CN-116692391-B - Positioning correction system and method for car dumper

Abstract

The embodiment of the invention discloses a positioning correction system and a positioning correction method for a car dumper. The positioning correction system of the car dumper comprises a turnover motor, an encoder, an image recognition module and a controller, wherein the turnover motor is arranged on the car dumper, the encoder is arranged on the turnover motor and used for generating encoding information of the turnover motor, the image recognition module is arranged on the car dumper and used for recognizing track information of the car dumper, and the controller is connected with the turnover motor, the encoder and the image recognition module and used for controlling the turnover motor according to the encoding information and the track information so as to perform positioning correction on the car dumper. The positioning correction system and the positioning correction method for the car dumper can improve the reliability of positioning correction.

Inventors

• YE RUSHAN
• XU HUAN
• LAN FENGMEI
• ZHANG JIANJUN
• YANG YONGJUN
• LIU YUEXIANG
• LIAN XINTIAN
• WANG NANHUI
• HUANG YANGJIN
• He Dichang
• ZHANG XIAN
• QIU QIUWEI

Assignees

• 广东中南钢铁股份有限公司

Dates

Publication Date

20260508

Application Date

20230707

Claims (9)

1. 1. A tipper positioning correction system, comprising: the overturning motor is arranged on the car dumper; The coder is arranged on the overturning motor and used for generating coding information of the overturning motor; The image recognition module is arranged on the car dumper and used for recognizing track information of the car dumper; the controller is connected with the overturning motor, the encoder and the image recognition module and used for controlling the overturning motor according to the encoding information and the track information so as to position and correct the car dumper; the image recognition module comprises a camera and an image recognition processor, wherein the camera is connected with the image recognition processor, the camera is used for shooting a track image of the car dumper, and the image recognition processor is used for recognizing the track image to obtain track information of the car dumper.
2. 2. The tipper positioning correction system of claim 1, further comprising a communication module, said controller being communicatively coupled to said image recognition module via said communication module.
3. 3. The tipper positioning correction system of claim 1, wherein the encoder is a photoelectric encoder.
4. 4. The tipper positioning correction system of claim 1, wherein the controller is a PLC controller.
5. 5. A tipper positioning correction method, characterized in that the tipper positioning correction method is performed by the tipper positioning correction system according to any one of claims 1 to 4, the tipper positioning correction method comprising: Acquiring track information of a car dumper and coding information of a turnover motor; and carrying out positioning correction on the car dumper according to the rail information and the coding information.
6. 6. The method of claim 5, wherein said performing positioning correction on said car dumper based on said track information and said encoded information comprises: determining coding information and a current offset angle corresponding to a target track of the car dumper according to the track information and the coding information; And if the offset angle is not zero, controlling the overturning motor to adjust the running angle so as to enable the offset angle to be zero.
7. 7. The method of calibrating a positioning of a tipper according to claim 6, wherein determining the coded information and the current offset angle of the tipper corresponding to the target track according to the track information and the coded information comprises: and determining the coding information corresponding to the target track of the car dumper according to the coding information, and determining the current offset angle of the car dumper according to the track information.
8. 8. The method for calibrating a positioning of a vehicle dumper according to claim 6, wherein the determining the vehicle dumper after the coded information corresponding to the target track and the current offset angle further comprises: and if the offset angle is zero, controlling the running state of the overturning motor to be unchanged.
9. 9. The method for positioning and correcting a car dumper according to claim 6, wherein the offset angle is an offset angle of an actual track of the car dumper relative to the target track, and the actual track is a track corresponding to the encoded information acquired by the controller.

Description

Positioning correction system and method for car dumper Technical Field The embodiment of the invention relates to a positioning correction technology, in particular to a positioning correction system and method for a car dumper. Background The dumper is used as a large mechanical device for dumping bulk materials of railway open cars, can be used as a loading and unloading machine for dumping the railway open cars by overturning or tilting the railway open cars, and is suitable for ports with large transportation capacity and industrial departments of metallurgy, coal, thermoelectricity and the like. In order to ensure the accurate position of the dumper, the dumper needs to be positioned and corrected. At present, the existing positioning correction method of the car dumper usually realizes the positioning function through a master controller, has long adjustment time when faults occur, has low precision, often causes rail dislocation, cannot output analog quantity, and reduces the reliability of positioning correction. Disclosure of Invention The embodiment of the invention provides a positioning correction system and a positioning correction method for a car dumper, which are used for improving the reliability of positioning correction. In a first aspect, an embodiment of the present invention provides a positioning correction system for a car dumper, including: the overturning motor is arranged on the car dumper; the coder is arranged on the overturning motor and used for generating coding information of the overturning motor; the image recognition module is arranged on the car dumper and used for recognizing track information of the car dumper; and the controller is connected with the overturning motor, the encoder and the image recognition module and used for controlling the overturning motor according to the coding information and the track information so as to position and correct the car dumper. According to the technical scheme, the controller in the positioning correction system of the car dumper controls the overturning motor according to the coding information and the track information, the coding information is represented by an analog quantity signal generated by the encoder, the controller can control the operation angle of the overturning motor according to the analog quantity signal, positioning correction of the car dumper is achieved, and control reliability is improved. Optionally, the image recognition module comprises a camera and an image recognition processor, wherein the camera is connected with the image recognition processor and is used for shooting a track image of the car dumper, and the image recognition processor is used for recognizing the track image to obtain track information of the car dumper. Optionally, the positioning correction system of the car dumper further comprises a communication module, and the controller is in communication connection with the image recognition module through the communication module. Optionally, the encoder is an optoelectronic encoder. Optionally, the controller is a PLC controller. In a second aspect, an embodiment of the present invention provides a positioning correction method for a car dumper, where the positioning correction method for the car dumper is performed by the controller in the first aspect, and the positioning correction method for the car dumper includes: Acquiring track information of a car dumper and coding information of a turnover motor; And carrying out positioning correction on the car dumper according to the rail information and the coding information. Optionally, according to the track information and the coding information, performing positioning correction on the car dumper, including: Determining coding information and a current offset angle corresponding to a target track of the car dumper according to the track information and the coding information; and if the offset angle is not zero, controlling the overturning motor to adjust the running angle so as to enable the offset angle to be zero. Optionally, determining the coding information and the current offset angle corresponding to the target track by the car dumper according to the track information and the coding information includes: And determining the coding information corresponding to the target track of the car dumper according to the coding information, and determining the current offset angle of the car dumper according to the track information. Optionally, after determining the coded information corresponding to the target track and the current offset angle, the method further includes: And if the offset angle is zero, controlling the running state of the overturning motor to be unchanged. Optionally, the offset angle is an offset angle of an actual track of the car dumper relative to the target track, and the actual track is a track corresponding to the coding information acquired by the controller. The positioning correction system of the car du