Hoisting device for changing vertical rolls of hot-rolled plate roughing mill
A hoisting device and vertical roller technology, which is applied in the direction of transportation and packaging, load hanging components, etc., can solve the problems of unsafe, time-consuming and laborious hoisting, etc., and achieve the effect of convenient hoisting and high hoisting efficiency
Active Publication Date: 2022-03-22
PANGANG GRP ENG TECH
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Problems solved by technology
Since the electric hoist on the upper part of the vertical roll is hung in the rolling mill, the electric hoist must be hung up during each construction, and then removed after the construction is completed. If it is not removed immediately, the electric hoist will be rolled by the rolling mill because it is hung in the rolling mill. The heat wave generated by the steel plate is damaged, so this method is not safe and time-consuming and laborious to hoist the electric hoist
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[0025] The technical problem to be solved by the present invention is to provide a method and device for lifting and fixing the upper vertical shaft during the replacement of the vertical roll of the hot-rolled plate roughing mill, so as to reduce the need to first remove the upper vertical shaft and install the new vertical roll after the replacement of the vertical roll of the hot-rolled plate roughing mill. Restore the vertical shaft installation process, reduce unsafe factors, and improve the replacement efficiency of vertical rolls in hot-rolled plate roughing mills.
[0026]The technical solution adopted by the present invention is to provide a device for quickly hoisting vertical rolls of a hot-rolled plate roughing mill. 2. The hoisting frame includes a waist frame, that is, a vertical side, and upper and lower cross arms, that is, an upper horizontal side and a lower horizontal side. Since one end of the upper arm of the vertical roller is connected with the waist fram...
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The invention discloses a hoisting device, in particular discloses a hoisting device for replacing vertical rolls of a hot-rolled plate roughing mill, and belongs to the technical field of design and manufacture of steel rolling equipment repair and maintenance process equipment. Provided is a hoisting device which is convenient for hoisting and has high hoisting efficiency and is used for changing vertical rolls of a hot-rolled plate roughing mill. The hoisting device includes a U-shaped hoisting frame and a fixed connection mechanism. The fixed connection mechanism is arranged on the lower horizontal edge of the U-shaped hoisting frame. On the lower horizontal edge of the hoisting frame, the external lifting force is connected with the upper horizontal edge of the hoisting frame.
Description
technical field [0001] The invention relates to a hoisting device, in particular to a hoisting device for replacing vertical rolls of a hot-rolled plate roughing mill, and belongs to the technical field of design and manufacture of steel rolling equipment repair and maintenance process equipment. Background technique [0002] A hot-rolled plate factory mainly produces hot-rolled medium and heavy plates. This production line is an important profit-creating production line of the company. The initial design production capacity is 1 million tons per year. After the second and third phases of expansion and transformation, the current designed production capacity is 2.42 million tons / year. The ER rolling mill is an important production equipment in the hot continuous rolling production line. It is composed of a vertical rolling mill and a horizontal rolling mill. Its main function is to roll the heated billet into an intermediate billet. The width rolling of the intermediate bil...
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IPC IPC(8): B66C1/24
CPCB66C1/24
Inventor 祝彪王跃峰涂修利张继翔何建明石瑜李玲
Owner PANGANG GRP ENG TECH