一种煤矿综采工作面防护装置
By using a protective device consisting of U-shaped plates and L-shaped bends in the fully mechanized coal mining face, the problems of messy cable or pipeline placement and wear were solved, enabling smooth movement of cables or pipelines and extending their service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI JINMEI GRP ZHAOZHUANG COAL IND CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-17
AI Technical Summary
In existing protective devices for fully mechanized coal mining faces, cables or pipelines are often misplaced and easily tangled, and are prone to jamming and wear when moved.
The protective device consists of multiple U-shaped plates and detachable L-shaped bends, combined with a limiting plate and pulley structure. Through multi-channel separation and limiting, it avoids cable entanglement and reduces wear.
It enables smooth separation and protection of cables or pipelines during movement, extending their service life.
Smart Images
Figure CN224515236U_ABST
Abstract
Claims
1. A protective device for a fully mechanized coal mining face, comprising multiple U-shaped plates (1), characterized in that: The U-shaped plate (1) is provided with a connecting plate (2) on the outer side wall. A limit bolt (3) is inserted under the connecting plate (2). A detachable L-shaped bend (4) can be provided between the two U-shaped plates (1). The bend (4) has a U-shaped cross section. Multiple L-shaped partition plates (5) are evenly provided inside the bend (4). The inner wall of the U-shaped plate (1) is provided with opposing front-to-back through grooves (6), and a limiting plate (7) is provided in the through groove (6) for sliding up and down. Multiple springs (8) are connected between the limiting plate (7) and the inner wall below the through groove (6).
2. The coal mine fully mechanized mining face protection device according to claim 1, characterized in that: The U-shaped plate (1) has slots (9) at both ends on the horizontal side, and the bent pipe (4) has insert plates (10) at both ends that fit into the slots (9).
3. The coal mine fully mechanized mining face protection device according to claim 1, characterized in that: The partition plate (5) is made of flexible rubber.
4. The coal face protection device according to claim 1, characterized in that: The upper end of the limiting plate (7) is provided with a plurality of rectangular grooves (11) evenly arranged in the left and right directions, and a plurality of pulleys (12) are provided between the left and right inner walls of the rectangular grooves (11).
5. The coal face protection device according to claim 1, characterized in that: The connecting plate (2) has a semi-circular cross-section and is connected to the U-shaped plate (1) on its horizontal side.
6. The coal face protection device according to claim 1, characterized in that: The lower front and rear corners of the U-shaped plate (1) are rounded.