CN216242177U - Large-speed-ratio high-efficiency linkage speed reducer - Google Patents
Large-speed-ratio high-efficiency linkage speed reducer Download PDFInfo
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- CN216242177U CN216242177U CN202122074962.XU CN202122074962U CN216242177U CN 216242177 U CN216242177 U CN 216242177U CN 202122074962 U CN202122074962 U CN 202122074962U CN 216242177 U CN216242177 U CN 216242177U
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Abstract
The utility model relates to a high-speed-ratio high-efficiency linkage speed reducer which comprises a shell, wherein the lower part of the front surface of the shell is connected with a first-stage motor shaft through a gear, the gear at the front end of the first motor shaft is meshed with a first-stage gear beside the first-stage gear, a first-stage linkage shaft is arranged beside the first-stage gear, the first-stage gear is meshed with a gear of the first-stage linkage shaft, a gear in the middle of the first-stage motor shaft is meshed with a first-stage gear above the first-stage motor shaft, one end of a second-stage worm penetrates through a center hole of the first-stage gear and is matched with the first-stage gear in rotation, a second-stage gear is arranged above the second-stage worm, the second-stage worm and the second-stage gear are in transmission fit, and the second-stage worm drives the second-stage gear to output. The large-speed-ratio high-efficiency linkage speed reducer can increase the speed ratio of the whole speed reducer, reduce the input torque of a motor, reduce transmission loss and increase the linkage efficiency of a transmission rod, and is small in weight and size and convenient to install, adjust and inspect.
Description
Technical Field
The utility model relates to the field of speed reducers, in particular to a large-speed-ratio high-efficiency linkage 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. In the field of solar photovoltaic, the sun is required to be tracked in many environments, and the solar cell panel can be driven to rotate along with the sun, so that the transmission rod needs to be adjusted through the speed reducer to perform action adjustment.
However, the existing speed reducer has the following defects:
1. the speed reducer in the prior art has the advantages that the space and the multi-stage transmission are increased, so that the number of internal transmission parts is large, the size is large, the total weight of the speed reducer is high, the number of shells is large, the installation requirements of parts are high, and the installation time is long.
2. In the prior art, through multi-stage transmission of worm gear transmission and a plurality of gear transmissions, a plurality of transmission parts are required, the installation time is long, the input is gradually consumed in the transmission at each stage, the final output efficiency is greatly reduced, and the transmission efficiency is not high.
3. The existing speed reducer cannot use a large-speed-ratio gear on the basis of ensuring the volume, so that the final output can be ensured only by searching a motor with large input torque.
4. The loss in the prior gear transmission is large, so that the linkage efficiency of the transmission rod is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide the large-speed-ratio high-efficiency linkage speed reducer, which can increase the speed ratio of the whole speed reducer, reduce the input torque of a motor, reduce the transmission loss and increase the linkage efficiency of a transmission rod, has small weight and volume and is convenient to install, adjust and check.
The purpose of the utility model is realized as follows:
the high-speed-ratio high-efficiency linkage speed reducer comprises a shell, wherein the lower part of the front surface of the shell is connected with a first-stage motor shaft through a gear, the gear at the front end of the first motor shaft is meshed with the first-stage gear beside the first motor shaft, the first-stage linkage shaft is arranged beside the first-stage gear, the first-stage gear is meshed with the gear of the first-stage linkage shaft, the first-stage gear drives the first-stage gear linkage shaft to output linkage through the first-stage gear, a gear in the middle of a first-stage motor shaft is meshed with a first-stage gear above the first-stage gear, one end of a second-stage worm penetrates through a center hole of the first-stage gear, and is matched with the first-stage gear to rotate, a second-stage gear is arranged above the second-stage worm, the second-stage worm and the second-stage gear are in transmission fit through a worm gear, the second-stage worm drives the second-stage gear to output, and the gear in the middle of the first-stage motor shaft and the first-stage gear are in staggered helical gear transmission.
Preferably, the gear of the first-stage linkage shaft is smaller than the gear of the first-stage linkage shaft, so that large and small teeth are formed.
Preferably, the first-stage motor shaft, the first-stage gear and the first-stage linkage shaft form a first transmission direction of the speed reducer and output for the first-stage linkage shaft.
Preferably, the first-stage motor shaft, the first-stage gear, the second-stage worm and the second-stage gear form a second transmission direction of the speed reducer and are output by the second-stage gear.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the prior bevel gear transmission and worm and gear transmission, the staggered shaft helical gear can change the size of the helical angle to meet the requirement of the center distance under the condition of requiring the speed ratio, thereby increasing the speed ratio of the whole speed reducer and reducing the input torque of the motor.
2. The staggered shaft helical gear has simple and cheap manufacturing process and higher processing precision, and the transmission of the staggered shaft helical gear is not in line contact but in space point contact, so that the requirements on the precision 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.
3. The output part of the linkage shaft is designed to use big and small teeth to increase output torque, so that the loss in the transmission process of the gear inside the device and the transmission process of the long connecting rod is reduced, and the integral efficiency of the main speed reducer and the driven speed reducer is improved.
4. The transmission progression is reduced, the progression is reduced to the second-stage transmission to enable the mounted parts to be fewer compared with the design of three-stage transmission and four-stage transmission, the mounting is simpler, the mounting time is shortened, more direct transmission to the output section is input, the loss in the transmission process is reduced, and the transmission efficiency is improved. Under the condition of not changing the length, the width and the height of the shell, the installation positions are simplified and reduced, so that the device shell is simple in manufacturing process and low in price, and the inspection and measurement are more convenient.
Drawings
FIG. 1 is a schematic structural diagram of a high-speed-ratio high-efficiency linkage speed reducer according to the utility model.
FIG. 2 is a side view of the high ratio, high efficiency linkage reducer of the present invention.
Fig. 3 is a sectional view a-a of fig. 1.
Fig. 4 is a sectional view B-B of fig. 1.
Fig. 5 is a cross-sectional view C-C of fig. 2.
Fig. 6 is a connection diagram of the internal transmission part of the speed reducer.
FIG. 7 is a schematic diagram of an alternate axis helical gear drive.
Wherein: the device comprises a first-stage motor shaft 1, a first-stage gear 2, a second-stage worm 3, a second-stage gear 4, a first-stage gear 5, a first-stage linkage shaft 6 and a shell 7.
Detailed Description
Referring to fig. 1 to 7, the utility model relates to a high-speed-ratio high-efficiency linkage speed reducer, which comprises a shell 7, wherein the lower part of the front surface of the shell 7 is connected with a first-stage motor shaft 1 through a gear.
The gear at the front end of the first motor shaft 1 is meshed with a first-stage gear 5 beside the first motor shaft, a first-stage linkage shaft 6 is arranged beside the first-stage gear 5, the first-stage gear 5 is meshed with the gear of the first-stage linkage shaft 6, the first-stage gear drives the first-stage gear linkage shaft to output linkage through the first-stage gear, and the first-stage motor shaft 1, the first-stage gear 5 and the first-stage linkage shaft 6 form a first transmission direction of the speed reducer and output by the first-stage linkage shaft. As shown in fig. 6, the gear of the first stage gear 5 is smaller than the gear of the first stage linkage shaft 6, so that the output part is designed to use big and small teeth to increase the output torque, and the loss generated in the transmission process of the gear inside the device and the transmission process of the long connecting rod can be reduced, thereby increasing the overall efficiency of the main speed reducer and the driven speed reducer.
The gear in the middle of the first-level motor shaft 1 meshes with the first-level gear 2 of top mutually, and the centre bore of first-level gear 2 is passed to 3 one ends of second level worm to rotate with the cooperation of first-level gear 2, the top of second level worm 3 is provided with second level gear 4, second level worm 3, second level gear 4 are worm gear transmission cooperation, drive the output of second level gear 4 through second level worm 3, even have the output on the second level gear 4, and the output is the output of whole device for it is fixed with solar cell panel, first-level motor shaft 1, first-level gear 2, second level worm 3, second level gear 4 have constituteed the second way transmission direction of reduction gear, by the gear output of second level.
The gear in the middle of the first-stage motor shaft 1 and the first-stage gear 2 are in staggered helical gear transmission, as shown in fig. 6 and 7, the axes of the staggered helical gears are not parallel and do not intersect, so that pitch cylindrical surfaces are tangent to one point, meshing can be only in spatial point contact and not in line contact, and therefore the requirements on the precision of center distance errors and shaft intersection angle errors are not high in the installation process, and installation, adjustment and inspection are facilitated. In addition, the size of the spiral angle can be changed to meet the requirement of the center distance, so that the speed ratio of the whole speed reducer is increased, and the input torque of the motor is reduced.
The large-speed-ratio high-efficiency linkage speed reducer reduces the transmission stage number, reduces the stage number to two-stage transmission to enable the number of installed parts to be less compared with three-stage transmission and four-stage transmission, is simpler to install, reduces the installation time, enables the input to be more direct in transmission to the output section, reduces the loss in the transmission process, and increases the transmission efficiency. Under the condition of not changing the length, the width and the height of the shell, the installation positions are simplified and reduced, so that the device shell is simple in manufacturing process and low in price, and the inspection and measurement are more convenient.
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 (4)
1. Big velocity ratio high efficiency linkage reduction gear, its characterized in that: it comprises a shell, the lower part of the front surface of the shell is connected with a first-stage motor shaft through a gear, the gear at the front end of the first-stage motor shaft is meshed with a first-stage gear beside the first-stage motor shaft, a first-stage linkage shaft is arranged beside the first-stage gear, the first-stage gear is meshed with a gear of the first-stage linkage shaft, the first-stage gear drives the first-stage gear linkage shaft to output linkage through the first-stage gear, a gear in the middle of a first-stage motor shaft is meshed with a first-stage gear above the first-stage gear, one end of a second-stage worm penetrates through a center hole of the first-stage gear, and is matched with the first-stage gear to rotate, a second-stage gear is arranged above the second-stage worm, the second-stage worm and the second-stage gear are in transmission fit through a worm gear, the second-stage worm drives the second-stage gear to output, and the gear in the middle of the first-stage motor shaft and the first-stage gear are in staggered helical gear transmission.
2. The high-ratio high-efficiency linkage reducer according to claim 1, wherein: and the gear of the first-stage linkage shaft is smaller than the gear of the first-stage linkage shaft to form large and small teeth.
3. The high-ratio high-efficiency linkage reducer according to claim 1, wherein: the first-stage motor shaft, the first-stage gear and the first-stage linkage shaft form a first transmission direction of the speed reducer and output for the first-stage linkage shaft.
4. The high-ratio high-efficiency linkage reducer according to claim 1, wherein: the first-stage motor shaft, the first-stage gear, the second-stage worm and the second-stage gear form a second transmission direction of the speed reducer and are output by the second-stage gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122074962.XU CN216242177U (en) | 2021-08-31 | 2021-08-31 | Large-speed-ratio high-efficiency linkage speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122074962.XU CN216242177U (en) | 2021-08-31 | 2021-08-31 | Large-speed-ratio high-efficiency linkage speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242177U true CN216242177U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122074962.XU Active CN216242177U (en) | 2021-08-31 | 2021-08-31 | Large-speed-ratio high-efficiency linkage speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242177U (en) |
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2021
- 2021-08-31 CN CN202122074962.XU patent/CN216242177U/en active Active
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