CN218000318U

CN218000318U - Right-angle planetary reducer structure

Info

Publication number: CN218000318U
Application number: CN202222226167.2U
Authority: CN
Inventors: 董淳
Original assignee: Tianjin Pinghe Precision Machinery Co ltd
Current assignee: Tianjin Pinghe Precision Machinery Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-09
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a right angle planetary reducer structure, which comprises an outer shell, the shell inner wall rotates respectively through the pivot and is connected with gear one and gear two, gear one and gear two intermeshing, the left side surface fixed connection transmission shaft of gear one, two lower extreme fixedly connected with drive wheels one of gear, the drive wheel is to being equipped with drive wheel two once, the utility model discloses when user need change the drive ratio at that time, stir support piece and compression spring two, rotatory threaded rod afterwards, shorten the distance between drive wheel two and the drive wheel one, the drive wheel of toper structural design extrudees the steel band with drive wheel two this moment, makes the steel band to keeping away from the circular direction motion of drive wheel one, because steel band length is certain, the steel band extrusion makes its compression spring keep away from driving wheel one and from driving wheel two this moment in the lump each other, can change the drive ratio after rotatory threaded rod through above-mentioned structure to the application range of this equipment has been improved.

Description

Right-angle planetary reducer structure

Technical Field

The utility model relates to a speed reducer field specifically is a right angle planetary reducer structure.

Background

The speed reducer is an independent closed transmission device between a prime motor and a working machine, is used for reducing the rotating speed and increasing the torque so as to meet the working requirement, is also used for increasing the speed in some occasions, is called as a speed increaser, and the most suitable speed reducer is selected according to the selection conditions, technical parameters, the performance of a power machine, the economical efficiency and other factors of the working machine compared with the overall dimension, the transmission efficiency, the bearing capacity, the quality, the price and the like of the speed reducers of different types and varieties.

However, in the prior art, when the speed reducer is in actual use, a plurality of groups of gears are adopted to realize speed reduction when the traditional speed reducer works, and the transmission ratio is limited by the size of the gears, so that the transmission ratio cannot be changed, and the application range is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a right angle planetary reducer structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a first gear and a second gear are respectively and rotatably connected to the inner wall of the shell through rotating shafts, the first gear is meshed with the second gear, a transmission shaft is fixedly connected to the outer surface of the left side of the first gear, a first transmission wheel is fixedly connected to the lower end of the second gear, a second transmission wheel is arranged on the lower portion of the first transmission wheel in a facing mode, a threaded rod is rotatably connected to the outer surface of the lower end of the second transmission wheel through rotating shafts, the threaded rod penetrates through the outer wall of the shell and is in threaded connection with the shell, the first transmission wheel and the second transmission wheel are of a conical structure design, a steel belt is sleeved on the inclined surface of the first transmission wheel and the inclined surface of the second transmission wheel, a guide rod is rotatably connected to the upper end of the inner surface of the shell through the outer surface of the first guide rod, a first driven wheel is slidably connected to the outer surface of the lower end of the shell, an output shaft penetrates through the corresponding position of the lower end of the driven wheel, a second driven wheel is provided with an adjusting groove, a first spring is fixedly connected between the adjusting groove and the output shaft, the first driven wheel and the second wheel are of a conical structure design and correspond to each other, and the steel belt is also sleeved on the inclined surfaces of the driven wheel first driven wheel and the second driven wheel.

Preferably, the outer surface of the lower end of the shell is located on the right side of the threaded rod, a sliding groove is formed in the outer surface of the lower end of the shell, a sliding block is connected inside the sliding groove in a sliding mode, a one end, far away from the sliding groove, of the sliding block is fixedly connected with a resisting block, and a second spring is fixedly connected between the sliding block and the sliding groove.

Preferably, the sliding blocks are matched with the sliding grooves correspondingly and are designed in a T-shaped structure.

Preferably, the annular outer surface of the output shaft is fixedly connected with a limiting block, a limiting groove is formed in the position, corresponding to the limiting block, of the adjusting groove, and the limiting block is located inside the limiting groove and limits the rotation of the output shaft and the guide rod.

Preferably, the structure of the inner parts of the first driven wheel and the guide rod is the same as that of the second driven wheel and the output shaft.

Preferably, the inclined plane of steel band and the inclined plane of the first contact of drive wheel and the second contact of driven wheel and the inclined plane of driven wheel are all symmetrical to be seted up anti-skidding line, prevent that horizontal skidding from appearing in the steel band.

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

1. the utility model discloses when the user needs to change the drive ratio at that time, stir the piece of keeping out and compression spring two, the threaded rod is rotated afterwards, shorten the distance between drive wheel two and drive wheel one, drive wheel one and drive wheel two of toper structural design extrude the steel band at this moment, make the steel band move to keeping away from drive wheel one circular direction, because the steel band length is certain, the steel band extrudees from driving wheel one and from driving wheel two at this moment, make its compression spring keep away from each other together, can change the drive ratio after rotating the threaded rod through above-mentioned structure, thereby the application range of this equipment has been improved;

2. the utility model discloses still confirm the back when the rotatory angle of threaded rod simultaneously, the user loosens the piece of supporting, supports the piece and moves to the threaded rod direction through the slider along the spout under the promotion of spring two, presss from both sides tightly the screw rod and resists, prevents the threaded rod rotation.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the output shaft and the driven wheel II of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a first gear; 3. a second gear; 4. a first transmission wheel; 5. a second driving wheel; 6. a steel belt; 7. a driven wheel I; 8. a second driven wheel; 9. an adjustment groove; 10. a first spring; 12. an output shaft; 13. a threaded rod; 14. a limiting groove; 15. a limiting block; 16. a chute; 17. a second spring; 18. a slider; 19. a resisting block; 20. a guide rod.

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. 1-3, the present invention provides a technical solution:

a right-angle planetary reducer structure comprises a shell 1, wherein the inner wall of the shell 1 is rotatably connected with a first gear 2 and a second gear 3 through a rotating shaft respectively, the first gear 2 and the second gear 3 are meshed with each other, the outer surface of the left side of the first gear 2 is fixedly connected with a transmission shaft, the lower end of the second gear 3 is fixedly connected with a first transmission wheel 4, the first transmission wheel 4 is provided with a second transmission wheel 5 in a downward opposite mode, the outer surface of the lower end of the first transmission wheel is rotatably connected with a threaded rod 13 through the rotating shaft, the threaded rod 13 penetrates through the outer wall of the shell 1 and is in threaded connection with the shell 1, the first transmission wheel 4 and the second transmission wheel 5 are in a conical structural design, a steel belt 6 is sleeved on the inclined surfaces of the first transmission wheel 4 and the second transmission wheel 5, the upper end of the inner surface of the shell 1 is rotatably connected with a guide rod 20 through the rotating shaft, the outer surface of the lower end of the guide rod 20 is slidably connected with a first driven wheel 7, an output shaft 12 penetrates through a position, the lower end of the inner surface of the shell 1 corresponding to the first driven wheel 7, a second driven wheel 8 is arranged at the upper end of the output shaft 12, an adjusting groove 9 is formed in a first spring 10 fixedly connected between the adjusting groove, the first driven wheel 7 and the driven wheel 8, the driven wheel is sleeved on the inclined surface of the steel belt 7.

Preferably, a sliding groove 16 is formed in the position, located on the right side of the threaded rod 13, of the outer surface of the lower end of the shell 1, a sliding block 18 is connected inside the sliding groove 16 in a sliding mode, a resisting block 19 is fixedly connected to one end, far away from the sliding groove 16, of the sliding block 18, and a second spring 17 is fixedly connected between the sliding block 18 and the sliding groove 16.

Preferably, the sliding block 18 and the sliding groove 16 are matched with each other correspondingly and are designed in a T-shaped structure.

Preferably, the annular outer surface of the output shaft 12 is fixedly connected with a limiting block 15, a limiting groove 14 is formed in the position, corresponding to the limiting block 15, of the adjusting groove 9, and the limiting block 15 is located inside the limiting groove 14.

Preferably, the structures of the driven wheel I7 and the guide rod 20 are the same as the structures of the driven wheel II 8 and the output shaft 12.

Preferably, the inclined plane of the steel belt 6, the inclined plane of the first driving wheel 4 and the second driving wheel 5, and the inclined plane of the first driven wheel 7 and the second driven wheel 8 are symmetrically provided with anti-skid grains.

The working principle is as follows: when the device is used, the transmission shaft rotates through the first gear 2 to transmit power to the first transmission wheel 4 through the second gear 3, at the moment, the first transmission wheel 4 drives the second driven wheel 8 to rotate through the steel belt 6 to transmit the power to the output shaft 12, when a user needs to change a transmission ratio, the resisting block 19 is shifted and the second spring 17 is compressed, then the threaded rod 13 is rotated to shorten the distance between the second transmission wheel 5 and the first transmission wheel 4, at the moment, the first transmission wheel 4 and the second transmission wheel 5 which are designed in a conical structure extrude the steel belt 6 to enable the steel belt 6 to move towards a circular direction far away from the first transmission wheel 4, because the length of the steel belt 6 is constant, the first driven wheel 7 and the second driven wheel 8 are extruded by the steel belt 6 to enable the first spring 10 to be far away from each other, the transmission ratio can be changed after the threaded rod 13 is rotated through the structure, the use range of the device is improved, after the rotation angle of the threaded rod 13 is determined, the user loosens the resisting block 19, the resisting block 19 moves towards the threaded rod 13 along the sliding groove 16 under the pushing of the second spring 17, and clamps the threaded rod 13 to prevent the threaded rod from rotating.

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. The utility model provides a right angle planetary reducer structure, includes shell (1), its characterized in that: the inner wall of the shell (1) is respectively and rotatably connected with a first gear (2) and a second gear (3) through rotating shafts, the first gear (2) and the second gear (3) are meshed with each other, the outer surface of the left side of the first gear (2) is fixedly connected with a transmission shaft, the lower end of the second gear (3) is fixedly connected with a first transmission wheel (4), the first transmission wheel (4) is provided with a second transmission wheel (5) in a downward opposite mode, the outer surface of the lower end is rotatably connected with a threaded rod (13) through the rotating shafts, the threaded rod (13) penetrates through the outer wall of the shell (1) and is in threaded connection with the shell (1), the first transmission wheel (4) and the second transmission wheel (5) are in a conical structural design, a steel belt (6) is sleeved on the inclined planes of the first transmission wheel (4) and the second transmission wheel (5), the upper end of the inner surface of the shell (1) is rotatably connected with a guide rod (20) through the rotating shafts, the outer surface of the lower end of the guide rod (20) is slidably connected with a first driven wheel (7), an output shaft (12) penetrates through the position, the lower end of the inner surface of the shell (1) corresponding to the first driven wheel (7), a second driven wheel (8) is provided with an adjusting groove (9), and an adjusting groove (10) is fixedly connected between the outer surface of the adjusting groove (9), the driven wheel I (7) and the driven wheel II (8) are both in conical structural design and correspond to each other, and the steel belt (6) is also sleeved on the inclined surfaces of the driven wheel I (7) and the driven wheel II (8).

2. The right-angle planetary reducer structure according to claim 1, characterized in that: the outer surface of the lower end of the shell (1) is located on the right side of the threaded rod (13) and is provided with a sliding groove (16), the sliding groove (16) is connected with a sliding block (18) in a sliding mode, one end, far away from the sliding groove (16), of the sliding block (18) is fixedly connected with a resisting block (19), and a spring II (17) is fixedly connected between the sliding block (18) and the sliding groove (16).

3. The right-angle planetary reducer structure according to claim 2, characterized in that: the sliding block (18) and the sliding groove (16) are matched with each other correspondingly and are designed into a T-shaped structure.

4. The right-angle planetary reducer structure according to claim 3, characterized in that: the annular outer surface of the output shaft (12) is fixedly connected with a limiting block (15), a limiting groove (14) is formed in the position, corresponding to the limiting block (15), of the adjusting groove (9), and the limiting block (15) is located inside the limiting groove (14).

5. The right-angle planetary reducer structure according to claim 4, wherein: the structures of the driven wheel I (7) and the inner part of the guide rod (20) are the same as those of the driven wheel II (8) and the output shaft (12).

6. The right-angle planetary reducer structure according to claim 5, characterized in that: and anti-skid grains are symmetrically arranged on the inclined plane of the steel belt (6), the inclined plane in contact with the first driving wheel (4) and the second driving wheel (5) and the inclined plane in contact with the first driven wheel (7) and the second driven wheel (8).