CN217898737U - Speed reducer with self-lubricating function - Google Patents

Abstract

The utility model discloses a speed reducer with self-lubricating function, which comprises a speed reduction box, a gear shaft and a speed reduction gear arranged on the gear shaft are arranged in the speed reduction box, and a bearing is arranged between the gear shaft and the side wall of the speed reduction box. Lubricating oil is provided at the bottom of the reduction box, and it is characterized in that: a lubricating cavity is formed on the side wall of the reduction box adjacent to the bearing, and a drainage channel is arranged in the side wall of the reduction box, and one end of the drainage channel and the lubricating oil The other end of the drainage channel communicates with the lubricating cavity. A drainage pump is arranged on the drainage channel. A lubricating channel is formed on the gear shaft. One end of the lubricating channel communicates with the lubricating cavity, and the other end of the lubricating channel opens outwards and faces reduction gear. The utility model provides a reducer with a self-lubricating function, which improves the lubricating effect of the reducer.

Description

A reducer with self-lubricating function

technical field

The utility model relates to a reducer, in particular to a reducer with self-lubricating function.

Background technique

The transmission parts and bearings of the reducer need to be well lubricated. The main purpose is to reduce wear and heat dissipation, thereby improving the working efficiency and service life of the equipment.

At present, the lubrication method of high-speed bearings is mainly through the rotation of the gears, and the oil is thrown into the oil groove of the reducer box wall through the gears, and flows into the bearing from the oil groove to realize the lubrication of the bearings. However, this lubricating method that utilizes inertia to throw lubricating oil on transmission parts and bearings has poor lubricating effect.

Utility model content

The technical problem to be solved by the utility model is to provide a reducer with self-lubricating function in view of the current state of the prior art, so as to improve the lubricating effect of the reducer.

The technical solution adopted by the utility model to solve the above technical problems is: a speed reducer with self-lubricating function, including a reduction box, a gear shaft and a reduction gear arranged on the gear shaft are arranged in the reduction box, the gear shaft and the reduction gear Bearings are provided between the side walls of the gearbox, and lubricating oil is provided at the bottom of the gearbox. It is characterized in that: a lubricating cavity is formed on the side wall of the gearbox adjacent to the bearing, and a drainage chamber is provided in the side wall of the gearbox. One end of the drainage channel communicates with the lubricating oil, the other end of the drainage channel communicates with the lubricating chamber, a drainage pump is arranged on the drainage channel, a lubrication channel is formed on the gear shaft, one end of the lubrication channel communicates with the lubricating chamber, and the lubrication channel The other end of the is open outwards and faces the reduction gear.

As an improvement, the drainage pump is an electronically controlled pump structure. The drainage pump includes a pump casing, pump blades and a pump shaft. The inlet and outlet of the pump casing are connected to the drainage channel respectively. connect.

As a further improvement, a pump chamber is provided in the side wall of the reduction box, and the pump chamber communicates with the drainage passage, and a liquid wheel is eccentrically arranged in the pump chamber, and the output shaft of the liquid wheel is connected to the gear shaft through transmission.

As a further improvement, the output shaft of the liquid wheel extends out of the reduction box, and the output shaft of the liquid wheel and the gear shaft are driven by gears or belts.

In another improvement, the output shaft of the liquid wheel extends into the lubricating oil of the reduction box, and the output shaft of the liquid wheel and the gear shaft are driven by gears.

Further improvement, the center of the gear shaft is formed with a central passage communicating with the lubricating chamber, and a plurality of radiation holes are radially arranged on the reduction gear, the inner ends of the radiation holes communicate with the central passage, and the outer ends of the radiation holes extend to the reduction gear. gear slot.

Compared with the prior art, the utility model has the advantages that: when the reducer of the utility model is working, the lubricating oil in the reduction box can be passed into the lubricating chamber under the action of the drainage pump, and the lubricating oil in the lubricating cavity The contact between the oil and the bearing plays a good role in lubricating the bearing. At the same time, part of the lubricating oil will also enter the lubricating channel on the gear shaft, and as the gear shaft rotates, the lubricating oil in the lubricating channel is sprayed out to the reduction gear in a spiral On the other hand, the lubrication of the reduction gear is realized, thereby improving the lubrication effect.

Description of drawings

Fig. 1 is a structural schematic diagram of a reducer with self-lubricating function in an embodiment of the utility model.

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 , the reducer with self-lubricating function in this implementation includes a reduction box 1, a gear shaft 2, a reduction gear 22, and a drainage pump.

Wherein, a gear shaft 2 and a reduction gear 22 arranged on the gear shaft 2 are arranged in the reduction box 1, a bearing 12 is arranged between the gear shaft 2 and the side wall of the reduction box 1, and a lubricating oil is arranged at the bottom of the reduction box 1 11. A lubricating cavity 3 is formed on the side wall of the reduction box 1 adjacent to the bearing 12. A drainage channel 4 is provided in the side wall of the reduction box 1. One end of the drainage channel 4 communicates with the lubricating oil 11, and the other side of the drainage channel 4 One end communicates with the lubricating cavity 3, a drainage pump is arranged on the drainage channel 4, a lubricating channel 21 is formed on the gear shaft 2, one end of the lubricating channel 21 communicates with the lubricating cavity 3, and the other end of the lubricating channel 21 is open to the outside. Wear reduction gear 22.

In the embodiment of the present utility model, the drainage pump can be an electric control structure or a mechanical transmission structure. When the drainage pump is an electronic control pump structure, the drainage pump includes a pump casing, pump blades and a pump shaft, and the inlet and outlet of the pump casing are respectively It communicates with the drainage passage 4, and the pump blades are arranged on the pump shaft, which is connected with a motor. In this way, an independent motor is used to drive the drive of the pump blades to realize the drainage effect on the lubricating oil. When the drainage pump is a mechanical transmission structure, the rotation of the gear shaft 2 is used to act as the power source of the drainage pump. Specifically, a pump chamber 5 is arranged in the side wall of the reduction box 1, and the pump chamber 5 communicates with the drainage channel 4. A liquid wheel 51 is arranged eccentrically in the pump chamber 5, the output shaft of the liquid wheel 51 is connected to the gear shaft 2, the output shaft of the liquid wheel 51 protrudes from the outside of the reduction box 1, and the output shaft 52 of the liquid wheel 51 and the gear shaft 2 pass through the gear Or belt drive. This structure is that the output shaft 52 of the liquid wheel 51 is arranged outside the reduction box 1 . Or, the output shaft 52 of the liquid wheel 51 can also be stretched into the lubricating oil 11 inside of the reduction box 1, and the output shaft 52 of the liquid wheel 51 and the gear shaft 2 are driven by gears. At this time, the output shaft 52 of the liquid wheel 511 and the gear shaft 2 The transmission gear can also be lubricated by lubricating oil.

In addition, a central channel communicating with the lubricating chamber 3 may also be formed at the center of the gear shaft 2, and a plurality of radiation holes are radially arranged on the reduction gear 22. The inner ends of the radiation holes communicate with the central channel, and the outer ends of the radiation holes extend to The gear groove of the reduction gear 22. Like this, the lubricating oil in the lubricating chamber 3 can enter in the central channel of the gear shaft 2, and along with the rotation of the gear shaft 2, the lubricating oil in the central channel can also directly carry on the gear groove of the reduction gear 22 along each radiation hole. Lubrication makes lubrication more precise.

To sum up, when the reducer of the present utility model is in operation, the lubricating oil 11 in the reduction box 1 can be passed into the lubricating chamber 3 under the action of the drainage pump, and the lubricating oil in the lubricating chamber 3 contacts the bearing 12, thereby At the same time, part of the lubricating oil will also enter the lubricating passage 21 on the gear shaft 2, and with the rotation of the gear shaft 2, the lubricating oil in the lubricating passage 21 will be sprayed out to the reduction gear 22 in a spiral In this way, the lubrication of the reduction gear 22 is realized, thereby improving the lubrication effect.

Claims (6)

1. The utility model provides a reduction gear with self-lubricating function, includes reducing gear box (1), is provided with gear shaft (2) and sets up reducing gear (22) on gear shaft (2) in reducing gear box (1), is provided with bearing (12) between gear shaft (2) and reducing gear box (1) lateral wall, is provided with lubricating oil (11), its characterized in that in the bottom of reducing gear box (1): the utility model discloses a gear shaft lubricating device, including reduction gearbox (1), bearing (12), drainage channel (4) are provided with in the lateral wall of reduction gearbox (1), the one end and lubricating oil (11) intercommunication of drainage channel (4), the other end and the lubricated chamber (3) intercommunication of drainage channel (4), be provided with a drainage pump on drainage channel (4), be formed with lubricated passageway (21) on gear shaft (2), the one end and the lubricated chamber (3) intercommunication of lubricated passageway (21), the other end of lubricated passageway (21) is outwards opened and is facing to reduction gear (22).

2. A decelerator having a self-lubricating function according to claim 1, wherein: the drainage pump is of an electric control pump structure and comprises a pump shell, pump blades and a pump shaft, an inlet and an outlet on the pump shell are respectively communicated with the drainage channel (4), the pump blades are arranged on the pump shaft, and the pump shaft is connected with a motor.

3. A decelerator having a self-lubricating function according to claim 1, wherein: a pump cavity (5) is arranged in the side wall of the reduction gearbox (1), the pump cavity (5) is communicated with the drainage channel (4), a liquid wheel (51) is eccentrically arranged in the pump cavity (5), and an output shaft of the liquid wheel (51) is in transmission connection with the gear shaft (2).

4. A decelerator having a self-lubricating function according to claim 3, wherein: an output shaft (52) of the liquid wheel (51) extends out of the reduction gearbox (1), and the output shaft (52) of the liquid wheel (51) and the gear shaft (2) are in transmission through gears or belts.

5. A decelerator having a self-lubricating function according to claim 3, wherein: an output shaft (52) of the liquid wheel (51) extends into lubricating oil (11) of the reduction gearbox (1), and the output shaft (52) of the liquid wheel (51) and the gear shaft (2) are in gear transmission.

6. A decelerator having a self-lubricating function according to claim 1, wherein: the center of the gear shaft (2) is provided with a central channel communicated with the lubricating cavity (3), a plurality of releasing holes are radially arranged on the reduction gear (22), the inner ends of the releasing holes are communicated with the central channel, and the outer ends of the releasing holes extend to a gear groove of the reduction gear (22).

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