JPH0455569A - Traveling type form shoring - Google Patents

Abstract

PURPOSE:To facilitate the control of a position in the direction of a form even if there is something wrong with a rail equipment by providing casters capable of rising and falling control to shoring frame bodies, and providing horizontal moving devices capable of controlling on substrates of cross-feed devices so that they are capable of rocking. CONSTITUTION:Form shorings are constituted of an assembly frame body 1 equipped with casters 5 and horizontal moving devices 10. The horizontal moving devices 10 are constituted of mounting member 11 of the lower parts of shorings 2, pulley members 12 capable of rocking and feed devices sliding the pulley members 12. The pulley members 12 are mounted on substrates 24 of cross-feed devices 13 by coming into contact with guide plates 32, they are joined to a horizontal type jack 25 with a shaft lever 36, and the pulley members 12 are capable of moving in the direction of the oblong by rotation of a screw lever 28 of the horizontal type jack 25. After that, the horizontal moving devices 10 are loaded to the shorings 2, the shorings are borne on contact seats 37 and 37 of a floor. According to the constitution, the shorings are capable of controlling movement in the direction of the width of an executed structure.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a traveling formwork support for supporting and moving the inner formwork of a box culvert.

(Prior Art) In constructing various types of culverts and elevated structures such as underground passages and tunnels, various types of movable internal formwork devices are used to improve the efficiency of construction.

Conventionally, as this type of device, for example, Japanese Patent Publication No. 63-512
As shown in Publication No. 36, the inner formwork was supported on a support frame body (shoring) to which casters were attached, so that the inner formwork could be moved and the formwork could be shaped and removed. something is being used.

(Problems to be Solved by the Invention) By the way, in the conventional shoring as described above, the shoring is moved to the construction position using casters on rails installed on the floor.
The formwork is set. In this case, the longitudinal position of the formwork can be easily adjusted by adjusting the movement position on the sill, but the widthwise position of the formwork is restricted by the facility position of the rail. Because of this, accuracy is required for rail facilities, which requires a lot of time. If it is discovered that there is a problem with the rail facility after the equipment has been delivered, it will take a lot of effort and time to repair the rail, further reducing work efficiency.

The present invention solves the above-mentioned problems and makes it possible to easily adjust the position of the formwork in the width direction even if the rail facility becomes distorted, thereby improving construction efficiency and economic efficiency. The aim is to provide a mobile formwork shoring system that can

(Means for Solving the Problems) The structure of the present invention for achieving the above object will be described with reference to drawings corresponding to embodiments.
The pillars 2.2 are connected with the horizontal frame members 3.3 to form a rectangular frame body l.
A caster 5 is provided at the lower end of each of the pillars 2 with wheels 8 that run in the longitudinal direction of the construction structure and can be adjusted up and down.
The device is characterized in that a lateral movement device 10, in which a sliding member 12 is provided on a base plate 24 so as to be movable and adjustable by a lateral jack 25, is provided in a swingable manner.

(Function) The shoring of the present invention is moved by the caster device 5.5 on the rails 38.38 laid along the longitudinal direction of the construction structure, and is installed on each support pillar 2.2 at a predetermined position. Overlay seats 37, 37 are inserted under the lateral movement device 10, and each caster device 5 is shortened to allow the lateral movement device 10 to receive the load. that time,
If the formwork mounted on the shoring is deviated from a predetermined position in the width direction of the structure to be constructed, its position is corrected by the lateral movement device IO.

That is, by rotating the screw rod 28 of the horizontal jack 25 which is connected to the sliding member 12 attached to the lower end of the column 2 by the shaft 291, the horizontal jack 25 is connected to the base plate 24 via the pin 29. Therefore, the horizontally long box 26 is the third
It moves in the direction of the arrow a in FIGS. 8 and 8, and thereby the sliding member 12 slides on the base plate 24. In this case, the sliding plate 23 is interposed at the contact surface between the base plate 24 and the sliding member 12, and the friction coefficient is lower than that between the base plate 24 and the contact seat 37, so that under load,
The rotation of the screw rod 28 causes the sliding member 12 to move against the ground.
As a result, the column 2 connected to the sliding member 12 is adjusted to move in the width direction of the structure to be constructed.

(Example) Hereinafter, an example of the shoring structure of the present invention will be described with reference to the drawings.

In Figures 1 and 2, reference numeral 1 denotes a frame body forming the main body of the shoring structure, in which pillars 2.2 arranged at the four corners are connected to each other by horizontal horizontal frame members 3.3 to form a rectangular box in plane and side. It is formed in a mold, and at the upper end of the column column 2.2 there is a longitudinal girder 4°4.
are combined.

At the lower end of each column 2, which is a component of the framework 1,
A caster device 5 is attached to make the framework l run in the longitudinal direction of the constructed structure.

This caster device 5 is conventionally known, and as shown in FIG. 2, wheels 8 are attached to the lower end of a pedestal 7 that is provided on a pedestal 6 so that it can be raised and lowered by a hydraulic or screw type adjustment jack. It has a similar structure and is attached to the support column 2 via a bracket 9.9.

Furthermore, a lateral movement device 10 is provided at the lower end of each of the pillars 2 . As shown in enlarged views in FIGS. 3 to 7, in this device, a sliding member 12 formed in the shape of a horizontally elongated frame is attached to a mounting member 11 provided at the lower end of a support column 2, and the sliding member 12 is swingable at the intermediate portion thereof. A feeding device 13 is provided for mounting and sliding this sliding member.

The mounting member 11 includes a seat plate 11 that is coupled to the lower end of the support column 2.
A pair of support plates 14.14 are vertically installed at intervals on the lower surface of a, and bins 16.16 are placed between the support plates 14.14 on all sides.
．． The structure is such that a universal joint piece 15 with projecting portions 17 and 17 is rotatable about a horizontal axis passing through the pins 16.16 via a pair of opposing pins 16.16.

Note that 18° and 19 are reinforcing plates.

As shown in FIGS. 5 to 7, the sliding member 12 is formed into a box-shaped structure by connecting two horizontally long plates 20.20 of the same shape, a joint plate 21.21 and a bottom plate 22.22 that connect them. This bottom plate 22 is formed as a plate 20.20.
The bottom plate 22 is protruded by a required width on both sides, and a slip plate 23 made of Teflon or the like is fixed to the lower surface of the bottom plate 22.

The feeding device 13 on which the sliding member 12 is placed is shown in FIGS. 8 and 9.
As shown in the figure, it consists of a base plate 24 with a groove-shaped cross section and a horizontal jack 25 which are loosely fitted into the lower part of the sliding member 12 and can be moved in the longitudinal direction thereof. Horizontal jack 25
This is a conventionally used screw jack, in which a screw rod 28 is rotatably provided in an oblong box 26 with guide holes 27 on both sides.
7. A bin 29 projecting outwardly from the box 26 from 27.
A movable piece 30 having a screw rod 29 is screwed together and is moved along the guide elongated hole 27 by rotation of the threaded rod 28. This horizontal jack 25 is attached to a pin 29. which protrudes from a mounting plate 31.
It is attached by pivoting 29. Therefore, by rotating the screw rod 28, the horizontal jack 25 can be adjusted to move in the longitudinal direction of the substrate 24 as indicated by arrow a in FIG. Also.

A sliding plate 32 made of stainless steel or the like is laid on the inner bottom surface of the base plate 24, and a slide plate 32 made of stainless steel or the like is provided on both side plate portions of the base plate 24 so as to be able to freely protrude above the portion of the sliding member 12 that protrudes from the plate 20.20. Holder bolts 33.33 are screwed on.

Therefore, the sliding member 12 is placed on the base plate 24 with the sliding plate 23 in contact with the sliding plate 32, and the holding ports 33 and 33 are projected onto the bottom plate 22, 22 to prevent the sliding member from lifting up. An attachment plate 34 provided at the end of 12.
34, the shaft rod 36 passes through the bottle hole 35, 35 (Fig. 3,
(see figure) is connected to the tip of the box 26 of the horizontal jack 25. Therefore, by rotating the screw rod 28 of the horizontal jack 25, the sliding member 1
2 will slide in the longitudinal direction of the substrate 24.

The lateral movement device configured as described above is attached to the lower end of the support column 2, and as shown in FIGS. 24 and supports the shoring via the pillars 2.

The traveling formwork support of the present invention is configured as described above, and the wheels 8 of the caster devices 5, 5 are connected to the pair of rails 38, 38 laid on the foundation concrete floor of the structure to be constructed. .8, and is moved in the longitudinal direction of the constructed structure. And the longitudinal girder 4.4 of the framework body 1
A slab formwork 39 is placed on top, and side wall formworks 40° 40 are installed at both ends of the slab formwork 39 with expansion and contraction devices 41.4.
1, the movable formwork device such as a culvert is constructed by pivotably mounting the movable formwork device 42, 42 in a tilt-adjustable manner.

When moving the shoring system of the present invention, the jacks of the caster device 5 are extended, the entire framework l is lifted up via the supports 2.2, the lower ends of each support 2.2 are lifted, and the sideslip device 10.10 is moved.
Remove the temporary seats 37.37 inserted below, support the shoring on which the formwork is mounted on the caster device 5.5, and move the rail 38°3.
8 to move the shoring to the predetermined execution position. Then, a temporary seat 37° 37 is inserted under the lateral movement device 10 provided at the lower end of each column 2.2, and the caster device 5
By shortening the jerking of the shoring, the horizontal movement device to,
0 and the wheels 8.8 are supported on the rails 38.3.
Raise it to 8.

At that time, if the position of the formwork mounted on the shoring in the width direction of the constructed structure deviates from the predetermined position, the shoring is supported on the lateral movement device provided at the lower end of each pillar 2.2. While keeping this position, the horizontal jack 25 is operated to cause the sliding member 12 to slide on the board 24 and move laterally. As a result, the entire shoring can be adjusted via the supports 2.2 in the direction of the construction structure.

After that, the formwork is shaped and concrete is poured.

After the concrete has hardened, the formwork 39.40 is peeled off and the concrete is moved to the next construction site by the caster device 5.5.

(Effects of the Invention) As explained above, the formwork shoring of the present invention is connected by supporting horizontal frame members to form a rectangular frame body, and the lower end of each of the above-mentioned supports is attached to the construction structure. It is equipped with a caster equipped with wheels running in the longitudinal direction that can be adjusted up and down, and a lateral movement device that has a sliding member on a base plate that can be adjusted to move freely with a horizontal jack, and is swingably installed. Because of this, it is possible to adjust the movement of the shoring in the width direction of the construction structure by simply rotating the screw rod of the horizontal jack in the lateral movement device. Therefore, when constructing a culvert, the accuracy of the rail facilities used to move the shoring does not need to be high, and even if the rail facilities become misaligned, there is no need to correct them. It can save time and money. Further, since the lateral movement device is provided so as to be swingable, it has many excellent effects, such as adapting well to unevenness and slopes of the ground.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a front view, FIG. 2 is a side view, FIG. 3 is a front view of the lateral movement device, FIG. 4 is a plan sectional view, and FIG. The figure is a front sectional view showing the support member and the sliding member, FIG. 6 is a plan sectional view, FIG. 7 is a side sectional view, FIG. 8 is a front sectional view of the feeding device, and FIG. 9 is a plan view. It is. 1...Framework. 5... Caster device. 10... Lateral movement device. 12...Sliding member. 15...Universal joint piece. 20...Plate. 23...Smooth plate. 25...Horizontal jack. 29...Bin. 36... Axis rod. 38...Rail 2...Post. 8...wheels. 11...Supporting member. 13... Feeding device. 16, 17-...Bin. 22... Bottom plate. 24--Substrate. 28...screw rod. 30...Moving piece. 37...For now. 1! J1 Figure 3 Figure $2111 Figure 4 Figure 5 Figure 18' Figure 9

Claims (1)

[Claims] The pillars are connected by horizontal frame members to form a rectangular frame body, and casters are attached to the lower ends of each of the pillars, and wheels that run in the longitudinal direction of the construction structure are installed so that they can be raised and lowered,
A traveling type formwork shoring system, characterized in that a lateral movement device in which a sliding member is provided on a base plate so as to be movable and adjustable by a horizontal jack is swingably provided.