CN219317579U

CN219317579U - Cooling device for crushing speed reducer of coal mining machine

Info

Publication number: CN219317579U
Application number: CN202320621354.2U
Authority: CN
Inventors: 雷丙涛; 吴彦
Original assignee: SHANGHAI CHUANGLI GROUP CO LTD
Current assignee: SHANGHAI CHUANGLI GROUP CO LTD
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-07
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a cooling device for a crushing reducer of a coal mining machine, which comprises an elbow, a connector seat, a motor cylinder and a sealing block, wherein the motor cylinder is arranged at the outer side of a motor of the reducer, a water channel is arranged on the cylinder wall of the motor cylinder, the motor cylinder is provided with a water inlet and a water outlet, the connector seat is arranged on the water inlet, the elbow is communicated with the water channel through the connector seat, an annular gear is arranged at one side of the motor cylinder, the water channel passes through the annular gear, the sealing block is arranged at the joint of the annular gear and the motor cylinder, and the water channel passes through the sealing block.

Description

Cooling device for crushing speed reducer of coal mining machine

Technical Field

The utility model relates to the field of coal mining machines, in particular to a cooling device for a crushing speed reducer of a coal mining machine.

Background

The planetary mechanism of the coal mining machine is an important component part in a transmission system of the coal mining machine, can provide a large transmission ratio and has a compact structure. At present, a planetary mechanism reducer of a domestic coal mining machine crusher is generally driven by a single-stage planetary mechanism, the rotating speed of a crushing motor is generally about 1400r/min, the output rotating speed of a roller is generally about 160r/min, the output rotating speed is higher, and the heat productivity of a framework oil seal at the output end of the reducer is larger under the working condition of higher rotating speed.

Because of the space size limitation matched with the three machines of the existing high-power coal mining machine, the structure of a transmission system is ensured to be reliable, the high strength of gears is required, the requirements of space limitation are also met, and the cooling device of the speed reducer is not considered in the planetary mechanism speed reducer of the crusher.

Disclosure of Invention

The utility model aims to provide a cooling device for a crushing reducer of a coal mining machine, which reduces the oil temperature of the reducer of a planetary mechanism of the crusher and the temperature of a framework oil seal at the output end of the crushing reducer, so that the stability and the service life of the reducer of the crushing planetary mechanism of the coal mining machine are improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model discloses a cooling device of a crushing speed reducer of a coal mining machine, which comprises an elbow, a connector seat, a motor cylinder and a sealing block, wherein the motor cylinder is arranged at the outer side of a motor of the speed reducer, a water channel is arranged on the cylinder wall of the motor cylinder, the motor cylinder is provided with a water inlet and a water outlet, the connector seat is arranged on the water inlet, the elbow is communicated with the water channel through the connector seat, an annular gear is arranged at one side of the motor cylinder, the water channel passes through the annular gear, the sealing block is arranged at the joint of the annular gear and the motor cylinder, and the water channel passes through the sealing block.

Further, a bearing seat is arranged on the other side of the inner gear ring, a sealing block is arranged at the joint of the inner gear ring and the bearing seat, a water channel penetrates through the sealing block, and an O-shaped sealing ring is arranged on the sealing block.

Furthermore, one end of the bearing pedestal is provided with a water jacket, 2 first sealing blocks are arranged between the bearing pedestal and the water jacket, and O-shaped sealing rings are arranged on the first sealing blocks.

Further, two O-shaped sealing rings are arranged on the sealing seat and are respectively sealed with the matching surfaces between the water jacket and the bearing seat; the water jacket is provided with a water discharge groove.

Furthermore, the end surfaces of the sealing seat and the water jacket are provided with O-shaped sealing rings I.

Further, a cooling water channel A is arranged on the motor cylinder and is perpendicular to the water channel, one end of the cooling water channel A penetrates through the motor cylinder, a plug is arranged at the tail end of the cooling water channel A, the water channel is flush with an output shaft of the motor, the cooling water channel A is perpendicular to the output shaft of the motor, and a water channel cover plate is arranged at the cooling water channel A.

Further, a cooling water channel B is arranged on the water jacket, the cooling water channel B is communicated with the water channel, and the water discharge channel is communicated with the cold water channel B.

The beneficial effects of the utility model are as follows:

according to the utility model, cooling water is fed through the water inlet of the wall of the motor cylinder, and passes through the water jacket of the motor cylinder, so that the oil temperature of the planetary mechanism reducer is reduced; meanwhile, cooling water enters the cooling water jacket B at the output end through the processed water channel, so that the temperature of the skeleton oil seal at the output end is reduced, the oil temperature at the output end is reduced, the working temperature of the reducer is effectively controlled by the whole cooling device, and the reducer of the planetary mechanism of the crusher is protected.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

Fig. 2 is a cross-sectional view A-A of fig. 1.

Fig. 3 is a partial schematic view of fig. 2.

Fig. 4 is a partial schematic view of fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

As shown in the figure, the utility model provides a cooling device for a crushing speed reducer of a coal mining machine, which comprises an elbow 5, a joint seat 4, a motor cylinder 1 and a sealing block 7, wherein the motor cylinder 1 is arranged at the outer side of a motor 16 of the speed reducer, a water channel 3 is arranged on the cylinder wall of the motor cylinder 1, a water inlet C and a water outlet D are arranged on the motor cylinder 1, the joint seat 4 is arranged on the water inlet C, the elbow 5 is communicated with the water channel 3 through the joint seat 4, an annular gear 8 is arranged at one side of the motor cylinder 1, the water channel 3 passes through the annular gear 8, the sealing block 7 is arranged at the joint of the annular gear 8 and the motor cylinder 1, and the water channel 3 passes through the sealing block 7.

In an embodiment of the utility model, a bearing seat 9 is arranged on the other side of the inner gear ring 8, a sealing block 7 is arranged at the joint of the inner gear ring 8 and the bearing seat 9, the water channel 3 passes through the sealing block 7, and an O-shaped sealing ring is arranged on the sealing block 7. The sealing block 7 and the O-shaped sealing ring 10 play a role in sealing cooling water.

In an embodiment of the utility model, a water jacket 12 is arranged at one end of the

bearing seat

9, 2 sealing blocks I11 are arranged between the bearing seat 9 and the water jacket 12, and an O-shaped sealing ring 10 is arranged on the sealing block I11.

In one embodiment of the utility model, two O-shaped sealing rings are arranged on the sealing seat 14 and respectively seal with the matching surfaces between the water jacket 12 and the bearing seat 9; the water jacket 12 is provided with a water discharge groove. The water discharging groove is used for discharging cooling water, and the cooling water flows out from the water outlet D to complete circulation.

In one embodiment of the utility model, the sealing seat 14 and the end face of the water jacket 12 are provided with an O-ring 13.

In an embodiment of the utility model, a cooling water channel A17 is arranged on the motor cylinder 1, the cooling water channel A17 is perpendicular to the water channel 3, the cooling water channel A17 is communicated with the water channel 3, one end of the cooling water channel A17 penetrates through the motor cylinder 1, a plug 2 is arranged at the tail end of the cooling water channel A17, the water channel 3 is flush with an output shaft of the motor 16, the cooling water channel A17 is perpendicular to the output shaft of the motor 16, and a water channel cover plate 6 is arranged at the cooling water channel A17. The plug 2 plugs the processing technology hole. Cooling water channel a17 reduces the temperature of the motor barrel.

In one embodiment of the utility model, the water jacket 3 is provided with a cooling water channel B18, the cooling water channel B18 is communicated with the water channel 3, and the water discharge channel is communicated with the cold water channel B18. Cooling water passes through a water jacket of the motor barrel to reduce the oil temperature of the planetary mechanism reducer; meanwhile, cooling water enters the cooling water jacket B at the output end through the processed water channel, so that the temperature of the framework oil seal at the output end is reduced, the oil temperature at the output end is reduced, and the working temperature of the speed reducer is effectively controlled by the whole cooling device.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a broken reduction gear cooling device of coal-winning machine, its characterized in that includes elbow, joint seat, motor barrel and sealing block, and the motor outside of reduction gear is the motor barrel, and the section of thick bamboo wall of motor barrel is equipped with the water course, and the motor barrel is equipped with water inlet and delivery port, is equipped with the joint seat on the water inlet, and the elbow passes through joint seat and water course intercommunication, and one side of motor barrel is equipped with the ring gear, and the water course passes the ring gear, and the junction of ring gear and motor barrel is equipped with sealing block, and the water course passes sealing block.

2. The cooling device of the crushing speed reducer of the coal mining machine according to claim 1, wherein a bearing seat is arranged on the other side of the annular gear, a sealing block is arranged at the joint of the annular gear and the bearing seat, a water channel penetrates through the sealing block, and an O-shaped sealing ring is arranged on the sealing block.

3. The cooling device of the crushing speed reducer of the coal mining machine according to claim 2, wherein a water jacket is arranged at one end of the bearing seat, 2 sealing blocks I are arranged between the bearing seat and the water jacket, and O-shaped sealing rings are arranged on the sealing blocks I.

4. The cooling device of the crushing speed reducer of the coal mining machine according to claim 3, wherein two O-shaped sealing rings are arranged on the sealing seat and are respectively sealed with the matching surfaces between the water jacket and the bearing seat; the water jacket is provided with a water discharge groove.

5. The cooling device for the crushing reducer of the coal mining machine according to claim 4, wherein the sealing seat and the end face of the water jacket are provided with O-shaped sealing rings I.

6. The cooling device of the crushing speed reducer of the coal mining machine according to claim 1, wherein a cooling water channel A is arranged on the machine barrel, the cooling water channel A is perpendicular to the water channel, the cooling water channel A is communicated with the water channel, one end of the cooling water channel A penetrates through the machine barrel, a plug is arranged at the tail end of the cooling water channel A, the water channel is flush with an output shaft of the motor, the cooling water channel A is perpendicular to the output shaft of the motor, and a water channel cover plate is arranged at the cooling water channel A.

7. The cooling device of the crushing speed reducer of the coal mining machine according to claim 5, wherein the water jacket is provided with a cooling water channel B, the cooling water channel B is communicated with the water channel, and the water discharge channel is communicated with the cold water channel B.