CN210895132U

CN210895132U - Multipoint parallel synchronous driving solar tracking system

Info

Publication number: CN210895132U
Application number: CN201922469556.6U
Authority: CN
Inventors: 陈井强; 王士涛
Original assignee: Arctech Solar Holding Co Ltd
Current assignee: Arctech Solar Holding Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-30
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a multipoint parallel synchronous driving solar tracking system, which comprises a multipoint parallel synchronous driving device arranged on a main shaft, wherein the device comprises a driving mechanism and a plurality of stages of driven mechanisms; a first power output end of the driving mechanism is connected with the main shaft so as to output rotary power to the main shaft; a second power output end of the driving mechanism adjusts the output direction of the second power output end to be below the main shaft through a power guide mechanism I 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 driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction through the power output end of the power guide mechanism I, 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 connected with the main shaft; therefore, the driving mechanism realizes multi-point parallel synchronous driving of the main shaft through the transmission matching of the power guide mechanism I and the driven mechanism. 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, and is driven to rotate by a speed reducer or a push rod, a linear executing mechanism and other driving mechanisms in a single-point mode, so that a free long cantilever structure is formed except for a driving point, free long cantilever distortion is easily generated under the condition of strong wind, the longer the cantilever is, the more serious the distortion superposition is, the damage risk of components and supports is caused, and meanwhile, the resonance risk is increased due to the low natural frequency. In particular, in a single-axis tracking system, the driving mechanism is a free moving part under the action of strong wind except that the driving point is a fixed locking point. 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 multi-point parallel synchronous driving is realized by combining the mechanical driving shaft, and the stable locking under severe weather conditions is realized. In addition, a power guide mechanism is designed, so that power in the transmission direction of the worm and gear can be transmitted to a mechanical driving shaft parallel to the main shaft in an inclined mode, and the power guide mechanism is more suitable for complex terrains with large gradient changes.

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;

the first power output end of the driving mechanism is connected with the main shaft so as to output rotary power to the main shaft; the second power output end of the driving mechanism is connected with a power guide mechanism I, and the power guide mechanism I is matched with the driving mechanism to adjust the power output direction of the second power output end to be below the main shaft and be parallel to the main shaft in an axis manner;

the driving mechanism is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction through the power output end of the power guide mechanism I, 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 connected with the main shaft so as to output rotary power to the main shaft;

therefore, the driving mechanism realizes the multi-point parallel synchronous driving rotation of the main shaft through the transmission matching of the power guide mechanism I and the driven mechanism.

Preferably, the power output end of the power guide mechanism I is in transmission connection with the power input end of the driven mechanism along the axial direction through a mechanical driving shaft; adjacent driven mechanisms are in transmission connection along the axial direction through a mechanical driving shaft; the mechanical driving shaft is arranged below the main shaft and is parallel to the main shaft.

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

the worm wheel I is meshed with the upper side of the worm I, and the worm wheel I is sleeved on the main shaft and connected with the main shaft; and a second power output end of the worm I is in transmission connection with a power input end of the power guide mechanism I, so that the driving mechanism is in transmission connection with a power input end of the driven mechanism along the axial direction through the power guide mechanism I and the mechanical driving shaft.

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

Further, the power guide mechanism I comprises a commutator I and a universal joint component I; the reversing input end of the reverser I is in meshing transmission connection with the worm I, and the reversing output end of the reverser I is in transmission connection with the power input end of the universal joint component I;

the power output end of the universal joint assembly I, which is far away from the commutator I, is provided with a connecting shaft I, and the connecting shaft I is rotatably supported on the upright post through a supporting piece I; and the power output end of the universal joint component I is connected with the mechanical driving shaft into a whole through a connecting shaft I.

Furthermore, connecting axle I is rotatable wears to establish in one end of support piece I, another tip of support piece I is fixed on the stand.

Furthermore, the commutator I is a T-shaped commutator or an L-shaped commutator.

Further, be provided with the mount pad on the stand, it has to embed the shell setting of worm gear drive unit I is on the mount pad, and commutator I is fixed on the shell of I one end of worm, and the motor is installed on the shell of the I other end of worm, the shell is fixed on the mount pad. Furthermore, the power output end of the power guide mechanism I is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction through the power guide mechanism II after passing through the mechanical driving shaft.

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

the power guide mechanism II is respectively connected with the mechanical driving shaft in the axial direction and in transmission connection with the worm II and is used for transmitting the rotating power of the mechanical driving shaft to the worm II; 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.

Further, the power guide mechanism II comprises a universal joint component II and a commutator II; the power input end of the universal joint component II is in transmission connection with the mechanical driving shaft along the axial direction; the power output end of the universal joint component II is in transmission connection with the reversing input end of the reverser II; the reversing output end of the reverser II is in meshing transmission connection with the worm II;

the universal joint assembly II is provided with a connecting shaft II at the power input end far away from the commutator II, and the connecting shaft II is rotatably supported on the upright post through a support piece II; and the power input end of the universal joint component II is connected with the mechanical driving shaft into a whole through a connecting shaft II.

Furthermore, the connecting shaft II is rotatably arranged at one end part of the support piece II in a penetrating mode, and the other end part of the support piece II is fixed on the stand column.

Furthermore, the commutator II is a T-shaped commutator or an L-shaped commutator.

Furthermore, a mounting seat is arranged on the stand column, a shell with the built-in worm gear transmission unit II is arranged on the mounting seat, the commutator II is fixed on the shell at one end of the worm II, the motor is arranged on the shell at the other end of the worm II, and the shell is fixed on the mounting seat. Further, the power guide mechanism II comprises a commutator III;

and the power input end of the commutator III is in transmission connection with the mechanical driving shaft along the axial direction, and the power output end of the commutator III is in gear engagement transmission connection with the worm II.

Furthermore, the commutator III adopts a T-shaped commutator or an L-shaped commutator.

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 commutator III 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 the two sides vertical to the main shaft direction for detachable connection;

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

Furthermore, the solar tracking systems are arranged in parallel in multiple rows in the east-west direction; the worms on the main shafts of the two adjacent rows of solar tracking systems are in corresponding transmission connection through the transmission shafts of the commutators respectively.

Furthermore, the multipoint parallel synchronous driving device is provided with a plurality of groups which are connected in series, and a power guide mechanism I and a power guide mechanism II in the plurality of groups of multipoint parallel synchronous driving devices which are connected in series are connected in a head-to-tail rotating mode through a plurality of mechanical driving shafts or are connected in a synchronous mode through one mechanical driving shaft; 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, the driven mechanisms of a plurality of stages are uniformly distributed at intervals on one side or two sides of the driving mechanism.

Preferably, 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 can set up power guiding mechanism respectively between mechanical drive axle and actuating mechanism, follower, can incline the power of worm gear direction of transmission and transmit to the mechanical drive axle parallel with the main shaft to can adapt to the great complicated topography of slope change.

4) 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.

5) 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.

6) The utility model discloses in only need set up a driving motor and controller to single set system, all worm and gear, power guiding mechanism I, power guiding mechanism II are connected by the mechanical drive axle, and synchronous drive has reduced installation, operation and maintenance cost.

7) 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 an enlarged view of the structure of the commutator i in fig. 2.

Fig. 5 is an enlarged view of the structure of the commutator ii in fig. 3.

Fig. 6 is an enlarged view of the structure at the upright which provides support for the spindle alone.

The notations in the figures have the following meanings:

1-a driving mechanism, 10-a worm gear housing I, 11-a commutator I, 12-a universal joint component I, 13-a connecting shaft I, 14-a support component I;

2-a driven mechanism; 20-a worm gear shell II, 21-a commutator II, 22-a universal joint component II, 23-a connecting shaft II, 24-a support piece II;

3-main shaft, 30-bearing race;

4-a mechanical drive shaft;

5-upright column, 50-installation seat, 51-fixed seat, 52-upright column top seat, C-upper and lower adjustable row holes III and D-fixed 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 3, the embodiment is a multipoint parallel synchronous driving solar tracking system, which includes a main shaft 3, a plurality of columns 5 for supporting the main shaft 3, the main shaft 3 being used to fixedly mount a solar module 6, and a multipoint parallel synchronous driving device disposed on the main shaft 3, the multipoint parallel synchronous driving device including a driving mechanism 1 and a plurality of stages of driven mechanisms 2 in transmission connection;

a first power output end of the driving mechanism 1 is connected with the main shaft 3 so as to output rotary power to the main shaft 3; a second power output end of the driving mechanism 1 is connected with a power guide mechanism I, and the power guide mechanism I is matched with the driving mechanism 1 to adjust the power output direction of the second power output end to be below the main shaft 3 and be parallel to the main shaft 3 in an axis manner;

the driven mechanisms 2 in a plurality of stages are arranged at intervals along the main shaft 3, the driving mechanism 1 is in transmission connection with the power input end of the adjacent driven mechanism 2 along the axial direction through the power output end of the power guide mechanism I, and the adjacent driven mechanisms 2 in two stages are in transmission connection along the axial direction; the power output end of any one stage of the driven mechanism 2 is connected with the main shaft 3 so as to output rotary power to the main shaft 3;

therefore, the driving mechanism 1 is in transmission fit with the driven mechanism 2 through the power guide mechanism I to realize multi-point parallel synchronous driving rotation of the main shaft 3.

In this embodiment, the driving mechanism 1 outputs power to the main shaft 3 through the first power output end along the axial direction, and the power output end passes through the power guide mechanism i through the second power output end and can transmit the power in the inclined direction to the lower part of the main shaft and be parallel to the main shaft, and then outputs the power to the adjacent driven mechanism 2, and the driven mechanism 2 can correspondingly drive the adjacent driven mechanism 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 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.

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.

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, wherein the 2-stage driven mechanism 2 is symmetrically arranged on two sides of the driving mechanism 1. Each set of system is driven by a multipoint parallel synchronous driving device, and the running stability of the system can be ensured under the condition of 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).

Example 2

the plurality of stages of driven mechanisms 2 are arranged at intervals along the main shaft 3, the driving mechanism 1 is in transmission connection with the power input end of the adjacent driven mechanism 2 along the axial direction through the power output end of the power guide mechanism I, and specifically, the power output end of the power guide mechanism I is in transmission connection with the power input end of the driven mechanism along the axial direction through the mechanical driving shaft 4; and adjacent driven mechanisms 2 are in transmission connection along the axial direction through a mechanical driving shaft 4; the mechanical driving shaft 4 is arranged below the main shaft 3 and is parallel to the main shaft 3; the power output end of any one stage of the driven mechanism 2 is connected with the main shaft 3 so as to output rotary power to the main shaft 3;

In this embodiment, realize the synchronous cooperation transmission between actuating mechanism 1 and the follower 2 through mechanical drive shaft 4, owing to designed two way parallel synchronous outputs 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, to two-sided subassembly shelter from also only need avoid the main shaft just can, it is more convenient to make the system arrange.

As a preferred embodiment, the driving mechanism 1 comprises a worm gear transmission unit i fixed on the upright post 5; the worm gear and worm transmission unit I comprises a worm I serving as a second power output end and a worm wheel I serving as a first power output end; the worm wheel I is meshed with the upper side of the worm I, and is sleeved on the main shaft to output rotating power to the main shaft 3; and a second power output end of the worm I is in transmission connection with a power input end of the power guide mechanism I, so that the driving mechanism 1 is in transmission connection with a power input end of the driven mechanism along the axial direction through the power guide mechanism I and the mechanical driving shaft. Preferably, 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.

The embodiment provides a preferred arrangement form of the driving mechanism 1, the driving mechanism 1 outputs power to the main shaft 3 and the mechanical driving shaft 4 respectively along the axial direction through the worm wheel I and the power guiding mechanism I, the mechanical driving shaft 4 drives the adjacent driven mechanisms 2 and then correspondingly drives the adjacent driven mechanisms 2 to axially transmit, and further, the power output ends of the plurality of stages of driven mechanisms 2 jointly act on the main shaft 3 to form the synchronous rotating matching of the multi-point driving main shaft 3. According to the traditional worm and gear transmission mechanism, an input shaft and an output shaft are in a vertical relation, the vertical input and output of a worm and gear are converted into two paths of synchronous output parallel to the output of the worm and gear through the power guide mechanism I, meanwhile, the large holding torque of the worm and gear structure is reserved, and the locking effect on the main shaft 3 can be realized under the condition of strong wind. Therefore, the embodiment utilizes the large torque of the worm gear and the worm to enable the power to be output in parallel along two paths, and the multipoint parallel synchronous driving is more stable.

Preferably, the power guide mechanism I comprises a commutator I11 and a universal joint component I12; the reversing input end of the reverser I11 is in meshing transmission connection with the worm I gear, and the reversing output end of the reverser I11 is in transmission connection with the power input end of the universal joint component I12;

a power output end, far away from the commutator I11, of the universal joint component I12 is provided with a connecting shaft I13, and the connecting shaft I13 is rotatably supported on the upright post 5 through a supporting piece I14; and the power output end of the universal joint component I12 is connected with the mechanical driving shaft 4 into a whole through a connecting shaft 13.

In the preferred embodiment, the reverser I11 is connected with the worm I, so that the reverser I11 is positioned outside the driving mechanism 1, the mechanical driving shaft 4 is positioned below the main shaft 3 and is parallel to the main shaft 3, the direction is not in the same vertical plane, and the power output direction of the driving mechanism 1 can be guided by the power guiding mechanism I to be obliquely transmitted to the mechanical driving shaft 4 parallel to the main shaft 3, so that the multipoint parallel synchronous driving of the main shaft 3 can be realized. This makes this structural arrangement more nimble, no matter be applicable to any kind of topography, all can realize the regulation of power transmission direction through power guiding mechanism. Concretely, the rotatable tip of establishing at support piece I14 of wearing to of connecting axle I13 in the power guiding mechanism I, another tip of support piece I14 is fixed on stand 5 to, realize the support to I11 of commutator and I12 of universal joint through support piece I14, fix a position power transmission direction, can guarantee steady parallel drive relation. Wherein, universal joint subassembly I12 adopts universal joint.

Preferably, the commutator I is a T-shaped commutator or an L-shaped commutator. Specifically, as shown in fig. 4, if the commutator i 11 in the driving mechanism 1 is a T-shaped commutator, power can be transmitted to the mechanical driving shafts 4 on both sides; if an L-shaped commutator is adopted, the power can be transmitted to the mechanical driving shaft 4 on one side; and the commutator I can synchronously drive the driven mechanisms on two sides or one side, so that the multi-point synchronous driving rotation of the main shaft is realized.

As another more preferred embodiment, the upright post 5 is provided with a mounting seat 50, a shell I10 with the built-in worm gear transmission unit I is arranged on the mounting seat 50, a commutator I11 is fixed on the shell I10 at one end of the worm I, a motor is arranged on the shell I10 at the other end of the worm I, and the shell I10 is fixed on the mounting seat 50.

In the preferred embodiment, the worm wheel I in the worm wheel and worm transmission unit I is rotatably sleeved with the main shaft 3 and is connected and fixed with the upright post 5 through the shell I10, 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 mounting seat 50 is used for fixing the shell I10 of the worm gear transmission unit I, and the structure and the arrangement are convenient and compact.

In another preferred embodiment, the power output end of the power guide mechanism I passes through the mechanical driving shaft 4 and then is in transmission connection with the power input end of the adjacent driven mechanism 2 through the power guide mechanism II along the axial direction.

Therefore, the power transmitted from the driving mechanism 1 to the mechanical driving shaft 4 can obliquely output the power which is from the lower part of the main shaft 3 and is parallel to the main shaft 3 to the adjacent driven mechanism 2 through the power guide mechanism II, the driven mechanism 2 can correspondingly drive the adjacent driven mechanism 2 to axially transmit (it should be noted that the power output ends of the driven mechanisms 2 of a plurality of stages jointly act on the main shaft 3, and the matching of synchronous rotation of the multi-point driving main shaft 3 is formed.

Preferably, the driven mechanism 2 comprises a worm and gear transmission unit II; the worm gear and worm transmission unit II comprises a worm II serving as a power input end and a worm gear II serving as a power output end;

the power guide mechanism II is respectively connected with the mechanical driving shaft 4 along the axial direction and in transmission connection with the worm II and is used for transmitting the rotating power of the mechanical driving shaft 4 to the worm II; the worm gear II is meshed with the upper side of the worm II; and the worm wheel II is sleeved on the main shaft 3.

This preferred embodiment provides the preferred form of setting of follower 2, worm gear transmission structure has also been utilized, actuating mechanism 1 exports power to main shaft 3, mechanical drive shaft 4 through worm wheel I, power guiding mechanism I respectively along the axial, mechanical drive shaft 4 transmits axial rotation to power guiding mechanism II and then transmits to worm II, thereby, drive adjacent follower 2 synchronous axial transmission through mechanical drive shaft 4, and then make the power take off end of several 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, wherein the 2-stage driven mechanism 2 is symmetrically arranged on two sides of the driving mechanism 1. Each set of system is driven by a multipoint parallel synchronous driving device, and the running stability of the system can be ensured under the condition of 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).

In the above embodiment, the power guide mechanism ii may have a plurality of setting forms according to different application scenarios:

as an embodiment, the power guide mechanism II comprises a universal joint component II 22 and a commutator II 21; the power input end of the universal joint component II 22 is in transmission connection with the mechanical driving shaft 4 along the axial direction; the power output end of the universal joint component II 22 is in transmission connection with the reversing input end of the reverser II 21; the reversing output end of the reverser II 21 is in meshing transmission connection with the worm II;

a connecting shaft II 23 is arranged at the power input end, far away from the commutator II 21, of the universal joint assembly II 22, and the connecting shaft II 23 is rotatably supported on the upright post 5 through a support piece II 24; and the power input end of the universal joint component II 22 is connected with the mechanical driving shaft 4 into a whole through a connecting shaft II 23.

In the preferred embodiment, the reverser II 21 is connected with the worm II, so that the reverser II 21 is positioned outside the driving mechanism 1, the mechanical driving shaft 4 is positioned below the main shaft 3 and is parallel to the main shaft 3, the direction is not in the same vertical plane, the power output direction of the mechanical driving shaft can be guided by the power guiding mechanism II to be obliquely transmitted to the reverser II 21 and then transmitted to the worm gear unit II, and the multipoint parallel synchronous driving on the main shaft 3 can be realized. This just makes this structural arrangement more nimble, no matter be applicable to any kind of topography, all can realize the regulation of power transmission direction through power guiding mechanism II. Because the mechanical driving shaft 4 is positioned below the main shaft 3 and is parallel to the main shaft 3, the shielding of the double-sided assembly only needs to avoid the main shaft 3, and the system design is more flexible. Wherein, the universal joint component II 22 adopts a universal coupling.

Concretely, the rotatable tip of wearing to establish at support piece II 24 of connecting axle II 23 in the power guiding mechanism II, another tip of support piece II 24 is fixed on stand 5 to, realize the support to II 21 of commutator and II 22 of universal joint through support piece II 24, fix a position power transmission direction, can guarantee steady parallel drive relation. Therefore, the present embodiment is particularly suitable for a case where the terrain is complicated and the gradient change is large. In addition, when the driven mechanisms are arranged in a series of multiple stages, the arrangement mode enables the power guide mechanisms II in the series of multiple stages of driven mechanisms 2 to be respectively connected in an end-to-end rotating mode through a plurality of mechanical driving shafts 4.

Preferably, the commutator II 21 is a T-shaped commutator or an L-shaped commutator. Specifically, as shown in fig. 5, if the commutator ii 21 in the driven mechanism 2 is an L-shaped commutator, the driven mechanism 2 can receive the power transmitted from the driving mechanism 1 and the mechanical driving shaft 4, and accordingly the worm and gear unit ii can synchronously drive the main shaft 3; if a T-shaped commutator is adopted, the driven mechanism 2 can continuously drive the adjacent driven mechanism 2 to synchronously drive.

Preferably, the upright post 5 is provided with a mounting seat 50, the housing 20 with the built-in worm gear transmission unit II is arranged on the mounting seat 50, the commutator II 21 is fixed on the housing II 20 at one end of the worm, the driving motor is arranged on the housing II 20 at the other end of the worm II, and the housing II 20 is fixed on the mounting seat 50.

In the preferred embodiment, the worm gear II in the worm gear and worm transmission unit II is rotatably sleeved with the main shaft 3 and is connected and fixed with the upright post 5 through the shell II 20, so that when the worm gear II rotates, the main shaft 3 is correspondingly driven to track and rotate at a fixed point; the main shaft 3 and the driven mechanism 2 are fixedly supported through the upright post 5. And, utilize mount pad 51 to fix worm gear drive unit II's shell II 20, the structure arranges convenient compactness.

As another embodiment, the power guide mechanism II comprises a commutator III; and the power input end of the commutator III is in transmission connection with the mechanical driving shaft 4 along the axial direction, and the power output end of the commutator III is in gear engagement transmission connection with the worm II.

Preferably, the commutator III is a T-shaped commutator or an L-shaped commutator. When the commutator III in the driven mechanism adopts an L-shaped commutator, the L-shaped commutator can receive power transmitted from the driving mechanism 1 and the mechanical driving shaft 4, and correspondingly, the worm and gear unit II can synchronously drive the main shaft 3; when the T-shaped commutator is adopted, the adjacent driven mechanisms 2 can be continuously driven to synchronously drive on the basis of receiving power on the basis.

Under certain application conditions, according to the change of terrain gradient, the power of the mechanical driving shaft 4 is received and then the power is transmitted obliquely without adjusting the direction, and the axial power can be directly converted into vertical power through a reverser III (such as an L-shaped reverser) and transmitted to a worm gear transmission unit II. Specifically, in this case, the layout structure of the commutator iii is as follows: the worm gear and worm transmission unit II is arranged in the shell III; 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 commutator III is arranged in the upright post top seat 52 and passes through the upright posts 5 and the mounting holes of the upright post top seat 52 vertical surface in sequence along the two sides vertical to the main shaft 3 direction for detachable connection; the housing iii is fixed on the horizontal plane of the column 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 commutator III is arranged in the upright post top seat 52 and sequentially passes 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. Therefore, the fixed connection mode of the worm gear transmission unit II and the stand column 5 in the driven mechanism 2 and the matching connection mode of the mechanical driving shaft 4 and the worm gear transmission unit II are provided, the structural arrangement is compact, the fixed support of the main shaft 3 and the driven mechanism 2 is realized through the stand column, and the mechanical driving shaft 4 stably rotates and keeps constant parallel driving relation with the main shaft 3. Furthermore, when the driven mechanisms are arranged in a plurality of stages in series, the arrangement is such that the power guide mechanisms II in the multi-stage driven mechanisms 2 in series can be synchronously connected by the same long mechanical driving shaft 4.

Preferably, the multipoint parallel synchronous driving device is provided with a plurality of groups which are connected in series, and a power guide mechanism I and a power guide mechanism II in the plurality of groups of multipoint parallel synchronous driving devices which are connected in series are connected in a head-to-tail rotating mode through a plurality of mechanical driving shafts, so that the multipoint parallel synchronous driving device can adapt to different terrains. Alternatively, depending on the terrain, the connection may be synchronized by a single mechanical drive shaft; 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 to 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 the driving motor electricity, and all power guiding mechanism I and power guiding mechanism II (including between power guiding mechanism I and adjacent power guiding mechanism II, between two liang of adjacent power guiding mechanism II) in the parallel synchronous drive device of multiunit multiple spot are connected by a mechanical drive axle, perhaps power guiding mechanism I, power guiding mechanism II also can be connected by many mechanical drive axles, and many mechanical drive axles rotate the connection through the universal joint head and the tail, 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, the model of the single chip microcomputer is STM32E103 series, or other commercially available models can be selected, and the function of sending the instruction signal to the driving motor can be realized, which is not described in detail herein.

Preferably, the solar tracking systems are arranged in parallel in multiple rows in the east-west direction; (ii) a The worms on the main shafts 3 of the two adjacent rows of solar tracking systems are in corresponding transmission connection through transmission shafts of the commutator respectively. Therefore, multi-row synchronous linkage of the photovoltaic tracking system is realized. Specifically, the commutator I in the main shaft 3 in the 1 st row is in one-to-one corresponding transmission connection with the commutator I in the main shafts in the 2 nd row and up to the nth row, and the plurality of stages of commutators II in the main shaft in the 1 st row are in one-to-one corresponding transmission connection with the commutator II in the main shafts in the 2 nd row and up to the nth row. In practical application, the transmission connection is realized through the transmission shaft of the commutator, so that multi-row synchronous linkage is realized.

Therefore, the utility model discloses

actuating mechanism

1 and 2 cooperation forms of follower can also adapt to many platforms tracker (also be the drive of east-west to multirow tracker), through carrying out the transmission with two rows of adjacent solar tracking system's worm and connect, can realize many platforms tracker's synchronous linkage, make the utility model discloses technical application scope is more extensive, and the suitability is stronger.

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. 6, 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 column 5 is provided with an upper and lower adjustable row hole IIIC, the upright column top seat 51 is set as a U-shaped bending piece, and two vertical surfaces of the upright column top seat 51 are oppositely provided with a group of fixing holes

III D; 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. In addition, in fig. 6, a fixing seat 50 for the mechanical driving shaft 4 to rotate therein is further disposed at the top of the upright post 5, so that a certain external supporting limit is provided for the mechanical driving shaft 4, and a stable parallel driving relationship is further ensured.

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

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;

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

the power output end of the power guide mechanism I is in transmission connection with the power input end of the driven mechanism along the axial direction through a mechanical driving shaft; adjacent driven mechanisms are in transmission connection along the axial direction through a mechanical driving shaft;

the mechanical driving shaft is arranged below the main shaft and is parallel to the main shaft.

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

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

the worm wheel I is meshed with the upper side of the worm I, and the worm wheel I is sleeved on the main shaft and connected with the main shaft; the second power output end of the worm I is in transmission connection with the power input end of the power guide mechanism I, so that the driving mechanism is in transmission connection with the power input end of the driven mechanism along the axial direction through the power guide mechanism I and the mechanical driving shaft;

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

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

the power guide mechanism I comprises a commutator I and a universal joint component I; the reversing input end of the reverser I is in meshing transmission connection with the worm I, and the reversing output end of the reverser I is in transmission connection with the power input end of the universal joint component I;

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

be provided with the mount pad on the stand, it has to embed the shell setting of worm gear drive unit I is on the mount pad, and commutator I is fixed on the shell of I one end of worm, and the motor is installed on the shell of the I other end of worm, the shell is fixed on the mount pad.

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

the power output end of the power guide mechanism I is in transmission connection with the power input end of the adjacent driven mechanism along the axial direction through the power guide mechanism II after passing through the mechanical driving shaft;

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

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

the power guide mechanism II comprises a universal joint component II and a commutator II; the power input end of the universal joint component II is in transmission connection with the mechanical driving shaft along the axial direction; the power output end of the universal joint component II is in transmission connection with the reversing input end of the reverser II; the reversing output end of the reverser II is in meshing transmission connection with the worm II;

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

the power guide mechanism II comprises a commutator III;

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

the solar tracking systems are arranged in parallel in multiple rows in the east-west direction; the worms on the main shafts of the two adjacent rows of solar tracking systems are in corresponding transmission connection through the transmission shaft of the commutator; and/or the presence of a gas in the gas,

the multi-point parallel synchronous driving device is provided with a plurality of groups which are connected in series, and a plurality of power guide mechanisms I and power guide mechanisms II in the multi-group multi-point parallel synchronous driving device which are connected in series are connected in a head-to-tail rotating mode through a plurality of mechanical driving shafts or are connected in a synchronous mode through one mechanical driving shaft; 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.