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Single bushing-type MC nylon wheel

A technology of nylon wheels and sleeves, which is applied in the direction of instruments, control components, mechanical control devices, etc., can solve problems such as bearing shaking, affecting transmission accuracy and service life, slipping, etc., and achieve the effect of improving the 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

Because it is MC nylon single-cast nylon, and the bearing is a rigid material, the structure of the nylon wheel has no other parts to strengthen and improve, and it cannot ideally meet 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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  • Single bushing-type MC nylon wheel
  • Single bushing-type MC nylon wheel

Examples

Experimental program
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Effect test

Embodiment Construction

[0012] Such as figure 1 As shown, two bearings 2, 3 are placed outside the axle 1 made of rigid material.

[0013] A rigid insert 5 whose outer diameter is not greater than the inner circle of the wheel body 4 is arranged on the inner wall of the wheel body 4 made of MC nylon. An outer end of the insert 5 is provided with a flange side 5-1, and the flange side 5-1 is fixedly connected to one end of the wheel body 4 through a bolt 6.

[0014] Annular grooves 5-2, 5-3 are provided on the inner wall of the inserting sleeve 5 respectively, and retaining rings 7, 8 are respectively supported in the annular grooves 5-2, 5-3, and the two bearings 2, The two outer ends of 3 are respectively limited between the circlips 7 and 8, and a bush 9 is arranged between the two bearings 2 and 3, and the bush 9 is sleeved outside the axle 1.

[0015] Such as figure 2 As shown, two bearings 2', 3' are placed outside the axle 1' made of rigid material.

[0016] In the inner wall of the wheel ...

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Abstract

The invention relates to a single bushing-type MC nylon wheel belonging to a wheel body structure technology used in the fields of elevator industry and hoisting machinery and other fields. The single bushing-type MC nylon comprises a wheel body made of MC nylon and a steel wheel axle concentric with the wheel body; two bearings are arranged between the wheel body and the wheel axle; a steel bushing is arranged among the bearings and the wheel body and provided with a flange edge which is connected with one side of the wheel body by bolts; the inner wall of the bushing is provided with two circular grooves, and two elastic collars are respectively supported inside the two circular grooves; the two bearings are arranged between the two elastic collars, and a lining is arranged between the two bearings and sleeved outside the wheel axle. The invention has the advantages of sliding, deformation and vibration resistance and long service life.

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. Because it is MC nylon single-cast nylon, and the bearing is made of rigid material, the structure of the nylon wheel has no other parts to strengthen and improve, so it cannot ideally satisfy the characteristic difference relationship between MC nylon and the bearing in practical application. 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 mechan...

Claims

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Application Information

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IPC IPC(8): G05G1/12
Inventor 张爱臣
Owner 张爱臣
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