CN218000365U

CN218000365U - Planet carrier with heat dissipation function

Info

Publication number: CN218000365U
Application number: CN202222193365.3U
Authority: CN
Inventors: 刘喜康; 薛帅如; 谭维佳
Original assignee: Anhui Hetai Transmission Technology Co ltd
Current assignee: Anhui Hetai Transmission Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-09
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a planet wheel carrier with heat dissipation function, which relates to the technical field of automobile parts, and comprises a planet wheel carrier and a planet gear transmission device positioned in the planet wheel carrier, wherein the planet wheel carrier is provided with a rotating shaft, the outer ring of the rotating shaft is fixedly connected with a plurality of fan blades, the planet gear transmission device is fixedly connected with the rotating shaft and positioned above the fan blades, the outer ring of the planet wheel carrier is fixedly connected with a plurality of radiating fins and is provided with a plurality of placing holes; when the planetary gear transmission starts to rotate, the rotating shaft is made to rotate. The utility model discloses can reach and carry out radiating purpose along with planetary gear transmission's motion, the heat that produces when effectual messenger planetary gear transmission moves runs off, improves its life, and has reduced the energy consumption, has higher practicality, is convenient for install planetary gear transmission on the planet wheel carrier simultaneously, and easy operation is fit for promoting in a large number.

Description

Planet carrier with heat dissipation function

Technical Field

The utility model relates to an automobile parts technical field, in particular to planet wheel carrier with heat dissipation function.

Background

The planet wheel carrier is a part with the largest bearing torque in the hub reduction gear, the quality of the planet wheel carrier has great influence on load distribution among the planet wheels, the bearing capacity of a transmission device, noise, vibration and the like, the planet wheel carrier is mainly used for the hub reduction gear, and the hub reduction gear is used for improving the driving force of an automobile and meeting or correcting the matching of the force of the whole transmission system.

For example, the publication number CN215487590U proposes a planet carrier with a heat dissipation function, which relates to the technical field of planet carriers, and the planet carrier with a heat dissipation function comprises a planet carrier, wherein the upper surface of the planet carrier is provided with a spindle hole and a planet gear shaft hole, the planet carrier comprises an upper disc body and a lower disc body which is integrally formed with the upper disc body, an annular channel is formed inside the lower disc body, the inner wall of the lower disc body is provided with a plurality of exhaust holes communicated with the annular channel, and the outer circumferential surface of the lower disc body is provided with at least one air inlet hole communicated with the annular channel along the radial direction;

although the utility model discloses in the operation of planetary gear transmission device in-process, start the hot blast blowpipe apparatus and carry outside gas to the inside of annular channel through the inlet port earlier, then the gas is discharged to the inboard of lower disk body through the exhaust hole, the hot source area, and the heat that produces during operation of planetary gear transmission device can effectively be absorbed to the air that flows, improves its life; but at radiating in-process, need dispel the heat through air inlet unit's cooperation, not only increased the energy consumption, when air inlet unit appears damaging moreover, can not dispel the heat promptly, the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

To the above problem, the present application provides a planet wheel carrier with heat dissipation function.

In order to achieve the above purpose, the present application provides the following technical solutions: a planet carrier with a heat dissipation function comprises a planet carrier and a planetary gear transmission device positioned in the planet carrier, wherein a rotating shaft is arranged on the planet carrier, a plurality of fan blades are fixedly connected to the outer ring of the rotating shaft, the planetary gear transmission device is fixedly connected with the rotating shaft and positioned above the fan blades, and a plurality of radiating fins are fixedly connected to the outer ring of the planet carrier and provided with a plurality of placing holes;

when the planetary gear transmission device starts to rotate, the rotating shaft is made to rotate, and then the fan blades are made to rotate, so that the air flow in the planetary gear carrier flows rapidly, and heat exchange is carried out with the outside through the placing holes.

Preferably, a plurality of first through holes are formed in the side wall of the planetary carrier, and the first through holes are located between the placing holes.

Preferably, a triangular plate is fixedly connected to the planet carrier, three second through holes are formed between the triangular plate and the planet carrier, and the rotating shaft is rotatably connected with the triangular plate.

Preferably, a plurality of mounting holes are formed in the top and the bottom of the planet carrier, and the top mounting hole is provided with an insertion hole.

Preferably, the planetary gear transmission device comprises a main gear fixedly connected to the rotating shaft, a fixed shaft is fixedly connected in the mounting hole, an auxiliary gear meshed with the main gear is rotatably sleeved on the outer ring of the fixed shaft, and the auxiliary gear partially extends out of the placing hole;

the main gear is provided with a plurality of matching holes, and the rotating shaft is provided with a plurality of connecting holes with the diameter equal to that of the matching holes;

when the main gear is assembled, the main gear is sleeved on the outer ring of the rotating shaft, the matching holes are aligned with the connecting holes, and then the main gear is inserted into the matching holes and the connecting holes through screws and then fixed on the rotating shaft.

Preferably, one end of the fixed shaft is fixedly connected with two symmetrically distributed connecting lugs, and the other end of the fixed shaft is provided with a through hole with the diameter equal to that of the jack;

when assembling the pinion, the pinion is put into the planetary carrier through the placing hole 104 and engaged with the main gear, and then the fixed shaft is inserted into the pinion and fixed with the planetary carrier by screws and bolts.

To sum up, the utility model discloses a technological effect and advantage:

the utility model discloses can reach and carry out radiating purpose along with planetary gear's motion, the heat that produces when effectual messenger planetary gear moves runs off, improves its life, and has reduced the energy consumption, has higher practicality, is convenient for install planetary gear with planetary gear on the planet wheel carrier simultaneously, and easy operation is fit for promoting in a large number.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a first view angle structure schematic diagram of a planetary carrier.

Fig. 2 is a schematic diagram of a second visual angle structure of the planetary carrier.

Fig. 3 is a first view structure schematic diagram of the planetary carrier assembly main gear and the auxiliary gear.

Fig. 4 is a schematic diagram of a second visual angle structure of the planetary carrier assembly main gear and the auxiliary gear.

In the figure: 1. a planet carrier; 101. mounting holes; 102. a jack; 103. a first through hole; 104. placing holes; 2. a heat sink; 3. a set square; 301. a second through hole; 4. a rotating shaft; 401. connecting holes; 5. a fan blade; 6. a main gear; 601. a mating hole; 7. a pinion gear; 8. a fixed shaft; 801. and (5) connecting lugs.

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 efforts all belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a planetary carrier with a heat dissipation function includes a planetary carrier 1 and a planetary gear transmission device located in the planetary carrier 1, a rotating shaft 4 is provided on the planetary carrier 1, a plurality of fan blades 5 are fixedly connected to an outer ring of the rotating shaft 4, the planetary gear transmission device is fixedly connected to the rotating shaft 4 and located above the fan blades 5, a plurality of cooling fins 2 are fixedly connected to an outer ring of the planetary carrier 1, the heat dissipation efficiency of the planetary carrier is improved, and a plurality of placing holes 104 are provided.

When the planetary gear transmission device starts to rotate, the rotating shaft 4 rotates, the fan blades 5 rotate, air flow in the planetary gear carrier 1 flows rapidly, flowing air can effectively enable heat generated when the planetary gear transmission device operates to lose, the service life of the planetary gear transmission device is prolonged, heat exchange is carried out with the outside through the placing holes 104, the purpose of heat dissipation along with movement of the planetary gear transmission device is achieved, and energy consumption is reduced.

As shown in fig. 2, a plurality of first through holes 103 are formed in the side wall of the planetary carrier 1, and the first through holes 103 are located between the placing holes 104, so that not only can the weight of the planetary carrier 1 be reduced, but also the inlets for heat exchange between air flow and the outside can be increased by matching with the placing holes 104, and further the heat dissipation efficiency is increased.

As shown in fig. 1, a triangle 3 is fixedly connected to the planetary carrier 1, in this embodiment, the triangle 3 and the planetary carrier 1 are integrally formed, and three second through holes 301 are formed between the triangle 3 and the planetary carrier 1, so that the weight of the planetary carrier is reduced while the overall strength of the bottom plate of the planetary carrier 1 is ensured, and the rotating shaft 4 is rotatably connected to the triangle 3.

As shown in fig. 1, the top and the bottom of the planetary carrier 1 are both provided with a plurality of mounting holes 101 for mounting the planetary gear transmission, wherein the top mounting hole 101 is provided with an insertion hole 102 for fixing the planetary gear transmission.

As shown in fig. 3, the planetary gear transmission device includes a main gear 6 fixedly connected to the rotating shaft 4, a fixed shaft 8 is fixedly connected in the mounting hole 101, a sub-gear 7 engaged with the main gear 6 is rotatably sleeved on an outer ring of the fixed shaft 8, and a part of the sub-gear 7 extends out of the placing hole 104; the main gear 6 is provided with a plurality of fitting holes 601, and the rotating shaft 4 is provided with a plurality of connecting holes 401 having the same diameter as the fitting holes 601.

When the main gear 6 is assembled, the main gear 6 is sleeved on the outer ring of the rotating shaft 4, the fitting hole 601 is aligned with the connecting hole 401, and then the main gear 6 is fixed on the rotating shaft 4 by inserting screws into the fitting hole 601 and the connecting hole 401.

When the main gear 6 rotates, the rotating shaft 4 rotates, and the fan blades 5 rotate along with the rotating shaft, so that the airflow in the planet carrier 1 flows, and heat dissipation is performed.

As shown in fig. 4, two symmetrically distributed engaging lugs 801 are fixedly connected to one end of the fixed shaft 8, and a through hole having a diameter equal to that of the insertion hole 102 is formed in the other end.

When the pinion 7 is assembled, the pinion 7 is inserted into the planetary carrier 1 through the placement hole 104 and engaged with the main gear 6, and then the fixed shaft 8 is inserted into the pinion 7, and the fixed shaft 8 is fixed to the planetary carrier 1 by screws and bolts.

When the main gear 6 rotates, the sub-gear 7 engaged therewith is rotated, and power transmission is performed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a planet wheel carrier with heat dissipation function, includes planet wheel carrier (1) and is located planetary gear transmission in planet wheel carrier (1), its characterized in that: a rotating shaft (4) is arranged on the planet carrier (1), a plurality of fan blades (5) are fixedly connected to the outer ring of the rotating shaft (4), the planetary gear transmission device is fixedly connected with the rotating shaft (4) and is positioned above the fan blades (5), a plurality of radiating fins (2) are fixedly connected to the outer ring of the planet carrier (1), and a plurality of placing holes (104) are formed in the outer ring of the planet carrier;

when the planetary gear transmission device starts to rotate, the rotating shaft (4) is rotated, and then the fan blades (5) are rotated, so that air flow in the planetary gear carrier (1) flows rapidly, and heat exchange is carried out between the air flow and the outside through the placing holes (104).

2. The planetary carrier with a heat dissipation function as claimed in claim 1, wherein: the side wall of the planet carrier (1) is provided with a plurality of first through holes (103), and the first through holes (103) are located between the placing holes (104).

3. The planetary carrier with a heat dissipation function as in claim 1, wherein: the planetary gear carrier (1) is fixedly connected with a triangular plate (3), three second through holes (301) are formed between the triangular plate (3) and the planetary gear carrier (1), and the rotating shaft (4) is rotationally connected with the triangular plate (3).

4. The planetary carrier with a heat dissipation function as claimed in claim 1, wherein: the top and the bottom of the planet carrier (1) are both provided with a plurality of mounting holes (101), wherein the top of the mounting holes (101) is provided with jacks (102).

5. The planetary carrier with a heat dissipation function according to claim 4, wherein: the planetary gear transmission device comprises a main gear (6) fixedly connected to the rotating shaft (4), a fixed shaft (8) is fixedly connected to the inside of the mounting hole (101), an auxiliary gear (7) meshed with the main gear (6) is rotatably sleeved on the outer ring of the fixed shaft (8), and part of the auxiliary gear (7) extends out of the placing hole (104);

a plurality of matching holes (601) are formed in the main gear (6), and a plurality of connecting holes (401) with the same diameter as the matching holes (601) are formed in the rotating shaft (4);

when the main gear (6) is assembled, the main gear (6) is sleeved on the outer ring of the rotating shaft (4), the matching hole (601) is aligned with the connecting hole (401), and then the main gear (6) is fixed on the rotating shaft (4) by inserting screws into the matching hole (601) and the connecting hole (401).

6. The planetary carrier with a heat dissipation function as in claim 5, wherein: one end of the fixed shaft (8) is fixedly connected with two symmetrically distributed connecting lugs (801), and the other end of the fixed shaft is provided with a through hole with the diameter equal to that of the jack (102);

when the pinion (7) is assembled, the pinion (7) enters the planet carrier (1) through the placing hole (104) and is meshed with the main gear (6), then the fixed shaft (8) is inserted into the pinion (7), and the fixed shaft (8) is fixed with the planet carrier (1) through screws and screws.