JP6861118B2 - Slope construction method and mobile elevating scaffolding - Google Patents

Description

The present invention relates to a slope construction method and a mobile elevating scaffold used for the construction.

The masonry wall surface along the side position of the railroad track needs to be reinforced as it ages. If such a wall surface is a slope, the reinforcement work is performed by fixing the work table (scaffolding, etc.) horizontally according to the slope, but if the wall surface height is high, how many times The workbench must be fixedly installed and removed. Therefore, it takes a lot of time and effort, the construction period becomes long, many workers and heavy machinery are required, and a large amount of cost is required.

An object of the present invention is to make it possible to easily and safely perform slope reinforcement work and the like without fixing and installing a work table.

In the invention of claim 1, a guide mast is installed along the slope from the lower edge side to the upper edge side of the slope, and the drive unit is moved up and down along the guide mast by driving the drive unit. The work deck is connected and arranged so as to be horizontal to the drive unit via a connecting member, and the work deck is moved up and down together with the drive unit along the slope. In a slope construction method in which the entire surface is constructed, the connecting member has a main body portion and a plurality of support pieces formed so as to project from the main body portion, and a plurality of support pieces provided on the drive unit. the connecting portion of the first coupling part a plurality of which are formed on one side of the main body portion is coupled to the plurality of connection portions provided on the working deck, the plurality disposed on the support piece Two connecting portions are connected, and the second connecting portion is formed on the other surface side opposite to the one surface side on which the first connecting portion is formed, and is formed of a plurality of the second connecting portions. The shape connecting the positions is substantially the same as the shape connecting the positions of the plurality of first connecting portions, and the shape connecting the positions of the plurality of second connecting portions is plural. The shapes connecting the positions of the first connecting portions are overlapped with each other in a state of being rotated by the difference angle between the inclination angle of the slope and the vertical direction, and the connecting member is formed on the drive unit. By connecting the work decks in a state of being rotated by the difference angle , the work decks are horizontally connected to the drive units arranged along the slope. Provided is a method of constructing a slope characterized by doing so.

According to the slope construction method of the above invention, the work deck is moved up and down together with the drive unit along the guide mast provided from the lower edge side to the upper edge side of the slope, so that the entire slope is constructed. Construction will be carried out. In particular, since the work deck is always moved and arranged in a horizontal state, work such as reinforcement work can be efficiently and stably performed on the horizontal work deck at an appropriate height position on the slope.

In the invention of claim 2, a guide mast arranged in a vertical direction along a slope, a drive unit that moves up and down along the guide mast by driving a drive unit, and a connecting member connected to the drive unit. In a mobile elevating scaffold consisting of a work deck connected to the side surface of the drive unit via the connecting member, the connecting member includes a main body portion, a plurality of support pieces formed so as to project from the main body portion, and a plurality of support pieces. the has, on one surface of the body portion, the first connection part more to be coupled to a plurality of connecting portions provided on the drive unit is formed, said the support piece, the first connection parts on the other surface side opposite to the one surface side is formed, the second coupling part a plurality of which is coupled to a plurality of connecting portions provided on the working deck is formed, a plurality of the second connection The shape in which the positions of the portions are connected to each other is substantially the same as the shape in which the positions of the plurality of first connecting portions are connected to each other, and the shape in which the positions of the plurality of second connecting portions are connected to each other is , The shapes connecting the positions of the plurality of first connecting portions are formed so as to overlap each other in a state of being rotated by the difference angle between the inclination angle of the slope and the vertical direction. The working deck, which is connected by rotating the drive unit along the drive unit by the difference angle via the connecting member, is configured to be connected and arranged in a horizontal state. Provide a mobile elevating scaffold.

According to the second aspect of the present invention, the work deck is vertically moved and moved along the mast along the slope so that the work such as reinforcement work can be performed at an appropriate height position on the slope. You can. At that time, since the work deck is connected to the drive unit at an angle corresponding to the inclination angle of the slope, the work deck is always horizontal, and the work is easy and safe. The mobile elevating scaffold of the present invention is widely used for various construction work on various slopes.

In particular, according to the invention of claim 2, the work of connecting the drive unit and the work deck is facilitated by using the connecting member.

In the invention of claim 2 , by providing the heavy-duty machine tool on the work deck, it is possible to easily perform the construction on the slope at an appropriate height using the heavy-duty machine tool. By using, for example, a drilling machine as a heavy-duty machine tool, drilling to an appropriate height on a slope and driving of anchor bolts can be facilitated.

In the invention of claim 2 , the work table for construction of the side wall continuous with the side position of the slope is provided on the end portion of the work deck, so that the work table is continuous with the side position of the slope. Construction is carried out at a high position on the side wall.

In the invention of claim 2, the work deck is provided with an auxiliary work deck that can project toward the slope side, and the safety fence of the auxiliary work deck moves upward to the slope side according to the inclination angle of the slope. of varying the amount of protrusion of the protruding amount and the lower slope side, by becoming as possible placed close to the position along the slope, the construction work in proximity to the slope is performed safely.

According to the present invention, it becomes possible to easily perform work such as reinforcement work at an appropriate height position on a slope without fixedly installing a work deck, whereby the work period can be shortened and the number of workers can be reduced. , Significant cost reduction is possible.

External perspective view of the movable elevating scaffold of the present invention One side perspective view of the connecting member used for the mobile elevating scaffold of the present invention. The other side perspective view of the connecting member used for the mobile elevating scaffold of the present invention. A perspective view of the connecting side of the drive unit with the working deck in the mobile elevating scaffold of the present invention. A perspective view of the connection side with the drive unit of the work deck in the mobile elevating scaffold of the present invention. Explanatory drawing of connection configuration of the drive unit of the movable elevating scaffold of the present invention and a work deck Perspective view of different forms of the connecting side of the drive unit of the mobile elevating scaffold of the present invention with the working deck. Perspective view of the safety fence portion of the auxiliary work deck of the mobile elevating scaffold of the present invention. Phase diagram of another embodiment of the mobile elevating scaffold of the present invention

Preferred Embodiment of the invention

FIG. 1 shows a movable elevating scaffold 1, which is a guide mast 2 arranged vertically along a slope A and a guide mast 2 having a rack gear by rotating a pinion gear by driving a motor (drive unit) 3. It is composed of a drive unit 4 that moves up and down along the drive unit 4 and a pair of work decks 5 that are connected to both side surfaces of the drive unit 4. The work deck plate 5 is provided with a safety fence 8 at a position around the work deck plate 5.

Connecting the working deck 5 and the drive unit 4, FIG. 2, are conducted through the connecting member 9 of triangular shape shown in FIG. The connecting member (main body) 9 is formed by assembling H-shaped steel pieces into a triangle and fixing them by welding, and a support piece 11 made of H-shaped steel pieces is fixed by welding in the vicinity of each corner. On one surface side of each of the corner portions of the connecting member 9, each of the connecting pieces (first connecting portion) 12 having the fixing holes 14 is fixed and projected by welding. Each of the planar connecting pieces (second connecting portion) 13 is attached by welding to the side opposite to the surface of each of the supporting pieces 11 where the connecting piece 12 is located. The two connecting members 13 located on the upper side are provided with the connecting boss 15 projecting in the center and fixing holes 17 are provided on both sides thereof, and the one connecting member 13 located on the lower side is fitted with the connecting boss in the center. Holes 19 are provided and fixing holes 17 are provided on both sides thereof. Each of the connecting pieces 12 and each of the connecting pieces 13 are provided at positions where they are eccentric to each other by 25 °.

FIG. 4 shows the connecting side of the drive unit 4 with the working deck 5, and three connecting pieces 23 provided with the fixing holes 25 are fixed by welding and provided outward. FIG. 5 shows the connecting side of the working deck 5 with the driving side unit 5, and each of the three planar connecting pieces 31 is attached to the side surface of the support 29 of the truss structure supporting the deck plate 25 by welding. ing. The two connecting pieces 31 located on the upper side are provided with the connecting boss fitting holes 33 in the center and the fixing holes 35 are provided on both sides thereof, and the one connecting piece 31 located on the lower side is provided with the connecting boss 35 in the center. Is projected and fixing holes 35 are provided on both sides.

Hereinafter, the connection structure between the drive unit 4 and the work deck 5 will be described. Each of the connecting pieces 23 of the drive unit 5 and each of the connecting pieces 12 of the connecting member 9 are bolted in the fixing holes 25 and the fixing holes 14, respectively, and the working deck 5 side is attached to each of the connecting pieces 13 of the connecting member 9. Each of the connecting pieces 31 of the above is fixed, and the working deck 5 is connected and fixed to the drive unit 4. To fix the connecting piece 13 and the connecting piece 31, the connecting boss 15 is fitted into the connecting boss fitting hole 33, the connecting boss 35 is fitted into the connecting boss fitting hole 19, and bolts are fixed in each of the fixing hole 17 and the fixing hole 35. It is done.

FIG. 6 is an explanatory view of the mounting state. As described above, each of the connecting pieces 12 and the connecting pieces 113 are provided at positions where they are eccentric to each other by 25 °, so that the work deck 5 is in front. It is connected to the drive unit 4 at an angle of 25 ° so that the veranda is positioned downward with respect to the trailing edge. As a result, as shown in FIG. 1, the work deck 5 is always in a horizontal state with respect to the drive unit 4 which is positioned at an inclination of 25 ° along the slope A having an inclination angle of 65 °.

According to the movable elevating scaffolding 1 having the above configuration, by arranging the work deck 5 ascending and descending together with the drive unit 4 along the guide mast 2, various reinforcement works are performed at an appropriate height position on the slope A. The work can be performed, and the drilling machine 100 arranged on the work deck 5 facilitates drilling on the slope A and driving of anchor bolts. At that time, since the work deck 5 is always horizontal, the work can be performed easily and safely. A connecting member 9 having an eccentric angle between the connecting piece 12 and the connecting piece 13 corresponding to the inclination angle of the slope A is appropriately used.

FIG. 7 shows the connecting side between the working deck of the drive unit 4 and 5 in another embodiment, and in this embodiment, each of the planar connecting pieces 40 is fixed and attached to each of the connecting pieces 23 with bolts. .. By connecting these connecting pieces 40 to the connecting piece 31 of the working deck 5 without passing through the connecting member 9, the working deck 5 is connected to the drive unit 4 without being tilted. The connecting piece 40 is used when constructing a vertical surface on which the guide mast 2 is vertically arranged.

As shown in FIG. 8, one end of the work deck 5 is provided with an auxiliary work deck 110 used when performing reinforcement work in the vicinity of the slope A. The auxiliary work deck 110 is composed of an auxiliary deck plate 111 and a pair of safety fences 112 arranged along both sides thereof, and the auxiliary deck plate 111 has a slide structure from the lower part of the deck plate 25 of the work deck 5 during necessary work. Is pulled out by. The safety fence 112 is composed of a vertical frame member 115 for attachment, three horizontal crosspieces 116, and a front frame member 117 which is inclined and arranged, and the vertical frame member 115 is a vertical frame member 81 of the safety fence 8 of the work deck 5. It is attached by being fixed by two connecting clamps 119.

The tip portion 121 of each of the cross rail members 116 can be extended from the inside of the base portion 120, and the tip portion 121 is fixed to the base portion 120 by a fixing screw 122 at an appropriate extending position. As a result, the protrusion distance of the safety fence 112 toward the slope A side can be adjusted. Further, the lower end of the front frame member 117 is rotatably supported by the tip of the tip portion 121 of the lowermost cross rail member 116, and guide grooves 125 are provided at two places, and these guide grooves 125 are provided. Locking pins 126 (shown by dotted lines) projecting outward from the ends of the tip portions 121 of the two upper crosspieces 116 are locked. As a result, when each tip portion 121 of the cross rail member 116 extends, each of the locking pins 126 moves upward along each of the guide grooves 125, so that the upper portion of the front frame member 117 opens outward accordingly. Is displaced to. In this way, the inclination angle of the front frame member 117 can be adjusted along the slope A, so that when the auxiliary work deck 110 is arranged so as to project toward the slope A, the safety fence 112 Can be placed close to the position along the slope A, and the reinforcement work can be performed safely. In particular, since the inclination angle of the front frame member 117 of the safety fence 112 can be adjusted, there is an advantage that the safety fence 112 can be used in both construction sites having different inclination angles of the slope A.

FIG. 9 shows another embodiment. In this embodiment, the mobile elevating scaffolding 200 is used for reinforcing construction work between the inclined surface 211 and the side wall surfaces 212 of the drainage channel 210 of the dam. The movable elevating scaffold 200 is provided with two guide masts 213 arranged in parallel along the inclined surface 211. In the movable elevating scaffolding 200, each of the worktables 203 is placed and fixed at both end positions so that the workbench 203 can be reinforced at the high position H as well as the low position L of the wall surfaces 212 on both sides. There is.

1 Mobile elevating scaffolding 2 Guide mast 3 Motor (drive unit)
5 Drive unit 5 Work deck 9 Connecting member 12 First connecting part 13 Second connecting part

Claims (5)

A guide mast is installed along the slope from the lower edge side to the upper edge side of the slope.
The drive unit is arranged so as to move up and down along the guide mast by driving the drive unit.
A work deck is connected and arranged so as to be horizontal to the drive unit via a connecting member.
In a slope construction method in which the entire slope is constructed by moving the work deck up and down together with the drive unit along the slope.
The connecting member has a main body portion and a plurality of support pieces formed so as to project from the main body portion.
A plurality of first connecting portions formed on one surface side of the main body portion are connected to the plurality of connecting portions provided in the drive unit.
A plurality of connecting portions provided on the working deck, the second connection part of a plurality of provided in the supporting piece is connected, the second connecting portion, said one surface of said first connecting portion is formed The shape formed on the other surface side opposite to the side and connecting the positions of the plurality of second connecting portions is substantially the same as the shape connecting the positions of the plurality of first connecting portions. The shape in which the positions of the plurality of second connecting portions are connected to each other is the shape in which the positions of the plurality of first connecting portions are connected to each other in the inclination angle of the slope and the vertical direction. It is formed so that it overlaps while being rotated by the difference angle.
By connecting the work deck to the drive unit via the connecting member in a state of being rotated by the difference angle, the work deck is connected to the drive unit arranged along the slope. A slope construction method characterized by connecting and arranging decks in a horizontal state. A guide mast arranged vertically along the slope, a drive unit that moves up and down along the guide mast by driving a drive unit, a connecting member connected to the drive unit, and the connecting member via the connecting member. In a mobile elevating scaffold consisting of a work deck connected to the side of the drive unit,
The connecting member has a main body portion and a plurality of support pieces formed so as to project from the main body portion.
A plurality of first connecting portions connected to the plurality of connecting portions provided in the drive unit are formed on one surface side of the main body portion.
The support piece, the other surface side opposite to the first connecting portion and the one surface side is formed, a plurality of second connection portion that is connected to a plurality of connecting portions provided on the working deck Is formed , and the shape connecting the positions of the plurality of second connecting portions is substantially the same as the shape connecting the positions of the plurality of first connecting portions, and the plurality of second connecting portions are connected to each other. The shape connecting the positions of the connecting portions overlaps the shape connecting the positions of the first connecting portions in a state of being rotated by the difference angle between the inclination angle of the slope and the vertical direction. Has been formed and
The work deck, which is connected by rotating the drive unit along the guide mast by the difference angle via the connecting member, is connected and arranged in a horizontal state. A mobile elevating scaffold that features this. The work deck is provided with an auxiliary work deck capable of projecting to the slope side, and the safety fence of the auxiliary work deck is projected upward toward the slope side according to the inclination angle of the slope. The movable elevating scaffold according to claim 2, wherein the scaffolding is configured so as to be arranged close to a position along the slope by changing the amount of protrusion toward the slope side below. The mobile elevating scaffold according to claim 2 or 3, wherein a heavy-duty machine tool is provided on the work deck. The present invention according to any one of claims 2 to 4 , wherein a work table for construction of a side wall continuous with the side position of the slope is provided on the end portion of the work deck. The described mobile elevating scaffolding.

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