CN111810591A - Detachable compact power division main transmission system - Google Patents

Detachable compact power division main transmission system Download PDF

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Publication number
CN111810591A
CN111810591A CN202010619120.5A CN202010619120A CN111810591A CN 111810591 A CN111810591 A CN 111810591A CN 202010619120 A CN202010619120 A CN 202010619120A CN 111810591 A CN111810591 A CN 111810591A
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China
Prior art keywords
stage
planet carrier
gear ring
flange
gear
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CN202010619120.5A
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Chinese (zh)
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廖安国
廖明惠
廖雨嘉
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Individual
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Priority to CN202010619120.5A priority Critical patent/CN111810591A/en
Publication of CN111810591A publication Critical patent/CN111810591A/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
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Retarders (AREA)

Abstract

The invention relates to a detachable compact power division main transmission system, which is a wind power main transmission system and comprises a primary planetary gear train, a secondary planetary gear train and a supporting gear ring, wherein the supporting gear ring is internally provided with the primary planetary gear train and is fixed in a cabin system through a plurality of bearings; the left end of the supporting gear ring is connected with the wind wheel through a flange, and the right side of the supporting gear ring is connected with the secondary planet carrier assembly. The wind wheel is supported by the supporting gear ring, so that the structure is compact, and the supporting rigidity is high; the supporting gear ring is connected with the secondary planet carrier; the wind wheel drives the supporting gear ring and simultaneously drives the secondary planet carrier to realize power splitting; the gear ring is in floating connection with the engine room; the uniform loading performance is good; the bearing capacity of the whole transmission chain system is high; the three-stage planetary transmission structure is adopted, so that the bearing capacity is high, and the transmission speed ratio is large; the planetary gear trains at all levels are independent and detachable, and the transmission chain has the advantages of high power density, compact structure, light weight, high bearing capacity, convenience in maintenance and replacement and low cost.

Description

Detachable compact power division main transmission system
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a detachable compact power division main transmission system which is used for a wind power non-direct-drive transmission system.
Background
The common non-direct-drive wind power transmission system comprises a gear box, a main shaft, main shaft bearings, bearing seats, a locking disc, a coupling and other parts, wherein a wind wheel is connected with the gear box through the main shaft, the main shaft is supported on a bottom plate of a machine cabin through one or two main shaft bearings and the bearing seats, and the main function of the main shaft is to support the whole wind wheel and bear the bending moment and the torque of the wind wheel; the main function of the gear box is to realize the rotation speed matching between the wind wheel and the generator and drive the generator to generate electricity; the whole size of this kind of driving chain is long, and the width is wide, and weight is heavy.
The structure of a gearbox in a traditional transmission chain usually adopts a primary planet gear and secondary parallel gear structure or a secondary planet gear and primary parallel gear structure, a low-speed gear of the gearbox needs to bear all the torque of a wind wheel, the load is large, and a large transmission ratio needs to be realized; under the condition of equal torque input, the bending moment stress and the contact Hertz stress of the gear are large; the allowable bearing capacity of the gear material is certain, so that the low-speed gear ring in the traditional transmission chain has larger diameter and heavy overall weight in order to maintain the contact and bending safety margin of the gear.
The gearbox is used as a relatively integral part, when the planet level fails, the gearbox needs to be integrally replaced and maintained, the related overhead hoisting replacement cost is high, the dismounting is very difficult, large hoisting equipment and tools need to be additionally used, the field maintenance work amount is large, the replacement difficulty is high, and the maintenance cost is high.
Disclosure of Invention
The invention aims to overcome the defects and provides a detachable compact power splitting main transmission system, wherein a main shaft and a gear box are integrally designed, the overall size of a transmission chain is greatly reduced, the power density is high, the weight is light, and the cost is low; each stage of transmission assembly of the transmission system can be relatively independent, and the disassembly in the engine room of the fan can be easily realized; the disassembled parts have light weight, convenient maintenance and replacement and low maintenance cost.
The purpose of the invention is realized as follows: a detachable compact power split main transmission system comprises a supporting gear ring, a primary planetary gear train and a secondary planetary gear train, wherein the supporting gear ring is internally provided with the primary planetary gear train, and the secondary planetary gear train comprises a secondary planet carrier assembly; the supporting gear ring is fixed in the cabin system through a plurality of bearings; the left end of the supporting gear ring is connected with the wind wheel through a flange, and the right side of the supporting gear ring is connected with the secondary planet carrier assembly.
Further, the two-stage planetary gear train also comprises a two-stage gear ring which is in floating connection with the engine room system through a spline.
Furthermore, a first-level planet carrier assembly and a first-level sun gear can be arranged in the supporting gear ring, a first-level left flange is arranged on the left side of the supporting gear ring, the first-level planet carrier assembly is supported on the first-level left flange and the first-level right flange through a bearing, and the first-level planet carrier assembly is connected with the second-level sun gear.
The secondary planetary gear train also comprises a secondary sun gear, the secondary gear ring is meshed with a planetary gear in the secondary planet carrier assembly, the secondary planet carrier assembly is meshed with the secondary sun gear through the secondary planetary gear, and the secondary gear ring is arranged on the secondary planet carrier through a secondary gear ring left bearing and a secondary gear ring right bearing; the second-stage sun gear is connected with the first-stage planet carrier through a spline.
Furthermore, the three-stage planetary gear train comprises a three-stage planet carrier assembly, a three-stage flange, a three-stage gear ring and a three-stage sun gear, wherein the three-stage gear ring and the generator mounting flange are fixed on the three-stage flange, and the three-stage flange is fixed on the engine room.
Further, the left side of the three-stage planet carrier is supported on an engine room system through a bearing and a three-stage flange, and the right side of the three-stage planet carrier is supported on a generator mounting flange through a bearing; the third-level planet carrier is connected with the first-level sun gear, the third-level planet carrier rotationally drives the third-level sun gear, and the third-level sun gear is connected with the generator.
Furthermore, a first-level left flange and a first-level right flange are arranged inside the supporting gear ring.
Furthermore, a first-stage left flange and a first-stage right flange which are arranged inside the supporting gear ring are provided with mounting holes, and first-stage planet carrier bearings are arranged through the mounting holes and support a first-stage planet carrier; the first-stage planet carrier and the supporting gear ring form a closed whole through the first-stage left flange and the first-stage right flange.
Furthermore, the supporting gear ring is provided with a three-stage planetary gear train, the three-stage planetary gear train comprises a three-stage gear ring arranged on the inner wall of the supporting gear ring, the right side of the first-stage planet carrier assembly is supported on a first-stage right flange through a bearing, and the left side of the third-stage planet carrier assembly is supported on a first-stage left flange through a bearing; the generator is fixed in the engine room system through a fixed flange; and the third-stage sun gear is connected with an input shaft of the generator through a coupler.
Further, the cabin system comprises a cabin shell and a lower shell, wherein one end of the lower shell is communicated with the side wall of the cabin shell, and a spline flange is arranged inside the lower shell.
Compared with the prior art, the invention has the beneficial effects that:
(1) the supporting gear ring of the invention extends a flange on the side of the hub and is connected with the hub through a bolt or a pin, the supporting gear ring is directly supported on the cabin shell through 2 bearings, the supporting gear ring realizes the function of a main shaft, supports the whole wind wheel, the wind wheel directly drives the supporting gear ring to rotate, large-size parts such as the main shaft, a bearing seat, a locking disc and the like are omitted, the length and the width of the whole transmission chain are greatly reduced, the weight of the whole transmission system is also reduced, the cost is reduced, and higher overall power is realized under the size of the current height and width limitation of highway transportation.
(2) The left support and the right support are arranged in the support gear ring, and are matched with the gear ring through the seam allowance, so that radial support is provided, the rigidity of the support gear ring is improved, the deformation of the gear ring caused by the bending moment of a wind wheel is reduced, and the uniform load among planet wheels in an inner planet stage is improved; meanwhile, the bearing capacity of the gear ring supporting shaft is improved, so that the load distribution of the internal rolling body of the supporting gear ring bearing is more uniform. Related holes are formed in the left flange and the spline flange and used for mounting a primary planet carrier bearing and supporting a primary planet carrier; the first-stage planet carrier and the supporting gear ring form a closed whole through the left flange and the spline flange, the rigidity is high, and the influence of the change of external load on the meshing of the first-stage planet carrier internal gear is greatly reduced.
(3) The supporting gear ring is connected with the secondary planet carrier, so that the wind wheel synchronously drives the secondary planet carrier to rotate while driving the supporting gear ring in the rotating process, the secondary planet carrier drives the secondary planet wheel to rotate, the secondary planet wheel drives the secondary sun wheel to rotate, the secondary sun wheel is connected with the primary planet carrier through a spline, and the input power of the supporting gear ring and the input power of the secondary sun wheel are finally and integrally output to the tertiary planet carrier through the primary sun wheel through the primary planet-stage meshing motion; the supporting gear ring and the secondary planet carrier bear the torque from the wind wheel together, so that the load of the single-stage gear is greatly reduced; with the same input torque, the size can be smaller, and the overall weight is lighter.
(4) The inner surface of the secondary gear ring is provided with a 2-angle contact ball raceway surface, 2 inner rings of contact ball bearings are fixed on the secondary planet carrier, the rotation center of the secondary gear ring is concentric with the secondary planet carrier through the pre-tightening of the bearings, the influence of the gravity of the secondary gear ring on the non-uniform engagement of the secondary planetary gear train is eliminated and reduced, the load sharing among the planet wheels of the secondary planetary gear train is greatly improved, and the secondary load sharing effect is better.
(5) The secondary gear ring is in floating connection with the engine room through the spline, so that the manufacturing difficulty of the secondary gear ring is lower, and the manufacturability is better; the spline has angular, radial and axial supplement function system structure deformation to bring the change of the second-stage planet stage axis, and the engine room provides counter moment support for the whole transmission chain.
(6) The three-stage planetary gear train is relatively independent and detachable, the single stage can be easily disassembled and disassembled after failure, and is detached and replaced without additionally using large-scale hoisting equipment and tools, so that the overhead maintenance and replacement engineering quantity of the wind power transmission system is greatly reduced, the independent replacement of the failed stages of planetary gear trains can be easily realized, and the maintenance and replacement cost and the power loss caused by the shutdown of the whole machine due to the maintenance and replacement are greatly reduced.
(7) The engine room system adopts a cylindrical engine room system, and is formed by the criss-cross intersection of 2 cylinders according to a certain included angle, the engine room has a simple structural form, the parts of the engine room system can be greatly reduced, the processing of the parts and the assembly time of the fan engine room system are saved, in addition, a plurality of supporting positions are arranged in the engine room cylinder which is butted with the hub, a main shaft and a planet carrier are supported, the rigidity and the strength of the whole engine room system are greatly improved, the shell function of a gear box is born, and the weight of the whole engine room is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic sectional view of a support ring gear and a three-stage planetary gear train according to embodiment 1 of the present invention.
Fig. 3 is a schematic cross-sectional view of a two-stage planetary gear train according to embodiment 1 of the present invention.
Fig. 4 is a schematic cross-sectional view of a three-stage planetary gear train according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of a nacelle system according to embodiment 1 of the present invention.
Fig. 6 is a sectional view of a nacelle cylinder of embodiment 1 of the present invention.
Fig. 7 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 8 is a schematic structural view of the support ring gear 1 in embodiment 2 of the present invention.
Fig. 9 is a schematic cross-sectional view of a two-stage planetary gear train according to embodiment 2 of the present invention.
Fig. 10 is a schematic cross-sectional view of a three-stage planetary gear train according to embodiment 2 of the invention.
Wherein:
the device comprises a supporting gear ring 1, a primary planetary gear train 2, a primary left flange 2.1, a primary planet carrier assembly 2.2, a primary right flange 2.3, a primary sun gear 2.4, a secondary planetary gear train 3, a secondary gear ring 3.1, a secondary gear ring left bearing 3.2, a secondary planet carrier assembly 3.3, a secondary sun gear 3.4, a secondary gear ring right bearing 3.5, a tertiary planetary gear train 4, a tertiary planet carrier assembly 4.1, a tertiary flange 4.2, a tertiary gear ring 4.3, a generator mounting flange 4.4, a tertiary sun gear 4.5, a generator room system 5, a generator room cylinder 5.1, a lower cylinder 5.2, a spline flange 5.3 and a generator 6.
Detailed Description
Example 1:
referring to fig. 1-6, the invention relates to a detachable compact power split main transmission system, which comprises a supporting gear ring 1, a primary planetary gear train 2, a secondary planetary gear train 3, a tertiary planetary gear train 4, a cabin system 5 and a generator 6.
The primary planetary gear train 2 comprises a primary left flange 2.1, a primary planet carrier assembly 2.2, a primary right flange 2.3 and a primary sun gear 2.4; the secondary planetary gear train 3 comprises a secondary gear ring 3.1, a secondary gear ring left bearing 3.2, a secondary planet carrier component 3.3, a secondary sun gear 3.4 and a secondary gear ring right bearing 3.5; the three-stage planetary gear train 4 comprises a three-stage planet carrier assembly member 4.1, a three-stage flange 4.2, a three-stage gear ring 4.3, a generator mounting flange 4.4 and a three-stage sun gear 4.5.
One-level planet carrier subassembly 2.2, second grade planet carrier subassembly 3.3 and tertiary planet carrier subassembly 4.1 all include planet carrier, planet wheel bearing and planet round pin axle.
The left end of the supporting gear ring 1 is connected with the wind wheel system, a primary left flange 2.1 is arranged on the left side of the supporting gear ring 1, a primary right flange 2.3 is arranged on the right side of the supporting gear ring 1, and the primary left flange 2.1 and the primary right flange 2.3 are matched with the gear ring through rabbets, so that internal support is provided for the supporting gear ring 1, and deformation of the supporting gear ring 1 is reduced; be equipped with the mounting hole on one-level left flange 2.1 and one-level right flange 2.3, install one-level planet carrier bearing in the mounting hole, one-level planet carrier bearing supports one-level planet carrier subassembly 2.2, one-level planet carrier subassembly 2.2 supports on one-level left flange 2.1 and one-level right flange 2.3 through 2 bearings, one-level planet carrier subassembly 2.2 forms a relatively confined whole with one-level planet carrier bearing through one-level left flange 2.1 and one-level right flange 2.3 with supporting ring gear 1, the rigidity is good, inside gear engagement receives external load change to influence for a short time.
The secondary planet carrier component 3.3 is connected with the supporting gear ring 1, the secondary planet carrier component 3.3 rotationally drives the secondary sun gear 3.4 to rotate, the secondary sun gear 3.4 is connected with the primary planet carrier component 2.2 through a spline, and finally the whole torque of the supporting gear ring 1 and the secondary sun gear 3.4 is output to the tertiary planet gear train 4 through the primary sun gear 2.4 through the meshing motion of the primary planet carrier component 2.2.
The secondary gear ring 3.1 is arranged on the secondary planet carrier component 3.3 through a secondary gear ring left bearing 3.2 and a secondary gear ring right bearing 3.5; the inner surface of the secondary gear ring 3.1 forms a 2-point contact ball raceway surface through machining, 2 inner rings of contact ball bearings are fixed on the secondary planet carrier component 3.3, and the rotating center of the secondary gear ring 3.1 and the center of the secondary planet carrier component 3.3 are always concentric through pre-tightening of the bearings, so that the uneven influence of the gravity of the secondary gear ring 3.1 on the meshing with the secondary planetary gear train 3 is eliminated and reduced.
The three-level gear ring 4.3 is fixed on the engine room system 5 through a three-level flange 4.2, the generator 6 is fixed on the three-level gear ring 4.3 through a generator mounting flange 4.4, the left side of the three-level planet carrier assembly 4.1 is supported on the second-level planet carrier assembly 3.3 through a bearing, and the right side of the three-level planet carrier assembly is supported on the generator mounting flange 4.4 through a bearing; the three-stage planet carrier assembly 4.1 is connected with the first-stage sun gear 2.4, the three-stage planet carrier assembly 4.1 is driven to rotate through the first-stage sun gear 2.4, the three-stage planet carrier assembly 4.1 drives the third-stage sun gear 4.5 through meshing between the 3-stage planet gears, the third-stage sun gear 4.5 is connected with an input shaft of the generator 6 through a coupler, and finally the generator is driven to rotate, so that the magnetic force lines are cut to output electric energy outwards.
The engine room system 5 comprises a cylindrical engine room shell 5.1 and a lower cylinder 5.2, one end of the lower cylinder 5.2 is communicated with the side wall of the cylindrical engine room shell 5.1 in an intersecting manner, and the sections of the cylindrical engine room shell 5.1 and the lower cylinder 5.2 are in a T-shaped structure; the cylindrical engine room shell 5.1 is in butt joint with a hub of a fan, 3 support frames are arranged inside the cylindrical engine room shell 5.1 and support a main shaft and a planet carrier, the rigidity and the strength of a whole engine room system are greatly improved, the shell function of a gear box is born, the weight of the whole engine room is reduced, and the lower cylinder 5.2 is mainly connected with parts such as a yaw system and a tower barrel of the fan.
The working principle is as follows:
the primary planetary gear train is integrally supported in the cylindrical engine room shell through 2 bearings by utilizing the supporting gear ring, and the supporting gear ring supports the whole wind wheel, so that a main shaft is omitted; the left side of a supporting gear ring in the primary planetary gear train is connected with a wind wheel system through a flange, the right side of the supporting gear ring is connected with a secondary planet carrier of the secondary planetary gear train, and the wind wheel drives the supporting gear ring to drive the secondary planet carrier to rotate. The wind wheel system rotates after capturing wind energy, drives the supporting gear ring and the secondary planet carrier to rotate simultaneously, and the supporting gear ring and the secondary planet carrier share the capturing torque of the wind wheel together. The secondary planet carrier drives a secondary sun gear to rotate through the meshing motion of an internal gear of the secondary planetary gear train, and transmits the energy from the wind wheel shared by the secondary planet carrier to the secondary sun gear, and the secondary sun gear is connected with the primary planet carrier; the secondary sun wheel drives the primary planet carrier to rotate; and the energy of the wind wheel shared by the second-stage planet carrier is transferred to the first-stage planet carrier. The supporting gear ring and the primary planet carrier rotate simultaneously, and the primary sun gear is driven to rotate according to the meshing motion relationship of the internal gears of the primary planetary gear train; and the supporting gear ring shares the energy captured by the wind wheel and the energy (from the sharing part with the second-stage planet carrier) of the second-stage sun gear to be transmitted to the first-stage sun gear, the first-stage sun gear penetrates through the hollow second-stage sun gear to be connected with the third-stage planet carrier to drive the third-stage planet carrier to rotate, the third-stage planet carrier rotationally drives the third-stage sun gear through the meshing motion of the 3-stage planet gear, the third-stage sun gear is connected with the input shaft of the generator to drive the generator to rotate, and the.
Example 2:
referring to fig. 7-10, the detachable compact power split main transmission system according to the present invention is different from embodiment 1 in that the primary planetary gear train 2 and the tertiary planetary gear train 4 are disposed in the supporting ring gear 1, the tertiary ring gear 4.3 is disposed on the inner wall of the supporting ring gear 1, the right side of the primary planet carrier assembly 2.2 is supported on the primary right flange 2.3 through a bearing, and the left side of the tertiary planet carrier assembly 4.1 is supported on the primary left flange 2.1 through a bearing;
the generator 6 is flange-mounted in the nacelle system 5.
And the third-stage sun gear 4.5 is connected with an input shaft of the generator 6 through a coupler, and finally drives the generator to rotate.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a but split compact power split main transmission system, it includes support ring gear (1), one-level planetary gear train (2) and second grade planetary gear train (3), its characterized in that: a primary planetary gear train (2) is arranged in the supporting gear ring (1), and the supporting gear ring (1) is fixed in the engine room system (5) through a plurality of bearings; the secondary planetary gear train (3) comprises a secondary planet carrier assembly member (3.3); the left end of the supporting gear ring (1) is connected with the wind wheel through a flange, and the right side of the supporting gear ring (1) is connected with the secondary planet carrier assembly (3.3).
2. A detachable compact power splitting main drive system according to claim 1, characterized in that: therefore, the secondary planetary gear train (3) also comprises a secondary gear ring (3.1), and the secondary gear ring (3.1) is in floating connection with the engine room system (5) through a spline.
3. A detachable compact power splitting main drive system according to claim 1, characterized in that: set up one-level planet carrier subassembly (2.2) and one-level sun gear (2.4) in supporting ring gear (1), the left side that supports ring gear (1) sets up one-level left flange (2.1), and one-level planet carrier subassembly (2.2) supports on one-level left flange (2.1) and one-level right flange (2.3) through the bearing, and one-level planet carrier subassembly (2.2) is connected with second grade sun gear (3.4).
4. A detachable compact power splitting main drive system according to claim 1, characterized in that: the secondary planetary gear train (3) further comprises a secondary sun gear (3.4), the secondary gear ring (3.1) is meshed with a planetary gear in the secondary planet carrier assembly (3.3), the secondary planet carrier assembly (3.3) is meshed with the secondary sun gear (3.4) through a secondary planetary gear, and the secondary gear ring (3.1) is arranged on the secondary planet carrier (3.3) through a secondary gear ring left bearing (3.2) and a secondary gear ring right bearing (3.5); and the secondary sun gear (3.4) is connected with the primary planet carrier assembly (2.2) through a spline.
5. A detachable compact power splitting main drive system according to claim 1, characterized in that: the three-stage planetary gear train comprises a three-stage planetary gear frame assembly (4.1), a three-stage flange (4.2), a three-stage gear ring (4.3) and a three-stage sun gear (4.5), wherein the three-stage gear ring (4.3) and a generator mounting flange (4.4) are fixed on the three-stage flange (4.2), and the three-stage flange (4.2) is fixed on an engine room system (5).
6. A detachable compact power splitting main transmission system according to claim 5, characterized in that: the left side of the three-stage planet carrier (4.1) is supported on an engine room system (5) through a bearing and a three-stage flange (4.2), and the right side of the three-stage planet carrier is supported on a generator mounting flange (4.4) through a bearing; the three-stage planet carrier (4.1) is connected with the first-stage sun gear (2.4), the three-stage planet carrier (4.1) rotationally drives the three-stage sun gear (4.5), and the three-stage sun gear (4.5) is connected with the generator (6).
7. A detachable compact power splitting main drive system according to claim 1, characterized in that: the supporting gear ring (1) is internally provided with a first-level left flange (2.1) and a first-level right flange (2.3).
8. A detachable compact power splitting main drive system according to claim 7, characterized in that: a first-stage left flange (2.1) and a first-stage right flange (2.3) which are arranged in the supporting gear ring (1) are provided with mounting holes, and first-stage planet carrier bearings are arranged through the mounting holes and support the first-stage planet carrier assembly (2.2); the primary planet carrier assembly (2.2) and the supporting gear ring (1) form a closed whole through a primary left flange (2.1) and a primary right flange (2.3).
9. A detachable compact power splitting main drive system according to claim 1, characterized in that: a three-stage planetary gear train (4) is arranged in the supporting gear ring (1), the three-stage planetary gear train (4) comprises a three-stage gear ring (4.3) arranged on the inner wall of the supporting gear ring (1), the right side of the first-stage planet carrier assembly (2.2) is supported on a first-stage right flange (2.3) through a bearing, and the left side of the third-stage planet carrier assembly (4.1) is supported on a first-stage left flange (2.1) through a bearing; the generator (6) is fixed in the cabin system (5) through a flange; and the third-stage sun gear (4.5) is connected with an input shaft of the generator (6) through a coupler.
10. A detachable compact power splitting main drive system according to claim 1, characterized in that: the engine room system (5) comprises an engine room shell (5.1) and a lower shell (5.2), wherein one end of the lower shell (5.2) is communicated with the side wall of the engine room shell (5.1), and a spline flange (5.3) is arranged inside the lower shell.
CN202010619120.5A 2020-07-01 2020-07-01 Detachable compact power division main transmission system Pending CN111810591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010619120.5A CN111810591A (en) 2020-07-01 2020-07-01 Detachable compact power division main transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010619120.5A CN111810591A (en) 2020-07-01 2020-07-01 Detachable compact power division main transmission system

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Publication Number Publication Date
CN111810591A true CN111810591A (en) 2020-10-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117006205A (en) * 2023-10-08 2023-11-07 深圳逐际动力科技有限公司 Actuator, joint module and robot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117006205A (en) * 2023-10-08 2023-11-07 深圳逐际动力科技有限公司 Actuator, joint module and robot
CN117006205B (en) * 2023-10-08 2023-12-08 深圳逐际动力科技有限公司 Actuator, joint module and robot

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