JPH0235947Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a movable formwork device for placing concrete on slopes, etc.

Conventional formwork equipment for pouring concrete onto slopes, etc. not only has a complicated and expensive structure, but also has difficulty in setting the formwork according to the inclination angle of the slope and the thickness of the poured concrete. It is troublesome and requires skill and a long time to set up the formwork, and it has many drawbacks, such as the fact that the formwork cannot be removed or moved smoothly after the poured concrete has hardened.

In view of this situation, the inventor of the present invention
-Successfully developed a traveling type mobile formwork device for slopes equipped with various formwork adjustment functions, such as No. 54233. In the movable formwork device for slopes according to the present invention, moving wheels are provided at the bottom of the formwork in which a weir plate is installed on the arm members, through an L-shaped plate, so that the movement can be adjusted in the vertical and transverse directions of the formwork. At the same time, horizontal beams are connected to the upper end of the formwork via a formwork inclination angle adjustment device, and the formwork is supported via wheels on rails laid at the bottom of the slope. This type of concrete is supported by wheels on a rail attached to the top of the surface, making it easy to set the formwork, peel it off from concrete, and move the formwork, making formwork construction more efficient. In addition, it has become easier to make adjustments according to the thickness of the concrete and the angle of inclination.

However, in the device of this invention, even though the wheels at the bottom of the formwork move in the vertical and transverse directions of the formwork, their mounting angle is fixed, so the inclination angle of the concrete remains constant. If the angle changes to a width greater than , the permissible range of engagement between the wheels and the rails will be exceeded, resulting in inconvenience in supporting and running the formwork. Therefore,
With this device, if the slope of the concrete changes beyond a certain level, the L-shaped plate with wheels must be replaced accordingly, which requires many models and the replacement work is also troublesome. becomes. In addition, since the aforementioned wheels are adjusted in movement by sliding against the lateral members of the L-shaped plate, it becomes difficult to adjust the movement in practice when a large load is applied, so this is not applicable to large formworks. There are still problems that need to be improved, such as the fact that it is not possible to do so.

This invention was made to solve the above-mentioned problems, and the wheels at the bottom of the formwork
By having a mounting structure that allows for free vertical movement, horizontal movement, and tilting relative to the formwork,
Not only can the formwork be extremely easily set, reset, and moved, but it can also be adapted to a wide variety of concrete slopes and thicknesses, and wheel movement can be easily adjusted even for large, heavy formwork. It is an object of the present invention to provide a movable formwork device that allows easy adjustment of the upper part of the formwork.

Embodiments of the present invention will be described below with reference to the drawings.

In Figures 1 and 2, 1 is a concrete foundation surface that has been poured in advance along the base of the slope 2 on which concrete is to be poured, and a predetermined interval is placed on the foundation surface 1 from the slope 2. A lower rail 3 is installed.

4 is a formwork for pouring concrete on a slope, and is formed by constructing a weir plate 6 on an arm member 5 made of vertical battens or the like. At the lower part of the arm member 5 of the formwork, a bracket 7 is provided to protrude outward from the formwork, and at the tip of the bracket 7, the upper end of the traveling caster 8 is attached to the formwork 4.
It is pivoted by a pin 9 in the longitudinal direction.

The traveling caster 8 has leg rods 1 formed long in the vertical direction.
0, a supporting leg 12 having a wheel 11 at the lower end is connected to a lifting adjustment device 13 using a jack or a hydraulic cylinder.
It is provided so that it can be moved up and down freely. And, the space between the middle part of the leg rod 10 and the lower part of the arm member 5 than the part where the bracket 7 is attached is,
They are connected by a telescopic adjustment member 15 whose both ends are pivoted by 14, 14, respectively, and by the telescopic adjustment operation of this member 15, the traveling caster 8 rotates around the pin 9 and is freely adjusted in tilt relative to the formwork 4. That will happen.

Although not shown, the leg rod 10 is connected to the pin 9.
The telescopic adjustment member 1 is made to protrude further upward.
5 to the leg rod 10 above the pivot position of pin 9.
It is also possible to have it pivoted on the arm member 5 and the arm member 5.

Further, 23 is an upper rail installed parallel to the lower rail 3 on the top plane L of the slope 2, and is fixed by a fixing fitting 24 driven into the top plane L. A trolley 20 rotatably provided with a groove wheel 21 and rollers 22 that sandwich a rail 23 is mounted so as to be freely movable along the rail 23. This truck 20 is provided with a sliding hole 25, into which the base end of a beam 16 formed long in the transverse direction of the formwork 4 is slidably fitted. Further, the proper position of the beam member 16 and the carriage 20 are connected by an expansion/contraction adjustment member 18 whose both ends are pivotally connected by pins 26, 26, respectively. Therefore,
By expanding and contracting the expansion/contraction adjustment member 18, the beam 16 moves in and out of the truck 20.
The overhanging length from this to the other end of the beam member 16 can be arbitrarily adjusted. The other end of the beam 16 and the upper end of the arm 5 of the formwork 4 are connected to a horizontal axis 17.
are rotatably connected to each other by.

Note that the above-mentioned device that connects the arm member 5 and the beam member 16 is arranged along the lower rail 3 and the upper rail 23 at a predetermined interval.

In order to place concrete on the slope 2 using the apparatus of the present invention having the above-mentioned configuration, as shown in FIG. If it is necessary to adjust the height of the formwork during the setting process, the height of the formwork can be adjusted by operating the elevation adjustment device 13 to raise and lower the supporting legs 12. In addition, when adjusting the inclination angle or the thickness of concrete to be cast on the slope 2, the expansion and contraction adjustment member 15 can be expanded and contracted to tilt the arm member 8 about the shaft 17, or the expansion and contraction adjustment member 18 can be adjusted. The extension length of the beam member 16 can be adjusted by expanding and contracting the arm member 8, and the upper end of the arm member 8 can be freely adjusted by moving the arm member 8 inwardly and outwardly as shown by the arrows. After setting the formwork 4, the formwork 4 is fixed by a conventionally known method, for example, with a vault or the like via an earth anchor or lock anchor driven into the slope 2, and concrete is poured into the set formwork H. Pour concrete.

Once the poured concrete has solidified, the expansion/contraction adjustment members 15 and 18 are expanded and contracted to separate the formwork 4 from the concrete wall, and the device is moved along the upper and lower rails 23, 3 to the next pouring position. Then, the formwork was set up again and concrete was poured in sequence.

FIG. 3 shows another embodiment of the mechanism for adjusting the length of the beam 16. The beam shown in this figure is divided into a base beam 16a and a tip beam 16b. and are connected to each other by a telescopic adjustment member 18 to form an integral body. By expanding and contracting the expansion/contraction adjustment member 18, the substantial length of the beam 16, that is, the length of the beam 16 extending from the upper rail 23 can be freely adjusted. In addition, although not shown in the drawings, it is also possible to use a structure in which, for example, two beams are inserted into each other and can be moved in and out using a telescopic member.

FIG. 4 shows another embodiment of the pedestal 4 shown in FIG.
7 and 27, and a vertical rod 28 is installed between the horizontal rods 27 and 27. The upper end of the vertical rod 28 is pivotally connected to the bracket 7 by a pin 9. In this case, the pivot point of the expansion/contraction adjustment member 15 is preferably the X point at the lower end of the vertical rod 28. Since the running caster 8 of this embodiment runs on the rail 3 by the wheels 11, 11 of the two casters 8, 8, it moves particularly stably even if the formwork is large. can do.

As explained above, the formwork device of the present invention is provided with a traveling caster, which is equipped with wheels that can run on rails and whose tilt can be adjusted freely, at the tip of a bracket that protrudes from the bottom of the formwork. At the same time, the base end of a beam that is long in the transverse direction of the formwork is pivotally attached to the upper end of the formwork, and the tip of this beam is attached to a rail that engages with a rail laid on the top of the slope. Since the movable cart is provided so as to be movable and adjustable along the longitudinal direction of the beam, the following effects are achieved.

(1) The lower part of the formwork is supported by the rails via the wheels of the traveling gear, and the upper part of the formwork is supported by the rails via the beams and wheels attached to them, so the support of the formwork is It is reliable and allows the formwork to be moved easily and smoothly.

(2) The traveling casters at the bottom of the formwork are equipped with a lifting adjustment device, and the relative distance and inclination angle with respect to the formwork can be freely adjusted using a telescopic adjustment device, so the height of the formwork can be adjusted. It is easy to adjust the height and position of the formwork in the transverse direction, and not only can it accommodate a wide range of changes in the thickness of the concrete being constructed, but it also allows for easy movement even if the relative position with the formwork changes. The casters can be kept almost vertically at all times, ensuring reliable support of the formwork, and making it easy to adjust even heavy formwork.

(3) The upper part of the formwork can be adjusted by substantially expanding and contracting the beams by operating expansion and contraction adjustment members provided on the beams.
Since the distance from the upper rail can be freely changed, the inclination angle of the formwork and the distance from the slope of the formwork can be easily adjusted just by operating this telescopic adjustment member and the telescopic adjustment member of the traveling caster. It can be adjusted to

(4) The telescopic adjustment member that adjusts the condition of the upper part of the formwork is
Since it is provided near the base end of the beam, adjustment work can be done on the top plane of the slope, making it safe and easy.

(5) Just by operating the expansion/contraction adjustment member of the beam material or the expansion/contraction adjustment member attached to the traveling caster, the weir plate can be pulled away from the solidified concrete wall extremely easily.

(6) The structure is extremely simple and can be manufactured at low cost, and the operation is simple, easy, and safe.

[Brief explanation of the drawing]

Fig. 1 is a side view showing a device according to an embodiment of the present invention and a construction mode using the same device, Fig. 2 is an enlarged side view of the main part of the device, and Fig. 3 is a side view showing another embodiment of the same device. FIG. 4 is an enlarged side view of the main part and a front view showing another embodiment of the traveling leg vehicle in the same device. 1...Foundation surface, 2...Slope surface, 3...Lower rail, 4...Formwork, 5...Arm material, 6...Weir board, 7
... Bracket, 8 ... Traveling gear, 9 ... Pin,
10... Leg rod, 11... Wheel, 12... Support leg, 1
3... Elevation adjustment device, 15... Telescopic adjustment member, 1
6...Beam material, 17...Connection shaft, 18...Expansion adjustment member, 20...Dolly, 21...Wheel, 23...Upper rail.

Claims (1)

[Scope of utility model registration request] At the tip of the bracket protruding from the bottom of the formwork,
A traveling caster vehicle with wheels that can run on rails that can be adjusted up and down is provided, and the base end of a beam that is long in the transverse direction of the formwork is pivotally attached to the upper end of the formwork. At the tip of the beam, there is a trolley that can run by engaging with the rails laid at the top of the slope.
A movable formwork device characterized in that it is provided to be movable and adjustable along the longitudinal direction of a beam material.