JP2007132087A - Suspended working floor device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suspended working floor device capable of maintaining a posture by adjusting an inclination in front and behind of a working floor such as a gondola or the like suspended through a cord vertically hung down from the upper part of a structure. <P>SOLUTION: A suspended position adjustment mechanism 10 capable of correcting the inclination by adjusting a suspended position in the longitudinal direction of the working floor 3 by the cord is provided to the suspended working floor 3 used for working suspended by the cord 2 from the upper part of the structure. Thereby, the suspended position in front and behind of the working floor 3 by the cord 2 can be changed by the suspended position adjustment mechanism 10, and even if working is carried out on the working floor 3 or the front side and the back side of an overhanging working floor 16, the inclination can be prevented, the working can be efficiently carried out and, at the same time, safety can be also improved. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a suspended work floor device, and when performing work on a work floor such as a gondola via a rope such as a wire rope suspended from an upper part of a structure such as a building, the suspended position before and after the work floor And adjustable left and right suspension intervals to correct the inclination and ensure the necessary work range regardless of the position of the rope hanging from the structure so that work can be done efficiently It is.

  Conventionally, work suspended by ropes such as wire ropes to safely and efficiently perform high-level work such as building and repairing walls of structures such as buildings, ships, power plants, tanks, chimneys, and bridges In many cases, suspended work floor devices such as work floors equipped with gondolas on which passengers board and automatic window cleaning devices are installed, they can be installed at a certain height, and can be moved up and down by an elevating mechanism. Depending on the situation, a wide range of work can be done by moving in combination with the ability to move left and right as well as up and down.

  Various types of suspension-type work floor devices such as a temporary type and a permanent type have been put into practical use, and one of them is a lifting wire or the like from the roof on the top of the structure. The work cage can be lifted and lowered along the lifting wire by an endless winder that is a lifting mechanism mounted on the work cage as a work floor, and the work cage is lifted and lowered to an arbitrary position. For example, as disclosed in Patent Document 1, for example, when combining left and right traversing, a traversing rail is temporarily installed on the roof, which is the upper part of the structure, and the vehicle travels along the traversing rail 2 The ropes such as lifting wires are suspended from the trolley of the base, and the work is done in combination with the lifting and lowering of the working cage and running the trolley along the traverse rail. There is the.

Furthermore, as shown in, for example, Patent Document 2, a carriage that can travel on the rooftop of a building is provided in a form that is often adopted as a permanent type, and a wire rope or the like is provided via an elevating mechanism mounted on the carriage. A work cage as a work floor is connected by hanging it from the tip of an arm that protrudes to the outside of the structure, and this work cage is moved up and down by winding and unwinding a wire rope by a lifting mechanism in the carriage. There is one that works in combination with the traveling of the bogie.
JP-A-2-30851 JP 2000-320133 A

  In any of these work floor devices, the work cage as the work floor is suspended through two wire ropes as a rope suspended from the roof, the roof trolley, or the carriage. Therefore, when the worker moves to the outer wall surface side (front side) of the structure, the worker is inclined to the outer wall surface side, which makes it difficult to perform the work. In a work cage equipped with a falling floor board that protrudes forward to make the work easier, when moving on the falling floor board, the work cage tilts greatly and the work is not easy to do, but it also moves to the load in the work cage There is a problem.

  In addition, depending on the shape of the rooftop parapet, etc. of the structure, there are restrictions on the mounting position and spacing of the wire rope as the rope for hanging the work cage, so it does not reach the end of the outer wall from the work cage. If the work range is restricted, the mounting position to the work cage is fixed, and it cannot be easily handled, or if you try to work in a work cage that protrudes far beyond the wire mounting position, There is a problem that the worker is inclined to the left and right by the movement of the worker to the side), making the work difficult.

  The present invention has been made in view of the above-mentioned problems, and is a suspension that maintains the posture by adjusting the front and rear inclination of a work floor such as a gondola suspended from a rope hanging from the upper part of the structure. It is intended to provide a lowered working floor device.

  In order to solve the above-mentioned problem, a suspended working floor device according to claim 1 of the present invention is provided on a suspended working floor that is suspended from a top of a structure by a rope and used for work. The present invention is characterized in that a suspension position adjustment mechanism capable of correcting the inclination by adjusting the suspension position in the front-rear direction of the work floor is provided.

  According to this suspended work floor device, the suspension position of the work floor in the front-rear direction by the rope is adjusted to the suspended work floor that is suspended from the upper part of the structure by the rope and used for work. The suspension position adjustment mechanism that can correct the inclination is provided, and the suspension position adjustment mechanism changes the suspension position of the work floor before and after the work floor by the rope, so that it can be changed on the front and rear sides of the work floor. This makes it possible to prevent tilting even when working, enabling efficient work and improving safety.

  According to a second aspect of the present invention, in addition to the structure according to the first aspect, the suspension position adjusting mechanism is parallel to one end of which is rotatably supported by the work floor. In addition to providing a sheave for guiding the rope to the other end of the parallelogram link having two pivot arms, the sheave cover is provided, and the pivot position of these pivot arms is determined. It is characterized in that a means for adjusting and fixing is provided.

  According to this suspended work floor device, the suspension position adjusting mechanism is provided in addition to a parallelogram link having two parallel pivot arms, one end of which is pivotally supported on the work floor. A sheave for guiding the rope is provided at the end so as to be rotatable, and a sheave cover is provided, and a means for adjusting and fixing the turning position of these turning arms is provided, and a parallelogram link. By guiding the rope to the sheave at the tip of the cable, the angle of the rotary arm that constitutes the link can be adjusted to change the front and rear position of the rope, and the sheave cover can be turned via the link. Regardless of the angle of the arm, the posture is always kept constant.

  Further, according to a third aspect of the present invention, in addition to the structure according to the first aspect, the suspension position adjusting mechanism is configured so that the suspension position adjusting mechanism is rotatably supported at one end portion on the work floor. A sheave for guiding the rope is provided at the other end of the moving arm, and a means for adjusting and fixing the rotating position of the rotating arm is provided.

  According to this suspended work floor apparatus, the suspension position adjusting mechanism is provided with a sheave for guiding the rope to the other end portion of a rotating arm whose one end portion is rotatably supported on the work floor. On the other hand, a means for adjusting and fixing the rotation position of the rotation arm is provided, and the front and rear positions of the rope can be adjusted through the sheave at the tip by adjusting the angle of the rotation arm. Compared with the link mechanism, the mechanism can be simplified and reduced in weight.

  According to a fourth aspect of the present invention, in addition to the structure according to the first aspect, the suspension position adjusting mechanism is connected to the fixed arm whose one end is supported by the work floor. While the sheave that guides the strip is provided, the sheave is configured to be provided with means for adjusting and fixing the reciprocating position of the sheave.

  According to the suspended working floor device, the suspension position adjusting mechanism is provided with a reciprocally movable sheave that guides the rope to a fixed arm supported at one end by the working floor. A means for adjusting and fixing the reciprocating position is provided, and the sheave provided on the fixed arm can be reciprocated to change the front and rear position of the rope. It becomes possible to adjust, and the amount of movement can be seen directly by comparing with the rotating one.

  Furthermore, the suspended work floor device according to claim 5 of the present invention is provided with an overhanging work floor that can be installed by projecting forward on the work floor, in addition to the structure according to any of claims 1 to 4. It is characterized by being configured.

  According to this suspended work floor device, the work floor is provided with an overhang work floor that can be installed by overhanging forward, and work can be performed by correcting the inclination during work on the overhang work floor. It becomes like this.

  According to a sixth aspect of the present invention, in addition to the structure according to any one of the first to fifth aspects, the suspended work floor device changes a left-right mounting position of the work floor of the suspension position adjusting mechanism. As a feature, the suspension core interval can be set.

  According to this suspension type work floor device, the suspension core adjustment unit is configured to be able to change the horizontal mounting position of the work floor of the suspension position adjustment mechanism so that the suspension core interval can be set. By changing the interval, it is possible to work in a stable state within the suspension core interval, and it is also possible to work in a stable posture using the work floor according to the work range, ensuring the necessary work range The scope of application to structures can be expanded.

  Furthermore, in addition to the structure in any one of Claims 1-6, the suspension type work floor apparatus of Claim 7 of this invention is the winding which installed the said work floor in the said work floor or the said structure It is characterized in that it can be moved up and down by a feeding device.

  According to this suspended work floor device, the work floor can be moved up and down by a take-up / feeding device installed on the work floor or the structure, and only the work floor installed at a fixed height can be used. In addition, any work floor that is raised and lowered can be combined with raising and lowering to correct the front / rear tilt, or to expand the left and right work range.

  In addition to the configuration according to any one of claims 1 to 7, the suspended work floor device according to claim 8 of the present invention is configured by a gondola for manned work or a work machine mounting platform. It is characterized by comprising.

  According to this suspended work floor device, the work floor is composed of a gondola for manned work or a platform for mounting a work machine. This makes it possible to correct the front / rear tilt accompanying the movement and work, or to expand the left / right work range.

  Furthermore, in addition to the structure in any one of Claims 1-5, the suspension type work floor apparatus of Claim 9 of this invention provided that the opening / closing door was provided in the at least one end part of the said work floor. It is a feature.

  According to this suspended work floor device, an opening / closing door is provided on at least one end of the work floor, and the opening / closing door provided on the work floor facilitates getting on and off and loading / unloading of luggage. It becomes possible to work more efficiently by combining correction of the front and rear inclination and expansion of the left and right work range.

  According to the suspended working floor device of the first aspect of the present invention, the suspended working floor suspended from the upper part of the structure by the rope is used for the work, and before and after the working floor by the rope. Since the suspension position adjustment mechanism that can correct the inclination by adjusting the suspension position in the direction is provided, the suspension position adjustment mechanism can change the suspension position before and after the work floor by the rope. Even if working on the front side or the rear side of the floor, it can be prevented from tilting, so that the work can be performed efficiently and the safety can be improved.

  According to the hanging type work floor device of the present invention, the hanging position adjusting mechanism includes two parallel rotating arms each having one end rotatably supported on the work floor. A sheave for guiding the rope is rotatably provided at the other end of the parallelogram link provided with a sheave cover, and a means for adjusting and fixing the rotation position of these rotating arms is provided. Because it has been configured, by guiding the rope to the sheave at the tip of the parallelogram link, you can adjust the angle of the rotating arm that constitutes the link and change the front and back position of the rope, and link the sheave cover It is possible to always maintain a constant posture regardless of the angle of the rotating arm.

  Furthermore, according to the suspended work floor apparatus according to claim 3 of the present invention, the suspension position adjusting mechanism is connected to the other end of the rotating arm whose one end is rotatably supported by the work floor. Since the sheave for guiding the rope is provided and means for adjusting and fixing the rotation position of the rotary arm is provided, the angle of the rotary arm is adjusted to adjust the angle of the rotary arm via the sheave at the tip. The position can be adjusted, and the mechanism can be simplified and reduced in weight compared to the link mechanism.

  Further, according to the suspended working floor apparatus according to claim 4 of the present invention, the suspended position adjusting mechanism can be reciprocated to guide the rope to a fixed arm whose one end is supported by the working floor. Since a sheave is provided and means for adjusting and fixing the reciprocating position of the sheave is provided, the sheave provided on the fixed arm can be reciprocated to change the front and rear position of the rope. However, the hanging position of the rope can be adjusted, and the amount of movement can be directly seen and understood as compared with the rotating one, so that it can be easily adjusted.

  Furthermore, according to the suspended working floor device according to claim 5 of the present invention, since the working floor is provided with the overhanging working floor that can be installed to be extended forward, the work floor can be operated. It is possible to work easily and safely by correcting the inclination.

  Further, according to the suspended work floor device according to claim 6 of the present invention, since the suspension core adjustment unit can be set so that the horizontal mounting position of the work floor of the suspension position adjusting mechanism can be changed. By changing the suspension core interval of the suspension position adjustment mechanism, you can work in a stable state within the suspension core interval, you can also work in a stable posture using the work floor according to the work range, The necessary work range can be secured and the application range to the structure can be expanded.

  Furthermore, according to the suspended work floor apparatus according to claim 7 of the present invention, since the work floor is configured to be moved up and down by a winding and unwinding device installed on the work floor or the structure, it has a constant height. In addition to the working floor installed on the floor, any of the raised and lowered working floors can be combined with raising and lowering to correct the front / rear tilt, or to expand the left and right working ranges.

  According to the suspended work floor apparatus of claim 8 of the present invention, since the work floor is composed of a manned work gondola or a work machine mounting base, it is mounted on a manned work or unmanned work machine. Even if the work floor is out of position, it is possible to correct the movement of the load and the front-rear inclination accompanying the work, or work by expanding the left and right work range.

  Furthermore, according to the suspended work floor apparatus according to claim 9 of the present invention, since the open / close door is provided at least at one end of the work floor, it is possible to get on and off the luggage by using the open / close door provided on the work floor. It is easy to unload, and it is possible to work more efficiently by combining correction of the inclination of the front and back of the work floor and expansion of the left and right work ranges.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a suspended work floor apparatus according to the present invention will be described below in detail with reference to the accompanying drawings.
1 and 2 relate to an embodiment in which the suspended working floor apparatus of the present invention is applied to a working cage of a gondola apparatus as a working floor. FIG. 1 is a schematic side view of the whole, and FIG. It is the front view, top view, and left view of a position adjustment mechanism.

  In this suspended work floor device 1, the front and rear suspension positions of the work cage 3 of the gondola device as a work floor that is suspended by the lifting wires 2 that are the two right and left ropes are adjusted. It is intended to suppress the forward / backward inclination.

  As the work cage 3 of the gondola apparatus as the work floor, the endless in the work cage 3 is connected to two trolleys 2 that are directly suspended from a trolley or a roof that travels on a traverse rail temporarily installed on the rooftop. Arms two lifting wires that are wound and fed by a lifting mechanism such as a drum type in a working cage of a gondola apparatus that moves up and down using a lifting mechanism 4 such as a winder, or a permanent or temporary installation on a rooftop. It can be applied to either a working cage for a gondola device that is suspended and lifted through a work cage, or a working cage that is installed at a predetermined height without an elevating mechanism, and in particular a tension that can be installed by projecting forward. This is effective for suppressing the tilt when the exit work floor is provided.

  In this suspended work floor apparatus 1, a suspended position adjusting mechanism 10 is installed in a work cage 3 as a work floor suspended from a lifting wire 2 as two ropes. It is composed of quadrilateral links.

  The suspension position adjusting mechanism 10 of the suspension type work floor device 1 includes a support column 11 fixed to the work cage 3, and the upper end of the support column 11 and a part of the support column 11 are parallelograms. As the short side link of the link, the base end portions of the two rotary arms 12 and 12a as long side links are rotatably supported below the upper end, and the wire rope 2 is attached to the tip of the lower rotary arm 12a. A sheave 13 for guiding is attached rotatably.

  Then, a sheave cover 14 that covers the outside of the sheave 13 is connected to the tip of the upper rotating arm 12 and the lower rotating arm 12a by a pin that also serves as the other short side link of the parallelogram link. The cover 14 covers the sheave 13 in the same posture regardless of the rotation angle of the rotation arms 12 and 12a.

  A screw mechanism 15 is provided as means for adjusting and fixing the rotation positions of the two parallel rotation arms 12, 12a, and an angle adjustment nut 15a attached to the lower rotation arm 12a through a long hole so as to be movable. The angle adjustment bolt 15b is screwed into the front end and is rotatably attached to the support column 11. By rotating the angle adjustment bolt 15b, the amount of protrusion from the angle adjustment nut 15a is changed and the guide 13 is guided through the sheave 13. It is possible to adjust the hanging position of the lifting wire 2 to be moved back and forth.

  Such a suspending position adjusting mechanism 10 is particularly effective when applied to the work cage 3 provided with the overhanging work floor 16, and moves the moving distance of the center of gravity position of the work cage, corrects the inclination, and adjusts the horizontal position. It is possible to work while maintaining the state.

  As the overhanging work floor 16 provided in the work cage 3, for example, as shown in FIG. 3, two fixed columns 16a are erected on the front side of the work cage 3, and these two fixed columns 16a are attached. A pivotable floor 16b that is rotatable is supported between the lower ends of the rail, a handrail frame 16c that serves as a handrail is supported by a tip at the tip of the stretchable floor 16b, and a link 16d between the middle and upper ends of the fixed column 16a and A folding link 16e at the lower end and a handrail frame 16c are connected to each other.

  Thereby, the overhanging floor 16b can be installed by rotating the overhanging floor 16b so as to overhang from the fixed column 16a, and if the overhanging floor 16b is installed and the hanging position is adjusted. It is good to retract and retract the suspension position as well as to retract.

  Next, another embodiment of the suspended working floor apparatus of the present invention will be described with reference to FIG. This suspended work floor apparatus 1A is different in a suspended position adjusting mechanism for adjusting the front and rear positions of the wire rope 2, and the suspended position adjusting mechanism 20 includes a support column 21 fixed to the work cage 3. A base end portion of one rotating arm 22 is rotatably supported at the upper end of the support column 21, and a sheave 23 for guiding the wire rope 2 is rotatably attached to the distal end thereof.

  A sheave cover 24 covering the outside of the sheave 23 is attached to the tip of the rotating arm 22 so as to be rotatable coaxially with the sheave 23, and the posture is changed by the lifting wire 2 through the guide hole 24a. The sheave cover 24 is rotated by the rotation angle of the rotation arm 22 to cover the sheave 23.

  A screw mechanism 25 is provided as means for adjusting and fixing the rotation position of the rotation arm 22, and an angle adjustment nut 25 a is provided on the support column 21 so as to face a portion protruding downward from the rotation axis of the rotation arm 22. Are attached so that the angle adjustment bolt 25b is screwed in and the tip end thereof is in contact with the rotating arm 22. By rotating the angle adjustment bolt 25b, the amount of protrusion from the angle adjustment nut 25a is changed to change the sheave 23. The hanging position of the wire rope 2 guided through the can be adjusted back and forth.

  Such a hanging position adjusting mechanism 20 is also effective when applied to the work cage 3 having the overhanging work floor 16 in particular, and moves by the moving distance of the center of gravity position of the work cage, corrects the inclination, and becomes horizontal. It is possible to work while maintaining the state.

Next, still another embodiment of the suspended working floor apparatus of the present invention will be described with reference to FIGS.
This suspended work floor apparatus 1B is different from the suspended position adjusting mechanism for adjusting the front and rear positions of the wire rope 2, and the suspended position adjusting mechanism 30 includes a support column 31 fixed to the work cage 3. A fixed arm 32 having a U-shape in plan view that projects horizontally from the upper end of the support column 31 is attached to the base end by welding or the like with the opening as a tip, and a sheave 33 that guides the wire rope 2 between the tips. Is arranged, and the rotation shaft 33a is provided so as to be reciprocally movable through the long hole 32a.

  A reciprocating mechanism 34 as a means for adjusting and fixing the reciprocating position of the sheave 33 is connected to a rotating shaft 33a of the sheave 33 by a U-shaped support member 34a in plan view, and fixed to the support member 34a. The tip of the angle adjusting bolt 34c screwed into the angle adjusting nut 34b attached to the arm 32 is rotatably connected, and the amount of protrusion from the angle adjusting nut 34b is changed by rotating the angle adjusting bolt 34c. Thus, the hanging position of the elevating wire 2 guided by reciprocating the sheave 33 can be adjusted back and forth, and the amount of movement can be directly seen and known as compared with the case of using a rotating arm.

  Such a suspending position adjusting mechanism 30 is also effective when applied to the work cage 3 having the overhanging work floor 16 in particular, and moves by the moving distance of the center of gravity position of the work cage, corrects the inclination, and adjusts the horizontal position. It is possible to work while maintaining the state.

  Next, the elevating wire 2 whose front and rear positions are adjusted by the hanging position adjusting mechanisms 10, 20, and 30 is wound around an endless winder 4 a as an elevating mechanism 4 installed in the work cage 3, for example. The working cage 3 is moved up and down relatively by changing the winding position by the frictional force, but the endless winder 4a is moved to the sheaves 13, 23, 33 of the hanging position adjusting mechanisms 10, 20, 30. It can be moved correspondingly.

  For this reason, the winder mounting base 40 is rotatably provided. Here, the case where the winder mounting base 40 is combined with the suspension position adjusting mechanism 10 of the suspension type work floor device 1 will be described with reference to FIGS. 1, 7 and 8. To do.

  One end portion of the winder mounting base 40 is rotatably attached to the support column 11 with a pin 40a, and the lower end position of the rotation when the lifting wire 2 is slackened is held by a stopper 41 fixed to the support column 11. In the state where the lifting wire 2 is stretched during lifting, the winder mounting base 40 is automatically rotated so that the distance from the sheave 13 of the hanging position adjusting mechanism 10 is the shortest. is there.

  Thereby, the raising / lowering wire 2 can be smoothly drawn out or drawn in. In the illustrated example, an overload detection mechanism 42 is interposed between the winder mounting base 40 and the endless winder 4a, and the brake is operated when a load greater than a set load is applied.

  Further, the suspended work floor apparatus 1 can change the left and right attachment positions of the lifting wire 2 with respect to the working cage 3, that is, the suspension core interval D of the two lifting wires 2. Specifically, the attachment of the support column 11 of the hanging position adjusting mechanism 10 to the work cage 3 can be easily changed.

  In order to make it possible to change the suspension core interval D of the lifting wire 2, a moving gantry 50 is provided, and the support pillar 11 is attached to the moving gantry 50.

  As shown in FIG. 1 and FIGS. 7 to 10, this movable gantry 50 includes a gantry body 51 having a U-shape in plan view, and includes two front and rear steel members 51 a and one left and right steel members 51 b having a rectangular cross section. The connecting pin holes 52 are formed at both front and rear ends of the two front and rear steel members 51 a arranged in the front and rear direction of the work cage 3. Caster attachment plates 53 are horizontally attached to both ends of the front and rear steel members 51a at the four corners of the gantry body 51, and casters 54 (not shown in FIGS. 7 and 8) are attached to the lower surface thereof. The working cage 3 mounted on the two gantry main bodies 51 and 51 can be moved while allowing itself to move.

  Further, the two front and rear steel members 51a of the movable frame 50 are provided with cage fixing portions 55 for inserting and fixing frames protruding from the bottom surface of the working cage 3 at both ends of the upper surface, and a cage floor plate at the intermediate portion. A support 56 is attached.

  Then, two fixing brackets 58 for fixing the support column base 57 fixed to the middle portion of the left and right steel members 51b with the support column 11 such as the suspension position adjusting mechanism 10 interposed therebetween are attached by welding or the like. The support column 11 is attached to the support column base 57 with two bolts and nuts.

  For example, as shown in FIG. 10, the working cage 3 mounted on the gantry body 51 of the movable gantry 50 has several types (three in the illustrated example) having different widths formed in a box frame shape having an open top. ) And the cage units 3a, 3b, 3c are connected to a predetermined width. The front and rear frames 3d of each cage unit are composed of support members 3e and reinforcing members 3f arranged in a truss shape. Opening doors 3g are provided at both left and right ends of the working cage 3, and an opening / closing handle and a handle (not shown) are provided. It opens and closes by two actions with the lock.

  In order to connect such a working cage 3 and the movable base 50, a connecting jig 59 is used, and as shown in FIG. 7, between the support member 3e and the reinforcing member 3f of the working cage 3, Alternatively, a substantially triangular locking portion 59a that locks the valley portions of the reinforcing members 3f is welded, and a U-shaped connecting portion 59b is formed at the lower end portion, so that the front and rear steel materials 51a of the movable mount 50 are formed. Pin holes 59c are formed corresponding to the connecting pin holes 52 at both front and rear ends.

  Therefore, after the working cage 3 is mounted on the front and rear steel members 51a of the movable mount 50 so that the valley portions between the support material 3e and the reinforcing material 3f of the working cage 3 or between the reinforcing materials 3f are mounted, Using the jig 59, the locking portions 59a are inserted between the support material 3e and the reinforcing material 3f of the working cage 3 or in the valley portions of the reinforcing materials 3f at the four positions before and after the two front and rear steel materials 51a. In addition to locking, the connecting portion 59b can be put on the outside of the front and rear steel members 51a of the movable mount 50, and the connecting pin can be put into the connecting pin hole 52 and the pin hole 59c so as to be connected.

  Therefore, as shown in FIG. 10, by changing the position of the movable platform 50 to the work cage 3 and connecting it with the connecting jig 59, the suspension core interval D of the lifting wire 2 can be easily changed. Necessary for the work regardless of the installation interval D of the lifting wire 2 fixed to the rooftop of the structure, etc., while adjusting the lifting position of the lifting wire 2 in the front-rear direction by the suspension position adjusting mechanism 10 attached to the movable base 50 A work cage 3 having a wide width can be suspended, so that the work range can be expanded and the application range to buildings and the like can be expanded.

  As a result, it is possible to adjust the protruding length outside the suspension core interval D of the work cage 3 with respect to the lifting wire 2 and to stabilize the work with the work cage 3 having a size necessary for the work. And it can be performed efficiently.

  Moreover, in this suspended work floor apparatus 1, since the doors 3g are provided at both ends of the work cage 3, the doors can be opened and closed. In comparison, it is possible to get on and off more efficiently.

  In each of the above embodiments, the case where a manned work cage on which an operator is boarded is used as a work floor has been described as an example. However, the present invention can be applied to a work machine mounting platform on which an automatic work machine is mounted. it can.

  In addition, the forward / backward inclination suppression and the posture adjustment are not limited to the case of having an overhanging work floor, but may be applied to a work cage having only a fixed work floor.

  Furthermore, in each of the above-described embodiments, the case where the lifting mechanism is mounted in the work cage has been described as an example. However, the present invention is not limited to this, and the lifting mechanism is installed on the rooftop, the rooftop cart, etc. It can also be applied to work floors such as cages.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall schematic side view according to an embodiment in which a suspended working floor device of the present invention is applied to a working cage of a gondola device as a working floor. It is the front view, top view, and left view of the suspension position adjustment mechanism concerning one Embodiment which applied the suspension type work floor apparatus of this invention to the working cage of the gondola apparatus as a work floor. It is the front view, top view, and right view of an overhanging work floor concerning one embodiment which applied the hanging type work floor device of this invention to the work cage of the gondola device as a work floor. It is the front view and side view of the suspension position adjustment mechanism concerning other one embodiment which applied the suspension type work floor apparatus of this invention to the working cage of the gondola apparatus as a work floor. It is a schematic perspective view of the hanging position adjusting mechanism according to yet another embodiment in which the suspended working floor device of the present invention is applied to a working cage of a gondola device as a working floor. FIG. 2 is a partially enlarged front view and a plan view of a suspension position adjusting mechanism according to an embodiment in which the suspension type work floor device of the present invention is applied to a work cage of a gondola device as a work floor. It is the one part front view and side view concerning one Embodiment which applied the suspension type work floor apparatus of this invention to the work cage of the gondola apparatus as a work floor. It is the front view and side view of a movable gantry part concerning one embodiment which applied the suspension type work floor device of this invention to the work cage of the gondola device as a work floor. It is the top view and side view of the movable gantry part concerning one embodiment which applied the suspension type work floor device of this invention to the work cage of the gondola device as a work floor. It is the front view and partial perspective view of the working cage concerning one embodiment which applied the hanging type working floor device of this invention to the working cage of the gondola device as a working floor.

Explanation of symbols

1 Suspended work floor device 2 Elevating wire (strip)
3 Cage for work (work floor)
3a, 3b, 3c Cage unit 3d Front and rear frame 3e Strut material 3f Reinforcing material 3g Opening / closing door 4 Lifting mechanism 4a Endless winder 10, 20, 30 Hanging position adjusting mechanism 11, 21, 31 Support pillar 12, 12a, 22 Rotating arm 32 Fixed arms 13, 23, 33 Sheaves 14, 24 Sheave covers 15, 25 Screw mechanisms 15a, 25a Angle adjustment nuts 15b, 25b Angle adjustment bolt 16 Overhang work floor 34 Reciprocating mechanism 34a Support member 34b Angle adjustment nut 34c Angle adjustment bolt 40 Winder mounting base 41 Stopper 42 Overload detection mechanism 50 Moving base 51 Base main body 51a Front and rear steel members 51b Left and right steel members 52 Pin holes for connection 53 Caster mounting plate 54 Caster 55 Cage fixing portion 56 Cage floor plate supporting portion 57 Support column base 58 Fixing bracket 59 Connecting jig 59 Locking portion 59b connecting part 59c pin hole D hanging core spacing

Claims (9)

  Hanging position adjustment that can correct the inclination by adjusting the hanging position of the working floor in the front-rear direction of the working floor to the hanging work floor that is suspended from the upper part of the structure by the rope and used for work A suspended working floor apparatus characterized by comprising a mechanism.   A sheave for guiding the rope to the other end of a parallelogram link having two parallel pivot arms, one end of which is rotatably supported on the work floor. 2. The suspended work floor apparatus according to claim 1, wherein the suspension work floor apparatus is provided so as to be pivotable and a sheave cover is provided, and a means for adjusting and fixing the pivot position of these pivot arms is provided.   The suspension position adjusting mechanism is provided with a sheave for guiding the rope at the other end of the rotating arm, one end of which is rotatably supported on the work floor. 2. A suspended work floor apparatus according to claim 1, wherein means for adjusting and fixing are provided.   The suspension position adjusting mechanism is provided with a means for adjusting and fixing the reciprocating position of the sheave while providing a reciprocating sheave for guiding the rope to a fixed arm supported at one end by the work floor. The suspended work floor apparatus according to claim 1, which is configured.   The suspended working floor device according to any one of claims 1 to 4, wherein the working floor is configured by providing an overhanging working floor that projects forward and can be installed.   The suspended work floor device according to any one of claims 1 to 5, wherein the suspension position adjusting mechanism is configured to be able to change a left and right mounting position of the work floor so that a suspension core interval can be set. .   The suspended work floor apparatus according to any one of claims 1 to 6, wherein the work floor is configured to be movable up and down by a winding and unwinding apparatus installed on the work floor or the structure.   The suspended work floor apparatus according to any one of claims 1 to 7, wherein the work floor is constituted by a gondola for manned work or a work machine mounting base. The suspended work floor apparatus according to any one of claims 1 to 8, wherein an opening / closing door is provided at at least one end of the work floor.

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