Processing device and method for boring together of outer gate barrel units inside and outside collar
A processing device and processing method technology, applied in metal processing equipment, manufacturing tools, boring/drilling and other directions, to achieve the effect of satisfying indexing error, convenient operation and flexible rotation
Inactive Publication Date: 2007-05-23
SICHUAN DONGFENG ELECTRIC MACHINARY WORKS CO LTD
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Problems solved by technology
There are 16 groups of oblique holes on the inner and outer rings. The technology requires that these 16 groups of holes be bored together to ensure the coaxiality of the holes. However, with the continuous increase of the unit capacity, the inner and outer rings become larger and the distance between the inner and outer rings becomes larger It is getting longer and longer. For example, the maximum diameter of some outer rings can reach 7 meters, and the distance between the inner and outer rings is nearly 2 meters. It is impossible to process such a large size on a boring machine by conventional methods. Without CNC equipment Under such circumstances, the same boring processing method and processing device for the inner and outer rings of the tubular unit have become problems to be solved
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[0016] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings. As shown in Figure 1, a borer processing device for the inner and outer rings of a tubular unit includes a slant tire 1, a hydraulic slide table 2, a boring head 3, an outer support 4, an inner support 5, a hydraulic cylinder 6, a column 7, a base 8, a thrust Bearing 9, centripetal bearing 10, connecting mold 11 and outer ring top plate 12, hydraulic sliding table 2 is placed on the top of inclined tire 1, and boring head 3 is fixed on hydraulic sliding table 2, the outer support is used to support the outer ring, and the inner support It is used to support the inner ring. The column 7 is installed on the base 8. There is a hydraulic cylinder 6 under the column 7. The upper and lower ends of the mold 11 are respectively connected to the column 7 with the radial bearing 10 and the thrust bearing 9. The top plate of the outer ring 12 is fixed on t...
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The invention discloses a through-flow in-out ring of units con-boring manufacture device for and the technique, which is mainly used for the con-boring manufacture of the inner and outer ring holes of large scale, and comprises inclined tyre 1, hydraulic platform 2, boring headstock 3, out-support 4, in-support 5, hydraulic cylinder 6, column 7, machine base 8, thrust bearing 9, inward bearing 10, connector 11 and outer-race roof 12. The inner and outer rings are connected by the connector by the real installation dimension, the hydraulic platform and boring headstock are equipped with the inclined tyre which has the same angle with the inclined holes of the in and out rings, the hydraulic cylinder jacks up the inner and outer rings and the connector after the first hole and end-face manufactured, with the thrust bearing to support to rotate, the bolt to index, then the hydraulic cylinder releases, the inner and outer rings and the connector return to the out-support and in-support, the process continues until all hole and end-faces of the inner and outer ring are finished. The operation is simple and the rotation is flexible, and the axiality inaccuracy of the inner and outer rings and the graduation inaccuracy satisfy the requirements of the design and the process.
Description
technical field [0001] The invention relates to a simultaneous boring processing device and method for inner and outer rings of a tubular unit. technical background [0002] The processing and manufacturing of the tubular unit is the most difficult of all hydroelectric generating units, and the processing of the inner and outer rings is one of them. There are 16 groups of oblique holes on the inner and outer rings. The technology requires that these 16 groups of holes be bored together to ensure the coaxiality of the holes. However, with the continuous increase of the unit capacity, the inner and outer rings become larger and the distance between the inner and outer rings becomes larger It is getting longer and longer. For example, the maximum diameter of some outer rings can reach 7 meters, and the distance between the inner and outer rings is nearly 2 meters. It is impossible to process such a large size on a boring machine by conventional methods. Without CNC equipment U...
Claims
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IPC IPC(8): B23B41/00
Inventor 范润远李明
Owner SICHUAN DONGFENG ELECTRIC MACHINARY WORKS CO LTD