JP6304696B2 - Temporary structure floor plate fixing tool - Google Patents

Description

  The present invention relates to a floor plate fixing tool for a temporary structure, and more particularly to a fixing tool suitable for fixing a floor plate of a gantry.

The gantry, which is one of the temporary structures, is a facility constructed to a certain height with temporary columns, floors, etc., and is used as a work platform and scaffolding for temporary roads, material accumulation and construction machinery, etc. ing.
The one shown in Patent Document 1 is an example, and a large number of support columns are arranged in parallel at predetermined intervals in the left-right and front-rear directions, and a horizontal member is connected between the adjacent support columns. A plurality of horizontal members are arranged at intervals in the vertical direction, and a quadrangular frame is formed by the adjacent struts and the horizontal members, and further, braces are spanned between diagonal portions of the quadrangle frame. . A framework structure is constructed by such a combination.

JP 2011-38352 A JP 2006-23410 A

  On the upper side of the column, a large pulling material is stretched, a joist is laid on it, and the large pulling and joist are arranged in a grid, and the floor board is laid on the joist The floorboard is constructed on the top surface. This floor board material is a two-layer structure with the lower side made of wood and the upper side made of iron, and the top is made of steel, so that the floor is strong even when heavy vehicles such as caterpillar cars and large dump trucks run. To withstand.

Thus, up to temporary roads where vehicles such as scaffolding platforms and 2 ton and 3 ton trucks run can be adequately handled with wooden boards, and recently, there is a tendency to avoid laying iron plates. There is.
However, since the floorboard material consists only of cut plates, when the top surface is composed only of lightweight wooden cut plates, when the vehicle runs or is hit by the wind from below, There is a risk of getting out of touch.
For this reason, usually, a hole is made in the cut plate, and it is bound and fixed to a post or horizontal member through a number wire, but the number wire is relatively easy to stretch, and when the number wire jumps out, it becomes easy to catch. Therefore, it is necessary to replace the wire frequently.

  By the way, even in the case of laying an iron cut board as a floor board material for vehicle travel, it may be fixed in order to increase the safety factor. In such a case, it is conventionally fixed by welding. The person has previously proposed the use of a special fixing tool in Patent Document 2 to enable fixing without welding, but this fixing tool is provided with a screw hole on the iron plate side. Therefore, it cannot be applied to wooden cutting boards.

  The present invention has been made paying attention to the above-mentioned conventional problems, and when the above-described fixing tool is further devised, when the floor plate of the temporary structure is configured with a wooden cut plate, the wire is replaced with a wire. It is an object of the present invention to provide a fixing tool suitable for fixing a floor board.

  The present invention has been made in order to solve the above-mentioned problems, and the invention of claim 1 is a fixture for a laid cut plate constituting a floor plate of a temporary structure, which is opposed to each other in the vertical direction. Two sets of a relay body having two female screw portions related to a reverse screw, a male screw portion screwed into the female screw portion of the relay body at both ends, and a shaft portion each having a hook-shaped hook portion. A contact plate and an attachment body provided with a suspension portion for a latching portion attached to a plate surface on the contact side of the contact plate, and the two sets of the female screw portions of the relay body From the upper side, each male threaded portion of the shaft portion is screwed from the upper side and the lower side to be connected and integrated, and the contact plate of the mounting body straddles the upper plate surface of two adjacent cut plates. When the contact is made, the hook portion of the upper shaft portion is attached to the hook portion for the hook portion protruding from the gap between the two cut plates. The latching portion of the lower shaft portion is suspended by a member on the frame structure side of the temporary structure, and the cut plates are connected under tension by screw tightening, and the frame structure side It is the floor-plate fixing tool of the temporary structure characterized by being fixed to.

  According to a second aspect of the present invention, in the floor plate fixture of the temporary structure according to the first aspect, the suspension portion for the hanging portion of the attachment body includes a suspension plate, and a hole formed in the suspension plate. The floor plate fixture is characterized in that the plate thickness side abuts and is fixed to the contact body and has a T-shape or an inverted L-shape when viewed from the plate thickness side.

  According to a third aspect of the present invention, in the floor plate fixture of the temporary structure according to the first or second aspect, the latching portion of the lower shaft portion has an embedding shape corresponding to the outer shape of the member on the suspension side. It is the floor board fixture characterized by becoming.

  According to a fourth aspect of the present invention, in the floor plate fixture of the temporary structure according to any one of the first to third aspects, the latching portion of the upper shaft portion can be closed and formed into an annular shape. It is a floor board fixture characterized by this.

If the floorboard fixture of the present invention is used, the floorboard of the temporary structure is composed only of a wooden cutting board, and even if no iron plate is placed thereon, a special workmanship is provided on the side of the frame structure of the cutting board or temporary structure. It can be fixed easily and firmly without having to
Moreover, the kind of the above-mentioned cutting board is not specifically limited on the floor board fixing tool of this invention, It is applicable also when fixing an iron cutting board, and also fixing a panel.

It is a perspective view of the floor-plate fixing tool of the temporary structure which concerns on embodiment of this invention. It is explanatory drawing of the fixed state using the floor board fixture of FIG. It is a top view of the gantry using the fixed state of FIG. FIG. 4 is a cross-sectional view taken along line AA in FIG. 3. FIG. 5 is a partial cross-sectional view in a direction perpendicular to FIG. 4. It is a figure which shows the usage different from FIG.

The structure of the floor board fixture 1 which concerns on embodiment of this invention is demonstrated according to FIG.
This floor board fixture 1 is made of steel.
Reference numeral 3 denotes a relay body. The relay body 3 forms an elongated oval ring, and the intermediate portion is parallel. The width of the intermediate portion is not so large and can be sufficiently grasped with one hand. Further, both end portions in the long axis direction are somewhat thickened, and screw holes are formed in the respective end portions to form female screw portions 5 and 7. The female screw portions 5 and 7 are positioned coaxially and face each other vertically. Furthermore, the female screw portion 5 and the female screw portion 7 have a reverse screw relationship with each other.

Reference numerals 9 and 15 denote shaft portions. The shaft portions 9 and 15 are arranged above and below the relay body 3, and the shaft portion 9 is located on the upper side and the shaft portion 15 is located on the lower side.
A screw is formed on the outer peripheral surface on the lower end side in the axial direction of the shaft portion 9 to form a male screw portion 11, and the upper end side is bent to form a hook-shaped hook portion 13. The male screw portion 11 is formed so as to be screwed into the female screw portion 5 of the relay body 3 described above. Accordingly, when the male screw portion 11 of the shaft portion 9 is inserted into the female screw portion 5 of the relay body 3 from the upper side and screwed, the screw can be advanced and retracted.
The shaft portion 15 is configured upside down in the same manner as the shaft portion 9, but the upper end side in the axial direction of the shaft portion 15 is a male screw portion 17, and the lower end side is a hook-shaped latching portion 19. It has become. Therefore, when the male screw portion 17 of the shaft portion 15 is inserted into the female screw portion 7 of the relay body 3 from the lower side and screwed, the screw can be advanced and retracted.

As described above, the shaft portion 9 is connected to the relay body 3 from the upper side, and the shaft portion 15 is connected from the lower side to have an axial shape. Since the vertical dimension in the ring of the relay body 3 is set sufficiently long with respect to the length dimension of the male screw parts 11 and 17 of the shaft portions 9 and 15, both are maximum in the ring of the relay body 3. Even if you get in, you won't win.
When the relay body 3 is rotated around the axis with the long axis direction as the axial direction with respect to the shaft portions 9 and 15 due to the reverse screw relationship described above, the inside of the relay body 3 of both the shaft portions 9 and 15 When the male threaded portion 11 of the shaft portion 9 retreats into the ring of the relay body 3, the male threaded portion 17 of the shaft portion 15 also retreats into the ring of the relay body 3, so that the shaft When the male screw portion 11 of the portion 9 advances outside the ring of the relay body 3, the male screw portion 17 of the shaft portion 15 also advances outside the ring of the relay body 3.

Reference numeral 21 denotes an attachment body, and the attachment body 21 is composed of two thin plate members. The upper square plate material is a contact plate 23. The contact plate 23 has a rectangular shape close to a square, and the difference between the long dimension and the short dimension is not large.
A suspension plate 25 is fixed to the lower surface of the contact plate 23 by welding. The suspension plate 25 has a rectangular shape as a whole, but one short edge side is rounded to form a semicircular edge 26. A round hole 27 is formed through the arcuate edge 26 side. The size and position of the hole portion 27 are adjusted so that the hook portion 13 of the shaft portion 9 can be easily hooked.

The suspension plate 25 is fixed so that the plate thickness portion at the upper end overlaps the longitudinal center line of the contact plate 23 with both plate surfaces facing left and right and the arcuate edge 26 facing downward. ing. The suspension plate 25 is accommodated in the edge portion of the contact plate 23 and does not protrude outward.
The plate surfaces of the suspension plate 25 and the contact plate 23 intersect each other vertically, and when the suspension plate 25 is viewed from the plate thickness portion in the left-right direction, the attachment body 21 has a T shape.

The floor plate fixture 1 is configured as described above, and is used to fix the cut plates 29 arranged as shown in FIG.
The cut plate 29 is made of wood and constitutes a part of the gantry 31 shown in FIGS. In both cases, the use state of the fixture 1 is shown. In FIG. 3, a top view is shown, FIG. 4 is a sectional view taken along line AA, and FIG. 5 is a partial sectional view perpendicular to FIG. Yes.
This gantry 31 is erected in such a manner that a large number of support pillars 33, 33,... The adjacent support columns 33 and 33 are connected to each other by a pipe 35 as a horizontal member through a pipe fixing bracket 37. A plurality of pipes 35 are arranged at intervals in the vertical direction, and a quadrangular frame is formed by the adjacent support columns 33 and 33 and the pipes 35 and 35, and further, struts are formed between diagonal portions of the frame (illustrated). The frame structure is constructed by a combination of the support 33, the pipe 35 and the braces.

On the upper side of the support column 33 of the framework structure, the extended member 41 is stretched between the support columns 33 in a state of being fixed through the extended member fixing bracket 39, and a joist member 43 is erected thereon. In addition, the large pull material 41 and the joist material 43 are arranged in a lattice shape in a top view. And the cut board 29 as a floor board material is arranged on the joist 43. As shown in FIG. 3, they are arranged vertically and horizontally, and both short edges of the cut plate 29 are both supported by the joists 43 and 43. A small gap 45 is formed between the adjacent cut plates 29 and 29.
The floor board fixture 1 connects the cut plates 29 and 29 arranged side by side and fixes the pipes 35 to the pipe 35 in the following procedure.

The shaft portion 9 to the relay body 3 to the shaft portion 15 are integrated into a shaft shape by screwing so that both ends become the hook portions 13 and 19. In this state, the connecting shaft 47 is used for convenience of explanation.
Then, the suspension plate 25 of the attachment body 21 is inserted into the gap 45 between the cut plates 29 and 29 from the arcuate edge 26 side. The suspension plate 25 enters the gap 45, and the lower surface of the contact plate 23 contacts the upper surface of the cut plate 29. At this time, the contact plate 23 is in a state of straddling the upper surfaces of the cut plates 29 and 29 on both sides with the gap 45 interposed therebetween. Further, the arcuate edge portion 26 side of the suspension board 25 protrudes from the lower surfaces of the cut plates 29 and 29 through the gap 45.

The hook portion 13 of the shaft portion 9 is inserted into the hole portion 27 of the suspension plate 25 protruding downward to be hooked, and the pipe 35 horizontally mounted on the column 33 side is hooked to the shaft portion 15. The part 19 is embraced from below.
Since the length of the connecting shaft 47 can be adjusted by rotating the relay portion 3, the above-described latching portions 13 and 19 can be easily latched.
Thereafter, when the connecting shaft 47 is contracted and tensioned, the cut plates 29 and 29 are pressed and fixed to the joist 43 side as shown in FIGS.
Since the tension is released when the connecting shaft 47 is extended, the floor board fixture 1 can be easily removed, and the work load is reduced when the gantry 31 is disassembled.

In addition, as shown in FIG. 3, the floor board fixture 1 is attached not only so as to straddle the two cut plates 29, 29 but also to straddle the four cut plates 29, 29, 29, 29. You can also.
If it fixes using this floor-plate fixing tool 1, the several cut board 29 can be efficiently fixed simultaneously using the clearance gap 45 well.

Further, in place of the attachment body 21, as shown in the enlarged perspective view of FIG. 5, a contact plate 49 in which the size of the contact plate 23 is halved is used, and the suspension plate 25 is inverted L-shaped at the edge thereof. A mounting body 51 fixed in a shape can also be used.
If the attachment body 51 is attached to the cut plate 29 arranged on the edge side of the floor board, the metal fitting does not protrude outward. In addition to the case where the two cut plates 29 and 29 are connected, it is possible to attach the cut plate 29 alone to the single cut plate 29.
By using the attachment body 51 in combination, it becomes possible to reliably prevent the rising up by fixing all the cutting plates 29 including the cutting plate 29 arranged on the edge side of the floor board at a plurality of locations. ing.

The embodiment of the present invention has been described in detail above. However, the specific configuration is not limited to this embodiment, and the present invention can be changed even if there is a design change without departing from the gist of the present invention. included.
For example, in the above embodiment, the large pulling material is fixed to the column side by the fixing bracket, but there is a case where the large pulling is attached to the column and simply placed on the column, in such a case, The large draw material is also fixed together.

Moreover, the floor board fixture 1 can also be used as follows.
As shown in FIG. 6, after the hook portion 13 of the shaft portion 9 is hooked in the hole portion 27 of the attachment body 21, the hook open portion is closed by the plastic working to form the annular body 53, and the other shaft portion 15. Is screwed to the relay body 3. That is, the floor board fixture 1 is separated into (attachment 21 to shaft 9) and (relay 3 to shaft 15).
Then, the attachment body 21 is attached to the cutting plate 29, and after the shaft portion 15 is hooked on the pipe 35, the shaft portion 9 and the relay body 3 are connected (screwed together).
The connection (screwing) between the shaft portion 9 and the relay body 3 is easier to work than the connection (hanging) between the attachment body 21 and the shaft portion 9. Moreover, since the latching | locking part 13 of the shaft part 9 is the closed annular body 53, the shaft part 9 does not remove | deviate from the attachment body 21 during said operation | work.

When the floor plate fixture 1 is installed after all the cut plates 29 have been laid, for example, when the floor plate fixture 1 is replaced, there is no gap 45 through which the relay body 3 can be inserted. As shown in FIG. 1, (attachment body 21) and (shaft portion 9 to relay body 3 to shaft portion 15) are separated.
However, since the cut plate 29 is normally laid in order from the fixed reference point, that is, the cut plate 29 is laid in order from one side end, the attachment body 21 is attached to the shaft between the cut plate 29 lays. It can attach in the state which connected the part 9, and the installation operation | work of the attachment body 21 can be advanced in the state which connected the relay body 3 to the attachment body 21 side.

  It has applicability to the manufacturing industry of the gantry, civil engineering business and construction industry.

DESCRIPTION OF SYMBOLS 1 ... Floor board fixing tool 3 ... Relay body 5, 7 ... Female thread part 9, 15 ... Shaft part 11, 17 ... Male thread part 13, 19 ... Hanging part 21 ... Attachment body 23 ... Contact body 25 ... Suspension board 26 ... Arc-shaped edge 27 ... Hole 29 ... Cut plate 31 ... Ground 33 ... Staff 35 ... Pipe 37, 39 ... Fixing bracket 41 ... Large material 43 ... Saddle material 45 ... Gap 47 ... Connecting shaft 49 ... Contact plate 51 ... Attachment body 53 ... Ring body

Claims (4)

A fixture for a laid cut board that constitutes a floor board of a temporary structure,
A relay body provided with two female screw portions facing each other in the vertical direction and having a reverse screw relationship with each other;
Two sets of shaft portions each having a male thread portion and a hook-shaped latching portion that are screwed into the female thread portion of the relay body at both ends,
A contact plate, and an attachment body provided with a suspension portion for a hook portion attached to a plate surface on the contact side of the contact plate,
The male screw portions of the two sets of shaft portions are screwed and connected to the two female screw portions of the relay body from the upper side and the lower side, and two contact plates of the mounting body are provided. When it is applied from the upper side so as to straddle the upper plate surface of adjacent cut plates, the hook portion of the upper shaft portion is attached to the hanging portion for the hook portion protruding from the gap between the two cut plates. The suspension portion of the lower shaft portion is suspended from a member on the frame structure side of the temporary structure, and the cut plates are connected under tension by screw tightening, and the frame structure A floorboard fixture for a temporary structure, characterized by being fixed to the body side. In the floor board fixture of the temporary structure according to claim 1,
The suspension part for the hanging part of the attachment body is composed of a suspension plate and a hole formed in the suspension plate, and the plate thickness side abuts and is fixed to the contact body. A floor board fixture having a T-shape or an inverted L-shape in a thick side view. In the floor board fixture of the temporary structure according to claim 1 or 2,
The floor plate fixture according to claim 1, wherein the hook portion of the lower shaft portion has an embedding shape corresponding to the outer shape of the suspension side member. In the floor board fixture of the temporary structure according to any one of claims 1 to 3,
The floor plate fixture according to claim 1, wherein the hook portion of the upper shaft portion can be closed and formed into an annular shape.

Images