Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electrical power distribution systems and devices
Patent
1998-06-16
1999-12-14
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electrical power distribution systems and devices
361614, 361615, 361634, 361635, 200 5033, 200 5035, 335159, 335160, 335161, H02B 500
Patent
active
060025794
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a switchgear unit comprising a first switching device and a second switching device which are jointly provided with a reversing combination.
RELATED TECHNOLOGY
DE 11 47 299 discloses a mechanical interlocking apparatus for a reversing contactor for three-phase motors, which reversing contactor is composed of two electromagnets which are arranged side-by-side and have associated armatures which can move in a straight line for contact operation. As an interlocking apparatus, one or more pendulums are in this case arranged between the two electromagnets and its or their free end or ends is or are provided with in each case two projections which, in the rest state, project slightly into the movement path of both armatures and, when one of the electromagnets is energized, on the one hand is or are forced by the armature of said pulled-in electromagnet out of the movement path of said armature and, on the other hand, is or are pivoted--in a completely blocking manner--into the movement path of the other armature.
DE 24 40 361 B2 discloses a mechanical interlock by means of which parts which move parallel, for example the switching heads of two contactors, can be mutually interlocked. The mechanical interlock has a T-shaped interlocking piece with two opposite support pins which are held by elongated hole guide supports, which are each located in the moving parts to be interlocked. The housing of the mechanical interlock projects into corresponding recesses in the housings, for example switch housings, which contain the moving parts. The interlocking housing is arranged in the gap between the housings with the parts to be mutually interlocked.
DE-AS 11 47 299 describes a mechanical interlocking apparatus for two electromagnets of a reversing contactor which are arranged side-by-side. In this case, two pendulums mounted between moving contact carriers, such that they can rotate. The free ends of the pendulums are broadened by projections which allow straight-line movement of in each case only a single contact carrier, while the other one is held in the rest position by the projection, which is forced into its movement path.
DE 41 42 179 A1 discloses a mechanical interlocking device. Once again, a plurality of contactors which are mounted side-by-side are intended to be operated in such a manner that, when one contactor has been switched on, it is impossible to switch the other contactor. To this end, two locking catches are mounted in the mutually facing side surfaces, which rest against one another, of the contactors, of which locking catches, the one locking catch can be pivoted out of its original position by the drive element of the one contactor, and the other locking catch can be pivoted out of its original position by the drive element of the other contactor, in such a manner that the first of the two locking catches to become soiled blocks the other locking catch until the first locking catch has returned to its original position.
SUMMARY OF THE INVENTION
An object of the present invention is therefore to provide a switchgear unit which is of simple design and accordingly allows simple assembly and disassembly. A further aim of the present invention is to avoid any risk of soiling, for example through openings on the front of the switching devices. It is intended that the reversing combination should be fitted with as little change as possible to the device design.
The main object according to the invention is achieved by a switchgear unit as claimed in the features The present invention therefore provides a switchgear unit having a first and a second switching device and a reversing combination. The reversing combination in this case comprises a support and an anchor which is mounted in this support such that it can pivot. A first connecting side wall of the first switching device is connected to a second connecting side wall of the second switching device. The connecting side walls have opposite first slots, into which the support is inserted
REFERENCES:
patent: 3815063 (1974-06-01), Grunert et al.
patent: 3824510 (1974-07-01), Kolb et al.
patent: 4356363 (1982-10-01), Harbauer et al.
patent: 4544814 (1985-10-01), Butterworth et al.
patent: 4883927 (1989-11-01), Apfelbacher et al.
Drexler Johann
Schmidt Manfred
Chervinsky Boris L.
Picard Leo P.
Siemens Aktiengesellschaft
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