JPH09296599A - Scaffolding device for high lift work, intermediate support device for scaffolding board for high lift work, and leg member used therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffoling device that can set a scaffolding board for work to a high place easily and rapidly at the time of setting the scaffolding board to the high place to perform high lift work of a building side wall or the like and can adjust and set the scaffolding board into a position suited to work contents on demand besides being usable even under such conditions as a narrow construction site. SOLUTION: A scaffolding device for high lift work consists of main supports 2 parallelly placed against a building side wall in the state of leg members 5 mounted to the lower ends being fixed to the ground 11 by spike pins, and joint parts 9 at the upper ends being brought into contact with the building side wall 10, and scaffolding board brackets 4 mounted on the main supports 2 slidably in the longitudinal direction of the main supports and provided with a working scaffolding board 6 placed across. This scaffolding device is further provided with locking means each of which is formed of a locking edge 7 of the main support 2 and a lock pin of the support member 3 so as to lock the ascent position of the support member 3 and to loosen a locking claw by the operation of an operating rope from the ground to enable the support member 3 descend.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffolding device for aerial work, which is used to perform various works such as building side wall work and building gutter work, and an intermediate strut device for scaffolding plate for aerial work, and the same. The present invention relates to a leg member to be mounted on a vehicle.

[0002]

2. Description of the Related Art When performing various constructions on a building side wall, such as a building gutter construction, a work space for moving a little along the building wall and a material space for mounting construction materials are required for working at high places. Generally, a "scaffolding device with framed bar material" is temporarily installed along the side wall of the building to be constructed, and the worker places it on the scaffolding plate for work installed on the scaffolding device and puts the construction material on the work site. After the work is completed, the temporary scaffolding is removed.

[0003]

Since the above conventional scaffolding apparatus for working at high places needs to secure sufficient safety in construction, it is inevitable to ask a scaffolding construction expert. Since the bar material is framed and set along the entire side wall of the target building, it becomes a large-scale device. Therefore,
It takes a considerable number of personnel and days for temporary construction and removal, and considerable cost and construction period are consumed to set up the scaffolding for construction, which is only preparatory work for the main work such as building side walls. There are drawbacks that increase the cost and lengthen the construction period. And, especially in the case of partial repair work and maintenance / reform work where the main work is simple, the difficulty becomes remarkable.

Further, in the conventional scaffolding for working at high places, from the viewpoint of ensuring safety, it is necessary to restrict the bearing span of the scaffolding plate for work to 1.8 m or less, so that the frame structure made of bar material is extremely complicated. In addition to the above-mentioned difficulties, the height of the scaffolding plate and the relative space with the building that is suitable for the work content cannot be adjusted, which may make the construction difficult and affect the construction quality and work efficiency. To do.

On the other hand, although an aerial work vehicle in which a work box / basket is provided at the end of an extendable boom is also popular, it cannot enter a narrow road or a narrow work site. The reality is that we have to rely on skeleton scaffolds. The present invention provides a scaffolding device for work in high places, which solves the above-mentioned problems of the prior art.

[0006]

SUMMARY OF THE INVENTION The present invention for solving the above-mentioned technical problems is "a main strut which has its lower end set on the ground or the like and leans against a building side wall or the like in an upright posture with an arbitrary span, and the longitudinal length of each of the main strut. And a supporting member provided with a scaffolding plate bracket slidably combined in a direction, the supporting member being able to be lifted from below to raise the main column in the leaning posture and to be locked at an arbitrary position, A scaffolding plate for work is provided between the scaffolding plate brackets of the support member, which has locking means that allows the locking to be disengaged by manual operation from above the ground, etc. Scaffolding device for aerial work characterized by structure "
When,

"A main strut having its lower end set on the ground or the like and leaning against a side wall of a building, and a supporting member provided with a scaffolding plate bracket slidably combined in the longitudinal direction of the main strut. By pushing up from below, the main column in the leaning position can be raised to be locked at an arbitrary position, and the locking means can be disengaged by manual operation from the ground or the like, An intermediate strut device for a scaffolding plate for working at high places, which has a structure in which the scaffolding plate bracket of the supporting member set to be locked at the arbitrary position supports the middle of the bearing span of the scaffolding plate for construction installed at a high place. "When,

"Having a grounding plate, the scaffolding device for working at high places and the scaffolding plate for working at high places are detachably attached to the legs of the main columns of the intermediate column device, and are mounted by spike pins or lock weights. It is a leg member having locking means for locking and fixing the ground plate to the ground or the like. "

The above-structured scaffolding device for high-altitude work uses the main constituent members of the "main strut / supporting member / scaffolding plate bracket / leg member" on-site, or slides on the main strut. Set the supporting member in the shape of a long bar, set the upper half of it so that it protrudes from the main pillar, and make the upper end contact the building side wall etc. to make it a standing point for the scaffolding device, and set up a scaffolding board for work. A mode in which the position can be set to a high position from the ground, and a main pillar is a joint pillar structure in which the main pillar can be connected and separated in consideration of the convenience of transportation and storage is adopted.

Further, the above-mentioned intermediate strut device is, for example,
Widely applied as an intermediate strut for a conventional work platform for aerial work or a support span of a scaffolding plate for work that is passed between ordinary ladders.

[0011]

The above-structured scaffolding device for high-altitude work according to the present invention,
A pair of main columns are leaned against the side wall of the building to be constructed, and the scaffold plates of the supporting members combined with the main columns in the leaning position are placed between the scaffolding plate brackets and set on the construction site. By pushing the lower end of each of the right and left by an appropriate amount and locking it to the main column to raise it, the scaffolding for working at high places in which the scaffolding plate for work is set to the required height by one worker can be set in a short time. Then, the locking of the support member in the ascending locking state to the main pillar is disengaged by an operation on the ground, and the supporting member is returned to the original position by alternately descending right and left by an appropriate amount, and the main pillar is built. The scaffolding device for high-altitude work can be removed for a short time by only one person's work by removing it from the side wall or the like.

Since the constituent members before assembly can be carried by a vehicle such as a light truck or by human power, it can be carried and set even under conditions of a narrow road or a narrow work site. And
The height position of the scaffolding plate for work can be finely adjusted and changed by sliding adjustment of the slidable support member, and the relative space between the scaffolding plate for work and the construction wall surface can be adjusted by changing the leaning inclination angle of the main strut. The scaffolding board can be set at a position that suits the conditions to facilitate construction work.

On the other hand, the above-described intermediate strut device for scaffolding plate for high-altitude work according to the present invention is set in the middle of the span of the existing scaffolding plate for high-altitude work by the same operation as the scaffolding device for high-altitude work. Then, only one worker can easily and quickly perform intermediate reinforcement of the scaffolding plate. In the leg member of the present invention, the grounding plate is fixed / locked to the ground or the like by the spike pin or the lock weight, so that the standing posture of the main support columns standing on the ground or the concrete surface is stable, and the scaffolding is stable. The safety of the device is improved.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is implemented as in the following embodiments.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, referring to FIG. 1 and FIG. 2 showing an embodiment of a scaffolding device 1 for working at heights (hereinafter, simply referred to as scaffolding device 1) of the present invention, the scaffolding device 1 of the present invention has a lower end. On the ground 11
A pair of long bar-shaped main struts 2 which are fixed to the upper end of the joint 9 and lean against the building side wall 10, and the main struts 2 are superposed on each other and combined to be slidable in the longitudinal direction of the main struts 2. Further, the main part is constituted by the long bar-shaped supporting members 3 each having a substantially half length of the main strut 2, and the scaffolding plates 6 on which the working scaffolding plates 6 of slender plates are placed and passed. The bracket 4 is detachably provided. The support member 3 can be locked and set at an arbitrary position of the main column 2 in a leaning posture, and the support member 3 can be lowered and set by disengaging the lock set by a manual operation of an operator located on the ground 11. It has a stopping means.

More specifically (see FIG. 2), both the main support column 2 and the support member 3 are made of aluminum rectangular cylinders, and the upper surface of the main support column 2 having a total length of about 4 meters is locked in a saw blade shape continuous in the longitudinal direction. The blade 7 is provided, and the main column 2 of the support member 3 is provided.
A slit 8 through which the locking blade 7 is inserted is cut on the joint surface to the. The locking blade 7 is inserted into this slit 8 to be combined in a stacking posture, and is supported by a retaining ring 12 provided on the support member 3. The member 3 is slidably movable on the main pillar 2 while being superposed and held on the main pillar 2.

At the lower end of the support member 3, a locking pin 14 is provided at the tip of the rotatable lever 13, and the main support 2
In the leaning posture described above, the locking pin 14 engages with the locking blade 7 at an arbitrary position to prevent the supporting member 3 from descending, and the supporting member 3 can be locked and set at an arbitrary position of the main column 2. Then, the operation rope 1 connected to the locking pin 14
5 is pulled by a worker on the ground to lift the locking claw 14 (the bearing member 3 is slightly pushed up to move the locking claw 14).
, And the support member 3 is configured to be able to descend by its own weight. Further, in the support member 3 of this embodiment, when the support member 3 is in a posture of protruding from the upper end of the main support column 2, instead of the joint portion 9 of the main support column 2, a leaning point 25 is attached to the building side wall 10. Are projected in the shape of an arm.

In addition, the above supporting member 3 has
-75340 gazette or design registration No. 730788, scaffolding plate brackets 4 such as "supporters for scaffolding plates" are detachably provided, and scaffolding plate brackets 4 of bearing members 3 combined with a pair of main columns 2 are attached to scaffolding plate brackets 4. The work scaffolding plate 6 is set over and set, and the work scaffolding plate 6 is set to have an almost horizontal posture at an arbitrary position of the main pillar 2 which leans against the building side wall 10 and assumes an inclined posture.

The main pillar 2 of this embodiment is provided with a leg member 5 which is detachably attached to the lower end thereof, and the leg member 5 is an I-shaped ground plate 1 to be joined to the ground, concrete surface or the like.
6, an I-shaped abdominal plate 17 and an attachment part 19 for connecting the lower end of the main support column 2 by bolting, and a flange plate 18A.
8B is provided with a locking hole 21 through which the spike pin 22 passes,
One flange plate 18A is rotatably connected to the abdominal plate 17. The main support column 2 of this embodiment is provided with a connecting member including a connecting bar 32 that connects and disconnects the pair of main support columns 2 with one touch to connect them in a cross shape in parallel with each other at a predetermined span S.

Then, the rotatable flange plate 18A
Is rotated and set according to the situation of the ground 11, and the spike pin 22 is driven into the locking hole 21 to fix the leg portion of the main support column 2 to the ground 11 sufficiently and accurately. When the leg member 5 has a shape in which a spike pin is provided on the back surface of the ground plate 16 instead of the spike pin 22 or when the main pillar 2 is erected on a concrete surface or the like where the spike pin 22 cannot be driven, The lock weight 23 having a required weight is placed and fixed by pressing. In the figure, 24 is a safety handrail bridged between the scaffolding plate brackets 4, and 26 is a restraining band that stops the scaffolding plate 6 on the scaffolding plate brackets 4.

The scaffolding device 1 of the embodiment shown in FIG. 1 is used as follows. That is (see FIG. 3), the main support columns 2 and the supporting members 3 and the like are brought into the site in a disassembled state, and the main support columns 2 that are arranged side by side in the required span S by combining the main support columns 2, the supporting members 3, and the leg members 5 are installed. The work is set on the side wall 10 of the building to be leaned against and set, and spike pins are driven into the leg members 5 to be fixed. The support member 3 is located at the bottom dead center position 3L of the lower half portion of the main pillar 2, and the scaffolding plate 6 is provided thereover.

After that, one supporting member 3A is raised by an arbitrary stroke such as about 50 cm, the operating rope 15 is loosened in that state, and the locking claw 14 which rotates and descends by its own weight is engaged with the locking blade 7. In addition, the ascending posture of the support member 3A is locked and locked. Subsequently, the other support member 3B is similarly lifted and locked, and thereafter, this operation is sequentially repeated to sequentially raise, and the scaffold plate 6 is set in a substantially horizontal posture by setting it to a predetermined working position 3H and set at a high position. To do.

Then, the worker scaffolds the scaffolding board 6 from a ladder (not shown) which is installed in parallel with the main pillar 2 and leans against the side wall 10 of the building.
At the same time, the construction material is placed on the scaffolding plate 6 and the work is carried out. After the work is completed, the supporting members 3A and 3B are lowered little by little and returned to the original position in the same manner as the above-mentioned raising operation. , The scaffolding plate bracket 4 etc. are removed and disassembled and removed.

The scaffolding device 1 of the embodiment shown in FIG. 1 is made of aluminum and is light in weight and can be assembled and disassembled at a construction site. Only one worker on the side wall of a building can assemble and set the work by himself / herself. At the same time, you can dismantle and remove by yourself, so you can set up and remove construction scaffolding at low cost and quickly construct. Further, the support member 3 of the above embodiment is used.
Since it can be set by protruding from the upper end of the main support column 2, for example, it is possible to set a scaffolding for working at a height of about 5 meters above the ground, and also to fix the attached leg member 5 to the ground with spike pins 22, Since the lock weights 23 can be locked and fixed to a concrete surface or the like, the stability of the legs is good and the safety in construction can be secured. Then, by adjusting the inclination angle of the main pillar 2 with respect to the building side wall 10 and the height of the support member 3, the height and the building side wall 10 that facilitate the construction work can be achieved.
Since the scaffolding plate 6 can be set at a distance from, the construction quality and construction efficiency of the construction is improved.

Next, with reference to FIG. 4, an embodiment of the intermediate strut device 30 of the scaffolding plate for working at high places according to the present invention will be described. That is, the intermediate strut device 30 is a single rod body composed of the same main strut 2 and the supporting member 3 as in the embodiment of FIG. 1, and the supporting member 3 slides up and down in the longitudinal direction of the main strut 2 to engage at an arbitrary position. The supporting member 3 is provided with a cantilever-shaped scaffolding plate support bracket 31 that supports the scaffolding plate 6 set at a high place from below. And the building side wall 10
This intermediate column device 30 is set in the middle of the pair of ladders 33 leaning against each other and set on the side wall 10 of the building, and the scaffolding plate 6 supported by the ladder 33 having a wide span is supported from the lower side to reduce work load and The scaffolding plate 6 that is easily bent and "fluffy" due to the material load is supported stably.

As with the scaffolding device 1 for working at high places of the above-described intermediate strut device 30, only one worker can assemble, set and dismantle the scaffolding device for working at high places. Setting within (1.8 meters), the safety of the work can be secured by simple and efficient work. The intermediate strut device 30 is attached to the scaffold for aerial work in the conventional structure to improve the safety of the work scaffold, or is used together with the scaffolding device for aerial work in the conventional structure to scaffold the plate 6.
It is possible to simplify the structure of the skeleton for mounting the skeleton, and to improve the efficiency of setting work of the skeleton and reduce the cost.

The scaffolding device 1 for working at high places and the intermediate strut device 30 for scaffolding plate for working at high places of the present invention are not limited to the above-mentioned embodiment, and the main strut 2 is inserted and connected as shown in FIG.
Separable 2'and 2 "two-member construction is used to improve the convenience of transportation and storage, or the scaffolding plate bracket 4 may have another structure, or the locking blade 7 of the main support column 2 may be used. There are changes such as a partial blade shape which is intermittently arranged in the longitudinal direction of the main support column and the omission of the connecting bar 32.

[0028]

As described above, the scaffolding device for aerial work according to the present invention does not require a professional scaffold setting operator for the aerial work scaffolding for various works such as building side walls, and the building construction can be performed. Since only one worker can set up and remove it easily and quickly, the number of days and costs required for preparatory work for main work such as building side wall work can be shortened and reduced, and the construction cost of the main work can be reduced. And the construction period can be shortened.

Further, the scaffolding device for work in high places of the present invention is
The position of the scaffolding board for work can be changed and set at any time to a suitable position for the work content, which can improve the quality and efficiency of the building side wall construction, and can be used freely even on narrow roads and narrow working conditions. By enjoying the effect, it is possible to improve the convenience of the construction of high places where scaffolding is widely used.

Further, the intermediate strut device for scaffolding plates for work at high places according to the present invention is simply and quickly set in the middle of the bearing span of the scaffolding plate for work at high places, and the stability of the scaffolding plate contributes to the construction safety. In addition to making improvements, it can be used in conjunction with the scaffolding device using a bar material framework that is widely used in general, to simplify the structure of the bar material framework and reduce the cost of setting and removing the scaffolding device for work at high places and shortening the construction period. In addition, it is possible to reduce construction costs such as building side wall construction and shorten the construction period.

Further, in the leg member of the present invention, the standing postures of the above-mentioned scaffolding device for aerial work and the supporting device of the scaffolding plate for aerial work are mechanically stable irrespective of the conditions such as the ground and concrete surface, Ensure the safety of the device. There are various effects described above.

[Brief description of drawings]

FIG. 1 is a perspective view of a scaffolding device for working at heights according to an embodiment of the present invention.

FIG. 2 shows a main part of the scaffolding device for working at heights according to the embodiment shown in FIG. 1, (A) is a perspective view of a main strut and a supporting member in a superposed state,
(B) is a side view of the support member with the scaffolding plate bracket mounted, (C) is a cross-sectional view of the main support column and the support member in a superposed state,
(D) is a perspective view of the leg member

FIG. 3 is a perspective view showing a usage method and usage state of the embodiment of FIG.

FIG. 4 is a perspective view showing a structure and a usage state of an intermediate strut device for a scaffolding plate for working in high places according to an embodiment of the present invention.

FIG. 5 is a side sectional view of a main strut of another embodiment of the scaffolding device for working at high places / the scaffolding plate for working at high places of the present invention.

[Explanation of symbols]

 1 Scaffolding device for working at high places 2 Main column 3 Supporting member 4 Scaffolding plate bracket 5 Leg member 6 Scaffolding plate for work 7 Locking blade 8 Slit 9 Joint 10 Building side wall 11 Ground 12 Holding ring 13 Lever 14 Locking pin 15 Operation rope 16 Ground plate 17 Belly plate 18A ・ 18B Flange plate 19 Attachment part 21 Locking hole 22 Spike pin 23 Lock weight 25 Standing point 30 Intermediate support device 31 Support bracket 32 Connecting bar 33 Ladder

Claims (6)

[Claims] 1. A support provided with a main pillar that has its lower end set on the ground or the like and leans against a building side wall in an upright posture with an arbitrary span, and a scaffold plate bracket that is slidably combined in each longitudinal direction of the main pillar. The support member is made up of a member, and by pushing up from below, the main strut in the leaning position can be raised to be locked at an arbitrary position, and the locking can be disengaged by a manual operation from the ground or the like. A scaffolding device for high-altitude work having a structure in which a scaffolding plate for work is provided between the scaffolding plate brackets of the supporting member set to be locked at the arbitrary position. 2. A support member having a bar shape which is formed by superposing in the longitudinal direction of the main pillar and combined with each other, and has an upper end with a point for leaning against a side wall of a building or the like, and an upper half portion protruding from the upper end of the main pillar. The locking set is made possible by using
Scaffolding device for working in high places. 3. The scaffold plate bracket is detachable from the support member, and a connecting member for connecting a pair of main columns is provided, and the main column in a separated state, the scaffold plate bracket and the connecting member can be assembled and disassembled. The scaffolding device for high-place work according to claim 1 or 2, which is configured as described above. 4. The scaffolding device for working at high places according to claim 1, claim 2 or claim 3, wherein the main pillar has a joint pillar structure that can be connected and separated. 5. A main pillar having a lower end set on the ground or the like and leaning against a side wall of a building, and a supporting member provided with a scaffolding plate bracket slidably combined in the longitudinal direction of the main pillar. , Having a locking means that allows the main support post in the leaning position to be lifted and locked at an arbitrary position by pushing it up from below, and the locking can be disengaged by a manual operation from the ground or the like. , An intermediate column of a scaffolding plate for working at high places, which has a structure in which the scaffolding plate bracket of the supporting member locked and set at the arbitrary position supports the middle of the bearing span of a scaffolding plate for construction installed at a high place apparatus. 6. A main pole of the scaffolding device for working at high places according to claim 1, or a leg of the main strut of the intermediate supporting device of the scaffolding plate for working at high places according to claim 5, which has a ground plate. A leg member having a structure which is freely attached and has a locking means for locking and fixing the ground plate to the ground or the like by a spike pin or a lock weight.