CN204871057U - Standardized for EMUs emergency braking operate a switch - Google Patents

Abstract

The utility model provides a standardized for EMUs emergency braking operate a switch, its includes be used for installing the base on the vehicle headwall, be equipped with hexagon nut, auto -lock packing ring, plain washer, especially big packing ring, lock washer and hexagon head bolt on the base right side and be used for ground connection, the slide bar with the pressure equipment of slide bar spring in the base cross bore, the hand (hold) seat is adorned in the base spout, reset spring is equipped with in two holes of hand (hold) seat lower extreme, seals the hand (hold) seat in the base spout when protecting cover supports reset spring to fix the protecting cover on the base by hexagon socket countersunk head screw, the hand (hold) is fixed on the hand (hold) seat by soket head cap screw and lock washer, the release link is installed in base left side, and hexagonal holding screw in being equipped with on release link lower extreme base is by the cylindric lock on with shift fork suit base, fix on the base right side by hexagon head bolt behind the electric snap action switch pad insulation board. Cancelled with emergency brake valve's tube coupling, avoid causing the parking because of the connecting line leaks, and installation and easy maintenance, easily operation.

Description

Normalisation motor train unit emergency braking is operated a switch

Technical field

The invention belongs to track traffic normalisation motor train unit brake unit technical field, the emergency braking especially a kind of track traffic normalisation Braking System for Multiple Units used is operated a switch.

Background technology

Normalisation motor train unit are in normal course of operation, and in guest room, occasional occurs that some emergency situations need to stop, but in a lot of situation, driver cannot know, therefore cannot stop, and therefore can not process in time the emergency situation that passenger occurs, thus leave future trouble.

Existing emergency braking is operated a switch as Pneumatic-control type, be connected with emergency brake valve by pipeline, when passenger leave behind emergency braking operate a switch time, trigger emergency braking valve events by train tube pressure air discharged to air, then permutation car emergency braking until stop, emergency brake valve with electric contact, when implement emergency braking time, emergency brake valve can produce electric signal, makes to be located at the warning indicator lamp flicker at stopping sliding door place outside car body.

The shortcoming that Pneumatic-control type emergency braking is operated a switch: to be operated a switch enforcement emergency braking by passenger or service on buses or trains people direct control emergency braking, alerting signal is sent out by emergency brake valve after enforcement emergency braking, passenger carries out emergency braking under can not taking train operation circuit road conditions and vehicle condition into account, there is larger parking potential safety hazard, can be accidents caused time serious.And operating mechanism is loosely organized, emergency braking is comparatively large, not easy to operate with moment of torsion when resetting, and is thus necessary to be improved on this basis.

Summary of the invention

Technical matters to be solved by this invention is to provide a kind of normalisation motor train unit emergency braking and operates a switch, when there is emergency situation and needing to stop, passenger or crew member can the emergency braking of autonomous operation to operate a switch device, after emergency braking of leaving behind is operated a switch, emergency braking is operated a switch and can be sent out alerting signal to driver, whether stopped according to road conditions and vehicle condition process by driver in 3 seconds, if driver does not process after 3 seconds, automatic braking of train stops.To make rapid, safe out of service of permutation car, and emergency situation remove after can carry out hand reset, after resetting, train can continue normal traveling.

The technical solution used in the present invention is as follows:

A kind of normalisation motor train unit emergency braking is operated a switch, and it is characterized in that: it comprises the base for being arranged on vehicle headwall, hexagonal nut, self-locking packing ring, flat gasket, especially big packing ring, safety washer and hex bolt being housed for ground connection on the right side of base; Slide bar by slide bar pressure mounting of the spring in base cross-drilled hole, handle bracket is contained in chute of base, handle bracket lower end holes is equipped with retracing spring, is enclosed in chute of base by handle bracket while protecting cover props up retracing spring, and is fixed on base by hexagon socket countersunk flat cap head screw by protecting cover; Hand is being fixed on handle bracket by socket head cap screw and safety washer; Chassis left side is provided with reset lever, reset lever lower end base is equipped with interior hexagonal holding screw, is set with on base by straight pin by shift fork; Be fixed on the right side of base by hex bolt after quick action switch pad insulcrete.

When there is emergency situation and needing to stop, emergency braking is operated a switch hand past drop-down by passenger or crew member, after handle bracket left side departs from slide bar step surface, slide bar is turned right slip under the effect of slide bar spring force, when slide bar slips in the bayonet socket of handle bracket, by handle bracket and handle lock in emergency braking condition position, the action of the quick action switch of slide bar right side touching simultaneously trigger mechanism, quick action switch is to driver's cab output alarm signal, processed by driver in 3 seconds and whether stop, if driver does not process after 3 seconds, automatic braking of train stops, to make permutation car rapid, the stopping of safety.After emergency situation is removed, available corner lock key is enclosed within reset lever cw and pulls about 30 degree, reset lever drives shift fork to rotate counterclockwise, shift fork band moving slide-bar is turned left movement, after slide bar step surface exits handle bracket end face, handle bracket moves up under the effect of retracing spring elastic force, block bottom handle bracket U-lag spacing by slide bar, handle bracket left side props up slide bar step surface, quick action switch trigger mechanism is left in slide bar right side simultaneously, quick action switch resets and removes alerting signal, and after resetting, train can continue normal traveling.

Compared with prior art, the invention has the beneficial effects as follows:

1, eliminate and be connected with the pipeline of emergency brake valve, avoid causing parking because connecting line leaks, and easy to installation and maintenance.

2, operating mechanism design science rationally, simply compact, Emergency Negative Thrust operating effort and reset torque less, be easy to operation.

3, after emergency braking of leaving behind is operated a switch, whether emergency braking is operated a switch and can be sent out alerting signal to driver, stopped in 3 seconds by driver according to road conditions and vehicle condition process, if driver does not process after 3 seconds, automatic braking of train stops.To make rapid, safe out of service of permutation car.

Accompanying drawing explanation

Fig. 1 is the plane structure chart that an embodiment of the present invention emergency braking is operated a switch;

Fig. 2 is the plane structure chart of existing emergency braking pulling box;

Fig. 3 is the lateral plan of Fig. 2.

Shown in figure:

1, base; 2, reset lever; 3, shift fork; 4, slide bar; 5, slide bar spring; 6, handle bracket; 7, hex bolt; 8, quick action switch; 9, insulcrete; 10, retracing spring; 11, protecting cover; 12, hand handle; 13, straight pin; 14, interior hexagonal holding screw; 15, hexagon socket countersunk flat cap head screw; 16, hexagonal nut; 17, self-locking packing ring; 18, flat gasket; 19, safety washer; 20, hexagon socket countersunk flat cap head screw; 21, socket head cap screw; 22, safety washer.

Detailed description of the invention

Shown in Fig. 1, Fig. 2, Fig. 3, a kind of normalisation motor train unit emergency braking is operated a switch, its structure comprises the base 1 for being arranged on vehicle headwall, and hexagonal nut 16, self-locking packing ring 17, flat gasket 18, safety washer 19 and hexagon socket countersunk flat cap head screw 20 are equipped with for ground connection in base 1 lower right side; Slide bar spring 5 is fitted in base 1 cross-drilled hole by slide bar 4, handle bracket 6 is contained in base 1 chute, handle bracket 6 lower end holes is equipped with retracing spring 10, while protecting cover 11 props up retracing spring 10, handle bracket 6 is enclosed in base 1 chute, and by hexagon socket countersunk flat cap head screw 15, protecting cover 11 is fixed on base 1; Hand is fixed on 12 on handle bracket 6 by socket head cap screw 21 and safety washer 22; Reset lever 2 is installed on the left of base 1, reset lever 2 lower end base 1 is equipped with interior hexagonal holding screw 14, by straight pin 13, shift fork 3 is set with on base 1; Be fixed on the right side of base by hex bolt 7 after quick action switch 8 pads insulcrete 9.

When there is emergency situation and needing to stop, emergency braking is operated a switch hand 12 toward drop-down by passenger or crew member, after handle bracket 6 right side departs from slide bar 4 step surface, slide bar 4 is turned left slip under the effect of slide bar spring 5 elastic force, when in the bayonet socket that slide bar 4 slips into handle bracket 6, handle bracket 6 and hand are locked in emergency braking condition position 12, the slide block touching quick action switch 8 trigger mechanism action of handle bracket 6 bottom simultaneously, quick action switch 8 is to driver's cab output alarm signal, processed by driver in 3 seconds and whether stop, if driver does not process after 3 seconds, automatic braking of train stops, to make permutation car rapid, the stopping of safety.After emergency situation is removed, available corner lock key is enclosed within reset lever 2 cw and pulls about 25 degree, reset lever 2 drives shift fork 3 to rotate counterclockwise, shift fork 3 is with moving slide-bar 4 toward moving right, after slide bar 4 step surface exits handle bracket 6 end face, handle bracket 6 moves up under the effect of retracing spring 10 elastic force, handle bracket 6U shape trench bottom is blocked spacing by slide bar 4, handle bracket 6 right side props up slide bar 4 step surface, the slide block of handle bracket 6 bottom leaves quick action switch 8 trigger mechanism simultaneously, quick action switch 8 resets and removes alerting signal, and after resetting, train can continue normal traveling.

Fig. 2 and Fig. 3 is that the emergency braking of the trolley coach application of current place in operation is operated a switch, and its structure comprises the base plate 4 for being arranged on vehicle headwall, and main body 5 is fixed on base plate 1 by cross recessed countersunk head sscrew 18; Fan-shaped braces 3 is arranged between base plate 1 and main body 5 by braces axle 17, fan-shaped braces 3 is connected by bearing pin 20 with valve head 13, shutoff 12 is enclosed within interior little spring 10 and is contained in valve head 13, valve seat 14 is contained in main body 5 right ports, interior big spring 9 is housed between valve seat 14 and valve head 13, cutting ferrule 15 and swivel nut 16 are housed on the right side of valve seat 14, for emergency braking connecting line; Claw 2 is by pinned connection between main body 5 and base plate 1, and spring guide pillar 6 is sleeved on claw 2 by pivot shaft 11, and connects with springiness straight pin 21, and handle 1 is connected on pivot shaft 11 by Cross Recess Head Screw 19; Tooth axle 7 is contained between fan-shaped braces 3 lower end main body 5 and base plate.

When leave behind handle 1 time, spring 8 between claw 2 and main body 5 is compressed to store back stretch, claw 2 bayonet socket departs from valve head 13 simultaneously, valve head 13 to the left movement makes shutoff 12 lift off a seat 14, because valve seat 14 is connected with emergency brake valve pipeline by cutting ferrule 15, swivel nut 16, by emergency brake valve air draft to realize emergency braking, emergency brake valve can produce electric signal, makes to be located at the warning indicator lamp flicker at stopping sliding door place outside car body.When implementing emergency braking, driving fan-shaped braces 3 to form eccentric swing by braces axle 17 by bearing pin 20 when valve head 13 is moved to the left, and being rotated by fan-shaped braces 3 lower end gear shaft with gear 7.After emergency situation is removed, available corner lock key is enclosed within tooth axle 7 cw and pulls about 50 degree, and tooth axle 7 drives fan-shaped braces 3 to swing to the right, impels valve head 13 to move to side to make shutoff 12 withstand valve seat 14 sealing; Claw 2 resets under the effect of spring 8 elastic force, makes claw 2 bayonet socket face prop up valve head 13 left side.

Claims (1)

1. a normalisation motor train unit emergency braking is operated a switch, it is characterized in that: it comprises the base for being arranged on vehicle headwall, hexagonal nut, self-locking packing ring, flat gasket, especially big packing ring, safety washer and hex bolt being housed for ground connection on the right side of base; Slide bar by slide bar pressure mounting of the spring in base cross-drilled hole, handle bracket is contained in chute of base, handle bracket lower end holes is equipped with retracing spring, is enclosed in chute of base by handle bracket while protecting cover props up retracing spring, and is fixed on base by hexagon socket countersunk flat cap head screw by protecting cover; Hand is being fixed on handle bracket by socket head cap screw and safety washer; Chassis left side is provided with reset lever, reset lever lower end base is equipped with interior hexagonal holding screw, is set with on base by straight pin by shift fork; Be fixed on the right side of base by hex bolt after quick action switch pad insulcrete.