Lubricating and heating device for pinion bearing of mill
The heating device for mill gear wheel bearings maintains lubricating oil temperature within a specified range, addressing the issue of solidification and ensuring normal operation under low temperatures.
Patent Information
- Application Number
- CN202422488425.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Under low temperature environment, grinder pinion bearing lubricating oil solidifies and accumulates at the bottom of the bearing seat, affecting the normal operation of the equipment, and the existing technology cannot effectively solve it.
A heating device including a temperature controller, an electric heating device, a platinum thermal resistor and a bearing seat is designed. The temperature changes are detected through the platinum thermal resistance, the operation of the electric heating device is controlled, the lubricant oil is kept in the set temperature range, and the heat loss is reduced by using thermal insulation cotton and a heat tray to ensure that the lubricant does not solidify.
In low temperature environment, prevent lubricating oil from solidifying, ensure the normal operation of the mill pinion bearing, and extend the service life of the equipment.
Smart Images
Figure CN223105799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a lubricating and heating device for a pinion bearing of a mill, belonging to the technical field of mill lubrication. Background Art
[0002] When the pinion of the mill rotates at a high speed, the pinion bearing can stably bear axial and radial loads, and at the same time reduce the heat and wear generated by friction; bearing lubrication can not only reduce bearing friction and cool the bearing, but also protect the bearing and extend the service life of the bearing. In the actual operation of the equipment, when the ambient temperature is relatively low, due to the high viscosity and poor fluidity of the lubricating oil, it will solidify and accumulate at the bottom of the bearing seat, affecting the normal operation of the bearing, causing equipment operation failures and affecting normal production. Therefore, there is an urgent need for a technology that can solve the problem of solidification and accumulation of lubricating oil at the bottom of the bearing seat under low temperature conditions. Summary of the Invention
[0003] The technical problem to be solved by the utility model is to provide a heating device for lubricating the pinion bearing of a mill to ensure the normal operation of the pinion bearing device of the mill in a low-temperature environment in view of the defects existing in the prior art.
[0004] To solve this technical problem, the utility model provides a heating device for lubricating the pinion bearing of a mill, which includes a temperature controller, an electric heating device, a platinum thermal resistor and a bearing seat. The electric heating device includes a flange, a heat preservation box, heat preservation cotton, a heating tape and cement. The flange is connected to the heat preservation box by spot welding. The electric heating device is fixed to the bottom of the bearing seat through the flange. The platinum thermal resistor is arranged at the bottom of the bearing seat and above the electric heating device. The temperature controller is connected to the platinum thermal resistor. The temperature controller controls the operation or shutdown of the electric heating device according to the measurement result of the platinum thermal resistor and controls the temperature of the lubricating oil of the pinion bearing to be kept within a set range.
[0005] The heat preservation cotton is laid at the bottom of the heat preservation box to reduce heat loss inside the heat preservation box.
[0006] The heating tape is laid up and down and interspersed on the round steel, and the heating tape generates heat when the electric heating device is powered on.
[0007] The cement fills the inside of the heat preservation box provided with heat preservation cotton and a heating tape.
[0008] The platinum thermal resistor is fixed to the bearing seat through a threaded structure and is used to detect the change of the lubricating oil temperature at the bottom of the bearing seat.
[0009] The platinum thermal resistor is an oil-resistant resistor.
[0010] The temperature controller is an intelligent digital display controller.
[0011] Beneficial effects: The utility model ensures that the lubricating oil of the pinion bearing of the mill will not solidify and accumulate at the bottom of the bearing seat in a low-temperature environment, enabling the normal operation of the pinion bearing device. Description of the drawings
[0012] Figure 1 is a schematic structural diagram of the utility model;
[0013] Figure 2 is a schematic structural diagram of the electric heating device of the utility model.
[0014] In the figure: 1, temperature controller; 2, electric heating device; 3, platinum thermal resistor; 4, bearing seat; 5, bearing cover; 6, flange; 7, heat preservation box; 8, heat preservation cotton; 9, tracing tape; 10, cement. Specific embodiments
[0015] The following is a specific description of the utility model with reference to the drawings and embodiments.
[0016] As Figure 1 and Figure 2 shown, the utility model provides a heating device for lubricating the pinion bearing of a mill, including a temperature controller 1, an electric heating device 2, a platinum thermal resistor 3 and a bearing seat 4. The electric heating device 2 is fixed at the bottom of the bearing seat 4, and the platinum thermal resistor 3 is arranged at the bottom of the bearing seat 4 (where the bearing lubricating oil is prone to solidify and accumulate, closest to the bottom of the bearing seat), above the electric heating device 2, to detect the temperature change of the lubricating oil at the bottom of the bearing seat 4 in real time. The temperature controller 1 is connected to the platinum thermal resistor 3, and the temperature controller 1 controls the operation or shutdown of the electric heating device 2 according to the measurement result of the platinum thermal resistor 3, and controls the temperature of the lubricating oil of the pinion bearing to be maintained within a set range.
[0017] When the heat preservation cotton 8 is assembled, it is laid at the bottom of the heat preservation box 7 to reduce the heat loss inside the heat preservation box.
[0018] The tracing tape 9 is laid vertically and horizontally on the round steel, and the tracing tape 9 gives out heat when the electric heating device 2 is powered on.
[0019] After the heat preservation cotton 8 and the tracing tape 9 are installed, the cement 10 is poured into the heat preservation box as a medium to transfer heat to the inside of the bearing seat, and at the same time plays an insulating role to prevent losses caused by the tracing tape being damaged and leaking electricity.
[0020] The platinum thermal resistor 3 is fixed on the bearing seat 4 through a threaded structure for detecting the temperature change of the lubricating oil at the bottom of the bearing seat 4.
[0021] The platinum thermal resistor 3 is an oil-resistant resistor.
[0022] The temperature controller 1 is an intelligent digital display controller. When the temperature value of the platinum thermal resistance 3 is lower than the set value, the electric heating device 2 will be started through the temperature controller 1 for heating; when the temperature value of the platinum thermal resistance 3 is higher than the set value, the electric heating device 2 will be turned off through the temperature controller 1 to ensure the normal operation of the pinion bearing device.
[0023] The utility model can accurately control the temperature of the lubricating oil of the pinion bearing to be maintained within the set range, avoid the solidification of the lubricating oil inside the bearing seat due to too low temperature or the invalidation due to too high temperature, and ensure the normal operation of the equipment.
[0024] The above embodiments of the utility model are only examples, not the only ones, and all changes within the scope of the utility model or equivalent to the scope of the utility model are encompassed by the utility model.
Claims
1. A lubricating and heating device for the pinion bearing of a mill, characterized in that: It includes a temperature controller (1), an electric heating device (2), a platinum thermal resistance (3) and a bearing housing (4); the electric heating device (2) includes a flange (6), a heat preservation box (7), heat preservation cotton (8), a heating tape (9) and cement (10). The flange (6) is connected to the heat preservation box (7) by spot welding. The electric heating device (2) is fixed to the bottom of the bearing housing (4) through the flange (6). The platinum thermal resistance (3) is arranged at the bottom of the bearing housing (4) and above the electric heating device (2). The temperature controller (1) is connected to the platinum thermal resistance (3). The temperature controller (1) controls the operation or shutdown of the electric heating device (2) according to the measurement result of the platinum thermal resistance (3) and controls the lubricating oil temperature of the pinion bearing to be maintained within a set range.
2. The lubricating and heating device for the mill pinion bearing according to claim 1, wherein: The heat preservation cotton (8) is laid at the bottom of the heat preservation box (7) to reduce the heat loss inside the heat preservation box (7).
3. The lubricating and heating device for the mill pinion bearing according to claim 1, wherein: The heating tape (9) is laid up and down and interspersed on the round steel. When the electric heating device (2) is powered on, the heating tape (9) generates heat by being powered on.
4. The lubricating and heating device for the mill pinion bearing according to claim 1, wherein: The cement (10) fills the inside of the heat preservation box (7) where the heat preservation cotton (8) and the heating tape (9) are arranged.
5. The lubricating and heating device for the mill pinion bearing according to claim 1, wherein: The platinum thermal resistance (3) is fixed to the bearing housing (4) through a threaded structure and is used to detect the change in the lubricating oil temperature at the bottom of the bearing housing (4).
6. The lubricating and heating device for the mill pinion bearing according to claim 1, wherein: The platinum thermal resistance (3) is an oil-resistant resistor.
7. The lubricating and heating device for the mill pinion bearing according to any one of claims 1-6, characterized in that: The temperature controller (1) is an intelligent digital display controller.