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Reinforcing ring for reversing device and preparation method thereof

A technology for reinforcing rings and commutators, applied in the field of commutators, can solve problems such as affecting the service life of the commutator, shortening the use of reinforcing rings, losing fixing effect, etc., to prevent mutual slippage and wear, and improve heat resistance. , the effect of improving flexibility

Inactive Publication Date: 2016-03-23
HUARUI ELECTRICAL APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The commutator reinforcement ring is installed in the groove of the commutator segment. While it plays a fixing role, it needs to effectively ensure its strength, heat resistance and wear resistance. The existing reinforcement ring has the following technical problems: 1. Its strength is low, and it cannot bear the impact brought by the commutator when it is working, causing the reinforcement ring to be fragile during the operation of the commutator; 2. Its wear resistance is poor, and the gap between the commutator segment and the reinforcement ring Friction can cause the reinforcement ring to wear down gradually and thus lose its fixing effect; these factors shorten the life of the reinforcement ring and greatly affect the service life of the entire commutator

Method used

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  • Reinforcing ring for reversing device and preparation method thereof
  • Reinforcing ring for reversing device and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] S1, take 55 parts by weight of bisphenol A epoxy resin and put it into a baking oven to preheat first, the preheating temperature is 60 degrees, and stop after preheating for 5 minutes;

[0047] S2. After the viscosity of the epoxy resin drops, take 15 parts by weight of the curing agent and add it to the bisphenol A epoxy resin, and then fully stir to fully integrate the bisphenol A epoxy resin and the curing agent to obtain a mixed liquid;

[0048] S3, heating the prepared mixed liquid, the heating temperature is 80 degrees, and the heating time is 2 minutes;

[0049]S4. During the heating process, sequentially add 3 parts by weight of a toughening agent, 5 parts by weight of a heat-resistant modifier and 4 parts by weight of a lubricant, and fully stir it to obtain a mother liquor;

[0050] S5, immerse 5 parts by weight of glass fiber and 5 parts by weight of aramid fiber in the mother liquor, fully stir for 3 minutes, make the glass fiber and aramid fiber evenly di...

Embodiment 2

[0054] S1. Take 65 parts by weight of TDE85 epoxy resin and put it into a baking oven to preheat, the preheating temperature is 65 degrees, and stop after preheating for 7 minutes;

[0055] S2. After the viscosity of the TDE85 epoxy resin drops, take 25 parts by weight of the curing agent and add it to the epoxy resin, and then fully stir to fully integrate the TDE85 epoxy resin and the curing agent to obtain a mixed liquid;

[0056] S3, heating the prepared mixed liquid, the heating temperature is 90 degrees, and the heating time is 2.5 minutes;

[0057] S4. During the heating process, sequentially add 6 parts by weight of a toughening agent, 8 parts by weight of a heat-resistant modifier and 6 parts by weight of a lubricant, and fully stir it to obtain a mother liquor;

[0058] S5. Immerse 10 parts by weight of glass fiber and 8 parts by weight of aramid fiber in the mother liquor, fully stir for 3-5 minutes, so that the glass fiber and aramid fiber are evenly distributed, a...

Embodiment 3

[0062] S1. Take 75 parts by weight of bisphenol A type epoxy resin and put it into a baking oven to preheat first. The preheating temperature is 70 degrees, and stop after preheating for 8 minutes;

[0063] S2. After the viscosity of the epoxy resin drops, take 30 parts by weight of the curing agent and add it to the bisphenol A epoxy resin, and then fully stir it to fully integrate the bisphenol A epoxy resin and the curing agent to obtain a mixed liquid;

[0064] S3, heating the prepared mixed liquid, the heating temperature is 100 degrees, and the heating time is 3 minutes;

[0065] S4. During the heating process, sequentially add 8 parts by weight of a toughening agent, 10 parts by weight of a heat-resistant modifier and 7 parts by weight of a lubricant, and fully stir it to obtain a mother liquor;

[0066] S5, immerse the glass fiber and the aramid fiber in the mother liquor, fully stir for 5 minutes, so that the glass fiber and the aramid fiber are evenly distributed, s...

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Abstract

The invention provides a reinforcing ring for a reversing device and belongs to the technical field of reversing devices. The reinforcing ring solves the technical problems that an existing reversing device is low in strength and poor in abrasion resistance. According to the technical scheme, the reinforcing ring for the reversing device comprises an annular body which is prepared from, by weight, 55-75 parts of epoxy resin, 5-15 parts of non-alkali glass fibers, 5-10 parts of aramid fibers, 15-30 parts of a curing agent, 3-8 parts of a toughening agent, 5-10 parts of a heat-resistant modifying agent and 4-7 parts of a lubricating agent. The reinforcing ring for the reversing device has the advantages that the glass fibers and the aramid fibers are added, so that the mechanical strength of the reinforcing ring is improved; meanwhile, the toughening agent is added, so that the toughness of the reinforcing ring is improved to a certain extent, and the reinforcing ring is not prone to breakage; the lubricating agent is added, so that the abrasion resistance of the reinforcing ring is improved, the reinforcing ring is not prone to abrasion, the integrality of the reinforcing ring is guaranteed to a certain extent; the heat-resistant modifying agent is added, so that the heat resistance of the reinforcing ring is improved, and the reinforcing ring can work in a high-temperature environment for a long time.

Description

technical field [0001] The invention belongs to the technical field of commutators, and relates to a reinforcing ring for a commutator and a preparation method thereof. Background technique [0002] The commutator reinforcement ring is a ring used for fixing and insulating in the commutator, which increases the mechanical strength of the commutator as a whole and avoids deformation of the commutator during use. [0003] The commutator reinforcement ring is installed in the groove of the commutator segment. While it plays a fixing role, it needs to effectively ensure its strength, heat resistance and wear resistance. The existing reinforcement ring has the following technical problems: 1. Its strength is low, and it cannot bear the impact brought by the commutator when it is working, causing the reinforcement ring to be fragile during the operation of the commutator; 2. Its wear resistance is poor, and the gap between the commutator segment and the reinforcement ring Frictio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L77/10C08K9/02C08K7/14
CPCC08L63/00C08K2201/003C08K2201/004C08L2201/08C08L2205/16C08L77/10C08K9/02C08K7/14
Inventor 赵吉峰许刚位曾兵王建国朱晓琴
Owner HUARUI ELECTRICAL APPLIANCE
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