JPS6328191B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a movable formwork apparatus that can construct concrete structures including walls and columns at the same time.

For example, concrete structures such as elevated structures and buildings often have a structure in which a large number of columns are arranged in a row and walls are integrally provided between these columns. The front sectional view in Figure 1 and the plan sectional view in Figure 2 illustrate such a structure.In the structure, pillars A, A are erected at approximately equal intervals as shown in this drawing. , walls B, B between each column A, A
Many of the structural parts with Conventionally, to construct such a concrete structure, the floor concrete C is first constructed, the column concrete is then constructed on the floor concrete C, and then the wall concrete is constructed, or the columns and walls are A method is being used to construct both at the same time. but,
Since the thicknesses d ₁ and d ₂ of the column A and the wall B are greatly different, unevenness occurs in the planar shape. It is not possible to install formwork, and construction is being carried out using formwork that is inefficiently assembled by hand.

The present invention has been made in view of the above-mentioned circumstances, and includes a pair of left and right formwork bodies mounted on a moving trolley that can freely run and move up and down, and in which a pair of left and right formwork bodies are mounted so as to be adjustable in tilt and movement in the width direction. By forming a formwork part along the construction surface of the wall and a recessed formwork part along the construction surface of the column, the column and wall can be constructed at the same time, and the formwork can be removed after construction. The purpose of the present invention is to provide a large movable formwork device whose body can be tilted and moved inward to reduce the overall shape and travel to the next construction position, thereby increasing the efficiency and economy of construction. It is something.

Embodiments of the present invention will be described below with reference to FIGS. 3 to 7.
This will be explained with reference to the figures.

In the figure, 1 is a traveling trolley for moving formwork, and frames 2, 2 formed long in the vertical direction are erected at a considerable interval in the direction of construction progress (back and forth direction), and these are connected by connecting rods 3. The frames 2, 2 are combined to form a box frame shape, and casters 5, which are vertically adjustable and have wheels 4 at their lower ends, are provided at both ends of the lower parts of the frames 2, 2. It is placed on a rail 6 laid along the direction of travel via wheels 4,
It is freely movable along the rail 6.

Girder members 7, 7 formed long in the front-rear direction are installed on top of the traveling bogie 1, and further above the girder members 7, 7, a plurality of support beams 8, 8 long in the lateral direction are installed at required intervals.
has been erected. Adjustment beams 9 are provided at both outer ends of the support beam 8 so that they can be moved in and out, and a telescopic adjustment device 12 is installed between brackets 10 and 11 provided on the support beam 8 and the adjustment beam 9. The protrusion length of the adjustment beam 9 from the support beam 8 can be adjusted by the operation. The upper ends of form bodies 13, 13 are attached to the outer ends of the adjustment beams 9, 9, respectively, by pins 14, 14 so as to be tiltable.

The formwork body 13 includes an inclined formwork part 15 extending diagonally upward at the upper part thereof, and a side wall formwork part 16 formed in a hanging form following this. The form bodies 15, 16 are formed by arranging a large number of vertical butterflies 17, 17 at required intervals and connecting them by a plurality of horizontal butterflies 18, 18.
A weir plate 19 is attached to the outside of the dam 17. This structure is basically the same as the structure of a conventionally known formwork. Furthermore, at least one columnar frame section 20 is recessed in a proper position of the side wall frame section 16.

As shown in the enlarged views in FIGS. 6 and 7, the columnar frame 20 is cut out over a required length in the front-rear direction, and the column A and the wall to be constructed are cut out in the cutout area. By combining the vertical butterflies ₁₇ ', 17', the horizontal butterflies 18', 18', and the weir plate 19' in the recessed position corresponding to the step width _d3 due to the difference in thickness d1, _d2 from B. A gap 21, 21 of a required width is formed between the front and rear ends of the weir plate 19' of the columnar frame part 20 and the shear plate 19, 19 of the side wall form part 16. Into the gaps 21, 21, leftover formworks 22, 22, each having an L-shaped planar cross section, are inserted to fit the connecting step between the column A and the wall B, and are inserted into the side wall formwork parts 16, 16. It can be detachably attached by any suitable means. The vertical flaps 17' and the horizontal flaps 18' of the columnar frame part 20 are made such that the vertical flaps of the side wall frame part 16 are supported by the horizontal flaps 18 by appropriate means.

Further, the upper end portions of a pair of left and right tilt adjustment rods 23, 23 are pivotally attached to the appropriate positions of the support beams 8, 8 by pins 24, 24, and the lower end portion of the tilt adjustment rod 23 is provided with a threaded rod 24 for rotating. The protruding pin 25 is connected to the rod 2.
This pin 25 is attached to a bracket 26 at the bottom of the side wall formwork 16.
It is installed via. Therefore, when the screw rod 24 is rotated, the pin 25 moves and the formwork body 1 is moved.
3 is tilted inwardly or outwardly about the pin 14 at its upper end.

Next, the manner of use of the apparatus of the present invention configured as described above will be explained. First, the apparatus is transported to a predetermined construction position by moving a traveling cart and installed. Then, the inclination of the form body 13 due to the operation of the tilt adjustment rod 23, the extended position of the form body 13 due to the operation of the expansion/contraction adjustment device 12, and the height of the form body 13 due to the vertical expansion/contraction adjustment of the caster 5 are determined respectively. Adjust and
The form body 13 is set in a predetermined state. and,
Insert and fix the formwork 22 left in the gap between the side wall formwork part 16 and the columnar frame part 20 (see Figures 5 and 7).
do. In this case, it is preferable to set the formwork on the other side of the column A and wall B to be constructed using a device similar to the device of the present invention, but for the other side, use the conventional manual assembly method. Bought formwork may also be used.

Once the formwork is set, concrete 27 is placed, and after it has hardened, the formwork is removed from the form. 4 As shown in Figure 4, the tilt adjustment rod 23,
23 to tilt the form bodies 13, 13 inward as shown by the solid line arrows. As a result, the form body 13 is peeled off from the surface of the poured concrete 27, leaving only the form 22 remaining. Next, if the telescopic adjustment device 12 is retracted and the formwork body 13 is drawn inward as shown by the chain arrow, the outer end surface of the formwork body 13 will be positioned more inward than the column body A. Further, by contracting the casters 5 and lowering the height of the frame body 13, the entire device is contracted and becomes large enough to pass between the columns A and A with a small gap. Therefore, if the traveling cart 1 is pushed forward in this state, it can be easily moved to the next construction position. Note that the remaining formwork 22 is separately removed manually. Then, at the next construction position, the tilt adjustment rod 23, the telescopic adjustment device 12, and the caster 5 are operated to set the form body 13 in a predetermined state. By repeating this process, the construction of a continuous concrete structure consisting of column A and wall B can be completed in sequence.

In the above embodiment, the frame body 13 has the inclined frame part 15 and the side wall frame part 16, but it may be formed entirely of the side wall frame part 16. Although the columnar frame portion 20 is formed at one location on one side, it may be formed at several locations, and the location where it is formed is not limited to the end of the formwork, but at any appropriate location along the entire length. can do. In addition to the support beams 8, weir plates are placed on the girders 7 and 7 via support flaps, and a slab formwork (not shown) is installed.
If this is done, concrete pouring for the ceiling can be carried out at the same time, making it convenient. In such a case, it is preferable to provide the telescopic adjustment device 12 below the support beam 8 and the adjustment beam 9. In addition, formwork body 1
3 and 13 are provided as a pair, but only one may be provided on one side.

As explained above, the present invention has a wall form body mounted on a traveling trolley that can freely run and move up and down, so as to be able to freely adjust the tilting and movement in the width direction, and to extend the length of the form body. A recessed formwork part is formed at a suitable location in the horizontal direction, and this formwork part and other formwork parts are connected by a removable leftover formwork, so that shaping of the formwork body, In addition to being extremely easy to remove and move, it is also possible to reduce the shape over a large width, making it easy to move through narrow spaces due to the mutual protrusion of the pillars, which significantly improves the efficiency and economy of construction. Furthermore, the removable remaining formwork can prevent damage to the connecting step between the column and the wall during demolding, and has many excellent effects.

[Brief explanation of the drawing]

Figures 1 and 2 are a front sectional view and a plane sectional view illustrating a concrete structure in which columns and walls are continuous, and Figures 3 to 7 illustrate embodiments of the device of the present invention. , FIG. 3 is a front view, FIG. 4 is a front view showing the deformed and contracted state, FIG. 5 is a partially cutaway plan view, and FIG. 6 is an enlarged plan sectional view of the columnar frame. FIG. 7 is a diagram showing the remaining formwork separated, and FIG. 7 is a view showing the remaining formwork connected. A... Column body, B... Wall body, C... Floor concrete, 1
... Traveling bogie, 2... Frame, 3... Connecting rod, 5... Caster, 6
...Rail, 7...Girder material, 8...Support beam, 9...Adjustment beam,
12... Expansion adjustment device, 13... Formwork body, 15... Inclined formwork part, 16... Side wall formwork part, 20... Column type frame part,
21... Gap, 22... Remaining formwork, 23... Tilt adjustment rod, 27... Concrete.

Claims (1)

[Claims] 1. The wall formwork is mounted on a traveling cart that can be moved and raised and lowered so as to be adjustable in tilt and movement in the width direction, and the recessed formwork is placed at an appropriate position in the length direction of the formwork. 1. A movable formwork device, characterized in that this formwork part and another formwork part are connected by a removable leftover formwork.