Electric heating device at bottom of gear cover of transmission part of mill

Abstract

The utility model discloses an electric heating device at the bottom of a gear cover of a transmission part of a mill, which comprises a platinum thermal resistor, a temperature controller, a heat preservation box, heat preservation cotton, a heat tracing band, cement and a rubber pad, the platinum thermal resistor is fixed at the bottom of the gear cover through threads, and temperature change of lubricating oil at the bottom of the gear cover is detected in real time; the heat preservation box is an electric heating device shell, heat preservation cotton is laid at the bottom of the heat preservation box, nine pieces of round steel are evenly placed in the heat preservation box, and heat tracing belts are evenly laid on the nine pieces of round steel in an up-down penetrating mode and release heat when powered on. And the temperature controller is connected with the heat tracing band. The temperature of lubricating oil at the bottom of the gear cover can be accurately controlled to be kept within a proper range in a low-temperature environment, the lubricating oil in the gear cover is prevented from being solidified or losing efficacy due to too low temperature, the lubricating oil cannot be solidified and accumulated at the bottom of a gear, and a large gear device can normally operate.

Description

Technical Field

[0001] The utility model relates to an electric heating device at the bottom of a gear cover of a mill transmission part, belonging to the technical field of mills. Background Art

[0002] During the operation of the mill, the required lubricating oil is sprayed onto the working surface of the gear by the spray device, and the excess lubricating oil will flow out from the oil drain port under the gear shield. When the ambient temperature is relatively low, the viscosity of the lubricating oil is high and the fluidity is poor. It will solidify and accumulate at the bottom of the gear shield, affecting the normal operation of the gear. Therefore, a technology that can solve the problem of lubricating oil solidifying and accumulating at the bottom of the gear shield under low temperature conditions is urgently needed. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an electric heating device at the bottom of the gear cover of the mill transmission part in view of the defects of the prior art, so as to prevent the lubricating oil from solidifying and accumulating at the bottom of the gear and ensure the normal operation of the gear of the mill transmission part.

[0004] In order to solve this technical problem, the utility model provides an electric heating device at the bottom of the gear cover of the mill transmission part, comprising a platinum thermal resistor, a temperature controller, an insulation box, insulation cotton, a heating belt, cement and a rubber pad. The platinum thermal resistor is fixed to the bottom of the gear cover by threads to detect the temperature change of the lubricating oil at the bottom of the gear cover in real time; the insulation box is the outer shell of the electric heating device, the insulation cotton is laid on the bottom of the insulation box, nine round steels are placed inside the insulation box, the heating belt is evenly laid on the nine round steels through the upper and lower parts, and releases heat when powered on; the temperature controller is connected to the heating belt, when the lubricating oil temperature is lower than 0°C, the temperature controller controls the heating belt to start and heat the bottom of the gear cover; when the lubricating oil temperature is higher than 30°C, the temperature controller controls the heating belt to turn off and stop heating.

[0005] The platinum thermal resistor is an oil-resistant platinum thermal resistor, which detects the temperature change of the lubricating oil at the bottom of the gear cover in real time.

[0006] The cement fills the interior of the heat preservation box and acts as a medium to transfer heat to the interior of the gear cover while also playing an insulating role.

[0007] The rubber pad is laid on the surface of the cement to isolate or weaken the transmission of the vibration of the gear cover.

[0008] The temperature controller automatically controls the operation of the electric heating device according to the measurement result of the platinum thermal resistor, so that the temperature of the lubricating oil at the bottom of the gear cover is maintained within the set range, ensuring the normal operation of the large gear.

[0009] Beneficial effect: The utility model can accurately control the temperature of the lubricating oil at the bottom of the gear cover to maintain it in an appropriate range in a low temperature environment, avoiding the lubricating oil inside the gear cover from solidifying due to too low temperature or becoming ineffective due to too high temperature. The lubricating oil will not solidify and accumulate at the bottom of the gear, so that the large gear device can operate normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the assembly of the utility model;

[0011] Figure 2 It is a schematic front view of the structure of the utility model;

[0012] Figure 3 It is a schematic top view of the structure of the utility model.

[0013] In the figure: 1. Platinum thermal resistor; 2. Temperature controller; 3. Insulation box; 4. Gear cover; 5. Large gear; 6. Insulation cotton; 7. Heating tape; 8. Cement; 9. Rubber pad. DETAILED DESCRIPTION

[0014] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] like Figure 1-Figure 3 As shown, the utility model provides an electric heating device at the bottom of the gear cover of the mill transmission part, including a platinum thermal resistor 1, a temperature controller 2, an insulation box 3, insulation cotton 6, a heating belt 7, cement 8 and a rubber pad 9. The platinum thermal resistor 1 is fixed to the bottom of the gear cover 4 where the lubricating oil is easy to solidify and accumulate by a thread, and the temperature change of the lubricating oil at the bottom of the gear cover 4 is detected in real time; the insulation box 3 is the shell of the electric heating device, which plays the role of installing and fixing the remaining components; the insulation cotton 6 is laid at the bottom of the insulation box 3 to reduce the heat loss inside the insulation box; nine round steels are placed inside the insulation box 3 to support the heating belt; the heating belt 7 is evenly laid on the nine round steels through the upper and lower parts and releases heat when powered on; the temperature controller 2 is connected to the heating belt 7, when the lubricating oil temperature is lower than 0°C, the temperature controller 2 controls the heating belt 7 to start heating the bottom of the gear cover 4; when the lubricating oil temperature is higher than 30°C, the temperature controller 2 controls the heating belt 7 to turn off and stop heating; the heating belt 7 has a fast heating speed when powered on, is easy to control the temperature, has a simple structure and is easy to maintain.

[0016] The platinum thermal resistor 1 is an oil-resistant platinum thermal resistor, which detects the temperature change of the lubricating oil at the bottom of the gear cover 4 in real time.

[0017] After the thermal insulation cotton 6 and the heating belt 7 are installed, the cement 8 is filled into the thermal insulation box to transfer heat to the inside of the gear cover as a medium, and at the same time plays an insulating role to prevent the heating belt from being damaged and leaking electricity and causing losses.

[0018] The rubber pad 9 is laid on the surface of the cement 8 to isolate or weaken the transmission of the vibration of the gear cover.

[0019] The temperature controller 2 automatically controls the operation of the electric heating device according to the measurement result of the platinum thermal resistor 1, so that the temperature of the lubricating oil at the bottom of the gear cover is maintained within a set range, ensuring the normal operation of the large gear 5.

[0020] In cold weather, when the mill is running, the oil-resistant platinum thermal resistor 1 will monitor the temperature of the lubricating oil inside the gear cover in real time, and transmit the detection result to the intelligent temperature controller 2. The temperature controller 2 controls the on and off heating of the heating belt 7 according to the measurement result of the platinum thermal resistor 1. When the temperature value of the platinum thermal resistor 1 is lower than the set value, the heating belt 7 will be started through the temperature controller 2 for heating; when the temperature value of the platinum thermal resistor 1 is higher than the set value, the heating belt 7 will be turned off through the intelligent temperature controller 2. The temperature of the lubricating oil at the bottom of the gear cover can be accurately controlled to remain in an appropriate range, so as to prevent the lubricating oil inside the gear cover from solidifying due to too low temperature or failing due to too high temperature.

[0021] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. An electric heating device for the bottom of the gear cover of a mill transmission part, characterized in that: The invention comprises a platinum thermal resistor (1), a temperature controller (2), a heat preservation box (3), heat preservation cotton (6), a heating belt (7), cement (8) and a rubber pad (9). The platinum thermal resistor (1) is fixed to the bottom of a gear cover (4) by means of a thread, and detects the temperature change of the lubricating oil at the bottom of the gear cover (4) in real time. The heat preservation box (3) is the outer shell of an electric heating device. The heat preservation cotton (6) is laid at the bottom of the heat preservation box (3). Nine round steels are placed inside the heat preservation box (3). The heating belt (7) is evenly laid on the nine round steels and is interlaced up and down, and releases heat when powered on. The temperature controller (2) is connected to the heating belt (7). When the temperature of the lubricating oil is lower than 0°C, the temperature controller (2) controls the heating belt (7) to start heating the bottom of the gear cover (4); when the temperature of the lubricating oil is higher than 30°C, the temperature controller (2) controls the heating belt (7) to turn off and stop heating.

2. The electric heating device for the bottom of the gear cover of the mill transmission part according to claim 1 is characterized in that: The platinum thermal resistor (1) is an oil-resistant platinum thermal resistor, and detects the temperature change of the lubricating oil at the bottom of the gear cover (4) in real time.

3. The electric heating device for the bottom of the gear cover of the mill transmission part according to claim 1 is characterized in that: The cement (8) fills the interior of the heat preservation box (3) and acts as a medium to transfer heat to the interior of the gear cover (4), while also playing an insulating role.

4. The electric heating device for the bottom of the gear cover of the mill transmission part according to claim 1 is characterized in that: The rubber pad (9) is laid on the surface of the cement (8) to isolate or weaken the transmission of vibration of the gear cover (4).

5. The electric heating device for the bottom of the gear cover of the mill transmission part according to any one of claims 1 to 4, characterized in that: The temperature controller (2) automatically controls the operation of the electric heating device according to the measurement result of the platinum thermal resistor (1), so that the temperature of the lubricating oil at the bottom of the gear cover is maintained within a set range, thereby ensuring the normal operation of the large gear (5).

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