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　　隨著建筑行業的智能化程度越來越高，很多建筑機械已經代替了人工作業，大大的提高了工作效率，降低了人力成本的支出。混凝土輸送泵，又稱混凝土泵，由泵體和輸送管組成，是一種利用壓力將混凝土沿管道連續輸送的機械，主要應用于房建、橋梁及隧道施工。為了提高輸送泵的移動性，一般將泵體裝在汽車底盤上，再裝備可伸縮或屈折的布料桿，構成輸送泵車。目前，主要分為閘板閥混凝土輸送泵和S管閥混凝土輸送泵。
　　設備結構及基本性能
　　本項目以山東某設備產商WF型輸送泵車為例，其主要部件混凝土輸送泵由料斗、泵送系統、液壓系統、清洗系統、電氣系統、電動機、行走底盤等組成。
　　泵送機構由2只主缸水箱、換向裝置、2只混凝土缸、2只混凝土活料斗、分配閥(S形閥)、擺臂、2只擺動液壓缸和出料口組成。整機性能和液壓系統參數分別如表1、表2所示。
　工藝原理
　　混凝土活塞分別與主液壓缸活塞桿連接，在主液壓缸液壓油作用下，作往復運動，一缸前進，則另一缸后退;混凝土缸出口與料斗連通，分配閥一端接出料口，另一端能過花鍵軸與擺臂連接，在擺動液壓缸作用下，可以左右擺動。
　　泵送混凝土料時，在主液壓缸作用下，混凝土活塞可前進或后退。同時在擺動液壓缸作用下，分配閥與混凝土缸連通，混凝土缸與料斗連通。這樣混凝土活塞后退，便將料斗內的混凝土吸入混凝土缸，混凝土活塞前進，將混凝土缸內混凝土料送入分配閥泵出。
　　當混凝土活塞后退至行程終端時，觸發水箱中的換向裝置，主液壓缸換向，同時擺動油缸換向，使分配閥與混凝土缸連通，混凝土缸與料斗連通，這時活塞后退前進依次循環，從而實現連續泵送。
　　反泵時，通過反泵操作，使處在吸入行程的混凝土缸與分配閥連通，處在推送行程的混凝土缸與料斗連通，從而將管路中的混凝土抽回料斗。
　　泵送系統通過分配閥的轉換完成混凝土的吸入與排出動作，因此分配閥是混凝土泵中的關鍵部件，會直接影響到混凝土泵的性能。
　　方案選型
　　該設備所需的控制點數為數字量輸入12點，數字量輸出8點。其中主要的輸入輸出點為正泵、反泵、遠控/近控、主缸進/退、擺缸進/退、高壓 /低壓、電動機起動/停止、2個接近開關、4個電磁閥、指示燈運行指示。I/O點設置如表3所示。
　　由于該設備主要銷往海外市場，設備廠商在電控系統選型時主要考慮產品的高可靠性和品牌知名度。前者保證設備穩定運行，最大限度降低售后服務的成本，甚至無需售后服務;后者有助于提升設備整體的品牌，提升在海外市場的競爭力。

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VeriFone Vx570 Dial Terminal

Siemens LOGO! 6ED1052-1HB00-0BA6 NIB + LOGO USB Cable

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Schneider Modicon AS-B875-102 I/O Analog High Speed 8CH

Schneider Modicon AS-B883-101-S CAM EMULATOR MODULE Q9-5

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ABB DRIVE ACS800-U1-0120-5+P901 ACS800U101205

ADEPT Technology PCB MSC3 10300-46-625 46625

(7434) Reliance Battery Backup for Drive 803623-R NIB (7374)

INDRAMAT TDM1.2-100-300-W1/115 NSPP TDM12100300W1115

WESTINGHOUSE DS416-1200A-LSIG USPP DS4161200ALSIG

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ELDEC 5060044 USPP 5060044

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Modicon Modbus Plus T-Connector 990NAD23000

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Advantech EVOC PCL-812PG REV:1.0 Card

Allen-Bradley 1771-OFE2 PLC5 Analog Output Module Ser.B

ABB ACS60100205000C1500000 ACS 600 Series Drive 61301411

AD9644, ADC, SPI, EVALUATION BOARD, AD9644 155KITZ 2096106

6ES7470-1AB00-0AA0 Brand , Factory Sealed,

900' Wesleyan Triplex Aluminum Cable Wire URD 350MCM 350-350-4/0 600Voltage

SQUARE D MHL3670035DC2351 USPP MHL3670035DC2351

CONTROL TECHNIQUES 9500-8607 USPP 95008607

BAYSIDE PG115-150-041 USPP PG115150041

MOORE PRODUCTS 39VIMCCN NSFP 39VIMCCN

MARPOSS 3405073000 NSFP 3405073000

EUROTHERM CONTROLS TC2001/02/150A/380V/00/4-20MA/NONE/SC/V2/PLU// NSFP TC2001021

Siemens 6ES5 135-3UA11 6ES51353UA11

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SIEMENS 6ES5 SERIES 6ES5-465-3AA13 PLC MODULE

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iDatalink ADS-HRN-CH4 T Harness Interface Module

YOKOGAWA F3RZ81-ON RS232 INTERFACE MODULE

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Siemens MP270 6AV6542-0AH10-0AX0 Membrane Keypad

Omron NT20M-DT121-V1

Schneider Modicon AS-BDAP 210 Discrete Output Module

Schneider Modicon AS-506P-F16 NSFP AS506PF16

Schneider Modicon AS-J892-001

Schneider Modicon AS-521P-008 CNC Memory Board (AIND/UGC)

Schneider Modicon Electronics AS-W808-002 Cable Assembly Remote I/O W808-002

Schneider Modicon -AS-BDAP-216N

SIEMENS/TI 505-4232 INPUT MODULE 110VAC 32 POINT XLNT

Schneider Twido PLC TWDLCAA40DRF NIB

Siemens Sinumerik Operator Control Panel 6FC3808-3EF21

SIEMENS 505-4516 OUTPUT MODULE 5054516

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ALLEN-BRADLEY 6182-AGAZAC INDUSTRIAL COMPUTER 100 TO 240VAC 50/60HZ 0.4/0.25AMP

ABB 3HAB 5956-1 DSQC 323 ROBOT MODULE MEMORY EXPANSION BOARD 8MB

ACCURAY 083883-004 USPP 083883004

A06B-6104-H126#H543#B FANUC SERVO AMPLIFIER

809A02E ALLEN BRADLEY 809 A02E

SIEMENS 6ES5-524-3UA13 FNFP 6ES55243UA13

ASEA BROWN BOVERI 3BHB003041R0101 NSFP 3BHB003041R0101

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KUKA 69-350-075 USPP 69350075

GROUPE SCHNEIDER 8538-SEA13 USPP 8538SEA13

ACUITY IMAGING AR4000 NSPP AR4000

PREFERRED INSTRUMENT PCC-III-0000 NSPP PCCIII0000

Siemens 6ES5-340-3KB41 USPP 6ES53403KB41

SIEMENS 6ES5 441-4UA13 6ES54414UA13

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Gould Modicon AS-J830-001 MODULE INTERFACE 884/800 ASCII

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ProCurve Switch 5412zl 96G J8700A

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A06B-0153-B084#0076 FANUC SERVO MOTORS REMANUFACTURED

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SYMAX 8030-CRM-570 USPP 8030CRM570

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ABB PCS Computer S14662708TABBB, Rev D, 6 Amps #34970

ZYNETIX GLOBE WIRELESS NETWORKS

...the most reliable digital Tach on the market

MODICON AS-506P-F16 USPP AS506PF16

ALLEN BRADLEY 1394C-SJT22-D NSPP 1394CSJT22D

GETTYS 110-135 NSFP 110135

GE FANUC IC3600ADAD1 USPP IC3600ADAD1

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