JP3308254B2 - Shatterproof screen and clamp guide device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shatterproof screen and a clamp guide device installed on the outer surface of a building.

[0002]

2. Description of the Related Art In general, a framework scaffold is used as an external scaffold installed outside a structure, and a frame scaffold mainly composed of a building frame, cross braces, and a cloth board (fabric frame) is assembled from the ground, or a structural scaffold is constructed. The building frame is assembled on a scaffold bracket and a temporary beam protruding from the body, the building frame is fixed to the structure body via a wall connection, and a curing sheet or the like is stuck on the outer surface of the framework scaffold.

[0003]

However, in the case of the framework scaffold as described above, since the scaffold is assembled so as to cover the entire building, it takes time and effort to assemble and disassemble the scaffold. There were problems such as the need for materials.

The present invention has been made to solve such problems, and an object of the present invention is to make it possible to easily cure the outside of a building with a simple and lightweight material, to shorten the construction period and to reduce the cost. Shatterproof screen
And a clamp guide device .

[0005]

Means for Solving the Problems The anti-scattering screen of the present invention comprises a curing net (curing net, mesh sheet,
(A soundproof sheet, a flameproof sheet, a soundproof panel, etc.) attached to the outer surface, and a removable frame attached to a rising wall (concrete building) or a steel beam (steel frame building) on the outer wall of the building. A guide member for guiding and supporting the body so as to be able to move up and down; and a lifting device (a winch or a hoist) for lifting the curing frame body, wherein the guide member is attached to a rising wall or a steel beam.
Removable mounting base and inner surface of curing frame
Guide rod provided along the vertical direction
From a clamp guide that guides and supports
And the clamp guide can move the guide rod up and down.
A pair of left and right guide wheels sandwiched by the Noh and the guide at the tip
Left and right one that can be opened and closed in the horizontal direction where the car is rotatably mounted
A pair of clamp guide arms and this pair of clamp arms
Is mounted on the base so that it can be opened and closed.
Equipped with a swing base that can be attached to the right to be able to turn horizontally
Characterized in that that (claim 1). The mounting base is fixed to a rising wall or the like with clamp hardware. The clamp guide clamps the guide rod with a guide wheel and guides and supports the guide rod so that the guide rod can be lifted smoothly.

[0006] The curing frame is supported by a lifting device during lifting, but is only supported up and down by a clamp guide during curing, so that the guide member and the curing frame are separated from each other by a rope for preventing fall. (Chains, ropes, etc.)
( Claim 2 ) and fixed so that the curing frame body does not fall during curing.

[0007] Curing frame, the vertical members (such as channel materials) cross member (such as single pipe pipe) constituting teamed in a lattice (請
Claim 3 ). It is preferable to arrange a cross member such as a single pipe on the outer surface and the inner surface of the vertical member, and fix the cross member to the vertical member by a single tube band or the like. In addition, it is preferable to arrange cross braces between the vertical members.

[0008] The clamp guide device of the present invention includes a mounting base.
And the guide rod are clamped and vertically movable.
With a clamp guide device consisting of a supporting clamp guide
Yes, the clamp guide moves the guide rod up and down
A pair of left and right guide wheels that can be pinched as
Open left right in the horizontal direction de car is mounted rotatably
A pair of clamp guide arms and the pair of clamp arms
Arm is openably and closably attached to the mounting base.
Equipped with a swing base that can be installed horizontally and horizontally
(Claim 4).

[0009] In the clamp guide device according to the fourth aspect,
To the base ends of the pair of left and right clamp guide arms.
The right and left screws of the adjustment screw are screwed together.
By rotating the arm adjustment screw, a pair of left and right clamps
The swing arm is configured to open and close the guide arm.
Center space between the base and both sides of the mounting base.
By arranging the top spring, horizontal turning is possible to the left and right
Press the active swing base to the center position.
(Claim 5).

At the time of curing, the curing frame is fixed to the floor with a pulling cord such as a chain or a rope with a turnbuckle so that it does not come off due to wind or the like. Also, a fall prevention net is provided between the curing frame and the rising wall of the building.

The anti-scattering screen having the above structure is assembled near the ground, for example, and set so as to cover openings of a plurality of floors. The mounting base of the guide member is hooked on a rising wall or the like from above and fixed with a clamp. Then, the curing frame is suspended and fixed by a fall-preventing rope fixed at the upper end to the guide member, and external curing is performed. Further, the curing frame is fixed to the floor with a pulling cord. When the placing of the uppermost floor is completed in this state, the lifting device is operated to raise the curing frame body by the height of the first floor using the guide member as a guide, and is fixed by the fall-preventing rope in the same manner as described above.
By repeating the above steps, external curing of the entire building can be performed with a simple and lightweight anti-scattering screen.

[0012] Since the guide rods provided on the inner surface of the curing frame are guided and supported by the clamp guides of the guide members attached to the rising walls and the like of each floor, the curing frame is smoothly raised, so that a simple crane can be used without using a crane. It can be easily raised by a lifting device.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in the drawings. This is an example applied to a concrete building. FIGS. 1, 2 and 3 show an example of a scattering prevention screen of the present invention, and are a side view, a front view, and a plan view showing a state near the ground. 4 to 8 show details of each component.

In FIG. 1 to FIG. 3, a shatterproof screen 1 of the present invention mainly comprises a curing frame 3 having a rectangular shape in a front view in which a curing net or a curing sheet 2 or the like is attached to an outer surface, and a concrete building A rising. A guide member 4 which is detachably attached to a wall (a parapet or the like of a half precast floor) B by a clamp 22 and guides and supports the curing frame 3 so as to be vertically movable by a clamp guide 20, and the curing frame 3 is attached to the outer surface of the building. A lifting device 5 such as a winch or a hoist that is lifted along, a drop-preventing cable 6 that is suspended from a guide member 4 and is made of a chain or a rope that prevents the curing frame 3 from falling, and a curing frame 3 It is composed of a pulling rope 8 such as a chain or a rope with a turnbuckle 7 which is pulled toward the side and fixed.

As shown in FIG. 2, the curing frame 3 is composed of a plurality of vertical members 9 and horizontal members 10 arranged in parallel at predetermined intervals.
Are arranged in a lattice shape, and cross braces 11 are arranged between the vertical members 9, 9, and further, as shown in FIG. 1, are guided and supported on an inner surface on the building side by a clamp guide 20 described later. Guide rods 12 are provided along the vertical direction.

As shown in FIG. 5 (a), the vertical member 9 is a channel member made of aluminum or the like having a special cross-sectional shape, and has a groove 9c with a lip formed on the web 9b side of the pair of flanges 9a. As will be described later, the vertical mounting position of the member can be adjusted by locking the bolt head in the groove 9c with lip. As shown in FIG. 1, a bolt hole is formed in a longitudinal end of the flange of the vertical member 9,
By joining the vertical member 9 having a predetermined length with the bolt through the joint plate 13, the curing frame 3 having a desired length can be obtained. Although FIG. 1 covers two floors near the ground, as will be described later, a vertical member 9 or the like is added to the lower portion to cover three floors in the upper floor portion. You.

The horizontal member 10 is a single pipe, and as shown in FIGS. 1 to 3, a large number of the horizontal members are arranged outside and inside the vertical member 9 at intervals in the vertical direction. A curing net or a curing sheet 2 or the like is attached to the outer cross member 9.
As shown in FIG. 4, a single tube band 14 holding the cross member 10 is used for fixing the vertical member 9 and the cross member 10. The single pipe band 14 is formed by using a bolt and a nut (not shown: described later) in which a bolt head is locked in a groove 9c with a lip of the vertical member 9.
Fixed to.

The guide rods 12 are formed of square pipes, and are disposed on the building side of each of the vertical members 9 (four in the illustrated example), as shown in FIGS. Fixed. As shown in FIG. 4 and FIG.
2, a channel holder 16 is attached via a horizontally connecting holder connecting pipe 15. The channel holder 16 holds the vertical member 9, and the channel holder 16 is fixed to the vertical member 9 by bolts 17 and nuts 18. Fix it. The bolt 17 has a bolt head engaged with the lip groove 9 c of the vertical member 9, similarly to the single tube band 14, so that the guide rod 12 can be attached to the vertical member 9 so that the vertical position can be adjusted. The bolt head of the bolt 17 has a substantially rectangular shape, and its rotation is restricted in the groove 9c with a lip, so that the bolt 17 is firmly locked. As shown in FIG. 1, a small-diameter pipe joint 19 is inserted and fixed to the upper end of the guide rod 12, and a unit length guide rod is added to form the guide rod 12 having a predetermined length. be able to.

The guide members 4 are arranged on a plurality of floors in the vertical direction as shown in FIG. 1, and are arranged corresponding to each vertical member 9 in the left and right direction as shown in FIG. , Which is detachably attached to the rising wall B, and the guide rod 12 is vertically movably clamped by the clamp guide 20 to guide and support the curing frame 3 so as to be vertically movable.

FIGS. 4 and 5 are a side view, a plan view, and a cross-sectional view showing the guide member 4. The guide member 4 includes a clamp guide 20 and a clamp guide which is attached across the upper portion of the rising wall B. And the mounting base 21. The mounting base 21 is a hanging part 2 on the building side.
1a is provided with a clamp fitting 22 and an outer hanging part 21 is provided.
The adjuster 23 is provided in b.

The clamp 22 is, as shown in FIG.
It comprises a clamp bolt 22a that is screwed horizontally to the hanging part 21a on the building side, and a clamp plate 22b that is rotatably attached to the tip of the bolt 22a. The adjuster 23 includes an adjuster member 23a that comes into contact with the outer surface of the rising wall B, and an adjustment bolt 23b that attaches the member 23a to the outer hanging portion 21b so as to be horizontally movable. The adjuster member 23a is horizontally moved by the bolt 23b. Thus, the horizontal position of the clamp guide 20 with respect to the rising wall B can be adjusted.

The mounting base 21 is hooked from above onto the upper portion of the rising wall B, and the clamp plate 22b is screwed in by pressing the clamp bolt 22a to press the inner surface of the rising wall B.
Firmly fixed to In addition, by adjuster 23,
The position of the clamp guide 20 can be adjusted by moving the clamp guide 20 forward and backward with respect to the guide rod 12.

As shown in FIGS. 4 and 5, the clamp guide 20 is provided with three guide wheels 24 at the distal end, and the angled grooves of the guide wheels 24 are provided at three corners of the guide rod 12 having a rectangular cross section. Guide rod 1
The guide 2 is supported so as to be able to move up and down so as not to come off. As shown in FIG. 5 (a), the center guide wheel 24 is rotatably mounted on the center end of the swing base 25, and a pair of left and right guide wheels 24 are disposed in the left and right sides of the swing base 25. The clamp guide arm 26 is rotatably mounted on the distal end.

As shown in FIGS. 4 and 5, the swing base 25 is mounted on the upper surface of the mounting base 21 by a rotating shaft bolt 27 and a pair of right and left swing guide screws 28, 28. As shown in FIG.
Can be horizontally rotated left and right around the center, and can cope with a horizontal displacement of the guide rod 12.
The bolt hole of the swing guide screw 28 is formed as an elongated hole as shown in FIG. 6B, and the swing base 25 is fixed to the mounting base 21 so as to be able to turn horizontally. Also, as shown in FIG. 6 (a), both sides of the mounting base 21 and the swing base 2
5 and a center stop spring 29 is arranged,
The swing base 25 is pressed so as to always be located at the center.

The pair of right and left clamp guide arms 26
As shown in FIG. 5, each is mounted on a swing base 25 so as to be openable and closable in a horizontal direction via a pin 30, and can be opened and closed by an arm adjusting screw 31 screwed to the base end. That is, a right-handed screw and a left-handed screw are formed at both ends of the arm adjusting screw 31, and the clamp guide arm 26 can be opened and closed by rotating one end of the screw 31. Thereby, the clamp guide 20 can be attached to the guide rod 12.

FIGS. 7 and 8 are a side view and a plan view showing the hoisting device 5. The hoisting device 5 includes a horizontally installed lever hoist 40 and a hoist mounted over the upper part of the rising wall B. It is composed of a mounting base 41. A clamp 42 composed of a clamp bolt 42a and a clamp plate 42b is provided on a hanging part 41a on the building side of the mounting base 41, and a guide roller 43 for converting the hoist chain 44 from horizontal to downward is provided on the outer hanging part 41b. Is provided.

On the other hand, as shown in FIGS. 7 and 8, a horizontal member 50 made of a channel material is horizontally mounted on the inner surface of the lower end portion of the curing frame 3 as shown in FIGS. The hanging metal fitting 51 is bolted, and a hanging bolt (eye bolt) 52 is vertically inserted through the hanging metal fitting 51, and the hook 45 of the hoist chain 44 is hooked on the head of the hanging bolt 52. Lever hoist 40
Is driven, the curing frame 3 is guided by the guide member 4 and the guide rod 12 and lifted. In addition, as shown in FIGS. 2 and 3, the lifting device 5 is disposed between the guide rods 12 as a pair of right and left.

As shown in FIGS. 4 and 5, the fall prevention rope 6 is a chain.
And the lower end of the chain 6 is connected to the lower part of the curing frame 3 to prevent the curing frame 3 from dropping. That is, as shown in FIG. 5, a support bracket 60 is provided on a side surface of the mounting base 21 of the clamp guide, and an adjust bolt 61 is screwed into the horizontal plate portion of the support bracket 60 so that the vertical position can be adjusted and fixed with a double nut 62. The upper end of the chain 6 is connected to a connection fitting 63 at the lower end of the adjustment bolt 61.

On the other hand, as shown in FIGS. 4 and 5 (a), a horizontal member 50 of a channel material is horizontally mounted on the inner surface of the lower end portion of the curing frame 3 as described above. Then, the lower end of the chain 6 is fixed to the lower support 64 by bolts. The lower support bracket 64 includes a U-shaped holding member 64a and a vertical plate 64b in a side view. The holding member 64a holds the cross member 50 and fixes it with bolts. It is attached to the material 9 and bolted. The chain 6 is inserted from the side into a notch formed in the upper flange of the holding member 64a, and is attached to the holding member 64a.
Are fitted and bolted to fix the chain 6 to the lower support bracket 64.

As shown in FIG. 1, the pulling rope 8 is
It is arranged on each floor to be externally cured, and the upper end is connected to the vertical member 9 via a fixing bracket. The lower end of the turnbuckle 7 is detachably connected to a floor fitting. Although not shown, a fall prevention net that covers a gap between the curing frame 3 and the rising wall B is attached to the inside of the curing frame 3.

The anti-scattering screen 1 having the above configuration
Are continuously arranged on the entire outer periphery of the building A, and as the construction progresses, the scattering prevention screen 1 is raised and the scattering prevention is performed by the following procedure (see FIGS. 9 and 10).

(1) As shown in FIG. 9 (i), when the floor on the first floor is constructed, the curing frame 3 having a length sufficiently covering the opening on the first floor is provided.
・ Assemble the guide rod 12 and stand up the first floor B
Is set via the guide member 4. Fall prevention rope 6
Is connected to the guide member 4 and the lower end is connected to the curing frame 3.
Connect to the bottom of In this state, concrete is cast on the second floor.

(2) As shown in FIG. 9 (ii), when the floor on the second floor is constructed, the guide member 4 is attached to the rising wall B, and the upper end of the fall prevention rope 6 is attached to the guide member 4. To prevent the curing frame 3 from falling. From this state, 1
The curing frame 3 (longitudinal member / horizontal member) for the floor height and the guide rod 12 are added to the upper part.

(3) As shown in FIG. 9 (iii), the shatterproof screen 1 which fully covers the openings on the first and second floors is assembled by this addition, and in this state, concrete is cast on the floor on the third floor. I do.

(4) As shown in FIG. 10 (i), the lifting device 5 is set on the rising wall B on the second floor, the guide member 4 is attached to the rising wall B on the third floor, and the lifting device 5 is operated. The curing frame 3 and the guide rod 12 are raised by the height of the first floor. Next, the upper end of the fall prevention rope 6 is connected to the guide member 4 on the third floor to prevent the curing frame 3 from falling. In this state, concrete is cast on the fourth floor. From this state, the curing frame 3 (longitudinal member / horizontal member) and the guide rod 12 for the first floor are added to the lower part.

(5) As shown in FIG. 10 (ii), when the floor on the fourth floor is constructed, the guide member 4 is attached to the rising wall B, and the lifting device 5 is set on the rising wall B on the third floor. Then, the curing frame 3 and the guide rod 12 are raised by the height of the first floor. In this state, concrete is cast on the fifth floor.

(6) As shown in FIG. 10 (iii), when the floor of the fifth floor is constructed, the curing frame 3 and the guide rod 12 are moved to the first floor by the lifting device 5 set on the rising wall B of the fourth floor. Raise by altitude. Thereafter, the scattering prevention screen 1 in the state shown in FIG. 10 (iii) rises by the height of one floor to drive the uppermost floor and prevent scattering.

Although the above description has been given of a concrete building, the present invention can be applied to a steel building. In this case, the guide member may be attached to the steel beam from above.

[0039]

Since the present invention has the above-described configuration, the following effects can be obtained.

(1) A curing frame body of a predetermined size is vertically supported and supported by a guide member and a guide rod, and the curing frame body is fixed by a fall-preventing cable having an upper end fixed to the guide member. When the external curing is performed and the uppermost floor is placed, the lifting device raises the floor by the height of the first floor, so that the external curing of the entire building can be performed with a simple and lightweight anti-scattering screen. As in the related art, it is not necessary to assemble or disassemble the scaffolding covering the entire building, and it is not necessary to use an enormous amount of material when the building is large. Therefore, it is possible to significantly reduce the construction period and cost.

(2) Since the guide rods provided on the inner surface of the curing frame are guided and supported by the clamp guides of the guide members attached to the rising walls of the floors, etc., the curing frame rises smoothly without using a crane. It can be easily lifted by a simple lifting device.

[Brief description of the drawings]

FIG. 1 is a side view showing an example of a scattering prevention screen of the present invention.

FIG. 2 is a front view of the scattering prevention screen of FIG. 1;

FIG. 3 is a plan view of the scattering prevention screen of FIG. 1;

FIG. 4 is a side view showing details of a guide member and a fall prevention member of the scattering prevention screen of the present invention.

5A is a plan view of FIG. 4, and FIG. 5B is a cross-sectional view of FIG.

FIGS. 6A and 6B show each member of the guide member of the present invention, wherein FIG. 6A is a cross-sectional view of the entire guide member, FIG. It is a top view of an arm.

FIGS. 7A and 7B show a lifting device of the anti-scattering screen according to the present invention, wherein FIG. 7A is an overall side view, and FIG.

FIG. 8 is a plan view of the lifting device of FIG. 7;

FIG. 9 is a side view showing an implementation state (No. 1) of the scattering prevention screen of the present invention in the order of steps.

FIG. 10 is a side view showing an implementation state (No. 2) of the scattering prevention screen of the present invention in the order of steps.

[Explanation of symbols]

A: Concrete building B: Standing wall 1: Shatterproof screen 2: Curing net or curing sheet 3: Curing frame 4: Guide member 5: Lifting device (winch, hoist) 6: Fall prevention Rope (chain, rope) 7 turnbuckle 8 pulling rope (chain, rope) 9 pulling rope (chain, rope) 9a flange, 9b web, 9c groove with lip,
9d: bolt hole 10: horizontal member (single pipe) 11: cross bracing 12: guide rod 13: joint plate 14: single pipe band 15: holder connecting pipe 16: channel holder 17 Bolt 18 Nut 19 Pipe joint 20 Clamp guide 21 Clamp guide mounting base 22 Clamp bracket 22a Clamp bolt 22b Clamp plate 23 Adjuster 23a Adjuster member 23b Adjustment bolt 24 … Guide wheel 25… Swing base 26… Clamp guide arm 27… Rotating shaft bolt 28… Swing guide screw 29… Center stop spring 30… Pin 31… Arm adjustment screw 40… Lever hoist 41… … Hoist mounting base 42… Clamp fitting 4 a ... Clamp bolt 42b ... Clamp plate 43 ... Guide roller 44 ... Hoist chain 45 ... Hook 50 ... Horizontal member 51 ... Hanging bracket 52 ... Hanging bolt 60 ... Support bracket 61 ... Adjusting bolt 62 ... Double nut 63 Connection bracket 64 Lower support bracket 64a Holding body 64b Vertical plate 65 Chain holding bracket

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E04G 21/32

Claims (5)

(57) [Claims] 1. A curing frame body on which a curing net is attached to an outer surface, and a guide member detachably attached to a rising wall or a steel beam on an outer wall of a building, for guiding and supporting the curing frame body in a vertically movable manner. A lifting device for lifting the curing frame, wherein the guide member is detachable from a rising wall or a steel beam.
Mounting base and the inner surface of the curing frame
Clamp the guide rod provided along the downward direction
It consists of a clamp guide that guides and supports the guide rod so that it can move up and down.
A pair of left and right guide wheels to be sandwiched, and the guide wheel at the tip
A pair of left and right that can be opened and closed in the horizontal direction that is rotatably mounted
The clamp guide arm and this pair of clamp arms
Can be opened and closed, and can be attached to the mounting base
It has a swing base that can be mounted horizontally
Shatterproof screen, characterized in that that. 2. The scattering prevention screen according to claim 1, wherein the guide member and the curing frame are connected by a rope for preventing fall. 3. The shatterproof screen according to claim 1, wherein the curing frame is formed by assembling vertical members and horizontal members in a lattice shape. 4. A clamp between the mounting base and the guide rod.
From a clamp guide that guides and supports
A clamp guide device, wherein the clamp guide comprises:
A pair of left and right guys that hold the guide rod so that it can move up and down
And the water on which the guide wheel is rotatably mounted at the tip
A pair of left and right clamp guide arms that can be opened and closed in the horizontal direction
And this pair of clamp arms are
And mounted on the mounting base so as to be able to turn horizontally from side to side.
It is characterized by having a swing base that can swing
Clamp guide device. 5. The clamp guide device according to claim 4,
To the base ends of the pair of left and right clamp guide arms.
The right and left screws of the
By rotating the arm adjustment screw of
Is configured to open and close the Pugaidoa arm, swing
Center each between the base and both sides of the mounting base
By arranging the stop spring, it turns horizontally left and right
Pressing possible swing base to center position
A clamp guide device characterized by being constituted.