WO2010109683A1 - 軌道系車両用台車 - Google Patents
軌道系車両用台車 Download PDFInfo
- Publication number
- WO2010109683A1 WO2010109683A1 PCT/JP2009/062062 JP2009062062W WO2010109683A1 WO 2010109683 A1 WO2010109683 A1 WO 2010109683A1 JP 2009062062 W JP2009062062 W JP 2009062062W WO 2010109683 A1 WO2010109683 A1 WO 2010109683A1
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- WIPO (PCT)
- Prior art keywords
- vehicle
- guide
- steering
- pair
- link lever
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B10/00—Power and free systems
- B61B10/04—Power and free systems with vehicles rolling trackless on the ground
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
Definitions
- the present invention relates to a truck vehicle truck that travels on a track.
- track vehicles such as subways and new transportation systems are configured to travel on tracks while being guided by guide rails provided along the tracks.
- vehicle trolleys traveling wheels composed of rubber tires or the like are always arranged in a certain direction with respect to the guide wheels guided by the guide rails, so the direction of the traveling wheels follows the guide rails. Only changed.
- the guide wheel acting force toward the guide rail is greatly applied to the guide wheel due to the force of the traveling wheel going straight and the centrifugal force acting on the vehicle.
- the guide rail come into contact with each other with a large pressure. As a result, the guide wheel and the guide rail are easily worn and deteriorated, which is a problem.
- a steering mechanism for steering the traveling wheels is provided on the vehicle carriage, and when entering the curved guide rail, the steering mechanism increases the slip angle (steering angle). Steering of traveling wheels is performed.
- Patent Document 1 A cart equipped with such a steering mechanism is disclosed in Patent Document 1.
- a pair of traveling wheels configured to be rotatable by a king pin are connected by an axle and are configured to be interlocked with each other by a tie rod disposed along the vehicle width direction.
- a guide wheel guided by the guide rail is attached to the guide frame, and this guide frame can turn around the center between the pair of running wheels with respect to the axle.
- a steering rod for slidably connecting one of the pair of traveling wheels and the guide frame is disposed along the vehicle width direction, and one end of the steering rod connects one of the pair of traveling wheels.
- the guide frame is provided with an actuator that can extend and contract in the vehicle longitudinal direction, and the end of the steering rod on the guide frame side is attached to the actuator.
- the distance between this end and the turning center (or axle) of the guide frame is the distance between the end of the steering rod on the traveling wheel side and the axle.
- the steering rod is inclined with respect to the axle.
- the steering angle of the traveling wheel steered with the turning of the guide frame is changed by changing the attitude of the steering rod arranged in the vehicle width direction by the operation of the actuator in the vehicle longitudinal direction.
- the configuration is adjusted. Therefore, the relationship between the operation of the actuator, the change in the attitude of the steering rod, and the change in the steering angle of the traveling wheel is complicated, and the structure and control are complicated. Therefore, it is difficult to control the operation of the actuator so as to slightly change the steering angle of the traveling wheel.For example, in order to stably travel a vehicle traveling in a straight line, It is difficult to finely adjust the steering angle of the traveling wheel.
- the cart of Patent Document 1 is not provided with a fail-safe function that assumes an actuator failure. For this reason, if the actuator fails while the traveling wheels are tilted with respect to the guide frame, the alignment of the traveling wheels in a straight traveling state is shifted. In this case, the traveling wheel travels in a side slip state, which causes a problem.
- the present invention has been made in view of such circumstances, and its purpose is to prevent wear and deterioration between the guide wheels and the guide rails while simplifying the structure and using an actuator.
- a track system vehicle includes a pair of traveling wheels connected to both ends of a steering axle by king pins, guide wheels guided along a guide provided on the traveling track, and the guide A track system vehicle, wherein the guide frame is configured to be turnable with respect to the steering axle, and is arranged in a vehicle width direction on a center side of the vehicle longitudinal direction with respect to the steering axle.
- the tie rods are arranged along the tie rods so that the pair of running wheels can be interlocked with each other, and arranged on the vehicle end side in the vehicle front-rear direction with respect to the steering axle, and one of the pair of running wheels can be steered.
- first steering arm that is disposed along the vehicle longitudinal direction and that is attached to one king pin of the pair of traveling wheels;
- a second steering arm disposed along the vehicle longitudinal direction and attached to the other king pin of the pair of traveling wheels, and along the vehicle longitudinal direction so as to straddle the steering axle at the center in the vehicle width direction of the steering axle
- An axle bracket provided on the axle bracket, a support shaft provided on the axle bracket and configured to be adjustable in a vehicle longitudinal direction so as to straddle the steering axle with respect to the axle bracket, and disposed along the vehicle longitudinal direction
- Link levers wherein both ends of the tie rod are pivotally attached to center ends of the first steering arm and the second steering arm, respectively, and both ends of the connecting rod are 1
- the steering end of the steering arm and the end of the link lever can be pivoted.
- link lever is rotatably attached to the guide frame, and a long hole extending in the vehicle front-rear direction is provided at a center side end portion of the link lever.
- the long hole and the support shaft Are engaged at a fixed position so as to be rotatable.
- a restoring mechanism for allowing the support shaft to return to the original position is provided on the guide frame, and the actuator is provided on the steering axle. It is configured to be movable in the front-rear direction.
- the guide wheel is supported by a plate spring provided on the guide frame, and a detecting means for detecting a displacement amount of the plate spring is provided, and the plate detected by the detecting means.
- Control means for controlling the actuator in accordance with the amount of displacement of the spring is provided.
- a track system vehicle carriage has a pair of traveling wheels connected to both ends of a steering axle by king pins, guide wheels guided along a guide provided on the traveling track, and the guide wheels attached thereto. And a guide frame, wherein the guide frame is configured to be turnable with respect to the steering axle, and is disposed along a vehicle width direction on a center side of the vehicle longitudinal direction with respect to the steering axle.
- a tie rod configured to be capable of interlocking the pair of traveling wheels, and a connecting rod disposed on the vehicle end side in the vehicle front-rear direction with respect to the steering axle, and configured to steer one of the pair of traveling wheels.
- a first steering arm disposed along the vehicle longitudinal direction and attached to one king pin of the pair of traveling wheels; And a second steering arm attached to the other king pin of the pair of traveling wheels, and an axle provided along the longitudinal direction of the vehicle so as to straddle the steering axle at the center in the vehicle width direction of the steering axle
- both end portions of the tie rod are rotatably attached to the center side end portions of the first steering arm and the second steering arm, respectively, and both end portions of the connecting rod are connected to the first steering arm.
- the vehicle end side end portion and the link end side end portion of the link lever are pivotally attached to the link lever.
- An intermediate portion of the clever is pivotally attached to the guide frame, a long hole extending in the vehicle front-rear direction is provided at a central side end of the link lever, and the long hole and the support shaft are at a fixed position. It is engaged so that it can rotate. For this reason, the support shaft configured as the rotation center of the link lever is movable in the vehicle front-rear direction across the steering axle.
- the link lever rotates around the support shaft at the center side end.
- the link The vehicle end side end portion of the lever rotates more than the intermediate portion of the link lever. At this time, it is greatly shaken in the same direction as the turning of the guide frame.
- the connecting rod moves and the first steering arm moves, and as a result, one of the pair of traveling wheels is larger than the turning angle of the guide frame, resulting in an oversteered slip angle.
- the vehicle is steered.
- the tie rod moves and the second steering arm moves, and as a result, the other of the pair of traveling wheels slips in an oversteer state. It will be steered to be at an angle.
- the pivot center of the link lever when the pivot center of the link lever is located on the center side of the steering axle, when the guide wheel and the guide frame are turned, the support from the vehicle end side end portion of the link lever to the center end portion is performed.
- the end part on the vehicle end side of the link lever is more than the middle part of the link lever. It rotates greatly. At this time, the end portion on the vehicle end side of the link lever is swung in the direction opposite to the turning of the guide frame.
- the connecting rod moves and the first steering arm moves, and as a result, one of the pair of traveling wheels is made smaller than the turning angle of the guide frame, resulting in an understeer slip angle.
- the vehicle is steered.
- the tie rod moves and the second steering arm moves, and as a result, the other of the pair of traveling wheels is in an understeer slip angle. It will be steered to become.
- the traveling wheel is a rubber tire
- a restoring mechanism for allowing the support shaft to return to the original position is provided on the guide frame, and the actuator is provided on the steering axle. It is configured to be movable in the front-rear direction, and the distance from the vehicle end side end portion of the link lever to the support shaft at the center end portion and from the intermediate portion of the link lever to the support shaft at the center end portion.
- the relationship between controlling the ratio to the distance by the actuator and adjusting the slip angle of the pair of traveling wheels is simplified. Therefore, the control of the track vehicle carriage can be simplified. Further, even when the actuator fails, the restoring mechanism can return to the original neutral position before the support shaft is moved by the actuator.
- the pair of traveling wheels is usually adapted to linear traveling and curved traveling. Steering through the street, the vehicle can normally run. Therefore, it is possible to prevent the occurrence of problems due to the failure of the actuator and to ensure the running stability of the vehicle.
- the guide wheel is supported by a plate spring provided on the guide frame, and a detecting means for detecting a displacement amount of the plate spring is provided, and the plate detected by the detecting means.
- Control means for controlling the actuator in accordance with the amount of displacement of the spring is provided, and even if the guide wheel receives a disturbance such as an impact from the guide rail, the disturbance transmitted to the guide frame by the leaf spring Is alleviated and the running stability of the vehicle is ensured. In addition, the ride comfort of the vehicle occupant is improved. Further, the steering amount of the pair of traveling wheels is quickly controlled by the actuator in accordance with the displacement amount of the guide wheel relative to the guide frame detected by the detection means. Therefore, even when the vehicle travels on a curved guide rail, the slip angle of the pair of traveling wheels is adjusted quickly and appropriately. Therefore, the running stability of the vehicle is ensured.
- vehicle The cart used for the track system vehicle (hereinafter referred to as “vehicle”) according to the first to third embodiments of the present invention will be described below.
- vehicle vehicle
- description will be made using a vehicle provided with a carriage on the vehicle front side and the rear side as an example of the vehicle, and the traveling direction of the vehicle will be described as the vehicle front.
- a pair of left and right center guides 1 are arranged in the vehicle width direction along the track path of the vehicle in the vehicle width direction.
- the vehicle travels while being guided along the center guide 1.
- a front bogie 3 on the front side of the vehicle and a rear bogie 4 on the rear side are respectively disposed in the lower part of the vehicle body 2.
- a pair of traveling wheels 5 is provided on the carts 3 and 4.
- rubber tires are mainly used in vehicles such as subways and new transportation systems.
- a wheel manufactured from another material such as an iron wheel may be used.
- Such a pair of traveling wheels 5 are configured to be rotatable about the same axis 5a, and are arranged at an interval in the vehicle width direction.
- a steering axle 6 is disposed on the carriages 3 and 4 along the axis 5 a of the traveling wheel 5.
- the pair of running wheels 5 are attached to both ends of the steering axle 6 by king pins 7 and are connected to each other.
- a guide frame 8 is disposed below the steering axle 6 so as to extend in the vehicle front-rear direction with respect to the steering axle 6.
- the guide frame 8 is provided with a pair of longitudinal beams 8a extending in the vehicle front-rear direction at intervals in the vehicle width direction, and further, the pair of longitudinal beams 8a.
- the horizontal beams 8b extending between both ends in the vehicle front-rear direction are disposed.
- Guide wheels 9 are attached to both ends of the vertical beam 8a so as to be rotatable about a rotation shaft 9a. Therefore, a pair of guide wheels 9 are located on the vehicle end side and the center side in the vehicle longitudinal direction with respect to the steering axle 6.
- the center guide 1 passes between the pair of guide wheels 9, and the guide wheels 9 roll on the outer side surface of the center guide 1 in the vehicle width direction and are guided by the center guide 1.
- a support beam 8c extending between the pair of vertical beams 8a is disposed at a position between the steering axle 6 and the lateral beam 8b on the vehicle end side.
- the support beam 8c is provided with a mounting shaft 10 that protrudes upward.
- the attachment shaft 10 is disposed on a central axis 5b extending in the vehicle front-rear direction at the center between the pair of traveling wheels 5.
- the guide frame 8 is provided with a first turning member 11 extending from the pair of longitudinal beams 8a outward in the vehicle width direction along the steering axle 6.
- a second turning member 12 extending in the vehicle width direction is disposed below the first turning member 11.
- a linear guide 13 is provided between the first turning member 11 and the second turning member 12.
- the linear guide 13 is disposed on an imaginary circle 8e having a constant radius around a turning center axis 8d extending in the vertical direction at the center between the pair of traveling wheels 5.
- the turning center axis 8d corresponds to the intersection of the axis 5a of the traveling wheel 5 and the center axis 5b extending in the vehicle longitudinal direction at the center between the pair of traveling wheels 5.
- the first turning member 11 can turn with respect to the second turning member 12 about the turning center axis 8 d.
- the second turning member 12 is attached to the steering axle 6, so that the guide frame 8 can turn around the turning center axis 8 d with respect to the steering axle 6.
- the carriages 3 and 4 are provided with a restoring rod 14 and a horizontal damper 15.
- the restoring rod 14 and the horizontal damper 15 are omitted.
- the restoring rod 14 is disposed on the vehicle end side of the steering axle 6 and on one side of the pair of traveling wheels 5 with respect to the central axis 5b.
- One end of the restoring rod 14 is pivotably attached to the longitudinal beam 8a of the guide frame 8, and the other end of the restoring rod 14 is pivotally attached to the second turning member 12.
- the horizontal damper 15 is disposed on the vehicle end side with respect to the steering axle 6 and on the other side of the pair of traveling wheels 5 with respect to the central axis 5b.
- One end of the horizontal damper 15 is rotatably attached to the vertical beam 8a of the guide frame 8, and the other end of the horizontal damper 15 is rotatably attached to the second turning member 12. Therefore, the restoring rod 14 and the horizontal damper 15 allow the guide frame 8 to return to the original neutral position even after turning, and further, the turning of the guide frame 8 is buffered.
- a first steering arm 16 that enables steering of one of the pair of traveling wheels 5 is disposed along the vehicle longitudinal direction, and one of the pair of traveling wheels 5 is disposed. It is attached to the kingpin 7.
- a second steering arm 17 that enables the other of the pair of traveling wheels 5 to be steered is disposed along the vehicle front-rear direction and attached to the other king pin 7 of the pair of traveling wheels 5.
- a tie rod 18 for interlocking the pair of traveling wheels 5 with each other is disposed along the vehicle width direction on the center side of the steering axle 6. Both end portions of the tie rod 18 are rotatably attached to the center side end portions of the first steering arm 16 and the second steering arm 17, respectively.
- a connecting rod 19 for steering one of the pair of running wheels 5 is disposed along the vehicle width direction on the vehicle end side of the steering axle 6.
- An axle bracket 20 that is disposed along the vehicle front-rear direction so as to straddle the steering axle 6 is attached to the center of the steering axle 6 in the vehicle width direction.
- the axle bracket 20 is provided with a support shaft 21 protruding upward from the vehicle.
- the support shaft 21 is configured to be position-adjustable in the vehicle front-rear direction so as to straddle the steering axle 6.
- a link lever 22 is disposed along the central axis 5 b so as to straddle the steering axle 6.
- a vehicle end side end portion of the first steering lever 16 is rotatably attached to one end portion of the connecting rod 19, and a vehicle end side end portion of the link lever 22 is rotated to the other end portion of the connecting rod 19. Installed as possible.
- An intermediate portion of the link lever 22 is rotatably attached to an attachment shaft 10 provided on the guide frame 8.
- a long hole 22 a extending in the vehicle front-rear direction so as to straddle the steering axle 6 is provided at the center side end of the link lever 22.
- the long hole 22a and the support shaft 21 provided in the axle bracket 20 are engaged with each other so as to be rotatable at a fixed position. Therefore, the engagement position between the support shaft 21 and the long hole 22 a can be changed in the vehicle front-rear direction so as to straddle the steering axle 6.
- FIG. 4 Regard the change of the slip angle of the traveling wheel 5 due to the change of the engagement position between the support shaft 21 and the long hole 22a, FIG. 4, FIG. 5 (a), FIG. 5 (b), FIG. This will be described with reference to FIG.
- a slip angle ⁇ 1 that is inclined toward the inner track side with respect to the tangential direction of the curve occurs in one of the pair of traveling wheels 5 in the front carriage 3, and the pair of traveling wheels 5 in the rear carriage 4.
- a slip angle ⁇ 2 that is inclined toward the outer gauge side with respect to the tangential direction of the curve is generated. Further, as one of the pair of traveling wheels 5 is steered, the tie rod 18 moves and the second steering arm 17 moves.
- a cornering force (indicated by an arrow CF1) is generated on the pair of traveling wheels 5 toward the inside of the curve, and on the inner track side, with respect to the curve on the guide wheel 9 on the vehicle end side.
- the guide wheel acting force toward the outside (indicated by arrow F1) is reduced, and the guide wheel acting force toward the outside (indicated by arrow F2) with respect to the curve of the guide wheel 9 on the center side is reduced.
- the contact pressure with the guide wheel 9 on the rail side is reduced.
- a cornering force (indicated by an arrow CF2) toward the outer side of the curve is generated in the pair of traveling wheels 5, and on the outer gauge side, with respect to the curve on the guide wheel 9 on the vehicle end side.
- the guide wheel acting force (indicated by arrow F3) toward the inside is reduced, and the guide wheel acting force (indicated by arrow F4) toward the inside with respect to the curve of the central guide wheel 9 is reduced.
- the contact pressure with the guide wheel 9 on the outer track side is reduced.
- one of the pair of running wheels 5 causes a slip angle ⁇ 3 that is inclined toward the outer gauge side with respect to the tangential direction of the curve.
- the pair of running wheels 5 On the other hand, a slip angle ⁇ 4 (not shown) that tilts toward the inner track side with respect to the tangential direction of the curve is generated. Further, as one of the pair of traveling wheels 5 is steered, the tie rod 18 moves and the second steering arm 17 moves.
- a slip angle ⁇ 3 that is inclined toward the outer track side with respect to the tangential direction of the curve is generated on the other side of the pair of traveling wheels 5 in the front carriage 3, and the pair of traveling wheels 5 is
- a slip angle ⁇ 4 (not shown) that tilts toward the inner track side with respect to the tangential direction of the curve is generated. Accordingly, the carts 3 and 4 are understeered.
- the mode as described above is used in a situation where the vehicle travels on a canted curve at a speed slightly lower than the equilibrium speed and travels in a state where there is an excessive amount of canting.
- a cornering force (indicated by an arrow CF3) toward the outside of the curve is generated in the pair of traveling wheels 5 in the front carriage 3, and on the outer gauge side, with respect to the curve in the guide wheel 9 on the vehicle end side.
- the inward guide wheel acting force (indicated by arrow F5) is reduced, the inward guide wheel acting force (indicated by arrow F6) with respect to the curve of the central guide wheel 9 is reduced, and the center guide 1 and the outer The contact pressure with the guide wheel 9 on the rail side is reduced.
- the slip angle of the pair of traveling wheels 5 is determined according to the curvature radius of the curved center guide 1 and the traveling speed of the vehicle.
- the cornering force of the pair of traveling wheels 5 can be adjusted.
- the guide wheel acting force of the guide wheel 9 toward the center guide 1 can be reduced, and the contact pressure between the center guide 1 and the guide wheel 9 can be reduced.
- the traveling wheel 5 is a rubber tire
- from the vehicle end side end portion of the link lever 22 to the support shaft 21 at the center side end portion in the oversteer state in response to a decrease in cornering force that changes due to wear of the rubber tire Is increased with respect to the distance from the intermediate portion of the link lever 22 to the support shaft 21 at the center end, thereby increasing the slip angle of the pair of traveling wheels 5, and the center guide 1 and the guide wheels 9.
- the contact pressure can be adjusted to reduce efficiently.
- the vehicle carriage according to the second embodiment of the present invention will be described below.
- the basic configuration of the vehicle according to the second embodiment is the same as the configuration of the vehicle according to the first embodiment. Elements similar to those in the first embodiment will be described using the same symbols and names as those in the first embodiment. Here, a configuration different from the first embodiment will be described.
- the guide frame 8 is provided with a restoring mechanism 31 along the vehicle front-rear direction.
- the restoring mechanism 31 is configured so that the support shaft 21 that has moved during curved traveling can be returned to the original neutral position in a straight traveling state.
- a coil spring may be used, but other urging means other than the coil spring may be used.
- an actuator 32 that can extend and contract in the vehicle longitudinal direction is disposed along the vehicle longitudinal direction.
- the actuator 32 is configured to allow the support shaft 21 to move in the vehicle front-rear direction. Therefore, the position of the support shaft 21 in the longitudinal direction of the vehicle can be adjusted by the operation of the actuator 32.
- the distance from the vehicle end side end of the link lever 22 to the support shaft 21 at the center end and the distance from the intermediate portion of the link lever 22 to the center end is simplified. Therefore, the control of the carriages 3 and 4 can be simplified. Even when the actuator 32 fails, the restoring shaft 31 can return the support shaft 21 to the original neutral position before the movement by the actuator 32. In addition, since the operation of the actuator 32 is separated from the turning of the guide frame 8 and the steering of the traveling wheels 5, even if the actuator 32 breaks down, the pair of traveling wheels 5 is usually adapted to linear traveling and curved traveling. Steering through the street, the vehicle can normally run. Therefore, it is possible to prevent the occurrence of problems associated with the failure of the actuator 32, and thus to ensure the running stability of the vehicle.
- a vehicle carriage according to a third embodiment of the present invention will be described below.
- the basic configuration of the vehicle according to the third embodiment is the same as the configuration of the vehicle according to the second embodiment.
- the same elements as those of the second embodiment will be described using the same symbols and names as those of the third embodiment.
- a configuration different from the second embodiment will be described.
- the guide frame 8 is provided with a pair of longitudinal beams 8g extending in the vehicle front-rear direction and spaced apart in the vehicle width direction. Further, transverse beams 8h extending in the vehicle width direction are disposed at both ends of the guide frame 8 in the vehicle front-rear direction. Guide wheels 9 are attached to both ends of the horizontal beam 8h so as to be rotatable about a rotation shaft 9a. A leaf spring 41 is disposed between both ends of the longitudinal beam 8g in the vehicle front-rear direction and the lateral beam 8h. Therefore, a pair of guide wheels 9 and a leaf spring 41 are positioned on the vehicle end side and the center side in the vehicle longitudinal direction with respect to the steering axle 6, respectively.
- the center guide 1 passes between the pair of guide wheels 9, and the guide wheels 9 roll on the outer side surface of the center guide 1 in the vehicle width direction and are guided by the center guide 1.
- the detecting means 42 capable of detecting the displacement amount of the leaf spring 41 is provided on the guide frame 8 corresponding to the leaf spring 41.
- a limit switch may be used, but other detecting means may be used as long as the displacement amount of the leaf spring 41 can be detected.
- a control means 43 for controlling the actuator 32 is provided corresponding to the amount of displacement of the leaf spring 41 detected by the detection means 42.
- the guide wheel 9 receives a disturbance such as an impact from the center guide 1
- the disturbance transmitted to the guide frame 8 by the leaf spring 41 is alleviated.
- the running stability of the vehicle is ensured.
- the ride comfort of the vehicle occupant is improved.
- the steering amount of the pair of traveling wheels 5 is quickly controlled by the actuator 32 in accordance with the amount of displacement of the guide wheels 9 relative to the guide frame 8 detected by the detecting means 42. Therefore, even when the vehicle travels on the curved center guide 1, the slip angle of the pair of traveling wheels 5 is adjusted quickly and appropriately. Therefore, the running stability of the vehicle is ensured.
- the guide wheel 9 is a center guide type guide rail in which a pair of left and right guide rails are provided in the vehicle width direction. It may be configured to be guided by rolling the surface. The same effects as those of the first to third embodiments can be obtained.
- the guide wheel 9 is guided by a pair of left and right side guides arranged on the outer side in the vehicle width direction of the vehicle. May be. The same effects as those of the first to third embodiments can be obtained.
Abstract
Description
そのため、前記リンクレバーの回動中心として構成される前記支持軸が、前記ステアリング車軸を跨いで車両前後方向に移動可能となっている。
本発明の第1実施形態の車両用台車について以下に説明する。図1を参照すると、矢印Aの方向に進行する車両において、車幅方向に左右一対のセンターガイド1が、車両の車幅方向中間で車両の軌道経路に沿って配置されており、車両は、このセンターガイド1に沿って案内されながら走行する構成となっている。このような車両において、車体2の下部には、車両の前方側の前側台車3および後方側の後側台車4がそれぞれ配置されている。
本発明の第2実施形態の車両用台車について以下に説明する。第2実施形態の車両の基本的な構成は、第1実施形態の車両の構成と同様になっている。第1実施形態と同様な要素は、第1実施形態と同様の符号および名称を用いて説明する。ここでは、第1実施形態と異なる構成について説明する。
本発明の第3実施形態の車両用台車について以下に説明する。第3実施形態の車両の基本的な構成は、第2実施形態の車両の構成と同様になっている。第2実施形態と同様な要素は、第3実施形態と同様の符号および名称を用いて説明する。ここでは、第2実施形態と異なる構成について説明する。
2 車体
3 前側台車
4 後側台車
5 走行輪
5a 軸線
5b 中央軸線
6 ステアリング車軸
7 キングピン
8 案内フレーム
8a,8g 縦梁
8b,8h 横梁
8c 支持梁
8d 旋回中心軸
8e 仮想円
8f 軸線
9 案内輪
10 取付軸
11 第1旋回部材
12 第2旋回部材
13 リニアガイド
14 復元ロッド
15 水平ダンパ
16 第1ステアリングアーム
17 第2ステアリングアーム
18 タイロッド
19 連結ロッド
20 車軸ブラケット
21 支持軸
22 リンクレバー
22a 長孔
31 復元機構
32 アクチュエータ
41 板バネ
42 検出手段
43 制御手段
A,F1~F6,CF1~CF3,S 矢印
α1~α3 スリップアングル
d1~d6 距離
Claims (3)
- ステアリング車軸の両端にそれぞれキングピンによって連結された一対の走行輪と、
走行軌道上に設けられるガイドに沿って案内される案内輪と、
前記案内輪を取付けた案内フレームとを備え、
前記案内フレームが前記ステアリング車軸に対して旋回可能に構成されている、軌道系車両において、
前記ステアリング車軸に対して車両前後方向の中央側で車幅方向に沿って配置され、かつ前記一対の走行輪を連動可能に構成したタイロッドと、
前記ステアリング車軸に対して車両前後方向の車端側に配置され、かつ前記一対の走行輪の一方を操舵可能に構成した連結ロッドと、
車両前後方向に沿って配設され、かつ前記一対の走行輪の一方のキングピンに取付けられる第1ステアリングアームと、
車両前後方向に沿って配設され、かつ前記一対の走行輪の他方のキングピンに取付けられる第2ステアリングアームと、
前記ステアリング車軸の車幅方向中央で前記ステアリング車軸を跨ぐように車両前後方向に沿って設けられる車軸ブラケットと、
前記車軸ブラケットに設けられ、かつ前記車軸ブラケットに対して前記ステアリング車軸を跨ぐように車両前後方向に位置調整可能に構成される支持軸と、
車両前後方向に沿って配置されるリンクレバーとを備え、
前記タイロッドの両端部が、前記第1ステアリングアームおよび前記第2ステアリングアームの中央側端部にそれぞれ回動可能に取付けられ、
前記連結ロッドの両端部が、前記第1ステアリングアームの車端側端部および前記リンクレバーの車端側端部にそれぞれ回動可能に取付けられ、
前記リンクレバーの中間部が、前記案内フレームに回動可能に取付けられ、
前記リンクレバーの中央側端部に車両前後方向に延びる長孔が設けられ、
前記長孔と前記支持軸とが一定の位置で回動可能に係合している、軌道系車両。 - 前記支持軸の移動後に、前記支持軸を元の位置に復帰可能とするための復元機構が前記案内フレームに設けられ、前記ステアリング車軸に設けられたアクチュエータによって、車両前後方向に移動可能に構成されている、請求項1に記載の軌道系車両。
- 前記案内フレームに設けられた板バネによって前記案内輪が支持され、前記板バネの変位量を検出するための検出手段が設けられ、前記検出手段により検出される板バネの変位量に対応して前記アクチュエータを制御するための制御手段が設けられている、請求項2に記載の軌道系車両。
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US13/143,841 US8381660B2 (en) | 2009-03-25 | 2009-07-01 | Track-guided vehicle wheel truck |
KR1020117017836A KR101252979B1 (ko) | 2009-03-25 | 2009-07-01 | 궤도계 차량용 대차 |
CN200980155339.6A CN102292251B (zh) | 2009-03-25 | 2009-07-01 | 轨道系车辆用转向架 |
SG2011050937A SG172980A1 (en) | 2009-03-25 | 2009-07-01 | Track-guided vehicle wheel truck |
HK12100907.8A HK1160425A1 (en) | 2009-03-25 | 2012-02-01 | Track-guided vehicle wheel truck |
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JP2009073954A JP4995217B2 (ja) | 2009-03-25 | 2009-03-25 | 軌道系車両用台車及び軌道系車両 |
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JP (1) | JP4995217B2 (ja) |
KR (1) | KR101252979B1 (ja) |
CN (1) | CN102292251B (ja) |
HK (1) | HK1160425A1 (ja) |
SG (1) | SG172980A1 (ja) |
TW (1) | TW201034881A (ja) |
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JP2010221951A (ja) | 2010-10-07 |
US8381660B2 (en) | 2013-02-26 |
KR101252979B1 (ko) | 2013-04-15 |
TW201034881A (en) | 2010-10-01 |
CN102292251B (zh) | 2014-03-12 |
CN102292251A (zh) | 2011-12-21 |
SG172980A1 (en) | 2011-08-29 |
KR20110103449A (ko) | 2011-09-20 |
HK1160425A1 (en) | 2012-08-17 |
US20110265683A1 (en) | 2011-11-03 |
JP4995217B2 (ja) | 2012-08-08 |
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