KR20040063781A - Opening and closing device of the door for rolling stock - Google Patents

Abstract

PURPOSE: A door opening and closing device for a railway vehicle is provided to obtain slide stroke of a door body and to make the device small by passing a connecting member adjacent to a driving pulley through an axial front side of a motor in opening and closing a door. CONSTITUTION: A door opening and closing device for a railway vehicle has an extension guide member(70) for guiding each door body(10A,10B) in the opening and closing direction of doors. The extension guide member is composed of a guide member for the vehicle(71) extended in the correspondent opening and closing direction and fixed to the vehicle; a guide member for the door extended in the same opening and closing direction and fixed to each door body; and a slide mechanism for connecting the guide members for both the vehicle and the door to slide in the longitudinal direction. The guide member for the vehicle is disposed right on an entrance(80) opened and closed by both door bodies.

Description

Opening and closing device of door for railroad car {OPENING AND CLOSING DEVICE OF THE DOOR FOR ROLLING STOCK}

The present invention relates to a door opening and closing device for opening and closing the left and right door main bodies provided in a railway vehicle by an electric motor.

Background Art Conventionally, as a device for opening and closing a door of a railway vehicle, a fluid pressure such as pneumatic pressure has been generally used as the driving source. In recent years, an electric motor is used as a driving source in view of reduction of driving sound, control response, and improvement of maintenance performance. As a result, development of a door drive device has been advanced.

As one example thereof, an apparatus for driving a sliding door that opens and closes by sliding left and right door bodies in opposite directions is shown in FIG. The illustrated drive device 102 is provided above the left and right door main bodies 100A and 100B and uses a winding electric transmission mechanism.

Specifically, it is provided with the motive pulley 104 and the driven pulley 106 which are mutually spaced apart in the door opening-and-closing direction, and these belts 108 which straddle, and the lower part of the belt 108 is a connecting member ( The upper side of the belt 108 is connected to the driven pulley 106 through the connecting member 110B while being connected to the door main body 100A on the side (right side of the drawing) close to the prime pulley 104 via 110A. It is connected to the door main body 100B of the near side (left side of the figure).

As the drive source, the motor 120 with a reduction gear is used, and the said pulley 104 is connected to the output shaft. The motor 120 with a reducer is equipped with the motor main body 122 and the reducer 124, and is arrange | positioned in the state in which the input shaft and the output shaft of the reducer 124 are parallel to each other (the state facing the depth direction of drawing), The motor main body 122 is connected to the front end of the input shaft, and the circular pulley 104 is connected to the front end of the output shaft.

The connecting member 110A is fixed to a lower side portion of the belt 108 and extends downward from the belt 108, and a pulley driven from the lower end of the belt side connecting portion 112. An intermediate connecting portion 113 extending in the horizontal direction on the side of 104 (the right side of the drawing), and a door side connecting portion 114 extending downward from the intermediate connecting portion 113 and fixed to the upper end of the right door body 100A. Have Similarly, the connection member 110B is fixed to an upper side portion of the belt 108 and extends from the upper side portion to a lower side of the lower side portion of the belt 108, and An intermediate connecting portion 117 extending horizontally from the lower end of the belt-side connecting portion 116 to the motive pulley 104 side (right side of the drawing), and extending downward from the intermediate connecting portion 113 to the left door main body 100B. It has the door side connection part 118 fixed to the top of a.

In this apparatus, when the driving pulley 104 is driven to rotate counterclockwise in the drawing by the operation of the reduction gear mounting motor 120 from the closed state in which both the door main bodies 100A and 100B are closed as shown, the belt ( The lower side part of 108 and the right side door main body 100A connected to it slide to the right, and the upper side part of the belt 108 and the left side door main body 100B connected to it slide to the left. That is, the door is opened. On the contrary, from this door open state, the circular pulley 104 is driven to rotate clockwise in the drawing, so that both door bodies 100A and 100B are driven to slide in the closing direction.

The motor with a speed reducer 120 has a large speed reducer 124, and furthermore, since the motor main body 122 protrudes largely toward the front side together with the motive pulley 104 from the speed reducer 124, A large space is required for arranging and installing the reducer-mounted motor 120, and a connecting member connected to the reducer-mounted motor 120 and the connecting member (especially the right door main body 100A close to the reducer-mounted motor 120) ( In order to avoid interference with 110A), the design is constrained so that the whole apparatus is large in size.

For example, in order to secure the sliding strokes of both the door bodies 100A and 100B while keeping the distance between the driving pulley 104 and the driven pulley 106 as small as possible for the miniaturization of the entire apparatus, As described above, each of the connecting members 110A and 110B is elongated in the door opening and closing direction to allow the door side connecting parts 114 and 118 to move to the positions outside the reduction gear mounting motor 120 and the driven pulley 106, respectively. Preferably, the door side connecting portion 114, as shown, does not interfere with the door side connecting portion 114 or the intermediate connecting portion 113 of the connecting member 110A with the large reduction geared motor 120 when moving. The positions of the door-side connecting portion 114 and the reducer-mounted motor 120 must be arranged up and down so as to pass through the lower side of the reducer-mounted motor 120, so that the overall height dimension of the apparatus increases. there is a problem.

Further, as a means of avoiding the interference without increasing the device height dimension, for example, the intermediate connecting portion 113 and the door side connecting portion 114 of the connecting member 110A are expanded to the front side (right in front of the drawing). It is also conceivable to arrange the connecting member 110A such that both connecting portions 113 and 114 pass through the front side of the reducer-mounted motor 120, but as described above, the reducer-mounted motor 120 is the reducer 124. Since the motor main body 122 has an outer shape which protrudes more toward the front side, the connection parts 113 and 114 are expanded considerably in the forward side to avoid the interference between the motor main body 122 and the connecting member 110A. There is a problem that the depth dimension (dimensions in the front and rear direction) of the device increases by that amount. In particular, in the case of a door opening and closing device for a railroad car, a cover or inspection cover is often arranged before and after (inside and outside the vehicle), so that if the depth is large, the entire device cannot be accommodated inside the cover or inspection cover. Occurs.

In view of such circumstances, an object of the present invention is to reduce the size of the entire apparatus while ensuring sufficient sliding stroke of the door main body in the opening / closing device of a door for a railway vehicle.

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows the railway vehicle door which concerns on 1st Embodiment of this invention, and its opening / closing apparatus.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a cross-sectional view taken along the line B-B in FIG.

4 is a cross-sectional view taken along the line C-C of FIG.

Fig. 5 is a front view of the outer rotor type direct drive motor provided in the opening and closing device, and Fig. 5B is a sectional view taken along the line D-D in Fig. 5A.

It is a front view which shows the door for railroad cars which concerns on 2nd Embodiment of this invention, and its opening / closing apparatus.

7 is a cross-sectional view taken along the line E-E of FIG.

FIG. 8: (a), (b) is a front view which shows the railway vehicle door which concerns on embodiment in which the expansion-contraction guide member was used as a guide means of a door main body, and its opening / closing apparatus.

9 is a cross-sectional side view showing the expansion guide member and its installation structure.

(A), (b) is a top view which shows the expansion | contraction operation of the said expansion-contraction guide member.

It is a front view which shows the other example of the outer rotor type direct drive motor provided in the said switching device.

12 is a cross-sectional side view of the outer rotor type direct drive motor shown in FIG. 11.

It is a front view which shows one example of the opening / closing apparatus of the conventional railway vehicle door.

(Explanation of the sign)

10A right door body (first door body)

10B Left door body (second door body)

20 switchgear 22 electric motor

23 Wondong Pulley 24 Won pulley

26 Belt (cold transmission member) 27 First connecting member

28 Second connection member 27a, 28a Drive side connection

27b, 28b Door Side Connections 30 Stator

40 outer rotor 42 rotor body

44 Rotary output 70 Extension guide member

71 Vehicle side guide rail (vehicle side guide member)

72 Door Side Guide Rail (Door Side Guide Member)

74 guide rails (comprising the slide mechanism)

75, 76 slider (constituting the slide mechanism)

80 hatch

As a means for solving the above problems, the present invention provides a door opening and closing device for a railroad vehicle which drives the left and right door main bodies installed in a vehicle in an opening and closing direction using an electric motor as a drive source, and is provided on an output side of the electric motor. And a driven vehicle rotatably installed around the vehicle and an axis parallel to the axis of rotation of the motor vehicle at a position spaced apart in a direction parallel to the opening and closing direction of the door body from the binary vehicle, and a winding that extends between the motor vehicle and the driven vehicle. The first connection member connecting the transmission member, the first transmission body and the first door body, which is a door body closer to the motor vehicle, and a portion of the winding transmission member connected to the first transmission member, And a second connecting member for connecting a portion moving in the opposite direction and a second door body, which is a door body far from the motor vehicle. At the same time, the electric motor is constituted by an outer rotor type direct drive motor, the motor vehicle is provided on the outer rotor of the direct drive motor, and the space on the axial front side of the direct drive motor is connected to the first connecting member. The first connecting member is arranged to pass through.

In addition, the "outer rotor type direct drive motor" here has a rotor (outer rotor) arrange | positioned at the outer side of the stator in the radial direction, and the rotational drive force of this outer rotor is output directly outside without a speed reducer. Means the motor.

Since the outer rotor type direct drive motor does not have a speed reducer, the arrangement space is minimal, and since the rotor is arranged outside the stator in the radial direction, the dimension in the axial direction is also very small. Therefore, by installing the motor vehicle on the outer rotor, the axial front of the direct drive motor is avoided without interfering with the first connecting member and the outer rotor type direct drive motor without greatly expanding the first connecting member toward the front side. It is possible to arrange the space on the side so that the first connecting member can pass, and thereby the height dimension and the depth dimension (motor axial direction) of the device, while sufficiently securing the movement stroke, that is, the door opening and closing stroke, of the first connecting member. Both of the dimensions in the direction parallel to and) can be suppressed small.

Here, since the outer rotor of the direct drive motor is provided around the stator, the outer diameter is generally large, and does not necessarily coincide with the outer diameter required for the motor vehicle, but when there is such a gap in diameter, the outer By setting the rotor to have a rotor body portion arranged around the stator and a rotation output portion that projects forward from the rotation center of the rotor body portion and constitutes a motor vehicle having a diameter smaller than that of the rotor portion, the diameter of the rotor body portion Regardless, a motor vehicle having an appropriate outer diameter can be installed in the outer rotor. And by arranging a 1st connection member so that the said 1st connection member may pass the upper side or the lower side of the said rotor output part, and the said rotation output part, the said rotation output part protrudes to the axial front side from the rotor main body part, Nevertheless, it is possible to pass the outer rotor front side without causing the first connecting member to greatly expand to the front side and without interfering with the outer rotor.

As described above, in the present invention, in order to avoid interference between the first connecting member and the direct drive motor, the degree of design is limited, and the degree of freedom in setting the shape of the first connecting member is high. For this reason, for example, the said 1st connection member and the 2nd connection member include the drive side connection part extended along the said winding transmission member, and the edge part of the door opening direction back side of this drive side connection part is the said winding transmission. It is also possible to fix to the middle part of a member, and by setting it as such a structure, the sliding stroke of a door main body can be fully ensured, restraining apparatus height dimension small.

Moreover, the said 1st connection member contains the said drive side connection part, the door side connection part which connects the edge part of the door opening direction front side of this drive side connection part, and the said 1st door main body, and opens and closes a 1st door main body. Regardless of the position, the door side connecting portion is always located outside the door opening and closing direction than the direct drive motor, and the driving side connecting portion may be arranged so as to be located at the axial front side of the direct drive motor. Done.

In this arrangement, since the door side connecting portion does not always pass through the front side of the direct drive motor outside the direct drive motor, the door side connecting portion is forward in order to avoid interference between the direct drive motor and the door side connecting portion. There is no need to expand to the side, and the inner dimension of the device is further reduced by that.

Moreover, in this structure, it is necessary to arrange a drive side connection part in the direct drive motor front side, but this drive side connection part should just have the shape extended along a winding transmission member, and connects the said drive side connection part and the door main body. Since the required height dimension is smaller than that of the door side connection portion, even if the drive side connection portion is disposed in front of the direct drive motor, the size of the entire apparatus is hardly affected.

Moreover, similarly to the said 1st connection member, the said 2nd connection member contains the said drive side connection part, the door side connection part which connects the edge part of the front side of the door opening direction of this drive side connection part, and the said 2nd door main body. At the same time, the door side connecting portion is always arranged outside the door opening and closing direction, regardless of the opening and closing position of the second door body, thereby avoiding interference between the second connecting member and the driven vehicle. Need not be considered, and further miniaturization of the entire apparatus can be further proceeded while ensuring sufficient sliding stroke of the second door body.

Moreover, in this invention, the controller which controls the drive of the said direct drive motor can also be arrange | positioned between the said motor vehicle and a driven vehicle. In this way, by effectively utilizing the space between the motor vehicle and the driven vehicle, the entire switchgear including the controller can be compactly arranged.

Moreover, it is more preferable that this invention includes the guide means which guides the door main body to the opening-closing direction in addition to the apparatus which drives each door body as mentioned above, As this guide means, it extends in the said opening-closing direction, The door side guide member fixed in the opening and closing direction similar to the vehicle side guide member fixed to the vehicle side, and fixed to the door main body side, and the vehicle side guide member and the door side guide member can slide in the longitudinal direction. It is suitably provided with the elastic guide member which includes the sliding mechanism which connects so that it may be connected, and the vehicle side guide member is arrange | positioned at the position directly above the hatch of the vehicle opened and closed by the said door main body.

According to this configuration, the elastic guide member, which is a guide means, expands and contracts so that the door-side guide member extending in the same direction with respect to the vehicle-side guide member extending in the opening and closing direction slides through the sliding mechanism in accordance with the opening and closing of the door body. Therefore, the required length of the opening / closing stroke amount of both door main bodies can be distributed to the said vehicle side guide member and the door side guide member. The vehicle side guide member can be shortened by that much, and this vehicle side guide member can be arrange | positioned compactly in the position above a hatch opening.

Embodiment of the Invention

1st Embodiment of this invention is described based on FIGS.

1-4 show the railway vehicle door and its opening / closing apparatus which concern on this embodiment, and FIG. 1 shows the door main body 10A of the right side, and the door main body 10B of the left side from the inside of a cabin. It shows a completely closed state. These door main bodies 10A, 10B are arrange | positioned so that sliding to the left-right direction is possible so as to open and close the hatch | grate formed between the left and right vehicle side frames FL.

A plurality of brackets 12 protruding upward are fixed to the upper ends of the door main bodies 10A and 10B. Each bracket 12 is provided with a door roller 14 that is rotatable around an axis in the front-rear direction (in the longitudinal direction in FIG. 1). On the other hand, on the side wall of the railroad car, a guide rail 16 extending in the opening and closing direction of the door main body is fixed to a position above each door main body 10A, 10B, and the above described doorways (16) 14) is mounted to be rotatable. By this structure, both door main bodies 10A and 10B are supported by the vehicle side so that opening and closing is possible.

The guide rail 16 is supported on the vehicle side via the base plate 18. The base plate 18 has a shape in which the lower half 18b extends longer in the horizontal direction than the upper half 18a, and the base plate 18 is fixed to the vehicle side wall and the base plate 18 The guide rail 16 is fixed along the lower half 18b of the. In the upper half of the base plate 18, an opening and closing device 20 for sliding the door main bodies 10A and 10B in the opening and closing direction is assembled.

The opening and closing device 20 includes an electric motor 22 as a driving source, a driven pulley 23, a driven pulley 24, a belt 26, a first connecting member 27 and a second connecting member ( 28).

The electric motor 22 is configured of a direct drive motor of an outer rotor type as described below, and the front end of the right end portion of the base plate 18 in a state in which the rotation axis thereof faces the front-rear direction (the depth direction in FIG. 1). In Figure 1 it is fixed directly to the front).

The motor pulley 23 corresponds to the motor vehicle according to the present invention, is provided in the outer rotor of the electric motor 22, and is driven to rotate around the axis in the front-rear direction integrally with the outer rotor (described later). ). Therefore, in the drawing example, 10 A of right door main bodies correspond to the 1st door main body (door main body of the side near a motor vehicle) which concerns on this invention, and the left door main body 10B is 2nd which concerns on this invention. It corresponds to a door main body (door main body far from a motor vehicle).

The driven pulley 24 corresponds to the driven car according to the present invention, has an outer diameter equivalent to that of the driven pulley 23, and is parallel to the door opening and closing direction from the driven pulley 23 (left and right in FIG. 1). Direction) and is attached to the upper half 18a of the base plate 18 so as to be rotatable about an axis parallel to the axis of rotation of the prime pulley 23 at that position. have.

The belt 26 corresponds to the winding transmission member according to the present invention, and is interposed between both pulleys 23 and 24, and together with these pulleys 23 and 24, the winding transmission mechanism is constituted.

In addition, the winding drive mechanism used by this invention is not limited to the belt drive mechanism shown, For example, you may use the chain drive mechanism using a chain and a sprocket.

The 1st connection member 27 connects the lower part of the said belt 26 and the bracket 12 of the outer side (right side in FIG. 1) of the right door main body 10A. Specifically, the door extending downward from the drive side connecting portion 27a extending along the lower side portion of the belt 26 and the right end (end of the door opening direction front side) of the driving side connecting portion 27a. It has a side connection part 27b, and the left end part (end part of back side of the door opening direction) of the said drive side connection part 27a is near the driven pulley 24 of the lower part part of the belt 26 via the connection bracket 29. At the same time, the lower end of the door side connecting portion 27b is directly connected to the bracket 12. And as shown, even if the right door main body 10A is in the fully closed position, the door side connection part 27b is located in the door opening-and-closing direction outer side (right side in drawing), rather than the electric motor 22, in other words, The length dimension of the said drive side connection part 27a is set large enough so that the drive side connection part 27a will always be located in the space of the axial front side of the motor 22.

On the other hand, the 2nd connection member 28 is an upper part of the said belt 26, ie, the part which moves to the opposite direction to the lower part of the said belt 26, and the outer side of the left door main body 10A (FIG. In 1, the bracket 12 on the left side is connected. In detail, the drive side connection part 28a extended along the upper side part of the said belt 26, and the door extended downward from the left end part (end of the door opening direction front side) of this drive side connection part 28b. It has a side connection part 28b, and the right end part (end part of the rear side of the door opening direction) of the said drive side connection part 28a is near the motive pulley 23 of the upper part part of the belt 26 via the connection bracket 29. At the same time, the lower end of the door side connecting portion 28b is directly connected to the bracket 12. And as shown, even when the left door main body 10B is in a deployment position, the door side connection part 28b is located in the door opening-and-closing direction outer side (left side in the figure) rather than the driven pulley 24, In other words, a driven pulley The length dimension of the said drive side connection part 28a is set large enough so that the drive side connection part 28a is always located in the space of the axial direction front side of (24).

As shown in FIG. 3, each of the connecting brackets 29 has a groove into which the belt 26 can be inserted, and has an inner surface (for example, the driving side connecting portion 27a of the driving side connecting portions 27a and 28a). Has a main body bracket (29a) fixed to the lower side) and a cover plate (29b) fastened to the main body bracket (29a) and fitted together with the main body bracket (29a) to sandwich the belt (26). 3 is a sectional view taken along the line B-B in FIG. 1, and for convenience, the section of the fixing bracket 29 is shown in solid lines.

Next, the structure of the said electric motor 22 is demonstrated based on FIG. 5 (a), (b). As shown, this electric motor 22 is provided with the stator 30 and the outer rotor 40 provided in the circumference | surroundings.

The stator 30 includes a support member 32 and a plurality of iron cores 33.

The support member 32 has a substantially disc-shaped main body portion, and a boss portion having a screw hole 32a is provided in a plurality of places (four places in the drawing example) on the peripheral edge of the main body portion. In each of the screw holes 32a, bolts inserted through the bolt insertion holes and holes (not shown) provided in the base plate 18 are screwed together, and the supporting members 32 are formed by the bolts. It is fixed to the front (see Fig. 4).

A circular iron core fixing portion 32b protrudes forward from the central portion of the main body of the supporting member 32, and a diameter smaller than the iron core fixing portion 32b further forward from the center of the iron core fixing portion 32b. Rotor support shaft portion 32c protrudes. The plurality of iron cores 33 are arranged radially around the iron core fixing part 32b, and the coils 34 are wound around the iron cores 33. The conductive wires 36 constituting the coils 34 are connected to a motor driving circuit, not shown, through a grommets 35 provided at the circumferential edge portion of the support member 32. In Fig. 5B, 37 is a Hall IC and 38 is a pulse synthesizing circuit.

The outer rotor 40 has the rotor main body part 42 and the rotation output part 44, and both are integrally connected.

The rotor main body 42 includes a rotating plate 45 and a permanent magnet 46. The rotating plate 45 has a front wall 45a having a through hole at its center, and a circumferential wall 45b extending from the outer peripheral portion of the front plate 45a to the rear (right in FIG. 5), and the circumferential wall 45b The permanent magnet 46 is fixed to the inner peripheral surface of the. And the rotor main body part 42 is arrange | positioned so that this permanent magnet 46 may be located in the radial direction outer side of each said iron core 33 with a micro clearance gap.

The rotation output part 44 has a substantially cylindrical shape, and has a large diameter collar part 44a at its rear end. And this rotation output part 44 is inserted through the said rotation plate front wall 45a from the back, and protrudes to the axial front side (left side in FIG. 5 (b)) from the center of the said front wall 45a. In the state, the collar portion 44a overlaps the through-hole circumferential edge portion of the rotating plate front wall 45a, and the overlap portion is fastened by the screw 47. By this fastening, the rotor main body 42 and the rotation output part 44 are integrated.

The rotation output part 44 has an inner diameter larger than the outer diameter of the said rotor support shaft part 32c, and bearings 50 and 52 between the inner peripheral surface of this rotation output part 44 and the outer peripheral surface of the rotor support shaft part 32c. Is interposed. Through these bearings 50 and 52, the whole outer rotor 40 is rotatably supported by the support member 32 side. Then, the belt output preventing snap ring 48 is attached to the front end of the rotation output section 44, so that the rotation output section 44 constitutes the motor pulley 23 as it is.

In addition, when it is possible to match the outer diameter of the said rotor main-body part 42 with the required diameter of the motor vehicle 23, you may abbreviate | omit the said rotation output part 44 and may use the outer rotor whole as a motor vehicle as it is. .

With respect to this electric motor 22, the drive side connection part 27a of the said 1st connection member 27 has a rotation output part (the main body part as a front side of the rotor main body 42) as shown in FIG. It is arrange | positioned so that the space below 44) may pass.

As shown in FIG. 1, the controller 54 which controls the drive of the said electric motor 22 is provided in the position between the said driven pulley 23 and the driven pulley 24. As shown in FIG. As shown in FIG. 3, the controller 54 is fixed to the front surface of the base plate 18, and the drive side connecting portions 27a and 28a and the belt 26 of the respective connecting members 27 and 28 are provided. It has a shape of avoiding interference with.

In addition, a lock device 53 is provided at the center of the front surface of the base plate 18. The locking device 53 is a position between the inner brackets 12 of the door bodies 10A and 10B, and the two connecting members 27 and 28, the belt 26, and the respective brackets 12 and It is installed in a position where interference can be avoided. The locking device 53 includes an electric drive source such as a solenoid controlled by the control device 54, and uses one of the door main bodies 10A and 10B (the right door in the drawing example) by using the driving force. The main body 10A) is switched to the state of fixing to the fully closed position and the state of releasing.

The base plate 18 is included, and the entire opening / closing device 20 is covered by the vehicle outer cover 55 and the vehicle inner cover 56 back and forth. The display device 58 is fixed to the inner surface of the vehicle inner cover 56, and the display contents thereof are displayed inside the vehicle through the window 56a provided on the vehicle inner cover 56. In addition, the vehicle inner cover 56 itself is rotated about the horizontal axis passing through the upper end thereof (opening and closing operation), and functions as an inspection cover.

Next, the operation of this apparatus will be described.

In the electric motor 22 shown in FIG. 5, when an electric current is supplied to the coils 34 wound on the iron cores 33, the outer rotor 40 rotates by the electromagnetic force, and the outer rotor 40 is provided in the outer rotor 40. The driven pulley 23 also rotates.

Here, for example, when the driven pulley 23 rotates counterclockwise in the same degree from the fully open state as shown in FIG. 1, the belt that spans between the driven pulley 23 and the driven pulley 24 ( The lower part of 26 moves also to the right direction, and the 1st connection member 27 and the right door main body 10A which are connected to the lower part of this belt 26 also move to the right direction integrally. At the same time, the second connecting member 28 and the left door main body 10B connected to the upper side portion and the same portion of the belt 26 move in the left direction. That is, both door bodies 10A and 10B slide in the opposite directions to open the door. On the contrary, when the pulley 23 is driven to rotate in the clockwise direction of Fig. 1 from the door open state, both door bodies 10A and 10B are simultaneously driven in the closing direction.

In this apparatus, since the outer rotor type direct drive motor is provided as the electric motor 22, the arrangement space (particularly the front view space) is at least as long as the motor 22 does not have a speed reducer. Moreover, since the outer rotor 40 is arrange | positioned in the radial direction outer side of the stator 30, the dimension of an axial direction is also quite small. Therefore, by installing the motor vehicle 23 in the outer rotor 40, the first connecting member 27 and the transmission are not required even if the first connecting member 27 is not greatly expanded to the front side (left side in FIG. 4). It is possible to arrange the space on the axial front side of the motor 22 so that the first connecting member 27 passes while avoiding the interference with the motor 22, whereby the first connecting member 27 Both the height dimension and the depth dimension (dimensions in the left and right directions in FIGS. 2 to 4) of the apparatus can be suppressed small while ensuring a large movement stroke, that is, a door opening and closing stroke.

More specifically, in this embodiment, although the total diameter of the outer rotor 40 is considerably larger than the diameter calculated | required by the motive pulley 23, the outer rotor 40 arrange | positions the rotor main body arrange | positioned around the stator. The rotation output section 44 constituting the motive pulley 23 from the section 42 is projected toward the axial front side, so that the motive pulley 23 having an appropriate diameter can be integrated with the outer rotor 40. It is. In addition, when the rotor body portion 42 is the front side and the lower side of the rotation output section 44 (the first connecting member 27 is connected to the upper side portion of the belt 26), the rotation output section The rotation output part 44 is axially rotated from the rotor body part 42 by arranging the first connection member 27 so that the first connection member 27 passes. Although protruding toward the front side in the directional direction, the front side of the outer rotor 40 can pass through without interfering with the outer rotor 40 without greatly expanding the first connecting member 27 toward the front side.

Moreover, about each connecting member 27 and 28, both connecting members 27 and 28 are driven along the belt 26 which is a winding transmission member, and the drive side connection parts 27a and 28a and the front opening side part of the door opening direction are shown. Since the door side connection parts 27b and 28b provided in the shape are formed, the end portions of the drive side connection parts 27a and 28a on the rear side of the door opening direction are fixed to the middle portion of the belt 26. As shown in the figure, in order to avoid interference between the intermediate connecting portion 113 of the connecting member 110A and the motor 120 with the reduction gear, the height of the device is reduced compared with the conventional apparatus in which both are positioned in a vertical position. The sliding stroke of the door body can be sufficiently secured.

Moreover, in this embodiment, the door side connection part 27b in the 1st connection member 27 is always arrange | positioned so that it may be located in the outer side (right side in FIG. 1) of the door opening-and-closing direction rather than the electric motor 22, Since the connecting portion 27b does not pass through the front side of the electric motor 22, it is not necessary to inflate the door side connecting portion 27b to the front side in order to avoid the interference of both, so that the depth dimension of the device is further reduced.

For example, as shown in FIG. 6 and FIG. 7 as 2nd Embodiment, the door side connection part 27b of the 1st connection member 27 is in the door opening-closing direction inner side of the electric motor 22 in the state in which the door was closed. In contrast to the apparatus arranged to be located on the left side in FIG. 6, in the apparatus, in order to avoid interference between the door side connecting portion 27b and the electric motor 22, the door side connecting portion is shown in FIG. 7. It is necessary to expand the upper half of the 27b to the outside (the right side in FIG. 7), and interference with other components and the like tends to occur by that amount. As in the first embodiment, the door-side connecting portion 27b is the door main body 10A. Irrespective of the position of the electric motor 22, the door side connecting portion 27b does not need to be inflated (see Fig. 4), so that the inner dimension of the device is reduced.

Further, by the same arrangement as in the first embodiment, the drive side connecting portion 27a in the first connecting member 27 is always positioned on the axial front side of the electric motor 22. This drive side connecting portion 27a ) May have a shape extending along the belt 26, and the required height dimension is smaller than that of the door side connection portion 27b, so that the entire apparatus may be disposed even if the drive side connection portion 27a is disposed in front of the direct drive motor. Has little effect on the size of the.

In addition, in the first embodiment, the door-side connecting portion 28b is always positioned outside the driven pulley 24 (left side in FIG. 1) with respect to the second connecting member 28 regardless of the position of the door main body 10B. Since it is arrange | positioned to locate, unlike the said door side connection part 28b of the 2nd connection member 28 located in the inside (right side in FIG. 6) of the driven pulley 24 like the said 2nd Embodiment, In order to avoid interference with the pulley 24 or the first connecting member 27, there is no need to expand the door side connecting portion 28b to the front side (door side connecting portion 28b of FIG. 2 and door side connecting portion 28b of FIG. 7). In this regard, too, the reduction of the device inner dimension can be advanced.

In the first embodiment, since the controller 54 for controlling the drive of the electric motor 22 is disposed between the pulleys 23 and 24, the space between the pulleys 23 and 24 is effectively used. The controller 54 can be compactly put in the switchgear by utilizing. In particular, in the example shown in FIG. 3, the controller 54 is disposed at a position immediately behind the two connecting members 27 and 28 and the belt 26 to interfere with these connecting members 27 and 28 and the belt 26. Since the shape can be avoided, the controller 54 can be placed in the device while suppressing both of the device height dimension and the depth dimension.

In the present invention, the guide means for guiding the door main bodies 10A and 10B in the opening and closing direction is not particularly limited, but instead of the guide rail 16 shown in Fig. 1, Figs. By using the elastic guide member 70 as shown in the figure, a more compact arrangement can be realized even for the guide means.

In the drawing example, the telescopic guide member 70 is provided with respect to each door main body 10A, 10B, and each telescopic guide member 70 is a vehicle side guide rail (vehicle side guide member) 71, and a door. The side guide rail (door side guide member) 72 and the intermediate guide rail 74 interposed between both guide rails 71 and 72 are provided.

The vehicle side guide rail 71 is fixed to the base plate 18 side (vehicle side) in a posture extending in the opening and closing direction of the door bodies 10A and 10B. In the drawing example, the left and right vehicle side guide rails 71 are arranged in a state in which the left and right vehicle-side guide rails 71 are arranged in a straight line at a position directly above the hatch 80 opened and closed by the door bodies 10A and 10B. However, about these vehicle side guide rails 71, it is also possible to unify (the vehicle side guide rails are left and right shared).

The door side guide rail 72 is similarly fixed to the bracket 12 side (door main body side) in a posture extending in the opening and closing direction. Specifically, it is fixed to the rear surface (left side in FIG. 9) of the bracket 12 at the same height position as the vehicle side guide rail 71.

The intermediate guide rail 74 also extends in the opening and closing direction, and a slider 75 fitted to the guide rail 71 so as to be slidable in the longitudinal direction with respect to the vehicle side guide rail 71 on one side thereof. Is fixed, and a slider 76 fitted to the guide rail 72 is fixed to the other side so as to be slidable in the longitudinal direction with respect to the door side guide rail 72. That is, by the intermediate guide rail 74 and both sliders 75 and 76, a sliding mechanism for connecting the vehicle side guide rail 71 and the door side guide rail 72 to be slidable in the longitudinal direction is provided. Consists of.

In addition, a linear motion bearing or the like may be applied to the sliders 75 and 76. In addition, the intermediate guide rail 74 may be omitted and a single slider may be interposed between the vehicle side guide rail 71 and the door side guide rail 72.

According to such a structure, the elastic guide member 70 which is a guide means reciprocates between the closed position which the door main body 10A, 10B shows in FIG. 8 (a), and the position shown in FIG. Therefore, as shown in Figs. 10A and 10B, telescopic expansion and contraction are performed, and in the closed state, the contraction state is the most contracted as shown in Figs. 8A and 10A. That is, unlike the guide rail 16 shown in FIG. 13, the vehicle-side guide rail 71 and the door-side guide rail 72 (moreover, the required length of the opening / closing stroke amount of both the door bodies 10A and 10B) are further described. In the drawing example, since it can distribute | distribute to the intermediate guide rail 74, the vehicle side guide rail 71 can be shortened by that much, and this vehicle side guide rail 71 is arrange | positioned compactly in the position above a hatchway. can do. In particular, in the drawing example, the vehicle-side guide rail 71 can be remarkably shortened by the interposition of the intermediate guide rail 74, and the vehicle-side guide rail is prevented from reaching the receptacle. Work is made easier.

In addition, in this invention, the thing of various structures can also be used also for the electric motor 22. FIG. The modification is shown in FIG. 11 and FIG.

In the electric motor 22 shown, the support member 32 has the shape which covers the main body of the outer rotor 40 from the compartment side (left side in FIG. 12). That is, the support member 32 has the cap part 32d which can store the main body of the outer rotor 40 inside, and the said base part is a direction which the said base plate 18 blocks the opening part of this cap part 32d. The support member 32 is fixed to the plate 18.

On the other hand, the outer rotor 40 includes a rotor shaft 64 that projects through the thick boss portion 32e formed at the center of the cap portion 32d and protrudes toward the front side (left side in FIG. 12). The driving pulley 23 is fixed to the protruding end 64a of the rotor shaft 64 via the key 59. The rotor shaft 64 is connected to the main body in a state that has penetrated the main body of the outer rotor 40 in the support member 32, and further supports the support member (via the bearings 60, 62). It is rotatably supported by the boss part 32e of 32.

According to such a structure, while covering the outer rotor 40 from the outside using the support member 32, while improving the dustproof performance, the outer rotor 40 (details) like the electric motor 22 shown in FIG. Preferably, the direct pulley 23 is connected directly to the rotor shaft 64 of the outer rotor 40 to simplify and compact the structure.

As described above, the present invention, in the opening and closing device for the door of a railway vehicle, the left and right door main body is respectively connected to the winding transmission member between the motor vehicle and the driven vehicle through a connecting member, and the driving source of the motor vehicle. As the outer rotor type direct drive motor is used, the axial front side of the motor passes through the connecting member (first connecting member) closer to the motor vehicle when the door is opened and closed, so that the sliding stroke of the door body is performed. It is possible to reduce the size of the entire apparatus while ensuring sufficient.

Claims (8)

A door opening / closing device for a railroad vehicle, wherein the left and right door bodies installed in a vehicle are driven to slide in the opening and closing direction using an electric motor as a drive source, the motor vehicle provided on the output side of the electric motor, and the opening and closing direction of the door body from the driven vehicle. A driven vehicle rotatably installed about an axis parallel to the axis of rotation of the motor vehicle at a position spaced in a direction parallel to the motor vehicle, a winding transmission member spanning between the driving vehicle and the driven vehicle, the winding transmission member and the door body The first connection member for connecting the first door body, which is a door body on the side closer to the motor vehicle, and the portion moving in the direction opposite to the part where the first connection member is connected in the winding transmission member, and the motor vehicle. And a second connecting member for connecting the second door body, which is a door body far from the side, and the electric motor is of the outer rotor type. The first drive member is constituted of a direct drive motor, and the first drive member is provided on the outer rotor of the direct drive motor, and the first connection member passes through the space on the axial front side of the direct drive motor. In the opening and closing device of the door for railroad cars arranged, Guide means for guiding the respective door bodies in the opening and closing direction, which extends in the opening and closing direction and is extended in the opening and closing direction similarly to the vehicle side guide member fixed to the vehicle side, and fixed to the door main body side. And a telescopic guide member including a door side guide member and a slide mechanism connecting the vehicle side guide member and the door side guide member to be slidable in the longitudinal direction, the vehicle side guide members being connected to both door bodies. An opening / closing device for a door for a railway vehicle, characterized in that it is disposed at a position directly above the hatch of the vehicle to be opened and closed by the vehicle. The outer rotor of the direct drive motor according to claim 1, wherein the outer rotor is disposed around the stator, and rotates to protrude forward from the center of rotation of the rotor body to form a motor vehicle having a diameter smaller than that of the rotor. An opening and closing device for a railway vehicle door having an output part, wherein the first connecting member is disposed so as to pass above or below the rotor body part in front of the rotor body part. The said 1st connection member and the 2nd connection member are a drive side connection part extended along the said winding transmission member, The edge part of the door opening direction back side of this drive side connection part is the said winding transmission member. Opening and closing device for a door of a railway vehicle, characterized in that fixed to the middle part of the. The said 1st connection member includes the said drive side connection part, the door side connection part which connects the edge part of the door opening direction front side of this drive side connection part, and the said 1st door main body, Regardless of the opening / closing position of the door main body, the door side connecting portion is always positioned outside the door opening and closing direction than the direct drive motor, and the driving side connecting portion is disposed at the axial front side of the direct drive motor. An opening / closing device for a door for a railway vehicle, characterized in that. The said 2nd connection member contains the said drive side connection part, the door side connection part which connects the edge part of the door opening direction front side of this drive side connection part, and the said 2nd door main body, Regardless of the opening and closing position of the door body, the door side connecting portion is always arranged to be located outside the door opening and closing direction than the driven vehicle, characterized in that the door opening and closing device for a railway vehicle. 2. The opening and closing device of a railway vehicle door according to claim 1, wherein a controller for controlling the drive of said direct drive motor is disposed between said motor vehicle and a driven vehicle. The door opening and closing device for a railway vehicle according to claim 1, further comprising an intermediate guide member interposed between the vehicle side guide member and the door side guide member. A door opening / closing device for a railroad vehicle, wherein the left and right door bodies installed in a vehicle are driven to slide in the opening and closing direction using an electric motor as a drive source, the motor vehicle provided on the output side of the electric motor, and the opening and closing direction of the door body from the driven vehicle. A driven vehicle rotatably installed around an axis parallel to the rotational axis of the motor vehicle at a position spaced in a direction parallel to the motor vehicle, a winding transmission member spanning between the driving vehicle and the driven vehicle, among the winding transmission member and the door body. A first connection member for connecting the first door body, which is a door body on a side close to the motor vehicle, a part moving in the direction opposite to the part to which the first connection member is connected in the winding transmission member, and from the motor vehicle. And a second connecting member for connecting the second door main body, which is the far door main body, and the electric motor is of the outer rotor type. It is comprised with a direct drive motor, the said drive car is provided in the outer rotor of this direct drive motor, and the said 1st connection member is arrange | positioned so that the said 1st connection member may pass through the space of the axial front side of the said direct drive motor. In the opening and closing device of the door for a railway vehicle, The outer rotor of the direct drive motor has a rotor body portion arranged around the stator and a rotation output portion that projects forward from the rotation center of the rotor body portion and constitutes a motor vehicle having a diameter smaller than that of the rotor portion. The first connecting member is disposed so as to pass through the rotor main body front side and the upper or lower side of the rotary output unit, and the rotor main body of the outer rotor is covered by the support member of the stator. Opening and closing device for doors for railway vehicles.