JP2023123249A - Unloading device - Google Patents

Abstract

To provide an unloading device that can stably transport materials to a high place without swaying back and forth from side to side, even when materials necessary to assemble scaffolding are placed on it, and to prevent materials, etc. falling outside the scaffolding even if the materials, etc. being transported fall.SOLUTION: An unloading device 2 comprises: a suspension fixture 10 with an engagement plate 11 that engages a suspension portion 3 of a lifting mechanism, and a plurality of L-shaped members 12 that are attached to the engagement plate 11 and place a fastening portion of a post 91; a pair of elevating bodies 20 that are raised and lowered along a pair of guide pipes 81, 82 arranged at intervals; a pair of elevating body fixing boxes 30, 40 that fix each of the pair of elevating bodies 20; a shackle 14 that connects the suspension fixture 10 and the pair of elevating body fixing boxes 30, 40; and a lifting frame 70 that holds the pair of lifting body fixing boxes 30, 40 so that the pair of lifting bodies 20 remain horizontal and are raised and lowered along the pair of guide pipes 81, 82.SELECTED DRAWING: Figure 1

Description

The present invention relates to a lifting device for transporting materials used for assembling scaffolding to high places.

Various types of scaffolding are used in construction work, and steel pipes and the like are used as materials for the scaffolding. is assembled.
In order to assemble scaffolding for mid-to-high-rise buildings, it is necessary to transport materials such as pipes to high places. Unloading devices are often used to raise and lower a loading platform on which materials are placed along a vertical rod-shaped member such as a guide rail, and various slings and unloading devices have been proposed to efficiently transport as many materials as possible at one time. ing.

For example, Patent Document 1 (Japanese Patent Application Laid-Open No. 2019-206436) discloses a lifting tool for lifting a rod-shaped member having a protrusion that protrudes outward on its peripheral surface, and is engaged with a lifting portion of a lifting mechanism. a connecting member, a vertical member extending in a first horizontal direction (left-right direction), and a plurality of horizontal members extending in a second horizontal direction (front-rear direction) perpendicular to the first horizontal direction; A member is attached to the longitudinal member or the transverse member, a central portion of the transverse member in the second horizontal direction is attached to the longitudinal member, and the spacing of the transverse members in the first horizontal direction is: larger than the lateral width in the direction perpendicular to the axial direction of the rod-shaped member and smaller than the outer width of the protrusion in the direction perpendicular to the axial direction, and at both ends of the lateral member in the second horizontal direction, vertical A sling is disclosed in which an upright portion is formed.
However, when materials (rod-shaped members such as posts) necessary for assembling a scaffold using the lifting tool of Patent Document 1 are lifted and transported by a lifting machine such as a winch, the lifting tool on which the materials are placed is blown by the wind. If the material on the hoisting tool swings left and right and back and forth due to being caught, there is a risk that the material on the hoisting tool will collide with the surrounding already-assembled scaffold posts, handrails, etc. and fall.

In addition, Patent Document 2 (Japanese Patent Application Laid-Open No. 2010-281072) discloses a scaffold in which a framework is formed by scaffolding pipes, a space for lifting and lowering a loading platform opened vertically in a part of the scaffolding, and the lifting and lowering of the loading platform. A pair of guide rails fixed to the scaffolding pipes on both sides of the space and installed vertically, a cage-shaped lifting platform arranged in the space for lifting and lowering the loading platform, A guide roller that rotates so as to run on a pair of guide rails and regulates the horizontal position of the loading platform; and a lift drop safety device that operates to stop the platform when it drops at a speed higher than a predetermined speed.
However, in the scaffold work lift of Patent Document 2, a part of the scaffold requires a space for lifting and lowering the loading platform. Because it is lifted and lowered along the path, it requires a large weight body called a basket-shaped loading platform, which not only makes the equipment large, but also the front half of the loading platform protrudes outside from the scaffolding, so it can be loaded on the loading platform. There is a risk of injury to workers outside the scaffolding if the materials on the scaffold fall or if the platform on which the materials are loaded falls.

Furthermore, Patent Document 3 (Japanese Patent Application Laid-Open No. 2021-67065) discloses a loading device equipped with an adjustment box that moves up and down along a vertical rod-shaped member having a circular cross section and a material carrier connected to the adjustment box. The adjustment box includes an elevating body that ascends and descends on the peripheral surface of the vertical rod-shaped member, and a fall prevention mechanism that prevents the material carrier from falling, and the fall prevention mechanism lifts the adjustment box. an engaging portion that engages with a lifting member of a lifting device; a locking member that is pressed against the peripheral surface of the vertical bar member so as to sandwich the peripheral surface of the vertical rod member when the lifting member is released; and the locking member. and a guide member for guiding the inclination of the lock member.
However, although the unloading device of Patent Document 3 does not require a space for raising and lowering the loading platform in part of the scaffolding unlike the lift for scaffolding work of Patent Document 2, it has the same problem as Patent Document 2, that is, it is difficult to assemble the scaffolding. Since the material carrier loaded with the materials used in the scaffolding is moved up and down along the pipe fixed to the scaffolding, a box-shaped heavy body with a large volume called the material carrier is required, which not only makes the equipment large, Since the entire material carrier protrudes outward from the scaffolding, there is a risk of injury to workers outside the scaffolding if the materials loaded on the material carrier or the material carrier that is loaded with materials falls. There is a problem of high volatility.

JP 2019-206436 A JP 2010-281072 A Japanese Patent Application Laid-Open No. 2021-67065

The problem to be solved by the present invention is that it does not use a box-shaped weight body with a large volume, does not make the device large-scale, and even if the materials necessary for assembling the scaffolding are placed, it shakes left and right and back and forth. It is possible to stably transport materials to high places without any trouble, and there is little risk of materials, etc. falling. It is to minimize the risk of harming workers.

A first aspect of the invention is a lifting device for transporting a rod-shaped material having a peripheral surface provided with a projecting portion that protrudes outward using a lifting mechanism. Lifting tool comprising a member and a plurality of rod-shaped material placing members attached to the engaging member for placing the projecting portion of the rod-shaped material, and a pair of vertical rod-shaped members arranged with a space therebetween. a pair of elevating bodies, a pair of elevating body fixing members that fix each of the pair of elevating bodies, a connector that connects the hanging fixture and the pair of elevating body fixing members, and the pair of elevating bodies An object of the present invention is to solve the above-mentioned problems by providing a lifting frame that holds the pair of lifting body fixing members so as to keep them horizontal and move up and down along the pair of vertical bar members.

The invention according to claim 2 provides a loading device, wherein the elevating frame includes a pair of vertical frames fixed to the pair of elevating body fixing members, and a horizontal frame spanned between the pair of vertical frames. to solve the above problems.

According to a third aspect of the invention, a lifting mechanism is used to transport a rod-shaped material having a protrusion protruding outward on the peripheral surface thereof, the engaging portion being engaged with the suspending portion of the lifting mechanism. a member, a pair of elevating bodies that ascend and descend along a pair of spaced apart vertical bar-shaped members, a pair of elevating body fixing members that fix each of the pair of elevating bodies, the engaging member and the a connector that connects the pair of lifting body fixing members; and a lifting frame that holds the pair of lifting body fixing members so that the pair of lifting bodies are kept horizontal and moved up and down along the pair of vertical rod-shaped members. and a hoisting tool provided with a plurality of rod-shaped material placement members that are attached to the lifting frame and on which the protrusions of the rod-shaped materials are placed, thereby solving the above-mentioned problems.

According to a fourth aspect of the invention, the lifting frame has a pair of vertical frames fixed to the pair of lifting body fixing members, and the lifting device is fixed to the pair of vertical frames. Then, the above problem is solved.

In the invention of claim 5, the rod-shaped material is a post used in a wedge binding scaffold, the projecting portion is a binding portion attached to the post, and the rod-shaped material placing member is the post. The above problem is solved by providing a cargo unloading device which is an L-shaped member arranged at intervals wider than the outer diameter of the .

The sixth aspect of the invention solves the above problems by providing a loading device in which the hoisting tool is provided with a plate-like material hooking member for hooking the plate-like material.

In the unloading device of the first aspect of the invention, since the protruding portion of the rod-shaped material can be placed on the plurality of rod-shaped material placement members of the hoisting tool, the device is large-sized without using a box-shaped weight body with a large volume. Since the pair of lifting body fixing members for fixing the pair of lifting bodies that move up and down along the pair of vertical bar members and the sling are connected by the connector, the materials necessary for assembling the scaffolding are reduced. Even when placed on a sling, materials can be stably transported to high places without swaying left and right, and there is little risk of materials falling. Since a pair of lifting body fixing members are held by the lifting frame so as to move up and down along the members, even if the material is placed on the hoisting tool and lifted, it rises smoothly with left-right balance, and the hoisting tool moves up and down. It is possible to minimize the danger of injuring workers, etc. by preventing materials, etc. placed on the scaffold from protruding forward, and even if the materials, etc. being transported, fall, they will not fall outside the scaffolding. It has the effect of

In the cargo unloading device according to the second aspect of the invention, the lifting frame further includes a pair of vertical frames and a horizontal frame. It is effective in being able to go up and down along the member.

In the unloading device according to the third aspect of the invention, since the protruding portion of the rod-shaped material can be placed on the plurality of rod-shaped material placement members of the hoisting tool, the device is large-sized without using a box-shaped weight body with a large volume. Since the sling is attached to the lifting frame that holds the pair of lifting body fixing members that fix the pair of lifting bodies that move up and down along the pair of vertical bar members without becoming Even if the material is placed on the sling, the material can be stably transported to a high place without swaying left and right, and there is little risk of the material falling. Since the pair of lifting body fixing members are held by the lifting frame so as to move up and down along the vertical rod-shaped member, even if the material is placed on the hoisting tool and lifted, the material can be lifted smoothly while maintaining left-right balance. The material placed on the tool does not protrude forward, and even if the material being transported falls, it will not fall outside the scaffolding, minimizing the risk of harming workers. It has the effect of being able to

In the cargo unloading apparatus according to the fourth aspect of the invention, furthermore, since the hoisting tools are fixed to the pair of vertical frames provided in the elevating frame, the swaying of the hoisting tools in the left-right and back-and-forth direction can be completely prevented. Play.

In the unloading device according to the fifth aspect of the invention, since the rod-shaped material placement member is an L-shaped member, it is possible to prevent the post of the rod-shaped material from slipping and falling from the rod-shaped material placement member. play.

In the unloading device of the sixth aspect of the invention, there is an effect that the plate-like materials can also be transported by the plate-like material hooking member.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view showing the structure of the whole unloading system containing the unloading apparatus of this 1st invention (invention which concerns on Claim 1), and this unloading apparatus. Figure 2 is a plan view of the unloading system of Figure 1; Figure 2 is a front view of the unloading system of Figure 1; Fig. 2 is a right side view of the unloading system of Fig. 1; 4 is a left side view of the shackle 14; FIG. FIG. 3 is a plan view, a rear view, a right side view, and an XX cross-sectional view of the lifting body 20. FIG. FIG. 10 is a plan view, a front view, a rear view, a left side view, and a right side view of a state in which the lifting body 20 and the clamp 50 are attached to the lifting body fixing box 30. FIG. 7A and 7B are a perspective view and a plan view of a vertical frame of an elevating frame 70, and a perspective view of a horizontal frame of the elevating frame 70. FIG. 1 is a perspective view of a long strut used in a wedge binding scaffold, and a perspective view of a tread plate used in the scaffold. FIG. FIG. 10 is a perspective view showing a state in which a strut 91 and a footboard 100 are placed on a sling 10 of the unloading device 2 and transported. It is a perspective view showing the structure of the whole unloading system containing the unloading apparatus of this 2nd invention (invention which concerns on Claim 3), and this unloading apparatus. Figure 12 is a plan view of the unloading system of Figure 11; Figure 12 is a front view of the unloading system of Figure 11; Figure 12 is a rear view of the unloading system of Figure 11; Figure 12 is a right side view of the unloading system of Figure 11; FIG. 10 is a perspective view showing a state in which a strut and a footboard are placed on the slings 20 and 30 of the unloading device 102 and transported.

[Overall Configuration of the Unloading Device of the First Invention]
FIG. 1 is a perspective view showing the configuration of the loading device of the first invention (the invention according to claim 1) and the entire loading system including this loading device, FIG. 2 is a plan view of the loading system of FIG. 3 is a front view of the unloading system of FIG. 1, and FIG. 4 is a right side view of the unloading system of FIG.
In the figure, 1 is a loading system, 2 is a loading device, 3 is a hook portion of the lifting device, 10 is a lifting tool, 11 is an engaging plate, 11a and 11b are holes, 11c and 11d are windows, 11e is a hanging piece, and 12 is an L-shaped member, 12a is a horizontal portion, 12b is a vertical portion, 13 is an inverted inverted-shaped member, 13a is a horizontal portion, 13b is an inclined portion, 14 is a shackle, 20 is an elevating body, and 30 and 40 are an elevating body. 71 is a vertical frame; 75 is a horizontal frame; 81 and 82 are guide pipes; is the direction.
As shown in the figure, the cargo unloading system 1 comprises a cargo unloading device 2, a lifting device provided with a hook portion 3, and guide pipes 81 and 82 for guiding the lifting of the cargo unloading device 2. The part becomes the hook part 3.
The unloading device 2 is composed of a sling 10, a shackle 14, an elevating body 20, elevating body fixing boxes 30, 40, clamps 50, 60, and an elevating frame .

[Hanging tool 10, shackle 14]
The hanging tool 10 is composed of a substantially pentagonal engaging plate 11, an L-shaped member 12, and an upside-down-shaped member 13, which serves as the engaging member of the present invention. , These constituent members are made of metal materials such as iron and aluminum, fiber reinforced plastics, and the like.
In the hanger 10, the engaging plate 11 has a substantially pentagonal shape, and has a hole 11a in the upper center, holes 11b in the left and right ends, and windows 11c and 11d in the left and right, respectively. A hanging piece 11e is provided on each of the left and right lower portions.
In the engaging plate 11, eight L-shaped members 12 arranged at equal intervals in the X direction are attached to the lower sides of the left and right windows 11c and 11d, respectively. A V-shaped member 13 is attached.
The L-shaped member 12 consists of a horizontal portion 12a and a vertical portion 12b. The protruding binding portion is placed on the horizontal portion 12 a of the L-shaped member 12 .
In addition, the inverted V-shaped member 13 is composed of a horizontal portion 13a and an inclined portion 13b, on which a plate-like material such as a footboard is hooked.
FIG. 5 is a left side view of the shackle 14, in which 14a is a ring portion, 14b is a bolt, and 14c is a nut.
The shackle 14 serves as a connector of the first invention, and includes a U-shaped ring portion 14a, a bolt 14b, and a nut 14c.
The shafts of the bolts 14b of the shackles 14 are inserted into the holes 11b at the left and right ends of the engaging plate 11 of the sling 10, and the nuts 14c are screwed together, so that the two shackles 14 are attached to the frame plate of the sling 10. 11 are attached to the left and right ends.
The number of L-shaped members 12 is not limited to 16 (8×2) shown in the drawing, but may be 2 to 30 depending on the length of the engaging plate 11 in the left-right direction. The number of the reverse-vertical-shaped members 13 is not limited to three as shown in the drawing, but may be appropriately selected within the range of 1 to 10.

[Elevator 20]
6(a) is a plan view of the lifting body 20, FIG. 6(b) is a rear view of the lifting body 20, FIG. 6(c) is a right side view of the lifting body 20, and FIG. 6B is a cross-sectional view taken along line XX of FIG. 6B; FIG.
In the figure, 21 is a frame, 21a is a frame main body, 21b is an end portion, 21c is a ring portion, 21d is a hole, 22 is a first ball bearing, 23 is a second ball bearing, 24 is a split pin, and GA is a gap portion. be.
The lifting body 20 has a structure including a C-shaped frame 21 , a pair of first ball bearings 22 , a pair of second ball bearings 23 and split pins 24 .
The frame 21 is composed of a frame body 21a having a circular cross section, an end portion 21b, and a ring portion 21c located opposite the end portion 21b, and a hole 21d is formed in the ring portion 21c.
An end portion 21b of the left frame body 21a and an end portion 21b of the right frame body 21a are separated from each other to form a gap portion GA.
The first ball bearings 22 are fitted in the ring portion 21c side of the frame body 21a and are arranged in pairs so as to face each other.
The second ball bearings 23 are fitted in the end portion 21b of the frame body 21a and arranged in pairs so as to face each other.
In this case, the outer diameter of the end portion 21b is slightly smaller than the outer diameter of the frame body 21a, and the end portion 21b is a stepped portion so that the second ball bearing 23 does not move toward the frame body 21a.
The split pin 24 prevents the second ball bearing 23 from coming off, and is inserted into a pin hole provided at the tip of the end portion 21b.
The guide pipes 81 and 82 are inserted inside the frame 21 of the lifting body 20, the first ball bearing 22 and the second ball bearing 23 roll on the peripheral surfaces of the guide pipes 81 and 82, and the lifting body 20 is guided. It goes up and down along pipes 81 and 82 .

[Elevating body fixing boxes 30, 40, clamps 50, 60]
7A and 7B are views showing a state in which the lifting body 20 and the clamp 50 are attached to the lifting body fixing box 30. FIG. 7A is a plan view, FIG. 7B is a front view, and FIG. Fig. 1(d) is a left side view, and Fig. 1(e) is a right side view.
In the figure, 31 is a box frame, 31a is a top plate, 31b is a front plate, 31c is a side plate, 31d is a bottom plate, 11e is a vertical frame, 32 is an eyebolt, 32a is a ring, 32b is a shaft, and 32c is a nut. , 32d is a washer, 25 is a fixing bolt, 26 is a nut, 51 is a clamp body, 52 is a clamp piece, 53 and 54 are pins, 55 is a tightening bolt, 56 is a nut, 57 is a mounting bolt, and 58 is a nut. .
The lifting body fixing box 30 is a lifting body fixing member of the first invention, and consists of a box frame 31 and an eyebolt 32. The box frame 31 is composed of an L-shaped upper plate 31a, a front plate 31b, and a side plate. The eyebolt 32 includes a face plate 31c, a bottom plate 31d and a vertical frame 11e. The eyebolt 32 includes a ring 32a and a shaft portion 32b.
An insertion hole is provided in the lower right portion of the top plate 31a of the box frame 31, and the shaft portion 32b of the eyebolt 32 is inserted through this insertion hole, and a nut 32c is screwed onto the tip of the shaft portion 32b to secure the top plate 31a. The eyebolt 32 is fixed to.
The upper left portion of the bottom plate 31d of the box frame 31 has a semicircular bulging shape, and the semicircular portion is provided with an insertion hole through which the fixing bolt 25 is inserted.
Then, the frame 21 is placed on the bottom plate 31d of the box frame 31 so that the hole 21d of the C-shaped frame 21 of the lifting body 20 and the insertion hole of the bottom plate 31d are aligned, and the fixing bolt 25 is inserted into the hole 21d. and the bottom plate 31d, and the nuts 26 are screwed onto the fixing bolts 25, whereby the lifting body 20 is fixed to the box frame 31. As shown in FIG.

As shown in FIG. 7, the clamp 50 includes a clamp body 51, clamp pieces 52, mounting bolts 57, and the like.
In the clamp 50, the right end side of the clamp piece 52 is rotatably connected to the right end side of the clamp body 51 by a pin 53, and the clamping bolt 55 is rotatably connected to the left end side of the clamp body 51 by a pin 54. A mounting bolt 57 is mounted on the rear side of the clamp body 51 so as to protrude outward.
Then, the mounting bolt 57 is inserted into an insertion hole provided at a position near the center left of the front plate 31b of the box frame 31, and a nut 58 is screwed onto the mounting bolt 57 and tightened, so that the clamp 50 is attached to the box frame. 31.
Also, the lifting body fixing box 40 serves as the lifting body fixing member of the first invention, and has a symmetrical structure with the lifting body fixing box 30, and the box frame 31 has a symmetrical structure. The clamp 60 has the same structure as the clamp 50 and has the same clamp body, clamp piece, mounting bolt, etc. as the clamp body 51, clamp piece 52, mounting bolt 57, etc. arranged symmetrically.
Similarly to the box frame 31 of the connecting box 30, the lifting body 20 is fixed to the bottom plate of the box frame of the lifting body fixing box 40. , a clamp 60 is fixed by a mounting bolt and nut in the same manner as the clamp 50.

[lifting frame 70, guide pipes 81, 82]
8A is a perspective view of the vertical frame of the lifting frame 70, FIG. 8B is a plan view of the vertical frame of the lifting frame 70, and FIG. 8C is a perspective view of the horizontal frame of the lifting frame 70. In the figure, 71 is a vertical frame, 72 is a vertical pipe, 73a to 73d are pocket fittings, 74a to 74d are pocket portions, 75 is a horizontal frame, 76 is a horizontal pipe, and 77a and 77b are wedge portions.
As shown in FIGS. 1 to 4, the lift frame 70 consists of a pair of vertical frames 71 and two horizontal frames 75. As shown in FIGS.
The vertical frame 71 is a short strut used for wedge binding type scaffolding, and is composed of a vertical pipe 72 and pocket metal fittings 73a to 73d.
The pocket metal fittings 73a to 73d have a U-shaped horizontal cross section. Pocket portions 74a to 44d are formed between 73d and the circumferential surface of the vertical pipe 72. As shown in FIG.
The horizontal frame 75 is a handrail that is used in combination with the support of the wedge binding type scaffolding, and the horizontal pipe 76 is composed of wedge portions 77a, 77b and the like.
In the lift frame 70, a pair of vertical frames 71 are arranged side by side in the X direction (horizontal direction). , wedge portions 77a and 77b of two horizontal frames 75 arranged in the Z direction (vertical direction) are fitted.

The guide pipes 81 and 82 are long metal pipes that serve as a pair of vertical rod-like members in the first invention, and are arranged side by side in the X direction (horizontal direction) with a gap between them. It is fixed to a support post or the like (not shown) of the part.
Further, as shown in FIGS. 1 to 4, the upper side of the vertical pipe 72 of the left vertical frame 71 constituting the lifting frame 70 is clamped and fixed by the clamp 50 fixed to the lifting body fixing box 30, and the lifting frame 70 is fixed. The upper side of the vertical pipe 72 of the right vertical frame 71 constituting the The lifting frame 70 is integrally lifted along the guide pipes 81 and 82 .

[Assembly of unloading system 1]
Assembly of the unloading system 1 shown in FIGS. 1 to 4 will be described.
First, the left guide pipe 81 is attached to one of two supports or the like erected on the ground to form a scaffold, and the right guide pipe 82 is attached to the other support.
Next, the lifting body fixing boxes 30 and 40 to which the lifting body 20 is fixed are clamped and fixed to the two vertical pipes 72 on the left and right of the lifting frame 70 by the clamps 50 and 60 .
Then, the lifting body 20 is passed through the guide pipes 81 and 82 (the guide pipes 81 and 82 are positioned between the first ball bearing 22 and the second ball bearing 23).
In this state, the holes 11b at the left and right ends of the frame plate 11 of the sling 10 and the rings 14a of the eyebolts 14 of the lifting body fixing boxes 30 and 40 are connected by the shackles 14. As shown in FIG.
Finally, the hook portion 3 of the lifting device is hooked to the hole 11a in the upper portion of the frame plate 11 of the lifting device 10. As shown in FIG.
As a result, the lifting device 10 is lifted by the lifting device, and the lifting body 20, the lifting body fixing boxes 30 and 40, and the lifting frame 70 are integrated together in a state in which the lifting body 20 is kept horizontal and along the guide pipes 81 and 82. rise.

[Transportation of materials by unloading system 1]
Fig. 9 is a diagram showing an example of materials transported by the unloading system 1 (unloading device 2), Fig. 9(a) is a perspective view of a long strut used for a wedge-clamping scaffold, Fig. 9 (b) is a perspective view of a footboard used for scaffolding, in which reference numeral 91 denotes a post; 92, a vertical pipe; 93 and 94, pockets; and 100, a footboard.
The strut 91 consists of a long vertical pipe 92 and pocket portions 93 and 94, as shown in FIG. 9(a).
The pocket portions 93 and 94 serve as binding portions in the present invention, and are the same as the pocket portions 74a to 74d formed by the pocket fittings 73a to 73d of the vertical pipe 72 of the vertical frame 71. As shown in FIG.
The footboard 100 is a plate-shaped material in the present invention, and as shown in FIG. 9B, a net is attached to a rectangular frame, and brackets and hooks for hanging on handrails are attached to the four corners of the frame. It is
In addition, the rod-shaped material in the present invention is not limited to the post having the pocket portion as described above, and may be a post having a flange metal fitting. .
Further, the plate-like material in the present invention is not limited to the treads, and may be antis (cloth boards), scaffolding boards, and the like.

FIG. 10 is a perspective view showing a state in which the strut 91 and the footboard 100 are placed on the sling 10 of the unloading device 2 and transported.
As shown in FIG. 10, on the L-shaped member 12 of the sling 10, the pocket portions 93 of the struts 91 are placed across the adjacent horizontal portions 12a (in the figure, the eight struts 91 are L-shaped). The horizontal portion 12a of the member 12 is placed on the horizontal portion 12a of the member 12). The tread plate 100 is hooked on.
In this case, the vertical portion 12b of the L-shaped member 12 prevents the pocket portion 93 from slipping on the horizontal portion 12a and the post 91 from falling, and the sloped portion 13b of the inverted-shaped member 13 prevents the footboard 100 from falling. Slipping down from the horizontal portion 13a of the upside-down character-shaped member 13 is prevented.
When the lifting device 10 is lifted by the lifting device, the lifting body 20 rises along the guide pipes 81 and 82, and the lifting body fixing boxes 30 and 40 and the lifting frame 70 also rise together with the lifting body 20. The strut 91 and the footboard 100 on the sling 10 are carried to a high place.
At this time, since the hoisting device 10 is connected to the lifting body fixing boxes 30 and 40, even if the rod-shaped or plate-shaped material placed on the hoisting device 10 is swayed by the wind, it does not sway left and right and forward and backward. , materials can be stably transported to high places, and there is little risk of materials falling.
In addition, the lifting body 20 is attached to the lifting body fixing boxes 30 and 40, and the lifting body 20 rises along the guide pipes 81 and 82. Even when lifted, the hoisting tool 10 rises smoothly and stably, and there is little risk of the material or the like dropping.
In addition, since the lifting frames 70 are attached to the left and right lifting body fixing boxes 30 and 40 by the clamps 50 and 60, the left and right lifting body fixing boxes 30 and 40 are kept horizontal, and the sling 10 is attached to the rod-shaped lifting body fixing boxes 30 and 40. Even if a plate-shaped material is placed on it and lifted, it rises smoothly while keeping the right and left balance.
Furthermore, the unloading device 2 has no depth, that is, the materials placed on the sling 10 do not protrude forward, and even if the materials being transported fall, they do not fall outside the scaffolding. It is possible to minimize the risk of harming workers and the like.

[Overall Configuration of the Unloading Device of the Second Invention]
FIG. 11 is a perspective view showing the configuration of the loading device of the second invention (invention according to claim 3) and the entire loading system including this loading device, FIG. 12 is a plan view of the loading system of FIG. 13 is a front view of the unloading system of FIG. 11, FIG. 14 is a rear view of the unloading system of FIG. 11, and FIG. 15 is a right side view of the unloading system of FIG.
In the figure, 101 is a loading system, 102 is a loading device, 111 is an engaging plate, 111a and 111b are holes, 111c and 111d are windows, 120 and 130 are slings, 121 and 131 are T-shaped plates, 121a and 131a are Hanging pieces 122, 132 are L-shaped members, 122a, 132a are horizontal parts, 122b, 132b are vertical parts, 123, 133 are inverted-shaped members, 123a, 133a are horizontal parts, 123b, 133b are inclined parts , 125, 126, 135, 136 are mounting bolts, 125n, 126n, 135n, 136n are nuts, 140 is a lifting frame, 141, 142 are vertical frames, 143, 144 are horizontal frames, 150, 160, 170, 180 are clamps. , 158, 168, 178, and 188 are nuts, and in each figure, X is the left-right direction, Y is the front-rear direction, and Z is the vertical direction. The same symbols are attached.
As shown in the figure, the loading system 101 comprises a loading device 102, a lifting device having a hook portion 3, and guide pipes 81 and 82 for guiding the lifting and lowering of the loading device 102. The part becomes the hook part 3.
The unloading device 102 includes an engaging plate 111 , slings 120 and 130 , a shackle 14 , a lifting body 20 , lifting body fixing boxes 30 and 40 , clamps 50 and 60 and a lifting frame 140 .

[Engaging plate 111, hangers 120 and 130]
The engaging plate 111 serves as the engaging member of the second aspect of the present invention, and is substantially pentagonal like the engaging plate 11 of the loading device 2 of the first aspect of the present invention. holes 111a are provided at the left and right ends thereof, holes 111b through which the shafts of the bolts 14b of the shackles 14 are inserted are provided, windows 111c and 111d are provided at the left and right, metal materials such as iron and aluminum, fiber reinforced plastics etc.
The hanger 120 consists of a T-shaped plate 121, an L-shaped member 122, and an inverted-shaped member 123. The hanger 130 consists of a T-shaped plate 131, an L-shaped member 132, and an inverted-shaped member 133. Both slings are made of metal materials such as iron and aluminum, fiber reinforced plastics, and the like.
The suspension tool 120 and the suspension tool 130 have the same structure. In both suspension tools, eight L-shaped members 122 and 132 are arranged at regular intervals in the X direction on the front uppermost part of the T-shaped plates 121 and 131. are attached, and reverse-vertical members 123, 133 are attached to the lower ends of the hanging pieces 121a, 131a.
The L-shaped members 122, 132 are composed of horizontal portions 122a, 132a and vertical portions 122b, 132b, similar to the L-shaped member 12 of the sling 10. The binding portion, which is slightly wider than the outer diameter and protrudes from the peripheral surface of the support, is placed on the horizontal portions 122a, 132a of the L-shaped members 122, 132, respectively.
Like the upside down member 13 of the sling 10, the upside down members 123, 133 are composed of horizontal portions 123a, 133a and inclined portions 123b, 133b. Materials are pulled.
Bolt holes through which bolts 125 and 126 are inserted are provided in the left and right upper portions of the T-shaped plate 121 of the lifting device 120, and the bolts 135 and 136 are also inserted through the left and right upper portions of the T-shaped plate 131 of the lifting device 130. Has bolt holes.
In addition, the hoisting tool in the cargo unloading device of the second invention is not limited to those consisting of two T-shaped plates such as the hoisting tool 120 and the hoisting tool 130. It may consist of a plate, or it may consist of three or more T-shaped plates.

[lifting frame 140]
As shown in FIGS. 11 to 14, the lift frame 140 consists of a pair of vertical frames 141, 142, two horizontal frames 143, 144, and clamps 150, 160, 170, 180. As shown in FIGS.
The vertical frames 141 and 142 are made of short metal vertical pipes, and unlike the vertical frame 71 of the lifting frame 70 of the unloading device 2 (the strut of the wedge binding type scaffolding), there is no pocket metal fitting on the peripheral surface. is a pipe.
The horizontal frames 143 and 144 are made of short metal horizontal pipes, and unlike the horizontal frame 75 (handrail of the wedge binding type scaffolding) of the lifting frame 70 of the unloading device 2, general horizontal pipes without wedges at both ends. is.
In the left portion of the upper horizontal frame 143, bolt holes are provided at positions where the bolt holes of the T-shaped plate 121 overlap. Nuts 125n and 126n are screwed to 126, thereby fixing the T-shaped plate 121 to the front left portion of the horizontal frame 143. As shown in FIG.
Similarly, on the right side of the horizontal frame 143, bolt holes are provided at positions where the bolt holes of the T-shaped plate 131 overlap. , 136 are screwed with nuts 135n and 136n, thereby fixing the T-shaped plate 131 to the front right portion of the horizontal frame 143. As shown in FIG.
Bolt holes through which mounting bolts for the clamps are inserted are provided at positions where the clamps 150 and 160 overlap on the left and right ends of the upper horizontal frame 143 .
Similarly, at positions where the clamps 170 and 180 overlap on the left and right ends of the lower horizontal frame 144, bolt holes are provided through which mounting bolts for these clamps are inserted.
The clamps 150, 160, 170, 180 have the same structure as the clamp 50, and include the same clamp body, clamp pieces, mounting bolts, etc. as the clamp body 51, clamp pieces 52, mounting bolts 57, etc. of the clamp 50 (Fig. 7).

[Assembly of unloading system 101]
Assembly of the unloading system 101 shown in FIGS. 11 to 15 will be described.
First, as in the unloading system 1, the left guide pipe 81 is attached to one of the two pillars standing on the ground to form a scaffold, and the right guide pipe 82 is attached to the other pillar.
Next, the lifting body fixing boxes 30 and 40 to which the lifting body 20 is fixed are sandwiched and fixed by clamps 50 and 60 near the uppermost portions of the left and right vertical frames 141 and 142 of the lifting frame 140 .
Then, similarly to the unloading system 1, the lifting body 20 is passed through the guide pipes 81 and 82 (the guide pipes 81 and 82 are positioned between the first ball bearing 22 and the second ball bearing 23).
In this state, the holes 111b at the left and right ends of the engaging plate 111 and the rings 14a of the eyebolts 14 of the lifting body fixing boxes 30 and 40 are connected by the shackles 14. As shown in FIG.
Next, the left and right ends of the horizontal frame 143 to which the T-plates 121 and 131 are fixed are applied to the rear surfaces of the clamps 150 and 160, and mounting bolts (same as the mounting bolts 57) protruding outward from the rear surfaces of the clamps 150 and 160 are applied. ) are inserted into the bolt holes at the left and right ends of the horizontal frame 143, nuts 158 and 168 are screwed onto these mounting bolts, and with the horizontal frame 143 fixed to the back of the clamps 150 and 160, the left vertical A clamp 150 clamps and fixes the frame 141 below the clamp 50 , and a clamp 160 clamps and fixes a right vertical frame 142 below the clamp 50 .
The left and right ends of the horizontal frame 144 are applied to the rear surfaces of the clamps 170 and 180, and mounting bolts (same as the mounting bolts 57) protruding outward from the rear surfaces of the clamps 170 and 180 are attached to the left and right ends of the horizontal frame 144. Nuts 178 and 188 are screwed onto these mounting bolts, and with the horizontal frame 144 fixed to the rear surface of the clamps 170 and 180, the lower side of the left vertical frame 141 is clamped and fixed by the clamp 170. do.

Then, with the horizontal frame 143 fixed to the back surface of the clamps 150 and 160, the upper side of the left vertical frame 141 is clamped and fixed by the clamp 150, the upper side of the right vertical frame 142 is clamped and fixed by the clamp 160, and With the horizontal frame 144 fixed to the back surface of the clamps 170 and 180, the left vertical frame 141 near the bottom is clamped and fixed by the clamp 170, and the right vertical frame 142 near the bottom is clamped and fixed by the clamp 180. - 特許庁
As a result, the lift frame 140 in which the left and right vertical frames 141, 142 and the upper and lower horizontal frames 143, 144 are fixed by the clamps 150, 160, 170, 180 is formed.
Finally, the hook portion 3 of the lifting device is hooked into the hole 111a in the upper portion of the engaging plate 111. As shown in FIG.
As a result, the engaging plate 111 is lifted by the lifting device, and the lifting body 20, the lifting body fixing boxes 30, 40, and the lifting tools 120, 130 are lifted in a state in which the lifting body 20 is kept horizontal and along the guide pipes 81, 82. The attached elevating frame 140 rises together.
The lifting frame in the loading device of the second invention is limited to the lifting frame 140 (consisting of a pair of vertical frames 141, 142, two horizontal frames 143, 144, and clamps 150, 160, 170, 180). Instead, a connecting rod that connects the center part of the upper horizontal frame 143 and the center part of the lower horizontal frame 144 is attached, and instead of the vertical frames 141 and 142, the unloading of the first invention Vertical pipes with pocket metal fittings such as the vertical frame 71 used in the lifting frame 70 of the device are used, and the right and left vertical pipes are connected by handrails with wedges fitted in the opposing pocket metal fittings to increase the rigidity of the lifting frame. You can make it higher.

[Transportation of materials by unloading system 101]
FIG. 16 is a perspective view showing a state in which the struts and footboards are placed on the slings 20 and 30 of the unloading device 102 and transported. 200 is a step board.
The strut 191 is of the same type as the strut 91 shown in FIG.
The footboard 200 is the same as the footboard 100 shown in FIG. 9(b).
As shown in FIG. 16, on the L-shaped member 122 of the sling 120, the pocket portions 193 of the struts 191 are placed across the adjacent horizontal portions 122a (in the figure, four struts 191 are L-shaped). The horizontal portion 122a of the member 122 is placed on the horizontal portion 122a of the member 122), and the inclined portion 123b of the inverted character-shaped member 123 protrudes from the mesh portion of the footboard 200 to the central inverted-character-shaped member 123. A footboard 200 is hooked on 123a.
Similarly, on the L-shaped member 132 of the hanger 130, the pocket portions 193 of the struts 191 are placed across the adjacent horizontal portions 132a (in the figure, the four struts 191 are the horizontal portions of the L-shaped member 122). 132a), and the tread plate 200 is placed on the horizontal portion 133a so that the inclined portion 133b of the tread plate 200 protrudes from the mesh portion of the tread plate 200 on the tread plate 133 in the center. is hooked.
In this case, the vertical portions 122b and 133b of the L-shaped members 122 and 132 prevent the pocket portion 193 from slipping on the horizontal portions 122a and 132a and the post 191 from falling. The inclined portions 123b and 133b prevent the footboard 200 from slipping off the horizontal portions 123a and 133a of the upside-down members 123 and 133, respectively.
Then, when the engaging plate 111 is lifted by the lifting device, the lifting body 20 rises along the guide pipes 81 and 82, and the lifting frame 140 to which the lifting body fixing boxes 30 and 40 and the hanging tools 120 and 130 are attached is also lifted. 20, and the struts 191 and the treads 200 on the slings 120 and 130 are transported to a high place.

In this way, the slings 120 and 130 are fixed to the vertical frames 141 and 141 by the clamps 150 and 160 while being fixed to the horizontal frame 143, and attached to the lifting frame 140. The lifting frame 140 is attached to the lifting body fixing box. Since the 30 and 40 are fixed and lifted, even if the rod-shaped or plate-shaped materials (posts 191 and treads 200) placed on the slings 120 and 130 are blown by the wind, they do not sway from side to side and back and forth. Materials can be stably transported to high places, and there is little risk of materials falling.
In particular, since the hoisting devices 120 and 130 are fixed to the horizontal frame 143 which is fixed to the vertical frames 141 and 141 by the clamps 150 and 160, compared to the hoisting devices 10 of the unloading device 2 which are not fixed to the horizontal frame 75, , the rocking in the left-right and back-and-forth directions is prevented.
In addition, since the lifting body 20 is attached to the lifting body fixing boxes 30 and 40, and the lifting body 20 rises along the guide pipes 81 and 82, rod-shaped or plate-shaped materials are attached to the hanging tools 120 and 130. Even if it is put on and lifted, the hoisting tools 120 and 130 rise smoothly and stably, and there is little risk of the material or the like dropping.
In addition, since the hoisting tools 120 and 130 are attached to the horizontal frame 143 of the elevating frame 140, the horizontality of the hoisting tools 120 and 130 is maintained. is balanced and rises smoothly.
Furthermore, the unloading device 102 has no depth, that is, the materials placed on the slings 120 and 130 do not protrude forward, and even if the materials being transported fall, they do not fall outside the scaffolding. It is possible to minimize the risk of harming workers, etc.

The unloading device of the present invention does not use a box-shaped weight body with a large volume, does not make the device large-scale, and even if the material is placed, it can stably hold the material up to a high place without swaying left and right and back and forth. It can be transported, and there is little danger of materials, etc. falling, and even if materials, etc. being transported fall, the materials, etc. will not fall outside the scaffold, and the danger of harming workers, etc. It can be used to carry the materials used to construct the scaffolding up to a height to keep it to a minimum.

1 unloading system 2 unloading device 3 hook portion 10 of hoisting device hoisting tool 11 engaging plates 11a, 11b holes 11c, 11d window portion 11e hanging piece 12 L-shaped member 12a horizontal portion 12b vertical portion 13 reverse-shaped member 13a horizontal part,
13b inclined portion 14 shackle 14a ring portion 14b bolt 14c nut 20 lifting body 21 frame 21a frame main body 21b end portion 21c ring portion 21d hole 22 first ball bearing 23 second ball bearing 24 split pin 25 fixing bolt 26 nut 30 lifting body fixing Box 31 Box frame 31a Top plate 31b Front plate 31c Side plate 31d Bottom plate 11e Vertical frame 32 Eyebolt 32a Ring 32b Shaft 32c Nut 32d Washer 30 Lifting body fixing box 50 Clamp 51 Clamp body 52 Clamp piece 53, 54 Pin 55 Tightening attached bolt 56 nut,
57 mounting bolts,
58 Nut 60 Clamp 70 Lifting frame 71 Vertical frame 72 Vertical pipes 73a to 73d Pocket fittings 74a to 74d Pocket portion 75 Horizontal frame 76 Horizontal pipes 77a, 77b Wedge portions 81, 82 Guide pipe 91 Post 92 Vertical pipes 93, 94 Pocket portion 100 Footboard 101 Unloading system 102 Unloading device 111 Engaging plates 111a, 111b Holes 111c, 111d Windows 120, 130 Hanging tools 121, 131 T-shaped plates 121a, 131a Hanging pieces 122, 132 L-shaped members 122a, 132a Horizontal parts 122b, 132b Vertical portions 123, 133 Upside-down members 123a, 133a Horizontal portions 123b, 133b Inclined portions 125, 126, 135, 136 Mounting bolts 125n, 126n, 135n, 136n Nuts 140 Lifting frames 141, 142 Vertical frames 143, 144 Horizontal Frames 150, 160, 170, 180 Clamps 158, 168, 178, 188 Nut 191 Post 192 Vertical pipes 193, 194 Pocket 200 Footboard GA Gap

Claims (6)

A lifting device that uses a lifting mechanism to transport a rod-shaped material having a protrusion that protrudes outward on the peripheral surface,
a lifting tool comprising: an engaging member that engages with the hanging portion of the lifting mechanism;
a pair of elevating bodies that ascend and descend along a pair of spaced apart vertical bar-shaped members;
a pair of lifting body fixing members for fixing each of the pair of lifting bodies;
a connector that connects the hanging device and the pair of lifting body fixing members;
and a lifting frame that holds the pair of lifting body fixing members so that the pair of lifting bodies are kept horizontal and moved up and down along the pair of vertical bar members. 2. The unloading apparatus according to claim 1, wherein the lifting frame comprises a pair of vertical frames fixed to the pair of lifting body fixing members, and a horizontal frame spanned between the pair of vertical frames. . A lifting device that uses a lifting mechanism to transport a rod-shaped material having a protrusion that protrudes outward on the peripheral surface,
an engaging member that engages with the suspension portion of the lifting mechanism;
a pair of elevating bodies that ascend and descend along a pair of spaced apart vertical bar-shaped members;
a pair of lifting body fixing members for fixing each of the pair of lifting bodies;
a connector that connects the engaging member and the pair of lifting body fixing members;
an elevating frame that holds the pair of elevating body fixing members so that the pair of elevating bodies are maintained horizontal and ascends and descends along the pair of vertical bar-shaped members;
A lifting device comprising a plurality of rod-shaped material placing members attached to the lifting frame and on which the projecting portions of the rod-shaped materials are placed. 4. Unloading according to claim 3, characterized in that said elevating frame has a pair of vertical frames fixed to said pair of elevating body fixing members, and said sling is fixed to said pair of vertical frames. Device. The rod-shaped material is a support used for a wedge binding scaffold,
The protruding portion is a binding portion attached to the support,
5. The unloading device according to claim 1, wherein the rod-shaped material placement members are L-shaped members arranged at intervals wider than the outer diameter of the support columns. The unloading device according to any one of claims 1 to 5, wherein the hoisting device includes a plate-like material hooking member for hooking the plate-like material.