CN112636679B - Tracking transmission system with multipoint supporting transmission shaft - Google Patents

Tracking transmission system with multipoint supporting transmission shaft Download PDF

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Publication number
CN112636679B
CN112636679B CN202011423316.3A CN202011423316A CN112636679B CN 112636679 B CN112636679 B CN 112636679B CN 202011423316 A CN202011423316 A CN 202011423316A CN 112636679 B CN112636679 B CN 112636679B
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CN
China
Prior art keywords
rotary speed
speed reducer
bevel gear
transmission shaft
motor
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Active
Application number
CN202011423316.3A
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Chinese (zh)
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CN112636679A (en
Inventor
蒋礼
郑周燕
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HANGZHOU ZHONGDE TRANSMISSION EQUIPMENT CO Ltd
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Horgos Shiheng Transmission Technology R & D Co ltd
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Application filed by Horgos Shiheng Transmission Technology R & D Co ltd filed Critical Horgos Shiheng Transmission Technology R & D Co ltd
Priority to CN202011423316.3A priority Critical patent/CN112636679B/en
Publication of CN112636679A publication Critical patent/CN112636679A/en
Priority to PCT/CN2021/125982 priority patent/WO2022121536A1/en
Priority to EP21204911.8A priority patent/EP4012922A1/en
Priority to EP21204919.1A priority patent/EP4012923A1/en
Application granted granted Critical
Publication of CN112636679B publication Critical patent/CN112636679B/en
Priority to US18/207,164 priority patent/US20230336113A1/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425Horizontal axis
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/081Structural association with bearings specially adapted for worm gear drives
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10Special components
    • F24S2030/11Driving means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10Special components
    • F24S2030/13Transmissions
    • F24S2030/134Transmissions in the form of gearings or rack-and-pinion transmissions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10Special components
    • F24S2030/15Bearings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gear Transmission (AREA)

Abstract

The invention discloses a tracking transmission system with a multipoint support transmission shaft, which comprises a main beam and at least one rotary speed reducer, wherein one rotary speed reducer is connected with a motor, the rotary speed reducer is in transmission connection through the transmission shaft, the transmission shaft is positioned in the main beam, and a universal corner joint is arranged in the rotary speed reducer. According to the invention, the transmission shaft is positioned in the main beam, so that the transmission shaft is prevented from being influenced by a severe environment, the problems of corrosion, aging and the like of the transmission shaft are avoided, and the service life of the transmission shaft is prolonged; secondly, the condition that the transmission shaft is blocked due to sand wind is reduced, and the failure rate is reduced; and, because the transmission shaft is arranged in the interior, the appearance layout of the whole equipment is more concise and beautiful.

Description

Tracking transmission system with multipoint supporting transmission shaft
Technical Field
The invention belongs to the technical field of solar power generation, and particularly relates to a tracking transmission system with a multipoint support transmission shaft.
Background
The solar photovoltaic power generation has the advantages of rapid rising of the proportion of the solar photovoltaic power generation in the electric power market and considerable market prospect. The tracking power generation system adopted in a large commercial power station increases the power generation capacity of the power station by more than 20% compared with a fixed power generation system, so that the commercial power stations adopting the tracking power generation are more and more in the future.
At present, the regional environment that current solar power plant set up usually is comparatively abominable (like plain, desert), and sand blown by the wind, corrosive gas, rainwater etc. all can lead to the transmission shaft life-span to subtract short, influence the result of use of its transmission shaft.
Disclosure of Invention
The present invention overcomes the deficiencies of the prior art by providing a tracking drive system having a drive shaft supported at multiple points.
The single-girder multipoint-driving solar tracking power generation system aims to solve the problems that a flat single shaft in a solar tracking system easily generates low-frequency resonance, and torque tube girders at two ends of each girder are easily subjected to torsional deformation.
A single-girder multipoint driving solar tracking system comprises a girder and at least one rotary speed reducer, wherein one rotary speed reducer is connected with a motor, the motor is controlled by a motor controller, and the motor controller is connected with the motor through a cable; the rotary speed reducer connected with the motor is a driving rotary speed reducer, other rotary speed reducers are driven rotary speed reducers, the torque of the driving rotary speed reducer is transmitted to the driven rotary speed reducer through a transmission shaft, and the driving rotary speed reducer and the driven rotary speed reducer synchronously rotate to further drive the main beam to rotate.
In the tracking power generation system, the solar cell panel is fixed on a main beam, and the main beam rotates to drive the solar cell panel to adjust the angle, so that the solar cell panel tracks the solar energy. Usually, two stand spans are more than 7 ~ 8 meters basically, and consequently, the torque transmission shaft span between initiative gyration speed reducer and the driven gyration speed reducer is big, the condition of dead weight flagging appears easily, leads to moment of torsion transmission lag and the phenomenon of crawling to appear.
In a solar tracking system, the stability of the transmission shaft is the basis for the stability of the whole tracking system. In a first aspect of the invention, it is an object to provide a solar tracking system with stable torque transmission.
Optionally, the rotary speed reducer, the transmission shaft and the main beam are arranged in a synchronous and homodromous rotation mode.
Optionally, the rotary speed reducer is a worm gear rotary speed reducer, a worm gear of the rotary speed reducer is fixedly arranged on the upright post, a shell of the rotary speed reducer is fixedly connected with the main beam, and the worm gear is in running fit with the shell; when the motor is started, the worm rotates and revolves around the worm wheel to drive the rotary speed reducer and the main beam to rotate.
Optionally, a plurality of connecting pieces are distributed on the transmission shaft at intervals along the length direction, and the connecting pieces are connected with the main beam.
Optionally, one end of the connecting piece is sleeved on the transmission shaft, the other end of the connecting piece is sleeved on the main beam, a bearing is arranged at the position of the transmission shaft and the joint, and a frame body buckling piece is arranged at the position of the main beam and the joint.
Optionally, a connecting plate is arranged on the upright post, and a connecting part connected with the connecting plate is arranged on the worm wheel.
Optionally, a first connecting column and a second connecting column are arranged on the shell, the main beam on the left side of the rotary speed reducer is connected with the first connecting column, and the main beam on the right side of the rotary speed reducer is connected with the second connecting column; the second connecting column and the shell are of an integrated structure, and the first connecting column and the second connecting column are detachably connected.
Optionally, a rolling bearing assembly and a sliding bearing assembly are arranged between the worm wheel and the first connecting column, the rolling bearing assembly includes an inner ring, an outer ring and a plurality of balls arranged between the inner ring and the outer ring, the inner ring is formed on the first connecting column, and the outer ring is formed on the worm wheel.
Optionally, the sliding bearing assembly includes a first sliding portion and a second sliding portion, the first sliding portion is formed on the second connecting column, and the second sliding portion is formed on the worm wheel.
Optionally, an incomplete convex ring is arranged on the circumferential direction of the worm wheel, and a convex angle matched with the incomplete convex ring is arranged on the shell.
Optionally, a first bevel gear and a transmission gear are sleeved outside one end of the worm, a first gear meshed with the transmission gear is arranged at the output end of the motor, a second bevel gear is sleeved outside the transmission shaft, and the first bevel gear is meshed with the second bevel gear.
The area environment that solar power station set up usually is comparatively abominable (like plain, desert), and sand blown by the wind, corrosive gas, rainwater etc. all can lead to the transmission shaft life-span to shorten, influence the result of use of its transmission shaft. In a second aspect, the present invention aims to provide a multi-point drive tracking transmission system which can improve the service life of a transmission shaft.
Optionally, the transmission shaft is located in the main beam.
Optionally, a plurality of bevel gear sets are arranged in the rotary speed reducer, and the transmission shaft is in transmission fit with the input end or the output end of the rotary speed reducer through the plurality of bevel gear sets.
Optionally, a bevel gear group and a universal corner joint are arranged in the rotary speed reducer, and the transmission shaft is in transmission fit with the input end or the output end of the rotary speed reducer through the bevel gear group and the universal joint.
Optionally, a first bevel gear group, a second bevel gear group and a third bevel gear group are arranged in the rotary speed reducer, a fourth bevel gear is sleeved outside the transmission shaft, one end of the first bevel gear group is meshed with the input end or the output end of the rotary speed reducer, one end of the third gear group is meshed with the fourth bevel gear, and two ends of the second bevel gear group are respectively meshed with the other ends of the first bevel gear group and the third bevel gear group.
Optionally, a first bevel gear group and a second bevel gear group are arranged in the rotary speed reducer, a fourth bevel gear is sleeved outside the transmission shaft, the first bevel gear group is meshed with the fourth bevel gear, one end of the second bevel gear group is meshed with the input end or the output end of the rotary speed reducer, the other end of the second bevel gear group is meshed with the first bevel gear group, and the universal joint is arranged on the second bevel gear group.
Optionally, the rotary speed reducer is a worm gear rotary speed reducer, a first connecting column and a second connecting column are integrally formed on a worm gear of the rotary speed reducer, a girder on the left side of the rotary speed reducer is connected with the first connecting column, and a girder on the right side of the rotary speed reducer is connected with the second connecting column.
Optionally, the first connecting column and the second connecting column are both arranged in a rectangular shape.
Optionally, a first limiting portion is arranged on a shell of the rotary speed reducer, and a second limiting portion matched with the first limiting portion is arranged on the circumferential direction of the worm wheel.
In the solar tracking system, a motor is connected with a motor controller through a cable, and the stability of the cable is the basis for the stability and reliability of the whole tracking system. In a third aspect of the invention, the invention aims to provide a solar tracking system with a motor and a motor controller connected stably.
Optionally, a mounting position for placing a motor is arranged on the lower portion of the shell of the rotary speed reducer, and the motor controller are in a relatively static state.
Optionally, the motor controller is arranged on the main beam.
Optionally, the motor controller is arranged on the upright post.
Optionally, the rotary speed reducer is a worm gear rotary speed reducer, and the motor is arranged in parallel with the worm.
Optionally, the output end of the motor is provided with a first gear, the worm is provided with a transmission gear, the shell is provided with a transmission gear, and the transmission gear is respectively engaged with the first gear and the transmission gear.
Optionally, a support lug is arranged outside the motor casing, and a support part connected with the support lug is arranged on the casing.
In a tracking power generation system, a motor is the key for driving a rotary speed reducer, and the rotary speed reducer drives a main beam to rotate.
Optionally, the lower part of the shell of the rotary speed reducer is provided with an installation position for placing a power supply.
Optionally, the motor is located at the lower part of the housing of the rotary speed reducer, the motor and the housing of the rotary speed reducer are located on the same vertical plane, and the motor and the worm of the rotary speed reducer are arranged in parallel.
Optionally, the motor is located at the lower part of the housing of the rotary speed reducer, the motor and the housing of the rotary speed reducer are located on the same vertical plane, and the motor and the worm of the rotary speed reducer are arranged vertically.
Optionally, the motor is located on the left side of the lower portion of the shell of the rotary speed reducer, and the motor and the worm of the rotary speed reducer are arranged vertically.
Optionally, the motor is located on the right side of the lower portion of the shell of the rotary speed reducer, and the motor and the worm of the rotary speed reducer are arranged vertically.
Optionally, the output end of the motor is connected with the worm through gear transmission.
In a solar tracking system, a rotary speed reducer is a core device for driving a main beam to rotate.
Optionally, a first limiting portion is arranged on a shell of the rotary speed reducer, and a second limiting portion matched with the first limiting portion is arranged on the circumferential direction of the worm wheel.
Optionally, the first limiting portion is a convex angle fixedly connected in the housing, and the second limiting portion is a convex ring fixedly connected in the circumferential direction of the worm wheel.
Optionally, the lower part of the shell of the rotary speed reducer is provided with an installation position for placing a power supply.
Optionally, the rotary speed reducer is a worm gear rotary speed reducer, a worm gear of the rotary speed reducer is fixedly arranged on the upright post, a shell of the rotary speed reducer is fixedly connected with the main beam, and the worm gear is in running fit with the shell; when the motor is started, the worm rotates and revolves around the worm wheel to drive the rotary speed reducer and the main beam to rotate.
Optionally, a first connecting column and a second connecting column are arranged on the shell, the main beam on the left side of the rotary speed reducer is connected with the first connecting column, and the main beam on the right side of the rotary speed reducer is connected with the second connecting column; the second connecting column and the shell are of an integral structure, and the first connecting column and the second connecting column are detachably connected.
Optionally, a rolling bearing assembly and a sliding bearing assembly are arranged between the worm wheel and the first connecting column, the rolling bearing assembly includes an inner ring, an outer ring and a plurality of balls arranged between the inner ring and the outer ring, the inner ring is formed on the first connecting column, and the outer ring is formed on the worm wheel.
Optionally, the sliding bearing assembly includes a first sliding portion and a second sliding portion, the first sliding portion is formed on the second connecting column, and the second sliding portion is formed on the worm wheel.
Optionally, a bevel gear group and a universal joint are arranged in the rotary speed reducer, and the transmission shaft is in transmission fit with the input end or the output end of the rotary speed reducer through the bevel gear group and the universal joint.
Optionally, a first bevel gear group, a second bevel gear group and a third bevel gear group are arranged in the rotary speed reducer, a fourth bevel gear is sleeved outside the transmission shaft, one end of the first bevel gear group is meshed with the input end or the output end of the rotary speed reducer, one end of the third gear group is meshed with the fourth bevel gear, and two ends of the second bevel gear group are respectively meshed with the other ends of the first bevel gear group and the third bevel gear group.
Optionally, a first bevel gear group and a second bevel gear group are arranged in the rotary speed reducer, a fourth bevel gear is sleeved outside the transmission shaft, the first bevel gear group is meshed with the fourth bevel gear, one end of the second bevel gear group is meshed with the input end or the output end of the rotary speed reducer, the other end of the second bevel gear group is meshed with the first bevel gear group, and the universal joint is arranged on the second bevel gear group.
Optionally, the rotary speed reducer is a worm gear rotary speed reducer, a first connecting column and a second connecting column are integrally formed on a worm gear of the rotary speed reducer, a main beam on the left side of the rotary speed reducer is connected with the first connecting column, and a main beam on the right side of the rotary speed reducer is connected with the second connecting column.
The aspects of the five aspects of the invention may be implemented as separate aspects or in combination with each other. The structure in the aspect of any one of the aspects of the present invention may be used as an independent technical aspect or may be combined with other technical aspects.
In summary, the invention has the advantages that:
1. the transmission shaft and the main beam synchronously move in the same direction, so that the transmission shaft can be supported through the main beam, the transmission shaft is not easy to twist or break, the service life is long, in addition, the diameter of the transmission shaft does not need to be excessively large, and the equipment investment cost is low; and because transmission shaft, motor, girder all rotate in step, and then in the girder in-process of turnning, the condition of collision transmission shaft can not appear in the photovoltaic board, and the adjustable angle of girder is bigger, and the flexibility ratio is higher, and equipment life obtains the extension.
2. The second connecting column and the shell are integrally arranged, so that the processing is more convenient, the sufficient strength and rigidity are ensured, and the safety is ensured; secondly first spliced pole and second spliced pole are the components of a whole that can function independently setting for it is more convenient when assembling first spliced pole and second spliced pole, and can change alone when damaging, and cost of maintenance is low, and the components of a whole that can function independently structure can be with the structure of spliced pole do more firm man-hour, increase of service life, connect with the mode of dismantling, convenient assembly and maintenance.
3. The transmission shaft is positioned in the main beam, so that the transmission shaft is prevented from being influenced by a severe environment, the problems of corrosion, aging and the like of the transmission shaft are avoided, and the service life of the transmission shaft is prolonged; secondly, the condition that the transmission shaft is blocked due to sand wind is reduced, and the failure rate is reduced; and, because the transmission shaft is arranged in the interior, the appearance layout of the whole equipment is more concise and beautiful.
4. Through the setting of universal joint, guaranteed that the driving chain realizes the corner function, with power transmission more stable.
5. Through the setting of motor and motor controller for relative quiescent condition, make the girder turn the in-process, the condition that the cable between motor and the motor controller can not appear being dragged, the condition that the cable broke or the interface pine takes off can not appear, and equipment fault rate is low, and the security is high, and the cable can not the phenomenon production of the condition such as threading knotting wire winding yet, has guaranteed that the outward appearance of whole equipment is pleasing to the eye.
6. Through the arrangement of the structures of the first limiting part and the second limiting part, the stability of the rotary speed reducer during rotation is ensured to be higher, and secondly, the high safety protection capability is ensured to be still provided under the condition that the external travel switch fails.
Drawings
Fig. 1 is a schematic structural view of a drive shaft of the present invention.
Fig. 2 is an exploded view of the drive shaft of the present invention.
Fig. 3 is a schematic structural view of a rotary speed reducer with a transmission shaft arranged therein according to the present invention.
Fig. 4 is a schematic diagram of an explosion structure of a rotary speed reducer with a transmission shaft arranged inside.
Fig. 5 is a schematic view of a partial cross-sectional structure of a rotary speed reducer with a transmission shaft disposed therein according to the present invention.
Fig. 6 is an enlarged view of the structure at D in fig. 5.
Fig. 7 is a schematic view of a partial cross-sectional structure of a rotary speed reducer with a transmission shaft of the present invention.
Fig. 8 is an enlarged view of the structure at E in fig. 7.
Fig. 9 is a schematic view of a worm wheel structure with a transmission shaft arranged inside.
Fig. 10 is a schematic view of a partial cross-sectional structure of a rotary speed reducer with a transmission shaft of the present invention.
Fig. 11 is an enlarged view of the structure at F in fig. 10.
Fig. 12 is a schematic structural view of a rotary reduction gear according to a second embodiment of the present invention in which a drive shaft is provided.
Fig. 13 is a schematic view of a partial sectional structure of a rotary reduction gear according to a second embodiment of the present invention including a drive shaft.
Fig. 14 is a schematic structural view of the transmission shaft of the present invention disposed outside.
Fig. 15 is an exploded view of the drive shaft of the present invention disposed outside.
Fig. 16 is a schematic structural view of a rotary speed reducer with a drive shaft arranged outside according to the present invention.
Fig. 17 is an explosion structure schematic diagram of a rotary speed reducer with an external transmission shaft according to the invention.
Fig. 18 is a partial sectional view of a first rotary reduction gear with a drive shaft disposed outside.
Fig. 19 is an enlarged view of a structure shown in fig. 18.
Fig. 20 is a schematic view of a partial structure of the transmission shaft of the present invention arranged outside.
Fig. 21 is a partial sectional perspective view of the transmission shaft of the present invention disposed outside.
Fig. 22 is an enlarged view of the structure at B in fig. 21.
Fig. 23 is a three-dimensional partial sectional view of the drive shaft of the present invention.
Fig. 24 is an enlarged view of the structure at C in fig. 23.
Fig. 25 is a schematic view of a second partial structure of the transmission shaft of the present invention disposed outside.
Fig. 26 is a schematic view of a connecting member with a drive shaft disposed outside according to the present invention.
Fig. 27 is a schematic view of a worm wheel structure with a drive shaft arranged outside according to the present invention.
Fig. 28 is a structural diagram illustrating a second mounting mode in which the motor of the present invention is disposed on the left side of the casing of the rotary reduction gear.
Fig. 29 is a first structural view of a third installation mode of the motor and the worm of the invention, wherein the motor and the worm are in the same plane and are vertically arranged.
Fig. 30 is a second structural view of a third installation mode of the motor and the worm of the present invention, wherein the motor and the worm are in the same plane and are vertically arranged.
Fig. 31 is a schematic structural view of a fourth installation mode of the motor of the present invention installed on the right side of the casing of the rotary reduction gear.
Detailed Description
As shown in fig. 1-3, in some embodiments, a tracking transmission system with a multi-point supporting transmission shaft includes a main beam 19a and at least one rotary speed reducer 1a, the number of the rotary speed reducers 1a can be self-arranged according to specific situations, and can be 1 or more than 1, and the internal structures of the rotary speed reducers 1a are completely the same; one of the rotary speed reducers is connected with a motor 3a, the motor 3a is controlled by a motor controller, and the motor controller is connected with the motor 3a through a cable; the rotary speed reducer 1a connected with the motor 3a is a driving rotary speed reducer, the other rotary speed reducers 1a are driven rotary speed reducers, the torque of the driving rotary speed reducer is transmitted to the driven rotary speed reducer through the transmission shaft 10a, and the driving rotary speed reducer and the driven rotary speed reducer synchronously rotate to further drive the main beam 12a to rotate.
In some embodiments, the drive shaft 10a is located within the main beam 12a, as shown in fig. 1. Inside being located girder 12a through transmission shaft 10a, reducing transmission shaft 10a and exposing for a long time and leading to transmission shaft 10a to take place corrosivity for transmission shaft 10a life-span obtains better promotion, and secondly, owing to locate inside, makes the outward appearance overall arrangement of whole equipment more succinct and pleasing to the eye.
As shown in fig. 3 and 7-8, in some embodiments, a plurality of bevel gear sets are disposed in the rotary speed reducer 1a, and the transmission shaft 10a is in transmission fit with an input end or an output end of the rotary speed reducer 1a through the plurality of bevel gear sets.
As shown in fig. 7-8, in some embodiments, a first bevel gear set 43, a second bevel gear set 44 and a third bevel gear set 45 are provided in the rotary speed reducer 1a, a fourth bevel gear 46 is sleeved outside the cylinder 100a of the transmission shaft 10a, one end of the first bevel gear set 43 is engaged with the input end or the output end of the rotary speed reducer 1a, one end of the third bevel gear set 45 is engaged with the fourth bevel gear 46, and two ends of the second bevel gear set 44 are engaged with the other ends of the first bevel gear set 43 and the third bevel gear set 45, respectively. Specifically, the first bevel gear group 43 is composed of 2 first bevel gears 430 and first transmission rods 431, the first bevel gears 430 are provided, and the first transmission rods 431 are used for connecting a pair of first bevel gears 430; the second bevel gear set 44 is composed of a pair of second bevel gears 440 and a second transmission rod 441, the second bevel gears 440 are arranged in 2 number, and the second transmission rod 441 is used for connecting the pair of second bevel gears 440; the third bevel gear set 45 is composed of a pair of third bevel gears 450 and a third transmission rod 451, the number of the third bevel gears 450 is 2, and the third transmission rod 451 is used for connecting the pair of third bevel gears 450; optionally, the input end or the output end of the rotary speed reducer 1a is composed of a pair of fifth bevel gears 48 sleeved outside one end of the worm 15a, a sixth bevel gear 49 engaged with one of the fifth bevel gears 48, and a seventh bevel gear 490 engaged with the sixth bevel gear 49, the seventh bevel gear 490 is connected with the input end of the motor 3a, and the fifth bevel gear 48 is engaged with one of the first bevel gears 430; specifically, first transfer line 431, all be equipped with the inside continuous with the shell of slewing reducer of third bearing 4510 on second transfer line 441 and the third transfer line 451, it is optional, the outside cover of third bearing 4510 of third transfer line 451 is equipped with the connecting seat 600 that links to each other with transmission shaft 10a, the outside support that extends in this connecting seat 600 both ends, be equipped with the through-hole on the support, inside the through-hole was worn to locate by transmission shaft 10a, setting through connecting seat 600, can carry out stable support to transmission shaft 10a, guarantee that transmission shaft 10a can be stable carry out the rotation.
Optionally, as shown in fig. 12 to 13, in other embodiments, the rotary speed reducer 1a is internally provided with a first bevel gear set 43 and a second bevel gear set 44, the transmission shaft 10a is externally sleeved with a fourth bevel gear 46, the first bevel gear set 43 is engaged with the fourth bevel gear 46, one end of the second bevel gear set 44 is engaged with the input end or the output end of the rotary speed reducer 1a, and the other end is engaged with the first bevel gear set 43; specifically, the first bevel gear group 43 is composed of a pair of first bevel gears 430 and first transmission rods 431, the first bevel gears 430 are arranged in 2, and the first transmission rods 431 are used for connecting the pair of first bevel gears 430; the second bevel gear set 44 is composed of a pair of second bevel gears 440 and a second transmission rod 441, the number of the second bevel gears 440 is 2, the second transmission rod 441 is used for connecting the pair of second bevel gears 440, and the universal joint 42 is arranged on the second bevel gear set 44. Optionally, the input end or the output end of the rotary speed reducer 1a is composed of a pair of fifth bevel gears 48 sleeved outside one end of the worm 15a and a sixth bevel gear 49 engaged with one of the fifth bevel gears 48, the sixth bevel gear 49 is connected with the input end of the motor 3a, the other fifth bevel gear 48 is engaged with one of the second bevel gears 440, specifically, the first transmission rod 431 and the second transmission rod 441 are both provided with third bearings and connected with the inside of the housing, optionally, the outside of the third bearing of the second transmission rod 441 is sleeved with a connecting seat 600 connected with the transmission shaft 10a, two ends of the connecting seat 600 are provided with outwards extending support seats, through holes are arranged on the support seats, the transmission shaft 10a penetrates through the through holes, and through the arrangement of the connecting seat 600, the transmission shaft 10a can be stably supported, so that the transmission shaft 10a can stably rotate.
As shown in fig. 3, 7, and 10-11, in some embodiments, the rotary speed reducer 1a is a worm wheel 14a, a first connecting column 130a and a second connecting column 131a are integrally formed on the worm wheel 14a of the rotary speed reducer 1a, the main beam 12a on the left side of the rotary speed reducer 1a is connected to the first connecting column 130a, and the main beam 12a on the right side of the rotary speed reducer 1a is connected to the second connecting column 131 a. Through the integral arrangement, the processing is more convenient, the enough strength and rigidity are ensured, the safety is ensured, in particular, the worm wheel 14a and the shell, and the joints of the worm wheel 14a and the transmission shaft 10a are all provided with the sealing rings 16a, the sealing ring 16a may be made of a material having good weather resistance, such as rubber, steel plate, etc., and by using a material having good weather resistance, can shield the direct incidence of sunlight to the sealing ring 16a, delay the aging of the sealing element and prolong the service life of the sealing ring 16a, the sealing ring 16a is arranged in a U shape, a circle of convex ribs 17a are arranged on the sealing ring 16a, by the arrangement of the sealing ring 16a, the dust in the outside can be prevented from entering the interior, a certain dustproof effect is achieved, secondly, when the sealing ring 16a is inserted between the shell and the worm wheel 14a, the sealing ring 16a and the worm wheel 14a are fixed through the convex rib 17a, and the stability of the worm wheel 14a during rotation is ensured; optionally, the two sides of the housing are provided with self-lubricating bearings which are matched with the worm wheel 14a, the self-lubricating bearings can be connected with the housing through an end cover, the end cover and the two sides of the housing are connected in a bolt and nut mode, the self-lubricating bearings can rotate in the self-lubricating bearings through the outer diameter of the worm wheel 14a and are matched with the outer diameter of each self-lubricating bearing, the radial load can be extremely large, meanwhile, a certain axial load can be borne on the turned edges of the bearings, and when one bearing serves as a fulcrum and generates torque with the other bearing, the two bearings can bear a certain overturning load in a matched mode.
As shown in fig. 1-2 and 5, in some embodiments, the transmission shaft 10 is located outside the main beam 12, the rotary speed reducer 1 and the transmission shaft 10 are synchronously and co-rotatably arranged with the main beam 12, the transmission shaft synchronously rotates along with the main beam in the same direction in the rotating process of the main beam and the rotary speed reducer, so that the main beam cannot be contacted with the transmission shaft to cause the phenomenon of clamping and incapability of rotating in the rotating process, secondly, the main beam and the transmission shaft can drive the connected lines to rotate together in the process of rotating together, therefore, the circuit does not need to be arranged very long, the simplification of the circuit is ensured, the knotting and winding of the circuit can not happen in the rotating process, and finally, because the transmission shaft and the main beam are arranged in a synchronous and equidirectional rotation manner, the bearing capacity of the transmission shaft is ensured to be improved, and the service life of the transmission shaft is prolonged.
As shown in fig. 15-17 and 27, in some embodiments, the rotary speed reducer 1 is a worm gear rotary speed reducer, a worm gear 14 of the rotary speed reducer is fixedly disposed on the upright column 19, a housing of the rotary speed reducer 1 of the rotary speed reducer is fixedly connected with the main beam 12, and the worm gear 14 and the housing of the rotary speed reducer 1 are in a rotating fit; when the motor 3 is started, the worm 15 revolves around the worm wheel 14 while rotating, so as to drive the rotary speed reducer and the main beam 12 to rotate, the above mentioned upright column 19 and the main beam 12 are prior art, the bottom of the upright column 19 is in contact with the ground, and the main beam 12 can drive the photovoltaic panel to rotate together, which is not described herein again. The sealing ring 16 is arranged at the joint of the worm wheel 14 and the shell of the rotary speed reducer 1, the sealing ring 16 can be made of materials with better weather resistance, such as rubber, steel plates and the like, the sealing ring 16 can shield direct irradiation of sunlight to the sealing ring 16 by adopting the materials with good weather resistance, aging of a sealing piece is delayed, the service life of the sealing piece is prolonged, the sealing ring 16 is arranged in a U shape, a circle of convex ribs 17 are arranged on the sealing ring 16, external dust can be prevented from entering the sealing ring 16 by arranging the sealing ring 16, a certain dustproof effect is achieved, and when the sealing ring 16 is inserted between the shell of the rotary speed reducer 1 and the worm wheel 14, the sealing ring 16 and the worm wheel 14 are fixed through the convex ribs 17, so that the stability of the worm wheel 14 during rotation is ensured; optionally, a cover plate 18 is arranged on the housing of the rotary speed reducer 1, the cover plate 18 can be fixed to the housing of the rotary speed reducer 1 by adopting the shape of bolts and nuts, the cover plate 18 keeps the housing of the rotary speed reducer 1 in a closed state, and the cover plate 18 is arranged to prevent external dust from entering the housing of the rotary speed reducer 1 and affecting the stability of the internal mechanical structure; a worm wheel 14 of the rotary speed reducer is fixedly arranged on the upright column 19, a shell of the rotary speed reducer 1 of the rotary speed reducer is fixedly connected with the main beam 12, and the worm wheel 14 is in running fit with the shell of the rotary speed reducer 1; when the motor 3 is started, the worm 15 revolves around the worm wheel 14 while rotating, so as to drive the rotary speed reducer and the main beam 12 to rotate, the above mentioned upright column 19 and the main beam 12 are prior art, the bottom of the upright column 19 is in contact with the ground, and the main beam 12 can drive the photovoltaic panel to rotate together, which is not described herein again.
As shown in fig. 20, in some embodiments, the transmission shaft 10 is composed of a cylinder 100 and 2 rhombic columns 101, the rhombic columns 101 are arranged in a 6-sided shape, two ends of the cylinder 100 are respectively inserted into the 2 rhombic columns 101, and a second bearing 11 matched with the rotary speed reducer 1 is sleeved outside the transmission shaft 10.
As shown in fig. 15 and 26, in some embodiments, a plurality of connectors 20 are spaced apart from each other along the length direction of the transmission shaft 10, the connectors 20 are connected to the main beam 12, and in particular, a buckle 21 is provided at one end of the connector 20 connected to the main beam 12, and the buckle 21 is fastened to the main beam 12.
As shown in fig. 15 and 26, in some embodiments, one end of the connecting member 20 is sleeved on the transmission shaft 10, the other end is sleeved on the main beam 12, the first bearing 22 is disposed at the connection position of the transmission shaft 10, the frame 23 is disposed at the connection position of the main beam 12, the buckle 21 is buckled outside the frame 23, specifically, the frame 23 is sleeved outside the main beam 12, and a pair of corners extending outward are disposed on the frame 23, and can be fixed by a bolt and a nut, so that the frame 23 is connected with the main beam 12 more firmly; secondly, through the setting of buckle 21 for connecting piece 20 and framework 23 realize detachable function, when the connecting piece 20 part takes place to damage, can directly change connecting piece 20 can, more convenient and fast, and finally, the fixed effect between girder 12 and the transmission shaft 10 can be consolidated in the setting of connecting piece 20, has guaranteed that synchronous syntropy transmission efficiency is higher.
As shown in fig. 25, in some embodiments, the upright 19 is provided with a connecting plate 24, the worm wheel 14 is provided with a connecting portion 25 connected with the connecting plate 24, the connecting plate 24 and the connecting portion 25 can be fixed in a bolt and nut manner, and can be replaced independently when damaged, and the maintenance cost is low.
As shown in fig. 18 and 23, in some embodiments, a first connecting column 130 and a second connecting column 131 are provided on the housing of the rotary speed reducer 1, the main beam 12 on the left side of the rotary speed reducer is connected to the first connecting column 130, and the main beam 12 on the right side of the rotary speed reducer is connected to the second connecting column 131; the second connecting column 131 and the shell of the rotary speed reducer 1 are of an integral structure, and the first connecting column 130 and the second connecting column 131 are detachably connected. The second connecting column 131 and the shell of the rotary speed reducer 1 are integrally arranged, so that the machining is more convenient, sufficient strength and rigidity are ensured, and the safety is ensured; secondly first spliced pole 130 and second spliced pole 131 set up for the components of a whole that can function independently for it is more convenient when assembling first spliced pole 130 and second spliced pole 131, and can change alone when damaging, and cost of maintenance is low, and the components of a whole that can function independently structure can be more firm with the structure of spliced pole is done man-hour, increase of service life, connect with the mode of dismantling, convenient assembly and maintenance.
As shown in fig. 18 to 19, in some embodiments, a rolling bearing assembly 26 and a sliding bearing assembly 27 are disposed between the worm wheel 14 and the first connecting column 130, the rolling bearing assembly 26 includes an inner ring 260, an outer ring 261 and a plurality of balls 262 disposed between the inner ring 260 and the outer ring 261, the inner ring 260 is formed on the first connecting column 130, the outer ring 261 is formed on the worm wheel 14, and in particular, a sealing strip 263 is disposed on the outer ring 261 in the circumferential direction, the sealing strip 263 can block dust from entering the inside of the balls 262, so that stability of the balls 262 during rolling is ensured, and power transmission is smoother.
As shown in fig. 20, in some embodiments, the first connecting column 130 and the second connecting column 131 are identical in shape and each of them is composed of four straight sides and four circular arcs, specifically, four circular arcs in a rectangular shape are disposed at four corners of the four straight sides, so that the four corners are convex outward.
As shown in fig. 18-19, in some embodiments, the sliding bearing assembly 27 includes a first sliding portion 270 and a second sliding portion 271, the first sliding portion 270 is formed on the second connecting post 131, and the second sliding portion 271 is formed on the worm wheel 14.
As shown in fig. 18 to 19, in some embodiments, a first bevel gear 30 and a transmission gear 301 are sleeved outside one end of the worm 15, a first gear 31 is disposed at an input end of the motor 3, a transmission gear 32 is disposed on the housing, the first gear 31 is engaged with the transmission gear 301 through the transmission gear 32, specifically, the first gear 31 and the transmission gear 32 are configured in the same shape and size, the area of the first gear 31 is smaller than that of the first bevel gear 30, a second bevel gear 33 is sleeved outside the cylinder 100 outside the transmission shaft 10, and the second bevel gear 33 is engaged with the first bevel gear 30. When the motor 3 is started, the motor 3 drives the first gear 31 to rotate, the first gear 31 is meshed with the transmission gear 32, the transmission gear 32 rotates and is meshed with the transmission gear 301, the transmission gear 301 rotates and drives the worm 15 to rotate, the worm 15 rotates and drives the first bevel gear 30 to rotate, the first bevel gear 30 rotates and is meshed with the second bevel gear 33, and the second bevel gear 33 drives the transmission shaft 10 to rotate.
As shown in fig. 20, in some embodiments, the lower portion of the housing of the rotary speed reducer 1 is provided with a mounting location 34 for placing the motor 3, the motor 3 is controlled by a motor controller, the motor controller is connected with the motor 3 by a cable, the motor 3 and the motor controller are in a relative stationary state, the relative stationary state is a state in which an object keeps a constant position with respect to another reference object around the object, and the relative movement and the relative stationary state can only be performed, and the movement and the stationary state are opposite.
As shown in fig. 1-2, in some embodiments, the motor controller is provided on the column 19 a.
Preferably, as shown in fig. 14-15, in some embodiments, the motor controller is provided on the main beam 12.
Preferably, as shown in fig. 29 to 30, in some embodiments, the motor 3b is located at the lower portion of the housing of the rotary speed reducer 1b, the motor 3b and the housing of the rotary speed reducer 1b are located on the same vertical plane, the motor 3b and the worm of the rotary speed reducer 1b are vertically arranged, the output end of the motor is connected with the worm through a gear transmission, the gear transmission is the prior art, and is implemented by adopting mutual engagement between gears, so as to transmit power to the worm, and the space occupancy rate is reduced by parallel arrangement on the same horizontal plane, so that the whole rotary speed reducer is more beautiful.
Preferably, as shown in fig. 28, in some embodiments, the motor 3c is located on the left side of the lower portion of the housing of the rotary speed reducer 1c, the left side is arranged relative to the rotary speed reducer, the motor 3c is arranged perpendicular to the worm of the rotary speed reducer 1c, the output end of the motor is connected with the worm through a gear transmission, the gear transmission is the prior art, the gear transmission is mutual meshing between gears, so as to transmit power to the worm, and through the left side and perpendicular arrangement, multi-layer transmission between the gears is ensured, so that the transmission force is more stable.
Preferably, as shown in fig. 31, in some embodiments, the motor 3d is located on the right side of the lower portion of the housing of the rotary speed reducer 1d, the right side is arranged relative to the rotary speed reducer, the motor 3d is arranged perpendicular to the worm of the rotary speed reducer 1d, the output end of the motor is connected with the worm through a gear transmission, the gear transmission is the prior art, and is the mutual engagement between the gear and the gear, so as to transmit power to the worm, and through the left side and perpendicular arrangement, the multi-layer transmission between the gear and the gear is ensured, so that the transmission force is more stable.
As shown in fig. 15-17, in some embodiments, the motor controller and the housing of the rotary reducer 1a are both located on the main beam. Install on the girder through machine controller for the girder drives machine controller and shell and rotates, the shell rotates and has driven motor 3a simultaneously and rotate, when having guaranteed synchronous syntropy rotation, also can drive the circuit of connecting and rotate together, therefore the circuit need not to set up very long, guarantee that the circuit is simplified can, the pivoted in-process, the wire-wound condition of consequently also can not appearing knoing of circuit produces, the setting of short-cut between the circuit, also make equipment also more pleasing to the eye in whole outward appearance simultaneously.
As shown in fig. 2 and 8, optionally, the motor 3a controller and the casing of the rotary speed reducer 1a are both located on the upright 19 a. Install on stand 19a through shell and motor 3a controller for the circuit of motor 3a and motor 3a controller does not need the overlength, and consequently the circuit need not to set up very long, guarantee the circuit simplification can, the pivoted in-process, the wire winding's that consequently can not appear knoing the condition production also can not appear in the circuit, and the setting of shortening between the circuit also makes equipment also more pleasing to the eye in whole outward appearance simultaneously.
As shown in fig. 17, in some embodiments, the motor 3a is arranged in parallel with the worm 15 a.
As shown in fig. 4, in some embodiments, the housing of the motor 3 is provided with a support lug 35, the housing of the slewing reducer is provided with a support portion 36 connected to the support lug 35, and the support lug 35 and the support portion 36 can be fixed in a bolt and nut manner, so that the motor 3 is stably arranged on the housing of the slewing reducer 1.
As shown in fig. 19 to 20, in some embodiments, a first position-limiting portion 141a is disposed on the outer shell of the rotary speed reducer 1a, and a second position-limiting portion 140a matched with the first position-limiting portion 141a is disposed on the circumferential direction of the worm wheel 14 a. Through the arrangement of the first limiting part 141a and the second limiting part 140a, the stability of the rotary speed reducer 1a during rotation is ensured to be higher, and secondly, the high safety protection capability is ensured under the condition that an external travel switch fails.
As shown in fig. 19 to 20, in some embodiments, the first limiting portion 141a is at least two convex corners fixed to the top inside the housing of the rotary speed reducer 1a, and the second limiting portion 140a is a convex ring fixed to the circumference of the worm wheel 14 a.
In some embodiments, as shown in fig. 19-20, the collars occupy half of the circumference of the worm gear 14a, i.e., half a turn, and when the worm gear 14a rotates, the collars also rotate, and one of the lobes interferes with the incomplete collar to limit the rotation of the worm gear 14 a. Specifically, a plurality of cover plates 76 are arranged on the housing of the rotary speed reducer 1a, the cover plates 76 can be connected with the housing of the rotary speed reducer 1a in a bolt and nut manner, and through the arrangement of the cover plates 76, the housing of the rotary speed reducer 1a has a relative sealing performance, so that external dust is not easy to enter the housing of the rotary speed reducer 1a, and the stability of mechanical operation inside the housing of the rotary speed reducer 1a is ensured.
Preferably, as shown in fig. 21, in some embodiments, a first limiting portion 141 is disposed on the outer shell of the rotary speed reducer 1, and a second limiting portion 140, which is matched with the first limiting portion 141, is disposed on the circumferential direction of the worm wheel 14.
Any embodiment of the invention can be taken as an independent technical scheme, and can also be combined with other embodiments.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (3)

1. A tracking transmission system with a multipoint support transmission shaft comprises a main beam (12 a) and at least one rotary speed reducer (1 a), wherein one rotary speed reducer (1 a) is connected with a motor (3 a), the motor (3 a) is controlled by a motor controller, and the motor controller is connected with the motor (3 a) through a cable; the method is characterized in that: the rotary speed reducer (1 a) connected with the motor (3 a) is a driving rotary speed reducer, other rotary speed reducers (1 a) are driven rotary speed reducers, the torque of the driving rotary speed reducer is transmitted to the driven rotary speed reducer (1 a) through a transmission shaft (10 a), the driving rotary speed reducer (1 a) and the driven rotary speed reducer (1 a) synchronously rotate, and then the main beam (12 a) is driven to rotate; the transmission shaft (10 a) is positioned in the main beam (12 a);
a plurality of bevel gear groups are arranged in the rotary speed reducer (1 a), and the transmission shaft (10 a) is in transmission fit with the input end or the output end of the rotary speed reducer (1 a) through the plurality of bevel gear groups;
a first bevel gear group (43), a second bevel gear group (44) and a third bevel gear group are arranged in the rotary speed reducer (1 a), a fourth bevel gear (46) is sleeved outside the transmission shaft (10 a), one end of the first bevel gear group (43) is meshed with the input end or the output end of the rotary speed reducer (1 a), one end of the third bevel gear group is meshed with the fourth bevel gear (46), and two ends of the second bevel gear group (44) are respectively meshed with the other ends of the first bevel gear group (43) and the third bevel gear group;
the second bevel gear group (44) consists of a pair of second bevel gears (440) and a second transmission rod (441); the third bevel gear group (45) consists of a pair of third bevel gears (450) and a third transmission rod (451);
the transmission shaft (10 a) penetrates through holes in the support seats extending outwards at two ends of the connecting seat (600), the connecting seat (600) is sleeved outside a third bearing (4510) of the third transmission rod (451), and the third bearing (4510) is connected with the inside of a shell of the rotary speed reducer (1 a);
automatic lubrication bearings are arranged on two sides of the shell of the rotary speed reducer and matched with the worm wheel (14 a), the automatic lubrication bearings are connected with the shell through end covers, and the end covers are connected with two sides of the shell in a bolt and nut mode.
2. A tracking drive system having a multi-point support drive shaft as claimed in claim 1, wherein: the rotary speed reducer (1 a) is a worm wheel (14 a) and is a rotary speed reducer (1 a), a first connecting column (130 a) and a second connecting column (131 a) are integrally formed on the worm wheel (14 a) of the rotary speed reducer (1 a), a main beam (12 a) on the left side of the rotary speed reducer (1 a) is connected with the first connecting column (130 a), and a main beam (12 a) on the right side of the rotary speed reducer (1 a) is connected with the second connecting column (131 a).
3. The tracking drive system with a multi-point supporting drive shaft according to claim 2, characterized in that said first connecting column (130 a) and said second connecting column (131 a) are both arranged in a rectangular shape.
CN202011423316.3A 2020-12-08 2020-12-08 Tracking transmission system with multipoint supporting transmission shaft Active CN112636679B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202011423316.3A CN112636679B (en) 2020-12-08 2020-12-08 Tracking transmission system with multipoint supporting transmission shaft
PCT/CN2021/125982 WO2022121536A1 (en) 2020-12-08 2021-10-25 Solar tracker
EP21204911.8A EP4012922A1 (en) 2020-12-08 2021-10-27 Solar tracking system having a single main beam and driven by multiple points
EP21204919.1A EP4012923A1 (en) 2020-12-08 2021-10-27 Solar tracker
US18/207,164 US20230336113A1 (en) 2020-12-08 2023-06-08 Solar tracker

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