CN102434443B - Control device and control method of viscous body pumping mechanism and concrete pump - Google Patents
Control device and control method of viscous body pumping mechanism and concrete pump Download PDFInfo
- Publication number
- CN102434443B CN102434443B CN201110402916.6A CN201110402916A CN102434443B CN 102434443 B CN102434443 B CN 102434443B CN 201110402916 A CN201110402916 A CN 201110402916A CN 102434443 B CN102434443 B CN 102434443B
- Authority
- CN
- China
- Prior art keywords
- piston
- concrete
- control
- pumping mechanism
- control gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 71
- 238000005086 pumping Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 61
- 230000004044 response Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention provides a control device and a control method of a viscous body pumping mechanism and a concrete pump, wherein the control device comprises: at least one functional device for implementing at least one corresponding function; at least one detecting unit, configured to detect a corresponding operation performance of the at least one functional component after the at least one corresponding function is implemented; and a control unit respectively connected to the at least one functional device and the at least one detection unit. The control method comprises the following steps: controlling at least one functional device in dependence on the position of a piston in the pumping mechanism to perform at least one corresponding function; detecting the corresponding running performance after the at least one corresponding function is realized in real time; and adjusting a time from the receipt of the piston position signal to the transmission of the control signal to the at least one functional device based on the detection result. The concrete pump comprises the control device. The control device and the control method can enable the pumping performance to be optimal under any working condition.
Description
Technical field
The present invention relates to viscous body pumping mechanism, particularly a kind of control gear for viscous body pumping mechanism, controlling method and the concrete pump that adopts this control gear.
Background technique
As illustrated in fig. 1 and 2, the concrete pump pumping mechanism in correlation technique is by pumping unit 1, a pair of concrete cylinder 6 and 7, and hopper 8 and S valve (that is: concrete valve) 9 forms; Pumping unit 1 is by main oil pump 2 and auxiliary oil pump 13, main valve group 3 and secondary valve group 15, a pair of master cylinder 4 and 5, a pair of auxiliary oil cylinder 16 and 17, approach switch 10 and 11, control unit 12 and accumulator 14 form, wherein on main oil pump 2, pressure transducer is installed, pressure transducer detects main oil pump 2 pressure.
The working procedure of concrete pump is as follows: concrete cylinder 6 and 7 is drawn concrete from hopper 8, then by the delivery pipe (not shown), it is poured into to working position.Concrete cylinder 6 and piston alternate reciprocating motion under the control of master cylinder 4 and 5 of 7; S valve 9 is connected with in 7 one concrete cylinder 6 with delivery pipe, another one directly is connected with hopper 8 and therefrom draws concrete; Auxiliary oil cylinder 16 and 17 drives S valve 9 by transmission shaft and swings.Coordination by S valve 9 with concrete cylinder 6 and 7, realize that concrete approximate continuous in conveyance conduit flows.
Concrete flows in delivery pipe, and two kinds of directions, a kind of flow direction are arranged is to flow to conveyance conduit end (positive pump) from concrete cylinder 6 or 7; Another kind of flow direction is to flow to concrete cylinder 6 or 7 (anti-pump) from delivery pipe, the position of S valve 9 when two kinds of mobile directions of concrete depend on concrete cylinder 6 and 7 motion.
Above-mentioned concrete pump pumping unit working procedure is as follows:
Main oil pump 2 provides pressure oil to drive a pair of master cylinder 4 and 5 by main valve group 3, and auxiliary oil pump 13 provides pressure oil to drive a pair of auxiliary oil cylinder 16 and 17 by secondary valve group 15.If the pressure oil of main oil pump 2 enters the rod chamber 4B of master cylinder 4 or the rod chamber 5B of master cylinder 5, the rodless cavity 5A of the rodless cavity 4A of master cylinder 4 and master cylinder 5 is by pipeline UNICOM, if the pressure oil of main oil pump 2 enters the rodless cavity 4A of master cylinder 4 and the rodless cavity 5A of master cylinder 5, the rod chamber 5B of the rod chamber 4B of master cylinder 4 and master cylinder 5 is by pipeline UNICOM.In a work cycle, pressure oil enters from the rod chamber 5B of master cylinder 5, from the rod chamber 4B of master cylinder 4, discharges, and now master cylinder 5 piston rods are retracted, and master cylinder 4 piston rods stretch out; Pressure oil enters from the rodless cavity 17A of auxiliary oil cylinder 17, from the rodless cavity 16A of auxiliary oil cylinder 16, discharges, and now auxiliary oil cylinder 16 piston rods are retracted, and auxiliary oil cylinder 17 piston rods stretch out, and S valve 9 swings.
When master cylinder 4 pistons pass through approach switch 10, approach switch 10 signals to control unit 12, control unit 12 signals to main valve group 3 and secondary valve group 15 with the fixed logic order and (first every t10, signals to main valve group 3 second, signal to secondary valve group 15 after second every t20 again, t10 and t10 are the set time.The fixed logic order of so-called correlation technique that Here it is).When the signal that main valve group 3 response control units 12 send, pressure oil enters from the rod chamber 4B of master cylinder 4, from the rod chamber 5B of master cylinder 5, discharges, master cylinder 4 and 5 starts commutation, master cylinder 5 piston rods start to stretch out, and master cylinder 4 piston rods start to retract, and drive concrete cylinder 6 and the commutation of 7 pistons; When the signal that secondary valve group 15 response control units 12 send, pressure oil enters from the rodless cavity 16A of auxiliary oil cylinder 16, from the rodless cavity 17A of auxiliary oil cylinder 17, discharges, auxiliary oil cylinder 16 and 17 starts commutation, auxiliary oil cylinder 16 piston rods stretch out, and auxiliary oil cylinder 17 piston rods are retracted, and drive S valve 9 and swing.
In correlation technique, main oil pump 2 artificial variable not in commutation process, on master cylinder 4 and 5, approach switch 10 and 11 positions are fixed, master cylinder 4 piston movements are to approach switch 10 or master cylinder 5 piston movements during to approach switch 11, approach switch 10 or 11 signals to control unit 12, after control unit 12 receives the signal that approach switch sends when the time comes, every t10, signals to main valve group 3 second, signal to secondary valve group 15 after second every t20 again, t10 and t20 are the set time.In a word, in correlative technology field, control unit is all that the logical order of fixing was controlled the time between the signal sent, and the time sent is all changeless.
There is following problem in the control system that correlation technique adopts: 1. will be by the transition position when in main valve group 3, selector valve is from a working position to another working position, generally selector valve reduces to transition position flow area from working position, main oil pump 2 flows and through-current capability are not mated, and produce compression shock.2. when master cylinder 4 and the commutation of 5 piston, the velocity of piston direction is undergone mutation, because there is inertia in flow, so, when piston commutates, hydraulic system can produce compression shock.3. the signal port position is fixed, and approach switch 10 and 11 signals to control unit 12 and fixes with the logic that control unit 12 signals to main valve group 3, and the operating modes such as rate of pumping and induced pressure are uncertain, if piston movement is to before the master cylinder end, the SC sigmal control master cylinder commutation that main valve group 3 response control units 12 send, working stroke shortens, and piston movement is not in place; When if master piston motion arrives the master cylinder end, control unit 12 does not also signal to main valve group 3 and causes not commutation of master cylinder, there will be " hitting cylinder " phenomenon.4. control unit 12 signals to main valve group 3 and signals to secondary valve group 15 logics with control unit 12 and fix, and the operating modes such as rate of pumping and induced pressure are uncertain, if master cylinder 4 and 5 motions are not mated with auxiliary oil cylinder 16 and 17 motions, concrete cylinder inner concrete pumps into hopper, the delivery pipe inner concrete is inhaled into the concrete cylinder, the hopper inner concrete splashes, and the easily damaged parts wearing and tearing are accelerated.These problems all can reduce pump-conveying property, shorten service life of equipment.
Summary of the invention
The present invention aims to provide a kind of control gear, to improve the pump-conveying property of concrete pump.
Control gear of the present invention, for concrete pumping mechanism, it comprises:
At least one function element, for realizing at least one corresponding function;
At least one detection unit, realize corresponding ride quality after described at least one corresponding function for detection of described at least one functional part; And
A control unit, connect respectively described at least one function element and described at least one detection unit, realize described at least one corresponding function according to described at least one function element of the positioning control of piston in pumping mechanism, and, according to the time that the Signal Regulation of described detection unit feedback transmits control signal to described at least one function element, make corresponding ride quality reach best.
Preferably, described at least one function element comprises at least one in main oil pump displacement adjusting mechanism, main valve group and secondary valve group; Correspondingly, described ride quality is at least one in following three kinds: whether the compression shock of hydraulic system, main oil cylinder piston hit cylinder or operation puts in place and whether the commutation of concrete cylinder piston is consistent with the motion of concrete valve.
Preferably, described control gear also comprises experts database, for storing the time that under various working, described control unit transmits control signal to described function element.
Preferably, described control gear also comprises the working condition acquiring unit for detection of current working information; Described control unit comprises the Conditions Matching module, for the work information according to detecting, finds out the immediate time transmitted control signal from experts database.
Preferably, described control unit comprises more new module, for by current working information and the time transmitted control signal to described at least one function element after regulating be updated to described experts database.
Preferably, described work information comprises rate of pumping and system pressure.
Preferably, the position that the position of described piston is concrete cylinder piston or the position of main oil cylinder piston.
The present invention also provides a kind of concrete pump, comprises pumping mechanism and control gear thereof, and the control gear of this pumping mechanism adopts above-mentioned any control gear.
The present invention also provides a kind of controlling method, for improving the pump-conveying property of viscous body pumping mechanism, comprises the following steps:
According at least one function element of positioning control of piston in pumping mechanism, to realize at least one corresponding function;
Detect in real time and realize corresponding ride quality after described at least one corresponding function; And
According to testing result, regulate from receiving that piston position signal is to the time transmitted control signal to described at least one function element.
Preferably, described at least one function element comprises at least one in main oil pump displacement adjusting mechanism, main valve group and secondary valve group; Correspondingly, described ride quality is at least one in following three kinds: whether the compression shock of hydraulic system, main oil cylinder piston hit cylinder or operation puts in place and whether the commutation of concrete cylinder piston is consistent with the motion of concrete valve.
Preferably, also comprise the step of obtaining the time transmitted control signal to described function element from experts database.
Preferably, also comprise the step that detects current working information and find out the immediate time transmitted control signal from experts database.
Preferably, also comprise by current working information and after regulating from receiving that piston position signal is updated to the step of experts database to the time transmitted control signal to described at least one function element.
Preferably, the position that the position of described piston is concrete cylinder piston or the position of main oil cylinder piston.
Preferably, described work information comprises rate of pumping and system pressure.
With correlation technique, compare, control gear of the present invention and method utilize feedback information to adjust adaptively the time transmitted control signal to functional part, can automatically pumping mechanism be adjusted to the optimum state under operating mode arbitrarily, make under any operating mode, it is optimum that pump-conveying property reaches.
The accompanying drawing explanation
The structural representation that Fig. 1 is the concrete pump pumping mechanism in correlation technique.
The working procedure schematic diagram that Fig. 2 is the concrete pump pumping unit in correlation technique.
The theory diagram that Fig. 3 is the control gear in some embodiments of the invention.
The control flow chart that Fig. 4 is the controlling method in some embodiments of the invention.
Embodiment
Below in conjunction with specific embodiment and Figure of description, the present invention is described in further details.
Fig. 3 shows the control gear in some embodiments of the invention.Because the configuration of concrete pump pumping unit is a lot, in conjunction with configuration shown in Fig. 2, set forth here.
As shown in Figure 3, this control gear comprises: control unit 12, and connected three function elements, three detection units and experts database 21.Three function elements are respectively displacement adjusting mechanism, main valve group 3 and the secondary valve group 15 of main oil pump 2 in certain embodiments, wherein, main valve group 3 is for changing the direction of master cylinder 4 and 5 pressure oils, secondary valve group 15, for changing the direction of auxiliary oil cylinder 16 and 17 pressure oils, can reduce the pressure of pressure oil by the discharge capacity that reduces main oil pump 2.The first detection unit 18 is for detection of the compression shock of hydraulic system, the second detection unit 19 is for detection of master cylinder 4 and 5 pistons whether hit cylinder or operation puts in place, and whether the 3rd detection unit 20 is consistent with the motion of concrete valve 9 for detection of the commutation of concrete cylinder 6 and 7 pistons.Control unit 12 completes corresponding function according to positioning control main oil pump 2, main valve group 3 and the secondary valve group 15 of master cylinder 4 and 5 pistons, and regulate respectively according to the signal of three detection unit 18-20 feedback the time transmitted control signal to main oil pump 2, main valve group 3 and secondary valve group 15, reduce hydraulic system pressure and impact, avoid master cylinder 4 and 5 pistons to hit cylinder or not in place and avoid concrete cylinder 6 and 7 inner concretes to be pumped to the purpose of hopper 8 to reach respectively.
Understandably, in some embodiments, control gear also can only include any one or two in displacement adjusting mechanism, main valve group 3 and 15 3 function elements of secondary valve group of main oil pump 2, correspondingly, also can only include any one or two in three detection unit 18-20, so also can reach the purpose of improving respective performances.Also understandably, in some embodiments, control unit 12 also can complete corresponding function according to positioning control main oil pump 2, main valve group 3 and the secondary valve group 15 of concrete cylinder 6 and 7 pistons.
In some embodiments, can adopt two approach switchs 10 and 11 to detect respectively the position of master cylinder 4 and 5 pistons, when master cylinder 4 pistons pass through approach switch 11 by approach switch 10 or master cylinder 5 pistons, approach switch 10 or 11 signals to control unit 12, control unit 12 time delay t1 respectively, to main oil pump 2 transmitted signal i1, time delay t2 to main valve group 3 transmitted signal i2, time delay t3 to secondary valve group 15 transmitted signal i3, reduces discharge capacity, concrete cylinder 6 and the commutation of 7 pistons, concrete valve 9 to corresponding concrete cylinder 6 or 7 switchings to control respectively main oil pump 2.More particularly, after main oil pump 2 response signal i1, reduce the discharge capacity of pressure oil; After main valve group 3 response signal i2, the pressure oil that main oil pump 2 provides makes master cylinder 4 and the commutation of 5 pistons by main valve group 3, and then drives the piston commutation of concrete cylinder 6 and 7; After secondary valve group 15 response signal i3, the pressure oil that auxiliary oil pump 13 provides makes auxiliary oil cylinder 16 and the commutation of 17 pistons by secondary valve group 15, and then drives concrete valve 9 swings, to corresponding concrete cylinder 6 or 7 switchings.Understandably, because two master cylinders 4 are identical with 5 specification, therefore only at a master cylinder, near place, piston stroke two ends, an approach switch respectively is set, also can realizes above-mentioned control function; Only an approach switch is set at the middle part of a master cylinder, also can realizes above-mentioned control function.In addition, also can detect with other position transducer the position of piston.
In concrete pump work, when master cylinder 4 and 5 commutation, hydraulic system has larger compression shock, in some embodiments, control gear is by detecting in real time two master cylinders 4 and 5 piston positions, when master cylinder 4 and 5 pistons approach its stroke end, turn down the discharge capacity of main oil pump 2, reached the purpose that reduces compression shock.Determine master cylinder 4 and 5 turn around times master cylinder 4 and 5 piston movement strokes, by regulation unit 12 signalling i2 to the time adjustable main oil cylinder 4 of main valve group 3 and 5 turn around time, avoid master cylinder 4 and 5 pistons to hit cylinder or not in place, make the movement travel of master cylinder 4 and 5 reach optimum.By regulation unit 12 signalling i3, can regulating concrete valve 9 to the time of secondary valve group 15 starts the time swung, concrete valve 9 durations of oscillation and concrete cylinder 6 and 7 pistons is complementary turn around time.
In order all to reach best pump-conveying property under operating mode arbitrarily, signal i1, i2 and i3 do not have the fixed logic order.In other words, signal i1, i2 and i3 do not have fixing sequencing, and the transmission interval also not necessarily equates, but, at first to corresponding initial value of delay time t1, t2, t3, then according to the actual conditions self adaption, is adjusted to the optimal logic order.More particularly, the first detection unit 18 detects the compression shock of hydraulic system in real time, revises the value of t1, the time that starts to reduce discharge capacity to adjust main oil pump 2 when large (surpassing setting value) when compression shock; The second detection unit 19 detects in real time master cylinder 4 and 5 pistons and whether hits cylinder or not in place, when master cylinder 4 and 5 pistons hit cylinder or revise the value of t2 when not in place; Whether the commutation of the real-time detection concrete cylinder 6 of the 3rd detection unit 20 and 7 pistons is consistent with the motion of distributing valve 9, revises the value of t3 when inconsistent, by the continuous value of revising t1, t2 and t3, makes concrete pump reach best pump-conveying property.Understandably, the first detection unit 18 can adopt the pressure transducer that is arranged on main oil pump 2 to realize; Whether the second detection unit 19 can detect whether hit cylinder by adopts pressure sensor, can adopt position transducer (as approach switch, but being not limited to this) to detect piston and put in place; Whether the 3rd detection unit 20 can detect concrete cylinder 6 and the position of 7 pistons and the position of concrete valve 9 with position transducer respectively, and then judges that whether their motion is consistent, also can have anti-pump phenomenon to judge that whether their motion is consistent by detecting; Etc., these methods that are not limited to enumerate.
In some embodiments, the empirical value (value of t1, t2 and t3 is respectively used to determine the transmitting time of control signal i1, i2 and i3) of t1, t2 and t3 under the various operating modes of experts database 21 storage.Specifically can be by test or emulation, under various simulated conditions (comprising rate of pumping, pumping pressure etc.), rationally regulate the value of t1, t2 and t3, make pump-conveying property reach optimum, t1, t2 corresponding under each simulated condition and this operating mode and the value of t3 are stored in experts database 21.
In some embodiments, control gear also comprises the working condition acquiring unit for detection of work information.
In some embodiments, control unit 12 comprises Conditions Matching module and new module more, and the work information of Conditions Matching module for arriving according to the working condition acquiring unit inspection found out t1, the t2 of coupling and the empirical value of t3 from experts database 21.Due to the complexity of actual conditions and the finiteness of test or emulated data, in experts database 21, canned data can't cover all operating modes, this empirical value can't guarantee the pump-conveying property optimum, so the empirical value of experts database 21 storage just, for when the actual pumpdown, provides initial value to t1, t2 and t3.More new module stores experts database into for the time transmitted control signal that is adapted to current working by after current working information and adjusting.
In some embodiments, also experts database can be set, can set initial value by man-machine interface to t1, t2 and t3 according to real-time work information by the operator.
In some embodiments, control unit 12 can adopt PLC, also can adopt microprocessor.
Above-mentioned any control gear can be applied to existing various concrete pump, reaches the purpose that improves pump-conveying property.
Fig. 4 shows the flow chart of the controlling method in some embodiments.As shown in Figure 4, when concrete pump is started working, control unit 12 carries out the experts database optimizing according to operating modes such as the induced pressure detected and rate of pumpings, preliminary definite transmitted signal i1, the time of i2 and i3, if detecting hydraulic system, control unit 12 have compression shock automatically to adjust the time of transmitted signal i1 (revising the value of t1), if control unit 12 detects main oil cylinder piston and hits cylinder or the time (revising the value of t2) of automatically adjusting transmitted signal i2 not in place, if detecting the commutation of concrete cylinder piston, control unit 12 do not mate the time (revising the value of t3) of automatically adjusting transmitted signal i3 with concrete valve 9 motions, until pump-conveying property reaches optimum.After reaching optimum, experts database is upgraded, stored the time of transmitted signal i1, i2 and i3 under this work information and this operating mode.When operating mode changes, control unit 12 repeats above work.
Understandably, the present invention is not limited to concrete pump, and other viscous body pumping mechanisms are also applicable.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention also not only is confined to above-described embodiment, and all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a control gear, for viscous body pumping mechanism, is characterized in that, comprising:
Three function elements, for realizing three corresponding functions;
Three detection units, realize corresponding ride quality after described three corresponding functions for detection of described three functional parts; And
A control unit, connect respectively described three function elements and described three detection units, realize described three corresponding functions according to described three function elements of the positioning control of piston in pumping mechanism, and the Signal Regulation of feeding back according to described detection unit is to described three times that function element transmits control signal, make corresponding ride quality reach best, wherein
Described three function elements comprise main oil pump displacement adjusting mechanism, main valve group and secondary valve group; Correspondingly, described ride quality is following three kinds: whether the compression shock of hydraulic system, main oil cylinder piston hit cylinder or operation puts in place and whether the commutation of concrete cylinder piston is consistent with the motion of concrete valve.
2. control gear according to claim 1, it is characterized in that: described control gear also comprises experts database, for storing the time that under various working, described control unit transmits control signal to described function element.
3. control gear according to claim 2, it is characterized in that: described control gear also comprises the working condition acquiring unit for detection of current working information; Described control unit comprises the Conditions Matching module, for the work information according to detecting, finds out the immediate time transmitted control signal from experts database.
4. control gear according to claim 3, it is characterized in that: described control unit comprises more new module, for by current working information and the time transmitted control signal to described three function elements after regulating be updated to described experts database.
5. control gear according to claim 1, is characterized in that: the position that the position of described piston is concrete cylinder piston or the position of main oil cylinder piston.
6. a concrete pump, comprise pumping mechanism and control gear thereof, it is characterized in that: the control gear of this pumping mechanism adopts the described control gear of claim 1-5 any one.
7. a controlling method, for improving the pump-conveying property of viscous body pumping mechanism, is characterized in that, comprises the following steps:
According to three function elements of positioning control of piston in pumping mechanism, to realize three corresponding functions;
Detect in real time and realize corresponding ride quality after described three corresponding functions; And
According to testing result, regulate from receiving that piston position signal is to described three times that function element transmits control signal, wherein,
Described three function elements comprise main oil pump displacement adjusting mechanism, main valve group and secondary valve group; Correspondingly, described ride quality is following three kinds: whether the compression shock of hydraulic system, main oil cylinder piston hit cylinder or operation puts in place and whether the commutation of concrete cylinder piston is consistent with the motion of concrete valve.
8. controlling method according to claim 7, is characterized in that: also comprise the step of obtaining the time transmitted control signal to described function element from experts database.
9. controlling method according to claim 8, is characterized in that: also comprise the step that detects current working information and find out the immediate time transmitted control signal from experts database.
10. controlling method according to claim 9 is characterized in that: also comprise by current working information and after regulating from receiving that piston position signal is updated to the step of experts database to the time transmitted control signal to described three function elements.
11. controlling method according to claim 7 is characterized in that: the position that the position of described piston is concrete cylinder piston or the position of main oil cylinder piston.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402916.6A CN102434443B (en) | 2011-12-07 | 2011-12-07 | Control device and control method of viscous body pumping mechanism and concrete pump |
| PCT/CN2012/082694 WO2013082976A1 (en) | 2011-12-07 | 2012-10-10 | Control apparatus, control method and concrete pump for viscous body pumping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402916.6A CN102434443B (en) | 2011-12-07 | 2011-12-07 | Control device and control method of viscous body pumping mechanism and concrete pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102434443A CN102434443A (en) | 2012-05-02 |
| CN102434443B true CN102434443B (en) | 2014-01-08 |
Family
ID=45982724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110402916.6A Active CN102434443B (en) | 2011-12-07 | 2011-12-07 | Control device and control method of viscous body pumping mechanism and concrete pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102434443B (en) |
| WO (1) | WO2013082976A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434443B (en) * | 2011-12-07 | 2014-01-08 | 中联重科股份有限公司 | Control device and control method of viscous body pumping mechanism and concrete pump |
| CN103423235B (en) * | 2012-05-23 | 2015-11-25 | 中联重科股份有限公司 | Hydraulic cylinder buffer control method, buffer type hydraulic cylinder control system and hydraulic equipment |
| CN102777364B (en) * | 2012-08-02 | 2013-10-23 | 中联重科股份有限公司 | Pumping mechanism, control method thereof and concrete pumping equipment |
| CN103573727B (en) * | 2013-11-07 | 2015-10-14 | 中联重科股份有限公司 | Reversing control method and device for series oil cylinders and concrete pumping system |
| CN103557151B (en) * | 2013-11-15 | 2015-11-25 | 中联重科股份有限公司 | Displacement control method and device of multi-variable pump and concrete pumping equipment |
| CN103557146B (en) * | 2013-11-15 | 2016-02-10 | 中联重科股份有限公司 | Flexible starting control method and device of pumping system and pumping equipment |
| CN104675658A (en) * | 2015-03-30 | 2015-06-03 | 河南华泰建材开发有限公司 | Double-cylinder transporting device for foam concrete |
| CN110230584A (en) * | 2019-07-04 | 2019-09-13 | 中国有色(沈阳)泵业有限公司 | Four cylinder single-acting hydraulic swing pipes pump and its control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339564Y (en) * | 2009-01-20 | 2009-11-04 | 徐州重型机械有限公司 | Concrete-pump car and concrete transfer pump reversing system thereof |
| CN201474886U (en) * | 2009-05-31 | 2010-05-19 | 长沙中联重工科技发展股份有限公司 | Concrete pumping device |
| CN101776107A (en) * | 2010-03-24 | 2010-07-14 | 长沙中联重工科技发展股份有限公司 | Exact stroke control method and stroke control device of serial oil cylinders |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3234882A (en) * | 1964-06-03 | 1966-02-15 | Rexall Drug Chemical | Intensifier assembly system and method |
| JP2575688B2 (en) * | 1987-03-06 | 1997-01-29 | 三菱重工業株式会社 | Control device for concrete pump |
| JPH02176173A (en) * | 1988-12-28 | 1990-07-09 | Hitachi Ltd | Control method for non-pulsating pump |
| US5259731A (en) * | 1991-04-23 | 1993-11-09 | Dhindsa Jasbir S | Multiple reciprocating pump system |
| US5336052A (en) * | 1993-04-28 | 1994-08-09 | Abel Pumpen Gmbh & Co. Kg | Viscous material pump |
| DE102004015415A1 (en) * | 2004-03-26 | 2005-10-13 | Putzmeister Ag | Device and method for controlling a two-cylinder slurry pump |
| CN201521423U (en) * | 2009-04-29 | 2010-07-07 | 扬州柳工建设机械有限公司 | Automatic pump reversing control mechanism of concrete conveying pump |
| CN101725517B (en) * | 2009-12-21 | 2012-02-08 | 三一重工股份有限公司 | Pump displacement control system, pump displacement control method and concrete pump |
| CN102434443B (en) * | 2011-12-07 | 2014-01-08 | 中联重科股份有限公司 | Control device and control method of viscous body pumping mechanism and concrete pump |
-
2011
- 2011-12-07 CN CN201110402916.6A patent/CN102434443B/en active Active
-
2012
- 2012-10-10 WO PCT/CN2012/082694 patent/WO2013082976A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339564Y (en) * | 2009-01-20 | 2009-11-04 | 徐州重型机械有限公司 | Concrete-pump car and concrete transfer pump reversing system thereof |
| CN201474886U (en) * | 2009-05-31 | 2010-05-19 | 长沙中联重工科技发展股份有限公司 | Concrete pumping device |
| CN101776107A (en) * | 2010-03-24 | 2010-07-14 | 长沙中联重工科技发展股份有限公司 | Exact stroke control method and stroke control device of serial oil cylinders |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102434443A (en) | 2012-05-02 |
| WO2013082976A1 (en) | 2013-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102434443B (en) | Control device and control method of viscous body pumping mechanism and concrete pump | |
| CN102338134B (en) | Concrete pumping equipment and reversing control method of pumping oil cylinder of concrete pumping equipment | |
| CN102777364B (en) | Pumping mechanism, control method thereof and concrete pumping equipment | |
| CN104074143B (en) | Prestressing force intelligent circulation mud jacking system and its control method | |
| CN101874161B (en) | Hydraulic drive system and diagnostic control strategy for improved operation | |
| CN102071809A (en) | Concrete pump truck, damping device and method for concrete pump truck arm support | |
| CN206625947U (en) | A kind of slush pump of double acting hydraulic cylinder | |
| CN103573727B (en) | Reversing control method and device for series oil cylinders and concrete pumping system | |
| CN101793247A (en) | Concrete pump truck and concrete delivery pump exchange system | |
| CN103423139B (en) | Pumping mechanism, control method thereof and concrete pumping equipment | |
| CN104613025B (en) | A kind of hydraulic system and the method for hydraulic actuator back pressure stroke energy regenerating | |
| CN104847738A (en) | Parallel energy-saving technology based high-frequency single-acting hydraulic cylinder durability test device and method | |
| CN107299922A (en) | A kind of buffering hydraulic cylinder | |
| CN102734236A (en) | Pumping reversal hydraulic control system, control method and concrete conveying pump | |
| CN201474886U (en) | Concrete pumping device | |
| CN204001775U (en) | Prestressing force intelligent circulation mud jacking system | |
| CN103423235A (en) | Hydraulic cylinder buffer control method, buffer type hydraulic cylinder control system and hydraulic equipment | |
| CN103114980A (en) | Pumping stroke control method of double-cylinder pump and pumping equipment | |
| CN104196692A (en) | Pumping equipment, pumping system and reversing control device and method of pumping system | |
| CN103557149A (en) | Control equipment, method and system of concrete piston and engineering machinery | |
| CN201339564Y (en) | Concrete-pump car and concrete transfer pump reversing system thereof | |
| CN202326064U (en) | Concrete pumping equipment and concrete pumping unit thereof | |
| CN108953264B (en) | High-pressure oil pipe pressure relief circuit with quick-change connector and pressure relief method | |
| CN208686702U (en) | A kind of cushion cylinder and its damper piston assembly | |
| CN201521423U (en) | Automatic pump reversing control mechanism of concrete conveying pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 415907, Hunan, Hanshou hi tech Industrial Park, Changde Huang Fu neighborhood committee, No. 1, Union Road Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |