Low-noise rotary speed reducer for photovoltaic tracking
By adopting a worm gear meshing structure and multiple sealing components in the photovoltaic rotary reducer, the problems of high noise and severe wear in traditional photovoltaic rotary reducers have been solved, achieving low noise and high efficiency operation and extending the equipment life.
Patent Information
- Application Number
- CN202520485784.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Traditional photovoltaic rotary reducers generate significant noise due to ball bearing connections, leading to equipment vibration and wear, which affects equipment stability and lifespan.
It adopts a worm gear and worm meshing structure, and is installed in the housing through the first and second connecting structures. The connecting structure uses multiple seals to reduce noise and dust ingress, including ball bearings, sealing seats and rubber rings.
It effectively reduces the noise of the speed reducer during operation, improves the working efficiency and service life of the equipment, and is suitable for photovoltaic applications.
Smart Images
Figure CN223739982U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a rotary speed reducer structure belongs to rotary speed reducer technical field, specifically relates to a low noise rotary speed reducer for photovoltaic tracking. BACKGROUND
[0002] The photovoltaic rotary speed reducer is a device for rotating the photovoltaic tracker of the photovoltaic power station, which mainly comprises a motor, a speed reducer, a transmission shaft and sealing elements. Under the control of the photovoltaic tracker, the photovoltaic rotary speed reducer rotates to continuously adjust the angle of the solar panel to obtain more light energy.
[0003] The input power and output power of the photovoltaic power station are unstable, and the photovoltaic rotary speed reducer can adjust the output power through the rotation of the speed reducer to keep it balanced with the input power, thereby improving the stability of the photovoltaic power station.
[0004] When the conventional speed reducer operates, it will produce a lot of noise due to the connection only through the ball bearing, and the high noise of the speed reducer will produce vibration and impact, resulting in the aggravation of the wear of the internal parts of the equipment, such as gear wear and bearing damage. This not only reduces the transmission accuracy and stability of the equipment, but also may cause mechanical failure and shorten the service life of the equipment. UTILITY MODEL CONTENTS
[0005] The utility model discloses a low noise rotary speed reducer for photovoltaic tracking, which solves the above-mentioned problems.
[0006] Technical scheme: A low noise rotary speed reducer for photovoltaic tracking, the rotary speed reducer comprises a casing, a speed reduction assembly and a noise reduction connecting assembly.
[0007] In a further embodiment, the speed reduction assembly is located inside the casing, and the speed reduction assembly is rotatably installed in the casing through the noise reduction connecting assembly.
[0008] The speed reduction assembly comprises a worm wheel and a worm gear, and the worm wheel and the worm gear are installed in the casing and meshed.
[0009] The noise reduction connecting assembly comprises a first connecting structure and a second connecting structure, the first connecting structure is installed at both ends of the worm wheel and cooperates with the casing to install the worm wheel in the casing, and the second connecting structure is installed at both ends of the worm gear and cooperates with the casing to install the worm gear in the casing.
[0010] In a further embodiment, the bottom of the casing is provided with an air valve, and one side is provided with a temperature sensor.
[0011] In further embodiments, the worm gear in the speed reduction assembly is installed in the casing through a shaft sleeve and a rotating shaft; two ends of the rotating shaft are matched with the casing through the first connecting structure; the shaft sleeve is sleeved on the rotating shaft to rotate with the rotating shaft; and the worm gear is fixedly installed outside the shaft sleeve to rotate with the shaft sleeve.
[0012] In further embodiments, the first connecting structure comprises: a first ball bearing sleeved on one end of the rotating shaft and fixedly connected with the casing; a first retainer ring sleeved on one end of the rotating shaft; a first gasket sleeved on the rotating shaft and located between the first ball bearing and the first retainer ring; a second ball bearing sleeved on the other end of the rotating shaft; a gear shaft sleeved on the other end of the rotating shaft; a first sealing seat sleeved outside the gear shaft and fixedly connected with the casing; a first sealing cover fixedly installed on the first sealing seat; a first oil seal sleeved outside the gear shaft and located in a groove of the first sealing seat; a second retainer ring sleeved on the other end of the rotating shaft; and a second gasket sleeved on the rotating shaft and located between the gear shaft and the second retainer ring.
[0013] In further embodiments, the second connecting structure comprises: a third ball bearing sleeved in a groove at one end of the worm and fixedly connected with the casing; a first friction ring sleeved in the groove at one end of the worm and in contact with the third ball bearing; a second sealing seat fixedly installed on one end of the casing; a second sealing cover fixedly installed on the second sealing seat; a supporting ring sleeved on one end of the worm and in clearance fit with the second sealing seat and the second sealing cover; a second oil seal located in a groove of the second sealing seat and the second sealing cover; a first rubber ring sleeved in the casing; a third gasket sleeved in the casing and in fit with the first rubber ring; a connecting seat fixedly installed on the other end of the worm; a third ball bearing sleeved on the connecting seat and fixedly connected with the casing; a third retainer ring sleeved on the other end of the connecting seat; a second friction ring sleeved on the connecting seat; a fourth gasket sleeved on the rotating shaft and located between the second friction ring and the third retainer ring; and a connecting shaft sleeved in the connecting seat.
[0014] Beneficial effects: the worm gear and the worm are installed in the casing through the first connecting structure and the second connecting structure, the first connecting structure and the second connecting structure are composed of multiple sealing members, so that the noise generated during the operation of the speed reducer can be greatly reduced, and the first connecting structure and the second connecting structure can reduce the entry of dust, so that they are more suitable for photovoltaic occasions, so that the generation of noise can be greatly reduced, and the working efficiency and service life of the speed reducer are improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is the front view of the utility model.
[0016] Figure 2 is the front view of the utility model.
[0017] Figure 3 is the sectional view of the utility model Figure 1 .
[0018] Figure 4 is the sectional view of the utility model Figure 2 .
[0019] Fig. 1, housing 2, noise reduction connection assembly 3, worm gear 20, worm 21, first connecting structure 30, second connecting structure 31, air valve 4, temperature sensor 5, shaft sleeve 22, rotating shaft 23, first ball bearing 301, first check ring 302, first gasket 303, second ball bearing 304, gear shaft 305, first sealing seat 306, first sealing cover 307, first oil seal 308, second check ring 309, second gasket 310, third ball bearing 311, first friction ring 312, second sealing seat 313, second sealing cover 314, supporting ring 315, second oil seal 316, first rubber ring 317, third gasket 318, connecting seat 319, third ball bearing 320, third check ring 321, second friction ring 322, fourth gasket 323, connecting shaft 324. DETAILED DESCRIPTION
[0020] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.
[0021] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0023] A low noise rotary speed reducer for photovoltaic tracking, comprising: a casing 1, a speed reduction assembly 2, a noise reduction connecting assembly 3.
[0024] In one embodiment, as shown in Figures 1 to 4 The speed reduction assembly 2 is located in the casing 1, and the speed reduction assembly 2 is rotatably installed in the casing 1 through the noise reduction connecting assembly 3.
[0025] In one embodiment, as shown in Figures 1 to 4 The speed reduction assembly 2 comprises a worm wheel 20 and a worm 21, and the worm wheel 20 and the worm 21 are installed in the casing 1 and are in meshing engagement.
[0026] In one embodiment, as shown in Figures 1 to 4 The noise reduction connecting assembly 3 comprises a first connecting structure 30 and a second connecting structure 31, the first connecting structure 30 is installed at both ends of the worm wheel 20 and cooperates with the casing 1 to install the worm wheel 20 in the casing 1, and the second connecting structure 31 is installed at both ends of the worm 21 and cooperates with the casing 1 to install the worm 21 in the casing 1.
[0027] In one embodiment, as shown in Figures 1 to 4 The bottom of the casing 1 is provided with an air valve 4, and one side is provided with a temperature sensor 5.
[0028] In one embodiment, as shown in Figures 1 to 4 The worm wheel 20 in the speed reduction assembly 2 is installed in the casing 1 through a shaft sleeve 22 and a rotating shaft 23; the two ends of the rotating shaft 23 cooperate with the casing 1 through the first connecting structure 30, the shaft sleeve 22 is sleeved on the rotating shaft 23 to rotate with the rotating shaft 23, and the worm wheel 20 is fixedly installed on the outside of the shaft sleeve 22 to rotate with the shaft sleeve 22.
[0029] In one embodiment, as shown in Figures 1 to 4As shown, the first connecting structure 30 comprises: a first ball bearing 301 sleeved on one end of the rotating shaft 23 and fixedly connected with the casing 1; a first stop ring 302 sleeved on one end of the rotating shaft 23; a first washer 303 sleeved on the rotating shaft 23 and located between the first ball bearing 301 and the first stop ring 302; a second ball bearing 304 sleeved on the other end of the rotating shaft 23; a gear shaft 305 sleeved on the other end of the rotating shaft 23; a first sealing seat 306 sleeved on the outside of the gear shaft 305 and fixedly connected with the casing 1; a first sealing cover 307 fixedly installed on the first sealing seat 306; a first oil seal 308 sleeved on the outside of the gear shaft 305 and located in the groove of the first sealing seat 306; a second stop ring 309 sleeved on the other end of the rotating shaft 23; and a second washer 310 sleeved on the rotating shaft 23 and located between the gear shaft 305 and the second stop ring 309.
[0030] In one embodiment, as shown in Figures 1 to 4 As shown, the second connecting structure 31 comprises: a third ball bearing 311 sleeved on one end groove of the worm 21 and fixedly connected with the casing 1; a first friction ring 312 sleeved in the one end groove of the worm 21 and in contact with the third ball bearing 311; a second sealing seat 313 fixedly installed on one end of the casing 1; a second sealing cover 314 fixedly installed on the second sealing seat 313; a supporting ring 315 sleeved on one end of the worm 21 and in clearance fit with the second sealing seat 313 and the second sealing cover 314; a second oil seal 316 located in the groove of the second sealing seat 313 and the second sealing cover 314; a first rubber ring 317 sleeved in the casing 1; a third washer 318 sleeved in the casing 1 and in fit with the first rubber ring 317; a connecting seat 319 fixedly installed on the other end of the worm 21; a third ball bearing 320 sleeved on the connecting seat 319 and fixedly connected with the casing 1; a third stop ring 321 sleeved on the other end of the connecting seat 319; a second friction ring 322 sleeved on the connecting seat 319; a fourth washer 323 sleeved on the rotating shaft 23 and located between the second friction ring 322 and the third stop ring 321; and a connecting shaft 324 sleeved in the connecting seat 319.
[0031] Working principle: when the utility model carries out work, first worm 21 connects motor, motor rotation drives worm 21 rotation, worm 21 rotates through third ball bearing 320, simultaneously first friction ring 312, first rubber ring 317 and third washer 318 carry out damping work, simultaneously the other end of worm 21 drives connecting seat 319 to rotate through fourth ball bearing, simultaneously third check ring 321, second friction ring 322 and fourth washer 323 carry out damping work, simultaneously reduce friction, simultaneously with the rotation of worm 21, mesh with worm wheel 20, worm wheel 20 drives rotating shaft 23 to rotate through shaft sleeve 22, thereby rotating shaft 23 rotates through first ball bearing 301 and second bearing, simultaneously first check ring 302, first washer 303 and second check ring 309, second washer 310 carry out damping work, with the rotation of rotating shaft 23 drives gear shaft 305 to rotate, thereby drives external equipment to rotate, thereby the utility model through first connecting structure 30 and second connecting structure 31 installs worm wheel 20 and worm 21 in the casing 1, first connecting structure 30 and second connecting structure 31 adopt multiple sealing elements to form, thereby can greatly reduce the noise generated when speed reducer works, simultaneously first connecting structure 30 and second connecting structure 31 can reduce dust to enter, thereby more suitable for photovoltaic occasion, thereby the utility model can greatly reduce the generation of noise, thereby improve the working efficiency and service life of speed reducer.
[0032] Obviously, the above embodiments are only examples for clearly illustrating, 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 low noise rotary reducer for photovoltaic tracking, characterized by, The rotary speed reducer comprises a casing, a speed reduction assembly and a noise reduction connecting assembly; The speed reduction assembly is located in the casing and is rotatably installed in the casing through the noise reduction connecting assembly; The speed reduction assembly comprises a worm wheel and a worm gear, which are installed in the casing and are in meshing engagement; The noise reduction connecting assembly comprises a first connecting structure and a second connecting structure, the first connecting structure is installed at both ends of the worm wheel and cooperates with the casing to install the worm wheel in the casing, and the second connecting structure is installed at both ends of the worm gear and cooperates with the casing to install the worm gear in the casing.
2. The low noise rotary speed reducer for photovoltaic tracking according to claim 1, characterized in that, The bottom of the casing is provided with an air valve, and one side is provided with a temperature sensor.
3. The low noise rotary speed reducer for photovoltaic tracking according to claim 1, characterized in that, The worm wheel in the speed reduction assembly is installed in the casing through a shaft sleeve and a rotating shaft; the rotating shaft is cooperated with the casing through the first connecting structure, the shaft sleeve is sleeved on the rotating shaft to rotate with the rotating shaft, and the worm wheel is fixedly installed outside the shaft sleeve to rotate with the shaft sleeve.
4. The low noise rotary speed reducer for photovoltaic tracking according to claim 3, characterized in that, The first connecting structure comprises a first ball bearing, a first retainer ring, a first gasket, a second ball bearing, a gear shaft, a first sealing seat, a first sealing cover, a first oil seal, a second retainer ring and a second gasket.
5. The low noise rotary speed reducer for photovoltaic tracking according to claim 3, characterized in that, The second connecting structure comprises a third ball bearing, a first friction ring, a second sealing seat, a second sealing cover, a supporting ring, a second oil seal, a first rubber ring, a third gasket, a connecting seat, a third ball bearing, a third retainer ring, a second friction ring, a fourth gasket and a connecting shaft.