JP4825425B2 - Passenger conveyor erection method - Google Patents

Description

  The present invention relates to a passenger conveyor erection method in which an escalator truss as a passenger conveyor is installed between a lower floor and an upper floor of a building.

  As a method for installing this type of conventional passenger conveyor, for example, a hoisting machine such as a lifting machine is installed directly above or near the upper floor side truss support section for supporting the upper floor side end of the truss, After installing a portal-type lifting machine directly above or near the lower floor truss support that supports the lower floor of the truss, the upper floor of the truss is lifted by the upper floor lifting machine. The upper end of the truss is raised above the upper floor truss support by about the vertical thickness of the truss, and then the lower floor of the truss is lifted slightly above the lower floor truss support by the lower-floor portal type lifting machine. ing. After the entire truss is placed above the installation location in this way, the entire truss is suspended while maintaining the same angle of inclination of the truss as the installation. There is one that is attached to the support part and the lower floor side of the truss is attached to the lower floor truss support part. If the beam of the building has sufficient strength, it is possible to install a lifting machine that lifts the lower side of the truss to the beam of the building instead of installing the above-mentioned gate type lifting machine on the floor of the lower floor. is there.

  However, the above-described erection method requires the work of raising and lowering the entire truss, that is, the lifting work of a long heavy object, and therefore requires a large lifting machine having a large lifting capacity, and each truss support part on the upper floor and the lower floor. When installing a hoisting machine directly above or in the vicinity of it, there are problems that it takes labor and time to transport, fix and set up, and that it is difficult to work at high places on the upper floor and there is a danger to the operator. In addition, since the portal type lifting machine installed on the lower floor is large and has a special specification, it is necessary to manufacture this portal type lifting machine at each escalator installation site. Production costs and installation of the portal type lifting machine There is also the problem of high costs.

  Also, once the entire truss is placed above the installation location, the entire truss is suspended between the lower and upper floors of the building by suspending the entire truss while maintaining the same angle of inclination as the installation. Therefore, the distance for moving the truss in the up-and-down direction becomes long, and improvement in work efficiency is desired.

  The present invention has been made paying attention to the above-mentioned problems, and the object is to quickly install a truss between the lower floor and upper floor of the building and reduce the work space at that time. An object of the present invention is to provide a passenger conveyor erection method capable of reducing the size of a lifting machine.

  In order to achieve the above object, the first feature of the present invention is that a truss installed between a lower floor and an upper floor of a building, a balustrade erected on both sides in the width direction of the truss, and the truss A method of laying a passenger conveyor having a plurality of steps connected endlessly so as to be capable of circular movement along a step of disposing a plurality of moving means for moving the truss; Attaching a tow rope that pulls the lower floor side of the truss, moving the truss horizontally by pulling the lower floor side of the truss via the tow rope, and moving to the lower floor Installing a lifting machine to lift the lower floor side of the truss, removing the moving means on the lower floor side, providing another lifting machine on the floor of the upper floor, the lifting rope of the truss The process of tying to the lower floor and the upper floor of the truss Lifting up to the same level as the level and removing the moving means on the upper floor side, lowering the lower floor side of the truss and attaching it to the lower floor truss support part, and connecting the upper floor side end of the truss to the upper floor side Attaching to the truss support, adjusting the horizontal positions of the lower and upper floors of the truss, adjusting the fixed positions of the lower and upper floors of the truss, the tow rope and And a step of removing each of the hoisting machines.

  In the passenger conveyor erection method of the present invention, a truss can be quickly installed between the lower floor and the upper floor of the building, the working space at that time can be reduced, and the lifting machine can be downsized. Therefore, it is possible to improve the work efficiency at the time of installing the passenger conveyor and to reduce the cost required for the passenger conveyor installation work.

  According to the present invention, the lower floor side and the upper floor side of the truss are moved after the truss is horizontally moved by pulling the truss lower floor side via the pulling rope on the lower floor of the building and moving by the moving means. By raising and lowering separately rather than simultaneously, it is possible to use a small lifting machine with a relatively small lifting capacity, and it is easy to transport, fix and set up each lifting machine and requires less labor. A truss can be quickly installed between the lower and upper floors of the building. In addition, since it is not necessary to suspend the truss once after the truss has been disposed above the installation location, the working space can be reduced by shortening the distance for moving the truss in the vertical direction.

In order to achieve the above object, the present invention provides a truss installed between a lower floor and an upper floor of a building, a balustrade erected on both sides in the width direction of the truss, and a circular movement along the truss. A method of laying a passenger conveyor having a plurality of steps connected endlessly so as to be possible, the step of arranging a plurality of moving means for moving the truss, and a lower floor side below the truss A step of attaching a tow rope for towing the floor side, a step of moving the truss in a horizontal direction by operating a tow means for towing the tow rope to pull the lower floor side of the truss, and the lower floor A process of installing a mobile lifting machine to lift the lower floor side of the truss and removing the moving means on the lower floor side, a support section fixed on the floor of the upper floor, and a suspension mounted on the support section Pull the upper rope horizontally to the floor A winding upper body that winds up, a pulley that is mounted on the support and protrudes from an edge of the upper floor and on which the hoisting rope is wound, and a hydraulic unit that supplies hydraulic oil to the winding upper body Providing another hoisting machine provided on the floor of the upper floor, tying the hoisting rope to a suspension piece provided at the tip bottom of the upper floor side of the truss, and operating the pulling means to operate the truss The operation of lifting the upper floor side of the truss with the other lifting machine while adjusting the tension with respect to the lower floor side of the truss by sending or winding the tow rope on the lower floor side, While maintaining the balance with the operation of pulling the lower floor side of the truss with the pulling means , the upper floor side of the truss is lifted to the same level as the upper floor level with the other lifting machine to move the moving means on the upper floor side. Removing the lower floor side of the truss and lower floor side Attaching the upper end of the truss to the upper floor truss support, adjusting the horizontal positions of the lower and upper floors of the truss, The gist is to include a step of adjusting the fixed positions of the floor side and the upper floor side, and a step of removing the tow rope and the lifting machines, respectively.

  FIG. 1 is a flowchart showing a method for laying a passenger conveyor according to an embodiment of the present invention, FIG. 2 is a side view showing a lifting machine used in the present embodiment, and FIG. 3 is a step of horizontally moving a truss on the lower floor 4 is a side view showing a process of lifting the lower floor side of the truss, FIG. 5 is a side view showing a process of lifting the upper floor side of the truss, and FIG. 6 is hanging the lower floor side of the truss. FIG. 7 is a side view showing a state in which both end portions of the truss are attached to the upper floor side and lower floor side truss support portions, respectively.

  7 includes a lower truss 1a, an upper truss 1b, and an intermediate truss 1c. The truss 1 is installed between the lower floor 2 and the upper floor 3 of the building. A part of the balustrade 4 is erected.

  A pit 5 for receiving the lower truss 1a of the truss 1 is provided at a predetermined position on the floor 2a of the lower floor 2, and a lower floor truss support portion 6 for supporting the lower truss 1a is disposed at the bottom of the pit 5. ing. A relatively large gap G is provided between the tip of the lower truss 1a attached to the lower floor side truss support portion 6 and the pit wall portion 5a facing the lower truss 1a.

  An opening 7 is provided in the floor 3a of the upper floor 3 for installing the truss 1, and an upper floor side truss support section 8 for supporting the upper truss 1b is disposed at the edge of the floor 3a of the upper floor 3. Has been. A suspension piece (not shown) or the like is attached to the bottom of the tip of the upper truss 1b by welding or the like at the time of factory shipment.

  In the escalator installation method of the present embodiment, the escalator is installed on the floor 2a of the lower floor 2 and is attached to moving means for moving the truss 1, for example, the carriages 9 and 10 and the fixed body 11 such as the pillar of the lower floor 2. A tow winch 13 that pulls the lower floor side of the truss 1 via the tow rope 12 and a movable lifting machine that is movably provided on the lower floor 2 and lifts the lower floor side of the truss 1, for example, a gate-type suspension An upper machine 14 and another lifting machine 15 that is installed on the floor 3a of the upper floor 3 and lifts the upper floor side of the truss 1 are used.

  The gate type lifting machine 14 provided movably on the lower floor 2 can lift the lower truss 1 a while straddling both sides of the pit 5. As shown in FIG. 2, the lifting machine 15 provided on the upper floor 3 is mounted on a support portion 16 fixed to the floor 3 a of the upper floor 3, and a winding upper body 18 that winds the lifting rope 17, The pulley 19 is mounted on the support 16 and protrudes from the edge of the floor 3 a of the upper floor 3, on which the lifting rope 17 is wound, and the hydraulic unit 20 that supplies hydraulic oil to the winding upper body 18. . The support 16 of the lifting machine 15 is fixed to the floor 3a of the upper floor 3 with anchor bolts 21. Since the pulley 19 protrudes from the edge of the floor 3 a of the upper floor 3, the suspension rope 17 hanging from the pulley 19 is prevented from interfering with the upper floor side truss support portion 8. As the lifting machine 15 on the upper floor 3, for example, a well-known machine whose trade name is referred to as a hydraulic chill hall can be used.

  And in this Embodiment, the truss 1 is installed between the lower floor 2 and the upper floor 3 of a building according to the operation | work procedure shown in FIG. That is, as step S1, as shown in FIG. 3, the lower truss 1a, the upper truss 1b and the intermediate truss 1c are carried into the lower floor 2 to assemble the truss 1, and the carriages 9, 10 are placed on the floor 2a of the lower floor 2. After the setting, the bending portion between the lower truss 1a and the intermediate truss 1c is mounted on the carriage 9, and the end of the upper truss 1b is mounted on the other carriage 10, and then the fixed body 11 on the lower floor 2 is set as step S2. A tow winch 13 is attached to the hoist, and the lower floor side (lower truss 1a) of the truss 1 is pulled in the direction of the fixed body 11 through the tow rope 12 with the tow winch 13 to the lifting position shown in FIG. The truss 1 is moved horizontally on the floor 2a of the lower floor 2.

  Next, as step S4, as shown in FIG. 4, a gate type lifting machine 14 is installed on the lower floor 2, the lower floor side (lower truss 1a) of the truss 1 is lifted, the carriage 9 is removed, and the lower floor of the truss 1 Move side to just above pit 5. As step S5, the hoisting rope 17 of the hoisting machine 15 provided on the floor 3a of the upper floor 3 is tied to the hoisting piece at the bottom of the tip of the upper truss 1b, and as the procedure S6, as shown in FIG. 15, the upper floor side of the truss 1 (upper truss 1 b) is lifted to a level substantially equal to the upper floor level, and the carriage 10 is removed. At this time, the towing winch 13 is operated to send out or wind up the towing rope 12 so as to apply the rightward tension in FIG. 15 lift the upper floor side of truss 1. Thus, the balance between the operation of lifting the upper floor side of the truss 1 with the lifting machine 15 on the upper floor 3 and the operation of pulling the lower floor side of the truss 1 to the right side in FIG. In the state where the upper floor side of the truss 1, that is, the left side of FIG. 5 is lifted by the lifting machine 15 of the upper floor 3, the movement of the truss 1 to the left side of FIG. 5 is suppressed.

  Next, as step S7, as shown in FIG. 6, after lowering the lower floor side of the truss 1 into the pit 5, as shown in FIG. 15, the upper floor side of the truss 1 is lifted and the tip of the upper truss 1 b is attached to the upper floor truss support portion 8, and the lower truss 1 a is further lowered and attached to the lower floor truss support portion 6 in the pit 5. After adjusting the horizontal positions of the lower truss 1a and the upper truss 1b as S8, and adjusting the vertical fixing positions of the lower truss 1a and the upper truss 1b as procedure S9, the towing winch 13 and the lifting machines 14, 15 are installed as procedure S10. It removes and the iron plate etc. which cover the clearance gap G between the front-end | tip of the lower truss 1a and the pit wall part 5a are provided.

  In this embodiment configured as described above, the truss 1 assembled on the lower floor 2 is horizontally moved by being pulled by the towing winch 13 in a state where the truss 1 is mounted on the carts 9 and 10, and then the lower floor side of the truss 1. Since the upper floor side is lifted separately instead of simultaneously, relatively small and small lifting machines 14 and 15 can be used as compared with the conventional case of lifting the entire truss 1 simultaneously. The lifting machines 14 and 15 can be easily transported, fixed, and set up, requiring less labor, and the truss 1 can be quickly installed between the lower floor 2 and the upper floor 3. In particular, since the lifting machine 15 on the upper floor 3 requiring work at a high place is small, the lifting machine 15 can be easily and safely installed and handled on the floor 3a of the upper floor 3. Further, when the upper floor side of the truss 1 is lifted by the lifting machine 15 on the upper floor 3, the truss 1 is prevented from moving too far to the left in FIG. However, the lifting work of the truss 1 can be performed safely and accurately.

  In the present embodiment, since the lifting machines 14 and 15 are small and do not need to have special specifications, the lifting machines 14 and 15 can be shared at different escalator installation sites. , 15 production costs and installation costs can be reduced.

  Further, in the present embodiment, it is not necessary to suspend the truss 1 once after the truss 1 is arranged above the installation location, so that the working space can be reduced by shortening the distance for moving the truss 1 in the vertical direction.

  In the present embodiment, the size of the pit 5 is increased to set the gap G between the tip of the lower truss 1a and the wall 5a to be relatively large, so that the tip of the upper truss 1b is raised as shown in FIG. When attaching to the floor side truss support part 8, the lower end of the lower truss 1a does not need to interfere with the wall part 5a, and the truss 1 can be installed smoothly. Further, the same effect can be obtained by scraping off the lower end of the lower truss 1a.

  In the present embodiment, since the lifting machine 15 is installed and used on the floor 3a of the upper floor 3, when there is no suspension source such as a beam of the building or when the strength of the suspension source is not sufficient, Further, the present invention can be applied to a case where the ceiling height of the building is not sufficient, and the same applies to the gate type lifting machine 14.

  In the embodiment described above, the case where the lower floor truss support 6 is disposed in advance at the bottom of the pit 5 is exemplified, but the present invention is not limited to this, and the lower floor of the truss 1 is installed. Then, a truss support part for supporting the lower floor side of the truss 1 can be provided later.

  Moreover, in the said embodiment, although the case where the pit 5 was provided in the lower floor 2 was illustrated, instead of providing the pit 5 in the lower floor 2, a support beam is provided in the lower floor 2 and this support beam is attached to this support beam. A truss support part on the lower floor side can also be provided. In this case, the installation work of the truss 1 and the installation work of the support beam can be performed in parallel.

  Moreover, in the said embodiment, although the case where the trolley | bogies 9 and 10 were set to the lower floor 2 was illustrated, the trolley | bogie 9 was attached under the bending part between the lower truss 1a and the intermediate truss 1c, and upper truss 1b Another carriage 10 can be attached under the end of the carriage, and other moving means may be provided instead of the carriages 9 and 10. In addition, when the lower floor 2 is provided with a frame, a room, and the like, and the lower part of the truss 1 is blocked, a ramp is formed above the frame, the room, and the like. The truss 1 to which the above moving means is attached can be moved.

  Moreover, in the said embodiment, although the support part 16 of the lifting machine 15 was fixed to the floor 3a of the upper floor 3 with the anchor bolt 21, the support part 16 was welded to housings, such as a steel frame of a building. Furthermore, the winding upper body 18 and the pulley 19 may be directly attached to the floor 3a of the upper floor 3 without providing the support portion 16.

The flowchart which shows the construction method of the passenger conveyor which concerns on embodiment of this invention. The side view which shows the lifting machine used for this Embodiment. The side view which shows the process of moving a truss horizontally on a lower floor. The side view which shows the process of lifting the lower floor side of a truss. The side view which shows the process of lifting the upper floor side of a truss. The side view which shows the process of hanging the lower floor side of a truss. The side view which shows the state which attached the both ends of the truss to each truss support part of the upper floor side and the lower floor side, respectively.

Explanation of symbols

1 truss 1a lower truss 1b upper truss 1c middle truss 2 lower floor 2a floor 3 upper floor 3a floor 4 balustrade 5 pit 5a pit wall section 6 lower floor truss bearing section 8 upper floor truss bearing section 9, 10 )
DESCRIPTION OF SYMBOLS 11 Fixed body 12 Towing rope 13 Towing winch 14 Gate type lifting machine (mobile lifting machine)
DESCRIPTION OF SYMBOLS 15 Lifting machine 16 Support part 17 Lifting rope 18 Winding upper part body 19 Pulley 20 Hydraulic unit

Claims (3)

The truss installed between the lower and upper floors of the building, the balustrades erected on both sides in the width direction of the truss, and endlessly connected so as to be movable around the truss A method for constructing a passenger conveyor having a plurality of steps,
Arranging a plurality of moving means for moving the truss;
Attaching a tow rope that pulls the lower floor side of the truss on the lower floor side;
Moving the truss horizontally by pulling the lower floor side of the truss by operating towing means for towing the tow rope;
Installing a mobile lifting machine on the lower floor to lift the lower floor side of the truss and removing the moving means on the lower floor side;
A support unit fixed on the floor of the upper floor, a winding upper body mounted on the support unit to wind the hoisting rope in a horizontal direction with respect to the floor surface, and mounted on the support unit Protruding from the edge of the floor of the floor, the pulley on which the hoisting rope is wound, and another hoisting machine including a hydraulic unit for supplying hydraulic oil to the hoisting upper body is provided on the upper floor. Tying the hoisting rope to a hoisting piece provided at the bottom end of the upper floor side of the truss;
By operating the tow means and adjusting the tension with respect to the lower floor side of the truss by feeding or winding the tow rope on the lower floor side of the truss, the upper floor side of the truss with the other lifting machine Lifting the upper floor side of the truss to the same level as the upper floor level with the other lifting machine while balancing the operation of lifting the lower floor and the operation of pulling the lower floor side of the truss with the pulling means on the lower floor Removing the moving means on the upper floor side,
Lowering the lower floor side of the truss and attaching it to the lower floor truss support part, and attaching the upper floor side end part of the truss to the upper floor truss support part;
Adjusting the horizontal position of the lower floor side and upper floor side of the truss;
Adjusting the fixed positions of the lower and upper floors of the truss;
Removing each of the tow rope and each lifting machine;
A method for laying a passenger conveyor, comprising: It is a construction method of the passenger conveyor according to claim 1,
A method for laying a passenger conveyor, wherein the plurality of moving means are attached to the bottom of the truss. It is a construction method of the passenger conveyor according to claim 1,
A method for laying a passenger conveyor, wherein a part of the balustrade is attached to an upper portion of the truss.

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