CN214164739U

CN214164739U - Pantograph for track traffic

Info

Publication number: CN214164739U
Application number: CN202022532598.2U
Authority: CN
Inventors: 张晓晖
Original assignee: Sichuan Hengshunda Electromechanical Equipment Co ltd
Current assignee: Sichuan Hengshunda Electromechanical Equipment Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-09-10
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a pantograph for track traffic relates to track traffic technical field, specifically is a pantograph for track traffic, including the pantograph chassis, the below fixed mounting of pantograph chassis has vertical damping spring, the below fixedly connected with shock attenuation underframe of pantograph chassis, the fixed cover of shock attenuation underframe is in vertical damping spring's outside. This pantograph for track traffic, set up vertical damping spring through the below at the pantograph chassis, utilize simultaneously to fix the fixed cover of shock attenuation underframe and connect vertical damping spring's outside, install the below at the pantograph chassis with the shock attenuation underframe, install horizontal damping spring in the left and right sides of pantograph chassis afterwards, install horizontal fender frame in horizontal damping spring's outside simultaneously, be located the left and right sides of pantograph chassis, the convenience is when starting and parking, carry out the shock attenuation through horizontal damping spring, protect the pantograph through vertical damping spring when jolting simultaneously.

Description

Pantograph for track traffic

Technical Field

The utility model relates to a track traffic technical field specifically is a pantograph for track traffic.

Background

The electric equipment for obtaining electric energy from contact net of electric traction locomotive is mounted on the roof of locomotive or bullet train, and the pantograph can be divided into two types of single-arm pantograph and double-arm pantograph, and the diamond pantograph, also called diamond pantograph, is very general in the past, and is gradually eliminated due to higher maintenance cost and easy disconnection of contact net in the course of fault.

Some problems can exist in the use of current pantograph, because of the position of pantograph is as for the top of trolley-bus, and the start-up of trolley-bus can twine inertia with stopping, the not hard up condition can appear in the pantograph device after long-term use, be unfavorable for the long-term safe use of device, and the pantograph setting is in the top of device, when the high-speed motion of point shooting, can receive the condition of external force occasionally and jolt, the unstable condition can appear in the pantograph after long-term use, there is not external force protection can appear rising striking cable when the lift of pantograph, the condition of decline striking trolley-bus, we provide a pantograph for rail transit for this reason.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a pantograph for track traffic has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a pantograph for track traffic, includes the pantograph chassis, the below fixed mounting of pantograph chassis has vertical damping spring, the below fixedly connected with shock attenuation underframe of pantograph chassis, the fixed cover of shock attenuation underframe is in vertical damping spring's outside, the left and right ends fixed mounting of pantograph chassis has horizontal damping spring, the left and right sides fixedly connected with horizontal fender bracket of pantograph chassis, the fixed cover of horizontal fender bracket is in the outside of horizontal damping spring, the front and back fixed mounting of shock attenuation underframe has the fixed block, the inboard fixed mounting of pantograph chassis right-hand member has the lift bow gasbag, the left end swing joint who rises the bow gasbag has the underarm, the top fixed mounting of the left end of underarm has the upper arm, the left end the left side swing joint of horizontal fender bracket has the guide arm, the top fixed mounting of upper arm right-hand member has the bow, the carbon slide is fixedly mounted on the left side and the right side above the bow, the connecting plate is fixedly connected to the lower portion of the bow, the buffer spring is fixedly mounted on the lower portion of the connecting plate, and the hydraulic column is fixedly connected to the lower portion of the buffer spring.

Optionally, the fixed block comprises an inverted U-shaped middle part and a connecting fixed plate, screw holes are formed in the left fixed plate and the right fixed plate of the fixed block, and the fixed block is fixed with the electric car through bolts.

Optionally, the top end of the vertical damping spring is fixedly mounted at the bottom end of the pantograph bottom frame, and the bottom end of the vertical damping spring is fixedly connected with the bottom end of the inner wall of the damping bottom frame.

Optionally, the horizontal damping spring is fixedly installed between the outside of the pantograph bottom frame and the inside of the horizontal protection frame, and the width value of the horizontal protection frame is the same as that of the pantograph bottom frame.

Optionally, the bottom end of the hydraulic column is fixedly connected with the top end of the electric car, and two buffer springs are respectively mounted on the front side and the rear side of the lower arm below the connecting plate.

The utility model provides a pantograph for track traffic possesses following beneficial effect:

1. this pantograph for track traffic, set up vertical damping spring through the below at the pantograph chassis, utilize simultaneously to fix the fixed cover of shock attenuation underframe and connect vertical damping spring's outside, install the below at the pantograph chassis with the shock attenuation underframe, install horizontal damping spring in the left and right sides of pantograph chassis afterwards, install horizontal fender frame in horizontal damping spring's outside simultaneously, be located the left and right sides of pantograph chassis, the convenience is when starting and parking, carry out the shock attenuation through horizontal damping spring, protect the pantograph through vertical damping spring when jolting simultaneously.

2. This pantograph for track traffic through setting up the connecting plate in the below at last arm, makes buffer spring set up in the below of connecting plate, at buffer spring's below installation hydraulic column, and the upper arm upwards promotes when starting, and buffer spring and connecting plate can make the bow slowly rise, prevent that the higher speed of bow from leading to the fact the injury to the cable conductor, and design convenience through the hydraulic column is after the bow is stable, and the slow control spring is in normal condition. When the bow head descends, the buffer spring can effectively play a role in buffering the connecting plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the hydraulic column of the present invention;

fig. 3 is a schematic structural view of the vertical damping spring of the present invention.

In the figure: 1. a pantograph base frame; 2. a vertical damping spring; 3. a damping bottom frame; 4. a lateral damping spring; 5. a transverse protection frame; 6. a fixed block; 7. a bow-lifting air bag; 8. a lower arm; 9. an upper arm; 10. a guide bar; 11. a bow head; 12. a carbon slide plate; 13. a connecting plate; 14. a buffer spring; 15. a hydraulic column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a pantograph for track traffic comprises a pantograph underframe 1, wherein a vertical damping spring 2 is fixedly installed below the pantograph underframe 1, a damping underframe 3 is fixedly connected below the pantograph underframe 1, the damping underframe 3 is fixedly sleeved outside the vertical damping spring 2, the top end of the vertical damping spring 2 is fixedly installed with the bottom end of the pantograph underframe 1, the bottom end of the vertical damping spring 2 is fixedly connected with the bottom end of the inner wall of the damping underframe 3, the vertical damping spring 2 is installed between the pantograph underframe 1 and the damping underframe 3 to play a role in damping, the vertical damping spring 2 is installed between the pantograph underframe 1 and the damping underframe 3, meanwhile, the pantograph underframe 1 and the damping underframe 3 play a role in fixing the vertical damping spring 2, the vertical damping spring 2 is prevented from toppling inside the pantograph underframe 1 and the damping underframe 3 and not working, the vertical damping spring 2 plays a role in damping, the pantograph is prevented from being damaged by the vibration of an electric car in a bumpy road section through the design of a vertical damping spring 2, the left and right ends of a pantograph underframe 1 are fixedly provided with a transverse damping spring 4, the left and right sides of the pantograph underframe 1 are fixedly connected with a transverse protection frame 5, the transverse protection frame 5 is fixedly sleeved outside the transverse damping spring 4, the transverse damping spring 4 is fixedly arranged between the outside of the pantograph underframe 1 and the inside of the transverse protection frame 5, the width value of the transverse protection frame 5 is the same as that of the pantograph underframe 1, the transverse protection frame 5 plays a role in preventing the inertia of the electric car from damaging the pantograph when starting, the damping effect is effectively played through the design of the transverse damping spring 4, meanwhile, the situation that the pantograph falls off when being received by the inertia is prevented when the electric car is in emergency stop, the damping effect is not beneficial to the normal operation of the electric car, and fixed blocks 6 are fixedly arranged at the front end and the rear end of the damping underframe 3, the fixing block 6 is composed of an inverted U-shaped middle part and a plurality of fixing pieces, screw holes are formed in the left fixing piece and the right fixing piece of the fixing block 6, the fixing block 6 is fixed with the electric car through bolts, the fixing block 6 plays a role in auxiliary fixing, the pantograph can be stably fixed above the electric car through the design of the fixing block 6, unstable current collection caused by the shaking of the pantograph is prevented, meanwhile, the pantograph is fixed above the electric car through bolts, the disassembly of the pantograph is facilitated, a pantograph lifting air bag 7 is fixedly installed on the inner side of the right end of a pantograph underframe 1, the left end of the pantograph lifting air bag 7 is movably connected with a lower arm 8, an upper arm 9 is fixedly installed above the left end of the lower arm 8, a guide rod 10 is movably connected to the left side of a left-end transverse protection frame 5, a pantograph head 11 is fixedly installed above the right end of the upper arm 9, carbon sliding plates 12 are fixedly installed on the left end and the right end above the pantograph head 11, and a connecting plate 13 is fixedly connected below the pantograph head 11, a buffer spring 14 is fixedly arranged below the connecting plate 13, a hydraulic column 15 is fixedly connected below the buffer spring 14, the bottom end of the hydraulic column 15 is fixedly connected with the top end of the electric car, two buffer springs 14 are respectively arranged below the connecting plate 13 and positioned at the front side and the rear side of the lower arm 8, through the design of the connecting plate 13, the buffer spring 14 and the hydraulic column 15, the impact of the pantograph on a cable or an electric car in the up-and-down process can be effectively reduced, when the bow head 11 is controlled to ascend, firstly, the hydraulic column 15 is fixed, the connecting plate 13 pulls the buffer spring 14, the buffer spring 14 is in a stretching state, then, after the bow head 11 slowly ascends until the bow head gradually touches the cable, the hydraulic column 15 is controlled to slowly ascend, the buffer spring 14 is slowly recovered, when the bow 11 descends, the buffer spring 14 can play a good buffer role for the bow 11 by controlling the hydraulic column 15 and the bow 11 to descend slowly.

In summary, when the pantograph for rail transit is used, firstly, when the electric car is started, the pantograph device receives the inertia force of the electric car, moves backwards, then the transverse damping spring 4 damps the shock, the transverse damping spring 4 compresses between the transverse protective frame 5 and the pantograph underframe 1, the transverse damping spring 4 damps the inertia, then when the electric car passes through a bumpy road section in the running process of the electric car, the vibration force of the electric car is upwards transmitted, the shock is damped when the electric car passes through the vertical damping spring 2, then the received vibration force of the pantograph underframe 1 is smaller, when the pantograph 11 is controlled to ascend through the pantograph-ascending air bag 7, the pantograph 11 drives the connecting plate 13 to ascend, the connecting plate 13 stretches the damping spring 14, the damping spring 14 can slowly ascend the pantograph 11 without causing impact force to a cable, and after the pantograph 11 is contacted with the cable, the hydraulic column 15 is controlled to slowly extend out to enable the buffer spring 14 to be in a normal state, when the bow head 11 descends, the hydraulic column 15 is controlled to slowly contract, and the buffer spring 14 prevents the bow head 11 from generating impact force on the top end of the electric car.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pantograph for track traffic, includes pantograph chassis (1), its characterized in that: the lower part of the pantograph chassis (1) is fixedly provided with a vertical damping spring (2), the lower part of the pantograph chassis (1) is fixedly connected with a damping bottom frame (3), the damping bottom frame (3) is fixedly sleeved outside the vertical damping spring (2), the left and right ends of the pantograph chassis (1) are fixedly provided with a transverse damping spring (4), the left and right sides of the pantograph chassis (1) are fixedly connected with a transverse protection frame (5), the transverse protection frame (5) is fixedly sleeved outside the transverse damping spring (4), the front and rear ends of the damping bottom frame (3) are fixedly provided with a fixed block (6), the inner side of the right end of the pantograph chassis (1) is fixedly provided with an pantograph lifting air bag (7), the left end of the pantograph lifting air bag (7) is movably connected with a lower arm (8), the upper end of the left end of the lower arm (8) is fixedly provided with an upper arm (9), the left end the left side swing joint of horizontal bearer bar (5) has guide arm (10), the top fixed mounting of upper arm (9) right-hand member has bow (11), left and right sides fixed mounting of bow (11) top has carbon slide (12), the below fixedly connected with connecting plate (13) of bow (11), the below fixed mounting of connecting plate (13) has buffer spring (14), the below fixedly connected with hydraulic column (15) of buffer spring (14).

2. The pantograph for rail transit of claim 1, wherein: the fixing block (6) is composed of an inverted U-shaped fixing piece and a fixing piece connected with the U-shaped fixing piece, the fixing piece (6) is provided with screw holes in the left and right sides, and the fixing block (6) is fixed with the electric car through bolts.

3. The pantograph for rail transit of claim 1, wherein: the top of vertical damping spring (2) and the bottom fixed mounting of pantograph chassis (1), the bottom of vertical damping spring (2) and the bottom fixed connection of shock attenuation underframe (3) inner wall.

4. The pantograph for rail transit of claim 1, wherein: horizontal damping spring (4) fixed mounting is between the outside of pantograph chassis (1) and horizontal protecting frame (5) inside, the width value of horizontal protecting frame (5) is the same with the width value of pantograph chassis (1).

5. The pantograph for rail transit of claim 1, wherein: the bottom end of the hydraulic column (15) is fixedly connected with the top end of the electric car, and two buffer springs (14) are respectively arranged below the connecting plate (13) and positioned on the front side and the rear side of the lower arm (8).