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      變頻控制同步頂升液壓系統
      產品手冊下載通道
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      KET-DBTB變頻控制同步頂升液壓系統

      特性:控制精度:≤±0.2mm。

      用途:實現多點控制可進行重載稱重、同步頂推、同步頂升、同步降落、等比例同步頂升、姿態調平、自動穩壓等功能。

      變頻控制同步頂升液壓系統
      • 詳細說明
      • 技術參數
      • 工程案例
      • 產品視頻
      • 相關產品
      返回上級
      詳細說明
      • 產品說明
      • 產品特點
      • 系統組成
      • 結構簡述
      • 系統優勢
      • 本系統利用液壓驅動、壓力和位移閉環自動控制的方式,實現多點控制可進行重載稱重、同步頂推、同步頂升、同步降落、等比例同步頂升、姿態調平、自動穩壓等功能。系統采用變頻調速器控制油泵電機,依靠調節供電的頻率來改變電機轉速,達到使油泵的流量連續可調的目的,配以適當的電控和檢測系統,就可精確控制千斤頂的升降速度,實現千斤頂同步的控制。

      • ● 工作電源:AC380V/50Hz,三相五線制;

        ● 系統壓力:70Mpa;

        ● 控制精度:≤±0.2mm;

        ● 顯示模式:人機界面;

        ● 壓力傳感器:輸入DC24V,量程0-70Mpa,輸出4-20mA;

        ● 位移傳感器:量程1000mm,測量精度0.5%,工作電壓24VDC,推挽輸出;

        ● 控制電源:DC24V;

        ● 顯示精度:1%;

        ● 控制模式:變頻調速控制。

      • ● 本系統是由4臺泵、4臺液壓千斤頂、4套變頻調速控制裝置、4套控制閥組,電控系統以及位移傳感器等組成。

        ● 可多臺變頻控制同步頂升液壓系統同步控制。

      • 由于工件底面不一定平整,為了保證千斤頂負荷一致,在同步頂起工件之前,首先要讓千斤頂均勻的接觸工件,并以千斤頂均勻接觸工件的這一點作為千斤頂同步運行的基準,為此系統中設有一個貼合功能。同步頂升前先啟動其功能,千斤頂同時上升,一旦有接觸工件,該頂便停止上升,直至各頂全部接觸工件為止,然后各頂均勻升壓至每頂5Mpa左右(可在工控機中設定貼合壓力),這時各頂自動停止,并將該點位置作為同步的零點。

        本系統中四套位移檢測裝置安裝在控制點的合適位置,當液壓千斤頂移動時,位移傳感器就可以實時精確地測定液壓千斤頂的負荷,同時還裝有一只平衡閥,該閥能保證液壓千斤頂升降時都處于進油調速狀態,同時平衡閥能可靠保壓,保證工件不會自由下滑,使液壓千斤頂在停電狀態仍能可靠承載。本系統適用于大噸位行程長的千斤頂,其特點頂升速度快。

        電子控制系統是實現同步動作的關鍵。它是基于閉環控制系統理論,將重物移動的位移信號作為受控參數,重物在液壓千斤頂受力腔內產生的壓強信號作為參考量。通過傳感器采集這些信號,將這些信號傳輸至控制器??刂破鹘邮懿⑻幚磉@些信號??刂破鞅容^運算這些同類信號并和輸入的允差值進行比較,當發現某一受控點有超差的可能時,控制器發出信號,讓該點的變頻器動作,關閉液壓油泵,從而限定該點的液壓千斤頂上升或下降動作。同樣當信號反饋指出該已停止點有滯后現象時,控制器發出信號,讓該點的變頻器動作,開啟液壓油泵,讓該點的液壓千斤頂恢復上升或下降的動作。通過各受控點間的這些經過精確控制的動作,整個同步控制系統達到一種運動中的同步目的。

      • ● 連續的流量調節控制,使得重載在頂升和降落過程中平穩;

        ● 進油調速和重載先降液壓回路,不單是頂升時達到高精度同步,在負載下降時可保證高精度同步;

        ● 平載閥的過程保護功能,避免了多缸頂升時常見的脹缸事故;

        ● 可在兩點同步頂升基礎上擴展至32點或32點以上的多點同步,最多可至99點。在多點同步工作狀態下,除保持多點位置的同步外,并可按用戶的要求調節各支點的載荷分布;

        ● 精準頂升:與千斤頂完全獨立的測力計單元與高精度位移傳感器;

        ● 同步頂升:力同步和位移同步雙控,在不同的階段自動調用;

        ● 安全性:多重液壓閥和智能程序確保頂升和數據的安全;

        ● 數據真實:多重數據權限管理與:“傻瓜式”操作,確保數據真實性;

        ● 可控真實:頂升數據可一次性導入設備數據庫,調用數據頂升;

        ● 可追溯性:頂升結果自動記錄在數據庫內,可查閱打印和下載。

      技術參數
      規格型號 點位 同步精度
      (mm)
      電機功率
      (KW)
      供電電壓
      (AC/V)
      工作壓力
      (MPa)
      流量
      (L/min)
      油箱容積
      (L)
      凈重
      (Kg)
      外形尺寸(mm)
      (長X寬X高)
      KET-DBTB-2A 2點同步 ≤±0.2 1.1 ×2 380 70 2 ×1 130 180 760×820×1150
      KET-DBTB-2B 2點同步 ≤±0.2 1.1 ×2 380 70 2 ×2 130 240 760×820×1150
      KET-DBTB-2C 2點同步 ≤±0.2 1.1 ×2 380 70 2 ×4 250 300 960×880×1170
      KET-DBTB-4A 4點同步 ≤±0.2 1.1 ×4 380 70 4 ×1 200 350 1100×875×1160
      KET-DBTB-4B 4點同步 ≤±0.2 1.1 ×4 380 70 4 ×2 250 430 1200×820×1120
      KET-DBTB-4C 4點同步 ≤±0.2 1.1 ×4 380 70 4 ×4 500 550 1100×960×1130
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      相關產品
      • 智能控制同步頂升液壓系統
        KET-SMTB
        位移同步精度:
        ≤±0.5mm
        顯示模式:
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        控制點位:
        4點、6點、8點、12點、16點、24點
      • 便攜式同步頂升液壓系統
        KET-LDXT、HDXT
        位移同步精度:
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        顯示模式:
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      • 智能三維調整液壓系統
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      • 智能張拉控制液壓系統
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        位移同步精度:
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        力同步張拉精度:
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        控制點位:
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