CN210469209U - Multipoint parallel synchronous driving solar tracking system - Google Patents

Abstract

The utility model discloses a multipoint parallel synchronous driving solar tracking system, which comprises a main shaft and a plurality of upright posts for supporting the main shaft, wherein the main shaft is used for fixedly arranging a solar component, and the multipoint parallel synchronous driving system also comprises a multipoint parallel synchronous driving device arranged on the main shaft, and the multipoint parallel synchronous driving device comprises a driving mechanism and a plurality of stages of driven mechanisms which are connected in a transmission way; a first power output end of the driving mechanism is rotationally connected with the main shaft, and the main shaft is used as a power output shaft; the second power output end of the driving mechanism is arranged below the main shaft and is parallel to the main shaft in an axis manner; the plurality of stages of driven mechanisms are arranged at intervals along the main shaft, the second power output end of the driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction, and the adjacent two stages of driven mechanisms are in transmission connection along the axial direction; the power output end of any one stage of driven mechanism is rotationally connected with the main shaft; therefore, the driving mechanism and the driven mechanism are in transmission fit to realize multi-point parallel synchronous driving rotation of the main shaft. The system can realize multipoint locking and obviously improve the wind resistance.

Description

Multipoint parallel synchronous driving solar tracking system

Technical Field

The utility model belongs to the technical field of the photovoltaic support, concretely relates to parallel synchronous drive solar tracking system of multiple spot.

Background

The photovoltaic support driving tracking system is generally applied to a single-drive tracking system at present, a free long cantilever structure is formed by driving and rotating a speed reducer or a push rod, a linear executing mechanism and other driving mechanisms in a single-point mode except a driving point, free long cantilever distortion is easily generated under the condition of strong wind, the longer the cantilever is, the more the cantilever is, the longer the cantilever is, the more serious the cantilever is, damage risks to components and supports are caused, and meanwhile, the resonance risk can be increased due to low natural frequency. In particular, in a single-axis tracking system, the driving point of the driving mechanism is a fixed locking point under the action of strong wind, and other points are free moving parts. Because the distance from the driving point to the edge of the system in a single set of solar tracking system is generally dozens of meters or even dozens of meters, under the action of gust, risks such as deformation and resonance are easily generated, so that the multi-point common locking function in strong wind cannot be realized, the system can be damaged by deformation and vibration, and risks such as hidden crack can be generated on a solar component borne by the system after long-term operation. Moreover, in practical application, a single set of solar tracking system can only meet 3 1500V photovoltaic strings at most, and the design of a power station is very inconvenient.

Therefore, it is highly desirable to provide a multipoint parallel synchronous driving solar tracking system capable of realizing multipoint locking, significantly improving wind resistance, and greatly improving stability and reliability.

Disclosure of Invention

To the not enough among the above-mentioned prior art, the utility model provides a can realize the multiple spot locking, show and improve the anti-wind ability to promote the multiple spot parallel synchronous drive solar tracking system of stability, reliability by a wide margin. Compared with a single-point driving device commonly used by a driving and tracking system of the existing photovoltaic support, the system innovatively provides a multipoint parallel synchronous driving device, the vertical input and output of the traditional worm gear are converted into two paths of synchronous outputs parallel to the worm gear output, and the large holding torque of the driving structure of the worm gear is effectively utilized; and the parallel driver is used as a driving structure, and the parallel synchronous driving of multiple points is realized by combining a mechanical driving shaft, so that the stable locking under severe weather conditions is realized.

In order to realize the above-mentioned purpose and provide the parallel synchronous drive solar tracking system of multiple spot, the utility model discloses a following technical scheme:

a multipoint parallel synchronous driving solar tracking system comprises a main shaft, a plurality of stand columns and a multipoint parallel synchronous driving device, wherein the stand columns are used for supporting the main shaft, the main shaft is used for fixedly arranging a solar component, the multipoint parallel synchronous driving device is arranged on the main shaft, and the multipoint parallel synchronous driving device comprises a driving mechanism and a plurality of stages of driven mechanisms which are in transmission connection;

a first power output end of the driving mechanism is rotationally connected with the main shaft, and the main shaft is used as a power output shaft; the second power output end of the driving mechanism is arranged below the main shaft and is parallel to the main shaft in an axis manner;

the plurality of stages of driven mechanisms are arranged at intervals along the main shaft, the second power output end of the driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction, and the adjacent two stages of driven mechanisms are in transmission connection along the axial direction; the power output end of any one stage of the driven mechanism is rotationally connected with the main shaft;

therefore, the driving mechanism and the driven mechanism are in transmission fit to realize multi-point parallel synchronous driving rotation of the main shaft.

Preferably, the driving mechanism comprises a worm gear transmission unit I fixed on the upright column and a transmission gear serving as a second power output end; the worm gear and worm transmission unit I comprises a worm I and a worm wheel I serving as a first power output end;

the transmission gear is meshed with the lower side of the worm I, and the worm wheel I is meshed with the upper side of the worm I; the end surface of the transmission gear is parallel to the end surface of the turbine; the worm wheel I is sleeved on the main shaft and is rotationally connected with the main shaft;

the driving mechanism is in transmission connection with the power input end of the driven mechanism along the axial direction through the transmission gear.

Furthermore, a mechanical driving shaft is fixedly connected in the transmission gear, the mechanical driving shaft is rotatably fixed between the upright post and the worm and gear unit along with the transmission gear, and the mechanical driving shaft is parallel to the main shaft;

the driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism through a mechanical driving shaft, and the adjacent driven mechanisms are in transmission connection through the mechanical driving shaft.

Further, the driving mechanism further comprises a driving motor, and an output shaft of the driving motor is in driving connection with the worm or the mechanical driving shaft.

Furthermore, a worm gear shell I with a mounting hole is fixed on two sides of the worm gear I along the length direction of the main shaft, and the main shaft is rotatably arranged in the mounting hole in a penetrating manner;

worm wheel shell I and stand fixed connection.

Furthermore, a pair of mounting side plates are detachably arranged on the two sides of the upright column along the direction vertical to the main shaft;

the worm gear shell I is fixed on the pair of mounting side plates through a supporting seat;

a driving shaft seat is arranged between the bottom of the worm gear shell I and the top of the upright column and used for rotatably mounting a mechanical driving shaft; and the driving shaft seat is fixed between the pair of mounting side plates.

Furthermore, the driven mechanism comprises a worm gear transmission unit II and a connecting piece serving as a power input end; the worm gear and worm transmission unit II comprises a worm II and a worm gear II serving as a power output end;

the connecting piece is respectively connected with the mechanical driving shaft in the axial direction and the worm II in the vertical direction and is used for transmitting the axial rotation of the mechanical driving shaft to the worm; the worm gear II is meshed with the upper side of the worm II; and the worm gear II is sleeved on the main shaft and is rotationally connected with the main shaft.

Furthermore, a worm gear shell II with a mounting hole is fixed on two sides of the worm gear II along the length direction of the main shaft, and the main shaft is rotatably arranged in the mounting hole in a penetrating manner;

the top of the upright post is detachably connected with the upright post top seat; the upright post top seat is a U-shaped bending piece; the connecting piece is arranged in the upright post top seat and sequentially penetrates through the upright post and the mounting holes on the vertical surface of the upright post top seat along two sides perpendicular to the direction of the main shaft to be detachably connected;

the worm gear shell II is fixed on the horizontal plane of the upright post top seat;

further, the connecting piece is a commutator or a universal joint.

Furthermore, the main shafts are arranged into a plurality of parallel rows, and the upright posts are correspondingly arranged into a plurality of parallel rows; the worms on the two adjacent rows of main shafts are respectively in corresponding transmission connection.

Furthermore, the multipoint parallel synchronous driving devices are arranged into a plurality of groups which are connected in series, transmission gears and connecting pieces in the plurality of groups of multipoint parallel synchronous driving devices which are connected in series are connected by a mechanical driving shaft, or are connected by a plurality of mechanical driving shafts, and the plurality of mechanical driving shafts are connected in a head-to-tail rotating manner; the number of the driving motors is set to be 1, a controller is correspondingly arranged, and the controller is electrically connected with the driving motors.

Preferably, a plurality of stages of driven mechanisms are uniformly distributed at intervals on one side or two sides of the driving mechanism; and/or the presence of a gas in the gas,

the top and the stand footstock fixed connection of stand, the main shaft is worn to locate in the bearing, the bearing is installed in the bearing race, the stand footstock with bearing race fixed connection.

Compared with the prior art the beneficial effects of the utility model reside in that:

1) the utility model discloses in mutually support with actuating mechanism and follower, carry out the synchronous connection through the mechanical drive axle, actuating mechanism divide into power along two axial way parallel output, drive adjacent follower, this follower drives adjacent follower axial transmission equally, and then makes a plurality of grades of follower's power take off end coaction in the main shaft, forms the synchronous pivoted cooperation of multiple spot drive main shaft. Therefore, the utility model discloses when the strong wind comes temporarily, a plurality of driving points of system have just become a plurality of fixed locking points, and the corresponding shake that makes the system reduces by a wide margin, and stability, reliability are promoted by a wide margin to can realize that dispersion wind pressure, wind turn round, promote the reliability and the stability of system work by a wide margin. And two paths of power of the driving mechanism are output in parallel along the direction of the main shaft, so that the operation and maintenance of the system in the north-south direction are convenient and fast.

2) The utility model discloses actuating mechanism and follower have all adopted worm gear drive unit, turn into the perpendicular input/output of worm gear two way synchronous outputs parallel with the worm wheel output, have remain the big holding torque of worm gear structure simultaneously, have combined the mechanical drive axle to realize the parallel synchronous drive of multiple spot, can realize the locking effect to the main shaft under the strong wind condition. In addition, due to the design of two parallel drives, the shielding of the transmission part on the solar component, particularly the double-sided component, can be effectively reduced, and the system design is more flexible.

3) The utility model discloses the size interval setting of the photovoltaic group cluster that well multiple spot parallel synchronous drive device bore according to actual needs, every drive arrangement is no longer than 10 meters to the bearing system marginal distance that corresponds, consequently, the deformation of this system reduces by a wide margin under the strong wind condition, and the atress reduces, and the moment of torsion reduces, and corresponding system cost also reduces by a wide margin.

4) Single set of solar tracking system can only satisfy 3 1500V photovoltaic group cluster the most among the prior art, and the utility model discloses single set of system can realize installing 4 or more 1500V photovoltaic group clusters (the general 30 subassemblies of single 1500V photovoltaic group cluster), can be under extreme weather, especially strong wind condition, guarantees the stability of system operation. Wherein, the utility model discloses the single set of solar tracking system who mentions indicates that the biggest system that can only satisfy 3 1500V photovoltaic group cluster on the single main shaft.

5) The utility model discloses in only need set up a driving motor and controller to single set system, all worm and gear, drive gear, connecting piece are connected by mechanical drive axle, and synchronous drive has reduced installation, operation and maintenance cost.

6) The utility model discloses actuating mechanism and follower's cooperation form can also adapt to many platforms tracker also to the drive of east-west to multirow tracker, only needs to correspond the worm that carries out two rows of adjacent trackers to transmit and connects, can realize the synchronous linkage of many platforms tracker, makes the utility model discloses technical application scope is more extensive, and the suitability is stronger.

Drawings

Fig. 1 is the structural schematic diagram of the multi-point parallel synchronous driving solar tracking system of the present invention.

Fig. 2 is an enlarged view of a structure at a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is a schematic structural diagram of the multi-point parallel synchronous driving device in the system of the present invention.

Fig. 5a and 5b are enlarged views of structures at the upright post for supporting the main shaft alone.

The notations in the figures have the following meanings:

1-a driving mechanism, 10-a worm gear and worm transmission unit I, 100-a worm I, 101-a worm gear shell I, 102-a supporting seat and 11-a transmission gear;

2-a driven mechanism; 20-a worm gear and worm transmission unit II, 200-a worm II, 201-a worm gear shell II, 21-a connecting piece;

3-main shaft, 30-bearing race;

4-a mechanical drive shaft;

5-upright column, 50-installation side plate, 51-driving shaft seat, 52-upright column top seat, C-upper and lower adjustable row holes III and D-fixing holes III;

6-solar energy component.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product.

Example 1

As shown in fig. 1 to 4, the multi-point parallel synchronous driving solar tracking system includes a main shaft 3 and a plurality of columns 5 for supporting the main shaft 3, wherein the main shaft 3 is used for fixedly installing a solar module 6;

the multi-point parallel synchronous driving device is arranged on the main shaft 3 and comprises a driving mechanism 1 and a plurality of stages of driven mechanisms 2 which are in transmission connection;

a first power output end of the driving mechanism 1 is rotationally connected with a main shaft 3, and the main shaft 3 is used as a power output shaft; a second power output end of the driving mechanism 1 is fixedly arranged below the main shaft 3 and is parallel to the main shaft 3 in an axis manner;

the driven mechanisms 5 in a plurality of stages are arranged at intervals along the main shaft 3, the second power output end of the driving mechanism 1 is in transmission connection with the power input end of the adjacent driven mechanism 2 along the axial direction, and the adjacent driven mechanisms 2 in two stages are in transmission connection along the axial direction; the power output end of any one driven mechanism 2 is rotationally connected with the main shaft 3;

therefore, the driving mechanism is in transmission fit with the plurality of stages of driven mechanisms to realize multi-point parallel synchronous driving rotation of the main shaft.

In this embodiment, the driving mechanism 1 outputs power to the main shaft 3 and the adjacent driven mechanisms 2 respectively through the first and second power output ends along the axial direction, and the driven mechanisms 2 correspondingly drive the adjacent driven mechanisms 2 to axially transmit, so that the power output ends of the plurality of stages of driven mechanisms 2 jointly act on the main shaft 3, and the coordination of the multi-point driving of the main shaft 3 in synchronous rotation is formed. By applying the technical scheme, when strong wind comes, a plurality of driving points of the system become a plurality of fixed locking points, the corresponding shaking of the system is greatly reduced, and the stability and the reliability are greatly improved, so that the dispersed wind pressure and wind torque can be realized, and the reliability and the stability of the system work are greatly improved. And two paths of power of the driving mechanism are output in parallel along the direction of the main shaft, so that the operation and maintenance of the system in the north-south direction are convenient and fast. In addition, the multipoint parallel synchronous driving devices are arranged at intervals according to the size of the photovoltaic string which needs to be born actually, and the distance from each driving device to the edge of the corresponding bearing system is not more than 10 meters, so that the deformation of the system is greatly reduced under the condition of strong wind, the stress is reduced, the torque is reduced, and the cost of the corresponding system is also greatly reduced. In practical application, the multipoint parallel synchronous driving device comprises a driving mechanism 1 and a 2-stage driven mechanism 2 which are in transmission connection, each set of system is driven by the multipoint parallel synchronous driving device, and the running stability of the system can be ensured under extreme weather (especially strong wind); a single set of system can enable installation of 4 or more 1500V photovoltaic strings (typically 30 assemblies for a single 1500V photovoltaic string).

As a preferred embodiment, the driven mechanisms 2 are evenly spaced on one or both sides of the driving mechanism 1. Thus, the stability and reliability of the multi-point parallel synchronous driving of the main shaft 3 can be further improved.

Example 2

As shown in fig. 1 to 4, the multi-point parallel synchronous driving solar tracking system includes a main shaft 3 and a plurality of columns 5 for supporting the main shaft 3, wherein the main shaft 1 is used for fixedly installing a solar module 6;

the multi-point parallel synchronous driving device is arranged on the main shaft 3 and comprises a driving mechanism 1 and a plurality of stages of driven mechanisms 2 which are in transmission connection;

a first power output end of the driving mechanism 1 is rotationally connected with a main shaft 3, and the main shaft 3 is used as a power output shaft; a second power output end of the driving mechanism 1 is arranged below the main shaft 3 and is parallel to the main shaft 3 in an axis manner;

the driving mechanism 1 comprises a worm gear transmission unit I10 fixed on the upright post 5 and a transmission gear 11 serving as a second power output end; the worm and gear transmission unit I10 comprises a worm I100 and a worm gear I serving as a first power output end; the transmission gear 11 is meshed with the lower side of the worm I100, and the worm wheel I is meshed with the upper side of the worm I100; the end face of the transmission gear 11 is parallel to the end face of the worm wheel I; the worm wheel I is sleeved on the main shaft 3 and is rotationally connected with the main shaft 3;

the driven mechanisms 2 of a plurality of stages are arranged at intervals along the main shaft 3, and the driving mechanism 1 is in transmission connection with the power input end of the adjacent driven mechanism 2 along the axial direction through a transmission gear 11; and the adjacent two stages of driven mechanisms 2 are in transmission connection along the axial direction; the power output end of any one driven mechanism 2 is rotationally connected with the main shaft 3;

therefore, the driving mechanism 1 is in transmission fit with the plurality of stages of driven mechanisms 2 to realize multi-point parallel synchronous driving rotation of the main shaft 3.

In this embodiment, the driving mechanism 1 adopts a worm and gear transmission structure, and power is respectively axially output to the main shaft 3 and the adjacent driven mechanisms 2 through the worm wheel i and the transmission gear 11, and then the adjacent driven mechanisms 2 are correspondingly driven to axially transmit, so that the power output ends of the plurality of stages of driven mechanisms 2 jointly act on the main shaft 3, and the coordination of the multi-point driving of the synchronous rotation of the main shaft 3 is formed. In the traditional worm and gear transmission mechanism, an input shaft and an output shaft are in a vertical relation, while the embodiment converts the vertical input and output of the worm and gear into two paths of synchronous output parallel to the output of the worm and gear, and simultaneously keeps the large holding torque of the worm and gear structure, and can realize the locking effect on the main shaft 3 under the condition of strong wind. In addition, the parallel driving of the embodiment can effectively reduce the shielding of the transmission component on the solar component 6, particularly the double-sided component, so that the system design is more flexible.

In the above embodiment, the transmission gear 11 is internally and fixedly connected with the mechanical driving shaft 4, the mechanical driving shaft 4 is rotatably fixed between the upright post 5 and the worm gear unit along with the transmission gear 11, and the mechanical driving shaft 4 and the main shaft 1 are parallel to each other; the driving mechanism 1 is in transmission connection with the power input end of the adjacent driven mechanism 2 through a mechanical driving shaft 4, and the adjacent driven mechanisms 2 are in transmission connection through the mechanical driving shaft 4. Therefore, synchronous matched transmission between the driving mechanism 1 and the driven mechanism 2 is achieved through the mechanical driving shaft 4, power is output to the main shaft 3 and the mechanical driving shaft 4 respectively through the worm gear I and the transmission gear 11 in the axial direction through the driving mechanism 1, the mechanical driving shaft 4 drives the adjacent driven mechanism 2 and then correspondingly drives the adjacent driven mechanism 2 to carry out axial transmission, and then the power output ends of the driven mechanisms 2 of a plurality of stages jointly act on the main shaft 3, so that synchronous rotating matching of the multi-point driving main shaft 3 is formed. On the basis of utilizing worm gear driven big moment, owing to designed two way parallel synchronization output of mechanical drive shaft 4 and main shaft 3, make mechanical drive shaft 4 parallel arrangement in the space between main shaft 3 below to stand 5 tops, make full use of space shelters from also only need to avoid the main shaft to two-sided subassembly just can, make the system arrange more convenient.

As a preferred embodiment, the driving mechanism 1 further comprises a driving motor, and an output shaft of the driving motor is in driving connection with the worm i 100, so that the motor drives the worm i 100 to drive the worm wheel i to rotate and drive the transmission gear 11 to rotate; or the output shaft of the driving motor is in driving connection with the mechanical driving shaft 4, so that the motor drives the mechanical driving shaft 4 to drive the transmission gear 11 to rotate and drive the worm I100 and the worm wheel I to rotate. Thereby the arrangement of the driving motor is more flexible and convenient.

As another preferred embodiment, a worm gear housing i 101 with mounting holes is fixed on two sides of the worm gear i along the length direction of the main shaft 3, and the main shaft 3 is rotatably inserted into the mounting holes; worm gear shell I101 and stand 5 fixed connection. Preferably, the upright post 5 is detachably provided with a pair of mounting side plates 50 along two sides perpendicular to the direction of the main shaft 3; the worm gear housing I101 is fixed on the pair of mounting side plates 50 through a support seat 102; a driving shaft seat 51 is arranged between the bottom of the worm gear shell I101 and the top of the upright post 5 and used for rotatably mounting a mechanical driving shaft 4; and the driving shaft seat 51 is fixed between the pair of mounting side plates 50.

The worm wheel I in the worm wheel and worm transmission unit I10 of the embodiment rotatably sleeves the main shaft 3 and is connected and fixed with the upright post 5 through the worm wheel shell I101, so that when the worm wheel I rotates, the main shaft 3 is correspondingly driven to track and rotate at a fixed point; the main shaft 3 and the driving mechanism 1 are fixedly supported through the upright post 5. In addition, the driving shaft seat 51 is arranged in the space between the main shaft 3 and the upright post 5 by relying on the upright post 5, so that the arrangement is flexible and compact, and interference on the solar installation component is avoided.

As another preferred embodiment, the driven mechanism 2 comprises a worm gear unit ii 20, a connecting piece 21 as a power input end; the worm and gear transmission unit comprises a worm II 200 and a worm gear II serving as a power output end; the connecting piece 21 is respectively connected with the mechanical driving shaft 4 along the axial direction and the worm II 200 along the vertical direction, and is used for transmitting the axial rotation of the mechanical driving shaft 4 to the worm II 200; the worm gear II is meshed with the upper side of the worm II 200; and the worm wheel II is sleeved on the main shaft 3 and is rotationally connected with the main shaft 3.

This embodiment provides the preferred form that sets up of follower 2, worm gear transmission structure has also been utilized, actuating mechanism exports power to main shaft 3, mechanical drive shaft 4 along the axial respectively through worm wheel I, drive gear 11, mechanical drive shaft 4 transmits axial rotation to connecting piece 21 and then transmits to worm II 200, thereby, drive adjacent follower 2 synchronous axial transmission through mechanical drive shaft 4, and then make the power take off end of a plurality of grades of follower 2 act on main shaft 3 jointly, form the synchronous pivoted cooperation of multiple spot drive main shaft 3. In practical application, the multipoint parallel synchronous driving device comprises a driving mechanism 4 and a 2-stage driven mechanism 5 which are in transmission connection, each set of system is driven by the multipoint parallel synchronous driving device, and the running stability of the system can be ensured under extreme weather (especially strong wind); a single set of system can enable installation of 4 or more 1500V photovoltaic strings (typically 30 assemblies for a single 1500V photovoltaic string).

Preferably, the multipoint parallel synchronous driving devices are arranged into a plurality of groups which are connected in series, the transmission gears 11 and the connecting pieces 21 in the plurality of groups of multipoint parallel synchronous driving devices which are connected in series are both connected by one mechanical driving shaft 4, or the transmission gears and the connecting pieces can be connected by a plurality of mechanical driving shafts, and the plurality of mechanical driving shafts are rotationally connected end to end through universal joints, so that the multipoint parallel synchronous driving devices can adapt to different terrains; the number of the driving motors is set to be 1, a controller is correspondingly arranged, and the controller is electrically connected with the driving motors. Through this preferred scheme, only need set up a driving motor and controller (driving motor and controller can rely on stand 5 to support fixedly) to single set of system, the controller adopts the singlechip, the singlechip is connected with driving motor electricity, and all drive gears and connecting pieces (including between drive gear and the adjacent connecting piece and between two liang of adjacent connecting pieces) in the parallel synchronous drive device of multiunit multiple spot are connected by a mechanical drive axle, and perhaps drive gear, connecting piece also can be connected by many mechanical drive axles, and many mechanical drive axles rotate the connection through the universal joint end to end, can adapt to different topography like this, synchronous drive, have reduced installation, operation and maintenance cost. In addition, the aforementioned electric connection between the driving motor and the controller is set as a conventional technical means in the field, and the model of the single chip microcomputer is STM32 series, or other commercially available models can be selected, so that the function of sending the instruction signal to the driving motor can be realized, and further detailed description is omitted here.

Preferably, the main shafts 3 are arranged in parallel rows, and the corresponding upright posts 5 are also arranged in parallel rows; the worms on the two adjacent rows of main shafts 3 are correspondingly connected in a transmission manner, so that the multi-row synchronous linkage of the photovoltaic tracking system is realized. Specifically, the worms I100 in the main shaft 3 in the 1 st row are in one-to-one corresponding transmission connection with the worms I100 in the main shafts from the 2 nd row to the nth row, and the worms II 200 in the main shaft in the 1 st row are in one-to-one corresponding transmission connection with the worms II 200 in the main shafts from the 2 nd row to the nth row. In practical application, transmission connection is realized through the transmission shaft, so that multi-row synchronous linkage is realized.

Therefore, the utility model discloses actuating mechanism and follower's cooperation form can also adapt to many platforms tracker (also be east-west to multirow tracker's drive), carries out the transmission through the worm with two rows of adjacent tracker and connects, can realize many platforms tracker's synchronous linkage, makes the utility model discloses technical application scope is more extensive, and the suitability is stronger.

Preferably, a worm gear shell II 201 with a mounting hole is fixed on two sides of the worm gear II along the length direction of the main shaft, and the main shaft 3 is rotatably arranged in the mounting hole in a penetrating manner; the top of the upright post 5 is detachably connected with an upright post top seat 52; the upright post top seat 52 is a U-shaped bending piece; the connecting piece 21 is arranged in the upright post top seat 52 and passes through the upright post 5 and the mounting holes of the upright post top seat 52 in sequence along two sides vertical to the direction of the main shaft 3 for detachable connection; the worm gear shell II 201 is fixed on the horizontal plane of the upright post top seat 52. More specifically, the top of the upright post 5 is provided with a plurality of rows of adjusting holes II, the upright post top seat is provided with a U-shaped bending piece, and a pair of fixing holes II are oppositely arranged on two vertical surfaces of the upright post top seat; the connecting piece 21 is arranged in the upright post top seat 52 and sequentially penetrates through the adjusting hole II and the fixing hole II to realize that the height can be adjusted, and is detachably connected with the upright post 5 and the upright post top seat 52.

The preferred embodiment provides a fixed connection mode of the worm gear transmission unit II 20 and the upright post 5 in the driven mechanism 2 and a matching connection mode of the mechanical driving shaft 4 and the worm gear transmission unit II 20, the structural arrangement is compact, the upright post realizes fixed support of the main shaft 3 and the driven mechanism 2, and the mechanical driving shaft 4 stably rotates and keeps a constant parallel driving relation with the main shaft 3.

Preferably, the connecting member 21 is a commutator or a universal joint, or an existing component or assembly capable of performing the functions of reversing and transmitting power. As shown in fig. 3, the connecting member 21 is a commutator, and the mechanical driving shaft 4 is inserted into the commutator. The reverser is preferably a gear reverser which can synchronously transmit the power of the mechanical driving shaft 4 to the worm II 200 of the driven mechanism 2, wherein the working principle of the gear reverser is the prior art and is not described in detail.

In the preferred embodiment, a preferred arrangement form of the driven mechanism 2 is provided, and the axial power from the mechanical driving shaft 4 is transmitted to the worm gear transmission unit ii 20 through the reversing function by the connecting piece 21 which can realize the reversing and power transmitting functions, so that the synchronous rotation of the main shaft 3 and the worm gear ii is realized.

Example 3

In this embodiment, on the basis of embodiment 1 or 2, it should be noted that, in addition to the column 5 that synchronously supports the main shaft 3, the driving mechanism 1, and the driven mechanism 2, another column 5 that individually supports the main shaft may be provided. As shown in fig. 5a and 5b, the top of the pillar 5 is fixedly connected with the pillar top seat 52; the main shaft 3 is arranged in a bearing in a penetrating way, and the bearing is arranged in a bearing race 30; the column top seat 52 is fixedly connected with the bearing race 30 to directly rotatably support the main shaft 3. In practical application, the top of the upright post 5 is provided with an up-down adjustable row hole IIIC, the upright post top seat 51 is provided with a U-shaped bending piece, and two vertical surfaces of the upright post top seat 51 are oppositely provided with a group of fixing holes IIID; the adjustment of the relative height of the upright post 5 and the upright post top seat 52 can be realized through the matching of the upper and lower adjustable row holes IIIC and the group of fixing holes IIID.

Therefore, the utility model provides a stand 2 can be applied to different fixed scenes, supports main shaft 1, actuating mechanism 4, follower 5 fixedly to connect with the basis or directly as the basis in order to support main shaft 1. In practical application, the bearing is preferably a polymer bearing.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a parallel synchro-driven solar energy tracker of multiple spot, includes the main shaft and is used for supporting a plurality of stands of main shaft, the main shaft is used for setting firmly solar energy component, its characterized in that:

the multi-point parallel synchronous driving device comprises a driving mechanism and a plurality of stages of driven mechanisms which are in transmission connection;

a first power output end of the driving mechanism is rotationally connected with the main shaft, and the main shaft is used as a power output shaft; the second power output end of the driving mechanism is arranged below the main shaft and is parallel to the main shaft in an axis manner;

the plurality of stages of driven mechanisms are arranged at intervals along the main shaft, the second power output end of the driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction, and the adjacent two stages of driven mechanisms are in transmission connection along the axial direction; the power output end of any one stage of the driven mechanism is rotationally connected with the main shaft;

therefore, the driving mechanism and the driven mechanism are in transmission fit to realize multi-point parallel synchronous driving rotation of the main shaft.

2. The multipoint parallel synchronous drive solar tracking system of claim 1, wherein:

the driving mechanism comprises a worm gear transmission unit I fixed on the upright post and a transmission gear serving as a second power output end; the worm gear and worm transmission unit I comprises a worm I and a worm wheel I serving as a first power output end;

the transmission gear is meshed with the lower side of the worm I, and the worm wheel I is meshed with the upper side of the worm I; the end surface of the transmission gear is parallel to the end surface of the turbine; the worm wheel I is sleeved on the main shaft and is rotationally connected with the main shaft;

the driving mechanism is in transmission connection with the power input end of the driven mechanism along the axial direction through the transmission gear.

3. The multipoint parallel synchronous drive solar tracking system of claim 2, wherein:

a mechanical driving shaft is fixedly connected in the transmission gear, the mechanical driving shaft is rotatably fixed between the upright post and the worm and gear unit along with the transmission gear, and the mechanical driving shaft is parallel to the main shaft;

the driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism through a mechanical driving shaft, and the adjacent driven mechanisms are in transmission connection through the mechanical driving shaft.

4. The multipoint parallel synchronous drive solar tracking system of claim 3, wherein:

the driving mechanism further comprises a driving motor, and an output shaft of the driving motor is in driving connection with the worm or the mechanical driving shaft.

5. The multipoint parallel synchronous drive solar tracking system of claim 2, wherein:

a worm gear shell I with mounting holes is fixed on two sides of the worm gear I along the length direction of the main shaft, and the main shaft is rotatably arranged in the mounting holes in a penetrating manner;

worm wheel shell I and stand fixed connection.

6. The multipoint parallel synchronous drive solar tracking system of claim 5, wherein:

the upright post is detachably provided with a pair of mounting side plates along two sides perpendicular to the direction of the main shaft;

the worm gear shell I is fixed on the pair of mounting side plates through a supporting seat;

a driving shaft seat is arranged between the bottom of the worm gear shell I and the top of the upright column and used for rotatably mounting a mechanical driving shaft; and the driving shaft seat is fixed between the pair of mounting side plates.

7. The multipoint parallel synchronous drive solar tracking system of claim 4, wherein:

the driven mechanism comprises a worm gear transmission unit II and a connecting piece serving as a power input end; the worm gear and worm transmission unit II comprises a worm II and a worm gear II serving as a power output end;

the connecting piece is respectively connected with the mechanical driving shaft in the axial direction and the worm II in the vertical direction and is used for transmitting the axial rotation of the mechanical driving shaft to the worm; the worm gear II is meshed with the upper side of the worm II; and the worm gear II is sleeved on the main shaft and is rotationally connected with the main shaft.

8. The multipoint parallel synchronous drive solar tracking system of claim 7, wherein:

a worm gear shell II with a mounting hole is fixed on two sides of the worm gear II along the length direction of the main shaft, and the main shaft is rotatably arranged in the mounting hole in a penetrating manner;

the top of the upright post is detachably connected with the upright post top seat; the upright post top seat is a U-shaped bending piece; the connecting piece is arranged in the upright post top seat and sequentially penetrates through the upright post and the mounting holes on the vertical surface of the upright post top seat along two sides perpendicular to the direction of the main shaft to be detachably connected;

the worm gear shell II is fixed on the horizontal plane of the upright post top seat;

and/or the presence of a gas in the gas,

the connecting piece is a commutator or a universal joint.

9. The multipoint parallel synchronous drive solar tracking system of claim 7, wherein:

the main shafts are arranged into a plurality of parallel rows, and the upright posts are correspondingly arranged into a plurality of parallel rows; the worms on the two adjacent rows of main shafts are respectively in corresponding transmission connection; and/or the presence of a gas in the gas,

the multipoint parallel synchronous driving devices are arranged into a plurality of groups in series, transmission gears and connecting pieces in the plurality of groups of multipoint parallel synchronous driving devices in series are connected by a mechanical driving shaft, or are connected by a plurality of mechanical driving shafts, and the plurality of mechanical driving shafts are connected in a head-to-tail rotating manner; the number of the driving motors is set to be 1, a controller is correspondingly arranged, and the controller is electrically connected with the driving motors.

10. The multipoint parallel synchronous drive solar tracking system of claim 1, wherein:

the driven mechanisms of a plurality of stages are uniformly distributed at intervals on one side or two sides of the driving mechanism; and/or the presence of a gas in the gas,

the top and the stand footstock fixed connection of stand, the main shaft is worn to locate in the bearing, the bearing is installed in the bearing race, the stand footstock with bearing race fixed connection.

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