阅读说明：本技术 一种立式水轮发电机降低噪音地板 (Vertical hydrogenerator noise reduction floor ) 是由 周巧燕 于 2019-09-25 设计创作，主要内容包括：本发明公开了一种立式水轮发电机降低噪音地板,包括地板、第三侧板和底板,所述地板的前端固定焊接有第一侧板,且地板的后端固定焊接有第二侧板,所述第三侧板固定焊接在地板的侧端,所述底板分别固定焊接在第一侧板、第二侧板和第三侧板的末端,且底板和地板之间设置有填充腔。该立式水轮发电机降低噪音地板中,第三侧板和第一侧板以及第二侧板均为发泡纤维铝板材质设置,因侧板是厚度很薄的铝板,很容易弯曲,能轻易的弯成弧形,能够围绕的面积尽可能的大,并且第一侧板和第二侧板的设置,对地板和底板的首末两端均具有良好的封闭作用,能够使噪音尽可能少的从侧板传递,使得噪音更好的从中间传递,进而达到更好的降噪音的功能。(The invention discloses a noise-reducing floor for a vertical hydraulic generator, which comprises a floor, a third side plate and a bottom plate, wherein the front end of the floor is fixedly welded with the first side plate, the rear end of the floor is fixedly welded with the second side plate, the third side plate is fixedly welded at the side end of the floor, the bottom plate is respectively fixedly welded at the tail ends of the first side plate, the second side plate and the third side plate, and a filling cavity is arranged between the bottom plate and the floor. In this vertical hydraulic generator noise reduction floor, third curb plate and first curb plate and second curb plate are the setting of foaming fiber aluminum plate material, it is very thin aluminum plate of thickness because of the curb plate, very easy bending, can be easily curved into the arc, the area that can center on is big as far as possible, and the setting of first curb plate and second curb plate, all have good seal to the first and last both ends of floor and bottom plate, can make the noise as little as possible transmit from the curb plate, make the better transmission from the centre of the noise, and then reach the function of better noise reduction.)

1. The utility model provides a vertical hydraulic generator noise reduction floor, includes floor (1), third curb plate (4) and bottom plate (5), its characterized in that: the floor is characterized in that a first side plate (2) is fixedly welded at the front end of the floor (1), a second side plate (3) is fixedly welded at the rear end of the floor (1), a third side plate (4) is fixedly welded at the side end of the floor (1), a bottom plate (5) is fixedly welded at the tail ends of the first side plate (2), the second side plate (3) and the third side plate (4) respectively, and a filling cavity (6) is arranged between the bottom plate (5) and the floor (1).

2. The vertical hydro-generator noise reduction floor according to claim 1, wherein: the first side plate (2) and the second side plate (3) are both arranged in an arc-shaped structure, the arc length of the first side plate (2) is smaller than that of the second side plate (3), and the central axis of the first side plate (2) coincides with that of the second side plate (3).

3. the vertical hydro-generator noise reduction floor according to claim 1, wherein: third curb plate (4) have two sets ofly about the axis symmetrical arrangement on floor (1), and third curb plate (4) and first curb plate (2) and second curb plate (3) are the setting of foaming fiber aluminum plate material.

4. The vertical hydro-generator noise reduction floor according to claim 1, wherein: the shape and the size of the bottom plate (5) are matched with those of the floor (1), and the bottom plate (5) and the floor (1) are symmetrically arranged.

5. The vertical hydro-generator noise reduction floor according to claim 1, wherein: sound absorbing material (7) have been placed to the inside in filling chamber (6), and sound absorbing material (7) are evenly arranged to the top of sound absorbing material (7) and the end on floor (1) are laminated each other.

Technical Field

The invention relates to the technical fields related to advanced manufacturing and automation, power systems and equipment, and power generation and energy storage technologies, in particular to a noise-reducing floor for a vertical hydraulic generator.

Background

The generator is at the power station operation in-process, and the rotational speed can reach 750r/min, and the rotor can produce mechanical noise at high-speed rotatory in-process, and the principle of electricity generation originally is through cutting the magnetic induction line and produce electric current, so can also produce electromagnetic noise, and the noise is too big can seriously influence staff's healthy, so any unit all will noise reduction as far as to build good operational environment.

However, the generator used at present can generate noise pollution in the operation process of a power station, and the generation of the noise is difficult to control and is easy to influence the physical health of workers.

Disclosure of Invention

The invention aims to provide a noise reduction floor for a vertical hydraulic generator, which aims to solve the problems that the existing generator in the background art generates noise pollution in the power station operation process, the generation of noise is difficult to control, and the influence on the body health of workers is easy to cause.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vertical hydraulic generator noise reduction floor, includes floor, third curb plate and bottom plate, the fixed welding of front end on floor has first curb plate, and the fixed welding of rear end on floor has the second curb plate, the fixed welding of third curb plate is at the side on floor, the bottom plate is fixed welding respectively at the end of first curb plate, second curb plate and third curb plate, and is provided with between bottom plate and the floor and fills the chamber.

Preferably, first curb plate and second curb plate are the setting of convex structure, and the arc length of first curb plate is less than the arc length of second curb plate to the axis of first curb plate coincides with the axis of second curb plate, all has good closure effect to the first and last both ends of floor and bottom plate, can make the noise as little as possible from the curb plate transmission, make the better transmission in the middle of following of noise, and then reach the function of better noise reduction.

Preferably, third curb plate has two sets ofly about the axis symmetrical arrangement on floor, and third curb plate and first curb plate and second curb plate are the setting of foaming fiber aluminum plate material, because of the curb plate is the very thin aluminum plate of thickness, very easy bending, can be easily curved into the arc, the area that can center on is as big as possible, the while also enables the noise as little as possible from the curb plate transmission, and both ends all have good seal effect about floor and bottom plate, through first curb plate, the second curb plate, the third curb plate centers on and fixes the intensity that also can increase its floor itself, and form the guard action to its inboard.

Preferably, the shape and the size homogeneous phase on bottom plate and floor coincide, and be symmetrical arrangement between bottom plate and the floor, because of between floor and the curb plate, all electric welding is firm between curb plate and the bottom plate, formed a confined cavity, sound-absorbing material arranges wherein in, can not drop, also can guarantee the holistic noise reduction in this floor to the moisture that can form the bottom through the bottom plate is isolated, thereby prolongs the life on floor.

preferably, sound absorbing material has been placed to the inside in filling the chamber, and sound absorbing material is evenly arranged to sound absorbing material's top and the terminal laminating each other on floor, sound can take place reflection, folding and collision with the inside fibre of material when passing through sound absorbing material, thereby makes noise reduction effect obtain good promotion.

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

1. In the vertical hydraulic generator noise-reducing floor, the central axis of the first side plate is superposed with the central axis of the second side plate, so that the floor and the head and tail ends of the bottom plate are well sealed, noise can be transmitted from the side plates as little as possible, the noise can be transmitted from the middle better, and the function of reducing the noise better is achieved;

2. the third side plate, the first side plate and the second side plate are all made of foamed fiber aluminum plate materials, and the side plates are made of aluminum plates with thin thicknesses, so that the side plates are easy to bend and can be easily bent into an arc shape, the surrounding area can be enlarged as much as possible, noise can be transmitted from the side plates as little as possible, and the floor plate has good sealing effect on the left end and the right end of the floor plate and the bottom plate;

3. For symmetrical arrangement between bottom plate and the floor, because of between floor and the curb plate, all weld firmly between curb plate and the bottom plate, formed a confined cavity, sound absorbing material arranges wherein in, can not drop, also can guarantee the holistic noise reduction in this floor to because of sound absorbing material has the function of noise transmission, can carry the transmission to the noise on the floor, and then reach the effect of making an uproar on the floor.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention.

In the figure: 1. a floor; 2. a first side plate; 3. a second side plate; 4. a third side plate; 5. a base plate; 6. filling the cavity; 7. a sound absorbing material.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a noise reduction floor for a vertical hydraulic generator comprises a floor 1, a first side plate 2, a second side plate 3, a third side plate 4, a bottom plate 5, a filling cavity 6 and sound absorption materials 7, wherein the first side plate 2 is fixedly welded at the front end of the floor 1, the second side plate 3 is fixedly welded at the rear end of the floor 1, the first side plate 2 and the second side plate 3 are both arranged in an arc-shaped structure, the arc length of the first side plate 2 is smaller than that of the second side plate 3, the central axis of the first side plate 2 is overlapped with that of the second side plate 3, good sealing effects are achieved on the first end and the last end of the floor 1 and the bottom plate 5, noise can be transmitted from the side plates as little as possible, noise is transmitted from the middle better, and a better noise reduction function is achieved; the third side plate 4 is fixedly welded at the side end of the floor 1, two groups of the third side plates 4 are symmetrically arranged about the central axis of the floor 1, and the third side plate 4, the first side plate 2 and the second side plate 3 are all made of foamed fiber aluminum plate materials, because the side plates are aluminum plates with very thin thickness, the side plates are very easy to bend and can be easily bent into an arc shape, the surrounding area is as large as possible, simultaneously, the noise is transmitted from the side plates as little as possible, and the left end and the right end of the floor 1 and the bottom plate 5 are well sealed, the strength of the floor can be increased by surrounding and fixing the first side plate 2, the second side plate 3 and the third side plate 4, the inner side of the floor is protected, the bottom plate 5 is respectively fixedly welded at the tail ends of the first side plate 2, the second side plate 3 and the third side plate 4, a filling cavity 6 is arranged between the bottom plate 5 and the floor 1, the second side plate 3, the third side plate 4, the bottom plate 5, adopt the same fiber aluminum plate sound insulation material to constitute, can the isolated further transmission of noise of at utmost, the shape and the size homogeneous phase of bottom plate 5 and floor 1 coincide, and be symmetrical arrangement between bottom plate 5 and the floor 1, because of between floor 1 and the curb plate, it is firm all to weld between curb plate and the bottom plate 5, a confined cavity has been formed, sound absorbing material 7 arranges in wherein, can not drop, also can guarantee the holistic noise reduction of this floor 1, and can isolate the moisture that the bottom formed through bottom plate 5, thereby prolong the service life of floor, sound absorbing material 7 has been placed to the inside of filling chamber 6, and sound absorbing material 7 is evenly arranged, and the top of sound absorbing material 7 laminates with the end of floor 1 each other, can take place the reflection with the inside fibre of material when sound absorbing material, sound, Folding and collision to make noise reduction obtain good promotion, inhale sound material 7 simultaneously and adopt to inhale the sound cotton, inhale the material composition that sound granule, sponge etc. have the sound characteristic of inhaling, can form a cooperation with fiber aluminum plate, make the noise reduction effect that gives sound insulation reach the maximize.

The working principle is as follows: for the noise reduction floor of the vertical hydraulic generator, firstly, because the side plates are aluminum plates with very thin thickness, the floor is very easy to bend and can be easily bent into an arc shape, the area which can be surrounded is as large as possible, then the first side plate 2 is fixedly welded at the front end of the floor 1, the second side plate 3 is fixedly welded at the rear end of the floor 1, the third side plate 4 is respectively fixedly welded at the left side and the right side of the floor 1, at the moment, a filling cavity 6 is formed between the floor 1 and the side plates, then, the sound absorption material 7 is placed into the filling cavity 6, finally, the tail ends of the first side plate 2, the second side plate 3 and the third side plate 4 are respectively welded with the top end of the bottom plate 5, the situation that the sound absorption material 7 falls off is avoided, and the side plates are arranged in an arc structure, noise can be transmitted from the side plates as little as possible, the noise can be transmitted, the whole vertical hydraulic generator noise-reducing floor is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.