CN218563889U

CN218563889U - Screw compressor with good silencing effect

Info

Publication number: CN218563889U
Application number: CN202222672429.8U
Authority: CN
Inventors: 何建人
Original assignee: WUXI WOYO SUPERDO COMPRESSOR CO Ltd
Current assignee: WUXI WOYO SUPERDO COMPRESSOR CO Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-03
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the field of screw compressors, in particular to a screw compressor with good noise reduction effect, which comprises a screw compressor shell, a female screw and a male screw which are arranged inside the screw compressor, and an air inlet pipe and an exhaust pipe which are respectively connected with the screw compressor shell, wherein one side of the screw compressor shell is provided with a driving structure, and four corners of the outer wall at the bottom of the screw compressor shell are provided with supporting legs; the driving structure comprises a driving cover, a transmission shaft rotatably connected to the inner wall of the top of the driving cover, and an inlet pipe and an outlet pipe connected to one end of the driving cover. The utility model discloses a drive shaft, transmission shaft and driving motor realize that first worm wheel of cooperation, second worm wheel, worm and second worm carry out the transmission and reduce driving motor's starting resistance, reduce the rotational speed and improve the moment of torsion, are convenient for drive, are convenient for reduce the noise that driving motor produced, and first sound cotton and the second of inhaling is inhaled the sound cotton and is absorbed the noise that driving motor produced, noise reduction.

Description

Screw compressor with good silencing effect

Technical Field

The utility model relates to a screw compressor technical field, in particular to screw compressor that noise cancelling effect is good.

Background

The screw compressor is composed of a pair of parallel, intermeshing female and male screws, and is one of the most widely used rotary compressors. The screw compressor is divided into a single screw and a double screw, and the prior screw compressor has the following defects:

1. the place which is easy to generate noise in the operation process of the screw compressor is a motor part, and the longer the motor is used, the higher the probability of generating noise is;

2. and the noise of motor when just beginning to start is the biggest, and great noise causes the influence to the personnel of environment easily, and the noise can make personnel's mood suppress, reduces efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists with not enough above-mentioned, the load of the driving motor when providing the screw compressor that the noise cancelling effect is good and realizing the first worm wheel of cooperation, second worm wheel, worm and second worm reduction drive through drive shaft, transmission shaft and driving motor, and the too big great noise that produces of load when the driving motor starts has been solved to the first sound absorption cotton of cooperation, has solved the noise transmission volume, reduces the influence to personnel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the screw compressor with good noise reduction effect comprises a screw compressor shell, a female screw and a male screw which are arranged in the screw compressor, and an air inlet pipe and an air outlet pipe which are respectively connected to the screw compressor shell, wherein a driving structure is arranged on one side of the screw compressor shell, and supporting legs are arranged at four corners of the outer wall of the bottom of the screw compressor shell; the driving structure comprises a driving cover, a transmission shaft rotationally connected to the inner wall of the top of the driving cover, an inlet pipe and a discharge pipe connected to one end of the driving cover, a support frame arranged at the center of the inner wall of the bottom of the driving cover, a driving shaft rotationally connected to the center of the support frame and a bevel gear sleeved on the outer wall of the end, close to each other, of the driving shaft and the transmission shaft;

dust screens are mounted at one ends of the inner walls of the inlet pipe and the discharge pipe, silencing plates are welded on the inner walls of the inlet pipe and the discharge pipe in a staggered mode, first sound absorption cotton is bonded on one sides, close to the interior of the driving cover, of the silencing plates, and filter screens are mounted on the inner walls of the other ends of the inlet pipe and the discharge pipe;

and the inner wall of one end of the inlet pipe is provided with a ventilation fan, and the inner wall of the driving cover is bonded with second sound-absorbing cotton.

Preferably, the male screw and the female screw are located one end inside the driving cover and are sleeved with a first worm wheel, the outer wall of the transmission shaft is located at the first worm wheel and is welded with a worm, the worm is meshed with the first worm wheel, and the bevel gears are meshed with each other.

Preferably, a driving motor is installed on the inner wall of the bottom of the driving cover, an output shaft of the driving motor is connected with a second worm, a second worm wheel is sleeved on the outer wall of the driving shaft, and the second worm wheel is meshed with the second worm.

Preferably, the ventilation fan and the driving motor are connected with a switch through a lead, and the switch is connected with a power supply through a lead.

The beneficial effects of the utility model are that:

1. realize through drive shaft, transmission shaft and driving motor that the first worm wheel of cooperation, second worm wheel, worm and second worm carry out the transmission and reduce driving motor's starting resistance, reduce the rotational speed and improve the moment of torsion, the drive of being convenient for is convenient for reduce the noise that driving motor produced, and the first sound cotton and the second of inhaling is inhaled the noise that the sound cotton produced driving motor and is absorbed, noise reduction.

Drawings

Fig. 1 is a schematic view of the overall structure of the screw compressor with good noise reduction effect provided by the present invention;

fig. 2 is a schematic view of an internal structure of the screw compressor with a good noise reduction effect according to the present invention;

fig. 3 is a schematic view of a front view structure of the screw compressor with good noise reduction effect provided by the present invention;

fig. 4 is the schematic cross-sectional structure of the inlet pipe and the discharge pipe of the screw compressor with good noise reduction effect.

In the figure: the air compressor comprises a 1 screw compressor shell, a 2 female screw, a 3 male screw, a 4 air inlet pipe, 5 supporting legs, 6 driving structures, 7 driving covers, 8 inlet pipes, 9 discharge pipes, 10 transmission shafts, 11 worms, 12 first worm wheels, 13 supporting frames, 14 driving shafts, 15 bevel gears, 16 driving motors, 17 second worm wheels, 18 dustproof nets, 19 sound absorption boards, 20 first sound absorption cotton, 21 ventilating fans, 22 filter nets and 23 second sound absorption cotton.

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.

Example 1:

referring to fig. 1-4, the screw compressor with good noise reduction effect comprises a screw compressor shell 1, a female screw 2 and a male screw 3 which are arranged inside the screw compressor, and an air inlet pipe 4 and an exhaust pipe which are respectively connected to the screw compressor shell 1, wherein a driving structure 6 is arranged on one side of the screw compressor shell 1, supporting legs 5 are arranged at four corners of the outer wall of the bottom of the screw compressor shell 1, and the driving shaft 14, the driving shaft 10 and the driving motor 16 are matched with a first worm wheel 12, a second worm wheel 17, a worm 11 and a second worm for transmission, so that the starting resistance of the driving motor 16 is reduced, the rotating speed is reduced, the torque is improved, the driving is facilitated, the noise generated by the driving motor 16 is reduced, and the noise generated by the driving motor 16 is absorbed by the first sound absorption cotton 20 and the second sound absorption cotton 23, so that the noise is reduced;

a first worm wheel 12 is sleeved at one end of the male screw 3 and the female screw 2, which are positioned inside the driving cover 7, a worm 11 is welded at the position, which is positioned on the first worm wheel 12, of the outer wall of the transmission shaft 10, the worm 11 is meshed with the first worm wheel 12, and bevel gears 15 are meshed with each other, so that the first worm wheel 12 is meshed with the worm 11, and the driving of a driving motor 16 is facilitated;

the driving structure 6 comprises a driving cover 7, a transmission shaft 10 rotationally connected to the inner wall of the top of the driving cover 7, an inlet pipe 8 and an outlet pipe 9 connected to one end of the driving cover 7, a support frame 13 arranged at the center of the inner wall of the bottom of the driving cover 7, a driving shaft 14 rotationally connected to the center of the support frame 13, and a bevel gear 15 sleeved on the outer wall of the end, close to each other, of the driving shaft 14 and the transmission shaft 10;

the inner wall of the bottom of the driving cover 7 is provided with a driving motor 16, the output shaft of the driving motor 16 is connected with a second worm, the outer wall of the driving shaft 14 is sleeved with a second worm wheel 17, the second worm wheel 17 is meshed with the second worm, the driving motor 16 is driven by the driving shaft 14 and the transmission shaft 10, the resistance of the driving motor 16 in the beginning of operation is reduced, and the noise generation amount in the starting process is reduced;

dust screens 18 are mounted at one ends of the inner walls of the inlet pipe 8 and the discharge pipe 9, silencing plates 19 are welded on the inner walls of the inlet pipe 8 and the discharge pipe 9 in a staggered mode, first sound absorption cotton 20 is bonded on one side, close to the interior of the driving cover 7, of each silencing plate 19, a filter screen 22 is mounted on the inner walls of the other ends of the inlet pipe 8 and the discharge pipe 9, and the filter screens 22 intercept impurities in gas entering the interior of the driving cover 7;

the inner wall of one end of the inlet pipe 8 is provided with a ventilation fan 21, the inner wall of the driving cover 7 is bonded with second sound-absorbing cotton 23, and the first sound-absorbing cotton 20, the sound-absorbing plate 19 and the second sound-absorbing cotton 23 absorb noise generated by the driving motor 16, so that the noise transmission amount is reduced;

the ventilation fan 21 and the driving motor 16 are connected with a switch through wires, and the switch is connected with a power supply through wires.

The working principle is as follows: when the air exhaust fan is used, the driving motor 16 is started to drive the driving shaft 14 to rotate through the second worm and the second worm wheel 17, the driving shaft 14 drives the transmission shaft 10 to rotate through the bevel gear 15, the worm 11 on the transmission shaft 10 drives the female screw 2 and the first worm wheel 12 on the male screw 3 to rotate, further, the driving motor 16 drives the female screw 2 and the male screw 3 to rotate, the ventilating fan 21 in the inlet pipe 8 is started to extract external air to enter the driving cover 7, hot air generated by the driving motor 16 is exhausted from the exhaust pipe 9, noise generated when the driving motor 16 operates is absorbed by the second sound absorption cotton 23, part of the noise enters the inlet pipe 8 and the exhaust pipe 9, the sound absorption plate 19 in the inlet pipe 8 and the exhaust pipe 9 is matched with the first sound absorption cotton 20 to absorb residual noise, and the noise generated by the driving motor 16 is reduced.

Exemplary embodiments of the present invention have been described in detail herein with reference to the examples, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific examples described above, and various combinations of features and structures presented in the present invention may be made without departing from the concept of the present invention, the scope of which is defined by the appended claims. The foregoing description of specific exemplary embodiments of the invention is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The screw compressor with a good noise reduction effect comprises a screw compressor shell (1), a female screw (2) and a male screw (3) which are arranged inside the screw compressor, and an air inlet pipe (4) and an exhaust pipe which are respectively connected to the screw compressor shell (1), and is characterized in that a driving structure (6) is installed on one side of the screw compressor shell (1), and supporting legs (5) are installed at four corners of the outer wall of the bottom of the screw compressor shell (1);

the driving structure (6) comprises a driving cover (7), a transmission shaft (10) rotatably connected to the inner wall of the top of the driving cover (7), an inlet pipe (8) and an outlet pipe (9) connected to one end of the driving cover (7), a support frame (13) arranged at the center of the inner wall of the bottom of the driving cover (7), a driving shaft (14) rotatably connected to the center of the support frame (13), and a bevel gear (15) sleeved on the outer wall of the end, close to each other, of the driving shaft (14) and the transmission shaft (10);

dust screens (18) are mounted at one ends of the inner walls of the inlet pipe (8) and the discharge pipe (9), silencing plates (19) are welded on the inner walls of the inlet pipe (8) and the discharge pipe (9) in a staggered mode, first sound absorption cotton (20) are bonded on one sides, close to the interior of the driving cover (7), of the silencing plates (19), and filter screens (22) are mounted on the inner walls of the other ends of the inlet pipe (8) and the discharge pipe (9);

and a ventilation fan (21) is installed on the inner wall of one end of the inlet pipe (8), and second sound-absorbing cotton (23) is bonded on the inner wall of the driving cover (7).

2. The screw compressor with the good noise reduction effect according to claim 1, wherein the male screw (3) and the female screw (2) are positioned inside the driving cover (7), one end of the driving cover is sleeved with a first worm wheel (12), the outer wall of the transmission shaft (10) is positioned at the first worm wheel (12), a worm (11) is welded on the outer wall of the transmission shaft, the worm (11) is meshed with the first worm wheel (12), and the bevel gears (15) are meshed with each other.

3. The screw compressor with the good noise reduction effect according to claim 1, wherein a driving motor (16) is installed on the inner wall of the bottom of the driving cover (7), a second worm is connected to an output shaft of the driving motor (16), a second worm wheel (17) is sleeved on the outer wall of the driving shaft (14), and the second worm wheel (17) is meshed with the second worm.

4. The screw compressor with good silencing effect according to claim 1, wherein the ventilation fan (21) and the driving motor (16) are connected with a switch through a wire, and the switch is connected with a power supply through a wire.