JP2014062407A - Structure and method for fixing platform door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure and a method for fixing a platform door, which enable the platform door to be stably and simply installed on a banking type platform.SOLUTION: A structure for fixing a platform door includes: a concrete slab 2 which is installed on a top surface of fill 32 of a banking type platform 30 formed of the fill and which has the platform door 20 placed on one side; and a rock bolt 3 which has a bolt part 4 penetrating the inside of the fill 32 to be connected to the concrete slab 2 and grout 5 to be injected into the periphery of the penetrating bolt part 4, and which fixes the concrete slab 2 to the fill 32.

Description

  The present invention relates to a platform door fixing structure and a platform door fixing method for fixing a platform door on a platform.

It is desirable that the platform door installed on the platform is newly installed on the existing platform in order to prevent passengers from falling. On the other hand, existing platforms include an embankment type platform having a structure in which an end portion of an embankment portion made of earth and sand is held by a stone or concrete block, and a girder platform made of a steel frame and a concrete plate.
Patent Document 1 discloses a technique related to a temporary home structure when a banking platform is changed to a girder type platform.

JP 2011-196094 A

  In order to install the platform door on an existing platform, it is required that the platform can withstand the load of the platform door and that a duct for laying an electric cable connected to the platform door is required. Moreover, since the platform door installation work is limited to a few hours at midnight when the train is not operating, the construction period tends to be prolonged.

  In the case of an embankment type platform, it may be changed to a girder type platform in order to improve the structure to withstand the load or to install a duct for electric cables, but it takes time to remove the embankment part or to newly install a steel structure. It takes. In addition, during the change work from the embankment platform to the girder platform, it will be a temporary home for a long time.

  Also, even when using stone or concrete blocks at the end of the embankment part without changing to a girder platform, the girder system is used to reinforce the embankment part or to form a space for laying electrical cable ducts. Compared to the platform, the construction period will be longer and the cost will be higher.

  The present invention has been made in view of such circumstances, and provides a platform door fixing structure and a platform door fixing method capable of stably and easily installing a platform door on an embankment type platform. With the goal.

In order to solve the above problems, the platform door fixing structure and the platform door fixing method of the present invention employ the following means.
That is, the platform door fixing structure according to the present invention is a concrete plate-like member that is installed on the embankment upper surface of an embankment type platform formed of embankment and on which one platform door device is placed, and the interior of the embankment A rod-like member that is inserted into the plate-like member and connected to the plate-like member, and a grout that is injected around the penetrated rod-like member, and a support portion that fixes the plate-like member to the embankment. Prepare.

According to this invention, the plate-shaped member made of concrete is installed on the embankment upper surface of the embankment type platform, the plate-shaped member is connected to the bar-shaped member penetrating into the embankment of the platform, and the bar-shaped member of the penetrating It is fixed to the embankment by injecting grout around it. Since the platform door device is placed on a plate-like member fixed to the embankment, the platform door device is stably installed on the platform.
Further, since the plate-like member is fixed to the upper surface of the embankment without removing a large amount of the embankment of the platform, the platform door device can be easily installed.

  The platform door fixing structure according to the present invention is a concrete plate-like member installed on the embankment upper surface of an embankment type platform formed by embankment, on which a platform door device is placed, and the interior of the embankment And a block member that is connected to the plate member and fixes the plate member to the embankment.

According to this invention, the plate-shaped member made of concrete is installed on the embankment upper surface of the embankment type platform, and the plate-shaped member is fixed to the embankment by being connected to the block member installed inside the embankment of the platform. Is done. Since the platform door device is placed on a plate-like member fixed to the embankment, the platform door device is stably installed on the platform.
Further, since the plate-like member and the block member are fixed to the upper surface of the embankment or inside the embankment without removing a large amount of the embankment of the platform, the platform door device can be easily installed.

  In the above invention, the length of the plate-shaped member in the platform extending direction is shorter than the combined length of the closed door portion of the platform door device and the main body portion supporting the door portion, and the main body portion is You may mount in the one end part of the said plate-shaped member.

  According to the present invention, the length of the plate-like member in the platform extending direction is only the length necessary for placing the platform door device. Therefore, when remodeling the embankment platform and installing plate members on the upper surface of the platform embankment, it is necessary to remove only the necessary parts without removing the entire embankment upper surface of the platform. Such labor can be reduced.

  In the above invention, an electric cable connected to the platform door device may be laid along the side surface of the plate-like member.

  According to the present invention, since an electric cable connected to the platform door device, for example, a power cable, a signal cable, and the like is laid along the side surface of the plate member, a separate wiring duct is provided on the lower surface side of the plate member. Etc. need not be installed. If it is going to install the duct for wiring in the lower surface side of a plate-shaped member, it is necessary to remove embankment, but in this invention, removal of embankment becomes unnecessary and an electric cable can be laid easily.

  In the above invention, an electric cable connected to the platform door device may be laid along the back surface of the Braille tile installed on the upper surface of the plate-like member.

  According to the present invention, an electrical cable connected to the platform door device, for example, a power cable, a signal cable, and the like is laid along the back surface of the Braille tile installed on the upper surface of the plate-like member. During laying work and platform door system maintenance work, there is no need to descend down on the track or below the platform, which facilitates the work and improves safety.

  The said invention WHEREIN: The duct by which the said electric cable is laid inside may be installed in the concave groove | channel formed in the said plate-shaped member and formed in the back surface side of the said Braille tile.

  According to this invention, in the plate-like member, the concave groove is formed below the Braille tile and on the back side of the Braille tile, and the duct is provided inside the groove. An electric cable is laid inside the duct. Therefore, since the braille tile is installed on the duct, the electric cable is protected by the duct.

  The platform door fixing method according to the present invention includes a step of installing a concrete plate-like member on the upper surface of the embankment type platform formed by embedding, a step of penetrating a rod-like member into the embankment, and a penetration Injecting grout around the rod-like member, connecting the rod-like member with the plate-like member, and placing a platform door device on one side of the plate-like member.

  In addition, the platform door fixing method according to the present invention includes a step of installing a block member inside an embankment type platform formed by embankment, a step of installing a plate member made of concrete on the upper surface of the block member, Connecting a block member with the plate-like member, and placing a platform door device on one side of the plate-like member.

  According to the present invention, since the plate-like member on which the platform door is placed is fixed by the support portion having the rod-like member and the grout, the platform door can be stably and easily installed on the embankment type platform. .

It is a top view which shows the platform door fixing structure which concerns on 1st Embodiment of this invention. It is a longitudinal cross-sectional view which shows the platform door fixing structure which concerns on 1st Embodiment of this invention. It is a top view which shows the platform door fixing structure which concerns on 1st Embodiment of this invention. It is a partial expanded longitudinal cross-sectional view which shows the concrete plate of the platform door fixing structure which concerns on 1st Embodiment of this invention. It is sectional drawing cut | disconnected by the VV line | wire of FIG. It is a longitudinal cross-sectional view which shows the platform door fixing structure which concerns on 2nd Embodiment of this invention. It is a top view which shows the platform door fixing structure which concerns on 2nd Embodiment of this invention.

[First Embodiment]
Hereinafter, a platform door fixing structure 1 according to a first embodiment of the present invention will be described with reference to the drawings.
The platform door fixing structure 1 according to the present embodiment fixes the platform door 20 to the embankment platform 30.
The platform door 20 includes a door portion 22 and a door pocket portion 21 that supports the door portion 22. A plurality of platform doors 20 are installed on the platform 30 along the extending direction of the platform 30 to prevent passengers from falling from the platform 30. Further, the platform door 20 has an electric cable 40 (see FIGS. 2 and 4) electrically connected to a motor (not shown) and a control panel (not shown) housed in the door pocket 21. Is connected.

  The platform door 20 is a waist height type, for example, and has a height of about 1.3 m to 1.4 m from the installation surface to the top edge of the top plate. The door portion 22 enters and exits the door pocket portion 21 by a transmission mechanism such as a motor driven by electric power and a belt operated by the motor.

  The electric cable 40 is, for example, a power cable or a signal cable. The power cable is connected to a power source outside the platform door 20 and supplies power to, for example, a motor and a control panel. Further, the signal cable connects, for example, a control panel and an external control panel, and a control signal related to opening and closing of the door portion 22 is transmitted and received by the signal cable.

  As shown in FIGS. 2 and 4, the electric cable 40 is laid inside the wiring duct 8. The wiring duct 8 is provided along the extending direction of the platform door 20. The duct 8 for wiring has the accommodating part 8A which accommodates the electric cable 40, and the cover part 8B which covers the accommodating part 8A. Braille tiles 12 (tiles for visually impaired persons) are pasted on the upper surface of the lid 8B. For example, as shown in FIG. 4, the Braille tile 12 includes a plate portion having a thickness of about 2 mm, and a plurality of protrusion portions having a height of about 5 mm protruding from the plate portion.

  With the installation of the platform door 20, it is necessary to lay both the braille tile 12 and the electric cable 40. By installing the wiring duct 8 on the lower side of the Braille tile 12 as in the present embodiment, the laying of the electric cable 40 is completed by the work on the platform 30 together with the laying of the Braille tile 12. Therefore, compared to the case where a wiring duct or an electric cable is laid from the track side in the retreat space under the platform, the installation work is facilitated and the construction period can be shortened.

  The platform door fixing structure 1 includes a plate-shaped concrete plate 2 installed on the upper surface of the embankment 32 of the platform 30, and a lock bolt 3 connected to the concrete plate 2 and fixed inside the embankment 32.

  The concrete plate 2 is a precast concrete plate having a rectangular shape in plan view, and a reinforcing bar corresponding to the strength is disposed inside. On one side of the concrete plate 2, a lock bolt 3 is connected. The rock bolt 3 penetrates the concrete plate 2 and penetrates into the embankment 32. On the other side of the concrete plate 2, a door pocket portion 21 of the platform door 20 is placed. The door pocket portion 21 is fixed to the concrete plate 2 by an adhesive anchor 6 (for example, a chemical anchor).

  The strength of the concrete slab 2 is determined in consideration of the crowd lateral load applied to the platform door 20 when the platform door 20 is placed on the concrete slab 2, the train passing wind load, the typhoon load, and the like. On the upper surface of the concrete plate 2, a stepped portion 2 </ b> A for installing the braille tile 12 is formed.

  As shown in FIG. 2, the lock bolt 3 has a bolt part 4 that penetrates into the embankment 32 and a grout 5 that is injected around the bolt part 4. The concrete plate 2 is fixed to the embankment 32 of the platform 30 by the lock bolt 3. 1 and 3 show an example in which only one lock bolt 3 is installed, a plurality of lock bolts 3 may be installed. Thereby, fixation with respect to the embankment of the concrete plate 2 can be further ensured, and rotation within the surface of the concrete plate 2 can be reliably suppressed.

  The bolt part 4 is a hollow cylindrical member, and a through hole (not shown) is formed in the wall surface of the cylindrical member. After the bolt part 4 is penetrated into the embankment 32, the grout 5 is injected from the upper end part. The injected grout 5 passes through the through hole of the bolt part 4 described above, and is filled in the gap between the embankment 32 and the bolt part 4. When the grout 5 is cured, the bolt part 4 and the grout 5 are integrated. And the upper end part of the bolt part 4 is fixed to the concrete plate 2 using metal fittings (nuts etc.). In addition, the bolt part 4 is not restricted to a cylindrical member, The steel material used for a rock bolt work among anchor works, such as a deformed steel bar and a screw node steel, may be used.

  The strength of the rock bolt 3 and the fixing length in the embankment 32 are determined in consideration of the pulling force generated in the concrete plate 2 by the moment acting on the concrete plate 2. Note that the fixing length also changes depending on the frictional resistance of the embankment 32. The lock bolt 3 can resist the pulling force and prevents the concrete plate 2 from falling to the track side due to the lateral load of the crowd acting on the platform door 20.

  Next, the wiring method of the electric cable 40 of the platform door 20 using the concrete plate 2 according to the present embodiment will be described. As shown in FIGS. 2 and 4, the electric cable 40 has been described with respect to the case where it is installed together with the braille tiles 12 on the upper surface of the concrete plate 2. However, in the present embodiment, the electric cable 40 is wired by another method. Also good.

  For example, the electric cable 40 may be laid inside the wiring duct 10 as shown in FIGS. 3 and 5. The wiring duct 10 is installed along the side surface of the concrete plate 2 in, for example, a first direction along the extending direction of the platform 30 and a second direction orthogonal to the first direction. Thereby, the electric cable 40 is laid along the extending direction of the platform 30 on the side opposite to the track side by the wiring duct 10 and further laid toward the platform door 20. The electric cable 40 is wired in a groove 2 </ b> C formed in the concrete plate 2 in advance and is connected to the platform door 20. The depth of the wiring duct 10 depends on the thickness of the electric cable 40 and the number of electric cables 40 to be installed, but may be shallower than the thickness of the concrete plate 2 as shown in FIG. Thereby, the laying construction of the electric cable 40 connected to the platform door 20 can be performed easily and quickly.

  Moreover, the electrical cable 40 may be laid inside the wiring duct 7 as shown in FIG. The wiring duct 7 is installed along the lower surface of the concrete plate 2 in, for example, a direction along the extending direction of the platform 30. Thereby, the electric cable 40 is laid along the extending direction of the platform 30 on the lower surface side of the concrete plate 2 by the wiring duct 7, and is further erected and laid on the platform door 20. The electric cable 40 is wired in a through hole (not shown) formed in the concrete plate 2 in advance and connected to the platform door 20. By laying the long wiring duct 7 on the lower surface side of the concrete plate 2, it becomes easy to install a plurality of intermittently arranged concrete plates 2 on the same horizontal plane. The wiring duct 7 is laid along the extending direction of the platform 30 after removing the block 33 provided at the end of the embankment 32 of the platform 30.

  Next, an installation method of the platform door 20 using the platform door fixing structure 1 according to the present embodiment will be described.

  When installing the platform door 20 on the existing embankment type platform 30, first, the boundary of the portion where the concrete plate 2 is installed is cut into the floor material 31 from the upper surface of the platform 30 with a cutter. In consideration of the portion where the joint 11 and the wiring duct 10 shown in FIG. 3 are provided, the position where the incision is made is about 10 mm or more outside the concrete plate 2.

  Then, considering the thickness of the concrete plate 2 and the thickness of the leveled concrete and mortar laid on the lower surface of the concrete plate 2, the floor material 31 and the embankment 32 of the portion of the upper surface of the platform 30 where the concrete plate 2 is installed. Remove. Next, after leveling concrete or mortar is applied to the part of the platform 30 from which the floor material 31 and the embankment 32 have been removed, the concrete plate 2 is installed.

  Thereafter, the bolt portion 4 of the lock bolt 3 is inserted into the embankment 32 of the platform 30 from the upper surface side of the concrete plate 2 so that the fixing length is determined in advance, and the grout 5 is inserted from the end portion of the bolt portion 4. inject. Thereby, the lock bolt 3 is installed on the embankment 32. Further, the upper end of the rock bolt 3 on the ground side and the concrete plate 2 are connected. Next, joint material is applied to the gap between the upper surface of the existing platform 30 and the newly installed concrete plate 2 to form the joint 11. From the above, the concrete plate 2 is fixed to the embankment 32 of the platform 30.

  And the door pocket part 21 of the platform door 20 is installed in the upper surface of the concrete plate 2, and the door pocket part 21 is fixed with respect to the concrete plate 2 with the adhesive anchor 6 grade | etc.,. Thereby, the installation of the platform door 20 is completed. The concrete plate 2 is installed in a portion where the floor material 31 and the embankment 32 on the upper surface of the existing platform 30 are cut out, and is restrained by the existing floor material 31 and joints 11. There is no rotation.

  As described above, according to the present embodiment, the concrete plate 2 is installed on the upper surface of the embankment 32 of the embankment platform 30. The concrete plate 2 is connected to the lock bolt 3 penetrating into the embankment 32 of the platform 30, and the grout 5 is injected around the bolt portion 4 of the penetrated lock bolt 3 to be hardened. Fixed against. Since the platform door 20 is placed on the concrete plate 2 that is securely fixed to the embankment 32, the platform door 20 is stably installed on the platform 30.

  Moreover, the concrete plate 2 is fixed by removing only the necessary amount of the floor material 31 and the fill 32 in order to install the concrete plate 2 without removing the fill 32 of the platform 30 on a large scale. Therefore, according to this embodiment, the platform door 20 can be installed easily. That is, the length of the concrete plate 2 in the extending direction of the platform 30 is only a length necessary for placing the platform door 20 as shown in FIG. Therefore, when the embankment type platform 30 is refurbished and the concrete plate 2 is installed on the upper surface of the embankment 32 of the platform 30, only the necessary portions are removed without removing all the floor materials 31 and embankments 32 in the extending direction of the platform 30. Therefore, the labor and cost for fixing the platform door 20 can be reduced.

  In addition, the construction work from the embankment platform to the girder platform and the construction work of electrical cables etc. in the evacuation space under the platform are not required, so work from the track side can be omitted or reduced, and safety during work Will improve. Moreover, the installation period of the temporary home can be shortened, and it becomes easy to ensure the safety of passengers.

[Second Embodiment]
Next, a platform door fixing structure 1 according to a second embodiment of the present invention will be described with reference to FIGS. In the following, configurations and operations different from those of the first embodiment will be described, and redundant descriptions will be omitted.

  The platform door fixing structure 1 according to the first embodiment described above includes the concrete plate 2 and the lock bolt 3, but the platform door fixing structure 1 according to the present embodiment has a concrete block 51 and a fixing bolt instead of the lock bolt 3. 52, and the platform door 20 is fixed by a counterweight method. Thereby, the platform door 20 can be stably fixed on the platform 30 even on a soft ground in which the N value of the embankment 32 of the embankment platform 30 is about 2.

  A plurality of (four in the example of FIG. 5) fixing bolts 52 are connected to the side of the concrete plate 2 opposite to the side on which the door pocket portion 21 is fixed. The fixing bolt 52 passes through a plurality of concrete blocks 51 provided inside the platform 30 and is connected to the concrete plate 2. The fixing bolt 52 is fastened with a nut 53 on the upper surface of the concrete plate 2 via, for example, a washer 54.

  The concrete block 51 is installed on the lower surface side of the concrete plate 2. The strength, weight, cross-sectional area, depth, and the like of the concrete block 51 are determined in consideration of the moment acting on the concrete plate 2. The concrete block 51 prevents the concrete slab 2 from falling to the track side due to the lateral load of the crowd acting on the platform door 20. In the example shown in FIGS. 6 and 7 of the present embodiment, an example is shown in which two concrete blocks 51 are stacked in three stages. Thus, by making the concrete block 51 into a plurality of members, transportation and attachment can be facilitated and workability can be improved.

  Next, an installation method of the platform door 20 using the platform door fixing structure 1 according to the present embodiment will be described.

  In the case of the second embodiment, unlike the first embodiment, in addition to the concrete plate 2 and the leveled concrete and mortar laid on the lower surface of the concrete plate 2, the platform 30 is considered in consideration of the portion in which the concrete block 51 is embedded. The floor material 31 and the embankment 32 of the part which installs the concrete slab 2 among the upper surfaces of are removed. Next, the concrete blocks 51 are stacked and installed on the platform 30 where the floor material 31 and the embankment 32 are removed. At this time, the fixing bolt 52 is passed through the concrete block 51. Then, after applying leveled concrete or mortar, the concrete plate 2 is installed while the fixing bolts 52 are passed through the through holes of the concrete plate 2.

  Thereafter, the washer 54 is passed through the upper end portion of the fixing bolt 52 on the upper surface side of the concrete plate 2, and then the nut 53 is fastened. Thereby, the concrete block 51 and the concrete plate 2 are connected via the fixing bolt 52. Next, joint material is applied to the gap between the upper surface of the existing platform 30 and the newly installed concrete plate 2 to form joints. As described above, the concrete plate 2 is stably fixed on the platform 30.

  And the door pocket part 21 of the platform door 20 is installed in the upper surface of the concrete plate 2, and the door pocket part 21 is fixed with respect to the concrete plate 2 with the adhesive anchor 6 grade | etc.,. Thereby, the installation of the platform door 20 is completed. The concrete plate 2 is installed in a portion where the floor material 31 and the embankment 32 on the upper surface of the existing platform 30 are cut out, and is restrained by the existing floor material 31 and joints 11. There is no rotation.

  As described above, according to the present embodiment, the concrete plate 2 is installed on the upper surface of the embankment 32 of the embankment platform 30. The concrete plate 2 is fixed to the platform 30 by being connected to the concrete block 51 by fixing bolts 52. Since the platform door 20 is placed on the concrete plate 2 that is securely fixed to the platform 30, the platform door 20 is stably installed on the platform 30.

  Moreover, the concrete plate 2 removes the floor material 31 and the embankment 32 as much as necessary to install the concrete plate 2 without removing the embankment 32 of the platform 30 on a large scale, as in the first embodiment. Just fixed. Therefore, according to this embodiment, the platform door 20 can be installed easily. Therefore, it is possible to reduce labor and cost for fixing the platform door 20.

1 Platform door fixing structure 2 Concrete plate (plate-like member)
3 Rock bolt (support)
4 Bolt part (bar-shaped member)
5 Grout 12 Braille tile 20 Platform door 21 Door part 22 Door part 30 Platform 51 Concrete block 52 Fixing bolt

Claims (8)

A concrete plate-like member which is installed on the embankment upper surface of the embankment platform formed by embankment and on which one platform door device is placed;
A bar-like member that penetrates into the embankment and is connected to the plate-like member, and a grout that is injected around the penetrated bar-like member, and supports the plate-like member with respect to the embankment And
Platform door fixing structure. A concrete plate-like member which is installed on the embankment upper surface of the embankment platform formed by embankment and on which one platform door device is placed;
A block member installed inside the embankment and connected to the plate-like member, and fixing the plate-like member to the embankment;
Platform door fixing structure.   The length of the plate-like member in the platform extending direction is shorter than the combined length of the closed door portion of the platform door device and the main body portion supporting the door portion, and the main body portion is the plate-like member. The platform door fixing structure according to claim 1, which is placed at one end of the platform door.   The platform door fixing structure according to claim 1 or 2, wherein an electric cable connected to the platform door device is laid along a side surface of the plate-like member.   The platform door fixing structure according to claim 1 or 2, wherein an electric cable connected to the platform door device is laid along a back surface of a Braille tile installed on an upper surface of the plate-like member.   The platform door fixing structure according to claim 4, wherein a duct in which the electric cable is laid is installed in a concave groove formed in the plate-like member and formed on the back side of the Braille tile. Installing a concrete plate-like member on the upper surface of the embankment platform formed by embankment;
Penetrating a rod-shaped member into the embankment;
Injecting grout around the penetrating rod member;
Connecting the rod-shaped member to the plate-shaped member;
Placing a platform door device on one side of the plate member;
Including platform door fixing method. Installing a block member inside an embankment type platform formed by embankment;
Installing a concrete plate-like member on the upper surface of the block member;
Connecting the block member with the plate member;
Placing a platform door device on one side of the plate member;
Including platform door fixing method.

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