CN2652749Y

CN2652749Y - Train air valve automatic connection valve

Info

Publication number: CN2652749Y
Application number: CN 200320116434
Authority: CN
Inventors: 郝新全; 张万朝
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-05
Filing date: 2003-11-05
Publication date: 2004-11-03
Anticipated expiration: 2013-11-05

Abstract

The utility model relates to an automatic docking and relieving valve device on the railroad gas main pipe, arranged under the hook of a train car (carriage) by a mounting frame. The utility model is characterized in that the valve comprises a valve housing bracket, a valve housing sleeve, a valve mandrel, a guide pole, a spring and a sealing washer. The valve mandrel is provided with a vent groove, a sealing ring, a pressure spring and a spring holder. A helical groove is opened on the periphery of the valve housing. A clip spring groove is arranged at the tail of the valve housing sleeve. An embedded claw and an embedded claw groove are arranged on an embedded claw disc at the end of the valve housing; a sealing washer groove is opened on the plane of the end of the embedded claw disc; the sealing ring is arranged in the sealing washer groove; the spring is arranged between the embedded claw and the embedded claw groove. The automatic docking and relieving valve enables the valve housing body to move back and forth and self-rotates as well under the train power ( or external force) and the spring force; a gas passage is automatically opened while the valve device finishes the buckling of the valve claw and the valve claw groove, and the gas passage is automatically closed when the valve is automatically relieved, so that the docking and relieving of the valve is achieved when the train is connected oppositely or relieved.

Description

A kind of train valve automatic engagement valve

Technical field

The utility model relates to a kind of operatorless device of rolling stock, specifically, the utility model relates between a kind of railway car the automatic engagement in the vent line and automatically terminates the connection valve train apparatus.

Background technology

Existing rolling stock is to articulate (connection) by train head and each joint compartment to lean on hook to collude automatically to close, artificial mechanism separates, whole locomotive adopts pressurized air to realize braking as power, air pump with the pressurized air reservoir pressure in gas tank, be sent to the stop mechanism in each compartment through gas line, the person in charge of gas line connects by the hose coupling butt joint between each joint compartment to finish.The butt joint of hose coupling at present, separation will lean on the manual joint compartment that pursues to finish.Labour intensity is big, waste time and energy, complicated operation, more difficult at night or sleety weather operation.Connecting, removing when connecting the operation of tracheae valve, operating personal needs near gas-tpe fitting, creeps into operation below the hook between the compartment.Because of the recoil effect of endotracheal high pressure gas causes flexible pipe to beat, in operating process, damage operating personal easily, cause the personal safety accident, particularly during the high pressure gas phenomenon in tracheae has blow-by tube, danger is bigger in the process of operational processes, the easier operating personal that causes damages, and causes spiritual enormous pressure simultaneously.

Along with the development of railway transportation industry, the speed raising of train running speed is shunt and is seted out frequently, and the opening and closing of flexible pipe air valve connect efficient, running velocity and the economic benefit that has had a strong impact on the vehicle marshalling in the transporting compressed gas body pipeline.

93212814.9,96220814.5,98242939.8, the utility model patent of 99234722.X discloses about the butt joint of train gas passage, separate tipping puts before the utility model, the patent No. is:.The automatic joint that above-mentioned vehicle high pressure gas gas transmission is responsible for had a certain advance in that principle of design and product structure are last, can the certain positive role of performance after patented technology is implemented.But also there is certain deficiency in above-mentioned utility model: the one, and the opening and closing of the adaptor union in the high pressure gas pipeline road of principle of design and train can't reach actual operating needs fully, the impact, the vibration that produce as the gap of vehicle hook combination, track switch, turning, sudden stop, factors such as the speed change in the train running make the combination of gas piping joint can't keep the tight normal combination.The 2nd, the product structure complexity, cooperation is difficult for reaching consistent between the various parts, causes gas leakage to make the gaseous tension deficiency, makes the requirement of stop mechanism out of reach regulation, can cause brake failure when serious.

The purpose of utility model: the purpose of this utility model is to overcome the deficiencies in the prior art, propose a kind of simple in structure, safe and reliable, can automatic butt with self-detaching rolling stock pressure gas brake pipe on be connected valve.

The content of utility model:, propose a kind of new train valve automatic engagement valve technology scheme based on the purpose of utility model.Automatic opening and closing on a kind of compression gas pipe is responsible for connect valve.It comprises poppet shaft, valve pocket, the valve body support, spring guide pushes away, formation such as pressure spring, connection pipe, steady arm, guide plate, guidepost, tightening seal washer, and it is characterized in that: valve pocket is provided with the rotary steering groove, the front end position of valve pocket is provided with embedding pawl dish, design has chimeric pawl on dish, is the chimeric groove of helix in the back of chimeric pawl, on the valve sleeve body behind the chimeric pawl disk spring is housed; The valve pocket axial centre is a circular hole, and the leading section circular hole is less than the rear portion Circularhole diameter, and front end has groove on the plane, and tightening seal washer is housed in the groove; Have vent grooves on the spindle nose of poppet shaft front end, on the poppet shaft behind the air channel seal ring is housed; The rear portion of poppet shaft is with spring, and spring one termination is located in the spring perch, poppet shaft, and springs etc. are placed restrictions in the valve body cover by elastic collar.Be symmetrically installed with guidepost on the valve body bearing support, also be respectively equipped with two spring guides on the support, guide plate, positioning groove, installation connection pipe (hole).The automatic engagement air pressure valve is to be fixed on below the train traction hook by the connection pipe on the valve support (hole).

When train need link together, under train power (or other external force) effect, compartment and compartment are drawn close mutually gradually, be contained in the compartment following flexible pipe valve of head hook and connect valve (connection pipe) under the effect of train power (or other external force), in the two cars railway carriage or compartment contacts process, be installed in the following valve automatic engagement valve of hook at the steady arm that enters under the guiding of guide plate on the other side's (automatic valve valve on another compartment) valve valve, and then two valve poppet shaft be in contact with one another together and separately wedging ring at the spring at valve core rod rear portion, when poppet shaft was moved backward, the chimeric pawl of valve pocket termination put in the chimeric pawl groove of the other side's (valve) mutually; Under the continuation effect of external force, the spring after the chimeric pawl dish compact disk moves together backward, and poppet shaft is moved after also and then continuing simultaneously.

On valve pocket, have two spirally-guided grooves with cylinder axial line symmetric line.Be arranged with two circular holes on the valve body support, the circular hole outer end is provided with the jump ring groove, and guidepost is housed in the circular hole, and the circular card spring coil is contained in the jump ring groove, and guidepost etc. is limited in the circular hole; One termination of guidepost is located in the guide groove on the valve pocket cylinder.

Because the valve body support is fixed, guidepost is contained in the guidepost hole on the support, one headstock of guidepost drops in the guide groove on the valve pocket, when valve cage is mobile backward under external force, under the control of guidepost, move straight-line motion after doing in the sleeve of valve pocket on support on one side, another edge axis rotates, and the chimeric pawl on two valves stretches in the other side's the chimeric groove gradually; Because valve pocket rotates simultaneously, after the valve pocket straight line moves a certain distance and rotates to certain angle, chimeric groove with the other side after chimeric pawl is rotated a certain angle closely is interlocked, and stops to move and rotating, and at this moment the tight-closed valve port of valve is unimpeded.

When vehicle is separated extension, the railway carriage hook is thrown off, make two valves lose external force (making a concerted effort) effect, at this moment under the effect of valve pocket front springs counter-force, the valve pocket on the valve is pushed away forward, because the control directional tagging of guidepost, the another edge of valve pocket axis and moves forward, one edge axial line returns to original position to opposite spin, and chimeric pawl withdraws from chimeric groove respectively simultaneously and throws off; Poppet shaft is under the effect of spring force, and poppet shaft reach is rapidly combined closely with valve pocket endoporus step; Under the effect of poppet shaft back seal circle, make valve closing tight.

The utility model has been realized effectively that the gas valve on the rolling stock brake pipe connects automatically and has been separated and self-opening and automatic closing function, not only effectively reduced labor intensity of operating personnel, improved the marshalling efficient of train, and, guarantee the reliability of brake pipe's valve closing, ensure driving and personal safety.The utility model also has reasonable in design, and is simple in structure, sturdy and durable, flexible operation, and reliable operation, and implement advantages such as easy, easy to maintenance, the automatic hose connection valve door of the utility model has very high practical value and economic value.

Below in conjunction with drawings and Examples the utility model is further described

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1

Fig. 3 is that the B of Fig. 1 is to view

Fig. 4 is that the C of Fig. 1 is to view

Fig. 5 is the D-D cutaway view of Fig. 3

In the drawings: stop pin 1, spring bearer plate 2, guidepost 3, valve cage 4, packing seal 5, poppet shaft 6, embedding claw hook spin slot 7, chimeric pawl 8, embedding pawl nail groove 9, seal ring 10, valve body support 11, adjusting pad 12, spring chair 13, plain cushion 14, jump ring 15, spring perch 16, thrust spring 17, pressure spring 18, spring guide 19, guide groove 20, connection pipe (hole) 21, positioning groove 22, thrust spring 23, guide plate 24.

With reference to Fig. 1-Fig. 5: this automatic valve device comprises the valve body bracket assembly, and the valve body assembly two large divisions forms.

Bracket assembly is by a plate shaped long slab or tubular metal materials processing rectangularity parts, is welded with positioning groove 22 and guide plate 24 respectively in the rectangular member end positions; Positioning groove is the V-arrangement shape, and guide plate is an acute angle long slab, is designed to acute angle shape or parabola shaped in the termination of long slab, and its effect makes guide plate enter positioning groove smoothly, accurately.On the rectangular member two ends, be welded with two guideposts, spring bearer plate is installed on the guide pipe, the two ends of pressing plate is provided with the hole, the termination of guide pipe penetrates in the hole on the pressing plate, guide pipe becomes 90 degree angles (perpendicular positioning groove and guide plate) that spring is pierced on two guide pipes with positioning groove with guide plate, install pressing plate; The upper end of guide pipe is provided with pin-and-hole, inserts pin in pin-and-hole, and spring, pressing plate are limited on the guide pipe.Midway location in rectangular member is welded with a cylindrical duct, and the line of centers symmetry of pipe has two circular holes, is provided with lock slots on the hole.Moving casing, stage clip and the locking jump ring of guidepost, guidepost bottom dress are contained in the circular hole, the diameter bottom of guidepost is greater than top, moving casing is equipped with in the guidepost bottom, also tubing not, form a step, the bottom of guidepost falls in the plug helix on the valve pocket cylindrical, and compression spring is contained in top, with jump ring it is encapsulated in the circular hole.Also positioning groove, guide plate, guiding pipe, connection pipe can be cast as a global facility according to its project organization with metallic material.

Valve body assembly is made of poppet shaft and valve sleeve body two parts.Poppet shaft be diameter do not wait cylindrical, be provided with groove on the axial cylindrical of leading section cylinder, groove is used for gas communication, and the diameter of the back over glaze of groove is greater than the front axle diameter on circular shaft, form a cylinder step, the cylinder step is used to overcome poppet shaft play outward in valve pocket.Car has a groove in the antero posterior axis joint, and seal ring is housed in the groove.In cylinder step back is an axostylus axostyle, is made as thin round bar at the rear portion of axostylus axostyle, and forms a step, is set with adjusting pad 12, spring chair 13, plain cushion 14, spring 17, spring perch 16 on thin round bar; Along spring perch 16 axially establish several circular holes as gas passage, by jump ring 15 Spool assembly is limited in the valve pocket.Valve cage is provided with embedding pawl dish, and embedding pawl dish and valve pocket cylindrical shell are connected as a single entity, and in the valve pocket hole, valve pocket internal diameter fore-end is less than the back diameter; Valve pocket cylindrical leading section diameter is established several triangle grooves less than 90 degree greater than the rear portion diameter on the afterbody cylindrical of valve pocket, groove is used for the socket gas piping, and the valve pocket afterbody inserts in the hose coupling, rises and strengthens fixation.Be provided with the circular hole less than the rear portion in the front portion of valve pocket pipe endoporus, circular hole is used to assemble poppet shaft.Front end at valve pocket is provided with a termination disk that falls in, be provided with a round recessed in the plane, groove is used to install tightening seal washer 5, cylindrical place along the concave plane is provided with one " " " the shape spin slot; be embedding pawl engaged groove; embedding ditch inner orbit groove is a plug helix, this groove is used for entering of chimeric pawl and fastening valve, makes two valve close proximity; Valve pocket termination cylindrical is provided with (is line of centers with the circle) chimeric pawl of symmetry, and a groove is arranged on the claw hook cylindrical, and claw hook is outside; The outside diameter of embedding pawl 8 makes the termination of the anterior cylindrical of valve pocket form a disk less than the outside diameter of valve pocket front end, and in the embedding pawl entered chimeric groove, two valve planes just in time were in and join.

On the valve pocket cylindrical behind the valve pocket embedding pawl dish, be set with spring 23, spring 23 be used for valve pocket 4 pressed retreat after, make valve pocket get back to the home position by the elastic force effect of spring 23.

On the cylindrical of valve pocket, axial line with cylinder is arranged with two plug helixs 20, under the effect of guidepost 3, in the time of the vehicle towed hook hook of two joints, train air valve valve is at guide plate, under the guiding function of guide groove, poppet shaft at first contacts, poppet shaft moves backward, the valve open of closing, meanwhile, the embedding pawl puts in the chimeric pawl engaging groove of the other side's (valve) mutually, under the continuation effect of external force, the spring after chimeric pawl dish (valve pocket) compact disk moves together backward, and mandrel moves after also and then continuing together simultaneously; Valve pocket is under the control of guidepost, valve pocket moves moving linearly on one side, another edge valve pocket axis rotates, chimeric pawl dish (valve pocket) rotates in certain (20-120 °) angular range, the embedding pawl that puts in the chimeric groove and the other side's chimeric groove closely are interlocked, valve pocket also stops to move and rotating, and at this moment the valve valve closure is tight, and gas gate passageway is unimpeded.The valve valve has reached the purpose that articulates automatically.

When two vehicles are separated the extension disengagement, the railway carriage hook is thrown off, make valve lose external force (making a concerted effort) effect, at this moment under the counter-force effect of spring 23 between valve pocket and the supporting plate, valve pocket is pushed ahead, because the directional tagging of guidepost, valve pocket another edge in rack tube the axis reach, one edge axial line is to contrarotation, return to original position, chimeric pawl withdraws from chimeric groove respectively simultaneously and throws off, and poppet shaft is under the effect of 17 spring forces, poppet shaft reach is rapidly combined closely with valve pocket endoporus front step (being with seal ring on the poppet shaft), makes the gas passage tight closing in the valve.According to the above, the valve on the tube head that is flexible coupling on train vapour pressure of the present utility model is responsible for can guarantee safe and reliable realization automatic engagement, self-detaching purpose.

Claims

1, automatic butt on a kind of rolling stock gas is responsible for, automatically throw off valve system, comprise valve body support 11, support is installed connection pipe 1 hole (21), poppet shaft (6), valve pocket (4), spring tube (19), push away, pressure spring (19,20,23), positioning groove (22), guide plate (24), tightening seal washer (5,10), guidepost (3), guide groove formations such as (20), it is characterized in that: in the rack-mount sleeve of this valve valve sleeve body, sleeve is provided with the hole, guidepost (3) is housed in the hole, spring (23) is housed on the valve pocket between valve pocket embedding pawl dish and the support, valve pocket embedding pawl dish is provided with embedding pawl and embedding nail groove groove, the valve pocket cylindrical is provided with guide groove, the valve pocket center is a circular hole, poppet shaft (6) is installed in the circular hole, is encapsulated in the valve pocket by elastic circlip (15).

2, valve system according to claim 1 is characterized in that: seal ring is equipped with in the back of poppet shaft leading section ventilation groove, is equipped with on the afterbody mandrel and adjusts circle, and spring, cotter seat are along the air extractor vent that is axially arranged with of cotter seat.

3, guidepost according to claim 1 is characterized in that: guidepost top is equipped with spring, is with moving casing below or does not establish sleeve pipe.

4, the chimeric pawl dish of valve pocket according to claim 1, it is characterized in that: embedding pawl claw hook is outside, chimeric nail groove groove " " " the groove inner orbit is designed to plug helix, and pawl dish end face is provided with a recessed plane, and the plane is provided with the packing seal ring recess.

5, valve pocket according to claim 1 is characterized in that: the axial line with valve pocket is arranged with two plug helixs on the cylindrical of valve pocket.