JP4942074B2 - Handrail mounting device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a handrail attachment device, and in particular, attachment of a stationary or refillable handrail that is attached to a frame scaffolding or is attached to the frame scaffolding on a lower scaffolding plate when the frame scaffolding is sequentially assembled upward. Relates to the device.

In general, framework scaffolds are installed at construction sites and civil engineering sites according to work positions, and workers use this framework scaffolds to walk and work. Building frames consisting of vertical members and horizontal members installed between the vertical members are arranged in the horizontal direction, and scaffolding plates are installed between the horizontal members of adjacent building frames and facing the front and rear or one side of the scaffolding plates. A handrail is installed between the adjacent vertical members on the left and right.

On the other hand, at the construction and civil engineering work sites, there are cases where the above single framework scaffold is assembled in multiple steps with respect to the work area, and in this case, the upper frame scaffold is installed on the scaffolding plate below. Is attached in advance as a preceding handrail, and then the upper scaffolding plate is assembled on the lower scaffolding plate.

And, using these upper handrails and the upper scaffolding plate as a safety means, the upper frame scaffolding is sequentially assembled, but this preceding handrail is left as it is, In some cases, the preceding handrail is also used as a refilling-type handrail that is reordered upward.

The above-mentioned handrails are usually detachably coupled to the vertical members via attachment members provided on the upper part of the vertical members of the adjacent building frames.

A large number of handrail attachment devices have been developed so far. For example, a device shown in Patent Document 1 is known.

The attachment device of the handrail shown in this Patent Document 1 is a planar U-shaped pedestal wedge mounting member disposed opposite to a vertical member of a building frame, and the vertical member provided below the wedge member. A pair of left and right sockets made of pipes that are fixed to stand, and a wedge plate and a flat surface that is connected to each socket and stands upward. It consists of a U-shaped hanging piece.

According to this handrail attachment device, the wedge member and the hanging piece are inserted into the vertical member of the building frame, the lower plate is similarly brought into contact with the vertical member, and the vertical piece is The whole attachment device is fixed to the vertical member by supporting the two portions with the portion and tightening with a wedge driven into the wedge member from the lateral direction. In this state, a pedestal which is a vertical column of a handrail is inserted into a pipe insertion member which is a socket, and the handrail is attached to a building frame.
Japanese Patent Laying-Open No. 2005-48432 (FIG. 4, summary)

The conventional handrail attachment device has a pair of left and right sockets into which handrails are inserted, so that it has the effect of easily attaching a handrail between a pair of left and right building frames. There is a problem that cannot be used when there are various members.

That is, when the building frame scaffolding is assembled, at the position where the vertical members and horizontal members of the building frame cross, the connecting pins that connect the vertical members, the attachment members of the baseboards and baseboards, the scaffolding plates facing the left and right There are cases where members such as the end portions of the closing plates that close the gaps between them are arranged, and these members interfere with each other so that the wedge-attaching member, the wedge to be attached to this, and the hanging piece interfere with each other, and the handrail is attached. Since the device may not be installed on the vertical member, it is inferior in versatility.

Furthermore, handrails attached using the handrail attachment device described above are not necessarily arranged on both sides of the scaffolding plate, and may be installed only on one side. In this case, when the worker walks on the scaffolding board, there is a risk of falling from one side where the handrail is not installed.

Even if the handrails are installed on both sides of the scaffolding plate, if the handrails are merely provided with a brace, a large gap will be created in the handrails. There is a risk of falling, and measures for preventing such danger are an important issue in recent years.

Therefore, the main object of the present invention is to attach handrails that can be easily attached to the building frame without interfering with these members even if other members are arranged around the building frame, and the structure is simple and versatile. Is to provide a device.

Furthermore, the other object of this invention is to provide the handrail provided with the mechanism which can prevent dangers, such as prevention of an operator's fall, and the attachment apparatus of this handrail.

In order to achieve the above object, one means of the handrail attachment device according to the present invention comprises a pair of left and right building frames A, A and a scaffolding plate B constructed between the building frames A, A. A has a pair of front and rear vertical members 1 and a horizontal member 2 supported between the vertical members 1 and 1 to support the scaffolding plate B, and is installed between a pair of left and right building frames A and A. or in the mounting device of the handrail mounting a handrail C for replacement servings in one or both of the pair of longitudinal members 1,1, a bracket 3 provided with one or more mounting holes 3b while standing vertically, bracket 3, the support piece 4 integrally coupled to the support piece 4, the fixed socket 5 and the rotary socket 5 standing at both ends of the support piece 4, and the fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 includes a bracket 5a having a U-shaped cross section and the bracket 5a. The bracket 5 is configured to be rotatably inserted into the bracket 5a via a shaft, and the bracket 3 is detachably coupled to a brace mounting lock pin 12 protruding from the vertical member 1 through the mounting hole 3b. Then, the vertical member 1 is held by the support piece 4 and the fastening member P, and at least the lower part of the vertical column 6 of the handrail C is detachably inserted into the cylindrical body 5b of the rotary socket 5 so that the handrail is inserted. C is attached.

Similarly, the other means includes a pair of left and right building frames A, A and a scaffolding plate B laid between the building frames A, A. The building frame A includes a pair of longitudinal members 1 and 1 It is extended between 1 and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to extended between a of the pair longitudinal member 1 In the handrail attachment device attached to one or both of the brackets 1, a bracket 3 that stands in the vertical direction and includes one or a plurality of attachment holes 3 b, a support piece 4 that is integrally coupled to the bracket 3, and a support piece 4 The rotary sockets 5 and 5 are erected on both ends, respectively, and a clamping member P provided on the support piece 4 on the opposite side of the bracket 3. Each rotary socket 5 is a bracket having a U-shaped cross section. 5a and a cylindrical body 5b that is rotatably inserted into the bracket 5a via a shaft. The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the attachment hole 3b, and the longitudinal member 1 is connected by the support piece 4 and the fastening member P. The handrail C is attached by detachably inserting the lower portion of the vertical column 6 of the handrail C into the cylindrical body 5b of at least one of the rotary sockets 5.

In this case, a hole 18 having a diameter smaller than the outer diameter of the vertical column 6 is formed in the support plate 4 corresponding to the axial center portion of the cylindrical body 5b, and the conical shape formed in the hole 18 at the lower end of the vertical column 6 is formed. It is preferable that the small-diameter portion 6a is fitted.

Still another means comprises a pair of left and right building frames A, A and a scaffolding plate B laid between each building frame A, A. The building frame A is a pair of longitudinal members 1 and longitudinal members 1, 1 are installed between and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the longitudinal member 1 handrail C of the pair of Refill stationary or for serving to bridged between a, In the attachment device of the handrail attached to one or both of 1, the bracket 3 which stood in the vertical direction and provided with one or several attachment holes 3b, the support piece 4 integrally joined to the bracket 3, and both ends of the support piece 4 A fixed socket 5 and a rotary socket 5 that stand up on the respective parts, and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 includes a bracket 5d that is open at one end. , Coupled to the support plate 4 while being fitted in the bracket 5d; A cylindrical body 5e having one end opened, a cylindrical body 5n rotatably inserted under the cylindrical body 5e via a shaft 5g, and a stop pin 55 pivotally supported on the projecting portion of the bracket 5d. The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the mounting hole 3b, and is vertically coupled by the support piece 4 and the fastening member P. The material 1 is held, and at least the lower part of the vertical column 6 of the handrail C is detachably inserted into the cylindrical body 5n of the rotary socket 5, and the open part of the bracket 5d is closed by the stop pin 55, and the vertical column The handrail C is attached while preventing the tilting of 6.

Similarly, the other means includes a pair of left and right building frames A, A and a scaffolding plate B laid between the building frames A, A. The building frame A includes a pair of longitudinal members 1 and 1 It is extended between 1 and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to extended between a of the pair longitudinal member 1 In the handrail attachment device attached to one or both of the brackets 1, a bracket 3 that stands in the vertical direction and includes one or a plurality of attachment holes 3 b, a support piece 4 that is integrally coupled to the bracket 3, and a support piece 4 It consists of two fixed sockets 5 and 5 standing up at both ends, and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3, and the one rotary socket 5 includes a socket body, An inclined surface 5i formed by obliquely chamfering the upper end of the main body and horizontally on the socket body Is composed of a labeled guide pin 5h, the bracket 3 attached detachably to the lock pin 12 for breath attachment projecting from the longitudinal member 1 through the mounting hole 3b, the support piece 4 and with the tightening The vertical member 1 is held by the member P, and the lower part of the vertical column 6 of the handrail C is detachably inserted into the socket body of at least one of the sockets 5 along the guide pin 5h from the inclined surface. It is characterized by being attached.

Still another means comprises a pair of left and right building frames A, A and a scaffolding plate B laid between each building frame A, A. The building frame A is a pair of longitudinal members 1 and longitudinal members 1, 1 are installed between and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the longitudinal member 1 handrail C of the pair of Refill stationary or for serving to bridged between a, In the attachment device of the handrail attached to one or both of 1, the bracket 3 which stood in the vertical direction and provided with one or several attachment holes 3b, the support piece 4 integrally joined to the bracket 3, and both ends of the support piece 4 A fixed socket 5 and a rotary socket 5 that stand up on the respective parts, and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 includes a bracket 5d that is open at one end. , Coupled to the support plate 4 while being fitted in the bracket 5d; The cylinder 5e having one end opened, a hook-like groove 5k formed in the lower portion of the cylinder 5e, and a stop pin 5f rotatably supported on the protruding portion of the bracket 5d, The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the attachment hole 3b, and the longitudinal member 1 is held by the support piece 4 and the fastening member P. At least the lower part of the vertical column 6 of the handrail C is detachably inserted into the cylindrical body 5e of the rotary socket 5, and the pin 6d provided at the lower part of the vertical column 6 is fitted into the groove 5k, and the stop The open portion of the bracket 5d is closed with the pin 5f, and the handrail C is attached while holding the vertical column 6 vertically with the stop pin 5f and the pin 6d .

In each of the above means, the bracket 3 comprises a long and narrow support plate main body 3a and a plurality of mounting holes 3b formed in the support plate main body 3a along the vertical direction. It comprises a horizontal plate 4a, 4b and a curved portion 4c formed at the center of each horizontal plate 4a, 4b, and a lock pin 27 facing the curved portion 4c is detachable between the pair of horizontal plates 4a, 4b. It is preferable that the wedge 28 is movably attached to the lower horizontal plate 4a so as to face the curved portion 4c.

Similarly, it is preferable that one or both of the socket 5 and the vertical column 6 is provided with a locking member made of a pin, a leaf spring, or a lever.

Similarly, the handrail C is composed of a pair of left and right vertical struts 6 and 6 and a cross member 7 rotatably mounted between the vertical struts 6 and 6, and a parent rope guide 14 is slidably inserted into the cross member 7. It is preferable.

According to the invention of each claim, the following effects can be obtained.

Since the vertical bracket is provided, this bracket interferes with other extraneous members via the brace mounting lock pin below the horizontal frame of the building frame with respect to the vertical frame of the building frame. Can be easily combined without Also, the fastening member is located on the opposite side of the bracket, so it can be placed without interfering with other members because it is tightened while holding the building material in a position where there are no horizontal members or other unnecessary members. And it can be tightened.

Since at least one socket is erected on the support piece, the handrail can be easily and speedily attached to the building frame simply by inserting the vertical column of the handrail into this socket.
According to the invention of each claim, when the vertical column 6 in the handrail C is inserted into the socket 5 from above while being inclined, the vertical column 6 can be smoothly inserted into the socket 5.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.The handrail attachment device of the present invention is suitable for use when handrails are installed on the front side, the rear side, or both of the scaffolding plate of the frame scaffold, and in particular. The frame scaffold is suitable for attaching the upper handrail as a stationary or rearrangement handrail in advance on the lower scaffolding plate when assembled in multiple stages upward. However, this handrail attachment device can be used for a single frame scaffold that is not assembled in multiple stages, and can also be used for attachment of a handrail for a work scaffold for general construction and civil engineering.

As shown in FIGS. 3 (A), (B), and (C), the basic structure of the basic handrail attachment device of the present invention is a plate-like structure that stands vertically and includes one or more attachment holes 3b. It comprises a bracket 3, a support piece 4 integrally coupled to the bracket 3, at least one socket 5 standing at the end of the support piece 4, and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. It is.

In addition, as shown in FIGS. 1 and 3, the handrail attachment device of the present invention used for the frame scaffolding includes a pair of left and right building frames A and A, and a scaffolding plate B constructed between the building frames A and A. The building frame A includes a pair of front and rear vertical members 1 and 1 and a horizontal member 2 that is installed between the front and rear vertical members 1 and 1 and supports the scaffold plate B, and includes a pair of left and right building frames. A handrail C for stationary or remounting between A and A is attached to one or both of the pair of vertical members 1 and 1.

And this handrail attachment device has a plate-like bracket 3 that stands up in the vertical direction and has one or a plurality of attachment holes 3 b, a support piece 4 that is integrally coupled to the bracket 3, and an end portion of the support piece 4. A brace attachment comprising at least one standing socket 5 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3, and the bracket 3 protruding from the vertical member 1 through the attachment hole 3b The vertical member 1 is held by the fastening member P, and the lower part of the vertical column 6 of the handrail C is detachably inserted into the socket S to attach one side of the handrail C. Is.

In this case, the bracket 3 includes a long and narrow support plate body 3a and a plurality of mounting holes 3b formed in the support plate body 3a along the vertical direction, and the support piece 4 is a pair of upper and lower portions formed in a U-shape. The horizontal plates 4a and 4b and a curved portion 4c formed at the center of each horizontal plate 4a and 4b, and a lock pin 7 facing the curved portion 4c is detachable between the pair of horizontal plates 4a and 4b. Further, a wedge 28 is movably attached to the lower horizontal plate 4a through the guide 9 so as to face the curved portion 4c, and the fastening member P is fixed by the lock pin 27 and the wedge 28. It is composed.

Two cylindrical sockets 5 and 5 are erected opposite to each other at both left and right ends of the support piece 4, and both of the sockets 5 and 5 are fixed and erected. As shown in other embodiments described later, they may be fixedly or rotatably coupled.

As shown in FIGS. 1 and 2, the handrail C includes a pair of left and right vertical struts 6, 6 and a cross member 7 composed of one or a pair of upper and lower square pipes rotatably laid between the vertical struts 6, 6. , 8 and by inserting the vertical supports 6 and 6 into the sockets 5 and 5 of the adjacent building frames A and A, the handrail C is installed between the pair of left and right building frames A and A.

As shown in FIGS. 2 (A) and 2 (B), the handrail C is joined at both ends of the upper cross member 7 via a rotatable bracket 10 formed of a hinge, and both ends of the lower cross member 8 are connected to the vertical support 6. Is rotatably supported by a pin 8B provided on the shaft 8B.

In this case, the long holes 8A are fitted to the pins 8B at both ends of the cross member 8, and the vertical supports 6 and 6 on both sides are moved to the left and right by the length of the long hole 8A as shown in FIG. The width between the vertical struts 6 and 6 can be adjusted.

That is, the distance between the left and right sockets 5 and 5 is determined according to the width between the installed left and right building frames A and A and the length of the installed scaffolding board B. The width between the C vertical struts 6 and 6 is adjusted.

As shown in FIG. 1 and FIG. 3 (C), a gravity lock pin and other lock pins 12 extending in the same direction as the horizontal member 2 protrude from the vertical member 1 in the pair of left and right building frames A, A. The ends of the braces D and D that cross in an X shape are fitted to the lock pin 12, and the left and right building frames A and A are joined and reinforced by the braces D and D to prevent the frame scaffold from falling down. ing.

In the present invention, attention is paid to the fact that the lock pin 12 is located below the horizontal member 2 and there is no obstructive member around it, and the handrail C is to be attached using the lock pin 12. It is.

When the attachment device of the handrail is connected to the building frames A and A, the following steps are performed. First, the bracket is inserted into the lock pin 12 for attachment of the brace D as shown in FIG. Temporarily fix with.

Next, the curved portion 4c of the lower horizontal plate 4a in the support piece 4 is brought into contact with the longitudinal member 1, and the lock pin 27 facing the curved portion 4c is inserted into the holes of the upper and lower horizontal plates 4a and 4b. While holding, the building frame 1 is held between the lock pin 7 and the curved portion 4c.

Next, the wedge 28 is driven from the lateral direction along the guide 9, the vertical member 1 is sandwiched between the curved portion 4 c by the wedge 28, the vertical member 1 is fastened by the so-called whole fastening portion P, and the entire handrail is fastened. The handrail C is attached to the building frame A using the handrail attachment device.

Therefore, the attachment process of the handrail C will be described with reference to FIG. 1. A scaffold plate B is installed between a pair of left and right building frames A, A, and each building frame A, A is reinforced with braces D, D. In order to attach the upper handrail C above the building frames A and A with the handrail C (not shown) provided on the front side or the rear side of the plate B, first, an operator on the scaffold plate B The lower part of the left vertical column 6 of the handrail C is inserted into the socket 5 in the left building frame A and stands vertically.

At this time, since the cross members 7 and 8 are inclined downward as indicated by dotted lines, the right vertical column 6 is lifted by hand, and the left ends of the cross members 7 and 8 are pivoted upward while being pivoted upward. The cross members 7 and 8 are pulled up, and finally the right vertical column 6 is inserted into the socket 5 of the right building frame A, and a handrail C is erected as shown by the solid line.

Next, in this state, when another scaffolding board B (not shown) on the scaffolding board B is installed between the horizontal members 2 and 2 on the upper stage, and the building frames A and A are assembled further upward. In order to secure safety with the handrail C on the upper scaffolding board B installed as described above, the vertical members 1 of the building frame A are sequentially added, and further, the upper handrail C is attached.

In this case, the handrail C can be used as a stationary type that remains fixed at the installed position, and can also be used as a preceding handrail that is re-ordered upward because it is used when the upper building material A is assembled.

By the way, a master rope guide 14 is slidably inserted into the upper cross member 7 of the handrail C. This guide 14 has an opening whose lower part is opened as shown in FIGS. 1 and 4C. When the building frame A, the scaffolding board B, and the handrails C are arranged in a row in the horizontal direction, the walking is performed on the scaffolding board B. By winding the parent net around the worker who is to be engaged and connecting the parent net to the ring bracket 13, when the worker is about to fall from the frame scaffold, the parent net is prevented from falling.

The guide 14 slides along the cross member 7 when the worker walks from side to side on the scaffolding board B, and in particular, as shown in FIG. 4C, the guide 14 moves between the adjacent left and right handrails C and C. Is passed through the vertical column 6 so as not to interfere with the vertical column 6.

As shown in FIG. 3C, the socket 5 is formed with a locking hole 15 in the lateral direction, and a locking member made of a pin or the like also provided on the vertical column 6 can be inserted into the locking hole 15. It is like that.

As described above, the sockets 5 and 5 are erected independently of each other, but one socket 5 may be provided.

That is, as shown in other embodiments of FIGS. 5 and 6, the socket 5 is erected on the left side of the support piece 4, and the right end of the support piece 4 is directly connected to the lower end of the left vertical column 6 of the handrail C. You may couple | bond together.

In this case, the attachment device of the handrail is integrated with the handrail C, and when the bracket 3 is joined to the building frame A of the frame scaffold, for example, the left vertical column 6 which is one of the handrails C is also joined. .

In this case, the right vertical column 6 in the drawing is pushed upward as in the case of FIG. 1 and inserted into the socket 5 arranged on the right side.

The vertical support 6 of the handrail C may be provided with a baseboard mounting member 11 to be described later as shown in FIG. 6, and all other structures of the handrail C and its mounting device are the same as in FIGS. The same.

FIG. 7 shows another embodiment of the handrail of the present invention. This is because a base plate attachment member 11 is coupled to the lower portion of the vertical column 6 of the handrail C, and the lower end portion of the vertical column 6 is slack. A stop mechanism 16 is formed.

The loosening prevention mechanism 16 is connected to the spring 17 through the locking hole 15 formed in the socket 5 described above, the spring 17 provided inside the vertical support 6 and the hole 14 provided in the vertical support 6. The locking pin 19 detachably inserted into the locking hole 15, the hole 18 having a smaller diameter than the vertical column 6 formed in the lower horizontal plate 4a of the support piece 4, and the lower end of the vertical column 6 are constricted in a conical shape. And a small-diameter portion 6a.

Thereby, when the vertical column 6 of the handrail C is inserted into the socket 5, the locking pin 19 is fitted into the locking hole 14 by the biasing force of the spring 17, and the small diameter portion 6a is fitted into the lower hole 18. This prevents the vertical support 6 from loosening in the socket 5.

The base member 11 will be described later with reference to FIGS.

FIGS. 8A, 8B, and 8C show a handrail attachment device according to another embodiment of the present invention.

In this figure, the left socket 5 is rotatable, and the right socket 5 is fixed.

That is, this consists of a pair of left and right building frames A, A and a scaffolding plate B erected between each building frame A, A. The building frame A is between a pair of longitudinal members 1 and longitudinal members 1, 1. It is bridged and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, stationary or for the handrail C for replacement prime the pair longitudinal member to bridged between a 1, 1 In the handrail attachment device to be attached to one or both of the brackets, the bracket 3 that stands in the vertical direction and includes one or a plurality of attachment holes 3b, the support piece 4 integrally coupled to the bracket 3, and both end portions of the support piece 4 Each of the fixed socket 5 and the rotary socket 5, and the fastening member P provided on the support piece 4 on the opposite side of the bracket 3, and the rotary socket 5 includes a bracket 5a having a U-shaped cross section. The cylindrical body 5b inserted into the bracket 5a through a shaft so as to be rotatable. The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the attachment hole 3b, and the longitudinal member is connected by the support piece 4 and the fastening member P. 1 is held, and at least the lower part of the vertical column 6 of the handrail C is removably inserted into the cylindrical body 5b of the rotary socket 5 so that the handrail C is attached.

In this case, for example, as shown in FIG. 9, when the vertical column 6 in the right handrail C is inserted into the socket 5 from above while being inclined, this socket can be obtained by inclining the vertical column 6 at the same angle in advance. 5 can be smoothly inserted into the cylindrical body 5b. After insertion, the cylinder 5b is rotated in the vertical direction. Other structures, functions, and effects are the same as those in FIGS.

FIG. 10 shows an attachment device for a handrail according to another embodiment of the present invention, in which a pair of left and right sockets 5 and 5 are rotatably coupled to a support piece 4 and a vertical column 6 of the handrail C is shown. It can be inserted from either direction while tilting.
That is, the handrail attachment device includes a pair of left and right building frames A and A, and a scaffolding plate B installed between the building frames A and A. The building frame A includes a pair of longitudinal members 1 and longitudinal members. It is installed between 1,1 and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, vertically handrail C of the pair of Refill stationary or for serving to bridged between a In a handrail attachment device attached to one or both of the materials 1, 1, a bracket 3 standing in the vertical direction and provided with one or a plurality of attachment holes 3b, a support piece 4 integrally coupled to the bracket 3, and a support piece 4 includes two rotary sockets 5 and 5 that stand up at both ends of each, and a fastening member P that is provided on the support piece 4 on the opposite side of the bracket 3, and each of the rotary sockets 5 has a U-shaped cross section. Bracket 5a and a cylindrical body rotatably inserted into the bracket 5a via a shaft b, and the bracket 3 is detachably coupled to the brace mounting lock pin 12 projecting from the longitudinal member 1 through the mounting hole 3b, and the support piece 4 and the fastening member P are The vertical member 1 is held, and the lower part of the vertical column 6 of the handrail C is detachably inserted into the cylindrical body 5b of at least one of the rotary sockets 5 to attach the handrail C.

In particular, each socket 5 includes a U-shaped bracket 5a, a pair of front and rear pins or bolts 5c screwed from both front and rear sides of the bracket 5a, and a shaft 5 that is inserted into the bracket 5a so as to be rotatable to the bolt 5c from the front and rear directions. It consists of the cylinder 5b supported.

The lower end of the vertical column 6 on the handrail C side is formed as a conical small-diameter portion 6a, and the small-diameter portion 6a is fitted into the hole 18 formed in the lower support plate 4a as in the embodiment of FIG. Combined so that they can stand vertically.

Other structures, operations, and effects are the same as those in the embodiment of FIG.

FIG. 11 relates to another embodiment of the present invention, in which one of the pair of sockets 5 and 5 is rotatably coupled to the support piece 4.

That is, the handrail attachment device includes a pair of left and right building frames A and A, and a scaffolding plate B installed between the building frames A and A. The building frame A includes a pair of longitudinal members 1 and longitudinal members. It is installed between 1,1 and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, vertically handrail C of the pair of Refill stationary or for serving to bridged between a In a handrail attachment device attached to one or both of the materials 1, 1, a bracket 3 standing in the vertical direction and provided with one or a plurality of attachment holes 3b, a support piece 4 integrally coupled to the bracket 3, and a support piece 4 includes a fixed socket 5 and a rotary socket 5 that stand up on both ends of the base plate 4 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 is open at one end. While supporting the bracket 5d and the bracket 5d, the support A cylindrical body 5e that is coupled to the plate 4 and has one end open, a cylindrical body 5n that is rotatably inserted through a shaft 5g below the cylindrical body 5e, and a protruding portion of the bracket 5d that is rotatable. The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the mounting hole 3b. The vertical member 1 is held by the fastening member P, the lower part of the vertical column 6 of the handrail C is detachably inserted into at least the cylindrical body 5n of the rotary socket 5, and the bracket 5d is opened by the stop pin 55. The handrail C is attached while closing the portion and preventing the vertical support 6 from falling down .

Accordingly, the stop pin 55 is rotated upward as shown in FIG. 11C, and then the vertical column 6 of the handrail C provided with the same locking mechanism 16 as shown in FIG. In this state, the tube 5n is inserted into the cylinder 5n, and the cylinder 5n and the vertical column 6 are vertically raised, and the stop pin 55 is rotated in the direction opposite to the arrow in FIG. The open part of 5e is closed so that the vertical column 6 does not fall down. Other structures, operations, and effects are the same as those of the embodiment of FIG.

Furthermore, FIG. 12 relates to another embodiment of the present invention. The pair of sockets 5 and 5 are fixed upright, and the upper end of the left socket 5 is obliquely chamfered to form an inclined surface 5i. A flat U-shaped guide bin 5h is horizontally attached to the socket, and the vertical support 6 is inserted from the inclined surface 5i along the guide pin 5h from an oblique direction.
That is, the handrail attachment device includes a pair of left and right building frames A and A, and a scaffolding plate B installed between the building frames A and A. The building frame A includes a pair of longitudinal members 1 and longitudinal members. It is installed between 1,1 and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, vertically handrail C of the pair of Refill stationary or for serving to bridged between a In a handrail attachment device attached to one or both of the materials 1, 1, a bracket 3 standing in the vertical direction and provided with one or a plurality of attachment holes 3b, a support piece 4 integrally coupled to the bracket 3, and a support piece 4, two fixed sockets 5, 5 standing on both ends of each, and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. An inclined surface 5i formed by obliquely chamfering the upper end of the main body and a socket The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the vertical member 1 through the mounting hole 3b, and is mounted on the body horizontally. It said clamping member to embrace the longitudinal member 1 at P, inserted removably a lower portion of the vertical strut 6 of the handrail C from the inclined surface along the guide pin 5h at least the one of the socket body of the socket 5 and A handrail C is attached.
Other structures, functions, and effects are the same as those of the embodiment of FIG.

FIG. 13 relates to another embodiment of the present invention, which is a partial modification of the socket 5 according to the embodiment of FIG.
That is, the handrail attachment device includes a pair of left and right building frames A and A, and a scaffolding plate B installed between the building frames A and A. The building frame A includes a pair of longitudinal members 1 and longitudinal members. It is installed between 1,1 and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, vertically handrail C of the pair of Refill stationary or for serving to bridged between a In a handrail attachment device attached to one or both of the materials 1, 1, a bracket 3 standing in the vertical direction and provided with one or a plurality of attachment holes 3b, a support piece 4 integrally coupled to the bracket 3, and a support piece 4 includes a fixed socket 5 and a rotary socket 5 that stand up on both ends of the base plate 4 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 is open at one end. While supporting the bracket 5d and the bracket 5d, the support A cylindrical body 5e coupled to the plate 4 and having one end opened, a hook-like groove 5k formed in the lower part of the cylindrical body 5e, and a stop pin 5f pivotally supported on the protruding portion of the bracket 5d The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the mounting hole 3b, and is vertically coupled by the support piece 4 and the fastening member P. The material 1 is held and at least the lower part of the vertical column 6 of the handrail C is detachably inserted into the cylindrical body 5e of the rotary socket 5 and the pin 6d provided at the lower part of the vertical column 6 is fitted into the groove 5k. Further, the stop pin 5f is used to close the open portion of the bracket 5d, and the handrail C is attached while the vertical support 6 is held vertically by the stop pin 5f and the pin 6d . That is, a hook-like groove 5k is formed in the lower part of the bracket 5d in the left socket 5, and a pin 6d provided in the lower part of the vertical column 6 inserted from an oblique direction is fitted along the groove 5k to lock the lock. The vertical support 6 is held vertically by the pin 5f and the pin 6d.
Other structures, functions, and effects are the same as those in FIGS.

Next, FIGS. 14 to 25 relate to each embodiment of the handrail C, and the basic structure of these handrails C is substantially the same as the handrail C of FIG. These are composed of one or two upper and lower cross members 7 and 8 installed between the vertical columns 6 and 6. Accordingly, the same members are denoted by the same reference numerals, and details thereof are omitted.

The handrail C in FIGS. 14A and 14B is common because the baseboard mounting member 11 is provided on the vertical struts 6 and 6, and the cross members 7 and 8 in FIG. 14A are one pipe material. The cross members 7 and 8 in FIG. 14 (B) are composed of outer tubes 7a and 8a and inner tubes 7b and 8b inserted into the outer tubes 7a and 8a so as to be stretchable.

A handrail C shown in FIGS. 15 and 16 is provided with a hinge mechanism 23 at the lower end of one vertical column 6, and the vertical column 6 is coupled to the socket 5 through the hinge mechanism 23.

The hinge mechanism 23 includes a spacer 24 fitted into the vertical support 6 and coupled by a pin 20, and a bracket 22 having a T-shaped cross section coupled to the spacer 24 via a pin 21 so as to be rotatable. 22 is connected to the socket 5 so that the vertical support 6 can be inclined as shown in FIG.

FIGS. 17, 18A, 18B, and 18C show a handrail C according to another embodiment of the present invention. In these cases, the lower cross member 8 has an upward U shape when viewed from the front. It is common to be formed.

In the case of FIG. 17, the vertical support 6 is rotatably coupled to the upper cross member 7 through the bracket 10, and in the case of FIG. 18A, the left and right sides of the lower cross member 8 are hinged. The vertical support 6 is coupled via the bracket 10A.

18 (B) and 18 (C), a handrail C is an upper cross member 7, a lower cross member 8, and a vertical strut that is rotatably coupled to the lower cross member 8 through a support shaft 10B such as a pin. It consists of six.

In the handrail C of the embodiment shown in FIG. 19, the lower cross member 8 is formed to be extendable and the lower sub rod in which the lower portion of one vertical column 6 is rotatably coupled to the main body and the main body via a pin 30. 6A, and a lock pin 31 that holds the upper main body vertically is rotatably coupled via a bracket 32.

In the handrail C according to the embodiment of FIG. 20, a shaft 33 is coupled laterally to the lower end of one vertical column 6, and the vertical column 6 is rotatably inserted into the socket 5 through the shaft 33. I try to let them.

In the handrail C shown in FIGS. 21 and 22, the upper cross member 7 is coupled to the left vertical column 6 on the left side via the hinged bracket 10, and integrally coupled to the other right vertical column 6 on the right side. Further, a wire mesh 8A corresponding to the lower cross member is coupled to the upper cross member 7 and the left and right vertical supports 6,6.

As shown in the attachment step of FIG. 21, the handrail C can rotate the right vertical column 6 while tilting the handrail C through the bracket 10 with the left vertical column 6 inserted into the socket 5. It is inserted into the other socket 5.

The handrail C shown in FIG. 23 connects the lower cross member 8 and the base board 35 in parallel to the upper cross member 7 via the connecting member 24 and the bracket 36, and connects the base board 35 to the scaffold board B. It is arranged to face the front side or the rear side.

A handrail C shown in FIG. 24 is obtained by connecting a front L-shaped cross member 8 between an upper cross member 7 and a right vertical column 6.

A handrail C shown in FIG. 25 is configured such that a lower cross member 8 is extendable and contractable by an outer tube 8a and an inner tube 8b.

26, 27 (A), (B), and (C) show an embodiment in which a baseboard attachment member 11 as described in the description of FIG.

The baseboard attachment member 11 includes a support plate 37 having an L-shaped cross section coupled to the side surface of the vertical column 6 of the handrail C via an arm 36, a guide hole 38 formed in a horizontal portion of the support plate 37, and a support plate A mushroom-type set pin 40 attached with a gap 44 in the wide vertical portion 37 and a guide hole 38 are swingably inserted, and the support plate 37 is pulled out via the stop pin 45. And a lock pin 39.

As shown in FIG. 27, the baseboard 41 is composed of a main body and a hollow square pipe-like bracket 42 which is coupled to the end portion of the main body via a pin 43 and has long holes 46 and 47 on the upper and lower sides. .

The baseboard 41 is arranged in the longitudinal direction along the scaffold plate B, and the meat portion of the bracket 42 at the end is fitted into the gap 44 between the stop pin 40 and the support plate 37 through the hole 47, and then The lock pin 39 is rolled while being pulled up, and the outer end hook portion is inserted through the hole 46 and hooked on the inner periphery of the bracket 42.

Thereby, the bracket 42 is held by the stop pin 40 and the lock pin 39, and the entire baseboard 41 is arranged along the longitudinal direction of the scaffold plate B.

28 to 31 show each embodiment of the parent network guide 14, the parent network guide 14 of FIG. 28 is substantially the same as already described in FIGS. This is a trumpet type as seen from the bottom surface connected to both sides of the opening 48, the cylindrical body 14 a opened downward in the longitudinal direction through the opening 48, the ring bracket 13 suspended from the side of the cylindrical body 14 a, and the opening 48. The guide 49 is composed of a centering portion 50 bent in a mountain shape inside the cylindrical body 14a.

The cylindrical body 14a is slidably inserted into the upper cross member 7 of the handrail C, and a parent net is coupled to the downward guide link 13.

FIG. 29 shows another embodiment that is substantially the same as the parent network guide 14 of FIG. 28, and is different only in that a stopper 52 is added.

30 and 31 show another embodiment of the parent network guide 14, which is substantially the same as that already described in the description of FIG. 4, but the cross member 7 of the handrail C is replaced with a cylindrical pipe. Suitable for application when molded with

That is, as shown in FIG. 30, when passing the cross member 7 made of a cylindrical pipe between two adjacent handrails C and C, the detent piece 51 is suspended from the cross member 7 so that the cylindrical body 14a does not rotate. This is provided through the opening 48 of the cylindrical body 14a.

In this case, even if the parent rope guide 14 tries to rotate during movement, the rotation preventing piece 51 comes into contact with the side surface of the opening portion 14a and this rotation is restricted.

Moreover, when the master rope guide 14 moves along the cross member 7 in the same manner as described above, the opening 48 is formed so that the lower part is opened. It is possible to pass without interfering with the anti-rotation piece 51 and to prevent the parent net from being caught on the way.

Further, FIGS. 32A, 32B, and 32C show another embodiment of the handrail C in which the guide 14 for the master rope is slidably inserted. This is the same as the above-described embodiments. 7 and 8, and a vertical column 6, and a horizontal groove M is formed in a connection corner between the prismatic cross member 7 and the vertical column 6. In this case, the master rope guide 14 can pass through the groove M without interfering with the vertical strut 6 between the adjacent left and right horizontal members 7.

It is a front view of the frame scaffold using the attachment apparatus of the handrail which concerns on this invention. (A) (B) It is the front view of implementation of the handrail of FIG. 1, and a partially expanded front view. (A) (B) (C) It is the top view of the attachment apparatus of the handrail which concerns on this invention, a front view, and a side view. (A) (B) (C) It is an enlarged plan view in the edge part of a cross member, a front view, and a side view. It is a front view of the handrail using the attachment apparatus of another handrail. Furthermore, it is a front view of the handrail using the attachment apparatus of another handrail. It is a partial longitudinal cross-sectional view of the vertical support | pillar which expands and shows a locking mechanism. (A) (B) (C) It is the top view, front view, and side view of the attachment apparatus of the handrail which concern on other embodiment. It is a front view of the frame scaffold using the attachment apparatus of the handrail of FIG. (A) (B) (C) It is the top view, front view, and side view of the attachment apparatus of the handrail which concern on other embodiment. (A) (B) (C) It is the top view, front view, and side view of the attachment apparatus of the handrail which concern on other embodiment. (A) (B) It is the top view, front view, and side view of the attachment apparatus of the handrail which concern on other embodiment. (A) (B) It is the top view of the attachment apparatus of the handrail which concerns on other embodiment, and a front view. (A) (B) It is a front view of the handrail which concerns on other embodiment. (A) (B) (C) It is a front view of the handrail which concerns on other embodiment. It is a front view of the frame scaffold to which the handrail of FIG. 15 was attached. It is a front view of the handrail which concerns on other embodiment. It is a front view of the handrail which concerns on other embodiment. (A) (B) (C) It is the front view of another handrail, a partial enlarged front view, and a partial enlarged side view. (A) (B) (C) It is the front view of another handrail, a partial enlarged front view, and a partial enlarged side view. It is a front view of the handrail which concerns on other embodiment. It is a front view of the frame scaffold using the handrail of FIG. It is a front view of the handrail which concerns on other embodiment. It is a front view of the handrail which concerns on other embodiment. It is a front view of the handrail which concerns on other embodiment. (A) (B) (C) It is a top view of the attachment member of a baseboard, a partial longitudinal section front view, and a side view. (A) (B) (C) It is a partially expanded plan view of the state which attached the baseboard, a front view, and a side view. (A) (B) (C) It is a top view, a bottom view, and a side view of a guide for a master network according to an embodiment. (A) (B) (C) It is the top view, bottom view, and side view of the guide for parent | network based on other embodiment. It is a front view of the handrail which attached the guide for parent | network nets. (A) and (B) are a partially enlarged plan view and a side view of FIG. (A), (B), and (C) are a front view, a partial side view, and a partially enlarged front view of a handrail according to another embodiment.

A Building frame B Scaffold plate C Handrail P Tightening member 1 Vertical member 2 Horizontal member 3 Bracket 3a Mounting hole 4 Support piece 5 Socket 12 Lock pin

Claims (9)

It consists of a pair of left and right building frames A, A and a scaffolding plate B constructed between each building frame A, A. The building frame A is constructed between a pair of longitudinal members 1 and longitudinal members 1, 1 above. and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to bridging the a to either or both of the pair of longitudinal members 1, 1 In the attachment device of the handrail to be attached, the bracket 3 which stands in the vertical direction and includes one or a plurality of attachment holes 3b, the support piece 4 integrally coupled to the bracket 3, and the fixing which stands at both ends of the support piece 4 are provided. Type socket 5 and rotary socket 5, and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3, and the rotary socket 5 has a U-shaped bracket 5a and a bracket 5a. A cylindrical body 5b inserted rotatably through a shaft, and The racket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the vertical member 1 through the mounting hole 3b, and the vertical member 1 is held by the support piece 4 and the fastening member P. An apparatus for attaching a handrail, wherein the handrail C is attached by detachably inserting a lower portion of the vertical column 6 of the handrail C into the cylindrical body 5b of the rotary socket 5 at least. It consists of a pair of left and right building frames A, A and a scaffolding plate B constructed between each building frame A, A. The building frame A is constructed between a pair of longitudinal members 1 and longitudinal members 1, 1 above. and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to bridging the a to either or both of the pair of longitudinal members 1, 1 In the attachment device of the handrail to be attached, the bracket 3 which stands up in the vertical direction and includes one or a plurality of attachment holes 3b, the support piece 4 integrally coupled to the bracket 3, and the two standing up at both ends of the support piece 4 Each of the rotary sockets 5 and 5 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. Each of the rotary sockets 5 has a U-shaped bracket 5 a and a bracket 5 a. A bracket 5b inserted rotatably via a shaft, and the bracket Is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the attachment hole 3b, and the longitudinal member 1 is held by the support piece 4 and the fastening member P, and at least An attachment device for a handrail, wherein the handrail C is attached by detachably inserting a lower portion of the vertical column 6 of the handrail C into the cylindrical body 5b of the one rotary socket 5. A hole 18 having a smaller diameter than the outer diameter of the vertical column 6 is formed in the support plate 4 corresponding to the axial part of the cylindrical body 5b, and a conical small diameter portion formed at the lower end of the vertical column 6 in the hole 18. The attachment device of the handrail of Claim 2 which has fitted 6a. It consists of a pair of left and right building frames A, A and a scaffolding plate B constructed between each building frame A, A. The building frame A is constructed between a pair of longitudinal members 1 and longitudinal members 1, 1 above. and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to bridging the a to either or both of the pair of longitudinal members 1, 1 In the attachment device of the handrail to be attached, the bracket 3 which stands in the vertical direction and includes one or a plurality of attachment holes 3b, the support piece 4 integrally coupled to the bracket 3, and the fixing which stands at both ends of the support piece 4 are provided. Type socket 5 and rotary socket 5 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 has a bracket 5d with one end open, and the bracket 5d. Connect to the support plate 4 while fitting and open one end A cylindrical body 5e, a cylindrical body 5n that is rotatably inserted under the cylindrical body 5e via a shaft 5g, and a stop pin 55 that is rotatably supported by the protruding portion of the bracket 5d. The bracket 3 is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the attachment hole 3b, and the longitudinal member 1 is held by the support piece 4 and the fastening member P. The lower part of the vertical column 6 of the handrail C is detachably inserted into at least the cylindrical body 5n of the rotary socket 5, and the open part of the bracket 5d is closed with the stop pin 55 so that the vertical column 6 falls down. A handrail attachment device, wherein the handrail C is attached while preventing it. It consists of a pair of left and right building frames A, A and a scaffolding plate B constructed between each building frame A, A. The building frame A is constructed between a pair of longitudinal members 1 and longitudinal members 1, 1 above. and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to bridging the a to either or both of the pair of longitudinal members 1, 1 In the attachment device of the handrail to be attached, the bracket 3 which stands up in the vertical direction and includes one or a plurality of attachment holes 3b, the support piece 4 integrally coupled to the bracket 3, and the two standing up at both ends of the support piece 4 It comprises two fixed sockets 5 and 5 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The one rotary socket 5 is a socket body and the upper end of the body is obliquely chamfered. The inclined surface 5i formed in this way and the guide pin 5 attached horizontally to the socket body Is composed of a, the bracket 3 attached detachably to the lock pin 12 for breath attachment projecting from the longitudinal member 1 through the mounting hole 3b, the vertical between the support piece 4 and the fastening member P The material 1 is held, and the handrail C is attached to the socket body of at least one of the sockets 5 by removably inserting the lower portion of the vertical column 6 of the handrail C from the inclined surface along the guide pin 5h. A handrail attachment device. It consists of a pair of left and right building frames A, A and a scaffolding plate B constructed between each building frame A, A. The building frame A is constructed between a pair of longitudinal members 1 and longitudinal members 1, 1 above. and a horizontal members 2 for supporting the scaffolding plate B, a pair of right and left Kenwaku a, the handrail C for replacement stationary or for serving to bridging the a to either or both of the pair of longitudinal members 1, 1 In the attachment device of the handrail to be attached, the bracket 3 which stands in the vertical direction and includes one or a plurality of attachment holes 3b, the support piece 4 integrally coupled to the bracket 3, and the fixing which stands at both ends of the support piece 4 are provided. Type socket 5 and rotary socket 5 and a fastening member P provided on the support piece 4 on the opposite side of the bracket 3. The rotary socket 5 has a bracket 5d with one end open, and the bracket 5d. Connect to the support plate 4 while fitting and open one end Cylinder 5e, a hook-like groove 5k formed in the lower portion of the cylinder 5e, and a stop pin 5f rotatably supported on the overhanging portion of the bracket 5d. It is detachably coupled to a brace mounting lock pin 12 projecting from the longitudinal member 1 through the hole 3b, and the longitudinal member 1 is held by the support piece 4 and the fastening member P, and at least the rotation The lower part of the vertical column 6 of the handrail C is detachably inserted into the cylindrical body 5e of the socket 5 and the pin 6d provided at the lower part of the vertical column 6 is fitted into the groove 5k. An attachment device for a handrail, wherein the handrail C is attached while the open portion of the bracket 5d is closed and the vertical pillar 6 is held vertically by the stop pin 5f and the pin 6d . The bracket 3 includes an elongated support plate main body 3a and a plurality of mounting holes 3b formed in the support plate main body 3a along the vertical direction. The support piece 4 is formed in a U-shape, and a pair of upper and lower horizontal plates 4a and 4b. And a curved portion 4c formed at the center of each horizontal plate 4a, 4b, and a lock pin 27 facing the curved portion 4c is detachably inserted between the pair of horizontal plates 4a, 4b. The handrail attachment device according to claim 1, 2, 3, 4, 5 or 6, wherein a wedge 28 is movably attached to the lower horizontal plate 4a so as to face the curved portion 4c. The handrail attachment device according to claim 1, 2, 3, 4, 5, 6 or 7, wherein one or both of the socket 5 and the vertical support 6 is provided with a locking member comprising a pin, a leaf spring, or a lever. . A handrail C is composed of a pair of left and right vertical columns 6 and 6 and a cross member 7 rotatably installed between the vertical columns 6 and 6, and a master rope guide 14 is slidably inserted into the cross member 7. 9. A handrail attachment device according to claim 1, 2, 3, 4, 5, 6, 7, or 8.

Images