A kind of prefabricated case beam automatic spray curing meansTechnical field
The present invention relates to prefabricated case beam technical field more particularly to the setting of a kind of prefabricated case beam automatic spray curing meansMeter.
Background technology
Will sprinkle water maintenance in time after usual precast beam form removal, it is ensured that beam slab intensity reaches design requirement；General beam slab is supportedThere are three types of modes for shield：First, manually control valve；Second is that control electrically operated valve with multiple microcomputer time-controlled switchs；Third, it usesMicrocomputer time-controlled switch controls water pump (22).Operation is cumbersome and easily mistakes, and takes time and effort；Scale of precast yard is got at presentCome it is bigger, most beam fields beam making bench up to tens it is necessary to be operated with tens microcomputer time-controlled switchs, if it is multiple micro-During the same time service of computer time switch, water spray tap while the situation for causing hydraulic pressure inadequate too much held can be generated, mostCause monoblock beam slab spray not in place eventually.
Invention content
The present invention provides a kind of prefabricated case beam automatic spray maintenance dress for the shortcomings that not in place is sprayed in the prior artIt puts.
The present invention solves the problems, such as that spray is not in place, and present design devises automatic spray control loop, substantially in factIt now automates, greatly reduces labor intensity, improve productivity, reduce cost, ensure that the intensity and quality of beam slab.TogetherWhen entire precasting yard fire hydrant water, clean place water be all variable frequency pump supply water, be considerably reduced tap water in this wayDosage has saved production cost.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of prefabricated case beam automatic spray curing means, including automatic spray distribution box and Automatic-boosting pump assembly, automaticallyIt is pressurized pump assembly and includes Automatic-boosting pump assembly distribution box, water pump and stable-pressure device, Automatic-boosting pump assembly distribution box includes usingIn the frequency converter for adjusting pump motor rotating speed, frequency converter connect with water pump, and water pump input terminal is connected with water inlet pipe, water inlet pipe and outsidePortion water source connects；Water pump output terminal is connected with outlet pipe, and outlet pipe includes several branches, and each road is equipped with solenoid valve, fromThe automatic spray control loop for controlling electromagnetic valve work is equipped in dynamic spray distribution box.It is accordingly opened as long as clicking dailyIt closes, opens pump switch, beam slab will automatic spray on time as required.Automatic spray curing means terminates from supplying water to spray,It is basic to realize automation, while supplied water using variable frequency pump, originally water consumption is greatly reduced, has saved production cost.
Preferably, automatic spray control loop includes power supply circuit and control circuit, power supply circuit and control circuit are simultaneouslyConnection；Power supply circuit includes several power supply branches parallel with one another, and control circuit includes the controlling brancher of several interconnections, powersBranch and controlling brancher correspond, and power supply branch includes A.C. contactor and the solenoid valve of outlet pipe branch road, and solenoid valve leads toIt crosses A.C. contactor to be connected between power cord and zero curve, the control coil of solenoid valve is connected in corresponding controlling brancher.Controlling brancher is corresponded with power supply branch, and when controlling brancher in turn switches on, solenoid valve is also attracted successively automatically.
Preferably, controlling brancher further includes a button switch, a toggle switch, a time relay and oneIntermediate relay, button switch one end are connect with power cord, the coil connection of the other end and A.C. contactor, A.C. contactorCoil is connect with zero curve；The coil of the time relay is connected between toggle switch one side contact and zero curve, intermediate relayCoil is connected between toggle switch another side contact and zero curve；Toggle switch input terminal connects with intermediate relay normally opened contactIt connects, the normally opened timing closing contact of the time relay is in parallel with intermediate relay normally opened contact；The normally closed delay of the time relay is brokenContact portion is opened between ac contactor coil and time relay coil, the intermediate relay of all controlling branchers it is normally openedContact is sequentially connected in series, and there are one intermediate for series connection between the normally opened contact and zero curve of the intermediate relay in last group of controlling brancherThe coil of relay, if the intermediate relay is the first relay.Toggle switch is state prewired all first to be connected with the time relay,After previous controlling brancher is connected, the time relay obtains electric, and ac contactor coil obtains electric, and power supply branch way solenoid valve is attracted；WhenSetting time when time reaches, the normally opened timing closing contact closure of the time relay, the latter controlling brancher obtains electric.
Preferably, control circuit further includes gear selection circuit, gear selection circuit include two switching switches, oneButton switch, a time switch and several intermediate relays, if one of intermediate relay is the second relay, two are cutIt is respectively the first switching switch and the second switching switch to change switch, and the first switching switch and the second switching switch all have first respectivelyGroup contact and second group of contact, first group of contact series of the first switching switch in power cord, with second cut by second group of contactFirst group of contact portion of switch is changed, second first group of the switching switch contact other end is connect with button switch, and the second switching is openedIt connects with the normally opened contact of time switch the second group of contact closed；First normally opened contact of the second relay and time switchNormally opened contact is in parallel, and second normally opened contact is in parallel with button switch；First relay normally closed contact one end respectively with buttonTwo normally opened contacts connection of switch, the normally opened contact of time switch and the second relay, the normally-closed contact of the first relay are anotherToggle switch input terminal of the one end respectively with the second relay coil and first group of controlling brancher is connect, the second relay coil withZero curve connects；The coils from parallel connection of coils of remaining intermediate relay between contact and zero curve, is formed simultaneously in first group of the first switching switchConnection group, the button switch and ac contactor coil of first group of controlling brancher and in parallel group it is in parallel；Intermediate relay in parallel groupThe normally-closed contact of device is connected with the normally closed delay break contact of the time relay in controlling brancher；Time switch is connected on second and cutsSecond group of switch is changed between contact and zero curve.Gear selection circuit is for selecting automatic transmission, semi-automatic shelves or manual, mutuallyIntermediate relay in parallel obtain it is electric after, corresponding intermediate relay normally-closed contact disconnects in controlling brancher, only has in controlling brancherButton switch can obtain it is electric, can select at this time want opening controlling brancher press button switch.To carry out semi-automatic controlSystem, the toggle switch being not desired in open controlling brancher is allocated to and is connect with intermediate relay coil, then presses gear selection electricityButton switch in road can selectively connect solenoid valve in this way.
Preferably, indicator light is parallel in controlling brancher on ac contactor coil.Indicator light is used to indicate exchange and connectsTentaculum connects situation.
Preferably, external water source is tank, it is additionally provided with intelligent water pump, the intelligent water pump for controlling tank waterDistribution box and water level probe, water level probe are mounted in tank, and intelligent water pump distribution box includes frequency converter, frequency converter and intelligenceWater pump connects.The water level of tank uses intelligent control, and time saving and energy saving, variable frequency water supply mode being capable of limited saving water resource.
Preferably, the water pump of Automatic-boosting pump assembly is MODEL VERTICAL MULTISTAGE PUMP, stable-pressure device is air accumulator.
Preferably, several roads of outlet pipe are additionally provided with manually-operated gate.Manually-operated gate be used in solenoid valve failure orWhen person damages, the water outlet status of outlet pipe is controlled by manual type.
Preferably, it is additionally provided with isolating transformer in automatic spray distribution box.Isolating transformer is used to protect automatic sprayControl loop.
The present invention has significant technique effect as a result of above technical scheme：It can realize automatic spray.AutomaticallySpray terminates from supplying water to spray, basic to realize automation, greatly reduces labor intensity, improves productivity, reduce intoThis, ensure that the intensity and quality of beam slab.Reduce originally water consumption simultaneously, save production cost.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention 1.
Fig. 2 is the automatic spray control loop schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Fig. 4 is the enlarged diagram of part B in Fig. 2.
Fig. 5 is the enlarged diagram of C portion in Fig. 2.
Fig. 6 is the enlarged diagram of D parts in Fig. 2.
Fig. 7 is the enlarged diagram of E parts in Fig. 2.
The toponym that each number designation is referred in the figures above is as follows：Wherein, 1-automatic spray distribution box, 2-fromDynamic supercharging pump assembly, 3-water rate control unit, 21-Automatic-boosting pump assembly distribution box, 22-water pump, 23-stable-pressure device,24-water inlet pipe, 25-outlet pipe, 26-solenoid valve, 27-manually-operated gate, 31-intelligent water pump, 32-intelligent water pump distributionCase, 33-water level probe.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figures 1 to 7, the circuit that part repeats is omitted because circuit is longer, in Fig. 2.A kind of prefabricated case beam is automaticSpray maintenance device, including automatic spray distribution box 1 and Automatic-boosting pump assembly 2, Automatic-boosting pump assembly 2 includes Automatic-boostingPump assembly distribution box 21, water pump 22 and stable-pressure device 23, Automatic-boosting pump assembly distribution box 21 include adjusting 22 electricity of water pumpThe frequency converter of machine rotating speed, frequency converter are connect with water pump 22, and 22 input terminal of water pump is connected with water inlet pipe 24, water inlet pipe 24 and external waterSource connects；22 output terminal of water pump is connected with outlet pipe 25, and outlet pipe 25 includes several branches, and each road is equipped with solenoid valve26, the interior automatic spray control loop being equipped with for solenoid valve 26 to be controlled to work of automatic spray distribution box 1.Automatic spray distribution boxIsolating transformer is additionally provided in 1.The water pump 22 of Automatic-boosting pump assembly 2 is MODEL VERTICAL MULTISTAGE PUMP, and stable-pressure device 23 is air accumulator.Go outSeveral roads of water pipe 25 are additionally provided with manually-operated gate 27.
Automatic spray control loop includes power supply circuit and control circuit, and power supply circuit and control circuit are in parallel；Power supply electricityRoad includes several power supply branches parallel with one another, and control circuit includes the controlling brancher of several interconnections, power branch and controlBranch processed corresponds, and power supply branch includes the solenoid valve 26 of 25 roads of A.C. contactor and outlet pipe, and solenoid valve 26 passes throughA.C. contactor is connected between power cord and zero curve, and the control coil of solenoid valve 26 is connected in corresponding controlling brancher.
External water source is tank, is additionally provided with the water rate control unit 3 for controlling tank water, water rate control unitIncluding intelligent water pump 31, intelligent water pump distribution box 32 and water level probe 33, water level probe 33 is mounted in tank, intelligent water pumpDistribution box 32 includes frequency converter, and frequency converter is connect with intelligent water pump 31.
Controlling brancher further includes a button switch, a toggle switch, a time relay and an intermediate relayDevice, button switch one end are connect with power cord, the coil connection of the other end and A.C. contactor, the coil of A.C. contactor and zeroLine connects；The coil of the time relay is connected between toggle switch one side contact and zero curve, the coil series connection of intermediate relayBetween toggle switch another side contact and zero curve；Toggle switch input terminal is connect with intermediate relay normally opened contact, the time afterThe normally opened timing closing contact of electric appliance is in parallel with intermediate relay normally opened contact；The normally closed delay break contact connection of the time relayBetween ac contactor coil and time relay coil, the normally opened contact of the intermediate relay of all controlling branchers is gone here and there successivelyJoin, connecting between the normally opened contact and zero curve of the intermediate relay in last group of controlling brancher, there are one the lines of intermediate relayCircle, if the intermediate relay is the first relay.
Control circuit further includes gear selection circuit, gear selection circuit include two switching switches, a button switch,One time switch and several intermediate relays, if one of intermediate relay is the second relay, two switching switches pointNot Wei the first switching switch and the second switching switch, the first switching switch and the second switching switch all have respectively first group of contact andSecond group of contact, first group of contact series of the first switching switch are in power cord, second group of contact and the second switching switchFirst group of contact portion, second first group of the switching switch contact other end are connect with button switch, and the second of the second switching switchIt connects with the normally opened contact of time switch group contact；First normally opened contact of the second relay and the normally opened contact of time switchParallel connection, second normally opened contact are in parallel with button switch；First relay normally closed contact one end respectively with button switch, time controlTwo normally opened contacts of the normally opened contact of switch and the second relay connect, the normally-closed contact other end of the first relay respectively withThe toggle switch input terminal connection of second relay coil and first group of controlling brancher, the second relay coil are connect with zero curve；The coils from parallel connection of coils of remaining intermediate relay forms group in parallel in first group of the first switching switch between contact and zero curve, and firstThe button switch and ac contactor coil of group controlling brancher and in parallel group of parallel connection；The normally closed of intermediate relay in parallel group is touchedPoint is connected with the normally closed delay break contact of the time relay in controlling brancher；Time switch is connected on the second switching switch secondBetween group contact and zero curve.In the present embodiment, when carrying out manual operation, circuit is first connected, at this moment the voltage on voltmeterShould be 220V, at this moment switching switch SA1 is turned to it is manual, at this moment intermediate relay KAI, KA2, KA3, KA4, KA5, KA6,KA7, KA8 obtain electric, the normally-closed contact disconnection in all controlling branchers, such as KA11, KA12, KA13, KA14.It is arbitrary to press control branchButton switch in road such as switchs SB1, and A.C. contactor K1 is closed, and solenoid valve M1, M2 obtain electric, and beam slab starts to spray.It carries out certainlyDuring dynamic shelves operation, switching switch SA1 is turned to automatic, in order to work, convenient be divided into automatically is two kinds, it is semi-automatic with it is automatic.UsingDuring semi-automatic shelves, switching switch SA2 is turned to semi-automatic, the toggle switch in the controlling brancher corresponding to beam slab that will be conservedThe direction of Connection Time relay coil, such as toggle switch SB2, SB6, SB8, SB22, SB26, SB29 are allocated to, is at this moment pressed againLower half automatic button SBA2, at this moment the second relay coil KA obtain electric, normally opened contact KA1 be closed, at this moment toggle switch SB2 connectBe time relay T1, A.C. contactor K1 coils and time relay T1 coils simultaneously it is electric, A.C. contactor K1 is connected,First beam slab pedestal starts automatic spray.Until the normally closed delay break contact T11 disconnections of time relay T1, A.C. contactorK1 coil losing electricities, K1 contacts disconnect, and First beam slab pedestal stops automatic spray.The normally opened timing closing contact of the time relayT12 is closed, and toggle switch is pressed toward another side, and intermediate relay K4 obtains electric, normally opened contact K4 closures, the past connections of toggle switch SB6The direction of intermediate relay coil is pressed, A.C. contactor K5, time relay T3 simultaneously electric, K5 contact closures, third platform beamPallet seat starts automatic spray, and normally closed delay break contact T31 is disconnected after one minute, and A.C. contactor K5 coil losing electricities touchPoint disconnects, and third platform beam slab pedestal stops automatic spray, and the normally opened timing closing contact T32 of the time relay is closed.Other are with thisAnalogize, corresponding beam slab by the defined time will automatic spray conserve.After each pedestal beam slab spray, first afterElectric apparatus coil K61 obtains electric, normally-closed contact K61 disconnections, the second relay coil KA dead electricity, and normally opened contact disconnects, automatic spray oneA cycle stops.
When switching switch SA2 is turned to it is automatic when, when time switch acts, time switch S normally opened contacts are closed, at this moment secondRelay coil KA obtains electric, and normally opened contact KA2 is closed, and at this moment toggle switch SB2 connections are time relay T1, ac contactorDevice coil K1, time relay coil T1 simultaneously electric, A.C. contactor K1 contact closures, beam slab pedestal 1 start automatic spray,Principle is identical with semi-automatic shelves.As soon as when automatic spray after circulation terminates, by time switch S by regulation mix up the time prepare underA automatic spray cycle.
In short, the foregoing is merely presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patentVariation and modification should all belong to the covering scope of patent of the present invention.