CN215334213U

CN215334213U - Gear transmission device of speed reducer

Info

Publication number: CN215334213U
Application number: CN202120389535.8U
Authority: CN
Inventors: 王飞; 王拥军
Original assignee: Chaohu Jugong Machinery Manufacturing Co ltd
Current assignee: Chaohu Jugong Machinery Manufacturing Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-12-28
Anticipated expiration: 2031-02-22

Abstract

The utility model relates to the technical field of speed reducers and discloses a gear transmission device of a speed reducer, which comprises a transmission assembly, a gear transmission assembly and a gear transmission assembly, wherein the transmission assembly is arranged in a shell and comprises an input shaft and an output shaft, the input shaft and the output shaft both extend to the outer side of the shell and are arranged, and the rotating angular speed of the input shaft is greater than that of the output shaft; the transmission assembly comprises an input end gear and an output end gear which are respectively and coaxially connected with the input shaft and the output shaft. This kind of gear drive of speed reducer is through being equipped with fixed ring body and activity ring body on the axis body at the connecting axle, and fixed ring body and activity ring body pass through the connecting rod respectively with the axle center department rotation of input gear and output gear and be connected for the rotation can be adjusted along the activity ring body to the output gear, changes the contained angle between input shaft and the output shaft from this, hoisting device suitability.

Description

Gear transmission device of speed reducer

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a gear transmission device of a speed reducer.

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.

In the prior art, a general speed reducer adopts a fixed input and output shaft body design, and the adaptability of the general speed reducer is low for the actual requirements of input and output ends with a certain included angle.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a gear transmission device of a speed reducer, which has the advantages that a fixed ring body and a movable ring body are arranged on a shaft body of a connecting shaft, and the fixed ring body and the movable ring body are respectively and rotatably connected with the axes of an input end gear and an output end gear through connecting rods, so that the output end gear can be adjusted and rotated along the movable ring body, the included angle between an input shaft and an output shaft is changed, the adaptability of the device is improved, and the like, and the problems in the background art are solved.

(II) technical scheme

In order to realize the purposes that the fixed ring body and the movable ring body are arranged on the shaft body of the connecting shaft and are respectively and rotatably connected with the axle centers of the input end gear and the output end gear through the connecting rod, so that the output end gear can be adjusted and rotated along the movable ring body, the included angle between the input shaft and the output shaft is changed, and the adaptability of the device is improved, the utility model provides the following technical scheme:

a gear transmission device of a speed reducer comprises a transmission assembly, wherein the transmission assembly is arranged in a shell and comprises an input shaft and an output shaft, the input shaft and the output shaft both extend to the outer side of the shell and are arranged, and the rotating angular speed of the input shaft is greater than that of the output shaft;

the transmission assembly comprises an input end gear and an output end gear which are respectively and coaxially connected with an input shaft and an output shaft, a connecting shaft is fixedly arranged in the shell, the end part of the connecting shaft is rotatably connected with a transmission fluted disc, the input end gear and the output end gear are connected through transmission of the transmission fluted disc, a fixed ring body and a movable ring body are arranged on a shaft body of the connecting shaft, and the fixed ring body and the movable ring body are respectively and rotatably connected with the axis centers of the input end gear and the output end gear through connecting rods.

Preferably, the shell includes the interior casing and the shell body of drum structure, and the locating hole has all been seted up to the casing lateral wall of the two, and the same through-hole of width and opening have all been seted up to the relative position of two casing surfaces, and interior casing and shell body cup joint the cooperation, and the locating hole between the two passes through the bolt fixed.

Preferably, the surface of the transmission fluted disc is provided with a plurality of groups of insections, each group of insections is distributed in an annular and equidistant manner by taking the connecting shaft as the axis, and the insections are distributed in a radial manner by taking the connecting shaft as the axis.

Preferably, the axle center of one end of the transmission fluted disc, which is far away from the connecting shaft, is rotatably connected with the inner wall of the shell through a bearing.

Preferably, the number of the movable ring bodies is two, and the two movable ring bodies are respectively positioned on two sides of the fixed ring body and are symmetrically arranged.

Preferably, the number of locating hole is a plurality of, and a plurality of locating holes are annular equidistance along the outer wall of interior casing and shell body and distribute.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this kind of gear drive of speed reducer is through being equipped with fixed ring body and activity ring body on the axis body at the connecting axle, and fixed ring body and activity ring body pass through the connecting rod respectively with the axle center department rotation of input gear and output gear and be connected for the rotation can be adjusted along the activity ring body to the output gear, changes the contained angle between input shaft and the output shaft from this, hoisting device suitability.

2. This kind of gear drive of speed reducer, interior casing and shell body cup joint the cooperation, the two can be followed axis department and taken place relative rotation, the opening of the two lateral wall provides the rotation space for input shaft and output shaft respectively this moment, it is limited to avoid input shaft and output shaft, the locating hole between the two passes through the bolt fixed in addition, and then can fix interior casing and shell body at arbitrary relative angle, realize the fixed of contained angle between input shaft and the output shaft from this.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of the housing of the present invention.

In the figure: 1. an input shaft; 2. an output shaft; 3. a housing; 4. a transmission fluted disc; 5. a connecting shaft; 6. a stationary ring body; 7. a movable ring body; 8. an input end gear; 9. an output end gear; 301. an inner housing; 302. an outer housing; 303. positioning holes; 304. a through hole; 305. and (4) opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a gear transmission device of a speed reducer includes a transmission assembly, the transmission assembly is disposed in a housing 3, the transmission assembly includes an input shaft 1 and an output shaft 2, both of which extend to the outside of the housing 3, and the rotational angular velocity of the input shaft 1 is greater than the rotational angular velocity of the output shaft 2, in this embodiment, in order to enable the included angle between the input shaft 1 and the output shaft 2 to be adjusted and changed according to actual requirements, the transmission assembly includes an input end gear 8 and an output end gear 9, which are respectively coaxially connected with the input shaft 1 and the output shaft 2, a connecting shaft 5 is fixedly disposed in the housing 3, an end of the connecting shaft 5 is rotatably connected with a transmission fluted disc 4, an end axis of the transmission fluted disc 4 away from the connecting shaft 5 is rotatably connected with an inner wall of the housing 3 through a bearing, so as to improve connection stability, the input end gear 8 and the output end gear 9 are in transmission connection through the transmission fluted disc 4, in this embodiment, the surface of the transmission gear plate 4 is provided with a plurality of sets of insections, each set of insections is distributed in an annular and equidistant manner with the connecting shaft 5 as an axis, and the plurality of sets of insections are distributed in a radial manner with the connecting shaft 5 as an axis, the output end gear 9 is engaged with the insection close to the side of the connecting shaft 5, the input end gear 8 is engaged with the insection far from the side of the connecting shaft 5, if the reduction ratio is required to be adjusted, the input end gear 8 can be engaged with other sets of insections to obtain different linear velocities, and finally the reduction ratio is adjusted, a fixed ring body 6 and a movable ring body 7 are provided on the shaft body of the connecting shaft 5, the fixed ring body 6 and the movable ring body 7 are rotatably connected with the axes of the input end gear 8 and the output end gear 9 through connecting rods, wherein the number of the movable ring bodies 7 is two, and the two movable ring bodies 7 are symmetrically arranged on two sides of the fixed ring body 6, guaranteed the stability of activity ring body 7 from this, its axis body that receives fixed ring body 6 restriction can not follow connecting axle 5 reciprocates, and this kind of design makes output gear 9 can follow activity ring body 7 and adjusts the rotation, changes the contained angle between input shaft 1 and the output shaft 2 from this, hoisting device suitability.

In this embodiment, the outer casing 3 includes an inner casing 301 and an outer casing 302 having a cylindrical structure, and both casing side walls of the inner casing 301 and the outer casing 302 are provided with positioning holes 303, and both casing surfaces of the inner casing 301 and the outer casing 302 are provided with through holes 304 and openings 305 having the same width at opposite positions, where it should be noted that the through holes 304 and the openings 305 are provided so that the input shaft 1 and the output shaft 2 can penetrate through the side walls of the outer casing 3, and the inner casing 301 and the outer casing 302 are in sleeved fit, and can rotate relatively along the central axis, at this time, the openings 305 of both side walls respectively provide a rotation space for the input shaft 1 and the output shaft 2, so as to avoid the input shaft 1 and the output shaft 2 from being limited, and in addition, the positioning holes 303 between the two are fixed by bolts, in this embodiment, the number of the positioning holes 303 is plural, and the plural positioning holes 303 are distributed annularly and equidistantly along the outer walls of the inner casing 301 and the outer casing 302, so as to fix the inner casing 301 and the outer casing 302 at any relative angle, thereby achieving a fixed included angle between the input shaft 1 and the output shaft 2.

Claims

1. A gear transmission device of a speed reducer comprises a transmission assembly, wherein the transmission assembly is arranged in a shell (3), the transmission assembly comprises an input shaft (1) and an output shaft (2), the input shaft (1) and the output shaft (2) both extend to the outer side of the shell (3) and are arranged, and the rotating angular speed of the input shaft (1) is greater than that of the output shaft (2);

the method is characterized in that:

the transmission assembly comprises an input gear (8) and an output gear (9), the two are respectively connected with the input shaft (1) and the output shaft (2) in a coaxial manner, the shell (3) is internally fixed with a connecting shaft (5), the end part of the shell is connected with a transmission fluted disc (4) in a rotating manner, the input gear (8) and the output gear (9) are connected through the transmission fluted disc (4), a fixed ring body (6) and a movable ring body (7) are arranged on a shaft body of the connecting shaft (5), and the fixed ring body (6) and the movable ring body (7) are respectively connected with the axis centers of the input gear (8) and the output gear (9) in a rotating manner through connecting rods.

2. The gear transmission of a speed reducer according to claim 1, characterized in that: the shell (3) comprises an inner shell (301) and an outer shell (302) which are of a cylindrical structure, positioning holes (303) are formed in the side walls of the two shells, the surfaces of the two shells are located at opposite positions and are provided with through holes (304) and openings (305) which are the same in width, the inner shell (301) and the outer shell (302) are in sleeved fit, and the positioning holes (303) between the two shells are fixed through bolts.

3. The gear transmission of a speed reducer according to claim 1, characterized in that: the surface of transmission fluted disc (4) is equipped with the multiunit insection, and every insection of group all uses connecting axle (5) to be annular equidistance and distributes as the axle center, and multiunit insection uses connecting axle (5) to be radial distribution as the axle center.

4. The gear transmission of a speed reducer according to claim 1, characterized in that: and the axle center of one end of the transmission fluted disc (4) far away from the connecting shaft (5) is rotatably connected with the inner wall of the shell (3) through a bearing.

5. The gear transmission of a speed reducer according to claim 2, characterized in that: the number of the movable ring bodies (7) is two, and the two movable ring bodies (7) are respectively positioned on two sides of the fixed ring body (6) and are symmetrically arranged.

6. The gear transmission of a speed reducer according to claim 2, characterized in that: the number of locating hole (303) is a plurality of, and a plurality of locating hole (303) are the annular equidistance along the outer wall of interior casing (301) and shell body (302) and distribute.