Composite bushing MC nylon wheel

A nylon wheel and sleeve technology, applied in the direction of instruments, control components, mechanical control devices, etc., can solve the problems of bearing shaking, slippage, and can not ideally meet the difference between MC nylon and bearing characteristics, and achieve the effect of improving operating life.

Inactive Publication Date: 2009-10-28
张爱臣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since MC nylon is a plastic material, and the bearing is a steel material, the structure of the nylon wheel has no other parts to strengthen and improve, and it cannot ideally satisfy the characteristic difference relationship between MC nylon and bearings in actual use.
As a result, slipping occurs between the wheel body and the bearing, and the bearing shakes. In addition, the expansion or contraction of MC nylon due to its own characteristics, that is, the increase or decrease in temperature, has adverse effects on the bearing and the overall mechanism, such as the bearing in the hole. Loose or swimming in the medium, affecting the accuracy and service life of the transmission

Method used

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  • Composite bushing MC nylon wheel

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Embodiment Construction

[0014] Such as figure 1 As shown, two bearings 2, 3 and a bushing 4 are placed outside the axle 1 made of rigid material, and the bushing 4 is sandwiched between the two bearings 2, 3.

[0015] Two rigid inserts 6, 7 whose outer diameter is not greater than the inner circle of the wheel body 5 are arranged on the inner wall of the wheel body 5 made of MC nylon. The outer end of the insert 6 is provided with a flange 6-1, and the flange 6-1 is fixedly connected to one end of the wheel body 5 through a bolt 8. The outer end of the insert 7 is provided with a flange 7-1, and the flange 7-1 is fixedly connected to the other end of the wheel body 5 through a bolt 9.

[0016] Ring-shaped grooves 6-2 and 7-2 are respectively provided on the inner walls of the inserts 6 and 7, the bearing 2 is fixed on the inner wall of the insert 6 through the circlip 10 arranged in the groove 6-2, and the bearing 3 is fixed by setting The circlip 11 in the groove 7-2 is fixed on the inner wall of ...

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Abstract

The invention relates to a composite bushing MC nylon wheel belonging to a wheel body structure technology used in the fields of elevator industry and hoisting machinery and other fields. The composite bushing MC nylon wheel comprises a wheel body made of MC nylon and a steel wheel axle concentric with the wheel body; a bearing is arranged between the wheel body and the wheel axle, two steel bushings are arranged on the inner surface of the wheel body and coaxially arranged along the length direction of the wheel body, and another bearing is arranged between one bushing and the wheel axle. The composite bushing MC nylon wheel has the advantages that abrasion and slipping phenomena generated by the direct contact between the MC nylon wheel and the bearing are avoided, the adverse influence of the self characteristics of the MC nylon, such as swelling or shrinking generated by temperature rise or drop, on the bearing and the whole mechanism, i.e. the bearing is loose or moves in a hole, is overcome, vibration generated by the shake of the bearing is stabilized, and the operation service life of the whole mechanism is prolonged.

Description

technical field [0001] The invention relates to the wheel body structure technology used in the elevator industry, hoisting machinery and other fields. Background technique [0002] In the elevator and hoisting machinery industry, a large number of MC nylon materials are now used to make MC nylon wheel bodies, and the wheel bodies are directly connected to the outside of the wheel shaft through bearings. Since MC nylon is a plastic material, and the bearing is a steel material, the structure of the nylon wheel has no other parts to strengthen and improve, and it cannot ideally satisfy the characteristic difference relationship between MC nylon and the bearing in actual use. As a result, slipping occurs between the wheel body and the bearing, and the bearing shakes. In addition, the expansion or contraction of MC nylon due to its own characteristics, that is, the increase or decrease in temperature, has adverse effects on the bearing and the overall mechanism, such as the bea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05G1/12
Inventor 张爱臣
Owner 张爱臣
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