JPH09156891A - Scaffold device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffold device which can execute various works safely on a slope, is high in the degree of freedom for a work, and full of wide usability. SOLUTION: This scaffold device is provided with a traveling carrier 1 having a self-traveling function and a lifter part 2 vertically movably loaded on the carrier 1, the lifter part 2 is constituted so that vertically movable at least two or more divided bodies 4, 5 are multisteppedly arranged, the respective divided bodies 4, 5 can be slided in the horizontal direction therebetween, and a horizontality regulating means 3 regulating horizontality of the lifter part 2 is interposed between the running carriage 1 and the lifter part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, excavation work on an inclined surface, anchor work, shaping work, joint finishing work for masonry retaining walls,
The present invention relates to a scaffolding device that can be used for a back digging work.

[0002]

2. Description of the Related Art For excavation work and shaping work on a sloped surface where a scaffold cannot be assembled from the ground, a lifeline is stretched from the upper part of the sloped surface, and the lifeline is used for the work. However, since the worker is hung on a lifeline and forced to work in a state where the work posture is bad, the work is not only harsh and has a high degree of fatigue, but also work efficiency is poor and it becomes an unstable dangerous work. . In addition, in jointing a masonry retaining wall, a method has been proposed in which a scaffold plate is horizontally installed between a plurality of brackets installed by using a drainage pipe. In this scaffolding technique, the bracket and the scaffolding plate need to be refilled for each step, and there is a drawback that a large amount of labor and labor is required for the refilling.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object thereof is to provide a scaffolding device capable of safely performing various works on an inclined surface. Another object of the present invention is to provide a scaffolding device which has a high degree of freedom of work and is versatile.

[0004]

SUMMARY OF THE INVENTION The present invention provides a scaffolding device having a traveling carriage having a self-propelled function and a lifter mounted on the traveling carriage so as to be vertically movable, wherein the lifter is slidable in a horizontal direction. The present invention is characterized in that horizontal adjusting means for adjusting the horizontality of the lifter section is interposed between the traveling carriage and the lifter section. Further, the present invention provides a scaffolding device comprising a traveling vehicle having a self-propelled function and a lifter unit mounted on the traveling vehicle so as to be vertically movable, in which at least two divided bodies in which the lifter unit is vertically movable are multistage. In addition to the above structure, the divided bodies are slidable in the horizontal direction, a work scaffold is provided at the uppermost part of the lifter part, and a horizontal part for adjusting the levelness of the lifter part between the traveling carriage and the lifter part. It is characterized by interposing an adjusting means. Further, the present invention is characterized in that, in the above-mentioned scaffolding device, a bearing boom for supporting the falling moment of the lifter portion by contacting the inclined surface is provided in a part of the lifter portion. Furthermore, the present invention is the scaffolding device as described above, wherein the leveling means comprises a plurality of leveling telescopic bodies which are interposed between the traveling carriage and the lifter portion so as to extend and contract, and an inclination sensor provided in the lifter portion. ,
It is characterized in that the expansion and contraction of each leveling elastic body can be individually controlled so that the lifter section becomes horizontal based on the inclination information of the lifter section by the inclination sensor. Furthermore, the present invention is characterized in that, in any of the above-mentioned scaffolding devices, a work machine is arranged in a part of the work scaffolding. Furthermore, the present invention is characterized in that, in any of the above-mentioned scaffolding devices, the work scaffold is rotatable, and further, the present invention is a traveling carriage having a self-propelled function, and a lifter unit mounted on the traveling carriage so as to be vertically movable. In the scaffolding device provided with, the above-mentioned scaffolding devices that operate in synchronization are arranged side by side at a distance, and a cross beam is laid horizontally between the upper parts of these scaffolding devices to move the work machine to the cross beam. It is characterized by being freely arranged.

[0005]

Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

<B> Overall Configuration FIGS. 1 and 2 are schematic views of a scaffolding device. The scaffolding device includes a traveling carriage 1 having a self-propelled function, a lifter unit 2 mounted on the traveling carriage 1 so as to be vertically movable and horizontally slidable, and interposed between the traveling carriage 1 and the lifter unit 2 and the lifter unit 2 is provided. The horizontal adjusting means 3 for ensuring horizontality is a basic component. Hereinafter, each part will be described in detail.

<B> Traveling bogie The traveling bogie 1 is a tire type or a crawler type, and is provided with a steering function, a fall prevention function (outrigger), and a counterweight if necessary.

<C> Lifter Section The lifter section 2 is constructed by stacking at least two divided bodies 4 and 5 in multiple stages, and the work scaffold 6 is placed on top of the upper divided body 5.
Is provided. Each of the divided bodies 4 and 5 has, for example, a foldable link member in which end portions of plate bodies connected in an X shape are rotatably connected to each other, and lower portions of these link members are provided to the substrates 7 and 8, respectively. A well-known vertical moving means that expands and contracts in the vertical direction can be adopted by horizontally sliding operation above.

It is not possible to deal with the inclined surface B by simply expanding and contracting the lifter portion 2. Therefore, the upper divided body 5 is configured to slide horizontally toward the inclined surface B with respect to the lower divided body 4. That is, the support plate 9 of the lower divided body 4
The board 8 of the upper divided body 5 is slidably mounted on the
Similarly, the work scaffold 6 is slidably mounted on the support plate 10 of the upper divided body 5, and the upper divided body 5 and the work scaffold 6 are configured to slide. In addition, pressure-bearing booms 11 and 12 having an expansion and contraction function are laterally attached to a part of the lifter unit 2, for example, the end portions of the work scaffold 6 and the substrate 8, and the free-ends of the pressure-bearing booms 11 and 12 are attached. A locking tool (not shown) such as a single or a plurality of fixing pins is provided, and the support tools 11 and 12 are individually controlled to expand and contract to allow the locking tool to penetrate into the inclined surface B and to move the lifter portion 2. It has a structure in which it is grounded on the inclined surface B and does not fall. The means for fixing to the inclined surface B is not limited to the fixing pin and may be a rotary drill body or a wheel.

In addition, a safety sensor circuit (interlock circuit) in which a grounding sensor is attached to the end faces of the support booms 11 and 12 and the upper division body 5 does not move up and down when the grounding signal of the grounding sensor is not output. Are equipped with. That is,
When the ground signal of the ground sensor provided on the lower support boom 11 is not output or when the ground signal of the ground sensor provided on the upper support boom 12 is output, the upper division body 5 moves up and down. It does not move, the ground signal of the ground sensor provided on the lower pressure bearing boom 11 is output, and the ground signal of the ground sensor provided on the upper pressure bearing boom 12 is not output for the first time. The upper divided body 5 is controlled to move up and down.

<D> Horizontal Adjustment Means A plurality of leveling telescopic members 13 are interposed between the upper portion of the traveling carriage 1 and the substrate 7 on the lower surface of the lifter unit 2. Each leveling elastic member 13 is a part of the lifter unit 2 ( In this example, it is individually controlled based on the tilt information of the tilt sensor 14 arranged on the substrate 7) so as to ensure the horizontality of the lifter unit 2. As the leveling telescopic body 13, a known telescopic means such as a screw mechanism or a gear mechanism can be applied in addition to the jack. Although not shown, each of the divided bodies 4 and 5 is provided with a ladder having a telescopic structure so that an operator can move up and down between the ground and the work scaffold 6.

[0012]

Next, a method of using the scaffolding device will be described.

As shown in FIGS. 1 and 2, the scaffolding device is self-propelled and carried into the work site. While self-propelled, fold the lifter section 2 low. Upon arrival at the site, the leveling means 3 is activated to keep the lifter section 2 horizontal.

Next, the divided bodies 4 and 5 which constitute the lifter portion 2
Is extended to raise the work scaffold 6. If the work position is high and the lifter 2 is expected to fall when the work platform 6 is lifted at once, only the lower divisional body 4 is first extended and then the upper divisional body 5 is tilted. It is advisable to extend the upper divisional body 5 after sliding it in the direction of the surface B to extend the lower pressure-bearing boom 11 and ground it to ensure stability, and then extend the upper divided body 5. The expansion / contraction operation and the slide operation of the lifter unit 2 are appropriately selected according to the site, and finally, with the work scaffold 6 raised to a predetermined height, the pressure-bearing booms 11 and 12 are moved to the inclined surface B. It should be grounded. Predetermined work is performed in this state.

When moving the working height in the vertical direction, it is necessary to release the ground contact with the inclined surface B.
After one or both of 2 is contracted, the lifter unit 2 is expanded / contracted to change the height of the work scaffold 6. Of course, it is not always necessary that the bearing booms 11 and 12 are grounded to the inclined surface B. It is assumed that each of the above operations is performed on the operation platform provided on the traveling carriage 1 or the work scaffold 6.

[0016]

Embodiment 2 FIG. 3 shows another scaffolding device in which the work machine 15 is mounted on the uppermost work scaffold 6 of the lifter section 2.
The working machine 14 includes, for example, a drilling means such as a rotary cutter, a drilling means such as a drilling machine, a painting means, a mortar spraying means, and other machines and devices according to the type of work. It is attached via a well-known mechanism that can be vertically and horizontally operated and expanded and contracted. Further, when the various work machines 15 are mounted, it may be configured to perform automatic operation in combination with various sensors or to be remotely controlled from the ground.

[0017]

[Third Embodiment] FIG. 4 shows a structure in which a horizontal beam 17 is provided between the upper portions of a plurality of scaffolding devices A and A arranged side by side at a predetermined distance, and the various work machines 15 described above are mounted on the horizontal beam 17. Figure 4 shows another deployed scaffolding device. The working machine 15 is the same as in the second embodiment.
In addition to the mechanism described above, it is configured to be movable along the lateral beam 17. Further, in order to enhance the stability and rigidity of the device, a reinforcing braces 18 are attached between the scaffolding devices A and A. The reinforcing braces 18 have a stretching function, and both scaffolding devices A,
It is automatically controlled to expand and contract in synchronization with the expansion and contraction of the lifter parts 2 and 2 of A. Further, the lifting and sliding of the plurality of lifter units 2 and 2 are also controlled in synchronization.

[0018]

Fourth Embodiment of the Invention Referring to FIGS.
May be horizontally rotatable. As a turning form, there are a form in which the lifter unit 2 is horizontally rotatable with respect to the traveling carriage 1 and a form in which the work scaffold 6 is horizontally rotatable with respect to the lifter unit 2. With such a configuration, the orientation of the work scaffold 6 can be arbitrarily changed without moving the traveling carriage 1, and the lifter portion 2 is swung 90 degrees with respect to the traveling carriage 1 to travel along the inclined surface B. There is an advantage that work can be performed while traveling the trolley 1.

[0019]

As described above, the present invention has the following effects. <B> Since the work scaffold can be operated along the slope even on an inclined surface, the worker can safely and efficiently perform various operations while riding on the work scaffold. Moreover, since it can be used for many work purposes, it is versatile. <B> By constructing the lifter unit with a plurality of divided bodies and adding a sliding function, the lifter unit can be extended / contracted along the slope even at a site where the sloped surface is undulating or steep.
Therefore, the working position can be easily changed. <C> Since the horizontal adjustment means for the traveling carriage and the lifter portion is provided, the levelness of the lifter portion and the work scaffold can be secured regardless of the stationary condition of the traveling carriage. Further, compared with the case where the traveling carriage itself is lifted to ensure the levelness, there is an advantage that the level adjusting means can be small and simple. <D> By providing a support boom that can be grounded on the inclined surface in a part of the lifter, it is possible to effectively prevent the lifter from falling. Also, if a locking pin such as a fixing pin is provided on the ground contact surface of the bearing boom, not only can the fall of the inclined surface be prevented, but
Lateral fall can be effectively prevented, and work safety is further improved. <E> By attaching various work machines to the work scaffold at the top of the lifter, it is possible to automate the work, and by exchanging the work machines, various work can be mechanized. <F> When a horizontal beam is laid across the upper parts of a plurality of scaffolding devices and various work machines are installed on the horizontal beam, the work range that can be performed without moving the traveling carriage is widened, which is advantageous for large-scale construction. <G> If the lifter is configured to be horizontally rotatable, the orientation of the work platform can be changed arbitrarily without moving the traveling carriage.
Work can be performed while the lifter unit is turned 90 degrees with respect to the traveling carriage and the traveling carriage travels along the inclined surface.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram of a scaffolding device according to a first embodiment of the present invention.

FIG. 2 is a rear view thereof.

FIG. 3 is a conceptual diagram of a partially omitted scaffolding device showing another embodiment in which the work scaffold is equipped with a work machine.

FIG. 4 is a conceptual diagram of a scaffolding device showing another embodiment in which a horizontal beam is horizontally installed between the upper parts of a plurality of scaffolding devices.

[Explanation of symbols]

 A ... Scaffolding device, B ... Inclined surface, 1 ... Traveling vehicle, 2 ... Lifter part, 3 ... Horizontal adjustment means, 4, 5 ... Divider of lifter part, 6 ... Working scaffolding, 7, 9 ... Board, 8, 10 ... Support plate, 11, 12 ... Bearing boom, 13 ... Leveling telescopic body, 14 ... Inclination sensor, 15 ... Working machine, 16 ... Guide rail, 17 ... Horizontal beam, 18 ... Reinforcing braces.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display area E04G 1/22 E04G 1/22 1/24 1/24 Z 1/36 1/36 A (72) Inventor Takanori Miyoshi 1-16-14 Shibuya, Shibuya-ku, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Tatsuro Chiba 1-16-14 Shibuya, Shibuya-ku, Tokyo Tokyu Construction (72) Inventor Hisashi Kubota 1-16-14 Shibuya, Shibuya-ku, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Takumi Nagase 1-16-14 Shibuya, Shibuya-ku, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Nakamura Kan Tokyu Construction Co., Ltd. 1-16-14 Shibuya, Shibuya-ku, Tokyo

Claims (7)

[Claims] 1. A scaffolding device comprising a traveling carriage having a self-propelled function and a lifter mounted on the traveling carriage so as to be movable up and down, wherein the lifter is slidable in a horizontal direction, and the traveling carriage and the lifter are separated from each other. A scaffolding device characterized in that a leveling means for adjusting the levelness of the lifter section is interposed therebetween. 2. A scaffolding device comprising a traveling carriage having a self-propelled function and a lifter portion mounted on the traveling carriage so as to be vertically movable, wherein at least two or more divided bodies in which the lifter portion is vertically movable are multistage. In addition to the horizontal structure, the above-mentioned divided bodies are slidable in the horizontal direction, a work scaffold is provided at the uppermost part of the lifter part, and the horizontal level of the lifter part is adjusted between the traveling carriage and the lifter part. A scaffolding device characterized by interposing an adjusting means. 3. The support boom according to claim 1 or 2, wherein a supporting pressure boom for grounding and supporting the falling moment of the lifter portion on an inclined surface is provided in a part of the lifter portion.
Scaffolding equipment. 4. The leveling expansion / contraction body according to any one of claims 1 to 3, wherein the leveling means is provided between the traveling carriage and the lifter portion so as to extend and contract, and an inclination provided on the lifter portion. A scaffolding device comprising a sensor, wherein the expansion and contraction of each leveling telescopic body can be individually controlled so that the lifter part becomes horizontal based on inclination information of the lifter part by the inclination sensor. 5. The scaffolding device according to claim 2, wherein a work machine is provided on a part of the work scaffolding. 6. The scaffolding device according to claim 1, wherein the work scaffold is rotatable. 7. A scaffolding device comprising a traveling carriage having a self-propelled function and a lifter mounted on the traveling carriage so as to be movable up and down, wherein the scaffolding apparatus operates in synchronization with each other. The scaffolding device according to claim 1, wherein the scaffolding devices are arranged side by side at a distance, a cross beam is laid across the upper part of the scaffolding device, and the working machine is movably arranged on the cross beam.