JP2014185012A - Escalator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an escalator in which operation of adjusting the passing position of the lateral direction to a step travel direction so as to move steps smoothly upon installation and maintenance work can be performed easily.SOLUTION: In an escalator which comprises a main frame installed to a building structure, plural steps that include a tread surface for loading passengers, are connected as endless by step chains and are moved cyclically on a forward pass and a backward pass mounted in the main frame, a traveling rail that is supported by the main frame so that rollers mounted rotatably to the steps travel, and skirt guards that are supported by the main frame so as to be along both sides of the steps in the lateral direction to the cyclically-moving direction, provided are a concave part which is mounted as penetrating in the cyclically-moving direction at the end part in the cyclically-moving direction opposite to the step tread surface, and a guide rail which is supported by the main frame so as to extend along the cyclically-moving direction and engage with the concave part.

Description

The present invention relates to an escalator, and more particularly to a guide structure that guides a passing position in a lateral direction with respect to a traveling direction of a step that is circulated and moved.

In an escalator, a step with a step shaft is placed inside a main frame that is built over the upper and lower floors of a building structure, and multiple steps are endless by a step chain attached to the step shaft. Connected to each other. A skirt guard is supported by the main frame on the forward path, and a step guide is supported on the return path by providing a predetermined gap with the step on both sides of the step direction.

The step is moved by the step chain on the traveling rail supported by the main frame, and at this time, the step is also displaced in the lateral direction with respect to the traveling direction and meanders. When the step directly hits the skirt guard and the step guide, noise and failure occur. For this reason, it is known that guide shoes are attached to both lateral ends of the step so that the step does not directly hit the skirt guard and the step guide and the step passing position in the lateral direction is guided. (For example, see Patent Document 1)

JP 2001-146379 A (FIG. 1)

At the time of installation and maintenance work of the escalator shown in Patent Document 1, each of the skirt guards and step guides provided on both sides of the step is adjusted in order to adjust the step passing direction so that the step moves smoothly. It is necessary to adjust the installation position, which takes time.

The present invention has been made to solve such a problem, and at the time of installation and maintenance work, it is easy to adjust the passing position in the lateral direction with respect to the step traveling direction so that the step moves smoothly. The purpose is to obtain an escalator that can be used in the future.

The escalator according to the present invention has a main frame erected on a building structure, and a tread surface on which a passenger is placed, and is connected endlessly by a step chain and provided on the upper side in the main frame and in the main frame A plurality of steps that are circulated and moved by a drive device on a return path provided on the lower side, a traveling rail that is supported by the main frame so that a roller that is rotatably provided at the step travels, and in a direction that is circulated and moved In the escalator having a skirt guard supported by the main frame so as to follow both sides of the step in the lateral direction, the direction of circulation movement to the end of the circulation movement direction opposite to the step tread surface And a guide rail supported by the main frame so as to extend along the direction of circulation and to engage with the recess.

According to the present invention, the step is provided with a recess penetrating in the direction of circulation, and the main frame is provided with a guide rail that extends along the direction of circulation of the step and engages with the recess. Guide rails guide the passing position in the horizontal direction. For this reason, the adjustment of the lateral passage position of the moving step can be easily performed by adjusting the position of only the guide rail.

ADVANTAGE OF THE INVENTION According to this invention, the escalator which can perform the operation | work which adjusts the passage position of a horizontal direction with respect to the advancing direction of a step so that a step can move smoothly at the time of installation and a maintenance work can be obtained.

1 is an overall view of an escalator according to Embodiment 1 of the present invention. It is sectional drawing in the main frame of an escalator by arrow II-II shown in FIG. FIG. 3 is a perspective view of a forward step and a guide rail, as viewed in the direction of arrow III shown in FIG. 1. FIG. 4 is a perspective view of a return path step and a guide rail as viewed in the direction of arrow IV shown in FIG. 1.

Embodiment 1 FIG.
An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an overall view of an escalator according to Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view taken along the line II-II shown in FIG. 1 and inside the main frame of the escalator. FIG. 3 is a perspective view showing a state in which the step is guided by the guide rail in the forward path, as seen in the direction of arrow III shown in FIG. FIG. 4 is a perspective view showing a state in which the step is guided by the guide rail on the return path as seen from the direction of arrow IV shown in FIG.

In FIG. 1, the escalator 1 includes a main frame 7 that extends obliquely between an upper entrance / exit 3a and a lower entrance 3b. The main frame 7 is supported by beams 9 of the building structure at the upper and lower ends thereof. A plurality of steps 5 are provided inside the main frame 7 and are circulated and moved by a driving device 11 provided below the upper entrance 3a. The inner side of the main frame 7 that is long in the upper and lower end direction is divided into upper and lower parts along the longitudinal direction, and an outward path 13 is provided on the upper side where a step 5 for carrying passengers moves, and passengers are provided on the lower side. A return path 15 in which the step 5 that has been carried is moved is provided.

Skirt guards 17 are provided along both sides of step 5 in the direction transverse to the direction of step 5 travel. A balustrade 19 is erected on the upper side of the skirt guard 17 on both sides of the step 5. The skirt guard 17 and the balustrade 19 extend in the longitudinal direction of the main frame 7 and are supported by the main frame 7. A moving handrail 20 that is moved in synchronization with the movement of step 5 is provided on each outer peripheral edge of the balustrade 19.

The structure of step 5 and the structure of circulating movement while guiding step 5 will be described with reference to FIGS. Step 5 includes a bracket 21, a tread plate 23, a rib 25, and a riser 27. One surface of the tread plate 23 is a tread surface 23a on which a passenger is placed. A plate-like rib 25 extending in the lateral direction of the step 5 is provided so as to protrude from one end of the surface on the side opposite to the tread surface 23a in the direction in which the step 5 moves. A concave portion 25a cut out so as to penetrate in the direction in which the step 5 moves is provided at the lateral center of the tip of the rib 25.

A bracket 21 is fixed to the surface of the tread plate 23 opposite to the tread surface 23a. A riser 27 is provided from the end of the tread plate 23 opposite to the rib 25 toward the bracket 21, and the riser 27 and the bracket 21 are fixed. A riser protrusion 28 that protrudes one step further is provided at the lateral center of the tip of the riser 27. The riser protrusion 28 has a recess 28a that is cut out so as to penetrate in the direction in which the step 5 moves. Is provided. Guide shoes 30 as contact members formed in a concave shape are attached to the inner surfaces of the recess 25 a of the rib 25 and the recess 28 a of the riser protrusion 28. The guide shoe 30 is made of a material that is softer than the ribs 25 and the riser protrusions 28. For example, when the material of the rib 25 and the riser protrusion 28 is an aluminum alloy, the guide shoe 30 is manufactured using a resin material.

A drive shaft 32 extending in the lateral direction of Step 5 is provided at one end of the bracket 21 on the side where the rib 25 is provided, and a drive roller 34 is rotatably attached to both ends of the drive shaft 32. A step chain 36 is attached to the drive roller 34. Step 5 is connected endlessly by this step chain 36. Then, the step chain 36 is driven by the driving device 11 so that the step 5 is circulated and moved.

A follower roller 38 is rotatably attached to the other end of the bracket 21. A travel rail 40 is provided at a position corresponding to each of the driving roller 34 and the follower roller 38 of the forward path 13 side step 5 and the drive roller 34 and the follower roller 38 of the return path 15 side step 5. The driving roller 34 and the follower roller 38 move on the traveling rail 40 while rotating, so that the step 5 moves while being guided in the vertical direction by the traveling rail 40.

Mounting plates 42 are fixed to both ends of the main frame 7 in the lateral direction so as to protrude inward of the main frame 7. The mounting plates 42 on both sides protrude so as to face each other, and the respective inner end portions are connected by a lateral member 44. The mounting plate 42 and the lateral member 44 are provided at a plurality of locations in the longitudinal direction of the main frame 7. A traveling rail 40 is fixed to the inner end of each mounting plate 42. Then, the upper side of the horizontal member 44 is the forward path 13, the step 5 for carrying the passenger moves, the lower side of the horizontal member 44 is the return path 15, and the step 5 after carrying the passenger moves. It has become.

On both sides in the lateral direction of step 5 on the outward path 13 side, skirt guards 17 are provided so as to be spaced from both lateral ends of step 5. These skirt guards 17 are provided so as to extend in the longitudinal direction of the main frame 7, and are attached to the attachment plate 42 via attachments 46.

On the forward path 13 and the return path 15, a guide rail 48 made of a strip-shaped plate member is provided so as to extend in the longitudinal direction of the main frame 7 in parallel with the traveling rail 40. The guide rail 48 has a longitudinal direction extending in the longitudinal direction of the main frame 7, and one end portion in the lateral direction is fixed to the guide shoe 30 facing portion of the lateral member 44. In the forward path 13, the other end of the guide rail 48 in the short direction is engaged with the recess 25 a of the rib 25 via the guide shoe 30. In the return path 15, the other end of the guide rail 48 in the short direction is engaged with the recess 28 a of the riser protrusion 28 via the guide shoe 30.

The guide shoe 30 and the guide rail 48 can come into contact with each other in the lateral direction of Step 5. Further, a gap is formed between the inner surface of the guide shoe 30 and the front end surface of the other end of the guide rail 48 in the short direction. In the moving step 5, the guide shoe 30 in the recess 25 a contacts the guide rail 48 in the lateral direction on the forward path 13, and the guide shoe 30 in the recess 28 a contacts the guide rail 48 in the lateral direction on the return path 15. As described above, the step 5 moves while being guided by the guide rail 48 in the lateral passage position.

In the escalator 1 configured as described above, the skirt guard 17 is installed at preset positions on both sides in the lateral direction of Step 5 in the forward path 13 during installation and maintenance work. The guide rail 48 is also fixed to the horizontal member 44 at a preset position. Then, trial run of the escalator 1 is performed, and the step 5 is moved while the guide rail 48 guides the lateral passage position of the step 5.

At this time, when step 5 comes into contact with the skirt guard 17 in the forward path 13 and inconvenience such as noise occurs, the fixing position of the guide rail 48 is adjusted so that the step 5 does not come into contact with the skirt guard 17. In the return path 15, as in the forward path 13, when inconveniences such as noise occur due to the lateral passage position in Step 5, the fixing position of the guide rail 48 is adjusted. Thus, the operation of adjusting the passing position in the lateral direction with respect to the traveling direction of Step 5 so that Step 5 moves smoothly can be easily performed by adjusting only the position at which the guide rail 48 is fixed to the lateral member 44. Yes.

Further, since the guide rail 48 guides the passing position in the lateral direction with respect to the traveling direction of step 5, the lateral load accompanying the meandering of step 5 is applied to the guide rail 48. For this reason, only the guide rail 48 needs to be able to withstand this load, and the skirt guard 17 on both sides of the step 5 and the holding portion of the skirt guard 17 can have a simple structure.

DESCRIPTION OF SYMBOLS 1 Escalator, 5 steps, 7 Main frame, 9 Beam, 11 Drive apparatus, 13 Outward path, 15 Return path, 17 Skirt guard, 21 Bracket, 23 Tread, 23a Tread, 25 Rib, 25a Recess, 27 Riser, 28 Riser protrusion, 28a recess, 30 guide shoe, 34 drive roller, 36 step chain, 38 following roller, 40 travel rail, 48 guide rail

Claims (3)

A main frame erected in the building structure;
A plurality of treads that have passenger treads and are endlessly connected by a step chain, and are circulated and moved by a driving device on a forward path provided on the upper side in the main frame and a return path provided on the lower side in the main frame And the steps
A travel rail supported by the main frame so that a roller rotatably provided in the step travels;
In an escalator comprising: a skirt guard supported by the main frame so as to follow both sides of the step in a direction transverse to the direction of circulation movement,
Having a recess provided penetrating in the direction of circulating movement at the end of the step of circulating in the direction opposite to the tread surface of the step;
An escalator comprising a guide rail that extends along the direction of circulation and is supported by the main frame so as to engage with the recess. The step includes
A tread having the tread;
A rib that is provided to project from one end of the tread plate in the direction in which it is circulated to the side opposite to the tread, and that is provided with the recess at the tip;
A riser provided to protrude from the other end of the tread to the opposite side of the tread so as to close a gap with the adjacent tread, and provided with the recess at the tip.
2. The guide rail according to claim 1, wherein the guide rail engages with the recess provided in the rib in the forward path, and the guide rail engages with the recess provided in the riser in the return path. Escalator. The escalator according to claim 1 or 2, wherein a contact member made of a material softer than the step is fixed to a portion of the concave portion that contacts the guide rail.

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