CN210483144U - Noise reduction and silencing chamber - Google Patents

Abstract

The utility model discloses an amortization bin of making an uproar falls belongs to the oil field and falls the technical field of making an uproar. Including the shaped steel frame, the shaped steel frame includes the top frame and sets up two at least side frames for support on the top frame, the rigid coupling has the board of making an uproar of falling respectively on top frame and the side frame, the board of making an uproar of falling includes the abatvoix of rigid coupling in proper order, falls the layer of making an uproar and damping acoustic celotex board, the damping acoustic celotex board includes two-layer fibreboard and presss from both sides the second deadening felt of locating between two-layer fibreboard. This noise reduction and noise reduction bin falls through setting up the board of making an uproar on the shaped steel frame that has top frame and side frame, can realize enclosing the main sound source of intensive high noise environment and fall and make an uproar, strengthens the target accuracy nature of making an uproar, and each noise reduction and noise reduction bin of making an uproar is independent whole, has that dispersion workability is strong, reuse's effect.

Description

Noise reduction and silencing chamber

Technical Field

The utility model relates to an oil field noise reduction technical field, concretely relates to noise reduction amortization bin of making an uproar falls.

Background

At present, aiming at the noise emitted by a diesel engine and a winch during the oil field well repairing operation, a sound barrier is mostly erected in the prior art to solve the problem of noise reduction. The sound barrier can play a role in blocking noise with dispersed sound source, low audio frequency and far distance between the sound source and the sensitive point, but the effect is not ideal for high-noise environment.

In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and beneficial researches, and the final product has obtained effective results and formed the technical solutions to be described below.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a noise reduction amortization bin falls to adopt in the oil field well workover to set up the sound barrier and fall the noise and lead to the unsatisfactory problem of noise reduction effect to main sound source under the high noise environment among the solution prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a noise reduction bin of making an uproar, includes the shaped steel frame, the shaped steel frame includes top frame and sets up two at least side frames for support on top frame, the rigid coupling has the board of making an uproar respectively on top frame and the side frame, the board of making an uproar includes the abatvoix of rigid coupling in proper order, falls the layer of making an uproar and damping acoustic celotex board, the damping acoustic celotex board includes two-layer fibreboard and presss from both sides the second deadening.

Further, it makes an uproar layer including being used for the first layer of making an uproar and being used for the second of making an uproar to fall the layer of making an uproar for the first time and inhale the sound cotton, the first layer of making an uproar includes first sound absorption cotton and first deadening felt, sound cotton and the damping acoustic celotex board rigid coupling in proper order are inhaled to abatvoix, first sound absorption cotton, first deadening felt, second.

Furthermore, the sound absorption plate is provided with a sound absorption hole for transmitting sound waves to the first noise reduction layer.

Furthermore, a sliding door is arranged on the noise reduction plate of the side frame, and a noise reduction plate is arranged on the sliding door.

Furthermore, an axial flow fan and a refrigerating fan which are communicated with the inner side and the outer side of the steel frame are arranged on the noise reduction plate of the top frame.

Further, the bottom ends of the side frames are provided with wheels for improving the mobility.

Further, side frame in the shaped steel frame is equipped with four, the top frame is rectangle top frame, four side frame tops respectively with rectangle top frame's border bottom sliding fit all around, four side frame bottoms sliding fit respectively have the guided way of laying on ground.

The utility model has the advantages of as follows:

1. the noise reduction and silencing bin is provided with the noise reduction plate on the profile steel frame with the top frame and the side frame, so that the main sound source in a dense high-noise environment can be protected and denoised, the target accuracy of noise reduction is enhanced, and each noise reduction and silencing bin is an independent whole and has the effects of strong dispersion workability and reusability;

2. the assembly of the profile steel frame and the assembly of the noise reduction plate and the profile steel frame are bolted, so that the assembly, disassembly, assembly, transportation and movement are convenient, and the cost is saved;

3. this noise reduction amortization bin of making an uproar absorbs the sound wave back through aluminium system abatvoix, and the cotton consumption of sound is inhaled through the fibre, and the separation of rethread deadening felt, remaining sound wave have promoted the noise reduction effect again once more.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and the structures, proportions, sizes, etc. shown in the present specification are only used to match the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and any modifications of the structures, changes of the proportion relations, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the functions and the achievable objects of the present invention.

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

fig. 2 is a schematic view of a composition structure of a noise reduction plate in an embodiment of the present invention;

fig. 3 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 4 is a schematic view of the distribution positions of the guide rails in embodiment 3 of the present invention.

In the figure: the sound absorption and insulation structure comprises a profile steel frame 1, a noise reduction plate 2, a sound absorption plate 21, a sound absorption hole 22, first sound absorption cotton 23, first sound insulation felt 24, second sound absorption cotton 25, a damping sound insulation plate 26, a fiber plate 261, second sound insulation felt 262, a sliding door 3, a bin opening 4, an axial flow fan 5, a refrigeration fan 6 and a sound insulation door 7.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Example 1

As shown in fig. 1, the embodiment of the utility model provides a noise reduction bin falls, including shaped steel frame 1 and the board 2 of making an uproar falls of rigid coupling on shaped steel frame 1, specifically set up as follows:

the section steel frame 1 adopts the bolt mode to form U type frame, and U type section steel frame 1 includes a top frame and two side frames frame, equal rigid coupling has the board of making an uproar 2 of falling on top frame and the side frame for it makes an uproar to enclose main sound source, promotes the performance of making an uproar of falling to intensive high noise environment.

The steel frame 1 and the noise reduction plate 2 are fixedly connected by gluing or bolting.

Preferably, the two ends of the side frame of the section steel frame 1 are respectively provided with a chamber port 4, so that workover machinery can directly enter and exit, and the convenience is improved; the noise reduction plate 2 of the side frame is provided with a sliding door 3 for facilitating the passing in and out of an operator, the inner side wall of the sliding door 3 is fixedly connected with the noise reduction plate 2, and the sliding door 3 made of the noise reduction plate 2 can also be directly used for maintaining the noise reduction performance; and the noise reduction plate 2 of the top frame is respectively bolted with an axial flow fan 5 and a refrigerating fan 6 which are communicated with the inner side and the outer side of the steel frame 1, and the axial flow fan 5 and the refrigerating fan 6 are respectively electrically connected with an external power supply and used for enhancing the air flowing and air exhausting performance of the inner side of the steel frame 1 and reducing the working environment temperature of the workover treatment machine.

Preferably, still be equipped with a plurality of wheels on the shaped steel frame 1 and lie in side frame bottom for make shaped steel frame 1 can freely remove as required, promoted whole flexibility.

It should be noted that, two distance range is 2 ~ 3m between the side frame, axial fan 5 adopts the square wall type axial fan that the model is DFBZ, cooling fan 6 adopts the industry cooling fan that the model is KT 18-X30A.

Specifically, as shown in fig. 2, noise reduction plate 2 includes sound absorbing plate 21, first sound absorbing cotton 23, first deadening felt 24, the second sound absorbing cotton 25 and the damping acoustic celotex board 26 that the rigid coupling set up in proper order, wherein sound absorbing plate 21 adopts aluminium system material, and evenly is equipped with a plurality of sound absorbing holes 22 on the sound absorbing plate 21 for inhale the noise sound wave to sound absorbing plate 21's plate body in through sound absorbing hole 22, and then conduct in proper order to first sound absorbing cotton 23, first deadening felt 24, the second sound absorbing cotton 25 and damping acoustic celotex board 26, realize the multiple noise reduction.

Preferably, the first sound absorption cotton 23 and the second sound absorption cotton 25 both adopt fiber sound absorption cotton for consuming the entering sound waves through fine gaps between the fibers, the fibers are in a three-dimensional crossing structure and are intertwined with each other, and the noise sound waves are collided and reflected in the gaps and are gradually consumed.

Preferably, the first and second deadening felts 24 and 26 are damping deadening felts, which can attenuate transmitted sound energy of noise sound waves and enhance a soundproofing effect due to their air-impermeable characteristics, and can also effectively damp vibrations due to their flexibility, thereby suppressing transmission of sound.

Preferably, the damping acoustic panel 26 includes two layers of fiberboards 261 and a second deadening felt 262 sandwiched between the two layers of fiberboards 261, and the fiberboards 261 and the second deadening felt 262 are pressed and integrated into one piece to be used for matching with the deadening felt by using smaller fiber holes on the fiberboards 261, so that the damping acoustic panel 26 has the double effects of sound absorbing cotton and the deadening felt, and residual noise sound waves are effectively removed.

The thickness of the sound-absorbing plate 21 is 3mm, the thickness of the first sound-absorbing cotton 23 is 5cm, the thickness of the first sound-insulating felt 24 is 4mm, the thickness of the second sound-absorbing cotton 25 is 3cm, and the thickness of the damping sound-insulating plate 26 is 1.5cm, so that the overall thickness of the noise-reducing plate 2 reaches 10cm, and the noise-reducing plate has certain strength and compressive resistance and ensures the noise-reducing effect; the fixing modes adopted among the sound-absorbing plate 21, the first sound-absorbing cotton 23, the first deadening felt 24, the second sound-absorbing cotton 25 and the damping sound-absorbing plate 26 which are sequentially and fixedly connected in the noise reduction plate 2 include but are not limited to cementing and bolting.

Example 2

In embodiment 2, the same reference numerals are given to the same structures as those in embodiment 1, the same description is omitted, and embodiment 2 is improved on the basis of embodiment 1, as shown in fig. 3, two of the bin ports 4 are respectively provided with a soundproof door 7, and the soundproof doors 7 are connected to the side frames of the section steel frame 1, so as to significantly improve the frame envelope and the noise insulation degree during the mechanical operation process on the basis of ensuring the convenient access of the workover rig.

Example 3

In embodiment 3, the same structure as that in embodiment 1 is given the same symbols, and the same description is omitted, and embodiment 3 is an improvement on embodiment 1, where four side frames are provided in the profile steel frame 1, the top ends of the four side frames are respectively in sliding fit with the bottom ends of the peripheral edges of the rectangular top frame, as shown in fig. 4, the bottom ends of the four side frames are respectively in sliding fit with guide rails laid on the ground, so that the side frames on the periphery of the top frame can be freely opened in a sliding manner as required, and the workover rig can conveniently enter and exit from various directions, and when the noise reduction requirement is not large, the side frame on one side can be opened to assist ventilation, thereby reducing the working environment temperature of the workover rig.

The use process of the noise reduction and silencing chamber is as follows:

when the device is used, firstly, the profile steel frame 1 with the noise reduction plate 2 is moved to the outside of the workover rig, or the workover rig is moved into the profile steel frame 1, so that the profile steel frame 1 encloses the workover rig;

secondly, when the workover operation machinery works to generate noise, the noise sound waves are transmitted to the noise reduction plate 2 and are transmitted to the first sound absorption cotton 23 through the sound absorption holes 22 on the sound absorption plate 21 in the noise reduction plate 2, the sound waves reach the first sound insulation felt 24 after being collided, reflected and consumed in fiber pores in the first sound absorption cotton 23, and the transmitted sound energy and vibration of the noise sound waves are further weakened through the first sound insulation felt 24;

finally, the residual sound waves after being denoised by the first sound-absorbing cotton 23 and the first sound-insulating felt 24 sequentially pass through the second sound-absorbing cotton 25 and the second sound-insulating felt 26, are circularly denoised again, and pass through a fiber board 27 with smaller fiber pores so as to fully achieve the purpose of denoising.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (7)

1. A noise reduction and silencing bin is characterized in that: including the shaped steel frame, the shaped steel frame includes the top frame and sets up two at least side frames for support on the top frame, the rigid coupling has the board of making an uproar of falling respectively on top frame and the side frame, the board of making an uproar of falling includes the abatvoix of rigid coupling in proper order, falls the layer of making an uproar and damping acoustic celotex board, the damping acoustic celotex board includes two-layer fibreboard and presss from both sides the second deadening felt of locating between two-layer fibreboard.

2. The noise reduction and noise reduction bin according to claim 1, wherein the noise reduction layer comprises a first noise reduction layer for primary noise reduction and a second noise absorption cotton for secondary noise reduction, the first noise reduction layer comprises a first noise absorption cotton and a first sound insulation felt, and the noise absorption plate, the first noise absorption cotton, the first sound insulation felt, the second noise absorption cotton and the damping sound insulation plate are fixedly connected in sequence.

3. A noise reducing and silencing chamber as defined in claim 1, wherein said sound absorbing panel is provided with sound absorbing holes for conducting sound waves to said first noise reducing layer.

4. The noise reduction and silencing chamber according to claim 1, wherein the noise reduction plates of the side frames are provided with sliding doors, and the sliding doors are provided with noise reduction plates.

5. The noise-reducing and silencing bin as claimed in claim 1, wherein the noise-reducing plate of the top frame is provided with an axial flow fan and a refrigerating fan which are communicated with the inside and the outside of the steel frame.

6. A noise reduction and silencing chamber as defined in claim 1, wherein said side frame has a wheel at a bottom end thereof.

7. The noise reduction and silencing bin as claimed in claim 1, wherein the steel frame has four side frames, the top frame is a rectangular top frame, the top ends of the four side frames are respectively matched with the bottom ends of the peripheral edges of the rectangular top frame in a sliding manner, and the bottom ends of the four side frames are respectively matched with guide rails laid on the ground in a sliding manner.

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