JP2009299307A - Unit type scaffolding and connecting implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem of poor working efficiency in building up and dismantling because single pipes are arranged in horizontal and vertical directions and fastened and connected by clamps using a wrench in the case of constructing a scaffolding jamb on an unstable place of the ground, a slope, or the like. <P>SOLUTION: A unitized frame-like body 13 is used for connecting a plurality of erected posts 5. An insertion type connecting implement 21 is mounted to the frame-like body 13 and inserted in an insertion opening 7 provided at the post 5, from the upper side for connection. The connecting implement is provided with a locking means to prevent upward slip-off. The jamb can thereby be easily built up and dismantled. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a unit-type scaffold for performing various operations and a connector that is a component of the unit-type scaffold.

When disaster prevention work is performed on an unstable ground or slope, first assemble a building frame, lay a work floor on it, build a scaffold, and install a work machine on the scaffold. There is a need.
Conventionally, when constructing such a building frame, single pipes are arranged in the horizontal and vertical directions, and are joined by fastening with a clamp using a wrench.

Japanese Patent Laid-Open No. 10-8707

  As described above, in the conventional method, since the single pipes were assembled from the beginning and the pipes were fastened together using clamps, the work efficiency of assembly and disassembly was poor.

  The present invention has been made paying attention to the above-mentioned conventional problems, and includes a unit-type scaffold that can easily assemble and disassemble a building frame, and a connector that is one component of the unit-type scaffold. The purpose is to provide.

  The present invention has been made to solve the above problems, and the invention of claim 1 is directed to a plurality of upright columns, a frame-like body disposed between the columns, and the frame on the columns. A unit-type scaffolding comprising: a building frame constructed with a coupling means for coupling the objects, and a work floor supported by the building frame.

  According to a second aspect of the present invention, in the unit-type scaffolding according to the first aspect, the connecting means includes an insertion port provided on the outer periphery of the support column and an insertion member provided on the frame-shaped body. The unit-type scaffold is characterized in that the insertion body is inserted into the insertion port from above and the frame-like body and the support column are connected.

  The invention according to claim 3 is the unit-type scaffolding according to claim 2, wherein a lock means is provided to prevent the insertion body inserted into the insertion port from coming out upward. It is a formula scaffolding.

  According to a fourth aspect of the present invention, in the unit-type scaffolding according to the third aspect, the locking means protrudes laterally from the inserted insertion body and contacts the insertion port from below, and It is a unit type | mold scaffold characterized by having a contact member drive means to make a contact member protrude from the side of the said insertion body, or to be immersed.

  According to a fifth aspect of the present invention, in the unit type scaffolding according to the fourth aspect, the contact member driving means is formed in the insertion body, and the slide movement path extending in the transverse direction and the contact member are supported while supporting the contact member. A slide pin that is slid along the slide movement path, and an operation member that is attached to the contact member side and that slides the slide pin along the slide movement path via the contact member, When the slide pin reaches the insertion port side end by the sliding movement of the operation member, the contact member rotates and protrudes by its own weight, and contacts and is locked by the insertion port. It is a formula scaffolding.

  According to a sixth aspect of the present invention, in the unit-type scaffolding according to the fifth aspect, the slide movement path includes an inclined lateral road that extends while inclining upward toward the insertion port side, and an insertion port side end of the inclined road. When the insertion body is inserted, the slide pin is located at the back of the inclined lateral path, and the contact member rotates while being in sliding contact with the insertion port. And, after being inserted, the slide pin is located at the lower end of the longitudinal path, and the contact member rotates and projects by its own weight.

  The invention according to claim 7 is the frame-shaped body side connection constituted by the insertion body provided in the frame-shaped body and the locking means among the connection means constituting the unit type scaffold according to any one of claims 3 to 6. It is a tool.

  The invention according to claim 8 is the unit-type scaffolding according to any one of claims 1 to 6, wherein the large take-up is supported so as to be adjustable in angle with respect to the support column, and the large draw is fitted into the large take-up. It is a unit type scaffold supported by the moderate inclination angle with respect to a support | pillar.

  According to the present invention, a unitized frame-like body is used to connect the columns, and further, the frame-like body has at least a part of the function as a connection tool, thereby assembling the building frame and Dismantling can be performed easily.

The unit type scaffold 1 which concerns on the 1st Embodiment of this invention is demonstrated according to drawing.
This unit type scaffold 1 is constructed for disaster prevention work on the slope (S), and is mainly composed of a building frame 3 and a work floor (panel) 53 supported by the building frame 3.

As shown in detail in FIG. 2, reference numeral 5 denotes a column made of pipe material, and an insertion port 7 opened in the vertical direction is formed on the outer periphery of the column 5 at a predetermined interval in the vertical direction. Has been. The insertion port 7 is formed by fixing a plate thickness surface of a plate material 9 bent in a U-shaped cross section to the outer periphery of the support column 5. The insertion ports 7 are formed as a set of four so as to surround the outer periphery of the support column 5.
The lower end of the column 5 is erected by being inserted into a hole dug in the slope (S) or standing on the slope (S) via a jack 11.
A number of columns 5 are erected in a state where they are aligned at a predetermined interval, and the lengths differ depending on the erection location.

As shown in detail in FIG. 2, reference numeral 13 denotes a frame-like body. The frame-like body 13 has a rectangular shape by connecting a pair of pipe-like horizontal members 15, 15 and a pair of pipe-like vertical members 17, 17. Is formed. Both ends of the cross members 15 and 15 protrude slightly outward from the vertical members 17 and 17. The frame-like body 13 is reinforced with an oblique X-shaped reinforcing material 19 fitted therein.
The horizontal width dimension of the frame-like body 13 is set so as to fit between the adjacent pillars 5 of the upright support column 5, and the vertical width dimension is adjacent to the vertical direction of the outer periphery of the upright support column 5. It is set so as to fit between the matching insertion ports 7.
For one frame-like body 13, frame-like-body-side connectors 21 are attached to the protruding portions of the corresponding four cross members 15.

As shown in detail in FIG. 3, reference numeral 23 denotes an annular mounting portion, one end on the back side is closed, and the other end on the near side is opened. The cross member 15 of the frame-like body 13 is inserted and fixed to the attachment portion 23.
Reference numeral 25 denotes an insert, which is formed of a plate-like material and has a U-shaped cross section. The insertion body 25 is attached to the attachment portion 23 as shown in FIG. 3 and opens toward the opening side (= front side) of the attachment portion 23 and downward. The lower portions of the pair of opposing pieces 27, 27 of the insertion body 25 are cut obliquely from the opening side (= front side) to the lower end of the attachment portion 23, respectively, and the plate thickness surface becomes an inclined surface. Yes. A portion surrounded by the pair of opposed pieces 27, 27 is a recess 28.

  Reference numeral 29 denotes an elongated hole as a slide movement path, and the elongated hole 29 is formed to face the opposing pieces 27 and 27, respectively. The long hole 29 is constituted by an inclined horizontal hole 31 extending while being slightly inclined upward toward the side opening side, and a vertical hole 33 extending downward from the upper end portion of the inclined horizontal hole 31. The back 32 of the inclined horizontal hole 31 and the lower end of the vertical hole 33 are rounded corresponding to the outer peripheral shape of the slide pin 45 described later.

Reference numeral 35 denotes an abutting member formed in a U-shaped cross section by a plate-like body. The abutting member 35 is formed by connecting a pair of facing portions 37 and 37 by a connecting portion 41. Each facing portion 37 protrudes upward from the connecting portion 41, and the protruding upper plate thickness surface is a contact surface 39. The contact surface 39 is inclined from the middle, and is an inclined surface that is lowered toward the connecting plate 41 side (= front side).
Moreover, the side edge thru | or lower end edge of each opposing part 37 inclines inside toward the corner | angular part.

Reference numeral 43 denotes a tongue-shaped operation member, and the operation member 43 extends outward from the lower end edge of the connecting portion 41.
Reference numeral 45 denotes a pair of slide pins. One ends of the slide pins 45 and 45 are respectively attached to the opposing positions on the outer surfaces of the opposing portions 37 and 37, and project horizontally toward the outside.

As shown by the arrows in FIG. 4, each slide pin 45 is directed to each slot 29 from the inside to the outside with the connecting portion 41 of the abutting member 35 facing forward and the operation member 43 positioned downward. Are connected to form an integrated connector 21.
As shown by the arrow in FIG. 2, when the connector 21 is inserted into the insertion port 7 from the upper side, the frame-like body 13 and the column 5 are connected to each other through the connection between the connector 21 and the insertion port 7. Connected.

Hereinafter, the insertion and locking of the connector 21 into the insertion port 7 will be described with reference to FIGS.
First, as shown in FIG. 5, each slide pin 45 is engaged at the back 32 of the inclined lateral hole 31. Since the depth 32 is lowered, it stays in that position stably. In this state, the side contact posture 35 is stable due to the weight of the contact member 35, and the pair of facing portions 37 and 37 protrude from the side of the insertion body 25.
As shown by the arrow in FIG. 5, when the insertion body 25 is inserted into the insertion port 7 from the upper side, as shown by the arrow in FIG. 6, the inner surface of the plate 9 on which the contact member 35 forms the insertion port 7. Most of it is immersed in the concave portion 28 of the insertion body 25 by rotating clockwise while sliding.

As shown in FIG. 7, when the insertion body 25 is lowered and the upper end surface of the plate 9 that forms the insertion port 7 comes into contact with the outer peripheral surface of the mounting portion 23, the insertion work is finished. In this state, the contact member 35 is immersed in the recess 28.
Next, as shown by the arrows in FIG. 7, each slide pin 45 is slid along each inclined lateral hole 31 by pressing the operating member 43 from below with a finger and pulling it obliquely upward. When each slide pin 45 reaches the front end, which is the insertion port side end, as shown by the arrow in FIG. Then, as shown in FIG. 9, each slide pin 45 reaches the lower end 34 of each vertical hole 33 and stops, and is stably engaged there.

  When the slide pins 45, 45 are engaged at that position, as shown by the arrow in FIG. 10, the insertion body 25 rotates counterclockwise by its own weight, and the pair of opposed portions 37, 37 are inserted. Projects from the side of the body 25. And the contact surface 39 contacts and locks the lower end of the plate member 9 forming the insertion port 7. As a result, the locking operation is completed. In this locked state, the insertion body 25 is prevented from coming out upward.

Next, the unlocking operation will be described.
The operation member 43 is pressed with a finger, the contact member 35 is rotated clockwise, and the contact member 35 is retracted. Then, the operating member 43 is pulled up and the slide pins 45 are slid along the vertical holes 33. Furthermore, when each slide pin 45 reaches the insertion port side end, this time, the abutting member 35 is pushed into the recess 28 and the slide pin 45 is slid along the inclined lateral hole 31. When each slide pin 45 reaches the depth 32 of the inclined lateral hole 31, it stops there and is stably engaged, and the lock is released.

That is, when each slide pin 45 is engaged at the back 32, the abutting member 35 abuts against the inner surface of the insertion port 7 and is restricted from rotating, and protrudes from the side of the insertion port 7. Not.
Therefore, when the insertion body 25 is pulled up from the insertion port 7, the abutting member 35 is pulled up together while sliding on the inner surface of the insertion port 7.

  As described above, it is possible to perform the insertion work by inserting the connector 21 attached to the cross member 15 into the insertion port 7, and subsequently perform the locking work by operating the operation member 43. Can do. Further, the unlocking operation can be performed by operating the operation member 43, and subsequently, the removal operation can be performed by pulling up the connector 21, so that all operations can be easily performed.

As shown in FIG. 11, since the building frame 3 can be constructed by connecting the columns 5 with the frame-like body 13, the working efficiency is remarkably better than the case where the single pipe is assembled from the field. And since it can carry out only with one hand, both hands are not obstruct | occluded and it is preferable also from the surface of safety | security.
In addition, the code | symbol 47 shows a horizontal material and the connection tool 21 is attached also to the both ends of this horizontal material 47 similarly to the frame-shaped body 13. FIG. Corresponding to the shape of the slope (S), by using the frame-like body 13 and the horizontal member 47 in combination, the columns 5 are connected in a balanced manner.

  Further, a large acceptance is inserted into the uppermost portion of the column 5, and a lower square pipe 49 as a large pull is inserted into the large acceptance, and an upper square pipe 51 as a joist is formed so as to cross the lower square pipe 49. Place and fix. Both the lower square pipe 49 and the upper square pipe 51 are long, and the one-way draw and joist are constituted by a single square pipe. Next, the work floor panel 53 is placed on the upper corner pipe 51 and fixed. Thereby, a work floor is constructed.

  Further, for the sake of safety, a handrail column 55 is erected from the periphery of the work floor, and a handrail 57 is connected thereto. The insertion slot 7 is attached to the handrail support 55 like the support pillar 5, and the connector 21 is attached to the handrail 57 similarly to the frame-like body 13. Accordingly, the handrail 57 is connected and locked to the handrail support 55 in the same operation.

A connector 61 according to the second embodiment will be described with reference to the drawings.
As shown in FIG. 12, this connector 61 is comprised only by what was attached to the frame-shaped body 13 side. Similarly to the frame-like body-side connector 21 according to the first embodiment, this connector 61 is also attached to the protrusions of the corresponding four cross members 15 with respect to one frame-like body 13. .
Reference numerals 63 and 63 denote integral gripping arms, and the pair of gripping arms 63 and 63 are rotatably attached to attachment portions 64 fixed to the end face of the cross member 15, and are separated from each other. Open or close in the direction of approach.
The pair of gripping arms 63, 63 have an arc shape, and when closed, a recess substantially matching the outer peripheral surface of the support column 5 is formed on the inside. However, a gap is formed between the front end surfaces of the gripping arms 63 and 63.

A pair of facing plates 65, 65 facing the top and bottom are formed continuously at the tip of one gripping arm 63. The plate thickness surfaces on the outer side of the opposing plates 65, 65 are nut retaining surfaces 66, 66.
Reference numeral 67 denotes a bolt. One end of the bolt 67 is pivotally supported at the tip of the other gripping arm 63 so as to be rotatable in the horizontal direction. A nut 69 is attached to the head side of the bolt 67.
When the bolt 67 is rotated clockwise with the pair of gripping arms 63 and 63 closed, the bolt 67 enters between the opposing plates 65 and 65 and contacts the end face of the other gripping arm 63 and beyond. Is restricted. When the bolt 67 enters between the opposing plates 65, 65, the gap is closed.

Hereinafter, the connection and locking operation of the connection tool 61 to the column 5 will be described with reference to FIG.
The bolt 67 is rotated counterclockwise to open the pair of gripping arms 63 and 63 in advance. Then, the support 5 is sandwiched between the pair of gripping arms 63 and 63 and then closed. Next, the bolt 67 is rotated clockwise to come into contact with the end surface of the other gripping arm 63, and then the nut 69 is tightened against the nut hooking surfaces 66 and 66. Thereby, the frame-like body 13 is connected to the support column 5.

  As shown in FIG. 14, since the building frame 3 can be constructed by connecting the columns 5 with the frame-like body 13, the working efficiency is remarkably better than the case where the single pipe is assembled from the field. Further, when the connecting tool 61 is used, when the bolt 67 is rotated or the nut 69 is tightened, the frame-like body 13 is held by one hand, so both hands are closed, but only a short time is required. So you can work safely.

The large acceptance according to the third embodiment will be described with reference to the drawings.
As shown in FIG. 15, the attachment portion 73 of the large receiver 71 is attached to the column 5 with bolts 75 and nuts 77. Therefore, the large receiving 71 can be inclined at an appropriate angle by tightening the nut 77 after the mounting portion 73 is appropriately inclined.
A lower corner pipe 49 as a large pull is fitted into the large receiver 71. After that, as in the first embodiment, the upper corner pipe 51 as a joist is placed and fixed so as to intersect with the lower corner pipe 49. Next, the work floor panel 53 is placed on the upper corner pipe 51 and fixed. Thereby, an inclined work floor is constructed.

When the work machine (M) is pulled up to a horizontal work floor with a winch or the like, if the work floor 53 is inclined as described above, the work machine (M) is pulled up while sliding on the work floor 53. Can do.
In addition, if there is an inclined work floor 53 as described above, a plurality of horizontal work floors with steps can be connected to each other, and the movement of the operator and the like can be smooth.

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, not only the frame-like body 13 and the horizontal member 47 but also a slope bracket may be connected. It can be selected as appropriate according to the design details of the building frame. Further, the connection interval of the frame-like body 13 and the like can be changed as appropriate.
Furthermore, in the first embodiment, a long hole is used as the slide movement path, but a long groove may be used.
Furthermore, in the third embodiment, the inclination angle of the large underwriting is fixed by the bolts and nuts, but the large undertaking is made to a certain extent with respect to the support by inserting a round bar or the like instead of the bolts and nuts. It can also be made to turn freely. By doing so, the actual installation angle can be followed with high accuracy.

  According to the present invention, since the scaffold can be constructed with high work efficiency, it is also economical.

1 is a side view of a unit type scaffold according to a first embodiment of the present invention. It is a perspective view of the support | pillar and frame-shaped body which comprise the unit type scaffold of FIG. It is explanatory drawing of the insertion method to the insertion port of the coupling tool of FIG. It is a disassembled perspective view of the coupling tool of FIG. It is explanatory drawing of the insertion operation | work to the insertion port of the coupling tool of FIG. It is explanatory drawing of the insertion operation | work to the insertion port of a connector following FIG. FIG. 7 is an explanatory diagram of a locking operation following FIG. 6. FIG. 8 is an explanatory diagram of a locking operation following FIG. 7. FIG. 9 is an explanatory diagram of the locking operation following FIG. 8. FIG. 10 is an explanatory diagram of the locking operation following FIG. 9. It is a partially expanded perspective view of the building frame which concerns on 1st Embodiment. It is a perspective view of the support | pillar and frame-shaped body which concern on 2nd Embodiment. It is explanatory drawing of the connection state of the support | pillar of FIG. 12, and a frame-shaped body. It is a partially expanded perspective view of the building frame which concerns on 2nd Embodiment. It is an expansion perspective view of the large acceptance which concerns on 3rd Embodiment. FIG. 16 is an enlarged side view of a unit type scaffold using the large underwriting of FIG. 15.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Unit type scaffold 3 ... Building frame 5 ... Post 7 ... Insert 9 ... Plate material 11 ... Jack 13 ... Frame-shaped body 15 ... Cross member 17 ... Vertical member 19 ... X-shaped reinforcement
21 ... Frame-like body side connector (first embodiment)
DESCRIPTION OF SYMBOLS 23 ... Mounting part 25 ... Insert 27 ... Opposite piece 28 ... Recess 29 ... Slot 31 ... Inclined horizontal hole 32 ... Back 33 ... Vertical hole 34 ... Lower end 35 ... Contact member 37 ... Opposing part 39 ... Contact surface 41 ... Connection Part 43 ... Operation member 45 ... Slide pin 47 ... Horizontal member 49 ... Lower corner pipe 51 ... Upper corner pipe 53 ... Work floor panel 55 ... Handrail post 57 ... Handrail 61 ... Connector (second embodiment) 63 ... Gripping arm 64 ... Mounting portion 65 ... Counter plate 66 ... Nut retaining surface 67 ... Bolt 69 ... Nut 71 ... Large acceptance (third embodiment) 73 ... Mounting portion 75 ... Bolt 77 ... Screw S ... Slope M ... Work machine

Claims (8)

  A building frame constructed by a plurality of upright columns, a frame-like body disposed between the columns, and a connecting means for connecting the frame-like body to the column, and supported by the building frame A unit type scaffold comprising a work floor. In the unit type | formula scaffold described in Claim 1,
The connecting means is constituted by an insertion port provided on the outer periphery of the support column and an insertion member provided on the frame-like body, and the insertion body is inserted into the insertion port from above to form the frame. A unit-type scaffold characterized in that a body and the support are connected. In the unit type | formula scaffold described in Claim 2,
A unit-type scaffold characterized in that a locking means is provided to prevent the insertion body inserted into the insertion port from coming out upward. In the unit type | formula scaffold described in Claim 3,
The locking means includes a contact member that protrudes laterally from the inserted insertion body and contacts the insertion port from below, and the contact member protrudes or immerses from the side of the insertion body. A unit-type scaffold comprising contact member driving means for performing In the unit type | formula scaffold described in Claim 4,
The abutting member driving means is formed on the insertion body and extends in the transverse direction, a slide pin engaged with the slide moving path while supporting the abutting member, and attached to the abutting member side And an operation member that slides the slide pin along the slide movement path via the contact member, and when the slide pin reaches the insertion port side end by the slide movement by the operation member, The unit-type scaffolding characterized in that the abutting member rotates and projects by its own weight, and abuts on and is locked to the insertion port. In the unit type | formula scaffold described in Claim 5,
The slide movement path is composed of an inclined horizontal path extending while inclining upward toward the insertion port side, and a vertical path extending downward from the insertion port side end of the inclined path, and the insertion body is inserted. When the slide pin is positioned at the back of the inclined horizontal path, the abutting member rotates while being in sliding contact with the insertion slot, and after being inserted, the slide pin is positioned at the lower end of the vertical path. The unit-type scaffolding is characterized in that the abutment member is rotated and protrudes by its own weight.   A frame-shaped body-side connector composed of an insertion body provided on the frame-shaped body and a locking means among the connecting means constituting the unit-type scaffold according to any one of claims 3 to 6.   The unit type scaffolding according to any one of claims 1 to 6, wherein the large undercarriage is supported so as to be adjustable in angle with respect to the support column, and the large pulling is fitted to the large acceptor so as to be moderately inclined with respect to the support column. A united scaffold that is supported at an angle.

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