CN1265988A

CN1265988A - Method for motor vehicle directly turning left in adavnce and facilities

Info

Publication number: CN1265988A
Application number: CN 00107291
Authority: CN
Inventors: 王运
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-09
Filing date: 2000-05-09
Publication date: 2000-09-13

Abstract

The present invention discloses a method for making motor-driven vehicle directly left-turn in advance and its installation, applicable to intersection which is not suitable for building whole overpass. It is characterized by that it adopts the mode of that the outside main lane of running direction is passed through the approach and gone in and gone outflyover or uderpass, and features no liming left-turn, raising traffic-carrying capacity of intersection and reducing vehicle occupatin road time and distance. The change of running directionis applicable to the rule of running along left side of road. The flyover adopts three-curved surface arched structure. The geographical environment of intersection only possesses the condition of right-turn in advance, said invention can be basically implemented.

Description

The method of motor vehicle directly turning left in adavnce and facility

The present invention relates to passing method and the facility of a kind of power actuated vehicle, especially relate to a kind of power actuated vehicle directly carries out turnon left in advance at four corners method and facility at the crossing.

Full-overpass bridge extends in all direction arteries of communication, but it also is subjected to the restriction of conditions such as geographical environment.Do not having conditioned disjunction need not set up under the situation of full-overpass bridge, power actuated vehicle is the one of the main reasons that influences junction machine motor vehicle carrying capacity at the turnon left of four corners.Carry out in the process of turnon left at power actuated vehicle, not only inboard A-road is taken for a long time by it, but also will influence the craspedodrome of opposite vehicle.Present solution is that turnon left is carried out all or part of restriction, and this method has more significantly effect to the vehicle carrying capacity that improves the crossing, but also exists not enough: the one, and influenced vehicle and arrived the destination with the shortest route.The 2nd, increased time and distance that vehicle takies road.

The objective of the invention is to overcome above-mentioned deficiency, provide a kind of under the situation that should not set up full-overpass bridge, power actuated vehicle can directly carry out the method for turnon left at four corners, to improve the carrying capacity of four corners power actuated vehicle.The present invention also aims to provide the facility of this method of realization.

For achieving the above object, technical scheme of the present invention is as follows: to having the improvement of right-hand corner in advance that has implemented at the part crossing now, do further to improve, be that reversing sense is being set up left turn lane in advance before the right-turn lane in advance again, foundation thereon is used for the overpass 1 or the underground passage way 2 of turnon left.Overpass 1 adopts the arch configuration of being looked squarely and overlooked three curved surfaces that constitute by the front.Served as street overline bridge 1 span hour, supported with the column on the four corners diagonal line 4; Served as street overline bridge 1 span when big, increased support post at the center of four corners.When power actuated vehicle passes through overpass 1 or underground passage way 2, all it is taked the measure of speed limit and range line.Tee T crossing or be equivalent to the tee T crossing, above-mentioned similar approach also can be adopted in the multichannel crossing little as some directional flow, change two-way lane into unidirectional track and get final product.The travel direction 6 of vehicle changed in the opposite direction travel, can adapt to the rule of part country power actuated vehicle along the road left driving.The step of this method is: power actuated vehicle sails outside A-road earlier in the process of turnon left, 3 enter overpass 1 or underground passage way 2 through leading the way then, 3 enters outside A-road by the right side through leading the way again after rolling away from.

The present invention compares with the method for existing power actuated vehicle turnon left or restriction turnon left, has to shift to an earlier date the characteristics that the operating range that directly carries out turnon left, the utilization ratio that improves inboard A-road, turnon left limits the power actuated vehicle turnon left not as good as full-overpass bridge one half-sum cancellation.The geographical environmental condition of overpass 1 and 2 pairs of four cornerss of underground passage way requires lower, as long as possess the condition of right-hand corner in advance, just can satisfy the implementation condition of this method substantially.This method has remedied the part deficiency of the four corners that should not set up full-overpass bridge.

The present invention is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the side schematic top plan view that the dual three-lane carriageway cross roads shifts to an earlier date the turnon left composite channel.

Fig. 2 is the positive schematic top plan view that the dual three-lane carriageway cross roads shifts to an earlier date the turnon left composite channel.

Fig. 3 is the positive schematic top plan view that the dual three-lane carriageway cross roads shifts to an earlier date the turnon left underground passage way.

Fig. 4 is the positive schematic top plan view that the dual three-lane carriageway cross roads shifts to an earlier date the turnon left overpass.

Fig. 5 is the positive schematic top plan view that the T-shaped road junction, dual three-lane carriageway shifts to an earlier date the turnon left composite channel.

Fig. 6 is the positive schematic top plan view that the cross roads of left driving rule shifts to an earlier date the right-hand corner composite channel

Embodiment one: full-overpass turnon left composite channel in advance.Composite channel comprises two-way one-lane overpass 1, underground passage way 2 and leads the way 3, as shown in Figure 1 and Figure 2.Overpass 1 adopts the arch configuration of three curved surfaces, when its span is big, increases support post at the center of four corners.Transparent canopy cover 5 in the road surface begins the descending distance concordant with the road surface to the top of underground passage way 1, is equipped with in the place, gangway of underground passage way 2.The limit bank of passage is an arc, and the road surface has high friction coefficient.The range line facility is the road surface cyclic permulation successively of three looks, and at synchronization, back car must keep two aberration ground-surface spacings to travel with front truck.Power actuated vehicle sails outside A-road earlier in shifting to an earlier date the process of turnon left, 3 enter overpass 1 or underground passage way 2 through leading the way then, 3 enters outside A-road by the right side through leading the way again after rolling away from.The characteristics of this embodiment are not to be subjected to when power actuated vehicle shifts to an earlier date turnon left the restriction of time.

Embodiment two: the turnon left underground passage way in advance of level crossing.As shown in Figure 3.The difference of this embodiment and embodiment one is: the one, and the turnon left in advance of four direction is all implemented by underground passage way 2.The 2nd, the point of crossing at underground passage way 2 centers is provided with the signal indication of vehicle pass-through.The characteristics of this embodiment are that the turnon left passage is not subjected to the restriction of meteorological conditions, and it is many to be fit to current vehicle, and load capacity is strong, are suitable in the construction on large-scale enlarging in existing crossing and new road and implement.

Embodiment three: the turnon left underground passage way in advance of correct direction.As shown in Figure 3, remove the turnon left underground passage way 12 of certain correct direction.The difference of this embodiment and embodiment two is: the turnon left of correct direction is implemented by underground passage way 2, has avoided the intersection at underground passage way 2 centers, is suitable at the fewer crossing of some correct direction flow motors and implements.

Embodiment four: the turnon left overpass in advance of level crossing.As shown in Figure 4.The difference of this embodiment and embodiment one is: the one, and the turnon left in advance of four direction is all implemented by overpass 1.The 2nd, the point of crossing at overpass 1 center is provided with the signal indication of vehicle pass-through.The characteristics of this embodiment are that the turnon left passage is not subjected to the restriction of underground condition, are suitable in reconstruct on a small scale at existing crossing and implement.

Embodiment five: the turnon left overpass in advance of correct direction.As shown in Figure 4, remove the turnon left overpass 1 of certain correct direction.The difference of this embodiment and embodiment three is; The turnon left of correct direction is implemented by overpass 1, has avoided the intersection at overpass 1 center, is suitable at the fewer crossing of some correct direction flow motors and implements.

Embodiment six: the T-shaped road junction shifts to an earlier date the turnon left composite channel.As shown in Figure 5.The difference of this embodiment and the foregoing description is; Changing duplex channel into one way channel gets final product.This embodiment can cancel the signal lamp device at crossing, realizes that power actuated vehicle does not have crisscross traffic.

Embodiment seven; The right-hand corner passage in advance of road left driving.As shown in Figure 6.The difference of this embodiment and the foregoing description is: above-mentioned vehicle heading 6 is changed into travelling in the opposite direction get final product, to adapt to the rule of part country power actuated vehicle along the road left driving.

Improvement of the present invention: the use object of overpass 1 is defined as accounts for the middle-size and small-size power actuated vehicle of urban highway flow more than ninety percent, add the measure of speed limit and range line after, can suitably reduce the intensity of overpass 1 and the requirement of access bridge slope.A full-sized bus ratio is less, still at the preferential turnon left in former road surface.The use object of underground passage way 2 is defined as all the other various power actuated vehicles that do not contain special type, also takes the measure of speed limit and range line.

To further improvement of the present invention: be conceived to control of traffic and road in a big way, each crossing takes various forms the combination of turnon left in advance, as previous crossing the turnon left passage in advance of certain direction is set, a back crossing is provided with the turnon left passage in advance of another direction.Except that the two-way single way that the foregoing description is pointed out, also comprise the permutation and combination of different numbers of channels and direction quantity.

Claims

1, a kind of power actuated vehicle shifts to an earlier date the method for turnon left, diagonal at four corners is provided with overpass (1) or underground passage way (2) earlier, and extend to the import and export of overpass (1) or underground passage way (2) through lead the way (3) on the right side of each road travel direction outside A-road, it is characterized in that: power actuated vehicle carries out in advance at the turnon left at crossing, its step is as follows: power actuated vehicle is in the process of turnon left, sail outside A-road earlier into, enter overpass (1) or underground passage way (2) through lead the way (3) then, enter outside A-road through lead the way (3) by the right side again after rolling away from.

2, power actuated vehicle according to claim 1 shifts to an earlier date the method for turnon left, turnon left in advance wherein is for the rule of travelling on the road right side, it is characterized in that: for the rule in the road left driving, only need change above-mentioned travel direction (6) to travel in the opposite direction into and get final product.

3, power actuated vehicle according to claim 1 shifts to an earlier date the method for turnon left, and overpass wherein (1) or underground passage way (2) are two-way single way, it is characterized in that: overpass (1) adopts the arch configuration of three songs.

4, power actuated vehicle according to claim 1 shifts to an earlier date the method for turnon left, overpass wherein (1) or underground passage way (2) can adopt multi-form combination, it is characterized in that: array configuration is determined according to the geography and the meteorological conditions of four corners, as overpass (1) and underground passage way (2), overpass (1) and overpass (1) and underground passage way (2) and underground passage way (2).

5, power actuated vehicle according to claim 1 shifts to an earlier date the method for turnon left, overpass wherein (1) or underground passage way (2) also are suitable for the crossing that is equivalent to tee T, it is characterized in that: can adopt the multi-form combination of unidirectional one-lane overpass (1) or underground passage way (2).