Noise reduction and dust prevention device for municipal engineering green construction

Abstract

The utility model discloses a noise reduction and dust prevention device for municipal engineering green construction, and belongs to the technical field of construction dust prevention devices. Comprising a surrounding device arranged on the periphery of a construction site, the surrounding device comprises a surrounding plate seat, a surrounding plate, a silencing plate, a curtain hanging frame and a curtain hanging unit, the surrounding plate seat comprises stand columns arranged at intervals, the bottoms of the stand columns are fixed to embedded parts of the pouring ground, a plurality of lug seats are arranged on the two sides of the inner face of each stand column, and a plurality of cross beams are arranged between the adjacent stand columns; the cross beam is fixed with the lug seat; the outer coaming is fixed to the outer surface of the coaming base through bolts. The silencing plate is fixed on the inner surface of the coaming seat through a bolt; according to the noise reduction and dust prevention device for green construction of municipal engineering, a necking structure can be established at the closed enclosure top, so that an open cover body is established on the periphery of a construction site, the dust prevention and noise reduction effects can be improved, and the noise reduction effect can be ensured by performing multiple times of noise reduction through the wet cotton felt, the noise reduction plate and the noise reduction cotton.

Description

Technical Field

[0001] The utility model specifically relates to a noise reduction and dust prevention device for green construction of municipal engineering, belonging to the technical field of construction dust prevention devices. Background Art

[0002] Before the construction of the project, it is necessary to build a closed enclosure at the construction site to isolate the large amount of dust and noise generated during the construction process, and at the same time isolate irrelevant personnel or animals from entering the construction site, thereby improving construction safety; the existing enclosure, such as the Chinese patent authorization announcement number: CN219261973U, discloses a noise reduction and dust prevention device. This structure can introduce external water sources into the water storage chamber by setting a water inlet, and a drainage pipe is set to use a sprinkler head to evenly spray water to the surroundings. The dust adheres to the mist and falls down, thereby achieving a good dust reduction effect. The sound insulation board can Noise is absorbed; however, the structure needs to use a power system to spray dust removal, which consumes a certain amount of energy and has a general sound insulation effect. Another example is China Patent Authorization Announcement No.: CN221053407U, which discloses a green construction noise reduction and dust prevention net, which achieves the effect of providing noise reduction and dust prevention isolation at the entrance and exit of indoor construction space; it can be adaptively adjusted according to the entrance and exit dimensions of the construction space, thereby achieving an effective noise reduction and dust prevention effect; however, the structure is a planar structure, the dust prevention effect is general, and the outer surface of the sound-absorbing cotton is a closed surface, and the noise reduction effect is not good. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a noise reduction and dust prevention device for green construction of municipal engineering projects, which can establish a constriction structure on the top of a closed enclosure, thereby establishing an open cover body outside the construction site, which can improve the dust prevention and noise reduction effects, and can ensure the noise reduction effect by performing multiple silencers through wet cotton felt, silencer plates and silencer cotton.

[0004] The utility model of the noise reduction and dust prevention device for green construction of municipal engineering includes an enclosure arranged at the periphery of the construction site, and the enclosure includes:

[0005] The enclosure seat comprises columns arranged at intervals, the bottom of the columns are fixed to the embedded parts of the cast ground, a plurality of ear seats are arranged on both sides of the inner surface of the columns, a plurality of beams are arranged between adjacent columns, and the beams are fixed to the ear seats;

[0006] An outer plate, the outer plate is fixed to the outer surface of the enclosure seat by bolts;

[0007] A silencer plate, wherein the silencer plate is a hole row plate, and the silencer plate is fixed to the inner surface of the enclosure seat by bolts;

[0008] A curtain hanging frame, the curtain hanging frame comprises a flange seat fixed to the top of the column, a column is fixed to the top of the flange seat, a hinge seat is embedded in the top of the column and fixed by bolts, a support arm is hinged on the hinge seat, and a slot seat is fixed on the outside of the column; a connecting rod is hinged on the side of the hinge seat, the connecting rod is engaged with the slot seat, and a locking nut sleeve that is tightened against the bottom of the slot seat is screwed on the bottom of the connecting rod; a plurality of limiting holes are arranged on the support arm; a hook seat is fixed on the column;

[0009] The curtain hanging unit comprises a clamping sleeve engaged with the limiting hole; hanging beams are embedded at both ends of the clamping sleeve, and cotton felt is hung on the hanging beam; a pressing block is pressed on the bottom of the cotton felt or covered with soil.

[0010] During assembly, first, holes are opened at intervals on the periphery of the construction site and a concrete platform is poured. Next, the columns are fixed to the embedded parts of the concrete platform, and the crossbeams are fixed to the ear seats. Next, the outer panels and the silencer panels are fixed on both sides of the enclosure seat respectively. Next, the curtain rack is installed. First, the flange seat is fixed to the column, and the hinge seat of the support arm is assembled to the column. The hinge seat is locked by bolts. Next, the connecting rod is engaged with the slot seat, and the locking nut is rotated to tighten the locking nut sleeve against the bottom of the slot seat. After the curtain rack is installed, the sleeve is movably engaged in the limit hole, and the hanging beam is assembled with the cotton felt. Next, the two ends of the hanging beam are embedded in the sleeve to complete the hanging of the cotton felt in this area. When the curtain rack completes the hanging of all the cotton felts, the bottom of the cotton felt is tensioned, and a pressure block is pressed on the bottom of the cotton felt or covered with soil. The construction of the curtain unit is completed.

[0011] Furthermore, the cotton felt is bonded or sewn with multiple rows of outer sleeves that are engaged with the hanging beams; the cotton felt is also bonded or sewn with cloth strips that are movably engaged with the hook seats. When the cotton felt is processed, the outer sleeves and cloth strips are fixed to the cotton felt by applying an adhesive or directly sewing; the cotton felt can be engaged with the hanging beam and the hook seat through the outer sleeves and cloth strips.

[0012] Furthermore, the enclosure seat is provided with sound-absorbing cotton between the outer plate and the sound-absorbing plate. After the sound-absorbing cotton is sound-absorbing once by the sound-absorbing plate, the attenuated noise contacts the sound-absorbing cotton and is sound-absorbing the cotton for a second time, thereby ensuring the noise reduction effect.

[0013] Furthermore, the outer outer plate is a color steel plate or a plastic plate. When in use, the color steel plate or the plastic plate can be selected as the external enclosure according to the enclosure requirements.

[0014] Furthermore, the support arm includes an inclined arm, the top of the inclined arm is integrally formed with a support arm parallel to the ground, the bottom of the inclined arm away from one end of the support arm is integrally formed with a hinged arm, and the hinged arm is hinged to the hinge seat and the connecting rod respectively; the limiting holes are provided on the support arm and the inclined arm; the inclined arm and the support arm cooperate to serve as a supporting frame inside the open cover body.

[0015] Furthermore, the cotton felt is provided with two layers, and an aluminum foil airbag layer is bonded between the two layers of the cotton felt. When the noise contacts the cotton felt and enters the aluminum foil airbag layer, the noise can be reflected and eliminated multiple times through the airbag holes of the aluminum foil airbag layer, thereby improving the noise reduction effect.

[0016] Compared with the prior art, the noise reduction and dust prevention device for green construction of municipal engineering of the utility model can establish a constriction structure on the top of the closed enclosure, thereby establishing an open cover body outside the construction site, which can improve the dust prevention and noise reduction effects. In addition, by spraying water on the cotton felt, the cotton felt is kept in a moisturizing state and can absorb dust. The isolation of the cotton felt can protect the silencer plate and prevent the hole array of the silencer plate from being filled, thereby reducing the silencer effect. During silencer operation, the wet cotton felt after spraying water is used for isolation, followed by secondary silencer operation through the silencer plate, and finally tertiary silencer operation through the cavity of the outer plate and the silencer plate or the silencer cotton, thereby ensuring the noise reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the noise reduction and dust prevention device of the utility model without the installation of the silencer plate and the curtain unit.

[0018] Figure 2 This is a schematic diagram of the curtain hanging frame of the utility model without the clamping sleeve and the hanging beam structure installed.

[0019] Figure 3 It is a structural schematic diagram of the curtain hanging frame without the clamping sleeve and the hanging beam installed on the column of the utility model.

[0020] Figure 4 The utility model is a schematic diagram of the installation structure of the enclosure seat, the outer peripheral plate, the silencer plate and the curtain frame.

[0021] Figure 5 It is a schematic diagram of the overall structure of the noise reduction and dust prevention device of the present utility model.

[0022] Figure 6 For the utility model Figure 5 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] Figure 7 It is a schematic diagram of the rolled cotton felt structure of the utility model.

[0024] Figure 8 It is a schematic diagram of the installation structure of the enclosure seat and the sound-absorbing cotton of the utility model.

[0025] Fig. 9 It is a schematic structural diagram of another embodiment of the cotton felt of the present utility model.

[0026] Fig.10 The utility model is a schematic diagram of the shrinkage structure of the enclosure top.

[0027] Figure numerals: 1, column, 2, ear seat, 3, cross beam, 4, outer plate, 5, aluminum foil airbag layer, 6, silencer plate, 7, flange seat, 8, column, 9, support arm, 10, slot seat, 11, connecting rod, 12, locking screw sleeve, 13, limiting hole, 14, hook seat, 15, clamping sleeve, 16, hanging beam, 17, cotton felt, 18, outer sleeve, 19, cloth strip, 20, silencer cotton, 21, inclined arm, 22, support arm, 23, articulated arm, 24, articulated seat, 25, open cover. DETAILED DESCRIPTION

[0028] Example:

[0029] like Figures 1 to 9 The noise reduction and dust prevention device for green construction of municipal engineering shown includes an enclosure arranged outside the construction site, and the enclosure includes:

[0030] The enclosure seat comprises columns 1 arranged at intervals, the bottom of the columns 1 is fixed to the embedded parts of the cast ground, a plurality of ear seats 2 are arranged on both sides of the inner surface of the columns 1, and a plurality of beams 3 are arranged between adjacent columns 1, and the beams 3 are fixed to the ear seats 2;

[0031] The outer plate 4 is fixed to the outer surface of the enclosure seat by bolts;

[0032] A silencer plate 6, wherein the silencer plate 6 is a hole row plate, and the silencer plate 6 is fixed to the inner surface of the enclosure seat by bolts;

[0033] A curtain hanging frame, the curtain hanging frame comprises a flange seat 7 fixed to the top of a column 1, a column 8 is fixed to the top of the flange seat 7, a hinge seat 24 is embedded at the top of the column 8 and fixed by bolts, a support arm 9 is hinged on the hinge seat 24, and a slot seat 10 is fixed to the outside of the column 8; the support arm 9 is hinged to a connecting rod 11 on the side of the hinge seat 24, the connecting rod 11 is engaged with the slot seat 10, and a locking screw sleeve 12 that is tightened against the bottom of the slot seat 10 is screwed to the bottom of the connecting rod 11; a plurality of limiting holes 13 are provided on the support arm 9; a hook seat 14 is fixed on the column 8;

[0034] The curtain hanging unit comprises a clamping sleeve 15 clamped with the limiting hole 13; the two ends of the clamping sleeve 15 are embedded with hanging beams 16, and a cotton felt 17 is hung on the hanging beam 16; the bottom of the cotton felt 17 is pressed with a pressing block or covered with soil.

[0035] During assembly, first, holes are opened at intervals on the periphery of the construction site and a concrete platform is poured. Then, the column 1 is fixed to the embedded parts of the concrete platform, and the crossbeam 3 is fixed to the ear seat 2. Then, the outer plate 4 and the muffler plate 6 are fixed on both sides of the enclosure seat respectively. Then, the curtain rack is installed. First, the flange seat 7 is fixed to the column 1, and the hinge seat 24 of the support arm 9 is assembled to the column 8. The hinge seat 24 is locked by bolts. Then, the connecting rod 11 is engaged with the slot seat 10, and the connecting rod 11 is screwed. Turn the locking screw sleeve 12 to tighten the locking screw sleeve 12 against the bottom of the slot seat 10; complete the installation of the curtain rack, then, movably engage the clamping sleeve 15 in the limiting hole 13, and assemble the hanging beam 16 and the cotton felt 17, then, embed the two ends of the hanging beam 16 into the clamping sleeve 15 to complete the hanging of the cotton felt 17 in this area, when the curtain rack completes the hanging of all the cotton felts 17, tighten the bottom of the cotton felt 17, and press a pressure block or cover the bottom of the cotton felt 17 with soil; complete the construction of the curtain unit.

[0036] The cotton felt 17 is bonded or sewn with multiple rows of outer sleeves 18 that are engaged with the hanging beam 16; the cotton felt 17 is also bonded or sewn with cloth strips 19 that are movably engaged with the hook seat 14. When the cotton felt 17 is processed, the outer sleeves 18 and the cloth strips 19 are fixed to the cotton felt 17 by applying an adhesive or directly sewing; the cotton felt 17 can be engaged with the hanging beam 16 and the hook seat 14 through the outer sleeves 18 and the cloth strips 19.

[0037] The enclosure seat is provided with a sound-absorbing cotton 20 between the outer plate 4 and the sound-absorbing plate 6. After the sound-absorbing cotton 20 is sound-absorbing once by the sound-absorbing plate 6, the attenuated noise contacts the sound-absorbing cotton 20 and is sound-absorbing by the sound-absorbing cotton 20 for a second time, thereby ensuring the noise reduction effect.

[0038] The outer panel 4 is a color steel plate or a plastic plate. When in use, the color steel plate or the plastic plate can be selected as the outer enclosure according to the enclosure requirements.

[0039] The support arm 9 includes an inclined arm 21, the top of the inclined arm 21 is integrally formed with a support arm 22 parallel to the ground, the bottom of the inclined arm 21 is integrally formed with an articulated arm 23 away from one end of the support arm 22, and the articulated arm 23 is respectively hinged to the hinge seat 24 and the connecting rod 11; the limiting hole 13 is opened on the support arm 22 and the inclined arm 21; the inclined arm 21 and the support arm 22 cooperate to serve as a supporting frame on the inner side of the open cover body 25.

[0040] The cotton felt 17 is provided with two layers, and an aluminum foil airbag layer 5 is bonded between the two layers of the cotton felt 17. When the noise contacts the cotton felt 17 and enters the aluminum foil airbag layer 5, the noise can be reflected and eliminated multiple times through the airbag holes of the aluminum foil airbag layer 5, thereby improving the noise reduction effect.

[0041] like Fig.10As shown, taking the establishment of a square enclosure as an example, a square enclosure is established on the periphery of the construction site by means of an enclosure base, an outer panel 4 and a silencer panel 6, and a curtain frame and a curtain unit are assembled on the top surface of the column 1 of the enclosure base, thereby forming an open cover body 25 on the top surface of the enclosure; the open cover body 25 is supported by an inclined arm 21 and a support arm 22, and therefore, the open cover body 25 forms a shrinking structure.

[0042] The above embodiments are only preferred implementations of the present invention, so any equivalent changes or modifications made according to the structures, features and principles described in the scope of application of the present invention are included in the scope of application of the present invention.

Claims

1. A noise reduction and dust prevention device for green construction of municipal engineering, including an enclosure arranged outside the construction site, characterized in that: The enclosure includes: The enclosure seat comprises columns arranged at intervals, the bottom of the columns are fixed to the embedded parts of the cast ground, a plurality of ear seats are arranged on both sides of the inner surface of the columns, a plurality of beams are arranged between adjacent columns, and the beams are fixed to the ear seats; An outer plate, the outer plate is fixed to the outer surface of the enclosure seat by bolts; A silencer plate, wherein the silencer plate is a hole row plate, and the silencer plate is fixed to the inner surface of the enclosure seat by bolts; A curtain hanging frame, the curtain hanging frame comprises a flange seat fixed to the top of the column, a column is fixed to the top of the flange seat, a hinge seat is embedded in the top of the column and fixed by bolts, a support arm is hinged on the hinge seat, and a slot seat is fixed on the outside of the column; a connecting rod is hinged on the side of the hinge seat, the connecting rod is engaged with the slot seat, and a locking nut sleeve that is tightened against the bottom of the slot seat is screwed on the bottom of the connecting rod; a plurality of limiting holes are arranged on the support arm; a hook seat is fixed on the column; The curtain hanging unit comprises a clamping sleeve engaged with the limiting hole; hanging beams are embedded at both ends of the clamping sleeve, and cotton felt is hung on the hanging beam; a pressing block is pressed on the bottom of the cotton felt or covered with soil.

2. The noise reduction and dust prevention device for green construction of municipal engineering according to claim 1 is characterized by: The cotton felt is bonded or sewn with multiple rows of outer sleeves that are engaged with the hanging beams; the cotton felt is also bonded or sewn with cloth strips that are movably engaged with the hook seat.

3. The noise reduction and dust prevention device for green construction of municipal engineering according to claim 1 is characterized by: The enclosure seat is provided with sound-absorbing cotton between the outer plate and the sound-absorbing plate.

4. The noise reduction and dust prevention device for green construction of municipal engineering according to claim 1 is characterized by: The outer plate is a color steel plate or a plastic plate.

5. The noise reduction and dust prevention device for green construction of municipal engineering according to claim 1 is characterized by: The support arm includes an inclined arm, the top of the inclined arm is integrally formed with a support arm parallel to the ground, the bottom of the inclined arm is integrally formed with a hinged arm away from one end of the support arm, and the hinged arm is hinged to the hinge seat and the connecting rod respectively; the limiting holes are opened on the support arm and the inclined arm.

6. The noise reduction and dust prevention device for green construction of municipal engineering according to claim 1 is characterized by: The cotton felt is provided with two layers, and an aluminum foil airbag layer is bonded between the two layers of the cotton felt.

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