CN115056684A - Automatic bow four-rail current collector goes up and down and multimode installation mode thereof - Google Patents
Automatic bow four-rail current collector goes up and down and multimode installation mode thereof Download PDFInfo
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- CN115056684A CN115056684A CN202210797717.8A CN202210797717A CN115056684A CN 115056684 A CN115056684 A CN 115056684A CN 202210797717 A CN202210797717 A CN 202210797717A CN 115056684 A CN115056684 A CN 115056684A
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- 238000009434 installation Methods 0.000 title claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 38
- 229910052799 carbon Inorganic materials 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
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- 239000002184 metal Substances 0.000 description 3
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- 238000013461 design Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M5/00—Arrangements along running rails or at joints thereof for current conduction or insulation, e.g. safety devices for reducing earth currents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The application discloses automatic four rail current collectors of lift bow and multimode installation mode thereof includes: a sled assembly; the driving arm assembly comprises a spring connecting plate and a force arm, the upper end of the driving arm assembly is connected with the sliding plate assembly, and the force arm controls the pantograph to fall; the upper end of the balance arm assembly is connected with the sliding plate assembly; the lower end of the balance arm assembly is connected with the support assembly; the pantograph lifting spring assembly comprises an adjusting screw rod and a spring, and the adjusting screw rod adjusts the tension of the spring to lift the pantograph; the electric push rod assembly comprises an electric push rod, and the electric push rod transmits the thrust to the force arm; the support assembly is connected with the insulating base assembly, and the electric push rod is connected and fixed on the insulating base assembly. The device also comprises a following three multi-mode installation modes, a positive and negative double-sliding-plate same-side current collection mode, a roof pantograph positive current collector bottom fourth rail negative electrode backflow mode and a positive and negative current collector opposite-side single-sliding-plate current collection mode.
Description
Technical Field
The application relates to the technical field of power supply of subway vehicles, in particular to an automatic lifting bow four-rail current collector and a multi-mode installation mode thereof.
Background
With the continuous progress of society and technology, urban rail transit in China becomes the most important transport means in cities. At present, the urban railway power supply mode in China basically adopts an overhead contact network or a contact rail, namely a third rail, to supply power to subway vehicles, and the power flows back to a traction substation through a vehicle steel rail. Because the rail cannot be completely insulated from the track bed, the traction return current will leak through the rail to the track bed and other structures and generate stray currents. Stray current will corrode steel rails, integral track bed structural steel bars, civil engineering structural steel bars and metal equipment along the subway line, and the safety and the service life of the subway civil engineering structure are directly affected. Although stray current corrosion protection is considered in subway design and construction, it is common: the steel rail has high potential, the total amount of stray current is increased by the drainage cabinet, the insulating installation engineering difficulty of the comprehensive pipeline is high, and the like. Therefore, in the power supply process of the metro vehicle, how to transmit the train current to the steel rail from the train body through the wheels is avoided, the influence and investment caused by the miscellaneous current are improved while the miscellaneous current is reduced, and the improvement of the safe operation of the finished iron becomes a problem to be solved urgently.
Disclosure of Invention
The embodiment of the application provides an automatic lifting bow four-rail current collector and a multi-mode installation mode thereof, and at least solves the problems that the safety and the service life of a subway civil construction structure are influenced due to the fact that stray current corrodes steel rails, integral track bed structural steel bars, civil engineering structural steel bars and metal equipment along the subway line.
The invention provides a multi-mode automatic lifting bow four-rail current collector, which comprises:
a sled assembly;
the driving arm assembly comprises a spring connecting plate and a force arm, the upper end of the driving arm assembly is connected with the sliding plate assembly, and the force arm controls the pantograph to fall;
the upper end of the balance arm assembly is connected with the sliding plate assembly;
the lower end of the balance arm assembly is connected with the bracket assembly;
the pantograph lifting spring assembly comprises an adjusting screw rod and a spring, and the adjusting screw rod adjusts the tension of the spring to lift the pantograph;
the electric push rod assembly comprises an electric push rod, and the electric push rod transmits thrust to the force arm;
the support assembly is connected with the insulating base assembly, and the electric push rod is connected and fixed on the insulating base assembly.
A multi-modal pantograph four-rail current collector, wherein the sled assembly comprises:
the carbon sliding plate seat is internally embedded with the carbon sliding plate;
the carbon sliding plate seat is fixedly connected with the sliding plate connecting seat through bolts, and the carbon sliding plate seat and the sliding plate connecting seat are in contact with a contact net and transmit current to the pantograph.
The multi-mode automatic lifting bow four-rail current collector, wherein the driving arm assembly further comprises:
the driving arm connecting pin shaft is fixed on the support component;
when the moment arm receives the thrust, the driving arm connecting pin shaft transmits the thrust to the driving arm through the moment arm and the moment arm connecting shaft, and the driving arm rotates around the axis of the driving arm connecting pin shaft to enable the pantograph to bow.
A multi-modal pantograph four-rail current collector, wherein the balance arm assembly comprises:
a balance arm connected with the movable joint bearing through a thread;
and the hinged shaft is used for connecting the lower end of the balance arm with the bracket component.
A multi-modal pantograph four-rail current collector, wherein the bracket assembly comprises:
the bracket end plate is fixedly connected with a bracket through a bolt, and the bracket is connected with the insulating base assembly through a bolt;
a diversion line end;
and fastening the bolt.
The multi-mode automatic pantograph lifting four-rail current collector, wherein, the pantograph lifting spring component further comprises:
the thrust joint bearing is embedded in the bracket end plate;
the end rod hinged bearing is connected with the spring connecting plate through a bolt;
and (4) a spring buckle.
The automatic bow four rail current collectors that lift of multimode, wherein, electric putter subassembly still includes:
the middle section of the electric push rod is connected and fixed on the insulating base assembly through a hoop and a bolt, and the front section of the electric push rod transmits the thrust to the force arm through a front joint;
and a front joint.
Multimode automatic lifting bow four rails current collector still includes and ends the shelves subassembly, it includes to end the shelves subassembly:
when the four-rail current collector is in a pantograph lifting state, the surface of the stop is in contact with the surface of the active arm, and the stop controls the active arm to stop rotating;
the distance between the stop and the stop baffle is adjusted through the fixing bolt.
The multi-mode automatic lifting bow four-rail current collector further comprises a connector assembly, and the connector assembly is fixed on the insulating base assembly through bolts.
The invention also provides a multi-mode installation mode of the four-rail current collector of the automatic lifting bow, which comprises the following steps:
the method comprises the following steps that a positive and negative double-sliding plate same-side current collection mode is adopted, a four-rail current collector is installed at the bottom of a train after adopting a double-sliding plate mode, train current is collected from a left carbon sliding plate of the four-rail current collector and a third rail contact rail after contacting with the third rail contact rail, after flowing into electric equipment of the train, a right carbon sliding plate of the four-rail current collector contacts with the fourth rail contact rail, and the train current flows back from the four-rail current collector and the fourth rail contact rail;
the train current collector comprises a top pantograph positive current collector, a bottom fourth rail negative electrode backflow mode, a four rail current collector, a single sliding plate mode and a single sliding plate mode, wherein the four rail current collector is installed at the bottom of a train, the train current is collected from the top pantograph and a contact network, after flowing into electric equipment of the train, a carbon sliding block of the four rail current collector is contacted with a fourth rail contact rail, and the train current flows back from the four rail current collector and the fourth rail contact rail.
The four-rail current collector adopts the double-sliding-plate mode and is installed on two sides of the train, train current flows from the left carbon sliding plate of the four-rail current collector to contact with the third rail contact rail and flows into the electric equipment of the train, and then flows back from the right carbon sliding plate of the four-rail current collector to contact with the fourth rail contact rail.
Compared with the prior art, the automatic lifting bow four-rail current collector and the multi-mode installation mode thereof have the advantages that the current collection sliding block has single and double selectivity, and a single sliding plate structure and a double sliding plate structure can be adopted according to requirements; the automatic lifting bow is realized through the electric push rod, and the automatic lifting bow is realized through the damping cylinder; by adopting the novel multi-mode four-rail current collector with the special negative electrode return rail and the sliding plate and the vehicle, the wheel rail of the vehicle is no longer used as a negative electrode return part, stray current does not influence a track bed and civil engineering facilities, and stray current related processing equipment in basic setting is not needed; the requirements on the longitudinal resistance, the joint welding and the steel rail installation of the track are greatly reduced; the problem that a metal structure is corroded due to stray current is solved, welding damage of the walking steel rail is effectively protected, and safe operation of finished iron is improved.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a four-rail current collector according to an embodiment of the present application;
fig. 2 is a first schematic diagram of a four-rail current collector according to an embodiment of the present application;
fig. 3 is a second schematic diagram of a four-rail current collector according to an embodiment of the present application;
FIG. 4 is a block diagram of an active arm assembly according to an embodiment of the present application;
FIG. 5 is a block diagram of a balance arm assembly according to an embodiment of the present application;
FIG. 6 is a schematic view of a mount assembly according to an embodiment of the present application;
FIG. 7 is a schematic structural view of a lift bow spring assembly according to an embodiment of the present application;
FIG. 8 is a schematic structural view of an electric putter assembly according to an embodiment of the present application;
FIG. 9 is a schematic view of an insulating base assembly according to an embodiment of the present application;
FIG. 10 is a schematic view of a stop assembly according to an embodiment of the present application;
FIG. 11 is a schematic structural view of a slider assembly according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a same-side current receiving mode of a positive and negative double-sliding plate according to an embodiment of the application;
fig. 13 is a first schematic view of a roof pantograph positive current collector bottom fourth rail negative return mode according to an embodiment of the present application;
fig. 14 is a second illustration of a negative return flow pattern of a fourth rail of a roof pantograph positive current collector according to an embodiment of the present application;
fig. 15 is a schematic diagram of current collection of a single sliding plate on different sides of a positive-negative current collector according to an embodiment of the present application.
Wherein the reference numerals are:
the sliding plate component: 1; the driving arm component: 2; a balance arm assembly: 3; a bracket assembly: 4; the bow lifting spring assembly: 5; electric putter subassembly: 6; insulating base subassembly: 7; a stop assembly: 8; a connector assembly: 9; connecting the driving arm with the pin shaft: 10; an active arm: 11; the force arm connecting shaft: 12; arm of force: 13; spring connecting plate: 14; hinging the shaft: 15; movable joint bearing: 16; a balance arm: 17; support end plate: 18; a support: 19; end of the diversion line: 20; a thrust knuckle bearing: 21; adjusting a screw: 22; and (4) spring buckling: 23; a spring: 24; end rod hinge bearing: 25; damping cylinder: 26; clamping: 27; front joint: 28; insulating base: 29; a rear supporting seat: 30, of a nitrogen-containing gas; embedding a hexagonal nut: 31; fixing the bolt: 32, a first step of removing the first layer; stop baffle: 33; stopping: 34; carbon slide: 35; carbon slide plate seat: 36; connecting a sliding plate: 37.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that such a development effort might be complex and tedious, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as a limitation of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by one of ordinary skill in the art that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The invention provides an automatic lifting bow four-rail current collector and a multi-mode installation mode thereof.
The present invention will be described with reference to specific examples.
Example one
The embodiment also provides a multimode four-rail current collector with an automatic lifting bow. Referring to fig. 1 to 11, fig. 1 is a structural diagram of a four-rail current collector according to an embodiment of the present application; fig. 2 is a first schematic diagram of a four-rail current collector according to an embodiment of the present application; fig. 3 is a second schematic diagram of a four-rail current collector according to an embodiment of the present application; FIG. 4 is a block diagram of an active arm assembly according to an embodiment of the present application;
FIG. 5 is a block diagram of a balance arm assembly according to an embodiment of the present application; FIG. 6 is a schematic view of a mount assembly according to an embodiment of the present application; FIG. 7 is a schematic structural view of a lift bow spring assembly according to an embodiment of the present application; FIG. 8 is a schematic structural view of an electric putter assembly according to an embodiment of the present application;
FIG. 9 is a schematic structural diagram of an insulating base assembly according to an embodiment of the present application; FIG. 10 is a schematic view of a stop assembly according to an embodiment of the present application; FIG. 11 is a schematic diagram of a slider assembly according to an embodiment of the present application. As shown in fig. 1 to 11, a multi-mode automatic pantograph four-rail current collector includes:
a skateboard assembly 1;
the active arm assembly 2 comprises a spring connecting plate 14 and a force arm 13, the upper end of the active arm assembly 2 is connected with the sliding plate assembly 1, and the force arm 13 controls pantograph descending;
the upper end of the balance arm assembly 3 is connected with the sliding plate assembly 1;
the lower end of the balance arm assembly 3 is connected with the bracket assembly 4;
the pantograph lifting spring assembly 5 comprises an adjusting screw rod 22 and a spring 24, wherein the adjusting screw rod 22 adjusts the tension of the spring 24 to lift the pantograph;
the electric push rod assembly 6 comprises an electric push rod, and the electric push rod transmits thrust to the force arm 13;
the support assembly 4 is connected with the insulation base assembly 7, and the electric push rod is fixedly connected to the insulation base assembly 7.
In an embodiment, the skateboard assembly 1 comprises:
the carbon sliding plate seat 36 is embedded with the carbon sliding plate 35;
and the sliding plate connecting seat 37 is fixedly connected with the carbon sliding plate seat 36 and the sliding plate connecting seat 37 through bolts, and the carbon sliding plate seat 36 and the sliding plate connecting seat 37 are in contact with a contact net and transmit current to the pantograph.
In specific implementation, the sliding plate assembly 1 mainly has the functions of contacting with a contact net and transmitting current to a pantograph; the sliding plate component 1 consists of a carbon sliding plate 35, a carbon sliding plate seat 36, a sliding plate connecting seat 37 and the like; the carbon sliding plate 35 is embedded in the carbon sliding plate seat 36, the carbon sliding plate seat 36 and the sliding plate connecting seat 37 are in surface contact to transmit current, and the carbon sliding plate seat and the sliding plate connecting seat are connected and fixed together through bolts; the sliding plate assembly 1 is divided into a left sliding plate and a right sliding plate, and one or both of the sliding plate and the sliding plate can be selectively installed according to needs.
In an embodiment, the active arm assembly 2 further comprises:
the driving arm connecting pin shaft 10 is fixed on the support assembly 4, and the driving arm connecting pin shaft 10 is fixed on the support assembly 4;
when the moment arm 13 receives the thrust, the driving arm connecting pin shaft 10 transmits the thrust to the driving arm through the moment arm 13 and the moment arm connecting shaft 12, and the driving arm rotates around the axis of the driving arm connecting pin shaft 10, so that the pantograph is lowered.
In specific implementation, the active arm assembly 2 is used for transmitting torque under the action of external force to realize the lifting of the bow; the driving arm assembly 2 is structurally divided into a left part and a right part and mainly comprises a driving arm connecting pin shaft 10, a driving arm 11, a force arm connecting shaft 12, a force arm 13, a spring connecting plate 14 and the like; the upper end of the driving arm component 2 is connected with the sliding plate component 1, the lower end is connected with the pantograph lifting spring component 5, and the rotating axis of the driving arm component and a driving arm connecting pin shaft 10 are fixed at the bracket component 4; the driving arm connecting pin shaft 10 passes through the axes of the driving arm 11, the moment arm connecting shaft 12 and the moment arm 13, and when the moment arm 12 is pushed by external force, the moment is transmitted to the driving arm 11 through the moment arm 13 and the moment arm connecting shaft 12, so that the driving arm rotates around the axis of the driving arm connecting pin shaft 10.
In an embodiment, the balance arm assembly 3 comprises:
a balance arm 17 that is connected to the movable joint bearing 16 by a screw;
a hinge shaft 15 for connecting the lower end of the balance arm 17 to the holder assembly 4 through the hinge shaft 15.
In specific implementation, the balance arm assembly 3 mainly functions to be matched with the driving arm assembly 2 to form two edges of a parallelogram mechanism, so that the sliding block assembly 1 is always in a parallel state; the balance arm component 3 is divided into a left part and a right part, and mainly comprises a hinged shaft 15, a movable joint bearing 16 and a balance arm 17; two ends of a balance arm 17 are respectively fixedly connected with two movable joint bearings 16 through threads, the upper end of the balance arm 17 is fixedly connected with the sliding plate component 1 through bolts, and the lower end of the balance arm 17 is connected with the support component 4 through a hinged shaft 15.
In an embodiment, the bracket assembly 4 comprises:
the bracket end plate 18 is fixedly connected with a bracket 19 through bolts, and the bracket 19 is connected with the insulating base assembly 7 through bolts;
a diversion line end 20;
and fastening the bolt.
In specific implementation, the support assembly 4 mainly functions to provide support for the driving arm assembly 2 and the balance arm assembly 3; the bracket assembly 4 is composed of a bracket end plate 18, a bracket 19, a diversion line end 20 and a fastening bolt; the bracket end plate 18 is fixedly connected with the bracket 19 through bolts, and the bracket 19 is connected with the insulating base assembly 7 through bolts.
In an embodiment, said pantograph spring assembly 5 further comprises:
the thrust joint bearing 21, the said thrust joint bearing 21 is embedded into said support end plate 18;
the end rod hinge bearing 25 is connected with the spring connecting plate 14 through a bolt;
a spring catch 23.
In specific implementation, the pantograph lifting spring assembly 5 mainly functions to provide lifting force for the pantograph lifting of the current collector and provide rated contact force for the current collector during normal operation; the structure of the bow lifting spring component 5 comprises a thrust knuckle bearing 21, an adjusting screw 22, a spring buckle 23, a spring 24, an end rod hinged bearing 25 and the like; the thrust knuckle bearing 21 is embedded in the bracket end plate 18, and the end rod hinge bearing 25 is connected with the spring connecting plate 14 through bolts. The adjustment of the tension of the spring 24 can be achieved by rotating the adjusting screw 22.
In an embodiment, the electric push rod assembly 6 further comprises:
the middle section of the electric push rod is connected and fixed on the insulating base component 7 through a hoop 27 and a bolt, and the front section of the electric push rod transmits the thrust to the force arm 13 through a front joint 28;
a front tab 28.
In specific implementation, the electric push rod assembly 6 mainly functions to provide thrust to realize the bow lowering of the four-rail current collector, and the size of the interface of the electric push rod assembly 6 and the damping cylinder assembly structure can be replaced without special change, namely the electric push rod can be correspondingly replaced by the damping cylinder to achieve the same bow lifting effect; the structure of the electric push rod assembly 6 mainly comprises an electric push rod 26, a hoop 27 and a front joint 28. The tail end of the electric push rod 26 is connected with the rear supporting seat 30 and fixed on the insulating base assembly 7, the middle part of the electric push rod 26 is connected with the bolt through a hoop 27 and fixed on the insulating base assembly 7, and the front section of the electric push rod 26 is in contact with the force arm 12 through the front joint 28 to realize force transmission.
In an embodiment, the multi-modal automatic pantograph four-rail current collector further comprises a stop assembly 8, the stop assembly 8 comprising:
a stop 34, when the four-rail current collector is in a pantograph-ascending state, a surface of the stop 34 contacts with a surface of the active arm, and the stop 34 controls the active arm to stop rotating;
the distance between the stop 34 and the stop baffle 33 is adjusted by the fixing bolt 32.
In specific implementation, the stop assembly 8 mainly functions to limit the maximum pantograph lifting height of the current collector; the stop assembly 8 is composed of a fixing bolt 32, a stop baffle 33, a stop 34 and the like. When the current collector is in a pantograph lifting state and is not in contact with a contact network, the surface of the stop 34 is in contact with the surface of the driving arm 11 to limit the driving arm 11 to continuously rotate, so that the maximum pantograph lifting position of the four-rail current collector is limited; the relative position between the stop 34 and the stop baffle 33 can be realized by rotating the nut of the stop 34, so that the maximum pantograph height of the current collector can be adjusted.
In an embodiment, the multi-mode automatic pantograph four-rail current collector further comprises a connector assembly 9, wherein the connector assembly 9 is fixed on the insulating base assembly 7 through bolts.
In specific implementation, the connector assembly 9 is mainly used for leading out a power line and a signal line related to the electric push rod assembly 6 to realize external quick plug connection; the connector assembly 9 is bolted to the insulating base 29.
In an embodiment, the multi-mode automatic pantograph four-rail current collector further comprises an insulating base assembly 7, the bracket assembly 4 is connected with the insulating base assembly 7, and the electric push rod is connected and fixed to the insulating base assembly 7.
In specific implementation, the insulating base assembly 7 mainly functions to support voltage and current between the current collector body frame structure, the insulating current collector and the vehicle body; the insulating base assembly 7 is composed of an insulating base 29, a rear supporting base 30, an embedded hexagon nut 31 and the like.
Example two
The embodiment also provides a multi-mode installation mode of the four-rail current collector of the automatic lifting bow. FIG. 12 is a schematic diagram of a same-side current receiving mode of a positive and negative double-sliding plate according to an embodiment of the application; fig. 13 is a first schematic view of a negative return mode of a fourth rail of a roof pantograph positive current collector according to an embodiment of the present application; fig. 14 is a second illustration of a negative return flow pattern of a fourth rail of a roof pantograph positive current collector according to an embodiment of the present application; fig. 15 is a schematic diagram of current collection of a single sliding plate on the opposite side of a positive-negative current collector according to an embodiment of the present application. As shown in fig. 12 to 15, the multi-mode installation mode of the invention is suitable for the multi-mode automatic pantograph four-rail current collector, and includes:
the train current collector comprises a positive-negative double-sliding-plate same-side current collection mode, a four-rail current collector, a train current collection mode and a train current collection mode, wherein the four-rail current collector is arranged at the bottom of a train after adopting the double-sliding-plate mode, the train current collection mode comprises that train current is collected from a left carbon sliding plate of the four-rail current collector and a third rail contact rail after being contacted with the third rail contact rail, the train current flows into electric equipment of the train, a right carbon sliding plate of the four-rail current collector is contacted with the fourth rail contact rail, and the train current flows back from the four-rail current collector and the fourth rail contact rail;
the train current collector comprises a top pantograph positive current collector, a bottom fourth rail negative electrode backflow mode, a four rail current collector, a single sliding plate mode and a single sliding plate mode, wherein the four rail current collector is installed at the bottom of a train, the train current is collected from the top pantograph and a contact network, after flowing into electric equipment of the train, a carbon sliding block of the four rail current collector is contacted with a fourth rail contact rail, and the train current flows back from the four rail current collector and the fourth rail contact rail.
The current collection mode of the single sliding plate on the different sides of the positive and negative current collectors is adopted by the four-rail current collector, the four-rail current collector is installed on the two sides of the train after adopting the double sliding plate mode, train current flows from the left carbon sliding plate of the four-rail current collector to be in contact with the third rail contact rail, and flows into electric equipment of the train, and then flows back from the right carbon sliding plate of the four-rail current collector to be in contact with the fourth rail contact rail.
In specific implementation, the multi-mode type of the multi-mode automatic pantograph lifting four-rail current collector is mainly represented in a pantograph lifting mode and a multi-mode installation mode.
The bow lifting mode can adopt an electric push rod to realize the bow lifting, and can also adopt an air cylinder to realize the bow lifting; the train can adopt an air cylinder mode under the condition that an air source can be provided by the train, certain air pressure is introduced into the air cylinder when bow lowering is needed, an air cylinder piston extends out under the action of the air pressure and pushes a four-rail current collector force arm to rotate so as to realize bow lowering, and a spring provides lift force in the bow raising process so as to realize bow raising; when the train can not provide an air source, the electric push rod can be adopted to realize bow lifting, when the bow is required to be lowered, the electric push rod is electrified, the head of the electric push rod extends out to push the four-rail current collector arm to rotate so as to realize bow lifting, and the spring provides lift force in the bow lifting process to realize bow lifting. The four-rail current collector structurally adopts a double-sliding-plate mode, namely a sliding-plate detachable mode, and the four-rail current collector can adopt a positive-negative double-sliding-plate same-side current collection mode, namely a positive-negative current collection mode and a single-sliding-block current collection mode; the positive pole current collection of a pantograph at the top of the vehicle and the negative pole reflux mode of a fourth rail at the bottom of the vehicle can be adopted; the current can be collected by a single sliding plate on the different sides of the positive and negative current collectors;
the current collection mode of the double sliding plates with the same sides of the positive and negative electrodes is detailed in that the current collection mode of the three-rail train is changed into a four-rail current collection mode, a pantograph and a contact network at the top of the train need to be cancelled, a third track and a fourth track and a current collector need to be added at the bottom of the train, the existing train and the contact network are greatly changed, the current collection mode is particularly suitable for the situations of a newly-built vehicle adopting the current collection mode and the track, and the pantograph and the contact network are not needed at the top of the train;
the working principle and the realization process of the same-side current receiving mode of the positive and negative double sliding plates are as follows:
the train comprises a train, a first rail, a second rail, a third rail, a fourth rail, a double-sliding-plate four-rail current collector, a first rail, a second rail, a third rail, a fourth rail, a contact system and a train roof pantograph, wherein the first rail and the fourth rail are respectively arranged on two sides of the train; with the four-rail current receiving mode, the backflow is realized without the wheel rail, the electric corrosion influence of stray current on civil facilities is avoided, the requirements of the wheel rail and the civil facilities are reduced, and the current receiving effect is improved.
The current collection mode of the pantograph at the top of the train is changed into a four-rail current collection mode, namely, the current collection mode of the train also comprises the situations of a newly-manufactured train and a rail adopting the current collection mode, the pantograph at the top of the train and a contact net do not need to be changed, only the fourth rail and a single-sliding-plate current collector are needed to be added at the bottom, and the change of the existing train is small;
the positive pole of the pantograph of the car roof is subjected to current, and the working principle and the realization process of the negative pole reflux mode of the fourth rail of the car bottom are as follows:
original contact network cables and a roof pantograph of the train are reserved, and a fourth rail negative electrode return rail is erected in the middle of a wheel rail at the bottom of the train. The four-rail current collector adopts a single-sliding-plate mode and is arranged at the bottom of a vehicle, the carbon sliding block is in contact with a negative electrode return rail of the fourth rail, and current flows from a roof pantograph to a contact network and then flows back through electrical equipment in the vehicle through the single-sliding-plate four-rail current collector to the fourth rail; with the four-rail current receiving mode, the backflow is realized without the wheel rail, the electric corrosion influence of stray current on civil facilities is avoided, the requirements of the wheel rail and the civil facilities are reduced, and the current receiving effect is improved.
The different-side single-sliding-plate current collection mode of the positive and negative current collectors is detailed in that the mode is suitable for the situation that a third rail and a fourth rail are installed at a wheel rail at the bottom of a train unconditionally, the third rail and the fourth rail are respectively installed on a train vehicle, and current collection and backflow are respectively carried out through the two single-sliding-plate current collectors;
the different-side single-sliding-plate current collection mode working principle and the realization process of the positive and negative current collectors are as follows:
the train wheel rail vehicle is provided with a third rail anode contact current receiving rail and a fourth rail cathode return current rail, four rail current collectors are arranged on the left side and the right side of the train, train current is in contact current receiving with the third rail contact rail from a left side current collector carbon sliding plate, namely, the anode, current is in contact current receiving with the fourth rail contact rail from a right side current collector carbon sliding plate, namely, the cathode after passing through electric equipment of the train, and a train roof does not need a contact net and a roof pantograph any more. With the four-rail current receiving mode, the wheel rail is not needed to realize backflow, the electric corrosion influence of stray current on civil facilities is avoided, the requirements of the wheel rail and civil facilities are reduced, and the current receiving effect is improved.
In summary, the present invention relates to an automatic pantograph lifting four-rail current collector and a multi-mode installation mode thereof, and particularly relates to the field of rail vehicles and four-rail current collection. The invention is used on the urban railway, so that the current of the train is subjected to current collection and backflow through the special positive current collector and the special negative current collector, the current is not transmitted from the train body to the steel rail through the wheels any more, and the miscellaneous current condition is obviously reduced because the steel rail does not transmit the current of the train operation any more, thereby improving the influence and investment caused by the miscellaneous current and improving the safe operation of the urban railway.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the protection scope of the appended claims.
Claims (10)
1. A multimode automatic pantograph four rail current collector that goes up and down, its characterized in that includes:
a sled assembly;
the driving arm assembly comprises a spring connecting plate and a force arm, the upper end of the driving arm assembly is connected with the sliding plate assembly, and the force arm controls the pantograph to descend;
the upper end of the balance arm assembly is connected with the sliding plate assembly;
the lower end of the balance arm assembly is connected with the bracket assembly;
the pantograph lifting spring assembly comprises an adjusting screw rod and a spring, and the adjusting screw rod adjusts the tension of the spring to lift the pantograph;
the electric push rod assembly comprises an electric push rod, and the electric push rod transmits thrust to the force arm;
the support assembly is connected with the insulating base assembly, and the electric push rod is connected and fixed on the insulating base assembly.
2. The multi-modal autolift bow four-rail current collector of claim 1, wherein the sled assembly comprises:
the carbon sliding plate seat is internally embedded with the carbon sliding plate;
the carbon sliding plate seat is fixedly connected with the sliding plate connecting seat through bolts, and the carbon sliding plate seat and the sliding plate connecting seat are in contact with a contact net and transmit current to the pantograph.
3. The multi-modal autolift bow four-rail current collector of claim 1, wherein the drive arm assembly further comprises:
the driving arm connecting pin shaft is fixed on the support component;
when the moment arm receives the thrust, the driving arm connecting pin shaft transmits the thrust to the driving arm through the moment arm and the moment arm connecting shaft, and the driving arm rotates around the axis of the driving arm connecting pin shaft to enable the pantograph to bow.
4. The multi-modal autolift bow four-rail current collector of claim 1, wherein the balance arm assembly comprises:
the balance arm is connected with the movable joint bearing through threads;
and the hinged shaft is used for connecting the lower end of the balance arm with the bracket component.
5. The multi-modal autolift bow four-rail current collector of claim 1, wherein the bracket assembly comprises:
the bracket end plate is fixedly connected with a bracket through a bolt, and the bracket is connected with the insulating base assembly through a bolt;
a diversion line end;
and fastening the bolt.
6. The multi-modal autothentic pantograph four-rail current collector of claim 5, wherein the pantograph spring assembly further comprises:
the thrust joint bearing is embedded in the bracket end plate;
the end rod hinged bearing is connected with the spring connecting plate through a bolt;
a spring buckle.
7. The multi-modal autolift bow four-rail current collector of claim 1, wherein the power push rod assembly further comprises:
the middle section of the electric push rod is connected and fixed on the insulating base assembly through a hoop and a bolt, and the front section of the electric push rod transmits the thrust to the force arm through a front joint;
and a front joint.
8. The multi-modal autohoist bow four-rail current collector of claim 3, further comprising a stop assembly comprising:
when the four-rail current collector is in an arch lifting state, the surface of the stop is in contact with the surface of the active arm, and the stop controls the active arm to stop rotating;
the distance between the stop and the stop baffle is adjusted through the fixing bolt.
9. The multi-modal autohoist bow four-rail current collector of claim 1, further comprising a connector assembly secured to the insulating base assembly by bolts.
10. The utility model provides an automatic multimode installation mode of four rail current collectors of lift bow which characterized in that includes:
the method comprises the following steps that a positive and negative double-sliding plate same-side current collection mode is adopted, a four-rail current collector is installed at the bottom of a train after adopting a double-sliding plate mode, train current is collected from a left carbon sliding plate of the four-rail current collector and a third rail contact rail after contacting with the third rail contact rail, after flowing into electric equipment of the train, a right carbon sliding plate of the four-rail current collector contacts with the fourth rail contact rail, and the train current flows back from the four-rail current collector and the fourth rail contact rail;
the train current collector comprises a top pantograph positive current collector, a bottom fourth rail negative electrode backflow mode, a four rail current collector, a single sliding plate mode and a single sliding plate mode, wherein the four rail current collector is installed at the bottom of a train, the train current is collected from the top pantograph and a contact network, after flowing into electric equipment of the train, a carbon sliding block of the four rail current collector is contacted with a fourth rail contact rail, and the train current flows back from the four rail current collector and the fourth rail contact rail.
The current collection mode of the single sliding plate on the different sides of the positive and negative current collectors is adopted by the four-rail current collector, the four-rail current collector is installed on the two sides of the train after adopting the double sliding plate mode, train current flows from the left carbon sliding plate of the four-rail current collector to be in contact with the third rail contact rail, and flows into electric equipment of the train, and then flows back from the right carbon sliding plate of the four-rail current collector to be in contact with the fourth rail contact rail.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210797717.8A CN115056684A (en) | 2022-07-08 | 2022-07-08 | Automatic bow four-rail current collector goes up and down and multimode installation mode thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210797717.8A CN115056684A (en) | 2022-07-08 | 2022-07-08 | Automatic bow four-rail current collector goes up and down and multimode installation mode thereof |
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| CN202210797717.8A Pending CN115056684A (en) | 2022-07-08 | 2022-07-08 | Automatic bow four-rail current collector goes up and down and multimode installation mode thereof |
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