CN1030552A - Rail brake for emergency braking of train - Google Patents
Rail brake for emergency braking of train Download PDFInfo
- Publication number
- CN1030552A CN1030552A CN 88102240 CN88102240A CN1030552A CN 1030552 A CN1030552 A CN 1030552A CN 88102240 CN88102240 CN 88102240 CN 88102240 A CN88102240 A CN 88102240A CN 1030552 A CN1030552 A CN 1030552A
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Abstract
The invention belongs to the safety system of the vehicle, is a kind of rail brake of train emergency.It is characterized in that: the hand type brake shoe of on car body, setting up the plough type wedge that to brake rail and wheel simultaneously and braking from three faces of rail, can on rail cover, block and drag cunning, can shorten stopping distance effectively, thereby avoid some imminent traffic accident.The present invention can be fitted in the brake system of existing train, also can be widely used in the rail vehicle such as subway, the brake system of mine car.
Description
The invention belongs to the safety system of the vehicle, is a kind of brake system that is widely used in the rail vehicle such as train, subway, mine car, the rail brake that particularly a kind of emergency braking of train is used.
Adopt at present usually car side brake to brake, owing to adhered to condition effect, poor stop often, even stop soon incessantly to get into an accident.The present invention mainly is in order to guarantee safety traffic, shortens stopping distance when emergency brake, but also in order to improve the brake efficiency that brake is expected.
The present invention includes plough type wedge and manipulator.The piston rod that is fixed on the cylinder [17] on the car body promotes plough type wedge [18], and the angle on the last plane of its action direction and rail is between the 10-80 degree.Such as getting 30 degree.Hinge preferably between the piston rod of cylinder [17] and the plough type wedge [18], and preferably with have a rotational freedom and at the turning pair of small scope swing.Have spring in the cylinder [17] from resetting mechanism.The side shape of plough type wedge [18] slightly is plow-shape, the arc part of upper forepart can be installed arcwall face friction lining [20], the inside radius of concave arc equals the outside radius of rim, the arc length of concave arc is preferably in the 0.698-1.571 radian, that is to say that the cambered surface friction sheet [20] of plough type wedge [18] is preferably the 40-90 degree for the cornerite of band for wheel hub.The bottom of plough type wedge can be installed and contacted planar friction sheet [19] above the rail.The also available friction plate material of plough type wedge is as making with powder metallurgy friction material is whole.The cambered surface friction sheet [20] of plough type wedge [18] and the joint of planar friction sheet [19] are that the top of plough type wedge [18] had better not be sharp-pointed, join and should get certain circular arc, or get certain cross section with respect to action direction and the most handy friction plate material in surface or the high-abrasive material at this top.The semi-girder [12] that is hinged on respectively on the car body all is being connected the manipulator that can brake rail [14] by turning pair with cylinder [2].Semi-girder [12] axially with between the piston rod of cylinder [2] will have 30 angles of spending at least, that is to say, if each is the summit with the turning pair that links to each other with manipulator one end, then semi-girder [12] axially with rail on the angle on plane can choose at the 3-30 degree, the piston rod of cylinder [2] to and plumb bob vertical between angle can choose between spending positive and negative 30.The big extension spring [13] that can reset is preferably arranged on the semi-girder [12], and the draw direction of big extension spring [13] preferably and the piston rod axially parallel of cylinder [2].Spring is preferably arranged from resetting mechanism in the cylinder [2], described manipulator is made of inclined-plane briquetting [4], pincerlike dactylus [9] and pressure type palm [8] and flexible finger [15].Have turning pair to link to each other with the piston rod of cylinder [2] above the inclined-plane briquetting [4], the bottom of inclined-plane briquetting has outstanding position to insert the top of pressure type palm [8].The underrun stage clip [6] that should give prominence to the position can be pressed in the recess on pressure type palm [8] top.Stage clip [6] can adopt leaf spring, spiral spring, torsion spring or other elastic bodys such as rubber spring.The bilateral of the bilateral at the outstanding position of briquetting bottom, inclined-plane and pressure type palm recess is slide guide rail each other.It is trapezoidal that the top of inclined-plane briquetting slightly is.The plane angle of a dihedral angle that the inclined-plane becomes of the symmetry of the both sides on briquetting top, inclined-plane is preferably in the 6-84 degree.Each is adorning pincerlike dactylus [9] with lock [7] both sides of pressure type palm [8].The top of pincerlike dactylus [9] has the position can be slippery with the inclined-plane on the inclined-plane briquetting [4].The top of pincerlike dactylus [9] uses a small extension spring [5] to link to each other at least, also can on pin [7] torsion spring be set.The bottom of pincerlike dactylus [9] is provided with the flexible finger [15] of band coil tension spring [16].The medial surface of flexible finger [15] and the following friction brake wafer [10] that all is equipped with of pressure type palm, the friction lining of the medial surface of flexible finger can contact with the side of rail, is provided with friction brake wafer below the pressure type palm can contact with the upper surface of rail.Pincerlike dactylus [9] by one of the outside of railway must dress band coil tension spring flexible finger [15], pincerlike dactylus [9] by the railway inboard one only to stretch, also can be but non-telescoping without coil tension spring.The two ends of flexible finger [15] are curvilinear figure, and preferably parabola also can be the inclined-plane.The bottom nadir of curve is preferably in the lower edge of the side plane of rail upper vertical, and the upper end of curve preferably is higher than the last plane of rail.The two ends of flexible finger [15] are if use the inclined-plane, and then this inclined-plane preferably is not more than 45 degree with plane angle of a dihedral angle that horizontal surface becomes.
To comprise that the rail brake of plough type wedge and manipulator is installed to the suitable position of car body, cylinder [2] and cylinder [17] will be received respectively on the gas circuit of brake system.Can be used in common air brake and fasten, also can be used on the electric air brake system.Cylinder also can be used gas-liquid power-increasing cylinder.Preferably subsidiary energy storage and electrically-controlled valve.Can under the situation that does not change original car side brake, rail brake of the present invention be installed; Also original drg can be made some change as reserve part friction brake hoof only.Mounted rail brake on car body, do not contact rail at ordinary times, and each cylinder is all at initial position.Best car side brake and rail brake can be unified control and also can independently control.Every group of running wheel in each compartment is that per 2 wheels are preferably installed 1 pair of this rail brake, and 4 pairs of these rail brakes are generally preferably installed in then every joint compartment; And the direction of 2 pairs of these rail brakes on the single track of the same side in every joint compartment is preferably relative, promptly arrange in single file, or arrange in single file by the order of manipulator, plough type wedge, plough type wedge, manipulator by the order of plough type wedge, manipulator, manipulator, plough type wedge.Preferably plough type wedge and manipulator branch are located at the front and back of 2 wheels.The fixing frame of turning pair [11], fixedly the frame of cylinder [17], the girder hinge that connects cylinder [2] all should be bound up on the appropriate location on car body chassis securely.The piston rod end of semi-girder [12] and each cylinder all can the configured length regulating mechanism as with setting nut with positive and negative screw thread.
When emergency brake, dynamic medium such as gas promote cylinder piston rod and move down.The piston rod of cylinder 17 promotes plough type wedge and advances, and the top of plough type wedge contacts rail or wheel in advance in a flash, no matter contacts that earlier, does not influence plough type wedge further forward, and and then, plough type wedge will contact rail and wheel simultaneously.Plough type wedge is subjected to an antagonistic force when the contact rail owing to the little thrust of cylinder 17, antagonistic force on the rail that this plough type wedge is subjected to, because " the chock effect " of plough type wedge promptly because the transmission of power, plough type wedge with respect to the cambered surface of wheel on generation normal component and increase brake drag effect to wheel.Equally, wheel is to the antagonistic force on the cambered surface of plough type wedge, again because the chock effect of power, increases the brake drag effect to rail with regard to being delivered to below the plough type wedge.Simultaneously, owing to plough type wedge is to connect car body through cylinder, be to follow the car body Fu with respect to ground, because the upper end of plough type wedge cambered surface is higher, though plough type wedge can be stopped tighter and tighter, the phenomenon that wheel goes down can not take place to be rolled again.Like this, plough type wedge will produce comparatively desirable inhibitory action in car body advances.Because the rail brake that contains plough type wedge and manipulator on every single track becomes two-phase to installing, so no matter be the reversing ahead running, have one pair of rail brake at least and can play good braking action.The piston rod of cylinder 2 moves down, and through turning pair the inclined-plane briquetting is pressed down, and pressure type palm 8 is being pressed through stage clip 6 in the outstanding position of inclined-plane briquetting, the friction brake wafer below the pressure type palm touch rail above.Meanwhile, the pressure type palm is all to be managed with the semi-girder 12 of turning pair by two ends.Cylinder 2 continues to move down, the outstanding position of inclined-plane briquetting makes stage clip 6 that further compression take place, and be deep into the recess of pressure type palm 8, the inclined-plane of the both sides of inclined-plane briquetting begins to promote the inclined-plane of pincerlike dactylus 9, pincerlike dactylus 9,, drives flexible finger and clamps the rail both sides according to lever principle for holding fulcrum with pin 7, cooperate drawing or push away and being used for " dragging cunning " of semi-girder 12, thereby brake.When meeting fork, flexible finger is under the promotion of obstacle, because the curve at two ends or the component effect on inclined-plane, coil tension spring 16 is pressed into and rises, can reset again after clearing the jumps, when removing brake, after the pressed gas on cylinder top is removed, at the cylinder inner spring from resetting mechanism or under the effect of cylinder lower gas, plough type wedge and manipulator can reset.Also have big extension spring on semi-girder, can guarantee to reset, small extension spring 5 can make pincerlike dactylus reset.
Concrete structure of the present invention is provided by following embodiment and accompanying drawing 1 thereof and accompanying drawing 2.
Fig. 1 is that the axle of the manipulator of the rail brake of proposition according to the present invention is surveyed scheme drawing.
Describe the details and the service condition of the manipulator of the rail brake that proposes according to the present invention in detail below in conjunction with Fig. 1.Suitable position at vehicle body passes through the articulated cylinder of turning pair [1] [2], and the other end of cylinder [2] is connecting inclined-plane briquetting [4] by turning pair [3].Inclined-plane briquetting [4], pincerlike dactylus [9] and pressure type palm [8] and flexible finger [15] are the main composition parts of manipulator.Inclined-plane briquetting [4] is pressed on the pressure type palm [8] by stage clip [6], and each is adorning pincerlike dactylus [9] with pin [7] both sides of pressure type palm [8], and the top of pincerlike dactylus [9] uses small extension spring [5] to link to each other mutually; The top of pincerlike dactylus [9] contacts with the inclined-plane of inclined-plane briquetting [4]; The bottom of pincerlike dactylus [9] preferably is provided with the flexible finger [15] of band coil tension spring [16], and the medial surface of flexible finger [15] and pressure type palm following all preferably is equipped with friction brake wafer [10] and can be respectively contacts with three faces of the upper part of rail [14].The two ends of flexible finger [15] are preferably curvilinear figure such as parabola or are the inclined-plane.Inclined-plane briquetting [4] plane angle of a dihedral angle that monosymmetric inclined-plane becomes is preferably 6 to 84 degree.The semi-girder [12] that is hinged on the car body by turning pair [11] links to each other with the component parts pressure type palm [8] of manipulator by another turning pair (not marking among the figure) again.Suitable position at semi-girder [12] is equipped with the big extension spring [13] that can reset.
Fig. 2 is the side view of the plough type wedge of the rail brake of proposition according to the present invention.
Describe details and the working condition of the plough type wedge of the rail brake that proposes according to the present invention in detail below in conjunction with Fig. 2. Be fixed on cylinder [17] on the car body connecting be equiped with can with the contacted planar friction sheet of rail [19] and can with the plough type wedge [18] of the contacted cambered surface friction sheet of wheel [20]. The angle on plane is preferably in the 10-80 degree on the action direction of the piston rod promotion plough type wedge [18] of cylinder [17] and the rail, and is hinged with the little rotary pair of an amplitude of fluctuation between suggestion piston rod and the plough type wedge. Cylinder [17] and [2] are preferably with spring self-restoring mechanism or other Self-resetting mechanism. The cornerite of the cambered surface friction sheet [20] of plough type wedge [18] is preferably the 40-90 degree.
The hand type brake shoe of particularly setting up the plough type wedge that to brake simultaneously rail and wheel and braking from three faces of rail at car body of the present invention, can block and drag cunning at rail cover, can effectively shorten braking distance, thereby avoid some imminent traffic accident, can improve braking ability, for having created condition at parking on ramp, can unify easily to handle, can insert in more economical way in original braking system, folding dress and maintenance are also more convenient. Each parts is made not difficult in common machine factory. Assembling and debugging are all simpler and easy. Used spring all available spring steel as with 65Mn or other elastomers such as rubber spring. The material that each friction material is preferably selected heat resistanceheat resistant decline better performances is metal material powdered metallurgical material for example particularly. Except friction plate and spring, the equal available metal material of each parts such as steel particularly forge manufacturing.
The present invention can be fitted in the braking system of existing train, also can be widely used in rail transit instrument such as subway, the braking system of mine car and other occasions.
Claims (10)
1, a kind of brake system of the rail vehicle, especially a kind of rail brake of train emergency.Said rail brake comprises plough type wedge and manipulator.Feature of the present invention be the cylinder [17] of car body connecting be equiped with can with the contacted planar friction sheet of rail [19] and can with the plough type wedge [18] of the contacted cambered surface friction sheet of wheel [20], be hinged on semi-girder [12] and cylinder [2] on the car body respectively and all be connected the manipulator of braking rail [14] by turning pair, described manipulator is by inclined-plane briquetting [4], pincerlike dactylus [9] and pressure type palm [8] and flexible finger [15] constitute, inclined-plane briquetting [4] is pressed on the pressure type palm [8] by stage clip [6], each is adorning pincerlike dactylus [9] with pin [7] both sides of pressure type palm [8], the top of pincerlike dactylus [9] uses small extension spring [5] to link to each other mutually, the top of pincerlike dactylus [9] contacts with the inclined-plane of inclined-plane briquetting [4], the bottom of pincerlike dactylus [9] is provided with the flexible finger [15] of band coil tension spring [16], and the medial surface of flexible finger [15] and the following friction brake wafer [10] that all is equipped with of pressure type palm can contact with rail [14] respectively.
2, according to claim 1, feature of the present invention is that the piston rod of cylinder [17] promotes the angle on plane on the action direction of plough formula bar [18] and the rail at the 10-80 degree.
3, according to claim 1, feature of the present invention is that plough type wedge [18] is made with steel, refills friction lining [19] and [20], or whole with friction plate material as using powder metallurgy friction material.
4, according to claim 1, feature of the present invention is that the cornerite of the cambered surface friction sheet [20] of plough type wedge [18] is the 40-90 degree.
5, according to claim 1, feature of the present invention is that the two ends of flexible finger [15] are curvilinear figure such as parabola or are the inclined-plane.
6, according to claim 1, feature of the present invention is that coil tension spring [16] and stage clip [6] are with coil spring or leaf spring or other elastic body such as the rubber spring of spring steel as making with 65Mn.
7, according to claim 1, feature of the present invention is that cylinder [17] and cylinder [2] have spring from resetting mechanism.
8, according to claim 1, feature of the present invention is that the cylinder [17] that is fixed on the car body is hinged with plough type wedge [18].
9, according to claim 1, feature of the present invention is except that friction lining and spring, and each parts all particularly forges steel with metallic material such as steel and makes.
10, according to claim 1, feature of the present invention is that inclined-plane briquetting [4] plane angle of a dihedral angle that monosymmetric inclined-plane becomes is the 6-84 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88102240 CN1030552A (en) | 1988-04-20 | 1988-04-20 | Rail brake for emergency braking of train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88102240 CN1030552A (en) | 1988-04-20 | 1988-04-20 | Rail brake for emergency braking of train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1030552A true CN1030552A (en) | 1989-01-25 |
Family
ID=4832072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88102240 Pending CN1030552A (en) | 1988-04-20 | 1988-04-20 | Rail brake for emergency braking of train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030552A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317154C (en) * | 2001-08-23 | 2007-05-23 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Shoe brake assembly, in particular for rail vehicles |
| CN101973285A (en) * | 2010-10-29 | 2011-02-16 | 三一集团有限公司 | Anti-creep device of track running vehicle and track crane |
| CN103112474A (en) * | 2013-03-08 | 2013-05-22 | 中铁五局（集团）有限公司 | Electromobile with forcing braking device |
| CN106585659A (en) * | 2015-10-15 | 2017-04-26 | 江苏爱福特科技开发有限公司 | Braking device on tracks |
| CN108099941A (en) * | 2017-07-22 | 2018-06-01 | 黑龙江八农垦大学 | It is a kind of to justify friction train braking system without wheel |
| CN109138526A (en) * | 2018-10-31 | 2019-01-04 | 广船国际有限公司 | A kind of application method of fixed device, shelter and the fixation device |
| CN109532927A (en) * | 2019-01-04 | 2019-03-29 | 西南交通大学 | A kind of novel track Flat car brake device |
| CN110015546A (en) * | 2018-01-10 | 2019-07-16 | 郑州三和水工机械有限公司 | A kind of conveying device and its brake assemblies |
| CN110949441A (en) * | 2019-12-25 | 2020-04-03 | 重庆艾博瑞威轨道交通设备有限公司 | Automatic anti-sliding skate device of rail sightseeing train and rail sightseeing train |
| CN111516725A (en) * | 2020-04-29 | 2020-08-11 | 南通奥里斯特机械有限公司 | High-strength toughness high-speed rail brake steel back |
| CN112937627A (en) * | 2021-04-09 | 2021-06-11 | 扎赉诺尔煤业有限责任公司 | Hydraulic band-type brake device for switch train of fully mechanized caving face |
-
1988
- 1988-04-20 CN CN 88102240 patent/CN1030552A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317154C (en) * | 2001-08-23 | 2007-05-23 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Shoe brake assembly, in particular for rail vehicles |
| CN101973285A (en) * | 2010-10-29 | 2011-02-16 | 三一集团有限公司 | Anti-creep device of track running vehicle and track crane |
| CN103112474A (en) * | 2013-03-08 | 2013-05-22 | 中铁五局（集团）有限公司 | Electromobile with forcing braking device |
| CN106585659A (en) * | 2015-10-15 | 2017-04-26 | 江苏爱福特科技开发有限公司 | Braking device on tracks |
| CN108099941A (en) * | 2017-07-22 | 2018-06-01 | 黑龙江八农垦大学 | It is a kind of to justify friction train braking system without wheel |
| CN110015546A (en) * | 2018-01-10 | 2019-07-16 | 郑州三和水工机械有限公司 | A kind of conveying device and its brake assemblies |
| CN109138526A (en) * | 2018-10-31 | 2019-01-04 | 广船国际有限公司 | A kind of application method of fixed device, shelter and the fixation device |
| CN109532927A (en) * | 2019-01-04 | 2019-03-29 | 西南交通大学 | A kind of novel track Flat car brake device |
| CN110949441A (en) * | 2019-12-25 | 2020-04-03 | 重庆艾博瑞威轨道交通设备有限公司 | Automatic anti-sliding skate device of rail sightseeing train and rail sightseeing train |
| CN111516725A (en) * | 2020-04-29 | 2020-08-11 | 南通奥里斯特机械有限公司 | High-strength toughness high-speed rail brake steel back |
| CN112937627A (en) * | 2021-04-09 | 2021-06-11 | 扎赉诺尔煤业有限责任公司 | Hydraulic band-type brake device for switch train of fully mechanized caving face |
| CN112937627B (en) * | 2021-04-09 | 2023-11-10 | 扎赉诺尔煤业有限责任公司 | Hydraulic band-type brake device for fully-mechanized caving face switch train |
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| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |