Supportive element capable of supporting ball screws with different shaft end size

A technology of ball screw and support unit, which is applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc. It can solve the problems of impact, centering accuracy cannot be guaranteed, and shaft sleeve installation is not accurate, etc., to achieve convenient disassembly, The effect of avoiding loss of precision and simple processing

Active Publication Date: 2013-05-29
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the support unit in this way is relatively simple, but the centering accuracy cannot be guaranteed
When using lead screws with different shaft end sizes, the inaccurate installation of the shaft sleeve will have a great impact on the results of the performance measurement of the lead screw

Method used

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  • Supportive element capable of supporting ball screws with different shaft end size
  • Supportive element capable of supporting ball screws with different shaft end size
  • Supportive element capable of supporting ball screws with different shaft end size

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] A support unit capable of supporting ball screws with different shaft end sizes, including a support seat 1, an inner taper sleeve 2, a spring taper sleeve 3, a lock nut 4, a spacer sleeve 5, a bearing 6, a compression nut 7, and an elastic retainer Ring 8 and threaded sleeve 9;

[0012] The inner taper sleeve 2 is set in the support seat 1, and the positioning surface of the support seat 1 is positioned against the inner taper sleeve 2. The support seat 1 is also provided with a threaded sleeve 9, and the threaded sleeve 9 is fixed on the support seat 1 by screws. The inside of the taper sleeve 2 is provided with a spring taper sleeve 3, which can be accurately centered through the cooperation of the taper surface. The spring taper sleeve 3 is equipped with a bearing 6, and the elastic retaining ring 8 is fastened to the spring taper sleeve 3 by screws. The end face of the circlip 8 axially positions the bearing 6, and the conical surface of the compression nut [7] coo...

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PUM

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Abstract

The invention discloses a supportive element capable of supporting ball screws with different shaft end size and particularly relates to the supportive element capable of supporting ball screws with different shaft end size. The supportive element mainly comprises a pressure nut, a threaded sleeve, an elastic retaining ring, a spring taper sleeve, a bearing, an inner taper sleeve, a supportive seat, an isolation sleeve and a locking nut and is characterized in that after ball screws with different size are replaced, the ball screws can be supported without detaching the supportive seat by replacing the spring taper sleeve, the bearing, the elastic retaining ring, the isolation sleeve and the locking nut. The supportive element capable of supporting ball screws with different shaft end size is compact in structure, high in centering precision, convenient to operate, low in cost and easy to machine.

Description

technical field [0001] The invention belongs to the technical field of screw support, in particular to a support unit capable of supporting ball screws with different shaft end sizes. Background technique [0002] Where a lead screw is used, it is necessary to support the lead screw. In most cases, the lead screw will not be disassembled and installed repeatedly after it is installed, and the lead screw will be disassembled from the support only when the lead screw fails or is overhauled. Even if it is possible to disassemble the screw during its service life, the workload is much smaller than the life of the screw. Therefore, in general, the supporting unit of the screw is similar in structure to the bearing housing of general shaft parts. However, in the test bench where the lead screw is used as the tested component, the use method of the lead screw is very different from the ordinary use method - in order to test the performance of the lead screw of different specifica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/22G01M13/02
Inventor 祖莉冯虎田蔡理欧屹沈凯
Owner NANJING UNIV OF SCI & TECH
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