KR20130038570A - The wheel-system device for light rail transit that shuttled on one-rail and the light rail transit using the same - Google Patents

The wheel-system device for light rail transit that shuttled on one-rail and the light rail transit using the same Download PDF

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Publication number
KR20130038570A
KR20130038570A KR1020110103001A KR20110103001A KR20130038570A KR 20130038570 A KR20130038570 A KR 20130038570A KR 1020110103001 A KR1020110103001 A KR 1020110103001A KR 20110103001 A KR20110103001 A KR 20110103001A KR 20130038570 A KR20130038570 A KR 20130038570A
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KR
South Korea
Prior art keywords
wheel
upper plate
rail
outer rail
light rail
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KR1020110103001A
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Korean (ko)
Inventor
양회성
이상철
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양회성
이상철
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Priority to KR1020110103001A priority Critical patent/KR20130038570A/en
Publication of KR20130038570A publication Critical patent/KR20130038570A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/04—Monorail systems
    • 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
    • B61F5/46—Adjustment controlled by a sliding axle under the same vehicle underframe

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Escalators And Moving Walkways (AREA)

Abstract

PURPOSE: A wheel system and a one-railed light railway vehicle using the same are provided to maintain the body direction of the light railway vehicle because a wheel part is positioned on a central axis line of an upper plate by elastically turning in a lateral direction. CONSTITUTION: A wheel system of a one-railed light railway vehicle comprises multiple wheel parts, a connection member(16), and a receiving part(21). The wheel parts com in contact with a one-lined rail(3). The connection member comprises a bottom part(16b) and a top part(16a). The top part is connected to an upper plate of the light railway vehicle, and makes a wheel part turn at a predetermined angle corresponding to a curved part of the one-lined rail. The receiving part is formed on the upper plate so that the wheel part can reciprocate in the lateral direction of the upper plate.

Description

The wheel-system device for light rail transit that shuttle on one-rail and the light rail transit using the same}

The present invention relates to a wheel system of an outer light rail and an outer light rail using the same, and more particularly, by applying a wheel system including a plurality of wheel parts, a connecting member, and a receiving part formed on the upper plate to the outer light rail, to a sharp curved part. The present invention relates to a wheel system of a light rail type light rail capable of effectively distributing a load even in a light rail type and a light rail type light rail using the same.

Up to now, railways generally maintain a monolithic system of four wheels in which two pairs of rails are laid and two wheelsets are fixed bogies. Such a conventional railway requires not only ground work considering cant and slack due to the centrifugal force on the curved section, but also it is difficult to form the curved section within a radius of curvature of 40 m.

Here, Kantran refers to laying the outer rails high relative to the inner rails so that railway vehicles can pass smoothly through the curve point, which means that the outer rails of the curve are higher than the inner rails to attract gravity to the center of the track. By doing so, it prevents the deviation of gravity direction by centrifugal force during exercise. And slack refers to extending the inner rail of the curve toward the center of the curve. This slack allows the fixed wheels of the four wheels to travel smoothly between the two-wire rails.

The rail work in which cant and slack are laid in the curved section has been a problem in increasing the construction period and in the maintenance, and forming a curved section with a curvature radius of more than 40 m has become a problem in the efficient use of land space. In addition, it takes up more space than the two-wire rail to install, the size of the structure is increased, and thus the construction cost is expensive, which could hinder the urban aesthetics. In addition, the existing railway linear plan has a problem in that it is difficult to use the railway because it is difficult to use sharp curves, slopes and roads.

In order to solve this problem, Korean Patent Publication No. 10-2010-0102400 discloses a content of a Y-type monorail. Specifically, the present disclosure uses the driving wheel and stabilizer guide wheels in contact with the Y-type monorail to secure driving stability of the Y-type monorail and prevents derailment of the Y-type monorail.

However, the present invention has a problem that the manufacturing cost is increased due to the complicated structure as well as the complicated structure.

Accordingly, the present invention has been made to solve the above problems, the wheel system including a plurality of wheel portion, the connecting member and the receiving portion formed on the upper plate is applied to the outer light rail, so that each of the wheel portion on the curved portion of the top plate The present invention provides a wheel system of an external light rail and an external light rail used therein, which are located in the direction of the centrifugal force with respect to the center axis to effectively distribute the load by the centrifugal force applied to the external light rail.

In addition, the need for forming the cant in the curved portion of the outer rail reduces the construction period, thereby reducing the cost, and the curved light rail can be formed within the radius of curvature of less than 40 m. And to provide a wheel system of the light rail type used for this.

In addition, the connecting member connected to the foremost wheel part and the rear wheel part among the plurality of wheel parts is fixed on the center axis of the upper plate and only rotates at an angle corresponding to the curved part of the outer rail, thereby passing the curved part. The present invention provides a wheel system of an external light rail and an external light rail used in the same, in which load can be effectively distributed and the body of the light rail can be stably turned along the rail.

In addition, the external light rail equipped with a balance control device is always balanced when driving, so that the load transmission can be evenly distributed throughout the structure, and by using the external rail, less space is used for the rail installation and rail installation and It is to provide an external light rail and the wheel system of the external light rail used for the efficient use of railroads due to the reduction of the size of related structures and the use of sharp curves, slopes and roads in relation to the railway linear plan.

Means for achieving the object of the present invention, the wheel portion is placed on the outer rail to move through the rotation, the top plate is connected to the wheel portion located on the top of the wheel portion, the body located on the top plate and receiving the passenger and A wheel system for use in an external light rail including a balance adjusting device provided between a top plate and a body to adjust a balance, comprising: a plurality of wheel parts in contact with an external rail; A connection member comprising a lower end connected to the wheel part and an upper part connected to the upper plate and configured to rotate the wheel part at an angle corresponding to the curved part of the outer rail; And an accommodating portion formed in the upper plate to accommodate the upper end portion, and the wheel portion can be reciprocated in the left and right directions of the upper plate, and is provided between the outer rail and the upper plate, and the wheel is reciprocated in the left and right direction while the wheel is rotated at a predetermined angle along the outer rail. It is characterized by.

In addition, the connecting member connected to the foremost wheel portion and the rear wheel portion of the plurality of wheel portion is characterized in that it only rotates at a predetermined angle corresponding to the curved portion of the outer rail in a state fixed on the central axis of the top plate. .

In addition, the connecting member connected to the wheel portion located in the center of the upper plate of the plurality of wheel portion is characterized in that only the reciprocating motion in the left and right direction in a state fixed to the upper plate.

In addition, it characterized in that the elastic force acts on the angular rotation of the wheel portion and the reciprocation of the left and right directions so that the wheel portion lies on the center axis of the top plate.

In addition, the accommodating portion, characterized in that the upper end is formed with a step to prevent the separation from the top plate.

In addition, the plurality of wheels are characterized in that the driving position on the curved portion of the outer rail is offset to the direction in which the centrifugal force acts on the basis of the center axis of the upper plate, respectively.

In addition, the wheel portion is placed on the outer rail to move through the rotation; A top plate connected to the wheel part and positioned above the wheel part; A body positioned above the top plate to accommodate a passenger; Balance control device for adjusting the balance of the body and provided between the top plate and the body; And a connecting member comprising a plurality of wheel parts in contact with the outer rail, an upper part connected to the lower part connected to the wheel part and the upper plate, and having a wheel part rotatably rotated at an angle corresponding to the curved part of the outer rail. It includes a wheel system provided between the outer rail and the upper plate made of an accommodating portion formed on the upper plate so that the wheel portion can be reciprocated in the left and right directions of the upper plate, the wheel portion is rotated at a predetermined angle along the outer rail to reciprocate in the left and right directions It is characterized by.

In addition, the connecting member connected to the foremost wheel portion and the rear wheel portion of the plurality of wheel portion is characterized in that it only rotates at a predetermined angle corresponding to the curved portion of the outer rail in a state fixed on the central axis of the top plate. .

In addition, the plurality of wheels are characterized in that the driving position on the curved portion of the outer rail is offset to the direction in which the centrifugal force acts on the basis of the center axis of the upper plate, respectively.

According to the present invention, a wheel system including a plurality of wheel parts, a connecting member, and a receiving portion formed on the upper plate is applied to the outer light rail, so that each of the wheel portions on the curved portion is located in the direction of the centrifugal force with respect to the center axis of the upper plate. do. This has the effect of effectively distributing the load due to the centrifugal force applied to the linear light rail.

Therefore, it is not necessary to form a cant in the curved portion of the outer rail, so the construction period is shortened and the cost can be reduced, and the curved section can be formed within a radius of curvature of 40 m, thereby making effective use of land space. .

In addition, the connecting member connected to the foremost wheel part and the rear wheel part among the plurality of wheel parts is fixed on the center axis of the upper plate and only rotates at an angle corresponding to the curved part of the outer rail, thereby passing the curved part. At the same time, the load can be effectively distributed and the body of the light rail can be stably diverted along the rail.

In addition, the connecting member connected to the wheel portion located in the center of the upper plate of the plurality of wheel parts is to be fixed to the upper plate only by reciprocating movement in the left and right direction, so that the load is effectively distributed when passing the curved portion and the wheel located at the center of the upper plate There is an effect that the body of the trajectory light rails can be reliably changed along the negative travel direction.

In addition, the elastic force acts on a constant angle rotation of the wheel portion and the reciprocation of the left and right directions so that the wheel portion is positioned on the center axis of the upper plate, thereby maintaining the orientation of the light rail body.

In addition, light rails can be miniaturized by the use of external rails, enabling the use of high-efficiency energy due to the weight reduction of vehicles and the reduction of frictional resistance, and the construction of light rail networks on elevated roads, above ground or underground. The composition of the effect is possible.

In addition, the linear light rail according to the present invention is capable of driving at high speeds not only in the straight section but also in the curved section by the organic operation of the wheel system and the balance control device, thereby clearly distinguishing the conventional monorail.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a front cross-sectional view of an outline light rail and wheel system according to the present invention.
Figure 2 is a side view of the outline light rail and wheel system according to the present invention.
3 is a plan sectional view of a wheel system according to the present invention;
Figure 4a is a cross-sectional view showing the operating state of the wheel system when the curved light rail moves the curved portion according to the present invention.
4B is a longitudinal cross-sectional view of the wheel portion located in the center of the top plate of FIG. 4A;

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the configuration of the wheel system of the outer light rail and the outer light rail using the same according to a preferred embodiment of the present invention.

(Light rail)

1 is a front sectional view of an outline light rail and wheel system according to the present invention, FIG. 2 is a side view of the light rail and wheel system according to the present invention, and FIG. 3 is a plan sectional view of a wheel system according to the present invention. 4A is a plan sectional view showing an operating state of the wheel system when the curved light rail moves in a curved portion according to the present invention, and FIG. 4B is a longitudinal sectional view of a wheel portion located at the center of the upper plate of FIG.

As shown in Figures 1 and 2, the outline light rail (1) according to the present invention may comprise approximately the wheel portion 10, the top plate 20, the body 30 and the balance adjusting device 40. have. Here, the light rail (1) may be manufactured in the size of a typical train.

The wheel part 10 is a part having technical features in the invention for the external light rail 1, and is clearly distinguished from a pair of wheels corresponding to a conventional two-wire rail rotating and moving. The wheel portion 10 is in contact with the outer rail (3) in the lower side and is connected to the upper plate 20 in the upper side, and moves the light rail (1) along the outer rail (3) through the rotational force. It plays a role.

The wheel unit 10 may include the wheel 11, the central shaft 12, the support bar 13, the guide roller 14, and the power unit 15, and the upper plate through the connecting member 16. It is connected with (20) and is a part that can be variously modified in form. The wheel unit 10 may be provided in plurality in accordance with the length of the outer light rail (1). However, it is preferable to provide five wheel parts 10 in the case of the outline type light rail 1 of about one size.

First, as shown in FIG. 1, the wheel 11 according to the present invention is a component that moves on the rail 3 through rotation in contact with the rail 3. It is made of a wrapping shape. This shape primarily prevents the departure from the rail 3. At this time, the connection between the horizontal portion of the wheel 11 and the protruding portion in contact with the upper surface of the rail 3 may be made of a predetermined curvature, and correspondingly the edge curvature of the upper end of the rail 3 may be determined.

The size and width of the wheel 11 can be variously modified in consideration of the scale and speed of the light rail (1). The wheel 11 may be manufactured using a metal material or a synthetic resin. However, it is preferable to use a metal material for high speed driving.

The central shaft 12 penetrates through the central region of the wheel 11, and the wheel 11 is formed to lie at the center of the central shaft 12. The central shaft 12 may be connected to the wheel 11 through the bearing to maintain the original position even if the wheel 11 is rotated. On the other hand, the length of the central axis 12 may be formed in consideration of the width of the support structure (4).

In addition, the support bar 13 is a component that supports one end of the light rail (1) in contact with the support structure 4 so as not to incline, is connected to both ends of the central axis 12 is formed long downward. In this case, one or more support bars 13 may be provided at both ends of the central axis 12. However, in the exemplary embodiment of the present invention, two support bars 13 are formed at both ends of the central axis 12 for stable support.

The guide roller 14 is connected to the bottom of the support bar 13 to be in direct contact with the support structure 4. The guide roller 14 is connected to the support bar 13 to substantially support the light rail 1. The guide roller 14 is bound to the support structure 4 so that the light rail (1) is not inclined, but can be variously modified as long as it can minimize the frictional force with the support structure (4).

However, the guide roller 14 of the embodiment of the present invention is connected to the bottom of the support bar 13 and is formed to be rotatable about the longitudinal direction of the support bar 13 in the axis. And it comes into contact with both ends of the support structure (4). At this time, the contact surface of both ends of the guide roller 14 and the support structure 4 is preferably formed in a shape corresponding to each other but not easily separated in the vertical direction. Through the guide roller 14, the external light rail 1 according to the present invention can be supported by the support structure 4 to maintain a basic posture.

On the other hand, such a central axis 12 and the support bar 13 may be manufactured integrally in an arc shape in consideration of the width of the support structure (4), through which the load of the light rail (1) can be effectively distributed. .

The power unit 15 is a component that provides a rotational force to the wheel 11 to move the outer light rail (1), may be provided on one side of the central axis (12). The power unit 15 may be formed to be directly connected to the wheel 11 in a fixed state on the central axis 12 to transmit a rotational force. And the power unit 15 includes a gearbox associated with the rotation of the wheel (11).

Here, the power unit 15 may be mounted on all of the wheel units 10 in the case of the outline light rail 1 including the plurality of wheel units 10 to achieve high speed driving. However, it is preferable that the vehicle is mounted on at least one of the front wheel part 10 and the rear wheel part 10 to operate. At this time, the power unit 15 may be a power generator of various methods, it is preferable to use an electric motor capable of braking as well as control of the rotation.

The upper plate 20 is a component that is positioned above the wheel portion 10 to which the wheel portion 10 is fixed, and is formed in a plate shape corresponding to the length of the outer light rail (1) body 30. The upper plate 20 accommodates the upper end portion 16a of the connecting member to be described below, but the wheel portion 10 may rotate at a predetermined angle along the curved portion of the outer rail 3 and in the left and right directions of the upper plate 20. The accommodating portion 21 may be formed to reciprocate.

Body 30 forms the appearance of the light rail (1), which is provided with a door for passengers to board and is located on the upper plate 20. The body 30 can be produced in various forms, in the embodiment of the present invention implemented in a cuboid shape.

Balancing device 40 is another essential feature of the present invention is an essential component that enables a comfortable ride and safe running without forming a cant on the curved portion of the outer rail (3). The balance adjusting device 40 is provided between the top plate 20 and the body 30 to adjust the balance of the outer light rail (1) body 30.

The balance adjusting device 40 may include the actuator 100 and the controller 200. Here, the actuator 100 is a component that adjusts the position of the body 30 connected thereto by reciprocating the piston 120 inserted into the cylinder 110 using the power provided from the driving unit 130. Here, the actuator 100 is inclined in all directions to tilt the body 30 of the outline light rail 1 while the pistons 120 reciprocate in a state in which three actuators 100 are arranged in a triangular shape on an upper surface of the upper plate 20. can do. In addition, as in the embodiment of the present invention, by placing four actuators 100 on the top surface of the upper plate 20 in a quadrangular shape and reciprocating each of the pistons 120, the body 30 may be inclined in all directions.

On the other hand, the actuator 100 according to the present invention is used not only as a power source for adjusting the position of the body 30, but also to simultaneously play a role of preventing the vibration of the wheel portion 10 is transmitted to the body 30. Can be formed.

The control unit 200 is a component that controls the actuator 100 to compensate for the inclination of the body 30 generated according to the vertical slope or the curved portion of the outer rail 3, the upper plate 20 is provided on one side It is connected to the actuator 100.

The controller 200 controls to lift the left side of the body 30 upward when the light rail 1 passes through the curved portion of the outer rail 3 bent to the right. This compensates for the centrifugal force generated in the left direction, preventing the light rail (1) from derailing by moving to the left side and at the same time ensuring the passengers in a stable posture. Control in reverse.)

In addition, the control unit 200 controls the body 30 to be maintained horizontally by lifting the front end of the body 30 of the light rail 1 upward when the outer light rail 1 passes through the lower slope section. This is for the purpose of maintaining a stable posture of the passenger by preventing the body 30 is inclined downward to prevent the occupant from being forwarded. (In the case of the upper slope section, the control is reversed as described above.)

Hereinafter will be described the specific content of the wheel system (2) applied to the outer light rail (1) according to the present invention.

(Wheel system)

As shown in Figures 1 to 4, the wheel system 2 according to the present invention is a part having another technical feature, the wheel portion 10 along the outer rail (3) rotates at a predetermined angle left and right Direction so that each of the wheel portions 10 are located in a direction in which the centrifugal force acts with respect to the center axis A of the upper plate 20 when the light rail 1 passes through the curved portion. Perform the function. This means that the load by the centrifugal force applied to the linear light rail 1 is effectively distributed.

That is, the wheel system 2 moves the center of gravity axis of the linear light rail 1 toward the centrifugal force direction, and converts it into the state which can respond more appropriately to the centrifugal force which arises when passing through a curved part. Although this prevents the derailment of the linear light rail 1, it is possible to form a curved section having a curvature radius of 20 m without forming a cant in the curved portion of the external rail 3. Such a wheel system 2 may be combined with the balance control device 40 mentioned above to be interlocked with each other to produce a higher effect.

The wheel system 2 may include a plurality of wheel parts 10, a connecting member 16, and a receiving part 21. The wheel system 2 according to the present invention is not conceivable in the outline light rail 1 composed of one wheel portion 10 and is applicable to a case in which at least two wheel portions 10 are formed. However, as in the embodiment of the present invention, the wheel system 2 may be constructed by having five wheel parts 10 on the basis of the outline type light rail 1 which is about the size of a normal train.

First, the wheel portion 10 is in contact with the outer rail (3) in the lower side and the upper plate 20 is connected to the upper side, the outer light rail (1) along the outer rail (3) through the rotational force It serves to move. Each configuration constituting the wheel portion 10 is as described above, and the following describes the relationship between the plurality of wheel portions 10 together with the connection member 16 and the receiving portion 21 in detail.

The connecting member 16 is a component that connects the wheel unit 10 and the top plate 20 to each other. The connecting member 16 may be connected on the center axis A of the top plate 20 while the wheel 11 is rotatable for driving. Various modifications are possible as long as the structure allows it. However, as shown in FIGS. 1 to 3, the connecting member 16 may be formed of approximately the upper end portion 16a and the lower end portion 16b, and the lower end portion 16b is fixed to both sides of the symmetrical position of the central axis 12, and the upper end portion thereof. The 16a may be formed to be connected to the central axis A of the upper plate 20.

In addition to fixing the wheel part 10 to the upper plate 20, the connection member 16 may include a wheel part along a curved part to prevent derailment of the wheel part 10 on the outer rail 3 having a sharp curved part. 10 may be formed to rotate at a predetermined angle.

In order to implement this, in the embodiment of the present invention, a flat cross section may be formed in a circular shape as shown in FIG. 3 to be rotatable in a state where the upper end portion 16a is accommodated in the accommodation portion 21 formed in the upper plate 20.

However, as in the case of the third wheel portion 10c, which is the wheel portion 10 located at the center of the upper plate 20 shown in FIG. You may. This is to form the third wheel portion (10c) so that the rotation is impossible so that the body of the light rail (30) of the traverse light rail in accordance with the traveling direction of the third wheel portion (10c) when the curve passes. to be.

In addition, as shown in FIG. 3, the wheel part 10 may be formed to reciprocate in the left and right directions of the top plate 20 in a state where the wheel part 10 is fixed to the top plate 20 through the connecting member 16. This may be achieved through the receiving portion 21 formed on the connecting member upper end 16a and the upper plate 20.

Here, the accommodating part 21 serves to fix the upper end 16a so as not to be separated from the upper plate 20 by accommodating the upper end 16a, and at the same time, the wheel unit 10 reciprocates in the left and right directions of the upper plate 20. It is the component that makes it possible. To this end, the accommodating part 21 may be formed in a groove shape long in the left and right directions on the lower surface of the upper plate 20 as in the embodiment of the present invention.

At this time, the accommodating portion 21 may be formed with a stepped portion 22 to prevent the upper end portion 16a from being separated from the upper plate 20 and to guide stable rotation of the upper end portion 16a and reciprocating in the left and right directions.

It is preferable that a predetermined elastic force is applied to the rotation and the reciprocation of the wheel part 10 such that the plurality of wheel parts 10 are always positioned on the center axis A of the upper plate 20 at all times.

On the other hand, in order to maintain the body 30 of the stable light rail (1), the wheel system 2 may be utilized in a modified form as follows. Specifically, in the case of five wheel parts 10 as shown in FIG. 4A, the first wheel part 10a (front wheel part) and the fifth wheel part 10e (rear wheel part) have no linear movement in left and right directions. It is possible to prevent the body 30 of the outline light rail (1) to move left and right so that only the rotation corresponding to the curved portion is made in the state fixed on the center plate (A) of the top plate 20, respectively. That is, the outline light rail 1 maintains the directionality of the body 30 according to the guidance of the two fixed shafts, the first wheel portion 10a and the fifth wheel portion 10e, and moves the curved portion.

In addition, as shown in FIG. 4A, as in the case of the third wheel portion 10c, which is the wheel portion 10 located at the center of the upper plate 20, the flat section has a quadrangular shape, and rotation of the inside of the accommodating portion 21 is performed. It may be formed to be impossible. However, the third wheel portion 10c may allow only the linear motion of the upper plate 20 to the left and right directions so that the body 30 of the outline light rail 1 may coincide with the traveling direction of the third wheel portion 10c. . This is to allow the body 30 of the light rail to be stably diverted along the traveling direction of the third wheel part 10c when passing through the curved part.

The plurality of wheel parts 10, the connecting member 16, and the upper plate 20 accommodating part 21 described above form a wheel system 2 that operates organically on the outer rail 3 having a curved section. . The wheel system 2 is positioned by shifting each of the wheel portions 10 traveling on the curved portion in a direction (left direction) in which centrifugal force acts on the center axis A of the upper plate 20 as shown in FIG. 4A. The load by the centrifugal force applied to the linear light rail 1 can be effectively distributed.

That is, as shown in FIG. 4B, the third wheel part 10c, which is the wheel part 10 located at the center of the top plate 20, is directed to the left side of the top plate 20 by the wheel system 2, thereby generating in the left direction. The centrifugal force can maintain a stable center of gravity. In addition, the balance adjusting device 40 is driven to lift the left body 40 upward in this curved portion. As such, the wheel system 2 and the balance control device 40 operate in conjunction with each other, so that the light rail 1 can pass through the curved section more stably.

For this reason, it is not necessary to form a cant in the curved portion of the outer rail 3, and a curved section having a curvature radius of 20 m (an existing railway is formed with a radius of curvature of more than 40 m) can be formed, thereby effectively utilizing land space. It becomes possible.

As described above, in the detailed description of the present invention, specific embodiments have been described. However, various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

1: light rail type 2: wheel system
3: outer rail 4: supporting structure
10: wheel 11: wheel
12: center axis 13: support bar
14: guide roller 15: power unit
16, 16a, 16b: connecting member, upper portion, lower portion
20: top 21: receiving portion
22: step 30: body
40: balancing device 100: actuator
110: cylinder 120: piston
130: driving unit 200: control unit
A: Top plate center axis

Claims (9)

A wheel part placed on an outer rail and moving through rotation, a top plate connected to the wheel part and positioned at an upper part of the wheel part, a body located at an upper part of the top plate to accommodate a passenger and a balance of the body and the top plate and It relates to a wheel system for use in an external light rail including a balance adjusting device provided between the body,
A plurality of wheel parts in contact with the outer rail;
A connection member formed of a lower end connected to the wheel part and an upper end connected to the upper plate, the upper part being rotatably formed at a predetermined angle to correspond to the curved part of the outer rail; And
Receiving the upper end portion, but including the receiving portion formed on the upper plate so that the wheel portion can be reciprocated in the left and right directions of the upper plate,
The wheel system of the light rail, which is provided between the outer rail and the upper plate and reciprocates from side to side while rotating the wheel portion at a predetermined angle along the outer rail.
The method of claim 1,
The connecting member connected to the front wheel part and the rear wheel part of the plurality of wheel parts may rotate only at a predetermined angle corresponding to the curved portion of the outer rail in a state fixed on the central axis of the upper plate. Wheel system of light rail.
3. The method according to claim 1 or 2,
The connecting member connected to the wheel portion located in the center of the upper plate of the plurality of wheel portion is a wheel system of the outline light rail, characterized in that only the reciprocating movement in the left and right directions in a state fixed to the top plate.
3. The method according to claim 1 or 2,
And an elastic force acting against a predetermined angle of rotation and reciprocating the left and right directions of the wheel portion so that the wheel portion lies on the center axis of the upper plate.
3. The method according to claim 1 or 2,
Wherein the accommodating portion, the upper end portion of the wheel system of the outline light rail, characterized in that the stepped to prevent the departure from the top plate.
3. The method according to claim 1 or 2,
And the plurality of wheels are positioned in a direction in which centrifugal force acts relative to the center axis of the upper plate when traveling on the curved portion of the outer rail, respectively.
A wheel part disposed on the outer rail and moving through rotation;
An upper plate connected to the wheel part and positioned above the wheel part;
A body positioned above the top plate to accommodate a passenger;
A balance adjusting device for adjusting the balance of the body and provided between the top plate and the body; And
A connection member comprising a plurality of wheel parts in contact with the outer rail, a lower end connected with the wheel part, and an upper part connected with the upper plate, the wheel part being rotatable at an angle corresponding to the curved part of the outer rail; And a wheel system provided between the outer rail and the top plate, the accommodation unit formed on the top plate to accommodate the upper end portion but the wheel portion can be reciprocated in the left and right directions of the top plate.
Light rail, characterized in that the wheel portion is reciprocated in the left and right directions while rotating at a predetermined angle along the outer rail.
The method of claim 7, wherein
The connecting member connected to the front wheel part and the rear wheel part of the plurality of wheel parts may rotate only at a predetermined angle corresponding to the curved portion of the outer rail in a state fixed on the central axis of the upper plate. Light rail.
9. The method according to claim 7 or 8,
And the plurality of wheel parts are positioned in a direction in which centrifugal force acts relative to the center axis of the upper plate when driving on the curved portion of the outer rail, respectively.
KR1020110103001A 2011-10-10 2011-10-10 The wheel-system device for light rail transit that shuttled on one-rail and the light rail transit using the same KR20130038570A (en)

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