect of the invention and the practicality of the patent.
Claims (10)
1. A vehicle trafficability measurement device, comprising:
a base plate;
a measuring plate vertically supported at one end of the base plate and having a scale;
the supporting rod is slidably supported on the bottom plate, is perpendicular to the bottom plate, can horizontally slide along the bottom plate and is provided with a vertical sliding groove;
the pin shaft is arranged in the vertical sliding groove in a sliding manner;
one end of the measuring rod is slidably supported on the measuring plate and can vertically slide along the measuring plate, and the middle point of the measuring rod is hinged with the pin shaft;
one end of the sliding rod is slidably supported on the measuring plate and can vertically slide along the measuring plate, the other end of the sliding rod is hinged with the pin shaft, and the length of the sliding rod is half of that of the measuring rod;
and the angle scale is fixedly connected with the pin shaft.
2. The vehicle trafficability measuring device of claim 1, wherein the measuring plate includes a main body and a scale, a first rail, a second rail and a third rail vertically disposed on the main body;
the third slide rail is positioned between the first slide rail and the second slide rail and is arranged at intervals with the first slide rail and the second slide rail;
the graduated scale with the laminating of first slide rail sets up.
3. The vehicle trafficability measuring device of claim 2, wherein the slide bar is a "Y" bar comprising:
a straight portion;
one end of the first branch is connected with one end of the straight part, the other end of the first branch is provided with a first pulley, and the first pulley is in sliding fit with the first sliding rail;
and one end of the second branch is connected with one end of the straight part, the other end of the second branch is provided with a second pulley, and the second pulley is in sliding fit with the second sliding rail.
4. The vehicle trafficability measuring device of claim 3, wherein the measuring rod comprises:
a rod body;
the third pulley is arranged at one end of the rod body and can be in sliding fit with the third sliding rail;
and the measuring head is arranged at the other end of the rod body.
5. The vehicle trafficability measuring device of claim 4, wherein the support bar has a fourth pulley at one end thereof, the base plate has a horizontally disposed fourth rail, and the fourth pulley is slidably engaged with the fourth rail;
the fourth slide rail, the third slide rail and the support rod are located on the same plane.
6. The vehicle trafficability measuring device of claim 5, further comprising:
the first fixing piece is arranged on the third pulley;
a second fixing member provided on the shaft pin;
a third fixing member disposed between the measuring rod and the sliding rod.
7. The vehicle trafficability measuring device of claim 6, further comprising a moving portion rotatably supported at a bottom of the floor.
8. The vehicle trafficability measuring device of claim 7, wherein the moving portion is 3-4 universal wheels.
9. The vehicle trafficability measuring device of claim 8, wherein the first fixing member is a sheave brake structure;
the second fixing piece is a bolt and a nut which are matched with each other;
the third mounting is spacing post and spacing groove of mutually supporting, spacing post sets up on the measuring stick, the spacing groove sets up the straight portion of slide bar, spacing post with the spacing groove cooperation is connected, can with straight portion with the measuring stick collineation is fixed.
10. A vehicle trafficability measurement method using the vehicle trafficability measurement device according to claims 1 to 9, comprising minimum ground clearance measurement, approach angle and departure angle measurement;
the step of the minimum ground clearance measurement is as follows:
the device is arranged at the position for measuring the ground clearance of the vehicle, and the third pulley is fixed at the lowest point of the third slide rail,
the measuring head is adjusted, the first pulley, the second pulley and the pin shaft respectively vertically slide along the first slide rail, the second slide rail and the vertical chute, and the fourth pulley horizontally slides along the fourth slide rail until the measuring head is contacted with the lowest part of the bottom of the vehicle;
the fixed pin shaft is used for reading the corresponding heights of the first pulley and the second pulley pointing to the graduated scale, and the heights are the minimum ground clearance;
the approach angle and departure angle measurement steps are:
the device is arranged at the front part or the rear part of the vehicle, the limit post is matched and connected with the limit groove, and the straight parts of the measuring rod and the sliding rod are collinear;
placing an auxiliary baffle at the bottom of the vehicle, and enabling the auxiliary baffle, wheels and the front lower part or the rear lower part of the vehicle to be tangent;
the measuring head is adjusted, the first pulley, the second pulley and the pin shaft respectively vertically slide along the first slide rail, the second slide rail and the vertical chute, and the fourth pulley horizontally slides along the fourth slide rail until the measuring rod is attached to the auxiliary baffle;
and the pin shaft is fixed, and the included angle between the measuring rod and the supporting rod is read, namely the approach angle or the departure angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157596.2A CN114061969B (en) | 2021-09-30 | 2021-09-30 | Vehicle trafficability measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157596.2A CN114061969B (en) | 2021-09-30 | 2021-09-30 | Vehicle trafficability measuring device and method |
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| CN114061969A true CN114061969A (en) | 2022-02-18 |
| CN114061969B CN114061969B (en) | 2023-06-20 |
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| Publication number | Publication date |
|---|---|
| CN114061969B (en) | 2023-06-20 |
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