WO2005093252A1 - Vorrichtung und verfahren zur steuerung einer zweizylinder-dickstoffpumpe - Google Patents
Vorrichtung und verfahren zur steuerung einer zweizylinder-dickstoffpumpe Download PDFInfo
- Publication number
- WO2005093252A1 WO2005093252A1 PCT/EP2005/002895 EP2005002895W WO2005093252A1 WO 2005093252 A1 WO2005093252 A1 WO 2005093252A1 EP 2005002895 W EP2005002895 W EP 2005002895W WO 2005093252 A1 WO2005093252 A1 WO 2005093252A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reversing
- pump
- stroke
- delivery
- cylinders
- Prior art date
Links
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
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
- F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
- F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
- F04B9/1176—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor
- F04B9/1178—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
-
- 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
-
- 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
- F04B15/023—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 supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
-
- 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
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
- F04B7/0233—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers
- F04B7/0241—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an oscillating movement
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
-
- 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
- F04B2201/00—Pump parameters
- F04B2201/02—Piston parameters
- F04B2201/0201—Position of the piston
-
- 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
- F04B2203/00—Motor parameters
- F04B2203/09—Motor parameters of linear hydraulic motors
- F04B2203/0903—Position of the driving piston
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
- Y10S417/90—Slurry pumps, e.g. concrete
Definitions
- the invention relates to a device and a method for controlling a two-cylinder thick matter pump with two delivery cylinders which open into front end openings in a material feed container and are actuated in counter-clockwise manner by means of at least one hydraulic reversing pump and hydraulic drive cylinders actuated by this, with a feed side arranged inside the material feed container alternately connectable to the openings of the delivery cylinder and opening the other opening and connected on the outlet side to a delivery line, hydraulically operable pipe switch, a reversing process of the pipe switch being triggered each time a delivery stroke is completed, the drive cylinders also being formed at one end to form a closed hydraulic circuit with one connection of the reversing pump and at the other end hydraulically connected to each other via a rocking oil line, and for the umste Control of the pipe switch Compressed oil is branched off from the hydraulic lines leading from the reversing pump to the drive cylinders.
- a device for controlling a two-cylinder thick matter pump of this type is known (DE-A 195 42 258), in which the end positions of the pistons of the drive cylinders can be tapped by means of cylinder switching sensors with the generation of end position signals.
- the flow reversal of the reversing pump can be triggered there via the end position signals of the drive cylinders.
- the end position signals are usually triggered via the two rod-side cylinder switching sensors. But it happens again and again that the cylinder shift sensors fail. In such a case it had previously been necessary to switch to manual operation or to switch off the machine. Proceeding from this, the invention has for its object to develop a device and a method with which a reliable pumping operation with continuous concrete flow can be guaranteed even without the cylinder switching sensors common today.
- the solution according to the invention is based above all on the knowledge that, with the inclusion of a computer control, additional operating data from the hydraulic circuit for controlling the reversing pump and the pipe switch can be evaluated.
- a first solution variant of the invention provides that the reversing device is a computer-aided arrangement for determining the probable stroke duration and for registering it in a data memory as well as for time monitoring during each piston stroke and for triggering a diverter switch reversal and flow reversal of the reversing pump as required a defined, compared to the expected stroke time elapsed stroke time.
- the reversing device preferably has a time monitoring routine which has an algorithm for determining a comparison value from the stroke time and the probable stroke duration and for converting it into a reversal signal for the pipe switch and the reversing pump when a predetermined value is exceeded.
- the reversing device has an input routine for storing the stroke duration measured when the concrete pump is calibrated with at least a defined delivery quantity. Since the delivery rate for computer-aided concrete pumps can be varied, for example, using a remote control device, it is particularly advantageous if the reversing device device has a computing routine for converting the registered stroke time depending on the delivery rate set on a remote control device.
- a sensor for monitoring the hydraulic pressure on the high-pressure side of the reversing pump is provided, the output signal of which can be evaluated with a pressure monitoring routine of the reversing device in order to trigger a changeover of the switch and flow reversal of the reversing pump.
- a pressure monitoring routine of the reversing device for this purpose, an average pump pressure can be determined and stored during each pressure stroke.
- the pressure monitoring routine then has an algorithm for determining a pressure rise occurring at the end of each pressure stroke in the drive cylinder in question compared to the mean pressure value and for converting it into a changeover signal for the pipe switch and / or the reversing pump.
- the reversing device can also have a path monitoring routine responsive to the output signals of selected cylinder switching sensors for triggering the changeover of the switch and / or reversing the flow of the reversing pump.
- the reversing device can additionally have a measuring routine for determining the stroke duration from the output signals of the cylinder switching sensors and for their registration. The stroke duration registered in this way in a data memory can be used in an emergency to control the time of the flow reversal.
- a preferred embodiment of the invention provides that the path monitoring routine that responds to selected cylinder switching sensors, the pressure monitoring routine that responds to the pressure measured values, and the time monitoring routine that responds to the stroke time preferably form a hierarchically structured, redundant program sequence for reversing the pipe switch and / or the reversing pump.
- the control according to the invention switches the reversing pump in normal operation when the bottom-side cylinder switch is reached and thus ensures a continuous flow of concrete.
- the respective stroke duration is calculated during operation and the average high pressure at the pressure outlet of the reversing pump is determined and stored in data memories.
- the controller for the continued operation of the pump can be automatically switched over to at least one of the bottom-side cylinder switching sensors.
- the rod-side cylinder switching sensors are prioritized. During operation, however, the rod and the bottom-side cylinder switching sensors are monitored and can be activated independently of one another for the aforementioned measuring processes.
- the stroke time since the last switching operation can be monitored with the additional measures according to the invention and compared with the registered stroke duration.
- the expected stroke time can be calculated depending on the flow rate, the speed or the viscosity of the material to be conveyed. If the stroke time has almost expired, the high pressure at the pump outlet is compared with the mean stored high pressure of the current stroke. If the pressure rises above a predetermined threshold, forced reversal can be initiated in this case.
- the measures described above can also be used individually for reversing the pipe switch and the reversing pump.
- Figure 1 shows a section of a two-cylinder slurry pump in a partially sectioned diagram.
- FIG. 2 shows a circuit diagram of a computer-assisted drive hydraulics for a two-cylinder thick matter pump
- Fig. 3 is a flowchart of a redundant program sequence for pump control.
- the control arrangement shown in FIG. 2 is intended for a thick matter pump according to FIG. 1, which has two delivery cylinders 50, 50 ', the front openings 52 of which open into a material feed container 54 and can be connected alternately to a delivery line 58 via a pipe switch 56 during the pressure stroke ,
- the delivery cylinders 50, 50 ' are driven in a push-pull manner via hydraulic drive cylinders 5, 5' and a reversing hydraulic pump 6.
- the delivery pistons 60, 60 'of the delivery cylinders 50, 50' are connected to the pistons 8, 8 'of the drive cylinders 5, 5' via a common piston rod 9, 9 '.
- the drive cylinders 5, 5 ' are pressurized with oil at the bottom via the hydraulic lines 11, 11' of the hydraulic circuit with the aid of the reversing pump 6 and are on their rod end hydraulically connected to each other via a rocking oil line 12.
- the direction of movement of the drive pistons 8, 8 ', and thus of the common piston rods 9, 9', is reversed by reversing the direction of flow of the reversing pump 6 via a reversing device 18 containing a computer 14 and an adjustment mechanism 16.
- the reversing pump 6 has a swash plate 62, which is swiveled through its zero position during reversal, so that the direction of delivery of the pressure oil in the hydraulic lines 11, 11 'is reversed.
- the delivery rate of the reversing pump 6 can be varied by the swivel angle of the swash plate 62 at a predetermined speed of the drive motor, not shown.
- the swivel angle of the swash plate 62 can be adjusted via a remote control device 64 with the support of the computer 14.
- the reversing pump 6 and the pipe switch 56 are reversed as soon as the pistons 8, 8 'of the drive cylinders 5, 5' reach their end position.
- the reversing device 18 has a plurality of redundant control routines which are linked to one another to form a hierarchically structured program sequence (cf. FIG. 3).
- the reversing device evaluates output signals of the cylinder switching sensors 20, 22 and 20 ', 22' which are arranged at a distance from the rod-side and bottom ends of the two drive cylinders 5, 5 'and are connected on the output side to the computer-assisted reversing device 18.
- the cylinder switching sensors respond to the drive pistons 8, 8 'running past during pump operation and signal this event to the computer input 66, 68.
- a reversing signal 76 is triggered in the reversing device, which reverses the reversing pump 6 via the adjusting mechanism 16.
- reversal of the pipe switch 56 is also triggered via the directional valve and the plunger cylinders 72, 72 '.
- the computer 14 has a path monitoring routine 40 in which the output signals of the rod-side cylinder switching sensors 20, 20 'are evaluated, forming a reversing signal 76 for the reversing pump 6 and / or the pipe switch 56.
- a path monitoring routine 40 in which the output signals of the rod-side cylinder switching sensors 20, 20 'are evaluated, forming a reversing signal 76 for the reversing pump 6 and / or the pipe switch 56.
- at least one of the rod-side cylinder switching sensors 20, 20 'fails at least one of the bottom-side cylinder switching sensors 22, 22' is activated to form the reversing signal 76 via the monitoring routine 40 in its place.
- the reversing device 18 further comprises a pressure sensor 24, which is connected to the high pressure side 78 of the reversing pump 6 and whose output signal is evaluated in the computer 14 with the aid of a pressure monitoring routine 80.
- the pressure monitoring routine 80 calculates an average high pressure in the course of a lifting operation and comprises an algorithm for determining a pressure rise occurring at the end of each delivery stroke and for converting it into a reversing signal 76 'for the reversing pump 6 and / or the pipe switch 56. This reversing signal is preferred in the event of a failure of the cylinder shift sensors 20, 20 '; 22, 22 'used for reversal.
- a stroke duration dependent on the Ford and the drive speed of the reversing pump 6 can be determined and stored in a data memory of the computer 14. Even during the pumping operation, the stroke duration can be adjusted via the rod-like and bottom-side cylinder switching sensors 20, 20 '; 22, 22 'Measure and register as a function of the set delivery rate and engine speed. If for this purpose the stroke time is monitored after each switching operation and compared with the registered stroke duration, a reversing signal 76 "for the reversing pump 6 and / or the pipe switch 56 can be derived from this via a time monitoring routine 82 of the computer 14.
- the comparison routine 82 points out expediently has an algorithm which also converts the stored stroke time when adjusting tion of the delivery rate and / or the engine speed allows.
- the reversing signal 76 "derived from this ensures that an automatic reversal of the reversing pump 6 and the pipe switch 56 is triggered even if the cylinder switching sensors 20, 20 '; 22, 22' and the pressure sensor 24 fail, or if these sensors are not present can.
- the cylinder shift sensors 20, 20 '; 22, 22 'responsive monitoring routine 40, the pressure monitoring routine 80 responsive to the pressure sensor 24 and the time monitoring routine responsive to the stroke time 82 are linked together in this order to form a redundant, priority-structured program sequence (FIG. 3).
- the reversal process is triggered via one of the three routines of the program sequence.
- the stroke time is monitored in the program block 84 after each reversing process and, if necessary, a new stroke duration is stored.
- the invention relates to a device and a method for controlling a two-cylinder thick matter pump, the delivery pistons of which are actuated in a push-pull manner by means of a hydraulic reversing pump 6 and hydraulic drive cylinders controlled by this.
- the delivery cylinders 50, 50 ' are connected to a delivery line 58 with a pressure switch 56 with each pressure stroke. At the end of each delivery stroke in the delivery cylinders 50, 50 ', a reversing process of the pipe switch 56 and the reversing pump 6 is triggered.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200580000377A CN100595436C (zh) | 2004-03-26 | 2005-03-18 | 用于控制双缸泥浆泵的装置和方法 |
EA200600261A EA007369B1 (ru) | 2004-03-26 | 2005-03-18 | Устройство и способ для управления двухцилиндровым насосом для густой массы |
EP05716191A EP1727980B1 (de) | 2004-03-26 | 2005-03-18 | Vorrichtung und verfahren zur steuerung einer zweizylinder-dickstoffpumpe |
US10/592,217 US7611331B2 (en) | 2004-03-26 | 2005-03-18 | Device and method for controlling a two cylinder thick matter pump |
DE502005004119T DE502005004119D1 (de) | 2004-03-26 | 2005-03-18 | Vorrichtung und verfahren zur steuerung einer zweizylinder-dickstoffpumpe |
JP2007504320A JP5028255B2 (ja) | 2004-03-26 | 2005-03-18 | 2シリンダ型濃厚物質ポンプの制御装置および制御方法 |
UAA200601530A UA81964C2 (uk) | 2004-03-26 | 2005-03-18 | Варіанти пристрою і способу для керування двоциліндровим насосом для густого середовища |
KR1020067009229A KR101187523B1 (ko) | 2004-03-26 | 2005-03-18 | 두 개의 실린더를 갖는 농후 물질 제어용 장치 및 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004015415.5 | 2004-03-26 | ||
DE102004015415A DE102004015415A1 (de) | 2004-03-26 | 2004-03-26 | Vorrichtung und Verfahren zur Steuerung einer Zweizylinder-Dickstoffpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005093252A1 true WO2005093252A1 (de) | 2005-10-06 |
Family
ID=34963616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/002895 WO2005093252A1 (de) | 2004-03-26 | 2005-03-18 | Vorrichtung und verfahren zur steuerung einer zweizylinder-dickstoffpumpe |
Country Status (11)
Country | Link |
---|---|
US (1) | US7611331B2 (de) |
EP (2) | EP1906012B1 (de) |
JP (2) | JP5028255B2 (de) |
KR (1) | KR101187523B1 (de) |
CN (1) | CN100595436C (de) |
AT (2) | ATE395512T1 (de) |
DE (3) | DE102004015415A1 (de) |
EA (1) | EA007369B1 (de) |
ES (2) | ES2306109T3 (de) |
UA (1) | UA81964C2 (de) |
WO (1) | WO2005093252A1 (de) |
Cited By (3)
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DE102007058118A1 (de) * | 2007-11-30 | 2009-06-04 | Putzmeister Concrete Pumps Gmbh | Vorrichtung und Verfahren zum Ausbringen von Dickstoffen, insbesondere von Flüssigmörtel oder Flüssigbeton |
CN104100510A (zh) * | 2014-08-05 | 2014-10-15 | 安徽星马专用汽车有限公司 | 一种电控换向泵车的启泵方法 |
CN116877374A (zh) * | 2023-07-04 | 2023-10-13 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | 一种智能注浆泵及其注浆方法 |
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RU2510466C2 (ru) * | 2009-09-30 | 2014-03-27 | Бомбардир Рекриейшнл Продактс Инк. | Электронный масляный насос |
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CN114294211B (zh) * | 2021-12-28 | 2024-03-12 | 徐州徐工施维英机械有限公司 | 一种电控换向混凝土泵的应急泵送方法 |
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DE3243576A1 (de) * | 1982-11-25 | 1984-05-30 | Karl Dipl.-Ing. 7000 Stuttgart Schlecht | Zweizylinder-kolbenpumpe, insbesondere fuer dickstoffe |
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EP0567826A2 (de) * | 1992-04-29 | 1993-11-03 | Abel GmbH & Co. Handels- + Verwaltungsgesellschaft | Feststoffpumpe |
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-
2004
- 2004-03-26 DE DE102004015415A patent/DE102004015415A1/de not_active Withdrawn
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2005
- 2005-03-18 ES ES05716191T patent/ES2306109T3/es active Active
- 2005-03-18 JP JP2007504320A patent/JP5028255B2/ja not_active Expired - Fee Related
- 2005-03-18 DE DE502005004119T patent/DE502005004119D1/de active Active
- 2005-03-18 EP EP07119583A patent/EP1906012B1/de active Active
- 2005-03-18 AT AT05716191T patent/ATE395512T1/de not_active IP Right Cessation
- 2005-03-18 DE DE502005005923T patent/DE502005005923D1/de active Active
- 2005-03-18 ES ES07119583T patent/ES2316137T3/es active Active
- 2005-03-18 AT AT07119583T patent/ATE413529T1/de not_active IP Right Cessation
- 2005-03-18 UA UAA200601530A patent/UA81964C2/uk unknown
- 2005-03-18 WO PCT/EP2005/002895 patent/WO2005093252A1/de active IP Right Grant
- 2005-03-18 CN CN200580000377A patent/CN100595436C/zh not_active Expired - Fee Related
- 2005-03-18 US US10/592,217 patent/US7611331B2/en active Active
- 2005-03-18 EA EA200600261A patent/EA007369B1/ru not_active IP Right Cessation
- 2005-03-18 EP EP05716191A patent/EP1727980B1/de active Active
- 2005-03-18 KR KR1020067009229A patent/KR101187523B1/ko active IP Right Grant
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102007058118A1 (de) * | 2007-11-30 | 2009-06-04 | Putzmeister Concrete Pumps Gmbh | Vorrichtung und Verfahren zum Ausbringen von Dickstoffen, insbesondere von Flüssigmörtel oder Flüssigbeton |
CN104100510A (zh) * | 2014-08-05 | 2014-10-15 | 安徽星马专用汽车有限公司 | 一种电控换向泵车的启泵方法 |
CN116877374A (zh) * | 2023-07-04 | 2023-10-13 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | 一种智能注浆泵及其注浆方法 |
Also Published As
Publication number | Publication date |
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JP5028255B2 (ja) | 2012-09-19 |
DE102004015415A1 (de) | 2005-10-13 |
EP1727980B1 (de) | 2008-05-14 |
DE502005005923D1 (de) | 2008-12-18 |
EP1727980A1 (de) | 2006-12-06 |
UA81964C2 (uk) | 2008-02-25 |
US7611331B2 (en) | 2009-11-03 |
JP2011153626A (ja) | 2011-08-11 |
EA200600261A1 (ru) | 2006-06-30 |
EP1906012A1 (de) | 2008-04-02 |
EP1906012B1 (de) | 2008-11-05 |
CN100595436C (zh) | 2010-03-24 |
ES2306109T3 (es) | 2008-11-01 |
EA007369B1 (ru) | 2006-10-27 |
ATE395512T1 (de) | 2008-05-15 |
ES2316137T3 (es) | 2009-04-01 |
JP2007530854A (ja) | 2007-11-01 |
KR101187523B1 (ko) | 2012-10-02 |
KR20060127382A (ko) | 2006-12-12 |
CN1788158A (zh) | 2006-06-14 |
ATE413529T1 (de) | 2008-11-15 |
US20070196219A1 (en) | 2007-08-23 |
DE502005004119D1 (de) | 2008-06-26 |
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