Energy-saving cycloidal pin gear planetary reducer
By designing a lubrication and recovery mechanism, the problem of unstable lubricating oil supply was solved, achieving stable supply and circulation of lubricating oil, improving lubrication effect, reducing energy loss, and extending the service life of the reducer.
Patent Information
- Application Number
- CN202520779346.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-23
AI Technical Summary
The existing cycloidal pin gear planetary reducer cannot maintain a stable lubrication supply, resulting in poor lubrication and energy loss.
A lubrication and recovery mechanism was designed. The lubricating oil is intermittently supplied through the cooperation of a turntable and a steel ball. The lubricating oil is stably supplied and recovered through the circulation of the oil pump and filter cartridge, avoiding excessive oil pressure and realizing the circulation of the lubricating oil.
This ensures a stable supply of lubricating oil, avoids excessive oil pressure, improves lubrication, reduces energy loss, and extends the service life of the reducer.
Smart Images

Figure CN223806606U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of speed reducer equipment, specifically to energy -conserving cycloid pin gear planetary reducer. BACKGROUND
[0002] Cycloid pin gear planetary reducer is a kind of planetary reducer using cycloid pin gear structure, is widely used in the occasion needing high reduction ratio and high load, this kind of reducer is favored by many machinery and automation industry with its high efficiency, stability and impact resistance, and cycloid pin gear is the structure of combination of cycloid gear and pin gear, its tooth profile design is different from traditional straight tooth or helical tooth structure, has higher contact strength, and can effectively reduce friction, improve carrying capacity and service life when running, to ensure the normal operation of speed reducer, improve work efficiency and prolong service life, must add lubricating oil, ensure the lubrication and cooling of each gear component, reduce the wear between gears, the inventor finds that the prior art has the following problems in the process of realizing the utility model:
[0003] 1, the existing speed reducer lubricating oil cannot be quantitatively and continuously supplied in the process of adding, in order to ensure the lubricating effect, enough lubricating oil is added at one time when the equipment just starts to work, the total amount of lubricating oil of the equipment running at the beginning is excessive, the pressure of oil liquid can be increased, which can cause the temperature of speed reducer to be too high.
[0004] 2, with the work of speed reducer, lubricating oil gradually sinks to the bottom of equipment, when lubricating oil is deposited at the bottom of speed reducer, it cannot fully cover gears and other important parts, resulting in poor lubricating effect, gear meshing transmission efficiency is reduced, energy loss is caused. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing energy -conserving cycloid pin gear planetary reducer to solve the problem of the lubricating oil that cannot be continuously and stably supplied and the energy loss caused by poor lubricating effect in the above background art, in order to achieve the above object, the utility model provides the following technical scheme: energy -conserving cycloid pin gear planetary reducer, including shell body, the inside installation of shell body has the speed reducer body, the top of speed reducer body is installed with lubricating mechanism, the outside installation of shell body has recovery mechanism.
[0006] The oil tank of lubricating mechanism, the bottom of oil tank is equipped with oil seepage mouth, the inner wall of oil seepage mouth is attached with steel ball, the outside of steel ball is sleeved with protective frame, the lower surface of oil tank outer wall is installed in parallel with rotating disc.
[0007] The recovery mechanism comprises a hose inserted with the bottom of the outer shell body, a sealing cover is attached to the top of the hose, a sleeve is threadedly connected to the inner wall of the sealing cover, a filter cartridge is sleeved on the inner wall of the sleeve, a connecting pipe is penetrated through one end of the sleeve, an oil pump is mounted on one end of the connecting pipe, and an oil return pipe is mounted on the other side of the oil pump.
[0008] Further preferably, a bearing is mounted in the middle of the oil tank, and the oil tank is rotationally connected to the input shaft of the reducer body through the bearing.
[0009] Further preferably, the oil infiltration ports, the steel balls and the protective frames are arranged in groups.
[0010] Further preferably, the protective frames are welded to the inner wall bottom of the oil tank, and the surface of the protective frames is in a hollow structure.
[0011] Further preferably, the rotating disc is welded to the input shaft of the reducer body, and the upper surface of the rotating disc is in a curved surface structure.
[0012] Further preferably, one end of the oil return pipe is inserted into the top of the oil tank.
[0013] Further preferably, the surface of the filter cartridge is in a filter screen structure, and the inner wall of the filter cartridge is threadedly connected to the end of the connecting pipe.
[0014] Compared with the prior art, the oil tank has the advantages that:
[0015] In the utility model, the surface of the rotating disc is in a curved surface structure, the rotating disc rotates synchronously with the input shaft, the curved surface of the rotating disc pushes the steel balls to move up intermittently, the oil tank is supplied with oil stably, the excessive lubricating oil is prevented from being supplied at one time, the internal oil pressure is prevented from being too large, the oil infiltration ports are distributed around the inner wall bottom of the oil tank, the steel balls are arranged in the oil infiltration ports, the oil leakage of the oil tank is prevented when the equipment is not working.
[0016] In the utility model, the lubricating oil sunk to the bottom is pumped into the hose through the recovery mechanism, is transmitted to the connecting pipe, is filtered through the filter screen on the surface of the filter cartridge, is output to the oil tank through the reflux pipe, is subjected to a new round of lubrication of the reducer body through the lubricating mechanism, circulates, and has stable lubrication effect and energy saving. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view of the sectional structure of the utility model;
[0018] Figure 2 It is a top view of the sectional structure of the utility model;
[0019] Figure 3 It is the section view structure schematic diagram of the lubricating mechanism of the utility model;
[0020] Figure 4 It is the development structure schematic diagram of the lubricating mechanism of the utility model;
[0021] Figure 5 It is the sleeve section view structure schematic diagram of the utility model.
[0022] In the drawing: 1, outer shell; 2, speed reducer body; 3, lubricating mechanism; 301, oil tank; 302, oil seepage port; 303, steel ball; 304, protective frame; 305, rotating disc; 4, recovery mechanism; 401, hose; 402, sealing cover; 403, sleeve; 404, filter cartridge; 405, connecting pipe; 406, oil pump; 407, oil return pipe. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.
[0024] Please refer to Figures 1 to 5 The utility model provides a technical scheme: energy -conserving type cycloid pin gear planetary reducer, including outer shell 1, the inside installation of outer shell 1 has speed reducer body 2, the top of speed reducer body 2 is installed lubricating mechanism 3, the outside installation of outer shell 1 has recovery mechanism 4.
[0025] The oil tank 301 of lubricating mechanism 3, the bottom of oil tank 301 is equipped with oil seepage port 302, the inner wall of oil seepage port 302 is attached with steel ball 303, the outside of steel ball 303 is sleeved with protective frame 304, the lower surface of the outer wall of oil tank 301 is parallelly installed with rotating disc 305.
[0026] Recovery mechanism 4 includes the hose 401 of the bottom of outer shell 1 is inserted, the top of hose 401 is bonded with sealing cover 402, the inner wall of sealing cover 402 is threadedly connected with sleeve 403, the inner wall of sleeve 403 is sleeved with filter cartridge 404, one end of sleeve 403 penetrates connecting pipe 405, one end of connecting pipe 405 is installed with oil pump 406, the other side of oil pump 406 is installed with oil return pipe 407.
[0027] In the embodiment, as Figure 1 And Figure 3As shown, the middle part of the oil tank 301 is provided with a bearing, and the oil tank 301 is rotatably connected to the input shaft of the reducer body 2 through the bearing; it should be noted that the outer wall of the bearing is welded to the oil tank 301, and the input shaft of the reducer body 2 penetrates the bearing, and when the input shaft rotates, the oil tank 301 is kept in a stationary state.
[0028] In this embodiment, as shown in Figure 2 and Figure 4 As shown, the oil infiltration port 302, the steel ball 303 and the protective frame 304 are arranged as a group, and there are several groups; it should be noted that the several oil infiltration ports 302 are distributed around the bottom of the inner wall of the oil tank 301, and each oil infiltration port 302 is provided with a steel ball 303 inside, and the steel ball 303 sinks to block the oil infiltration port 302, and when the equipment is not working, the oil amount in the oil tank 301 is ensured not to leak too fast.
[0029] In this embodiment, as shown in Figure 4 The protective frame 304 is welded to the bottom of the inner wall of the oil tank 301, and the surface of the protective frame 304 is provided with a hollow structure; it should be noted that the position of the protective frame 304 is fixed, and the path of the up-and-down floating of the steel ball 303 is limited, so that the steel ball 303 is prevented from separating from the oil infiltration port 302, and the surface is provided with a hollow structure, so that the lubricating oil can pass through the protective frame 304.
[0030] In this embodiment, as shown in Figure 4 The input shaft of the reducer body 2 is welded to the upper surface of the rotating disc 305, and the upper surface of the rotating disc 305 is provided with a curved surface structure; it should be noted that the surface of the rotating disc 305 is provided with a curved surface structure, the inner wall of the rotating disc 305 is welded to the input shaft of the reducer body 2, and rotates synchronously with the input shaft, and the curved surface of the surface of the rotating disc 305 pushes the steel ball 303 to move up intermittently, so that the oil supply to the reducer body 2 is stable, and the lubricating oil is prevented from being supplied too much at one time, and the internal oil pressure is prevented from being too large.
[0031] In this embodiment, as shown in Figure 1 One end of the oil return pipe 407 is inserted into the top of the oil tank 301; it should be noted that when the lubricating oil sinks to the bottom of the reducer body 2, the oil pump 406 pumps the deposited lubricating oil into the hose 401, and then to the connecting pipe 405, and then to the oil tank 301 through the return pipe, and then to the oil tank 301 through the lubricating mechanism 3 for a new round of lubrication of the reducer body 2, so that the lubricating oil circulates, and the stable lubrication effect is maintained, and the energy consumption is reduced.
[0032] In this embodiment, as shown in Figure 3As shown, the surface of the filter cartridge 404 is provided with a filter screen structure, and the inner wall of the filter cartridge 404 is threadedly connected with the end of the connecting pipe 405; it should be noted that the inner wall of the filter cartridge 404 is threadedly connected with the connecting pipe 405, after the sealing cover 402 is rotated to be opened, the filter cartridge 404 can be replaced at any time, the filter screen on the surface of the filter cartridge 404 filters the lubricating oil recovered each time, impurities are filtered, and the lubricating effect is better.
[0033] The use method and advantages of the utility model are as follows:
[0034] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , first, the reducer body 2 is started, the reducer body 2 belongs to the prior art BWD0 vertical cycloid pin gear planetary reducer, the input shaft of the reducer body 2 drives the rotating disc 305 to rotate, when the rotating disc 305 rotates, the lower surface is in contact with the steel ball 303 at the bottom of the oil tank 301, when the convex part and the steel ball 303 are in contact, the steel ball 303 is pushed up, the gap between the steel ball 303 and the oil seepage hole 302 is increased, the lubricating oil flows downward, when the concave part is in contact with the steel ball 303, the steel ball 303 sinks under the action of gravity and blocks the oil seepage hole 302, at the same time, the oil pump 406 is started, the lubricating oil deposited at the bottom is pumped into the hose 401, is transported into the sleeve 403 through the hose 401, penetrates into the connecting pipe 405 through the filter cartridge 404, and is transported into the oil tank 301 through the return pipe, and a new round of lubrication is carried out.
[0035] The basic principle, main features and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. Energy-saving cycloid pin gear planetary reducer, comprising an outer shell (1), characterized in that: The inside of the shell body (1) is provided with a reducer body (2), the top of the reducer body (2) is provided with a lubricating mechanism (3), the outside of the shell body (1) is provided with a recycling mechanism (4); The oil tank (301) of the lubricating mechanism (3) is provided with an oil seepage port (302) at the bottom, the inner wall of the oil seepage port (302) is attached with a steel ball (303), the outer part of the steel ball (303) is sleeved with a protective frame (304), and the lower surface of the outer wall of the oil tank (301) is parallelly provided with a rotating disc (305); The recycling mechanism (4) comprises a hose (401) inserted into the bottom of the shell body (1), a sealing cover (402) attached to the top of the hose (401), a sleeve (403) threadedly connected to the inner wall of the sealing cover (402), a filter cartridge (404) sleeved with the inner wall of the sleeve (403), a connecting pipe (405) penetrating one end of the sleeve (403), an oil pump (406) mounted at one end of the connecting pipe (405), and an oil return pipe (407) mounted at the other side of the oil pump (406).
2. The energy-saving cycloid needle tooth planetary reducer according to claim 1, characterized in that: The middle part of the oil tank (301) is provided with a bearing, and the oil tank (301) is rotationally connected with the input shaft of the reducer body (2) through the bearing.
3. The energy-saving cycloid needle tooth planetary reducer according to claim 1, characterized in that: The oil seepage port (302), the steel ball (303) and the protective frame (304) are arranged as a group, and a plurality of groups are arranged.
4. The energy-saving cycloid needle tooth planetary reducer according to claim 1, characterized in that: The inner wall bottom of the protective frame (304) and the oil tank (301) are welded, and the surface of the protective frame (304) is provided with a hollow structure.
5. The energy-saving cycloid needle tooth planetary reducer according to claim 1, characterized in that: The rotating disc (305) and the input shaft of the reducer body (2) are welded, and the upper surface of the rotating disc (305) is provided with a curved surface structure.
6. The energy-saving cycloid needle tooth planetary reducer according to claim 1, characterized in that: One end of the oil return pipe (407) is inserted into the top of the oil tank (301).
7. The energy-saving cycloid needle tooth planetary reducer according to claim 1, characterized in that: The surface of the filter cartridge (404) is provided with a filter screen structure, and the inner wall of the filter cartridge (404) and the end of the connecting pipe (405) are threadedly connected.