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Ball nut intermediate diameter measuring structure

A technology of ball nuts and balls, which is applied in the field of ball nut middle diameter measurement structure, can solve problems such as trouble and low efficiency, and achieve the effects of ensuring efficiency, reducing measurement error rate, and facilitating rapid measurement

Inactive Publication Date: 2018-11-16
NANJING TECHN EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Generally, when measuring the middle diameter of a ball nut, it is necessary to measure the size of the outer circle, and then use a micrometer to measure the wall thickness difference. After calculation, this method is very troublesome and inefficient

Method used

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  • Ball nut intermediate diameter measuring structure

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Experimental program
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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings.

[0011] like figure 1 , a ball nut middle diameter measurement structure of the present invention, comprising a micrometer body 1, the micrometer body 1 includes a ruler frame, a measuring drill 11, a measuring rod 12, a fixed sleeve, a differential cylinder 14 and a fine-tuning knob 15, a measuring drill 12 and a fixed sleeve The tubes are all fixed on the ruler frame, the measuring rod 12 is set in the fixed sleeve, the differential tube 14 is sleeved on the fixed sleeve, the fine-tuning knob 15 is set on the outer end surface of the differential tube 14, and the first measuring claw 21 is also included. and the second measuring jaw 22, the first measuring jaw 21 and the second measuring jaw 22 are respectively vertically fixedly connected to the measuring drill 11 and the measuring rod 12, and the first measuring jaw 21 and the second measuring jaw 22 are both It is...

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Abstract

The invention discloses a ball nut intermediate diameter measuring structure, which comprises a micrometer body, wherein a first measuring jaw is vertically and fixed connected on a measuring drill ofthe micrometer body, a second measuring jaw is vertically and fixed connected on a measuring rod of the micrometer body, the first measuring jaw and the second measuring jaw are both of a semi-cylindrical structure with the same size, two first balls are arranged on the outer wall of the first measuring jaw along the axial direction of the first measuring jaw, a second ball is arranged on the outer wall of the second measuring jaw, and the second ball is positioned at the center of the two first balls. The ball nut intermediate diameter measuring structure can reduce measurement and calculation, is convenient for quickly measuring the intermediate diameter of a ball nut, and reduces the measurement error rate while ensuring the efficiency.

Description

Technical field: [0001] The invention relates to a measuring structure for the middle diameter of a ball nut. Background technique: [0002] Generally, when measuring the pitch diameter of a ball nut, it is necessary to measure the size of the outer circle, and then use a micrometer to measure the wall thickness difference. After calculation, this method is very troublesome and inefficient. Invention content: [0003] The present invention provides a pitch diameter measurement structure of a ball nut in order to solve the above-mentioned problems in the prior art. [0004] The technical solutions adopted in the present invention include: a ball nut middle diameter measurement structure, including a micrometer body, and the micrometer body includes a ruler frame, a measuring drill, a measuring rod, a fixed sleeve, a differential cylinder and a fine-tuning knob, and the measuring drill and the fixed sleeve are fixed on the ruler frame, the measuring rod is set in the fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/08
CPCG01B5/08
Inventor 张海栋
Owner NANJING TECHN EQUIP MFG