CN213954262U

CN213954262U - Expansion gear speed reducer

Info

Publication number: CN213954262U
Application number: CN202022897750.7U
Authority: CN
Inventors: 沈建明; 高凯
Original assignee: Hangzhou Jianming Machinery Co ltd
Current assignee: Hangzhou Jianming Machinery Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-13
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses an expansion gear speed reducer, including the speed reducer casing, the inside one end of speed reducer casing is provided with first input shaft and first transition axle, the cover is equipped with first drive gear on the first input shaft, the cover is equipped with first input reduction gear and first output reduction gear on the first transition axle, the inside other end of speed reducer casing is provided with second input shaft and second transition axle, the cover is equipped with second drive gear on the second input shaft, the cover is equipped with second input reduction gear and second output reduction gear on the second transition axle, the inside intermediate position of speed reducer casing is provided with the output shaft, the cover is equipped with on the output shaft with first output reduction gear with the output gear that second output reduction gear meshed mutually. Has the advantages that: can drive simultaneously through two motors, reduce the atress and the wearing and tearing of gear, the gear during operation can realize the self-lubricating, has effectively improved the life of gear.

Description

Expansion gear speed reducer

Technical Field

The utility model relates to a gear reducer technical field particularly, relates to an expansion gear reducer.

Background

The speed reducer is used as the speed reduction transmission between prime mover and the working machine commonly, the speed reducer plays the effect of matching rotational speed and transmission torque between prime mover and working machine or actuating mechanism, the ratio of the number of teeth of the big gear and the small gear of the gear reducer, that is, the transmission ratio, the application is very extensive in modern machinery, most speed reducers are only a motor to drive the speed reducer to work now, therefore in the use, the gear atress and the wearing and tearing of speed reducer are all great, and the pinion is difficult to receive the lubrication of lubricating oil in the use, it is inconvenient to use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides an expansion gear reducer to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

an expanded gear reducer comprises a reducer shell, wherein a first input shaft and a first transition shaft are arranged at one end in the reducer shell, the first input shaft is sleeved with a first driving gear, the first transition shaft is respectively sleeved with a first input reduction gear and a first output reduction gear in sequence, the first input reduction gear is meshed with the first driving gear, the other end in the speed reducer shell is provided with a second input shaft and a second transition shaft, a second driving gear is sleeved on the second input shaft, a second input reduction gear and a second output reduction gear are respectively sleeved on the second transition shaft in sequence, the second input reduction gear is meshed with the second driving gear, an output shaft is arranged at the middle position in the shell of the speed reducer, and the output shaft is sleeved with an output gear meshed with the first output reduction gear and the second output reduction gear.

Furthermore, the first input shaft, the first transition shaft, the second input shaft, the second transition shaft and the output shaft are respectively connected with the speed reducer shell in a matching way through a plurality of bearings.

Furthermore, a plurality of mounting screw holes are formed in the side edge of the top end of the speed reducer shell.

Furthermore, the first driving gear, the first input reduction gear, the first output reduction gear, the second driving gear, the second input reduction gear, the second output reduction gear and the inner side wall of the output gear are respectively provided with a key slot.

Furthermore, a plurality of oil guide holes are respectively formed in the first input reduction gear, the second input reduction gear and the output gear.

Further, oil storage rings are respectively arranged on the inner side edges of the first input reduction gear, the second input reduction gear and the output gear.

The utility model has the advantages that: through setting up the expansion gear speed reducer that comprises the speed reducer casing, first input shaft, first transition axle, first drive gear, first input reduction gear, first output reduction gear, the second input shaft, the second transition axle, second drive gear, second input reduction gear, second output reduction gear, output shaft and output gear, thereby can drive simultaneously through two motors, the atress and the wearing and tearing of gear have been reduced, the gear during operation can realize the self-lubricating, the life of gear has effectively been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an expanded gear reducer according to an embodiment of the present invention;

fig. 2 is a schematic view of a gear structure of an expanded gear reducer according to an embodiment of the present invention;

fig. 3 is a gear cross-sectional view of an expanded gear reducer according to an embodiment of the present invention.

In the figure:

1. a speed reducer housing; 2. a first input shaft; 3. a first transition shaft; 4. a first drive gear; 5. a first input reduction gear; 6. a first output reduction gear; 7. a second input shaft; 8. a second transition shaft; 9. a second drive gear; 10. a second input reduction gear; 11. a second output reduction gear; 12. an output shaft; 13. an output gear; 14. a bearing; 15. mounting a screw hole; 16. a keyway; 17. an oil guide hole; 18. and an oil storage ring.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an expansion gear reducer.

The first embodiment is as follows:

as shown in fig. 1-3, the unfolded gear reducer according to the embodiment of the present invention comprises a reducer housing 1, wherein a first input shaft 2 and a first transition shaft 3 are disposed at one end inside the reducer housing 1, a first driving gear 4 is sleeved on the first input shaft 2, a first input reduction gear 5 and a first output reduction gear 6 are respectively sleeved on the first transition shaft 3 in sequence, the first input reduction gear 5 is engaged with the first driving gear 4, a second input shaft 7 and a second transition shaft 8 are disposed at the other end inside the reducer housing 1, a second driving gear 9 is sleeved on the second input shaft 7, a second input reduction gear 10 and a second output reduction gear 11 are respectively sleeved on the second transition shaft 8 in sequence, the second input reduction gear 10 is engaged with the second driving gear 9, an output shaft 12 is arranged in the middle of the interior of the speed reducer casing 1, and an output gear 13 meshed with the first output reduction gear 6 and the second output reduction gear 11 is sleeved on the output shaft 12.

By means of the technical scheme, the unfolding type gear speed reducer is formed by the speed reducer shell 1, the first input shaft 2, the first transition shaft 3, the first driving gear 4, the first input speed reducing gear 5, the first output speed reducing gear 6, the second input shaft 7, the second transition shaft 8, the second driving gear 9, the second input speed reducing gear 10, the second output speed reducing gear 11, the output shaft 12 and the output gear 13, so that the gear can be driven by two motors at the same time, stress and abrasion of the gears are reduced, self-lubrication can be achieved when the gears work, and the service lives of the gears are effectively prolonged.

Example two:

as shown in fig. 1-3, the first input shaft 2, the first transition shaft 3, the second input shaft 7, the second transition shaft 8, the output shaft 12 and the reducer casing 1 are respectively connected by a plurality of bearings 14, a plurality of mounting screw holes 15 are arranged on the side edge of the top end of the speed reducer shell 1, the first driving gear 4, the first input reduction gear 5 and the first output reduction gear 6, the inner side walls of the second driving gear 9, the second input reduction gear 10, the second output reduction gear 11 and the output gear 13 are respectively provided with a key slot 16, the first input reduction gear 5, the second input reduction gear 10 and the output gear 13 are respectively provided with a plurality of oil guide holes 17, oil storage rings 18 are respectively provided on the inner side edges of the first input reduction gear 5, the second input reduction gear 10, and the output gear 13.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the two motors are respectively connected with the first input shaft 2 and the second input shaft 7 and drive the first input shaft 2 and the second input shaft 7 to rotate in opposite directions, so that stress and friction between gears can be reduced, the service life of each gear is prolonged, meanwhile, the gears can be self-lubricated by arranging the oil guide holes 17 and the oil storage rings 18, friction is further reduced, and the service life is prolonged.

In conclusion, with the help of the above technical scheme of the utility model, through the expansion gear reducer that the setting is by speed reducer housing 1, first input shaft 2, first transition axle 3, first drive gear 4, first input reduction gear 5, first output reduction gear 6, second input shaft 7, second transition axle 8, second drive gear 9, second input reduction gear 10, second output reduction gear 11, output shaft 12 and output gear 13 constitute, thereby can carry out the simultaneous drive through two motors, the atress and the wearing and tearing of gear have been reduced, the self-lubricating can be realized to the gear during operation, the life of gear has effectively been improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The unfolded gear speed reducer is characterized by comprising a speed reducer shell (1), wherein a first input shaft (2) and a first transition shaft (3) are arranged at one end inside the speed reducer shell (1), a first driving gear (4) is sleeved on the first input shaft (2), a first input reduction gear (5) and a first output reduction gear (6) are sequentially sleeved on the first transition shaft (3) respectively, the first input reduction gear (5) is meshed with the first driving gear (4), a second input shaft (7) and a second transition shaft (8) are arranged at the other end inside the speed reducer shell (1), a second driving gear (9) is sleeved on the second input shaft (7), a second input reduction gear (10) and a second output reduction gear (11) are sequentially sleeved on the second transition shaft (8) respectively, the second input reduction gear (10) is meshed with the second driving gear (9), an output shaft (12) is arranged in the middle of the interior of the speed reducer shell (1), and an output gear (13) meshed with the first output reduction gear (6) and the second output reduction gear (11) is sleeved on the output shaft (12).

2. The unfolding type gear speed reducer according to claim 1, wherein the first input shaft (2), the first transition shaft (3), the second input shaft (7), the second transition shaft (8) and the output shaft (12) are respectively connected with the speed reducer casing (1) in a matching way through a plurality of bearings (14).

3. The unfolding type gear reducer according to claim 1, wherein the side edge of the top end of the reducer casing (1) is provided with a plurality of mounting screw holes (15).

4. The unfolding gear speed reducer according to claim 1, wherein the inner side walls of the first driving gear (4), the first input reduction gear (5), the first output reduction gear (6), the second driving gear (9), the second input reduction gear (10), the second output reduction gear (11), and the output gear (13) are respectively provided with a key slot (16).

5. The unfolding type gear speed reducer according to claim 1, wherein the first input speed reduction gear (5), the second input speed reduction gear (10) and the output gear (13) are respectively provided with a plurality of oil guiding holes (17).

6. The unfolding gear reducer according to claim 1, wherein the inner sides of said first input reduction gear (5), said second input reduction gear (10) and said output gear (13) are provided with oil storage rings (18), respectively.