CN1310113A

CN1310113A - Railway platform screening door apparatus and its safety escape plate

Info

Publication number: CN1310113A
Application number: CN01104958A
Authority: CN
Inventors: 永山哲二
Original assignee: Nabco Ltd
Current assignee: Nabco Ltd
Priority date: 2000-02-25
Filing date: 2001-02-26
Publication date: 2001-08-29
Anticipated expiration: 2021-02-26
Also published as: CN1242892C; CN1769640B; KR100409058B1; HK1088647A1; KR20010085570A; CN1769640A; HK1036256A1

Abstract

Aa platform screen door device capable of maintaining a screen door horizontally by maintaining the opening and closing function of an opening and closing door even if the platform or ceiling structure of a station is displaced. This platform screen door device is formed so as to open and close door panels in correspondence with the opening and closing of the side door of a vehicle. A screen door is installed between a header box installed on the rail side of a ceiling structure over a platform and a rail unit installed on the rail side of the platform. A support part for absorbing the displacement of the screen door in the screen door thickness direction in the state supporting the screen door is provided on either of the header box and rail unit. A displacement absorbing part for absorbing the vertical displacement of the screen door is provided on the other of the header box and rail unit.

Description

Railway platform screening door apparatus and safety escape plate thereof

The present invention relates to guaranteeing that passenger safety shields upright railway platform screening door apparatus and the safety escape plate thereof of being located at the rail side edge of railway platform of shape.

As railway platform screening door apparatus, the present known device that for example is recorded in No. 2886924 communique of patent that has.

The door girt that this railway platform screening door apparatus comprises the pallet at the rail side edge that is fixed in railway platform and sets up on the many pillars of erectting on this pallet, between this pallet and door girt, by sliding door type door-plate and sight shield are set, and the whole shielding shape that forms.Upper rall and lower guide that above-mentioned door-plate can be located on pallet and the door girt are guide, make its transverse slip by valve engine, and the switching of its on-off action and vehicle side door is synchronous.

The part of above-mentioned sight shield is opened under deadly conditions such as train fault as the safety escape door, makes the interior passenger of train run away to railway platform rapidly and takes refuge.

This railway platform screening door apparatus usually height of its pillar can not touch ceiling structure, and its structure is that the bottom with pillar is fixed on the pallet that is arranged at the floor panel structure thing, erects and make shielded gate not have beam type.The structure that this no beam type is erect with above-mentioned pallet level-off and after being fixed on the rail side edge part of railway platform, does not need again door-plate, sight shield and the pillar that is arranged on this pallet to be carried out horizontal adjustment one by one, so have the extremely simple advantage of construction.

But, have open sense in order to make railway platform, preferably shielded gate is extended to the ceiling wall, thus,, then can shield train wind fully if railway platform and track can be separated, reduce noise, and can save the energy that railway platform is carried out air regulation.

But, be under the situation of for example hanging structure under the tunnel inwall hangs at the ceiling wall, because for example the change of soft ground causes the position of railway platform and ceiling wall to horizontal direction or vertical direction displacement sometimes.Therefore, when linking railway platform and ceiling structure, under the situation that produces above-mentioned displacement, can produce stress, increase its intensity load, when displacement is big, might produces door-plate and open and close defectives such as bad at the connecting part up and down of shielded gate with shielded gate.

If do not make the railway platform of displacement or ceiling wall return to original position, shielded gate will produce wave phenomenon, brings the problem of degraded appearance simultaneously.

The present invention develops in view of the problem of above-mentioned existing railway platform screening door apparatus, its first purpose is to provide a kind of railway platform screening door apparatus, regardless of railway platform and ceiling structure displacement, can not accumulate stress at the connecting part of shielded gate, can keep the switching function of door-plate.Its second purpose is, a kind of safety escape plate no matter how above-mentioned displacement all can reliably move is provided.Its 3rd purpose is, a kind of railway platform screening door apparatus is provided, even under the situation about changing in the position of railway platform and ceiling structure, also can eliminate the fluctuation of shielded gate, keeps original shape.

In order to realize above-mentioned first purpose, the invention provides a kind of railway platform screening door apparatus, rail side at railway platform is connected with sight shield and door-plate, constitute shielded gate, corresponding to the switching of the side door of the vehicle that arrives door-plate is opened and closed, shielded gate is arranged between cover and the following cover, be located at the rail side of the ceiling structure on the railway platform on wherein said, the described rail side that is located at railway platform down, a certain side at last cover or following cover is provided with support, this support absorbs the displacement of the shielded gate thickness direction of shielded gate under the state of supporting shielded gate, be provided with the displacement absorbent portion of the displacement that absorbs the shielded gate above-below direction at the opposite side of last cover or following cover.

In the present invention, under the situation that above-mentioned support is located at cover, be formed in the structure of hanging state lower support shielded gate.Specifically, sight shield can or be gone up the prominent axle of establishing of a certain person of cover and the bearing that is located on another person swingably with this binding constitutes by self-shileding plate upper end with support.Above-mentioned displacement absorbent portion can and be located at another person by the lower end of self-shileding plate or the prominent protrusion of establishing of a certain person in the following cover and go up, with the free-running fit state through hole of this protrusion insertion prescribed depth is constituted.

In order to realize above-mentioned second purpose, the invention provides a kind of railway platform screening door apparatus safety escape plate, described railway platform screening door apparatus is connected with sight shield and door-plate in the rail side of railway platform, constitute shielded gate, corresponding to the switching of the side door of the vehicle that arrives door-plate is opened and closed, wherein, the safety escape plate of the part of sight shield for opening to the railway platform inboard, be provided with support on this safety escape plate, this support is by self-chambering axle side upper end or relative with dress axle side upper end go up in the cover the prominent axle of establishing of a certain person and be located on another person, bearing with above-mentioned axle binding constitutes swingably.

That is to say that as long as the support of safety escape plate is a dress axle side and a last cover by axle link security escape plate, and this axle can be swung get final product.The displacement absorbent portion of safety escape plate promptly, forms connecting hole on a certain person so long as following structure gets final product in the dress axle side lower end of safety escape plate or the following cover relative with this dress axle side lower end, the fulcrum that is based in another person is inserted this connecting hole.On the other hand, the free end of safety escape plate preferably is provided with by the latch mechanism of executing that makes bar advance and retreat and open and close with respect to the connecting hole that is located at cover and covers down respectively, and, preferably set up and be useful on the door closer that makes this safety escape plate be in blocking usually.

Other structure as above-mentioned safety escape plate, if be provided with: the free end of the safety escape plate that can lock liftedly and the locking part of safety escape sheet frame portion, at ordinary times this locking part is pressed mechanism, resists this throw-on pressure that presses mechanism locking part is switched to the locking cancel system of removing the position, removing the releasing maintaining body that the position keeps being disengaged the locking part of locking to what the locking side pressure was leaned on, then since when open locking remove action and be held, so open operation is easy.

Constitute above-mentioned locking part by bar, by making this bar advance and retreat, the free end of safety escape plate and frame portion (with the sight shield at the cooresponding position of free end) are engaged or remove under the situation of its engaging, above-mentioned releasing maintaining body can be removed maintenance by the turnover that stops this bar.Specifically, above-mentioned releasing maintaining body can constitute the switch circuit controller of the through hole that bar connects by having, and can move on the shiftable haulage line of bar by making this through hole, or make this through hole move and remove locking or end to remove locking to the position of departing from shiftable haulage line.

In order to realize above-mentioned the 3rd purpose, the invention provides a kind of suspension type railway platform screening door apparatus with said structure, its main idea is will go up cover and be connected on the ceiling structure by hanging position adjusting mechanism.In this case, hang position adjusting mechanism and it is desirable to, have the one or both in the level attitude adjusting portion of regulating the height adjustment portion of going up the cover height and regulating the installation site of going up the cover horizontal direction.

Brief description of drawings is as follows:

Fig. 1 is a section-drawing of using the subway tunnel structure of railway platform screening door apparatus of the present invention;

Fig. 2 is the front elevation of shielded gate structure of the present invention;

Fig. 3 is that the D portion in the displayed map 2 is the enlarged drawing of the shielded gate of 1 unit part;

Fig. 4 is the planar view that shows the layout of sight shield, door-plate and safety escape plate;

Fig. 5 shows that the K-K of Fig. 3 of installing condition of shielded gate is to looking longitudinal diagram;

Fig. 6 is the L portion enlarged drawing of Fig. 5 that shows the supporting structure of sight shield and door-plate;

Fig. 7 is the N portion enlarged drawing of Fig. 5 that shows the displacement absorbing structure of shielded gate and door-plate;

Fig. 8 A, Fig. 8 B are the figure of structure of the pin carrier of sight shield, and Fig. 8 A is a planar view, and Fig. 8 B is a front elevation;

Fig. 9 shows the supporting structure of safety escape plate and the longitudinal diagram of displacement absorbing structure;

Figure 10 is the longitudinal diagram of executing latch mechanism that shows safety escape plate;

Figure 11 is the action specification figure that opens and closes the door closer of safety escape plate;

Figure 12 is the section plan that shows the hermetically-sealed construction of sight shield and door-plate;

Figure 13 A, Figure 13 B are the structures of hanging position adjusting mechanism, and Figure 13 A is a drawing in side sectional elevation, and Figure 13 B is a front cross-sectional view;

Figure 14 is that the S-S of Figure 13 is to planar view;

Figure 15 A is a top case displacement diagram, and Figure 15 B is the displacement diagram of rail unit, and Figure 15 C is a rail unit sinking scheme drawing;

Figure 16 be show safety escape plate variation with the cooresponding figure of Figure 10;

Figure 17 is that the T-T of Figure 16 is to looking ground plan;

Figure 18 is that the U-U of Figure 16 is to planar view;

Figure 19 be show safety escape plate another variation with the cooresponding figure of Figure 10;

Figure 20 A, Figure 20 B be V-V of Figure 19 to planar view, Figure 20 A is the figure when showing locking, Figure 20 B is the figure that shows when locking is removed.

Below in accordance with the embodiments illustrated, describe the present invention in detail.

Among Fig. 1,1 bottom 2 is stood and is provided with a plurality of supporting legs 3 from the tunnel, and railway platform 4 is bearing on the supporting leg 3.Label 5 is the guide rails that are laid on the track 6, and vehicle 7 is walked on this guide rail.The empty chamber A of railway platform 4 belows constitutes air supply passage, and empty chamber B constitutes the cable wiring passage, and empty chamber C constitutes the exhaust passage.

Ceiling structure 8a, 8b on the railway platform 4 is fixed on a plurality of cement concrete suspension bracket 9a of being hung down by concrete arch 1a, 9b, the 9c etc., railway platform screening door apparatus (hereinafter to be referred as door apparatus) 10 be located at railway platform 4 track side edge part 4a and and the cooresponding ceiling structure 8b of this track side edge part 4a between.

Among Fig. 2, by about the

sight shield

11,11 of configuration and the door-

plate

12,13 that is disposed between this

sight shield

11,11 constitute shielded gate unit 14, the formation that will a plurality of these shielded gate unit links to each other shielded gate 15.When door-

plate

12,13 arrives railway platforms 4 when vehicle 7, open and close corresponding to the switching of the side door 7a of this vehicle 7.In addition, among the figure, the safety escape plate that label 16 sets for the sight shield 11 that replaces a side, this safety escape plate 16 also constitutes the part of shielded gate 15.

Fig. 3 is the figure that amplifies the D portion of displayed map 2, is the figure that sees shielded gate unit 14 from the railway platform side.

In with the gate cell shown in the figure 14, the left side of the sliding door type door-

plate

12,13 that opens and closes at left and right directions disposes sight shield 11, and the right side disposes safety escape plate 16.

Above-mentioned each plate is hung by the barrel-contoured top case 17 as last cover, and this top case 17 is hung position adjusting mechanism 18 by what the back will be described in detail, is connected on the I-beam section 19 that is fixed on the ceiling structure 8b.

Be provided with walking guide rail 20 along its cylinder axis direction in the top case 17, door-

plate

12 and 13 is hung on this walking guide rail 20.Extended a pair of

gate stop

12a, 12a from the upper ledge both sides of door-plate 12, the pulley 12b, the 12b that are bearing on the leading section of each gate stop 12a roll on above-mentioned walking guide rail 20.Door-plate 13 too, pulley 13b, the 13b of gate stop 13a rolls on walking guide rail 20.

Above walking guide rail 20, drive sprocket 21a and driven sprocket 21b have been set up in parallelly, dispose the timing belt 21c that is looped around between two sprocket wheels, be fixed with the gate stop 12a of door-plate 12 in hypomere one side of this timing belt 21c, epimere one side is fixed with the gate stop 13a of door-plate 13.

Therefore,, timing belt 21c is moved to arrow G direction or H direction,, door-

plate

12,13 is opened to arrow E, F direction by being fixed on the gate stop on the timing belt 21c when making drive sprocket 21a when rotating forward or backwards by valve engine 21d.In addition, the drive actions of valve engine 21d is by controller 22 controls that are arranged in the top case 17.

The lower end of sight shield 11, door-

plate

12,13 and safety escape plate 16 engages with the rail unit (aftermentioned) 23 that conduct is covered down.And safety escape plate 16 can be that the railway platform side is opened to arrow J direction shown in Fig. 4 (I-I of Fig. 3 is to pseudosection).

Fig. 5 shows the installing condition of door apparatus 10 to pseudosection with the K-K of Fig. 3.

In figure, hang the position of the inwall 17a of the certainly close respectively top of sight shield 11 and door-plate 12 case 17, and the inwall of inwall 17a and sight shield 11 is seen from the railway platform side, roughly forms same face.On the other hand, rail unit 23 usefulness holding-down bolts 24 are fixed on the stage portion 4b that is cut on the track side edge part 4a of railway platform 4, the top formation of rail unit 23 and roughly same face above the railway platform.

Below, each bilge construction of door apparatus 10 is described.

(a) supporting structure of sight shield 11

Fig. 6 is the figure that amplifies the L portion of displayed map 5.In figure, the supporting structure of sight shield 11 (support) comprising: the barrel-contoured frame 25 in side, and direction along ng a path is configured in the railway platform side lower part of top case 17; Spherical washer (bearing) 26 is fixed on the inner face of the 25a of this framework soleplate portion, has the plate-like concave surface; Pad 27 has the engaging convex surface that can engage with the plate-like concave surface of spherical washer 26; Band hex bolt (axle) 28 and this pad 27 are integrated, and connect spherical washer 26, and sight shield 11 is connected on this bolt 28.Specifically, the negative thread 11b of the threaded portion 28a of bolt 28 and the top plate portion of upper ledge (upper end) 11a that is formed at sight shield 11 twists and closes, thereby sight shield 11 is hung from top case 17.

The internal diameter of above-mentioned spherical washer 26 is greater than the external diameter of bolt 28, and thus, bolt 28 can be along the swing of plate-like concave surface, the displacement that thus, can be absorbed between top case 17 and the rail unit 23, produce in the thickness of slab direction.In addition, the rubber system sealing member 29 that is used to interdict wind between the crack is equipped with in the gap between the upper ledge 11a of frame 25 and sight shield.Number in the figure 11c is the stubborn brace panel that closes part that is used for strengthening stud 28.

(b) supporting structure of door-plate 12

The supporting structure of door-plate 12 (support) mainly comprises: frame 30, direction along ng a path are located in the top case 17; Aluminum walking guide rail 31 turns to purpose to seek light weight, is fixed on the frame 30; Gate stop 33 moves on walking guide rail 31 by pulley 32; Attaching parts 34 is used to connect the upper ledge 12d of gate stop 33 and door-plate.

Walking guide rail 31 roughly is the long component set-up of J word shape by end face, and its installation side end 31a uses bolt 35 to be fixed on the frame 30, at the front end of the 31b of jaw portion that extends from installation side end 31a the guide rail 31c that the high SUS of resistance to abrasion (corrosion-resistant steel) makes is installed.This guide rail 31c has circular-arc section upwards, and it is circular-arc that the side face of pulley 32 is arranged with into section, to engage with this guide rail 31c.

The arc length W of pulley 32 is longer than the arc length w of guide rail 31c.Slide on the arc surface of guide rail 31c by the side face that makes pulley 32, gate stop 33 is swung to arrow M direction with respect to walking guide rail 31, for example,, make gate stop 33 keep vertical position even under top case 17 bevelled situations, also can utilize described swing.

In addition, the circular arc on the guide rail 31c towards forming up projection in the above-described embodiments, but also can be opposite.

Be wound with high density polyurethane rubber on the side face of pulley 32, alleviated the grating of pulley 32 and walking guide rail.Label 36a and label 36b are used to regulate the bolt of pulley 32 with respect to the installation site of gate stop 33.Label 36e is a track adjusting wheel, in door-plate 12 direction when vibration up and down, contacts with the rising wood 31c of walking guide rail 31, prevents coming off of gate stop 33.Label 37 is to be used to connect gate stop 33, attaching parts 34 and door-plate upper ledge 12d, and makes its incorporate bolt.Label 38 is the brace panels that are used for the mounting portion of strengthening stud 37.Label 39 is the brush spares that are used to interdict wind between the crack.

(c) the displacement absorbing structure of sight shield

Fig. 7 is the figure that amplifies the N portion of displayed map 5.In figure, the displacement absorbing structure of sight shield 11 (displacement absorbent portion) mainly comprises: the prominent downwards pin of establishing 40 of the base plate of the lower frame 11d of self-shileding plate and be located on the rail unit 23 and make pin 40 insert prescribed depth L under the free-running fit state ₁Through hole 23a.

Insert the depth of penetration L of the pin 40 of through hole 23a ₁Less than the total length of pin 40, according to the rising of top case 17 or the deflection decision of rail unit 23, the front end of self-marketing 40 is to the gap L of rail unit base plate 23b ₂The maximum ascending amount decision of anticipation according to the rising of the sinking of top case 17 or rail unit.

Fig. 8 A, Fig. 8 B show the structure of locating with the purpose that reduces the swing of the pin 40 of the through hole 23a of insertion rail unit 23 under the free-running fit state, and Fig. 8 A is a planar view, and Fig. 8 B is a front elevation.

Among two figure, the through hole 23a of rail unit top plate portion 23c is made of three-decker, lamination forms in the following sequence, and promptly the plane is seen top plate portion 23e with rectangular cutout 23d, had with the identical shaped otch of otch 23d and form middle the board 23e of window frame shape and centrally have the order of the 23f of backboard portion of pin inserting hole.

Be embedded at above-mentioned otch 23d: dash board 41, to be rectangle, central authorities have pin inserting hole 41a, and outer peripheral edges can engage with otch 23d; Locating plate 42 has pin inserting hole 42a, and oad is less than otch 23d.Just, the diameter of the pin inserting hole of dash board 41 is a bit larger tham pin 40, and is relative therewith, and the pin inserting hole 42a of locating plate 42 and pin 40 form roughly the same diameter, and the pin inserting hole 42b on the locating plate 42 forms the hole greater than the diameter of pin 40.

Therefore, locating plate 42 can be under the state of inserting logical pin 40, and horizontal direction moves in otch 23d, during construction, even produce under the out-of-position situation at the center shaft of pin 40 and the center shaft of through hole 23a, also can easily make pin 40 and through hole 23a engaging.That is to say, can absorb the installation error of sight shield.Can eliminate the noise of the wind-induced sight shield of train according to this structure.

(d) the displacement absorbing structure of sight shield 12

Returning Fig. 7 describes.The displacement absorbing structure of door-plate 12 (displacement absorbent portion) mainly comprises: from the hang down plate 45 established and be located on the rail unit 23, make the bottom of above-mentioned plate 45 insert prescribed depth L of the base plate 12f of the lower frame 12e of door-plate ₁Guide groove 46.

Plate 45 is the long component set-up of T font by section, runs through the whole width of door-plate 12 and mounted thereto.The part that contacts with guide groove 46 in the plate 45 when door-plate 12 opens and closes, carries out on-off action by covering as the resin cover 47 that reduces friction means swimmingly, and grating is reduced.The resin that is applicable to this resin cover can be enumerated ABS resin, poly-vinyl resin etc.

Guide groove 46 forms section U font, near the rail side configuration of rail unit 23.Insert the depth of penetration L of the plate 45 of this guide groove 46 ₁According to the anticipation sinking maximum decision of the rising of top case 17 or rail unit 23, the gap L from the front end of plate 45 to guide groove 46 bottom surfaces ₃According to the sinking of top case 17 or the ascending amount decision of rail unit.

In addition, number in the figure 48 is the screws that are used for plate 45 is fixed in the lower frame 12e of door-plate 12.

(e) the dress axle side structure of safety escape plate

Fig. 9 is that the O-O of displayed map 3 is to the figure that looks section.In addition, the component parts identical with Fig. 6 and Fig. 7 uses identical symbol, and omits its explanation.

The supporting structure of safety escape plate 16 (support) comprises the barrel-contoured frame 25 of above-mentioned side, be fixed in tilting bearing (bearing) 50 on the inner face of the 25a of this framework soleplate portion, by the bolt (axle) 51 of these tilting bearing 50 supportings, twist in the upper end of the threaded portion of this bolt 51 51a and to have closed anticreep with nut 52, the bottom of threaded portion 51a is connected on the strengthening part 53 on the upper ledge 16a that is installed on safety escape plate 16.

The inner core 51b of cup-shaped is housed, by being arranged on the outside that tilting bearing 50 interior roller 50a support this inner core 51b on above-mentioned threaded portion 51a.Thus, can be absorbed in the displacement that produces along the thickness of slab direction between top case 17 and the rail unit 23.

On the other hand, the displacement absorbing structure of safety escape plate 16 (displacement absorbent portion) mainly comprises: barrel-contoured connecting hole 16c is arranged with in the bottom of the lower frame 16b of safety escape plate 16; Fulcrum 54 is by constituting from the upwards prominent large-diameter portion of establishing and engaging with above-mentioned connecting hole 16c of rail unit 23.Be provided with the axle core rotation ring-type roller 54a freely around fulcrum 54 in the upper end of this fulcrum 54, this ring-type roller 54a contacts with the inner face of connecting hole 16c and rotates.In addition, label 55 is the screws that are used for fulcrum 54 is fixed on the top plate portion 23c of rail unit 23.

(f) side structure on hand of safety escape plate 16

Figure 10 shows that P-P shown in Figure 3 is to the figure that looks section.

In figure because safety escape plate 16 is opened and closed, so its on hand side do not have the supporting structure that resembles sight shield 11, just top case 17 and rail unit 23 are locked.

In detail, be square tube shape frame 25 and rail unit 23 with respect to top case 17, engaging or separation are known as the pin of executing latch mechanism (part of bar) of cremorne bolt (グレモ Application) lock.This is executed latch mechanism 60 and mainly comprises: main body 60a; Be known as the operating portion 60b of so-called careless mistake bar; Autonomous agent 60a upwards reaches upper boom 60c and the lower beam 60d that extends downwards; Be located at pin 60e, the 60f of the front end of upper boom 60c and lower beam 60d respectively; The compression coil spring 60g that upper boom 60c is upwards pressed.Lower beam 60d is by the interior not shown pinion and rack of main body 60a and the reverse interlock of moving direction of upper boom 60c of being loaded on.In addition, the 60b of aforesaid operations portion is as the locking cancel system, and

60e, 60f are as locking part, and compression coil spring 60g works as biasing member.

When being the center with the fulcrum 60i that is positioned at main body 60a, with operating portion 60b when arrow Q direction is depressed, upper boom 60c descends with regard to the throw-on pressure of opposing compression coil spring 60g, simultaneously, lower beam 60d rises by said gear rack mechanism and upper boom 60c interlock,

60e and 60f deviate from from the stop hole 25b of frame 25 and the stop hole 23d of rail unit 23 respectively, thereby remove locking.Among the figure,

60e, 60f retreat into the position shown in the realization from the position shown in the dotted line.

Therefore, when with operating portion 60b under the state that the Q direction is depressed, when the railway platform thruster, it is opened to arrow J direction shown in Figure 4 safety escape plate 16.Can under deadly conditions such as vehicle fire, allow the passenger take refuge on railway platform 4 from vehicle 7 by this safety escape plate of opening 16.

(g) safety escape plate door closer

Figure 11 is the enlarged drawing of the R portion of Fig. 4.

In figure, be provided with the door closer main body 70 shown in the long and two-short dash line in the top case 17 on safety escape plate 16, the upper ledge 16a of the leading section 70b of the arm 70a of the output shaft of this door closer main body 70 extension and safety escape plate 16 links certainly.

Be provided with the roller 70c that rotates freely around vertical axis at arm leading section 70b, this roller 70e is entrenched in the groove 16d of top plate portion of the upper ledge 16a that is formed at safety escape plate 16, and moves along this groove 16d.

Between roller 70c and groove 16d, guarantee that certain clearance is arranged, though at the relative position of top case 17 and rail unit 23 under the situation that the thickness of slab direction is subjected to displacement, also can absorb this displacement.

The effect of above-mentioned door closer is as follows, and its direction of closing to the safety escape plate 16 that makes manual unlocking presses, unless outside the reason condition, the rapid closed safe escape plate 16 of meeting is isolated railway platform 4 and track 6, thereby guarantees passenger's safety.

(h) hermetically-sealed construction between plate and the plate

Figure 12 amplifies between the

demonstration sight shield

11,11 and the linking portion between the door-

plate

12,13.

In figure,

sight shield

11,11 respectively connect pod 11e, the 11f that side is formed with the whole height that runs through plate, rubber

system sealing member

80,81 is housed in each pod 11e.Each sealing

member

80,81 is engaging obliquely mutually, vertically is provided with

sky chamber

80a, 81a at separately leading section.Therefore, when sealing

member

80,81 butt joints, then its

sky chamber

80a, 81a elastic deformation contact effect thereby improve.

Connection side in door-

plate

12 and 13 also is formed with pod 12f, the 12g of the whole height that runs through plate, and rubber

system sealing member

82,83 is housed in each pod 12f.The mutual male and female engaging of the leading section of each sealing

member

82,83, therefore, when sealing

member

82,83 butt joints, then their leading section engaging.Therefore can interdict wind between the crack, door-

plate

12,13 is joined each other reliably.

(i) top case 17 hangs position adjusting mechanism

Figure 13 A, Figure 13 B amplify to show the position adjusting mechanism 18 of hanging shown in Figure 5.

In figure, hang position adjusting mechanism 18 and be configured in (with reference to Fig. 3) on the I-beam section 19 with the spacing of stipulating, comprise by liner 90 be fixed on I-beam section 19 base plate 19a fixed parts 91 and can be with respect to the movable member 92 of these fixed parts 91 parallel motions, top case 17 is fixed on this movable member 92.

Said fixing parts 91 are that pair of L-shaped

steel

91a, 91a and the connecting panel 91b that is connected them and brace panel 91c is integrated and form, and are fixed on the base plate 19a of I-beam section 19 with four bolts 93.

On the other hand, movable member 92 is made of L shaped steel 92a and the auxiliary L shaped steel 92b that is welded in the vertical piece substantial middle of this L shaped steel 92a.Should assist stubborn being combined on fixed parts 91 hangs down the bolts of establishing 95 of lateral piece 92c of L shaped steel 92b, clamp, be fixed on this bolt 95 by a pair of nut 96.

Movable member 92 utilizes two bolts 97 to be connected on the vertical piece 91d of fixed parts 91, but is formed with the vertically slotted hole 91a ' of (Y direction) on this vertical piece 91d, and bolt 97 is slotted hole 97d ' lifting longitudinally.In addition, be formed with the laterally slotted hole 92d ' of (X-direction) on the vertical piece 92d of movable member 92, auxiliary L shaped steel 92b equally also is formed with the laterally slotted hole 92c ' of (X-direction).Therefore, movable member 92 can be respectively to vertically reaching side travel, the height and position of scalable top case 17 and thickness of slab direction position as a result with respect to fixed parts 91.

In addition, label 98 is to be used to connect the lateral piece 92b of L shaped steel 92a and the bolt of top case 17.

The carriage 99 of U font is installed below connecting panel 91b, and by being formed at the axial slotted hole of X-X on this carriage 99, hanging down is provided with bolt 100.This bolt 100 is at the roughly midway location supporting top of

bolt

98,98 case 17.Label 101 is to twist the nut that is combined on this bolt 100.The line of centers of above-mentioned bolt 100 by making top case 17 be than more close railway platform one side of the line of centers of hanging position adjusting mechanism 18, and top case 17 is desired the action of moving to rail side when suppressing to regulate.

Figure 14 be the S-S of Figure 13 B to planar view, show the configuration of each bolt.In figure, the X-X direction both ends that the

bolt

93,93 that hangs down from I-beam section supports L shaped steel 91a, bolt 95 is by the substantial middle of auxiliary L shaped steel 94 supporting movable members 92, the

bolt

97,97 that is connected and fixed parts 91 and movable member 92 is installed in the X-X direction both ends of vertical piece 91d, the rail side end of bolt 100 supporting top casees 17.

Use the scheme drawing shown in Figure 15 A, Figure 15 B, Figure 15 C below, the action of the door apparatus with said structure is described.

Figure 15 A represents the situation of top case 17 to the rail side displacement, and Figure 15 B represents the situation of rail unit 23 to the rail side displacement, and Figure 15 C represents the situation that rail unit 23 sinks.

Among Figure 15 A, at top case 17 under the situation of rail side displacement s, the bolt 28 of supporting sight shield 11 shown in Figure 6 tilts at spherical washer 26, thereby sight shield 11 is tilted, simultaneously, under this state, the pulley 32 of gate stop 33 can roll on same guide rail 31 under with respect to walking guide rail 31 bevelled states.

On the other hand, the vertical pin of establishing 40 in the lower end of self-shileding plate 11 tilts with respect to through hole 23a, also tilts with respect to guide groove 46 from the door-plate 12 vertical plates of establishing 45 simultaneously.Its result, sight shield 11 and door-plate 12 can be changed by each supporting structure hangs angle, absorbs the displacement of top case 17.

In Figure 15 B, under the situation of rail side displacement, also just opposite among the direction of tilt of sight shield 11 and door-plate 12 and Figure 15 A at rail unit 23, can absorb the displacement of guide rail 23.

In Figure 15 C, under the situation of sink at railway platform 4 (or ceiling structure 8b rises), as shown in Figure 7, corresponding to deflection Δ h, pin 40 is extracted from through hole 23a, and plate 45 is extracted from guide groove 46 simultaneously.Can absorb the relative displacement of the above-below direction of top case 17 and rail unit 23 thus.

In change displacement s and Δ h are become under the expendable situation, as long as utilize the position adjusting mechanism 18 of hanging shown in Figure 13 A, Figure 13 B to regulate owing to ground.

At first, under the situation of displacement shown in Figure 15 A, at first, under the fastening state of unscrewing,

bolt

97,97 is unscrewed, removed being connected of fixed parts 91 and movable member 92, make the movable member 92 that connects top case 17 to railway platform side shifting Δ s with bolt 95.

Under the situation of displacement shown in Figure 15 B, at first, under the fastening state of unscrewing,

bolt

97,97 is unscrewed bolt 95, remove being connected of fixed parts 91 and movable member 92, make the movable member 92 that connects top case 17 move Δ s to rail side.

Under the situation of displacement shown in Figure 15 C, at first, under the fastening state of unscrewing, bolt 95 to be unscrewed

bolt

97,97, the movable member 92 utilization deadweight declines that make top case 17 and hang sight shield thus, make movable member 92 decline Δ h.

By carrying out above-mentioned each adjusting alone or in combination, the position of top case 17 can be regulated in horizontal or vertical direction.

In addition, sight shield support of the present invention, in the above-described embodiments, the bolt 28 that to be located at sight shield 11 sides is accepted by the spherical washer 26 of being located at top case 17 sides and is constituted, but, also can be opposite, the spherical washer of being located at sight shield 11 sides is hung on case 17 sides in top are hung down the bolt of establishing certainly.

In addition, the structure of above-mentioned support is not limited to above-mentioned bolt 28 and spherical washer 26, as long as make sight shield 11 can adopt bearing arrangement arbitrarily, arbitrarily coupler structure in its thickness direction swing at least with respect to top case 17.

Sight shield with the displacement absorbent portion in the above-described embodiments, the vertical pin of establishing 40 of self-shileding plate 11 sides is inserted the connecting hole 23a that is located at rail unit 23 sides to be constituted, but also can will insert the connecting hole of being located at sight shield 11 sides from the rail unit 23 edge-on pins of establishing in contrast.

Below, the variation of safety escape plate shown in Figure 10 is described according to Figure 16.In addition, in figure, the structure member identical with Figure 10 given prosign, and omits its explanation.

Among Figure 16, be configured in the base plate that the pin 60e on free end side top of safety escape plate 16 inserts frame 25 when usual.In detail, in the base plate of frame 25 the plate 25d (with reference to the T-T of Figure 17 to looking ground plan) of square hole (stop hole) 25c with 21 * 21mm is installed, the pin 60e of diameter 20mm inserts this square hole 25d with gap fiting mode.In addition, label 25e is the fix screw that is used for plate 25d is fixed in the base plate of frame 25.

On the other hand, be disposed at the top plate portion 23c that the pin 60f of free end side bottom of safety escape plate 16 inserts rail unit 23 when usual.In detail, with fix screw 23f the dash board 23e (with reference to the U-U of Figure 18 to planar view) of square hole (stop hole) 23e ' with 21 * 21mm is installed at upper plate portion (step) 23c, the pin 60f of diameter 20mm inserts this square hole 23e ' with gap fiting mode.In addition, label 23g is the backboard that is fixed on the back side of top plate portion 23c, is formed with the square hole 23g ' than the big circle of square hole 23e '.Label 23h is the fix screw that is used for dash board 23e is fixed in top plate portion 23c.Label 23i is the fix screw that is used for backboard 23g is fixed in top plate portion 23c.

The gap value of above-mentioned square hole 25c and pin 60e, or the gap value of square hole 23e ' and pin 60f suitably determines according to the displacement of the top case 17 of anticipation or the displacement of rail unit 23.

Like this, embed with free-running fit at the pin 60e that makes Cremorne lock and 60f under the state of

square hole

25c and 23e ' up and down, safety escape plate 16 is remained on blocking, even this structure under at least one situation about being subjected to displacement of top case 17 and rail unit 23, also can absorb these displacements with sight shield 11 and door-plate 12 equally.

In addition, among Figure 16, symbol 102 is proximity switch, this proximity switch 102 pin 60e near the time, when promptly safety escape plate 16 is closed, output signal.Thus, can be at for example open and-shut mode of master control room control safety escape plate 16.

Figure 19 is another variation of safety escape plate 16.

In figure, on the free end of safety escape plate 16, have locked mechanism, this locked mechanism can make upper boom 110 and lower beam 111 turnover respectively with respect to the frame 25 and the rail unit 23 of the top case 17 that supports safety escape plate 16, makes safety escape plate 16 lockings be blocking.Above-mentioned frame 25 and rail unit 23 work as safety escape sheet frame portion.

In detail, Cremorne lock main body (hereinafter to be referred as main body) 112 is housed in the side on hand of safety escape plate 16, when with control lever 113 when arrow Q direction is depressed, by the not shown pinion and rack in the main body 112, lower beam 111 is risen with the decline interlock of upper boom 110.

Below upper boom 110, be formed with flange plate 110a, compression coil spring (pressing mechanism) 114 is housed at this flange plate 110a with on the upper boom 110 between above the main body 110.

Under the state of operating operation bar (locking cancel system) 113 not, above-mentioned compression coil spring 114 inserts among the connecting hole 25a that is provided with on the frame 25 in order to make locking pin 115, always upper boom 110 is pressed up, simultaneously, in order to make down locking pin 116 insert the connecting hole 23b that is located at rail unit 23, always lower beam 111 is pressed downwards by the said gear rack mechanism.

Therefore, when usual,, can not open to gyratory directions even safety escape plate 16 is pushed to its thickness direction yet.In addition, connecting hole 25a is configured on the axis of upper boom 110, and connecting hole 23b is configured on the axis of lower beam 111.

When with control lever 113 when arrow Q direction is depressed, control lever 113 is the center swing with the fulcrum 112a that is configured in by the railway platform side of main body 112, upper boom 110 is resisted the throw-on pressure of compression coil springs 114 and is left behind, and simultaneously, lower beam 111 is boosted by the pinion and racks in the main body 112.That is to say, upper boom 110 and lower beam 111 interlocks and retreat, thus, last locking pin 115 breaks away from from stop hole 25a, and following locking is sold 116 and is broken away from from stop hole 23b.Among the figure, label 115 ', 116 ' expression retreat into the position that the locking pin of position is removed in locking.Last locking pin 115, locking pin 116 works as locking part down.

Upper boom 110 lifting by guide cylinder 117 guiding that is formed at safety escape plate 16 tops is provided with switching mechanism (releasing maintaining body) 118 in the exit portion of this guide cylinder 117.

The pin 115 that locks of going up that this switching mechanism 118 will retreat into locking releasing position keeps at its going-back position.In detail, this switching mechanism 118 mainly comprises: cover vertical frame top of safety escape plate 16 and be configured in the upper plate 118a of horizontal direction, relative with this upper plate 118a and be configured in the below lower plate 118b, lamellar switch circuit controller 118c that can slippage between each

plate

118a, 118b, the compression spring 118d that this switch circuit controller 118c is pressed to rail side.

Figure 20 A, Figure 20 B be the V-V of Figure 19 to planar view, amplify and show above-mentioned switching mechanism 118.In addition, Figure 20 A represents locking condition, and Figure 20 B represents the disarm state that locks.Turnover side with switch circuit controller 118c is " preceding " in the following description, retreats side and describes for " back ".

In Figure 20 A, the liner 118f of liner 118e and L font is housed around rear side three limits of switch circuit controller 118c between upper plate 118a and lower plate 118b.These

liners

118e and 118f lead to the turnover direction of switch circuit controller 118c, limit it simultaneously and retreat boundary.

Be formed with notched cut 118g at the rear portion of switch circuit controller 118c, in this otch 118g, dispose compression spring 118d.

Forward position at switch circuit controller 118c is formed with through hole 118j, and this through hole 118j is when switch circuit controller 118c retreats, and it is logical that locking pin 115 is inserted.

Front portion at switch circuit controller 118c is formed with convex sheet 118h to horizontal direction, guarantees clearance t between the terminal part 118i of this convex sheet 118h and upper ledge 16e inwall.Therefore when utilize above-mentioned compression spring 118d to press switch circuit controller 118c, switch circuit controller 118c is with regard to the distance of motion gap t, from the peristome 16f that a part of otch of the upper end of upper ledge 16e is formed convex sheet 118h given prominence to.The front side leading section of convex sheet 118h bends to the L font up, the face that the touches 118h ' that formation can touch with block 119 described later.In addition, in the rack construction of upper ledge of safety escape plate 16 in the lower cover of frame 25, the wall of available this frame 25 replaces above-mentioned block 119.In addition, label 120 is to be connected and fixed upper plate 118a, liner 118e, the bolt of 118f, lower plate 118b in regular turn.

The following describes the action of above-mentioned switching mechanism 118.

Usually, safety escape plate 16 is maintained at locking condition, with can not be because of not noting turning round switching.That is to say, shown in Figure 20 A, convex sheet 118h touches with the tabular block 119 (with reference to Figure 19) that hangs down from the frame 25 of top case 17, switch circuit controller 118c resists the throw-on pressure of compression spring 118d and retreats thus, locking pin 115 is passed in and out by through hole 118j, and insert in the connecting hole 25a of frame 25.In addition, the last locking pin 115 and the pin 116 interlocks advance and retreat that lock down, following pin 116 turnover too that locks of institute, and insert in the connecting hole 23b of rail unit 23.

Then, when in emergency circumstances at vehicle fire etc., with control lever 113 when the Q direction is depressed, last locking pin 115 and down locking pin 116 retreat respectively, the convex sheet 118h that makes switch circuit controller 118c from block 119 slightly (about 3mm) leave.At this moment, shown in Figure 20 B, convex sheet 118h is compressed spring 118d and presses, and side slip makes the through hole 118k skew of through hole 118j and its switch circuit controller 118c of upper plate 118a forward.Its result, retreat to go up 115 its outlets of locking pin blocked, so be maintained at the releasing position that promptly locks under the state after retreating.

Though following locking pin 116 sides are not provided with switch circuit controller 118c,, by selling 115 interlocks, and be maintained at going-back position with last locking.

Under this state, even safety escape plate 16 leaves hand from control lever 113, also be maintained at the locking disarm state, so as long as manually with safety escape plate 16 to the railway platform thruster, can open safety escape plate 16 simply.

By above-mentioned block 119 is arranged on the frame 25 of upside, can make not outstanding any obstacle on the floor, therefore, the passenger is not escaped from by the influence of obstacle can safely.

The last locking pin 115 and the pin 116 that locks down also can embed frame 25 and rail unit 23 with gap fiting mode as shown in figure 16, and formation can absorb the structure of displacement.

In addition, the present invention is on the top case that covers in the conduct support to be set in the above-described embodiments, and the displacement absorbent portion is set on the rail unit that covers under conduct, but also can be opposite, the displacement absorbent portion is arranged on the case of top, and support is arranged on the rail unit.Under situation about constituting like this, replace the gate stop 33 of hanging board, and the mechanism that sight shield is erected by pulley is set on walking guide rail 31 in addition, valve engine and controller are arranged on the rail unit side.In addition, need to adopt seal approach, immerse guide groove to prevent dust or water.

For railway platform screening door apparatus of the present invention, in the above-described embodiments, illustration at the situation of the railway platform in the tunnel, but be not limited thereto, can be applicable on railway platform and ceiling structure, set up shielded gate with railway platform arbitrarily with railway platform and track blocking.

By above explanation as can be known, according to a first aspect of the invention, because between railway platform and the ceiling structure The displacement of the thickness direction that produces is absorbed by support, and the displacement of above-below direction is absorbed by the displacement absorbent portion, Therefore, even linking with shield door in the situation of railway platform and ceiling structure, can be because of railway platform and top yet The relative displacement that produces between the booth structure thing and diminish the switching function of shutter door, and, the plane can be kept The shield door structure.

Second and third aspect according to the present invention owing to be located at the upper end of described barricade, hung and is being located at Axle (bearing) on the bearing on the upper cover (axle) consists of the structure that can swing, so be not limited to cover on thickness of slab side To the situation that produces displacement, on cover on reversing also of orbital direction and can absorb.

According to fourth aspect present invention, can be with respect to establishing owing to be located at the protuberance of the lower end of described barricade In the through hole advance and retreat of lower cover, so in the situation that railway platform sinks or ceiling structure rises, can absorb on it The displacement of lower direction.

According to fifth aspect present invention, can be by the gap wind between brush part blocking barricade lower end and the lower cover Pass through.

According to sixth aspect present invention, roll at the walking guide rail by the pulley that makes the gate stop of hanging door-plate Moving, can open and close door-plate.

According to seventh aspect present invention, because the pulley of gate stop can roll and can walk at the walking guide rail Guide rail tilts, so do not need special bearing, can absorb the position of door-plate thickness direction with simple structure Move.

According to eighth aspect present invention, owing to make protuberance from the vertical frame in the lower end of door-plate, and with matched in clearance State embeds the guide groove of lower cover, so can prevent the swing of door-plate lower end.

According to ninth aspect present invention, owing to plate forms at the whole width of door-plate, so can prevent door-plate Gapped wind passes through between lower end and the lower panel.

According to tenth aspect present invention, owing to set up the reduction friction means with contact part guide groove described plate, thus can open and close door-plate swimmingly, and can reduce grating.

The tenth on the one hand according to the present invention, owing to the support of support that is located at the safety escape plate on the shielded gate part and above-mentioned sight shield is same, is made of the axle and the bearing that engage swingably, so can absorb the displacement of safety escape plate thickness direction.

The 12 aspect according to the present invention is owing to the fulcrum (connecting hole) that is located at safety escape plate dress axle side lower end is chimeric with the connecting hole (fulcrum) that is located at down on the cover, so can be absorbed in the displacement of the above-below direction that covers and produce between the cover down.

The 13 aspect according to the present invention for the side on hand of safety escape plate, is provided with and executes latch mechanism, as long as utilize the locking cancel system that locking part self-shileding plate is broken away from, can open safety escape plate.

The 14 aspect according to the present invention, press the throw-on pressure of mechanism when opposing, when locking part is switched to locking releasing position, remove maintaining body and just removing the lasting locking part that keeps of locking position, therefore, eliminated while removing locking operation and pushed the complex operations of safety escape plate open, can promptly open safety escape plate.

The 15 aspect according to the present invention, when the closed safe escape plate, the maintenance with regard to ending to be removed by the locking that the releasing maintaining body carries out switches to locking position with locking part, locks automatically.Can prevent the accident that forgetting locks causes thus.

Can advance and retreat by making bar, and carry out the locking and the locking releasing of safety escape plate in the 16 aspect according to the present invention.

The 17 aspect according to the present invention, on the bar shiftable haulage line, move or move by the through hole that makes switch circuit controller to the position of departing from shiftable haulage line, can allow or stop the turnover of bar, and, switch circuit controller and block are touched, and with the on-off action interlock of safety escape plate, so realize maintenance and the termination that bar is removed by simple structure.

The tenth eight aspect according to the present invention because the door closer main body is configured in the cover, is connected the front end of the arm of automatic closing door's device Subject Extension on the upper ledge of safety escape plate by roller, thus can not influence the swing of safety escape plate, and make its involution arrive off position.

The wave phenomenon of shielded gate with respect to the last cover and the following fixing shielded gate of offset of cover, as long as go up the height adjustment of cover and the installation site adjusting of horizontal direction with hanging position adjusting mechanism, can be eliminated in the 19 and the 20 aspect according to the present invention.

Claims

1, a kind of railway platform screening door apparatus is connected with sight shield and door-plate in the rail side of railway platform, constitutes shielded gate, corresponding to the switching of the side door of the vehicle that arrives described door-plate is opened and closed, it is characterized in that,

Described shielded gate is arranged between cover and the following cover, wherein, be located at the rail side of the ceiling structure on the described railway platform on described, the described rail side that is located at described railway platform down, cover or the described a certain side of cover down are provided with support on described, this support absorbs the displacement of the shielded gate thickness direction of described shielded gate under the state of the described shielded gate of supporting, cover or the described opposite side of cover down are provided with the displacement absorbent portion of the displacement that absorbs described shielded gate above-below direction on described.

2, railway platform screening door apparatus as claimed in claim 1 is characterized in that, described support is located at and covers on described, is formed in the structure of hanging the described shielded gate of state lower support.

3, railway platform screening door apparatus as claimed in claim 2, it is characterized in that, the described support that described sight shield is used by from described sight shield upper end or described go up the prominent axle of establishing of a certain person of cover and be located on another person swingably the bearing that links with described axle constitute.

4, railway platform screening door apparatus as claimed in claim 2, it is characterized in that the described displacement absorbent portion that described sight shield is used is by the prominent protrusion of establishing of a certain person in the lower end of described sight shield or described cover down and be located at that another person goes up, the through hole that makes this protrusion insert prescribed depth with the free-running fit state constitutes.

5, railway platform screening door apparatus as claimed in claim 4 is characterized in that, the brush spare that is embedded in described sight shield and described gap between the cover down hangs down frame on its whole width from the lower end of described sight shield.

6, railway platform screening door apparatus as claimed in claim 2 is characterized in that, the described support that described door-plate is used comprises: be located at the described gate stop of going up the walking guide rail in the cover and hang described door-plate by the pulley that rolls on described walking guide rail.

7, railway platform screening door apparatus as claimed in claim 6 is characterized in that, the contact surface of described walking guide rail and described pulley forms can engage mutually circular-arc.

8, as each described railway platform screening door apparatus of claim 2～7, it is characterized in that, the described displacement absorbent portion that described door-plate is used comprises: the protrusion of the frame that hangs down from the lower end of described door-plate and be located at described cover down and go up, make described protrusion embed the guide groove of prescribed depth with the free-running fit state.

9, railway platform screening door apparatus as claimed in claim 8 is characterized in that, described protrusion is made of the plate that forms on the whole width of described door-plate.

10, railway platform screening door apparatus as claimed in claim 9 is characterized in that, has set up the reduction friction means described plate with contact part described guide groove.

11, a kind of railway platform screening door apparatus safety escape plate, described railway platform screening door apparatus is connected with sight shield and door-plate in the rail side of railway platform, constitutes shielded gate, corresponding to the switching of the side door of the vehicle that arrives described door-plate is opened and closed, it is characterized in that,

The safety escape plate of the part of described sight shield for opening to the railway platform inboard, on this safety escape plate, be provided with support, this support by self-chambering axle side upper end or relative with dress axle side upper end go up the prominent axle of establishing of a certain person in the cover and be located at the bearing that another person goes up, links with above-mentioned axle swingably constitute.

12, railway platform screening door apparatus safety escape plate as claimed in claim 11, it is characterized in that, described safety escape plate is provided with the displacement absorbent portion, described displacement absorbent portion comprises: the connecting hole that forms on a certain person in described dress axle side lower end or the following cover relative with this dress axle side lower end and be based in that another person goes up, the fulcrum of the described connecting hole of insertion.

13, as claim 11 or 12 described railway platform screening door apparatus safety escape plates, it is characterized in that, thereby have described safety escape plate is locked the latch mechanism of executing of its locking, the described latch mechanism of executing comprises: make described safety escape plate free end and corresponding to the described sight shield engaging at this free-ended position and the locking part that separates, at ordinary times with described locking part to the locking side pressure lean on press mechanism, the described throw-on pressure that presses mechanism of opposing makes described locking part remove the locking cancel system of locking.

14, railway platform screening door apparatus safety escape plate as claimed in claim 13 is characterized in that, also is included in to remove the releasing maintaining body that locking condition keeps being removed by described locking cancel system the locking part of locking down.

15, railway platform screening door apparatus safety escape plate as claimed in claim 14 is characterized in that, described releasing maintaining body contacts and the releasing maintenance of ending to lock with the block that forms on the described sight shield when described safety escape plate returns locked position of coupler.

16, railway platform screening door apparatus safety escape plate as claimed in claim 13, it is characterized in that, described locking part is made of bar, described bar is advanced and retreat with respect to the stop hole that is located at described upward cover and described cover down from the free end upper end and the lower end of described safety escape plate, retreats when having removed locking by described locking cancel system.

17, railway platform screening door apparatus safety escape plate as claimed in claim 16, it is characterized in that, described releasing maintaining body constitutes by having switch circuit controller through hole, that be disposed at the described bar the place ahead that retreats that described bar is connected, by opening described safety escape plate, leave from described block, and described through hole is moved to the shiftable haulage line out-of-position position from described bar, close at described safety escape plate, when contacting, described through hole is moved on the shiftable haulage line of described bar with described block.

18, as claim 11 or 12 each described railway platform screening door apparatus safety escape plates, it is characterized in that, described go up is provided with the door closer main body that usually described safety escape plate is pressed to closing direction in the cover, will be connected on the upper ledge of described safety escape plate by roller from the front end of the arm of described door closer Subject Extension.

19, railway platform screening door apparatus safety escape plate as claimed in claim 13, it is characterized in that, described go up is provided with the door closer main body that usually described safety escape plate is pressed to closing direction in the cover, will be connected on the upper ledge of described safety escape plate by roller from the front end of the arm of described door closer Subject Extension.

20, railway platform screening door apparatus as claimed in claim 2 is characterized in that, the described cover of going up is connected on the ceiling structure by hanging position adjusting mechanism.

21, railway platform screening door apparatus as claimed in claim 20, it is characterized in that the described position adjusting mechanism of hanging has to regulate and describedly goes up the height adjustment portion of cover height and regulate one or both in the level attitude adjusting portion of described installation site of going up the cover horizontal direction.