Method for improving limiting reliability of steel pulling trolley of steel pulling machine of chain-type cooling bed
A technology of chain cooling bed and steel drawing machine, applied in cooling bed, metal processing equipment, metal rolling, etc., can solve the problems of chain down, proximity switch failure, frequent impact of steel drawing trolley, etc., to improve sensitivity and safety. The effect of reliability
Active Publication Date: 2015-05-13
CHONGQING IRON & STEEL CO LTD
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Problems solved by technology
However, due to the large inertia of the steel drawing trolley and the harsh environment of the working surface where the proximity switch is located, there will be a lot of iron oxide slag attached to the proximity switch, which will cause the proximity switch to often fail, causing the steel trolley to frequently hit during the steel drawing process. , often causing accidents such as the chain break of the steel trolley or the chain going down the road, which affects the normal operation of production
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[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0014] A method for improving the limit reliability of a steel trolley in a chain-type cooling bed drawing machine, including using a proximity switch connected to a motor control circuit to control the motor, and using a pair of gears with a large transmission ratio to drive the chain drive shaft to rotate The output is transmitted to a position far away from the chain drive shaft and drives a limit baffle to rotate, and then the proximity switch is set at the position corresponding to the limit baffle, so that the limit baffle can just be able to approach One side of the switch turns to the other and comes within the sensing range of the proximity switch. When this method is specifically implemented, the following figure 1 The shown device is carried out, and this device comprises chain transmission shaft 1, and described chain transmission shaft 1 axle en...
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The invention discloses a method for improving limiting reliability of a steel pulling trolley of a steel pulling machine of a chain-type cooling bed. According to the method for improving the limiting reliability of the steel pulling trolley of the steel pulling machine of the chain-type cooling bed, an approach switch is adopted to be connected to a motor control circuit to control a motor. The method for improving the limiting reliability of the steel pulling trolley of the steel pulling machine of the chain-type cooling bed is characterized in that the rotation output of a chain transmission shaft is transmitted to a position away from the chain transmission shaft through a pair of gear transmissions with large transmission ratios to drive a limiting baffle to rotate, the approach switch is arranged at a position corresponding to the limiting baffle, and the limiting baffle can just rotate from one side of the approach switch to the other side of the approach switch and enter the sensing range of the approach switch in the whole operation process of the steel pulling trolley. The method for improving the limiting reliability of the steel pulling trolley of the steel pulling machine of the chain-type cooling bed has the advantages that limiting of end points of the steel pulling trolley of the steel pulling machine of the chain-type cooling bed can be achieved, sensitivity and reliability of detection of the limiting are improved, and cold bed production can be achieved smoothly.
Description
technical field [0001] The invention relates to a chain-type cooling bed steel drawing machine, in particular to a method for improving the reliability of the position limit of the steel drawing trolley of the chain type cooling bed steel drawing machine. Background technique [0002] The cooling bed in the iron and steel plant is the equipment used for the cooling of steel rolling products. The chain cooling bed refers to the cooling bed that uses the chain as the power output transmission of the drawing machine. [0003] In the chain cooling bed, several chains arranged side by side are used for the horizontal transmission of the trolley. The end of each chain is provided with a sprocket, and several sprockets at the power input end of the chain are arranged side by side and fixed on the same transmission shaft. The power transmission shaft is driven by the motor to rotate through the chain transmission mechanism again. The chain transmission mechanism includes a driving ...
Claims
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IPC IPC(8): B21B43/08
Inventor 邹昭富彭元兵邓军杨福云
Owner CHONGQING IRON & STEEL CO LTD