Lightweight self-lubricating rotary speed reducer for photovoltaic tracking
By adopting a worm gear structure and self-lubricating design, the problems of insufficient lubrication, heavy weight, and poor heat dissipation of photovoltaic rotary reducers have been solved, achieving lightweight design and efficient heat dissipation, and extending the equipment's lifespan.
Patent Information
- Application Number
- CN202520803067.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-25
AI Technical Summary
Traditional photovoltaic rotary gear reducers suffer from problems such as insufficient lubrication, heavy weight, high maintenance costs, and poor heat dissipation when used outdoors.
It adopts a worm gear structure, using a high-strength aluminum alloy worm gear, a ceramic-coated worm, ball bearings, and a polymer self-lubricating bushing. Combined with the design of a fan cover, heat dissipation blades, and cooling holes, it achieves self-lubrication and good heat dissipation.
The lightweight design reduces the load on the photovoltaic support structure, extends equipment life, reduces maintenance frequency, adapts to harsh environments, and improves heat dissipation.
Smart Images
Figure CN223923751U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a photovoltaic rotary speed reducer belongs to rotary speed reducer technical field, concretely relates to a kind of lightweight self-lubricating rotary speed reducer for photovoltaic tracking. BACKGROUND
[0002] Photovoltaic power generation is an important application field of rotary speed reducer. Rotary speed reducer is the core component of tracking system for photovoltaic power generation, driven by motor, to drive driven photovoltaic module to rotate in horizontal direction or elevation direction at certain speed, to accurately adjust the rotation angle and elevation angle of photovoltaic module according to different position of sun in a day, to keep solar panel at optimal receiving angle, to significantly improve solar power generation efficiency. In addition, under extreme weather conditions such as strong wind, rotary speed reducer can keep photovoltaic module stable at wind-avoiding angle by using its unique self-locking characteristic, to ensure safe and stable operation of photovoltaic power station.
[0003] Traditional photovoltaic rotary speed reducer has problems of insufficient lubrication, large weight, high maintenance cost and poor heat dissipation effect due to long-term outdoor work. UTILITY MODEL CONTENTS
[0004] UTILITY MODEL OBJECTIVE: to provide a lightweight self-lubricating rotary speed reducer for photovoltaic tracking, to solve the above-mentioned problems.
[0005] TECHNICAL SCHEME: a lightweight self-lubricating rotary speed reducer for photovoltaic tracking, the rotary speed reducer comprises: a casing, a speed reduction assembly, a wind shield and a top plate.
[0006] In further embodiments, the speed reduction assembly is composed of a worm gear and a worm, the worm gear and the worm are engaged and installed in the casing, and both ends of the worm extend to the outside;
[0007] The wind shield is installed on one side of the casing, and the top plate is fixedly installed on the top of the casing.
[0008] The top plate and the top of the casing are provided with a plurality of cooling holes corresponding in position.
[0009] In further embodiments, the top plate is fixedly installed on the top of the casing by a lifting ring.
[0010] In further embodiments, both sides of the casing are provided with first end covers, and both ends of the worm are rotatably connected to the end covers by first ball bearings.
[0011] Both ends of the worm gear are provided with high-molecular polymer self-lubricating shaft liners, one end of the casing is provided with a fixed end cover, and the other end is provided with an output end cover, and the fixed end cover and the output end cover are provided with second ball bearings inside.
[0012] In further embodiments, the worm gear is internally provided with an output shaft, which is simultaneously connected with the high polymer self-lubricating bushing, the worm gear and the ball bearing.
[0013] In further embodiments, the high polymer self-lubricating bushing is arranged between the end cover and the ball bearing.
[0014] In further embodiments, the worm gear is internally provided with an output shaft, which is simultaneously connected with the high polymer self-lubricating bushing, the worm gear and the ball bearing.
[0015] In further embodiments, the worm gear is internally provided with an output shaft, which is simultaneously connected with the high polymer self-lubricating bushing, the worm gear and the ball bearing.
[0016] In further embodiments, the top of the top plate and the top of the machine shell are provided with an oil hole in position correspondence, and the oil hole is internally provided with an oil plug.
[0017] Beneficial effects: the speed reduction structure of the worm gear is adopted, the worm gear is made of high-strength aluminum alloy (lightweight), the worm gear surface is plated with ceramic coating (wear-resistant), the machine shell is externally provided with a wind cover with a filter screen, sand and dust can be prevented from entering, the cooling fins and cooling holes are arranged, the internal and external air pressures are balanced, the heat dissipation effect is good, the high polymer self-lubricating bushing is internally arranged, the direct friction between metals is reduced, the photovoltaic support load is reduced, the service life is prolonged, the self-lubricating design reduces the frequency of manual maintenance, and the device is suitable for harsh environments such as deserts and plateaus. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the axonometric view of the utility model.
[0019] Figure 2 is the front view of the utility model.
[0020] Figure 3 is the cross-sectional view of the utility model. Figure 1
[0021] Figure 4 is the cross-sectional view of the utility model. Figure 2
[0022] MARK: machine shell 1, speed reduction assembly 2, wind cover 3, top plate 4, worm gear 5, worm gear 6, cooling hole 7, lifting ring 8, first end cover 9, first ball bearing 10, bushing 11, fixed end cover 12, output end cover 13, second ball bearing 14, limiting sleeve 15, filter screen 16, fin 17, oil plug 19. DETAILED DESCRIPTION
[0023] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship described based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
[0026] A light-weight self-lubricating rotary speed reducer for photovoltaic tracking, comprising: a casing 1, a speed reduction assembly 2, a wind shield 3, a top plate 4.
[0027] In one embodiment, as shown in Figures 1 to 4 The speed reduction assembly 2 is composed of a worm gear 5 and a worm 6, the worm gear 5 and the worm 6 are engaged and installed in the casing 1, and the two ends of the worm 6 extend to the outside;
[0028] The wind shield 3 is installed on one side of the casing 1, and the top plate 4 is fixedly installed on the top of the casing 1;
[0029] The top plate 4 and the top of the casing 1 are provided with a plurality of cooling holes 7 corresponding in position.
[0030] In one embodiment, as shown in Figures 1 to 4 The top plate 4 is fixedly installed on the top of the casing 1 through a lifting ring 8.
[0031] In one embodiment, asFigures 1 to 4 As shown, the two sides of the casing 1 are provided with first end covers 9, and the two ends of the worm 6 are rotatably connected with the end covers through first ball bearings 10.
[0032] The two ends of the worm gear 5 are provided with high polymer self-lubricating shaft liners 11, one end of the casing 1 is provided with a fixed end cover 12, and the other end is provided with an output end cover 13, and the fixed end cover 12 and the output end cover 13 are internally provided with second ball bearings 14.
[0033] In one embodiment, as shown in the drawings, Figures 1 to 4 As shown, the worm gear 5 is internally provided with an output shaft, which is simultaneously sleeved with the high polymer self-lubricating shaft liner 11, the worm gear 5 and the ball bearing.
[0034] In one embodiment, as shown in the drawings, Figures 1 to 4 As shown, the high polymer self-lubricating shaft liner 11 is arranged between the end cover and the ball bearing.
[0035] In one embodiment, as shown in the drawings, Figures 1 to 4 As shown, the worm 6 is provided with limiting sleeves 15 on both sides of the screw thread.
[0036] In one embodiment, as shown in the drawings, Figures 1 to 4 As shown, one side of the fan cover 3 is provided with a filter screen 16, one end of the worm 6 is sleeved with a blade 17, and the blade 17 is located in the fan cover 3.
[0037] In one embodiment, as shown in the drawings, Figures 1 to 4 As shown, the top of the top plate 4 and the top of the casing 1 are provided with oil holes corresponding in position, and the oil holes are internally provided with oil plugs 19.
[0038] Working principle: when the utility model works, first, the worm 6 in the speed reducer assembly 2 is connected with an external motor, which is driven to rotate by the motor, and the worm 6 is rotated through the first ball bearing 10, and with the rotation of the worm 6, it is engaged with the worm gear 5, thereby driving the worm gear 5 to rotate, in addition, when the worm 6 rotates, the external blade 17 rotates, cooling the temperature inside the speed reducer, at the same time, the cooling hole 7 can balance the internal and external air pressure and has good heat dissipation effect, thereby with the rotation of the worm gear 5, the internal output shaft is rotated through the second ball bearing 14, thereby driving the external equipment to rotate.
[0039] Obviously, the above embodiments are only examples for clearly illustrating, and not limiting the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. A light-weight self-lubricating slewing reducer for photovoltaic tracking, characterized by, The rotary speed reducer comprises a casing, a speed reduction assembly, a fan cover and a top plate; The speed reduction assembly is composed of a worm wheel and a worm, the worm wheel and the worm are engaged and installed in the casing, and two ends of the worm extend to the outside; The fan cover is installed on one side of the casing, and the top plate is fixedly installed on the top of the casing; The top plate and the top of the casing are provided with cooling holes corresponding in position.
2. The light-weight self-lubricating rotary reducer for photovoltaic tracking according to claim 1, characterized in that, The top plate is fixedly installed on the top of the casing through a lifting ring.
3. The light-weight self-lubricating cyclo-reducer for photovoltaic tracking according to claim 1, characterized in that, First end covers are arranged on two sides of the casing, and two ends of the worm are rotatably connected with the end covers through first ball bearings; High polymer self-lubricating bushings are arranged at two ends of the worm wheel, one end of the casing is provided with a fixed end cover, and the other end is provided with an output end cover, and second ball bearings are arranged in the fixed end cover and the output end cover.
4. The light-weight self-lubricating cyclo-reducer for photovoltaic tracking according to claim 3, characterized in that, An output shaft is arranged in the worm wheel, and the output shaft is sleeved with the high polymer self-lubricating bushing, the worm wheel and the ball bearing.
5. The light-weight self-lubricating cyclo-reducer for photovoltaic tracking according to claim 3, characterized in that, The high polymer self-lubricating bushing is arranged between the end cover and the ball bearing.
6. The light-weight self-lubricating cyclo-reducer for photovoltaic tracking according to claim 1, characterized in that, Limiting sleeves are arranged on both sides of the screw thread of the worm.
7. The light-weight self-lubricating cyclo-reducer for photovoltaic tracking according to claim 1, characterized in that, A filter screen is arranged on one side of the fan cover, a blade is sleeved with one end of the worm, and the blade is located in the fan cover.
8. The light-weight self-lubricating cyclo-reducer for photovoltaic tracking according to claim 1, characterized in that, An oil hole corresponding in position is arranged on the top of the top plate and the top of the casing, and an oil plug is arranged in the oil hole.