CN211009775U

CN211009775U - Photovoltaic tracker deceleration system

Info

Publication number: CN211009775U
Application number: CN201922045160.9U
Authority: CN
Inventors: 陈创修; 袁流燕; 李科庆; 李春阳; 罗易; 周承军
Original assignee: Zhejiang Astronergy New Energy Development Co Ltd
Current assignee: Zhejiang Astronergy New Energy Development Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-14
Anticipated expiration: 2029-11-21

Abstract

The utility model provides a photovoltaic tracker deceleration system, including supporting mechanism, actuating mechanism, drive mechanism and rotor, wherein: the rotor is movably connected to the top of the supporting mechanism and can rotate and move along the circumferential direction; the transmission mechanism comprises a roller chain disc and a chain wheel: the roller chain disc is coaxially connected to the power output end of the driving mechanism and can rotate and move along with the power output end of the driving mechanism; the chain wheel is coaxially connected with the rotor and meshed with the roller chain disc through chain teeth arranged on the periphery of the wheel body; the chain wheel can rotate and move along with the roller chain disc to obtain torsional force, and then the rotor is driven to coaxially rotate and move. The photovoltaic tracker deceleration system creatively provides that the roller chain disc and the chain wheel are used as the transmission mechanism, the power transmission performance and the system bearing capacity can be effectively improved, meanwhile, the working reliability of the system can be effectively ensured, and the system maintenance and repair cost is reduced.

Description

Photovoltaic tracker deceleration system

Technical Field

The utility model relates to a photovoltaic tracker speed reduction technical field especially relates to a photovoltaic tracker speed reduction system.

Background

With the development of clean energy, photovoltaic modules are applied more and more, and as core components for converting solar energy into electric energy, the installation and placement of the photovoltaic modules are very important. In a photovoltaic power generation system, in order to improve photoelectric conversion capability, a photovoltaic module is often placed on a fixed support facing the sunlight direction in a conventional photovoltaic module system.

Because photovoltaic power generation's generating efficiency receives the influence of sunlight irradiation angle great, therefore make solar cell panel's orientation move along with sunlight irradiation angle, can effectual promotion photovoltaic module's photoelectric conversion efficiency. The existing photovoltaic tracking device generally drives a rotor to track the incident angle of light rays through meshing transmission of a gear speed reducing mechanism. However, the existing photovoltaic tracker deceleration system is high in cost, poor in reliability, large in fit clearance between gear teeth, low in transmission torsional force and not suitable for heavy-duty working conditions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a photovoltaic tracker speed reduction system for promote power transmission ability, and then effectively guarantee the job stabilization nature of system, photovoltaic tracker speed reduction system includes supporting mechanism, actuating mechanism, drive mechanism and rotor, wherein:

the rotor is movably connected to the top of the supporting mechanism and can rotate and move along the circumferential direction;

the transmission mechanism comprises a roller chain disc and a chain wheel: the roller chain disc is coaxially connected to the power output end of the driving mechanism and can rotate and move along with the power output end of the driving mechanism; the chain wheel is coaxially connected with the rotor and meshed with the roller chain disc through chain teeth arranged on the periphery of the wheel body;

the chain wheel can rotate and move along with the roller chain disc to obtain torsional force, and then the rotor is driven to coaxially rotate and move.

In specific implementation, the roller chain disc comprises two flange plates and a plurality of rollers, wherein:

the two flange plates are arranged oppositely, and the plurality of rollers are uniformly arranged between the two flange plates along the circumferential direction of the flange plates.

In specific implementation, the chain wheel is a sector chain wheel, and two ends of the meshing area of the sector chain wheel are provided with limiting bosses.

In a specific implementation, the supporting mechanism comprises two upright columns, and the two upright columns are arranged in parallel along the axial direction of the rotor.

In a specific implementation, the rotor is coaxially connected to the sprocket through a sprocket shaft and movably connected to the supporting mechanism, wherein:

two the top of stand all is provided with first axle sleeve, the both ends of sprocket shaft all are cylindricly and run through one respectively first axle sleeve to visit out to two the outside of stand, the shaft hole of sprocket with the cover that the shape of sprocket shaft middle part agrees with mutually is admittedly in the sprocket shaft, the rotor includes two sections main shafts, two sections the main shaft respectively solid connection in the both ends of sprocket shaft.

In specific implementation, the shaft hole of the chain wheel and the middle part of the chain wheel shaft are both square.

In a specific implementation, the main shaft is fixedly connected to the sprocket shaft through a connecting piece, wherein:

the connecting piece is fixedly sleeved at the outer end of the chain wheel shaft through a round hole arranged at one end, and the inner shape of the main shaft is fixedly sleeved outside the connecting piece and matched with the outer shape of the connecting piece.

In a specific implementation, the roller chain disc is coaxially connected to the power output end of the driving mechanism through a chain disc shaft, wherein:

the middle parts of the two stand columns are respectively provided with a second shaft sleeve, two ends of the chain disc shaft are cylindrical and respectively penetrate through the second shaft sleeves so as to extend out of the outer sides of the two stand columns, the power output end of the driving mechanism is fixedly connected to one end of the chain disc shaft, and the roller chain disc is arranged between the two stand columns and fixedly sleeved in the middle of the chain disc shaft.

In specific implementation, the photovoltaic tracker deceleration system further comprises a universal joint, wherein the universal joint is fixedly connected to the other end of the chain disc shaft and is coaxially connected to the power output end of the driving mechanism, so that the torsional force provided by the driving mechanism is obtained.

In specific implementation, the chain wheel shaft and the chain disc shaft are fixedly connected through an internal spline and an external spline.

In specific implementation, the driving mechanism comprises a motor and a speed reducer, and the speed reducer is fixedly connected to the side wall of the supporting mechanism.

In specific implementation, the first shaft sleeve and the second shaft sleeve are both self-lubricating engineering plastic shaft sleeves or metal shaft sleeves internally provided with lubricating grease.

In a specific implementation, the speed reducer is a worm gear speed reducer.

In specific implementation, the upright is a C-shaped steel upright.

The utility model provides a photovoltaic tracker deceleration system, which comprises a supporting mechanism, a driving mechanism, a transmission mechanism and a rotor, wherein the rotor is movably connected to the top of the supporting mechanism and can circumferentially and selectively move; the transmission mechanism comprises a roller chain disc and a chain wheel: the roller chain disc is coaxially connected with the power output end of the driving mechanism and can selectively move after acquiring the torsional force provided by the driving mechanism; the chain wheel is coaxially connected with the rotor and is meshed with the roller chain disc through chain teeth on the periphery of the wheel body; the chain wheel can selectively move along with the roller chain disc to obtain a torsional force, so that the rotor is driven to coaxially rotate and move. Aiming at the defects that the conventional speed reduction system is high in cost, poor in reliability, large in fit clearance and easy to detach a chain, the speed reduction system for the photovoltaic tracker creatively provides that a roller chain disc and a chain wheel are used as a transmission mechanism, so that the power transmission performance and the system bearing capacity can be effectively improved, the working reliability of the system can be effectively guaranteed, and the system maintenance and repair cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts. In the drawings:

fig. 1 is a side view of a photovoltaic tracker reduction system according to an embodiment of the present invention;

fig. 2 is an exploded view of a photovoltaic tracker reduction system according to an embodiment of the present invention;

fig. 3 is an exploded side view of a photovoltaic tracker reduction system according to an embodiment of the present invention;

fig. 4 is a front view of a photovoltaic tracker reduction system according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a flange and a roller according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a photovoltaic tracker deceleration system for promote power transmission ability, and then effectively guarantee the job stabilization nature of system, photovoltaic tracker deceleration system includes supporting mechanism 100, actuating mechanism 200, drive mechanism 300 and rotor 400, wherein:

the rotor 400 is movably connected to the top of the supporting mechanism 100 and can rotate and move along the circumferential direction;

the drive mechanism 300 includes a roller chain plate 310 and a sprocket 320: the roller chain disc 310 is coaxially connected to the power output end of the driving mechanism 200 and can rotate and move along with the power output end of the driving mechanism 200; the chain wheel 320 is coaxially connected to the rotor 400 and is meshed with the roller chain disc 310 through chain teeth arranged on the periphery of the wheel body;

the sprocket 320 can rotate with the roller chain disk 310 to obtain a torsional force, so as to drive the rotor 400 to rotate coaxially.

In particular implementations, the roller chain discs 310 may be arranged in a variety of embodiments. For example, as shown in fig. 3 and 5, the roller chain plate 310 may include two flange plates 313 and a plurality of rollers 314, wherein: the two flange plates 313 may be disposed to face each other, and the plurality of rollers 314 may be uniformly disposed between the two flange plates 313 in the circumferential direction of the flange plates 313.

In particular implementations, the sprocket 320 can be provided in a variety of embodiments. For example, as shown in fig. 2 and 4, since the rotor 400 does not need to rotate at a large angle, the sprocket 320 may be a sector sprocket 320, and further, in order to improve the operational reliability of the system under high wind conditions and prevent the roller chain plate 310 from separating from the sector sprocket 320 to perform a limiting function, both ends of the meshing region of the sector sprocket 320 may be provided with limiting bosses in the shape of inside buckles.

In particular implementations, the support mechanism 100 can be provided in a variety of embodiments. For example, as shown in fig. 1, 2 and 3, in order to ensure smooth operation of the rotor 400 and avoid shaking, the supporting mechanism 100 may include two vertical columns 110, and the two vertical columns 110 may be arranged in parallel along the axial direction of the rotor 400. Furthermore, the two upright columns 110 can be integrally formed upright columns 110, and mounting holes for the roller chain disc 310 and the chain wheel 320 can be preset on the upright columns, so that the transmission tightness of the roller chain disc 310 and the chain wheel 320 is effectively ensured, and chain dropping is prevented.

In one embodiment, the rotor 400 can be coupled to the sprocket 320 and the support mechanism 100 in a variety of embodiments. For example, as shown in fig. 1, fig. 2 and fig. 3, the rotor 400 may be coaxially connected to the sprocket 320 by a sprocket shaft 321 and movably connected to the supporting mechanism 100, wherein: two the top of stand 110 all is provided with first axle sleeve 322, the both ends of sprocket 321 all are cylindricly and run through one respectively first axle sleeve 322, in order to find out to two the outside of stand 110, the shaft hole of sprocket 320 with the cover that the shape of sprocket 321 middle part agrees with mutually admittedly in sprocket 321, rotor 400 includes two sections main shafts 410, two sections main shaft 410 link firmly respectively in the both ends of sprocket 321. The shaft hole of sprocket 320 agrees with sprocket shaft 321 middle part shape mutually, can effectively guarantee connection stability, and further, the shaft hole of sprocket 320 can be multiple shape with sprocket shaft 321 middle part shape when setting up, for example, the shaft hole of sprocket 320 with the middle part of sprocket shaft 321 can all be the square.

In particular embodiments, the connection of the main shaft to the sprocket shaft 321 may be configured in a variety of ways. For example, as shown in fig. 2 and 3, since the rotor 400 has a large load and a high requirement for connection stability, the main shaft 410 may be fixedly connected to the sprocket shaft 321 through a connecting member 411, wherein: the connecting element 411 may be fixed to the outer end of the sprocket shaft 321 through a circular hole formed at one end, and the inner shape of the main shaft 410 is fixed to the outer portion of the connecting element 411 in a manner of fitting the outer shape of the connecting element 411.

In one embodiment, as shown in fig. 2 and 3, the roller chain disk 310 may be connected to the power output end of the driving mechanism 200 in various ways. For example, the roller chain discs 310 may be coaxially connected to the power take-off of the drive mechanism 200 by a disc shaft 311, wherein: the middle parts of the two upright columns 110 are respectively provided with a second shaft sleeve 312, two ends of the chain disc shaft 311 are cylindrical and respectively penetrate through the second shaft sleeves 312 so as to extend out of the outer sides of the two upright columns 110, the power output end of the driving mechanism 200 is fixedly connected to one end of the chain disc shaft 311, and the roller chain disc 310 is arranged between the two upright columns 110 and fixedly sleeved in the middle part of the chain disc shaft 311. The chain disc shaft 311 is arranged between the two upright posts 110, so that the working stability of the transmission mechanism 300 can be effectively guaranteed, and the torque output is further improved.

In a specific implementation, as shown in fig. 1, fig. 2 and fig. 3, the photovoltaic tracker deceleration system may further include a universal joint 500, where the universal joint 500 is fixedly connected to the other end of the chain wheel shaft 311 to be coaxially connected to the power output end of the driving mechanism 200, so as to obtain the torsional force provided by the driving mechanism 200. The universal joint 500 is arranged, so that the multidirectional transmission function of the system can be realized, namely, a plurality of photovoltaic trackers share the same driving mechanism 200, and the system cost is effectively reduced.

In specific implementation, the connection between the sprocket shaft 321 and the sprocket shaft 311 may further have a reinforcing structure, and further, the reinforcing structure may have various schemes in implementation, for example, the sprocket shaft 321 and the sprocket shaft 311 may both be fixedly connected through an internal spline and an external spline, so as to effectively improve connection stability.

In particular implementations, the drive mechanism 200 may be selected for use in its configuration in a variety of embodiments. For example, as shown in fig. 2, 3 and 4, the driving mechanism 200 may include a motor 210 and a speed reducer 220, a power output end of the electrode is connected to a power input end of the speed reducer 220, a power output end of the speed reducer 220 is connected to the chain wheel shaft 311 as a power output end of the driving mechanism 200, and the speed reducer 220 may be fixedly connected to a side wall of the supporting mechanism 100. In the system, the motor 210 can provide power output, the speed reducer 220 plays a role of first heavy speed reduction, and the chain wheel 320 and the roller chain disc 310 jointly form a second heavy speed reduction mechanism, so that the system realizes multiple speed reduction, and can be effectively suitable for heavy load conditions.

In specific implementations, the first sleeve 322 and the second sleeve 312 can be selected according to various embodiments. For example, the first sleeve 322 and the second sleeve 312 may be self-lubricating engineering plastic sleeves or metal sleeves with grease disposed therein.

In a specific implementation, the speed reducer 220 may be selected from various embodiments, for example, the speed reducer 220 is a worm gear speed reducer.

In specific implementation, the upright 110 may be selected from various embodiments, for example, as shown in fig. 2, the upright 110 may be a C-shaped steel upright because the C-shaped steel has the characteristics of high strength and portability.

To sum up, the utility model provides a photovoltaic tracker deceleration system, including supporting mechanism 100, actuating mechanism 200, drive mechanism 300 and rotor 400, rotor 400 swing joint is in the top of supporting mechanism 100 and can select to move circumferentially; drive mechanism 300 includes roller chain plate 310 and sprocket 320: the roller chain disc 310 is coaxially connected to the power output end of the driving mechanism 200 and can be selectively moved after acquiring the torsional force provided by the driving mechanism 200; the chain wheel 320 is coaxially connected with the rotor 400 and is meshed with the roller chain disc 310 through chain teeth on the periphery of the wheel body; the sprocket 320 can selectively move with the roller chain plate 310 to obtain a torsional force, thereby driving the rotor 400 to rotate coaxially. Aiming at the defects that the conventional speed reduction system is high in cost, poor in reliability, large in fit clearance and easy to chain off, the speed reduction system for the photovoltaic tracker creatively provides that the roller chain disc 310 and the chain wheel 320 are used as the transmission mechanism 300, so that the power transmission performance and the system bearing capacity can be effectively improved, the working reliability of the system can be effectively guaranteed, and the system maintenance and repair cost is reduced.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A photovoltaic tracker deceleration system, comprising a support mechanism (100), a drive mechanism (200), a transmission mechanism (300), and a rotor (400), wherein:

the rotor (400) is movably connected to the top of the supporting mechanism (100) and can rotate and move along the circumferential direction;

the transmission mechanism (300) comprises a roller chain disc (310) and a chain wheel (320): the roller chain disc (310) is coaxially connected to the power output end of the driving mechanism (200) and can rotate and move along with the power output end of the driving mechanism (200); the chain wheel (320) is coaxially connected with the rotor (400) and is meshed with the roller chain disc (310) through chain teeth arranged on the periphery of the wheel body;

the chain wheel (320) can rotate along with the roller chain disc (310) to obtain torsional force, so that the rotor (400) is driven to coaxially rotate.

2. The photovoltaic tracker deceleration system of claim 1, wherein the roller chain wheel (310) comprises two flange plates (313) and a plurality of rollers (314), wherein:

the two flange plates (313) are arranged oppositely, and the plurality of rollers (314) are uniformly arranged between the two flange plates (313) along the circumferential direction of the flange plates (313).

3. The photovoltaic tracker deceleration system of claim 1, wherein the sprocket (320) is a fan-shaped sprocket, and the two ends of the meshing area of the fan-shaped sprocket (320) are provided with limiting bosses (323).

4. The photovoltaic tracker deceleration system of claim 1, wherein the support mechanism (100) comprises two uprights (110), the two uprights (110) being arranged in parallel along an axial direction of the rotor (400).

5. The photovoltaic tracker deceleration system of claim 4, wherein the rotor (400) is coaxially connected to the sprocket (320) by a sprocket shaft (321) and is movably connected to the support mechanism (100), wherein:

two the top of stand (110) all is provided with first axle sleeve (322), the both ends of sprocket shaft (321) all are cylindricly and run through one respectively first axle sleeve (322), in order to find out to two the outside of stand (110), the shaft hole of sprocket (320) with the cover that sprocket shaft (321) middle part shape agrees with mutually admittedly in sprocket shaft (321), rotor (400) include two sections main shafts (410), two sections main shaft (410) respectively fixed connection in the both ends of sprocket shaft (321).

6. The photovoltaic tracker deceleration system of claim 5, wherein the shaft hole of the sprocket (320) and the middle portion of the sprocket shaft (321) are both square.

7. The photovoltaic tracker deceleration system of claim 5, wherein the main shaft (410) is fixedly connected to the sprocket shaft (321) by a connection (411), wherein:

the connecting piece (411) is fixedly sleeved at the outer end of the chain wheel shaft (321) through a round hole arranged at one end, and the inner shape of the main shaft (410) is matched with the outer shape of the connecting piece (411) and fixedly sleeved outside the connecting piece (411).

8. The photovoltaic tracker deceleration system of claim 5, wherein the roller chain wheel (310) is coaxially connected to a power take-off of the drive mechanism (200) by a chain wheel shaft (311), wherein:

the middle parts of the two upright columns (110) are respectively provided with a second shaft sleeve (312), two ends of the chain disc shaft (311) are cylindrical and respectively penetrate through the second shaft sleeves (312) to extend out of the two upright columns (110), the power output end of the driving mechanism (200) is fixedly connected to one end of the chain disc shaft (311), and the roller chain disc (310) is arranged between the two upright columns (110) and fixedly sleeved in the middle of the chain disc shaft (311).

9. The photovoltaic tracker deceleration system of claim 8, further comprising a universal joint (500), wherein the universal joint (500) is fixedly connected to the other end of the chain wheel shaft (311) to be coaxially connected to a power output end of the driving mechanism (200) so as to obtain a torsional force provided by the driving mechanism (200).

10. The photovoltaic tracker deceleration system of claim 9, wherein the sprocket shaft (321) and the sprocket shaft (311) are fixedly connected by an internal spline and an external spline.

11. The photovoltaic tracker deceleration system of claim 1, wherein the driving mechanism (200) comprises a motor (210) and a speed reducer (220), the speed reducer (220) being fixedly connected to a side wall of the support mechanism (100).

12. The photovoltaic tracker deceleration system of claim 8, wherein the first bushing (322) and the second bushing (312) are both self-lubricating engineering plastic bushings or metal bushings with grease disposed therein.

13. The photovoltaic tracker deceleration system of claim 11, wherein the speed reducer (220) is a worm gear speed reducer.

14. Photovoltaic tracker deceleration system according to claim 4, characterized in that said uprights (110) are C-shaped steel uprights.