JP2005231870A - Escalator installation method and crane device for installation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation method for installing an escalator main body in a building efficiently and safely at low cost by only work on a floor of the building without requiring extension of suspension origin and an opening for suspension even if the building is an existing building and to provide a crane device used in the installation. <P>SOLUTION: The crane device 10 is attached to a lower part of an intermediate part in the longitudinal direction of the escalator main body 1 which is an integrally assembled body. The escalator main body 1 is pulled and arranged at a predetermined position on a floor 5 at a lower floor of the building. The crane device 10 is fixed on the floor 5. The crane device 10 is driven and the escalator main body 1 is tilted up to a predetermined angle to align an end part on a lower floor side of the escalator main body 1 with an inner bottom face position of a pit 20 on the floor 5 in the lower floor and align an end part on an upper floor side with a position of level of a floor 33 in the upper floor. Then, an erected beam 34 is provided between the escalator main body 1 and the floor 5 in the lower floor to support load of the escalator main body 1 by the erected beam 34 and an inner bottom face of the pit 20. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an installation method for installing an escalator in a building such as a station building and a lifting apparatus for installation.

  When installing the escalator, the escalator body is lifted by a lifting device and installed so as to straddle between the lower floor and the upper floor of the building. When installing an escalator in the building under construction according to the progress of the construction, attach a lifting device to the beam of the pre-designed building, and lift the escalator with the lifting device to efficiently perform the construction. Can do.

  However, when an elevator is installed in an existing building such as a station building, for example, there are often no beams or walls of sufficient strength to attach a lifting device to the building. It is added to the upper floor of an existing building, and lifting devices such as chain blocks and winches are attached to the beams and walls.

Moreover, when it is difficult to add beams and walls, the escalator body is lifted using a self-propelled crane as a lifting device.
JP 11-92057 A

  However, if beams and walls for attaching chain blocks, winches, etc. are added to the existing building, after installing the escalator, the beams and walls must be dismantled and the parts repaired. I need it. The work of adding and dismantling the beams and walls is a work that is performed before and after the escalator installation itself, which not only costs but also prolongs the construction period throughout the work.

  On the other hand, when using a crane placed outside the building as a lifting device, it is necessary to secure a space for passing the wire for suspension through the building, that is, dismantle part of the building roof or upper floor. An opening through which the wire passes must be formed. And after the installation of the escalator is completed, the dismantled part must be repaired, which requires a lot of labor and cost, and also lengthens the construction period.

  In particular, when installing an elevator in an existing station building, the period of dismantling of the roof and floor must be minimized, and the escalator body must be suspended during a limited midnight time from the last train to the first train. Must be done. In addition to this, there are various restrictions such as securing a place for installing the crane, consideration for the overhead line of the train, road regulation in the crane installation area, and noise problems around the area.

  Furthermore, the work of lifting the escalator body with a crane is a work at a high place, is easily accompanied by danger, and the work under the suspension must be avoided, and safety management becomes considerably troublesome.

  When installing an escalator in an existing building, there are often no beams on the upper floor to receive the load of the escalator. In such a case, a dedicated receiving beam must be added to the upper floor. Is prolonged and the cost is increased.

  The present invention has been made paying attention to such points, and the purpose of the present invention is that even if it is an existing building, there is no need to add a suspension base or an opening for suspension on the floor of the building. It is an object of the present invention to provide an installation method capable of installing an escalator body in a building efficiently and safely and at low cost, and a lifting device used for the installation.

  According to the first aspect of the present invention, a lifting device is attached to a lower portion of the longitudinal intermediate portion of the escalator body, the escalator body is pulled and arranged at a predetermined position on the floor of the lower floor of the building, and the lifting device is placed on the floor. The escalator body is tilted to a predetermined angle by driving the lifting device, and the lower floor side end of the escalator body is positioned at the inner bottom surface of the lower floor pit, and the upper floor side end is After adjusting to the level of the floor on the upper floor, a support member is provided between the escalator body and the floor on the lower floor, and the load of the escalator body is supported by the support member and the inner bottom surface of the pit. It is characterized by that.

  In the invention of claim 2, the escalator body is an integral assembly integrally assembled in a space on the lower floor of the building, and the lifting device is connected to each other so as to be expandable. A beam member and a jack for expanding these beam members, the one beam member is fixed to the escalator body, and the escalator body is pulled to a predetermined position on the floor of the lower floor of the building, The other beam member is fixed to the floor, and the jack is driven in this state to tilt the escalator body to a predetermined angle.

  The invention of claim 3 is provided with a frame, and a lifting device that is movable in the horizontal direction with respect to the frame is attached to the lower part of the intermediate portion in the longitudinal direction of the escalator body. It is placed at a predetermined position on the floor of the floor, the frame of the lifting device is fixed to the floor, the lifting device is driven, the escalator body is inclined to a predetermined angle, and the end on the lower floor side of the escalator is Align the end of the upper floor with the position of the inner floor of the pit on the lower floor and the position of the level of the upper floor, then move the lifting device horizontally with respect to the underframe The upper floor side end of the escalator body is engaged with a beam on the upper floor, and then the lifting device is removed from the escalator body and the lower floor together with the underframe and removed, and the escalator body The load of the lower floor pit inner floor and upper floor floor It is characterized in that the support in the.

  According to a fourth aspect of the present invention, the escalator body is an integral assembly that is integrally assembled in a space on the lower floor of the building, and the lifting device is connected to each other so as to be expandable. And a jack for pushing up the beam members, the beam members are supported on the frame so as to be horizontally slidable, and the beam members are horizontally supported by the frame. A sliding jack is provided, the one beam member is fixed to the escalator body, and after the escalator body is pulled to a predetermined position on the floor of the lower floor of the building, the underframe is placed on the floor. In this state, the push-up jack is driven to incline the escalator body to a predetermined angle, and then the slide jack is driven to slide the escalator body horizontally. It is characterized by not engaging the ends of the upper floor side beams upstairs floor.

  The invention of claim 5 is a lifting device used for carrying out the invention of claim 1, comprising a pair of beam members connected to each other so as to be expandable, and a jack for expanding these beam members, The escalator main body can be tilted to a predetermined angle by the operation of the jack.

  A sixth aspect of the present invention is a lifting apparatus used in the implementation of the third aspect of the present invention, and is a pair of beam members that are connected to each other so as to be expandable, and a jack for pushing up that expands the beam members. The beam member is slidably supported on the frame, and a slide jack is provided on the frame to slide the beam member in the horizontal direction. The escalator main body is tilted to a predetermined angle by the operation, and the escalator main body can be slid by a predetermined distance in the horizontal direction by the operation of the sliding jack.

  The invention of claim 7 is characterized in that the underframe of the lifting device of claim 6 includes a slide mechanism including a plurality of rollers for sliding the beam member.

  According to this invention, even if it is an existing building, the escalator body can be efficiently and safely added to the building only by work on the floor of the building without requiring an extension of the suspension source or an opening for suspension. Can be installed.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 and 2 show a first embodiment.

  In the figure, reference numeral 1 denotes an escalator body. The escalator body 1 is an integrated assembly in which a balustrade 3, a step (not shown), a chain, a driving device, and the like are assembled in advance in a space under a staircase of an existing building, for example. ing. A support member 4 is attached to the lower edge of the lower floor side end portion of the truss 2.

  As shown in FIG. 1A, the escalator body 1 is supported substantially horizontally via a cradle 6 on a floor 5 on a lower floor in the building. A lifting device 10 is attached to a substantially middle portion of the lower edge of the truss 2 in the longitudinal direction.

  The lifting device 10 includes a pair of beam members 11 and 12 and a hydraulic push-up jack 14 installed between the beam members 11 and 12. The pair of beam members 11 and 12 are configured such that end portions on one end side thereof are rotatably connected via a pin 13, and the pin 13 is rotated up and down around the fulcrum to expand. . The upper one beam member 11 is fastened and fixed to the lower edge of the truss 2 via a fastener 9 such as a bolt.

  The push-up jack 14 has a pair of cylinder members 14a and 14b that extend and contract when supplied with hydraulic pressure, and one end of one of the cylinder members 14a is at a substantially intermediate portion in the longitudinal direction of the one beam member 11. The other cylinder member 14b is pivotably and detachably connected via a pin 16, and the other end of the other beam member 12 is pivotally and detachably attached to a substantially intermediate portion in the longitudinal direction of the other beam member 12 via a pin 17. Connected as possible.

  A pit 20 having a predetermined depth is formed on the floor 5 on the lower floor where the escalator is installed, as shown in FIG. Before the escalator is installed, the opening on the upper surface of the pit 20 is closed with a pit lid 21. In addition, when the strength of the floor 5 on which the escalator is installed is insufficient, the reinforcement work is performed in advance.

  The procedure for installing the escalator will be described. The escalator body 1 is assembled as an integral assembly in the space under the stairs in the building, and the lifting device 10 is installed on the truss 2 of the escalator body 1 as shown in FIG. Install.

  Next, under the state in which the beam members 11 and 12 of the lifting device 10 are closed to each other, as shown in FIG. 1 (B), the escalator body 1 is jacked up on a carriage 23 that can travel. Put it on. For example, two trolleys 23 are used. One trolley 23 supports the upper end of the escalator body 1 and the other trolley 23 supports the lower portion of the lifting device 10.

  Thereafter, the escalator body 1 is pulled from the assembly site to the escalator installation position using a traction device such as a chill hole. As shown in FIG. The escalator main body 1 is stopped at a predetermined position facing 20. At this time, the pit lid 21 is removed before the escalator body 1 reaches a predetermined position.

  Next, as shown in FIG. 2 (C), between the lower floor side end of the escalator body 1 and the bottom surface of the pit 20, and between the upper floor side edge of the escalator body 1 and the upper surface of the floor 5. In between, the jacks 25 and 26 are inserted, respectively, and the escalator main body 1 is jacked up with these jacks 25 and 26, and each carriage 23 is removed from under the escalator main body 1. Then, the escalator body 1 is lowered onto the floor 5, and the beam member 12 of the lifting device 10 is brought into contact with the upper surface of the floor 5.

  Thereafter, the beam member 12 of the lifting device 10 is fastened to the floor 5 with a plurality of fasteners 28 such as anchor bolts, the position of the escalator body 1 is fixed with the fasteners 28, and the escalator body 1 is prevented from falling. To do. Further, the jacks 25 and 26 are removed.

  Next, the hydraulic pump 30 is connected to the lifting jack 14 of the lifting apparatus 10 via an oil feeding hose (not shown). Then, the hydraulic pump 30 is driven to supply hydraulic pressure to the jack 14.

  As shown in FIG. 2 (D), the cylinder members 14a and 14b of the jack 14 are gradually extended according to the supply of hydraulic pressure, and the beam member 11 uses the hinge pin 13 as a fulcrum with respect to the beam member 12 by this extension operation. Then, the angle formed with the upper surface of the floor 5 is gradually expanded. Accordingly, the escalator body 1 is also inclined integrally with the beam member 11, and the lower floor side end of the escalator body 1 enters the pit 20 of the floor 5 by this inclination.

  Then, the escalator body 1 is tilted to a predetermined angle by the operation of the jack 14, the support member 4 of the truss 2 is substantially in contact with the inner bottom surface of the pit 20, and the upper edge of the upper floor end of the truss 2 is the upper floor. When the level becomes substantially the same as the upper surface of the floor 33, the operation of the jack 14 is stopped.

  Next, a standing beam 34 as a support member is inserted between the ends of the beam members 11 and 12 that are expanded to each other, that is, between the floor 5 and the escalator body 1 and fastened with a fastener such as a bolt. Then, the expansion angle of the beam members 11 and 12 is fixed. Thereafter, the jack 14 is removed from the beam members 11 and 12.

  Then, the support member 4 of the escalator main body 1 is liner-adjusted with a jack bolt, and is placed on the inner bottom surface of the pit 20 while being centered, and further between the upper floor side end of the truss 2 and the floor 33 of the upper floor. A sewing board (boarding board) 35 is stretched and fixed, and a sewing board (boarding board) 36 is bridged and fixed between the lower floor end of the truss 2 and the floor 5 on the lower floor.

  According to such an installation method, the load of the escalator body 1 is supported by the upright beam 34 and the inner bottom surface of the pit 20, and the load is applied only to the lower floor 5, and the upper floor 33 is substantially not loaded. Thus, the load of the escalator body 1 is not applied. Therefore, even if there is no beam supporting the load of the escalator body 1 on the upper floor 33, the escalator can be installed without adding a beam.

  When installing the escalator, there is no need to work at a high place, such as lifting the escalator body 1 with a chain block, winch, or crane, and it is only necessary to work on the floor where the escalator body 1 is pushed up with the jack 14, and thus efficient and low cost. Work can be done safely.

  In addition, there is no need for troublesome and time-consuming work such as adding a suspension base such as when using a chain block or winch, or dismantling and repairing a roof or floor of a building such as when using a crane. The escalator can be installed more efficiently and at a low cost and with a less noise in a short construction period.

  In particular, in the case of existing station buildings, elevator installation work can be carried out in all station building buildings, so there is no need for consideration of train overhead lines, and work can be carried out efficiently even while trains are in operation. Can do.

  For example, when the escalator is to be removed after the service life has passed, the jack 14 is attached to the beam members 11 and 12 of the lifting device 10 again, the standing beam 34 is removed, and the jack 14 is driven and installed. By repeating the reverse order of time, the escalator main body 1 can be easily and efficiently removed from the floors 5 and 33 of the building. Therefore, even when it is removed, the escalator body 1 can be efficiently constructed at a low cost and in a short construction period. .

  3 to 5 show a second embodiment.

  In this embodiment, it is an example when the beam 37 which can support an escalator is previously installed in the floor 33 of an upper floor.

  In the case of this embodiment, a support member 38 that can be hooked on the beam 37 is attached to the upper floor end of the truss 2 of the escalator body 1.

  The lifting device 10 provided in the escalator body 1 includes a frame 40, and the beam member 12 is provided in the frame 40 in the longitudinal direction of the frame 40 via a slide mechanism 41 including a plurality of rollers 41 a. It is mounted movably. A hydraulic slide jack 42 is provided between the end portion of the beam member 12 and the inner wall portion of the underframe 40 so that the beam members 11 and 12 can be slid in the horizontal direction by the jack 42. It has become.

  One beam member 11 of the lifting device 10 is detachably attached to the lower surface portion of the truss 2 in the escalator body 1 via a fastener 9 such as a bolt, and is attached to one end portion on the lower floor side of the beam member 11. An end on the lower floor side of the other beam member 12 is attached via a hinge pin 13 so as to be rotatable in the vertical direction, and a hydraulic push-up jack 14 is attached between the beam members 11 and 12. ing.

  The procedure for installing the escalator will be described. The assembly of the escalator body 1 and the attachment of the lifting device 10 are performed by placing the truss 2 on the cradle 6 as shown in FIG. Then, after the assembly of the escalator body 1 and the attachment of the lifting device 10 are completed, the escalator body 1 is jacked up and placed on a carriage 23 that can travel as shown in FIG. For example, three trolleys 23 are used, and one trolley 23 supports the upper end of the escalator body 1, and the remaining two trolleys 23 support the frame 40 of the lifting device 10.

  Next, the escalator body 1 is pulled from the assembly site to the place where the escalator is installed using a traction device such as a chill hole, and as shown in FIG. The escalator main body 1 is stopped at a predetermined position facing 20.

  Next, jacks 25 and 26 are inserted between the lower floor end of the escalator body 1 and the bottom surface of the pit 20 and between the upper floor end of the escalator body 1 and the upper surface of the floor 5, respectively. Then, the escalator body 1 is jacked up with these jacks 25, 26, and each carriage 23 is removed from under the escalator body 1. Then, the escalator body 1 is lowered onto the floor 5 and the underframe 40 of the lifting device 10 is brought into contact with the upper surface of the floor 5.

  Thereafter, the frame 40 of the lifting device 10 is fastened and fixed to the floor 5 with a plurality of fasteners 28 such as anchor bolts, and the position of the escalator body 1 is determined.

  Next, the hydraulic pump 30 is connected to the lifting jack 14 of the lifting apparatus 10 via an oil supply hose (not shown), and the slide jack 42 is connected via an oil supply hose (not shown). A hydraulic pump 44 is connected.

  Then, the hydraulic pump 30 is driven to supply hydraulic pressure to the jack 14 for lifting. As shown in FIG. 4D, the cylinder members 14a and 14b of the push-up jack 14 are gradually extended according to the supply of the hydraulic pressure, and the beam member 11 moves upward with the hinge pin 13 as a fulcrum by this extension operation. The angle formed with the upper surface of the floor 5 is gradually increased by rotating. Accordingly, the escalator body 1 is also inclined integrally with the beam member 11, and the lower floor side end of the escalator body 1 enters the pit 20 of the floor 5 by this inclination.

  Then, the escalator body 1 is tilted to a predetermined angle by the operation of the jack 14, the support member 4 of the truss 2 is substantially in contact with the inner bottom surface of the pit 20, and the upper edge of the upper floor end of the truss 2 is the upper floor. When the level becomes substantially the same as the upper surface of the floor 33, the operation of the jack 14 is stopped.

  Next, as shown in FIG. 4 (E), the hydraulic pump 44 is driven to supply hydraulic pressure to the sliding jack 42 to reduce it, so that the beam members 11 and 12 are pushed up against the frame 40. The jack 14 and the escalator body 1 are moved horizontally in a direction approaching the beam 37 of the floor 33 on the upper floor. At this time, since the beam member 12 of the lifting device 10 is supported by the slide mechanism 41 including the plurality of rollers 41a with respect to the frame 40, the escalator body 1 can be smoothly moved horizontally.

  Then, when the support member 38 on the upper floor side of the escalator main body 1 is engaged with the beam 37 of the upper floor 33, the movement of the escalator main body 1 is stopped.

  Next, the fastener 9 is pulled out to disconnect the lifting device 10 and the truss 2, and the jack 14 is driven to close the beam member 11 to the beam member 12. The lifting device 10 is removed together with the frame 40 from the lower side of the truss 2 as shown in FIG.

  Thereafter, the support member 38 on the upper floor side of the truss 2 is installed on the beam 37 while adjusting the liner with the jack bolt, and the inner bottom surface of the pit 20 while adjusting the support member 4 on the lower floor side of the truss 2 with the jack bolt. The escalator main body 1 is supported by the beam 37 of the upper floor 33 and the inner bottom of the pit 20 of the lower floor 5.

  In addition, a fastening plate (a boarding / alighting plate) 48 is attached to the opening between the lower edge of the truss 2 and the edge of the pit 20 to close the opening, and further, the fastening projecting from the upper surface of the floor 5 The protruding portion of the anchor bolt as the tool 28 is cut and removed as necessary. Thereby, the installation work of the escalator is completed.

  In such an installation method, as in the case of the first embodiment, it is not necessary to perform a high-place work such as lifting the escalator body 1 with a chain block, a winch, or a crane, and the jacks 14 and 42 are operated on the floor. Therefore, the work can be performed efficiently and at low cost and safely.

  In addition, there is no need for troublesome and time-consuming work such as adding a suspension base such as when using a chain block or winch, or dismantling and repairing a roof or floor of a building such as when using a crane. The escalator can be installed more efficiently and at a low cost and with a less noise in a short construction period.

  In particular, in the case of existing station buildings, elevator installation work can be carried out in all station building buildings, so there is no need to consider the overhead lines of trains, and it is possible to proceed with construction efficiently while trains are in operation. it can.

  Further, in the case of the second embodiment, the lifting device 10 can be removed from the lower side of the escalator body 1, and therefore the space below the escalator body 1 is effective as an installation space for a store or the like, for example. Can be used.

  Needless to say, the present invention is not limited to the case of an existing building, but can be similarly applied to an elevator installed in a building under construction.

Explanatory drawing which shows the 1st step process of the installation method of the escalator which concerns on 1st Embodiment of this invention. Explanatory drawing which similarly shows a 2nd step process. Explanatory drawing which shows the 1st step process of the installation method of the escalator which concerns on 2nd Embodiment of this invention. Explanatory drawing which similarly shows a 2nd step process. Explanatory drawing which similarly shows a 3rd step process.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Escalator main body, 2 ... Truss, 3 ... Railing, 4 ... Bearing member, 5 ... Lower floor, 10 ... Lifting device, 11, 12 ... Beam member, 14 ... Jack for raising, 20 ... Pit, 21 ... Pit cover, 23 ... Bogie, 25, 26 ... Jack, 28 ... Fastener, 30 ... Hydraulic pump, 33 ... Upper floor, 34 ... Standing beam, 37 ... Beam, 38 ... Bearing member, 40 ... Underframe 41 ... Slide mechanism, 42 ... Jack for slide, 44 ... Hydraulic pump.

Claims (7)

  A lifting device is attached to the lower part of the middle part in the longitudinal direction of the escalator body, the escalator body is pulled and arranged at a predetermined position on the floor of the lower floor of the building, the lifting device is fixed to the floor, and the lifting device Drive the device and tilt the escalator body to a predetermined angle so that the lower floor end of the escalator body is at the inner bottom position of the lower floor pit and the upper floor end is at the level of the upper floor. The escalator is characterized in that a support member is provided between the escalator body and the lower floor, and the load of the escalator body is supported by the support member and the inner bottom surface of the pit. Installation method.   The escalator body is an integral assembly integrally assembled in a space on the lower floor of the building, and the lifting device includes a pair of beam members connected to each other so as to be able to expand, and these beams A jack for expanding the member, the one beam member is fixed to the escalator body, and after the escalator body is pulled to a predetermined position on the floor of the lower floor of the building, the other beam member is The elevator installation method according to claim 1, wherein the elevator is fixed to a floor and the jack is driven in this state to incline the escalator body to a predetermined angle.   A lifting device that has a frame and is movable in the horizontal direction with respect to the frame is attached to the lower part of the intermediate portion in the longitudinal direction of the escalator body, and the escalator body is pulled to a predetermined position on the lower floor of the building. The lifting frame is fixed to the floor, and the lifting device is driven to incline the escalator body to a predetermined angle so that the lower floor side end of the escalator is connected to the lower floor pit. The upper floor side of the escalator body is moved by moving the lifting device horizontally with respect to the underframe by aligning the end of the upper floor with the position of the inner floor and the level of the upper floor. Then, the lifting device is removed from the escalator body and the lower floor together with the underframe and removed, and the load of the escalator body is removed from the lower floor. Support with the inner bottom of the pit and the beam on the upper floor Installation method of the escalator to the butterflies.   The escalator body is an integral assembly integrally assembled in a space on the lower floor of the building, and the lifting device includes a pair of beam members connected to each other so as to be able to expand, and these beams A push-up jack for expanding the member, the beam member is supported on the frame so as to be slidable in a horizontal direction, and a slide jack for sliding the beam member in the horizontal direction on the frame is provided. Provided, the one beam member is fixed to the escalator body, and after the escalator body is pulled to a predetermined position on the lower floor of the building, the underframe is fixed to the floor, and in this state, Drive the push-up jack to incline the escalator body to a predetermined angle, and then drive the slide jack to slide the escalator body horizontally to end the upper floor side. Elevator installation method according to claim 3, characterized in that to engage the beams upstairs floor.   It is a lifting apparatus used for the installation method of the escalator of Claim 1, Comprising: A pair of beam member connected so that expansion was possible mutually, and the jack which expands these beam members, Operation | movement of the said jack Lifting device for escalator installation that can tilt the escalator body to a predetermined angle.   A lifting device used in the escalator installation method according to claim 3, comprising a pair of beam members connected to each other so as to be able to expand, and a jack for pushing up the beam members, The beam member is supported on the frame so as to be slidable in the horizontal direction, and the slide frame for sliding the beam member in the horizontal direction is provided on the frame, and the escalator main body is operated by the operation of the push-up jack. An escalator installation lifting device capable of tilting the escalator body to a predetermined angle and sliding the escalator main body by a predetermined distance in the horizontal direction by the operation of the sliding jack.   The lifting device for escalator installation according to claim 6, wherein a slide mechanism including a plurality of rollers for sliding the beam member is provided on the frame.

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