Photovoltaic push rod with tail pull structure

Abstract

The present invention relates to a photovoltaic push rod with a tail pull structure. The present invention includes a connecting shell, which includes: a hollow cylindrical shell seat and a first cylindrical connecting seat and a second cylindrical connecting seat respectively connected to the two opposite side surfaces of the side wall of the hollow cylindrical shell seat; a transmission shaft, the two ends of the transmission shaft are respectively rotatably connected to the first cylindrical connecting seat and the second cylindrical connecting seat, and the transmission shaft is connected to a first gear; a tail pull seat, the tail pull seat is connected to one axial end of the hollow cylindrical shell seat; an outer tube, the outer tube is connected to the other axial end of the hollow cylindrical shell seat; a screw rod, the screw rod is sleeved in the outer tube, and one end of the screw rod is connected to a second gear meshing with the first gear; an inner tube, the inner tube is sleeved outside the screw rod, and the inner tube is connected to a screw rod nut slidably connected to the screw rod. The present invention has a simple structure and good adaptability, which greatly reduces the assembly time of on-site workers and saves costs.

Description

Technical Field

[0001] The invention relates to the technical field of solar power generation, in particular to a photovoltaic push rod with a tail pull structure. Background Art

[0002] In the energy field, solar energy is increasingly used as a clean and renewable energy source. In the solar energy field, there are two types of solar power generation: photovoltaic power generation and solar thermal power generation.

[0003] Traditional fuel energy is decreasing day by day, and the harm it causes to the environment is becoming increasingly prominent. At the same time, there are nearly 2 billion people in the world who do not have access to normal energy supply. Renewable energy can change the energy structure of mankind and maintain long-term sustainable development. The hottest new energy field is solar energy. According to statistics, the energy generated by the sun shining on the earth for one hour is enough to meet the world's current energy needs for the whole year. Therefore, countries around the world have successively invested in the solar photovoltaic power generation industry, which has promoted the rapid development of the global solar photovoltaic power generation industry.

[0004] Since the beginning of the new century, the solar photovoltaic industry has become one of the most popular emerging industries in the world today. Photovoltaic power generation does not require fuel and has no gas emissions. It is a "green" industry with the characteristics of no pollution, safety, long life, simple maintenance, never exhausted and wide distribution of resources. It is considered to be the most important new energy in the 21st century and can be widely used in aerospace, communications, energy, agriculture, office facilities, transportation and residential areas. China's photovoltaic industry has rapidly expanded its scale through technology introduction and innovation, and has now developed into one of the world's largest photovoltaic industry manufacturing bases.

[0005] At present, the multi-point driven photovoltaic support system uses multiple push rods as the driving source, and the push rods are evenly distributed on the columns of the photovoltaic support. The push rods perform linear motion, drive the support arm, realize the rotation of the support main beam, and further realize the multi-angle movement of the photovoltaic module, so that the photovoltaic module forms the best angle with the sun, and maximizes the conversion of light energy into electrical energy. Among them, the connection between the photovoltaic push rod and the support varies due to different geographical locations, climatic conditions, etc., and the interface of the support also varies. Different manufacturers have their own experience and data support for the calculation of the support and other issues. The assembly time of some supports and push rods is long, the flexibility is poor, and the cost is increased. Summary of the invention

[0006] To this end, the present invention provides a photovoltaic push rod with a tail pull structure, which can be easily and quickly disassembled and assembled, thereby reducing the use cost.

[0007] In order to solve the above technical problems, the present invention provides a photovoltaic push rod with a tail pull structure, comprising:

[0008] A connecting shell, the connecting shell comprising: a hollow cylindrical shell seat, and a first cylindrical connecting seat and a second cylindrical connecting seat respectively connected to two opposite side surfaces of the side wall of the hollow cylindrical shell seat;

[0009] A transmission shaft, both ends of which are rotatably connected to a first cylindrical connection seat and a second cylindrical connection seat respectively, and the transmission shaft is connected to a first gear;

[0010] A tail pull seat, the tail pull seat is connected to one axial end of the hollow cylindrical shell seat;

[0011] An outer tube connected to the other axial end of the hollow cylindrical shell seat;

[0012] A screw rod, the screw rod is sleeved in the outer tube, and one end of the screw rod is connected to a second gear meshing with the first gear;

[0013] The inner tube is sleeved outside the screw rod, and the inner tube is connected with a screw rod nut which is slidably connected to the screw rod.

[0014] In one embodiment of the present invention, first deep groove ball bearings are respectively provided in the first cylindrical connecting seat and the second cylindrical connecting seat, and both ends of the transmission shaft are rotatably connected to the first cylindrical connecting seat and the second cylindrical connecting seat respectively through the first deep groove ball bearings.

[0015] In one embodiment of the present invention, the tail pull seat includes a bottom cover connected to one axial end of the hollow cylindrical shell seat and a fisheye joint connected to the bottom cover, and the fisheye joint is connected to an upper hinged ear seat.

[0016] In one embodiment of the present invention, a flange connecting plate is extended axially toward the other end of the hollow cylindrical shell seat, the flange connecting plate is provided with a second main connecting hole, the flange connecting plate is connected to an outer tube connecting seat through the second main connecting hole, and the outer tube is connected to the flange connecting plate through the outer tube connecting seat.

[0017] In one embodiment of the present invention, the first cylindrical connecting seat is axially provided with a first side connecting hole, and the first cylindrical connecting seat is connected to a side flange through the first side connecting hole.

[0018] In one embodiment of the present invention, the second cylindrical connecting seat is axially provided with a second side connecting hole, the second cylindrical connecting seat is connected to a motor seat through the second side connecting hole, the motor seat is installed with a driving motor, and the output end of the driving motor is connected to one end of the transmission shaft.

[0019] In one embodiment of the present invention, half couplings are connected to both ends of the transmission shaft, and the half couplings are provided with connecting ear seats.

[0020] In one embodiment of the present invention, both ends of the transmission shaft are further connected to telescopic connecting pipes via connecting ear seats.

[0021] In one embodiment of the present invention, a bearing mounting seat is provided between the interior of the outer tube connecting seat and the interior of the hollow cylindrical shell seat, and the end of the screw rod is connected to a thrust bearing and a second deep groove ball bearing installed on the bearing mounting seat.

[0022] In one embodiment of the present invention, the outer end of the inner tube is connected to a fisheye connecting seat.

[0023] The above technical solution of the present invention has the following advantages compared with the prior art:

[0024] The photovoltaic push rod with a tail pull structure described in the present invention is conveniently connected to various components of the bracket by arranging multiple connection structures on the integral connecting shell. It has a simple structure and good adaptability, and is easy to connect, which greatly reduces the assembly time of on-site workers and saves costs. The photovoltaic push rod with an ear axis structure makes the photovoltaic bracket bear force smoothly, has a certain protective effect on the stability of the entire photovoltaic bracket, and extends the life of the photovoltaic bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein

[0026] Figure 1 It is a structural schematic diagram of the connection shell of the present invention.

[0027] Figure 2 It is a structural schematic diagram of the connection shell of the present invention from another side perspective.

[0028] Figure 3 It is a schematic diagram of the structure of the photovoltaic push rod with a tail pull structure of the present invention.

[0029] Figure 4 It is a front schematic diagram of a photovoltaic push rod with a tail pull structure of the present invention.

[0030] Figure 5 yes Figure 4 Cross-sectional view along CC direction.

[0031] Figure 6 It is a schematic diagram of the photovoltaic push rod with a tail pull structure of the present invention being installed on a photovoltaic bracket.

[0032] Figure 7 It is a schematic diagram of the photovoltaic push rod with a tail pull structure of the present invention being installed on the other side of the photovoltaic bracket.

[0033] Description of the reference numerals in the specification: 100, connecting shell; 200, rocker arm assembly; 210, support; 220, rocker arm; 300, column; 400, main beam; 500, rotating tube; 600, photovoltaic module; 700, connecting frame;

[0034] 1. Hollow cylindrical shell seat; 11. First main connecting hole; 12. Second main connecting hole; 13. Flange connecting plate; 2. First cylindrical connecting seat; 21. First side connecting hole; 22. Side flange; 3. Second cylindrical connecting seat; 31. Second side connecting hole; 32. First deep groove ball bearing;

[0035] 4. Transmission shaft; 41. First gear; 42. Half coupling; 43. Connecting ear seat; 44. Telescopic connecting pipe; 5. Tail pull seat; 51. Bottom cover; 52. Fisheye joint; 6. Outer tube; 61. Outer tube connecting seat; 7. Screw; 71. Second gear; 8. Inner tube; 81. Screw nut; 82. Upper hinged ear seat; 83. Thrust bearing; 84. Second deep groove ball bearing; 85. Fisheye connecting seat; 9. Motor seat; 91. Drive motor. DETAILED DESCRIPTION

[0036] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0037] Reference Figures 1 to 5 As shown, a photovoltaic push rod with a tail pull structure includes:

[0038] A connecting shell 100, comprising: a hollow cylindrical shell seat 1, and a first cylindrical connecting seat 2 and a second cylindrical connecting seat 3 respectively intersecting and connecting with two opposite side surfaces of the side wall of the hollow cylindrical shell seat 1;

[0039] A transmission shaft 4, wherein both ends of the transmission shaft 4 are rotatably connected to the first cylindrical connection seat 2 and the second cylindrical connection seat 3 respectively, and the transmission shaft 4 is connected to a first gear 41;

[0040] A tail pull seat 5, wherein the tail pull seat 5 is connected to one axial end of the hollow cylindrical shell seat 1;

[0041] An outer tube 6, the outer tube 6 is connected to the other axial end of the hollow cylindrical housing 1;

[0042] A screw rod 7, wherein the screw rod 7 is sleeved in the outer tube 6, and one end of the screw rod 7 is connected to a second gear 71 meshing with the first gear 41, and the first gear 41 is a bevel gear;

[0043] The inner tube 8 is sleeved on the screw rod 7 , and the inner tube 8 is connected with a screw rod nut 81 which is slidably connected to the screw rod 7 .

[0044] Specifically, first deep groove ball bearings 32 are respectively provided in the first cylindrical connecting seat 2 and the second cylindrical connecting seat 3 , and both ends of the transmission shaft 4 are rotatably connected to the first cylindrical connecting seat 2 and the second cylindrical connecting seat 3 through the first deep groove ball bearings 32 .

[0045] Specifically, the tail pull seat 5 includes a bottom cover 51 connected to one axial end of the hollow cylindrical shell seat 1 and a fisheye joint 52 connected to the bottom cover 51 , and the fisheye joint 52 is connected to an upper hinged ear seat 82 .

[0046] Specifically, a flange connection plate 13 is extended axially from the other end of the hollow cylindrical shell seat 1, and the flange connection plate 13 is provided with a second main connection hole 12. The flange connection plate 13 is connected to an outer tube connection seat 61 through the second main connection hole 12, and the outer tube 6 is connected to the flange connection plate 13 through the outer tube connection seat 61.

[0047] Specifically, the first cylindrical connecting seat 2 is axially provided with a first side connecting hole 21 , and the first cylindrical connecting seat 2 is connected to a side flange 22 via the first side connecting hole 21 .

[0048] Specifically, the second cylindrical connecting seat 3 is axially provided with a second side connecting hole 31, and the second cylindrical connecting seat 3 is connected to the motor seat 9 through the second side connecting hole 31. The motor seat 9 is installed with a driving motor 91, and the output end of the driving motor 91 is connected to one end of the transmission shaft 4, and the driving motor 91 includes a reduction motor.

[0049] More specifically, the bottom cover 51 and one axial end of the hollow cylindrical shell seat 1, the side flange 22 and the first cylindrical connecting seat 2, the flange connecting plate 13 and the outer tube connecting seat 61, and the motor seat 9 and the second cylindrical connecting seat 3 are all connected by bolts, making disassembly and assembly more convenient.

[0050] Specifically, the two ends of the transmission shaft 4 are also connected with half couplings 42, and the half couplings 42 are provided with connecting ears 43. The two ends of the transmission shaft 4 are also connected with telescopic connecting pipes 44 through the connecting ears 43, and the telescopic connecting pipes 44 are convenient for connection with external photovoltaic brackets.

[0051] Specifically, a bearing mounting seat is provided between the inner part of the outer tube connection seat 61 and the inner part of the hollow cylindrical shell seat 1, and the end of the screw rod 7 is connected with a thrust bearing 83 and a second deep groove ball bearing 84 mounted on the bearing mounting seat. The screw rod 7 is a trapezoidal screw rod 7, and the screw rod nut 81 is a trapezoidal nut. The thrust bearing 83 can bear the axial spinning force of the screw rod 7 during the spinning process, and the second deep groove ball bearing 84 can ensure the radial runout of the screw rod 7.

[0052] Specifically, the outer end of the inner tube 8 is connected with a fisheye connector 85 to facilitate connection with an external photovoltaic support.

[0053] When the present invention is used, Figure 6 and Figure 7 As shown, the upper hinged ear seat 82 connected by the fisheye joint 52 is connected to the rocker arm assembly 200 of the photovoltaic bracket. The photovoltaic bracket also includes a column 300, a main beam 400, a rotating tube 500, a photovoltaic assembly 600, etc. The rocker arm assembly 200 includes a support 210 arranged at the top of the column 300 and a rocker arm 220 connected to the main beam 400, the rocker arm 220 is connected to the side plate, the main beam 400 is hinged in the support 210, the outer end of the inner tube 8 is connected to the column 300 through the fisheye connecting seat 85, the photovoltaic push rod, the rocker arm 220 and the column 300 form a triangular structure, the rotating tube 500 is rotatably connected to the main beam 400 and is connected to the telescopic connecting tube 44, the rotating tube 500 is arranged parallel to the main beam 400, and the connecting frame 700 of the photovoltaic assembly 600 is connected to the main beam 400. When working, the driving motor 91 is started, thereby driving the screw rod 7 to rotate, driving the screw nut 81 to move along the screw rod 7, so that the inner tube 8 is extended and retracted along the outer tube 6; when the outer tube 6 moves relative to the inner tube 8, the upper hinged ear seat 82 drives the rocker arm 220 to move. Since the photovoltaic push rod, the rocker arm 220 and the column 300 form a triangular structure, when the rocker arm 220 moves, it can drive the main beam 400 to rotate in the support 210, and then drive the deflection of the connecting frame 700 of the photovoltaic assembly 600, so as to adjust the angle of the photovoltaic assembly 600. By setting a plurality of connection structures on the integral connection shell 100, it is convenient to connect with various parts of the bracket. The structure is simple and has good adaptability, and the connection is convenient, which greatly reduces the assembly time of the on-site workers and saves costs; the photovoltaic push rod with the ear shaft structure makes the photovoltaic bracket stable, has a certain protective effect on the stability of the entire photovoltaic bracket, and prolongs the life of the photovoltaic bracket.

[0054] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to examples, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A photovoltaic push rod with a tail pull structure, characterized in that: include: A connecting shell (100), the connecting shell (100) comprising: a hollow cylindrical shell seat (1), and a first cylindrical connecting seat (2) and a second cylindrical connecting seat (3) respectively connected to two opposite side surfaces of the side wall of the hollow cylindrical shell seat (1); A transmission shaft (4) connected to the hollow cylindrical shell seat (1), wherein two ends of the transmission shaft (4) are rotatably connected to the first cylindrical connecting seat (2) and the second cylindrical connecting seat (3), respectively, and the transmission shaft (4) is connected to a first gear (41); A tail pull seat (5), the tail pull seat (5) being connected to one axial end of the hollow cylindrical shell seat (1); An outer tube (6), the outer tube (6) being connected to the other axial end of the hollow cylindrical housing seat (1); A screw rod (7), the screw rod (7) being sleeved in the outer tube (6), one end of the screw rod (7) being connected to a second gear (71) meshing with the first gear (41); An inner tube (8), the inner tube (8) being sleeved outside the screw rod (7), the inner tube (8) being connected to a screw rod nut (81) slidably connected to the screw rod (7); The tail pull seat (5) comprises a bottom cover (51) connected to one axial end of the hollow cylindrical shell seat (1) and a fisheye joint (52) connected to the bottom cover (51), wherein the fisheye joint (52) is connected to an upper hinged ear seat (82); A flange connection plate (13) extends axially toward the other end of the hollow cylindrical shell seat (1); the flange connection plate (13) is provided with a second main connection hole (12); the flange connection plate (13) is connected to an outer tube connection seat (61) via the second main connection hole (12); and the outer tube (6) is connected to the flange connection plate (13) via the outer tube connection seat (61); The second cylindrical connecting seat (3) is axially provided with a second side connecting hole (31); the second cylindrical connecting seat (3) is connected to a motor seat (9) via the second side connecting hole (31); a driving motor (91) is mounted on the motor seat (9); an output end of the driving motor (91) is connected to one end of a transmission shaft (4); Both ends of the transmission shaft (4) are also connected to half couplings (42), and the half couplings (42) are provided with connecting ear seats (43); Both ends of the transmission shaft (4) are also connected to telescopic connecting pipes (44) via connecting ear seats (43); A bearing mounting seat is provided between the interior of the outer tube connecting seat (61) and the interior of the hollow cylindrical shell seat (1), and the end of the screw rod (7) is connected to a thrust bearing (83) and a second deep groove ball bearing (84) mounted on the bearing mounting seat; The outer end of the inner tube (8) is connected to a fisheye connecting seat (85).

2. A photovoltaic push rod with a tail pull structure as claimed in claim 1, characterized in that: A first deep groove ball bearing (32) is provided in the first cylindrical connecting seat (2) and the second cylindrical connecting seat (3), respectively, and both ends of the transmission shaft (4) are rotatably connected to the first cylindrical connecting seat (2) and the second cylindrical connecting seat (3) respectively via the first deep groove ball bearing (32).

3. The photovoltaic push rod with a tail pull structure according to claim 1, characterized in that: The first cylindrical connection seat (2) is axially provided with a first side connection hole (21), and the first cylindrical connection seat (2) is connected to a side flange (22) via the first side connection hole (21).

Images