JP2016204112A - Footstep device of escalator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a footstep device of an escalator in which a circular disc part is formed at a lower floor-side end part of a footplate of a footstep, and can block a recess which is formed between the footplates of the adjacent footsteps when the footplates of the adjacent footsteps are arranged while being displaced to a height direction.SOLUTION: A footstep device of an escalator comprises: a block part 41 which is arranged at an upper floor-sided footstep 2A, and displaced between a block position arranged in a recess 212 which is formed between the upper floor-side footstep 2A and a lower floor-side footstep 2B when the upper floor-side footstep 2A and the lower floor-side footstep 2B exist in an upper floor-side horizontal part 11, and an accommodation position which is arranged inside the upper floor-side footstep 2A; and a displacement device 5A which displaces the block part 41. When the upper floor-side footstep 2A and the lower floor-side footstep 2B exist in the upper floor-side horizontal part 11, the displacement device 5A sets a position of the block part 41 as the block position, and when the upper floor-side footstep 2A and the lower floor-side footstep 2B exist in an inclined part 12, sets the position of the block part 41 as the accommodation position.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a step device for an escalator in which a plurality of steps circulate.

  Conventionally, when a plurality of steps having a step plate with a corner portion formed at the lower floor side end portion is provided and the step is in the inclined portion of the main frame, the respective step plates of a pair of adjacent steps are displaced in the height direction. An escalator step device is known in which each step plate of a pair of adjacent steps is arranged on the same plane when the steps are located on the upper floor side horizontal portion or the lower floor side horizontal portion of the main frame. (For example, refer to Patent Document 1).

JP-A-5-155573

  However, since a corner is formed at the lower floor side end of the step board, when each of a pair of adjacent steps is in an inclined part, the step board of each step is arranged shifted in the height direction. The corners of the treads are exposed, and if the user falls, the corners of the treads may come into contact. On the other hand, when an arc portion is formed on the lower floor side end of the tread to prevent the corner of the tread from being exposed, each of a pair of adjacent steps is in the upper floor horizontal section or the lower floor horizontal section. In this case, since the steps of each step are arranged on the same plane and a recess is formed between the steps, the foreign matter such as a user's foot or clothes enters the recess. There was a problem that there was a risk of being sandwiched between the plate and the step.

  In the present invention, an arc portion is formed at the lower floor side end of the step board, and when each of a pair of adjacent steps is in the upper floor side horizontal part or the lower floor side horizontal part, the step board is interposed between the step boards of each step. The present invention provides a step device for an escalator capable of closing a formed recess.

  The step device for an escalator according to the present invention is provided in a main frame having an upper floor horizontal portion, an inclined portion, and a lower floor horizontal portion, and circulates and moves through the upper floor horizontal portion, the inclined portion, and the lower floor horizontal portion. An escalator step device having a plurality of steps and having a circular arc formed at the lower floor side end portion of the step plate in the step, provided on the upper floor step of a pair of adjacent steps, When the lower floor step, which is the step adjacent to the lower floor side of the upper floor step among the pair of side steps and the adjacent step, is in the upper floor horizontal section or the lower floor side horizontal section, A closing portion that is displaced between a closing position that is disposed in a recess formed between the lower floor side step and a storage position that is disposed inside the upper floor side step, and a displacement device that displaces the closing portion. Provided, the upper floor step and the lower floor step are the upper floor horizontal section or the lower floor horizontal The closed position the position of the closing portion when in the upper floor side footstep and Shitakai side footstep to the position of the closed portion at the storage position when in the inclined portion.

  According to the step device of the escalator according to the present invention, the escalator step device is provided on the upper floor step in the pair of adjacent steps, and on the lower floor side of the upper floor step in the upper floor step and the pair of adjacent steps. When the lower floor side step which is an adjacent step is in the upper floor side horizontal part or the lower floor side horizontal part, the closed position and the upper position which are arranged in the recess formed between the upper floor side step and the lower floor side step A closing part that is displaced between the storage position disposed inside the floor side step and a displacement device that displaces the closing part, wherein the upper side step and the lower floor step are horizontally located on the upper floor side. The position of the closing portion is set to the closing position when the upper floor side step or the lower floor side step is in the inclined portion, and the position of the closing portion is set to the storage position when the upper floor side step and the lower floor side step are in the inclined portion. When each of the steps is on an inclined part, a corner is not formed on the lower floor side end of the tread, Recesses each of the pair of the step is formed between the step board of each of the steps when upstairs side horizontal portion or lower floor side horizontal portion fit is closed. As a result, an arc portion is formed at the lower floor side end of the step board, and when each of a pair of adjacent steps is in the upper floor side horizontal part or the lower floor side horizontal part, it is formed between the step boards of each step. It is possible to close the recessed portion.

It is a block diagram which shows the escalator which concerns on Embodiment 1 of this invention. It is an enlarged view which shows the step of FIG. It is the rear view which looked at the step of FIG. 1 from the lower floor side. It is an enlarged view which shows the escalator in case the upper floor side step and lower floor side step of FIG. 1 exist in an upper floor side horizontal part. It is a front view which shows the obstruction | occlusion apparatus of FIG. It is a front view which shows the state which has the upper floor side step and lower floor side step of FIG. 4 in the inversion part in a movement path | route. It is a block diagram which shows the principal part of the escalator which concerns on Embodiment 2 of this invention. It is a front view which shows the upper floor side step and lower floor side step in case the obstruction | occlusion part of FIG. 7 exists in a obstruction | occlusion position. It is a block diagram which shows the principal part of the escalator which concerns on Embodiment 3 of this invention. It is a front view which shows the escalator when the step of FIG. 9 exists in an inclination part.

Embodiment 1 FIG.
1 is a block diagram showing an escalator according to Embodiment 1 of the present invention. In the figure, the escalator is provided across the upper floor side floor 100 and the lower floor side floor 101, and has a main frame 1 having an upper floor side horizontal part 11, an inclined part 12 and a lower floor side horizontal part 13, The main frame 1 includes a plurality of steps 2 that circulate through the upper floor side horizontal portion 11, the inclined portion 12, and the lower floor side horizontal portion 13, and a step chain 3 that connects the plurality of steps 2. In FIG. 1, only the step 2 located on the forward path side portion of the movement route is shown among the plurality of steps 2, but the plurality of steps 2 are also arranged on the return side portion and the reverse portion of the movement route. .

  In this example, a step 2 located on the upper floor side of a pair of adjacent steps 2 is defined as an upper floor side step 2A, and adjacent to the lower floor side of the upper floor side step 2A in a pair of adjacent steps 2. Let step 2 be the lower floor side step 2B.

  2 is an enlarged view showing the step 2 of FIG. 1, FIG. 3 is a rear view of the step 2 of FIG. 1 viewed from the lower floor side, and FIG. 4 is an upper view of the upper floor side step 2A and the lower floor side step 2B of FIG. It is an enlarged view which shows the escalator in the case of being in the floor side horizontal part 11. FIG. The step 2 includes a step board 21 on which a user rides and a riser 22 fixed to the step board 21. The tread plate 21 is arranged so that the upper surface thereof coincides with the horizontal plane when the step 2 is located in the forward path side portion in the movement route. The riser 22 is disposed so as to extend downward from the lower floor side end of the tread plate 21 when the step 2 is located in the forward path side portion in the movement route. In this example, the lower floor side end portion of the step board 21 is a case where the step 2 is located on the forward path side portion in the movement route and when the step 2 is viewed from above, the lower floor side floor 101 of the step board 21. It is a part used as the edge part of the side.

  An arc portion 211 is formed at the lower floor side end of the tread plate 21. When the upper floor side step 2A and the lower floor side step 2B are in the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13, a recess 212 is formed between the upper floor side step 2A and the lower floor side step 2B. Is done.

  A first groove 23 extending in the height direction is formed in the lower floor side end of the tread plate 21 and the riser 22. The first groove 23 is formed continuously from the lower floor side end of the tread plate 21 to the riser 22. The portion of the first groove 23 formed in the riser 22 is formed over the entire height direction of the riser 22. The first groove 23 is formed at each of both ends in the width direction of the step 2.

  A second groove 24 extending in the height direction is formed in the lower floor side end of the tread plate 21 and the riser 22. The second groove 24 is formed continuously from the lower floor side end of the tread plate 21 to the riser 22. The portion of the second groove 24 formed in the riser 22 is formed only in the upper portion of the riser 22. The second groove 24 is formed between the pair of first grooves 23. A plurality of second grooves 24 are formed side by side in the width direction.

  The escalator also includes a closing device 4 provided on the step 2 and a displacement device 5A that displaces the closing device 4.

  FIG. 5 is a front view showing the closing device 4 of FIG. The closing device 4 includes a plurality of closing portions 41 arranged in the width direction of the step 2, and a rotation shaft 42 connected to each closing portion 41. The respective closing portions 41 are simultaneously rotated as the rotation shaft 42 is rotated. Further, each closing portion 41 is displaced between a closing position arranged in the recess 212 and a storage position arranged inside the step 2.

  As shown in FIGS. 2, 3, and 4, each closed portion 41 passes through the first groove 23 or the second groove 24 and is displaced between the closed position and the storage position.

  The displacement device 5A is provided on the lower floor step 2B, and a tension spring (elastic member) 51 that biases the closing portion 41 so that the position of the closing portion 41 is the storage position. When the upper floor side step 2A and the lower floor side step 2B are in the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13, the closing portion 41 is lifted against the urging force of the tension spring 241 to position the closing portion 41. And an interlocking arm 52 that is in the closed position.

  The interlocking arms 52 are disposed at both ends in the width direction of the lower floor side step 2B. Each interlocking arm 52 is inserted into the first groove 23. In addition, each interlocking arm 52 is disposed below the pair of blocking portions 41 disposed at both ends in the width direction of the plurality of blocking portions 41.

  FIG. 6 is a front view showing a state where the upper floor side step 2A and the lower floor side step 2B of FIG. The interlocking arm 52 includes a support position that sets the position of the closed portion 41 to the closed position when the upper floor side step 2A and the lower floor side step 2B are on the upper floor side horizontal portion 11 and the lower floor side horizontal portion 13, and the upper floor When the side step 2A and the lower floor side step 2B are in the reversal part in the movement route, the part 521 that contacts the closing part 41 is the reverse center part side of the part 521 that contacts the closing part 41 in the interlocking arm 52 in the support position. It is displaced between the tilt position located at

  The displacement device 5 </ b> A further includes an interlocking arm maintaining member 53 provided across the tread plate 21 and the interlocking arm 52. The interlocking arm maintenance member 53 has a spring. The interlocking arm maintaining member 53 uses the elastic force of the spring to position the interlocking arm 52 when the upper floor side step 2A and the lower floor side step 2B are in the upper floor side horizontal part 11 and the lower floor side horizontal part 13. Set to support position. Further, the interlocking arm maintaining member 53 is configured such that when the upper floor side step 2A and the lower floor side step 2B are in the reversal part in the movement route, the upper floor side step 2A moves downward from the lower floor side step 2B. At the same time, the position of the interlocking arm 52 is set to the tilted position. Thereby, when the upper floor side step 2A and the lower floor side step 2B return from the return path side portion to the forward path side portion in the movement route, the interlocking arm 52 is disposed below the closing portion 41. The elastic force of the interlocking arm maintaining member 53 is larger than the urging force of the tension spring 51. Therefore, the interlocking arm 52 can set the position of the closing part 41 to the closing position against the urging force of the tension spring 51. When a strong force is applied from above, such as when the blocking portion 41 in the closed position is stepped on by the user, the interlocking arm 52 tilts from the support position against the elastic force of the interlocking arm maintaining member 53. Displace towards position. Thereby, the impact applied to the obstruction | occlusion part 41 can be relieved.

  The escalator further includes a detection unit (not shown) that detects that the blocking unit 41 is stepped on by a user, and an alarm device (not shown) that warns based on the detection result of the detection unit. Yes. Thereby, when the user is stepping on the blocking part 41, the user can be alerted.

  The escalator further includes an illumination device (not shown) provided inside the closing part 41. Thereby, the user can be alerted to the blocking part 41.

  The escalator may further include a roller provided in the gap between the closing portion 41 and the tread plate 21. Thereby, it can suppress that a foreign material is pinched | interposed between the obstruction | occlusion part 41 and the tread board 21. FIG.

  The step device of the escalator includes a step 2, a closing device 4, a displacement device 5A, a detection unit that detects that the closing unit 41 is stepped on by a user, an alarm device, and a lighting device.

  Next, the operation of the escalator will be described. When the upper floor side step 2 </ b> A and the lower floor side step 2 </ b> B are located on the inclined portion 12, an arc portion 211 is formed at the lower floor side end portion of the tread plate 21, and the position of the closing portion 41 is the position of the tension spring 51. Since the storage position is reached by the urging force, the arc portion 211 is exposed.

  On the other hand, when the upper floor side step 2A and the lower floor side step 2B are positioned on the upper floor side horizontal portion 11 and the lower floor side horizontal portion 13, the interlocking arm 52 of the lower floor step 2B is biased by the tension spring 241. Against this, the closing part 41 provided in the upper floor side step 2A is displaced from the storage position to the closing position. Thereby, the closing part 41 is arrange | positioned in the recessed part 212, and the recessed part 212 is closed.

  When the upper floor side step 2A and the lower floor side step 2B are located at the inverted portion in the movement path, the interlocking arm 52 is displaced from the support position to the tilted position while supporting the closing portion 41. Thereby, when the upper floor side step 2A and the lower floor side step 2B return from the return path side part to the forward path side part, the interlocking arm 52 is disposed below the closing part 41.

  As described above, the escalator step device according to Embodiment 1 of the present invention is provided in the upper floor side step 2A, and the upper floor side step 2A and the lower floor side step 2B are connected to the upper floor side horizontal portion 11. In the case of being in the lower floor side horizontal portion 13, the closed position disposed in the recess 212 formed between the upper floor step 2A and the lower floor step 2B and the storage disposed inside the upper floor step 2A. And a displacement device 5A that displaces the closure portion 41. The displacement device 5A includes an upper floor side step 2A and a lower floor side step 2B that are connected to the upper floor side horizontal portion 11 and the lower portion. When the floor side horizontal portion 13 is located, the position of the closing portion 41 is set to the closing position, and when the upper floor side step 2A and the lower floor side step 2B are located on the inclined portion 12, the position of the closing portion 41 is set to the storage position. The upper floor side step 2A and the lower floor side step 2B are in the inclined portion 12. In this case, no corner is formed at the lower floor side end of the step board 21 of the upper floor side step 2A, and the upper floor side step 2A and the lower floor side step 2B are the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13. In this case, the recess 212 formed between the respective step plates 21 of the upper floor side step 2A and the lower floor side step 2B is closed. As a result, an arc portion 211 is formed at the lower floor side end of the step board 21 of the upper floor side step 2A, and the upper floor side step 2A and the lower floor side step 2B are connected to the upper floor side horizontal portion 11 or the lower floor side horizontal portion. 13, the recess 212 formed between the step board 21 of the upper floor step 2A and the lower floor step 2B can be closed.

  Further, in this escalator step device, the displacement device 5A includes a tension spring 51 that is provided in the upper floor side step 2A and biases the closing portion 41 so that the position of the closing portion 41 becomes the storage position, and the lower floor step. 2B, when the upper floor side step 2A and the lower floor side step 2B are located on the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13, the closing portion 41 is lifted against the urging force of the tension spring 51. Since it has the interlocking arm 52 which makes the position of the obstruction | occlusion part 41 into the obstruction | occlusion position, the displacement apparatus 5A can be attached to the step 2. FIG.

  The interlocking arm 52 includes a support position that sets the position of the closing portion 41 to the closing position when the upper floor side step 2A and the lower floor side step 2B are in the upper floor side horizontal portion 11 and the lower floor side horizontal portion 13; When the upper floor side step 2A and the lower floor side step 2B are in the reversal part in the movement path, the part 521 that contacts the closing part 41 is tilted to the reversal center part side of the part 521 of the interlocking arm 52 in the support position. Therefore, when the upper floor side step 2A and the lower floor side step 2B move from the return path side part to the forward path side part, the interlocking arm 52 is disposed below the closing part 41.

Embodiment 2. FIG.
FIG. 7 is a block diagram showing a main part of an escalator according to Embodiment 2 of the present invention. In the displacement device 5B, one end portion 541 is rotatably connected to the closing portion 41, and one end portion 551 is rotatably connected to the other end portion 542 of the first rotation shaft 54. And a second rotation shaft 55. The other end portion 552 of the second rotation shaft 55 is rotatably connected to the upper floor side end portion of the tread plate 21 of the lower floor side step 2B. The first rotating shaft 54 is connected to a portion of the closing portion 41 that is away from the rotating shaft and closer to the portion of the closing portion 41 that is disposed in the recess 212 than the rotating shaft.

  When the upper floor step 2A and the lower floor step 2B are in the inclined portion 12, the displacement device 5B sets the position of the closing portion 41 to the storage position.

  FIG. 8 is a front view showing the upper floor step 2A and the lower floor step 2B when the closing portion 41 of FIG. 7 is in the closing position. When the upper floor side step 2A and the lower floor side step 2B are in the upper floor side horizontal portion 11 and the lower floor side horizontal portion 13, the first rotation shaft 54 and the second rotation shaft 55 are folded. At this time, the closing part 41 is displaced from the storage position to the closing position. When the upper floor side step 2A and the lower floor side step 2B are in the reversal part in the movement route, the first rotation is performed in response to the change in the distance between the upper floor step 2A and the lower floor step 2B. The shaft 54 and the second rotation shaft 55 rotate. Other configurations are the same as those in the first embodiment. A spring like the interlock arm maintaining member 53 described in the first embodiment may be provided between the other end portion 552 of the second rotation shaft 55 and the tread plate 21 of the lower floor side step 2B.

  As described above, according to the escalator step device according to Embodiment 2 of the present invention, the arc portion 211 is formed on the lower floor side end portion of the step board 21 of the upper floor step 2A, and the upper floor step is formed. When the 2A and the lower floor side step 2B are in the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13, the recess 212 formed between the step plates 21 of the upper floor side step 2A and the lower floor side step 2B is blocked. Can do.

Embodiment 3 FIG.
FIG. 9 is a block diagram showing the main part of an escalator according to Embodiment 3 of the present invention, and FIG. 10 is a front view showing the escalator when the step 2 in FIG. The displacement device 5 </ b> C includes a guide rail 56 provided on the upper floor side horizontal portion 11, the inclined portion 12 and the lower floor side horizontal portion 13, and an operation member 57 provided on the closing portion 41 and guided by the guide rail 56. doing. The operating member 57 has a rotating shaft 571 whose one end is rotatably connected to the closing portion 41, and a roller 572 that is provided at the other end of the rotating shaft 571 and rolls on the guide rail 56. ing. The guide rail 56 guides the operating member 57 so that the closing portion 41 is in the closing position when the step 2 is in the upper floor side horizontal portion 11 and the lower floor side horizontal portion 13. Further, the guide rail 56 guides the operating member 57 so that the closed portion 41 is in the storage position when the step 2 is in the inclined portion 12. Other configurations are the same as those in the first embodiment. 9 and 10 show only the upper floor side step 2A among the adjacent steps 2.

  As described above, according to the step device for an escalator according to Embodiment 3 of the present invention, the displacement device 5C includes the guide rails 56 provided on the upper floor side horizontal portion 11 and the lower floor side horizontal portion 13, and the closure. The guide rail 56 includes an operation member 57 that is guided by the guide rail 56. The guide rail 56 includes the upper floor side step 2A and the lower floor side step 2B that are the upper floor side horizontal portion 11 and the lower floor side horizontal portion. 13, the actuating member 57 is guided so that the closing portion 41 is in the closing position, so that an arc portion 211 is formed at the lower floor side end portion of the step board 21 of the step 2, and the upper floor side step 2 </ b> A and the lower step When the floor side step 2B is in the upper floor side horizontal part 11 or the lower floor side horizontal part 13, the recess 212 formed between the step board 21 of the upper floor side step 2A and the lower floor side step 2B can be closed.

  In the third embodiment, the description has been given of the configuration in which the guide rail 56 is provided in the upper floor side horizontal portion 11, the inclined portion 12, and the lower floor side horizontal portion 13, but the guide rail 56 is provided in the upper floor side horizontal portion 11 and The structure provided in the lower floor side horizontal part 13 or the structure in which the guide rail 56 is provided in the upper floor side horizontal part or the lower floor side horizontal part 13 may be sufficient.

  Further, in each of the above-described embodiments, the blocking portion 41 is the recessed portion 212 regardless of whether the upper floor side step 2A and the lower floor side step 2B are in the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13. However, when the upper floor side step 2A and the lower floor side step 2B are located on either the upper floor side horizontal portion 11 or the lower floor side horizontal portion 13, the closing portion 41 closes the recess 212. It may be a configuration.

  1 Main frame, 2 steps, 2A Upper floor step, 2B Lower floor step, 3 Step chain, 4 Closure device, 5A, 5B, 5C Displacement device, 11 Upper floor side horizontal portion, 12 Inclined portion, 13 Lower floor side Horizontal part, 21 tread, 22 riser, 23 first groove, 24 second groove, 41 closing part, 42 rotating shaft, 51 tension spring (elastic member), 52 interlocking arm, 53 interlocking arm maintenance member, 54 1st Moving shaft, 55 Second rotating shaft, 56 Guide rail, 57 Actuating member, 100 Upper floor, 101 Lower floor, 211 Arc, 212 Recess, 521, 541 One end, 542 Other end , 551 one end, 552 other end, 571 pivot shaft, 572 roller.

Claims (4)

Provided in a main frame having an upper floor side horizontal part, an inclined part and a lower floor side horizontal part, comprising a plurality of steps that circulate and move through the upper floor side horizontal part, the slope part and the lower floor side horizontal part, An escalator step device in which an arc portion is formed at the lower floor side end portion of the step plate in the step,
A lower floor which is provided on an upper floor step in a pair of adjacent steps, and is the step adjacent to the lower floor side of the upper floor step among the upper floor step and the pair of adjacent steps. When the side step is in the upper floor side horizontal portion or the lower floor side horizontal portion, the closed position and the upper floor side that are disposed in the recess formed between the upper floor step and the lower floor step A closing part that is displaced between a storage position arranged inside the step;
A displacement device for displacing the blocking portion;
The displacement device is configured such that when the upper floor side step and the lower floor side step are in the upper floor side horizontal portion or the lower floor side horizontal portion, the position of the closed portion is set to the closed position, and the upper floor side step is And a step device for an escalator, wherein the position of the closing portion is set to the storage position when the lower floor side step is in the inclined portion.   The displacement device is provided on the upper floor side step, provided on the upper floor side, an elastic member that biases the closing portion so that the position of the closing portion becomes the storage position, and on the lower floor side step, When the step and the lower floor side step are in the upper floor side horizontal part or the lower floor side horizontal part, the blocking part is lifted against the urging force of the elastic member, and the position of the blocking part is set to the blocking position. The escalator stepping device according to claim 1, further comprising an interlocking arm that moves.   The interlocking arm includes a support position that sets the position of the closed portion to the closed position when the upper floor side step and the lower floor side step are in the upper floor side horizontal portion or the lower floor side horizontal portion, and When the upper floor side step and the lower floor side step are in the reversing part in the movement path, the part that contacts the closing part is between the tilting position that is located on the reversing center part side than the part in the support position. The escalator step device according to claim 2, wherein the step device is displaced. The displacement device has a guide rail provided in the upper floor side horizontal part or the lower floor side horizontal part, and an operating member provided in the closing part and guided by the guide rail,
The guide rail is configured such that when the upper floor side step and the lower floor side step are in the upper floor side horizontal portion or the lower floor side horizontal portion, the position of the closing portion becomes the closing position. The escalator step device according to claim 1, wherein the escalator step device is guided.

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