Double-single-shaft tracking support driven by rigid chain

Abstract

A double-single-shaft tracking support driven by a rigid chain comprises a stand column assembly, a supporting assembly is rotationally installed on the top of the stand column assembly, a main beam is rotationally installed on the supporting assembly, and a plurality of purline assemblies used for installing photovoltaic assemblies are arranged on the top of the main beam. A first rigid chain driving assembly used for driving the supporting assembly to swing to adjust the pitching angle of the supporting assembly is installed on the stand column assembly, and a second rigid chain driving assembly used for driving the main beam to rotate to adjust the tracking angle of the main beam is arranged between the supporting assembly and the main beam. One end of the second rigid chain driving assembly is hinged to the supporting assembly, the other end of the second rigid chain driving assembly is connected with the main beam through the swing arm assembly, and the first rigid chain driving assembly and the second rigid chain driving assembly are the same in overall structure. The transmission device is reasonable in structural design, convenient to operate, accurate and stable in transmission, high in transmission efficiency, high in bearing capacity, high in use stability, long in service life and suitable for severe environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic support technical field, especially in rigid chain drive's double single -axis tracking support. BACKGROUND

[0002] With the development of social economy, the consumption speed of energy and resources is faster and faster, and energy saving and environmental protection have become the necessary condition for human sustainable development. The development and utilization of new energy and renewable energy have attracted much attention. As a clean renewable energy, solar energy has gradually entered people's daily life.

[0003] The solar tracking support is a device that can effectively improve the light energy utilization efficiency of the solar cell panel. It mainly includes single-axis tracking and double-axis tracking. The double-axis tracking adjusts two rotating shafts (azimuth angle and elevation angle) to make the solar cell panel always face the sun, thereby maximizing the capture of solar energy.

[0004] As a Chinese patent with the patent publication number CN116455309A, a flexible double-axis tracking support for photovoltaic or concentrated solar energy is disclosed, which includes a support base, a stand, a rotating joint, a support frame, an azimuth angle control device and an elevation angle control device. The support frame can install a reflector or a photovoltaic assembly. The support frame is installed on the stand through the rotating joint. The elevation angle control device drives the support frame to rotate in the elevation angle direction. The azimuth angle control device drives the rotating joint to rotate in the azimuth angle direction. The elevation angle control device of the utility model adopts an innovative scheme combining driving ropes and screws, which greatly improves the installation method of the traditional driving system, while ensuring the precision of the driving system, facilitating sealing protection and later maintenance. Compared with the traditional solar tracking support angle control, which adopts a turbine worm reduction motor, a hydraulic push rod or an electric push rod drive, the driving cost of the tracking support is greatly reduced, and the reliability is improved.

[0005] However, the transmission mode of the above-mentioned double-axis tracking support is a combination of driving ropes and screws, which has the following disadvantages:

[0006] First, the driving rope is soft and easy to elastically deform under stress, especially under heavy load or frequent start-stop, which will cause inaccurate transmission and deviation of the support rotation angle control, affecting the accuracy of the photovoltaic panel tracking light.

[0007] Second, the driving rope is easy to elastically deform due to environmental factors such as temperature and wind, which causes the transmission precision to fluctuate with the environment. For example, when the temperature changes, the elastic modulus changes, causing the angle control precision to be unstable, affecting the tracking of the tracking support to the sun position, and thus reducing the solar energy utilization efficiency.

[0008] Third, the drive rope is easily affected by environmental factors, such as ultraviolet rays, wind and rain, which can cause aging and wear, reduce the service life, and need frequent inspection and replacement, affecting the normal operation of the support system.

[0009] Fourth, the drive rope has energy loss due to its flexibility and friction characteristics between the transmission wheel and the drive wheel, and the transmission efficiency is relatively low.

[0010] Fifth, the drive rope has limited carrying capacity, and may not withstand the load pressure when facing large-area photovoltaic panel installation or severe weather, which may cause rupture or normal driving risk, affecting the reliability of the support system. Utility model content

[0011] The main technical problem to be solved by the utility model is to provide a rigid chain driven double single-axis tracking support with reasonable structure design, convenient operation, accurate and stable transmission, high transmission efficiency, strong carrying capacity, high use stability, long service life and adaptation to harsh environments.

[0012] To solve the above technical problems, the utility model provides a technical scheme as follows:

[0013] A rigid chain driven double single-axis tracking support, comprising a stand column assembly, a support assembly is rotatably installed at the top of the stand column assembly, a main beam is rotatably installed on the support assembly, a plurality of purlin assemblies for installing photovoltaic assemblies are arranged at the top of the main beam, a first rigid chain drive assembly for driving the support assembly to swing to adjust the pitch angle of the support assembly is installed on the stand column assembly, a second rigid chain drive assembly for driving the main beam to rotate to adjust the tracking angle of the main beam is arranged between the support assembly and the main beam, one end of the second rigid chain drive assembly is hinged to the support assembly, the other end of the second rigid chain drive assembly is connected to the main beam through a swing arm assembly, and the first rigid chain drive assembly and the second rigid chain drive assembly have the same overall structure.

[0014] The first rigid chain drive assembly comprises a chain storage shell, a chain winding seat is arranged in the chain storage shell, two rigid chain grooves are symmetrically arranged in the chain winding seat, rigid chains that can slide along the rigid chain grooves are arranged in the rigid chain grooves, the two rigid chains are mutually engaged or separated, the free ends of the two rigid chains are arranged outside the chain storage shell and are fixedly connected to the same push-pull head, the push-pull head is hinged to the support assembly, a drive sprocket is arranged on the chain winding seat outside one of the rigid chains, the drive sprocket is engaged with the corresponding rigid chain on one side, a self-locking speed reducer motor is drivingly connected to the drive sprocket, and the self-locking speed reducer motor is fixedly installed on the chain storage shell.

[0015] The following is a further optimization of the utility model to the above technical scheme:

[0016] The column assembly comprises a bottom plate, the top of the bottom plate is integrally connected with a column, the top of the column is fixedly provided with a hinged support seat, and the support assembly is hinged to the hinged support seat.

[0017] Further optimization: a hinge mounting seat is fixedly installed on one side wall of the column, and the chain storage shell is hinged to the hinge mounting seat through a pin shaft.

[0018] Further optimization: the support assembly comprises a mounting bracket and a support bracket, and the mounting bracket and the support bracket are fixedly connected at one end close to each other and vertically arranged.

[0019] Further optimization: the connecting part of the mounting bracket and the support bracket is hingedly mounted on the hinge support seat of the column through a pin shaft.

[0020] Further optimization: the support bracket is provided with a mounting surface, and at least two bearing assemblies for supporting the main beam are mounted on the mounting surface.

[0021] Further optimization: the main beam is rotatably mounted on the support bracket through the bearing assemblies, and the main beam and the support bracket are parallelly arranged.

[0022] Further optimization: the swing arm assembly comprises two mounting rods symmetrically arranged on both sides of one of the bearing assemblies, and the two mounting rods are located above the main beam.

[0023] Further optimization: the two mounting rods are integrally connected with connecting ears on the sides away from each other, and the connecting ears are fixedly connected with the main beam through U-shaped hoops.

[0024] Further optimization: one end of each of the two mounting rods is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly provided with a connecting seat, and the connecting seat is hingedly connected with the second rigid chain driving assembly through a pin shaft.

[0025] The first rigid chain driving assembly is used for adjusting the pitch angle of the support assembly, and the second rigid chain driving assembly is used for adjusting the tracking angle of the main beam, so that the independent adjustment function of double single shafts is realized, so that the support can more accurately track the position of the sun, and the support assembly and the main beam are adjusted at corresponding angles according to the changes of the sun elevation angle and the azimuth angle at different times and seasons, so as to maximize the efficiency of the photovoltaic module receiving sunlight and improve the photovoltaic power generation capacity.

[0026] The rigid chain has a small deformation when bearing stress, can accurately transmit power, and thus can ensure stability and accuracy of power transmission when adjusting the pitch angle of the support assembly or driving the main beam to rotate, effectively avoids the situation that angle control is deviated due to inaccurate transmission caused by elastic deformation, and thus makes the photovoltaic assembly installed on the purlin assembly of the main beam always keep accurate tracking of sunlight along with accurate rotation of the main beam, and ensures that photovoltaic power generation efficiency is not affected by this factor.

[0027] The rigid chain is usually made of materials with good weather resistance, has a relatively compact structure, has strong resistance to environmental factors such as ultraviolet rays and wind and rain, and thus does not easily age and wear like a driving rope during long-term outdoor use, so that frequent inspection and replacement are not needed, thereby ensuring continuous normal operation of the support system, reducing operation and maintenance costs, and reducing interference on photovoltaic power generation caused by frequent maintenance.

[0028] In the utility model, the rigid chain in the chain winding seat slides in the rigid chain groove and is closely engaged with the driving sprocket, and this engagement mode can realize efficient power transmission; and the transmission connection between the self-locking speed reducer motor and the driving sprocket can accurately adjust the rotation speed and torque according to actual needs, further optimizes the power transmission process, thereby reducing energy loss during the whole driving process of the main beam, effectively improving the transmission efficiency, enabling the photovoltaic support to operate in a more efficient manner, and further improving the overall performance of the photovoltaic power generation system.

[0029] In the utility model, the rigid chain has high bearing capacity and can bear large load pressure, so that whether it is a heavy load caused by large-area photovoltaic panel installation or an additional force generated by the support under adverse weather conditions (such as strong wind, heavy snow, etc.), the rigid chain can stably support and drive, ensuring the reliability of the support system, effectively avoiding photovoltaic support failure and photovoltaic power interruption caused by insufficient bearing capacity, and ensuring long-term stable operation of the photovoltaic power generation project.

[0030] The utility model will be further described below in combination with the drawings and examples. DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor intensity.

[0032] Figure 1 It is the schematic view of the whole structure of the embodiment of the utility model;

[0033] Figure 2 It is the top view of the embodiment of the utility model;

[0034] Figure 3 It is the side view of the embodiment of the utility model;

[0035] Figure 4 It is the side view of another angle of the embodiment of the utility model;

[0036] Figure 5 It is the schematic view of the three-dimensional structure of the rigid chain drive assembly in the embodiment of the utility model;

[0037] Figure 6 It is the front view of the rigid chain drive assembly in the embodiment of the utility model;

[0038] Figure 7 It is the side view of the rigid chain drive assembly in the embodiment of the utility model;

[0039] Figure 8 It is the sectional view of the rigid chain drive assembly in the embodiment of the utility model.

[0040] In the drawing: 1 - stand assembly;11 - bottom plate;12 - stand;13 - hinged support seat;14 - hinged mounting seat;2 - support assembly;21 - mounting bracket;22 - support bracket;23 - bearing assembly;3 - main beam;4 - purlin assembly;41 - purlin;42 - reinforcing rod;43 - fastening bolt;5 - first rigid chain drive assembly;51 - chain storage shell;52 - rigid chain;53 - push-pull head;54 - self-locking reduction motor;55 - rigid chain groove;56 - drive sprocket;6 - second rigid chain drive assembly;7 - swing arm assembly;71 - mounting rod;72 - connecting lug;73 - connecting rod;74 - connecting seat. DETAILED DESCRIPTION

[0041] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0042] As Figures 1-8As shown, a rigid chain driven double single-axis tracking support includes a column assembly 1, a support assembly 2 is rotatably mounted on the top of the column assembly 1, a main beam 3 is rotatably mounted on the support assembly 2, a plurality of purlin assemblies 4 for mounting photovoltaic assemblies are arranged on the top of the main beam 3, a first rigid chain drive assembly 5 for driving the support assembly 2 to swing to adjust the pitch angle of the support assembly 2 is mounted on the column assembly 1, a second rigid chain drive assembly 6 for driving the main beam 3 to rotate to adjust the tracking angle of the main beam 3 is arranged between the support assembly 2 and the main beam 3, one end of the second rigid chain drive assembly 6 is hinged to the support assembly 2, and the other end of the second rigid chain drive assembly 6 is connected to the main beam 3 through a swing arm assembly 7, and the first rigid chain drive assembly 5 and the second rigid chain drive assembly 6 have the same overall structure.

[0043] The first rigid chain drive assembly 5 includes a chain storage shell 51, a chain winding seat is arranged in the chain storage shell 51, two rigid chain grooves 55 are symmetrically arranged in the chain winding seat, a rigid chain 52 that can slide along the rigid chain groove 55 is arranged in each rigid chain groove 55, the two rigid chains 52 are mutually engaged or separated, the free ends of the two rigid chains 52 are arranged to pass through the chain storage shell 51 and are fixedly connected to the same push-pull head 53, the push-pull head 53 is hinged to the support assembly 2, a drive sprocket 56 is arranged on the chain winding seat outside one of the rigid chains 52, the drive sprocket 56 is engaged with the corresponding rigid chain 52 on one side, the drive sprocket 56 is drivingly connected to a self-locking speed reducer motor 54, and the self-locking speed reducer motor 54 is fixedly mounted on the chain storage shell 51.

[0044] In this way, first, the first rigid chain drive assembly 5 is arranged to adjust the pitch angle of the support assembly 2, and the second rigid chain drive assembly 6 is arranged to adjust the tracking angle of the main beam 3, thereby realizing the independent adjustment function of the double single-axis, so that the support can more accurately track the position of the sun, and the support assembly 2 and the main beam 3 are adjusted by corresponding angles according to the changes of the sun elevation angle and the azimuth angle at different times and seasons, thereby maximizing the efficiency of the photovoltaic assembly receiving sunlight and improving the photovoltaic power generation capacity.

[0045] Second, when stressed, the rigid chain 52 has very small deformation and can accurately transmit power, so that when the pitch angle of the support assembly 2 is adjusted or the main beam 3 is driven to rotate, the rigid chain 52 can ensure the stability and accuracy of power transmission whether in a large load working condition or in a frequent start-stop process, thereby effectively avoiding the situation that the angle control is deviated due to inaccurate transmission caused by elastic deformation, and further making the photovoltaic assemblies mounted on the purlin assemblies 4 of the main beam 3 always keep accurate tracking of the sunlight with the accurate rotation of the main beam 3, thereby ensuring that the photovoltaic power generation efficiency is not affected by this factor.

[0046] Thirdly, the rigid chain 52 is usually made of materials with good weather resistance, and has a relatively compact structure, which has strong resistance to environmental factors such as ultraviolet rays, wind and rain, so that it will not easily age and wear out like the driving rope during long-term outdoor use, and does not need to be frequently inspected and replaced, thereby ensuring the continuous and normal operation of the support system, reducing the operation and maintenance cost and the interference to photovoltaic power generation caused by frequent maintenance.

[0047] Fourthly, the rigid chain 52 in the chain winding seat slides in the rigid chain groove 55 and is closely meshed with the driving sprocket 56. This meshing mode can realize efficient power transmission. The transmission connection between the self-locking speed reducer 54 and the driving sprocket 56 can accurately adjust the rotating speed and torque according to actual needs, further optimizing the power transmission process, so that the energy loss is small during the whole rotation of the driving girder 3, effectively improving the transmission efficiency, enabling the photovoltaic support to operate in a more efficient way, and further improving the overall performance of the photovoltaic power generation system.

[0048] Fifthly, in the rigid chain driven double single-axis tracking support, the rigid chain 52 has high bearing capacity and can withstand large load pressure, so that whether it is the heavy load caused by large-area photovoltaic panel installation or the additional force on the support under adverse weather conditions (such as strong wind, heavy snow, etc.), the rigid chain can stably support and drive, ensuring the reliability of the support system and effectively avoiding problems such as photovoltaic support failure and photovoltaic power interruption caused by insufficient bearing capacity, thereby ensuring the long-term stable operation of the photovoltaic power generation project.

[0049] The rigid chain 52 is a component known to those skilled in the art, and its structure and principle are known to those skilled in the art, so it is not described in detail in this embodiment.

[0050] In this embodiment, the inner chain plate and the outer chain plate in the rigid chain 52 are made of carbon steel, and are subjected to quenching and tempering treatment. The pin shaft and the sleeve in the rigid chain 52 are made of alloy steel, and the surface is subjected to chrome plating treatment.

[0051] In this embodiment, the chain winding seat is made of high-strength aluminum alloy material and is cast.

[0052] In this embodiment, the chain storage shell 51 is made of carbon steel and is subjected to zinc plating treatment on the surface.

[0053] The rigid chain groove 55 includes a winding groove in a spiral shape and a guide groove connected with the winding groove, and the outer end of the guide groove is in a straight line shape.

[0054] In this way, firstly, the spiral winding groove can increase the rigid chain winding length in the limited chain storage shell 51 space, reduce the length direction space occupation, make the equipment more compact, optimize the layout, reduce the floor area, and improve the space utilization in the application of inclined single-axis tracking support.

[0055] Secondly, the spiral winding groove allows the chain to be wound in an orderly spiral track, avoiding entanglement, knotting or accumulation, ensuring neat winding, facilitating re-release and use, reducing chain jamming and other failures, and improving system reliability.

[0056] Thirdly, the guide groove is connected with the winding groove and has a straight line at the outer end, which provides accurate guidance for the rigid chain from winding to stretching transmission, allows the chain to enter the guide groove from the spiral winding groove and adjust to a straight line motion state, and exit the chain storage shell 51 in a predetermined straight line direction, thereby ensuring the angle adjustment accuracy of the support assembly 2 and the main beam 3 and the photovoltaic module, and the straight line part of the guide groove can ensure the motion stability of the chain when it is stretched out, limit the lateral movement, make the chain stretch linearly, reduce shaking and deviation, improve the stability of the transmission system, reduce the wear of the chain and the driving sprocket 56 and other components, prolong the service life of the equipment, and ensure the accurate tracking of the photovoltaic module to the sun.

[0057] In the present embodiment, the self-locking reduction motor 54 is a worm gear reduction motor.

[0058] The worm gear reduction motor is a prior art known to those skilled in the art, and its structure and principle can be known by technical personnel through a technical manual or by conventional experimental methods, so it is not described in detail in the present embodiment.

[0059] The stand assembly 1 includes a bottom plate 11, and the top of the bottom plate 11 is integrally connected with a stand 12, and the top of the stand 12 is fixedly installed with a hinged support seat 13, and the support assembly 2 is hinged to the hinged support seat 13.

[0060] A hinged mounting seat 14 is fixedly installed on one side wall of the stand 12, and the chain storage shell 51 is hinged to the hinged mounting seat 14 through a pin shaft.

[0061] In this way, firstly, the bottom plate 11 provides a large contact area to disperse the upward pressure to enhance vertical stability, and the stand 12 is integrally connected with the bottom plate 11 to smoothly conduct stress, realize stable support of the main beam 3, and reliably support the main beam 3.

[0062] Secondly, the support assembly 2 can swing flexibly through the hinged support seat 13 at the top of the column 12, so that the photovoltaic tracking support can adjust the pitch angle according to the change of the solar elevation angle to obtain more light; meanwhile, the hinged mounting seat 14 on the side wall of the column 12 is hinged with the chain storage shell 51 through a pin shaft, which can ensure that the chain storage shell 51 and various components inside it can work at the most appropriate angle, thereby effectively ensuring the smoothness and accuracy of the rigid chain transmission process and maintaining the efficient operation of the entire transmission system.

[0063] Thirdly, when an external force impacts, the chain storage shell 51 is hinged with the column 12 to cause displacement and angle change, buffer the external force impact, avoid rigid force transmission to the column 12, reduce the impact risk of the column 12 and the overall structure, play an energy absorption role, and prolong the service life of the equipment.

[0064] The support assembly 2 comprises a mounting bracket 21 and a support bracket 22, and the mounting bracket 21 and the support bracket 22 are fixedly connected at one end close to each other in a vertical arrangement.

[0065] The connection between the mounting bracket 21 and the support bracket 22 is hinged on the hinged support seat 13 of the column 12 through a pin shaft.

[0066] The support bracket 22 is provided with a mounting surface, and at least two bearing assemblies 23 for supporting the main beam 3 are mounted on the mounting surface.

[0067] The main beam 3 is rotatably mounted on the support bracket 22 through the bearing assembly 23, and the main beam 3 and the support bracket 22 are arranged in parallel.

[0068] In this way, first, the mounting bracket 21 and the support bracket 22 are fixedly connected at one end in a vertical arrangement to form a stable whole, which can resist external forces and prevent loosening and deformation, laying a reliable foundation for the support assembly 2; meanwhile, the connection between the mounting bracket 21 and the support bracket 22 is hinged on the hinged support seat 13 of the column 12 through a pin shaft, which can not only stably bear the weight of the main beam 3 and other components and external forces, but also swing to buffer the impact when encountering external forces, thereby strengthening the structural stability of the device.

[0069] Secondly, the multiple bearing assemblies 23 on the support bracket 22 can evenly share the weight and external force of the main beam 3, effectively avoiding the problem of excessive stress on a single point, thereby significantly improving the support capacity of the main beam 3 and ensuring the stable installation of the main beam 3, so that loosening, deformation, and falling off do not occur even when heavy loads or external forces are borne, thereby ensuring the normal operation of the device.

[0070] Again, the support assembly 2 is hinged with the column 12 through the pin shaft, and can be conveniently adjusted according to the working conditions (such as the change of the sun position, etc.) The angle of the support assembly 2, like the photovoltaic tracking support system, changes the angle of the main beam 3 and the photovoltaic panel to obtain more light with the change of the sun elevation angle; at the same time, the main beam 3 is parallel to the support bracket 22 and is rotatably installed through the bearing assembly 23, the parallel arrangement ensures the stable posture and good cooperation, the rotatable installation enables the main beam 3 to rotate flexibly, smoothly and accurately, and facilitates the accurate adjustment of the angle of the main beam 3 to ensure that the parts are in the best light collecting position.

[0071] The bearing assembly 23 comprises a bearing seat, a rotating bearing is installed in the bearing seat, and the main beam 3 is sequentially fixed and arranged in the rotating bearings, so that the main beam 3 can rotate around the axis direction of itself.

[0072] The rotating bearings are all made of high molecular material.

[0073] In this way, firstly, the high molecular material is usually lighter than metal, which helps to reduce the weight of the overall structure; secondly, the high molecular material has good self-lubricating property, which reduces friction and wear and tear, and reduces maintenance cost; thirdly, the high molecular material can resist the corrosion of various chemicals, prolonging the service life.

[0074] The swing arm assembly 7 comprises two installation rods 71 symmetrically arranged on both sides of one of the bearing assemblies 23, and the two installation rods 71 are both located above the main beam 3.

[0075] The two installation rods 71 are both integrally connected with a connecting lug 72 on the side away from each other, and the connecting lug 72 and the main beam 3 are fixedly connected together through a U-shaped hoop.

[0076] One end of each of the two installation rods 71 is fixedly connected with a connecting rod 73, and the bottom of the connecting rod 73 is fixedly installed with a connecting seat 74, and the connecting seat 74 is hinged with the second rigid chain driving assembly 6 through a pin shaft.

[0077] In this way, the two installation rods 71 of the swing arm assembly 7 are symmetrically arranged on both sides of the bearing assembly 23, and during the operation of the device, the symmetrical arrangement can evenly share the load of the two installation rods 71, effectively maintaining the balance of the device, and avoiding the inclination or instability due to the excessive force on one side.

[0078] Secondly, the installation rod 71 is fixed with the main beam 3 through the integrally connected connecting lug 72 and a plurality of bolts, and this connection mode is very firm and reliable, has high carrying capacity, can withstand external force impact and vibration during the operation of the device, and thus ensures the structural integrity of the whole device, and ensures the normal operation of the device.

[0079] Thirdly, one end of the mounting rod 71 is connected to the second rigid chain driving assembly 6 in a hinged manner via the connecting rod 73 and the connecting seat 74, so that flexible relative movement between the swing arm assembly 7 and the second rigid chain driving assembly 6 can be realized, various actions such as rigid chain stretching can be well adapted, and the smoothness of the cooperative work between the two can be ensured.

[0080] The purlin assembly 4 comprises a purlin 41, and reinforcing rods 42 are fixedly connected to the bottom of the purlin 41 on both sides of the main beam 3 in a symmetrical manner. The other ends of the two reinforcing rods 42 are connected together and located below the main beam 3, and the main beam 3 and the two reinforcing rods 42 form a triangular structure.

[0081] The main beam 3 is provided with fastening bolts 43 on both sides in a symmetrical manner, and the fastening bolts 43 extrude and fix the reinforcing rods 42 and the purlin 41 on the main beam 3.

[0082] In this way, firstly, the triangular structure formed by the main beam 3 and the reinforcing rods 42 has strong stability, can stably support the photovoltaic assembly, can resist deformation in bad weather, and can ensure normal operation. It can also adapt to different terrain conditions, ensure the stability of the support, and ensure that the photovoltaic assembly is at a suitable installation angle to achieve the best power generation efficiency.

[0083] Secondly, the fastening bolts 43 tightly fix each component on the main beam 3, can prevent loosening and displacement, ensure that the components cooperatively bear loads and transmit the loads to the support structure such as the ground foundation, and can improve the installation precision and efficiency and provide good conditions for the installation of the photovoltaic assembly.

[0084] Thirdly, the purlin assembly 4 optimizes the load transmission path, reasonably shares the load, prolongs the service life of the purlin assembly 4, reduces the maintenance cost, improves the overall bearing capacity, and meets the installation requirements of photovoltaic projects in different regions.

[0085] In the embodiment, the purlin 41 is a cold-formed thin-walled steel and adopts a few-shaped steel.

[0086] In addition to the embodiment, the cross section and the material can also be customized as needed to meet the force requirement.

[0087] The purlin 41 is arranged above the main beam 3 and arranged longitudinally along the main beam 3, and the arrangement spacing is matched with the size of the upper photovoltaic panel.

[0088] In the embodiment, the main beam 3 adopts a mouth-shaped steel.

[0089] In addition to the embodiment, the cross section and the material can also be customized as needed to meet the force requirement.

[0090] The dual-axis tracking support is equipped with a photovoltaic tracking control system and a sensor according to the use requirement.

[0091] The photovoltaic tracking control system and the sensor are prior art, and their structure, working principle and installation principle are all prior art, which are well known to those skilled in the art and will not be described here.

[0092] In use, after installation is completed, the entire tracking support needs to be initialized first, to ensure that each component is firmly connected, the rigid chain drive assembly, the self-locking speed reducer 54 and other equipment are in normal state and can operate normally, and according to the latitude and longitude of the installation site, the season and the orientation requirement of the photovoltaic module and other factors, the initial pitch angle of the support assembly 2 and the tracking angle of the main beam 3 are set, so that the photovoltaic module is in a generally appropriate initial working position, so that subsequent tracking of the sun position can be better and high-efficiency power generation and other operations can be performed.

[0093] When the pitch angle of the support assembly 2 needs to be adjusted according to the change of the sun elevation angle or other factors, the control system (which can be a specially equipped photovoltaic tracking control system working with related sensors) will receive the corresponding adjustment signal. After the control system receives the adjustment signal, the self-locking speed reducer 54 in the first rigid chain drive assembly 5 installed on the column assembly 1 is started, and the self-locking speed reducer 54 starts to operate, converting electrical energy into mechanical energy to provide power source for subsequent transmission.

[0094] The self-locking speed reducer 54 rotates to drive the driving sprocket 56 connected in transmission to rotate. Since the driving sprocket 56 is engaged with the corresponding rigid chain 52 on one side, the rigid chain 52 will slide in the rigid chain groove 55 in the chain storage seat. At the same time, since the two rigid chains 52 are designed to be mutually engaged and separated, when one of the rigid chains 52 is driven, the other rigid chain 52 will also move synchronously, and the free ends of the two rigid chains 52 pass through the chain storage shell 51 and are connected to the support assembly 2 through the same push-pull head 53. Thus, with the movement of the rigid chain 52, the push-pull head 53 drives the support assembly 2 to swing around the hinge point of the support assembly 2 and the column assembly 1, thereby adjusting the pitch angle of the support assembly 2.

[0095] Similarly, when the tracking angle of the main beam 3 needs to be adjusted according to the change of the sun azimuth angle and the like, the control system will receive the corresponding adjustment signal. After the control system receives the adjustment signal, the self-locking speed reducer 54 of the second rigid chain drive assembly 6 installed between the support assembly 2 and the main beam 3 is started. The self-locking speed reducer 54 starts to operate to provide power for subsequent transmission.

[0096] The self-locking speed reduction motor 54 rotates to drive the driving sprocket 56 connected therewith to rotate, and the driving sprocket 56 drives the corresponding rigid chain 52 to slide in the rigid chain groove 55 in the chain winding seat.

[0097] The movement of the rigid chain 52 is converted into a rotating driving force for the main beam 3 through the swing arm assembly 7, so that the main beam 3 rotates in the bearing assembly 23, thereby realizing the adjustment of the tracking angle of the main beam 3.

[0098] During the operation of the entire tracking support, the position of the sun is constantly changing, so it is necessary to monitor the altitude angle and azimuth angle of the sun in real time, and the relevant sensors will continuously transmit the monitored sun position information to the control system, and the control system will continuously judge whether the pitch angle and tracking angle of the photovoltaic module are in the optimal state according to the information.

[0099] If there is a deviation, the above steps of adjusting the pitch angle of the support assembly 2 and adjusting the tracking angle of the main beam 3 will be repeated, and the support will be continuously adjusted to ensure that the photovoltaic module can always maintain the best lighting posture and realize efficient photovoltaic power generation.

[0100] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rigid chain driven dual single-axis tracking support, comprising a column assembly (1), a support assembly (2) rotatably mounted on the top of the column assembly (1), a main beam (3) rotatably mounted on the support assembly (2), a plurality of purlin assemblies (4) for mounting photovoltaic assemblies arranged on the top of the main beam (3), a first rigid chain drive assembly (5) for driving the support assembly (2) to swing to adjust the pitch angle of the support assembly (2) mounted on the column assembly (1), and a second rigid chain drive assembly (6) for driving the main beam (3) to rotate to adjust the tracking angle of the main beam (3) arranged between the support assembly (2) and the main beam (3), one end of the second rigid chain drive assembly (6) being hingedly connected to the support assembly (2), the other end of the second rigid chain drive assembly (6) being connected to the main beam (3) through a swing arm assembly (7), and the first rigid chain drive assembly (5) and the second rigid chain drive assembly (6) having the same overall structure. The first rigid chain drive assembly (5) comprises a chain storage shell (51), a chain winding seat is arranged in the chain storage shell (51), two rigid chain grooves (55) are symmetrically arranged in the chain winding seat, a rigid chain (52) capable of sliding along the rigid chain groove (55) is arranged in each rigid chain groove (55), the two rigid chains (52) are mutually engaged or separated, the free ends of the two rigid chains (52) are arranged to pass through the chain storage shell (51) and are fixedly connected to the same push-pull head (53), the push-pull head (53) is hingedly connected to the support assembly (2), a drive sprocket (56) is arranged on the chain winding seat outside one of the rigid chains (52), one side of the drive sprocket (56) is engaged with the corresponding rigid chain (52), the drive sprocket (56) is drivingly connected to a self-locking speed reducer motor (54), and the self-locking speed reducer motor (54) is fixedly mounted on the chain storage shell (51).

2. A rigid chain driven dual monopod tracking mount according to claim 1, wherein: The column assembly (1) comprises a bottom plate (11), a column (12) is integrally connected to the top of the bottom plate (11), a hinged support seat (13) is fixedly mounted on the top of the column (12), and the support assembly (2) is hingedly connected to the hinged support seat (13).

3. A rigid chain driven dual monopod tracking mount according to claim 2, wherein: A hinged mounting seat (14) is fixedly mounted on one side wall of the column (12), and the chain storage shell (51) is hingedly connected to the hinged mounting seat (14) through a pin shaft.

4. A rigid chain driven dual monopod tracking mount according to claim 3, wherein: The support assembly (2) comprises a mounting bracket (21) and a support bracket (22), and the mounting bracket (21) and the support bracket (22) are fixedly connected at one end of the vertical arrangement and are close to each other.

5. A rigid chain driven dual monopod tracking mount according to claim 4, wherein: The connection between the mounting bracket (21) and the support bracket (22) is hingedly mounted on the hinged support seat (13) of the column (12) through a pin shaft.

6. A rigid chain driven dual monopod tracking mount according to claim 5, wherein: A mounting surface is arranged on the support bracket (22), at least two bearing assemblies (23) for supporting and mounting the main beam (3) are mounted on the mounting surface, the main beam (3) is rotatably mounted on the support bracket (22) through the bearing assemblies (23), and the main beam (3) and the support bracket (22) are arranged in parallel.

7. A rigid chain driven dual monopod tracking mount according to claim 1, wherein: The swing arm assembly (7) comprises two mounting rods (71) symmetrically arranged on both sides of one of the bearing assemblies (23), and the two mounting rods (71) are both arranged above the main beam (3).

8. A rigid chain driven dual monopod tracking mount according to claim 7, wherein: Two installation rods (71) are integrally connected with connecting ears (72) on the sides away from each other, and the connecting ears (72) and the main beam (3) are fixedly connected together through U-shaped hoops.

9. A rigid chain driven dual monopod tracking mount according to claim 8, wherein: One end of the two installation rods (71) is fixedly connected with a connecting rod (73), and the bottom of the connecting rod (73) is fixedly installed with a connecting seat (74), and the connecting seat (74) is hingedly connected with the second rigid chain driving assembly (6) through a pin shaft.

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