CN218717126U - High-pressure diesel generating set with good noise reduction effect - Google Patents

Abstract

The utility model relates to a high-pressure diesel generating set that noise reduction effect is good, including generating set body, the bottom half is equipped with the main support, and the main support top is connected with the mounting panel through damper, damper includes first compression spring and shock pad, and box internally mounted has first sound absorbing layer, and one side packing of first sound absorbing layer has the abatvoix that is located the box inside, and the other end of tail gas sound absorbing box and exhaust duct's one end fixed connection, the exhaust duct other end and the first nested connection of exhaust cover, respectively between first diagonal brace and the second diagonal brace with second compression spring both ends fixed connection, chassis exterior lateral wall's upper end is provided with the air inlet window, has seted up the air-out window on the lower extreme of another lateral wall, air-out window inner wall passes through bolt and radiator fan fixed connection. The utility model discloses can effectively reduce high-pressure diesel generating set's noise, improve operational environment.

Description

High-pressure diesel generating set with good noise reduction effect

Technical Field

The utility model relates to a diesel generating set technical field especially relates to a high-pressure diesel generating set that noise reduction effect is good.

Background

Some noise inevitably occurs when the generator set works, but if the noise is serious for a long time, the surrounding environment is seriously damaged. The noise of the diesel generator set is a complex sound source consisting of a plurality of sound sources and can be divided into aerodynamic noise, surface radiation noise and electromagnetic noise, wherein the aerodynamic noise is generated by an unstable process of gas, namely the noise of the diesel generator set generated by gas disturbance and interaction of gas and objects, the aerodynamic noise directly radiated to the atmosphere comprises air inlet noise, exhaust noise and cooling fan noise, the electromagnetic noise is generated by high-speed rotation of a generator rotor in an electromagnetic field, the combustion noise and the mechanical noise are difficult to strictly distinguish, the noise of the diesel engine set generated by pressure fluctuation generated by internal combustion of a cylinder of the diesel generator set and radiated outwards through a cylinder cover, a piston, a connecting rod, a crankshaft and a machine body is generally called as the combustion noise, and the noise of the diesel engine set generated by impact of the piston on the cylinder sleeve and mechanical impact vibration of a moving part is claimed as the mechanical noise; the combustion noise of a general direct injection diesel engine is higher than the mechanical noise, but the combustion noise of a non-direct injection diesel engine is higher than the combustion noise, but the combustion noise is higher than the mechanical noise during low-speed operation. Therefore, the noise reduction of the generator set is very important, but the existing noise reduction cover of the generator set is provided with an air inlet hole through a side plate, a disc type silencer is installed on the outer side of the air inlet hole to reduce noise, but sound still can penetrate out through the side plate, or the noise reduction cover is filled with sound blocking cotton, the noise reduction structures are fewer, and the noise reduction effect is poor, so that a high-pressure diesel generator set with a good noise reduction effect is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a high-pressure diesel generating set that noise reduction effect is good, this utility model aims at solving the relatively poor technical problem of high-pressure diesel generating set noise reduction effect under the prior art.

(2) Technical scheme

For solving foretell technical problem, the utility model provides a high-pressure diesel generating set that noise reduction effect is good, including generating set body, box, the bottom half is equipped with the main support, the main support top is connected with the mounting panel through damper, damper includes the first compression spring of a plurality of joint at the main support upper surface, the upper surface of first compression spring is connected with the lower fixed surface of mounting panel, damping gasket is installed respectively at first compression spring both ends, box internally mounted has first noise absorption layer, one side packing of first noise absorption layer has the abatvoix that is located the box inside, the mounting panel top is provided with generating set body and tail gas sound deadening box respectively, the one end of tail gas sound deadening box links to each other with the generating set body, the other end of tail gas sound deadening box and exhaust duct's one end fixed connection, the exhaust duct other end and exhaust jacket head nested connection, tail gas sound deadening box lower surface one side passes through ball and support frame upper end swing joint, the support frame lower extreme passes through bolt and mounting panel upper surface fixed connection, support frame one side is through double-screw and first diagonal brace fixed connection, tail gas sound box lower surface lower extreme and second diagonal brace fixed connection through the air-out window, the air outlet window, the window is provided with the air outlet window inner wall respectively.

The inner side end of the air inlet window is provided with a filter plate.

A second sound absorption layer positioned in the box body is fixedly arranged on one side of the first sound absorption layer, and the first sound absorption layer and the second sound absorption layer are detachable components.

The porous sound-absorbing cotton located in the box body is filled at one side of the sound-absorbing plate, and the sound-absorbing rock wool is filled at one side of the porous sound-absorbing cotton.

The number of the first compression springs is nine, and the nine first compression springs are arranged in a rectangular array.

The sound-absorbing board is made of honeycomb foam type materials.

The outer side of one end of the exhaust pipeline is provided with an external thread, the inner side of one end of the exhaust sleeve head is provided with an internal thread matched with the internal thread, and the exhaust pipeline is meshed with the exhaust sleeve head through the threads.

And a tail gas filter is also arranged at one side of the exhaust pipeline extending out of the box body.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses the gas that produces when generating set moves carries out the noise elimination work of tail gas through tail gas whistle box, and tail gas is in the filtration through tail gas filter, gets rid of through the air-out window, and tail gas whistle box still plays the effect of elastic support through the first diagonal brace of support frame and second compression spring cooperation and second diagonal brace, has reduced the vibration that tail gas whistle box work produced, avoids causing the noise, the effectual effect of making an uproar that falls that has played.

2. The utility model discloses a cooperation setting of first compression spring, shock attenuation gasket and mounting panel, generating set body fixed mounting is on the mounting panel when using, and then reduces the vibrations that the generating set body produced when using to and be equipped with abatvoix, porous sound cotton and inhale the sound rock wool of inhaling at the inside of case, effectual separation like this has played the effect of making an uproar of falling with the sound that the air current flows. Still be equipped with first sound absorbing layer and the second sound absorbing layer of demountable installation on the quick-witted incasement lateral wall, can surround the generating set body like this when using, further reduce the generating set body and transmit external noise, reduce the transmission of noise, reduce the influence to operating personnel.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

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

fig. 2 is a schematic view of the bottom supporting structure of the tail gas silencing box 10 at a position a in fig. 1 of the present invention;

fig. 3 is a schematic structural view of the box body at the position B in fig. 1 connecting the first sound absorbing layer and the second sound absorbing layer according to the present invention;

fig. 4 is a schematic view of the internal structure of the box body at the position B in fig. 1 according to the present invention.

The labels in the figures are: generating set body 1, box 2, main support 3, damper 4, mounting panel 5, first compression spring 6, shock-absorbing pad 7, first noise-absorbing layer 8, abatvoix 9, tail gas whistle box 10, exhaust duct 11, exhaust pullover 12, ball 13, support frame 14, first diagonal brace 15, second diagonal brace 16, second compression spring 17, air inlet window 18, air outlet window 19, radiator fan 20, filter 21, second noise-absorbing layer 22, porous sound-absorbing cotton 23, sound-absorbing rock wool 24, tail gas filter 25.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in figure 1, the utility model provides a high-pressure diesel generator set with good noise reduction effect, which comprises a generator set body 1, a box body 2, a main support 3 arranged at the bottom of the box body 2, a mounting plate 5 connected with the upper part of the main support 3 through a damping mechanism 4, the damping mechanism 4 comprising a plurality of first compression springs 6 clamped on the upper surface of the main support 3, the upper surface of the first compression springs 6 is fixedly connected with the lower surface of the mounting plate 5, damping gaskets 7 are respectively arranged at the two ends of the first compression springs 6, a first sound absorption layer 8 is arranged inside the box body 2, one side of the first sound absorption layer 8 is filled with a sound absorption plate 9 positioned inside the box body, the generator set body 1 and a tail gas sound absorption box 10 are respectively arranged above the mounting plate 5, one end of the tail gas sound absorption box 10 is connected with the generator set body 1, the other end of the tail gas sound-muffling box 10 is fixedly connected with one end of an exhaust pipeline 11, the other end of the exhaust pipeline 11 is connected with an exhaust sleeve head 12 in a nested manner, one side of the lower surface of the tail gas sound-muffling box 10 is movably connected with the upper end of a support frame 14 through a ball 13, the lower end of the support frame 14 is fixedly connected with the upper surface of an installation plate 5 through a bolt, one side of the support frame 14 is fixedly connected with a first inclined strut 15 through a stud, one side of the lower surface of the tail gas sound-muffling box 10 is fixedly connected with a second inclined strut 16 through a bolt, the first inclined strut 15 and the second inclined strut 16 are fixedly connected with two ends of a second compression spring 17 respectively, an air inlet window 18 is arranged at the upper end of the outer shell side wall of the box body 2, an air outlet window 19 is arranged at the lower end of the other side wall, and the inner wall of the air outlet window 19 is fixedly connected with a cooling fan 20 through a bolt.

Further, a filter plate 21 is mounted at the inner end of the air inlet window 18.

Further, a second sound absorption layer 22 located inside the box body is fixedly installed on one side of the first sound absorption layer 8, and the first sound absorption layer 8 and the second sound absorption layer 22 are detachable components.

Further, one side of the sound-absorbing plate 9 is filled with porous sound-absorbing cotton 23 positioned inside the box body 2, and one side of the porous sound-absorbing cotton 23 is filled with sound-absorbing rock wool 24.

Further, the number of the first compression springs 6 is nine, and nine first compression springs 6 are arranged in a rectangular array.

Further, the sound-absorbing plate 9 is made of a honeycomb foam type material.

Furthermore, the outer side of one end of the exhaust pipeline 11 is provided with an external thread, the inner side of one end of the exhaust sleeve head 12 is provided with an internal thread matched with the external thread, and the exhaust pipeline 11 is meshed with the exhaust sleeve head through the threads.

Further, an exhaust filter 25 is disposed at a side of the exhaust duct 11 extending out of the box body 2.

The utility model discloses a theory of operation:

when the device is used, firstly, the generator set body 1 works, meanwhile, the cooling fan 20 on the side face is driven to rotate, gas enters through the air inlet window 18 and is filtered to remove dust in the air through the filter plate 21, the heat on the generator set body 1 is taken away by the entering air, effective heat dissipation is carried out by the air outlet window 19, the gas generated by the operation of the generator set body 1 is subjected to tail gas silencing work through the tail gas silencing box 10, the tail gas is filtered through the tail gas filter 25 and is removed through the air outlet window 19, the noise generated by vibration is generated when the generator set body 1 operates, the vibration is reduced by the damping gasket 7 and the mounting plate 5 through the matching of the first compression spring 6, the damping gasket 7 is matched with the mounting plate 5, the generator set body 1 is fixedly mounted on the mounting plate 5 when in use, and the vibration generated when the generator set body 1 is used is reduced, and the sound absorption plate 9, the porous sound absorption cotton 23 and the sound absorption rock wool 24 are arranged inside the case 2, and the sound absorption plate 9 made of honeycomb foam material is used for silencing work, so that the equipment and the airflow flows is effectively blocked, and the noise reduction effect is achieved. The inner side wall of the case 2 is also provided with the first sound absorption layer 8 and the second sound absorption layer 22 which are detachably mounted, so that the generator set body 1 can be surrounded when the generator set is used, noise transmitted to the outside by the generator set body 1 is further reduced, noise transmission is reduced, and influence on operators is reduced. And the tail gas sound-muffling box 10 generates vibration noise during operation, and the supporting frame 14 and the second compression spring 17 are matched with the first inclined support rod 15 and the second inclined support rod 16 to play a role of elastic support, so that the vibration generated during the operation of the tail gas sound-muffling box 10 is reduced, the noise is avoided, and the noise reduction effect is effectively realized. This is the overall principle process of operation of the device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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.

Claims (8)

1. The utility model provides a high-pressure diesel generating set that noise reduction effect is good, includes generating set body (1), box (2), its characterized in that: the generator set is characterized in that a main support (3) is arranged at the bottom of the box body (2), a mounting plate (5) is connected above the main support (3) through a damping mechanism (4), the damping mechanism (4) comprises a plurality of first compression springs (6) which are clamped on the upper surface of the main support (3), the upper surface of each first compression spring (6) is fixedly connected with the lower surface of the mounting plate (5), damping gaskets (7) are respectively arranged at the two ends of each first compression spring (6), a first sound absorption layer (8) is arranged inside the box body (2), a sound absorption plate (9) positioned inside the box body is filled at one side of each first sound absorption layer (8), a generator set body (1) and a tail gas sound absorption box (10) are respectively arranged above the mounting plate (5), one end of the tail gas sound absorption box (10) is connected with the motor set body (1), the other end of the tail gas sound absorption box (10) is fixedly connected with one end of an exhaust pipeline (11), the other end of the exhaust pipeline (11) is connected with an exhaust sleeve head (12) in an embedded manner, one side of the lower surface of the tail gas sound absorption box (10) is movably connected with the support frame (14) through a ball stud, and a bolt (14) is fixedly connected with the lower end of the mounting plate (5), one side of the lower surface of the tail gas sound-muffling box (10) is fixedly connected with a second inclined stay bar (16) through bolts, a first inclined stay bar (15) and the second inclined stay bar (16) are respectively and fixedly connected with two ends of a second compression spring (17), an air inlet window (18) is arranged at the upper end of the side wall of the outer shell of the box body (2), an air outlet window (19) is arranged at the lower end of the other side wall, and the inner wall of the air outlet window (19) is fixedly connected with a cooling fan (20) through bolts.

2. The high-pressure diesel generator set with good noise reduction effect according to claim 1, characterized in that the inner end of the air inlet window (18) is provided with a filter plate (21).

3. The high-pressure diesel generator set with the good noise reduction effect according to claim 2, wherein a second sound absorption layer (22) located inside the box body is fixedly installed on one side of the first sound absorption layer (8), and the first sound absorption layer (8) and the second sound absorption layer (22) are detachable components.

4. The high-pressure diesel generator set with good noise reduction effect according to claim 3, wherein one side of the sound-absorbing plate (9) is filled with porous sound-absorbing cotton (23) inside the box body (2), and one side of the porous sound-absorbing cotton (23) is filled with sound-absorbing rock wool (24).

5. The high-pressure diesel generator set with good noise reduction effect according to claim 4, characterized in that the number of the first compression springs (6) is nine, and the nine first compression springs (6) are arranged in a rectangular array.

6. The high-pressure diesel generator set with good noise reduction effect according to claim 5, wherein the sound-absorbing plate (9) is made of honeycomb foam type material.

7. The high-pressure diesel generator set with the good noise reduction effect according to claim 6, wherein an external thread is arranged on the outer side of one end of the exhaust pipeline (11), an internal thread matched with the external thread is arranged on the inner side of one end of the exhaust sleeve head (12), and the exhaust pipeline (11) is meshed with the exhaust sleeve head through the threads.

8. The high-pressure diesel generator set with good noise reduction effect according to claim 7, wherein a tail gas filter (25) is further arranged at one side of the exhaust pipeline (11) extending out of the box body (2).

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