CN113217347A

CN113217347A - Noise reduction mechanical pump based on resonant frequency

Info

Publication number: CN113217347A
Application number: CN202110681705.4A
Authority: CN
Inventors: 刘俊瑛; 季刚; 费菊明
Original assignee: Wuxi Shengnuo High Pressure Pump Technology Co ltd
Current assignee: Wuxi Shengnuo High Pressure Pump Technology Co ltd
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2021-08-06
Anticipated expiration: 2041-06-19
Also published as: CN113217347B

Abstract

The invention discloses a noise reduction mechanical pump based on resonance frequency, comprising: the upper end surface of the bottom plate is provided with a supporting plate; the left side and the right side of the upper part of the supporting plate are respectively provided with a motor and a pump body; four anti-loosening moving parts are arranged on the upper portion of the supporting plate part and positioned at the motor and the pump body base, a noise reduction shell is fixedly connected to the edge of the upper end face of the supporting plate part, two blowing mechanisms are symmetrically arranged on the top of the noise reduction shell in a left-right mode, and a transmission mechanism is rotatably connected to the interior of the noise reduction shell through a rotating shaft support; every mechanism of blowing outside all rotates and is connected with an annular driving piece, and every annular driving piece up end edge all is two clean brushes of bilateral symmetry form fixedly connected with. The invention can enable the motor and the upper part of the pump body to simultaneously generate stronger wind power and then blow the stronger wind power to the motor and the outer shell of the pump body, and the arrangement of the blowing fan blades is more energy-saving, so that the mechanical pump can not be in a high-temperature environment for a long time, and the service life of the mechanical pump is effectively prolonged.

Description

Noise reduction mechanical pump based on resonant frequency

Technical Field

The invention belongs to the technical field of mechanical pumps, and particularly relates to a noise reduction mechanical pump based on resonance frequency.

Background

A mechanical pump, i.e. a mechanical vacuum pump, is a machine for creating a vacuum, which can exhaust or absorb air in a closed or semi-closed space to achieve a relative vacuum in a local space. The common vacuum pumps include a reciprocating vacuum pump, a water ring pump, a molecular pump, a rotary-vane vacuum pump, a piston vacuum pump, a swinging piston vacuum pump, a diaphragm vacuum pump, a linear vacuum pump and the like.

Patent CN201711386381.1 discloses a formula of making an uproar mechanical pump falls, including the pump body, motor and heat abstractor, the left side and the top of the pump body are provided with the pump mouth, the right side of the pump body is provided with mechanical seal device, mechanical seal device's right side is provided with heat abstractor, heat abstractor's right side is provided with the pump shaft, the right side of pump shaft is provided with decelerator, decelerator's inside is provided with the shaft coupling, decelerator's right side is provided with the motor, the bottom of motor is provided with the base. This formula mechanical pump of making an uproar falls through the protruding mechanism that sets up, can carry out the amortization to it at the pump during operation, reduces noise pollution, through setting up heat abstractor, simple structure improves the radiating efficiency, and the practicality is higher, is fit for using widely.

Based on the above patent search, and the discovery of combining the prior art, when the mechanical pump is used, because the mechanical pump is generally driven by the motor, the mechanical pump can generate strong noise when operating, and although some noise reduction structures can be arranged outside the existing mechanical pump, the existing mechanical pump still has the following disadvantages in the actual use process, such as: 1. in the existing mechanical pump, the fastening nut connected with the motor and the pump body base is easy to loosen due to the vibration generated when the motor and the pump body operate because of the lack of an effective anti-loosening structure, so that the stability of the mechanical pump in use is reduced; 2. although a motor in the existing mechanical pump is provided with a cooling fan, the cooling effect is poor, and an effective energy-saving blowing structure is still lacked outside a pump body connected with the motor, so that the mechanical pump in a high-temperature environment for a long time is easily damaged, and the service life of the mechanical pump is shortened; 3. when the existing mechanical pump moves, although the universal wheels can be installed at the bottom of the bottom plate, when the mechanical pump is used, the stability of the mechanical pump is difficult to guarantee only by the brake devices on the universal wheels.

Disclosure of Invention

The invention aims to provide a noise reduction mechanical pump based on a resonance frequency, so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides a noise reduction mechanical pump based on resonance frequency, which comprises a bottom plate, wherein a support plate is arranged on the upper end surface of the bottom plate, the support plate comprises mounting seats, limiting guide pillars, fastening nuts, threaded columns and fillet limiting gears, the left side and the right side of the upper end surface of the support plate are respectively provided with one mounting seat, each of four included angles of the upper end surfaces of the two mounting seats is provided with one threaded column, the outside of each threaded column is connected with one fastening nut through threads, the bottom end surface of each fastening nut is provided with the fillet limiting gear, the upper parts of the two mounting seats are respectively connected with a motor and a pump body through the four fastening nuts, the edge of the support plate is symmetrically connected with six limiting guide pillars in a front-back sliding mode, the lower ends of the six limiting guide pillars are fixedly connected to the upper end surface of the bottom plate, and the outside of each limiting guide pillar is sleeved with a spring; the left side and the right side of the upper part of the supporting plate are respectively provided with a motor and a pump body; four anti-loosening moving parts are arranged at the upper part of the supporting plate part and are positioned at the motor and the pump body base, and a noise reduction shell is fixedly connected to the edge of the upper end face of the supporting plate part; two rectangular air outlets are symmetrically formed in the lower portions of the front end face and the rear end face of the noise reduction shell cover, and a noise reduction dustproof net is fixedly embedded in each rectangular air outlet; rectangular through holes are formed in the left side and the right side of the upper end face of the bottom plate, and a moving mechanism is arranged in each rectangular through hole; the top of the noise reduction shell is provided with two blowing mechanisms in a bilateral symmetry manner, and the noise reduction shell is internally and rotatably connected with a transmission mechanism through a rotating shaft support; every mechanism of blowing outside all rotates and is connected with an annular driving piece, and every annular driving piece up end edge all is two clean brushes of bilateral symmetry form fixedly connected with.

In a preferred embodiment, the tightening direction of the fastening nut is clockwise direction, and the fillet tooth limiting direction on the fillet limiting gear on the bottom end face of the fastening nut is anticlockwise direction.

In a preferred embodiment, the motor includes first bevel gear, and the motor is connected with first bevel gear through the pivot rotation, and the motor shaft is connected with the pivot rotation in the pump body through the shaft coupling, and motor and pump body are located two blast mechanism lower parts respectively.

In a preferred embodiment, locking piece is including locking slider and pull rod that moves, locking piece is rectangular shell structure, and locking piece internal sliding connection has locking slider that moves, locking slider head end that moves is equipped with the triangle stopper, and locking slider tail end fixedly connected with locking piece afterbody sliding connection's pull rod, the pull rod outside is located locking piece internally mounted and has the spring, when locking piece and fastening nut are in the mounted state, locking slider head end triangle stopper that moves closely contacts with fillet stop gear outer peripheral face, and locking slider head end triangle stopper inclined plane contacts with fillet stop gear fillet tooth fillet face.

In a preferred embodiment, the moving mechanism includes the frame support, adjusting nut and adjusting screw, both ends upper portion all is equipped with two sliding sleeves around the frame support, and the inside equal sliding connection of every sliding sleeve has the spacing slide bar of fixing at the bottom plate up end, the welding of frame support outside middle part has adjusting nut, and adjusting nut is inside to have adjusting screw through threaded connection, the adjusting screw upper end is equipped with the rotation hand wheel, and the adjusting screw lower extreme rotates through the axle sleeve and connects in a bottom plate side middle part, a universal wheel is all installed to both sides around the moving mechanism bottom face, when moving mechanism is in the mobile state, frame support face universal wheel rolls with ground and is connected.

In a preferred embodiment, the transmission mechanism includes a double-groove belt wheel, a second bevel gear and a driving gear, the transmission mechanism is of a cylindrical structure, the upper end and the lower end of the transmission mechanism are respectively provided with the double-groove belt wheel and the second bevel gear, the driving gear is arranged on the upper portion of the outer peripheral surface of the transmission mechanism, and when the transmission mechanism and the motor are in an installation state, the second bevel gear is meshed with the first bevel gear.

In a preferred embodiment, the blowing mechanism comprises a rotating shaft, a dustproof sound insulation net, a driven belt wheel and a blowing fan blade, the blowing mechanism is of a cylindrical structure, the inside of the blowing mechanism is rotatably connected with the rotating shaft through a shaft sleeve, the driven belt wheel and the blowing fan blade are arranged at the upper end and the lower end of the rotating shaft respectively, the dustproof sound insulation net is mounted at the top of the blowing mechanism, and when the blowing mechanism and the transmission mechanism are in a mounting state, the driven belt wheel is in transmission connection with the double-groove belt wheel through a belt.

In a preferred embodiment, the annular driving member includes a gear ring, a synchronous pulley and a bearing, the bearing is mounted inside the annular driving member, the bearing is mounted on the outer peripheral surface of the blowing mechanism, the synchronous pulley and the gear ring are fixedly connected to the upper side and the lower side of the outer peripheral surface of the annular driving member respectively, and when the two annular driving members are in the mounted state, the synchronous pulleys in the two annular driving members are connected through a synchronous belt transmission.

In a preferred embodiment, when the left annular driver and the transmission mechanism are in the installation state, the gear ring on the left annular driver is meshed with the driving gear, and the diameter of the gear ring is five times to eight times of the diameter of the driving gear.

Further, when the cleaning brush and the blowing mechanism are in an installation state, the bristles at the bottom of the cleaning brush are in contact with the side face of the dustproof sound-insulation net.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arrangement of the moving mechanism, when the mechanical pump needs to be fixed, the adjusting screw rod is rotated, so that the adjusting nut drives the frame-shaped support to move upwards under the action of the threads, the universal wheel at the bottom of the frame-shaped support is separated from the ground, and after the universal wheel at the bottom of the frame-shaped support is separated from the ground, the bottom end surface of the bottom plate is contacted with the ground, so that the supporting area is increased, and therefore, when the mechanical pump is fixedly used, a brake device on the universal wheel is not needed, and the stability of the mechanical pump in a use state is effectively improved.

2. According to the invention, through the matching of the transmission mechanism and the blowing mechanisms, when the mechanical pump is operated, the transmission mechanism is driven to rotate through the first bevel gear on the rotating shaft of the motor, so that the rotating shafts in the two blowing mechanisms rotate, and then the two groups of blowing fan blades are driven to rotate through the two rotating shafts simultaneously, so that stronger wind power is generated at the upper parts of the motor and the pump body simultaneously, and then the strong wind power is blown off to the motor and the outer shell of the pump body, and then the strong wind power is discharged through the rectangular air outlets arranged on the front end surface and the rear end surface of the noise reduction shell cover, and the setting of the blowing fan blades is more energy-saving, so that the mechanical pump cannot be in a high-temperature environment for a long time, and the service life of the mechanical pump is effectively prolonged.

3. According to the invention, through the arrangement of the anti-loosening moving piece, when the motor and the pump body are fixedly installed, the fastening nut is clockwise turned and tightened through a tool, so that the fillet surface of the fillet limit gear sequentially slides over the inclined surface of the anti-loosening slider head end triangular limit block, when the fastening nut is about to loosen due to vibration generated during the operation of the motor and the pump body, the fillet limit gear is effectively limited in one direction through the close contact between the anti-loosening slider head end triangular limit block and the fillet limit gear, so that the fastening nut cannot rotate anticlockwise at the moment, the phenomenon that the fastening nut loosens is effectively avoided, and the stability of the mechanical pump in use is further improved.

Drawings

Fig. 1 is a schematic axial view of a noise-reducing mechanical pump for resonance frequency use according to the present invention.

Fig. 2 is a schematic structural view of the noise reduction mechanical pump for resonance frequency use according to the present invention in a disassembled state.

Fig. 3 is a schematic view of the structure of the support plate, the motor and the pump body of the present invention.

Fig. 4 is a schematic structural view of the support plate and the anti-loosening member of the invention.

Fig. 5 is a partial enlarged structural view of the invention at a in fig. 4.

Fig. 6 is a schematic structural diagram of a transmission mechanism, a blowing mechanism and an annular driving piece of the invention.

Fig. 7 is a schematic structural view of the blowing mechanism of the present invention in a disassembled state.

Figure 8 is a schematic view of the annular catch and cleaning brush arrangement of the present invention.

Description of reference numerals:

1. a base plate; 2. a support plate; 201. a mounting seat; 202. a limiting guide post; 203. fastening a nut; 204. a threaded post; 205. a fillet limit gear; 3. a motor; 301. a first bevel gear; 4. a pump body; 5. a locking member; 501. an anti-loosening sliding block; 502. a pull rod; 6. a noise reduction casing; 7. a moving mechanism; 701. a frame-shaped support; 702. adjusting the nut; 703. adjusting the screw rod; 8. a transmission mechanism; 801. a double-groove belt pulley; 802. a second bevel gear; 803. a driving gear; 9. a blowing mechanism; 901. a rotating shaft; 902. a dust-proof sound-insulation net; 903. a driven pulley; 904. a blower blade; 10. an annular driver; 1001. a ring gear; 1002. a synchronous pulley; 1003. a bearing; 11. the brush is cleaned.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, a noise reduction mechanical pump for use based on a resonant frequency according to a preferred embodiment of the present invention includes: the bottom plate 1, bottom plate 1 up end are equipped with support plate 2, and support plate 2 includes mount pad 201, spacing guide pillar 202, fastening nut 203, screw thread post 204 and fillet limit gear 205. Support 2 up end left and right sides of plate and all be equipped with a mount pad 201, and four contained angles departments of two mount pads 201 up end all are equipped with a screw thread post 204, and every screw thread post 204 outside all has a fastening nut 203 through threaded connection, and every fastening nut 203 bottom end face all is equipped with fillet limit gear 205, and two mount pad 201 upper portions all are connected with motor 3 and the pump body 4 respectively through four fastening nut 203. Support 2 edges of plate spare and be front and back symmetry form sliding connection and have six spacing guide pillars 202, and the equal fixed connection of six spacing guide pillar 202 lower extreme is at 1 up end of bottom plate, and every spacing guide pillar 202 outside has all cup jointed the spring. The tightening steering of the tightening nut 203 is clockwise steering, and the limiting steering of the rounded teeth on the rounded limit gear 205 at the bottom end surface of the tightening nut 203 is counterclockwise steering. The left side and the right side of the upper part of the supporting plate 2 are respectively provided with the motor 3 and the pump body 4, the motor 3 comprises a first bevel gear 301, the motor 3 is rotatably connected with the first bevel gear 301 through a rotating shaft, the rotating shaft of the motor 3 is rotatably connected with the rotating shaft in the pump body 4 through a coupler, and the motor 3 and the pump body 4 are respectively positioned at the lower parts of the two blowing mechanisms 9, so that the upper parts of the motor 3 and the pump body 4 can obtain effective blowing effect; the support plate 2 upper portions are located

motor

3 and 4 base departments of the pump body and all are equipped with four locking pieces 5, locking piece 5 is including locking slider 501 and pull rod 502 that moves, locking piece 5 is rectangular shell structure, and locking 5 inside sliding connection of piece have locking slider 501 that moves, locking slider 501 head end that moves is equipped with the triangle stopper, and locking slider 501 tail end fixedly connected with locking 5 afterbody sliding connection's of piece pull rod 502, the outside of pull rod 502 is located locking 5 internally mounted of piece and has the spring. Support 2 up end edge fixedly connected with of plate and fall shell 6 of making an uproar, fall around the shell 6 of making an uproar both ends face lower part and all be bilateral symmetry and describe and seted up two rectangle air outlets, and all fixed the inlaying dust screen of making an uproar that falls in every rectangle air outlet. Rectangle opening has all been seted up to the 1 up end left and right sides of bottom plate, and all be equipped with a moving mechanism 7 in every rectangle opening, moving mechanism 7 includes frame support 701, adjusting nut 702 and adjusting screw 703, both ends upper portion all is equipped with two sliding sleeves around frame support 701, and the inside equal sliding connection of every sliding sleeve has the spacing slide bar of fixing at 1 up end of bottom plate, the middle part welding in the outside of frame support 701 has adjusting nut 702, and adjusting nut 702 is inside to have adjusting screw 703 through threaded connection, adjusting screw 703 upper end is equipped with the rotation hand wheel, and the adjusting screw 703 lower extreme passes through the axle sleeve and rotates and connect at 1 side middle part of bottom plate, a universal wheel is all installed to both sides around the 7 bottom faces of moving mechanism. When the moving mechanism 7 is in a moving state, the universal wheels on the bottom end face of the frame-shaped support 701 are connected with the ground in a rolling manner. Two blowing mechanisms 9 are symmetrically arranged at the top of the noise reduction housing 6 in a left-right mode, and the noise reduction housing 6 is rotatably connected with a transmission mechanism 8 through a rotating shaft support. The transmission mechanism 8 comprises a double-groove belt wheel 801, a second bevel gear 802 and a driving gear 803, and the transmission mechanism 8 is of a cylindrical structure. And the upper and lower both ends of the transmission mechanism 8 are equipped with the double flute band pulley 801 and the second bevel gear 802 respectively, the upper portion of the perimeteric surface of the transmission mechanism 8 has driving gears 803, when the transmission mechanism 8 and motor 3 are in the mounted state, the second bevel gear 802 is engaged with first bevel gear 301. An annular driving piece 10 is rotatably connected to the outside of each blowing mechanism 9, the annular driving piece 10 comprises a gear ring 1001, a synchronous pulley 1002 and a bearing 1003, the bearing 1003 is installed inside the annular driving piece 10, and the bearing 1003 is installed on the outer peripheral surface of the blowing mechanism 9. The upper side and the lower side of the outer peripheral surface of the annular driving member 10 are respectively and fixedly connected with a synchronous pulley 1002 and a gear ring 1001, and when the two annular driving members 10 are in the installation state, the synchronous pulleys 1002 in the two annular driving members 10 are connected through a synchronous belt. Two cleaning brushes 11 are fixedly connected to the edge of the upper end face of each annular driving piece 10 in a bilateral symmetry manner. When the cleaning brush 11 and the blowing mechanism 9 are in the installation state, the brush bristles at the bottom of the cleaning brush 11 are in contact with the upper side surface of the dustproof and soundproof net 902, and the blockage probability of the dustproof and soundproof net 902 is effectively reduced through the rotating cleaning brush 11. When the anti-loosening element 5 and the fastening nut 203 are in an installation state, the head end triangular limiting block of the anti-loosening sliding block 501 is in close contact with the outer peripheral surface of the fillet limiting gear 205, and the inclined surface of the head end triangular limiting block of the anti-loosening sliding block 501 is in contact with the fillet tooth fillet surface of the fillet limiting gear 205, so that the fastening nut 203 is not easy to loosen.

In the above scheme, the blowing mechanism 9 includes a rotating shaft 901, a dustproof sound insulation net 902, a driven pulley 903 and a blowing fan 904, the blowing mechanism 9 is of a cylindrical structure, the inside of the blowing mechanism 9 is rotatably connected with the rotating shaft 901 through a shaft sleeve, the upper end and the lower end of the rotating shaft 901 are respectively provided with the driven pulley 903 and the blowing fan 904, the dustproof sound insulation net 902 is installed at the top of the blowing mechanism 9, and when the blowing mechanism 9 and the transmission mechanism 8 are in an installation state, the driven pulley 903 is in transmission connection with the double-groove pulley 801 through a belt.

In the above scheme, when the left annular driving member 10 and the transmission mechanism 8 are in the installation state, the gear ring 1001 on the left annular driving member 10 is meshed with the driving gear 803, and the diameter of the gear ring 1001 is five times to eight times of the diameter of the driving gear 803, so that the gear ring 1001 rotates more slowly and smoothly.

In the above scheme, remove this mechanical pump to suitable position through two frame support 701 bottom universal wheels, then when needs are fixed, through rotating adjusting screw 703, make adjusting nut 702 drive frame support 701 rebound under the screw thread effect, thereby make frame support 701 bottom universal wheel and ground separation, after frame support 701 bottom universal wheel and ground separation, bottom plate 1 bottom face and ground contact, thereby increased the holding area, thereby make this mechanical pump when fixed the use, need not to lean on the brake equipment on the universal wheel, and then effectively improved the stationarity of this mechanical pump under the user state.

When the noise reduction mechanical pump for the resonance frequency is operated, the first bevel gear 301 on the rotating shaft of the motor 3 drives the second bevel gear 802 to rotate, so that the transmission mechanism 8 drives the upper-end double-groove belt pulley 801 and the driving gear 803 to rotate, then the double-groove belt pulley 801 drives the driven belt pulleys 903 on the two blowing mechanisms 9 to rotate simultaneously through two synchronous belts, and then the two groups of blowing fan blades 904 are driven to rotate simultaneously through the two rotating shafts 901, so that the upper parts of the motor 3 and the pump body 4 simultaneously generate stronger wind power, and then the stronger wind power is blown to the outer shell of the motor 3 and the pump body 4 and is discharged through the rectangular air outlets formed in the front end face and the rear end face of the noise reduction shell 6, and the setting of the blowing fan blades 904 is more energy-saving, so that the mechanical pump cannot be in a high-temperature environment for a long time, and the service life of the mechanical pump is effectively prolonged.

Drive mechanism 8 rotates simultaneously, drives the outside ring gear 1001 of left side annular driving piece 10 through driving gear 803 and carries out slow rotation to make synchronous pulley 1002 pass through the hold-in range and drive another annular driving piece 10 synchronous revolution on the annular driving piece 10 of left side, then drive two cleaning brush 11 through annular driving piece 10 and rotate at dustproof sound insulation net 902 upper surface, thereby dustproof sound insulation net 902 upper surface attached dust obtains effectual cleaning operation, has effectively reduced dustproof sound insulation net 902 and has blockked up the probability.

Through the setting of locking moving piece 5, when fixed mounting motor 3 and the pump body 4, carry out clockwise turning to the tightening operation with fastening nut 203 through the instrument, make fillet limiting gear 205 fillet face slide with locking slider 501 head end triangle stopper inclined plane in proper order, when fastening nut 203 will take place not hard up because of the vibration that produces when motor 3 and the function of the pump body 4, through the in close contact with of locking slider 501 head end triangle stopper and fillet limiting gear 205, make fillet limiting gear 205 obtain effective one-way limiting action, thereby make fastening nut 203 can not carry out anticlockwise rotation this moment, thereby effectively avoided fastening nut 203 to take place not hard up phenomenon, and then improved the steadiness when this mechanical pump uses.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A noise reduction mechanical pump based on resonant frequency is used characterized in that: the device comprises a bottom plate (1), a supporting plate (2) is arranged on the upper end face of the bottom plate (1), the supporting plate (2) comprises mounting seats (201), limiting guide pillars (202), fastening nuts (203), threaded columns (204) and fillet limiting gears (205), the left side and the right side of the upper end face of the supporting plate (2) are respectively provided with one mounting seat (201), four included angles of the upper end face of each mounting seat (201) are respectively provided with one threaded column (204), the outer part of each threaded column (204) is connected with one fastening nut (203) through threads, the bottom end face of each fastening nut (203) is provided with the fillet limiting gear (205), the upper parts of the two mounting seats (201) are respectively connected with a motor (3) and a pump body (4) through four fastening nuts (203), the edge of the supporting plate (2) is in a front-back symmetrical sliding connection with six limiting guide pillars (202), the lower ends of six limiting guide pillars (202) are fixedly connected to the upper end face of the bottom plate (1), and springs are sleeved outside each limiting guide pillar (202); the left side and the right side of the upper part of the supporting plate (2) are respectively provided with a motor (3) and a pump body (4); four anti-loosening moving parts (5) are arranged on the upper portion of the supporting plate (2) and located at the base of the motor (3) and the pump body (4), and a noise reduction housing (6) is fixedly connected to the edge of the upper end face of the supporting plate (2); the lower parts of the front end face and the rear end face of the noise reduction shell cover (6) are respectively provided with two rectangular air outlets in a bilateral symmetry manner, and a noise reduction dustproof net is fixedly embedded in each rectangular air outlet; rectangular through holes are formed in the left side and the right side of the upper end face of the bottom plate (1), and a moving mechanism (7) is arranged in each rectangular through hole; the top of the noise reduction housing (6) is provided with two blowing mechanisms (9) in a bilateral symmetry manner, and the noise reduction housing (6) is rotatably connected with a transmission mechanism (8) through a rotating shaft support; every blow mechanism (9) outside all to rotate and be connected with an annular driving piece (10), and every annular driving piece (10) up end edge all is two cleaning brush (11) of bilateral symmetry form fixedly connected with.

2. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: the fastening steering of the fastening nut (203) is clockwise steering, and the limiting steering of the rounded teeth on the rounded limiting gear (205) at the bottom end surface of the fastening nut (203) is anticlockwise steering.

3. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: the motor (3) comprises a first bevel gear (301), the motor (3) is connected with the first bevel gear (301) through a rotating shaft in a rotating mode, the rotating shaft of the motor (3) is connected with the rotating shaft in the pump body (4) in a rotating mode through a coupler, and the motor (3) and the pump body (4) are located on the lower portion of the two air blowing mechanisms (9) respectively.

4. A resonance frequency based noise reducing mechanical pump as defined in claim 2, wherein: locking movable piece (5) are including locking slider (501) and pull rod (502) that moves, locking movable piece (5) are rectangle shell structure, and locking movable piece (5) inside sliding connection has locking movable slider (501), locking movable slider (501) head end is equipped with the triangle stopper, and locking movable slider (501) tail end fixedly connected with locking movable piece (5) afterbody sliding connection's pull rod (502), pull rod (502) outside is located locking movable piece (5) internally mounted has the spring, works as locking movable piece (5) and fastening nut (203) are in the installation status, locking movable slider (501) head end triangle stopper and fillet stop gear (205) outer peripheral face in close contact with, and locking movable slider (501) head end triangle stopper inclined plane contacts with fillet stop gear (205) fillet tooth fillet face.

5. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: moving mechanism (7) are including frame support (701), adjusting nut (702) and adjusting screw (703), both ends upper portion all is equipped with two sliding sleeves around frame support (701), and the inside equal sliding connection of every sliding sleeve has the spacing slide bar of fixing at bottom plate (1) up end, the middle part welding in frame support (701) outside has adjusting nut (702), and adjusting nut (702) is inside to have adjusting screw (703) through threaded connection, adjusting screw (703) upper end is equipped with the rotation hand wheel, and adjusting screw (703) lower extreme passes through the axle sleeve and rotates and connect in a side middle part of bottom plate (1), a universal wheel is all installed to both sides around moving mechanism (7) bottom face, works as when moving mechanism (7) is in the moving state, frame support (701) bottom face universal wheel rolls with ground and is connected.

6. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: the transmission mechanism (8) comprises a double-groove belt wheel (801), a second bevel gear (802) and a driving gear (803), the transmission mechanism (8) is of a cylindrical structure, the upper end and the lower end of the transmission mechanism (8) are respectively provided with the double-groove belt wheel (801) and the second bevel gear (802), the driving gear (803) is arranged on the upper portion of the outer peripheral surface of the transmission mechanism (8), and when the transmission mechanism (8) and the motor (3) are in an installation state, the second bevel gear (802) is meshed with the first bevel gear (301).

7. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: the blowing mechanism (9) comprises a rotating shaft (901), a dustproof sound insulation net (902), a driven pulley (903) and a blowing fan blade (904), the blowing mechanism (9) is of a cylindrical structure, the inside of the blowing mechanism (9) is rotatably connected with the rotating shaft (901) through a shaft sleeve, the driven pulley (903) and the blowing fan blade (904) are arranged at the upper end and the lower end of the rotating shaft (901) respectively, the dustproof sound insulation net (902) is installed at the top of the blowing mechanism (9), and when the blowing mechanism (9) and the transmission mechanism (8) are in an installation state, the driven pulley (903) is in transmission connection with the double-groove pulley (801) through a belt.

8. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: the annular driving part (10) comprises a gear ring (1001), synchronous pulleys (1002) and a bearing (1003), the bearing (1003) is installed inside the annular driving part (10), the bearing (1003) is installed on the outer peripheral surface of the blowing mechanism (9), the synchronous pulleys (1002) and the gear ring (1001) are fixedly connected to the upper side and the lower side of the outer peripheral surface of the annular driving part (10) respectively, and when the annular driving part (10) is in an installation state, the synchronous pulleys (1002) in the two annular driving parts (10) are connected through synchronous belt transmission.

9. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: when the left annular driving piece (10) and the transmission mechanism (8) are in an installation state, the gear ring (1001) on the left annular driving piece (10) is meshed with the driving gear (803), and the diameter of the gear ring (1001) is five times to eight times of that of the driving gear (803).

10. A resonance frequency based noise reducing mechanical pump as defined in claim 1, wherein: when the cleaning hairbrush (11) and the blowing mechanism (9) are in an installation state, the bristles at the bottom of the cleaning hairbrush (11) are in contact with the upper side surface of the dustproof and soundproof net (902).