阅读说明：本技术 一种多点平行同步驱动装置及其应用 (Multipoint parallel synchronous driving device and application thereof ) 是由 王士涛 俞正明 童舜勇 陈井强 王敏杰 于 2019-10-23 设计创作，主要内容包括：本发明公开一种多点平行同步驱动装置,包括传动连接的驱动机构和若干级从动机构；所述驱动机构包括用于与动力输出轴转动连接的第一动力输出端、设于第一动力输出端下方且与第一动力输出端沿动力输出方向平行的第二动力输出端；若干级所述从动机构沿动力输出方向间隔设置,所述驱动机构的第二动力输出端与相邻的从动机构的动力输入端沿动力输出方向传动连接,相邻的两级从动机构之间沿动力输出方向传动连接；任一级所述从动机构均包括用于与动力输出轴转动连接的动力输出端。该装置能够实现多点锁定,显著提高抗风能力,并大幅提升稳定性、可靠性。且该装置可应用于太阳能跟踪系统中,以主轴作为其中的动力输出轴,实现对主轴的多点平行同步驱动。(The invention discloses a multipoint parallel synchronous driving device, which comprises a driving mechanism and a plurality of stages of driven mechanisms, wherein the driving mechanism and the plurality of stages of driven mechanisms are in transmission connection; the driving mechanism comprises a first power output end and a second power output end, wherein the first power output end is used for being rotationally connected with the power output shaft, and the second power output end is arranged below the first power output end and is parallel to the first power output end along the power output direction; the plurality of stages of driven mechanisms are arranged at intervals along the power output direction, 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 power output direction, and the adjacent two stages of driven mechanisms are in transmission connection along the power output direction; and the driven mechanism at any stage comprises a power output end which is used for being rotationally connected with the power output shaft. The device can realize multipoint locking, obviously improves the wind resistance, and greatly improves the stability and the reliability. The device can be applied to a solar tracking system, and the main shaft is used as a power output shaft in the solar tracking system, so that multi-point parallel synchronous driving of the main shaft is realized.)

1. A multipoint parallel synchronous driving device is characterized in that:

comprises a driving mechanism and a plurality of stages of driven mechanisms which are in transmission connection;

the driving mechanism comprises a first power output end and a second power output end, wherein the first power output end is used for being rotationally connected with the power output shaft, and the second power output end is arranged below the first power output end and is parallel to the first power output end along the power output direction;

the plurality of stages of driven mechanisms are arranged at intervals along the power output direction, 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 power output direction, and the adjacent two stages of driven mechanisms are in transmission connection along the power output direction; and the driven mechanism at any stage comprises a power output end which is used for being rotationally connected with the power output shaft.

2. The multipoint parallel synchronous drive device according to claim 1, characterized in that:

the driving mechanism comprises a worm gear transmission unit I 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 used for being rotatably connected with a power output shaft;

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

3. The multipoint parallel synchronous drive device according to claim 2, characterized in that:

a mechanical driving shaft is fixedly connected in the transmission gear, and the power output directions of the mechanical driving shaft and the first power output end are parallel to each other;

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 device according to claim 3, characterized in that:

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 device according to claim 2, characterized in that:

the worm wheel I is fixed with worm wheel shell I with mounting holes along the both sides of power take off direction, the mounting hole be used for rotatable power take off shaft that wears to establish.

6. The multipoint parallel synchronous drive device according to claim 4, characterized in that:

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 rotatably connected with a power output shaft.

7. The multipoint parallel synchronous drive device according to claim 6, characterized in that:

a worm gear shell II with mounting holes is fixed on two sides of the worm gear II along the power output direction, and the mounting holes are used for rotatably penetrating through the power output shaft; and/or the presence of a gas in the gas,

the connecting piece is a commutator or a universal joint.

8. The multipoint parallel synchronous drive device according to claim 6, characterized in that:

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

the multi-point parallel synchronous driving devices are arranged in multiple rows, and the worms of two adjacent rows of driving devices are in corresponding transmission connection respectively.

9. The multipoint parallel synchronous drive device according to claim 1, characterized in that:

the driven mechanisms of a plurality of stages are uniformly distributed at intervals on one side or two sides of the driving mechanism.

10. Use of a multi-point parallel synchronous drive device according to any of claims 1 to 9, wherein: the power output shaft is used as a main shaft which is used for fixing the solar component.

Technical Field

The invention belongs to the technical field of transmission, and particularly relates to a multipoint parallel synchronous driving device and application thereof.

Background

In the field of existing mechanical transmission, particularly in a driving tracking system of a common solar support at present, a single-point driving is generally performed by a speed reducer or a push rod, a linear actuator and other driving mechanisms, 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 is superposed, damage risks to components and the support are caused, and meanwhile, the resonance risk is 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 multi-point parallel synchronous driving device and an application thereof, which can achieve multi-point locking, significantly improve wind resistance, and greatly improve stability and reliability.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the multipoint parallel synchronous driving device which can realize multipoint locking, obviously improve the wind resistance and greatly improve the stability and reliability and the application thereof. Compared with the conventional single-point driving device, the device innovatively converts the vertical input and output of the traditional worm gear into two paths of synchronous output parallel to the output of the worm gear, and effectively utilizes the large holding torque of the worm gear transmission; 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 order to achieve the purpose, the invention provides a multipoint parallel synchronous driving device, which adopts the following technical scheme:

a multipoint parallel synchronous driving device comprises a driving mechanism and a plurality of stages of driven mechanisms which are in transmission connection;

the driving mechanism comprises a first power output end and a second power output end, wherein the first power output end is used for being rotationally connected with the power output shaft, and the second power output end is arranged below the first power output end and is parallel to the first power output end along the power output direction;

the plurality of stages of driven mechanisms are arranged at intervals along the power output direction, 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 power output direction, and the adjacent two stages of driven mechanisms are in transmission connection along the power output direction; and the driven mechanism at any stage comprises a power output end which is used for being rotationally connected with the power output shaft.

Preferably, the driving mechanism comprises a worm gear transmission unit I 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 used for being rotatably connected with a power output shaft;

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

Furthermore, a mechanical driving shaft is fixedly connected in the transmission gear, and the power output directions of the mechanical driving shaft and the first power output end are parallel to each other;

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 mounting holes is fixed on two sides of the worm gear I along the power output direction, and the mounting holes are used for rotatably penetrating through the power output shaft.

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 rotatably connected with a power output shaft.

Furthermore, a worm gear shell II with mounting holes is fixed on two sides of the worm gear II along the power output direction, and the mounting holes are used for rotatably penetrating through the power output shaft.

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

Furthermore, the multipoint parallel synchronous driving devices are arranged into a plurality of parallel rows, and the worms of two adjacent rows of driving devices are in corresponding transmission connection respectively.

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, the driven mechanisms of a plurality of stages are uniformly distributed at intervals on one side or two sides of the driving mechanism.

The multipoint parallel synchronous driving device can be applied to a solar tracking system, the main shaft is used as a power output shaft in the solar tracking system, the main shaft is used for fixing a solar component, multipoint parallel synchronous driving of the main shaft is realized, and multiple fixed points are locked, so that the multipoint parallel synchronous driving device is suitable for severe weather, and the running performance and the service life of the multipoint parallel synchronous driving device are improved.

Compared with the prior art, the invention has the beneficial effects that:

1) the multipoint parallel synchronous driving device is characterized in that a driving mechanism and driven mechanisms are matched with each other and are synchronously connected through a mechanical driving shaft, the driving mechanism divides power into two paths for parallel output, one path is output to a power output shaft, the other path drives adjacent driven mechanisms through the mechanical driving shaft, and the driven mechanisms correspondingly drive adjacent driven mechanisms to synchronously transmit along the power transmission direction, so that power output ends of a plurality of stages of driven mechanisms can jointly act on the power output shaft in specific application, and the multipoint driving power output shaft is matched with the multipoint driving power output shaft in a synchronous rotating mode.

2) The driving mechanism and the driven mechanism both adopt a worm gear transmission structure, convert the vertical input and output of the worm gear into two paths of synchronous output parallel to the output of the worm gear, simultaneously keep the large holding torque of the worm gear structure, realize multi-point parallel synchronous driving by combining a mechanical driving shaft, and realize stable and reliable locking action on a power output shaft under the condition of strong wind. And the design of two-way parallel drive makes only need to arrange in the space of original power output shaft, does not need additionally to occupy bigger space, and the installation is arranged and is maintained all more conveniently.

3) The device disclosed by the invention has an excellent effect when being applied to a solar tracking system, when a strong wind comes, a plurality of driving points of the system become a plurality of fixed locking points, so that the shaking of the system is correspondingly greatly reduced, the stability and the reliability are greatly improved, the wind pressure and the wind torque can be dispersed, and the reliability and the stability of the system in operation are greatly improved. Moreover, two paths of power of the driving mechanism are output in parallel along the direction of the main shaft, so that the device is convenient and fast to operate and maintain in the north-south direction when being applied to a solar tracking system, the shielding of a transmission part on a solar component, particularly a double-sided component, can be effectively reduced, and the system design is more flexible

4) When the device is applied to a solar tracking system, the multipoint parallel synchronous driving devices are arranged at intervals according to the size of a photovoltaic group string which needs to be actually born, 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 corresponding system cost is also greatly reduced.

5) In the prior art, a single set of solar tracking system can only meet 3 1500V photovoltaic group strings at most, but the single set of solar tracking system utilizing the multipoint parallel synchronous driving device can realize the installation of 4 or even more 1500V photovoltaic group strings (generally 30 assemblies of a single 1500V photovoltaic group string), has excellent bearing performance, and can ensure the stability of the system operation under extreme weather, especially strong wind conditions. The single set of solar tracking system provided by the invention is a system which can only meet 3 1500V photovoltaic group strings on a single-row main shaft to the maximum extent.

6) The single set of solar tracking system utilizing the multipoint parallel synchronous driving device only needs to be provided with one driving motor and one controller, all the worm and gear, the transmission gear and the connecting piece are connected by the mechanical driving shaft and are driven synchronously, and the installation, operation and maintenance cost is reduced.

7) In the matching design of the driving mechanism and the driven mechanism, the worms of the two adjacent rows of driving devices are in transmission connection, and the driving mechanism can also be applied to synchronously driving multiple rows of power output shafts, so that the driving mechanism can adapt to the driving of a multi-platform solar tracking system, namely an east-west-oriented multiple rows of solar tracking systems, and realizes the synchronous linkage of the multi-platform solar tracking systems, so that the technical application range of the invention is wider, and the applicability is stronger.

Drawings

FIG. 1 is a schematic structural diagram of a multi-point parallel synchronous driving device according to the present invention.

Fig. 2 is a schematic structural diagram of a system for applying the multi-point parallel synchronous driving device of the present invention to a solar tracking system.

Fig. 3 is an enlarged view of a structure at a in fig. 2.

Fig. 4 is an enlarged view of the structure at B in fig. 2.

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-power take-off/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 hole III and D-fixing hole III;

6-solar energy component.

Detailed Description

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

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

Example 1

As shown in fig. 1, the multipoint parallel synchronous driving device comprises a driving mechanism 1 and a plurality of stages of driven mechanisms 2 which are in transmission connection;

the driving mechanism 1 comprises a first power output end and a second power output end, wherein the first power output end is used for being rotationally connected with the power output shaft 3, and the second power output end is arranged below the first power output end and is parallel to the first power output end along the power output direction, namely the axial direction of the power output shaft;

the driven mechanisms 2 in a plurality of stages are arranged at intervals along the power output direction, 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 power output direction, and the adjacent two stages of driven mechanisms are in transmission connection along the power output direction; and the driven mechanism 2 at any stage comprises a power output end which is used for being rotationally connected with the power output shaft 3.

In this embodiment, when the driving mechanism 1 and the driven mechanism 2 are both rotationally connected to the power output shaft 3, the driving mechanism 1 respectively outputs power to the power output shaft 3 and the adjacent driven mechanism 2 along the axial direction through the first and second power output ends, the driven mechanism 2 correspondingly drives the adjacent driven mechanism 2 to perform synchronous axial transmission, so that the power output ends of the plurality of stages of driven mechanisms 2 can jointly act on the power output shaft to form a multi-point driving power output shaft synchronous rotation fit, and thus the driving mechanism 1 and the driven mechanism 2 are in transmission fit to realize multi-point parallel synchronous driving rotation of the power output shaft.

In a preferred embodiment, several stages of the driven mechanism 2 are evenly spaced on one or both sides of the driving mechanism 1. Therefore, the stability and reliability of the multi-point parallel synchronous driving of the power output shaft 3 can be further improved.

Example 2

As shown in fig. 1, the multipoint parallel synchronous driving device for the solar tracking system comprises a driving mechanism 1 and a plurality of stages of driven mechanisms 2 which are in transmission connection;

the driving mechanism 1 comprises a first power output end and a second power output end, wherein the first power output end is used for being rotationally connected with the power output shaft 3, and the second power output end is arranged below the first power output end and is parallel to the first power output end along the power output direction, namely the axial direction of the power output shaft;

the driving mechanism comprises a worm gear transmission unit I10 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 wheel I (the worm wheel is positioned in a worm wheel shell in the figure and is not shown visually) 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 used for being rotatably connected with a power output shaft;

the plurality of stages of driven mechanisms 2 are arranged at intervals along the power output direction, the driving mechanism 1 is in transmission connection with the power input end of the adjacent driven mechanism 2 along the power output direction through a transmission gear 11, and the adjacent two stages of driven mechanisms 2 are in transmission connection along the power output direction; and the driven mechanism 2 at any stage comprises a power output end which is used for being rotationally connected with the power output shaft 3.

In this embodiment, the driving mechanism 1 adopts a worm and gear transmission unit, and power is respectively output to the power output shaft 3 and the adjacent driven mechanisms 2 along the axial direction 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 power output shaft 3, and the coordination of the multi-point driving power output shaft synchronous rotation 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 a power output shaft under the condition of strong wind.

As a preferred embodiment, a mechanical driving shaft 4 is fixedly connected in the transmission gear 11, and the mechanical driving shaft 4 is arranged at the lower side of the first power output end and is parallel to the power output direction of the first power output end; the driving mechanism 1 is in transmission connection with the power input end of the driven mechanism 2 through a mechanical driving shaft 4; the adjacent driven mechanisms 2 are also in transmission connection through a mechanical driving shaft 4. Therefore, synchronous matched transmission between the driving mechanism 1 and the plurality of stages of driven mechanisms 2 is realized through the mechanical driving shaft 4, the driving mechanism 1 outputs power to the power output shaft 3 and the mechanical driving shaft 4 respectively through the worm wheel I and the transmission gear 11 along the axial direction, the mechanical driving shaft 4 drives the adjacent driven mechanisms 2 and then correspondingly drives the adjacent driven mechanisms 2 to carry out axial transmission, and then the power output ends of the plurality of stages of driven mechanisms 2 jointly act on the power output shaft 3 to form synchronous rotating matching of the multi-point driving power output shaft 3. When power output shaft 3 is connected in practical application, on the basis of utilizing worm gear transmission's big moment, because mechanical drive shaft 4 and power output shaft 3 design are two way parallel synchronous outputs, only need do in original power output shaft's space and arrange, do not need additionally to occupy bigger space, it is all more convenient that the installation is arranged and is maintained.

On the basis of the 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 I100, so that the motor drives the worm I100 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 further drives the worm I100 and the worm wheel I to rotate. Thereby the arrangement of the driving motor is more flexible and convenient.

Preferably, the driven mechanism 2 comprises a worm gear transmission unit II 20 and a connecting piece 21 serving as a power input end; the worm gear and worm transmission unit II 20 comprises a worm II 200 and a worm gear II (the worm gear in the figure is positioned in a worm gear shell and is not visually shown) 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 used for being rotatably connected with the power output shaft 3.

Therefore, the scheme provides an optimal arrangement form of the driven mechanisms 2, the worm and gear transmission unit is utilized, the driving mechanism 1 outputs power to the power output shaft 3 and the mechanical driving shaft 4 through the worm wheel I and the transmission gear 11 respectively along the axial direction in parallel, the adjacent driven mechanisms 2 are driven by the mechanical driving shaft 4 in a synchronous mode to realize axial transmission, and then the power output ends of the driven mechanisms 2 in a plurality of stages can act on the power output shaft 3 together, the coordination of the multi-point driving power output shaft in synchronous rotation is formed, and the stability of the device for synchronous driving of the power output shaft can be effectively improved.

Preferably, 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 one mechanical driving shaft, 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, when needs use the linkage of the parallel synchronous drive device of multiunit multiple spot, only need set up a driving motor to corresponding setting up a controller (driving motor and controller can rely on stand 5 to support fixedly), the controller adopts the singlechip, the singlechip is connected with the driving motor electricity, and all drive gear and connecting piece (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, or 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 head and the tail, can adapt to different topography like this, and synchronous drive has 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 multipoint parallel synchronous driving devices can be arranged into a plurality of parallel rows according to requirements, and the worms of the adjacent 2 rows of driving devices are in corresponding transmission connection respectively. Specifically, a worm I100 in the driving device of the 1 st row is in transmission connection with a worm I100 in the driving devices of the 2 nd row and the nth row, and a plurality of stages of worms II 200 in the driving device of the 1 st row are in one-to-one corresponding transmission connection with a plurality of stages of worms II 200 in the driving devices of the 2 nd row and the nth row. In practical application, transmission connection is realized through the transmission shaft, so that synchronous linkage of multiple rows of driving devices is realized.

In the matching design of the driving mechanism and the driven mechanism, the worms of the two adjacent rows of driving devices are in transmission connection, and the driving mechanism can also be applied to synchronously driving the multiple rows of main shafts, so that the driving mechanism is suitable for driving a multi-platform solar tracking system, namely an east-west-oriented multiple rows of solar tracking systems, realizes the synchronous linkage of the multi-platform solar tracking systems, and has wider technical application range and stronger applicability.

Preferably, a worm gear shell II 201 with mounting holes is fixed on two sides of the worm gear II along the power output direction, and the mounting holes are used for rotatably penetrating the power output shaft 3. Thereby, the mounting of the power take-off shaft 3 is facilitated. 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. 4, 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 a mechanical driving shaft to the worm II 200 of the driven mechanism, and 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 5 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 power output shaft 3 and the worm gear ii is realized.

In another preferred embodiment, a worm gear housing i 101 with mounting holes for rotatably connecting the power output shaft 3 is fixed on both sides of the worm gear i along the power output direction. Thereby, the mounting of the power take-off shaft 3 is facilitated.

On the basis of the above embodiment, a specific application of the technical scheme of the multipoint parallel synchronous driving device of the invention in a solar tracking system is also provided, and the obtained application performance is extremely excellent, such as the following application examples 1-3.

Application example 1

As shown in fig. 1 to 4, the multi-point parallel synchronous driving device of embodiments 1 to 3 is applied to a solar tracking system to obtain the multi-point parallel synchronous driving solar tracking system of the present embodiment. Specifically, the method comprises the following steps:

the multipoint parallel synchronous driving solar tracking system comprises a main shaft 3 and a plurality of stand columns 5 for supporting the main shaft 3, wherein the main shaft 3 is used for fixedly arranging a solar component 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 3; 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 2 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 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 application example, 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, the driven mechanisms 2 correspondingly drive the adjacent driven mechanisms 2 to axially transmit, and then the power output ends of the plurality of stages of driven mechanisms 2 jointly act on the main shaft 3, so as to form the coordination of the multi-point driving main shaft 3 in synchronous rotation. 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. In addition, two paths of power of the driving mechanism 1 are output in parallel along the direction of the main shaft 3, so that the operation and maintenance of the system in the north-south direction are convenient. 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 application example, the driven mechanisms 2 are evenly spaced on one side 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.

Application 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 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 3; 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 the application example, the driving mechanism 1 adopts a worm gear transmission structure, power is respectively output to the main shaft 3 and the adjacent driven mechanisms 2 along the axial direction through the worm gear I and the transmission gear 11, and then the adjacent driven mechanisms 2 are correspondingly driven to carry out axial transmission, so that the power output ends of the driven mechanisms 2 of a plurality of stages jointly act on the main shaft 3, and the synchronous rotating matching of the multi-point driving main shaft 3 is formed. 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 worm and gear output, 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. In addition, the parallel driving of the application example can effectively reduce the shielding of the transmission component on the solar component, particularly the double-sided component, so that the system design is more flexible.

In the above application example, 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 application example, 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 preferable application example, a worm gear housing i 101 with a mounting hole 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 hole; 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 main shaft 3 is rotatably sleeved in the worm wheel I in the worm wheel and worm transmission unit I10 of the application example 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 preferable application example, 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 application example provides preferred arrangement form of follower 2, has utilized worm gear transmission structure equally, and actuating mechanism exports power to main shaft 3, mechanical drive axle 4 along the axial respectively through worm wheel I, drive gear 11, and mechanical drive axle 4 transmits axial rotation to connecting piece 21 and then transmits to worm II 200 to, drive adjacent follower 2 synchronous axial transmission through mechanical drive axle 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 cooperation of the synchronous pivoted of multiple spot drive main shaft 3. 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).

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 respectively in corresponding transmission connection, so that multi-row synchronous linkage of the photovoltaic tracking system is realized. Specifically, the worm I100 in the main shaft 3 in the 1 st row is in one-to-one corresponding transmission connection with the worms I100 in the main shafts 3 in the 2 nd row and up to the nth row, and the worms II 200 in the main shafts 3 in the 1 st row are in one-to-one corresponding transmission connection with the worms II 200 in the main shafts 3 in the 2 nd row and up to the nth row. In practical application, transmission connection is realized through the transmission shaft, so that multi-row synchronous linkage is realized.

The matching form of the driving mechanism and the driven mechanism can also adapt to a multi-platform tracking system (namely the driving of east-west multi-row tracking systems), and the synchronous linkage of the multi-platform tracking system can be realized by carrying out transmission connection on the worms of two adjacent rows of tracking systems, so that the technical application range of the invention is wider, and the applicability 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 and the driven mechanism, 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. 4, 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.

Application example 3

In this application example, in addition to the application examples 1 and 2, it should be noted that other columns 5 that individually support the main shaft may be provided in addition to the column 5 that synchronously supports the main shaft 3, the driving mechanism 1, and the driven mechanism 2. 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 upright post 5 in the invention can be applied to different fixed scenes, supports and fixes the main shaft 3, the driving mechanism 1 and the driven mechanism 2, and is connected with a foundation or directly used as the foundation to support the main shaft 1. In practical application, the bearing is preferably a polymer bearing.

In addition, the multipoint parallel synchronous driving device can also be applied to other suitable working scenes, and is not limited to a solar tracking system.

It should be noted that the above application examples 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, various 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.