Protective device making swing chute mouth being accurately located

Abstract

The invention discloses a protective device making a swing chute mouth being accurately located. The protective device comprises a motor, a speed reducer, a push rod and the swing chute mouth. The motor is connected to the speed reducer through a coupling wheel, one end of a low-speed shaft of the speed reducer is connected to one end of the push rod through a push rod driving mechanism, the other end of the push rod is connected with the swing chute mouth through a chute mouth driving bearing, a travel switch protective box is fixedly arranged at the other end of the low-speed shaft, the travel switch protective box is coaxially connected with the low-speed shaft through a hard connection fixing piece, a travel switch is arranged inside the travel switch protective box, and the travel switch is connected to the motor. The low-speed shaft of the speed reducer is connected with the travel switch, the low-speed shaft and the travel switch are always operated at same angular speed, the swing chute mouth can be accurately located at the preset position, the situation that the swing chute mouth does not go beyond the largest set position, the problem that the swing chute mouth and the mouth of a torpedo ladle are not accurately aligned is thoroughly solved, and safety of tapping iron is effectively guaranteed.

Description

technical field [0001] The invention relates to a protection device for a swing nozzle, in particular to a protection device for precise positioning of a swing nozzle. Background technique [0002] Today's enterprises have raised safety production to the highest level, and no mistakes can be tolerated. For ironworks, the safety of molten iron is particularly important. Molten iron is generally stored and transported by torpedo tanks. If the alignment between the swinging nozzle and the mouth of the torpedo tank is not accurate during tapping, the molten iron will splash out, which will easily cause safety accidents such as molten iron melting the rails or even explosion, causing huge losses to the enterprise. loss. At present, the proximity switch type nozzle angle positioning device is mostly used to position the nozzle. The proximity switch type nozzle angle positioning device has inaccurate angle positioning, and is easily affected by working environment factors such as...

AI Technical Summary

Problems solved by technology

Molten iron is generally stored and transported by torpedo tanks. If the alignment between the swinging nozzle and the mouth of the torpedo tank is not accurate during tapping, the molten iron will splash out, which will easily cause safety accidents such as molten iron melting the rails or even explosion, causing huge losses to the enterprise. loss

At present, the proximity switch type nozzle angle positioning device is mostly used to position the nozzle. The proximity switch type nozzle angle positioning device has inaccurate angle positioning, and is easily affected by working environment factors such as high temperature on site, high iron powder concentration, flammability and explosion. Affected, there are often problems such as damage to the proximity switch or output false signals, which will produce an interlocking reaction and cause frequent accidents of molten iron splashing. If it is not discovered in time, it will cause major vicious production and safety accidents.

Images