CN210799986U

CN210799986U - Speed reducer for mine

Info

Publication number: CN210799986U
Application number: CN201921862658.8U
Authority: CN
Inventors: 郭航
Original assignee: Jiangxi Intelligent Heavy Industry Machinery Co Ltd
Current assignee: Jiangxi Intelligent Heavy Industry Machinery Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-19
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a speed reducer is used in mine. This kind of speed reducer for mine includes protecting box, speed reducer body, motor, radiator fan, the speed reducer body is in the protecting box with the equal fixed connection of motor, radiator fan fixed connection is in the protecting box top, the speed reducer body includes speed reducer casing, drive gear, output gear, drive gear is connected with the output gear meshing, be provided with drive shaft mount pad and output shaft mount pad on the speed reducer casing. The utility model discloses a speed reducer is used in mine is provided with the protecting box, and the speed reducer body has obtained good protection with the motor is installed in the protecting box, avoids the speed reducer casing and the motor to receive the corruption of mineral, the utility model discloses a drive shaft mount pad passes through the sealing washer with the output shaft mount pad and seals with the dirt proof boot, can prevent effectively that output shaft and drive shaft from bringing the dust into the speed reducer casing at the during operation, avoids speed reducer body internals to receive the pollution and the corruption of dust, mineral etc.

Description

Speed reducer for mine

Technical Field

The utility model relates to a speed reducer technical field, concretely relates to speed reducer is used in mine.

Background

The application field of the speed reducer is very wide, such as the well-known automobile field, the electronic product industry, household electrical appliances and medical equipment, and also relates to the fields of metallurgy, nonferrous materials, coal, building materials, ships, water conservancy, electric power, engineering machinery, petrifaction and other industries. In a speed reducer for a hoisting device in a general metallurgical mine, a motor is often fixed with the speed reducer for use, if the speed reducer is not fixed stably, the speed reducer can generate vibration with certain frequency, so that the connection with the motor is not stable easily, the meshing degree of a gear set between the motor and the speed reducer is reduced, and the service life of the speed reducer is reduced.

For example, patent No. CN201820745433.3 discloses a spiral bevel gear reducer for a hoisting device of a metallurgical mine. Belong to speed reducer technical field, this speed reducer can stabilize the installation. The speed reducer comprises a speed reducer body, a driving motor and a speed reducer support; this body coupling of speed reducer is on driving motor, fixed connection one-level drive gear in driving motor's the drive shaft, one-level drive gear is connected with one-level drive gear, one-level drive gear is fixed on first transmission shaft, first transmission shaft front end is fixed with second drive gear, second drive gear is connected with second drive gear, second drive gear fixes on the second transmission shaft, the last three-level drive gear of fixing of second transmission shaft, three-level drive gear is connected with output gear, one-level drive gear is the helical gear, second drive gear and second drive gear are spiral bevel gear, three-level drive gear is the straight-teeth gear with output gear, speed reducer support.

The spiral bevel gear speed reducer of above-mentioned patent is speed reducer support fixed connection in speed reducer body bottom to realize the firm installation of speed reducer. Generally, the mine environment is severe, the casing of the speed reducer is also easily corroded in the environment, the service life of the speed reducer is shortened, dust or minerals are easily brought into the speed reducer by a power input shaft on the speed reducer, and internal parts of the speed reducer are polluted and corroded by the dust, the minerals and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the speed reducer is easy to corrode, the utility model provides a speed reducer for mine.

In order to achieve the above object, the utility model adopts the following technical scheme: a speed reducer for mines comprises a protective box, a speed reducer body, a motor and a cooling fan, wherein the speed reducer body and the motor are fixedly connected in the protective box, the cooling fan is fixedly connected to the top of the protective box, the speed reducer body comprises a speed reducer shell, a driving gear and an output gear, the driving gear and the output gear are rotatably connected in the speed reducer shell, the driving gear is meshed with the output gear, the driving gear comprises a driving shaft, the output gear comprises an output shaft, a driving shaft mounting seat and an output shaft mounting seat are arranged on the speed reducer shell, the driving shaft mounting seat comprises a first bearing, a first sealing ring and a first dustproof sleeve which are sequentially arranged from inside to outside, the driving shaft penetrates through the driving shaft mounting seat to be connected with the motor, and the first bearing, the first sealing ring and the first dustproof sleeve are all sleeved with the driving shaft, the output shaft mounting base comprises a second bearing, a second sealing ring and a second dustproof sleeve which are sequentially arranged from inside to outside, the output shaft penetrates through the output shaft mounting base, and the first bearing, the first sealing ring and the first dustproof sleeve are all sleeved with the driving shaft.

Furthermore, the first dustproof sleeve and the second dustproof sleeve are fixed on the side wall of the speed reducer shell through bolts.

Furthermore, the protective box comprises a box body and an upper cover, and the upper cover is detachably connected to the box body.

Furthermore, the side wall of the protective box is provided with a through hole for the output shaft to pass through.

Furthermore, a plurality of heat dissipation holes are formed in the side portion of the protection box.

Further, the surface of the protective box is provided with a corrosion-resistant layer.

Further, the corrosion-resistant layer is made of tetrafluoroethylene-propylene rubber.

Furthermore, the protective box is made of stainless steel materials.

Furthermore, a plurality of supporting legs are arranged at the bottom of the protective box.

Furthermore, the bottom of the supporting leg is detachably connected with a universal wheel.

It is right by the aforesaid the utility model discloses a description can know, compares with prior art, the utility model discloses a speed reducer is used in mine is provided with the protecting box, and the speed reducer body has obtained good protection with the motor is installed in the protecting box, avoids the speed reducer casing to receive the corruption of mineral with the motor, the utility model discloses a drive shaft mount pad passes through the sealing washer with the output shaft mount pad and seals with the dirt proof boot, can prevent effectively that output shaft and drive shaft from bringing the dust into the speed reducer casing at the during operation, avoids speed reducer body internals to receive the pollution and the corruption of dust, mineral etc. the protecting box top is provided with radiator fan, strengthens the radiating effect of protecting box to dispel the heat to motor and speed reducer body fast, prolong the life of speed reducer.

Drawings

Fig. 1 is a schematic front view of a mine speed reducer according to a first embodiment of the present invention;

fig. 2 is a schematic top view of a mine speed reducer according to a first embodiment of the present invention;

fig. 3 is a schematic top view of a speed reducer body according to a first embodiment of the present invention;

fig. 4 is a schematic front view of a mine speed reducer according to a second embodiment of the present invention;

reference numerals: 1. a protective box; 11. a box body; 12. an upper cover; 13. heat dissipation holes; 14. a corrosion-resistant layer; 15. supporting legs; 16. a universal wheel; 2. a speed reducer body; 21. a speed reducer housing; 211. a drive shaft mount; 2111. a first bearing; 2112. a first seal ring; 2113. a first dust cover; 212. an output shaft mounting base; 2121. a second bearing; 2122. a second seal ring; 2123. a second dust-proof sleeve; 22. a drive gear; 221. a drive shaft; 23. an output gear; 231. an output shaft; 3. a motor; 4. a heat dissipation fan.

Detailed Description

The technical solution 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-3, a speed reducer for mine comprises a protective box 1, a speed reducer body 2, a motor 3, and a heat dissipation fan 4, wherein the speed reducer body 2 and the motor 3 are both fixedly connected in the protective box 1, the heat dissipation fan 4 is fixedly connected to the top of the protective box 1, the speed reducer body 2 comprises a speed reducer housing 21, a driving gear 22, and an output gear 23, the driving gear 22 and the output gear 23 are rotatably connected in the speed reducer housing 21, the driving gear 22 is engaged with the output gear 23, the driving gear 22 comprises a driving shaft 221, the output gear 23 comprises an output shaft 231, the speed reducer housing 21 is provided with a driving shaft mounting seat 211 and an output shaft mounting seat 212, the driving shaft mounting seat 211 comprises a first bearing 2111, a first sealing ring 2112, and a first dust-proof sleeve 2113 which are sequentially arranged from inside to outside, the driving shaft 221 passes through the driving shaft mounting seat 211 to be connected with the motor 3, the first bearing 2111, the first sealing ring 2112 and the first dust-proof sleeve 2113 are all sleeved with the driving shaft 221, the output shaft mounting seat 212 comprises a second bearing 2121, a second sealing ring 2122 and a second dust-proof sleeve 2123 which are sequentially arranged from inside to outside, the output shaft 231 passes through the output shaft mounting seat 212, and the second bearing 2121, the second sealing ring 2122 and the second dust-proof sleeve 2123 are all sleeved with the output shaft 231.

The first dustproof sleeve 2113 and the second dustproof sleeve 2123 are fixed on the side wall of the speed reducer housing 21 through bolts, and the first dustproof sleeve 2113 and the second dustproof sleeve 2123 are fixed through bolts so as to fix the driving shaft mounting seat 211 and the output shaft mounting seat 212; the protective box 1 comprises a box body 11 and an upper cover 12, wherein the upper cover 12 is detachably connected to the box body 11, the upper cover 12 can be opened so as to clean and maintain the speed reducer body 2 or the motor 3, and the upper cover 12 can be installed on the box body 11 through bolts, but is not limited thereto; the side wall of the protective box 1 is provided with a through hole for the output shaft 231 to pass through, and the output shaft 231 passes through the end part of the through hole and is exposed outside the protective box 1 so as to be connected with a load; protection box 1 lateral part is provided with a plurality of louvres 13, through set up louvre 13 at protection box 1 lateral part, promotes protection box 1's radiating effect.

The corrosion-resistant layer 14 is arranged on the surface of the protective box 1, the corrosion-resistant layer 14 is made of tetrafluoroethylene-propylene rubber, the corrosion-resistant layer 14 is arranged on the surface of the protective box 1, the protective box 1 is prevented from being overlooked by minerals, and the corrosion-resistant layer 14 made of tetrafluoroethylene-propylene rubber has a good corrosion-resistant effect; the protective box 1 is made of stainless steel materials, and the protective box 1 made of the stainless steel materials is high in strength, not prone to rusting and long in service life; the bottom of the protective box 1 is provided with a plurality of supporting legs 15, and the protective box 1 is supported through the supporting legs 15.

The utility model discloses a speed reducer for mine is provided with protective housing 1, and speed reducer body 2 and motor 3 are installed and have obtained good protection in protective housing 1, avoid speed reducer housing 21 and motor 3 to receive the corruption of mineral, the utility model discloses a drive shaft mount pad 211 passes through the sealing washer with output shaft mount pad 212 and seals with the dirt proof boot, can prevent effectively that output shaft 231 and drive shaft 221 from bringing the dust into speed reducer housing 21 at the during operation, avoid 2 internals of speed reducer body to receive the dust, the pollution and the corruption of mineral etc., protective housing 1 top is provided with radiator fan 4, strengthens protective housing 1's radiating effect to dispel the heat to motor 3 and speed reducer body 2 fast, prolong the life of speed reducer.

The second embodiment is as follows:

referring to fig. 4, the present embodiment is different from the first embodiment in that: the bottom of the supporting leg 15 is detachably connected with a universal wheel 16, and the bottom of the supporting leg 15 is provided with the universal wheel 16, so that the whole speed reducer can be moved conveniently.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a speed reducer for mine which characterized in that: including protective housing, speed reducer body, motor, radiator fan, speed reducer body and the equal fixed connection of motor are in the protective housing, radiator fan fixed connection is at the protective housing top, the speed reducer body includes speed reducer casing, drive gear, output gear, drive gear rotationally connects in the speed reducer casing with output gear, drive gear is connected with output gear meshing, drive gear includes the drive shaft, output gear includes the output shaft, be provided with drive shaft mount pad and output shaft mount pad on the speed reducer casing, the drive shaft mount pad includes first bearing, first sealing washer, the first dirt proof boot that sets gradually from inside to outside, the drive shaft passes the drive shaft mount pad and is connected with the motor, first bearing, first sealing washer, first dirt proof boot all cup joint with the drive shaft, the output shaft mount pad includes the second bearing that sets gradually from inside to outside, The output shaft passes through the output shaft mounting seat, and the first bearing, the first sealing ring and the first dust-proof sleeve are all sleeved with the driving shaft.

2. The mine speed reducer according to claim 1, wherein: and the first dustproof sleeve and the second dustproof sleeve are fixed on the side wall of the speed reducer shell through bolts.

3. The mine speed reducer according to claim 1, wherein: the protective box comprises a box body and an upper cover, wherein the upper cover is detachably connected to the box body.

4. The mine speed reducer according to claim 1, wherein: the side wall of the protective box is provided with a through hole for the output shaft to pass through.

5. The mine speed reducer according to claim 1, wherein: the side part of the protective box is provided with a plurality of heat dissipation holes.

6. The mine speed reducer according to claim 1, wherein: the surface of the protective box is provided with a corrosion-resistant layer.

7. The mine speed reducer according to claim 6, wherein: the corrosion-resistant layer is made of tetrafluoroethylene-propylene rubber.

8. The mine speed reducer according to claim 1, wherein: the protective box is made of stainless steel materials.

9. The mine speed reducer according to claim 1, wherein: the bottom of the protective box is provided with a plurality of supporting legs.

10. The mining reducer according to claim 9, wherein: the bottom of the supporting foot is detachably connected with a universal wheel.