CN1239336C - Double-wire powering trolleybus pantograph with damping spring barrel - Google Patents

Abstract

A trolleybus double-wire receiving pantograph with a spring damping cylinder belonging to the field of urban public transportation, including: an underframe, a lower arm, a pull rod, an upper arm, a balance bar, a bow seat bar, a cylinder, The spring damping cylinder, the bow top cross bar, the bow top conductive slide plate, the insulating seat, the insulating rod, the bow head spring; the bottom frame, the lower arm rod, the pull rod, the upper arm rod, the balance bar, and the bow head seat cross bar constitute the six components. Two double-connected planar four-bar linkages, each rod is movably connected, the bow top conductive slide plate is separated by an insulating rod in the middle to form a double current collector, and is fixed on the bow top cross bar through an insulating seat, the bow top cross bar and the bow head The seat cross bar is movably connected in the middle, and the two ends are connected by bow head springs. When the cylinder on the bottom frame makes the lower arm swing through the spring damping cylinder, the conductive slide plate on the top of the bow is held up and down. The invention has less constraints on the wire net of the vehicle, has good pantograph-catenary contact performance, is safe and reliable in operation, and can enter and exit the net while the tram is running.

Description

The trackless trolley car two-wire powering type collector bow that has the spring damping tube

Technical field

What the present invention relates to is a kind of trackless trolley car collector bow, and particularly a kind of trackless trolley car two-wire powering type collector bow that has the spring damping tube 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 view that current collection crawler shoe high jump lead accident easily causes traffic tie-up and influences the sky, street, city takes place; 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, and the slide plate electric means of employing roof pantograph or collector bow, then automatic lifting networks to retrain to line and lacks, find by literature search, China Patent No. is: 00224010.6, name is called: pantograph, this utility model patent readme is " a kind of current collection device that is subjected to power taking stream in the electric locomotive from contact system that is installed in; by underframe; underframe; upper frame; bow; transmission device is formed, it is characterized in that: it also has a damper, this damper is installed between the lower arm rod and underframe of underframe, its advantage is that bow can be followed on contact system carries out apace, the following adjustment, remaining with contact wire during quasi high-speed or high-speed cruising at locomotive has certain mutual pressure, unlikely generation ' off-line ' phenomenon has guaranteed that locomotive is in quasi high-speed or normal during the high-speed cruising state, stable power supply." though this utility model can be used for the city railway vehicle of electric locomotive and other form; the built on stilts power supply contact gauze of railroad vehicle is solid conductor system; the bow top conduction slide plate of its pantograph or collector bow only can be subjected to electricity by single line, and the trackless trolley car double-circuit that can't satisfy the power supply contact wire and be two-conductor line system is subjected to electric requirement; So and the type pantograph or collector bow are whole charged because of single line is flowed, and only need and the roof insulation, the pantograph of trackless trolley car also needs the mutual insulating between two-wire, 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 trackless trolley car two-wire powering type collector bow that has the spring damping tube is provided, the pantograph or the collector bow that push up very long separation slide plate and insulation measures elimination prior art with its bow can only be subjected to stream can't accomplish the restriction that double-circuit is flowed simultaneously by single line, and the trackless trolley car trolley pole and the groove shape current collection crawler shoe that change other type, the difficulty that additional alignment device automatic lifting networks to line, make it can either double-circuit be subjected to simultaneously stream can controlled frequent lifting automatically line to be networked again, satisfy 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, lower arm rod, pull bar, last armed lever, trammel beam, bow seat cross bar, cylinder, the spring damping tube, bow top cross bar, bow top conduction slide plate, bench insulator, insulation rod, collector head spring, travel switch, underframe, lower arm rod, pull bar, last armed lever, trammel beam, two samesing lanar four rod mechanisms have been constituted 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 captive joint spring damping tube of cylinder, the other end of spring damping tube and lower arm rod flexibly connect, and travel switch is fixed on the spring damping tube; When cylinder when the spring damping tube promotes the lower arm rod swing, whole collector bow mechanism's holder flat bow headstock cross bar and the conduction slide plate lifting of bow top, after the bow top conduction slide plate of collector bow rose, the two-conductor line with contact system under the effect of spring damping tube elastic thrust kept closed contact.

The present invention has substantive distinguishing features and marked improvement, 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 can contact two-conductor line, double-circuit is flowed simultaneously; The trolley pole and the groove shape current collection crawler shoe that change trackless trolley car are pantograph and collector bow form, and adopt long bow to push up the conduction skateboard, 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 top of collector bow 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 network problem of difficulty of line thereby solved trolley pole and groove shape current collection crawler shoe during trackless trolley car travels; Bow top cross bar can swing together with the top of the bow on it conduction slide plate and just float, the structure that cooperates the spring damping tube, 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 collector bow also can keep the closed contact that bends and 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 collector bow 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, lower arm rod 2, pull bar 3, go up armed lever 4, trammel beam 5, bow seat cross bar 6, also comprise: cylinder 7, spring damping tube 8, bow top cross bar 9, bow top conduction slide plate 10, bench insulator 11, insulation rod 12, collector head spring 13, travel switch 14; The lower end of lower arm rod 2 and pull bar 3 all flexibly connects with underframe 1, the upper end of lower arm rod 2 and pull bar 3 all flexibly connects with the lower end of last armed lever 4, the upper end of the lower end of trammel beam 5 and lower arm rod 2 flexibly connects, the upper end of last armed lever 4 and trammel beam 5 all flexibly connects with bow seat cross bar 6, it is halved body that bow top conduction slide plate 10 is cut off by several insulation rods 12 at the middle part, halved body bow top conduction slide plate 10 is fixed on the bow top cross bar 9 by several bench insulator 11 supportings separately, bow top cross bar 9 flexibly connects at the middle part with bow seat cross bar 6, two ends connect by collector head spring 13, bow top cross bar 9 can be swung together with the top of the bow on it conduction slide plate 10 just to float, the lower end of cylinder 7 and underframe 1 flexibly connect, the piston rod mouth captive joint spring damping tube 8 of cylinder 7, the other end of spring damping tube 8 and lower arm rod 2 flexibly connect, and travel switch 14 is fixed on the spring damping tube 8.

As shown in Figure 1 and Figure 4, two samesing lanar four rod mechanisms have been constituted between underframe 1, lower arm rod 2, pull bar 3, last armed lever 4, trammel beam 5, the bow seat cross bar 6 six; And, can hold in the palm flat bow headstock cross bar 6 and conduction slide plate 10 liftings of bow top when rising bow cylinder 7 when spring damping tube 8 promotes lower arm rod 2 swings; After the bow top conduction slide plate 10 of collector bow rose, the two-conductor line with contact system under the effect of spring damping tube 8 elastic thrusts kept 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 10 to be set on the bow seat cross bar 6, it is halved body that each bar bow top conduction slide plate 10 is all cut off by several insulation rods 12 at the middle part, the bow top conduction slide plate 10 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 10 is more used than electric locomotive and city railway vehicle is longer, and bow top conduction slide plate 10 cuts off the insulation structure for the middle part split, 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 12 cross sections at partition place, conduction slide plate 10 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 10 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 12 supports in the middle of the halved body of bow top conduction slide plate 10, lead is also without hindrance with the relative laterally slip between the insulation rod 12; Cut off the length of the bow top conduction slide plate 10 after insulating all less than the distance between the contact system two-conductor line by split, thereby guarantee that bow top conduction slide plate 10 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 10 can not contact two-conductor line simultaneously and cause short circuit.

As shown in Figure 1, travel switch 14 can rise, bend the pressurized displacement of pushing up conduction slide plate 10 networking contact wire rear spring damping tubes 8 according to collector bow and send signal, this signal is used to control establish in addition vehicle-mounted and connected automatically subsequently by electric switch, prevents under the situation of existing electrical load the collector bow arcing that sparks that networks; Travel switch 14 also can be the displacement pickup or the force gauge of other form, and can be installed in collector head spring 13 places; Travel switch 14 also can adopt obliquity sensor to substitute, and it is installed on lower arm rod 2 or the last armed lever 4, controls by the variation of surveying its angle connected automatically by electric switch.

Collector head spring 13 is extension spring or stage clip or plate spring.

Claims (8)

1. A trolley bus double-wire receiving type pantograph with a spring damping cylinder, comprising: underframe (1), lower arm (2), pull rod (3), upper arm (4), balance bar ( 5), the bow head seat cross bar (6), is characterized in that it also includes: cylinder (7), spring damping cylinder (8), bow top cross bar (9), bow top conductive slide plate (10), insulating seat (11 ), insulating rod (12), bow spring (13), travel switch (14), the lower end of the lower arm (2) and the pull rod (3) are all movably connected with the chassis (1), and the lower arm (2) and the upper ends of the pull rods (3) are movably connected with the lower ends of the upper arms (4), the lower ends of the balance rods (5) are movably connected with the upper ends of the lower arms (2), and the upper ends of the upper arms (4) and the balance rods (5) The upper ends are movably connected with the cross bar (6) of the bow head seat, and the bow top conductive slide plate (10) is divided into two halves by several insulating rods (12) in the middle, and the two half body bow top conductive slide plates (10) respectively pass through several An insulating seat (11) is supported and fixed on the bow top cross bar (9), and the bow top cross bar (9) is movably connected with the bow head seat cross bar (6) in the middle, and the two ends are connected by the bow head spring (13). Make the bow cross bar (9) and the bow top conductive slide plate (10) on it swing up and down from side to side, the lower end of the cylinder (7) is flexibly connected to the chassis (1), and the output end of the piston rod of the cylinder (7) is fixedly connected The spring damping cylinder (8), the other end of the spring damping cylinder (8) is flexibly connected with the lower arm lever (2), and the travel switch (14) is fixed on the spring damping cylinder (8). 2. The trolley bus double-wire receiving type pantograph with spring damping cylinder according to claim 1, characterized in that, the underframe (1), the lower arm (2), the pull rod (3), the upper arm (4), the balance bar (5), and the bow seat cross bar (6) constitute two double-connected plane four-bar linkages, and when the bow-raising cylinder (7) passes through the spring damping cylinder (8) When the lower arm lever (2) is pushed to swing, the horizontal rod (6) of the bow head seat and the conductive slide plate (10) of the bow head are raised and lowered. 8) Under the action of elastic thrust, keep in close contact with the double conductors of the catenary. 3. The trolley bus double-wire receiving type pantograph with spring damping cylinder according to claim 1, characterized in that, the bow top conductive slide plate (10) is a middle part partition insulation type structure, forming mutually insulated The double receivers receive current at the same time, that is, the two wires receive power to form a current loop, which is used as a power receiving device for the charging type trolleybus in the station area with two contact wires. 4. The trolley bus double-wire receiving type pantograph with a spring damping cylinder according to claim 1 or 3, characterized in that, several insulating rods at the middle part of the two halves of the bow top conductive slide plate (10) (12) The cross-section is circular, and the shape is an arc transition with the middle part high and the two ends gradually lower. 5. The trolley bus double-wire receiving type pantograph with spring damping cylinder according to claim 1 or 3, characterized in that, the bow top conductive slide plate (10) or the structural form of parallel multiple slide plates, i.e. bow Several parallel bow-top conductive slides (10) are arranged at intervals on the headstock crossbar (6), and each bow-top conductive slide (10) is divided into two halves by several insulating rods (12) in the middle, and the same side The bow-top conducting slide plate (10) of the same polarity is connected in parallel with cables. 6. according to claim 1 or 3 described trolley bus two-wire receiving type pantograph with spring damping cylinder, it is characterized in that, the length of the bow top conductive slide plate (10) after being cut off and insulated by splits is all less than Distance between catenary twin conductors. 7. The trolley bus double-wire receiving type pantograph with a spring damping cylinder according to claim 1, characterized in that the bow spring (13) is a tension spring or a compression spring or a leaf spring. 8. The trolley bus double-wire receiving type pantograph with a spring damping cylinder according to claim 1, characterized in that the travel switch (14) is raised according to the pantograph, and the bow-top conductive slide plate (10) enters the network The pressure displacement of the spring damping cylinder (8) sends a signal after contacting the lead, and the vehicle-mounted power receiving switch that is separately set by this signal is automatically connected subsequently.

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