JP2011201340A - Platform gate device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cost-effective lifting type wide gate of which opening and closing operation can surely be performed.SOLUTION: A lifting fence 16 is guided so as to go up and down freely on a pair of pillars 14 by slides 26 fixed to both ends of a hollow tube 22. When the lifting fence 16 is moved up and down by a lifting drive means (a chain 44, sprocket wheels 46, and a rotation drive device 48) arranged in one pillar 14, the height of both ends of the hollow tube 22 is maintained always in a matched state by the tension of two wires 28, 30 passed through the hollow tube 22. Therefore, the height of both ends of the lifting fence 16 having the hollow tube 22 as a cross rail is always matched when going up and down.

Description

  The present invention relates to a gate device installed on a platform such as a railway.

  In recent years, in order to prevent a passenger falling accident from a railway platform, a home gate that separates the track from the platform has become widespread. The home gate is provided with a fence along the end of the track of the platform, and the opening facing the side door at the stop position of the railway vehicle makes it possible for passengers to get on and off the railway vehicle. . However, this home gate has a gap between the side door and the opening due to a shift in the stop position of the rail car or a mixture of vehicles (for example, a 4-door car and a 6-door car) with different numbers of side doors installed on the rail car. The misalignment has hindered the operation of home gates and has been one of the factors hindering the promotion of dissemination. As a method for solving such a problem, a home gate of a type in which a wide opening is provided so as to straddle several installation spans of the side door and the opening is closed with a liftable gate has been proposed. (For example, refer to Patent Documents 1 and 2.)

Japanese Patent No. 4275984 Special table 2008-526614

However, it is difficult for the gate for closing the wide opening to ensure the horizontality and smoothly perform the opening / closing operation because of its width. , Which caused an increase in cost.
The present invention has been made in view of the above problems, and an object of the present invention is to provide, at a lower cost, an elevating and wide gate capable of reliably opening and closing the gate. It is in.

(Aspect of the Invention)
The following aspects of the present invention exemplify the configuration of the present invention, and will be described separately for easy understanding of various configurations of the present invention. Each item does not limit the technical scope of the present invention. Therefore, the technical aspects of the present invention also apply to those in which some of the constituent elements in each section are replaced, deleted, or other constituent elements are added while referring to the best mode for carrying out the invention. It can be included in the range.

(1) An elevator fence disposed between a pair of columns and guided so as to be movable up and down, and an elevator drive unit disposed in at least one column for raising and lowering the elevator fence. A platform gate device characterized in that the fence itself is configured with balance holding means for matching the heights of both ends thereof (Claim 1).
In the platform gate device described in this section, the height of both ends of the lifting fence is matched by the balance holding means configured in the lifting fence itself, and the lifting fence is moved by the lifting drive means disposed in at least one of the columns. By lifting and lowering, the lifting fence is reliably opened and closed.

(2) In the above item (1), the elevating fence includes at least one hollow tube constituting a cross rail, and the balance holding means is fixed to both ends of the hollow tube, and the pair of pairs A slide that is guided by the column so as to freely move up and down, and at least two wires that are inserted into the hollow tube. One end of the at least one wire is one end of the hollow tube. The inside of one strut is guided upward through a pulley provided on the other end, and the other end is guided through the pulley provided on the other end of the hollow tube through the other end. A platform gate device that is guided downward and stretched in a crank shape, and the remaining wires are stretched symmetrically in the vertical direction.
In the platform gate device described in this section, one end of at least one wire is guided upward in one column through a pulley provided at one end of the hollow tube. The other end of the hollow tube is guided through the pulley provided on the other end of the hollow tube to the lower side and stretched in a crank shape. As a result, the wire is wound in an H shape as a whole. Then, by a slide fixed to both ends of the hollow tube, each of the pair of pillars is guided so as to be able to move up and down. Due to the tension of at least two wires inserted into the inside of the tube, the hollow tube is maintained in a state where the heights of both ends thereof are always matched. Therefore, the heights of the both ends of the lifting fence provided with the hollow tube as a horizontal rail also always coincide with each other during lifting.

(3) In the above item (1), the lifting fence includes at least one hollow tube constituting a cross rail, and the balance holding means is fixed to both ends of the hollow tube, and the pair of pairs Slides guided by the columns so as to be movable up and down, shafts that pass through the hollow tube and are rotatably supported, pinion gears fixed to both ends of the shafts, and the lifting fence inside the columns A platform gate device comprising a rack that is laid in the ascending / descending direction and meshes with the pinion gear (Claim 3).
The platform gate device described in this section is guided by a slide fixed to both ends of the hollow tube so as to be movable up and down by a pair of columns, and the lifting gate is disposed at least in one column by the lifting drive means. When lifting and lowering, pinion gears fixed to both ends of a shaft that is rotatably held through the inside of the hollow tube mesh with a rack laid in the lifting direction of the lifting fence inside the column. Thus, a state in which the heights of both end portions of the shaft are always matched is maintained. Therefore, the heights of both ends of the hollow tube always coincide with each other, and the heights of both ends of the lifting fence provided with the hollow tube as a horizontal crosspiece always coincide with each other when ascending and descending.

(4) In the above item (1), the elevating fence includes a horizontal beam positioned at a central portion in the vertical direction, and the balance holding means is fixed to both ends of the horizontal beam and is H-shaped together with the horizontal beam. A platform gate device comprising: a slide that constitutes a lifting fence strength holding portion; and a linear guide that guides the slide up and down with respect to the column at least at two points between the slides inside the column. (Claim 4).
In the platform gate device described in this section, when the lifting fence is moved up and down by the lifting drive means arranged in at least one of the columns, the slides fixed to both ends of the hollow tube sandwich the horizontal rail. In this respect, the guides are guided with respect to the pair of support columns by the linear guide, thereby suppressing the occurrence of pitching motion in the up-and-down direction of the slide. Therefore, the H-shaped lifting fence strength holding member composed of the slide and the cross rail is always kept in a state where the heights of both ends thereof are matched, and the heights of both ends of the lifting fence are always raised and lowered. Will match.

(5) In the above items (2) to (4), the elevating drive means disposed in at least one of the columns for elevating the elevating fence is hung endlessly through the elevating fence in the column. A platform gate device including a rope-like body such as a turned chain, a gear around which the rope-like body is hung, and a rotation driving device that drives a pulley or the like.
In the platform gate device described in this section, a cord-like body wound endlessly through a horizontal rail of a lifting fence in a column is driven by a rotary driving device that drives a gear, a pulley, etc. It is to be transmitted. In addition, since the state where the height of the both ends was always made to correspond during the raising / lowering is always maintained by the balance holding means, the raising / lowering fence is basically required to be arranged only on one column. However, it is good also as providing in both of a pair of support | pillar as needed.

(6) The platform gate device according to (2) to (5), wherein the lifting fence includes a plurality of wire ropes parallel to the horizontal rail.
In the platform gate device described in this section, the lifting fence includes a plurality of wire ropes parallel to the horizontal rail, thereby securing a substantial shielding area of the lifting fence. Moreover, the use of a wire rope suppresses an increase in the weight of the lifting fence.

(7) In the above items (1) to (6), the lifting fences are arranged in a plurality of rows from the track end of the platform toward the center, so that the descending end positions of the lifting fences are shifted vertically. A platform gate device set in (Claim 6).
The platform gate device described in this section reduces the height and weight of the lifting fence per row by using a plurality of lifting fences that are set so that the position of the descending end is shifted, while reducing the substantial shielding area of the lifting fence. It is to secure. When the lift fences in each row are raised (when the home gate is opened), the lift fences in each row are aligned at the same height, thereby forming a wide opening in the home gate.

(8) The platform gate device according to (1) to (7) above, wherein the support column is installed wider than at least the opening width of the side door of the railway vehicle.
In the platform gate device described in this section, the column is installed at least wider than the opening width of the side door of the railway vehicle, so that the deviation of the stop position of the railway vehicle and the number of installed side doors of the railway vehicle are reduced. The position shift between the side door and the opening due to the mixture of different vehicles is eliminated by forming a wide opening in the home gate.

(9) The platform gate device according to (1) to (8), wherein at least three of the columns are installed, and the lifting fence is arranged between the columns.
In the platform gate device described in this section, at least three columns are installed, and the lifting fence is arranged between the columns, so that a wide opening is formed over a wide range in the longitudinal direction of the home gate. Is.

  Since the present invention is configured as described above, it is possible to provide an elevating type wide gate capable of reliably performing the gate opening / closing operation at a lower cost.

It is a mimetic diagram of a platform gate device concerning an embodiment of the invention. It is principal part sectional drawing of the platform gate apparatus which concerns on the 1st Embodiment of this invention. It is principal part sectional drawing of the platform gate apparatus which concerns on the 2nd Embodiment of this invention. It is principal part sectional drawing of the platform gate apparatus which concerns on the 3rd Embodiment of this invention. It is a schematic diagram which shows the application example of the raising / lowering fence of the platform gate apparatus which concerns on the 1st-3rd embodiment of this invention. It is a schematic diagram which shows the further application example of the platform gate apparatus which concerns on the 1st to 3rd embodiment of this invention.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described with reference to the accompanying drawings. Here, parts that are the same as or equivalent to those of the prior art are denoted by the same reference numerals, and detailed description thereof is omitted.
As shown in FIG. 1, the platform gate device 10 according to the embodiment of the present invention is disposed between a support column 14 standing along a track end of the platform 12 and the support column 14 and is movable up and down. Elevated fence 16 that is guided, and elevating drive means (see FIGS. 2 to 4) disposed in the support for elevating the elevating fence 16 are provided, and the height of both ends of the elevating fence 16 itself is provided. The balance holding means (refer to FIGS. 2 to 4) is configured to match.

  In the example of FIG. 1, it is assumed that a part of a vehicle is being organized has a six-door car set, and three columns 14 are installed, and the interval between the columns 14 is six doors. It is installed wider than the opening width of the side door of the car. Reference numeral 18 in the figure denotes a fence fixed to the platform 12. In FIG. 1, reference numeral 20 denotes a sliding door type gate device dedicated to a four-door car, and is installed at the same constant pitch as the side door of the four-door car alternately with a fixed fence 18.

Here, the specific structure of the platform gate device 10A according to the first embodiment of the present invention will be described with reference to FIG.
In the platform gate apparatus 10 </ b> A shown in FIG. 2, the column 14 is a cylindrical body in which a vertically extending notch for guiding the lifting fence 16 to be lifted is formed. And the cross-sectional shape and component structure of the support | pillar 14 are suitably determined in consideration of an external appearance design, the connection of internal parts, etc. The lifting fence 16 includes at least one hollow tube 22 that forms a horizontal rail. Further, as shown in FIG. 5A, a plurality of wire ropes 40 are stretched between the slides 26 (described later) on both sides of the hollow tube 22 on the lifting fence 16 in parallel with the hollow tube 22. It is installed. Further, instead of the wire rope 40, a plate 42 as shown in FIG. 5B may be fixed in parallel with the hollow tube 22 as a shielding means. Furthermore, as shown in FIG. 1, two or more hollow tubes 22 may be used as necessary.

Further, the platform gate apparatus 10A is a slide that is fixed to both ends of the hollow tube 22 as a balance holding means 24 for matching the heights of both ends of the lifting fence 16 and is guided by the pair of support columns 14 so as to be movable up and down. 26 and two wires 28 and 30 inserted into the hollow tube 22.
The slide 26 is provided with a roller 27 in the illustrated example, and the roller 27 abuts against a rail 29 laid in the up-and-down direction of the up-and-down fence 16 inside the column 14, so that Although it is structured to be guided up and down by the support column 14, the up-and-down guide mechanism of the slide 26 is not limited to this as long as it constitutes a so-called linear guide.

  Also, one end of the wire 28 (30) is guided upward through the pulley 32 (36) provided at one end of the hollow tube 22 and the other end is in the middle. The inside of the other column 14 is guided downward through a pulley 34 (38) provided at the other end of the empty tube 22. Then, both ends of the wires 28 and 30 are fixed to a lid or the like at the upper end of the platform 12 or the support column 14, and the wires 28 and 30 are stretched in a crank shape and symmetrical with each other.

Further, the raising / lowering driving means of the raising / lowering fence 16 of the platform gate apparatus 10A is configured such that the chain 44 is connected to the raising / lowering fence 16 (slide 26 in the illustrated example) via one pair of upper and lower gears 46 in one column 14 and endless. It is hung around. Further, it is transmitted to the lifting fence by being driven by a rotary drive device 48 such as an electric motor that drives the gear 46.
Note that FIG. 2 is a schematic illustration of each of the above-described configurations. In practice, a structure that considers usability and appearance is adopted (the same applies to FIGS. 3 and 4).

Now, according to the first embodiment of the present invention configured as described above, the following operational effects can be obtained. That is, the lifting fence 16 is guided by a pair of columns 14 so as to be movable up and down by slides 26 fixed to both ends of the hollow tube 22, and the lifting drive means (chain 44, When the lifting fence 16 is moved up and down by the gear 46 and the rotation driving device 48), the hollow tube 22 is at the height of both ends by the tension of the two wires 28 and 30 inserted into the hollow tube 22. Are always kept in agreement.
Therefore, the heights of both ends of the lifting fence 16 provided with the hollow tube 22 as a horizontal rail also always coincide with each other during lifting. In the example of FIG. 2, two wires 28 and 30 are inserted into the hollow tube, and the directions guided from the end of the hollow tube 22 through the pulleys 32, 34, 36, and 38 inside the column 14, respectively. However, it is possible to provide two or more wires 28 and 30 in parallel with each other if necessary.

  As described above, the platform gate apparatus 10A according to the first embodiment of the present invention has both ends of the lifting fence 16 by the balance holding means 24 (slides 26, wires 28, 30) formed on the lifting fence 16 itself. It is possible to perform the opening / closing operation reliably by raising and lowering the lifting fence 16 with the lifting drive means (chain 44, gear 46, rotation drive device 48) arranged in one of the struts 14 with the same height. It becomes.

Further, as shown in FIG. 1, the support column 14 is installed at least wider than the opening width of the side door of the railway vehicle, so that the side door and the opening due to the shift of the stop position of the railway vehicle are eliminated. Even in a case where vehicles with different positions and different numbers of installed side doors of the railway vehicle are mixed, a wide opening can be formed in the home gate to cope with the position shift. And since three or more support | pillars 14 are installed and the raising / lowering fence 16 is arrange | positioned between each support | pillar 14, a wide opening part can be formed over the wide range of the longitudinal direction of a home gate.
In addition, the lifting fence 16 includes a plurality of wire ropes 40 parallel to the hollow tube 22 constituting the horizontal rail, thereby securing a substantial shielding area of the lifting fence 16 and using the wire rope 40. It is possible to suppress an increase in the weight of the lifting fence 16 and to reduce the load on the lifting drive means (chain 44, gear 46, rotation drive device 48).

Next, a specific structure of the platform gate device 10B according to the second embodiment of the present invention will be described with reference to FIG.
In the platform gate apparatus 10B shown in FIG. 3, the structure of the support | pillar 14 and the raising / lowering fence 16 is the same as that of the platform gate apparatus 10A shown in FIG. Further, the platform gate device 10B is a slide that is fixed to both ends of the hollow tube 22 as a balance holding means 24 for matching the heights of both ends of the lifting fence 16 and is guided by the pair of support columns 14 so as to freely move up and down. 26 (linear guide) is also the same as the platform gate device 10A shown in FIG. Further, the raising / lowering driving means of the raising / lowering fence 16 is constituted by a chain 44, a gear 46, and a rotation driving device 48, similarly to the platform gate device 10A shown in FIG. Detailed descriptions of the same parts as those of the platform gate device 10A shown in FIG. 2 will be omitted.

On the other hand, the balance holding means 50 for matching the heights of both ends of the lifting fence 16 of the platform gate device 10B includes a shaft 52 that is rotatably held through the inside of the hollow tube 22, and both ends of the shaft 52. And a rack 56 that is laid in the raising / lowering direction of the lifting fence 16 and meshes with the pinion gear 54 inside the pair of support columns 14. The shaft 52 is rotatably held by the hollow tube 22 by an appropriate rotation holding mechanism such as a bearing. Further, the pinion gears 54 at both ends rotate integrally with each other via the shaft 52, and the rack 56 and the pinion gear 54 of each column 14 are also engaged in synchronization.

Now, according to the second embodiment of the present invention configured as described above, the following operational effects can be obtained. That is, by means of slides 26 fixed to both ends of the hollow tube 22, each of the pair of columns 14 is guided so as to freely move up and down, and the lifting drive means (chain 44, gear 46, rotational drive) disposed in one column 14. When the lifting / lowering fence 16 is lifted / lowered by the device 48), pinion gears 54 fixed to both ends of the shaft 52 that is rotatably held through the hollow tube 22 are provided inside the support 14. By engaging with the rack 56 laid in the vertical direction, the state in which the heights of both ends of the shaft 52 are always matched is maintained. Therefore, the heights of both ends of the hollow tube 22 are always the same, and the heights of both ends of the lifting fence 16 provided with the hollow tube 22 as a horizontal rail are always the same during the lifting.
In addition, detailed description is abbreviate | omitted about the effect similar to 10A of platform gate apparatuses based on the 1st Embodiment of this invention.

Next, a specific structure of the platform gate device 10C according to the third embodiment of the present invention will be described with reference to FIG.
In the platform gate apparatus 10C shown in FIG. 3, the structure of the support | pillar 14 and the raising / lowering fence 16 is the same as that of the platform gate apparatus 10A shown in FIG. The platform gate device 10C is similar to the platform gate device 10A shown in FIG. 2 in that the lifting drive means of the lifting fence 16 is constituted by a chain 44, a gear 46, and a rotation drive device 48. . Detailed descriptions of the same parts as those of the platform gate device 10A shown in FIG. 2 will be omitted.
In addition, about the hollow tube 22 which comprises the horizontal rail of the raising / lowering fence 16, since a structure is not interposed in the inside, it does not necessarily need to be a hollow tube in this Embodiment, The shape of the raising / lowering fence 16 is used. A solid bar may be used as long as it has a predetermined strength that can be maintained.

On the other hand, the balance holding means 58 for matching the heights of the both ends of the lifting fence 16 of the platform gate device 10C is provided with an H-shaped lifting fence strength holding portion together with the slides 26 fixed to both ends of the hollow tube 22. (This point is the same in the examples of FIGS. 2 and 3). The slide 26 is provided with rollers 27 at least at two points sandwiching the hollow tube 22, and the roller 26 is guided by the rollers 27 so as to be movable up and down with respect to the column 14. In the example of FIG. 4, the roller 27 installs guide rails on the opposite end wall surfaces of the pair of support columns 14 (or uses the end wall surfaces themselves as guide rails), and slides 26 with respect to the support columns 14. The linear guide which guides is comprised.
Particularly in this embodiment, it is desirable to eliminate the backlash of the roller 27 with respect to the guide rail as much as possible so that both ends of the hollow tube 22 always maintain the same height. Further, it is desirable to increase the vertical installation interval of the roller 27 with respect to the slide 26 as much as possible so as to suppress the occurrence of pitching motion of the slide 26 in the vertical direction.

Now, according to the third embodiment of the present invention configured as described above, the following operational effects can be obtained. That is, when the lifting fence 16 is lifted and lowered by the lifting drive means (the chain 44, the gear 46, and the rotation drive device 48) arranged in one of the columns 14, the slides 26 fixed to both ends of the hollow tube 22 are moved. The two guides 14 are guided by the linear guides at two points with the hollow tube 22 in between, so that the occurrence of the pitching motion of the slide 26 in the ascending / descending direction can be suppressed. Therefore, the H-shaped lifting fence strength holding member constituted by the slide 26 and the hollow tube 22 is maintained in a state in which the heights of both ends thereof are always substantially matched, and the heights of both ends of the lifting fence 16 are maintained. However, they are almost the same when moving up and down.
In addition, detailed description of the same functions and effects as those of the platform gate devices 10A and 10B according to the first and second embodiments of the present invention will be omitted.

FIG. 6 shows a further application example of the platform gate device 10 according to the embodiment of the present invention. In FIG. 6A, the lifting fences 16 are arranged in two rows from the track end of the platform 12 toward the center, and the positions of the descending ends of the lifting fences 16 are set so as to be shifted vertically. It is what. In this example, two rows of lifting fences 16 set so that the descending end position is shifted up and down suppresses the height and weight of the lifting fences 16 per row while lowering the lifting fence 16L (home gate closing) To secure a substantial shielding area. In addition, when the lifting fences in each row rise 16H (when the home gate is opened), the lifting fences 16 in each row are aligned at the same height, so that a high opening can be formed in the home gate.
FIG. 6B shows that at least a part of the lifting fence 16 is folded in a bellows shape by the plurality of panels 42, and the lifting fence is secured while securing a substantial shielding area 16L when the lifting fence is lowered. At the time of ascending 16H (when the home gate is opened), a high opening is formed in the home gate by folding.

  10, 10A, 10B, 10C: Platform gate device, 12: Platform, 14: Support, 16: Lifting fence, 22: Hollow tube, 24, 50, 58: Balance holding means, 26: Slide, 27: Roller, 29 : Rail, 28, 30: Wire, 32, 34, 36, 38: Pulley, 40: Wire rope, 42: Plate, 44: Chain, 46: Gear, 48: Rotary drive, 52: Shaft, 54: Pinion gear, 56: Rack

Claims (8)

A lifting fence disposed between a pair of columns and guided so as to be movable up and down, and a lifting drive means disposed in at least one column for moving up and down the lifting fence, the lifting fence itself The platform gate device is characterized by comprising balance holding means for matching the heights of both ends. The lifting fence includes at least one hollow tube constituting a horizontal rail, and the balance holding means is fixed to both ends of the hollow tube, and is slidably guided by the pair of support columns. And at least two wires inserted into the hollow tube, one end of at least one wire is connected via a pulley provided at one end of the hollow tube, The other column is guided downwards through the pulley provided at the other end of the hollow tube, and the other end is guided downwardly and stretched in a crank shape. 2. The platform gate apparatus according to claim 1, wherein the remaining wire is stretched in a vertically symmetrical manner. The lifting fence includes at least one hollow tube constituting a horizontal rail, and the balance holding means is fixed to both ends of the hollow tube, and is slidably guided by the pair of support columns. A shaft that is rotatably held through the inside of the hollow tube, pinion gears fixed to both ends of the shaft, and laid in the ascending / descending direction of the elevating fence inside the column, 2. The platform gate device according to claim 1, wherein the platform gate device comprises a rack meshing with a pinion gear. The elevating fence includes a horizontal beam positioned at the center in the vertical direction, and the balance holding means is a slide that is fixed to both ends of the horizontal beam and forms an H-shaped elevating fence strength holding unit together with the horizontal beam. 2. A platform gate device according to claim 1, further comprising: a linear guide that guides the slide so that the slide can be moved up and down at least at two points of the slide between the horizontal rails. . The platform gate device according to any one of claims 2 to 4, wherein the lifting fence includes a plurality of wire ropes parallel to the horizontal rail. The lift fences are arranged in a plurality of rows from the track end of the platform toward the center, and the descending end positions of the lift fences are set so as to be shifted vertically. The platform gate device according to any one of 5. The platform gate device according to any one of claims 1 to 6, wherein the support column is installed at least wider than an opening width of a side door of a railway vehicle. The platform gate device according to any one of claims 1 to 7, wherein at least three columns are installed, and the lifting fence is disposed between the columns.

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