JP6978039B2 - Protective suit system for maintenance method and protective suit used for the protective suit system for maintenance method - Google Patents

Description

The present invention mainly relates to a protective suit system for a maintenance method including a protective suit worn by the maintenance method for a steel structure, and a protective suit used for the protective suit system for the maintenance method.

Conventionally, in a steel structure maintenance method, in order to prevent inhalation of dust generated in a blasting process or the like, for example, a breathing protective device with an electric fan (dustproof mask) as disclosed in Patent Document 1. Etc. may be worn when working. Since such a configuration generally needs to cover the nostrils and the mouth and to be in close contact with the face to some extent in order to prevent dust and the like from entering through the gap, a belt or the like is attached by turning it around the back of the head.

Further, for example, protective clothing as disclosed in Patent Document 2 has also been proposed.

Japanese Unexamined Patent Publication No. 2013-75157 Japanese Unexamined Patent Publication No. 2017-20134

However, in the case of a dust mask as in Patent Document 1, the movement of the head is hindered or the head becomes heavy, which puts a burden on the operator's neck. Further, in the configuration in which the outside air for breathing is introduced through the filter, the introduction of the outside air may be blocked due to the clogging of the filter, and there is room for improvement.

Further, since the dust mask as in Patent Document 1 does not cover the eyes, it is necessary to separately wear dust-proof glasses or the like.

Further, in a protective clothing such as Patent Document 2, if the air pressure inside the protective clothing is set to a higher positive pressure than the outside in order to prevent dust or the like from entering the protective clothing, the legs expand due to the positive pressure. There was a problem that it became difficult to work. Further, it is difficult to put on and take off the protective clothing in the form of coveralls by one person, and there is also a problem that it is necessary to have another person help when putting on and taking off.

Therefore, an object of the present invention is to provide a protective suit system for a maintenance method and a protective suit used for the protective suit system for the maintenance method, which can be attached and detached by one person and does not hinder the movement of the wearer. ..

The present invention is a protective suit system for a maintenance method including a protective suit worn by the maintenance method for a steel structure, comprising the protective suit and an outside air introducing means for introducing outside air into the protective suit. In the protective suit, the lower end is opened for attachment / detachment to form a lower end opening, a head covering portion covering the wearer's head, a body covering portion covering the wearer's body portion, and a wearer. It has an upper body shape that includes at least an arm covering portion that covers the arm portion of the head and does not have a fastener, and a transparent portion for ensuring visibility is formed at least in front of the head covering portion. The outside air introduction hole for introducing outside air into the protective suit via the outside air introduction means, the exhaust portion for discharging the air in the protective suit, and the lower end opening formed at the wearer's waist. It is a protective suit system for a maintenance method, which is provided with a shrinking portion that comes into contact with the protective suit, and the outer surface of the protective suit has water resistance and stain resistance.

In such a configuration, since the upper body of the wearer is inserted from the lower end opening into the protective suit and worn, the assistance of another person is not required, and the wearer can be attached and detached by himself / herself. Further, since clean air is introduced into the protective suit, it is not necessary to separately wear heavy equipment such as a dust-proof mask and dust-proof glasses, and the wearer's head and neck are not burdened. Further, since the lower end opening is formed with a contracting portion that comes into contact with the wearer's waist, it is possible to prevent external dust and the like from entering the inside of the protective suit, and a fastener is provided to open and close the suit when attaching and detaching. The structure can be simplified because there is no need to do so. Further, since the outside air introduced into the protective suit circulates in the upper body portion of the wearer and is discharged from the exhaust portion, heat does not accumulate in the protective suit and heat stroke can be prevented. Further, since the outer surface of the protective suit has water resistance and stain resistance, there is no possibility that lead in dust, for example, dissolves in the sweat of the wearer and contaminates the wearer's body.

Further, the outside air introducing means introduces the outside air into the protective suit by an insertion pipe inserted into the outside air introduction hole portion, and the insertion pipe is attached to the head by the wearer in the protective suit. It is proposed that the armor has an annular portion to be adhered along the outer periphery of the armor, and the outside air is discharged downward from a plurality of through holes formed in the tube wall of the insertion tube in the annular portion.

In such a configuration, fresh and clean air can be constantly supplied to the wearer's face. In addition, the air supplied to the face can lower the body temperature and effectively prevent heat stroke.

Further, the present invention is a protective suit characterized in that it is used in the protective suit system for the maintenance method.

The protective suit can be put on and taken off by one person. In addition, it is not necessary to separately wear dust-proof masks and dust-proof glasses, which are heavy equipment. Moreover, since the structure of the protective suit itself is simple, it can be produced at low cost. Furthermore, it is possible to prevent heat stroke and prevent harmful substances from being taken up from the wearer's skin.

The protective suit system for the maintenance method of the present invention has the effect that the protective suit can be attached and detached by one person. It also has the effect of not burdening the wearer's head and neck. It also has the effect of preventing heat stroke. Furthermore, it has the effect of preventing contamination by harmful substances.

The protective suit of the present invention has the effect of being put on and taken off by one person. It also has the effect of not burdening the wearer's head and neck. It also has the effect of preventing heat stroke. Furthermore, it has the effect of preventing contamination by harmful substances.

It is a schematic explanatory drawing explaining the protective suit system for maintenance construction method concerning 1st Example. A protective suit system for a maintenance method according to a second embodiment is shown, (a) is a schematic explanatory view, and (b) is an explanatory diagram for explaining an annular portion.

Hereinafter, an embodiment of the protective suit system for the maintenance method and the protective suit according to the present invention will be described in detail. The present invention is not limited to the examples shown below, and the design can be changed as appropriate.

[First Example]
As shown in FIG. 1, the protective suit 10 has a head covering portion 11 that covers the wearer's head, a torso portion covering portion 12 that covers the wearer's body portion, and the wearer's left and right arms. It has an upper body shape with a pair of left and right arm coverings 13, 13 having a wrist opening 14 that is covered and has an opening at the end and a tip protruding from the wearer's wrist.

Further, the lower end of the body portion covering portion 12 is opened for attachment / detachment, and the lower end opening portion 15 is formed. A shrinking portion 17 to which an annular rubber string 16 is attached is formed at the lower end opening 15. Similarly, the wrist opening 14 of the arm covering portion 13 is formed with a contracted portion 17 to which an annular rubber string 16 is attached.

Further, on the front surface of the head covering portion 11, a transparent portion 20 for ensuring the field of view for ensuring the field of view of the wearer is provided. The transparent portion 20 for ensuring visibility is made of a thick transparent film material that can withstand blasting work.

Further, the body portion covering portion 16 is formed with an outside air introduction hole portion 21 for introducing outside air into the protective suit 10.

Further, a through hole 22 as an exhaust portion penetrating the inside and outside of the protective suit 10 is provided at the upper end portion of the body portion covering portion 12, and a filter 23 is attached to the outside of the through hole 22.

The protective suit 10 is made of a fabric using synthetic fibers or natural fibers, and the outer surface is processed with a water resistant coating and a stain resistant coating. The required water resistance may be such that moisture does not enter the inside from the outer surface of the protective suit 10. Further, the required stain resistance may be such that the outside air does not enter the inside from the outer surface of the protective suit 10. With respect to the material and coating technique of the protective suit 10, conventional techniques can be suitably applied.

Further, the protective suit 10 is not formed with openings or communication passages leading to the inside and outside, other than the wrist opening 14, the lower end opening 15, the outside air introduction hole 21, and the through hole 22. Moreover, the protective suit 10 is not provided with a fastener that is used when worn and that separates or joins the fabric.

Here, when wearing the protective suit 10, the wearer's head and both arms are inserted from the lower end opening 15 of the protective suit 10, and the wearer's head is arranged inside the head covering portion 11. Both hands of the wearer are passed through the arm coverings 13 and 13, respectively, and the tip of the wrist is projected from the wrist opening 14. The lower end opening 15 is arranged at the waist of the wearer, and the contracted portion 17 is elastically contacted with the waist. In addition, work gloves (not shown) are worn so that the wrist opening 14 is in close contact with the wearer's wrist and the wrist opening 14 is closed.

After that, when used, clean air is introduced into the protective suit from the outside air introducing means 30 that generates clean air via a HEPA filter or the like through the outside air introduction hole 21 via a hose (not shown), and the inside of the protective suit 10. To positive pressure. The introduced air is used for the wearer's breathing and circulates on the surface of the wearer's upper body and is discharged to the outside through the through hole 22.

The protective suit system 1 for the maintenance method is configured by the protective suit 10 and the outside air introducing means 30.

In the protective suit system 1 for the maintenance method described above, the protective suit 10 has an upper body shape that covers only the upper body of the wearer, and is not provided with a fastener, so that the protective suit 10 can be attached and detached only by the wearer himself / herself. Further, since the lower body is not subjected to positive pressure, the lower body does not expand and the workability does not deteriorate. Further, since clean air is constantly introduced into the protective suit 10, the air circulates and the wearer's heat stroke can be prevented. In addition, a dust mask or the like may be worn as an auxiliary for safety, but there is an advantage that the wearer's head and neck are not burdened because heavy equipment is not required. In addition, since the water-resistant and stain-resistant coatings are processed, it is possible to prevent the penetration and contamination of harmful substances.

[Second Example]
In the second embodiment, one end of the hose 41, which is an insertion pipe, is attached or inserted into the outside air introduction hole 21 of the protective suit 10, and the other end of the hose 41 is as shown in FIG. 2A. An annular portion 42 to be worn is connected along the outer periphery of the armor (helmet) B worn on the head of the wearer A wearing the protective suit 10. As shown in FIG. 2B, a plurality of through-hole portions 43 are formed in the annular portion 42, and the through-hole portions 43 are adjusted so as to face downward while being attached to the helmet B.

In such a configuration, since the clean air generated by the outside air introducing means 30 is discharged downward from the through hole portion 43, fresh air is always supplied around the face of the wearer A.

In addition, since the air around the face is constantly circulated, the heat around the face of the wearer A can be relieved, and heat stroke can be effectively prevented.

The dimensions and shape of each part can be freely selected as appropriate. For example, the entire head covering portion 11 may be made of a transparent synthetic resin to ensure a large field of view. Further, the positions of the outside air introduction hole 21 and the through hole 22 which is the exhaust part are not particularly limited. Further, the outside air introducing means 30 may be, for example, a stationary type that supplies clean air to a plurality of protective suits 10. Separately, the outside air introducing means 30 is fixed to the wearer's waist with a belt or the like and is used by the wearer. It may be a means of ensuring freedom of movement. Further, a pocket capable of accommodating the work tool and a locking portion for hooking the work tool may be separately provided on the outer surface of the protective suit 10. Further, the wrist opening 14 may also be formed with a contraction portion 17 that comes into contact with the wearer's wrist. The contracted portion 17 may be expanded or contracted by an elastic member other than the rubber string 16. Further, more preferably, the worker may use the mask C as an auxiliary.

1 Protective suit system for maintenance method 10 Protective suit 11 Head covering part 12 Body covering part 13 Arm covering part 14 Wrist opening 15 Lower end opening 16 Rubber string 17 Shrinking part 20 Transparent part for ensuring visibility 21 Outside air introduction hole 22 Through hole (exhaust part)
23 Filter 30 Outside air introduction means 41 Hose (insertion pipe)
42 Circular part 43 Through hole part A Wearer B Armor

Claims (1)

A protective suit system for maintenance methods equipped with a protective suit worn by the maintenance method for steel structures.
With the protective suit
An outside air introduction means that introduces outside air, which is clean air, into the protective suit for breathing.
Equipped with
The protective suit is
The lower end is opened for attachment and detachment to form a lower end opening, which covers the head covering portion that covers the wearer's head, the torso covering portion that covers the wearer's torso, and the wearer's arm. It has an upper body shape that includes at least the arm covering part and does not have a fastener.
A transparent portion for ensuring visibility is formed at least on the front surface of the head covering portion.
Further, an outside air introduction hole for introducing outside air into the protective suit via the outside air introduction means, and an outside air introduction hole.
The exhaust part for exhausting the air in the protective suit,
A contraction portion formed in the lower end opening and in contact with the wearer's waist, and a contraction portion.
A wrist opening formed in the arm covering portion, the tip of which protrudes from the wearer's wrist, and the wrist opening.
A contraction portion formed in the wrist opening and in contact with the wearer's wrist,
Equipped with
The outer surface of the protective suit is water resistant and stain resistant.
The outside air introducing means introduces outside air into the protective suit by an insertion pipe inserted into the outside air introduction hole portion, and the insertion pipe is an armor worn on the head by the wearer in the protective suit. It has an annular portion that is covered and adhered to the outer surface of the armor along the outer periphery of the armor, and outside air is discharged downward from a plurality of through holes formed in the tube wall of the insertion tube in the annular portion. It is a thing,
The outside air introducing means is a stationary type protective suit system for a maintenance method, characterized in that clean air is supplied to a plurality of protective suits.

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