JP3175380U - Fall prevention jig - Google Patents

Abstract

An object of the present invention is to provide a fall prevention jig capable of fixing a fall prevention jig over a wide range along a surface formed on a structure.
A drop prevention jig 1 is attached to auxiliary members 5 and 7 remaining in a structure and a safety band 8 is hooked, and a hook 9 constituting the safety band is removably attached. An annular base portion 2 and a plurality of engaging portions 3 provided integrally with the base portion at intervals in the circumferential direction and detachably attached to the auxiliary member are provided. In use, the worker W first carries the fall prevention jig 1, climbs up to the assembled work scaffold 6, and uses the carried fall prevention jig 1 as an auxiliary member 5, 7 is fixed to the wall 4 by selecting and screwing one of the engaging portions 3 suitable for them. Next, the safety belt 8 is fixed by hooking the hook 9 of the safety belt 8 on the base 2 of the fall prevention jig 1. This prevents the worker W from falling.
[Selection] Figure 2

Description

  The present invention relates to a jig used to prevent a worker from falling when the worker performs a work at a high place in a construction work or a renovation work such as a house.

Work at high places is unavoidable at construction sites such as houses and renovation sites.
For this purpose, a scaffold is assembled at the work site, and the worker is working on the scaffold.

  When the work at a high place exceeds 2 m, the worker is obliged to wear a safety belt to prevent the fall and to perform the work with the safety belt fixed to a solid structure.

  As a conventional example for fixing such a safety belt, a handrail is assembled to a scaffold, and a hook constituting the safety belt is hooked on the handrail (Patent Document 1). .

JP 2011-127376 A

  However, the above-described conventional technology still has the following problems to be improved.

That is, as described above, in the method of fixing the safety band to the handrail, the worker must work on the scaffold without the handrail in order to assemble the handrail.
Therefore, there is no place for fixing the safety belt until the handrail is assembled.

In order to avoid this, it is conceivable to temporarily fix the safety belt to a scaffold that has already been assembled.
However, when the fixed position is below the operator and a fall accident occurs, the impact force applied to the operator increases, which is not preferable.

  An object of the present invention is to provide a fall prevention jig capable of solving the problems remaining in the conventional technology described above.

  According to a first aspect of the present invention, in order to solve the above-described problem, the fall prevention jig is attached to an auxiliary member that is used for construction of a construction and is left in the construction after construction. And a safety ring to which the safety belt is hooked, an annular base portion to which a hook constituting the safety belt or a master rope to which the hook is hooked is detachably attached, and the base portion thereof. And a plurality of engaging portions that are integrally provided at intervals in the circumferential direction and are detachably secured to the auxiliary member.

  In the fall prevention jig according to claim 1, the annular base portion is firmly constructed by fastening the base portion to one of the auxiliary members remaining in the existing structure through one of the engaging portions. It is possible to secure the fixed position of the safety belt worn by the operator.

  The auxiliary member is used when constructing the structure, and is left in the structure after the construction, and is also present at a high place, when assembling the work scaffold or when disassembling the scaffold. In addition, the fixed position of the safety belt can be easily secured above the operator's feet independently of the scaffold.

  In addition, since the auxiliary member is used in a large number in the structure, the attachment position of the fall prevention jig is wide, and the fixing position of the safety belt can be easily secured even when the work position is moved. be able to.

  Furthermore, by providing a plurality of the engaging portions, it is possible to select them according to the type of the auxiliary member, and it is possible to greatly expand the range in which the fall prevention jig can be fixed.

  The fall prevention jig according to claim 2 of the present invention is a separator in which the auxiliary member according to claim 1 is left on the wall of the structure, and one of the engaging portions is an end of the separator. The engagement nut is screwed to the male screw formed in the portion.

  With such a configuration, the separator is installed in a grid pattern at intervals of 30 cm to 60 cm on the entire wall surface in order to fix the formwork for wall construction. The fixing position of the tool can be set finely over the entire surface of the wall.

  Therefore, when assembling the work scaffold along the inner and outer surfaces of the building wall, when disassembling the work scaffold, or when finishing or repairing the wall surface, It can be easily secured at a more appropriate position above the operator's waist.

  The jig for preventing fall according to claim 3 of the present invention is a wall joint for fixing the work scaffold assembled along the wall, wherein the auxiliary member is provided on the wall of the structure, and the engagement One of the parts is an engagement bolt that is screwed into a female screw formed in the wall connection.

  By adopting such a configuration, it is possible to expect the same effect as the separator described above.

  A fall prevention jig according to claim 4 of the present invention is a suspension bolt that constitutes a light ceiling in which the auxiliary member according to claim 1 is suspended from the ceiling of the structure, One is characterized in that the engaging nut is screwed onto the suspension bolt.

  With such a configuration, when performing work along the ceiling, it is possible to secure a fixed position of the safety belt at an arbitrary position on the ceiling.

  A fall prevention jig according to claim 5 of the present invention is an insert in which the auxiliary member according to claim 1 is embedded in a ceiling of the structure, and one of the engaging portions is attached to the suspension bolt. The engagement bolt is screwed.

  By adopting such a configuration, it is possible to achieve the same effect as that of the fourth aspect, and it is possible to perform the construction of the preceding piping such as the electrical equipment arranged along the ceiling, By screwing the drop prevention jig to the other adjacent insert, the preceding pipe can be temporarily fixed using the drop prevention jig.

  According to the present invention, the fall prevention jig can be fixed in a wide range along the surface formed on the structure, and thereby, the fixing position of the safety belt worn by the worker can be easily secured in a wide range. can do.

1 shows an embodiment of the present invention, and is a front view of a fall prevention jig. FIG. It is a longitudinal cross-sectional view which shows the usage example of one Embodiment of this invention. It is a side view which shows the usage example of one Embodiment of this invention. It is a side view which shows the other usage example of one Embodiment of this invention. It is a fragmentary longitudinal cross-section which shows the other usage example of one Embodiment of this invention. It is a fragmentary longitudinal cross-section which shows the other usage example of one Embodiment of this invention. It is a fragmentary longitudinal cross-section which shows the other usage example of one Embodiment of this invention. The other embodiment of this invention is shown and it is a front view of the jig | tool for fall prevention. It is a front view which shows the usage example of other embodiment of this invention. It is a fragmentary longitudinal cross-section which shows the usage example of further another embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
In FIG. 1, reference numeral 1 denotes a drop prevention jig according to this embodiment.

  The dropping prevention jig 1 includes an annular base 2 and a plurality of (four in the present embodiment, first to fourth) integrally provided on the base 2 at positions spaced in the circumferential direction. Engaging portions 3a, 3b, 3c, and 3d. These first to fourth engaging portions 3a, 3b, 3c, and 3d are spaced from each other by 90 degrees, and the base 2 It is provided along the radial direction.

The first engagement portion 3a and the second engagement portion 3b are configured by bolts, and the first engagement portion 3a has a larger diameter than the second engagement portion 3b. Is formed.
For example, a 13φ bolt is used for the first engaging portion 3a, and a 9φ bolt is used for the second engaging portion 3b.

The third engagement portion 3c and the fourth engagement portion 3d are configured by nuts, and the third engagement portion 3c has a larger diameter than the fourth engagement portion 3d. Is formed.
For example, a 9φ nut is used for the third engaging portion 3c, and a 6φ nut is used for the fourth engaging portion 3d.

  FIG. 2 shows an auxiliary member in the present embodiment, and a separator 5 used when constructing a wall 4 of a structure and a working scaffold 6 serving as a scaffold for the worker W are fixed to the wall 4. The wall connection 7 for the purpose is shown as the auxiliary member.

  Both ends of the separator 5 are formed with male screws, and in this embodiment, a 9φ or 6φ screw diameter similar to the nominal diameter of the third engaging portion 3c or the fourth engaging portion 3d. It has been.

  A female screw is formed inside the wall joint 7 and has a screw diameter of 13φ or 9φ similar to the nominal diameter of the first engaging portion 3a or the second engaging portion 3b.

  Next, a method of using the fall prevention jig 1 of the present embodiment will be described with reference to FIG.

  Here, FIG. 2 shows a case where the work scaffold 6 is assembled along the wall 4 and the worker W wearing the safety belt 8 performs work on the work scaffold 6.

  The worker W first carries the fall prevention jig 1 and climbs the assembled work proof scaffolding 6, and the carried fall prevention jig 1 is moved to the separator 5 or the wall connection 7. In addition, one of the engaging portions 3 matching these is selected and screwed to be fixed to the wall 4 (FIG. 2 shows an example of fixing to the wall joint 7).

In this way, when the fall prevention jig 1 is fixed, it can be fixed by an operation of rotating the base 2, so that the movement of the operator W can be minimized and the fixing can be performed quickly.
Therefore, the work is performed in a stable posture, and safety is ensured.

As described above, after the fall prevention jig 1 is fixed, the safety band 8 is fixed by hooking the hook 9 of the safety band 8 on the base 2 of the fall prevention jig 1. Made.
This prevents the worker W from falling.

  Even during the hooking operation of the hook 9, the worker W can hold the fixed fall prevention jig 1, and from this point, the safety of the worker W is ensured. .

  In this way, the worker W can fix the safety belt 8 immediately on the work scaffold 6 and with minimal movement.

  Since the separator 5 and the wall joint 7 are left or installed on almost the entire surface of the wall 4, for example, as shown in FIG. 3, when working while moving the work scaffold 6. In that case, by transferring the fall prevention jig 1 to another wall joint 7 or separator 5 positioned in the horizontal direction, and by hooking the hook 9 to the moved fall prevention jig 1, Movement is possible while ensuring safety.

  Here, if the two fall prevention jigs 1 are carried, other fall prevention jigs can be maintained while maintaining the fall prevention function of the fall prevention jig 1 fixed earlier during the movement described above. 1 can be carried out, and the hook 9 can be exchanged while grasping the fall-preventing jig 1 previously fixed with one hand, so that safety is further ensured.

  The above-described effects are the same even when the work is advanced upward, for example, as if the work scaffold 6 is assembled upward, and the work scaffold 6 is viewed from above. The same applies to the case of dismantling downward.

  On the other hand, as described above, when the work changes in the horizontal direction, as shown in FIG. 4, the two anti-falling jigs 1 are fixed apart in the horizontal direction. The master rope 10 may be tied between them, and the hook 9 may be hooked on the master rope 10.

  FIG. 5 shows a suspension bolt 12 constituting a light ceiling suspended from the ceiling 11 of the structure as the auxiliary member.

  Even in this case, the same effect as that of the above-described embodiment can be obtained by selecting the engaging portion 3 that matches the suspension bolt 12 and fixing the fall prevention jig 1 to the suspension bolt 12. be able to.

  FIG. 6 shows the replacement operation of the fall prevention jig 1 when the work is moved in the horizontal direction in the embodiment shown in FIG.

  FIG. 7 shows a state in which the master rope 10 is installed along the ceiling 11 using a plurality of fall prevention jigs 1.

  Further, FIG. 8 shows a modification in which the positions of the second engaging portion 3b and the third engaging portion 3c are exchanged.

  With such a configuration, as shown in FIG. 9, the fourth engagement portion 3 d of the other fall prevention jig 1 is connected to the second engagement portion 3 b of one fall prevention jig 1. By screwing, a plurality of the fall prevention jigs 1 can be connected.

  This is effective, for example, when it is desired to separate the hook 9 of the safety belt 8 from the wall 4.

  Note that the shapes, dimensions, and the like of the constituent members shown in the above embodiment are merely examples, and various changes can be made based on design requirements and the like.

  For example, in FIGS. 5 to 7, an example in which the fall prevention jig 1 is attached to the suspension bolt 12 suspended from the ceiling 11 is shown. Instead, as shown in FIG. The jig 1 can be attached to the insert 13 embedded in the ceiling 11 before the suspension bolt 12 is mounted.

  In this case, it is possible to construct the leading piping 14 of the electrical equipment performed with the suspension bolt 12 not attached, and the fall prevention jig 1 is attached to another adjacent insert 13. Thus, the fall prevention jig 1 and the preceding pipe 14 can be temporarily fixed using a temporary fixing clamp 15.

DESCRIPTION OF SYMBOLS 1 Fall prevention jig | tool 2 Base 3 Engagement part 3a 1st engagement part 3b 2nd engagement part 3c 3rd engagement part 3d 4th engagement part 4 Wall 5 Separator (auxiliary member)
6 Working scaffold 7 Wall connection (auxiliary member)
8 Safety belt 9 Hook 10 Parent rope 11 Ceiling 12 Suspension bolt 13 Insert 14 Leading pipe W Worker

Claims (5)

  A fall-preventing jig that is attached to an auxiliary member that is used for construction of a structure and is attached to an auxiliary member that is left in the structure after construction, and on which a safety belt worn by an operator is hooked, the hook constituting the safety belt, or A ring-shaped base portion to which a master rope to which the hook is hooked is removably attached, and a plurality of pieces that are integrally provided on the base portion with a space in the circumferential direction and are detachably attached to the auxiliary member. An anti-falling jig comprising an engaging portion.   The auxiliary member is a separator left on the wall of the structure, and one of the engaging portions is an engaging nut screwed to a male screw formed at an end of the separator. The fall prevention jig according to claim 1.   The auxiliary member is provided on a wall of the structure, and is a wall joint that fixes a working scaffold assembled along the wall, and one of the engagement portions is formed on a female screw formed on the wall joint. The fall prevention jig according to claim 1 or 2, wherein the engagement bolt is screwed.   The auxiliary member is a suspension bolt that constitutes a light ceiling suspended from a ceiling of the structure, and one of the engagement portions is an engagement nut that is screwed to the suspension bolt. Item 4. The fall prevention jig according to any one of Items 1 to 3. The auxiliary member is an insert embedded in the ceiling of the structure, and one of the engaging portions is an engaging bolt that is screwed to the suspension bolt. The fall prevention jig described in 1.

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