1. The utility model provides a wisdom parking is with carrying plummer, is including carrying platform (1), its characterized in that: one end of the conveying platform (1) is welded with a lap joint plate (11), the conveying platform (1) is provided with a through groove (12) in bilateral symmetry, the upper end of the conveying platform (1) is welded with a triangular plate (13), the conveying platform (1) is provided with a connecting mechanism, the lower end of the conveying platform (1) is welded with a concave plate (4) in bilateral symmetry, the inner side of the concave plate (4) is provided with a groove (41) in bilateral symmetry, the concave plate (4) is connected with a movable plate (5) in a sliding manner, the left side and the right side of the movable plate (5) are welded with sliding plates (51), the sliding plates (51) are connected with the groove (41) in a sliding manner, the upper end of the movable plate (5) is provided with a connecting groove (52), the upper end of the movable plate (5) is provided with a wheel limiting mechanism, the side of the movable plate (5) is provided with a transmission, an alarm mechanism is arranged on one side, away from the transmission mechanism, of the movable plate (5), and a notch (57) is formed in the upper end of the movable plate (5).

2. The intelligent parking conveying platform as claimed in claim 1, wherein: the upper end of the lapping plate (11) is an inclined slope surface, and the lower end of the lapping plate (11) is in contact with a ground platform.

3. The intelligent parking conveying platform as claimed in claim 1, wherein: the connecting mechanism comprises: swing span (2), rectangular block (21), connecting axle (3), spacing ring (31) and connecting plate (32), the symmetry is provided with swing span (2) around the upper end of carrying platform (1), and the upper end welding of swing span (2) inboard has rectangular block (21), is provided with connecting axle (3) between two swing spans (2) of front and back symmetric distribution, two rectangular block (21) settings are run through respectively at the both ends of connecting axle (3), and connecting axle (3) rotate with rectangular block (21) and be connected, the both ends symmetric welding of connecting axle (3) has spacing ring (31), spacing ring (31) rotate with rectangular block (21) and are connected, the both ends of connecting axle (3) are rotated through the bearing and are connected with connecting plate (32).

4. The intelligent parking conveying platform as claimed in claim 3, wherein: the swing frame (2) is arranged in a concave shape, two lower ends of the swing frame (2) are movably connected with two sides of the conveying platform (1) through pin rods, and an included angle of one hundred twenty degrees is formed between the swing frame (2) and the conveying platform (1).

5. The intelligent parking conveying platform as claimed in claim 1, wherein: wheel stop gear is including: convex plate (53) and bullet shape board (54), peg graft convex plate (53) in connecting groove (52), be provided with between convex plate (53) and the connecting groove (52) bullet shape board (54), the upper end of convex plate (53) becomes the curved surface setting, convex plate (53) and logical groove (12) sliding connection.

6. The intelligent parking conveying platform as claimed in claim 5, wherein: the elastic plate (54) is an S-shaped elastic plate, the upper end of the elastic plate (54) is welded with the convex plate (53), and the lower end of the elastic plate (54) is welded with the bottom end of the connecting groove (52).

7. The intelligent parking conveying platform as claimed in claim 1, wherein: the transmission mechanism comprises: backup pad (55), pinion rack (6), gear pole (61) and motor (62), the side bilateral symmetry welding of concave plate (4) has backup pad (55), is provided with pinion rack (6) between two backup pad (55) that bilateral symmetry distributes, pinion rack (6) and fly leaf (5) welding, the side meshing of pinion rack (6) has gear pole (61), gear pole (61) rotate with backup pad (55) through the pin pole and are connected, the side of backup pad (55) is connected with motor (62) through the fixed bolster, the output shaft of motor (62) passes through pin gear pole (61) joint.

8. The intelligent parking conveying platform as claimed in claim 1, wherein: the sucking disc device includes: according to the technical scheme, the novel portable vacuum cup comprises a pressing rod (56), a sucker (7), a circular plate (71), an annular groove (72), a connecting column (73), an air vent groove (74), a limiting block (75), an annular extrusion plate (76) and a sealing ring (77), wherein the pressing rod (56) is welded at the lower end of a movable plate (5) in a bilateral symmetry mode, the lower end of the pressing rod (56) penetrates through a concave plate (4), the sucker (7) is arranged below the pressing rod (56), the circular plate (71) is welded at the upper end of the sucker (7), the annular groove (72) is formed at the upper end of the circular plate (71), the connecting column (73) is connected in the circular plate (71) in a sliding mode, the air vent groove (74) is formed in the side symmetry of the connecting column (73), the limiting block (75) is welded at the lower end of the connecting column (73) in the bilateral symmetry mode, the annular extrusion plate (76) is welded at the upper end of the connecting column (73), the lower end of the annular extrusion plate (76) is pasted with a sealing ring (77), the sealing ring (77) is inserted into the annular groove (72), and the upper end of the connecting column (73) is welded with the pressing rod (56).

9. The intelligent parking conveying platform as claimed in claim 5, wherein: the alarm mechanism comprises: the anti-theft alarm comprises a limiting rod (8), a positioning rod (81), a knocking rod (9), a knocking block (91), a circular groove (92), a reset spring (93) and an alarm (94), wherein the limiting rod (8) is welded on the side surface of a convex plate (53), the positioning rod (81) is welded at the lower end of the inner side of the limiting rod (8), the knocking rod (9) is rotatably connected to the side surface of a movable plate (5) through a pin rod, the knocking block (91) is welded on the side surface of the knocking rod (9), the circular groove (92) is formed in the lower end of the knocking rod (9), the positioning rod (81) is connected with the circular groove (92) in an inserting mode, the reset spring (93) is connected to the side surface of the knocking rod (9) in an inserting mode, one end of the reset spring (93) is connected with the fixed block in an inserting mode, the fixed block is welded with the movable plate (5), and a fixed plate which is obliquely arranged is welded on the side surface of the movable plate (5), an alarm (94) is adhered to the side surface of the fixing plate.

Background

With the improvement of science and technology and the improvement of the living standard of residents, automobiles become indispensable vehicles in life, and the holding capacity of motor vehicles is continuously increased, so that the caused parking problem is more and more severe, and with the development and popularization of technologies such as an OCR (optical character recognition) technology, an image recognition technology, video acquisition, a mobile terminal, electronic payment and artificial intelligence, the application of intelligent parking lots is gradually mature. The intelligent parking equipment can avoid the problems that the past parking lot is managed by people, charges are not transparent, and the time consumption for entering and exiting the parking lot is large, and a body parking space is built in the same space to park more vehicles, so that the parking quantity of a unit space can be expanded.

The conveying table in the existing intelligent parking equipment has certain defects, the conveying table drives the automobile to lift through the matching of the driving mechanism and the transmission mechanism, certain shaking is inevitably generated in the moving process of the conveying table, the existing conveying table does not have automobile protection measures, when the automobile slides along the conveying table, the automobile cannot be fixed in time, and the automobile or the parking equipment is damaged due to danger; when the conveying platform is located on the ground and a vehicle drives into the conveying platform from the ground platform, the conveying platform is easy to shake in the driving process of the vehicle due to the fact that no fixed facilities are arranged between the conveying platform and the ground, so that the vehicle is easy to shake, a vehicle owner is scared, the vehicle is prone to slipping or shifting seriously, and accordingly danger is caused.

Therefore, we propose a conveying carrier for intelligent parking to solve the above-mentioned drawbacks.

Disclosure of Invention

The present invention is directed to a conveying carrier for intelligent parking, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a conveying bearing platform for intelligent parking comprises a conveying platform, wherein one end of the conveying platform is welded with a lap plate, through grooves are symmetrically formed in the left side and the right side of the upper part of the conveying platform, a triangular plate is welded in the upper end of the conveying platform, a connecting mechanism is arranged on the conveying platform, a concave plate is symmetrically welded in the left side and the right side of the lower end of the conveying platform, grooves are symmetrically formed in the left side and the right side of the inner side of the concave plate, a movable plate is connected in the concave plate in a sliding mode, sliding plates are symmetrically welded in the left side and the right side of the movable plate and are connected with the grooves in a sliding mode, a connecting groove is formed in the upper end of the movable plate, a wheel limiting mechanism is arranged at the upper end of the movable plate, a transmission mechanism is arranged on, the upper end of the movable plate is provided with a notch.

Preferably, the upper end of the lapping plate is arranged as an inclined slope surface, and the lower end of the lapping plate is contacted with the ground platform.

Preferably, the connecting mechanism comprises: swing span, rectangular block, connecting axle, spacing ring and connecting plate, the symmetry is provided with the swing span around the upper end of carrying the platform, and the inboard upper end welding of swing span has the rectangular block, is provided with the connecting axle between two swing spans of front and back symmetric distribution, two rectangular block settings are run through respectively at the both ends of connecting axle, and the connecting axle rotates with the rectangular block to be connected, the both ends symmetric welding of connecting axle has the spacing ring, the spacing ring rotates with the rectangular block to be connected, the both ends of connecting axle are rotated through the bearing and are connected with the connecting plate.

Preferably, the swing frame is arranged in a concave shape, two lower ends of the swing frame are movably connected with two sides of the conveying table through pin rods, and an included angle of one hundred twenty degrees is formed between the swing frame and the conveying table.

Preferably, the wheel limiting mechanism comprises: the convex plate and the bullet shape board, the convex plate is inserted and connect in the spread groove, be provided with the bullet shape board between convex plate and the spread groove, the upper end of convex plate becomes the curved surface setting, convex plate and logical groove sliding connection.

Preferably, the elastic plate is an S-shaped elastic plate, the upper end of the elastic plate is welded with the convex plate, and the lower end of the elastic plate is welded with the bottom end of the connecting groove.

Preferably, the transmission mechanism comprises: backup pad, pinion rack, gear pole and motor, the side bilateral symmetry welding of concave plate has the backup pad, is provided with the pinion rack between two backup pads that bilateral symmetry distributes, pinion rack and fly leaf welding, the side meshing of pinion rack has the gear pole, the gear pole is connected through round pin pole and backup pad rotation, the side of backup pad is connected with the motor through fixed bolster, the output shaft of motor passes through round pin spare gear pole joint.

Preferably, the suction cup device comprises: according to press pole, sucking disc, annular plate, ring channel, spliced pole, air channel, stopper, annular stripper plate and sealing washer, the lower extreme bilateral symmetry welding of fly leaf has according to the pole, pass the notch plate according to the lower extreme of pole, be provided with the sucking disc according to the below of pole, the upper end welding of sucking disc has the annular plate, the ring channel has been seted up to the upper end of annular plate, sliding connection has the spliced pole in the annular plate, the air channel has been seted up to the side symmetry of spliced pole, the lower extreme bilateral symmetry welding of spliced pole has the stopper, the upper end welding of spliced pole has the annular stripper plate, the lower extreme of annular stripper plate is pasted and is had the sealing washer, the sealing washer is pegged graft with the ring channel, the upper end of spliced pole with press the pole welding.

Preferably, the alarm mechanism comprises: the alarm comprises a limiting rod, a positioning rod, a knocking block, a circular groove, a reset spring and an alarm, wherein the limiting rod is welded on the side face of a convex plate, the positioning rod is welded at the lower end of the inner side of the limiting rod, the knocking rod is rotatably connected to the side face of a movable plate through a pin rod, the knocking block is welded on the side face of the knocking rod, the circular groove is formed in the lower end of the knocking rod, the positioning rod is connected with the circular groove in an inserting mode, the reset spring is connected to the side face of the knocking rod in an inserting mode, one end of the reset spring is connected with the fixed block in an inserting mode, the fixed block is welded with the movable plate, a fixed plate which is obliquely arranged is welded on the side face of the movable plate, and the alarm is pasted on the side face of the fixed plate.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. when the automobile needs to be moved out or driven into the conveying table, the conveying table moves to the lowest end at the moment, the movable plate moves downwards through the transmission mechanism, the movable plate drives the wheel limiting mechanism to move downwards, and meanwhile, the movable plate drives the sucker device to move downwards, so that a sucker in the sucker device is extruded with the ground, negative pressure is formed, the sucker device is firmly adsorbed with the ground, the conveying table is fixed with the ground, the conveying table is prevented from shaking when the automobile moves on the conveying table, and the driving stability of the automobile is guaranteed;

2. by utilizing the arranged wheel limiting mechanism, the automobile drives into the conveying platform along the lap plate, when the front wheel of the automobile is contacted with the triangular plate, the automobile stops moving, at the moment, the automobile is stopped and stabilized, under the matching of the wheel limiting mechanism and the transmission mechanism, the upper end of the convex plate slides upwards along the through groove, the upper end of the convex plate extends upwards from the conveying platform, and the front wheel of the automobile is fixed through the matching of the convex plate and the triangular plate, so that the automobile is prevented from shaking when the conveying platform moves;

3. when the automobile is not stopped well and the wheel limiting mechanism moves upwards, the convex plate moves upwards and can be extruded with the wheels, when the transmission mechanism pushes the movable plate to continue moving upwards, the convex plate can want to move one end in the movable plate, at the moment, the convex plate drives the limiting rod to move downwards, the limiting rod drives the positioning rod to move out of the knocking rod, under the action of the elastic force of the reset spring, the knocking rod is enabled to rotate rapidly, the knocking rod drives the knocking block to rapidly press the alarm button of the alarm, the alarm is enabled to give an alarm, and therefore an operator is reminded that the automobile is not stopped well; when the automobile skids, the automobile wheels can extrude the convex plate to move downwards, and the alarm mechanism can also give an alarm to remind an operator of the phenomenon that the automobile skids and the like.

Drawings

FIG. 1 is a schematic view of a conveying carrier table according to the present invention;

FIG. 2 is a schematic view of the structure of the conveying table and the connecting mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of a conveying carrier table according to the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a schematic structural view of the concave plate, the movable plate, the wheel limiting mechanism and the sucking disc device of the present invention;

FIG. 7 is a schematic view of the alarm mechanism of the present invention;

fig. 8 is a schematic sectional view of the alarm mechanism of the present invention.

In the figure: 1. a conveying table; 11. a lap plate; 12. a through groove; 13. a set square; 2. a swing frame; 21. a rectangular block; 3. a connecting shaft; 31. a limiting ring; 32. a connecting plate; 4. a concave plate; 41. a groove; 5. a movable plate; 51. a slide plate; 52. connecting grooves; 53. a convex plate; 54. a spring-shaped plate; 55. a support plate; 56. a pressing lever; 57. opening the gap; 6. a toothed plate; 61. a gear lever; 62. a motor; 7. a suction cup; 71. a circular ring shaped plate; 72. an annular groove; 73. connecting columns; 74. a vent channel; 75. a limiting block; 76. an annular extrusion plate; 77. a seal ring; 8. a limiting rod; 81. positioning a rod; 9. a knock bar; 91. striking a block; 92. a circular groove; 93. a return spring; 94. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a wisdom parking is with carrying plummer, is including carrying platform 1, carries the one end welding of platform 1 to have overlap plate 11, and the upper end of overlap plate 11 becomes the domatic setting of slope, and the lower extreme and the ground platform contact of overlap plate 11, the car drives into along overlap plate 11 and carries in the platform 1, is that the car is more stable drives into and carries in the platform 1, and the lower extreme of overlap plate 11 can be opened and be equipped with anti-skidding line, increases the friction between overlap plate 11 and the ground platform.

Carry the last bilateral symmetry of platform 1 to have seted up logical groove 12, carry the upper end welding of platform 1 to have set-square 13, carry and be provided with coupling mechanism on the platform 1, coupling mechanism is including: swing span 2, rectangle piece 21, connecting axle 3, spacing ring 31 and connecting plate 32, the upper end front and back symmetry of carrying platform 1 is provided with swing span 2, and swing span 2 becomes the spill setting, and two lower extremes of swing span 2 pass through pin rod and carry the both sides swing joint of platform 1, and swing span 2 and carry and form one between the platform 1 for the contained angle of one hundred twenty degrees, can play the effect of power balance through setting up like this to guarantee to carry the stability of platform 1.

The welding of the inboard upper end of swing span 2 has rectangular block 21, be provided with connecting axle 3 between two swing spans 2 of front and back symmetric distribution, two rectangular block 21 settings are run through respectively at the both ends of connecting axle 3, and connecting axle 3 rotates with rectangular block 21 to be connected, the both ends symmetric welding of connecting axle 3 has spacing ring 31, spacing ring 31 is used for restricting swing span 2, prevent that swing span 2 from sliding around connecting axle 3, spacing ring 31 rotates with rectangular block 21 to be connected, the both ends of connecting axle 3 are rotated through the bearing and are connected with connecting plate 32, connecting plate 32 is used for being connected with wisdom parking equipment's transmission portion.

Conveying table 1's lower extreme bilateral symmetry welding has notch plate 4, and notch plate 4's inboard bilateral symmetry is seted up fluted 41, and sliding connection has movable plate 5 in notch plate 4, and the bilateral symmetry welding of movable plate 5 has slide 51, slide 51 and recess 41 sliding connection, and movable plate 5 drives slide 51 and moves from top to bottom along notch plate 4, carries out the restriction of position to movable plate 5 through slide 51.

The spread groove 52 has been seted up to the upper end of fly leaf 5, and the upper end of fly leaf 5 is provided with wheel stop gear, and wheel stop gear is including: convex plate 53 and bullet shape board 54, convex plate 53 is inserted in connecting groove 52, be provided with bullet shape board 54 between convex plate 53 and the connecting groove 52, bullet shape board 54 is the S-shaped bullet board, the upper end and the convex plate 53 welding of bullet shape board 54, the lower extreme and the bottom welding of connecting groove 52 of bullet shape board 54, the upper end of convex plate 53 becomes the curved surface setting, convex plate 53 and logical groove 12 sliding connection, bullet shape board 54 applys for elasticity to convex plate 53, after convex plate 53 receives external force to remove in the fly leaf 5, make convex plate 53 upward movement under the effect of bullet shape board 54 elasticity.

The side of fly leaf 5 is provided with drive mechanism, and drive mechanism is including: backup pad 55, pinion rack 6, gear pole 61 and motor 62, the side bilateral symmetry welding of concave plate 4 has backup pad 55, be provided with pinion rack 6 between two backup pads 55 that bilateral symmetry distributes, pinion rack 6 and the welding of fly leaf 5, the side meshing of pinion rack 6 has gear pole 61, gear pole 61 rotates with backup pad 55 through the pin rod to be connected, there is motor 62 side of backup pad 55 through fixed bolster connection, the output shaft of motor 62 passes through pin gear pole 61 joint, motor 62 is conventional servo motor, the output shaft of motor 62 passes through the bearing rotation with backup pad 55 and is connected.

The lower extreme bilateral symmetry of fly leaf 5 is provided with just the sucking disc device of dismantling, and the sucking disc device is including: the pressure bar 56, the sucking disc 7, circular annular plate 71, the annular groove 72, spliced pole 73, vent groove 74, the stopper 75, annular stripper plate 76 and sealing washer 77, the lower extreme bilateral symmetry welding of fly leaf 5 has pressure bar 56, the lower extreme of pressing bar 56 passes concave plate 4, the below of pressing bar 56 is provided with sucking disc 7, the upper end welding of sucking disc 7 has circular annular plate 71, annular plate 71's upper end has seted up annular groove 72, sliding connection has spliced pole 73 in circular annular plate 71, vent groove 74 has been seted up to spliced pole 73's side symmetry, the lower extreme bilateral symmetry welding of spliced pole 73 has stopper 75, the upper end welding of spliced pole 73 has annular stripper plate 76, the lower extreme of annular stripper plate 76 is pasted and is had sealing washer 77, sealing washer 77 pegs graft with annular groove 72, the upper end and the pressure bar 56 welding of spliced pole 73, sealing washer 77 can set up to the rubber packing ring.

One side that drive mechanism was kept away from to fly leaf 5 is provided with alarm mechanism, and alarm mechanism is including: gag lever post 8, locating lever 81, strike pole 9, hit and beat piece 91, circular recess 92, reset spring 93 and siren 94, the side welding of convex plate 53 has gag lever post 8, the inboard lower extreme welding of gag lever post 8 has locating lever 81, the side of fly leaf 5 is connected with through the pin rod rotation and strikes pole 9, the side welding of striking pole 9 has hits and beats piece 91, strike the lower extreme of pole 9 and seted up circular recess 92, locating lever 81 pegs graft with circular recess 92, it has reset spring 93 to peg graft in the side of striking pole 9, reset spring 93's one end is pegged graft with the fixed block, the fixed block welds with fly leaf 5, reset spring 93 is in compression state, reset spring 93 exerts as elasticity to striking pole 9.

The side welding of fly leaf 5 has the fixed plate of slope setting, and the side of fixed plate is pasted and is had siren 94, and opening 57 has been seted up to the upper end of fly leaf 5, and when gag lever post 8 moved down, the upper end of gag lever post 8 downstream can insert in opening 57, and gag lever post 8 is the pole that becomes C shape and set up, and siren 94 is inside to have the power certainly, need not external power supply.

The working principle is as follows: when the automobile needs to be moved out or driven into the conveying table 1, the gear rod 61 is driven by the motor 62 to rotate, the gear rod 61 drives the toothed plate 6 to move downwards, the toothed plate 6 drives the movable plate 5 to move downwards, the movable plate 5 drives the convex plate 53 to move downwards, when the upper end of the convex plate 53 in the wheel limiting mechanism is flush with the upper end of the through groove 12, the motor is stopped, the movable plate 5 drives the pressing rod 56 to move downwards, the pressing rod 56 drives the suction cup 7 to move downwards, when the suction cup 7 is in contact with the ground, the pressing rod 56 drives the connecting column 73 to move downwards along the circular annular plate 71, the connecting column 73 drives the annular extrusion plate 76 and the sealing ring 77 to move downwards, the sealing ring 77 is inserted into the annular groove 72 to seal the suction cup 7, at the moment, the pressing rod 56 continues to move downwards, the circular annular plate 71 drives the suction cup 7 to extrude with the ground, so that negative pressure is formed in the suction cup 7, make sucking disc 7 firmly adsorb together with ground to make and carry and fix between platform 1 and the ground, when preventing that the car from moving on carrying platform 1, make and carry platform 1 to rock, guarantee the stability that the car travel.

When an automobile drives into the conveying table 1 along the lapping plate 11, after a front wheel of the automobile contacts with the triangular plate 13, the automobile stops moving, at the moment, the automobile stops stably, the gear rod 61 is driven to rotate through the motor 62, the gear rod 61 drives the toothed plate 6 to move upwards, the toothed plate 6 drives the movable plate 5 to move upwards, the movable plate 5 drives the convex plate 53 to move upwards, the upper end of the convex plate 53 extends upwards from the conveying table 1, and the front wheel of the automobile is fixed through the matching of the convex plate 53 and the triangular plate 13, so that the automobile is prevented from shaking when the conveying table 1 moves; when the movable plate 5 moves upwards, the movable plate 5 drives the pressing rod 56 to move upwards, the pressing rod 56 drives the connecting column 73 to slide upwards along the circular ring-shaped plate 71, after the sealing ring 77 is moved out of the circular ring-shaped plate 71, the upper end of the vent groove 74 on the connecting column 73 extends out of the circular ring-shaped plate 71, so that external air is introduced into the suction cup 7, the internal pressure of the suction cup 7 is the same as the external pressure, and the suction cup 7 loosens the adsorption on the ground at the moment.

When the automobile is not stopped, the convex plate 53 moves upwards and can extrude the wheels, when the motor 62 continues to work, the movable plate 5 continues to move upwards, the convex plate 53 moves towards the movable plate 5, at the moment, the convex plate 53 drives the limiting rod 8 to move downwards, the limiting rod 8 drives the positioning rod 81 to move out of the knocking rod 9, the knocking rod 9 rotates rapidly under the action of the elastic force of the reset spring 93, the knocking rod 9 drives the knocking block 91 to press the alarm button of the alarm 94 rapidly, and the alarm 94 gives an alarm, so that an operator is reminded that the automobile is not stopped; when the automobile slips, the automobile wheels can extrude the convex plate 53 to move downwards, and the alarm mechanism can also give an alarm to remind an operator of the phenomenon that the automobile slips and the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.