CN215474496U - Pantograph bow shock attenuation reset assembly - Google Patents

Abstract

The utility model discloses a shock-absorbing reset assembly for a pantograph head of a pantograph, which comprises a pantograph head support, a carbon sliding plate assembly and a pantograph angle, wherein the pantograph head support comprises a ceiling tube and balance seats arranged at two ends of the ceiling tube; the carbon slide assembly includes carbon slide and slide bracket, the carbon slide pass through the slide bracket with the spread groove is connected, the slide bracket pass through screw hole, bolt with the spread groove is connected. The carbon slide assembly is connected with the balance seat through the bow angle, so that the carbon slide assembly is prevented from being directly connected with the balance seat to bear force, and the service life of the carbon slide assembly can be effectively prolonged. Meanwhile, the sliding plate bracket of the box girder structure can greatly reduce the weight of the guard plate bracket due to the hollow arrangement of the sliding plate bracket when the structural strength is ensured.

Description

Pantograph bow shock attenuation reset assembly

Technical Field

The utility model relates to the technical field of rail transit, in particular to a shock-absorbing reset assembly for a pantograph head of a pantograph.

Background

Urban rail vehicles for cities mainly comprise subways, light rails or trams and the like, and the vehicles are powered by contacting a pantograph lifting the top of the vehicles with a contact net when running. The pantograph head is an important component of the pantograph, is a component of the pantograph, is in contact with a contact network, has poor working conditions, and directly determines the current collection quality and reliability of the pantograph according to the performance of the pantograph head.

The carbon slide plate of the existing pantograph bow is installed by a carbon slide plate installation table and a bow support (as in the patent with the publication number of CN 111660818A), the complexity and the weight of the pantograph bow are increased by the installation mode, meanwhile, the carbon slide plate is connected with the carbon slide plate installation table through a transverse bolt, and the bolt is subjected to shearing force when the carbon slide plate goes up and down, so that the bolt is easy to break.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a pantograph head damping reset assembly of a pantograph, which is connected with a balance seat through a pantograph angle, so that the carbon sliding plate assembly is prevented from being directly connected with the balance seat to bear force, and the service life of the carbon sliding plate assembly can be effectively prolonged; the carbon sliding plate assembly is connected with the sliding plate bracket through the concave panel, so that the contact area of the carbon sliding plate and the concave panel is increased, the connection stability of the carbon sliding plate and the concave panel can be improved, and meanwhile, the sliding plate bracket with the box girder structure can greatly reduce the weight of the guard plate bracket due to the hollow arrangement of the sliding plate bracket while ensuring the structural strength; the carbon slide plate is connected with the slide plate bracket through the vertical bolt, and when the carbon slide plate assembly moves up and down, the bolt bears tension or pressure, so that the problem that the bolt is transversely arranged and is easily damaged by shearing force is solved.

The purpose of the utility model is realized by the following technical scheme:

a shock-absorbing reset assembly for a pantograph bow comprises a bow support, a carbon slide plate assembly and a bow angle, wherein the bow support comprises a ceiling tube and balance seats arranged at two ends of the ceiling tube;

the carbon sliding plate assembly comprises a carbon sliding plate and a sliding plate bracket, the carbon sliding plate is connected with the connecting groove through the sliding plate bracket, and the sliding plate bracket is connected with the connecting groove through a threaded hole and a bolt;

an air bag spring is arranged between the bow angle and the balance seat, and a guide device used for limiting the motion direction of the carbon sliding plate is arranged between the bow angle and the balance seat.

Further, the connecting groove is V-shaped.

Further, the bow angle is connected with the air bag spring through the base.

Further, the guider includes guide table and sliding block, the guide table with the balance seat is connected, be equipped with vertical sliding tray on the guide table, the sliding block pass through the sliding tray with guide table sliding connection, the one end of sliding block with the base is connected.

Furthermore, the air bag spring comprises a corrugated pipe, a spring, an upper end cover and a lower end cover, the upper end cover and the lower end cover are respectively arranged at two ends of the corrugated pipe, the spring is arranged in the corrugated pipe, and two ends of the spring are respectively connected with the upper end cover and the lower end cover;

the lower end cover is provided with a convex column, the convex column is provided with an air vent communicated with the interior of the corrugated pipe, the convex column is connected with the balance seat, the base is provided with a fixed platform, and the fixed platform is in threaded connection with the upper end cover.

Further, the connection table is connected with the base through bolts.

The utility model has the beneficial effects that:

1) the carbon slide assembly is connected with the balance seat through the bow angle, so that the carbon slide assembly is prevented from being directly connected with the balance seat to bear force, and the service life of the carbon slide assembly can be effectively prolonged. The carbon slide assembly is connected with the slide bracket through the concave panel, the contact area of the carbon slide and the concave panel is increased, the connection stability of the carbon slide and the concave panel can be improved, and meanwhile, the slide bracket of the box girder structure can greatly reduce the weight of the guard plate bracket due to the hollow arrangement of the slide bracket while the structural strength is ensured. The carbon slide plate is connected with the slide plate bracket through the vertical bolt, and when the carbon slide plate assembly moves up and down, the bolt bears tension or pressure, so that the problem that the bolt is transversely arranged and is easily damaged by shearing force is solved.

2) The mode of spring gasbag and balance seat, base threaded connection conveniently dismantles, and the bolt of vertical setting only receives pressure or pulling force when the motion of spring gasbag simultaneously can effectively improve the joint strength between spring gasbag and balance seat, the base.

Drawings

Fig. 1 is a schematic overall structure diagram of a pantograph head damping and resetting assembly in an embodiment of the present invention;

FIG. 2 is a schematic view of a skateboard carriage in an embodiment of the present invention;

FIG. 3 is a schematic view of the bow angle of the embodiment of the present invention;

FIG. 4 is a schematic view showing the structure of a balloon spring in example 1 of the present invention;

FIG. 5 is a schematic view showing the structure of a balloon spring in example 2 of the present invention;

in the figure, 1, a bow bracket; 2. a carbon sled assembly; 3. a bow angle; 4. a ceiling pipe; 5. a balance seat; 6. connecting grooves; 7. a carbon slide plate; 8. a skateboard carriage; 9. an air bag spring; 10. a guide device; 11. a guide table; 12. a slider; 13. a bellows; 14. a spring; 15. an upper end cover; 16. a lower end cover; 17. a convex column; 18. a fixed table; 19. a concave panel; 20. a base plate; 21. an inclined rib plate; 22. a reinforcing plate; 23. a connecting table; 24. a base.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution:

example (b):

as shown in fig. 1-4, a pantograph bow shock-absorbing reset assembly comprises a bow support 1, a carbon slide plate assembly 2 and a bow angle 3, wherein the bow support 1 comprises a ceiling tube 4 and a balance seat 5 arranged at two ends of the ceiling tube 4, the bow angle 3 is arranged on the balance seat 5, an L-shaped connecting platform 23 is arranged at the horizontal section of the bow angle 3, a connecting groove 6 is arranged on the connecting platform 23, and a vertical threaded hole is arranged at the bottom of the connecting groove 6;

the carbon sliding plate assembly 2 comprises a carbon sliding plate 7 and a sliding plate bracket 8, wherein the carbon sliding plate 7 is connected with the connecting groove 6 through the sliding plate bracket 8, and the sliding plate bracket 8 is connected with the connecting groove 6 through a threaded hole and a bolt;

an air bag spring 9 is arranged between the bow angle 3 and the balance seat 5, and a guide device 10 used for limiting the motion direction of the carbon sliding plate 7 is arranged between the bow angle 3 and the balance seat 5.

The connecting groove 6 is V-shaped.

The bow 3 is connected to the airbag spring 9 via a base 24.

As shown in fig. 2, the carbon slide plate bracket 81 comprises a concave panel 19, a bottom plate 20, an inclined rib plate 21 and a vertical reinforcing plate 22, wherein the concave panel 19 is arranged on the bottom surface of the carbon slide plate 7, and two side parts of the concave panel 19 are coated on two side surfaces of the carbon slide plate 7. The sliding plate bracket 8 is arranged in such a way that the strength of the sliding plate bracket 8 can be improved, the service life is ensured, and the middle part of the sliding plate bracket 8 is prevented from collapsing under the stress. 2. The base 24 is connected with the bow corner 3 through bolts and rib plates. 3. The bottom of the sliding plate bracket 8 is provided with a vertical bolt connected carbon sliding plate 7.

The mounting mode not only increases the complexity and the weight of the bow, but also the carbon sliding plate 7 is connected with the mounting platform of the carbon sliding plate 7 through the transverse bolt, and the bolt is easy to break when the carbon sliding plate 7 is lifted and descended.

The carbon sliding plate assembly 2 is connected with the balance seat 5 through the bow angle 3, so that the carbon sliding plate assembly 2 is prevented from being directly connected with the balance seat 5 to bear force, and the service life of the carbon sliding plate assembly 2 can be effectively prolonged. Carbon slide assembly 2 is connected with slide bracket 8 through spill panel 19, has increased the area of contact of carbon slide 7 with the concave type panel, can improve the stability that the two are connected, and slide bracket 8 of "case roof beam" structure is when guaranteeing structural strength simultaneously, because its hollow setting, can alleviate backplate bracket weight by a wide margin. The carbon sliding plate 7 is connected with the sliding plate bracket 8 through the vertical bolt, and when the carbon sliding plate assembly 2 moves up and down, the bolt bears tension or pressure, so that the problem that the bolt is easily damaged by shearing force in the transverse arrangement is solved.

And the arranged spring 14 air bag can play a role in damping and resetting when the carbon sliding plate assembly 2 is lifted.

Further, as shown in fig. 4, the guiding device includes a guiding table 11 and a sliding block 12, the guiding table 11 is connected to the balance base 5, a vertical sliding groove is provided on the guiding table 11, the sliding block 12 is slidably connected to the guiding table 11 through the sliding groove, and one end of the sliding block 12 is connected to the base 24. When carbon slide assembly 2 moves, because the limiting displacement of sliding block 12 and sliding tray, guarantee that carbon slide assembly 2 can only slide along vertical direction, and then can solve the problem of carbon slide assembly 2 eccentric wear.

Further, as shown in fig. 4, the airbag spring 9 includes a bellows 13, a spring 14, an upper end cap 15 and a lower end cap 16, the upper end cap 15 and the lower end cap 16 are respectively disposed at two ends of the bellows 13, the spring 14 is disposed in the bellows 13, and two ends of the spring 14 are respectively connected to the upper end cap 15 and the lower end cap 16;

the lower end cover 16 is provided with a convex column 17, the convex column 17 is provided with an air vent communicated with the interior of the corrugated pipe 13, the convex column 17 is connected with the balance seat 5, the base 24 is provided with a fixed table 18, and the fixed table 18 is in threaded connection with the upper end cover 15. Wherein the fixed platform 18 is coaxial with the upper end cover 15 when connected. The upper end cap 15 is coaxial with the lower end cap 16.

The air vent is used for changing the air pressure in the air bag spring 9, and further the function of damping reset is realized. The fixed table 18 and the fixed table 18 are arranged to facilitate the connection of the air bag with the balance seat 5 and the base 24. When the air bag is connected, the base 24 is lifted to ensure that enough installation space is left between the base 24 and the balance seat 5. The upper end cap 15 of the air-bag spring 9 is then screwed to the fixing table 18. The convex column 17 is in threaded connection or clamping connection with the balance seat 5.

The threaded connection between the air bag assembly and the base 24 and the balance base 5 is convenient to disassemble.

Example 2:

in this embodiment, on the basis of embodiment 1, as shown in fig. 5, the fixing table 18 is connected to the base 24 by bolts.

During assembly: firstly, the fixing table 18 and the upper end cover 15 are fixed, then the convex column 17 is in threaded connection with the balance seat 5, and at the moment, the convex column 17 not only plays a role in connecting the spring 14 air bag and the balance seat 5, but also plays a role in positioning. When the convex column 17 is connected with the balance seat 5, the threaded hole on the fixed platform 18 on the upper end cover 15 is coaxial with the threaded hole on the base 24. Finally, the fixing table 18 is connected with the base 24 through bolts to complete the installation of the spring 14 air bag.

The 14 gasbags of spring and the way of balance seat 5, 24 threaded connection of base are conveniently dismantled, and the bolt of vertical setting only receives pressure or pulling force when 14 gasbags of spring move simultaneously, can effectively improve the joint strength between 14 gasbags of spring and balance seat 5, base 24.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a pantograph bow shock attenuation reset unit, includes bow support, carbon slide assembly, bow angle, the bow support includes the raise tube and sets up the balance seat at raise tube both ends, the bow angle sets up on the balance seat its characterized in that: the horizontal section of the bow angle is provided with an L-shaped connecting table, a connecting groove is arranged on the connecting table, and a vertical threaded hole is formed in the bottom of the connecting groove;

the carbon sliding plate assembly comprises a carbon sliding plate and a sliding plate bracket, the carbon sliding plate is connected with the connecting groove through the sliding plate bracket, and the sliding plate bracket is connected with the connecting groove through a threaded hole and a bolt;

an air bag spring is arranged between the bow angle and the balance seat, and a guide device used for limiting the motion direction of the carbon sliding plate is arranged between the bow angle and the balance seat.

2. The pantograph head shock reducing assembly of claim 1, wherein: the connecting groove is V-shaped.

3. The pantograph head shock reducing assembly of claim 2, wherein: the bow angle is connected with the air bag spring through the base.

4. The pantograph head shock reducing assembly of claim 3, wherein: the guiding device comprises a guiding table and a sliding block, the guiding table is connected with the balance seat, a vertical sliding groove is formed in the guiding table, the sliding block is in sliding connection with the guiding table through the sliding groove, and one end of the sliding block is connected with the base.

5. The pantograph head shock reducing assembly of claim 4, wherein: the air bag spring comprises a corrugated pipe, a spring, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are respectively arranged at two ends of the corrugated pipe;

the lower end cover is provided with a convex column, the convex column is provided with an air vent communicated with the interior of the corrugated pipe, the convex column is connected with the balance seat, the base is provided with a fixed platform, and the fixed platform is in threaded connection with the upper end cover.

6. The pantograph head shock reducing assembly of claim 5, wherein: the connecting table is connected with the base through bolts.

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