CN115341793A

CN115341793A - Variable wheel base carrier

Info

Publication number: CN115341793A
Application number: CN202210622975.2A
Authority: CN
Inventors: 张建林
Original assignee: Ningbo Uyhang Intelligent Technology Co ltd
Current assignee: Ningbo Uyhang Intelligent Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-15

Abstract

The application discloses variable wheel base carrier includes: an undercarriage adapted to enter a bottom of a vehicle; the walking assembly is arranged on the underframe and is suitable for driving the carrier to walk on a horizontal plane; the telescopic assemblies are provided with two groups and are arranged at two ends of the underframe, and the two groups of telescopic assemblies are suitable for moving in opposite directions on a horizontal plane; the lifting assemblies are provided with two groups and are respectively arranged at the end parts of the two groups of telescopic assemblies, and the two groups of lifting assemblies are suitable for moving on a vertical plane in the same direction; the control system is suitable for controlling the walking assembly, the telescopic assembly and the lifting assembly to act; the device has the advantages of compact structure, strong applicability, convenient use and high carrying efficiency.

Description

Variable wheel base carrier

Technical Field

The application relates to the field of parking equipment, in particular to a vehicle carrier.

Background

In the parking equipment industry, the carrier is mainly bound with roadway carrying equipment (such as a transverse moving trolley, a roadway stacker and the like) and is used together to realize the front-back, left-right and four-direction movement of a vehicle in a roadway. The split wheel-clamping type carrier structure is generally adopted in the market at present, each vehicle body of the carrier is only responsible for two tires of a vehicle, the two vehicle bodies need to be coordinated in aspects of circuit, communication, electric gasification and the like, and the control logic is complex; when equipment breaks down, points needing to be found are more, equipment wiring is more when the equipment is replaced, secondary debugging is needed on site, and time and labor are consumed.

In addition, the types of the vehicles of the automobile are more, the wheelbases of the front wheels and the rear wheels are different, the split type carrying mode is time-consuming no matter whether the vehicle is only searched for the wheels or the front wheels and the rear wheels are searched for simultaneously, and once the position of the vehicle is not found accurately, the condition of damaging the automobile tires is easily caused.

Therefore, an urgent need exists in the art to improve the conventional automobile carrier to overcome the above-mentioned problems.

Disclosure of Invention

An object of this application is to provide an integral type, and compact structure, the suitability is strong, convenient to use, variable wheel base carrier that handling efficiency is high.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows: a variable wheelbase carrier comprising:

an undercarriage adapted to enter a vehicle underbody;

the walking assembly is arranged on the underframe and is suitable for driving the carrier to walk on a horizontal plane;

the telescopic assemblies are provided with two groups and are arranged at two ends of the underframe, and the two groups of telescopic assemblies are suitable for moving in opposite directions on a horizontal plane;

the lifting assemblies are provided with two groups and are respectively arranged at the end parts of the two groups of telescopic assemblies, and the two groups of lifting assemblies are suitable for moving on a vertical plane in the same direction;

the control system is suitable for controlling the walking assembly, the telescopic assembly and the lifting assembly to act; the vehicle travels to carrier top, just when the carrier is located between the front and back wheel, control system drives earlier two sets ofly flexible subassembly expandes to the fore-and-aft direction respectively to make two sets ofly around the lifting subassembly inserts simultaneously or successively the gap on wheel and ground, control system drives two sets ofly again the lifting subassembly upwards lifts simultaneously, and makes the wheel leaves ground, control system controls at last the walking subassembly action, thereby the transport the vehicle.

Further, flexible subassembly includes flexible power supply, link, guide bar and uide bushing, flexible power supply along the fore-and-aft direction set up in on the chassis, the link install in on the flexible power supply, the guide bar sets up along the fore-and-aft direction, guide bar one end is fixed set up in on the link, guide bar other end fixed connection the lifting subassembly, the uide bushing is along the fixed setting on the chassis of fore-and-aft direction, the guide bar pass and slide set up in the uide bushing, flexible power supply is suitable for the drive the guide bar seesaw.

Furthermore, two sets of flexible subassembly sharing one flexible power supply, the guide bar has two and the symmetry set up in flexible power supply both sides.

Further, the link is "nearly" style of calligraphy, the link opening orientation flexible power supply, flexible power supply butt joint the intermediate position of link, two the guide bar symmetry set up in the link both sides, just the link has the space of stepping down W on the fore-and-aft direction, the uide bushing is suitable for entering space of stepping down W and with the link is overlapped.

Further, the lifting subassembly includes fixing base, lifting power supply and lift seat, fixing base fixed connection the subassembly that stretches out and draws back, the lifting power supply along upper and lower direction set up in on the fixing base, the lift seat install in on the lifting power supply, the lifting power supply is suitable for the drive the up-and-down motion of lift seat.

Further, the lift seat is including the installation department that sets up between two parties in order to set up in the portion of inserting at both ends, the installation department is upwards protruding, just the lifting power supply is connected the installation department, the portion of inserting undercut just is the wedge structure, the portion of inserting is suitable for inserting the gap on wheel and ground.

Furthermore, the lifting height of the lifting seat relative to the fixed seat is H, and H is more than or equal to 0 and less than or equal to 100mm.

Further, control system is hydraulic control system, control system has the hydraulic pressure station, the hydraulic pressure station is set up in the chassis, the walking subassembly has the walking power supply, flexible subassembly has flexible power supply, the lifting subassembly has the lifting power supply, the walking power supply is hydraulic motor, flexible power supply with the lifting power supply is the hydraulic cylinder, hydraulic motor with the pneumatic cylinder all connects through hydraulic pressure pipeline the hydraulic pressure station.

Furthermore, the length of the base is L, the telescopic length of the telescopic assembly relative to the base is D, L +2D is more than or equal to 2000mm and less than or equal to 3600mm, and L is more than 2D.

Furthermore, the carrier is suitable for being applied to a three-dimensional parking garage, and the carrier is suitable for loading and unloading the car carrying plate.

Compared with the prior art, the beneficial effect of this application lies in:

(1) This application uses the chassis as basic frame, has designed the variable wheel base carrier of integral type, and compact structure itself is small, simple structure moreover, and the motion is reliable, has manufacturing cost and maintains the advantage that the success rate is low.

(2) This scheme has set up flexible subassembly, can adjust the distance between two lifting subassemblies for the vehicle of the different wheel base of adaptation guarantees its commonality.

(3) The carrier of this scheme still has automatic centering function, specific theory: when the carrier is not in the intermediate position of front and back wheel, the flexible subassembly of both sides extends simultaneously, can make the lifting subassembly of one side contact the wheel earlier, and flexible subassembly continues to extend, can promote the chassis and remove to the intermediate position, and the lifting subassembly of until the opposite side contacts another wheel, and the amount of expansion of two sets of flexible subassemblies this moment is the same, and the carrier must be in the intermediate position, guarantees the reliability and the security of follow-up lifting action. Because the carrier has the automatic centering function, the difficulty of stopping a driver is reduced, and the usability of the carrier is ensured.

(4) This scheme adopts and extends the transport scheme of lifting from the front between the rear wheel, has realized when extending from inside to outside centre gripping to the wheel, can be when guaranteeing the transport reliability, simplify the transport step, only need extend promptly, lifting, walking three steps, compare traditional double-layered wheeled carrier and saved solitary centre gripping step, have higher handling efficiency.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present application, and illustrates six directions, namely front, back, left, right, up and down;

FIG. 2 is a front view of a first embodiment according to the present application;

FIG. 3 is a top view of a first embodiment according to the present application;

FIG. 4 is a schematic perspective view of a trolley according to one embodiment of the application;

FIG. 5 is a top view of a lift mechanism according to one embodiment of the present application;

FIG. 6 is a partial front view of a lift mechanism according to one embodiment of the present application;

FIG. 7 is a partial front view of a lift mechanism and a vehicle loading board according to a first embodiment of the present application;

FIG. 8 is an enlarged view at A of FIG. 1 according to an embodiment of the present application;

FIG. 9 is a perspective view of a first embodiment of the present application in transit;

fig. 10 is a schematic view of the internal structure of a carrier according to an embodiment of the present application;

FIG. 11 is a flowchart illustrating operation of a carrier according to an embodiment of the present application;

FIG. 12 is a schematic view of a telescoping assembly according to an embodiment of the present application;

FIG. 13 is a schematic diagram of a lift assembly according to one embodiment of the present application;

FIG. 14 is a top view of a carrier as placed on a cart deck according to an embodiment of the present application;

fig. 15 is a schematic perspective view of a second embodiment according to the present application;

FIG. 16 is a top view of a second embodiment of the present application as applied to a curb parking scene;

FIG. 17 is a front view of a second embodiment according to the present application;

FIG. 18 is a block flow diagram of the operation of a parking charging complex in an embodiment according to the application.

In the figure: 1. a base frame; 11. a parking platform; 2. a track; 3. a hoisting device; 31. a translation mechanism; 311. a cross beam; 312. A translation leg; 32. a lifting mechanism; 321. hoisting a platform; 322. a lifting power source; 323. a reel; 324. a lifting rope; 325. a fixed pulley; 326. a movable pulley; 327. a guide wheel; 328. a guide rail; 33. a vehicle carrying board; 331. a steering section; 4. a carrier; 41. a chassis; 42. a walking assembly; 421. a walking power source; 43. a telescoping assembly; 431. a telescopic power source; 432. a connecting frame; 433. a guide rod; 434. a guide sleeve; 44. a lifting assembly; 441. a fixed seat; 442. a lifting power source; 443. a lifting seat; 4431. an installation part; 4432. an insertion portion; 45. a control system; 451. a hydraulic station; 10. a vehicle lane; 20. a non-motorized lane; 30. a motor vehicle auxiliary road; 40. a non-motor vehicle accessory lane; 100. a stereo garage; 101. a vehicle entrance and exit passage; 102. a passing area; 200. a vehicle; 201. a wheel; 300. an electric vehicle charging system; 400. a distributed energy storage system; 500. a solar power generation system; 600. the utility grid.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, on the premise of no conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on those shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and should not be construed as limiting the specific scope of protection of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 to 14, a stereo parking garage 100 according to a first embodiment of the present application includes:

the parking device comprises base frames 1, wherein the base frames 1 are distributed in two groups from left to right, each group of base frames 1 is provided with a plurality of layers of parking platforms 11 along the up-down direction, and each group of base frames 1 is provided with a plurality of rows of parking platforms 11 along the front-back direction;

two groups of rails 2 are arranged on the rails 2 and are respectively fixedly arranged at the tops of the two groups of base frames 1, and the rails 2 extend along the front-back direction;

the lifting device 3 comprises a translation mechanism 31, a lifting mechanism 32 and a vehicle carrying plate 33, wherein the translation mechanism 31 is arranged on the track 2 and is suitable for driving the lifting device 3 to move in the front-back direction, the lifting mechanism 32 is arranged on the translation mechanism 31, the vehicle carrying plate 33 is arranged on the lifting mechanism 32, and the lifting mechanism 32 is suitable for driving the vehicle carrying plate 33 to move in the up-down direction;

and the carrier 4 is suitable for carrying the vehicle 200 to load and unload the vehicle board, and the vehicle 200 is transferred between the parking platform 11 and the vehicle board 33.

As shown in fig. 1 to 3, the base frame 1 and the vehicle carrying board 33 of the first embodiment are distributed in the transverse direction (i.e., the long side faces the left-right direction), and the vehicle 200 is suitable for moving the vehicle carrying board 33 in the left-right direction. As shown in fig. 1, a parking platform 11 at the lowest floor of the pedestal 1 can be used as a parking entrance to facilitate the entrance and exit of a vehicle 200 into and out of the stereo garage 100; as shown in fig. 3, the length of the track 2 may be increased to allow the vehicle 200 to enter the base frame 1 at the front side or the rear side.

As shown in fig. 4, the translation mechanism 31 includes a cross beam 311 and translation legs 312, the cross beam 311 spans the base frames 1 on both sides, the translation legs 312 have two and are disposed on both left and right sides of the cross beam 311, and the translation legs 312 are adapted to travel on the rails 2. The linear driving mechanism formed between the translation foot 312 and the track 2 can adopt the existing structure, so the specific structure of the two is not described in detail, but the technical characteristics of which the cost is implicit in the application are not hindered.

As shown in fig. 4, the lifting mechanism 32 includes a lifting platform 321, a lifting power source 322, a winding drum 323 and a lifting rope 324, the lifting platform 321 is fixedly disposed on the beam 311 of the translation mechanism 31, the lifting power source 322 is fixedly disposed on the lifting platform 321, the lifting power source 322 is adapted to drive the winding drum 323 to rotate, one end of the lifting rope 324 is wound on the winding drum 323, the other end of the lifting rope 324 is connected to the vehicle carrying board 33, the lifting rope 324 extends in the up-down direction, and the lifting power source 322 is adapted to drive the vehicle carrying board 33 to lift through the matching of the winding drum 323 and the lifting rope 324. This embodiment has adopted flexible hoist, can simplify the structure on the one hand, and convenient equipment, reduce cost, on the other hand can improve equipment's suitability.

On the basis, as can be seen from fig. 4 to 7, the lifting mechanism 32 further includes a fixed pulley 325 disposed on the lifting platform 321 and a movable pulley 326 disposed on the car carrying board 33, and the other end of the lifting rope 324 is wound around the fixed pulley 325 and the movable pulley 326 and is fixedly disposed on the lifting platform 321. As shown in fig. 7, the fixed pulley 325 and the movable pulley 326 constitute a labor-saving pulley block, and the power of the lifting power source 322 can be halved under the condition of a certain lifting weight, so that the cost is reduced. In addition, by wrapping the crown block 325 and the traveling block 326, the load-bearing lift cord 324 becomes doubled, further increasing its load-bearing capacity, ensuring safety and reliability of start-up.

Further, as shown in fig. 5 and 6, two lifting ropes 324 are connected to the same drum 323, the drum 323 is adapted to drive the two lifting ropes 324 to move synchronously, and two sets of corresponding fixed pulleys 325 and movable pulleys 326 are provided and distributed on two sides of the drum 323; still further, two winding drums 323 are installed on the same lifting power source 322, two lifting ropes 324 are connected to each winding drum 323, and four groups of corresponding fixed pulleys 325 and movable pulleys 326 are arranged in a rectangular shape. The arrangement of four lift cords 324 and four sets of fixed and

movable pulleys

325, 326 provides the following benefits: (1) The power setting is simplified, and the utilization rate of the lifting power source 322 is increased, so that the cost is reduced; (2) increasing the load bearing capacity of the lifting mechanism 32; (3) the stability of the car carrying plate 33 during lifting is ensured; (4) When one of the lift cords 324 is broken, or when two of the lift cords 324 at opposite corners are broken, the lift mechanism 32 can still lift normally, further increasing the reliability and safety of the operation of the lift mechanism 32.

In order to make the lifting more stable, the lifting mechanism 32 is further provided with guide wheels 327 and guide rails 328, the guide wheels 327 are rotatably arranged at four corners of the left end and the right end of the vehicle carrying board 33, the guide rails 328 are arranged on the base frame 1 along the up-down direction, the guide rails 328 are provided with a plurality of rows of parking platforms 11, when the vehicle carrying board 33 moves along the up-down direction, the guide wheels 327 are suitable for rolling along the guide rails 328, and the guide rails 328 and the guide wheels 327 are matched to limit the displacement of the vehicle carrying board 33 in the horizontal direction; the guide rail 328 has a void at its lower end through which the guide wheel 327 is adapted to pass, and the vehicle carrying board 33 is adapted to move in the front-rear direction at the bottom. That is, when the vehicle carrying board 33 carries the vehicle 200, the vehicle carrying board firstly moves back and forth at the lowest position, moves to the position below the empty parking platform 11, and then moves up and down along the guide rail 328 until reaching the corresponding parking platform 11.

As shown in fig. 14, the vehicle carrying board 33 includes a turning portion 331, and the turning portion 331 is adapted to receive the carrier 4 by turning, or the carrier 4 is adapted to turn when it travels to the turning portion 331. The provision of the steering portion 331 makes the direction of entry and exit to and from the vehicle 200 more flexible.

As shown in fig. 9 to 13, the present application further focuses on designing and improving the carrier 4, and the specific structure includes:

a bottom frame 41, wherein the bottom frame 41 is suitable for entering the bottom of the vehicle 200, namely the thickness of the bottom frame 41 cannot be too large;

a traveling unit 42, the traveling unit 42 being provided on the base frame 41 and adapted to drive the carrier 4 to travel on a horizontal plane; the running assembly 42, which is usually of a wheeled or tracked construction and can also be provided with a steering function, is not described in detail in the present embodiment, but does not hinder the technical features whose cost is implicit to the application.

The telescopic assemblies 43 are provided with two groups and are arranged at two ends of the bottom frame 41, and the two groups of telescopic assemblies 43 are suitable for moving in the opposite direction on a horizontal plane;

the lifting assemblies 44 are provided with two groups of lifting assemblies 44 and are respectively arranged at the ends of the two groups of telescopic assemblies 43, and the two groups of lifting assemblies 44 are suitable for moving on a vertical plane in the same direction;

a control system 45, wherein the control system 45 is suitable for controlling the actions of the walking assembly 42, the telescopic assembly 43 and the lifting assembly 44; as shown in fig. 11, when the vehicle 200 travels above the carrier 4 and the carrier is located between the front and rear wheels 201, the control system 45 drives the two sets of telescopic assemblies 43 to respectively expand in the front and rear directions, and the two sets of lifting assemblies 44 are inserted into gaps between the front and rear wheels 201 and the ground simultaneously or sequentially, the control system 45 drives the two sets of lifting assemblies 44 to simultaneously lift upwards, and the wheels 201 leave the ground, and the control system 45 finally controls the traveling assembly 42 to move, so as to carry the vehicle.

The carrier 4 has the following beneficial effects: (1) In the embodiment, the chassis 41 is used as a basic frame, and the integrated carrier 4 with the variable wheelbase is designed, so that the structure is compact, the volume is small, the structure is simple, the movement is reliable, and the integrated carrier has the advantages of low manufacturing cost and low maintenance cost; (2) The telescopic assembly 43 is arranged in the embodiment, so that the distance between the two lifting assemblies 44 can be adjusted, the telescopic assembly is used for adapting to vehicles 200 with different wheelbases, and the universality of the telescopic assembly is ensured; (3) The carrier 4 of the present embodiment also has an automatic centering function, specifically: when the carrier 4 is not located in the middle position of the front wheels 201 and the rear wheels 201, the telescopic assemblies 43 on the two sides extend simultaneously, so that the lifting assembly 44 on one side contacts the wheels 201 first, the telescopic assemblies 43 continue to extend, the chassis 41 is pushed to move to the middle position, until the lifting assembly 44 on the other side contacts the other wheels 201, the telescopic amounts of the two groups of telescopic assemblies 43 are the same, the carrier 4 is necessarily located in the middle position, and the reliability and the safety of subsequent lifting actions are ensured; in addition, the telescopic assemblies 43 on the two sides act against the wheels 201, so that the carrier 4 has a deviation rectifying function; because the carrier has the automatic centering function and the deviation rectifying function, the difficulty of parking of a driver is reduced, and the usability of the carrier 4 is ensured; (4) This embodiment adopts and extends the transport scheme of lifting from between front and back wheel 201, has realized the centre gripping from inside to outside to wheel 201 when extending, can be when guaranteeing the transport reliability, simplifies the transport step, only need extend, lifting, walking three steps promptly, compares traditional clamp wheel formula carrier and has saved solitary centre gripping step, has higher handling efficiency.

As shown in fig. 12, the telescopic assembly 43 includes a telescopic power source 431, a connecting frame 432, a guide rod 433 and a guide sleeve 434, wherein the telescopic power source 431 is arranged on the bottom frame 41 along the front-back direction, the connecting frame 432 is installed on the telescopic power source 431, the guide rod 433 is arranged along the front-back direction, one end of the guide rod 433 is fixedly arranged on the connecting frame 432, the other end of the guide rod 433 is fixedly connected with the lifting assembly 44, the guide sleeve 434 is fixedly arranged on the bottom frame 41 along the front-back direction, the guide rod 433 penetrates through and is slidably arranged in the guide sleeve 434, and the telescopic power source 431 is adapted to drive the guide rod 433 to move back and forth. Further, as shown in fig. 10, two sets of telescopic assemblies 43 share one telescopic power source 431, and two guide rods 433 are symmetrically disposed on two sides of the telescopic power source 431.

In order to fully utilize the internal space of the bottom frame 41 and give way to the guide sleeve 434, as shown in fig. 13, the connecting frame 432 is designed in a shape of a Chinese character ji, the opening of the connecting frame 432 faces the telescopic power source 431, the telescopic power source 431 is in butt joint with the middle position of the connecting frame 432, two guide rods 433 are symmetrically arranged at two sides of the connecting frame 432, the connecting frame 432 is provided with a giving-way space W in the front-back direction, and the guide sleeve 434 is suitable for entering the giving-way space W and overlapping with the connecting frame 432.

As shown in fig. 13, the lifting assembly 44 includes a fixing base 441, a lifting power source 442 and a lifting base 443, the fixing base 441 is fixedly connected to the retractable assembly 43, the lifting power source 442 is disposed on the fixing base 441 in an up-down direction, the lifting base 443 is mounted on the lifting power source 442, and the lifting power source 442 is adapted to drive the lifting base 443 to move up and down. Further, the lifting seat 443 includes a mounting portion 4431 disposed at the center and an inserting portion 4432 disposed at both ends, the mounting portion 4431 protrudes upward, and the lifting power source 442 is connected to the mounting portion 4431, the inserting portion 4432 is recessed downward and has a wedge-shaped structure, and the inserting portion 4432 is adapted to be inserted into a gap between the wheel 201 and the ground. The lifting height of the lifting seat 443 relative to the fixed seat 441 is H, wherein H is more than or equal to 0 and less than or equal to 100mm; the lifting height H is sufficient to ensure that the wheels 201 can lift off the ground, and is more preferably 0 to 30mm.

As shown in FIG. 10, the length of the chassis 41 is L, the telescopic length of the telescopic assembly 43 relative to the chassis 41 is D,2000mm L +2D 3600mm, L > 2D. The value of L +2D corresponds to the wheel base of the vehicle 200, i.e. the carrier 4 of the present embodiment can be applied to the vehicle 200 with the wheel base of 2000mm to 3600mm, and basically meets the use requirements of all commonly used automobiles. This embodiment is further preferred with L =2100m, d in the range 0-700 mm, which fits the vehicle 200 with a wheel base of 2100-3500 mm.

Further, the control system 45 is a hydraulic control system, the control system 45 is provided with a hydraulic station 451, the hydraulic station 451 is arranged in the bottom frame 41, the walking assembly 42 is provided with a walking power source 421, the walking power source 421 is a hydraulic motor, the telescopic power source 431 and the lifting power source 442 are hydraulic cylinders, and the hydraulic motor and the hydraulic cylinders are both connected with the hydraulic station 451 through hydraulic pipelines. The hydraulic control system is simple and reliable and has low cost.

As shown in fig. 15 to 17, the second embodiment of the present application is the second embodiment, and the greatest difference between the second embodiment and the first embodiment is that the base frame 1 and the vehicle carrying board 33 of the second embodiment are distributed along the longitudinal direction (i.e., the long sides face the front-back direction), and of course, the lifting device 3 will be adapted to a certain size, but the main structure is still the same.

From the top view, the stereo parking garage 100 of the first embodiment is of a relatively square structure, and is suitable for being used as a special parking lot in fixed places such as hotels and shopping malls; the stereo parking garage 100 of the second embodiment is a strip structure, and is suitable for being used as a roadside parking lot.

As shown in fig. 16 and 17, the second embodiment is a scenario used as a roadside parking lot, in which a stereo parking garage 100 is parallel to a vehicle lane 10 and a non-vehicle lane 20, a vehicle auxiliary lane 30 extends from the vehicle lane 10 and is connected to a vehicle entrance/exit passage 101 of the stereo parking garage 100, and a non-vehicle auxiliary lane 40 also extends from the non-vehicle lane 20, at this time, the lowest layer of a pedestal 1 on one side of the stereo parking garage 100 can be completely overhead to form a passing area 102, and the non-vehicle auxiliary lane 40 passes through the passing area 102; of course, the base frame 1 on the other side can also be erected for use as a sidewalk or other places and can be arranged as required. Through the arrangement of the structure, the required field width of the roadside parking lot can be greatly reduced, and the utilization rate of the land is improved.

It should be mentioned that, in the second embodiment, a spare lifting device 3 is further provided (i.e. the double lifting devices 3 are provided), so that the efficiency of entering and exiting the vehicle can be improved.

As shown in fig. 18, the present application further provides a parking charging complex, which includes a stereo parking garage 100, and an electric vehicle charging system 300, a distributed energy storage system 400, and a solar power generation system 500, and can provide charging service for electric vehicles. The electric vehicle charging system 300 is adapted to charge the electric vehicle 200 parked on the parking platform 11; the distributed energy storage system 400 is adapted to power the electric vehicle charging system 300; the solar power generation system 500 and the utility grid 600 are respectively connected with the distributed energy storage system 400, the solar power generation system 500 is suitable for charging the distributed energy storage system 400 in a solar energy mode, and the utility grid 600 is suitable for charging the distributed energy storage system 400 in a valley power mode, a flat power mode and a peak power mode; and the distributed energy storage system 400 is charged in the preferred sequence of P1 solar energy, P2 valley electricity, P3 flat electricity and P4 peak electricity. Preferably, the distributed energy storage system 400 and the solar power generation system 500 may be disposed on top of the base frame 1.

In the concrete implementation, suppose ten electric automobile that once charge simultaneously, then electric vehicle charging system 300 generally need set up the transformer of 1000kVA above power, and this application owing to set up distributed energy storage system 400, can utilize solar energy, millet electricity to charge it when the system is idle, can satisfy the vary voltage demand as long as 250 kVA's transformer through this technique, can alleviate the grid pressure greatly. Simultaneously, because the price of the valley electricity is lower, the operation and maintenance cost of the parking charging complex can be greatly reduced.

The foregoing has described the principles, principal features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are intended as illustrations of the principles of the application, and that various changes and modifications can be made without departing from the spirit and scope of the application, and the scope of the application is to be protected. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. A variable wheelbase carrier comprising:

an undercarriage adapted to enter a vehicle underbody;

the two groups of telescopic assemblies are arranged at two ends of the underframe and are suitable for moving in opposite directions on a horizontal plane;

a control system adapted to control the motion of the walking assembly, the telescoping assembly and the lifting assembly; the vehicle goes the carrier top, just when the carrier is located between the front and back wheel, control system forever moves two sets ofly flexible subassembly expandes to the fore-and-aft direction respectively to make two sets ofly the lifting subassembly inserts simultaneously or successively the front and back the gap of wheel and ground, control system redriven is two sets of the lifting subassembly upwards lifts simultaneously, and makes the wheel leaves ground, control system controls at last the walking subassembly action, thereby the transport the vehicle.

2. A variable wheelbase carrier according to claim 1 wherein: the telescopic assembly comprises a telescopic power source, a connecting frame, a guide rod and a guide sleeve, the telescopic power source is arranged on the bottom frame along the front-back direction, the connecting frame is arranged on the telescopic power source, the guide rod is arranged along the front-back direction, one end of the guide rod is fixedly arranged on the connecting frame, the other end of the guide rod is fixedly connected with the lifting assembly, the guide sleeve is fixedly arranged on the bottom frame along the front-back direction, the guide rod penetrates through the guide sleeve and is slidably arranged in the guide sleeve, and the telescopic power source is suitable for driving the guide rod to move back and forth.

3. A variable wheelbase carrier according to claim 2 wherein: two sets of flexible subassembly sharing one flexible power supply, the guide bar has two and symmetry set up in flexible power supply both sides.

4. A variable wheelbase carrier according to claim 3 wherein: the link is "nearly" style of calligraphy, the link opening orientation flexible power supply, flexible power supply butt joint the intermediate position of link, two the guide bar symmetry set up in the link both sides, just the link has the space of stepping down W on the front and back direction, the uide bushing is suitable for the entering the space of stepping down W and with the link overlaps.

5. A variable wheelbase carrier according to claim 1 wherein: the lifting assembly comprises a fixing seat, a lifting power source and a lifting seat, the fixing seat is fixedly connected with the telescopic assembly, the lifting power source is arranged on the fixing seat along the upper direction and the lower direction, the lifting seat is arranged on the lifting power source, and the lifting power source is suitable for driving the lifting seat to move up and down.

6. The variable wheelbase carrier of claim 5, wherein: the seat that goes up and down is including the installation department that sets up between two parties in order to set up in the portion of inserting at both ends, the installation department is upwards protruding, just the lifting power supply is connected the installation department, the portion of inserting undercut just is the wedge structure, the portion of inserting is suitable for to insert the gap on wheel and ground.

7. The variable wheelbase carrier of claim 5 wherein: the lifting height of the lifting seat relative to the fixed seat is H, and H is more than or equal to 0 and less than or equal to 100mm.

8. The variable wheelbase carrier of claim 1, wherein: the control system is hydraulic control system, control system has the hydraulic pressure station, the hydraulic pressure station set up in the chassis, the walking subassembly has the walking power supply, flexible subassembly has flexible power supply, the lifting subassembly has the lifting power supply, the walking power supply is hydraulic motor, flexible power supply with the lifting power supply is the pneumatic cylinder, hydraulic motor with the pneumatic cylinder all connects through hydraulic pressure pipeline the hydraulic pressure station.

9. The variable wheelbase carrier of claim 1, wherein: the length of the base is L, the telescopic length of the telescopic assembly relative to the base is D, L +2D is more than or equal to 2000mm and less than or equal to 3600mm, and L is more than 2D.

10. The variable wheelbase carrier of claim 1, wherein: the carrier is suitable for being applied to a three-dimensional parking garage, and the carrier is suitable for loading and unloading the vehicle carrying plate.