JP5532547B2 - Working method - Google Patents

Description

The present invention relates to a working method , and more particularly, to a working method effective for various kinds of work performed on a ceiling portion above a fixture such as a desk and a chair arranged on the upper surface of a floor in a building.

  In general, in an existing building such as an office building, a lot of equipment such as desks and chairs are arranged on an indoor floor surface, and various operations are performed using these equipment.

  In addition, for buildings with the above-mentioned structure, various constructions for the ceiling of the interior (ceiling surface repair work, ceiling back piping, wiring repair work, ceiling surface lighting fixture replacement work, etc. In this case, since the ceiling part is at an indoor high place, various constructions are performed on the ceiling part using various work scaffolds.

An example of this type of work scaffold is described in Patent Document 1. This work scaffold is constructed by a framework, a work floor horizontally spanned in the framework, and a lifting means that moves up and down the work floor by moving a part of the framework up and down while being incorporated in the framework. By using the work scaffold with such a configuration, workability of various constructions performed on the ceiling can be improved, and various constructions can be performed efficiently.
JP-A-10-110526

  By the way, in the work scaffold having the above-described configuration, when various kinds of construction are performed on the indoor ceiling portion, fixtures such as desks and chairs are arranged on the floor surface below the ceiling portion. In this case, because of the structure of the framework, those fixtures are in the way, so it is necessary to arrange the work scaffolds after moving those fixtures to other places, which requires a great deal of labor, time and labor. Take it.

  In addition, when various kinds of work to be performed on the ceiling are suspended, the work platform must be moved to another location, and the desk and other equipment must be returned to their original positions so that normal operations are not hindered. It must be restored to the state, and the work takes a lot of labor, time and labor.

The present invention has been made in view of the above-described conventional problems, and various types of indoor ceilings of a building, such as desks, chairs, and other fixtures arranged above the floor surface. When performing construction, it is possible to perform various constructions on the ceiling without moving desks, chairs, and other fixtures, thereby improving the workability of various constructions performed on the ceiling. It is possible to provide a work method that can greatly improve the work efficiency of various constructions.

In order to solve the above problems, the present invention employs the following means.
That is, the present invention is a method for performing various constructions on a ceiling portion above various types of equipment while avoiding the various types of equipment in a building where various types of equipment are arranged on the upper surface of the floor. A movable table that is movable on the floor surface, and a movable table that is movable on the floor surface, so as to correspond to a part of the ceiling portion; Elevating means having a plurality of elevating members provided with an actuator having a rod that can be moved up and down in an up-and-down direction is disposed avoiding the various fixtures, and a plurality of elevating members of the elevating means By fitting both ends into the concave portion of the upper end of the actuator rod of the lifting member adjacent to the lifting means between the upper end portions of the actuator rod, it is detachable between the upper ends of the actuator rods of the adjacent lifting member. Water A frame comprising: a beam attached to the upper surface of the adjacent beam; and a joist that is detachably attached between both ends in the longitudinal direction on the upper surface side of the adjacent beam; and a center joist of the frame; the work bed of a plurality of flooring which is detachably attached so as to close the inside of the opening, and hung in a state straddling the various fixtures, rods the working floor of the actuator of the plurality of elevating members When performing various constructions on a part of the ceiling part above the various fixtures by attaching a lighting fixture to the lower surface of the work floor Following the advance and retreat of the rods of the actuators of the plurality of lifting members of the lifting means, the working floor is moved up and down, the working floor is positioned at a predetermined position above the various fixtures, and the ceiling portion Various work is performed on a part, and when the various work on the part of the ceiling is suspended, the work floor is moved up and down following the advance and retreat of the actuator rods of the lift members of the lift means. The work floor is positioned at a position in close contact with or close to the lower surface side of the ceiling portion.

According to the working method of the present invention, the moving platform of the elevating means, the elevating member, and the work floor are arranged avoiding various types of equipment (desks, chairs, etc.), so that various types of equipment can be used without moving various types of equipment. Various constructions can be performed on a part of the ceiling above the fixture. In addition, when performing various types of work on a part of the ceiling, the work floor is moved above and below various fixtures by moving the work floor up and down following the advance and retreat of the actuator rods of a plurality of lifting members. The work floor can be positioned in close contact with or close to the lower surface side of the ceiling part when various works are suspended for a part of the ceiling part. Various kinds of equipment do not get in the way when performing various kinds of construction work on a part, and the work floor does not disturb the normal work performed using various kinds of equipment during a stoppage.
Further, when various works on the ceiling portion are suspended, the certification device on the lower surface of the work floor can be used as a proof of normal work performed using various fixtures arranged on the floor surface.

As described above, according to the working method of the present invention, when various kinds of constructions are performed on a part of the ceiling part above the fixtures such as desks and chairs arranged on the upper surface of the floor, the constructions are performed. There is no need to move equipment such as desks, chairs, etc. during the pause. This eliminates the need to move the equipment such as desks and chairs and return the equipment such as desks and chairs to their original positions, thus improving the workability of various constructions performed on a part of the ceiling. It is possible to greatly improve the work efficiency of various constructions.
In addition, when various types of work to be performed on a part of the ceiling are suspended, the work floor can be kept in close contact with or close to the ceiling above the fixtures such as desks and chairs. It will not interfere with normal business operations using equipment such as. In addition, if the lighting fixture is removed from the ceiling due to construction on a part of the ceiling, the lighting fixture attached to the lower surface of the work floor can be used as lighting, which may hinder normal operations. There is nothing wrong.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 to 7 show an embodiment of a working method according to the present invention. FIG. 1 is a schematic view showing the entire work scaffold used in the work method, FIG. 2 is an explanatory view of each member constituting the work scaffold, FIG. 3 is an explanatory view showing an assembly procedure of lifting means of the work scaffold, and FIG. FIG. 5 is an explanatory diagram showing a ceiling surface renovation work, FIG. 6 is an explanatory diagram showing a ceiling back renovation work, and FIG. 7 is an explanatory diagram showing a state when the work is suspended. FIG.
As shown in FIG. 1, the work scaffold 100 used in the work method of the present invention is a variety of work (ceiling surface renovation work) on a ceiling portion (ceiling surface, back of the ceiling, etc.) inside an existing building. Desks, chairs, etc. that are used on the floor 10 below the ceiling of the construction site, etc. The work can be performed on the ceiling without moving the fixture 11.

  As shown in FIG. 1, the work platform 100 can be moved up and down by the lifting means 110 disposed on the floor surface 10 below the ceiling of the construction target site, avoiding the equipment 11 such as a desk and a chair, and the lifting means 110. And a work floor 150 supported by the floor, and is assembled and used on the floor surface 10 below the ceiling of the construction target site or in the vicinity thereof.

  The elevating means 110 includes a plurality of elevating members 110a (four elevating members 110a in the present embodiment) and a drive source for elevating each elevating member 110a, and the work floor 150 is horizontally disposed between the upper ends of the elevating members 110a. It is attached in a state of being stretched over.

  The elevating member 110a is attached to the cylinder main body 111, a rod 112 that can be projected and retracted from the cylinder main body 111, and an upper end portion of the rod 112, and a concave portion 113a that supports an end portion of a beam 161, which will be described later, in the central portion on the upper surface side. A hydraulic cylinder having a connecting metal fitting 113, which is vertically installed on an upper part of a movable table 114 supported by a plurality of wheels 114a and movable on the floor surface 10. A rod is disposed above the movable table 114. 112 is configured to be movable back and forth in the vertical direction.

  The drive source includes a hydraulic pressure supply source, a pipe connecting the hydraulic pressure supply source and the cylinder main body 111 of the elevating member 110a, and the rod 112 by supplying hydraulic pressure from the hydraulic pressure supply source to the cylinder main body 111 via the pipe. Advances and retreats in the up-and-down direction, and the work floor 150 supported by the rod 112 moves up and down (up and down) following the advance and retreat of the rod 112.

  The work floor 150 is formed in a rectangular shape, and is a frame 160 configured by horizontally framing a plurality of steel materials between the upper ends of the rods 112 of the four lifting members 110a. A plurality of rectangular plate-like flooring 170 attached to the upper part of the frame 160 so as to close the opening inside the frame 160, and both corners at both ends in the longitudinal direction of the work floor 150 are a pair. It is supported by the elevating member 110a so as to be movable up and down.

  The frame 160 includes beams 161 and 161 that are detachably mounted horizontally between a pair of elevating members 110a and 110a disposed at both corners of both ends in the longitudinal direction of the work floor 150, and both beams 161, 161 is composed of three joists 162 installed between both ends in the longitudinal direction on the upper surface side of 161 and between the middle parts, and a plurality of flooring materials 170 are attached to the upper parts of the three joists 162. Each joist 162 is detachably attached to the upper part of the beam 161 by attaching means such as screws, and each flooring 170 is detachably attached to the upper part of the joist 162 by attaching means such as screws.

  Each beam 161 includes a prism-shaped beam main body 161a and a rod-shaped attachment portion 161b that is integrally provided at both ends in the longitudinal direction of the beam main body 161a and whose lower end protrudes below the lower surface of the beam main body 161a. The beam 161 is detachable between each pair of lifting members 110a and 110a by fitting the lower end portion of the mounting portion 161b into the recess 113a of the coupling metal 113 at the upper end of the rod 112 of the lifting member 110a. Attached to.

The work scaffold 100 configured as described above is assembled according to the following procedure.
First, as shown in FIG. 2, the work scaffold 100 is carried on the floor surface 10 in the vicinity of the construction target site in a state where the work scaffold 100 is disassembled into the elevating member 110a, the beam 161, the work floor 150, and the joist 162. As shown in FIG. 3, the equipment 11 such as desks and chairs arranged on the floor 10 below the ceiling of the construction target site is avoided, and the equipment 11 is sandwiched from both sides at the four corners outside the equipment 11. A pair of elevating members 110a and 110a are arranged, the cylinder main body 111 of each elevating member 110a is connected to a hydraulic pressure supply source via a pipe, and the elevating means 110 is configured outside the equipment 11 so as to surround the equipment 11.

  Next, as shown in FIG. 4, the mounting portions 161b at both ends of the beam 161 are fitted into the recesses 113a of the connecting fitting 113 at the upper end of the rod 112 of each pair of lifting members 110a, and each pair of lifting members 110a. The beam 161 is horizontally installed between the upper ends of the rods 112, and the joists 162 are attached by means of attachment means such as screws, between the longitudinal ends of the upper surfaces of the beams 161 and 161, and between the central portions. A frame 160 composed of two beams 161 and three joists 162 is supported between the upper ends of the rods 112 of the two lifting members 110a.

  Next, as shown in FIG. 1, a plurality of flooring materials 170 are arranged on the upper part of the joist 162 of the frame 160 so as to close the opening inside the frame 160, and each flooring 170 is attached to the joist by means such as screws. Attach to 162. In this manner, the rectangular work floor 150 including the frame 160 and the plurality of flooring materials 170 is horizontally installed between the upper ends of the rods 112 of the four lifting members 110a, whereby the rods 112 of the four lifting members 110a. The work scaffold 100 capable of moving (moving up and down) the work floor 150 in the up and down direction following the movement in the up and down direction can be assembled.

  When disassembling the work scaffold 100, the elevating member 110a, the beam 161, the joist 162, and the flooring 170 as shown in FIG.

  Next, various work on the ceiling part (ceiling surface repair work, ceiling back piping, wiring repair work, ceiling light fixture replacement work, etc.) performed using the work platform 100 configured as described above ) Will be described.

  First, in accordance with the above-described procedure, the work scaffold 100 is assembled by avoiding the fixtures 11 such as desks and chairs disposed on the floor surface 10 below the ceiling of the construction target location, and the four lifts of the work scaffold 100 are performed. The member 110a is arranged outside the fixture 11 such as a desk and a chair so as to surround the fixture 11, and a work floor 150 is horizontally installed between the upper ends of the rods 112 of the four elevating members 110a. The work floor 150 is configured to be movable up and down.

  In this case, each of the elevating members 110a includes the movable table 114 that can move on the floor surface 10, so that it can be easily positioned at a predetermined position outside the fixture 11, such as a desk or chair, Even after the floor 150 is attached, the position of the work floor 150 can be finely adjusted.

  In addition, after assembling the work scaffold 100 at a position distant from the equipment 11 such as a desk and a chair, the work scaffold 100 is moved on the floor surface 10 so that the work floor 150 is disposed above the equipment 11 such as the desk and chair. May be configured.

  Next, a plurality of struts 201 are vertically attached to the peripheral portion on the upper surface side of the work floor 150 of the work platform 100, the rope 202 is bridged between the adjacent struts 201, 201, and a plurality of struts 201 are disposed on the upper surface side of the work floor 150. A handrail 200 for preventing fall that includes a support 201 and a rope 202 is installed to ensure the safety of the operator.

  Then, the work floor 150 is moved up and down by the operation of the four lifting members 110a, and the work floor 150 is positioned at a predetermined position in the vertical direction. Can be done.

  For example, as shown in FIG. 5, repair work or the like of the ceiling surface 20 can be performed using a work floor 150 positioned in the vicinity of the fixture 11 such as a desk or a chair. In addition, as shown in FIG. 6, the work floor 150 positioned in the vicinity of the ceiling surface 20 can be used to perform repair work such as piping and wiring of the ceiling back 21.

  On the other hand, when various works are suspended, the handrail 200 is removed from the upper surface side of the work floor 150, the four lifting members 110 a are operated to raise the work floor 150, and the upper surface of the work floor 150 is in close contact with the ceiling surface 20. Alternatively, it is positioned in a close position.

  In this case, the work floor 150 may be brought into close contact with or close to the ceiling surface 20 of the ceiling portion above the fixture 11 such as a desk or chair, and as shown in FIG. 7, the work scaffold 100 is equipped with a fixture such as a desk or chair. 11 may be moved to a position away from 11 and may be brought into close contact with or close to the ceiling surface 20 of the ceiling portion above the position.

In the work method of the present embodiment configured as described above, both the lift members 110a of the lift means 110 of the work scaffold 100 and the work floor 150 are arranged avoiding the fixtures 11 such as desks and chairs. Therefore, it is possible to perform various constructions on the ceiling above the fixtures 11 such as desks and chairs without moving the fixtures 11 such as desks and chairs. The work efficiency of various constructions can be greatly increased.

  Further, when various works are suspended, the work floor 150 can be positioned in close contact with or close to the ceiling surface 20 of the ceiling portion above the fixture 11 such as a desk or chair, and the work floor 150 is raised or lowered. Since the elevating member 110a is arranged avoiding the fixtures 11 such as a desk and a chair, the work floor 150 does not get in the way when various kinds of work are suspended, and on the floor surface 10 below the work floor 150. Ordinary work can be performed using the equipment 11 such as a desk and a chair.

  Furthermore, since each elevating member 110a includes a movable table 114 that can move on the floor surface 10, each elevating member 110a can be easily positioned at a position avoiding the fixture 11, such as a desk or chair, The work floor 150 supported by the elevating member 110a can be easily positioned at a predetermined position above the fixture 11, such as a desk or a chair, and further, via the movable table 114 in accordance with a change in a construction target location or the like. Thus, the lifting members 110a and the work floor 150 can be easily moved to other positions.

  Further, by attaching a lighting fixture to the lower surface side of the work floor 150, when the lighting fixture is removed from the ceiling surface 20 by various constructions on the ceiling portion, the lighting fixture on the lower surface side of the work floor 150 is used as illumination. Therefore, there is no possibility of hindering normal work performed using the equipment 11 such as a desk and a chair below the work floor 150.

  In the above description, the elevating means 110 is constituted by the four elevating members 110a. However, the elevating means 110 may be constituted by three or less or five or more elevating members 110a. In short, any number may be used as long as the work floor 150 can be stably supported so as to be movable up and down.

  In the above description, the elevating member 110a is constituted by a hydraulic cylinder. However, the actuator is not limited to a hydraulic cylinder, and various actuators such as a pneumatic cylinder may be used. The point is that the work floor 150 can be moved up and down and positioned at a predetermined position in the vertical direction.

  Further, in the above description, as various works for the ceiling part, the repair work for piping, wiring, etc. on the ceiling back 21 and the repair work for the ceiling surface 20 have been described as examples. The working method and the working scaffold according to the present invention may be applied to various other constructions, and it is needless to say that the same effects can be obtained in this case.

Furthermore, in the above description, the existing building has been described as an example, but the working method of the present invention may be applied to various constructions for the ceiling part of a new building, and even in that case The same effect is obtained .

It is the schematic which showed one Embodiment of the working method by this invention, Comprising: It is the schematic which showed the whole working scaffold used for a working method. It is explanatory drawing which showed each member which comprises the work scaffold of FIG. It is explanatory drawing which showed the assembly procedure of the raising / lowering means of the working scaffold of FIG. It is explanatory drawing which showed the assembly procedure of the flame | frame of the working scaffold of FIG. It is explanatory drawing which showed the repair work of the ceiling surface. It is explanatory drawing which showed the repair work of the ceiling back. It is explanatory drawing which showed the state at the time of the stop of construction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Floor surface 11 Equipment 20 Ceiling surface 21 Ceiling back 100 Working scaffold 110 Lifting means 110a Lifting member 111 Hydraulic cylinder 112 Rod 114 Moving stand 150 Work floor 160 Frame 161 Beam 162 Floor joist 170 Floor material

Claims (1)

Inside the building where various fixtures are arranged on the top of the floor, it is a work method of various constructions performed on the ceiling above the various fixtures avoiding the various fixtures,
A moving table that can move on the floor surface, and an upper part of the moving table, are erected on an upper portion of the floor surface below a portion of the ceiling portion so as to correspond to a part of the ceiling portion. Along with arranging the lifting means having a plurality of lifting members provided with an actuator having a rod that can be moved back and forth in the vertical direction, avoiding the various equipment,
By fitting both ends into the recesses of the upper ends of the actuator rods of the lifting members adjacent to the lifting means between the upper ends of the actuator rods of the plurality of lifting members of the lifting means, the adjacent lifting members A frame composed of a beam that is detachably mounted horizontally between the upper ends of the rods of the actuator, and a joist that is detachably mounted between both ends in the longitudinal direction on the upper surface side of the adjacent beam and between the center portions; A work floor composed of a plurality of floor materials removably attached so as to close the opening inside the frame is bridged over the various fixtures on the joist of the frame, The floor can be moved up and down in the vertical direction following the advance and retreat of the rods of the actuators of the plurality of lifting members, and a lighting fixture is attached to the lower surface of the work floor,
When performing various constructions on a part of the ceiling portion above the various fixtures, the working floor is moved up and down following the advance and retreat of the actuator rods of the plurality of lifting members of the lifting means. , Positioning the work floor at a predetermined position above the various fixtures, and performing various constructions on a part of the ceiling,
When various works are suspended for a part of the ceiling part, the work floor is moved up and down following the advance and retreat of the actuator rods of the plurality of lifting members of the lifting means, and the work floor is moved to the lower surface side of the ceiling part. A working method characterized by positioning at a position in close contact with or close to the head.

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