Electrical machine that is elastically secured to a frame construction
A machine assembly includes a load machine secured to a frame construction. An electrical machine is coupled to the load machine and drives the load machine. The electrical machine is secured to the frame construction via multiple intermediate elements. Frame-side main parts of the intermediate elements are secured to the frame construction and machine-side main parts of the intermediate elements are secured to the electric machine. Spring assemblies are respectively arranged between the machine-side main parts and the frame-side main parts for transferring a weight force of the electric machine from the machine-side main parts to the frame-side main parts.
1. A machine assembly, comprising:
a frame construction;
a load machine fastened to the frame construction;
an electric machine coupled to the load machine and driving the load machine;
a plurality of intermediate elements for fastening the electric machine to the frame construction, each of the intermediate elements including a frame-side main part fastened to the frame construction, a machine-side main part fastened to the electric machine, a spring assembly arranged between the machine-side main part and the frame-side main part for transferring a weight force of the electric machine from the machine-side main part to the frame-side main part, with the machine-side main part and the frame-side main part having interacting end stop elements for limiting a displacement of the machine-side main part relative to the frame-side main part in a horizontal plane and in a vertical direction, and an active actuation element for generating a force acting in the vertical direction between the machine-side main part and the frame-side main part;
sensor elements operably connected to the machine-side main parts of the intermediate elements in one-to-one correspondence and configured to detect a vertical movement of the machine-side main parts during operation of the electric machine; and
a regulation facility connected to the intermediate elements which feed the vertical movement of the machine-side main parts detected by the sensor elements to the regulation facility, said regulation facility configured to dynamically regulate the active actuation elements of the intermediate elements during operation of the electric machine so as to counteract the vertical movement of the machine-side main parts,
wherein the spring assemblies and the active actuation elements of the Intermediate elements are tuned to one another such that a spring damping characteristic of at least one of the intermediate elements differs from a spring damping characteristic of at least another one of the intermediate elements.
2. The machine assembly of claim 1 , wherein the active actuation element is arranged concentrically to the spring assembly.
3. The machine assembly of claim 1 , wherein the intermediate elements include resilient buffer elements with a damping effect, via which the machine-side main parts are held under pressure in the horizontal plane relative to the frame-side main parts.
4. The machine assembly of claim 3 , wherein the buffer elements of at least one of the intermediate elements are designed differently from the buffer elements of at least another one of the intermediate elements.
5. The machine assembly of claim 3 , wherein at least one of the intermediate elements is characterized by an absence of a buffer element.
6. The machine assembly of claim 1 , wherein at least one of the intermediate elements is designed in one of two ways, a first way in which the at least one of the intermediate elements includes non-resilient bridging elements, a second way in which the at least one of the intermediate elements includes buffer elements which do not hold the machine-side main part of the at least one of the intermediate elements under pressure in the horizontal plane relative to the frame-side main part of the at least one of the intermediate elements.
7. The machine assembly of claim 6 , wherein in the second way, the buffer elements are spaced apart from the machine-side main part of the at least one of the intermediate elements.
8. The machine assembly of claim 3 , wherein the buffer elements in the horizontal plane act on vertical supporting surfaces of the machine-side main part and are fastened to holding elements arranged on the frame-side main part, said holding elements being adjustable relative to the frame-side main part in a direction orthogonal to the vertical supporting surfaces and securable relative to the frame-side main part.
9. The machine assembly of claim 3 , wherein the buffer elements in the horizontal plane act on vertical supporting surfaces of the frame-side main part and are fastened to holding elements arranged on the machine-side main part, said holding elements being adjustable relative to the machine-side main part in a direction orthogonal to the vertical supporting surfaces and securable relative to the machine-side main part.
10. The machine assembly of claim 1 , wherein the spring assembly is fastened to at least one of the machine-side main part and the frame-side main part.
11. The machine assembly of claim 1 , wherein the machine-side main part is fastened to the electric machine in a detachable manner and/or the frame-side main part is fastened to the frame construction in a detachable manner.
12. The machine assembly of claim 1 , wherein the end stop elements have markings to enable a positioning of the machine-side main part relative to the frame-side main part in the horizontal plane to be quantitatively ascertained with a naked eye.