Submergible electrohydraulic drive unit for ramming and working devices to be used under water
AssigneeBomag-Menck GmbH
InventorHans Kuehn
Life of this patent
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Abstract
A submergible electrohydraulic drive unit is a multi-purpose device for driving different underwater ramming and working devices and has a housing with a throughgoing central receiving space for a ramming pile or a respective ramming or working device, ring-shaped upper and lower supporting plates, an outer wall, an inner wall which forms the receiving space, and a plurality of pump units arranged between the inner wall and the outer wall and each having a hydraulic pump and an associated electric motor and individually or jointly limitedly movably spring-biased relative to the housing, one supporting plate having means for exchangeably mounting said device adjusted relative to said receiving space.
Claims43
A submergible electrohydraulic drive unit for working devices for use under water, comprising a housing having upper and lower supporting plates, an outer wall connected with said supporting plates, and an inner wall forming a thoroughgoing receiving space for at least one exchangeable device selected from a pile driver hammer, a vibration ramming device, a rotatable working device or a rinsing device;
- and a plurality of pump units connectable with the device and including a plurality of hydraulic pumps and associated electric motors, arranged between said inner wall and said outer wall at circumferential distances from each other, so that the drive unit is formed as a multi-purpose unit for driving the respective one of said devices, said pump units being mounted for limited movement against pretensioned spring force relative to said housing, and at least one of said plates being provided with means for exchangeably mounting said device in opposition adjusted relative to said receiving space.
Dependencies are inferred from the claim text.