CN214311457U

CN214311457U - Rotary driving device and photovoltaic tracking system

Info

Publication number: CN214311457U
Application number: CN202120618392.3U
Authority: CN
Inventors: 俞正明; 陶华; 刘永青
Original assignee: Anhui Rongxinda Intelligent Equipment Co ltd
Current assignee: Anhui Rongxinda Intelligent Equipment Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-09-28
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a photovoltaic support technical field discloses a rotary driving device and photovoltaic tracker. The swing drive device includes: a drive member; the planetary gear piece is connected with the power shaft of the driving piece; the enveloping worm is connected with the planetary gear piece, so that the driving piece drives the enveloping worm to rotate in the axial direction of the enveloping worm through the planetary gear piece; the fan-shaped worm wheel shaft is meshed with the outside of the enveloping worm, and the axial direction of the fan-shaped worm wheel shaft is perpendicular to the axial direction of the enveloping worm. The utility model discloses in, rotary drive device simple structure, be convenient for installation, cost are lower, and are convenient for maintain, promote the reliability, are favorable to stably realizing rotary drive.

Description

Rotary driving device and photovoltaic tracking system

Technical Field

The utility model relates to a photovoltaic support technical field especially relates to a rotary driving device and photovoltaic tracker.

Background

In photovoltaic power generation, the more light energy absorbed by the solar cell panel interface layer, the more current is generated. When sunlight vertically irradiates the surface of the solar cell panel, the photovoltaic effect is optimal, and the photoelectric conversion efficiency is highest. People can not drag the sun to aim at the solar panel to keep vertical irradiation, but can make the solar panel move along with the movement of the sun, and the optimal state of vertically receiving sunlight is kept from sunrise to sunset. The method is called as a photovoltaic tracking technology, and a rotation driving device is required to be used in the photovoltaic tracking technology

Therefore, it is necessary to provide a swing driving device and a photovoltaic tracking system that have a simple structure, are convenient to install, have a low cost, are convenient to maintain, improve reliability, and are beneficial to stably realizing swing driving.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a slewing drive device and photovoltaic tracking system, slewing drive device adopt driving motor-the scheme of taking reduction gear box, and the installation has the convenience, and the cost has advantages such as with low costs, maintenance convenience than single motor-worm gear case slewing drive.

The utility model provides a technical scheme as follows:

a swing drive apparatus comprising:

a drive member;

the planetary gear piece is connected with the power shaft of the driving piece;

the enveloping worm is connected with the planetary gear piece, so that the driving piece drives the enveloping worm to rotate in the axial direction of the enveloping worm through the planetary gear piece;

the fan-shaped worm wheel shaft is meshed with the outside of the enveloping worm, and the axial direction of the fan-shaped worm wheel shaft is perpendicular to the axial direction of the enveloping worm.

In the technical scheme, the enveloping worm has a large transmission ratio, has more teeth for simultaneously contacting and bearing than a cylindrical worm, and has stronger bearing capacity, excellent self-locking performance and reliable use; the worm gear pair with the ring surface has a large reduction ratio, can form reverse self-locking, and drives the worm gear main shaft to rotate by amplifying the torque of the worm gear pair, and the photovoltaic panel is arranged on the main shaft and drives the photovoltaic panel to face the sun for power generation; the rotary driving device adopts a scheme of driving a motor and a reduction gear box, has convenient installation and has the advantages of low cost, convenient maintenance and the like compared with the rotary driving of a single motor and a worm gear box.

Further preferably, the driving member and the planetary gear member are respectively located on the same side of the toroidal worm, a first-stage sun gear of the planetary gear member is connected with a power shaft of the driving member, and a last-stage planet carrier of the planetary gear member is connected with one end of the toroidal worm.

Among this technical scheme, rotation driving device structural design is compact, and the driving piece is arranged at any side of east and west direction, has saved the length of north and south direction, has also shortened the assembly space among the whole photovoltaic tracking mounting system.

Further preferably, the driving member, the planetary gear member and the enveloping worm are located in the same axial direction.

Further preferably, the anchor rod is provided with a blind hole at the end part close to one end of the planetary gear piece, a connecting shaft is arranged on the last-stage planet carrier of the planetary gear piece, the connecting shaft is inserted in the blind hole in an adaptive manner, the connecting shaft is provided with a key groove, and a key is arranged in the key groove, so that the connecting shaft is fixedly connected with the planetary gear piece.

In the technical scheme, the shaft end of the enveloping worm is designed as a blind hole and is connected with the planetary gear driving gear through the blind hole, and the batch installation and production of the enveloping worm are facilitated by the blind hole connection mode.

Further preferably, the method further comprises the following steps:

one end of the enveloping worm, which is close to the planetary gear piece, is in adaptive connection with an inner ring of the first bearing, and an outer ring of the first bearing is fixedly arranged;

and one end of the ring surface worm, which is far away from the planetary gear piece, is in adaptive connection with the inner ring of the second bearing, and the outer ring of the second bearing is fixedly arranged.

Further preferably, the fan-shaped worm gear shaft is arranged on the upper side of the enveloping worm, and the first bearing and the second bearing are symmetrically arranged on two sides of the fan-shaped worm gear shaft.

Further preferably, the fan-shaped worm wheel shaft is provided with an axial mounting hole, the mounting piece is mounted in the mounting hole in an adaptive mode, two ends of the mounting piece extend out of the mounting hole, the axial direction of the mounting piece is perpendicular to the axial direction of the ring surface worm, and two ends of the mounting piece are respectively provided with a plurality of connecting holes for mounting the main shaft.

Among this technical scheme, fan-shaped worm-gear axle is equipped with axial mounting hole, and the installed part adaptation is installed in the mounting hole, through selecting for use different installed parts, can adapt to the installation of various specification and dimension main shafts, and does not receive fan-shaped worm-gear axle's size influence.

Further preferably, the method further comprises the following steps:

the ring surface worm and the fan-shaped worm wheel shaft are arranged in the shell, and the planetary gear piece is internally or externally arranged in the shell.

Further preferably, the housing further comprises:

the mounting seat is arranged at the bottom of the machine shell, a plurality of waist holes are formed in the periphery of the mounting seat, and the mounting seat is used for being fixed on an upright post of the photovoltaic tracking system;

and the oil filling port is arranged on the shell and is positioned on the outer side of the joint of the fan-shaped worm wheel shaft and the ring-surface worm.

In the technical scheme, the enveloping worm is arranged at the bottom of the shell and adopts grease lubrication and an oil injection port, so that the using amount of lubricating grease is saved, the lubricating and effective sealing effects of a transmission box are ensured, the cost is reduced, and the maintenance-free time is longer; the rotary driving device adopts a driving motor with a reduction gear box, can realize series driving in the north and south directions, and has strong terrain adaptability and reliability; and the installation basis of the rotary driving device can be directly installed on the upright post, so that the installation is convenient.

The utility model provides another technical scheme as follows:

a photovoltaic tracking system comprises the slewing drive device.

Compared with the prior art, the utility model discloses a swing drive and photovoltaic tracker beneficial effect lies in:

in the utility model, the enveloping worm has large transmission ratio, more teeth are contacted and stressed at the same time compared with the cylindrical worm, the bearing capacity is stronger, and meanwhile, the self-locking performance of the enveloping worm is excellent and the use is reliable; the worm gear pair with the ring surface has a large reduction ratio, can form reverse self-locking, and drives the worm gear main shaft to rotate by amplifying the torque of the worm gear pair, and the photovoltaic panel is arranged on the main shaft and drives the photovoltaic panel to face the sun for power generation; the rotary driving device adopts a scheme of driving a motor and a reduction gear box, has convenient installation and has the advantages of low cost, convenient maintenance and the like compared with the rotary driving of a single motor and a worm gear box.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

Fig. 1 is a schematic structural view of a swing drive apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a swing drive apparatus according to another embodiment of the present invention;

fig. 3 is a schematic structural view of another view angle of a swing driving apparatus according to another embodiment of the present invention;

FIG. 4 is a cross-sectional view of a swing drive according to another embodiment of the present invention;

fig. 5 is a schematic structural diagram of a swing driving apparatus according to another embodiment of the present invention.

The reference numbers illustrate:

1. the driving piece, 2, the planetary gear piece, 21, the connecting shaft, 3, the enveloping worm, 31, the blind hole, 4, the fan-shaped worm wheel shaft, 41, the mounting hole, 51, the first bearing, 52, the second bearing, 6, the mounting piece, 61, the connecting hole, 7, the machine shell, 71, the mounting seat, 711, the waist hole and 72, the oil injection port.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

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. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

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.

As a specific embodiment, as shown in fig. 1 to 3, the present embodiment provides a swing drive apparatus including: a driving piece 1, a planetary gear piece 2, a ring surface worm 3 and a fan-shaped worm wheel shaft 4. The planetary gear member 2 is connected with a power shaft of the driving member 1, and the enveloping worm 3 is connected with the planetary gear member 2, so that the driving member 1 drives the enveloping worm 3 to rotate in the axial direction thereof through the planetary gear member 2. The fan-shaped worm wheel shaft 4 is externally meshed with the ring-surface worm 3, and the axial direction of the fan-shaped worm wheel shaft 4 is vertical to the axial direction of the ring-surface worm 3.

In the embodiment, the enveloping worm 3 has a large transmission ratio, more teeth are contacted and stressed at the same time compared with a cylindrical worm, the bearing capacity is stronger, and meanwhile, the enveloping worm 3 has excellent self-locking performance and is reliable to use; the worm gear pair with the ring surface has a large reduction ratio, can form reverse self-locking, and drives the worm gear main shaft to rotate by amplifying the torque of the worm gear pair, and the photovoltaic panel is arranged on the main shaft and drives the photovoltaic panel to face the sun for power generation; the rotary driving device adopts a scheme of driving a motor and a reduction gear box, has convenient installation and has the advantages of low cost, convenient maintenance and the like compared with the rotary driving of a single motor and a worm gear box.

Specifically, the driving member 1 may be a driving component such as a motor, and the driving member 1 may be disposed on the rotation driving device, or may be a power source from outside the rotation driving device; planetary gear spare 2 is connected with the power shaft of driving piece 1, and planetary gear spare 2 accessible area keyway hole is direct to be connected with the power shaft, also can be connected with the power shaft through connecting pieces such as shaft couplings, and the power shaft of driving piece 1 drives the anchor worm 3 through planetary gear spare 2 and rotates when rotating.

The planetary gear member 2 is provided as a multi-stage planetary gear set, such as a three-stage planetary gear set, more preferably a four-stage planetary gear set. The first stage sun gear of the multi-stage planetary gear set is connected with the power shaft of the driving part 1, and the last stage planet carrier of the multi-stage planetary gear set is connected with one end of the ring surface worm 3. Through setting up planetary gear spare 2, make the drive torque of driving piece 1 enlarge through the planetary gear speed reduction, the transmission route is short, and efficiency is higher. The driving piece 1 and the planetary gear piece 2 are respectively positioned on the same side of the enveloping worm 3, and the driving piece 1 and the planetary gear piece 2 can be arranged on any side of the east-west direction, so that the length in the north-south direction is saved, and the assembly space in the whole photovoltaic tracking support system is also shortened.

In another embodiment, as shown in fig. 1 to 4, the driving member 1, the planetary gear member 2 and the toroidal worm 3 are located in the same axial direction on the basis of the above-mentioned embodiments. The tip that the anchor ring worm 3 is close to the one end of planetary gear spare 2 is equipped with blind hole 31, is equipped with connecting axle 21 on the last stage planet carrier of planetary gear spare 2, and connecting axle 21 adaptation is inserted and is established in blind hole 31, and connecting axle 21 is equipped with the keyway, and the built-in key that is equipped with of keyway for connecting axle 21 and planetary gear spare 2 fixed connection. The shaft end of the enveloping worm 3 is designed as a blind hole, and is connected with the planetary gear piece 2 through the blind hole 31, and the enveloping worm 3 is convenient to be installed and produced in batches in a blind hole connection mode.

Further, as shown in fig. 2, the slewing drive device further includes a first bearing 51 and a second bearing 52, one end of the toroidal worm 3 close to the planetary gear member 2 is fittingly connected with an inner ring of the first bearing 51, and an outer ring of the first bearing 51 is fixedly disposed. One end of the enveloping worm 3 far away from the planetary gear member 2 is in fit connection with the inner ring of the second bearing 52, and the outer ring of the second bearing 52 is fixedly arranged. The sector worm wheel shaft 4 is disposed on the upper side of the torus worm 3, and the first bearing 51 and the second bearing 52 are symmetrically disposed on both sides of the sector worm wheel shaft. The rotation of the enveloping worm 3 is realized through the connection mode of the bearing, so that the installation is simple and the structure is stable.

As shown in fig. 1 and 4, the fan-shaped worm gear shaft 4 is provided with an axial mounting hole 41, the mounting member 6 is adapted to be mounted in the mounting hole 41, so that two ends of the mounting member 6 extend out of the mounting hole 41, the axial direction of the mounting member 6 is perpendicular to the axial direction of the torus worm 3, and two ends of the mounting member 6 are respectively provided with a plurality of connecting holes 61 for mounting the main shaft. The fan-shaped worm wheel shaft 4 is provided with an axial mounting hole 41, the mounting part 6 is adapted to be mounted in the mounting hole 41, and the mounting part 6 can be adapted to mounting of various main shafts (such as main shafts of circular pipes, square pipes and D-shaped pipe structures) with different specifications and dimensions without being influenced by the size of the fan-shaped worm wheel shaft 4.

In another embodiment, as shown in fig. 5, on the basis of the above embodiment, the slewing drive device further includes a housing 7, the toroidal worm 3 and the sector worm gear shaft 4 are disposed inside the housing 7, and the planetary gear member 2 is disposed inside or outside the housing 7. The housing 7 further includes: the mounting seat 71 is arranged at the bottom of the machine shell 7, a plurality of waist holes 711 are formed in the periphery of the mounting seat 71, and the mounting seat 71 is used for being fixed on a vertical column of the photovoltaic tracking system. The oil injection port 72 is provided in the casing 7 outside the junction of the sector worm wheel shaft 4 and the enveloping worm 3. The enveloping worm 3 is arranged at the bottom of the casing 7, and adopts grease lubrication and oil injection ports, thereby not only saving the using amount of lubricating grease, but also ensuring the lubrication and effective sealing effect of the transmission box, reducing the cost and having longer maintenance-free time. The rotary driving device adopts a driving motor with a reduction gear box, can realize series driving in the north and south directions, and has strong terrain adaptability and reliability; and the installation basis of the rotary driving device can be directly installed on the upright post, so that the installation is convenient.

In another embodiment, as shown in fig. 1, on the basis of the above embodiments, the present embodiment provides a photovoltaic tracking system, which includes the slewing drive device in any of the above embodiments. The rotary driving device adopts a motor with a reduction gear box, the enveloping worm 3 has a large transmission ratio compared with a cylindrical worm, has more teeth for simultaneously contacting and bearing force, has stronger bearing capacity, can better transmit the torsion of the driving piece 1 and the fan-shaped turbine shaft 4, and can also reduce the weight of a product. In addition, the ring surface worm 3 and the fan-shaped turbine shaft 4 are self-locking, if the whole rotation torsion of the main shaft exceeds the ring surface worm 3 due to the occurrence of strong wind, the main shaft can be prevented from further rotating through the self-locking function, and therefore the photovoltaic tracking system is prevented from being damaged in the process of overlarge torque, and the whole photovoltaic tracking system is protected. The photovoltaic module is installed on the main shaft, and the main shaft rotates and drives the photovoltaic module to rotate, realizes the series connection drive of photovoltaic tracking system in the north-south direction, and topography strong adaptability.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

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. A swing drive apparatus, comprising:

a drive member;

2. The swing drive apparatus according to claim 1, wherein:

the driving piece with planetary gear spare is located respectively with one side of anchor ring worm, planetary gear spare first order sun gear with the power shaft of driving piece is connected, planetary gear spare's final stage planet carrier with the one end of anchor ring worm is connected.

3. The swing drive apparatus according to claim 2, wherein:

the driving piece, the planetary gear piece and the ring surface worm are positioned on the same axial direction.

4. A swing drive apparatus as claimed in claim 3, wherein:

the anchor rod is characterized in that a blind hole is formed in the end part, close to one end of the planetary gear piece, of the ring surface worm, a connecting shaft is arranged on a last-stage planet carrier of the planetary gear piece, the connecting shaft is inserted into the blind hole in an adaptive mode, a key groove is formed in the connecting shaft, and a key is arranged in the key groove, so that the connecting shaft is fixedly connected with the planetary gear piece.

5. The swing drive apparatus according to claim 1, further comprising:

6. The swing drive apparatus according to claim 5, wherein:

the fan-shaped worm wheel shaft is arranged on the upper side of the enveloping worm, and the first bearing and the second bearing are symmetrically arranged on two sides of the fan-shaped worm wheel shaft.

7. The swing drive apparatus according to claim 6, wherein:

the fan-shaped worm wheel shaft is provided with an axial mounting hole, the mounting piece is mounted in the mounting hole in an adaptive mode, so that two ends of the mounting piece extend out of the mounting hole, the axial direction of the mounting piece is perpendicular to the axial direction of the ring surface worm, and two ends of the mounting piece are respectively provided with a plurality of connecting holes for mounting the main shaft.

8. The swing drive apparatus according to claim 1, further comprising:

9. The swing drive of claim 8, wherein the housing further comprises:

10. A photovoltaic tracking system comprising a slewing drive device as claimed in any one of claims 1-9.