JPH09302929A - Height adjuster for concrete form - Google Patents

Abstract

PROBLEM TO BE SOLVED: To position concrete forms horizontally by finely adjusting the height of a laying batten cleat. SOLUTION: In an adjusting device for concrete forms, laying batten cleats 2a, 2b, 2c for supporting concrete forms are borne at places in constant height from a floor. The adjusting device consists of a base, an adjusting base 5 placed on the base, a lifting-lowering means Y being interposed between the base and the adjusting base 5 and adjusting the height of the adjusting base 5 vertically by receiving external force, and an attachment 6 with base surfaces 6c, which are mounted on both sides of the adjusting base 5, to which stepped sections 6h lower than the top face of the adjusting base 5 are formed and on which the end sections of laying batten cleats 2a, 2b, 2c are placed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adjusting device capable of adjusting the height of a level adjusting material to adjust the height of a concrete formwork on the level adjusting material.

[0002]

2. Description of the Related Art The conventional procedure for installing a concrete formwork will be described below with reference to FIGS. a. The level is set on the reinforcing bars (vertical bars) H of walls, columns, etc., the desired height is determined, and the threads are stretched horizontally. b. Already cast concrete floor slab Z from stretched thread
Packing for level J, which measures the unevenness of the surface and stacks veneer pieces
Determine the height of. c. The leveling packing J is sandwiched between the already placed concrete floor slabs Z, and the laid pier 2 is leveled and fixed with concrete nails Q. d. Prefabricated panel formwork T (plywood veneer P with vertical timber L and horizontal timber M nailed is placed on the floor pier 2 and nailed. E. Concrete S inside the panel formwork T. Pour and place.

[0003]

However, conventionally, the following problems have been encountered. a. Since the unevenness of the already cast concrete S is not uniform, various variations are required for the packing J for level adjustment. b. Since the adjustment is done within the thickness range of one piece of packing J,
I cannot make delicate adjustments. c. The concrete nail Q is struck through the bed 2 and the packing J, so it is difficult to hit it. d. A clearance is generated due to the flexure of the pier, and the piers M and L come into contact with the concrete, so that it will be useless after being diverted several times due to corrosion, sled, or the like. e. At the time of dismantling the formwork T, the bed liner 2 and the panel formwork T are not easily separated, and are difficult to come off.
Is hurt. f. If the mounting intervals of the level adjustment packings J are narrowed, it is difficult to put them all together, so they are arranged at intervals of about 1 m. In that case, when placing concrete, the packing material 2 will be packed by the concrete load from above when placing concrete. Go down where there is no J. As a result, the cutting line at the head of the panel form becomes wavy, and the precision of the finished concrete deteriorates. g. Due to the above factors, not only time and labor are required for laying the pier 2 but also considerable skill is required.

The present invention has been made to solve the above problems, and provides an adjusting device capable of finely adjusting the level adjusting member up and down, and it is not necessary to nail the level adjusting member to fix it. The material should be easy to install so that no skill is required and the dismantling is easy.

[0005]

The invention according to claim 1 is a concrete mold for supporting level adjusting members 2a, 2b, 2c for supporting a concrete form T at a position at a certain height above the floor. In the frame height adjusting device, the base 3
And an adjusting table 5 located on the base 3, and an elevating means interposed between the base 3 and the adjusting table 5 for adjusting the height of the adjusting table 5 in the upward and downward directions by receiving an external force. Y and a mounting surface 6c provided on both sides of the adjusting table 5 and provided with a step 6h (or 60a) lower than the upper surface of the adjusting table 5 to mount the ends of the level adjusting members 2a, 2b, 2c. (Or 6
0c) with attachment 6 (or 60).

According to the second aspect of the present invention, the mounting surface 6c of the attachment 6 has the level adjusting members 2c, 2 arranged linearly.
It is characterized in that they face in opposite directions to each other so that the ends of b are placed.

According to the third aspect of the present invention, the mounting surface 60c of the attachment is provided with the level adjusting members 2a arranged at right angles.
It is characterized in that they are oriented at right angles to each other so that the ends of 2b are placed.

In the invention according to claim 4, the elevating means is
It is characterized in that it comprises a slide table 4 which is slid up on the inclined surface 3a of the base 3 and a pressing bolt 5d which gives the slide table 4 an urging force in the sliding direction.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1. FIG. 1 is a plan view showing an embodiment of a concrete formwork height adjusting device according to the present invention. In FIG. 1, a concrete formwork height adjusting device 1 of the present invention is
As an example, it is used for the projecting corner portion A, the entering corner portion B, and the intermediate portion C. In the projected corner portion A and the projected corner portion B, the ends of the seams of the level adjusting materials 2a and 2b on which the lower side of the formwork intersecting at right angles rides are used, and in the intermediate portion C, they are arranged in a straight line state. The level adjusting members 2b and 2c are used by placing the ends of the joints.

This concrete form height adjusting device 1
4 is a base 3 having a slide 3b having an inclined surface 3a as shown in FIGS. 4 and 5, and a slide base positioned on the slide 3b as shown in FIGS. 3 (a) and 3 (b). 4 and an adjusting table 5 shown in FIG. 8 mounted on the sliding table 4 so as to be movable up and down. In the present example, the level adjusting materials 2a, 2b, 2c are made of high-rigidity steel square pipe, steel mold material, synthetic resin mold material, or the like. In FIG. 4, the base 3 is composed of a flat plate 3m, has a rising piece 3c on the front end side, and has rising stopper pieces 3d, 3d on the left and right sides of the rear end, as well as a horizontally projecting nail hole. And a fixing piece 3f provided with 3e. The inclined surface 3a
Has a width dimension located between the rising stoppers 3d, 3d, extends rearward from the front edge 3n of the flat plate 3m, and is inclined so as to become higher toward the rising piece 3c. The slide 3b may be formed by pressing a flat plate 3m.

The sliding base 4 located on the slide 3b has an isosceles triangular wedge shape as shown in FIGS. 3 (a) and 3 (b), and the lower surface 4a has a lower surface 4a as shown in FIG.
The upper surface 4b is in contact with the inclined surface 3a of b and is inclined such that the upper surface 4b becomes lower as it goes toward the rising piece 3c. A U-shaped handshake 4c is provided at a slightly lower side of the rear end of the slide base 4, and the handshake 4c projects rearward horizontally.

As shown in FIG. 8, the adjustment table 5 on the slide table 4 has its upper surface in a horizontal plane and its front end is in contact with the rising piece 3c, so that its forward movement is restricted, and the lower surface 5a is in contact with the slide table. 4, a bolt mounting piece 5b which is inclined so as to be in contact with the upper surface 4b and projects downward is integrated at the rear end, and a screw hole 5c formed so as to extend in the front-rear direction is formed at the center of the bolt mounting piece 5b. The pressing bolt 5d is screwed in, and the tip of the pressing bolt 5d presses the upper part of the rear end surface of the slide table 4 so that the slide table 4 slides along the inclined surface 3a and is gradually moved upward. It Thus, the adjusting table 5 is pushed up as the sliding table 4 moves forward. The slide base 4, the pressing bolt 5d, and the inclined surface 3a constitute the elevating means Y. Side plates 5e, 5e projecting downward to the left and right of the adjustment table 5.
The side plates 5e, 5e are in contact with both side surfaces of the slide base 4 to position the slide base 4, and the rear end surfaces 5g of the side plates 5e, 5e contact the rising stopper piece 3d. In contact with each other, the rearward movement of the adjustment table 5 itself is restricted.
The bolt mounting piece 5b is located between the rising stopper pieces 3d, 3d, and both sides of the bolt mounting piece 5b are rising stopper pieces 3b.
The adjustment base 5 is restricted from moving in the left-right direction by abutting on d and 3d.

Attachment mounting pins 6a, 6a project from the front and rear of the outer surface of the side plate 5e, and the attachment mounting pins 6a, 6a are used for the intermediate portion C as shown in FIGS. 6 and 7. Since the mounting holes 6b, 6b formed in 6, 6 are fitted, the attachments 6, 6 are fixed to the side plates 5e, 5e. The upper surfaces of the attachments 6 and 6 are level adjusting material mounting surfaces 6c, and the height of the level adjusting material mounting surface 6c is the same as the height of the level adjusting materials 2b and 2c. The step 6h is formed so that the height is lower than the height.

According to the above construction, after the height adjusting device 1 for the concrete formwork is set on the slab floor in the middle portion C (the entrance and exit corners A and B will be described later), the nail of the fixing piece 3f is fixed. Hole 3
A concrete formwork height adjusting device 1 is fixed by driving a nail into e, and the tip ends of the level adjusting material 2b and the level adjusting material 2c are placed on the attachment 6. To adjust the height,
The pressing bolt 5d is screwed into the screw hole 5c and screwed into the screw hole 5c, and the tip of the pressing bolt 5d presses the sliding base 4 to move the sliding base 4 toward the rising piece 3c. In this case, the reaction force when pressing the slide base 4 is blocked by the rising stopper piece 3d. When the sliding table 4 enters, the upper surface 4b slips on the lower surface 5a of the adjusting table 5, the adjusting table 5 is lifted up, and the level adjusting members 2b, 2
Move up c. Therefore, by adjusting the pressure bolt 5d,
By adjusting the upper and lower positions of the level adjusting members 2b and 2c, the level adjusting members 2b and 2c can be set at a predetermined height.

In FIGS. 9A, 9B and 10, 6
Reference numeral 0 is an attachment for a level adjusting material arranged at a right angle, which is a level adjusting material mounting surface 6 having a step 60a.
0c, attachment mounting pins 6a, 6
Mounting holes 60b and 60b that are fitted into a are provided, so that the attachment 60 is mounted to either the left or right side plate 5e or 5e. In this mounted state, the mounting hole 60b always faces the direction perpendicular to the adjusting direction of the pressing bolt 5d.

Therefore, when it is used in the projected corner portion A, it is as shown in FIG.
, The attachment 60 is attached to one side (the attachment 6 is attached to the other side), and the attachment hole 60
The tip of the level adjusting material 2a extending in the direction perpendicular to b is placed, and the level adjusting material 2b is placed on the other attachment 6.
By mounting the tip of the above and operating the pressing bolt 5d in the same manner as described above, it is possible to vertically adjust the level adjusting members 2a and 2b.

To use it in the corner B, the attachment 6 and the attachment 60 shown in FIG. 9 may be exchanged (see FIG. 10). However, in this case, as shown in FIG. 11, a base having a stopper 3h is used. That is, a protrusion 3i having a stopper 3h for regulating the position of the level adjusting material 2a on the attachment hole 60b of the attachment 60 is provided, and a fixing piece 3k having a nail hole 3j is provided on the protrusion 3i. is there. The stopper 3h regulates the position of the level adjusting material 2a.

According to this, the tip of the level adjusting material 2b is placed on the attachment 6, the level adjusting material 2a is placed on the mounting hole 60b, and the pressing bolt 5d is placed in the same manner as described above.
By operating, the level adjustment members 2a and 2b can be adjusted up and down. In order to prevent the concrete form T from moving, an L-shaped stopper 8 is fixed to the floor slab surface via a nail hole 8a as shown in FIGS. 12 (a) and 12 (b).

After fixing the height adjusting device 1 of the concrete formwork to the floor slab at the protruding corner A, the entering corner B, and the intermediate part C, after setting the level adjusting members 2a, 2b, 2c, By adjusting the height adjusting device 1 of the concrete formwork, the heights of the level adjusting materials 2a, 2b, 2c are aligned horizontally, and then the heights of the level adjusting materials 2a, 2b, 2c and the adjusting table 5 are adjusted. Formed on the top of the frame is a rectangular veneer plate P and a splint M to which the four sides of the veneer plate P are attached (see FIG. 17).
On the wall S by fixing the mold T in a standing state and pouring the concrete material inside the mold T.
Can be placed. In this case, the concrete form T has a rising piece 3c shown in FIG. 2 and a rising piece 3h shown in FIGS. 11 and 12.
The position is regulated by the stopper 8.

When the concrete is solidified, the stopper 8
The mold T can be easily removed by removing the above, loosening the pressing bolt 5d, lowering the adjusting table 5, and further lowering the level adjusting members 2a, 2b, 2c. In the present invention, the mold material T may be made of a metal mold or a plastic mold.

According to the above structure, the level packing J
Without having to select the thickness of various heights,
The level adjusting material can be adjusted only by adjusting the pressing bolt 5d, fine adjustment can be performed up and down, and since nails can be eliminated, the labor of nailing can be saved and the lifting means Y can be used.
Dismantling can be done smoothly just by lowering, and if the level adjusting material is made of a square pipe having rigidity, its bending can be prevented as much as possible, and the level adjusting material can be easily laid without requiring skill. In the present invention, the lifting means may be a jack using a worm gear or the like.

Further, as the adjusting device, as shown in FIGS.
The configuration shown in FIG. 15 may be used. In each figure, 71
Is a hollow adjusting device that is horizontally installed at a constant height above the concrete floor slab (not sufficiently secured in level). This is made by molding a steel mold material having rigidity, a synthetic resin mold material such as plastic, or a square pipe into a box shape. The upper plate 71a has a work hole 71d at the center thereof.
A bolt 73a stands upright inside the adjusting device 71 corresponding to the working hole 71d. A cross-shaped or linear driver insertion hole is provided on the head surface of the bolt 73a,
A stabilizer 73c is pivotally attached to its lower end. This stabilizer 7
3c is rotatable with respect to the bolt 73a, and is mounted on the horizontal plane 13q of the base 13 for stabilizing plate 73c.
May be circular or quadrangular, and may have any shape as long as it fits on the horizontal plane 13q. The bolt 73a is screwed onto the nut 74. Instead of the driver insertion hole, a wrench hole having irregularities such as a polygonal box-shaped groove may be used. 74 is a bolt 73
Reference numeral a is an adjusting piece composed of a nut having a screw hole screwed into it, and is welded to the bottom plate 71c. Therefore, the working hole 71d
Insert the tip of a screwdriver (not shown) into the bolt 73
By rotating the bolt 73a by inserting it into the driver insertion hole on the head surface of a and turning the bolt 73a, an upward or downward biasing force is applied to the adjusting piece 74, and the adjusting device 71 itself can be adjusted to move up and down. In this case, the bolt 73a should be
Is idle, the stabilizer 73c remains stationary on the horizontal surface 13q of the base 13. However, in the present invention, it goes without saying that the stabilizer 73c may be fixed to the bolt 73a as long as the shape of the stabilizer 73c is set to a shape that allows the bolt 73a to rotate well (for example, a circle).

Therefore, by individually adjusting the bolts 73a of the adjusting device 71 located at a plurality of positions, the level adjusting material held by the adjusting devices 71 is adjusted horizontally at a preset height position. it can. In addition, the side plate 7
A worm gear screwed onto the bolt 73a may be rotatably bridged between 1b and 71b, and the worm gear may be adjustable from the side of the adjusting device.

The adjusting device 71 is located above the base 13, and the convex portion 71t of the adjusting device 71 has a stopper piece 1a.
The position is regulated by 3d and 13d, and the rear surface is a rising piece 13
Since it corresponds to c, the adjusting device 71 is restricted to be movable only in the upward and downward directions. The base 13 is fixed by driving a nail 71g into the nail hole 13e of the fixing piece 13f.

[Brief description of drawings]

FIG. 1 is a cross-sectional view seen from above showing an embodiment of a height adjusting device for a concrete formwork of the present invention.

FIG. 2 is a sectional view of the elevating means of the concrete formwork height adjusting device of the present invention.

3A and 3B are a plan view and a side view of a slide base of the concrete formwork height adjusting device of the present invention.

FIG. 4 is a side view of the base of the concrete formwork height adjusting device of the present invention.

FIG. 5 is a plan view of a base of the concrete formwork height adjusting device of the present invention.

FIG. 6 is a plan view of an adjusting stand of the concrete formwork height adjusting device of the present invention.

FIG. 7 is a front view of the adjusting stand of the concrete formwork height adjusting device of the present invention.

FIG. 8 is a perspective view of an adjusting stand of the concrete formwork height adjusting device of the present invention.

9A and 9B are a plan view and a side view of an adjusting base of the concrete formwork height adjusting device of the present invention.

FIG. 10 is a plan view of an adjusting stand of the concrete formwork height adjusting device of the present invention.

FIG. 11 is a plan view of the base of the concrete formwork height adjusting device of the present invention.

FIG. 12 is a plan view and a side view of a stopper of the concrete formwork height adjusting device of the present invention.

FIG. 13 is a main part perspective view showing another example of the height adjusting device for a concrete formwork of the present invention.

FIG. 14 is a perspective view of essential parts showing another example of the height adjusting device for a concrete formwork of the present invention.

FIG. 15 is a cross-sectional view showing another example of the height adjusting device for a concrete formwork of the present invention.

FIG. 16 is a side view showing a conventional method of assembling a concrete formwork.

FIG. 17 is a cross-sectional view showing a conventional method of assembling a concrete formwork.

FIG. 18 is a perspective view showing a conventional method for assembling a concrete formwork.

[Explanation of symbols]

 1 Concrete form height adjuster 2a Level adjuster 2b Level adjuster 2c Level adjuster 3 Base 4 Sliding table 5 Adjuster 6 Attachment 8 Stopper 13 Base 60 Attachment T Concrete form M M pier 71 Adjuster

Claims (4)

[Claims] 1. A concrete formwork height adjusting device for supporting a level adjusting material for supporting a concrete formwork at a certain height from the floor. An adjusting stand, an elevating means interposed between the base and the adjusting stand, for adjusting the height of the adjusting stand in the upward and downward directions by receiving an external force, and provided on both sides of the adjusting stand. A height adjusting device for a concrete formwork, comprising an attachment having a mounting surface on which a step lower than the upper surface is provided and on which an end of the level adjusting material is mounted. 2. The height adjustment of the concrete formwork according to claim 1, wherein the mounting surfaces of the attachments face in mutually opposite directions so that the end portions of the level adjusting members arranged in a straight line are mounted. apparatus. 3. The height of the concrete formwork according to claim 1, wherein the mounting surfaces of the attachments face each other at right angles so that the end portions of the level adjusting members arranged at right angles are mounted. Adjustment device. 4. The elevating means comprises a slide table which is slid and raised on an inclined surface of the base, and a pressing bolt which applies an urging force in the slide direction to the slide table. 1. A height adjusting device for a concrete formwork according to 1.