WO2014019242A1 - 一种仓储系统 - Google Patents

一种仓储系统 Download PDF

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Publication number
WO2014019242A1
WO2014019242A1 PCT/CN2012/079715 CN2012079715W WO2014019242A1 WO 2014019242 A1 WO2014019242 A1 WO 2014019242A1 CN 2012079715 W CN2012079715 W CN 2012079715W WO 2014019242 A1 WO2014019242 A1 WO 2014019242A1
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WO
WIPO (PCT)
Prior art keywords
platform
sensor
cargo
lifting platform
reflecting plate
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PCT/CN2012/079715
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English (en)
French (fr)
Inventor
李贤德
吴俊豪
林昆贤
齐明虎
陈增宏
汪永强
杨卫兵
郭振华
蒋运芍
舒志优
Original Assignee
深圳市华星光电技术有限公司
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.)
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/583,004 priority Critical patent/US20140037405A1/en
Publication of WO2014019242A1 publication Critical patent/WO2014019242A1/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
    • B65G1/0407—Storage devices mechanical using stacker cranes
    • B65G1/0421—Storage devices mechanical using stacker cranes with control for stacker crane operations
    • 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
    • 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
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/10—Sequence control of conveyors operating in combination

Definitions

  • the invention relates to the field of large-scale storage equipment technology, and in particular to a storage system.
  • a stacker is a storage device that is a specialized crane that picks up, transports, and stacks cargo or picks up cargo from high-rise shelves.
  • the temporary storage equipment of the goods is used in conjunction with the stacker, and the temporary storage equipment of the goods is connected to the shelf and the stacker.
  • the cargo temporary storage device and the stacker transmit signals to each other through the signal connection line.
  • FIG. 1 is a schematic flow chart of a stacker operation in the prior art. The process includes: step 101, the stacker is running normally; step 102. determining whether the information handshake is normal, if yes, executing step 103, if not, executing step 104; step 103, the stacker continues to run; The stacker is shut down.
  • step 103 When it is judged that the information is normal, in the process of performing step 103 or during the execution of step 103, some components on the goods temporary storage device are likely to not reach the designated position due to failure or installation error, and the stacker continues to operate. If it is docked with the temporary storage equipment, a collision accident will occur, causing the stacker to stop; or the goods have been carried on the temporary storage equipment, but the preparation signal is issued due to the failure, and the stacker judges the information according to the signal. Normally, the action of storing the goods is performed, and a collision accident may occur at this time. It can be seen that the prior art stacker cannot cope with sudden safety hazards.
  • the technical problem to be solved by the present invention is to provide a storage system capable of avoiding a collision of a stacker due to a sudden safety hazard.
  • a technical solution adopted by the present invention is to provide a storage system including a cargo temporary storage device and a stacker.
  • the stacker includes a rack and a cargo platform disposed in the rack, and the cargo platform is vertically raised and lowered, having a high position and a low position, and the rack is provided with a first sensor, a second sensor, a third sensor, and The fourth sensor.
  • the cargo temporary storage equipment includes a lifting platform, a roller platform and a conveyor belt. The middle of the lifting platform is hollowed out and lifted in the vertical direction. The lifting platform has a high position and a low position. The high position of the lifting platform corresponds to the high position of the cargo platform.
  • the low position of the lifting platform corresponds to the low position of the cargo platform.
  • the lifting platform is used for the loading platform. Docking to receive the goods on the cargo platform or to deliver the goods on the lifting platform to the cargo platform.
  • the roller platform is raised and lowered in the vertical direction to partially pass through the lifting platform.
  • the roller platform has a high position and a low position, the high position of the roller platform corresponds to the high position of the lifting platform, and the low position of the roller platform corresponds to the low position of the lifting platform.
  • the conveyor belt is lifted and lowered with the lifting platform, and the lifting platform is docked with the cargo platform through a conveyor belt.
  • the cargo temporary storage device is provided with a first reflecting plate corresponding to the high position of the roller platform, and a second reflecting plate is disposed at a position corresponding to the high position of the lifting platform, and a third reflecting plate is fixedly disposed on the lifting platform, and the conveyor belt is fixedly disposed
  • the fourth reflector, the first sensor, the second sensor, the third sensor, and the fourth sensor respectively sense the first reflector, the second reflector, the third reflector, and the fourth reflector, and notify the stacker according to the sensing result Stop.
  • the lifting platform receives the goods on the loading platform, and the loading platform is at a high position: when the first sensor does not sense the first reflecting plate, and determines that the roller platform is not in the low position, the stacker is notified to stop; the second sensor does not sense the first The second reflector determines that the stacker has stopped when the cargo has been carried on the lifting platform; when the third sensor does not sense the third reflector, and determines that the lifting platform is not in the high position, the stacker is notified to stop; When the fourth reflector is not sensed, it is judged that the cargo has been carried on the conveyor belt, and the stacker is notified to stop.
  • the lifting platform sends the cargo to the cargo platform, and the cargo platform is at a high position: the first reflector is not sensed by the first sensor.
  • the stacker is notified to stop; when the second sensor senses the second reflector and determines that there is no cargo on the lifting platform, the stacker is notified to stop; the third sensor does not sense the third reflection.
  • the board notifies that the stacker is stopped when it is not in the high position; when the fourth sensor does not sense the fourth reflector, it is judged Cargo carrying belt has been sent, notification down stacker.
  • the first sensor, the second sensor, the third sensor, and the fourth sensor respectively emit infrared rays, and the first reflector, the second reflector, the third reflector, and the fourth reflector reflect the infrared rays back to the first sensor and the second The sensor, the third sensor, and the fourth sensor.
  • the first reflector, the second reflector, the third reflector, and the fourth reflector are made of a polypropionic acid ABS material.
  • a technical solution adopted by the present invention is to provide a storage system including a cargo temporary storage device and a stacker.
  • the stacker includes a rack and a cargo platform disposed in the rack.
  • the cargo platform is vertically raised and lowered, and has a high position and a low position.
  • the rack is provided with a first sensor, a second sensor and a third sensor.
  • the cargo temporary storage equipment includes a lifting platform and a roller platform.
  • the middle of the lifting platform is hollowed out and lifted in the vertical direction.
  • the lifting platform has a high position and a low position.
  • the high position of the lifting platform corresponds to the high position of the cargo platform.
  • the low position of the lifting platform corresponds to the low position of the cargo platform.
  • the lifting platform is used for the loading platform. Docking to receive the goods on the cargo platform or to deliver the goods on the lifting platform to the cargo platform.
  • the roller platform is raised and lowered in the vertical direction to partially pass through the lifting platform.
  • the roller platform has a high position and a low position, the high position of the roller platform corresponds to the high position of the lifting platform, and the low position of the roller platform corresponds to the low position of the lifting platform.
  • the cargo temporary storage device is provided with a first reflecting plate corresponding to the position of the high position of the roller platform, and a second reflecting plate is disposed at a position corresponding to the high position of the lifting platform, and a third reflecting plate is fixedly disposed on the lifting platform, the first sensor, the first The two sensors and the third sensor respectively sense the first reflector, the second reflector and the third reflector, and notify the stacker whether to stop according to the sensing result.
  • the lifting platform receives the goods on the loading platform, and the cargo platform is at a high position:
  • the stacker When the first sensor does not sense the first reflector, and determines that the roller platform is not in the low position, the stacker is notified to stop; when the second sensor does not sense the second reflector, and determines that the cargo has been carried on the lifting platform, the heap is notified.
  • the machine stops when the third sensor does not sense the third reflector, and when the lifting platform is not in the high position, the stacker is notified to stop.
  • the lifting platform sends the goods to the cargo platform, and the cargo platform is at a high level:
  • the stacker When the first sensor does not sense the first reflector, and determines that the roller platform is not in the low position, the stacker is notified to stop; when the second sensor senses the second reflector and determines that there is no cargo on the lifting platform, the stacker is notified to stop. When the third sensor does not sense the third reflector and judges that the lifting platform is not in the high position, the stacker is notified to stop.
  • the cargo temporary storage device further includes a conveyor belt, and the lifting platform is docked with the cargo platform through a conveyor belt.
  • the fourth sensor is further disposed on the frame, the fourth reflector is fixedly disposed on the conveyor belt, and the fourth sensor senses the fourth reflector.
  • the fourth sensor does not sense the fourth reflector, it is determined that the conveyor belt has been carried. Goods, notify the stacker to stop.
  • the conveyor belt is lifted and lowered with the lifting platform.
  • the first sensor, the second sensor, the third sensor, and the fourth sensor respectively emit infrared rays, and the first reflector, the second reflector, the third reflector, and the fourth reflector reflect the infrared rays back to the first sensor and the second The sensor, the third sensor, and the fourth sensor.
  • the first reflector, the second reflector, the third reflector, and the fourth reflector are made of a polypropionic acid ABS material.
  • the storage system of the embodiment of the present invention sets three reflectors on the rack of the stacker, and positions the high position of the corresponding roller platform, the position of the high position of the corresponding lifting platform, and the reflecting plate respectively on the lifting platform.
  • the three sensors respectively sense three reflectors, and notify the stacker whether to stop according to the sensing result, so as to avoid collision of the stacker due to sudden safety hazards.
  • FIG. 1 is a schematic flow chart of a stacker operation in the prior art
  • FIG. 2 is a schematic structural view of an embodiment of a stacker of the storage system of the present invention.
  • FIG. 3 is a schematic structural view of an embodiment of a cargo temporary storage device of the storage system of the present invention.
  • Figure 4 is a schematic view showing the operation of the cargo temporary storage device of the storage system shown in Figure 3 when the goods are accessed;
  • Figure 5 is a flow chart showing the operation of another embodiment of the warehousing system of the present invention.
  • the storage system provided by the present invention includes a cargo temporary storage device and a stacker. Please refer to FIG. 2.
  • FIG. 2 is a schematic structural view of an embodiment of a stacker of the storage system of the present invention.
  • the stacker includes a frame 210 and a cargo platform 220 disposed within the frame 210.
  • the cargo platform 220 is capable of lifting up and down in the vertical direction, having a high position and a low position, that is, the cargo platform 220 can access the goods at a high position and also access the goods at a low position.
  • the positions of the high and low positions can be adjusted according to actual conditions, and the first sensor 211, the second sensor 212 and the third sensor 213 are disposed on the frame.
  • FIG. 3 is a schematic structural diagram of an embodiment of a cargo temporary storage device of the storage system of the present invention.
  • the cargo temporary storage device includes a lifting platform 230 and a roller platform 240.
  • the middle of the lifting platform 230 is hollowed out and can be raised and lowered in the vertical direction.
  • the lifting platform 230 has a high position and a low position.
  • the high position of the lifting platform 230 corresponds to the high position of the cargo platform 220
  • the low position of the lifting platform 230 corresponds to the low position of the cargo platform 220.
  • the lifting platform 230 is adapted to interface with the cargo platform 110 to accept cargo on the cargo platform 220 or to deliver cargo on the lifting platform 230 to the cargo platform 220.
  • the roller platform 240 also moves up and down in the vertical direction to partially pass through the lifting platform 230.
  • the roller platform 240 has a high position and a low position.
  • the high position of the roller platform 240 corresponds to the high position of the lifting platform 230
  • the lower position of the roller platform 240 corresponds to the lower position of the lifting platform 230.
  • the roller platform 240 has a plurality of rollers 241. When the roller platform 240 passes through the lifting platform 230, the cargo can be lifted and the rollers 241 carry the goods out.
  • the cargo temporary storage device is provided with a first reflecting plate 251 at a position corresponding to the upper position of the roller platform 240.
  • a second reflecting plate 252 is disposed at a position corresponding to the upper position of the lifting platform 230, and a third reflecting plate 253 is fixedly disposed on the lifting platform 230.
  • the first reflecting plate 251 and the second reflecting plate 252 are fixed, and the third reflecting plate 253 moves with the lifting platform 230.
  • the first sensor 211, the second sensor 212, and the third sensor 213 sense the first reflecting plate 251, the second reflecting plate 252, and the third reflecting plate 253, respectively, and notify the stacker whether the machine is stopped according to the sensing result.
  • the principle of the first sensor 211, the second sensor 212, and the third sensor 213 is briefly described.
  • the first sensor 211 is used as an example. If the first sensor 211 does not sense the first reflector 251, the first sensor 211 is illustrated. There is an obstacle on the sensing path or the first reflecting plate 251 is not at a predetermined position.
  • the cargo temporary storage device also includes a conveyor belt (not labeled), and the lifting platform 230 interfaces with the cargo platform 220 via a conveyor belt.
  • the rack 210 of the stacker is further provided with a fourth sensor 214 (shown in FIG. 2), a fourth reflector (not labeled) is fixedly disposed on the conveyor, and the fourth sensor 214 senses the fourth reflector.
  • the sensor 214 does not sense the fourth reflector, it is judged that the cargo has been carried on the conveyor belt, and the stacker is notified to stop.
  • the conveyor belt can be raised and lowered with the lifting platform 230 to suit different occasions.
  • the first sensor 211, the second sensor 212, the third sensor 213, and the fourth sensor 214 respectively emit infrared rays, and the first reflection plate 251, the second reflection plate 252, the third reflection plate 253, and the fourth reflection plate respectively The infrared rays are reflected back to the first sensor 211, the second sensor 212, the third sensor 213, and the fourth sensor 214. If the infrared rays emitted by the four sensors are not returned, it is judged that there is an obstacle in the middle or the corresponding reflector is not at the designated position.
  • the first reflecting plate 251, the second reflecting plate 252, the third reflecting plate 253, and the fourth reflecting plate are made of a polypropionic acid ABS material.
  • FIG. 4 is a schematic diagram of the operation of the cargo temporary storage device of the storage system shown in FIG.
  • the cargo 260 is also illustrated.
  • the cargo platform 220 takes out the cargo 260, that is, the lifting platform 230 delivers the cargo 260 to the cargo platform 220, the cargo platform 220 is at a high position.
  • the stacker judges that the information of the temporary storage device is normal, it is further necessary to notify the stacker whether to stop according to the sensing result.
  • the sensing result of any one of the first sensor 211, the second sensor 212, and the third sensor 213 is abnormal, the stacker is notified to stop. Specifically, when the first sensor 211 does not sense the first reflector 251, it is determined that the roller platform 240 is not in the low position, and the stacker is notified to stop.
  • the second sensor 212 senses the second reflecting plate 252
  • the third sensor 213 does not sense the third reflecting plate 253, it is determined that the lifting platform 230 is not in the high position, and the stacker is notified to stop.
  • the cargo platform 220 can also store goods, that is, the lifting platform 230 receives the goods 260 on the cargo platform 220, and the cargo platform 220 is at a high position.
  • the first sensor 211 does not sense the first reflector 251
  • the second sensor 212 does not sense the second reflector 252
  • the third sensor 213 does not sense the third reflecting plate 253, it is determined that the lifting platform 230 is not in the high position, and the stacker is notified to stop.
  • the cargo platform 220 when the cargo platform 220 is in the low position, the goods can also be accessed. Since the cargo platform 220 is in the low position, correspondingly, the lifting platform 230 should also be in the low position, so it is necessary to add a sensor at the lower position of the corresponding lifting platform 230.
  • the working process of determining whether the stacker is stopped according to the sensing principle is similar to the working process when the cargo platform 220 is in the high position to access the cargo 260, and therefore will not be described herein.
  • the docking of the cargo temporary storage device and the stacker is at a high position, but the docking of the cargo temporary storage device and other equipment of the storage system can be at a high position or a low position, for example, the docking of the goods temporary storage device and the warehouse shelf.
  • FIG. 5 is a flow chart showing the operation of another embodiment of the storage system of the present invention.
  • the workflow of the warehousing system includes the following steps:
  • Step 301 The stacker is operating normally.
  • Step 302 Determine whether the information handshake is normal. If yes, go to step 303. If no, go to step 304.
  • the information sharing between the stacker and the cargo temporary storage device is completed through the signal connection line.
  • Step 303 Determine whether the sensing result is normal. If yes, go to step 305. If no, go to step 304.
  • the sensing results are for a variety of situations, including stackers accessing goods at high positions and accessing goods at low levels.
  • the detailed sensing process is the same as that of the previous embodiment, and therefore will not be described again here.
  • Step 304 The stacker is shut down.
  • Step 305 The stacker continues to run.
  • the storage system of the embodiment of the present invention is provided with three sensors on the frame of the stacker, and the reflector plate is respectively disposed at a position corresponding to a high position of the corresponding roller platform, a position corresponding to a high position of the lifting platform, and a lifting platform.
  • the three sensors respectively sense three reflectors, and notify the stacker whether to stop according to the sensing result, which can avoid the collision of the stacker caused by sudden safety hazards and reduce the occurrence of work safety accidents.

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  • Warehouses Or Storage Devices (AREA)

Abstract

公开了一种仓储系统，其包括货物暂存设备和堆垛机。堆垛机包括机架（210）和载货平台（220）。机架（210）上设有三个传感器（211；212；213）。货物暂存设备包括升降平台（230）和滚轮平台（240）。升降平台（230）中部镂空。载货平台（220）、升降平台（230）和滚轮平台（240）均在竖直方向上进行升降，并具有高位和低位。其中，货物暂存设备对应滚轮平台（240）的高位的位置设有第一反射板（251），对应升降平台（230）的高位的位置设有第二反射板（252），升降平台（230）上固定设置有第三反射板（253），三个传感器（211；212；213）分别感应三个反射板（251；252；253），根据感应结果通知堆垛机是否停机。通过上述方式，所述仓储系统能够避免因突发安全隐患而引起堆垛机发生撞机。

Description

一种仓储系统
【技术领域】
本发明涉及大型仓储设备技术领域，特别是涉及一种仓储系统。
【背景技术】
堆垛机是一种仓储设备，是一种用货叉或串杆攫取、搬运和堆垛或从高层货架上存取货物的专用起重机。在仓储领域中，将货物暂存设备与堆垛机配合运用，货物暂存设备连接货架与堆垛机。在实际应用中，通常货物暂存设备与堆垛机通过信号连接线互相传输信号，在存取货物时，货物暂存设备处于准备状态时，通知堆垛机，堆垛机在进行相应的存取货物的动作。
但是，现有技术中货物暂存设备和堆垛机之间虽然通过信号线通信，能够判断信息交握是否正常，但也会发生突发安全隐患引起的工作安全事故。例如，如图1所示，图1是现有技术一种堆垛机运行的流程示意图。该流程包括：步骤101，堆垛机正常运行；步骤102.判断信息交握是否正常，若是，则执行步骤103，若否，则执行步骤104；步骤103，堆垛机继续运行；步骤104，堆垛机停机。当判断信息交握正常，在执行步骤103之前或执行步骤103过程中，货物暂存设备上的某些部件很有可能因为故障或安装误差等原因没有到达指定位置，而堆垛机继续运行，与货物暂存设备对接，就会发生撞机事故，导致堆垛机停机；或者货物暂存设备上已经承载有货物，但是却因故障发出准备信号，而堆垛机又根据信号判断信息交握正常，执行存放货物的动作，此时也会发生撞机事故。可见，现有技术的堆垛机不能应对突发安全隐患。
【发明内容】
本发明主要解决的技术问题是提供一种仓储系统，能够避免因突发安全隐患引起堆垛机发生撞机。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种仓储系统，其包括货物暂存设备和堆垛机。堆垛机包括机架以及设于机架内的载货平台，载货平台在竖直方向上进行升降，具有高位和低位，机架上设有第一传感器、第二传感器、第三传感器和第四传感器。货物暂存设备包括升降平台、滚轮平台和传送带。升降平台中部镂空，在竖直方向上进行升降，升降平台具有高位和低位，升降平台的高位对应载货平台的高位，升降平台的低位对应载货平台的低位，升降平台用于与载货平台对接，以接收载货平台上的货物或者将升降平台上的货物送往载货平台。滚轮平台在竖直方向上进行升降，以部分穿过升降平台，滚轮平台具有高位和低位，滚轮平台的高位对应升降平台的高位，滚轮平台的低位对应升降平台的低位。传送带随升降平台进行升降，升降平台通过传送带与载货平台对接。其中，货物暂存设备对应滚轮平台的高位的位置设有第一反射板，对应升降平台的高位的位置设有第二反射板，升降平台上固定设置有第三反射板，传送带上固定设置有第四反射板，第一传感器、第二传感器、第三传感器和第四传感器分别感应第一反射板、第二反射板、第三反射板和第四反射板，根据感应结果通知堆垛机是否停机。升降平台接收载货平台上的货物，载货平台处于高位：在第一传感器感应不到第一反射板，判断滚轮平台没有处于低位时，通知堆垛机停机；在第二传感器感应不到第二反射板，判断升降平台上已经承载有货物时，通知堆垛机停机；在第三传感器感应不到第三反射板，判断升降平台没有处于高位时，通知堆垛机停机；在第四传感器感应不到第四反射板时，判断传送带上已经承载有货物，通知堆垛机停机，升降平台将货物送往载货平台，载货平台处于高位：在第一传感器感应不到第一反射板，判断滚轮平台没有处于低位时，通知堆垛机停机；在第二传感器感应到第二反射板，判断升降平台上没有货物时，通知堆垛机停机；在第三传感器感应不到第三反射板，判断升降平台没有处于高位时，通知堆垛机停机；在第四传感器感应不到第四反射板时，判断传送带上已经承载有货物，通知堆垛机停机。
其中，第四反射板为多个，第四传感器为多个，第四传感器和第四反射板一一对应。
其中，第一传感器、第二传感器、第三传感器和第四传感器分别发出红外线，第一反射板、第二反射板、第三反射板和第四反射板将红外线反射回第一传感器、第二传感器、第三传感器和第四传感器。
其中，第一反射板、第二反射板、第三反射板和第四反射板选用聚丙酸ABS材料制成。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种仓储系统，其包括货物暂存设备和堆垛机。堆垛机包括机架以及设于机架内的载货平台，载货平台在竖直方向上进行升降，具有高位和低位，机架上设有第一传感器、第二传感器和第三传感器。货物暂存设备包括升降平台和滚轮平台。升降平台中部镂空，在竖直方向上进行升降，升降平台具有高位和低位，升降平台的高位对应载货平台的高位，升降平台的低位对应载货平台的低位，升降平台用于与载货平台对接，以接收载货平台上的货物或者将升降平台上的货物送往载货平台。滚轮平台在竖直方向上进行升降，以部分穿过升降平台，滚轮平台具有高位和低位，滚轮平台的高位对应升降平台的高位，滚轮平台的低位对应升降平台的低位。其中，货物暂存设备对应滚轮平台的高位的位置设有第一反射板，对应升降平台的高位的位置设有第二反射板，升降平台上固定设置有第三反射板，第一传感器、第二传感器和第三传感器分别感应第一反射板、第二反射板和第三反射板，根据感应结果通知堆垛机是否停机。
其中，升降平台接收载货平台上的货物，载货平台处于高位：
在第一传感器感应不到第一反射板，判断滚轮平台没有处于低位时，通知堆垛机停机；在第二传感器感应不到第二反射板，判断升降平台上已经承载有货物时，通知堆垛机停机；在第三传感器感应不到第三反射板，判断升降平台没有处于高位时，通知堆垛机停机。
其中，升降平台将货物送往载货平台，载货平台处于高位：
在第一传感器感应不到第一反射板，判断滚轮平台没有处于低位时，通知堆垛机停机；在第二传感器感应到第二反射板，判断升降平台上没有货物时，通知堆垛机停机；在第三传感器感应不到第三反射板，判断升降平台没有处于高位时，通知堆垛机停机。
其中，货物暂存设备还包括传送带，升降平台通过传送带与载货平台对接。
其中，机架上还设有第四传感器，传送带上固定设置有第四反射板，第四传感器感应第四反射板，在第四传感器感应不到第四反射板时，判断传送带上已经承载有货物，通知堆垛机停机。
其中，第四反射板为多个，第四传感器为多个，第四传感器和第四反射板一一对应。
其中，传送带随升降平台进行升降。
其中，第一传感器、第二传感器、第三传感器和第四传感器分别发出红外线，第一反射板、第二反射板、第三反射板和第四反射板将红外线反射回第一传感器、第二传感器、第三传感器和第四传感器。
其中，第一反射板、第二反射板、第三反射板和第四反射板选用聚丙酸ABS材料制成。
综上所述，本发明实施方式的仓储系统通过在堆垛机的机架上设置三个传感器，在对应滚轮平台的高位的位置，对应升降平台的高位的位置以及升降平台上分别设置反射板，三个传感器分别感应三个反射板，根据感应结果通知堆垛机是否停机，能够避免因突发安全隐患引起堆垛机发生撞机。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例，并配合附图，详细说明如下。
【附图说明】
图1是现有技术一种堆垛机运行的流程示意图；
图2是本发明仓储系统的堆垛机一实施方式的结构示意图；
图3是本发明仓储系统的货物暂存设备一实施方式的结构示意图；
图4是图3所示的仓储系统的货物暂存设备存取货物时的工作示意图；
图5是本发明仓储系统另一实施方式的工作流程图。
【具体实施方式】
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，均属于本发明保护的范围。
本发明提供的仓储系统包括货物暂存设备和堆垛机。请参阅图2，图2是本发明仓储系统的堆垛机一实施方式的结构示意图。
堆垛机包括机架210以及设于机架210内的载货平台220。载货平台220能够在竖直方向上进行升降，具有高位和低位，即载货平台220能够在高位存取货物也能在低位存取货物。在实际操作中，高位和低位的位置可根据实际情况进行调节，在机架上设有第一传感器211，第二传感器212以及第三传感器213。
请一并参阅图3，图3是本发明仓储系统的货物暂存设备一实施方式的结构示意图。
货物暂存设备包括升降平台230和滚轮平台240。升降平台230中部镂空，能够在竖直方向上进行升降，升降平台230具有高位和低位，升降平台230的高位对应载货平台220的高位，升降平台230的低位对应载货平台220的低位。升降平台230用于与载货平台110对接，以接受载货平台220上的货物或者将升降平台230上的货物送往载货平台220。
滚轮平台240也在竖直方向上进行升降，以部分穿过升降平台230。滚轮平台240具有高位和低位，滚轮平台240的高位对应升降平台230的高位，滚轮平台240的低位对应升降平台230的低位。滚轮平台240上具有若干滚轮241，滚轮平台240穿过升降平台230时，能够顶起货物，滚轮241将货物运出。
货物暂存设备在对应滚轮平台240的高位的位置设有第一反射板251，对应升降平台230的高位的位置设有第二反射板252，升降平台230上固定设置有第三反射板253。第一反射板251和第二反射板252固定不动，第三反射板253随升降平台230移动。第一传感器211、第二传感器212和第三传感器213分别感应第一反射板251、第二反射板252和第三反射板253，根据感应结果通知堆垛机是否停机。
这里简要说明第一传感器211、第二传感器212和第三传感器213的感应原理，以第一传感器211为例，若第一传感器211感应不到第一反射板251，则说明第一传感器211的感应路径上存在障碍物或者第一反射板251没有处于预定位置。
货物暂存设备还包括传送带（未标示），升降平台230通过传送带与载货平台220对接。堆垛机的机架210上还设有第四传感器214（如图2所示），传送带上固定设置有第四反射板（未标示），第四传感器214感应第四反射板，在第四传感器214感应不到第四反射板时，则判断传送带上已经承载有货物，通知堆垛机停机。在本实施方式中，第四反射板为多个，第四传感器214也为多个，第四传感器214和第四反射板一一对应。并且，传送带可以随升降平台230进行升降，以适应不同场合。
优选地，第一传感器211、第二传感器212、第三传感器213和第四传感器214分别发出红外线，第一反射板251、第二反射板252、第三反射板253和第四反射板分别将红外线反射回第一传感器211、第二传感器212、第三传感器213和第四传感器214。若四个传感器发出的红外线没有返回，则判断中间存在障碍物或者相应的反射板没有位于指定位置。为了提高感应的可靠性，第一反射板251、第二反射板252、第三反射板253和第四反射板选用聚丙酸ABS材料制成。
请结合参阅图2、图3和图4，图4是图3所示的仓储系统的货物暂存设备存取货物时的工作示意图。为了清楚显示，图中同时示意了货物260。
当载货平台220取出货物260，即升降平台230将货物260送往载货平台220时，载货平台220处于高位。堆垛机判断与货物暂存设备信息交握正常后，进一步需要根据感应结果通知堆垛机是否停机。第一传感器211、第二传感器212和第三传感器213中任意一个的感应结果异常时，均通知堆垛机停机。具体地，在第一传感器211感应不到第一反射板251，则判断滚轮平台240没有处于低位时，通知堆垛机停机。在第二传感器212感应到第二反射板252，则判断升降平台230上没有货物260时，通知堆垛机停机。在第三传感器213感应不到第三反射板253，则判断升降平台230没有处于高位时，通知堆垛机停机。
此外，载货平台220还可以存入货物，即升降平台230接收载货平台220上的货物260，载货平台220处于高位。具体地，在第一传感器211感应不到第一反射板251，则判断滚轮平台240没有处于低位时，通知堆垛机停机。在第二传感器212感应不到第二反射板252，则判断升降平台230上已经承载有货物时，通知堆垛机停机。在第三传感器213感应不到第三反射板253，则判断升降平台230没有处于高位时，通知堆垛机停机。
当然，载货平台220处于低位时，也可以存取货物。由于载货平台220处于低位，相应的，升降平台230也应处于低位，故需要在对应升降平台230的低位的位置加装一个传感器。载货平台220处于低位存取货物时，根据感应原理判断堆垛机是否停机的工作过程与载货平台220处于高位存取货物260时的工作过程相近，故此处不再赘述。
货物暂存设备与堆垛机的对接处于高位，但是货物暂存设备与仓储系统的其他设备的对接既可以处于高位也可以处于低位，例如，货物暂存设备与仓库的货架的对接。
请参阅图5，图5是本发明仓储系统另一实施方式的工作流程图。仓储系统的工作流程包括以下步骤：
步骤301：堆垛机正常运行。
步骤302：判断信息交握是否正常，若是，执行步骤303，若否，执行步骤304。
其中，堆垛机与货物暂存设备进行信息交握是通过信号连接线完成。
步骤303：判断感应结果是否正常，若是，执行步骤305，若否，执行步骤304。
其中，感应结果针对多种情况，包括堆垛机在高位存取货物以及在低位存取货物。详细的感应过程与前述实施方式的相同，故此处不再赘述。
步骤304：堆垛机停机。
步骤305：堆垛机继续运行。
通过上述方式，本发明实施方式的仓储系统通过在堆垛机的机架上设置三个传感器，在对应滚轮平台的高位的位置，对应升降平台的高位的位置以及升降平台上分别设置反射板，三个传感器分别感应三个反射板，根据感应结果通知堆垛机是否停机，能够避免因突发安全隐患引起堆垛机发生撞机，减少工安事故的发生。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (13)

  1. 一种仓储系统，其中，包括货物暂存设备和堆垛机；
    所述堆垛机包括机架以及设于所述机架内的载货平台，所述载货平台在竖直方向上进行升降，具有高位和低位，所述机架上设有第一传感器、第二传感器、第三传感器和第四传感器；
    所述货物暂存设备包括：
    升降平台，所述升降平台中部镂空，在竖直方向上进行升降，所述升降平台具有高位和低位，所述升降平台的高位对应所述载货平台的高位，所述升降平台的低位对应所述载货平台的低位，所述升降平台用于与所述载货平台对接，以接收所述载货平台上的货物或者将所述升降平台上的货物送往所述载货平台；
    滚轮平台，所述滚轮平台在竖直方向上进行升降，以部分穿过所述升降平台，所述滚轮平台具有高位和低位，所述滚轮平台的高位对应所述升降平台的高位，所述滚轮平台的低位对应所述升降平台的低位；
    传送带，随所述升降平台进行升降，所述升降平台通过所述传送带与所述载货平台对接；
    其中，所述货物暂存设备对应所述滚轮平台的高位的位置设有第一反射板，对应所述升降平台的高位的位置设有第二反射板，所述升降平台上固定设置有第三反射板，所述传送带上固定设置有第四反射板，所述第一传感器、所述第二传感器、所述第三传感器和所述第四传感器分别感应所述第一反射板、所述第二反射板、所述第三反射板和第四反射板，根据感应结果通知所述堆垛机是否停机；
    所述升降平台接收所述载货平台上的货物，所述载货平台处于高位：在所述第一传感器感应不到所述第一反射板，判断所述滚轮平台没有处于低位时，通知所述堆垛机停机；在所述第二传感器感应不到所述第二反射板，判断所述升降平台上已经承载有货物时，通知所述堆垛机停机；在所述第三传感器感应不到所述第三反射板，判断所述升降平台没有处于高位时，通知所述堆垛机停机；在所述第四传感器感应不到所述第四反射板时，判断所述传送带上已经承载有货物，通知所述堆垛机停机；
    所述升降平台将货物送往所述载货平台，所述载货平台处于高位；在所述第一传感器感应不到所述第一反射板，判断所述滚轮平台没有处于低位时，通知所述堆垛机停机；在所述第二传感器感应到所述第二反射板，判断所述升降平台上没有货物时，通知所述堆垛机停机；在所述第三传感器感应不到所述第三反射板，判断所述升降平台没有处于高位时，通知所述堆垛机停机；在所述第四传感器感应不到所述第四反射板时，判断所述传送带上已经承载有货物，通知所述堆垛机停机。
  2. 根据权利要求1所述的仓储系统，其中，所述第四反射板为多个，所述第四传感器为多个，所述第四传感器和所述第四反射板一一对应。
  3. 根据权利要求1所述的仓储系统，其中，所述第一传感器、所述第二传感器、所述第三传感器和所述第四传感器分别发出红外线，所述第一反射板、所述第二反射板、所述第三反射板和所述第四反射板将红外线反射回所述第一传感器、所述第二传感器、所述第三传感器和所述第四传感器。
  4. 根据权利要求1所述的仓储系统，其中，所述第一反射板、所述第二反射板、所述第三反射板和所述第四反射板选用聚丙酸ABS材料制成。
  5. 一种仓储系统，其中，包括货物暂存设备和堆垛机；
    所述堆垛机包括机架以及设于所述机架内的载货平台，所述载货平台在竖直方向上进行升降，具有高位和低位，所述机架上设有第一传感器、第二传感器和第三传感器；
    所述货物暂存设备包括：
    升降平台，所述升降平台中部镂空，在竖直方向上进行升降，所述升降平台具有高位和低位，所述升降平台的高位对应所述载货平台的高位，所述升降平台的低位对应所述载货平台的低位，所述升降平台用于与所述载货平台对接，以接收所述载货平台上的货物或者将所述升降平台上的货物送往所述载货平台；
    滚轮平台，所述滚轮平台在竖直方向上进行升降，以部分穿过所述升降平台，所述滚轮平台具有高位和低位，所述滚轮平台的高位对应所述升降平台的高位，所述滚轮平台的低位对应所述升降平台的低位；
    其中，所述货物暂存设备对应所述滚轮平台的高位的位置设有第一反射板，对应所述升降平台的高位的位置设有第二反射板，所述升降平台上固定设置有第三反射板，所述第一传感器、所述第二传感器和所述第三传感器分别感应所述第一反射板、所述第二反射板和所述第三反射板，根据感应结果通知所述堆垛机是否停机。
  6. 根据权利要求5所述的仓储系统，其中，所述升降平台接收所述载货平台上的货物，所述载货平台处于高位：
    在所述第一传感器感应不到所述第一反射板，判断所述滚轮平台没有处于低位时，通知所述堆垛机停机；在所述第二传感器感应不到所述第二反射板，判断所述升降平台上已经承载有货物时，通知所述堆垛机停机；在所述第三传感器感应不到所述第三反射板，判断所述升降平台没有处于高位时，通知所述堆垛机停机。
  7. 根据权利要求5所述的仓储系统，其中，所述升降平台将货物送往所述载货平台，所述载货平台处于高位：
    在所述第一传感器感应不到所述第一反射板，判断所述滚轮平台没有处于低位时，通知所述堆垛机停机；在所述第二传感器感应到所述第二反射板，判断所述升降平台上没有货物时，通知所述堆垛机停机；在所述第三传感器感应不到所述第三反射板，判断所述升降平台没有处于高位时，通知所述堆垛机停机。
  8. 根据权利要求5所述的仓储系统，其中，所述货物暂存设备还包括传送带，所述升降平台通过所述传送带与所述载货平台对接。
  9. 根据权利要求8所述的仓储系统，其中，所述机架上还设有第四传感器，所述传送带上固定设置有第四反射板，所述第四传感器感应所述第四反射板，在所述第四传感器感应不到所述第四反射板时，判断所述传送带上已经承载有货物，通知所述堆垛机停机。
  10. 根据权利要求9所述的仓储系统，其中，所述第四反射板为多个，所述第四传感器为多个，所述第四传感器和所述第四反射板一一对应。
  11. 根据权利要求8所述的仓储系统，其中，所述传送带随所述升降平台进行升降。
  12. 根据权利要求5所述的仓储系统，其中，所述第一传感器、所述第二传感器、所述第三传感器和所述第四传感器分别发出红外线，所述第一反射板、所述第二反射板、所述第三反射板和所述第四反射板将红外线反射回所述第一传感器、所述第二传感器、所述第三传感器和所述第四传感器。
  13. 根据权利要求5所述的仓储系统，其中，所述第一反射板、所述第二反射板、所述第三反射板和所述第四反射板选用聚丙酸ABS材料制成。
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