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WO2021047167A1 - 仓库穿梭车 - Google Patents

仓库穿梭车 Download PDF

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Publication number
WO2021047167A1
WO2021047167A1 PCT/CN2020/082701 CN2020082701W WO2021047167A1 WO 2021047167 A1 WO2021047167 A1 WO 2021047167A1 CN 2020082701 W CN2020082701 W CN 2020082701W WO 2021047167 A1 WO2021047167 A1 WO 2021047167A1
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WO
WIPO (PCT)
Prior art keywords
blocking member
transmission wheel
plate
transmission
fork
Prior art date
Application number
PCT/CN2020/082701
Other languages
English (en)
French (fr)
Inventor
何伟全
Original Assignee
北京京东乾石科技有限公司
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 北京京东乾石科技有限公司 filed Critical 北京京东乾石科技有限公司
Priority to JP2022513329A priority Critical patent/JP7443494B2/ja
Priority to US17/638,413 priority patent/US12091249B2/en
Priority to EP20863015.2A priority patent/EP4005949B1/en
Priority to PL20863015.2T priority patent/PL4005949T3/pl
Publication of WO2021047167A1 publication Critical patent/WO2021047167A1/zh

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    • 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
    • B65G1/0492—Storage devices mechanical with cars adapted to travel in storage aisles
    • 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
    • B65G1/06—Storage devices mechanical with means for presenting articles for removal at predetermined position or level
    • B65G1/065—Storage devices mechanical with means for presenting articles for removal at predetermined position or level with self propelled cars

Definitions

  • the present disclosure is based on the application with the CN application number 201910857686.9 and the filing date of September 9, 2019, and claims its priority.
  • the disclosure of the CN application is hereby incorporated into the present disclosure as a whole.
  • the present disclosure relates to the field of warehouse transportation equipment, and in particular, to a warehouse shuttle vehicle.
  • Fig. 1 shows a related art warehouse shuttle vehicle for transporting goods on warehouse shelves.
  • the related art warehouse shuttle includes a vehicle body 1, a fork 2 that can move relative to the vehicle body 1 to extend or retract the vehicle body 1, and a shift fork 3 installed on the fork 2.
  • the fork 2 includes two opposed and spaced plate-shaped members. The length of the plate-shaped member is consistent with the moving direction of the fork 2 and is a horizontal direction.
  • the shift fork 3 can rotate relative to the plate-shaped member to move in the first direction. Switch between the position and the second position.
  • the fork 3 In the first position, the fork 3 is perpendicular to the plate-shaped member, so that the goods 4 can move with the fork 2 relative to the car body 1, thereby moving the goods 4 from the shelf to the shuttle Or move the goods 4 from the shuttle to the shelf. In the second position, the fork 3 is erected on the inner side of the plate-shaped member.
  • the shuttle car reciprocates longitudinally on the shelf of the vertical warehouse, and pulls out the goods from the shelf storage position through the fork 2 horizontally telescopic, and the shift fork 3 lifts or pushes the goods into the shelf storage position to access the goods.
  • the shift fork 3 in the second position is erected on the inner side of the plate-shaped member, and the height of the shift fork in the second position needs to be lower than the distance between the two shelves of the warehouse.
  • the height of the shuttle determines the height of the warehouse shelf. It determines the storage density of the library.
  • a warehouse shuttle vehicle includes:
  • the fork can move relative to the vehicle body to extend or retract the vehicle body.
  • the fork includes two plate-shaped parts arranged side by side in a horizontal direction, and the two plate-shaped parts are spaced apart and arranged opposite to each other to clamp the cargo between them;
  • the foldable shift fork is mounted on the plate-shaped part of the fork and can move relative to the plate-shaped part to switch between the first state and the second state.
  • the shift fork includes a first blocking part and a first blocking part.
  • the connected second blocking member, in the first state, the first blocking member and the second blocking member are arranged side by side in a first direction intersecting the plate-shaped member, and in the second state, the first blocking member and the second blocking member overlap Set and embedded in the inside of the plate-shaped component.
  • the second blocking member is connected to the first blocking member and can rotate relative to the first blocking member.
  • the warehouse shuttle further includes a driving part for driving the shift fork to move relative to the fork, and the driving part includes:
  • the rotating shaft is rotatably installed on the support and connected with the first blocking member to drive the first blocking member to rotate;
  • the first transmission wheel is fixedly connected with the support
  • the second transmission wheel is rotatably installed on the first blocking component and fixedly connected with the second blocking component, and the second transmission wheel is in driving connection with the first transmission wheel.
  • the warehouse shuttle vehicle further includes a flexible transmission component, and the flexible transmission component is used to connect the first transmission wheel and the second transmission wheel.
  • the first transmission wheel and the second transmission wheel are both synchronous wheels, and the flexible transmission part is a synchronous belt; or
  • the first transmission wheel and the second transmission wheel are both sprockets, and the flexible transmission component is a transmission chain; or
  • the first transmission wheel and the second transmission wheel are both gears, and the first transmission wheel and the second transmission wheel mesh; or
  • the first transmission wheel and the second transmission wheel are both belt pulleys, and the flexible transmission component is a transmission belt.
  • the gear ratio of the second transmission wheel to the first transmission wheel is 1:2.
  • the first end of the first blocking member is connected to the rotating shaft, and the second transmission wheel is installed at the second end of the first blocking member.
  • the first blocking member and the second blocking member of the shift fork in the second state are arranged side by side in a direction parallel to the plate-shaped member.
  • the first blocking member and the second blocking member of the shift fork in the second state are arranged side by side in the thickness direction of the plate-shaped member.
  • the plate-shaped member is provided with a groove for placing the shift fork in the second state.
  • the first blocking member and the second blocking member overlap and are both located inside the plate-shaped member, and the first blocking member and the second blocking member of the shift fork in the second state are The blocking parts overlap in the vertical direction, thereby reducing the height of the shift fork, and improving the problem that the height of the shift fork affects the storage density of the warehouse in the related art.
  • Figure 1 shows a schematic diagram of a three-dimensional structure of a related art warehouse shuttle
  • FIG. 2 shows a schematic structural diagram of the warehouse shuttle vehicle when the shift fork is in the first state of the embodiment of the present disclosure
  • Fig. 3 shows a schematic cross-sectional view at I-I in Fig. 2;
  • Figure 4 shows a schematic top view of the structure of the warehouse shuttle shown in Figure 2;
  • FIG. 5 shows a schematic diagram of the three-dimensional structure of the shift fork of the warehouse shuttle shown in FIG. 2 according to an embodiment of the present disclosure
  • FIG. 6 shows a schematic cross-sectional structure diagram of the shift fork shown in FIG. 5;
  • FIG. 7 shows a schematic structural diagram of the warehouse shuttle vehicle when the shift fork is in the second state according to the embodiment of the present disclosure
  • Figure 8 shows a schematic view of the top structure of the warehouse shuttle shown in Figure 7;
  • Fig. 9 shows a three-dimensional structural schematic diagram of the shift fork of the warehouse shuttle shown in Fig. 7;
  • FIG. 10 shows a schematic cross-sectional structure diagram of the shift fork shown in FIG. 9.
  • FIG. 11 shows a schematic diagram of the shift fork of the embodiment of the present disclosure switching between the first state and the second state.
  • the second blocking part 2. The first blocking part; 3. The second bearing; 4. The pin shaft; 5. The second transmission wheel; 6. The flexible transmission part; 7. The first transmission wheel; 8. The rotating shaft; 9. Support; 10. First bearing; 11. Motor; 12. Car body; 14. Shift fork; 15. Fork.
  • the warehouse shuttle car of this embodiment includes a car body 12, a fork 15 that can move relative to the car body 12 to extend or retract the car body 12, and a foldable fork 15 mounted on the fork 15 ⁇ shift fork 14.
  • the fork 15 includes two plate-shaped members arranged side by side in the horizontal direction, and the two plate-shaped members are opposed and arranged at intervals to clamp the cargo therebetween.
  • the shift fork 14 is movable relative to the plate-shaped member of the fork 15 to switch between the first state and the second state.
  • the fork 14 includes a first blocking member 2 and a second blocking member 1 connected to the first blocking member 2.
  • the first blocking member 2 and the second blocking member 2 The parts 1 are arranged side by side in a direction crossing the plate-shaped parts of the fork 15 so that the goods can move with the movement of the fork 15.
  • the first blocking member 2 and the second blocking member 1 are stacked and embedded in the interior of the plate-shaped member.
  • the first blocking member 2 and the second blocking member 1 overlap in the vertical direction, thereby reducing the height of the shift fork 14 and improving the problem in the related art that the height of the shift fork 14 affects the storage density of the warehouse.
  • the warehouse shuttle also includes a driving part for driving the shift fork 14 to move relative to the fork 15.
  • the driving part includes a support 9 mounted on the plate-shaped part of the fork 15 and a rotatable ground.
  • the rotating shaft 8 mounted on the support 9, the first transmission wheel 7 fixedly connected to the support 9, the second transmission wheel 5 rotatably mounted on the first blocking member 2 and the second transmission wheel 5 for connecting And the flexible transmission part 6 of the first transmission wheel 7.
  • the rotating shaft 8 is fixedly connected with the first blocking member 2 to drive the first blocking member 2 to rotate. Therefore, the first blocking member 2 can move from a position erected inside the plate-shaped member to a position perpendicular to the plate-shaped member along with the rotation of the rotating shaft 8. Position rotation.
  • the second transmission wheel 5 is in transmission cooperation with the first transmission wheel 7 and is fixedly connected to the second blocking member 1, and the axis of the second transmission wheel 5 is parallel to and spaced apart from the axis of the rotating shaft 8. Since the second transmission wheel 5 and the first transmission wheel 7 fixed on the support 9 are connected by flexible transmission components, the second transmission wheel 5 rotates with the first blocking member 2 around the shaft 8 at the same time, the second transmission wheel 5 can rotate and drive the second blocking member 1 to rotate relative to the first blocking member 2.
  • the second blocking member 1 can rotate relative to the first blocking member 2 under the drive of the rotating second transmission wheel 5 while rotating with the first blocking member 2, so that the second blocking member 1 can be blocked by the first blocking member 1
  • the first relative position where the component 2 is folded rotates toward the second relative position side by side with the first blocking component 2 in the above-mentioned first direction.
  • the driving part also includes a motor 11 connected to the support 9, and the motor 11 is used to drive the rotating shaft 8 to rotate.
  • the motor 11 is coaxial with the rotating shaft 8.
  • the support 9 is provided with a through hole allowing the rotating shaft 8 to pass through, and the rotating shaft 8 is fixed in the mounting hole of the support 9 through the first bearing 10.
  • the first transmission wheel 7 is located at one end of the rotating shaft 8 away from the motor 11 and is fixedly connected to the support 9.
  • the rotating shaft 8 passes through a through hole on the first transmission wheel 7 and is connected to the first end of the first blocking member 2.
  • the second transmission wheel 5 is installed at the second end of the first blocking member 2.
  • the second end of the first blocking member 2 is equipped with a pin shaft 4, the second bearing 3 is sleeved on the pin shaft 4, the second transmission wheel 5 is sleeved on the second bearing 3, the inner ring and the pin of the second bearing 3
  • the shaft 4 is connected, and the outer ring of the second bearing 3 is connected with the second transmission wheel 5.
  • the end of the second blocking member 1 is connected to the second transmission wheel 5.
  • the rotation of the shaft 8 drives the first blocking member 2 to rotate.
  • the second blocking member 1 rotates with the first blocking member 2 while rotating at the same time as the second transmission wheel 5 Drive downward rotation to rotate from a position overlapping with the first blocking member 2 to a position side by side with the first blocking member 2 in the first direction, so that the shift fork 14 is switched from the second state to the first state.
  • the first transmission wheel 7 and the second transmission wheel 5 are both synchronous wheels, and the flexible transmission component 6 is a synchronous belt.
  • the first transmission wheel 7 and the second transmission wheel 5 are both sprockets, and the flexible transmission component 6 is a transmission chain.
  • the first transmission wheel 7 and the second transmission wheel 5 are both gears, and the first transmission wheel 7 and the second transmission wheel 5 are meshed.
  • the first transmission wheel 7 and the second transmission wheel 5 are both belt pulleys, and the flexible transmission component 6 is a transmission belt.
  • the gear ratio of the second transmission wheel 5 and the first transmission wheel 7 is 1:2.
  • the first blocking member 2 and the second blocking member 1 of the shift fork 14 in the second state are arranged side by side in a direction parallel to the plate-shaped member.
  • the plate-shaped member is provided with a groove for placing the shift fork 14 in the second state, and the shift fork 14 is located in the above-mentioned groove when the shift fork 14 is in the second position.
  • first blocking member 2 and the second blocking member 1 of the shift fork 14 in the second state are arranged side by side along the thickness direction of the plate-shaped member.
  • At least two shift forks 14 are installed on the two plate-shaped parts of the fork 15 of the warehouse shuttle.
  • the shift forks 14 can be lifted to the second state and dropped to the first state to Pull goods from the shelf storage position to the shuttle or push the goods on the shuttle into the shelf storage for storing and storing goods.
  • the shift fork 14 can be folded into the fork 15 when it is lifted, and can be fully extended when it is dropped.
  • the shift fork assembly includes a second blocking component 1, a first blocking component 2, a second bearing 3, a pin shaft 4, a second transmission wheel 5, a flexible transmission component 6, a first transmission wheel 7, a rotating shaft 8, a support 9,
  • the first bearing 10 and the motor 11, the support 9 is fixed to the extendable plate-shaped part of the fork 15, the motor 11 is fixed to the support 9, and the first bearing 10 is installed in the inner hole of the support 9.
  • the first transmission wheel 7 is fixedly mounted on the support 9, the rotating shaft 8 is mounted in the inner ring of the first bearing 10, the rotating shaft 8 is connected with the output shaft of the motor 11, and passes through the first fixed on the support 9
  • the inner hole of the transmission wheel 7 is fixedly connected to the first end of the first blocking member 2.
  • the pin 4 is fixedly connected to the second end of the first blocking member 2, a second bearing 3 is installed on the pin 4, the second transmission wheel 5 is sleeved on the outer ring of the second bearing 3, and the second transmission wheel 5 can be Follow the second bearing 3 to rotate around the pin 4.
  • the second blocking member 1 is fixed on the second transmission wheel 5 and can rotate with the second transmission wheel 5.
  • the flexible transmission member 6 is wound on the second transmission wheel 5 and the first transmission wheel 7 to form a transmission pair.
  • the movement of the shift fork from the dropped and extended state to the raised and folded state is realized as follows: the motor 11 drives the first blocking member 2 to rotate 90 degrees through the rotating shaft 8, and is fixed to the second transmission on the first blocking member 2
  • the wheel 5 follows the first blocking member 2 and rotates 90 degrees around the axis of the shaft 8.
  • the second transmission wheel 5 is driven by the transmission pair formed by the second transmission wheel 5, the flexible transmission member 6 and the first transmission wheel 7.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

一种仓库穿梭车，包括：车体（12）；货叉（15），可相对于车体（12）移动以伸出或缩回车体（12），货叉（15）包括沿水平方向并排布置的两个板状部件，两个板状部件间隔且相对布置以将货物夹持在其间；可折叠的拨叉（14），安装在货叉（15）的板状部件上并可相对于板状部件运动，以在第一状态和第二状态之间切换，拨叉（14）包括第一阻挡部件（2）和与第一阻挡部件（2）连接的第二阻挡部件（1），在第一状态，第一阻挡部件（2）和第二阻挡部件（1）沿与板状部件相交叉的第一方向并排布置，在第二状态，第一阻挡部件（2）和第二阻挡部件（1）叠置并均位于板状部件的内侧，该仓库穿梭车改善了拨叉的高度影响仓库的存储密度的问题。

Description

仓库穿梭车
本公开是以CN申请号为201910857686.9，申请日为2019年09月09的申请为基础，并主张其优先权，该CN申请的公开内容在此作为整体引入本公开中。
技术领域
本公开涉及仓库运输设备领域，具体而言，涉及一种仓库穿梭车。
背景技术
图1示出了一种相关技术的用于在仓库的货架上搬运货物的仓库穿梭车。如图1所示，相关技术的仓库穿梭车包括车体1、可相对于车体1运动以伸出或缩回车体1的货叉2和安装在货叉2上的拨叉3。货叉2包括两个相对且间隔设置的的板状部件，板状部件的长度方向与货叉2的移动方向一致，且为水平方向，拨叉3可相对于板状部件转动以在第一位置和第二位置之间切换，在第一位置，拨叉3垂直于板状部件，以使货物4可随货叉2相对于车体1移动，从而将货物4由货架移动至穿梭车上或将货物4由穿梭车移动至货架上。在第二位置拨叉3立设在板状部件的内侧。
穿梭车是纵向往复行进在立库货架上，通过货叉2横向伸缩、拨叉3抬落从货架储位拉出货物或将货物推进货架储位进行货物的存取。相关技术中，处于第二位置的拨叉3立设在板状部件的内侧，第二位置的拨叉的高度需低于仓库的两侧货架之间的间距。为了充分利用立库的存储空间，立库货架的层高越低，整个货架的层数就越多，越能存储更多的货物，因此，穿梭车高度决定了立库货架的层高，也就决定了立库的存储密度。
公开内容
根据本公开的一个方面，提供了一种仓库穿梭车，仓库穿梭车包括：
车体；
货叉，可相对于车体移动以伸出或缩回车体，货叉包括沿水平方向并排布置的两个板状部件，两个板状部件间隔且相对布置以将货物夹持在其间；
可折叠的拨叉，安装在货叉的板状部件上并可相对于板状部件运动，以在第一状态和第二状态之间切换，拨叉包括第一阻挡部件和与第一阻挡部件连接的第二阻挡部 件，在第一状态，第一阻挡部件和第二阻挡部件沿与板状部件相交叉的第一方向并排布置，在第二状态，第一阻挡部件和第二阻挡部件叠置并嵌设于板状部件的内部。
在一些实施例中，第二阻挡部件与第一阻挡部件连接的并可相对于第一阻挡部件转动。
在一些实施例中，仓库穿梭车还包括用于驱动拨叉相对于货叉运动的驱动部，驱动部包括：
支座，安装在板状部件上；
转轴，可转动地安装在支座上，并与第一阻挡部件连接，以带动第一阻挡部件转动；
第一传动轮，与支座固定连接；
第二传动轮，可转动地安装在第一阻挡部件上，并与第二阻挡部件固定连接，第二传动轮和第一传动轮传动连接。
在一些实施例中，仓库穿梭车还包括挠性传动部件，挠性传动部件用于连接第一传动轮和第二传动轮。
在一些实施例中，
第一传动轮和第二传动轮均为同步轮，挠性传动部件为同步带；或
第一传动轮和第二传动轮均为链轮，挠性传动部件为传动链条；或
第一传动轮和第二传动轮均为齿轮，第一传动轮和第二传动轮啮合；或
第一传动轮和第二传动轮均为皮带轮，挠性传动部件为传动皮带。
在一些实施例中，第二传动轮和第一传动轮的齿数比为1比2。
在一些实施例中，第一阻挡部件的第一端与转轴连接，第二传动轮安装在第一阻挡部件的第二端。
在一些实施例中，处于第二状态的拨叉的第一阻挡部件和第二阻挡部件沿平行于板状部件的方向并排布置。
在一些实施例中，处于第二状态的拨叉的第一阻挡部件和第二阻挡部件沿板状部件的厚度方向并排布置。
在一些实施例中，板状部件上设置有用于安置处于第二状态的拨叉的凹槽。
应用本公开的技术方案，拨叉处于第二状态时，第一阻挡部件和第二阻挡部件叠置并均位于板状部件的内侧，处于第二状态的拨叉的第一阻挡部件和第二阻挡部件在竖直方向上重叠，从而降低了拨叉的高度，改善了相关技术中存在的拨叉的高度影响 仓库的存储密度的问题。
附图说明
构成本公开的一部分的附图用来提供对本公开的进一步理解，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1示出了相关技术的仓库穿梭车的立体结构示意图；
图2示出了本公开的实施例的拨叉处于第一状态时的仓库穿梭车的结构示意图；
图3示出了图2中I-I处的截面示意图；
图4示出了图2所示的仓库穿梭车的俯视结构示意图；
图5示出了本公开的实施例的图2所示的仓库穿梭车的拨叉的立体结构示意图；
图6示出了图5所示的拨叉的截面结构示意图；
图7示出了本公开的实施例的拨叉处于第二状态时的仓库穿梭车的结构示意图；
图8示出了图7所示的仓库穿梭车的俯视结构示意图；
图9示出了图7所示的仓库穿梭车的拨叉的立体的结构示意图；
图10示出了图9所示的拨叉的截面结构示意图；以及
图11示出了本公开的实施例的拨叉在第一状态和第二状态之间切换的示意图。
图中：
1、第二阻挡部件；2、第一阻挡部件；3、第二轴承；4、销轴；5、第二传动轮；6、挠性传动部件；7、第一传动轮；8、转轴；9、支座；10、第一轴承；11、电机；12、车体；14、拨叉；15、货叉。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚明白，下面结合实施方式和附图，对本公开做进一步详细说明。在此，本公开的示意性实施方式及其说明用于解释本公开，但并不作为对本公开的限定。
结合图2至11所示，本实施例的仓库穿梭车包括车体12、可相对于车体12移动以伸出或缩回车体12的货叉15和安装在货叉15上的可折叠的拨叉14。
货叉15包括沿水平方向并排布置的两个板状部件，两个板状部件相对且间隔布置以将货物夹持在其间。
拨叉14可相对于货叉15的板状部件运动以在第一状态和第二状态之间切换。如 图2至6所示，拨叉14包括第一阻挡部件2和与第一阻挡部件2连接的第二阻挡部件1，拨叉14处于第一状态时，第一阻挡部件2和第二阻挡部件1沿与货叉15的板状部件相交叉的方向并排布置，以使货物能够随货叉15的移动而移动。
如图7至10所示，拨叉14处于第二状态时，第一阻挡部件2和第二阻挡部件1叠置并嵌设于板状部件的内部，处于第二状态的拨叉14的第一阻挡部件2和第二阻挡部件1在竖直方向上重叠，从而降低了拨叉14的高度，改善了相关技术中存在的拨叉14的高度影响仓库的存储密度的问题。
结合图5至6所示，仓库穿梭车还包括用于驱动拨叉14相对于货叉15运动的驱动部，驱动部包括安装在货叉15的板状部件上的支座9、可转动地安装在支座9上的转轴8、固定连接在支座9上的第一传动轮7、可转动地安装在第一阻挡部件2上的第二传动轮5和用于连接第二传动轮5和第一传动轮7的挠性传动部件6。
转轴8与第一阻挡部件2固定连接，以带动第一阻挡部件2转动，因此第一阻挡部件2可随转轴8的转动由立设在板状部件的内部的位置朝与板状部件垂直的位置转动。
第二传动轮5与第一传动轮7传动配合并与第二阻挡部件1固定连接，第二传动轮5的轴线与转轴8的轴线平行且间隔设置。由于第二传动轮5和固定在支座9上的第一传动轮7通过挠性传动部件连接，因此在第二传动轮5随第一阻挡部件2绕转轴8转动的同时，第二传动轮5能够自转并带动第二阻挡部件1相对于第一阻挡部件2转动。
因此第二阻挡部件1在随第一阻挡部件2转动的同时还能够在自转的第二传动轮5的带动下相对于第一阻挡部件2转动，以使第二阻挡部件1由与第一阻挡部件2折叠的第一相对位置朝与第一阻挡部件2沿上述的第一方向并排的第二相对位置转动。
驱动部还包括与支座9连接的电机11，电机11用于带动转轴8转动。优选地，电机11与转轴8同轴。支座9上设置有允许转轴8穿过的通孔，转轴8通过第一轴承10固定在支座9的安装孔内。
第一传动轮7位于转轴8的远离电机11的一端，并与支座9固定连接。转轴8穿过第一传动轮7上的通孔与第一阻挡部件2的第一端连接。第二传动轮5安装在第一阻挡部件2的第二端。第一阻挡部件2的第二端安装有销轴4，第二轴承3套设在销轴4上，第二传动轮5套设在第二轴承3上，第二轴承3的内圈和销轴4连接，第二轴承3的外圈与第二传动轮5连接。
第二阻挡部件1的端部与第二传动轮5连接，转轴8转动带动第一阻挡部件2转动，第二阻挡部件1随第一阻挡部件2转动的同时在自转的第二传动轮5的带动下转动，以由与第一阻挡部件2叠置的位置朝与第一阻挡部件2沿第一方向并排的位置转动，从而使得拨叉14由第二状态切换为第一状态。
在一些实施例中，第一传动轮7和第二传动轮5均为同步轮，挠性传动部件6为同步带。在另一些实施例中，第一传动轮7和第二传动轮5均为链轮，挠性传动部件6为传动链条。在另一些实施例中，第一传动轮7和第二传动轮5均为齿轮，且第一传动轮7和第二传动轮5啮合。在另一些实施例中，第一传动轮7和第二传动轮5均为皮带轮，挠性传动部件6为传动皮带。
第二传动轮5和第一传动轮7的齿数比为1比2。在第一阻挡部件2由竖直方向转动至垂直于板状部件的方向的过程中，第二阻挡部件1由与第一阻挡部件2叠置转动至与第一阻挡部件2沿垂直于板状部件的方向并排布置。
如图8至10所示，处于第二状态的拨叉14的第一阻挡部件2和第二阻挡部件1沿平行于板状部件的方向并排布置。板状部件上设置有用于安置处于第二状态的拨叉14的凹槽，拨叉14处于第二位置时位于上述的凹槽中。
在另一些可选的实施例中，处于第二状态的拨叉14的第一阻挡部件2和第二阻挡部件1沿板状部件的厚度方向并排布置。
如图2至11所示，仓库穿梭车的货叉15的两个板状部件上均安装有至少两个拨叉14，拨叉14可抬起至第二状态和下落至第一状态，以实现从货架储位拉出货物到穿梭车上或将穿梭车上货物推进货架储位来进行货物的存取，拨叉14抬起时可折叠到货叉15内部，落下时可完全伸出，拨叉组件包括第二阻挡部件1、第一阻挡部件2、第二轴承3、销轴4、第二传动轮5、挠性传动部件6、第一传动轮7、转轴8、支座9、第一轴承10和电机11，支座9固接在货叉15的可伸出的板状部件上，电机11固接于支座9上，第一轴承10安装在支座9的内孔中，第一传动轮7固定安装在支座9上，转轴8安装于第一轴承10的内圈中，转轴8与电机11的输出轴连接，并穿过固接在支座9上的第一传动轮7的内孔中且与第一阻挡部件2的第一端固接。
销轴4固接在第一阻挡部件2的第二端，销轴4上安装有第二轴承3，第二传动轮5套接在第二轴承3的外圈上，第二传动轮5可随第二轴承3绕销轴4旋转。第二阻挡部件1固接在第二传动轮5上，可随第二传动轮5一起旋转，挠性传动部件6缠绕在第二传动轮5和第一传动轮7上，形成传动副。
拨叉从落下、伸出状态变化到抬起、折叠状态的动作是这样实现的：电机11通过转轴8驱动第一阻挡部件2旋转90度，固接于第一阻挡部件2上的第二传动轮5跟随第一阻挡部件2共同围绕转轴8的轴线旋转90度，同时由于第二传动轮5、挠性传动部件6和第一传动轮7形成的传动副的作用下使得第二传动轮5产生自转，由此带动固接于第二传动轮5上的第二阻挡部件1一起旋转，因为第二传动轮5和第一传动轮7的齿数比设置为1比2，因此，第一阻挡部件2旋转90度，第二阻挡部件1便以相反的方向旋转180度，从而第二阻挡部件1折叠后与第一阻挡部件2重叠，拨叉机构整个高度降低，且进入货叉之内，不增加车体高度。
拨叉从抬起、折叠状态变化到落下、伸出状态的动作与上述动作相反。
以上所述仅为本公开的示例性实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (10)

  1. 一种仓库穿梭车，包括：
    车体(12)；
    货叉(15)，可相对于所述车体(12)移动以伸出或缩回所述车体(12)，所述货叉(15)包括沿水平方向并排布置的两个板状部件，两个板状部件间隔且相对布置以将货物夹持在其间；
    可折叠的拨叉(14)，安装在货叉(15)的板状部件上并可相对于所述板状部件运动，以在第一状态和第二状态之间切换，所述拨叉(14)包括第一阻挡部件(2)和与第一阻挡部件(2)连接的第二阻挡部件(1)，在所述第一状态，所述第一阻挡部件(2)和第二阻挡部件(1)沿与所述板状部件相交叉的第一方向并排布置，在所述第二状态，所述第一阻挡部件(2)和所述第二阻挡部件(1)叠置并嵌设于所述板状部件的内部。
  2. 根据权利要求1所述的仓库穿梭车，其中所述第二阻挡部件(1)与第一阻挡部件(2)连接并可相对于第一阻挡部件(2)转动。
  3. 根据权利要求1所述的仓库穿梭车，还包括用于驱动所述拨叉(14)相对于所述货叉(15)运动的驱动部，所述驱动部包括：
    支座(9)，安装在所述板状部件上；
    转轴(8)，可转动地安装在所述支座(9)上，并与所述第一阻挡部件(2)连接，以带动所述第一阻挡部件(2)转动；
    第一传动轮(7)，与所述支座(9)固定连接；
    第二传动轮(5)，可转动地安装在所述第一阻挡部件(2)上，并与所述第二阻挡部件(1)固定连接，所述第二传动轮(5)和所述第一传动轮(7)传动连接。
  4. 根据权利要求3所述的仓库穿梭车，还包括挠性传动部件(6)，所述挠性传动部件(6)用于连接所述第一传动轮(7)和所述第二传动轮(5)。
  5. 根据权利要求4所述的仓库穿梭车，其中，
    所述第一传动轮(7)和所述第二传动轮(5)均为同步轮，所述挠性传动部件(6)为同步带；或
    所述第一传动轮(7)和所述第二传动轮(5)均为链轮，所述挠性传动部件(6)为传动链条；或
    所述第一传动轮(7)和所述第二传动轮(5)均为齿轮，所述第一传动轮(7)和所述第二传动轮(5)啮合；或
    所述第一传动轮(7)和所述第二传动轮(5)均为皮带轮，所述挠性传动部件(6)为传动皮带。
  6. 根据权利要求5所述的仓库穿梭车，其中所述第二传动轮(5)和所述第一传动轮(7)的齿数比为1比2。
  7. 根据权利要求3所述的仓库穿梭车，其中所述第一阻挡部件(2)的第一端与所述转轴(8)连接，所述第二传动轮(5)安装在所述第一阻挡部件(2)的第二端。
  8. 根据权利要求1所述的仓库穿梭车，其中处于所述第二状态的拨叉(14)的第一阻挡部件(2)和所述第二阻挡部件(1)沿平行于所述板状部件的方向并排布置。
  9. 根据权利要求1所述的仓库穿梭车，其中处于所述第二状态的拨叉(14)的第一阻挡部件(2)和所述第二阻挡部件(1)沿所述板状部件的厚度方向并排布置。
  10. 根据权利要求1所述的仓库穿梭车，其中所述板状部件上设置有用于安置处于所述第二状态的所述拨叉(14)的凹槽。
PCT/CN2020/082701 2019-09-09 2020-04-01 仓库穿梭车 WO2021047167A1 (zh)

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