CN212624873U

CN212624873U - Novel high-speed rail contact wire with low abrasion and high current receiving

Info

Publication number: CN212624873U
Application number: CN202021297479.7U
Authority: CN
Inventors: 汤文亮; 马浩航; 桂玉杰; 喻卓成; 袁柯; 万能
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-02-26
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to the technical field of high-speed rail contact wires, and discloses a novel low-abrasion high-current-receiving high-speed rail contact wire, which solves the problems that the high-speed rail contact wires on the current market have short service life and do not have low-abrasion and high-current-receiving characteristics, and comprises a wire body and a mounting frame, wherein the wire body comprises an outer cladding layer, a wear-resisting layer, an insulating layer, a heat-resisting layer, a shielding layer and a protective layer, the upper part of one side of the mounting frame is provided with a connecting frame, the bottom of the connecting frame is fixedly connected with a protective plate, the bottom of the protective plate is fixedly connected with a protective ring, the surface of the protective ring is provided with protective devices at equal intervals, and the wire body is movably connected inside the protective ring, so that the novel low-abrasion and high-current-receiving high-speed rail contact wire not only can effectively reduce the abrasion between a pantograph slide plate and, the cost of the operation department and the workload of maintenance are reduced by times.

Description

Novel high-speed rail contact wire with low abrasion and high current receiving

Technical Field

The utility model belongs to the technical field of the high-speed railway contact wire, specifically be a novel high-speed railway contact wire of low wearing and tearing, high current receiving.

Background

The contact system of high-speed railway is a special form of power transmission line which is erected over railway line and supplies power to electric locomotive, and is formed from contact suspension, supporting device, positioning device, supporting column and foundation.

The existing novel low-abrasion high-current-collection high-speed rail contact line needs to be matched with a pantograph net and needs to be in good contact with a pantograph, a high-speed rail pantograph net system has severe friction under high-speed motion, and the contact line is in contact with a current-collection sliding plate, so that the contact line has friction and is also abraded.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a novel high-speed railway contact line of low wearing and tearing, high current collection, the effectual problem of solving above-mentioned background art high-speed railway contact line life weak point and do not have low wearing and tearing, high current collection characteristic.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel high-speed railway contact line of low wearing and tearing, high current-receiving, includes the line body and mounting bracket, the line body includes surrounding layer, wearing layer, insulating layer, heat-resisting layer, shielding layer and protective layer, and the link is installed on the upper portion of mounting bracket one side, the bottom fixedly connected with guard plate of link, the bottom fixedly connected with guard ring of guard plate, protection device is installed to the surface equidistance of guard ring, line body swing joint is in the inside of guard ring.

Preferably, a wear-resistant layer, an insulating layer, a heat-resistant layer and a shielding layer are sequentially connected between the outer cladding layer and the protective layer, and the insulating layer and the heat-resistant layer are arranged between the wear-resistant layer and the shielding layer.

Preferably, the outer cladding layer is made of copper alloy material.

Preferably, protection device includes the dead lever, and extrusion spring, rotation frame, dwang and gyro wheel, the one end of dead lever runs through and extends to the inside of guard circle, and the dead lever is located the inside one end fixedly connected with rotation frame of guard circle, rotates to rotate between the both sides of frame inner chamber and is connected with the dwang, and the surface of dwang rotates and is connected with the gyro wheel, the surface contact of gyro wheel and the line body.

Preferably, insulators are mounted on two sides of the bottom of the mounting frame, and the bottom end of each insulator is fixedly connected with the top of the connecting frame.

Preferably, the bottom end of the mounting rack is fixedly connected with a supporting plate, and the two sides of the supporting plate are rotatably connected with mounting screws.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) during the operation, the wire body, the outer cladding layer, the wear-resistant layer, the insulating layer, the heat-resistant layer, the shielding layer and the protective layer are arranged, so that in the process of using the wire body in contact with a high-speed rail, the outer cladding layer, the wear-resistant layer, the insulating layer, the heat-resistant layer, the shielding layer and the protective layer on the surface of the wire body improve the quality of the whole wire body and prolong the service life of the wire body, the abrasion between a pantograph slide plate and a contact wire can be effectively reduced, the current collection condition can be well improved, the current collection quality is greatly improved, the reliable operation of an electric locomotive is ensured, and the cost of an operation department and the maintenance workload are reduced in a;

(2) the utility model discloses a high-speed railway contact line, including the line body, the line body is fixed with the gyro wheel, through being provided with mounting bracket, guard ring, dead lever, extrusion spring, rotation frame, dwang and gyro wheel, make the guard ring support and protect the line body, utilize dead lever and extrusion spring to carry on spacingly to the line body of different thicknesses simultaneously, recycle dwang and gyro wheel and reduce the wearing and tearing of line body surface material, whole device reasonable in design has strengthened the life of high-speed railway contact line greatly, has improved life-span.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

fig. 2 is a schematic structural view of the wire body of the present invention;

fig. 3 is a schematic structural view of the protection device of the present invention;

in the figure: 1. a wire body; 101. an outer cladding; 102. a wear layer; 103. an insulating layer; 104. a heat-resistant layer; 105. a shielding layer; 106. a protective layer; 2. a mounting frame; 3. a connecting frame; 4. a protection plate; 5. a guard ring; 6. a protection device; 61. fixing the rod; 62. a compression spring; 63. rotating the frame; 64. rotating the rod; 65. a roller; 7. an insulator; 8. a support plate; 9. and (5) mounting screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Embodiment one, given by fig. 1 and 2, the utility model discloses, including the line body 1 and mounting bracket 2, the line body 1 includes surrounding layer 101, wearing layer 102, insulating layer 103, heat-resisting layer 104, shielding layer 105 and protective layer 106, link 3 is installed on the upper portion of mounting bracket 2 one side, utilize link 3 to be convenient for improve the high current-receiving nature that the line body 1 used, link 3's bottom fixedly connected with guard plate 4, the bottom fixedly connected with guard ring 5 of guard plate 4, utilize guard plate 4 to be convenient for improve the stability of guard ring 5, protection device 6 is installed to guard ring 5's surperficial equidistance, line body 1 swing joint is in the inside of guard ring 5, utilize guard ring 5 to protect line body 1.

In the second embodiment, based on the first embodiment, as shown in fig. 2, a wear-resistant layer 102, an insulating layer 103, a heat-resistant layer 104 and a shielding layer 105 are sequentially connected between the outer cladding 101 and the protection layer 106, and the insulating layer 103 and the heat-resistant layer 104 are installed between the wear-resistant layer 102 and the shielding layer 105, so as to increase the wear resistance of the entire wire body 1.

In the third embodiment, based on the first embodiment, as shown in fig. 2, the outer cladding 101 is made of a copper alloy material, which is convenient for increasing usability.

Fourth embodiment, on the basis of first embodiment, as shown in fig. 1 and 3, the protection device 6 includes a fixing rod 61, an extrusion spring 62, a rotating frame 63, a rotating rod 64 and a roller 65, one end of the fixing rod 61 penetrates through and extends to the inside of the protection ring 5, the fixing rod 61 is located at one end of the inside of the protection ring 5 and is fixedly connected with the rotating frame 63, the rotating rod 64 is rotatably connected between two sides of the inner cavity of the rotating frame 63, the roller 65 is rotatably connected on the surface of the rotating rod 64, the roller 65 is in surface contact with the wire body 1, and the service life of the wire body 1 can be prolonged by using the roller 65.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1, insulators 7 are mounted on two sides of the bottom of the mounting frame 2, the bottom end of each insulator 7 is fixedly connected with the top of the corresponding connecting frame 3, and the connecting frames 3 are driven by the insulators 7 to conduct electricity.

Sixth embodiment, on the basis of the first embodiment, as shown in fig. 1, a supporting plate 8 is fixedly connected to the bottom end of the mounting frame 2, mounting screws 9 are rotatably connected to both sides of the supporting plate 8, the whole mounting frame 2 is stably mounted by the mounting screws 9, and the mounting screws 9 are used for connecting the ground.

The working principle is as follows: the during operation, utilize mounting screw 9 and backup pad 8 to accomplish and install mounting bracket 2, then, pass whole line body 1 from the inside of guard ring 5, the line body 1 utilizes dead lever 61 and extrusion spring 62 to accomplish the spacing to line body 1 at the in-process that passes guard ring 5, can be fit for the line body 1 of different thicknesses and use, line body 1 is carrying out the in-process that the high-speed railway contact was used, through surperficial surrounding layer 101, wearing layer 102, insulating layer 103, heat-resistant layer 104, shielding layer 105 and protective layer 106, improve the quality of whole line body 1, strengthen life, and, along with line body 1 is inside guard ring 5, be convenient for reduce the wearing and tearing on line body 1 surface through dwang 64 and gyro wheel 65, and the usability is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel high-speed railway contact line of low wearing and tearing, high current receiving, includes line body (1) and mounting bracket (2), its characterized in that: the cable body (1) comprises an outer cladding layer (101), a wear-resistant layer (102), an insulating layer (103), a heat-resistant layer (104), a shielding layer (105) and a protective layer (106), a connecting frame (3) is installed on the upper portion of one side of the mounting frame (2), a protection plate (4) is fixedly connected to the bottom of the connecting frame (3), a protection ring (5) is fixedly connected to the bottom of the protection plate (4), protection devices (6) are installed on the surface of the protection ring (5) at equal intervals, and the cable body (1) is movably connected to the inside of the protection ring (5).

2. The novel low-wear high-current high-speed rail contact line according to claim 1, wherein: an abrasion-resistant layer (102), an insulating layer (103), a heat-resistant layer (104) and a shielding layer (105) are sequentially connected between the outer cladding layer (101) and the protective layer (106), and the insulating layer (103) and the heat-resistant layer (104) are arranged between the abrasion-resistant layer (102) and the shielding layer (105).

3. The novel low-wear high-current high-speed rail contact line according to claim 1, wherein: the outer cladding (101) is made of copper alloy material.

4. The novel low-wear high-current high-speed rail contact line according to claim 1, wherein: protection device (6) are including dead lever (61), extrusion spring (62), rotate frame (63), dwang (64) and gyro wheel (65), the inside that the one end of dead lever (61) runs through and extends to guard ring (5), dead lever (61) are located the inside one end fixedly connected with of guard ring (5) and rotate frame (63), it is connected with dwang (64) to rotate between the both sides of frame (63) inner chamber, the surface rotation of dwang (64) is connected with gyro wheel (65), the surface contact of gyro wheel (65) and line body (1).

5. The novel low-wear high-current high-speed rail contact line according to claim 1, wherein: insulators (7) are installed on two sides of the bottom of the mounting frame (2), and the bottom end of each insulator (7) is fixedly connected with the top of the connecting frame (3).

6. The novel low-wear high-current high-speed rail contact line according to claim 1, wherein: the bottom fixedly connected with backup pad (8) of mounting bracket (2), the both sides of backup pad (8) are all rotated and are connected with mounting screw (9).