Background
With the rapid development of economy and the increasing number of automobiles, the problem of difficult parking in large and medium cities is more and more prominent; in recent years, large-scale plane moving mechanical parking equipment and vertical lifting mechanical parking equipment are developed rapidly; the plane moving mechanical parking equipment and the vertical lifting mechanical parking equipment generally comprise a car entering room, a lifter, a transverse moving trolley, an intelligent carrying trolley and the like, wherein the intelligent carrying trolley is a core device of an intelligent garage and completes a transferring task of a car between a parking space and the transverse moving trolley; at present, an intelligent carrying trolley in an intelligent three-dimensional parking garage consists of a front trolley and a rear trolley, wherein the front trolley is used for clamping and embracing a front wheel pair of an automobile, the rear trolley is used for clamping and embracing a rear wheel pair of the automobile, and a pair of clamping arms on the trolley forcibly hold tires of front wheels and rear wheels of the automobile by rotating, extending out and clamping under the driving of a clamping motor and a transmission gear so as to lead the whole automobile to leave a parking surface and transfer the whole automobile to the two intelligent carrying trolleys; the automobile transshipment mode of forcibly clamping and holding the tire by the clamping arm is easy to cause the tire of the automobile to be damaged, and particularly, when the air pressure of the tire is insufficient, the accident that the tire is clamped and exploded is easy to happen; in order to solve the problem, the technicians in the same field always try to change the action mode of the clamping arm, namely 'forced clamping and holding', and thoroughly eliminate the action of the clamping arm on the transverse force of the tire; chinese patent publication No. CN110056228 discloses a clamping and lifting type vehicle carrier, which decomposes the forced clamping and lifting actions of the existing clamping arm on the wheel into two actions of "clamping" and "lifting" to complete, the clamping motor drives the clamping arm to rotate horizontally and then stops immediately when touching the lower part of the wheel tire, then the clamping arm and the vehicle body are lifted up by means of a lifting platform structure arranged on the vehicle to leave the parking surface, so as to realize the transfer of the vehicle between the parking space and the carrying vehicle; this technical scheme's the elevating platform of setting on floor truck adopts four ball to accomplish, and ball can realize that the high accuracy goes up and down, nevertheless has with high costs, and the clean environment of work requires also high characteristics, is unsuitable in the garage field use, still has four lead screw synchronizabilities simultaneously poor, appears the jamming easily, installs, maintains, overhauls complicated defect.
The tire clamping device comprises a conveying trolley, a clamping arm, a rubber tire, a clamping arm and a motor, wherein the conveying trolley is used for clamping a tire of a wheel through the rotation action of the clamping arm, the clamping arm is made of a steel plate, the clamping arm is hard, and is driven by the motor to be in contact with the rubber tire after rotation so as to complete clamping, the rubber tire can be certainly damaged, and the problem can be solved.
The automobile carrier enters the lower part of the automobile chassis from the lower part of the automobile chassis, and after a clamping arm on the carrier extends out in a rotating way, four wheels of an automobile are clamped and then held up to realize the transshipment of the automobile; the existing automobile chassis has different heights, when the carrying trolley enters the bottom of an automobile with a lower chassis, the phenomenon that the automobile chassis is scratched easily occurs, even the phenomenon that a carrier is stuck with the automobile chassis occurs, so that the work of storing and taking the automobile cannot be carried out, the fault needs to be eliminated, and how to avoid the phenomenon is also a problem to be solved on site.
Disclosure of Invention
The invention provides a split clamping lifting type automobile carrier and a working method thereof, and solves the technical problems of how to avoid the damage of tires by the carrier and how to make equipment low in cost and easy to maintain.
The invention solves the technical problems by the following technical scheme:
an intelligent carrying trolley with a lifting car-carrying platform comprises a trolley body frame and a lifting platform, wherein the lifting platform is arranged on the trolley body frame, a trolley traveling driving motor and a trolley traveling wheel pair are respectively arranged on the trolley body frame, a front rack mounting seat is arranged on a front cross beam of the trolley body frame, a front rack arranged along the vertical direction is fixedly arranged on the front rack mounting seat, front cross beams on two sides of the front rack are respectively provided with a front guide wheel guide rail of a lifting platform, a rear rack mounting seat is arranged on a rear cross beam of the trolley body frame, a rear rack arranged along the vertical direction is fixedly arranged on the rear rack mounting seat, rear cross beams on two sides of the rear rack are respectively provided with a lifting platform rear guide wheel guide rail, the lifting platform front guide wheel guide rail is a flat guide rail, and the lifting platform rear guide wheel guide rail is a circular arc-shaped convex guide rail; the lifting platform is provided with a lifting platform driving motor, the output end of the lifting platform driving motor is connected with two-end output long shafts, the two-end output long shafts are arranged along the front and back directions, the front ends of the two-end output long shafts are connected with a front lifting driving gear, the rear ends of the two-end output long shafts are connected with a rear lifting driving gear, front cross beams of the lifting platform on two sides of the front lifting driving gear are respectively provided with a front guide wheel with a wheel surface being a plane, rear cross beams of the lifting platform on two sides of the rear lifting driving gear are respectively provided with a rear guide wheel with a wheel surface being a V-shaped surface, the front lifting driving gear is meshed with a front rack, the rear lifting driving gear is meshed with a rear rack, the front guide wheel is arranged on a front guide wheel guide rail of the lifting platform, and the.
The lifting platform is provided with a front arm driving motor and a rear arm driving motor respectively, the front arm driving motor is connected with a pair of front arms through a transmission gear, and the rear arm driving motor is connected with a pair of rear arms through the transmission gear.
The utility model provides an intelligence floor truck's flexible clamp armful arm, including armful arm driving motor, armful arm driving motor links together with armful arm through drive gear, on the rectangular form clamp armful board of armful arm, be provided with and bump the pole and lean out rectangular hole, on the lower bottom surface of rectangular form clamp armful board, the fixed round pin axle that is provided with, it has left L shape pendulum rod to articulate in the epaxial activity of round pin respectively, well L shape pendulum rod and right L shape pendulum rod, at left L shape pendulum rod front end, be connected with between well L shape pendulum rod front end and the right L shape pendulum rod front end and bump the pole, bump the pole activity and set up in bumping and lean out rectangular hole, be provided with left pendulum rod support spring guide cylinder on the lower bottom surface of the rectangular form clamp armful board in the left L shape pendulum rod rear end outside, be provided with left pendulum rod support spring in left pendulum rod support spring guide cylinder, the outer end top of left pendulum rod support spring is on left L shape pendulum rod, it bumps the contact head that detection switch to fix being provided with on the lower bottom surface of bumping The touch switch is electrically connected with the arm-embracing driving motor.
The rear end of the middle L-shaped swing rod is provided with a swing rod rear end hinge seat, and the middle L-shaped swing rod is connected to the pin shaft through the swing rod rear end hinge seat; the rubber sleeve is arranged on the touch rod.
An intelligent carrying trolley with a protection function comprises an ultra-low chassis automobile and an intelligent carrying trolley, wherein a trolley walking driving motor is arranged on a trolley body frame of the intelligent carrying trolley, a hinge seat at the rear end of an ultra-low detection plate of an automobile chassis is arranged on a front cross beam of the trolley body frame, the hinge seat at the rear end of the ultra-low detection plate of the automobile chassis is hinged with the ultra-low detection plate of the automobile chassis, an inverted V-shaped front end brim is arranged at the front end of the ultra-low detection plate of the automobile chassis, a detection plate supporting spring seat is arranged on the front end cross beam of the trolley body frame, a detection plate supporting spring is arranged on the detection plate supporting spring seat, the upper end of the detection plate supporting spring is abutted against the lower bottom surface of the ultra-low detection plate of the automobile chassis, an automobile chassis touch switch is further arranged on the front end cross beam of the trolley body frame, and an automobile chassis touch switch probe extending, the automobile chassis touch switch is electrically connected with the trolley walking driving motor.
According to the protection method of the intelligent carrying trolley with the protection function, when the intelligent carrying trolley enters the lower portion of the chassis of the automobile with the ultra-low chassis, after the chassis of the automobile with the ultra-low chassis is contacted with the front end of the ultra-low detection plate of the automobile chassis, the ultra-low detection plate of the automobile chassis is pressed and descended, the probe of the touch switch of the automobile chassis is pressed down, the touch switch of the automobile chassis acts, the power supply of the walking driving motor of the trolley is cut off, the intelligent carrying trolley stops advancing, and the intelligent carrying trolley is prevented from being scratched and rubbed against the chassis of the automobile with the ultra-.
A split-clamping lifting type automobile carrier comprises a parking space front wheel carrier, a parking space rear wheel carrier, an automobile, a transverse trolley, a front intelligent carrying trolley and a rear intelligent carrying trolley, wherein a carrying trolley longitudinal moving guide rail is arranged on the transverse trolley; embrace and press from both sides drive gear respectively with one side drive gear and the first drive gear of opposite side and mesh together on the preceding arm driving motor output shaft of embracing of back intelligence floor truck, first drive gear is through second drive gear and the preceding arm execution rotary gear meshing of embracing of opposite side on the arm is in the same place before the opposite side, one side drive gear and the preceding arm execution rotary gear meshing of embracing of one side on the arm is in the same place before embracing before setting up in one side, preceding arm driving motor is through above drive gear, it accomplishes to the rotatory stretching out of automobile body both sides and to the dolly automobile body central axis withdraw to embrace the arm before controlling one side and the preceding arm of embracing of.
A method for clamping and lifting an automobile by a split clamping and lifting type automobile carrier is characterized by comprising the following steps:
firstly, arranging a front intelligent carrying trolley and a rear intelligent carrying trolley on a carrying trolley longitudinal moving guide rail arranged on a transverse trolley, and parking automobiles on a parking space front wheel frame and a parking space rear wheel frame;
secondly, when the transverse moving trolley moves to one side of the automobile, and after a longitudinal moving guide rail of the carrying trolley is aligned with a lateral guide-in carrying trolley plate, the front intelligent carrying trolley firstly runs to the front wheel pair of the automobile, and then the rear intelligent carrying trolley runs to the lower part of the automobile chassis and is connected with the front intelligent carrying trolley in a leaning mode;
thirdly, simultaneously operating a front arm driving motor and a rear arm driving motor on the front intelligent carrying trolley to simultaneously open a pair of front arms and a pair of rear arms and clamp a front wheel pair of the automobile;
fourthly, controlling a front arm driving motor on the rear intelligent carrying trolley to rotate and open a pair of front arms, then starting a trolley walking driving motor on the rear intelligent carrying trolley to enable the rear intelligent carrying trolley to run backwards, stopping the rear intelligent carrying trolley when a pair of front arms on the rear intelligent carrying trolley is in collision with a rear wheel pair of the automobile, controlling a pair of rear arms to be opened by a rear arm driving motor, and clamping the rear wheel pair of the automobile by the pair of front arms and the pair of rear arms;
fifthly, starting a lifting platform driving motor to lift the lifting platform, wherein the lifting platform on the front intelligent carrying trolley and the lifting platform on the rear intelligent carrying trolley lift the automobile away from the front and rear wheel frames of the parking space;
and sixthly, simultaneously starting a trolley walking driving motor on the front intelligent carrying trolley and a trolley walking driving motor on the rear intelligent carrying trolley, wherein the front intelligent carrying trolley and the rear intelligent carrying trolley carry the automobile and run onto the transverse trolley, and the automobile is transferred from the parking space to the transverse trolley.
A method for clamping and lifting an automobile by a split clamping and lifting type automobile carrier is characterized in that a rear intelligent carrying trolley runs backwards, when a pair of front holding arms on the rear intelligent carrying trolley approaches to a rear wheel pair of the automobile, a touch rod on a long strip-shaped clamping and holding plate of the holding arms stretches out of a touch rod extending out of a long strip hole and is firstly in touch with a rear wheel tire of the automobile, the touch rod compresses a left swing rod supporting spring through a left L-shaped swing rod and a right L-shaped swing rod along with backward movement of the rear intelligent carrying trolley, so that the touch rod is in flexible contact with the rear wheel tire, when the touch rod is about to enter the long strip hole of the touch rod, the middle L-shaped swing rod is in contact with a touch contact head of a tire touch detection switch, the tire touch detection switch sends out a power supply for cutting off a travelling driving motor on the rear intelligent carrying trolley, the rear intelligent carrying trolley stops travelling backwards, then the rear holding arm driving motor controls a pair of rear holding arms to be opened, the pair of front embracing arms and the pair of rear embracing arms clamp the rear wheel pair of the automobile.
According to the invention, through the two independent power supply split front and rear carrying trolleys, the height of a vehicle chassis is detected through an ultra-low chassis detector arranged at the front end of the carrying trolley during vehicle taking, after the vehicle is determined not to belong to the ultra-low chassis, the two carrying trolleys enter the lower part of the vehicle chassis, tires are firstly clamped and found, then the vehicle is lifted, and the actions are finished independently; the collision rod and the tire collision detection switch are arranged on the newspaper arm, so that flexible clamping on the tire is realized, and the damage of the clamping arm on the vehicle tire is greatly reduced; the two carrying trolleys used by the invention enter the lower part of the chassis of the pre-fetching vehicle simultaneously, then the rear trolley opens the front holding arm and moves backwards to find the tire of the rear wheel pair of the collision-connected vehicle, and finally, the clamping method of the opened rear holding arm of the opened rear trolley is more beneficial to accurately clamping the rear tires of the vehicles with different wheelbases by the carrying trolleys, thereby greatly improving the working efficiency.
Drawings
FIG. 1 is a schematic structural view of an intelligent carrying trolley with a lifting car carrying platform;
FIG. 2 is a schematic structural view of a cart body frame 9 of the intelligent carrier of the present invention;
fig. 3 is a schematic structural view of the lifting platform 10 of the intelligent carrier of the present invention;
fig. 4 is a schematic structural view of the elevating driving mechanism of the elevating platform 10 of the present invention;
FIG. 5 is a schematic view of the present invention showing the construction of the armlet in a front view;
FIG. 6 is a schematic view of the present invention showing the arm in a bottom view;
FIG. 7 is a diagram showing the relationship between the catch lever 35, the L-shaped swing link, and the tire catch detecting switch 33 provided in the arm according to the present invention;
FIG. 8 is a diagram showing the relationship between the catch lever 35, the L-shaped swing link, and the swing link supporting spring provided in the embracing arm according to the present invention;
FIG. 9 is a view showing the connection relationship between the catch lever 35 and three L-shaped swing links according to the present invention;
FIG. 10 is a schematic structural view of a middle L-shaped swing link 37 of the present invention;
fig. 11 is a schematic structural view of the lifting platform 10 on the rear intelligent carrying trolley 8 when two pairs of arms are opened;
FIG. 12 is a schematic view of the two transfer carts of the present invention entering the vehicle 3 ready for entry under the undercarriage thereof;
FIG. 13 is a schematic view of the construction of the ultra low detection plate 44 of the automobile chassis of the present invention;
FIG. 14 is an operational state diagram of the traverse carriage 6 of the present invention moved to the side of the automobile 3;
fig. 15 is a view showing the fitting relationship between the parking space front wheel frame 1 and the lateral introduction carrying cart plate 5 according to the present invention;
FIG. 16 is a schematic view of the drive mechanism of the present invention;
FIG. 17 is a schematic structural view of the front intelligent carrier 4 and the rear intelligent carrier 8 of the present invention entering under the vehicle chassis at the same time;
fig. 18 is a schematic structural view of the rear intelligent carrier 8 when it backs up to the rear wheel pair position of the automobile 3;
fig. 19 is a schematic configuration diagram of the two-wheeled vehicle of the present invention for carrying a vehicle from a parked state to the traverse carriage 6.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
an intelligent carrying trolley with a lifting car-carrying platform comprises a trolley body frame 9 and a lifting platform 10, wherein the lifting platform 10 is arranged on the trolley body frame 9, a trolley walking driving motor 19 and a trolley walking wheel pair 20 are respectively arranged on the trolley body frame 9, the intelligent carrying trolley can walk through the trolley walking wheel pair 20 under the driving of the trolley walking driving motor 19, a front rack mounting seat 13 is arranged on a front cross beam 11 of the trolley body frame 9, front racks 14 which are arranged along the vertical direction are fixedly arranged on the front rack mounting seat 13, front lifting platform guide wheel guide rails 17 are respectively arranged on the front cross beams 11 at two sides of the front racks 14, the front lifting platform guide wheel guide rails 17 are arranged in pairs, a rear rack mounting seat 15 is arranged on a rear cross beam 12 of the trolley body frame 9, rear racks 16 which are arranged along the vertical direction are fixedly arranged on the rear rack mounting seat 15, the rear cross beams 12 on the two sides of the rear rack 16 are both provided with lifting platform rear guide wheel guide rails 18, the lifting platform rear guide wheel guide rails 18 are arranged in pairs, the lifting platform front guide wheel guide rails 17 are flat guide rails, and the lifting platform rear guide wheel guide rails 18 are circular arc-shaped convex guide rails; a lifting platform driving motor 25 is arranged on the lifting platform 10, a long output shaft 26 with two ends is connected on the output end of the lifting platform driving motor 25, the long output shafts 26 with two ends are arranged along the front-back direction, a front lifting driving gear 27 is connected to the front end of the two-end output long shaft 26, a rear lifting driving gear 28 is connected to the rear end of the two-end output long shaft 26, the front cross beam 21 of the lifting platform at the two sides of the front lifting driving gear 27 is provided with a front guide wheel 22 with a plane wheel surface, rear guide wheels 24 with V-shaped wheel surfaces are arranged on the lifting platform rear cross beams 23 on two sides of the rear lifting driving gear 28, the front lifting driving gear 27 is meshed with the front rack 14, the rear lifting driving gear 28 is meshed with the rear rack 16, the front guide wheels 22 are arranged on the lifting platform front guide wheel guide rail 17, and the rear guide wheels 24 are arranged on the lifting platform rear guide wheel guide rail 18; the matching of the rear guide wheel 24 with the V-shaped wheel surface and the lifting platform rear guide wheel guide rail 18 of the arc-shaped protruding guide rail and the matching of the front guide wheel 22 with the plane wheel surface and the lifting platform front guide wheel guide rail 17 of the flat guide rail facilitate the assembly of the lifting platform 10 on the trolley body frame 9, and eliminate the strict requirement of matching error between the two.
The lifting platform 10 is provided with a front arm driving motor 29 and a rear arm driving motor 31 respectively, the front arm driving motor 29 is connected with a pair of front arms 30 through a transmission gear, the rear arm driving motor 31 is connected with a pair of rear arms 32 through a transmission gear, and the driving of the pair of front arms and the driving of the pair of rear arms are independent.
A flexible clamping arm of an intelligent carrying trolley comprises an arm driving motor, the arm driving motor is connected with an arm through a transmission gear, a collision rod extending out of a long hole 34 is arranged on a long strip-shaped clamping and holding plate of the arm, a pin shaft 40 is fixedly arranged on the lower bottom surface of the long strip-shaped clamping and holding plate, a left L-shaped swing rod 36, a middle L-shaped swing rod 37 and a right L-shaped swing rod 38 are movably hinged on the pin shaft 40 respectively, the structure of the left L-shaped swing rod 36, the structure of the middle L-shaped swing rod 37 and the structure of the right L-shaped swing rod 38 are completely the same, a collision rod 35 is connected among the front end of the left L-shaped swing rod 36, the front end of the middle L-shaped swing rod 37 and the front end of the right L-shaped swing rod 38, the collision rod 35 is movably arranged in the collision rod extending out of the long hole 34, a left swing rod supporting spring guide cylinder 43 is arranged on the lower bottom surface of the long strip-shaped clamping and holding plate outside the rear end of the left L-shaped swing rod, the outer end of a left swing rod supporting spring 42 is abutted to the left L-shaped swing rod 36, a right swing rod supporting spring guide cylinder is arranged on the lower bottom surface of the long-strip-shaped clamping and holding plate on the outer side of the rear end of the right L-shaped swing rod 38, a right swing rod supporting spring is arranged in the right swing rod supporting spring guide cylinder, the outer end of the right swing rod supporting spring is abutted to the right L-shaped swing rod 38, a collision contact head 41 of a tire collision detection switch 33 is fixedly arranged on the lower bottom surface of the long-strip-shaped clamping and holding plate on the outer side of the rear end of the middle L-shaped swing rod 37, and the collision switch 41 is electrically connected with a; the arm is contacted with the tire through a rubber sleeve on the extending collision rod 35, and the power supply of the arm driving motor is cut off through the tire collision detection switch 33, so that the arm stops rotating in time, and the tire is protected from being damaged.
The rear end of the middle L-shaped swing rod 37 is provided with a swing rod rear end hinge seat 39, and the middle L-shaped swing rod 37 is connected to the pin shaft 40 through the swing rod rear end hinge seat 39; the touch rod 35 is provided with a rubber sleeve.
An intelligent carrying trolley with a protection function comprises an ultra-low chassis automobile 3 and an intelligent carrying trolley, wherein a trolley walking driving motor 19 is arranged on a trolley body frame 9 of the intelligent carrying trolley, an automobile chassis ultra-low detection plate rear end hinge seat 45 is arranged on a front cross beam 11 of the trolley body frame 9, an automobile chassis ultra-low detection plate 44 is hinged on the automobile chassis ultra-low detection plate rear end hinge seat 45, an inverted V-shaped front end brim 48 is arranged at the front end of the automobile chassis ultra-low detection plate 44, a detection plate supporting spring seat 46 is arranged on a front end cross beam of the trolley body frame 9, a detection plate supporting spring 47 is arranged on the detection plate supporting spring seat 46, the upper end of the supporting spring 47 is abutted against the lower bottom surface of the automobile chassis ultra-low detection plate 44, and an automobile chassis touch switch 50 is also arranged on the front end cross beam of the trolley body frame 9, an automobile chassis touch switch probe 49 which extends upwards is arranged on the automobile chassis touch switch 50, and the automobile chassis touch switch 50 is electrically connected with the trolley traveling driving motor 19.
According to the protection method of the intelligent carrying trolley with the protection function, when the intelligent carrying trolley enters the lower portion of the chassis of the automobile 3 with the ultra-low chassis, after the chassis of the automobile 3 with the ultra-low chassis is contacted with the front end of the ultra-low detection plate 44 of the automobile chassis, the ultra-low detection plate 44 of the automobile chassis is pressed to descend, the probe 49 of the automobile chassis touch switch is pressed down, the automobile chassis touch switch 50 acts, the power supply of the trolley walking driving motor 19 is cut off, the intelligent carrying trolley stops advancing, and the intelligent carrying trolley is prevented from being scratched and rubbed against the chassis of the automobile 3 with the ultra-low chassis.
A method for clamping and lifting an automobile by a split clamping and lifting type automobile carrier is characterized by comprising the following steps:
firstly, arranging a front intelligent carrying trolley 4 and a rear intelligent carrying trolley 8 on a carrying trolley longitudinal moving guide rail 7 arranged on a transverse trolley 6, and parking an automobile 3 on a parking space front wheel frame 1 and a parking space rear wheel frame 2;
secondly, when the transverse moving trolley 6 moves to one side of the automobile 3 and the longitudinal moving guide rail 7 of the carrying trolley is aligned with the lateral leading-in carrying trolley plate 5, the front intelligent carrying trolley 4 firstly runs to the front wheel pair of the automobile 3, and then the rear intelligent carrying trolley 8 runs to the lower part of the chassis of the automobile 3 and is abutted to the front intelligent carrying trolley 4;
thirdly, simultaneously operating a front arm driving motor 29 and a rear arm driving motor 31 on the front intelligent carrying trolley 4 to simultaneously open a pair of front arms 30 and a pair of rear arms 32 and clamp a front wheel pair of the automobile 3;
fourthly, controlling a front arm driving motor 29 on the rear intelligent carrying trolley 8 to rotate and open a pair of front arms 30, then starting a trolley walking driving motor 19 on the rear intelligent carrying trolley 8 to drive the rear intelligent carrying trolley 8 to run backwards, stopping the rear intelligent carrying trolley 8 when the pair of front arms 30 on the rear intelligent carrying trolley 8 touch a rear wheel pair of the automobile 3, controlling a pair of rear arms 32 to open by a rear arm driving motor 31, and clamping the rear wheel pair of the automobile 3 by the pair of front arms 30 and the pair of rear arms 32;
fifthly, starting a lifting platform driving motor 25 to lift the lifting platform 10, wherein the lifting platform 10 on the front intelligent carrying trolley 4 and the lifting platform 10 on the rear intelligent carrying trolley 8 lift the automobile 3 away from the front and rear wheel frames of the parking space;
and sixthly, simultaneously starting a trolley walking driving motor 19 on the front intelligent carrying trolley 4 and a trolley walking driving motor on the rear intelligent carrying trolley 8, carrying the automobile 3 on the front intelligent carrying trolley 4 and the rear intelligent carrying trolley 8, and driving the automobile to the transverse trolley 6 to complete the transfer of the automobile 3 from the parking space to the transverse trolley 6.
The rear intelligent carrying trolley 8 runs backwards, when a pair of front holding arms 30 on the rear intelligent carrying trolley 8 approaches to a rear wheel pair of the automobile 3, the contact rods 35 extending out of the long holes 34 on the strip-shaped clamping and holding plates of the holding arms firstly contact rear wheel tires of the automobile 3, along with the backward movement of the rear intelligent carrying trolley 8, the contact rods 35 compress the left oscillating rod supporting spring 42 through the left L-shaped oscillating rod 36 and the right L-shaped oscillating rod 38, so that the contact rods 35 are in flexible contact with rear wheel tires, when the contact rods 35 are about to enter the long holes 34 extended out of the contact rods, the middle L-shaped oscillating rod 37 contacts with the contact head 41 of the tire contact detection switch 33, the tire contact detection switch 33 sends out a power supply for cutting off the trolley walking driving motor 19 on the rear intelligent carrying trolley 8, the rear intelligent carrying trolley 8 stops running backwards, and then the rear holding arm driving motor 31 controls the pair of rear holding arms 32 to be opened, the pair of front arms 30 and the pair of rear arms 32 hold the rear wheel pair of the automobile 3.