CN217177346U

CN217177346U - Reduction gearbox with output shaft double-face installation function

Info

Publication number: CN217177346U
Application number: CN202221124315.3U
Authority: CN
Inventors: 左勤
Original assignee: Changzhou Juge Transmission Technology Co ltd
Current assignee: Changzhou Juge Transmission Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-12
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a reduction gearbox with two-sided installation function of output shaft, including lower box, one side fixedly connected with upper box of lower box, the both sides of lower box all are provided with first bearing, the both sides of upper box all are provided with the second bearing, be connected with the output shaft between two the first bearing, the surface of output shaft is provided with first gear, is connected with the transmission shaft between two the second bearing, the middle part of transmission shaft is provided with the second gear, the length of first gear is greater than the length of second gear, first gear is located between two first bearings, and the distance of first gear one end to the first bearing that is close to mutually equals with the distance of the first gear other end to another the first bearing; the utility model discloses a two-sided installation of output shaft on the reducing gear box has increased the user demand of output shaft on the reducing gear box, and the practicality is good.

Description

Reduction gearbox with output shaft double-face installation function

Technical Field

The utility model relates to a mechanical transmission technical field specifically is a reducing gear box with two-sided installation function of output shaft.

Background

The reduction gearbox is also called as a speed reducer or a speed reducer, works according to the principle that a prime motor is connected with the reduction gearbox, and the reduction gearbox is connected with a working machine, and is power transmission equipment. The gearbox can be divided into an industrial gearbox and a steam gearbox, the industrial gearbox can be divided into a worm gear gearbox, a worm gear gearbox, a planetary gearbox and the like, and the gearbox is mainly divided into a single stage, a second stage and a multi-stage according to the transmission stage number.

However, one end of the output shaft of the reduction gearbox in the prior art can only be installed on one side of the reduction gearbox shell in a one-way mode, when one end of the output shaft for installing the reduction gearbox is installed on the other side of the reduction gearbox shell, because the gear on the output shaft and the gear on the other output shaft cannot be meshed, the reversing double-sided installation of the output shaft on the reduction gearbox cannot be achieved, the using requirement of the reduction gearbox cannot be met, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reducing gear box with two-sided installation function of output shaft to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the reduction gearbox with the function of double-sided installation of the output shaft comprises a lower box body, wherein an upper box body is fixedly connected to one side of the lower box body, first bearings are arranged on two sides of the lower box body, second bearings are arranged on two sides of the upper box body, the output shaft is connected between the first bearings, a first gear is arranged on the surface of the output shaft, a transmission shaft is connected between the second bearings, a second gear is arranged in the middle of the transmission shaft, the length of the first gear is larger than that of the second gear, the first gear is located between the two first bearings, and the distance from one end of the first gear to the first bearing which is close to the first bearing is equal to the distance from the other end of the first gear to the other first bearing.

Preferably, symmetrical first mounting holes are formed in both sides of the lower box body, the first bearing is fixedly mounted in the first mounting holes, symmetrical second mounting holes are formed in both sides of the upper box body, the second bearing is fixedly mounted in the second mounting holes, a through cover is arranged at one end of one of the first mounting holes, a blank cover is arranged at one end of the other first mounting hole, a through hole is formed in the through cover, and one end of the output shaft penetrates through the through hole to extend to the outside of the lower box body and is provided with a first flat key.

Preferably, first shaft sleeves are arranged on two sides of the first gear, one side of each first shaft sleeve abuts against the inner side of the first bearing close to the first shaft sleeve, a distance ring is arranged on one side of the second gear, one side of each distance ring abuts against one side of the second bearing, the other side of each distance ring abuts against one side of the second gear, a transmission gear is arranged on the other side of the second gear, and the length of each distance ring and the length of each transmission gear are larger than that of the second gear.

Preferably, the inner ends of the first bearings are aligned with the inner ends of the second bearings close to each other, the two first bearings are coaxially arranged, and the two second bearings are coaxially arranged.

Preferably, the first gear and the second gear are meshed, the output shaft is connected with the first gear through a second flat key, and the transmission shaft is connected with the second gear through a third flat key.

Preferably, the first bearing and the second bearing are both tapered roller bearings.

Preferably, the inner ring of the through hole is provided with a framework oil seal.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is composed of a lower box body, a first bearing, a first shaft sleeve, an output shaft and a first gear; the upper box body, the second bearing, the distance ring, the second gear, the transmission shaft and the transmission gear are matched, when one end of the output shaft is installed to the right side of the first box body, the output shaft is connected to the first shaft sleeve and the first bearing, the through hole in the transparent cover penetrates through the output shaft and then is fixedly connected with the right end of the lower box body through the inner hexagonal screw, the blank cover is fixedly connected with the left end of the lower box body through the inner hexagonal screw, and the first gear is meshed with the second gear; when one end of the output shaft is installed to the left side of the first box body, the position degree of the output shaft is rotated, the position of the transparent cover and the position of the blank cover are exchanged, and the transmission shaft can be installed on the right side of the box body, so that the output shaft can be installed on the reduction box body on the double sides, the use requirement of the output shaft on the reduction box body is increased, and the practicability is good.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

In the figure: 1. a lower box body; 2. a first bearing; 3. a first bushing; 4. an output shaft; 5. a first gear; 6. covering the blank with a cover; 7. an upper box body; 8. a second bearing; 9. a distance ring; 10. a second gear; 11. a drive shaft; 12. a transmission gear; 13. a transparent cover; 14. a first flat key; 15. and (5) framework oil seal.

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. 1-2, the present invention provides a technical solution: reduction box with two-sided installation function of output shaft, including lower box 1, box 7 is gone up to one side fixedly connected with of lower box 1, the both sides of lower box 1 all are provided with first bearing 2, the both sides of going up box 7 all are provided with second bearing 8, be connected with output shaft 4 between two first bearing 2, the surface of output shaft 4 is provided with first gear 5, be connected with transmission shaft 11 between two second bearings 8, the middle part of transmission shaft 11 is provided with second gear 10, first gear 5's length is greater than the length of second gear 10, first gear 5 is located between two first bearings 2, and the distance of first gear 5 one end to the first bearing 2 that is close to mutually equals with the distance of the first gear 5 other end to another first bearing 2.

Wherein, symmetrical first mounting hole has all been seted up to the both sides of lower box 1, first bearing 2 fixed mounting is in first mounting hole, symmetrical second mounting hole has all been seted up to the both sides of going up

box

7, 8 ann fixed mounting of second bearing are in the second mounting hole, the one end of one of them first mounting hole is provided with through lid 13, the one end of another one of them first mounting hole is provided with stifle 6, be provided with the thru hole on the through lid 13, the one end of output shaft 4 passes the thru hole and extends to the outside of box 1 down and be provided with first flat key 14, furtherly, through lid 13 and stifle 6 all through hexagon socket head cap screw and the first mounting hole fixed mounting that corresponds.

Wherein, the both sides of first gear 5 all are provided with first axle sleeve 3, first axle sleeve 3 fixed connection is in the surface of output shaft 4, one side of two first axle sleeves 3 all offsets with the inboard of the first bearing 2 that is close to mutually, furtherly, fix a position first bearing 2 through first axle sleeve 3, one side of second gear 10 is provided with distance ring 9, one side and second bearing 8 one side of distance ring 9 offset, the opposite side and second gear 10 one side of distance ring 9 offset, furtherly, fix a position second gear 10 or second bearing 8 through distance ring 9, the opposite side of second gear 10 is provided with drive gear 12, distance ring 9 and drive gear 12's length all is greater than the length of second gear 10.

The inner side ends of the first bearings 2 are aligned with the inner side ends of the second bearings 8 which are close to each other, the two first bearings 2 are coaxially arranged, the two second bearings 8 are coaxially arranged, and further, the position relation of the first bearings 2 and the second bearings 8 on the upper box body 7 and the lower box body 1 is ensured. .

Wherein, the first gear 5 is engaged with the second gear 10, the output shaft 4 is connected with the first gear 5 through a second flat key, and the transmission shaft 11 is connected with the second gear 10 through a third flat key, further, the first gear 5 and the second gear 10 can be stably connected.

The first bearing 2 and the second bearing 8 are both tapered roller bearings.

Wherein, the inner ring of the through hole is provided with a framework oil seal 15.

The working principle is as follows: when one end of the output shaft 4 close to the first flat key 14 is installed to the right of the first box body, the transparent cover 13 is taken out, the output shaft 4 is connected to the first shaft sleeve 3 and the first bearing 2, then the through hole in the transparent cover 13 penetrates through the output shaft 4 and is fixedly connected with the right end of the lower box body 1 through the hexagon socket head cap screw, the blank cap 6 is fixedly connected with the left end of the lower box body 1 through the hexagon socket head cap screw, and the first gear 5 is meshed with the second gear 10; when one end of the output shaft 4 close to the first flat key 14 is installed to the left side of the first box body, the position of the output shaft 4 is rotated by 180 degrees, and then the position of the through cover 13 and the position of the blank cover 6 are exchanged, because the first gear 5 and the second gear 10 are arranged in the position relation of the first box body and the second box body, the first gear 5 and the second gear 10 can still be meshed, the right installation of the transmission shaft 11 on the lower box body is completed, the double-sided installation of the output shaft on the reduction box is realized, the use requirement of the output shaft on the reduction box is increased, and the practicability is good.

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. Reduction box with two-sided installation function of output shaft, including lower box (1), box (7) are gone up to one side fixedly connected with of lower box (1), the both sides of lower box (1) all are provided with first bearing (2), the both sides of going up box (7) all are provided with second bearing (8), its characterized in that: an output shaft (4) is connected between the two first bearings (2), a first gear (5) is arranged on the surface of the output shaft (4), a transmission shaft (11) is connected between the two second bearings (8), a second gear (10) is arranged in the middle of the transmission shaft (11), the length of the first gear (5) is larger than that of the second gear (10), the first gear (5) is located between the two first bearings (2), and the distance from one end of the first gear (5) to the first bearing (2) close to the first gear is equal to the distance from the other end of the first gear (5) to the other first bearing (2).

2. The reduction gearbox with output shaft double-sided mounting function as claimed in claim 1, wherein: symmetrical first mounting holes are formed in the two sides of the lower box body (1), the first bearing (2) is fixedly mounted in the first mounting holes, symmetrical second mounting holes are formed in the two sides of the upper box body (7), the second bearing (8) is fixedly mounted in the second mounting holes, one end of the first mounting hole is provided with a through cover (13), the other end of the first mounting hole is provided with a blank cover (6), a through hole is formed in the through cover (13), and one end of the output shaft (4) penetrates through the through hole to extend to the outer portion of the lower box body (1) and is provided with a first flat key (14).

3. The reduction gearbox with output shaft double-sided mounting function as claimed in claim 1, wherein: the two sides of the first gear (5) are provided with first shaft sleeves (3), one sides of the first shaft sleeves (3) are abutted to the inner sides of the first bearings (2) close to each other, one side of the second gear (10) is provided with a distance ring (9), one side of the distance ring (9) is abutted to one side of the second bearing (8), the other side of the distance ring (9) is abutted to one side of the second gear (10), the other side of the second gear (10) is provided with a transmission gear (12), and the lengths of the distance ring (9) and the transmission gear (12) are both greater than the length of the second gear (10).

4. The reduction gearbox with output shaft double-sided mounting function as claimed in claim 1, wherein: the inboard end of first bearing (2) is with the inboard end alignment of second bearing (8) that are close to each other, two first bearing (2) are coaxial setting, two second bearing (8) are coaxial setting.

5. The reduction gearbox with output shaft double-sided mounting function as claimed in claim 1, wherein: the first gear (5) is meshed with the second gear (10), the output shaft (4) is connected with the first gear (5) through a second flat key, and the transmission shaft (11) is connected with the second gear (10) through a third flat key.

6. The reduction gearbox with output shaft double-sided mounting function as claimed in claim 1, wherein: the first bearing (2) and the second bearing (8) are both tapered roller bearings.

7. The reduction gearbox with output shaft double-sided mounting function as claimed in claim 2, wherein: and a framework oil seal (15) is arranged on the inner ring of the through hole.