JP2017017801A - Laying structure for cable for platform door, and cable cabinet for platform door used therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a laying structure for a cable for platform door for realizing a structure which reduces the quantity of soil to be excavated and eliminates the need of a cable rack, and a cable cabinet for platform door.SOLUTION: The laying structure for the cable for platform door comprises: a plurality of horizontal beams 1 of which one-end side is supported by a steel pipe pile 5 and which extend to a line side and are disposed in parallel; and a cable cabinet 10 of a housing which includes a vertical wall and a bottom plate, of which the cross section is substantially L-shaped and which has a length direction. Between the neighboring horizontal beams among the plurality of horizontal beams, a banking excavation space is formed with a substantially equal height to that of the horizontal beams. In the banking excavation space, a vertical wall 11 of the cable cabinet is inserted and disposed so as to form an end dam of excavation in a depth direction of the banking excavation space. In the horizontal beam, a cable hole 7 is formed correspondingly to a position of the cable cabinet to be inserted and disposed in the excavation space. A cable 32 disposed in the cable cabinet for supplying power and a control signal communicates through the cable hole that is formed in the horizontal beam, onto the cable cabinet in the neighboring banking excavation space.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a laying structure of a home door cable and a home door cable cabinet used therefor.

  It is becoming popular to install a safety fence home door on a banking type existing railway platform (hereinafter simply referred to as a banking type platform).

  The platform door of the safety fence is controlled to open and close in response to arrival and departure of the train. Therefore, when the platform door of the safety fence is attached to the existing railway platform, it is necessary to connect the power line and the signal line in order to control the opening and closing of the platform door.

  In other words, when installing a home door on an existing embankment type platform, change to a girder structure, and power and signal cables under the precast concrete board (PC board) where the control part of the home door is installed It is necessary to secure a route.

  For this purpose, the cable route that has been studied so far has been excavated from the embankment under the platform, and a steel retaining plate is placed on the back side of the platform between the cross beams to secure the cable space. Is. Further, a rack for holding cables is attached to the cable space.

FIG. 1 is a perspective view for explaining a construction structure of a cable for a home door that secures the cable space that has been studied. In FIG. 1, the right side is the track side and the left side is the home side. In the direction along the track, both sides of the platform door are omitted.
The embankment 100 is protected by a retaining wall 40 composed of a plurality of blocks on the track side. In FIG. 1, a shelter opening 40 a is shown in the middle of the continuous retaining wall 40.

  For example, a steel pipe pile 5 is laid as a strut pile on the home side, and the horizontal girder 1 whose one end is supported by the steel pipe pile 5 is newly provided in parallel at a predetermined interval. Further, a PC plate (slab plate) 2 is installed on the parallel beam 1 in parallel. In FIG. 1, a perforated PC plate is used as the slab plate 2. A control unit 21 that controls the opening / closing of the home door 22 of the home door 20 via the tip tile 3 is placed on the slab plate 2. A decorative board 6 is laid around the tip tile 3. The rear side of the decorative plate 6 continues to the home plane.

  Next, a cable space 31 is provided by excavation below the slab plate 2. On the excavation home side, earth retaining is performed by the steel plate 4. Similarly, the cable rack 30 made of steel is formed on the covering material 30a such as gravel in the cable space 31. A power and control signal cable 32 is accommodated on the cable rack 30 so as to run below the cross beam 1.

  2A and 2B are detailed views for explaining the formation of the cable space 31. FIG. 2A is a cross-sectional view of the cross 1 part along the line AA in FIG. 1, and FIG. 2B is a cross-sectional view along the BB line at an intermediate position between the parallel crosses 1 in FIG. .

In FIG. 2A, one end of the cross beam 1 is supported by the steel pipe pile 5 and the other end is placed on an elastic rubber-like saddle 18 fixed to the base with an anchor bolt 17. Further, the PC plate 2 is fixed to the cross beam 1 by bolts 16. In addition, the member 19 adjusts the space | interval of the cross beam 1 and a base, and ensures the space which lets a cable pass to the embankment side.
Furthermore, the cable rack 30 made of steel is formed, and the cable 32 placed thereon is connected to the section of the adjacent cross beam 1 through the lower side of the cross beam 1.

JP 2007-300742 A JP 2008-283778 A JP 2008-283379 A

  In the laying structure of the home door cable described so far described above, it is necessary to pass the cable 32 under the cross beam 1. Furthermore, it is necessary to form a cable rack 30 on which the cables 32 are placed. Therefore, the height of excavation needs to be equal to or higher than the cross beam 1, and the amount of excavated soil is inevitably increased.

  Further, as shown in FIGS. 2A and 2B, it is necessary to fix the steel plate 4 for earth retaining to the perforated PC plate 2 and the cross beam 1. Furthermore, it is necessary to fix the home side at the back side of the excavation space, and the current state of installation of the steel plate 4 is a two-stage earth retaining from the work procedure, and a lot of labor is required for fixing. Moreover, since installation of the steel cable rack 30 is also required, a lot of cost and construction period are required.

  For this reason, in view of the conventional laying structure of the cable for a home door that has been studied, the construction on the existing platform needs to be performed in a short time at night when the train is not operated. Therefore, it is desirable to reduce the amount of excavated soil and to change to a structure that does not require a cable rack.

  Therefore, in view of the above points, an object of the present invention is to provide a cable laying structure for a home door that realizes a structure that reduces the amount of excavated soil and eliminates the need for the cable rack 30A, and a home door cable cabinet used therefor. It is to provide.

  A first mode for solving the above-described problems of the present invention is a laying structure of a home door cable for laying a cable for supplying power and a control signal to a platform door installed on a banking type existing platform, One end side is supported by a pillar pile embedded on the platform side, extends to the track side, and has a plurality of horizontal piles arranged in parallel, a wall and a bottom plate, and a cross section is formed in an approximately L shape. A bank cabinet having a direction is provided, and an embankment excavation space having a height substantially equal to the height of the lateral pile is formed between adjacent lateral piles of the plurality of lateral piles, and the cable is disposed in the embankment excavation space. A cabinet is inserted and arranged such that the dredging wall forms a retaining ring for excavation in the depth direction of the embankment excavation space, and a cable passage corresponding to a position where the cabinet is inserted and arranged in the excavation space. Is connected to the cable cabinet in the adjacent embankment excavation space through the cable through hole formed in the cross beam. It is characterized by doing.

  As a first aspect of the first embodiment for solving the problems of the present invention, the casing of the cable cabinet is made of resin.

  In the first mode or the first mode for solving the problems of the present invention, as a second mode, the casing of the cable cabinet has at least one partition plate in the longitudinal direction, and the power is supplied. A cable to be supplied is laid on the side closer to the wall than the partition plate, and a cable for supplying the control signal is laid on the opposite side of the partition plate.

  In the second aspect of the first aspect for solving the above-mentioned problems of the present invention, as a third aspect, during the laying of the cable for supplying the power and the cable for supplying the control signal, After the fastening member is installed and the cable is laid, a holding metal fitting for fixing the cable is provided in the housing.

  A second embodiment for solving the above-described problems of the present invention is a cable cabinet disposed in a route for laying a cable for supplying power and a control signal to a platform door installed on a banking type existing platform, It has a bottom plate, a cross section is formed in a substantially L shape, has a casing having a longitudinal direction, one end side is supported by a pillar pile embedded on the embankment type existing platform side, extends to the track side, and in parallel It is inserted and arranged at a position corresponding to the cable through hole formed in the horizontal pile, in the embankment excavation space having the same height as the horizontal pile formed between the adjacent horizontal piles. The dredging wall is configured to form a retaining ring for excavation in the depth direction of the embankment excavation space.

  As a 1st aspect in the 2nd form which solves the subject of the above-mentioned present invention, the case of the cable cabinet is made of resin.

  In the second mode for solving the above-mentioned problems of the present invention, or in the first mode, as the second mode, at least one partition plate is provided in the longitudinal direction of the casing of the cable cabinet, and the power is supplied. The cable to be installed is laid on the side closer to the wall than the partition plate, and the cable for supplying the control signal is laid on the opposite side of the partition plate.

  In the second form for solving the above-mentioned problems of the present invention, or in the second aspect thereof, as a third form, the casing of the cable cabinet has an end side of the bottom plate on the side opposite to the wall as described above. It has a rising part smaller than the height of the ridge wall.

  In the third mode of the second mode for solving the above-mentioned problems of the present invention, as the fourth mode, the rising portion is configured to be removable by a fitting structure on an end side of the bottom plate. And

  In the third aspect of the second embodiment that solves the above-mentioned problems of the present invention, as the fifth embodiment, the rising portion is cut out so that the height of at least one portion is smaller than the other height. It is formed.

It is a schematic diagram explaining the laying structure of the cable for home doors until now examined. It is a cross-sectional schematic diagram of the cross beam 1 part in FIG. It is a cross-sectional schematic diagram of the intermediate position between the parallel beams 1 in FIG. It is a schematic diagram explaining the laying structure of the cable for home doors according to this invention. It is a cross-sectional schematic diagram of the cross beam part in FIG. It is a cross-sectional schematic diagram of the intermediate position between the cross beams in FIG. FIG. 4B is a schematic diagram showing again the cross section at the cross beam position shown in FIG. 4A. It is sectional drawing which follows the XX line of FIG. It is sectional drawing which follows the YY line | wire of FIG. It is the top view which looked at FIG. 5 from the upper direction of the platform door. It is an Example sectional drawing of the cable cabinet for home doors used for the laying structure of the cable for home doors according to this invention. It is a figure explaining fixation of the cable for electric power and control signal mounted in a cable cabinet. It is a perspective view of a cable cabinet. It is the Example which made the standing | starting-up part shown corresponding to FIG. 7A the fitting structure which can be attached or detached to a bottom face board. It is a figure explaining fixation of the cable for electric power and control signal mounted in the cable cabinet in FIG. 9A. It is the Example which provided the notch part in the standup | rising part shown corresponding to FIG. 7A.

  Embodiments of the present invention will be described below with reference to the drawings. The drawings are for the purpose of understanding the invention, and the scope of protection of the invention is not limited to such illustrated embodiments, but extends to the claims and their equivalents.

  FIG. 3 is a schematic view of an embodiment for explaining the laying structure of the platform door cable according to the present invention. In FIG. 3, the right side is the track side and the left side is the home side.

  Similar to the laying structure shown in FIG. 1, a plurality of cross beams 1 each having one end supported by a steel pipe pile 5 as a support pile are laid in parallel. For the cross beam 1, H steel is used, and a cable through hole 7 is formed on the tip side of the home.

  4A and 4B are cross-sectional views illustrating in more detail the characteristics of the laying structure of the platform door cable according to the present invention. FIG. 4A is a cross-sectional view of the cross 1 part along the line AA in FIG. 4B is a schematic cross-sectional view of an intermediate position between the parallel beams 1 along the line BB in FIG. 3.

  In FIG. 4A, the cross beam 1 is formed of H steel, supported on a steel pipe pile 5 laid on the home side on one end side, and extended on the track side on the shoe seat 18 fixed to the base with anchor bolts 17. It is on. Further, the cross beam 1 is fixed to the PC plate 2 with bolts 16.

  On the lower surface side of the slab plate 2, the embankment is excavated at a height substantially equal to the height of the cross beam 1. The cable cabinet 10 to be inserted is inserted, and excavation earthing is performed at the wall 11.

  Further, a cable through hole 7 is provided in the cross beam 1 corresponding to the position of the cable cabinet 10 to be inserted.

In FIG. 4B, the control unit 21 of the home door 20 is fixed to the slab plate 2 with bolts 23.
In the cable cabinet 10 inserted into the excavation region on the lower surface of the slab plate 2, the bottom plate 12 is fixed to the base with anchor bolts 17.

  With such a structure, the excavation height becomes smaller than that of the cross beam 1 as compared with the structure of FIG. 1, so that the amount of excavated soil can be reduced.

  FIG. 5 is a schematic diagram showing a cross-section again at the position of the cross beam 1 shown in FIG. 4A. An enlarged view of a circled region is shown on the lower left side of FIG.

  From the track side A toward the home side depth direction B, the lower embankment of the PC board 2 is excavated at a height corresponding to the height of the cross beam 1. Next, the home door cable cabinet 10 is inserted so that the wall 11 is located on the back side, and the excavation wall is earthed with the wall 11.

  Further, when the earthing is performed in the home door cable cabinet 10, the power and control signal cables 32 are passed through the cable through hole 7 of the cross beam 1 and straddled between the cross beams 1. It can be placed on the bottom plate 12 of the cable cabinet 10. In the illustrated embodiment, two round holes 7 are provided.

In FIG. 5, the power and control signal cables 32 arranged on the bottom plate 12 are divided into a power cable and a control signal cable by the separator 13 and fixed by the holding metal fitting 14 screwed by a screw 14 a. Retained.
Furthermore, as will be described in detail later, the separator 13 is a plate member having a predetermined height and extending along the length of the cable cabinet 10, and is inserted and fixed in the groove portion 13b of the receiving member 13a.

  6A is a cross-sectional view taken along line XX in FIG. 5, and FIG. 6B is a cross-sectional view taken along line YY. Further, FIG. 6C is a schematic plan view of FIG. 6A viewed from above the home door 20. In FIG. 6C, the upper side corresponds to the track side, and the lower side corresponds to the platform side, and the platform door 20 is not shown.

FIG. 6A shows a state in which the platform door cable cabinet 10 is arranged on the front side of the cross beam 1. Further, a PC plate (slab plate) 2 is installed on the parallel beam 1 and the control unit 21 of the home door 20 is placed on the slab plate 2 via the tip tile 3. In this embodiment, the PC board 2 having no holes is used.
The control unit 21 of the home door 20 controls the opening and closing of the home door 22 and stores the home door 22 when the door is opened. The control unit 21 is fixed to the PC plate 2 supported by the cross beam 1 via the slab plate 2 and the tip tile 3 with bolts 23 at a plurality of locations. Further, the control unit 21 introduces and connects the power cable and the control signal cable 32 through the opening 24 of the PC board 2.

  In FIG. 6B, the PC board 2 is supported by the cross beam 1 on the home side. Further, as shown in FIG. 6C, the PC board 2 is divided and formed into a plurality of regions.

  FIG. 7A is a cross-sectional view of an embodiment of the home door cable cabinet 10 used in the laying structure of the home door cable according to the present invention.

It has a casing having a longitudinal direction and having an eaves wall 11 and a bottom plate 12 and a substantially L-shaped cross section. Furthermore, the bottom plate 12 has a rising portion 15 along the end side opposite to the wall 11. The rising portion 15 can prevent the power and control signal cables 32 placed on the bottom plate 12 from falling off.
In addition, the bottom plate 12 includes a receiving member 13a having a groove 13b into which the separator 13 is inserted.

  FIG. 7B is a diagram illustrating the fixing of the power and control signal cables 32 placed on the cable cabinet 10. After the power and control signal cables 32 are arranged along the longitudinal direction (perpendicular to the paper surface) by the separator 13 provided on the bottom plate 12, the power and control signal cables 32 are fixed by the holding metal fittings 14. The

  At this time, it is desirable from the viewpoint of maintenance that the power cable is disposed on the side of the wall 11 from the separator 13 and the control signal cable having a greater opportunity for correction than the power cable is disposed on the side opposite to the wall 11 from the separator 13. .

  FIG. 8 is a perspective view of the cable cabinet 10, which is an L-shaped cross section having a wall 11 and a bottom plate 12 and has a longitudinal direction. In the cable cabinet 10, the power and control signal cables 32 separated by the separator 13 held by the separator receiving member 13a are arranged along the longitudinal direction. Further, the power and control signal cables 32 are fixed at a plurality of locations by the holding metal fittings 14 that are screwed.

  Here, the above-described cable cabinet 10 may be made of steel or concrete, but is preferably made of a resin that is light in weight because of easy transportation and laying in laying work.

  9A and 9B are cross-sectional views of another embodiment of the platform door cable cabinet 10 corresponding to FIGS. 7A and 7B, respectively. In this embodiment, there is no rising portion 15 (see FIG. 7A) on the side opposite to the ridge wall 11, and the power and control signal cable 32 is easily laid and maintained.

  That is, in FIG. 7A and FIG. 7B, the rising portion 15 prevents the cable to be laid off, but when laying the cable, it is necessary to work over the rising portion 15. Further, during maintenance, it is necessary to secure a space for performing work by inserting a hand between the PC plate (slab plate) 2 and the end portion of the rising portion 15.

  Therefore, in the case of the embodiment shown in FIG. 9A and FIG. 9B corresponding to FIG. 7A and FIG. 7B, the rising portion 15 is a retaining member 15A having a fitting structure that can be attached to and detached from the bottom plate 12 and attached after the cable is laid. This is an example that makes it possible. As a result, the work can be performed by removing the retaining member 15A from the bottom surface portion 12 at the time of work, so that the work of cable laying and maintenance is easy. By fitting the retaining member 15 </ b> A into the bottom surface portion 12, it is possible to prevent the cable laid from dropping off.

  FIG. 10 shows still another embodiment of the rising portion 15. The example shown in FIG. 10 is an example in which at least one notch 150 is provided at a predetermined interval along the length direction of the rising portion 15.

  By providing the notch portion 150 in this manner, the rising portion 15 is not provided at this portion, and a work hand can be inserted through the notch portion 150. Therefore, maintenance work can be facilitated.

  As described above, by using the L-shaped platform door cable cabinet (cable trough) 10 according to the present invention, it is possible to simultaneously perform excavation retaining and placement of the power and control signal cables 32. it can.

  Furthermore, by providing a cable through hole in the portion of the cross beam 1 at a position corresponding to the cable cabinet 10, the cable can be easily connected to the adjacent cross beam 1. Thereby, the cable rack 30A in the conventional construction method can be made unnecessary.

  In addition, by using a resin cabinet for the home door cable cabinet (cable trough) 10, the use of the conventional heavy steel material retaining material 4 can be replaced with a lightweight resin cable cabinet 10 for earth retaining. .

  In summary, since the excavated soil amount can be reduced and the earth retaining steel material and the cable rack can be realized by an integrated cable cabinet, the workability can be improved and the construction period can be shortened.

1 Cross girder 2 Precast concrete board (PC board)
3 Tip tile 4 Steel plate for earth retaining 5 Steel pipe pile 6 Decorative plate
7 Cable through hole 10 Home door cable cabinet (cable trough)
11 Cable trough wall 12 Cable trough bottom plate 13 Partition plate (Separator)
13a Separator receiving member 13b Separator insertion groove 14 Holding bracket 14a Screw 15 Standing portion 15A Fastening member 16 Bolt
17 Anchor bolt 18 Scorpio 20 Home door 21 Control unit 22 Home door 23 Bolt 24 PC board opening 30 Cable rack 30a Graveling material 31 Cable space 32 Power and control signal cable 40 Retaining wall 40a Retraction port

A first mode for solving the above-described problems of the present invention is a laying structure of a home door cable for laying a cable for supplying power and a control signal to a platform door installed on a banking type existing platform, One end side is supported by a pillar pile embedded on the platform side, extends to the track side, and has a plurality of cross beams arranged in parallel, a ridge wall and a bottom plate, and the cross section is formed in an approximately L shape. A bank cabinet having a direction, a bank excavation space having a height substantially equal to the height of the cross beam is formed between adjacent cross beams of the plurality of cross beams , and the cable is formed in the bank excavation space cable cabinet, corresponding to the position where the縱壁said inserted arranged to form a soil retaining the depth direction of the drilling embankment drilling space and is inserted in the said embankment excavation space of the cable cabinet A cable for supplying power and control signals is formed in the cross girder through the cable through hole formed in the cross girder and a cable hole in the adjacent embankment excavation space is formed in the cross girder. It is characterized by communicating with.

A second embodiment for solving the above-described problems of the present invention is a cable cabinet disposed in a route for laying a cable for supplying power and a control signal to a platform door installed on a banking type existing platform, It has a bottom plate, a cross section is formed in a substantially L shape, has a casing having a longitudinal direction, one end side is supported by a pillar pile embedded on the embankment type existing platform side, extends to the track side, and in parallel In the embankment excavation space having a height substantially the same as the height of the cross beam formed between the adjacent cross beams arranged, it is inserted and arranged at a position corresponding to the cable through hole formed in the cross beam. The dredging wall is configured to form a retaining ring for excavation in the depth direction of the embankment excavation space.

Claims (10)

A laying structure of a cable for a home door laying a cable for supplying power and a control signal to a platform door installed on a banking type existing platform,
One end side is supported by a pillar pile embedded on the embankment type existing platform side, extends to the track side, and a plurality of horizontal piles arranged in parallel,
A cable cabinet with a casing having a wall and a bottom plate, a cross-section formed in a substantially L shape, and having a longitudinal direction,
Between the adjacent horizontal piles of the plurality of horizontal piles, an embankment excavation space having a height substantially the same as the height of the horizontal piles is formed,
The cable cabinet is inserted and arranged in the embankment excavation space such that the dredging wall forms a retaining ring for excavation in the depth direction of the embankment excavation space,
A cable through hole corresponding to a position to be inserted and arranged in the excavation space of the cable cabinet is formed in the cross beam,
A cable for supplying the power and control signal arranged in the cable cabinet communicates with the cable cabinet in the adjacent embankment excavation space through a cable through hole formed in the cross beam.
The laying structure of the cable for the home door characterized by this. In claim 1,
The laying structure of the cable for a home door, wherein the casing of the cable cabinet is made of resin. In claim 1 or 2,
The casing of the cable cabinet has at least one partition plate in a longitudinal direction, the cable for supplying the power is laid on the side closer to the wall than the partition plate, and the cable for supplying the control signal is Laid on the opposite side of the partition plate,
The laying structure of the cable for the home door characterized by this. In claim 3,
During the laying of the cable for supplying the power and the cable for supplying the control signal, a retaining member for preventing dropping is installed, and after the cable is laid, a holding metal fitting for fixing the cable is attached to the casing. Have
The laying structure of the cable for the home door characterized by this. A cable cabinet arranged in a route for laying a cable for supplying power and control signals to a platform door installed on an embankment-type existing platform,
It has a casing having a longitudinal direction with a cross-section formed in a substantially L shape with a wall and a bottom plate,
An embankment excavation space with one end supported by a pillar pile embedded on the embankment type existing platform side, extending to the track side and formed between adjacent lateral piles arranged in parallel with the height of the horizontal pile. It is inserted and arranged at a position corresponding to the cable through hole formed in the horizontal pile, and the dredging wall is configured to form an earth retaining for excavation in the depth direction of the embankment excavation space.
A cable cabinet characterized by that. In claim 5,
The cable cabinet has a casing made of resin. In claim 5 or 6,
The cable cabinet has at least one partition plate in a longitudinal direction of the housing, the cable for supplying power is laid on the side closer to the wall than the partition plate, and the cable for supplying the control signal is Laid on the opposite side of the partition plate,
A cable cabinet characterized by that. In claim 5 or 6,
The casing of the cable cabinet has a rising portion whose end side of the bottom plate opposite to the wall is smaller than the height of the wall.
A cable cabinet characterized by that. In claim 8,
The rising portion is configured to be removable by an inset structure on an end side of the bottom plate,
A cable cabinet characterized by that. In claim 8,
The rising portion is formed in a cutout shape so that the height of at least one place is smaller than the other heights.
A cable cabinet characterized by that.