CN213658265U - Whole car trafficability characteristic detection device - Google Patents
Whole car trafficability characteristic detection device Download PDFInfo
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- CN213658265U CN213658265U CN202023091730.7U CN202023091730U CN213658265U CN 213658265 U CN213658265 U CN 213658265U CN 202023091730 U CN202023091730 U CN 202023091730U CN 213658265 U CN213658265 U CN 213658265U
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Abstract
The utility model discloses a whole vehicle trafficability characteristic detection device, including light curtain profile scanning module and dynamic ranging module, light curtain profile scanning module includes left side detection light curtain module and right side detection light curtain module, and left side detection light curtain module and right side detection light curtain module set up the transmission correlation laser line, and the correlation laser line forms the laser plane; the dynamic distance measuring module is used for measuring the running displacement of the vehicle when the vehicle passes through the laser plane. The utility model discloses a whole car trafficability characteristic detection device adopts the components of a whole that can function independently design, and light and handy portable is suitable for different environment, and detection speed is fast, the detection data is accuracy directly perceived.
Description
Technical Field
The utility model relates to an automobile inspection field especially relates to a whole car trafficability characteristic detection device.
Background
The passing parameters of the whole automobile are important components of the overall dimension of the whole automobile and are important contents of running safety detection of the whole automobile. How to carry out accurate whole car trafficability parameter detection is the prerequisite of guaranteeing whole car safety. The overall vehicle trafficability parameters are typically examined with reference to GB/T3730.3 nomenclature for cars and trailers and their defined vehicle dimensions, and GB 1589 2016 dimensions, axle loads and mass limits for cars, trailers and trains.
At present, the passing detection of the whole vehicle by the domestic detection mechanism is generally carried out by means of a steel ring ruler, a heavy hammer marking, a horizontal inclinometer, a passing test auxiliary plate and the like, and the detection is carried out by the means, so that the speed is low, the efficiency is low, and the introduced task error is large.
Disclosure of Invention
In view of the above-mentioned defect of prior art, the utility model aims to solve is that the detection speed to current whole car trafficability characteristic check out test set is slow, inefficiency and the big scheduling problem of error, provides a whole car trafficability characteristic detection device, adopts the components of a whole that can function independently design, and light and handy portable is suitable for different environment, and detection speed is fast, detection data accuracy directly perceived.
In order to achieve the above object, the utility model provides a complete vehicle trafficability characteristic detection device, which comprises a light curtain profile scanning module and a dynamic ranging module, wherein the light curtain profile scanning module comprises a left side detection light curtain module and a right side detection light curtain module, the left side detection light curtain module and the right side detection light curtain module are arranged to emit laser beams which form a laser plane;
the dynamic distance measuring module is used for measuring the running displacement of the vehicle when the vehicle passes through the laser plane.
Further, the left side detection light curtain module and the right side detection light curtain module are set to be the same in structure.
Further, the left side detects the light curtain module including detecting the light curtain, detecting the light curtain mount, detecting the rotatory guide bar of light curtain, rotatory guide post and installation base, detects the light curtain and fixes on detecting the light curtain mount, detects the light curtain mount and fixes on rotatory guide post through rotatory guide bar, and rotatory guide post is fixed on the installation base.
Further, rotatory guide post still includes translation guider, and translation guider includes translation guide bar, translation guide bar fixing base, translation fine setting bolt, and the translation guide bar is fixed on translation guide bar fixing base, moves about through rotatory translation fine setting bolt messenger detection light curtain is fixed on the translation guide bar.
Further, the installation base further comprises a base horizontal adjusting bolt, and the base horizontal adjusting bolt is used for adjusting the horizontal angle of the installation base.
Further, the light curtain profile scanning module further comprises a laser alignment module, wherein the left detection light curtain module comprises a laser emitting end of the laser alignment module, and the right detection light curtain module comprises a laser receiving end of the laser alignment module.
Further, the laser alignment module includes a coarse alignment laser and a fine alignment laser, the fine alignment laser being disposed at a side of the coarse alignment laser.
Further, the dynamic ranging module comprises a vehicle longitudinal position marking instrument, a marking instrument module supporting rod, a laser ranging instrument mounting seat and a ranging horizontal base, the vehicle longitudinal position marking instrument is mounted on the marking instrument module supporting rod, the marking instrument module supporting rod is fixed on the ranging horizontal base, the laser ranging instrument is mounted on the laser ranging instrument mounting seat, and the laser ranging instrument is mounted on the ranging horizontal base.
Further, the dynamic ranging module further comprises an adjusting bolt, and the adjusting bolt is arranged on the ranging horizontal base and used for adjusting the horizontal position and height of the ranging horizontal base.
Further, the dynamic ranging module further comprises a double-shaft horizontal inclinometer, and the double-shaft horizontal inclinometer is installed on the ranging horizontal base.
Technical effects
The utility model discloses a whole car trafficability characteristic detection device adopts the components of a whole that can function independently design, novel structure pleasing to the eye, loading and unloading convenience, portable.
The device adopts a combined detection scheme combining a high-precision detection light curtain and a high-precision high-frequency laser range finder, does not occupy the space, and is convenient for quick detection in any open place; the detection of the approach angle, the departure angle and the passing angle of the vehicle can be rapidly realized. And the detection process adopts a manual position adjustment and automatic measurement mode, software contour point cloud automatic identification and calculation are carried out, and data presentation is visual and accurate.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic view of a device for detecting the passing ability of a whole vehicle according to a preferred embodiment of the present invention;
fig. 2 is a front view of a light curtain profile scanning module of the entire vehicle trafficability characteristic detecting device according to a preferred embodiment of the present invention;
fig. 3 is a side view of a light curtain profile scanning module of a device for detecting vehicle passing performance according to a preferred embodiment of the present invention;
fig. 4 is an enlarged schematic view of a laser alignment module of a light curtain profile scanning module of a complete vehicle passing performance detection device according to a preferred embodiment of the present invention;
fig. 5 is a schematic diagram of a dynamic distance measuring module of the vehicle passing performance detecting device according to a preferred embodiment of the present invention;
fig. 6 is a schematic diagram of a vehicle longitudinal position line marker of a dynamic distance measuring module of a complete vehicle trafficability characteristic detecting device according to a preferred embodiment of the present invention.
Detailed Description
As shown in fig. 1, the utility model provides a complete vehicle trafficability characteristic detection device, which comprises a light curtain profile scanning module 2 and a dynamic ranging module 1, wherein the light curtain profile scanning module 2 comprises a left side detection light curtain module and a right side detection light curtain module, the left side detection light curtain module and the right side detection light curtain module are provided with emission laser rays, and the emission laser rays form a laser plane 3;
the dynamic distance measuring module 1 is used for measuring the running displacement of the vehicle when the vehicle passes through the laser plane 3.
The whole vehicle trafficability characteristic detection device adopts a split design and a field combined use mode, and is light and portable.
Wherein, the left side detects light curtain module and the right side and detects the light curtain module and set up to the same structure. The structure and connection relationship of the left side detection light curtain module and the right side detection light curtain module will be described below by taking the left side detection light curtain module as an example.
As shown in fig. 2 and 3, the left detection light curtain module 2 includes a detection light curtain 2-1, a detection light curtain fixing frame 2-2, a detection light curtain rotary guide rod 2-3, a rotary guide post 2-4 and an installation base, the detection light curtain 2-1 is fixed on the detection light curtain fixing frame 2-2, the detection light curtain fixing frame 2-2 is fixed on the rotary guide post 2-4 through the rotary guide rod 2-3, and the rotary guide post 2-4 is fixed on the installation base.
In this implementation, as shown in fig. 2, the rotary guide column further includes a translation guide device, the translation guide device includes a translation guide rod 2-5, a translation guide rod fixing seat 2-6, and a translation fine-tuning bolt 2-7, the translation guide rod 2-5 is fixed on the translation guide rod fixing seat 2-6, and the detection light curtain is fixed on the translation guide rod to move left and right by rotating the translation fine-tuning bolt 2-7.
The mounting base further comprises base horizontal adjusting bolts 2-8, and the base horizontal adjusting bolts 2-8 are used for adjusting the horizontal angle of the mounting base. Due to the difference of the field environment, in order to adapt to different detection fields, all the detection modules are provided with base level or height adjusting mechanisms, so that the position can be adjusted when the detection device is convenient to use.
The light curtain profile scanning module further comprises laser alignment modules 2-4, wherein the left side detection light curtain module comprises a laser emitting end of the laser alignment module, and the right side detection light curtain module comprises a laser receiving end of the laser alignment module. As shown in fig. 4, the laser alignment module includes a coarse alignment laser 2-41 and a fine alignment laser 2-42, the fine alignment laser being disposed on one side of the coarse alignment laser.
As shown in FIG. 5, the dynamic distance measuring module 5 comprises a vehicle longitudinal position line marker 1-1, a line marker module supporting rod 1-2, a laser distance measuring instrument 1-3 mounting seat and a distance measuring horizontal base 1-4, wherein the vehicle longitudinal position line marker 1-1 is installed on the line marker module supporting rod 1-2, the line marker module supporting rod 1-2 is fixed on the distance measuring horizontal base 1-5, the laser distance measuring instrument 1-3 is installed on the laser distance measuring instrument mounting seat 1-4, and the laser distance measuring instrument 1-3 is installed on the distance measuring horizontal base 1-4. As shown in figure 6, a vehicle longitudinal position striping machine 1-1 is arranged on a striping machine fixing seat 1-11, the striping machine fixing seat 1-11 is arranged on a rotary base 1-12, the rotary base 1-12 is fixed on a striping machine module supporting rod 1-2, a striping machine rotary limiting block 1-13 can be moved by rotating a striping machine rotary fine adjustment bolt 1-14, so that the striping machine fixing seat is driven to rotate, and the mechanism is used for adjusting the angle of a striping machine projection light. The dynamic ranging module is provided with a vehicle longitudinal position striping instrument 1-1, a laser position marking line is formed at the front gear position of the vehicle by a projected longitudinal laser line, the position of the marking line needs to be kept basically unchanged in the vehicle advancing process, and a driver can conveniently control the advancing direction of the vehicle. And the dynamic ranging module is provided with a high-precision laser range finder, and a laser measuring point of the high-precision laser range finder can be arranged on a vehicle license plate or other positions vertical to the longitudinal plane and the horizontal plane of the vehicle to detect displacement distance information in the driving process of the vehicle in real time.
In this embodiment, the dynamic ranging module further comprises adjusting bolts 1-7, and the adjusting bolts 1-7 are arranged on the ranging horizontal base and used for adjusting the horizontal position and height of the ranging horizontal base. Similarly, the dynamic ranging module is provided with an adjusting bolt, so that the dynamic ranging module is suitable for different test environments.
The dynamic distance measuring module further comprises a double-shaft horizontal inclinometer 1-8, and the double-shaft horizontal inclinometer 1-8 is installed on the distance measuring horizontal base. The biaxial horizontal inclinometer monitors the horizontal angle of the ranging horizontal base in two directions.
The distance is described below the utility model discloses a whole car trafficability characteristic testing arrangement's realization process:
the light curtain profile scanning module comprises a left side detection light curtain module and a right side detection light curtain module which are high-precision detection light curtains, the right side detection light curtain module and the left side detection light curtain module form a detection light curtain profile scanning module when left and right laser is aligned, and the detection light curtain profile scanning module is used for dynamically forming a cross section profile of a vehicle and a plane where the detection light curtain is located in the forward straight line driving process of the vehicle. The vehicle direction of travel is located between the left and right detection light curtains, because there is intensive correlation laser line on the detection light curtain, partial correlation laser line is blocked by the automobile body when the vehicle passes through the laser plane that detection light curtain formed, and computer software passes through Ethernet/IP agreement detection light curtain communication, gathers the on-off information to the correlation laser line on the detection light curtain, and the laser line switches on and shows that the point is effective, and the laser line disconnection shows that the point is invalid. And combining the heights of the laser lines from the ground to obtain point cloud height coordinate information z of the vehicle side profile effective laser points at the cross section where the laser lines are located, wherein the computer software is communicated with the laser range finder through Ethernet/IP to collect displacement data x of the current position of the vehicle detected by the laser range finder, combining the data of x and z to obtain a profile two-dimensional data point cloud set (x and z), and performing profile analysis on the obtained point cloud data through the computer software to obtain information such as the position, the lowest point from the ground and the like, thereby calculating the trafficability parameter value of the vehicle.
In order to achieve the installation and alignment of the left detection light curtain and the right detection light curtain during field installation, an auxiliary laser group for alignment is arranged above the detection light curtain, a coarse adjustment group and a fine adjustment group are respectively arranged, the displacement and the angle of the translation fine adjustment bolt and the rotary guide column mechanism are adjusted through the installation base, the pre-alignment of the left detection light curtain and the right detection light curtain is preliminarily achieved, then the same operation is carried out again, all laser points on the detection light curtain are all in alignment communication, and at the moment, the installation of the field detection light curtain is completed.
According to the needs, the detection light curtain fixing frame is installed quickly by inserting the detection light curtain rotary guide rod into the rotary guide column, and the structure is installed and detached quickly on site.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The device for detecting the trafficability of the whole vehicle is characterized by comprising a light curtain profile scanning module and a dynamic ranging module, wherein the light curtain profile scanning module comprises a left side detection light curtain module and a right side detection light curtain module, the left side detection light curtain module and the right side detection light curtain module are arranged to emit laser correlation rays, and the laser correlation rays form a laser plane;
and the dynamic distance measuring module is used for measuring the running displacement of the vehicle when the vehicle passes through the laser plane.
2. The vehicle trafficability characteristic detecting device of claim 1, wherein the left side detecting light curtain module and the right side detecting light curtain module are configured in the same structure.
3. The vehicle passing performance detection device of claim 2, wherein the left detection light curtain module comprises a detection light curtain, a detection light curtain fixing frame, a detection light curtain rotary guide rod, a rotary guide post and a mounting base, the detection light curtain is fixed on the detection light curtain fixing frame, the detection light curtain fixing frame is fixed on the rotary guide post through the rotary guide rod, and the rotary guide post is fixed on the mounting base.
4. The vehicle trafficability characteristic detection device of claim 3, wherein the rotation guide post further comprises a translation guide device, the translation guide device comprises a translation guide rod, a translation guide rod fixing seat and a translation fine adjustment bolt, the translation guide rod is fixed on the translation guide rod fixing seat, and the detection light curtain is fixed on the translation guide rod in a left-right movement mode through the rotation translation fine adjustment bolt.
5. The vehicle trafficability characteristic detection device of claim 3, wherein the mounting base further comprises a base leveling bolt for adjusting a leveling angle of the mounting base.
6. The vehicle trafficability characteristic detecting device of claim 1, wherein the light curtain profile scanning module further comprises a laser alignment module, wherein the left side detection light curtain module comprises a laser emitting end of the laser alignment module, and the right side detection light curtain module comprises a laser receiving end of the laser alignment module.
7. The vehicle trafficability characteristic of claim 6, wherein the laser alignment module comprises a coarse alignment laser and a fine alignment laser, the fine alignment laser being disposed on a side of the coarse alignment laser.
8. The vehicle trafficability characteristic detection device of claim 1, wherein the dynamic ranging module comprises a vehicle longitudinal position striper, a striper module support rod, a laser range finder mounting seat and a ranging horizontal base, the vehicle longitudinal position striper is mounted on the striper module support rod, the striper module support rod is fixed on the ranging horizontal base, the laser range finder is mounted on the laser range finder mounting seat, and the laser range finder is mounted on the ranging horizontal base.
9. The vehicle trafficability characteristic detection device of claim 8, wherein the dynamic ranging module further comprises an adjusting bolt, and the adjusting bolt is disposed on the ranging horizontal base and used for adjusting the horizontal position and height of the ranging horizontal base.
10. The vehicle trafficability characteristic detection device of claim 8, wherein the dynamic ranging module further comprises a biaxial horizontal inclinometer, the biaxial horizontal inclinometer being mounted on the ranging horizontal base.
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| CN202023091730.7U CN213658265U (en) | 2020-12-21 | 2020-12-21 | Whole car trafficability characteristic detection device |
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| CN202023091730.7U CN213658265U (en) | 2020-12-21 | 2020-12-21 | Whole car trafficability characteristic detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706503A (en) * | 2021-08-26 | 2021-11-26 | 东风柳州汽车有限公司 | Whole vehicle point cloud image analysis method, device, equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706503A (en) * | 2021-08-26 | 2021-11-26 | 东风柳州汽车有限公司 | Whole vehicle point cloud image analysis method, device, equipment and storage medium |
| CN113706503B (en) * | 2021-08-26 | 2024-01-30 | 东风柳州汽车有限公司 | Whole vehicle point cloud image analysis method, device, equipment and storage medium |
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