JPH1088523A - Timbering device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily regulate the length of a timbering device to an optional length stepless by inserting an engaging body having an insert hole to a slot bored along the longitudinal direction of a beam material, inserting a wedge body to the insert hole, and nipping and fixing a pair of beam materials slid to a prescribed length by the engaging body. SOLUTION: A pair of beam materials 2, 2 have slots 21, 21 extending over the respective longitudinal direction. An engaging body 3 has an insert hole 31 for a wedge body 4, and a cap nut 32 communicating with the slots 21, 21 which is formed on the end part side. When the engaging body 3 is allowed to communicate with the slots 21, 21 of the beam materials 2, 2 to fix them, the cap nut part 32 is inserted to the elliptic hole 21 of one beam material 2, and the engaging body 3 is fixed to the one beam material 2 by a bolt 33 screwed to the cap nut part 32 through a washer 5. Then, the insert hole 31 is protruded from the slot 21 of the other beam material 2, and the wedge body 4 is inserted through the washer 5 to nip the beam materials 2, 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a support device.

[0002]

2. Description of the Related Art Molds that can be adjusted in length are, for example,
It is known to provide length adjustment means for the support of the formwork. As shown in FIG. 7, in the conventional support device a, a plurality of round holes c are formed in the longitudinal direction of beam members b, b made of opposed channel steel or the like. The two beams b are slid so that the round holes c coincide with each other at a desired length position. If necessary, washers d, d
There is known a structure in which a bolt e or the like is inserted and a beam material b is fixed and connected by a bolt e and a nut f.

[0003]

The conventional beam member, which is the length adjusting means of the formwork, can adjust the length only by a predetermined distance between the round holes formed in the longitudinal direction. It is often reported that the adjustment has become gradual, and the length of the adjusted beam is too short or too long, and the supporting device that should be able to adjust the length cannot perform its function sufficiently. Have been. Therefore, it is not always possible to provide a supporting device having a required length by the conventional length adjusting means using a round hole, and a supporting device capable of adjusting the length freely (steplessly). The development of is eagerly needed. Also, loosen the bolts fixing the beams, adjust the beams,
Since the length of the support device is adjusted by performing the work of tightening the bolts again, the adjustment work is troublesome.
For this reason, development of a shoring device that enables quick length adjustment work is also desired. The present invention has been made to solve the above problems, and an object of the present invention is to provide a shoring device that can easily and continuously adjust the length of the shoring device to an arbitrary length. Is to do.

[0004]

According to the present invention, there is provided a supporting device comprising a pair of beams slidably contacting each other, wherein a long hole is formed in the beams along the longitudinal direction thereof. Inserting an engaging body having an insertion hole into the long hole, inserting and inserting a wedge body into the insertion hole into the engaging body, and clamping and fixing a pair of beam members slid to a predetermined length, It is a shoring device. Further, the present invention provides a supporting device comprising a pair of beam members slidably in contact with each other, wherein one beam member having a hole in the longitudinal direction and the other beam member having a long hole in the longitudinal direction are provided. A beam, a fastening portion communicating with the hole and the long hole when the beam members come into contact with each other, an engaging body having an insertion hole, and a wedge body inserted into the insertion hole of the engaging body. A retaining member for retaining the engaging member to one of the beam members, inserting a wedge member into the insertion hole, and clamping and fixing a pair of beam members slid to a predetermined length. It is. The present invention also provides
In a supporting device constructed by slidably contacting a pair of beam members, a pair of beam members each having a long hole formed in the longitudinal direction, and a long hole when the beam members face each other. , An engaging body having an insertion hole, and a wedge body inserted into the insertion hole of the engaging body, wherein the fastening part of the engaging body is fastened to one of the beam members, and the insertion hole A wedge member is inserted into the supporting member, and a pair of beam members slid to a predetermined length are sandwiched and fixed. Further, the present invention provides a support device comprising a pair of beam members slidably in contact with each other, wherein a beam member having a long hole formed along a longitudinal direction;
A beam member formed with an engaging body having an insertion hole, which is inserted into the elongated hole when contacting the beam material, and a wedge body inserted into the insertion hole of the engaging body; A wedge body is inserted into the insertion hole of the support member, and a pair of beam members slid to a predetermined length is sandwiched and fixed. Further, the present invention provides a support device comprising a pair of beam members slidably in contact with each other, wherein a long hole is formed along the longitudinal direction, and the long hole can be inserted into the long hole on the same plane as the long hole. A pair of beam members each having an engagement body having an insertion hole, and a wedge body inserted into the insertion hole of the engagement body, such that the engagement members of the beam material are inserted into the respective long holes. This is a supporting device, characterized in that a pair of beam members which are in contact with each other, inserted into the insertion holes, respectively, and slid to a predetermined length, are sandwiched and fixed.
Furthermore, the present invention is a support device, wherein any one of the above-described support devices is provided with a plurality of sets of an engaging body and a wedge body used for fixing a beam member at a predetermined length.

[0005]

Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

<A> Overall Configuration A shoring device 1 of the present invention shown in FIG.
And an engaging body 3 for combining these beam members 2 and 2
And a wedge body 4 for fixing the engagement body 3.

<B> Beams In the shoring apparatus 1 of the present invention, the beams 2 are formed of a pair of divided bodies so that the length can be adjusted. Elongated holes 21 and 21 are formed in the pair of beams 2 and 2 in the respective longitudinal directions. The pair of beam members 2 and 2 are
They are brought into contact with each other so as to match with each other, and are connected by an engagement body 3 described later. Therefore, the length of the beams 2, 2 can be slidably adjusted in a stretchable manner in a range of an extra space of each of the long holes 21, 21 from a portion connected by the engagement body 3.

<C> Engaging Body The engaging body 3 is formed by the long holes 21 and 2 of the pair of beam members 2 and 2 described above.
This is a member for communicating with and fixing to 1. As the engagement body 3, for example, an insertion hole 31 of a wedge body 4, which will be described later, is formed on the main body side, and a cap nut portion 3 communicating with the long holes 21 and 21 on the end side.
2 is used. The insertion hole 31 has a shape that matches a later-described cross section of the wedge body 4. Engagement body 3
Is fixed to the long holes 21 and 21 of the beams 2 and 2 by first inserting the cap nut portion 32 into the long hole 21 of one of the beams 2 and, if necessary, using the washer 5 or the like. Then, the engaging body 3 is fixed to the one beam member 2 by the bolt 33 screwed to the cap nut portion 32. Subsequently, the insertion hole 31 is made to protrude from the long hole 21 of the other beam member 2, and a wedge body 4, which will be described later, is inserted through the washer 5 and the like, to clamp the beam members 2. For this reason, the insertion hole 31 and the washer 5 form a space enough to press the washer 5 against the engaging member 3 toward the beam member 2 when the wedge body 4 is inserted as shown in FIG. To be configured. From the above, the wedge 4 inserted into the insertion hole 31
By loosening, the lengths of the beams 2 can be adjusted steplessly so as to be able to expand and contract again.

<D> Wedge The wedge 4 is a member for restraining the slide of the beams 2 by inserting the wedge 4 into the insertion hole 31 of the engagement body 3 described above. As the wedge body 4, a known one can be employed as long as it has a certain degree of rigidity, such as steel.
When the wedge body 4 is inserted into the insertion hole 31 of the engagement body 3, the wedge body 4 has a cross-sectional shape that matches on the way. Thereby, the wedge body 4
Is inserted into the insertion hole 31 of the engaging body 3 to pinch the pair of beams 2 and 2 and loosen the insertion,
By sliding the pair of beam members 2, 2, the length can be adjusted steplessly so that the length can be expanded and contracted.

[0010]

[Function] In the case of constructing a bridge frame by concrete casting, a suspension form with a formwork attached to it is suspended by a crane to form a frame, and the frame is divided and constructed. Various FCC methods are known. In this construction method, when the web width of the skeleton of the bridge changes for each part, it is necessary to take a desired web width and configure the suspension formwork by using a shoring having a length matching the part to be constructed. is there. Therefore, it is conceivable to provide a suspension formwork that can freely adjust the length of a single supporter by using the supporter device of the present invention, and adjust the length of the supporter to the web width of each part of the bridge.

<A> Length Adjusting Work As shown in FIG. 3, the supporting device 1 has its beams 2 and 2 slidable so that the length can be adjusted steplessly. Therefore, the beam members 2 are slid and adjusted to have a length corresponding to the web width 6 of a portion to be constructed when forming the hanging formwork 7.

<B> Sliding restraint work After the length of the support device 1 is determined, the wedge members 4 are inserted into the insertion holes 31 of the engaging members 3 as shown in FIG. Restrain. That is, by inserting the wedge 4 into the insertion hole 31 of the engagement 3, the wedge 4 presses the washer 5 against the beam 2 as shown in FIG. The reaction force from the washer 5 works. As a result, the beam 2 on the side where the cap nut portion 32 of the engagement body 3 is fastened and the beam 2 on the insertion hole 31 side are pressed against each other and sandwiched, so that the slide of the beams 2 is restrained. You. As described above, the length of the support device 1 is determined. Then, the formwork 71 and the like are attached to the support device 1 to complete the suspension formwork 7.

<C> Change of the length of the support device When shifting to the construction work of the next part having a different web width 6, the arm 72 of the suspension form 7 is adjusted by adjusting the length of the support device 1.
Change the position of. The support device 1 releases the restraint of the beams 2 and 2 by sliding the wedges 4 inserted into the insertion holes 31 of the engaging members 3 of the beams 2 in reverse as shown in FIG. And Then, as shown in FIG. 3, the length of the beams 2 and 2 is adjusted according to the web width 61 of the part to be newly constructed.
To move the arm 72 of the suspension form frame 7 to a desired position. After the position of the arm 72 of the suspension form frame 7 is determined, the slide of the beam members 2 is again restrained by inserting the wedge body 4 into the insertion hole 31 of the engagement body 3 again. By repeating the above operation, one support device 1 can follow the change from the web width 6 to 61 or the like, and
Can be configured.

[0014]

Second Embodiment In addition to the shoring device described in the first embodiment of the present invention, it is also conceivable to configure as described below. In the shoring apparatus 1a of the present embodiment, as shown in FIG. 4, the long hole 21a is formed only in the longitudinal direction of one of the beams 2a. In this case, the engaging body 3 connects the cap nut portion 32 to the long hole 21a of one beam member 2a and the hole 22a formed in the other beam member 2a, and the bolt 3
Screw 3 to fix. Then, after adjusting the beam member 2a to a desired length, the engaging member 3 via the washer 5 is provided as necessary.
By inserting the wedge body 4 into the insertion hole 31, the two beam members 2a, 2a are restrained at a desired length.

[0015]

Third Embodiment In the first and second embodiments of the present invention described above, an example is described in which the beam member and the engaging member are formed separately. In the embodiment of the present invention with respect to these embodiments, an example in which an engaging body is integrally formed with one beam member will be described. As shown in FIG. 5, in the support device 1b, one of the beam members 2b, 2b is formed with a stop portion 23b having an insertion hole 24b for the wedge member 4, and the other beam member 2b.
A long hole 21b is formed in the longitudinal direction of b. One beam 2b
Is inserted into the long hole 21b of the other beam member 2b to join the beam members 2b. Then, the beam members 2b, 2b are adjusted to a desired length, and the wedge member 4 is inserted into the insertion hole 24b of the engaging member 23b via a washer 5 or the like as necessary, so that both beam members 2b , 2b to be constrained at a desired length.

[0016]

Fourth Embodiment Another example in which the beam member and the engaging member described in the third embodiment of the present invention are integrally formed and configured will be described. As shown in FIG. 6, the supporting device 1c includes a pair of beams 2c,
1c and 21c are formed, and engaging bodies 23c and 23c are formed on the same plane as these elongated holes 21c and 21c. The beam members 2c are joined together so that the engaging bodies 23c are inserted into the respective long holes 21c. Then, the beam members 2c are adjusted to a desired length, and if necessary, the wedge members 4 are inserted into the insertion holes 24c formed in the respective engaging members 23c via the washers 5 and the like, so that both beam members are formed. It is conceivable to configure so that 2c, 2c is constrained at a desired length.

[0017]

As described above, the present invention has the following effects. <A> By loosening the wedge body and sliding the beam, the support device can be adjusted to any length steplessly and easily. <B> Compared with a conventional beam, it is possible to surely adjust the support work to a desired length in a stepless manner.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a shoring device according to the present invention.

FIG. 2 is a partial cross-sectional view of the support device.

FIG. 3 is an explanatory view of an operation when the support device is used for a hanging formwork.

FIG. 4 is an explanatory view of a shoring device according to Embodiment 2 of the present invention.

FIG. 5 is a cross-sectional view of a shoring device according to Embodiment 3 of the present invention.

FIG. 6 is an explanatory view of a shoring device according to Embodiment 4 of the present invention.

FIG. 7 is an explanatory view of a conventional shoring.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Akira Kondo 1-25-1, Nishishinjuku, Shinjuku-ku, Tokyo Taisei Construction Co., Ltd. (72) Inventor Eiichi Tanino 6-3-1 Takinogawa, Kita-ku, Tokyo Kawada (72) Inventor Yoshiaki Uetaki 5-6-6 Haneda, Ota-ku, Tokyo Japan Truss Co., Ltd.

Claims (6)

[Claims] 1. A supporting device comprising a pair of beam members slidably contacting each other, wherein a long hole is formed in the beam material along a longitudinal direction thereof, and the long hole has an insertion hole. A support device, wherein a wedge member is inserted into an insertion hole of the engaging member, and a pair of beam members slid to a predetermined length is clamped and fixed to the engaging member. 2. A supporting apparatus comprising a pair of beam members slidably contacting each other, wherein one of the beam members has a hole in the longitudinal direction and the other beam has a hole in the longitudinal direction. A beam, a fastening portion communicating with the hole and the long hole when the beam members come into contact with each other, an engagement body having an insertion hole, and a wedge body inserted into the insertion hole of the engagement body. A fastening device for fastening the engaging member to one of the beam members, inserting a wedge member into the insertion hole, and clamping and fixing a pair of beam members slid to a predetermined length. . 3. A shoring device comprising a pair of beam members slidably contacting each other, wherein a pair of beam members each having a long hole formed in a longitudinal direction and said beam members contact each other. And an engaging body having an insertion hole, and a wedge body inserted into the insertion hole of the engaging body, wherein the fastening part of the engaging body is provided on one of the beam members. A supporting device, wherein a pair of beam members which are inserted and inserted into the insertion holes and slid to a predetermined length are clamped and fixed. 4. A shoring device comprising a pair of beam members slidably in contact with each other, comprising: a beam member having an elongated hole formed in a longitudinal direction; A beam member formed with an engagement body having an insertion hole, which is inserted into the hole, and a wedge body inserted into the insertion hole of the engagement body, wherein a wedge body is inserted into the insertion hole of the engagement body. A support device characterized in that a pair of beam members slid to a predetermined length are sandwiched and fixed. 5. A support device comprising a pair of beam members slidably contacting each other, wherein a long hole is formed along the longitudinal direction, and can be inserted into the long hole on the same plane as the long hole. A pair of beam members each having an engagement body having an insertion hole, and a wedge body inserted into the insertion hole of the engagement body, so that the engagement members of the beam material are inserted into the respective long holes. A supporting device, comprising: a pair of beam members that are in contact with each other, inserted into the insertion holes, respectively, and slid to a predetermined length, and fixed. 6. The supporting device according to claim 1, wherein a plurality of sets of an engaging body and a wedge body used for fixing the beam material at a predetermined length are provided. Shoring equipment.