CN2579933Y

CN2579933Y - Plum blossom type stereo cross crossing

Info

Publication number: CN2579933Y
Application number: CN 02256784
Authority: CN
Inventors: 陈国兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-23
Filing date: 2002-09-23
Publication date: 2003-10-15
Anticipated expiration: 2012-09-23

Abstract

The utility model provides a plum blossom type stereo cross crossing. The utility model is provided with an upper and a lower layers, a straightgoing roadway in any direction of the utility model is provided with a left turning branch roadway and a right turning branch roadway which do not affect the straightgoing vehicles at the crossing, the certain proper position at which the left turning branch roadway is positioned after starts at the crossing point crossing the straightgoing roadway is connected with a straightgoing roadway in the other direction after the position clockwise and rightward rotates at 270 DEG, and the certain proper position at which the right turning branch roadway is positioned before starts at the crossing point crossing the straightgoing roadway is connected with a straightgoing roadway in the other direction after the position clockwise and rightward rotates at 90 DEG; any right turning roadway is positioned at the outer side of the adjacent left turning roadway. The stereo cross crossing can cause the vehicles which run along each direction to all pass through the crossing without obstacles.

Description

The blossom type flyover crossing

Technical field

The utility model relates to a kind of flyover crossing, particularly a kind of blossom type flyover crossing.

Background technology

Along with Chinese economic development, the various vehicles rapidly increase, and when satisfying people's demand, have also brought great pressure to urban highway traffic.The key of alleviating traffic pressure is to dredge wagon flow, and for this reason, traffic department has taked various measures.For example, adopt traditional signal to dredge mode,, successively pass through the crossing with the wagon flow of commander's different directions at each main intersection signalization lamp.Though this mode can make the crossing vehicle travel orderlyly, be unlikely to together congested, but because each time can only allow the wagon flow of a direction to travel, vehicle can not extend in all direction simultaneously at the crossing, the utilization rate of road has only about 50%, and the time that vehicle is waited at the crossing is also often longer.For alleviating traffic pressure better, flyover crossing has also further been built at many main traffic intersections in each city in recent years.Flyover crossing can make the wagon flow of each main travel direction be independent of each other, and can alleviate traffic pressure greatly.But still there are the following problems for existing flyover crossing: one, automobile is being passed by existing flyover crossing, when doing the turning of some direction, still have a small amount of vehicle to interlock and travel phenomenon (as the signal lamp under North 4th Ring Road, Beijing and the intersection, Xueyuan Road, the vehicle of all directions is interlocked under bridge), influence road speed; Two, existing overpass bridge is wanted closure construction usually when building, and simultaneously, all need detour through vehicle, makes nervous more with regard to obstructed traffic originally.Three, the whole site operation of the many usually employings of existing overpass bridge, engineering is huge, and is expensive expensive.Problems affect the further improvement of urban traffic conditions like this.

Summary of the invention

Technical problem underlying to be solved in the utility model is, a kind of new blossom type flyover crossing is provided, and makes the vehicle that travels along all directions all can pass the crossing without barrier.

For this reason, the utility model proposes a kind of new blossom type flyover crossing, have two-layer up and down, its either direction direct lane is equipped with at this place, crossing does not influence the left-hand bend of through vehicles by-path and right-hand bend by-path, described left-hand bend by-path originates in crosses residing certain appropriate location behind the direct lane crossover point, is connected in the other direction direct lane behind 270 degree of turning right clockwise; Described right-turn lane originates in preceding residing certain appropriate location of direct lane crossover point, and the right side turn 90 degrees and is connected in the other direction direct lane clockwise, and arbitrary right-turn lane is positioned at the adjacent outside, left turn lane.Scheme according to this, the vehicle that travels along all directions all can pass the crossing without barrier, has improved the traffic efficiency of flyover crossing greatly.

Less important technical problem to be solved in the utility model is, a kind of easy construction is provided, and is little to traffic impact, and lower-cost new blossom type flyover crossing.

For this reason, the utility model proposes, the direct lane that will be positioned at the upper strata is designed to a combined type Gang Qiao, it comprises bridge pier, bridge plate, crossbeam and guardrail, this Gang Qiao is a fabricated structure, be equipped with location structure between each individual member, each individual member is provided with corresponding fixed connection structure respectively at itself and other individual member place of linking.Compare with the conventional stereo intersection,, therefore can shorten the construction project cycle of flyover crossing greatly, save engineering cost, and reduce influence traffic because each individual member of described Gang Qiao can prefabricatedly be processed, split transportation, assembled on site.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is elaborated.

The utility model has five width of cloth accompanying drawings:

Schematic diagram when Fig. 1 is used for a crossroad for the utility model;

Schematic diagram when Fig. 2 is used for a T-shaped road junction for the utility model;

Fig. 3 is the assembled state schematic diagram of described Gang Qiao, and wherein guardrail is not installed as yet;

Fig. 4 is the structural representation of described Gang Qiao in assembled state;

Fig. 5 is a hilllock bridge circuit base schematic diagram.

The specific embodiment

Referring to Fig. 1, described crossing is a crossroad, this crossing has the direct lane 1,2 that goes in the same direction, and the direct lane 3,4 that goes in the same direction of the other direction that intersects at crossover point A with it, wherein direct lane 3,4 is positioned at the upper strata in scissors crossing place, and this part that is positioned at the upper strata is a combined type hilllock bridge 5.Each direct lane 1,2,3,4 is provided with left-hand bend by-path 12,22,32,42 and right-hand bend by-path 11,21,31,41 respectively at this place, crossing, described left-hand bend by-path originates in crosses direct lane crossover point A residing certain appropriate location afterwards, is connected in the other direction direct lane behind 270 degree of turning right clockwise; Described right-turn lane originates in preceding residing certain appropriate location of direct lane crossover point, is connected in the other direction direct lane after the right side turn 90 degrees clockwise.Said appropriate location is to decide according to designing requirement, is principle with the driving vehicle direct lane that sails described other direction into of turning right smoothly.Arbitrary right-turn lane is positioned at the outside of adjacent left turn lane.Said 270 degree and 90 degree are that square crossings are spent with 90 in the track of both direction; if; this intersecting angle is not vertical fully; the right-hand rotation angle of then described left-hand bend by-path and right-hand bend by-path also should be adjusted accordingly thereupon; but principle is identical, is the utility model content required for protection equally.

With direct lane 1 is example, for making at this place, crossing, arbitrary vehicle on this track all can make things convenient for freely, turn right or keep straight on, this direct lane 1 is respectively equipped with left turn lane 12, right-turn lane 11, wherein left turn lane 12 originates in vehicle and crosses residing certain appropriate location behind the crossover point A, is the arcuation 270 degree backs of turning right continuously then and connects direct lanes 3; Right-turn lane 11 originates in vehicle and arrives crossover point A residing certain appropriate location before, is the arcuation right side then and turn 90 degrees connection direct lane 4.With respect to crossover point A, this right-turn lane 11 is positioned at the outside of another left turn lane 42.

When the vehicle that travels on the direct lane 1 must turn left, turn right behind the crossover point A that must keep straight on earlier and sail left-hand bend by-path 12 into, sail other direction direct lane 3 into behind 270 degree of turning right continuously, realize; In the time of must reversing end for end, must sail left turn lane 32 into after once more by crossover point A, 270 degree of turning right continuously again sail direct lane 2 into, realize tune; The right-hand bend vehicle is expert at and just must sails right-hand bend by-path 11 into to intersection crossover point A, sails other direction direct lane 4 after the right side turn 90 degrees into, realizes turning right; Through vehicles need only continue to keep straight on and get final product by former direction.

The layout and the vehicle ' mode of the left and right turning by-path of all the other each direct lanes are identical with above-mentioned direct lane, are not giving unnecessary details.

Referring to Fig. 2, when the utility model was used for a T-shaped road junction, because the turning of some direction no longer needs, therefore, its corresponding left and right turning by-path just need not be provided with, and all the other are identical with Fig. 1.

Referring to Fig. 3, described hilllock bridge 5 comprises bridge pier, bridge plate, crossbeam and guardrail, and this Gang Qiao is a fabricated structure, is equipped with location structure between each individual member, and each individual member is provided with corresponding fixed connection structure respectively at itself and other individual member place of linking.Compare with the conventional stereo intersection,, therefore can shorten the engineering construction cycle of flyover crossing greatly, save engineering cost, and avoid influencing traffic because each individual member of described Gang Qiao can prefabricatedly be processed, split transportation, assembled on site.

Described location structure can be corresponding projection and a groove between each individual member, and described fixed connection structure can be the embedded iron of being located on each individual member, is welded to each other by embedded iron between each individual member to be linked together.

For example, Fig. 4 shows the bridge plate of Gang Qiao and the combination schematic diagram of bridge pier, and described bridge plate 51 two ends are respectively equipped with detent 512 and locating convex block 511, and to locate with the bridge plate that joins, described locating convex block 511 lower ends extend to form a convex extension part 513.Described bridge pier 52 is divided into two sections, epimere bridge pier 53 and crossbeam 54 prefabricated being structure as a whole, and its lower end and hypomere bridge pier 55 are combined.Crossbeam 54 is provided with groove 541, to cooperate the location with the convex extension part 513 of bridge plate 51.At each detent 41 place and bridge plate upper surface and guardrail junction be equipped with embedded iron 13.The appropriate position, edge of bridge plate is provided with embedded iron 514, to weld with adjacent individual member.

Fig. 5 is a hilllock bridge circuit base schematic diagram, when adopting hilllock described in the utility model bridge, before installation, requires strong processing is done on on-the-spot road surface, for example, the pouring steel concrete roadbed of digging pit in each bridge pier corresponding position.Can be respectively equipped with locating slot 7 with each bridge pier corresponding position on the roadbed, the initiating terminal corresponding section with the The initial segment bridge plate on the roadbed can be provided with boss 71.After the Gang Qiao combination finishes, only need require, after the road surface pavement of bridge plate surface, can come into operation as ordinary road.

Claims

1, a kind of blossom type flyover crossing, have two-layer up and down, it is characterized in that: the either direction direct lane is equipped with at this place, crossing does not influence the left-hand bend of through vehicles by-path and right-hand bend by-path, described left-hand bend by-path originates in crosses residing certain appropriate location behind the direct lane crossover point, is connected in the other direction direct lane behind 270 degree of turning right clockwise; Described right-turn lane originates in certain appropriate location before the direct lane crossover point, is connected in the other direction direct lane after the right side turn 90 degrees clockwise, and arbitrary right-turn lane is positioned at the outside of adjacent left turn lane.

2, blossom type flyover crossing according to claim 1, it is characterized in that: described left turn lane and right-turn lane are curved.

3, blossom type intersection according to claim 1, it is characterized in that: the direct lane that is positioned at the upper strata is a combined type Gang Qiao, comprise bridge pier, bridge plate, crossbeam and guardrail, it is a fabricated structure, be equipped with location structure between each individual member, each individual member is provided with corresponding fixed connection structure respectively at itself and other individual member place of linking.