Voice acousto-optic signal protection device for mine
By designing a protective shell and cover on the sound and light signal device used in the mine, combined with the structure of limit blocks and fixing pins, the problem of device damage caused by falling ore was solved, and the device was protected and easy to maintain.
CN223957747UActive Publication Date: 2026-02-27HEBI WANXIE ELECTRIC CO LTD
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Patent Information
- Application Number
- CN202423322250.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Technical Problem
Existing audible and visual signaling devices used in mines lack protection, making them prone to damage when ore falls, thus affecting normal operation.
Method used
A structure including a protective shell, a protective cover, an adjusting column, and a positioning sleeve was designed. The protective cover forms a protective space to block falling ore, and the detachable protective cover facilitates maintenance. The limit block, fixing pin, and pushing pin are used to achieve quick installation and disassembly.
Benefits of technology
It effectively prevents ore from damaging the components of the audio-visual signal device, ensuring normal operation, and is easy to disassemble and maintain.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN223957747U_ABST
Abstract
The utility model discloses a voice acousto-optic signal protection device for a mine, which belongs to the technical field of signal boxes and comprises a mounting plate and a protective shell arranged below the mounting plate and used for transmitting voice acousto-optic signals for the mine, a fixed sleeve is fixed at the bottom of the mounting plate, a connecting sleeve is in threaded connection with the fixed sleeve, and the connecting sleeve is in threaded connection with the mounting plate. An adjusting column is movably connected into the connecting sleeve, a protective cover is movably connected to the outer portion of the adjusting column, a positioning sleeve is fixed to the bottom of the adjusting column, a positioning seat fixedly connected with the shell is movably connected into the positioning sleeve, and a fixing spring is arranged in the positioning seat; limiting blocks movably connected with the positioning seat are arranged on the two sides of the fixing spring, and fixing pins are fixed to the opposite faces of the two limiting blocks. The voice acousto-optic signal protection device for the mine has a protection function, the protection cover and the protection shell are convenient to disassemble and assemble, and later maintenance is convenient.
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