CN214118907U

CN214118907U - Concentric transmission type speed reducer

Info

Publication number: CN214118907U
Application number: CN202023145418.1U
Authority: CN
Inventors: 周建峰; 邢胜利
Original assignee: Yixing Ruibo Environmental Protection Machinery Equipment Co ltd
Current assignee: Yixing Ruibo Environmental Protection Machinery Equipment Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-03
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a concentric driven type speed reducer belongs to speed reducer technical field, including mount table, first reduction gears, second reduction gears, elastic mechanism and latched device, the mount table sets up on the horizontal plane, first reduction gears sets up on the mount table, second reduction gears installs on first reduction gears, elastic mechanism sets up on first reduction gears, latched device sets up on the mount table. The utility model discloses a concentric driven type speed reducer adopts multistep speed reduction step, improves the speed reduction effect, adopts elastic mechanism and latched device to cooperate simultaneously and carries out convenient installation and dismantlement to the speed reducer, adopts the universal joint to improve the concentricity of device, restricts the paddle amplitude of oscillation simultaneously.

Description

Concentric transmission type speed reducer

Technical Field

The utility model relates to a speed reducer technical field especially relates to a concentric driven type speed reducer.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

The current speed reducer that a universal joint that discloses a number is CN209743534U inserts the input, this utility model relates to a speed reducer that universal joint inserted the input, including speed reducer box, input shaft, an external flange of box, input shaft one end stretches into in the box, and in the flange was arranged in to the other end, universal joint coupling was connected to the input shaft other end. When the flange of the flange is connected with power source equipment and a box body of the speed reducer, the built-in universal joint coupler of the flange is used for connecting power source output power to an input shaft.

The utility model has the advantages of less speed reduction steps, insignificant speed reduction effect, poor speed reduction effect, incapability of convenient installation and disassembly, time and labor waste during installation; and the universal joint is adopted to improve the concentricity, but the swing amplitude is not limited, and the paddle can collide.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a concentric driven type speed reducer to solve above-mentioned technical problem.

The embodiment of the utility model provides an adopt following technical scheme: the utility model provides a concentric driven type speed reducer, includes mount table, first reduction gears, second reduction gears, elastic mechanism and latched device, the mount table sets up on the horizontal plane, first reduction gears sets up on the mount table, second reduction gears installs on first reduction gears, elastic mechanism sets up on first reduction gears, latched device sets up on the mount table.

Further, first reduction gears includes casing, driving motor, drive gear, speed reduction ring, speed reduction arc dish, connecting rod and three follow gear, the casing sets up on the mount table, driving motor sets up in the casing, drive gear installs on driving motor's main shaft, speed reduction ring installs in the casing and overlaps and establish on drive gear, be equipped with the tooth's socket on the speed reduction ring inside wall, it is three from the gear respectively wait the angle setting between drive gear and speed reduction ring and all with the tooth's socket meshing on drive gear and the speed reduction ring, speed reduction arc dish is installed on three follow gear, the one end of connecting rod is installed on speed reduction arc dish.

Further, the second reduction gears includes speed reduction ring, first eccentric wheel, second eccentric wheel, first drive wheel, second drive wheel, connecting axle and output shaft, speed reduction ring installs in the casing, be equipped with a plurality of gag lever posts on the speed reduction ring, first drive wheel eccentric mounting is at the other end of connecting rod, first eccentric wheel cover is established on first drive wheel and is meshed with a plurality of gag lever posts mutually, connecting axle eccentric mounting is on first drive wheel, second drive wheel eccentric mounting is on the connecting axle, second eccentric wheel cover is established on the second drive wheel and is meshed with a plurality of gag lever posts mutually, output shaft one end eccentric mounting is on the second drive wheel and the other end runs through the casing.

Furthermore, the elastic mechanism comprises four elastic components, the four elastic components are respectively arranged on the shell in a pairwise symmetry manner, the four elastic components comprise elastic lock heads and springs, one ends of the elastic lock heads are hinged to the shell, and two ends of the springs are respectively arranged on the elastic lock heads and the shell.

Furthermore, the locking mechanism comprises four buckles and four clamping rods, the four buckles are respectively arranged on the installation platform in a pairwise symmetrical mode and are respectively located at the sides of the four elastic locking heads, and the four clamping rods are respectively arranged on the four buckles.

Furthermore, the central lines of the output shaft, the connecting rod and the driving motor main shaft are positioned on the same straight line.

Further, the other end of output shaft is connected with the universal joint, the welding has the spacing ring on the mount table, the one end cover of spacing ring is established in the one end of universal joint, the paddle is installed to the other end of universal joint.

The embodiment of the utility model provides an above-mentioned at least one technical scheme who adopts can reach following beneficial effect:

the universal joint is connected with the output shaft and the blades, the blades rotate under the driving of the conveying shaft, the rotating circle center of each blade is always at one point and cannot be changed, meanwhile, the limiting ring limits the rotating amplitude of the universal joint, and the situation that the blades are large in rotating amplitude and collide with each other when the universal joint operates is avoided.

And secondly, the connecting rod drives the first driving wheel to eccentrically rotate, so that the first eccentric wheel is driven to eccentrically rotate along a plurality of limiting rods on the speed reducing ring, the connecting shaft is driven to rotate, the second driving wheel is driven to eccentrically rotate, the second eccentric wheel is driven to eccentrically rotate along a plurality of limiting rods of the speed reducing ring, and the output shaft is driven to rotate in a speed reducing mode.

Thirdly, when the installation, stir the elasticity tapered end and extrude the spring and retract, then detain the elasticity tapered end in latched device, under the elastic potential energy of spring and latched device's the obstruction, fix the casing on the mount table, conveniently with dismantle installation speed reducer equipment, insert the buckle with the elasticity tapered end in, the kelly is spacing to the elasticity tapered end, prevents that the casing from breaking away from, fixes the casing on the mount table simultaneously, prevents that the speed reducer from producing and rocking.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a partial perspective view of the first embodiment of the present invention;

fig. 4 is a schematic perspective view of a first reduction gear of the present invention;

fig. 5 is a perspective view of the second reduction gear of the present invention;

fig. 6 is a schematic view of a partial three-dimensional structure of the present invention.

Reference numerals

The mounting table comprises a mounting table 1, a first speed reducing mechanism 2, a second speed reducing mechanism 3, an elastic mechanism 4, a locking mechanism 5, a universal joint 6, a limiting ring 7, a shell 21, a driving motor 22, a driving gear 23, a speed reducing circular ring 24, a speed reducing arc disc 25, a connecting rod 26, a driven gear 27, a speed reducing ring 31, a first eccentric wheel 32, a second eccentric wheel 33, a first driving wheel 34, a second driving wheel 35, a connecting shaft 36, an output shaft 37, a limiting rod 38, an elastic assembly 41, an elastic locking head 42, a spring 43, a buckle 51 and a clamping rod 52.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, an embodiment of the present invention provides a concentric transmission type speed reducer, including mount table 1, first reduction gears 2, second reduction gears 3, elastic mechanism 4 and latch mechanism 5, mount table 1 sets up on the horizontal plane, first reduction gears 2 sets up on mount table 1, second reduction gears 3 installs on first reduction gears 2, elastic mechanism 4 sets up on first reduction gears 2, latch mechanism 5 sets up on mount table 1.

Preferably, as shown in fig. 4, the first speed reducing mechanism 2 includes a housing 21, a driving motor 22, a driving gear 23, a speed reducing ring 24, a speed reducing arc disc 25, a connecting rod 26 and three slave gears 27, the housing 21 is disposed on the mounting table 1, the driving motor 22 is disposed in the housing 21, the driving gear 23 is mounted on a main shaft of the driving motor 22, the speed reducing ring 24 is mounted in the housing 21 and sleeved on the driving gear 23, tooth grooves are disposed on inner side walls of the speed reducing ring 24, the three slave gears 27 are respectively disposed between the driving gear 23 and the speed reducing ring 24 at equal angles and are respectively meshed with the tooth grooves on the driving gear 23 and the speed reducing ring 24, the speed reducing arc discs 25 are mounted on the three slave gears 27, and one end of the connecting rod 26 is mounted on the speed reducing arc disc 25; the driving motor 22 drives the driving gear 23 to rotate, the driving gear 23 drives the three driven gears 27 meshed with the driving gear 23 to rotate, then the driving gear drives the speed reduction ring 24 to rotate at a low speed, preliminary speed reduction is carried out, and then the connecting rod 26 drives the second speed reduction mechanism 3 to reduce speed again, so that the speed reduction efficiency is improved.

Preferably, referring to fig. 5, the second speed reducing mechanism 3 includes a speed reducing ring 31, a first eccentric wheel 32, a second eccentric wheel 33, a first driving wheel 34, a second driving wheel 35, a connecting shaft 36 and an output shaft 37, the speed reducing ring 31 is installed in the housing 21, the speed reducing ring 31 is provided with a plurality of limiting rods 38, the first driving wheel 34 is eccentrically installed at the other end of the connecting rod 26, the first eccentric wheel 32 is sleeved on the first driving wheel 34 and is engaged with the plurality of limiting rods 38, the connecting shaft 36 is eccentrically installed on the first driving wheel 34, the second driving wheel 35 is eccentrically installed on the connecting shaft 36, the second eccentric wheel 33 is sleeved on the second driving wheel 35 and is engaged with the plurality of limiting rods 38, one end of the output shaft 37 is eccentrically installed on the second driving wheel 35, and the other end of the output shaft passes through the housing 21; the connecting rod 26 drives the first driving wheel 34 to eccentrically rotate, so as to drive the first eccentric wheel 32 to eccentrically rotate along the plurality of limiting rods 38 on the speed reducing ring 31, drive the connecting shaft 36 to rotate, drive the second driving wheel 35 to eccentrically rotate, drive the second eccentric wheel 33 to eccentrically rotate along the plurality of limiting rods 38 of the speed reducing ring 31, and drive the output shaft 37 to rotate at a reduced speed.

Preferably, referring to fig. 2 and 6, the elastic mechanism 4 includes four elastic assemblies 41, the four elastic assemblies 41 are respectively installed on the housing 21 in a pairwise symmetry manner, each of the four elastic assemblies 41 includes an elastic locking head 42 and a spring 43, one end of the elastic locking head 42 is hinged on the housing 21, and two ends of the spring 43 are respectively installed on the elastic locking head 42 and the housing 21; when the speed reducer is installed, the elastic lock head 42 is pushed to extrude the spring 43 to retract, then the elastic lock head 42 is buckled in the locking mechanism 5, the shell 21 is fixed on the installation platform 1 under the elastic potential energy of the spring 43 and the blocking of the locking mechanism 5, and the speed reducer equipment is convenient to disassemble and install.

Preferably, referring to fig. 6, the locking mechanism 5 includes four buckles 51 and four clamping rods 52, the four buckles 51 are respectively installed on the installation table 1 in a pairwise symmetric manner and are respectively located at the sides of the four elastic locking heads 42, and the four clamping rods 52 are respectively installed on the four buckles 51; insert the buckle 51 with elasticity tapered end 42 in, the kelly 52 is spacing to elasticity tapered end 42, prevents that casing 21 from breaking away from, fixes casing 21 on mount table 1 simultaneously, prevents that the speed reducer from producing and rocking.

Preferably, referring to fig. 4 and 5, the center lines of the output shaft 37, the connecting shaft 36, the connecting rod 26 and the main shaft of the driving motor 22 are located on the same straight line.

Preferably, referring to fig. 1 to 2, a universal joint 6 is installed at the other end of the output shaft 37, a limit ring 7 is welded on the installation table 1, one end of the limit ring 7 is sleeved at one end of the universal joint 6, and a blade 8 is installed at the other end of the universal joint 6; utilize universal joint 6 to connect output shaft 37 and paddle 8, paddle 8 rotates under carrying the drive of shaft 37, and the rotation centre of a circle of paddle 8 is in a bit always, can not change, and spacing ring 7 restricts universal joint 6 pivoted range simultaneously, avoids when the function, and paddle 8 amplitude of rotation is great, produces and collides with.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a concentric drive formula speed reducer, its characterized in that, includes mount table (1), first reduction gears (2), second reduction gears (3), elastic mechanism (4) and latched device (5), mount table (1) sets up on the horizontal plane, first reduction gears (2) set up on mount table (1), second reduction gears (3) are installed on first reduction gears (2), elastic mechanism (4) set up on first reduction gears (2), latched device (5) set up on mount table (1).

2. The concentric transmission type speed reducer according to claim 1, wherein the first speed reducer (2) comprises a housing (21), a driving motor (22), a driving gear (23), a speed reducing ring (24), a speed reducing arc disc (25), a connecting rod (26) and three driven gears (27), the housing (21) is arranged on the mounting table (1), the driving motor (22) is arranged in the housing (21), the driving gear (23) is arranged on a main shaft of the driving motor (22), the speed reducing ring (24) is arranged in the housing (21) and sleeved on the driving gear (23), tooth grooves are arranged on the inner side wall of the speed reducing ring (24), the three driven gears (27) are respectively arranged between the driving gear (23) and the speed reducing ring (24) at equal angles and are respectively meshed with the tooth grooves on the driving gear (23) and the speed reducing ring (24), the speed reduction arc disc (25) is arranged on three driven gears (27), and one end of the connecting rod (26) is arranged on the speed reduction arc disc (25).

3. The concentric transmission type speed reducer according to claim 2, wherein the second speed reducing mechanism (3) comprises a speed reducing ring (31), a first eccentric wheel (32), a second eccentric wheel (33), a first transmission wheel (34), a second transmission wheel (35), a connecting shaft (36) and an output shaft (37), the speed reducing ring (31) is installed in the housing (21), a plurality of limit rods (38) are arranged on the speed reducing ring (31), the first transmission wheel (34) is eccentrically installed at the other end of the connecting rod (26), the first eccentric wheel (32) is sleeved on the first transmission wheel (34) and meshed with the limit rods (38), the connecting shaft (36) is eccentrically installed on the first transmission wheel (34), the second transmission wheel (35) is eccentrically installed on the connecting shaft (36), the second eccentric wheel (33) is sleeved on the second transmission wheel (35) and meshed with the limit rods (38), one end of the output shaft (37) is eccentrically arranged on the second transmission wheel (35) and the other end of the output shaft penetrates through the shell (21).

4. The concentric transmission type speed reducer according to claim 1, wherein the elastic mechanism (4) comprises four elastic assemblies (41), the four elastic assemblies (41) are respectively installed on the shell (21) in pairwise symmetry, each of the four elastic assemblies (41) comprises an elastic locking head (42) and a spring (43), one end of each elastic locking head (42) is hinged to the shell (21), and two ends of each spring (43) are respectively installed on the corresponding elastic locking head (42) and the corresponding shell (21).

5. The concentric transmission type speed reducer according to claim 4, wherein the locking mechanism (5) comprises four buckles (51) and four clamping rods (52), the four buckles (51) are respectively installed on the installation table (1) in a pairwise symmetry manner and are respectively located at the sides of four elastic locking heads (42), and the four clamping rods (52) are respectively installed on the four buckles (51).

6. A concentric drive reducer according to claim 3, in which the centre lines of the output shaft (37), the connecting shaft (36), the connecting rod (26) and the main shaft of the drive motor (22) are on the same line.

7. The concentric transmission type speed reducer according to claim 3, wherein the other end of the output shaft (37) is connected with a universal joint (6), the mounting table (1) is welded with a limiting ring (7), one end of the limiting ring (7) is sleeved at one end of the universal joint (6), and the other end of the universal joint (6) is provided with a blade (8).