JPH07233628A - Temporary stage - Google Patents

Abstract

PURPOSE:To selectively open or close a slab opening section during the construction of a building. CONSTITUTION:A pair of stage plates 17a, 17b mounted on support sections 15b and hinge-connected relatively rotatably by hinges 16 are provided at the void portion of a frame 15 formed into a frame shape to be supported by slabs 3 via hook sections 15a, and fasteners 19 formed with hooks 10a at the tips and coupling sections 20 are provided as half-opening means capable of hooking and holding the stage plates 17a, 17b in the perpendicular direction to each other. A slab opening section 3s is normally closed by the stage plates 17a, 17b arranged in the horizontal direction. One of the stage plates 17a, 17b is erected in the perpendicular direction to the other when necessary, a temporary stage such as a scaffold unit 14 is set to the half-opened state, and the slab opening section 3s is opened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary stage suitable for being applied to a slab opening formed by an elevator shaft or the like when constructing a building.

[0002]

2. Description of the Related Art Conventionally, at the time of building a building, in order to hoist construction materials and install an elevator later,
A shaft may be formed so as to communicate in the longitudinal direction, and an opening is provided in the slab on each floor for the shaft. However, if the slab openings for such shafts are left open on all floors, there is a risk of workers falling, and the work space on each floor will be reduced by the area of the slab openings. Therefore, when such a slab opening is unnecessary, a stage such as a scaffolding plate is temporarily installed in the slab opening on each floor to close the opening.

[0003]

However, when the slab opening is closed by such a stage, the lower side and the upper side of the stage are isolated from each other, and the building is constructed through the opening. It becomes impossible to perform lifting work such as exchanging cargo such as materials between the lower floor and the upper floor. Therefore, when it is necessary to exchange such loads, it is necessary to remove the stage scaffolding plate or the like temporarily provided in the slab opening, which is very complicated. Therefore, if there is a temporary stage that can easily open and close the slab opening as needed, it will ensure the safety of the worker and secure the working space, and also make the lifting work easy. Therefore, the efficiency of building construction work can be improved, and the development of such a temporary stage has been desired. Therefore, the present invention is
In view of the above circumstances, the slab opening can be selectively opened or closed as needed during construction of a building,
It provides a temporary stage.

[0004]

Means for Solving the Problems That is, the present invention has a stage plate (9) capable of closing the slab opening (3s) of a construct (1) via a locking means (7), (9) is composed of a pair of plate members (9a, 9b) arranged in the horizontal direction in a form of being connected by a hinge (10), and the pair of plate members (9a, 9b) are connected via the hinge (10). One is connected to the other so as to be relatively rotatable, and the half-open holding means (11, 11) is connected to the stage plate (9).
12b) is provided such that each of the pair of plate members (9a, 9b) can be locked and held in a direction perpendicular to each other. The present invention also provides a temporary stage (14) capable of closing the slab opening (3s) of the structure (1), wherein the temporary stage (14) is locked to the slab (3) of the structure (1). A frame body (15) that can be supported via means (15b), and a pair of plate members (17a, 17b) arranged in the horizontal direction in the form of being connected by a hinge (16) to the frame body (15). The pair of plate members (17a, 17b) are connected to each other via the hinge (16) so that the other is relatively rotatable with respect to the other, and the half-open holding means (19, 20) is A pair of plate materials (17a, 17
Each of b) is provided and configured so that it can be locked and held in a direction perpendicular to each other. Further, in the present invention, the temporary stage (14) is configured by providing the frame (15) with safety pole installation means (152). Alternatively,
In the present invention, the safety pole (2
The temporary stage (14) is constructed by vertically arranging 1). The numbers in parentheses () indicate the corresponding elements in the drawings for convenience, and therefore the present description is not limited to the description in the drawings. The same applies to the following action columns.

[0005]

With the above-described structure, according to the present invention, a pair of plate members (9) arranged in the horizontal direction so as to close the slab opening (3s) is formed.
a, 9b), (17a, 17b), one of the pair of plate members (9a, 9b), (17a) is rotated relative to the other through the hinges (10), (16). 1
7b) is set up so that one of them is oriented in a direction perpendicular to the other, and this state is locked and held via the half-open holding means (11, 12b), (19, 20). Acts like. Further, in the present invention, the safety pole (2) is installed on the frame body (15) by the safety pole installation means (92, 152).
It acts so as to install 1) at the edge of the slab opening (3s) in which the frame (15) is arranged. Further, in the present invention, the safety pole (2
By erecting 1), it acts to install the safety pole (21) at the edge of the slab opening (3s).

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a side view showing an example of a shaft of a construction in which an embodiment of a temporary stage according to the present invention is temporarily installed on each floor, FIG. 2 is a plan view taken along the line II of FIG. 1, and FIG. 1 is a perspective view of the temporary stage shown in FIG. 1, FIG. 4 is a sectional view of the temporary stage shown in FIG. 3 taken along the lines IV and IV, and FIG. 5 is a sectional side view of the temporary stage shown in FIG. FIG. 7 is a perspective view showing another embodiment of the temporary stage according to the present invention.

As shown in FIG. 1, a plurality of spaces 2 on each floor are vertically stacked in the building 1 under construction, and the spaces 2 adjacent to the top and bottom of the building 1,
Between the two, a slab 3 made of a concrete skeleton is placed and constructed. A shaft 5 is formed in the central portion of FIG. 1 of the building 1, and openings 3s are formed at matching positions of the slabs 3 on the respective floors such as the N + 1th floor, the Nth floor, and the N-1th floor. The shaft 5 is an opening space for installing an elevator or the like in the building 1 later, or a slab is installed later for hoisting materials or the like to the space 2 on each floor. It may be a temporary work space that is closed. A wall or the like has not yet been formed and constructed around the shaft 5, so that the shaft 5 communicates with the space 2 in the left-right direction in FIG. 1 on each floor.

As shown in FIG. 1, a scaffolding unit 6 as a temporary stage is tentatively installed in the opening 3s on each floor of the building 1 so as to straddle the space 2 and the shaft 5, and each scaffolding unit 6 is provided. The reference numeral 6 designates an opening 3s which can be closed by means of some beams 7 which are suspension means supported in a detachable manner at the end portion of the slab 3 forming the opening 3s. It has a stage 9 which is a stage plate. That is, as shown in FIG. 3, the openings 3s on the respective floors face each other in the slab 3 with the openings 3s sandwiched from the directions of arrows A and B in FIG. 3 (front side and back side in FIG. 1). At the position, four beams 7 made of shaped steel or the like are provided as locking means in the embodiment with four beams 7 each having both ends thereof mounted on the slab 3 so as to straddle the opening 3s. In the middle of the beam 7 of
A plate-shaped stage 9 formed to be slightly smaller than s and capable of unfolding and semi-opening is mounted so that its upper surface portion is flush with the floor surface 3a of the slab 3.

As shown in FIG. 3, the stage 9 is composed of a pair of stage plates 9a and 9b, each of which has a size approximately half the size of the opening 3s. 9b is the stage plate 9a, 9b
By the hinge or hinge 10 provided at the connection part of
One is relatively rotatable with respect to the other in the directions of arrows E and F in FIG. 3, and is expandable and foldable with respect to each other. Depending on the unfolding and folding operation of the stage plates 9a and 9b, that is, the relative rotating operation, the stage 9 is in the unfolded state as shown by the solid line in FIG. 3 (as shown in FIG. 4) or as shown by the one-dot chain line in FIG. In addition, it is possible to selectively show whether or not it is in the half open state (as shown in FIG. 5).

As shown in FIG. 3, grooves 91 are formed in the vicinity of both ends of the stage 9 in the directions of arrows A and B along the directions of arrows C and D so as to extend over the stage plates 9a and 9b, respectively. And each groove 91 has a rod-shaped fastener 11
However, one end of the fastener 11 on the arrow D direction side is used as a fixed end, and the end of the arrow D in the groove 91 (that is, the stage plate 9).
a), and the other end shown on the arrow C direction side is
The stage plates 9a and 9b are housed so that they can swing in the directions of arrows E and F, which are the directions of rotation. Further, in each groove 91, as shown in FIG. 4 or 5, engaging portions 12a,
12b are formed as a part of one of the stage plates 9b, respectively, and the hook 11a is provided on the free end side of the fastener 11 shown in the direction of arrow C in the groove 91 in which the fastener 11 is housed. It is provided in such a manner that it can be engaged with either the engaging portion 12a for deployment or the engaging portion 12b for half-opening.

The fastener 11 provided on the stage 9 is so shaped as to completely fit in the groove 91 when the hook 11a is engaged with the engaging portion 12a for deployment. When the hook 11a is engaged with the half-opening engaging portion 12b, the fastener 11 has a pair of stage plates 9a and 9b in a direction perpendicular to each other, as shown by a dashed line in FIG. It is shaped so that it can be locked and held on. As a result, the fastener 11 and the engaging portion 12b for half-opening form a half-open holding means in the scaffolding unit 6 which is a temporary stage.

Further, as shown in FIG. 3, the portions located at the four corners of the stage 9 are formed slightly shallower than the thickness of the stage plates 9a and 9b (that is, the stage plate 9a, 9b).
Holes 92 (which do not penetrate through 9b) are formed in the stage plates 9a and 9b, respectively, so that the safety pole 13 can be freely inserted into each hole 92, as shown by the one-dot chain line in FIG. Has become. Furthermore, as shown in FIG. 3, at the positions of the stage plates 9a and 9b located near both side ends of the stage 9 in the directions of arrows C and D, respectively, a handle 93 is provided with an arrow of the stage plates 9a and 9b. The handle 93 is provided so as to be able to pull the end portion in the C or D direction, and when the handle 93 does not need to be used,
It is stored below the surface of the stage 9 and can be pulled out only when it is used.

Since the shaft 5 of the structure 1 and the scaffolding unit 6 which is a temporary stage have the above-mentioned structure, when the shaft 5 is not used for material transportation or the like,
As shown in FIG. 4, the scaffolding units 6 on all floors are in a state in which the stage 9 is deployed (stage plates 9a and 9b are aligned in the horizontal direction). At this time, each fastener 11
The hook 11a is engaged and fitted to the engaging portion 12a for deployment. Then, the opening 3s formed in the slab 3 on each floor is closed by the stage plates 9a and 9b of the stage 9 in the expanded state, as shown in FIG. This prevents a worker working in the space 2 on each floor from falling on the slab 3 into the shaft 5.
Further, since the space on the stage 9 formed by the stages 9a and 9b is in communication with the space 2 on each floor, the space on the stage 9 can be effectively used as a working space. Therefore, the opening 3s forming the shaft 5 of the structure 1 is safely subjected to opening curing by the deployed scaffolding unit 6, and at the same time, the space on the scaffolding unit 6 temporarily installed in the opening 3s is worked. It can be used as a space.

On the other hand, when it becomes necessary to convey building materials or the like from the lower-floor space 2 to the upper-floor space 2 during construction of the building 1, the stage 9 of the scaffolding unit 6 is shown in FIG. 5 as necessary. Half open (that is, the stage plates 9a and 9b are locked and held in a direction at a relatively right angle),
The opening 3s is opened. For this, the fastener 1 that has been engaged and fitted to the engaging portion 12a for deployment at the time of stage deployment
Remove the hook 11a of 1. Then, by pulling the handle 93 on the side of the stage plate 9a or 9b which is about to be opened, the stage plate 9a or 9b is relatively rotated via the hinge 10, and the other stage plate 9b is rotated. Alternatively, it is folded so as to face in a direction perpendicular to 9a. (In the example shown in FIG. 5, the handle 93 on the stage plate 9b side is pulled in the direction of arrow E from the state shown in FIG. 4.)
Then, the fastener 11 is engaged and fitted to the engaging portion 12b for half-opening as shown in FIG. Then, the stage plate 9
The stages 9a and 9b are locked and held in a direction perpendicular to each other, and the stage 9 is in a half-open state. By the stage 9 thus in the half-opened state, the carrying path 5a is formed on the shaft 5 in a form in which the shafts 5 and 5 located above and below the opening 3s in the open state communicate with each other, as shown in FIG. Therefore, the beam 7 that does not need to support the stage plate 9a or 9b is removed from the opening 3s as appropriate.

In this way, when the stage 9 is in the half-opened state, it is not necessary to remove the entire scaffolding unit 6 from the opening 3s, and the lower floor and the upper floor of the shaft 5 are connected to each other so that the carrying path 5a can be simplified. Can be formed into Then, since the shaft 5 and the space 2 communicate with each other in the horizontal direction on each floor, using the carrying path 5a, as shown in FIG. 1, from the space 2 on the N-1 floor to the space on the N-1 floor. It is possible to easily unload materials and the like in the space 2 on the upper floor N floor or N + 1 floor. Since the stage 9 of the scaffolding unit 6 can be opened on either side of the stage plates 9a and 9b, the stage plate 9a or 9b of each floor is opened so that the matching portion of the opening 3s of each floor is opened.
When opened with respect to another stage plate 9a or 9b, the shaft 5 is opened in a vertically penetrating manner, and lifting by a crane or the like is also possible.

When half of the opening 3s is left open by half-opening the stage 9 described above, the opening 3s can be opened by an appropriate fall prevention fence, handrail, enclosure, or the like.
However, when the scaffolding unit 6 is used, the stage plate 9a or 9b held in the half-open state by the fastener 11 becomes a wall shape, and at this time, the stage plate is in a horizontal state. In the corner of 9a or 9b,
Since the hole 92 for inserting the safety pole 13 is provided, the wall-shaped stage plates 9a and 9b or the hole 9 is formed.
By using the safety pole 13 inserted in 2, it is possible to hang ropes for danger indication, etc.
Safety curing of the opening 3s can be performed more easily.

As described above, according to the present invention, each stage 3s of the slab 3 forming the shaft 5 is selectively opened as needed by the expansion or half-opening of the stage 9 during the construction of the construct 1. Or because it can be closed, the opening 3s
The safety of the worker is ensured by the blockage of the scaffolding, the working space is secured, and when necessary, the scaffolding unit 6 does not have to be removed from the opening 3s, and the opening 3s is opened to remove the material and the like. You can easily lift from the lower floor to the upper floor. Therefore, the construction work of the construction 1 can always be efficiently progressed.

In the above-mentioned embodiment, the example of the scaffolding unit 6 in which the opening 3s of the slab 3 can be directly closed only by the stage 9 has been described. However, as shown in FIG. 6, the temporary stage according to the present invention only needs to be able to close the opening 3s of the slab 3, so that the temporary stage can be slab 3 via locking means such as the locking portion 15a. The scaffolding unit 14 may have a frame 15 that is a frame that can be supported with respect to the scaffolding unit 14. That is, as shown in FIG. 6, the frame 15 has a frame shape along the edge of the opening 3s.
Locking portions 15a are provided at several places on the upper portion of the slab 5 so as to be projected on the floor surface 3a of the slab 3, and the frame 15 is supported by the slab 3 by the locking portions 15a. It has a shape. As shown in FIG. 6, the frame 15 is provided with four pole accommodating portions 152 as safety pole installation means in a groove shape at four positions in the embodiment, and each of the pole accommodating portions 152 is formed. The safety pole 21 is housed in the frame so that it can be raised in the direction of the arrow G, so that the frame 15 is provided with the safety pole 21 so as to be erected.

Further, as shown in FIG. 6, the frame 15 is provided with a plurality of supporting portions 15b which are positioned below the engaging portions 15a and slightly project toward the hollow portion of the frame 15. In the hollow portion of the frame 15, the stage plates 17a and 17b are mounted and supported by the supporting portions 15b, and the stage plates 17a and 17b are connected in the horizontal direction in the form of being connected by hinges or hinges 16. It is provided as a pair of plate materials arranged in line. A pair of such stage plates 17
The a and 17b are connected to each other via the hinge 16 in such a manner that the other is relatively rotatable in the directions of arrows E'and F'in FIG. 6, that is, the development as shown by the solid line in FIG. Both the state and the half-open state shown by the alternate long and short dash line in FIG. 6 can be exhibited. And the scaffolding unit 14
In the same manner as the fastener 11 of the scaffolding unit 6 described above and shown in FIG. 3, the fastener 19 having the hook 19a formed at its tip is housed in the groove 151 formed in the frame 15. The other end side of the hook 19a is pivotally attached and the fastener 19 is stored in the groove 151, and the free end side of the fastener 19 is in the relative rotation direction of the stage plates 17a and 17b. It is possible to freely rotate in the directions corresponding to the arrow E'and F'directions. Further, the free end side of the fastener 19 is allowed to move slightly in a direction intersecting with the directions of arrows E ′ and F ′, which are the rotating directions of the stage plates 17a and 17b (ie, the directions I and J in FIG. 6). It is in the shape of. On the other hand, at two places on the stage plates 17a and 17b, engaging portions 20 that can be engaged with the hooks 19a are formed and arranged so as to be punched from the surfaces of the stage plates 17a and 17b. 19 and the engaging portion 20 form a half-open holding means in the scaffolding unit 14 in a form capable of locking and holding each of the pair of stage plates 17a and 17b in a direction perpendicular to each other.

Since the scaffolding unit 14 is constructed as described above, the stage plates 17a and 17b are mounted on the supporting portion 15b of the frame 15 in a form of being arranged side by side in the horizontal direction as shown by the solid line in FIG. The slab opening 3s is supported and is in a deployed state, and in this state, the slab opening 3s is closed. Therefore, the space on the stage plates 17a and 17b can be used safely and effectively as a work space, as in the case of the scaffolding unit 6 described above. In addition, one stage plate 17a or 17b is connected to the other stage plate 17a or 17b.
6 relative to b through the hinge 16 in the direction of the arrow E ′ or F ′ of FIG. 6, as shown by the alternate long and short dash line in FIG. A half-open state can be exhibited in the vertical direction. Therefore, in the half open state, the groove 151 of the frame 15
The fasteners 19 housed therein are raised in the direction of the arrow E ′, and the free ends of the fasteners 19 are slightly swung to the stage plate 17a or 17b side to engage the hooks 19a with the engaging portions 20. . Then, the stage plates 17a, 17
b is locked and held in a half-open state in a form perpendicular to each other. As a result, a substantially half portion of the opening 3s is opened, and the shafts 5 located above and below the scaffolding unit 14 in the half-open state communicate with each other. Therefore, by using the opened opening 3s, it becomes possible to exchange materials and the like between the lower layer and the upper layer of the slab 3 provided with the scaffolding unit 14.

As described above, the scaffolding unit 14 can freely close or open the opening 3s by unfolding or half-opening the stage plates 17a and 17b. It is possible to perform the safety curing of the part 3s very reliably. That is, as described above, even if either the stage plate 17a or 17b is lifted to bring the scaffolding unit 14 into the half-opened state and almost half of the opening 3s is opened, the frame 1 is not attached to the edge of the opening 3s.
5 remains in the shape of a frame. Therefore, the opening 3s
The pole housing portion 15 of the frame 15 remaining on the edge of the
Each of the safety poles 21 accommodated in 2 is raised from the pole accommodating portion 152 in the arrow G direction. Then, the safety poles 21 are erected at the four corners of the opening 3s as shown by the alternate long and short dash line in FIG. At this time, either the stage plate 17a or 17b is replaced by the other stage plate 1
By being perpendicular to 7a or 17b, a wall-like standing state is exhibited. Therefore, 4 of the opening 3s
By using the safety poles 21 at the corners and suspending the ropes 22 and the like as shown by the alternate long and short dash line in FIG.
With a or 17b and the rope 22, it is possible to reliably prevent an operator or the like from entering the open portion 3s.

In the embodiment described above and shown in FIG. 6, the safety pole 2 is installed in the pole accommodating portion 152 of the frame 15.
1 has been described as an example in which it is preliminarily accommodated in a freely rising position. However, as in the case of the scaffolding unit 6 described above, the safety pole 21 can be detachably mounted on the frame 15. Alternatively, only the safety pole installation means may be provided. Further, in the temporary stage such as the scaffolding units 6 and 14, provision of safety pole installation means such as the safety pole 21 or the pole accommodating portion 152 is optional. Further, the arrangement position and the form thereof are also arbitrary. That is, in the embodiment, an example in which there is no wall around the shaft 5 has been described, but the present invention can be applied to the opening 3s in which walls are already formed on three sides around the shaft 5. However, in this case, the position where the fall prevention measures should be taken is naturally limited, so it is sufficient to install ropes, fences, etc. only in the necessary places. Further, in the embodiment, the scaffolding unit 6 in which the locking means is the beam 7 and the locking means is the locking portion 1
Although the example of the scaffolding unit 14 which is 5a has been described, the configuration of the locking means is arbitrary, and the scaffolding units 6, 1
It may be integrated with a temporary stage such as 4 or a separate stage.

Since the scaffolding unit 6 shown in FIG. 3 is constructed so that the opening 3s is directly closed by the stage 9, the fastener 11 as the half-open holding means and the engaging portion 1 are provided.
2 is provided on the stage 9, but in the scaffolding unit 14 shown in FIG. 6, the half-open holding means such as the fastener 19 and the engaging portion 20 is a frame body such as the frame 15 or the stage plates 17a and 17b. It may be provided on any of these plate materials. Further, the structure of such a half-open holding means is not limited to the method of engaging the hooks 11a and 19a provided at the tips of the fasteners 11 and 19 with the engaging portions 12 and 20, as described in the embodiment. None, the stage board 9
The configuration is arbitrary as long as each of the pair of plate members such as a, 9b, 17a, and 17b can be locked and held in the direction perpendicular to each other. For example, a method in which an engaging member provided on a pair of plate members is engaged with an engaged member provided on the other plate member, or an end portion of one plate member with respect to the other plate member using a wire or the like. It is also possible to use a half-open holding means or the like by a pulling method or a driving method such that one plate member can be held at an arbitrary angle with respect to the other plate member by using a drive source such as hydraulic pressure. Absent.

[0024]

As described above, according to the present invention,
A slab opening such as the opening 3s of the structure 1 is provided with a stage plate such as a stage 9 that can be closed through a locking means such as a beam 7, and the stage plate is connected by a hinge such as a hinge 10. A pair of stage plates 9 arranged horizontally in
a pair of plate members such as a and 9b are connected to each other through the hinge in such a manner that the other member is relatively rotatable with respect to the other member. Since the half-open holding means such as the engaging portion 12b is provided so as to be able to lock and hold each of the pair of plate members in the direction perpendicular to each other, the slab openings are arranged horizontally so as to be closed. A shape in which one of the pair of plate members is rotated relative to the other through a hinge so that one of the pair of plate members is oriented in a direction perpendicular to the other. Then, this state can be locked and held via the half-open holding means. Therefore, if the temporary stage according to the present invention such as the scaffolding unit 6 is temporarily installed in the slab opening through the locking means and the pair of plate members are arranged in the horizontal direction at this time, the stage formed by the pair of plate members is set. The plate allows the slab opening to be safely closed. Further, in this state, the space on the stage plate can be effectively used as a work space. Further, by using the relative rotational movement of the pair of plate members and the half-open holding means, one of the pair of plate members is erected in a direction perpendicular to the other, and this state is locked and held. Is in a half-opened state, and it is possible to open approximately half of the slab opening that was closed by one of the pair of plate materials until then. This allows the lower and upper floors of the temporary stage to communicate with each other, so that materials for building construction can be lifted from the lower floor of the semi-open temporary stage to the upper floor. Transport work is also possible. That is, according to the present invention, it is possible to easily open or close the slab opening selectively as needed without temporarily installing or removing the entire temporary stage. It is possible to exchange the load through the slab opening while ensuring the safety of the building and ensuring the working space, which improves the efficiency of the building construction work.
Since the stage plate that closes the slab opening is made up of a pair of plate materials, it is possible to open almost half the size of the slab opening only by making it half-open as described above. It is possible to exchange large loads.

Further, according to the present invention, in the temporary stage such as the scaffolding unit 14 capable of closing the slab opening 3s of the structure 1, the temporary stage is provided with the engaging portion 15a and the like with respect to the slab 3 of the structure 1. It has a frame body such as a frame 15 which can be supported via locking means, and a pair of plate materials such as a pair of stage plates 17a and 17b arranged in the horizontal direction connected to the frame body by a hinge such as a hinge 16. The pair of plate members are connected to each other via the hinge in such a manner that the other member is relatively rotatable with respect to the other member.
Since the half-open holding means such as is provided so as to be able to lock and hold each of the pair of plate members in a direction perpendicular to each other, as in the case of the temporary stage such as the scaffolding unit 6 described above, In a normal state, it is possible to easily open or close the slab opening selectively as necessary by using the relative rotational movement of the pair of plate members arranged in the horizontal direction and the half-open holding means. Therefore, similarly to the above-mentioned temporary stage, it is possible to exchange the load through the slab opening while ensuring the safety of the worker and securing the work space, thereby improving the efficiency of the building construction work. In addition, when the temporary stage is in the half-opened state, the frame body is slab 3 via the locking means.
Since it is possible to do this by rotating one of the pair of plate members with respect to the other without moving the frame body supported by the locking means while still being supported by The rotating operation can be performed more quickly and stably.

Further, in the present invention, the frame 1
Holes such as holes 92 in the frame of 5 etc. Pole storage part 15
When the safety pole installation means such as 2 is provided to configure the temporary stage such as the scaffolding unit 14, the safety pole 21 is installed on the frame body by the safety pole installation means. It can be easily installed at the edge of the slab opening where is placed. Then, as described above, the temporary stage having the frame body remains in the state in which the frame body is supported by the slab 3 through the locking means even when the temporary stage is in the half-opened state. As a result, the safety pole 21 installed by using the safety pole installation means of the frame body, even when the temporary stage is in the half-open state,
It can be located at the edge of the slab opening. Therefore, if a rope or the like is suspended around the slab opening using the safety pole 21, as described above, the temporary stage is left in a half-open state for exchanging loads and the like. It is possible to safely open and cure the slab opening in the open state even while opening approximately half of the above.

Further, in the present invention, a safety pole 21 is provided on the frame body such as the frame 15 so as to be erected upright.
When a temporary stage such as the scaffolding unit 14 is configured,
By erecting the safety pole 21 provided on the frame, the safety pole 21 can be easily installed at the edge of the slab opening. Therefore, as described above, when it is necessary to suspend a rope or the like around the slab opening in order to cure the opening of the slab opening, the safety pole 21 provided on the frame body is simply erected. It is very convenient because the supporting member of the rope can be installed at the edge of the slab opening.

[Brief description of drawings]

FIG. 1 is a side view showing an example of a shaft of a structure in which an embodiment of a temporary stage according to the present invention is temporarily installed on each floor.

FIG. 2 is a plan view taken along the line II of FIG.

FIG. 3 is a perspective view showing a temporary stage shown in FIG.

4 is a side view of the temporary stage shown in FIG. 3, taken along line IV and IV.

5 is a cross-sectional side view showing a half-opened state of the temporary stage shown in FIG.

FIG. 6 is a perspective view showing another embodiment of the temporary stage according to the present invention.

[Explanation of symbols]

 1 ... Structure 3 ... Slab 3s ... Slab opening (opening) 6 ... Temporary stage (scaffolding unit) 7 ... Locking means (beam) 9 ... Stage plate (stage) 9a, 9b ... Pair Plate material (a pair of stage plates) 10 ... Hinge (hinge) 11 ... Half-open holding means (fastener) 12b ... Half-open holding means (engaging portion) 14 ... Temporary stage (scaffolding unit) 15 ... Frame body (Frame) 15a ... Locking means (locking section) 16 ... Hinge (hinge) 17a, 17b ... Pair of plate materials (pair of stage plates) 152 ... Safety pole setting means (pole storage section) 21 ... Safety Pole

Claims (4)

[Claims] 1. A stage plate capable of closing an opening of a slab of a structure through a locking means, said stage plate being composed of a pair of plate materials arranged in a horizontal direction so as to be connected by a hinge. The pair of plates is
One side is connected to the other side via the hinge so as to be relatively rotatable, and the half-open holding means is locked to the stage plate in a direction perpendicular to each other of the pair of plate materials. A temporary stage that is provided and configured to be held. 2. A temporary stage capable of closing an opening of a slab of a structure, wherein the temporary stage has a frame body that can be supported with respect to the slab of the structure via locking means, and the frame body has a hinge. A pair of plate members arranged in the horizontal direction in the form of being connected by means of the hinges, and the pair of plate members is connected via the hinge in such a manner that the other is relatively rotatable with respect to the other, and the half-open holding means is A temporary stage configured by providing each of the pair of plate members in such a manner that they can be locked and held in a direction perpendicular to each other. 3. The temporary stage according to claim 2, wherein the frame is provided with a safety pole installation means. 4. The temporary stage according to claim 2, wherein a safety pole is provided on the frame body so as to be able to stand upright.