CN101665087A

CN101665087A - Single track tunnel overall positioning equipment

Info

Publication number: CN101665087A
Application number: CN200810150808A
Authority: CN
Inventors: 周建科
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-05
Filing date: 2008-09-05
Publication date: 2010-03-10

Abstract

The invention relates to single track tunnel overall positioning equipment used in an electrified railway contact system, which is characterized by comprising a catenary wire hanging pedestal (1), ananti-corrosion adjusting bolt (2), a silicon rubber isolator (3), a pulley bracket (4), a ball-socket bar (5), a tunnel pulley (6) and a contact wire positioning device, wherein the pulley bracket (4)drives the tunnel pulley (6) to rotate around an ear ring (19) at 360 degrees, and a V-shaped suspension is arranged between a flat cantilever (10) and a catenary wire (17). The single track tunnel overall positioning equipment prevents abrasion, reduces hard points at a positioning point, allows a pantograph to pass through smoothly and improves the current collection effect.

Description

Single track tunnel overall positioning equipment

Technical field

The present invention relates to a kind of device of using in the electrified railway tunnels contact system, is the single track tunnel overall positioning equipment that is used for single line tunnel overhead contact system contact wire location and catenary suspension exactly.

Background technology

At present, domestic the tunnel pulley swings to certain angle when curve to " specially tunnel 0001 " and " three mark tunnel 0012 " tunnel employing horizontal suspension catenary, and catenary moves when temperature traverse with the pulley bracket lower edge and weares and teares, in the course of time rub catenary, cause train operation accident.Lead adopts on silaatic or the porcelain insulator at the locating point place and connects registration arm, the supporter location is installed on the registration arm, and whole insulator and registration arm weight are born by locating point place lead, cause lead to have hard spot at this place, pantograph can not smoothly be passed through, and it is poor to get the stream condition.For reducing train operation accident, improve pantograph contact line relation, guarantee safety of railway traffic, be badly in need of the problem that a kind of catenary suspension gear and wire positioning device solve above-mentioned suspension and the existence of location structure aspect.

Summary of the invention

The purpose of this invention is to provide a kind of single track tunnel overall positioning equipment, move and the wearing and tearing of pulley bracket lower edge when the temperature traverse, reduce locating point place hard spot, pantograph is smoothly passed through, improve and get the stream effect to prevent on the curve catenary.

The object of the present invention is achieved like this, single track tunnel overall positioning equipment, it is characterized in that: comprise that catenary hangs base, anti-corrosion type adjustable bolt, silicon rubber insulator, pulley bracket, bar with ball and eye, tunnel pulley and contact wire registration device, pulley bracket drives the tunnel pulley can form the suspention of " V " type around earrings 360 degree rotations between Horizontal Cantilever and the catenary.

Described catenary hangs base and is fixed on the tunnel wall along the tunnel top left-right symmetric, catenary hangs row's circular hole on the base, the anti-corrosion type adjustable bolt is connected with the circular hole that left and right sides catenary hangs on the base respectively with bar with ball and eye one end, and the anti-corrosion type adjustable bolt is connected with the pulley bracket at middle part by left and right sides silicon rubber insulator respectively with the bar with ball and eye other end; Suspention universal-joint tunnel, pulley bracket lower end pulley is used to hang catenary.

Described contact wire registration device comprises contact wire registration device base, support adjustable bolt, Wrist composite insulator, Horizontal Cantilever, rectangular aluminium alloy steady arm and a cover suspention bracket device, contact wire registration device base adopts articulated structure, Horizontal Cantilever is connected with Wrist composite insulator, the rectangular aluminium alloy steady arm is installed on the Horizontal Cantilever by steady ring, and rectangular aluminium alloy steady arm location hook is connected by shackle with steady ring.

Described suspention bracket device comprises that cover sleeve pipe ears, anchor are tied knots, crimping draw ring, mid point anchor clamp, two cover sleeve pipe ears are fixed on the Horizontal Cantilever, mid point anchor clamp is fixed on the catenary, ties knots for the anchor of two ends crimping draw ring between bushing double eye and the mid point anchor clamp.

Described tunnel pulley comprises earrings, framework, pulley, and the earrings upper end is suspended on the pulley bracket, and there is screw thread the lower end, links to each other with framework by nut, and there is through hole the framework lower end, and pin passes the framework through hole and pulley is fixed by spring cotter.

Advantage of the present invention is and since guide roller frame drive pulley can be around earrings 360 degree rotations, changed the problem that old-fashioned tunnel pulley can not comprehensive rotation, avoid the wearing and tearing of curve place catenary and pulley bracket, protected catenary.Again owing to form the suspention of " V " type between Horizontal Cantilever and the catenary, Wrist composite insulator and Horizontal Cantilever and steady ring are suspended on the catenary, thereby alleviated the pressure that locating point place lead is born, this place has only the weight of rectangular aluminium alloy steady arm institute build-up of pressure own, be difficult for forming hard spot, pantograph is smoothly passed through.The requirement of applicable train speed 160km/h.

Description of drawings

The invention will be further described below in conjunction with the embodiment accompanying drawing.

Fig. 1 is an embodiment of the invention apparatus structure scheme drawing;

Fig. 2 is a suspention bracket device scheme drawing;

Fig. 3 is a tunnel pulley scheme drawing.

Among the figure: 1, catenary hangs base; 2, anti-corrosion type adjustable bolt; 3, silicon rubber insulator; 4, pulley bracket; 5, bar with ball and eye; 6, tunnel pulley; 7, contact wire registration device base; 8, support adjustable bolt; 9, Wrist composite insulator; 10, Horizontal Cantilever; 11, rectangular aluminium alloy steady arm; 12, steady ring; 13, bushing double eye; 14, anchor is tied knots; 15, crimping draw ring; 16, mid point anchor clamp; 17, catenary; 18, long spring cotter; 19, earrings; 20, framework; 21, pulley; 22, pin; 23, spring cotter; 24, nut.

The specific embodiment

As shown in Figure 1, the catenary suspension gear comprises that catenary hangs base 1, anti-corrosion type adjustable bolt 2, silicon rubber insulator 3, pulley bracket 4, bar with ball and eye 5, tunnel pulley 6.It is U type structure that catenary hangs base 1, be welded on the base plate, be fixed on the tunnel wall along the tunnel top left-right symmetric by chemical anchor bolts, catenary hangs row's circular hole on the base 1, anti-corrosion type adjustable bolt 2 is connected with the circular hole that left and right sides catenary hangs on the base 1 respectively with bar with ball and eye 5 one ends, and anti-corrosion type adjustable bolt 2 is connected with the pulley bracket 4 at middle part by left and right sides silicon rubber insulator 3 respectively with bar with ball and eye 5 other ends.When anti-corrosion type adjustable bolt 2 is connected with the circular hole of catenary suspension base 1, can regulate the catenary height by the circular hole of selecting differing heights; Tighten up silicon rubber insulator 3, pulley bracket 4, bar with ball and eye 5 simultaneously.

Suspention universal-joint tunnel, pulley bracket 4 lower ends pulley 6 is used to hang catenary.This pulley can rotate by 360 degree, has solved catenary and pulley bracket lower edge wear problem on the curve, has protected catenary.5 of bar with ball and eye play interconnect function.

The contact wire registration device comprises contact wire registration device base 7, support adjustable bolt 8, Wrist composite insulator 9, Horizontal Cantilever 10, rectangular aluminium alloy steady arm 11 and a cover suspention bracket device, base adopts articulated structure, all can make the horizontality with Wrist composite insulator 9 (strut insulator) bonded assembly ears place applicable to the tunnel wall at different angles place.Adjustable bolt on the base plays a supportive role.Horizontal Cantilever 10 is connected with Wrist composite insulator 9, rectangular aluminium alloy steady arm 11 is installed on the Horizontal Cantilever 10 by steady ring 12, rectangular aluminium alloy steady arm 11 location hooks and steady ring 12 are connected by shackle, and rectangular aluminium alloy steady arm 11 ends have adjustable jackscrew, are used to limit the contact wire amount of raising.

Suspending the bracket device as shown in Figure 2 in midair comprises: 2 cover sleeve pipe ears 13, anchor tie knots 14, crimping draw ring 15, mid point anchor clamp 16,2 cover sleeve pipe ears 13 are fixed on the Horizontal Cantilever 10, mid point anchor clamp 16 is fixed on the catenary 17, ties knots 14 for the anchor of two ends crimping draw ring 15 between bushing double eye 13 and the mid point anchor clamp 16.Tie knots along the suspention of line direction formation " V " type Horizontal Cantilever 10,

Wrist composite insulator

9,12 suspentions of rectangular aluminium alloy steady arm 11 usefulness steady rings by two anchors, alleviated the weight of contact wire registration device, the pressure of bearing at locating point place lead only is rectangular aluminium alloy steady arm 11 weight build-ups of pressure own, has avoided the formation of hard spot.

As shown in Figure 3, tunnel pulley 6 comprises earrings 19, framework 20, pulley 21, earrings 19 upper ends are suspended on the pulley bracket, there is screw thread the lower end, link to each other with framework 20 by nut 24, there is through hole framework 20 lower ends, and pin 22 passes framework 20 through holes and pulley 21 is pinned by spring cotter 23, pulley 21 can rotate around pin 22, and minister's spring cotter 18 prevents to jump on the catenary 17 on the pulley.

Claims

1, single track tunnel overall positioning equipment, it is characterized in that: comprise that catenary hangs base (1), anti-corrosion type adjustable bolt (2), silicon rubber insulator (3), pulley bracket (4), bar with ball and eye (5), tunnel pulley (6) and contact wire registration device, pulley bracket (4) drives tunnel pulley (6) can form the suspention of " V " type around earrings (19) 360 degree rotations between Horizontal Cantilever (10) and the catenary (17).

2, single track tunnel overall positioning equipment according to claim 1, it is characterized in that: described catenary hangs base (1) and is fixed on the tunnel wall along the tunnel top left-right symmetric, catenary hangs row's circular hole on the base (1), anti-corrosion type adjustable bolt (2) is connected with the circular hole that left and right sides catenary hangs on the base (1) respectively with bar with ball and eye (5) one ends, anti-corrosion type adjustable bolt (2) is connected with the pulley bracket (4) at middle part by left and right sides silicon rubber insulator (3) respectively with bar with ball and eye (5) other end: suspention universal-joint tunnel pulley (6) in pulley bracket (4) lower end is used to hang catenary (17).

3, single track tunnel overall positioning equipment according to claim 1, it is characterized in that: described contact wire registration device comprises contact wire registration device base (7), support adjustable bolt (8), Wrist composite insulator (9), Horizontal Cantilever (10), a rectangular aluminium alloy steady arm (11) and a cover suspention bracket device, contact wire registration device base (7) adopts articulated structure, Horizontal Cantilever (10) is connected with Wrist composite insulator (9), rectangular aluminium alloy steady arm (11) is installed on the Horizontal Cantilever (10) by steady ring (12), and rectangular aluminium alloy steady arm (11) location hook is connected by shackle with steady ring (12).

4, single track tunnel overall positioning equipment according to claim 3, it is characterized in that: described suspention bracket device comprises that two cover sleeve pipe ears (13), anchors are tied knots (14), crimping draw ring (15), mid point anchor clamp (16), two cover sleeve pipe ears (13) are fixed on the Horizontal Cantilever (10), mid point anchor clamp (16) is fixed on the catenary (17), is between bushing double eye (13) and the mid point anchor clamp (16) anchor of two ends crimping draw ring (15) tie knots (14).

5, single track tunnel overall positioning equipment according to claim 1, it is characterized in that: described tunnel pulley (6) comprises earrings (19), framework (20), pulley (21), earrings (19) upper end is suspended on the pulley bracket, there is screw thread the lower end, link to each other with framework (20) by nut (24), there is through hole framework (20) lower end, and pin (22) passes framework (20) through hole and pulley (21) is fixing by spring cotter (23).