JP7365889B2 - Platform door device and how to install the platform door device - Google Patents

Description

The present disclosure relates to a platform door device and a method of installing the platform door device.

A platform door device is a kind of automatic door device installed on the platform of a railway station. The platform door device is opened when a train is not stopped on the tracks adjacent to the platform to prevent passengers staying on the platform from falling onto the tracks, and when a train arrives, the doors are opened and the door is opened to prevent passengers staying on the platform from falling onto the tracks. allow passengers to board and alight from the train. Further, a typical platform door device includes a door pocket fixed to a platform, and a door body supported by the door pocket so as to be movable forward and backward.

When installing the platform door device on the platform, it is necessary to firmly fix the door pocket to the platform. For this purpose, the door pocket is fixed to the platform via a plurality of mounting parts.

Patent Document 1 discloses fixing a door pocket to a platform via two slab plates (installation parts) arranged at intervals in the direction in which the door moves forward and backward. In addition, the slab board is firmly fixed to the platform using spiral piles. Therefore, the platform door device described in Patent Document 1 is firmly fixed to the platform.

Japanese Patent Application Publication No. 2019-143449

However, since the platform door device described in Patent Document 1 requires two slab boards, there is a problem that installation work is time-consuming. That is, since it is necessary to arrange two slab plates in the direction in which the door advances and retreats, and to make the interval between them the same as the dimensions of the door compartment, there is a problem that positioning the slab plates in a horizontal plane takes time and effort. Furthermore, in order to horizontally install the door pocket, it is necessary to align the installation heights of the slab boards, so there is a problem in that it takes time and effort to adjust the installation heights of the slab boards.

The above problem is not limited to the case where a slab board is used to fix the platform door device. This problem is common when the installation parts are arranged at intervals in the direction in which the door moves forward and backward.

The present disclosure has been made in view of the above problems, and aims to provide a platform door device that is easy to install.

In order to achieve the above object, a platform door device according to the present disclosure is a platform door device including a door pocket fixed to a platform and a door body supported by the door pocket so as to be movable forward and backward, the platform door device being fixed to the platform. The door pocket is equipped with a single installation part, and the door pocket is fixed by the single mounting part, and the tip of the jack bolt contacts the platform and is screwed into the door pocket to advance and retreat in the vertical direction with respect to the door pocket. It is equipped with the following .

According to the present disclosure, since the door pocket is fixed to the platform via a single installation part, the effort required for adjusting the position of the installation part is halved compared to the case where two installation parts are used. Therefore, the installation work of the platform door device becomes easy and the number of man-hours is reduced.

1 is a diagram of a platform door device according to an embodiment of the present disclosure viewed from the platform side, in which (A) is an external view of the platform door device 1, and (B) is a diagram showing the internal structure of the platform door device. 2 is an explanatory diagram illustrating the detailed configuration of the installation plate included in the platform door device shown in FIG. 1, in which (A) is a plan view of the installation plate seen from above, and (B) is a plan view of the installation plate seen from the platform side. side view FIG. 2 is an explanatory diagram illustrating the detailed configuration of the jack bolt provided in the platform door device shown in FIG. Side view from the platform side FIG. 6 is a diagram showing another configuration of the jack bolt, in which (A) is a side view of the jack bolt showing an example in which a receiving plate is interposed between the jack bolt and the platform, and (B) is an example in which the receiving plate is provided with a recess. side view of jack bolt showing FIG. 2 is an explanatory diagram chronologically explaining a method for installing and fixing the platform door device shown in FIG. ) is a diagram showing the process of installing and fixing the installation plate on the platform, and (C) is a diagram showing the process of fixing the door pocket of the platform door device to the installation plate. FIG. 6 is a diagram showing the configuration of a frame included in a platform door device according to Modification Example 1, in which (A) is a plan view of the horizontal frame viewed from above, and (B) is a plan view of the horizontal frame shown in (A). A sectional view taken along the plane indicated by line AA' in A) It is a figure showing the operation of the platform door device concerning modification 2, and is a figure showing a state where two platform door devices are arranged to constitute a double sliding door. FIG. 6 is a diagram showing the configuration of a connecting member provided in a platform door device according to Modification Example 2, in which (A) is a configuration diagram of a connecting member that uses magnetic force, and (B) is a diagram showing a configuration of a connecting member using a convex member or a concave member. Diagram showing an example of FIG. 6 is a diagram showing the configuration of a connecting member included in a platform door device according to Modification Example 2, in which (A) is a diagram showing an example including a spring element that causes a convex member to protrude toward the door edge; A diagram showing an example including an actuator that moves the member forward and backward, and (C) a diagram showing an example including a link mechanism between the convex member and the actuator.

Hereinafter, the configuration and operation of a platform door device according to an embodiment of the present disclosure will be described in detail with reference to the drawings. In addition, in each drawing, the same or equivalent parts are given the same reference numerals.

FIGS. 1A and 1B are diagrams of a platform door device 1 according to an embodiment of the present disclosure viewed from the platform side. FIG. 1(A) is an external view of the platform door device 1, and FIG. 1(B) is a diagram showing the internal structure of the platform door device 1. Further, FIG. 1(A) shows the platform door device 1 in a closed state, and FIG. 1(B) shows the platform door device 1 in an open state.

As shown in FIGS. 1A and 1B, the platform door device 1 includes a door pocket 3 fixed to a platform 2, and a door body 4 supported by the door pocket 3 so as to be movable forward and backward. As shown in FIG. 1(A), when the platform door device 1 is in the closed state, the door body 4 is pulled out to the outside of the door pocket 3. As shown in FIG. 1(B), when the platform door device 1 is in the open state, the door body 4 is drawn into the inside of the door pocket 3. Further, the platform door device 1 includes only one installation plate 5 and is fixed to the platform 2 via the installation plate 5. The mounting plate 5 is fixed to the platform 2, and the door pocket 3 is fixed to the mounting plate 5 by fixing bolts 6. Note that the installation plate 5 is an example of an installation part according to the present disclosure. Further, the detailed configuration of the installation plate 5 and means for fixing the installation plate 5 to the platform 2 will be described later.

As shown in FIG. 1(B), the door pocket 3 includes a casing 7 that constitutes an outer shell of the door pocket 3, and a frame 8 that supports the casing 7 and other components described below. The frame 8 includes a horizontal frame 8a arranged at the bottom of the door pocket 3 and extending in the direction in which the door body 4 advances and retreats, and a vertical frame 8b erected at both ends of the horizontal frame 8a and extending upward. Further, the horizontal frame 8a is fixed to the installation plate 5. That is, the door pocket 3 is fixed to the installation plate 5 via the horizontal frame 8a.

As shown in FIG. 1(B), the door pocket 3 includes a lower guide rail 9 and an upper guide rail 10 that extend in the direction in which the door body 4 moves forward and backward. The lower guide rail 9 is fixed to the horizontal frame 8a, and the upper guide rail 10 is supported by the vertical frame 8b. Furthermore, a lower guide roller 11 that rolls while being guided by the lower guide rail 9 is pivotally supported at the lower part of the door body 4 . An upper guide roller 12 that rolls while being guided by an upper guide rail 10 is pivotally supported on the upper part of the door body 4. In this way, the door body 4 is supported by the door pocket 3 via the lower guide rail 9, the upper guide rail 10, the lower guide roller 11, and the upper guide roller 12 so as to be able to move forward and backward.

Further, the door body 4 is driven by a drive device (not shown) disposed inside the door pocket 3, and moves between the position shown in FIG. 1(A) and the position shown in FIG. 1(B). Note that the drive device is supported by a frame 8.

As shown in FIGS. 1A and 1B, a jack bolt 13 is screwed into the platform door device 1 with an installation plate 5 interposed therebetween. The tip of the jack bolt 13 is in contact with the platform 2. Therefore, by changing the protrusion length of the jack bolt 13 from the lower surface of the door pocket 3, the installation height of the platform door device 1 with respect to the platform 2 can be adjusted. Furthermore, by adjusting the length of the jack bolt 13 protruding from the lower surface of the door pocket 3, the inclination of the platform door device 1 with respect to the platform 2 can be adjusted. Note that the detailed configuration of the jack bolt 13 will be described later.

2(A) and 2(B) are explanatory diagrams for explaining the detailed configuration of the installation plate 5. FIG. 2(A) is a plan view of the installation plate 5 seen from above, and FIG. ) is a side view of the installation plate 5 seen from the platform 2 side.

As shown in FIG. 2(A), the installation plate 5 is a steel plate having a rectangular planar shape. The installation plate 5 includes four bolt holes 5a into which four fixing bolts 6 for fixing the door pocket 3 to the installation plate 5 are respectively screwed. In this way, the door pocket 3 is fixed to the installation plate 5 by the four fixing bolts 6.

As shown in FIG. 2(B), a fixing bolt 5b is fixed to the lower surface of the installation plate 5 and extends downward. Further, as shown in FIG. 2(A), the fixing bolt 5b is attached to the center of the planar shape of the installation plate 5. The fixing bolt 5b is inserted into a mounting hole 2b drilled in a concrete plate 2a constituting the floor plate of the platform 2, and the tip of the fixing bolt 5b projects below the concrete plate 2a. A fixing nut 5c is screwed into a portion of the fixing bolt 5b that protrudes below the concrete plate 2a. With this structure, the installation plate 5 is fixed to the concrete plate 2a forming the floor plate of the platform 2 by tightening the fixing nut 5c.

FIG. 3(A) is a plan view of the horizontal frame 8a viewed from above, and is a diagram showing the arrangement of the jack bolts 13. As shown in FIG. 3(A), there are two sets of jack bolts 13 made up of two jack bolts 13, and the sets of jack bolts 13 are sandwiched between the installation plates 5 and are used to move the door body 4 forward and backward. The method is placed before and after.

FIG. 3(B) is a side view of the jack bolt 13 viewed from the platform 2 side. Note that in FIG. 3(B), the horizontal frame 8a is shown in cross-section. As shown in FIG. 3(B), the jack bolt 13 includes a head 13a and a shaft portion 13b. The head 13a is located above the horizontal frame 8a, and the shaft portion 13b is screwed into a screw hole 8c drilled in the horizontal frame 8a, and its tip is attached to the upper surface of the concrete plate 2a that constitutes the floor plate of the platform 2. are in contact. Further, a locking nut 13c is screwed into a portion between the head 13a of the shaft portion 13b and the horizontal frame 8a.

Since the jack bolt 13 is configured in this way, in the state shown in FIG. When separated from 8a, the shaft portion 13b can be rotated relative to the horizontal frame 8a. When the shaft portion 13b is rotated relative to the horizontal frame 8a, the jack bolt 13 moves forward and backward relative to the horizontal frame 8a. By moving the jack bolt 13 forward and backward relative to the horizontal frame 8a, the length of the portion of the jack bolt 13 that protrudes below the horizontal frame 8a is adjusted, and the height of the horizontal frame 8a measured from the top surface of the concrete plate 2a is adjusted. can be adjusted. After the length of the portion of the jack bolt 13 that protrudes below the horizontal frame 8a has been adjusted, the loosening of the jack bolt 13 can be prevented by tightening the locking nut 13c again.

Note that the jack bolt 13 is not limited to one in which the tip directly contacts the upper surface of the concrete plate 2a. As shown in FIG. A receiving plate 13d may be placed so that the tip of the jack bolt 13 is brought into contact with the receiving plate 13d. Further, as shown in FIG. 4(B), a recess 13e may be provided on the upper surface of the receiving plate 13d, and the tip of the jack bolt 13 may come into contact with the receiving plate 13d within the recess 13e.

Since the platform door device 1 includes the jack bolt 13, the height and horizontal adjustment of the door pocket 3 is easy. As a result, the effort required to install and adjust the platform door device 1 is reduced. Further, since the weight of the platform door device 1 and the downward external force that the platform door device 1 receives are supported by the jack bolts 13, distortion of the platform door device 1 is reduced.

FIGS. 5A to 5C are explanatory diagrams chronologically explaining a method for installing and fixing the platform door device 1 on the platform 2. In installing the platform door device 1 on the platform 2, first, as shown in FIG. 5(A), a mounting hole 2b and a recess 2c are formed in the concrete plate 2a. Next, as shown in FIG. 5(B), the installation plate 5 is fitted into the recess 2c, and the fixing bolt 5b is inserted into the mounting hole 2b, so that the tip of the fixing bolt 5b projects below the concrete plate 2a. Then, the fixing nut 5c is screwed onto the tip thereof and tightened. In this way, the mounting plate 5 is fixed to the platform 2. As a result, the installation part fixing step of fixing the installation plate 5 to the platform 2 is completed.

Next, as shown in FIG. 5C, the door pocket 3 of the platform door device 1 is placed on the installation plate 5, and the door pocket 3 is fixed to the installation plate 5 using the fixing bolts 6. Finally, the jack bolt 13 is adjusted to adjust the installation height and inclination of the platform door device 1. As a result, the door bag fixing step of fixing the door bag 3 to the installation plate 5 is completed. Through the above process, the installation adjustment and fixing work of the platform door device 1 is completed.

In this way, the platform door device 1 is installed on the platform 2 via the single installation plate 5. Therefore, compared to conventional products, the number of man-hours required for installation and fixing is reduced.

(Modification 1)
Modification 1 shows an example in which the frame 8 is provided with a reinforcing material. FIG. 6(A) is a plan view of the frame 8 according to Modification Example 1 viewed from above. FIG. 6(B) is a cross-sectional view of the frame 8 shown in FIG. 6(A) taken along the plane indicated by line AA' in FIG. 6(A).

As shown in FIGS. 6A and 6B, the frame 8 according to Modification 1 includes reinforcing beams 8d. The reinforcing girder 8d is a structural member extending parallel to the horizontal frame 8a, and is welded and fixed to the horizontal frame 8a. Further, the reinforcing girder 8d has a box-shaped cross section. Further, a plurality of reinforcing ribs 8e are arranged between the horizontal frame 8a and the reinforcing girder 8d. The reinforcing rib 8e is a plate material that connects the horizontal frame 8a and the reinforcing girder 8d, and is welded and fixed to the horizontal frame 8a and the reinforcing girder 8d. In this way, the frame 8 has high rigidity and strength by including the reinforcing beams 8d and reinforcing ribs 8e as reinforcing members.

(Modification 2)
As shown in FIG. 7, two platform door devices 1, 1' can be arranged so that the ends of the door bodies 4, 4' on the door side are in contact with each other to form a double sliding door. It will be done. When the platform door devices 1, 1' are arranged and used in this way, if a connecting member is provided at the door tip of the door body 4 to connect the door tip of the door body 4 to the door tip of the door body 4'. When the door body 4 is in the closed position, the door body 4 and the door body 4' are connected to each other and supported on both sides by the door pockets 3 and 3', so that the door body 4 and the door body 4' are stable. Retained.

Further, as described above, when the door body 4 and the door body 4' are connected to each other and supported on both sides by the door pockets 3 and 3', the strength and rigidity required for the door body 4 and the door body 4' are increased. becomes smaller. As a result, it becomes possible to simplify the structures of the door body 4 and the door body 4' and to reduce their weight. If the door body 4 and the door body 4' are lightweight, the physical muscular burden on the worker during installation work will be reduced. As a result, there is also the effect of reducing the number of installation and adjustment man-hours.

The configuration and operating principle of the connecting member provided at the tip of the door body 4 are not particularly limited. As shown in FIG. 8(A), a magnet 21 is fixed to the tip of the door body 4, a magnet 21' that attracts the magnet 21 is fixed to the tip of the door body 4', and the magnets 21, 21' are fixed to the tip of the door body 4. It may function as a connecting member. Alternatively, the protruding member 22 is provided at the tip of the door body 4, and the concave member 23 that fits with the protruding member 22 is provided at the tip of the door body 4', so that the protruding member 22 and the concave member 23 function as a connecting member. It's okay to let me.

The convex member 22 is not limited to being fixed to the tip of the door body 4. As shown in FIG. 9(A), the protruding member 22 is supported by the door body 4 so as to be able to move forward and backward, and the protruding member 22 is attached between the protruding member 22 and the door body 4 in the direction of protruding toward the door edge. The spring element 24 may be mounted on the body. In this way, if the spring element 24 is provided between the protruding member 22 and the door body 4, when the protruding member 22 collides with a foreign object or the passenger's body, the protruding member 22 will retreat toward the door end, thereby preventing the collision. impact is alleviated.

Alternatively, as shown in FIG. 9(B), the protruding member 22 is supported by the door body 4 so as to be movable forward and backward, and between the convex member 22 and the door body 4, the convex member 22 is moved forward and backward relative to the door body 4. An air cylinder 25 may be provided which functions as an actuator for causing the movement. Further, as shown in FIG. 9C, a link mechanism including a lever 27 that rotates around an axis 26 perpendicular to the plane of the drawing may be provided between the air cylinder 25 and the convex member 22. In this way, by providing an actuator that moves the connecting member forward and backward, connection and release can be performed at any timing.

As explained above, since the platform door device 1 according to the above embodiment and modification is fixed to the platform 2 via the single installation plate 5, installation adjustment is easier than with conventional products. Therefore, the number of man-hours involved in installation adjustment work can be reduced.

However, the technical scope of the present disclosure is not limited to the above embodiments and modifications. The present disclosure can be freely applied, modified, or improved within the technical ideas described in the claims.

In the above embodiments and modifications, the platform door device 1 in which one door body 4 is pulled out to one side of the door pocket 3 has been shown, but the present disclosure is not limited to platform door devices configured in this way. The present disclosure is also applied to a platform door device that is provided with two door bodies 4 and is pulled out on both left and right sides of the door pocket 3.

In the above embodiments and modifications, an example is shown in which two sets of four jack bolts 13 are provided, but the present disclosure is not limited to a platform door device configured in this way. In the present disclosure, the number and arrangement of jack bolts can be arbitrarily selected.

The structure, type, and material of the spring element 24 shown in the second modification are not limited. Springs of various constructions, types, and materials can be used as spring element 24.

In the second modification, the air cylinder 25 is used as an example of the actuator for moving the convex member 22 forward and backward, but the actuator is not limited to the air cylinder 25. There are no limitations on the configuration or operating principle of the actuator. The actuator may be a hydraulic cylinder or a solenoid.

In the above embodiment, the installation plate 5 is illustrated as a specific example of the installation part, but the installation part is not limited to the installation plate 5. Furthermore, the installation section is not limited to one that includes the installation plate 5. In the present disclosure, the installation section is a concept that includes various members or mechanical elements that are located between the door pocket 3 and the platform 2, are directly coupled to the platform 2, and fix the door pocket 3 to the platform 2. When the door pocket 3 is fixed to the platform 2 with bolts without placing the installation plate 5 in between, the bolts correspond to the installation part. Note that the configuration or form of this bolt is not limited.

Further, in the above embodiments and modifications, an example was shown in which the frame 8 is provided inside the housing 7 of the door pocket 3, but in the present disclosure, the frame is an optional component. In the present disclosure, the door pocket may not include a frame. Alternatively, the door pocket may be one in which the casing and the frame are integrally constructed. If we adopt a monocoque structure for the door pocket and increase the thickness of the outer panel of the casing so that the outer panel of the casing functions as a structural member or strength member, that is, as a frame, the casing and frame are integrated into one.

1, 1' platform door device, 2 platform, 2a concrete plate, 2b mounting hole, 2c recess, 3, 3' door pocket, 4, 4' door body, 5 installation plate, 5a bolt hole, 5b fixing bolt, 5c fixing nut , 6 fixing bolt, 7 housing, 8 frame, 8a horizontal frame, 8b vertical frame, 8c screw hole, 8d reinforcing girder, 8e reinforcing rib, 9 lower guide rail, 10 upper guide rail, 11 lower guide roller, 12 upper guide Roller, 13 Jack bolt, 13a Head, 13b Shaft, 13c Locking nut, 13d Reception plate, 13e Recess, 21, 21' Magnet, 22 Convex member, 23 Concave member, 24 Spring element, 25 Air cylinder, 26 Shaft , 27 lever

Claims (14)

A platform door device comprising a door pocket fixed to a platform, and a door body supported by the door pocket so as to be freely advanced and retractable,
comprising a single mounting portion fixed to the platform;
The door bag is fixed by the single mounting part , and
a jack bolt whose tip abuts the platform, is screwed into the door pocket, and moves forward and backward in the vertical direction with respect to the door pocket;
Platform door device. comprising two sets of the jack bolts spaced apart in the direction in which the door body advances and retreats;
The platform door device according to claim 1 . The two sets of jack bolts are arranged with the single installation part in between in the direction in which the door moves forward and backward;
The platform door device according to claim 2 . The door bag includes a frame that supports the door body,
The door bag is fixed to the single installation part via a frame that supports the door body.
The platform door device according to any one of claims 1 to 3 . The frame is configured integrally with a casing that constitutes an outer shell of the door pocket.
The platform door device according to claim 4 . a reinforcing member fixed to the frame to reinforce the frame;
The platform door device according to claim 4 . The frame is
a horizontal frame arranged at the bottom of the door pocket and extending in the direction in which the door moves forward and backward;
comprising a vertical frame erected at both ends of the horizontal frame and extending upward;
The platform door device according to any one of claims 4 to 6 . The door end side of the door body is attached to the door end side of the door body, and when the door body is in the closed position, the end portion is attached to another platform door device adjacent to the platform door device. comprising a connecting member connected to the end of the
The platform door device according to any one of claims 1 to 7 . The connecting member is a convex member that protrudes toward the door end side of the door body, and is a convex member that fits into a concave member formed at the end portion of the door body provided in the other platform door device. is,
The platform door device according to claim 8 . The connecting member is a concave member formed at the end of the door on the door side, and is fitted with a convex member protruding from the end on the door side of the door provided in the other platform door device. It is a concave member that
The platform door device according to claim 8 . The convex member is supported by the door body so as to be able to move forward and backward, and
a spring element mounted between the convex member and the door body and biasing the convex member in a direction protruding toward the door end;
The platform door device according to claim 9 or 10 . The convex member is supported by the door body so as to be able to move forward and backward, and
comprising an actuator that moves the convex member forward and backward with respect to the door body;
The platform door device according to claim 9 or 10 . The connecting member is a magnet fixed to the end of the door on the door side, and is attracted to another magnet fixed to the end of the door of the other platform door device. It is a magnet that
The platform door device according to claim 8 . A platform door device installation method for installing the platform door device according to any one of claims 1 to 13 on the platform,
an installation part fixing step of fixing the single installation part to the platform;
a door bag fixing step of fixing the door bag to the single installation portion after the completion of the installation portion fixing step;
How to install platform door equipment.

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