Isolating block for slewing bearing

A technology of slewing bearings and isolation blocks, which is applied in the field of isolation blocks for slewing bearings, can solve problems such as aging or brittleness, low service life, and unstable operation of slewing bearing products, and achieve the effect of improving color and service life

Inactive Publication Date: 2016-01-13
安徽省宁国顺昌机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The material of the isolation block for slewing ring products is nylon 1010 (the metal material isolation block with special requirements does not belong to the scope of this statement), and it can be used under heavy load conditions (strong axial load, radial load and overturning moment) and harsh environments ( Under the condition of extreme high temperature or extreme low temperature), this type of isolation block will have adverse phenomena such as crushing, aging or embrittlement, which will cause sticking between rolling elements (steel ball + isolation block), resulting in unstable operation of slewing bearing products and low service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1 is a spacer for slewing bearings. The spacer is based on the main component of the raw material nylon 1010, and 5% of short-wave fibers are added. The product is obtained after constant temperature treatment at 40-60°C; the sizing agent is a polyester resin film-forming agent, and the short-wave fiber is a micron-sized alkali-free glass fiber.

Embodiment 2

[0014] Embodiment 2 A spacer for a slewing bearing. The spacer is based on the main component of the raw material nylon 1010, and 20% of short-wave fibers are added. The product is obtained after constant temperature treatment at 40-60°C; the sizing agent is a polyester resin film-forming agent, and the short-wave fiber is a micron-sized alkali-free glass fiber.

Embodiment 3

[0015] Embodiment 3 An isolating block for slewing bearings, the said isolating block is based on the main component of the raw material nylon 1010, and 10% of short-wave fibers are added. The product is obtained after constant temperature treatment at 40-60°C; the sizing agent is a polyester resin film-forming agent, and the short-wave fiber is a micron-sized alkali-free glass fiber.

[0016] The tensile strength is 146MPa, the impact strength is 10kJ / m, and the bending strength is 194mpa.

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PUM

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Abstract

The invention discloses an isolating block for a slewing bearing. According to the isolating block, 5-20% of short-wave fibers are added on the basis of an original main material, namely, nylon 1010, an isolating block part is dipped into a dipping agent solution to be treated for 5-8 h at the constant temperature of 40-60 DEG C after being machined and formed, and then the product is obtained. The shock resistance, the ageing resistance, the brittle rupture resistance and other capacities of the isolating block for the slewing bearing are improved; by the novel design of the isolating block, it is ensured that the slewing bearing operates stably, and the service life of the slewing bearing is prolonged.

Description

technical field [0001] The invention relates to the technical field of slewing supports, in particular to an isolation block for slewing supports. Background technique [0002] The slewing bearing product is composed of the main parts outer ring, inner ring, rolling body (steel ball + spacer block) and auxiliary parts blockage, taper pin, sealing strip, oil cup, etc.; the rolling body part is continuously separated by steel balls and spacer blocks Composition, the isolation block undertakes the following functions: avoiding the continuous pressure of the steel balls on the inner and outer ring raceways; avoiding the mutual friction between the steel balls; providing enough storage space for the grease. The material of the isolation block for slewing ring products is nylon 1010 (the metal material isolation block with special requirements does not belong to the scope of this statement), and it can be used under heavy load conditions (strong axial load, radial load and overtur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L67/00C08K7/14
CPCC08L77/06C08L67/00C08K7/14
Inventor 李海波姚燕超喻鹏
Owner 安徽省宁国顺昌机械有限公司
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