100噸通用油壓機(jī)的液壓系統(tǒng)設(shè)計(jì)【全套含CAD圖紙、說明書】
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100噸通用油壓機(jī)的液壓系統(tǒng)設(shè)計(jì)
摘要
油壓機(jī)是一種以液壓油為工作介質(zhì),根據(jù)帕斯卡原理制成的用于傳遞能量以實(shí)現(xiàn)各種工藝的機(jī)器。液壓機(jī)是一種鍛壓機(jī)械,它能完成調(diào)直、冷沖壓、冷擠壓等多種鍛壓工藝。液壓機(jī)的結(jié)構(gòu)形式很多,但通常由橫梁、立柱、工作臺(tái)、滑塊和頂出機(jī)構(gòu)等部件組成。本文為100T通用油壓機(jī)液壓系統(tǒng)設(shè)計(jì),通過對油壓機(jī)主缸及頂出缸進(jìn)行工況分析,繪制其速度圖和負(fù)載圖。選擇液壓基本回路,擬定液壓系統(tǒng)原理圖,使主缸能完成快速下行、減速壓制、保壓延時(shí)、泄壓回程、停止的基本工作循環(huán),頂出缸能實(shí)現(xiàn)頂出、退回、浮動(dòng)壓邊的動(dòng)作,之后對液壓系統(tǒng)控制過程進(jìn)行分析。確定液壓系統(tǒng)的主要參數(shù),通過對壓力、流量等參數(shù)的分析與計(jì)算,對泵、電機(jī)、控制閥等液壓元件和輔助件進(jìn)行了選擇。本次設(shè)計(jì)采用了集成塊,除去與泵或液壓缸等的連接仍然采用管接頭和管道以外,其它各元件之間的連接都通過集成塊上的通道,其結(jié)構(gòu)更為緊湊,體積也相對更小,重量也更輕,大大減少管件連接,從而消除了因油管、接頭引起的泄漏、振動(dòng)和噪聲,并且液壓系統(tǒng)安裝 、調(diào)試和維護(hù)方便,壓力損失小,外形美觀。另外對液壓站進(jìn)行了總體布局。通過液壓系統(tǒng)壓力損失和溫升的驗(yàn)算,本文液壓系統(tǒng)的設(shè)計(jì)可以滿足液壓機(jī)工作循環(huán)的動(dòng)作要求,能夠?qū)崿F(xiàn)塑性材料的成型加工工藝。
關(guān)鍵詞 油壓機(jī);液壓系統(tǒng);原理圖;集成塊;液壓站
The design of 100T hydraulic press hydraulic system
Abstract
Hydraulic presses are machines that use liquid as working medium and are made according to the principle of PASCAL to deliver energy to achieve various processes. Hydraulic presses are metal forming machines which can complete various forging technology such as alignment, cold forging, cold extruding and so on. Hydraulic presses have many structural forms but more often than not they are composed of crossbeam, vertical post, work table, slide block and ejector parts. This paper is about the design of 100T hydraulic press's hydraulic system, though the condition analysis of the hydraulic press's main cylinder and ejection cylinder, we can draw their velocity diagrams and load diagrams. Then we choose basic hydraulic circuit to form the hydraulic system schematics. We must make sure the main cylinder can complete the basic working cycle of fast descending, deceleration repression, time delay of press forming, relinef-pressure return and stop, and on the other hand, ejection cylinder can realize the action of ejection, return and floating side pressing. After that, we must analyse the control process of the hydraulic system. Hydraulic system's main parameters are determined and through the analysis and calculation of pressure, flow and other parameters, and then we can go on the choose hydraulic components and auxiliary parts such as pump , motor, filters, control valves. This design adopted the manifold block, and except that the connection of pump and hydraulic cylinder still uses the pipes and pipe joints, the connection of other components all through the channel of the manifold block. Its structure is more compact, volume is relatively smaller, its weight is lighter without pipe connection. What's more, it can eliminate leakage of tubing, connectors, vibration and noise, also, the installation, commissioning and maintenance of hydraulic systrem are convenient, low pressure drop, and it looks more beautiful.The paper has also designed the overall layout of the hydraulic station.what is more this paper have three-dimensional graph of integrated block, hydraulic pressure station, which make it more beautiful and accessible to reader. The hydraulic system can meet the press order cycle action requires and realize the plastic material forging press, stamping cold extrusion, straightening, bending forming process and other contour machining technic through check calculation of hydraulic system pressure loss and the temperature of the hydraulic system.
Key words hydraulic press;hydraulic system;system diagram; manifold block;hydraulic station
5
目 錄
摘要 I
Abstract II
第1章 緒論 1
1.1 研究背景 1
1.2 研究目的與意義 1
1.2.1 研究目的 1
1.2.2 研究意義 2
1.3 研究內(nèi)容 2
第2章 液壓系統(tǒng)設(shè)計(jì)要求和工況分析 3
2.1 明確對液壓系統(tǒng)的設(shè)計(jì)要求 3
2.2 液壓系統(tǒng)的工況分析 4
2.2.1 液壓機(jī)主缸的工況分析 4
2.2.2 液壓機(jī)頂出缸的工況分析 5
第3章 確定液壓系統(tǒng)主要參數(shù) 7
3.1 確定液壓缸的主要參數(shù) 7
3.1.1初選液壓缸的工作壓力 7
3.1.2 確定液壓缸的主要結(jié)構(gòu)尺寸 7
3.2 計(jì)算系統(tǒng)所需壓力 8
3.3 系統(tǒng)流量的計(jì)算 9
3.3.1 主缸流量的計(jì)算 9
3.3.2. 頂出缸流量的計(jì)算 10
第4章 液壓機(jī)液壓系統(tǒng)原理圖設(shè)計(jì) 11
4.1 系統(tǒng)原理圖的設(shè)計(jì) 11
4.2 液壓系統(tǒng)原理圖的問題 13
4.3 液壓系統(tǒng)的工作原理 14
第5章 液壓元件的選擇 17
5.1 確定液壓泵及驅(qū)動(dòng)電機(jī)的功率 17
5.1.1 確定液壓泵的工作壓力 17
5.1.2 確定液壓泵的最大流量 17
5.1.3 選擇液壓泵的規(guī)格 18
5.1.4 電動(dòng)機(jī)的選擇 18
5.2 閥類元件及輔助元件的選擇 18
5.3 管道尺寸的確定 20
5.4 油箱容積的確定 20
5.5 系統(tǒng)溫升的驗(yàn)算 21
第6章 液壓站結(jié)構(gòu)設(shè)計(jì) 23
6.1 液壓站的結(jié)構(gòu)型式 23
6.2 液壓泵的安裝方式 23
6.3 液壓集成油路的設(shè)計(jì) 23
6.4 液壓油箱的設(shè)計(jì) 24
結(jié)論 27
致謝 28
參考文獻(xiàn) 29
附錄 30
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編號(hào):83589190
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上傳時(shí)間:2022-05-01
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