EP0991864A1 - Kolbenpumpe für dickstoffe - Google Patents
Kolbenpumpe für dickstoffeInfo
- Publication number
- EP0991864A1 EP0991864A1 EP98937452A EP98937452A EP0991864A1 EP 0991864 A1 EP0991864 A1 EP 0991864A1 EP 98937452 A EP98937452 A EP 98937452A EP 98937452 A EP98937452 A EP 98937452A EP 0991864 A1 EP0991864 A1 EP 0991864A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- piston pump
- pump according
- base plate
- water box
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000010801 sewage sludge Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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
-
- 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 piston pump for thick matter with at least one hydraulically actuated feed cylinder, the feed piston of which is connected via a common piston rod to the piston of a hydraulic drive cylinder, and to a water box arranged between the discharge cylinder and the working cylinder, through which the piston rod extends and one from above accessible, cover-side assembly opening and a water outlet socket arranged on the bottom.
- Piston pumps of this type are used for the transport of thick materials such as concrete, clear sludge, tunnel excavation and the like.
- the water tank primarily has a cleaning function: the common piston rod penetrating the water tank is freed or kept free of contamination from the area of the feed cylinder in order to avoid contamination of the hydraulic fluid.
- the water tank also has an important assembly and maintenance function: Depending on the abrasiveness of the fluid, the pistons, which are subject to more or less wear, must be replaced at certain intervals. They are therefore detachably connected to the piston rod. Installation takes place inside the water tank via its cover-side opening. Due to the design, the water tank is located in a central area of the mobile or stationary Pump frame, in which there are also further units of the pump arrangement.
- the space available above the water box is therefore usually very cramped, so that the mounting opening and the interior of the water box are difficult to access from the outside.
- the assembly of the delivery pistons is made even more difficult by the fact that the delivery pistons, which are initially to be brought into a defined fastening position, have a high weight and the fastening members, such as screws and nuts, are to be attached at locations which cannot be seen from the outside. It happens again and again that a screw or nut falls down during an assembly process and must be searched blindly on the bottom of the water tank with great effort.
- the object of the invention is to improve the known piston pumps of the type specified at the outset in such a way that easier piston assembly and maintenance is possible.
- the solution according to the invention is based on the idea that the piston assembly is made considerably easier if the water tank is accessible from two sides.
- the water tank additionally has a liquid base arranged on the bottom and with a removable base plate. has a mounting opening that can be closed tightly.
- the bottom-side mounting opening is delimited by a circumferential, downward-pointing flange to which the base plate can be fastened in a liquid-tight manner.
- the base plate engages in a form-fitting manner in an open-edged recess in the water tank.
- the base plate expediently has a preferably circumferential edge or rib that dips into a complementary flange recess in a form-fitting manner.
- a circumferential sealing ring is expediently inserted between the flange and the base plate.
- a further advantageous embodiment of the invention provides that the outlet nozzle is arranged on the base plate and projects beyond its outer, downward-facing broad side surface. It is expediently connected via a 90 ° elbow to the center of the base plate and its free end is essentially parallel to the broad side surface and projects outwards beyond one of the side edges of the base plate, so that it can be detachably suspended from a frame-shaped, preferably hook-shaped holding member can. If the water box additionally ⁇ a bracket is provided which engages under the bottom plate in the region of the retaining member against ⁇ opposite side edge, the bottom plate can after emptying of the water tank from Flange be separated without having to hold it.
- the base plate has a handle protruding on its outer broad side surface.
- an assembly element that can be inserted into the water box via the cover-side assembly opening and that aligns the delivery piston to be assembled within the water box relative to the piston rod can be provided. So that the assembly can only be carried out by a single fitter, it is advantageous if the assembly element can be locked temporarily on the water tank, preferably in the edge region of the cover-side assembly opening, the assembly element being, for example, attachable to the water tank edge, engaging in the water tank and the Conveyor piston under belt or strap is formed.
- Figure 1 shows a two-cylinder piston pump for thick matter in a diagram.
- FIG. 2 shows a section through the pump arrangement in the region of the water tank;
- 3a shows a sectional view of the bottom region of the water box according to FIG. 2 when the base plate is loosened;
- Fig. 3b is a sectional view of the bottom plate removed from the water tank.
- the thick matter pump shown in the drawing essentially consists of two delivery cylinders 10, 12, the end openings 14, 16 of which flow into a material feed container 18 and alternately connectable to a delivery line 22 via a pipe switch 20 during the pressure stroke (arrow 19) and during the Suction strokes (arrows 24) are sucked open to the material feed container 18.
- the delivery cylinders 10, 12 are driven in a push-pull manner via hydraulic drive cylinders 26, 28.
- the delivery pistons 30 are each connected to the pistons 38 of the drive cylinders 26, 28 via a common piston rod 34.
- the water box can be used via the cover-side mounting opening 44 each associated with the delivery piston 30, not shown stop body, which prevents the delivery piston and the material sucked by them can get into the water box during operation.
- the stop bodies can be removed from the water tank via the assembly opening 44, so that the delivery piston 30 can be moved into the water tank for repair and maintenance purposes. nen.
- the delivery pistons are attached to the piston rod with several screws. These screws must be loosened or attached inside the water box. Since the water box 42 is arranged in a central area of the thick matter pump on a mobile or stationary pump frame 46, in which additional units 48, such as a pump motor or an oil pan, are located for structural reasons, there is little free space 50 above the mounting opening 44 for them Implementation of the assembly work.
- the water box 42 in the exemplary embodiments shown additionally has an assembly opening 54 which is arranged on the bottom and can be closed in a liquid-tight manner with a removable base plate 52 and is delimited by a circumferential, downward-pointing flange 56 on which the base plate 52 by means of screws 58 under intermediate clamps of a circumferential sealing ring, not shown, can be fastened in a liquid-tight manner.
- the free space 60 between the mounting surface 62 of the pump frame 60 and the bottom-side mounting opening 54 can be used for mounting purposes.
- the base plate 52 can be provided with a circumferential rib or edge (not shown), with which it can be inserted in a form-fitting manner in the base-side mounting opening 54.
- a water outlet connection 66 is connected via a 90 ° elbow 64 which, with its free end carrying a shut-off element 68, projects beyond the outer edge of the water box 42 and is arranged there on a frame hook-shaped holding member 70 can be hooked.
- At least one holding bracket 72 Arranged on the side edge of the flange 56 opposite the hook member 70 is at least one holding bracket 72 which engages under the relevant side edge of the base plate 52 and, together with the hook-shaped holder member 70, ensures that the base plate 52 is held in an intermediate position when the screws 58 are loosened and cannot fall down. When all screws 58 are loosened, the base plate 52 can be gripped on the handle 74 and removed from the bracket 72 and the holding member 70 (see FIGS. 3a and b). The water tank is thus accessible both through the cover-side mounting opening 44 and via the bottom-side mounting opening 54. With a mounting aid, which in the case of FIG.
- the delivery piston 30 to be assembled or disassembled can be placed in the correct assembly position in front of the piston rod 34 from above, during the actuation the fasteners can be undisturbed via the bottom opening.
- the invention relates to a piston pump for thick materials such as concrete, clear sludge, tunnel excavation and the like.
- the piston pump has at least one hydraulically actuated delivery cylinder 10, 12, the delivery piston 30 of which is connected to the piston 38 of a hydraulic drive cylinder 26, 28 via a common piston rod 34.
- a water box 42 Between the delivery cylinders 10, 12 and the working cylinders 26, 28 there is a water box 42 through which the piston rod 34 is rhyming. reaches through and has a cover-side mounting opening 44 accessible from above and a closable water outlet spout 66 arranged at the bottom.
- the water tank 42 additionally has an assembly opening 54 which is arranged on the bottom and can be closed in a liquid-tight manner with a removable base plate 52.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19727103 | 1997-06-26 | ||
| DE19727103A DE19727103A1 (de) | 1997-06-26 | 1997-06-26 | Kolbenpumpe für Dickstoffe |
| PCT/EP1998/003403 WO1999000599A1 (de) | 1997-06-26 | 1998-06-06 | Kolbenpumpe für dickstoffe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0991864A1 true EP0991864A1 (de) | 2000-04-12 |
| EP0991864B1 EP0991864B1 (de) | 2002-04-03 |
Family
ID=7833676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98937452A Expired - Lifetime EP0991864B1 (de) | 1997-06-26 | 1998-06-06 | Kolbenpumpe für dickstoffe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6116865A (de) |
| EP (1) | EP0991864B1 (de) |
| DE (2) | DE19727103A1 (de) |
| ES (1) | ES2173605T3 (de) |
| WO (1) | WO1999000599A1 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410198A (zh) * | 2011-09-15 | 2012-04-11 | 三一重工股份有限公司 | 混凝土泵送设备及其泵送机构 |
| FR3105207A1 (fr) | 2019-12-23 | 2021-06-25 | Syctom L'agence Metropolitaine Des Dechets Menagers | Dispositif d’injection sous haute pression d’un mélange humide |
| FR3105252A1 (fr) | 2019-12-23 | 2021-06-25 | Syctom L'agence Metropolitaine Des Dechets Menagers | Dispositif d’injection sous haute pression d’une ressource organique |
| FR3112089A1 (fr) | 2020-07-02 | 2022-01-07 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif d’injection sous haute pression d’un effluent |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100281932B1 (ko) * | 1998-10-10 | 2001-09-22 | 양재신 | 드라이브 실린더 유압장치 |
| US6511302B1 (en) | 2001-07-05 | 2003-01-28 | Magnum Pumps, Inc. | Slurry piston pump with cylinder cleaning apparatus |
| US6733247B2 (en) | 2001-12-28 | 2004-05-11 | Magnum Pumps, Inc. | Pumping device for viscous slurry material |
| DE102005039238B4 (de) * | 2005-08-19 | 2016-05-25 | Schwing Gmbh | Betonfördervorrichtung mit einem Wasserkasten |
| CN101776053B (zh) * | 2010-03-16 | 2012-09-05 | 三一重工股份有限公司 | 混凝土泵送结构 |
| CN102927078B (zh) * | 2012-10-31 | 2016-01-20 | 三一重工股份有限公司 | 一种液压油缸及具有其的泵送机构、工程机械 |
| DE102023110126B3 (de) * | 2023-04-20 | 2024-05-08 | Putzmeister Engineering Gmbh | Dickstoffpumpe und Verfahren zum Betrieb einer Dickstoffpumpe |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3146721A (en) * | 1960-08-08 | 1964-09-01 | Schwing Friedrich Wilhelm | Hydraulic piston pump for the pumping of viscous pulpy or plastic substances |
| NL129372C (de) * | 1960-08-08 | |||
| DE1907508A1 (de) * | 1969-02-14 | 1970-09-03 | Scheele Kg Walter | Tandem-Anordnung zweier Kolbenmaschinen |
| US3682575A (en) * | 1970-12-10 | 1972-08-08 | Karl Guddal | Concrete pump |
| DE2757035C3 (de) * | 1977-12-21 | 1980-09-11 | Wibau Industrie Und Verwaltung Gmbh, 6466 Gruendau | Betonkolbenpumpe |
| DE3024139C2 (de) * | 1980-06-27 | 1986-04-10 | Friedrich Wilh. Schwing Gmbh, 4690 Herne | Zweizylinderdickstoffpumpe |
| DE3365931D1 (en) * | 1982-01-22 | 1986-10-16 | Thomsen A F D Sales Service | Slurry pump |
| DE3304985A1 (de) * | 1983-02-12 | 1984-08-23 | Rudolf Ing. Riker (grad.), 8940 Memmingen | Pumpeneinheit fuer schwerfliessende stoffe, etwa beton |
| JPS6131677A (ja) * | 1984-07-25 | 1986-02-14 | Kyokuto Kaihatsu Kogyo Co Ltd | ピストン式コンクリ−トポンプにおける洗浄方法および装置 |
| DE3861434D1 (de) * | 1987-06-27 | 1991-02-07 | Putzmeister Maschf | Zweizylinder-dickstoffpumpen. |
| US5180294A (en) * | 1992-03-04 | 1993-01-19 | Confloat Consulting Ltd. | Concrete pump having pressurized seal for swing tube |
| US5332366A (en) * | 1993-01-22 | 1994-07-26 | Schwing America, Inc. | Concrete pump monitoring system |
-
1997
- 1997-06-26 DE DE19727103A patent/DE19727103A1/de not_active Withdrawn
-
1998
- 1998-06-06 US US09/319,125 patent/US6116865A/en not_active Expired - Lifetime
- 1998-06-06 DE DE59803633T patent/DE59803633D1/de not_active Expired - Lifetime
- 1998-06-06 EP EP98937452A patent/EP0991864B1/de not_active Expired - Lifetime
- 1998-06-06 ES ES98937452T patent/ES2173605T3/es not_active Expired - Lifetime
- 1998-06-06 WO PCT/EP1998/003403 patent/WO1999000599A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9900599A1 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410198A (zh) * | 2011-09-15 | 2012-04-11 | 三一重工股份有限公司 | 混凝土泵送设备及其泵送机构 |
| CN102410198B (zh) * | 2011-09-15 | 2015-01-14 | 三一汽车制造有限公司 | 混凝土泵送设备及其泵送机构 |
| FR3105207A1 (fr) | 2019-12-23 | 2021-06-25 | Syctom L'agence Metropolitaine Des Dechets Menagers | Dispositif d’injection sous haute pression d’un mélange humide |
| FR3105252A1 (fr) | 2019-12-23 | 2021-06-25 | Syctom L'agence Metropolitaine Des Dechets Menagers | Dispositif d’injection sous haute pression d’une ressource organique |
| WO2021130445A1 (fr) | 2019-12-23 | 2021-07-01 | Syctom L'agence Metropolitaine Des Dechets Menagers | Dispositif d'injection sous haute pression d'une ressource organique |
| WO2021130444A1 (fr) | 2019-12-23 | 2021-07-01 | Syctom L'agence Metropolitaine Des Dechets Menagers | Dispositif d'injection sous haute pression d'un mélange humide |
| FR3112089A1 (fr) | 2020-07-02 | 2022-01-07 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif d’injection sous haute pression d’un effluent |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19727103A1 (de) | 1999-01-07 |
| DE59803633D1 (de) | 2002-05-08 |
| ES2173605T3 (es) | 2002-10-16 |
| EP0991864B1 (de) | 2002-04-03 |
| US6116865A (en) | 2000-09-12 |
| WO1999000599A1 (de) | 1999-01-07 |
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