- 规格:
- 见说明
- 型号:
- 齐全
1. Purpose of mining buffer bed products
. Used for shock absorption and protection of conveyor belts at material loading and dropping points.
.Used together with the guide trough sealing group plate, good sealing effect can be achieved.
2. Product Features of Buffer Bed
. No moving parts, reducing daily maintenance costs.
. The force is evenly distributed and the support area is large, which reduces belt sagging, damage and material loss.
.Absorb impact energy.
. The inclined chamfer can guide the belt smoothly to avoid snagging.
.Suitable for various belt surface widths and angles.
.Can withstand strong impact.
. Quick and simple installation, easy to check and replace.
. Installed at the blanking point of the conveyor belt to extend the belt life.
3. Product characteristics of mining buffer bed
The smooth polyethylene surface minimizes the friction between the conveyor belt and the buffer strip. The thickened polyethylene layer is more widely used and the product is more durable
The front and rear ends of the polyethylene surface layer are both arc-shaped, ensuring that the conveyor belt passes smoothly. The special rubber layer with excellent performance can effectively absorb the impact of falling materials. Each part of the buffer bed is combined by thermal vulcanization to make it compact and firm.
4. Principle of Buffer Bed
Domestic manufacturers choose materials that are in direct contact with the conveyor belt, mainly using three methods: ultra-high molecular weight polyethylene board, polyurethane, and ceramics. Ceramics have good wear resistance, but the friction coefficient is extremely high, which can easily cause scratches, heat, and smoke on the conveyor belt. Highly harmful, the ceramic sheet itself is suitable for lagging of conveyor belt drive rollers in muddy environments.
Use environment and conditions of buffer strips
Polyurethane has good bonding performance and low bonding technology requirements. However, the material is easy to hydrolyze and has poor impact resistance. It is still prone to delamination after long-term use. Phenomenon. Ultra-high molecular weight polyethylene has the lowest friction coefficient and excellent self-lubricating properties, which is convenient for the conveyor belt to pass through. It is very suitable for the surface material of buffer strips in harsh environments, but it has higher requirements for the manufacturer's process
5. Description of metal skeleton
Whether internationally or domestically, there are roughly two ways to fix the buffer strips and the buffer bed frame. One is the steel structure, and the other is the aluminum alloy connecting frame hook. The steel structure is strong and durable, does not deform, and is easy to fix. , will gradually replace aluminum alloy structures. In terms of scope of use, steel structures can be used both underground and above mines. However, aluminum alloy structures are prohibited from using this type of connection mechanism underground both internationally and in my country. Therefore, any company claims that aluminum alloy structures can be used underground. And issuing relevant flame retardant certificates is an act of deceiving consumers. In the domestic market, it is not that manufacturers are unwilling to adopt this kind of steel pole structure, but that there is no such technology. From the perspective of the connection structure, the use of this connection method requires higher bonding performance between rubber and steel structures, and special heat treatment must be used. Vulcanization bonding technology (different from ordinary bonding methods).
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