阅读说明：本技术 一种稀油润滑装置的油箱均匀加热结构 (Oil tank uniform heating structure of thin oil lubricating device ) 是由 李郑凯 万妍 陈志辉 赵纪锋 马一春 郭庶 肖鹏高 权毅 李晓焕 姚阳阳 王焕 于 2021-09-15 设计创作，主要内容包括：一种稀油润滑装置的油箱均匀加热结构,包括一油箱,所述油箱中盛放有润滑油；至少一个搅拌装置,所述搅拌装置包括电机、减速器、与减速器连接并深入油箱内部的传动轴和位于油箱内部在传动轴端部设置的桨叶,桨叶浸入所述润滑油中；至少一个加热装置,所述加热装置浸入所述润滑油中,用于加热油箱内的润滑油；至少一个温度检测仪,用于检测油箱内润滑油的油温；一控制器,所述控制器与所述温度检测仪、电机和加热装置均电连接；该结构使油箱整体均匀加热,降低或消除了局部过热的风险,同时,实现了油箱整体升温,提高了温度检测仪表的测量准确度,使稀油润滑装置尽快投入正常使用。(An oil tank uniform heating structure of a thin oil lubricating device comprises an oil tank, wherein lubricating oil is contained in the oil tank; the stirring device comprises a motor, a speed reducer, a transmission shaft connected with the speed reducer and extending into the oil tank, and a blade positioned in the oil tank and arranged at the end part of the transmission shaft, wherein the blade is immersed in the lubricating oil; at least one heating device immersed in the lubricating oil for heating the lubricating oil in the oil tank; the temperature detector is used for detecting the temperature of lubricating oil in the oil tank; the controller is electrically connected with the temperature detector, the motor and the heating device; the structure enables the whole oil tank to be uniformly heated, reduces or eliminates the risk of local overheating, simultaneously realizes the whole temperature rise of the oil tank, improves the measurement accuracy of the temperature detection instrument, and enables the thin oil lubricating device to be put into normal use as soon as possible.)

1. The utility model provides a thin oil lubricating arrangement's even heating structure of oil tank which characterized in that: comprises that

The oil tank is filled with lubricating oil;

the stirring device comprises a motor, a speed reducer, a transmission shaft connected with the speed reducer and extending into the oil tank, and blades positioned in the oil tank and arranged on the transmission shaft, wherein the blades are immersed in the lubricating oil;

at least one heating device immersed in the lubricating oil for heating the lubricating oil in the oil tank;

the temperature detector is used for detecting the temperature of lubricating oil in the oil tank;

the controller is electrically connected with the temperature detector, the motor and the heating device;

the temperature detector transmits the detected oil temperature to the controller, the controller compares the received signal with a preset temperature, if the received signal is lower than the preset temperature, the controller controls the motor to start, and simultaneously starts the heating device, and stops the motor and the heating device until the oil temperature is not lower than the preset temperature.

2. The oil tank uniform heating structure of the thin oil lubricating device according to claim 1, characterized in that: the number of the stirring devices is two, and the two stirring devices are respectively positioned at the bottom and the side part of the oil tank.

3. The oil tank uniform heating structure of the thin oil lubricating device according to claim 1, characterized in that: the stirring device is vertically arranged, and blades on the stirring device are arranged on the transmission shaft in a multi-layer grading manner.

4. The oil tank uniform heating structure of the thin oil lubricating device according to claim 1, characterized in that: the stirring device is horizontally arranged, and blades on the stirring device are arranged on the transmission shaft in a multi-layer grading manner.

5. The structure for uniformly heating the oil tank of the thin oil lubricating apparatus according to any one of claims 1 to 4, wherein: the heating device is a steam heater or an electric heater.

6. The structure for uniformly heating the oil tank of the thin oil lubricating apparatus according to any one of claims 1 to 4, wherein: the heating device is a heating element and is positioned inside the stirring device.

7. The oil tank uniform heating structure of the thin oil lubricating device according to claim 6, characterized in that: the heating element is positioned inside at least one blade and is electrically connected with a binding post inside the transmission shaft.

8. The oil tank uniform heating structure of the thin oil lubricating device according to claim 7, characterized in that: the transmission shaft is provided with a via hole type conductive slip ring, the via hole type conductive slip ring comprises a stator, a rotor, a stator outgoing line, a rotor outgoing line, a set screw and a rotation stopping sheet, a binding post inside the transmission shaft is electrically connected with the rotor outgoing line, the stator outgoing line is electrically connected with an equipment power supply, the rotor is fixed on the transmission shaft through the set screw, the stator is prevented from rotating through the rotation stopping sheet and a rotation stopping pin, and the rotation stopping pin is fixed on an oil tank.

Technical Field

The invention relates to an oil tank uniform heating structure of a thin oil lubricating device, which is suitable for the thin oil lubricating device of a thin oil circulating lubricating system of mechanical equipment.

Background

Practice proves that: the oil tank of the thin oil lubricating device is generally provided with an electric heater or a steam heater, and when the oil temperature is too low, the oil needs to be heated, otherwise the oil pump is difficult to start. However, when the oil temperature is very low, the fluidity of the lubricating oil is reduced, which often causes local overheating of the heater, accelerates the aging of the oil, slows down the overall temperature rise of the oil tank, and the temperature measuring instrument cannot accurately measure the oil temperature.

Disclosure of Invention

The invention aims to provide a structure for uniformly heating an oil tank of a thin oil lubricating device, which realizes uniform heating of the oil tank of the thin oil lubricating device and improves the measurement accuracy of a temperature detection instrument.

In order to achieve the purpose, the invention adopts the technical scheme that:

an oil tank uniform heating structure of a thin oil lubricating device comprises

The oil tank is filled with lubricating oil;

the stirring device comprises a motor, a speed reducer, a transmission shaft connected with the speed reducer and extending into the oil tank, and blades positioned in the oil tank and arranged on the transmission shaft, wherein the blades are immersed in the lubricating oil;

at least one heating device immersed in the lubricating oil for heating the lubricating oil in the oil tank;

the temperature detector is used for detecting the temperature of lubricating oil in the oil tank;

the controller is electrically connected with the temperature detector, the motor and the heating device;

the temperature detector transmits the detected oil temperature to the controller, the controller compares the received signal with a preset temperature, if the received signal is lower than the preset temperature, the controller controls the motor to start, and simultaneously starts the heating device, and stops the motor and the heating device until the oil temperature is not lower than the preset temperature.

The number of the stirring devices is two, and the two stirring devices are respectively positioned at the bottom and the side part of the oil tank.

The stirring device is vertically arranged, and blades on the stirring device are arranged on the transmission shaft in a multi-layer grading manner.

The stirring device is horizontally arranged, and blades on the stirring device are arranged on the transmission shaft in a multi-layer grading manner.

The heating device is a steam heater or an electric heater.

The heating device is a heating element and is positioned inside the stirring device.

The heating element is positioned inside at least one blade and is electrically connected with a binding post inside the transmission shaft.

The transmission shaft is provided with a via hole type conductive slip ring, the via hole type conductive slip ring comprises a stator, a rotor, a stator outgoing line, a rotor outgoing line, a set screw and a rotation stopping sheet, a binding post inside the transmission shaft is electrically connected with the rotor outgoing line, the stator outgoing line is electrically connected with an equipment power supply, the rotor is fixed on the transmission shaft through the set screw, the stator is prevented from rotating through the rotation stopping sheet and a rotation stopping pin, and the rotation stopping pin is fixed on an oil tank.

The invention has the following beneficial effects:

1. the whole oil tank is uniformly heated, and the risk of local overheating is reduced or eliminated.

2. The integral heating of the oil tank is realized.

3. The measuring accuracy of the temperature detecting instrument is improved.

4. The thin oil lubricating device can be put into normal use as soon as possible.

5. Simple structure and easy operation.

Description of the drawings:

FIG. 1 is a schematic diagram of a thin oil circulating lubrication system;

FIG. 2 is a top plan view of the fuel tank of FIG. 1;

FIG. 3 shows the tank with a steam heater;

FIG. 4 is a view of a bottom communicating type partition in the oil tank;

FIG. 5 is a diagram of an isolation type partition plate at the bottom in an oil tank;

FIG. 6 is a side and bottom mounting view of the mixer;

FIG. 7 is a schematic diagram showing the multi-stage arrangement of the blades when the agitator is horizontally disposed;

FIG. 8 is a schematic view of the multi-stage arrangement of the blades when the agitator is vertically positioned;

FIG. 9 is a diagram of a blender with a heating element;

FIG. 10 is a view of a through-hole conductive slip ring installation;

FIG. 11 is a top view of FIG. 8;

in the figure, 1, a stirrer, 2, a motor, 3, a speed reducer, 4, a transmission shaft, 5, a blade, 6, an oil tank, 7, an electric heater, 8, a temperature detector, 9, a steam heater, 10, partition plates A, 11, partition plates B, 12, a via hole type conductive slip ring, 13, a stator, 14, a stator outlet wire, 15, a rotor, 16, a binding post, 17, a heating element, 18, a rotor outlet wire, 19, a rotation stopping sheet, 20, a set screw, 21, a rotation stopping pin, 22, an oil pump, 23 and mechanical equipment.

Detailed Description

The specific embodiments of the present invention are given below with reference to the accompanying drawings:

the oil tank uniform heating structure of the thin oil lubricating device comprises an oil tank 6 and at least one stirrer 1, wherein the stirrer 1 is arranged at the top of the oil tank 6, the stirrer 1 comprises at least one blade 5, the blade 5 is immersed in lubricating oil, at least one heating device is arranged at the bottom of the oil tank 6 and is immersed in the lubricating oil, the heating device can be an electric heater 7 or a steam heater 9, the oil tank 6 is provided with at least one temperature detector 8, before the oil pump 22 is started, the temperature detector 8 detects the oil temperature, the temperature detector 8 transmits the detected oil temperature to a controller, the controller compares a received signal with a preset temperature, if the oil temperature is too low, the controller controls the heating device to start heating the lubricating oil, and simultaneously starts the motor 2 to rotate through a transmission shaft 4 of a speed reducer 3, so that the blade 5 rotates, the lubricating oil is stirred, so that the lubricating oil in the oil tank 6 can be uniformly heated and integrally heated, the temperature detector 8 can measure uniform oil temperature, the accuracy of temperature measurement is improved, and the motor 2 and the heating device are shut down until the oil temperature is not lower than a preset temperature.

The working process is as follows: as shown in fig. 1-3, when the temperature detector 8 detects that the oil temperature in the oil tank 6 is too low, the electric heater 7 or the steam heater 9 starts to heat the lubricating oil, the motor 2 is started, the transmission shaft 4 rotates through the reducer 3, so that the blades 5 rotate to stir the lubricating oil, the lubricating oil in the oil tank 6 can be uniformly heated, the temperature detector 8 can measure the uniform oil temperature, when the oil temperature rises to a certain set value, the oil pump 22 is started to pump oil from the oil tank 6, the lubricating oil is conveyed to the mechanical equipment 23 through a pipeline, and then flows back to the oil tank 6 through a pipeline from the mechanical equipment to form a complete cycle, so that the lubricating function of the mechanical equipment is realized, and when the oil temperature continues to rise to a certain set value, the heating device and the stirrer 1 are powered off, and the operation is stopped.

As shown in fig. 3, for a large-sized thin oil lubricating device, at least one steam heater 9 is installed at the bottom of an oil tank 6, a steam inlet is arranged at a position a in fig. 3, and a steam outlet is arranged at a position B in fig. 3, if a temperature detector 8 detects that the oil temperature of the oil tank 6 is too low, steam enters the heater from the position a and flows out from the position B to heat lubricating oil, and meanwhile, a motor 2 is started and a transmission shaft 4 rotates through a speed reducer 3, so that blades 5 rotate to stir the lubricating oil, the lubricating oil forcibly flows, the lubricating oil in the oil tank 6 can be uniformly heated, and the temperature detector 8 can measure the uniform oil temperature.

As shown in fig. 4, at least one partition a10 is arranged in the oil tank 6, lubricating oil on two sides of the partition a10 is communicated at the bottom of the partition, if the oil temperature is too low, the electric heater 7 or the steam heater 9 and the stirrer 1 are simultaneously operated, the heated lubricating oil enters the left side of the partition a10 from the right side of the partition a10 through the bottom communication part under the stirring action of the stirrer 1, the lubricating oil on the left side of the partition a10 is heated, and the whole lubricating oil in the oil tank is uniformly heated.

As shown in fig. 5, at least one partition B11 is arranged in the oil tank 6, the bottom of the partition B11 is not communicated, if the oil temperature is too low, the electric heater 7 or the steam heater 9 and the stirrer 1 are simultaneously operated, the heated lubricating oil enters the left side of the partition B11 from the right side of the partition B11 through the upper communication part under the stirring action of the stirrer 1, the lubricating oil on the left side of the partition B11 is heated, and the lubricating oil in the oil tank is uniformly heated as a whole.

As shown in fig. 6, at least one stirrer 1 is installed on the side wall C of the oil tank or the bottom D of the oil tank, and if the oil temperature is too low, the heating device and the stirrer 1 are simultaneously operated, and the lubricant oil is forced to flow in the oil tank 6, so that the entire lubricant oil in the oil tank 6 is uniformly heated.

Further, as shown in fig. 7 and 8, for a long or high mailbox, the blades 5 of the stirrer 1 are arranged on the transmission shaft 4 in a multi-layer grading mode, so that the stirring is more uniform.

Further, a heating element 17 is installed in the blade 5, and as the blade 5 rotates, the lubricating oil at each position is continuously heated, so that the oil temperature can be more balanced, as shown in fig. 9-11, in order to uniformly heat the lubricating oil in the oil tank 6, the stirrer 1 is provided with a via hole type conductive slip ring 12, the via hole type conductive slip ring comprises a stator 13, a rotor 15, a stator outlet 14, a rotor outlet 18, a set screw 20 and a rotation stopping sheet 19, at least one heating element 17 is arranged in the blade 5, if the oil temperature is too low, the stirrer 1 is electrified to rotate, meanwhile, an equipment power supply supplies power to the heating element 17 through the stator outlet 14, the stator 13, the rotor 15, the rotor outlet 18 and a binding post 16, the heating element 17 uniformly heats the lubricating oil in combination with the stirring of the stirrer 1, the rotor 15 is fixed on the transmission shaft 4 through the set screw 20, the stator 13 is prevented from rotating by the rotation stopping sheet 19 and the rotation stopping pin 21, the rotation stop pin 21 is fixed to the oil tank 6.