CN111720524A - Multi-mode switching speed reducer - Google Patents

Multi-mode switching speed reducer Download PDF

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Publication number
CN111720524A
CN111720524A CN202010664121.1A CN202010664121A CN111720524A CN 111720524 A CN111720524 A CN 111720524A CN 202010664121 A CN202010664121 A CN 202010664121A CN 111720524 A CN111720524 A CN 111720524A
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CN
China
Prior art keywords
wheel
planet
rotating shaft
mode switching
main wheel
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Pending
Application number
CN202010664121.1A
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Chinese (zh)
Inventor
陈海鑫
徐胡磊
胡忠剑
黄正勇
刘绍伟
周启育
张�林
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Individual
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Individual
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Priority to CN202010664121.1A priority Critical patent/CN111720524A/en
Publication of CN111720524A publication Critical patent/CN111720524A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention provides a multi-mode switching speed reducer which comprises a shell, a rotating shaft, a main wheel, a plurality of planet wheels, a connecting frame and an outer wheel. The rotation axis rotationally connects the casing, the main wheel set firmly in outside the rotation axis, the outer peripheral face of main wheel is equipped with first meshing section, a plurality of planet wheels, set up in along the circumferencial direction outside the main wheel, each planet wheel's outer peripheral face be equipped with the second meshing section of first meshing section meshing, the link with a plurality of planet wheel rotatable coupling, it is a plurality of the planet wheel set up equally spaced in the corner department of link, and with the main wheel is in same horizontal plane to guarantee a plurality of the planet wheel with the meshing stability of main wheel, wherein, a plurality of the planet wheel all install in on the link, through the link improves a plurality of the connection stability between the planet wheel, avoids a plurality of planet wheels skew at the moving in-process, improves multi-mode switching reduction gear's output efficiency and stability.

Description

Multi-mode switching speed reducer
Technical Field
The invention relates to the technical field of speed reducers, in particular to a multi-mode switching speed reducer.
Background
The reducer, as a device for changing the output torque, is generally butted against the output end of the output motor to change the output torque of the output motor. The reduction gear can be planetary reducer, is equipped with a plurality of planet wheels on this reduction gear, and a plurality of planet wheels mesh with the main wheel mutually respectively to switch the output mode of reduction gear, wherein, a plurality of planet wheels shift easily at the moving in-process, lead to the output efficiency of reduction gear to be lower.
Disclosure of Invention
The invention aims to provide a multi-mode switching speed reducer, which solves the problem that the output efficiency of the speed reducer in the prior art is low.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to one aspect of the present invention, there is provided a multi-mode switching reduction gear, comprising: a housing; a rotating shaft rotatably connected to the housing; the main wheel is fixedly arranged outside the rotating shaft; the outer peripheral surface of the main wheel is provided with a first meshing section; the planet wheels are arranged outside the main wheel along the circumferential direction; the peripheral surface of each planet wheel is provided with a second meshing section meshed with the first meshing section; the connecting frame is rotatably connected with the plurality of planet wheels; the planet wheels are arranged at the corners of the connecting frame at equal intervals and are positioned on the same horizontal plane with the main wheel; and the outer wheel is arranged in the shell and is provided with a third meshing section meshed with the second meshing section.
Optionally, one side of the connecting frame facing the planet wheel is connected with a rotating shaft, a bearing is sleeved on the rotating shaft, an inner ring of the bearing is connected with the outer peripheral surface of the rotating shaft, and an outer ring of the bearing is connected with the corresponding inner peripheral surface of the planet wheel.
Optionally, the bearing has a plurality of bearings, and the plurality of bearings are arranged at intervals in the thickness direction of the planet wheel.
Optionally, the end face of the rotating shaft is circumferentially provided with a protruding abutting portion, the abutting portion abuts against and supports the end face of the bearing, and the end face of the bearing is flush with the bottom face of the planet wheel.
Optionally, the outer wheel is flush with the plurality of planet wheels and is located on a side of the connecting frame facing away from the input end of the rotating shaft.
Optionally, the multi-mode switching reducer further comprises a mounting seat connected to the housing and capable of moving relative to the housing.
Optionally, the number of the mounting seats is two, and the two mounting seats are respectively arranged on two sides of the shell.
According to the technical scheme, the embodiment of the invention at least has the following advantages and positive effects:
in the multi-mode switching speed reducer of the embodiment of the invention, the rotating shaft is rotatably connected with the shell, the main wheel is fixedly arranged outside the rotating shaft, the outer peripheral surface of the main wheel is provided with a first meshing section, a plurality of planet wheels are arranged outside the main wheel along the circumferential direction, the outer peripheral surface of each planet wheel is provided with a second meshing section meshed with the first meshing section, the connecting frame is rotatably connected with the planet wheels, the planet wheels are arranged at the corners of the connecting frame at equal intervals, and is positioned on the same horizontal plane with the main wheel, thereby ensuring the meshing stability of a plurality of planet wheels and the main wheel, the planet wheels are all mounted on the connecting frame, the connecting frame improves the connection stability between the planet wheels, the deviation of the planet wheels in the operation process is avoided, and the output efficiency and the stability of the multi-mode switching speed reducer are improved.
Drawings
Fig. 1 is a perspective view of a multi-mode switching reduction gear according to an embodiment of the present application.
FIG. 2 is a front view of a multi-mode shift retarder of an embodiment of the present application.
Fig. 3 is a sectional view taken along the direction a in fig. 2.
Fig. 4 is a partial perspective view of a multi-mode switching reduction gear according to an embodiment of the present application.
The reference numerals are explained below:
100. switching the speed reducer in multiple modes;
1. a housing; 11. an accommodating chamber;
2. a rotating shaft;
3. a main wheel; 31. a first engagement section;
4. a planet wheel; 41. a second engagement section;
5. a connecting frame; 51. a rotating shaft; 511. an abutting portion; 52. a bearing;
6. an outer wheel; 61. a third engagement section;
7. and (7) mounting a seat.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
The reducer, as a device for changing the output torque, is generally butted against the output end of the output motor to change the output torque of the output motor. The reduction gear can be planetary reducer, is equipped with a plurality of planet wheels on this reduction gear, and a plurality of planet wheels mesh with the main wheel mutually respectively to switch the output mode of reduction gear, wherein, a plurality of planet wheels shift easily at the moving in-process, lead to the output efficiency of reduction gear to be lower.
Referring to fig. 1 to 4, the present invention provides a multi-mode switching speed reducer 100, where the multi-mode switching speed reducer 100 includes a housing 1, a rotating shaft 2, a main wheel 3, a plurality of planetary wheels 4, a connecting carrier 5, and an outer wheel 6, and the main wheel 3, the plurality of planetary wheels 4, the connecting carrier 5, and the outer wheel 6 are all accommodated in the housing 1.
The housing 1 is provided with an accommodating cavity 11, and the accommodating cavity 11 is used for accommodating the wheel 3, the plurality of planet wheels 4, the connecting frame 5 and the outer wheel 6. The housing 1 is formed by connecting a first shell and a second shell, and the first shell and the second shell surround to form the accommodating cavity 11.
Referring to fig. 2 and 3, the rotating shaft 2 is rotatably connected to the housing 1, so that the rotating shaft 2 can rotate relative to the housing 1, and an input end and an output end of the rotating shaft 2 are respectively located at an outer side of the housing 1 and are oppositely arranged, wherein the input end of the rotating shaft 2 is connected to an output motor in a butt joint manner.
In addition, a rolling bearing is connected between the rotating shaft 2 and the housing 1, and the stability and the rotating efficiency of the rotating shaft 2 are improved by the rolling bearing.
Referring to fig. 2 to 4, the main wheel 3 is fixedly disposed outside the rotating shaft 2, wherein the main wheel 3 is connected to the rotating shaft 2 by a flat key, so that the main wheel 3 rotates along with the rotation of the rotating shaft 2. The connection of the main wheel 3 and the rotating shaft 2 is realized by a flat key, so that the main wheel 3 and the rotating shaft 2 rotate simultaneously, and the main wheel 3 and the rotating shaft 2 are convenient to detach. The outer circumferential surface of the main wheel 3 is provided with first meshing sections 31, which first meshing sections 31 are evenly arranged along the outer circumferential surface of the main wheel 3.
Referring to fig. 2 to 4, a plurality of planetary wheels 4 are arranged outside the main wheel 3 along the circumferential direction; the outer peripheral surface of each planetary gear 4 is provided with a second meshing section 41 meshed with the first meshing section 31, relative rotation between a plurality of planetary gears 4 and the main wheel 3 is realized through meshing of the second meshing section 41 and one meshing section 31, and the output speed of the multi-mode switching speed reducer 100 is adjusted, so that the mode switching of the multi-mode switching speed reducer 100 is realized.
Referring to fig. 2 to 4, the outer wheel 6 is installed in the housing 1, and is provided with a third engaging section 61 engaged with the second engaging section 41, so that the second engaging section 41 is engaged with the third engaging section 61 and the first engaging section 31, respectively, to realize speed regulation of the multi-mode switching speed reducer 100.
Referring to fig. 2 to 4, the connecting carrier 5 is rotatably connected to a plurality of planet wheels 4; the plurality of planet wheels 4 are arranged at the corners of the connecting frame 5 at equal intervals and are positioned on the same horizontal plane with the main wheel 3, so that the meshing stability of the plurality of planet wheels 4 and the main wheel 3 is ensured, wherein the plurality of planet wheels 4 are all arranged on the connecting frame 5, the connecting stability between the plurality of planet wheels 4 is improved through the connecting frame 5, the deviation of the plurality of planet wheels 4 in the running process is avoided, and the output efficiency and the stability of the multi-mode switching speed reducer 100 are improved.
One side of the connecting frame 5 facing the planet wheel 4 is connected with a rotating shaft 51, the rotating shaft 51 is sleeved with the bearing 52, the inner ring of the bearing 52 is connected with the outer peripheral surface of the rotating shaft 51, the outer ring of the bearing 52 is connected with the corresponding inner peripheral surface of the planet wheel 4, the rotating performance of the planet wheel 4 relative to the rotating shaft 51 is improved through the bearing 52, the rotating efficiency of the planet wheel 4 is improved, and the rotating stability of the planet wheel 4 relative to the rotating shaft 5 is ensured.
The number of the bearings 52 is plural, the plural bearings 52 are arranged at intervals in the thickness direction of the planetary gear 4, and the rotational stability of the planetary gear 4 with respect to the rotating shaft 5 is improved by increasing the contact area of the bearings 52 with the planetary gear 4.
Specifically, the number of the bearings 52 is two, and the two bearings 52 are respectively located at two ends of the bearing 52, so as to ensure the overall stability of the planet wheel 4, avoid the deviation of the plurality of planet wheels 4 in the operation process, and improve the output efficiency and stability of the multi-mode switching speed reducer 100.
An abutting part 511 is circumferentially and convexly arranged on the end face of the rotating shaft 51, the abutting part 511 abuts against and supports the end face of the bearing 52, the end face of the bearing 52 is flush with the bottom face of the planet wheel 4, the rotating stability of the bearing 52 and the planet wheel 4 is ensured, the planet wheels 4 are prevented from deviating in the running process, and the output efficiency and the stability of the multi-mode switching speed reducer 100 are improved.
The outer wheel 6 is flush with the plurality of planet wheels 4 and is located on the side of the connecting carrier 5 facing away from the input end of the rotating shaft 2, and the outer wheel 6 and the plurality of planet wheels 4 effectively utilize the space of the accommodating cavity 11 of the housing 1.
Since the outer wheel 6 is flush with a plurality of the planetary wheels 4, the meshing stability of the outer wheel 6 and the plurality of the planetary wheels 4 is ensured, so that the rotational stability among the outer wheel 6, the planetary wheels 4 and the main wheel 3 is ensured. Through the outer wheel 6 is with a plurality of the setting of flushing of planet wheel 4 is convenient for outer wheel 6 is with a plurality of planet wheel 4 rotates on level ground each other, avoids outer wheel 6 is with a plurality of the skew of planet wheel 4.
The multi-mode switching speed reducer 100 further comprises a mounting seat 7, wherein the mounting seat 7 is connected with the shell 1 and can move relative to the shell 1 so as to adjust the position of the shell 1 relative to the output motor and ensure the butt joint of the rotating shaft 2 and the output motor.
The two installation seats 7 are respectively arranged on two sides of the shell 1, so that the installation strength of the shell 1 is reinforced, and the butt joint stability of the rotating shaft 2 and the output motor is ensured.
In the multi-mode switching speed reducer 100 according to the embodiment of the present invention, the rotating shaft 2 is rotatably connected to the housing 1, the main wheel 3 is fixedly disposed outside the rotating shaft 2, the first meshing section 31 is disposed on the outer peripheral surface of the main wheel 3, the plurality of planetary wheels 4 are circumferentially disposed outside the main wheel 3, the second meshing section 41 meshed with the first meshing section 31 is disposed on the outer peripheral surface of each planetary wheel 4, the connecting frame 5 is rotatably connected to the plurality of planetary wheels 4, the plurality of planetary wheels 4 are disposed at the corners of the connecting frame 5 at equal intervals and are located on the same horizontal plane with the main wheel 3, so as to ensure the meshing stability between the plurality of planetary wheels 4 and the main wheel 3, wherein the plurality of planetary wheels 4 are all mounted on the connecting frame 5, and the connecting stability between the plurality of planetary wheels 4 is improved by the connecting frame 5, the deviation of a plurality of planet wheels 4 in the operation process is avoided, and the output efficiency and the stability of the multi-mode switching speed reducer 100 are improved.
In addition, the rotating shaft 51 is connected to one side of the connecting frame 5 facing the planet wheels 4, the bearing 52 is sleeved on the rotating shaft 51, the inner ring of the bearing 52 is connected with the outer peripheral surface of the rotating shaft 51, the outer ring of the bearing 52 is connected with the corresponding inner peripheral surface of the planet wheels 4, and the bearing 52 improves the rotating performance of the planet wheels 4 relative to the rotating shaft 51, so that the rotating efficiency of the planet wheels 4 is improved, and the rotating stability of the planet wheels 4 relative to the rotating shaft 5 is ensured. The number of the bearings 52 is multiple, the bearings 52 are arranged at intervals in the thickness direction of the planet wheel 4, and the contact area of the bearings 52 and the planet wheel 4 is increased to improve the rotation stability of the planet wheel 4 relative to the rotating shaft 5.
A plurality of the planet wheels 4 are arranged outside the main wheel 3 along the circumferential direction; the outer peripheral surface of each of the planetary gears 4 is provided with the second meshing section 41 that meshes with the first meshing section 31, and the relative rotation between the plurality of planetary gears 4 and the main wheel 3 is realized by the meshing between the second meshing section 41 and one meshing section 31, and the adjustment of the output speed of the multi-mode switching reduction gear 100 is realized, so that the mode switching of the multi-mode switching reduction gear 100 is realized.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (7)

1. A multiple mode switching reducer comprising:
a housing;
a rotating shaft rotatably connected to the housing;
the main wheel is fixedly arranged outside the rotating shaft; the outer peripheral surface of the main wheel is provided with a first meshing section;
the planet wheels are arranged outside the main wheel along the circumferential direction; the peripheral surface of each planet wheel is provided with a second meshing section meshed with the first meshing section;
the connecting frame is rotatably connected with the plurality of planet wheels; the planet wheels are arranged at the corners of the connecting frame at equal intervals and are positioned on the same horizontal plane with the main wheel; and
and the outer wheel is arranged in the shell and is provided with a third meshing section meshed with the second meshing section.
2. The multi-mode switching reducer according to claim 1, wherein a rotating shaft is connected to a side of the connecting frame facing the planetary gears, a bearing is sleeved on the rotating shaft, an inner ring of the bearing is connected to an outer peripheral surface of the rotating shaft, and an outer ring of the bearing is connected to an inner peripheral surface of the corresponding planetary gear.
3. The multi-mode switching reducer according to claim 2, wherein the bearing has a plurality of bearings arranged at intervals in a thickness direction of the planet wheel.
4. A multi-mode switching speed reducer according to claim 3, wherein an end face of the rotating shaft is circumferentially provided with a protruding abutting portion that abuts and supports an end face of the bearing, the end face of the bearing being flush with a bottom face of the planet gear.
5. A multiple-mode switching reducer according to claim 3 in which the outer wheel is flush with a plurality of said planets and is on the side of the carrier facing away from the input of the rotating shaft.
6. A multiple mode shift speed reducer according to claim 1 in which said multiple mode shift speed reducer further includes a mount connected to said housing and movable relative to said housing.
7. A multiple mode shift speed reducer according to claim 6 in which there are two of said mounts, two of said mounts being respectively aligned on either side of said housing.
CN202010664121.1A 2020-07-10 2020-07-10 Multi-mode switching speed reducer Pending CN111720524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010664121.1A CN111720524A (en) 2020-07-10 2020-07-10 Multi-mode switching speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010664121.1A CN111720524A (en) 2020-07-10 2020-07-10 Multi-mode switching speed reducer

Publications (1)

Publication Number Publication Date
CN111720524A true CN111720524A (en) 2020-09-29

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ID=72572399

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Application Number Title Priority Date Filing Date
CN202010664121.1A Pending CN111720524A (en) 2020-07-10 2020-07-10 Multi-mode switching speed reducer

Country Status (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206478174U (en) * 2017-03-01 2017-09-08 长安大学 A kind of planetary reduction gear
CN107327544A (en) * 2017-08-31 2017-11-07 安徽理工大学 It is a kind of to move back and forth the nested type planetary reduction gear for being converted to one-way movement
CN108953507A (en) * 2018-09-18 2018-12-07 浙江东方机电有限公司 A kind of adjustable gear reduction unit of reduction ratio
CN109083992A (en) * 2018-09-18 2018-12-25 苏州科爱佳自动化科技有限公司 A kind of retarder for electric system
CN110285196A (en) * 2019-07-04 2019-09-27 宁德时代电动科技有限公司 Automobile wheel edge deceleration device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206478174U (en) * 2017-03-01 2017-09-08 长安大学 A kind of planetary reduction gear
CN107327544A (en) * 2017-08-31 2017-11-07 安徽理工大学 It is a kind of to move back and forth the nested type planetary reduction gear for being converted to one-way movement
CN108953507A (en) * 2018-09-18 2018-12-07 浙江东方机电有限公司 A kind of adjustable gear reduction unit of reduction ratio
CN109083992A (en) * 2018-09-18 2018-12-25 苏州科爱佳自动化科技有限公司 A kind of retarder for electric system
CN110285196A (en) * 2019-07-04 2019-09-27 宁德时代电动科技有限公司 Automobile wheel edge deceleration device

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Application publication date: 20200929