CN217761899U

CN217761899U - Triangular compact type helical tooth linkage speed reducer

Info

Publication number: CN217761899U
Application number: CN202221751845.0U
Authority: CN
Inventors: 华伟; 黄相林; 陈黔宁
Original assignee: Jiangyin Sunslew Machinery Equipment Co ltd
Current assignee: Jiangyin Sunslew Machinery Equipment Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-08
Anticipated expiration: 2032-07-08

Abstract

The utility model relates to a triangle compact skewed tooth linkage reduction gear, it includes the casing of reduction gear, and the motor input has been seted up to the positive bottommost of casing, and the both sides of casing are the base, and the base is located the reduction gear middle part position, and the base and the motor input department of both sides form a compact triangle-shaped. After the output end of the motor is connected with the motor input end of the shell, the first-stage helical gear transmission shaft is driven to operate, the first-stage helical gear transmission shaft drives the second-stage helical gear through matching, the second-stage helical gear drives the second-stage large worm to operate, the second-stage large worm drives the third-stage gear to rotate, and finally power is output through the flange. The triangular compact type helical tooth linkage speed reducer is high in transmission efficiency, few in assembly holes and convenient to mount and adjust.

Description

Triangular compact type helical tooth linkage speed reducer

Technical Field

The utility model relates to a triangle compact skewed tooth linkage reduction gear belongs to reduction gear technical field.

Background

The speed reducer is an independent part 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. In the field of solar photovoltaic, tracking of the sun is required in many environments, and a solar panel can be driven to rotate along with the sun.

However, the current single-point reducer has more defects:

1. the single-point speed reducer in the prior art adopts one-level transmission, and the transmission of high rotational speed and low torque forces the motor drive of using bigger output torque, but the small motor can not meet the demand, and the large speed reducer can not be applied to the working condition of actual site.

2. The overall utilization rate of the existing linkage speed reducer base is low: the gear (radial line) and the worm (axial line) of the speed reducer in the prior art adopt conventional parallel transmission, so that the appearance of the base is larger as a whole, but the assembled transmission part is smaller, so that a large part of the volume of the base is in a vacant state; and the transmission parts in the speed reducer are also various, the assembly consumes time and labor, and the basic assembly efficiency cannot be met.

3. The speed reducer in the prior art is designed in a porous mode, the hole diameters are different, the processing steps are greatly increased, and the processing tools are various in types. Due to the porous design, specification and model of the sealing element can not be unified, so that the models are various, the purchasing cost is high, and the purchasing is difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the aforesaid not enough, provide a transmission efficiency height, the pilot hole is few, the triangle compact skewed tooth linkage reduction gear of easy to assemble adjustment.

The purpose of the utility model is realized like this:

the triangular compact type helical tooth linkage speed reducer comprises a shell of the speed reducer, wherein the bottommost part of the front surface of the shell is provided with a motor input end, the motor input end is connected with an output shaft of a motor, two sides of the shell are provided with bases, the heights of the bases are higher than that of the motor input end, the bases are positioned at the middle waist position of the speed reducer, and the bases at the two sides and the motor input end form a compact triangle;

the casing is equipped with first order skewed tooth transmission shaft at motor input department, has crisscross helical gear on this first order skewed tooth transmission shaft, the top of first order skewed tooth transmission shaft is provided with the big worm of second level, is provided with the second level skewed tooth worm wheel on the big worm of second level, and the profile of tooth of the second level skewed tooth worm wheel also is the skewed tooth, and the second level skewed tooth worm wheel meshes with the crisscross helical gear on the transmission shaft of first level skewed tooth, drives the big worm operation of second level through the second level skewed tooth worm wheel, the top of the big worm of second level is provided with curved tertiary gear, and the helical gear meshing of third level and the big worm opposite side of second level, and the third gear cover is on the output flange.

Preferably, the second-stage large worm is obliquely arranged in the shell.

Preferably, the motor is placed below the housing.

Preferably, after the output end of the motor is connected with the motor input end of the shell, the first-stage helical gear transmission shaft is driven to operate, the first-stage helical gear transmission shaft drives the second-stage helical gear wheel through matching, the second-stage helical gear wheel drives the second-stage large worm to operate, the second-stage large worm drives the third-stage gear to rotate, and finally power is output through the flange.

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

1. the number of transmission gear shafts in the device is reduced, so that the speed ratio of the existing transmission gear is increased to compensate for the loss in gear transmission, and further the transmission efficiency is increased.

2. Adjusting the internal structure of the shell: the worm is designed in the shell and obliquely arranged, so that the overall structure of the speed reducer is compact, small and convenient; under the condition of not influencing the overall strength and the transmission effect of the speed reducer, the size of the base is reduced, and the overall utilization rate of the base is improved; and the number of assembly holes on the base is reduced, and the processing steps and the processing difficulty are reduced. Due to the reduction of the assembly holes, the types of the assembled sealing elements are unified, and therefore the cost is controlled.

3. The input torque of the speed reducer is greatly reduced by adopting the transmission of the large-speed-ratio gear, so that the requirements of small-torque input and large-torque output are met.

4. The staggered shaft helical gears are used for transmission, and the transmission of the staggered shaft helical gears is not line contact but space point contact, so that the requirements on the accuracy of the center distance error and the shaft intersection angle error are not high in the installation process, and the installation, adjustment and inspection are facilitated.

5. The output shaft is the universal driving shaft, and the synchronism of the main speed reducer and the linkage speed reducer is further ensured.

6. The motor is arranged below the shell, so that the installation is convenient, and the running stroke of the solar panel is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a triangular compact helical tooth linkage speed reducer.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a front view of fig. 1.

Fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2.

Fig. 5 is a sectional view B-B of fig. 3.

Fig. 6 is a schematic view of a transmission structure inside the triangular compact helical tooth linkage speed reducer.

Wherein: the device comprises a shell 1, a motor input end 2, a motor 3, a base 4, a first-stage helical gear transmission shaft 5, a staggered helical gear 6, a second-stage large worm 7, a second-stage helical gear 8, a third-stage gear 9, helical teeth 10 and an output flange 11.

Detailed Description

Referring to fig. 1 to 6, the utility model relates to a triangle compact skewed tooth linkage reduction gear, it includes the casing 1 of reduction gear, and motor input 2 has been seted up to casing 1's positive bottommost, and motor input 2 links to each other with motor 3's output shaft, and this axle is the universal driving shaft promptly, has guaranteed main reducer and linkage reduction gear's synchronism more. The motor 3 is placed below the shell 1, installation is convenient, the operation stroke of the solar panel is greatly improved, the bases 4 are arranged on the two sides of the shell 1, the bases 4 are higher than the motor input end 2, the bases 4 are located in the middle waist position of the speed reducer, and the bases 4 on the two sides and the motor input end 2 form a compact triangle.

The casing 1 is equipped with first order skewed tooth transmission shaft 5 in motor input 2 department, has crisscross helical gear 6 on this first order skewed tooth transmission shaft 5, the top of first order skewed tooth transmission shaft 5 is provided with second level big worm 7, second level big worm 7 slope sets up in casing 1, is provided with second level skewed tooth worm wheel 8 on the big worm 7 of second level, and the profile of tooth of second level skewed tooth worm wheel 8 also is the skewed tooth, and second level skewed tooth worm wheel 8 meshes with crisscross helical gear 6 on the first order skewed tooth transmission shaft 5, and the transmission of crisscross axle helical gear 6 is not line contact but uses space point contact, consequently is not high to center distance error and axle angle error precision requirement in the installation, more does benefit to installation, adjustment and inspection. The second-stage large worm 7 is driven to rotate through the second-stage helical worm wheel 8, an arc-shaped third-stage gear 9 is arranged above the second-stage large worm 7, the third-stage gear 9 is meshed with helical teeth 10 on the other side of the second-stage large worm 7, and the third-stage gear 9 is sleeved on an output flange 11 and used for being connected with a solar panel to provide power.

After the output end of the motor 3 is connected to the motor input end 2 of the shell 1, the first-stage helical gear transmission shaft 5 is driven to operate, the first-stage helical gear transmission shaft 5 drives the second-stage helical gear worm wheel 8 through matching, the second-stage helical gear worm wheel 8 drives the second-stage large worm 7 to operate, the second-stage large worm 7 drives the third-stage gear 9 to rotate, and finally power is output through the flange.

The triangular compact type helical tooth linkage speed reducer can be installed and used in parallel to form a linkage structure.

In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims

1. Triangle compact skewed tooth linkage reduction gear, its characterized in that: the motor speed reducer comprises a shell (1) of the speed reducer, wherein a motor input end (2) is arranged at the bottommost part of the front surface of the shell (1), the motor input end (2) is connected with an output shaft of a motor (3), bases (4) are arranged on two sides of the shell (1), the height of each base (4) is higher than that of the motor input end (2), each base (4) is located at the middle waist position of the speed reducer, and the bases (4) on the two sides and the motor input end (2) form a compact triangle;

the motor is characterized in that a first-stage helical gear transmission shaft (5) is arranged at the position of a motor input end (2) of the shell (1), a staggered helical gear (6) is arranged on the first-stage helical gear transmission shaft (5), a second-stage large worm (7) is arranged above the first-stage helical gear transmission shaft (5), a second-stage helical gear (8) is arranged on the second-stage large worm (7), the tooth form of the second-stage helical gear (8) is also helical, the second-stage helical gear (8) is meshed with the staggered helical gear (6) on the first-stage helical gear transmission shaft (5), the second-stage large worm (7) is driven to run through the second-stage helical gear (8), an arc-shaped third-stage gear (9) is arranged above the second-stage large worm (7), the third-stage gear (9) is meshed with helical teeth (10) on the other side of the second-stage large worm (7), and the third-stage gear (9) is sleeved on an output flange.

2. The triangular compact helical tooth linkage reducer according to claim 1, characterized in that: the second-stage large worm (7) is obliquely arranged in the shell (1).

3. The triangular compact helical tooth linkage reducer according to claim 1, characterized in that: the motor (3) is placed below the shell (1).