CN211667140U - Speed reducer water-cooling structure and speed reducer assembly - Google Patents
Speed reducer water-cooling structure and speed reducer assembly Download PDFInfo
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- CN211667140U CN211667140U CN201921453059.0U CN201921453059U CN211667140U CN 211667140 U CN211667140 U CN 211667140U CN 201921453059 U CN201921453059 U CN 201921453059U CN 211667140 U CN211667140 U CN 211667140U
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Abstract
The utility model discloses a reduction gear water-cooling structure and reduction gear assembly. The water cooling structure comprises a cavity formed by a speed reducer shell and a cover plate, and the cover plate is fixedly connected to the cavity; the chamber is provided with a water inlet and a water outlet respectively, one or a plurality of clapboards are arranged on two opposite side walls of the chamber, the clapboards are arranged in a staggered manner, are only connected with one side wall of the chamber, and have a gap with the other opposite side wall, so that a zigzag water channel is formed, and the water inlet and the water outlet are arranged at two ends of the water channel respectively; the baffle and with still be provided with the several baffle perpendicularly on the parallel chamber lateral wall of baffle, the baffle staggered arrangement. The utility model discloses a water-cooling structure and retarder casing integration are a part, and simple structure saves space, are convenient for arrange on the vehicle to further improve cooling efficiency through above-mentioned specific structure.
Description
Technical Field
The utility model relates to a reduction gear field of making, concretely relates to reduction gear water-cooling structure and reduction gear assembly for reduce reduction gear assembly operating temperature.
Background
The motor adopted by the pure electric or hybrid new energy automobile has a wide rotating speed range and a high rotating speed, and when the speed reducer assembly operates in the high rotating speed range, the gear oil stirring loss is serious, a large amount of heat is generated, and the temperature of the speed reducer assembly is rapidly increased; meanwhile, heat generated by the motor during working is conducted to the speed reducer assembly through the shell, and the temperature rise of the speed reducer assembly is further aggravated.
Most of the existing speed reducer assemblies adopt an air cooling design, the cooling effect is poor, the heat dissipation is not timely, the internal temperature of the speed reducer assembly is too high, parts such as bearings, gears and oil seals run at high temperature for a long time, the failure is easy to occur in advance, the design life and the reliability of the speed reducer assembly are reduced, and the design requirements of new energy automobiles cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a solution or at least a partial solution to the above technical problem.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model discloses a water-cooling structure of speed reducer, which comprises a chamber formed by the speed reducer shell and a cover plate, wherein the cover plate is fixedly connected to the chamber;
the chamber is provided with a water inlet and a water outlet respectively, one or a plurality of clapboards are arranged on two opposite side walls of the chamber, the clapboards are arranged in a staggered manner, are only connected with one side wall of the chamber, and have a gap with the other opposite side wall, so that a zigzag water channel is formed, and the water inlet and the water outlet are arranged at two ends of the water channel respectively;
and a plurality of baffles are vertically arranged on the partition board and the side wall of the chamber parallel to the partition board, the baffles are arranged in a staggered manner, one end of each baffle is connected with the partition board or the side wall of the chamber, and a gap is formed at the other end of each baffle.
Optionally, the bottom of the chamber is further provided with a plurality of heat dissipation columns.
Optionally, the bottom of the cavity is further provided with a wave-shaped heat dissipation rib.
Optionally, the cavity and the reducer housing are integrally cast or fixedly connected.
Optionally, the cover plate and the cavity are integrally cast or fixedly connected.
Optionally, the partition and the baffle are cast or welded with the chamber and the partition and the baffle.
Optionally, the heat dissipation column and the cavity are formed by casting or welding.
Optionally, the cross section of the heat dissipation column is any one of the following shapes: circular, oval, polygonal.
Optionally, the chambers are disposed at the bottom of the reducer case and/or on two side walls of the reducer case.
Another aspect of the present invention provides a speed reducer assembly, including any one of the above water-cooling structures.
The utility model discloses an have following advantage:
the utility model discloses a water-cooling structure and retarder casing integration are a part, and simple structure saves space, are convenient for arrange on the vehicle, have reduced the quantity of spare part simultaneously, reduce the complexity of reduction gear assembly, and are simple reliable.
The utility model discloses design bellied heat dissipation post and wavy heat dissipation muscle bottom the water course, the coolant liquid flows in from the water inlet, loops through multistage heat dissipation post and baffle, and the surface through the heat dissipation post fully carries out the heat exchange, and wavy heat dissipation muscle has increased heat dissipation area of contact, has further improved cooling efficiency, satisfies the high rotational speed operating mode demand of vehicle.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a retarder water cooling structure located on the side of a retarder assembly according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a schematic diagram of a water cooling structure of a speed reducer in the bottom of the speed reducer assembly according to another embodiment of the present invention.
In the figure: 1. a water inlet; 2. a water outlet; 3. a heat-dissipating column; 4. a baffle plate; 5. heat dissipation ribs; 6. a separator.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The meaning of "and/or" in the present invention means that they exist individually or both at the same time.
The meaning of "inside and outside" in the present invention means that the direction inside the pointing device is inside, and vice versa, relative to the device itself.
Referring to fig. 3-4, the water cooling structure of the embodiment of the present invention includes a chamber formed by a speed reducer housing and a cover plate, wherein the cover plate is fixedly connected to the chamber; the chamber is respectively provided with a water inlet 1 and a water outlet 2, the chamber is also provided with one or a plurality of clapboards 6 on two opposite side walls, the clapboards 6 are arranged in a staggered manner, are only connected with one side wall of the chamber, and have a gap with the other opposite side wall, so that a zigzag water channel is formed, and the water inlet 1 and the water outlet 2 are respectively arranged at two ends of the water channel;
and a plurality of baffles 4 are vertically arranged on the partition plate 6 and the side wall of the chamber parallel to the partition plate 6, the baffles 4 are arranged in a staggered manner, one end of each baffle is connected with the partition plate or the side wall of the chamber, and a gap is formed at the other end of each baffle.
Fig. 4 shows the case where there is one partition 6, however, the number of partitions in the present invention is not limited to one partition, and when there are odd number of partitions, the water outlet and the water inlet are on the same side of the chamber, which is convenient for installation and saves space. Further, the baffles 4 in fig. 4 are all vertically symmetrically arranged, but the baffles 4 may also be distributed in an irregular manner.
The utility model discloses a design through baffle and baffle of this embodiment for the cooling water fully flows in the water-cooling chamber, carries out heat exchange with baffle and baffle, has improved refrigerated efficiency.
In a preferred embodiment, the bottom of the chamber is further provided with a plurality of heat dissipation columns 3, and the heat dissipation columns 3 can be regularly or grouped at the bottom of the chamber, or irregularly distributed, so that the purpose of cooling the lubricating oil on the other side of the bottom of the chamber in multiple stages and multiple levels is achieved.
Preferably, the bottom of the cavity is further provided with a wavy heat dissipation rib 5, the heat dissipation rib 5 can be provided with multiple groups or one group, the heat dissipation contact area is increased, lubricating oil flows on the inner side of the wavy heat dissipation rib 5, cooling water flows on the outer side of the wavy heat dissipation rib 5, and heat transferred by the lubricating oil of the speed reducer assembly is taken away.
In one embodiment, the chamber is integrally cast or fixedly connected with the speed reducer shell; the cover plate and the cavity are integrally cast or fixedly connected. The fixed connection may be in various forms such as welding, bolting, and the like, and is not limited in particular.
In one embodiment, the baffle and baffle are cast or welded to the chamber and to the baffle; and the heat dissipation column and the cavity are formed by casting or welding. Through integrated casting molding or welding molding, the connection strength of the partition plate, the baffle plate, the heat dissipation column and the bottom of the cavity is guaranteed, and the manufacturing process is simplified.
In one embodiment, the heat-dissipating stud has a cross-section of any one of the following shapes: the heat dissipation structure is round, oval and polygonal, wherein the polygon can be a triangle, a quadrangle such as a diamond and the like, and can also be a polygon with more than five sides, so that a better heat dissipation effect is achieved.
Preferably, the chambers are arranged at the bottom of the retarder housing and/or on both side walls of the retarder housing. Of course, the water cooling structure can be arranged at any position on the speed reducer shell according to the requirement.
The water cooling structure and the reducer shell are integrated into a part, so that the structure is simple, and the space is saved; meanwhile, the bottom of the water channel is provided with the raised heat dissipation columns 3 and the wavy heat dissipation ribs 5, so that the cooling efficiency is further improved.
The utility model discloses water-cooling structure's work flow as follows: the coolant liquid flows in from water inlet 1, loop through multistage heat dissipation post 3 and baffle 4, rely on the surface of heat dissipation post 3 to fully carry out the heat exchange, wavy heat dissipation muscle 5, heat dissipation area of contact has been increased, lubricating oil flows in the inboard of heat dissipation muscle 5, the coolant liquid flows in the outside of heat dissipation muscle 5, take away the heat that reduction gear assembly lubricating oil transmitted and come, the coolant liquid turns back again after arriving the cooler bottom, the same is again through multistage heat dissipation post 3 and baffle 4, through delivery port 2 outflow, accomplish a cooling cycle.
The utility model discloses another aspect provides a reduction gear assembly, included foretell reduction gear water-cooling structure.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The water cooling structure of the speed reducer is characterized by comprising a cavity and a cover plate, wherein the cavity is formed by a speed reducer shell, and the cover plate is fixedly connected to the cavity;
the chamber is provided with a water inlet and a water outlet respectively, one or a plurality of clapboards are arranged on two opposite side walls of the chamber, the clapboards are arranged in a staggered manner, are only connected with one side wall of the chamber, and have a gap with the other opposite side wall, so that a zigzag water channel is formed, and the water inlet and the water outlet are arranged at two ends of the water channel respectively;
the baffle and with still be provided with the several baffle perpendicularly on the parallel chamber lateral wall of baffle, the baffle staggered arrangement, one end with the baffle or the chamber lateral wall is connected, and the other end has the clearance.
2. The water-cooling structure as claimed in claim 1, wherein the bottom of the chamber is further provided with a heat-dissipating stud.
3. The water-cooling structure as claimed in claim 1 or 2, wherein the bottom of the chamber is further provided with wave-shaped heat dissipation ribs.
4. The water-cooling structure according to claim 1, wherein the chamber is integrally cast or fixedly connected with the reducer case.
5. The water-cooling structure according to claim 1, wherein the cover plate is integrally cast or fixedly connected with the chamber.
6. The water-cooling structure according to claim 1, wherein the partition and the baffle are cast or welded to the chamber and the partition and the baffle are welded to each other.
7. The water-cooling structure of claim 2, wherein the heat-dissipating stud is cast or welded to the cavity.
8. The water-cooling structure according to claim 2 or 7, wherein the cross section of the heat radiation column is any one of the following shapes: circular, oval, polygonal.
9. The water-cooling structure according to claim 1, wherein the chamber is provided on a bottom of the decelerator casing and/or both side walls of the decelerator casing.
10. A decelerator assembly comprising a water-cooled structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453059.0U CN211667140U (en) | 2019-09-03 | 2019-09-03 | Speed reducer water-cooling structure and speed reducer assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453059.0U CN211667140U (en) | 2019-09-03 | 2019-09-03 | Speed reducer water-cooling structure and speed reducer assembly |
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| CN211667140U true CN211667140U (en) | 2020-10-13 |
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| CN201921453059.0U Active CN211667140U (en) | 2019-09-03 | 2019-09-03 | Speed reducer water-cooling structure and speed reducer assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630731A (en) * | 2019-09-03 | 2019-12-31 | 精进电动科技股份有限公司 | Speed reducer water-cooling structure and speed reducer assembly |
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2019
- 2019-09-03 CN CN201921453059.0U patent/CN211667140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630731A (en) * | 2019-09-03 | 2019-12-31 | 精进电动科技股份有限公司 | Speed reducer water-cooling structure and speed reducer assembly |
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