Arch frame hole cutting mold
The invention discloses an arch frame hole cutting mold which comprises an arch frame. A mounting support is arranged on the side of the arch frame. A connecting rod is arranged on the side of the mounting support. Connecting sleeves are fixedly mounted at the two ends of the side wall of the connec...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an arch frame hole cutting mold which comprises an arch frame. A mounting support is arranged on the side of the arch frame. A connecting rod is arranged on the side of the mounting support. Connecting sleeves are fixedly mounted at the two ends of the side wall of the connecting rod. Lengthened rods are arranged on the two sides of the connecting rod, a threaded sleeve pipe is in threaded connection to one end of each lengthened rod, the threaded sleeve pipes are in threaded connection with threaded portions, a prismoid is arranged at the other end of each lengthened rod, and a round steel plate is arranged on the side of each prismoid. The connecting sleeves and the connecting rod are fixed to the side end of the mounting support by tightening fastening bolts, theup-and-down position of the connecting rod is adjusted, then through thread feed of the lengthened rods and the threaded sleeve pipes, prism grooves cooperate with the prismoids in a limiting manner,the distance between the |
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