阅读说明：本技术 旋转驱动机构、光伏支架及太阳能光伏装置 (Rotary driving mechanism, photovoltaic support and solar photovoltaic device ) 是由 吴文天 罗菁 吴宁 于 2019-08-20 设计创作，主要内容包括：本发明涉及一种旋转驱动机构、光伏支架及太阳能光伏装置,包括：传动组件,传动组件包括第一传动件和第二传动件,第一传动件和第二传动件用于设置在立柱上并相互旋转传动配合,且第一传动件还用于与驱动轴传动连接；丝杆,丝杆与第二传动件旋转传动连接；滑块,滑块套装于丝杆上并能够沿丝杆往复移动；及支撑杆,支撑杆的一端与滑块铰接,支撑杆的另一端用于与支撑梁铰接；支撑梁与立柱铰接。仅需要提供驱动轴较小的旋转驱动力即可实现整个机构的联动进而完成光伏板角度调节,功耗低,使用成本低。丝杆与滑块之间配合的螺纹副具有自锁性能,能够增加光伏支架的整体结构刚度,避免在强风等恶劣天气下支撑梁以发生颤振,利于提高装置使用寿命。(The invention relates to a rotary driving mechanism, a photovoltaic bracket and a solar photovoltaic device, which comprise: the transmission assembly comprises a first transmission piece and a second transmission piece, the first transmission piece and the second transmission piece are arranged on the upright column and are in mutual rotating transmission fit, and the first transmission piece is also in transmission connection with the driving shaft; the screw rod is in rotary transmission connection with the second transmission piece; the sliding block is sleeved on the screw rod and can move back and forth along the screw rod; one end of the supporting rod is hinged with the sliding block, and the other end of the supporting rod is hinged with the supporting beam; the supporting beam is hinged with the upright post. The linkage of the whole mechanism can be realized only by providing a smaller rotary driving force of the driving shaft, so that the angle adjustment of the photovoltaic panel is completed, the power consumption is low, and the use cost is low. The screw thread pair matched between the screw rod and the sliding block has self-locking performance, the rigidity of the whole structure of the photovoltaic support can be increased, the support beam is prevented from fluttering in severe weather such as strong wind, and the service life of the device is prolonged.)

1. A rotary drive mechanism, comprising:

the transmission assembly comprises a first transmission piece and a second transmission piece, the axial directions of the first transmission piece and the second transmission piece are perpendicular to each other, the first transmission piece and the second transmission piece are both used for being arranged on the upright column and mutually rotating and driving to be matched, and the first transmission piece is also used for being in transmission connection with the driving shaft;

the screw rod is in rotary transmission connection with the second transmission piece;

the sliding block is sleeved on the screw rod and can reciprocate along the screw rod; and

one end of the supporting rod is hinged with the sliding block, and the other end of the supporting rod is hinged with the supporting beam; wherein, the supporting beam is articulated with the upright post.

2. The rotary drive mechanism according to claim 1, wherein the first transmission member is a first bevel gear and the second transmission member is a second bevel gear, the first bevel gear being in meshing driving engagement with the second bevel gear; the first bevel gear is coaxially connected with the driving shaft, and the second bevel gear is coaxially connected with the screw rod.

3. The rotary drive mechanism as recited in claim 2, further comprising a universal coupling, the drive shaft being in drive connection with the first bevel gear via the universal coupling.

4. The rotary drive mechanism according to claim 1, further comprising a mount disposed on the column, wherein the lead screw and the slider are both disposed on the mount.

5. The rotary drive mechanism according to claim 1, further comprising a guide rail provided on the column and arranged in parallel with the lead screw, wherein a side end of the slider is inserted into a guide groove of the guide rail.

6. The rotary drive mechanism according to claim 1 wherein the first transmission member is a worm and the second transmission member is a worm gear, the worm being in meshing driving engagement with the worm gear; the worm is connected with the driving shaft and can synchronously rotate, and the worm wheel is connected with the screw rod and can synchronously rotate.

7. A photovoltaic support, comprising a vertical column, a support beam, a driving shaft, a power source and the rotation driving mechanism of any one of the above claims 1 to 6, wherein the rotation driving mechanism is connected with the driving shaft, the driving shaft is connected with the power source, the middle part of the support beam is hinged with the top end of the vertical column, and the side end of the support beam is connected with the vertical column through the rotation driving mechanism, so that the support beam can rotate relative to the vertical column.

8. The photovoltaic bracket according to claim 7, comprising at least two vertical posts and at least two rotary driving mechanisms, wherein the at least two vertical posts are hinged to the bottom surface of the supporting beam at intervals side by side, the rotary driving mechanisms are correspondingly arranged on the vertical posts and are hinged to the supporting beam, and the first transmission members of the at least two rotary driving mechanisms are in transmission connection with the driving shaft.

9. The photovoltaic mount of claim 8, wherein the rotational drive mechanism further comprises a wear reduction member disposed at the articulation of the upright to the support beam.

10. A solar photovoltaic device comprising a photovoltaic panel and the photovoltaic support of any one of claims 7 to 9, wherein the photovoltaic panel is disposed on the support beam.

Technical Field

The invention relates to the technical field of solar photovoltaic equipment, in particular to a rotary driving mechanism, a photovoltaic support and a solar photovoltaic device.

Background

Currently, in solar photovoltaic power generation equipment, a photovoltaic panel is generally mounted on a photovoltaic support. And in order to adapt to the change of sunlight irradiation angle, it is long when promoting the shining of photovoltaic board and sunlight, and the photovoltaic board needs to be installed on the live-beams, and the live-beams can rotate the main part of photovoltaic support relatively. In practical applications, the rotation power of the turning beam is usually provided by a speed reducer or a push rod installed at the middle or one end of the turning beam. However, when strong wind and heavy rain weather occurs in the environment, mechanism shaking, namely fluttering, is very easy to occur at one end of the rotating beam, which is not connected with the speed reducer or the push rod; if the vibration amplitude reaches a certain value, the photovoltaic support structure is directly broken and damaged, and therefore, in order to reduce the vibration, a windproof damper is usually additionally arranged at one end of the rotating beam, which is not connected with the speed reducer or the push rod. In actual use, however, the windproof damper does not have self-locking performance, so that the flutter of the photovoltaic support cannot be thoroughly eliminated, and the service life of the photovoltaic support is influenced; in addition, the wind-proof damper has larger internal resistance, so that the driving force of a speed reducer or a push rod needs to be increased, the power consumption is increased, and the use cost is increased.

Disclosure of Invention

The invention aims to provide a rotary driving mechanism, a photovoltaic bracket and a solar photovoltaic device, and aims to solve the problems of short service life and high power consumption caused by poor structural rigidity and use cost increase in the prior art.

In one aspect, the present application provides a rotary drive mechanism comprising:

the transmission assembly comprises a first transmission piece and a second transmission piece, the axial directions of the first transmission piece and the second transmission piece are perpendicular to each other, the first transmission piece and the second transmission piece are arranged on the upright column and are in mutual rotating transmission fit, and the first transmission piece is also used for being in transmission connection with the driving shaft;

the screw rod is in rotary transmission connection with the second transmission piece;

the sliding block is sleeved on the screw rod and can reciprocate along the screw rod; and

one end of the supporting rod is hinged with the sliding block, and the other end of the supporting rod is hinged with the supporting beam; wherein, the supporting beam is articulated with the upright post.

In one embodiment, the first transmission member is a first bevel gear, the second transmission member is a second bevel gear, and the first bevel gear is in meshing transmission fit with the second bevel gear; the first bevel gear is coaxially connected with the driving shaft, and the second bevel gear is coaxially connected with the screw rod.

In one embodiment, the rotary drive mechanism further comprises a universal coupling, and the drive shaft is in transmission connection with the first bevel gear through the universal coupling.

In one embodiment, the rotation driving mechanism further includes a fixing frame, the fixing frame is disposed on the upright, and the lead screw and the sliding block are both disposed on the fixing frame.

In one embodiment, the rotary driving mechanism further comprises a guide rail, the guide rail is arranged on the upright and is parallel to the screw rod, and the side end of the sliding block is inserted into the guide groove of the guide rail.

In one embodiment, the first transmission member is a worm, the second transmission member is a worm wheel, and the worm is meshed with the worm wheel for transmission; the worm is connected with the driving shaft and can synchronously rotate, and the worm wheel is connected with the screw rod and can synchronously rotate.

On the other hand, this application still provides a photovoltaic support, it includes stand, a supporting beam, drive shaft, power supply and as above rotatory actuating mechanism, rotatory actuating mechanism with the drive shaft is connected, the drive shaft with the power supply is connected, a supporting beam the middle part with the top of stand is articulated, a supporting beam's side passes through rotatory actuating mechanism with the stand is connected, makes a supporting beam can be relative the stand is rotatory.

In one embodiment, the device comprises at least two upright posts and at least two rotary driving mechanisms, wherein the at least two upright posts are hinged to the bottom surface of the supporting beam at intervals side by side, the rotary driving mechanisms are correspondingly arranged on the upright posts one by one and are hinged to the supporting beam, and the first transmission pieces of the at least two rotary driving mechanisms are in transmission connection with the driving shaft.

In one embodiment, the rotation driving mechanism further comprises a wear reducing member disposed at a hinge joint of the upright and the support beam.

In addition, this application still provides a solar photovoltaic device, its include the photovoltaic board with as above the photovoltaic support, the photovoltaic board set up in it is last to prop up supporting beam.

The embodiment of the invention has the following beneficial effects:

the rotary driving mechanism is used for being equipped in the photovoltaic support, and rotation angle adjustment is carried out on a supporting beam (namely a photovoltaic panel). Specifically, the drive shaft is connected to an external power source so as to be able to obtain the rotational power output by the power source to rotate; and then, the driving shaft rotates to further synchronously drive the first transmission piece and the second transmission piece to rotate together, and finally the second transmission piece drives the screw rod to rotate, so that the horizontal transverse torque of the driving shaft is transmitted to the screw rod. The screw rod and the sliding block form a screw rod module, so that the sliding block can synchronously slide along the screw rod when the screw rod rotates, and the sliding block can specifically move upwards or downwards along the screw rod (namely, the reciprocating sliding along the screw rod is realized) according to different rotation directions of the screw rod; therefore, when the sliding block moves upwards, the supporting rod can be driven to rotate and lift upwards, and the supporting rod synchronously pushes the supporting beam to rotate so as to adjust the horizontal angle; or the sliding block can drive the supporting rod to rotate and move downwards when moving downwards, the supporting rod synchronously pulls the supporting beam to rotate so as to adjust the vertical angle, and therefore the space angle of the photovoltaic panel mounted on the supporting beam can be flexibly adjusted. The structure composition and the working principle of the rotary driving mechanism are simple, the linkage of the whole mechanism can be realized only by providing the small rotary driving force of the driving shaft, and then the synchronous angle adjustment of each position of the photovoltaic panel is completed, the power consumption is low, and the use cost is low. And the screw thread pair matched between the screw rod and the sliding block has excellent self-locking performance, the self-locking performance can greatly increase the overall structural rigidity of the photovoltaic support, and the support beam is prevented from fluttering under severe weather such as strong wind, so that the service life of the photovoltaic assembly (a photovoltaic plate and the photovoltaic support) is effectively prolonged.

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 description of the embodiments or 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 for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein: 10. a transmission assembly; 20. a screw rod; 30. a slider; 40. a support bar; 50. a column; 60. a support beam; 70. a photovoltaic panel; 80. a fixed mount; 90. a guide rail; 100. a drive shaft; 110. an antifriction element.

Fig. 1 is a schematic structural diagram of a photovoltaic support according to an embodiment of the present invention (with a photovoltaic panel installed);

fig. 2 is a schematic structural view of a photovoltaic support according to another embodiment of the present invention (without a photovoltaic panel mounted);

fig. 3 is a schematic structural diagram of a photovoltaic support according to another embodiment of the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The application claims a solar photovoltaic device for realizing photovoltaic power generation; the photovoltaic panel is mainly composed of a photovoltaic panel 70 and a photovoltaic support, wherein the photovoltaic panel 70 is arranged on the support beam 60. The photovoltaic panel 70 is irradiated by sunlight, and can store and effectively convert the sunlight into electric energy, and the electric energy can be supplied to other electric equipment for use. The photovoltaic panel 70 is detachably fixed on the top surface of the support beam 60 through a special support, so that the mounting and dismounting are convenient, and the later maintenance and replacement are convenient.

As shown in fig. 1 to 3, the photovoltaic support is installed on the ground of a work site, and includes a column 50, a support beam 60, a driving shaft 100, a power source, and a rotation driving mechanism. The upright column 50 is vertically fixed on the ground, and the bottom end of the upright column 50 is locked on the ground through a support plate and a bolt, so that the connection strength can be ensured. The middle part or one side end of the support beam 60 is hinged with the top end of the upright column 50; in this embodiment, it is preferable that the middle portion of the supporting beam 60 is hinged to the top end of the upright 50, so that the supporting strength of the supporting beam 60 by the upright 50 can be enhanced to a certain degree.

Further, the drive shaft 100 is arranged horizontally, i.e., vertically in space with the column 50. The rotation driving mechanism is connected to the driving shaft 100, the driving shaft 100 is connected to the power source, and the side end of the support beam 60 is connected to the column 50 through the rotation driving mechanism, so that the support beam 60 can rotate relative to the column 50.

It will be appreciated that the power source provides the rotational power required to turn the drive shaft 100. The power source may be a human or a mechanical device. When a person is used, the power source may be, but is not limited to, a rocker mechanism connected to the driving shaft 100 for convenient operation, and the driving shaft 100 can be synchronously driven to rotate by manually rotating the rocker mechanism. Or when the power source is mechanical equipment, the power source can be but is not limited to a speed reducing motor, a power shaft of the speed reducing motor is connected with the driving shaft 100 through a coupler, and the driving shaft 100 can be driven to rotate by the motor driving the power shaft to rotate.

Of course, it should be noted that, in order to drive the driving shaft 100 to rotate, other technical means in the prior art may be adopted to replace the rocker mechanism and the speed reduction motor in other embodiments according to actual needs. For example, a rotary cylinder is used to couple to the drive shaft 100.

With reference to fig. 1 and fig. 2, since the supporting beam 60 needs to rotate relative to the vertical column 50, in order to reduce the rotational friction and wear and prolong the service life of the supporting beam 60 and the vertical column 50, the rotational driving mechanism further includes a wear reducing member 110, and the wear reducing member 110 is disposed at the hinge joint of the vertical column 50 and the supporting beam 60. Alternatively, the wear reducing members 110 may be, but are not limited to, bearings. According to actual needs, the inner ring of the bearing can be fixed in the shaft hole of the support beam 60, and the outer ring of the bearing is fixed at the top end of the upright column 50; alternatively, the inner race of the bearing is fixed to the top end of the column 50, and the outer race of the bearing is fixed in the shaft hole of the support beam 60. Therefore, by means of the structural performance of the bearing, the friction resistance of the support beam 60 relative to the upright column 50 in the rotating process can be reduced, the abrasion is reduced, and meanwhile the stability of the support beam 60 in the rotating process can be improved.

Referring to fig. 3, however, in practical work, in order to improve the photovoltaic power generation efficiency, a plurality of photovoltaic panels 70 are generally required to be spliced for use, so as to increase the contact area with the sunlight; at this time, the size of the support beam 60 is increased accordingly. While providing sufficient turning power to allow for reliable and efficient angular adjustment of the support beam 60 in order to accommodate a longer size support beam 60. Further, in an embodiment, the photovoltaic support includes at least two vertical columns 50 and at least two rotation driving mechanisms, at least two vertical columns 50 are hinged to the bottom surface of the supporting beam 60 at intervals side by side, the rotation driving mechanisms are hinged to the vertical columns 50 in a one-to-one correspondence manner and are hinged to the supporting beam 60, and at least two rotation driving mechanisms are in transmission connection with the driving shaft 100. Therefore, the at least two upright posts 50 can form multi-point support for the support beam 60, so that the support beam 60 is ensured to be installed stably; each upright 50 is provided with a rotation driving mechanism and driven by the driving shaft 100 to rotate synchronously, so that the rotation driving force for the supporting beam 60 can be increased, the supporting beam 60 can rotate flexibly, and the angle adjustment of the supporting beam 60 is efficient.

With continuing reference to fig. 1 and fig. 2, in an embodiment of the present disclosure, the rotation driving mechanism includes: the transmission assembly 10, the screw rod, the slide block 30 and the support rod 40. The transmission assembly 10 includes a first transmission member and a second transmission member, the first transmission member and the second transmission member are arranged on the column 50 and are in mutual rotation transmission fit, and the first transmission member is further used for being in transmission connection with the driving shaft 100; the screw rod is in rotary transmission connection with the second transmission piece; the sliding block 30 is sleeved on the screw rod and can move back and forth along the screw rod; one end of the support rod 40 is hinged with the sliding block 30, and the other end of the support rod 40 is hinged with the support beam 60; wherein the support beam 60 is hinged to the column 50.

In summary, the embodiment of the invention has the following beneficial effects: the rotary driving mechanism of the scheme is used for being equipped in a photovoltaic support, and the rotation angle adjustment of the supporting beam 60 (namely the photovoltaic panel 70) is realized. Specifically, the drive shaft 100 is connected to an external power source so as to be able to obtain rotational power output from the power source to rotate; subsequently, the driving shaft 100 rotates to further synchronously drive the first transmission member and the second transmission member to rotate together, and finally the second transmission member drives the screw rod 20 to rotate, so that the horizontal transverse torque of the driving shaft 100 is transmitted to the screw rod 20. Because the screw rod 20 and the slide block 30 form a screw rod 20 module, the slide block 30 can synchronously slide along the screw rod when the screw rod rotates, and the slide block 30 can specifically move up or down along the screw rod (namely, realize reciprocating sliding along the screw rod) according to different rotating directions of the screw rod 20; therefore, when the sliding block 30 moves upwards, the supporting rod 40 can be driven to rotate and lift upwards, the supporting rod 40 synchronously pushes the supporting beam 60 to rotate, or when the sliding block 30 moves downwards, the supporting rod 40 can be driven to rotate and move downwards, the supporting beam 60 is synchronously pulled by the supporting rod 40 to rotate reversely, and therefore flexible adjustment of the space angle of the photovoltaic panel 70 installed on the supporting beam 60 is achieved. It can be understood that, when the sliding block 30 reciprocates, the supporting rod 40 can drive the supporting beam 60 to rotate by more than 180 degrees, so as to drive the photovoltaic panel 70 to flexibly rotate, so that the photovoltaic panel can be directly opposite to the sun at any time. The structure composition and the working principle of the rotary driving mechanism are simple, the linkage of the whole mechanism can be realized only by providing the smaller rotary driving force of the driving shaft 100, the angle adjustment of the photovoltaic panel 70 is further completed, the power consumption is low, and the use cost is low. And, the screw thread pair that cooperates between lead screw and the slider 30 has splendid auto-lock performance, and this auto-lock performance can greatly increased photovoltaic support's overall structure rigidity, avoids supporting beam 60 in order to take place the flutter under severe weather such as strong wind to effectively prolong photovoltaic module (photovoltaic board 70 and photovoltaic support)'s life.

Preferably, in an embodiment, the first transmission member is a first bevel gear, the second transmission member is a second bevel gear, and the first bevel gear is in meshing transmission fit with the second bevel gear; the first bevel gear is coaxially connected to the driving shaft 100, and the second bevel gear is coaxially connected to the screw rod. Therefore, the first bevel gear is meshed with the second bevel gear, so that stable power transmission can be ensured, and the meshing of the gear teeth also has certain self-locking and load bearing capacity, so that the structural stability of the photovoltaic bracket is further improved in cooperation with the screw rod sliding block 30 module; in addition, the bevel gear set can also be used for reliably converting the rotating power of the driving shaft 100 which is horizontally arranged into the rotating power of the lead screw which is vertically arranged, namely realizing the reversing transmission of the power.

Alternatively, the first bevel gear and the driving shaft 100 may be connected and fixed by a key and a key slot, a thread, a buckle, or the like, and transmit power; the second bevel gear and the screw rod can be fixedly connected and transmit power through a key, a key groove, threads, a buckle and the like.

In a preferred embodiment of the present invention, the rotation driving mechanism further comprises a universal coupling, and the driving shaft 100 is in transmission connection with the first bevel gear through the universal coupling. The universal joint can more reliably transmit the horizontal rotation torque of the drive shaft 100 to the lead screw in a reverse manner.

Of course, the above-mentioned engagement transmission of the first bevel gear and the second bevel gear is not the only embodiment, and as an alternative, in another embodiment, the first transmission member is a worm, the second transmission member is a worm wheel, and the worm is engaged with the worm wheel in a transmission manner; the worm is connected to the driving shaft 100 and can be rotated in synchronization therewith, and the worm wheel is connected to the lead screw and can be rotated in synchronization therewith. Namely, the worm and the worm wheel are engaged for transmission, the horizontal torque of the driving shaft 100 can be reliably transmitted to the screw rod in a reversing manner, so that the sliding block 30 is driven to move up and down, and the supporting rod 40 is driven to push or pull the supporting beam 60 to overturn, so that the angle of the photovoltaic panel 70 can be flexibly adjusted. Alternatively, in other embodiments, other technical means in the prior art may be adopted as long as the transmission of the rotational power of the drive shaft 100 to the screw rod is realized.

Referring to fig. 1, in addition, the rotation driving mechanism further includes a fixing frame 80, the fixing frame 80 is disposed on the upright 50, and the lead screw 20 and the sliding block 30 are both disposed on the fixing frame 80. So, lead screw 20 and slider 30 can be connected as an subassembly with mount 80, and then improve the assembly strength with stand 50, in addition make things convenient for the integral erection on stand 50 or pull down from stand 50, through reducing spare part quantity, improve photovoltaic support equipment manufacturing efficiency.

In addition, the rotation driving mechanism further comprises a guide rail 90, the guide rail 90 is arranged on the upright 50 and is parallel to the screw rod, and the side end of the sliding block 30 is inserted into the guide groove of the guide rail 90. The guide groove of the guide rail 90 plays a role in guiding and limiting the movement of the sliding block 30, and the sliding block 30 is guaranteed to move more stably. Preferably, the guide rails 90 are two and are spaced apart from each other on both sides of the moving direction of the slider 30, and are guided and engaged with the slider 30.

In addition, in order to realize that the supporting rod 40 pushes or pulls the supporting beam 60 to overturn so as to realize the angle change, other technical solutions can also be adopted. For example, a fixed pulley is mounted on the column 50, a rope is wound on the fixed pulley, one end of the rope is connected with the cylinder, the other end of the rope is connected with the sliding block 30, and the sliding block 30 is mounted on the guide rail 90 (without a screw rod); in addition, the slider 30 is still rotatably connected to the support beam 60 via the support bar 40. Therefore, the piston cylinder of the air cylinder extends or retracts, the sliding block 30 can be driven by the rope to move up and down on the guide rail 90, the supporting rod 40 is pushed or pulled to move, and finally the purpose of driving the supporting beam 60 to overturn to realize angle adjustment is achieved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.