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Straight bridge with changeable paths type crossroads

An overpass and lane-changing technology, which is applied to roads, roads, buildings, etc., can solve the problems of hidden dangers and safety hazards in the safe driving of vehicles

Inactive Publication Date: 2003-10-01
张宁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

What adopted on the lane change measure is the S-shaped bridge, though several overpass bridges using the lane-changing mechanism design announced in CN1215112, CN1164597, CN1105084, CN1135554 are all very creative, but all of them adopt the S-shaped bridge. There are hidden dangers in the safe driving of vehic

Method used

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  • Straight bridge with changeable paths type crossroads
  • Straight bridge with changeable paths type crossroads
  • Straight bridge with changeable paths type crossroads

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0017] Referring to Fig. 1, 2, 5, two straight bridge lane-changing bridges 7 and 8 starting points are arranged on the longitudinal roads intersecting at the intersection, and the starting points are positioned at the respective forward road inboards at the crossing, and the center 16, 17 to the end point and the left-turn bridge 5 1 / 2 of the length of the downhill slope of 6 and 6 are connected as a whole, and the end points end at the inner sides of the respective reverse roads at the far intersection; The starting points of 14 and 15 are located on the inner sides of the respective forward roads at the far intersections. After crossing the two bridges and paralleling the center 16 and 17, the end point of the lane change ends at the middle road of the respective reverse roads at the near intersection; the graben intersects with 16 and 17 at the center It is the passing height of the road; but the height of the bridge and the depth of the graben are not limited to 1 / 2 of eac...

Embodiment 2

[0026] see image 3 , 4. Two straight bridge lane-changing bridges 7 and 8 are arranged on the longitudinal road intersected by cross roads. Swing bridge 5,6 conjoined, longitudinal road forward lane left-turn vehicle passes through straight bridge lane-changing bridge 7,8 center from ground road up and down and enters the inner side of respectively reverse lane and implements lane change. From image 3 As can be seen from the comparison of Fig. 2, the difference between the present embodiment and embodiment 1 is that the straight bridge lane change bridge 7,8 is a viaduct, it is not conjoined with the left turn bridge 5,6, and 1 / 2 passes through the height Road cutting 14,15 is therefore canceled, and all the other structures and vehicle flow direction all arrive with embodiment 1, so not tiresome state.

Embodiment 3

[0028] Referring to Fig. 6, the straight bridge lane change method of the straight bridge lane change overpass is also applicable to the underground single-layer traffic network system. In this embodiment, there is no structure above the ground level, and two straight roads are arranged on the longitudinal roads of the crossing roads. The underpass tunnels 7 and 8 that change lanes have their starting points located on the inner sides of the respective forward lanes at the near intersections, and the end points end at the inner sides of the respective reverse lanes at the far intersections, and the original bridges 1, 2, 3, 4, 5, and 6 on the transverse roads , 9 are replaced by the underpass type tunnel, and the underground single-layer full intercommunication overpass formed by bridges 20, 21, 22, 23, 24 on the ground at the vehicle interchange is connected to the two banks of the tunnel. The present embodiment layout structure is completely consistent with embodiment 2, and ...

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Abstract

A gallop bridge of lane-changeable straight bridge type is composed of two longitudinal low-height lane-changeable straight bridges, two low-height grabens, the transverse dual-lane crossed bridge, 4approach bridges, and two turn left bridge. Its advantages are high speed and safety of vehicles, simple structure and less possesses ground.

Description

technical field [0001] The invention relates to an overpass, in particular to a straight bridge lane-changing overpass. Background technique [0002] When the vehicle in the road is traveling on the left, it will form an intersection with the opposite lane (and vice versa in countries where the vehicle is traveling on the left). This is impassable unless an overpass is used. The lane-changing overpass changes the position of the forward lane and the reverse lane in the road through the lane-changing bridge, so that the vehicle is falsely occupying the reverse lane; after completing its running direction, it returns to the normal state by changing lanes again. By changing lanes, the lanes that originally intersected with it become disjoint, so that one lane can bear the vehicles of other lanes that merge in and out in the same direction; the utilization rate of the road is improved. The problems that can only be solved by three-dimensional intersection are transformed into p...

Claims

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Application Information

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IPC IPC(8): E01C1/04
Inventor 张宁
Owner 张宁
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