CN111845360A - Current collector applied to rail transit vehicle and use method - Google Patents
Current collector applied to rail transit vehicle and use method Download PDFInfo
- Publication number
- CN111845360A CN111845360A CN202010739636.3A CN202010739636A CN111845360A CN 111845360 A CN111845360 A CN 111845360A CN 202010739636 A CN202010739636 A CN 202010739636A CN 111845360 A CN111845360 A CN 111845360A
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- spring seat
- tension spring
- current collector
- lug
- support arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/38—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
- B60L5/39—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails from third rail
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
A current collector applied to a rail transit vehicle and a using method thereof solve the problem that the current collector is inconvenient to maintain in the prior art. The current collector comprises a base, supporting plates, a lower supporting arm, an upper swing rod, a lower swing rod and a cylinder, wherein a first tension spring seat and a first lug tension spring seat are arranged between the two supporting plates; the first end of the lower support arm is hinged with the support plate, a lower swing rod is arranged between the middle part of the lower support arm and the first lug-carrying tension spring seat, and a second tension spring seat is arranged between the two lower support arms; the first end of the upper support arm is hinged with an installation plate, and the second end of the upper support arm is hinged with the lower support arm through a second tension spring seat with lugs; it is arranged between the upper support arm and the second tension spring seat; the first spring is arranged between the first tension spring seat and the first lug-carrying tension spring seat; the second spring is arranged between the second tension spring seat and the second lug-equipped tension spring seat; fixed on the base, and the cylinder piston rod is fixedly connected with the first lug-carrying tension spring seat. The invention can facilitate the maintenance of the current collector.
Description
Technical Field
The invention relates to the technical field of rail transit power transmission, in particular to a current collector applied to a rail transit vehicle and a using method.
Background
The current collector, also called as a current collecting boot, refers to a current collecting device of an underground railway electric motor train unit contacting with a third rail. The current collectors are mainly applied to a circuit of a third rail power supply mode, and are arranged at positions, close to the middle part of the outer side of a vehicle, of two sides of a vehicle bogie frame. When in use, the landing gear is put down and when not in use, the landing gear is like an airplane landing gear. The current collector in the prior art has the following defects that (1) the current collector shoe is seriously worn and needs to be replaced in time; (2) when the current collecting boot is maintained, the whole current collector needs to be dismounted, and the mounting and dismounting time is long.
Disclosure of Invention
The invention aims to provide a current collector applied to a rail transit vehicle and a using method thereof, and solves the problems that the current collector is inconvenient to maintain and a current collecting boot is seriously abraded in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a be applied to rail transit vehicle's current collector, it includes the base with locomotive fixed connection, characterized by still includes:
the supporting plates are a pair of supporting plates fixedly connected with the base, a first tension spring seat is arranged between the first ends of the two supporting plates, a first lug-carrying tension spring seat is arranged between the second ends of the two supporting plates, and the first lug-carrying tension spring seat is connected with the supporting plates in a sliding manner;
the two lower support arms correspond to the support plates one by one, the first ends of the lower support arms are hinged with the first ends of the support plates, a lower swing rod is arranged between the middle part of each lower support arm and the first lug-bearing tension spring seat, a second tension spring seat is arranged between the two lower support arms, and the second tension spring seat is connected with the lower support arms in a sliding manner;
the first end of the upper support arm is hinged with a mounting plate for mounting the current receiving boot, and the second end of the upper support arm is hinged with the second end of the lower support arm through a second lug-carrying tension spring seat;
the upper swing rod is arranged between the middle part of the upper support arm and the second tension spring seat;
the first spring is arranged between the first tension spring seat and the first lug-carrying tension spring seat;
the second spring is arranged between the second tension spring seat and the second lug-equipped tension spring seat;
and the cylinder is fixed on the base, and a piston rod of the cylinder is fixedly connected with the first lug-carrying tension spring seat.
Furthermore, an ear plate is fixed at the first end of the supporting plate, and the first end of the lower support arm is hinged and connected with the upper part of the ear plate through a hinge shaft.
Furthermore, the first tension spring seat, the second tension spring seat, the first lug-carrying tension spring seat and the second lug-carrying tension spring seat are all rectangular metal rods.
Furthermore, a first short shaft hinged with the supporting plate is fixed at two ends of the first tension spring seat, a second short shaft hinged with the lower swing rod is fixed at two ends of the first tension spring seat with lugs, a third short shaft hinged with the upper swing rod is fixed at two ends of the second tension spring seat with lugs, and a fourth short shaft hinged with the upper supporting arm is fixed at two ends of the second tension spring seat with lugs.
Furthermore, a first roller is rotatably mounted on the second short shaft, a first long hole is formed in the second end of the supporting plate, and the first roller is arranged in the first long hole in a rolling mode.
Furthermore, a second roller is rotatably mounted on the third short shaft, a second long hole is formed in the first end of the lower support arm, and the second roller is arranged in the second long hole in a rolling mode.
Furthermore, two lower swing rods are arranged between each lower support arm and the second short shaft.
Furthermore, two upper swing rods are arranged between each upper support arm and the third short shaft.
Further, the second end of the upper support arm is U-shaped, and the second end of the lower support arm is arranged in the second end of the upper support arm.
A use method of a current collector applied to a rail transit vehicle comprises the following steps:
(1) the current collection boot and the base on the mounting plate are pressed towards the middle, so that the whole current collector is in a compressed state;
(2) fixedly mounting the base on the locomotive in a bolt connection mode;
(3) the squeezing acting force on the current collection shoe and the base is cancelled, and the current collector stretches under the action of the current collector to enable the current collection shoe to be in contact with the third rail;
(4) when the collecting shoe needs to be replaced, the mounting plate is pressed to the side where the base is located, so that the collecting shoe is separated from the third rail, and then the collecting shoe is detached.
The invention has the beneficial effects that: the current collector applied to the rail transit vehicle and the use method thereof have the advantages that the current collector is simple in structure and easy to process, close contact between the current collecting boot and the third rail is guaranteed through two-stage extension and retraction, the extrusion force between the current collecting boot and the third rail is not too large, and the service life of the current collecting boot is guaranteed. The cylinder is arranged, so that the separation of the current-receiving shoe and the third rail is convenient to realize, and the maintenance is convenient.
Drawings
Fig. 1 is a three-dimensional schematic view of a current collector of the present invention;
fig. 2 is a front view of a current collector of the present invention;
fig. 3 is a left side view of the current collector of the present invention;
fig. 4 is a schematic top view of a current collector of the present invention;
fig. 5 is a rear view of the current collector of the present invention;
FIG. 6 is a front view of the first tension spring seat;
FIG. 7 is a top view of the first tension spring seat;
FIG. 8 is a front view of a first lug tension spring seat;
in the figure: the spring support comprises a base 1, a first threaded hole 11, a first spring 12, a second spring 13, a support plate 2, a first long hole 21, a first tension spring seat 22, a through hole 221, a first short shaft 23, an ear plate 24, a lower support arm 3, a second long hole 31, a first tension spring seat with an ear 32, a support ear 321, a second short shaft 33, a first roller 34, a hinged shaft 4, a lower swing rod 5, a second tension spring seat 51, a third short shaft 52, a second roller 53, an upper support arm 6, a second tension spring seat with an ear 61, a fourth short shaft 62, an upper swing rod 7, an installation plate 8, a second threaded hole 81, a cylinder 9 and a piston rod 91.
Detailed Description
As shown in fig. 1 to 8, the current collector of the present invention mainly includes a base 1, a support plate 2, a lower arm 3, a lower swing rod 5, an upper arm 6, an upper swing rod 7, a mounting plate 8, a first spring 10 and a second spring 13, and the present invention will be described in detail with reference to the drawings.
As shown in fig. 1 to 5, the base 1 is a rectangular metal piece, four corners of the base are rounded, four first threaded holes 11 are formed in the base, bolts penetrate into the first threaded holes, and the base is fixedly connected with the locomotive through the bolts. The utility model discloses a support plate, including base, backup pad, otic placode, and the length of otic placode is greater than the width of backup pad, and the upper surface of otic placode is higher than the upper surface of backup pad like this, and two backup pads are located between two otic placodes in the space, and welded connection between backup pad and the base is fixed with otic placode 24 on the lateral wall of the first end of backup pad, and the otic placode is partly of backup pad, and backup pad and otic placode all set up with the base is perpendicular. As shown in fig. 6 and 7, the first spring seat 22 is disposed between the first ends of the two support plates, and the first spring seat is a substantially rectangular metal rod, the first spring seat is provided with a through hole 221, the two ends of the first spring seat are fixed with first short shafts 23, and the first short shafts are rotatably connected with the support plates and the ear plates at the corresponding ends, so that the first spring seat can rotate relative to the support plates.
A first lug spring seat 32 is provided between the second ends of the two support plates, and as shown in fig. 8, the first lug spring seat is also a substantially rectangular metal rod, a through hole is also provided in the first lug spring seat, a second stub shaft 33 is fixed to both ends of the first lug spring seat, and a first roller 34 is rotatably mounted on the second stub shaft. The first roller is disposed in the first elongated hole of the support plate at the corresponding end so that the first roller can roll in the first elongated hole, and a pair of lug plates 321 are fixed to a side wall of the first lug spring seat facing the first spring seat.
A lower support arm 3 is arranged above each support plate, the lower support arm is substantially a metal plate, a second long hole 31 is arranged at the first end of the lower support arm, the first end of the lower support arm 3 is hinged with the upper part of the lug plate at the corresponding side through a hinge shaft 4, a pair of lower swing rods 5 which are arranged in parallel are arranged between the middle part of the lower support arm 3 and the second short shaft at the corresponding side, the upper ends of the lower swing rods are hinged with the lower support arm 3 through the hinge shaft, and the second short shaft penetrates into the lower ends of the lower swing rods, so that the lower swing rods are hinged with the second short shaft. Each second short shaft is connected with two lower swing rods, and the first roller is arranged between the two lower swing rods.
A first spring 12 is arranged between the first tension spring seat and a support lug on the first lug tension spring seat, and the first roller is close to the first end of the first long hole under the action of the first spring. When the lower support arm is pressed downwards, the lower swing rod can be driven to move, and at the moment, the first roller rolls in the first long hole and moves to one side where the second end of the first long hole is located.
An upper support arm 6 is arranged above the lower support arm, the upper support arm is substantially a metal rod, a mounting plate 8 is hinged to the first end of the upper support arm, a second threaded hole 81 is formed in the mounting plate, a bolt penetrates into the second threaded hole, and the mounting plate is fixedly connected with the current receiving boot through the bolt. The first terminal surface of mounting panel is used for installing the collector shoe, and the second terminal surface of mounting panel is equipped with the arch for with the first end articulated connection of upper arm. The upper support arms are arranged in a pair in the front-back direction, a pair of upper swing rods 7 are arranged between the upper support arms and the lower support arms on the corresponding sides, and the upper swing rods and the lower swing rods are completely identical in structure and shape. The upper end of the upper swing rod is hinged with the upper support arm through a hinge shaft, a second tension spring seat 51 is arranged between the two lower support arms, the second tension spring seat and the first tension spring seat are completely identical in structure and shape, third short shafts 52 are fixed at two ends of the second tension spring seat, second idler wheels 53 are rotatably mounted on the third short shafts, and the second idler wheels are arranged in second long holes on the corresponding sides and can roll in the second long holes. The third short shaft penetrates into the lower ends of the lower swing rods, and the two lower swing rods which are arranged in pairs are arranged on two sides of the second roller.
Go up the second end of support arm and correspond the articulated connection of second end of the lower support arm of side, specifically do: a second lug-equipped tension spring seat 61 is arranged between the second ends of the two lower support arms, the structure and the shape of the second lug-equipped tension spring seat are the same as those of the first lug-equipped tension spring seat, the second end of the upper support arm is of a U-shaped structure, the second end of the lower support arm extends into the second end of the upper support arm, fourth short shafts 62 are fixed at the two ends of the second lug-equipped tension spring seat, and the second end of the upper support arm is hinged with the second end of the lower support arm through the fourth short shafts. A support lug 321 is also arranged on the second lug-bearing tension spring seat, a second spring 13 is arranged between the support lug of the second lug-bearing tension spring seat and the second tension spring seat, and the second roller is close to the second end of the second long hole under the action of the second spring. At this moment, the included angle between the upper support arm and the lower support arm is the largest, when the mounting plate is pressed, the included angle between the upper support arm and the lower support arm is reduced, and at the moment, the second roller rolls towards one side where the first end of the second long hole is located. After the external force is cancelled, the included angle between the upper support arm and the lower support arm is gradually increased under the action of the second spring.
When the locomotive is installed, the base and the locomotive are fixedly installed together, and at the moment, the current receiving boots on the installation plate are tightly contacted and pressed with the third rail under the action of the first spring and the second spring. During the process that the locomotive runs along the track, due to the unevenness of the surface of the track, seams between rails and the like, the locomotive has small-amplitude vibration during the running process, and the current receiving shoe is always in contact with the third rail under the action of the first spring and the second spring. Under the structure that lower support arm, lower pendulum rod, upper support arm, last pendulum rod are constituteed, pressure is unlikely to too big between the collector shoe and the third rail, and then can reduce the wearing and tearing to the collector shoe, and then guarantee the life of collector shoe. When maintenance is needed, in order to facilitate the disassembly of the current-receiving boot and shorten the disassembly time, the base is fixed with the cylinder 9, the piston rod 91 of the cylinder faces the first lug-shaped tension spring seat 32, and the piston rod is fixedly connected with the first lug-shaped tension spring seat. Under the effect of cylinder, can drive first area ear extension spring seat to the one side removal that is close to the cylinder, first gyro wheel rolls to the one side at the second end place of first slot hole this moment, and the second end of lower support arm is close to the base at this moment, receives class boots and third rail separation, alright dismantle from the mounting panel with receiving class boots this moment. When the lower support arm swings downwards, the moving amplitude of the mounting plate is larger, and when the upper support arm swings downwards, the moving amplitude of the mounting plate is smaller.
A use method of a current collector applied to a rail transit vehicle comprises the following steps:
(1) the current collection boot and the base on the mounting plate are pressed towards the middle, so that the whole current collector is in a compressed state;
(2) fixedly mounting the base on the locomotive in a bolt connection mode;
(3) the squeezing acting force on the current collection shoe and the base is cancelled, and the current collector stretches under the action of the current collector to enable the current collection shoe to be in contact with the third rail;
(4) when the collecting shoe needs to be replaced, the mounting plate is pressed to the side where the base is located, so that the collecting shoe is separated from the third rail, and then the collecting shoe is detached.
The current collector has a simple structure, is easy to process, ensures the close contact between the current collecting boot and the third rail through two-stage expansion and contraction, can ensure that the extrusion force between the current collecting boot and the third rail is not too large, and ensures the service life of the current collecting boot. And the stress of the current-receiving shoe is uniform when the locomotive runs in two directions, so the abrasion of the current-receiving shoe is also uniform. The cylinder is arranged, so that the separation of the current-receiving shoe and the third rail is convenient to realize, and the maintenance is convenient.
Claims (10)
1. The utility model provides a be applied to rail transit vehicle's current collector, it includes the base with locomotive fixed connection, characterized by still includes:
the supporting plates are a pair of supporting plates fixedly connected with the base, a first tension spring seat is arranged between the first ends of the two supporting plates, a first lug-carrying tension spring seat is arranged between the second ends of the two supporting plates, and the first lug-carrying tension spring seat is connected with the supporting plates in a sliding manner;
the two lower support arms correspond to the support plates one by one, the first ends of the lower support arms are hinged with the first ends of the support plates, a lower swing rod is arranged between the middle part of each lower support arm and the first lug-bearing tension spring seat, a second tension spring seat is arranged between the two lower support arms, and the second tension spring seat is connected with the lower support arms in a sliding manner;
the first end of the upper support arm is hinged with a mounting plate for mounting the current receiving boot, and the second end of the upper support arm is hinged with the second end of the lower support arm through a second lug-carrying tension spring seat;
the upper swing rod is arranged between the middle part of the upper support arm and the second tension spring seat;
the first spring is arranged between the first tension spring seat and the first lug-carrying tension spring seat;
the second spring is arranged between the second tension spring seat and the second lug-equipped tension spring seat;
and the cylinder is fixed on the base, and a piston rod of the cylinder is fixedly connected with the first lug-carrying tension spring seat.
2. The current collector for rail transit vehicles as claimed in claim 1, wherein the first end of the supporting plate is fixed with an ear plate, and the first end of the lower arm is hinged to the upper portion of the ear plate through a hinge shaft.
3. The current collector applied to the rail transit vehicle as claimed in claim 1, wherein the first tension spring seat, the second tension spring seat, the first lug-carrying tension spring seat and the second lug-carrying tension spring seat are all rectangular metal rods.
4. The current collector applied to the rail transit vehicle as claimed in claim 3, wherein a first short shaft hinged to the support plate is fixed to both ends of the first tension spring seat, a second short shaft hinged to the lower swing rod is fixed to both ends of the first lug-equipped tension spring seat, a third short shaft hinged to the upper swing rod is fixed to both ends of the second tension spring seat, and a fourth short shaft hinged to the upper arm is fixed to both ends of the second lug-equipped tension spring seat.
5. The current collector for rail transit vehicles as claimed in claim 4, wherein the second short shaft is rotatably mounted with a first roller, the second end of the support plate is provided with a first slot, and the first roller is rotatably disposed in the first slot.
6. The current collector for rail transit vehicles as claimed in claim 4, wherein a second roller is rotatably mounted on the third short shaft, a second slot is formed at the first end of the lower arm, and the second roller is rotatably disposed in the second slot.
7. The current collector for rail transit vehicles as claimed in claim 4, wherein two lower swing links are provided between each lower arm and the second short shaft.
8. The current collector for rail transit vehicles as claimed in claim 4, wherein two upper swing links are provided between each upper arm and the third stub axle.
9. The current collector for rail transit vehicles as claimed in claim 1, wherein the second end of the upper arm is "U" shaped and the second end of the lower arm is disposed within the second end of the upper arm.
10. A use method of a current collector applied to a rail transit vehicle comprises the following steps:
(1) the current collection boot and the base on the mounting plate are pressed towards the middle, so that the whole current collector is in a compressed state;
(2) fixedly mounting the base on the locomotive in a bolt connection mode;
(3) the squeezing acting force on the current collection shoe and the base is cancelled, and the current collector stretches under the action of the current collector to enable the current collection shoe to be in contact with the third rail;
(4) when the collecting shoe needs to be replaced, the mounting plate is pressed to the side where the base is located, so that the collecting shoe is separated from the third rail, and then the collecting shoe is detached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739636.3A CN111845360A (en) | 2020-07-28 | 2020-07-28 | Current collector applied to rail transit vehicle and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739636.3A CN111845360A (en) | 2020-07-28 | 2020-07-28 | Current collector applied to rail transit vehicle and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111845360A true CN111845360A (en) | 2020-10-30 |
Family
ID=72948278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010739636.3A Pending CN111845360A (en) | 2020-07-28 | 2020-07-28 | Current collector applied to rail transit vehicle and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111845360A (en) |
-
2020
- 2020-07-28 CN CN202010739636.3A patent/CN111845360A/en active Pending
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