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A test device capable of accurately measuring the rotation angle of the nozzle

A technology of rotation angle and test device, which is applied in the direction of angle/taper measurement, etc., can solve the problems of no literature reports, etc., and achieve the effect of simple structure, convenient replacement and strong operability

Active Publication Date: 2017-01-11
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After searching, there is currently no relevant literature report

Method used

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  • A test device capable of accurately measuring the rotation angle of the nozzle
  • A test device capable of accurately measuring the rotation angle of the nozzle
  • A test device capable of accurately measuring the rotation angle of the nozzle

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Experimental program
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Effect test

Embodiment Construction

[0018] Such as figure 1 — Figure 5 As shown, the present invention includes a positioning connection sleeve 1, a protractor 2, a long pointer 3, a nozzle collar 4, a nozzle pipe 5, an external thread 6, a positioning hole a 7, an inner diameter 8, an internal thread 9, a positioning hole b 10 and Install the standpipe 11, wherein the positioning connection sleeve 1 and the installation riser 11 are connected with screws using positioning holes a7, and the positioning holes a7 are evenly distributed on the side of the positioning connection sleeve 1, and keep the positioning connection sleeve 1 and the installation standpipe in the same position. On the same center line; the inner diameter 8 of the positioning connection sleeve 1 is slightly larger than the outer diameter of the installation standpipe, and the screw is adjusted so that the positioning connection sleeve 1 is fixed on the installation standpipe. The internal thread hole 9 of the protractor 2 is connected with t...

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PUM

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Abstract

The invention relates to a test device capable of accurately measuring a nozzle rotation angle. The device comprises a spraying pipe and a mounting vertical pipe. A spraying head sleeve ring is sleeved on the spray head pipe. A long pointer is fixed on the spraying head sleeve ring. A positioning connection sleeve is sleeved on the mounting vertical pipe. An angulometer is fixed at one side of the positioning connection sleeve corresponding to the spraying head sleeve ring. The arrow of the long pointer is vertically directed to the scale at the surface of the angulometer. The test device has the advantages that the measurement device has the advantages of simple structure, convenient replacement and strong operability, and the rotation angle of the spraying head can be accurately measured in the rotation process of the spraying head.

Description

technical field [0001] The invention belongs to a key test device in the performance measurement of a sprinkler head in a water-saving irrigation sprinkler irrigation system, in particular to a test device capable of accurately measuring the rotation angle of a sprinkler head. Background technique [0002] Sprinkler irrigation is an advanced irrigation technology that has been widely used in agricultural irrigation all over the world in recent years. The sprinkler head is the key equipment that affects the quality of sprinkler irrigation. There are various types of nozzles, and rotary nozzles such as rocker nozzles and full-jet nozzles are widely used. The feature of this type of nozzle is that it does not rotate continuously during the rotation process, but is intermittently rotated by the driving force. During the rotation process of the nozzle, the step angle of the nozzle is an important parameter to measure the performance of the nozzle, which provides an important ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/24
Inventor 刘俊萍袁寿其李红朱兴业
Owner JIANGSU UNIV