Tunnel ventilator

A technology of tunnel ventilation and ventilation device, applied in the field of wind machinery, can solve problems such as tunnel collapse, and achieve the effects of convenient operation, reduced probability of resonance, and simple structure

Inactive Publication Date: 2019-01-29
姚莉萍
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  • Abstract
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Problems solved by technology

[0002] When excavating tunnels, ventilators are often used to ventilate the tunnels and discharge harmful gases in the tunnels. However, the inner walls of the tunnels have not been reinforced, and excessive ventilation may easily cause resonance, which may cause tunnel collapse and other accidents, posing safety hazards. Therefore, the design A safe tunnel fan that can generate irregular wind direction is really necessary. The device of the invention can not only manually adjust the wind speed, but also continuously change the wind direction, reduce the generation of wind in the same direction, and make the generated wind closer to natural wind. Reduce the probability of resonance in the tunnel and improve the safety of tunnel operations

Method used

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Embodiment Construction

[0016] Combine below Figure 1-5 The present invention is described in detail, and for convenience of description, the orientations mentioned below are now stipulated as follows: figure 1 The up, down, left, right, front and back directions of the projection relationship itself are the same.

[0017] refer to Figure 1-5 , a tunnel ventilator according to an embodiment of the present invention, comprising a base 11, the upper end of the base 11 is provided with a ventilation device, and a switching transmission device is provided in the base 11, and the switching transmission device includes a switching structure and a transmission structure , the switching structure includes a transmission chamber 14 arranged in the base 11, a high-speed driving spur gear 15 is rotatably arranged in the transmission chamber 14, and a motor 12 is fixedly arranged in the inner wall of the lower side of the transmission chamber 14, The lower end of the high-speed driving spur gear 15 is dynami...

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Abstract

The invention discloses a tunnel ventilator, which includes a base. A ventilation device is arranged at the upper end of the base, the base is internally provided with a switching and variable speed device, the switching and variable speed device includes a switching structure and a variable speed structure, the switching structure comprises a variable speed cavity formed in the base, a high-speeddriving straight gear is rotatably arranged in the variable speed cavity, a motor is fixedly arranged in the inner wall of the lower side of the variable speed cavity, the lower end of the high-speeddriving straight gear is connected to the motor through a motor shaft in a power fit mode, and the upper end of the high-speed driving straight gear is fixedly connected with a low-speed driving straight gear through a fixing connecting shaft. According to the tunnel ventilator, operation is easy, use is convenient, not only can the wind speed be manually adjusted, but also the wind direction canbe changed, the probability that wind in the same direction resonates in a tunnel is reduced, and safety of tunnel operation is improved.

Description

technical field [0001] The invention relates to the field of wind power machinery, in particular to a tunnel ventilator. Background technique [0002] When excavating tunnels, ventilators are often used to ventilate the tunnel and discharge harmful gases in the tunnel. However, the inner wall of the tunnel has not been reinforced, and excessive ventilation may easily cause resonance, which will cause tunnel collapse and other accidents, and there are potential safety hazards. Therefore, the design A safe tunnel fan that can generate irregular wind direction is really necessary. The device of the invention can not only manually adjust the wind speed, but also continuously change the wind direction, reduce the generation of wind in the same direction, and make the generated wind closer to natural wind. Reduce the probability of resonance in the tunnel and improve the safety of tunnel operations. Contents of the invention [0003] The technical problem to be solved by the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/06F04D27/00E21F1/00
CPCF04D25/06E21F1/00F04D27/002F04D27/004
Inventor 姚莉萍
Owner 姚莉萍
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