CN213628813U

CN213628813U - Novel speed reducer gear lubricating oil internal circulation device

Info

Publication number: CN213628813U
Application number: CN202022468139.2U
Authority: CN
Inventors: 陈元芝
Original assignee: Changchi Transmission Technology Suzhou Co ltd
Current assignee: Changchi Transmission Technology Suzhou Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-06
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a novel reduction gear lubricating oil inner loop device, include: reduction gear input flange, the ring gear that is connected with reduction gear input flange and the reduction gear output flange that is connected with the ring gear rotate through input bearing in the reduction gear input flange and be provided with the input shaft one of input shaft stretching into in the ring gear is served and is provided with sun gear be provided with the planet carrier between sun gear and the ring gear evenly rotate through the planet axle on the planet carrier and be provided with a plurality of planetary gear, planetary gear and sun gear and ring gear intermeshing rotate through output bearing in the reduction gear output flange and be provided with the output shaft, the one end of output shaft is stretched into and is connected with the planet carrier in the ring gear, the other end of output shaft stretches out reduction gear output flange.

Description

Novel speed reducer gear lubricating oil internal circulation device

Technical Field

The utility model relates to a reduction gear field specifically is a novel reduction gear lubricating oil inner loop device.

Background

The speed reducer is an important transmission element, realizes transmission through the matching of gears, and has the advantages of high rigidity, high precision, high transmission efficiency, high torque and the like. The existing speed reducer gear lubrication is that lubricating oil is directly added into a speed reducer, the lubricating oil is of a static structure, only a small part of lubricating oil is driven by a gear to adhere to the surface of the gear to realize lubrication, and the lubrication effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel speed reducer gear lubricating oil inner loop device has solved some current speed reducer gear lubrication of current and has all directly added lubricating oil in the speed reducer, and lubricating oil is static structure, can only drive a small part of lubricating oil through the gear and adhere to its surface and realize lubricating, problem that lubricated effect is poor.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: novel reduction gear lubricating oil internal circulation device includes: the input shaft is arranged in the input flange of the speed reducer in a rotating way through an input bearing, a sun gear is arranged at one end of the input shaft extending into the gear ring, a planet carrier is arranged between the sun gear and the gear ring, a plurality of planet gears are uniformly arranged on the planet carrier in a rotating way through planet shafts, the planet gears are mutually meshed with the sun gear and the gear ring, an output shaft is arranged in the output flange of the speed reducer in a rotating way through an output bearing, one end of the output shaft extends into the gear ring and is connected with the planet carrier, the other end of the output shaft extends out of the output flange of the speed reducer, a pump shell is arranged at the lower end of the gear ring between the output bearing and the planet carrier, and a pump shaft is arranged in the pump shell in a rotating way through a bearing seat, the improved planetary gear pump is characterized in that an impeller is arranged on a pump shaft in the pump shell, an oil inlet is formed in one side, close to a planet carrier, of the pump shell, a driven gear is arranged on the pump shaft, far away from the other side of the planet carrier, of the pump shell, a driving gear meshed with the driven gear is arranged on the output shaft, an oil outlet is formed in the lower end of the pump shell, an annular lubricating channel is arranged in a gear ring on the outer side of the planet carrier, a plurality of lubricating oil holes are uniformly formed in the gear ring between the annular lubricating channel and the planet gear in the radial direction, one end of each lubricating oil hole is communicated with the annular lubricating channel, the other end of each lubricating oil hole is communicated with an inner.

Advantageous effects

The utility model provides a novel reduction gear lubricating oil inner loop device. Compared with the prior art, the method has the following beneficial effects: install the oil pump additional at the inside lower extreme of reduction gear, utilize the power of output shaft to drive the oil pump work of reduction gear lower extreme, constantly the suction with the lubricating oil of the inside lower extreme of reduction gear, carry out all-round lubrication to sun gear and planetary gear from the blowout of a plurality of lubricated oil holes along the radial setting of ring gear again, realize that lubricating oil realizes dynamic inner loop in the reduction gear, it is lubricated effectual.

Drawings

Fig. 1 is a front view of the structure of the present invention.

In the figure: 1. the oil-saving type speed reducer comprises a speed reducer input flange, 2, a gear ring, 3, a speed reducer output flange, 4, an input bearing, 5, an input shaft, 6, a sun gear, 7, a planet carrier, 8, a planet shaft, 9, a planet gear, 10, an output bearing, 11, an output shaft, 12, a pump shell, 13, a bearing seat, 14, a pump shaft, 15, an impeller, 16, an oil inlet, 17, a driven gear, 18, a driving gear, 19, an oil outlet, 20, an annular lubricating channel, 21, a lubricating oil hole, 22 and an oil inlet channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: novel reduction gear lubricating oil internal circulation device includes: the input flange 1 of the speed reducer, a gear ring 2 connected with the input flange 1 of the speed reducer and an output flange 3 of the speed reducer connected with the gear ring 2, wherein an input shaft 5 is rotatably arranged in the input flange 1 of the speed reducer through an input bearing 4, a sun gear 6 is arranged at one end of the input shaft 5 extending into the gear ring 2, a planet carrier 7 is arranged between the sun gear 6 and the gear ring 2, a plurality of planet gears 9 are uniformly and rotatably arranged on the planet carrier 7 through planet shafts 8, the planet gears 9 are mutually meshed with the sun gear 6 and the gear ring 2, an output shaft 11 is rotatably arranged in the output flange 3 of the speed reducer through an output bearing 10, one end of the output shaft 11 extends into the gear ring 2 and is connected with the planet carrier 7, the other end of the output shaft 11 extends out of the output flange 3 of the speed reducer, and a pump shell 12 is arranged at the lower end of, a pump shaft 14 is rotatably arranged in the pump shell 12 through a bearing seat 13, an impeller 15 is arranged on the pump shaft 14 in the pump shell 12, an oil inlet 16 is arranged on one side of the pump shell 12 close to the planet carrier 7, a driven gear 17 is arranged on a pump shaft 14 on the other side of the pump shell 12 far away from the planet carrier 7, a driving gear 18 engaged with the driven gear 17 is provided on the output shaft 11, an oil outlet 19 is arranged at the lower end of the pump shell 12, an annular lubricating channel 20 is arranged in the gear ring 2 at the outer side of the planet carrier 7, a plurality of lubricating oil holes 21 are uniformly arranged on the gear ring 2 between the annular lubricating channel 20 and the planet gears 9 along the radial direction, one end of the lubricating oil hole 21 is communicated with the annular lubricating channel 20, the other end of the lubricating oil hole 21 is communicated with the inner cavity of the gear ring 2, and the annular lubricating channel 20 is communicated with the oil outlet 19 through the oil inlet channel 22.

When the lubricating oil lubrication device is used, the speed reducer operates the output shaft 11 to rotate, the output shaft 11 drives the driving gear 18 to rotate, the driving gear 18 drives the driven gear 17 meshed with the driving gear to rotate, the driven gear 17 drives the pump shaft 14 to rotate in the bearing seat 13, the pump shaft 14 drives the impeller 15 to rotate to suck lubricating oil at the lower end of the interior of the speed reducer into the speed reducer, the lubricating oil is sprayed onto the inner wall of the gear ring 2 through the oil inlet 16, the oil outlet 19, the oil inlet channel 22, the annular lubricating channel 20 and the lubricating oil holes 21 in sequence to lubricate the rotating planetary gears 9, when a gap between every two adjacent planetary gears 9 rotates to the lubricating oil hole 21, the lubricating oil is sprayed into the space between the sun gear 6 and the planetary gears 9 from the lubricating.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel reduction gear lubricating oil inner loop device, its characterized in that: the method comprises the following steps: the reducer comprises a reducer input flange (1), a gear ring (2) connected with the reducer input flange (1) and a reducer output flange (3) connected with the gear ring (2), wherein an input shaft (5) is rotatably arranged in the reducer input flange (1) through an input bearing (4), a sun gear (6) is arranged at one end of the input shaft (5) extending into the gear ring (2), a planet carrier (7) is arranged between the sun gear (6) and the gear ring (2), a plurality of planet gears (9) are uniformly rotatably arranged on the planet carrier (7) through planet shafts (8), the planet gears (9) are mutually meshed with the sun gear (6) and the gear ring (2), an output shaft (11) is rotatably arranged in the reducer output flange (3) through an output bearing (10), one end of the output shaft (11) extends into the gear ring (2) and is connected with the planet carrier (7), the other end of the output shaft (11) extends out of a reducer output flange (3), a pump shell (12) is arranged at the lower end of a gear ring (2) between an output bearing (10) and a planet carrier (7), a pump shaft (14) is rotatably arranged in the pump shell (12) through a bearing seat (13), an impeller (15) is arranged on the pump shaft (14) in the pump shell (12), an oil inlet (16) is arranged at one side of the pump shell (12) close to the planet carrier (7), a driven gear (17) is arranged on the pump shaft (14) at the other side of the pump shell (12) far away from the planet carrier (7), a driving gear (18) meshed with the driven gear (17) is arranged on the output shaft (11), an oil outlet (19) is arranged at the lower end of the pump shell (12), and an annular lubricating channel (20) is arranged in the gear ring (2) outside the planet, a plurality of lubricating oil holes (21) are uniformly formed in the gear ring (2) between the annular lubricating channel (20) and the planetary gear (9) along the radial direction, one ends of the lubricating oil holes (21) are communicated with the annular lubricating channel (20), the other ends of the lubricating oil holes (21) are communicated with the inner cavity of the gear ring (2), and the annular lubricating channel (20) is communicated with the oil outlet (19) through the oil inlet channel (22).