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Gapless full-hydraulic expansion and retraction reel

An expansion and contraction reel, full hydraulic technology, applied in the field of rolling mill supporting equipment, can solve problems affecting the quality of plate rolling, and achieve the effect of convenient maintenance

Inactive Publication Date: 2008-03-26
朱惠兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the strip-shaped plate is rolled on the reel, due to the large distance between the adjacent sides of the two arc-shaped plates, scratches will be formed on the strip-shaped plate, which affects the rolling quality of the plate

Method used

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  • Gapless full-hydraulic expansion and retraction reel

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Embodiment Construction

[0011] As shown in Fig. 1 and Fig. 2, the seamless full-hydraulic expansion and contraction reel of the present invention contains a main shaft 9, a central hole is processed in the main shaft 9, and a moving shaft 6 is arranged in the central hole, and the center hole and the moving shaft 6 form a Slip fit. The section of one section of the front end of the main shaft 9 is a square, and arc plates 13 are arranged on four faces of the section, and the main shaft 9 at the rear end of the arc plates 13 is fixed with a retaining sleeve 10 for blocking the arc plates 13 . Axial grooves are processed on the four corners of the front section of the main shaft 9 in the longitudinal direction, and an axial tooth plate 7 is installed in each axial groove, and the axial tooth plate 7 and the axial groove are in a sliding fit. The front end of the axial tooth plate 7 protrudes outside the front end of the main shaft 9 . The front end of the moving shaft 6 also stretches out from the fro...

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Abstract

The present invention discloses a seamless full-hydraulic collapsible drum, in the concrete, it is a seamless full-hydraulic collapsible drum for winding strip material when the strip material is rolled. Said seamless full-hydraulic collapsible drum includes a mina shaft, in the main shaft interior a central hole is set, and in the central hole interior a moving shaft is set. Besides, said invention also provides the concrete structure of said main shaft, and also provides the concrete operation method of said collapsible drum.

Description

technical field [0001] The invention relates to a rolling mill matching equipment. Specifically, it is a seamless full-hydraulic expansion and contraction reel used to wind up the strip when rolling the strip. Background technique [0002] It is known in the plate processing industry that after the rolling of the plate is completed with a rolling mill, the coiled plate needs to be taken off from the reel. Therefore, the diameter of the reel is required to have expansion and contraction functions. At present, the expandable and shrinkable reels used in rolling mills are all traditional reels. This traditional reel contains a main shaft with an axial center hole in the main shaft. There is a moving shaft in the center hole. There is a connecting plate at the front end of the moving shaft. The diameter of the plate is larger than that of the main shaft, which is connected to the front end of the axial tooth plate by means of screws. The section of the front end of the main s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C47/30
Inventor 孙大南
Owner 朱惠兴
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