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Elevator

A technology of lifting device and installation sleeve, which is applied in the direction of cooling bed, metal processing equipment, metal rolling, etc., can solve the problems of low guiding precision and failure to meet the lifting device, etc., and achieve the effect of high positioning precision and not easy to rust

Active Publication Date: 2006-10-18
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the sliding guide mechanism is generally used for platform lifting, and such a mechanism will produce bite and adhesion under the working conditions of dust, corrosion and long-term immobility; the existing ordinary wheel-rail guide mechanism has too high guiding precision Low, therefore, there is no lifting device that can meet the above requirements

Method used

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Embodiment

[0017] Example: such as figure 1 , figure 2 , image 3 , Figure 4 As shown, the lifting device of the present invention includes a load-bearing sprocket 1, a ring chain 2, a counterweight 3, a column 4, an inner guide wheel shaft 5, an outer guide wheel shaft 6, a self-lubricating thrust bearing 7, a screw mandrel 8, and a lifting movement Frame 9, nut 10, nut mounting sleeve 11, spherical pad 12, spherical gland 13, vertical shaft 14, bevel gear pair 15, lifting transmission box 16, outer guide wheel 17, horizontal transmission shaft 18, inner guide wheel 19. The column 4 and the lifting mobile frame 9 are connected through a nut 10 and a screw rod 8. The two ends of the inner guide wheel shaft 5 and the outer guide wheel shaft 6 arranged on the lifting mobile frame 9 are equipped with inner and outer guide surfaces of the column 4 respectively. The inner guide wheel 19 and the outer guide wheel 17 of rolling fit, are respectively provided with self-lubricating thrust be...

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Abstract

The present invention discloses one kind of elevator for cooling bench in steel rolling production line and capable of operating in dusty and misty environment for long period. The elevator includes uprights and movable elevating rack, which are connected through nuts and lead screws for transmission. It features that inner guide wheel and outer guide wheel fitting separately to the inner and outer guide surface of the uprights are installed separately on two ends of the inner guide wheel axle and on two ends of the outer guide wheel axle on movable elevating rack, and that self-lubricating thrust bearings are set between the inner guide wheel and outer guide wheel and the movable elevating rack. Owing to the self-lubricating thrust bearings with high positioning precision, high bearing capacity, self lubricating and less rusting, the present invention can operate in heavy load dusty and misty environment for long period reliably.

Description

technical field [0001] The invention relates to equipment used in a steel rolling production line, in particular to a lifting device on a cooling platform of a heat treatment and quenching unit for steel on the steel rolling production line. Background technique [0002] Heat treatment of steel with rolling waste heat can double the service life of steel, which is a high-tech development of steel rolling production. In order to process steel with multiple specifications, it is necessary for the cooling platform of the waste heat quenching unit to be able to lift. The waste heat quenching unit works in the environment of dust and water mist, and the cooling platform needs to be raised and lowered only when changing product types or equipment maintenance. Therefore, it is required that the guiding parts and the transmission mechanism of the lifting device of the cooling platform cannot be occluded and stuck due to dust, corrosion and long-term immobility; Can move at any tim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B43/00B21B39/04
Inventor 战金龙
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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