JP6362997B2 - Renewal method of passenger conveyor - Google Patents

Description

  The present invention relates to a renewal method for a passenger conveyor that improves seismic resistance.

  In the passenger conveyor, generally, the gap dimension in the frame longitudinal direction between the frame end portion and the building support beam collides with the beam when the frame moves in the longitudinal direction, In order to prevent the frame itself from receiving a reaction force in the opposite direction due to this collision, the magnitude of seismic motion, etc., the displacement of the seismic isolation floor accompanying the magnitude, and the assumed interlayer displacement between the upper and lower floors The allowable movement value considering the angle is set in advance. On the other hand, as shown in, for example, Patent Document 1, the clearance between the frame side receiving beam provided at the frame end and the building receiving material is a gap in the longitudinal direction between the frame end portion and the building receiving material. It is set to have at least twice the size.

JP 2001-158585 A

  By the way, the importance of seismic resistance of passenger conveyors was recognized in the wake of the recent large earthquake, and the renewal to improve the seismic resistance by extending the hanging margin between the frame side receiving beam and the building receiving material in the existing passenger conveyor Sometimes required. However, conventionally, no particular consideration has been given to a method for extending the hanging margin between the frame-side receiving beam and the building receiving material in the existing passenger conveyor, and when the entire passenger conveyor is renewed, the frame-side receiving beam and the building receiving material are The current situation is to install a new passenger conveyor that extends the cost of the connection, and there has been a problem that a large-scale construction and a long construction period are required.

  The present invention has been made from the above-described prior art, and an object thereof is to provide a renewal method for a passenger conveyor that can extend the hanging margin between a frame-side receiving beam and a building receiving beam relatively easily. There is to do.

To achieve the above object, the present invention provides, for example, a frame suspended between one floor and the other floor of a building structure, and a frame side provided at both end portions in the longitudinal direction of the frame. and a receiving beam in renewal method for a passenger conveyor, wherein the frame-side receiving beam is placed on the provided architectural receiving beam member to each of the the one of the floor and the other floor, the frame-side receiving beam Is L-shaped, and the frame side receiving beam is fixed to the frame with one of the L-shaped vertical, and by extending an extension plate to the other end of the L shape to the frame side receiving beam , the frame-side receiving beam in the longitudinal direction of the frame, when you extended me that inherit been coercive the height of the upper surface of the extension plate in the same manner as before renewed at the height of the frame together, wherein the one floor Out of the other floor The side of the floor provided with an extension member scraping retained its depth the same, characterized in that securing a space for placing the frame-side receiving beam provided with the extension member.

  According to the present invention, by attaching an extension member for extending the frame side receiving beam in the longitudinal direction of the frame to the frame side receiving beam, it is possible to relatively easily make a hanging margin between the frame side receiving beam and the building receiving beam material. It is possible to improve the earthquake resistance of the passenger conveyor at low cost and in a short construction period by extending the space and securing a space for placing the frame-side receiving beam provided with the extending member by cutting the floor.

It is a schematic block diagram of the escalator to which this invention is applied. It is principal part sectional drawing of the frame side receiving beam before an extension plate is attached. It is a top view of the frame side receiving beam before an extension plate is attached. It is a principal part sectional view of a frame side receiving beam which showed a 1st embodiment of the present invention and to which an extension plate was attached. It is a top view of the frame side receiving beam to which the extension plate in 1st Embodiment was attached. It is principal part sectional drawing which shows the shaving area | region of the upper floor in 1st Embodiment. It is a top view which shows the cutting area | region of the upper floor in 1st Embodiment. It is a side view which shows the example which fixed the extension plate with the volt | bolt. It is a side view which shows the example which welded the extension plate. It is a top view which shows the 2nd Embodiment of this invention and shows the cutting area | region of an upper floor. It is a top view of the frame side receiving beam to which the extension plate in 2nd Embodiment was attached.

  Embodiments of the present invention will be described with reference to the drawings. In each drawing and each embodiment, the same or similar components are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 1, the passenger conveyor, for example, the escalator 1 is constructed between a floor of a building structure, for example, an upper floor 2 and a lower floor 3, and is located on the upper floor 2 side. 4a, a frame 4 having a lower horizontal part 4b located on the lower floor 3 side, and an inclined part 4c formed between the upper horizontal part 4a and the lower horizontal part 4b (when called a main frame, a main body frame, etc.) The upper horizontal side 4a is provided with an upper frame side receiving beam 5 placed on the building receiving beam 2a of the upper floor 2 and at the end of the lower horizontal portion 4b. The lower frame side receiving beam 6 placed on the building receiving beam material 3a of the lower floor 3 is provided in the part.

  As shown in FIGS. 2 and 3, the upper frame side receiving beam 5 in the existing passenger conveyor before renewal is placed on the building receiving material 2 a, and the upper frame side receiving beam 5 and the building receiving beam material. The hanging margin with 2a is W1, and a predetermined gap dimension W2 is formed between the horizontal end of the upper frame side receiving beam 5 and the upper floor 2 end. In FIG. 2, for the sake of convenience, the height adjusting bispi (gap material) interposed between the upper frame side receiving beam 5 and the building receiving beam material 2a is omitted.

  Next, a renewal method for improving the earthquake resistance in the escalator 1 configured as described above will be described. In the escalator 1 configured as described above, the first embodiment is devised in order to extend the hanging margin between the frame-side receiving beams 5 and 6 and the building receiving beams 2a and 3a relatively easily. ing. Specifically, as shown in FIGS. 4 and 5, the upper frame side receiving beam 5 is extended in the frame longitudinal direction as an extension member for extending the length of the upper frame side receiving beam 5 in the frame longitudinal direction. An extension plate 7 is attached. In the first embodiment, the upper frame side receiving beam 5 side is described as an example, but the lower frame side receiving beam 6 side may have the same configuration.

  In the first embodiment, as shown in FIGS. 4 and 5, an extension plate 7 that extends the upper truss receiving beam 5 in the frame longitudinal direction as an extending member is attached to the upper frame side receiving beam 5. The hanging margin between the upper frame side receiving beam 5 and the building receiving material 2a is set to W3 which is longer than W1 to improve the earthquake resistance. That is, the conventional hanging allowance is W1 as described above, but W4 which is the longitudinal dimension of the extension plate 7 is extended to this, and the hanging allowance becomes W3 to improve the earthquake resistance. At this time, as shown in FIG. 2 and FIG. 3, in the gap dimension W2 formed in advance between the horizontal end portion of the upper frame side receiving beam 5 and the upper floor 2 end portion, the upper portion to which the extension plate 7 is attached. When the frame-side receiving beam 5 cannot be accommodated, as shown in the shaded area A (shaving area) in FIGS. 6 and 7, the upper floor 2 is shaved in advance by a predetermined frame longitudinal dimension W5, and the extension plate 7 is attached. A space for placing the upper frame side receiving beam 5 is secured (formed).

  The extension plate 7 is attached to the upper frame side receiving beam 5 as shown in FIG. 8, and is fixed to the upper frame side receiving beam 5 with bolts 8, or as shown in FIG. A welded portion 9 is provided and fixed to the beam 5 by welding or the like, and the extension plate 7 is firmly fixed to the upper frame side receiving beam 5 so as to ensure a necessary strength.

  According to the first embodiment, the frame-side receiving beams 5 and 6 are attached to the frame-side receiving beams 5 and 6 by an extension member that extends the frame-side receiving beams 5 and 6 in the frame longitudinal direction, for example, the extension plate 7. The frame-side receiving beams 5 and 6 provided with extending members are extended by extending the hanging margin between the frame-side receiving beams 5 and 6 and the building receiving beams 2a and 3a and by cutting the floor 2 in a predetermined frame longitudinal dimension. By securing the space to be placed, the earthquake resistance of the passenger conveyor can be improved at a low cost and in a short construction period.

  Here, a second embodiment of the passenger conveyor device according to the present invention will be described with reference to FIGS. 10 and 11.

  The main difference between the second embodiment and the first embodiment described above is the attachment region of the extension plate 70 and the shaving region (shaded portion B) of the upper floor 2. In the second embodiment, as shown in FIGS. 10 and 11, a part of the upper frame side receiving beam 5 in the frame short direction (width direction), for example, both ends of the upper frame side receiving beam 5 in the frame short direction. An extension plate 70 is attached to the part as an extension member. Then, as in the shaving area indicated by the hatched portion B in FIG. 10, a part of the upper floor 2 is shaved to secure (form) a space for placing the upper frame side receiving beam 5 to which the extension plate 70 is attached.

  According to the second embodiment, the extension plate 70 and the upper floor 2 are provided with a part of the shaving area instead of the entire frame in the lateral direction, thereby extending the extension plate 70 from that shown in the first embodiment. It is possible to narrow the cutting area of the upper floor 2 to be mounted to reduce the amount of processing work on the building structure side, increase the mediocrity of the device, and shorten the construction period. .

  As mentioned above, although the Example of this invention has been described, the structure demonstrated by each Example so far is an example to the last, and this invention can be suitably changed within the range which does not deviate from a technical idea. Further, the configurations described in the respective embodiments may be used in combination as long as they do not contradict each other.

  For example, although an escalator has been described as an example of a passenger conveyor, it may be applied to a moving sidewalk as another example of a passenger conveyor. Further, although an extension plate (for example, flat steel) has been described as an example of the extension member, a mold steel such as L-shaped steel may be used as another example of the extension member.

DESCRIPTION OF SYMBOLS 1 Escalator 2 Upper floor 2a Building receiving material 3 Lower floor 3a Building receiving material 4 Frame 5 Upper frame side receiving beam 6 Lower frame side receiving beam 7, 70 Extension plate 8 Bolt 9 Welding part

Claims (4)

A frame suspended between one floor and the other floor of the building structure; and frame-side receiving beams provided at both end portions in the longitudinal direction of the frame, the one floor and the other In the renewal method of the passenger conveyor in which the frame side receiving beam is placed on the building receiving material provided on each of the floors of
The frame-side receiving beam is L-shaped, and the frame-side receiving beam is fixed to the frame with one of the vertical L-shapes.
By connecting an extension plate to the other end of the L-shape on the frame side receiving beam, the frame side receiving beam is set in the longitudinal direction of the frame, and the height of the upper surface of the extended extension plate is set to the height of the frame. both If you extended it coercive the same as before renewal in is among the the one of the floor and the other floor, cutting by keeping the side of the floor provided with the extension member in the same its depth, the A method for renewing a passenger conveyor, wherein a space for placing the frame-side receiving beam provided with an extension member is secured.   The renewal method for a passenger conveyor according to claim 1, wherein the extension member is attached to a part of the frame side receiving beam in the short direction of the frame.   The method for renewing a passenger conveyor according to claim 2, wherein a part of the frame in the short direction is cut on the floor on the side where the extension member is provided. The method for renewing a passenger conveyor according to claim 1 , wherein the extension member is an extension plate, and the extension plate is welded to the frame-side receiving beam .