Two-wire pantograph formula trackless trolley car trolley pole
Technical field
What the present invention relates to is a kind of trolley pole of trackless trolley car, and particularly a kind of two-wire pantograph formula trackless trolley car trolley pole belongs to the urban public transport field.
Background technology
The trackless trolley car that is used for the urban public transport transportation at present, low, the no exhaust emission of noise, starting and the fast characteristics of going up a slope are arranged, but because the existence of its built on stilts power supply contact gauze and roof trolley pole and current collection crawler shoe, make electric car can't surmount electric car, travel in as the current collection crawler shoe takes place jumps out of the view that the lead accident easily causes traffic tie-up and influences the sky, street, city; Adopt large-capacity battery or cond accumulation of energy, stopping the station area charging type trackless trolley car of fast charge can the built on stilts power supply contact of most of cancellation gauze, only retain one section special-purpose contact system of charging in the station district, but the such structure of trolley pole and groove shape current collection crawler shoe makes trackless trolley car will realize its automatic lifting and automatically line is networked very difficult reliably in the process that at every turn pulls in again, find by literature search, China Patent No. is: 00254334.6, name is called: the omnidistance alignment device of trackless trolley car, the utility model patent readme is for " alignment device that uses on a kind of trackless trolley car; compare with traditional alignment device, this device have the accuracy height; can be to line in through running; low cost and other advantages.This device by a cover that is installed at trolley pole top by two groups of lambda lines, go into the boots guide rod and form and have the triangle Wedge device of four groups of axles, Electric Cord device, have the collector shoe reset attachment of retracing spring and the lambda line extension spring that is installed between the current collection pole socket is formed." though this utility model can be used for trackless trolley car through running trolley pole automatic lifting collector shoe line is networked, its cover that is installed at trolley pole top by two groups of lambda lines, go into the collector shoe reset attachment complex structure weight increase that the boots guide rod is formed and had the triangle Wedge device of four groups of axles, Electric Cord device, has retracing spring; And it is the same to line networking condition with the controlled jacking system of the trackless trolley car trolley pole of other type, trackless trolley car must travel on built on stilts power supply contact gauze under, be slightly offset and network to line, depart from slightly for a long time, if the lead that the trackless trolley car trolley pole rises the built on stilts power supply contact in back gauze not at the alignment device lambda line, go in the boots guide rod scope and still can't network, unless huge lambda line is set, go into the boots guide rod line; Lambda line in this utility model, go into boots guide rod and collector shoe structure and itself still make trackless trolley car be subjected to the constraint that built on stilts power supply contacts gauze, so such The Application of Technology scope is very limited.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of two-wire pantograph formula trackless trolley car trolley pole is provided, so that being arranged, long bow top separates pantograph or collector bow structure that slide plate and insulation measures can double-circuit be flowed simultaneously, substitute the current collection crawler shoe of prior art or be installed at the alignment device and the collector shoe structure on trolley pole top, make trackless trolley car can under the situation that departs from the big position of gauze, travel in the controlled lifting of trolley pole, the pantograph on its top networks to line automatically, eliminate built on stilts power supply contact gauze, alignment device and collector shoe structure be to the constraint of electric car, satisfies the station area charging type trackless trolley car liter bow that enters the station and network and flowed fast charge, requirement of falling bow leaving from station.
The present invention is achieved by the following technical solutions, the present invention includes: underframe, trolley pole, liter bow spring, trammel beam, bow seat cross bar, cylinder, bow top cross bar, bow top conduction slide plate, bench insulator, insulation rod, collector head spring, travel switch; Underframe, trolley pole, trammel beam, constituted parallelogram linkage between the bow seat cross bar, bow top conduction slide plate forms two electric bodies that are subjected at the middle part by the insulation rod partition, and be fixed on the cross bar of bow top by bench insulator supporting, bow top cross bar and bow seat cross bar flexibly connect at the middle part, two ends connect by collector head spring, bow top cross bar can be swung together with the top of the bow on it conduction slide plate just to float, the lower end of cylinder and underframe flexibly connect, the piston rod mouth of cylinder and the lower end of trolley pole flexibly connect, rise the bow spring and be separately fixed on underframe and the trolley pole for the extension spring two ends, travel switch is fixed on the cylindrical shell of cylinder; When cylinder promotes the trolley pole swing, whole trolley pole mechanism's holder flat bow headstock cross bar and the conduction slide plate lifting of bow top, after the bow on trolley pole top pushes up the rise of conduction slide plate, under liter tension of bow spring, keep the rise state and make it and the lead of contact system maintenance closed contact.
The present invention has substantive distinguishing features and marked improvement, bottom shaft and electric locomotive with existing trackless trolley car trolley pole, the top bow of the collector bow that city railway vehicle is used partly combines, become the pantograph formula trolley pole that has than longbow top conduction slide plate, be used the trackless trolley car station district of the having widened the double-contact wires line-spacing special-purpose contact system that charges, make the bow of trolley pole flowed part travel under the low speed in the certain road scope in station district with trackless trolley car in automatic lifting line network conveniently do not have constraint, rise automatically to the line demanding problem that networks thereby solved the trolley pole of prior art and alignment device; Because the bow top conduction slide plate of the collector bow that bow top conduction slide plate is more used than electric locomotive and city railway vehicle is longer, and bow top conduction slide plate cuts off insulation in the middle part split becomes two electric bodies that are subjected to, therefore overcome the technical limitation that the pantograph, collector bow of electric locomotive and city railway vehicle can only single line be flowed, two-wire pantograph formula trolley pole can contact two-conductor line, and double-circuit is flowed simultaneously; Trolley pole of the present invention is shorter, and the integral structure Simple Member is few, in light weight, and bow is subjected to not have constraint again between stream part and the gauze, and therefore frequent liter bow networking fault is few; Bow top cross bar can swing together with the top of the bow on it conduction slide plate and just float, cooperate the structure that rises the bow spring, the double-contact wires that can adapt to gauze exists diff-H, road surface and vehicle-mounted variation and wind to carry under the situation, and bow also can keep contacting closely with net; Use trackless trolley car of the present invention only when pulling in, to rise the bow charging that networks, need not built on stilts power supply contact gauze after leaving from station also can travel, therefore not only greatly increased flexible property, and can most ofly remove built on stilts power supply contact gauze.The present invention have vehicle gauze constraint less, the bow net contact performance is good, flowed that firm power is big, safe and reliable, the characteristics of the net that can network out under steam, is applicable to station area charging type trackless trolley car, as the current-collecting device of its roof.
Description of drawings
Fig. 1 front elevation of the present invention;
Fig. 2 left view of the present invention;
Fig. 3 birds-eye view of the present invention;
Fig. 4 plane mechanism kinematic sketch of the present invention;
Fig. 5 parallel many slide plates form pantograph formula trolley pole front elevation of the present invention.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes: underframe 1, trolley pole 2, liter bow spring 3 also comprise: slide plate 8, bench insulator 9, insulation rod 10, collector head spring 11, travel switch 12 conduct electricity for trammel beam 4, bow seat cross bar 5, cylinder 6, bow top cross bar 7, bow top; The lower end of trolley pole 2 and trammel beam 4 all flexibly connects with underframe 1, the upper end of trolley pole 2 and trammel beam 4 all flexibly connects with bow seat cross bar 5, it is halved body that bow top conduction slide plate 8 is cut off by several insulation rods 10 at the middle part, halved body bow top conduction slide plate 8 is fixed on the bow top cross bar 7 by several bench insulator 9 supportings separately, bow top cross bar 7 flexibly connects at the middle part with bow seat cross bar 5, two ends connect by collector head spring 11, bow top cross bar 7 can be swung together with the top of the bow on it conduction slide plate 8 just to float, the lower end of cylinder 6 and underframe 1 flexibly connect, the piston rod mouth of cylinder 6 and the lower end of trolley pole 2 flexibly connect, rise bow spring 3 and be separately fixed on underframe 1 and the trolley pole 2 for the extension spring two ends, travel switch 12 is fixed on the cylindrical shell of cylinder 6.
As shown in Figure 1 and Figure 4, constituted parallelogram linkage between underframe 1, trolley pole 2, trammel beam 4, the bow seat cross bar 5 four; And when rising 2 swings of bow cylinder 6 promotion trolley poles, can hold in the palm flat bow headstock cross bar 5 and conduction slide plate 8 liftings of bow top; After bow pushes up 8 rises of conduction slide plate, under liter tension of bow spring 3, keep the rise state and make it and the lead of contact system maintenance closed contact.
As shown in Figure 5, the present invention also can be the version of parallel many slide plates, be with certain interval several parallel bow top conduction slide plates 8 to be set on the bow seat cross bar 5, it is halved body that each bar bow top conduction slide plate 8 is all cut off by several insulation rods 10 at the middle part, the bow top conduction slide plate 8 cable parallel connection of the same side same polarity, can increase the area of contact of bow net like this, and improve the bow net contact performance and flowed power.
As Fig. 2, Fig. 3 and shown in Figure 5, the bow top conduction slide plate of the collector bow that bow of the present invention top conduction slide plate 8 is more used than electric locomotive and city railway vehicle is longer, and bow top conduction slide plate 8 is the middle part split and cuts off the insulation structure, can be flowed simultaneously by electric body thereby form the two of mutual insulating, that is two-wire is subjected to the electric forming current return; Several insulation rods 10 cross sections at partition place, conduction slide plate 8 halved bodies middle part, bow top are circular, profile is the gradually low arc-shaped transition in high two ends, middle part, like this rainy day should the place can ponding, can guarantee that the conduction slide plate 8 halved bodies insulation of bow top is good, make again collector bow network the back just in case certain root lead herein the position lead can not fall into by insulation rod 10 supports in the middle of the halved body of bow top conduction slide plate 8, lead is also without hindrance with the relative laterally slip between the insulation rod 10; Cut off the length of the bow top conduction slide plate 8 after insulating all less than the distance between the contact system two-conductor line by split, thereby guarantee that bow top conduction slide plate 8 can not contact two-conductor line simultaneously and cause short circuit, can guarantee also that under the not positive situation of vehicle location the several piece of the same side same polarity of parallel many skateboards form bow top conduction slide plate 8 can not contact two-conductor line simultaneously and cause short circuit.
As shown in Figure 1, travel switch 12 can rise according to trolley pole 2, signal is sent in the piston rod pressurized displacement of bow top conduction slide plate 8 networking contact wire exhaust hoods 6, this signal is used to control establish in addition vehicle-mounted and connected automatically subsequently by electric switch, the bow top conduction slide plate 8 that prevents bow formula trolley pole under the situation of the existing electrical load arcing that sparks that networks; Travel switch 12 also can be the displacement pickup or the force gauge of other form, and can be installed in collector head spring 11 places; Travel switch 12 also can adopt obliquity sensor to substitute, and it is arranged on the trolley pole 2, controls by the variation of surveying its angle connected automatically by electric switch.
Collector head spring 11 is extension spring or stage clip or plate spring.