CN102275511B

CN102275511B - Automatic telescopic current collection bow head

Info

Publication number: CN102275511B
Application number: CN 201110150553
Authority: CN
Inventors: 王新国; 王川
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-07
Filing date: 2011-06-07
Publication date: 2013-04-10
Anticipated expiration: 2031-06-07
Also published as: CN102275511A

Abstract

The invention provides an automatic telescopic current collection bow head which is applied to an electrified expressway. The automatic telescopic current collection bow head is mainly characterized in that: two current collection bow automatic telescopic devices and a current collection bow head of each telescopic device are arranged on a support; the current collection bow head has the automatic telescopic function, and an automatic bow descending area and an automatic alarm area are formed at one end of a carbon sliding plate of the current collection bow head close to a bow foot; and the automatic telescopic current collection bow head has a simple structure, is safe and reliable, and is an ideal current collection bow head which can be used on a contact net when an expressway is electrified.

Description

Automatic telescopic current collection bow head

Technical field

The present invention relates to a kind of automatic telescopic current collection bow head, refer to that mainly the stream that is subjected to that is applied on the electrical expressway bends bow.

Background technology

Along with China's expanding economy, existing highway particularly along with the develop rapidly of express highway and current, becomes the main artery of land route transportation day by day; Along with highway extending in all direction of express highway particularly, various vehicle of auto transportation are increasing; A large amount of big-and-middle-sized automobiles expend the petroleum-based energys such as a large amount of gasoline, diesel oil, and oil is the non-renewable resources that pollution is arranged, and road haulage is main one of unit that consumes of oil, and both a large amount of oil of main consumption is given again the serious pollution of environmental emission.Energy-saving and emission-reduction are direction strategies of development of world economy, and in state basic policy is listed energy-saving and emission-reduction by China, includes national economy, science and technology development planning in, urgently adopt various technical methods to give Expedite the application.Electricity is regenerative resource, the present situation of China should the Developing High-speed highway, develop again power industry, electric power is taken full advantage of in expressway construction and operation, replacing oil by electricity, electricity oil is the not only urgent but also great problem of pendulum in face of numerous scientific workers in conjunction with the power source as automobile.Electrification highway net is the trend of China's Expressway Development, develop electrification highway net, just must solve series of technical.

Summary of the invention

The contriver finds that existing express highway need to be subjected to the stream bow when realizing electrification, technical matters to be solved by this invention provides a kind of simple in structure, safe and reliable automatic telescopic current collection bow head utilizes this to be flowed the bow bow and can realize that electrical expressway is to being flowed the desirable requirement of bow.

For solving the problems of the technologies described above, the technical solution used in the present invention is that the structure of this automatic telescopic current collection bow head comprises support, two streams that are subjected to that flowed on bow automatic extending-contracting apparatus and each retractor device on the support bend bow, each is flowed the bow bow and is comprised carbon slide plate on the carriage, set cable connection panel on the carbon slide plate, the bow pin of carriage end, tension spring between upper and lower bottom plate, the transverse frame plate of upper plate end, the arm-tie in the transverse frame plate outside, slip channel-section steel between the bow pedestal, the composite insulator between carriage and upper plate, described support are the del support; On the support each flowed the bow automatic extending-contracting apparatus and comprised two slip rail grooves that are connected with support, establishing an end between two slip rail grooves links to each other with support, the other end with flowed bow the bow tension spring, the air bag that link to each other, establish backstop at the rail groove away from an end of tension spring, between two retractor devices, be connected with neutral additional wire friction shoe; Described bow pin is square glass-felt plastic bow pin; Establish the automatic bow-lowering district at described carbon slide plate near an end of bow pin, the carriage in the automatic bow-lowering district near central side is established electronics proximity detector one; Establish the automatic alarm district in the automatic bow-lowering district near central side, the carriage in the automatic alarm district near central side is established electronics proximity detector two.

Described composite insulator is the pestle capitiform, being connected with glass-felt plastic between the metal column rod member up and down, covers silaatic outside upper metal column rod member, glass-felt plastic, lower metal column rod member.

The present invention adopts the designed automatic telescopic current collection bow head of technique scheme, can effectively change the working width of carbon slide plate, makes to be subjected to stream bow bow automatically retractable; The bow pin can be avoided the generation of contact wire drill bow accident, automatic bow-lowering district and automatic alarm district set on the carbon slide plate can avoid contact wire generation accident between pantograph, make automobile safer when electrical expressway travels, the present invention is simple in structure, safe and reliable, when express highway is carried out electrification, be that the ideal of using on the contact system is subjected to stream bow bow.

Description of drawings

Fig. 1 represents the single structural representation that is flowed the bow bow of the present invention;

In Fig. 2 presentation graphs 1 along the structural representation of A-A direction;

Fig. 3 represents the main TV structure scheme drawing of automatic telescopic current collection bow head of the present invention;

Fig. 4 represents the sectional structure scheme drawing of composite insulator of the present invention;

Fig. 5 represents to be flowed the structural representation of bow support.

The specific embodiment

Specify below in conjunction with the structure of accompanying drawing to automatic telescopic current collection bow head of the present invention.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the structure of automatic telescopic current collection bow head of the present invention comprises support, two streams that are subjected to that flowed on bow automatic extending-contracting apparatus and each retractor device on the support bend bow, wherein:

Support is the del support.

Referring to Fig. 3, on the support each flowed the bow automatic extending-contracting apparatus and comprises and flowed two slip rail grooves 17 being connected of bow arch head bracket 21, establishing an end at two 17 of slip rail grooves links to each other with support 21, the other end with flowed bow the bow tension spring 15, the air bag 16 that link to each other, establish the backstop (not shown) at slip rail groove 17 away from an end of tension spring 15, be connected with neutral additional wire friction shoe 18 between two retractor devices, the compression gas circuit of the electropneumatic valve of air bag 16 and lifting bow communicates.During rising bow, electropneumatic valve gets electric, and pressurized air enters cylinder, is flowed shelf and rises, meanwhile, pressurized air also enters bow air bag 16, and overcomes the pulling force of bow tension spring 15, makes the positive and negative stream bow bow 19 that is subjected to, 20 under the guiding of bow slip channel-section steel 10, arrive the design effort positions along bow slip rail groove 17, when just being subjected to stream bow bow 19 and negative when being subjected to stream bow bow 20 to arrive the design effort position, backstop is stopped it.When falling bow, the electropneumatic valve dead electricity, pressurized air in the cylinder through electropneumatic valve discharged to atmosphere, fallen by the stream bow, meanwhile, pressurized air in the bow air bag 16 also through electropneumatic valve discharged to atmosphere, under the pulling of bow tension spring 15, set back along bow slip rail groove 17 by stream bow bow 19 and the negative stream bow bow 20 that is subjected to.Just be subjected to stream bow bow 19 and the negative stream bow bow 20 that is subjected to be designed to the automatic telescopic pattern, can increase the effective work width of carbon slide plate 1 in the time of in working order, to adapt to the demand of high-speed cruising automobile, in off working state, just flowed bow bow 19 and the negative working position width that is flowed bow bow 20 less than overall width, thereby brought guarantee to traffic safety.

Referring to figure, Fig. 2, each is flowed the bow bow and is comprised carbon slide plate 1 on the carriage 2, set cable connection panel 3 on the carbon slide plate 1, the bow pin 5 of carriage 2 ends, the tension spring 11 that upper plate 6 and lower shoe are 12, the transverse frame plate 7 of upper plate 6 ends, the arm-tie 8 in transverse frame plate 7 outsides, the slip channel-section steel 10 that the bow pedestal is 9, the electric current that the composite insulator 4 that carriage 2 and upper plate are 6, carbon slide plate 1 obtain from contact system (line) in cable connection panel 3 and cable input car as the propulsion source of vehicle.If the line of centers of automobile run-off-road in the process of travelling is too many, the line of centers of positive and negative contact wire that also is run-off-road is too many, its contact wire can slide from the end of carbon slide plate 1, then creep into carriage 2 below, cause drill bow accident (accident between pantograph), for fear of the generation of this type of accident, bow pin 5 is made as the square glass-felt plastic bow pin of certain mechanical strength and insulation, bow pin 5 tops are fixed on the carriage 2, and the middle part is fixed on the transverse frame plate 7.Among Fig. 1, bow upper plate 6, transverse frame plate 7, arm-tie 8, pedestal 9, lower shoe 12, tension spring 11 common formation one elastic bodys, carbon slide plate 1, carriage 2, composite insulator 4, upper plate 6 common formation one solidity bodies, the solidity body is upper, elastic body is lower, jointly consist of again an integral body, namely be subjected to the total member of stream bow bow, in being subjected to the total member of stream bow bow, because elastomeric existence, carbon slide plate 1 exists about in the of one, about, before and after movable amount, can effective attenuation three elastic body (automobiles, flowed shelf, contact system) concussion, guaranteed that the 1 pair of contact wire of carbon slide plate in the work has good tack, thereby guaranteed the electricity quality that is subjected to of automobile.Referring to Fig. 4; composite insulator is the pestle capitiform among Fig. 4; be connected with glass-felt plastic 24 between the metal column rod member up and down; outside upper metal column rod member 22, glass-felt plastic 24, lower metal column rod member 25, cover silaatic 23; glass-felt plastic 24 is the major insulation of upper metal column rod member 22, lower metal column rod member 25; also be carbon slide plate 1, carriage 2, flowed the major insulation of shelf; silaatic 23 is to reveal distance for the insulation that increases insulator; also be to avoid the atmosphere etch for cover glass steel 24 simultaneously; prevent from wearing out, composite insulator 4 has the performance of tension, resistance to compression, bending resistance, shearing resistance.

The contriver had applied for once that the patent No. was " 200920223969.X ", name is called the utility model patent of " stepless lane-changing lane power distribution lines of electrified highway road automobile is flowed shelf ", in this utility model design plan, the equidirectional vehicle of express highway contact system is designed with mutual transcendent function, when the middle automobile that travels needs lane change to overtake other vehicles, the driver at first falls in current track and is flowed shelf, finish passing maneuver utilizing inertia inertia to another track, when automobile coasting during to another track centre bit, shelf is flowed in rise, automobile gets electric the continuation and moves ahead, in whole passing maneuver, the driver needs M/C, and so unavoidable existence carelessness and error cause Gao Gong when overtaking other vehicles lane change (forget and fall bow) to sail another track into, flowed shelf and contact system thereby damage, led to serious accident between pantograph.Referring to Fig. 1, for stopping the generation of this type of accident, the present invention establishes automatic bow-lowering district 13 at carbon slide plate 1 near an end of bow pin 5, and the carriage 2 of 13 close central sides is established electronics proximity detector one (not shown) in the automatic bow-lowering district.When the automobile lane change driver that overtakes other vehicles forgets and falls when bow, walk to contact wire lower time in the automatic bow-lowering district 13 of being flowed bow carbon slide plate 1, electronics proximity detector one is passed to computing machine one signal, computing machine accordingly signal is assigned instruction to actuating unit, turn-off the circuit of lifting bow electropneumatic valve, electropneumatic valve dead electricity, pressurized air from electropneumatic valve discharged to atmosphere, fallen by the stream bow, like this potential safety hazard with regard to fundamentally avoiding producing because of human element.Automobile exists that tire pressure is not up to standard, crackle appears in spring plate, Dead Weight Cargo occurs tilting and the factors such as the centnifugal force in curve highway section, wind-force cause the phenomenon of the centre-of gravity shift of automobile in the process of moving.When the automobile of centre-of gravity shift was using electrical network to be used as power to travel, its centre-of gravity shift must be reflected in the center of being flowed shelf with respect to the skew at contact system center, and the automatic frequent that causes being flowed shelf lands, thereby affects normally travelling of automobile.Referring to Fig. 1, be head it off, the present invention 13 establishes automatic alarm district 14 near central sides in the automatic bow-lowering district, and 14 establish electronics proximity detector two (not shown) near the carriage 2 of central sides in the automatic alarm district.At centre-of gravity shift appears in automobile or the middle disalignment that travels too much causes being flowed shelf center with respect to run-off-road just, when the center of negative contact net lines is too much, travelled to contact wire lower time in the automatic alarm district 14 of carbon slide plate 1, electronics proximity detector two is passed to electric signal of computing machine, computing machine accordingly signal is assigned instruction to actuating unit, make the Warning light that is arranged in the operator's compartment, the circuit debugging of buzzer phone, thereby in time revise the driving parking stall with the sound and light signal reminding driver, Warning light just divides, negative pole, in order in time inform chaufeur automobile offset orientation, make chaufeur correction driving parking stall.The present invention arranges automatic bow-lowering district 13, automatic alarm district 14 at carbon slide plate 1, has positive effect to avoiding accident between pantograph, bow bow accident, to alleviating driving fatigue, alleviating mental fatigue and have positive effect.

Claims

1. automatic telescopic current collection bow head, comprise support, two streams that are subjected to that flowed on bow automatic extending-contracting apparatus and each retractor device on the support bend bow, each is flowed the bow bow and is comprised carbon slide plate on the carriage, set cable connection panel on the carbon slide plate, the bow pin of carriage end, tension spring between upper and lower bottom plate, the transverse frame plate of upper plate end, the arm-tie in the transverse frame plate outside, slip channel-section steel between the bow pedestal, the composite insulator between carriage and upper plate is characterized in that described support is the del support; On the support each flowed the bow automatic extending-contracting apparatus and comprised two slip rail grooves that are connected with support, establishing respectively an end between two slip rail grooves links to each other with support, the other end with flowed bow the bow tension spring, the air bag that link to each other, the compression gas circuit of the electropneumatic valve of air bag and lifting bow communicates, establish backstop at the rail groove away from an end of tension spring, between two retractor devices, be connected with neutral additional wire friction shoe; Described bow pin is square glass-felt plastic bow pin; Establish the automatic bow-lowering district at described carbon slide plate near an end of bow pin, the carriage in the automatic bow-lowering district near central side is established electronics proximity detector one; Establish the automatic alarm district in the automatic bow-lowering district near central side, the carriage in the automatic alarm district near central side is established electronics proximity detector two.

2. automatic telescopic current collection bow head as claimed in claim 1 is characterized in that described composite insulator is the pestle capitiform, being connected with glass-felt plastic between the metal column rod member up and down, covers silaatic outside upper metal column rod member, glass-felt plastic, lower metal column rod member.