Modular integrated speed reducer
By installing an expansion chamber in the reducer shell to fill lubricant and forming a relatively closed internal space, the existing reducer has been solved, and the effect of reducing the number of maintenance and extending the equipment operation time is achieved.
Patent Information
- Application Number
- CN202422379817.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing planetary gear reducers have small internal space and limited grease storage, resulting in insufficient lubrication, increased equipment wear, high maintenance frequency and high cost.
A modular integrated reducer is designed, with an extended cavity filled with lubricant in the shell, forming a relatively closed internal space, reducing the natural volatility of the lubricant and the entry of external impurities, and extending the operating time of the equipment.
Reduces maintenance times, extends reliable operation time of the equipment, reduces maintenance costs, and improves the durability of the equipment, making the equipment free of maintenance within five years.
Smart Images
Figure CN222977388U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of speed reducers, and particularly relates to a modular integrated speed reducer. Background Art
[0002] A speed reducer is a device that obtains a larger output torque by reducing the output speed, and thus is widely used in industries such as lifting, excavation, transportation, and construction. A planetary gear speed reducer is a common type of speed reducer, which includes several gear structures combined therein. Grease needs to be injected into the planetary gear speed reducer to ensure the normal operation of the equipment. During the use of the grease, there is a natural consumption. If the lubrication is insufficient, it will cause the equipment to wear more severely and then affect the accuracy. Therefore, after working for a period of time, the equipment needs to be disassembled and the grease needs to be replenished. The internal space of the existing planetary gear speed reducer is relatively small, and the amount of grease that can be stored is limited. Therefore, after a small amount of grease is consumed, it needs to be replenished, resulting in a high maintenance frequency and high maintenance cost. Content of the Utility Model
[0003] The technical solution adopted by the utility model is as follows: A modular integrated speed reducer, comprising: A housing, including a front housing and a rear housing. The rear end of the front housing is connected to the front end of the rear housing and forms an equipment cavity inside. An output port is provided at the front end of the front housing, and an input port is provided at the rear end of the rear housing. A ring-shaped convex edge extending forward is provided at the input port. An extended cavity that is recessed from front to back is formed between the outer wall of the ring-shaped convex edge and the inner wall of the rear housing, and the extended cavity is communicated with the equipment cavity. The extended cavity is filled with a lubricant.
[0004] A speed reduction mechanism, including an output shaft, an input shaft, and a gear assembly. The output shaft penetrates through the output port, and a first seal is provided between the output shaft and the output port. The input shaft penetrates through the input port from inside the ring-shaped convex edge, and a second seal is provided between the input shaft and the inner wall of the ring-shaped convex edge. The gear assembly is arranged in the equipment cavity, and the gear assembly connects the output shaft and the input shaft.
[0005] Further, a first connection port is provided at the rear end of the front housing, and a second connection port is provided at the front end of the rear housing. The first connection port and the second connection port are detachably and hermetically connected.
[0006] Further, the gear assembly includes a planetary carrier, and a first bearing is provided between the planetary carrier and the inner wall of the first connection port.
[0007] Further, the first bearing is an angular contact bearing.
[0008] Further, a first flange is provided outside the first connection port, a second flange is provided outside the second connection port, an embedding ring protruding backward is provided on the first connection port, an embedding edge recessed inward is provided on the second connection port, the first flange is connected to the second flange so that the embedding ring is inserted into the embedding edge, and a third seal is provided between the embedding ring and the embedding edge.
[0009] Further, a second bearing is provided between the input shaft and the inner wall of the annular convex edge.
[0010] Further, the second bearing is a deep groove ball bearing.
[0011] Further, the rear housing is provided with an injection port penetrating into the expansion cavity, and a detachable plug is provided in the injection port.
[0012] Further, the first seal is a double-layer skeleton oil seal, and the second seal is a lip seal.
[0013] As can be seen from the above description of the present invention, compared with the prior art, a modular integrated speed reducer provided by the present invention has the following advantages:
[0014] 1. The rear housing has an expansion cavity filled with lubricant, so that the housing of the device has more lubricant in the factory state, and the consumption of lubricant during the working process does not affect the operation of the gear assembly, greatly reducing the maintenance frequency.
[0015] 2. A relatively closed internal space is formed inside the housing. Therefore, the natural evaporation consumption of the lubricant inside is reduced, and external dust and other impurities are also difficult to enter, ensuring the long-term reliable operation of the gear assembly and further improving the durability of the device.
[0016] 3. The product of the present application is a relatively independent integrated module after combination, which is easy to assemble with other devices, has the advantages of modular products, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic cross-sectional structure diagram of a modular integrated speed reducer of the present invention.
[0018] Figure 2 It is a schematic cross-sectional structure diagram of the housing of the present invention.
[0019] Figure 3 It is a schematic front housing structure diagram of the present invention.
[0020] Figure 4 It is a schematic rear housing structure diagram of the present invention.
[0021] Figure 5 It is a schematic structure diagram of a modular integrated speed reducer of the present invention.
[0022] The markings in the figure correspond to the following: 1 - front housing, 11 - equipment cavity, 12 - output port, 13 - first connection port, 131 - first flange, 132 - embedding ring, 14 - third seal, 2 - rear housing, 21 - input port, 22 - annular convex edge, 23 - expansion cavity, 24 - injection port, 241 - plug, 25 - second connection port, 251 - second flange, 252 - embedding edge, 3 - output shaft, 31 - first seal, 4 - input shaft, 41 - second seal, 42 - second bearing, 5 - gear assembly, 51 - planet carrier, 52 - first bearing. Specific embodiments
[0023] The present utility model will be further described below through specific embodiments.
[0024] Referring to Figures 1 to 5 As shown, a modular integrated speed reducer includes a housing and a speed reduction mechanism.
[0025] The housing includes a front housing 1 and a rear housing 2. The rear end of the front housing 1 is connected to the front end of the rear housing 2 and forms an equipment cavity 11 inside. The front end of the front housing 11 is provided with an output port 12, and the rear end of the rear housing 2 is provided with an input port 21. An annular convex edge 22 extending forward is provided at the input port 21. An expansion cavity 23 that is recessed from front to back is formed between the outer wall of the annular convex edge 22 and the inner wall of the rear housing 2, and the expansion cavity 23 communicates with the equipment cavity 11. The expansion cavity 23 is filled with lubricant; the rear housing 2 is provided with an injection port 24 that penetrates into the expansion cavity 23, and a detachable plug 241 is provided in the injection port 24.
[0026] The speed reduction mechanism includes an output shaft 3, an input shaft 4, and a gear assembly 5. The output shaft 4 passes through the output port 12, and a first seal 31 is provided between the output shaft 3 and the output port 12. The first seal 31 is a double-layer skeleton oil seal. The input shaft 4 passes through the input port 21 from inside the annular convex edge 22, and a second seal 41 is provided between the input shaft 4 and the inner wall of the annular convex edge 22. The second seal 41 is a lip seal. The gear assembly 5 is provided in the equipment cavity 11, and the gear assembly 5 connects the output shaft 3 and the input shaft 4. The gear assembly 5 includes a planet carrier 51. A first bearing 52 is provided between the planet carrier 51 and the inner wall of the first connection port 13 provided at the rear end of the front housing 1. The first bearing 52 is an angular contact bearing. A second bearing 42 is provided between the input shaft 4 and the inner wall of the annular convex edge 22. The second bearing 42 is a deep groove ball bearing.
[0027] A first connection port 13 is provided at the rear end of the front housing 1, and a second connection port 25 is provided at the front end of the rear housing 2. The first connection port 13 and the second connection port 25 are detachably and hermetically connected. A first flange 131 is provided outside the first connection port 13, and a second flange 251 is provided outside the second connection port 25. The first connection port 13 is provided with an embedding ring 132 protruding backward, and the second connection port 25 is provided with an embedding edge 252 recessed inward. The first flange 131 and the second flange 251 are connected so that the embedding ring 132 is inserted into the embedding edge 252, and a third seal 14 is provided between the embedding ring 132 and the embedding edge 252.
[0028] The following further illustrates the present application through a specific usage scenario.
[0029] The outer shell is combined and connected by the front housing 1 and the rear housing 2. The rear housing 2 has an expansion cavity 23 filled with lubricants such as grease. So that there is more lubricant in the outer shell in the factory state, and the consumption of the lubricant during the working process does not affect the operation of the gear assembly 5, greatly reducing the maintenance frequency. A first seal 31 is provided between the output port 12 and the output shaft 3, and a second seal 41 is provided between the input port 21 and the input shaft 4. Therefore, a relatively closed internal space is formed inside the outer shell. Due to the relatively closed internal structure of the outer shell, the natural evaporation consumption of the internal lubricant is reduced, and external dust and other impurities are also difficult to enter, ensuring the long-term reliable operation of the gear assembly 5, improving the reliable working duration after each maintenance, and further enhancing the durability of the equipment. The product of the present application is a relatively independent integrated module after combination, which is easy to assemble with other equipment, has the advantages of modular products, and has a wide range of applications.
[0030] The design of the present application can achieve maintenance-free for five years. When maintenance is required, new lubricant can be replenished through the injection port 24 without disassembling the equipment, and the maintenance cost is low.
[0031] The above is only a specific implementation manner of the present utility model, but the design concept of the present utility model is not limited thereto. Any non-substantive modification made to the present utility model using this concept shall fall within the scope of infringement of the protection scope of the present utility model.
Claims
1. A modular integrated reducer, characterized in that: include: The housing comprises a front housing and a rear housing, wherein the rear end of the front housing is connected to the front end of the rear housing and forms a device cavity inside, the front end of the front housing is provided with an output port, the rear end of the rear housing is provided with an input port, the input port is provided with an annular convex edge extending forward, an expansion cavity which is concave from front to back is formed between the outer wall of the annular convex edge and the inner wall of the rear housing, and the expansion cavity is connected with the device cavity, and the expansion cavity is filled with lubricant; The reduction mechanism comprises an output shaft, an input shaft and a gear assembly. The output shaft is passed through the output port, and a first seal is provided between the output shaft and the output port. The input shaft is passed through the inside of an annular convex edge at the input port, and a second seal is provided between the input shaft and the inner wall of the annular convex edge. The gear assembly is provided in the equipment cavity, and the gear assembly connects the output shaft and the input shaft.
2. A modular integrated reducer according to claim 1, characterized in that: The rear end of the front shell is provided with a first connection port, the front end of the rear shell is provided with a second connection port, and the first connection port is detachably and hermetically connected with the second connection port.
3. A modular integrated reducer according to claim 2, characterized in that: The gear assembly comprises a planet carrier, and a first bearing is arranged between the planet carrier and the inner wall of the first connecting port.
4. A modular integrated reducer according to claim 3, characterized in that: The first bearing is an angular contact bearing.
5. The modular integrated reducer according to claim 2, characterized in that: A first flange is provided outside the first connection port, and a second flange is provided outside the second connection port. The first connection port is provided with an embedded ring protruding backward, and the second connection port is provided with an embedded edge recessed inward. The first flange is connected to the second flange so that the embedded ring is inserted into the embedded edge, and a third sealing member is provided between the embedded ring and the embedded edge.
6. The modular integrated reducer according to claim 1, characterized in that: A second bearing is arranged between the input shaft and the inner wall of the annular protrusion.
7. A modular integrated reducer according to claim 6, characterized in that: The second bearing is a deep groove ball bearing.
8. The modular integrated reducer according to claim 1, characterized in that: The rear shell is provided with an injection port penetrating into the expansion cavity, and a detachable plug is arranged in the injection port.
9. The modular integrated reducer according to claim 1, characterized in that: The first sealing member is a double-layer skeleton oil seal, and the second sealing member is a lip seal ring.