CN217784714U

CN217784714U - Construction emergency power generation device with low noise

Info

Publication number: CN217784714U
Application number: CN202221966229.7U
Authority: CN
Inventors: 刘海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-11
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a construction technical field, specific emergent power generation facility is used in construction that noise is little that says so, include: the upper end of the bottom plate is fixedly connected with a generator, and one side of the generator is connected with a diesel engine; the noise reduction device is used for reducing the noise generated by the power generation device and arranged on the surface of the diesel engine, and the lower end of the noise reduction device extends into the bottom plate; the noise reduction device comprises a buffer mechanism and a noise reduction mechanism, wherein the buffer mechanism is arranged at the lower end of the diesel engine; through setting up buffer gear among the device, can be under buffer gear's effect, to diesel engine buffering at the during operation of making an uproar of falling, the device has reached at diesel engine when carrying out the during operation, reduces rocking that diesel engine during operation produced to the noise that produces obtains reducing in making diesel engine work, and then has alleviated the influence to construction environment on every side.

Description

Construction emergency power generation device with low noise

Technical Field

The utility model relates to a construction technical field, unusual construction is with emergent power generation facility that relates to a noise is little.

Background

Because generally carrying out the power consumption of temporary connection at the construction site, can take place the circumstances such as outage in carrying out the work progress, need use emergent power generation facility, current emergent power generation facility generally to diesel generator, drive the generator through diesel engine's operation and carry out the electricity generation work, but when diesel engine carried out work, will produce great noise because of the operation of machine itself, influence surrounding construction environment.

Therefore, an emergency power generation device for construction with low noise is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a following technical scheme realizes above-mentioned purpose, a construction that the noise is little is with emergent power generation facility, include: the upper end of the bottom plate is fixedly connected with a generator, and one side of the generator is connected with a diesel engine; the noise reduction device is used for reducing the noise generated by the power generation device and arranged on the surface of the diesel engine, and the lower end of the noise reduction device extends into the bottom plate; the noise reduction device comprises a buffer mechanism and a noise reduction mechanism, the buffer mechanism is arranged at the lower end of the diesel engine, the lower end of the buffer mechanism extends to the inside of the bottom plate, the buffer mechanism is used for slowing down shaking generated by the diesel engine in use, the noise reduction mechanism is arranged on the surface of the diesel engine, and the noise reduction mechanism is used for reducing sound generated by the diesel engine in use.

Preferably, buffer gear is including seting up the kerve in the bottom plate upper end, a plurality of buffering subassemblies of interior diapire fixedly connected with of kerve, the upper end fixedly connected with supporting platform of buffering subassembly, supporting platform's surface and the inner wall sliding connection of kerve, supporting platform's upper end and diesel engine's lower extreme fixed connection follow the diesel engine motion through supporting platform, under the effect of buffering subassembly, reduce the diesel engine and take place to rock the noise that produces.

Preferably, the noise reduction mechanism comprises an outer protective cover and an inner connecting pipe, the inner connecting pipe is fixedly connected to the surface of the diesel engine, the surface of the inner connecting pipe is fixedly connected with the surface of the outer protective cover, an installation cavity is formed between the outer protective cover and the inner connecting pipe, and the noise can be partially eliminated through the arrangement of the installation cavity.

Preferably, the buffering subassembly includes the cylinder body of fixed connection diapire in the kerve, the inner wall sliding connection of cylinder body has the support to move the post, the upper end of supporting the post runs through to the upper end of cylinder body, the upper end of supporting the post and supporting platform's interior roof fixed connection, the interior diapire fixedly connected with guide bar of cylinder body, the upper end of guide bar runs through to the inside of supporting the post, when supporting platform follow motion, will make to support to move the post and will slide at the inner wall of cylinder body, through gaseous compressibility, can alleviate the range of rocking, the production of noise abatement.

Preferably, the fixed surface who supports the post is connected with the piston, the surface of piston and the inner wall sliding connection of cylinder body, support the lower extreme of moving the post and seted up the circular slot, the inner wall of circular slot and the surface sliding connection of guide bar, when moving downwards through the piston, will make the gas of piston lower extreme when receiving the extrusion, search the inside that will discharge to the cylinder body through the through-hole, reach the motion impact effect who alleviates diesel engine, the production of noise reduction.

Preferably, the installation cavity is close to a plurality of smooth plates of inner wall fixedly connected with of inner connecting pipe, the other end fixedly connected with curved plate of smooth plate, curved plate fixed connection is in the inner wall of installation cavity, the groove of curved plate is provided with the amortization cotton, can eliminate partial sound wave through the cooperation of amortization cotton and curved plate to make diesel engine noise reduction when carrying out the operation.

Preferably, the surface cover of guide bar is equipped with reset spring, reset spring's upper end fixed connection is in the lower extreme that supports the post, reset spring's lower extreme fixed connection is in the interior diapire of cylinder body, and the reset spring through setting up can assist to support the post and carry out the reset operation.

The beneficial effects of the utility model are that:

1. through setting up buffer gear, can be under buffer gear's effect, to diesel engine at the during operation buffering and fall the operation of making an uproar, carry out the during operation at diesel engine for traditional device, will produce great noise because of the operation of machine itself, influence construction environment on every side, the device has reached and has carried out the during operation at diesel engine, reduce rocking that diesel engine during operation produced, thereby the noise that produces in making diesel engine work obtains reducing, and then has alleviated the influence to construction environment on every side.

2. Through setting up the mechanism of making an uproar of falling, can fall the operation of making an uproar at the during operation to diesel engine under the effect of the mechanism of making an uproar of falling, produce great noise for traditional device because of the operation of machine itself, the device has reached and has eliminated partial sound wave through the cooperation of a plurality of amortization cottons and curved plate to make the noise reduction of diesel engine when carrying out the operation, and then alleviated the influence to the surrounding construction environment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the noise reduction mechanism of the present invention;

FIG. 3 is a schematic view of the connection between the buffer assembly and the supporting platform according to the present invention;

FIG. 4 is a schematic view of the connection between the cylinder body and the pushing column of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 2.

In the figure: 1. a base plate; 2. a generator; 201. a diesel engine; 3. a buffer mechanism; 301. a bottom groove; 302. a buffer assembly; 3021. a cylinder body; 3022. pushing the column; 3023. a circular groove; 3024. a guide rod; 3025. a piston; 3026. a return spring; 303. a support platform; 4. a noise reduction mechanism; 401. an outer shield; 402. an internal connection pipe; 403. a smoothing plate; 404. a curved plate; 405. silencing cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 specific implementation: as shown in fig. 1 to 5, an emergency power generation apparatus for construction having low noise includes: the device comprises a bottom plate 1, wherein the upper end of the bottom plate 1 is fixedly connected with a generator 2, and one side of the generator 2 is connected with a diesel engine 201; the noise reduction device for reducing the noise generated by the power generation device is arranged on the surface of the diesel engine 201, and the lower end of the noise reduction device extends into the bottom plate 1; the noise reduction device comprises a buffer mechanism 3 and a noise reduction mechanism 4, wherein the buffer mechanism 3 is arranged at the lower end of the diesel engine 201, the lower end of the buffer mechanism 3 extends into the bottom plate 1, the buffer mechanism 3 is used for relieving the shake generated by the diesel engine 201 in use, the noise reduction mechanism 4 is arranged on the surface of the diesel engine 201, and the noise reduction mechanism 4 is used for reducing the sound generated by the diesel engine 201 in use;

as shown in fig. 1, 3 and 4, the damping mechanism 3 includes a bottom groove 301 opened at the upper end of the bottom plate 1, a plurality of damping assemblies 302 are fixedly connected to an inner bottom wall of the bottom groove 301, a supporting platform 303 is fixedly connected to an upper end of the damping assemblies 302, a surface of the supporting platform 303 is slidably connected to an inner wall of the bottom groove 301, an upper end of the supporting platform 303 is fixedly connected to a lower end of the diesel engine 201, the damping assemblies 302 include a cylinder 3021 fixedly connected to an inner bottom wall of the bottom groove 301, a supporting column 3022 is slidably connected to an inner wall of the cylinder 3021, an upper end of the supporting column 3022 penetrates to an upper end of the cylinder 3021, an upper end of the supporting column 3022 penetrates to an inner top wall of the supporting platform 303, a guide rod 3024 is fixedly connected to an inner bottom wall of the cylinder 3021, a piston 3025 is fixedly connected to a surface of the supporting column 3022, a surface of the piston 3025 is slidably connected to an inner wall of the cylinder 3021, the lower end of the supporting column 3022 is provided with a circular groove 3023, the inner wall of the circular groove 3023 is slidably connected with the surface of the guide rod 3024, the surface of the guide rod 3024 is sleeved with a return spring 3026, the upper end of the return spring 3026 is fixedly connected to the lower end of the supporting column 3022, the lower end of the return spring 3026 is fixedly connected to the inner bottom wall of the cylinder 3021, when the diesel engine 201 is started, the diesel engine 201 shakes, the supporting platform 303 is driven to move up and down on the inner wall of the bottom groove 301, the supporting platform 303 is driven to move down and move down synchronously under the action of the supporting platform 303, when the supporting column 3022 moves down, the piston 3025 is driven to move down synchronously, when the piston 3025 moves down, gas below the piston 3025 is squeezed inside the cylinder 3021, the surface of the cylinder 3021 is provided with a small through hole, when gas inside the cylinder 3021 is squeezed, the squeezed gas is discharged through the through hole, the diameter of the through hole is smaller than that of the piston 3025, the operation of completely discharging the gas in a short time is difficult, the gas is gradually discharged in a period of time, the buffering effect of the diesel engine 201 is better when the shaking amplitude of the diesel engine 201 is larger, the propping column 3022 repeatedly moves up and down when the diesel engine 201 shakes, the resetting operation of the propping column 3022 in time may be failed due to the compressibility of the gas when the propping column 3022 resets, the propping column 3022 is pushed to move in the cylinder 3021 under the action of the resetting spring 3026, the surface of the guide rod 3024 slides through the circular groove 3023 when the propping column 3022 moves, the occurrence of the displacement inclination when the propping column 3022 moves is reduced, and the noise generated by the shaking of the diesel engine 201 during the operation is reduced through the supporting platform 303;

as shown in fig. 1, 2 and 5, the noise reduction mechanism 4 includes an outer shield 401 and an inner connection pipe 402, the inner connection pipe 402 is fixedly connected to the surface of the diesel engine 201, the surface of the inner connection pipe 402 is fixedly connected to the surface of the outer shield 401, a mounting cavity is formed between the outer shield 401 and the inner connection pipe 402, a plurality of smooth plates 403 are fixedly connected to the mounting cavity near the inner wall of the inner connection pipe 402, a curved plate 404 is fixedly connected to the other end of the smooth plate 403, the curved plate 404 is fixedly connected to the inner wall of the mounting cavity, silencing cotton 405 is disposed in a groove of the curved plate 404, when the diesel engine 201 is in operation, operating noise is generated, when noise is generated, the noise is transmitted into the mounting cavity through the inner connection pipe 402, because the position between the smooth plate 403 is even, will make the sound wave conduct under the effect of smooth plate 403, when the sound wave conducts to amortization cotton 405 department, because amortization cotton 405 cross section is hook-shaped, and arrange in proper order along the inner wall of installation cavity, will make the sectional area that the sound propagated shrink suddenly change, reduce the effect that the sound wave propagated and eliminate partial sound, remaining sound wave will continue to propagate simultaneously, the sectional area that the sound propagated this moment of the recess department that will get into curved plate 404 expands once more, and will absorb partial sound wave under the effect of amortization cotton 405, and then play and reduce diesel engine 201 when carrying out the operation, the noise that produces, reduce the influence to the surrounding construction environment.

The utility model discloses when using, diesel engine 201 operation drives generator 2 and carries out work, can reduce the sound that diesel engine 201 produced when starting through buffer gear 3 setting, buffer gear 3 is at the during operation, can slow down diesel engine 201 and rock the sending that has reduced the noise, at the diesel engine 201 during operation, it can reduce the noise that produces when diesel engine 201 operating condition to fall mechanism 4 of making an uproar, when diesel engine 201 starts, produce the shake and can drive supporting platform 303 and remove at the inner wall of kerve 301, it moves down to drive to support post 3022 and drive piston 3025, make the gas of piston 3025 below, take place the extrusion in cylinder 3021's inside, when cylinder 3021 inside gas receives the extrusion, discharge the extrusion gas through the through-hole, reduce the noise that diesel engine 201 produced, through the noise conduction to the installation cavity that the during operation produced of interconnection pipe 402, when sound wave conduction to amortization cotton 405 department, can eliminate partial sound wave through the cooperation of a plurality of amortization cotton 405 and curved plate 404, and then play and reduce diesel engine 201 when moving, the noise that produces, reduce the influence to the surrounding construction environment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a construction emergency power generation device that noise is little which characterized in that includes:

the engine comprises a base plate (1), wherein the upper end of the base plate (1) is fixedly connected with a generator (2), and one side of the generator (2) is connected with a diesel engine (201);

the noise reduction device is used for reducing the noise generated by the power generation device and is arranged on the surface of the diesel engine (201), and the lower end of the noise reduction device extends into the bottom plate (1);

the noise reduction device comprises a buffer mechanism (3) and a noise reduction mechanism (4), wherein the buffer mechanism (3) is arranged at the lower end of the diesel engine (201), the lower end of the buffer mechanism (3) extends to the inside of the bottom plate (1), the buffer mechanism (3) is used for slowing down the shaking generated by the diesel engine (201) in use, the noise reduction mechanism (4) is arranged on the surface of the diesel engine (201), and the noise reduction mechanism (4) is used for reducing the sound generated by the diesel engine (201) in use.

2. The construction emergency power generation device with low noise according to claim 1, wherein: buffer gear (3) are including offering kerve (301) in bottom plate (1) upper end, a plurality of buffer assembly (302) of interior diapire fixedly connected with of kerve (301), the upper end fixedly connected with supporting platform (303) of buffer assembly (302), the surface of supporting platform (303) and the inner wall sliding connection of kerve (301), the upper end of supporting platform (303) and the lower extreme fixed connection of diesel engine (201).

3. The construction emergency power generation device with low noise according to claim 1, wherein: the noise reduction mechanism (4) comprises an outer protective cover (401) and an inner connecting pipe (402), the inner connecting pipe (402) is fixedly connected to the surface of the diesel engine (201), the surface of the inner connecting pipe (402) is fixedly connected with the surface of the outer protective cover (401), and an installation cavity is formed between the outer protective cover (401) and the inner connecting pipe (402).

4. The construction emergency power generation device with low noise according to claim 2, wherein: buffer unit (302) include cylinder body (3021) of diapire in fixed connection in kerve (301), the inner wall sliding connection of cylinder body (3021) has to support and moves post (3022), support and move the upper end of post (3022) and run through to the upper end of cylinder body (3021), support and move the upper end of post (3022) and the interior roof fixed connection of supporting platform (303), the interior bottom wall fixed connection of cylinder body (3021) has guide bar (3024), the inside to supporting post (3022) is run through to the upper end of guide bar (3024).

5. The construction emergency power generation device with low noise according to claim 4, wherein: the surface of the propping column (3022) is fixedly connected with a piston (3025), the surface of the piston (3025) is connected with the inner wall of a cylinder body (3021) in a sliding manner, a circular groove (3023) is formed in the lower end of the propping column (3022), and the inner wall of the circular groove (3023) is connected with the surface of a guide rod (3024) in a sliding manner.

6. The emergency power generation device with low noise for construction according to claim 3, wherein: the inner wall that the installation cavity is close to in-connection pipe (402) is fixedly connected with a plurality of smooth plates (403), the other end fixedly connected with curved plate (404) of smooth plate (403), curved plate (404) fixed connection is in the inner wall of installation cavity, the groove of curved plate (404) is provided with amortization cotton (405).

7. The emergency power generation device with low noise for construction as claimed in claim 4, wherein: the surface cover of guide bar (3024) is equipped with reset spring (3026), the upper end fixed connection of reset spring (3026) is in the lower extreme that supports movable column (3022), the lower extreme fixed connection of reset spring (3026) is in the interior diapire of cylinder body (3021).