JP3081598U - Dust collection booth - Google Patents

Abstract

(57) [Problem] To provide a dust collection booth in which the space inside a dust collection booth can be variably adjusted to be optimal or wide and narrow, and which can be easily folded and transported to a work site. SOLUTION: Four or five frame members 1 are connected by a connecting member 7 to form a wall member 13 having an appropriate size, and a roof member 20 matching the outer diameter of the wall member 13 is formed. The wall body 13 and the roof body 20 are connected by the joining means S, and the wall sheet 3 and the roof sheet 23 are attached thereto to form the dust collection booth 100.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a dust collection booth for collecting dust without discharging dust generated at the time of concrete cutting or filing work using a cutter to the surrounding environment, and particularly in response to the size of the site and the working environment. And the space inside the dust collection booth can be adjusted to be optimally wide or narrow, and can be easily folded and transported to the work site.

[0002]

[Prior art]

 Conventionally, dust generated by cutting concrete with a cutter or scraping concrete with a rock drill has been forcibly collected by a combination of a dust collector and a dust collector that covers the work site. As specific examples thereof, those disclosed in Japanese Utility Model Laid-Open Nos. 5-85577 and 6-52919 have been proposed.

[0003] Japanese Utility Model Application Laid-Open No. 5-85577 discloses that at least the periphery of a rock drill on a rock drill body is covered with a transparent dust-proof cover, and dust that scatters and floats inside the space is suctioned by a dust collector. Things. Japanese Utility Model Laid-Open Publication No. 6-52919 discloses a hopper in which a suitable number of portal aggregates whose upper surfaces and both side surfaces are covered with covers are formed so as to be expandable and contractable, and a suction fan is provided at one end thereof. Directly connected to the dust collector. An openable / closable cover is provided at the other end of the booth, and a fan that pushes dust toward the dust collector is installed near the ceiling on the entrance side in the booth, and an illuminator is installed in an appropriate place in the booth. It was established.

[0004] However, in Japanese Utility Model Laid-Open No. 5-85577, the dust cover is small and covers only a small area around the rock drill, so that it cannot cope with a wide and narrow work area. Workability is poor, and cannot be moved to any position.

[0005] In the Japanese Utility Model Application Laid-Open No. 6-52919, the area around the dust-proof booth cannot be adjusted in accordance with the size of the filer operation or the like, so that the workability is poor, and the device can be moved to any position. I can not cope. Furthermore, it is difficult to transport the booth to the razor work site because it is a fixed type.

[0006]

[Problems to be solved by the invention]

 The present invention has been made in view of the above-mentioned problems of the conventional dust collection booths and the like, and is adapted to the size and working environment of the site such as concrete cutting work by a cutter and concrete shearing work by a rock drill. The purpose of the present invention is to provide a dust collection booth that can adjust the space inside the dust collection booth to be optimally wide or narrow, and that can be easily folded and transported to the work site.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, a dust collection booth according to claim 1 of the present invention comprises an annular wall formed by detachably connecting four or five frames prepared in advance to each other; If it is set to a size smaller than the maximum size of the outer diameter of the body, and if it is set to a smaller size, the overlapped portion is coated as a predetermined size on the surface of the wall and is detachably attached to the upper side of the frame A wall sheet and four or five rods prepared in advance are selected so that their outer diameters match the outer diameters of the wall bodies, and the center side top is detachably joined to the top plate and the rods are joined together. If the lower part of the outer edge of the roof is detachably connected to the frame and the outer diameter of the annular roof is set to a size that matches the maximum dimension of the outer diameter, and if it is set to a smaller value, it will overlap. With a department A roof sheet having a predetermined size and covering the surface of the roof body and being detachably attached to the upper side of the frame body; and a suction port opened at an appropriate place of the wall sheet or the roof sheet and connected to a dust collector. It is characterized by having.

A dust collecting booth according to a second aspect of the present invention is the dust collecting booth according to the first aspect, wherein the frame has a caster at a lower portion and can be moved to an arbitrary position. It is.

[0009]

[Action]

 In the case of the dust collection booth of claim 1 of the present invention, first, the size of the dust collection booth is determined according to the size of the concrete cutting work, the size of the filing work site, the working environment, and the like. Accordingly, four or five frames are connected to each other to form an annular wall having a predetermined size. The surface of the wall body is covered with a wall sheet. The wall sheet is formed in a size that matches the maximum dimension of the outer diameter of the wall body. If the wall sheet is set to a smaller size, the overlap portion is set to the specified size. Then, the wall surface sheet is locked by locking means provided on the upper side of the frame to form a wall surface.

Next, the number of rods connected to the top on the center side is adjusted in accordance with the outer diameter of the wall, and the outer diameter of the roof is made to match the outer diameter of the wall. The lower end of the outer end of the rod is joined to the frame to form a roof. The roof sheet is formed to a size that matches the maximum dimension of the outer diameter of the roof body. If the roof sheet is set to a smaller size, the overlap size will be the specified size. Thereafter, the roof body is covered with a roof sheet, and the outer periphery of the roof sheet is fixed by locking means provided on the upper side of the frame body. This completes the dust collection booth. Connect the connecting pipe of the dust collecting means to the suction port formed at the appropriate position on the wall sheet or roof sheet.

[0011] The dust collection booth can be freely set in its interior space to be optimally narrow or wide in accordance with the size of a concrete cutting work or a filing work site. When entering, concrete cutting and filing work is performed. At this time, the work can be performed while freely moving within the work site, so that workability is good. In addition, the dust is efficiently sucked from the suction port, so that the inside working environment can be kept clean to prevent the worker from sucking the dust, and also to prevent the dust from being discharged to the outside to prevent the dust from being discharged to the outside. Keep your environment clean.

At the end of the work or at the time of movement, the dust collection booth is disassembled in the reverse order of the assembling procedure. This allows the dust collection booth to be compactly folded and cleared, and to be easily transported to the work site.

Further, in the case of the dust collecting booth according to the second aspect, since the casters are provided at the lower portion of the frame, the dust collecting booth in the assembled state can be easily moved. As a result, it is possible to work efficiently even in a wide range of work places such as on a road.

[0014]

[Embodiment of the invention]

 Hereinafter, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an exploded perspective view of the dust collecting booth according to the present invention, FIG. 2 is a partial view of a connecting tool serving as connecting means, FIG. 3 is a front view of a wall sheet stretched on the wall, and FIG. FIG. 5 is a perspective view of the suction port provided on the wall body as viewed from the inside. 6 is a plan view of a roof body, FIG. 7 is a plan view of a roof sheet, FIG. 8 is a cross-sectional view showing a state in which a roof sheet is connected to a wall body, FIG. 9 is an enlarged view of a portion A in FIG. Fig. 11 is an enlarged view of a portion B of Fig. 8, Fig. 11 is an enlarged view of a portion C of Fig. 8, Figs. 12 and 13 are configuration diagrams of a four-piece dust collection booth, and Figs. FIG.

The dust collection booth 100 includes an annular wall body 13 formed by detachably connecting four or five frame bodies 1 prepared in advance to each other, and an outer diameter of the wall body 13. If the size is set to a size that matches the maximum size and is set to a size smaller than this, the overlapping portion 3D is used as a predetermined size to cover the surface of the wall body 13 and to be detachably attached to the upper side of the frame 1. 3 and 4 or 5 rods 27 and 29 prepared in advance are selected so that the outer diameter of the rods 27 and 29 match the outer diameter of the wall 13, and the upper portion on the center side is detachably joined to the top plate 24. In addition, the lower end of the outer end of the rod is set to a size that matches the maximum dimension of the outer diameter of the roof 30 that is detachably connected to the frame, and is set to a smaller size. Place In this case, a roof sheet 23 which is covered in a predetermined size with the overlapping portion 23D on the surface of the roof body 30 and is detachably attached to the upper side of the frame body, is opened at an appropriate position of the wall sheet 3 or the roof sheet 23, and dust is collected. And suction ports 3E and 23E connected to the device 60.

Next, a detailed configuration of each of the above components will be described with reference to FIGS. The frame 1 is formed such that two vertical bars 1A and two horizontal bars 1B curved in an arc are framed in a vertically long rectangular frame. The wall member 13 is formed in an annular shape by connecting four or five members by the connecting member 7 attached to the vertical bar 1A of the frame 1. The connecting member 7 has a configuration in which the shaft rod 7B is inserted into the two bearing portions 7A. That is, in the case of a narrow space area, the configuration is four as shown in FIGS. 12 and 13, and in the case of a large space area, the configuration is five as shown in FIGS. 14 and 15.

As shown in FIG. 2B, the connecting member 7 has a simple configuration in which one shaft portion 7 C is inserted into one bearing portion 7 A, or as shown in FIG. The two vertical bars 1A may be directly and integrally held by the mold clip D.

As shown in FIG. 4, a suction plate 11 is provided between one of the vertical bars 1A and the auxiliary vertical bar 1C on one of the frames 1, and the center of the suction plate 11 A connecting pipe support hole 11A having a diameter of φ250 mm for a single-sheet construction is provided. Further, the suction plate 12 for four components can be detachably attached to the suction plate 11 by means of a screw means or a hooking means, etc., and has a connecting pipe support hole 12A having a diameter of 200 mm at the center thereof. As shown in FIG. 5, a connection pipe P is inserted into the connection pipe support hole 11A inside the frame body 1, and a duct 11C is attached to the end of the connection pipe P, and the opening 11D of the connection pipe P is directed toward the work site. It has been done. Further, a caster R with a brake for facilitating movement is attached to a lower portion of each frame 1. Note that the casters R may not be provided.

As shown in FIG. 8 to FIG. 10, a plurality of hook-shaped hooking means K having a bulging end are provided at equal intervals on the upper outer side of the horizontal bar 1 B of the frame 1. . A plurality of eyelets 3A attached at equal intervals to the upper edge of the wall sheet 3 are hung on the hanging means K and hung down. The wall surface sheet 3 is wound around an annular wall body 13 with overlapping portions 3D of both end edges 3B and 3C overlapping each other. A suction port 3E is formed in the wall surface sheet 3, and is attached so as to communicate with the inside and outside of the wall surface body 13 so as to correspond to the connection pipe support hole 11A or 12A. Further, a pipe-shaped joining means S is attached to the upper end of the vertical bar 1A of the frame body 1 in a vertical posture on the wall body 13.

As shown in FIGS. 6 and 8, a roof 20 is joined to the wall 13 by joining means S. Prepare four rods 27 or five rods 29 of different lengths in advance, and set the center side of the four rods 27 or five rods 29 according to the size of the installation space. The tops are gathered on the top plate 24, and the wall body 13 is inserted into either the support tube 25 for four components or the support tube 26 for five components. That is, the frame 20 is configured such that four rods 27 or five rods 29 having different lengths are inserted into the support cylinder 25 or 26 so that the outer diameter can be changed to D1 or D2. A suction plate 31 is provided between the two rods 27 or 29 in the roof body 20, and a connection pipe support hole 31A having a diameter of 300 mm is formed at a center position thereof.

As shown in FIG. 7, the outer diameter of the roof sheet 23 is adjusted on the upper surface of the roof body 20 in accordance with the degree of polymerization of both edges 23 B of the roof sheet 23 cut radially from the center position O. Covered. A detachable joining band body 15 is attached to the overlapping portion 23D of the both side edges 23B, and is thereby adhered. In addition, the roof sheet 23 is provided with a suction port 23E at an appropriate position, and is fitted so as to communicate with the inside and outside of the roof sheet 23 in accordance with the connection pipe support hole 31A mounted on the roof body 20.

As described above, the wall body 13 is formed by the frame body 1, and the wall sheet 3 is wound and superimposed on the wall body 13, and the roof sheet 23 is formed on the upper surface of the roof body 20 connected to the top of the wall body. The dust collection booth 100 is assembled by being put on. At this time, the number of the rods connected to the center side top is made variable to four or five, and the roof 20 is attached to the center side top in accordance with the outer diameter of the annular wall body 13 defined by the number of frames. The number of rods to be connected is adjusted so that the outer diameter of the roof 20 matches the outer diameter of the annular wall 13. In addition, the wall sheet 3 and the roof sheet 23 are formed to have a size that matches the maximum outer diameter of the annular wall body 13 and the roof body 20, and when the dimensions are smaller than this, the overlapping portion is specified. Size.

A dust collecting device 60 is connected via a connecting pipe P to two suction ports 3E and 23E arranged at appropriate places of the dust collecting booth 100. The connection pipe supporting holes provided in the frame 10 are provided with a suction plate 12 for four components and a suction plate 11 for five components, and are connected by being switched according to the volume of the dust collection booth.

The dust collection booth 100 of the present invention is configured as described above and operates as follows. First, according to the size of the concrete cutting work and the size of the filing work site, the working environment, etc., four or five frame bodies 1 are connected by the connecting members 7 to form an appropriately sized annular wall body 13. The wall sheet 3 is wrapped around the outer peripheral surface of the wall body 13 so as to be adjustable at the overlapping portion, and is hung by the hooking means K on the upper side of the frame to form a wall surface.

Next, as shown in FIG. 8, the roof 20 is joined and connected by joining means S provided on the top of the wall 13 in accordance with the outer diameter of the wall 13. Then, a circular roof sheet 23 is covered on the upper surface of the roof body 20, and a part of the roof sheet 23 is formed by adjusting the outer diameter dimension by overlapping portions 23D of both side edges 23B cut radially from the center position O to form a roof. I do. Then, the lower part of the outer end of the rod body 27 or 29 forming the roof body 20 is inserted and connected to the joining means S provided between the rod body 27 and the top of the frame body 1. Thus, the dust collection booth 100 is completed. Subsequently, the dust collection device 60 is connected to the suction ports 3E and 23E provided in the dust collection booth 100 via the connection pipe P.

The dimensional relationship of the four-piece dust collection booth for a narrow area is as shown in FIGS. 12 and 13. The dimensional relationship of the five-piece dust collection booth for a large space area is as follows. They are as shown in FIGS. 14 and 15.

According to the dust collecting booth 100 of the present embodiment, the internal space of the dust collecting booth 100 can be freely set to an optimum state, narrow or wide, in accordance with the size of the concrete cutting work and the filing work site. Is done. Thereafter, an operator enters the dust collection booth to perform concrete cutting or filing work. At this time, dust is efficiently sucked and collected from the suction port. At the same time, the internal working environment should be kept clean to protect workers' health, and the leakage of dust to the outside should be completely prevented to keep the external environment clean. In addition, since each sheet can be transparent, external light can enter the dust collection booth and work in a bright work environment, and internal workers can be checked from the outside.

Further, since the casters R are attached to the lower part of each of the wall bodies, the work of moving the dust collection booth 100 in the assembled state can be easily performed, and the work efficiency is improved.

Then, at the end of the work or at the time of movement, the dust collection booth 100 is disassembled, separated and folded in reverse to the assembling procedure. Thus, the dust collection booth 100 can be compacted and easily transported to another work site.

The present invention is not limited to the above embodiment, and design changes can be made within the gist of the invention. For example, a plurality of hooks having bulging tips are provided at equal intervals as the hooking means K, and a plurality of eyelets 3A attached to the upper edge of the wall sheet 3 at equal intervals are hooked on the hooking means K. Although it is attached, it may be changed to a hook type or the like.

[0031]

[Effect of the invention]

 According to the dust collection booth of claim 1, the interior space of the booth can be freely set to be optimally narrow or wide in accordance with the size of the concrete cutting work or the filing work site. They enter the dust booth and perform concrete cutting and filing work. At this time, they can work while moving freely inside the work site, so their workability is good. In addition, the dust is efficiently sucked from the suction port, so that the internal working environment can be kept clean to prevent the worker from sucking the dust, and to prevent the dust from being discharged to the outside to prevent the dust from being discharged to the outside. Environment can be kept clean.

Further, at the end of the work or at the time of moving, the dust collection booth is disassembled in reverse to the above-described assembly procedure. This allows the dust collection booth to be compactly folded and cleared, and to be easily transported to the work site.

According to the dust collecting booth of the second aspect, since the casters are provided at the lower part of the frame, the work of moving the dust collecting booth in the assembled state can be easily performed. Therefore, work can be performed more efficiently even in a wide range of work places such as on a road.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a dust collection booth according to an embodiment of the present invention.

FIG. 2 is a partial view of the connector according to the embodiment of the present invention.

FIG. 3 is a front view of the wall sheet stretched on the wall body, showing the embodiment of the present invention.

FIG. 4 is an external front view of a suction port provided in the wall body, showing the embodiment of the present invention.

FIG. 5 is a perspective view showing the inside of a suction port provided in the wall body according to the embodiment of the present invention.

FIG. 6 is a plan view of the roof showing the embodiment of the present invention.

FIG. 7 is a plan view of the roof sheet according to the embodiment of the present invention.

FIG. 8 is a front sectional view showing the embodiment of the present invention and connecting a roof sheet to a wall body.

FIG. 9 is an enlarged front view of part A of FIG. 8 showing the embodiment of the present invention.

FIG. 10 is an enlarged front view of the portion B of FIG. 8 showing the embodiment of the present invention.

FIG. 11 is an enlarged sectional view showing a portion C of FIG. 8 showing the embodiment of the present invention.

FIG. 12 is a plan view of the dust collecting booth according to the embodiment of the present invention, which is configured of four sheets.

FIG. 13 is a front view of the dust collecting booth according to the embodiment of the present invention, which has four sheets.

FIG. 14 is a plan view of the dust collecting booth showing the embodiment of the present invention and having five sheets.

FIG. 15 is a front view of the dust collecting booth according to the embodiment of the present invention, which is configured with five sheets.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 1A Vertical bar 1B Horizontal bar 1C Auxiliary vertical bar 3 Wall sheet 3A Eyelet 3B, 3C Both edges 3D Overlapping part 3E Suction port 7 Connecting means 7A Shaft part 7B Bearing part 11, 12 Suction plate 11A, 12A Connection pipe support hole DESCRIPTION OF SYMBOLS 13 Wall body 15 Joint strip 20 Roof body 23 Roof sheet 23B Both edges 23D Overlapping part 23E Suction port 24 Top plate 25, 26 Support cylinder 27, 29 Support rod 31 Suction plate 31A Connection pipe support hole 60 Dust collector 100 Dust collection device 100 Booth R Casters D1, D2 Outer diameter K K Hooking means P Connection pipe S Joining means

Claims (2)

[Utility model registration claims] 1. An annular wall body formed by detachably connecting four or five frame bodies prepared in advance to each other, and a size matching the maximum outer diameter of the wall body. When the size is set to be smaller than that, a wall sheet which is coated to a predetermined size with the overlapped portion and is detachably attached to the upper side of the frame body, and four or five rods prepared in advance. The body is selected so that its outer diameter dimension matches the outer diameter dimension of the wall body, and the center side top is detachably joined to the top plate, and the lower end of the outer end of the rod is detachably joined to the frame body. When the size is set to a size that matches the maximum dimension of the outer diameter of the annular roof and the size of the roof is smaller than that, the overlapped portion is coated as a predetermined size on the surface of the roof and the frame is covered. Above the body A dust collection booth comprising: a roof sheet detachably attached to a side; and a suction port opened at an appropriate position of the wall sheet or the roof sheet and connected to a dust collection device. 2. The dust collection booth according to claim 1, wherein said frame has a caster at a lower portion thereof and can be moved to an arbitrary place.