CN212867756U

CN212867756U - Silencer of hydraulic generator

Info

Publication number: CN212867756U
Application number: CN202021618415.2U
Authority: CN
Inventors: 陶荣山
Original assignee: Malipo Manguan Hydropower Co ltd
Current assignee: Malipo Manguan Hydropower Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-02
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a hydraulic generator's silencing device, the power distribution box comprises a box body, the upper end fixedly connected with ventilation pipe of box, the lower extreme of box is provided with the inlet tube, the inside fixedly connected with generator shell of box, the external fixed surface of generator shell is connected with the fixed block, the right-hand member fixedly connected with second spring of fixed block, fixed block fixedly connected with sleeve is kept away from to the one end of second spring, telescopic external fixed surface is connected with the box, generator shell's lower extreme is provided with the supporting legs, the surface of supporting legs is provided with first spring, the inside of box is close to the thermal-insulated acoustical panel of sleeve fixedly connected with, the left end of thermal-insulated acoustical panel is provided with the noise damping layer. The utility model discloses in, be provided with the box at generator component's skin, the inside of box is provided with the amortization groove and thermal-insulated acoustical panel, and the outer wall of box is hollow structure, and inside is provided with the amortization layer, and through multistage amortization, noise reduction effect is showing.

Description

Silencer of hydraulic generator

Technical Field

The utility model relates to a generator field especially relates to a hydraulic generator's silencing device.

Background

The hydraulic generator is a device which takes a hydraulic turbine as a prime mover to convert water energy into electric energy, the noise generated when the hydraulic generator operates is large, and the noise of the hydraulic generator is mainly caused by the over-high rotating speed of a rotor to seriously pollute the surrounding environment.

The general fixedly connected with water service pipe of small-size hydraulic generator, generator operation process can produce certain vibrations, shakes for a long time and seriously influences its life, the noise reinforcing of production simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a silencer of a hydraulic generator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hydraulic generator's silencing device, includes the box, the upper end fixedly connected with ventilation pipe of box, the lower extreme of box is provided with the inlet tube, the inside fixedly connected with generator housing of box, the outer fixed surface of generator housing is connected with the fixed block, the right-hand member fixedly connected with second spring of fixed block, the fixed block fixedly connected with sleeve is kept away from to the one end of second spring, telescopic outer fixed surface is connected with the box, the lower extreme of generator housing is provided with the supporting legs, the surface of supporting legs is provided with first spring, the inside of box is close to the thermal-insulated acoustical panel of sleeve fixedly connected with, the left end of thermal-insulated acoustical panel is provided with the noise damping layer.

As a further description of the above technical solution:

the inner wall of the ventilation pipe is fixedly connected with a ventilation net, and the lower end of the ventilation net is fixedly connected with a silencing groove.

As a further description of the above technical solution:

the outer surface of the generator shell is provided with a plurality of air holes which are uniformly distributed.

As a further description of the above technical solution:

the outer wall of the box body is of a hollow structure, the outer wall of the box body is provided with a silencing layer, and silencing cotton is arranged inside the silencing layer.

As a further description of the above technical solution:

the upper end fixedly connected with limiting plate of first spring, the lower extreme fixedly connected with backing plate of first spring.

As a further description of the above technical solution:

the inner wall fixedly connected with supporting legs of limiting plate, supporting legs and generator shell be connected as an organic whole.

As a further description of the above technical solution:

the one end fixedly connected with first connection pad of inlet tube, the other end fixed plate of inlet tube is connected with the second connection pad.

The utility model discloses following beneficial effect has:

1. the utility model discloses the upper end of box is provided with the ventilation pipe, and the ventilation pipe is used for ventilating and accelerates the radiating effect of generator, and the lower extreme of ventilation pipe is provided with the amortization groove, the thermal-insulated acoustical panel of inner wall fixedly connected with of box, and the outer wall of box is hollow structure, and its inside is the amortization layer, and the inside on amortization layer is provided with the amortization cotton, and through multistage amortization, the noise reduction effect is showing.

2. The utility model discloses, the outer fixed surface of generator shell is connected with the fixed block, fixedly connected with second spring between fixed block and the box, and the second spring effectively weakens the horizontal vibrations of generator shell, the first spring of fixedly connected with between the lower extreme of generator and the backing plate, and first spring effectively reduces the vertical vibrations of generator shell, has certain noise reduction effect simultaneously.

Drawings

Fig. 1 is an overall structural view of a silencer of a hydraulic generator according to the present invention;

fig. 2 is a front view of a silencer of a hydraulic generator according to the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view of fig. 1 at B.

Illustration of the drawings:

1. a vent pipe; 2. a box body; 3. a first splice tray; 4. a second connecting disc; 5. a water inlet pipe; 6. a silencing groove; 7. air holes are formed; 8. a fixed block; 9. a sound-deadening layer; 10. a limiting plate; 11. a first spring; 12. a heat-insulating and sound-absorbing plate; 13. a generator housing; 14. a sleeve; 15. a second spring; 16. a base plate; 17. a ventilation net.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a silencer of a hydraulic generator comprises a box body 2, the upper end of the box body 2 is fixedly connected with a ventilation pipe 1, the ventilation pipe 1 can ventilate and has a certain heat dissipation effect, the lower end of the box body 2 is provided with a water inlet pipe 5, the inside of the box body 2 is fixedly connected with a generator shell 13, the outer surface of the generator shell 13 is fixedly connected with a fixed block 8, the right end of the fixed block 8 is fixedly connected with a second spring 15, the second spring 15 has a damping effect and further reduces noise, one end of the second spring 15 is far away from the fixed block 8 and is fixedly connected with a sleeve 14, the outer surface of the sleeve 14 is fixedly connected with the box body 2, the lower end of the generator shell 13 is provided with a supporting leg, the outer surface of the supporting leg is provided with a first spring 11, the first spring 11 has certain damping and noise reduction effects, the inside of the box body 2 is, the noise reduction effect is obvious, and the left end of the heat-insulation and sound-deadening plate 12 is provided with a sound-deadening layer 9.

Inner wall fixedly connected with ventilation net 17 of ventilation pipe 1, ventilation net 17's lower extreme fixedly connected with amortization groove 6, generator housing 13's surface is provided with bleeder vent 7, bleeder vent 7 accelerates generator housing 13 heat dissipation, bleeder vent 7 evenly arranges, and quantity is a plurality of, the outer wall of box 2 is hollow structure, box 2's outer wall is provided with amortization layer 9, the inside of amortization layer 9 is provided with the amortization cotton, the upper end fixedly connected with limiting plate 10 of first spring 11, the lower extreme fixedly connected with backing plate 16 of first spring 11, backing plate 16 has the shock attenuation effect, the inner wall fixedly connected with supporting legs of limiting plate 10, supporting legs and generator housing 13 are connected as an organic whole, the first connection pad 3 of one end fixedly connected with of inlet tube 5, the other end fixed plate of inlet tube 5 is.

The working principle is as follows: in the utility model, a generator shell 13 is arranged in the box body 2, the generator shell 13 generates larger noise in the work engineering, the noise is mainly generated by mechanical vibration, the outer surface of the generator shell 13 is fixedly connected with a fixed block 8, a second spring 15 is fixedly connected between the fixed block 8 and the box body 2, the inner part of the box body 2 is fixedly connected with a backing plate 16, the upper end of the backing plate 16 is fixedly connected with a supporting leg, the outer wall of the supporting leg is provided with a first spring 11, the vibration of the generator shell 13 is weakened under the coaction of the first spring 11 and the second spring, the inner wall of the box body 2 is fixedly connected with a heat-insulating and sound-deadening plate 12, the outer wall of the box body 2 is of a hollow structure, the interior of the box body is provided with a sound-deadening layer 9, sound-deadening cotton is arranged in the sound-deadening, the inner wall fixedly connected with ventilation net 17 of ventilation pipe 1, the lower extreme fixedly connected with amortization groove 6 of ventilation net 17 through amortization groove 6, thermal-insulated acoustical panel 12 and amortization layer 9 multistage noise reduction, the noise reduction effect is showing.

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

1. The utility model provides a hydraulic generator's silencing device, includes box (2), its characterized in that: the upper end of the box body (2) is fixedly connected with a ventilation pipe (1), the lower end of the box body (2) is provided with a water inlet pipe (5), a generator shell (13) is fixedly connected inside the box body (2), a fixed block (8) is fixedly connected on the outer surface of the generator shell (13), a second spring (15) is fixedly connected at the right end of the fixed block (8), one end of the second spring (15) far away from the fixed block (8) is fixedly connected with a sleeve (14), the outer surface of the sleeve (14) is fixedly connected with a box body (2), the lower end of the generator shell (13) is provided with supporting legs, the supporting legs are characterized in that first springs (11) are arranged on the outer surfaces of the supporting legs, a heat insulation and sound absorption plate (12) is fixedly connected to the inner portion, close to a sleeve (14), of the box body (2), and a sound absorption layer (9) is arranged at the left end of the heat insulation and sound absorption plate (12).

2. The silencer assembly of a hydraulic generator according to claim 1, wherein: the inner wall of the ventilation pipe (1) is fixedly connected with a ventilation net (17), and the lower end of the ventilation net (17) is fixedly connected with a silencing groove (6).

3. The silencer assembly of a hydraulic generator according to claim 1, wherein: the outer surface of the generator shell (13) is provided with air holes (7), the air holes (7) are uniformly distributed, and the number of the air holes is multiple.

4. The silencer assembly of a hydraulic generator according to claim 1, wherein: the outer wall of the box body (2) is of a hollow structure, a silencing layer (9) is arranged on the outer wall of the box body (2), and silencing cotton is arranged inside the silencing layer (9).

5. The silencer assembly of a hydraulic generator according to claim 1, wherein: the upper end fixedly connected with limiting plate (10) of first spring (11), the lower extreme fixedly connected with backing plate (16) of first spring (11).

6. The silencer assembly of a hydraulic generator according to claim 5, wherein: the inner wall of the limiting plate (10) is fixedly connected with supporting legs, and the supporting legs are integrally connected with the generator shell (13).

7. The silencer assembly of a hydraulic generator according to claim 1, wherein: the one end fixedly connected with first connection pad (3) of inlet tube (5), the other end fixed plate of inlet tube (5) is connected with second connection pad (4).