CN219673186U

CN219673186U - Double-input speed reducer capable of saving installation space

Info

Publication number: CN219673186U
Application number: CN202320967800.5U
Authority: CN
Inventors: 屈桂兰
Original assignee: Jiangsu Tailong Decelerator Machinery Co Ltd
Current assignee: Jiangsu Tailong Decelerator Machinery Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-12
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to a double-input speed reducer capable of saving installation space, wherein a first input shaft and a second input shaft are supported in a box body through bearings, the upper ends of the first input shaft and the second input shaft extend out of the upper end face of the box body and are connected with a motor through flanges, the lower ends of the first input shaft and the second input shaft are respectively meshed with a first bevel gear and a second bevel gear through bevel gears, the first bevel gear is sleeved on a first intermediate shaft through keys, the second bevel gear is sleeved on a second intermediate shaft through keys, the first intermediate shaft and the second intermediate shaft are symmetrically arranged relative to the central line of an output shaft, the first intermediate shaft and the second intermediate shaft drive three transmission ring plates to perform plane motion in 120-degree phase difference, and an inner gear ring of the transmission ring plate is meshed with an output gear on the output shaft. Through two input shafts extending out of the upper end face of the box body, the occupied area of the speed reducer is reduced, the installation space is saved, and the application environment of the speed reducer is diversified.

Description

Double-input speed reducer capable of saving installation space

Technical Field

The utility model relates to the field of speed reducers, in particular to a double-input speed reducer capable of saving installation space.

Background

The three-ring speed reducer is an advanced translational transmission mechanical speed reducer, and is widely applied to the fields of mines, metallurgy, petroleum, chemical industry, rubber, engineering machinery, lifting transportation, light industry and the like. The planetary gear speed reducer has the advantages of large torque, stable operation, large transmission ratio, good overload performance and the like, and can be generally used for replacing a gear planetary speed reducer, a cycloidal pin gear speed reducer, a multi-stage cylindrical gear speed reducer and the like. The center line of the input shaft of the existing vertical shaft three-ring speed reducer is parallel to the bottom foot of the box body, the motor is generally connected with the input shaft of the speed reducer through a coupling, the motor is horizontally arranged on one side of the speed reducer, the support is supported and stressed through a single pivot of the speed reducer, the installation mode is not stable enough, the size of the speed reducer is increased, the occupied area of the whole machine is large, and in use, the vibration and the noise are large.

For example, chinese patent CN106224449a discloses a special three-ring speed reducer for billet roller way, by setting three parallel rotating shafts, the identical and different ends of the middle rotating shaft and the rotating shafts at two sides extend out of the box, the center line of the input shaft at two sides is parallel to the bottom of the box, the motor is generally connected with the input shaft of the speed reducer through a coupling, and the motor is horizontally installed at one side of the speed reducer. But this has increased the whole volume of speed reducer, and complete machine area is big for the speed reducer can't install in some space narrowly, and operational environment is limited.

Disclosure of Invention

The utility model provides a double-input speed reducer which saves installation space and is reliable in operation.

The technical scheme adopted by the utility model is as follows: the utility model provides a save installation space's dual input speed reducer, includes box, first input shaft, second input shaft, output shaft, first, second input shaft all support in the box through the bearing, its characterized in that: the upper ends of the first input shaft and the second input shaft extend out of the upper end face of the box body and are connected with the motor through a flange, the lower ends of the first input shaft and the second input shaft are respectively meshed with a first bevel gear and a second bevel gear through bevel gears, the first bevel gear is sleeved on a first intermediate shaft through a key, the second bevel gear is sleeved on a second intermediate shaft through a key, the first intermediate shaft and the second intermediate shaft are symmetrically arranged relative to the central line of the output shaft, the first intermediate shaft and the second intermediate shaft drive three transmission ring plates to conduct plane motion in 120-degree phase difference, and the inner gear ring of the transmission ring plates is meshed with the output gear on the output shaft.

Further, the output shaft is a hollow shaft or a solid shaft.

Further, the upper parts of the first input shaft and the second input shaft are hollow shafts.

Further, a perspective cover communicated with the inner cavity of the box body is arranged in the middle of the upper end face of the box body.

Further, the upper end of the perspective cover is fixedly connected with a ventilation cap.

Based on the scheme, the utility model has the following positive and beneficial effects:

1. through setting up cross-under at first, the second input shaft of box up end, reduced the area of speed reducer, saved installation space for the speed reducer can install in some space compact environment on the basis that does not change its power.

2. The two input shafts are arranged, so that the application environment becomes diversified, only one motor can be adopted when large power output is not needed, and the two motors can be operated simultaneously when the power is insufficient.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of B-B in FIG. 1.

In the figure: the box 1, a first input shaft 2, a second input shaft 3, an output shaft 4, a first bevel gear 5, a second bevel gear 6, a first intermediate shaft 7, a second intermediate shaft 8, a transmission ring plate 9, an annular gear 901, an output gear 10, a perspective cover 11 and a ventilation cap 12.

Detailed Description

Further description is provided below with reference to the drawings and examples.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the double-input speed reducer capable of saving installation space comprises a box body 1, a first input shaft 2, a second input shaft 3, an output shaft 4, a first bevel gear 5, a second bevel gear 6, a first intermediate shaft 7, a second intermediate shaft 8, a transmission ring plate 9, an inner gear ring 901, an output gear 10, a perspective cover 11 and a ventilation cap 12. The first input shaft 2 and the second input shaft 3 are supported in the box body 1 through bearings, the upper ends of the first input shaft and the second input shaft are extended out of the upper end face of the box body and are connected with the motor through flanges, and the two input shafts are arranged, so that the speed reducer can be applied to various environments, and can only adopt one motor when large power output is not needed, and can simultaneously operate two motors when power is insufficient. The middle part of the upper end surface of the box body is provided with a perspective cover 11 communicated with the inner cavity of the box body, and the upper end of the perspective cover is fixedly connected with a ventilation cap 12 for filtering impurities in the air. The upper parts of the first input shaft 2 and the second input shaft 3 are hollow shafts, the upper ends of the first input shaft 2 and the second input shaft 3 are connected with motors through flanges, the lower ends of the first input shaft and the second input shaft are respectively meshed with the first bevel gear 5 and the second bevel gear 6 through bevel gears, the first bevel gear 5 is sleeved on the first intermediate shaft 7 through keys, the second bevel gear 6 is sleeved on the second intermediate shaft 8 through keys, the first intermediate shaft 7 and the second intermediate shaft 8 drive three transmission ring plates 9 to conduct plane motion in 120-degree phase difference, and the inner gear ring 901 of the transmission ring plates is meshed with an output gear 10 on the output shaft 4. The design of the integral structure reduces the occupied area of the speed reducer.

Based on the above embodiment, the output shaft 4 may alternatively use a hollow shaft or a solid shaft.

Claims

1. The utility model provides a save installation space's dual input speed reducer, includes box, first input shaft, second input shaft, output shaft, first, second input shaft all support in the box through the bearing, its characterized in that: the upper ends of the first input shaft and the second input shaft extend out of the upper end face of the box body and are connected with the motor through a flange, the lower ends of the first input shaft and the second input shaft are respectively meshed with a first bevel gear and a second bevel gear through bevel gears, the first bevel gear is sleeved on a first intermediate shaft through a key, the second bevel gear is sleeved on a second intermediate shaft through a key, the first intermediate shaft and the second intermediate shaft are symmetrically arranged relative to the central line of the output shaft, the first intermediate shaft and the second intermediate shaft drive three transmission ring plates to conduct plane motion in 120-degree phase difference, and the inner gear ring of the transmission ring plates is meshed with the output gear on the output shaft.

2. The dual input speed reducer for saving installation space according to claim 1, characterized in that: the output shaft is a hollow shaft or a solid shaft.

3. The dual input speed reducer for saving installation space according to claim 1, characterized in that: the upper parts of the first input shaft and the second input shaft are hollow shafts.

4. The dual input speed reducer for saving installation space according to claim 1, characterized in that: the middle part of the upper end face of the box body is provided with a perspective cover communicated with the inner cavity of the box body.

5. The dual input speed reducer for saving installation space according to claim 4, wherein: and the upper end of the perspective cover is fixedly connected with a ventilation cap.