CN220791991U - Modularized speed reducer suitable for AGV - Google Patents
Modularized speed reducer suitable for AGV Download PDFInfo
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- CN220791991U CN220791991U CN202322420395.8U CN202322420395U CN220791991U CN 220791991 U CN220791991 U CN 220791991U CN 202322420395 U CN202322420395 U CN 202322420395U CN 220791991 U CN220791991 U CN 220791991U
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- speed reducer
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 55
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of speed reducers, and discloses a modularized speed reducer suitable for an AGV, which comprises a speed reducer main body, wherein a driving motor is arranged on one side of the speed reducer main body, an output shaft of the driving motor is parallel to an input shaft of the speed reducer main body, and the output shaft and the input shaft are connected through a gear box assembly; the gearbox assembly comprises a driven gear and a driving gear, the driving gear is arranged on an output shaft of the driving motor, and the driven gear is arranged on an input shaft of the speed reducer main body; the driving gear and the driven gear are meshed with each other to connect the driving motor with the input shaft of the speed reducer main body, and under the condition of unchanged center distance, different transmission ratios are obtained by adjusting the gear ratio of the driving gear and the driven gear; the integral reduction ratio of the speed reducer can be adjusted through the gear box assembly, so that the operation is simple, the serialization of products is facilitated, and the cost of the gear box assembly is low.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a modularized speed reducer suitable for an AGV.
Background
In the existing driving mechanism for the AGV, the power of a driving motor is generally transmitted to a driving wheel through a speed reducer, and the existing speed reducer in the market at present mainly consists of gear transmission, worm transmission and gear-worm transmission which are sealed in a rigid shell, plays roles of matching the rotating speed and transmitting torque between a prime motor and an executing mechanism, not only can change the transmission direction, but also can improve the output torque while reducing the rotating speed.
Whether the transmission parts in the speed reducer adopt standard parameter configuration of GB/T9147-1999 series or self-designed parameters, the speed reducer of one model can only provide a determined reduction ratio, and when the requirements of product series are met, the speed reducer can only be adapted by changing the transmission parts with different parameters in the speed reducer; this is not only disadvantageous for serialization of products, but also the cost of changing the transmission in the speed reducer is relatively high.
Disclosure of Invention
The utility model aims to solve the problem of providing a modularized speed reducer suitable for an AGV, which is convenient to install on the speed reducer by manufacturing a gear box connected with a driving motor and the speed reducer into an independent sub-module, and the gear boxes with different transmission ratios can be provided with universal installation interfaces by the design of the module.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a modularization speed reducer suitable for AGV, includes the speed reducer main part, driving motor is installed to one side of speed reducer main part, driving motor's output shaft with the input shaft of speed reducer main part is parallel to each other, and is connected through gear box subassembly between the two;
the gearbox assembly comprises a driven gear and a driving gear which are meshed with each other, the driving gear is arranged on an output shaft of the driving motor, and the driven gear is arranged on an input shaft of the speed reducer body.
In a preferred embodiment of the utility model, the input shaft is provided with a shaft shoulder, and a shaft end baffle is fixedly arranged at one end of the input shaft, which is close to the shaft shoulder; the driven gear is sleeved on the input shaft; one end of the shaft is propped against the shaft shoulder, and the other end of the shaft is propped against the shaft end baffle.
In a preferred embodiment of the present utility model, the driven gear and the input shaft, and the driving gear and the output shaft are all driven by a flat key.
In a preferred embodiment of the present utility model, the gear box assembly further includes a housing, the housing is in a gourd-shaped structure, and the housing is covered on the outer sides of the driven gear and the driving gear.
In a preferred embodiment of the present utility model, an input end cover for receiving the gear box assembly is mounted on the top of the speed reducer body, the end of the input shaft penetrates through the input end cover, and the housing is fixedly mounted on the input end cover through a fastener.
In a preferred embodiment of the present utility model, one end of the input end cover is suspended, the driving motor is fixedly installed at the bottom of the suspended end of the input end cover, and one end of the output shaft passes through the input end cover to the inside of the housing and is matched with the driving gear in the housing.
The beneficial effects are that:
according to the utility model, the driving gear and the driven gear are meshed with each other to connect the driving motor with the input shaft of the speed reducer main body, so that different transmission ratios can be obtained by adjusting the gear ratio of the driving gear and the driven gear under the condition of unchanged center distance according to the requirement; the integral reduction ratio of the speed reducer can be adjusted through the gear box assembly, so that the operation is simple, the serialization of products is facilitated, and the cost of the gear box assembly is low.
Drawings
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the internal structure of a preferred embodiment of the present utility model;
FIG. 3 is a schematic top view of a preferred embodiment of the present utility model;
1, a speed reducer main body; 2. a driven gear; 3. a drive gear; 4. an input end cap; 5. a housing; 6. a fastener; 7. and driving the motor.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
1-2, a modularized speed reducer suitable for an AGV comprises a speed reducer main body 1, wherein a driving motor 7 is arranged on one side of the speed reducer main body 1, an output shaft of the driving motor 7 is parallel to an input shaft of the speed reducer main body 1, and the driving motor and the input shaft are connected through a gear box assembly; specifically, the reduction gearbox main body 1 is driven by a gear, a worm, a gear-worm, a double worm and gear, etc. which are enclosed in a rigid shell, and because of the complex internal structure and high cost of changing the transmission ratio, the power of the driving motor 7 is firstly transmitted into a gear box assembly, then transmitted into the reduction gearbox main body by the gear box assembly, and finally output to a driving wheel; the gearbox assembly is simple in structure and low in price, the internal gears are convenient to replace, the transmission ratio of the gearbox assembly is the reciprocal of the gear ratio of the internal gears, namely, the purpose of adjusting the integral reduction ratio of the speed reducer can be achieved by adjusting the transmission ratio of the gearbox assembly.
The gear box assembly comprises a driven gear 2, a driving gear 3 and a housing 5, wherein the driven gear 2 and the driving gear 3 are meshed with each other, and the housing 5 is covered on the outer sides of the driven gear 2 and the driving gear 3; the driving gear 3 is mounted on an output shaft of the driving motor 7, and the driven gear 2 is mounted on an input shaft of the speed reducer body 1.
The axial both ends of driven gear 2 carry out axial positioning through epaxial shaft shoulder and axle head baffle respectively, and after driven gear 2 was established on the input shaft through the mounting hole cover, one end was supported and is leaned on the shaft shoulder, and the other end is supported spacingly through the axle head baffle to the axle head baffle passes through the fix with screw at the end of input shaft.
The driving gear 3 can be directly sleeved on the output shaft of the driving motor 7, and the axial direction of the driving gear 3 is positioned through the shaft sleeve, namely, the output shaft of the driving motor 7 passes through the mounting hole of the driving gear 3, and simultaneously, the output shaft also passes through two bearings which are respectively positioned at the upper side and the lower side of the driving gear 3, the bearing positioned at the upper side is installed on the housing 5, the bearing positioned at the lower side is installed at the top of the speed reducer main body 1, and the shaft sleeve is also sleeved on the output shaft and positioned between the bearing inner ring and the driving gear 3, so that the purpose of axial positioning is achieved.
The driving gear 3 and the driven gear 2 are respectively a standard cylindrical gear with the same corresponding modulus; the two preferentially adopt helical gear, and the center distance calculation formula of the helical gear is as follows:
wherein a is the center distance of the gears, Z 2 、Z 3 The number of teeth, M, of the driven gear 2 and the driving gear 3 respectively n The normal modulus of the two gears is that beta is the helix angle of the helical gear, and the helix angles of the two gears are equal.
According to the calculation formula, under the condition that the modulus and the helix angle are equal, the center distance can be ensured to be unchanged by ensuring that the tooth number sum of the two gears is unchanged; in addition, the pitch angle can be adjusted to ensure that gear sets of different tooth numbers have the same center distance, and the distance between the center distances is the distance between the axes of the input shaft and the output shaft. The driving gear 3 and the driven gear 2 can also adopt straight-tooth cylindrical gears, and gear sets with different tooth numbers can be ensured to have the same center distance through the displacement of the gears.
Further, the driven gear 2 and the input shaft, and the driving gear 3 and the output shaft are all driven by flat keys. The driving gear 3, the driven gear 2, the input shaft and the output shaft are provided with key grooves, the key grooves on the gears are arranged in the mounting holes, during mounting, the flat key is firstly embedded into the key grooves on the shaft, and then the gears are sleeved on the shaft along the axial direction of the mounting holes, so that the flat key is opposite to the key grooves on the gears, and further synchronous rotation between the shaft and the gears is ensured.
Above-mentioned, the top of speed reducer main part 1 installs the input end cover 4 that accepts the gear box subassembly, and the end of input shaft runs through input end cover 4, and input end cover 4 can inject the input shaft and carry out axial positioning to it, can regard as the installation base of gear box subassembly again to housing 5 passes through fastener 6 that is screw fixed mounting on input end cover 4. Wherein, the housing 5 is in a calabash-shaped structure (as shown in fig. 3), one end of the input end cover 4 is suspended, the driving motor 7 is fixedly arranged at the bottom of the suspended end of the input end cover 4, and one end of the output shaft passes through the input end cover 4 to the interior of the housing 5 and is matched with the driving gear 3 in the housing 5.
Working principle:
the gear box assembly is composed of a driven gear 2, a driving gear 3, a housing 5 and other parts, is assembled on an input end cover 4 of a speed reducer body 1, and is respectively connected with an input shaft of the speed reducer body 1 and an output shaft of a driving motor 7, and the driving motor 7 is a priority servo motor; according to the transmission requirement, different transmission ratios can be adopted, the requirement of the determined center distance of the gears is met through the adjustment of the helical angle of the helical gear, meanwhile, the modular design is adopted at the beginning of the design of each part, the gears are universal in installation size except for the number of teeth, other mechanical parts do not need to be changed, namely, the change of any reduction ratio in theory can be realized only by changing the number of teeth of the two gears.
In summary, the driving gear 3 and the driven gear 2 meshed with each other are used for connecting the driving motor 7 and the input shaft of the speed reducer main body 1, and different transmission ratios are obtained by adjusting the gear ratio of the driving gear 3 and the driven gear 2 on the premise of unchanged center distance according to needs; in a word, the whole reduction ratio of the speed reducer can be adjusted through the gear box assembly, so that the operation is simple, the serialization of products is facilitated, the cost of the gear box assembly is low, and the modular replacement can be realized.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A modularization speed reducer suitable for AGV, its characterized in that: the speed reducer comprises a speed reducer body (1), wherein a driving motor (7) is arranged on one side of the speed reducer body (1), an output shaft of the driving motor (7) is parallel to an input shaft of the speed reducer body (1), and the driving motor and the input shaft are connected through a gear box assembly;
the gearbox assembly comprises a driven gear (2) and a driving gear (3) which are meshed with each other, the driving gear (3) is mounted on an output shaft of the driving motor (7), and the driven gear (2) is mounted on an input shaft of the speed reducer body (1).
2. The modular speed reducer for an AGV of claim 1, wherein: the input shaft is provided with a shaft shoulder, and a shaft end baffle is fixedly arranged at one end of the input shaft, which is close to the shaft shoulder; the driven gear (2) is sleeved on the input shaft; one end of the shaft is propped against the shaft shoulder, and the other end of the shaft is propped against the shaft end baffle.
3. The modular reducer for an AGV of claim 2, wherein: the driven gear (2) and the input shaft, and the driving gear (3) and the output shaft are all driven by a flat key.
4. The modular speed reducer for an AGV of claim 1, wherein: the gearbox assembly further comprises a housing (5), the housing (5) is of a calabash-shaped structure, and the housing (5) is covered on the outer sides of the driven gear (2) and the driving gear (3).
5. The modular reducer for an AGV of claim 4, wherein: an input end cover (4) for supporting the gear box assembly is arranged at the top of the speed reducer body (1), the tail end of the input shaft penetrates through the input end cover (4), and the housing (5) is fixedly arranged on the input end cover (4) through a fastener (6).
6. The modular speed reducer for an AGV of claim 5, wherein: one end of the input end cover (4) is suspended, the driving motor (7) is fixedly arranged at the bottom of the suspended end of the input end cover (4), and one end of the output shaft penetrates through the input end cover (4) to the inside of the housing (5) and is matched with the driving gear (3) in the housing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322420395.8U CN220791991U (en) | 2023-09-07 | 2023-09-07 | Modularized speed reducer suitable for AGV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322420395.8U CN220791991U (en) | 2023-09-07 | 2023-09-07 | Modularized speed reducer suitable for AGV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791991U true CN220791991U (en) | 2024-04-16 |
Family
ID=90633448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322420395.8U Active CN220791991U (en) | 2023-09-07 | 2023-09-07 | Modularized speed reducer suitable for AGV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791991U (en) |
-
2023
- 2023-09-07 CN CN202322420395.8U patent/CN220791991U/en active Active
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