CN209976907U - Noise reduction device of glass fiber reinforced plastic centrifugal pump - Google Patents
Noise reduction device of glass fiber reinforced plastic centrifugal pump Download PDFInfo
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- CN209976907U CN209976907U CN201920489534.3U CN201920489534U CN209976907U CN 209976907 U CN209976907 U CN 209976907U CN 201920489534 U CN201920489534 U CN 201920489534U CN 209976907 U CN209976907 U CN 209976907U
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- centrifugal pump
- support
- motor
- base
- noise reduction
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Abstract
The utility model discloses a device of making an uproar falls in glass steel centrifugal pump, including centrifugal pump body and public support, motor fixed bolster and the fixed spiro union of base on the centrifugal pump body, the isolator fixed connection at four legs and base top of motor fixed bolster left and right sides through symmetry spiro union, the base is through four rubber shock mount and the fixed spiro union of horizontal L shape support, the isolator includes mounting panel, lower mounting panel and rubber spring support, go up mounting panel bottom U-shaped fixed plate and down through the clamping screw spiro union between the mounting panel top U-shaped fixed plate, the bottom plate and the fixed spiro union of last mounting panel of leg, mounting panel and the fixed spiro union of base down. The utility model discloses a isolator and rubber shock absorber support carry out double-deck shock attenuation to the motor to effectively reduce the mechanical vibration that the motor arouses and the air noise that motor vibration arouses, the damping noise reduction is effectual.
Description
Technical Field
The utility model belongs to the technical field of the glass steel centrifugal pump, concretely relates to glass steel centrifugal pump noise reduction device.
Background
The pump type equipment is a fluid machine commonly applied in a ship pipeline system and is also a main vibration noise source of the pipeline system. The operation of a centrifugal pump is in fact a process of energy transfer and transformation, in which there is a loss of energy, in the form of vibrations of the pump body and of air noise generated by the vibrations of the pump group. The vibration noise can be transmitted through a plurality of ways such as a pump unit base, pump unit inlet and outlet flanges, pipeline wall surfaces, flowing media in pipes, a pipeline supporting system, a cabin and a boat body, and finally underwater noise is formed. Therefore, if the vibration noise of the marine centrifugal pump can be effectively reduced, the underwater radiation noise of the ship can be effectively reduced from the source.
In the installation process of a vertical centrifugal pump in the prior art, mechanical vibration caused by a motor and air noise caused by the vibration of the motor are difficult to solve, and therefore the glass fiber reinforced plastic centrifugal pump noise reduction device which can reduce the vibration of the motor and the air noise caused by the vibration and has a good damping and noise reduction effect is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of making an uproar falls in glass steel centrifugal pump to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a noise reduction device of a glass fiber reinforced plastic centrifugal pump comprises a centrifugal pump body and a public support, wherein a motor fixing support fixedly sleeved on the outer side surface of the motor on the centrifugal pump body is fixedly connected with a base through a bolt, the left side and the right side of the motor fixing support are fixedly connected with a vibration isolator fixedly arranged on the top of the base through four machine legs of symmetrical bolts, four rubber damping supports at four corners of the base are fixedly connected with a horizontal L-shaped support at the inner side of the public support through bolts, the vibration isolator comprises an upper mounting plate, a lower mounting plate and six rubber spring supports of which the upper end and the lower end are respectively connected with the upper mounting plate and the lower mounting plate through bolts, two U-shaped fixing plates are symmetrically fixed on the front side and the rear side of the bottom of the upper mounting plate, two inverted U-shaped fixing plates are symmetrically arranged on the front side and the rear side, the bottom plate of the machine leg is fixedly connected with the upper mounting plate in a threaded manner, and the lower mounting plate is fixedly connected with the base in a threaded manner.
The arrangement, on one hand, utilizes the vibration isolator to carry out primary damping on the vibration generated by the motor shell, on the other hand, utilizes the rubber damping support to carry out secondary damping on the vibration generated by the motor shell, not only has good damping effect when the motor shell is fixedly installed, but also can carry out damping and noise reduction on air noise generated by the primary mechanical vibration of mechanical vibration when the motor operates, has good damping effect and good noise reduction effect, increases the stability and the stable supporting performance of rigid connection of the vibration isolator due to the arrangement of the upper mounting plate, the lower mounting plate, the U-shaped fixing plate, the inverted U-shaped fixing plate and the fixing screw rod of the vibration isolator, increases the damping of the vibration isolator on the motor, has good damping effect, the motor fixing support is fixedly connected with the vibration isolator through a machine foot, the vibration isolator is fixedly connected with the base, and the base is connected with the horizontal, the horizontal L-shaped support is fixedly screwed on the public support, so that the installation is convenient, the installation is stable, and the double-layer damping effect is achieved.
Preferably, four vibration isolators are vertically and symmetrically arranged one by one.
Preferably, the motor fixing support is of an inverted T-shaped sleeve structure.
Preferably, the public support is a U-shaped support, the left side and the right side of the U-shaped support are fixedly provided with fixing flanges, and the fixing flanges are fixedly provided with fixing mounting holes.
Preferably, the machine leg is of a hollow right-angled triangular groove structure, and the left side of the machine leg is fixedly connected with the motor fixing support through a bolt.
Preferably, a reinforcing plate is fixedly arranged at the bottom of the inverted U-shaped fixing plate.
The utility model discloses a technological effect and advantage: this device of making an uproar falls in glass steel centrifugal pump, on the one hand, utilize the isolator to carry out the one-level shock attenuation to the vibration that motor casing produced, on the other hand, utilize rubber shock mount to carry out the second grade shock attenuation to the vibration that motor casing produced, not only vibration damping effect when fixed is installed to motor casing is good, but also can carry out vibration/noise reduction to the air noise that mechanical vibration one-level mechanical vibration produced when the motor functions, vibration damping effect is good and noise reduction effect is good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the centrifugal pump body of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a centrifugal pump body; 2. a common support; 3. a motor fixing bracket; 4. a base; 5. a machine leg; 6. a vibration isolator; 7. a rubber shock-absorbing support; 8. a horizontal L-shaped bracket; 9. fixing the flanging; 10. an upper mounting plate; 11. a lower mounting plate; 12. a rubber spring support; 13. a U-shaped fixing plate; 14. an inverted U-shaped fixing plate; 15. fixing the screw rod; 16. a reinforcing plate.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a noise reduction device of a glass fiber reinforced plastic centrifugal pump as shown in figures 1-3, which comprises a centrifugal pump body 1 and a public support 2, wherein a motor fixing support 3 fixedly sleeved on the outer side surface of the motor on the centrifugal pump body 1 is fixedly connected with a base 4 in a screw joint manner, the left side and the right side of the motor fixing support 3 are fixedly connected with a vibration isolator 6 fixedly arranged on the top of the base 4 through four machine legs 5 in a symmetrical screw joint manner, four corners of the base 4 are fixedly connected with a horizontal L-shaped support 8 on the inner side of the public support 2 in a screw joint manner through four rubber shock absorption supports 7 in a screw joint manner, the vibration isolator 6 comprises an upper mounting plate 10, a lower mounting plate 11 and six rubber spring supports 12, the upper end and the lower end of which are respectively connected with the upper mounting plate 10 and the lower mounting plate, bilateral symmetry is equipped with two U-shaped fixed plates 14 around 11 tops of lower mounting panel, and the longitudinal symmetry sets up through two fixing screw 15 spiro unions between U-shaped fixed plate 13 and the U-shaped fixed plate 14, the bottom plate of undercarriage 5 and the fixed spiro union of last mounting panel 10, mounting panel 11 and the fixed spiro union of base 4 down.
Specifically, four vibration isolators 6 are vertically and symmetrically arranged one by one.
Specifically, the motor fixing support 3 is of an inverted T-shaped sleeve structure.
Specifically, the public support 2 is a U-shaped support, the left side and the right side of the U-shaped support are fixedly provided with fixed flanges 9, and the fixed flanges 9 are fixedly provided with fixed mounting holes.
Specifically, the machine leg 5 is a hollow right-angled triangular groove structure, and the left side of the machine leg 5 is fixedly connected with the motor fixing support 3 through a bolt.
Specifically, a reinforcing plate 16 is fixedly arranged at the bottom of the inverted U-shaped fixing plate 14.
The noise reduction device of the glass fiber reinforced plastic centrifugal pump has the advantages that on one hand, vibration generated by the motor shell is subjected to primary damping by the vibration isolator 6, on the other hand, vibration generated by the motor shell is subjected to secondary damping by the rubber damping support 7, not only the vibration reduction effect is good when the motor shell is fixedly installed, but also the vibration reduction and noise reduction can be carried out on air noise generated by primary mechanical vibration of mechanical vibration when the motor operates, the vibration reduction effect is good, the upper mounting plate 10, the lower mounting plate 11, the U-shaped fixing plate 13, the inverted U-shaped fixing plate 14 and the fixing screw 15 are arranged on the vibration isolator 6, the stability of rigid connection and the stable supporting performance of the vibration isolator 6 are improved, the vibration reduction effect of the vibration isolator 6 on the motor is good, the motor fixing support 3 is fixedly connected with, isolator 6 and base 4 fixed connection, base 4 is connected with horizontal L shape support 8 again through rubber shock mount 7, and horizontal L shape support 8 fixed spiro union is on public support 2, simple to operate, and the installation is stable, and has double-deck shock attenuation effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a device of making an uproar falls in glass steel centrifugal pump, includes centrifugal pump body (1) and public support (2), its characterized in that: the centrifugal pump comprises a centrifugal pump body (1), a motor fixing support (3) fixedly sleeved on the outer side face of the motor and a base (4) are fixedly connected in a threaded manner, the left side and the right side of the motor fixing support (3) are fixedly connected with a vibration isolator (6) fixedly arranged at the top of the base (4) through four machine legs (5) of symmetrical threaded connection, four corners of the base (4) are fixedly connected with a horizontal L-shaped support (8) on the inner side of a public support (2) through four rubber damping supports (7) of threaded connection, the vibration isolator (6) comprises an upper mounting plate (10), a lower mounting plate (11) and six rubber spring supports (12) of which the upper end and the lower end are respectively in threaded connection with the upper mounting plate (10) and the lower mounting plate (11), two U-shaped fixing plates (13) are fixedly arranged on the front side and the rear side of the bottom of the upper mounting plate (10) in a symmetrical manner, the U-shaped fixing plate (13) and the inverted U-shaped fixing plate (14) are symmetrically arranged up and down, the bottom plate of the machine leg (5) is fixedly connected with the upper mounting plate (10) through two fixing screw rods (15) in a screwed mode, and the lower mounting plate (11) is fixedly connected with the base (4) in a screwed mode.
2. The noise reduction device of a glass reinforced plastic centrifugal pump according to claim 1, wherein: the four vibration isolators (6) are vertically and symmetrically arranged one by one.
3. The noise reduction device of a glass reinforced plastic centrifugal pump according to claim 1, wherein: the motor fixing support (3) is of an inverted T-shaped sleeve structure.
4. The noise reduction device of a glass reinforced plastic centrifugal pump according to claim 1, wherein: the public support (2) is a U-shaped support, the left side and the right side of the U-shaped support are fixedly provided with fixing flanges (9), and the fixing flanges (9) are fixedly provided with fixing mounting holes.
5. The noise reduction device of a glass reinforced plastic centrifugal pump according to claim 1, wherein: the machine leg (5) is of a hollow right-angled triangular groove structure, and the left side of the machine leg (5) is fixedly connected with the motor fixing support (3) through a bolt.
6. The noise reduction device of a glass reinforced plastic centrifugal pump according to claim 1, wherein: and a reinforcing plate (16) is fixedly arranged at the bottom of the inverted U-shaped fixing plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489534.3U CN209976907U (en) | 2019-04-12 | 2019-04-12 | Noise reduction device of glass fiber reinforced plastic centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489534.3U CN209976907U (en) | 2019-04-12 | 2019-04-12 | Noise reduction device of glass fiber reinforced plastic centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976907U true CN209976907U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489534.3U Expired - Fee Related CN209976907U (en) | 2019-04-12 | 2019-04-12 | Noise reduction device of glass fiber reinforced plastic centrifugal pump |
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| CN (1) | CN209976907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879496A (en) * | 2021-03-16 | 2021-06-01 | 中国船舶重工集团公司第七一九研究所 | Vibration isolation device and vibration isolation system for electric pump |
-
2019
- 2019-04-12 CN CN201920489534.3U patent/CN209976907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879496A (en) * | 2021-03-16 | 2021-06-01 | 中国船舶重工集团公司第七一九研究所 | Vibration isolation device and vibration isolation system for electric pump |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |