CN111893816B

CN111893816B - Rubber-wheeled tram guide rail, track and road

Info

Publication number: CN111893816B
Application number: CN202010866391.0A
Authority: CN
Inventors: 黎泰良; 贾伦学; 杜卫
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd; Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd; Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2025-01-07
Anticipated expiration: 2040-08-25
Also published as: CN111893816A

Abstract

The invention discloses a rubber-tyred trolley bus guide rail, a rail and a road, wherein the rubber-tyred trolley bus guide rail comprises at least two friction rails matched with rubber wheels of a trolley bus, guide grooves for guiding the running direction of the trolley bus, the guide grooves are positioned between two adjacent friction rails, each guide groove is formed by two adjacent friction rails at a preset distance, two inner walls of each guide groove are respectively the side walls of the two adjacent friction rails, a plurality of cross beams are positioned below the friction rails, one cross beam is perpendicular to the extending direction of the friction rail, and the cross beams are uniformly distributed along the extending direction of the friction rail. The rubber-tyred tramcar guide rail, the track and the road can solve the problem that the existing rubber-tyred tramcar guide rail has poor structural stability.

Description

Rubber-tyred trolley bus guide rail, rail and road

Technical Field

The invention relates to the technical field of rail transit, in particular to a rubber-tyred trolley bus guide rail, a rail and a road.

Background

The development of middle and small cities is an important component of the urban production of China and is an important carrier for promoting industrialization, urban production and agricultural modernization. With the improvement of economic level and resident income level of small and medium cities, the proportion of the cars going out is gradually increased, and the problems of road traffic jam, difficult parking and the like are increasingly serious. Therefore, the public transport is advocated to be a development direction of urban traffic systems in the future. However, the public transport system in the middle and small cities has single mode and relatively low service level, so that the bus trip sharing rate is low.

The rubber-tired tramcar is a low-traffic urban rail traffic between the modern tramcar and the monorail, and has the characteristics of low noise, low vibration, energy conservation, comfort, convenience, environmental protection, attractive appearance and the like. However, the guide rail of the prior rubber-tyred tramcar adopts a small-section steel box guide rail beam structure, and the structure has small width-span ratio and low torsional strength, so the prior rubber-tyred tramcar guide rail has the problem of poor structural stability.

Disclosure of Invention

In order to solve the existing technical problems, the embodiment of the invention is expected to provide a rubber-tyred tram rail, a track and a road, which can solve the problem that the existing rubber-tyred tram rail has poor structural stability.

In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows:

In a first aspect, an embodiment of the present invention provides a rubber-tyred trolley rail, the rail comprising:

the friction rails are matched with the rubber wheels of the electric car, and the number of the friction rails is at least two and parallel to each other;

the guide groove is positioned between two adjacent friction rails and is formed by spacing two adjacent friction rails by a preset distance, and the two inner walls of the guide groove are the side walls of the two adjacent friction rails respectively;

and the cross beams are positioned below the friction rail, the single cross beam is perpendicular to the extending direction of the friction rail, and the cross beams are uniformly distributed along the extending direction of the friction rail.

In the above scheme, the guide rail further comprises a longitudinal beam, the longitudinal beam is perpendicular to the horizontal plane, the upper end of the longitudinal beam is fixed to the friction rail, and the lower end of the longitudinal beam is fixed to the cross beam.

In the scheme, the friction rail consists of a steel profile.

In the above scheme, the friction rail is made of steel and concrete.

In a second aspect, the embodiment of the invention provides a rubber-tyred trolley bus rail, which comprises any one of the guide rails and a supporting device for further supporting the guide rails, wherein the supporting device comprises a suspender and a suspender supporting beam, both ends of the suspender are fixed on a road surface, the lower end of the suspender is connected with the cross beam, and the upper end of the suspender is connected with the suspender supporting beam.

In the scheme, each beam is connected with two suspenders, and the two suspenders are respectively fixed at two ends of the beam.

In the scheme, the suspender supporting beam is arched, and two ends of the arch are both fixed on a road surface.

In the above scheme, the suspender supporting beam comprises two parallel arch ribs and a transverse strut connected with the two arch ribs, and the distance between the two arch ribs is adapted to the length of the transverse beam.

In a third aspect, the embodiment of the invention provides a rubber-tyred trolley road, which comprises a viaduct and any one of the rubber-tyred trolley tracks, wherein the viaduct is made of reinforced concrete, a cross beam of the rubber-tyred trolley track is fixed on a bridge deck of the viaduct, and a boom support beam of the rubber-tyred trolley track is fixed on a bridge pier of the viaduct.

In the scheme, the connection mode of the suspender supporting beam and the bridge pier is simply supported or fixedly connected.

The rubber-tyred tramcar guide rail, the rail and the road provided by the embodiment of the invention comprise at least two friction rails matched with rubber wheels of a tramcar, guide grooves for guiding the running direction of the tramcar, wherein the guide grooves are positioned between the two adjacent friction rails, the guide grooves are formed by the two adjacent friction rails at a preset distance, the two inner walls of the guide grooves are respectively the side walls of the two adjacent friction rails, a plurality of cross beams positioned below the friction rails, a single cross beam is perpendicular to the extending direction of the friction rails, and the cross beams are uniformly distributed along the extending direction of the friction rails.

Other beneficial effects of embodiments of the present invention will be further described in the detailed description with reference to the specific technical solutions.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is to be understood that the drawings described below are only a few of the embodiments of the present invention and that other drawings may be made from these drawings by one of ordinary skill in the art without the benefit of the present inventive effort.

FIG. 1 is a schematic view of a rubber-tyred trolley rail (the friction rail is made of steel sections) according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the present invention, a trolley rail (the friction rail is reinforced concrete);

FIG. 3 is a schematic view of a trolley road with rubber wheels according to an embodiment of the present invention;

FIG. 4 is a schematic illustration in section in the direction A-A in FIG. 3-the friction rail being composed of steel profiles;

Fig. 5 is a schematic diagram two (the friction rail is reinforced concrete) of the section in the direction A-A in fig. 3.

Reference numerals illustrate:

10 guide rails, 110 friction rails, 120 guide grooves, 130 cross beams, 140 longitudinal beams, 151 bolts, 152 shear nails, 20 electric vehicles, 210 rubber wheels, 220 bogies, 310 suspenders, 321 arch ribs, 322 transverse struts, 330 tie bars, 410 bridge piers, 420 bearing platforms and 430 pile foundations.

Detailed Description

Aiming at the problem that the existing rubber-tyred tram rail has poor structural stability, the embodiment of the invention provides a rubber-tyred tram rail, which comprises:

Here, the guide groove is generally engaged with the bogie of the electric car, guiding the turning of the electric car, and this structure is not known in the prior art. As to how to avoid friction damage, this is not the case in embodiments of the present invention. Here, the preset distance formed by the preset distance between two adjacent friction rails is considered comprehensively according to the width of the trolley and the width of the guide rail in practice, and will not be described in detail.

According to the rubber-tyred tramcar guide rail disclosed by the embodiment of the invention, the plurality of cross beams are arranged below the friction rail, so that the design of small width-to-span ratio of the existing guide rail is changed, and the problem of poor structural stability of the existing rubber-tyred tramcar guide rail can be solved.

In other embodiments of the invention, the rail further comprises a longitudinal beam, the longitudinal beam being perpendicular to the horizontal plane, the upper end of the longitudinal beam being fixed to the friction rail, the lower end of the longitudinal beam being fixed in the cross beam. The friction rail can be firmly fixed in the cross beam through the longitudinal beam, and the friction rail is a better embodiment.

In other embodiments of the invention, the friction rail is composed of a steel profile. Is simple to implement and is a better implementation mode.

In other embodiments of the invention, the friction rail is made of steel and concrete, i.e. reinforced concrete. In the mass construction of the trolley-bus guide rail is long enough, namely the product, the cost is lower, and the trolley-bus guide rail is a better implementation mode of mass construction.

The embodiment of the invention also provides a rubber-tyred trolley bus rail, which comprises any one of the guide rails and a supporting device for further supporting the guide rails, wherein the supporting device comprises a suspender and a suspender supporting beam, both ends of the suspender are fixed on a road surface, the lower end of the suspender is connected with the cross beam, and the upper end of the suspender is connected with the suspender supporting beam. In this way the boom can further support the rail, making the rail more stable, sturdy, a preferred embodiment.

In other embodiments of the invention, two suspension rods are connected to each beam, and the two suspension rods are respectively fixed at two ends of the beam. In this way, the supporting force is more balanced, and the method is a better implementation mode.

In other embodiments of the invention, the boom support beam is arched, with both ends of the arch being secured to the road surface. Here, the arched boom support beam is rigid, making the support more stable. The arched boom support beam can reduce the load of the tower (bridge pier in the embodiment of the invention) and the requirement of the foundation at the tower, and is a better implementation mode.

In other embodiments of the invention, the boom support beam includes two parallel ribs and a cross brace connecting the two ribs, the spacing of the two ribs being adapted to the length of the cross beam. The two arch ribs are matched with the two suspenders, so that the stress is more uniform, and the method is a better implementation mode. The cross brace makes the structure of the two arch ribs stronger and more stable, and is a better implementation mode.

The embodiment of the invention also provides a rubber-tyred trolley road, which comprises a viaduct and any rubber-tyred trolley track, wherein the viaduct is made of reinforced concrete, the cross beam of the rubber-tyred trolley track is fixed on the bridge deck of the viaduct, and the arch rib of the rubber-tyred trolley track is fixed on the bridge pier of the viaduct. The viaduct made of reinforced concrete can overcome the problems of easy buckling and large deformation of an independent rail in the prior art, and has stronger bearing capacity. It is also possible to construct a larger span of rubber-tyred trolley tracks, for example a span of more than 35 meters.

In other embodiments of the present invention, the arch rib is connected to the bridge pier in a simple or rigid manner. Thus, the structure is simple, the implementation is easy, and the method is a better implementation mode. The simple support or the fixed connection can be respectively suitable for different viaducts with different loads, different spans and the like.

The invention will be further described in detail with reference to the drawings and the specific embodiments thereof. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. Also, the embodiments described below are only some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art, without any inventive effort, are within the scope of protection of the present invention.

Example 1

The present embodiment provides a trolley rail, as shown in fig. 1 and 2, the rail 10 includes a friction rail 110, a guide groove 120, and a cross member 130.

The friction rails 110 are shown and are used for being matched with the rubber wheels 210 of the trolley 20, and the number of the friction rails 110 is two and parallel to each other;

The guiding groove 120 is used for guiding the running direction of the electric car 20, the guiding groove 120 is located between two adjacent friction rails 110, the guiding groove 120 is formed by spacing two adjacent friction rails 110 by a preset distance, two inner walls of the guiding groove 120 are respectively the side walls of two adjacent friction rails 110, and the guiding groove 120 can be matched with a bogie 220 (see fig. 4 and 5) of the electric car 20.

The cross beams 130 are positioned below the friction rail 110, a single cross beam 130 is perpendicular to the extending direction of the friction rail 110, and a plurality of cross beams 130 are uniformly distributed along the extending direction of the friction rail 110.

In this embodiment, the guide rail 10 further includes a longitudinal beam 140, the longitudinal beam 140 is perpendicular to the horizontal plane, the upper end of the longitudinal beam 140 is fixed to the friction rail 110, and the lower end of the longitudinal beam 140 is fixed to the cross beam 130.

In this embodiment, the friction rail 110 is made of steel profile or reinforced concrete. Specifically, when the friction rail 110 is composed of a steel profile, the friction rail 110 is fixed to the side member 140 by bolts 151. When the friction rail 110 is made of reinforced concrete, the friction rail 110 is fixed to the stringers 140 by shear pins 152.

Example two

The embodiment provides a trolley rail with rubber wheels, as shown in fig. 3-5, wherein the rail comprises the guide rail 10 and a supporting device for further supporting the guide rail 10, the supporting device comprises a boom 310 and a boom supporting beam, both ends of the boom supporting beam are fixed on a road surface, the lower end of the boom 310 is connected with the cross beam 130, and the upper end of the boom 310 is connected with the boom supporting beam.

In this embodiment, each beam 130 is connected to two suspension rods 310, and the two suspension rods 310 are respectively fixed at two ends of the beam 130.

In this embodiment, the boom support beam is arched, and both ends of the arch are fixed to the road surface. Specifically, the hanger bar support beam includes two parallel arch ribs 321 and a cross brace 322 connecting the two arch ribs 321, and the interval between the two arch ribs 321 is adapted to the length of the cross beam 130.

In this embodiment, the hanger bar support beam further includes tie bars 330, the tie bars 330 are connected to both ends of the arch rib 321, and the arch rib 321 is connected to the road surface through the tie bars 330.

Specifically, the rubber-tyred trolley track of this embodiment employs a underlaying arch bridge system.

Example III

The present embodiment provides a rubber-tyred trolley road, as shown in fig. 3-5, the road includes a viaduct and the rubber-tyred trolley track according to the second embodiment, the viaduct is made of reinforced concrete, the cross beam 130 of the rubber-tyred trolley track is fixed on the bridge deck of the viaduct, and the boom support beam of the rubber-tyred trolley track is fixed on the bridge pier 410 of the viaduct.

Here, the boom support beam is fixed to the bridge pier 410, which is equivalent to being fixed to a road surface, and in the overpass, the bridge pier 410 is fixed to the ground.

In this embodiment, the connection mode between the boom support beam and the bridge pier 410 is simply supported or fixedly connected. The left side of fig. 3 shows a simple support, and the right side of fig. 3 shows a fixed connection.

For easier understanding, two trolleys 20 are shown in fig. 4 and 5, which are to-and-fro.

In order to more clearly understand the present invention, the following describes the construction process of the rubber-tyred trolley road of the present embodiment:

the rubber-tyred trolley road of the embodiment can adopt a cantilever method, a swivel or a bracket cast-in-situ construction method.

Specifically, first, the above construction methods all complete the construction of pile foundation 430, then pouring bearing platform 420, and then constructing pier 410 by using the template. The following is the installation of the large span road structure, the installation sequence of the underlaying arch bridge is arch rib 321, cross brace 322, tie rod 330, suspender 310, cross beam 130 and longitudinal beam 140. Wherein the rib 321 is transported to the construction site for hoisting construction after the factory production is completed. And after the construction of the longitudinal beam 140 is completed, the friction rail 110 can be installed by utilizing the constructed longitudinal and transverse beam 130 system, and finally, the hanging rod force is adjusted and other accessory installation is completed.

In a word, the rubber-tyred trolley road of this embodiment, the holistic structural arrangement makes the large-span friction rail 110 compact structure, and the volume is less, makes its construction simple again simultaneously, and the structure is pleasing to the eye.

In describing embodiments of the present invention, unless otherwise indicated and limited thereto, the term "coupled" should be construed broadly, for example, as electrical connection, communication between two elements, direct connection, or indirect connection via an intermediary, and the specific meaning of the term will be understood by those skilled in the art based on the specific circumstances.

The term "first\second\third" in the embodiments of the present invention is merely to distinguish similar objects, and does not represent a specific order for the objects, it being understood that the "first\second\third" may interchange a specific order or sequence, where allowed.

It should be appreciated that reference throughout this specification to "one embodiment" or "some embodiments" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present invention. The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

The above description is not intended to limit the scope of the invention, but is intended to cover any modifications, equivalents, and improvements within the spirit and principles of the invention.

Claims

1. A rubber-tyred tram track, characterized in that the track comprises a guide rail and a supporting device for supporting the guide rail;

The guide rail comprises:

Friction rails that cooperate with the rubber wheels of the tram, the number of the friction rails being at least two and being parallel to each other;

A guide groove for guiding the running direction of the tram, the guide groove is located between two adjacent friction rails, the guide groove is formed by two adjacent friction rails separated by a preset distance, and the two inner walls of the guide groove are the side walls of the two adjacent friction rails;

A plurality of cross beams located below the friction rail, wherein a single cross beam is perpendicular to the extension direction of the friction rail, and the plurality of cross beams are evenly distributed along the extension direction of the friction rail;

Wherein, the supporting device includes a hanger and a hanger support beam whose two ends are fixed to the road surface, the lower end of the hanger is connected to the cross beam, and the upper end of the hanger is connected to the hanger support beam; the hanger support beam includes a tie rod, and the hanger support beam is connected to the road surface through the tie rod.

2. The rubber-tyred tram track according to claim 1 is characterized in that the guide rail further comprises a longitudinal beam, the longitudinal beam is perpendicular to the horizontal plane, the upper end of the longitudinal beam is fixed to the friction rail, and the lower end of the longitudinal beam is fixed in the cross beam.

3. The rubber-tyred tram track according to claim 2, characterized in that the friction rail is composed of steel profiles.

4. The rubber-tyred tram track according to claim 2, characterized in that the friction rail is made of steel and concrete.

5. The rubber-tyred tram track according to claim 1, characterized in that each of the cross beams is connected to two of the hangers, and the two hangers are respectively fixed at two ends of the cross beam.

6. The rubber-tyred tram track according to claim 5, characterized in that the hanger support beam is arched, and both ends of the arch are fixed to the road surface.

7. The rubber-tyred tram track according to claim 6 is characterized in that the hanger support beam includes two parallel arch ribs and a cross brace connecting the two arch ribs, and the distance between the two arch ribs is adapted to the length of the cross beam.

8. A rubber-tyred tram road, characterized in that the road comprises an elevated bridge and the rubber-tyred tram track according to any one of claims 1 to 7, the elevated bridge is made of reinforced concrete; the crossbeams of the rubber-tyred tram track are fixed to the bridge deck of the elevated bridge, and the hanger support beams of the rubber-tyred tram track are fixed to the piers of the elevated bridge.

9. The rubber-tyred tram road according to claim 8, characterized in that the connection between the hanger support beam and the bridge pier is simple support or fixed connection.