JP3561455B2 - escalator - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an escalator, and more particularly, to an escalator having a low main frame height.
[0002]
[Prior art]
Escalators in which the height of the main frame is reduced over the entire length are disclosed in JP-A-1-242389 and JP-A-10-250968.
According to the above configuration, there is an advantage that the installation space for the escalator is reduced, which is advantageous for installation.
[0003]
[Problems to be solved by the invention]
However, in each of the above-mentioned proposals, the strength of the main frame is insufficient, and the main frame includes main components such as a step, a step chain for driving the step, a guide rail for guiding the step, and a guide rail for guiding the step. When a handrail frame or the like is assembled, transported, or carried in at a factory, there is a problem that the entire main frame is easily bent and extra reinforcement is required. In addition, there is a problem that a great deal of time and labor is required for correction at the time of carrying in due to the bending of the main frame.
[0004]
An object of the present invention is to provide an escalator capable of maintaining the strength of a main frame even when necessary components are incorporated into a main frame at a factory and carried in.
[0005]
[Means for Solving the Problems]
The object is to provide a main frame having a horizontal portion at both upper and lower ends of the inclined portion,
The main frame has a pair of left and right side frames, the side frame has an upper side and a lower side , and is connected by a connecting member , and the upper side and the lower side of the side frame. The interval between the portions is configured to be wider than the interval between the upper side and the lower side of the side frame at the end of the main frame, from the inclined portion of the main frame to the upper and lower horizontal portions ,
The heights of the horizontal portions at the upper and lower ends of the main frame are defined as ha and hb, respectively.
The interval between the upper side and the lower side in the inclined portion is hc,
The height dimension from the riser side end of the adjacent tread surface in the inclined portion to the lower side portion is hd,
When a height dimension from the riser side end to the upper side portion in the inclined portion is he,
hc>he> ha, hb> hd,
Alternatively, the dimensional relationship is set so as to have a relationship of hc>he>hd> ha, hb,
Inside the side frame body provided in the left and right pair, in the factory, at least the endlessly connected and moving steps, a step chain for driving the steps, a guide rail and a handrail frame for guiding the steps are incorporated, It is achieved by carrying in to a predetermined installation place.
[0006]
As a result, the side frame body in which the interval between the upper side and the lower side is widened is reinforced in the vertical direction, so that the strength of the entire main frame can be maintained. Can solve the problem.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
An escalator according to an embodiment of the present invention will be described with reference to FIGS.
A staircase 3 is provided over an upper floor 1 and a lower floor 2 of a building (not shown). An intermediate landing 4 is provided on the stairs 3, and an upper inclined passage 5 and a lower inclined passage 6 are formed to extend vertically.
[0008]
When the escalator 7 is installed on the stairs 3, the escalator 7 is arranged using a part of the width of the stairs 3, and the upper and lower ends of the escalator 7 are supported across the upper floor 1 and the lower floor 2. are doing. The escalator 7 includes a main frame 8 installed over the upper floor 1 and the lower floor 2 and a step 10 which is connected endlessly by step chains 9A and 9B, and is guided into the 8 and moves. A pair of balustrades 11A and 11B erected at both ends thereof along the moving direction of the steps 10 and moving handrails 12A and 12B guided by the periphery of the balustrades 11A and 11B and synchronously moved with the steps 10 are provided. It is configured.
[0009]
The main frame 8 has a pair of left and right side frame bodies 13A and 13B and a horizontal member (not shown) for connecting these, and these side frame bodies 13A and 13B are upper sides of the side frame bodies. As shown in FIG. 1, the upper chord member 14 includes a lower chord member 15 serving as a lower side portion of a side frame body disposed at a distance below the upper chord member 14, and a vertical member 16 connecting these members. Truss structure.
[0010]
The upper chord 14 is provided on the upper side of the side frames 13A and 13B over the entire length of the main frame 8, and the lower chord 15 is also provided on the side frames 13A and 13A, It is provided below 13B.
[0011]
The main frame 8 having the side frame bodies 13A and 13B having the above-described structure is provided with an upper horizontal portion A supported by the upper floor 1 and a lower horizontal portion B supported by the lower floor 2 and a position between these. And the inclined portion C that is formed.
[0012]
The height dimensions ha and hb of the upper and lower horizontal portions A and B of the main frame 8 configured as described above change the locus at the position where the step 10 changes direction or change the attitude of the step 10 changing direction. For example, the height of the step 10 is set to be lower than twice the depth of the step 10 and lower than twice the height of the step 10. As a result, the heights ha and hb are 30% or more lower than the heights of the upper and lower horizontal portions of the conventional main frame.
[0013]
A pair of driving sprockets (not shown) are supported in the upper horizontal portion A of the main frame 8 configured as described above, and a pair of driven sprockets (not shown) are mounted in the lower horizontal portion B. Are similarly supported. A pair of endless step chains 9A and 9B are wound around the pair of drive sprockets and driven sprockets, and a plurality of steps 10 are connected to the step chains 9A and 9B.
[0014]
The step 10 has a pair of front wheels 18A and 18B rotatably supported by front wheel shafts 17 projecting to both sides in the width direction, and a pair of rear wheels 19A and 19B. The front wheels 18A, 18B and the rear wheels 19A, 19B roll on the guide rails 20, 21 supported by the main frame 8 to move the steps 10 in a predetermined locus.
[0015]
In addition to the above configuration, a pair of balustrades 11A and 11B are erected on the main frame 8 along both sides of the step 10 in the traveling direction. The balustrades 11A and 11B are composed of balustrade panels 22A and 22B, handrail frames 23A and 23B attached to the upper chord material 14 via brackets 27A and 27B provided on the periphery of the balustrade panels 22A and 22B, and the panels 22A and 22B. , And skirt guards 25A, 25B that partition the inner deck covers 24A, 24B and the steps 10 from each other. The moving handrails 12A and 12B that move in synchronization with the steps 10 are guided to the periphery of the balustrades 11A and 11B, that is, the handrail frames 23A and 23B. The outer surface of the main frame 8 is covered with an exterior plate 26 such as a decorative plate for safety and design. By the way, the height of the balustrades 11A and 11B from the steps 10 is almost the same as the conventional escalator.
[0016]
On the other hand, in the present embodiment, the upper chord material 14 is disposed gently and linearly higher upward in the middle of the upper horizontal portion A, that is, from the middle portion in the longitudinal direction along the traveling movement of the step 10 to the inclined portion C. The material 14 is arranged gently and linearly upward from the middle of the horizontal portion B to the inclined portion C. That is, the handrail is provided inside the balustrades 11A and 11B from the middle of the upper horizontal portion A to the inclined portion C, from the middle of the lower horizontal portion B to the inclined portion C, and over the entire length of the inclined portion C. They are provided close to each other along the frames 23A and 23B. In other words, the railings 11A and 11B are configured to be high near the moving handrails 12A and 12B over the entire length thereof.
[0017]
As a result, the distance between the upper chord member 14 and the lower chord member 15 of the side frame members 13A, 13B from a part of the upper and lower horizontal portions A, B to the inclined portion C is determined by the side frames at each end of the upper and lower horizontal portions A, B. The side frame body 13A at the inclined portion C is wider than the distance between the upper chord material 14 and the lower chord material 15 of the bodies 13A and 13B (or the height dimension of the ends of the upper and lower horizontal portions A and B of the main frame 8). , 13B have the maximum distance hc between the upper chord member 14 and the lower chord member 15 (hc> ha, hb). Specifically, the interval hc is slightly different depending on the model of the escalator, but is at least twice as large as the intervals ha and hb. Further, the distance hc between the upper and lower sides of the side frames 13A and 13B in the inclined portion C of the main frame 8 is based on a line connecting the riser side ends of the tread surfaces of the adjacent steps 10 as a reference. It is divided into a height dimension hd to the lower side and a height dimension he to the upper side, and in the present embodiment, the height dimension he is larger than the height dimension hd. Steps 10A and 9B for moving the steps 10 that are endlessly connected and the steps 10A and 9B for moving the steps 10 within the height dimension hd thus divided, and a guide rail 20 that guides the traveling of the steps 10; 21 and the like are arranged.
[0018]
As described above, since the height dimension ha <hb of the upper and lower horizontal portions A and B is reduced by 30% or more as compared with the related art, the height dimension hd of the present embodiment is naturally smaller than that of the related art. It is low, so that the installation space is as small as possible. The relationship between the heights ha, hb, hc, hd, and he is
hc>he> ha, hb> hd or hc>he>hd> ha, hb
It becomes. Here, the heights ha, hb and hd may be reversed, but this difference is due to the posture of the steps on the return side.
[0019]
The above configuration shows the configuration after the installation adjustment. At the time of transportation, the main components of the main frame 8, the steps 10, the steps chains 9A and 9B, and the guide rails 20 and 21 are incorporated and carried in the factory.
FIG. 3 shows a state in which the main parts assembled in the factory are integrally carried into a predetermined installation place. In this case, hanging ropes are attached to both ends AA and BB of the upper and lower horizontal parts A and B. The ends of the hanging ropes 28 are connected, and a middle part of the hanging rope 28 is supported by a hook 29 which is connected to a crane (not shown), transported and installed.
[0020]
FIGS. 4 to 6 are views showing a state in which the main parts incorporated in the factory are carried on site as a two-part configuration of an upper escalator 7A and a lower escalator 7B. As shown in FIG. 7A, one end of the hanging rope 28 is connected to the end AA of the upper horizontal part A, and the other end is connected to the middle part of the side frame bodies 13A, 13B for transportation. In the case of the lower escalator 7B, the hanging rope 28 is Is connected to an end BB of the lower horizontal portion B and the other end is connected to an intermediate portion of the side frames 13A and 13B for transportation.
[0021]
In this case, no steps or step chains are incorporated in the side frames 13A and 13B. If the steps or step chains are incorporated after the installation as shown in FIG. The upper escalator 7A and the lower escalator 7B at the time become lighter, and the local carrying work becomes easier by that much. However, the steps and the step chains are separately incorporated into the upper escalator 7A and the lower escalator 7B, and the upper escalator 7A and the lower escalator 7B are connected after the installation as shown in FIG. You may.
[0022]
At this time, if the handrail frames 23A and 23B are cut out so as to be inside the main frame 8, they will not collide with each other during installation, and will not be damaged. Then, after the installation as shown in FIG. 5, the handrail frame piece 30 is attached to the notch D as shown in FIG.
[0023]
In this way, after being integrally loaded or dividedly loaded, design parts such as the balustrades 11A and 11B, the moving handrails 12A and 12B and the exterior plate 26 are attached.
[0024]
According to the present embodiment, as described above, the height of the main frame 8 is reduced, and the upper chord members 14 and 15 are formed on the side frames 13A and 13B from the inclined portion C to a part of the upper and lower horizontal portions A and B. Since the interval between them is widened, the main frame 8 can secure sufficient strength. For this reason, even if the escalator 7 is transported in one piece or divided into two parts, the main frame 8 does not bend, so that reinforcement of the main frame 8 is not required, and centering after transport is facilitated.
[0025]
Also, in terms of construction, the height of the end of the main frame 8 in this embodiment is low, so that the advantage of installation is not impaired. That is, since the height dimension of the upper and lower horizontal ends of the main frame 8 is kept low, there is little interference with the upper floor 1, the lower floor 2, and the stairs 3, and as a result, the upper and lower floors and stairs that interfere with each other are modified. Since less work is required, the advantage of installation is not impaired.
[0026]
Note that the present invention is not limited to the above-described embodiment. For example, an additional side frame for reinforcement is retrofitted above a normal side frame to form a two-stage side frame, The upper and lower widths of the side frame (the interval between the lower chord of the normal side frame and the upper chord of the additional side frame) may be widened from the inclined portion to the upper and lower horizontal portions.
[0027]
As described above, in the above-described embodiment, the side frame body is configured by the upper chord material, the lower chord material, and the vertical reinforcement, but is not limited to this configuration as long as strength and lightness can be maintained to some extent. Alternatively, the side frame may be formed using I-shaped steel. Also in this case, the distance between the upper side and the lower side of the side frame, that is, the width between the upper side and the lower side of the side frame is widened from the inclined portion to the upper and lower horizontal portions, and The same effect as in the embodiment can be obtained.
[0028]
【The invention's effect】
According to the present invention, it is possible to provide an escalator capable of maintaining the strength of the main frame even when necessary components are incorporated in the main frame at a factory and carried into a predetermined installation location.
[Brief description of the drawings]
FIG. 1 is a schematic side view showing one embodiment of an escalator according to the present invention.
FIG. 2 is an enlarged sectional view taken along line II-II of FIG.
FIG. 3 is a view showing a state in which an escalator according to the present invention is integrally carried in.
FIG. 4 is a diagram showing a state in which the escalator according to the present invention is being divided into two parts and being carried in;
FIG. 5 is a diagram showing a state during installation after carrying in of FIG. 4;
FIG. 6 is a diagram showing a state in which handrail frame pieces are attached in the state of FIG. 5;
[Explanation of symbols]
7 Escalator, 8 Main frame, 9A, 9B Step chain, 10 Steps, 12A, 12B Moving handrail, 13A, 13B Side frame, 14 Upper chord material, 15 Lower chord material, 20, 21 ... guide rail, 23A, 23B ... handrail frame, 26 ... exterior plate, A, B ... vertical horizontal part, C ... inclined part.

Claims (7)

Equipped with a main frame having a horizontal part at the upper and lower ends of the inclined part,
The main frame has a pair of left and right side frames, the side frame has an upper side and a lower side , and is connected by a connecting member , and the upper side and the lower side of the side frame. The interval between the portions is configured to be wider than the interval between the upper side and the lower side of the side frame at the end of the main frame, from the inclined portion of the main frame to the upper and lower horizontal portions ,
The heights of the horizontal portions at the upper and lower ends of the main frame are defined as ha and hb, respectively.
The interval between the upper side and the lower side in the inclined portion is hc,
The height dimension from the riser side end of the adjacent tread surface in the inclined portion to the lower side portion is hd,
When a height dimension from the riser side end to the upper side portion in the inclined portion is he,
hc>he> ha, hb> hd,
Alternatively, the dimensional relationship is set so as to have a relationship of hc>he>hd> ha, hb,
Inside the side frame body provided in the left and right pair, in the factory, at least the endlessly connected and moving steps, a step chain for driving the steps, a guide rail and a handrail frame for guiding the steps are incorporated, An escalator designed to be transported to a specified installation location. Equipped with a main frame having a horizontal part at the upper and lower ends of the inclined part,
The main frame has a pair of left and right side frames, the side frame has an upper side and a lower side , and is connected by a connecting member , and the upper side and the lower side of the side frame. The interval between the portions is configured to be wider than the interval between the upper side and the lower side of the side frame at the end of the main frame, from the inclined portion of the main frame to the upper and lower horizontal portions ,
The heights of the horizontal portions at the upper and lower ends of the main frame are defined as ha and hb, respectively.
The interval between the upper side and the lower side in the inclined portion is hc,
The height dimension from the riser side end of the adjacent tread surface in the inclined portion to the lower side portion is hd,
When a height dimension from the riser side end to the upper side portion in the inclined portion is he,
hc>he> ha, hb> hd,
Alternatively, the dimensional relationship is set so as to have a relationship of hc>he>hd> ha, hb,
An escalator in which a handrail frame is incorporated in a factory within a pair of left and right side frame bodies and is carried into a predetermined installation location. The escalator according to claim 1, wherein the main frame is transported to the predetermined installation location in at least a two-part configuration. The said handrail frame is notched so that it may become inside the said main frame at the time of the said division | segmentation structure, and after carrying in to the said predetermined installation location, the handrail frame piece was attached to this notch part. Escalator as described. The escalator according to any one of claims 1 to 3, wherein a handrail frame is connected to an upper portion of the main frame. The escalator according to claim 1, wherein, at the time of integral loading, the upper and lower horizontal portions of the main frame are supported and suspended, and are transported to the predetermined installation location. 4. The escalator according to claim 3, wherein at the time of divisional carrying in, one is supported and hung while supporting the horizontal portion of the main frame and the other is an intermediate portion of the side frame, and is carried into the predetermined installation location.

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