JPS6026761A - Freely extensible walking passage - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an extensible walkway, and in particular, an extensible walkway that is constructed or suspended between horizontal supporting members such as beams of a constructed object to enable workers to walk or perform various tasks. Concerning a walkway.

When constructing structures such as ships or buildings, walkways are constructed between horizontal supporting materials such as pieces that protrude from the ship's side and beams of buildings in order to secure so-called work scaffolding and walkways for workers. be hung or hung. This hallway is 1
For example, as shown in Figure 2, a pair of support girders 1 that are longer than the spacing between the horizontal supports, a plurality of depipe pipes 2 whose racks are passed at appropriate intervals between the support girders 1, and this single pipe 2
A plurality of long scaffold boards 3 are placed on top, a plurality of supports 4 are fixed to the support beams 1 at their lower ends and are made of pipes, etc., and are fixed to the supports 4 using clamps 5. It consists of a handrail vibro which connects the pillars 4 in a head joint shape. On the other hand, the distance between the horizontal supports for constructing this walkway is not constant and may be long or short, so the support girders 1 and scaffolding boards 3 that make up one walkway should be at least larger than the distance between the horizontal supports. In addition, scaffolding boards 3 and support girder 1 members of various lengths must be prepared. Therefore, in order to obtain the desired walkway, it is necessary to prepare scaffolding boards 3 and girder members 1 of multiple lengths together with m number of pipe members, etc., and when storing them when not in use, a large storage space is required. It is uneconomical as it requires space. Furthermore, when assembling a desired walkway using these members, care must be taken as it is inconvenient to move the long scaffolding boards 3 and girder members 1, and the assembly work requires work at heights. Otherwise, the workability becomes extremely poor. Furthermore, once the walkway has been assembled, it is extremely difficult to move it to another location on a construction site with limited space.

There is also the inconvenience that the replacement work requires a great deal of effort and time.

In other words, the long scaffolding boards 3, etc. are so long that they cannot be carried by one person, and when multiple workers or cranes move them around in a narrow space, the long scaffolding boards 3 may collide with other building materials or structures. Moreover, changing the direction of travel was extremely troublesome.

Therefore, the present invention makes it possible to provide a desired walkway without assembling work at the installation site by using multiple members, and to easily replace the installed walkway. The purpose of this project is to provide a walkway that can be expanded and contracted.

In order to achieve this objective, the structure of the tooth 1 of the present invention is applied to a walkway that is constructed or vertically installed between horizontal supporting members such as beams of a construction object to allow workers to walk or perform various tasks. is characterized by consisting of a main hallway and a sub-corridor attached to one or both ends of the hallway, the length of which can be adjusted freely.The second configuration is characterized by having an opening on the inside along the longitudinal direction. The frame of the sub-corridor is held along the frame of the main corridor, allowing its length to be adjusted freely.Scaffolding boards are installed horizontally above, below, or inside the frame of the main corridor, and the frame of the sub-corridor is The present invention is characterized in that the frame is provided with a scaffold board extending horizontally through the opening.

The present invention will be explained below based on one diagram.

As shown in FIG. 2, the extendable walkway according to the present invention consists of a main walkway 10 and a sub-walkway 20.

Each has foldable handrails of 30° and 40°. The sub-corridor 20 is attached to one end or both ends of the main corridor 10 so that it can be moved in and out, and the entire length of one corridor can be expanded or contracted as desired by moving in and out. The facing hallway 20 may be of a sliding type, as long as it is assembled along the main hallway 10 to adjust its length.

The main hallway 10 has a pair of frame members 11.

A horizontal scaffolding board 12 connected between the inner sides of the finger members 11
The handrail 30 is attached to and layered on this finger member 11. As shown in FIG. 3, the finger member 11 is made of a shaped material that has a vertically elongated substantially drawing shape.
This allows the finger member 21, which is the frame of the sub-corridor 20, to be inserted into the interior thereof, and is held so that it does not come off vertically or outwardly. Further, this finger member 11 has an opening portion 1 along the longitudinal direction in the lower half portion of the inner side facing the other finger members 11.
1, through which the scaffolding board 22 fixed to the finger member 21 of the sub-corridor 20 can be inserted.

The opening part 11 has a supporting part 1a which projects horizontally toward the opposing girder member 11 at the upper edge thereof, and a scaffold board 12 is fixed to the supporting part 1]α. A rising IIJ is formed at the lower edge of the opening portion 11 of the first finger member 11.

The lower end of the finger member 21 of the sub-corridor 20 that slides inside is the main corridor 1
This prevents the finger member 11 from falling out from inside the finger member 11 in the lateral and vertical directions, and the leg stiffening member 13 is fixed between the rising edge IIJ to prevent the lower ends of the finger member 11 from expanding. are doing.

Note that reinforcing portions 1, 1c are formed at the upper and lower outer ends of the first finger member 11, but the reinforcing portions 11C are formed to such an extent that the outer body portion 11d of the finger member 11 has sufficient self-supporting properties. When it's something that exists.

Of course, the formation may be omitted. In addition, the support portion 11α protrudingly formed on the upper edge of the inner opening portion 11 of the first finger member 1 piece is provided to protrude in order to reinforce the inner body portion 1111 of the first finger member 11. As long as the inner body portion 11) is formed to have sufficient self-supporting properties, the formation of the protrusion may be omitted. If the formation of the supporting portion 11α protruding is omitted, it goes without saying that one scaffolding board 12 may be connected to the inside of the finger member 11 by using an appropriate connecting device or the like.

The scaffold board 12 may be provided inside the finger members 11 of the main hallway 10 as shown in Figure 3, but it may also be provided above or below the finger members 11.

Furthermore, the scaffolding board 22 of the sub-corridor 21 may be located lower than the scaffolding board 12 of the main corridor, as shown in Figure 9 of the main corridor 1.
A scaffold board 12 is fixed to the inner lower part of the finger member 11 of 0 with bolts, welding, etc., and a sub-walkway 20 that slides inside the finger member 11 is provided.
The scaffold board 13 provided on the finger member 21 may extend horizontally from the opening 11 and be positioned above the scaffold board 12 of the main hallway 10. 12 is.

As shown in Fig. 4 (a), it is formed in the form of a panel made of a thick metal plate, and the top surface has rib-like protrusions formed at appropriate intervals to prevent slipping 120L. have. Although the scaffolding board 12 is shaped like a metal panel in this embodiment, it may be replaced by a long scaffolding board made of plywood or the like. In short, if the main hallway 10 is configured to provide a walking path for workers, it will be a relief. Therefore, the anti-slip 12LL formed on the upper surface of the scaffold board 12 also
Of course, instead of the rib shape of the embodiment, it may be formed in a dot shape or a mesh shape. However, if it is formed into a rib shape as in this example,
There is an advantage that the durability against bending of the upper surface of the scaffold board 12 can be increased.

In addition, the scaffold board 12 in the present invention has one end upper surface formed into a curved surface part 1 at the end of the main hallway 10, as shown in FIG.
2b, and the front of the scaffolding board for the end is used to avoid creating a step, and the scaffolding board 12.
12, a scaffolding board 12 for adjusting small and medium-sized containers as shown in FIG. 4(c) is used.

The scaffolding boards 12 are connected by using rivets or bolts and nuts, and the scaffolding boards 12 and the girder members 11 are also connected by using rivets or bolts.

The sub-corridor 20 consists of a pair of girder members 21 and a scaffold board 22 laid between the girder members 21, and is constructed by sliding the girder member 21 within the girder member ll of the main hallway IQ. The sub-corridor 20 can be moved in and out of the lO, and a handrail 40 is attached to the girder member 21. This girder member 2
1, as shown in FIGS. 2 and 3, is a shaped material having an I-shape as a whole, and is formed protrudingly on the inner surface slightly below the center, that is, on the side surface facing the other girder member 21. It has a support portion 21α. This support part 21α
A scaffold board 22 is fixed to the base plate with rivets or the like. Further, reinforcing portions 216 are formed at the upper and lower outer ends of the girder member 21, and the reinforcing portions 21C are formed to such an extent that the solid shaft portion 21f of the girder member 2-1 has sufficient self-supporting properties. It goes without saying that the formation may be omitted if the However, this reinforcement part 2I
If C is formed, it serves as a guide when the girder member 21 is inserted into the girder member 11 of the main hallway 10, and has the advantage of ensuring the insertion.

The scaffolding board 22 installed in this sub-corridor 20 is similar to the scaffolding board 12 installed in the main hallway 10 described above in its main structure. That is, in its cross-sectional shape, there is no difference from that shown in Figures 2 and 4 (A), and the upper surface has a υ tab-shaped sliding stop 22α, but the length between the girder members 21 is Saga the main hallway lO
The length between the girder members 11 of the scaffolding board 12 is only slightly longer than that shown in FIG. As the scaffold board 12 at the end of the sub-corridor 200, the scaffold board 12 having the curved surface 12b as shown in FIG. The only difference is that only plate 21 may be used.

A pipe 23 having a corrugated cross section is interposed between the ends of the sub-corridor 20, that is, between the ends of the girder members 21.
In addition to preventing the space from expanding in the lateral direction, it also serves as a handle for pulling out the sub-corridor 20 from the main hallway 10 by a desired length (see Figures 2 and 3).
.

Therefore, if the girder members 21 of the sub-corridor 20 are pulled out from within the girder member of the main corridor 10, the length of the entire corridor will not be long. If it is pushed into the girder member 11, the length of the entire walkway will not be shortened, and the walkway can be made expandable and retractable.

As shown on the right side of FIGS. 2 and 5, the handrail 30 attached to the main hallway 10 has a column 31 whose lower end is foldably supported by the girder member 11, and a column 31 whose lower end is foldably supported by the girder member 11. It consists of a cross member 32 held in a joint-like manner. The handrail 40 attached to the sub-corridor 20 is also
As shown on the left side of the figure, it consists of a column 41 whose lower end is foldably supported by the girder member 21, and a cross member 42 held by this column 41, and this handrail cross member 42 is the main part of the end. It is interposed within the handrail horizontal member 32 of the walkway 10 and connected to it so that it can be freely entered and exited.

The struts 31 , 41 each correspond to the outer body 11 of the girder member 11 .
4 or the lower end portion thereof is inserted into a socket 33.43 fixed to the solid shaft portion 21f of the girder member 21, and each socket 33.43 has an eye hole 33, which is formed in the vertical direction. 43 is bored, and each of the long holes 33, 43
Inside is a pin 3 formed at the lower end of each support 31 and 41.
4.44 is inserted. Therefore, when each post 31.41 is pulled up so that its pin 34.44 rises along the elongated hole 33.43, the lower end of the name post 31.41 comes out of the socket 33.43, as shown in Fig. 6. In this way, the name post 31°41 rotates around its pins 34 and 44, and is folded in the longitudinal direction of the hallway.

Furthermore, the cross members 32, 42 are made of round pipes.

Clamps 35 pivotally attached to each support column 31.41 in two stages, upper and lower
．． It is held at 45. And this clamp 34.
44 each have a bolt 36.46, and by tightening the bolt 36.46, the cross member 32.42 inserted into the clamp 34.44 is secured. Note that the handrail cross member 42 of the handrail 40 of the sub-corridor 20 is to be inserted into the handrail cross member 32 of the handrail 30 of the main hallway lO.
Of course, the outer diameter of the cross member 32 is smaller than the inner diameter of the cross member 32. Therefore, when the columns 31, 41 are raised slightly and then folded down, the grid-shaped arms made up of the columns 31, 41 and the cross members 32, 42 are parallel to each other. It takes on the shape of a quadrilateral carving and is folded in the longitudinal direction of the walkway. Further, when folding the support column 41 of the handrail 40 of the sub-corridor 20, the cross member 42 can be pulled out from the clamp 44 and folded separately from the support column 41. In this case, the cross member 42 can be folded. , main hallway
It can be stored by being pushed into the cross member 32 of the handrail 30 of O.

Note that the cross-sectional shapes of the columns 31, 41 and the cross members 32, 42 in each handrail 30, 40 may be arbitrary. The point is that the column 31.41 is foldably held relative to the surgical element 11.21, with the cross member 32
, 42 are rotatably held by the respective columns 31, 41, and the lengths of one cross member 32 and the other cross member 42 are expandable and contractible between them. Also, pillar 31.4
1 may be detachably held on the surgical member 11.21 by using bolts and nuts, and may also be folded and held automatically by loosening the nuts.

In addition, in the walkways and corridors of the above-described embodiments, one stage of the sub-corridor 20 is provided at one end or both ends of the main corridor 10 so that the sub-corridor 20 can be freely entered and exited. This multi-stage sub-corridor 20 is formed into a main corridor l.
It is also possible to connect it to one end or both ends of O so as to be able to move in and out.

Figure 7 shows a retractable walkway according to another embodiment of the present invention, but unlike the walkway according to the above-described embodiment, the handrail is foldable in the longitudinal direction of the walkway. The hallway according to this embodiment is different in that the handrail is formed so that it can be folded freely in the short direction of the hallway.

That is, in the hallway according to this embodiment.

Sub-corridors 20 are attached to both ends of the main hallway 10 so as to be freely accessible, and the length of the entire hallway can be expanded or contracted by moving the 20-ft sub-corridor in and out of the main hallway 10.

The main hallway 10 has a scaffold board 12 between a pair of surgical members 11.
The sub-corridor 20 has a scaffold board 22 between a pair of surgical members 21.
The surgical member 21 is inserted into the surgical member 11 of the main hallway 10 so as to be freely removable. In addition, main hallway 1
0 and the sub-corridor 20 have handrails 30 and 4, respectively.
0 is attached. The handrail 30 is configured to form a frame by integrally connecting a cross member 32 to a column 31 whose lower end is attached to the surgical member 11 in a foldable manner. 11 is inserted into a socket 33 fixed to the socket 11. Then, when the handrail 30 is lifted upward so as to raise the lower end of the support column 31, it becomes possible to place it on the scaffold board 12 of the main hallway 10, that is, to fold it in the short direction of the hallway. A lower end of a column 31 and a socket 33 are formed. In addition, the handrail 40 of the sub-corridor 20 has a lower end that is connected to the surgical member 2.
The lower end of one support 4J is inserted into a socket 33 fixed to the surgical member 21. . The cross member 42 has one end locked to the support column 41 and the other end connected to the end of the handrail 30 of the main hallway 10.

Therefore, if the sub-corridor 20 is entered or exited from the end of the main corridor 10, the entire length of one corridor can be expanded or contracted, and if one handrail 30 is pulled up.

This means that it can be folded up so as to be stacked on the scaffolding board 12 of the main hallway 30.

Cross member 32 of the handrail 30 of the main hallway 10 in this embodiment
are used that do not have elasticity themselves,
Of course, it is also possible to use a highly elastic cross member 32 such as a chain instead of this. Also, 1-digit members 1.1, 21. Regarding the structure of the scaffolding board 12.22, the girder member 1.1.21 and the scaffolding board 12.22 in the embodiment shown in Fig. 2 are as follows.
Of course, the configuration is not different from that of .

The extendable walkway according to the present invention configured as described above is used in the following manner.

That is, when in use, it is moved to the desired installation location using a crane or the like, and placed on the horizontal support of the structure - for example,
In the case of a ship, the end of the sub-corridor 20 extended from the main corridor 10 is placed on a piece protruding from the ship's belly, or on a beam in the case of a building, so that the corridor can be bridged. Alternatively, both ends of the sub-aisle 20 may be suspended by chains or the like hung from horizontal supporting members such as pieces or beams, thereby creating a bridge over the aisle. When moving using a crane, etc.

The sub-corridor 20 is pushed into the main corridor 10.

It is preferable to keep the overall length in a shortened state, and in order to maintain this shortened state, it is sufficient to prevent the sub-corridor 20 from sliding out from within the main hallway 10.

In the present invention, as shown in Fig. 3, the girder member 11 of the main hallway
A pin 14 passing through the girder member 21 of the sub-corridor 20 is used to prevent the sub-corridor 20 from being removed from the main corridor 10. The pin 14 has a bendable tip and a bent rear end to facilitate penetrating operation into the single-digit member 11.21 and prevent it from falling off. In addition, when positioning one hallway at a desired position, the sub-corridor 20 is pulled out from the main hallway 10 by the required length while the hallway is suspended by a crane, etc., and the length is maintained as described above. Let the pin 14 pass through the girder member 11.21 again. For this reason, each girder member 11.2 of the main hallway 10 and the secondary hallway 20
1, fang 2 as shown in figure.

Holes 15 and 25 for the pins 14 to pass through are formed respectively.

Furthermore, when this walkway is lifted by a crane or the like and moved to a desired installation location, the handrails 30 and 40 are of course folded. After it is placed at the desired installation location, the handrail 30.40 is pulled up and the lower end of each support column 31.41 is connected to the socket 3.
By pushing it downward so that it fits into the 3° 43, it is possible to provide the desired handrail in the walkway. In addition, when performing reshuffling work, the handrails 30 and 40 should be
The lower end of the pillar 31.41 can be pulled out from the socket 33.43 by pushing it upward and folding it in the lengthwise or widthwise direction of one aisle, thereby making it more compact. It can be done easily.

As described above, by passing a frame between horizontal supporting materials such as beams, the walkway can be used for walking by one worker, and a so-called work scaffold can be secured for various operations on buildings etc. will be possible. When passing the frame on beams, etc. of the main corridor, it is sufficient to simply place it on top of the beams.

If the horizontal support members etc. sway, the walkway may fall, which is extremely dangerous. Therefore.

It is desirable that the ends of this walkway be fixed on the horizontal support member by any means, but in one embodiment, a fixing device 5o as shown in Fig. 8 is used.

That is, the ends of the extendable walkway according to the present invention are held by a fixing device 5o that is removably fixed to a horizontal support member such as a beam. This fixing device 50 includes a plurality of clamps 5 that are detachably fixed to a horizontal support member.
1, a bolt 52 protruding from this clamp 51, a plate 53 interposed on this bolt 52 and fixed by a nut 52, and a plate 53 held by this plate 53 to clamp the lower end of the girder member 21 of the sub-corridor 20. It consists of a clip 54. The plate 53 is provided with an elongated hole 53 through which the insertion point of the bolt 52 can be arbitrarily selected. Further, this fixing device 50 is configured to fix the lower ends of each of the pair of girder members 21 of the sub-corridor 20 on the horizontal support member, and each fixing device 5
0, since the width of the sub-corridor 20 is preset, a spacer 55 is disposed between both fixing devices 50 to match the width, and the fixing device 50 is integrally constructed.

Therefore, if the fixing device 50 described above is fixed in advance at a predetermined position on the horizontal support material, the end portion of the sub-corridor 20 of the hallway that is moved by a crane or the like can be easily fixed onto the horizontal support material.

In addition, when the telescopic walkway according to the present invention is used, a plurality of walkways are prepared, and the end of the sub-walkway 20 of one walkway is connected to the end of the sub-walkway 20 of the other walkway using fittings, etc. as appropriate. Alternatively, a bracket or the like may be provided in the middle of the main corridor 10 of one of the corridors, and the end of the sub-corridor 20 of the other corridor may be connected to the bracket as appropriate. Connect with tools,
Even when there is no other supporting material between the horizontal supporting members, the walkway may be made to be able to be extended vertically and horizontally.

As described above, according to the telescopic walkway according to the present invention,
When installing a walkway at a desired installation location, it is possible to install a desired walkway without having to prepare multiple members of different lengths or assemble the multiple members at the installation location. It becomes possible. As a result, it is possible to omit preliminary work such as ordering multiple parts to install one walkway, storing them, and setting up assembly work, as well as saving labor and time for assembling the walkway. , it is possible to shorten the construction period of the object to be constructed, reduce the cost required for construction, etc. Also, when lifting and moving with a crane etc., or when stacking or transporting when not in use, 1
Since the overall length of the walkway can be shortened and the handrails can be folded up, it can be turned into a so-called hangout, making it easy to lift it with a crane, stack it up when not in use, and transport it. It's also effective. Furthermore, a desired walkway can be provided regardless of the distance between the horizontal supports, and by using appropriate connectors,
It is possible to make the walkways even longer by connecting multiple walkways, and walkways can also be set up in a mesh pattern, which has the advantage of making it easy and reliable to secure one walking path for each worker and to secure the so-called work scaffolding. be.

[Brief explanation of drawings]

Figure 1 is a vertical cross-sectional view showing a conventional temporary walkway, Figure 2 is a perspective view partially showing an extendable walkway according to the present invention, Figure 3 is a vertical cross-sectional view showing a main hallway and a sub-corridor. Figure 4 (a) is a longitudinal sectional view showing the scaffolding board. Figures 4 (B) and 4 (C) are longitudinal cross-sectional views showing scaffolding boards according to other embodiments, Figure 5 is a vertical cross-sectional view showing the handrail together with the main walkway and sub-walkway, and Figure 6 is the vertical cross-sectional view of the handrail. Fig. 7 is a perspective view showing a telescopic walkway according to another embodiment of the present invention; Fig. 8 is a partial side view showing the standing and operating state; Fig. 8 shows the walkway according to the present invention fixed on a horizontal support member; FIGS. 1 to 9 are partial perspective views showing a fixing device for fixing devices. FIGS. 1 to 9 are partially cutaway vertical sectional views of a walkway according to another embodiment. 1O...Main corridor, 2Q...Sub-corridor, 30.4G...
・Handrail + 11.21...Girder member-12, 22...
Scaffolding board, 31.41... Support, 32.42... Cross member. Representative Patent Attorney Izumi Ohno Figure 8 Figure 9 1 Procedural amendment (spontaneous) Patent Application No. 134721, filed on February 7, 1982, 2, Title of invention: Telescopic walkway 3, Person making the amendment Relationship to the case Patent applicant name 4, agent address Yaesu Building, 2-10-8 Yaesu, Chuo-ku, Tokyo Name (673t) Patent attorney Izumi Amano 5, subject of amendment 1) Detailed description of the invention Column 2) Drawing 6, contents of amendment attached Sheet circular) Page 4 of the specification, line 4, “opening the pipe” should be corrected to read “single pipe”. 2) On page 7, line 16, ``in the lower half of the inside'' should be corrected to ``inside.'' 3) On page 19, line 8, "Of course, it is not different from the structure." is corrected to "It is the same as the structure." 4) Delete "53" on page 23, line 1. 5) Submit a copy of Figure 8 with the code “551” in red. Figure 8

Claims (10)

[Claims] (1) In a walkway that is constructed or suspended between horizontal supporting materials such as beams of a structure to allow workers to walk or perform various tasks, the walkway has a main walkway and a long walkway extending from one or both ends of the main walkway. A retractable walkway characterized by consisting of a sub-walkway with an attached side walkway whose length can be freely adjusted. (2) The extendable walkway according to claim 1, wherein the main walkway and the sub-walkway have handrails that are foldably attached. (3) The handrails attached to the main hallway and the sub-corridor are each made up of foldable pillars that hold the cross members, and the handrail cross members held by the pillars of the sub-corridor are placed next to the handrail in the main hallway. An extendable walkway according to claim 11 or claim 2, which is connected to a material so as to be able to go in and out. (4) The handrails attached to the main hallway consist of a frame with horizontal members attached to columns that are erected so that they can be folded, and the handrails that are attached to the side hallways are made of columns that are erected so that they can be folded. It is made by holding a horizontal member made of an elastic material such as a chain,
Alternatively, the extendable walkway according to claim 4-1, wherein the handrail of the main walkway is telescopically connected to the handrail cross member of the sub-walkway. (5) A patent in which the main hallway and the sub-corridor each have a scaffold board laid down, and the scaffold board in the sub-corridor is arranged so that its length can be freely adjusted above or below the scaffold board in the main hallway. A telescopic walkway according to claim +1. (6) Consisting of a main hallway and a sub-corridor attached to one or both ends of the main hallway, the length of which can be adjusted freely. The frame body of the sub-corridor is held along the frame body of the main hallway, which has an opening on the inside along the longitudinal direction, so as to be adjustable in length;
A telescopic walkway, in which scaffolding boards are provided horizontally above, below, or inside the frame of the main walkway, and scaffolding boards extending horizontally through the openings are provided on the frame of the sub-corridor. (7) The frame of the sub-corridor is above the frame of the main corridor. 7. A telescopic walkway according to claim 6, which is prevented from being removed downwardly or laterally. (8) The telescoping hallway according to claim 6, wherein the scaffolding board of the main hallway is located above the scaffolding board of the auxiliary hallway. (9) A telescopic walkway according to claim 2, wherein the scaffolding board of the main walkway is located below the scaffolding board of the sub-aisle. (10) The extendable walkway according to claim 6, wherein the frame of the main walkway is box-shaped.