JP2012062694A - Sound-proof tent for construction work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sound-proof tent for construction work which is light-weight and handleable and needs no space for folding by employing a frame of an air tube, and which allows the tent membrane to be extended speedily and easily.SOLUTION: Inside a frame 1 of an air tube which can be assembled by injection of air, a tent membrane 8 of a sound insulation (sound-proof) sheet is suspended and extended. Also, a thermal barrier sheet is provided around an inside lower part of the tent membrane 8 of the sound insulation (sound-proof) sheet, while being suspended at its upper end from the sound insulation (sound-proof) sheet.

Description

  The present invention relates to a soundproofing tent for construction work as a soundproofing equipment that is easy to move, install and remove, and to reduce noise generated by noise generation work (for example, small-scale concrete dismantling work) at a construction site. is there.

  As a feature of small-scale concrete demolition work, the work place is frequently moved, a breaker used for turning concrete, and there is a stepping stone at the same time as noise is generated. And there are problems such as spatter during gas fusing and arc fusing work and fusing spatter.

  To prevent noise and toppling stones, sound insulation (soundproof) sheets, etc., and to prevent spatter and fusing, the fire protection sheets, etc. are used to enclose these sheets, and these sheets are attached to a framework such as a steel pipe. Is adopted.

  However, it takes time to assemble and disassemble, and there is a difficulty in terms of mobility corresponding to the movement of the work place.

The following patent document is a so-called foldable work soundproof tent, a telescopic frame structure in which side portions of a plurality of substantially inverted U-shaped frame members aligned with each other are sequentially connected to each other by an X-bar link, and an extension. And a soundproof / waterproof cover that covers the top surface, the side surface, and the end surface of the frame structure along the outline of the frame structure in the state.
Japanese Utility Model Publication 2-53453

  In Patent Document 1, the soundproof / waterproof cover on at least one end face in the expansion / contraction direction of the frame structure is freely opened and closed. Further, the frame structure is provided with a caster device so that it can be easily moved.

  The soundproof / waterproof cover includes a first cover in which a sound absorbing material sheet is covered with a flameproof sheet, and a second cover as a waterproof sheet separate from the cover. The second cover is disposed outside the frame structure and attached to the inside of the frame structure. The soundproof / waterproof cover disposed outside the frame structure is a cover in which a waterproof sheet is provided on the upper surface, a flameproof sheet is provided on the lower surface, and a sound absorbing sheet is integrated between the upper surface and the lower surface.

  This is because the tent is dismantled and contracted for storage or transportation when not in use, and the tent is extended when performing field work that generates noise, and after the work is completed in the tent and the tent installation site is completed. The caster device provided in the frame structure moves to an adjacent work position where construction is to be performed. During work, the soundproof / waterproof cover attached to the frame structure prevents the noise inside the tent from leaking out and prevents rain from entering the tent.

Although not intended for sound insulation (soundproofing), as a simple structure composed of a framework of an air tube and a film material on which the air tube is attached, the following patent document has been proposed.
JP 2008-196206 A JP-A-11-264264 JP 2004-132006 A Japanese Patent Laid-Open No. 11-152939

  The above-mentioned Patent Document 2 is an airtight structure in which at least a side surface thereof is formed of a film material, includes a gas injection port communicated with the inside thereof, and becomes an arched column having both ends thereof at the lower ends when air is introduced. The air beam structure includes a plurality of column members and a plurality of the column members filled with air so as to be substantially parallel to each other.

  Patent Document 3 is formed by a plurality of arches formed by air chambers formed of bags and standing by facing each other with a space between them and an air chamber formed by bags and spanned between the arches. It is an air tent formed by detaching a tent on the outside of a frame consisting of a plurality of rows of crossbars, detaching an lining sheet on the inside, and stretching a ground sheet between the frames.

  Patent Document 4 discloses that a comfortable living environment can be created even under adverse conditions such as cold regions and extremely hot regions. In order to improve the heat insulation of the air tent, a spacer member and a canopy sheet are provided on the awning. An air layer is formed between the awning and the canopy sheet by covering the heat insulating layer forming material.

  Patent document 5 relates to an air tube tent, and provides a structure that can easily and reliably fix a leg portion of a frame structure composed of columnar air chambers to an installation position on a floor sheet, and is a floor laid on the ground. An air tube tent in which a columnar air chamber that can be expanded and contracted is provided on a sheet to form a frame structure of the tent, and the surface of the frame structure is covered with an outer skin. Then, the rising portion is formed in a surrounding manner, each leg portion included in the frame structure is placed on the floor sheet, and these leg portions are held from the periphery by the rising portion.

  The work soundproof tent of Patent Document 1 includes a telescopic frame structure and a soundproof / waterproof cover that covers the frame structure, and the tent can be disassembled and contracted for storage or transportation. However, the frame structure is considerably heavy. In addition, it is bulky even when folded. In order to move, it is necessary to use a caster device provided in the frame structure.

  In addition, a plurality of personnel are required to install or remove the soundproof / waterproof cover so as to cover the spread frame structure, which requires time and labor.

  The air tube tent is a relatively large structure except for Patent Document 5, and is not suitable for application to a soundproof tent for construction work that is a simple structure.

  In addition, all of Patent Documents 2 to 5 are such that a membrane material as an outer skin is integrally covered on the outside of an air tube as a framework of a tent, and the same as Patent Document 1, A plurality of personnel are required to install or remove the air tube from the air tube so as to cover the membrane material, and time and labor are required.

  The object of the present invention is to eliminate the inconvenience and to make the frame an air tube, so that it is light and easy to handle, does not take up space for folding, and is also quick and easy to deploy a tent membrane. For example, it is to provide a soundproof tent for construction work that is very effective even for work that can be performed only for a short time such as night work on a railway business line.

  In order to achieve the above object, the gist of the present invention is that a tent film of a sound insulation (soundproof) sheet is hung and extended inside a framework of an air tube that can be assembled by air injection. It is.

  According to the present invention of claim 1, the framework of the air tube rises by injecting air, and at that time, the tent film of the sound insulation (soundproof) sheet folded inside is also laid in a suspended state, It can be installed quickly without any hand. Further, the sound insulation (soundproof) sheet is only suspended and can be easily replaced even if it is damaged. And the concrete work by the breaker is done in the sound insulation (soundproof) sheet, and the noise can be prevented from leaking to the outside, and even if there is a stepping stone, it is held down by the sound insulation (soundproof) sheet and does not hit the air tube There is no risk of the air tube breaking.

  The gist of the present invention described in claim 2 is that the heat insulating sheet is hung on the sound insulating (soundproof) sheet and attached to the lower part inside the tent film of the sound insulating (soundproof) sheet. .

  According to the second aspect of the present invention, in the case of reinforced concrete, it is necessary to melt the reinforcing bar as it is dismantled, and spatter and spatter of the blown noro during gas fusing and arc fusing operations are blocked by this heat shield sheet. . There is no risk of the air tube breaking due to spatter or spattering. The soundproof tent for construction work according to the present invention maximizes the soundproofing effect, and in order to facilitate movement, it is necessary to reduce the size of the soundproof tent as much as possible. However, this heat shield sheet is installed on the lower side as a particularly susceptible location. In addition, the heat insulation sheet can be supported by the sound insulation (soundproof) sheet by suspending it around the sound insulation (soundproof) sheet and installed. The role to protect can be demonstrated. During storage, the heat insulation sheet and the sound insulation (sound insulation) sheet can be separated and folded.

  According to the third aspect of the present invention, the frame of the air tube has a purlin tube, a rafter tube, and a beam tube that form a gable-type roof portion, and is integrally formed with four column tubes at the four corners of the roof portion. The gist is that the foundation beam tube communicates with the lower end of the column tube.

  According to the third aspect of the present invention, a gable roof portion is formed on the frame of the air tube, so that the tent membrane of the sound insulating (soundproof) sheet is suspended and extended. However, it becomes stable.

  The gist of the present invention described in claim 4 is that the tent film of the sound insulation (soundproof) sheet is composed of a roof film and a wall film, and the roof film is inclined from the ridge top.

  According to the fourth aspect of the present invention, the tent film of the sound insulation (soundproof) sheet is formed by inclining the roof film in accordance with the structure of the air tube and forming the gable roof portion. It can be hung without a useless space inside the frame.

  The gist of the present invention described in claim 5 is that the tent film of the sound insulation (soundproof) sheet is such that, in the suspended state, the length of the wall film is such that the lower end of the wall film is more outward than the foundation beam tube. It is what.

  According to the fifth aspect of the present invention, since the tent film of the sound insulation sheet is in a suspended and extended state, the length of the wall film is such that the lower end of the wall film is located outside the foundation beam tube. Even if there is unevenness on the surface, it can be covered sufficiently, and by further pressing the top with a foundation beam tube, it is possible to reliably prevent sound leakage.

  The gist of the present invention described in claim 6 is that the tent film of the sound insulation (sound insulation) sheet has translucency.

  According to the sixth aspect of the present invention, the tent film not only has excellent soundproofing performance but also has daylighting properties, so that it is possible to work in a bright space even during daytime without lighting.

  As described above, the soundproof tent for construction work according to the present invention is light and easy to handle, does not take up space for folding, and can be quickly and easily installed to tent films. is there.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view showing an embodiment of a soundproof tent for construction work according to the present invention, FIG. 2 is a side view of the same, and 1 in FIG. 1 is a columnar shape that can be assembled by air injection using polyvinyl chloride (PVC) as a main material. The frame 1 includes a gable-type roof portion 2, four column tubes 6 that support the roof portion 2, and the upper ends thereof communicate with the four corners of the roof portion 2. It consists of a foundation beam tube 7 passed between the lower ends of the column tubes 6.

  The gable roof 2 includes a purlin tube 3 lying on the top, a rafter tube 4 inclined downward from the end of the purlin tube 3, and a beam tube 5 spanned between the rafter tubes 4.

  A plurality of air tubes forming these frames 1 communicate with each other, and one of them includes a safety valve 14 and a charge / exhaust valve 15. In addition, each air tube has a double structure of a main body beam and an inner bag tube so that the inner bag tube is less likely to be damaged and air leakage is prevented. In addition, since the inner bag tube can be removed, it is possible to repair and replace it on site.

  Although not shown in the drawings, the air tube can be easily started up by blowing with a manual pump or an electric pump, and does not require blowing after starting up, and maintains its shape due to excellent airtightness. .

  In the figure, reference numeral 13 denotes a suspension ring provided on the air tube, which is used to suspend the assembled tent to a predetermined position with a crane or the like as necessary. The foundation beam tube 7 was provided with a rope handle 10 for use in movement after assembly.

  A tent film 8 of a sound insulation (soundproof) sheet was hung by a suspension ring 17 inside the framework 1 combined with an air tube. The tent film 8 of the sound insulating (soundproof) sheet includes a roof film 8a and a wall film 8b, and the roof film 8a is inclined downward from the ridge top 8c. The main material of the sound insulation (sound insulation) sheet can be selected from polyester, vinyl chloride resin, polypropylene, polyethylene, etc. For example, a soft sound insulation sheet in which a base fabric woven with polyester fibers is sandwiched with vinyl chloride resin can be used. . (Kuraray Co., Ltd .: Product name Sound Shutter KN-1100 Daylighting)

This Kuraray Co., Ltd. product name: Sound Shutter KN-1100 The physical properties of the tent film 8 of the sound insulation (soundproof) sheet by daylighting are as shown in Table 1 below.

  In addition, as the sound insulation (sound insulation) sheet, a commercially available sheet can be used, for example, a sheet such as paper, cloth, nonwoven fabric, metal foil, resin sheet, metal powder, lead oxide, iron oxide, and the like. Further, a sheet obtained by sticking a film such as a vinyl chloride resin, a polyethylene resin, or a polypropylene resin filled with an inorganic filler such as barium carbonate can be used.

  The wall film 8b is provided with a dripping film type entrance 9 that is opened and closed by opening / closing means such as Velcro (registered trademark) or a fastener on the front surface of the wall film 8b.

  Further, a ventilation duct 20 and an exhaust duct 21 were formed on the side surface of the wall film 8b, and a wiring duct 23 was formed on the side of the entrance / exit 9 on the front surface. The ventilation duct 20 and the exhaust duct 21 are made of a membrane material, and an air supply pipe 23 and an exhaust pipe 24 are connected to the bellows hood, and a compressor is provided in the air supply pipe 23 to blow air from the ventilation duct 20 into the tent. Then, the exhaust duct 21 is discharged out of the tent. The wiring ducts 22 are formed in pairs on a diagonal line.

  The ventilation duct 20 and the exhaust duct 21 are formed on the wall film 8b facing each other. By setting the opening position of the ventilation duct 20 higher than the opening position of the exhaust duct 21, the ventilation duct 20 sends air to the inside of the tent. Was made to flow smoothly into the exhaust duct 21 without becoming an updraft. Thereby, it is possible to prevent dust from flying up in the tent.

  Although not shown in the drawings, the tent film 8 of the sound insulating (soundproof) sheet has a wall film whose length is such that the lower end of the wall film is more outward than the foundation beam tube 7 in a suspended state. Dive under 7 and extend the edges outward.

  By doing in this way, even if there is uneven land on the floor surface, the tent film 8 can be sufficiently covered with it, and by further pressing the top with the foundation beam tube, sound leakage is reliably prevented. Can do.

  As shown in FIG. 5, a heat insulating sheet (sputtered sheet) 18 is hung on the sound insulating (soundproofing) sheet on the inner lower part of the tent film 8 by a stopper 19 made of a ring body such as a carabiner. Stopped and stuck in the attached state. The heat shield sheet 18 is mainly made of carbon fiber, silica fiber, glass fiber or the like.

  Next, installation and removal work procedures will be described. As an installation procedure, first, a place where the soundproof tent (hereinafter referred to as a tent) of the present invention is to be extended is determined. This requires a space of about 4m x 4m. Make sure there are no sharp objects (pebbles, rebars, tools, etc.) in the place where the tent is extended.

  To protect the tent, the attached floor protection sheet 25 is expanded. Prepare a power cord, electric blower, and blower hose.

  Spread the tent. Remove the bubble cap from the tent. Connect the tip adapter of the blower hose to the valve. Connect the blower hose to the exhaust port side of the electric blower. Switch on the electric blower and start blowing.

  3 to 4 show a state in which air enters the air tube forming the skeleton 1. When the skeleton 1 is folded (FIG. 3), the tent film 8 of the sound insulating (soundproof) sheet is also skeleton by the suspension ring 17. Locked to 1 but folded inward.

  When air enters the air tube to some extent, start up with assistance from the four corners. As shown in FIG. 4, the upper part of the tent is turned up by 90 degrees.

  After the tent is up, continue blowing for 5-10 seconds and stop.

  Remove the blower hose from the valve and turn off the electric blower. Close the valve cap.

  As the storage procedure, first, the attached floor protection sheet is spread out next to it. Place workers in the four corners of the tent.

  Open the zipper at the entrance 9. Remove the valve cap and press the button to vent.

  Similarly to the extension, the upper beam (roof 2) is overlapped on the lower beam (column tube 6 and foundation beam tube 7) while rotating the upper part of the tent by 90 degrees.

  Next, the air is discharged using an electric blower to make a vacuum state. Connect the power cord to the “inlet” side of the electric blower.

  Connect the blast hose adapter to the valve with the tent valve open (the button on the valve is pressed).

  Switch on the electric blower and exhaust the air. When the air is exhausted sufficiently, disconnect the blower hose from the tent valve, close the valve quickly and close the cap. Houses the electric blower and blower hose.

  The tent of the present invention may be tensioned with a traction tool 11 such as a wire in a standing state as necessary.

  Further, the foundation beam tube 7 may be cut in correspondence with the entrance / exit 9, and this may be used as an opening for removing the glass.

  The soundproof tent for construction work according to the present invention can be changed in size in accordance with various work environments, and is not limited to the shape shown in the drawings, and various structures of air tubes that can be assembled by air injection. It is possible to adopt various forms.

It is a front view showing one embodiment of a soundproof tent for construction work of the present invention. It is a side view which shows one Embodiment of the soundproof tent for construction of this invention. It is a perspective view before standing up which shows the assembly state of the soundproof tent for construction works of the present invention. It is a perspective view in the standing state which shows the assembly state of the soundproof tent for construction of this invention. It is a perspective view which shows the inside of the soundproof tent for construction of this invention.

DESCRIPTION OF SYMBOLS 1 ... Frame 2 ... Roof part 3 ... Purlin tube 4 ... Rafter tube 5 ... Beam tube 6 ... Column tube 7 ... Base beam tube 8 ... Tent membrane 8a ... Roof membrane 8b ... Wall membrane 8c ... Building top 9 ... Entrance 10 ... Handle DESCRIPTION OF SYMBOLS 11 ... Traction tool 13 ... Suspension ring 14 ... Safety valve 15 ... Charge / exhaust valve 17 ... Suspension wheel 18 ... Thermal insulation sheet 19 ... Stopper 20 ... Ventilation duct 21 ... Exhaust duct 22 ... Duct for wiring 23 ... Air supply pipe 24 ... Exhaust Tube 25 ... Floor protection sheet

Claims (6)

  A soundproof tent for construction work, characterized in that a tent film of a sound insulation (soundproof) sheet is hung and extended inside the framework of an air tube that can be assembled by air injection.   The soundproofing tent for construction work according to claim 1, wherein a heat insulating sheet is hung and attached to a sound insulating (soundproofing) sheet at a lower portion inside the tent film.   The frame of the air tube consists of a purlin tube, a rafter tube, and a beam tube that form a gable roof. The upper ends of the four column tubes communicate with the four corners of the roof. The soundproof tent for construction work according to claim 1 or 2, wherein the foundation beam tube communicates.   The soundproof tent for construction work according to any one of claims 1 to 3, wherein the tent film of the sound insulation (soundproof) sheet includes a roof film and a wall film, and the roof film is inclined from the top of the building.   The tent film of the sound insulation (soundproof) sheet is for a construction work according to claim 3 or claim 4 in which the wall film length of the tent film is such that the lower end of the wall film is outside the foundation beam tube in a suspended state. Soundproof tent.   The soundproof tent for construction work according to any one of claims 3 to 5, wherein the tent film of the sound insulation (soundproof) sheet has translucency.

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