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　　隨著建筑行業(yè)的智能化程度越來(lái)越高，很多建筑機(jī)械已經(jīng)代替了人工作業(yè)，大大的提高了工作效率，降低了人力成本的支出?；炷凛斔捅茫址Q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(xù)輸送的機(jī)械，主要應(yīng)用于房建、橋梁及隧道施工。為了提高輸送泵的移動(dòng)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(gòu)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(shè)備結(jié)構(gòu)及基本性能
　　本項(xiàng)目以山東某設(shè)備產(chǎn)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(tǒng)、液壓系統(tǒng)、清洗系統(tǒng)、電氣系統(tǒng)、電動(dòng)機(jī)、行走底盤等組成。
　　泵送機(jī)構(gòu)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(dòng)液壓缸和出料口組成。整機(jī)性能和液壓系統(tǒng)參數(shù)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(fù)運(yùn)動(dòng)，一缸前進(jìn)，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(guò)花鍵軸與擺臂連接，在擺動(dòng)液壓缸作用下，可以左右擺動(dòng)。
　　泵送混凝土料時(shí)，在主液壓缸作用下，混凝土活塞可前進(jìn)或后退。同時(shí)在擺動(dòng)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(nèi)的混凝土吸入混凝土缸，混凝土活塞前進(jìn)，將混凝土缸內(nèi)混凝土料送入分配閥泵出。
　　當(dāng)混凝土活塞后退至行程終端時(shí)，觸發(fā)水箱中的換向裝置，主液壓缸換向，同時(shí)擺動(dòng)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(shí)活塞后退前進(jìn)依次循環(huán)，從而實(shí)現(xiàn)連續(xù)泵送。
　　反泵時(shí)，通過(guò)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(tǒng)通過(guò)分配閥的轉(zhuǎn)換完成混凝土的吸入與排出動(dòng)作，因此分配閥是混凝土泵中的關(guān)鍵部件，會(huì)直接影響到混凝土泵的性能。
　　方案選型
　　該設(shè)備所需的控制點(diǎn)數(shù)為數(shù)字量輸入12點(diǎn)，數(shù)字量輸出8點(diǎn)。其中主要的輸入輸出點(diǎn)為正泵、反泵、遠(yuǎn)控/近控、主缸進(jìn)/退、擺缸進(jìn)/退、高壓 /低壓、電動(dòng)機(jī)起動(dòng)/停止、2個(gè)接近開(kāi)關(guān)、4個(gè)電磁閥、指示燈運(yùn)行指示。I/O點(diǎn)設(shè)置如表3所示。
　　由于該設(shè)備主要銷往海外市場(chǎng)，設(shè)備廠商在電控系統(tǒng)選型時(shí)主要考慮產(chǎn)品的高可靠性和品牌知名度。前者保證設(shè)備穩(wěn)定運(yùn)行，最大限度降低售后服務(wù)的成本，甚至無(wú)需售后服務(wù);后者有助于提升設(shè)備整體的品牌，提升在海外市場(chǎng)的競(jìng)爭(zhēng)力。

AMF CONTROL SYSTEMS 280607-01 USPP 28060701

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YASKAWA ELECTRIC SGMGH-30ACA6E USPP SGMGH30ACA6E

SQUARE D HCN23744M NSFP HCN23744M

OMRON CV500-BSC21 USPP CV500BSC21

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PreSonus FireStudio Firewire Mobile Studio Interface Bundle Extended

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Schneider Modicon AS-P120-000/ASP120000 Power Supply SEALED

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Schneider Modicon AS-H819-007 NSFP ASH819007

Schneider Modicon Gould/ AS-2802-000

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Schneider Modicon Quantum 140CPS11420 Power Supply AS-IS

Telemecanique Digital Operator Panel VL 1006366598

Schneider Telemecanique Modicon TSX3721001

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GE FANUC ENHANCED COMMUNICATION MODULE IC693CMM302F

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ALLEN-BRADLEY DATALINER OPERATOR INTERFACE CAT2706-D21J8

A-B NIPPONDENSO 8500-A2D-L1B AC Servo Motor [PZ4]

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750 kVA Transber OLSUN Electronics 12470-480/277 - Built in 02/97 Indoor Dry

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ALLEN BRADLEY 5130-KAA USPP 5130KAA

ALLEN BRADLEY 200042 NSPP 200042

INDRAMAT HDS03.2-W100N-HS76-01-FW USPP HDS032W100NHS760

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WEST ELECTRONICS M-3800 NSPP M3800

HONEYWELL TC-CCR012 NSFP TCCCR012

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Siemens 6ES6400-0EN00-0AA0 Micromaster Encoder FreeShip

SIEMENS MP370 12.1" 6AV6545-0DA10-0AX0 Touch Screen Display Glass

Reliance AutoMax SA 500 AC power module servo amplifier 615055-1S

Texas Instruments 505-4316

Statec Magnetic Memory Interface Module PPS8500DSS2C2

UC520-16U-4FXO-K9 CISCO 16U CME BASE CUE PHONE FL W/4FXO 1VIC

Siemens Contactor 3TF35-11 3TF3511 3TF35-11-0XM0 AC220V in Box

Modicon AS-W978-050

Schneider Modicon Pat Harrington Jr as from One Day At A Time 8X10 PHOTO 1

Schneider Modicon AEG/GOULD/MODICON/ AS-C484-265 MAINFRAME CONTROLLER RFB

Schneider Modicon AS-BDEP-013 NSPP ASBDEP013

Schneider Modicon AS-BDAP-216 Compact Out Module ASBDAP216

Schneider Modicon -AS-384A-204

Schneider Modicon DAP 216N/AS-BDAP-216N TSX Compact Current Source F20 817

Schneider Power Meter PowerLogic PM810MG

Schneider Modicon TSX Quantum 140DAI54000 Input Module 140 DAI 540 00

QX72 Mitsubishi PLC 64 Point DC Input

SIEMENS 6ES5456-4UA12 OUTPUT DIGITAL MODULE 6ES54564UA12

SIEMENS Sinumerik 6FC5403-0AA20-1AA0 6FC54030AA201AA0

Mitsubishi Communication module A1SJ71QC24N NEU BOX

SIEMENS Simodrive 6SN1118-0DM23-0AA0

SIEMENS SINUMERIK CONTROL DRIVE MODEL 6FC 3451 OJA Z

SIEMENS /MOORE QLCCM12ABN CRITICAL CONTROL MODULE NNB

Allen-BradleyPanelView 1200 Operator Interface 2711-TC1

Allen Bradley SLC 500 1746-OB16 Series D Output Module

ABB robot: DSQC 326 Robot computer for S4 cabinet - 3HAB2242-1

A06B-0146-B675 FANUC SERVO MOTORS REMANUFACTURED

01dB SIP95 Sound Level Logging Meter FFT Audio Analyzer

MULTILIN 750-P5-G5-S5-HI-A20-R-E NSFP 750P5G5S5HIA20RE

ALLEN BRADLEY 1756-L1M1 NSFP 1756L1M1

ALLEN BRADLEY 1336-B010-EAD-FA2 USPP 1336B010EADFA2

GENERAL ELECTRIC 502997 USPP 502997

SQUARE D PA360000M USPP PA360000M

SIEMENS 6SE3217-3DB40 NSPP 6SE32173DB40

AUTOMATION INTELLIGENCE 8207D82 USPP 8207D82

Siemens 6ES5 944-7UB11 -- 6ES59447UB11

Siemens Simatic S5 6ES5 526-3LF01 6ES55263LF01

SIEMENS 6ES5-701-1LA12 NSFP 6ES57011LA12

Siemens 6ES5 482-4UA20/6ES54824UA20 I/O Ver 02 SEALED OFFERS ACCEPTED

Siemens 6AV3503-1DB10 OP3 ping Worldwide

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Sans Digital HA-ARC-ARC1223X 2-Port Mini-SAS 6G SAS/SATA PCIe 2.0 x8 Controller

Superior Electric M063-FD09

SIEMENS Interface Module 6ES5 752-0AA43 WITH PAPERWORK

SER C F/W REV A PKG DATE 07/18/2011

Siemens 6SE7028-0ES87-2DA1 6SE7 028-0ES87-2DA1 FreeShip

Siemens USB/PPI+ USB PPI+ PLC Cable 6ES7 901-3DB30-0XA0

Schneider Modicon AS-BDEP-209 ASBDEP209 8 AC Input NIB

Schneider Modicon ASB875111 Analog Input Module AS-B875-111

Schneider Modicon AS-B840-108 USPP ASB840108

Schneider Modicon AS-B258-101 Analog MUX Mercury Relay 0 To 10 V B258-101

Schneider Modicon B872 4-20MA ANALOG CURRENT OUTPUT MODULE AS-B872-100 NO TERMINAL

Schneider Modicon AS-H827-107/ASH827107 Chassis Rack

SCHNEIDER MODICON TC2000 INDUSTRIAL PC OPERATOR INTERFACE 3515 KPM CASE BACK

Siemens 6ES5420-4UA13 Digital Input Module 32 DI 24VDC SIMATIC with Warranty

ROBOTRON 503-1-0324-07 USPP 5031032407

SIEMENS BREAKERS P/N: 1EC 60947 VDE 0660

SIEMENS Sinumerik CPU Slave 6FX1111-0AN02 E Stand E & 00

RELIANCE ELECTRIC AUTOMAX NETWORK COMMUNICATIONS MODULE 0-57404-1E

SIEMENS CONTROLLER CARD 6SN1118-0DM33-0AA0

SIEMENS 6SN1118-1NH01-0AA1 6SN1 118-1NH01-0AA1 SIMODRIVE 611-U Control Unit

SIEMENS 6FC5-110-0BB01-0AA1

AllenBradley2711P-RDT7C/C2711PRDT7CPanelviewPlus

ALLEN BRADLEY VersaView 1500M OPERATOR INTERFACE DISPLAY 6186-M15AL SER. B

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ADVANCED ENERGY MDX DC power supply, lots of 7

(N2-3) 1 ROBOTRON 323-0-0102-00 CONTROLLER N2-3

MEASUREX 053669-01 USPP 05366901

ALLEN BRADLEY 1336-B050-EAG-FA2-L2-S1 USPP 1336B050EAGFA2L2

GE FANUC IC600LX680 USPP IC600LX680

FANUC A16B-0160-0471 USPP A16B01600471

SIEMENS 6AV7-500-0BA00-0AA0 NSFP 6AV75000BA000AA0

RELIANCE ELECTRIC 2GU42001 USPP 2GU42001

SIEMENS 6ES7-315-2EG10-0AB0 USPP 6ES73152EG100AB0

Siemens 6ES5 470-4UB12 6ES54704UB12

Siemens 6ES5-945-7UA13 USPP 6ES59457UA13

SIEMENS 6ES5-440-8MA11 USPP 6ES54408MA11

Siemens 6ES5 777-0BB01 SINEC L1S5 BT 777

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Square D 8020 SMM-710

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WS-C3560-24TS-S Cisco Cat 3560 SWITCH 24 10/100 2 SFP SLOTS

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Siemens Simodrive 6SE1200-1GA36-2

Reliance Motomatic II

Schneider Modicon ASP890000 EXCELLENT Slot Mount Remote I/O Processor AS-P890-000

Schneider Modicon AS-B545-000 USPP ASB545000

Schneider Modicon AS-W513-010 USPP ASW513010

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Schneider Modicon AS-B825-016 24vdc Input Module XLNT

MODICON AS B828-016 OUTPUT MODULE 5VDC 16 PT

Siemens HTRI-D Addressable Dual Input Module- for FS-250 XLS

SHARP ZW-162N USPP ZW162N

SIEMENS OPERATOR INTERFACE PMU 6SE7090 0XX84 2FA0 2FAO

SIEMENS Sinumerik 6EV3053-0DC. Power Supply Module.

TEKTRONIX TDS2CMA Communication Module TESTE

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SIEMENS Simatic Simodrive Card C98040-A1026. .

SIEMENS 6FC5303-0AA02-0AA0 HANDWHEEL CONNECTION MODULE XLNT

Advantech POS-7671

ALLEN-BRADLEY 1746-NO4V OUTPUT MODULE ANALOG SLC500

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88141

ADEPT TECH 10332-00500 NSPP 1033200500

(000 nolot) 1 ABB Flow Meter 10DX3111AFE20P1A2BA1132X

INDRAMAT CLM1.3-X-0-2-B-FW USPP CLM13X02BFW

TELEMECANIQUE ATV-66D46-N4U USPP ATV66D46N4U

EDWARDS MC4200-C1 NSFP MC4200C1

CUTLER HAMMER 92-00639-05 USPP 920063905

PILZ 10/P60.112.2/480VAC USPP 10P601122480VAC

MODICON AS-521P-010 USPP AS521P010

HONEYWELL C-HPE20 USPP CHPE20

Siemens 6ES5 312-5CA11 6ES53125CA11

Siemens 6ES5-526-3LF11 NSPP 6ES55263LF11

SIEMENS 6ES5-373-1AA61/6ES5373-1AA61 MEMORY SUBMODULE NIB

Siemens 6ES5 306-7LA11 -- 6ES53067LA11

Siemens 6ES5-490-7LB21

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Siemens TP27 HMI 6AV3627-1QL00-0AX0 6AV36271QL000AX0

Siemens 6ES5927-3SA11

Lenel LNL-1300 Single Reader Interface Module

Yaskawa 87820-15003-S202 PLC Module 8782015003 NIB

SIEMENS 6ES7 223-1HF00-0XA0 in Sealed Box

Siemens OP37 6AV3637-1LL00-0FX1 Membrane Keypad ping Worldwide

Reliance 0-49002-2

Schneider Modicon AS-B805-016 800 I/O MODULE NIB

Schneider Modicon AS-884A-311 USPP AS884A311

Schneider Modicon AS-P230-080 USPP ASP230080

Schneider Modicon AS-B266-000 USPP ASB266000

Schneider Modicon AS-8534-000 Low Density Connector NIB

MODICON TELEMECANIQUE MAGELIS OPERATOR INTERFACE XBT F024110

SIEMENS SIMATIC S7 DIGITAL INPUT MODULE 6ES7 321-1BH02-0AA0 6ES7321-1BH02-0AA0

Siemens 6ES7 334-0KE00-0AB0 -- 6ES73340KE000AB0

Siemens Simatic Panel PC IL70 Touch Panel PC 6AG7011-1BA00-0AD0

Siemens 9350 9350DC-100-0NZZZA NIB Power Meter Display ION Profibus Access

SIEMENS Sinumerik MachiControl Panel 3T 548 025 9004

SIEMENS 6SN118-0AA11-0AA1 6SN11180AA110AA1 Simodrive

SIEMENS SIMODRIVE 6SN1123-1AA00-0HA0 with 6SN1118-0AD11-0AA0

SIEMENS Encoder 6FC9320-3DC F54621B00

Advantech PCM-9381

ALLEN-BRADLEY 2711E-K10C6 PANELVIEW 1000E OPERATOR INTERFACE

ABB 6228BZ10000D MULTIBUS SC D/F

Acterna FST-2310

6AV6112-1AB20-0DB0 COROS VP-B20

8520-MOP7 ALLEN BRADLEY MONITORS CRT REMANUFACTURED

SIEMENS 6SE3-228-4DK40 USPP 6SE32284DK40

BAILEY CONTROLS IMCOM-03 NSFP IMCOM03

ASEA BROWN BOVERI YB560103-CD/24 USPP YB560103CD24

MODICON 557VIC10400 USPP 557VIC10400

INDRAMAT MDD093A-N-030-N2L-110PB0 USPP MDD093AN030N2L1A

ASEA BROWN BOVERI GNT0137211P5 USPP GNT0137211P5

TYLAN GENERAL FC-3926V NSFP FC3926V

Siemens 6ES5-450-3AA11 USPP 6ES54503AA11

SIEMENS 6ES5 700-0LA12 6ES57000LA12

SIEMENS S5 6ES5 374-2KH215V Flash 256 kByte Memory 16Bit

Siemens S5 6ES5 955-3LF44 6ES5955-3LF44 6ES59553LF44

Siemens 6ES7 972-0BA51-0XA0 6ES79720BA510XA0 NIB

Siemens S7 CP443-5 Simatic 6GK7 443-5DX04-0XE0 FreeShip

Siemens 3LC5 277-1TB

Honeywell Intrusion 4100SM Serial Interface Module

WATERS HPLC SYSTEM INTERFACE MODULE

Siemens 6DS1731-8EA 6DS17318EA in Box, Seal opened,

Siemens LOGO! 24RCL PLC 6ED1053-1HB00-0BA2

Omron 3G2A5-RT002-E

Schneider Modicon AS-M480-004 ASM480004 4K Memory Carteidge

Schneider Modicon PCB Processor AS-500P-000 Rev B16 _ Assy S500 Rev B Circuit Board

Schneider Modicon AS-H827-003 USPP ASH827003

Schneider Modicon Groupe/Schneider/ AS-B804-016 unsed warranty

Schneider Modicon AS-BDEP-218

Schneider Modicon SA-B575-202 Stepper Motor Control AS-IS

Telemecanique Megelis HMI XBTG2220 Operator Interface

SCHNEIDER Telemecanique Switch XB4 BVB3

SIEMENS XBTGT1105 3.8" Touch Panel XLNT

Siemens 6AV6 542-0AD15-2AX0 MP270 Simatic Multi Panel