CN212473436U

CN212473436U - Straddle type rail transit vehicle and rail transit system

Info

Publication number: CN212473436U
Application number: CN202022219981.2U
Authority: CN
Inventors: 于楷进
Original assignee: MCC Capital Engineering and Research Incorporation Ltd
Current assignee: MCC Capital Engineering and Research Incorporation Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-02-05
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a stride suspension type rail transit vehicle and rail transit system strides suspension type rail transit vehicle, include: the first carriage and the second carriage are in the same structure and are arranged in parallel and symmetrically, and the first carriage and the second carriage are connected through a vehicle upper cross beam positioned above the first carriage and the second carriage; the bearing wheel is arranged between the first carriage and the second carriage, is coaxially and rotatably arranged on the upper cross beam of the vehicle, and has the same distance with the first carriage and the second carriage; the guide wheel set comprises an upper guide wheel set and a lower guide wheel set, the upper guide wheel set and the lower guide wheel set are arranged at the position of the opposite carriage wall of the first carriage and the second carriage at intervals along the vertical direction, and the upper guide wheel set is located below the bearing wheels. The beneficial effects of the utility model are that, guaranteed the focus or the centroid in carriage and the focus or the centroid of bridge and coincide basically, made the vehicle can not produce horizontal additional moment of flexure to the bridge to can not produce the wrench movement effect to the bridge, alleviate the destruction to the bridge, help improving the life-span of bridge.

Description

Straddle type rail transit vehicle and rail transit system

Technical Field

The utility model relates to a track traffic field, concretely relates to stride suspension type track transportation vehicles and track traffic system.

Background

Under the action of wind load or when the vehicle turns, transverse bending moment is generated. This can cause damage to the bridge and also to the vehicle itself. Resulting in high manufacturing costs and high operating expenses.

Taking the straddle type monorail track beam as an example, the straddle type monorail track beam has small transverse size and poor transverse stress performance. Meanwhile, when the vehicle runs on the track beam, the transverse bending and torsion stress of the track beam is very prominent due to the centrifugal force and the transverse swinging force generated by the running of the vehicle and the influence from wind power. In addition, the superstructure of the straddle type monorail transit bridge is only a single thin track beam, the dead weight of the straddle type monorail transit bridge is not as high as that of a highway, a municipal bridge and a common subway bridge with the same span, the dead load is only about 30%, the live load level is approximately equivalent, the relative live load ratio is large, the live load ratio is about 1:1.6, and the structural fatigue problem is obvious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stride suspension type rail transit vehicle and rail transit system to reach the purpose that alleviates the destruction to the bridge.

The utility model provides a technical scheme that its technical problem adopted is: a straddle-type rail transit vehicle comprising: the first carriage and the second carriage are in the same structure and are arranged in parallel and symmetrically, and the first carriage and the second carriage are connected through a vehicle upper cross beam positioned above the first carriage and the second carriage; the bearing wheel is arranged between the first carriage and the second carriage, is coaxially and rotatably arranged on the upper cross beam of the vehicle, and has the same distance with the first carriage and the second carriage; the guide wheel set comprises an upper guide wheel set and a lower guide wheel set, the upper guide wheel set and the lower guide wheel set are arranged at the position of the opposite carriage wall of the first carriage and the second carriage at intervals along the vertical direction, and the upper guide wheel set is located below the bearing wheels.

Furthermore, the upper guide wheel set and the lower guide wheel set are identical in structure, the upper guide wheel set comprises two guide wheels, and the two guide wheels are symmetrically arranged on the opposite carriage walls of the first carriage and the second carriage.

Further, first railway carriage or compartment includes vehicle outer column, vehicle inner column and vehicle bottom end rail, and vehicle outer column and the parallel interval setting of vehicle inner column, the lower surface at vehicle upper end rail one end is all fixed to the upper end of vehicle outer column and vehicle inner column, and the lower extreme of vehicle outer column and vehicle inner column is connected respectively to the both ends of vehicle bottom end rail, and the setting of direction wheelset is in the vehicle inner column department that corresponds.

Further, first carriage still includes carriage back timber and carriage floorbar, and the parallel interval of carriage back timber sets up in vehicle entablature below, and the parallel interval of carriage floorbar sets up vehicle bottom end rail top, and the carriage back timber is located carriage floorbar top.

Further, the first carriage further comprises a carriage top plate and a carriage bottom plate, the carriage top plate is fixedly arranged above the carriage top beam, and the carriage bottom plate is fixedly arranged above the carriage bottom beam.

Furthermore, a vehicle upper connecting piece is arranged between the carriage top beam and the vehicle upper cross beam and comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the upper end of the vehicle outer upright post, and the other end of the first connecting rod is connected with the middle part of the upper end of the vehicle inner upright post; one end of the second tie rod is connected with the upper end of the vehicle inner upright post, the other end of the second tie rod is connected with the middle part of the upper end of the vehicle outer upright post, and the first tie rod and the second tie rod are intersected.

Further, a vehicle lower connecting piece is arranged between the carriage bottom beam and the vehicle lower cross beam and comprises a third connecting rod and a fourth connecting rod, one end of the third connecting rod is connected with the lower end of the vehicle outer upright post, and the other end of the third connecting rod is connected with the middle part of the lower end of the vehicle inner upright post; one end of the fourth tie rod is connected with the lower end of the vehicle inner upright, the other end of the fourth tie rod is connected with the middle part of the lower end of the vehicle outer upright, and the third tie rod and the fourth tie rod are intersected.

Further, the vehicle outer column is provided with a vehicle outer door, and the vehicle inner column is provided with a vehicle inner door.

The utility model also provides a rail transit system, including foretell suspension type rail transit vehicle strides, rail transit system still includes: the upper cross beam and the lower cross beam are arranged in parallel at intervals, the upper cross beam is positioned above the lower cross beam, the bearing wheels are arranged on the upper cross beam, and the first carriage and the second carriage are symmetrically arranged on two sides of the upper cross beam; the inner beam column is arranged along the vertical direction, the upper end of the inner beam column is hinged with the lower surface of the upper cross beam, and the lower end of the inner beam column is hinged with the upper surface of the lower cross beam.

Further, the rail transit system further includes: the pillar is arranged below the lower cross beam and is fixedly connected with the supported ground; and the beam internal connection pieces are arranged between two adjacent beam internal columns, and each beam internal connection piece comprises two cross-connected beam internal connection tie rods.

The beneficial effects of the utility model are that, set up the first carriage and the second carriage that the structure is the same, and make the bearing wheel the same with the distance between first carriage and the second carriage, can guarantee bridge symmetry atress to make the bridge can not receive moment of flexure effect on horizontal, alleviate the destruction to the bridge.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a straddle type rail transit vehicle according to an embodiment of the present invention;

fig. 2 is a schematic view of a door position of a straddle type rail transit vehicle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rail transit system in an embodiment of the present invention;

FIG. 4 is a front view of FIG. 3;

fig. 5 is a longitudinal sectional view of fig. 4.

Reference numbers in the figures: 1. a ground surface; 2. a pillar; 3. a lower cross beam; 4. an upper cross beam; 5. an inner upright post of the beam; 6. a beam inner linkage; 7. a vehicle outer pillar; 8. a vehicle inner pillar; 9. a vehicle upper cross member; 10. a vehicle lower cross member; 11. a vehicle upper linkage; 12. a vehicle lower link; 13. a car roof beam; 14. a bottom beam of the carriage; 15. a load-bearing wheel; 16. an upper guide wheel set; 17. a lower guide wheel set; 18. an outer door of the vehicle; 19. a vehicle interior door; 20. a roof of the carriage; 21. a platform floor.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 2, an embodiment of the present invention provides a straddle type rail transit vehicle, which includes a first carriage and a second carriage having the same structure, a bearing wheel 15 and a guide wheel set. The first and second carriages of identical construction are arranged in parallel and symmetrically and are connected by an upper cross member 9 of the vehicle located above. The load-bearing wheel 15 is arranged between the first car and the second car, the load-bearing wheel 15 is coaxially and rotatably arranged on the upper cross beam 9 of the vehicle, and the distance between the load-bearing wheel 15 and the first car and the second car is the same. The guide wheel set comprises an upper guide wheel set 16 and a lower guide wheel set 17, the upper guide wheel set 16 and the lower guide wheel set 17 are arranged on the opposite carriage wall of the first carriage and the second carriage at intervals along the vertical direction, and the upper guide wheel set 16 is positioned below the bearing wheel 15.

The first carriage and the second carriage which are identical in structure are arranged, the distance between the bearing wheel 15 and the first carriage is identical to that between the bearing wheel 15 and the second carriage, and the symmetrical stress of the bridge can be guaranteed, so that the bridge cannot be affected by bending moment in the transverse direction, and the damage to the bridge is reduced.

Meanwhile, the first carriage and the second carriage are suspended on two sides of the bridge in a spanning mode, the upper edges of the first carriage and the second carriage are flush with the upper edge of the bridge, and the lower edges of the first carriage and the second carriage are flush with the lower edge of the bridge, so that the gravity center or the centroid of the carriages is basically coincident with the gravity center or the centroid of the bridge, the vehicle cannot generate transverse additional bending moment on the bridge under the action of transverse wind power or transverse centrifugal force, the twisting effect on the bridge cannot be generated, the damage to the bridge is reduced, and the service life of the bridge is prolonged.

Specifically, the upper guide wheel set 16 and the lower guide wheel set 17 have the same structure, and the upper guide wheel set 16 includes two guide wheels symmetrically disposed on opposite compartment walls of the first compartment and the second compartment.

It should be noted that the first car and the second car have the same structure, and only the first car is taken as an example for description, and the second car will not be described again.

In the present embodiment, the upper guide wheel set 16 and the lower guide wheel set 17 have the same structure and only different positions, so only the specific structure of the upper guide wheel set 16 will be described, where the upper guide wheel set 16 includes two guide wheels, one of which is rotatably installed on the first car and the other of which is rotatably installed on the second car, and the two guide wheels correspond to each other in position. When the guide wheel works, the two guide wheels can be abutted and guided with the same track.

As shown in fig. 1 and 2, the first compartment includes an outer vehicle pillar 7, an inner vehicle pillar 8 and a lower vehicle pillar 10, the outer vehicle pillar 7 and the inner vehicle pillar 8 are arranged in parallel at intervals, the upper ends of the outer vehicle pillar 7 and the inner vehicle pillar 8 are both fixed on the lower surface of one end of the upper vehicle pillar 9, the two ends of the lower vehicle pillar 10 are respectively connected with the lower ends of the outer vehicle pillar 7 and the inner vehicle pillar 8, and the guide wheel set is arranged at the corresponding inner vehicle pillar 8.

The vehicle outer column 7, the vehicle inner column 8, the vehicle lower cross beam 10 and the vehicle upper cross beam 9 together enclose a carriage frame for supporting the weight of the whole carriage, wherein the first carriage is in a cubic structure in the embodiment.

The vehicle upper cross beam 9 penetrates through the first compartment and the second compartment, and the vehicle upper cross beam 9 plays a role in connecting the first compartment and the second compartment on two sides. The lower cross member 10 is two sections, which are respectively arranged at the lower parts of the first compartment and the second compartment and do not penetrate through the first compartment and the second compartment.

Preferably, the first compartment further comprises a top compartment beam 13 and a bottom compartment beam 14, wherein the top compartment beam 13 is arranged below the upper cross beam 9 of the vehicle at a parallel interval, the bottom compartment beam 14 is arranged above the lower cross beam 10 of the vehicle at a parallel interval, and the top compartment beam 13 is arranged above the bottom compartment beam 14. The roof rail 13 and the floor rail 14 are the upper and lower supporting base for the interior of the first car for carrying the weight of the passengers inside.

Further, the first compartment also comprises a compartment roof 20 and a compartment floor 21, wherein the compartment roof 20 is fixedly arranged above the compartment top beam 13, and the compartment floor 21 is fixedly arranged above the compartment bottom beam 14. The roof panel 20 and the floor panel 21 are both fixedly mounted at predetermined positions to support a load.

As shown in fig. 1 and 2, in the embodiment of the present invention, an upper vehicle connecting member 11 is disposed between the top beam 13 of the car and the upper vehicle cross beam 9, and includes a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the upper end of the outer vehicle pillar 7, and the other end of the first connecting rod is connected to the middle of the upper end of the inner vehicle pillar 8; one end of the second tie rod is connected to the upper end of the vehicle inner pillar 8, the other end of the second tie rod is connected to the upper end middle portion of the vehicle outer pillar 7, and the first tie rod and the second tie rod intersect.

Further, a vehicle lower connecting piece 12 is arranged between the carriage bottom beam 14 and the vehicle lower cross beam 10 and comprises a third connecting rod and a fourth connecting rod, one end of the third connecting rod is connected with the lower end of the vehicle outer upright post 7, and the other end of the third connecting rod is connected with the middle part of the lower end of the vehicle inner upright post 8; one end of the fourth tie rod is connected with the lower end of the vehicle inner upright post 8, the other end of the fourth tie rod is connected with the middle part of the lower end of the vehicle outer upright post 7, and the third tie rod and the fourth tie rod are intersected.

The provision of the vehicle upper cross member 9 and the vehicle lower links 12 can form a stable triangular structure to improve the overall strength of the first compartment.

In this embodiment, the number of the vehicle outer pillars 7 is plural, and a compartment outer wall is provided between two adjacent vehicle outer pillars 7, and a vehicle outer door 18 is provided on the compartment outer wall. The vehicle inner upright columns 8 are multiple, a compartment inner wall is arranged between every two adjacent vehicle inner upright columns 8, and a vehicle inner door 19 is arranged on the compartment inner wall. Or two adjacent vehicle outer pillars 7 are used as support frames of the vehicle outer door 18, and two adjacent vehicle inner pillars 8 are used as supports of the vehicle inner door 19.

The vehicle exterior door 18 is used to communicate the cabin and the platform, and the vehicle can be started only after the vehicle exterior door 18 is closed. The vehicle outer door 18 is opened only when the vehicle arrives at the station, after the stop at the station. The vehicle inner door 19 is communicated with carriages on two sides of the bridge, and the vehicle can be started only after the vehicle inner door 19 is closed. The vehicle interior door 19 can be opened only after the vehicle comes to a stop.

It should be noted that the embodiment of the utility model provides a can be used to whole overhead tourism track traffic, urban passenger traffic track traffic, urban freight transportation track traffic of laying.

The drive assembly of striding suspension type rail transit vehicle in this embodiment, all set up in the carriage top outside like drive bearing wheel 15 pivoted driving motor etc. and the purpose of doing so makes carriage inner space not receive drive assembly's influence, can guarantee that carriage inner space accords with the delivery needs, sets up drive assembly and can make drive assembly's noise give off to the carriage outside the carriage top simultaneously, reaches the purpose that reduces carriage internal noise.

As shown in fig. 3 to 5, the present invention further provides a rail transportation system, which includes the above-mentioned span suspension rail transportation vehicle, and the rail transportation system further includes an upper beam 4, a lower beam 3 and a beam inner column 5. The upper cross beam 4 and the lower cross beam 3 are arranged at intervals in parallel, the upper cross beam 4 is positioned above the lower cross beam 3, the bearing wheels 15 are arranged on the upper cross beam 4, and the first carriage and the second carriage are symmetrically arranged on two sides of the upper cross beam 4. The inner upright post 5 is arranged along the vertical direction, the upper end of the inner upright post 5 is hinged with the lower surface of the upper cross beam 4, and the lower end of the inner upright post 5 is hinged with the upper surface of the lower cross beam 3.

In this embodiment, the upper cross beam 4 and the lower cross beam 3 are two rails having the same structure, and the plurality of beam inner columns 5 are uniformly distributed in parallel along the extending direction of the upper cross beam 4 at intervals for connecting the upper cross beam 4 and the lower cross beam 3. The components form a supporting bridge of the straddle type rail transit vehicle. The bearing wheel 15 is arranged above the upper cross beam 4 and can drive the whole carriage to move forward, the upper guide wheel set 16 is matched with the side wall of the upper cross beam 4, and the lower guide wheel set 17 is matched with the side wall of the lower cross beam 3.

Preferably, the rail transit system further comprises a pillar 2 and an in-beam linkage 6. The support column 2 is arranged below the lower cross beam 3 and is fixedly connected with the supported ground 1. The support columns 2 are arranged to support the lower cross beam 3 to a set height, so that the purpose of meeting the requirements of different working conditions is achieved. The beam inner tie 6 is arranged between two adjacent beam inner uprights 5, each beam inner tie 6 comprising two cross-connected beam inner tie rods. The beam interconnector 6 is to reinforce the strength and stability of the bridge, so that the rail transit system in this embodiment is more durable.

It should be noted that, the middle and upper cross beams 4, the lower cross beam 3 and the beam inner column 5 constitute a bridge main body in this embodiment, and this bridge main body has a center of gravity position, in the embodiment of the present invention, when the span suspension type rail transit vehicle is installed on the bridge main body, the center of gravity of the first carriage and the second carriage is located on the same horizontal plane, and coincides basically with the center of gravity or the center of gravity position of the bridge main body. The arrangement mode can ensure that the straddle type rail transit vehicle cannot generate transverse additional bending moment on the bridge main body and cannot generate twisting effect on the bridge main body.

Preferably, a solar energy and/or wind power generation system can be arranged on the body of the cross-suspension type rail transit vehicle and the bridge main body, and energy can be provided for the cross-suspension type rail transit vehicle, so that the purpose of saving energy is achieved. And the installation position of the solar and/or wind power generation system does not interfere with the normal running of the cross-suspension type rail transit vehicle.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the first carriage and the second carriage which are identical in structure are arranged, the distance between the bearing wheel 15 and the first carriage is identical to that between the bearing wheel 15 and the second carriage, and the symmetrical stress of the bridge can be guaranteed, so that the bridge cannot be affected by bending moment in the transverse direction, and the damage to the bridge is reduced.

The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and the technical scheme, all can the independent assortment use between technical scheme and the technical scheme.

Claims

1. A straddle-type rail transit vehicle, comprising:

the first carriage and the second carriage are in the same structure and are arranged in parallel and symmetrically, and the first carriage and the second carriage are connected through a vehicle upper cross beam (9) positioned above;

a load-bearing wheel (15) arranged between the first car and the second car, the load-bearing wheel (15) being coaxially and rotatably arranged on the vehicle upper cross beam (9), and the load-bearing wheel (15) being at the same distance from the first car and the second car;

the guide wheel set comprises an upper guide wheel set (16) and a lower guide wheel set (17), the upper guide wheel set and the lower guide wheel set are arranged at intervals in the vertical direction on the position, opposite to the carriage wall, of the first carriage and the second carriage, and the upper guide wheel set (16) is located below the bearing wheel (15).

2. The straddle-suspension rail transit vehicle according to claim 1, wherein the upper guide wheel set (16) and the lower guide wheel set (17) are identical in structure, and the upper guide wheel set (16) comprises two guide wheels which are symmetrically arranged at opposite carriage walls of the first carriage and the second carriage.

3. The straddle-suspension rail transit vehicle according to claim 1, wherein the first carriage comprises an outer vehicle upright (7), an inner vehicle upright (8) and a lower vehicle cross beam (10), the outer vehicle upright (7) and the inner vehicle upright (8) are arranged in parallel at intervals, the upper ends of the outer vehicle upright (7) and the inner vehicle upright (8) are fixed on the lower surface of one end of the upper vehicle cross beam (9), the two ends of the lower vehicle cross beam (10) are respectively connected with the lower ends of the outer vehicle upright (7) and the inner vehicle upright (8), and the guide wheel sets are arranged at the corresponding inner vehicle upright (8).

4. The straddle-suspension rail transit vehicle according to claim 3, wherein the first carriage further comprises a top carriage beam (13) and a bottom carriage beam (14), the top carriage beam (13) being disposed in parallel spaced below the upper vehicle cross beam (9), the bottom carriage beam (14) being disposed in parallel spaced above the lower vehicle cross beam (10), and the top carriage beam (13) being disposed above the bottom carriage beam (14).

5. The straddle-suspension rail transit vehicle of claim 4, wherein the first carriage further comprises a top carriage deck (20) and a bottom carriage deck (21), the top carriage deck (20) being fixedly disposed above the top carriage beam (13), the bottom carriage deck (21) being fixedly disposed above the bottom carriage beam (14).

6. The straddle-suspension rail transit vehicle according to claim 4, characterized in that an upper vehicle linkage (11) is provided between the roof rail (13) and the upper vehicle cross member (9), and comprises a first linkage rod and a second linkage rod, wherein one end of the first linkage rod is connected with the upper end of the outer vehicle pillar (7), and the other end of the first linkage rod is connected with the middle part of the upper end of the inner vehicle pillar (8); one end of the second tie rod is connected with the upper end of the vehicle inner upright post (8), the other end of the second tie rod is connected with the middle part of the upper end of the vehicle outer upright post (7), and the first tie rod and the second tie rod intersect.

7. The straddle-suspension rail transit vehicle according to claim 4, wherein a lower vehicle linkage (12) is provided between the bed sill (14) and the lower vehicle cross member (10), and comprises a third link and a fourth link, one end of the third link is connected with the lower end of the outer vehicle pillar (7), and the other end of the third link is connected with the middle lower end of the inner vehicle pillar (8); one end of the fourth tie rod is connected with the lower end of a vehicle inner upright post (8), the other end of the fourth tie rod is connected with the middle part of the lower end of the vehicle outer upright post (7), and the third tie rod and the fourth tie rod are intersected.

8. The straddle-suspension rail transit vehicle according to claim 3, characterized in that the vehicle outer pillar (7) is provided with an outer vehicle door (18) and the vehicle inner pillar (8) is provided with an inner vehicle door (19).

9. A rail transit system comprising the straddle-type rail transit vehicle of any one of claims 1 to 8, further comprising:

the upper cross beam (4) and the lower cross beam (3) are arranged in parallel at intervals, the upper cross beam (4) is positioned above the lower cross beam (3), the bearing wheels (15) are arranged on the upper cross beam (4), and the first carriage and the second carriage are symmetrically arranged on two sides of the upper cross beam (4);

the beam inner column (5) is arranged along the vertical direction, the upper end of the beam inner column (5) is hinged to the lower surface of the upper cross beam (4), and the lower end of the beam inner column (5) is hinged to the upper surface of the lower cross beam (3).

10. The rail transit system of claim 9, further comprising:

the strut (2) is arranged below the lower cross beam (3) and is fixedly connected with the supported ground (1);

and the beam inner connecting pieces (6) are arranged between two adjacent beam inner columns (5), and each beam inner connecting piece (6) comprises two cross-connected beam inner connecting tie rods.