WO2020015490A1 - 配送车 - Google Patents

配送车 Download PDF

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Publication number
WO2020015490A1
WO2020015490A1 PCT/CN2019/091385 CN2019091385W WO2020015490A1 WO 2020015490 A1 WO2020015490 A1 WO 2020015490A1 CN 2019091385 W CN2019091385 W CN 2019091385W WO 2020015490 A1 WO2020015490 A1 WO 2020015490A1
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WO
WIPO (PCT)
Prior art keywords
delivery vehicle
bracket
rack
driving device
chassis
Prior art date
Application number
PCT/CN2019/091385
Other languages
English (en)
French (fr)
Inventor
李佳
孙凯
Original Assignee
北京三快在线科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京三快在线科技有限公司 filed Critical 北京三快在线科技有限公司
Publication of WO2020015490A1 publication Critical patent/WO2020015490A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B31/06—Service or tea tables, trolleys, or wagons adapted to the use in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/001—Steering non-deflectable wheels; Steering endless tracks or the like control systems
    • B62D11/003—Electric or electronic control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/001—Steering non-deflectable wheels; Steering endless tracks or the like control systems
    • B62D11/006—Mechanical control systems

Definitions

  • the present disclosure relates to a delivery vehicle.
  • the present disclosure provides a delivery vehicle.
  • the delivery vehicle includes: two roller assemblies, each of which includes two rollers, a chassis provided between the two rollers, and a driving device installed on the chassis; and a bracket installed on the drive Device, the width of the bracket is smaller than the length of the roller assembly, and under the drive of the driving device, the bracket can move between the two rollers along the chassis.
  • the driving device is a rack and pinion assembly
  • the rack and pinion assembly includes: a slide seat slidably disposed on the chassis, a rack disposed on the chassis, and drivingly connected to the rack A gear member and a motor fixed to the sliding base, the motor is used to drive the gear member to rotate.
  • the driving device is a lead screw assembly.
  • the lead screw assembly includes: a screw, a socket member threadedly connected to the screw, and a motor for driving the screw to rotate.
  • the screw is rotatably disposed on the screw. Said base frame, said sleeve member is fixedly connected with said bracket.
  • the base frame includes a frame body and guide rails provided on both sides of the frame body
  • the slide base includes a base body and a slider provided on the base body, and the slider is slidably sleeved To the guide rail.
  • the frame body includes a bottom portion, two end portions extending upwardly from both ends of the bottom portion, and a main body portion connecting the two end portions, and two sides of the main body portion and the bottom portion and the base portion
  • the two end portions together form two receiving spaces
  • the two guide rails are respectively located in the two receiving spaces
  • two ends of the two guide rails are respectively connected to the two end portions.
  • the rack is fixed to the main body portion, or the rack is integrally formed on the main body portion.
  • a groove corresponding to the rack is provided on the bottom surface of the base, and the gear member meshes with the rack in the groove.
  • the bracket is mounted on the driving device through a cross bearing.
  • cameras are respectively provided at two ends of the bracket.
  • the wheel is provided with a hub motor to drive the wheel to rotate.
  • the delivery vehicle further includes a controller that controls the motor of the driving device and the hub motor.
  • the bracket When the distribution vehicle of the present disclosure encounters a pedestrian during the movement, the bracket can be driven by the driving device to move either end of the chassis. At this time, the pedestrian can cross from the other end of the chassis. It avoids pedestrians, has a simple structure and is easy to use.
  • FIG. 1 is a schematic perspective view of an embodiment of a delivery vehicle of the present disclosure.
  • FIG. 2 is a plan view of the delivery vehicle shown in FIG. 1.
  • FIG. 3 is a schematic perspective view of the roller assembly shown in FIG. 1.
  • FIG. 4 is an exploded perspective view of the roller assembly shown in FIG. 3.
  • FIG. 5 is a top view of the delivery vehicle shown in FIG. 1, with the bracket moved to one end of the roller assembly.
  • FIG. 6 is a top view of the delivery vehicle shown in FIG. 1, in which a roller assembly is rotated by 90 degrees.
  • FIG. 7 is a top view of the delivery vehicle shown in FIG. 1, and another roller assembly is rotated by 90 degrees.
  • FIG. 8 is a top view of the distribution vehicle shown in FIG. 1, in which a roller assembly is rotated by a certain angle.
  • first, second, third, etc. may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • word “if” as used herein can be interpreted as “at” or "when” or "in response to determination”.
  • an embodiment of the present disclosure provides a delivery vehicle 100.
  • the delivery vehicle 100 can be used to sell commodities such as daily necessities, food, and beverages on vehicles such as high-speed rail, trains, and airplanes. Used as a dining car.
  • the delivery vehicle 100 can also be used to transport materials, finished products, etc. on a factory floor.
  • the above are just some examples of application scenarios of the delivery vehicle 100, and are not limited to the above examples.
  • the delivery vehicle 100 is an unmanned delivery vehicle. In other embodiments, the delivery vehicle 100 further includes a person delivery vehicle.
  • the delivery vehicle 100 includes two roller assemblies 10 and a bracket 30.
  • the bracket 30 is provided with one or more spaced-apart storage cavities to store food, beverages and other commodities.
  • the two roller assemblies 10 are respectively disposed at the front and rear ends of the bracket 30.
  • each roller assembly 10 includes two rollers 11, a chassis 12 disposed between the two rollers 11, and a driving device 13 installed on the chassis 12.
  • the width of the roller assembly 10 is generally not greater than the width of the vehicle aisle.
  • the bracket 30 is mounted on the driving device 13, and the width of the bracket is smaller than the length of the roller assembly. Under the driving of the driving device 13, the bracket 30 can move along the bottom frame 12 on the two rollers.
  • the bracket 30 is generally located at the middle position of the chassis 12. If the delivery vehicle 100 encounters a pedestrian during the movement, the bracket 30 may Driven by the driving device 13 described above, it moves to any end of the chassis 12 (that is, the position near the roller 11). At this time, a pedestrian can cross from the other end of the chassis 12, so that pedestrians can be avoided, and Simple structure and easy to use.
  • the driving device 13 is a rack and pinion assembly.
  • the rack and pinion assembly includes a sliding seat 131 slidably disposed on the chassis 12 and teeth disposed on the chassis 12.
  • the bar 132, a gear member 133 connected to the rack 132, and a motor 134 fixed to the slide base 131 are used to drive the gear member 133 to rotate.
  • the rack 132 extends from one end to the other end of the chassis 12, that is, from one roller 11 to another roller 11.
  • the gear member 133 is disposed at the output end of the motor 134.
  • the gear member 133 After the motor 134 is started, the gear member 133 is driven to rotate, and the gear member 133 drives the sliding seat 131 and the motor 134 to move along the extending direction of the rack 132.
  • the motors of the two rack and pinion assemblies are started at the same time and driven in a certain rotation direction, the two sliding seats 131 move in the same direction, and then the bracket 30 is moved to the same end of the two roller assemblies 10, see FIG. 5 In this way, the other ends of the two roller assemblies 10 can be passed by pedestrians. After the pedestrian passes, the motors controlling the two rack and pinion components are rotated in the opposite direction at the same time, so that the bracket 30 can return to the original position.
  • the driving device 13 is a lead screw assembly.
  • the lead screw assembly includes a screw, a socket member screwed to the screw, and a motor driving the screw to rotate.
  • the screw is rotatable.
  • the ground is disposed on the base frame 12, and the socket is fixedly connected to the bracket 30.
  • the screw extends from one end to the other end of the base frame 12, that is, from one roller 11 to another roller 11.
  • the motor is fixed to one end of the base frame 12, and the screw is driven to rotate after the motor is started. Accordingly, the socket member drives the bracket 30 to move along the extending direction of the screw.
  • the socket member drives the bracket 30 to move to the same end of the two roller assemblies 10 in the same direction.
  • the other ends of the two roller assemblies 10 are Can be passed by pedestrians.
  • the motors controlling the two screw assemblies rotate in opposite directions at the same time, so that the bracket 30 can return to the original position.
  • the base frame 12 includes a frame body 121 and guide rails 122 provided on both sides of the frame body 121.
  • the slide base 131 includes a base body 1311 and a base body 1311 provided on the base body 1311.
  • a slider 1312 is slidably sleeved on the guide rail 122. By the cooperation of the slider 1312 and the guide rail 122, the slide base 131 can drive the bracket 30 to stably move along the roller assembly 10.
  • the frame body 121 includes a bottom portion 1211, two end portions 1212 extending upwardly from both ends of the bottom portion 1211, and a main body portion 1213 connecting the two end portions 1212.
  • the main body portion 1213 extends from the bottom portion 1211. It extends upward and is located at a middle position between the two end portions 1212.
  • the main body portion 1213 is located between the two guide rails 122.
  • the two sides of the main body portion 1213 and the bottom portion 1211 and the two end portions 1212 together form two receiving spaces 1214.
  • the two guide rails 122 are respectively located in the two receiving spaces 1214, and the two guide rails 122 The two ends are respectively connected to the two end portions 1212, so that the structure is compact.
  • the rack 132 is fixed to the main body portion 1213, or the rack 132 is integrally formed with the main body portion 1213.
  • the rack 132 extends from one end to the other end of the main body portion 1213. In this way, the slide base 131 can drive the bracket 30 to move the bracket 30 along the rack 132.
  • the base body 1311 is substantially square.
  • the bottom surface of the base body 1311 is provided with four sliders 1312 that cooperate with the two guide rails 122.
  • the four sliders 1312 are located at four corners of the base body 1311.
  • Each of the guide rails 122 cooperates with two sliders 1312 respectively.
  • the sliding base 131 cooperates with the chassis 12 stably and reliably.
  • the slider 1312 may be fixed to the bottom surface of the base body 1311, or may be integrally formed with the base body 1311.
  • a groove 1315 corresponding to the rack 132 is provided on the bottom surface of the base 1311, and the gear member 133 meshes with the rack 132 in the groove 1315. This makes the overall structure of the roller assembly 10 more compact.
  • the rollers 11 are each provided with a hub motor (not shown) to drive the rollers 11 to rotate.
  • the in-wheel motor is fixed to the chassis 12. In use, even if the vehicle shakes, the rollers 11 are actively driven by the hub motor, so that the delivery vehicle can move stably without sliding due to the vehicle shaking.
  • the hub motor has a compact structure and control. flexible.
  • the bracket 30 is mounted on the driving device 13 through a cross bearing 40. Specifically, the bracket 30 is mounted on the top surface of the sliding seat 131 through a cross bearing 40. In this way, the roller assembly 10 can rotate about the cross bearing 40. When the two hub motors of a roller assembly 10 rotate in different directions, the roller assembly 10 will rotate around the cross bearing 40.
  • FIGS. 6 and 7. When the delivery vehicle 100 is in use, when it is necessary to avoid pedestrians, first, the user starts the motor 134 by operating the controller, and the two sliding seats 131 drive the bracket 30 to move to the two roller assemblies 10. At the same end, if the pedestrian is inconvenient to cross the roller assembly 10, or the pedestrian is dragged with a trolley case, at this time, the user controls the steering of the hub motor of the two roller assemblies 10 by operating the controller, so that the two roller assemblies 10 are wound in turn.
  • the cross bearing 40 rotates 90 degrees, and at this time, a pedestrian or a trolley case can normally pass through the delivery vehicle 100.
  • the two wheel motors of a roller assembly 10 are controlled to The opposite turning causes the roller assembly 10 to rotate around the cross bearing 40 by a certain angle (for example, 30 degrees), and then controls the hub motor to rotate in the same direction, so that the delivery vehicle 100 can move along a certain curve, thereby achieving a turn Effect.
  • the angle at which the roller assembly 10 needs to rotate around the cross bearing 40 can be determined according to specific conditions.
  • Cameras 31 are respectively disposed at two ends of the bracket 30.
  • the camera 31 is used to observe the status of the front and rear channels and the situation of pedestrians, to determine whether to avoid pedestrians, how to avoid pedestrians, and when to turn.
  • the delivery vehicle 100 further includes a controller (not shown) for controlling the motor 134 of the driving device 13 and the in-wheel motor.
  • the delivery vehicle 100 may be an unmanned delivery vehicle. In use, the user can control the motor 134 and the hub motor through the controller according to the specific situation, which is convenient to use.
  • the delivery vehicle 100 is a person delivery vehicle, and its structure for avoiding pedestrians is the same as the previous embodiment, which is not repeated here.
  • the roller 11 may be provided without a hub motor, and is pushed by the user. The delivery vehicle 100 moves forward.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

一种配送车（100）包括：两个滚轮组件（10），各个滚轮（11）组件（10）分别包括两个滚轮（11）、设置于两个滚轮（11）之间的底架（12）及安装于底架（12）的驱动装置（13）；及支架（30），安装于驱动装置（13），支架（30）的宽度小于滚轮组件（10）的宽度，在驱动装置（13）的驱动下，支架（30）能够沿底架（12）在两个滚轮（11）之间移动。该配送车在移动过程中可以避让行人。

Description

配送车
本申请要求在2018年07月18日提交中国专利局、申请号为201810792413.6、发明名称为“配送车”的中国专利申请优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及一种配送车。
背景技术
目前，配送车已用于多个领域。例如，高铁等交通工具上的商品销售，主要依靠列车乘务员推动手推车在各个车厢过道来回走动实现。然而，由于车厢过道空间狭窄，手推车或传统移动机器人在移动中行动不便，无法避让来往行人，在使用中给乘客带来不便。
发明内容
本公开提供一种配送车。该配送车包括：两个滚轮组件，各个滚轮组件分别包括两个滚轮、设置于所述两个滚轮之间的底架及安装于所述底架的驱动装置；及支架，安装于所述驱动装置，所述支架的宽度小于所述滚轮组件的长度，在所述驱动装置的驱动下，所述支架能够沿所述底架在所述两个滚轮之间移动。
可选的，所述驱动装置为齿轮齿条组件，所述齿轮齿条组件包括：滑动设置于所述底架的滑动座、设置于所述底架的齿条、传动连接于所述齿条的齿轮件及固定于所述滑动座的电机，所述电机用于驱动所述齿轮件转动。
可选的，所述驱动装置为丝杠组件，所述丝杠组件包括：螺杆、螺纹连接于所述螺杆的套接件及驱动所述螺杆转动的电机，所述螺杆可转动地设置于所 述底架，所述套接件与所述支架固定连接。
可选的，所述底架包括架体及设置于所述架体两侧的导轨，所述滑动座包括座体及设置于所述座体的滑块，所述滑块可滑动地套设于所述导轨。
可选的，所述架体包括底部、自所述底部两端向上延伸而成的两个端部及连接所述两个端部的主体部，主体部的两个侧面与所述底部及所述两个端部共同形成两个收容空间，所述两个导轨分别位于所述两个收容空间内，且两个导轨两端分别与所述两个端部相连。
可选的，所述齿条固定于所述主体部，或所述齿条一体成型于所述主体部。
可选的，所述座体底面设有与所述齿条对应的凹槽，所述齿轮件在所述凹槽内与所述齿条啮合。
可选的，所述支架通过交叉轴承安装于所述驱动装置。
可选的，所述支架两端分别设置摄像头。
可选的，所述滚轮均设有轮毂电机，以驱动所述滚轮转动。
可选的，所述配送车还包括控制所述驱动装置的电机及所述轮毂电机的控制器。
本公开的配送车，其移动过程中遇到行人时，支架可以在所述驱动装置的驱动下，移动到底架的任意一端，此时行人可以从底架的另一端跨过，如此，即可实现避让行人，且结构简单，使用方便。
附图说明
图1是本公开配送车的一个实施例的立体示意图。
图2是图1所示的配送车的俯视图。
图3是图1所示的滚轮组件的立体示意图。
图4是图3所示的滚轮组件的立体分解图。
图5是图1所示的配送车的俯视图，其中支架移动到滚轮组件一端。
图6是图1所示的配送车的俯视图，其中一个滚轮组件转动90度。
图7是图1所示的配送车的俯视图，另一个滚轮组件转动90度。
图8是图1所示的配送车的俯视图，其中一个滚轮组件转动一定角度。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
在本公开使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开。在本公开和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或若干相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面结合附图，对本公开的配送车进行详细介绍。在不冲突的情况下，下述的实施例及实施方式中的特征可以相互组合。
请参阅图1至图3，本公开实施例提供一种配送车100，该配送车100可以用于高铁、火车、飞机等交通工具上销售日用品、食品、饮料等商品，也可以在上述交通工具上作为餐车使用。在其他实施例中，该配送车100还可以在工厂车间用于运送物料、成品等。以上只是配送车100应用场景的一些例子，并不限于上述例子。
在图示实施例中，配送车100为无人配送车。在其他实施例中，配送车100还包括有人配送车。
配送车100包括两个滚轮组件10及支架30。所述支架30设有一个或一个以上相互间隔的收纳腔，以放置食品、饮料等商品。所述两个滚轮组件10分别设置于支架30的前、后两端。请参阅图2，各个滚轮组件10分别包括两个滚轮11、设置于所述两个滚轮11之间的底架12及安装于所述底架12的驱动装置13。滚轮组件10的宽度通常不大于交通工具过道的宽度。支架30安装于所述驱动装置13，所述支架的宽度小于所述滚轮组件的长度，在所述驱动装置13的驱动下，所述支架30能够沿所述底架12在所述两个滚轮11之间移动，根据具体情况，所述支架30能够从所述底架12的中间位置移动到所述底架12的一端，或者从所述底架12的一端移动到所述底架12的中间位置，或者从所述底架12的一端移动到所述底架12的另一端，等等，不限于此。当配送车100在交通工具的过道内移动时，通常情况下，所述支架30位于所述底架12的中部位置，如果配送车100移动过程中遇到行人时，所述支架30可以在所述驱动装置13的驱动下，移动到所述底架12的任意一端(即靠近滚轮11的位置)，此时行人可以从底架12的另一端跨过，如此，即可实现避让行人，且结构简单，使用方便。
请结合参阅图3及图4，所述驱动装置13为齿轮齿条组件，所述齿轮齿条组件包括：滑动设置于所述底架12的滑动座131、设置于所述底架12的齿条132、传动连接于所述齿条132的齿轮件133及固定于所述滑动座131的电机134，所述电机134用于驱动所述齿轮件133转动。所述齿条132从所述底架12一端延伸至另一端，即从一个滚轮11延伸至另一个滚轮11。所述齿轮件133设置于所述电机134的输出端，电机134启动后驱动齿轮件133转动，齿轮件133带动滑动座131和电机134沿着齿条132的延伸方向移动。当两个齿轮齿条组件的电机同时启动且以一定的转动方向驱动时，两个滑动座131朝同一个方向移动，进而带动支架30移动到两个滚轮组件10的同一端，请参阅图5，如此，两个滚轮组件10的另一端即可供行人通过。当行人通过后，控制两个齿轮齿条组件的电机同时反向转动，即可使得支架30回复原位。
在另一个实施例中，所述驱动装置13为丝杠组件，所述丝杠组件包括：螺 杆、螺纹连接于所述螺杆的套接件及驱动所述螺杆转动的电机，所述螺杆可转动地设置于所述底架12，所述套接件与所述支架30固定连接。所述螺杆从所述底架12一端延伸到另一端，即从一个滚轮11延伸至另一个滚轮11。所述电机固定于所述底架12一端，电机启动后驱动所述螺杆转动，相应地，所述套接件带动支架30沿着所述螺杆的延伸方向移动。当两个丝杠组件的电机同时启动且转动方向相同时，所述套接件带动支架30朝同一个方向移动到两个滚轮组件10的同一端，如此，两个滚轮组件10的另一端即可供行人通过。当行人通过后，控制两个丝杠组件的电机同时反向转动，即可使得支架30回复原位。
请继续参阅图3及图4，所述底架12包括架体121及设置于所述架体121两侧的导轨122，所述滑动座131包括座体1311及设置于所述座体1311的滑块1312，所述滑块1312可滑动地套设于所述导轨122。通过滑块1312与导轨122的配合，滑动座131能够带动支架30稳定地沿着滚轮组件10移动。
所述架体121包括底部1211、自所述底部1211两端向上延伸而成的两个端部1212及连接所述两个端部1212的主体部1213，所述主体部1213自所述底部1211向上延伸而成且位于两个端部1212的中间位置。所述主体部1213位于两个导轨122之间。主体部1213的两个侧面与所述底部1211及所述两个端部1212共同形成两个收容空间1214，所述两个导轨122分别位于所述两个收容空间1214内，且两个导轨122两端分别与所述两个端部1212相连，如此，结构紧凑。所述齿条132固定于所述主体部1213，或所述齿条132一体成型于所述主体部1213。所述齿条132从所述主体部1213的一端延伸到另一端。如此，滑动座131能够带动支架30带动支架30沿着齿条132移动。
所述座体1311大致呈方形，座体1311底面设有与两个导轨122配合的4个滑块1312，所述4个滑块1312分别位于座体1311的四个角处。其中每个导轨122分别与2个滑块1312配合。如此，滑动座131与底架12配合稳定可靠。滑块1312可以固定于座体1311底面，也可以一体成型于座体1311。所述座体1311底面设有与所述齿条132对应的凹槽1315，所述齿轮件133在所述凹槽1315内与所述齿条132啮合。如此使得滚轮组件10整体结构更为紧凑。
在图示实施例中，所述滚轮11均设有轮毂电机(图未示)，以驱动所述滚轮11转动。所述轮毂电机固定于所述底架12。在使用时，即使交通工具发生晃动，由于所述滚轮11均由轮毂电机主动驱动，使得配送车能够稳定地移动，而不会出现因交通工具晃动而滑动的情况，且轮毂电机结构紧凑，控制灵活。
所述支架30通过交叉轴承40安装于所述驱动装置13，具体地，所述支架30通过交叉轴承40安装于滑动座131的顶面。如此，滚轮组件10可以绕所述交叉轴承40转动。当一个滚轮组件10的两个轮毂电机以不同的转向转动，则该滚轮组件10将绕所述交叉轴承40转动。
请参阅图6及图7，配送车100在使用中，当需要避让来往行人时，首先，使用者通过操作控制器来启动电机134，两个滑动座131带动支架30移动到两个滚轮组件10的同一端，如果行人不方便跨过滚轮组件10，或者行人拖有拉杆箱，此时，使用者通过操作控制器控制两个滚轮组件10的轮毂电机的转向，使得两个滚轮组件10依次绕所述交叉轴承40转动90度，此时行人或拉杆箱即可正常通过配送车100。
请参阅图8，配送车100在使用中，当需要拐弯时，比如整个列车拐弯时，车厢连接处出现弯道，售货小车需要调整行车路径时，控制一个滚轮组件10的两个轮毂电机以相反的转向转动，使得该滚轮组件10绕所述交叉轴承40转动一定角度(例如30度)，然后控制轮毂电机以相同的转向转动，即可使配送车100沿一定的曲线运动，从而达到拐弯的效果。所述滚轮组件10需要绕所述交叉轴承40转动的角度大小，可以根据具体情况来确定。
所述支架30两端分别设置摄像头31。通过摄像头31来观察前后通道的状况及来往行人的情况，来判定是否需要避让行人、如何避让行人及何时需要拐弯。
在一个实施例中，配送车100还包括用于控制所述驱动装置13的电机134及所述轮毂电机的控制器(图未示)。在该实施例中，配送车100可以为无人配送车，在使用中，使用者可以根据具体情境，通过控制器控制电机134及轮毂电机，使用方便。在另一个实施例中，配送车100为有人配送车，其避让行 人的结构与前述实施例相同，在此不再赘述，在该实施例中，滚轮11可以不设轮毂电机，由使用者推动配送车100前行。
以上所述仅是本公开的较佳实施例而已，并非对本公开做任何形式上的限制，虽然本公开已以较佳实施例揭露如上，然而并非用以限定本公开，任何熟悉本专业的技术人员，在不脱离本公开技术方案的范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本公开技术方案的内容，依据本公开的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本公开技术方案的范围内。

Claims (10)

  1. 一种配送车，包括：
    至少两个滚轮组件，各个滚轮组件分别包括两个滚轮、设置于所述两个滚轮之间的底架及安装于所述底架的驱动装置；及
    支架，安装于所述驱动装置，所述支架的宽度小于所述滚轮组件的长度，在所述驱动装置的驱动下，所述支架能够沿所述底架在所述两个滚轮之间移动。
  2. 根据权利要求1所述的配送车，所述驱动装置为齿轮齿条组件，所述齿轮齿条组件包括：滑动设置于所述底架的滑动座、设置于所述底架的齿条、传动连接于所述齿条的齿轮件及固定于所述滑动座的电机，所述电机用于驱动所述齿轮件转动。
  3. 根据权利要求1所述的配送车，所述驱动装置为丝杠组件，所述丝杠组件包括：螺杆、螺纹连接于所述螺杆的套接件及驱动所述螺杆转动的电机，所述螺杆设置于所述底架，所述套接件与所述支架固定连接。
  4. 根据权利要求2所述的配送车，所述底架包括架体及设置于所述架体两侧的导轨，所述滑动座包括座体及设置于所述座体的滑块，所述滑块可滑动地套设于所述导轨。
  5. 根据权利要求4所述的配送车，所述架体包括底部、自所述底部两端向上延伸而成的两个端部及连接所述两个端部的主体部，主体部的两个侧面与所述底部及所述两个端部共同形成两个收容空间，所述两个导轨分别位于所述两个收容空间内，且两个导轨两端分别与所述两个端部相连。
  6. 根据权利要求4所述的配送车，所述座体底面设有与所述齿条对应的凹槽，所述齿轮件在所述凹槽内与所述齿条啮合。
  7. 根据权利要求1所述的配送车，所述支架通过交叉轴承安装于所述驱动装置。
  8. 根据权利要求1所述的配送车，所述支架两端分别设置摄像头。
  9. 根据权利要求1至8任一项所述的配送车，所述滚轮均设有轮毂电机，以驱动所述滚轮转动。
  10. 根据权利要求9所述的配送车，所述配送车还包括用于控制所述驱动装置的电机及所述轮毂电机的控制器。
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