JP3111929U - Stage deck connection device - Google Patents

Abstract

[PROBLEMS] To connect stage decks that can be connected easily and with little effort, and that decks can be firmly connected and inclined stages such as open book halls can be easily constructed. To get the equipment.
An upper frame 21 having a planar rectangular shape, a lower frame 22 having the same shape as the upper frame 21 arranged in parallel to the upper frame 21, and four corners of the upper frame 21 and the lower frame 22 are provided. A short column member that couples the short column members, and a bundle member 31 that is disposed between the short column members and that is coupled at both ends to the upper and lower frame bodies 22 and at an interval corresponding to the fork width of the forklift. A connecting device for the deck used when the decks are connected by bolting at least the bundle member 31 or the frame body in the stage deck in which the legs of the deck are coupled to the short column member 23. The connecting device includes a support portion 51 that is bolted to the lower frame body 22 of one deck, and the other deck 10 that is connected to the lower surface of the lower frame body 22 from the support portion 51. It and a bearing portion 52 for supporting from below at least the horizontally extending and the two frames 21 and 22 on the lower surface of the lower frame 22.
[Selection] Figure 4

Description

  The present invention relates to a connecting device for a stage deck (hereinafter referred to as “stage deck”).

  This type of deck is, for example, Steeldeck. Inc. Steeldeck (trade name) provided by (Steel Deck, Inc.) is well known.

  This stage deck is modularized, selecting the module size in consideration of the plane size of the stage, considering the height and load resistance, etc., and determining the number of pipe legs consisting of pipes that become posts, Build the necessary stages. In addition, on the basis of the deck, a number of accessory parts such as a stone thrust unit, guardrail unit, and stair unit that can be worn on the lower end of the pipe foot, a number of fitting parts such as a clip that fixes the brace to the pipe foot, and a coupler that connects the deck Many handling parts such as various wheel mechanisms can be selected and combined so that stages according to various needs can be constructed. The stage is assembled by carrying the deck to a predetermined place, turning the deck over, fitting the pipe feet into the pipe foot fittings at the four corners of each deck, and fastening the bolts to the pipe foot fittings.

  FIG. 8 shows an example of the deck. The deck P is made of a steel material, and includes a side wall S in which a truss is formed, and a pipe foot fitting portion L that is disposed at four corners of the side wall and to which both ends of the side wall are coupled. An upper plate T made of plywood is fixed to the upper part. A pipe foot C is fitted into each pipe foot fitting portion L, and is fixed to the pipe foot C by a push screw.

  The decks P are connected by a dedicated coupler 100 shown in FIG. The coupler 100 includes a support portion 101 having a flat seat surface, three protrusions 102 to 104 provided on the support portion 101 so as to form an angular interval of 90 ° with each other, and a clamp 105 attached to the pipe foot C of the deck. It is attached to the deck P by fitting it into the pipe foot of the deck P1, closing the clamp 105, and tightening the nut 106. As shown in FIG. 10, the decks are connected to each other such that the three protrusions 102 to 104 hit the inner walls forming the gap corners of the four pipe foot fitting portions L in the respective decks P <b> 2 to P <b> 4. This is done by fitting in gap corners of the pipe foot fitting portions L of three adjacent decks P2 to P4 and closing the clamp 105 so as to hold the pipe foot C1 of the deck P1. Therefore, when the coupler 100 is fitted, the outer surface of each pipe foot fitting portion L in the decks P1 to P4 hits to position the decks P1 to P4, and the height of the decks P1 to P4 is increased by the support portion 101. Be regulated.

  However, when this coupler 100 is used, one coupler 100 is used so that the three protrusions 102 to 104 of the coupler 100 come into contact with the inner walls forming the corners of the pipe foot fitting portions L. By temporarily fixing the pipe 100 to the pipe foot C and moving the coupler 100 along the three pipe legs C, adjusting the vertical position of the coupler 100 and performing the main fixing while aligning the height of the deck P, Since four decks are connected, a number of workers must support each heavy deck P and work on the bottom surface of each deck P, so considerable time and effort are required to connect the decks. is there.

  In view of the above, the present invention not only enables the connection work to be performed easily and with little effort, but also allows the deck to be firmly connected and to easily construct an inclined stage such as an open book hall. It is an object to obtain a connecting device for a stage deck capable of performing the above.

  In order to solve the above problems, a stage deck coupling device of the present invention includes an upper frame body having a planar rectangular shape, a lower frame body having the same shape as the upper frame body arranged in parallel with the upper frame body, Short column members that connect the four corners of the upper frame and the lower frame, and both ends of the short column members that are connected to the upper and lower frames and spaced at intervals corresponding to the fork width of the forklift And is used when the decks are connected to each other by bolting at least the bundle member or the frame in a stage deck in which the legs of the deck are coupled to the short column members. A connecting device for a deck, wherein the connecting device is bolted to a lower frame of one deck, and a lower frame of the other deck connected to the lower surface of the lower frame from the support. And it is characterized in that it comprises a bearing portion for supporting from below at least the horizontally extending and the both frame to the lower surface of the.

  The stage deck coupling device according to the present invention includes an upper frame having a planar rectangular shape, a lower frame having the same shape as the upper frame disposed in parallel with the upper frame, and four corners of the upper frame and the lower frame. And a bundle member disposed between the short column members and having both ends coupled to the upper and lower frame bodies and arranged at intervals corresponding to the fork width of the forklift. A connecting device for a deck used when connecting the decks by bolting at least the bundle member or the frame body in a stage deck that is coupled to a foot of the deck to the short column member, A connecting device that is bolted to the lower frame of one deck, and extends horizontally from the support to the lower surface of the lower frame and the lower surface of the lower frame of the other deck to be connected; Since it has a supporting part that supports the frame from at least the bottom, not only can the connection work be done easily and with little effort, but also the decks can be firmly connected, Even tilted stages can be easily constructed.

  That is, after the connecting device of the present invention is attached to one deck, the decks can be connected by simply placing the connecting deck on the carrying portion of the connecting device and fastening the decks with bolts. At this time, since the carrying portion extends horizontally from the support portion to the lower surface of the lower frame and the lower surface of the lower frame of the adjacent deck, the deck is positioned only by placing the adjacent deck to be connected from the upper portion on the carrying portion. In addition, since the bundle members are arranged at intervals corresponding to the fork width of the forklift, the deck can be moved by the forklift, so that even a small number of workers can connect the decks. In addition, the work can be performed in a short time and labor-saving.

  In addition, the built stage is not only bolted between the decks, but also the connecting device itself is firmly fixed to the deck by bolting the support part to the lower frame, and the support part integrated with the support part Since the adjacent decks are supported, and the decks are firmly coupled to each other and integrated, the load-bearing performance is increased, and the number of pipe feet in the corners to be superposed can be reduced in the connection deck.

  Moreover, even if the entire connecting deck is inclined, not only the decks are bolted together, but also the carrying part of the connecting device carries the deck to which this is fixed and the adjacent deck, so the mechanical strength is high. An inclined stage such as an open book hall can be easily constructed.

  Embodiments of a stage deck coupling device according to the present invention will be described below with reference to the drawings. In the attached drawings, FIG. 1 is a plan view showing an embodiment of the coupling device of the present invention, FIG. 2 is a view taken along the line AA of FIG. 1, FIG. 3 is a left side view of FIG. FIG. 5 is a perspective view showing an example of a stage deck in which the connecting device shown in FIGS. 1 to 4 is incorporated, and FIG. 6 is a connecting device shown in FIGS. 1 to 4 for the stage deck. FIG. 7 is a side view of an example of an open book building constructed using the connecting device shown in FIGS. 1 to 4.

  The connecting device described as an embodiment is used to connect the stage decks illustrated in FIG.

  The deck 10 illustrated in FIG. 5 is modularized, and a plurality of types having different module sizes are prepared. For example, a plane is formed in a rectangular shape, and vertical and horizontal dimensions of 1818 mm × 1212 mm, 1818 mm × 909 mm, 1818 mm × 1818 mm, and the like are prepared. The deck 10 shown in the drawing has a vertical and horizontal dimension of 1818 mm × 1212. The deck itself includes an upper frame 21, a lower frame 22 arranged in parallel with the upper frame 21, and the upper frame 21 and the lower frame. 22 and short column members 23 that connect the four corners of 22.

  The upper frame 21 is formed of a welded structure formed in a ladder shape by a pair of cross-through members 24 and a vertical pass-through member 26 which are hollow structures such as steel square pipes. A crossing member is also disposed between the crossing members 24, and both ends thereof are welded to the crossing member 24 and the longitudinal member 26. The lower frame body 22 is also formed in a ladder shape by a pair of crossing members 27 and a vertical threading member 29 made of a hollow structure such as a steel square pipe, and the crossing member 28 is disposed between the crossing members 27. It consists of a welded structure. The frame bodies 21 and 22 are arranged in parallel to each other with an interval between them, and both ends are welded to the short column members 23 arranged at the four corners of the frame bodies 21 and 22. The short column member 23 is also made of a steel square pipe, and the side surface is welded to the end portions of the cross members 24 and 27 of the frames 21 and 22. The upper end of each short column member 23 is closed, but the lower end is open. A bundle member 31 is disposed between the short column members 23. The bundle member 31 is also made of a steel pipe, and both ends thereof are welded to the transverse members 24, 27, 25, 28 and the longitudinal members 26, 29 by welding. The interval w between the bundle members 31 positioned in the short direction of the deck 10 and connecting the longitudinal members 26 and 29 is the same as that of the bundle member 31 positioned in the longitudinal direction and connecting the transverse members 24 and 27. Although it is shorter than the interval, it forms an interval wider than the width of the two forks of the forklift, and the interval f between the adjacent bundle members 31 forms an interval wider than the width of each fork.

  In the transverse member 24 and the longitudinal member 29 of the lower frame 22, and the bundle member 31 that couples these members 24 and 29, there are connecting holes 32 of the deck 10 for fastening the adjacent decks 10 with bolts. Is provided. A collar is inserted into each deck connecting hole 32 by bridging the side wall of the bundle member 31 and welded. Further, a breather mounting hole 34 is provided in the transverse member 24 and the longitudinal member 29 of the lower frame 22. Each breath mounting hole 34 is for connecting a brace or brace, and an embedded nut is coaxially arranged inside the longitudinal member 29. Each embedding nut is engaged with the transverse member 24 and the longitudinal member 29 and fixed by welding. In addition, a number of members 37 for fixing the floor panel 36 made of plywood to the upper frame 21 are fixed by welding. These floor panel fixing members 37 are fixed to the cross members 24 and 25 and the vertical members 26 by welding.

  As described above, the deck 10 is modularized, and a plurality of types having different module sizes are prepared. The deck of each module has a transverse material 25 and a longitudinal material 26 according to the size and load bearing performance. Although the number and arrangement of the bundle members 31 are different, the thickness of the deck, the size of the short column member 23, the hole diameter of the deck connecting hole 32, the hole diameter of the breath attaching hole 34, and the like are the same. .

  The connecting device according to the present invention is indicated generally by the reference numeral 50 in FIG. As shown in FIGS. 1 to 4, the connecting device 50 includes a tongue-like support 51 that is bolted to the lower frame 22 of one deck 10 and the two decks 10 to be connected. A carrier 52 for supporting the constituent members of the lower frame 22 from below is provided.

  The support part 51 is made of a plate material having a substantially L-shaped side cross section formed by a standing wall part 51a and a bottom wall part 51b. The supporting portion 52 includes a standing wall-like back wall 53 positioned on a lateral extension line of the standing wall portion 51a in the support portion 51, an upper wall 54 extending horizontally from the upper end edge of the back wall 53 to the front, and a lower end edge. It consists of a substantially U-shaped or jaw-shaped cross-section member formed by a lower wall 55 extending forward in parallel with the upper wall 54. Reference numeral 53a denotes a flange-like reinforcement frame attached to the outer periphery of the substantially U-shaped back wall 53, upper wall 54, and lower wall 55. In the present invention, three substantially U-shaped walls 53 to 55 and a reinforcing frame 53a may be integrally formed. The lower wall 55 of the carrier 52 has a length that is at least twice the width of the longitudinal member 29, and the tip 57 is bent upward. The vertical width of the opening formed by the upper and lower walls 54 and 55 in the carrier 52 corresponds to that of the longitudinal member 29 of the deck 10.

  On the other hand, in the support portion 51, a plate member 58 that overlaps the front surface of the back wall 53 is laminated on the front surface of the standing wall 51a, and the plate member 58 and the back wall 53 are fixed by welding. Further, the standing wall 51a has a plate member 59 on the front surface thereof, so that the support portion 51 as a whole extends vertically to the vertical standing wall portion 51a that contacts the back surface of the crossing member 27 and the bottom surface of the crossing member 27. The bottom wall portion 51b has an L-shaped cross section, and the standing wall portion 51a is provided with a fixing hole 56 having a hole diameter corresponding to the breath attachment hole 34 in the longitudinal member 29 of the deck 10. .

  As described above, the plate member 58 extending from the standing wall portion 51a of the support portion 51 and positioned integrally with the back wall 53 of the support portion 52 is positioned so that the support portion 52 and the support portion 51 are integrated. The formed connecting device 50 is formed. In addition, in the standing wall part 51a of the said support part 51, the board member 59 of the same thickness is arrange | positioned maintaining the space | interval with the board member 58 arrange | positioned in the front surface. A fixing hole 56 is formed in the standing wall portion 51 a between both plate members 58 and 59.

  As illustrated in FIG. 4, the coupling device 50 makes the fixing hole 56 of the support portion 51 coincide with the breath mounting hole 34 provided in the longitudinal member 29 and the plate members 58 and 59 are disposed in the longitudinal member 29. The vertical threading member 29 is fitted into the openings formed by the upper and lower walls 54 and 55 of the holding portion 52 and temporarily fixed to the vertical threading member 29. The connecting device 50 is fixed by fitting the bolts 60 into the holes 56 and 34 and screwing the bolts 60 into the embedded nuts inside the longitudinal member 29. The longitudinal member 29 of the adjacent deck 10 to be connected is placed on the lower wall 55 of the carrying portion 52, and the bundle member 31 and the longitudinal member 29 in both decks 10 are bolts 61 and nuts (not shown). It is concluded by. By this fastening, the adjacent deck 10 is fastened by the bolt 61, and at the same time, the lower surfaces of both are supported by the lower wall 55 of the carrier portion 52 in the connecting device 50, so that the mechanical strength of the coupling is improved.

  As described above, in the coupling device 50 according to the present invention, when the adjacent decks 10 are coupled, the decks are positioned by simply placing the adjacent deck 10 on the lower wall 55 of the carrying portion 52 of the coupling device 50 from above. In addition, since the fork of the forklift can be inserted between the bundle members 31, the deck 10 can be moved by the forklift, and therefore the stage construction work can be performed in a short time with a small labor load. it can.

  FIG. 6 shows a state of connecting and assembling the deck 10 using the connecting device 50 of the present invention. Here, for example, four decks 10 are connected, and the connecting device 50 connects adjacent decks. Normally, the number of pipe legs 11 supporting one deck 10 is four provided at the four corners of each deck 10, so 16 decks are required for the four decks 10, but the inventive coupling device 50 is used. As a result, nine pipe legs 11 are sufficient as shown in FIG. That is, the corners of the decks 10 where the pipe feet 11 overlap are connected and integrated with each other by the connecting device 50, so that one foot 11 can be shared. When the number of decks 10 is further increased, another deck 10 (not shown) is coupled from the direction indicated by the arrow 63 in FIG.

  As described above, the coupling device 50 according to the present invention has a high mechanical strength of the stage constructed by coupling the decks 10, so that the deck 10 having an inclined top surface as shown in FIG. Even when receiving a component of vertical load, it is possible to obtain a firm tilt stage in which no shift occurs in the connected portions of the connected decks 10. In this case, it is preferable to position the back wall 53 of the coupling device 50 on the lower frame on the downstream side of the deck gradient, in other words, to arrange the opening of the supporting portion 52 toward the upstream side of the gradient, and so on. Accordingly, the back wall 53 of the connecting device 50 receives the component load of the cross-through member 27 by surface contact. Therefore, the component load applied to the bolt 61 connecting the bundle member 31 of the deck 10 can be reduced and distributed. Even if it is a stage, a strong stage can be obtained.

  The present invention is as described above, and includes an upper frame having a planar rectangular shape, a lower frame having the same shape as the upper frame disposed in parallel with the upper frame, and four corners of the upper frame and the lower frame. And a bundle member disposed between the short column members and having both ends coupled to the upper and lower frame bodies and arranged at intervals corresponding to the fork width of the forklift. A connecting device for the deck used when connecting the decks by bolting at least the bundle member or the frame body in the stage deck that is coupled to the foot of the deck to the short column member, A support portion that is bolted to the lower frame of the first frame, and extends horizontally from the support portion to the lower surface of the lower frame and the lower surface of the lower frame of the other deck connected to the lower frame, and supports both the frames from at least below. Since the form and a that carrier part, a deck coupled in building stage by connecting a plurality of decks that are modular and can be implemented efficiently and with high strength.

The top view which shows one Example of the deck connection apparatus of this invention. The AA arrow directional view of FIG. The left view of FIG. 1 is a perspective view of the coupling device of FIGS. The perspective view which shows an example of the deck in which the connection apparatus shown in FIGS. Explanatory drawing which shows the use condition of the connection apparatus shown in FIGS. 1-4 with respect to a stage deck. The side view of an example of the open book hall constructed | assembled using the coupling device shown in FIGS. The perspective view of the conventional deck. The perspective view of the coupler for conventional deck connection. Explanatory drawing which shows the engagement state of the deck of FIG. 8 and the coupler shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Deck 11 Pipe leg 21 Upper frame body 22 Lower frame body 23 Short column member 24,25 Transverse material 26 Vertical through material 27,28 Transverse material 29 Longitudinal material 31 Bundle member 32 Deck connection hole 34 Breath attachment hole 36 floor panel 37 floor panel fixing member 50 coupling device 51 support portion 52 carrying portion 53 back wall 54 upper wall 55 lower wall 56 fixing hole 57 tip 58 plate member 59 plate member 60 bolt for fastening the coupling device 61 bolt for fastening the deck

Claims (3)

  An upper frame having a planar rectangular shape, a lower frame having the same shape as the upper frame arranged in parallel with the upper frame, a short column member connecting the four corners of the upper frame and the lower frame, It is composed of a bundle member disposed between the column members and having both ends coupled to the upper and lower frame bodies and disposed at intervals corresponding to the fork width of the forklift, and the deck column is attached to the short column member. A coupling device for a deck to be used when coupling the decks by bolting at least the bundle member or the frame body in a stage deck to be coupled, the coupling device being a lower frame of one deck A support portion that is bolted to the body, and a carrier that extends horizontally from the support portion to the lower surface of the lower frame and the lower surface of the lower frame of the other deck to be connected and supports both the frames from at least below Coupling device stage deck, characterized in that it comprises and.   The connecting device according to claim 1, wherein the support portion and the support portion are formed in a substantially L shape when seen from a plane. The connecting device according to claim 1 or 2, wherein the carrying portion includes a jaw-like portion that holds the constituent members of the lower frame of one deck from the upper and lower surfaces.

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