CN216407300U - Multistage centrifugal pump with good noise reduction effect - Google Patents
Multistage centrifugal pump with good noise reduction effect Download PDFInfo
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- CN216407300U CN216407300U CN202122441818.5U CN202122441818U CN216407300U CN 216407300 U CN216407300 U CN 216407300U CN 202122441818 U CN202122441818 U CN 202122441818U CN 216407300 U CN216407300 U CN 216407300U
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- centrifugal pump
- noise reduction
- base
- chassis
- reduction effect
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Abstract
The utility model discloses a multistage centrifugal pump with good noise reduction effect, which comprises a bottom plate, a damping structure and a noise reduction structure, wherein the damping structure is arranged on the upper surface of the bottom plate, the damping structure is particularly composed of a base plate, a spring box, a sliding column, a chassis, a fastening bolt and a base, the base is arranged on the upper surface of the bottom plate, the chassis is arranged on the upper surface of the base, the fastening bolt is in threaded connection with the upper surface of the chassis, the sliding column is fixedly connected with the upper surface of the chassis, the spring box is in sliding connection with the outer surface of the sliding column, the base plate is arranged on the upper surface of the spring box, vibration can be generated in the operation process of the centrifugal pump, the noise can be generated between the centrifugal pump and the bottom plate in the vibration process, the chassis is arranged on the upper surface of the base and is fixed on the bottom plate through the fastening bolt, the spring box is arranged at the bottom end of the base plate, and the sliding connection between the spring box and the sliding column is utilized, the realization is to the shock attenuation effect of the pump body to the noise that produces when reducing the centrifugal pump and using.
Description
Technical Field
The utility model relates to the technical field of mechanical installation, in particular to a multistage centrifugal pump with a good noise reduction effect.
Background
The centrifugal pump is a universal machine with wide application, can see the figure of the centrifugal pump in the fields of petrochemical industry, agricultural irrigation, ships and submarines, aerospace and the like, and plays a vital role. The vibration generated during the operation of the centrifugal pump assembly easily affects the safety and stability of the operation of the unit, causes the damage of parts and affects the service life of the unit; the noise that the operation produced can cause operational environment and living environment's noise pollution, influences people's physical and mental health, and the centrifugal pump generally only adopts the base to install at present, and only carries out the damping effect through the base not good, can't reach fine noise reduction damping effect.
Patent number CN210799516U discloses a multistage centrifugal pump with good noise reduction effect. The utility model discloses a specifically be including the installation base, the top surface mounting of installation base has the sound box of inhaling, and the top surface mounting who inhales the sound box has the installation roof, and top surface one side of installation roof is provided with the pedestal, and the supporting screw rod has all been cup jointed to the four corners position of motor mounting panel, and the motor mounting panel is close to one side of pedestal and installs the telescopic link, and the side of telescopic link is provided with fastening bolt, and the top surface mounting of telescopic link has the arc layer board. The centrifugal pump is clamped on the central axis of the pedestal through the left baffle and the right baffle, the centrifugal pump and the motor are in axial alignment through the height adjustment of the motor mounting plate and the bearing of the arc-shaped supporting plate, the vibration and the emitted noise generated by machinery are reduced, the noise generated when the centrifugal pump works can be absorbed through the sound absorption box, the vibration force is weakened through the spring rods on the two sides, and the generated vibration and noise are reduced.
This multistage centrifugal pump that noise reduction effect is good has following drawback: this design is when the water pump is used, and the device that sets up noise absorption on the water pump reduces the noise, can not the fundamental noise reduction, and the motor also can produce the noise when using, and the structure of making an uproar is fallen in this design not setting up on the motor, and the design is rigorous inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a multistage centrifugal pump with a good noise reduction effect, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a multistage centrifugal pump that noise reduction effect is good, includes the bottom plate, still includes shock-absorbing structure and falls the structure of making an uproar, surface mounting has shock-absorbing structure on the bottom plate, shock-absorbing structure specifically comprises backing plate, spring box, traveller, chassis, fastening bolt and base, surface mounting has the base on the bottom plate, surface mounting has the chassis on the base, surface threaded connection has fastening bolt on the chassis, fixed surface is connected with the traveller on the chassis, traveller surface sliding connection has the spring box, surface mounting has the backing plate on the spring box.
Further, a fixing plate is mounted on the upper surface of the bottom plate, a fixing bolt is connected to the upper surface of the fixing plate in a threaded manner, and a fixing ring is fixedly connected to the upper surface of the fixing plate; the shell is fixed through the fixing ring, and the fixing plate is fixed on the bottom plate through the fixing bolt, so that the shell is fixed.
Furthermore, the inner surface of the fixing ring is sleeved with a noise reduction structure, the noise reduction structure specifically comprises a shell, a sound insulation material and a motor, the inner surface of the fixing ring is sleeved with the shell, the sound insulation material is installed on the inner surface of the shell, and the motor is installed on the inner surface of the shell; and a sound insulation material is arranged in the shell on the outer surface of the motor, so that the noise generated by the motor is reduced through the sound insulation material.
Further, a rotating shaft is mounted at the power output end of the motor, a bearing box is mounted on the right side of the rotating shaft, and a pump body is mounted on the right side of the bearing box; the motor drives the rotating shaft to rotate, and the pump body is driven to operate through the connection of the rotating shaft and the bearing box.
Furthermore, a water inlet groove is formed in the upper surface of the pump body, and a water outlet groove is formed in the right side of the pump body; the pump body operates to feed water from the water inlet groove and then is discharged from the water outlet groove, so that the pumping effect is realized.
Compared with the prior art, the utility model has the following beneficial effects: can produce vibrations at the centrifugal pump operation in-process, vibrations in-process centrifugal pump and bottom plate can the noise take place, through on the base surface mounting chassis and fix on the bottom plate with fastening bolt, through at backing plate bottom installation spring box, utilize the sliding connection of spring box and traveller, realize the shock attenuation effect to the pump body, thereby the noise that produces when reducing the centrifugal pump and using, at the shell internally mounted sound-proof material of motor surface, reduce the noise that the motor produced through sound-proof material.
Drawings
Fig. 1 is a schematic view of the overall structure of a multistage centrifugal pump with a good noise reduction effect.
Fig. 2 is a schematic view of a partially enlarged structure of a multi-stage centrifugal pump damping structure with a good noise reduction effect.
Fig. 3 is a schematic diagram of a partially enlarged structure of a noise reduction structure of a multistage centrifugal pump with a good noise reduction effect.
In the figure: 1. a noise reduction structure; 2. a fixing ring; 3. a fixing plate; 4. fixing the bolt; 5. a rotating shaft; 6. a bearing housing; 7. a shock-absorbing structure; 8. a pump body; 9. a water outlet groove; 10. a base plate; 11. a water inlet groove; 101. a housing; 102. a sound insulating material; 103. a motor; 701. a base plate; 702. a spring box; 703. a traveler; 704. a chassis; 705. fastening a bolt; 706. a base.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-3, a multistage centrifugal pump with good noise reduction effect comprises a base plate 10, a damping structure 7 and a noise reduction structure 1, wherein the damping structure 7 is mounted on the upper surface of the base plate 10, the damping structure 7 specifically comprises a base plate 701, a spring box 702, a sliding column 703, a base plate 704, a fastening bolt 705 and a base 706, the base plate 10 is provided with the base 706 on surface, the base plate 706 is provided with the base plate 704 on surface, the base plate 704 is provided with the fastening bolt 705 on surface in threaded connection, the sliding column 703 is fixedly connected on surface of the base plate 704, the spring box 702 is connected on surface of the sliding column 703 in sliding connection, and the base plate 701 is mounted on surface of the spring box 702.
The upper surface of the bottom plate 10 is provided with a fixing plate 3, the upper surface of the fixing plate 3 is in threaded connection with a fixing bolt 4, and the upper surface of the fixing plate 3 is fixedly connected with a fixing ring 2; the housing 101 is fixed by fixing the housing 101 to the fixing ring 2 and fixing the fixing plate 3 to the base plate 10 by the fixing bolt 4, thereby fixing the housing 101.
The inner surface of the fixing ring 2 is sleeved with a noise reduction structure 1, the noise reduction structure 1 specifically comprises a shell 101, a sound insulation material 102 and a motor 103, the inner surface of the fixing ring 2 is sleeved with the shell 101, the sound insulation material 102 is mounted on the inner surface of the shell 101, and the motor 103 is mounted on the inner surface of the shell 101; a sound insulating material 102 is installed inside the casing 101 on the outer surface of the motor 103, and noise generated from the motor 103 is reduced by the sound insulating material 102.
The power output end of the motor 103 is provided with a rotating shaft 5, the right side of the rotating shaft 5 is provided with a bearing box 6, and the right side of the bearing box 6 is provided with a pump body 8; the motor 103 drives the rotating shaft 5 to rotate, and drives the pump body 8 to operate through the connection of the rotating shaft 5 and the bearing box 6.
The upper surface of the pump body 8 is provided with a water inlet groove 11, and the right side of the pump body 8 is provided with a water outlet groove 9; the pump body 8 operates to feed water from the water inlet groove 11 and then is discharged from the water outlet groove 9, so that the pumping effect is realized.
It should be noted that, the multistage centrifugal pump with good noise reduction effect of the present invention, when in operation, is fixed on the bottom plate 10 by installing the bottom plate 704 on the upper surface of the base 706 and fastening bolts 705, the spring box 702 is arranged at the bottom end of the base plate 701, and the damping effect on the pump body 8 is realized by utilizing the sliding connection between the spring box 702 and the sliding column 703, so that the noise generated when the centrifugal pump is used is reduced, a soundproof material 102 is installed inside the housing 101 on the outer surface of the motor 103, noise generated from the motor 103 is reduced by the soundproof material 102, the casing 101 is fixed by the fixing ring 2, the fixing plate 3 is fixed on the bottom plate 10 by the fixing bolt 4, thereby fixed shell 101, motor 103 drive pivot 5 and rotate, through the connection of pivot 5 and bearing housing 6, drive the operation of the pump body 8, the pump body 8 operation is intake from intake chamber 11, is discharged by play basin 9 again, realizes the extraction effect.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a multistage centrifugal pump that noise reduction effect is good, includes bottom plate (10), its characterized in that still includes shock-absorbing structure (7) and falls structure (1) of making an uproar, surface mounting has shock-absorbing structure (7) on bottom plate (10), shock-absorbing structure (7) specifically comprise backing plate (701), spring box (702), traveller (703), chassis (704), fastening bolt (705) and base (706), surface mounting has base (706) on bottom plate (10), surface mounting has chassis (704) on base (706), surface threaded connection has fastening bolt (705) on chassis (704), fixed surface is connected with traveller (703) on chassis (704), traveller (703) surface sliding connection has spring box (702), surface mounting has backing plate (701) on spring box (702).
2. The multistage centrifugal pump with good noise reduction effect as claimed in claim 1, wherein: the improved fixing device is characterized in that a fixing plate (3) is mounted on the upper surface of the base plate (10), a fixing bolt (4) is connected to the upper surface of the fixing plate (3) in a threaded mode, and a fixing ring (2) is fixedly connected to the upper surface of the fixing plate (3).
3. The multistage centrifugal pump with good noise reduction effect as claimed in claim 2, wherein: the utility model discloses a structure of making an uproar (1) falls in solid fixed ring (2) internal surface cup jointed, fall structure of making an uproar (1) and specifically constitute by shell (101), acoustic barrier material (102) and motor (103), gu fixed ring (2) internal surface cup jointed shell (101), shell (101) internal surface mounting has acoustic barrier material (102), shell (101) internal surface mounting has motor (103).
4. The multistage centrifugal pump with good noise reduction effect as claimed in claim 3, wherein: the motor (103) power take off end installs pivot (5), bearing box (6) are installed on pivot (5) right side, the pump body (8) are installed on bearing box (6) right side.
5. The multistage centrifugal pump with good noise reduction effect as claimed in claim 4, wherein: the water inlet groove (11) is formed in the upper surface of the pump body (8), and the water outlet groove (9) is formed in the right side of the pump body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122441818.5U CN216407300U (en) | 2021-10-11 | 2021-10-11 | Multistage centrifugal pump with good noise reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122441818.5U CN216407300U (en) | 2021-10-11 | 2021-10-11 | Multistage centrifugal pump with good noise reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407300U true CN216407300U (en) | 2022-04-29 |
Family
ID=81295972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122441818.5U Active CN216407300U (en) | 2021-10-11 | 2021-10-11 | Multistage centrifugal pump with good noise reduction effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407300U (en) |
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2021
- 2021-10-11 CN CN202122441818.5U patent/CN216407300U/en active Active
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