CN209833368U - High-speed pantograph contact bow - Google Patents

Abstract

The utility model discloses a high-speed pantograph contact bow, which comprises an auxiliary plate, a support rod, a sliding plate and a bow body, wherein a first spring is welded on the upper surface of the bow body, the first spring is transversely installed, the support rod is inserted in the bow body, a second spring is welded in the support rod, the second spring is longitudinally installed, the auxiliary plate is welded on the upper surface of the support rod, a limit groove is arranged on the outer end surface of one side of the auxiliary plate, a third spring is welded on the inner wall of the auxiliary plate, a fixed plate is welded on the lower surface of the third spring, limit rods are welded on the outer end surface of one side of the sliding plate, the two limit rods are inserted in the limit groove, the fixed plate is lapped with the limit rods, a second through hole is arranged on the lower surface of the auxiliary plate, a first through hole is arranged on the lower surface of the limit rods, and the lower surfaces of the first through hole and the second through hole are in threaded connection with fixing bolts. The utility model discloses be convenient for change the slide.

Description

High-speed pantograph contact bow

Technical Field

The utility model relates to a technical field of pantograph specifically is a high-speed pantograph contact bow.

Background

The pantograph is an electric device for an electric traction locomotive to obtain electric energy from a contact net and is arranged on the roof of the locomotive or a bullet train. The pantograph can be divided into a single-arm pantograph and a double-arm pantograph, and is composed of a sliding plate, an upper frame, a lower arm rod (a lower frame for the double-arm pantograph), a bottom frame, a pantograph lifting spring, a transmission cylinder, a supporting insulator and the like. Diamond pantographs, also called diamond pantographs, have been popular before, and have been gradually eliminated due to high maintenance cost and easy disconnection of contact lines in case of failure, and in recent years, single-arm pantographs (see the figure) have been used in many cases. The smoothness of the load current through the contact line and the contact surface of the pantograph slider, which is related to the contact pressure, the transition resistance and the contact area between the slider and the contact line, depends on the interaction between the pantograph and the contact line.

Carbon slide is installed to present pantograph bow department, is convenient for and the contact net contact, but present bow installation carbon slide be not convenient for change, when the carbon slide is impaired, need change whole support, the operation is inconvenient, and the incremental cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed pantograph contact bow possesses the advantage of being convenient for change slide, has solved present pantograph bow department and has installed the carbon slide, is convenient for and contact net contact, but present bow installation carbon slide is not convenient for change, when the carbon slide is impaired, needs to change whole support, and the operation is inconvenient, and the problem of incremental cost.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-speed pantograph contact bow, includes subplate, bracing piece, slide and bow body, the last surface welding of bow body has first spring, the bracing piece is pegged graft in the inside of bow body, and the inside welding of bracing piece has the second spring, the subplate welding is at the upper surface of bracing piece, and the outer terminal surface in one side of subplate has seted up the spacing groove, the welding has the third spring on the inner wall of subplate, and the lower skin weld of third spring has the fixed plate, the outer skin weld in one side of slide has the gag lever post, and the gag lever post is pegged graft in the inside of spacing groove, fixed plate and gag lever post overlap joint, the second through-hole has been seted up to the lower surface of subplate, first through-hole has been seted up to the lower surface of gag lever post, the lower surface threaded connection of first through-hole and second.

Preferably, the first spring is transversely mounted.

Preferably, the number of the third springs is eight, and every four of the eight third springs form a group, and each group of the third springs is distributed in a rectangular array relative to the limiting groove.

Preferably, the second spring is mounted longitudinally.

Preferably, the limiting rods are arranged in two, and the two limiting rods are symmetrically distributed on the upper surface of the sliding plate.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up the gag lever post, the slide, fixing bolt, fixed plate and third spring, the effect of being convenient for change the slide has been reached, peg graft the gag lever post in the spacing groove, fixing bolt screws, can fix the slide on the subplate, when slide and contact net contact, the friction produces the striking, slide extrusion gag lever post, gag lever post extrusion spacing groove, spacing groove extrusion fixed plate, fixed plate extrusion third spring, the impact can be cushioned to the third spring, the protection gag lever post does not fracture because of the striking, the life of increase slide, it is more convenient to use, and the practicality is stronger.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a of the present invention.

In the figure: 1. a sub-board; 2. a support bar; 3. a first spring; 4. a slide plate; 5. a second spring; 6. a bow head body; 7. a third spring; 8. a fixing plate; 9. fixing the bolt; 10. a first through hole; 11. a second through hole; 12. a limiting groove; 13. a limiting rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: the utility model provides a high-speed pantograph contact bow, including subplate 1, bracing piece 2, slide 4 and bow body 6, the last skin weld of bow body 6 has first spring 3, first spring 3 adopts horizontal installation, bracing piece 2 pegs graft in the inside of bow body 6, and the inside welding of bracing piece 2 has second spring 5, second spring 5 adopts vertical installation, subplate 1 welds the upper surface at bracing piece 2, and the outer terminal surface in one side of subplate 1 has seted up spacing groove 12, the welding has third spring 7 on the inner wall of subplate 1, third spring 7 is equipped with eight altogether, and every four of eight third spring 7 are a set of, every group third spring 7 is rectangular array distribution about spacing groove 12, the lower skin weld of third spring 7 has fixed plate 8.

The outer end face of one side of the sliding plate 4 is welded with two limiting rods 13, the two limiting rods 13 are arranged, the two limiting rods 13 are symmetrically distributed on the upper surface of the sliding plate 4, the limiting rods 13 are inserted in the limiting grooves 12, the fixing plate 8 is in lap joint with the limiting rods 13, the lower surface of the auxiliary plate 1 is provided with second through holes 11, the lower surface of the limiting rods 13 is provided with first through holes 10, the lower surfaces of the first through holes 10 and the second through holes 11 are in threaded connection with fixing bolts 9, the limiting rods 13 are inserted in the limiting grooves 12, the sliding plate 4 can be fixed on the auxiliary plate 1 by screwing the fixing bolts 9, when the sliding plate 4 is in contact with a contact net, friction generates impact, the sliding plate 4 extrudes the limiting rods 13, the limiting rods 13 extrude the limiting grooves 12, the limiting grooves 12 extrude the fixing plate 8, the fixing plate 8 extrudes the third springs 7, the third springs 7 can buffer impact force, increase slide 4's life, it is more convenient to use, and the practicality is stronger.

The working principle is as follows: peg graft gag lever post 13 in spacing groove 12, the fixing bolt 9 of screwing can be fixed slide 4 on subplate 1, and when slide 4 and contact net contact, the friction produced the striking, slide 4 extrusion gag lever post 13, and gag lever post 13 extrudees spacing groove 12, and spacing groove 12 extrudees fixed plate 8, and fixed plate 8 extrudees third spring 7, and third spring 7 can cushion the impact, protects gag lever post 13 not because of striking fracture, increases slide 4's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a high-speed pantograph contact bow, includes subplate (1), bracing piece (2), slide (4) and bow body (6), its characterized in that: the upper surface of the bow head body (6) is welded with a first spring (3), the support rod (2) is inserted into the bow head body (6), the support rod (2) is welded with a second spring (5), the subplate (1) is welded on the upper surface of the support rod (2), the outer end surface of one side of the subplate (1) is provided with a limit groove (12), the inner wall of the subplate (1) is welded with a third spring (7), the lower surface of the third spring (7) is welded with a fixed plate (8), the outer end surface of one side of the sliding plate (4) is welded with a limit rod (13), the limit rod (13) is inserted into the limit groove (12), the fixed plate (8) is lapped with the limit rod (13), the lower surface of the subplate (1) is provided with a second through hole (11), the lower surface of the limit rod (13) is provided with a first through hole (10), and the lower surfaces of the first through hole (10) and the second through hole (11) are in threaded connection with a fixing bolt (9).

2. A high speed pantograph contact head according to claim 1, wherein: the first spring (3) is transversely mounted.

3. A high speed pantograph contact head according to claim 1, wherein: the number of the third springs (7) is eight, every four of the eight third springs (7) form a group, and each group of the third springs (7) is distributed in a rectangular array relative to the limiting groove (12).

4. A high speed pantograph contact head according to claim 1, wherein: the second spring (5) is longitudinally mounted.

5. A high speed pantograph contact head according to claim 1, wherein: the number of the limiting rods (13) is two, and the two limiting rods (13) are symmetrically distributed on the upper surface of the sliding plate (4).