JPH0286590A - Passenger conveyor - Google Patents

Abstract

PURPOSE:To change a vertical tilt angle and a crosswise turning radius optionally in the point midway in a route and thereby make the route settable by making a driving force application power shaft guide rail and a step support shaft guide rail into each separate entity. CONSTITUTION:A step 5 consisting of a circular arc of the same radius in both front and rear edges is adopted, supporting it with a three-dimensional parallel rink, and it is turnably supported by a swing bearing 13, connected by linkage, and rollers 18, 19 of a driving force application power shaft 11 and a step support shaft 14 are guided by separate rails 25, 21, 22. With this constitution, a conveyor passage is guidable freely in both vertical and horizon tal directions, and with this guidance, the step 5 is always held at the upper side of the conveyor passage, providing for use of lifting passengers.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a passenger conveyor that can be raised and lowered.

[Conventional technology]

FIG. 11 is a plan view of a conventional passenger conveyor that moves up and down, and FIG. 12 is a side view of the same conveyor. In the figure,
1a is the lower floor, LC is the upper floor, 2 is the main frame, 3a
is the side wall, 3b is the handrail, 4c is the entrance, 4d is the exit, 5
are the individual steps that transport passengers on their upper surface. The step is circularly driven with the heel ratio reversed from the upper side to the lower side at the end.

FIG. 13 is a three-sided view of step 5 above, and the same figure (a)
1 is a plan view, FIG. 5B is a front view, and FIG. 1C is a side view. In this conventional passenger conveyor, once the shape of the step is determined, the curvature of the passenger conveyance path is determined to be a constant value. Furthermore, although not shown in the drawings, once the mounting angle of the step is determined, the elevation angle is also determined to be a constant value.

[Problem to be solved by the invention]

In conventional passenger conveyors, once the shape of the step and its mounting angle are determined, the turning radius of curvature and the elevation angle are determined to be constant values. For this reason, it has been impossible to set a passenger transport route that combines straight lines and curved lines, various elevation angles, and various curvature radii.

In addition, each step is located at the top of the conveyor path when conveying passengers, but at the end of the conveyor, it is reversed to the lower side of the conveyor path, and then at the other end, it is reversed again to the upper side to carry passengers. Provided for transportation.

In such a reversible circulation drive system, the step moving on the lower side is not used for passenger transport, resulting in wasted movement.The present invention solves the drawbacks of the prior art, It is possible to set a passenger conveyance path that combines parts with a lifting angle and a part with an arbitrary turning radius, and by holding the step above the conveyance path and moving it in circulation, the step can be constantly used for passenger conveyance. The purpose is to provide a passenger conveyor that can be used for various purposes.

[Means to solve the problem]

The present invention has solved the above-mentioned problem, and consists of connecting a plurality of step structures having steps for transporting passengers in an endless manner, driving them along an endless guide rail, and carrying passengers on the upper surface of the step. In the passenger conveyor for conveying a passenger, the step has a planar shape in which the front and rear edges thereof are arcs of the same radius, and the step structure has a structure for raising and lowering the step between the driving force applying shaft and the step, which is a part of the step structure. A three-dimensional parallel link is provided, and a swing bearing is provided between the driving force applying shaft and the parallel link to rotate the parallel link around the axis of the driving force applying axis, and the step structure is During horizontal driving, the front and rear edges of adjacent steps are connected by connecting links at close intervals, and the guide rail has a step support different from the drive shaft guide rail so as to guide the step structure in any direction up, down, left, or right. A passenger conveyor comprising: a shaft guide rail;

[Effect]

In the passenger conveyor of the present invention, since the step structure is provided with a three-dimensional parallel link mechanism, the step can be moved while being held horizontally in accordance with the rise and fall of the guide rail at an arbitrary inclination angle. The leading and trailing edges of the step are made of circular arcs with the same radius, and the step can rotate around the driving force application axis together with the parallel link mechanism that supports it, so it can be turned by a guide rail with an arbitrary turning radius. Step structures with these functions are connected endlessly by connecting links so that the opposing front and rear edges of adjacent steps are appropriately spaced apart, so they can move as one to transport passengers. . Since the drive force application shaft guide rail and the step support shaft guide rail are separate, the route can be set by arbitrarily changing the vertical inclination angle and left/right turning radius in the middle of the route. Further, in the passenger conveyor of the present invention, the step structure can be guided in any direction up, down, left, right, and so on, so the passenger conveyance path can be set so that the step is always held above the step structure and used for raising and lowering passengers. Can be done.

〔Example〕

FIG. 1 shows an external view of an embodiment of the passenger conveyor of the present invention, and FIG. 2 shows a plan view of the same embodiment. In the figure, la is the lower floor, 1b is the middle floor, IC is the upper floor, and 2 is the main frame formed in an endless shape by combining some straight lines and curved lines in the horizontal projection plane. This is the part that supports the structure. 3a is a side wall provided on the upper side of the main frame, 3b is a handrail provided on the same side wall, 4a is a boarding area, 4b is a moving walkway for assisting boarding and alighting, and 5 is an endless connection on the main frame. This is a step for transporting passengers that forms part of a moving step structure. The moving walkway 4b for assisting passengers getting on and off is similar to a conventional escalator operated horizontally, and the walkway section is reversed from the upper side, moved to the lower side, and then reversed again from the lower side to expose the upper side. The upper part of the walkway is adjacent to and runs in the same direction and at the same speed as the passenger transport step 5 to facilitate the boarding and disembarkation of passengers onto the step 5. Unlike conventional escalators, step 5, which transports visitors, does not flip downwards.
It is operated in circulation on the endless main frame 2 as a conveyance path while always maintaining the upper position, and the rice-eating passengers are transferred from the moving walkway. The details of this step will be described later, but the direction can be changed in any direction, up, down, left, or right along a guide path provided within the main frame. Since the degree of freedom in changing the direction of the steps is large, the main frame can be laid in an endless manner by appropriately combining straight lines and curved lines and changing the direction vertically or horizontally, as shown in FIG. UP and DN in FIG. 2 indicate an upward slope portion and a downward slope portion, respectively.

FIG. 3 is a plan view of the step structure in a connected state in the above embodiment, and FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3. FIG. 3 shows three steps, and FIG. 4 shows the connected state of the three step structures. In the figure,
5 is a step, 6 is a step structure including the step,
7 is a drive sprocket, 8 is an idle sprocket, 9 is a drive link that is connected endlessly across the drive sprocket and the idle sprocket and driven, and 1o is a connecting link that connects the adjacent up step structures 6. be. The step structures are connected by a link mechanism at intervals such that the front and rear edges of adjacent steps are close to each other when the step structures are driven horizontally. The step structure 6 is hooked by the claw of the dry printer 9, connected by a connecting link, and driven in the next state. Arrow 2 in FIG. 4 indicates the direction of movement of the drive link.

FIG. 5 is a plan view of one step structure, and FIG. 6 is a side view of one step structure.

In the figure, 11 is a driving force applying shaft, 12 is a driving force transmitting shaft, and 13 is provided between the driving force applying shaft and the driving force transmitting shaft, and allows mutual rotation of both shafts around their axes. A drive shaft is constituted by two or more three parts that are in a straight line, which is a slewing bearing with one outer ring that rotates freely on its outer periphery.A pair of 14 are provided on the left and right sides of the step to support the step 5. Identical step support shaft,
15 is a Y-shaped lower arm connecting the driving force transmission shaft 12 and the pair of step support shafts 14; 16 is the driving force transmission shaft 12;
This is an upper arm having the same shape as the lower arm 15 that connects the step support l111]4. Drive force transmission shaft 1
2. The pair of step support shafts 14, the lower arm 15, and the upper arm 16 are each connected to each other via a bottle, thereby forming a three-dimensional parallel link mechanism. Reference numeral 17 is attached to the bottle joint between the driving force transmission shaft 12 and the lower arm 15, and the next assembly power transmission shaft support roller is attached. Reference numeral 18 is attached to the bottle joint between the pair of step support shafts 14 and the lower arm 15. A pair of step support shaft support rollers (lower side), 19 are a pair of step support shaft support rollers (upper side) that are attached to the bin joint portion of the pair of step support shafts 14 and the upper arm 16. 20 is a guide rail of the driving force transmission shaft support row 217, 21 is a step support shaft support roller (lower side) 18
22 is a guide rail for the step support shaft support opening (upper side) 19. Reference numerals 23 are live wires attached to the front and rear edges of the step 5, which serve to prevent passengers' feet from entering the stepped portion of the step when the step moves up and down. In FIG. 6, one step structure 6 is constituted by step 5 and portions denoted by numerals 11 to 20. Adjacent step structures 6 are connected by a connecting link 1o. What is endlessly connected in this way is the passenger conveyance path,
This is driven by the drive link 9.

7 is a sectional view taken along the line BB in FIG. 5, and FIG. 8 is a sectional view taken along the line CC in FIG. These figures are mainly for showing the shape of the roller guide rail. In the figure, 24 is a step structure guideway provided inside the main frame, 2o is a guide rail for the next assembly power transmission shaft support roller provided on the lower surface of the guideway, and 21 and 22 are on the side of the guideway. Guide rails for lower and upper step support shaft support rollers provided in a concave shape, 25 denotes a swing bearing 13't
- A guide groove provided below the guide path 24 for guiding the drive force application shaft 11 through the guide groove, 26 is a swing bearing guide rail, which is in contact with the outer periphery of the swing bearing 13 inside the guide groove. It is a part. Drive force transmission shaft support roller guide rail 20 and swing bearing guide rail 2
6 constitute a drive shaft guide rail, and a pair of step support shaft support roller guide rails (lower side) 21 and a pair of step support shaft support roller guide rails (upper side) 22
A total of four rails constitute a step support shaft guide rail.

FIG. 9 shows a plan view of steps that are connected as a passenger conveyance path. The shape of each step is, for example, in step 5a in the figure, the drive center, that is, the axis A of the drive shaft, a circle with a radius of ``,'' and the direction of movement of the conveyance path (arrow X). Driving center A of the next step 5b.It has a crescent shape with both ends cut off, surrounded by a circle with the same radius r as the entire center.Figure 10 shows that the connected step structure is used for passenger transport. FIG. 3 is a plan view of the vehicle traveling in the direction of arrow X along a curved guide path.

The passenger conveyor of this embodiment has the following main functions. These are (1) forward drive of the passenger conveyance path, (2) vertical drive of the passenger conveyance path, and (3) turning drive of the passenger conveyance path. These effects will be described below.

(11 Forward drive of the passenger conveyance path: In Figures 4 and 6, when the drive sprocket 7 is driven by a drive source such as an electric motor, the drive link 9 is driven by the drive sprocket 7, and the driving force is applied by the pawl of the dry printer 9. The passenger conveyance path is driven in the direction of the arrow 2 with the bottle joint between the shaft 11 and the connecting link 10 serving as a force application point.

(2) Driving up and down the passenger conveyance path: By providing an up and down guide path 24'f having a cross section of the shape shown in FIGS. 7 and 8, rollers 17, 1
8.19 move along the respective guide rails 20, 21.22, so that a parallel link mechanism constituted by the arm 15.16 between the drive force transmission shaft 12 and the step support shaft 14, as shown in FIG. As a result, the individual step structures keep the upper surface of the step 5 horizontal at all times, and the entire passenger conveyance path is driven up and down.

(3) Turning drive of passenger conveyance path: FIG. 9 shows the principle of turning drive of the conveyance path in a horizontal projection plane. As shown in the figure, the crescent shapes formed when the centers are shifted by a constant pitch S and circles are drawn with the same radius r are all congruent, and if these crescent shapes are used as steps, there will be no gaps or interference. The conveyance path can be rotated.

In Fig. 9, the intersection points 'kE, F of a circle with a radius ' centered around the drive center A0 and a circle with a radius r centered around the drive center A+
Let us now discuss the crescent shape surrounded by the two circles mentioned above. The drive center is a projection of the center line of the drive shaft, indicated by reference numerals 11, 12, and 13 in FIG. 6, onto a horizontal plane.

A(I E=AlI F =A+ E=At F=
r, ΔAoAt F and ΔAeAsE are congruent, and since AoA t = S = constant, l F
At Ao = l E At Ao = constant. Therefore, l E At F = constant, and all crescent shapes formed by drawing circles with a constant pitch S and a constant radius r are congruent.

Next, a description will be given of the crescent-shaped movement when the step drive center is moved along a circle with approximately the turning radius. In Figure 8, parallel to EF and passing through A, HGt- is subtracted by l E OA t = lOAs G = θ...
・－・・・・・・・・・■On the other hand, if the tangent line of the turning circle passing through the AI point is A, I, then ZOA, I=90'・・・・・・・・・
・・・・・・・・・■Also, point A3 is perpendicular to the line GH!
ii! When A and J are provided, ZGAIJ=90'・・・・・・・・・・・・・・・■
■、■、■Formula I AI J =θ・・・・・・・・・・・・・・・
・According to formula 00, θ = dll-” (remainder)... From the relational expression of 0 or more, if the step drive center is moved along the turning radius R, the step centers MA and J will be It is sufficient to rotate it in a direction away from the center of rotation by a constant amount of θ=blood-'(2'R)=- with respect to the tangent layer of the circle.Rotation at the rotation angle θ is realized by the slewing bearing 13. .In addition, when step 5 moves from linear drive to turning drive with a turning radius of approximately
In summary, the following results are obtained: (a) When driving the step linearly, the step guide rail is provided so that the straight line through which the step drive center passes coincides with the center line of the step.

(b) When driving the step to turn, the turning radius tR,
If the step pitch is S, θ=tm-' 0)
A step guide rail is provided so as to rotate the step around the step drive center in a direction away from the turning center.

(C) When the step changes from linear drive to swing drive, the swing angle of the drive center is changed by providing a step guide rail from the linear drive point.

As described in detail above, the passenger conveyor of this embodiment employs a step whose front and rear edges are made of circular arcs with the same radius, which is supported by three-dimensional parallel links and rotatably held by a swivel bearing, and by a link mechanism. By connecting the driving force application shaft and the step support shaft with separate rails, it is possible to guide the conveyance path freely up and down, left and right, and this also allows the step metal to be always maintained above the conveyance path. [Effects of the Invention] The passenger conveyor of the present invention includes a step whose front and rear edges are made of circular arcs with the same radius, a three-dimensional parallel link that supports the step, and a rotating parallel link. By being equipped with a swing bearing, a link mechanism that connects the step structure, and separate rails that guide the driving force application shaft and the step support shaft to the step structure, it is possible to easily handle sections with arbitrary elevation angles and arbitrary turning radii. It is possible to set a passenger conveyance path combining the steps, and by holding the step above the conveyance path and moving it in circulation, the step can be used for raising and lowering passengers at all times.

[Brief explanation of the drawing]

Fig. 1 is an external view of one embodiment of the passenger conveyor of the present invention, Fig. 2 is a plan view of the same embodiment, Fig. 3 is a plan view of the step structure of the above embodiment in a connected state, and Fig. 4 is 3 is a cross-sectional view taken along line A-A in FIG. 3; FIG. 5 is a plan view of one step structure of the above embodiment; FIG. 6 is a side view of one step structure of the above embodiment; The figure is a cross-sectional view taken along line B-B in Figure 5. Figure 8 is a cross-sectional view taken along line C-C in Figure 5. Figure 9 is a plan view of the steps of the above embodiment. Figure 10 is a cross-sectional view taken along line C-C in Figure 5. 11 is a plan view of a conventional passenger conveyor, FIG. 12 is a side view of the same conveyor, and FIG. 13 is a three-sided view of the steps of the same conveyor. 1a...lower floor, lb...middle floor, lc.
...Upper floor, 2...Main frame, 3a...Side wall, 3b
...handrail, 4a...boarding and alighting area, 4b...moving walkway for assisting boarding and alighting, 4c...coming entrance, 4d...getting off, 5.
... Step, 6... Step structure, 7... Drive sprocket, 8... Idle sprocket, 9
... Drive link, 10... Step structure connection link, 11... Driving force application shaft, 12... Driving force transmission shaft, 13... Swivel bearing, 14... Step support shaft, 15 ... Lower arm, 16 ... Upper arm, 17 ... Driving force transmission shaft support roller, 18 ... Step support shaft support roller (lower side), 19 ... Step support shaft support roller (upper side) ), 20... Driving force transmission shaft support roller guide rail, 21... Step support shaft support roller guide rail (lower side), 22... Step support shaft support roller guide rail (upper side) 23... Riser , 24...
・Step structure guide path, 25... Driving force application shaft guide groove, 26... Swivel bearing guide rail Representative Patent attorney Akira Sakama 2 people 3 figures/6 shoulders 8 figures 5 figures 86 figures q Monman 10 diagrams 11 Threshold month 12 Kokuban 13 diagrams ('b)

Claims (1)

[Claims] In a passenger conveyor, a plurality of step structures each having a step for transporting passengers are connected in an endless manner and are driven along an endless guide rail to transport passengers on the upper surface of the step. have a planar shape consisting of circular arcs with the same radius, the step structure includes a three-dimensional parallel link for raising and lowering the step between the driving force application axis and the step, and the driving force application axis and the parallel link A swing bearing is provided between the parallel links to rotate the same parallel link around the axis of the driving force applying shaft, and the step structure is connected with the front and rear edges of the adjacent steps at a close interval when driven horizontally. A passenger conveyor, characterized in that the guide rail is connected by a link and comprises a drive shaft guide rail and a step support shaft guide rail different from the drive shaft guide rail so as to guide the step structure in any direction up, down, right, left, or right.