CN215058167U

CN215058167U - Permanent magnet frequency conversion oilless screw blower

Info

Publication number: CN215058167U
Application number: CN202121045594.XU
Authority: CN
Inventors: 薛卫东
Original assignee: Unical Compressor Manufacturing Jiangsu Co ltd
Current assignee: Unical Compressor Manufacturing Jiangsu Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-07
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a permanent magnet frequency conversion does not have oily screw blower, including roof, bottom plate, curb plate and a plurality of supports, a plurality of supports are installed at the roof lower extreme, and the bottom plate is installed at the lower extreme of a plurality of supports, and the curb plate is located between roof and the bottom plate, and the curb plate inboard is installed electrical heat dissipation system; a rack is arranged between the top plate and the bottom plate and is installed at the upper end of the bottom plate, an oil-free screw rod host and a permanent magnet motor are arranged on the rack, a first damping system is arranged between the rack and the oil-free screw rod host, and a second damping system is arranged between the rack and the permanent magnet motor; the upper end and the lower end of the oilless screw rod host are respectively connected with an air inlet hose and an exhaust pipe; the rotating rod is installed on one side, facing the permanent magnet motor, of the oil-free screw rod host, and the other end of the rotating rod is rotatably connected with the permanent magnet motor. The permanent magnet variable frequency oilless screw air blower can reduce vibration generated during the operation of the air blower, reduce noise pollution and prolong the service life of the air blower.

Description

Permanent magnet frequency conversion oilless screw blower

Technical Field

The utility model belongs to the air-blower field, in particular to permanent magnetism frequency conversion does not have oily screw air-blower.

Background

The Roots blower, also called Roots blower, is a rotary compressor for compressing and conveying gas by using two or three blade-shaped rotors to make relative movement in cylinder, and is simple in structure, convenient to manufacture, suitable for gas conveying and pressurizing in low-pressure place, and also can be used as vacuum pump.

In the prior art, the blower is very noisy when in use, causes noise pollution to the surrounding working environment and is not beneficial to the health of workers, and the bigger the noise is, the bigger the vibration of the blower in use is, the parts in the blower are easy to fall off, the blower is easy to damage, and the quality and the practicability of the blower are reduced; the existing air blower adopts a blade-shaped rotor to rotate to suck air and exhaust air, and when the air blower is used, the air blower converts the exhaust air through sucking air, so that the air blower cannot achieve the energy-saving effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent magnetism frequency conversion does not have oily screw rod air-blower can reduce the vibrations that the air-blower during operation produced, and noise abatement pollutes, prolongs the life of air-blower.

In order to achieve the above purpose, the solution of the present invention is:

a permanent magnet variable frequency oilless screw blower comprises a top plate, a bottom plate, side plates and a plurality of supports, wherein the supports are arranged at the lower end of the top plate, the bottom plate is arranged at the lower ends of the supports, the side plates are arranged between the top plate and the bottom plate, and the inner sides of the side plates are provided with electric heat dissipation systems;

a rack is arranged between the top plate and the bottom plate and is installed at the upper end of the bottom plate, an oil-free screw rod host and a permanent magnet motor are arranged on the rack, a first damping system is arranged between the rack and the oil-free screw rod host, and a second damping system is arranged between the rack and the permanent magnet motor; the upper end and the lower end of the oilless screw rod host are respectively connected with an air inlet hose and an exhaust pipe; the rotating rod is installed on one side, facing the permanent magnet motor, of the oil-free screw rod host, and the other end of the rotating rod is rotatably connected with the permanent magnet motor.

The support frame is still installed towards one side of oil-free screw rod host computer to above-mentioned permanent-magnet machine, and permanent-magnet machine passes through support frame and oil-free screw rod host computer fixed connection.

The other end of the air inlet hose is provided with an air filter which is positioned at the lower end of the top plate.

The other end of the exhaust pipe is provided with a silencer, and the silencer is provided with an exhaust silencing opening.

The lower end of the top plate is provided with an independent distribution box.

The upper end of the oil-free screw rod main machine is also provided with a lubricating heat dissipation system, and the top plate is provided with a corresponding lubricating oil inlet.

After the scheme is adopted, the utility model discloses compare prior art's beneficial effect is:

(1) the utility model has the advantages that the silencer is arranged at the exhaust end of the blower, so that the noise during exhaust is reduced, the noise pollution is reduced, and the health of workers is facilitated; on the other hand, the vibration generated during the operation of the blower is reduced by reducing the noise, which is beneficial to the maintenance of the blower and improves the quality of the blower;

(2) when the oil-free screw rod main machine and the permanent magnet motor are installed, the damping system is adopted as a medium, so that the vibration of the oil-free screw rod main machine and the permanent magnet motor during working is reduced, the noise is further reduced, and the damage to parts of the air blower is reduced;

(3) the air filter is arranged on the air inlet channel of the oil-free screw main machine, so that the air purity is improved, and the working efficiency is further improved;

(4) the utility model discloses a be equipped with the lubricated cooling system of installation to no oily screw rod host computer, and correspond on the roof and set up the lubricating oil entry, can easy to assemble and operation, also can dispel the heat in real time to no oily screw rod host computer, prevent the high temperature and reduce life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention.

Reference numerals:

1. a top plate; 2. a support; 3. a base plate;

4. a lubricant inlet; 5. an electrical heat dissipation system;

6. a wire inlet; 7. an exhaust muffler port;

8. an independent distribution box; 9. a frame; 10. a first shock absorbing system;

11. mounting a plate; 12. a second damping system;

13. an oil-free screw main machine; 14. a permanent magnet motor;

15. a rotating rod; 16. air filtering; 17. a muffler;

18. an exhaust pipe; 19. an oil pump; 20. a lubricating and heat dissipating system;

21. an air intake hose; 22. a support frame; 23. side plates.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the utility model provides a permanent magnet frequency conversion does not have oily screw blower, including roof 1, a plurality of supports 2 are installed to roof 1 lower extreme, bottom plate 3 is installed to a plurality of supports 2 lower extreme, roof 1 upper end is equipped with lubricating oil inlet 4, roof 1 lower extreme is installed and is equipped with curb plate 23, two electrical heat dissipation systems 5 are installed to curb plate 23 side, the electric wire inlet 6 is installed to curb plate 23 side for the power cord that is connected electrical heat dissipation system 5 passes; a filter 16 is arranged at the lower end of the top plate 1; frame 9 is installed to 3 upper ends of bottom plate, a plurality of first shock mitigation systems 10 are installed to frame 9 upper end, oilless screw rod host 13 is installed to a plurality of first shock mitigation systems 10 upper ends, air inlet hose 21 is installed to oilless screw rod host 13 upper end, lubricated cooling system 20 is installed to oilless screw rod host 13 upper end, bull stick 15 is installed on oilless screw rod host 13 right side, permanent-magnet machine 14 is installed to bull stick 15 side, support frame 22 is installed to permanent-magnet machine 14 left side end, a plurality of second shock mitigation systems 12 are installed to 14 lower terminal walls of permanent-magnet machine, two mounting panels 11 are installed to a plurality of second shock mitigation systems 12 lower extremes, blast pipe 18 is installed to oilless screw rod host 13 lower extreme, muffler 17 is installed to blast pipe 18 right side end, muffler 17 right side end is equipped with exhaust amortization mouth 7, oil pump 19 is installed to frame 9 upper end, 1 lower extreme of roof is equipped with independent block terminal 8.

Wherein, permanent-magnet machine 14 passes through support frame 22 and does not have oily screw rod host computer 13 fixed connection, and bull stick 15 rotates with permanent-magnet machine 14 to be connected, during the use, starts permanent-magnet machine 14, makes permanent-magnet machine 14 drive the inside rotor of no oily screw rod host computer 13 and rotates to permanent-magnet machine 14 is power, reaches energy-conserving effect.

As a preferred embodiment of the present invention, as shown in fig. 2, there is not oily screw rod host 13 and air intake hose 21 fixed connection, and air intake hose 21 and empty 16 fixed connections of straining, during the use, the air gets into air intake hose 21 after straining 16 through empty, gets into inside no oily screw rod host 13 by air intake hose 21 again.

As a preferred embodiment of the present invention, as shown in fig. 2, there is no oil screw host 13 and exhaust pipe 18 fixed connection, and exhaust pipe 18 and muffler 17 fixed connection, during use, through the muffler 17 of installation, make exhaust pipe 18 reduce the noise when exhausting, reduce the noise pollution of working environment.

As a preferred embodiment of the present invention, as shown in fig. 2 and 3, the bottom plate 3 is fixedly connected to the frame 9, and the frame 9 is fixedly connected to the oil-free screw host 13 and the permanent magnet motor 14, and when in use, the oil-free screw host 13 and the permanent magnet motor 14 are erected through the frame 9 of installation, so that the exhaust pipe 18 is convenient to install, and the oil-free screw host 13 and the permanent magnet motor 14 are prevented from being wetted, which is beneficial to the maintenance of the oil-free screw host 13 and the permanent magnet motor 14.

As a preferred embodiment of the utility model, as shown in fig. 2, a plurality of first shock mitigation systems 10 and no oily screw rod host computer 13 fixed connection, and a plurality of second shock mitigation systems 12 and permanent-magnet machine 14 fixed connection, during the use, carry out the shock attenuation to no oily screw rod host computer 13 and permanent-magnet machine 14 through first shock mitigation systems 10 and second shock mitigation systems 12, be favorable to the maintenance to not having oily screw rod host computer 13 and permanent-magnet machine 14, improved the quality of not having oily screw rod host computer 13 and permanent-magnet machine 14.

As a preferred embodiment of the utility model, as shown in fig. 3, the lower extreme of roof 1 is equipped with independent distribution box 8, and two electrical heat dissipation system 5 and curb plate 23 fixed connection, during the use, install electrical equipment inside independent distribution box 8, dispel the heat by electrical heat dissipation system 5 to electrical equipment, are favorable to the maintenance to electrical equipment.

The utility model discloses a theory of operation is: firstly, a frequency converter and an intelligent controller are installed inside an independent distribution box 8, an electric heat dissipation system 5 is started to dissipate heat of the independent distribution box, damage caused by high temperature after the equipment is used is avoided, maintenance of the frequency converter and the intelligent controller is facilitated, the intelligent controller is electrically connected with a permanent magnet motor 14, the permanent magnet motor 14 is used as power, the frequency converter and the intelligent controller are controlled in a combined mode, air enters an oil-free screw host 13 from an air inlet hose 21 through an oil-free screw host 13 and is exhausted from an exhaust pipe 18, a silencer 17 is installed at the side end of the exhaust pipe 18, noise generated in the exhaust pipe 18 is reduced through the silencer 17, noise pollution is prevented, and maintenance of the device is facilitated; the machine head of the oil-free screw main machine 13 is a core component, special lubricating oil is used as lubricating and cooling media at the front bearing end and the rear bearing end of the machine head, a labyrinth seal is used as an oil way seal, the lubricating oil is prevented from entering a gas compression cavity, a special molded line rotor is used for the gas compression cavity, a wear-resistant layer is coated on the surface of the special molded line rotor, and the oil-free screw main machine 13 is cooled by self-absorption air, so that the energy-saving effect is achieved.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a permanent magnetism frequency conversion does not have oily screw blower which characterized in that: the heat dissipation device comprises a top plate (1), a bottom plate (3), a side plate (23) and a plurality of supports (2), wherein the plurality of supports (2) are arranged at the lower end of the top plate (1), the bottom plate (3) is arranged at the lower ends of the plurality of supports (2), the side plate (23) is arranged between the top plate (1) and the bottom plate (3), and an electric heat dissipation system (5) is arranged on the inner side of the side plate (23);

a rack (9) is arranged between the top plate (1) and the bottom plate (3), the rack (9) is installed at the upper end of the bottom plate (3), an oil-free screw rod host (13) and a permanent magnet motor (14) are arranged on the rack (9), a first damping system (10) is arranged between the rack (9) and the oil-free screw rod host (13), and a second damping system (12) is arranged between the rack (9) and the permanent magnet motor (14); the upper end and the lower end of the oilless screw main machine (13) are respectively connected with an air inlet hose (21) and an exhaust pipe (18); the oil-free screw rod host (13) is provided with a rotating rod (15) towards one side of the permanent magnet motor (14), and the other end of the rotating rod (15) is rotatably connected with the permanent magnet motor (14).

2. The permanent magnet variable frequency oil-free screw blower according to claim 1, characterized in that: permanent-magnet machine (14) still install support frame (22) towards one side of oil-free screw rod host computer (13), permanent-magnet machine (14) pass through support frame (22) and oil-free screw rod host computer (13) fixed connection.

3. The permanent magnet variable frequency oil-free screw blower according to claim 1, characterized in that: the other end of the air inlet hose (21) is provided with an air filter (16), and the air filter (16) is positioned at the lower end of the top plate (1).

4. The permanent magnet variable frequency oil-free screw blower according to claim 1, characterized in that: a silencer (17) is installed at the other end of the exhaust pipe (18), and an exhaust silencing opening (7) is formed in the silencer (17).

5. The permanent magnet variable frequency oil-free screw blower according to claim 1, characterized in that: and an independent distribution box (8) is arranged at the lower end of the top plate (1).

6. The permanent magnet variable frequency oil-free screw blower according to claim 1, characterized in that: the lubricating and heat-dissipating system (20) is further installed at the upper end of the oil-free screw main machine (13), and the corresponding lubricating oil inlet (4) is formed in the top plate (1).