JPH04366281A - Supporter for temporary setting operation in civil construction work - Google Patents

Abstract

PURPOSE:To eliminate the need to raise screwing accuray between the female screw and the male screw, exactly position upper column part without causing lowering, and simply adjust the height of the upper column part. CONSTITUTION:An upper column part 2 is movably inserted into a lower column part 1. Each support piece 8 is movably supported by a connector 6 which is rotatably and movably fitted into the periphery of the upper column part 2 on the lower column part 1. The piece 8 has a female screw 12 to fit the male screw 13 of the part 2, and also a support face 14 to be touched by the pressure-receiving face 5 of the part 1. The face 5 is inclined to be separated from the axis P of the part 1 upwardly, and the support face 14 is also inclined to be approached by the axis P of the part 1 downwardly.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] This invention relates to a support tool used during various civil engineering and construction temporary works, for example, when constructing a floor.
Concerning what is commonly called a pipe support.

0002

2. Description of the Related Art Conventionally, when constructing a floor, there is a type of pipe support shown in FIG. 6, for example, for supporting a concrete frame poured into a frame and formed. This pipe support consists of a tubular lower column member 1 with a base plate 1a welded to its lower end, and a tubular upper column member 2 with a receiving plate 2a welded to its upper end.
and a female threaded cylinder 15, the upper column member 2 is fitted into the lower column member 1 so as to be movable in the direction of their axis P, and a male thread is formed on the outer periphery of the upper end of the lower column member 1. A female threaded tube 15 is screwed into the portion 16 so as to rotate about the axis P of the lower column member 1. A plurality of support holes 17 are arranged in parallel in the axial direction on the outer periphery of the upper column member 2, and elongated holes 18 are formed on the outer periphery of the lower column member 1 so as to extend in the axial direction. Each support hole 17 is
It is designed to be open through 8. This long hole 18
A support pin 19 is inserted into one of the support holes 17 opened at , and this support pin 19 is supported on the internally threaded cylinder 15 . After determining the height of the upper column member 2 relative to the lower column member 1, the support pin 19 is inserted from the elongated hole 18 into one support hole 17 and supported by the female threaded cylinder 15.
The height of the upper column member 2 can be determined by receiving the entire weight of the upper column member 2 only by this support pin 19.

0003

However, in the above-mentioned pipe support, when adjusting the height of the upper column member 2,
Since the support pin 19 must be inserted into and removed from the support hole 17 and the internally threaded tube 15 must be rotated, the adjustment work is troublesome. It is an object of the present invention to provide a pipe support that allows such adjustment work to be performed more easily.

0004

[Means for Solving the Problems] In view of this object, in the civil engineering construction temporary work support according to the present invention, as shown in the drawings of the embodiment described later, the upper column member 2 is A plurality of support pieces 8 are inserted and fitted so as to be movable in the direction of their axis P, and are disposed on the outer periphery of the upper column member 2 on the lower column member 1.
are connected by a connecting member 6. Each of the support pieces 8 is rotatable about the axis P of both the upper and lower pillar members 2, 1, and is also movable in the direction toward and away from the axis P. When each supporting piece 8 is made to have such rotation and contact/separation, for example, the connecting member 6 is inserted onto the outer periphery of the upper pillar member 2 on the lower pillar member 1, and both the upper and lower pillar members 2 are connected to each other.
, 1, and movable in the direction of their axes P, each supporting piece 8 is connected to this connecting member 6 relative to the axis P of both the upper and lower columnar members 2, 1. It supports movably in the direction of approaching and separating. Each support piece 8 is formed with a female threaded portion 12 that can be screwed into a male threaded portion 13 formed on the upper column member 2 . In addition, each support piece 8 has a lower column member 1.
A support portion 14 is formed that can come into contact with the pressure receiving portion 5 formed above. The pressure receiving part 5 is inclined to be away from the axis P of the lower column member 1 as it goes upward, and the support part 14 is inclined away from the axis P of the lower column member 1 as it goes downward.
It is inclined so as to approach the axis P of.

[0005]

[Operation] When the upper column member 2 is adjusted to a constant height as shown in FIGS. 1(a) and 2 and 3, both supporting pieces 8 P, the female threaded portions 12 of both support pieces 8 are screwed into the male threaded portions 13 of the upper column member 2, and the support portions 14 of both support pieces 8 receive the pressure of the lower column member 1. The weight on the upper column member 2 side acts as a force that presses the female threaded portions 12 of both support pieces 8 against the male threaded portion 13 of the upper column member 2 in both the support portions 14 and the pressure receiving portion 5 .

On the other hand, when adjusting the height of the upper column member 2, first, as shown in FIG.
is lifted, and both supporting pieces 8 are moved in a direction away from the axis P of the upper column member 2 by the connecting member 6, and the female threaded portions 12 of both supporting pieces 8 are separated from the male threaded portion 13 of the upper column member 2. In this state, the upper column member 2 is moved relative to the lower column member 1 in the direction of their axis P to determine the height of the upper column member 2. While maintaining the height, both supporting pieces 8 are moved downward together with the connecting member 6, and both supporting pieces 8 are moved by the connecting member 6 in a direction approaching the axis P of the upper column member 2, as shown in FIG. As shown, the female threaded portions 12 of both support pieces 8 are screwed into the male threaded portions 13 of the upper column member 2, and the support portions 14 of both support pieces 8 are brought into contact with the pressure receiving portion 5 of the lower column member 1.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A pipe support according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 5. The pipe support consists of a tubular lower column member 1, a tubular upper column member 2, and a height adjustment mechanism 3, and the upper column member 2 is inserted from the upper end of the lower column member 1 and adjusted in the direction of their axis P. It is possible to move to. A base plate 1a is welded to the lower end of the lower column member 1, and a receiving plate 2a is welded to the upper end of the upper column member 2. Next, the height adjustment mechanism 3 will be explained in detail.

An enlarged diameter portion 4 is formed at the upper end of the lower column member 1, and the inner circumferential surface of the enlarged diameter portion 4 has a tapered pressure receiving portion that slopes away from the axis P as it goes upward. Side 5
is formed. On this enlarged diameter portion 4, the lower column member 1
A cylindrical connecting member 6 is inserted into the outer periphery of the connecting member 6 . Legs 7 are protruded from both sides of the lower end of the connecting member 6, and the legs 7 are fitted into the outer periphery of the enlarged diameter portion 4 of the lower column member 1, so that the connecting member 6 is pulled upward from the lower column member 1. There is no such thing. Since there is play between the leg portions 7 and the enlarged diameter portion 4, the connecting member 6 can rotate relative to the upper and lower pillar members 2, 1 about their axes P. It may move slightly in the direction.

Support pieces 8 are disposed within the connecting member 6 on both sides of the outer periphery of the upper column member 2. As shown in FIG. Openings 9 are formed on both sides of the connecting member 6, and bifurcated shaft supports 10 formed at the upper ends of both supporting pieces 8 are inserted into the openings 9 and protrude to the outside of the connecting member 6. A gripping rod 11 is connected to this double shaft support 10 by a pin 11a on the outside of the connecting member 6, and is rotatable on a vertical plane along the axis P of the upper and lower pillar members 2, 1. Both gripping rods 11 are normally suspended from the pivot support 10 due to their weight. Both support pieces 8
The shaft support 10 is regulated by this opening 9, and both the upper and lower column members 2
, 1 can move only in one direction on a horizontal plane perpendicular to the axis P of the two. A female threaded portion 12 is formed inside the lower end of both support pieces 8, and a male threaded portion 13 is formed on the outer periphery of the upper column member 2 between its upper and lower ends. This male thread part 1
3 can be screwed together. A support surface 14 is formed on the outer side of the lower end of both support pieces 8 and is inclined toward the axis P of the lower column member 1 as it goes downward.

As shown in FIGS. 1(a) and 2 and 3, when the upper column member 2 is adjusted to a constant height, the shaft supports 10 of both support pieces 8 are connected to both openings 9 of the connecting member 6. The female screw portions 12 of both support pieces 8 are screwed together with the male screw portions 13 of the upper column member 2, and the support surfaces of both support pieces 8 are moved closer to the axis P of the upper column member 2. 14 abuts on the pressure-receiving surface 5 of the enlarged diameter portion 4 of the lower column member 1, and the total weight of the upper column member 2, height adjustment mechanism 3, etc. is transferred between the support surfaces 14 and the pressure-receiving surface 5 of both support pieces 8. It acts as a force that presses the female threaded portion 12 against the male threaded portion 13 of the upper column member 2.

Note that the pressure receiving surface 5 of the enlarged diameter portion 4 and the support piece 8
Even if only one of the supporting surfaces 14 is inclined as described above and the other is just a contact portion, the same function can be achieved. Although not shown, when constructing a floor, after determining the height of the upper column member 2, the base plate of the lower column member 1 is
Place a on the support plate on the base and fix it with nails or bolts. Next, when both gripping rods 11 are raised horizontally and rotated around the axis P of both upper and lower pillar members 2 and 1, the support surfaces 14 of both support pieces 8 receive the pressure of the enlarged diameter portion 4 of the lower pillar member 1. Both supporting pieces 8 and the connecting member 6 rotate while remaining in contact with the surface 5, and the rotation is transmitted from the female threaded portion 12 of both supporting pieces 8 to the male threaded portion 13 of the upper column member 2, and the upper column is rotated. The member 2 moves in the direction of the axis P with respect to the lower column member 1 and the height adjustment mechanism 3. Although not shown, by this fine adjustment, the receiving plate 2a of the upper column member 2 comes into contact with the supporting plate of the frame, and the receiving plate 2a is fixed to this supporting plate with nails or bolts.

[0012] In this way, a plurality of pipe supports are positioned between the base and the frame at appropriate intervals according to strength calculations. Next, the gripping rods 11 of each pipe support are rotated as described above to finely adjust the height of the upper column member 2, and the upper column member 2 is set in a horizontal state with the frame. After that, concrete is poured over the frame to construct the floor. On the other hand, when adjusting the height of the upper column member 2 before fixing the pipe support to the support plate of the foundation or the support plate of the frame, first, as shown in FIG. Raise the gripping rod 11 horizontally to lift up both supporting pieces 8 and the connecting member 6, and move the shaft supports 10 of both supporting pieces 8 in the direction away from the axis P of the upper column member 2 through both openings 9 of the connecting member 6. move it,
Connect the female threaded portion 12 of both support pieces 8 to the male threaded portion 13 of the upper column member 2.
away from. In this state, the upper column member 2 is moved relative to the lower column member 1 in the direction of their axis P to determine the height of the upper column member 2. While moving both support pieces 8 downward together with the connecting member 6 while maintaining the height, the shaft support 10 of both support pieces 8 is
are moved toward the axis P of the upper column member 2 through both openings 9 of the connecting member 6, and as shown in FIG.
The female screw portion 12 of the upper column member 2 is screwed into the male screw portion 13 of the upper column member 2, and the support surfaces 14 of both support pieces 8 are brought into contact with the pressure receiving surface 5 of the enlarged diameter portion 4 of the lower column member 1. After that, the work of fixing this pipe support to the support plate of the foundation or the support plate of the frame is as described above.

Particularly, in the pipe support according to this embodiment, both support pieces 8 are adjusted by the height adjustment mechanism 3 as described above.
The height of the upper column member 2 relative to the lower column member 1 can be easily adjusted by simply moving the connecting member 6 up and down in a small range using both gripping rods 11. In addition, when the upper column member 2 is positioned at a predetermined height with respect to the lower column member 1, the support surfaces 14 of both supporting pieces 8 and the pressure receiving surface 5 of the enlarged diameter portion 4 of the lower column member 1 are used to support the upper column member 2 and the lower column member 1. Since the entire weight of the upper column member 2 including the weight of the height adjustment mechanism 3 is received, the weight acts as a force to press the female threaded portion 12 of both support pieces 8 against the male threaded portion 13 of the upper column member 2, and the upper column member 2 can be positioned reliably without fear of it falling down carelessly.

In this case, since the locking between both support pieces 8 on the lower column member 1 and the upper column member 2 is performed by the female threaded portion 12 and the male threaded portion 13, the locking strength is increased and the locking strength is increased. The load that can be supported by the main pipe support increases. Further, since the female threaded portion 12 that is screwed into the male threaded portion 13 of the upper column member 2 is formed in a pair of support pieces 8 separated from each other, there is no need to increase the screw precision between them.

[0015]

[Effects of the Invention] According to the support for civil engineering and construction temporary work according to the present invention, the height of the upper column member 2 can be easily adjusted by simply moving each support piece 8 and the connecting member 6 up and down. . Also, the weight on the upper column member 2 side is the female threaded portion 12 of each support piece 8.
acts as a force to press against the male threaded portion 13 of the upper column member 2, so there is no fear that the upper column member 2 will fall inadvertently, and its positioning can be performed reliably.

Further, since the female threaded portion 12 that is screwed into the male threaded portion 13 of the upper column member 2 is formed on each support piece 8 separated from each other, there is no need to increase the thread precision between them.

[Brief explanation of the drawing]

FIG. 1 (a) is a partially cutaway sectional view showing a pipe support according to the present embodiment adjusted to a certain height, and (b) is a right side view of the pipe support in the state shown in (a). It is a front view.

FIG. 2 is a partially enlarged sectional view showing a height adjustment mechanism of the pipe support in the state shown in FIG. 1(a).

FIG. 3 is a sectional view taken along the line XX in FIG. 2;

FIG. 4 is a partially enlarged cross-sectional view of the height adjustment mechanism showing the middle of the adjustment operation when adjusting the pipe support in the state shown in FIG. 1(a) to a different height.

FIG. 5 is a partially cutaway sectional view showing the pipe support after adjustment.

FIG. 6 is a front view showing a conventional pipe support.

[Explanation of symbols]

1 Lower column member, 2 Upper column member, 3 Height adjustment mechanism, 5 Pressure receiving surface (pressure receiving portion), 6 Connecting member, 8 Support piece, 12 Female threaded portion, 13 Male threaded portion, 14 Support surface (supporting portion), P Shaft heart

Claims (3)

[Claims] [Claim 1] Upper column member (2) with respect to lower column member (1)
are inserted and fitted so as to be movable in the direction of their axis (P), and a plurality of support pieces (8) arranged on the outer periphery of the upper pillar member (2) on the lower pillar member (1) are inserted into the connecting member (6). ),
Each support piece (8) is made rotatable about the axis (P) of both the upper and lower pillar members (2, 1), and moved in the direction toward and away from the axis (P). each support piece (8) has a female threaded portion (12) that can be screwed into a male threaded portion (13) formed on the upper column member (2);
A support for temporary construction work in civil engineering and construction, characterized in that a support part (14) that can come into contact with a pressure receiving part (5) formed on a lower column member (1) is formed. 2. In claim 1, the connecting member (6) is inserted into the outer periphery of the upper pillar member (2) on the lower pillar member (1), and the axis of both the upper and lower pillar members (2, 1) is aligned ( P), as well as movable in the direction of their axis (P),
Attach each supporting piece (8) to this connecting member (6) on both upper and lower pillar members (
2. A support for temporary construction work in civil engineering and construction, characterized in that it is supported movably in directions toward and away from the axis (P) of 1). 3. In claim 1 or claim 2, the pressure receiving part (5) on the lower column member (1) is inclined so as to move away from the axis (P) of the lower column member (1) as it goes upward. At the same time, each support piece (8) that comes into contact with this pressure receiving part (5)
) support part (14) of the lower column member (1
) A support for temporary construction work in civil engineering and construction, characterized in that it is inclined so as to approach the axis (P) of the structure.