JP2001163542A - Lift for scaffold for riding cargo and worker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify attaching and detaching work onto a scaffold, and to secure safety. SOLUTION: This lift is composed of a pair of elevation rails 10, 10 attached to a pair of respective building lots adjacently provided in the scaffold 1, a load-carrying platform 20 attached vertically elevatably to the rails 10, a motor- driven hoisting winch 70 attached to an upper part of the scaffold 1 to wind and deliver a hoisting wire 71 for suspending the load-carrying platform 20, a safety wire 80 provided along the rail 10, and falling-off preventing mechanisms 30, 200 suspended with the wire 71 and attached to the platform 20 to make the platform 20 brake against the falling-off by clamping the safety wire 71 when the hoisting wire 71 is broken.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cargo machine for a load and a scaffold on which a worker rides.

[0002]

2. Description of the Related Art FIG. 10 is a schematic perspective view of a scaffold 1. Scaffolding 1 is mainly for building site 2, horizontal cloth 3, streak pipe 4, scaffolding board 5.
And a ladder 6. The building 2 is a pipe extending vertically. Before and after the adjacent building 2.2,
Horizontal horizontal directions 3 are attached at intervals. A horizontal scaffold 5 is attached between the horizontal cloths 3.3 adjacent to the left and right. Also, between the construction 2.2 adjacent to the left and right,
A pair of bracing pipes 4.4 are attached in an intersecting manner. A large number of units are continuously connected in the left-right direction and the up-down direction with the above structure as one unit. Reference numeral 6 is a ladder. The operator can freely move back and forth in the left-right direction by using the scaffold plate 5. In addition, the worker can use the ladder 6 to freely move between floors. 7 is a wall connection.

[0003] Bracing pipes 4 provided on the side surface of each floor of the scaffold 1 strengthen the structure of the scaffold 1 and also serve as shelves for preventing workers and luggage from falling.

[0004] Conventionally, large construction elevators have been installed at the center and sides of the scaffold 1 at construction sites. Luggage is carried into the construction elevator, and the luggage is lifted and lowered.

[0005]

However, as mentioned above, there is a problem that the construction elevator installed on the scaffold 1 is large and the installation work and the removal work are troublesome. Moreover, it is inconvenient to work up and down with the ladder 6 in the work on the scaffold 1 because it is too narrow for the worker.

[0006] In view of such circumstances, the present invention makes it easy to attach and detach a work to and from a scaffold, and also allows a load and a worker to go up and down on a carrier. Moreover, the object of the present invention is to provide a scaffold unloader on which a luggage and a worker can be safely moved without falling. However, luggage and the lifting weight of the loading platform on which the worker rides shall be within 250 kg.

[0007]

According to a first aspect of the present invention, there is provided a scaffold unloader on which a load and a worker are mounted, a pair of elevating rails respectively attached to a pair of adjacent buildings on the scaffold, and the elevating rails. And a loading platform that can be moved up and down freely.
An electric hoisting winch attached to the upper part of the scaffold and hoisting or unwinding a hoisting wire for suspending the loading platform, a safety wire provided along the elevating rail, and the hoisting wire Suspended, attached to the loading platform, when the hoisting wire is successful, hold the safety wire and apply a brake to the fall of the loading platform, and always lightly grip the safety wire. It is characterized by two mechanisms, such as a fall prevention mechanism that applies a brake when the carrier falls. 2. The unloader according to claim 1, wherein the scaffold has a fall prevention door attached to the scaffold, and the fall prevention door is provided at each of the left and right ends of the horizontal pipe. A branch pipe is fixed to each of the two branches branched from the fork, and a pipe for a rouge attached to the pair of buildings by a single clamp, and both of them are erected inside from between the pair of buildings. A hanger rail is directly mounted on the pipe for the hutch, and the fall prevention door can be freely opened and closed by a hanger rail door roller. According to a third aspect of the present invention, in the device according to the second aspect, the angle formed by the branched pipe bifurcated from the horizontal pipe is 90 degrees.
° C, and the angle formed by the horizontal pipe and each branch pipe is 135 ° C.

[0008]

Next, embodiments of the present invention will be described with reference to the drawings. First, the scaffold for attaching the scaffolding luggage and the unloading machine on which the worker can ride according to the present embodiment will be described again. FIG. 10 is a schematic perspective view of the scaffold 1. In the figure, reference numeral 1 indicates a scaffold for attaching the scaffolding unloader of the present embodiment. The scaffold 1 is mainly composed of a building 2, a horizontal cloth 3, a bracing pipe 4, a scaffold plate 5, and a ladder 6. The building 2 is a pipe extending vertically. Horizontal horizontal cloths 3 are attached at intervals between the front and rear adjacent buildings 2.2. A horizontal scaffold 5 is attached between the horizontal cloths 3.3 adjacent to the left and right. In addition, a pair of bracing pipes 4.4 are attached in a state of crossing between the adjacent buildings 2.2 on the left and right. A large number of units are continuously connected in the left-right direction and the up-down direction with the above structure as one unit. In addition, the place where the scaffolding luggage and the unloading machine on which the person is to be mounted is particularly provided with many wall ties 7.

FIG. 1 is a schematic perspective view of the scaffolding luggage and the unloading machine according to the present embodiment. Therefore, the fall prevention door 100 is simplified. FIG. 8 is a front view of the fall prevention door 100. As shown in FIGS. 1 and 7,
The unloading machine on which the scaffolding luggage and the worker according to the present embodiment are mounted includes a unloading mechanism and a fall prevention door 100. The unloading mechanism will be described with reference to FIGS.
A description will be given based on FIG. The former lifting mechanism includes an electric hoisting winch 70, a lifting rail 10, a loading platform 20, a fall prevention mechanism 30, and a fall prevention mechanism 200.

First, the electric hoist winch 70 will be described.
FIG. 2 is an enlarged front view of the periphery of the electric hoisting winch 70. Reference numeral 67 denotes a latch, and reference numeral 65 denotes a winch mounting bracket. First, the latch 67 is hooked on the adjacent horizontal cloth 3.3 on the scaffold 1 and fixed to the building 2.2 with a single clamp. The AA section is a section of the latch 67. Then, the winch mounting bracket 65 is placed on the latch bracket 67 and fixed. The upper portions of the winch mounting brackets 65 are fixed to support rods 64.64 at both left and right ends.

An electric hoisting winch 70 is hung at the center of the winch mounting bracket 65. The electric hoisting winch 70 is driven by an electric motor to form the hoisting wire 7.
1 is wound up or extended. A hook 72 is attached to the lower end of the winding wire 71.

As long as the electric hoisting winch 70 is attached to the winch mounting bracket 65, the electric hoisting winch 70 allows the members for constituting the unloading machine on which the scaffolding luggage and the worker of the present embodiment rest. For example, it is easy to remove and attach the elevating rail 10, the loading platform 20, the door 100 safety wire 80, the balance weight 62, etc. to the scaffold 1.

A pair of left and right safety wires 80 and 80 are attached to the lower part of the winch mounting bracket 65. The reason for providing the pair of safety wires 80.80 will be described later.

The winch mounting bracket 65 is fixed above a pair of left and right overhang members 64.64, and the overhang members are rollers 63.63 for balance weights 62.62.
Is installed.

Next, the lifting rail 10 will be described. FIG. 2 is a front view of the unloader on which the scaffolding luggage and the worker are placed.
FIG. 3 is a V-V line astigmatism diagram. As shown in FIG. 1.2.3, a pair of lifting rails 10.10 are attached to a pair of adjacent buildings 2.2 on the scaffold 1 by single clamps 11, respectively. This lifting rail 1
It is preferable to use a channel steel for 0.10. In addition, as a building to which the elevating rail 10 is attached, of the scaffolding 1 shown in FIG. 2 may be adopted.

Next, the loading platform will be described. In FIG.
Reference numeral 1 denotes a rectangular bottom plate. As shown in FIGS. 2 and 3, a plurality of fence posts 22 are mounted as fences on the front, rear, left and right peripheral green portions of the bottom plate 21.
A frame 28 and a lower frame 27 are attached to the upper end of each fence post 22.

As shown in FIG. 2C, a hanger rail 99 is mounted on the upper front green portion of the bottom plate 21 and a door rail 23 is mounted along the hanger rail 99. A scaffold-side sliding door 24 is attached to the door rail 23 so as to be freely opened and closed. A door 25 is attached to a central portion of the rear end green so that the door 25 can swing open and close by a hinge or the like. And door 2
5. At the end of the sliding door 24, there is a power switch 30 as a safety measure.
4 is mounted, and a thin iron plate is optimally used for the outer wall of the sliding door 24 of the loading platform 20.

As shown in FIG. 2-3, the loading platform 20 has two pairs of rollers 2 at the upper and lower portions on the left and right sides and at the lower portion.
Attachment is made via 6.26 respective mounting brackets 29.29. These two pairs of left and right rollers 26.26 are respectively fitted to the pair of left and right elevating rails 10.10, and the 20 loading platforms can be vertically moved up and down.

Next, a description will be given of the fall prevention mechanism 30 which is required in the unloading machine according to the present embodiment for carrying a load for scaffolding and work. FIG. 5 is a front view of the fall prevention mechanism 30. As shown in FIG. 2 and FIG. 5, a pair of left and right support bars 31.31 is attached to the carrier 20 in an upright state. A horizontal beam 32 is attached to each upper end of the pair of left and right support rods 31.31. As shown in FIG. 5, a pair of right and left mounting bases 33.33 is mounted on the upper surface of the beam 32.

As shown in FIG. 5, a link 41.41 is pivotally connected to a base 33.33 of each of the left and right mounting bases 33.33. The ends of the links 41.41 are each pivotally connected at the center of a hook-shaped holding cam 42.42 with a pin. Then, a pair of left and right holding cams 42.42
The lifting plate 43.43 is rotatably connected to the left and right ends with pins. As shown in the figure, a suspension plate 46 for lifting the loading platform 20 is provided.
6 and the rear part of the holding cams 42.42 are connected by pins by two links 47.47.

The safety wire 80 is passed through the gap between the two holding plates 43.43 and the holding cams 42.42.

The two holding plates 43.43 and the inside of the holding cam are connected by left and right pins 45.45. As shown in FIG. 2, a balance weight 62.62 is attached to the tip of the holding plate 43.43 through the roller 63.63 with a weight wire 61. The holding plates 43.43 are constantly urged upward by the tension of a pair of left and right weight wires 61.61. By providing the balance weights 62 and 62, even if the electric winch 70 is small,
Can be moved up and down.

As shown in FIG. 2 and FIG. 5, when the loading platform 20 is hoisted by the electric hoisting winch 70, the suspension plate 46 is pulled upward, and the links 47.47 on both sides of the suspension plate 46, and thus the holding cams 42. The tip of the pin 42 is pushed downward with a pinch 48.48 at the center of the holding cam 42.42 as a fulcrum. Since the pin 45.45 at the tip of the holding cam 42.42 is connected to the holding plate 43.43, the holding plate 43.43 is constantly pushed down when it is hung by the electric hoisting winch 70. It is.

The hoisting wire 70 of the electric hoisting winch 70
A case where the electric hoist winch 70 is broken during the lifting or lowering of the loading platform 20 during the lifting and lowering of the loading platform 20 and the loading platform 20 is dropped will be described. FIG. 4 shows the fall prevention mechanism 30.
It is operation | movement explanatory drawing of. If the hoisting wire 71 of the electric hoisting winch 70 breaks, or if the hoisting wire 71 does not break and the tension of the hoisting wire 71 is loosened,
0 falls sharply due to gravity. However, at that moment, the holding plate 43.43 is pulled upward by the weight of the banlance weight 62.62. The holding cams 42.42 are connected to the mounting base 33.33 mounted on the carrier 20 and the links 41.33.
Since they are connected by pins at 41, the carrier 20 lowers and the holding cams 42.42 stand up at the same time. Then the holding cam 4
The safety wire 80 in the gap between the 2.42 and the holding plate 43.43 is connected to the wire stopper 49.49 and the tip of the holding cam 42.42 in the holding plate 43.43. , And it is possible to prevent the loading platform 20 from dropping, thereby providing an effect of being safe. Then, in order to normalize, the hoisting wire 71 is reset and the electric hoisting winch 7
If the loading platform 20 is lifted at 0, it becomes normal.

Next, a description will be given of a fall prevention mechanism 200 for ensuring that the load for carrying scaffolds and a worker is safe for a person to get on. As shown in FIG. 6 and FIG. 7, it is installed and fixed on the frame 28 at the upper part of the 20 loading platforms. Then, the mounting base 201 is hooked to the hook-shaped holding cam 2 by the link 202 for two sheets.
03 is connected with a pin.

6 and 7, as shown in FIG.
The wire stopper 205 is fixed inside and the holding cam 203
And the safety wire 8 between the wire stopper 205
Contains 0. A spring 206 is provided at an end of the holding plate. The holding plate 204 is always moved upward by a spring as shown in FIG. 7, and the safety wire 80 contained in the holding plate 204 is fixed to the holding cam 203 and the holding plate. The wire stopper 205 is lightly held. A frame 208 connected by pins 208 connecting the mounting base 201 and the holding cam 203 and pins 207 connecting the holding cam 203 and the holding plate 204 is installed.

Next, an up switch 300 and a down switch 301 are provided on both sides of the frame 209.
Then, the frame 209 and the operation handle 303 are
It is connected by two. A handle stopper 305 is attached to the tip of the operation handle 303. The power switch 30 is located below the holding plate 204 as shown in FIGS.
4 are installed. FIG. 7 shows a state in which the power switch 304 is turned off and the unloader is stopped.

Next, a description will be given of the operation procedure of the load for lifting and the loader on which the worker can ride. The fall prevention mechanism 200 is always shown in FIG.
The holding plate 204 is moved upward by the spring 206 as shown in FIG.
The safety wire 80 is lightly held by the holding plate cam 203. When the operating handle 303 is turned clockwise and pressed as shown in FIG. 6, the holding plate 204 is lowered by the action of the frame 209 connected by the pins 207 and 208, and the holding cam 203 and the wire stopper 205 There is a gap between them and the safety wire 80 is not pinched. And the operating handle 30
When the tip of the switch 3 presses the protrusion of the switch 300, the power switch 304 below the holding plate 204 is pressed at the same time. Then, power is supplied to the switch 301 and the power switch 304, and the carrier 20 is raised. Similarly, when the operation handle 303 is pressed to the left, the protrusion of the switch 301 is pressed, and when the protrusion of the power switch 304 is pressed, a current flows through the electric hoist winch 70 and the carrier 20 is lowered.

FIG. 7 is a view showing a state where the unloader 20 is stopped. If for any reason the hoisting wire 71 does not break and the carrier 20 falls, the fall prevention mechanism 200 is immediately activated,
At the same time, the upper drop prevention mechanism 30 is also operated, and the safety wire 80 is held at three places to prevent the loading platform 20 from falling. In addition, when the user moves up and down on the bed 20 at the work site, immediately releases the operation handle 303 when he / she feels dangerous. Fig. 7 by letting go
As shown in the figure, the power switch 304 is turned off and the holding plate 204 is moved upward, so that the holding cam 204 holds the safety wire 80. Then, in order to normalize, if the protrusion of the power switch 304 is pushed, and the operation handle 303 is turned to the right, the loading platform 20 is lifted up to a normal state.

Next, the fall prevention door 100 will be described. FIG. 8 is a front view of the fall prevention door 100. As shown in FIG. 8 and FIG.
0.

First, the pipe 140 for a whirlpool will be described.
FIG. 9 is a single view of the Huchi pipe 140. As shown in FIG.
In this example, four branch pipes 142 are integrated by welding or the like. A pipe having a diameter of about 17.2 mm is light and suitable. And in the center is a power switch 304
It is attached to.

At each of the left and right ends of the horizontal pipe 141, two pairs of left and right branch pipes 142.142 are reinforced by their brackets, respectively, and fixed at their ends by a single clamp 151, four places of welding or the like. are doing. A hanger rail 143 for opening and closing the door 130 is fixed to the bracket.
4.144 is attached and the upper end contains a pin. Moreover, the pipe 142 is branched into two branches from the horizontal pipe 141.
The angle formed by 142 is 90 degrees. These are integrated as shown in FIG.

As shown in FIG. 8, a single clamp 151 is attached to an adjacent building 2.2 on the scaffold 1 at a height corresponding to each scaffold plate 5. This Huchi pipe 140
By mounting the scaffold 1, the scaffold 1 becomes very firm even if the bracing pipe is removed.

Next, the door 130 will be described. As shown in FIG. 8, the pipe 140 for a rouge is mounted at a height corresponding to each scaffold 5. Since the hanger rail 143 is provided, the door 130 is provided in two sets as shown in FIG. The door 130 has a stop plate 132 attached so as to surround the lower hanger rail. A power switch 304 is mounted at the center of the hanger rail 143. Also, even if the operation handle 303 is turned while the door 130 is open, no current flows. The outer wall of the door 130 is optimally made of a thin iron plate for safety.

Next, as shown in FIG. 8, when the door 130 is closed, a gap is formed on both sides of the door 130, so that the thin pipe 145 is inserted into the thick pipe 144 attached to the pipe for the haute.

Once the fall prevention door 100 is mounted on the scaffold 1, it is possible to prevent the worker and the unloading material from dropping, and it is effective that the loading platform 20 can be safely moved up and down.

Next, the operation and effects of the scaffolding luggage of the present embodiment and the unloader on which the worker can rest will be described. 1 to 10
As shown in (1), the hoisting wire 71 is fed out by the electric hoisting winch 70, and the carrier 20 is lowered along the pair of elevating rails 10.10, and is lowered on the ground. Then, the outer door 25 of the carrier 20 is opened, an operator or a load is placed on the bottom plate 21, and the outer door 25 is closed. When the hoisting wire 71 is wound up by the electric hoisting winch 70, the carrier 20 is moved to the pair of lifting rails 10.10.
Rise along.

When the loading platform 20 has risen to the desired height, the winding operation of the electric hoisting winch 70 is stopped.
Then, the pair of left and right scaffold side sliding doors 24 is opened. Then, the door 130 is opened and the luggage and the worker are carried into the scaffold plate 5 of the scaffold 1. Then, the door 130 is closed. Finally, the scaffold side sliding door 24 is closed. The loading platform 20 is again lowered by the electric hoisting winch 70. By repeatedly performing the above-described steps, it is possible to easily lift and lower the luggage and the worker to a high place of the scaffold 1.

[0039]

According to the scaffolding luggage and the unloading machine on which the worker can be put on, the work for attaching and detaching the scaffold can be easily performed, the luggage can be easily lifted and lowered, and the bobbin can be suspended. It is safe to cut or loosen the upper wire.
According to the loader on which the scaffolding luggage and the worker according to claim 2 are mounted,
It has a robust structure, and can prevent workers and luggage from falling and is safe. According to the scaffold unloader of claim 3, the scaffold has a robust structure and is safe.

[Brief description of the drawings]

FIG. 1 is a loader on which a scaffolding luggage and an operator are mounted according to the embodiment.

FIG. 2 is an enlarged front view of a peripheral portion of an electric hoisting winch 70.

FIG. 3 is a view of the rail line of FIG.

FIG. 4 is an enlarged view of the fall prevention mechanism 30 when a wire is broken.

FIG. 5 is an enlarged front view of the fall prevention mechanism 130.

FIG. 6 is an enlarged front view of the fall prevention mechanism 200.

FIG. 7 is an enlarged front view of the fall prevention mechanism 200.

FIG. 8 is a front view of the fall prevention door 100.

FIG. 9 is an enlarged front view of a pipe for a rouge.

FIG. 10 is a perspective view of a scaffold.

Claims (3)

[Claims] 1. A pair of lifting rails respectively attached to a pair of adjacent construction sites on a scaffold, a loading platform attached to the lifting rails so as to be vertically movable, and a loading platform attached to an upper portion of the scaffold. An electric hoisting winch to be hoisted or fed out for hanging, a safety wire provided along the elevating rail, and a hoisting wire, which is hung by the hoisting wire, is attached to the loading platform, and the hoisting wire is When it breaks, it comprises a fall prevention mechanism for holding the safety wire and applying a brake to the fall of the carrier, and two fall prevention mechanisms for always holding the safety wire and applying a brake to the fall of the carrier. Characterized as a scaffolding unloader. 2. The fall prevention door is attached to the scaffold, and the fall prevention door is fixed with two branch pipes, each branching from the horizontal pipe to a fork. The luggage and work according to claim 1, characterized in that all of them are erected inside the space between the grounds, and the hanger rail is directly attached to the pipe for the hutch, and the fall prevention door is opened and closed by a hanger rail door wheel. A scaffold unloader on which members can be placed. 3. An angle formed by a branch pipe branched into two branches from the horizontal pipe is 90 ° C., and an angle formed by the horizontal pipe and each branch pipe is 135 ° C. Item 4. A scaffold unloader on which a luggage and a worker according to item 2 are placed.