WO2021104139A1 - 运载车 - Google Patents

运载车 Download PDF

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Publication number
WO2021104139A1
WO2021104139A1 PCT/CN2020/129987 CN2020129987W WO2021104139A1 WO 2021104139 A1 WO2021104139 A1 WO 2021104139A1 CN 2020129987 W CN2020129987 W CN 2020129987W WO 2021104139 A1 WO2021104139 A1 WO 2021104139A1
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WO
WIPO (PCT)
Prior art keywords
vehicle body
vehicle
rotating shaft
fixed
wheel
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Application number
PCT/CN2020/129987
Other languages
English (en)
French (fr)
Inventor
唐红兵
陈泽宽
Original Assignee
阿里巴巴集团控股有限公司
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Publication date
Application filed by 阿里巴巴集团控股有限公司 filed Critical 阿里巴巴集团控股有限公司
Publication of WO2021104139A1 publication Critical patent/WO2021104139A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
    • B62D61/10—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with more than four wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical

Definitions

  • This application relates to a vehicle.
  • the present application provides a vehicle for transporting goods, which can effectively improve the efficiency in the sorting process.
  • One aspect of the present application provides a vehicle including a first vehicle body, a second vehicle body, and a lifting device connected to the first vehicle body, the first vehicle body including first wheels, and the second vehicle body
  • the body includes a second wheel, and the moving direction of the first wheel is different from the moving direction of the second wheel.
  • the lifting device drives the second vehicle body to move downward relative to the first vehicle body, so that the The second wheel drives the vehicle to move, and the lifting device drives the second vehicle body to move upward relative to the first vehicle body, so that the first wheel drives the vehicle to move.
  • the lifting device includes a connecting piece and a matching shaft connected to the connecting piece, the second vehicle body includes a limiting hole, the matching shaft is assembled to the limiting hole, and the connecting piece rotates to The matching shaft is driven to rotate, and the matching shaft drives the second vehicle body to move relative to the first vehicle body.
  • the lifting device includes a first rotating shaft, a second rotating shaft, a worm wheel fixed to the first rotating shaft, and a worm fixed to the second rotating shaft, the connecting member is fixed to the first rotating shaft, the The worm is matched with the worm wheel, so that the second rotating shaft rotates to drive the connecting member to rotate.
  • the lifting device includes a power source, a first rotating member fixed to the power source, and a second rotating member fixed to the second rotating shaft, and the first rotating member cooperates with the second rotating member , So that the power source can drive the second rotating shaft to rotate.
  • the central axis of the first rotating member is perpendicular to the central axis of the second rotating member.
  • the second vehicle body includes a second base plate, a plurality of limiting members fixed to the second base plate, a third shaft limited to the limiting member, and the limiting hole is provided in the The limiting member, the second wheel is assembled to the third rotating shaft.
  • the second substrate includes a window for allowing the lifting device to pass through.
  • the carrier vehicle further includes a cargo carrying device, the first car body and the second car body are located below the cargo carrying device, and the first car body is fixed to the cargo carrying device.
  • the first vehicle body includes a holding member
  • the second vehicle body includes a perforation through which the holding member passes
  • the cargo carrying device is fixed to the holding member.
  • the cargo loading device includes a cargo substrate for carrying articles and a detection device fixed to the cargo substrate, and the detection device is used for detecting the rising or falling height of the second vehicle body.
  • the lifting device of the carrier vehicle of the embodiment of the present application drives the second vehicle body to move downward relative to the first vehicle body, so that the second wheel drives the vehicle to move, and the lifting device drives the second vehicle body.
  • the vehicle body moves upward relative to the first vehicle body, so that the first wheel drives the vehicle to move, so that the vehicle in the embodiment of the present application can automatically switch directions instead of manual transportation, which effectively improves the sorting process. s efficiency.
  • Fig. 1 is a schematic diagram of a vehicle according to an embodiment of the present application.
  • Figure 2 is a perspective view of a first body of the vehicle according to the embodiment of the present application.
  • Figure 3 is a perspective view of the lifting device of the first vehicle body shown in Figure 2;
  • Fig. 4 is a perspective view of the second body of the vehicle according to the embodiment of the present application.
  • Figure 5 is a perspective view of the first vehicle body and the second vehicle body of the present application after being assembled
  • Fig. 6 is a bottom view of the cargo loading device of the truck according to the embodiment of the present application.
  • the truck of the embodiment of the present application can be used in supermarkets, stores, logistics warehouses, etc. to transport goods.
  • the sorting staff sorts the items according to the order information, and puts the sorted items on the truck to transport the items to the courier for distribution.
  • the transportation vehicle of the embodiment of the present application includes a first vehicle body 1, a second vehicle body 2 and a cargo loading device 3.
  • the first car body 1 and the second car body 2 are located below the cargo loading device 3, which can increase the cargo area of the cargo loading device 3, and at the same time, reduce the overall occupation of the truck Space to meet the needs of miniaturization.
  • the first vehicle body 1 includes a first base plate 10, a first wheel set 11 limited to the first base plate 10, a lifting device 12 and a first power source 13, connected to The plurality of holding members 14 of the first base plate 10, the third rotating member 15 connected to the first power source 13, and the fourth rotating member 16 connected to the first wheel set 11.
  • the first wheel set 11 includes a rotating shaft 110 and a pair of first wheels 111 connected to the rotating shaft 110.
  • the fourth rotating member 16 is fixed to the rotating shaft 110.
  • the third rotating member 15 cooperates with the fourth rotating member 16 so that the first power source 13 can drive the rotating shaft 110 and the first wheel 111 to rotate.
  • the third rotating member 15 is perpendicular to the central axis of the fourth rotating member 16.
  • the third rotating member 15 and the fourth rotating member 16 are matched with each other through teeth.
  • the first power source 13 may be a device that provides power output, such as a servo motor, a stepping motor, and the like.
  • the lifting device 12 includes a fixing member 120 fixed to the first base plate 10 and/or the cargo loading device 3, a power source 121 fixed to the fixing member 120, and a second position limited to the fixing member 120.
  • the lifting device 12 includes two worm wheels 127, two worm shafts 126, four connecting members 128, and four mating shafts 129.
  • the fixing member 120 includes a plurality of plate-shaped members 1201. One or all of the plurality of plate-shaped members 1201 are fixed to the first substrate 10 and/or the cargo device 3. One or more of the plurality of plate-shaped members 1201 are respectively used to limit the power source 121, the second rotating shaft 122 and the first rotating shaft 123.
  • the power source 121 may be a device that provides power output, such as a servo motor, a stepping motor, and the like.
  • the first rotating member 124 cooperates with the second rotating member 125 so that the power source 121 can drive the second rotating shaft 122 to rotate, the second rotating shaft 122 drives the worm 126 to rotate, and the worm 126
  • the worm wheel 127 is driven to rotate, the worm wheel 127 drives the first rotating shaft 123 to rotate, and the first rotating shaft 123 drives the connecting member 128 to rotate.
  • the first rotating member 124 is perpendicular to the central axis of the second rotating member 125.
  • the first rotating member 124 and the second rotating member 125 cooperate with each other through teeth.
  • the first rotating shaft 123 and the mating shaft 129 are approximately located at two corresponding ends of the connecting member 128.
  • the connecting member 128 rotates, the matching shaft 129 is driven to move toward or away from the first substrate 10.
  • the second vehicle body 2 includes a second base plate 20, a second power source 21 fixed to the second base plate 20, and a plurality of limit members 22, which are limited to the limit A pair of third rotating shafts 23 of the positioning member 22, a second wheel 24 assembled to the third rotating shaft 23, and a plurality of guide wheels 25 connected to the second base plate 20.
  • the second vehicle body 2 includes four limiting members 22, two third rotating shafts 23 and four second wheels 24.
  • the second substrate 20 includes a window 202 and a plurality of through holes 201.
  • the window 202 is used for the lifting device 12 of the first vehicle body 1 to pass through.
  • the perforation 201 allows the holding member 14 of the first vehicle body 1 to pass through, so as to limit the second vehicle body 2 to the first vehicle body 1.
  • the limiting member 22 includes a limiting hole 220.
  • the mating shaft 129 of the lifting device 12 is assembled to the limiting hole 220.
  • the mating shaft 129 moves toward or away from the first base plate 10
  • the second vehicle body 2 is driven to move toward or away from the first base plate 10.
  • the limiting member 22 can be welded or assembled and fixed to the second substrate 20, and can also be integrally formed with the second substrate 20.
  • the guide wheel 25 is stuck inside the track and slides laterally through contact with the edge of the track to correct the direction of the vehicle.
  • the lifting device 12 works to make the The second vehicle body 2 moves in a direction close to the first base plate 10 until the second wheel 24 touches the ground, and when the first wheel 111 is suspended in the air, the second wheel 24 drives the vehicle toward the second Direction movement.
  • the first direction is perpendicular to the second direction.
  • the angle between the first direction and the second direction can be any angle. This application does not There is no restriction on the switching direction of the truck.
  • the lifting device is controlled to start in a wireless manner to drive the second vehicle body 2 to rise or fall to change the direction of movement of the vehicle.
  • the vehicle includes a control board (not shown). Electronic products loaded with programs, such as a computer, send signals.
  • the control board receives the signals and controls the power source 121 to start, so as to drive the second vehicle body 2 to rise or Descend to change the direction of movement of the truck. This application does not limit the control method of the vehicle.
  • the cargo carrying device 3 includes a cargo substrate 30 for carrying objects and a detection device 31 fixed to the cargo substrate 30.
  • the detection device 31 is used to detect the rising or falling height of the second vehicle body 2.
  • the power source 121 stops working.
  • the power source 121 maintains the moment of inertia, and the self-locking function of the worm wheel 127 and the worm 126 makes the second vehicle
  • the body 2 is maintained at a certain height, and the second gear 24 operates to drive the truck to move in the second direction.
  • the detecting device 31 may be a device capable of detecting distance, such as a sensor.
  • the lifting device 12 drives the second vehicle body 2 to rise or fall through the rotation of the connecting member 128.
  • a retractable top rod can also be used to drive the second vehicle body 2 up or down, so as to switch between the first wheel 111 and the second wheel 24 to change the carrying capacity. The direction of movement of the car.
  • the lifting device 12 uses a worm wheel 127 to cooperate with a worm 126 to drive the connecting member 128 to rotate.
  • the connecting member 128 can also be driven to rotate by means of, for example, gear transmission.
  • the vehicle of the embodiment of the present application includes a first vehicle body 1 and a second vehicle body 2 and a lifting device 12 connected to the first vehicle body 1.
  • the first vehicle body 1 includes first wheels 111
  • the first vehicle body 1 includes first wheels 111.
  • the second vehicle body 2 includes a second wheel 24.
  • the moving direction of the first wheel 111 is different from the moving direction of the second wheel 24.
  • the lifting device 12 drives the second vehicle body 2 relative to the first vehicle.
  • the body 1 moves downward, so that the second wheel 24 drives the carrier vehicle to move, and the lifting device 12 drives the second vehicle body 2 to move upward relative to the first vehicle body 1, so that the first wheel 111 drives the carrier to move, so that the carrier of the embodiment of the present application can automatically switch directions.
  • the carrier replaces manual transportation, effectively improving the efficiency of the sorting process;
  • the lifting device 12 uses a worm wheel 127 and a worm 126 Cooperate to drive the connecting member 128 to rotate, and further drive the second vehicle body 2 to rise or fall, so as to switch between the first wheel 111 and the second wheel 24, so as to change the vehicle’s performance
  • the worm wheel 127 and the worm 126 have a self-locking function, no additional self-locking mechanism is required, the structure is simple and the cost is reduced;
  • the carrier vehicle includes a cargo device 3, the first vehicle body 1 and the vehicle The second vehicle body 2 is located below the cargo loading device 3, which can increase the cargo loading area of the cargo loading device 3, and at the same time, reduce the space occupied by the entire truck to meet the needs of miniaturization.

Abstract

一种运载车，包括第一车体(1)与第二车体(2)以及连接至第一车体(1)的升降装置(12)，第一车体(1)包括第一车轮(111)，第二车体(2)包括第二车轮(24)，第一车轮(111)的移动方向与第二车轮(24)的移动方向不同，升降装置(12)带动第二车体(2)相对第一车体(1)向下移动，使得第二车轮(24)带动运载车运动，升降装置(12)带动第二车体(2)相对第一车体(1)向上移动，使得第一车轮(111)带动运载车运动。运载车可自动切换方向，代替人工进行运送，有效地提高分拣过程中的效率。

Description

运载车
本申请要求2019年11月28日递交的申请号为201922120617.8、实用新型名称为“运载车”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及一种运载车。
背景技术
随着网上超市或现实超市网络化的发展，订单量日益增大，如何在节省人力和空间的条件下，依据客户订单快速完成商品分拣，提高商品供给的时效，成为了商品销售的一个影响因素。目前，超市大多使用人工分拣，人工运送，效率低下。
实用新型内容
本申请提供一种用于运输物品的运载车，可有效地提高分拣过程中的效率。
本申请的一个方面提供一种运载车，包括第一车体与第二车体以及连接至所述第一车体的升降装置，所述第一车体包括第一车轮，所述第二车体包括第二车轮，所述第一车轮的移动方向与所述第二车轮的移动方向不同，所述升降装置带动所述第二车体相对所述第一车体向下移动，使得所述第二车轮带动所述运载车运动，所述升降装置带动所述第二车体相对所述第一车体向上移动，使得所述第一车轮带动所述运载车运动。
进一步地，所述升降装置包括连接件以及连接至所述连接件的配合轴，所述第二车体包括限位孔，所述配合轴组装至所述限位孔，所述连接件转动以带动所述配合轴转动，所述配合轴带动所述第二车体相对所述第一车体移动。
进一步地，所述升降装置包括第一转轴、第二转轴、固定至所述第一转轴的蜗轮以及固定至所述第二转轴的蜗杆，所述连接件固定至所述第一转轴，所述蜗杆与所述蜗轮配合，使得所述第二转轴转动以带动所述连接件转动。
进一步地，所述升降装置包括动力源、固定至所述动力源的第一转动件以及固定至所述第二转轴的第二转动件，所述第一转动件与所述第二转动件配合，使得所述动力源可带动所述第二转轴转动。
进一步地，所述第一转动件的中心轴与所述第二转动件的中心轴垂直。
进一步地，所述第二车体包括第二基板、固定至所述第二基板的多个限位件、限位 至所述限位件的第三转轴，所述限位孔设置于所述限位件，所述第二车轮组装至所述第三转轴。
进一步地，所述第二基板包括窗口，所述窗口用于供所述升降装置穿过。
进一步地，所述运载车还包括载货装置，所述第一车体与所述第二车体位于所述载货装置的下方，所述第一车体固定至所述载货装置。
进一步地，所述第一车体包括固持件，所述第二车体包括穿孔，所述穿孔供所述固持件穿过，所述载货装置固定至所述固持件。
进一步地，所述载货装置包括用于承载物品的载货基板以及固定至所述载货基板的检测装置，所述检测装置用于检测所述第二车体上升或者下降的高度。
本申请实施方式的运载车的升降装置带动所述第二车体相对所述第一车体向下移动，使得所述第二车轮带动所述运载车运动，所述升降装置带动所述第二车体相对所述第一车体向上移动，使得所述第一车轮带动所述运载车运动，使得本申请实施方式的运载车可自动切换方向，代替人工进行运送，有效地提高分拣过程中的效率。
附图说明
图1是本申请实施方式的运载车的示意图；
图2是本申请实施方式的运载车的第一车体的立体图；
图3是图2所示的第一车体的升降装置的立体图；
图4本申请实施方式的运载车的第二车体的立体图；
图5本申请第一车体与第二车体组装后的立体图；
图6本申请实施方式的运载车的载货装置的底视图。
具体实施方式
这里将详细地对示例性实施方式进行说明，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。以下示例性实施方式中所描述的实施方式并不代表与本申请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、本申请的一些方面相一致的装置的例子。
在本申请使用的术语是仅仅出于描述特定实施方式的目的，而非旨在限制本申请。除非另作定义，本申请使用的技术术语或者科学术语应当为本申请所属领域内具有一般技能的人士所理解的通常意义。本申请说明书以及权利要求书中使用的“第一”“第 二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。“多个”或者“若干”表示两个及两个以上。除非另行指出，“前部”、“后部”、“下部”和/或“上部”等类似词语只是为了便于说明，而并非限于一个位置或者一种空间定向。“包括”或者“包含”等类似词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而且可以包括电性的连接，不管是直接的还是间接的。在本申请说明书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”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
参见图1所示，本申请实施方式的运载车可以使用于超市、卖场、物流仓库中等，以运输物品。比如，客户下单后，分拣人员根据订单信息分拣物品，把分拣后的物品放在运载车上，以用于将物品运输至快递人员进行配送。本申请实施方式的运载车包括第一车体1、第二车体2以及载货装置3。所述第一车体1与所述第二车体2位于所述载货装置3的下方，可以增大所述载货装置3的载货区域，同时，减小所述运载车整体占用的空间，满足小型化的需求。
参照图2至图3所示，所述第一车体1包括第一基板10、限位至所述第一基板10的第一车轮组11、升降装置12与第一动力源13、连接至所述第一基板10的多个固持件14、连接至所述第一动力源13的第三转动件15以及连接至所述第一车轮组11的第四转动件16。所述第一车轮组11包括转轴110以及连接至所述转轴110的一对第一车轮111。所述第四转动件16固定至所述转轴110。所述第三转动件15与所述第四转动件16配合，使得所述第一动力源13可带动所述转轴110以及所述第一车轮111转动。所述第三转动件15与所述第四转动件16的中心轴垂直。所述第三转动件15与所述第四转动件16通过齿部配合。所述第一动力源13可以是伺服电机、步进电机等提供动力输出的装置。
所述升降装置12包括固定至所述第一基板10和/或所述载货装置3的固定件120、固定至所述固定件120的动力源121、限位至所述固定件120的第二转轴122与一对第一转轴123、连接至所述动力源121的第一转动件124、固定至所述第二转轴122的第二转动件125与蜗杆126、固定至所述第一转轴123的蜗轮127与一对连接件128以及固定至所述连接件128的配合轴129。在图示实施方式中，所述升降装置12包括两个蜗轮 127、两个蜗杆126、四个连接件128以及四个配合轴129。
所述固定件120包括多个板状件1201。多个板状件1201的一个或者全部固定至所述第一基板10和/或所述载货装置3。多个所述板状件1201中的一个或者多个分别用于限位所述动力源121、所述第二转轴122以及所述第一转轴123。
所述动力源121可以是伺服电机、步进电机等提供动力输出的装置。所述第一转动件124与所述第二转动件125配合，使得所述动力源121可带动所述第二转轴122转动，所述第二转轴122带动所述蜗杆126转动，所述蜗杆126带动所述蜗轮127转动，所述蜗轮127带动所述第一转轴123转动，所述第一转轴123带动所述连接件128转动。所述第一转动件124与所述第二转动件125的中心轴垂直。所述第一转动件124与所述第二转动件125通过齿部配合。
所述第一转轴123与所述配合轴129大致位于所述连接件128的相对应的两个端部。当所述连接件128转动时，带动所述配合轴129向靠近或远离所述第一基板10的方向移动。
参见图4与图5所示，所述第二车体2包括第二基板20、固定至所述第二基板20的第二动力源21以及多个限位件22、限位至所述限位件22的一对第三转轴23、组装至所述第三转轴23的第二车轮24以及连接至所述第二基板20的多个导向轮25。在图示实施方式中，所述第二车体2包括四个限位件22、两个第三转轴23以及四个第二车轮24。所述第二基板20包括窗口202以及多个穿孔201。所述窗口202用于供所述第一车体1的升降装置12穿过。所述穿孔201供所述第一车体1的固持件14穿过，以把所述第二车体2限位至所述第一车体1。所述限位件22包括限位孔220。所述升降装置12的配合轴129组装至所述限位孔220。当所述配合轴129向靠近或远离所述第一基板10的方向移动时，带动所述第二车体2向靠近或远离所述第一基板10的方向移动。
所述限位件22可焊接或者组装固定至所述第二基板20，也可与所述第二基板20一体成型。当所述运载车在轨道上行驶时，所述导向轮25卡在轨道内部，通过与轨道边沿的接触横向滑动，以纠正所述运载车的方向。
当所述第一车轮111着地时，所述第二车轮24悬空，所述第一车轮111带动所述运载车朝向第一方向运动；当需要转换方向时，所述升降装置12工作，使得所述第二车体2向靠近所述第一基板10的方向移动直至所述第二车轮24着地，而所述第一车轮111悬空时，所述第二车轮24带动所述运载车朝向第二方向运动。在图示实施方式中，所述第一方向与所述第二方向垂直，在其他实施方式中，所述第一方向与所述第二方向之间 的夹角可为任意角度，本申请并不对所述运载车的转换方向进行限制。
本申请实施方式的运载车使用时，利用无线的方式控制所述升降装置启动，以带动所述第二车体2上升或者下降，来改变所述运载车的运动方向。具体地，所述运载车包括控制板(未图示)，通过装载程序的电子产品，比如电脑发出信号，控制板接收信号并控制动力源121启动，以带动所述第二车体2上升或者下降，来改变所述运载车的运动方向。本申请并不对所述运载车的控制方式进行限制。
参见图6所示，所述载货装置3包括用于承载物品的载货基板30以及固定至所述载货基板30的检测装置31。所述检测装置31用于检测所述第二车体2上升或者下降的高度。当所述第二车体2上升或者下降的特定的高度后，所述动力源121停止工作，此时，动力源121保持转动惯量，蜗轮127与蜗杆126的自锁功能使得所述第二车体2保持在特定的高度，所述第二齿轮24运转，带动所述运载车朝向第二方向运动。所述检测装置31可以是传感器等可以检测距离的装置。
在图示实施方式中，所述升降装置12通过连接件128的转动带动所述第二车体2上升或者下降。在其他实施方式中，还可使用可伸缩的顶杆带动所述第二车体2上升或者下降，以在所述第一车轮111与所述第二车轮24之间切换，以改变所述运载车的运动方向。
在图示实施方式中，所述升降装置12使用蜗轮127与蜗杆126配合，以带动所述连接件128转动。在其他实施方式中，还可通过比如齿轮传动的方式带动所述连接件128转动。
本申请实施方式的运载车包括第一车体1与第二车体2以及连接至所述第一车体1的升降装置12，所述第一车体1包括第一车轮111，所述第二车体2包括第二车轮24，所述第一车轮111的移动方向与所述第二车轮24的移动方向不同，所述升降装置12带动所述第二车体2相对所述第一车体1向下移动，使得所述第二车轮24带动所述运载车运动，所述升降装置12带动所述第二车体2相对所述第一车体1向上移动，使得所述第一车轮111带动所述运载车运动，使得本申请实施方式的运载车可自动切换方向，所述运载车代替人工运送，有效地提高分拣过程中的效率；所述升降装置12使用蜗轮127与蜗杆126配合，以带动所述连接件128转动，进一步带动所述第二车体2上升或者下降，以在所述第一车轮111与所述第二车轮24之间切换，以改变所述运载车的运动方向，所述蜗轮127与蜗杆126具有自锁定的功能，不需要额外设置自锁定机构，结构简单且降低了成本；所述运载车包括载货装置3，所述第一车体1与所述第二车体2位于所述载 货装置3的下方，可以增大所述载货装置3的载货区域，同时，减小所述运载车整体占用的空间，满足小型化的需求。
以上所述仅是本申请的较佳实施方式而已，并非对本申请做任何形式上的限制，虽然本申请已以较佳实施方式揭露如上，然而并非用以限定本申请，任何熟悉本专业的技术人员，在不脱离本申请技术方案的范围内，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方式，但凡是未脱离本申请技术方案的内容，依据本申请的技术实质对以上实施方式所作的任何简单修改、等同变化与修饰，均仍属于本申请技术方案的范围内。

Claims (10)

  1. 一种运载车，其特征在于，包括第一车体与第二车体以及连接至所述第一车体的升降装置，所述第一车体包括第一车轮，所述第二车体包括第二车轮，所述第一车轮的移动方向与所述第二车轮的移动方向不同，所述升降装置带动所述第二车体相对所述第一车体向下移动，使得所述第二车轮带动所述运载车运动，所述升降装置带动所述第二车体相对所述第一车体向上移动，使得所述第一车轮带动所述运载车运动。
  2. 根据权利要求1所述的运载车，其特征在于，所述升降装置包括连接件以及连接至所述连接件的配合轴，所述第二车体包括限位孔，所述配合轴组装至所述限位孔，所述连接件转动以带动所述配合轴转动，所述配合轴带动所述第二车体相对所述第一车体移动。
  3. 根据权利要求2所述的运载车，其特征在于，所述升降装置包括第一转轴、第二转轴、固定至所述第一转轴的蜗轮以及固定至所述第二转轴的蜗杆，所述连接件固定至所述第一转轴，所述蜗杆与所述蜗轮配合，使得所述第二转轴转动以带动所述连接件转动。
  4. 根据权利要求3所述的运载车，其特征在于，所述升降装置包括动力源、固定至所述动力源的第一转动件以及固定至所述第二转轴的第二转动件，所述第一转动件与所述第二转动件配合，使得所述动力源可带动所述第二转轴转动。
  5. 根据权利要求4所述的运载车，其特征在于，所述第一转动件的中心轴与所述第二转动件的中心轴垂直。
  6. 根据权利要求2所述的运载车，其特征在于，所述第二车体包括第二基板、固定至所述第二基板的多个限位件、限位至所述限位件的第三转轴，所述限位孔设置于所述限位件，所述第二车轮组装至所述第三转轴。
  7. 根据权利要求6所述的运载车，其特征在于，所述第二基板包括窗口，所述窗口用于供所述升降装置穿过。
  8. 根据权利要求1至7中任一项所述的运载车，其特征在于，所述运载车还包括载货装置，所述第一车体与所述第二车体位于所述载货装置的下方，所述第一车体固定至所述载货装置。
  9. 根据权利要求8所述的运载车，其特征在于，所述第一车体包括固持件，所述第二车体包括穿孔，所述穿孔供所述固持件穿过，所述载货装置固定至所述固持件。
  10. 根据权利要求8所述的运载车，其特征在于，所述载货装置包括用于承载物品 的载货基板以及固定至所述载货基板的检测装置，所述检测装置用于检测所述第二车体上升或者下降的高度。
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