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Outer ring anti-napping side roller support bearing and eighteen-high mill thereof

A technology for supporting bearings and rough side rolls, which is applied in the direction of metal rolling stands, metal rolling mill stands, metal rolling, etc., and can solve problems such as large running resistance and easy pulling

Pending Publication Date: 2018-11-09
CHANGZHOU CRONOS SPECIAL BEARING MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, provide an outer ring anti-snap side roll support bearing and its 18-high rolling mill, and solve the problem that the outer ring of the side roll support bearing is easy to pick due to high running resistance in the past

Method used

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  • Outer ring anti-napping side roller support bearing and eighteen-high mill thereof
  • Outer ring anti-napping side roller support bearing and eighteen-high mill thereof
  • Outer ring anti-napping side roller support bearing and eighteen-high mill thereof

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Embodiment Construction

[0031] The present invention will be further described in conjunction with specific embodiment now. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.

[0032] Such as Figure 1 to Figure 6 As shown, an outer ring anti-snapping side roller support bearing includes an inner ring shaft 2, a supporting outer ring 1 and a cage 3, and the cage 3 is arranged between the inner wall surface of the supporting outer ring 1 and the outer wall surface of the inner ring shaft 2. The outer ring surface of the cage 3 expands radially outward as a whole, so that a first radial gap M is formed between the outer ring surface of the cage 3 and the inner wall surface of the supporting outer ring 1;

[0033] A number of pockets are provided on the cage 3, and rollers 4 are respectively installed in each pocket, and the pockets form a slit on the out...

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PUM

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Abstract

The invention relates to an outer ring anti-napping side roller support bearing and an eighteen-high mill thereof. The outer ring anti-napping side roller support bearing comprises an inner ring shaft, a support outer ring and a retainer, wherein the retainer is arranged between the inner wall surface of the support outer ring and the outer wall surface of the inner ring shaft; a first radial clearance M is formed between the outer ring surface of the retainer and the inner wall surface of the support outer ring; a plurality of pockets are formed in the retainer, pin rollers are respectively installed in the pockets, and notches are formed in the pockets in the outer surface of the retainer; second radial clearances N are formed between the pin rollers and the notches; the first radial clearance M is less than the second radial clearance N; and a friction contact surface is formed on the outer ring surface of the retainer. The clearance between the retainer and the outer ring is adjusted, so that the support outer ring can make contact with a part of the friction contact surface of the retainer when the support outer ring rotates during operation, the retainer is directly driven torotate by the support outer ring, the drag resistance of the retainer to each pin roller is reduced, and the operating resistance of the whole bearing is reduced.

Description

technical field [0001] The invention relates to an outer ring anti-snabbing side roll support bearing and an 18-high rolling mill thereof. Background technique [0002] In an eighteen-high rolling mill, it includes backup rolls, intermediate rolls, work rolls, and side rolls. Each side roll is matched with two sets of side roll support bearings to roll and cooperate with it to support the side rolls. [0003] When the side roll support bearing is working, its outer ring fits the side roll and rotates. There will be such a problem when it works for a long time. If the running resistance of the side roll support bearing is relatively large, sliding friction will occur between the outer ring and the side roll. Friction roughens the surface of the outer ring, which affects the surface of the side rolls, which in turn affect the work rolls, which ultimately affect the surface of the steel plate to be rolled. [0004] The analysis of the side roller support bearing shows that whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B31/07B21B13/02
CPCB21B13/02B21B31/07
Inventor 周军蒋文俊
Owner CHANGZHOU CRONOS SPECIAL BEARING MFG
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