JP6713312B2 - Working gondola device - Google Patents

Description

The present invention relates to a work gondola device.

Conventionally, in order to safely and efficiently perform work at high places such as buildings, ships, power plants, tanks, chimneys, and structures such as bridges on the side such as construction and repair, work suspended by wires such as wires There is used a gondola device that suspends a work cage or the like equipped with a device such as a gondola device or a window cleaning device equipped with a work cage for a person to board.
In a gondola device provided with a work cage, a curing device such as a sheet or a net is used to prevent solid objects such as shavings on the wall surface and falling or scattered objects of a liquid such as paint or cleaning liquid due to work.

A curing device for a gondola device is disclosed, for example, in Patent Document 1, in which a front side of a work cage is opened, and side curing frame members can be opened and closed on both sides around a vertical axis. There is one in which a bottom curing frame member that swings around a horizontal axis is attached between them, and a net or a sheet is attached to cover it.

JP, 2009-228358, A

However, in the curing apparatus disclosed in Patent Document 1, the side curing frame member is opened and closed around the vertical axis, and the bottom curing frame member is installed in the work cage so as to swing around the horizontal axis between them. However, there is a problem that a gap is easily formed between the upper surface of the bottom curing frame member and the bottom side of the side curing frame member.
In addition, when changing the work position, it is necessary to swing the bottom curing frame member and store it, then store it so that the left and right side curing frame members are closed, and install it in the reverse order at the destination. However, there is a problem that storage and installation are complicated.

The present invention has been made in view of the above-mentioned problems of the prior art, and provides a working gondola device that can be surely cured without forming a gap and that can easily store and install the curing device. The purpose is to

In order to achieve the above object, the working gondola device according to the present invention is
A work cage suspended from a structure and moved along the side of the structure;
A work gondola device comprising: a curing device provided with a sheet or a net, which is provided in the work cage to prevent falling objects and scattered objects around the work,
The curing device is
Handrails extending in the left-right direction are provided on the front side and the back side of the work cage , respectively, and first moving rails are provided along the two handrails, respectively .
A movable frame movable in the left-right direction along the first movable rail;
And two of the second moving rail that is provided in the longitudinal direction orthogonal to said first moving rail provided on the movable frame,
A box-shaped curing frame that moves on the second moving rail in the front-rear direction and surrounds both side surfaces and a back surface of a working range to the side surface,
A swing frame that is swingably supported on the front side upper portion of the curing frame and closes between the side surface and the lower surface of the curing frame independently of the swing of the work cage,
A wire passing mechanism which is provided on the second moving rail and allows a wire for suspending the working cage to pass therethrough ,
The wire passing mechanism is
A notch formed in the wire passing portion of the second moving rail,
A connecting rail that fills the cutout portion and is in a connected state,
A rotating arm for rotating the connecting rail is supported rotatably to the connecting rail is mounted said second moving rail to the connection position and the retracted position, Ru provided with,
It is characterized by

It is preferable that the swing frame includes a bottom frame, one end of which is swingable and the other end of which is located on the curing frame, on a lower portion of the front surface side.

ADVANTAGE OF THE INVENTION According to this invention, it can cure reliably without producing a clearance gap and can store and install a curing device easily.

It is a schematic front view concerning one embodiment of the work gondola device of the present invention. It is a schematic plan view concerning one embodiment of the work gondola device of the present invention. It is a schematic left side view concerning one embodiment of a work gondola device of the present invention. FIG. 3 is a partially enlarged view of the handrail and the left and right moving rails attached to each other according to the embodiment of the work gondola device of the present invention. FIG. 4 is a partially enlarged view of the attachment state of the front-rear moving rail and the curing frame according to the embodiment of the work gondola device of the present invention. It is operation|movement explanatory drawing of the rocking|fluctuation frame concerning one Embodiment of the work gondola apparatus of this invention. It is operation|movement explanatory drawing of the wire passage mechanism concerning one embodiment of the work gondola apparatus of this invention.

Hereinafter, an embodiment of a work gondola device of the present invention will be described in detail with reference to the accompanying drawings.
The work gondola device 10 includes, for example, two wires 3 fixed to a roof of a structure 1 and suspended along a side surface 2 and wound around a sheave of a winder 5 provided in a work cage 4 as a gondola. A work cage 4 that is moved up and down while moving the winding position by the frictional force between the sheave 3 and the sheave, and a curing device equipped with a sheet or net (not shown) that prevents fallen objects and scattered objects accompanying the work in the work cage 4. And 20.

The curing device 20 includes a left/right moving rail (first moving rail) 21 and a left/right moving rail (first moving rail) provided on the two handrails 6a in the direction along the side surface 2 of the work cage 4 (front-back direction). ) 21 and a left and right moving frame (moving frame) 22 and two front and rear moving rails (second moving rails) (second moving rails) provided on the left and right moving frame 22 and orthogonal to the left and right moving rails (first moving rails) 21. A moving rail) 23, and a box-shaped curing frame 24 that moves on the front-rear moving rail (second moving rail) 23 and surrounds both side surfaces and the back surface of the working range to the side surface 2, and the front side upper portion of the curing frame 24. A swing frame 25 that is swingably supported and closes between the side surface 2 and the lower surface of the curing frame 24 independently of the swing of the work cage 4, and a work provided on the front-rear moving rail (second moving rail) 23 The wire passing mechanism 26 that allows the wire 3 for suspending the cage 4 to pass therethrough is provided.
That is, in the curing device 20, the box-shaped curing frame 24 to which sheets and nets (not shown) are attached can move in the left-right direction along the side surface 2 of the structure 1 on the handrail 6a of the work cage 4 (in FIG. 1, The movement to the right side is not shown), and is configured so that it can also move in the front-rear direction (approaching direction toward and away from the side surface 2) (see FIG. 3), and the side surface of the curing frame 24 caused by the swing of the work cage 4 and The lower surface gap is configured so that it can be cured without a space by a swing frame 25 (see FIG. 6) provided with a sheet, a net, or a floor plate (not shown).

The work cage 4 constituting the work gondola device 10 includes a work floor 4a that is long along the side surface 2 of the structure 1, and casters 4b are attached to four corners of the lower surface to move on the ground or on the rooftop. It is like this. Around the work floor 4a, front and rear handrail frames 6 and left and right handrail frames 7 along the side surface 2 of the structure 1 are provided, and are surrounded so that the worker can work safely. Further, a sheet or net (not shown) for curing is attached to these handrail frames 6 and 7.
For example, two winders 5 are mounted on the work cage 4, and the two wires 3 fixed to the roof of the structure 1 and hung along the side surface 2 are wound around the sheave of the winder 5 to form the wires 3. It is possible to move up and down while moving the winding position by frictional force with the sheave of the winder 5.
The work gondola device 10 connects the work cage 4 with the wire 3 hung from a trolley such as the roof of the structure 1 or a fixed winder without providing the winder 5 in the work cage 4. The work cage 4 may be moved up and down by winding and unwinding the wire 3.

The curing device 20 that prevents falling objects and scattered objects associated with the work performed from the work cage 4 includes a left and right moving rail 21 that serves as a first moving rail. The left and right moving rails 21 are mounted on the two handrails 6a of the handrail frame 6 at the front and rear in the direction along the side surface 2 of the structure 1. Since the left and right moving rails 21 have different heights on the front and rear sides of the handrail frame 6, for example, as shown in FIG. 3, the left and right moving rails 21 are horizontally attached at different heights.
As the left and right moving rails 21, for example, as shown in FIGS. 4 and 5, an extrusion mold material 30 made of metal such as aluminum is used. The extruded shape member 30 has a square outer shape in cross section, and is provided with right-angled triangular corner portions 30c located at four corners of the square from a central portion 30a of the square through connecting pieces 30b in a diagonal direction. A substantially trapezoidal groove 30d is formed in the center of each side.

As shown in FIG. 4, for example, the left and right moving rails 21 are mounted along the uppermost handrail 6a of the handrail frame 6, and are fixed metal fittings 21a surrounding the bottom surface and the left and right side surfaces of the handrail 6a of the hollow square bar. It is fixed by tightening with a piece in the groove portion 30d of the extruded mold material 30 and a bolt penetrating the side surface. The left and right moving rails 21 are low on the front surface side on the structure 1 side and high on the rear surface side.

The two left and right moving rails 21 are provided with a rectangular left and right moving frame 22 that can move along the left and right moving rails 21, and are provided with five columns 22a. The left/right moving frame 22 is composed of a metal extruded mold member 30 like the left/right moving rail 21, and as shown in FIG. 1, the two columns 22a on the front side have a narrow space and three columns on the rear side. The spacing between the columns 22a of the book is wide.
The left-right moving frame 22 has a left-right width required when working in one place of the work cage 4, and a front-rear depth thereof has a size matching the front-back width of the work cage 4.
The left/right moving frame 22 is provided with four sliders (not shown) that slide in the substantially trapezoidal groove portion 30d of the extruded mold material 30 forming the left/right moving rail 21, and are movable.

Front and rear movement rails 23 are attached to the left and right movement frames 22 as second movement rails extending in the front and rear direction at both left and right ends. The front-rear moving rail 23 is composed of the metal extruded mold material 30 like the left-right moving rail 21, and as shown in FIG. 3 and the like, from the work cage 4 to the front curing position A necessary for the work, The length corresponds to the rearward retracted position B that does not interfere with the lifting and lowering of the work cage 4.

A box-shaped curing frame 24 is provided on the front-rear moving rail 23 so as to be movable in the front-rear direction according to the left-right width, front-rear depth and height required when working at one place of the work cage 4. The curing frame 24 is composed of a metal extruded mold material 30 like the left and right moving rails 21 and the like, and has an opening on the front surface side for performing work. The box-shaped curing frame 24 is provided with a sheet or a net (not shown) on the frame other than the opening on the front side so that falling objects and scattered objects due to the work can be retained in the curing frame 24. is there. The curing frame 24 is provided with a slider (not shown) that slides in the substantially trapezoidal groove portion 30d of the extruded mold material 30 that constitutes the front-rear moving rail 23 and is movable.
With such a left/right moving rail 21, a left/right moving frame 22, a front/rear moving rail 23, and a curing frame 24, the curing frame 24 can move the working cage 4 to the left/right (moving to the right side as shown in FIG. 1). (Not shown), and can also move forward and backward as shown in FIG. 3, so that work can be performed in one place of the work cage 4 while being surrounded by a curing frame 24 and being cured. Therefore, falling objects and scattered objects can be received in the curing frame 24.

As shown in FIG. 6, the curing frame 24 is provided with a rocking frame 25 so that the curing can be automatically performed even when the work cage 4 is shaken when the work is carried out from the work cage 4. There is.
The rocking frame 25 has an isosceles triangle shape matching the height of the curing frame 24, and has two side frames 25a whose tops are rotatably attached to the curing frame 24 and two isosceles triangles. It is configured to include the bottom side of the side frame 25a and a bottom frame 25b connecting the lower ends of the two side frames 25a. A seat or a net (not shown) is attached to the side frame 25a, and a plate material, a sheet, or a net is selected and attached to the bottom frame 25a according to the work.
In the work gondola device 10 including the swing frame 25, the swing frame 25 swings around the upper end of the curing frame 24 even when the work cage 4 swings by performing work while projecting from the work cage 4. However, the bottom frame 25b is automatically extended according to the swing width, and the floor portion between the work cage 4 and the structure 1 can be cured, and the gap between the side surface of the curing frame 24 and the side frame 25a. Can be cured.

In this work gondola device 10, when the curing frame 24 is moved to the left and right, the wires 3 that suspend the work cage 4 are connected to the inside of the left and right ends of the work cage 4, so that If the curing frame 24 is moved to the both end positions C, the front-rear moving rail 23 and the wire 3 interfere with each other.
Therefore, a wire passing mechanism 26 is provided on the front-rear moving rail 23.
As shown in FIGS. 2 and 7, the wire passing mechanism 26 includes a notch portion 23 a that is provided in a portion of the front-rear moving rail 23 that interferes with the wire 3 and that allows the wire 3 to pass therethrough, and a notch portion of the front-rear moving rail 23. It is configured to include a connecting rail 26a that can be embedded by filling 23a into a connected state, and a rotating arm 26b that is attached to the connecting rail 26a and that rotates to the connecting position D and the open position E.
The rotating arm 26b is formed of two pieces with a space therebetween and is arranged on both sides of the front-rear moving rail 23, and an end portion on the front surface side is rotatably attached to the front-rear moving rail 23. A connecting rail 26a is attached at a predetermined position between the two rotating arms 26b. At the connecting position D where the connecting rail 26a is located in the notch 23a, a fixing pin (not shown) is inserted into the end of the rotating arm 26b so as to be fixed to the front-rear moving rail 23.
Therefore, when the curing frame 24 is moved to the left and right end positions C of the work cage 4 and the front-rear moving rail 23 interferes with the wire 3, the rotating arm 26b of the wire passing mechanism 26 is pulled out from the fixing pin. By rotating it to the open position E, the notch 23a is formed in the front-rear moving rail 23, and the wire 3 can be passed therethrough. At this time, by setting the curing frame 24 at the retracted position B which is retracted to the front or rear side of the notch 23a of the front-rear moving rail 23, it is possible to prevent the interference and allow the wire 3 to pass therethrough.

As described above in detail with the embodiment, according to the work gondola device 10 of the present invention, the work cage 4 suspended from the structure 1 and moved along the side surface 2 of the structure 1 and the work A work gondola device including a curing device 20 provided on the cage 4 and provided with a sheet or a net for preventing falling objects and scattered objects around the work, the curing device 20 being a work gondola device. Handrails extending in the left-right direction are provided in front of and behind the front side and rear side of the first moving rail 21 and the first moving rail 21 provided along the two handrails 6a, respectively. moving Te and lateral direction is movable in the movable frame 22, a first moving rail 21 perpendicular to the that provided in the longitudinal direction two second movable rail 23 provided on the movable frame 22, the second A box-shaped curing frame 24 that moves in the front-rear direction on the rail 23 and surrounds both side surfaces and the back surface of the working range to the side surface 2, and a swing of the working cage 4 that is swingably supported on the front side upper portion of the curing frame 24. Includes a swing frame 25 that independently closes the space between the side surface and the lower surface of the curing frame 24, and a wire passing mechanism 26 that passes through the wire 3 that suspends the work cage 4 and that is provided on the second moving rail 23. In the wire passing mechanism 26, the cutout portion 23a formed in the passing portion of the wire 3 of the second moving rail 23, the connecting rail 26a that fills the cutout portion 23a and is in the connected state, and the connecting rail 26a are attached. And a pivot arm 26b pivotably supported by the second moving rail 23 and pivoting the connecting rail 26a between the connecting position and the retracted position. The frame 24 can move in the left-right direction along the side surface 2 of the structure 1 on the handrail 6a of the work cage 4, and can also move in the front-back direction (approach direction to the side surface 2). The resulting gap between the side surface and the lower surface of the curing frame 24 can be cured without a gap by a swing frame 25 provided with a sheet, a net, or a floor plate.
As a result, it is possible to cure falling objects and scattered objects caused by the work from the work cage 4 without leaving any gap.
Further, the curing frame 24 can be moved to the left and right and the front and rear of the work cage 4, the work range at one place can be cured by the curing frame 24, and the work cage 4 automatically swings even if the work cage 4 shakes. It can be cured in the frame 25.
Further, even when the curing frame 24 is moved, if the front-rear moving rail 23 interferes with the wire 3, the wire 3 can be passed by the wire passing mechanism 26 to prevent buffering with the wire 3. The curing frame 24 can be moved.
Further, the curing device 20 can be installed and stored simply by moving the curing frame 24 along the left and right and front and rear rails 21 and 23, and can be easily performed without the need for folding.

Also, word ear passage mechanism 26 includes a cutout portion 23a formed at the passage portion of the wire 3 of the second moving rail 23, a connecting rail 26a to the connection mode to fill the notches 23a, connecting rails 26a Is attached to the second moving rail 23 and is rotatably supported by the second moving rail 23. The connecting rail 26a is provided with a rotating arm 26b for rotating the connecting rail 26a between the connecting position and the retracted position. By rotating the rotating arm 26b to position the connecting rail 26a in the notch 23a, the curing frame 24 can be moved in the front-rear direction without any trouble.

Further, according to the working gondola device 10 of the present invention, the swing frame 25 includes the bottom frame 25b, one end of which is swingable and the other end of which is located on the curing frame 24, at the lower portion on the front surface side. Even when the work cage 4 shakes, the rocking frame 25 automatically rocks so that the space between the curing frame 24 and the structure 1 can be cured.

10 Work gondola device 1 Structure 2 Side surface 3 Wire 4 Work cage (gondola)
4a work floor 4b casters 5 winders 6 front and rear handrail frames 6a handrails 7 left and right handrail frames 20 curing device 21 left and right moving rails (first moving rails)
21a Fixing bracket 22 Left and right moving frame (moving frame)
22a prop 23 front-rear moving rail (second moving rail)
23a Notch 24 Curing Frame 25 Swing Frame 25a Side Frame 25b Bottom Frame 26 Wire Passing Mechanism 26a Connecting Rail 26b Rotating Arm 30 Extruded Mold Material 30a Center 30b Connecting Piece 30c Corner 30d Groove
A Forward curing position B Evacuation position C Both end positions D Connection position E Open position

Claims (2)

A work cage suspended from a structure and moved along the side of the structure;
A work gondola device comprising: a curing device provided with a sheet or a net, which is provided in the work cage to prevent falling objects or scattered objects around the work,
The curing device is
Handrails extending in the left-right direction are provided on the front and rear sides of the work cage , respectively, and first moving rails are provided along the two handrails, respectively .
A movable frame movable in the left-right direction along the first movable rail;
And two of the second moving rail that is provided in the longitudinal direction orthogonal to said first moving rail provided on the movable frame,
A box-shaped curing frame that moves on the second moving rail in the front-rear direction and surrounds both side surfaces and a back surface of a working range to the side surface,
A swing frame that is swingably supported on the front side upper portion of the curing frame and closes between the side surface and the lower surface of the curing frame independently of the swing of the work cage,
A wire passing mechanism which is provided on the second moving rail and allows a wire for suspending the working cage to pass therethrough ,
The wire passing mechanism is
A notch formed in the wire passing portion of the second moving rail,
A connecting rail that fills the cutout portion and is in a connected state,
A rotating arm for rotating the connecting rail is supported rotatably to the connecting rail is mounted said second moving rail to the connection position and the retracted position, Ru provided with,
A work gondola device characterized by the above. The swing frame includes a bottom frame, one end of which is swingable and the other end of which is located on the curing frame, on the lower portion on the front surface side.
The work gondola device according to claim 1, wherein:

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