CN214326137U

CN214326137U - Vehicle access device

Info

Publication number: CN214326137U
Application number: CN202022802502.XU
Authority: CN
Inventors: 李洪涛
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-01
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a vehicle access arrangement belongs to storage technical field. The vehicle access device includes: a traveling platform capable of moving in a first direction; the lifting platform is provided with a vehicle storage part and a horizontal driving mechanism, and the vehicle storage part is used for storing the driven transport trolley; the horizontal driving mechanism is used for driving the vehicle storage part to move along a second direction so as to enable the vehicle storage part to be engaged with an external storage mechanism; the first direction and the second direction are perpendicular to each other in a horizontal plane; and the lifting driving mechanism is arranged on the walking platform and used for driving the lifting platform to lift along the vertical direction. The utility model realizes the transportation of the transport trolley by arranging the vehicle storage part which can automatically drive in or out of the transport trolley, and the vehicle access device further bears the vehicle storage part to move in the horizontal plane and lift in the vertical direction, thereby being beneficial to realizing the automatic access of the transport trolley and improving the access efficiency; meanwhile, the storage and taking operation of the transport trolley in the vertical space of the warehouse can be realized.

Description

Vehicle access device

Technical Field

The utility model relates to a storage technical field especially relates to a vehicle access arrangement.

Background

In the field of warehouse logistics, an AGV (Automated Guided Vehicle) or other types of transport vehicles are generally used for transporting or sorting goods, when the transport vehicles are not used, the transport vehicles often need to be manually transferred to the outside of a working area and horizontally stored on the ground of a warehouse one by one, when the transport vehicles need to be reused, the transport vehicles are manually brought into specific positions of the working area, and corresponding transportation work or sorting work is completed through a set program.

In the process of implementing the invention, the inventor finds that the following problems exist in the prior art:

1) the storage and the taking of the transport trolley are finished by manual operation, the automation degree is low, the labor cost is increased, and the storing and taking efficiency is reduced;

2) the horizontal storage of the transport trolley occupies a large area, and the reasonable utilization of warehouse space cannot be realized.

Therefore, it is desirable to provide a vehicle access device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a vehicle access device, which can realize the automatic operation of storing and taking the transport trolley, reduce the labor cost and improve the access efficiency; the vehicle storing and taking device can also be lifted and lowered to facilitate storing and taking of the transport trolley in the vertical space, and further achieve the purpose of reasonably utilizing the warehouse space.

To achieve the purpose, the utility model adopts the following technical proposal:

a vehicle access device comprising:

a traveling platform capable of moving in a first direction;

the lifting platform is provided with a vehicle storage part and a horizontal driving mechanism, and the vehicle storage part is used for storing the driven transport trolley; the horizontal driving mechanism is used for driving the vehicle storage part to move along a second direction so as to enable the vehicle storage part to be engaged with an external storage mechanism; the first direction and the second direction are perpendicular to each other in a horizontal plane;

and the lifting driving mechanism is arranged on the walking platform and used for driving the lifting platform to lift along the vertical direction.

As an alternative of the above vehicle access device, the vehicle storage member is a cylindrical structure, and at least one of two ends of the vehicle storage member in the second direction is provided with an opening; and a running track for the travelling of the transport trolley is arranged in the car storage part.

As an alternative to the above vehicle access device, the vehicle storage member has a cylindrical structure; the running rails are arranged in a plurality and are uniformly distributed along the circumferential direction of the inner wall of the vehicle storage part.

As an alternative of the above vehicle access device, the lifting driving mechanism includes a driving synchronizing wheel and a driven synchronizing wheel spaced apart from each other in the vertical direction, and a synchronous belt wound around the driving synchronizing wheel and the driven synchronizing wheel, and the lifting platform is fixedly connected to the synchronous belt.

As an alternative of the above vehicle access device, the two lifting drive mechanisms are respectively located at two sides of the lifting platform along the first direction.

As an alternative of the above vehicle access device, a support member is further disposed on the lifting platform, the vehicle storage member is supported on the support member, the support member is slidably connected to the lifting platform, and the output end of the horizontal driving mechanism is connected to the support member.

As an alternative to the above vehicle access device, the support members are provided in two at a distance in the second direction, and the horizontal drive mechanism is provided between the two support members.

As an alternative of the vehicle access device, the vehicle access device further comprises a conveying guide rail extending along the first direction, the conveying guide rail comprises a top guide rail and a bottom guide rail which are arranged at intervals up and down, the top guide rail and the bottom guide rail are both arranged at intervals along the second direction, and the bottom of the walking platform is provided with walking wheels which are arranged on the bottom guide rail in a rolling manner;

the top and the bottom of the walking platform are respectively provided with a top guide wheel and a bottom guide wheel, the top guide wheel is arranged on one side of the top guide rail in the opposite direction in a rolling mode, and the bottom guide wheel is arranged on one side of the bottom guide rail in the opposite direction in a rolling mode.

As an alternative of the vehicle access device, the walking platform comprises a bottom plate and a support frame arranged on the bottom plate, and the walking wheel is arranged on the bottom plate; the support frame includes a plurality of stands and locates the top frame at stand top, lift platform locates the stand with the top frame reaches in the space that the bottom plate encloses to establish and forms.

As an alternative of the above vehicle access device, two ends of the conveying rail in the first direction are respectively provided with a horizontal limiting piece; the bottom plate is provided with a first vertical limiting part, and the top frame is provided with a second vertical limiting part.

The utility model discloses beneficial effect of embodiment:

1) the transportation trolley is transported by the trolley storage part which can automatically drive in or out through the arrangement of the transportation trolley, and the vehicle storing and taking device further bears the trolley storage part to enable the trolley storage part to complete horizontal plane movement and vertical direction lifting, so that the automatic storing and taking of the transportation trolley are facilitated, the labor cost is reduced, and the storing and taking efficiency is improved;

2) because lift platform can drive and deposit the car spare and go up and down in vertical direction, and then can realize the access operation of travelling bogie in the vertical space in warehouse, avoided the travelling bogie level to place the too much occupation to warehouse space, improved warehouse utilization ratio.

Drawings

Fig. 1 is a schematic structural diagram of a vehicle access device according to an embodiment of the present invention;

fig. 2 is a side view of a vehicle access device in an embodiment of the present invention;

fig. 3 is an assembly diagram of the bottom plate and the lifting platform in the embodiment of the present invention;

FIG. 4 is a side view of the bottom plate and the lifting platform of the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a top frame according to an embodiment of the present invention.

In the figure:

10. a walking platform; 20. a lifting platform; 30. a lifting drive mechanism; 40. a conveying guide rail; 50. a first detection mechanism;

11. a base plate; 12. a support frame; 21. storing the vehicle parts; 22. a horizontal driving mechanism; 23. a support member; 24. a splint; 25. a slide rail; 31. a driving synchronizing wheel; 32. a driven synchronizing wheel; 33. a synchronous belt; 34. a lifting motor; 41. a top rail; 42. a bottom rail; 43. a horizontal limit piece; 51. a first reflection plate; 52. a first laser range finder;

111. a bottom guide wheel; 112. a traveling motor; 113. a traveling wheel; 114. a first vertical stop; 121. a column; 122. a top frame; 211. a running track; 231. a slider; 232. a support plate; 233. a support vertical plate;

1221. a top guide wheel; 1222. a second vertical stop.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The embodiment discloses a vehicle access device. Fig. 1 is a schematic structural diagram of a vehicle access device according to an embodiment of the present invention; fig. 2 is a side view of a vehicle access device in an embodiment of the present invention; fig. 3 is an assembly diagram of the bottom plate and the lifting platform in the embodiment of the present invention; FIG. 4 is a side view of the bottom plate and the lifting platform of the embodiment of the present invention; fig. 5 is a schematic structural diagram of a top frame according to an embodiment of the present invention. Referring to fig. 1 to 3, the vehicle access device includes: a traveling platform 10 capable of moving in a first direction (i.e., X direction in the drawing); the lifting platform 20 is provided with a vehicle storage part 21 and a horizontal driving mechanism 22, the vehicle storage part 21 is used for storing the driven transport trolley, and the horizontal driving mechanism 22 is used for driving the vehicle storage part 21 to move along a second direction (namely, the Y direction in the drawing) so as to enable the vehicle storage part 21 to be jointed with an external storage mechanism; the first direction and the second direction are vertical to each other in the horizontal plane; and the lifting driving mechanism 30 is arranged on the walking platform 10 and is used for driving the lifting platform 20 to lift along the vertical direction (namely, the Z direction in the drawing).

The vehicle access device provided by the embodiment realizes the transportation of the transport trolley by arranging the vehicle storage part 21 which can automatically drive in or out of the transport trolley, and then bears the vehicle storage part 21 to complete the horizontal movement and the vertical lifting of the vehicle storage part, thereby being beneficial to realizing the automatic access of the transport trolley, reducing the labor cost and improving the access efficiency; secondly, because lift platform 20 can drive and deposit car spare 21 and go up and down in vertical direction, and then can realize the access operation of travelling bogie in the vertical space of warehouse, avoided the travelling bogie level to place the too much occupation to warehouse space, improved warehouse utilization ratio.

Specifically, referring to fig. 1 and 2, the walking platform 10 includes a bottom plate 11 and a supporting frame 12 provided on the bottom plate 11; the floor 11 corresponds to the chassis structure of the entire vehicle access device, and carries most of the components of the vehicle access device. In order to realize the movement of the walking platform 10 along the first direction, the bottom plate 11 is provided with a walking motor 112 and a walking wheel 113, the output end of the walking motor 112 is connected with the walking wheel 113, so as to realize the walking drive of the walking wheel 113 and further realize the walking drive of the whole walking platform 10. Alternatively, the walking motor 112 is a deceleration motor to control the walking speed reasonably. Further optionally, the walking wheels 113 are provided with two sets, namely a walking driving wheel set and a walking driven wheel set, which are arranged at intervals along the first direction, respectively, the walking driving wheel set and the walking driven wheel set are both provided with two walking wheels 113 at intervals along the second direction, and the driving end of the walking motor 112 is connected with the walking driving wheel set, so as to realize stable walking of the walking platform 10. Of course, in specific implementation, multiple sets of the road wheels 113 can be arranged as required. Optionally, the support frame 12 is a square structure, and specifically includes four columns 121 that are distributed in a rectangular shape in the horizontal plane and a top frame 122 disposed at the top of the columns 121, and the lifting platform 20 is disposed in a space formed by the four columns 121, the top frame 122 and the bottom plate 11, so as to play a certain limiting role, and prevent the lifting platform 20 from shifting when lifting and dropping, and separating from the walking platform 10. Further optionally, the lifting platform 20 is connected to the upright 121 in a sliding manner in the vertical direction, so that the lifting platform 20 can be guided to lift in the vertical direction, and the lifting platform 20 cannot be separated from the walking platform 10.

Still referring to fig. 1 and 2, the vehicle storage member 21 is a hollow cylindrical structure, the axial direction of the cylindrical structure extends along the second direction, at least one of two ends of the vehicle storage member 21 along the second direction is provided with an opening, so that the transportation cart can enter the vehicle storage member 21 from the opening and be stably placed, or exit the vehicle storage member 21 from the opening; of course, in order to improve the flexibility of the vehicle access device, the two ends of the vehicle storage member 21 in the second direction are provided with openings, and the transportation cart can flexibly select the opening for entering (or exiting) according to the position of the external storage mechanism. In this embodiment, the vehicle storage part 21 adopts a cylindrical structure, the inner wall or the outer wall of the vehicle storage part 21 is a circular structure, namely similar to a section of circular pipeline, and the cylindrical structure can increase the storage space of the vehicle storage part 21, thereby facilitating the storage of the transportation trolley. Furthermore, a running track 211 of the transport trolley is arranged in the vehicle storage part 21 so as to facilitate the running of the transport trolley; when the two ends of the vehicle storage 21 are provided with openings, the running rail 211 penetrates the entire vehicle storage 21 in the second direction. Specifically, the running rail 211 is opened on the inner wall of the vehicle storage 21. Optionally, in this embodiment, four traveling rails 211 are provided, and the four traveling rails 211 are uniformly distributed along the circumferential direction of the inner wall of the vehicle storage 21; of course, according to the size of the transportation trolley, the number of the running rails 211 can be three, five or more, and the running rails 211 can be uniformly distributed along the circumferential direction of the inner wall of the trolley storage part 21, so that any two running rails 211 can form a group of running rails 211 for the transportation trolley, and the assembly requirement of the trolley storage part 21 is reduced.

Optionally, the lifting driving mechanism 30 adopts a synchronous belt structure; specifically, referring to fig. 1, the lifting driving mechanism 30 includes a driving synchronizing wheel 31 and a driven synchronizing wheel 32 arranged at intervals in the vertical direction, and a synchronous belt 33 wound around the driving synchronizing wheel 31 and the driven synchronizing wheel 32, and the lifting platform 20 is fixedly connected to the synchronous belt 33; referring to fig. 4, the lifting driving mechanism 30 further includes a lifting motor 34, and the lifting motor 34 drives the driving synchronous wheel 31 to rotate, so as to drive the synchronous belt 33 to convey on a vertical plane, thereby realizing the lifting of the lifting platform 20 in the vertical direction. Specifically, the lifting platform 20 is provided with a clamping plate 24 for clamping the synchronous belt 33, so as to fixedly connect the synchronous belt 33 with the lifting platform 20. In this embodiment, the driving synchronizing wheel 31 and the lifting motor 34 are both disposed on the bottom plate 11, and referring to fig. 5, the driven synchronizing wheel 32 is disposed on the top frame 122 to optimize the structural arrangement, so that the chassis of the walking platform 10 is more stable. Furthermore, two lifting driving mechanisms 30 are arranged and are respectively positioned on two sides of the lifting platform 20 along the first direction, so that stable lifting of the lifting platform 20 can be realized, and interference with the process of driving the transport trolley into and out of the vehicle storage part 21 is avoided. Further, the two lifting driving mechanisms 30 are driven by the same lifting motor 34, so that the cost is reduced. Optionally, the elevator motor 34 is also a reduction motor.

Referring to fig. 2-4, a supporting member 23 is disposed on the lifting platform 20, the vehicle storage member 21 is supported on the supporting member 23, the supporting member 23 is slidably connected to the lifting platform 20, and an output end of the horizontal driving mechanism 22 is connected to the supporting member 23, so as to realize the movement of the vehicle storage member 21 along the second direction. Specifically, the supporting member 23 is slidably connected to the lifting platform 20 through a sliding rail and sliding block structure, a sliding block 231 is disposed at the bottom of the supporting member 23, a sliding rail 25 extending along the second direction is disposed on the lifting platform 20, and the sliding block 231 is slidably disposed on the sliding rail 25 to guide the supporting member 23 to move along the second direction. More specifically, the support 23 comprises a support plate 232 and a support vertical plate 233 which are perpendicular to each other, a groove is formed on the support vertical plate 233, and the vehicle storage part 21 is located in the groove to realize stable placement; the slider 231 is specifically disposed at the bottom of the supporting plate 232. In this embodiment, the recess is an arc-shaped groove to match the cylindrical outer contour of the parking member 21. Optionally, two supporting members 23 are arranged at intervals along the second direction, so that the weight of the vehicle access device is reduced as much as possible on the premise that stable support is guaranteed, and meanwhile, the space between the two supporting members 23 can be used for arranging other parts, so that the compactness of the whole vehicle access device is improved.

Further, the horizontal driving mechanism 22 is a linear driving member, which is disposed on the lifting platform 20, and an output end of the linear driving member is connected to any one of the supporting members 23, so as to drive the whole supporting member 23 and the parking member 21 to move in the second direction. Optionally, a linear drive is provided between the two supports 23. In this embodiment, the linear driving member is an electric cylinder.

Referring to fig. 1 and 2, the vehicle access device further includes a conveying rail 40 extending in a first direction, and the traveling platform 10 moves on the conveying rail 40 in the first direction, thereby effecting movement of the vehicle member 21 in the first direction. Optionally, the conveying guide rail 40 comprises a top guide rail 41 and a bottom guide rail 42 which are arranged at an interval up and down, and the bottom plate 11 and the top frame 122 of the walking platform 10 are respectively in contact with the top guide rail 41 and the bottom guide rail 42 for guiding, so as to ensure the walking accuracy of the walking frame; in specific implementation, the conveying guide rail 40 may be separately installed in the warehouse, or may be constructed by using a warehouse structure. Further, bottom guide rail 42 is provided with two along the second direction, refer to fig. 4, bottom leading wheel 111 all sets up along the both sides of second direction on bottom plate 11, walking wheel 113 rolls and locates the top of bottom guide rail 42, bottom leading wheel 111 rolls and locates the opposite one side of bottom guide rail 42, bottom leading wheel 111 can realize that walking platform 10 is spacing on the second direction, avoid walking platform 10 to take place the skew, make walking wheel 113 can be steady removal on bottom guide rail 42 all the time. Furthermore, two top guide rails 41 are also arranged at intervals along the second direction, referring to fig. 5, top guide wheels 1221 are arranged on both sides of the top frame 122 along the second direction, and the top guide wheels 1221 are arranged on the opposite sides of the top guide rails 41 in a rolling manner; top leading wheel 1221 and bottom leading wheel 111 cooperation, can realize walking guide of walking platform 10, can also realize walking platform 10 spacing in the second side, guaranteed the stability that whole walking platform 10 removed along the first direction, walking platform 10 is still avoided because vertical direction size is too big in the setting of top guide 41 simultaneously, the unstable phenomenon takes place often promoting, the stability of lift platform 20's promotion operation has been guaranteed.

Specifically, referring to fig. 1 and 2 again, horizontal limiting members 43 are respectively disposed at two ends of the conveying rail 40 along the first direction to realize hard limiting by abutting against the traveling platform 10, so as to prevent the movement of the vehicle storage member 21 along the first direction from exceeding a predetermined range. Optionally, a horizontal stop 43 is provided on the bottom rail 42. Further, a first vertical limiting member 114 is disposed on the bottom plate 11, a second vertical limiting member 1222 is disposed on the top frame 122, and the first vertical limiting member 114 and the second vertical limiting member 1222 are respectively used for abutting against the lifting platform 20 and the vehicle storage member 21, so as to prevent the vehicle storage member 21 from being lifted beyond a predetermined range. Optionally, four first vertical position-limiting members 114 are provided and are distributed on the bottom plate 11 in a rectangular shape to uniformly buffer the lifting platform 20; optionally, the shape and structure of the second vertical limiting member 1222 are adapted to the vehicle storage member 21, so as to increase the contact area and improve the buffering effect.

With continued reference to fig. 1 and 2, the vehicle access apparatus further includes a first detection mechanism 50 for detecting a displacement of the traveling platform 10 moving in the first direction to prevent the traveling platform 10 from exceeding a predetermined traveling range. Specifically, the first detection mechanism 50 includes a first reflection plate 51 and a first laser range finder 52, one of the first reflection plate 51 and the first laser range finder 52 is disposed on the bottom plate 11, and the other one is fixed in position, and the first reflection plate 51 is used for reflecting the laser of the first laser range finder 52 to achieve the purpose of distance measurement, so as to detect the driving range of the walking platform 10. Optionally, two first detection mechanisms 50 are disposed along the first direction to achieve the accuracy of position detection when the walking platform 10 walks back and forth along the first direction. Further, the vehicle access device further comprises a second detection mechanism for detecting the displacement of the lifting platform 20 moving along the vertical direction, so as to prevent the lifting platform 20 from lifting beyond a predetermined range. Specifically, the second detection mechanism includes a second reflection plate and a second laser range finder, one of the second reflection plate and the second laser range finder is disposed on the bottom plate 11 (or the top frame 122), the other one is disposed on the lifting platform 20, and the second reflection plate is used for reflecting laser of the second laser range finder to reach the purpose of ranging, so as to detect the lifting height of the lifting platform 20.

It can be understood that, in particular applications, the storage mechanism of a plurality of transport trolleys exists in the vertical direction of the warehouse, so as to place the transport trolleys which are temporarily in a rest state; the vehicle access device provided by the embodiment is used for transferring the transport trolley in a rest state into the storage mechanism or transferring the transport trolley to be used from the storage mechanism to the working area. Further, in this embodiment, the storage mechanism also adopts a pipeline structure, and is adapted to the storage member 21 in the form of a pipeline, that is, the two pipelines are first butt-jointed to connect the running rails 211 of the two pipelines, so that the transportation cart can run between the storage member 21 and the storage mechanism by itself to complete the transfer. In this embodiment, the pipeline of the vehicle storage device 21 is referred to as a temporary storage pipeline, and the pipeline of the storage mechanism is referred to as a target pipeline, and based on the above description, the specific use method of the vehicle access device is as follows:

parking: the transport trolley drives into a temporary storage pipeline of the vehicle storing and taking device; the walking platform 10 moves along the first direction until reaching the same position with the target pipeline in the first direction; the lifting platform 20 is lifted so that the temporary storage pipeline and the target pipeline are positioned at the same height; the horizontal drive mechanism 22 drives the temporary storage pipeline to move towards the direction close to the target pipeline so as to enable the two pipelines to be in butt joint; and the transport trolley drives into the target pipeline to finish storage.

Taking the vehicle: similar to the parking process, the walking platform 10 moves along the first direction, the lifting platform 20 lifts along the vertical direction until the temporary storage pipeline and the target pipeline are located at the same height and the same position on the first direction, then the horizontal driving mechanism 22 drives the temporary storage pipeline to be close to the target pipeline and butt joint, so that the transport trolley in the target pipeline drives into the temporary storage pipeline, then the vehicle storing and taking device drives the transport trolley to perform space position conversion together until the target position is reached, and the transport trolley drives away from the temporary storage pipeline.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A vehicle access device, comprising:

a traveling platform (10) that can move in a first direction;

the lifting platform (20) is provided with a vehicle storage part (21) and a horizontal driving mechanism (22), and the vehicle storage part (21) is used for storing a driven transport trolley; the horizontal driving mechanism (22) is used for driving the vehicle storage part (21) to move along a second direction so as to enable the vehicle storage part (21) to be engaged with an external storage mechanism; the first direction and the second direction are perpendicular to each other in a horizontal plane;

and the lifting driving mechanism (30) is arranged on the walking platform (10) and used for driving the lifting platform (20) to lift along the vertical direction.

2. The vehicle access device according to claim 1, wherein the vehicle storage member (21) is a cylindrical structure, and at least one of two ends of the vehicle storage member (21) in the second direction is provided with an opening; a running track (211) for the travelling of the transport trolley is arranged in the vehicle storage part (21).

3. The vehicle access device according to claim 2, wherein the vehicle storage member (21) is a cylindrical structure; the plurality of running rails (211) are arranged, and the plurality of running rails (211) are uniformly distributed along the circumferential direction of the inner wall of the vehicle storage part (21).

4. The vehicle access device according to claim 1, wherein the lifting driving mechanism (30) comprises a driving synchronous wheel (31) and a driven synchronous wheel (32) which are arranged at intervals along the vertical direction, and a synchronous belt (33) which is simultaneously wound on the driving synchronous wheel (31) and the driven synchronous wheel (32), and the lifting platform (20) is fixedly connected to the synchronous belt (33).

5. The vehicle access device according to claim 4, wherein the lifting drive mechanism (30) is provided in two, and is respectively located on both sides of the lifting platform (20) in the first direction.

6. The vehicle access device according to claim 1, wherein a support member (23) is further disposed on the lifting platform (20), the vehicle storage member (21) is supported on the support member (23), the support member (23) is slidably connected to the lifting platform (20), and an output end of the horizontal driving mechanism (22) is connected to the support member (23).

7. The vehicle access device according to claim 6, wherein the support members (23) are provided in two at intervals in the second direction, and the horizontal drive mechanism (22) is provided between the two support members (23).

8. The vehicle access device according to claim 1, further comprising a conveying guide rail (40) extending along the first direction, wherein the conveying guide rail (40) comprises a top guide rail (41) and a bottom guide rail (42) which are arranged at an interval from top to bottom, the top guide rail (41) and the bottom guide rail (42) are both arranged at an interval along the second direction, a travelling wheel (113) is arranged at the bottom of the travelling platform (10), and the travelling wheel (113) is arranged on the bottom guide rail (42) in a rolling manner;

the top and the bottom of the walking platform (10) are respectively provided with a top guide wheel (1221) and a bottom guide wheel (111), the top guide wheel (1221) is arranged on one side of the top guide rail (41) in opposite directions in a rolling manner, and the bottom guide wheel (111) is arranged on one side of the bottom guide rail (42) in opposite directions in a rolling manner.

9. The vehicle access device according to claim 8, wherein the walking platform (10) comprises a bottom plate (11) and a support frame (12) arranged on the bottom plate (11), and the walking wheels (113) are arranged on the bottom plate (11); the support frame (12) comprises a plurality of upright columns (121) and a top frame (122) arranged at the tops of the upright columns (121), and the lifting platform (20) is arranged in a space formed by the upright columns (121), the top frame (122) and the bottom plate (11) in an enclosing mode.

10. The vehicle access device according to claim 9, wherein horizontal stoppers (43) are provided at both ends of the conveying rail (40) in the first direction, respectively; a first vertical limiting piece (114) is arranged on the bottom plate (11), and a second vertical limiting piece (1222) is arranged on the top frame (122).