CN2851671Y - Concrete conveying pump control system - Google Patents

Concrete conveying pump control system Download PDF

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Publication number
CN2851671Y
CN2851671Y CN 200520120309 CN200520120309U CN2851671Y CN 2851671 Y CN2851671 Y CN 2851671Y CN 200520120309 CN200520120309 CN 200520120309 CN 200520120309 U CN200520120309 U CN 200520120309U CN 2851671 Y CN2851671 Y CN 2851671Y
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CN
China
Prior art keywords
oil pump
main
way valve
pump
auxiliary
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Expired - Fee Related
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CN 200520120309
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Chinese (zh)
Inventor
吴志初
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GUANGZHOU JIAERHUA XINXIN MECHANICAL MACHINERY CO Ltd
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GUANGZHOU JIAERHUA XINXIN MECHANICAL MACHINERY CO Ltd
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Abstract

The utility model relates to a concrete conveying pump control system. A hydraulic loop comprises a main oil pump which is connected with an oil tank, a first non-return valve which is connected with the main oil pump, and a main valve block which is connected with the first non-return valve, wherein the main valve block is connected to the oil tank. The utility model also comprises one or more accessory oil pumps which are connected with the oil tank in parallel; each accessory oil pump is connected with non-return valves of the accessory oil pumps in series; the non-return valves of the accessory oil pumps and the first non-return valve are connected in parallel and are jointly input to an oil inlet of the main valve block; an electric appliance loop comprises an industrial control device which is electrically connected with a control power source, a main electric appliance and an executive electric appliance which are electrically connected with the industrial control device, and a main motor and two or more accessory motors which are electrically connected with the executive electric appliance. The number of the accessory motors corresponds to the number of the accessory oil pumps. The utility model has the advantages that according to difference requirements to pumping construction of concrete of the usage field, the utility model not only can pump high-label and low-collapse degree special concrete with long distance and large conveying capacity, but also can be used as a small power pump, and the utility model can generally pump the conventional concrete.

Description

A kind of transmission and concrete transmission pump control system
Technical field:
The utility model relates to the electrodynamic type concrete conveyer in the construction implement, particularly relate to a kind of many motors multi-pump control system that is applicable to remote, big quantity delivered pumping high grade, low slump concrete pump, belong to the control technique field of electric hydraulic.
Background technique:
The electrodynamic type concrete pump is to rely on the main oil pump motor that power is provided, drive main oil pump and discharge the pressure oil of certain pressure and flow, utilize hydraulic jack to promote piston to-and-fro motion in the transmission and concrete transmission cylinder, the switching by distributing valve makes the concrete in the cylinder barrel deliver to the construction part that need build through piping.Whether continuously steadily and meet construction requirement concrete conveying depends primarily on three aspects: whether the rated power of main oil pump motor enough big, the pressure oil discharge capacity of main oil pump whether enough greatly, whether the net capacity of job site satisfy the work requirements of main oil pump motor.
At present, along with putting into operation of national key project engineerings such as China's water conservancy and hydropower, expressway and high-speed railway, the required low concrete consumption of slump of high grade of engineering increases sharply, and simultaneously, high-level construction quality has also proposed strict requirement to concrete quantity delivered.In order to adapt to the needs of this concrete pumping construction, the power (such as increasing to 180KW) that just must increasing motor and the discharge capacity (such as increasing to 120m3/ hour) of main oil pump, traditional way is that one-side increasing main oil pump power of electric motor improves the outlet pressure of concrete pump, carries the low concrete purpose of slump of high grade thereby reach big discharge capacity.But, because the job site is very different with electricity quality, the separate unit of the above high power motor of 132KW starts and normal operation is difficult to ensure, the electrical network of job site is caused great impact, even entail dangers to personal safety and cause the damage of equipment and the collapse of electrical network.On the other hand, the use of concrete pump can not be confined to some specific job sites, the phenomenon of low load with strong power will appear in separate unit high power motor concrete pump when other do not require the construction site of high grade, low slump and big quantity delivered to use, cause the significant wastage of electric energy; Or the less construction site of scale can't use the pump machine because of the deficiency of net capacity, causes the idle of equipment.
Summary of the invention:
The purpose of the utility model control system is to make the concrete pump can be according to the different requirements of using the on-site concrete pumping construction, not only can grow the special concrete of distance, big quantity delivered ground pumping high grade, low slump but also can be used as the small-power pump and use, carry out general conventional concrete pumping.
A kind of transmission and concrete transmission pump control system comprises fuel tank, main oil pump, main valve piece, main motor, industrial controlled machine, execution electrical equipment, master control electrical apparatus, oil hydraulic circuit, electric loop, main oil pump and main drive axle of motor mechanical connection; Be provided with signals collecting and Output Control Program in industrial controlled machine inside, oil hydraulic circuit comprises the main oil pump that is connected with fuel tank, first one-way valve that is connected with main oil pump, and the main valve piece that is connected with first one-way valve, the main valve piece is connected on the fuel tank; Oil hydraulic circuit also comprises the one or more auxiliary oil pump in parallel with fuel tank, is connected with the auxiliary oil pump one-way valve on each auxiliary oil pump, the filler opening of auxiliary oil pump one-way valve common input main valve piece in parallel with first one-way valve; Electrical circuit comprises the industrial controlled machine that is electrically connected with the control power supply, master control electrical apparatus that is electrically connected with industrial controlled machine and execution electrical equipment, and with main motor and two or more auxiliary motor that execution electrical equipment is electrically connected, the number of auxiliary motor is corresponding with the number of auxiliary oil pump; The transmission shaft mechanical connection of the auxiliary motor that auxiliary oil pump is corresponding with it.The output power of concrete pump can be the power of main motor, main motor and auxiliary motor in one, a plurality of or whole power sum that adds up.Industrial controlled machine is the U.S. snap-lcsx-plus of an OPTO company industrial controlled machine.Constitute main electric loop between primary power supply and main motor, the auxiliary motor, constitute the control electric loop between control power supply and master control electrical apparatus, industrial controlled machine, the execution electrical equipment.
As a kind of technological scheme of the present utility model, the number of main oil pump is one, and the number of auxiliary oil pump is one, i.e. first auxiliary oil pump, the number of auxiliary oil pump one-way valve is one, i.e. second one-way valve is parallel to the filler opening of main valve piece again behind first auxiliary oil pump and second one-way valve polyphone.Power as main motor is generally 90KW, and the power of auxiliary motor is generally 90KW, and then the output power of concrete pump can be 90KW, also can be 180KW.
As another kind of technological scheme of the present utility model, the number of main oil pump is one, the number of auxiliary oil pump is two, the number of auxiliary oil pump one-way valve is two, be that auxiliary oil pump comprises first auxiliary oil pump, second auxiliary oil pump, the auxiliary oil pump one-way valve comprises second one-way valve, the 3rd one-way valve, is parallel to the filler opening of main valve piece behind first auxiliary oil pump and second one-way valve polyphone again, is parallel to the filler opening of main valve piece behind second auxiliary oil pump and the 3rd one-way valve polyphone again.Power as main motor is generally 90KW, and the power of auxiliary motor is generally 90KW, and then the output power of concrete pump can be 90KW, also can be 180KW, also can be 2700KW.
The transfer pump control system is simple in structure on the coagulation, working stability is reliable, the low easy-maintaining of rate of fault, the more important thing is can be according to the different requirements of using the on-site concrete pumping construction, not only can grow the special concrete of distance, big quantity delivered ground pumping high grade, low slump but also can be used as the small-power pump and use, carry out general conventional concrete pumping, improved the applicability of equipment, given play to the whole utilization efficiency of equipment to greatest extent.
With the dual-motor double pump is example, description of drawings:
Fig. 1 is the electrical schematic diagram of embodiment's 1 two pumps two motors.
Fig. 2 is embodiment's 1 two pumps two motor industrial controlled machine schematic diagrams
Fig. 3 is the electrical schematic diagram of embodiment's 1 two pumps two motor master control electrical apparatus
Fig. 4 is the electrical schematic diagram that embodiment's 1 two pumps two motors are carried out electrical equipment
Fig. 5 is the electrical principle flow chart of embodiment's 1 two pumps two motors.
Fig. 6 is the hydraulic schematic diagram of embodiment's 1 two pumps two motors.
Fig. 7 is the electrical schematic diagram of embodiment's 2 three pumps three motors.
Fig. 8 is embodiment's 2 three pumps three motor industrial controlled machine schematic diagrams
Fig. 9 is embodiment's 2 three pumps three motor master control electrical apparatus schematic diagrams
Figure 10 is that embodiment's 2 three pumps three motors are carried out electrical schematic
Figure 11 is the electrical principle flow chart of embodiment's 2 three pumps three motors.
Figure 12 is the hydraulic schematic diagram of embodiment's 2 three pumps three motors.
Embodiment:
Embodiment 1
As shown in Figure 5 and Figure 6, a kind of transmission and concrete transmission pump control system, comprise fuel tank 1, main oil pump 2, main valve piece 3, main motor 4, industrial controlled machine 5, carry out electrical equipment 6, master control electrical apparatus 7, oil hydraulic circuit, electric loop, the transmission shaft mechanical connection of main oil pump 2 and main motor 4; Be provided with signals collecting and Output Control Program in industrial controlled machine 5 inside, oil hydraulic circuit comprises the main oil pump 2 that is connected with fuel tank 1, first one-way valve 8 that is connected with main oil pump 2, and with the main valve piece 3 that first one-way valve 8 is connected, main valve piece 3 is connected on the fuel tank 1; Oil hydraulic circuit also comprises first auxiliary oil pump 9 that is connected with fuel tank 1, the filler opening of the pressure oil of second one-way valve, 10, the second one-way valves 10 that are connected with first auxiliary oil pump 9 common input main valve piece 3 in parallel with the pressure oil of first one-way valve 8; Electrical circuit comprises the industrial controlled machine 5 that is electrically connected with control power supply 11, master control electrical apparatus 7 that is electrically connected with industrial controlled machine 5 and execution electrical equipment 6, the main motor 4 and first auxiliary motor 12 that are electrically connected with execution electrical equipment 6; The transmission shaft mechanical connection of first auxiliary oil pump 9 and first auxiliary motor 12.The pressure oil that the main oil pump 2 and first auxiliary oil pump 9 are discharged is respectively by behind first one-way valve 8 and second one-way valve 10, the filler opening of two-way pressure oil common input main valve piece 3 in parallel, under the effect of control circuit, by the commutation of main valve piece 3, pressure oil can promote the purpose that the main oil cylinder piston to-and-fro motion reaches pump concrete.The effect of first one-way valve 8 and second one-way valve 10 is to make the pressure oil of main and auxiliary two oil pumps discharge pass back into the other side's oil pump.
As shown in Figure 1, HL1 is the master control power supply indicator, and HL2 is main motor triangle run indicator, and HL3 is the first auxiliary motor triangle run indicator.Two 90KW masters, first auxiliary motors all adopt star one triangle start martingale, when effectively reducing electric motor starting to the impact of electrical network.Industrial controlled machine 5 adopts the snap-lcsx-plus industrial controlled machine of U.S. OPTO company, and its principle as shown in Figure 2.By the startup of industrial controlled machine 5 internally stored programs control two motors, stop the work of order and complete machine, its working procedure is: (1) must main motor 4 start finish and enter the triangle operating condition after just can start first auxiliary motor 12 and carry out pumping operation; (2) first auxiliary motor 12 and pumping work stopped immediately after main motor 4 stopped, and the operation that stops not influence pumping work and main motor 4 of first auxiliary motor 12; When (3) main motor 4 works independently first auxiliary motor 12 and first auxiliary oil pump 9 are not influenced.
Extremely shown in Figure 4 as Fig. 2, main motor 4 starts, during SB1 ON (P2.2 of Fig. 3), electrical signal is by the input end (P3 of Fig. 2) of No. 19 line input industrial controlled machines, under the effect of industrial controlled machine internal processes, its output terminal 33 points (P4.1 of Fig. 2) output AC 220V power supply is to the coil KM1 of motor M 1 (Fig. 1), A.C. contactor KM1 gets electric closure (P2.4 of Fig. 4), and the capable startup of motor M 1 beginning star is under the instruction of industrial controlled machine internal processes, after 15 seconds, industrial controlled machine disconnects 33 power supply output, and then, 34 output AC 220V power supplys are to the coil KM2 of motor M 2 (Fig. 1), A.C. contactor KM2 gets electric closure (P2.4 of Fig. 4), motor M 1 beginning triangle operation.Like this, main motor M 1 drives main oil pump (among Fig. 6 2) work.In this state, during pumping start button SB5 ON (P2.2 of Fig. 3), electrical signal is by the input end (P3 of Fig. 2) of No. 23 line input industrial controlled machines, under the effect of industrial controlled machine internal processes, its output terminal 37,38,39,40,41,42,43 points (P4.2 of Fig. 2) instruct according to the industrial controlled machine internal processes, alternately export direct current 24V power supply to solenoid valve YV1, YV2, YV3, YV4, YV5, YV6 and pumping tutorial light HL2 (P2.3 of Fig. 4), switching by two distributing valves also cooperates two master cylinders to push, concrete is pushed out, and two offer the master cylinder commutation signal near switch S Q1 and SQ2.Concrete pump promptly uses as the conventional pump machine of 90KW power, transmission and concrete transmission amount 60m3/h; After main motor 4 startups finish and enter the triangle operating condition, press auxiliary motor start button SB3 (Fig. 3 P2.2), auxiliary motor M2 promptly starts operation according to the star triangle start mode identical with above-mentioned main motor, and this moment, the motor of two 90KW moved simultaneously, and complete machine has the output power of 180KW; The quantity delivered sum of main and auxiliary oil pump also reaches 120m3/ hour.Realize the transmission and concrete transmission pump control system, expanded the Applicable scope of concrete pump; Two motors can carry out the star-triangle reduced-voltage starting separately, has greatly reduced the impact to electrical network.The YV1 of Fig. 4 represents right distributing valve, and YV2 represents left distributing valve, and YV3 represents left master cylinder, and YV4 represents right master cylinder, and YV5, YV6 represent to lubricate, and HL2 is the pumping indication.
Embodiment 2
As Fig. 7 and shown in Figure 14, as different from Example 1, oil hydraulic circuit also comprises second auxiliary oil pump 14 in parallel with fuel tank, with the 3rd one-way valve 15, the three one-way valves 15 of second auxiliary oil pump, 14 polyphones and the filler opening of first one-way valve 8, second one-way valve, 10 common input main valve pieces 3 in parallel; Electrical circuit also comprises and carries out the transmission shaft mechanical connection that electrical equipment 6 is electrically connected second auxiliary motor, 13, the second auxiliary motors 13 and second auxiliary oil pump 14.
As shown in Figure 7, as shown in Figure 1, HL1 is the master control power supply indicator, and HL2 is main motor triangle run indicator, and HL3 is the first auxiliary motor triangle run indicator, and HL3 is the first auxiliary motor triangle run indicator.Three main and auxiliary motors of 90KW all adopt star one triangle start martingale, when effectively reducing electric motor starting to the impact of electrical network.Industrial controlled machine 5 adopts the snap-lcsx-plus industrial controlled machine of U.S. OPTO company, and its principle as shown in Figure 8.By the startup of three motor of industrial controlled machine 5 internally stored programs control, stop the work of order and complete machine, its working procedure is: (1) must main motor 4 start finish and enter the triangle operating condition after just can start first auxiliary motor 12, second auxiliary motor 13 and carry out pumping operation; (2) car first auxiliary motor 12, second auxiliary motor 13 and pumping work stopped immediately after main motor 4 stopped, and the operation that stops not influence pumping work and main motor 4 of first auxiliary motor 12, second auxiliary motor 13; When (3) main motor 4 works independently first auxiliary motor 12, second auxiliary motor 13 and auxiliary oil pump are not influenced.
Main motor 4 starts, during SB1 ON (P8.2 of Fig. 8), electrical signal is by the input end (P9 of Fig. 8) of No. 19 line input industrial controlled machines, under the effect of industrial controlled machine internal processes, its output terminal 33 points (P10.1 of Fig. 8) output AC 220V power supply is to the coil KM1 of motor M 1 (Fig. 7), A.C. contactor KM1 gets electric closure (P8.4 of Figure 10), the capable startup of motor M 1 beginning star, under the instruction of industrial controlled machine internal processes, after 15 seconds, industrial controlled machine disconnects 33 power supply output, then, 34 output AC 220V power supplys are to the coil KM2 of motor M 2 (Fig. 7), and A.C. contactor KM2 gets electric closure (P8.4 of Figure 10), motor M 1 beginning triangle operation.Like this, main motor M 1 driving main oil pump 2 work.In this state, during pumping start button SB5 ON (P8.2 of Fig. 9), electrical signal is by the input end (P9 of Fig. 8) of No. 23 line input industrial controlled machines, under the effect of industrial controlled machine internal processes, its output terminal 37,38,39,40,41,42,43 points (P10.2 of Fig. 8) instruct according to the industrial controlled machine internal processes, alternately export direct current 24V power supply to solenoid valve YV1, YV2, YV3, YV4, YV5, YV6 and pumping tutorial light HL2 (P8.3 of Figure 10), switching by two distributing valves also cooperates two master cylinders to push, concrete is pushed out, and two offer the master cylinder commutation signal near switch S Q1 and SQ2.Concrete pump promptly uses as the conventional pump machine of 90KW power, transmission and concrete transmission amount 60m3/h; After main motor 4 startups finish and enter the triangle operating condition, press first auxiliary motor 12, start button SB3 (P8.2 of Fig. 9), auxiliary motor M2 promptly starts operation according to the star triangle start mode identical with above-mentioned main motor, press second auxiliary motor, 13 start button SB7 (P8.2 of Fig. 9) again, auxiliary motor M3 promptly starts operation according to the star triangle start mode identical with above-mentioned main motor, and this moment, the motor of three 90KW moved simultaneously, and complete machine has the output power of 270KW; The quantity delivered sum of main and auxiliary oil pump also reaches 180m3/ hour.Realize concrete pump three motors three pump control systems, expanded the Applicable scope of concrete pump; Two motors can carry out the star-triangle reduced-voltage starting separately, has greatly reduced the impact to electrical network.Like this, both solved separate unit high power motor (as 270KW) and started the difficulty of moving at the construction field (site), and made equipment that the various situations and the requirement of job site have been had general practicability again.The YV1 of Fig. 4 represents right distributing valve, and YV2 represents left distributing valve, and YV3 represents left master cylinder, and YV4 represents right master cylinder, and YV5, YV6 represent to lubricate, and HL2 is the pumping indication.
By that analogy, suitably increase the control system that auxiliary motor and auxiliary oil pump can be realized the many pumps of many motors, satisfy actual construction user demand.

Claims (3)

1, a kind of transmission and concrete transmission pump control system comprises fuel tank, main oil pump, main valve piece, main motor, industrial controlled machine, execution electrical equipment, master control electrical apparatus, oil hydraulic circuit, electric loop, main oil pump and main drive axle of motor mechanical connection; Be provided with signals collecting and Output Control Program in described industrial controlled machine inside, it is characterized in that: described oil hydraulic circuit comprises the main oil pump that is connected with fuel tank, first one-way valve that is connected with main oil pump, the main valve piece that is connected with first one-way valve, the main valve piece is connected on the fuel tank; Described oil hydraulic circuit also comprises the one or more auxiliary oil pump in parallel with fuel tank, is connected with the auxiliary oil pump one-way valve on each auxiliary oil pump, the filler opening of auxiliary oil pump one-way valve common input main valve piece in parallel with first one-way valve; Described electrical circuit comprises the industrial controlled machine that is electrically connected with the control power supply, master control electrical apparatus that is electrically connected with industrial controlled machine and execution electrical equipment, and with main motor and two or more auxiliary motor that execution electrical equipment is electrically connected, the number of auxiliary motor is corresponding with the number of auxiliary oil pump; The transmission shaft mechanical connection of the auxiliary motor that auxiliary oil pump is corresponding with it.
2, a kind of transmission and concrete transmission pump control system as claimed in claim 1, it is characterized in that: the number of described main oil pump is one, the number of described auxiliary oil pump is one, i.e. first auxiliary oil pump, the number of described auxiliary oil pump one-way valve is one, i.e. second one-way valve is parallel to the filler opening of main valve piece again behind described first auxiliary oil pump and second one-way valve polyphone.
3, a kind of transmission and concrete transmission pump control system as claimed in claim 1, it is characterized in that: the number of described main oil pump is one, the number of described auxiliary oil pump is two, the number of described auxiliary oil pump one-way valve is two, be that described auxiliary oil pump comprises first auxiliary oil pump, second auxiliary oil pump, described auxiliary oil pump one-way valve comprises second one-way valve, the 3rd one-way valve, be parallel to the filler opening of main valve piece behind described first auxiliary oil pump and second one-way valve polyphone again, be parallel to the filler opening of main valve piece behind described second auxiliary oil pump and the 3rd one-way valve polyphone again.
CN 200520120309 2005-12-19 2005-12-19 Concrete conveying pump control system Expired - Fee Related CN2851671Y (en)

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CN 200520120309 CN2851671Y (en) 2005-12-19 2005-12-19 Concrete conveying pump control system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330649A (en) * 2011-09-14 2012-01-25 徐州重型机械有限公司 Plunger water pump and liquid control system thereof
CN102619336A (en) * 2011-01-30 2012-08-01 中联重科股份有限公司 Concrete pumping equipment
CN102753837A (en) * 2009-12-11 2012-10-24 卡特彼勒公司 Control system for swashplate pump
CN105605003A (en) * 2015-11-17 2016-05-25 湖南五新隧道智能装备股份有限公司 Hydraulic system and concrete spraying car

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102753837A (en) * 2009-12-11 2012-10-24 卡特彼勒公司 Control system for swashplate pump
CN102753837B (en) * 2009-12-11 2015-04-08 卡特彼勒公司 Control system for swashplate pump
CN102619336A (en) * 2011-01-30 2012-08-01 中联重科股份有限公司 Concrete pumping equipment
WO2012100527A1 (en) * 2011-01-30 2012-08-02 长沙中联重工科技发展股份有限公司 Concrete pumping equipment
CN102619336B (en) * 2011-01-30 2013-09-25 中联重科股份有限公司 Concrete pumping equipment
CN102330649A (en) * 2011-09-14 2012-01-25 徐州重型机械有限公司 Plunger water pump and liquid control system thereof
CN105605003A (en) * 2015-11-17 2016-05-25 湖南五新隧道智能装备股份有限公司 Hydraulic system and concrete spraying car

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061227

Termination date: 20100119