JP2023072227A - Passenger conveyor and renewal method of the same - Google Patents

Abstract

To provide a passenger conveyor which can extend a hooking margin of a main frame to a building and increase intensity that restricts movement of the main frame to the width direction of the main frame with a simple configuration, and a renewal method of the same.SOLUTION: A pair of extension bodies 12 is fixed on an upper support angle 7. Each extension body 12 has a projection part 12b. Each projection part 12b extends a hooking margin of a main frame 1 to an upper floor building beam 4. A regulating body 13 is fixed to the upper floor building beam 4 between the pair of extension bodies 12. The regulating body 13 restricts movement of the main frame 1 to the width direction of the main frame 1 by the pair of extension bodies 12 abutting thereon.SELECTED DRAWING: Figure 7

Description

The present disclosure relates to a passenger conveyor and its renewal method.

In conventional passenger conveyors, support angles are provided at the ends of the main frame. The support angles rest on the building structure. A support reinforcement member is fixed on the support angle. The support reinforcement member has a connecting portion, a building-side extension, and a main frame-side extension. The connection is fixed to the support angle. The building-side extension extends from the connection along the floor of the building structure. The main frame side extension part extends from the connection part along the upper surface of the main frame (see, for example, Patent Document 1).

Japanese Patent No. 6743984

In the conventional passenger conveyor as described above, although the supporting reinforcing member extends the amount of engagement of the supporting angle with the building structure, it is not possible to increase the strength for restricting the movement of the main frame in the width direction of the main frame. Can not.

The present disclosure has been made in order to solve the above-described problems, and with a simple configuration, the main frame can be moved in the width direction while extending the allowance for the main frame to be attached to the building. To obtain a passenger conveyor and its renewal method capable of increasing the strength of restriction.

A passenger conveyor according to the present disclosure is supported by a main frame constructed between a first floor and a second floor in a building, and is supported by the main frame, and conveys passengers by circulating. and a regulating body for regulating movement of the main frame in the width direction of the main frame. and a pair of extensions spaced apart from each other across the width of the main frame and fixed on the support angles, each extension being fixed on the support angles. and a protruding portion protruding from the base to the opposite side of the frame body and extending the engagement margin of the main frame with respect to the first floor. It is fixed to the first floor between the bodies, and the movement of the main frame in the width direction is restricted by contact with the pair of extensions.

According to the passenger conveyor and the renewal method thereof of the present disclosure, it is possible to increase the strength for restricting the movement of the main frame in the width direction while extending the allowance of the main frame to the building with a simple configuration. can.

1 is a schematic configuration diagram showing an existing escalator; FIG. It is a perspective view which expands and shows the II section of FIG. FIG. 3 is a perspective view showing a state in the middle of renewal of the main frame of FIG. 2 ; FIG. 4 is a plan view showing a hook portion of FIG. 3; FIG. 4 is a perspective view showing a step subsequent to the steps shown in FIG. 3; FIG. 6 is a plan view showing the hook and a pair of extensions of FIG. 5; FIG. 6 is a perspective view showing a step subsequent to the step shown in FIG. 5; FIG. 8 is an enlarged perspective view showing the restrictor of FIG. 7; FIG. 8 is a plan view showing a hook, a pair of extension bodies, and a restrictor in FIG. 7; FIG. 8 is a perspective view showing a step subsequent to the steps shown in FIG. 7; FIG. 4 is a process chart showing the renewal method of the escalator of Embodiment 1; FIG. 8 is a cross-sectional view of the main frame of FIG. 7; FIG. 13 is a cross-sectional view showing a state in which the interval d1 in FIG. 12 is zero; FIG. 14 is a plan view showing the hooking portion, the pair of extension bodies, and the restrictor of FIG. 13; FIG. 13 is a cross-sectional view showing a state in which the distance d1 in FIG. 12 is enlarged; FIG. 16 is a plan view showing the hooking portion, the pair of extension bodies, and the restrictor of FIG. 15;

Embodiments will be described below with reference to the drawings.
Embodiment 1.
FIG. 1 is a schematic configuration diagram showing an existing escalator, showing a state before renewal. In FIG. 1, an existing escalator has a main frame 1, a carrier 2, and a pair of balustrades 3. As shown in FIG.

The main frame 1 is constructed between an upper floor building beam 4 that is the first floor and a lower floor building beam 5 that is the second floor. The main frame 1 also has a frame body 6 , upper support angles 7 and lower support angles 8 . The frame body 6 has a truss structure.

The upper support angle 7 is fixed to the upper floor side end of the frame body 6 in the longitudinal direction of the frame body 6 . Also, the upper support angle 7 is hung on the upper building beam 4 . The longitudinal direction of the frame main body 6 is the direction along the escalator transport route for passengers, and the direction along the straight line connecting the upper floor building beam 4 and the lower floor building beam 5 .

The lower support angle 8 is fixed to the lower floor side end of the frame body 6 in the longitudinal direction of the frame body 6 . Also, the lower support angles 8 are hung on the lower floor building beams 5 .

A carrier 2 is supported by the main frame 1 . Further, the transport body 2 transports passengers by circulating. Further, the conveying body 2 is configured by connecting a plurality of steps 2a in an endless manner. In FIG. 1, only three steps 2a are shown.

A pair of balustrades 3 are erected on a frame body 6. - 特許庁Also, the pair of balustrades 3 are arranged at intervals in the width direction of the main frame 1 . The width direction of the main frame 1 is horizontal and perpendicular to the direction in which passengers are conveyed, and parallel to the Y-axis in FIG. In FIG. 1 only one of the pair of balustrades 3 is shown.

FIG. 2 is a perspective view showing an enlarged portion II of FIG. 1. FIG. The cross-sectional shape of the upper support angle 7 is L-shaped. The upper support angle 7 has a fixed portion 7a and a hook portion 7b. The fixing portion 7a is fixed to the frame main body 6. As shown in FIG. The hook portion 7b protrudes from the fixing portion 7a to the side opposite to the frame main body 6 at right angles to the fixing portion 7a. Further, the hook portion 7b is in contact with the upper surface of the upper floor building beam 4. As shown in FIG.

A pair of clamps 9 are fixed to the upper surface of the upper floor building beam 4. - 特許庁The cross-sectional shape of each clasp 9 is L-shaped. The catch portion 7b is arranged between a pair of catches 9. As shown in FIG. Thereby, the pair of stoppers 9 restricts the movement of the main frame 1 in the width direction of the main frame 1 .

FIG. 3 is a perspective view showing a state in the middle of renewal of the main frame 1 of FIG. In the renewal method of Embodiment 1, the finishing materials and floorboards are removed from the upper floor to expose the upper support angles 7 . A notch 11 is provided in the hook portion 7b.

The shape of the notch 11 seen from directly above is rectangular. Moreover, the notch 11 is opened at the end surface of the hook portion 7b on the side opposite to the frame main body 6 .

The edge of the notch 11 in the hook portion 7b has a pair of opposing portions 11a and a deep portion 11b. The pair of opposing portions 11a are formed toward the frame body 6 from the end surface of the hook portion 7b opposite to the frame body 6 and face each other. The inner part 11b is formed along the width direction of the main frame 1 at a position spaced apart from the frame body 6 .

4 is a plan view showing the hook portion 7b of FIG. 3. FIG. The notch 11 is provided by providing a plurality of holes in the hook portion 7b from right above the hook portion 7b using a tool (not shown) such as a drill. In this case, the pair of facing portions 11a and the inner portion 11b are left with traces of processing, but are not subjected to the finishing process to make them flat, and the traces of processing are allowed to remain. Note that traces of processing are omitted in FIG.

FIG. 5 is a perspective view showing a step subsequent to the steps shown in FIG. A pair of extensions 12 are fixed to the upper support angle 7 after the notch 11 is provided in the hook portion 7b. A pair of extensions 12 are spaced apart from each other in the width direction of the main frame 1 and fixed on the upper support angles 7 .

Each extension 12 has a base 12a and a protrusion 12b. Each base 12a is fixed on the upper support angle 7, for example by welding or bolting. That is, each base portion 12a is fixed to the hook portion 7b.

Each protruding portion 12b protrudes from the corresponding base portion 12a to the side opposite to the frame main body 6. As shown in FIG. As a result, each protruding portion 12b extends the engagement allowance of the main frame 1 with respect to the upper floor building beam 4. As shown in FIG.

The thickness dimension of each projecting portion 12b is larger than the thickness dimension of each base portion 12a by the thickness dimension of the hook portion 7b. Thereby, the lower surface of each projecting portion 12b is in contact with the upper floor building beam 4. As shown in FIG. The thickness dimension of each protruding portion 12b, the thickness dimension of each base portion 12a, and the thickness dimension of the hook portion 7b are the dimensions in the vertical direction, ie, the direction parallel to the Z-axis in FIG.

FIG. 6 is a plan view showing the hook portion 7b and the pair of extension bodies 12 of FIG. The pair of facing portions 11a are covered with a pair of extensions 12 when viewed from directly above. As a result, the machining marks left on the pair of facing portions 11a are not exposed outside the pair of extension bodies 12 but are hidden under the pair of extension bodies 12 when viewed from directly above.

FIG. 7 is a perspective view showing a step subsequent to the steps shown in FIG. After the pair of extensions 12 are fixed on the upper support angles 7 , a restrictor 13 is fixed to the upper floor building beam 4 between the pair of extensions 12 . The restricting body 13 restricts the movement of the main frame 1 in the width direction of the main frame 1 by contacting with the pair of extension bodies 12 .

The regulating body 13 may be installed in contact with the pair of extension bodies 12 or may be installed with a gap between the pair of extension bodies 12 .

FIG. 8 is an enlarged perspective view of the restrictor 13 of FIG. The restricting body 13 has a leg portion 13a and a pair of arms 13b. The legs 13a are fixed to the upper floor building beams 4 by, for example, welding or bolting. The pair of arms 13b horizontally protrude toward the frame body 6 from the leg portions 13a.

When the main frame 1 receives force in the width direction of the main frame 1 , the movement of the main frame 1 in the width direction of the main frame 1 is restrained by the pair of stoppers 9 and the regulating body 13 .

Each arm 13b is spaced from the upper surface of the upper floor building beam 4. As shown in FIG. In addition, the lower surface of each arm 13b is located above the upper surface of the hook portion 7b.

9 is a plan view showing the hooking portion 7b, the pair of extension bodies 12, and the restricting body 13 of FIG. At least part of the regulation body 13 is arranged inside the notch 11 when viewed from directly above. Further, the regulation body 13 is arranged with a gap from the inner part 11b.

FIG. 10 is a perspective view showing a step subsequent to the steps shown in FIG. After the regulation body 13 is fixed to the upper floor building beam 4, the floor plate 14 is installed on the upper floor building beam 4. - 特許庁The hook portion 7b, the pair of extension bodies 12, and the regulation body 13 are covered with a floor board 14. As shown in FIG. After that, finishing material is backfilled around the floor board 14, and the renewal work is completed.

The escalator renewal method of Embodiment 1 includes, as shown in FIG. 11, a notch processing step S1, an extension body installation step S2, a regulator installation step S3, and a finishing step S4. The notch processing step S1 is a step of providing a notch 11 in the hook portion 7b. The extension body installation step S2 is a process of fixing the pair of extension bodies 12 onto the hook portion 7b.

The regulation body installation step S3 is a process of fixing the regulation body 13 to the upper floor building beam 4 between the pair of extension bodies 12 . At this time, at least part of the regulation body 13 is arranged inside the notch 11 . The finishing step S4 is a step of fixing the floorboards 14 onto the upper building beams 4 and backfilling with finishing materials.

The main frame 1 after renewal work has a frame body 6 , an upper support angle 7 , a lower support angle 8 , and a pair of extensions 12 .

FIG. 12 is a cross-sectional view of the main frame 1 of FIG. 7, showing a cross section parallel to the XZ plane at the center of the main frame 1 in the width direction. At the time of completion of the renewal work, a space d1 is secured between the fixed portion 7a and the building. Also, the engagement allowance of the main frame 1 with respect to the upper floor construction beam 4 is extended by L1.

FIG. 13 is a cross-sectional view showing a state in which the distance d1 in FIG. 12 is zero. 14 is a plan view showing the hooking portion 7b, the pair of extension bodies 12, and the restricting body 13 of FIG. 13. FIG. For example, due to interlayer displacement during an earthquake, the fixed portion 7a may hit the building, and the distance d1 in FIG. 12 may become zero.

In this case, a gap g1 is secured between the upper support angle 7 and the restricting body 13, that is, between the leg portion 13a and the inner portion 11b, as shown in FIG.

FIG. 15 is a cross-sectional view showing a state in which the distance d1 in FIG. 12 is enlarged. 16 is a plan view showing the hook portion 7b, the pair of extension bodies 12, and the restrictor 13 of FIG. 15. FIG. For example, due to interlayer displacement during an earthquake, the building may be separated from the fixed portion 7a, and the distance d1 in FIG. 12 may be expanded to the distance d2.

In this case, as shown in FIG. 15, the pair of extension bodies 12 secures the hooking allowance of the main frame 1 to the upper floor building beam 4 . Further, as shown in FIG. 16 , the restricting body 13 and the pair of extension bodies 12 are overlapped by a dimension L2 in the longitudinal direction of the main frame 1 . Thereby, movement of the main frame 1 in the width direction of the main frame 1 is restricted.

In such an escalator a pair of extensions 12 are fixed on the upper support angles 7 . Each extension 12 has a protrusion 12b. Each projecting portion 12b extends the engagement allowance of the main frame 1 with respect to the upper floor building beam 4. - 特許庁The regulation body 13 is fixed to the upper floor building beam 4 between the pair of extension bodies 12 . The restricting body 13 restricts the movement of the main frame 1 in the width direction of the main frame 1 by contacting with the pair of extension bodies 12 .

Therefore, with a simple configuration, it is possible to increase the strength for restricting the movement of the main frame 1 in the width direction while extending the margin of engagement of the main frame 1 with the building.

In addition, the renewal work can be performed within the range of the upper support angle 7 in the width direction of the main frame 1, and the work area can be reduced. As a result, it is possible to reduce the area where the floor of the building is scraped, reduce labor for scraping and backfilling, and shorten the construction period. In addition, it is not necessary to expose the pair of stoppers 9 already installed, which also shortens the construction period.

A notch 11 is provided in the hook portion 7b. At least part of the regulation body 13 is arranged inside the notch 11 . The regulating body 13 is arranged with an interval with respect to the inner part 11b.

Therefore, it is possible to restrict the movement of the main frame 1 in the width direction of the main frame 1 with a compact configuration. Further, even if the building is displaced between floors, the regulation body 13 is prevented from colliding with the upper support angle 7 . As a result, the strength of the regulation body 13 itself and the strength of fixing the regulation body 13 to the upper building beam 4 can be reduced.

Also, the pair of facing portions 11a are covered with a pair of extension bodies 12 when viewed from directly above. Therefore, after the notch 11 is provided in the hooking portion 7b, the machining marks can be left as they are, and the construction period can be shortened.

Further, the renewal method of Embodiment 1 includes the step of providing the notch 11 in the hook portion 7b, the step of fixing the pair of extension bodies 12 on the hook portion 7b, and the upper floor building beam 4 between the pair of extension bodies 12. includes a step of fixing the regulating body 13 to the . At least part of the regulation body 13 is arranged inside the notch 11 .

Therefore, with a simple configuration, it is possible to increase the strength for restricting the movement of the main frame 1 in the width direction while extending the margin of engagement of the main frame 1 with the building.

In addition, the renewal work can be performed within the range of the upper support angle 7 in the width direction of the main frame 1, and the work area can be reduced.

In addition, it is possible to temporarily hand over to the customer at the stage before the finishing material is backfilled, and the process can be set up according to the convenience of the customer.

The notch 11 is provided by drilling a plurality of holes in the hooking portion 7b from directly above the hooking portion 7b. Therefore, the notch 11 can be easily provided in the existing upper support angle 7 .

In addition, in the step of fixing the pair of extension bodies 12 onto the hook part 7b, the pair of facing parts 11a are covered with the pair of extension bodies 12 when viewed from directly above. For this reason, it is possible to leave traces of drilling as they are, and to shorten the construction period.

Note that the pair of extension bodies 12 may be connected and integrated with each other. Alternatively, the pair of extension bodies 12 may be configured as one component.

Also, the lower support angle 8 may be renewed in the same manner as in the first embodiment.

Moreover, the tool for providing the notch 11 in the hooking portion 7b is not limited to a drill.

Also, the passenger conveyor is not limited to an escalator and may be, for example, a moving walkway. Also, the moving walkway may be horizontal or inclined. Also, the carrier may be of the belt conveyor type.

REFERENCE SIGNS LIST 1 main frame 2 carrier 4 upper floor building beam (first floor) 5 lower floor building beam (second floor) 6 frame main body 7 upper support angle 7a fixing part 7b hanging part 11 Notch, 11a facing portion, 11b deep portion, 12 extension body, 12a base portion, 12b projection portion, 13 regulating body.

Claims (6)

A main frame installed between a first floor and a second floor in a building;
a conveying body that is supported by the main frame and conveys passengers by circulating and moving; and a restricting body that restricts movement of the main frame in the width direction of the main frame,
The main frame is
a frame body provided with the carrier;
a support angle fixed to an end of the frame body and hung on the first floor;
a pair of extensions spaced apart from each other across the width of the main frame and fixed on the support angles;
each said extension,
a base fixed on the support angle;
a protruding portion protruding from the base portion in a direction opposite to the frame main body and extending an engagement margin of the main frame with respect to the first floor portion,
The restriction body is fixed to the first floor portion between the pair of extension bodies, and is a passenger conveyor that restricts movement of the main frame in the width direction by contact with the pair of extension bodies. The support angle is
a fixing portion fixed to the frame main body;
a hanging portion protruding from the fixed portion to the side opposite to the frame body and in contact with the first floor;
The hook portion is provided with a notch,
The notch opens to an end surface of the hook portion opposite to the frame main body,
The edge portion of the notch in the hook portion has a pair of facing portions facing each other and a deep portion formed along the width direction of the main frame,
At least part of the regulator is arranged inside the notch,
2. The passenger conveyor according to claim 1, wherein said restricting body is spaced apart from said inner part. 3. The passenger conveyor according to claim 2, wherein said pair of opposing portions are covered by said pair of extensions when viewed from directly above. A step of providing a notch in the hanging portion of the main frame that is hung on the floor of the building;
a step of fixing a pair of extensions on the hooking portion for extending a hooking margin of the main frame with respect to the floor; fixing a regulating body that regulates movement to the floor between the pair of extensions;
A renewal method for a passenger conveyor, wherein at least part of the regulation body is arranged inside the notch. 5. The method of renewing a passenger conveyor according to claim 4, wherein the notches are formed by drilling a plurality of holes in the hooking portion from directly above the hooking portion using a drill. The edge portion of the notch in the hook portion has a pair of facing portions facing each other and a deep portion formed along the width direction of the main frame,
6. The passenger conveyor renewal method according to claim 5, wherein in the step of fixing the pair of extensions onto the hooks, the pair of opposing portions are covered by the pair of extensions when viewed from directly above.

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