CN112161025A

CN112161025A - Double-output rotating platform speed reducer

Info

Publication number: CN112161025A
Application number: CN202011137157.0A
Authority: CN
Inventors: 金良华; 范方敏; 郑毅; 宋振书
Original assignee: Hengfengtai Precision Machinery Co ltd
Current assignee: Hengfengtai Precision Machinery Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-01-01

Abstract

A dual output rotary platform speed reducer. The problem that two output flanges capable of being controlled independently are difficult to install in a limited space of the existing speed reducing device is mainly solved. The method is characterized in that: a first input shaft (2) connected with a first power source and a second input shaft (3) connected with a second power source are arranged on the rack, and the first input shaft drives a first output flange (4) to rotate through a first transmission mechanism; the second input shaft drives a second output flange (5) to rotate through a second transmission mechanism; the rotating shaft of the first output flange and the rotating shaft of the second output flange are coaxially arranged. The invention provides a double-output rotary platform speed reducer, wherein two output flanges driven by two power sources are arranged in a shell of the double-output rotary platform speed reducer to independently output torque and independently drive, the two output flanges can be randomly set with different rotating speeds, directions and output torques, concentric output is realized in a limited space, and a use scene with volume limitation on a rotary platform is met.

Description

Double-output rotating platform speed reducer

Technical Field

The invention relates to the field of speed reducers, in particular to a speed reducer with double output rotary platforms.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.

At present, two rotary platforms which can be controlled independently are installed in a limited installation space according to the requirements of some scenes, and no good equipment can meet the requirements at present.

Disclosure of Invention

In order to overcome the defects of the background art, the invention provides a double-output rotary platform speed reducer, which mainly solves the problem that the existing speed reducer is difficult to install two output flanges capable of being controlled independently in a limited space.

The specific implementation scheme of the invention is as follows:

a double-output rotary platform speed reducer comprises a frame, wherein a first output flange and a second output flange are arranged on the frame, a first input shaft connected with a first power source and a second input shaft connected with a second power source are arranged on the frame,

the first input shaft drives the first output flange to rotate through the first transmission mechanism;

the second input shaft drives the second output flange to rotate through a second transmission mechanism;

the rotating shaft of the first output flange and the rotating shaft of the second output flange are coaxially arranged.

The rack is provided with a boss, the first transmission mechanism comprises a gear arranged on the circumferential outer wall of the boss, the gear is meshed with the first input shaft, and the gear is in linkage connection with the first output flange.

The boss is axially provided with a through groove, a first speed reducer is arranged in the through groove, the second output shaft is arranged on the first speed reducer, the first speed reducer comprises an output wheel, and the output wheel is in linkage connection with the second output flange.

The first speed reducer is an RV speed reducer.

The rack is provided with a convex ring opposite to the outer side of the boss, and a containing groove used for installing the gear and the first output flange is formed between the convex ring and the boss.

And a first sealing ring is arranged between the inner wall of the convex ring and the outer wall of the first output flange.

And a thin-wall angular contact bearing is arranged between the gear and the outer side of the boss.

And a second sealing ring is arranged between the inner wall of the first output flange and the circumferential outer wall of the front section of the speed reducer, and a third sealing ring is arranged between the circumferential outer wall of the rear end of the speed reducer and the inner wall of the through groove.

The first input shaft is arranged on the planetary speed reducer.

The invention has the beneficial effects that: the invention provides a double-output rotary platform speed reducer, wherein two output flanges driven by two power sources are arranged in a shell of the double-output rotary platform speed reducer to independently output torque and independently drive, the two output flanges can be randomly set with different rotating speeds, directions and output torques, concentric output is realized in a limited space, and a use scene with volume limitation on a rotary platform is met.

Drawings

FIG. 1 is a schematic cross-sectional view of one embodiment of the present invention.

Fig. 2 is a cross-sectional schematic view of a stent according to one embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which: as shown in the figure, the double-output rotary platform speed reducer comprises a rack 1, wherein a first output flange 4 and a second output flange 5 are arranged on the rack, a first input shaft 2 connected with a first power source and a second input shaft 3 connected with a second power source are arranged on the rack, and the first input shaft drives the first output flange 4 to rotate through a first transmission mechanism; the second input shaft drives the second output flange 5 to rotate through a second transmission mechanism; the rotating shaft of the first output flange and the rotating shaft of the second output flange are coaxially arranged. The invention provides a double-output rotary platform speed reducer, wherein two output flanges of the concentric double-output rotary platform speed reducer independently output torque and are independently driven to realize concentric output in a limited space, so that the use scene of volume limitation on a rotary platform is met, the structure is simple, the stability of the rotary platform is improved, the material cost, the labor cost and the machining cost are reduced, and better performances such as overturning moment, holding moment, axial force, radial force and the like are obtained. The first input shaft and the second input shaft can be connected with a motor to obtain power.

In this embodiment, as shown in the figure, a boss 11 is arranged on the frame, the first transmission mechanism includes a gear 12 arranged on the circumferential outer wall of the boss, the gear is engaged with the first input shaft, and the gear is in linkage connection with the first output flange. The first input shaft can be sleeved with a pinion which synchronously rotates to realize the transmission with the gear.

In this embodiment, as shown in the figure, the boss is axially provided with a through groove 111, the through groove is internally provided with a first speed reducer 6, the second output shaft is arranged on the first speed reducer, the first speed reducer comprises an output wheel 61, the second transmission mechanism comprises the output wheel, and the output wheel is in linkage connection with the second output flange. The first speed reducer is installed in the through groove and can be fixed through screws 91.

In the present embodiment, as shown in the figure, the first speed reducer is an RV speed reducer.

In this embodiment, as shown in the figure, a convex ring 12 is arranged on the frame opposite to the outer side of the boss, and a receiving groove 121 for mounting the gear and the first output flange is formed between the convex ring and the boss. First output flange installs in this holding tank, can realize through the screw between first output flange and the gear that the transmission is connected compact structure.

In this embodiment, as shown in the figure, a first sealing ring 13 is disposed between the inner wall of the convex ring and the outer wall of the first output flange.

In the present embodiment, as shown, a thin-walled angular contact bearing 14 is provided between the gear and the outer side of the boss. And by adopting double-row angular contact, compared with the slewing bearing with the traditional structure, the adjustable output platform has small clearance and low cost.

In this embodiment, as shown in the figure, a second sealing ring 15 is disposed between the inner wall of the first output flange and the circumferential outer wall of the front section of the speed reducer, and a third sealing ring 16 is disposed between the circumferential outer wall of the rear end of the speed reducer and the inner wall of the through groove. This first sealing washer, second sealing washer and third sealing washer can be the skeleton oil blanket, adopt the skeleton oil blanket to keep apart platform inside and outside, and waterproof dustproof grade reaches IP65, satisfies the requirement at the harsh environment work such as dust, splash water, heavy wet.

In the present embodiment, as shown in the figure, the planetary reducer 7 is further included, and the first input shaft is provided on the planetary reducer. The output torque is increased by adopting a planetary speed reducer and an RV speed reducer, and the requirement of large speed ratio can be realized.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. The utility model provides a dual output rotary platform speed reducer, includes frame (1), be equipped with first output flange (4) and second output flange (5) in the frame, its characterized in that: a first input shaft (2) connected with a first power source and a second input shaft (3) connected with a second power source are arranged on the frame,

the first input shaft drives the first output flange (4) to rotate through the first transmission mechanism;

the second input shaft drives a second output flange (5) to rotate through a second transmission mechanism;

2. The dual output rotary platform reducer of claim 1, wherein: be equipped with boss (11) in the frame, first drive mechanism includes gear (12) that boss circumference outer wall was equipped with, the gear with first input shaft meshing, the gear with first output flange linkage is connected.

3. The dual output rotary platform reducer of claim 1, wherein: the boss axial is equipped with logical groove (111), it is equipped with first speed reducer (6) to lead to the inslot, the second output shaft is located on the first speed reducer, first speed reducer includes output wheel (61), second drive mechanism includes the output wheel, the output wheel with the linkage of second output flange is connected.

4. The dual output rotary platform reducer of claim 3, wherein: the first speed reducer is an RV speed reducer.

5. The dual output rotary platform reducer of claim 1, wherein: a convex ring (12) is arranged on the rack opposite to the outer side of the boss, and a containing groove (121) used for installing the gear and the first output flange is formed between the convex ring and the boss.

6. The dual output rotary platform reducer of claim 5, wherein: and a first sealing ring (13) is arranged between the inner wall of the convex ring and the outer wall of the first output flange.

7. The dual output rotary platform reducer of claim 6, wherein: and a thin-wall angular contact bearing (14) is arranged between the gear and the outer side of the boss.

8. The dual output rotary platform reducer of claim 7, wherein: and a second sealing ring (15) is arranged between the inner wall of the first output flange and the circumferential outer wall of the front section of the speed reducer, and a third sealing ring (16) is arranged between the circumferential outer wall of the rear end of the speed reducer and the inner wall of the through groove.

9. The dual output rotary platform reducer of claim 1, wherein: the planetary reducer is characterized by further comprising a planetary reducer (7), and the first input shaft is arranged on the planetary reducer.