JPS5856407B2 - Water thread tensioning equipment for civil engineering and construction - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an instrument for performing water system lining in civil engineering and construction work.

To install a water system in civil engineering and construction work, first two pairs of nails or stakes were driven in on the left and right, the water system was stretched between these, and the exact location of the water system was determined using a spirit level and a plumb bob. .

For this reason, water-based coating requires skill and requires a lot of effort.

The present invention provides a water-based upholstery that enables water-based upholstery work to be carried out accurately and easily.

That is, in the water-based tensioning tool of the present invention, a locking body and a sliding body that can freely slide along the main rod are attached to the main rod, and these locking bodies and sliding bodies can be used to tighten blocks, bricks, cobblestones, etc. Civil engineering construction materials are clamped and fixed, and a water system is stretched horizontally or vertically from inside the corner formed by the main rod and the locking body.

Hereinafter, the present invention will be described in detail based on the accompanying drawings.

According to a first embodiment of the invention shown in FIGS. 1 to 3, the water-based tensioning device has two main rods extending at right angles to each other.
and the locking body 4 are integrally formed of wood, plastic, or the like.

As shown in FIGS. 1 and 3, the main rod 1 has a plate-shaped part 12 formed flush with the upper surface of the locking body 4 and a certain width below the plate-shaped part 12. It is constituted by a pair of rail-shaped portions 13 that are arranged parallel to each other and spaced apart from each other and extend in parallel with each other at a constant distance.

In addition, the locking body 4F'i is formed of a column having a substantially U-shaped cross section, and has a level 9 at its upper part and a water level at its lower part, with a partition wall 14 provided at the upper part being separated. The three pegs 8 are attached respectively.

As shown in FIG. 2, this pincushion 8 (ri) is rotatably attached to mutually opposing side walls of the locking body 4 by a shaft 15, and one shaft 15 penetrates through the side wall and protrudes to the outside. A handle 16 for rotating the bobbin 8 is attached to the handle.

The tip of the water system 3 wound around this thread 8 is connected to the main rod 1.
It is pulled out to the outside from a feeding lower that is opened toward the bobbin spool 8 on the corner line of the hollow so that it can be pulled out along the corner line inside the corner formed by the locking body 4. .

Furthermore, the sliding body 2, which is slidably attached to the main rod 1 along its longitudinal direction, is made of the same material as the main rod 1 and the locking body 4, and is formed into a prismatic shape, as shown in FIGS. 1 and 3. The upper surface of the sliding body 2 is in sliding contact with the lower surface of the plate-like part 12 of the main rod 1, and the both side faces are in sliding contact with the two opposite sides of the rail-like part 13, respectively. Bolt 1 passing through the part
7 is loosely fitted between the plate-shaped part 12 and the rail-shaped part 13, and fixed by sandwiching both sides of the main rod 1 with a pair of nuts 18 and a pair of washers 19 provided on this bolt 17. has been done.

In this embodiment, the level 9 attached to the upper part of the locking body 4 is circular so that it can simultaneously measure the horizontal direction of the main rod 1 in the longitudinal direction and the horizontal direction. However, it is also possible to install two spirit levels that can measure the level in only one direction.

Therefore, according to the water-based tensioning device of the first embodiment, as shown in FIG. Then, sandwich the width direction of a civil engineering construction material 5 such as a concrete block between the locking body 4 and the sliding body 2, and in this state tighten the bolts 17 and nuts 18 to attach the sliding body 2 to the main rod 1. If the water system 3 is pulled out from the feeding lower while rotating the bundle 16 of the bobbin winding 8, and the tip of this water system 3 is fixed at a predetermined position in the direction in which the civil engineering and construction materials 5 are arranged, the water system 3 is stretched. be able to.

In this embodiment, a level 9 is attached to the upper part of the locking body 4, and since the level 9 can measure the horizontal direction of the main rod 1 in the longitudinal direction and the width direction, it is possible to arrange the civil engineering construction materials. It is possible to check whether the installation position of the civil engineering construction material 5 to which this water-based tensioning tool is fixed is horizontal, which serves as a reference for the water-based tensioning, making it possible to carry out water-based tensioning accurately and quickly. Become.

Next, according to a second embodiment of the present invention shown in FIGS. 4 to 6, the main rod 1 (/'i) is formed of a prismatic body with a substantially U-shaped cross section, and one end of the main rod 1 It is removably fixed to a protrusion 20 protruding from the upper part of one side of the locking body 4, and the recess 2
1 is open and facing downward.

This locking body 4 has another protrusion (not shown), which is exactly the same as the protrusion 20, protruding from the upper part of the other side surface adjacent to the side surface from which the protrusion 20 protrudes. and these protrusions are oriented at right angles to each other.

Furthermore, as shown in FIG. 4, a branch rod 6, which is exactly the same as the main rod 1, is removably attached to the other protrusion of the locking body 4, and the main rod 1 and the branch rod 6 are attached to each other. It extends in a right angle direction, its upper and lower surfaces are flush with each other, and these inner surfaces 22 are orthogonal to each other. A scale 10 is engraved to indicate the length based on the feed-out lower of the water system 3, which is established at .

Further, as shown in FIGS. 5 and 6, the upper end of the sliding body 2 is slidably fitted into the recess 21 of the main rod 1. A long bolt 24 is screwed into the threaded hole 23 provided through it.

One end of this long bolt 24 is rotatably fitted into a bearing groove 25 provided at the tip of a protrusion 20 provided on the locking body 4, and the other end is detachably attached to the tip of the main rod 1. It passes through a freely attached boss 26 and becomes a lever 27, and by holding the lever 27 and rotating the long bolt 24, the sliding body 2 slides along the main rod 1. It is formed like this.

Further, a cap 28 is removably attached to the tip of the branch rod 6. After removing this cap 28, the sliding body 2 attached to the main rod 1 is attached to the long bolt 24 and the boss 26.
In addition, the locking body 4 is equipped with a spirit level 9 as in the first embodiment.
and a bobbin winder 8 are built in.

Therefore, according to the water-based tensioner of this embodiment, the sliding body 2 is attached to either the main rod 1 or the branch rod 6, and the locking body 4 and the sliding body 2 are connected as in the case of the first embodiment. Between civil engineering and construction materials 5
, and transfer the water system 3 from the feeding lower to main rod 1 or branch rod 6.
You can extend the water system by pulling it out along the line.

Therefore, according to the water-based tensioning device of this embodiment, it is possible to achieve horizontality in two directions depending on how it is used. For example, as shown in FIG. When used as a reference for placement, the water system 3 can be stretched extremely accurately by using two water system tensioners as a pair and stretching the water system 3 between them.

In addition, the usage example shown in FIG. 8 shows a case where civil engineering construction materials 5 such as concrete blocks are arranged at right angles, and even if the width of the civil engineering construction materials 5 is narrow, the branch rods are By extending water system 3 along line 6, water system 3
It is easy to level the surface.

Furthermore, FIG. 9 shows an example of use when it is desired to hang the water system 3 vertically at a certain distance a from the tip of the civil engineering construction material 5 such as a beam, and fixing pins 29 are attached to the branch rods 6. Scale 10
If the water system 3 with the weight 11 attached to the tip is suspended via the fixing pin 29, the water system 3 can be suspended vertically at a certain distance a from the tip of the beam. It is something.

Further, according to a third embodiment of the present invention shown in FIGS. 10 to 12, the main rod 1 has a cross section approximately C with a groove 30.
A locking body 4 made of Ir1L type steel is attached to the lower surface of one end of the main rod 1 in a shape such that it can be folded freely with a hinge 31. Like the main rod 1, the side surface of one end of the main rod 1 has a concave groove 30,
A branch rod 6 made of steel and having a C-shaped cross section is foldably attached with a hinge 32.

The main rod 1 and the locking body 4 are connected to the main rod 1 as shown in FIG.
A hook 33 provided on the locking body 4 and a hook 34 provided on the locking body 4
This locking body 4 is made to stand at a right angle to the main rod 1, and between the main rod 1 and the branch rod 6 there is a hole formed on the side of the branch rod 6. 35 and the other end is fixed by a locking pin 36 which pivots around the end of the main rod 1 and resiliently locks inside the side wall, and the first
As shown in FIG. 0, the main rod 1 and the branch rod 6 are fixed at right angles to each other by fixing rods 37 that are removably installed in small holes formed in the upper surfaces of the main rods 1 and 6, respectively.

Furthermore, the sliding body 2 that is slidably attached to the main rod 1 along its longitudinal direction is, as shown in FIGS. 10 and 11,
The base plate 38 is made of L-shaped steel and slides inside the main rod 1 or the branch rod 6, and is foldably attached to the base plate 38 with a hinge 39, and the base plate 38 can be inserted from the tip of the main rod 1 or the branch rod 6. It looks like this.

These sliding bodies 2 and locking bodies 4 can be folded only in directions facing each other, and can also be folded along the longitudinal direction of the branch rod 6Fi main rod 1. These sliding bodies 2, locking bodies 4, and branch rods 6 can be folded compactly around the main rod 1.

In the third embodiment shown in FIGS. 10 to 12, the spool 8 of the water system 3 and the spirit level 9 are also attached to appropriate locations on the locking body 4 (not shown).

As described above, the water-based tensioning tool of the present invention can be fixed to civil engineering and construction materials by the locking body and sliding body attached to the main rod, and can be fixed in the longitudinal direction of the main rod by the level attached to the upper part of the locking body. It is possible to measure the horizontality in the width direction, and this water-based tensioning tool, which is used as a reference when placing civil engineering and construction materials, can make the installation posture of the fixed civil engineering and construction materials horizontal, so the main rod and the locking body can be This has the effect that a horizontal water system can be accurately and easily installed by simply installing the water system along the corner line formed by the corner.

[Brief explanation of drawings]

Fig. 1 is a front view of a water system system according to a first embodiment of the present invention, Fig. 2 is a left side view of Fig. 1, Fig. 3 is a perspective view of Fig. 1, and Fig. 4 is a view of the invention. FIG. 5 is a two-part sectional side view of FIG. 4, FIG. 6 is a sectional view taken along line VI-Vl of FIG. 5, and FIGS. The figure is number 4
FIG. 10 is a perspective view of a water-based system according to the third embodiment of the present invention, FIG. 11 is a rear view of FIG. 10, and FIG. 10 is a left side view of the second part of FIG. 1... Main rod, 2... Sliding body, 3...
... Water system, 4 ... Locking body, 5 ... Civil engineering construction material, 6 ... Branch rod, 7 ... Feeding port, 8 ... ...Screw thread, 9...Level, 10
...Mountain, 11...Weight.

Claims (1)

[Claims] 1. A main rod 1 having a spirit level 9 attached to the upper part and a locking body 4 having a thread spool 8 inside protruding downward at one end, and is slidable along the longitudinal direction of the main rod 1. a sliding body 2 which is attached to the above-mentioned locking body 4 and clamps a civil engineering construction material 5 such as a block between it and the above-mentioned locking body 4; and a feeding lower provided at a corner formed by the main rod 1 and the locking body 4; A water system tensioning tool for civil engineering and construction, characterized in that it consists of a water system 3 that is stretched horizontally through the material, and that the water system 3 can be stretched by being fixed to the above-mentioned civil engineering construction material 5.