CN213836268U

CN213836268U - Bridge structure for cable pavement of tramcar

Info

Publication number: CN213836268U
Application number: CN202022625790.6U
Authority: CN
Inventors: 刘洋
Original assignee: China Science Hunan Advanced Rail Transit Research Institute Co ltd
Current assignee: China Science Hunan Advanced Rail Transit Research Institute Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-30
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a bridge structure for tramcar cable pavement, including bridge span structure, pier, abutment, rail bearing platform, tramcar track, founding mound, crossbeam and electric power trench, the both sides of the bridge floor of bridge span structure are provided with forceful electric power cable channel and light current cable channel respectively, set up many rail bearing platforms on the bridge floor of bridge span structure, install a tramcar track on each rail bearing platform respectively; the vertical pier is of a hollow structure and is connected with the bridge pier through a plurality of cross beams, the vertical pier and the bridge pier are connected through the same bridge abutment, and a cable inlet and a cable outlet are formed in the vertical pier; the electric power trench is arranged on the foundation, and the number of the electric power trench is two, and the electric power trench is used for laying a strong current cable and a weak current cable. The utility model discloses a set up hollow structure's mound of founding, in the forceful electric power cable and the weak current cable accessible of letting in the electric power trench on the ground found the mound and reach the forceful electric power cable channel and the weak current cable channel of bridge span structure to for tram power supply and satisfy the user demand of the consumer on the bridge.

Description

Bridge structure for cable pavement of tramcar

Technical Field

The utility model belongs to the bridge field, more specifically relates to a bridge construction for tram cable pavement.

Background

Trams are light rail transit vehicles that are electrically driven and travel on rails. The tramcar is a public transport means, also called road tramcar, short for tramcar, belongs to a kind of light railway, and the tramcar generally does not exceed five sections, and its density of existing bus station also can have the special track of train, has guaranteed certain freight volume simultaneously again to rationally avoid in the place that probably hinders pedestrian's traffic, safe, environmental protection, operation cost are low mainly. The electricity consumption is cheaper than oil burning, and the maintenance of the vehicle is simpler than that of the automobile. Although the vehicle purchase cost is high, the service life is far longer than that of a bus. Compared with a pure electric bus using batteries, the electric bus saves expensive battery cost, does not need to build a charging station, and has the advantages of good acceleration and deceleration performance, good climbing performance and the like.

When the energy storage type tramcar runs in a city, the tramcar needs to be bridged in some sections, so that the cable also needs to be bridged to meet the power supply requirement.

At present, a conventional method for putting cables on a bridge is to build a steel frame structure with the appearance similar to that of a bridge pier at a certain position between two bridge piers of the bridge and use the steel frame structure as a bearing body to finish the putting of the cables on the bridge. Because the bridge floor is wider in the overhead area, the two sides of the steel frame are respectively longer in overhanging, the steel frame structure needs to meet the requirements of strength, rigidity and stability, the size is often huge, and the foundation of the steel frame structure often selects an independent foundation, sometimes even the pile foundation needs to be adopted to meet the requirements of bearing capacity and settlement calculation, so that the construction difficulty is high, and the construction period is long.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve the demand, the utility model provides a bridge construction for tram cable laying, its stand mound through setting up hollow structure lets in forceful electric power cable and the light current cable in the power duct on the ground can reach the forceful electric power cable channel and the light current cable channel of bridge span structure through standing the mound to for tram power supply and satisfy the user demand of the consumer on the bridge.

To achieve the above object, according to one aspect of the present invention, there is provided a bridge structure for tram cable pavement, comprising a bridge span structure, piers, abutments, rail-bearing platforms, tram rails, piers, beams, and power ducts, the piers being supported by the abutments, the bridge span structure being supported by the piers, wherein,

bridge railings are respectively arranged on two sides of the bridge span structure, a strong current cable channel and a weak current cable channel are respectively arranged on two sides of a bridge floor of the bridge span structure, and the strong current cable channel and the weak current cable channel are located between the two bridge railings;

a plurality of rail bearing platforms are arranged on the bridge deck of the bridge span structure, each rail bearing platform is provided with one tramcar track, and the tramcar tracks are positioned between a strong current cable channel and a weak current cable channel;

the two vertical piers are respectively positioned on two sides of one pier and are used as vertical pier fixing piers;

each vertical pier is of a hollow structure and is connected with a vertical pier fixing pier through a plurality of cross beams, the vertical piers and the vertical pier fixing pier are connected through the same abutment, and the lower end and the upper end of each vertical pier are respectively provided with a cable inlet and a cable outlet;

the electric power pipe ditches are arranged on the foundation, and the number of the electric power pipe ditches is two, and the electric power pipe ditches are respectively used for laying strong current cables and weak current cables.

Preferably, planting soil is arranged on the bridge span structure, and turf is planted on the planting soil.

Preferably, the side wall of the vertical pier is provided with a protective door.

Preferably, an embedded part for fixing the cable is arranged on the inner wall of the vertical pier.

Preferably, the power pipe trench is spliced by a plurality of prefabricated channels.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect: the utility model discloses a establish a hollow structure's mound immediately again by original pier of bridge to both accept through same abutment, utilize original pier to link up newly-built mound and original cushion cap and accept newly-built mound immediately, it can carry out the pouring construction at the scene to found the mound, and is convenient for construction, and can also consolidate the bridge, forceful electric power cable and light current cable in the electric power duct on the ground can reach in the forceful electric power cable passageway and the light current cable passageway of bridge span structure through founding the mound, thereby for tram power supply and satisfy the user demand of the consumer on the bridge.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, a bridge structure for cable laying of a tramcar, which is an energy storage tramcar and needs to be charged during operation, comprises a bridge span structure 1, bridge piers 2, bridge abutments 3, rail bearing platforms 4, tramcar tracks 5, vertical piers 6, cross beams 7 and power pipe ditches 8, wherein the bridge abutments 3 are supported by piles in a foundation 9, the bridge piers 2 are supported by the bridge abutments 3, the bridge span structure 1 is supported by the bridge piers 2, wherein,

the bridge structure comprises a bridge structure 1 and is characterized in that bridge railings 10 are arranged on two sides of the bridge structure 1 respectively and used for playing a protection role, a strong current cable channel 11 and a weak current cable channel 12 are arranged on two sides of a bridge deck of the bridge structure 1 respectively and used for installing a strong current cable and a weak current cable respectively, the charging requirement of the energy storage type tramcar and the requirement of electric equipment on a bridge can be met, and the strong current cable channel 11 and the weak current cable channel 12 are located between the two bridge railings 10.

A plurality of rail bearing platforms 4 are arranged on the bridge deck of the bridge span structure 1, one tramcar track 5 is respectively installed on each rail bearing platform 4, and the tramcar tracks 5 are located between a strong current cable channel 11 and a weak current cable channel 12; the number of tramcar tracks 5 on the bridge can meet the single-line or double-line operation requirements.

The two vertical piers 6 are arranged and are respectively positioned at two sides of one pier 2, and the pier 2 is used as a vertical pier fixing pier;

each vertical pier 6 is of a hollow structure so that cables can be conveniently routed inside the vertical pier 6, and is connected with a vertical pier fixing pier through a plurality of cross beams 7 so as to ensure the connection strength with the vertical pier fixing pier, the vertical pier 6 and the vertical pier fixing pier are connected through the same abutment 3, so that the vertical pier 6, the pier 2 and the abutment 3 are connected into a whole so as to ensure the stability of the vertical pier 6, and the lower end and the upper end of the vertical pier 6 are respectively provided with a cable inlet and a cable outlet so that the cables can enter and exit the vertical pier; preferably, embedded parts for fixing cables are arranged on the inner walls of the vertical piers 6.

The electric power pipe ditches 8 are arranged on the foundation 9, are two in number and are respectively used for laying strong current cables and weak current cables.

Furthermore, planting soil is arranged on the bridge span structure 1, and turf is planted on the planting soil so as to improve the utilization rate of the bridge deck of the bridge and strengthen the landscape of the bridge deck of the bridge

Further, the side wall of the vertical pier is provided with a protective door 13, so that an inspector can enter the vertical pier 6 from the protective door 13 to overhaul the cable, and the protective door 13 can also prevent small animals from entering the vertical pier 6 to damage the cable at ordinary times.

Further, the electric power pipe ditch 8 is formed by splicing a plurality of prefabricated channels, so that prefabrication can be performed in advance, and the construction period is effectively shortened.

The utility model discloses a through the mound 6 that stands of cast in situ formation hollow structure on the original structure of bridge, can let forceful electric power cable and the light current cable in the electric power trench 8 on the ground 9 bridge to can realize tram's charging.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A bridge structure for cable pavement of a tramcar is characterized by comprising a bridge span structure (1), bridge piers (2), bridge abutments (3), rail bearing platforms (4), tramcar tracks (5), vertical piers (6), cross beams (7) and power pipe ditches (8), wherein the bridge piers (2) are supported by the bridge abutments (3), the bridge span structure (1) is supported by the bridge piers (2),

bridge railings (10) are respectively arranged on two sides of the bridge span structure (1), a strong current cable channel (11) and a weak current cable channel (12) are respectively arranged on two sides of a bridge floor of the bridge span structure (1), and the strong current cable channel (11) and the weak current cable channel (12) are located between the two bridge railings (10);

a plurality of rail bearing platforms (4) are arranged on the bridge deck of the bridge span structure (1), one tramcar track (5) is respectively installed on each rail bearing platform (4), and the tramcar tracks (5) are located between a strong current cable channel (11) and a weak current cable channel (12);

the two vertical piers (6) are arranged and are respectively positioned on two sides of one pier (2), and the pier (2) is used as the vertical pier (6) to fix the pier;

each vertical pier (6) is of a hollow structure and is connected with a fixed pier of the vertical pier (6) through a plurality of cross beams (7), the vertical pier (6) and the fixed pier of the vertical pier (6) are connected through the same abutment (3), and the lower end and the upper end of the vertical pier (6) are respectively provided with a cable inlet and a cable outlet;

the electric power pipe ditches (8) are arranged on the foundation (9), are two in number and are respectively used for laying strong current cables and weak current cables.

2. The bridge structure for tram cable laying according to claim 1, characterized in that said bridge span structure (1) is provided with planting soil on which turf is planted.

3. A bridge construction for tram cable laying according to claim 1, characterised in that the side walls of the piers are provided with guard doors (13).

4. The bridge structure for tramcar cable laying according to claim 1, characterized in that the inner walls of the piers (6) are provided with embedded parts for fixing cables.

5. A bridge construction for tram cable laying according to claim 1, characterised in that the power trench (8) is spliced from a plurality of prefabricated channels.