Device and method for preventing lift roller frame of vertical loop from being out of control and falling off
A technology of vertical looper and lifting roller, which is applied in the directions of transportation and packaging, coating, furnace type, etc. It can solve the problems of scratching the guide rail of the looper and it is difficult to unlock quickly, so as to achieve stable and reliable loss of control and prevent strip steel from falling The effect of deviation and precise control
Active Publication Date: 2012-04-11
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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Problems solved by technology
The device has the problem of scratching the looper guide rail, and when the wedge-shaped brake block locks the lifting roller frame on the guide rail of the vertical looper, it is difficult to quickly unlock the looper to resume work.
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[0022] According to one aspect of the present invention, the method for preventing the lifting roller frame of the vertical looper from falling out of control includes: providing a braking shaft system for the lifting roller frame of the vertical looper, and using a chain to convert the linear lifting motion of the lifting roller frame into braking The rotation movement of the shaft, when the lifting roller frame falls out of control, the brake shaft system stops the rotation of the braking shaft, so that the lifting movement of the lifting roller frame of the vertical looper is locked.
[0023] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0024] figure 1 It is a schematic diagram of applying the brake device for preventing uncontrolled falling of the lifting roller frame of the vertical looper according to an exemplary embodiment of the present invention to the vertical looper with the f...
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The invention discloses a device and a method for preventing a lift roller frame of a vertical loop from being out of control and falling off. The method comprises the following steps of: arranging a brake shaft system for the lift roller frame of the vertical loop; transforming the linear lifting motion of the lift roller frame into the rotation motion of a brake shaft by using a chain; and stopping the rotation of the brake shaft by the brake shaft system when the lift roller frame is out of control and falls off to ensure that the lifting motion of the lift roller frame of the vertical loop is locked. The device comprises the brake shaft system, the chain, a chain connecting device, a driven chain wheel mechanism and the like. The device and the method have the advantages that the lift roller frame of the vertical loop can be stably and reliably prevented from being out of control and falling off, and the locking can be conveniently removed to make the vertical loop rapidly start working.
Description
technical field [0001] The present invention relates to a device and method for controlling the safety of lifting movement, more specifically, relates to a device and method for preventing uncontrollable fall of the lifting roller frame of a vertical looper. Background technique [0002] In production lines such as hot-dip galvanizing and roller coating of strip steel, in order to maintain continuous production, vertical looper devices are generally used. The vertical looper device on the strip steel production line has two working modes: one is that the fixed roll frame is at the bottom and the lifting roll frame is at the top, and the lifting roll frame is driven by the hoist to move, and the tension of the strip is ensured by controlling the hoist; the other is One is that the fixed roll frame is above and the lifting roll frame is below, and the weight of the lifting roll frame is used to ensure the tension of the strip. Using a hoist to control the movement of the lift...
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IPC IPC(8): B65H23/16B65H23/26C23C2/40C21D9/68
Inventor 战金龙
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP