CN116442861A - Electrified railway suspension system - Google Patents
Electrified railway suspension system Download PDFInfo
- Publication number
- CN116442861A CN116442861A CN202310259765.6A CN202310259765A CN116442861A CN 116442861 A CN116442861 A CN 116442861A CN 202310259765 A CN202310259765 A CN 202310259765A CN 116442861 A CN116442861 A CN 116442861A
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- Prior art keywords
- contact wire
- spring
- busbar
- guide rod
- guide
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- 239000000725 suspension Substances 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 229910000838 Al alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/234—Arrangements for supporting or suspending trolley wires, e.g. from buildings incorporating yielding means or damping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention is applicable to the field of electrified railway power supply systems, and provides an electrified railway suspension system, which comprises a busbar and further comprises: the elastic mechanism is arranged between the guide rod and the busbar and used for elastically supporting the guide rod; the contact wire clamping rod is connected with the guide rod, an adjusting piece is arranged between the guide rod and the contact wire clamping rod, and the adjusting piece can adjust the distance between the guide rod and the contact wire clamping rod; the contact wire clamping rod is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire; and a guide line is connected between the busbar and the fixing mechanism. According to the electrified railway suspension system provided by the invention, when the pantograph does not touch the contact line, the whole system except the busbar and the spring lower seat is borne by the lower spring and is in a balanced state; when the pantograph contacts, the lifting force of the pantograph enables the contact line to lift up with the whole system, so that the flexibility of the system is realized.
Description
Technical Field
The invention belongs to the field of electrified railway power supply systems, and particularly relates to an electrified railway suspension system.
Background
The electrified railway suspension system is used for supplying power to the electric locomotive, and can be divided into a flexible suspension system and a rigid suspension system at present, wherein the flexible suspension system is usually used for circuits with larger outdoor clearance, the rigid suspension system is usually used for circuits with smaller clearance such as subways and tunnels, and the rigid suspension system is compact in structure and suitable for being applied in tunnels.
The main problems of the current domestic electrified railway suspension system application are that compared with an electric locomotive adopting a flexible suspension system, the electric locomotive adopting a rigid suspension system has a narrow speed adaptation surface, large error of guiding height and pulling out value, and the overall smoothness of a bus is not up to standard, so that hard points are easy to exceed standard; the middle joint collapses, the contact line is off-line, the contact line abrasion is serious, the locating wire clamp is blocked or inflexible, the adjustment allowance is not available, the busbar joint collapses, hard points are formed at the waist, the contact line abrasion is large, the rigid-flexible transition, the expansion joint and the segmented insulator arc discharge phenomenon are prominent, the ablation is serious and the like.
To avoid the above-mentioned technical problems, it is necessary to provide an electrified railway suspension system that overcomes the drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide an electrified railway suspension system, which aims to solve the problems that the speed adaptation surface of an electric locomotive of a rigid suspension system is narrow, the error of a guiding height and a pulling value is large, the overall smoothness of a bus is not up to standard, hard points are easy to exceed standard, and the like.
The invention is realized in such a way that the electrified railway suspension system comprises a busbar, wherein the busbar is made of aluminum alloy material, and the electrified railway suspension system further comprises:
the elastic mechanism is arranged between the guide rod and the busbar and used for elastically supporting the guide rod;
the contact wire clamping rod is connected with the guide rod, an adjusting piece is arranged between the guide rod and the contact wire clamping rod, and the adjusting piece can adjust the distance between the guide rod and the contact wire clamping rod;
the contact wire clamping rod is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire;
and a guide line is connected between the busbar and the fixing mechanism.
According to a further technical scheme, the elastic mechanism comprises a spring lower seat, a lower spring and an anti-collision assembly;
the inner wall of busbar is provided with the step, the spring lower seat is placed on the step of busbar inner wall, the spring lower seat is provided with the through-hole, the guide bar runs through the through-hole of spring lower seat, anticollision subassembly and guide bar fixed connection, anticollision subassembly is used for preventing that the guide bar from taking place the striking with the interior top surface of busbar, the spring cover is established in the guide bar outside down, and the spring setting is under between seat and the anticollision subassembly under the spring.
Further technical scheme, the anticollision subassembly includes spring and spring upper seat, spring upper seat and guide bar fixed connection, spring upper seat fixed connection.
According to a further technical scheme, the fixing mechanism comprises a locknut, a contact wire clamp and a bolt;
the contact wire clamp is connected with a contact wire clamp rod, the bolt penetrates through the contact wire clamp, the bolt is in threaded connection with a locknut, the contact wire clamp clamps and fixes the contact wire, and the current-conducting wire is connected between the busbar and the contact wire clamp.
According to a further technical scheme, the adjusting piece is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively in threaded connection with the guide rod and the contact wire clamping rod.
According to a further technical scheme, the contact wire clamp is U-shaped.
Further technical scheme, spring seat and spring seat down all are provided with the boss, and the boss all is provided with parallel limit relatively, connects through the arc limit between the parallel limit in boss both sides.
According to a further technical scheme, one end of the guide wire is connected with the busbar, and the other end of the guide wire is connected with the contact wire clamp through the positioning bolt.
According to a further technical scheme, a wear-resistant sleeve is arranged between the guide rod and the spring lower seat, and the wear-resistant sleeve is installed in a clearance fit manner with the guide rod.
Compared with the prior art, the invention has the following beneficial effects:
according to the electrified railway suspension system provided by the invention, when the pantograph does not touch the contact line, the whole system except the busbar and the spring lower seat is borne by the lower spring and is in a balanced state; when the pantograph contacts, the lifting force of the pantograph enables the contact line to lift up the whole system (except the bus bar), so that the flexibility of the system is realized; the upper spring has the function of applying downward pressure to the system when the system is lifted up so as not to hard collide with the top of the busbar;
according to the electrified railway suspension system provided by the invention, the contact wire is clamped by the U-shaped contact wire clamp, the contact wire clamp is equal in length to the contact wire, the clamping force is provided by bolting, the smoothness of the contact wire is kept, and the current conducting function is provided; the contact wire clamping rod is fixed with the contact wire clamp, the guide rod is connected with the spring upper seat, the weight of the lower hanging part is conducted to the lower spring, the lower spring bears the weight and reaches balance, the spring lower seat plays a role in bearing the acting force of the lower spring, the spring lower seat is placed on a platform on the inner side of the busbar, the acting force of the hanging part is transmitted to the busbar, the rectangular structure on the lower portion of the spring lower seat plays a guide role, the upper spring is not stressed at ordinary times, and only when the lifting amplitude of the contact wire is overlarge, the upper spring is contacted with the top of the busbar, downward pressure is provided, so that the upper spring seat and the top of the busbar are prevented from hard collision.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic elevational view of the structure of FIG. 1;
fig. 3 is a left side cross-sectional view of fig. 1.
In the accompanying drawings: the bus bar 1, the upper spring 2, the upper spring seat 3, the lower spring 4, the lower spring seat 5, the wear-resistant sleeve 6, the guide rod 7, the adjusting piece 8, the contact wire clamping rod 9, the locknut 10, the contact wire clamp 11, the contact wire 12, the bolt 13 and the guide wire 14.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Embodiment one:
as shown in fig. 1 to 3, the suspension system for an electrified railway provided by the invention comprises a busbar 1 and further comprises:
a guide rod 7, wherein an elastic mechanism is arranged between the guide rod 7 and the busbar 1 and is used for elastically supporting the guide rod 7;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, and the adjusting piece 8 can adjust the distance between the guide rod 7 and the contact wire clamping rod 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guiding line 14 is connected between the busbar 1 and the fixing mechanism.
The adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively in threaded connection with the guide rod 7 and the contact line clamping rod 9.
Description of principle:
the electrified railway suspension system comprises a busbar 1, wherein the busbar 1 is made of aluminum alloy materials and further comprises: the guide rod 7 is provided with an elastic mechanism between the guide rod 7 and the bus bar 1, the elastic mechanism is used for elastically supporting the guide rod 7, and the acting force of the hanging part is transmitted to the bus bar 1 through the elastic mechanism, so that the flexibility of the system is realized;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, and the adjusting piece 8 can adjust the distance between the guide rod 7 and the contact wire clamping rod 9;
the adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively in threaded connection with the guide rod 7 and the contact line clamping rod 9; the rotating adjusting sleeve finely adjusts the distance between the guide rods 7 and the contact wire clamping rods 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guide wire 14 is connected between the busbar 1 and the fixing mechanism and is used for supplying power to the contact wire 12.
Embodiment two:
as shown in fig. 1 to 3, the suspension system for an electrified railway provided by the invention comprises a busbar 1 and further comprises:
a guide rod 7, wherein an elastic mechanism is arranged between the guide rod 7 and the busbar 1 and is used for elastically supporting the guide rod 7;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, and the adjusting piece 8 can adjust the distance between the guide rod 7 and the contact wire clamping rod 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guiding line 14 is connected between the busbar 1 and the fixing mechanism.
The adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively in threaded connection with the guide rod 7 and the contact line clamping rod 9.
The elastic mechanism comprises a spring lower seat 5, a lower spring 4 and an anti-collision assembly;
the inner wall of busbar 1 is provided with the step, spring lower seat 5 is placed on the step of busbar 1 inner wall, spring lower seat 5 is provided with the through-hole, guide bar 7 runs through the through-hole of spring lower seat 5, anticollision subassembly and guide bar 7 fixed connection, anticollision subassembly is used for preventing that guide bar 7 from taking place the striking with the interior top surface of busbar 1, spring 4 cover is established in the guide bar 7 outside down, and spring 4 sets up between spring lower seat 5 and anticollision subassembly down.
Description of principle:
the electrified railway suspension system comprises a busbar 1, wherein the busbar 1 is made of aluminum alloy materials and further comprises: the guide rod 7 is provided with an elastic mechanism between the guide rod 7 and the bus bar 1, the elastic mechanism is used for elastically supporting the guide rod 7, and the acting force of the hanging part is transmitted to the bus bar 1 through the elastic mechanism, so that the flexibility of the system is realized;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, the adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively connected with the guide rod 7 and the contact wire clamping rod 9 through threads; the rotating adjusting sleeve finely adjusts the distance between the guide rods 7 and the contact wire clamping rods 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guide wire 14 is connected between the busbar 1 and the fixing mechanism and is used for supplying power to the contact wire 12;
the inner wall of the busbar 1 is provided with a step, the spring lower seat 5 is placed on the step of the inner wall of the busbar 1, and the spring lower seat 5 supports the weight of the whole movable part; the spring lower seat 5 is provided with the through-hole, guide bar 7 runs through the through-hole of spring lower seat 5, anticollision subassembly and guide bar 7 fixed connection, anticollision subassembly is used for preventing that guide bar 7 and the interior top surface of busbar 1 from taking place to strike, spring 4 cover is established in the guide bar 7 outside down, and spring 4 sets up between spring lower seat 5 and anticollision subassembly down, and spring 4 is used for supporting except that spring lower seat 5's system weight down.
Embodiment III:
as shown in fig. 1 to 3, the suspension system for an electrified railway provided by the invention comprises a busbar 1, wherein the busbar 1 is made of aluminum alloy material, and further comprises:
a guide rod 7, wherein an elastic mechanism is arranged between the guide rod 7 and the busbar 1 and is used for elastically supporting the guide rod 7;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, and the adjusting piece 8 can adjust the distance between the guide rod 7 and the contact wire clamping rod 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guiding line 14 is connected between the busbar 1 and the fixing mechanism.
The adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively in threaded connection with the guide rod 7 and the contact line clamping rod 9.
The elastic mechanism comprises a spring lower seat 5, a lower spring 4 and an anti-collision assembly;
the inner wall of busbar 1 is provided with the step, spring lower seat 5 is placed on the step of busbar 1 inner wall, spring lower seat 5 is provided with the through-hole, guide bar 7 runs through the through-hole of spring lower seat 5, anticollision subassembly and guide bar 7 fixed connection, anticollision subassembly is used for preventing that guide bar 7 from taking place the striking with the interior top surface of busbar 1, spring 4 cover is established in the guide bar 7 outside down, and spring 4 sets up between spring lower seat 5 and anticollision subassembly down.
The anti-collision assembly comprises an upper spring 2 and a spring upper seat 3, wherein the spring upper seat 3 is fixedly connected with a guide rod 7, and the upper spring 2 is fixedly connected with the spring upper seat 3; the upper spring seat 3 and the lower spring seat 5 are respectively provided with a boss, the bosses are respectively provided with parallel sides oppositely, and the parallel sides on two sides of the bosses are connected through arc sides.
A wear-resistant sleeve 6 is arranged between the guide rod 7 and the spring lower seat 5, and the wear-resistant sleeve 6 and the guide rod 7 are installed in a clearance fit manner.
Description of principle:
the electrified railway suspension system comprises a busbar 1, wherein the busbar 1 is made of aluminum alloy materials and further comprises: the guide rod 7 is provided with an elastic mechanism between the guide rod 7 and the bus bar 1, the elastic mechanism is used for elastically supporting the guide rod 7, and the acting force of the hanging part is transmitted to the bus bar 1 through the elastic mechanism, so that the flexibility of the system is realized;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, the adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively connected with the guide rod 7 and the contact wire clamping rod 9 through threads; the rotating adjusting sleeve finely adjusts the distance between the guide rods 7 and the contact wire clamping rods 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guide wire 14 is connected between the busbar 1 and the fixing mechanism and is used for supplying power to the contact wire 12;
the inner wall of the busbar 1 is provided with a step, the spring lower seat 5 is placed on the step of the inner wall of the busbar 1, and the spring lower seat 5 supports the weight of the whole movable part; the spring lower seat 5 is provided with a through hole, the guide rod 7 penetrates through the through hole of the spring lower seat 5, the anti-collision assembly is fixedly connected with the guide rod 7 and is used for preventing the guide rod 7 from colliding with the inner top surface of the busbar 1, the lower spring 4 is sleeved outside the guide rod 7, the lower spring 4 is arranged between the spring lower seat 5 and the anti-collision assembly, and the lower spring 4 is used for supporting the system weight except the spring lower seat 5;
the anti-collision assembly comprises an upper spring 2 and a spring upper seat 3, wherein the spring upper seat 3 is fixedly connected with a guide rod 7, and the upper spring 2 is fixedly connected with the spring upper seat 3; the upper spring seat 3 and the lower spring seat 5 are respectively provided with a boss, the bosses are respectively provided with parallel sides oppositely, and the parallel sides of the bosses are connected through arc sides; the spring lower seat 5 is transversely arranged from the middle of the groove on the inner side of the busbar 2 in the mounting process, is arranged from bottom to top, and is arranged on a platform on the inner side of the busbar 1 after being rotated for 90 degrees;
the rectangular structure at the lower part of the spring lower seat 5 plays a role in guiding, the upper spring 2 is not stressed at ordinary times, and only when the lifting amplitude of the contact line 12 is too large, the upper spring 2 is contacted with the top of the busbar 1, and then downward pressure is provided to prevent the hard collision between the spring upper seat 3 and the top of the busbar 1;
when the pantograph does not touch the contact line 12, the whole system except the busbar 1 and the spring lower seat 5 bears all the weight by the lower spring 4 and is in a balanced state; when the pantograph contacts, the lifting force of the pantograph enables the contact line 12 to lift up with the whole system (except the busbar 1), so that the flexibility of the system is realized; the upper spring 2 acts to exert a downward pressure on the system when it is lifted up so as not to hard collide with the top of the busbar 1.
Embodiment four:
as shown in fig. 1 to 3, the suspension system for an electrified railway provided by the invention comprises a busbar 1, wherein the busbar 1 is made of aluminum alloy material, and further comprises:
a guide rod 7, wherein an elastic mechanism is arranged between the guide rod 7 and the busbar 1 and is used for elastically supporting the guide rod 7;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, and the adjusting piece 8 can adjust the distance between the guide rod 7 and the contact wire clamping rod 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guiding line 14 is connected between the busbar 1 and the fixing mechanism.
The adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively in threaded connection with the guide rod 7 and the contact line clamping rod 9.
The elastic mechanism comprises a spring lower seat 5, a lower spring 4 and an anti-collision assembly;
the inner wall of busbar 1 is provided with the step, spring lower seat 5 is placed on the step of busbar 1 inner wall, spring lower seat 5 is provided with the through-hole, guide bar 7 runs through the through-hole of spring lower seat 5, anticollision subassembly and guide bar 7 fixed connection, anticollision subassembly is used for preventing that guide bar 7 from taking place the striking with the interior top surface of busbar 1, spring 4 cover is established in the guide bar 7 outside down, and spring 4 sets up between spring lower seat 5 and anticollision subassembly down.
The anti-collision assembly comprises an upper spring 2 and a spring upper seat 3, wherein the spring upper seat 3 is fixedly connected with a guide rod 7, and the upper spring 2 is fixedly connected with the spring upper seat 3; the upper spring seat 3 and the lower spring seat 5 are respectively provided with a boss, the bosses are respectively provided with parallel sides oppositely, and the parallel sides on two sides of the bosses are connected through arc sides.
The wear-resistant sleeve 6 is arranged between the guide rod 7 and the spring lower seat 5, the wear-resistant sleeve 6 and the guide rod 7 are installed in a clearance fit manner, and the wear-resistant sleeve 6 provides a guiding effect and a antifriction effect.
The fixing mechanism comprises a locknut 10, a contact wire clamp 11 and a bolt 13;
the contact wire clamp 11 is U-shaped, the contact wire clamp 11 is connected with the contact wire clamp rod 9, the bolt 13 penetrates through the contact wire clamp 11, the bolt 13 is in threaded connection with the locknut 10, the contact wire clamp 11 clamps and fixes the contact wire 12, and the current-conducting wire 14 is connected between the busbar 1 and the contact wire clamp 11;
one end of the current-guiding wire 14 is connected with the busbar 1, and the other end of the current-guiding wire 14 is connected with the contact wire clamp 11 through a positioning bolt.
Description of principle:
the electrified railway suspension system comprises a busbar 1, wherein the busbar 1 is made of aluminum alloy materials and further comprises: the guide rod 7 is provided with an elastic mechanism between the guide rod 7 and the bus bar 1, the elastic mechanism is used for elastically supporting the guide rod 7, and the acting force of the hanging part is transmitted to the bus bar 1 through the elastic mechanism, so that the flexibility of the system is realized;
the guide rod 7 is connected with a contact wire clamping rod 9, an adjusting piece 8 is arranged between the guide rod 7 and the contact wire clamping rod 9, the adjusting piece 8 is an adjusting sleeve, two sections of threads with opposite directions are arranged in the adjusting sleeve, and the two sections of threads are respectively connected with the guide rod 7 and the contact wire clamping rod 9 through threads; the rotating adjusting sleeve finely adjusts the distance between the guide rod 7 and the contact wire clamping rod 9, so that the height of the contact wire 12 is finely adjusted;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire 12;
a current guide wire 14 is connected between the busbar 1 and the fixing mechanism and is used for supplying power to the contact wire 12;
the inner wall of the busbar 1 is provided with a step, the spring lower seat 5 is placed on the step of the inner wall of the busbar 1, and the spring lower seat 5 supports the weight of the whole movable part; the spring lower seat 5 is provided with a through hole, the guide rod 7 penetrates through the through hole of the spring lower seat 5, the anti-collision assembly is fixedly connected with the guide rod 7 and is used for preventing the guide rod 7 from colliding with the inner top surface of the busbar 1, the lower spring 4 is sleeved outside the guide rod 7, the lower spring 4 is arranged between the spring lower seat 5 and the anti-collision assembly, and the lower spring 4 is used for supporting the system weight except the spring lower seat 5;
the anti-collision assembly comprises an upper spring 2 and a spring upper seat 3, wherein the spring upper seat 3 is fixedly connected with a guide rod 7, and the upper spring 2 is fixedly connected with the spring upper seat 3; the upper spring seat 3 and the lower spring seat 5 are respectively provided with a boss, the bosses are respectively provided with parallel sides oppositely, and the parallel sides of the bosses are connected through arc sides; the spring lower seat 5 is transversely arranged from the middle of the groove on the inner side of the busbar 2 in the mounting process, is arranged from bottom to top, and is arranged on a platform on the inner side of the busbar 1 after being rotated for 90 degrees;
the contact wire 12 is clamped by a U-shaped contact wire clamp 11, the contact wire clamp 11 is equal to the contact wire 12 in length, the contact wire clamp is connected by a bolt 13 to provide clamping force, the smoothness of the contact wire 12 is maintained, and the current conducting function is provided; the contact wire clamping rod 9 is fixed with the contact wire clamp 11, the guide rod 7 is connected with the upper spring seat 3, the weight of the lower hanging part is transmitted to the lower spring 4, the lower spring 4 bears the weight and balances, the lower spring seat 5 bears the acting force of the lower spring 4, the lower spring seat 5 is placed on a platform on the inner side of the busbar 1, the acting force of the hanging part is transmitted to the busbar 1, the rectangular structure on the lower part of the lower spring seat 5 plays a guide role, the upper spring 2 is not stressed at ordinary times, and only when the lifting amplitude of the contact wire 12 is overlarge, the upper spring 2 is contacted with the top of the busbar 1, and then downward pressure is provided to prevent the upper spring seat 3 from hard collision with the top of the busbar 1;
when the pantograph does not touch the contact line 12, the whole system except the busbar 1 and the spring lower seat 5 bears all the weight by the lower spring 4 and is in a balanced state; when the pantograph contacts, the lifting force of the pantograph enables the contact line 12 to lift up with the whole system (except the busbar 1), so that the flexibility of the system is realized; the upper spring 2 acts to exert a downward pressure on the system when it is lifted up so as not to hard collide with the top of the busbar 1.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides an electrified railway suspension, includes the busbar, its characterized in that still includes:
the elastic mechanism is arranged between the guide rod and the busbar and used for elastically supporting the guide rod;
the guide rod is connected with a contact wire clamping rod 9, an adjusting piece is arranged between the guide rod and the contact wire clamping rod 9, and the adjusting piece can adjust the distance between the guide rod and the contact wire clamping rod 9;
the contact wire clamping rod 9 is connected with a fixing mechanism, and the fixing mechanism is fixedly connected with a contact wire;
and a guide line is connected between the busbar and the fixing mechanism.
2. The electrified railway suspension system of claim 1 wherein the resilient mechanism comprises a undershot, a lower spring, and a bump guard;
the inner wall of busbar is provided with the step, the spring lower seat is placed on the step of busbar inner wall, the spring lower seat is provided with the through-hole, the guide bar runs through the through-hole of spring lower seat, anticollision subassembly and guide bar fixed connection, anticollision subassembly is used for preventing that the guide bar from taking place the striking with the interior top surface of busbar, the spring cover is established in the guide bar outside down, and the spring setting is under between seat and the anticollision subassembly under the spring.
3. The electrified railway suspension system of claim 2 wherein the anti-collision assembly comprises an upper spring and an upper spring seat, the upper spring seat being fixedly connected to the guide rod, the upper spring being fixedly connected to the upper spring seat.
4. The electrified railway suspension system of claim 1 wherein the securing mechanism comprises a locknut, a contact clip, and a bolt;
the contact wire clamp is connected with a contact wire clamp rod 9, the bolt penetrates through the contact wire clamp, the bolt is in threaded connection with a locknut, the contact wire clamp clamps and fixes a contact wire, and the guide wire is connected between the busbar and the contact wire clamp.
5. The suspension system of claim 1, wherein the adjusting member is an adjusting sleeve, two threads with opposite directions are arranged in the adjusting sleeve, and the two threads are respectively in threaded connection with the guide rod and the contact wire clamping rod 9.
6. The electrified railway suspension system of claim 1 wherein the contact clip is U-shaped.
7. The electrified railway suspension system of claim 3 wherein the upper spring seat and the lower spring seat are provided with bosses, the bosses are provided with parallel sides opposite to each other, and the parallel sides of the bosses are connected by arc sides.
8. The electrified railway suspension system of claim 4 wherein one end of the current lead is connected to the busbar and the other end of the current lead is connected to the contact clip by a set screw.
9. The electrified railway suspension system of claim 3 wherein a wear sleeve is disposed between the guide rod and the undershot, the wear sleeve being mounted in a clearance fit with the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310259765.6A CN116442861A (en) | 2023-03-17 | 2023-03-17 | Electrified railway suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310259765.6A CN116442861A (en) | 2023-03-17 | 2023-03-17 | Electrified railway suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116442861A true CN116442861A (en) | 2023-07-18 |
Family
ID=87127939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310259765.6A Pending CN116442861A (en) | 2023-03-17 | 2023-03-17 | Electrified railway suspension system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858524A (en) * | 2023-09-01 | 2023-10-10 | 中铁建电气化局集团轨道交通器材有限公司 | Device and method for testing energy consumption performance of elastic damping positioning wire clamp |
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2023
- 2023-03-17 CN CN202310259765.6A patent/CN116442861A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858524A (en) * | 2023-09-01 | 2023-10-10 | 中铁建电气化局集团轨道交通器材有限公司 | Device and method for testing energy consumption performance of elastic damping positioning wire clamp |
| CN116858524B (en) * | 2023-09-01 | 2023-11-28 | 中铁建电气化局集团轨道交通器材有限公司 | Device and method for testing energy consumption performance of elastic damping positioning wire clamp |
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