CN-116553132-B - Automatic deviation correcting device and method for multi-vehicle-type production line vehicle body

CN116553132BCN 116553132 BCN116553132 BCN 116553132BCN-116553132-B

Abstract

The application relates to the technical field of automobile production, and particularly discloses an automatic deviation correcting device and method for a multi-vehicle-type production line automobile body, wherein the device comprises a base frame and supporting rods arranged at four corners of the base frame; the application discloses a correction method for a vehicle body, which comprises the following steps of arranging guide sliding rails on side surfaces of support rods, arranging a lifting support frame on the top surfaces of two adjacent support rods, arranging a lifting power mechanism on the top surfaces of the support rods, and fixedly arranging a correction adjusting mechanism on the top surface of each support installation seat through a lifting chain.

Inventors

ZENG XIANGZONG
OUYANG LEI
DENG KAI

Assignees

江铃汽车股份有限公司

Dates

Publication Date: 20260512
Application Date: 20230629

Claims (8)

1. The automatic deviation correcting method for the multi-vehicle-type production line vehicle body is characterized by being applied to an automatic deviation correcting device for the multi-vehicle-type production line vehicle body, and the automatic deviation correcting device comprises a base frame and supporting rods respectively and vertically arranged at four corners of the base frame, wherein the side surfaces of the supporting rods are provided with guide sliding rails along the vertical direction; The lifting support comprises a transmission rod, a support mounting seat and a transmission sliding block, wherein the two ends of the transmission rod are respectively and fixedly connected with the support mounting seat, the transmission sliding block is fixedly arranged on the surface of the transmission rod, which is close to the support mounting seat, and the transmission sliding block is in sliding connection with the guide sliding rail; the mounting bracket is arranged at the tops of two adjacent support rods which are arranged along the width direction of the base frame, and a lifting power mechanism is fixedly arranged on the top surface of the mounting bracket; the lifting power mechanism is in transmission connection with the lifting support frame through a lifting chain; The deviation rectifying and adjusting mechanisms are fixedly arranged on the top surface of each supporting installation seat, and two adjacent deviation rectifying and adjusting mechanisms close to one side of the installation support are parallel to each other; the method comprises the following steps: generating a vehicle body image acquisition instruction to the camera module according to the working condition information transmitted by the vehicle body; acquiring vehicle body image information through the camera module according to the image acquisition instruction; According to the acquired vehicle body image information, invoking a preset algorithm to calculate the image information to obtain a processing result, wherein the calculation processing comprises area division, virtual coordinate parameter establishment and vehicle type information acquisition of the image; Judging whether deviation exists between the vehicle body and the accurate position preset on the transfer table or not according to the processing result, if so, carrying out deviation rectifying and accurate positioning on the vehicle body by controlling a deviation rectifying device, feeding back positioning completion information, and if not, feeding back positioning accurate information; Acquiring corrected vehicle body image information again through the camera module according to the feedback information, comparing the corrected vehicle body image information with pre-stored image information, and judging whether the vehicle body is positioned accurately again; according to the acquired vehicle body image information, a preset algorithm is called to calculate the image information to obtain a processing result, wherein the calculating process comprises the steps of dividing an image into areas, establishing virtual coordinate parameters and acquiring vehicle type information, and the method comprises the following steps: according to the acquired vehicle body image information, the vehicle type information is obtained by comparing the vehicle body image information with the calling pre-stored vehicle type image information; According to the vehicle type information, determining the size ratio of the distance length to the actual distance length in the image information, carrying out plane gridding on the acquired image according to the size ratio, establishing a virtual coordinate system, carrying out region division on the image through image color acquisition, and combining with establishing the virtual coordinate system to obtain the distance information between the vehicle body and each station device.
2. The automatic deviation rectifying method for the multi-vehicle-type production line vehicle body according to claim 1, wherein the deviation rectifying and adjusting mechanism comprises a mounting base, a connecting component, a cylinder, a push rod, a supporting guide block and a supporting base, wherein the mounting base and the supporting base are oppositely arranged on the surface of the supporting mounting base, the supporting guide block is fixedly arranged on the top surface of the supporting base, the connecting component is fixedly arranged on the top surface of the mounting base, the cylinder is fixedly arranged on the side end surface of the connecting component, the push rod is fixedly connected to the front end of an output shaft of the cylinder, and one end of the push rod far away from the cylinder is abutted to the surface of the supporting guide block.
3. The automatic deviation rectifying method for the multi-vehicle-type production line vehicle body according to claim 2, wherein the connecting assembly comprises a mounting support plate, a first connecting piece and a second connecting piece which are oppositely arranged on the surface of the mounting support plate, the first connecting piece and the second connecting piece are L-shaped, limiting holes are coaxially formed in the first connecting piece and the second connecting piece, the side end face of the second connecting piece is fixedly provided with the air cylinder, and an output shaft of the air cylinder is fixedly connected with one end of the push rod penetrating through the limiting holes of the first connecting piece through a floating joint.
4. The automatic deviation rectifying method for multi-vehicle-type production line vehicle bodies according to claim 1, wherein the step of generating a vehicle body image acquisition instruction to the camera module according to the working condition information transmitted by the vehicle bodies comprises the following steps: And acquiring the position information transmitted by the vehicle body through a sensor, judging whether the vehicle body is transmitted to the station according to the position information, and if so, generating a vehicle body image acquisition instruction to the camera module.
5. The automatic deviation rectifying method for the vehicle body of the multi-vehicle type production line according to claim 1, wherein according to the processing result, whether deviation exists between the vehicle body and an accurate position preset at the switching table is judged, if yes, the deviation rectifying device is controlled to rectify and accurately position the vehicle body, positioning completion information is fed back, if not, the positioning accuracy information is fed back, and the automatic deviation rectifying method comprises the following steps: Obtaining distance information between the image vehicle body and each device of the station through the processing result, judging whether the vehicle body has deviation or not according to the acquired accurate position information of the preset vehicle body on the transfer table, and obtaining a vehicle body deviation distance value according to the image information; according to the deviation distance value of the vehicle body, the deviation correcting device is controlled to realize the accurate deviation correcting and positioning of the vehicle body.
6. The automatic deviation rectifying method for the multi-vehicle-type production line vehicle body according to claim 1, wherein the step of acquiring the corrected vehicle body image information again through the camera module according to the feedback information, comparing the corrected vehicle body image information with pre-stored image information, and judging whether the vehicle body is positioned accurately again comprises the following steps: According to the feedback information, the camera module is used for acquiring the corrected vehicle body image information again, the corrected vehicle body image information is compared with the accurate position information preset on the transfer table, if the corrected position is accurate, the follow-up tool is executed, and if the corrected position has deviation, the alarm prompt is carried out through the display control platform.
7. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program is executed after being read by a processor to perform the steps of a multi-vehicle type production line vehicle body automatic deviation correcting method according to any one of claims 1 to 6.
8. A computer device comprising a storage medium, a processor and a computer program, the computer program being stored on the storage medium, characterized in that the processor, after reading the computer program from the storage medium, runs the computer program to perform the steps of a method for automatically rectifying deviation of a multi-vehicle-type production line vehicle body according to any one of claims 1 to 6.

Description

Automatic deviation correcting device and method for multi-vehicle-type production line vehicle body Technical Field The application relates to the technical field of automobile production, in particular to an automatic deviation correcting device and method for a multi-vehicle-type production line automobile body. Background In the production process of various vehicle type vehicle body production lines, a vehicle body descends to a vehicle receiving lifting table along with a transfer trolley at a lower part opening, then the transfer trolley is descended and placed by the lifting table, in the process, four positioning holes of a vehicle body longitudinal beam and positioning pins on the transfer table cannot be accurately positioned, irregular deviation dislocation exists, workshop staff is required to manually intervene the vehicle body to adjust the vehicle body in place, the process easily causes mechanical damage to the vehicle body longitudinal beam, meanwhile, the process is complex, and on the basis of the process, the automatic deviation correcting device and the deviation correcting method for the vehicle body of the multi-vehicle type production line are needed to solve the problems in the related art. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides an automatic deviation correcting device and method for a multi-vehicle-type production line vehicle body. In a first aspect, an embodiment of the present application provides an automatic deviation rectifying device for a vehicle body in a multi-vehicle type production line, including: the support rod is vertically arranged at four corners of the base frame, and the side surface of the support rod is provided with a guide sliding rail along the vertical direction; The lifting support comprises a transmission rod, a support mounting seat and a transmission sliding block, wherein the two ends of the transmission rod are respectively and fixedly connected with the support mounting seat, the transmission sliding block is fixedly arranged on the surface of the transmission rod, which is close to the support mounting seat, and the transmission sliding block is in sliding connection with the guide sliding rail; the mounting bracket is arranged at the tops of two adjacent support rods which are arranged along the width direction of the base frame, and a lifting power mechanism is fixedly arranged on the top surface of the mounting bracket; the lifting power mechanism is in transmission connection with the lifting support frame through a lifting chain; the deviation rectifying and adjusting mechanisms are fixedly arranged on the top surface of each supporting installation seat, and two adjacent deviation rectifying and adjusting mechanisms close to one side of the installation support are parallel to each other. In one embodiment, the deviation rectifying and adjusting mechanism comprises a mounting base, a connecting component, an air cylinder, a push rod, a supporting guide block and a supporting base, wherein the mounting base and the supporting base are oppositely arranged on the surface of the supporting mounting base, the supporting guide block is fixedly arranged on the top surface of the supporting base, the connecting component is fixedly arranged on the top surface of the mounting base, the air cylinder is fixedly arranged on the side end surface of the connecting component, the push rod is fixedly connected to the front end of an output shaft of the air cylinder, one end of the push rod far away from the air cylinder is abutted to the surface of the supporting guide block, In one embodiment, the connecting assembly comprises a mounting support plate, and a first connecting piece and a second connecting piece which are oppositely arranged on the surface of the mounting support plate, wherein the first connecting piece and the second connecting piece are L-shaped, a limiting hole is coaxially formed in the first connecting piece and the second connecting piece, the side end face of the second connecting piece is fixedly provided with the air cylinder, and an output shaft of the air cylinder is fixedly connected with one end of the push rod penetrating through the limiting hole of the first connecting piece through a floating joint. In a second aspect, an embodiment of the present application provides a method for automatically correcting a vehicle body on a multi-vehicle type production line, where the method is applied to the apparatus for automatically correcting a vehicle body on a multi-vehicle type production line described in the foregoing embodiment, and the method includes: generating a vehicle body image acquisition instruction to the camera module according to the working condition information transmitted by the vehicle body; acquiring vehicle body image information through the camera module according to the image acquisiti