CN108756345A

CN108756345A - A kind of jiffy stand with multiple-protection

Info

Publication number: CN108756345A
Application number: CN201810671522.2A
Authority: CN
Inventors: 曹波; 韦伟; 张普雷
Original assignee: HEFEI WEIHUA INTELLIGENT PARKING EQUIPMENT Co Ltd
Current assignee: HEFEI WEIHUA INTELLIGENT PARKING EQUIPMENT Co Ltd
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2018-11-06

Abstract

The present invention relates to a kind of jiffy stands with multiple-protection, including support baseboard, forward support post, rear support strut, side protection device, anti-skid device, rear portion protective device and limiting device, it is symmetrically installed with forward support post in the front top of the support baseboard, on rear support strut is symmetrically mounted at the top of the rear end of support baseboard, side protection device there are one being respectively mounted between forward support post and rear support strut, square hole there are two being symmetrical arranged on the rear end of support baseboard, limiting device there are one being respectively mounted in each square hole on support baseboard, anti-skid device is mounted on the leading flank of support baseboard, rear portion protective device is installed at the top of the rear end of support baseboard.The present invention, which can solve existing vehicle backing when existing vehicle carries out stopping a train at a target point, the problems such as the when of can not carrying out buffer deceleration, vehicle backing excess to vehicle when can scratch vehicle, vehicle parking when deviation in place can bump against the rear end of vehicle, vehicle backing can not be excessively automatically reminded to.

Description

A kind of jiffy stand with multiple-protection

Technical field

The present invention relates to automobile technical field, more particularly to a kind of jiffy stand with multiple-protection.

Background technology

With the development and progress of society, the ownership of automobile also increases year by year, due to the limitation of urban planning, parking lot It is equipped with not perfect, parking difficulty becomes for a social concern urgently to be resolved hurrily, and the level of driver differs, and one A little horizontal poor drivers will produce many security risks in parking.

It is very poor for the protective aspect of vehicle for existing parking apparatus, vehicle damage parking often occurs and sets Standby event has especially when vehicle drives into onto parking apparatus when the problems such as the scraping of automobile, the collision of vehicle rear bumper Occur, there is a problem of for existing parking apparatus specific as follows, vehicle generates skidding when driving into parking stall, and parking apparatus with Ground is likely to occur step-like so that and when driver wipes lower accelerator pedal, huge impulse force is will produce, security risk is caused, vehicle It moves backward to have and can scratch vehicle when deviation, the support column unprotect of parking stall so that vehicle can damage parking apparatus holder, cause inside Be laid with the damage of circuit, the parking position of vehicle can not be limited, vehicle parking in place when can not be to vehicle into row buffering Slow down, when vehicle backing excess can bump against the rear end of vehicle, and vehicle backing can not be excessively automatically reminded to.

Invention content

To solve the above-mentioned problems, the present invention provides a kind of jiffy stand with multiple-protection, existing vehicle can be solved Generated when existing vehicle drives into parking stall when carrying out stopping a train at a target point skid, vehicle backing has and can scratch vehicle, parking stall when deviation Support column unprotect, the parking position of vehicle can not be limited, vehicle parking in place when can not be to vehicle into row buffering Slow down, vehicle backing excess when can bump against the rear end of vehicle, the problems such as vehicle backing can not be excessively automatically reminded to；It may be implemented pair The protection of vehicular sideview is carried out when vehicle drives into parking stall, and the rear end of vehicle is protected, the position of vehicle is limited Function, will not skid when driving into parking stall with vehicle, vehicle backing have deviation on vehicle cause it is smaller influence, the support of parking stall Column have protection, the parking position of vehicle is limited, vehicle parking in place when can carry out buffer deceleration, vehicle to vehicle and fall The advantages that vehicle, vehicle backing excessively can be with automatic alarms will not be damaged when vehicle excess.

To achieve the goals above, the present invention use following technical scheme, a kind of jiffy stand with multiple-protection, including Support baseboard, forward support post, rear support strut, side protection device, anti-skid device, rear portion protective device and limiting device, it is described Support baseboard front top on be symmetrically installed with forward support post, rear support strut is symmetrically mounted at the top of the rear end of support baseboard On, the position of forward support post and the position of rear support strut correspond, and are respectively mounted between the forward support post and rear support strut of homonymy It is symmetrical arranged there are one side protection device, on the rear end of support baseboard there are two square hole, in each square hole on support baseboard It is respectively mounted there are one limiting device, anti-skid device is mounted on the leading flank of support baseboard, is pacified on the rear end top of support baseboard Equipped with rear portion protective device.

The side protection device includes side support plate, side telescopic rod, side spring, side guard plate and side protecting block, side Face support plate is mounted between forward support post and rear support strut, and side telescopic rod, side are uniformly equipped on the medial surface of side support plate Side guard plate is installed, side guard plate is gridiron structure, and side is evenly arranged on the medial surface of side guard plate on the top of face telescopic rod Protecting block, side protecting block is the trapezium structure of rubber material, and the medial surface of side protecting block is arcwall face, and the outside of side telescopic rod is arranged There is a side spring, side spring is mounted between side support plate and side guard plate, and when specific works, side protection device can be in vehicle The side of the present invention is protected when driving into the present invention, to the side of the present invention when parking space being prevented to be equipped with deviation Face damages, and the side guard plate of gridiron structure locally can be squeezed outward when by external force, side telescopic rod and side Diaphragm flexures, which match, to play the role of buffering to side guard plate, since vehicle is easily damaged the outer of garage when driving into garage Side, to which the side protecting block of rubber material can make vehicle by smaller damage, while the arcwall face energy of side protecting block trapezium structure It is enough perpendicular with external force that is being subject to so that the present invention can be to the protection vehicle of big degree.

The anti-skid device includes anti-skidding guide plate, guide plate angle push rod and anti-skidding branch, and the rear end of anti-skidding guide plate passes through Axis pin is mounted on the leading flank of support baseboard, and the leading flank of anti-skidding guide plate is inclined surface, is uniformly set on the top of anti-skidding guide plate Be equipped with anti-slop serrations, the left and right ends of anti-skidding guide plate are both provided with square groove, be respectively mounted in each square groove on anti-skidding guide plate there are one The bottom of anti-skidding branch, anti-skidding guide plate is provided with guide plate angle push rod, and guide plate angle push rod is mounted on anti-skidding guide plate by hinge In the front bottom end of middle part lower face and support baseboard, when specific works, before the anti-slop serrations and anti-skidding guide plate on anti-skidding guide plate Side inclined surface can when vehicle drives into the present invention to vehicle play the role of it is anti-skidding be oriented to, anti-skidding branch can be The front end of vehicle is protected after vehicle parking, the vehicle forward movement caused by vehicle does not pull the hand brake is prevented to be driven out to this hair It is bright, cause security risk, the stretching motion of guide plate angle push rod that can adjust the angle of anti-skidding guide plate so that anti-skidding guide plate can be with It smoothly takes and puts on the ground.

As a preferred technical solution of the present invention, the rear portion protective device include rear pillar, electronic sliding block, Rear portion movable plate, rear portion telescopic rod, Rear springs, rear portion protective block, rear link, pushing block and rear portion alert mechanism, support It is respectively mounted at left and right sides of the rear end of bottom plate there are one rear pillar, there are one electronic for installation on the medial surface of each rear pillar Sliding block, rear portion movable plate are mounted between two electronic sliding blocks, and square groove, rear portion movable plate are provided on the right end of rear portion movable plate Right end be provided with circular hole, and the circular hole on the movable plate of rear portion is located at the underface of square groove on the movable plate of rear portion, rear portion telescopic rod Bottom be mounted on the leading flank of rear portion movable plate, rear portion protective block is installed, rear portion protection on the top of rear portion telescopic rod Block is U-shaped structure, and the medial surface up and down of rear portion protective block front end is arcwall face, and the front end material of rear portion protective block is foam Plate is equipped with rear link, the position of rear link and square groove on the movable plate of rear portion on the right end trailing flank of rear portion protective block Position is corresponding, pushing block is equipped on the bottom of rear link, and the distance between pushing block is sequentially reduced from back to front, pushed away The bottom of motion block is arcuate structure, and rear portion alert mechanism is mounted on the right end leading flank of rear portion movable plate, when specific works, after Portion's protective device can protect the rear end of vehicle, prevent vehicle backing from excessively being damaged to vehicle and the present invention, adjust Economize on electricity movable slider position so that the position of rear portion protective block is corresponding with the position of rear vehicle end bumper, when vehicle after When end is in contact with rear portion protective block, at rear portion, telescopic rod plays buffering with rear portion protective block under the action of Rear springs to vehicle Effect, at this time rear portion protective block can move backward, the pushing block in rear link can push rear portion alert mechanism to alarm, Play the role of prompting to vehicle driver.

As a preferred technical solution of the present invention, the limiting device includes limiting U-shaped frame, limit bearing, limit Position traveller, limit spring, deceleration mechanism, limit link, limit protection plate and buffer gear, limit U-shaped frame and are mounted on support On the bottom of bottom plate, it limits and is provided with sliding slot on the lower end upper side of U-shaped frame, limit the bottom of bearing by being slidably matched Mode is connected with the sliding slot being arranged on U-shaped frame is limited, and limit bearing is located in the square hole of support baseboard setting, limits bearing Limit traveller is uniformly installed on the rear end face of middle part, limits the rear end of traveller by way of being slidably matched and above support baseboard The trailing flank in hole is connected, and limits and is provided with limit spring on the outside of traveller, and limit spring is mounted on the rear side of limit bearing Face is connected with the trailing flank of support baseboard upper aperture, and deceleration mechanism is mounted on the upper end of limit bearing, limit link peace On the lateral surface of limit bearing, limits and limit protection plate is installed on the upper end medial surface of link, limit protection plate It is provided with ball on medial surface, buffer gear is mounted in limit bearing, and when specific works, limiting device can be directed to vehicle Tire limits vehicle, and when vehicle is in contact with deceleration mechanism, deceleration mechanism can work as deceleration to vehicle into row buffering When mechanism is in the limiting condition shunk, the limit spring limited on bearing can be shunk, and be subtracted to carry out two level to vehicle The effect of speed buffering, prevents car speed is too fast from being damaged to the present invention, when limit spring is retracted to certain position, delays Punch mechanism can prevent vehicle from continuing to move backward, and when buffer gear prevents vehicle from moving backward, the tire of rear vehicle end has can It can be subjected to displacement, the ball being arranged on limit protection plate at this time can be to protecting on the outside of tire.

As a preferred technical solution of the present invention, the anti-skidding branch includes anti-skidding pivoted frame, anti-skidding motor, anti-skidding Shaft, Antiskid rolling wheel and anti-skidding limit body, anti-skidding pivoted frame are located in the square groove on anti-skidding guide plate, and the outer end of anti-skidding pivoted frame is provided with Anti-skidding motor, anti-skidding motor are mounted on by motor set on sliding guide plate on the lateral surface of square groove, the output shaft of anti-skidding motor with it is anti- Trackslip frame outer end in the middle part of be connected, in the middle part of the inner end of anti-skidding pivoted frame on anti-skidding shaft is installed, the inner end of anti-skidding shaft passes through Bearing is mounted on sliding guide plate on the medial surface of square groove, is provided with latch on the top of anti-skidding pivoted frame, on the lower end of anti-skidding pivoted frame Side is arcuate structure, and Antiskid rolling wheel is mounted on by axis pin on the lower end inside face of anti-skidding pivoted frame, outside the rear side of anti-skidding pivoted frame Anti-skidding limit body is installed, when specific works, anti-skidding branch can be rotated after vehicle parking, prevent on end Vehicle forward movement is driven out to the present invention caused by vehicle does not pull the hand brake, causes security risk, the latch of antislip top of the trellis can Anti-skidding effect is played to it when vehicle drives into the present invention, after vehicle parking, anti-skidding motor is controlled and is rotated, Anti-skidding limit body is matched and can be carried out to the rotation position of anti-skidding pivoted frame with the blocking limited block that square groove on anti-skidding guide plate is arranged Limit, anti-skidding pivoted frame when rotating to suitable position the arcuate structure of anti-skidding pivoted frame lower end upper side can stop vehicle, prevent vehicle The present invention is skidded off, cushioning effect is carried out to it when Antiskid rolling wheel can be in contact with tire.

As a preferred technical solution of the present invention, the rear portion alert mechanism includes alert box, alarm, alarm Bull stick, alarm tappet, alarm spring, warning support, alarm traveller, traveller spring and ejection plate, alert box are mounted on rear portion On the leading flank of movable plate, alert box is the hollow-core construction of upper end opening, and alarm is symmetrically installed on the lower end inside of alert box Piece, alarm bull stick are mounted on by axis pin on the upper end medial surface of alert box, and the top for bull stick of alarming is arcuate structure, and alarm turns Alarm tappet is equipped with by hinge on the bottom of bar, the bottom of tappet of alarming is sphere structure, tappet of alarming it is outer Side is provided with alarm spring, and alarm spring is mounted between the bottom of alarm bull stick and the sphere structure for tappet of alarming, alarm Holder is mounted on the trailing flank of alert box, and warning support is connected with the middle part of alarm traveller by way of being slidably matched, The rear end of alarm traveller is provided with limit body, and ejection plate is equipped on the front end for traveller of alarming, the lateral surface setting for traveller of alarming There are traveller spring, traveller spring to be mounted between ejection plate and warning support, position and the rear portion movable plate of traveller of alarming are arranged The position of circular hole is corresponding, is uniformly arranged the circular hole for being useful for acoustic on front side of alert box in bottom side of the wall, before the lower end of alert box The open circles tapered sleeve for amplifying is provided on side, the open circles tapered sleeve rear end of alert box setting is located at alert box setting circular hole Outside, when specific works, rear portion alert mechanism can alarm when vehicle moves backward to certain position, pushing block Alarm bull stick can be driven to rotate backward when mobile, alarm bull stick can depress ejection plate so that ejection plate is in traveller spring Effect is lower to have forward impulse force, can be detached with pushing block when bull stick of alarming is moved to certain position, ejection plate can push report Alert bull stick carries out swing, and the chondritic of alarm bull stick bottom alarm tappet can strike alarm, to generate alarm, Alarm tappet is connected through the hinge can increase the percussion dynamics of alarm tappet on alarm bull stick, and alarm spring is to alarm Tappet plays the role of limit, sound of the hollow cone set for spreading alarm on the circular hole and alert box on alert box, Since the distance between pushing block is sequentially reduced from back to front backward so that the distance that vehicle moves is more, rear portion alert mechanism The frequency of alarm is higher.

As a preferred technical solution of the present invention, the deceleration mechanism includes deceleration telescopic rod, retarding spring, subtracts The bottom of fast frame linking and deceleration arc frame, deceleration telescopic rod is mounted on the rear end of deceleration frame linking, and deceleration frame linking is mounted on limit On the upper end trailing flank of bearing, the middle part of deceleration telescopic rod passes through limit bearing, limits and is equipped with deceleration arc on the top of bearing Shape frame is evenly arranged with damping rubber block on the middle part trailing flank of deceleration arc frame, deceleration is provided on the outside of deceleration telescopic rod Spring, retarding spring is mounted between deceleration frame linking and deceleration arc frame, and when specific works, deceleration mechanism can be to the wheel of vehicle Tire slows down to vehicle, and the damping rubber block in the middle part of deceleration arc frame can protect deceleration arc frame.

As a preferred technical solution of the present invention, the buffer gear includes No.1 idler wheel, No. two idler wheels, fronts Brush, rear portion brush, front guide and back guide, No.1 idler wheel are mounted on by axis pin on front side of the upper end of limit bearing, No. two idler wheels On on rear side of the upper end of limit bearing, and No. two idler wheels are located at the top of No.1 idler wheel, and front brush is positioned at No.1 idler wheel On the downside of front end, front brush is mounted on the leading inside wall of limit bearing, and front guide, rear portion brush are equipped on the bottom of front brush On the downside of the rear end of No. two idler wheels, rear portion brush is mounted on the rear inside wall of limit bearing, is installed on the bottom of rear portion brush There is a back guide, when specific works, buffer gear can play the role of vehicle buffering, and whens vehicle tyre excessive velocities can rotate Onto No.1 idler wheel and No. two idler wheels, No.1 idler wheel and No. two idler wheels can be rotated to offset the rotation of vehicle tyre, No.1 idler wheel and No. two idler wheel front ends can be located at when vehicle comes to a complete stop, to which No.1 idler wheel will not be driven out to No. two idler wheels in vehicle It is impacted when of the invention, vehicle tyre speckles with soil sometimes, and when No.1 idler wheel, No. two idler wheels and tire interface can band Soil on lower tire, front brush match soil that can respectively to being carried out to No.1 idler wheel and No. two idler wheels with rear portion brush Brush, soil is fallen under the guiding role of front guide and back guide on the bottom of limit bearing.

As a preferred technical solution of the present invention, on the square groove outer end front and back sides that are arranged on the anti-skidding guide plate It is respectively provided with there are one stopping limited block, and stops that the position of limited block is corresponding with the position of anti-skidding limit body, when specific works, The blocking limited block that square groove is arranged on anti-skidding guide plate can limit the rotational angle of anti-skidding pivoted frame.

As a preferred technical solution of the present invention, it is respectively mounted on the left and right side of the forward support post and leading flank There is support telescopic bar, support Crashworthy plate is installed on the top of support telescopic bar, support bullet is provided on the outside of support telescopic bar Spring, support spring is mounted between forward support post and support Crashworthy plate, when specific works, the support Crashworthy plate energy on forward support post It is enough to play the role of Anti-bumping protection to forward support post.

When work, the first step：Side protection device can when vehicle drives into the present invention to the present invention side into Row protection, damages the side of the present invention when parking space being prevented to be equipped with deviation, the side guard plate of gridiron structure can It can locally be squeezed outward when by external force, side telescopic rod is matched with side spring to play buffering to side guard plate Effect can make vehicle since vehicle is easily damaged the outside in garage when driving into garage to the side protecting block of rubber material It can be perpendicular with the external force that is subject to by the arcwall face of smaller damage, while side protecting block trapezium structure so that energy of the present invention Enough protection vehicles to big degree, second step：Anti-slop serrations and anti-skidding guide plate leading flank inclined surface on anti-skidding guide plate can be Play the role of anti-skidding to vehicle when vehicle drives into the present invention and be oriented to, the stretching motion of guide plate angle push rod can be adjusted The angle of anti-skidding guide plate so that anti-skidding guide plate can smoothly be taken and put on the ground, and anti-skidding branch can be finished in vehicle parking After be rotated, prevent caused by vehicle does not pull the hand brake vehicle forward movement to be driven out to the present invention, cause security risk, it is anti-skidding Latch at the top of pivoted frame can play it when vehicle drives into the present invention anti-skidding effect, after vehicle parking, control It makes anti-skidding motor to be rotated, anti-skidding limit body is matched with the blocking limited block that square groove on anti-skidding guide plate is arranged can be to anti-skidding The rotation position of pivoted frame is limited, and anti-skidding pivoted frame rotates to the arcuate structure energy of anti-skidding pivoted frame lower end upper side when suitable position Enough stop vehicle, prevents vehicle from skidding off the present invention, cushioning effect, third are carried out to it when Antiskid rolling wheel can be in contact with tire Step：Rear portion protective device can protect the rear end of vehicle, prevent vehicle backing from excessively causing to damage with the present invention to vehicle It is bad, adjust the position of electronic sliding block so that the position of rear portion protective block is corresponding with the position of rear vehicle end bumper, works as vehicle Rear end when being in contact with rear portion protective block, at rear portion, telescopic rod plays vehicle with rear portion protective block under the action of Rear springs The effect of buffering, at this time rear portion protective block can move backward, the pushing block in rear link can move, the movement of pushing block Alarm bull stick can be driven to rotate backward, alarm bull stick can depress ejection plate so that ejection plate is under the action of traveller spring With forward impulse force, can be detached with pushing block when bull stick of alarming is moved to certain position, ejection plate can push alarm bull stick Carry out swing, the chondritic of alarm bull stick bottom alarm tappet can strike alarm, to generate alarm, alarm with Lever is connected through the hinge can increase the percussion dynamics of alarm tappet on alarm bull stick, and alarm spring is to tappet of alarming Play the role of limit, sound of the hollow cone set for spreading alarm on the circular hole and alert box on alert box, due to pushing away The distance between motion block is sequentially reduced from back to front so that the distance that vehicle moves backward is more, the alarm of rear portion alert mechanism Frequency is higher, the 4th step：The tire that limiting device can be directed to vehicle limits vehicle, when vehicle connects with deceleration mechanism When touching, deceleration mechanism, when deceleration mechanism is in the limiting condition shunk, can limit the limit on bearing to vehicle into row buffering Position spring can be shunk, and to carry out the effect of double reduction buffering to vehicle, prevent car speed is too fast from being made to the present invention At damage, when limit spring is retracted to certain position, buffer gear can play the role of vehicle buffering, vehicle tyre It can be turned to when excessive velocities on No.1 idler wheel and No. two idler wheels, No.1 idler wheel can be rotated to offset with No. two idler wheels The rotation of vehicle tyre can be located at No.1 idler wheel and No. two idler wheel front ends when vehicle comes to a complete stop, to No.1 idler wheel and No. two rollings Wheel will not impact it when vehicle is driven out to the present invention, and vehicle tyre speckles with soil, No.1 idler wheel, No. two idler wheels sometimes With can be with the soil on lower tire when tire interface, front brush brushes that match can be respectively to No.1 idler wheel and No. two with rear portion The soil that idler wheel carries out brushes, and soil is fallen under the guiding role of front guide and back guide on the bottom of limit bearing, When buffer gear prevents vehicle from moving backward, the tire of rear vehicle end is likely to occur displacement, is arranged on limit protection plate at this time Ball can to being protected on the outside of tire, may be implemented to carry out when driving into parking stall to vehicle the protection of vehicular sideview, The function that the rear end of vehicle is protected, the position of vehicle is limited.

The beneficial effects of the present invention are：

One, the present invention can solve to generate when existing vehicle drives into parking stall when existing vehicle carries out stopping a train at a target point skid, Vehicle backing have can be scratched when deviation vehicle, parking stall support column unprotect, the parking position of vehicle can not be limited, vehicle Parking in place when can bump against rear end, the vehicle backing mistake of vehicle when can not carry out buffer deceleration, vehicle backing excess to vehicle Amount such as can not be automatically reminded at the problems；The protection of vehicular sideview is carried out when may be implemented to drive into parking stall to vehicle, to vehicle after The function of being protected, limited to the position of vehicle is held, will not be skidded when there is vehicle to drive into parking stall, vehicle backing has partially Difference on vehicle cause it is smaller influence, the support column of parking stall has protection, limited to the parking position of vehicle, vehicle parking in place When can to vehicle carry out buffer deceleration, vehicle backing excess when will not damage vehicle, vehicle backing excessively can be with automatic alarm The advantages that；

Two, the present invention is provided with forward support post, and the support Crashworthy plate on forward support post can play anticollision to forward support post The effect of protection；

Three, the present invention is provided with side protection device, and side protection device can be when vehicle drives into the present invention pair The side of the present invention is protected, and is damaged to the side of the present invention when parking space being prevented to be equipped with deviation；

Four, anti-skidding branch is provided on anti-skid device of the present invention, anti-skidding branch can be after vehicle parking to vehicle Front end protected, prevent caused by vehicle does not pull the hand brake vehicle forward movement to be driven out to the present invention, cause security risk；

Five, be provided with rear portion alert mechanism on rear portion protective device of the present invention, rear portion alert mechanism can vehicle backward It alarms when being moved to certain position；

Six, deceleration mechanism is provided on limiting device of the present invention, deceleration mechanism can carry out vehicle on the tire of vehicle Slow down；

Seven, buffer gear is provided on limiting device of the present invention, buffer gear can play the role of buffering to vehicle, delay Punch mechanism can also brush the soil that the present invention is stained with.

Description of the drawings

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the structural schematic diagram of the present invention；

Fig. 2 is the structural schematic diagram between forward support post of the present invention, support telescopic bar, support Crashworthy plate and support spring；

Fig. 3 is the first structure schematic diagram between support baseboard and anti-skid device of the present invention；

Fig. 4 is the first structure schematic diagram between support baseboard and anti-skid device of the present invention；

A is to partial enlarged view in Fig. 5 Fig. 4；

Fig. 6 is the structural schematic diagram of side protection device of the present invention；

Fig. 7 is the structural schematic diagram between support baseboard of the present invention and rear portion protective device；

Fig. 8 is the structural schematic diagram between rear portion movable plate of the present invention and rear portion alert mechanism；

Fig. 9 is the sectional view of rear portion alert mechanism of the present invention；

Figure 10 is the structural schematic diagram between support baseboard and limiting device of the present invention；

Figure 11 is the sectional view between present invention limit bearing and buffer gear.

Specific implementation mode

In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Conjunction is specifically illustrating, and the present invention is further explained.It should be noted that in the absence of conflict, embodiment in the application and Feature in embodiment can be combined with each other.

As shown in Figure 1 to 11, a kind of jiffy stand with multiple-protection, including support baseboard 1, forward support post 2, rear branch Dagger 3, side protection device 4, anti-skid device 5, rear portion protective device 6 and limiting device 7, the front end of the support baseboard 1 Forward support post 2 is symmetrically installed on top, rear support strut 3 is symmetrically mounted on the rear end top of support baseboard 1, forward support post 2 The position of position and rear support strut 3 correspond, be respectively mounted that there are one sides between the forward support post 2 and rear support strut 3 of homonymy Face protective device 4 is symmetrical arranged on the rear end of support baseboard 1 there are two square hole, is respectively mounted in each square hole on support baseboard 1 There are one limiting device 7, anti-skid device 5 is mounted on the leading flank of support baseboard 1, is installed on the rear end top of support baseboard 1 There is rear portion protective device 6.

The side protection device 4 includes side support plate 41, side telescopic rod 42, side spring 43,44 and of side guard plate Side protecting block 45, side support plate 41 are mounted between forward support post 2 and rear support strut 3, uniformly pacify on the medial surface of side support plate 41 Equipped with side telescopic rod 42, side guard plate 44 is installed on the top of side telescopic rod 42, side guard plate 44 is gridiron structure, side shield Side protecting block 45 is evenly arranged on the medial surface of plate 44, side protecting block 45 is the trapezium structure of rubber material, and side protecting block 45 is interior Side is arcwall face, and the outside of side telescopic rod 42 is provided with side spring 43, side spring 43 be mounted on side support plate 41 with Between side guard plate 44, when specific works, side protection device 4 can be when vehicle drives into the present invention to the side of the present invention It is protected, the side of the present invention is damaged when parking space being prevented to be equipped with deviation, the side guard plate 44 of gridiron structure It can locally can outward be squeezed when by external force, side telescopic rod 42 is matched with side spring 43 can be to side guard plate 44 Play the role of buffering, since vehicle is easily damaged the outside in garage when driving into garage, to the side protecting block of rubber material 45 can make vehicle by smaller damage, while the arcwall face of 45 trapezium structure of side protecting block can mutually hang down with the external force being subject to Directly so that the present invention can be to the protection vehicle of big degree.

The anti-skid device 5 includes anti-skidding guide plate 51, guide plate angle push rod 52 and anti-skidding branch 53, anti-skidding guide plate 51 Rear end is mounted on by axis pin on the leading flank of support baseboard 1, and the leading flank of anti-skidding guide plate 51 is inclined surface, anti-skidding guide plate 51 Anti-slop serrations are evenly arranged on top, the left and right ends of anti-skidding guide plate 51 are both provided with square groove, each side on anti-skidding guide plate 51 Anti-skidding branch 53 there are one being respectively mounted in slot, the bottom of anti-skidding guide plate 51 is provided with guide plate angle push rod 52, guide plate angle push rod 52 are mounted on by hinge in the front bottom end of 51 middle part lower face of anti-skidding guide plate and support baseboard 1, anti-skidding to lead when specific works Anti-slop serrations and 51 leading flank inclined surface of anti-skidding guide plate on plate 51 can play vehicle when vehicle drives into the present invention The anti-skidding effect with guiding, anti-skidding branch 53 can protect the front end of vehicle after vehicle parking, prevent because of vehicle It does not pull the hand brake and vehicle forward movement to be caused to be driven out to the present invention, cause security risk, the stretching motion energy of guide plate angle push rod 52 Enough adjust the angle of anti-skidding guide plate 51 so that anti-skidding guide plate 51 can smoothly be taken and put on the ground.

The rear portion protective device 6 includes rear pillar 61, electronic sliding block 62, rear portion movable plate 63, rear portion telescopic rod 64, Rear springs 65, rear portion protective block 66, rear link 67, pushing block 68 and rear portion alert mechanism 69, after support baseboard 1 End is respectively mounted on the left and right sides there are one rear pillar 61, and there are one electronic sliding blocks for installation on the medial surface of each rear pillar 61 62, rear portion movable plate 63 is mounted between two electronic sliding blocks 62, and square groove is provided on the right end of rear portion movable plate 63, and rear portion is moved The right end of movable plate 63 is provided with circular hole, and the circular hole on rear portion movable plate 63 is located at the underface of square groove on rear portion movable plate 63, The bottom of rear portion telescopic rod 64 is mounted on the leading flank of rear portion movable plate 63, and rear portion is equipped on the top of rear portion telescopic rod 64 Protective block 66, rear portion protective block 66 is U-shaped structure, and the medial surface up and down of 66 front end of rear portion protective block is arcwall face, rear portion The front end material of protective block 66 is cystosepiment, and rear link 67 is equipped on the right end trailing flank of rear portion protective block 66, and rear portion connects The position of bar 67 is corresponding with the position of square groove on rear portion movable plate 63, and pushing block 68 is equipped on the bottom of rear link 67, And the distance between pushing block 68 is sequentially reduced from back to front, the bottom of pushing block 68 is arcuate structure, rear portion alert mechanism 69 On the right end leading flank of rear portion movable plate 63, when specific works, rear portion protective device 6 can carry out the rear end of vehicle Protection prevents vehicle backing from excessively being damaged to vehicle and the present invention, adjusts the position of electronic sliding block 62 so that rear portion is protected The position of block 66 is corresponding with the position of rear vehicle end bumper, when the rear end of vehicle is in contact with rear portion protective block 66, Rear portion telescopic rod 64 plays the role of buffering with rear portion protective block 66 under the action of Rear springs 65 to vehicle, and rear portion is protected at this time Block 66 can move backward, and the pushing block 68 in rear link 67 can push rear portion alert mechanism 69 to alarm, to vehicle drive Member plays the role of prompting.

The limiting device 7 includes limiting U-shaped frame 71, limit bearing 72, limit traveller 73, limit spring 74, slowing down Mechanism 75, limit link 76, limit protection plate 77 and buffer gear 78, limit the bottom that U-shaped frame 71 is mounted on support baseboard 1 On, limit and be provided with sliding slot on the lower end upper side of U-shaped frame 71, limit bearing 72 bottom by way of being slidably matched with It limits the sliding slot being arranged on U-shaped frame 71 to be connected, limit bearing 72 is located in the square hole of the setting of support baseboard 1, limits bearing 72 Middle part rear end face on be uniformly equipped with limit traveller 73, limit traveller 73 rear end by way of being slidably matched with support bottom The trailing flank of 1 upper aperture of plate is connected, and limits and is provided with limit spring 74 on the outside of traveller 73, and limit spring 74 is mounted on limit The trailing flank of position bearing 72 is connected with the trailing flank of 1 upper aperture of support baseboard, and deceleration mechanism 75 is mounted on limit bearing 72 On upper end, limit link 76 is mounted on the lateral surface of limit bearing 72, is limited and is installed on the upper end medial surface of link 76 There is limit protective plate 77, ball is provided on the medial surface of limit protection plate 77, buffer gear 78 is mounted in limit bearing 72, When specific works, the tire that limiting device 7 can be directed to vehicle limits vehicle, when vehicle is in contact with deceleration mechanism 75 When, deceleration mechanism 75 can be to vehicle into row buffering, when deceleration mechanism 75 is in the limiting condition shunk, on limit bearing 72 Limit spring 74 can be shunk, to vehicle carry out double reduction buffering effect, prevent car speed too fast to this Invention damages, and when limit spring 74 is retracted to certain position, buffer gear 78 can prevent vehicle from continuing to move back Dynamic, when buffer gear 78 prevents vehicle from moving backward, the tire of rear vehicle end is likely to occur displacement, at this time limit protection plate 77 The ball of upper setting can be to protecting on the outside of tire.

The anti-skidding branch 53 includes anti-skidding pivoted frame 531, anti-skidding motor 532, anti-skidding shaft 533,534 and of Antiskid rolling wheel Anti-skidding limit body 535, anti-skidding pivoted frame 531 are located in the square groove on anti-skidding guide plate 51, and the outer end of anti-skidding pivoted frame 531 is provided with anti-skidding Motor 532, anti-skidding motor 532 are mounted on by motor set on sliding guide plate 51 on the lateral surface of square groove, the output of anti-skidding motor 532 It is connected in the middle part of the outer end of axis and anti-skidding pivoted frame 531, anti-skidding shaft 533 is installed on the inner end middle part of anti-skidding pivoted frame 531, it is anti-skidding The inner end of shaft 533 is mounted on sliding guide plate 51 by bearing on the medial surface of square groove, is provided on the top of anti-skidding pivoted frame 531 The lower end upper side of latch, anti-skidding pivoted frame 531 is arcuate structure, and Antiskid rolling wheel 534 is mounted on anti-skidding pivoted frame 531 by axis pin On lower end inside face, anti-skidding limit body 535 is installed on the rear side outer end of anti-skidding pivoted frame 531, when specific works, anti-skidding branch 53 It can be rotated after vehicle parking, the vehicle forward movement caused by vehicle does not pull the hand brake is prevented to be driven out to this hair It is bright, cause security risk, the latch at 531 top of anti-skidding pivoted frame that can play anti-skidding work to it when vehicle drives into the present invention With after vehicle parking, controlling anti-skidding motor 532 and rotated, anti-skidding limit body 535 is set with square groove on anti-skidding guide plate 51 The blocking limited block set is matched and can be limited to the rotation position of anti-skidding pivoted frame 531, and anti-skidding pivoted frame 531 rotates to properly The arcuate structure of 531 lower end upper side of anti-skidding pivoted frame can stop vehicle when position, prevent vehicle from skidding off the present invention, Antiskid rolling wheel 534 carry out cushioning effect when can be in contact with tire to it.

The rear portion alert mechanism 69 includes alert box 691, alarm 692, alarm bull stick 693, alarm tappet 694, alarm spring 695, warning support 696, alarm traveller 697, traveller spring 698 and ejection plate 699, alert box 691 are installed On the leading flank of rear portion movable plate 63, alert box 691 is the hollow-core construction of upper end opening, on the lower end inside of alert box 691 It is symmetrically installed with alarm 692, alarm bull stick 693 is mounted on by axis pin on the upper end medial surface of alert box 691, bull stick of alarming 693 top is arcuate structure, and alarm tappet 694 is equipped with by hinge on the bottom of bull stick 693 of alarming, tappet of alarming 694 bottom is sphere structure, and the outside of alarm tappet 694 is provided with alarm spring 695, and alarm spring 695 is mounted on report Between the bottom of alert bull stick 693 and the sphere structure for tappet 694 of alarming, warning support 696 is mounted on the rear side of alert box 691 On face, warning support 696 is connected with the middle part of alarm traveller 697 by way of being slidably matched, the rear end for traveller 697 of alarming It is provided with limit body, ejection plate 699 is installed on the front end for traveller 697 of alarming, the lateral surface of alarm traveller 697 is provided with traveller Spring 698, traveller spring 698 are mounted between ejection plate 699 and warning support 696, and position and the rear portion of traveller 697 of alarming are moved The position that circular hole is arranged in movable plate 63 is corresponding, and the circular hole for being useful for acoustic is uniformly arranged in 691 front side bottom side of the wall of alert box, reports The open circles tapered sleeve for amplifying, the open circles tapered sleeve rear end that alert box 691 is arranged are provided on the lower end leading flank of alert frame 691 The outside of circular hole is set positioned at alert box 691, and when specific works, rear portion alert mechanism 69 can move backward to centainly in vehicle Position when alarm, pushing block 68 move when can drive alarm bull stick 693 rotate backward, alarm bull stick 693 can press Lower ejection plate 699 so that ejection plate 699 has forward impulse force under the action of traveller spring 698, when alarm bull stick 693 moves It can be detached with pushing block 68 when moving certain position, ejection plate 699 can push alarm bull stick 693 to carry out swing, and alarm turns The chondritic of 693 bottom of bar alarm tappet 694 can strike alarm 692, and to generate alarm, alarm tappet 694 is logical Cross be hingedly connected at alarm bull stick 693 on can increase alarm tappet 694 percussion dynamics, alarm spring 695 to alarm with Lever 694 plays the role of limit, and the circular hole on alert box 691 is with the hollow cone set on alert box 691 for spreading alarm Sound, since the distance between pushing block 68 is sequentially reduced from back to front backward so that the distance that vehicle moves is more, rear portion The frequency that alert mechanism 69 is alarmed is higher.

The deceleration mechanism 75 includes deceleration telescopic rod 751, retarding spring 752, deceleration frame linking 753 and deceleration arc frame 754, the bottom of deceleration telescopic rod 751 is mounted on the rear end of deceleration frame linking 753, and deceleration frame linking 753 is mounted on limit bearing 72 Upper end trailing flank on, the middle part of deceleration telescopic rod 751 passes through limit bearing 72, limits and is equipped with deceleration on the top of bearing 72 Arc frame 754 is evenly arranged with damping rubber block, the outside of deceleration telescopic rod 751 on the middle part trailing flank of deceleration arc frame 754 It is provided with retarding spring 752, retarding spring 752 is mounted between deceleration frame linking 753 and deceleration arc frame 754, when specific works, Deceleration mechanism 75 can slow down to vehicle to the tire of vehicle, and the damping rubber block at 754 middle part of deceleration arc frame can be protected Protect deceleration arc frame 754.

The buffer gear 78 include 781, No. two idler wheels 782 of No.1 idler wheel, front brush 783, rear portion brush 784, it is leading Plate 785 and back guide 786, No.1 idler wheel 781 are mounted on by axis pin on front side of the upper end of limit bearing 72, No. two idler wheels 782 On on rear side of the upper end of limit bearing 72, and No. two idler wheels 782 are located at the top of No.1 idler wheel 781, and front brush 783 is located at On the downside of the front end of No.1 idler wheel 781, front brush 783 is mounted on the leading inside wall of limit bearing 72, the bottom of front brush 783 On front guide 785 is installed, rear portion brush 784 is located on the downside of the rear end of No. two idler wheels 782, and rear portion brush 784 is mounted on limit bearing On 72 rear inside wall, back guide 786 is installed on the bottom of rear portion brush 784, when specific works, buffer gear 78 can be right Vehicle plays the role of buffering, and whens vehicle tyre excessive velocities can turn on No.1 idler wheel 781 and No. two idler wheels 782, No.1 Idler wheel 781 and No. two idler wheels 782 can be rotated to offset the rotation of vehicle tyre, and No.1 can be located at when vehicle comes to a complete stop Idler wheel 781 and No. two 782 front ends of idler wheel, to which No.1 idler wheel 781 and No. two idler wheels 782 will not be when vehicle be driven out to the present invention pair It is impacted, and vehicle tyre speckles with soil, 781, No. two idler wheels 782 of No.1 idler wheel and meeting band lower whorl when tire interface sometimes Soil on tire, front brush 783 is matched with rear portion brush 784 can be respectively to carrying out No.1 idler wheel 781 and No. two idler wheels 782 On soil brush, soil is fallen under the guiding role of front guide 785 and back guide 786 on the bottom of limit bearing 72.

Stop limited block there are one being respectively provided on the square groove outer end front and back sides being arranged on the anti-skidding guide plate 51, and hinders The position for keeping off limited block is corresponding with the position of anti-skidding limit body 535, when specific works, square groove is arranged on anti-skidding guide plate 51 resistance Gear limited block can limit the rotational angle of anti-skidding pivoted frame 531.

Support telescopic bar 21, support telescopic bar 21 are mounted on the left and right side of the forward support post 2 and leading flank Top on support Crashworthy plate 22 is installed, the outside of support telescopic bar 21 is provided with support spring 23, and support spring 23 is installed Between forward support post 2 and support Crashworthy plate 22, when specific works, the support Crashworthy plate 22 on forward support post 2 can be to preceding branch Dagger 2 plays the role of Anti-bumping protection.

When work, the first step：Side protection device 4 can when vehicle drives into the present invention to the present invention side into Row protection, damages the side of the present invention when parking space being prevented to be equipped with deviation, 44 energy of side guard plate of gridiron structure Enough locally to be squeezed outward when by external force, side telescopic rod 42 is matched with side spring 43 to play side guard plate 44 To the effect of buffering, since vehicle is easily damaged the outside in garage when driving into garage, to the side protecting block 45 of rubber material Vehicle can be made by smaller damage, while the arcwall face of 45 trapezium structure of side protecting block can be perpendicular with the external force that is subject to, Allow the invention to the protection vehicle to big degree, second step：Before anti-slop serrations and anti-skidding guide plate 51 on anti-skidding guide plate 51 Side inclined surface can play the role of anti-skidding and be oriented to, guide plate angle push rod 52 when vehicle drives into the present invention to vehicle Stretching motion can adjust the angle of anti-skidding guide plate 51 so that anti-skidding guide plate 51 can smoothly be taken and put on the ground, anti-skidding Branch 53 can be rotated after vehicle parking, and the vehicle forward movement caused by vehicle does not pull the hand brake is prevented to be driven out to The present invention causes security risk, the latch at the top of anti-skidding pivoted frame 531 that can be played to it when vehicle drives into the present invention anti-skidding Effect control anti-skidding motor 532 after vehicle parking and rotated, 51 top of anti-skidding limit body 535 and anti-skidding guide plate The blocking limited block of slot setting is matched and can be limited to the rotation position of anti-skidding pivoted frame 531, and anti-skidding pivoted frame 531 rotates to The arcuate structure of 531 lower end upper side of anti-skidding pivoted frame can stop vehicle when suitable position, prevent vehicle from skidding off the present invention, anti-skidding Cushioning effect, third step are carried out when idler wheel 534 can be in contact with tire to it：After rear portion protective device 6 can be to vehicle End is protected, and is prevented vehicle backing from excessively being damaged to vehicle and the present invention, is adjusted the position of electronic sliding block 62 so that after The position of portion's protective block 66 is corresponding with the position of rear vehicle end bumper, when the rear end of vehicle is in contact with rear portion protective block 66 When, at rear portion, rear portion protective block 66 plays the role of buffering to vehicle under the action of telescopic rod 64 and Rear springs 65, at this time after Portion's protective block 66 can move backward, and the pushing block 68 in rear link 67 can move, and the mobile of pushing block 68 can drive report Alert bull stick 693 rotates backward, and alarm bull stick 693 can depress ejection plate 699 so that ejection plate 699 is in traveller spring 698 Effect is lower to have forward impulse force, can be detached with pushing block 68 when bull stick 693 of alarming is moved to certain position, ejection plate 699 Alarm bull stick 693 can be pushed to carry out swing, the chondritic of 693 bottom of alarm bull stick alarm tappet 694 can strike report Police's piece 692, to generate alarm, alarm tappet 694 is connected through the hinge to increase to alarm on alarm bull stick 693 and be servo-actuated The percussion dynamics of bar 694, alarm spring 695 to alarm tappet 694 play the role of limit, the circular hole on alert box 691 with Hollow cone set on alert box 691 is for spread the sound alarmed, from back to front successively due to the distance between pushing block 68 Reduce so that the distance that vehicle moves backward is more, and the frequency that rear portion alert mechanism 69 is alarmed is higher, the 4th step：Limiting device 7 The tire that vehicle can be directed to limits vehicle, and when vehicle is in contact with deceleration mechanism 75, deceleration mechanism 75 can be right Vehicle is into row buffering, and when deceleration mechanism 75 is in the limiting condition shunk, the limit spring 74 limited on bearing 72 can carry out It shrinks, to carry out the effect of double reduction buffering to vehicle, prevents car speed is too fast from being damaged to the present invention, work as limit When spring 74 is retracted to certain position, buffer gear 78 can play the role of vehicle buffering, vehicle tyre excessive velocities When can turn on No.1 idler wheel 781 and No. two idler wheels 782, No.1 idler wheel 781 and No. two idler wheels 782 can carry out rotation to The rotation for offsetting vehicle tyre can be located at No.1 idler wheel 781 and No. two 782 front ends of idler wheel when vehicle comes to a complete stop, to which No.1 is rolled Wheel 781 will not impact it when vehicle is driven out to the present invention with No. two idler wheels 782, and vehicle tyre speckles with soil sometimes, 781, No. two idler wheels 782 of No.1 idler wheel can brush 784 phases with the soil on lower tire, front brush 783 with when tire interface with rear portion Cooperation can respectively brush the soil carried out with No. two idler wheels 782 to No.1 idler wheel 781, and soil is in front guide 785 with after It is fallen under the guiding role of guide plate 786 on the bottom of limit bearing 72, when buffer gear 78 prevents vehicle from moving backward, vehicle The tire of rear end is likely to occur displacement, and the ball being arranged on limit protection plate 77 at this time can be to preventing on the outside of tire Shield carries out the protection of vehicular sideview, is protected, the rear end of vehicle to vehicle when may be implemented to drive into parking stall to vehicle The function that position is limited, solve generated when existing vehicle drives into parking stall when existing vehicle carries out stopping a train at a target point skid, Vehicle backing have can be scratched when deviation vehicle, parking stall support column unprotect, the parking position of vehicle can not be limited, vehicle Parking in place when can bump against rear end, the vehicle backing mistake of vehicle when can not carry out buffer deceleration, vehicle backing excess to vehicle Amount such as can not be automatically reminded at the problems, reach purpose.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the description in above embodiments and description only illustrates the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent It defines.

Claims

1. a kind of jiffy stand with multiple-protection, including support baseboard (1), forward support post (2), rear support strut (3), side are anti- Protection unit (4), anti-skid device (5), rear portion protective device (6) and limiting device (7), it is characterised in that：The support baseboard (1) forward support post (2) is symmetrically installed in front top, rear support strut (3) is symmetrically mounted on the rear end top of support baseboard (1) In portion, the position of forward support post (2) is corresponded with the position of rear support strut (3), the forward support post (2) and rear support strut of homonymy (3) it is respectively mounted between there are one side protection device (4), is symmetrical arranged that there are two square hole, supports on the rear end of support baseboard (1) Limiting device (7) there are one being respectively mounted in each square hole on bottom plate (1), before anti-skid device (5) is mounted on support baseboard (1) On side, rear portion protective device (6) is installed on the rear end top of support baseboard (1)；Wherein：

The side protection device (4) includes side support plate (41), side telescopic rod (42), side spring (43), side guard plate (44) it is mounted between forward support post (2) and rear support strut (3) with side protecting block (45), side support plate (41), side support plate (41) Medial surface on side telescopic rod (42) is uniformly installed, side guard plate (44), side are installed on the top of side telescopic rod (42) Backplate (44) is gridiron structure, and side protecting block (45) is evenly arranged on the medial surface of side guard plate (44), and side protecting block (45) is rubber The trapezium structure of glue material matter, and the medial surface of side protecting block (45) is arcwall face, side telescopic rod is provided with side on the outside of (42) Spring (43), side spring (43) are mounted between side support plate (41) and side guard plate (44)；

The anti-skid device (5) includes anti-skidding guide plate (51), guide plate angle push rod (52) and anti-skidding branch (53), anti-skidding guide plate (51) rear end is mounted on by axis pin on the leading flank of support baseboard (1), and the left and right ends of anti-skidding guide plate (51) are both provided with Square groove, is respectively mounted that there are one anti-skidding branches (53) in each square groove on anti-skidding guide plate (51), and the bottom of anti-skidding guide plate (51) is set It is equipped with guide plate angle push rod (52), guide plate angle push rod (52) is mounted on lower face and branch in the middle part of anti-skidding guide plate (51) by hinge In the front bottom end for supportting bottom plate (1).

2. a kind of jiffy stand with multiple-protection according to claim 1, it is characterised in that：The rear portion protection dress It includes rear pillar (61), electronic sliding block (62), rear portion movable plate (63), rear portion telescopic rod (64), Rear springs to set (6) (65), rear portion protective block (66), rear link (67), pushing block (68) and rear portion alert mechanism (69), after support baseboard (1) End is respectively mounted on the left and right sides there are one rear pillar (61), and there are one electronic for installation on the medial surface of each rear pillar (61) Sliding block (62), rear portion movable plate (63) are mounted between two electronic sliding blocks (62), are arranged on the right end of rear portion movable plate (63) There is square groove, the right end of rear portion movable plate (63) is provided with circular hole, and the circular hole on rear portion movable plate (63) is located at rear portion movable plate (63) bottom of the underface of square groove on, rear portion telescopic rod (64) is mounted on the leading flank of rear portion movable plate (63), and rear portion is stretched Rear portion protective block (66) is installed, rear portion protective block (66) is U-shaped structure, and rear portion protective block (66) on the top of contracting bar (64) The medial surface up and down of front end is arcwall face, and rear link (67) is equipped on the right end trailing flank of rear portion protective block (66), after The position of portion's connecting rod (67) is corresponding with the position of square groove on rear portion movable plate (63), is equipped on the bottom of rear link (67) Pushing block (68), and the distance between pushing block (68) is sequentially reduced from back to front, the bottom of pushing block (68) is arcuate structure, Rear portion alert mechanism (69) is mounted on the right end leading flank of rear portion movable plate (63).

3. a kind of jiffy stand with multiple-protection according to claim 1, it is characterised in that：The limiting device (7) include limiting U-shaped frame (71), limit bearing (72), limit traveller (73), limit spring (74), deceleration mechanism (75), limit Link (76), limit protection plate (77) and buffer gear (78) limit the bottom that U-shaped frame (71) is mounted on support baseboard (1) On, it limits and is provided with sliding slot on the lower end upper side of U-shaped frame (71), the bottom of limit bearing (72) passes through the side that is slidably matched Formula is connected with the sliding slot being arranged on U-shaped frame (71) is limited, and limit bearing (72) is located in the square hole of support baseboard (1) setting, Limit traveller (73) is uniformly installed, the rear end of limit traveller (73) is matched by sliding on the middle part rear end face of limit bearing (72) The mode of conjunction is connected with the trailing flank of support baseboard (1) upper aperture, and limit spring is provided on the outside of limit traveller (73) (74), limit spring (74) is connected mounted on the trailing flank of limit bearing (72) with the trailing flank of support baseboard (1) upper aperture, Deceleration mechanism (75) is mounted on the upper end of limit bearing (72), and limit link (76) is mounted on the outside of limit bearing (72) On face, limit protection plate (77), the medial surface of limit protection plate (77) are installed on the upper end medial surface of limit link (76) On be provided with ball, buffer gear (78) is mounted in limit bearing (72).

4. a kind of jiffy stand with multiple-protection according to claim 1, it is characterised in that：The anti-skidding branch (53) include anti-skidding pivoted frame (531), anti-skidding motor (532), anti-skidding shaft (533), Antiskid rolling wheel (534) and anti-skidding limit body (535), anti-skidding pivoted frame (531) is located in the square groove on anti-skidding guide plate (51), and the outer end of anti-skidding pivoted frame (531) is provided with anti-skidding electricity Machine (532), anti-skidding motor (532) are mounted on by motor set on sliding guide plate (51) on the lateral surface of square groove, anti-skidding motor (532) Output shaft and anti-skidding pivoted frame (531) outer end in the middle part of be connected, in the middle part of the inner end of anti-skidding pivoted frame (531) on antislip is installed The inner end of axis (533), anti-skidding shaft (533) is mounted on by bearing on sliding guide plate (51) on the medial surface of square groove, anti-skidding pivoted frame (531) latch is provided on top, the lower end upper side of anti-skidding pivoted frame (531) is arcuate structure, and Antiskid rolling wheel (534) passes through Axis pin is mounted on the lower end inside face of anti-skidding pivoted frame (531), and anti-skidding limit is equipped on the rear side outer end of anti-skidding pivoted frame (531) Body (535).

5. a kind of jiffy stand with multiple-protection according to claim 2, it is characterised in that：The rear portion alarm Structure (69) includes alert box (691), alarm (692), alarm bull stick (693), alarm tappet (694), alarm spring (695), warning support (696), alarm traveller (697), traveller spring (698) and ejection plate (699), alert box (691) installation On the leading flank of rear portion movable plate (63), alert box (691) is the hollow-core construction of upper end opening, the lower end of alert box (691) Alarm (692) is symmetrically installed on inside, alarm bull stick (693) is mounted on by axis pin on the inside of the upper end of alert box (691) On face, alarm bull stick (693) top be arcuate structure, alarm bull stick (693) bottom on by hinge be equipped with alarm with The bottom of lever (694), alarm tappet (694) is sphere structure, and alarm spring is provided on the outside of alarm tappet (694) (695), alarm spring (695) is mounted between the bottom of alarm bull stick (693) and the sphere structure of alarm tappet (694), Warning support (696) is mounted on the trailing flank of alert box (691), and warning support (696) and the middle part of alarm traveller (697) are logical It crosses the mode being slidably matched to be connected, the rear end of alarm traveller (697) is provided with limit body, alarms on the front end of traveller (697) Ejection plate (699) is installed, the lateral surface of alarm traveller (697) is provided with traveller spring (698), traveller spring (698) installation Between ejection plate (699) and warning support (696), circular hole is arranged in position and the rear portion movable plate (63) of alarm traveller (697) Position it is corresponding, be uniformly arranged the circular hole for being useful for acoustic in bottom side of the wall on front side of alert box (691), alert box (691) The open circles tapered sleeve for amplifying is provided on the leading flank of lower end, the open circles tapered sleeve rear end of alert box (691) setting is located at report The outside of circular hole is arranged in alert frame (691).

6. a kind of jiffy stand with multiple-protection according to claim 3, it is characterised in that：The deceleration mechanism (75) include deceleration telescopic rod (751), retarding spring (752), deceleration frame linking (753) and deceleration arc frame (754), slow down flexible The bottom of bar (751) is mounted on the rear end of deceleration frame linking (753), and deceleration frame linking (753) is mounted on the upper of limit bearing (72) It holds on trailing flank, the middle part of deceleration telescopic rod (751) passes through limit bearing (72), is equipped with and subtracts on the top of limit bearing (72) Fast arc frame (754) is evenly arranged with damping rubber block, deceleration telescopic rod on the middle part trailing flank of deceleration arc frame (754) (751) retarding spring (752) is provided on the outside of, retarding spring (752) is mounted on deceleration frame linking (753) and deceleration arc frame (754) between.

7. a kind of jiffy stand with multiple-protection according to claim 3, it is characterised in that：The buffer gear (78) include No.1 idler wheel (781), No. two idler wheels (782), front brush (783), rear portion brush (784), front guide (785) and after lead Plate (786), No.1 idler wheel (781) are mounted on by axis pin on front side of the upper end of limit bearing (72), No. two idler wheel (782) installations On the rear side of the upper end of limit bearing (72), and No. two idler wheels (782) are located at the top of No.1 idler wheel (781), and (783) are brushed in front On the downside of the front end of No.1 idler wheel (781), front is brushed (783) and is mounted on the leading inside wall of limit bearing (72), front It brushes and front guide (785) is installed on the bottom of (783), rear portion is brushed (784) and is located on the downside of the rear end of No. two idler wheels (782), rear portion It brushes (784) to be mounted on the rear inside wall of limit bearing (72), back guide (786) is installed on the bottom of rear portion brush (784).

8. a kind of jiffy stand with multiple-protection according to claim 1, it is characterised in that：The anti-skidding guide plate (51) be respectively provided on the square groove outer end front and back sides being arranged on there are one stop limited block, and stop limited block position with it is anti-skidding The position of limit body (535) is corresponding.

9. a kind of jiffy stand with multiple-protection according to claim 1, it is characterised in that：The forward support post (2) it is mounted on support telescopic bar (21) on left and right side and leading flank, branch is installed on the top of support telescopic bar (21) Crashworthy plate (22) is supportted, support spring (23) is provided on the outside of support telescopic bar (21), support spring (23) is mounted on front support Between column (2) and support Crashworthy plate (22).

10. a kind of jiffy stand with multiple-protection according to claim 1, it is characterised in that：The anti-skidding guide plate (51) leading flank is inclined surface, and anti-slop serrations are evenly arranged on the top of anti-skidding guide plate (51).