Well lid structure
The utility model discloses a well lid structure, include: well lid and walling crib, the walling crib is the rectangular frame structure of transversal personally submitting down " T " shape, and the upper portion of walling crib is vertical ring, and vertical ring corresponds to be insta...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a well lid structure, include: well lid and walling crib, the walling crib is the rectangular frame structure of transversal personally submitting down " T " shape, and the upper portion of walling crib is vertical ring, and vertical ring corresponds to be installed directly over jiao jing's well head, the lower part of walling crib is horizontal ring, and the inner ring size of horizontal ring can not be greater than jiao jing's well head inner circle, the well lid asks the dress on the supporting bench that the inner ring formed, the outer loop size of horizontal ring is greater than jiao jing's well head outer lane, and the outer loop stretches into inside the road surface for the pressure energy that most well lid bore is transferred to on the road surface. The utility model discloses an externally under the effect of pressure, the well lid keeps flushing with the road surface well lid structure all the time, reduces the pressure to jiao jing, and the walling crib can conduct m |
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