CN1053865C

CN1053865C - Overhead contact wire for electric locomotives and suspension of extending cables therefor

Info

Publication number: CN1053865C
Application number: CN96106206A
Authority: CN
Inventors: 奥尔夫冈·穆勒
Original assignee: AEG Bahnfahrwegsysteme GmbH
Current assignee: BICC Holdings Ltd
Priority date: 1995-05-09
Filing date: 1996-05-07
Publication date: 2000-06-28
Anticipated expiration: 2016-05-07
Also published as: CN1142447A; DE29507366U1

Abstract

The invention relates to an overhead contact wire for electric locomotives and catenary therefor. In the said device, a hanging bracket is formed by two tubes. One end of the hanging bracket is installed on one pillar by insulator, and the other end thereof horizontally formes mutually linkage support opposite to horizontal tube and sloped tube. The sloped tube connects with a support column, and a side hanging localizer is on the support column for fixing overhead contact wire, in addition the catenary is fixed on the said hanging bracket.

Description

The suspension gear of electrical traction vehicle aerial wire and catenary thereof

The present invention relates to a kind of device that is used to hang electrical traction vehicle aerial wire and catenary thereof, this device constitutes a cant cantilever by two pipes, and an end of cant cantilever is installed on the pillar by insulator arrangement; At the other end, level or relatively levelling pipe and the inclined tube supporting that can be hinged mutually.Inclined tube is connected with a support tube.Side is hung steady arm and is connected on the support tube, is used for fixing aerial wire, and in addition, catenary also is fixed on this cant cantilever.

Above-mentioned suspended structure is disclosed, between pillar, the drag-line that the lead green phase distributes at a certain distance is suspended on the catenary, when the towing vehicle collector bow slips over, lead is lifted, and its lifting amplitude depends on suspended structure, collector bow lifting power, reaches moving velocity.This by lead, vertically or relatively vertically hang outstandingly, and the configuration that catenary constituted is also referred to as the chain contact system.

According to line alignment and present position, the distance of pillar and track can be different, because lead has certain limitation along the horizontal-shift of track centerline, so support tube must be fixed on the bracket support, to satisfy predetermined tolerance, even if power is at the favourable as far as possible rectangular distribution of chain contact system when running at high speed for assurance, lead and catenary should remain on same vertical surface.Thereby the object of the invention just is, further developed a covering device on the basis of existing structure, make catenary circuit laterally can simply adjust to and plumb post between different distance adapt.

Realize like this by the above purpose of the present invention; Level or relatively levelling pipe hang one section cutting with scissors the place, limit mutually with inclined tube, catenary rotation wire clamp is installed in this section, the distance of its relative pillar can be adjusted on request, this wire clamp is by pedestal, wire clamp body and wire dress cover are formed, and pedestal contains areal of support and two the U-shaped clamping elements that are contained on the pedestal separated by a distance that are complementary with caliber.Wire clamp body one end is a straight pin, and by this straight pin, the wire clamp body is inserted on the pedestal center, can rotate, and can not come off again.Two catenarys of can packing in the wire clamp body, and fix with wire dress cover, this wire clamp can pack into one or two catenarys, it can carry out simple fast the adjustment along tube axial direction by clevis bolt to the distance of pillar.Because the wire clamp body rotatably is located at the pedestal center, so catenary is added in the power of pipe external part and can be delivered to equably on the whole pipe by its shelly areal of support, pipe can not be subjected to the effect of surrounding tube direction of principal axis moment more like this, and this moment changes metapedes so that the catenary rotation wire clamp on pipe produces slip and dislocation in long-time and strong seasonal temperature.

Among the one preferential embodiment, the one side that pedestal is pressed close to pipe distributes along the longitudinal axis of pipe symmetrically, and four circular holes are arranged on the pedestal, and U-shaped clamping element end inserts circular hole, the cover upper gasket, and the nut of screwing on just can be fixed on the pedestal, and the operation of nut is very smoothly.Therefore, Horizontal messenger wire clamp fixing very convenient, need not loaded down with trivial details operation.

Except that four circular holes and mounting hole for the insertion of wire clamp body, pedestal preferably is consistent at the shape of cross section of tube axis direction, this structure is fit to produce with certain specific technology such as extrusion process, at first can be by the extrusion press extrusion profile, cut segment then as required, processing piecemeal again need not independent surface treatment at last.

The end that wire clamp body straight pin inserts mounting hole is carved with a semi-circular groove along the surface, a spring pin of compressing into pedestal is to insert this semi-circular groove with the tangent angle in straight pin surface.Like this, straight pin and catenary rotation wire clamp itself can not come off and rotate alerting ability and also remains on the pedestal insusceptibly.

Above-mentioned two tubes is then mutually hinged by sleeve with clevis and ring (Klammer) away from an end of pillar, each hinge ring all is with a hinge ring seat, the hinge ring seat has the circular areal of support that matches with its caliber, the hinge ring seat can be fixed on separately the pipe with clevis bolt, one of them hinge ring has two parallel panels that stretch out, between two panels of one panel insertion of another hinge ring, be hinged and connected by pin then.This shows that the installation that puts hinge ring with the same to catenary rotation wire clamp, and is had identical fastener, the commonality of this part can improve production lot, thus production economically.

Support tube one end after further optimizing has a bending, can be hooked on the registration arm sleeve with clevis and ring seat, and can freely rotate, and the sleeve with clevis and ring seat is fixed on the inclined tube by the U-shaped clamping element, and this U-shaped clamping element is described the same with epimere, to guarantee the unitarity of part.The fixed form of this hinge ring seat design and U clamping element bolt and above-mentioned catenary rotation wire clamp, and the design of two pipe hinges is consistent.

The present invention will further specify by following specific example as shown in the figure, and provide further details, main points, and advantage:

Fig. 1: the lateral plan of electrical traction vehicle aerial wire and catenary suspension gear thereof;

Fig. 2: catenary rotation wire clamp lateral plan;

Fig. 3: press the catenary rotation wire clamp of Fig. 2, but the part sectional view for seeing from opposite side;

Fig. 4: be fixed on a pipe, and manage the sleeve with clevis and ring of logotype mutually with another;

Fig. 5: be fixed on another pipe, and manage the sleeve with clevis and ring of logotype mutually with one;

Fig. 6: be fixed on a pipe, and with the support tube sleeve with clevis and ring of logotype mutually.

Fig. 1 shows such suspension gear, its lead 1 is fixed in side hangs steady arm 2, whole suspension gear is contained on the plumb post, the fixed form of lead and side extension steady arm 2 is well-known, need not to give unnecessary details, the invention part is the suspension of catenary 4 on pillar 3, and lead 1 and catenary 4 specifically describe as follows at the suspension gear of pillar 3:

Cant cantilever is loaded on the pillar 3, it is by

pipe

5,6 constitute, one end of pipe 5 adjacent struts 3 is connected with insulator 7, and the other end of insulator 7 then is fixed in pillar 3 by the hinged cantilever base, pipe 5 maintenance levels or relative horizontality, pipe 6 one ends link to each other with insulator 9, the other end of insulator 9 is fixed in pillar 3 by hinged cantilever base 10, and pipe 6 keeps heeling condition, and hinged cantilever base 10 is positioned at the below of hinged cantilever base 8 on the pillar 3.

Pipe 5,6 is mutually hinged at the other end away from pillar.

Pipe 5 is from outwards hanging one section 11 with pipe 6 hinging places, be used to install catenary rotation wire clamp 12, in Fig. 1, the identical wire clamp shown in the dotted line is decorated with on catenary rotation wire clamp 12 both sides, and the position of expression wire clamp 12 can be adjusted on the section of stretching out 11 as requested.

Fig. 2 and Fig. 3 the catenary rotation wire clamp 12 that further shows comprise pedestal 13, this pedestal cross section is essentially square, the sectional area of one end is greater than the other end, below wherein heavy in section end 14 is in, its downside is a recess 15, it has the areal of support 16 of a circular arc, its arc length is less than semicircle, radius and pipe 5 are complementary, areal of support 16 both sides of heavy in section end 14 be respectively inclined-plane 17 and with the plane 18 of pedestal 13 axis normal, inclined-plane 17 outwards intersects with horizontal surface 18, form the wedge shape section section, on horizontal projection, wedge shape section 14 is exactly the part of the heavy in section end of pedestal greater than pedestal square 13, and each end of wedge shape section section all has through hole 19.

Described hole is used to penetrate the U-shaped clamping element 20 of round section, and U-shaped clamping element 20 at both endss are threaded 21, passes the U-shaped clamping element 20 of the circular hole 19 on the pedestal 14, and the diameter of its crooked radian and pipe 5 is complementary.

Be on pipe 5, to install catenary rotation wire clamp 12, at first areal of support 16 and clamping element 20 enclosed and place on the pipe 5, and clamping element end insertion through hole 19 that will threaded 21; Pad upper gasket 22 adds upper nut 23 then and is tightened on the screw thread 21, is fastenedly connected until obtain one between wire clamp 12 and pipe.

Pedestal 13 crowns center have a circular hole 24, be used to install catenary rotational line clamp 25, the wire clamp body is divided into microscler catenary cell body 26 and straight pin 27, straight pin 27 inserts circular hole 24 from catenary cell body 26 1 sides, neither can come off, rotatable again, catenary cell body 26 has two identical parallel

open grooves

28 and 29 separated by a distance in the one side that deviates from straight pin 27, their semicircular in shape cross sections, this semicircle open slot runs through catenary cell body 26 two ends, catenary cell body 26 is with a tapped bore 30, can wire dress cover 32 be tightened on the wire clamp 25 by the screw rod 31 that inserts screw 30, there is a circular hole 33 at the center of wire dress cover 32, passes for bolt 31, and wire dress cover size dimension and catenary cell body 26 match, wire dress cover 32 also has 2

open slots

34 and 35 in the face of the one side of wire clamp body 25, their shape is corresponding to wire clamp body

open slot

29 and 30 and match with them when mounted, and catenary 4 can be packed in the space that one of them open slot limited at least like this, and tightens by bolt 31.

Straight pin 27 is carved with semicircle open slot 36 at an end surfaces that deviates from catenary cell body 26, the planimetric position of this open slot 36 is in the mounting hole 24 one and determines on the horizontal surface, catenary rotation wire clamp pedestal 14 also has a hole at same horizontal surface, half of this hole alignd with open slot 36, insert elasticity location 37 hole thus, and part puts in open slot 36.Like this, can avoid straight pin 27 to deviate from 24 along its axis direction from mounting hole, therefore Horizontal messenger wire clamp body 25 can not come off from present 13 yet.

By catenary rotation wire clamp 12, the load that comes from one or two catenary can be delivered on the pipe 5 equably, thereby can not produce any moment that causes the transposition of catenary rotation wire clamp, catenary rotation wire clamp 12 is made of aluminium, the pedestal 13 that contains heavy in section end 14, wire clamp body 25 and wire dress cover 32 be the most handy is with accurately machined extrusion forming manufactured thereafter.

Pipe

5,6 passes through sleeve with clevis and

ring

37,38 and is hinged mutually, and hinge ring 37 is fixed on the pipe 5, and tape base seat 38, this pedestal stay the recess 39 of a band areal of support 40, recess 39 and the relation of areal of support 40 and the relationship consistency of recess 15 and areal of support 16.

Identical with catenary rotation wire clamp 12, the both sides of the areal of support 40 of hinge ring 37 also are inclined-planes 17, outwards move closer to plane 18 and intersect, two

parallel panels

11 and 42 are stretched out away from a side of areal of support 40 in pedestal 38 centers, and a

circular hole

43 and 44 are arranged on each panel, and aligned with each other, so that the straight pin 45 of band mushroom head passes, there is an aperture other end of straight pin 45, can insert spring cotter 46, comes off to prevent straight pin.

Second sleeve with clevis and ring 46 is fixed on the pipe 6, hinge ring 46 also has a shape and size and pedestal 38 corresponding to pedestals 47, this pedestal also has the areal of support (no longer carefully stating) that connects pipe 6, from the side-prominent vertical panel 48 of pedestal 47 away from areal of support, on be with circular hole 49.Hinge

ring

37 and 46, each all has a pair of clamping element 50, and the described clamping element 20 of this clamping element and preamble has same shape and size, and be fixed on the hinge cyclic group seat three circular holes 43 on the

hinge ring

37,46 by packing ring 22 and nut 23, aligned with each other during 44,49 installations.Put on pin 45 then, and plug spring cotter 46, in case anti-avulsion falls at pin 45 tail ends, as previously described, be used for

pipe

5,6 pivotally attached parts and on structure and size, be consistent, thereby this means these parts because its quantity is many can make economically with the parts of fixing catenary rotation wire clamp.

Hinge ring 51 shown in Figure 6 is used for linking to each other of support tube 52 and pipe 6.Be fixed with upside at support tube 52 and hang steady arm 53, be used for connecting wire, in addition, ring is equipped with messenger wire hook 54 on support tube.

Hinge ring 51 has pedestal 55, the vertically outstanding panel 56 of pedestal one side, band circular hole 57 on the panel, one end of support tube 52 (not drawing among the figure) stretches into this circular hole, the same with

hinge ring

37,46, the recess 39 that pedestal is provided with a band areal of support is used for being complementary with pipe 6 diameters, hinge ring 51 usefulness U-shaped fasteners 50 are fixed on the pipe 6 by

encircling

37,46 identical connection modes with fixing hinge.

Claims

1. device that is used to hang electrical traction vehicle aerial wire and catenary thereof, this device constitutes a cant cantilever by two pipes, and an end of cant cantilever is installed on the pillar by insulator arrangement; In other end level or relatively levelling pipe and the inclined tube supporting that can be hinged mutually, inclined tube is connected with a support tube, and side extension steady arm is connected on the support tube, is used for fixing aerial wire, and in addition, catenary is fixed on this cant cantilever, and this device has following feature:

Level or relatively levelling pipe (5) with inclined tube (6) mutually hinging place hang an end section (11), catenary rotation wire clamp (12) is fixed in this section, and its distance to pillar (3) can be transferred on request, this wire clamp (12) has a pedestal (13), pedestal (13) contains the areal of support that is complementary with pipe (5) diameter, described wire clamp uses two the U-shaped fasteners (20) that link to each other with seat surface (14) to be clamped on the pipe, and the wire clamp rotatably support has a wire clamp body, this wire clamp body at least one catenary of can packing into, described catenary can be fixed on the wire clamp body with wire dress cover.

2. by the described device of claim 1, it is characterized in that:

The one side that pedestal (13) is pressed close to pipe (5) distributes along the pipe longitudinal axis symmetrically, and has four through holes (19), and circular hole can be passed in fastener (20) two ends, behind cover upper gasket (22) and the nut of screwing on (23), just can be fixed on the pedestal (13).

3. by claim 1 or 2 described devices, it is characterized in that:

Hole (19) on four angles and the hole for wire clamp body (26) insertion, the pedestal (13) of catenary rotation wire clamp (12) is consistent perpendicular to the section of pipe (5) axis direction.

4. by the described device of claim 1, it is characterized in that:

Straight pin (27) on the wire clamp body (26) is contained in the center mounting hole of pedestal (13), promptly can not come off, and rotates flexibly again.

5. by the described device of claim 1, its feature in:

Straight pin (27) on the wire clamp body (26) is carved with a semi-circular groove mouth at the end surfaces near pedestal (13), and the spring pin (37) that is fixed on the pedestal (13) can insert this notch.

6. by the described device of claim 1, it is characterized in that:

Pipe (5) and (6) are hinged mutually by sleeve with clevis and ring at the end away from pillar (3), the pedestal (38 of each hinge ring, 47) all have circular areal of support (40) with caliber coupling, and be separately fixed on separately the pipe (5,6) by U-shaped fastener (50).

7. by the described device of claim 1, it is characterized in that:

Support tube (52) one end bendings, and clasp joint can rotate on sleeve with clevis and ring (51), sleeve with clevis and ring (51) is fixed on the pipe (6).

8. by the described device of claim 7, it is characterized in that:

The areal of support (40) that the pedestal (55) of sleeve with clevis and ring (51) has a radian and pipe (6) diameter to be complementary, and be fixed on the pipe (6) by the U-shaped fastener.