CN215891039U

CN215891039U - High-bearing speed reducer

Info

Publication number: CN215891039U
Application number: CN202122264589.4U
Authority: CN
Inventors: 谢文斌; 孔令觉; 丁李新
Original assignee: Zhejiang Gear Speed Reducer Co ltd
Current assignee: Zhejiang Gear Speed Reducer Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-22
Anticipated expiration: 2031-09-17

Abstract

The high-bearing speed reducer comprises a speed reducer box body and a driving motor, wherein the driving motor is fixed on the speed reducer box body, a transmission shaft of the driving motor penetrates through the speed reducer box body and extends into the speed reducer box body, an input gear is sleeved at the end part of the transmission shaft, a middle bearing seat and a side bearing seat are arranged in the speed reducer box body, a worm is arranged between the middle bearing seat and the side bearing seat, one end part of the worm, facing the middle bearing seat, penetrates through the middle bearing seat and extends to the other side of the middle bearing seat, an intermediate gear meshed with the input gear is sleeved at the end part of the worm, the input gear and the intermediate gear are helical gears, the speed reducer box body is further provided with an output shaft, a worm wheel matched with the worm is sleeved on the output shaft, and the output end of the output shaft penetrates through the speed reducer box body and extends to the outer side of the speed reducer box body; the utility model has the advantages of simple structure, reasonable design, compact integral size, large transmission ratio, high bearing capacity, stable transmission, high integral strength, strong heat dissipation performance and the like.

Description

High-bearing speed reducer

Technical Field

The utility model relates to a speed reducer, in particular to a high-bearing-capacity speed reducer.

Background

In industrial production or living use, particularly in the fields of logistics, stages, textiles and the like, in order to ensure that equipment can normally run, a speed reducer with a large transmission ratio and high bearing capacity is required to be used for transmission; the traditional speed reducer with large transmission ratio and high bearing capacity has large integral size and poor integral heat dissipation performance, and greatly limits the application of the speed reducer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides the high-bearing speed reducer which is simple in structure, reasonable in design, compact in overall size, large in transmission ratio, high in bearing capacity, stable in transmission, high in overall strength and high in heat dissipation performance.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a high speed reducer that bears, includes speed reducer box, driving motor is fixed in on the speed reducer box, driving motor's transmission shaft passes the speed reducer box and extends to in the speed reducer box and the tip cover is equipped with input gear, be equipped with intermediate shaft bearing, side bearing frame in the speed reducer box, be equipped with the worm between intermediate shaft bearing and the side bearing frame, the worm passes the opposite side and the tip cover that intermediate shaft bearing extended to intermediate shaft bearing towards the one end tip of intermediate shaft bearing and is equipped with the intermediate gear who meshes with input gear mutually, input gear, intermediate gear are the helical gear, the speed reducer box still is equipped with the output shaft, the cover is equipped with the worm assorted worm wheel on the output shaft, the output of output shaft passes the speed reducer box and extends to the speed reducer box outside.

Preferably, the cover plate is fixed to the speed reducer case through a fixing bolt.

Preferably, the lateral wall of the speed reducer box body adopts a concave-convex structure relative to the end parts of the two ends of the output shaft, the lateral wall of one side of the speed reducer box body opposite to the input gear adopts a wave structure, and the port part of the lateral wall of the speed reducer box body connected with the cover plate adopts an arc structure.

Preferably, the side wall of the speed reducer box body is provided with a plurality of reinforcing ribs.

Preferably, the driving motor is fixed on the side wall of the speed reducer box body through a mounting bolt.

Preferably, the input gear, the intermediate gear and the worm are all machined from alloy steel, and the gear ring of the worm gear is machined from KK alloy.

The utility model adopts the structure that the box body of the speed reducer is directly connected with the driving motor, and the connection link of the intermediate coupling is removed, so that the axial length of the speed reducer can be shortened, and the overall size is reduced; the mode that the cylindrical helical gear and the worm and gear transmission are combined is adopted, and the middle bearing seat and the side bearing seats are arranged in the box body for installing the worm, so that the transmission ratio and the transmission stability can be improved on the premise of ensuring the size, the temperature rise can be effectively reduced, and the gluing condition is prevented or reduced; the input gear, the intermediate gear and the worm are all made of alloy steel and are subjected to carburizing, quenching and grinding to obtain higher tooth surface hardness and machining precision, the gear ring of the worm gear is made of KK alloy, centrifugal casting is adopted in the process to obtain higher mechanical property, and the integral bearing and strength are improved; the side wall of the speed reducer box body adopts a concave-convex structure, a wave structure and an arc structure, and is provided with reinforcing ribs, so that the rigidity of the speed reducer box body is increased, and the heat dissipation performance of the speed reducer box body is improved; the utility model has the advantages of simple structure, reasonable design, compact integral size, large transmission ratio, high bearing capacity, stable transmission, high integral strength, strong heat dissipation performance and the like.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

fig. 2 is a side view of an embodiment of the present invention.

In the figure: 1. a speed reducer box body; 2. a drive motor; 3. a drive shaft; 4. an input gear; 5. a middle bearing seat; 6. a side bearing seat; 7. a worm; 8. an intermediate gear; 9. an output shaft; 10. a worm gear; 11. fixing the bolt; 12. a cover plate; 13. a relief structure; 14. a wave structure; 15. an arc-shaped structure; 16. reinforcing ribs; 17. and (6) installing a bolt.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.

Example (b):

the high-bearing speed reducer as shown in fig. 1 to 2 comprises a speed reducer box body 1 and a driving motor 2, wherein a cover plate 12 is fixed on the speed reducer box body 1 through a fixing bolt 11; the driving motor 2 is fixed on the side wall of the speed reducer box body 1 through a mounting bolt 17, a transmission shaft 3 of the driving motor 2 penetrates through the speed reducer box body 1 and extends into the speed reducer box body 1, an input gear 4 is sleeved at the end part of the transmission shaft, a middle bearing seat 5 and a side bearing seat 6 are arranged in the speed reducer box body 1, a worm 7 is arranged between the middle bearing seat 5 and the side bearing seat 6, one end part of the worm 7, facing the middle bearing seat 5, penetrates through the middle bearing seat 5 and extends to the other side of the middle bearing seat 5, an intermediate gear 8 meshed with the input gear 4 is sleeved at the end part of the worm 7, the input gear 4 and the intermediate gear 8 are helical gears, the speed reducer box body 1 is further provided with an output shaft 9, a worm wheel 10 matched with the worm 7 is sleeved on the output shaft 9, and the output end part of the output shaft 9 penetrates through the speed reducer box body 1 and extends to the outer side of the speed reducer box body 1, the input gear 4, the intermediate gear 8 and the worm 7 are all processed by alloy steel, and the gear ring of the worm gear 10 is processed by KK alloy; the lateral wall of speed reducer box 1 adopts concave-convex structure 13 for the both ends tip department of output shaft 9, speed reducer box 1 adopts wave structure 14 with the relative one side lateral wall of input gear 4, the port department of the lateral wall that speed reducer box 1 and apron 12 are connected adopts arc structure 15, be equipped with a plurality of strengthening ribs 16 on the lateral wall of speed reducer box 1.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.

Claims

1. The utility model provides a high speed reducer that bears, includes speed reducer box (1), driving motor (2), its characterized in that: the driving motor (2) is fixed on the speed reducer box body (1), a transmission shaft (3) of the driving motor (2) penetrates through the speed reducer box body (1) and extends into the speed reducer box body (1), an input gear (4) is sleeved at the end of the transmission shaft, a middle bearing seat (5) and a side bearing seat (6) are arranged in the speed reducer box body (1), a worm (7) is arranged between the middle bearing seat (5) and the side bearing seat (6), one end of the worm (7), which faces towards the middle bearing seat (5), penetrates through the middle bearing seat (5) and extends to the other side of the middle bearing seat (5), an intermediate gear (8) meshed with the input gear (4) is sleeved at the end of the worm (7), the input gear (4) and the intermediate gear (8) are helical gears, an output shaft (9) is further arranged on the speed reducer box body (1), and a worm wheel (10) matched with the worm (7) is sleeved on the output shaft (9), the output end of the output shaft (9) penetrates through the speed reducer box body (1) and extends to the outer side of the speed reducer box body (1).

2. The high load reduction gear according to claim 1, wherein: and a cover plate (12) is fixed on the speed reducer box body (1) through a fixing bolt (11).

3. The high load reduction gear according to claim 2, wherein: the lateral wall of speed reducer box (1) adopts concave-convex structure (13) for the both ends tip department of output shaft (9), speed reducer box (1) adopts wave structure (14) with one side lateral wall that input gear (4) is relative, the port department of the lateral wall that speed reducer box (1) and apron (12) are connected adopts arc structure (15).

4. The high load reduction gear according to claim 3, wherein: the side wall of the speed reducer box body (1) is provided with a plurality of reinforcing ribs (16).

5. The high load reduction gear according to claim 1, wherein: the driving motor (2) is fixed on the side wall of the speed reducer box body (1) through a mounting bolt (17).

6. The high load reduction gear according to claim 1, wherein: the input gear, the intermediate gear and the worm are all machined from alloy steel, and the gear ring of the worm gear is machined from KK alloy.