CN215762243U

CN215762243U - Screw compressor

Info

Publication number: CN215762243U
Application number: CN202121583465.6U
Authority: CN
Inventors: 卓峰磊; 袁召明; 张炯焱
Original assignee: Ningbo Baosi Energy Equipment Co Ltd
Current assignee: Ningbo Baosi Energy Equipment Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-08
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a screw compressor, includes motor element and compressor host computer, its characterized in that: the motor assembly comprises a motor belt pulley arranged on an output shaft of the motor, the compressor host comprises a host belt pulley arranged on a driving shaft, and the motor belt pulley is connected with the host belt pulley through a transmission belt. The screw compressor meets the requirement of changing the required air quantity on the basis of not increasing the cost excessively.

Description

Screw compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to a screw compressor.

Background

The screw compressor has a series of advantages of high reliability, long service life, fewer easily-damaged parts, convenience in maintenance, low noise vibration, stable exhaust and the like, thereby being widely applied.

However, the screw compressors used in the market have the following technical problems: the motor assembly and the compressor main machine adopt a direct connection structure, when the required air quantity needs to be changed, although the design of the compressor main machine can reach the required air quantity, the selected standard motor assembly can not change the rotating speed due to cost, so that the requirement of changing the required air quantity can not be met; the other method is to change a common motor into a synchronous motor, and although the requirement of changing the required air volume can be met after the change, the control system needs to be changed, so that the cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a screw compressor is provided which can meet the requirement of changing the required air quantity without increasing the cost excessively.

The technical solution of the utility model is as follows: the utility model provides a screw compressor, includes motor element and compressor host computer, its characterized in that: the motor assembly comprises a motor belt pulley arranged on an output shaft of the motor, the compressor host comprises a host belt pulley arranged on a driving shaft, and the motor belt pulley is connected with the host belt pulley through a transmission belt.

After adopting the structure, the utility model has the following advantages:

the screw compressor adopts a belt type transmission mode, the motor belt pulley is driven by the motor output shaft, and then the motor belt pulley drives the driving shaft of the compressor main machine through the transmission belt, so that the structure that a motor assembly is directly connected with the compressor main machine in the traditional compressor is replaced, and the air displacement of the screw compressor can be adjusted by only changing the size of the motor belt pulley and/or the size of the main machine belt pulley; the scheme can be realized by changing the sizes of a few parts without changing the structure of the whole machine, and the required cost is very low, so that the requirement of changing the required air volume is really met on the basis of not increasing the cost too much.

Preferably, a protective cover is arranged on one side of the compressor main machine, which is provided with the main machine belt pulley, and/or one side of the motor component, which is provided with the motor belt pulley, and is used for protecting the main machine belt pulley, the motor belt pulley and the transmission belt. The arrangement can well protect the belt pulley of the main machine, the belt pulley of the motor and the transmission belt from being damaged.

Preferably, the compressor further comprises an installation platform, the compressor host is installed on the installation platform through a first installation seat, the motor assembly is installed on the installation platform through a second installation seat, and a position adjusting mechanism is arranged between the second installation seat and the installation platform and used for adjusting the installation position of the motor assembly to change the tightness of the transmission belt. This setting can make the relative position of motor element and compressor host computer can adjust in a flexible way to can adjust drive belt's elasticity better, guarantee transmission performance better.

Preferably, the mounting platform further comprises an air storage tank, an air outlet of the compressor main engine is communicated with an air inlet of the air storage tank through an air exhaust pipeline, and the mounting platform is mounted on the air storage tank. The arrangement can make the mounting structure of the air storage tank, the motor component and the compressor main unit more compact.

Preferably, a heat dissipation device is further arranged on one side, close to the compressor main unit, of the mounting platform. The compressor host can be cooled by the aid of the cooling device, so that the compressor host can be better prevented from being damaged.

Preferably, the air storage tank is provided with a temperature detection device for detecting the internal temperature of the air storage tank. The gas temperature in the gas storage tank is detected by the gas temperature detection device, so that the exhaust temperature is controlled.

Preferably, the gas storage tank is further provided with an exhaust port, an exhaust assembly is arranged on the exhaust port, and an exhaust valve is arranged on the exhaust assembly. The device can conveniently connect the external gas pipeline and control the output of the gas pipeline.

Preferably, the exhaust assembly is further provided with a pressure detection device for detecting the gas pressure in the gas storage tank. The gas pressure in the gas storage tank can be detected by the device, and the safe use of the device is ensured.

Preferably, the bottom of the air storage tank is provided with a caster wheel assembly, and the air storage tank is provided with a pulling handle. The air storage tank can be pulled to move by using the pulling handle, so that the whole air storage tank can move.

Preferably, the bottom of the air storage tank is also provided with a zero-loss drainer. This setting uses zero loss drainer to discharge the sewage in the gas holder, and zero loss drainer not only can carry out automatic discharge to sewage in the gas holder, does not need manual operation, can not lose the interior compressed gas pressure of gas holder moreover.

Description of the drawings:

FIG. 1 is a front perspective view of the screw compressor of the present invention;

FIG. 2 is a rear perspective view of the screw compressor of the present invention;

FIG. 3 is a rear perspective view of the screw compressor of the present invention with the protective cover hidden;

in the figure: 1-a motor component, 2-a compressor host, 3-a motor belt pulley, 4-a host belt pulley, 5-a transmission belt, 6-a protective cover, 7-a mounting platform, 8-a first mounting seat, 9-a second mounting seat, 10-a position adjusting device, 11-an air storage tank, 12-an exhaust pipeline, 13-a heat dissipation device, 14-a temperature detection device, 15-an exhaust component, 16-an exhaust valve, 17-a pressure detection device, 18-a caster component, 19-a pulling handle and 20-a zero-loss drainer.

Detailed Description

The utility model is further described with reference to the following embodiments in conjunction with the accompanying drawings.

Example (b):

the utility model provides a screw compressor, includes motor element 1 and compressor host computer 2, motor element 1 is including setting up motor pulley 3 on the motor output shaft, compressor host computer 2 is including setting up at the epaxial host computer belt pulley 4 of drive, motor pulley 3 links to each other through driving belt 5 with host computer belt pulley 4.

The screw compressor adopts a belt type transmission mode, the motor output shaft is utilized to drive the motor belt pulley 3, and the motor belt pulley 3 drives the driving shaft of the compressor main machine 2 through the transmission belt 5, so that the structure that the motor component 1 and the compressor main machine 2 are directly connected in the traditional compressor is replaced, and the air displacement of the screw compressor can be adjusted by only changing the size of the motor belt pulley 3 and/or the size of the main machine belt pulley 4; the scheme can be realized by changing the sizes of a few parts without changing the structure of the whole machine, and the required cost is very low, so that the requirement of changing the required air volume is really met on the basis of not increasing the cost too much.

Preferably, a protecting cover 6 is arranged on one side of the compressor main body 2 provided with the main body belt pulley 4 and/or one side of the motor component 1 provided with the motor belt pulley 3, and is used for protecting the main body belt pulley 4, the motor belt pulley 3 and the transmission belt 5. This arrangement can protect the main machine pulley 4, the motor pulley 3 and the transmission belt 5 well from being damaged.

Preferably, the mounting platform 7 is further included, the compressor main unit 2 is mounted on the mounting platform 7 through a first mounting seat 8, the motor assembly 1 is mounted on the mounting platform 7 through a second mounting seat 9, and a position adjusting mechanism, such as an adjusting bolt, is arranged between the second mounting seat 9 and the mounting platform 7 and used for adjusting the mounting position of the motor assembly 1 to change the tightness of the transmission belt 5. This setting can make the relative position of motor element 1 and compressor host computer 2 can adjust in a flexible way to can adjust the elasticity of driving belt 5 better, guarantee transmission performance better.

Preferably, the air compressor further comprises an air tank 11, an exhaust port of the compressor main unit 2 is communicated with an air inlet of the air tank 11 through an exhaust pipeline 12, and the mounting platform 7 is mounted on the air tank 11. This arrangement makes the installation structure of the air tank 11, the motor assembly 1 and the compressor main unit 2 more compact.

Preferably, a heat dissipation device 13 is further disposed on one side of the mounting platform 7, which is close to the compressor main unit 2, and the heat dissipation device 13 may be implemented by using the prior art. This setting can dispel the heat to compressor host computer 2 to can guarantee compressor host computer 2 not damaged better.

Preferably, the air tank 11 is provided with a temperature detection device 14 for detecting the internal temperature of the air tank 11, and the temperature detection device 14 may be a conventional one. This arrangement achieves control of the exhaust temperature by detecting the gas temperature in the gas tank 11.

Preferably, the gas storage tank 11 is further provided with a gas outlet, the gas outlet is provided with a gas exhaust assembly 15, the gas exhaust assembly 15 is provided with a gas exhaust valve 16, and the gas exhaust assembly 15 and the gas exhaust valve 16 can be realized by adopting the prior art. The device can conveniently connect the external gas pipeline and control the output of the gas pipeline.

Preferably, the exhaust module 15 is further provided with a pressure detection device 17 for detecting the gas pressure in the gas tank 11, and the pressure detection device 17 may be a conventional one. The device can detect the gas pressure in the gas storage tank 11 and ensure the safe use of the device.

Preferably, a caster wheel assembly 18 is arranged at the bottom of the air storage tank 11, a pulling handle 19 is arranged on the air storage tank 11, the pulling handle 19 can be welded on the air storage tank 11, and the caster wheel assembly 18 can be formed by adopting the prior art. This arrangement allows the entire air tank 11 to be moved by pulling the air tank by the pulling handle 19.

Preferably, the bottom of the gas storage tank 11 is further provided with a zero-loss drainer 20, and the zero-loss drainer 20 may be implemented by using the prior art. This setting uses zero loss drainer 20 to discharge the sewage in the gas holder 11, and zero loss drainer 20 not only can carry out automatic discharge to sewage in the gas holder 11, does not need manual operation, can not lose compressed gas pressure in the gas holder 11 moreover.

Claims

1. A screw compressor comprises a motor component (1) and a compressor main machine (2), and is characterized in that: the motor assembly (1) comprises a motor belt pulley (3) arranged on a motor output shaft, the compressor main machine (2) comprises a main machine belt pulley (4) arranged on a driving shaft, and the motor belt pulley (3) is connected with the main machine belt pulley (4) through a transmission belt (5).

2. A screw compressor according to claim 1, wherein: one side that compressor host computer (2) were equipped with host computer belt pulley (4) and/or one side that motor element (1) were equipped with motor pulley (3) are equipped with protection casing (6) for protect host computer belt pulley (4), motor pulley (3) and driving belt (5).

3. A screw compressor according to claim 1, wherein: still include a mounting platform (7), install on mounting platform (7) compressor host computer (2) through first mount pad (8), motor element (1) is installed on mounting platform (7) through second mount pad (9), be equipped with position control mechanism between second mount pad (9) and mounting platform (7) for the mounted position of adjusting motor element (1) is with the elasticity that changes driving belt (5).

4. A screw compressor according to claim 3, wherein: still include gas holder (11), the gas vent of compressor host computer (2) is linked together through exhaust duct (12) and the air inlet of gas holder (11), mounting platform (7) are installed on gas holder (11).

5. A screw compressor according to claim 4, wherein: and a heat dissipation device (13) is further arranged on one side, close to the compressor main machine (2), of the mounting platform (7).

6. A screw compressor according to claim 4, wherein: and the air storage tank (11) is provided with a temperature detection device (14) for detecting the internal temperature of the air storage tank (11).

7. A screw compressor according to claim 4, wherein: still be equipped with the gas vent on the gas holder (11), be equipped with exhaust subassembly (15) on the gas vent, be equipped with discharge valve (16) on exhaust subassembly (15).

8. A screw compressor according to claim 7, wherein: and the exhaust assembly (15) is also provided with a pressure detection device (17) for detecting the gas pressure in the gas storage tank (11).

9. A screw compressor according to claim 4, wherein: the bottom of the air storage tank (11) is provided with a caster wheel assembly (18), and the air storage tank (11) is provided with a pulling handle (19).

10. A screw compressor according to claim 4, wherein: and a zero-loss drainer (20) is also arranged at the bottom of the gas storage tank (11).