CN219510117U

CN219510117U - Cooling device of planetary reducer

Info

Publication number: CN219510117U
Application number: CN202223416033.3U
Authority: CN
Inventors: 吴广明; 陆正东; 吴景亮
Original assignee: Jiangsu Bright Reducer Parts Manufacturing Co ltd
Current assignee: Jiangsu Bright Reducer Parts Manufacturing Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-08-11
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a cooling device of a planetary reducer, which belongs to the technical field of planetary reducers and comprises a machine shell, a first ventilation part arranged on the machine shell, a planetary gear arranged on a planetary gear carrier, a fan cooling part communicated with the machine shell and a second ventilation part arranged on the side wall of the machine shell, wherein the first ventilation part is communicated with the second ventilation part through the interior of the machine shell, and the fan cooling part is additionally arranged on the machine shell, so that the planetary gear can drive a transmission gear to drive cooling fan blades to cool the interior of the speed reducer when the speed reducer works, the cooling effect is obvious, and the cost is low; through installing the ventilative spare of second additional at fan radiating part, with the first ventilative spare cooperation on the casing, can play the passageway of the air exchange in the cooling, balanced speed reducer inside and outside atmospheric pressure avoids the circulation of air can make impurity get into the speed reducer and cause the damage to the built-in part.

Description

Cooling device of planetary reducer

Technical Field

The utility model relates to the technical field of planetary speed reducers, in particular to a cooling device of a planetary speed reducer.

Background

After the temperature of the planetary reducer is gradually increased, the viscosity of oil is reduced, an oil film is thinned, friction heating is generated between a disc and a tile, the tile surface is burnt, and larger loss is caused.

At present, the planetary reducer is cooled by adopting the following methods: 1. adding the lubricating oil according to the standard of the lubricating oil or the lubricating grease recommended by the specification; 2. ensuring normal operation of the lubricating oil pump and smooth oil passage; 3. enhancing ventilation, such as cooling by a large exhaust fan, and reducing environmental temperature; the former two ways can increase the use cost, and have no way to avoid the overheating problem; the latter mode is through radiating from the outside of speed reducer for the speed reducer occupation space is big, and is with high costs and the effect is unobvious.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide the cooling device for the planetary speed reducer, which ensures that the inside of the speed reducer is not polluted through the ventilation cap, and simultaneously drives the transmission gear to transmit through the internal planetary gear, so that the cooling fan blade is driven by the driving gear to cool the inside of the speed reducer, the cooling effect is obvious, and the cost is low.

In order to solve the technical problems, the utility model provides a cooling device of a planetary reducer, which adopts the following technical scheme: the novel cooling fan comprises a shell, a first ventilation part arranged on the shell, a planet gear carrier arranged in the shell and a planet gear arranged on the planet gear carrier, and further comprises a fan radiating part which is arranged on the side wall of the shell and communicated with the shell, wherein a second ventilation part is arranged at an air inlet of the fan radiating part, and the first ventilation part is communicated with the second ventilation part through the inside of the shell.

Optionally, the fan radiating piece includes heat dissipation casing, drive gear and heat dissipation flabellum, rotate in the heat dissipation casing and be connected with the drive gear with planetary gear meshing, the heat dissipation flabellum is connected in the one end of heat dissipation axle, the drive gear with drive gear meshing is established to the one end cover that the heat dissipation axle was kept away from to the heat dissipation flabellum.

Through adopting above-mentioned technical scheme, drive transmission gear through the inside planetary gear 4 of speed reducer during operation to drive the cooling of heat dissipation flabellum inside the speed reducer through driving gear, the cooling effect is showing, and is with low costs moreover.

Optionally, a through hole is formed in the side wall of the casing, and the heat dissipation casing is connected to the through hole in a sealing manner.

Through adopting above-mentioned technical scheme, realize the intercommunication connection of heat dissipation casing and casing.

Optionally, the heat dissipation casing is located the casing and is kept away from one side of first ventilative spare, drive gear meshes with the planetary gear that keeps away from first ventilative spare.

Through adopting above-mentioned technical scheme, the air circulation distance is long, guarantees the radiating effect.

Optionally, the first ventilation member is installed on the oil filling hole of the casing.

By adopting the technical scheme, the oiling can be performed after the first ventilation piece is detached.

Optionally, the first ventilation member and the second ventilation member have the same structure and are ventilation caps.

By adopting the technical proposal, the utility model is used for ventilation, the device is mainly used for balancing the atmospheric pressure inside and outside the speed reducer.

Optionally, the ventilation cap comprises a valve body and a valve cover connected to the valve body, a ventilation pipe is inserted into the valve body, a vent hole is formed in the valve cover, and a filter piece is filled at one end, close to the vent hole, of the ventilation pipe.

Through adopting above-mentioned technical scheme, can play the passageway that provides the air exchange when cooling, avoid the circulation of air moreover can make impurity get into the speed reducer and cause the damage to the built-in part.

Optionally, the filter element is composed of a double-layer filter element with different filter holes.

Through adopting above-mentioned technical scheme, play hierarchical filtration's function, be difficult to by the jam and make impurity such as dust be difficult to pass in the multilayer filter core entering speed reducer organism.

In summary, the utility model has the beneficial effects that:

1. through install the fan radiating piece additional on the casing, can drive gear at the inside planetary gear of speed reducer during operation and carry out the transmission to drive the cooling that the cooling flabellum carries out the speed reducer inside through driving gear, the cooling effect is showing, and is with low costs moreover.

2. Through installing the ventilative spare of second additional at fan radiating part, with the first ventilative spare cooperation on the casing, can play the passageway of the air exchange in the cooling, balanced speed reducer inside and outside atmospheric pressure avoids the circulation of air can make impurity get into the speed reducer and cause the damage to the built-in part.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of a fan radiator according to the present utility model;

figure 4 is a schematic view of the vent cap of the present utility model.

Reference numerals illustrate: 1. a housing; 2. a first air permeable member; 3. a planetary carrier; 4. a planetary gear; 5. a fan heat sink; 501. a heat dissipation housing; 502. a transmission gear; 503. a drive gear; 504. radiating fan blades; 505. a heat radiation shaft; 506. an air inlet; 6. a second air permeable member; 601. a valve body; 602. a valve cover; 603. a vent pipe; 604. a vent; 605. a filter element; 7. a through port; 8. and an oil filling hole.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

Example 1

Referring to fig. 1-2, the utility model discloses a cooling device of a planetary reducer, which comprises a machine shell 1 and a first ventilation member 2 arranged on the machine shell 1, wherein the first ventilation member 2 adopts a ventilation cap, and the first ventilation member 2 is arranged on an oil filling hole 8 of the machine shell 1; after the ventilation cap is detached, the oiling can be performed. The planetary gear carrier 3 arranged in the shell 1 and the planetary gear 4 arranged on the planetary gear carrier 3 can reduce the speed of an input shaft and an output shaft inserted into two ends of the shell through the planetary gear 4, and in order to improve the cooling effect of the planetary speed reducer, the planetary speed reducer further comprises a fan heat dissipation part 5 which is arranged on the side wall of the shell 1 and communicated with the shell 1,

as shown in fig. 2-3, the fan heat dissipation part 5 includes a heat dissipation housing 501, a transmission gear 502, a driving gear 503 and heat dissipation blades 504, the cross section of the heat dissipation housing 501 is L-shaped, a horizontal part is used for installing the heat dissipation blades 504, a vertical part is used for installing the transmission gear 502 and the driving gear 503, the heat dissipation housing 501 is rotationally connected with the transmission gear 502 meshed with the planetary gear 4, the heat dissipation blades 504 are connected with one end of a heat dissipation shaft 505, one end of the heat dissipation shaft 505, away from the heat dissipation blades 504, is sleeved with the driving gear 503 meshed with the transmission gear 502, and the internal planetary gear 4 drives the transmission gear 502 to drive the heat dissipation blades 504 to cool the inside of the speed reducer through the driving gear 503, so that the cooling effect is remarkable and the cost is low. In order to ensure the circulation of heat dissipation air of the heat dissipation fan blades 504, an air inlet 506 is formed in the heat dissipation shell 501, impurities can enter the speed reducer to damage parts in the machine in order to avoid air circulation, a second ventilation part 6 is arranged in the air inlet 506, and the first ventilation part 2 is communicated with the second ventilation part 6 through the inside of the machine shell 1, so that heat exchange between the inside and the outside of the machine shell 1 is realized. The side wall of the casing 1 is provided with a through hole 7, the heat dissipation casing 501 is connected to the through hole 7 in a sealing manner, and the heat dissipation casing 501 can be detachably connected to the casing 1 by bolts or welded to the casing. In order to ensure the heat dissipation effect, the ventilation distance in the casing 1 is long, the heat dissipation shell 501 is arranged on one side, far away from the first ventilation part 2, of the casing 1, so that the second ventilation part 6 is far away from the first ventilation part 2 on the casing 1, heat in the casing 1 can be driven to exchange, rapid cooling is realized, and the transmission gear 502 is meshed with the planetary gear 4 far away from the first ventilation part 2.

Working principle: a through hole 7 is formed in one side of the shell 1, which is located on the planetary gear 4, then a heat dissipation shell 501 internally provided with a transmission gear 502, a driving gear 503 and heat dissipation fan blades 504 is arranged at the through hole 7, when the speed reducer works, the planetary gear 4 drives the heat dissipation fan blades 504 to rotate through the transmission gear 502 and the driving gear 503, and exchange of air inside and outside the speed reducer can be guaranteed under the driving of the heat dissipation fan blades 504 through a first ventilation part 2 arranged on the shell 1 and a second ventilation part 6 arranged on the heat dissipation fan blades 504.

Example two

Referring to fig. 4, in this embodiment, in order to damage the parts inside the speed reducer caused by the impurity entering the speed reducer during the exchange of the air inside and outside the speed reducer, based on the same concept as that of the first embodiment, the cooling device for the planetary speed reducer further includes a first ventilation member 2 and a second ventilation member 6, which are both ventilation caps. The existing ventilation cap is used for ventilation and is mainly used for balancing the atmospheric pressure inside and outside the speed reducer, and in the embodiment, the ventilation cap can also serve as a channel for air exchange during cooling. Specifically, the ventilation cap comprises a valve body 601 and a valve cover 602 connected to the valve body 601, a ventilation pipe 603 is inserted into the valve body 601, a ventilation port 604 is formed in the valve cover 602, one end, close to the ventilation port 604, of the ventilation pipe 603 is filled with a filter element, and the filter element consists of double-layer filter elements 605 with different filter holes. So that the filter core near the vent 604 has lower filtering precision for filtering larger granular impurities, and the filter core near the vent 603 has higher filtering precision for filtering dust, the vent cap can have the function of graded filtering in this way, compared with the prior single-layer filter screen vent cap, the vent cap is not easy to be blocked, and the impurities such as dust are difficult to penetrate through the multi-layer filter core to enter the reducer body, thereby always having good ventilation and dust prevention effects, ensuring the normal internal pressure of the reducer, reducing the maintenance cost of the reducer, and prolonging the service lives of the vent cap and the reducer.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a planetary reducer heat sink, includes casing (1), installs first ventilative piece (2) on casing (1), installs planetary gear carrier (3) in casing (1) and installs planetary gear (4) on planetary gear carrier (3), its characterized in that: the novel fan cooling device is characterized by further comprising a fan cooling piece (5) communicated with the machine shell (1) and arranged on the side wall of the machine shell (1), wherein a second ventilation piece (6) is arranged at an air inlet (506) of the fan cooling piece (5), and the first ventilation piece (2) is communicated with the second ventilation piece (6) through the inside of the machine shell (1).

2. The planetary reducer cooling device according to claim 1, wherein: the fan radiating piece (5) comprises a radiating shell (501), a transmission gear (502), a driving gear (503) and radiating fan blades (504), the transmission gear (502) meshed with the planetary gear (4) is rotationally connected to the radiating shell (501), the radiating fan blades (504) are connected to one end of a radiating shaft (505), and one end, far away from the radiating fan blades (504), of the radiating shaft (505) is sleeved with the driving gear (503) meshed with the transmission gear (502).

3. The planetary reducer cooling device according to claim 2, wherein: the side wall of the shell (1) is provided with a through hole (7), and the heat dissipation shell (501) is connected to the through hole (7) in a sealing way.

4. The planetary reducer cooling device according to claim 2, wherein: the heat dissipation shell (501) is located on one side, far away from the first ventilation piece (2), of the shell (1), and the transmission gear (502) is meshed with the planetary gear (4) far away from the first ventilation piece (2).

5. The planetary reducer cooling device according to claim 1, wherein: the first ventilation piece (2) is arranged on the oil filling hole (8) of the shell (1).

6. The planetary reducer cooling device according to claim 1, wherein: the first ventilation piece (2) and the second ventilation piece (6) have the same structure and are ventilation caps.

7. The planetary reducer cooling device according to claim 6, wherein: the ventilation cap comprises a valve body (601) and a valve cover (602) connected to the valve body (601), a ventilation pipe (603) is inserted into the valve body (601), a vent (604) is formed in the valve cover (602), and a filter is filled at one end, close to the vent (604), of the ventilation pipe (603).

8. The planetary reducer cooling device according to claim 7, wherein: the filter element is composed of a double-layer filter element (605) with different filter holes.