CN202138389U - Extension type pedal device for railbound vehicle - Google Patents
Extension type pedal device for railbound vehicle Download PDFInfo
- Publication number
- CN202138389U CN202138389U CN201120238933U CN201120238933U CN202138389U CN 202138389 U CN202138389 U CN 202138389U CN 201120238933 U CN201120238933 U CN 201120238933U CN 201120238933 U CN201120238933 U CN 201120238933U CN 202138389 U CN202138389 U CN 202138389U
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- pedal
- motor
- latch hook
- foot pedal
- braking
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Abstract
The utility model relates to an extension type pedal device for a railbound vehicle. The pedal device comprises a fixed seat, a pedal, a motor-driven component and two belt transmission mechanisms, wherein two ends of the pedal are connected with the belt transmission mechanisms correspondingly; the motor-driven component drives the two belt transmission mechanisms to rotate; the motor-driven component and the belt transmission mechanisms are fixed on the fixed seat; the extension type pedal device further comprises a brake-releasing mechanism, a locking mechanism and an isolating lock; the brake-releasing mechanism is used for releasing the braking of a motor; the locking mechanism is used for locking the pedal; the brake-releasing mechanism is connected with the isolating lock and acts along with the rotation of a lock core of the isolating lock; and the brake-releasing mechanism drives the locking mechanism in a linkage manner to act to lock/unlock of the pedal. With the extension type pedal device, the pedal can be locked reliably through hand operation to ensure the running safety; and meanwhile, the pedal can be extended and be withdrawn through hand operation, so that the maintenance and the operation are very convenient.
Description
Technical field
The utility model relates to a kind of foot pedal apparatus of the confession passenger getting on/off that uses at guideway vehicle car door place, and particularly a kind of guideway vehicle reach foot pedal apparatus belongs to guideway vehicle manufacturing technology field.
Background technology
Entering the station when resting in platform, have certain distance at guideway vehicles such as EMUs between car body and the platform, like this, just there is potential safety hazard in the passenger when vehicle up and down.For guaranteeing passenger getting on/off convenience and assurance passenger's safety, all can be provided with foot pedal apparatus at the car door place of guideway vehicle.On present guideway vehicle; Foot pedal apparatus is general to be adopted manual turnover plate type structure or adopts automatic translation reach structure; When vehicle pull-in rests in platform, or by bus attendant manually with the foot-operated upset of turnover plate type, or stretch out to the platform direction by gross vehicle control desk automatic guidance is foot-operated; Fill up the gap between car body and the platform, avoid the passenger when getting on or off the bus, to step on sky.
On EMU, because the car door of full train all is by the supervisory control desk automatically controlled, so on motor train unit, generally all can adopt the foot pedal apparatus of automatic translation reach.Comprise a stretcher in this foot pedal apparatus, stretcher connects a belt gear, is rotated by this belt gear of driven by motor, stretches out or condensation thereby drive stretcher, and the braking of stretcher is to rely on the brake equipment of motor itself to realize.When vehicle pull-in, gross vehicle control desk control motor rotation, it is protruding to drive stretcher through belt gear; Before vehicle was driven, gross vehicle control desk control motor antiport drove stretcher through the belt reverse drive again and in car body, withdraws.This foot pedal apparatus relies on the brake equipment of motor itself to realize braking merely, and the reliability of braking is relatively poor, in addition, when emergencies such as foot pedal apparatus breaks down occurring, foot-operated use and keeps in repair all very inconvenient.
Summary of the invention
The utility model main purpose is to address the above problem, and provides a kind of braking reliable, when normal or emergency, uses and keep in repair all guideway vehicle reach foot pedal apparatus very easily.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
A kind of guideway vehicle reach foot pedal apparatus; Comprise permanent seat, pedal, motor-driven transmission device; Said pedal is connected with said motor-driven transmission device; Said motor-driven mechanism is fixed on the said permanent seat; Also comprise the braking cancel system that is used to remove motor braking, the locking mechanism that is used for the said pedal of locking and isolate lock, said braking cancel system is connected with said isolation lock and moves with the rotation of said isolation lock pin, and said braking cancel system interlock drives locking and the release that said locking mechanism action realizes said pedal.
Further; The fork that it is pivot point that said braking cancel system comprises with said isolation lock pin, with said motor-driven transmission device in retarding spring bonded assembly pipe link, with said pipe link bonded assembly seesaw, said seesaw is swung along with the rotation of said fork.
Further, also comprise the braking cancel switch, said braking cancel switch is connected with vehicle control desk signal, and the contact of said braking cancel switch contacts with said seesaw.
Further, said locking mechanism comprises latch hook, is fixed on the hook groove on the said pedal, and said latch hook is around fulcrum rotation and insert in the said hook groove and realize locking.
Further, also comprise the isolation lock-up cock, said isolation lock-up cock is connected with vehicle control desk signal, and the end of the staight shank portion of said latch hook is a cam structure, and the contact of said isolation lock-up cock contacts with said cam structure.
Further, in the staight shank portion of said latch hook, a boss is set.
Further, the compressible spring that on said latch hook, is rotatably connected.
Further, the staight shank portion of said latch hook be provided with one be used to limit said latch hook rotational angle curved positioning groove, in said positioning groove, stretch out a location pole, said location supporting rod is fixed on the said permanent seat.
Further; Comprise that also one is used to limit the position-limited lever that said latch hook rotates; Said position-limited lever roughly is instead " Z " font, and break place is provided with the rotating fulcrum of this position-limited lever therein, at this rotating fulcrum place one torsion spring is set; Two fixed ends of said torsion spring are articulated in respectively on said position-limited lever and the permanent seat, and the end of said hook groove is stuck in another break place of said position-limited lever when said pedal is withdrawn.
Further, this device also comprises pedal turnover switch, and said pedal turnover switch is connected with vehicle control desk signal, and said pedal is provided with a V-shaped flap, and the contact that said pedal passes in and out switch contacts with said flap.
Content to sum up; The described a kind of guideway vehicle reach foot pedal apparatus of the utility model, the braking that when the motor normal operation, can rely on the braking of motor itself to ride, and when abnormal failure appears in motor; Then can be through M/C to the foot-operated failure-free locking that carries out; And then the assurance traffic safety, this device can and be closed through stretching out of riding of M/C simultaneously, and maintenance and operation are all very convenient.
Description of drawings
Fig. 1 is the utility model structural representation.
As shown in Figure 1, permanent seat 1 is isolated lock 2, pedal skeleton 3, motor 4, plunging joint 5, rotating shaft 6, drive belt 7, belt pulley 8; Slide bar 9, bearing 10, fork 11, retarding spring 12, pipe link 13, seesaw 14, braking cancel switch 15, contact 16; Latch hook 17, hook groove 18, lock pin 19, bolt 20, boss 21, positioning groove 22, location supporting rod 23 is isolated lock-up cock 24; Contact 25, spring 26, dwang 27, position-limited lever 28, torsion spring 29, pedal turnover switch 30, flap 31, contact 32.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1, a kind of guideway vehicle reach foot pedal apparatus comprises permanent seat 1, pedal, motor-driven transmission device, braking cancel system, locking mechanism and isolates lock 2.
Wherein, the motor-driven transmission device is made up of motor-driven assembly and two belt gears, and the motor-driven assembly drives two belt gears and rotates.
Permanent seat 1 is fixed on the car body of car door below, and motor-driven assembly, two belt gears, braking cancel system, locking mechanisms and isolation locks 2 all are fixed on this permanent seat 1 directly or indirectly.
Pedal mainly is made up of a pedal skeleton 3 and a dull and stereotyped (not shown) that is fixed on the pedal skeleton 3.The motor-driven assembly comprises motor 4, two plunging joints 5 and two rotating shafts 6, and the motor-driven assembly is fixed on the permanent seat 1.Belt gear comprises drive belt 7 and belt pulley 8, and belt gear also is fixed on the permanent seat 1.Belt gear is two, the end of two rotating shafts 6 respectively with two belt gears in belt pulley 8 be connected.The two ends of pedal skeleton 3 are connected with the drive belt 7 of both sides respectively, move with the transmission of drive belt 7, and the both sides of pedal skeleton 3 also respectively are provided with a slide bar 9, and pedal skeleton 3 slides along slide bar 9, and slide bar 9 is fixed on the permanent seat 1 through bearing 10.When motor 4 runnings; Two rotating shafts 6 are rotated synchronously, drive two belt pulleys 8 respectively through two rotating shafts 6 again and rotate, and then drive drive belt 7 synchrodrive; Pedal skeleton 3 stretches out along with the transmission of drive belt 7 laterally, supplies the passenger to use during train up and down; When motor 4 antiports, 3 on pedal skeleton guarantees that to the body inner side withdrawal vehicle normally moves.
Motor 4 is to rely on motor 4 brake electromagnet and block brakes own to realize braking, at this moment when normal operation; Rotating shaft 6 is not rotated; Corresponding drive belt 7 remains static, and pedal also is in the braking quiescence, guarantees that pedal is in a safe condition.When emergency such as abnormal failure occurring when motor 4, pedal stretch out or the locking of withdrawing just needs manual operation, and this moment; Need at first remove the braking of motor 4, ability M/C pedal, or stretch out; Or withdrawal, and only when in the closed position, just can apply locking foot-operated.
Be provided with the braking cancel system that is used to remove motor 4 brakings in the present embodiment; As shown in Figure 1, the braking cancel system comprise with the lock core of isolating lock 2 be pivot point fork 11, with the motor-driven assembly in retarding spring 12 bonded assembly pipe links 13, with pipe link 13 bonded assembly seesaws 14.In the present embodiment, fork 11 has adopted the shape of approximate hook, also can adopt the structure of cam, and fork 11 is connected with isolation lock 2, and rotates with the rotation of isolating lock 2 lock cores.Remove motor 4 glancing impacts at needs, the manual clickwise of operating personal is isolated the lock core of lock 2, and fork 11 upwards rotates thereupon; And then press to seesaw 14, swing at the pressure that fork 11 rotates down and to the left on the top of seesaw 14, at this moment; Pipe link 13 moves under the drive of seesaw 14 to the right, and then stretching retarding spring 12, and brake shoe and brake wheel in the block brake are separated; Brake off, thus rotating shaft 6, belt pulley 8 just can rotate, drive belt 7 also can turn round; Through the M/C pedal, just can realize moving of pedal.
The unified control of vehicle control desk for ease; Also be provided with braking cancel switch 15 in the present embodiment; Braking cancel switch 15 is connected with vehicle control desk signal, and braking cancel switch 15 is fixed on the permanent seat 1, and the contact 16 of braking cancel switch 15 contacts with the bottom of seesaw 14.When the M/C brake off; The top of seesaw 14 is swing to the left under the rotation pressure of fork 11; The bottom of seesaw 14 will be swung to the right; Thereby give 16 1 pressure of contact, contact 16 withdrawals and then shake-up braking cancel switch 15, and send the discharged signal of braking to the vehicle control desk simultaneously.
Locking mechanism is used for manual locking pedal when motor 4 breaks down, and locking mechanism comprises latch hook 17 and hook groove 18, and hook groove 18 is fixed on the pedal skeleton 3 through bolt 20.In the present embodiment, hook groove 18 is made up of two flat boards roughly triangular in shape and the lock pin 19 that two flat boards are coupled together that is positioned at head, and latch hook 17 is around fulcrum rotation and insert the locking that just can realize pedal in the hook groove 18.The pivot point of latch hook 17 is coaxial with the pivot point of above-mentioned fork 11, and latch hook 17 is fixed on the permanent seat 1 with fork 11 is all rotating.
One boss 21 is set in the staight shank portion of latch hook 17, and fork 11 is when turning to certain angle, i.e. motor 4 brakings are with the angle of releasing; The staight shank portion that fork 11 is not held will contact with boss 21; And isolate under the drive of lock 2 lock cores in hand rotation, continue to give 21 1 of boss to the power that presses down, and then drive latch hook 17 and rotate around fulcrum; Realize the interlock rotation of braking cancel system and locking mechanism; The crotch portion of latch hook 17 rotates and is inserted in the hook groove 18, hooks lock pin 19, realizes the locking of pedal.When having only pedal to be in to regain fully, could realize manual locking through this mechanical interlocked realization.
The staight shank portion of latch hook 17 be provided with one be used to limit latch hook 17 rotational angles curved positioning groove 22; In positioning groove 22, stretch out a location pole 23; Location supporting rod 23 is fixed on the permanent seat 1, and the radian of positioning groove 22 is identical with the radius of rotation of latch hook 17.
A compressible spring 26 is rotatably connected on latch hook 17; Spring 26 is enclosed within on the dwang 27; The end of dwang 27 and latch hook 17 are rotatably connected, and the other end of dwang 27 passes the perforate (not shown) that is arranged on the permanent seat 1, and the diameter of perforate is less than the diameter of spring 26.As shown in Figure 1, for spring 26 normal positions, when latch hook 17 needs the locking pedal; Spring 26 will be compressed; This moment, the elastic force of spring 26 can avoid latch hook 17 to swing back and forth, and then guaranteed that the pedal locking is reliable, in addition; When touching except that the pedal locking, the elastic force of spring 26 also can help latch hook 17 to get back to position as shown in Figure 1.
The unified control of vehicle control desk for ease; Also be provided with in the present embodiment and isolate lock-up cock 24; Isolating lock-up cock 24 is connected with vehicle control desk signal; Isolate lock-up cock 24 and be fixed on the permanent seat 1, the contact 25 of isolating lock-up cock 24 contacts with the end of the staight shank portion of latch hook 17, and the structure of cam-type is adopted in the end of latch hook 17 staight shank portions.When latch hook 17 clickwises, contact 25 will move down under the action of cam, and lock-up cock 24 is isolated in contact 25 withdrawals and then shake-up, and sends the pedal signal of locking to the vehicle control desk simultaneously.
When pedal stretched out, position-limited lever 28 was having no under the situation about stopping and can rotate, the motion of this sport restriction latch hook 17; When foot-operated the withdrawal, lock pin 19 promotes the limit movement that position-limited lever 28 is removed latch hook 17, and this moment; Like the manual locking pedal of needs; Rotate the lock core of isolating lock 2, latch hook 17 will keep off in lock pin 19 fronts, thereby can stop moving of pedal; Thereby also guarantee to have only pedal to be in when regaining fully, could realize manual locking.
As shown in Figure 1, in the present embodiment, be provided with a position-limited lever 28, be used to limit latch hook 17 and rotate.Position-limited lever 28 roughly is instead " Z " font; Be provided with the rotating fulcrum of this position-limited lever 28 at the break place of position-limited lever 28 bottoms; At this rotating fulcrum place one torsion spring 29 is set, two fixed ends of torsion spring 29 are articulated in respectively on position-limited lever 28 and the permanent seat 1, in the present embodiment; Between torsion spring 29 and the permanent seat 1 is indirect securement; Be that a fixed end in the torsion spring 29 is fixed on the location supporting rod 23, torsion spring 29 reverses along with the rotation of position-limited lever 28, and position as shown in Figure 1 is that torsion spring 29 is in the position of moment of torsion.The break on position-limited lever 28 tops just is stuck in lock pin 19 places of hook groove 18 heads when the pedal locking.
After pedal stretches out; Position-limited lever 28 is under the effect of torsion spring 29 torsion; Clickwise is the normal position until torsion spring 29, also plays a part spacing between the bottom of the other end of position-limited lever 28 and latch hook 17; The head of position-limited lever 28 just retaining makes latch hook 17 can not continue to rotate below latch hook 17 again.At this moment, like need manual refraction pedal, lock pin 19 will at first be stuck in the break place of position-limited lever 28 tops, when promoting pedal, also promotes position-limited lever 28 left-hand revolutions, forced back towards locked position until pedal.
Also comprise pedal turnover switch 30 at this device, pedal turnover switch 30 is connected with vehicle control desk signal, on pedal skeleton 3, is fixedly connected with a V-shaped flap 31, and the contact 32 of pedal turnover switch 30 contacts with flap 31.When pedal is in when withdrawal, under the pressure of the flap 31 of " V " shape, contact 32 withdrawals and then touch pedal turnover switch 30, and send the signal that pedal has been withdrawn to the vehicle control desk simultaneously.When pedal stretched out, flap 31 will leave contact 32, and contact 32 ejects, and pedal turnover switch 30 also sends the signal that pedal has stretched out to the vehicle control desk simultaneously.
As stated, in conjunction with the given scheme content of accompanying drawing, can derive the similar techniques scheme.In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (10)
1. guideway vehicle reach foot pedal apparatus; Comprise permanent seat, pedal, motor-driven transmission device; Said pedal is connected with said motor-driven transmission device; Said motor-driven mechanism is fixed on the said permanent seat; It is characterized in that: also comprise the braking cancel system that is used to remove motor braking, the locking mechanism that is used for the said pedal of locking and isolate lock, said braking cancel system is connected with said isolation lock and moves with the rotation of said isolation lock pin, and said braking cancel system interlock drives locking and the release that said locking mechanism action realizes said pedal.
2. guideway vehicle reach foot pedal apparatus according to claim 1; It is characterized in that: the fork that it is pivot point that said braking cancel system comprises with said isolation lock pin, with said motor-driven transmission device in retarding spring bonded assembly pipe link, with said pipe link bonded assembly seesaw, said seesaw is swung along with the rotation of said fork.
3. guideway vehicle reach foot pedal apparatus according to claim 2 is characterized in that: also comprise the braking cancel switch, said braking cancel switch is connected with vehicle control desk signal, and the contact of said braking cancel switch contacts with said seesaw.
4. guideway vehicle reach foot pedal apparatus according to claim 1 is characterized in that: said locking mechanism comprises latch hook, is fixed on the hook groove on the said pedal, and said latch hook is around fulcrum rotation and insert in the said hook groove and realize locking.
5. guideway vehicle reach foot pedal apparatus according to claim 4; It is characterized in that: also comprise the isolation lock-up cock; Said isolation lock-up cock is connected with vehicle control desk signal; The end of the staight shank portion of said latch hook is a cam structure, and the contact of said isolation lock-up cock contacts with said cam structure.
6. guideway vehicle reach foot pedal apparatus according to claim 4 is characterized in that: in the staight shank portion of said latch hook, a boss is set.
7. guideway vehicle reach foot pedal apparatus according to claim 4 is characterized in that: a compressible spring is rotatably connected on said latch hook.
8. guideway vehicle reach foot pedal apparatus according to claim 4; It is characterized in that: the staight shank portion of said latch hook be provided with one be used to limit said latch hook rotational angle curved positioning groove; In said positioning groove, stretch out a location pole, said location supporting rod is fixed on the said permanent seat.
9. guideway vehicle reach foot pedal apparatus according to claim 4; It is characterized in that: comprise that also one is used to limit the position-limited lever that said latch hook rotates; Said position-limited lever roughly is instead " Z " font, and break place is provided with the rotating fulcrum of this position-limited lever therein, at this rotating fulcrum place one torsion spring is set; Two fixed ends of said torsion spring are articulated in respectively on said position-limited lever and the permanent seat, and the end of said hook groove is stuck in another break place of said position-limited lever when said pedal is withdrawn.
10. guideway vehicle reach foot pedal apparatus according to claim 1; It is characterized in that: also comprise pedal turnover switch; Said pedal turnover switch is connected with vehicle control desk signal; Said pedal is provided with a V-shaped flap, and the contact of said pedal turnover switch contacts with said flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120238933U CN202138389U (en) | 2011-07-08 | 2011-07-08 | Extension type pedal device for railbound vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120238933U CN202138389U (en) | 2011-07-08 | 2011-07-08 | Extension type pedal device for railbound vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202138389U true CN202138389U (en) | 2012-02-08 |
Family
ID=45549465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120238933U Expired - Lifetime CN202138389U (en) | 2011-07-08 | 2011-07-08 | Extension type pedal device for railbound vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202138389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054763A1 (en) * | 2015-09-30 | 2017-04-06 | 上海嘉成轨道交通安全保障系统股份公司 | Locking structure of safety footstep for rail transit platform |
| CN106740926A (en) * | 2016-12-28 | 2017-05-31 | 南京康尼机电股份有限公司 | A kind of safety insulating device for rail transit train |
-
2011
- 2011-07-08 CN CN201120238933U patent/CN202138389U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054763A1 (en) * | 2015-09-30 | 2017-04-06 | 上海嘉成轨道交通安全保障系统股份公司 | Locking structure of safety footstep for rail transit platform |
| CN106740926A (en) * | 2016-12-28 | 2017-05-31 | 南京康尼机电股份有限公司 | A kind of safety insulating device for rail transit train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |