CN110654410A - Bogie and straddle type monorail vehicle with same - Google Patents
Bogie and straddle type monorail vehicle with same Download PDFInfo
- Publication number
- CN110654410A CN110654410A CN201911043277.1A CN201911043277A CN110654410A CN 110654410 A CN110654410 A CN 110654410A CN 201911043277 A CN201911043277 A CN 201911043277A CN 110654410 A CN110654410 A CN 110654410A
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- Prior art keywords
- cross beam
- bogie
- monorail vehicle
- straddle
- wheels
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Classifications
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The invention provides a bogie and a straddle type monorail vehicle 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.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a bogie and a straddle type monorail vehicle with the same.
Background
A straddle-type monorail vehicle is a common public transportation vehicle, which is generally formed by connecting a plurality of carriages, wherein a bogie is generally arranged at the bottom of the carriages, and in the prior art, the structure of the bogie is generally shown in fig. 1 and comprises a framework 6 in a shape of a Chinese character 'kou', and traveling wheels 3 are arranged in the structure of the Chinese character 'kou' of the framework 6, it can be understood that in the normal use of the straddle-type monorail vehicle, the traveling wheels 3 may need to be repaired and/or replaced, and in the existing bogie, the traveling wheels 3 are surrounded by the framework 6 at the periphery, so that the repair and/or replacement are inconvenient.
Therefore, it is an urgent problem to design a bogie that facilitates maintenance and/or replacement of the running wheels 3.
Disclosure of Invention
The invention aims to provide a bogie and a straddle type monorail vehicle with the same.
In order to achieve one of the above objects of the invention, an embodiment of the present invention provides a bogie for a straddle-type monorail vehicle, comprising: 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; a concave part is arranged in the middle of the upper surface of the cross beam, stopping parts are arranged on the left side and the right side of the opening of the concave part, and a part of the stopping parts are positioned above the opening of the concave part; the traction suspension device is arranged above the cross beam, a connecting portion is arranged in the middle of the lower surface of the traction suspension device, a composite spring is arranged on the lower side of the connecting portion, the connecting portion and the composite spring stretch into the concave portion, flexible portions are arranged on the left side and the right side of the connecting portion, the left flexible portion corresponds to the position of the left stopping portion, and the right flexible portion corresponds to the position of the right stopping portion.
As a further improvement of an embodiment of the present invention, the present invention further includes: and the first end of one transverse shock absorber is movably connected to the front side of the connecting part, the second end of the transverse shock absorber is movably connected to the left end part of the cross beam, and the first end of the other transverse shock absorber is movably connected to the rear side of the connecting part, and the second end of the other transverse shock absorber is movably connected to the right end part of the cross beam.
As a further improvement of an embodiment of the present invention, two elastic elements are disposed on the upper surfaces of both left and right end portions of the cross beam.
As a further improvement of an embodiment of the present invention, the secondary elastic element includes: a hollow spring, an hourglass spring, or a rubber spring.
As a further improvement of an embodiment of the present invention, current receiving devices are provided on lower surfaces of both 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 one embodiment of the invention, two driving devices are arranged on the longitudinal beam, wherein one driving device is positioned on the front side of the cross beam and is used for driving two running wheels positioned on the front side of the cross beam to rotate; and the other 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.
As a further improvement of an embodiment of the present invention, the cross beam is provided with an anti-roll torsion bar device, and the anti-roll torsion bar device is connected with the bottom of the cross beam.
The embodiment of the invention provides a straddle type monorail vehicle, wherein the bogie is arranged at the bottom of a carriage of the straddle type monorail vehicle.
Compared with the prior art, the invention has the technical effects that: the embodiment of the invention provides a bogie and a straddle type monorail vehicle 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 are 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, 2B, 2C, and 2D are schematic structural views of the bogie in the present embodiment;
fig. 3 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.
An embodiment of the present invention provides a bogie for a straddle-type monorail vehicle, as shown in fig. 2A-2D, including:
the longitudinal beam 1 and the cross beam 2 are vertically connected with each other; the four walking wheels 3 are respectively and pivotally and symmetrically arranged at the left side and the right side of the longitudinal beam 1 and are positioned at the front side of the cross beam 2; the other two walking wheels 3 are respectively pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam 1 and are positioned on the rear side of the cross beam 2;
here, as shown in fig. 2A, a traction suspension device 23 is provided above the cross member 2, and in an actual straddle-type monorail vehicle, the traction suspension device 23 is used to connect the bottom of the vehicle compartment, and during the running of the straddle-type monorail vehicle, the straddle-type monorail vehicle moves along the extending direction of the side members 1, that is, along the front-rear direction. It can be understood that the traction suspension device 23 needs to bear the gravity and the pulling force of the carriage, the traction suspension device 23 can transmit the gravity and the pulling force to the cross beam 2, and the running wheels 3 are arranged on the front two sides of the cross beam 2, so that the stability of the bogie is greatly improved, namely the possibility of forward tilting or backward tilting of the bogie can be reduced.
In this bogie, no other parts are provided on the left side of the left-hand running wheels 3, and therefore, an operating space is left, thereby facilitating maintenance and/or replacement of the left-hand running wheels 3; no other components are arranged to the right of the right-hand running wheels 3, so that an operating space remains for maintenance and/or replacement of the right-hand running wheels 3, i.e. in the bogie of the present embodiment, the user can also easily maintain and/or replace the running wheels 3.
Here, the running wheels 3 are symmetrically arranged on both the left and right sides of the longitudinal beam 1, so that the track of the two running wheels 3 is increased, and the anti-rolling performance of the bogie is improved. Optionally, the track distance between the symmetrically arranged running wheels 3 is 850mm-2500 mm.
A concave part 21 is arranged in the middle of the upper surface of the cross beam 2, stopping parts 22 are arranged on the left side and the right side of the opening of the concave part 21, and a part of each stopping part 22 is positioned above the opening of the concave part 21;
a traction suspension device 23 is arranged above the cross beam 2, a connecting part 231 is arranged in the middle of the lower surface of the traction suspension device 23, a compound spring 232 is arranged below the connecting part 231, the connecting part 231 and the compound spring 232 extend into the concave part 21, flexible parts 233 are arranged on the left and right sides of the connecting part 231, the left flexible part 233 corresponds to the position of the left stopping part 22, and the right flexible part 233 corresponds to the position of the right stopping part 22.
Here, the traction suspension device 23 is located on the upper side of the cross beam 2, as shown in fig. 2A, during the operation of the straddle-type monorail vehicle, the straddle-type monorail vehicle may shake left and right, and the shaking amplitude may be too large, for example, when the straddle-type monorail vehicle shakes right, because a part of the stopper portion 22 on the right side is located above the opening of the concave portion 21, and the flexible portion 233 on the right side corresponds to the stopper portion 22 on the right side, it can be understood that the flexible portion 233 on the right side of the connecting portion may collide with the stopper portion 22 on the right side, and will not collide with the cross beam 2, so that the shaking amplitude on the right side can be reduced, and the cross beam can be prevented from being damaged; when the left sway occurs, since a part of the stopping portion 22 on the left side is located above the opening of the concave portion 21, and the flexible portion 233 on the left side corresponds to the position of the stopping portion 22 on the left side, it can be understood that the flexible portion 233 on the left side of the connecting portion will collide with the stopping portion 22 on the left side, and will not collide with the cross beam 2, so that the left sway amplitude can be reduced, and the cross beam can be prevented from being damaged.
Here, the compound spring 232 may be a spring formed by wrapping a rubber material around a metal coil spring and performing compound vulcanization, and it can be understood that the compound spring 232 can buffer up and down shaking of the car.
In this embodiment, as shown in fig. 2C, the method further includes: and two lateral shock absorbers 234, wherein a first end of one lateral shock absorber 234 is movably connected to the front side of the connecting part 231, a second end is movably connected to the left end part of the cross beam 2, and a first end of the other lateral shock absorber 234 is movably connected to the rear side of the connecting part 231, and a second end is movably connected to the right end part of the cross beam 2. Here, the two lateral dampers 234 can buffer not only the lateral sway of the vehicle compartment but also the fore-and-aft sway of the vehicle compartment.
In this embodiment, as shown in fig. 2A, two elastic elements 24 are disposed on the upper surfaces of both left and right ends of the beam 2. Here, the elastic elements 24 may be air springs or hourglass springs. Here, as shown in fig. 2A and 2B, the cross member 2 may be divided into: the left side beam 2A, the middle beam 2B and the right side beam 2C are fixedly connected with each other, wherein a secondary elastic element 24 is arranged on the upper surface of each of the left side beam 2A and the right side beam 2C, and a concave part 21 is arranged on the upper surface of the middle beam 2B.
Here, a secondary elastic element 24 is provided on both the left and right end portions of the cross member 2, and it can be understood that, for the car, the middle portion of the bottom thereof may be located on the traction suspension device 23, the left portion may be located on the secondary elastic element 24 on the left side, and the right portion may be located on the secondary elastic element 24 on the right side, so that the left-right shaking of the car can be greatly alleviated.
In this embodiment, the secondary elastic element 24 includes: a hollow spring, an hourglass spring, or a rubber spring.
In this embodiment, current receiving devices 25 are disposed on the lower surfaces of the left and right ends of the cross beam 2.
In this embodiment, the front and rear ends of the longitudinal beam 1 are provided with guide wheels 11. Here, one guide wheel 11 is provided on each of the left and right sides of the front end of the longitudinal beam 1, one guide wheel 11 is provided on each of the left and right sides of the rear end of the longitudinal beam 1,
in the embodiment, two driving devices are arranged on the longitudinal beam 1, wherein one driving device is positioned on the front side of the cross beam 2 and is used for driving the two running wheels 3 positioned on the front side of the cross beam 2 to rotate; the other driving device is arranged at the rear side of the cross beam 2 and is used for driving the two running wheels 3 arranged at the rear side of the cross beam 2 to rotate. As shown in fig. 2D, the longitudinal beam 1 is composed of axle housings 1A located on the front and rear sides of the cross beam 2, and the connection mode between the two axle housings 1A and the cross beam 2 can be: welded connections or fastener connections, etc.
Be provided with drive arrangement in axle housing 1A, the drive arrangement drive is located the walking of axle housing 1A left and right sides takes turns 3 to rotate, and drive arrangement includes: the driving system comprises a body suspension type motor 1C, a transmission system positioned in an axle housing 1A and a coupling 1B used for connecting the motor 1C and the transmission system, wherein in the transmission system, the rotating speed of the motor 1C is transmitted to a differential mechanism through a speed changing device and then is divided into two half shafts to drive a left traveling wheel 3 and a right traveling wheel 3 to rotate.
The brake drum 1D is installed on the upper portion of the axle housing 1A, and when the straddle type monorail vehicle brakes, the brake drum 1D transmits braking force to a brake disc, connected with the traveling wheels 3, of the axle housing 1A, and therefore the braking function is achieved.
In the present embodiment, cross beam 2 is provided with anti-roll torsion bar device 26, and anti-roll torsion bar device 26 is connected to the bottom of cross beam 2. Anti-roll torsion bar arrangement 26 is capable of providing anti-roll force for a straddle-type monorail vehicle.
The second embodiment of the invention provides a straddle type monorail vehicle, and the bogie in the first embodiment is installed at the bottom of a carriage of the straddle type monorail vehicle.
The third embodiment of the present invention provides a track 5, and fig. 3 shows a schematic structural diagram of the track 5, where the track includes: the track comprises a first track beam 51, a second track beam 52 and a connecting beam 55, wherein the first track beam, the second track beam and the connecting beam 55 extend along the front-back direction, the first track beam and the second track beam are fixed on the left side and the right side of the connecting beam 55 in a parallel and separated mode, and the upper side faces of the first track beam and the second track beam respectively provide walking faces for two walking wheels 3. The first and second track beams 51, 52 and the connecting beam 55 together define an inner channel 54, the left and right side surfaces of which inner channel 54 form guide surfaces for the running of the guide wheels 11, it being understood that during operation of the straddle-type monorail vehicle, the guide wheels 11 cooperate with the guide surfaces to provide steering force for the straddle-type monorail vehicle.
The power supply rails 53 are arranged on the right side of the first track beam 51 and the left side of the second track beam 52, the power supply rail 53 on the left side is matched with the current receiving device 25 on the left side of the bogie, and the power supply rail 53 on the right side is matched with the current receiving device 25 on the right side of the bogie, so that power is supplied for the operation of the straddle type monorail vehicle, and power is supplied 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 (9)
1. A bogie for a straddle-type monorail vehicle, comprising:
the longitudinal beams (1) and the cross beams (2) are vertically connected with each other;
the four walking wheels (3), wherein the two walking wheels (3) are respectively arranged on the left side and the right side of the longitudinal beam (1) in a pivoting and symmetrical mode and are positioned on the front side of the cross beam (2); the other two walking wheels (3) are respectively and pivotally and symmetrically arranged on the left side and the right side of the longitudinal beam (1) and are positioned on the rear side of the cross beam (2);
a concave part (21) is arranged in the middle of the upper surface of the cross beam (2), stopping parts (22) are arranged on the left side and the right side of the opening of the concave part (21), and one part of each stopping part (22) is positioned above the opening of the concave part (21);
the traction suspension device (23) is arranged above the cross beam (2), a connecting portion (231) is arranged in the middle of the lower surface of the traction suspension device (23), a composite spring (232) is arranged on the lower side of the connecting portion (231), the connecting portion (231) and the composite spring (232) stretch into the concave portion (21), flexible portions (233) are arranged on the left side and the right side of the connecting portion (231), the positions of the left flexible portion (233) and the left stopping portion (22) correspond to each other, and the positions of the right flexible portion (233) and the right stopping portion (22) correspond to each other.
2. The bogie of claim 1, further comprising:
and two transverse shock absorbers (234), wherein the first end of one transverse shock absorber (234) is movably connected to the front side of the connecting part (231), the second end of the transverse shock absorber is movably connected to the left end part of the cross beam (2), the first end of the other transverse shock absorber (234) is movably connected to the rear side of the connecting part (231), and the second end of the transverse shock absorber is movably connected to the right end part of the cross beam (2).
3. The bogie according to claim 1,
two elastic elements (24) are arranged on the upper surfaces of the left end part and the right end part of the cross beam (2).
4. A bogie as claimed in claim 3, characterised in that said secondary elastic element (24) comprises:
a hollow spring, an hourglass spring, or a rubber spring.
5. The bogie of claim 1, wherein:
the lower surfaces of the left end and the right end of the cross beam (2) are provided with current receiving devices (25).
6. The bogie of claim 1, wherein:
the front end and the rear end of the longitudinal beam (1) are provided with guide wheels (11).
7. The bogie of claim 1, wherein:
two driving devices are arranged on the longitudinal beam (1), wherein one driving device is positioned on the front side of the cross beam (2) and is used for driving two walking wheels (3) positioned on the front side of the cross beam (2) to rotate; and the other driving device is positioned at the rear side of the cross beam (2) and is used for driving the two running wheels (3) positioned at the rear side of the cross beam (2) to rotate.
8. The bogie of claim 1, wherein:
the cross beam (2) is provided with an anti-rolling torsion bar device (26), and the anti-rolling torsion bar device (26) is connected with the bottom of the cross beam (2).
9. A straddle-type monorail vehicle, characterized in that:
the bogie as claimed in any one of claims 1 to 8 is mounted to the bottom of the passenger compartment of the straddle monorail vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043277.1A CN110654410A (en) | 2019-10-30 | 2019-10-30 | Bogie and straddle type monorail vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043277.1A CN110654410A (en) | 2019-10-30 | 2019-10-30 | Bogie and straddle type monorail vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110654410A true CN110654410A (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911043277.1A Pending CN110654410A (en) | 2019-10-30 | 2019-10-30 | Bogie and straddle type monorail vehicle with same |
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| Country | Link |
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| CN (1) | CN110654410A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572504A (en) * | 2020-12-11 | 2021-03-30 | 重庆中车长客轨道车辆有限公司 | Straddle type monorail bogie and straddle type monorail vehicle |
| CN113830127A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guiding device and rail vehicle with same |
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| CN108725493A (en) * | 2018-07-17 | 2018-11-02 | 中车株洲电力机车有限公司 | A kind of draft gear and its bogie |
| CN208746010U (en) * | 2018-08-20 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | A kind of secondary suspension trailer system of rail vehicle truck |
| CN110155110A (en) * | 2019-05-30 | 2019-08-23 | 中车青岛四方机车车辆股份有限公司 | The bogie frame and bogie of rail vehicle |
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2019
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| CN101966851A (en) * | 2010-07-08 | 2011-02-09 | 株洲时代新材料科技股份有限公司 | Traction method and system for rail transportation |
| CN107128321A (en) * | 2017-06-21 | 2017-09-05 | 重庆畅行科技发展有限公司 | Straddle-type single-track vehicle spine formula double-shaft power bogie |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113830127A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guiding device and rail vehicle with same |
| CN112572504A (en) * | 2020-12-11 | 2021-03-30 | 重庆中车长客轨道车辆有限公司 | Straddle type monorail bogie and straddle type monorail vehicle |
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Application publication date: 20200107 |
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