Support rotation driving device

Abstract

The utility model discloses a support rotation driving device. The support rotation driving device comprises a bearing part and a driving part, the first pulley assembly is fixedly arranged close to the bearing part, and the second pulley assembly is fixedly arranged far away from the bearing part; the driving assembly is used for driving the bearing part to rotate and comprises first traction assemblies and second traction assemblies, the first traction assemblies are symmetrically arranged on the bearing part in a surrounding mode, the second traction assemblies are symmetrically arranged on the outer side of the second pulley assembly in an abutting mode, and the first traction assemblies are arranged on the inner side of the first pulley assembly in a sliding mode; the first flexible traction assembly and the second flexible traction assembly are matched to drive the bearing piece to rotate, the flexibility is improved, the pulley assembly is matched with the rigid connecting assembly to connect and restrain the first flexible traction assembly and the second flexible traction assembly, the fitting degree of a steel wire rope and the bearing piece is increased, and the service life of the steel wire rope is prolonged. And the problems of difficult installation and unstable fixation caused by a high-rigidity steel wire rope are reduced.

Description

Technical Field

[0001] The utility model relates to a support rotation driving device, belonging to the technical field of photovoltaic supports. Background Art

[0002] Photovoltaic power generation, as a clean energy source, is gaining increasing attention and application. Intelligently adjusting the angle of photovoltaic panels to maximize the amount of direct sunlight received can significantly improve power generation efficiency. This requires angle adjustment technology for photovoltaic panel mounting brackets.

[0003] During the design and use of existing photovoltaic module mounting bracket angle adjustment equipment, the drive mechanism's wire rope must be at least 20 mm thick and use high-rigidity, to ensure smooth rotation of the photovoltaic module mounting bracket without risk of breakage in harsh environments. This high-rigidity wire rope is difficult to bend and adjust, increasing the difficulty and complexity of installation. This excessive rigidity also compromises the fit between the wire rope and the support, resulting in unstable fixation and impacting the stability and precision of the bracket during rotation.

[0004] Therefore, the research purpose of the present invention is to design a driving device that can effectively reduce the rigidity of the wire rope, facilitate installation, ensure a firm fixation with the bearing component, and improve the rotation stability and precision of the bracket. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention aims to provide a bracket rotation drive device to solve the problems of the prior art.

[0006] In order to achieve the above purpose, the present invention is implemented through the following technical solutions:

[0007] A support rotation driving device includes: a rotatably arranged bearing member;

[0008] A second pulley assembly fixedly disposed away from the bearing member;

[0009] and a driving assembly for driving the bearing member to rotate, the driving assembly comprising:

[0010] A first flexible traction component disposed around the bearing member and abutting against a second flexible traction component disposed outside the second pulley component;

[0011] a driving assembly connecting one end of the first flexible traction assembly and one end of the second flexible traction assembly, and a rigid connecting assembly connecting one end of the first flexible traction assembly and the other end of the second flexible traction assembly;

[0012] Synchronously drive the carrier clockwise / counterclockwise to adjust the angle through the cooperation of the driving assembly with the first flexible traction assembly, the second flexible traction assembly and the rigid connection assembly.

[0013] As a further improvement, a first pulley assembly is fixedly arranged near the carrier, and the first flexible traction assembly is slidably arranged inside the first pulley assembly. The constraint of the first flexible traction assembly by the first pulley assembly increases the fit of the first flexible traction assembly with the carrier. The first pulley assembly and the second pulley assembly each include a set of symmetrically arranged pulleys and a fixing frame for fixing the two pulleys. The first flexible traction assembly is arranged to pass between the two pulleys of the first pulley assembly, and the second flexible traction assembly is arranged to surround the outside of the two pulleys of the second pulley assembly.

[0014] As a further improvement, the axial distance between the two pulleys in the same set is less than the diameter of the carrier.

[0015] As a further improvement, the first flexible traction assembly includes a first steel wire rope that fits around the outside of the carrier. The two ends of the first steel wire rope are bent inward, and the ends are fixedly connected to the rope body by a locking ring to form a first connecting ring and a second connecting ring. The first connecting ring is connected to the rigid connection assembly, and the second connecting ring is connected to the driving assembly.

[0016] As a further improvement, the second flexible traction assembly includes a second steel wire rope that fits around the outside of the carrier. The two ends of the two second steel wire ropes are bent inward, and the ends are fixedly connected to the rope body by a locking ring to form a third connecting ring and a fourth connecting ring. The third connecting ring is connected to the rigid connection assembly, and the fourth connecting ring is connected to the driving assembly.

[0017] As a further improvement, the rigid connection assembly includes a connecting rod that connects the first steel wire rope and the second steel wire rope. The two ends of the connecting rod are bent inward to form a first hook body and a second hook body. The first hook body is connected to the first connecting ring, and the second hook body is connected to the third connecting ring.

[0018] As a further improvement, the driving assembly includes a protective shell, an externally threaded rod rotatably installed inside the protective shell, and a motor for driving the externally threaded rod to rotate.

[0019] A set of suspension rods that pass through the protective shell in parallel, and an internally threaded lock disc that is vertically installed on the two suspension rods. The internally threaded lock disc is threadedly connected to the externally threaded rod.

[0020] Through the forward / reverse rotation cooperation of the motor and the externally threaded rod, the internally threaded lock disc drives the suspension rods to move upward / downward.

[0021] As a further improvement, the driving assembly further comprises a set of symmetrically mounted connecting plates at the end of the boom, a set of symmetrically arranged connecting rods on the connecting plates, the connecting rods penetrating through the fourth connecting ring from one end away from the second connecting ring, the connecting rods penetrating through the second connecting ring from one end away from the fourth connecting ring, and the connecting rods being bent towards the inside at the penetrating end and forming a fixing hook;

[0022] Wherein, the end of the connecting rod / boom towards the connecting plate is provided with external threads, and the connecting rod and the end of the boom are fixed by bolts.

[0023] As a further improvement, the first flexible traction assembly, the second flexible traction assembly, and the rigid connecting assembly are each provided with two.

[0024] The beneficial effects of the present application are as follows:

[0025] The present application uses the first flexible traction assembly and the second flexible traction assembly to drive the rotation of the bearing, which improves flexibility, and the first flexible traction assembly and the second flexible traction assembly are connected and constrained by the pulley assembly and the rigid connecting assembly, which increases the adhesion of the steel wire rope and the bearing and reduces the problems of installation difficulty and instability caused by high rigidity steel wire rope. The combination of flexible assembly and rigid connecting assembly ensures stability and high-precision adjustment during driving, thereby improving the efficiency of the support rotation.

[0026] Since the pulley fixed frame and the pulley spacing of the first and second pulley assemblies may limit the freedom of movement of the flexible traction assembly, by improving the pulley assembly, such as reducing the pulley spacing, the traction assembly can pass through the pulley assembly more smoothly, and the adhesion of the first flexible traction assembly and the bearing is improved, thereby improving the stability and responsiveness of the entire system.

[0027] Since a single set of traction assembly and connecting assembly may not be able to maintain the required stability and efficiency under high load or complex environment. By configuring two sets of traction assembly and connecting assembly, the overall strength and reliability of the system can be significantly improved, especially when long-term operation or in extreme environments.

[0028] In a windy environment, the photovoltaic panel support needs to withstand a large amount of wind force, and by setting the above settings, the rigidity of the steel wire rope is effectively reduced, which is convenient for installation and can ensure stable fixation with the bearing, thereby improving the stability and precision of the support rotation. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to make the technical scheme of the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiments. Obviously, the following drawings only show some embodiments of the present application, and should not be regarded as a limitation on the scope. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] Figure 1 is a partial enlarged structure schematic view of a support rotating driving device and a traction assembly of the present application.

[0031] Figure 2 is a partial enlarged structure schematic view of a support rotating driving device and a driving assembly of the present application.

[0032] Figure 3 is a partial enlarged structure schematic view of a traction assembly of another embodiment of a support rotating driving device of the present application.

[0033] Figure 4 is a partial enlarged structure schematic view of a driving assembly of another embodiment of a support rotating driving device of the present application.

[0034] 1, bearing; 2, first flexible traction assembly; 3, second flexible traction assembly; 4, first pulley assembly; 5, second pulley assembly; 6, driving assembly; 7, rigid connection assembly; 41, pulley; 42, fixing frame; 21, first steel wire rope; 22, first connecting ring; 23, second connecting ring; 31, second steel wire rope; 32, third connecting ring; 33, fourth connecting ring; 71, connecting rod; 72, first hook body; 73, second hook body; 61, protective shell; 62, external threaded rod; 63, motor; 64, boom; 65, internal threaded lock disc; 67, connecting plate; 68, connecting rod. DETAILED DESCRIPTION

[0035] In order to make the technical scheme of the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiments. Obviously, the following drawings only show some embodiments of the present application, and should not be regarded as a limitation on the scope. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0036] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0037] Because the driving force of the traditional angle adjusting device is uneven, the traditional unilateral driving mode is prone to efficiency loss and insufficient accuracy in force distribution, especially when the equipment structure is large, in severe weather such as strong wind and heavy snow, the impact of wind on the equipment is usually asymmetric, resulting in tilting or shaking of the equipment during adjustment, affecting the adjustment accuracy of the photovoltaic panel and the effect of receiving sunlight. Therefore, a support rotating driving device is designed to solve this problem.

[0038] Referring to Figures 1-3 A support rotating driving device is provided, comprising:

[0039] A bearing 1 is rotatably arranged;

[0040] A first pulley assembly 4 is fixedly arranged near the bearing 1, and a second pulley assembly 5 is fixedly arranged away from the bearing 1;

[0041] A driving assembly is arranged to drive the bearing 1 to rotate, and the driving assembly comprises:

[0042] A first flexible traction assembly 2 is arranged around the bearing 1, a second flexible traction assembly 3 is arranged on the outer side of the second pulley assembly 5, and the first flexible traction assembly 2 is arranged on the inner side of the first pulley assembly 4;

[0043] A driving assembly 6 is connected between one end of the first flexible traction assembly 2 and one end of the second flexible traction assembly 3, and a rigid connection assembly 7 is connected between one end of the first flexible traction assembly 2 and the other end of the second flexible traction assembly 3;

[0044] Wherein, the first pulley assembly 4 is arranged to constrain the first flexible traction assembly 2, thereby increasing the adhesion of the first flexible traction assembly 2 and the bearing 1;

[0045] Through the cooperation of the driving assembly 6, the first flexible traction assembly 2, the second flexible traction assembly 3 and the rigid connection assembly 7, the bearing 1 is synchronously adjusted clockwise or counterclockwise.

[0046] A photovoltaic support, such as a photovoltaic panel or heliostat, is mounted on a support 1. The support 1 is designed as a rotating disc, with its edge secured to the photovoltaic support by connecting members. Various methods exist for securing the support, including bolts or other accessories, or welding.

[0047] The first pulley assembly 4 is fixed at a position close to the carrier 1, and the second pulley assembly 5 is fixed at a position away from the carrier 1. In this way, the operating space and movement direction of the flexible traction assembly can be controlled.

[0048] The first flexible traction assembly 2 is disposed around the support member 1 and slidably mounted via the first pulley assembly 4. The second flexible traction assembly 3 is disposed outside the second pulley assembly 5. Both are connected by a rigid connection assembly 7 and a drive assembly 6, forming a stable drive structure. The support member 1 is provided with an arcuate groove that mates with the first steel rope 21.

[0049] When the photovoltaic panel angle needs to be adjusted, the driving assembly 6 is activated. The driving assembly 6 synchronously controls the first flexible traction assembly 2 and the second flexible traction assembly 3 to adjust the angle of the carrier 1 in a clockwise or counterclockwise direction.

[0050] The cooperation between the driving component 6 and the first flexible traction component 2, the second flexible traction component 3 and the rigid connection component 7 can synchronously adjust the angle of the carrier 1 to ensure that the photovoltaic panel is always facing the optimal position of the sun, thereby improving the power generation efficiency of the photovoltaic panel.

[0051] The coordination of the first flexible traction assembly 2, the second flexible traction assembly 3, the rigid connection assembly 7, and the bearing member 1 allows for adaptation to a variety of adverse weather conditions (e.g., high winds, heavy snow), and maintains precise regulation even under asymmetric external forces. In the case of large, unilaterally driven structures, where force distribution is uneven, the coordination of these components ensures precise regulation of the photovoltaic panel under asymmetric external forces (e.g., wind impact).

[0052] The first pulley assembly 4 and the second pulley assembly 5 each include a group of symmetrically arranged pulleys 41 and a fixing frame 42 for fixing the two pulleys 41. The first flexible traction assembly 2 passes between the two pulleys 41 of the first pulley group, and the second flexible traction assembly 3 surrounds the outside of the two pulleys 41 of the second pulley group.

[0053] The positioning member may be a wall, a fixing frame 42 , a fixing column or other fixed supporting bodies.

[0054] The purpose of doing so is to prevent the pulley block or the carrier 1 from moving or deforming due to external force or its own weight during the adjustment process, thereby ensuring the accuracy and safety of the adjustment process.

[0055] By designing the first flexible traction assembly 2 to pass through the first pulley assembly 4 and wrap around the second pulley assembly 5, the transmission of traction force has good directionality, ensuring that there is no distortion, deviation or imbalance of force during traction, thereby maintaining the stability and accuracy of angle adjustment.

[0056] When the device is used in harsh weather such as strong wind and heavy snow, the external impact force is usually asymmetric. Through the symmetrical arrangement of the pulley assembly 41 and the cooperation of the first and second flexible traction assemblies 2 and 3, the device can better resist these asymmetric disturbances, ensuring the stability and safety of the system.

[0057] To ensure the best balance between the distribution of traction force, the stability of the device, the accuracy of adjustment and adaptability, the axial distance between the two pulleys 41 in the same group is less than the diameter of the carrier 1.

[0058] The ratio of the axial distance between the pulleys 41 to the diameter of the carrier 1 is 1-2:3.

[0059] The specific ratio between the axial distance of the pulleys 41 and the diameter of the carrier 1 can optimize the distribution of traction force on the carrier 1. A smaller axial distance of the pulleys 41 (less than the diameter of the carrier 1) can ensure that the force exerted by the traction assembly on the carrier 1 during driving is more concentrated and evenly distributed in the central area of the carrier 1. This helps to avoid the situation that the carrier 1 is twisted, bent or unevenly stressed during adjustment.

[0060] If the ratio of the axial distance of the pulleys 41 to the diameter of the carrier 1 is improper, an excessively large distance causes the traction force to act on the edge of the carrier 1, increasing the risk of bending or instability. An excessively small distance cannot fully support the rotation of the entire carrier 1, reducing the effectiveness of adjustment. The ratio of 1-2:3 is chosen to balance the concentration and dispersion of force, ensuring that the carrier 1 remains stable during rotation and is not affected by mechanical imbalance.

[0061] The appropriate ratio can ensure that the force of the traction assembly on the carrier 1 precisely controls the rotation angle. A moderate axial distance of the pulleys 41 relative to the diameter of the carrier 1 means that the traction force can be transmitted to the carrier 1 in a more linear and controllable manner during driving, making the angle adjustment more accurate. This is crucial for the angle adjustment of photovoltaic panels or heliostats, as they need to be accurately aligned with the sun to improve energy conversion efficiency.

[0062] When the axial distance of the pulleys 41 is too small, the force exerted by the traction assembly on the carrier 1 will be more concentrated in the middle. This force concentration will cause the edge of the carrier 1 to lack sufficient support, increasing the stress in the middle of the carrier 1, which may cause the carrier 1 to bend, deform or even be damaged.

[0063] If the distance between the pulleys 41 is too small, the carrier 1 may become unstable during angle adjustment. The concentration of force can cause the device to shake or move irregularly during rotation, especially in adverse weather conditions such as strong winds or heavy snow, which can be more easily affected by asymmetric impacts, reducing the adjustment accuracy of the device.

[0064] If the distance between the pulleys 41 is too narrow, the angle between the flexible traction assembly and the pulleys 41 becomes steeper, increasing the friction between the pulleys 41 and the traction assembly. The increase in friction not only reduces the driving efficiency, but also accelerates the wear of the pulleys 41 and the traction assembly, shortening the service life of the device.

[0065] When the distance between the pulleys 41 is too small, the movement path of the traction assembly is limited, resulting in a smaller angle adjustment range, which cannot meet the demand for large-angle rotation of the device, thereby affecting the light efficiency of the photovoltaic panel.

[0066] When the distance between the pulleys 41 is too large, the force of the traction assembly acts on both ends or edges of the carrier 1, resulting in a wide dispersion range of force. Such force distribution makes the middle part of the carrier 1 lack sufficient support, thereby increasing the stress burden of the middle part, causing uneven stress in the middle region during adjustment, and even causing distortion or deformation.

[0067] The large distance between the pulleys 41 makes the transmission path of the traction force longer, increasing the shaking or shaking of the carrier 1 during force application. Such a situation is particularly prone to occur in large-size devices, making the adjustment process less stable and affecting the angle accuracy of the photovoltaic panel.

[0068] The larger distance between the pulleys 41 means that it is more difficult to control the precise angle change when the traction force is applied, as the force is prone to deviation or dispersion during transmission, resulting in inaccurate angle adjustment. This situation has a negative impact on the efficiency of the photovoltaic panel in capturing sunlight.

[0069] The large distance between the pulleys 41 requires more space for installation and operation, which can increase the overall size of the device, increasing the complexity and cost of installation and maintenance, especially in scenarios where space is limited or devices are installed compactly, which can be inconvenient.

[0070] By designing the distance between the two pulleys 41 in the same group to be less than the length of the carrier 1 and within the ratio range of 1-2:3, the force applied by the traction assembly to the carrier 1 can be evenly distributed throughout the carrier 1, rather than concentrated on one side or edge. This can avoid unbalanced moments during rotation, reduce shaking and tilting, and ensure the robustness of the device.

[0071] The pulley block forms a reasonable lever structure with the carrier 1, and the traction force is smoothly transmitted to the carrier 1 through the pulley 41 system, making the angle adjustment more precise and smooth. For the angle adjustment of photovoltaic panels, this precision can significantly improve the solar energy capture efficiency of the photovoltaic system, thereby improving the overall power generation efficiency.

[0072] The system can adapt to photovoltaic supports of different sizes. Whether it is a large photovoltaic panel or a small heliostat, the driving device can ensure optimal performance under different conditions by adjusting the ratio of the pulley 41 shaft spacing to the carrier 1 length. This ensures the versatility and customizability of the device in different application scenarios.

[0073] When the ratio of the pulley 41 shaft spacing to the carrier 1 length is between 1-2:3, the mechanical stress on the carrier 1 caused by the traction force is relatively small, avoiding excessive force concentration that can cause mechanical wear and fatigue. This not only prolongs the service life of the device, but also reduces maintenance costs and improves the long-term operational reliability of the system.

[0074] In order to ensure uniform force transmission, improve system stability and safety, and ensure the reliability and efficiency of the traction device during flexible traction.

[0075] The first flexible traction assembly 2 includes a first steel wire rope 21 that fits around the outer side of the carrier 1. The two ends of the first steel wire rope 21 are bent inward, and the ends are fixed and connected to the rope body by a locking ring, forming a first connection ring 22 and a second connection ring 23. The first connection ring 22 is connected to the rigid connection assembly 7, and the second connection ring 23 is connected to the driving assembly 6.

[0076] The second flexible traction assembly 3 includes a second steel wire rope 31 that fits around the outer side of the carrier 1. The two ends of the second steel wire rope 31 are bent inward, and the ends are fixed and connected to the rope body by a locking ring, forming a third connection ring 32 and a fourth connection ring 33. The third connection ring 32 is connected to the rigid connection assembly 7, and the fourth connection ring 33 is connected to the driving assembly 6.

[0077] The first flexible traction assembly 2 uses a steel wire rope to fit around the outer side of the carrier 1. The main purpose is to ensure that the steel wire rope is tightly fitted with the carrier 1, forming a stable traction structure. Through the design of the ring, the traction force of the steel wire rope can act uniformly on the outer surface of the carrier 1, rather than just concentrating on a certain point, avoiding damage or deformation caused by excessive local stress.

[0078] By bending and locking the ends of the steel wire ropes of the first and second flexible traction assemblies 2, 3 to form connecting rings (first, second, third, and fourth connecting rings), the fixation of the ends of the steel wire ropes can be ensured to be more reliable. The ring structure formed by bending and locking on the rope body itself makes the connection more stable, avoiding loosening or falling off of the steel wire ropes due to uneven stress or long-term use during operation. The strength and reliability of the connection are strengthened.

[0079] By connecting the first and third connecting rings 22, 32 with the rigid connection assembly 7, it is ensured that the flexible traction assembly can be effectively fixed with the hard structure part of the system. The second and fourth connecting rings 23, 33 are connected with the drive assembly 6, ensuring that the traction force can be accurately transmitted to the steel wire rope through the drive assembly 6, thereby realizing the control of the load carrier 1. The purpose of this design is to effectively combine the flexible and rigid parts, retaining the flexibility of the system while enhancing the stability of the structure.

[0080] The design of the steel wire rope around the load carrier 1 ensures that the traction force is evenly distributed on the surface of the load carrier 1. This uniform distribution of force avoids local stress concentration and reduces deformation or damage of the load carrier 1 due to uneven stress. Especially in large-sized equipment, uniform traction force can ensure stable and accurate adjustment of the angle.

[0081] The connecting ring structure formed by bending and locking the ends of the steel wire rope provides higher connection strength and stability. Through the reinforcement of the fixing points, the steel wire rope is less likely to loosen or slip during operation, especially when the system is in long-term operation or under large external forces (such as wind and snow), which can maintain the stability and safety of the traction system.

[0082] Due to the high strength and wear resistance of the steel wire rope, and the durability enhanced by the locking ring fixation method, the failure of the steel wire rope due to fatigue or wear can be reduced. In addition, the locking of the steel wire rope on the rope body can avoid end breakage, reduce maintenance costs, and improve the safety and long-term reliability of the system.

[0083] The first and third connecting rings 22, 32 are connected with the rigid connection assembly 7, while the second and fourth connecting rings 23, 33 are connected with the drive assembly 6, ensuring efficient transmission between the flexible traction part and the rigid structure. Such a design can both maintain flexibility during adjustment and ensure accurate transmission of traction force. The flexible steel wire rope reduces vibration or impact caused by rigid structures during traction, and the rigid connection part ensures the stability and accuracy of adjustment.

[0084] By winding the flexible steel wire rope around the outside of the bearing 1 and forming a connecting ring through bending and locking, the design achieves uniform force transmission, system stability and durability. The efficient transmission design between the flexible traction assembly and the rigid connection assembly 7 and the driving assembly 6 ensures the precise adjustment of the equipment during operation, while improving the safety and reliability of the equipment for long-term use. The advantages of flexibility and rigidity are well balanced, and it is suitable for application scenarios such as photovoltaic angle adjustment systems that require high precision and high stability.

[0085] Since the smaller diameter steel wire rope is more flexible than the larger diameter steel wire rope, it can more easily adapt to the subtle adjustments of the equipment. Especially in photovoltaic panel angle adjustment systems, smaller steel wire ropes can achieve faster response speed and higher precision, allowing the equipment to react more quickly to changes in the position of the sun, improving the energy capture efficiency of the overall photovoltaic system.

[0086] The existing single steel wire design has a diameter of at least 20mm after plastic coating, and a diameter of up to 22mm, with a tensile strength of 1770Mpa, capable of resisting 8-grade wind and snow environment.

[0087] Steel wire rope is made by winding multiple thin steel wires. Among them, the steel wire rope is usually made by winding several strands (usually 6 or 8 strands) around the core, and each strand contains multiple thin steel wires.

[0088] For example, 6x19 strands: 6 strands, each strand composed of 19 thin steel wires, 6x37 strands: 6 strands, each strand composed of 37 thin steel wires. If higher flexibility and greater load capacity are required, 8 strands of steel wire rope are also used.

[0089] In this embodiment, 6x37 thin steel wires are selected for winding. This structure can provide higher tensile strength while ensuring the flexibility of the steel wire rope, suitable for photovoltaic systems that require frequent angle adjustment. The design of more strands can effectively distribute the load, reduce the stress concentration of individual steel wires, and provide better wear resistance and fatigue resistance, achieving a tensile strength of 1770MPa and wind and snow resistance.

[0090] In addition, the steel wire rope is usually made of high-strength carbon steel. High-strength carbon steel has excellent tensile and fatigue resistance, can maintain stability under high stress conditions, and has a certain toughness to avoid brittle fracture.

[0091] In order to further enhance the weather resistance and corrosion resistance of the steel wire rope, galvanized steel wire rope is used in this embodiment. The zinc plating layer can effectively resist moisture, rain and snow, and corrosive substances in the environment, prolonging the service life of the steel wire rope. In applications such as photovoltaic systems that are exposed to outdoor environments for a long time, galvanizing can effectively prevent performance degradation of the steel wire rope due to rust.

[0092] The coating material on the outer layer of the steel wire rope not only enhances the corrosion resistance of the steel wire rope, but also reduces friction and wear, and prolongs the service life. The coating material can be polyethylene (PE): the polyethylene coating has excellent chemical corrosion resistance and wear resistance, and also has good flexibility, which can well adapt to the bending and movement of the steel wire rope.

[0093] Polyvinyl chloride (PVC): The polyvinyl chloride coating has good waterproofness and chemical corrosion resistance, and the surface is smooth, which effectively reduces friction. The PVC coating is relatively hard and can provide additional mechanical protection.

[0094] Polyurethane (PU): Characteristics: The polyurethane coating has good elasticity, excellent wear resistance and tear resistance, and can provide excellent weather resistance. Compared with PE and PVC, the PU coating is softer and has a comfortable feel.

[0095] Nylon (PA): Characteristics: The nylon coating has very high wear resistance and toughness, can withstand high impact load, and has excellent self-lubricating properties to reduce friction during operation.

[0096] In this embodiment, the coating is polyvinyl chloride (PVC) coating. Due to its excellent chemical resistance, low friction coefficient and moderate cost, it is suitable for general outdoor photovoltaic system use. The PE coating is flexible and can adapt to the bending and movement of the steel wire rope, and maintains stable performance in low temperature environment, which is an economical and efficient choice.

[0097] The rigid connection assembly 7 includes a first connecting rod 71 connecting the first steel wire rope and the second steel wire rope 31, and the two ends of the first connecting rod 71 are bent inward to form a first hook body 72 and a second hook body 73. The first hook body 72 is connected with the first connecting ring 22, and the second hook body 73 is connected with the third connecting ring 32.

[0098] The distance between the end of the first hook body 72 and the second hook body 73 and the main body is less than 1-1.5mm of the diameter of the first steel wire rope 21 and the second steel wire rope 31. The diameter of the connecting rod 68 is greater than the diameter interval of the first steel wire rope 21 and the second steel wire rope 31 by 2-3mm.

[0099] The distance between the end of the hook body and the main body is controlled within the range of 1-1.5mm smaller than the diameter of the steel wire rope, which aims to ensure that the hook body can firmly grasp the steel wire rope, thereby avoiding the steel wire rope from slipping or loosening during operation.

[0100] By reducing the distance between the end of the hook body and the main body, the steel wire rope is firmly fixed under the action of tension, reducing the degree of freedom of the steel wire rope at the connection point, and thereby improving the overall stress stability of the system.

[0101] Through the cooperation of the first flexible traction assembly 2, the second flexible traction assembly 3 and the rigid connection assembly 7, the driving assembly 6 can realize the synchronous control of the bearing 1, so as to ensure that the photovoltaic support can accurately and smoothly adjust the angle. Through the design of the pulley assembly and the flexible traction assembly, the stability of the entire photovoltaic support in windy weather can be enhanced, and the destructive effect of wind on the equipment can be reduced.

[0102] The first pulley assembly 4 and the second pulley assembly 5 are both fixedly installed on the positioning member.

[0103] The driving assembly 6 further includes a set of connecting plates 67 symmetrically installed at the end of the pull rod 64, and a set of second connecting rods 68 symmetrically arranged on the connecting plates 67. The second connecting ring 23 is connected to the connecting plate 67 through the second connecting rod 68, specifically, the second connecting rod 68 is bent to form a fixed part after penetrating the second connecting ring 23.

[0104] The fourth connecting ring 33 is connected to the connecting plate 67 through the second connecting rod 68, specifically, the second connecting rod 68 is bent to form a fixed part after penetrating the fourth connecting ring 33.

[0105] The end of the second connecting rod 68 / pull rod 64 towards the connecting plate 67 is provided with an external thread, and the second connecting rod 68 and the end of the pull rod 64 are both fixed by bolts.

[0106] Specifically, the connecting plate 67 is divided into five equal parts by length, and the second connecting rod 68 and the pull rod 64 are respectively arranged on the second / third equal line from the center area towards the equal line on both sides.

[0107] By dividing the connecting plate 67 into five equal parts by length, and installing the second connecting rod 68 and the pull rod 64 on the second / third equal line respectively, a symmetrical layout can be realized, so that the system is more uniform in load bearing. The uniformly distributed force can effectively avoid eccentric load or stress concentration, and improve the stability of the entire structure.

[0108] And installing the second connecting rod 68 and the pull rod 64 on the equal line close to the center can help to transfer the load to the center area of the connecting plate 67, so that the stress of the overall structure is more balanced, the excessive stress concentration of the edge part is reduced, and fatigue or local deformation is avoided.

[0109] To prevent falling off and enhance fixation, the end of the second connecting rod 68 is bent into a fixed hook, which can provide additional physical limitation for the system, prevent the second connecting rod 68 from sliding out of the connecting ring, and improve the safety of the connection. This design not only increases the stability of the structure, but also enhances the shock resistance and impact resistance, avoiding the problem of loosening caused by vibration or external force.

[0110] The bending design also makes it easier to install and fix the second connecting rod 68, simplifying the installation steps during assembly, and ensuring the tightness and reliability of the installation through the self-locking characteristics of the mechanical structure.

[0111] The second connecting rod 68 and the end of the pull rod 64 are provided with external threads and are fixed by bolts, which can achieve accurate adjustment and strong fixation of the second connecting rod 68 and the pull rod 64. This threaded structure can ensure that the connecting components are tightly fitted, avoiding loosening due to external forces or vibrations.

[0112] Threaded connections perform well in terms of tensile and shear resistance, especially for structures that need to withstand large tensile or shear forces. By bolting and fixing, the strength of the connection point can be further enhanced to prevent slipping or breaking under high stress.

[0113] It is emphasized that no less than 2 bolts are provided at each link.

[0114] In order to ensure that the motor 63 can work reliably in low temperature and cold environment, the following types of motors 63 are usually selected, which not only meet the basic driving requirements, but also have cold resistance and stability:

[0115] Brushless DC motor, brushless DC motor has high efficiency and good energy consumption performance in cold environment, and can work for a long time without excessive energy loss. Since there is no brush, BLDC motor can also avoid performance degradation due to component wear in low temperature environment, while reducing maintenance requirements, especially suitable for driving systems of outdoor equipment in cold regions. Brushless DC motor can still maintain good starting performance at low temperature, and will not be difficult to start due to too low temperature. BLDC motor is suitable for precise control scenarios such as automation equipment, robots and wind power equipment in cold regions.

[0116] Permanent magnet synchronous motor, PMSM motor has higher efficiency than asynchronous motor, especially the motor using rare earth permanent magnet material, which can maintain stable magnetic performance in extremely cold environment and will not be affected by temperature change. Due to the strong magnetism of rare earth permanent magnet material in low temperature environment, the motor can still maintain high power output and high efficiency operation in low temperature. Some PMSM motors use special bearing lubricating oil and low temperature materials. In this embodiment, the motor 63 adopts permanent magnet synchronous motor 63, which has stable magnetic performance and is suitable for precise control occasions, and can still maintain high efficiency operation in low temperature environment. Not only has good cold resistance, but also can ensure the reliability and stability of the system in bad weather conditions.

[0117] Embodiment 2

[0118] Reference Figure 4As shown, the present embodiment is substantially the same as Embodiment 1, except that the first flexible traction assembly 2, the second flexible traction assembly 3, and the rigid connection assembly 7 are each provided with two wires.

[0119] In the present scheme, the first steel wire rope 21 and the second steel wire rope 31 have a diameter in the range of 8-14 mm. After plastic coating, the diameter is in the range of 10-16 mm. In the present embodiment, the first steel wire rope 21 and the second steel wire rope 31 have a diameter of 10 mm, and after plastic coating, the diameter is 12 mm. The tensile strength is 1770 MPa, and the steel wire rope can withstand an eight-grade wind and snow environment.

[0120] The use of smaller diameter steel wire ropes (e.g., 8-14 mm) can reduce the amount of material used, thereby reducing production and maintenance costs. Despite the reduction in diameter, the steel wire ropes still provide sufficient tensile strength (1770 MPa) and can withstand an eight-grade wind and snow environment, indicating that these smaller diameter steel wire ropes have met the strength requirements for practical applications.

[0121] The use of thinner steel wire ropes can significantly reduce the overall weight of the system, reducing structural loads. This is particularly important for large-scale photovoltaic systems, as lighter components mean that the entire system can use lighter supports and infrastructure without sacrificing stability and safety, reducing the need for structural materials and installation costs.

[0122] At the same time, the friction in the pulley 41 system is smaller, making the traction system more efficient. At the same time, the diameter after plastic coating is between 10-16 mm, and this layer of plastic coating can effectively reduce the direct contact between the steel wire rope and other metal components, reducing friction and wear, and prolonging the service life of the steel wire rope and the pulley 41.

[0123] The diameter of the steel wire rope after plastic coating (10-16 mm) not only provides a physical protective layer to prevent the steel wire rope from being exposed to harsh environments and corroded and aged, but also increases the wear resistance of the steel wire rope. This is crucial for the durability of photovoltaic systems used outdoors for a long time, as it can reduce the risk of performance degradation and failure of the steel wire rope due to environmental factors.

[0124] The first and second steel wire ropes 31 have a diameter in the range of 8-14 mm (10-16 mm after plastic coating), which matches their tensile strength of 1770 MPa. This combination ensures that the diameter is reduced without sacrificing the tensile performance of the steel wire rope. This ensures that the equipment can still work normally in harsh environments such as wind and snow, and will not cause equipment failure due to the rupture or failure of the steel wire rope.

[0125] The steel wire rope with a diameter of 10 mm (12 mm after plastic coating) is of a moderate size, which reduces the material and weight while ensuring sufficient strength and wind and snow resistance. It can reduce costs and improve the convenience of construction and installation while meeting the strength and environmental adaptability requirements. It makes the steel wire rope more flexible and can be used in various sizes and types of photovoltaic systems or similar equipment. The smaller diameter and high-strength design also make it suitable for modern equipment with lightweight design, which is beneficial for wide market application and equipment upgrading.

[0126] The steel wire rope with a smaller diameter (8-14 mm, 10-16 mm after plastic coating) ensures high tensile strength (1770 Mpa) and wind and snow resistance of grade 8, and optimizes the weight, cost and durability of the system. In this way, the design realizes lightweight, fast response, high durability and better environmental adaptability without sacrificing system performance and stability. The data shows that the safety, economy and efficiency are balanced, and it is suitable for various application scenarios and actual operating conditions.

[0127] Single-sided driving is prone to force imbalance due to uneven driving force, while the device uses symmetric bilateral driving to ensure balanced driving force, effectively prevent tilting and shaking, and improve the accuracy and efficiency of adjustment. The device can cope with asymmetric external impacts such as wind or snow force in harsh weather, so that the photovoltaic panel can still operate stably under strong wind or heavy snow conditions. Thanks to the symmetric traction design and the synchronous action of the rigid connection component 7, the angle adjustment accuracy of the carrier 1 is greatly improved, which helps to improve the overall efficiency of the photovoltaic system. The device can adapt to different sizes of equipment and various harsh environments, has stronger universality and reliability, and meets the high-precision angle adjustment requirements of photovoltaic panels in different scenarios.

[0128] In the single-sided driving mode, the force distribution is often concentrated in the middle, but when subjected to external factors such as 8-level strong wind, it is easy to cause uneven force on the equipment, especially when the equipment is large or subjected to external impact, single-sided driving cannot effectively cope. By symmetrically arranging the first pulley assembly 4 and the second pulley assembly 5, and setting two first flexible traction components 2, second flexible traction components 3, and rigid connection components 7 to cooperate, the force on the entire system during driving can be more uniform, avoiding tilting and instability.

[0129] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described clearly in the technical principle of the design, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;

[0130] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof can be known by the technical personnel in the field through a technical manual or through a conventional experimental method.

[0131] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and for the technical personnel in the field, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A stent-rotating drive device characterized by comprising: The application relates to a rotating bearing (1), a second pulley assembly (5) fixedly arranged away from the bearing (1), and a driving assembly for driving the bearing (1) to rotate, which comprises: a first flexible traction assembly (2) arranged around the bearing (1) and abutting against a second flexible traction assembly (3) arranged outside the second pulley assembly (5); a driving assembly (6) connecting one end of the first flexible traction assembly (2) with one end of the second flexible traction assembly (3) and a rigid connecting assembly (7) connecting one end of the first flexible traction assembly (2) with the other end of the second flexible traction assembly (3); and the first flexible traction assembly (2), the second flexible traction assembly (3) and the rigid connecting assembly (7) are synchronously driven by the driving assembly (6) to adjust the angle of the bearing (1) clockwise or counterclockwise. The application further comprises a first pulley assembly (4) fixedly arranged close to the bearing (1), the first flexible traction assembly (2) is arranged inside the first pulley assembly (4), the first pulley assembly (4) is used for restricting the first flexible traction assembly (2) to increase the adhesion between the first flexible traction assembly (2) and the bearing (1). The first pulley assembly (4) and the second pulley assembly (5) each comprise a plurality of symmetrical pulleys (41) and a fixed frame (42) for fixing the pulleys (41), the first flexible traction assembly (2) passes through the two pulleys (41) of the first pulley assembly (4), and the second flexible traction assembly (3) is arranged around the outside of the two pulleys (41) of the second pulley assembly (5). The two pulleys (41) in the same group have an axial distance smaller than the diameter of the bearing (1). The first flexible traction assembly (2) comprises a first steel wire rope (21) arranged around the outside of the bearing (1), the two ends of the first steel wire rope (21) are bent inward, and the ends are fixedly connected to the rope body by means of a locking ring to form a first connecting ring (22) and a second connecting ring (23), the first connecting ring (22) is connected with the rigid connecting assembly (7), and the second connecting ring (23) is connected with the driving assembly (6). The second flexible traction assembly (3) comprises a second steel wire rope (31) arranged around the outside of the bearing (1), the two ends of the second steel wire rope (31) are bent inward, and the ends are fixedly connected to the rope body by means of a locking ring to form a third connecting ring (32) and a fourth connecting ring (33), the third connecting ring (32) is connected with the rigid connecting assembly (7), and the fourth connecting ring (33) is connected with the driving assembly (6). The rigid connecting assembly (7) comprises a first connecting rod (71) connecting the first steel wire rope (21) and the second steel wire rope (31), the two ends of the first connecting rod (71) are bent inward to form a first hook body (72) and a second hook body (73), the first hook body (72) is connected with the first connecting ring (22), and the second hook body (73) is connected with the third connecting ring (32).

2. The support rotation driving device according to claim 1, characterized by: ​ ​ 3. The support rotation driving device according to claim 1, characterized by: ​ 4. The support rotating drive device according to claim 1, characterized in that: ​ 5. The drive apparatus according to claim 4, wherein: ​ 6. A support rotation driving device according to claim 5, characterized in that: ​ 7. A support rotation driving device according to claim 6, characterized in that: The driving assembly (6) comprises a protective shell (61), an outer threaded rod (62) rotatably installed in the protective shell (61), and a motor (63) for driving the outer threaded rod (62) to rotate; A set of hangers (64) penetrating through the protective shell (61) in parallel, and an inner threaded lock disc (65) vertically installed on two hangers (64), the inner threaded lock disc (65) being in threaded connection with the outer threaded rod (62); Through the forward / reverse rotation cooperation of the motor (63) and the outer threaded rod (62), the inner threaded lock disc (65) is driven to move upward / downward with the hangers (64).

8. The stent rotating driving device according to claim 7, characterized in that: The driving assembly (6) further comprises a set of connecting plates (67) symmetrically installed at the end of the hangers (64), a set of second connecting rods (68) symmetrically arranged on the connecting plates (67), one end of each second connecting rod (68) away from the connecting plate (67) being fixedly connected with the fourth connecting ring (33), and the other end of each second connecting rod (68) away from the connecting plate (67) being fixedly connected with the second connecting ring (23); Wherein, one end of each second connecting rod (68) / hanger (64) towards the connecting plate (67) is provided with an outer thread, and the end of each second connecting rod (68) and the end of each hanger (64) are fixed by bolts.

9. The drive apparatus according to claim 8, wherein: The first flexible traction assembly (2), the second flexible traction assembly (3), and the rigid connecting assembly (7) are each provided with two.

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