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Light curtain measurement transceiver focusing lens locking device

A focusing lens and locking device technology, applied in the field of measurement, can solve problems affecting measurement accuracy and achieve the effect of eliminating the effect of thermal expansion and contraction

Pending Publication Date: 2017-05-17
柳州科路测量仪器有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a light curtain measurement transceiver focusing lens locking device, which can solve the problem of affecting measurement accuracy due to thermal expansion and contraction

Method used

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  • Light curtain measurement transceiver focusing lens locking device
  • Light curtain measurement transceiver focusing lens locking device
  • Light curtain measurement transceiver focusing lens locking device

Examples

Experimental program
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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

[0014] figure 1 , figure 2 , image 3 and Figure 4 The light curtain measurement transceiver focusing lens locking device shown includes a box-shaped body 1, which is divided into 4 chambers by a partition 2. The chambers are horn-shaped with a large top and a small bottom. Each chamber The bottom of each body is provided with limiting holes 3, and the upper part of the body 1 is connected with the lens sheet 4 through a fixing pin 5. Set the limiting hole 3 on the transmitter and receiver. Since this device limits and fixes the focus lens positions of the transmitter and receiver, the focus lens positions of the transmitter and receiver will not be changed due to temperature changes. offset. The shape of the chamber is set as a trumpet shape with a large top and a small bottom, which is set according to the requirements of the optical path. Lens...

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Abstract

The invention discloses a light curtain measurement transceiver focusing lens locking device and relates to the technical field of measurement; the light curtain measurement transceiver focusing lens locking device comprises a box body divided into a plurality of chambers by partitions; the bottom of each chamber is provided with a limiting hole. By using the light curtain measurement transceiver focusing lens locking device, the problem that thermal expansion affects measurement precision can be solved.

Description

technical field [0001] The invention relates to the technical field of measurement, in particular to a locking device for a focus lens of a transmitter and receiver used for light curtain measurement. Background technique [0002] At present, there is a length light curtain measuring device. One side of the device is a transmitter, and the other side is a receiver. When the measured object passes through the measuring device, the length measurement can be completed; although this measurement method can solve the problems of manual measurement. The problem of large measurement errors, but there are still defects. Due to the change of ambient temperature, the phenomenon of thermal expansion and contraction will cause the focus of the focus lens of the transmitter and receiver to shift, which affects the measurement accuracy, or even cannot be measured. Contents of the invention [0003] The purpose of the present invention is to provide a light curtain measurement transceive...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02G02B7/02
CPCG02B7/02G01B11/02
Inventor 贺海林何绍恒胡晓东周小平王溢科陈庆成金熠莫炎燕
Owner 柳州科路测量仪器有限责任公司