CN113465500A - High-efficient high accuracy measuring equipment of special car battery tray - Google Patents
High-efficient high accuracy measuring equipment of special car battery tray Download PDFInfo
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- CN113465500A CN113465500A CN202110398393.6A CN202110398393A CN113465500A CN 113465500 A CN113465500 A CN 113465500A CN 202110398393 A CN202110398393 A CN 202110398393A CN 113465500 A CN113465500 A CN 113465500A
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- guide rail
- bottom plate
- battery tray
- line laser
- dimensional line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a high-efficiency high-precision measuring device special for an automobile battery tray, which comprises a device base and a marble bottom plate, wherein the marble bottom plate is arranged on the outer wall of the center of the upper end of the device base, the left side of the marble bottom plate is provided with a guide rail B, the right side of the marble bottom plate is provided with a guide rail A, and the left end of the guide rail B is provided with a linear motor. Meanwhile, the intellectualization of an algorithm and software can be conveniently realized, and manual intervention and switching are not needed.
Description
Technical Field
The invention belongs to the technical field related to battery tray measuring equipment, and particularly relates to efficient high-precision measuring equipment special for an automobile battery tray.
Background
With the rapid development of new energy automobiles in China, the requirements of production and manufacturing of the battery tray are continuously improved as an important structural component, the online size detection becomes the standard configuration of a production line of the battery tray in order to ensure the quality reliability of the battery tray, the scheme of the laser radar adopted by the United states Tesla is recommended to be applied to the domestic main battery tray production enterprises of the Ningde times, the Ministry of Ministry, the Lingyun group, the Shangshi Keli die and the like.
The existing automobile battery tray measuring technology has the following problems: the existing special automobile battery tray adopts laser radar to measure, and laser radar compares in three-coordinate measuring machine, although efficiency is higher, flexibility is also better simultaneously, but its main problem that exists lies in, the laser radar product of measurement level, it still has the relatively poor problem of distal end precision in fact, especially along with the rapid development in our country new energy automobile market, because the structure problem of laser radar itself, the efficiency that three-dimensional data acquireed is not high, its measuring beat of totality also can't satisfy the production beat requirement of higher and higher speed.
Disclosure of Invention
The invention aims to provide efficient high-precision measuring equipment special for a vehicle battery tray, which aims to solve the problems that the laser radar provided in the background technology is high in price and poor in service, and actually has poor remote precision compared with a three-coordinate measuring machine, and due to the structural problem of the laser radar, the three-dimensional data acquisition efficiency is not high, and the overall measuring tempo cannot meet the requirements of higher and higher production tempos.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency high-precision measuring device special for an automobile battery tray comprises a device base and a marble bottom plate, wherein the marble bottom plate is installed on the outer wall of the center of the upper end of the device base, a guide rail B is arranged on the left side of the marble bottom plate, a guide rail A is arranged on the right side of the marble bottom plate, a linear motor is arranged at the left end of the guide rail B, a driving seat is connected to the outer portion of the front side of the guide rail B, a connecting slide seat is connected to the upper end of the front side of the guide rail A, the driving seat is in transmission connection with the linear motor, a gantry mechanism is connected to the upper ends of the driving seat and the connecting slide seat, a three-dimensional line laser group is arranged at the bottom of the gantry mechanism, the three-dimensional line laser group comprises a three-dimensional line laser sensor, a calibration system and angle adjustment, the calibration system is fixedly connected with the gantry mechanism, and a plurality of angle adjustment are arranged at the lower end of the calibration system, and the lower ends of the angle adjustment devices are provided with three-dimensional line laser sensors.
Preferably, the outer wall of the upper end of the marble bottom plate is maintained in a horizontal state after the marble bottom plate is connected to the upper end of the equipment base, and the marble bottom plate has high and low temperature resistance.
Preferably, the guide rail B and the linear motor matched grating ruler are fed back to jointly form a moving guide rail structure, and the linear motor can drive a driving seat on the guide rail B forwards and backwards.
Preferably, the heights of the guide rail A and the guide rail B are equal, and the bottoms of the two ends of the gantry mechanism are respectively in a horizontal installation state after the installation of the driving seat and the connecting sliding seat is finished.
Preferably, the three-dimensional line laser sensor can realize integral light-section scanning and measurement on the upper surface of the product, and the angle adjustment can adjust the use angle of the three-dimensional line laser sensor to adapt to the measurement requirement of an individual product.
Compared with the prior art, the invention provides the high-efficiency and high-precision measuring equipment special for the automobile battery tray, which has the following beneficial effects:
1. the invention develops a set of special scanning and measuring system aiming at the battery tray, namely a special high-efficiency high-precision measuring device for the automobile battery tray, the novel high-efficiency high-precision measuring device adopts a gantry frame structure, carries a plurality of high-precision three-dimensional line lasers, performs light cutting scanning measurement on the surface of a part, and finally outputs a measuring result, the novel high-efficiency high-precision measuring device for the special automobile battery tray not only has high efficiency (the scanning speed of 100 mm/s), high precision (the feedback control of a high-precision grating ruler and the high-precision point cloud quality reach the comprehensive measuring precision within 0.1 mm), but also has flexible measuring capability, can conveniently realize the intellectualization of algorithm and software, does not need manual intervention and switching, because the existing special automobile battery tray adopts a laser radar for measurement, compared with a three-coordinate measuring machine, the laser radar has higher efficiency and better flexibility, but has the main problems that the metering-level laser radar product has poor remote precision, particularly along with the rapid development of the new energy automobile market in China, due to the structural problem of the laser radar, the efficiency of obtaining three-dimensional data is not high, the overall measurement beat cannot meet the requirements of higher and higher production beats, the novel high-efficiency high-precision measuring equipment of the special automobile battery tray can perfectly solve various defects generated by the existing laser radar measurement, the overall mechanism of the novel high-efficiency high-precision measuring equipment of the special automobile battery tray is of a gantry frame structure, the reliable stability is ensured, a marble platform is adopted as a floor, the influences of temperature and the like are avoided, and a relatively stable motion platform and a product positioning reference are obtained, the movement mechanism adopts a movement guide rail structure which is fed back by a linear motor and a grating ruler, high-precision control can be realized while high-efficiency movement is guaranteed, the three-dimensional linear laser group is integrally calibrated and then is arranged on the gantry mechanism, integral optical cut scanning and measurement on the upper surface of a product are realized, a background software system processes, analyzes and calculates point clouds in real time, and a measurement result is efficiently output.
2. Compared with the existing laser radar measurement technology, the invention has the main characteristics that: firstly, the efficiency is high, here adopts a linear motor, can reach the scanning precision of at least 200mm/s, take a battery tray with the length of 2.4m as an example, the complete scanning of the upper surface is completed only by 12 seconds, the point cloud with high quality and comprehensive information is obtained, simultaneously, a high-frequency three-dimensional line laser sensor is adopted, can reach more than 20000Hz, which means the resolution ratio of at least 0.01mm, here, a data lightweight method is adopted to carry out the high-efficiency processing and operation of the point cloud, thereby the whole scanning and measuring process can be completed in about 20 seconds, the efficiency is more than 10 times of the efficiency of the most efficient measuring system, secondly, the precision is high, the marble platform enables the whole guide rail to have a stable motion base, the high-precision grating ruler feedback enables the positioning precision to reach the u-grade precision, the u-grade high-precision line laser sensor is also adopted, and the high-frequency is adopted, in summary, the accuracy of the VDE/VDI of the system can reach 0.05mm, considering the influence of positioning and deformation of the product itself, the comprehensive accuracy of the system is less than 0.1mm and exceeds the accuracy of a competitor (the accuracy of the competitor is in the range of 0.1-0.3 mm), and the flexibility is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic perspective view of an efficient high-precision measuring device for a special automobile battery tray according to the present invention;
FIG. 2 is a schematic plane structure diagram of an efficient high-precision measuring device for a special automobile battery tray according to the present invention;
FIG. 3 is a schematic plane structure diagram of a three-dimensional line laser set according to the present invention;
in the figure: 1. a driving seat; 2. an equipment base; 3. a gantry mechanism; 4. a three-dimensional line laser group; 5. connecting the sliding seat; 6. a guide rail A; 7. a marble floor; 8. a linear motor; 9. a guide rail B; 10. a three-dimensional line laser sensor; 11. calibrating the system; 12. and (6) angle adjustment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution: a high-efficiency high-precision measuring device special for an automobile battery tray comprises a device base 2 and a marble bottom plate 7, wherein the marble bottom plate 7 is installed on the outer wall of the center of the upper end of the device base 2, the marble bottom plate 7 is connected to the upper end of the device base 2, the outer wall of the upper end of the marble bottom plate 7 is kept in a horizontal state, the marble bottom plate 7 has high and low temperature resistance, a guide rail B9 and a grating ruler matched with a linear motor 8 are fed back to jointly form a motion guide rail structure, the linear motor 8 can drive a driving seat 1 on a guide rail B9 back and forth, the overall mechanism of the system is of a gantry frame structure, the reliable stability is ensured, the floor adopts a marble platform, the influence of temperature and the like is avoided, a stable motion platform and a product positioning reference are obtained, the motion mechanism adopts a motion guide rail structure fed back by the grating ruler matched with the linear motor 8, the efficient motion is ensured, the high-precision control can be realized, the left side of the marble bottom plate 7 is provided with a guide rail B9, the right side of the marble bottom plate 7 is provided with a guide rail A6, the heights of the guide rail A6 and the guide rail B9 are equal, the bottoms of the two ends of the gantry mechanism 3 are respectively in a horizontal installation state after the installation through the driving seat 1 and the connecting slide carriage 5, the left end of the guide rail B9 is provided with a linear motor 8, the linear motor 8 can reach the scanning precision of at least two hundred millimeters per second, taking a battery tray with the length of two points and four meters as an example, the complete scanning of the upper surface is completed in twelve seconds to obtain the point cloud with high quality and comprehensive information, the outside of the front side of the guide rail B9 is connected with a driving seat 1, the upper end of the front side of the guide rail A6 is connected with a connecting slide carriage 5, the driving seat 1 is in transmission connection with the linear motor 8, the upper ends of the driving seat 1 and the connecting slide carriage 5 are connected with the gantry mechanism 3, the bottom of the gantry mechanism 3 is provided with a three-dimensional linear laser group 4, the three-dimensional line laser group 4 comprises a three-dimensional line laser sensor 10, a calibration system 11 and angle adjustments 12, the calibration system 11 is fixedly connected with a gantry mechanism 3, the lower end of the calibration system 11 is provided with a plurality of angle adjustments 12, the lower ends of the angle adjustments 12 are all provided with the three-dimensional line laser sensor 10, the three-dimensional line laser sensor 10 can realize integral optical cut scanning and measurement on the upper surface of a product, the angle adjustments 12 can adjust the using angle of the three-dimensional line laser sensor 10 to adapt to the measurement requirement of individual products, the three-dimensional line laser group 4 is required to realize integral calibration and then is arranged on the gantry mechanism 3 to realize integral optical cut scanning and measurement on the upper surface of the product, the frequency of the three-dimensional line laser sensor 10 can reach more than two ten thousand hertz, which means the resolution of at least zero millimeter, and the high-efficiency processing and operation of point cloud are required to be carried out by adopting a data zero point light weight method, therefore, the whole scanning measurement process can be finished in about twenty seconds, and the efficiency is more than ten times that of the existing most efficient measurement system.
The working principle and the using process of the invention are as follows: after the device is installed, when the high-efficiency high-precision measuring device of the special automobile battery tray is used, the bottoms of the left and right ends of a gantry mechanism 3 are respectively attached to a connecting slide seat 5 at the upper end of a guide rail A6 and a driving seat 1 on a guide rail B9, the gantry mechanism 3 needs to be installed and fixed, a three-dimensional line laser group 4 needs to be installed on the gantry mechanism 3, the three-dimensional line laser group 4 is connected with a background software system in a network mode, then the battery tray needing to be measured can be placed at the upper end of a marble bottom plate 7, the whole high-efficiency high-precision measuring device of the special automobile battery tray is started to measure the battery tray, wherein the moving mechanism adopts a moving guide rail structure which is matched with a grating ruler and fed back by a linear motor 8, the high-efficiency movement is guaranteed, the high-precision control can be realized, and the three-dimensional line laser group 4 is required to be integrally calibrated, then the device is arranged on a gantry mechanism 3 to realize integral optical cutting scanning and measurement on the upper surface of a product, a background software system processes, analyzes and calculates point clouds in real time and efficiently outputs a measurement result, a linear motor 8 on a guide rail B9 can reach the scanning precision of at least two hundred millimeters per second, a battery tray with the length of two points and four meters is taken as an example, the complete scanning of the upper surface is completed in twelve seconds to obtain the point clouds with high quality and comprehensive information, meanwhile, a high-frequency three-dimensional line laser sensor 10 is adopted to reach more than two ten thousand hertz, which means the resolution of at least zero point and one millimeter, a data lightweight method is adopted to perform efficient processing and operation on the point clouds, so that the whole scanning and measuring process can be completed in about twenty seconds, the efficiency is more than ten times that of the traditional most efficient measuring system, and the marble platform enables the whole guide rail to have a stable motion base, the high-precision grating scale feedback can enable the positioning precision to reach u-level precision, a u-level high-precision line laser sensor is adopted, and the high-frequency is adopted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special automobile battery tray's high-efficient high accuracy measuring equipment, includes equipment base (2) and marble bottom plate (7), its characterized in that: the marble bottom plate (7) is arranged on the outer wall of the center of the upper end of the equipment base (2), a guide rail B (9) is arranged on the left side of the marble bottom plate (7), a guide rail A (6) is arranged on the right side of the marble bottom plate (7), a linear motor (8) is arranged at the left end of the guide rail B (9), a driving seat (1) is connected to the outer portion of the front side of the guide rail B (9), a connecting slide seat (5) is connected to the upper end of the front side of the guide rail A (6), the driving seat (1) is in transmission connection with the linear motor (8), a gantry mechanism (3) is connected to the upper ends of the driving seat (1) and the connecting slide seat (5), a three-dimensional line laser group (4) is arranged at the bottom of the gantry mechanism (3), and the three-dimensional line laser group (4) comprises a three-dimensional line laser sensor (10), a calibration system (11) and an angle adjustment (12), the calibration system (11) is fixedly connected with the gantry mechanism (3), a plurality of angle adjustments (12) are arranged at the lower end of the calibration system (11), and three-dimensional line laser sensors (10) are arranged at the lower ends of the angle adjustments (12).
2. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the marble bottom plate (7) is connected to the upper end of the equipment base (2) and then the outer wall of the upper end of the marble bottom plate (7) keeps a horizontal state, and the marble bottom plate (7) has high and low temperature resistance.
3. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the guide rail B (9) and the linear motor (8) are matched with the grating ruler for feedback to jointly form a moving guide rail structure, and the linear motor (8) can drive the driving seat (1) on the guide rail B (9) forwards and backwards.
4. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the height of the guide rail A (6) is equal to that of the guide rail B (9), and the bottoms of the two ends of the gantry mechanism (3) are respectively in a horizontal installation state after the installation of the driving seat (1) and the connecting sliding seat (5) is finished.
5. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the three-dimensional line laser sensor (10) can realize integral light-section scanning and measurement on the upper surface of a product, and the angle adjustment (12) can adjust the use angle of the three-dimensional line laser sensor (10) to adapt to the measurement requirement of an individual product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398393.6A CN113465500A (en) | 2021-04-11 | 2021-04-11 | High-efficient high accuracy measuring equipment of special car battery tray |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398393.6A CN113465500A (en) | 2021-04-11 | 2021-04-11 | High-efficient high accuracy measuring equipment of special car battery tray |
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| Publication Number | Publication Date |
|---|---|
| CN113465500A true CN113465500A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110398393.6A Pending CN113465500A (en) | 2021-04-11 | 2021-04-11 | High-efficient high accuracy measuring equipment of special car battery tray |
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| CN (1) | CN113465500A (en) |
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2021
- 2021-04-11 CN CN202110398393.6A patent/CN113465500A/en active Pending
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