CN114542668A - High-power multi-branch star-shaped gear transmission device - Google Patents

High-power multi-branch star-shaped gear transmission device Download PDF

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Publication number
CN114542668A
CN114542668A CN202210096258.0A CN202210096258A CN114542668A CN 114542668 A CN114542668 A CN 114542668A CN 202210096258 A CN202210096258 A CN 202210096258A CN 114542668 A CN114542668 A CN 114542668A
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China
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gear
gears
gear transmission
input
transmission system
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Granted
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CN202210096258.0A
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Chinese (zh)
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CN114542668B (en
Inventor
王三民
刘琳琳
何前进
赵永进
邹浩然
陈鹏
杜颖
张旭阳
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Northwestern Polytechnical University
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Northwestern Polytechnical University
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Publication of CN114542668A publication Critical patent/CN114542668A/en
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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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
    • 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
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • 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
    • F16H2057/02039—Gearboxes for particular applications
    • 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
    • F16H2057/02095—Measures for reducing number of parts or components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a high-power multi-branch star-shaped gear transmission device which comprises an input shaft, a box body, a supporting plate, a gear transmission system and an output shaft, wherein the box body is arranged on the input shaft; the supporting plate and the gear transmission system are arranged between the box body and the output shaft; the gear transmission system is fixed on the supporting plate and the box body; the input shaft penetrates through the box body to be connected with the gear transmission system, and the output shaft is connected with the gear transmission system; the main machine transmits the input power to the gear transmission system through the input shaft, divides the input power through the gear transmission system, collects the divided input power, and outputs the divided input power to the propeller through the output shaft. The invention can share larger torque to gears of different levels, improves the upper limit of load of the whole system, can transmit larger torque and improves the transmission ratio.

Description

High-power multi-branch star-shaped gear transmission device
Technical Field
The invention belongs to the technical field of transmission, and particularly relates to a multi-branch star-shaped gear transmission device.
Background
The power split transmission system has the advantages of strong bearing capacity, large transmission ratio, compact structure and the like, and is widely applied to high-power transmission. In a low-speed heavy-load power system, a high-power herringbone gear transmission device is widely applied, the conventional power split transmission system mainly comprises two branches, three branches and four branches, and more branches are rare. The invention of China CN201510173879.4 discloses a power branch transmission mechanism which can divide power into six branches equally, but has the defects of more gears, complex structure and the like. The invention of China CN201710142715.4 discloses a planetary transmission system with a planetary gear double-row parallel uniformly-distributed shunting structure, which uses double-row planetary gears to increase the number of branches, and the improvement effect on the transmission ratio is not obvious.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a high-power multi-branch star-shaped gear transmission device which comprises an input shaft, a box body, a supporting plate, a gear transmission system and an output shaft; the supporting plate and the gear transmission system are arranged between the box body and the output shaft; the gear transmission system is fixed on the supporting plate and the box body; the input shaft penetrates through the box body to be connected with the gear transmission system, and the output shaft is connected with the gear transmission system; the main machine transmits the input power to the gear transmission system through the input shaft, divides the input power through the gear transmission system, collects the divided input power, and outputs the divided input power to the propeller through the output shaft. The invention can share larger torque to gears of different levels, improves the upper limit of load of the whole system, can transmit larger torque and improves the transmission ratio.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a high-power multi-branch star-shaped gear transmission device comprises an input shaft, a box body, a supporting plate, a gear transmission system and an output shaft; the supporting plate and the gear transmission system are arranged between the box body and the output shaft; the gear transmission system is fixed on the supporting plate and the box body; the input shaft penetrates through the box body to be connected with a gear transmission system, and the output shaft is connected with the gear transmission system; the input power is transmitted to the gear transmission system through the input shaft, and is divided and summarized through the gear transmission system and then is output through the output shaft.
The box body is a hollow cylinder with one closed side and one open side, and is provided with two supporting bases for fixing and supporting the planetary gear transmission device;
the gear transmission system comprises a torque-dividing stage gear and a parallel operation stage gear; the torque-dividing stage gear is positioned in the box body, and the supporting plate is positioned between the torque-dividing stage gear and the parallel operation stage gear; the supporting plate is fixed on the box body through a bolt;
the torque grading gear comprises input teeth, a first idler gear set and a large gear set; the first idler gear set comprises three identical first idler gears, and the large gear set comprises three identical large gears; the three first idle wheels are uniformly distributed around the input tooth by taking the input tooth as a central point, and are all meshed with the input tooth; the three large gears are uniformly distributed by taking the input teeth as central points, and are correspondingly meshed with the three first idle gears one by one; the input shaft penetrates through the box body and is fixedly connected with the input teeth; one ends of gear shafts of the three large gears are fixed on the box body; the three first idle wheels and the gear shaft of the input gear are all fixed on the supporting plate;
the parallel operation stage gear comprises a small gear set, a second idler gear set and a gear ring; the pinion set includes three identical pinions, and the second idler set includes six identical second idlers; the other ends of the gear shafts of the three large gears penetrate through the supporting plate and continuously penetrate through the three small gears, so that the three small gears respectively correspond to the three large gears one by one to form three duplicate gears; the six second idle wheels are divided into three idle wheel small groups, each idle wheel small group comprises two second idle wheels, the three pinion gears are respectively paired with the three idle wheel small groups, and each pinion gear is meshed with two second idle wheels in the paired idle wheel small groups simultaneously; one ends of gear shafts of the six second idle gears are fixed on the supporting plate;
the six second idler wheels are all meshed with the gear ring;
the output shaft is fixed outside the gear ring through a bolt and rotates along with the gear ring.
Power is transmitted to the input teeth through the input shaft and then is transmitted to the three large gears through the three first idle gears respectively; the three large gears are transmitted to the three small gears through the duplicate gear, the three small gears are transmitted to the six second idle gears, and finally the six second idle gears combine power to the gear ring to be output to the output shaft and then output by the output shaft.
Preferably, in the torque-dividing step gear, the input teeth, any one of the first idler gears and the large gear meshed with the first idler gear are distributed in a triangular shape.
Preferably, in the torque-dividing step gear, the input teeth and any one of the first idler gears and the large gear meshed with the first idler gear are distributed in a straight line.
Preferably, in the parallel operation stage gear, any one of the pinions and two second idle gears engaged with the pinion are linearly arranged.
Preferably, in the parallel operation stage gear, any one pinion and two second idle gears meshed with the pinion are distributed in a triangular shape.
The invention has the following beneficial effects:
1. the invention can share larger torque to gears of different levels, improves the upper limit of load of the whole system, can transmit larger torque and improves the transmission ratio.
2. The invention adopts less gears on the basis of six branches, optimizes the configuration and reduces the difficulty of manufacture and assembly.
Drawings
FIG. 1 is a diagram of the overall assembly structure of the present invention.
Fig. 2 is an exploded view of the present invention.
FIG. 3 is a schematic diagram of a torque-sharing stage of the gear system of the present invention in which (a) is arranged in a triangular configuration and (b) is arranged in a straight configuration.
Fig. 4 is a schematic diagram of a parallel stage gear system of the present invention in which (a) are arranged in a straight line and (b) are arranged in a triangular pattern.
Fig. 5 is a three-dimensional structural view of the gear transmission system of the present invention.
Fig. 6 is a rear view of the gear system of the present invention.
In the figure: 1-input shaft, 2-box, 3-support plate, 4-gear transmission system, 5-output shaft, Z1-input gear, Z2-first idler gear set, Z3-large gear set, Z4-small gear set, Z5-second idler gear set and Z6-gear ring.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
In order to solve the requirements of the conventional power transmission system on higher power and higher transmission ratio, the invention provides a high-power multi-branch star-shaped gear transmission device.
A high-power multi-branch star-shaped gear transmission device comprises an input shaft 1, a box body 2, a supporting plate 3, a gear transmission system 4 and an output shaft 5; the supporting plate 3 and the gear transmission system 4 are arranged between the box body 2 and the output shaft 5; the gear transmission system 4 is fixed on the support plate 3 and the box body 2; the input shaft 1 penetrates through the box body 2 to be connected with a gear transmission system 4, and the output shaft 5 is connected with the gear transmission system 4; the input power is transmitted to the gear transmission system 4 through the input shaft 1, and is divided and summarized through the gear transmission system 4 and then is output through the output shaft 5.
The box body 2 is a hollow cylinder with one closed side and one open side, is provided with two supporting bases and is used for fixing and supporting the planetary gear transmission device;
the gear transmission system 4 comprises a torque-division stage gear and a parallel operation stage gear; the torque-dividing stage gear is positioned in the box body 2, and the supporting plate 3 is positioned between the torque-dividing stage gear and the parallel operation stage gear; the supporting plate 3 is fixed on the box body 2 through bolts;
the torque grading gear comprises an input tooth Z1, a first idler gear group Z2 and a bull gear group Z3; the first idler set Z2 comprises three identical first idlers and the large gear set Z3 comprises three identical large gears; the three first idle wheels are uniformly distributed around the input tooth Z1 by taking the input tooth Z1 as a central point, and are all meshed with the input tooth Z1; the three large gears are uniformly distributed by taking the input tooth Z1 as a central point, and are correspondingly meshed with the three first idle gears one by one; the input shaft 1 penetrates through the box body 2 and is fixedly connected with an input tooth Z1; one ends of gear shafts of the three large gears are fixed on the box body 2; the three first idle wheels and the gear shaft of the input tooth Z1 are all fixed on the support plate 3;
the parallel gear comprises a pinion set Z4, a second idler set Z5 and a ring gear Z6; the pinion set Z4 includes three identical pinions and the second idler set Z5 includes six identical second idlers; the other ends of the gear shafts of the three large gears penetrate through the supporting plate 3 and continuously penetrate through the three small gears, so that the three small gears and the three large gears respectively correspond to form three duplicate gears one by one; the six second idle wheels are divided into three idle wheel small groups, each idle wheel small group comprises two second idle wheels, the three pinion gears are respectively paired with the three idle wheel small groups, and each pinion gear is meshed with two second idle wheels in the paired idle wheel small groups simultaneously; one ends of gear shafts of the six second idle gears are fixed on the supporting plate 3;
the six second idle wheels are all meshed with the gear ring Z6;
the output shaft 5 is fixed to the outside of the ring gear 6 by bolts and rotates together with the ring gear 6.
The power is transmitted to the input teeth Z1 through the input shaft 1 and then is transmitted to the three large gears through the three first idle gears respectively; and the three large gears are transmitted to the three small gears through the duplicate gear, the three small gears are transmitted to six second idle gears, and finally the six second idle gears combine the power to the gear ring Z6 to be output to the output shaft, and then the power is output by the output shaft.
Preferably, in the torque-dividing step gear, the input tooth Z1 and any one of the first idler gears and the large gear meshed with the first idler gear are distributed in a triangular shape.
Preferably, in the torque-dividing step gear, the input tooth Z1 and any one of the first idler gears and the large gear meshed with the first idler gear are linearly distributed.
Preferably, in the parallel operation stage gear, any one of the pinions and two second idle gears engaged with the pinion are linearly arranged.
Preferably, in the parallel operation stage gear, any one pinion and two second idle gears meshed with the pinion are distributed in a triangular shape.
The specific embodiment is as follows:
as shown in fig. 1 to 6, the high-power multi-branch star-shaped gear transmission device in the embodiment includes a box body 2, a supporting plate 3, an input shaft 1, a gear transmission system 4 and an output shaft 5, wherein the supporting plate 3 is fixed in the box body 2, the gear transmission system 4 is installed on the box body 2 and the supporting plate 3, and the input shaft 1 and the output shaft 5 are connected to two ends of the gear transmission system 4.
The box 2 is cylindrical and has two supporting bases for fixing and supporting the whole planetary gear transmission, and is arranged between the main machine and the propeller.
The support plate 3 is fixed in the case 2 by bolts and fixes the gear transmission system 4 using bearings.
The input shaft 1 is connected with a main machine and a gear transmission system 4 to provide power for the whole transmission device.
The gear transmission system 4 is divided into a torque division stage and a parallel operation stage. The torque-dividing step gear comprises an input tooth Z1, an idler gear Z21, Z22, Z23 and large gears Z31, Z32 and Z33, wherein the input tooth Z1 is simultaneously meshed with the idler gears Z21, Z22 and Z23, Z21 is meshed with Z31, Z22 is meshed with Z32, and Z23 is meshed with Z33. The parallel stage gear comprises pinions Z41, Z42, Z43, idler Z51, Z52, Z53, Z54, Z55, Z56 and ring gear Z6, gears Z31 and Z41 are double gears, i.e. fixed on the same shaft, as are also Z32 and Z42, Z33 and Z43. Gear Z41 meshes with idler gears Z51 and Z52, gear Z42 meshes with idler gears Z53 and Z54, gear Z41 meshes with idler gears Z55 and Z56, and idler gears Z51, Z52, Z53, Z54, Z55, Z56 simultaneously mesh with ring gear Z6.
The supporting plate is positioned between the torque-dividing stage and the parallel stage of the gear transmission system, and is provided with 13 mounting holes which are respectively used for fixing all gears of the torque-dividing stage and gears Z51, Z52, Z53, Z54, Z55 and Z56 of the parallel stage. The other end of the torque grading gear is fixed on the box body. Gears Z51, Z52, Z53, Z54, Z55 and Z56 are only fixed at one end, so that floating load balancing is achieved, and load is evenly distributed among a plurality of planet wheels.
The gear system 4 amounts to 17 herringbone gears. The gears Z21, Z22, Z23 have the same parameters such as tooth number, module, pressure angle, etc., and are collectively referred to as a gear Z2, and different numbers are used only for distinguishing positions, and the gears Z31, Z32, Z33, gears Z41, Z42, Z43, gears Z51, Z52, Z53, Z54, Z55, Z56 are similarly referred to as a gear Z3, a gear Z4, and a gear Z5, respectively.
The torque-dividing step gears of the gear transmission system 4 have two arrangement modes, one is as shown in fig. 3(a), and the gears Z1, Z2 and Z3 are distributed in a triangular shape; alternatively, as shown in fig. 3(b), the gears Z1, Z2, Z3 are linearly arranged.
The parallel operation stage gears of the gear transmission system 4 have two arrangement modes, one is as shown in fig. 4(a), the gear Z4 and the two gears Z5 are linearly distributed; alternatively, as shown in fig. 4(b), the gear Z4 and the two gears Z5 are arranged in a triangular shape.
The output shaft is fixed to the outside of the ring gear Z6, and is bolted to rotate together with the ring gear Z6. The other end of the output shaft 5 is connected with a propeller to drive the propeller to move.
The working principle is as follows: the main machine transfers power to the gear system 4 through the input shaft 1. The whole gear transmission system divides the high power and then summarizes and outputs the high power, the power is input by a pinion Z1 and is transmitted to Z31, Z32 and Z33 through idler gears Z21, Z22 and Z23 respectively, gears Z3 and Z4 are duplicate gears, three Z4 gears transmit the power to two Z5 gears respectively, finally, six Z5 gears combine the power to a gear ring Z6 and output the power to an output shaft, and the output shaft drives a propeller to move. Through the process, the larger torque is shared by gears of different levels, the upper load limit of the whole system is improved, the larger torque can be transmitted, and the transmission ratio is improved.

Claims (5)

1. A high-power multi-branch star-shaped gear transmission device is characterized by comprising an input shaft, a box body, a supporting plate, a gear transmission system and an output shaft; the supporting plate and the gear transmission system are arranged between the box body and the output shaft; the gear transmission system is fixed on the supporting plate and the box body; the input shaft penetrates through the box body to be connected with a gear transmission system, and the output shaft is connected with the gear transmission system; the input power is transmitted to a gear transmission system through an input shaft, and is divided and summarized through the gear transmission system and output through an output shaft;
the box body is a hollow cylinder with one closed side and one open side, and is provided with two supporting bases for fixing and supporting the planetary gear transmission device;
the gear transmission system comprises a torque-dividing stage gear and a parallel operation stage gear; the torque-dividing stage gear is positioned in the box body, and the supporting plate is positioned between the torque-dividing stage gear and the parallel operation stage gear; the supporting plate is fixed on the box body through a bolt;
the torque grading gear comprises input teeth, a first idler gear set and a large gear set; the first idler gear set comprises three identical first idler gears, and the large gear set comprises three identical large gears; the three first idle wheels are uniformly distributed around the input tooth by taking the input tooth as a central point, and are all meshed with the input tooth; the three large gears are uniformly distributed by taking the input teeth as central points, and are correspondingly meshed with the three first idle gears one by one; the input shaft penetrates through the box body and is fixedly connected with the input teeth; one ends of gear shafts of the three large gears are fixed on the box body; the three first idle wheels and the gear shaft of the input gear are all fixed on the supporting plate;
the parallel operation stage gear comprises a small gear set, a second idler gear set and a gear ring; the pinion set includes three identical pinions, and the second idler set includes six identical second idlers; the other ends of the gear shafts of the three large gears penetrate through the supporting plate and continuously penetrate through the three small gears, so that the three small gears respectively correspond to the three large gears one by one to form three duplicate gears; the six second idle wheels are divided into three idle wheel small groups, each idle wheel small group comprises two second idle wheels, the three pinion gears are respectively paired with the three idle wheel small groups, and each pinion gear is meshed with two second idle wheels in the paired idle wheel small groups simultaneously; one ends of gear shafts of the six second idle gears are fixed on the supporting plate;
the six second idle wheels are all meshed with the gear ring;
the output shaft is fixed outside the gear ring through a bolt and rotates along with the gear ring;
power is transmitted to the input teeth through the input shaft and then is transmitted to the three large gears through the three first idle gears respectively; the three large gears are transmitted to the three small gears through the duplicate gear, the three small gears are transmitted to the six second idle gears, and finally the six second idle gears combine power to the gear ring to be output to the output shaft and then output by the output shaft.
2. The high power multi-branch star gear transmission of claim 1, wherein the torque-dividing step gear has an input tooth and any one of the first idler gears and a large gear engaged with the first idler gear in a triangular arrangement.
3. The high power multi-branch star gear transmission of claim 1, wherein the input teeth and any one of the first idler gears and the large gear engaged with the first idler gear are arranged in a straight line in the torque-dividing step gear.
4. A high power multi-branch star gear transmission as claimed in claim 1, wherein any one of the pinions of the parallel stage gears and the two second idlers engaged with the pinion are linearly arranged.
5. A high power multi-branch star gear transmission as claimed in claim 1, wherein any one of the pinions of the parallel stage gears and the two second idlers engaged with the pinion are arranged in a triangular shape.
CN202210096258.0A 2022-01-26 2022-01-26 High-power multi-branch star-shaped gear transmission device Active CN114542668B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130035194A1 (en) * 2010-04-13 2013-02-07 The Timken Company Load split mechanism for gear transmission
CN107100961A (en) * 2017-05-09 2017-08-29 天津工业大学 A kind of branch of power two divides transmission system of confluxing
CN111268112A (en) * 2020-02-27 2020-06-12 西安工业大学 Cone tooth-planet tooth composite splitting and converging coaxial dual-rotor variable-speed transmission device
CN214661789U (en) * 2021-03-30 2021-11-09 武汉理工大学 RV reducer adopting herringbone gear planetary reduction mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130035194A1 (en) * 2010-04-13 2013-02-07 The Timken Company Load split mechanism for gear transmission
CN107100961A (en) * 2017-05-09 2017-08-29 天津工业大学 A kind of branch of power two divides transmission system of confluxing
CN111268112A (en) * 2020-02-27 2020-06-12 西安工业大学 Cone tooth-planet tooth composite splitting and converging coaxial dual-rotor variable-speed transmission device
CN214661789U (en) * 2021-03-30 2021-11-09 武汉理工大学 RV reducer adopting herringbone gear planetary reduction mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李杰;王乐勤;: "国内基于功率分支技术齿轮箱的发展现状", 机械传动, no. 04, 10 August 2007 (2007-08-10) *

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