JPS61294345A - Apparatus for detecting injured point of steel cord of steel cord belt conveyor and x-ray photographing said point - Google Patents

Abstract

PURPOSE:To safely and efficiently know an injured condition by providing a coil sensor for detecting the abnormal point of steel cords and a X-ray photographic apparatus to the part where a return side belt passes. CONSTITUTION:The coil sensor 9 for detecting the abnormal point provided in the part of a belt conveyor where the return side belt 2 passes detects the injured part or joint part of the steel cords in the belt 2. A marking device 10 marks the abnormal point according to the result of the detection. The conveyor is so stopped that the marked point comes above a machine frame 11. The marked point is photographed by the X-ray photographing device movable in the directions parallel with the moving direction of the belt 2 and perpendicular thereto by a remote operation. The X-ray image generated in a fluorescent plate 5 is photographed by a television camera 6, is displayed on a monitor 6 or is recorded into a VTR38.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a steel cord damage point detection and X1s imaging device for a steel cord belt conveyor.

``Prior Art'' Conventionally, belt conveyors, wire lobes, etc. have caused cutting accidents without any damage to the steel cords buried inside being discovered. There is a device that detects metal fragments in ore discharged by a belt conveyor (Japanese Unexamined Patent Publication No. 53)
66787), it is difficult to detect and clarify the abnormal state of the steel cord in the belt, and it is also difficult to predict the breakage of the steel cord. Additionally, abnormal areas are photographed using a method in which a person wearing a XiR protective suit applies X-rays to a belt one by one and visually confirms the image reflected on a fluorescent plate, which is an inefficient method that carries the risk of exposure to radiation. Met.

[Identical Points to be Solved by the Invention] The present invention detects damaged parts and spliced parts of a steel cord buried inside the belt of a belt conveyor using an inductance change signal, and detects the damage state and aging of the part. The purpose is to clarify efficiently and safely.

[Means for Solving Interval Points j] The present invention provides a passing support frame for the return belt of a steel cord belt conveyor that is parallel to the upper and lower surfaces of the return belt and moves in parallel and perpendicular directions to the direction of transition thereof. An X-ray photographing device comprising a support frame provided with an XRA generator, a fluorescent plate facing the generator, and a television camera for photographing the same, and a drive device for the support frame, and a coil sensor located in a steel cord inside the belt. and an abnormal point marking device operated by the signal from the same sensor, and an X-ray imaging device that detects the steel cord of the steel cord belt conveyor. The current is passed through the provided support frame to conduct the current to the abnormal location coil sensor. The sensor detects a change in inductance at an abnormal location of the steel cord in the belt, a signal corresponding to the amount of change is amplified by an amplifier, the signal operates an abnormal location marking device, and the abnormal location is marked. Capable of detecting and marking locations.

In the case of X-ray imaging of an abnormal area or joint part, the conveyor is stopped so that the marked area is located at the position of the XTS imaging equipment frame, and in this state, the support frame is aligned with the transfer direction of the return side belt. The X-ray generator is operated while moving at right angles, and the image of the fluorescent plate is photographed with the television camera, and the steel code can be viewed on a remote monitor.This can also be recorded on video or photographed with a camera. It is possible. The support frame can also be moved in the transition direction of the lower transition section to photograph a wide range and search for a necessary location. In addition, abnormal areas of the steel cord belt are detected in advance using an abnormal area coil sensor,
It is also possible to mark abnormalities on the belt with a marking device and take X-ray pictures of them one after another. Side strips 12.12 parallel to the transition direction are provided on the machine frame 11 arranged parallel to the transition plane, and side strips 12.1
2 supports a rectangular traveling frame 13 via wheels 14. Guide rods 15.15 and screw threads 16.16 are provided at the upper and lower portions of this traveling frame 13, and are orthogonal to the side strips 12.12.
, to form a passage support frame 3 for the t2. x on lower support frame 3
The 5I generator 4 is provided upward, and an internal lead precipitated hood 17 is placed close to the bottom surface of the return belt 2.

Further, the upper support frame 3 is provided with an inner lead plate-lined box 18 in which a fluorescent plate 5 is housed, which is close to the upper surface of the return belt 2 and faces the hood 17. A television camera 6 for photographing is provided facing 5. *FF above
A gear 19, 19 with the same number of teeth is installed at one end of 16.16, and a timing belt 22 is wound around the driving gear 21 provided on the output shaft of a forward/reverse rotary motor 20 provided on the traveling frame 13. With orthogonal drive device for yangning,
The running frame 13 is screwed onto a screw FF 23 provided on the machine frame 11 in the direction of movement of the return belt 2, and the threaded rod 23 is rotated forward and backward by a reduction motor 24 (FIG. 4).
3 is run and eventually becomes a parallel drive device for the support frame 3, and the support frame 3 is driven by the perpendicular and parallel drive devices.
This constitutes the drive device 7 of. Parallel drive device! As shown in FIG.
An endless chain 2 is attached to the /rt 25 and driven sprocket 26.
7, the traveling frame 13 may be connected to the same engine 27, and the driving sprocket 25 may be driven by a forward/reverse rotary motor 29 via a speed reducer 28.

As shown in FIG. 1, the return belt 2 is provided with a different S position sensor 9 consisting of a coil surrounding the belt 2.
An abnormal place marking device 10 consisting of a spray 31 of paint or the like is provided via an amplifier 30. In addition, what is indicated by 32 in the figure is the signal wiring of the sensor 9, 33tt.
Ben recorder, the above drive device 70 of the 34Fi support frame 3
Control panel, 35 is amplifier for TV camera 6, 361-1 monitor for TV camera 6, 37F! Film photography monitor, 381-! In the video deck, numeral 39 in FIG. 2 is a guide roller for the return belt 2.

"Effects" Since the present invention is configured as described above, it is possible to detect damaged parts and joint parts of the steel cord in the conveyor belt of the steel cord belt conveyor 1, and to easily take an XSa photograph of the same part by remote control to obtain more detailed information. In addition, it is possible to know the damage report safely and efficiently.

Strabismus dog showing X-ray damage detection and X1S imaging equipment - Figure 2 is a side view of the X-ray imaging equipment, Figure 3 is a plan view of Figure 1, and Figure 4 is a view of Figure 3 from the left. It is a front view.

1. Steel cord belt conveyor, 2-17 turn belt, 3. Belt passage support frame, 4. xHa generator, 5. Fluorescent plate, 6. TV camera for photography, 7. Drive device, 8 ... Xsl photographing device, 9. Steel cord abnormality location coil sensor in the belt, 10-. Abnormal noise location marking device.

Claims (1)

[Claims] (1) A support frame for passing the belt is provided which is parallel to the upper and lower surfaces of the return belt of the steel cord belt conveyor and moves in parallel and perpendicular directions to the direction of movement of the return belt, and an X-ray generator and an X-ray generator are installed in the support frame. An X-ray imaging device is equipped with a fluorescent plate facing the camera and a TV camera for photographing the same, and a driving device for the support frame, a coil sensor for abnormality in the steel cord in the belt, and an abnormality sensor that operates based on the signal from the sensor. A steel cord belt conveyor steel cord damage location detection and X-ray imaging device consisting of a location marking device.