JPH10183988A - Working scaffold jig, working scaffold trestle, and working scaffold - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a jig, a trestle and a working scaffold which do not rely upon a conventional trestle or a trestle-like scaffold, which is simple, safe and lightweight. SOLUTION: A working scaffold jig 11 is composed of a means (scaffold set-up frame 12) in which a scaffold panel is inserted and set, and means (butterfly screws 16) for locking the inserted scaffold panel. A working scaffold trestle 1 is composed of the working scaffold jig 11, and leg parts 21 for supporting the scaffold jig 11. Further, a working scaffold is composed of more than two working scaffold trestles 1 and more than one or two of scaffold panels.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a work scaffolding jig,
The present invention relates to a work platform and a work platform, and particularly to those used mainly in a narrow room.

[0002]

2. Description of the Related Art Conventionally, when performing work such as ceiling work or interior work in a high place in a narrow room (for example, a room in a condominium), a stepladder is used alone as a work scaffold for an operator, or In some cases, a scaffold is passed between stepladders, and a stepladder constructed by binding the stepladder and the scaffolding plate with a rubber band is used.

[0003]

However, the above-mentioned conventional method has the following problems. (1) Since the stepladder is large and heavy,
It is inconvenient to move the stepladder in a narrow room, and there is a problem in that the stepladder moves and comes into contact with other interior finishing materials to cause damage. (2) Since the stepladder scaffold is constructed by binding a stepladder and a scaffold plate at a work site with a rubber band, it takes a great deal of labor and time to disassemble and assemble after use and is heavy. Therefore, there was a problem that the transportation was troublesome. (3) Since the stepladder or the stepladder scaffold has an unstable foot, there is a problem that the worker may lose his or her balance and drop when performing work on the stepladder. (4) If the stepladder or the work floor on which the stepladder scaffold is installed has a step, it is dangerous to use the stepladder alone because the step becomes unstable, and when using the stepladder scaffold, appropriate height adjustment is required. As a result, the scaffold cannot be kept horizontal, which is dangerous.

[0004] Therefore, there is a need to provide a working scaffold that has a simple structure, is highly stable, and is lightweight, regardless of the stepladder or the stepladder scaffold.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above problems, and includes means for inserting a scaffold plate and installing the scaffold plate. The present invention provides a work scaffolding jig characterized by comprising stopping means. This makes it possible to provide a work scaffolding jig, which is a component of the work scaffolding gantry that has a simple configuration, is highly stable, and is lightweight. Specifically, in the work scaffolding jig, the means into which the scaffolding board is inserted and installed is a scaffolding board installation frame having a scaffolding board insertion hole at the front and back, and locks the inserted scaffolding board. The work scaffold jig is provided with a thumbscrew that is screwed into a screw hole formed in a side surface of the scaffold plate installation frame.

Further, as another means, there is provided a work scaffolding stand comprising the work scaffold jig and a leg for supporting the work scaffold jig. Accordingly, it is possible to provide a work scaffolding gantry, which is an element constituting the work scaffold which is simple, highly stable and lightweight. Here, if the leg portion is configured to be extendable and contractable, it is possible to provide a work scaffolding gantry capable of appropriately adjusting the height. Specifically, the leg portion has one upper end fixed vertically to the lower portion of the work scaffolding jig and one inside of a column outer tube in which a plurality of adjustment outer holes are formed in a longitudinal direction. Inserting an adjustment pin so that the inner tube of the pillar in which the inner hole for adjustment is drilled is inserted, and when the position of the outer hole for adjustment matches the position of the inner hole for adjustment, the adjustment pin is inserted through both holes. Thereby, the work scaffolding gantry is provided which is configured to be extendable and contractible. Here, the leg portion is constituted by a plurality of columns, and if the columns are configured to be independently extendable and contractible, the scaffold plate can be kept horizontal even when there is a step on the work floor. In addition, it is possible to provide a work platform.

[0007] As still another means, one end of the scaffold plate is inserted into the work scaffold jig of the work scaffold base and locked using the work scaffold base described above, and the other end of the scaffold plate is connected to the work scaffold plate.
The present invention provides a work scaffold characterized in that the work scaffold is configured to be inserted and locked in a work scaffold jig of the work scaffold stand. This makes it possible to provide a work scaffold that has a simple configuration, is highly stable, and is lightweight. Here, in the work scaffold, if one end of each of the plurality of scaffold plates is inserted into and locked by the work scaffold jig of the work scaffold stand, and the plurality of scaffold plates are connected,
A longer working scaffold can be provided.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a working scaffolding jig, a working scaffolding stand, and a working scaffold according to the present invention. Here, FIG. 1 is a perspective view showing an embodiment of the work scaffolding jig and the work scaffolding gantry, and FIG. 2A is a front view showing an embodiment of the working scaffolding jig and the work scaffolding gantry. Yes, (b) is the side view, FIG. 3 is a front view showing a state in which the work scaffold is used on a horizontal work floor, and FIG. 4 is a state in which the work scaffold is used on a stepped work floor. FIG. 5 is a front view, and FIG. 5 is a side view showing the first embodiment of the work scaffold;
In FIG. 6, (a) is a plan view showing a second embodiment of the work scaffold, and (b) is a side view of the same.

[Description of Work Scaffolding Jig 11] (See FIGS. 1 and 2) The work scaffolding jig 11 has a role of inserting and locking the scaffold plate 3, and is installed with the scaffold plate 3 inserted. And means for locking the inserted scaffold plate 3. If the effect of inserting and locking the scaffold plate 3 can be obtained, the work scaffold jig 11 can be used.
Is not limited to the above configuration.

Here, as a means for inserting and installing the scaffold plate 3, a hollow rectangular tube having a hollow cross section that matches the cross-sectional shape of the scaffold plate 3 is considered from the viewpoint of simplification of the configuration. However, from the viewpoint of weight reduction, it is desirable to use the scaffold plate installation frame 12 having the scaffold plate insertion holes 13 at the front and rear. Specifically, for example, two scaffold plate insertion holes 13 which are frames having a hollow cross-section adapted to the cross-sectional shape of the scaffold plate 3 are prepared, and both inner surfaces thereof are formed in a plate-like connecting member 14.
If the scaffold plate installation frame 12 is firmly connected with the above, the required amount of members can be reduced as compared with the case of using the hollow rectangular tube, so that the weight can be reduced. As a material of the constituent members of the scaffold plate installation frame 12, it is usually considered that a steel material or the like is used from the viewpoint of securing the strength. desirable. The scaffold plate 3 is inserted from the scaffold plate insertion port 13 of the scaffold plate installation frame 12, and the scaffold plate 3 is installed. In addition, at a plurality of locations on the side surface of the scaffold plate installation frame 12, for example, at the intersection of the scaffold plate insertion port 13 and the connecting member 14,
Screw holes 15 into which screw screws 16 to be described later are screwed are respectively formed.

The means for locking the inserted scaffold plate 3 is formed on the side surface of the scaffold plate installation frame 12 from the viewpoint of easily constructing a means capable of easily and securely locking. It is desirable to use a thumbscrew 16 that is screwed into the screw hole 15. The tip of the thumbscrew 16 screwed into the screw hole 15 comes into contact with the side surface of the scaffold plate 3 which is inserted and installed in the scaffold plate installation frame 12, so that the scaffold plate 3 is easily and reliably locked. Things. If a screw hole or an engagement groove (not shown) is formed in the side surface of the scaffold plate 3, the tip of the thumb screw 16 is screwed into the screw hole, or the tip of the thumb screw 16 is fitted into the engagement groove. The contact between the parts enables stronger locking.

[Description of Work Scaffolding Stand 1] (See FIGS. 2 to 4) The working scaffolding stand 1 is an element constituting the work scaffolding 2,
It comprises a work scaffolding jig 11 and legs 21 for supporting the work scaffolding jig 11.

The leg portion 21 has a role of supporting the work scaffold jig 11. The work scaffold jig 1
The leg portion 21 may have any configuration as long as it is rigidly configured to obtain the effect of supporting the support member 1 and satisfies the requirement of reducing the weight with a simple configuration. Therefore, as a material of the constituent member of the leg portion 21, it is generally considered that a steel pipe or the like is used from the viewpoint of securing strength. However, in order to further reduce the weight, an aluminum pipe or the like is reinforced and used. Is desirable.

The leg portion 21 also has a role of adjusting the height of the work scaffolding gantry 1 and is configured to be extendable and contractible. Specifically, for example, the leg portion 21 is formed of a column outer tube 22 having an upper end portion vertically fixed to a lower portion of the work scaffold jig 11 and a plurality of adjustment outer holes 23 formed in a longitudinal direction. Inside, one adjustment hole 2
9 is preferably inserted and configured, and further configured by a plurality of columns,
It is desirable that the supporting columns are configured to be independently extendable and retractable. With such a configuration, the above-mentioned requirements (robust
It is possible to expand and contract while satisfying all (simple and lightweight).

The pillar outer tube 22 is a hollow pipe, and its upper end is perpendicular to the lower part of one scaffold plate insertion slot 13 of the scaffold plate installation frame 12 constituting the work scaffold jig 11. It is fixed to. A plurality of adjustment outer holes 23 are formed at appropriate intervals in the longitudinal direction, and the adjustment outer holes 23 penetrate in the diameter direction of the column outer tube 22. Further, a hook 25 is provided at a substantially central portion of the outer side surface thereof.
Are engaged. The adjusting pin 24 is provided with a wedge 24a that can be freely retracted as a stopper when the adjusting pin 24 is inserted into the adjusting outer hole 23 and the adjusting inner hole 29. Pillar inner pipe 2
7 has an outer diameter smaller than the inner diameter of the column outer tube 22;
The inside is a hollow pipe, which is inserted into the inside of the column outer tube 22. In addition, one adjustment inner hole 29 is formed in the upper part, and the adjustment inner hole 29 penetrates in the diameter direction of the support inner tube 27. Further, a rubber 28 is provided at a portion of one end thereof in contact with the work floor so as not to damage the work floor. Further, in the present embodiment, two each of the outer column 22 and the inner tube 27 of the column are used, and the outer column 22 is connected by one horizontal column 30, and the other column 22 is connected to the other column 22. The lower portions of the scaffold plate insertion ports 13 are connected by two diagonal columns 31, respectively, so that the working scaffold base 1 is firmly configured with a simple configuration.

When the work scaffolding gantry 1 is configured as described above, the work scaffolding gantry 1 is at a desired height by appropriately moving the support inner tube 27 inserted inside the support outer tube 22 up and down. After the height adjustment is performed, when the position of the adjustment outer hole 23 and the position of the adjustment inner hole 29 coincide with each other, the adjustment pin 24 is inserted so as to penetrate both holes, so that the leg 21 Expansion and contraction can be performed, and height adjustment of the work platform 1 can be performed. Here, as shown in FIG.
When the work floor is horizontal, the both support inner pipes 27 are extended from the support outer pipe 22 by the same length, and the work scaffolding base 1 is used. 3 can be kept horizontal. Also, as shown in FIG. 4, when there is a step on the work floor, one side (left)
The support inner pipe 27 is extended longer than the other (right side) support inner pipe 27 from the support outer pipe 22 and the work scaffolding base 1 is used. Can be kept horizontal.

[Explanation of Work Scaffold 2] (See FIGS. 5 and 6) The work scaffold 2 has a simple structure by combining two or more work scaffold bases 1 and one or two or more scaffold plates 3. It is designed to be stable and lightweight.

In the first embodiment as shown in FIG.
The work scaffold 2 inserts one end of the scaffold plate 3 into the work scaffold jig 11 of the work scaffold base 1 and locks the work scaffold plate 3.
The work scaffolding base 1 is configured to be inserted and locked in the work scaffold jig 11. That is, two work scaffolding gantry 1 are arranged at both ends of one scaffold plate 3 respectively.
When the work scaffold 2 is configured in this manner, the work scaffold plate 3 can be easily and reliably locked by the work scaffold jig 11 of the work scaffold base 1, so that the work scaffold 2 can be easily assembled. Also, disassembly after use is easy. In addition, as shown in FIG. 3, if the work scaffold 2 is configured in a state where the legs 21 of the work scaffold base 1 are expanded and contracted, the work scaffold 2 having a desired height can be obtained. Further, as shown in FIG.
One support inner tube 27 constituting the leg 21 of the work scaffolding base 1
If the work scaffold 2 is configured in a state where the work scaffold is extended, it is possible to obtain the work scaffold 2 that keeps the scaffold plate 3 horizontal even when the work floor has a step.

In the second embodiment as shown in FIG.
The work scaffold 2 is configured by connecting one end of each of the plurality of scaffold plates 3 to the work scaffold jig 11 of the work scaffold base 1 and locking the plurality of scaffold plates 3 together. That is, one end of each of the two or more scaffold plates 3 is
And a work scaffolding base 1 is arranged at the other end of the scaffold plate 3 in the same manner as in the first embodiment. If the work scaffold 2 is configured in this manner, the work scaffold 2 that is easy to assemble and disassemble can be provided in a longer length, which is very convenient when working in a continuous narrow place such as a balcony. . In addition, as shown in FIG. 3, if the work scaffold 2 is configured in a state where the legs 21 of the work scaffold base 1 are expanded and contracted, the work scaffold 2 having a desired height can be obtained in a long length. Further, as shown in FIG. 4, if the work scaffold 2 is configured in a state in which one support inner tube 27 constituting the leg portion 21 of the work scaffold base 1 is extended, even if the work floor has a step, the scaffold can be used. Work scaffold 2 to keep board 3 horizontal
Can be obtained in a long form.

[0020]

The work scaffolding jig according to the present invention comprises means for inserting and installing a scaffold plate and means for locking the inserted scaffold plate. , A work scaffold jig, and a leg supporting the work scaffold jig, further, the work scaffold according to the present invention, two or more of the work scaffold stand, and one or more scaffold plates Since they are configured in combination, they have the following effects.

(1) Since the work scaffolding stand provided with the work scaffolding jig is smaller and lighter than the stepladder, it can be easily moved even in a narrow room. It does not damage the interior finishing material. (2) Since the work scaffold is constructed by inserting and locking the scaffold plate into the work scaffold jig of the work scaffold stand, a stable and lightweight work scaffold with a simple configuration can be provided. That is, assembling and disassembly after use and use are easier than the stepladder scaffold. (3) The height of the work scaffold can be adjusted by expanding and contracting the legs of the work scaffolding stand provided with the work scaffolding jigs according to the situation of the work floor. And contribute to the safety of workers. (4) By connecting the scaffold plate via a work scaffolding stand provided with a work scaffold jig, a long work scaffold can be formed. It is convenient.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a work scaffold jig and a work scaffold gantry according to the present invention.

FIG. 2A is a front view showing an embodiment of a work scaffolding jig and a work scaffold stand according to the present invention, and FIG. 2B is a side view of the same.

FIG. 3 is a front view showing a state in which the work platform according to the present invention is used on a horizontal work floor.

FIG. 4 is a front view showing a state where the work scaffolding gantry according to the present invention is used on a work floor having a step.

FIG. 5 is a side view showing the first embodiment of the work scaffold according to the present invention.

FIG. 6 (a) is a plan view showing a second embodiment of the work scaffold according to the present invention, and FIG. 6 (b) is a side view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Work scaffold stand 2 Work scaffold 3 Scaffold plate 11 Work scaffold jig 12 Scaffold plate installation frame 13 Scaffold plate insertion port 14 Connecting member 15 Screw hole 16 Thumbscrew 21 Leg 22 Post outer tube 23 Adjustment outer hole 24 Adjustment pin 24a Wedge 25 Hook 26 Chain 27 Support Inner Tube 28 Rubber 29 Adjustment Inner Hole 30 Horizontal Support 31 Diagonal Support

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Tatsuzo Yokote 1-25-1, Nishishinjuku, Shinjuku-ku, Tokyo Taisei Corporation

Claims (8)

[Claims] 1. A work scaffolding jig comprising: means for inserting and installing a scaffold plate; and means for locking the inserted scaffold plate. 2. The work scaffolding jig, wherein the means for inserting and installing the scaffolding plate is a scaffolding plate installation frame having a scaffolding plate insertion hole in front and back, and locking the inserted scaffolding plate. The work scaffolding jig according to claim 1, wherein the means for performing is a thumbscrew that is screwed into a screw hole formed in a side surface of the scaffold plate installation frame. 3. A work scaffolding jig according to claim 1 or 2, and a leg supporting the work scaffolding jig according to claim 1 or 2. Do
Work scaffold stand. 4. The work platform according to claim 3, wherein the leg is configured to be extendable and contractible. 5. The leg portion has an upper end portion vertically fixed to a lower portion of the work scaffolding jig and a plurality of adjustment outer holes formed in a longitudinal direction. Inserting an adjustment pin so as to penetrate both holes when the position of the adjustment outer hole matches the position of the adjustment inner hole 5. The device according to claim 4, wherein the device is configured to be able to expand and contract.
The work scaffolding stand described in. 6. The work scaffolding platform according to claim 4, wherein the leg portion is configured by a plurality of columns, and the columns are configured to be independently extendable and contractible. . 7. A scaffold plate, wherein one end of the scaffold plate is inserted and locked into the work scaffold jig of the work scaffold stand according to any one of claims 3 to 6, and the other end of the scaffold plate is connected to the work scaffold plate. A work scaffold, wherein the work scaffold is configured to be inserted into and locked by a work scaffold jig of the work scaffold stand according to any one of claims 3 to 6. 8. The work scaffold, wherein one end of each of the plurality of scaffold plates is inserted and locked into a work scaffold jig of the work scaffold stand according to any one of claims 3 to 6. The work scaffold according to claim 7, wherein the work scaffold is configured by connecting a plurality of scaffold plates.