本文關(guān)鍵詞： 自適應(yīng)控制 液壓系統(tǒng) 夾持器 PLC控制 OPC技術(shù)　出處：《青島科技大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著施工過(guò)程中機(jī)械化水平的提高,挖掘機(jī)得到了廣泛地應(yīng)用,在其應(yīng)用過(guò)程中,根據(jù)不同的作業(yè)類型,需要配置相對(duì)應(yīng)的前端執(zhí)行器。在工程實(shí)際中經(jīng)常需要對(duì)大質(zhì)量物體進(jìn)行裝卸、安裝、轉(zhuǎn)移等。然而針對(duì)這些作業(yè)類型,挖掘機(jī)缺少相應(yīng)的前端執(zhí)行器。為此本課題設(shè)計(jì)了一種新型的自適應(yīng)液壓工程夾持器,并對(duì)其設(shè)計(jì)過(guò)程和實(shí)現(xiàn)方法進(jìn)行了研究。 本課題以自適應(yīng)液壓工程夾持器為設(shè)計(jì)對(duì)象,根據(jù)夾持器的結(jié)構(gòu)和功能,從機(jī)械結(jié)構(gòu)、液壓系統(tǒng)、控制系統(tǒng)和滑移檢測(cè)系統(tǒng)四個(gè)部分進(jìn)行研究和展開(kāi)。首先介紹了課題提出的背景、意義,以及相關(guān)技術(shù)在國(guó)內(nèi)外的發(fā)展現(xiàn)狀。然后對(duì)液壓工程夾持器的整體設(shè)計(jì)要求進(jìn)行了分析,確定了工作載荷、基本尺寸和控制要求,并根據(jù)夾持器的工作行程,所夾持的物體形狀以及執(zhí)行器的工作方式,設(shè)計(jì)夾持器的機(jī)械原理圖,對(duì)主要零部件進(jìn)行了三維設(shè)計(jì)和校核。分析了液壓系統(tǒng)的功能,確定了系統(tǒng)的主要參數(shù),并擬定了液壓系統(tǒng)原理圖。在夾持器的控制方面,分析了控制系統(tǒng)要求,編制了相應(yīng)的PLC控制程序。在夾持器的設(shè)計(jì)中引入了基于滑移信號(hào)的自適應(yīng)壓力控制,使得夾持器能夠根據(jù)被夾持物體的重力和表面狀況調(diào)整夾持回路的系統(tǒng)壓力,從而達(dá)到穩(wěn)固夾持的目的。 通過(guò)本課題的設(shè)計(jì)和研究,完成了自適應(yīng)液壓工程夾持器的基本設(shè)計(jì)。另外在設(shè)計(jì)過(guò)程中所用到的計(jì)算機(jī)輔助設(shè)計(jì)技術(shù)、Visual Basic與OPC服務(wù)器的連接方法、KEPserverEX與PLC的通信,以及PLC控制技術(shù),可以為相關(guān)產(chǎn)品的設(shè)計(jì)提供參考。
[Abstract]:With the improvement of mechanization level in the construction process, excavators have been widely used. In the process of application, according to different types of operations. Need to configure the corresponding front-end actuators. In engineering practice, it is often necessary to load and unload, install, transfer, etc. However, for these types of operations. In this paper, a new type of adaptive hydraulic engineering gripper is designed, and its design process and implementation method are studied. Based on the structure and function of the self-adaptive hydraulic engineering gripper, this subject is based on the mechanical structure and hydraulic system. Four parts of the control system and slip detection system are studied and developed. Firstly, the background and significance of the subject are introduced. Then the overall design requirements of the hydraulic engineering gripper are analyzed, and the working load, basic dimensions and control requirements are determined, and according to the working itinerary of the gripper. The shape of the clamped object and the working mode of the actuator, the mechanical schematic diagram of the gripper, the 3D design and verification of the main parts are carried out. The function of the hydraulic system is analyzed and the main parameters of the system are determined. The schematic diagram of hydraulic system is drawn up. The requirements of control system are analyzed in the control of gripper. The corresponding PLC control program is worked out, and the adaptive pressure control based on slip signal is introduced into the design of gripper. The gripper can adjust the system pressure of the clamping loop according to the gravity and surface condition of the clamped object, so as to achieve the purpose of stable clamping. Through the design and research of this topic, the basic design of adaptive hydraulic engineering gripper is completed. In addition, the computer aided design technology is used in the design process. The connection method between Visual Basic and OPC server, the communication between KEPserverEX and PLC, and the PLC control technology can provide reference for the design of related products.
【學(xué)位授予單位】：青島科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TU621;TH137

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本文編號(hào)：1468852