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　　隨著建筑行業(yè)的智能化程度越來越高，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。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(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，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(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)通過分配閥的轉(zhuǎn)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(guān)鍵部件，會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、電動機(jī)起動/停止、2個接近開關(guān)、4個電磁閥、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，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，提升在海外市場的競爭力。

SYMAX 8030-RIM-123 NSFP 8030RIM123

ALLEN BRADLEY 1770-T3 USPP 1770T3

ALLEN BRADLEY 1336-B010-EOD USPP 1336B010EOD

GE FANUC IC3600SIXH1 USPP IC3600SIXH1

SICK OPTIC ELECTRONIC CLV-480-1010 NSFP CLV4801010

ITE SIEMENS ND63F120 USPP ND63F120

SKF 64010000 NSPP 64010000

Siemens 6ES5 305-7LA11 6ES53057LA11

Siemens 6ES5 981-0HA11 6ES59810HA11

SIEMENS 6ES5 265-8MA01 HIGH SPEED SUB CONTROL

SIEMENS 6ES5-777-0BC01/6ES5777-0BC01 BUS TERMINAL MODULE XLNT

Siemens 6ES5 700-8FA11 6ES5 700-8FA11S5 Bus Module 60 DAYS WARRANTY

Siemens 6DS1325-8AA 6DS13258AA in Box, Seal opened,

Siemens LOGO! 230RC 6ED1052-1FB00-0BA6 in box

Robotron 503-1-0324-16 5031032416 I/O Module No Box

Telemecanique TSXP1720FD

SIEMENS/TI 505-7339/5057339 INTERFACE MODULE NIB

Wago 750-343 PROFIBUS DP ECO FIELDBUS COUPLER

Siemens 7XP2041-2MA00-0AA0/BB SIPROTEC 7SS60

Modicon AS-S902-171

Schneider Modicon Battery Back up Assembly AS-5378-002 6968

Schneider Modicon AEG/GOULD// AS-E381-902 EXECUTIVE CARTRIDGE XLNT

Schneider Modicon AS-B881-001 USPP ASB881001

Schneider Modicon AS-884A-101

Schneider Modicon MODULE MEMORY PROM & PC AS-521P-111 Repaired

Schneider Modicon AS-P120-000 AC POWER CONVERTER BRAN

Schneider Automation Inc 140 DAO 842 10 Output Module

SIEMENS 500-5009 ANALOG INPUT MODULE 5005009

RELIANCE ELECTRIC 57416-S REMOTE I/O COMMUNICATIONS MODULE 57C416

SIEMENS 6ES7-623-1DE01-0AE3 OPERATOR INTERFACE C7-623 GOOD TAKEOUT MAKE OFFER

SIEMENS Sinumerik Power Supply 6FC5114-0AA01-0AA1 E.Stand B

Palm Treo 650 Simcard Communications Board Module Part TESTED USA

SIEMENS Servo Driver 6SN1118-1NH01-0AA1 (6SN11181NH010AA1) NIB

SIEMENS Stepdrive C 6FC5548-0AA02-0AA0 Free Ship

SIEMENS 1P 6FC5247-0AA00-0AA2 Sinumerik 840D NCU-BOX 13A 6FC52470AA000AA2 UEX

ALLENBRADLEY1771-OW16OUTPUTMODULE1771OW16

Allen Bradley Solid State Timer 700-RT00W000A1 0.2-8 s

ABB Model S504-200-4-OOPO AC Adjustable frequency Drives with controllers.

Zinsco QSF6033 600 Amp 240 Volt 3 Phase Switch

(X2-3) 1 BAILEY NPSM02 POWER SUPPLY X2-3

MODICON 140CPU43412U USPP 140CPU43412U

ALLEN BRADLEY 1392B-040R-FMC USPP 1392B040RFMC

GENERAL ELECTRIC DS3820PMMB1A1B USPP DS3820PMMB1A1B

FOXBORO A2047VE USPP A2047VE

SIEMENS 6FC5-110-0DB02-0AA2 USPP 6FC51100DB020AA2

SCHWEITZER ENGINEERING 221F00-4256MHNB USPP 221F004256MHNB

WINTRISS MACHINE CONTROL 9672503 NSPP 9672503

Siemens 6ES5 544-3UA11 -- 6ES55443UA11

Siemens INTERFACE MODULE 6ES5-316-8MA12

SIEMENS 6ES5-454-7LB11 USPP 6ES54547LB11

Siemens 6ES5 420-7LA11 6ES5 420-7LA11S5 420-7 Digital Input WARRANTY

Siemens S5 Output card 6ES5 441-8MA11

Siemens CP243-1 6GK7 243-1EX01-0XE0 6GK72431EX010XE0

Shuttle SZ68R5 Barebone system LGA1155 Inb Z68 Chipset-no CPU no memory

Square D 8030 HRK-150

SHURE ST2500 Teleconference Phone System Interface Acoustic Module

WE SHIP SAME SLM2048PT CISCO 50PORT GIGABIT POE SMART SWITCH SG200-50P

Siemens 6FM1707-3AA10

Siemens TP177 6AV6640-0CA11-0AX0 Touchscreen Glass FreeShip Worldwide

Schneider Modicon Smallville Season 1 Piceworks Card of John as Jonathan Kent PW3

Schneider Modicon AS-BDEP-257 I/O MODULE ASBDEP257

Schneider Modicon AS-B804-000 USPP ASB804000

Schneider Modicon Input Module 16PT AS-BDEP-218 115VAC Isol 4855

Schneider Modicon AS-J812-000 REMOTE I/O ADAPTER NIB

Schneider Modicon AS-B872-200 OUTPUT MODULE ANALOG

SchneiderTelemecaniqueXBTG4330Panel

SIEMENS 6ES7-131-4BD00-0AB0 QUANTITY DIGITAL INPUT MODULE 4 DI 24VDC HF

SCE2020-4XGBE-MM Cisco Service Control Engine 2020 Network monitoring device

Siemens HMI 6AV6 643-0CD01-1AX1 NIB 6AV664310CD011AX1

SIEMENS SINUMERIK 6FX1133-0BA00 6FC3171-0AB CONTROL OPERATING PANEL MORI SEIKI

SIEMENS 6GK7343-2AH01-0XA0 CP 343-2 S7300 ASI MASTER COMMUNICATION MODULE

SIEMENS 6SN1123-1ABOO-OAA2 6SN11231AB000AA2 SIMODRIVE 611U MODULE

SIEMENS 6SN1123-1AA00-0AA0 Simodrive LT-Module

SIEMENS 6FC5-203-0AB13-0AA2 USPP 6FC52030AB130AA2

AllenBradleyPanelviewPlus12502711P-T12C4A6/A2711PT12C4A6

Allen-Bradley 1762-OF4 Analog Output Module IN BOX

ABB DCS402.0025 REV.B.1

Adept Technology 13000-15520 | 12mo | Free EU ping | Inc UK VAT

(6102) Allen Bradley Motor Starter 150-A97NBD 97Amp 3PH 208-480VAC (6102)

INDRAMAT MKD-112B-024-GP0-BN NSFP MKD112B024GP0BN

WESTERN PROCESS COMPUTERS 51400926-100 NSFP 51400926100

FANUC A06B-6058-H323 USPP A06B6058H323

DYNAMATIC AF-500708-0480 USPP AF5007080480

RELIANCE ELECTRIC 61C-160 USPP 61C160

NEMATRON CORP KP6141-A1W10A00 USPP KP6141A1W10A00

MOOG 151U433A1 NSPP 151U433A1

Siemens 6ES5 420-7LA11 6ES54207LA11

Siemens 6ES5-900-7AA11 USPP 6ES59007AA11

SIEMENS 6ES5-380-7AA12 PLC

Siemens 6ES5 430-7LA12 Digital Input

Siemens S5 6ES5 267-8MA11

Siemens 6SE7036-0EF85-0EA0 / C98043-A1691-L1-11

SIMENS MP277-10 6AV6643-0CD01-1AX1 Touch Panel in Box

Siemens A1-106-100-534-IS04

Mib Superset Interface Module SIM1 Refurbished

WS-X6704-10GE Cisco 6500 10 Gigabit EN Interface Module 4 ports

Siemens 6ES7 340-1CH02-0AE0 6ES7340-1CH02-0AE0 NIB

Siemens PLC Lithium Battery SL-750 SL750 no plug NIB

Reliance 0-55325-9

Schneider Modicon 7 Slot Primary Housing AS-H819-209

Schneider Modicon AS-B236-501 NSPP ASB236501

Schneider Modicon AS-P930-000 NSPP ASP930000

Schneider Modicon AS-B824-000 PLC

Schneider Modicon AS-B545-000

Modicon Output Module AS-B804-116_ASB804116_AS-B8O4-116_ASB8O4116_115 VAC

Siemens Simatic 6ES5430-4UA13 Input Module 6ES54304UA13

Siemens 6ES7 132-0BH01-0XB0 -FS- 6ES71320BH010XB0

SIEMENS Simatic 5 Digital Output Module 6ES5 451-4UA14 NIB BOX OPENED For Pixs

SIEMENS 6DD1-679-0AC0/6DD1679-0AC0 INTERFACE PANEL XLNT

SIEMENS SINUMERIK 6FX1120-4BD04 6FX11204BD04

SIEMENS 6SN1111-0AA00-1EV0 6SN11110AA001EV0 80KW SIMODRIVEBOX

SIEMENS SIMODRIVE 6SC 6110-6AA00 6SC61106AA00

SIEMENS 802S 6FC5 500-0AA00-1AA0 Membrane Keypad

Advantech Axiom Axiomtek IPC-586VDHGX Card FS

ALLEN-BRADLEY 1771-OW Contact Output Module

ABB ACS550-U1-072A-4 ACS550 Series AC Drive 480V AC 3PH 50HP BRAND 2013 VFD

ACUITY IMAGING 002-PV900 USPP 002PV900

6ES7453-3AH00-0AE0 Brand , Factory Sealed,

900 Amp Contactor

SQUARE D HU365DS USPP HU365DS

CLEVELAND MOTION CONTROL A5174-48 USPP A517448

BARBER COLMAN MSC-IOC NSFP MSCIOC

MODICON PC-CBCA-000 NSFP PCCBCA000

LEESON ELECTRIC CO 174749 USPP 174749

DODGE MR94903 USPP MR94903

Siemens 6ES5 100-8MA02 6ES51008MA02

Siemens 6ES5-464-8ME11/6ES5-464-8ME11 ANALOG INPUT MODULE NIB-FS

SIEMENS 6ES5 942-7UB11 6ES5942-7UB11 CPU942B S5-115U Processor 60 DAYS WARRANTY

SIEMENS S5 6ES5-305-7LA11 INTERFACE MODULE 6ES53057LA11

Siemens TI PLC TERMINAL 6ES5-490-7LB11 6ES54907LB11 S5

Siemens 6ES7321-1FF01-0AA0 6ES7 321-1FF01-0AA0

Siemens SINAUT MD741-1 6NH9 741-1AA00 6NH9741-1AA00

Siemens 6ES5305-7LA11

HP-IL Interface Module Manual for HP-71B Calculator

XpressKIT Interface and Bypass Modules from Directed Electronics XK06

SIEMENS 6ES5374-2FH21 6ES53742FH21

Siemens module STK6713BMK4

Omron CV500-LK201

Schneider Modicon AS-BDAP-216 ASBDAP216 16 24VDC Output

Schneider Modicon AS-384A-000 USPP AS384A000

Schneider Modicon AS-J878-000 ASJ878000 Fast Shipping

Schneider Modicon AS-516P-002 Processor Board Rev (AIND/UEX)

Schneider Modicon DTA200/AS-HDTA-200

Schneider Modicon /Schneider Electric AS-M480-004/ASM480004

Silent Knight SD500-MIM Miniature Addressable Input Module

Schneider TSXAEY800

Siemens Smart1000 HMI 6AV6648-0AE11-3AX06AV6 648-0AE11-3AX0/Operator Panel/

SIEMENS 505-4616 OUTPUT MODULE 5054616

SIEMENS SINUMERIK 810 6FX1121-4BB02 TESTED WARRANTY

CUTLER HAMMER D520CM3 COMMUNICATIONS LINK MODULE

SIEMENS Simodrive Control Board - C98043-A1304-L

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 BBB

Advantech ARK-3382 in Box

Allen-Bradley 7 Slot SLC 500 PLC Rack w/ 5 SLC500 Output Module 1746-OA16 S. D

ABB 3BSX796254R4, , 3BSX796254R4,

AccuRay 069829-001 FTI PC Board

A06B-6087-H137 FANUC POWER SUPPLY REMANUFACTURED

801429-21VE RELIANCE SERVO AMPLIFIER REMANUFACTURED

SIEMENS 6ES5-095-8ME03 USPP 6ES50958ME03

AMK AZ40 USPP AZ40

ALLEN BRADLEY 6181-CHEDBCZZZ USPP 6181CHEDBCZZZ

KOLLMORGEN IND BH-626-E-43-B3 USPP BH626E43B3

GIDDINGS & LEWIS 502-03994-00R0 USPP 5020399400R0

YOKOGAWA TR-603 USPP TR603

PACIFIC SCIENTIFIC R45-GENA-R2-NS-NV-00 USPP R45GENAR2NSNV00

Siemens 6ES5-324-3UR11 USPP 6ES53243UR11

SIEMENS 6ES5 437-8EA12 6ES54378EA12

SIEMENS S5 6ES5456-7LA11 6ES5 456-7LA11

Siemens Interface Module 6ES5-254-4UB21 37281

Siemens 6ES7 223-1PH22-0XA0 6ES7223-1PH22-0XA0 in Box ping

SIEMENS OP7 6AV3 607-1JC20-0AX1 Membrane Keypad

QLogic SANBox FC Switch 5602 20-Port SB5602Q-20A 4GB Fabric Switch Dual PS

Genuine OEM Mercedes MHI Bluetooth BT Phone Interface B67875878 Fits 2005 2009

TI TEXAS INSTRUMENTS 510-7105 VPU INTERFACE MODULE

SIEMENS 3RK1 903-0AB00 3RK1903-0AB00 NIB

Siemens ET200S 6ES7 131-4BD01-0AA0 6ES7131-4BD01-0AA0

Modicon PC-E984-381

Schneider Modicon GOULD P933 POWER SUPPLY AS-P933-000

Schneider Modicon AS-BDEP-297 Discreet IN 16x48 VDC ASBDEP297

Schneider Modicon AS-C921-100 NSPP ASC921100

Schneider Modicon ASP120000 Power Sply AS-P120-000

Schneider Modicon DAP216N AS-BDAP-216N INPUT MODULE 65

Schneider Modicon Memory Module AS-M380-006

Schneider Telemecanique XBT-F034110 XBTF034110

Schneider ATS48D47Q

PROSOFT MVI56-GSC USPP MVI56GSC

Siemens 6ES5 470-4UB12 6ES54704UB12 Analog Output Module

SIEMENS 6DD2920-0AD0 LIGHT RECEIVER MODULE

HOST AUTO PRODUCTS COMMUNICATION MODULE H4-ENET

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 #2ZP

SIEMENS SINUMERIK 820 6FC3261-1AC-Z BACKPLANE 5703749001.51 TESTED WARRANTY

SIEMENS MOORE IND LCM LINK CONVERTER RS485 TO RS232 ADAPTER LCM/RS485/RS24V/DIN

Allen-Bradley PanelView 600 2711-B6C10

55 Filb Microwave Waveguides DMC378-000008-001 37.0-40.0 GHz

ABB TAYLOR MOD 300 BACKUP MEMORY MODULE 6214BZ10110F P6214BZ10110F

A06B-0153-B077#0008 FANUC SERVO MOTORS REMANUFACTURED

70909A-Z40 and 70590A-Z40 w/Interconnect Cables, GOOD

RELIANCE ELECTRIC 0-58820-2 USPP 0588202

ALLEN BRADLEY 1785-L30B/E NSFP 1785L30BE

ALLEN BRADLEY 1391-T125DT NSPP 1391T125DT

GENERAL ELECTRIC DS3800NPSE1B1A USPP DS3800NPSE1B1A

TOSHIBA VT130G1-2270-BOH USPP VT130G12270BOH

SYMAX 8010-SPR-402 USPP 8010SPR402

FANUC A20B-0008-0470 USPP A20B00080470

Siemens 6ES5-095-8MB03 USPP 6ES50958MB03

SIEMENS 6ES5 315-8MA11 -- 6ES53158MA11

SIEMENS 6ES5928-3UA12 6ES5 928-3UA12S5-135U CPU928A Processor

Siemens 6ES5 710-8MA11 USPP 6ES57108MA11

Siemens 6ED1 055-1MA00-0BA0 6ED10551MA000BA0 in Box

Siemens LOGO! 6ED1052-1CC00-0BA3 6ED1 052-1CC00-0BA3

RIS TM-2482-P13-000-P2-00-RE-00 TEMPERATURE MONITOR 117

Telemecanique XGS-B626010

SMC EX230-SDN1 DEVICENET INTERFACE MODULE

WAGO 750-303 750303 Profibus DP/FMS

Siemens Board C98043-A7014-L2

Modicon AS-T484-001

Schneider Modicon AUTOMATION NUL 200 AS-BNUL-200 BLANK UNIT PREWIRING

Schneider Modicon AEG/GOULD// AS-B570-001 OUTPUT MODULE XLNT

Schneider Modicon AS-B883-200 THEROCOUPLE MODULE RECONDITIONED

Schneider Modicon AS-B231-501

Schneider Modicon Output Reed Relay Module AS-B840-108 WARRANTY

Schneider Modicon AS-P451-622 Remote I/O Power Supply

SCHNEIDER AUTOMATION 140DRA84000 TSX QUANTUM OUTPUT MODULE PLC 16 POINT RELAY

SIEMENS 1P 6ES7 221-1BF20-0XA0 INPUT MODULE- 2 PCS