JPS6144186B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a trolley device for moving formwork for constructing culverts and the like of various shapes.

In recent years, various types of mobile formwork equipment have been developed to construct various types of culverts such as underground passages and tunnels, elevated structures, and building frames.However, these conventional mobile formwork equipment generally It is designed to be moved to the construction site along the rails installed in the area. However, if the rails are not installed accurately, even if the movable formwork is set in the predetermined position, for example, the slab sheathing will not match the base line of the ceiling of the structure, so it will take time to install the rails. I had to do it correctly. In addition, if it is discovered that the rail facilities are out of alignment after the mobile formwork equipment is brought in, it will take a lot of time and effort to modify the rails.
This caused a significant drop in work efficiency.

The present invention has been proposed in view of the above-mentioned drawbacks of the conventional art, and the bogie frame of the moving device for mounting the formwork is configured as a parallel crank mechanism, which can be deformed and adjusted. Even if there is
It is an object of the present invention to provide a formwork moving trolley device which can accurately match the base line of the ceiling of a structure with a slab sheath plate and which is extremely easy to operate.

Hereinafter, the present invention will be specifically explained based on embodiments shown in the drawings.

FIG. 1 is a front view of the apparatus of the present invention on which a slab formwork is placed, and FIG. 2 is a side view showing the apparatus of the present invention installed in series and the slab formwork placed thereon. In the figure, A is a vertical rectangular frame, 1 is an upper frame material, 2 is a lower frame material, 3, 3 are side frame materials, and each of these frame materials 1,
2, 3, and 3 are framed in a rectangular shape, and the connecting portions thereof are each pivotally connected with a pinch to form a parallel crank mechanism. Reference numerals 5 and 5 denote brackets provided on the lower frame material 2, to which threaded rods 6 and 6 are screwed so as to be able to move in and out toward the adjacent side frame materials 3, 3,
The tips thereof are brought into contact with abutments 7, 7 provided on the side frame members 3, 3. Therefore, by rotating the threaded rods 6, 6 and adjusting the protruding length thereof to the side frame members 3, 3, the side frame members 3, 3 can be moved as shown by arrows a, a in FIG. Therefore, it will tilt around the pins 4, 4.

A running leg 10 having wheels 8 and a lifting device 9 such as a screw or hydraulic type is provided at the lower part of the frame body A.
It is designed to be able to run and move along rails 11 installed above.

As shown in FIG. 2, a plurality of bogie devices having the above configuration are installed side by side at required intervals along the rail 11, and are used by being connected by appropriate connecting members 12, 12. A longitudinal girder 13 is installed on the devices connected in this way, and a plurality of slab beams 14, 14 are provided on the top surface at a required interval at right angles to the running direction of the device. A slab sheath plate 15 is installed on the slab beam 14 and has a shape that matches the wall shape of the ceiling to be constructed.

When a formwork is placed on the apparatus of the present invention to construct, for example, the ceiling of a culvert, the apparatus is carried along the rails 11 to a predetermined construction position, as shown in FIG. is operated to raise the frame body A and set it so that the upper surface of the slab sheathing plate 15 is at a predetermined position along the inner wall surface of the ceiling of the culvert to be constructed.

At this time, for example, if the installed rail 11 is out of alignment and the slab sheathing plate 15 does not match the base line C of the ceiling, the screw rods 6, 6 can be rotated to adjust their protruding length. , pins 4, 4 connecting the side frame members 3, 3 to the lower frame member 2 as shown in FIG.
By tilting the upper frame member 1 in the rotational direction and moving the upper frame member 1 horizontally, the slab sheath plate 15 can be aligned with the base line C of the ceiling.

In this case, since the frame A is constituted by a parallel crank mechanism consisting of an upper frame member 1, a lower frame member 2, and side frame members 3, 3, the lower frame member 2 is set horizontally using the lifting device 9. If this is done, even if the side frame members 3, 3 tilt, the upper frame member 1 will always move in the width direction of the frame body A while remaining horizontally parallel to the lower frame member 2.
The vertical girder 13 placed on the upper frame member 1 and the slab sheath plate 15 placed on the slab beam 14 are also attached to the upper frame member 1.
It will move horizontally. When the side frame members 3, 3 are tilted, the parallel distance between the upper frame member 1 and the lower frame member 2 is shortened, and the height of the slab sheath plate 15 is lowered, so the side frame members 3, 3 are tilted. After aligning the slab sheir 15 with the baseline C of the ceiling, the lowered slab shear 15 is lifted back to its original height by the lifting device 9, and the slab sheath 15 is raised to its original height.
What is necessary is to position the upper surface of the ceiling at a predetermined position along the inner wall surface of the ceiling to be constructed.

Once the slab sheathing board 15 has been set to accurately match the base line C of the ceiling by the above operation, the auxiliary shedding board 17 is placed between both ends of the slab sheathing board 15 and the side wall 16 of the culvert. Intermediate, side wall 1
The wedges 19 and 20 with their tapered surfaces in opposite contact are driven between the top surface of the support fitting 18 fixed at a required interval on the inner upper part of the auxiliary weir plate 17 and the bottom surface of the auxiliary weir plate 17. slab weir plate 1
After adjusting it so that it is flush with the top surface of 5, concrete 21 is poured onto the formwork formed by the slab weir 15 and the auxiliary weir 17, and the ceiling of the culvert is constructed. Become.

Next, once the poured concrete 21 has hardened, the wedges 19 and 20 are removed, the auxiliary weir plate 17 is pulled out, and the support fittings 18 are removed.
Operate the lifting device 9 to lower the frame body A, and move the formwork along the rails 11 to the next construction position using the traveling legs while keeping it on the trolley device of the present invention, and proceed with construction one by one. Bye.

In this embodiment, a case is shown in which a ceiling is constructed on the side walls 16 of a culvert constructed in advance, but as shown in FIG. A formwork is constituted by the side wall sheathing plate 23 which is pivoted to the side wall sheathing plate 23 and is constructed on the outside of the side wall vertical flap 22, and the slab shearing board 15 which is constructed on the upper surface of the slab beam 14, and concrete is poured around it. Then, it is possible to construct the side walls and ceiling of the culvert at the same time.

Also, as shown in Fig. 4, the structure of the frame A is such that the legs are fixed to the lower ends of the side frame members 3, and the vertical beams 1 are fixed to the upper ends of the legs.
3, on top of such side frame material 3,
The upper frame member 1 and the lower frame member 2 may be pivotally attached to the lower part. In this case, if the frame A is tilted, it will become a little unstable, but in reality, the amount of tilting is often only a small amount, so a structure like this can also be used, and the manufacturing cost is low. Become.

Further, in this embodiment, the screw rods 6, 6 are provided on the lower frame material 2, but the screw rods 6 may be provided on other upper frame materials 1, side frame materials 3, 3, or , the two threaded rods 6, 6 may be provided on different frame materials. Further, the means for adjusting the deformation of the frame A by the threaded rod 6 may be different from that shown in FIG.

That is, FIG. 5 illustrates another means, in which the threaded rod 6 is provided with its base end on a bracket 5 provided on the side frame member 3 so as to be rotatable but not movable in the length direction. Attach the tip of the threaded rod 6 to the upper frame material 1.
It is screwed into a nut 25 with a pin which is rotatably attached by a pin 24. In this case, two screw rods 6 are not required as in the example in Figure 1, and only one screw rod 6 is required as shown in the figure.
This makes the operation easier and more economical.

As explained above, the present invention configures a bogie device by making the frame configured in a parallel crank mechanism deformable and adjustable, and providing the running legs with a lifting device to the frame body. (1) The bogie device A ceiling that constructs slab shedding boards by connecting the formwork so that it can be moved freely, and by rotating the screw rods and deforming the frame even if the formwork is moved in an incorrect position along the rails. can be set accurately to the baseline.

(2) The frame has a parallel crank mechanism, so
Since the horizontality of the slab weir is always maintained even when the slab weir is moved in the width direction, it is extremely easy to confirm the position of the slab weir.

(3) Since the position of the slab weir can be adjusted in an extremely short time by simply operating the screw rods, construction efficiency is greatly improved.

(4) The means for deforming the frame consists of screwing a threaded rod onto one of the frame members and relating the threaded rod to an adjacent frame member. It can be installed at the pivot point of the frame and does not protrude significantly into the frame.
The interior of the frame can be kept wide and can be used as a passage, transportation path, or work place, improving construction efficiency and improving work safety.

(5) The height of the frame can be reduced to a large width by operating the lifting device, making it easy to carry, transport, and move to the site, as well as reducing storage space in the warehouse. .

(6) The structure is extremely simple and can be manufactured at low cost, and maintenance and inspection are also easy.

It is possible to provide an excellent trolley device for moving formwork, which has many advantages such as, and can be widely applied not only to the construction of culverts but also to the construction of elevated structures and building frames. .

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a front view showing a place where the formwork is placed, FIG. 2 is a side view of the same, and FIG. 3 is a front view showing its usage state.
FIG. 4 is a front view showing another embodiment, and FIG. 5 is a front view showing still another embodiment. A... Vertical rectangular frame body, 1... Upper frame material, 2...
Lower frame material, 3... Side frame material, 4... Pin, 5... Bracket, 6... Screw rod, 7... Bolt, 8... Wheel, 9... Lifting device, 10... Traveling leg, 11...
Rail, 12... Connecting material, 13... Longitudinal girder, 14...
Slab beam, 15...slab sheath board.

Claims (1)

[Claims] 1. A side frame member, an upper frame member, and a lower frame member are respectively pivotally connected to form a rigid rectangular frame of a parallel crank mechanism, and a threaded rod is screwed to at least one end of the frame member, Furthermore, by bringing the tip of the threaded rod into contact with or screwing into another adjacent frame material and rotating the threaded rod, the rectangular shape of the frame can be freely deformed and adjusted, and the lifting device can be attached to the frame. A dolly device for moving formwork, characterized in that it is provided with traveling legs having wheels.