CN2295645Y - Bidirectional extruding point converter of railway - Google Patents

Abstract

The utility model relates to a bidirectional extruding switch converter of railways, which is composed of a crossed pull rod which is arranged on the tip end of a tongue rail of a switch. The utility model is characterized in that an adjustable pull rod is arranged on the lower edge of the crossed pull rod parallel to the crossed pull rod, the adjustable pull rod is composed of a joint iron, a pull rod joint 15 which is inserted and connected with the joint iron, an adjustor 16, a telescopic pull rod 17, a movable sleeve cylinder 18 and a middle adjustor 19. The utility model is self unlocked when trains pass through switches. Reverse thrust is generated as long as the tongue rail leaves a small distance from a stock rail, and the thrust causes the tongue rail to be closely attached to a stock rail of the other end.

Description

The two-way track switch commutator that squeezes of railway

The utility model relates to the railway switch direction reverser, is applicable to that the frequency that is open to traffic is not high, unattended track switch.

Electronic, pneumatic, manual transmission mode etc. is arranged in the existing railway switch reversing arrangement, the someone develops and can squeeze the track switch commutator in recent years, it is made up of following mechanism, fix a connecting iron 1, rod head 2, pull bar 3 respectively at the rail two ends, refuting fork 4 links to each other with pull bar 3, refuting fork 4 is installed on the casing 11, and 10 link to each other with the dish of turning round in placing case by axle 5, axle 5 outsides are with axle sleeve 6, turn round the dish 10 and cover plate 12 between fixing spring seat 7 is set correspondingly, movable spring seat 8 and spring 9.The squeezed track switch of this structure owing to squeeze when branching off, drives contained spring 9 effects by transmission device, realizes automatic conversion by means of the spring unstability, and former closed switch rail and stock rail are broken away from, and draws close to the opposite side tongue, reaches commutation.But during commutation, it requires the track of two tip of a root rails asynchronous, after promptly a tip of a root rail moves earlier, spur another tip of a root rail motion by action of the spring again, and existingly squeeze track switch, whatsoever model all is a single-piece, rigidity, in addition, because the difference of turnout number, distance is different also between two tongues, and the size of barging fork pull bar is certain, therefore some fitfull road forks are when train branches off by squeezing, spring can occur and rotate, a side tongue draws back, and the opposite side tongue is not closely connected, thereby, the vehicle derailing accident takes place.

The purpose of this utility model provides the two-way track switch commutator that squeezes of a kind of railway.When it can make the train track squeeze trouble, even the track switch of different size, also can release voluntarily under certain crowded trouble application force, and can actual point of switch rail leave closely connected stock rail very small distance just produce reverse boosting power, make tongue closely connected rapidly to reverse stock rail,

The utility model is to realize like this, the two-way track switch commutator that squeezes of railway is by the barging fork pull bar that is arranged on prong rail tip, it is made up of following mechanism, be respectively equipped with a connecting iron 1 at the rail two ends, rod head 2, pull bar 3, refuting fork 4 links to each other with pull bar 3, refute that fork 4 is installed on the casing 11 and link to each other with the dish 10 of turning round in placing case by axle 5, axle 5 outsides are provided with axle sleeve 6, turn round the dish and cover plate 12 between fixing spring seat 7 is set correspondingly, movable spring seat 8 and spring 9, it is characterized in that bottom at the barging fork pull bar adjustable draw rod that be arranged in parallel, its adjustable draw rod is by pair of joint iron, rod head 15, scalable pull bar 17, regulating control 16, quill 18, intermediate regulations device 19 constitutes, wherein rod head 15 is " " type, be grafting with the modular connection iron on the tongue, and it is fixing by round pin 20, place, tip at rod head 15 has outside thread, its scalable pull bar 17 ends and pull head 15 are by regulating control 16 spiral sockets, other end slip cap is contained in the quill 18 that has groove and negative thread, and quill 18 adopts fine thread to be connected with the rod head 15 of the other end by intermediate regulations device 19.

The utility model has the advantages that adjustable draw rod because each parts all adopts STRTHD to connect, so can be according to the turnout number difference, gauge width difference, adopt rotation spiral shell button to adjust its length, both guaranteed that two tongues can move an elder generation one back, can produce mutual tension again, when train is pitched by the road, release voluntarily under certain crowded trouble application force, and can leave the very little distance of closely connected stock rail at the tip of tongue and just produce reverse boosting power, make the stock rail of the tongue and the other end keep enough closely connected, the vehicle derailing accident reduces significantly, and simple in structure, flexibly movable, easy to maintenance.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of the utility model barging fork pull bar.

Fig. 2 is the birds-eye view of the utility model barging fork pull bar.

Fig. 3 is the structure cutaway view of the utility model adjustable draw rod.

Fig. 4 is the birds-eye view of the utility model adjustable draw rod.

Referring to Fig. 1, Fig. 2, barging fork pull bar of the present utility model is by be respectively equipped with a connecting iron 1 at the rail two ends, rod head 2, the pull bar 3 that links to each other with rod head 2, refuting fork 4 links to each other with pull bar 3, refuting fork 4 is installed on the casing 11, and 10 link to each other with the dish of turning round in placing case by axle 5, axle 5 outsides are provided with axle sleeve 6, turn round the dish 10 and cover plate 12 between be equipped with several fixing spring seats 7 and corresponding with it movable spring seat 8, spring 9 is arranged on spring perch 7, between 8, this structure adopts one group of spring installation, realizes automatic conversion by means of the spring unstability, always is in blocking but lead vertical mechanism after normal commentaries on classics is removed, in order to make train release voluntarily under certain crowded trouble application force, the utility model is stuck in the road with barging fork pull bar and is be arranged an adjustable draw rod in parallel as auxiliary connecting rod.Referring to Fig. 3, Fig. 4, adjustable draw rod is made of connecting iron, rod head 15, scalable pull bar 17, regulating control 16, quill 18, intermediate regulations device 19, wherein rod head 15 is " " type, be grafting with the modular connection iron on the tongue, and it is fixing by round pin 20, place, tip at rod head 15 has outside thread, its scalable pull bar 17 1 ends and joint 15 are by regulating control 16 spiral sockets, other end slip cap is contained in the quill 18 that has groove and negative thread, and scalable pull bar 17 can slide in groove actv. length.Quill 18 adopts fine thread to link to each other with other end rod head 15 by intermediate regulations device 19.The length of the utility model adjustable draw rod is generally 950～1100mm.Because each parts of the utility model all adopt STRTHD to connect, so its adjustable draw rod length, can determine by adjusting each parts degree of being threaded into according to different gauges, after each degree of being threaded into adjustment is certain, can adopt standby nut fastening, at this moment, but adjustment member has only scalable pull bar 17 to slide at quill 18, when scalable pull bar 17 and sleeve 18 stretching distances are maximum, scalable pull bar 17, sleeve 18 relativities produce pulling force, and when shortening, because inner ultimate range is greater than two tongue miles of relative movement sums, do not produce mutual thrust, both guaranteed that two points can move an elder generation one back, can produce mutual tension again.

Two-way principle of work of squeezing the track switch commutator is, when main track is in closed condition, when side line is in opening state, spring 9 " cw reverses " in the barging fork pull bar casing 11, tongue and stock rail opening one side tongue control pull rod 3 are stressed, the lateral bracing strut pressurized that tongue and stock rail are closely connected, this moment, adjustable draw rod did not stress basically; When first group of wheel in rolling stock the place ahead when forward travelling to the distance of tongue working edge and stock rail working edge≤1409mm place, adjustable draw rod promptly begins closely connected side tongue is applied pulling force, compression effort in the closely connected side barging fork pull bar is along with advancing of train can be increasing at this moment, originally the spring that was in the heeling condition moves until fully parallel with vertical pivot to vertical direction gradually, train moves in a flash, after the limiting equilibrium of spring is destroyed, sharply reverse to anticlockwise direction, the tongue of former open side is drawn close to stock rail rapidly, until closely connected fully with stock rail, increasing to opening between the tongue of originally closely connected side and stock rail by the slit occurring, until being drawn back fully, it is open-minded to be main track, the side line closed state, this moment, train passed through track switch smoothly, when train was return by track switch or former road fully, main track promptly was in open state, and side line is in closed condition.

Claims (2)

1, the two-way track switch commutator that squeezes of a kind of railway, by the barging fork pull bar that is arranged on prong rail tip, it is made up of following mechanism, be respectively equipped with a connecting iron (1) at the rail two ends, rod head (2), pull bar (3), refuting fork (4) links to each other with pull bar (3), refuting fork (4) is installed on the casing (11), and link to each other by axle (5) dish (10) of turning round interior with placing case, axle (5) outside is provided with axle sleeve (6), fixing spring seat (7) is set correspondingly turning round between dish (10) and the cover plate (12), movable spring seat (8) and spring (9), it is characterized in that bottom at the barging fork pull bar adjustable draw rod that be arranged in parallel, its adjustable draw rod is by pair of joint iron, rod head (15), scalable pull bar (17), regulating control (16), quill (18), intermediate regulations device (19) constitutes, wherein rod head (15) is " " type, be grafting with the modular connection iron on the tongue, and it is fixing by round pin (20), place, tip at rod head (15) has outside thread, its scalable pull bar (17) one ends and rod head (15) are by regulating control (16) spiral socket, other end slip cap is contained in the quill (18) that has groove and negative thread, and quill (18) adopts fine thread to be connected with the rod head (15) of the other end by intermediate regulations device (19).

2, the two-way track switch commutator that squeezes of railway according to claim 1, the length that it is characterized in that described adjustable draw rod is 950～1100mm.