Hydraulic horn for explosion-proof forklift
A hydraulic and horn technology, applied in the direction of the lifting device, etc., can solve the problems of driver fatigue, electric horns are not suitable for explosion-proof vehicles, and affect the working effect of electric horns, so as to achieve the effect of no safety hazards
Active Publication Date: 2016-04-06
HANGCHA GRP +1
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Problems solved by technology
[0002] Explosion-proof vehicles mostly work in flammable and explosive gas or dust environments. Explosion-proof vehicles require that the circuit is not easy to generate electric sparks when working, and the current in the electric horn is changing when the existing electric horn is working. The current can easily cause the conductor to form an induction The electromotive force causes sparks, and the moving film vibrates when the horn sounds, and the explosion-proof treatment of the horn will affect the working effect of the electric horn, so the electric horn is not suitable for use on explosion-proof vehicles; now some explosion-proof vehicles use air horns instead of electric horns , this is a more reliable and effective method for explosion-proof vehicles with their own air source, but for explosion-proof forklifts without their own air source, it is necessary to add an additional air source or use a manual air source, adding an additional air source will increase the cost and After the engine explosion-proof equipment is added to the explosion-proof engine compartment, it is difficult to add an air source in a small space. Using a manual air source will increase the workload of the driver and make the driver prone to fatigue. Driving an explosion-proof forklift requires the driver to be highly concentrated, so adding a manual The air source is not a good solution, so using an air horn is not a good method for explosion-proof forklifts
Method used
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Embodiment 1
[0020] Embodiment 1, Figure 1 to Figure 9 A hydraulic horn for an explosion-proof forklift is provided, which includes a housing 2, a sounding chamber 7 is installed in the housing 2, and the housing 2 and the sounding chamber 7 are fixed by a nut 6. A reed 8 is provided inside the acoustic cavity 6; an end cover 1 and a bell mouth 5 are installed on the outside of the shell 2, and the end cover 1 and the bell mouth 5 are fixed to the shell 2 through a special-shaped nut 4; the shell body 2, one end is provided with an inlet 3 and the other end is provided with an outlet 9, the inlet 3 and the outlet 9 are provided with external threads, the middle of the housing 2 is provided with a hollow spherical housing 73, and the hollow spherical housing 73 Two bosses 71 are arranged on the outer surface, and the bosses 71 are symmetrically arranged on both sides of the housing 2. The bosses 71 are provided with a through hole 72, and the through hole 72 runs through the hollow spheric...
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The invention discloses a hydraulic horn for an explosion-proof forklift. The hydraulic horn for the explosion-proof forklift comprises a shell (2); a sound cavity (7) is formed in the shell (2); the shell (2) is fixed with the sound cavity (7) through a nut (6); a reed (8) is arranged in the sound cavity (6); and an end cover (1) and a horn mouth (5) are mounted out of the shell (2), and are fixed with the shell (2) through special-shaped screw caps (4).
Description
technical field [0001] The invention relates to a horn for explosion-proof vehicles, in particular to a hydraulic horn for explosion-proof forklifts. Background technique [0002] Explosion-proof vehicles mostly work in flammable and explosive gas or dust environments. Explosion-proof vehicles require that the circuit is not easy to generate electric sparks when working, and the current in the electric horn is changing when the existing electric horn is working. The current can easily cause the conductor to form an induction The electromotive force causes sparks, and the moving film vibrates when the horn sounds, and the explosion-proof treatment of the horn will affect the working effect of the electric horn, so the electric horn is not suitable for use on explosion-proof vehicles; now some explosion-proof vehicles use air horns instead of electric horns , this is a more reliable and effective method for explosion-proof vehicles with their own air source, but for explosion-...
Claims
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IPC IPC(8): B66F9/075
CPCB66F9/07504
Inventor 陈伟强李其朋宋德玉胥乐乐
Owner HANGCHA GRP