CN1907780B - Double system car coupler of railway vehicle - Google Patents

Abstract

The invention relates to a dual-system hook of railway train, wherein it comprises: a joint hook and hook with connecting pin hole, and two U-shaped chain hooks, while the connections between them are in U-shaped connected via connecting pins, to form the movable joint whose joint hook and chain hook can rotate; based on the hook type, it can rotate to the drawing direction, to connect two systems; the chain hook has simple structure, long service life and high reliability; and the joint hook and chain hook can meet the demands that the track heights at each track are same, and meet the demands of total load as 3000t; and the invention can use the general hook frame and national buffer of 13-th hook, to transmit the drawing force and impact force between vehicles.

Description

Double system car coupler of railway vehicle

(1) technical field: the invention belongs to the rolling stock draw gear.The company that is used between goods train vehicle and vehicle or locomotive and vehicle hangs.Transmit longitudinal force and impulsive force that train operation or shunting service produce.

(2) background technology:

It is the automatic car coupler that meets the North America AAR of railway association standard of representative and the non-automatic hitch that meets the UIC of International Union of Railways standard that European countries are representative, i.e. screw coupling that the hitch that existing rolling stock adopts roughly is divided into the U.S., Canada.Because the screw coupling complicated operation, working strength is big, and the tonnage that can draw is little, and will progressively be eliminated, but this needs a process.The rolling stock of two kinds of completely different coupler systems so just might appear being equipped with on same railway; And newly purchasing vehicle also can only select a kind of in two kinds of coupler systems, thus in same the railway of Xing Chenging two kinds of coupler systems this greatly limited freely organizing into groups of train, restricted giving full play to of transport capacity, needed to develop for this reason and can realize that two kinds of systems connect the hitch of hanging.

Chinese patent ' convertible hitch ' (ZL02281259.8) has proposed a kind ofly can select connection mode according to butt joint vehicle hitch standard difference on same vehicle.This ' convertible hitch ' chain, gib head of adjacent two joint vehicles with the screw coupling device time articulates mutually, and one is used for traction, and another root is standby.But when this structure may occur following problem: i. with the screw coupling device and the coupler centre line height to the top of rail of automatic car coupler produce inconsistent, as: 10. the chain link of chain when chain is longer (16) fixed end inserts coupler body E shape front end upper inner 4. 5., and the chain other end connects extension with the screw coupling gib head that docks car, and two ends line of centers height is variant.During ii. with the screw coupling device, according to UIC 520 standards, the collapse strength of screw coupling only is 850kN, and because 10. the chain link of the fixed end of screw coupling device inserts coupler body E shape front end upper inner 4. 5., with central automatic car coupler coupler body 5. not on same line of centers, the screw coupling device is under traction working condition, and 5. coupler body will produce an additional moment of flexure, makes train traction gross load out of reach 3000t.(being that screw coupling device proper structural limitations reaches the structural limitations that 5. is connected with coupler body).Iii. coupler body afterbody and hook tail frame are connected is shaped as the U-shaped body, and can not match with homemade existing hook tail frame is connected, promptly can not general state crotchet tail frame and corresponding buffers.

Deutsche Reichspatent (DE 3601199 A1): ' tractor equipment that is used for adjacent each vehicle of bonded assembly ' disclosed tractor equipment is provided with U type pull bar and the swivel nut that links to each other; Be provided with in the US Patent (US3977532A) ' train connected system ' to rotate and use lever arm; But these two kinds of train draw geares because of with the member incompressibility at railway carriage bonded assembly two ends, therefore can not satisfy and make things convenient for uncoupling, connection to hang now and the longitudinal force when bearing shunting service and the demand of impulsive force.

(3) summary of the invention: the double system car coupler of railway vehicle that the present invention proposes, not only solve the company of existing two kinds of system's hitches in same rolling stock and hang problem, to guarantee uncoupling simultaneously and connect the safety of hanging in convenient and shunting service, braking and the driving.Its technical scheme is as follows:

Double system car coupler of railway vehicle, if joint gib head 1, the tail end of joint gib head is established the tail end U type 1.1 that has the first connection pin-and-hole 1.2, the front end of coupler body is established the front end U type 2.1 that has the second connection pin-and-hole 2.2, tail end U type 1.1 inserts in the front end U type 2.1, chain hitch 3 one end U type chain links 3.1 are contained in tail end U type 1.1 inboards, these three U type spares of U type chain link of joint gib head tail end U type, coupler body front end U type and chain hitch one end are connected with connecting pin 4, form the turning joint that joint gib head 1 and chain hitch 3 rotate around connecting pin; It is characterized in that:

A. coupler body 2 tail ends match with the hook tail frame 6 of AAR system vehicle and are connected.

B. the U type chain link 3.1 of chain hitch 3 one ends is contained in tail end U type 1.1 inboards, and the U type chain link 3.6 of the other end matches with UIC system vehicle screw coupling and is connected; Two U type chain links are connected swivel nut respectively and connect with two, two connect the thread of establishing the band handle between the swivel nut connects as one, and constitutes chain hitch 3.

C. have in joint gib head work on joint gib head and the coupler body or treat the locating dowel pin 5 that control position is fixing; The joint gib head when control position along longitudinal direction of car lead line.The position of locating dowel pin position this moment on ° line of distance joint gib head line of centers anticlockwise direction commentaries on classics α=80; The joint gib head is in when treating control position, and locating dowel pin is positioned on the longitudinal direction of car lead line.

D. the joint gib head treats that control position is located at the left side in the face of the coupler body front end, and the chain hitch treats that control position is located at the right side in the face of the coupler body front end.

E. coupler body tail end 2.3 is fixed in hook tail frame 6, and coupler body tail end 2.3 is for having the cuboid of vertical adjusting slotted hole, and its shape and size match with the hook tail frame of No. 13 hitches of existing AAR system, and the energy disperser 7 of No. 13 hitches that match is housed behind hook tail frame.

F. gib head 1 fifth wheel profile in joint meets AAR 10A standard, and hook tongue, the hook tongue in it pushes away the gauge member among the iron employing GB7709.The minimum cross section diameter that above-mentioned thread 3.3 bears longitudinal traction power is 44.5mm, and the U type chain link cross-sectional plane that bears longitudinal traction power generation tensile stress is 2x40x40mm; The material extending yield strength is 1350KN, and compression yield strength is 2000KN.

G. joint gib head 1, the coupler body 2 as primary structure member adopts the B level cast steel that meets the AAR standard; U type chain link, connection swivel nut, thread can all adopt high strength alloy steel 35CrMnSiA to make.

Beneficial effect of the present invention:

I. gib head 1 fifth wheel profile in joint meets AAR 10A standard, has all functions of automatic car coupler; The U type chain link of chain hitch 3 also matches with the screw coupling gib head; When forwarding joint gib head 1 or chain hitch 3 levels to vehicle towed direction, just can realize and dock articulating of vehicle AAR system and UIC system two system's hitches.Mix energy disperser again and just transmit the vehicle longitudinal force.Ii. its shape and size of coupler body 2 tail ends can match with the hook tail frame of existing AAR system No. 13 hitches and be connected.Therefore this patent hitch can with homemade No. 13 hitches and homemade energy disperser 7 adapteds that match.Iii this patent chain hitch 3 is simple in structure, only needs just to finish repertoire with two U type chain links.Both cancelled middle enclosed ring (with exporting draw gear the sixties and comparing), gib head and attaching parts etc.＜(ZL02281259.8) compare with above-mentioned ' convertible hitch ' need be set yet 〉, the dangerous contact stress of having avoided these members to produce thus causes structural damage, thereby improves greatly structural reliability and service life.(the chain hitch when being subjected to tensile load, chain link removes the tension stress influence, also is subjected to directly contacting with chain link and the influence of the relative minimum contact stress of area, and contact stress is excessive and tensile stress not quite also can cause structural failure.) vi. this patent chain hitch 3 is simple in structure, work simplification, manufacturing cost descend.V. this patent chain hitch 3 structures, size and joint gib head 1 all satisfy when articulating UIC system and AAR system hitch respectively, and coupler centre line is identical everywhere apart from the rail height.Vi. the selection of this double system car coupler structure and design parameters and material realizes that the traction gross load reaches the requirement of 3000T: as the selection of pull bar and U type chain link cross-sectional plane and material yield limit.Vii. chain hitch two U type chain interannulars are by bearing pin or are threaded, be flexible hitch, can be respectively around X, Y, the rotation of Z axle, realize that hitch connects extension and the non-conversion demand for the treatment of working position of hanging that connects, possess thus a kind of limited ' compressibility " characteristic, and then can bear certain vertical compressive force and keep stable.Be mounted on UIC system vehicle screw coupling with this U type chain link simultaneously, add the handle and the swivel nut of setting, make two compartments ' uncoupling ' and ' connection is hung ' only need turning handle, very convenient.Bear very little longitudinal force and impulsive force when viii. the selection of 5 positions of the locating dowel pin between gib head and coupler body makes 1 work of joint gib head; Locating dowel pin 5 does not stress when 3 work of chain hitch, guarantees that train traction is safe and reliable.Ix. gib head and chain hitch treat that control position is respectively in the face of coupler body front end left side and right side, to guarantee vehicle normal ' connection is hung '.

(4) description of drawings:

Fig. 1 turning joint place positive view of the present invention

Fig. 2 and automatic car coupler connect birds-eye view when hanging

Fig. 3 and screw coupling connect birds-eye view when hanging

Fig. 4 coupler body 2 is connected positive view with homemade No. 13 hook stern notches, energy dispersers

Bow rule figure of chain link 3.6 or 3.1 in Fig. 5 chain hitch 3

The connection diagram of chain link 3.6 (front elevation) and vehicle screw coupling in Fig. 6 chain hitch 3

A-A cutaway view among Fig. 7 Fig. 3

(5) specific embodiment

See Fig. 1, Fig. 2, the present embodiment double system car coupler of railway vehicle is made of the lining 4.1 of joint gib head 1, coupler body 2, chain hitch 3, connecting pin 4 and outer cover, locating dowel pin 5 etc.Front end U type 2.1 inboards that the tail end U type 1.1 of joint gib head inserts coupler body, the U type chain link 3.1 of chain hitch 3 snaps in tail end U type 1.1 inboards; These three U types connect with connecting pin 4, and this place forms turning joint.Tail end U type 1.1 and front end U type 2.1 have with connecting pin 4 cooperates and are connected pin-and-hole 1.2 and 2.2.

See Fig. 2, in turning joint,, be in to connect to hang working position when joint gib head 1 rotates in the longitudinal direction of car lead, fixing with locating dowel pin 5, move and dock vehicle automatic car coupler 1 ' automatic butt and be connected along lead then.This moment, the chain hitch 3 horizontally rotated at lateral direction of car, was in and treated working position, the right side that this moment, chain hitch 3 was in the face of coupler body 2 front ends.Joint gib head 1 and automatic car coupler 1 ' structure, shape, size are identical, and it is identical that institute has function.Be that fifth wheel profile 1.3 meets the AAR10A standard, hook tongue, hook tongue push away iron and adopt gauge member among the GB7709.

See Fig. 3, in turning joint, when joint gib head 1 rotates from lead α angle, optional α be 80 ° for good, joint gib head 1 was in and treated control position this moment, in the face of the left side of coupler body 2 front ends.Chain hitch 3 horizontally rotated and was positioned at lead this moment, was in working position, and docked the vehicle screw coupling and was connected.This moment, locating dowel pin 5 positions were on the lead line, with joint gib head 1 line of centers angle be α=80 °.Chain hitch 3 following formations: U type chain link 3.1,3.6 is established at two ends.See Fig. 5, Fig. 6, Fig. 7, the open end of U type chain link has hole 3.8,3.9 and is enclosed within respectively on connection swivel nut 3.2 or 3.5 two ends end axles 3.21,3.22 or 3.51,3.52, and is connected and fixed.See Fig. 3, Fig. 7, two connect the pull bars 3.3 that double-threaded screw is housed in the middle of swivel nuts 3.2 and 3.5, and with two ends screw thread 3.31 be connected the swivel nut screw and mesh.Thread center dress handle 3.4.When handle when pull rod shaft is rotated, drive two by two ends ingear screw thread and connect swivel nuts and inwardly or outwards vertically move, thereby realize locking or the function of unclamping chain hitch 3.Be by bearing pin between the U type chain link 3.1,3.6 or be threaded, be flexible hitch, so chain hitch 3 can rotate respectively around X, Y, Z axle respectively, to realize that hitch can be rotated to desired company and hangs working position and Fei Lian and hang and treat working position.

See Fig. 6, in the groove 8.1 that matches in the gib head 8 of the UIC system standard screw coupling of U type chain link 3.6 insertion butt joint vehicles, turning handle 3.4, locking chain hitch 3 can be realized the function of hanging and drawing the truck vehicle of another system with the company of UIC system screw hitch.The company that need to adopt this moment the side buffer device of UIC system standard configuration to carry out vehicle worries and draws operation.

See Fig. 4, the tail end of coupler body 2 is the cuboid 2.3 that has vertical adjusting slotted hole, and its shape and size match with the hook tail frame 6 of No. 13 hitches of existing AAR system.In the groove that cuboid 2.3 insertion hook tail frames 6 match, be connected and fixed with connecting pin 2.4.

See Fig. 3, the minimum cross section that thread 3.3 bears longitudinal traction power is 3.7 places, and this place's diameter is 44.5mm.See Fig. 5, the U type chain link cross-sectional plane that Fig. 6 bears tractive force generation tensile stress is 2 x b x h=2x, 40 x 40mm.The material extending yield strength is 1350KN, and compression yield strength is 2000KN.Structure design size and material yield intensity can realize drawing the 3000T gross load thus.

Claims (1)

1. double system car coupler of railway vehicle is established joint gib head (1), and joint gib head tail end is established the tail end U type (1.1) that has the first connection pin-and-hole (1.2); Coupler body (2) front end is established the front end U type (2.1) that has the second connection pin-and-hole (2.2), and tail end U type (1.1) inserts in the front end U type (2.1); The U type chain link (3.1) of chain hitch (3) one ends is contained in tail end U type (1.1) inboard, these three U type spares of U type chain link (3.1) of the tail end U type (1.1) of joint gib head, the front end U type (2.1) of coupler body and chain hitch one end are connected with connecting pin (4), form joint gib head and chain hitch around the turning joint that connecting pin rotates, it is characterized in that:

A. coupler body (2) tail end matches with the hook tail frame (6) of AAR system vehicle and is connected;

B. the U type chain link (3.1) of chain hitch (3) one ends is contained in tail end U type (1.1) inboard, and the U type chain link (3.6) of the other end matches with UIC system vehicle screw coupling and is connected; Be provided with two connection swivel nuts in the chain hitch (3) again and be connected with two U type chain links respectively, two connect the thread of establishing the band handle between the swivel nuts connects as one;

C. joint gib head (1) and coupler body (2) are provided with in the work of joint gib head or treat the locating dowel pin (5) that control position is fixing; Along longitudinal direction of car lead line, this moment, the locating dowel pin position changeed position on ° line of α=80 at distance joint gib head line of centers anticlockwise direction to the joint gib head when control position; The joint gib head is in when treating control position, and locating dowel pin is positioned on the longitudinal direction of car lead line;

D. joint gib head (1) treats that control position is located at the left side in the face of coupler body (2) front end, and chain hitch (3) treats that control position is located at the right side in the face of coupler body (2) front end;

E. coupler body tail end (2.3) is fixed in hook tail frame (6), and coupler body tail end (2.3) is for having the cuboid of vertical adjusting slotted hole, and its shape and size match with the hook tail frame of No. 13 hitches of existing AAR system; And the energy disperser (7) of No. 13 hitches that match is housed behind hook tail frame;

F. to bear the minimum cross section diameter of longitudinal traction power be 44.5mm to thread (3.3), and bearing the U type chain link cross-sectional plane that tractive force produces tensile stress is 2x40x40mm; The material extending yield strength is 1000KN, and compression yield strength is 2000KN;

G. joint gib head (1), the coupler body (2) as primary structure member adopts the B level cast steel that meets the AAR standard; U type chain link, connection swivel nut, thread adopt high strength alloy steel 35CrMnSiA to make.

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