CN110654408B - Bogie and tramcar with same - Google Patents

Bogie and tramcar with same Download PDF

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Publication number
CN110654408B
CN110654408B CN201911029785.4A CN201911029785A CN110654408B CN 110654408 B CN110654408 B CN 110654408B CN 201911029785 A CN201911029785 A CN 201911029785A CN 110654408 B CN110654408 B CN 110654408B
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CN
China
Prior art keywords
bogie
supporting plate
upper supporting
cross beam
shock absorber
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Active
Application number
CN201911029785.4A
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Chinese (zh)
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CN110654408A (en
Inventor
毕海涛
向俊龙
黄鹏
王晶晶
陈晨
刘威
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China Railway Rail Transit Equipment Co Ltd
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China Railway Rail Transit Equipment Co Ltd
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Publication date
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Priority to CN201911029785.4A priority Critical patent/CN110654408B/en
Publication of CN110654408A publication Critical patent/CN110654408A/en
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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
    • B61F3/00—Types of bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C13/00—Locomotives or motor railcars characterised by their application to special systems or purposes
    • B61C13/08—Locomotives or motor railcars characterised by their application to special systems or purposes for saddle or like balanced type railways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
    • 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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
    • 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
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Abstract

The invention provides a bogie and a tramcar with the same, wherein in the bogie, two walking wheels are respectively and pivotally and symmetrically arranged at the left side and the right side of a longitudinal beam and positioned at the front side of a cross beam; the other two walking wheels are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam and are positioned on the rear side of the cross beam; the running wheels are not provided with other components on one side, so that an operating space is left for maintenance and/or replacement of the running wheels.

Description

Bogie and tramcar with same
Technical Field
The invention relates to the technical field of rail transit, in particular to a bogie and a tramcar with the same.
Background
A conventional public transport vehicle is a tramcar, which is generally formed by connecting a plurality of cars with each other, and a bogie is generally arranged at the bottom of each car, in the prior art, the structure of the bogie is generally shown in fig. 1 and comprises a framework 1 in a shape of a Chinese character 'kou', and running wheels 2 are arranged in the structure in the shape of the Chinese character 'kou' of the framework 1, it can be understood that in the normal use of the tramcar, the running wheels 2 may need to be repaired and/or replaced, and in the prior art, the running wheels 2 are surrounded by the framework 1 at the periphery, so the repair and/or replacement are not convenient.
Therefore, it is an urgent problem to design a bogie that facilitates maintenance and/or replacement of the running wheels 2.
Disclosure of Invention
The invention aims to provide a bogie and a tramcar with the same.
In order to achieve one of the above objects, according to one aspect of the present invention, there is provided a bogie for a railroad car, including: the longitudinal beams and the cross beams are vertically connected with each other; the two walking wheels are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam and are positioned on the front side of the cross beam; the other two walking wheels are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam and are positioned on the rear side of the cross beam; the beam comprises a lower beam and an upper supporting plate, a concave part is arranged in the middle of the upper surface of the lower beam, a connecting part is arranged in the middle of the lower surface of the upper supporting plate, the connecting part extends into the concave part, stopping parts are arranged on the left side and the right side of the opening of the concave part, a part of the stopping part is positioned above the opening of the concave part, flexible parts are arranged on the left side and the right side of the connecting part, the flexible part on the left side corresponds to the stopping part on the left side, and the flexible part on the right side corresponds to the stopping part on the right side; the middle part of the upper surface of the upper supporting plate is provided with a hinged disc, the hinged disc comprises a first hinged part and a second hinged part, and the first hinged part and the second hinged part have a degree of freedom of rotation on a horizontal plane.
As a further improvement of an embodiment of the present invention, the present invention further includes: the two transverse shock absorbers are symmetrically arranged on the left side and the right side of the connecting part, and the first ends of the transverse shock absorbers are movably connected to the connecting part and the second ends of the transverse shock absorbers are movably connected to the upper surface of the upper supporting plate.
As a further improvement of an embodiment of the present invention, a position of the first end of the lateral damper is higher than a position of the second end.
As a further improvement of an embodiment of the present invention, the present invention further includes: and one hourglass spring is arranged between the left end part of the lower beam and the left end part of the upper supporting plate, and the other hourglass spring is arranged between the right end part of the lower beam and the right end part of the upper supporting plate.
As a further improvement of the embodiment of the invention, a first vertical shock absorber is arranged between the front side surface of the left side of the lower beam and the lower surface of the upper supporting plate, and the joint of the first vertical shock absorber and the upper supporting plate is positioned in front of the hourglass spring at the left end part; the rear side face on the right side of the lower beam and the lower surface of the upper supporting plate are provided with a second vertical shock absorber, and the joint of the second vertical shock absorber and the upper supporting plate is located behind the hourglass spring at the right end.
As a further improvement of an embodiment of the present invention, a compound spring is provided below the connection portion.
As a further improvement of an embodiment of the present invention, current receiving devices are provided on the lower surfaces of both the left and right ends of the cross beam.
As a further improvement of an embodiment of the present invention, guide wheels are provided at both front and rear ends of the longitudinal beam.
As a further improvement of an embodiment of the present invention, the longitudinal beam is provided with a first driving device and a second driving device; the first driving device is positioned on the front side of the cross beam and used for driving the two walking wheels positioned on the front side of the cross beam to rotate; the second driving device is positioned at the rear side of the cross beam and is used for driving the two running wheels positioned at the rear side of the cross beam to rotate.
The embodiment of the invention provides a tramcar, wherein the bogie is arranged between adjacent carriages, and the first hinge part and the second hinge part are fixedly connected to the two adjacent carriages respectively.
Compared with the prior art, the invention has the technical effects that: the embodiment of the invention provides a bogie and a tramcar with the same, wherein in the bogie, two walking wheels are respectively and pivotally and symmetrically arranged on the left side and the right side of a longitudinal beam and positioned on the front side of a cross beam; the other two walking wheels are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam and are positioned on the rear side of the cross beam; the running wheels are not provided with other components on one side, so that an operating space is left for maintenance and/or replacement of the running wheels.
Drawings
FIG. 1 is a schematic view of a prior art truck configuration;
fig. 2A and 2B are schematic structural views of the bogie in the present embodiment;
FIGS. 3A and 3B are schematic exploded views of a portion of the components in the truck;
fig. 4 is a schematic structural view of the track in the present embodiment.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Also, it should be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another. For example, a first hinge may be referred to as a second hinge, and similarly a second hinge may also be referred to as a first hinge, without departing from the scope of the present application.
An embodiment of the present invention provides a bogie for a tram, as shown in fig. 2A, 2B, 3A, and 3B, including:
the longitudinal beams 12 and the cross beams 11 are vertically connected with each other; the four walking wheels 2 are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam 12 and positioned on the front side of the cross beam 11; the other two walking wheels 2 are respectively pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam 12 and are positioned on the rear side of the cross beam 11;
here, as shown in fig. 3A, the hinge plate 113 is divided into a first hinge portion 1131 and a second hinge portion 1132, and the first and second hinge portions have a degree of freedom of rotation in a horizontal plane. In a practical tram, the bogie would be used to connect adjacent cars, i.e. the bottom of one car is fixedly connected to the first articulation 1131 and the bottom of the other car is fixedly connected to the second articulation 1132, and during operation of the tram, the tram is moved along the extension direction of the longitudinal beams 12, i.e. along the fore-and-aft direction. It can be understood that the articulated disc 113 needs to bear the gravity and the pulling force of the two carriages, the articulated disc 113 can transmit the gravity and the pulling force to the cross beam 11, and the running wheels 2 are arranged on the front two sides of the cross beam 11, so that the stability of the bogie is greatly improved, namely the possibility of the bogie tilting forwards or backwards can be reduced.
In this bogie, no other parts are provided on the left side of the left-hand running wheels 2, and therefore, an operating space is left, thereby facilitating maintenance and/or replacement of the left-hand running wheels 2; no other components are arranged to the right of the right-hand running wheel 2, so that an operating space remains for maintenance and/or replacement of the right-hand running wheel 2, i.e. in the bogie of the present embodiment, the user can also easily maintain and/or replace the running wheel 2.
Here, the running wheels 2 are symmetrically arranged on both the left and right sides of the side member 12, so that the track width of the two running wheels 2 is increased, and the anti-rolling performance of the bogie is improved. Optionally, the track width between the symmetrically arranged running wheels 2 is 850mm-2500 mm.
The beam 11 comprises a lower beam 111 and an upper support plate 112, a concave portion 1111 is arranged in the middle of the upper surface of the lower beam 111, a connecting portion 1121 is arranged in the middle of the lower surface of the upper support plate 112, the connecting portion 1121 extends into the concave portion 1111, stopping portions 1112 are arranged on the left side and the right side of the opening of the concave portion 1111, a part of the stopping portion 1112 is positioned above the opening of the concave portion 1111, flexible portions 1122 are arranged on the left side and the right side of the connecting portion 1121, the flexible portion 1122 on the left side corresponds to the stopping portion 1112 on the left side, and the flexible portion 1122 on the right side corresponds to the stopping portion 1112 on the right side;
a hinge plate 113 is arranged in the middle of the upper surface of the upper support plate 112, the hinge plate 113 comprises a first hinge portion 1131 and a second hinge portion 1132, and the first hinge portion and the second hinge portion have a degree of freedom of rotation in the horizontal plane;
wherein the front-back direction and the left-right direction are directions perpendicular to each other in a horizontal plane.
Here, as shown in fig. 3A, the upper support plate 112 is a bent member extending in the left-right direction and bent downward at the center, that is, a recess is formed at the center of the upper surface of the upper support plate 112, and the recess can accommodate the hinge plate 113. Optionally, the first hinge portion 1131, the second hinge portion 1132, the left end portion of the upper support plate 112 and the right end portion of the upper support plate 112 have upper surfaces located in the same plane; and in fig. 3A, an elastic member is provided on both left and right end portions of the upper support plate 112, it is understood that, for the vehicle compartment, the middle portion of the bottom of the front or rear end thereof may be located on the hinge portion 113 (e.g., connected to the first hinge portion 1131 or the second hinge portion 1132 by a fastener), the left portion may be located on the left end portion of the upper support plate 112 (e.g., on the elastic member located on the upper side of the left end portion), and the right portion may be located on the right end portion of the upper support plate 112 (e.g., on the elastic member located on the upper side of the right end portion).
Here, the upper supporting plate 112 is located on the upper side of the lower beam 111, as shown in fig. 2A and 2B, during the operation of the tramcar, the tramcar may shake left and right, and the shaking amplitude may be too large, for example, when the tramcar shakes right, because a part of the stopper 1112 on the right side is located above the opening of the recess 1111, and the flexible portion 1122 on the right side corresponds to the position of the stopper 1112 on the right side, it can be understood that the flexible portion 1122 on the right side of the connecting portion 1121 may collide with the stopper 1112 on the right side, and may not collide with the lower beam 111, so that the shaking amplitude on the right side may be reduced, and the cross beam 11 may be prevented from being damaged; when the left sway occurs, since a part of the stopper 1112 on the left side is located above the opening of the recess 1111 and the flexible portion 1122 on the left side corresponds to the position of the stopper 1112 on the left side, it can be understood that the flexible portion 1122 on the left side of the connection portion 1121 collides with the stopper 1112 on the left side, and does not collide with the lower beam 111, so that the left sway can be reduced, and the cross beam 11 can be prevented from being damaged.
In this embodiment, the method further includes: two transverse shock absorbers 1113 symmetrically arranged at the left side and the right side of the connecting part 1121, wherein a first end of the transverse shock absorber 1113 is movably connected to the connecting part 1121, and a second end of the transverse shock absorber 111is movably connected to the upper surface of the upper supporting plate 112. Here, the two lateral dampers 1113 can buffer not only the right and left shaking of the vehicle compartment but also the front and rear shaking of the vehicle compartment.
In this embodiment, the first end of the lateral shock absorber 1113 is higher than the second end.
In this embodiment, the method further includes: and two hourglass springs 1114, one of which is disposed between the left end of the lower beam 111 and the left end of the upper support plate 112, and the other of which is disposed between the right end of the lower beam 111 and the right end of the upper support plate 112.
In this embodiment, a first vertical shock absorber 1115A is disposed between the front side surface of the left side of the lower beam 111 and the lower surface of the upper support plate 112, and the joint between the first vertical shock absorber 1115A and the upper support plate 112 is located in front of the hourglass spring 1114 at the left end; a second vertical shock absorber 1115B is arranged between the rear side face of the right side of the lower beam 111 and the lower surface of the upper supporting plate 112, and the joint of the second vertical shock absorber 1115B and the upper supporting plate 112 is located behind the hourglass spring 1114 at the right end. Here, as shown in fig. 2A, if the upper support plate 112 is tilted forward, the first vertical shock absorber 1115A can play a role of cushioning, and if the upper support plate 112 is tilted backward, the second vertical shock absorber 1115B can play a role of cushioning. In fig. 2A and 2B, the first vertical shock absorber 1115A is provided at both upper and lower ends thereof with connection means, the upper side of which is connected to the lower surface of the upper support plate 112, and the lower side of which is connected to the front side surface of the left side of the lower beam 111; both upper and lower ends of the second vertical shock absorber 1115B are provided with connection means, the upper side of which is connected to the lower surface of the upper support plate 112, and the lower side of which is connected to the rear side surface of the right side of the lower beam 111.
Alternatively, the center of rotation of the hinge plate 113 is located at a central position of the upper support plate 112, and the two hourglass springs 1114 are symmetrically distributed along the central position.
In this embodiment, a compound spring is disposed below the connection portion 1121. Here, the composite spring may be a spring formed by wrapping a rubber material around a metal coil spring and performing composite vulcanization, and it can be understood that the composite spring can buffer up and down shaking of a car.
In this embodiment, current collectors 116 are provided on the lower surfaces of both the left and right ends of the beam 11.
In this embodiment, guide wheels 114 are provided at both front and rear ends of the longitudinal beam 12. Here, one guide wheel 114 is provided on each of the left and right sides of the front end of the longitudinal beam 12, one guide wheel 114 is provided on each of the left and right sides of the rear end of the longitudinal beam 12, and optionally, the wheel center distance of the two guide wheels 114 located on the same side (left or right side) of the longitudinal beam 12 in the front-rear direction is larger than the wheel center distance of the two running wheels 2 on the same side. Alternatively, at the same end (front or rear end) of the cross member 11, the track width of the two guide wheels 114 is greater than 450mm, but less than the track width between the two running wheels 2.
In this embodiment, the longitudinal beam 12 is provided with a first driving device 3A and a second driving device 3B; the first driving device 3A is positioned at the front side of the cross beam 11 and is used for driving the two running wheels 2 positioned at the front side of the cross beam 11 to rotate; the second driving device 3B is arranged at the rear side of the cross beam 11 and is used for driving the two running wheels 2 arranged at the rear side of the cross beam 11 to rotate.
As shown in fig. 3B, the longitudinal beam 12 is composed of a first axle housing 12A at the front side of the cross beam 11 and a second axle housing 12B at the rear side of the cross beam 11, and the connection mode between the first and second axle housings and the cross beam 11 can be: welded connections or fastener connections, etc.
A first driving device 3A is arranged in the first axle housing 12A, a second driving device 3B is arranged in the second axle housing 12B, the first driving device 3A drives the two running wheels 2 at the front side of the cross beam 11 to rotate, and the second driving device 3B drives the two running wheels 2 at the rear side of the cross beam 11 to rotate. The first and second driving devices include: the traction force of the motor is transmitted to the differential mechanism through the gear box and then distributed to the two half shafts, so that the running wheels on the two sides are driven to rotate. A pair of brake drums is symmetrically arranged on the left side and the right side of the upper parts of the first axle housing and the second axle housing, and the brake drums transmit braking force to brake discs which are arranged on the inner sides of the walking wheels 2 and are coaxial with the walking wheels 2, so that the braking function is realized.
In the second embodiment, a tramcar is provided, in which the bogie in the first embodiment is installed between adjacent cars, and the first and second hinge portions are fixedly connected to the adjacent two cars, respectively.
In the third embodiment, a track 4 is provided, and fig. 4 shows a schematic structural diagram of the track 4, where the track includes: a rail beam 41 and a guide beam 42 on the upper surface of the rail beam 41, the rail beam 41 and the guide beam 42 each extending in the front-rear direction, and portions of the upper surface of the rail beam 41 on both sides of the guide beam 42 form a running surface of the running wheels 2.
In the running process of the tramcar, the left side surface and the right side surface of the guide beam 42 are matched with each other to provide a steering force for the tramcar. The power supply rails 43 are arranged on the left side and the right side of the track beam 41, the power supply rail 43 on the left side is matched with the current receiving device 116 on the left side of the bogie, and the power supply rail 43 on the right side is matched with the current receiving device 116 on the right side of the bogie, so that power is provided for the operation of the tramcar, and power is provided for the operation of the first driving device and the second driving device.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. A bogie for a tram, comprising:
the longitudinal beams (12) and the cross beams (11) are vertically connected with each other;
the four walking wheels (2), wherein the two walking wheels (2) are respectively arranged on the left side and the right side of the longitudinal beam (12) in a pivoting and symmetrical mode and are positioned on the front side of the cross beam (11); the other two walking wheels (2) are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam (12) and are positioned on the rear side of the cross beam (11);
the beam (11) comprises a lower beam (111) and an upper supporting plate (112), a concave part (1111) is arranged in the middle of the upper surface of the lower beam (111), a connecting part (1121) is arranged in the middle of the lower surface of the upper supporting plate (112), the connecting part (1121) extends into the concave part (1111), stopping parts (1112) are arranged on the left side and the right side of the opening of the concave part (1111), a part of the stopping part (1112) is positioned above the opening of the concave part (1111), flexible parts (1122) are arranged on the left side and the right side of the connecting part (1121), the position of the flexible part (1122) on the left side corresponds to that of the stopping part (1112) on the left side, and the position of the flexible part (1122) on the right side corresponds to that of the stopping part (1112;
a hinged disk (113) is arranged in the middle of the upper surface of the upper support plate (112), the hinged disk (113) comprises a first hinged part (1131) and a second hinged part (1132), and the first hinged part and the second hinged part have a degree of freedom of rotation on the horizontal plane.
2. The bogie of claim 1, further comprising:
the two transverse shock absorbers (1113) are symmetrically arranged on the left side and the right side of the connecting part (1121), the first ends of the transverse shock absorbers (1113) are movably connected to the connecting part (1121), and the second ends of the transverse shock absorbers are movably connected to the upper surface of the upper supporting plate (112).
3. The truck of claim 2, wherein:
the position of the first end of the transverse shock absorber (1113) is higher than that of the second end.
4. The bogie of claim 1, further comprising:
and the two hourglass springs (1114) are arranged between the left end part of the lower beam (111) and the left end part of the upper supporting plate (112), and the other hourglass spring is arranged between the right end part of the lower beam (111) and the right end part of the upper supporting plate (112).
5. The truck of claim 4, wherein:
a first vertical shock absorber (1115A) is arranged between the front side face of the left side of the lower beam (111) and the lower surface of the upper supporting plate (112), and the joint of the first vertical shock absorber (1115A) and the upper supporting plate (112) is positioned in front of the hourglass spring (1114) at the left end part;
and a second vertical shock absorber (1115B) is arranged between the rear side surface of the right side of the lower beam (111) and the lower surface of the upper supporting plate (112), and the joint of the second vertical shock absorber (1115B) and the upper supporting plate (112) is positioned behind the hourglass spring (1114) at the right end part.
6. The bogie of claim 1, wherein:
a compound spring is arranged below the connecting part (1121).
7. The bogie of claim 1, wherein:
current receiving devices (116) are arranged on the lower surfaces of the left end and the right end of the cross beam (11).
8. The bogie of claim 1, wherein:
and guide wheels (114) are arranged at the front end and the rear end of the longitudinal beam (12).
9. The bogie of claim 1, wherein:
a first driving device (3A) and a second driving device (3B) are arranged on the longitudinal beam (12); the first driving device (3A) is positioned on the front side of the cross beam (11) and is used for driving the two running wheels (2) positioned on the front side of the cross beam (11) to rotate; the second driving device (3B) is positioned at the rear side of the cross beam (11) and is used for driving the two running wheels (2) positioned at the rear side of the cross beam (11) to rotate.
10. A tramcar, its characterized in that:
a bogie as claimed in any one of claims 1 to 9 mounted between adjacent cars, the first and second articulations being fixedly connected to the adjacent cars respectively.
CN201911029785.4A 2019-10-28 2019-10-28 Bogie and tramcar with same Active CN110654408B (en)

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CN110654408B true CN110654408B (en) 2020-07-03

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CN108860202B (en) * 2018-08-03 2020-02-14 中车株洲电力机车有限公司 Low-floor straddle type monorail vehicle bogie and vehicle body layout
CN109204358A (en) * 2018-09-27 2019-01-15 成都西交智众科技有限公司 Radial type single track radial steering structure
CN110182240A (en) * 2019-05-08 2019-08-30 重庆畅行科技发展有限公司 Straddle-type single-track vehicle car body and steering frame connecting structure and straddle-type single-track vehicle
CN110155111B (en) * 2019-05-30 2020-11-24 中车青岛四方机车车辆股份有限公司 Bogie frame of railway vehicle, bogie of railway vehicle and railway vehicle

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