CN209921114U

CN209921114U - High-speed railway contact net that facilitates use

Info

Publication number: CN209921114U
Application number: CN201920538747.0U
Authority: CN
Inventors: 金传辉; 金菘
Original assignee: Yangzhou Golden Hill Stainless Steel Co Ltd
Current assignee: Yangzhou Golden Hill Stainless Steel Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-01-10
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a high-speed railway contact net convenient to use in the technical field of high-speed railway contact nets, a buffer device is fixedly welded on the right side of the bottom of a flat cantilever, a fixed block is fixedly welded on the bottom of the buffer device, a positioning stud is screwed on the bottom of the fixed block, a left splint and a right splint are respectively assembled on the left side and the right side of the outer wall of the positioning stud, the left splint and the right splint are tightly connected through a connecting bolt, assembling tooth grooves are respectively arranged on the side wall on one side opposite to the left positioning block and the right positioning block, so that the allowable displacement difference in the vertical direction is larger after the contact wire is stressed in the installation or operation process, the buffer device can be adjusted according to the tension of the contact wire, the wind resistance of the contact net is effectively improved, and the left splint and the right splint are assembled at the bottom end of the positioning stud, so that, the phenomenon of uneven stress caused by different installation directions is avoided.

Description

High-speed railway contact net that facilitates use

Technical Field

The utility model relates to a high-speed railway contact net technical field specifically is a high-speed railway contact net that facilitates use.

Background

The contact net system is a special form of power transmission line which is erected over a railway line and supplies power to an electric locomotive, the high-speed railway contact net system is a typical wind sensitive structure, wind-induced vibration of the high-speed railway contact net system directly influences current taking of a pantograph of the locomotive, and due to the fact that windage deviation of a contact line is increased due to change of displacement of a positioner under the condition of strong wind, the positioner and a positioning clamp are greatly abraded and separated, traffic accidents are caused, and therefore the high-speed railway contact net system convenient to use is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed railway contact net that facilitates use to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-speed railway contact net convenient to use comprises a pre-buried column, a flat cantilever is fixedly welded at the top of the right side wall of the pre-buried column, the center of the bottom of the flat cantilever is movably connected with an inclined cantilever through a hinge pin shaft, the other end of the inclined cantilever is movably connected on the right side wall of the pre-buried column through the hinge pin shaft, a buffer device is fixedly welded on the right side of the bottom of the flat cantilever, a fixed block is fixedly welded at the bottom end of the buffer device, the bottom of the fixing block is screwed with a positioning stud, the left side and the right side of the outer wall of the positioning stud are respectively provided with a left clamping plate and a right clamping plate, the left clamping plate and the right clamping plate are fastened and connected through a connecting bolt, the bottom end of the positioning stud is nested between the left clamping plate and the right clamping plate, the bottom of the left clamping plate and the bottom of the right clamping plate are respectively and fixedly connected with a left positioning block and a right positioning block, and the side wall of one side, opposite to the left positioning block and the right positioning block, of the left clamping plate is provided with an assembly tooth socket.

Preferably, the buffering device comprises an outer barrel fixedly welded on the right side of the bottom of the flat cantilever, a guide rod is inserted into an inner cavity of the outer barrel, the top end of the guide rod extends to a supporting plate fixedly connected to the rear of the inner cavity of the outer barrel, sliders are fixedly connected to the left end and the right end of the supporting plate respectively, chutes matched with the forehead sliders are formed in the left side wall and the right side wall of the inner cavity of the outer barrel, supporting springs are fixedly connected to the four corners of the top of the supporting plate respectively, and the tops of the supporting springs are fixed to the top of the.

Preferably, the top center of the fixing block is fixedly welded with the bottom end of the guide rod, and the bottom center of the fixing block is provided with a positioning threaded hole matched with the positioning stud.

Preferably, the top of the side wall of the opposite side of the left clamping plate and the right clamping plate is provided with assembling clamping grooves matched with the outer diameters of the positioning studs, and the bottom of the side of the two groups of assembling clamping grooves opposite to each other is provided with a limiting clamping groove matched with the head of the bottom end of each positioning stud.

Preferably, horizontal and connecting bolt matched with assembly through-hole has all been seted up to both sides around the lateral wall of left splint and right splint, just assembly through-hole on left splint and the right splint sets up on a straight line.

Preferably, the assembly alveolus is the tooth type groove that two sections arcs of different radians arc wall concatenation formed, and is two sets of it is less than the radian of arc wall down to go up the arc wall radian in the assembly alveolus, and is two sets of it is corresponding adaptation respectively with lower arc wall to go up the arc wall in the assembly alveolus.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, make the contact wire behind installation or operation in-process atress through buffer, the ascending allowable displacement difference of vertical direction can be bigger, and buffer can adjust according to the tension size of contact wire, effectively improve the anti-wind ability of contact net, can realize the quick location to the contact wire through the positioning stud, be convenient for realize quick installation, the operation is convenient, high durability and convenient use, and be equipped with left splint and right splint in the positioning stud bottom, and left splint and right splint structure are the same, make left splint and right splint atress ability the same, avoided because the different emergence that causes the inhomogeneous phenomenon of atress of installation direction, better practicality has.

Drawings

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

FIG. 2 is an enlarged schematic view of part A of the present invention;

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

In the figure: the device comprises a pre-buried column 1, a flat cantilever 2, an inclined cantilever 3, a buffering device 4, an outer cylinder 41, a guide rod 42, a supporting plate 43, a sliding block 44, a sliding groove 45, a supporting spring 46, a fixing block 5, a positioning stud 6, a left clamping plate 7, a right clamping plate 8, a connecting bolt 9, a left positioning block 10, a right positioning block 11 and an assembling tooth socket 12.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high-speed railway contact net convenient to use comprises a pre-buried column 1, a flat cantilever 2 is fixedly welded at the top of the right side wall of the pre-buried column 1, the center of the bottom of the flat cantilever 2 is movably connected with an inclined cantilever 3 through a hinge pin shaft, the other end of the inclined cantilever 3 is movably connected on the right side wall of the pre-buried column 1 through the hinge pin shaft, a buffer device 4 is fixedly welded at the right side of the bottom of the flat cantilever 2, a fixed block 5 is fixedly welded at the bottom end of the buffer device 4, a positioning stud 6 is screwed at the bottom of the fixed block 5, a left clamping plate 7 and a right clamping plate 8 are respectively assembled at the left side and the right side, and left splint 7 and right splint 8 pass through connecting bolt 9 fastening connection, and the bottom nestification of locating stud 6 is between left splint 7 and right splint 8, and left splint 7 and right splint 8's bottom is fixedly connected with left locating piece 10 and right locating piece 11 respectively, has all seted up assembly alveolus 12 on the relative one side lateral wall of left locating piece 10 and right locating piece 11.

Wherein, the buffer device 4 comprises an outer cylinder 41 fixedly welded on the right side of the bottom of the flat cantilever 2, a guide rod 42 is inserted in the inner cavity of the outer cylinder 41, and the top end of the guide rod 42 extends to the inner cavity of the outer cylinder 41 and then is fixedly connected with a supporting plate 43, the left and right ends of the supporting plate 43 are fixedly connected with sliding blocks 44, the left and right side walls of the inner cavity of the outer cylinder 41 are respectively provided with a sliding chute 45 matched with the sliding blocks 44, the four corners of the top of the supporting plate 43 are respectively fixedly connected with a supporting spring 46, the top end of the supporting spring 46 is fixed at the top of the inner cavity of the outer cylinder 41, by the arrangement, after the contact line is stressed during installation or operation, the force can be transmitted to the guide rod 42 along the positioning stud 6 and the fixing block 5, and then the guide rod 42 drives the support plate 43 to slide along the inner cavity of the outer cylinder 41, meanwhile, the supporting spring 46 is promoted to be compressed or stretched, so that the vibration on the contact line is buffered, and the allowable displacement difference in the vertical direction can be increased;

the center of the top of the fixing block 5 is fixedly welded with the bottom end of the guide rod 42, and the center of the bottom of the fixing block 5 is provided with a positioning threaded hole matched with the positioning stud 6, so that the positioning stud 6 and the fixing block 5 can be conveniently and quickly mounted, and a contact line can be conveniently and quickly positioned;

the tops of the side walls of the opposite sides of the left clamping plate 7 and the right clamping plate 8 are respectively provided with an assembling clamping groove matched with the outer diameter of the positioning stud 6, the bottom of one side of each of the two groups of assembling clamping grooves, which is opposite to the bottom of the other side of each group of assembling clamping grooves, is provided with a limiting clamping groove matched with the head of the bottom end of the positioning stud 6, and the positioning stud 6 can be limited by the left clamping plate 7 and the right clamping plate 8 through the;

the front side and the rear side of the side walls of the left clamping plate 7 and the right clamping plate 8 are both provided with transverse assembling through holes matched with the connecting bolts 9, and the assembling through holes on the left clamping plate 7 and the right clamping plate 8 are arranged on the same straight line;

the assembly tooth socket 12 is the tooth type groove that two sections arc wall concatenations that the radian is different form, and goes up the arc wall radian in two sets of assembly tooth sockets 12 and be less than the radian of arc wall down, and goes up the arc wall in two sets of assembly tooth sockets 12 and corresponding adaptation respectively with lower arc wall down, can be nested when assembling the tooth socket 12 at the contact wire through this kind of setting, and lower arc wall has ascending bearing effect to the contact wire, improves the assembly steadiness of contact wire.

Example (b): when the device is used, the positioning stud 6 is in threaded connection with the fixing block 5, then the left clamping plate 7 and the right clamping plate 8 are respectively assembled with the bottom end of the positioning stud 6, meanwhile, the contact wire is assembled in the assembling tooth socket 12, the limit of the contact wire is realized through the left positioning block 10 and the right positioning block 11, then the left clamping plate 7 is fixedly connected with the right clamping plate 8 through the connecting bolt 9, the buffer device 4 can ensure that after the contact wire is stressed in the installation or operation process, the force can be transmitted to the guide rod 42 along the positioning stud 6 and the fixing block 5, then the guide rod 42 drives the supporting plate 43 to slide along the inner cavity of the outer cylinder 41, simultaneously, the supporting spring 46 is compressed or stretched, the vibration on the contact wire is buffered, the allowable displacement difference in the vertical direction can be increased, therefore, the buffer device 4 can be adjusted according to the tension of the contact wire, and the wind resistance of the contact wire, can realize the quick location to the contact line through positioning stud 6 to 6 bottoms of positioning stud are equipped with left splint 7 and right splint 8, and left splint 7 is the same with right splint 8 structure, make left splint 7 and right splint 8 atress ability the same, have avoided because the installation direction is different to cause the emergence of the inhomogeneous phenomenon of atress, and the security is higher.

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 high-speed railway contact net that facilitates use, includes pre-buried post (1), its characterized in that: the top of the right side wall of the embedded column (1) is fixedly welded with a flat cantilever (2), the bottom center of the flat cantilever (2) is movably connected with an inclined cantilever (3) through a hinged pin shaft, the other end of the inclined cantilever (3) is movably connected onto the right side wall of the embedded column (1) through a hinged pin shaft, the bottom right side of the flat cantilever (2) is fixedly welded with a buffer device (4), the bottom of the buffer device (4) is fixedly welded with a fixed block (5), the bottom of the fixed block (5) is screwed with a positioning stud (6), the left side and the right side of the outer wall of the positioning stud (6) are respectively assembled with a left clamping plate (7) and a right clamping plate (8), the left clamping plate (7) and the right clamping plate (8) are fixedly connected through a connecting bolt (9), and the bottom of the positioning stud (6) is nested between the left clamping plate (7) and the right clamping plate (8), the bottom of left splint (7) and right splint (8) is fixedly connected with left locating piece (10) and right locating piece (11) respectively, assembly alveolus (12) have all been seted up on the relative one side lateral wall of left side locating piece (10) and right locating piece (11).

2. The high-speed railway contact net that facilitates use of claim 1, characterized by: buffer (4) are including outer tube (41) of fixed welding on flat cantilever (2) bottom right side, the inner chamber of outer tube (41) is pegged graft and is had guide bar (42), just the top of guide bar (42) extends to outer tube (41) inner chamber back fixed connection backup pad (43), the equal fixedly connected with slider (44) in both ends about backup pad (43), volume slider (44) matched with spout (45) have all been seted up on the lateral wall about the inner chamber of outer tube (41), the equal fixedly connected with supporting spring (46) in top four corners department of backup pad (43), the inner chamber top at outer tube (41) is fixed on the top of supporting spring (46).

3. A high speed railway catenary to facilitate use according to claim 1 or 2, wherein: the top center of the fixing block (5) is fixedly welded with the bottom end of the guide rod (42), and the bottom center of the fixing block (5) is provided with a positioning threaded hole matched with the positioning stud (6).

4. The high-speed railway contact net that facilitates use of claim 1, characterized by: the top of the side wall of the left clamping plate (7) and the top of the side wall of the right clamping plate (8) which are opposite to each other are provided with assembling clamping grooves matched with the outer diameters of the positioning studs (6), and the bottom of the side wall of the two groups of assembling clamping grooves which are opposite to each other is provided with limiting clamping grooves matched with the heads of the bottoms of the positioning studs (6).

5. The high-speed railway contact net that facilitates use of claim 1, characterized by: horizontal and connecting bolt (9) matched with assembly through hole has all been seted up to both sides around the lateral wall of left splint (7) and right splint (8), just assembly through hole on left splint (7) and right splint (8) sets up on a straight line.

6. The high-speed railway contact net that facilitates use of claim 1, characterized by: the assembly tooth socket (12) is a tooth-shaped socket formed by splicing two arc sockets with different radians, and is two sets of the radian of the upper arc socket in the assembly tooth socket (12) is smaller than the radian of the lower arc socket, and is two sets of the upper arc socket in the assembly tooth socket (12) and the lower arc socket are respectively matched correspondingly.