EP3283765A1 - Portable mobile hydraulic pump for hydraulically operated tools - Google Patents
Portable mobile hydraulic pump for hydraulically operated toolsInfo
- Publication number
- EP3283765A1 EP3283765A1 EP16717134.7A EP16717134A EP3283765A1 EP 3283765 A1 EP3283765 A1 EP 3283765A1 EP 16717134 A EP16717134 A EP 16717134A EP 3283765 A1 EP3283765 A1 EP 3283765A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- hydraulic pump
- tool
- pump according
- output
- 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
- 235000012771 pancakes Nutrition 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/06—Mobile combinations
Definitions
- the invention relates to portable mobile hydraulic pumps for hydraulically operated tools with a disk motor in conjunction with a control device and a cup-shaped fluid receiving housing with connections for at least one tool on the housing and at least one outlet and an inlet and an eccentric with coupled pumping elements and channels in the case.
- a portable hydraulic pump is known inter alia by the document DE 295 14 768 U1.
- a housing In a housing is a pump unit.
- a trained as a disk motor electric motor drive is arranged outside of the housing.
- the pressure side of the pump unit is connected via a pressure line to an outlet.
- the document DE 295 19 941 U1 describes a hydraulic pump unit, wherein a plurality of pump units are coupled to an electric motor via an eccentric. These components are housed together in a housing.
- the housing has an inlet and an outlet for the hydraulic medium.
- a hydraulic motor pump unit is known.
- the drive of a pump element by means of a collector motor.
- the pressure sides of a plurality of pump elements are connected via pressure lines to the outlet of the hydraulic pump.
- a mobile hydraulic pump for hydraulically operated tools is disclosed in the publication DE 10 2007 047 757 A1.
- a pancake motor acts on pump units via a coupled eccentric.
- the pressure sides of the pump units are connected via channels to an outlet of the hydraulic pump. These channels are part of the housing.
- the indicated in claim 1 invention has for its object to provide a mobile hydraulic pump for hydraulically operated tools easy and portable.
- the portable mobile hydraulic pumps for hydraulically operated tools with a pancake motor in conjunction with a control device and a cup-shaped fluid receiving housing with connections for at least one tool on the housing and at least one outlet and an inlet and an eccentric with coupled pumping elements and channels in the housing are characterized in particular by their simple realization.
- the housing has two connecting pieces with the connections for the at least one tool.
- First channels connect the pressure sides of the pumping elements and in each case a first outlet of the connecting piece.
- a second channel connects a second output and a connector for the tool.
- a third channel connects a third outlet and the interior of the housing.
- the outputs are spaced apart in a plane.
- at least one functional element on the plane is arranged so that the outputs are closed or
- the first channels as pressure lines for the hydraulic medium are placed in the housing, so that a compact portable mobile hydraulic pump is present.
- the compactness continues to lead to a small possible realization.
- the size is essentially determined by the housing itself and the dimensions of the pancake motor.
- the interior of the housing is the reservoir for the hydraulic medium, which is connected to the suction sides of the pumping elements.
- the pumping elements are located at least partially in the hydraulic medium of the interior. The formation of the pressure lines in the housing means that large pressures of the hydraulic medium can be realized even with small dimensions.
- the fittings and the functional elements advantageously lead to a universally applicable portable mobile hydraulic pump. These can be easily connected to a tool with a single-acting cylinder, a double-acting cylinder and a cylinder with its own valve.
- the outputs are arranged in one plane so that simply implemented functional elements can be connected tightly to them.
- the functional elements advantageously also have at least one flat surface on, which are easily sealed and detachable connected to each other. The solubility is ensured by means of known screw connections.
- the pancake motor is coupled or coupleable to a known accumulator as an electrical energy source.
- the control is carried out by means of the control device, which may be a known data processing system, for example in the form of a known microcomputer.
- Mobile and portable means in particular the possibility to carry the hydraulic pump by the user, so that he can use the tool directly on site.
- the hydraulic pump and the tool can thus be operated independently on site.
- the functional element is according to the embodiment of claim 2 advantageously a closure plate, a circulation plate with at least one line, a pressure relief valve, a pressure relief valve in conjunction with a port, a directional control valve or an adapter.
- the pressure relief valve may further be connected to a tank and / or the interior of the housing, so that the pressure-increasing excess fluid enters the tank and / or the interior. With such a valve can also be advantageously set the maximum pressure of the fluid to the tool.
- the functional element has according to the embodiment of claim 3, a polygonal base. This advantageously leads to the fact that the functional element can be easily placed and fixed in a predetermined and functional position.
- the functional element has, according to the embodiment of claim 4 on a square base. Furthermore, the first output, the second output and the third output are arranged in a diagonal of a quadrangle. By turning and fixing, outputs can be connected and terminated.
- a housing wall of the pancake motor is according to the embodiment of claim 5, both the lid of the housing and a heat sink of the pancake motor.
- the height of the hydraulic pump decreases. At the same time that works located in the housing and flowing during operation of the tool fluid heat dissipation and thus as a cooling medium.
- the heat sink has according to the embodiment of claim 6 in the housing facing cooling fins, so that an enlarged cooling surface is present.
- the shaft of the pancake motor is according to the embodiment of claim 7 at the same time the shaft for the eccentric in coupling with the pumping elements.
- the shaft for the eccentric in coupling with the pumping elements For a simple operation of the pumping elements is given. This realization leads to a simple and economically cheap to deploy mobile hydraulic pump.
- a pressure measuring device connected to the outlet of the housing is connected to the control device in such a way that the pancake motor is switched off at a predetermined pressure and / or over a period of time substantially increasing pressure.
- the corresponding tools are in their final position.
- the pressure is only increased in the channels and hoses leading to the tools. This leads to a significant increase in pressure, which is indicated in the time-pressure curve by a break point and a significantly increased slope of the corresponding curve.
- This is used to shut down the disc rotor motor. This is done automatically, so that the use is simplified and a significant overpressure in the leads to the tool is avoided.
- the pressure measuring device may also be a pressure sensor. This is in this case connected to the data processing system so that is switched off at a predetermined and adjustable pressure of the pancake motor. An overpressure in the supply lines to the tool is largely avoided.
- a known pressure booster is connected to the embodiment of claim 9. This can easily be generated with the hydraulic pump, a very high pressure.
- a pressure-limiting valve is coupled to the fourth outlet of the functional element in such a way that, in the event of overpressure, the first channels are connected to the interior of the housing and / or a tank. An overpressure in the supply lines to the tool is avoided.
- the inlet is connected according to the embodiment of claim 1 1 with at least one tank, wherein the tank is a separately arranged tank or a tank on the housing.
- the interior of the housing is connected according to the embodiment of claim 12 via the inlet and a solenoid valve to the tank for hydraulic medium on the housing, which is further interconnected with the control device.
- a fluid cooler Between the inlet and the tank is located after the embodiment of claim 13, a fluid cooler.
- a tool connection and / or the tool has according to the embodiment of claim 14 at least one transponder with tool-specific data.
- FIG. 3 shows a housing of a portable mobile hydraulic pump with functional elements
- Fig. 6 is a portable mobile hydraulic pump with tanks.
- a portable mobile hydraulic pump for hydraulically operated tools consists essentially of a pancake motor 1, a control device 25, a cup-shaped fluid receiving housing 2 with pumping elements 8 and fittings 3.
- Fig. 1 shows a portable mobile hydraulic pump in a schematic representation.
- the pancake motor 1 is located on the pot-shaped housing 2.
- the connection pieces 3 are designed to project laterally, so that the tool connections 4 are freely accessible and functional elements easily on and degradable.
- Fig. 2 shows a portable mobile hydraulic pump in a basic sectional view.
- the pancake motor 1 is a known electric motor, the rotor being a disk.
- the latter is a permanent magnet.
- the coils are fixed and components of the stator. The operation takes place by means of the control device 25 connected to the pancake motor 1.
- the pancake motor 1 is located on the cup-shaped housing 2 receiving the fluid.
- a housing wall 5 of the pancake motor 1 may advantageously be the lid of the housing 2 at the same time.
- This housing wall 5 serves at the same time for cooling, wherein flowing medium in the housing 2 can be used simultaneously as a coolant.
- the housing wall 5 facing the interior of the housing 2 may have cooling fins 6.
- the cup-shaped housing 1 may advantageously be a cast body.
- the housing 1 further has connections for at least one tool and in each case at least one outlet 22 and an inlet 23 and an eccentric 7 with coupled pumping elements 8 and channels 9 in the housing 2.
- the housing 2 there are three pumping elements 8 in the form of known piston pumps.
- the pistons of the pump elements which are offset with respect to one another in a plane, are coupled to the eccentric 7.
- the shaft 10 of the disc rotor motor 1 is at the same time the shaft 10 for the eccentric 7, wherein the shaft 10 penetrates the housing wall 5 as a cover of the housing 2.
- the pumping elements 8 are fixed with pins.
- Fig. 3 shows a housing of a portable mobile hydraulic pump in a schematic representation.
- the suction sides of the pumping elements 8 are connected to the interior 1 1 of the housing 2.
- the pressure side of the pump elements 8 are connected via first channels 12 as pressure channels with the first outputs 15 of the connecting pieces 3.
- the first channels 12 are Components of the housing 2 and are introduced holes, with unnecessary end portions are provided with at least one closure element.
- the housing 2 has two connecting pieces 3 with the connections for the at least one tool in each case as a tool connection 4.
- the connecting piece 3 connect a second channel 13 a second output 16 and a connection for the tool and a third channel 14, a third output 17 and the interior 1 1 of the housing 2.
- the outputs 15, 16, 17 of the connector 3 are spaced apart in a plane to each other.
- the end of the connecting piece 3 with the three outputs 15, 16, 17 is square-shaped in particular square.
- the outputs 15, 16, 17 are arranged in a diagonal.
- At least one functional element 18 is arranged so that
- Functional element 18 is connected and an outlet closed
- O stands for open (connection via the functional element 18) and X for closed (with region of the plate as the functional element 18).
- X stands for closed (connection via the functional element 18).
- These functions are only examples.
- other functional elements 18 with through holes and / or other connections are not excluded from drilling.
- This can be in particular 3/2 or 2/2-way valves.
- a valve or valves can be attached directly as a functional element.
- the actuation units of the valves are coupled to the control device 25 so that they are actuated according to the respective function. This is a universal and economical use of portable hydraulic pump is given.
- FIG. 5 shows a connection piece 3 with functional elements 18 and tank 21 in a basic representation.
- the functional element 18 can for this purpose a closure plate, a circulation plate with at least one line for connecting two outputs, a pressure relief valve 20, a pressure relief valve in conjunction with a port, a pressure relief valve in conjunction with a tank 21 for fluid or an adapter.
- the functional element 18 has a polygonal base, in particular a square base. The bases of the functional element 18 and the end of the connecting piece 3 with the outputs 15, 16, 17 have the same dimensions.
- a pressure relief valve 20 is coupled so that the first channels 12 are connected to the interior 1 1 of the housing 2 and / or the tank 21 at overpressure.
- Fig. 6 shows a portable mobile hydraulic pump with tanks 21 in a schematic representation.
- a pressure measuring device 24 may be connected, which may further be connected to the control device 25 so that at a predetermined pressure and / or over a period substantially increasing pressure of the pancake motor 1 is turned off.
- the outlet 22 and a pressure booster can be connected.
- the housing 2 may also have two outlets 22 for each pressure measuring device 24 and a pressure booster.
- a battery 26 is advantageously provided.
- the inlet 23 of the housing 2 is connected to the at least one tank 21, wherein the tank 21 or the tanks are arranged on the housing 2. Of course, this can also be a separately arranged tank.
- the interior 1 1 of the housing 2 is connected to the housing 2 via the inlet 23 and a solenoid valve to the tank 21 for hydraulic medium.
- the solenoid valve is connected to the control device 25, wherein when the pressure builds up to the tool, the solenoid valve is closed.
- a fluid cooler located between the inlet 23 and the tank 21 is a fluid cooler.
- a tool connection and / or the tool has at least one transponder with tool-specific data.
- the tool terminals 4 of the housing 2 have transmit / receive devices for electromagnetic waves connected to the control device 25.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015207033.6A DE102015207033A1 (en) | 2015-04-17 | 2015-04-17 | Portable mobile hydraulic pump for hydraulically operated tools |
PCT/EP2016/058398 WO2016166321A1 (en) | 2015-04-17 | 2016-04-15 | Portable mobile hydraulic pump for hydraulically operated tools |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3283765A1 true EP3283765A1 (en) | 2018-02-21 |
EP3283765B1 EP3283765B1 (en) | 2019-03-13 |
Family
ID=55759590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16717134.7A Active EP3283765B1 (en) | 2015-04-17 | 2016-04-15 | Portable mobile hydraulic pump for hydraulically operated tools |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3283765B1 (en) |
DE (1) | DE102015207033A1 (en) |
WO (1) | WO2016166321A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT520046B1 (en) | 2017-06-12 | 2022-10-15 | Weber Hydraulik Gmbh | Hydraulic unit for hydraulic rescue tools and rescue tools equipped therewith |
AT522933B1 (en) * | 2019-09-06 | 2021-04-15 | Weber Hydraulik Gmbh | Portable, battery-operated hydraulic power pack for hydraulic rescue tools |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29514768U1 (en) | 1995-09-14 | 1995-11-09 | Kabelkonfektionstechnik KKT GmbH, 96515 Sonneberg | hydraulic pump |
DE29519941U1 (en) | 1995-12-15 | 1997-04-17 | Wagner, Paul-Heinz, 53804 Much | Hydraulic pump unit |
DE29802441U1 (en) | 1998-02-12 | 1998-05-07 | Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München | Hydraulic motor pump unit |
DE10028957C2 (en) * | 2000-06-16 | 2002-07-11 | Lukas Hydraulik Gmbh & Co Kg | Portable hydraulic pump unit |
WO2009043798A1 (en) * | 2007-09-28 | 2009-04-09 | ESV Werkzeuge und Zubehör für die elektrische Stromverteilung GmbH | Mobile hydraulic pump for hydraulically operated tools |
DE202007013935U1 (en) * | 2007-09-28 | 2008-01-17 | ESV Werkzeuge und Zubehör für die elektrische Stromverteilung GmbH | Mobile hydraulic pump for hydraulically operated tools |
DE102007047757A1 (en) | 2007-09-28 | 2009-04-02 | ESV Werkzeuge und Zubehör für die elektrische Stromverteilung GmbH | Mobile hydraulic pump for tool, has pump unit coupled with electric motor with disk shaped rotor by eccentric tappet, and comprising pressure side connected with outlet of hydraulic medium by channel as component of housing |
ES2389633T3 (en) * | 2009-04-15 | 2012-10-29 | Hawe Hydraulik Se | Motor pump group |
DE102010040276A1 (en) * | 2010-09-06 | 2012-03-08 | Kkt Gmbh | Device for increasing the performance of hydraulically operated tools |
-
2015
- 2015-04-17 DE DE102015207033.6A patent/DE102015207033A1/en not_active Withdrawn
-
2016
- 2016-04-15 EP EP16717134.7A patent/EP3283765B1/en active Active
- 2016-04-15 WO PCT/EP2016/058398 patent/WO2016166321A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2016166321A1 (en) | 2016-10-20 |
EP3283765B1 (en) | 2019-03-13 |
DE102015207033A1 (en) | 2016-10-20 |
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