CN217705493U - Tram auxiliary power supply device - Google Patents
Tram auxiliary power supply device Download PDFInfo
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- CN217705493U CN217705493U CN202221653789.7U CN202221653789U CN217705493U CN 217705493 U CN217705493 U CN 217705493U CN 202221653789 U CN202221653789 U CN 202221653789U CN 217705493 U CN217705493 U CN 217705493U
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- pantograph
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Abstract
The utility model discloses an auxiliary power supply device for a tramcar, which comprises a plurality of mounting rods, wherein the bottom of each mounting rod is provided with a pantograph upper arm rod mounting groove; the mounting plate I and the mounting plate II are oppositely arranged, the floating plate and the elastic element are arranged, and at least one elastic element is arranged between the mounting plate I and the floating plate and between the mounting plate II and the floating plate; the pantograph bow support rod is provided with a plurality of through grooves on a mounting plate I and a mounting plate II, the top surface of the front part of the pantograph bow support rod is fixedly provided with a pantograph bow, the rear part of the pantograph bow support rod is positioned in the through groove of the mounting plate II, a pin body is rotatably arranged on the inner wall of the through groove on the mounting plate II, and the rear part of the pantograph bow support rod positioned in the through groove is hinged with the pin body; the floating plate and the elastic elements arranged on the two sides of the floating plate can enable the bow head to deform the elastic elements when the bow head is slightly vibrated, so that the vibration amplitude of the bow head is reduced, and the structural design is reasonable.
Description
Technical Field
The utility model relates to a tram power supply field specifically is a tram auxiliary power supply unit.
Background
Trams are generally powered by pantographs, which are electrical devices that are used by electric traction locomotives to obtain electrical energy from overhead lines and are mounted on the roof of the locomotive or railcar. The pantograph can be divided into a single-arm pantograph and a double-arm pantograph, and is composed of a sliding plate, an upper frame, a lower arm rod (a lower frame for the double-arm pantograph), a bottom frame, a pantograph lifting spring, a transmission cylinder, a supporting insulator and the like. Diamond pantographs, also called diamond pantographs, have been popular before, and have been gradually eliminated due to high maintenance cost and easy disconnection of contact lines in case of failure, and in recent years, single-arm pantographs (see the figure) have been used in many cases. The fluency of the load current passing through the contact surface of the contact line and the pantograph sliding plate is related to the contact pressure, the transition resistance and the contact area between the sliding plate and the contact line and depends on the interaction between the pantograph and the contact line;
when the tramcar is powered by the pantograph during running, the mechanical vibration of the tramcar may cause vibration to the pantograph, at the moment, the pantograph is damped by the aid of the hydraulic damper carried by the pantograph, but when the vibration amplitude is small, damping components such as the hydraulic damper are often difficult to trigger for damping, for example, vibration caused by small wind speed, vibration caused by small-amplitude vibration caused by sundries on a track and the like are generated, and at the moment, a bow head on the pantograph can be in unstable contact or jumping contact with an overhead contact line of the contact network, so that the bow head on the pantograph can automatically float up and down when the bow head on the pantograph and the overhead contact line of the contact network are subjected to small vibration, the vibration degree between the bow head and the overhead contact line is reduced, and the loss of a sliding plate on the bow head is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to prior art, a to make bow and contact net overhead line on the pantograph also can make the bow on the pantograph float from top to bottom when receiving small vibration in order to reduce the vibration degree between bow and the contact net overhead line, reduce the tram auxiliary power supply device of the overhead slide loss of bow.
The technical problem to be solved by the utility model is realized by the following technical proposal that an auxiliary power supply device for a tramcar is arranged on the upper arm lever of a pantograph of the tramcar, the device comprises,
the bottom of the mounting rod is provided with a pantograph upper arm rod mounting groove used for being connected with a pantograph upper arm rod of the tramcar;
the mounting plate I and the mounting plate II are arranged oppositely, are parallel to each other and are vertically and fixedly arranged on the top surface of the mounting rod;
the floating plate is arranged between the mounting plate I and the mounting plate II and is parallel to the mounting plate I and the mounting plate II;
the elastic elements are arranged between the mounting plate I and the floating plate and between the mounting plate II and the floating plate, so that the floating plate can press the elastic elements to realize the floating state of the floating plate;
pantograph bow branch, set up a plurality of pantograph bow branch of being convenient for on mounting panel I and mounting panel II and pass with this logical groove that supplies unsteady board fluctuation, the fixed bow that is equipped with the pantograph on the anterior top surface of pantograph bow branch, the rear portion is located the logical inslot of mounting panel II, the middle part of pantograph bow branch is fixed with the top surface of unsteady board, it installs the round pin body to rotate on the logical inslot wall on mounting panel II to be located, the pantograph bow branch rear portion that is located this logical inslot is articulated with the round pin body, by pantograph bow branch, the round pin body, mounting panel II and mounting bar constitute contact net power supply circuit.
The utility model discloses the technical problem that solve can also realize through following technical scheme, above a tram auxiliary power supply unit, the installation pole be provided with three side by side equidistance, the mutual parallel arrangement of three installation poles, the both ends of installation pole are arranged in respectively on the bottom surface of mounting panel I and mounting panel II.
The utility model discloses the technical problem that solve can also be realized through following technical scheme, above a tram assists power supply unit, mounting panel I and mounting panel II highly the same, the height of floating plate is 0.5-0.7 times of mounting panel I and II heights of mounting panel, logical groove be located mounting panel I or mounting panel II be higher than the part of floating plate, lead to the top surface contact of groove not with mounting panel I or mounting panel II.
The utility model discloses the technical problem that solve can also realize through following technical scheme, above a tram assists power supply unit, the floating plate arrange in the middle part top of installation pole and not fixed with the top surface of installation pole, the bottom surface of floating plate has the radius angle.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above a tram auxiliary power supply unit, the width of floating plate, mounting panel I and mounting panel II the same.
The utility model discloses the technical problem that solve can also be realized through following technical scheme, above a tram auxiliary power supply unit, mounting panel I and the unsteady board between be provided with four elastic element by the equidistance side by side, mounting panel II and unsteady board between be provided with four elastic element by the equidistance side by side.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above a tram assist power supply unit, elastic element's both ends fixed be provided with I side of mounting panel, the fixed insulation board that meets in floating plate side and II sides of mounting panel.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above a tram auxiliary power supply unit, elastic element be air spring.
The utility model discloses the technical problem that solve can also realize through following technical scheme, above a tram auxiliary power supply unit, pantograph bow branch setting be provided with three side by side equidistance, it is perpendicular with pantograph bow branch to arrange the pantograph on the pantograph bow branch top surface in.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The floating plate and the elastic elements arranged on the two sides of the floating plate can enable the bow head to deform the elastic elements when the bow head is slightly vibrated, so that the vibration amplitude of the bow head is reduced, and the structural design is reasonable;
(2) The installation rods are arranged side by side, and the design aim is to better and stably install the device, so that the device is more stable to use;
(3) The elastic elements are arranged side by side, the floating degree of the floating plate can be more stable due to the arrangement, the floating plate can be quickly restored to the initial state as far as possible after the floating is finished, and the operability is high.
Drawings
FIG. 1 is a schematic top view of the apparatus;
fig. 2 is a front view structural schematic diagram of the mounting plate i, the floating plate, the elastic element and the mounting rod.
In the figure, 1, a mounting rod; 2. an upper arm bar mounting groove of the pantograph; 3. a mounting plate I; 4. mounting a plate II; 5. a floating plate; 6. an elastic element; 7. a pantograph head support rod; 8. a through groove; 9. a bow head; 10. an insulating plate; 11. a pin body.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not constitute a limitation to the right thereof.
Example 1, with reference to fig. 1-2, an auxiliary power supply device for a tram, mounted on the upper arm of the pantograph of the tram, comprises,
the mounting rods 1 are formed into a roughly rectangular rod piece and are made of conductive materials, the bottom of each mounting rod 1 is provided with a pantograph upper arm rod mounting groove 2 used for being connected with a pantograph upper arm rod of the tramcar, and each pantograph upper arm rod mounting groove 2 is a rectangular groove and can be in bolted connection with the pantograph upper arm rod of the tramcar;
the mounting plate I3 and the mounting plate II 4 are oppositely arranged, the cross sections of the mounting plate I3 and the mounting plate II 4 are arranged in a rectangular shape and are made of conductive materials, and the mounting plate I3 and the mounting plate II 4 are mutually parallel and are vertically and fixedly arranged on the top surface of the mounting rod 1;
the cross section of the floating plate 5 is formed into a roughly rectangular shape, and the floating plate 5 is arranged between the mounting plate I3 and the mounting plate II 4 and is parallel to the mounting plate I3 and the mounting plate II 4;
the elastic element 6 is arranged between the mounting plate I3 and the floating plate 5 and between the mounting plate II 4 and the floating plate 5, so that the floating plate 5 presses the elastic element 6 to realize the floating state of the floating plate 5;
In embodiment 1, pantograph bow 9 causes the power of overhead line of contact net to pantograph bow branch 7 on, on the body 11 of reintroducing, on reintroducing mounting panel II 4, reintroduce the installation pole 1, finally cause on the upper arm pole of pantograph to can be received the power by the high-voltage wiring board that has the high-voltage line of configuration behind the pantograph, its structural design is reasonable, the tiny mechanical vibration that causes pantograph bow 9 during the traveling can be by the deformation of elastic element 6 and reduce pantograph bow 9's range of rocking.
In embodiment 2, the mounting rods 1 are provided for carrying the entire apparatus, and three of them are provided, which makes the carrying effect thereof more stable.
In embodiment 3, the through grooves 8 on the mounting plates i 3 and ii 4 are designed to allow the pantograph head support rod 7 to move up and down in the through groove 8, so that the floating plate 5 can float up and down, and it should be noted that the elastic elements 6, that is, the following air springs, have certain spring force and can restore to the original state quickly after being deformed, and the number of the air springs is 8, so that the elastic elements 6 after being deformed can restore to the original state quickly after the floating plate 5 floats once, and cannot be in a swing state all the time, and the through grooves 8 on the mounting plates i 3 and ii 4 can limit the floating of the floating plate 5 to the maximum extent, and avoid the state that the floating plate 5 floats all the time without stopping to the rest to the maximum extent.
Embodiment 4, in the auxiliary power supply device for a tramcar according to embodiment 1, the floating plate 5 is disposed above the middle portion of the mounting rod 1 and is not fixed to the top surface of the mounting rod 1, that is, there is no rigid connection between the bottom surface of the floating plate 5 and the top surface of the mounting rod 1, and the bottom surface of the floating plate 5 has a rounded corner.
In the auxiliary power supply device for the tramcar in the embodiment 5 and the embodiment 1, the widths of the floating plate 5, the mounting plate I3 and the mounting plate II 4 are the same.
In embodiment 5, the width values of the floating plate 5, the mounting plate i 3 and the mounting plate ii 4 can be selected by themselves according to the use requirements, and therefore detailed values thereof are not described herein again.
In embodiment 6, the quantity of elastic element 6 can be selected by oneself according to the user demand, and 8 elastic element 6's setting makes floating plate 5 after once floating, and the elastic element 6 after taking place the deformation can the reconversion very fast, and can not be in the swing state all the time to because logical groove 8 on mounting panel I3 and the mounting panel II 4, can carry out spacing to floating plate 5's the furthest that floats to a certain extent, furthest has avoided floating plate 5 to float all the time and the state that does not stop.
In embodiment 7 and 1, the elastic element 6 is provided at both ends thereof with insulating plates 10 fixedly connected to the side surfaces of the mounting plate i 3, the floating plate 5 and the mounting plate ii 4, and the insulating plates 10 may be formed in a square plate structure, and the material thereof may be selected according to the use requirement.
In embodiment 9, the number of the pantograph head support bars 7 is selected according to the use requirement, and the design purpose is to carry the pantograph head 9.
The usage principle of the auxiliary power supply device for the tramcar is as follows:
firstly, installation is carried out: the method comprises the following steps of placing a mounting rod 1, a mounting plate I3, a mounting plate II 4, a floating plate 5, an elastic element 6 and a pantograph head support rod 7 which are configured and connected on an upper arm rod of a pantograph, and connecting the upper arm rod of the pantograph with an upper arm rod mounting groove 2 through bolts;
the principle of electricity collection: the pantograph head 9 leads the power supply of the overhead line of the contact network to the pantograph head support rod 7, then to the pin body 11, then to the mounting plate II 4, then to the mounting rod 1, finally to the upper arm rod of the pantograph, and can receive the power supply by a high-voltage wiring board with a high-voltage wire configured behind the pantograph;
the pantograph head vibration reduction principle is as follows: when the upper arm rod of the pantograph shakes due to vibration caused by small wind speed and small amplitude vibration caused by sundries on a track, the mounting rod 1 fixedly connected with the floating plate 5 also starts to vibrate, the elastic elements 6 are arranged on two sides of the floating plate 5, so that the elastic elements 6 can slightly deform, the elastic elements 6, namely the air springs with certain spring force, can quickly restore the original shape after deformation, and the number of the air springs is 8, so that the elastic elements 6 after deformation can quickly restore the original shape after the floating plate 5 floats once, and cannot be in a swinging state all the time, and the through grooves 8 on the mounting plates I3 and II 4 can limit the floating maximum limit of the floating plate 5 to a certain extent, so that the floating plate 5 is prevented from being in a state of ceaselessness due to the fact that the bow head 9 on the pantograph is prevented from being in unstable contact or jumping contact with an overhead line all the time, the structural design is reasonable, and the pantograph is more stable in power receiving.
Claims (9)
1. The utility model provides a tram auxiliary power supply device, its installs on the pantograph upper boom of tram, its characterized in that: the device comprises a plurality of devices which are connected with each other,
the bottom of the mounting rod is provided with a pantograph upper arm rod mounting groove used for being connected with a pantograph upper arm rod of the tramcar;
the mounting plate I and the mounting plate II are arranged oppositely, are parallel to each other and are vertically and fixedly arranged on the top surface of the mounting rod;
the floating plate is arranged between the mounting plate I and the mounting plate II and is parallel to the mounting plate I and the mounting plate II;
at least one elastic element is arranged between the mounting plate I and the floating plate and between the mounting plate II and the floating plate so that the floating plate can press the elastic element to realize the floating state of the floating plate;
pantograph bow branch, set up a plurality of pantograph bow branch of being convenient for on mounting panel I and mounting panel II and pass with this logical groove that supplies unsteady board fluctuation, the fixed bow that is equipped with the pantograph on the anterior top surface of pantograph bow branch, the rear portion is located the logical inslot of mounting panel II, the middle part of pantograph bow branch is fixed with the top surface of unsteady board, it installs the round pin body to rotate on the logical inslot wall on mounting panel II to be located, the pantograph bow branch rear portion that is located this logical inslot is articulated with the round pin body, by pantograph bow branch, the round pin body, mounting panel II and mounting bar constitute contact net power supply circuit.
2. A tram auxiliary power supply unit according to claim 1, characterized in that: the installation pole equidistance side by side be provided with three, three installation poles parallel arrangement each other, the both ends of installation pole are arranged in respectively on the bottom surface of mounting panel I and mounting panel II.
3. A tram auxiliary power supply unit according to claim 1, characterized in that: the height of the mounting plate I is the same as that of the mounting plate II, the height of the floating plate is 0.5-0.7 times that of the mounting plate I and the mounting plate II, the through groove is located on the portion, higher than the floating plate, of the mounting plate I or the mounting plate II, and the through groove is not in contact with the top surface of the mounting plate I or the mounting plate II.
4. A tram auxiliary power supply unit according to claim 1, characterized in that: the floating plate is arranged above the middle of the mounting rod and is not fixed with the top surface of the mounting rod, and the bottom surface of the floating plate is provided with a fillet.
5. A tram auxiliary power supply unit according to claim 1, characterized in that: the floating plate, the mounting plate I and the mounting plate II are the same in width.
6. A tram auxiliary power supply unit according to claim 1, characterized in that: mounting panel I and floating plate between be provided with four elastic element by the equidistance side by side, mounting panel II and floating plate between be provided with four elastic element by the equidistance side by side.
7. A tram auxiliary power supply unit according to claim 1, characterized in that: and the two ends of the elastic element are fixedly provided with insulating plates fixedly connected with the side surface of the mounting plate I, the side surface of the floating plate and the side surface of the mounting plate II.
8. A tram auxiliary power supply installation as claimed in claim 1, characterized in that: the elastic element is an air spring.
9. A tram auxiliary power supply unit according to claim 1, characterized in that: the pantograph head supporting rods are arranged in three rows at equal intervals, and a pantograph arranged on the top surface of the pantograph head supporting rod is perpendicular to the pantograph head supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221653789.7U CN217705493U (en) | 2022-06-30 | 2022-06-30 | Tram auxiliary power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221653789.7U CN217705493U (en) | 2022-06-30 | 2022-06-30 | Tram auxiliary power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217705493U true CN217705493U (en) | 2022-11-01 |
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ID=83775520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221653789.7U Active CN217705493U (en) | 2022-06-30 | 2022-06-30 | Tram auxiliary power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217705493U (en) |
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2022
- 2022-06-30 CN CN202221653789.7U patent/CN217705493U/en active Active
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