CN219673040U

CN219673040U - Connecting and fixing rivet structure of cantilever base of high-speed rail contact net

Info

Publication number: CN219673040U
Application number: CN202321333455.6U
Authority: CN
Inventors: 颜寿水
Original assignee: Suzhou Zhongxin Precision Industry Co ltd
Current assignee: Suzhou Zhongxin Precision Industry Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-09-12
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a connecting and fixing rivet structure of a cantilever base of a high-speed rail contact net, which comprises a rivet body and a rivet core rod, wherein a rivet end cap is arranged at one end of the rivet body, a connecting hole is formed in the rivet body, the rivet core rod is arranged in the connecting hole, a core rod expansion head is arranged at one end of the rivet core rod, which is far away from the rivet end cap, the core rod expansion head is provided with a first screw hole, an end cover is connected onto the first screw hole in a threaded manner, a second screw hole is formed in the end cover, and a screw is penetrated into the second screw hole. The utility model can solve the problems that the existing cantilever base is usually fixed by using screws or bolts, the screws or bolts are loosened due to vibration generated when high-speed rails pass, and the cantilever base falls off due to severe accidents.

Description

Connecting and fixing rivet structure of cantilever base of high-speed rail contact net

Technical Field

The utility model relates to a rivet structure, in particular to a connecting and fixing rivet structure of a cantilever base of a high-speed rail contact net.

Background

With the development of the age, the life quality of people is continuously improved, and vehicles become indispensable tools in the life of people, wherein high-speed rail brings convenience to the life of people.

The overhead contact system in rail transit is an extremely important component in a traction power supply system. The overhead contact system for rail transit is divided into a flexible contact system and a rigid contact system. The flexible contact net suspension system is a power supply mode that a contact line is fixed at a specific position above a line through a cantilever support and positioning device, and a locomotive takes current from the contact line through a pantograph. In the rail transit industry in recent years, suburban line planning is increasing year by year. In the suburb line contact net passing through the mountain section or the section inside the building structure, the flexible contact net is increasingly used.

The cantilever base is used for installing closed cantilever structure, and current cantilever base uses screw or bolt fastening generally, produces the vibration when the high-speed railway passes by, leads to screw or bolt to become flexible, leads to the cantilever base to drop when serious, causes the occurence of failure.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the existing cantilever base is usually fixed by using screws or bolts, the screws or bolts are loosened due to vibration generated when the high-speed rail passes through, and the cantilever base falls off to cause accidents when the high-speed rail passes through, the connecting and fixing rivet structure of the cantilever base of the high-speed rail contact net is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a connecting fixed rivet structure of high-speed railway contact net cantilever base, includes rivet body and rivet core bar, the one end of rivet body is provided with the rivet end cap, this internal connecting hole that is provided with of rivet, the rivet core bar sets up in the connecting hole, the rivet core bar is kept away from the one end of rivet end cap is provided with the core bar expansion head, be provided with first screw on the core bar expansion head, the spiro union has the end cover on the first screw, be provided with the second screw on the end cover, wear to be equipped with the screw in the second screw.

As a further description of the above technical solution:

the rivet body is provided with a plurality of deformation through holes, and the deformation through holes are arranged along the length direction of the rivet body.

As a further description of the above technical solution:

the deformation through holes are arranged in three, and the three deformation through holes are arranged along the circumferential direction of the rivet body.

As a further description of the above technical solution:

the outer diameter of the core bar expansion head is larger than the inner diameter of the connecting hole.

As a further description of the above technical solution:

threads are arranged on the rivet core rod.

As a further description of the above technical solution:

the end cover is provided with a screw rod which is in threaded connection with the first screw hole.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: according to the utility model, the cantilever base is fixed by adopting a rivet, the rivet consists of a rivet body and a rivet core rod, a first screw hole is formed in the core rod expansion head, an end cover is arranged in the first screw hole, a second screw hole is formed in the end cover, a screw is penetrated in the second screw hole, the purpose of reinforcing the rivet body can be achieved by the arranged screw, and meanwhile, the purpose of limiting the rotation of the rivet body can be achieved by the screw; through the deformation through hole that sets up, the rivet body can warp and form the dog after the loose core to can prevent that the rivet body from droing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a connecting and fixing rivet structure of a cantilever base of a high-speed rail contact net.

Fig. 2 is a perspective view of a connecting and fixing rivet structure of a cantilever base of a high-speed rail contact net.

Fig. 3 is a schematic diagram of the connection between the rivet body and the cantilever base in the structure of connecting and fixing the rivet of the cantilever base of the high-speed rail contact net.

Fig. 4 is a top view of a connecting rivet structure of a cantilever base of a high-speed rail contact net after the rivet body is loose core.

Legend description:

1. a rivet body; 2. a rivet core bar; 3. riveting the end cap; 4. a core rod expansion head; 5. a first screw hole; 6. an end cap; 7. a second screw hole; 8. a screw; 9. a screw; 10. deforming the through hole; 11. a wrist arm base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a connecting fixed rivet structure of high-speed railway contact net cantilever base, includes rivet body 1 and rivet core bar 2, the one end of rivet body 1 is provided with rivet end cap 3, be provided with the connecting hole in the rivet body 1, rivet core bar 2 sets up in the connecting hole, rivet core bar 2 keeps away from the one end of rivet end cap 3 is provided with core bar expansion head 4, be provided with first screw 5 on the core bar expansion head 4, the spiro union has end cover 6 on the first screw 5, be provided with second screw 7 on the end cover 6, wear to be equipped with screw 8 in the second screw 7.

The rivet body 1 is provided with a plurality of deformation through holes 10, and the deformation through holes 10 are arranged along the length direction of the rivet body 1. Is convenient for core pulling.

The deformation through holes 10 are provided with three, and the three deformation through holes 10 are arranged along the circumferential direction of the rivet body 1.

The outer diameter of the core bar expansion head 4 is larger than the inner diameter of the connecting hole.

Threads are arranged on the rivet core rod 2. The rivet core bar is convenient to fix.

The end cover 6 is provided with a screw rod 9, and the screw rod 9 is in threaded connection with the first screw hole 5. The end cover is convenient to install.

The working principle is that the self-cantilever base is fixed by adopting a rivet, the rivet consists of a rivet body and a rivet core rod, a first screw hole is formed in the core rod expansion head, an end cover is arranged in the first screw hole, a second screw hole is formed in the end cover, a screw is penetrated in the second screw hole, the purpose of reinforcing the rivet body can be achieved through the arranged screw, and meanwhile, the purpose of limiting the rotation of the rivet body can be achieved through the screw; through the deformation through-hole that sets up, can warp the formation three dog at self-plugging back rivet body, the clearance between the three dog is equipped with the screw respectively, and the restriction rivet body that can be better rotates, and the dog can prevent that the rivet body from droing.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a connecting fixed rivet structure of high-speed railway contact net cantilever base, its characterized in that, including rivet body (1) and rivet core bar (2), the one end of rivet body (1) is provided with rivet end cap (3), be provided with the connecting hole in rivet body (1), rivet core bar (2) set up in the connecting hole, rivet core bar (2) are kept away from the one end of rivet end cap (3) is provided with core bar expansion head (4), be provided with first screw (5) on core bar expansion head (4), the spiro union has end cover (6) on first screw (5), be provided with second screw (7) on end cover (6), wear to be equipped with screw (8) in second screw (7).

2. The connecting and fixing rivet structure of the cantilever base of the high-speed rail contact net according to claim 1, wherein a plurality of deformation through holes (10) are formed in the rivet body (1), and the deformation through holes (10) are arranged along the length direction of the rivet body (1).

3. The connecting and fixing rivet structure of a cantilever base of a high-speed rail contact net according to claim 2, characterized in that three deformation through holes (10) are provided, and the three deformation through holes (10) are arranged along the circumference of the rivet body (1).

4. The connecting and fixing rivet structure of the cantilever base of the high-speed rail contact net according to claim 1, wherein the outer diameter of the core bar expansion head (4) is larger than the inner diameter of the connecting hole.

5. The connecting and fixing rivet structure of the cantilever base of the high-speed rail contact net according to claim 1, wherein threads are arranged on the rivet core rod (2).

6. The connecting and fixing rivet structure of the cantilever base of the high-speed rail contact net according to claim 1, wherein a screw rod (9) is arranged on the end cover (6), and the screw rod (9) is in threaded connection with the first screw hole (5).