Lubricating oil supply device of reduction gearbox gear

Abstract

The utility model discloses a lubricating oil supply device for a reduction gearbox gear, which relates to the technical field of gear lubrication and comprises an oil tank, an oil supply pipe is mounted at the upper end of the oil tank, a driving motor is arranged at the upper end of the oil tank and positioned on the side of the oil supply pipe, and an oil supply pipe is arranged on the inner side of the oil tank. According to the lubricating oil supply device of the reduction gearbox gear, the oil return pipe, the oil supply pipe, the spiral blade, the filter screen, the cooling structure and the like are arranged, the driving motor drives the transmission rod to rotate, the spiral blade rotates in the oil supply pipe, lubricating oil can be pushed to move and is discharged from the oil outlet pipe after passing through the oil outlet, and lubricating oil supply of the reduction gearbox gear is achieved; and meanwhile, lubricating oil in the reduction gearbox can be recycled through the oil return pipe, the recycled lubricating oil is fed through the filter screen, the filtered lubricating oil is located at the bottom of the oil tank, the recycled lubricating oil is cooled through the cooling structure, secondary supply and use of the lubricating oil are facilitated, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear lubrication, and particularly relates to a lubricating oil supply device for a reduction box gear. Background Technique

[0002] Generally, the inside of a reduction box is a gear transmission structure. By using the meshing transmission of different gears, it plays the role of matching the rotational speed and transmitting torque between a working machine or an actuator, and is widely used in modern machinery. Therefore, lubricating the reduction box gear can not only reduce the energy loss during gear transmission, but also reduce the wear of the gear, and ensure the service life of the reduction structure.

[0003] For example, the patent number CN214036824U discloses a lubricating oil supply device for a robot reduction box, which relates to the technical field of robots. The lubricating oil supply device for the robot reduction box includes a first operation box. The top of the first operation box is fixedly installed with an oil inlet pipe, and the other end of the oil inlet pipe is communicated with the inside of the first operation box. A metering mechanism is arranged on the first operation box. One side of the first operation box is fixedly installed with a support plate, and the bottom of the support plate is fixedly installed with a fixing frame, and a coordination mechanism is arranged on the fixing frame. Through the cooperation of the first operation box, the oil inlet pipe, the rotating rod, the threaded blade, the motor, the fixing plate, the first rotating rod and the second operation box, the amount of lubricating oil entering the second operation box can be controlled. On the one hand, the cost is saved and the waste of lubricating oil is reduced. On the other hand, the situation that the reducer cannot be used normally due to excessive addition of lubricating oil is reduced;

[0004] However, the structure of the conventional lubricating oil supply device is relatively simple, and it cannot filter and cool the lubricating oil, nor can it recycle the supplied lubricating oil, so the practicability is relatively low. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a lubricating oil supply device for a reduction box gear, which solves the problems that the structure of the lubricating oil supply device is relatively simple, it cannot filter and cool the lubricating oil, nor can it recycle the supplied lubricating oil, and the practicability is relatively low.

[0006] To achieve the above object, the utility model is realized through the following technical solutions: A lubricating oil supply device for a reduction box gear includes an oil tank. A feed pipe is installed at the upper end of the oil tank. A driving motor is arranged on the upper end of the oil tank on the side of the feed pipe. An oil supply pipe is arranged inside the oil tank. A transmission rod is installed inside the oil supply pipe. A spiral blade is arranged on the surface of the transmission rod. A filter screen is arranged outside the oil supply pipe inside the oil tank. Cooling structures are installed on both the left and right sides of the surface of the oil tank. An oil outlet pipe is installed at the lower end of the oil tank.

[0007] Preferably, oil level observation windows are provided on both the left and right sides of the front end of the fuel tank. A scale is provided on the surface of the oil level observation window. The fuel supply pipe is composed of a filling pipe and a return pipe. The filling pipe is connected to the left end of the fuel tank, and the return pipe is connected to the right end of the fuel tank.

[0008] Preferably, the upper end of the transmission rod is rotatably connected to the fuel tank, and the upper end of the transmission rod is fixedly connected to the output end of the drive motor. The lower end of the transmission rod is rotatably connected to the bottom of the fuel tank.

[0009] Preferably, through holes are provided on the surface of the fuel supply pipe. The through holes are distributed in an annular array and are located below the filter screen.

[0010] Preferably, the cooling structure includes a mounting seat. The mounting seat is fixedly connected to the fuel tank. A thermoelectric cooler is provided at one end of the mounting seat away from the fuel tank. A heat dissipation frame is provided outside the thermoelectric cooler. A heat dissipation fan is installed at one end of the heat dissipation frame away from the thermoelectric cooler.

[0011] Preferably, a plurality of heat dissipation fins are evenly distributed on the heat dissipation frame. Heat exchange fins are installed on the mounting seat. The heat exchange fins are distributed at equal intervals. One end of the heat exchange fin is in close contact with the thermoelectric cooler, and the other end of the heat exchange fin extends to the inside of the fuel tank and is located below the filter screen.

[0012] Preferably, an oil outlet is provided inside the fuel supply pipe at the bottom of the fuel tank. The oil outlet is connected to an oil outlet pipe.

[0013] Advantageous Effects

[0014] The utility model provides a lubricating oil supply device for the gears of a speed reducer. Compared with the prior art, the following advantageous effects are achieved:

[0015] For the lubricating oil supply device for the gears of the speed reducer, by providing a return pipe, a fuel supply pipe, a spiral blade, a filter screen, and a cooling structure, etc., the drive motor drives the transmission rod to rotate, so that the spiral blade rotates in the fuel supply pipe, which can push the lubricating oil to move. After passing through the oil outlet, it is discharged from the oil outlet pipe, realizing the lubricating oil supply for the gears of the speed reducer. At the same time, the return pipe can recover the lubricating oil in the speed reducer, and the recovered lubricating oil passes through the filter screen. The filtered lubricating oil is located at the bottom of the fuel tank. The cooling structure is used to cool the recovered lubricating oil, facilitating the secondary supply and use of the lubricating oil, and improving the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic three-dimensional structure of the utility model Figure 1 ;

[0017] Figure 2 is a schematic three-dimensional structure of the utility modelFigure 2 ;

[0018] Figure 3 is a schematic diagram of the internal structure of the present utility model;

[0019] Figure 4 is a schematic diagram of the fuel supply pipe structure of the present utility model.

[0020] In the figure: 1, fuel tank; 11, fuel quantity observation window; 2, fuel supply pipe; 21, filling pipe; 22, return pipe; 3, drive motor; 4, fuel supply pipe; 41, through hole; 5, transmission rod; 6, spiral blade; 7, filter screen; 8, cooling structure; 81, mounting seat; 82, semiconductor refrigeration sheet; 83, heat dissipation frame; 84, heat dissipation fan; 85, heat exchange fin; 9, oil outlet pipe; 91, oil outlet. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4 , the present utility model provides a technical solution: a lubricating oil supply device for a reduction gearbox gear, including a fuel tank 1, a fuel supply pipe 2 is installed at the upper end of the fuel tank 1, fuel quantity observation windows 11 are arranged on both the left and right sides of the front end of the fuel tank 1, a scale is arranged on the surface of the fuel quantity observation window 11, the fuel supply pipe 2 is composed of a filling pipe 21 and a return pipe 22, the filling pipe 21 is connected to the left end of the fuel tank 1, the return pipe 22 is connected to the right end of the fuel tank 1, a drive motor 3 is arranged on the upper end of the fuel tank 1 beside the fuel supply pipe 2, a fuel supply pipe 4 is arranged inside the fuel tank 1, a transmission rod 5 is installed inside the fuel supply pipe 4, a spiral blade 6 is arranged on the surface of the transmission rod 5, the upper end of the transmission rod 5 is rotatably connected to the fuel tank 1, and the upper end of the transmission rod 5 is fixedly connected to the output end of the drive motor 3, the lower end of the transmission rod 5 is rotatably connected to the bottom of the fuel tank 1. By driving the transmission rod 5 to rotate by the drive motor 3, the rotation of the spiral blade 6 can push the lubricating oil to move in the fuel supply pipe 4, facilitating the supply of lubricating oil;

[0023] A filter screen 7 is arranged inside the fuel tank 1 outside the fuel supply pipe 4, through holes 41 are formed on the surface of the fuel supply pipe 4, the through holes 41 are distributed in a circular array, the through holes 41 are located below the filter screen 7, and the filter screen 7 is used to filter the filled lubricating oil, ensuring the quality of the lubricating oil and facilitating the recovery of the lubricating oil in the reduction gearbox at the same time;

[0024] Cooling structures 8 are installed on both the left and right sides of the surface of the fuel tank 1. The cooling structure 8 includes a mounting seat 81 which is fixedly connected to the fuel tank 1. At one end of the mounting seat 81 away from the fuel tank 1, a thermoelectric cooler 82 is provided. On the outside of the thermoelectric cooler 82, a heat dissipation frame 83 is provided. At one end of the heat dissipation frame 83 away from the thermoelectric cooler 82, a heat dissipation fan 84 is installed. A plurality of heat dissipation fins are evenly distributed on the heat dissipation frame 83. A heat exchange fin 85 is installed on the mounting seat 81. The heat exchange fins 85 are arranged at equal intervals. One end of the heat exchange fin 85 is in close contact with the thermoelectric cooler 82, and the other end of the heat exchange fin 85 extends to the inside of the fuel tank 1 and is located below the filter screen 7. An oil outlet pipe 9 is installed at the lower end of the fuel tank 1. An oil outlet 91 is opened in the bottom of the fuel tank 1 inside the fuel supply pipe 4. The oil outlet 91 is connected to the oil outlet pipe 9. After the recycled lubricating oil is filtered, the heat exchange fin 85 cools down the lubricating oil. The cold end of the thermoelectric cooler 82 provides cold energy for the heat exchange fin 85, and the heat dissipation fan 84 can dissipate heat from the thermoelectric cooler 82.

[0025] During operation, the lubricating oil is filled into the fuel tank 1 through the filling pipe 21, so that the lubricating oil is located at the bottom of the fuel tank 1 after being filtered by the filter screen 7, and then enters the fuel supply pipe 4 through the through hole 41. The driving motor 3 drives the transmission rod 5 to rotate, and the rotation of the spiral blade 6 can push the lubricating oil to move in the fuel supply pipe 4. The lubricating oil is discharged through the oil outlet 91 and supplied to the reduction gearbox by the oil outlet pipe 9. The filter screen 7 filters the filled lubricating oil to ensure the quality of the lubricating oil. At the same time, the lubricating oil in the reduction gearbox can be recycled through the oil return pipe 22, filtered by the filter screen 7, and the heat exchange fin 85 cools down the lubricating oil. The cold end of the thermoelectric cooler 82 provides cold energy for the heat exchange fin 85, and the heat dissipation fan 84 can dissipate heat from the thermoelectric cooler 82 to prevent the temperature of the recycled lubricating oil from being too high.

[0026] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. A lubricating oil supply device for a speed reducer gear, comprising an oil tank (1), characterized in that: A fuel supply pipe (2) is installed at the upper end of the fuel tank (1). A drive motor (3) is arranged on the side of the upper end of the fuel tank (1) beside the fuel supply pipe (2). An oil supply pipe (4) is arranged inside the fuel tank (1). A transmission rod (5) is installed inside the oil supply pipe (4). A spiral blade (6) is arranged on the surface of the transmission rod (5). A filter screen (7) is arranged outside the oil supply pipe (4) inside the fuel tank (1). Cooling structures (8) are installed on both the left and right sides of the surface of the fuel tank (1). An oil outlet pipe (9) is installed at the lower end of the fuel tank (1).

2. The lubricating oil supply device for a reduction gearbox gear according to claim 1, wherein: Oil quantity observation windows (11) are arranged on both the left and right sides of the front end of the fuel tank (1). A scale is arranged on the surface of the oil quantity observation windows (11). The fuel supply pipe (2) is composed of a filling pipe (21) and a return pipe (22). The filling pipe (21) is connected to the left end of the fuel tank (1), and the return pipe (22) is connected to the right end of the fuel tank (1).

3. The lubricating oil supply device for the reduction gearbox gear according to claim 1, characterized in that: The upper end of the transmission rod (5) is rotatably connected to the fuel tank (1), and the upper end of the transmission rod (5) is fixedly connected to the output end of the drive motor (3). The lower end of the transmission rod (5) is rotatably connected to the bottom of the fuel tank (1).

4. The lubricating oil supply device for the reduction gearbox gear according to claim 1, wherein: Through holes (41) are formed on the surface of the oil supply pipe (4). The through holes (41) are distributed in an annular array. The through holes (41) are located below the filter screen (7).

5. The lubricating oil supply device for a speed reducer gear according to claim 1, characterized in that: The cooling structure (8) includes a mounting seat (81). The mounting seat (81) is fixedly connected to the fuel tank (1). A semiconductor refrigeration sheet (82) is arranged at one end of the mounting seat (81) away from the fuel tank (1). A heat dissipation frame (83) is arranged outside the semiconductor refrigeration sheet (82). A heat dissipation fan (84) is installed at one end of the heat dissipation frame (83) away from the semiconductor refrigeration sheet (82).

6. The lubricating oil supply device for a speed reducer gear according to claim 5, characterized in that: A plurality of heat dissipation fins are evenly distributed on the heat dissipation frame (83). A heat exchange fin (85) is installed on the mounting seat (81). The heat exchange fins (85) are distributed at equal intervals. One end of the heat exchange fin (85) is attached to the semiconductor refrigeration sheet (82). The other end of the heat exchange fin (85) extends into the fuel tank (1) and is located below the filter screen (7).

7. The lubricating oil supply device for a reduction gearbox gear according to claim 1, characterized in that: An oil outlet (91) is formed inside the oil supply pipe (4) at the bottom of the fuel tank (1). The oil outlet (91) is connected to the oil outlet pipe (9).

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