CN205209441U - Axle for vehicle is apart from automatic measuring device - Google Patents
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- CN205209441U CN205209441U CN201521026515.5U CN201521026515U CN205209441U CN 205209441 U CN205209441 U CN 205209441U CN 201521026515 U CN201521026515 U CN 201521026515U CN 205209441 U CN205209441 U CN 205209441U
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Abstract
本实用新型公开了一种车辆轴距自动测量装置，包括工业计算机和激光测距扫描仪，激光测距扫描仪安装在测量平台或地面上，激光测距扫描仪与被测车辆的车轮的距离为0.3-9m，激光测距扫描仪距离地面的高度为5-30cm，激光测距扫描仪的激光扫描面与测量平台或地面平行，同时激光扫描面与被测车辆的行驶方向垂直，被测车辆低速进入轴距测量区域，激光测距扫描仪通过返回180°范围内信号的数据变化，判断激光测距扫描仪在被测车辆的两轴之间，利用测量数据通过坐标变换实现车辆轴距的测量。本实用新型将被测车辆各个轴的轴距在同一时间段内测量完成，极大提高了检测效率、降低了人为操作误差，分辨力为1mm，检测误差<1%。
The utility model discloses an automatic wheelbase measuring device for a vehicle, which comprises an industrial computer and a laser ranging scanner. The laser ranging scanner is installed on a measuring platform or the ground. The height of the laser ranging scanner from the ground is 5-30cm. The laser scanning surface of the laser ranging scanner is parallel to the measurement platform or the ground. At the same time, the laser scanning surface is perpendicular to the driving direction of the measured vehicle. When the vehicle enters the wheelbase measurement area at low speed, the laser distance measuring scanner returns the data change of the signal within 180° to judge that the laser distance measuring scanner is between the two axes of the vehicle under test, and uses the measurement data to realize the vehicle wheelbase through coordinate transformation. Measurement. The utility model completes the measurement of the wheelbase of each axle of the vehicle under test in the same time period, which greatly improves the detection efficiency and reduces the error of human operation. The resolution is 1mm and the detection error is less than 1%.
Description
技术领域technical field
本实用新型涉及车辆测量技术领域，具体是一种车辆轴距自动测量装置。The utility model relates to the technical field of vehicle measurement, in particular to an automatic vehicle wheelbase measurement device.
背景技术Background technique
依据2015年3月1日实施的国家标准GB21861-2014《机动车安全技术检验项目和方法》，要求对车辆外廓尺寸进行自动测量，在标准中明确规定：到2017年3月1日，重中型货车、专项作业车、挂车使用外廓尺寸自动测量装置。对载货汽车和挂车需测量车辆轴距，标准明确规定：用长度测量工具测量；有条件时，可使用自动测量装置。According to the national standard GB21861-2014 "Motor Vehicle Safety Technical Inspection Items and Methods" implemented on March 1, 2015, automatic measurement of vehicle outline dimensions is required. It is clearly stipulated in the standard: By March 1, 2017, heavy Medium-sized trucks, special operation vehicles, and trailers use automatic measuring devices for external dimensions. For trucks and trailers that need to measure the vehicle wheelbase, the standard clearly stipulates: use length measuring tools to measure; when conditions permit, use automatic measuring devices.
目前，机动车检测部门多采用人工测量方法，利用铅锤和卷尺等工具测量车辆轴距，需要两人以上协同完成，费时费力且检测精度较低。At present, the motor vehicle inspection department mostly uses manual measurement methods, using tools such as plumb bobs and tape measures to measure the vehicle wheelbase, which requires more than two people to work together, which is time-consuming and laborious, and the detection accuracy is low.
发明内容Contents of the invention
本实用新型的目的在于提供一种检测效率高、人为操作误差低的车辆轴距自动测量装置，以解决上述背景技术中提出的问题。The purpose of this utility model is to provide an automatic vehicle wheelbase measurement device with high detection efficiency and low human error, so as to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案：In order to achieve the above object, the utility model provides the following technical solutions:
一种车辆轴距自动测量装置，包括工业计算机和激光测距扫描仪，所述激光测距扫描仪通过通信设备连接所述工业计算机，所述激光测距扫描仪安装在测量平台或地面上。An automatic wheelbase measurement device for a vehicle comprises an industrial computer and a laser ranging scanner, the laser ranging scanner is connected to the industrial computer through a communication device, and the laser ranging scanner is installed on a measuring platform or the ground.
作为本实用新型进一步的方案：所述激光测距扫描仪与被测车辆的车轮的距离为0.3-9m，激光测距扫描仪距离地面的高度为5-30cm。As a further solution of the present invention: the distance between the laser ranging scanner and the wheel of the vehicle under test is 0.3-9m, and the height of the laser ranging scanner from the ground is 5-30cm.
作为本实用新型再进一步的方案：所述激光测距扫描仪的激光扫描面与测量平台或地面平行，同时所述激光扫描面与被测车辆的行驶方向垂直。As a further solution of the present invention: the laser scanning surface of the laser ranging scanner is parallel to the measurement platform or the ground, and at the same time, the laser scanning surface is perpendicular to the driving direction of the measured vehicle.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
本实用新型将被测车辆各个轴的轴距在同一时间段内测量完成，极大提高了检测效率、降低了人为操作误差，分辨力为1mm，检测误差<1%。The utility model completes the measurement of the wheelbase of each axle of the vehicle under test in the same time period, which greatly improves the detection efficiency and reduces the error of human operation. The resolution is 1mm and the detection error is less than 1%.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图2为本实用新型对车辆进行检测的示意图。Fig. 2 is a schematic diagram of the detection of the vehicle by the utility model.
具体实施方式detailed description
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.
请参阅图1-2，一种车辆轴距自动测量装置，包括工业计算机和激光测距扫描仪3，所述激光测距扫描仪3通过通信设备连接所述工业计算机，通信设备采用Ethernet接口，方便系统集成和高速通信，所述激光测距扫描仪3安装在测量平台或地面1上。Please refer to Fig. 1-2, a kind of vehicle wheelbase automatic measuring device, comprises industrial computer and laser ranging scanner 3, described laser ranging scanner 3 connects described industrial computer through communication equipment, and communication equipment adopts Ethernet interface, To facilitate system integration and high-speed communication, the laser ranging scanner 3 is installed on the measurement platform or the ground 1 .
所述激光测距扫描仪3与被测车辆2的车轮的距离为0.3-9m，激光测距扫描仪3距离地面的高度为5-30cm，所述激光测距扫描仪3的激光扫描面4与测量平台或地面1平行，同时所述激光扫描面4与被测车辆2的行驶方向垂直，确保高速扫描的激光束扫描到车轮并返回有效数据，以实现快速的不停车测量。The distance between the laser ranging scanner 3 and the wheel of the measured vehicle 2 is 0.3-9m, and the height of the laser ranging scanner 3 from the ground is 5-30cm. The laser scanning surface 4 of the laser ranging scanner 3 Parallel to the measurement platform or the ground 1, while the laser scanning surface 4 is perpendicular to the driving direction of the measured vehicle 2, to ensure that the high-speed scanning laser beam scans the wheel and returns valid data to achieve fast non-stop measurement.
所述车辆轴距自动测量装置在使用时，被测车辆2驶入测量平台或地面1后，激光测距扫描仪3一直处于开机状态并获取激光到被测车辆2的车轮的距离数据，激光测距扫描仪3的扫描范围180°，每隔0.25°返回一组距离数据，根据激光测距扫描仪3在=90°时的距离值，判断激光测距扫描仪3位于被测车辆2的两个轴之间；当激光扫描到车轮5时，垂直车辆行驶方向的距离基本不变，考虑到车轮形状及测试误差，根据设定门槛限值，结合平行车辆行驶方向的距离，可计算车轮5与激光扫描面4相交线段的长度，进而取线段中点为一个车轮的中心，此时车轮到激光测距扫描仪3沿轴距方向的距离为，记录此值为L1；当激光扫描到车轮2时，垂直车辆行驶方向的距离基本不变，根据设定门槛限值，结合平行车辆行驶方向的距离，可计算车轮6与激光扫描面4的相交线段的长度，进而取线段中点为一个车轮的中心，此时车轮到激光测距扫描仪3沿轴距方向的距离为，记录此值为L2；计算机记录下距离L1和L2后，相加计算得到车辆轴距L=L1+L2。对于多轴车辆，依次判断激光测距扫描仪3位于被测车辆2的两个轴之间时，计算车辆相邻两轴轴距，轴距计算测量时间<2s；即被测车辆2低速进入轴距测量区域，激光测距扫描仪3通过返回180°范围内信号的数据变化，判断激光测距扫描仪3在被测车辆2的两轴之间，利用测量数据通过坐标变换实现车辆轴距的测量。When the vehicle wheelbase automatic measuring device is in use, after the vehicle under test 2 drives into the measurement platform or the ground 1, the laser ranging scanner 3 is always in the power-on state and obtains the distance data from the laser to the wheel of the vehicle under test 2, and the laser The scanning range of the ranging scanner 3 is 180°, and a set of distance data is returned every 0.25°, according to the laser ranging scanner 3 in = 90°, it is judged that the laser ranging scanner 3 is located between the two axles of the measured vehicle 2; Basically unchanged, considering the shape of the wheel and the test error, according to Set the threshold limit, combined with the distance in the direction of travel of the parallel vehicle , the length of the intersecting line segment between the wheel 5 and the laser scanning surface 4 can be calculated, and then the midpoint of the line segment is taken as the center of a wheel. At this time, the distance from the wheel to the laser ranging scanner 3 along the wheelbase direction is , record this value as L 1 ; when the laser scans to wheel 2, the distance perpendicular to the direction of vehicle travel basically unchanged, according to Set the threshold limit, combined with the distance in the direction of travel of the parallel vehicle , the length of the intersecting line segment between the wheel 6 and the laser scanning surface 4 can be calculated, and then the midpoint of the line segment is taken as the center of a wheel. At this time, the distance from the wheel to the laser ranging scanner 3 along the wheelbase direction is , record this value as L 2 ; after the computer records the distances L 1 and L 2 , add them up to get the vehicle wheelbase L=L 1 +L 2 . For a multi-axle vehicle, when the laser ranging scanner 3 is judged to be located between the two axles of the vehicle under test 2 in sequence, the wheelbase of two adjacent axles of the vehicle is calculated, and the wheelbase calculation and measurement time is <2s; that is, the vehicle under test 2 enters the In the wheelbase measurement area, the laser distance measuring scanner 3 judges that the laser distance measuring scanner 3 is between the two axes of the measured vehicle 2 by returning the data change of the signal within the 180° range, and uses the measurement data to realize the vehicle wheelbase through coordinate transformation Measurement.
本实用新型将被测车辆2各个轴的轴距在同一时间段内测量完成，极大提高了检测效率、降低了人为操作误差，分辨力为1mm，检测误差<1%。The utility model completes the measurement of the wheelbase of each axle of the tested vehicle 2 within the same time period, which greatly improves the detection efficiency and reduces the human operation error. The resolution is 1mm and the detection error is less than 1%.
上面对本专利的较佳实施方式作了详细说明，但是本专利并不限于上述实施方式，在本领域的普通技术人员所具备的知识范围内，还可以在不脱离本专利宗旨的前提下作出各种变化。The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation. Within the scope of knowledge of those of ordinary skill in the art, various implementations can be made without departing from the purpose of this patent. kind of change.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018072410A1 (en) * | 2016-10-20 | 2018-04-26 | 成都佳诚弘毅科技股份有限公司 | Measurement device for traction pin of semi-trailer and method for measuring traction pin using same |
| CN108106534A (en) * | 2017-12-21 | 2018-06-01 | 武汉万集信息技术有限公司 | A kind of device and method of drive shaft identification |
| CN111896968A (en) * | 2020-07-30 | 2020-11-06 | 合肥市极点科技有限公司 | Measuring device for measuring motor vehicle wheel base based on laser range finder and infrared photoelectric measurement |
| CN111896967A (en) * | 2020-07-30 | 2020-11-06 | 合肥市极点科技有限公司 | Measuring device for measuring motor vehicle wheel base based on laser range finder |
| CN112031499A (en) * | 2020-09-11 | 2020-12-04 | 江苏小白兔智造科技有限公司 | Two-prong parking robot for forking from side surface and parking method |
| CN112079293A (en) * | 2020-09-11 | 2020-12-15 | 江苏小白兔智造科技有限公司 | Inner fork vehicle carrying robot capable of moving fork teeth simultaneously |
| CN112096153A (en) * | 2020-09-11 | 2020-12-18 | 江苏小白兔智造科技有限公司 | Two-prong parking robot for forklift from outside of side surface and parking method |
| CN113126109A (en) * | 2021-04-14 | 2021-07-16 | 浙江工业大学 | Vehicle wheel base measuring system and method based on motor and laser radar |
| CN113739713A (en) * | 2020-05-29 | 2021-12-03 | 同方威视技术股份有限公司 | Method for measuring vehicle wheel base and system for measuring vehicle wheel base |
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2015
- 2015-12-13 CN CN201521026515.5U patent/CN205209441U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10539409B2 (en) | 2016-10-20 | 2020-01-21 | Chengdu Progress Technology Co., Ltd. | Measurement device for traction pin of semi-trailer and method for measuring traction pin using same |
| WO2018072410A1 (en) * | 2016-10-20 | 2018-04-26 | 成都佳诚弘毅科技股份有限公司 | Measurement device for traction pin of semi-trailer and method for measuring traction pin using same |
| CN108106534A (en) * | 2017-12-21 | 2018-06-01 | 武汉万集信息技术有限公司 | A kind of device and method of drive shaft identification |
| CN108106534B (en) * | 2017-12-21 | 2020-06-12 | 武汉万集信息技术有限公司 | Device and method for identifying driving shaft |
| CN113739713A (en) * | 2020-05-29 | 2021-12-03 | 同方威视技术股份有限公司 | Method for measuring vehicle wheel base and system for measuring vehicle wheel base |
| CN111896968A (en) * | 2020-07-30 | 2020-11-06 | 合肥市极点科技有限公司 | Measuring device for measuring motor vehicle wheel base based on laser range finder and infrared photoelectric measurement |
| CN111896967A (en) * | 2020-07-30 | 2020-11-06 | 合肥市极点科技有限公司 | Measuring device for measuring motor vehicle wheel base based on laser range finder |
| CN111896968B (en) * | 2020-07-30 | 2023-12-08 | 合肥市极点科技有限公司 | Measuring device based on laser range finder and infrared photoelectric measurement motor vehicle wheelbase |
| CN112031499A (en) * | 2020-09-11 | 2020-12-04 | 江苏小白兔智造科技有限公司 | Two-prong parking robot for forking from side surface and parking method |
| CN112079293B (en) * | 2020-09-11 | 2021-05-18 | 江苏小白兔智造科技有限公司 | Inner fork vehicle carrying robot capable of moving fork teeth simultaneously |
| CN112096153A (en) * | 2020-09-11 | 2020-12-18 | 江苏小白兔智造科技有限公司 | Two-prong parking robot for forklift from outside of side surface and parking method |
| WO2022052503A1 (en) * | 2020-09-11 | 2022-03-17 | 江苏小白兔智造科技有限公司 | Inner forklift vehicle carrying robot capable of moving fork teeth simultaneously |
| CN112079293A (en) * | 2020-09-11 | 2020-12-15 | 江苏小白兔智造科技有限公司 | Inner fork vehicle carrying robot capable of moving fork teeth simultaneously |
| CN113126109A (en) * | 2021-04-14 | 2021-07-16 | 浙江工业大学 | Vehicle wheel base measuring system and method based on motor and laser radar |
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