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Speed measurement device for crusher rotor

A speed measuring device and crusher technology, which is applied to devices using optical methods, grain processing, etc., can solve the problems of large vibration amplitude, affecting the service life of the speed measuring device, and large ash, so as to achieve the effect of guaranteed service life

Inactive Publication Date: 2015-09-16
ZUNYI LIXIN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the speed measurement of the rotor of the crusher is generally carried out by installing a conventional speed measurement device. However, the speed measurement of the crusher rotor is special in that the vibration amplitude is relatively large and the ash is large during operation. The large vibration amplitude means that the conventional speed measurement device measures the speed. The effect is seriously affected, and the gray size seriously affects the service life of the speed measuring device

Method used

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  • Speed measurement device for crusher rotor
  • Speed measurement device for crusher rotor
  • Speed measurement device for crusher rotor

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Embodiment Construction

[0016] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.

[0017] like Figure 1 to Figure 3 The crusher rotor speed measuring device shown includes a rotor shaft 11, a rotor 12, a housing 13, an infrared device 21, and a mirror 22; the rotor 12 is fixed on the rotor shaft 11, and the side of the rotor 12 is fixed with a reflective A mirror 22, an infrared device 21 is fixed on the side of the housing 13 corresponding to the rotor axis 11 and the rotor 12; the infrared device 21 is an infrared emitting device and an infrared receiving device, and both the infrared emitting device and the infrared receiving device are facing the reflection mirror 22, and the infrared light emitted by the infrared emitting device is reflected by the reflective mirror 22 and can be received by the infrared receiving device.

[0018] Thus, the rotational speed of the rotor 12 can be easily calculated through ...

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Abstract

The invention provides a speed measurement device for a crusher rotor. The speed measurement device comprises a rotor center shaft, a rotor, a shell, infrared devices and a reflective mirror, wherein the rotor is fixed onto the rotor center shaft, the reflective mirror is fixed onto the side of the rotor, the infrared devices are fixed onto one surface, which corresponds to the rotor center shaft and the rotor, of the shell and comprise an infrared emission device and an infrared receiving device which are both just opposite to the reflective mirror, and infrared light emitted from the infrared emission device is reflected by the reflective mirror and then can be received by the infrared receiving device. With the infrared devices, the speed measurement effect cannot be affected by large-amplitude vibration of a crusher during working; with an ash removal element, the speed measurement effect cannot by affected by much ash, and the service life of the speed measurement device can be guaranteed.

Description

technical field [0001] The invention relates to a crusher rotor speed measuring device, which belongs to the technical field of crusher control. Background technique [0002] In the prior art, the speed measurement of the rotor of the crusher is generally carried out by installing a conventional speed measurement device. However, the speed measurement of the crusher rotor is more special in that the vibration amplitude is relatively large and the ash is large during operation. The large vibration amplitude means that the speed measurement of the conventional speed measurement device The effect is seriously affected, and the gray size seriously affects the service life of the speed measuring device. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a crusher rotor speed measuring device, which effectively ensures that the speed measuring effect will not be affected by the large vibration when the crusher is wor...

Claims

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Application Information

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IPC IPC(8): B02C13/26G01P3/36
CPCB02C13/26G01P3/36
Inventor 陈洲邦赵荣刚
Owner ZUNYI LIXIN MACHINERY
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