JP2002038722A - Environmental protection tent structure and its construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an environmental protection tent structure and its construction method capable of solving such problems that the conventional environmental protection tent takes time for the construction and withdrawal, the efficiency and the reduction of the burden imposed on a worker are requested, specially, the height adjustment of the environmental protection tent is difficult and that work using stepladder or the like involves a risk. SOLUTION: A scaffold 1 is assembled at a specific location, a sheet frame body 3 is hung on the upper part of the scaffold 1 through a chain block 2, a sheet 4 is mounted to the sheet frame body 3 in a state to fold the sheet, the sheet frame body 3 and sheet 4 are hung up by operating the chain block 2, and an enclosed work space H is formed inside of the sheet 4 to construct the environmental protection tent 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an environmental protection tent structure mainly used at a pile head processing site such as filing and demolition of a pile head of a concrete pile and a method of constructing the environmental protection tent structure. It is.

[0002]

2. Description of the Related Art At construction sites, concrete piles surrounded by steel bars are used as a foundation on which a steel frame is built. However, since the pile head contains a lot of impurities during the casting process, that part must be cut.

[0003] Normally, the pile head is scraped off using a special tool (breaker or the like), and at the same time, the level is adjusted because the steel frame is flattened so that it can be installed. It often leads to a deterioration of the living environment and often leads to opposition. In addition, the working environment is such that workers cannot breathe without wearing a dust mask during the work, and this is a work with a high risk of pneumoconiosis.

[0004] In the conventional construction method described above, the living environment of the inhabitants in the vicinity is inevitably deteriorated due to noise, dust, and the like, and sufficient measures are not taken for the safety of workers.

As an alternative construction method, a soundproof tent 50 shown in FIGS. 16 to 19 is constructed, a worker enters the soundproof tent 50, and a dedicated tool (breaker or the like) is used.
(Neither is shown), the pile head is cut off, etc., so as to prevent noise and to ensure the safety of workers in terms of health.

To construct the soundproof tent 50, as shown in FIGS. 16 and 17, a male girder 51 and a female girder 52 are connected, fixed with bolts and nuts, inserted with a connecting bracket of a pillar 53, and then inserted. Connecting the lower and upper palms 55 and 56 to each other, inserting the lower palms 55 into pockets (not shown) of the pillars 53,
As shown in FIG. 18, the roof film 57 is partially covered.

Next, one side of the roof portion constructed as described above is raised, a brace 58 is laid, and then, as shown in FIG. 18, the roof membrane 57 is fixed to a hook (not shown), and an eyebolt (not shown) is provided. Then, as shown in FIG. 19, the sheet 59 is hung on the eyebolt to form the peripheral surface of the soundproof tent 50.

[0008]

However, in the above-described soundproof tent 50, it takes time to construct and remove the soundproof tent 50, and it is required to improve the efficiency and reduce the burden on the operator. Height adjustment is difficult, and there is a problem that dangerous work using a stepladder or the like is involved.

The present invention has been made based on such a demand, and a first object of the present invention is to reduce the weight and the number of frame members, and to reduce the time required for carrying in and out the frame members. In addition, there is no need to work with more than one person when constructing the tent, and the number of workers is small, and the height of the tent is easy to adjust, and dangerous work using a stepladder etc. An object of the present invention is to provide an environmental protection tent structure that can eliminate the problem.

A second object of the present invention is to provide a method of constructing an environmental protection tent structure which can easily construct an environmental protection tent structure.

[0011]

In order to achieve the first object, an environmental protection tent structure according to the present invention comprises a turret body, elevating means suspended from the turret body, and an elevating means. And a sheet attached to the sheet framework and lifted by the lifting means to form a closed working space therein.

With this configuration, the weight and quantity of the framing members are reduced, so that the labor for loading and unloading the framing members is reduced. In addition, there is no need to work with a plurality of people when constructing the tent, and the number of workers is reduced. In addition, the height of the tent can be easily adjusted, and dangerous work using a stepladder or the like can be eliminated.

In the above-described tent structure for environmental protection according to the present invention, air supply means for supplying fresh air into the closed work space, and dust discharge means for discharging dust generated in the closed work space to the outside And a cool air supply means for supplying cool air into the closed working space.

According to this structure, fresh air is supplied into the closed work space by the air supply means, dust generated in the closed work space is discharged to the outside by the dust discharge means, and the air is supplied to the closed work space by the cool air supply means. Cool air can be supplied into the work space, and a more favorable work environment can be secured for the worker.

In the above-mentioned tent structure for environmental protection according to the present invention, a worker enters the enclosed work space and uses a special tool for processing the pile head for performing the cutting and the dismantling work of the pile head of the concrete pile. It may be used as a work space for performing a pile head processing operation.

With this configuration, by placing the pile head of the concrete pile inside the enclosed work space, noise to surrounding residents is suppressed, and the amount of dust is reduced, thereby minimizing the deterioration of the living environment. It is possible to secure a better working environment, especially for workers, mainly to prevent pneumoconiosis, and to provide general contractors with consideration and measures for the above two persons. This not only makes it possible to supply buildings with more stable quality, but also leads to an improvement in the corporate image.

In order to achieve the above-mentioned second object, a method for constructing an environmental protection tent structure according to the present invention comprises assembling a tower body at a predetermined place, and seating the upper part of the tower body via a lifting means. The skeleton is suspended, the folded sheet is attached to the sheet skeleton, and the sheet skeleton and the sheet are lifted by operating the lifting / lowering means to form a closed working space inside the sheet. Things.

Therefore, when constructing the tent, there is no need to start with a plurality of persons, and the number of workers can be reduced.
Further, the height of the tent can be easily adjusted, and dangerous work using a stepladder or the like can be eliminated.

In the method for constructing an environmental protection tent structure according to the present invention, fresh air is supplied into the closed work space by the air supply means, and dust generated in the closed work space by the dust discharge means. May be discharged outside, and cool air may be supplied into the closed work space by the cool air supply means.

Therefore, fresh air is supplied into the closed work space by the air supply means, dust generated in the closed work space is discharged outside by the dust discharge means, and the closed work space is supplied by the cool air supply means. It is possible to supply cool air to the inside, and it is possible to secure a better working environment for the worker.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 to FIG. 15 show an embodiment of an environmental protection tent structure according to the present invention. The tent structure for environmental protection includes a turret body 1, a chain block (pulley) 2, which is a lifting means suspended from the turret body 1, a sheet frame 3 suspended from the chain block 2, And a seat 4 attached to the seat skeleton 3.

As shown in FIGS. 3 to 5, the turret body 1 has a square girder 5 and four corners 5A, 5A, 5G of the girder 5.
Posts 6, 7, whose upper ends are connected to B, 5C, 5D,
8, 9 and these columns 6, 7, 8, 9
Are inclined at a predetermined angle in a divergent manner. The girder portion 5 is provided with a center member 5c which is hung at the center of the front and rear members 5a, 5b, and the chain block 2 is hung at the center of the center member 5c. .

As shown in FIG. 14, the chain block 2 has a fixed hook 10 attached to a block body 2A and a movable hook 12 attached to the end of a chain 11 hooked to a row of sprockets (not shown) in the block body 2A. Respectively.

The sheet frame 3 includes inner and outer girders 13 and 14, as shown in FIGS. The inner girder 13 includes a square frame-shaped inner girder 15, one diagonal member 16 connecting one diagonal portion 15A, 15B of the inner girder 15, and the other pair of the inner girder 15. Corner 15C, 15D
And the intersection of one diagonal member 16 and the other diagonal member 17 (the center of the inner girder 13)
And a suspending member 19 arranged at 18.

The outer girder 14 comprises an outer girder 20 having a square frame shape. Then, the inner girder 13 and the outer girder 14 are provided with corner portions (15A, 20A) facing each other.
A), (15B, 20B), (15C, 20C), (1
5D, 20D) by the connecting members 21, 22, 23, 24, the outer girder 14 is on the upper side and the inner girder 1 is
3 are located at lower positions.

As shown in FIG. 9, the seat 4 includes a seat ceiling portion 25 attached to the outer girders 13 and 14, and a seat peripheral surface portion 26 covering four side surfaces of the sheet frame 3.
It consists of

The seat ceiling portion 25 is double soundproofed using a lightweight sound absorbing member (not shown) such as a styro. Further, the seat peripheral surface portion 26 includes the inner and outer wall surfaces 2.
It has a double wall configuration having 6A and 26B, and is held so as to be hung on the outer girders 13 and 14 of the sheet frame 3, and is foldable in the vertical direction. And
An entrance / exit portion (not shown) is provided in the seat peripheral portion 26.
And first, second, and third tubular body through-holes 28, 29, 30
Are formed (see FIG. 1).

Next, the construction of the tent structure for environmental protection will be described.

As shown in FIG. 10, the tower body 1 is assembled, and the tower body 1 is erected on the slab S so that the pile head K-1 of the concrete pile K is located therein (FIG. 2). reference).
Then, the fixed side hook 10 is hooked on the central part of the central member 5c of the girder part 5 of the turret body 1, and the turret body 1 is
Is suspended.

Next, as shown in FIG. 11, the sheet frame 3 is hung on the chain block 2 by hooking the sheet frame 3 on the movable hook 12 of the chain block 2 with its hanging member 19.

Next, as shown in FIG. 12, the folded sheet 4 is attached to the sheet frame 3, and then, as shown in FIG. 13, the chain block 2 is operated to operate the sheet frame 3 and the sheet frame 3. The sheet 4 is lifted, the sheet peripheral surface portion 26 of the sheet 4 is stretched, and an environmental protection tent 31 whose interior becomes a closed work space H is constructed.

As described above, the first, second, and third pipe through-holes 28, 29, and 30 are formed in the environmental protection tent 31 constructed as described above. As shown in FIG. 1, the air supply pipe 33 connected to the discharge side of the blower 32 is inserted into the first pipe through-hole 28 in a penetrating state, and the operation of the blower 32 releases fresh air for environmental protection. The tent 31 is supplied. In this case, the blower 32 and the air supply pipe 33 constitute an air supply unit.

Further, an intake pipe 36 connected to the suction side of the dust collector 34 is inserted into the second pipe through hole 29 in a penetrating state. The dust generated in the above is discharged outside.
In this case, the dust collector 34 and the intake pipe 36 constitute dust discharging means.

The pipe 38 connected to the discharge side of the cool air blower 37 is inserted into the third pipe through hole 30 in a penetrating state, and the environmental protection tent 31 is operated by the operation of the cool air blower 37. So that cold air can be supplied inside. A spot air conditioner (not shown) is connected to the suction side of the cool air blower 37. The spot air conditioner, the cool air blower 37 and the pipe 38 constitute a cool air supply unit.

The environmental protection tent 31 is provided with an entrance through which the worker F can enter and exit, and an opening / closing door (both not shown) for opening and closing the entrance.

Next, the cutting operation of the pile head K-1 of the concrete pile K at the construction site will be described.

As shown in FIG. 2, the pile head K-1 of the concrete pile K is located inside the environmental protection tent 31 constructed as described above. Then, the worker F wearing the air line mask 39 enters the environmental protection tent 31 as shown in FIG. 15 and uses a dedicated tool (such as a breaker) (not shown) to mount the pile head K-. Cut off 1 and flatten it so that the steel frame can be set up, and then level it.

In this case, fresh air is supplied into the environmental protection tent 31 by the operation of the blower 32, and dust generated in the environmental protection tent 31 by the operation of the dust collector 34 is discharged to the outside. Further, the cool air blower 37 operates to supply cool air into the environmental protection tent 31.

The environmental protection tent 31 has a seat ceiling portion 25 having a double soundproofing structure using a lightweight sound absorbing member such as a styro, and a seat peripheral surface portion 26 has inner and outer wall members 26A and 26B. Due to the double wall configuration,
It is excellent in sound insulation, and is prevented from leaking outside noise generated when the pile head K-1 is cut using a dedicated tool (such as a breaker).

The operation of the blower 32 allows fresh air to be introduced into the environmental protection tent 31, and the operation of the dust collector 34 discharges dust generated in the environmental protection tent 31 to the outside. In addition, cool air is supplied into the environmental protection tent 31 by the operation of the cool air blower 37, and the worker F
Since the user 9 is worn, a more favorable working environment can be secured for the worker F, and mainly pneumoconiosis can be prevented.

As described above, the environmental protection tent 31 is erected on the slab S such that the pile head K-1 of the concrete pile K is located inside the tent, thereby suppressing noise to surrounding residents. By reducing the amount of dust, it is possible to minimize the deterioration of the living environment, and in particular, to secure a better working environment for the worker F mainly for the purpose of preventing pneumoconiosis. By considering and devising the above two parties for the general contractor, it is possible not only to supply buildings of more stable quality, but also to improve the corporate image.

In particular, the construction of the environmental protection tent 31 is as follows. First, the turret body 1 is assembled, the fixed side hook 10 is hooked at the center of the turret body 1, and the chain block 2 is suspended from the turret body 1. The seat frame 3 is hung by the movable side hooks 12 of the chain block 2, the folded sheet 4 is attached to the sheet frame 3, and the chain block 2 is operated to remove the sheet frame 3 and the sheet 4. It is possible to save labor when constructing the environmental protection tent 31 as if the lifting is performed and the peripheral surface portion 26 of the sheet 4 is stretched.

In particular, since the weight and quantity of the frame members are reduced, the labor for carrying in and out the frame members is reduced, and the construction of the environmental protection tent 31 eliminates the need for a plurality of people to work. Since the number of members is small, and work at a high position is eliminated, dangerous work using a stepladder or the like can be eliminated.

[0045]

As described above, according to the tent structure for environmental protection according to the present invention, the turret body, the elevating means suspended from the turret body, and the sheet frame suspended from the elevating means An environmental protection tent can be constructed by the body and the sheet attached to the sheet framework and lifted by the elevating means to form a sealed working space therein, thereby reducing the weight and quantity of the framework members. Therefore, the labor of carrying in and out the frame members is reduced, and it is not necessary to start with a plurality of people when constructing the tent, and the number of workers can be reduced,
Further, the height of the tent can be easily adjusted, and dangerous work using a stepladder or the like can be eliminated.

In the above-mentioned tent structure for environmental protection according to the present invention, fresh air is supplied into the closed work space by the air supply means, and dust generated in the closed work space is discharged by the dust discharge means. , And cool air can be supplied into the closed work space by the cool air supply means, so that a better working environment can be secured for the worker.

In the above-mentioned tent structure for environmental protection according to the present invention, an operator enters the enclosed work space and uses a special tool for processing the pile head for performing the cutting of the pile head of the concrete pile and the dismantling work. By using it as a work space for pile head disposal work, it reduces noise for nearby residents and reduces the amount of dust,
It is possible to minimize the deterioration of the living environment, and in particular, it is possible to secure a better working environment for workers, mainly for the purpose of preventing pneumoconiosis. By taking care of the people, it is possible not only to supply buildings with more stable quality, but also to improve the corporate image.

Further, according to the method for constructing an environmental protection tent structure according to the present invention, a tower body is assembled at a predetermined place, and a sheet frame body is hung above the tower body via elevating means. Construction of an environmental protection tent structure in which a folded sheet is attached to the sheet framework and the lifting means is operated to lift the sheet framework and the sheet to form a sealed working space inside the sheet. it can.

For this reason, when constructing the tent, there is no need to start with a plurality of persons, and the number of workers can be reduced.
Further, the height of the environmental protection tent can be easily adjusted, and dangerous work using a stepladder or the like can be eliminated.

Then, fresh air is supplied into the closed working space by the air supply means, dust generated in the closed working space is discharged outside by the dust discharging means, and cold air is supplied into the closed working space by the cold air supply means. , It is possible to ensure a better working environment for the worker.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a configuration of an environmental protection tent structure according to the present invention.

FIG. 2 is an explanatory view of a case where a pile head of a concrete pile is frayed and dismantled in the environmental protection tent structure.

FIG. 3 is a plan view of the environmental protection tent structure.

FIG. 4 is an arrow view from the X direction in FIG. 3;

FIG. 5 is an arrow view from the Y direction in FIG. 3;

FIG. 6 is a perspective view of a seat frame in the environmental protection tent structure.

FIG. 7 is a plan view of the sheet skeleton.

FIG. 8 is a front view of the sheet skeleton.

FIG. 9 is a perspective view of a seat in the environmental protection tent structure.

FIG. 10 is an explanatory view showing a state in which a chain block is suspended from a tower body in the method for constructing an environmental protection tent structure according to the present invention.

FIG. 11 is an explanatory view of a state in which a sheet framework is hung on a chain block in the method for constructing an environmental protection tent structure according to the present invention.

FIG. 12 is an explanatory view showing a state in which a sheet is attached to a sheet framework in the method for constructing an environmental protection tent structure according to the present invention.

FIG. 13 is an explanatory view of a state in which a sheet is lifted in the method for constructing an environmental protection tent structure according to the present invention.

FIG. 14 is a schematic perspective view of a chain block.

FIG. 15 is an explanatory view of an operator wearing an air line mask.

FIG. 16 is a front view of a frame of a conventional environmental protection tent structure.

FIG. 17 is a perspective view of a framework of the environmental protection tent structure.

FIG. 18 is a perspective view of the environmental protection tent structure during construction.

FIG. 19 is a perspective view of the environmental protection tent structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tower body 2 Chain block (pulley) (elevating means) 2A block body 3 Seat frame 4 Seat 5 Beam part 5a Front member 5b Rear member 5c Central member 5A Corner 5B Corner 5C Corner 5D Corner Part 6 Prop 7 Prop 8 Prop 9 Prop 10 Fixed hook 11 Chain 12 Movable hook 13 Inner girder 14 Outer girder 15 Inner girder 15A One diagonal 15B One diagonal 15C The other diagonal 15D The other diagonal part 16 One diagonal member 17 The other diagonal member 18 Intersection 19 Suspension member 20 Outer girder part 21 Connection member 22 Connection member 23 Connection member 24 Connection member 25 Seat ceiling part 26 Sheet peripheral surface part 26A Inner wall Face body 26B Outer wall body 28 First tube through hole 29 Second tube through hole 30 Third tube through hole 31 Environmental protection tent 3 2 blower (air supply means) 33 air supply pipe (air supply means) 34 dust collector (dust discharge means) 36 exhaust pipe (dust discharge means) 37 cool air blower (cool air supply means) 38 pipe (cool air supply means) 39 air Line mask F Worker H Closed work space K Concrete pile K-1 Pile head S Slab

Claims (5)

[Claims] 1. An turret body, elevating means suspended from the turret body, a sheet framing suspended from the elevating means, and an interior mounted on the sheet framing body and lifted by the elevating means. A tent structure for environmental protection, characterized in that the tent structure further comprises a sheet forming a closed working space. 2. An air supply means for supplying fresh air into the closed working space, a dust discharging means for discharging dust generated in the closed working space to the outside, and a cool air supply into the closed working space. The environmental protection tent structure according to claim 1, further comprising a cooling air supply unit that performs cooling air supply. 3. The method according to claim 1, wherein the closed working space is used for processing a pile head for performing a cutting operation, a dismantling operation, and the like of a pile head of a concrete pile.
The tent structure for environmental protection according to claim 1 or 2, wherein the tent structure is a working space for a worker to enter and perform a pile head processing operation using a dedicated tool. 4. A turret body is assembled at a predetermined place, a sheet framing body is hung above the turret body via elevating means, and a folded sheet is attached to the sheet framing means. The method for constructing an environmental protection tent structure, characterized in that the sheet skeleton and the sheet are lifted by operating the seat to form a closed working space inside the sheet. 5. The closed working space is supplied with fresh air by air supply means, dust generated in the sealed working space is discharged by dust discharging means, and the closed working space is supplied by cold air supply means. The method for constructing an environmental protection tent structure according to claim 4, wherein cool air is supplied into the inside.