A detection device and detection method for the connection state of rigid catenary bolts
A connection state, rigid contact technology, applied in the field of railway engineering, can solve the problems of low efficiency, can not meet the needs of the actual operation of the subway, slow feedback, etc., to achieve the effect of improving efficiency and accuracy, facilitating promotion and application, and simple structure
Active Publication Date: 2019-11-15
SHANGHAI UNIV OF ENG SCI
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Problems solved by technology
[0003] The invention provides a detection device and detection method for the bolt connection state of the rigid catenary, which solves the problems of slow feedback, low efficiency and inability to meet the needs of actual operation of subway trains in existing detection methods.
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[0024] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0025] like figure 1 and 2 As shown, the present invention provides a detection device for the connection state of rigid catenary bolts, including a distance detection unit symmetrically arranged directly above the suspension channel steel 1, and a camera unit arranged above the suspension channel steel 1. The distance detection unit Both the unit and the camera unit are connected to the industrial computer, the industrial computer is connected to the dispatch center server through the communication unit, the distance detection unit is used to detect the vertical displacement of the suspension channel steel 1, and the camera unit is used to detect the The screw anchor bolt 11 takes pictures, and the industrial computer judges the connection state of the screw anchor bolt 11 according to the received ver...
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The invention relates to the technical field of railway engineering and discloses a device for detecting the bolt connection state of a rigid overhead line system. The device comprises a distance detection unit symmetrically arranged above the suspension channel steel, and a camera unit arranged above the suspension channel steel. Both the distance detection unit and the camera unit are connectedto an industrial computer which is connected to a dispatch center server through a communication unit. The distance detection unit is configured to detect the vertical displacement of the suspension channel steel. The camera unit is configured to photograph a screw anchor on the suspension channel steel. The industrial computer determines the connection state of the screw anchor according to a received vertical displacement signal, sends a corresponding control instruction to determine whether to activate the camera unit, and sends the control instruction or the picture to the dispatch centerserver through the communication unit. Also disclosed is a method for detecting the bolt connection state of a rigid overhead line system. The device and method are simple in structure, convenient tooperate, and are convenient for popularization and application.
Description
technical field [0001] The invention relates to the technical field of railway engineering, in particular to a detection device and a detection method for the connection state of rigid catenary bolts. Background technique [0002] The rigid catenary is a kind of power transmission equipment for urban rail transit. It transmits power to the train through direct contact with the pantograph. Its structure is as follows: figure 1 As shown, it mainly includes connection parts such as bus bars, insulators, suspension channel steel and screw anchor bolts. The rigid catenary has the characteristics of few spare parts, simple maintenance and high operational reliability. However, as the operation time increases and the driving interval shortens, the connecting parts of the rigid catenary will deflect and loosen under the action of long-term vibration, making the catenary unreliable. If it is serious, it will cause a grid collapse accident, which will seriously affect the safe and re...
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IPC IPC(8): G01M13/00G01B7/02
CPCG01B7/023G01M13/00
Inventor 杨俭宋瑞刚袁天辰徐超群林小松
Owner SHANGHAI UNIV OF ENG SCI