Control circuit, detection device and control method for steel box girder detection car orbital transfer operation
A technology of operation control and inspection car, which is applied to the closed-loop control circuit of the left and right trolleys, the inspection car outside the steel box girder, and the field of track-change detection devices, which can solve the problem of uneven operation and cumbersome open-loop control operations , low maintenance efficiency and other issues, to achieve the effect of safe and reliable driving
Active Publication Date: 2015-06-10
CHENGDU XINZHU ROAD & BRIDGE MASCH CO LTD
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[0007] The purpose of the present invention is to provide a steel box girder inspection car with a simple structure, simple operation, reliable operation, high degree of automation, high control precision, safe and reliable track change operation control circuit, detection device and The control method solves the problems of cumbersome operation, low maintenance efficiency and unsmooth operation of traditional open-loop control
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[0055] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0056] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0057] like figure 1 to Figure 4 As shown, the rail-changing operation control circuit of the steel box girder inspection vehicle of the present invention includes an encoder 5, a linear displacement sensor, a controller, a drive unit, and left and right travel actuators. The encoder 5, a linear displacement sensor, and a drive The units are respectively connected with the controller, and the drive unit is connected with the left and right...
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The invention discloses a control circuit, a detection device and a control method for steel box girder detection car orbital transfer operation and belongs to the technical field of detection car orbital transfer traveling control. For the control circuit, a coder, a linear displacement sensor and a drive unit are connected to a controller respectively, the drive unit is connected to a left travelling actuating mechanism and a right travelling actuating mechanism, the coder can detect the rotation angle information of the left travelling actuating mechanism and the right travelling actuating mechanism in real time and transmits the rotation angle information to the controller, the linear displacement sensor is used for detecting the linear displacement distance information of a moving gantry which deviates from the central line of a gantry frame and transmitting the linear displacement distance information to the controller, the controller is used for conducting the logic judgment and operation in accordance with angle information and displacement information and transmitting drive signals to the drive unit, and the drive unit is used for driving the left travelling actuating mechanism or the right travelling actuating mechanism to move in accordance with drive signals. The problems that a traditional opening loop is complex to control and operate, low in detection efficiency and unsmooth in operation are solved.
Description
technical field [0001] The invention relates to various track-changing walking control technologies for external inspection cars of steel box girders, in particular to a closed-loop control circuit for left and right trolleys, a track-changing walking detection device, and a track-changing walking control method. Background technique [0002] At present, in order to economically and effectively carry out all-round inspection and maintenance on the bottom of large steel box girder bridges and the positions of piers and abutments, H-shaped steel fixed rails and rotating rails are suspended at the bottom of steel box girders for the operation of inspection vehicles. The walking actuator is a set of gear reduction box driven by an electric motor, and the inspection side is driven to run on the track through the walking actuator, and it needs to change the track when it encounters a bridge pier. [0003] When the inspection car is changing track, in the traditional track changing...
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IPC IPC(8): E01D19/10
Inventor 杨兵
Owner CHENGDU XINZHU ROAD & BRIDGE MASCH CO LTD