JPH0552103U - Forming device for production of riser weir plate - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a formwork device capable of efficiently manufacturing an embedded riser weir plate capable of shortening the period of finishing work of stairs. [Structure] A formwork device for manufacturing a riser board for stair construction, the formwork device comprising a base frame (1) and side frame plates (20) detachably attached to the base frame (1). It has and. Base frame (1)
Has a rectangular bottom plate (10), and on both short sides of the bottom plate (10) side frames (12) having a height approximately corresponding to the thickness of the riser weir plate to be manufactured.
(13) is erected. On one of the long sides of the bottom plate (10), a side frame (11) continuous with the side frames (12) and (13) on the short side is erected.
The side frame plate (20) is attached to the other long side of the base frame (1) via a fastener such as a fastener (18). Side frame plate (2
0) or at least one of the long side side frames (11) is provided so that the upper side is inclined inward.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a formwork device for manufacturing a riser weir plate that can shorten the period for finishing stairs.

[0002]

[Prior art]

 For example, concrete stairs in building construction need to be constructed early so that they can be used as a passage for carrying various materials to the upper floors. If this stairway construction is delayed, it will interfere with the construction plan, so prompt construction is required. The conventional construction method is generally performed in the following procedure. Support the slab panel and incline the construction. Assemble the sidewall formwork on the side of the slab panel. Reinforcing bars are constructed in steps on the slab panel. On each front side of the bar arrangement, a wooden weir board is installed by hanging it over the side wall formwork. In order to prevent deformation of the riser weir board due to the weight of the cast concrete, the area around the center of the riser board should be reinforced with end timbers and caul plates. Concrete is placed inside the side wall form and behind the riser weir plate, and the trowel is used so that the height of the concrete surface behind the riser plate is flush with the top surface of the riser plate. To finish. After the curing period, remove the side wall form and riser weir plate. With this construction method, it takes time to reinforce the riser weir plate, and it is necessary to remove the riser weir plate and then apply mortar to the tread and riser surface to finish it. was there.

The present inventor has developed a riser weir plate that can solve these problems. FIG. 5 is an explanatory diagram showing a riser weir board and a method of constructing the riser board. The riser weir board 5 is made of concrete and is a rectangular plate-like body having a required thickness. The surface 50 of the riser weir plate 5 is finished so as to be a riser surface as it is, and a flowing water groove 59 is provided at one end over the entire length in the height direction. The back surface 51 of the riser weir plate 5 is provided with combs (not visible in the figure) having a large number of irregularities over the entire surface. The combs are for increasing the adhesion area by increasing the adhesion area with the cast concrete. Further, the back surface 51 is provided with a numbering wire 54 which is an attachment at three places. The upper side 55 and the lower side 56 of the riser weir plate 5 are formed so that the entire surface is inclined at a required angle so as to narrow toward the back surface 51 side. Thus, when the riser weir plate 5 is installed on the surface 50 side at a desired angle, the upper side 55 is made horizontal to facilitate the work. Further, since the riser weir plate 5 is symmetrical, the lower side 56 side may be the upper side when the running water groove 59 of the stairs is constructed on the opposite side. The construction method of the riser weir plate 5 is as follows. The slab panel 3 is supported by a supporting member (not shown) and is installed at a required angle. On both sides of the slab panel 3, the side wall form 4 including the inner frame 41 and the outer frame 42 is constructed. (The side wall form 4 on the front side is omitted in FIG. 5) On the slab panel 3, a bar arrangement 8 corresponding to the shape of the stairs is provided. In the inner frames 41 on both sides, the support device 2 is fixed at a position corresponding to the front of the vertical streaks 80 of each step in the bar arrangement 8. As shown in the figure, each supporting device 2 is attached so as to be inclined slightly forward. The riser weir plate 5 is placed on the support plates 28 of the support devices 2 on both sides and bridged, and the riser weir plate 5 is brought into contact with the plate piece 22 so as to be inclined forward at a required angle, and is provided on the back surface 51. The numbered line 54 that is marked is bound to the bar arrangement 8. At this time, the upper side 55 of the riser weir plate 5 is horizontal. The height of each riser dam 5 is adjusted as appropriate by turning the adjustment bolt 26 of the support device 2 to move the support plate 28 up and down. Concrete is placed on the back side of the side wall form 4 and each riser weir plate 5, and the tread surface 6 is finished flush with the upper side 55 of the riser weir plate 5. After curing for a certain period of time, a finishing surface is constructed on the tread 6 with mortar. At this time, a running water groove that is continuous with the running water groove 59 of the riser weir plate 5 is constructed. The other side wall form 4, slab panel 3 and the like are removed with the riser weir plate 5 being buried. At this time, in the supporting device 2, the adjusting bolt 26 is rotated to remove the supporting plate 28 in a buried state, and the remaining hole is closed with mortar. In this way, in this construction method, since the surface 10 of the riser weir plate 5 becomes the riser surface as it is, the labor of finishing is reduced, and since the reinforcement work of the riser weir plate 5 is unnecessary, the construction can be performed quickly. The present invention is a formwork device for manufacturing a riser weirboard that can efficiently produce the riser weirboard 5 described above.

[0004]

[Configuration of the present invention]

 The structure of the present invention is as follows. A formwork device for producing a riser for a staircase construction, the formwork device comprising: a base frame; and a side frame plate removably attached to the base frame; It has a rectangular bottom plate, and on both short sides of this bottom plate, side frames with a height approximately corresponding to the thickness of the riser plate to be manufactured are erected. A side frame continuous with the side frame on the side is erected, and the side frame plate is attached to the other long side of the base frame via a fixture, and the side frame plate at the time of attachment Alternatively, at least one of the side frames on the long side is a formwork device in which the upper side is inclined inward.

[0005]

【Example】

 The present invention will be described in more detail based on the embodiments shown in the drawings. FIG. 1 is an exploded perspective view showing an embodiment of the formwork apparatus. Reference numeral A is a formwork device, which includes a base frame 1 formed of an iron plate. The base frame 1 has a rectangular bottom plate 10. A side frame 11 is erected on one long side of the bottom plate 10. The upper side of the side frame 11 is slightly inclined inward (see FIG. 3). On both short sides of the bottom plate 10, side frames 12 and 13 having the same height as that of the side frame 11 are vertically provided so as to be continuous with the side frame 11. Further, by this, the long side without the side frame is the side frame plate mounting portion 11a. On the rear surface side of the bottom plate 10, leg plates 14 and 15 having an L-shaped cross section are provided near both ends in the width direction over the entire length in the length direction. The leg plate 14 on the side of the side frame plate mounting portion 11a is provided with an attachment bolt 16 and a fixing nut 17 which are fixtures. The attachment bolts 16 are horizontally provided at three locations toward the outside, and the lock nut 17 is fixed to an intermediate portion thereof. A side frame plate 20 having the same length as the bottom plate 10 is attached to the side frame plate mounting portion 11a so as to close the side frame plate mounting portion 11a. The side frame plate 20 is made of an iron plate, has a bottom piece 20a and a side piece 20b, and is formed to have an L-shaped cross section in which the bending angle is slightly acute rather than a right angle. As shown in FIG. 3, in the side frame plate 20, the upper surface of the bottom piece 20a is in contact with the lower surface of the bottom plate 10, and the lower surface of the bottom piece 20a is in contact with the upper portion of the lock nut 17, and is pressed by the tightening tool 18. And installed.

The fastener 18 is a plate piece bent from the middle to the side of the bottom plate 10 in a slightly “” shape, and an insertion hole 180 having a diameter slightly larger than that of the attachment bolt 16 is provided near one end thereof. It is provided. The fastener 18 is mounted by inserting the attachment bolt 16 into the insertion hole 180, and the side frame plate 20 is fixed by tightening with a tightening nut 19. At this time, the front surface of the fastener 18 comes into close contact with the rear surface of the side piece 20b inclined inward of the side frame plate 20. Reference numeral 30 is a mold plate for forming a flowing water groove portion on one end side of the surface of the riser weir plate 5 manufactured by the formwork apparatus A. When the flowing water groove portion is provided on both end sides, it is arranged on the left and right sides. It Further, when a magnet is provided on the back surface of the template 30, it does not move because it is magnetically attached to the bottom plate 10, so that the movement of the template 30 need not be taken into consideration when manufacturing the riser dam 5. FIG. 2 is a perspective view of an essential part showing another embodiment of the formwork apparatus. In this embodiment, a spacer tool 6 mounted on one end side of the bottom plate 10 of the base frame 1 is provided. The spacer tool 6 includes a spacer frame 60 and a required number of spacer plates 64. The spacer frame 60 has a bottom plate 61. An end plate 61a, which is at the same height as the side frame 11 when mounted, is erected on one end side in the length direction of the bottom plate 61, and a U-shaped handle 63 is provided at the center of the bottom plate 61. The spacer frame 60 and the spacer plate 64 are formed to have substantially the same width as the bottom plate 10, and are set so as not to protrude from the edge of the side frame plate mounting portion 11a of the bottom plate 10 of the base frame 1. A frame 62 having the same height as that of the end plate 61 is fixed to the outer surface of the end plate 61, and a square metal tubular adjustment member 65 is arranged on the outside thereof as required. .. According to this structure, when manufacturing several types of riser weir plates 5 having different lateral lengths, it is not necessary to prepare formwork devices A having different lengths, and only one formwork device A is used. There are advantages.

(Operation) FIG. 3 is a cross-sectional view showing a use state, and FIG. 4 is an explanatory view showing a curing method when manufacturing a riser weir plate. The operation of this embodiment will be described with reference to FIGS. First, the frame apparatus A is assembled as described in the above embodiment, and the frame plate 30 is installed on one end side of the bottom plate 10. Next, concrete is poured into a portion surrounded by the bottom plate 10, the side frames 11, 12, 13 and the side frame plate 20 until it is full. Then, the metal lath 53 for reinforcement is placed on the concrete and lightly vibrated by the vibrator to sink it to the depth shown in FIG. The metal lath 53 is formed to be slightly smaller than the size of the bottom plate 10. On one end side in the width direction of the metal lath 53, numbered wires 54 of arbitrary length are attached at three equal intervals extending from the back surface 51. The number line 54 is for supporting the riser weir plate 5 so as not to fall when it is installed. In addition, the back surface 51 of the riser weir plate 5 is provided with an uneven portion 52 having combs or brooms almost all over the surface. When the curing is completed, the tightening nut 19 is loosened, the side frame plate 20 is removed, and the riser weir plate 5 is removed from the formwork apparatus A. As a result, the riser weir plate 5 having the running water groove 59 (see FIG. 5) at one end of the surface 50 can be manufactured. Further, at this time, when the tightening nut 19 is loosened, the tightening tool 18 pivots downward about the attachment bolt 16, so that the side frame plate 20 of the side frame plate 20 remains attached to the mounting bolt 16. Easy to remove. Further, with this structure, the tightening tool 18 and the tightening nut 19 can be prevented from being lost. During the curing period, several sheets are stacked vertically and horizontally on the pallet P via the spacer 7 as shown in FIG. According to this, a large installation space is not required, and the forklift can efficiently and easily move within the factory. The present invention is not limited to the illustrated embodiment, but various modifications can be made within the scope of the claims for utility model registration.

[0008]

[Effect of the device]

 The formwork device of the present invention comprises a base frame and side frame plates removably attached to the base frame, and the base frame has a rectangular bottom plate, and is manufactured on both short sides of the bottom plate. A side frame with a height approximately corresponding to the thickness of the riser is installed upright, and one side on the long side is installed upright with a side frame continuous with the side frame on the short side. The plate is attached to the other long side of the base frame via a fixing tool, and at least one of the side frame plate and the side frame on the long side at the time of mounting is provided so as to be inclined inward. Therefore, it is possible to efficiently manufacture a riser weir plate that can shorten the construction period of stair finishing work.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a formwork apparatus.

FIG. 2 is a main part perspective view showing another embodiment of the formwork apparatus.

FIG. 3 is a cross-sectional view showing a usage state.

FIG. 4 is an explanatory diagram showing a curing method when manufacturing a riser weir plate.

FIG. 5 is an explanatory view showing a riser weir plate and a construction method thereof.

[Explanation of symbols]

 A Formwork device 1 Base frame 20 Side frame plate 10 Bottom plate 11, 12, 13 Side frame 16 Attachment bolt 17 Lock nut 18 Fastening tool 19 Tightening nut

Claims (1)

[Scope of utility model registration request] 1. A formwork device for manufacturing a riser for a staircase construction, comprising: a base frame (1); and a side frame detachably mounted on the base frame (1). The base frame (1) has a rectangular bottom plate (10).
On both short sides of (0), side frames (12) (13) having a height approximately corresponding to the thickness of the riser weir plate to be manufactured are erected, and one of the long sides is the short side. A side frame (11) continuous with the side frames (12) (13) is erected, and the side frame plate (20) is a fixture on the other long side of the base frame (1). And the side frame plate (20) or the side frame (11) on the long side at the time of mounting.
At least one of the above is a formwork device, wherein an upper side thereof is provided so as to be inclined inward.