WO2013075550A1 - 一种臂架故障检测方法、系统和起重机 - Google Patents

一种臂架故障检测方法、系统和起重机 Download PDF

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Publication number
WO2013075550A1
WO2013075550A1 PCT/CN2012/082310 CN2012082310W WO2013075550A1 WO 2013075550 A1 WO2013075550 A1 WO 2013075550A1 CN 2012082310 W CN2012082310 W CN 2012082310W WO 2013075550 A1 WO2013075550 A1 WO 2013075550A1
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WIPO (PCT)
Prior art keywords
receiver
boom
confirmation
transmitter
confirmation beam
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PCT/CN2012/082310
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English (en)
French (fr)
Inventor
张迁
曾杨
钟柳芳
Original Assignee
中联重科股份有限公司
湖南中联重科专用车有限责任公司
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Application filed by 中联重科股份有限公司, 湖南中联重科专用车有限责任公司 filed Critical 中联重科股份有限公司
Publication of WO2013075550A1 publication Critical patent/WO2013075550A1/zh

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0025Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of elongated objects, e.g. pipes, masts, towers or railways

Definitions

  • the present invention relates to the field of mechanical technology, and more particularly to a method and system for detecting a boom failure. Background technique
  • the boom which is the most important structural component of the truck crane, is also developing in the direction of increasing arm length and longer elongation, but the problem of the side bend of the boom More and more prominent.
  • the side bend of the boom refers to the deformation of the boom in the direction of the plane of rotation.
  • the embodiment of the invention provides a method, a system and a crane for detecting a boom fault, which can timely discover safety hazards and ensure the normal use of the truck crane.
  • the embodiment of the invention provides a method for detecting a fault of a boom, comprising:
  • a receiver at one end of the boom receives a confirmation beam transmitted by a transmitter located at the other end of the boom; When the receiver does not receive the confirmation beam within a predetermined time, an alarm message is issued; wherein, when the boom does not fail, the confirmation beam transmitted by the transmitter is located within the receiving range of the receiver.
  • the transmitting direction of the transmitter is the same as the receiving direction of the receiver, and the transmitter transmits an illuminating area of the confirmation beam to the receiver in whole or in part at the receiver.
  • the confirmation beam includes a laser beam and an infrared beam.
  • the area of the illumination area of the confirmation beam and/or the reception range of the receiver are adjusted according to the distance from one end of the boom to the other end and the predetermined corner threshold of the boom.
  • the alarm message is sent, including:
  • the receiver starts timing when the confirmation beam is not received, and triggers the alarm device to issue an alarm message after the timing time exceeds the predetermined time.
  • the receiver clears the timing.
  • the alarm device sends out the alarm information in the form of: sound, text, video, graphics and color.
  • an embodiment of the present invention provides a boom fault detection system, including: a transmitter and a receiver;
  • the transmitter is located at one end of the boom for transmitting an acknowledgement beam to the receiver;
  • the receiver is located at the other end of the boom for receiving a confirmation beam transmitted by the transmitter, at a predetermined When the confirmation beam is not received within the time, an alarm message is issued;
  • the confirmation beam transmitted by the transmitter is located within the receiving range of the receiver.
  • the method further includes:
  • the alarm device is configured to send an alarm message after the timer is timed longer than the predetermined time.
  • the method further includes: a controller, configured to adjust an area of the illumination area of the confirmation beam and/or a receiver according to a distance from one end of the arm to the other end and a predetermined corner bend threshold of the boom Receiving range.
  • a controller configured to adjust an area of the illumination area of the confirmation beam and/or a receiver according to a distance from one end of the arm to the other end and a predetermined corner bend threshold of the boom Receiving range.
  • an embodiment of the present invention provides a crane including the above-described boom failure detecting system.
  • Embodiments of the present invention provide a boom fault detection method, system, and crane, and a receiver located at one end of the boom receives a confirmation beam transmitted by a transmitter located at the other end of the boom; when the receiver is within a predetermined time When the confirmation beam is not received, an alarm message is issued; wherein, when the boom does not fail, the confirmation beam transmitted by the transmitter is located within the receiving range of the receiver.
  • the boom fault detecting method, system and crane provided by the embodiments of the present invention can respectively receive the transmitter and the receiver by setting the transmitter and the receiver at both ends of the boom. When the boom is in normal use, the receiver can receive the transmitter in real time or timing.
  • the transmitted confirmation beam when the receiver does not receive the confirmation beam for a certain period of time, it is determined that the confirmation beam deviates from the receiving range of the receiver, indicating that the boom has a side bend. As a result, the failure of the boom can be detected more accurately and timely, so that the user can repair the boom in time to avoid further losses.
  • FIG. 1 is a schematic flow chart of a method for detecting a boom failure in an embodiment of the present invention
  • FIG. 2 is a schematic view showing the position of the receiver and the transmitter on the boom in the embodiment of the present invention
  • FIG. 3a to FIG. 3d are schematic diagrams showing the positional intention of the receiver and the transmitter when the boom is bent;
  • FIG. 4 is a schematic diagram of a system for detecting a boom failure in an embodiment of the present invention.
  • FIG. 5 is a schematic flow chart of a method for detecting a boom failure according to another embodiment of the present invention. detailed description
  • an embodiment of the present invention provides a method for detecting a fault of a boom. As shown in FIG. 1, the method includes:
  • Step 101 A receiver at one end of the boom receives an acknowledgement beam sent by a transmitter located at the other end of the boom;
  • Step 102 When the receiver does not receive the confirmation beam within a predetermined time, issue an alarm message; wherein, when the boom does not fail, the confirmation beam sent by the transmitter is located within the receiving range of the receiver.
  • a receiver is disposed at one end of the boom (such as the top end), and the transmitter is disposed at the other end of the boom (such as the bottom end).
  • the transmitter 2 at the bottom end of the boom 1 can transmit a confirmation beam 3
  • the receiver 4 at the top of the boom 1 can receive the confirmation beam 3.
  • the initial beam of the confirmation beam transmitted by the transmitter must be within the receiver's receiving range.
  • the transmitting direction of the transmitter is in line with the receiving direction of the receiver, which ensures that the acknowledgment beam is within the receiving range of the receiver.
  • the transmitting direction of the transmitter and the receiving direction of the receiver may not be in the same line, because the confirmation beam has a certain degree of radiation, and when the receiver is reached, it is confirmed that the beam covers a certain irradiation area. It is only necessary to confirm that the illuminated area of the beam is wholly or partially within the receiving range of the receiver.
  • the confirmation beam includes a laser beam, an infrared beam, and the like.
  • the area of the illumination area of the confirmation beam can be adjusted as needed. The smaller the area of the illumination area, the more accurate the detection, but the higher the operational accuracy requirement is when setting the position of the receiver and the transmitter.
  • the area of the illumination area of the confirmation beam can be adjusted according to the distance from one end of the boom to the other end and the predetermined bypass threshold of the boom.
  • the detection accuracy can be changed by adjusting the receiving range of the receiver, or by simultaneously adjusting the area of the illumination area of the confirmation beam and the receiving range of the receiver to change the detection accuracy.
  • the receiver starts timing when the confirmation beam is not received, and triggers the alarm device to send an alarm message after the timing time exceeds the predetermined time.
  • the alarm device when the receiver does not receive the confirmation beam for more than 1 minute, indicating that the boom has a side bend, the alarm device is triggered to send an alarm message.
  • the alarm device sends out alarm information in the form of: sound, text, video, graphics and color.
  • the receiver clears the timing. For example, if the receiver receives the confirmation beam again after less than 1 minute, the timer is cleared.
  • the receiver 31 is located on the lower surface of the top end of the boom, and the transmitter 32 is located on the lower surface of the bottom end of the boom.
  • the position of the receiver 31 is shifted downward, so that the transmitter 32 cannot be received.
  • Confirm the beam 33 As shown in FIG. 3b, the receiver 31 is located on the upper surface of the top end of the boom, and the transmitter 32 is located on the upper surface of the bottom end of the boom.
  • the position of the receiver 31 is shifted downward to cause the transmission to be unacceptable.
  • the confirmation beam 33 sent by the unit 32.
  • the receiver 31 is located on the upper surface of the top end of the boom, the transmitter 32 is located on the lower surface of the bottom end of the boom, or the receiver 31 is located on the lower surface of the top end of the boom, and the transmitter 32 is located at the bottom end of the boom.
  • the position of the receiver 31 is shifted downward to cause the confirmation beam 33 transmitted from the transmitter 32 to be unreceived.
  • the position of the receiver and the transmitter can be arbitrarily designed to be a position that does not hinder production and is easy to detect.
  • the transmitter and the receiver are respectively disposed at both ends of the boom, and the receiver can be real-time or timed when the boom is in normal use.
  • the method provided by the embodiments of the present invention can also be applied to other aspects, such as for disturbance detection, i.e., for detecting the curvature of a boom in a vertical plane.
  • an embodiment of the present invention further provides a boom fault detection system, as shown in FIG. 4 .
  • a boom fault detection system comprising: a transmitter 401 and a receiver 402;
  • the transmitter 401 is located at one end of the boom for transmitting an acknowledgement beam to the receiver 402.
  • the receiver 402 is located at the other end of the boom for receiving the confirmation beam sent by the transmitter 401.
  • an alarm message is issued; wherein the confirmation beam transmitted by the transmitter 401 is located within the receiving range of the receiver 402.
  • the system further comprises:
  • the timer 403 is configured to start timing when the receiver 402 does not receive the confirmation beam; and the alarm device 404 is configured to send the alarm information after the timer 403 has passed the predetermined time.
  • the alarm information sent by the alarm device can prompt the operator in the crane operating room or other related personnel to generate a side bend.
  • the alarm information can be simultaneously sent to the total control platform or an alarm system preset in other locations.
  • the system further includes: a controller 405, configured to adjust an area of the illumination area of the confirmation beam according to a distance from one end of the boom to the other end, and a predetermined corner bend threshold of the boom Receive range of the receiver.
  • a controller 405 configured to adjust an area of the illumination area of the confirmation beam according to a distance from one end of the boom to the other end, and a predetermined corner bend threshold of the boom Receive range of the receiver.
  • an embodiment of the present invention further provides a crane, the above-mentioned boom failure detecting system.
  • equipment similar to crane booms can also be used, such as concrete booms, aerial work booms, and the like.
  • the boom bypass detection system and the crane provided by the embodiments of the present invention are respectively provided with a transmitter and a receiver at both ends of the boom, and the receiver can be real-time when the boom is in normal use. Or periodically receiving the confirmation beam sent by the transmitter; when the receiver does not receive the confirmation beam for a certain period of time, it is determined that the confirmation beam deviates from the receiving range of the receiver, indicating that the boom has a side bend.
  • Step 501 Set a receiver and a transmitter on the boom to ensure that the confirmation beam sent by the transmitter is located in the receiving range of the receiver; the receiver and the transmitter are respectively located at two ends of the boom, and according to one end of the boom to another The distance at one end, and the predetermined cornering threshold of the boom, adjust the area of the illuminated area of the confirmation beam and the receiving range of the receiver.
  • Step 502 the receiver determines whether the acknowledgement beam sent by the transmitter is received; if yes, the timer is cleared, if not, proceed to step 503;
  • Step 503 the timer starts to count
  • Step 504 detecting whether the timing exceeds the predetermined time; if the execution step 502 is not exceeded; if yes, proceeding to step 505;
  • Step 505 Trigger an alarm device to send an alarm message.
  • the alarm device sends out alarm messages in the form of: sound, text, video, graphics, and color.
  • the crane boom side bend detection method, system and crane provided by the embodiments of the present invention are respectively provided with a transmitter and a receiver at both ends of the boom, and the receiver is normally used when the boom is normally used.
  • the device can receive the confirmation beam sent by the transmitter in real time or timing. When the receiver does not receive the confirmation beam for a certain period of time, it is determined that the confirmation beam deviates from the receiving range of the receiver, indicating that the boom is bent.
  • embodiments of the present invention can be provided as a method, system, or computer program product.
  • the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware.
  • the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)

Abstract

一种臂架故障检测方法,包括:位于臂架(1)一端的接收器(4、31、402)接收位于所述臂架(1)另一端的发射器(2、32、401)发送的确认光束(3、33);当所述接收器(4、31、402)在预定时间内未接收到所述确认光束(3、33)时,发出报警信息;其中,所述臂架(1)未发生故障时,发射器(2、32、401)发送的确认光束(3、33)位于所述接收器(4、31、402)的接收范围内。以及实施臂架故障检测方法的系统,和带有所述系统的起重机。从而能够准确及时地检测到臂架(1)的故障,并及时报警。

Description

一种臂架故障检测方法、 系统和起重机
技术领域
本发明涉及机械领域技术, 尤其涉及一种臂架故障检测方法、 系统和 起重机。 背景技术
随着汽车起重机向大型化、 重型化方向发展, 作为汽车起重机最重要 结构部件的臂架也朝着臂节增多、 全伸长度变长的方向发展, 但随之而来 的臂架旁弯问题日益突出。 臂架旁弯是指臂架在回转平面方向产生的变形。
臂架旁弯可能导致起重机臂架受力特性改变、 汽车起重机倾翻、 臂架 折断等故障。 目前, 主要从设计、 制造和使用方面预防臂架旁弯, 例如设 计时充分考虑臂长、 各节臂截面及臂架全伸时臂架的节数量的关系; 制造 时严格控制各节臂之间的间隙, 严格保证各节臂的直线度; 使用时首先把 整车调水平, 长臂工况下在回转启动时动作应尽量柔和, 避免物品有大的 晃动。
但是, 仅从各个方面进行预防, 无法及时获知汽车起重机是否发生臂 架旁弯, 从而可能导致各种故障, 影响正常生产, 浪费了大量生产成本。 发明内容
本发明实施例提供了一种臂架故障检测方法、 系统和起重机, 可以及 时的发现安全隐患, 确保汽车起重机的正常使用。
本发明实施例提供了一种臂架故障检测方法, 包括:
位于臂架一端的接收器接收位于所述臂架另一端的发射器发送的确认 光束; 当所述接收器在预定时间内未接收到所述确认光束时, 发出报警信息; 其中, 所述臂架未发生故障时, 发射器发送的确认光束位于所述接收 器的接收范围内。
较佳的, 所述发射器的发送方向与所述接收器的接收方向位于同一直 较佳的, 所述发射器向所述接收器发送确认光束的照射区域全部或部 分位于所述接收器的接收范围内; 所述确认光束包括激光光束、 红外线光 束。
较佳的, 根据所述臂架一端到另一端的距离、 以及所述臂架的预定旁 弯阈值, 调整所述确认光束的照射区域面积和 /或接收器的接收范围。
较佳的, 当所述接收器在预定时间内未接收到所述确认光束时, 发出 报警信息, 包括:
所述接收器在未接收到确认光束时开始计时, 计时时间超过所述预定 时间后, 触发报警设备发出报警信息。
较佳的, 所述接收器接收到确认光束后, 将计时清零。
较佳的, 所述报警设备发出报警信息的形式包括: 声音、 文字、 视频、 图形和颜色。
相应的, 本发明实施例提供了一种臂架故障检测系统, 包括: 发射器 和接收器;
所述发射器, 位于臂架的一端, 用于向所述接收器发送确认光束; 所述接收器, 位于所述臂架的另一端, 用于接收所述发射器发送的确 认光束, 在预定时间内未接收到所述确认光束时, 发出报警信息;
其中, 所述臂架未发生故障时, 发射器发送的确认光束位于所述接收 器的接收范围内。
较佳的, 还包括:
计时器, 用于所述接收器在未接收到确认光束时开始计时; 报警设备, 用于所述计时器计时时间超过所述预定时间后, 发出报警 信息。
较佳的, 还包括: 控制器, 用于根据所述臂架一端到另一端的距离、 以及所述臂架的预定旁弯阈值, 调整所述确认光束的照射区域面积和 /或接 收器的接收范围。
相应的, 本发明实施例提供了一种起重机, 包括上述臂架故障检测系 统。
本发明实施例提供了一种臂架故障检测方法、 系统和起重机, 位于臂 架一端的接收器接收位于所述臂架另一端的发射器发送的确认光束; 当所 述接收器在预定时间内未接收到所述确认光束时, 发出报警信息; 其中, 所述臂架未发生故障时, 发射器发送的确认光束位于所述接收器的接收范 围内。 使用本发明实施例提供的臂架故障检测方法、 系统和起重机, 通过 在臂架两端分别设置发射器和接收器, 在臂架正常使用时, 该接收器可以 实时或定时的接收到发射器发送的确认光束; 当接收器超过一定时间未接 收到该确认光束, 则判断该确认光束偏离了接收器的接收范围, 说明臂架 发生旁弯。 由此, 可以更为准确及时的检测到臂架的故障, 使得用户可以 对臂架及时进行维修, 避免造成进一步的损失。 附图说明
图 1为本发明实施例中臂架故障检测方法的流程示意图;
图 2为本发明实施例中接收器和发射器在臂架上的位置示意图; 图 3a至图 3d为本发明实施例中臂架旁弯时, 接收器和发射器的位置 意图;
图 4为本发明实施例中臂架故障检测的系统示意图;
图 5为本发明另一实施例中臂架故障检测方法的流程示意图。 具体实施方式
下面结合各个附图对本发明实施例技术方案的主要实现原理、 具体实 施方式及其对应能够达到的有益效果进行详细地阐述。
为了解决现有技术存在的问题, 本发明实施例提供了一种臂架故障检 测方法, 如图 1所示, 该方法包括:
步骤 101、位于臂架一端的接收器接收位于臂架另一端的发射器发送的 确认光束;
步骤 102、当接收器在预定时间内未接收到确认光束时,发出报警信息; 其中, 臂架未发生故障时, 发射器发送的确认光束位于所述接收器的接收 范围内。
具体的, 为了方便及时的检测臂架是否发生旁弯, 在臂架的一端 (如 顶端) 设置接收器, 在臂架的另一端 (如底端) 设置发射器。 如图 2所示, 在臂架 1底端的发射器 2可以发送一道确认光束 3,位于臂架 1顶端的接收 器 4可以接收到该确认光束 3。需要说明的是, 初始设置时发射器发送的确 认光束必须位于接收器的接收范围内。 较佳的, 发射器的发送方向与接收 器的接收方向位于同一直线, 这样可以确保确认光束位于接收器的接收范 围内。 当然, 在实际操作中该发射器的发送方向与接收器的接收方向可以 不位于同一直线, 因为确认光束具有一定的辐射性, 达到接收器时确认光 束覆盖了一定照射区域。 只要确认光束的照射区域全部或部分位于接收器 的接收范围内。 该确认光束包括激光光束、 红外线光束等。
上述确认光束的照射区域的面积可以根据需要进行调整, 当该照射区 域的面积越小, 则检测越精确, 但是对设置接收器和发射器的位置时, 操 作准确度要求越高。 可以根据臂架一端到另一端的距离、 以及臂架的预定 旁弯阈值, 调整确认光束的照射区域面积。 同时, 也可以通过调整接收器 的接收范围来改变检测精度, 或者同时调整确认光束的照射区域面积和接 收器的接收范围来改变检测精度。 接收器在未接收到确认光束时开始计时, 计时时间超过预定时间后, 触发报警设备发出报警信息。 例如, 当接收器超过 1 分钟未接收到确认光 束, 说明臂架发生旁弯, 则触发报警设备发出报警信息。 该报警设备发出 报警信息的形式包括: 声音、 文字、 视频、 图形和颜色等。 接收器接收到 确认光束后, 将计时清零, 例如在未达到 1 分钟时, 接收器再次接收到确 认光束, 则计时清零。
其中, 臂架发生旁弯时导致确认光束偏离了接收器的接收范围, 如图
3a所示, 接收器 31位于臂架顶端的下表面, 发射器 32位于臂架底端的下 表面, 臂架不正常时, 接收器 31位置向下偏移, 导致无法接收到发射器 32 发送的确认光束 33。 同理, 如图 3b所示, 接收器 31位于臂架顶端的上表 面, 发射器 32位于臂架底端的上表面, 臂架不正常时, 接收器 31位置向 下偏移导致无法接收到发射器 32发送的确认光束 33。 如图 3c、 3d所示, 接收器 31位于臂架顶端的上表面、 发射器 32位于臂架底端的下表面, 或 者接收器 31位于臂架顶端的下表面、 发射器 32位于臂架底端的上表面, 臂架不正常时, 接收器 31位置均向下偏移导致无法接收到发射器 32发送 的确认光束 33。 当然, 在实际使用中, 接收器和发射器的位置可以任意设 计, 以不妨碍生产且便于检测的位置为佳。
通过上述描述, 可以看出, 使用本发明实施例提供的臂架故障检测方 法, 通过在臂架两端分别设置发射器和接收器, 在臂架正常使用时, 该接 收器可以实时或定时的接收到发射器发送的确认光束; 当接收器超过一定 时间未接收到该确认光束, 则判断该确认光束偏离了接收器的接收范围, 说明臂架发生旁弯。 由此, 可以更为准确及时的检测到臂架的故障, 使得 用户可以对臂架及时进行维修, 避免造成进一步的损失。 本发明实施例提 供的方法的还可以应用于其他方面, 例如用于扰度检测, 即用于竖直平面 内臂架的弯曲度的检测。
基于同一原理, 本发明实施例还提供了一种臂架故障检测系统, 如图 4 所示, 包括: 发射器 401和接收器 402;
该发射器 401,位于臂架的一端,用于向所述接收器 402发送确认光束; 该接收器 402,位于所述臂架的另一端,用于接收所述发射器 401发送 的确认光束, 在预定时间内未接收到所述确认光束时, 发出报警信息; 其中, 所述发射器 401发送的确认光束位于所述接收器 402的接收范 围内。
较佳的, 该系统还包括:
计时器 403, 用于所述接收器 402在未接收到确认光束时开始计时; 报警设备 404,用于所述计时器 403计时时间超过所述预定时间后, 发 出报警信息。
该报警设备发出的报警信息可以提示起重机操作间内的操作人员或者 其他相关人员臂架发生旁弯, 例如, 该报警信息可以同时发送到总控制平 台或者预先设置在其他地点的警报系统。
较佳的, 该系统还包括: 控制器 405, 用于根据所述臂架一端到另一端 的距离、 以及所述臂架的预定旁弯阈值, 调整所述确认光束的照射区域面 积和 /或接收器的接收范围。
相应的, 本发明实施例还提供了一种起重机, 上述臂架故障检测系统。 此外, 与起重机臂架类似的设备也可以使用上述系统, 例如混凝土臂架、 高空作业车臂架等。
通过上述描述, 可以看出, 使用本发明实施例提供的臂架旁弯检测系 统及起重机, 通过在臂架两端分别设置发射器和接收器, 在臂架正常使用 时, 该接收器可以实时或定时的接收到发射器发送的确认光束; 当接收器 超过一定时间未接收到该确认光束, 则判断该确认光束偏离了接收器的接 收范围, 说明臂架发生旁弯。
下面通过具体实施例对本发明实施例提供的起重机臂架旁弯检测方法 进行详细说明, 如图 5所示, 包括以下步骤: 步骤 501、在臂架上设置接收器和发射器, 确保发射器发送的确认光束 位于接收器的接收范围内; 该接收器和发射器分别位于臂架的两端, 并根 据臂架一端到另一端的距离、 以及臂架的预定旁弯阈值, 调整确认光束的 照射区域面积和接收器的接收范围。
步骤 502、接收器判断是否接收到发射器发送的确认光束; 若是, 计时 器清零, 若否, 则继续执行步骤 503;
步骤 503、 计时器开始计时;
步骤 504、 检测计时是否超过所述预定时间; 若未超过执行步骤 502; 若超过, 继续执行步骤 505 ;
步骤 505、触发报警设备发出报警信息。该报警设备发出报警信息的形 式包括: 声音、 文字、 视频、 图形和颜色等。
通过上述描述, 可以看出, 使用本发明实施例提供的起重机臂架旁弯 检测方法、 系统和起重机, 通过在臂架两端分别设置发射器和接收器, 在 臂架正常使用时, 该接收器可以实时或定时的接收到发射器发送的确认光 束; 当接收器超过一定时间未接收到该确认光束, 则判断该确认光束偏离 了接收器的接收范围, 说明臂架发生旁弯。
本领域内的技术人员应明白, 本发明的实施例可提供为方法、 系统、 或计算机程序产品。 因此, 本发明可采用完全硬件实施例、 完全软件实施 例、 或结合软件和硬件方面的实施例的形式。 而且, 本发明可采用在一个 或多个其中包含有计算机可用程序代码的计算机可用存储介质 (包括但不 限于磁盘存储器、 CD-ROM、 光学存储器等) 上实施的计算机程序产品的 形式。
本发明是参照根据本发明实施例的方法、 设备 (系统)、 和计算机程序 产品的流程图和 /或方框图来描述的。 应理解可由计算机程序指令实现流 程图和 /或方框图中的每一流程和 /或方框、 以及流程图和 /或方框图中 的流程和 /或方框的结合。 可提供这些计算机程序指令到通用计算机、 专 用计算机、 嵌入式处理机或其他可编程数据处理设备的处理器以产生一个 机器, 使得通过计算机或其他可编程数据处理设备的处理器执行的指令产 生用于实现在流程图一个流程或多个流程和 /或方框图一个方框或多个方 框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理 设备以特定方式工作的计算机可读存储器中, 使得存储在该计算机可读存 储器中的指令产生包括指令装置的制造品, 该指令装置实现在流程图一个 流程或多个流程和 /或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备 上, 使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机 实现的处理, 从而在计算机或其他可编程设备上执行的指令提供用于实现 在流程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的 功能的步骤。
尽管已描述了本发明的优选实施例, 但本领域内的技术人员一旦得知 了基本创造性概念, 则可对这些实施例作出另外的变更和修改。 所以, 所 附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和 修改。
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离 本发明的精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权 利要求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型在 内。

Claims

权利要求
1、 一种臂架故障检测方法, 其特征在于, 包括:
位于臂架一端的接收器接收位于所述臂架另一端的发射器发送的确认 光束;
当所述接收器在预定时间内未接收到所述确认光束时, 发出报警信息; 其中, 所述臂架未发生故障时, 发射器发送的确认光束位于所述接收器 的接收范围内。
2、 如权利要求 1所述的方法, 其特征在于, 所述发射器的发送方向与 所述接收器的接收方向位于同一直线。
3、 如权利要求 1所述的方法, 其特征在于, 所述发射器向所述接收器 发送的确认光束的照射区域全部或部分位于所述接收器的接收范围内; 所述 确认光束包括激光光束、 红外线光束。
4、 如权利要求 3所述的方法, 其特征在于, 还包括:
根据所述臂架一端到另一端的距离、 以及所述臂架的预定旁弯阈值, 调 整所述确认光束的照射区域面积和 /或接收器的接收范围。
5、 如权利要求 1所述的方法, 其特征在于, 当所述接收器在预定时间 内未接收到所述确认光束时, 发出报警信息, 包括:
所述接收器在未接收到确认光束时开始计时,计时时间超过所述预定时 间后, 触发报警设备发出报警信息。
6、 如权利要求 5所述的方法, 其特征在于, 所述接收器接收到确认光 束后, 将计时清零。
7、 如权利要求 5所述的方法, 其特征在于, 所述报警设备发出报警信 息的形式包括: 声音、 文字、 视频、 图形和颜色。
8、 一种臂架故障检测系统, 其特征在于, 包括: 发射器和接收器; 所述发射器, 位于臂架的一端, 用于向所述接收器发送确认光束; 所述接收器, 位于所述臂架的另一端, 用于接收所述发射器发送的确认 光束, 在预定时间内未接收到所述确认光束时, 发出报警信息;
其中, 所述臂架未发生故障时, 发射器发送的确认光束位于所述接收器 的接收范围内。
9、 如权利要求 8所述的系统, 其特征在于, 还包括:
计时器, 用于所述接收器在未接收到确认光束时开始计时;
报警设备, 用于所述计时器计时时间超过所述预定时间后, 发出报警信 息。
10、 如权利要求 8所述的系统, 其特征在于, 还包括: 控制器, 用于根 据所述臂架一端到另一端的距离、 以及所述臂架的预定旁弯阈值, 调整所述 确认光束的照射区域面积和 /或接收器的接收范围。
11、 一种起重机, 其特征在于, 包括如权利要求 8-10 中任一所述的臂 架故障检测系统。
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