JP3872187B2 - Spray fireproof coating method and equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a spraying fireproof coating method and apparatus, and more particularly to a coating method and apparatus for preventing scattering of a fireproof spraying material in a fireproof coating spraying work for a steel building.
[0002]
[Prior art]
Conventionally, in order to prevent the collapse of buildings in the event of a fire, steel structure buildings have to be provided with fireproof coating on pillars and beams, etc., which are the main structural parts, and ensure the performance of fireproof time stipulated in the Building Standard Law Don't be.
[0003]
There are various types of fire-resistant coatings for steel structures such as coating materials, spraying materials, molded plates, blanket types, etc. Among them, construction with spraying materials made mainly of rock wool occupies most of them. is the current situation.
[0004]
[Problems to be solved by the invention]
However, in such a spray fireproof construction, a part of the spray material hits the beam or column of the steel structure and bounces off, or it is scattered from the target of the beam or column of the steel structure and scattered around and falls. There are problems such as contaminating the workplace and the surrounding atmosphere. In addition, among the construction work of the building structure, there is often a case where the spray fireproof coating work is performed in a state where the outer peripheral wall is not attached, so that the spraying material is scattered to the outside neighborhood.
[0005]
For this reason, as a current measure, it is common for a fireproof coating construction company to carry out a construction such as temporarily setting a curing sheet on the outer peripheral wall and temporarily setting a curing sheet in a large section of the workplace.
[0006]
The conventional temporary method for curing sheets is a large-scale construction, and it is difficult to perform multi-layer work with other industries on the same work floor in terms of work environment, and the spray material scattered on the floor is not suitable for other industries. Foreign matter generated during construction is often mixed in, which prevents the sprayed material that has fallen from being reused.Furthermore, since the sprayed material is scattered over a wide area in the workplace, it is necessary to clean the floor and other parts. There are problems such as taking time and having a great influence on the actual operation time of the spraying work itself.
[0007]
Accordingly, an object of the present invention is to prevent the spraying material from scattering on the smallest block when the spraying fireproof coating is applied to the beam or the pillar of the steel structure in order to solve such a conventional problem. Another object of the present invention is to provide a spray fireproof coating method and apparatus characterized in that a curing sheet can be easily attached and detached by using handrails such as various steel pipe scaffolds for a spraying work or an aerial work vehicle.
[0008]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, according to the present invention, the spray fireproof coating method is formed by attaching an upper portion of a curing sheet to a frame formed by connecting a pair of arms with a connecting material at intervals. The lower part of the frame is locked to the lower horizontal member of the handrail of the work scaffold, and the other end of the support member having one end attached to the middle part of the frame is locked to the upper horizontal member of the handrail. It is characterized by being covered with a curing sheet.
[0009]
Further, the spray fireproof coating method of the present invention is characterized in that the spray material is prevented from being scattered by the curing sheet for each block, and the spray material is reused by preventing foreign matter from entering.
[0010]
Further, the spray fireproof coating apparatus of the present invention comprises a frame formed by connecting a pair of arms with a connecting member at intervals, a curing sheet attached to the frame so as to cover a required block, and suspended. A locking member for locking the lower part of the frame to the lower horizontal member of the handrail of the work scaffold; a support member having one end attached to the middle part of the frame and the other end locked to the upper horizontal member of the handrail; Is provided.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
According to the spray fireproof coating method and apparatus of the present invention thus configured, the lower part of the frame to which the upper part of the curing sheet is attached is locked to the lower lateral member of the handrail of the working scaffold, and the middle of the frame Because the other end of the support member with one end attached to the part is locked to the upper horizontal member of the handrail and the frame is supported by the handrail of the work scaffold, this causes the curing sheet to hang downward from the frame for each block The spraying material can be prevented from scattering by covering it, the frame can be easily attached to and removed from the handrail, the working environment can be improved, and the scattered spraying material can be removed for each block. It is possible to collect foreign materials that may occur in construction in other industries, so that the falling spray material can be reused and work in other industries on the same work floor Degree of influence on is relieved enables multilayer simultaneous operations can further be shortened cleaning time of a floor or other parts of the body after the work end to ensure sufficient operating time of spray operations.
[0012]
Other objects and features of the present invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
[0013]
【Example】
FIGS. 1 to 4 show an embodiment of the apparatus for carrying out the spray fireproof coating method of the present invention. As shown in the figure, the spray fireproof cover apparatus 10 according to the present invention has a pair of arms 14 spaced apart. And a curing sheet 12 attached to the upper part of the frame 11 so as to cover a required block of the work scaffold 1, and the lower part of the frame 11 is used as a work scaffold. A locking member 16 that locks to the lower horizontal member 4 of one handrail 2, and a locking member 17 that has one end attached to the middle portion of the frame 11 and the other end locked to the upper horizontal member 5 of the handrail 2. And are provided.
[0014]
Such a spray fireproof coating apparatus 10 according to the present invention is provided for each required block using a working scaffold 1 of various steel pipes used when sprayed fireproof coating is applied in a building structure as shown in FIG. It is installed on the large beam 7 that connects between the columns 6 and the small beam that connects the large beams, and is attached to the handrail 2 portion of the work scaffold 1 as shown in FIG. . For example, in FIG. 1, the place where the fireproof coating between the pillar 6 and the pillar 6 of the building structure is applied is divided into three blocks B1, B2, and B3, and these blocks B1, B2, and B3 are sprayed in order. As the work to be performed, first, in the first one block B1, the spray fireproof coating apparatus 10 of the present invention is installed and used to perform the spray work, and then the work is performed to the blocks B2 and B3. It will be done.
[0015]
As shown in the drawing, the frame 11 is formed in a frame shape from a pair of laterally spaced vertical arms 14 and a connecting member 15 that connects these arms 14. A member 16 is attached, and a support member 18 is pivotally attached through an appropriate attachment member 19 in the middle. The support member 18 is preferably a member that can be adjusted in length, such as a telescopic cylinder, and a hook member 17 that is engaged with the upper horizontal member 5 of the handrail 2 is provided at the other end. . In such a frame 11, the upper end corner of the curing sheet 12 is attached to the upper end by an appropriate locking member 20 such as a hook, and the lower portion is fixed by another appropriate locking member 21 such as a wire, a string, or a hook. The curing sheet 12 is locked and attached. Further, the frame 11 can be made of a metal pipe member such as a steel pipe member or an aluminum pipe member, a synthetic resin pipe member such as a vinyl chloride pipe member, or the like. It can also be made using other appropriate frame members and frame members such as resin materials. Further, a cylindrical cap member 22 (FIG. 2) can be inserted into the upper end portion of the arm 14 of the frame 11 to increase the height thereof.
[0016]
As the curing sheet 12 used in the sprayed fireproof coating apparatus 10 of the present invention, a conventionally used material such as a coarse knitted fabric, a knitted product of vinyl chloride resin, or a canvas sheet may be preferably used. it can.
[0017]
According to the spray fireproof coating method and apparatus of the present invention configured as described above, when an operator works on the step board 3 of the work scaffold 1, the lower end of the frame 11 corresponds to a required block. The hook member 16 is hooked and supported by the lower horizontal member 4 of the handrail 2 of the work scaffold 1, and the hook member 17 of the support member 18 is hooked and attached to the upper horizontal member 5 of the handrail 2. Accordingly, as shown in FIGS. 2 and 3, the frame 11 is supported in a state where the upper part is inclined and opened to the outside of the handrail 2, and the curing sheet 12 having the upper end attached to the frame 11 is hung downward. The required block region is covered by the curing sheet 12 and can be suitably prevented from being scattered by the spraying work in the block. Further, the inclination of the frame 11 to the outside at this time can be determined as required by adjusting the length of the support member 18.
[0018]
When the spraying work in the required block is completed in this way, the curing sheet 12 is removed and moved to change the work place to the next adjacent block. That is, first, the curing sheet 12 is picked and lifted so that the load of the curing sheet 12 is not applied to the frame 11, the hook member 17 of the support member 18 is removed from the upper lateral member 5, and the lower hook of the frame 11 is also removed. The member 16 is removed from the lower horizontal member 4 and the frame 11 is moved in the horizontal direction along the upper and lower horizontal members 5 and 4 by a required block width, and then hook members 17 and 16 are hooked on the horizontal members 5 and 4 respectively. If the frame 11 is attached and the curing sheet 12 is hung from the frame 11, necessary portions can be covered with the curing sheet 12. In this way, if the curing sheet 12 is attached while moving sequentially for each block and the spraying operation is performed, the required spraying can be performed satisfactorily without the spraying fireproof coating material scattering.
[0019]
Thus, in the spray fireproof coating method and apparatus of the present invention, the lower part of the frame 11 to which the upper part of the curing sheet 12 is attached is locked to the lower lateral member 4 of the handrail 2 of the work scaffold 1 and the frame 11 Since the other end of the support member 18 having one end attached to the middle portion is locked to the upper horizontal member 5 of the handrail 2 and the frame 11 is supported by the handrail 2 of the work scaffold 1, the upper end of the support member 18 is The curing sheet 12 attached to 11 hangs downward from the frame 11 so as to cover the work scaffold 1 for each block.
[0020]
【The invention's effect】
As described above, according to the present invention, the spray fireproof coating method according to claim 1 attaches the upper part of the curing sheet to the frame formed by connecting the pair of arms with a connecting material at intervals, and hangs down. The lower part of the frame is locked to the lower horizontal member of the handrail of the working scaffold, and the other end of the support member having one end attached to the middle part of the frame is locked to the upper horizontal member of the handrail. As a result, the work scaffold is covered with the curing sheet for each block, so that it is possible to prevent the spray material from being scattered in the spray coating work for each block, thereby improving the work environment. Because the scattered spray material can be collected for each block, it is possible to prevent foreign materials that may occur in construction in other industries from being mixed into the dropped spray material, and it is possible to reuse the dropped spray material, The degree of influence on workers in other industries on the first floor is reduced, and multiple layers can be operated simultaneously.Furthermore, the frame can be easily attached to or detached from the handrail, reducing work time, Cleaning time of the floor and other parts after the work is shortened, and sufficient operating time of the spraying work can be secured.
[0021]
Moreover, since the spray fireproof coating method of Claim 2 of this invention enables adjustment of the length of a supporting member, the space | interval between a curing sheet and a scaffold for work can be adjusted arbitrarily to a required space | interval.
[0022]
Furthermore, in the spray fireproof coating method of claim 3 of the present invention, when not in use, the lower part of the frame is removed from the lower horizontal member of the handrail of the working scaffold, and the frame is held in a substantially vertical state only by the support member. The frame can be handled easily, and the operation is simplified.
[0023]
Furthermore, in the spray fireproof coating method of claim 4 of the present invention, since the curing sheet is suspended with a sufficient length from the frame to the floor surface, the work scaffold can be suitably covered for each block.
[0024]
According to the spray fireproof coating method of claim 5 of the present invention, the spraying material is prevented from being scattered by the curing sheet for each block, and the spraying material is reused by preventing foreign matter from entering, so that the working environment is improved. It is possible to prevent foreign substances that may occur in construction in other industries from being mixed into the falling spray material, and multiple layers in other industries can be simultaneously operated on the same work floor.
[0025]
According to a sixth aspect of the present invention, there is provided a spray fireproof coating apparatus comprising: a frame formed by connecting a pair of arms with a connecting member at an interval; and a curing sheet attached to an upper portion of the frame so as to cover a required block. And a locking member for locking the lower part of the frame to the lower horizontal member of the handrail of the work scaffold, and a support having one end attached to the middle part of the frame and the other end locked to the upper horizontal member of the handrail. Since the material is provided for each block, the work scaffold can be covered with a curing sheet for each block to prevent the spray material from scattering in the spray coating work for each block, thereby improving the work environment, etc. The foreign material that can occur in construction in the industry can be prevented from being mixed into the dropped spraying material, and the dropped spraying material can be reused, and multiple layers of other industries in the same work stage can be operated simultaneously. It can be removed easily attached to sliding, to thereby shorten the working time is shortened cleaning time floor or other parts of the body after the work is completed and a sufficient operating time of spraying operations can be ensured.
[0026]
Moreover, since the support member is formed so that length adjustment is possible, the spraying fireproof coating apparatus of Claim 7 of this invention can adjust a curing sheet from a working scaffold to a required space | interval, and can be supported by suspension. .
[0027]
Furthermore, in the spray fireproof coating apparatus according to claim 8 of the present invention, since the hook member is provided at the lower part of the frame, the frame can be detachably locked and supported on the lower lateral member of the handrail of the work scaffold. it can.
[0028]
Since the curing sheet is attached to the frame by the hooking hook member, the curing sheet can be attached easily and easily.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic plan view of a building structure showing a spray fireproof coating apparatus for carrying out the spray fireproof coating method of the present invention.
2 is a side view of the spray fireproof coating apparatus of FIG. 1. FIG.
FIG. 3 is an enlarged side view of the spray fireproof coating apparatus of FIG. 2;
4 is a front view of a frame of the spray fireproof coating apparatus of FIG. 3. FIG.
5 is a side view sequentially showing the frame of the spray fireproof coating apparatus of FIG. 3 at each operating position.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Work scaffold 2 Handrail 3 Footboard 4 Lower horizontal member 5 Upper horizontal member 6 Column 7 Large beam 10 Spray fireproof coating apparatus 11 Frame 12 Curing sheet 14 Arm 15 Connecting material 16 Hook member 17 Hook member 18 Support member 19 Mounting member 20 Locking Member 21 Locking member 22 Cap member

Claims (9)

  The upper part of the curing sheet is attached to and suspended from a frame formed by connecting a pair of arms with a connecting member at intervals, and the lower part of the frame is locked to the lower horizontal member of the handrail of the work scaffold, The spraying fireproofing, characterized in that the other end of the support member having one end attached to the end portion is engaged with the upper horizontal member of the handrail so that the work scaffold is covered with a curing sheet for each block. Coating method.   The spray fireproof coating method according to claim 1, wherein the distance between the curing sheet and the working scaffold can be adjusted by adjusting the length of the support member.   The spray fireproof coating method according to claim 1, wherein when not in use, the lower part of the frame is detached from the lower horizontal member of the handrail of the work scaffold, and the frame is held in a substantially vertical state only by the support member.   The spray fireproof coating method according to claim 1, wherein the curing sheet is suspended from the frame to the floor surface with a sufficient length. The spraying fireproof coating method according to claim 1, wherein the spraying material is prevented from being scattered by the curing sheet for each block, and the spraying material is reused by preventing foreign matter from entering.   A frame formed by connecting a pair of arms with a connecting member at an interval, and a curing sheet that is attached to the frame so as to cover a required block and hangs down. The lower part of the frame is attached to a handrail of a working scaffold. A spray fireproof, characterized in that a locking member for locking to the lower horizontal member and a support member having one end attached to the middle part of the frame and the other end locked to the upper horizontal member of the handrail are provided. Coating equipment.   The spray fireproof coating apparatus according to claim 6, wherein the support member is formed to be adjustable in length.   7. The spray fireproof coating apparatus according to claim 6, wherein a hook member is provided at a lower portion of the frame and is detachably locked to a lower lateral member of a handrail of the work scaffold.   The spray fireproof coating apparatus according to claim 6, wherein the curing sheet is attached to the frame by a hooking hook member.

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