CN212053869U - Vertical entrance to a cave rail guard of elevator well - Google Patents

Abstract

The utility model discloses an elevator well vertical hole guard railing, which comprises an upper folding protective door (1), a lower folding protective door (4) and a movable claw (2) for fixing the protective door, and is characterized in that the two folding protective doors (1) are connected through a hinge (3), and the whole vertical hole is totally closed after the protective doors (1) are unfolded; every foldable guard gate is fixed on vertical entrance to a cave both sides wall body (8) about through movable claw (2) respectively, and movable claw (2) pass through steel casing pipe (5) and connect on guard gate horizontal rod piece (7) to fix in guard gate horizontal rod (7) position with bolt and nut (6), guard gate (1) welding toe board (4) of lower part, the outer facade hangs close mesh net after whole guard gate installation, and close mesh net is fixed rather than the member with the bundle silk. The utility model discloses prevent that the operation personnel from moving vertical entrance to a cave protective device such as elevartor shaft at will, whole installation does not harm the wall body, simple installation, economy are high-efficient, and realize that whole entrance to a cave is totally closed, the later stage of also being convenient for is dismantled.

Description

Vertical entrance to a cave rail guard of elevator well

Technical Field

The utility model belongs to safety protection facility for construction relates to an instrument formula protection of vertical entrance to a cave such as elevartor shaft particularly.

Background

Modern high-rise building of building is more and more popularized, according to building engineering accident statistics over the years, the eminence accident of falling accounts for 40% ~ 50% of whole building construction incident, and the proportion is first of five injury accidents all the time, and vertical entrance to a cave protection such as elevartor shaft is not in place very easily causes the eminence accident of falling again, vertical entrance to a cave protection methods such as elevartor shaft usually: (1) one method is to adopt steel pipes to erect a handrail for protection, and has the defects that the steel pipes are easy to be repeatedly moved and even removed in the decoration process of an elevator front room, and the management is very difficult; (2) the other type is that the construction site is advocated by the current state and industry to implement tool type stereotyped protection, the vertical opening stereotyped protection mostly adopts expansion bolts to fix the finished product handrail on the wall bodies at two sides of the opening, and the defects are that the expansion bolts are applied, certain damage to the wall bodies is difficult to avoid, the installation and the disassembly are relatively inconvenient, a large amount of fasteners such as the expansion bolts need to be consumed, and the protection is not economical.

Disclosure of Invention

An object of the utility model is to provide a vertical entrance to a cave rail guard of elevator well, this rail guard provide design chemical tool formula protection to the vertical entrance to a cave of similar elevartor shaft form, and its installation is dismantled simply, economy is high-efficient, do not harm the wall, make things convenient for safety control, can realize the totally closed safety protection of vertical entrance to a cave such as elevator well.

The utility model discloses an aim at and solve its main technical problem and adopt following technical scheme to realize:

a vertical entrance to a cave rail guard of elevator well, including upper and lower two foldable guard gates, keep off the sole and be used for the movable claw of the fixed guard gate, characterized by that, two foldable guard gates pass the hinged joint, make the whole vertical entrance to a cave totally closed after the guard gate is expanded; each folding protective door is fixed on wall bodies on two sides of a left vertical hole and a right vertical hole through movable claws respectively, the movable claws are connected to horizontal rod pieces on the protective doors through steel sleeves, the horizontal rod pieces are fixed to positions of the protective doors through bolts and nuts, foot blocking plates are welded on the lower protective doors, a dense mesh net is hung on an outer vertical surface of the whole protective door after installation, and the dense mesh net is fixed with the rod pieces through binding wires.

The protective door and the movable claw are welded by adopting the screw steel (commonly C12 and C14) on the construction site.

The steel sleeve is larger than the horizontal rod piece by one size, the length of the steel sleeve is 30mm, a hole is drilled in the wall of the steel sleeve by 8-10 mm, an M5 hexagon nut is welded in the hole, and a matched bolt and nut are used for fixing the movable claw.

At least two movable claws on each protective door are used for fixing the protective door, and the distance between the vertical rod pieces of the single protective door is not more than 200 mm.

The height of the foot blocking plate is 180mm, and the foot blocking plate is formed by spot welding a steel plate with the thickness of 0.4 and a protective door rod piece.

When the protective door is used, after the two foldable protective doors are connected through the hinge, the movable claws freely slide on the horizontal rod piece according to the width of the vertical hole, the movable claws are put down when the movable claws are adjusted to be close to the end walls on the two sides of the hole, the inner sides of the wall bodies are buckled to fix the protective doors, and the movable claws are fixed at the positions of the horizontal rods of the protective doors by using bolts and nuts in a rotating and screwing mode, so that the protective doors are firmly and reliably fixed on the wall bodies on the two sides of the hole. The whole protective door is coated twice with yellow paint, and the foot baffle plate is coated with yellow-black paint.

The utility model discloses both satisfied country, trade requirement advocate instrument formula regularization protection, be to the further sublimation of entrance to a cave regularization protection again, overcome at will being moved in the work progress, be convenient for manage, do not harm the wall body, the relatively conventional regularization, the vertical entrance to a cave of adaptable certain interval width.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the drawing A of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2

FIG. 4 is a B-view of FIG. 1;

FIG. 5 is a view showing a usage state of the present invention;

fig. 6 is a cross-sectional view of fig. 5.

The labels in the figure are:

1. the protective door comprises a protective door body 2, a movable claw 3, a hinge 4, a foot baffle plate 5, a steel sleeve 6, a bolt nut 7, a horizontal rod piece 8 and a wall body.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and preferred embodiments of an embodiment, a structure, an arrangement and an efficacy of a guard rail for a vertical hole of an elevator shaft according to the present invention.

Referring to fig. 1-6, a protective guard for a vertical hole of an elevator shaft comprises an upper foldable protective door 1, a lower foldable protective door 1, a foot guard plate 4 and a movable claw 2 for fixing the protective doors, and is characterized in that the two foldable protective doors 1 are connected through a hinge 3, and the whole vertical hole is fully sealed after the protective doors 1 are unfolded; every foldable guard gate is fixed on the wall body 8 of vertical entrance to a cave both sides about through movable claw 2 respectively, and movable claw 2 passes through steel sleeve 5 to be connected on the horizontal member 7 on the guard gate to fix the horizontal member 7 position on the guard gate with bolt and nut 6, guard gate 1 welding of lower part keeps off the sole 4, and the outer facade hangs close mesh net after whole guard gate installation, and close mesh net is fixed with its member with the ligature silk.

The protective door 1 and the movable claw 2 are welded by adopting the screw steel (commonly used C12 and C14) on the construction site.

The steel sleeve 5 is larger than the horizontal rod piece 7 by one size, the length of the steel sleeve 5 is 30mm, a hole is drilled in the wall of the steel sleeve 5 by 8-10 mm, an M5 hexagon nut is welded in the hole, and the matched bolt and nut 6 is used for fixing the movable claw 2.

At least two movable claws 2 on each protective door 1 are used for fixing the protective door 1, and the distance between the vertical rod pieces of the single protective door is not more than 200 mm.

The height of the foot baffle plate 4 is 180mm, and the foot baffle plate 4 adopts a 0.4-thick and thin steel plate to be spot-welded with the protective door rod piece.

And (3) installation and use: the protective door with the foot blocking plates is firstly hooked to the wall body end parts close to the lower parts of the two sides of the hole by adjusting the movable claws, the movable claws are put down to be injected into the inner side of the wall body, then the foldable protective door is opened, the upper protective door is fixed on the wall body at the upper part in the same way, and finally the steel sleeve connected with the movable claws is screwed up by bolts and nuts so as to reliably fix the protective door.

Dismantling: the order is reversed from installation.

The utility model relates to an expansion of the tool type stereotyped protection of the vertical opening, compared with the traditional steel pipe frame protection, the utility model can avoid being moved by workers at will in the construction process, and the installation and the removal are rapid; compared with the current tool type stereotyped opening protection, the protective device has the advantages of no damage to a wall body, flexible adaptability to the opening within a certain width interval range, material saving, realization of full-closed protection of the opening, folding, convenience in storage and transportation, local material taking and manufacturing in a construction site, convenience in material taking, and relative simplicity and easiness in installation and disassembly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a vertical entrance to a cave rail guard of elevator well, includes two upper and lower foldable guard gate (1), keeps off sole (4) and is used for fixed guard gate's movable claw (2), its characterized in that: the two folding protective doors (1) are connected through a hinge (3), and the whole vertical hole is fully closed after the protective doors (1) are unfolded; every foldable guard gate is fixed on vertical entrance to a cave both sides wall body (8) about through movable claw (2) respectively, and movable claw (2) are connected on horizontal member (7) on the guard gate through steel casing pipe (5) to fix the horizontal member (7) position on the guard gate with bolt and nut (6), guard gate (1) welding of lower part keeps off sole (4), and the outer facade hangs close mesh net after whole guard gate installation, and close mesh net is fixed rather than the member with the bundle silk.

2. The elevator shaft vertical hole guard rail of claim 1, wherein: the protective door (1) and the movable claw (2) are welded by C12 and C14 thread steel commonly used in construction sites.

3. The elevator shaft vertical hole guard rail of claim 1, wherein: the steel sleeve (5) is larger than the horizontal rod piece (7) by one size, the length of the steel sleeve (5) is 30mm, a hole is drilled in the wall of the steel sleeve (5) by 8-10 mm, an M5 hexagon nut is welded in the hole, and a matched bolt nut (6) is used for fixing the movable claw (2).

4. The elevator shaft vertical hole guard rail of claim 1, wherein: at least two movable claws (2) on each protective door (1) are used for fixing the protective door (1), and the distance between the vertical rod pieces of the single protective door is not more than 200 mm.

5. The elevator shaft vertical hole guard rail of claim 1, wherein: the height of the foot blocking plate (4) is 180mm, and the foot blocking plate (4) is in spot welding with the protective door rod piece by adopting a 0.4-thick and thin steel plate.

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