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Air inlet protection device of local fan

A local ventilation and protective device technology, which is applied to the components of pumping devices for elastic fluids, mechanical equipment, machines/engines, etc., can solve problems such as mechanical damage, accidental injury, and dark working environment, and achieve practicability Strong, easy to disassemble, not easy to deform

Inactive Publication Date: 2016-05-18
SHANDONG HUALIAN MINING
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When tunneling tunnels, tunnels along veins or mines are excavated underground, if the ventilation is not smooth, the working environment will not meet the standard requirements, and it is necessary to install ventilators. Partial ventilators may cause mechanical injuries due to unsafe behaviors of personnel during operation. If there is a problem, it is necessary to install a protective device at the air inlet of the local fan. Most of the existing protective devices are directly welded to the outside of the fan. It is inconvenient to disassemble the fan during maintenance, and the protective device is easily twisted and deformed. The underground working environment is very dark. , the protective device is difficult to attract the attention of the staff, and it is easy to accidentally injure

Method used

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  • Air inlet protection device of local fan

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Embodiment Construction

[0014] Embodiments of the present invention are further described below in conjunction with accompanying drawings:

[0015] Such as figure 1 As shown, the protective device for the air inlet of a local fan includes a protective net 1, and a reinforcing frame 2 fixedly connected with the protective net 1 is arranged around the protective net 1. The protective net 1 is coated with fluorescent powder, and there are 4 reinforcing frames 2 The U-shaped connectors 3 are evenly distributed on the reinforced frame 2, and two handles 4 are arranged on the reinforced frame 2.

[0016] The reinforcement frame 2 adopts sheet metal.

[0017] The protective net 1 is preferably barbed wire.

[0018] The U-shaped connector 3 is welded on the reinforcement frame 2 .

[0019] The handle 4 is provided with a plastic pad.

[0020] There are 4 U-shaped connectors 3 on the protective device, and the protective device can be installed on the local underground fan through the U-shaped connectors ...

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Abstract

The invention specifically relates to an air inlet protection device of a local fan. The air inlet protection device comprises a protective net. The periphery of the protective net is provided with a reinforcing frame which is fixedly connected with the protective net. The protective net is coated with fluorescent powder. The reinforcing frame is provided with at least three U-shaped connecting parts which are evenly distributed on the reinforcing frame. The reinforcing frame is provided with at least two handles. The air inlet protection device is simple in structure, facilitates disassembly of the fan during maintenance, is overall not prone to deformation and can draw attention of workers easily in a dark environment.

Description

technical field [0001] The invention relates to mine safety equipment, in particular to a protective device for an air inlet of a local fan. Background technique [0002] When tunneling tunnels, tunnels along veins or mines are excavated underground, if the ventilation is not smooth, the working environment will not meet the standard requirements, and it is necessary to install ventilators. Partial ventilators may cause mechanical injuries due to unsafe behaviors of personnel during operation. If there is a problem, it is necessary to install a protective device at the air inlet of the local fan. Most of the existing protective devices are directly welded to the outside of the fan. It is inconvenient to disassemble the fan during maintenance, and the protective device is easily twisted and deformed. The underground working environment is very dark. , the protective device is difficult to attract the attention of the staff, and it is easy to accidentally injure. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/70
Inventor 刘太亮齐登军高圣成
Owner SHANDONG HUALIAN MINING
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