CN217381514U

CN217381514U - Powder metallurgy planetary gear for new energy automobile

Info

Publication number: CN217381514U
Application number: CN202221076864.8U
Authority: CN
Inventors: 邬全; 徐海; 胡云峰; 朱蕾; 林伟; 朱剑锋
Original assignee: Yangzhou Yide Machinery Co ltd
Current assignee: Yangzhou Yide Machinery Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-06
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a powder metallurgy planetary gear for new energy automobile, including the gear body, the gear body includes first end cover, first wheel body, second end cover and fastening bolt, be provided with the teeth of a cogwheel on the outer wall of first wheel body, and the teeth of a cogwheel are cyclic annular array and distribute, the mounting groove has all been seted up to the top and the bottom central point of first wheel body, the third mounting hole has been seted up in the mounting groove, and the third mounting hole is cyclic annular array and distributes, the second centre bore has been seted up to the end wall central point of first wheel body, install first heat-conducting plate on the pore wall of second centre bore. The utility model solves the problem of short service life of the existing planetary gear; the utility model discloses can effectually dispel the heat to self, avoid gear body self high temperature and be in operating condition for a long time and lead to the condition emergence that the gear body damaged, improve the life of gear body, the practicality is strong.

Description

Powder metallurgy planetary gear for new energy automobile

Technical Field

The utility model relates to a planetary gear technical field specifically is a powder metallurgy planetary gear for new energy automobile.

Background

The planetary gear is characterized in that the rotation axis is not fixed and is arranged on a bracket (blue) capable of rotating. In addition to the planet gears rotating about their own axes of rotation as fixed axis gears, their axes of rotation also rotate with the carrier (referred to as the planet carrier) about the axes of the other gears.

However, when the existing powder metallurgy planetary gear for the new energy automobile is actually used, the temperature of the gear is increased due to meshing rotation of the gear, the gear is easy to damage when the gear works in a high-temperature state for a long time, and the service life is short; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder metallurgy planetary gear for new energy automobile to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a powder metallurgy planetary gear for a new energy automobile comprises a gear body, wherein the gear body comprises a first end cover, a first wheel body, a second end cover and fastening bolts, gear teeth are arranged on the outer wall of the first wheel body and distributed in an annular array manner, mounting grooves are formed in the top end and the bottom end of the first wheel body, third mounting holes are formed in the mounting grooves and distributed in an annular array manner, a second center hole is formed in the end wall center position of the first wheel body, a first heat conducting plate is mounted on the hole wall of the second center hole and distributed in an annular array manner, a second heat conducting plate and blades are arranged on the outer wall of the second wheel body, a third center hole is formed in the end wall center position of the second wheel body, and hollow protrusions are arranged in the surface center positions of one end of the first end cover and one end of the second end cover, first mounting hole, ventilation hole, second mounting hole and first centre bore have been seted up from outside to inside in proper order to the surface of first end cover and second end cover, the second wheel body is installed to the inboard of first wheel body, the second heat-conducting plate on the second wheel body is installed between adjacent first heat-conducting plate, install first end cover and second end cover in the mounting groove on first wheel body top and bottom respectively.

Preferably, the first mounting holes in the first end cover and the second end cover are fixedly connected with the third mounting hole in the first wheel body through fastening bolts.

Preferably, the second mounting holes in the first end cover and the second end cover are fixedly connected with the fourth mounting hole in the second wheel body through a fastening bolt.

Preferably, the sum of the heights of the first end cover, the second end cover and the second wheel body is equal to the height of the first wheel body.

Preferably, vertical center lines among the first center hole, the second center hole and the third center hole are overlapped with each other.

Preferably, the second heat-conducting plate and the blades are three, the second heat-conducting plate and the blades are distributed in an annular array, and the second heat-conducting plate and the blades are distributed in a staggered mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation setting of a series of structures, the utility model discloses when in actual use and rotate, the blade on the gear body is also in the pivoted state, and the blade is in the pivoted state can be with outside cold air from the ventilation hole suction gear body's inside and discharge from the ventilation hole, and this air flow's in-process can be effectual dispel the heat to first wheel body, second wheel body, first heat-conducting plate, second heat-conducting plate, because of second wheel body is connected with axle class to can indirectly dispel the heat to the axle class structure of installation, can know from the above-mentioned, the utility model solves the problem that current planetary gear life is low; the utility model discloses can effectually dispel the heat to self, avoid gear body self high temperature and be in operating condition for a long time and lead to the condition emergence that the gear body damaged, improve the life of gear body, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention.

In the figure: 1. a gear body; 11. a first end cap; 1101. a first mounting hole; 1102. a second mounting hole; 1103. a first central aperture; 1104. a hollow boss; 1105. a vent hole; 12. a first wheel body; 1201. a second central aperture; 1202. a third mounting hole; 1203. mounting grooves; 1204. gear teeth; 1205. a first heat-conducting plate; 13. a second wheel body; 1301. a blade; 1302. a fourth mounting hole; 1303. a second heat-conducting plate; 1304. a third central aperture; 14. a second end cap; 15. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a powder metallurgy planetary gear for a new energy automobile comprises a gear body 1, wherein the gear body 1 comprises a first end cover 11, a first wheel body 12, a second wheel body 13, a second end cover 14 and a fastening bolt 15, gear teeth 1204 are arranged on the outer wall of the first wheel body 12 and distributed in an annular array, mounting grooves 1203 are formed in the center positions of the top end and the bottom end of the first wheel body 12, third mounting holes 1202 are formed in the mounting grooves 1203 and distributed in an annular array, a second center hole 1201 is formed in the center position of the end wall of the first wheel body 12, a first heat conducting plate 1205 is mounted on the hole wall of the second center hole 1201, the first heat conducting plate 1205 is distributed in an annular array, a second heat conducting plate 1303 and blades 1301 are arranged on the outer wall of the second wheel body 13, a third center hole 1304 is formed in the center position of the end wall of the second wheel body 13, hollow bulges 1104 are arranged in the center positions of one end surfaces of the first end cover 11 and the second end cover 14, the surfaces of the first end cover 11 and the second end cover 14 are sequentially provided with a first mounting hole 1101, a vent hole 1105, a second mounting hole 1102 and a first center hole 1103 from outside to inside, the inner side of the first wheel body 12 is provided with the second wheel body 13, the second heat conduction plate 1303 on the second wheel body 13 is mounted between the adjacent first heat conduction plates 1205, the mounting grooves 1203 on the top and bottom of the first wheel body 12 are respectively provided with the first end cover 11 and the second end cover 14, the first mounting holes 1101 on the first end cover 11 and the second end cover 14 are fixedly connected with the third mounting holes 1202 on the first wheel body 12 through fastening bolts 15, the second mounting holes 1102 on the first end cover 11 and the second end cover 14 are fixedly connected with the fourth mounting holes 1302 on the second wheel body 13 through fastening bolts 15, the sum of the heights of the first end cover 11, the second end cover 14 and the second wheel body 13 is equal to the height of the first wheel body 12, the vertical center lines of the first center hole 1103, the second center hole 1201 and the third center hole 1304 are coincident with each other, the number of the second heat-conducting plates 1303 is three, the number of the third blades 1301 is three, the number of the second heat-conducting plates 1303 is three, the number of the third blades 1301 is three, and the number of the third heat-conducting plates 1303 is staggered with the number of the third blades 1301.

The working principle is as follows: the utility model discloses when in actual use and rotate, blade 1301 on gear body 1 is also in the pivoted state, and blade 1301 is in the pivoted state can be with outside cold air from ventilation hole 1105 intake gear body 1's inside and discharge from ventilation hole 1105, and this air flow's in-process can be effectual dispels the heat to first wheel body 12, second wheel body 13, first heat-conducting plate 1205, second heat-conducting plate 1303, because second wheel body 13 is connected with axle class to can indirectly dispel the heat to the axle class structure of installation, can know from the above-mentioned, the utility model solves the problem that current planetary gear life is low; the utility model discloses can effectually dispel the heat to self, avoid 1 self high temperature of gear body and be in operating condition for a long time and lead to the condition emergence that gear body 1 damaged, improve gear body 1's life, the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a powder metallurgy planetary gear for new energy automobile, includes gear body (1), its characterized in that: the gear body (1) comprises a first end cover (11), a first wheel body (12), a second wheel body (13), a second end cover (14) and fastening bolts (15), wherein gear teeth (1204) are arranged on the outer wall of the first wheel body (12), the gear teeth (1204) are distributed in an annular array, mounting grooves (1203) are formed in the center positions of the top end and the bottom end of the first wheel body (12), third mounting holes (1202) are formed in the mounting grooves (1203), the third mounting holes (1202) are distributed in an annular array, a second central hole (1201) is formed in the center position of the end wall of the first wheel body (12), a first heat conducting plate (1205) is mounted on the hole wall of the second central hole (1201), the first heat conducting plate (1205) is distributed in an annular array, and second heat conducting plates (1303) and blades (1301) are arranged on the outer wall of the second wheel body (13), third centre bore (1304) have been seted up to the end wall central point of second wheel body (13), the one end surface central point of first end cover (11) and second end cover (14) puts and all is provided with cavity bellying (1104), first mounting hole (1101), ventilation hole (1105), second mounting hole (1102) and first centre bore (1103) have been seted up in proper order to the surface of first end cover (11) and second end cover (14) from outside to inside, second wheel body (13) are installed to the inboard of first wheel body (12), second heat-conducting plate (1303) on second wheel body (13) are installed between adjacent first heat-conducting plate (1205), install first end cover (11) and second end cover (14) in mounting groove (1203) on first wheel body (12) top and bottom respectively.

2. The powder metallurgy planetary gear for the new energy automobile according to claim 1, characterized in that: the first mounting holes (1101) on the first end cover (11) and the second end cover (14) are fixedly connected with the third mounting hole (1202) on the first wheel body (12) through fastening bolts (15).

3. The powder metallurgy planetary gear for the new energy automobile according to claim 1, characterized in that: and the second mounting holes (1102) on the first end cover (11) and the second end cover (14) are fixedly connected with the fourth mounting hole (1302) on the second wheel body (13) through a fastening bolt (15).

4. The powder metallurgy planetary gear for the new energy automobile according to claim 1, characterized in that: the sum of the heights of the first end cover (11), the second end cover (14) and the second wheel body (13) is equal to the height of the first wheel body (12).

5. The powder metallurgy planetary gear for the new energy automobile according to claim 1, characterized in that: the vertical center lines of the first center hole (1103), the second center hole (1201) and the third center hole (1304) are coincident with each other.

6. The powder metallurgy planetary gear for the new energy automobile according to claim 1, characterized in that: the second heat-conducting plates (1303) and the blades (1301) are three, the second heat-conducting plates (1303) and the three blades (1301) are distributed in an annular array mode, and the second heat-conducting plates (1303) and the three blades (1301) are distributed in a staggered mode.