Device for detecting concrete strength without core pulling
The utility model relates to a device for detecting concrete strength without core pulling, in particular to the technical field of concrete strength detection devices, which comprises a rebound body and a support component, the rebound body is positioned in the support component, the support compon...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a device for detecting concrete strength without core pulling, in particular to the technical field of concrete strength detection devices, which comprises a rebound body and a support component, the rebound body is positioned in the support component, the support component comprises a lower circular ring and an upper circular ring, a connecting pipe is arranged between the upper circular ring and the lower circular ring, and the connecting pipe is connected with the rebound body. A first annular groove is formed in the upper portion of the lower circular ring, balls are arranged in the first annular groove, a second annular groove is formed in the side wall of the upper circular ring, balls are arranged in the second annular groove, an opening and closing rod is clamped in the first annular groove and the second annular groove and comprises a vertical rod and an inclined rod, the bottom of the vertical rod is slidably connected with the first annular groove, and the bottom of the |
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