CN220956090U

CN220956090U - Long-shaft seawater fire pump

Info

Publication number: CN220956090U
Application number: CN202322788019.4U
Authority: CN
Inventors: 戴恒国; 戴艾艾
Original assignee: Nanjing Huanya Pump Co ltd
Current assignee: Nanjing Huanya Pump Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-05-14
Anticipated expiration: 2033-10-18

Abstract

The utility model discloses a long-shaft seawater fire pump, which belongs to the technical field of fire-fighting equipment and adopts the technical scheme that the long-shaft seawater fire pump comprises a mounting seat, wherein a motor is bolted to the top of the mounting seat, the bottom of the mounting seat is fixedly connected with a shell, the side wall of the shell is communicated with a side pipe, the periphery of the motor is provided with a noise reduction mechanism, a driving assembly is arranged in the shell, and when the long-shaft seawater fire pump is used, as the inside of the first PVC spiral noise reduction pipe is of a spiral structure, peaks and troughs are formed, noise generated by the motor in the working process can rebound back and forth in the peaks and troughs, the effects of reducing and blocking the noise generated by the motor in the working process are achieved, and through the arrangement of the heat dissipation assembly, hot air generated by the motor in the working process can be radiated, and meanwhile, the noise of part of the motor passing through a heat dissipation hole can be reduced.

Description

Long-shaft seawater fire pump

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a long-shaft seawater fire pump.

Background

The fire pump is used for fire control, water is pumped to a required position from a water source through the water pump, a great effect is achieved in fire control and extinguishment, the water source is deeper in some places, the common fire pump can not pump the water, the long-shaft fire pump can submerge the impeller in deep water, the power machine drives the water pump impeller to rotate through long-shaft transmission on the ground, vacuum water suction is formed at the inlet of the impeller, and after the impeller generates pressure, the water flows to the ground through the water delivery pipe, so that the water pumping efficiency is greatly improved.

The existing long-axis seawater fire pump needs to be disassembled when in maintenance, the process is quite troublesome, the maintenance time is too long, the pump is long in downtime, and fire safety hazards are increased.

The current announcements are: CN219432065U discloses a long shaft fire pump, which is characterized in that a locking structure is arranged at the joint of the motor and the mounting seat, so that the motor and the mounting seat are fixed more firmly, and the motor and the mounting seat are convenient to detach, and the motor and the mounting seat are separated more simply through the cooperation of the first clamping block, the second clamping block and the wedge-shaped block, so that the maintenance efficiency of the motor is improved, and the maintenance time is shortened.

In view of the above problems, prior patents have provided solutions, but motors in fire pumps cannot block and eliminate noise generated by the motors during operation, noise generated by long-time operation of the motors affects ears of workers, and workers with excessive noise hear each other with no clear indication of each other.

Therefore, a long-axis seawater fire pump is provided.

Disclosure of utility model

1. Technical problem to be solved

The utility model provides a long-axis seawater fire pump, which aims to solve the problems that the existing long-axis seawater fire pump cannot block and eliminate noise generated by a motor in the fire pump in the working process, the ears of workers can be affected by the noise generated by the motor working for a long time, and the workers cannot hear each other due to overlarge noise.

2. Technical proposal

The utility model is realized in such a way, the long-axis seawater fire pump comprises a mounting seat, wherein the top of the mounting seat is bolted with a motor, the bottom of the mounting seat is fixedly connected with a shell, the side wall of the shell is communicated with a side pipe, the periphery of the motor is provided with a noise reduction mechanism, and the interior of the shell is provided with a driving assembly;

The noise reduction mechanism comprises a noise reduction shell, a noise reduction cavity, a first PVC spiral noise reduction pipe, noise reduction cotton and a heat radiation component, wherein the noise reduction shell is sleeved on the periphery of the motor and is bolted to the top of the mounting seat, the noise reduction cavity is annularly arranged in the noise reduction shell, the first PVC spiral noise reduction pipe is fixedly connected to one side wall of the noise reduction cavity, the noise reduction cotton is fixedly connected to the other side wall of the noise reduction cavity, and the heat radiation component is arranged at the top of the noise reduction shell.

In order to discharge a large amount of hot air generated during motor operation through the heat dissipation cavity through the heat dissipation holes, a small part of the noise is discharged through the heat dissipation holes, and the second PVC spiral silencing pipe can reduce the noise.

In order to output seawater through the side pipe through the shell, and the filter screen can filter the extracted seawater, as a preferable long-axis seawater fire pump of the utility model, the driving assembly comprises a rotating shaft, fan blades, a flange and the filter screen, one end of the rotating shaft is fixedly connected with the output end of the motor and penetrates through the mounting seat, the three fan blades are fixedly connected with the other end of the rotating shaft and uniformly distributed at equal intervals, the flange is fixedly connected with one end of the side pipe, and the filter screen is fixedly connected with the bottom of the shell.

In order to improve the working efficiency of the installation of the noise reduction shell and the installation seat and improve the stability between the noise reduction shell and the installation seat, the long-axis seawater fire pump is preferable in the utility model, the bottom of the noise reduction shell is fixedly connected with an annular positioning block, and the top of the installation seat is provided with an annular positioning groove which is spliced with the annular positioning block.

In order to seal the joint of the noise reduction shell and the mounting seat and prevent noise from leaking out of a gap, the long-shaft seawater fire pump is preferable in the utility model, a sealing ring matched with an annular positioning block for use is arranged between the noise reduction shell and the mounting seat, and the sealing ring is fixedly connected with the bottom of the noise reduction shell.

In order to accelerate the heat dissipation rate, as a preferable long-axis seawater fire pump of the utility model, one end of the heat dissipation hole is provided with a flaring part, and the opening of the flaring part from one end of the heat dissipation hole to the other end is gradually reduced.

In order to improve the stability of the rotating shaft in the rotating process and avoid the condition that the rotating shaft swings randomly, the long-shaft seawater fire pump is preferable in the utility model, a fixing frame is connected with a peripheral bearing of the rotating shaft, and two ends of the fixing frame are fixedly connected with the inner side wall of the shell respectively.

In order to carry out dustproof filtering treatment on air entering the heat dissipation cavity from the outside, the long-axis seawater fire pump is preferable, and the inner side wall of the heat dissipation cavity is fixedly connected with a dustproof plate.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the noise reduction mechanism is arranged, and the first PVC spiral silencing pipe is internally of a spiral structure, so that wave crests and wave troughs are formed, noise generated by a motor in the working process can rebound back and forth in the wave crests and the wave troughs, the effects of reducing and blocking the noise generated by the motor in the working process are achieved, and further the problems that the motor in the fire pump in the prior art cannot block and eliminate the noise generated by the motor in the working process, the ears of workers can be influenced by the noise generated by the motor in long-time working, and the staff can not hear each other clearly due to excessive noise are solved.

2. According to the utility model, the heat radiation assembly is arranged, so that hot air generated by the motor during operation can be radiated, and meanwhile, the noise of part of the noise discharged through the heat radiation holes can be reduced, and the problem that the heat radiation effect of the motor during operation in the prior art is poor is effectively solved.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a schematic view of the perspective section at A-A of the present utility model;

FIG. 4 is a schematic diagram of a noise reduction mechanism of the present utility model;

FIG. 5 is a schematic diagram of a heat dissipating assembly according to the present utility model;

FIG. 6 is a schematic diagram of a drive assembly of the present utility model;

FIG. 7 is a schematic view of an annular locating block, an annular locating groove, a seal ring and a dust guard of the present utility model;

FIG. 8 is a schematic view of a flared portion of the present utility model.

The reference numerals in the figures illustrate:

1. A mounting base; 2. a motor; 3. a housing; 4. a side pipe; 5. a noise reduction mechanism; 501. a noise reduction housing; 502. a sound deadening chamber; 503. a first PVC spiral muffler pipe; 504. silencing cotton; 505. a heat dissipation assembly; 5051. a heat dissipation cavity; 5052. a heat radiation hole; 5053. a second PVC spiral muffler pipe; 5054. a sleeve; 6. a drive assembly; 601. a rotating shaft; 602. a fan blade; 603. a flange; 604. a filter screen; 7. an annular positioning block; 8. an annular positioning groove; 9. a seal ring; 10. a flared portion; 11. a fixing frame; 12. a dust-proof plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-8, the present utility model provides the following technical solutions: the long-axis seawater fire pump comprises a mounting seat 1, wherein a motor 2 is bolted to the top of the mounting seat 1, a shell 3 is fixedly connected to the bottom of the mounting seat 1, side pipes 4 are communicated with the side walls of the shell 3, a noise reduction mechanism 5 is arranged on the periphery of the motor 2, and a driving assembly 6 is arranged in the shell 3;

Noise reduction mechanism 5 includes noise reduction shell 501, amortization chamber 502, first PVC spiral amortization pipe 503, amortization cotton 504 and radiator unit 505, noise reduction shell 501 cup joints in the periphery of motor 2 and the bolt is at the top of mount pad 1, amortization chamber 502 annular is offered in the inside of noise reduction shell 501, first PVC spiral amortization pipe 503 fixed connection is in one lateral wall in amortization chamber 502, amortization cotton 504 fixed connection is in the other lateral wall in amortization chamber 502, radiator unit 505 sets up in the top of noise reduction shell 501.

In this embodiment: through setting up shell 501 of making an uproar falls, amortization chamber 502, first PVC spiral amortization pipe 503, amortization cotton 504, radiator unit 505 and drive assembly 6, when using, because first PVC spiral amortization pipe 503 is inside to be helix, thereby form crest and trough, the noise that motor 2 produced more can reciprocate the resilience in crest and trough in the course of the work, the effect of making an uproar and separation fall the noise that motor 2 produced in the course of the work has been reached, through setting up radiator unit 505, can dispel the heat the hot-blast that motor 2 produced at the during operation, also can make an uproar the effect of making an uproar to the noise that a part goes out through louvre 5052 simultaneously, through setting up drive assembly 6, be convenient for take out the sea water from side pipe 4 through casing 3, can carry out filtration treatment to the sea water that draws simultaneously.

As a technical optimization scheme of the present utility model, the heat dissipating component 505 includes a heat dissipating cavity 5051, heat dissipating holes 5052, a second PVC spiral muffler 5053 and a sleeve 5054, the heat dissipating cavity 5051 is opened at the top of the noise reducing housing 501, the heat dissipating holes 5052 are opened at the inner bottom of the heat dissipating cavity 5051 and penetrate through the noise reducing housing 501, the heat dissipating holes 5052 are multiple and uniformly distributed on the inner bottom of the heat dissipating cavity 5051 at equal intervals, and the second PVC spiral muffler 5053 is fixedly connected to the inner bottom of the heat dissipating cavity 5051 and is respectively matched with the heat dissipating holes 5052, and the sleeve 5054 is sleeved on the periphery of the second PVC spiral muffler 5053.

In this embodiment: through setting up heat dissipation chamber 5051, louvre 5052, second PVC spiral amortization pipe 5053 and sleeve pipe 5054, the produced a large amount of hot-blast of motor 2 during operation can be discharged through heat dissipation chamber 5051 through louvre 5052, and the noise that the fractional portion was gone out through louvre 5052, second PVC spiral amortization pipe 5053 can fall to this part noise and make an uproar.

As a technical optimization scheme of the utility model, the driving assembly 6 comprises a rotating shaft 601, fan blades 602, a flange 603 and a filter screen 604, one end of the rotating shaft 601 is fixedly connected to the output end of the motor 2 and penetrates through the mounting seat 1, the three fan blades 602 are fixedly connected to the other end of the rotating shaft 601 and uniformly distributed at equal intervals, the flange 603 is fixedly connected to one end of the side pipe 4, and the filter screen 604 is fixedly connected to the bottom of the shell 3.

In this embodiment: through setting up axis of rotation 601, flabellum 602, flange 603 and filter screen 604, starter motor 2 drives axis of rotation 601 and flabellum 602 and rotates to can export the sea water through side pipe 4 through casing 3, and filter screen 604 can carry out filtration treatment to the sea water that draws.

As a technical optimization scheme of the utility model, the bottom of the noise reduction shell 501 is fixedly connected with an annular positioning block 7, and the top of the mounting seat 1 is provided with an annular positioning groove 8 which is spliced with the annular positioning block 7.

In this embodiment: through setting up annular locating piece 7 and annular constant head tank 8, when noise reduction shell 501 carries out the bolt with mount pad 1, noise reduction shell 501 can peg graft mutually through annular locating piece 7 and annular constant head tank 8 on the mount pad 1 top to can improve noise reduction shell 501 and mount pad 1 and install work efficiency, improve simultaneously and fall the stability between shell 501 and the mount pad 1.

As a technical optimization scheme of the utility model, a sealing ring 9 matched with the annular positioning block 7 is arranged between the noise reduction shell 501 and the mounting seat 1, and the sealing ring 9 is fixedly connected with the bottom of the noise reduction shell 501.

In this embodiment: by providing the seal ring 9, the joint between the noise reduction housing 501 and the mount 1 can be sealed, and noise leakage from the gap can be avoided.

As a technical optimization scheme of the present utility model, one end of the heat dissipation hole 5052 is provided with the flaring portion 10, and the opening of the flaring portion 10 from one end of the heat dissipation hole 5052 to the other end is gradually reduced.

In this embodiment: by providing the expansion part 10, the effect of accelerating the heat dissipation rate is achieved.

As a technical optimization scheme of the utility model, a fixing frame 11 is connected with a peripheral bearing of a rotating shaft 601, and two ends of the fixing frame 11 are fixedly connected with the inner side wall of a shell 3 respectively.

In this embodiment: by arranging the fixing frame 11, the stability of the rotating shaft 601 in the rotating process can be improved, and the condition that the rotating shaft 601 swings randomly is avoided.

As a technical optimization scheme of the present utility model, the inner sidewall of the heat dissipation cavity 5051 is fixedly connected with the dust-proof plate 12.

In this embodiment: by providing the dust-proof plate 12, dust-proof filtration treatment can be performed on the air that enters the inside of the heat dissipation chamber 5051 from the outside.

Working principle: firstly, the motor 2 is fixed at the top of the mounting seat 1 through bolts, the noise reduction shell 501 is sleeved on the periphery of the motor 2, at the moment, the noise reduction shell 501 is spliced with an annular positioning groove 8 on the top of the mounting seat 1 through an annular positioning block 7, then the noise reduction shell 501 and the mounting seat 1 are fixed through bolts, the motor 2 is started to drive a rotating shaft 601 and fan blades 602 to rotate, so that seawater can be output through a side pipe 4 through a shell 3, a filter screen 604 can filter the extracted seawater, noise can be generated in the motor 2 in the working process, the generated noise can be transmitted in the noise reduction shell 501, most of the noise can be transmitted into a first PVC spiral noise reduction pipe 503 in a noise reduction cavity 502, and the interiors of the first PVC spiral noise reduction pipe 503 and a second PVC spiral noise reduction pipe 5053 are of spiral structures, thus form crest and trough, the noise that motor 2 work produced can reciprocate in crest and trough and rebound, partial noise can disappear in reciprocating rebound, the noise that does not disappear is handled by the amortization cotton 504 through first PVC spiral amortization pipe 503, the effect of making an uproar falls to the noise that motor 2 work produced has been reached, motor 2 can produce a large amount of hot-blast in the course of the work, hot-blast can pass through the louvre 5052 through the expansion portion 10 and arrive the heat dissipation chamber 5051 in, and then pass through dust guard 12 and arrange outside, the noise of minority also can pass through louvre 5052 way second PVC spiral amortization pipe 5053, second PVC spiral amortization pipe 5053 can make an uproar to this partial noise, second PVC spiral amortization pipe 5053 outlying sleeve pipe 5054 can support it, prevent that second PVC spiral amortization pipe 5053 time from appearing drooping the circumstances of drawing.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a major axis sea water fire pump, includes mount pad (1), its characterized in that: the motor is connected with the top of the mounting seat (1) in a bolting mode, the bottom of the mounting seat (1) is fixedly connected with a shell (3), side pipes (4) are communicated with the side walls of the shell (3), a noise reduction mechanism (5) is arranged on the periphery of the motor (2), and a driving assembly (6) is arranged in the shell (3);

Noise reduction mechanism (5) are including noise reduction shell (501), amortization chamber (502), first PVC spiral amortization pipe (503), amortization cotton (504) and radiator unit (505), noise reduction shell (501) cup joint in the periphery of motor (2) and bolt in the top of mount pad (1), noise reduction chamber (502) annular are seted up in the inside of noise reduction shell (501), first PVC spiral amortization pipe (503) fixed connection is in a lateral wall in noise reduction chamber (502), another lateral wall in noise reduction chamber (502) fixed connection is in to amortization cotton (504), radiator unit (505) set up in the top of noise reduction shell (501).

2. A long axis seawater fire pump as claimed in claim 1, wherein: the heat dissipation assembly (505) comprises a heat dissipation cavity (5051), heat dissipation holes (5052), a second PVC spiral silencing pipe (5053) and a sleeve (5054), wherein the heat dissipation cavity (5051) is formed in the top of the noise reduction shell (501), the heat dissipation holes (5052) are formed in the inner bottom of the heat dissipation cavity (5051) and penetrate through the noise reduction shell (501), the heat dissipation holes (5052) are distributed uniformly on the circumference of the inner bottom of the heat dissipation cavity (5051) at equal intervals, the second PVC spiral silencing pipes (5053) are fixedly connected to the inner bottom of the heat dissipation cavity (5051) and are respectively matched with the heat dissipation holes (5052), and the sleeve (5054) is sleeved on the periphery of the second PVC spiral silencing pipe (5053).

3. A long axis seawater fire pump as claimed in claim 1, wherein: the driving assembly (6) comprises a rotating shaft (601), fan blades (602), flanges (603) and a filter screen (604), one end of the rotating shaft (601) is fixedly connected to the output end of the motor (2) and penetrates through the mounting seat (1), the three fan blades (602) are fixedly connected to the other end of the rotating shaft (601) and are uniformly distributed at equal intervals, the flanges (603) are fixedly connected to one end of the side pipe (4), and the filter screen (604) is fixedly connected to the bottom of the shell (3).

4. A long axis seawater fire pump as claimed in claim 1, wherein: the bottom of the noise reduction shell (501) is fixedly connected with an annular positioning block (7), and an annular positioning groove (8) which is spliced with the annular positioning block (7) is formed in the top of the mounting seat (1).

5. A long axis seawater fire pump as claimed in claim 4, wherein: a sealing ring (9) matched with the annular positioning block (7) for use is arranged between the noise reduction shell (501) and the mounting seat (1), and the sealing ring (9) is fixedly connected with the bottom of the noise reduction shell (501).

6. A long axis seawater fire pump as claimed in claim 2, wherein: one end of the heat dissipation hole (5052) is provided with a flaring part (10), and the opening of the flaring part (10) from one end of the heat dissipation hole (5052) to the other end is gradually reduced.

7. A long axis seawater fire pump as claimed in claim 3, wherein: the periphery bearing of axis of rotation (601) is connected with mount (11), the both ends of mount (11) are respectively with the inside wall fixed connection of casing (3).

8. A long axis seawater fire pump as claimed in claim 2, wherein: the inner side wall of the heat dissipation cavity (5051) is fixedly connected with a dust-proof plate (12).