A working device for ground compaction comprises an upper mass, a guide device coupled to the upper mass and intended to guide the working device, a lower mass which can move relative to the upper mass, which is movably coupled to the upper mass via a spring device, and which has a ground contact pl
A working device for ground compaction comprises an upper mass, a guide device coupled to the upper mass and intended to guide the working device, a lower mass which can move relative to the upper mass, which is movably coupled to the upper mass via a spring device, and which has a ground contact plate, and a vibration-generating device for producing a relative movement between the upper mass and the lower mass. Furthermore, a drive for driving the vibrating-generating device is provided, wherein the drive comprises an electric motor. The electric motor is supplied with electrical energy via an electrical energy store arranged on the guide device.
대표청구항▼
1. An implement for compacting the ground comprising: an upper mass;a guide apparatus, coupled to the upper mass, for guiding the implement;a lower mass which can move relative to the upper mass, which is coupled to the upper mass via a spring device so as to be able to move, and which has a ground
1. An implement for compacting the ground comprising: an upper mass;a guide apparatus, coupled to the upper mass, for guiding the implement;a lower mass which can move relative to the upper mass, which is coupled to the upper mass via a spring device so as to be able to move, and which has a ground contact plate;an oscillation excitation apparatus for producing relative motion between the upper mass and the lower mass, wherein the guide apparatus can move relative to the upper mass, and an oscillation decoupling device is arranged between the upper mass and the guide apparatus; anda drive for driving the oscillation excitation apparatus; whereinthe drive has an electric motor; andthe electric motor can be supplied with electric power by an electrical energy store arranged on the guide apparatus. 2. The implement as claimed in claim 1, wherein the guide apparatus has a hollow body in which the energy store can be arranged. 3. The implement as claimed in claim 1, wherein the guide apparatus has a cooling device for cooling the energy store. 4. The implement as claimed in claim 1, wherein the guide apparatus has, in an area surrounding the energy store, a pressure equalization element for channeling off a pressure after a pressure rise, caused by the energy store, in the guide apparatus. 5. The implement as claimed in claim 1, wherein the guide apparatus has a holder for reversibly inserting the energy store. 6. The implement as claimed in claim 1, wherein the guide apparatus and the energy store have a further oscillation decoupling device arranged between them. 7. The implement as claimed in claim 1, wherein the drive has an internal combustion engine in addition to the electric motor, and whereinthe oscillation excitation apparatus can be operated either by the internal combustion engine or by the electric motor. 8. The implement as claimed in claim 1, wherein the energy store can be charged via a generator which can be operated by an internal combustion engine. 9. The implement as claimed in claim 1, wherein an electronic control apparatus, coupled to at least one of the energy store, the drive and the oscillation excitation apparatus, is arranged on the guide apparatus. 10. The implement as claimed in claim 1, wherein the implement is a vibration plate or a tamper for compacting the ground. 11. An apparatus for soil compaction, comprising: an upper mass;a guide device, coupled to the upper mass, for guiding the implement;a lower mass which can move relative to the upper mass, which is coupled to the upper mass via a spring device so as to be able to move, and which has a ground contact plate;an oscillation excitation apparatus for producing relative motion between the upper mass and the lower mass, wherein the guide apparatus can move relative to the upper mass, and an oscillation decoupling device is arranged between the upper mass and the guide apparatus; anda drive for driving the oscillation apparatus; wherein the drive has an electric motor, whereinthe electric motor can be supplied with electric power by a rechargeable storage unit, whereinthe guide device is vibration-damped, and whereinthe storage unit is mounted on the guide device. 12. An apparatus for soil compaction according to claim 11, wherein the guide device has a first end connected to the compaction device and a second end that hears a guide grip or handle. 13. The apparatus for soil compaction according to claim 12, wherein the guide device comprises a guide pole. 14. An apparatus for soil compaction according to claim 13, wherein the storage unit is, in vertical direction, arranged above the compaction device and beneath the second end of the guide pole. 15. An apparatus for soil compaction according to claim 11, wherein the storage unit is arranged in a section of the guide device which is located opposite to a handle section of the guide device. 16. The apparatus for compaction according to claim 11, wherein the storage unit is mounted directly on the guide device below a handle section of the guide device.
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