CN112681844B

CN112681844B - Multi-layer three-dimensional parking system

Info

Publication number: CN112681844B
Application number: CN202011564503.3A
Authority: CN
Inventors: 杨德华; 陶永刚; 刘东宇
Original assignee: Wuhan Shenhuajun Construction Engineering Co ltd
Current assignee: Wuhan Shenhuajun Construction Engineering Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-05-13
Anticipated expiration: 2040-12-25
Also published as: CN112681844A

Abstract

The invention relates to a multi-layer three-dimensional parking system, and relates to the technical field of parking devices. It comprises a multilayer parking platform and a supporting mechanism; the two sides of each of the multiple layers of parking platforms are connected with crawling ladders, and each layer of parking platform is connected with an upper car ramp and a lower car ramp; the parking unit comprises a support assembly and a unit platform, the support assembly is composed of four steel structure columns which are arranged at intervals and form a rectangular structure, the unit platform comprises a horizontal net rack and a parking plate, and the parking plate is arranged on the horizontal net rack; the supporting mechanism is assembled by a plurality of supporting components and is formed, and supporting component one end is inserted to the road surface of going on a bus, and the other end is connected with horizontal rack, is equipped with parking area and the district of crossing the car on the parking board top, and horizontal rack bottom is connected with the support rack, and the lateral wall that supports rack and steel structure post is connected. This application not only simple to operate, the parking stall is a lot more, it is more convenient to park, and manufacturing cost is lower moreover, structural stability is higher.

Description

Multi-layer three-dimensional parking system

Technical Field

The invention relates to the technical field of parking devices, in particular to a multi-layer three-dimensional parking system.

Background

Along with the rapid development of urbanization and motorization, the 'difficult parking and inconvenient parking' becomes one of the major problems facing and needing to be dealt with in various cities at home and abroad.

Aiming at the problems of difficult parking and inconvenient parking, at present, people usually have the following treatment modes:

1. the method is characterized in that a parking lot (also called a parking mechanical garage or a parking building) specially used for parking is built in a city area, although a large number of vehicles can be parked in the special and newly built parking lot (parking mechanical garage), and the automation and intelligence degree of some parking lots (parking mechanical garages) are higher, the special and newly built parking lot (parking mechanical garage) is usually required to be specially built with a building for parking when being built, so that the parking lot is higher in both land use cost and construction cost and difficult to popularize, and when people use the parking lot, the vehicles are required to be driven to the position of the special parking lot (parking mechanical garage) to park, and the parking lot is very inconvenient to use, so that the newly built special parking lot is not popularized, and the problems of difficulty and inconvenience in parking cannot be solved;

2. the parking lot with the building is mainly used for solving the parking requirements of the shopping mall and the office building, the number of parking spaces is limited, and the problems of difficult parking and inconvenient parking can be relieved to a certain extent;

3. although the temporary parking space is defined on the road driving road surface, the temporary parking space is convenient to use (park), but the number of the temporary parking space for parking is limited, and the temporary parking space is one of important reasons for difficult parking and road congestion, so that the temporary parking space cannot solve the problems of difficult parking and inconvenient parking.

In summary, there is no parking system (parking lot) with low construction cost, large number of parking spaces and convenient parking.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a multi-layer three-dimensional parking system which is convenient to install, more in parking spaces and convenient to park, and has lower manufacturing cost and higher structural stability.

The above object of the present invention is achieved by the following technical solutions:

a multi-layer three-dimensional parking system comprises a plurality of layers of parking platforms arranged on a road driving pavement and a supporting mechanism used for supporting the parking platforms;

the two sides of the multiple layers of parking platforms are connected with crawling ladders which extend onto a road traffic road surface and are used for pedestrians to walk, and each layer of parking platform is connected with an entering ramp and a leaving ramp which extend onto the next layer of parking platform or the road traffic road surface;

the parking platform is formed by assembling a plurality of parking units which are adjacently arranged, each parking unit comprises a support assembly and a unit platform, each unit platform comprises a horizontal net rack and a parking plate, and the parking plates are arranged on the horizontal net racks;

the supporting mechanism is assembled by a plurality of supporting components and is formed, the supporting component is arranged by four intervals and constitutes the steel structure post of rectangle structure and constitutes, and steel structure post one end inserts to the driving road in, the other end with horizontal rack connects, horizontal rack bottom is connected with the support rack, the lateral wall that supports rack and steel structure post is connected.

By adopting the technical scheme, the parking platform can be formed by assembling the parking units, and the supporting mechanism is mainly composed of a plurality of steel structure columns, so that the parking platform can be formed only by assembling and welding, and is very convenient to install; meanwhile, when the parking platform is manufactured and installed, the parking platform can be directly installed on a road, a municipal department does not need to plan a construction land again, and a new building (concrete) is not needed, so that vehicles on the road automatically run to the parking platform to park as required, and the parking platform is low in manufacturing cost and convenient to use; then, because the present application does not affect the existing traffic after the installation is finished, and can be directly installed on the road, because people can set the length of the parking platform along the length of the road according to the needs, and also can set the number of layers of the parking platform according to the needs, the present application can set more parking spaces (such as more than 200); finally, because this application uses current, the higher steelframe of self structural strength (including horizontal rack and support rack) as main support piece and bearing member to let people place the vehicle on unit platform, consequently, this application's structural stability is higher.

Optionally, both sides of the parking platform are connected with elevators which extend to the road surface of the traveling crane and are used for pedestrians to walk.

Through adopting above-mentioned technical scheme, the elevator can let the passerby get off from parking platform more conveniently, and like this, this application is used more conveniently.

Optionally, both sides of the getting-on ramp and both sides of the getting-off ramp are connected with pedestrian passageways for pedestrians to walk.

Through adopting above-mentioned technical scheme, people can walk in the pedestrian passageway in last ramp both sides and get off the bus ramp both sides to it is more convenient to let this application use.

Optionally, all be equipped with two ramps of getting on the bus and two ramps of getting off on every layer of parking platform, two the ramp of getting on the bus and two the ramp of getting off all arranges along the driving direction of road, and all with the driving road surface links up.

Through adopting above-mentioned technical scheme, the vehicle can be directly by the driving road surface on the road go to parking platform on, also can be directly by parking platform go to the driving road surface on the road on, like this, this application use can be more convenient.

Optionally, the parking device further comprises a driving tunnel, wherein the driving tunnel is located right below the parking platform, one end of the driving tunnel is connected with a road driving road surface, and the other end of the driving tunnel is connected with an getting-on ramp or a getting-off ramp of the parking platform located at the bottom layer.

Through adopting above-mentioned technical scheme, under the effect in driving tunnel, this application can suitably reduce the distance between the parking platform and the ground of bottom, and like this, this application uses can be more convenient, and structural stability can be higher.

Optionally, the steel structure post bottom is connected with and is used for preventing the vehicle from hitting the anticollision notice board on the steel structure post.

Through adopting above-mentioned technical scheme, the anticollision notice board can prevent that the vehicle from colliding the steel structure post on to let the structural stability of this application higher.

Optionally, the side wall of the steel structure column is connected with a plurality of supporting net racks, and an included angle between two adjacent supporting net racks is 90 degrees or 180 degrees.

Through adopting above-mentioned technical scheme, this application can be more firm, will support the rack faster and install on the steel constructs the post, like this, this application construction is more convenient, and the structure is more stable.

Optionally, the distance between two adjacent layers of parking platforms is 2-3 m, and the distance between the parking platform located at the lowest position and the ground is 2-5 m.

Through adopting above-mentioned technical scheme, all can place the vehicle on every layer of horizontal rack, like this, the vehicle of more quantity can be parked to this application.

Optionally, the horizontal net rack is connected with a plurality of vertically arranged support plates, and the parking plate is installed on the support plates.

Through adopting above-mentioned technical scheme, the backup pad can play certain transition effect, makes things convenient for people to install the parking board.

Optionally, the parking platform includes two parking platforms symmetrically arranged, each parking platform includes two end parking platforms and at least one middle parking platform, and the middle parking platform is located between the two end parking platforms.

By adopting the technical scheme, the arrangement of the parking platform is also completed, and people can set the length and the number of the parking platforms according to needs.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the parking device is convenient to install, more in parking spaces and convenient to park, and is lower in manufacturing cost and higher in structural stability;

2. the space of this application make full use of urban road can directly build the road to the road on, can not let the road form to block up, only 1500 square meters's road space can realize two hundred parking stalls. The investment cost of the system is only half of that of the mechanical warehouse, the operation and maintenance cost is less than one fourth of that of the mechanical warehouse, and the market competitiveness is obvious.

Drawings

FIG. 1 is a schematic structural diagram of a multistory parking system according to the present invention;

FIG. 2 is a schematic view of a single parking unit in a top view;

FIG. 3 is a schematic view of the structure of FIG. 2 in a right-hand direction;

FIG. 4 is a schematic view showing a connection structure of a steel post, a horizontal net frame and a support net frame;

FIG. 5 is a schematic illustration of the connection of the steel column locating assemblies, steel columns and connecting nodes;

fig. 6 is a schematic view of a connection structure of the man way and the get-off ramp.

Reference numerals: 1. a parking platform; 11. a parking unit; 12. a unit platform; 13. a parking plate; 14. a rigid base plate; 15. prefabricating a concrete slab; 16. a support plate; 17. a parking platform; 18. an end parking platform; 19. a middle parking platform; 2. a support mechanism; 31. climbing a ladder; 32. a boarding ramp; 33. a get-off ramp; 34. an elevator; 36. a pedestrian passageway; 4. a support assembly; 41. steel structure columns; 42. a horizontal net rack; 421. connecting the nodes; 43. a support net rack; 431. a transverse net rack; 432. a longitudinal net frame; 44. an anti-collision notice board; 45. a flange plate; 46. a steel column positioning component; 461. positioning seats; 462. positioning a groove; 463. a node locator; 464. a wing plate; 465. positioning the bolt; 466. a limiting groove; 47. an accommodating space.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the present application provides a multi-deck three-dimensional parking system, which comprises a plurality of parking platforms 1 mounted on the road surface of a vehicle, and a support mechanism 2 for supporting the parking platforms 1. The multi-layer three-dimensional parking system can be directly arranged on a road driving road surface, is convenient to install, has more parking spaces, is convenient to park, and is lower in manufacturing cost and higher in structural stability.

As shown in fig. 1, ladder stands 31 extending to the road surface for pedestrians to walk are connected to both sides of the multi-deck parking platform 1, so that people can get off the parking platform 1. The distance between two adjacent layers of parking platforms 1 is 2-3 m, and the distance between the parking platform 1 located at the lowest position and the ground is 2-5 m. Preferably, both sides of the parking platform 1 are connected with elevators 34 which extend to the road surface of the traveling crane and are used for pedestrians to walk, so that the parking platform is more convenient to use. Further, a driving tunnel (not shown in the figure) is further arranged right below the parking platform 1, one end of the driving tunnel is connected with a road driving road surface, and the other end of the driving tunnel is connected with an upper vehicle ramp 32 or a lower vehicle ramp 33 of the parking platform 1 located at the bottom layer, so that the distance between the parking platform 1 at the bottom layer and the ground can be properly reduced.

As shown in fig. 1, each parking platform 1 is connected with an upper ramp 32 and a lower ramp 33 extending to the next parking platform 1 or the road surface for vehicles to get on or off the parking platform 1. Preferably, pedestrian passageways 36 for pedestrians are connected to both sides of the getting-on ramp 32 and both sides of the getting-off ramp 33, so that the application is more convenient to use. Further, all be equipped with two ramp 32 of getting on the bus and two ramp 33 of getting off on every layer of parking platform 1, two ramp 32 of getting on the bus and two ramp 33 of getting off all arrange along the driving direction on road, and all link up with driving road surface to let the vehicle can directly drive to parking platform 1 by driving road surface on the road on, also can directly drive to driving road surface on the road by parking platform 1 on.

As shown in fig. 1, the parking platform 1 includes two symmetrically arranged parking platforms 17, each parking platform 17 includes two end parking platforms 18 and at least one middle parking platform 19, and the middle parking platform 19 is located between the two end parking platforms 18. In actual work, people can set the number of the parking platforms 17 according to own needs, and can also set the length of the parking platforms 17 according to own needs.

As shown in fig. 2, the parking unit 11 includes a support assembly 4 and a unit platform 12, the unit platform 12 has multiple layers, the distance between the unit platform 12 at the bottom end and the ground is 2-5m (preferably 3 m), the unit platform 12 is mainly used for placing vehicles, the support assembly 4 is composed of four steel columns 41 which are arranged at intervals and form a rectangular structure, and the support assembly is mainly used for supporting the unit platform 12.

As shown in fig. 2 and 3, the unit platform 12 is a cuboid structure as a whole, the unit platform 12 includes a horizontal grid 42 and a parking plate 13, the parking plate 13 is installed on the horizontal grid 42, a vehicle can be parked on the parking plate 13, preferably, parking areas for parking are arranged on two sides of the top end of the parking plate 13, parking spaces for parking are arranged on the parking areas, and a passing area for the vehicle to pass through is arranged in the middle of the top end of the parking plate 13.

During actual operation, this application only need insert steel structure post 41 earlier to the road surface soil layer of road in, connect prefabricated horizontal rack 42 and support rack 43 on steel structure post 41 again, then can accomplish the installation of parking unit at horizontal rack 42 last shop dress parking board 13.

As shown in fig. 2, people can set the number of the supporting net racks 43 according to actual needs, that is, only one supporting net rack 43 can be connected to the side wall of the steel structure column 41, and also can connect a plurality of supporting net racks 43, and when the steel structure column 41 is connected with a plurality of supporting net racks 43, the included angle between two adjacent supporting net racks 43 is 90 ° or 180 °. Specifically, when the side wall of the steel structure column 41 is connected with two supporting grid frames 43, the included angle between the two supporting grid frames 43 is 90 degrees or 180 degrees. When being connected with three support rack 43 on the lateral wall of steel structure post 41, three support rack 43 is overall to be the T style of calligraphy and arranges. When the side wall of the steel structure column 41 is connected with four supporting net racks 43, the four supporting net racks 43 are integrally arranged in a cross shape.

As shown in fig. 3, a plurality of supporting plates 16 are vertically arranged and connected to the horizontal grid 42, the supporting plates 16 are vertically arranged and connected to a plurality of connecting nodes 421 on the horizontal grid 42, the parking plate 13 is horizontally arranged, and the parking plate 13 is installed (laid) on the supporting plates 16, so that people can conveniently install the parking plate 13. The parking plate 13 comprises a precast concrete plate 15 and a hard bottom plate 14, the hard bottom plate 14 is laid on the support plate 16, and the precast concrete plate 15 is laid on the hard bottom plate 14. In actual operation, the hard bottom plate 14 may be a steel plate or an aluminum alloy plate, or may be another plate with higher hardness, and the hard bottom plate 14 is mainly used as a transition plate.

As shown in fig. 2 and 3, the supporting net frame 43 is divided into a transverse net frame 431 and a longitudinal net frame 432, the transverse net frame 431 is arranged along the length direction of the unit platform 12, the longitudinal net frame 432 is arranged along the width direction of the unit platform 12, during actual operation, the side portions of the transverse net frame 431 and the longitudinal net frame 432 are both connected with the side wall of the steel post 41, and the top end of the transverse net frame 431 and the top end of the side portion of the longitudinal net frame 432 are both connected with the bottom end of the horizontal net frame 42. In this way, the present application achieves an arrangement of the structure of the support rack 43.

As shown in fig. 2 and 3, one side of the transverse net frame 431 is connected to a certain steel post 41, and the other side of the transverse net frame 431 is in an empty state to support the left and right sides of the unit platform 12; one side of the vertical net rack 432 is connected to a steel post 41, and the other side of the vertical net rack 432 is either in an empty state or connected to another steel post 41, so as to support the front and rear ends of the unit platform 12.

Preferably, the length of the transverse net rack 431 is the same as that of the parking space, and the length of the longitudinal net rack 432 can be 1/3-2/3 of the width of the parking space, or not less than the width of a single parking space. Further, the length of the vertical net rack 432 may be 1/2 of the width of a parking space, or 1.2-1.5 of the width of a single parking space. In practice, the length of the passing area is no less than the length of a single parking space to allow sufficient space for vehicles to travel on unit platform 12. Preferably, the length of the passing area is 1.2-1.5 times of the length of a single parking space.

As shown in fig. 3 and 4, in supporting component 4 one end inserted the ground soil layer, the other end was connected with horizontal rack 42, and horizontal rack 42 bottom is connected with support rack 43, and support rack 43 mainly plays vertical bearing effect to let this application have sufficient structural strength and place the vehicle, support rack 43 and the lateral wall of steel structure post 41 are connected.

As shown in fig. 2 and 4, the length of the support assembly 4 is 3 to 4 times (preferably 3.3 times) the length of a single parking space, and the width of the support assembly is 3 to 4 times (preferably 3.3 times) the width of a single parking space, so that the present application can reduce the manufacturing cost as much as possible under the condition of sufficient structural strength.

In actual operation, as shown in fig. 3 and 4, an anti-collision notice board 44 for preventing a vehicle from colliding with the steel column 41 is connected to the bottom of the steel column 41 to prevent the vehicle from colliding with the steel column 41; the lower end of the steel-structured column 41 is inserted into a ground soil layer, and the upper end of the steel-structured column 41 is connected with a supporting net rack 43, a horizontal net rack 42 and a flange 45.

During actual operation, this application increases the steel column locating component 46 that can further strengthen this application structural strength between steel post 41 and rack (including horizontal rack 42 and support rack 43) to firmly link together steel post 41 and rack, thereby further improve the structural stability of this application, and then let people place more vehicles of quantity on horizontal rack 42.

As shown in fig. 4, the flange 45 is sleeved on the steel structure, and during actual operation, the flange 45 can be installed on the steel structure through bolts or can be installed on the steel structure through welding; the lower end of the supporting net rack 43 is connected with the side wall of the steel-structured column 41, one end of the supporting net rack 43 is connected with the horizontal net rack 42, the other end of the supporting net rack 43 is provided with a yielding groove for placing the flange plate 45, the yielding groove has the main function of enabling people to place the flange plate 45 more conveniently, and the supporting net rack 43 mainly plays a vertical bearing role, so that the vehicle-mounted supporting net rack has enough structural strength to place vehicles; be connected with the steel column locating component 46 that is used for placing the connected node 421 of horizontal rack 42 between ring flange 45 and the horizontal rack 42, like this, the structure of this application is more pleasing to the eye, compact.

As shown in fig. 4, a plurality of horizontal net frames 42 (preferably three layers) are connected to the steel column 41, and the distance between two adjacent horizontal net frames 42 is 2 to 3m (preferably 2.5 m). Preferably, a support rack 43 is connected between two adjacent horizontal racks 42 to support the horizontal racks 42. In practice, the distance between the horizontal grid 42 on the bottom floor and the ground is 2-5m (preferably 3 m).

As shown in fig. 4, the abdicating groove is located the top of the supporting net rack 43, the bottom of the horizontal net rack 42 is provided with an assembling groove corresponding to the abdicating groove, so that the present application has enough space for placing the flange 45, the flange 45 is located in the accommodating space 47 formed by the abdicating groove and the assembling groove, and at this time, the flange 45 can be placed in the accommodating space 47.

As shown in fig. 5, the steel column positioning assembly 46 includes a limiting groove 466 disposed on the flange 45, and the limiting groove 466 is provided with a node positioning element 463 slidably mounted on the flange 45 for placing the connecting node 421 of the horizontal net rack 42; in operation, the connecting node 421 of the horizontal grid 42 is mounted on the flange 45 through the node positioning piece 463, so that the flange 45 can better support the steel structure column 41.

As shown in fig. 5, the node positioning element 463 includes a sliding positioning seat 461, a positioning groove 462 is provided on the sliding positioning seat 461, the connecting node 421 of the horizontal net rack 42 rests on the positioning groove 462, a wing plate 464 located at two sides of the limiting groove is connected to the sliding positioning seat 461, and a positioning bolt 465 is connected between the wing plate 464 and the flange 45. Thus, people can adjust the position of the sliding positioning seat 461 on the flange plate 45 according to requirements, so that the construction of the application is more convenient.

In actual work, the steel wire rope can be formed only by assembling and welding, and the installation is very convenient; meanwhile, the device can be directly installed on the road, so that a municipal department does not need to plan a construction land again, and a new (concrete) building is not needed, therefore, vehicles on the road automatically run to a parking platform to park as required, and the device is low in manufacturing cost and convenient to use; then, the system does not influence the existing traffic after the installation is finished, can be directly installed on a road, and people can set the length of the parking platform along the length of the road according to needs and also can set the number of layers of the parking platform according to needs, so that more parking places (such as more than 200) can be set; finally, this application uses current, the higher steelframe of self structural strength (including horizontal rack and support rack) as main support piece and bearing part to let people can place the vehicle on unit platform, consequently, the structural stability of this application is higher.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The multilayer three-dimensional parking system is characterized by comprising a plurality of layers of parking platforms (1) arranged on a road driving pavement and a supporting mechanism (2) for supporting the parking platforms (1);

the two sides of the multiple layers of parking platforms (1) are connected with crawling ladders (31) which extend to a road driving road surface and are used for pedestrians to walk, and each layer of parking platform (1) is connected with an entering ramp (32) and a leaving ramp (33) which extend to the next layer of parking platform (1) or the road driving road surface;

the parking platform (1) is formed by assembling a plurality of parking units (11) which are adjacently arranged, each parking unit (11) comprises a support assembly (4) and a unit platform (12), each unit platform (12) comprises a horizontal net rack (42) and a parking plate (13), and each parking plate (13) is installed on the horizontal net rack (42);

the supporting mechanism (2) is formed by assembling a plurality of supporting components (4), each supporting component (4) is composed of four steel structure columns (41) which are arranged at intervals and form a rectangular structure, one end of each steel structure column (41) is inserted into a driving pavement, the other end of each steel structure column is connected with a horizontal net rack (42), the bottom end of each horizontal net rack (42) is connected with a supporting net rack (43), and the supporting net racks (43) are connected with the side walls of the steel structure columns (41);

the parking device is characterized in that a plurality of supporting plates (16) which are vertically arranged are connected to the horizontal net rack (42), the parking plate (13) is installed on the supporting plates (16), and the supporting plates (16) are used for being connected with a plurality of connecting nodes (421) on the horizontal net rack (42);

steel structure post (41) upper end is connected with ring flange (45), is connected with steel column locating component (46) that are used for placing connected node (421) of horizontal rack (42) between ring flange (45) and horizontal rack (42), and steel column locating component (46) are equipped with node location spare (463) that slidable installed on ring flange (45) including setting up spacing groove (466) on ring flange (45) on spacing groove (466) to be used for placing connected node (421) of horizontal rack (42).

2. The multistory parking garage according to claim 1, characterized in that elevators (34) extending onto the road surface of the vehicle and allowing pedestrians to walk are connected to both sides of the parking platform (1).

3. The multistory parking garage according to claim 2, wherein a pedestrian passageway (36) for pedestrians is connected to both sides of the getting-on ramp (32) and both sides of the getting-off ramp (33).

4. The multistory parking garage according to claim 1, 2 or 3, wherein each parking platform (1) is provided with two boarding ramps (32) and two disembarking ramps (33), and the two boarding ramps (32) and the two disembarking ramps (33) are arranged along the driving direction of the road and are connected with the driving road.

5. The multi-storey stereo parking system according to claim 4, further comprising a traffic tunnel located directly below the parking platform (1), wherein one end of the traffic tunnel is engaged with a road traffic road surface, and the other end of the traffic tunnel is engaged with an upper ramp (32) or a lower ramp (33) of the parking platform (1) located at the bottom floor.

6. A sky parking system according to claim 5, wherein a collision prevention notice board (44) for preventing a vehicle from colliding against the steel post (41) is attached to a bottom of the steel post (41).

7. The multistory parking system according to claim 6, wherein a plurality of support wire frames (43) are connected to the side walls of the steel posts (41), and the included angle between two adjacent support wire frames (43) is 90 ° or 180 °.

8. The multistory parking system according to claim 7, wherein the distance between two adjacent parking platforms (1) is 2-3 m, and the distance between the lowest parking platform (1) and the ground is 2-5 m.

9. Multistorey parking system according to claim 1, wherein the parking platform (1) comprises two parking platforms (17) arranged symmetrically, each parking platform (17) comprising two end parking platforms (18) and at least one intermediate parking platform (19), the intermediate parking platform (19) being located between the two end parking platforms (18).