Photovoltaic slewing speed reduction device

Abstract

The invention discloses a photovoltaic rotary reduction device, comprising a shell, a first worm, a transmission rod, a second worm and a sleeve. The shell is provided with a first cavity, a second cavity and a mounting hole. The mounting hole is arranged at the bottom of the first cavity and is perpendicular to the first cavity. The second cavity is arranged above the first cavity and is parallel to the first cavity. A baffle is arranged between the first cavity and the second cavity. A cavity parallel to the mounting hole is opened on the top of the shell, and the cavity is connected with the second cavity. The first worm is rotatably installed in the mounting hole, the transmission rod is rotatably installed in the first cavity, the second worm is rotatably installed in the second cavity, and the sleeve is rotatably installed in the cavity. A first worm wheel is installed on the transmission rod, the first worm is meshed with the first worm wheel, a first gear and a second gear are fixed to one end of the transmission rod and the second worm respectively, the first gear and the second gear are meshed with each other, a second worm wheel is arranged on the surface of the sleeve along the four sides of the sleeve, and the second worm wheel is meshed with the second worm.

Description

Technical Field

[0001] The invention relates to the field of reducers, and in particular to a photovoltaic rotary reduction device. Background Art

[0002] When adjusting the angle of a photovoltaic module, a reducer is required as the core transmission component. In the prior art, the reducer, worm gear, worm shaft, transmission rod and other transmission components are all arranged in a closed chamber. When the reducer is running, all gears mesh with each other and friction occurs to generate heat. With long-term operation, the temperature in the closed chamber of the reducer gradually increases, while the volume of the chamber remains unchanged, and the pressure in the chamber increases accordingly. Lubricating oil is easy to seep out from the unsealed parts under pressure, and the volume of the lubricating oil decreases when it cools. Gaps will be generated on the friction surfaces between the transmission components that are not in contact with the lubricating oil, resulting in a decrease in the lubrication effect and affecting the life of the reducer. Summary of the invention

[0003] The technical problems to be solved by the present invention are:

[0004] In the prior art reducer, lubricating oil easily seeps out from the parts with poor sealing, and gaps are generated between the friction surfaces of the transmission parts that are not in contact with the lubricating oil, resulting in reduced lubrication effect and shortening the life of the reducer.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A photovoltaic rotary reduction device comprises a shell, a first worm, a transmission rod, a second worm and a sleeve, wherein a first cavity, a second cavity and a mounting hole are provided inside the shell, wherein the mounting hole is arranged at the bottom of the first cavity and is perpendicular to the first cavity, and the second cavity is arranged directly above the first cavity and is parallel to the first cavity, a baffle is arranged between the first cavity and the second cavity, a cavity parallel to the mounting hole is provided on the top of the shell, and the cavity is communicated with the second cavity, the first worm is rotatably installed in the mounting hole, the transmission rod is rotatably installed in the first cavity, the second worm is rotatably installed in the second cavity, and the sleeve is rotatably installed in the cavity, a first worm wheel is installed on the transmission rod, the first worm is meshed with the first worm wheel, a first gear and a second gear are fixed to one end of the transmission rod and the second worm respectively, the first gear and the second gear are meshed, a second worm wheel is arranged on the surface of the sleeve along the periphery of the sleeve, and the second worm wheel is meshed with the second worm.

[0007] Furthermore, the photovoltaic slewing reduction device also includes a motor, a first end cover, a second end cover and a limit ring. The motor is installed on one side of the bottom of the shell, the first end cover and the second end cover are arranged at both ends of the shell, and the limit ring is detachably installed on the shell and sleeved around the sleeve.

[0008] Further, the first cavity is a cylindrical barrel-shaped structure with one end open, the mounting hole is arranged at the bottom of the first cavity and communicated with the first cavity, and the second cavity is a cylindrical structure with two ends open.

[0009] Furthermore, a gear mounting groove and a clearance groove are respectively formed at both ends of the shell, the first end cover and the second end cover are respectively covered on the clearance groove and the gear mounting groove, the gear mounting groove is connected to both the first cavity and the second cavity, the clearance groove is connected to the second cavity, and the first gear and the second gear are arranged in the gear mounting groove.

[0010] Furthermore, the cavity is in a circular ring structure, and a hole is formed on the side wall of the second cavity, and the hole is connected to both the second cavity and the cavity.

[0011] Furthermore, bearings are installed at both ends of the first worm, the transmission rod and the second worm.

[0012] Furthermore, the output shaft of the motor passes through the housing and extends to the interior of the housing and is fixedly connected to the first worm. An output flange is installed on the first worm, and the output flange is fixed on the side of the housing opposite to the motor. A sealing ring is arranged between the output flange and the housing, and one end of the first worm passes through the output flange and extends to the outside of the housing.

[0013] Furthermore, one end of the transmission rod passes through the first cavity and extends into the gear mounting groove. A first oil seal is installed on the transmission rod, and the first oil seal is arranged on an opening at one end of the first cavity.

[0014] Furthermore, one end of the second worm extends through the second cavity into the gear mounting groove, and two second oil seals are installed on the second worm, and the two second oil seals are respectively blocked on the openings at both ends of the second cavity.

[0015] Furthermore, a cylindrical inner cavity is provided inside the sleeve.

[0016] The beneficial effects of the present invention are:

[0017] The photovoltaic rotary reduction gear device provided by the present invention has a baffle plate arranged between the first cavity and the second cavity where a transmission rod and a second worm are installed in a casing, and the transmission rod and the second worm are respectively sleeved with a first oil seal and a second oil seal for blocking the openings of the first cavity and the second cavity, and the first cavity and the second cavity are separated from each other by the cooperation of the baffle plate, the first oil seal and the second oil seal, thereby avoiding heat exchange between the lubricants in the first cavity and the second cavity during the operation of the photovoltaic rotary reduction gear device, preventing the lubricant from overflowing from the first cavity and the second cavity due to thermal expansion, and also preventing the lubricant from shrinking in volume after cooling, resulting in the inability of the transmission components to fully contact the lubricant, thereby improving the utilization rate of the lubricant and the sealing performance of the photovoltaic rotary reduction gear device, and extending the service life of the photovoltaic rotary reduction gear device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the photovoltaic rotary deceleration device of the present invention;

[0020] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the photovoltaic rotary speed reduction device from another perspective is shown;

[0021] Figure 3 for Figure 1 The three-dimensional structure diagram of the photovoltaic rotary speed reduction device shown in the figure omits the shell;

[0022] Figure 4 for Figure 2 A schematic diagram of the three-dimensional structure of the shell in the photovoltaic rotary reduction device shown;

[0023] Figure 5 for Figure 4 A cross-sectional view of the housing is shown.

[0024] In the figure: 100, photovoltaic rotary reduction device, 1, housing, 2, motor, 3, first worm, 4, transmission rod, 5, second worm, 6, sleeve, 7, first end cover, 8, second end cover, 9, limit ring, 10, bearing, 11, first cavity, 12, second cavity, 13, mounting hole, 14, gear mounting groove, 15, opening, 16, cavity, 17, clearance groove, 31, output flange, 41, first worm wheel, 42, first oil seal, 43, first gear, 51, second oil seal, 52, second gear, 61, inner cavity, 62, second worm wheel, 111, baffle. DETAILED DESCRIPTION

[0025] The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, and therefore only shows the components related to the present invention.

[0026] like Figures 1 to 5 As shown, a photovoltaic rotary reduction device 100 is used to adjust the angle of the photovoltaic panel so that the photovoltaic panel faces the sun. The photovoltaic rotary reduction device 100 includes a housing 1, a motor 2, a first worm 3, a transmission rod 4, a second worm 5, a sleeve 6, a first end cover 7, a second end cover 8 and a limit ring 9. The motor 2 is mounted on one side of the bottom of the housing 1, the first worm 3, the transmission rod 4 and the second worm 5 are rotatably mounted inside the housing 1, the sleeve 6 is rotatably mounted on the top of the housing 1, the first end cover 7 and the second end cover 8 are covered at both ends of the housing 1, and the limit ring 9 is detachably mounted on the housing 1 and sleeved around the sleeve 6.

[0027] The shell 1 is provided with a first cavity 11, a second cavity 12 and a mounting hole 13. The first cavity 11 is a cylindrical barrel structure with one end open. The mounting hole 13 is arranged at the bottom of the first cavity 11 and communicates with the first cavity 11. The central axis of the mounting hole 13 is perpendicular to the central axis of the first cavity 11. The second cavity 12 is a cylindrical structure with both ends open. The second cavity 12 is arranged directly above the first cavity 11. A baffle 111 is arranged between the first cavity 11 and the second cavity 12. The central axis of the second cavity 12 is parallel to the central axis of the first cavity 11. A gear mounting groove 14 and a clearance groove 17 are respectively provided at both ends of the shell 1, and the first end cover 7 and the second end cover 8 are respectively covered on the clearance groove 17 and the gear mounting groove 14, wherein the gear mounting groove 14 is connected with both the first cavity 11 and the second cavity 12, and the clearance groove 17 is connected with the second cavity 12, and a cavity 16 is provided on the top of the shell 1, and the cavity 16 is in a circular ring structure, and the central axis of the cavity 16 is parallel to the central axis of the mounting hole 13, and an opening 15 is provided on the side wall of the second cavity 12, and the opening 15 is connected with both the second cavity 12 and the cavity 16.

[0028] Both ends of the first worm 3, the transmission rod 4 and the second worm 5 are installed with bearings 10. The first worm 3 is rotatably installed in the mounting hole 13 of the housing 1. The output shaft of the motor 2 penetrates the housing 1 and extends to the inside of the housing 1 and is fixedly connected to the first worm 3. An output flange 31 is installed on the first worm 3. The output flange 31 is fixed on the side of the housing 1 opposite to the motor 2. A sealing ring (not shown) is arranged between the output flange 31 and the housing 1. One end of the first worm 3 penetrates the output flange 31 and extends to the outside of the housing 1; the transmission rod 4 is rotatably installed in the first cavity 11. The transmission rod 4 and the first worm 3 are arranged perpendicular to each other. One end of the transmission rod 4 penetrates the first cavity 11 and extends to the gear mounting groove 14. The first worm wheel 41 and the first worm wheel 41 are installed on the transmission rod 4. An oil seal 42 and a first gear 43, a first worm wheel 41 are fixed on the transmission rod 4 and meshed with the first worm 3, a first gear 43 is fixed on one end of the transmission rod 4 and arranged in the gear mounting groove 14, and the first oil seal 42 is blocked on the opening at one end of the first cavity 11; the second worm 5 is rotatably mounted in the second cavity 12, the second worm 5 and the transmission rod 4 are arranged parallel to each other, one end of the second worm 5 passes through the second cavity 12 and extends into the gear mounting groove 14, two second oil seals 51 and a second gear 52 are installed on the second worm 5, and the two second oil seals 51 are respectively blocked on the openings at both ends of the second cavity 12, a second gear 52 is fixedly mounted on one end of the second worm 5 and arranged in the gear mounting groove 14, and the first gear 43 and the second gear 52 are meshed.

[0029] The sleeve 6 is rotatably sleeved in the cavity 16 at the top of the shell 1. A cylindrical inner cavity 61 is opened inside the sleeve 6. A second worm gear 62 is arranged on the surface of the sleeve 6 along the four sides of the sleeve 6. The second worm gear 62 has a semicircular arc structure. The second worm gear 62 passes through the opening 15 on the side wall of the second cavity 12 and engages with the second worm 5.

[0030] When in use, start the motor 2, the output shaft of the motor 2 drives the first worm 3 to rotate, the first worm 3 drives the transmission rod 4 to rotate through the first worm wheel 41, the first gear 43 at one end of the transmission rod 4 rotates following the transmission rod 4, the first gear 43 drives the second worm 5 to rotate through the second gear 52, the sleeve 6 rotates following the second worm 5 through the second worm wheels 62 around it, thereby driving the photovoltaic panel fixed on the sleeve 6 to rotate.

[0031] The photovoltaic rotary reduction gear 100 provided by the present invention has a baffle 111 arranged between the first cavity 11 and the second cavity 12 in which the transmission rod 4 and the second worm 5 are installed in the casing 1, and the first oil seal 42 and the second oil seal 51 for blocking the openings of the first cavity 11 and the second cavity 12 are respectively sleeved on the transmission rod 4 and the second worm 5. The first cavity 11 and the second cavity 12 are separated from each other by the cooperation of the baffle 111, the first oil seal 42 and the second oil seal 51, thereby avoiding the lubricant in the first cavity 11 and the second cavity 12 from generating heat and heat exchange when the photovoltaic rotary reduction gear 100 is running, preventing the lubricant from overflowing from the first cavity 11 and the second cavity 12 after expansion due to heat, and also preventing the lubricant from shrinking in volume after cooling, resulting in the inability of the transmission components to fully contact the lubricant, thereby improving the utilization rate of the lubricant and the sealing of the photovoltaic rotary reduction gear 100, and extending the service life of the photovoltaic rotary reduction gear 100.

[0032] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the scope of the present invention through the above description. The technical scope of this invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A photovoltaic rotary speed reduction device, characterized in that: The invention comprises a shell, a first worm, a transmission rod, a second worm and a sleeve, wherein a first cavity, a second cavity and a mounting hole are provided inside the shell, wherein the mounting hole is provided at the bottom of the first cavity and is perpendicular to the first cavity, wherein the second cavity is provided directly above the first cavity and is parallel to the first cavity, wherein a baffle is provided between the first cavity and the second cavity, wherein a cavity parallel to the mounting hole is provided on the top of the shell, wherein the cavity is connected to the second cavity, wherein the first worm is rotatably installed through the mounting hole, wherein the transmission rod is rotatably installed in the first cavity, wherein the first cavity is provided with a plurality of rotatable holes, wherein the plurality of rotatable holes are provided in the ... The second worm is rotatably mounted in the second cavity, the sleeve is rotatably mounted in the cavity, a first worm wheel is mounted on the transmission rod, the first worm is meshed with the first worm wheel, a first gear and a second gear are fixed to one end of the transmission rod and the second worm respectively, the first gear is meshed with the second gear, a second worm wheel is arranged on the surface of the sleeve along the periphery of the sleeve, the second worm wheel is meshed with the second worm, the photovoltaic rotary reduction device also includes a motor, a first end cover, a second end cover and a limiting ring, the motor is mounted on one side of the bottom of the shell, the first end cover and the second end cover are respectively fixed to one end of the transmission rod and the second worm, the first gear is meshed with the second gear, the second worm wheel is meshed with the second worm, the photovoltaic rotary reduction device also includes a motor, a first end cover, a second end cover and a limiting ring, the motor is mounted on one side of the bottom of the shell, the first end cover and the second end cover are respectively fixed to one end of the transmission rod and the second worm The two end covers are arranged at both ends of the shell, the limiting ring is detachably mounted on the shell and sleeved around the sleeve, the two ends of the shell are respectively provided with a gear mounting groove and a clearance groove, the first end cover and the second end cover are respectively covered on the clearance groove and the gear mounting groove, the gear mounting groove is communicated with both the first cavity and the second cavity, the clearance groove is communicated with the second cavity, the first gear and the second gear are arranged in the gear mounting groove, the output shaft of the motor passes through the shell and extends to the interior of the shell and is fixedly connected to the first worm, and the first worm is equipped with an output Output flange, the output flange is fixed on the side of the housing opposite to the motor, a sealing ring is arranged between the output flange and the housing, one end of the first worm passes through the output flange and extends to the outside of the housing, one end of the transmission rod passes through the first cavity and extends into the gear mounting groove, a first oil seal is installed on the transmission rod, the first oil seal is blocked on the opening at one end of the first cavity, one end of the second worm passes through the second cavity and extends into the gear mounting groove, two second oil seals are installed on the second worm, and the two second oil seals are respectively blocked on the openings at both ends of the second cavity.

2. A photovoltaic rotary deceleration device according to claim 1, characterized in that: The first cavity is a cylindrical barrel-shaped structure with one end open, the mounting hole is arranged at the bottom of the first cavity and communicates with the first cavity, and the second cavity is a cylindrical structure with two ends open.

3. A photovoltaic rotary deceleration device according to claim 1, characterized in that: The cavity is in a circular ring structure, and an opening is formed on the side wall of the second cavity, and the opening is connected to both the second cavity and the cavity.

4. A photovoltaic rotary deceleration device according to claim 1, characterized in that: Bearings are installed at both ends of the first worm, the transmission rod and the second worm.

5. A photovoltaic rotary deceleration device according to claim 1, characterized in that: A cylindrical inner cavity is provided inside the sleeve.

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