CN102653290A

CN102653290A - Undercarriage of two-wheeler

Info

Publication number: CN102653290A
Application number: CN2011100522648A
Authority: CN
Inventors: 朱安定; 刘路
Original assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Current assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Priority date: 2011-03-04
Filing date: 2011-03-04
Publication date: 2012-09-05
Anticipated expiration: 2031-03-04
Also published as: CN102653290B

Abstract

The invention relates to an undercarriage of a two-wheeler, comprising two front-wheel drive rods which are arranged in parallel, and an operation part, wherein each front-wheel drive rod comprises a first sliding rod and a second sliding rod; the second sliding rod is connected with wheels; the first sliding rod can slide relative to the second sliding rod; and the operation part is connected to the second sliding rod and is capable of controlling up and down of a front wheel. The undercarriage of the two-wheeler has the beneficial effect that the front wheel can be convenient to uplift.

Description

The two-wheel car alighting gear

Technical field

The present invention relates to a kind of two-wheel car alighting gear.

Background technology

Along with the development of society, the improving constantly of living standards of the people, the increasing walking-replacing tool that becomes people of two-wheel car brings great convenience for people's life.

In the prior art, the Parking of two-wheel car generally has dual mode, respectively corresponding two kinds of foot rests, and a kind of foot rest is single leg, another kind is two legs.The foot rest of single leg generally is located at body bottom one side, when two-wheel car is stopped, opens foot rest; And make body side to foot rest one side, and realizing supported at three point through two tires and foot rest, this Parking mode is more laborsaving; But deficiency is vehicle body and need tilts to park; Foot rest is born big weight, makes two-wheel car stable inadequately, swings to support one side easily; The foot rest of two legs comprises two legs, and two legs are symmetrically set in the vehicle body both sides, utilizes the foot rest of two legs to park two-wheel car; Vehicle body does not need to tilt, and relies on two legs and one of them tire to accomplish supported at three point, so more stable; Be not easy down, but problem is that the two-wheel car vehicle body is often heavier; When parking, need lift vehicle body, require great effort very much weak very difficult completion.

In view of this, be necessary to provide a kind of new two-wheel car halting mechanism.

Summary of the invention

To the deficiency of prior art, the technical matters that the present invention solves provides a kind ofly can control the alighting gear that front-wheel lifts.

For solving the problems of the technologies described above; Technical scheme of the present invention is achieved in that a kind of two-wheel car alighting gear; Comprise two f-w-d bars that laterally arrange, each f-w-d bar comprises first sliding bar and second sliding bar, and second sliding bar is connected with wheel; First sliding bar can slide with respect to said second sliding bar, wherein also comprise one be connected to second sliding bar the may command front-wheel manoeuvre portion of rising and falling.

Further, said manoeuvre portion comprises a turning cylinder, joystick that rises and falls, is fixedly connected on the link span that rises and falls of the joystick that rises and falls, and the link span that rises and falls is sheathed on turning cylinder and the moving axis that can rotate rotates.

Further, the said link span that rises and falls comprises drive plate, and turning cylinder passes said drive plate, and the drive plate moving axis that can rotate rotates.

Further, be connected with connecting arm on the said drive plate, an end accentric of connecting arm is arranged at drive plate.

Further, the said link span that rises and falls comprises a check plate, and turning cylinder passes said check plate, and the check plate moving axis that can rotate rotates.

Further, be connected with a connecting arm on the said check plate, an end accentric of connecting arm is arranged at check plate.

Further, check plate and drive plate are connected with a damping pipe link with the coaxial setting of the point of connection of connecting arm, the other end of two connecting arms.

Further, the said joystick both sides of rising and falling are provided with the pair of metal plate, and the two ends of turning cylinder are fixed on the metal sheet.

Further, metal sheet is provided with chute, and alighting gear also is provided with a Metallic rod, and Metallic rod is passed the coupling end of damping pipe link and connecting arm, and Metallic rod is passed said chute and can be slided along chute.

Further; Also comprise a braking roll; Be arranged with first retainer that is used for the stop check plate on the braking roll respectively and reach second retainer in order to cooperate with drive plate; Also be arranged with spring on the braking roll between said first retainer and second retainer, the two ends of said spring connect first retainer and second retainer respectively, and make said first retainer and second retainer have the power that opposite sense rotates.

Further, said first retainer comprises support division and projection, and check plate is provided with to match with this support division realizes the trip spacing to check plate.

Further, said second retainer is " L " shape, comprises that vertical edge reaches limit anyhow.

Further; Also be provided with a stopper on the said turning cylinder, stopper is arranged at the side towards drive plate of check plate, comprises arc chute, the rotatable arc port that is sheathed on said turning cylinder; Convexedly stretch in the convex extension part of check plate top and bayonet socket and the breach of being located at said stopper side; Said check plate also is fixed with round bar towards drive plate one side, and said round bar passes arc chute, and stopper can slide around arc port and along the scope of arc chute.

Further, can match with the bayonet socket and the breach of said stopper in the limit anyhow of said second retainer.

Further, the vertical edge of said second retainer can connect with said drive plate.

Further, said f-w-d bar is the fluid pressure type guide rod, is fixedly connected with lower linking plate between said two second sliding bars, and said manoeuvre portion is connected with said lower linking plate.

Further, said alighting gear also comprises a plate, and said drive plate one end is rotationally connected with two-wheel car, and the other end is rotationally connected with said lower linking plate.

Further, said damping pipe link one end connects manoeuvre portion, and the other end is rotationally connected with said connecting panel.

Compared with prior art, the invention has the beneficial effects as follows: through the motion of the joystick control f-w-d bar that rises and falls, can lift front-wheel easily, and it is stable, convenient, laborsaving to stop.

Description of drawings

Shown in Figure 1ly be the schematic perspective view after vehicle frame of the present invention, headstock assembly and the wheel assembly assembling.

Shown in Figure 2 for the schematic perspective view of vehicle frame of the present invention.

Shown in Figure 3 for the schematic perspective view of connecting element of the present invention.

Shown in Figure 4 is the present invention's first capstan winch and the interactional scheme drawing of second capstan winch.

Shown in Figure 5 for the schematic perspective view of headstock assembly of the present invention.

Shown in Figure 6 for the schematic perspective view of manoeuvre portion of the present invention.

Shown in Figure 7 for the three-dimensional exploded perspective view of manoeuvre portion of the present invention.

Shown in Figure 8 for the schematic perspective view of stopper of the present invention.

Shown in Figure 9 for the schematic perspective view of foot rest of the present invention.

The specific embodiment

Join shown in Figure 1ly, two-wheel car of the present invention comprises vehicle frame 10, lay respectively at the front-wheel and the trailing wheel (not shown) at vehicle frame 10 the place aheads and rear, be located at vehicle frame 10 the place aheads headstock assembly 20, be located at the wheel assembly 30 at vehicle frame 10 rears and be connected in the halting mechanism 40 on the vehicle frame 10.

Join shown in Figure 2ly, vehicle frame 10 comprises support beam 11, side stand 12 and seat bracket 13, and the assembling of support beam 11, side stand 12 and seat bracket 13 makes vehicle frame integral body be cradle-type.

Support beam 11 is set to two, is respectively first support beam and second support beam that are positioned at same plane, and each support beam 11 is processed for the bigger metal material of hardness, and its top is formed with groove (ginseng Fig. 3) along longitudinally, and the cross section is concave shape.Each support beam 11 comprises the flat part 111 of rectangle, from first bending part 112 of flat part 111 1 ends bendings and from second bending part 113 of flat part 111 other ends bending; First kink 112 and second kink 113 are positioned at the same side of flat part 111; And first kink 112 and second kink 113 and flat part 111 form the recess of a spill; Two support beams 11 dorsad and be horizontally disposed with, recess is towards opposite sense.Through metal shaft 14 (ginseng Fig. 5) captive joint, the connecting arm 15 through arc between two first bending parts 112 connects between two flat parts 111.Side stand 12 is symmetrically set in support beam 11 both sides; Each side stand 12 is roughly L-shaped; Comprise the horizon bar 121 and the roughly vertical vertical rod 122 that are positioned at support beam 11 belows with horizon bar; Horizon bar 121 is captiveed joint with second bending part 113 of support beam 11, and vertical rod 122 is fixedly connected on first bending part 112 of support beam 11 through leg-of-mutton connecting element 16; Seat bracket 13 is fixedly connected on second bending part, 113 tops of support beam 11, comprises in order to the base support 131 of underwriter's body weight and in order to the back bracket 132 against human body back.

Vehicle frame 10 of the present invention makes the integral body of vehicle frame 10 be cradle-type through the connection of support beam 11, side stand 12 and seat bracket 13, and the driver is more comfortable under steam.Because support beam 11 for the sheet metal bending forms, can bear bigger pressure and impact, improved the solidness of vehicle frame 10 greatly simultaneously.

Join shown in Figure 3ly, connecting element 16 is in order to fixation side support 12 and support beam 11, comprises in order to the accepting groove 161 of accommodating vertical rod 122 and in order to connect the extension 162 of support beam 11.When two-wheel car receives when clashing into, connecting element 16 is passed to support beam 11 with external force, because support beam 11 comparatively robusts, can effectively keep out exterior stressedly, avoids the bigger distortion of two-wheel car, and then the protection driver.

Join shown in Figure 5ly, headstock assembly 20 is connected in the place ahead of vehicle frame 10, comprises handlebar 21 and alighting gear 29.Alighting gear 29 comprises f-w-d bar 23, and f-w-d bar 23 comprises two fluid pressure type guide rods that laterally arrange, and through lower linking plate 17 fixing and connections, the end of f-w-d bar 23 is connected with front-wheel between its two f-w-d bars 23.F-w-d bar 23 is rotationally connected with vehicle frame 10 through a plate 18; Wherein, One end of connecting panel 18 is sheathed on the said metal shaft 14, and to realize being rotationally connected of connecting panel 18 and vehicle frame 10, the other end of connecting panel 18 is rotationally connected with on the lower linking plate 17 through bearing.Between manoeuvre portion 22 and connecting panel 18, also be connected with damping pipe link 19; Damping pipe link 19 can also drive connecting panel 18 through up-and-down movement and rotate around metal shaft 14 when playing cushioning effect, and then passes through rotation the stretching up and down with driving f-w-d bar 23 of connecting panel 18.

Ginseng Fig. 1, Fig. 6 and shown in Figure 9, halting mechanism 40 comprises that foot rest 41 and is in order to control the foot rest joystick 42 of said foot rest 41.Foot rest 41 rotating being installed on the horizon bar 121; It comprises three legs (not label); Wherein two legs are rotationally connected with respectively on two horizon bars 121; Be fixedly connected with 411, the three legs of round bar between these two legs and be fixed on this round bar 411, the bottom of three legs of said foot rest 41 is positioned at same plane.Foot rest 41 is connected on the horizon bar 121 through spring away from an end of horizon bar 121; Said spring is strained foot rest 41 and is driven foot rest 41 and rotates horizon bar 121; Definition foot rest 41 position this moment is a primary importance, and definition foot rest 41 deviates from horizon bar 121 from primary importance, and to rotate 90 upright positions when spending be the second place.Foot rest joystick 42 is positioned on the manoeuvre portion 22, turns to the second place in order to control foot rest 41 from primary importance.On foot rest joystick 42 and foot rest 41, be fixedly connected with first capstan winch 421 and second capstan winch, 412, the first capstan winches 421 and second capstan winch 412 respectively and can be same capstan winch.Be provided with turning cylinder 225 between two metal sheets 222; First capstan winch 421 is sheathed on this turning cylinder; The end of foot rest joystick 42 is fixed with link span 226; Link span 226 rotates to be located on the turning cylinder 225 and with first capstan winch 421 and fixes, and when manipulation foot rest joystick 42 upwards lifts and rotate moving axis 225 rotations, can drive first capstan winch 421 and rotate.

Join shown in Figure 4ly, be connected with the hawser 43 of the figure of eight between first capstan winch 421 and second capstan winch 412, each capstan winch is provided with two trips 413, and said trip 413 is in order to an end of the said hawser 43 of captive joint.A trip on first capstan winch 421 is connected in a trip on second capstan winch 412 through hawser, and another trip on first capstan winch 421 is connected in second trip on second capstan winch 412 through hawser.When first capstan winch 421 under the driving of foot rest joystick 42 when first direction rotates, the trip on first capstan winch 421 can spur corresponding trip on second capstan winch 412 through hawser, and drives second capstan winch 412 and rotate around third direction, and then drives foot rest 41 and rotate; When first capstan winch 421 under the driving of foot rest joystick 42 when the second direction opposite with first direction rotated; Trip on first capstan winch 421 can spur corresponding trip on second capstan winch 412 through hawser; And drive second capstan winch 412 around the four directions opposite with third direction to rotation, and then drive foot rest 41 and rotate.

With reference to figure 4, form an opening between two trips of each capstan winch, be respectively first opening and second opening.First capstan winch 421 is arranged at the top at foot rest joystick 42 places, and opening is towards handlebar assembly 20 place direction, i.e. the place aheads; Second capstan winch 412 is arranged at the below at foot rest 41 places, below, and opening is towards the rear.Hawser 43 comprises two altogether; Be respectively first hawser 431 and second hawser 432; One end of first hawser 431 is connected in first capstan winch 421 and leans on last trip; Walk around first capstan winch 421 from the top of first capstan winch 421 to extending below, and pass two capstan winch lines of centres, from the below of second capstan winch 412 be connected to second capstan winch 412 by under trip; Second hawser, 432 1 ends are connected in the below trip of first capstan winch 421, and the other end is connected to the top trip of second capstan winch 412.Two hawsers are the eight shape setting.When first capstan winch 421 when anticlockwise direction rotates, first hawser 431 drives second capstan winch, 412 clickwises, and foot rest 41 is rotated to the second place; When first capstan winch 421 during around right-hand revolution, second hawser 432 drives second capstan winch, 412 left-hand revolutions, and foot rest is rotated to primary importance.

When foot rest 41 was positioned at the second place, the bottom of front-wheel, trailing wheel and foot rest was positioned at same plane.Be easy to expect, when foot rest 41 when primary importance turns to the second place, also can there be a less clearance bottom of foot rest 41 with ground, promptly is higher than the plane at trailing wheel and front-wheel place.

In the present invention, to turn to the second place from primary importance be to realize like this to foot rest 41

1, handles foot rest joystick 42;

2, foot rest joystick 42 drives first capstan winch 421 rotates;

3, first capstan winch 421 spurs hawsers and drives second capstan winch 412 and rotates;

4, second capstan winch 412 drives foot rests 41 and rotates, and makes foot rest 41 turn to the second place from primary importance, and spring was stretched and made foot rest have the moment of rotating to the primary importance direction from the second place this moment.

When foot rest 41 was positioned at the second place, foot rest 41 was not played a supporting role to vehicle body.

Among the present invention, earlier realize that through halting mechanism 40 foot rest foot rest 41 turns to the second place from primary importance, realizes the liftoff of front-wheels through alighting gear 29 again, thereby accomplishes the Parking of two-wheel car.Whole operation only need be operated foot rest control lever 42 respectively and risen and fallen control lever 291, and it is stable and very convenient, laborsaving to stop.

Ginseng Fig. 5, Fig. 6 and shown in Figure 7, alighting gear 29 comprises manoeuvre portion 22, the joystick 291 that rises and falls, the damping pipe link 19 that is arranged with spring, connecting panel 18 and f-w-d bar 23.Foot rest joystick 42 is located on the manoeuvre portion 22 with the joystick 291 that rises and falls; Both sides at the foot rest joystick 42 and the joystick 291 that rises and falls are pair of metal plate 222; Be provided with chute 223 at relative position on two metal sheets 222; A Metallic rod 224 that can slide up and down along chute 223 is set in the chute 223, the rotating Metallic rod 224 that is connected in of an end of damping pipe link 19, and can move up and down with Metallic rod 224.Joystick 291 ends that rise and fall are welded with the link span 227 that rises and falls; The link span 227 that rises and falls is sheathed on the turning cylinder 225; The link span 227 that rises and falls comprises the check plate 2271 and drive plate 2272 that laterally arranges; Check plate 2271 is provided with perpendicular to turning cylinder 225 with drive plate 2272; Be equipped with connecting arm 228 between check plate 2271 and the Metallic rod 224 and between drive plate 2272 and the Metallic rod 224, an end of connecting arm 228 is arranged on check plate 2271 and the drive plate 2272 prejudicially, and the other end is rotationally connected with Metallic rod 224.When the joystick 291 that rises and falls upwards lifts, can drive the link span 227 that the rises and falls moving axis 225 that rotates and rotate, the rotation of check plate 2271 and drive plate 2272 can drive connecting arm 228 rises, and then can drive Metallic rod 224 and slide along chute 223.

Also be provided with braking roll 229 between two metal sheets 222; Be arranged with rotating first retainer 2291 and second retainer 2292 on the braking roll 229; Also be arranged with spring 2293 on the braking roll 229 between first retainer 2291 and second retainer 2292; The two ends of spring 2293 connect first retainer 2291 and second retainer 2292 respectively, and make win retainer 2291 and second retainer 2292 have the power that opposite sense rotates.

First retainer 2291 is provided with support division 2294 and projection 2295, and check plate 2271 is provided with the trip 2273 that matches with this support division 2294.Before joystick 291 work of rising and falling, first retainer 2291 relies on check plate 2271 under the effect of spring 2293, and blocks the trip 2273 on the check plate 2271 through support division 2294, and the feasible joystick 291 that rises and falls can't upwards be mentioned.The top margin of link span 226 is the arc limit of non-regular shape; Form a cam structure; The projection 2295 of first retainer 2291 is pressed on the side of link span 226 arcs all the time under the effect of spring 2293; When foot rest joystick 42 upwards lifts, can push first retainer 2291 open through the arc-shaped side edges of link span 226, and make trip 2273 disengagings of support division 2294 with the check plate 2271 of the retainer 2291 of winning, the joystick 291 that rises and falls this moment can upwards lift.The setting of first retainer 2291, the feasible joystick 291 that rises and falls must just can lift after 42 work of foot rest joystick are accomplished.

Second retainer 2292 is " L " shape, comprises vertical edge (not label) and limit (not label) anyhow, and it cooperates with a stopper 220 that can make rises and falls and be stopped at after joystick 291 lifts and lifts the position.Join shown in Figure 8; Stopper 220 is affixed on the side of check plate 2271 towards drive plate 2272; Comprise arc chute 2201, rotatable arc port 2202 of accommodating turning cylinder 225, the bayonet socket 2204 that convexedly stretches in the convex extension part 2203 of check plate 2271 tops and be located at stopper 220 sides.Check plate 2271 is fixed with round bar 2274 towards a side of drive plate 2272, and this round bar 2274 can pass in the arc chute 2201, and stopper 220 rotates along in predefined angle, rotate moving axis 225 of round bar 2274.When foot rest joystick 42 upwards lifted, the side of link span 226 arcs backed down trip 2273 disengagings of support division 2294 with the check plate 2271 of projection 2295, the first retainers 2291; Lift the joystick 291 that rises and falls; Check plate 2271 drives round bar 2274 and slides along arc chute 2201; This moment, stopper 220 was static; When round bar 2274 turns to chute 2201 bottom end, drive stopper 220 moving axis 225 that rotates together and rotate, drive plate 2272 curved bottom edges back down the vertical edge of second retainer 2292 simultaneously; The release joystick 291 that rises and falls; The edge that makes " L " shape of second retainer 2292 collude the stopper of edge anyhow 220 of body slides to breach 2204; Simultaneously, the link span 227 that rises and falls slides along chute 2201 in release, slide to chute 2201 above the time; Check plate 2271 receives stopping of convex extension part 2203, thereby makes the joystick 291 that rises and falls be stopped at and lift the position.Lift the joystick 291 that rises and falls once more; Drive plate 2272 drives stopper 220 and rotates; Drive plate 2272 curved bottom edges back down the vertical edge of second retainer 2292, and make second retainer 2292 and bayonet socket 2204 break away from, and stopper 220 continues to rotate counterclockwise (ginseng Fig. 7, Fig. 8 angle); Retainer 2292 is stuck in breach 2205, and the radius of breach 2205 is greater than the radius of bayonet socket 2204; Put down the joystick 291 that rises and falls again; When the trip 2273 that stopper 220 keeps original position not turn to check plate 2271 was connected to convex extension part 2203, at this moment, the arc lower face of drive plate 2272 was connected to second retainer 2292; Second retainer 2292 is unclamped from breach 2205; And drive plate 2272 drives retainer 2292 and clockwise rotates, and the falling of joystick 291 makes front-wheel fall the bottom surface thereby realization is risen and fallen.So far, the front-wheel completion that circulates of rising and falling.

Each f-w-d bar 23 comprises that first sliding bar 231 and second sliding bar, 232, the first sliding bars 231 can relative second sliding bar, 232 directions slide, and lower linking plate 17 is fixedly connected between two second sliding bars.

In the present invention, alighting gear 29 main purposes are, when foot rest 41 when primary importance turns to the second place, through the manipulation joystick 291 that rises and falls, can make front-wheel rising built on stilts, finally realize the supporting role of trailing wheel and foot rest 41.When foot rest 41 when primary importance turns to the second place, the operation of alighting gear 29 is achieved in that

1, handles the joystick 291 that rises and falls;

2, the rise and fall rotation pulling Metallic rod 224 of joystick 291 is moved to the top;

3, Metallic rod 224 is slided and is driven damping pipe link 19 upward movements along chute 223;

4, the rising of damping pipe link 19 makes connecting panel 18 rotate around metal shaft 14;

5, connecting panel 18 pullings connect second sliding bar, 232 risings of front-wheel, thereby it is liftoff to realize driving front-wheel.

6, lift the joystick 291 that rises and falls once more; Front-wheel lands and contacts with the bottom surface, and forms the support to car body, puts down foot rest joystick 42 then; First capstan winch, 421 backward rotation; And driving 412 rotations of second capstan winch, this moment, foot rest 41 under the effect, turned to primary importance from the second place in second capstan winch 412 and spring.

Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and the scope of technical scheme of the present invention.

Claims

1. two-wheel car alighting gear; Comprise two f-w-d bars that laterally arrange; Each f-w-d bar comprises first sliding bar and second sliding bar; Second sliding bar is connected with wheel, and first sliding bar can slide with respect to said second sliding bar, it is characterized in that: also comprise one be connected to second sliding bar the may command front-wheel manoeuvre portion of rising and falling.

2. two-wheel car alighting gear according to claim 1; It is characterized in that: said manoeuvre portion comprises a turning cylinder, joystick that rises and falls, is fixedly connected on the link span that rises and falls of the joystick that rises and falls, and the link span that rises and falls is sheathed on turning cylinder and the moving axis that can rotate rotates.

3. two-wheel car alighting gear according to claim 2 is characterized in that: the said link span that rises and falls comprises drive plate, and turning cylinder passes said drive plate, and the drive plate moving axis that can rotate rotates.

4. two-wheel car alighting gear according to claim 3 is characterized in that: be connected with connecting arm on the said drive plate, an end accentric of connecting arm is arranged at drive plate.

5. two-wheel car alighting gear according to claim 4 is characterized in that: the said link span that rises and falls comprises a check plate, and turning cylinder passes said check plate, and the check plate moving axis that can rotate rotates.

6. two-wheel car alighting gear according to claim 5 is characterized in that: be connected with a connecting arm on the said check plate, an end accentric of connecting arm is arranged at check plate.

7. two-wheel car alighting gear according to claim 6 is characterized in that: check plate and drive plate are connected with a damping pipe link with the coaxial setting of the point of connection of connecting arm, the other end of two connecting arms.

8. two-wheel car alighting gear according to claim 7 is characterized in that: the said joystick both sides of rising and falling are provided with the pair of metal plate, and the two ends of turning cylinder are fixed on the metal sheet.

9. two-wheel car alighting gear according to claim 8, it is characterized in that: metal sheet is provided with chute, and alighting gear also is provided with a Metallic rod, and Metallic rod is passed the coupling end of damping pipe link and connecting arm, and Metallic rod is passed said chute and can be slided along chute.

10. two-wheel car alighting gear according to claim 5; It is characterized in that: also comprise a braking roll; Be arranged with first retainer that is used for the stop check plate on the braking roll respectively and reach second retainer in order to cooperate with drive plate; Also be arranged with spring on the braking roll between said first retainer and second retainer, the two ends of said spring connect first retainer and second retainer respectively, and make said first retainer and second retainer have the power that opposite sense rotates.

11. two-wheel car alighting gear according to claim 10 is characterized in that: said first retainer comprises support division and projection, and check plate is provided with to match with this support division realizes the trip spacing to check plate.

12. according to claim 10 or 11 described two-wheel car alighting gears, it is characterized in that: said second retainer is " L " shape, comprises that vertical edge reaches limit anyhow.

13. two-wheel car alighting gear according to claim 12; It is characterized in that: also be provided with a stopper on the said turning cylinder; Stopper is arranged at the side towards drive plate of check plate; Comprise arc chute, the rotatable arc port that is sheathed on said turning cylinder, convexedly stretch in the convex extension part of check plate top and bayonet socket and the breach of being located at said stopper side, said check plate also is fixed with round bar towards drive plate one side; Said round bar passes arc chute, and stopper can slide around arc port and along the scope of arc chute.

14. two-wheel car alighting gear according to claim 11 is characterized in that: can match with the bayonet socket and the breach of said stopper in the limit anyhow of said second retainer.

15. two-wheel car alighting gear according to claim 11 is characterized in that: the vertical edge of said second retainer can connect with said drive plate.

16. two-wheel car alighting gear according to claim 6 is characterized in that: said f-w-d bar is the fluid pressure type guide rod, is fixedly connected with lower linking plate between said two second sliding bars, and said manoeuvre portion is connected with said lower linking plate.

17. two-wheel car alighting gear according to claim 16 is characterized in that: said alighting gear also comprises a plate, said connecting panel one end is rotationally connected with two-wheel car, and the other end is rotationally connected with said lower linking plate.

18. two-wheel car alighting gear according to claim 17 is characterized in that: said damping pipe link one end connects manoeuvre portion, and the other end is rotationally connected with said connecting panel.