CN114157073A

CN114157073A - Noise-reduction type heat-dissipation explosion-proof motor

Info

Publication number: CN114157073A
Application number: CN202111056978.6A
Authority: CN
Inventors: 张江; 解淑芹
Original assignee: Rongcheng Yineng Motors Co ltd
Current assignee: Rongcheng Yineng Motors Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-08
Anticipated expiration: 2041-09-09
Also published as: CN114157073B

Abstract

The invention discloses a noise-reduction type heat-dissipation explosion-proof motor which comprises a motor shell and an installation base arranged at the bottom of the motor shell, wherein a stator winding is arranged inside the motor shell, the front end of the stator winding is connected with a first rotating shaft in a transmission manner, the rear end of the stator winding is connected with a second rotating shaft in a transmission manner, the rear end of the second rotating shaft is fixedly sleeved with a fan, a sound insulation plate is arranged at the rear end of the stator winding and is embedded in the inner wall of the motor shell, a plurality of heat conduction pipes are annularly arranged on the outer side of the sound insulation plate in a penetrating manner, and the plurality of heat conduction pipes are positioned at the front end of the sound insulation plate. According to the invention, firstly, the combined type shockproof noise reduction structure is adopted, so that the noise reduction effect of the explosion-proof motor is improved, the noise generation of the explosion-proof motor is reduced, and meanwhile, the partial noise reduction cost is reduced.

Description

Noise-reduction type heat-dissipation explosion-proof motor

Technical Field

The invention relates to the technical field of explosion-proof motors, in particular to a noise-reduction type heat-dissipation explosion-proof motor.

Background

The explosion-proof motor is a motor which can be used in flammable and explosive places, and does not generate electric sparks during operation. The explosion-proof motor is mainly used in coal mine, petroleum and natural gas, petrochemical industry and chemical industry. The explosion-proof motor is mainly used for providing safety protection for part of production, and the requirements of the explosion-proof motor are increased along with the development of production.

However, the existing processing device for the water supply and drainage pipeline of the building still has partial problems, firstly, when the existing explosion-proof motor is used, although a partial noise reduction structure is adopted, partial mechanical noise still exists, particularly, a transmission part is very easy to contact with a connected object to cause friction vibration and generate noise, the existing partial noise reduction structure is complex, a single sound insulation structure is adopted, the effect is low, the cost is increased, secondly, the heat dissipation problem is always the basic problem of the motor, the traditional structures such as water cooling and air cooling are frequently used, partial problems still exist, particularly, the single air cooling is easy to increase noise, the water cooling is easy to damage metal inside the motor, and the service life of the explosion-proof motor is shortened.

Disclosure of Invention

The invention aims to: the noise-reduction heat-dissipation explosion-proof motor aims at solving the problem that the noise-reduction heat-dissipation effect of the traditional explosion-proof motor is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a formula of making an uproar heat dissipation explosion-proof motor falls, includes motor housing and installs the installation frame in motor housing bottom, motor housing's inside is equipped with stator winding, and stator winding's front end transmission is connected with first pivot, stator winding's rear end transmission is connected with the second pivot, and the fixed fan that has cup jointed in rear end of second pivot, the acoustic celotex board is installed to stator winding's rear end, and the acoustic celotex board inlays to establish and installs the inner wall in motor housing, the outside annular of acoustic celotex board runs through installs a plurality of heat pipes, and a plurality of heat pipes are located the front end of acoustic celotex board, soundproof cotton cover is installed to motor housing's front end inner wall, motor housing's rear end inner wall inlays to establish and installs the baffle, and the outside of baffle all runs through with a plurality of heat pipe correspondence department and install trapezoidal breather pipe.

As a further description of the above technical solution:

the acoustic celotex board inlays with motor housing and establishes butt department and inlays and be equipped with the elasticity plug, and is a plurality of the rear end inner wall of trapezoidal breather pipe all inlays to establish and installs the filter screen.

As a further description of the above technical solution:

a sealed rear cover is installed at the rear end of the motor shell, and a sealed front cover is installed at the front end of the motor shell.

As a further description of the above technical solution:

the middle of the sealed rear cover is provided with a dustproof net which is positioned at the rear end of the partition plate.

As a further description of the above technical solution:

the rear end of the sealing front cover and the front end of the motor shell are mutually embedded with abutting parts, and sealing plugs are embedded in the abutting parts.

As a further description of the above technical solution:

the middle of the sealed front cover is provided with a first shaft sleeve, the front end of the first rotating shaft is fixedly connected with a rotor, and the outer side of the first rotating shaft is sleeved with a second shaft sleeve.

As a further description of the above technical solution:

and a protective rubber sleeve is embedded between the sealed front cover and the first shaft sleeve and penetrates through the outer side of the front end of the rotor.

As a further description of the above technical solution:

the four corners department of installation frame has all run through and has seted up the mounting hole, main control machine case is installed on the top of motor casing.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the combined type vibration and noise reduction structure is adopted, when the combined type vibration and noise reduction structure is used, the sound insulation plate mainly isolates the fan and the stator winding, so that noise is wholly oscillated in the front part of the interior of the motor shell, sound is gradually absorbed and weakened through the soundproof cotton cover, meanwhile, the protective rubber sleeve is made of silica gel, is elastic and wear-resistant, and when the stator winding operates to enable the first rotating shaft to rotate and drive the rotor to rotate, the protective rubber sleeve also plays a role in rotor vibration and vibration resistance protection, so that noise is reduced, the overall noise reduction is simple in arrangement, the cost is lower, and due to the comprehensive arrangement of the structure, the noise reduction effect of the explosion-proof motor is improved, the noise generation of the explosion-proof motor is reduced, and meanwhile, the partial noise reduction cost is reduced.

2. According to the invention, a sealed air-cooling heat dissipation structure is adopted, when the structure is used, the left end of the heat conduction pipe is sealed, the right end of the heat conduction pipe is arranged, when the motor operates, the heat conduction pipe can absorb heat into the heat concentration pipe, the stator winding also operates to enable the second rotating shaft to rotate and drive the fan to operate, the fan rotates to continuously pump external air flow into the plurality of heat conduction pipes through the dust screen and the plurality of trapezoidal vent pipes, the external air flow continuously flows into the heat reduction heat conduction pipes to reduce the heat of the heat conduction pipes, so that the circulation is realized, the effect of cooling and heat dissipation is achieved, partial noise is generated when the air flow enters the heat conduction pipes, and partial noise reduction is performed through the soundproof cotton cover.

Drawings

FIG. 1 illustrates a perspective view provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional top view provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a perspective cross-sectional side view provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a front perspective cross-sectional view provided in accordance with an embodiment of the present invention;

FIG. 5 illustrates a partial perspective view provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a motor housing; 2. installing a base; 3. a rotor; 4. sealing the front cover; 5. sealing the rear cover; 6. mounting holes; 7. a main control cabinet; 8. a dust screen; 9. a stator winding; 10. a sound insulating board; 11. a fan; 12. a partition plate; 13. a trapezoidal vent pipe; 14. filtering with a screen; 15. a soundproof cotton cover; 16. a heat conducting pipe; 17. a sealing plug; 18. a first bushing; 19. a protective rubber sleeve; 20. a second shaft sleeve; 21. an elastic rubber plug; 22. a second rotating shaft; 23. a first rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: a noise reduction type heat dissipation explosion-proof motor comprises a motor shell 1 and an installation base 2 installed at the bottom of the motor shell 1, wherein a stator winding 9 is arranged inside the motor shell 1, the front end of the stator winding 9 is connected with a first rotating shaft 23 in a transmission manner, the rear end of the stator winding 9 is connected with a second rotating shaft 22 in a transmission manner, the rear end of the second rotating shaft 22 is fixedly sleeved with a fan 11, a sound insulation plate 10 is installed at the rear end of the stator winding 9, the sound insulation plate 10 is embedded and installed on the inner wall of the motor shell 1, a plurality of heat conduction pipes 16 are annularly and penetratingly installed on the outer side of the sound insulation plate 10, the plurality of heat conduction pipes 16 are located at the front end of the sound insulation plate 10, a sound insulation cotton cover 15 is installed on the inner wall of the front end of the motor shell 1, a partition plate 12 is embedded and installed on the inner wall of the rear end of the motor shell 1, trapezoidal vent pipes 13 are respectively installed at the positions, corresponding to the outer side of the partition plate 12 and the plurality of the heat conduction pipes 16, an elastic rubber plug 21 is embedded and installed on the sound insulation plate 10 and the motor shell 1, elastic rubber stopper 21 mainly prevents that acoustic celotex board 10 from causing the harm to motor housing 1, and is convenient for dismantle acoustic celotex board 10 through its elastic action extrusion, and the rear end inner wall of a plurality of trapezoidal breather pipes 13 all inlays to establish and installs filter screen 14, and filter screen 14 also plays dustproof effect, increases the protectiveness, reduces stained to explosion-proof machine inside.

Specifically, as shown in fig. 1-3 and 5, a sealing rear cover 5 is installed at the rear end of the motor housing 1, a sealing front cover 4 is installed at the front end of the motor housing 1, a dust screen 8 is installed in the middle of the sealing rear cover 5, the dust screen 8 mainly plays a part of dust prevention effect, external air flow is reduced to enter the interior of the explosion-proof motor, the dust screen 8 is located at the rear end of the partition plate 12, the rear end of the sealing front cover 4 and the front end of the motor housing 1 are mutually embedded with a butt joint portion, a sealing plug 17 is embedded in the butt joint portion, a first shaft sleeve 18 is installed in the middle of the sealing front cover 4, a rotor 3 is fixedly connected to the front end of a first rotating shaft 23, a second shaft sleeve 20 is sleeved on the outer side of the first rotating shaft 23, and a protective rubber sleeve 19 is embedded between the sealing front cover 4 and the first shaft sleeve 18 on the outer side of the front end of the rotor 3.

Specifically, as shown in fig. 2 and 3, the four corners of the mounting base 2 are all penetrated and provided with mounting holes 6, the mounting holes 6 are mainly used for mounting the whole explosion-proof motor, the top end of the motor casing 1 is provided with a main control case 7, and a main control mechanism is arranged inside the main control case 7 and is a main control mechanism.

The working principle is as follows: when in use, firstly, in order to improve the noise reduction effect and reduce the generation of noise, when in use, the sound insulation board 10 mainly isolates the fan 11 and the stator winding 9, so that the noise is wholly oscillated in the front part of the interior of the motor shell 1, and gradually absorbs and weakens the sound through the soundproof cotton cover 15, meanwhile, the protective rubber sleeve 19 is made of silica gel, the material has elasticity and wear resistance, when the stator winding 9 operates to rotate the first rotating shaft 23 and drive the rotor 3 to rotate, the protective rubber sleeve 19 also plays a role of shock resistance protection for the rotor 3, the formation of noise is reduced, the whole noise reduction setting is simple, the cost is lower, secondly, in order to play a role of heat dissipation and reduce the damage to the interior of the motor, when in use, the left end of the heat conduction pipe 16 is sealed and the right end is arranged, when the motor operates, the heat conduction pipe 16 can absorb and concentrate the heat in the pipe, and the stator winding 9 also enables the second rotating shaft 22 to rotate and drive the operation of the fan 11, fan 11 rotates and constantly passes through dust screen 8 and in a plurality of trapezoidal breather pipe 13 pumps a plurality of heat pipes 16 with outside air current again, outside air current constantly flows in and reduces heat pipe 16 heat to this circulation plays the radiating effect of cooling, and the air current gets into heat pipe 16 and produces partial noise, and rethread soundproof cotton cover 15 carries out the part and falls the noise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a formula of making an uproar explosion-proof motor falls, includes motor casing (1) and installs installation frame (2) in motor casing (1) bottom, its characterized in that, the inside of motor casing (1) is equipped with stator winding (9), and the front end transmission of stator winding (9) is connected with first pivot (23), the rear end transmission of stator winding (9) is connected with second pivot (22), and the rear end of second pivot (22) is fixed to be cup jointed fan (11), acoustic celotex board (10) are installed to the rear end of stator winding (9), and acoustic celotex board (10) inlay to establish and install the inner wall in motor casing (1), the outside annular of acoustic celotex board (10) is run through and is installed a plurality of heat pipe (16), and a plurality of heat pipe (16) are located the front end of acoustic celotex board (10), soundproof cotton cover (15) are installed to the front end inner wall of motor casing (1), the rear end inner wall of motor casing (1) inlays to establish and installs baffle (12), and the outside of baffle (12) all runs through with a plurality of heat pipe (16) correspondence department and installs trapezoidal breather pipe (13).

2. The noise-reduction heat-dissipation explosion-proof motor according to claim 1, wherein an elastic rubber plug (21) is embedded at the embedded and abutted part of the sound-insulating plate (10) and the motor casing (1), and a filter screen (14) is embedded and installed on the inner wall of the rear end of each of the trapezoidal vent pipes (13).

3. The noise-reduction heat-dissipation explosion-proof motor as claimed in claim 1, wherein a sealed rear cover (5) is installed at the rear end of the motor casing (1), and a sealed front cover (4) is installed at the front end of the motor casing (1).

4. A noise-reducing heat-dissipating explosion-proof motor according to claim 3, wherein a dust screen (8) is installed in the middle of the sealed rear cover (5), and the dust screen (8) is located at the rear end of the partition plate (12).

5. A noise-reducing heat-dissipating explosion-proof motor according to claim 3, wherein sealing plugs (17) are embedded at the positions where the rear end of the sealing front cover (4) and the front end of the motor casing (1) are embedded and abutted with each other.

6. The noise-reduction heat-dissipation explosion-proof motor according to claim 5, wherein a first shaft sleeve (18) is installed in the middle of the sealing front cover (4), the rotor (3) is fixedly connected to the front end of the first rotating shaft (23), and a second shaft sleeve (20) is sleeved on the outer side of the first rotating shaft (23).

7. A noise-reduction heat-dissipation explosion-proof motor according to claim 6, wherein a protective rubber sleeve (19) is embedded between the sealed front cover (4) and the first shaft sleeve (18) outside the front end of the rotor (3).

8. The noise-reduction heat-dissipation explosion-proof motor as claimed in claim 7, wherein mounting holes (6) are formed at four corners of the mounting base (2), and a main control cabinet (7) is mounted at the top end of the motor casing (1).