http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114017039-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a9b9701aa6442cee7ee9ef4cea190464 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21D9-006 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E02D3-115 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21D9-001 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E02D3-115 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21D9-00 |
| filingDate | 2021-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_38570309b5fb26ed2de2317b71d4c581 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d26405e050525f817c11a95398d17ffa http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4c009c51063ef375cc4ddb537b21882b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_499f4a68bba409a913c09e85197e2f02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c328c6800da99dd7a6812d643ed1523b |
| publicationDate | 2022-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114017039-A |
| titleOfInvention | Drill-and-blast driving device and drill-and-blast driving method for soft and water-rich strata |
| abstract | The present application discloses a drilling and blasting excavation device for soft and water-rich strata. The excavation device includes a base, a clamping hole is arranged on the base, and is characterized in that it includes an outer pipe and an inner pipe, and one nozzle of the outer pipe is in a closed state , the two nozzles of the inner tube are in an open state, the inner tube is fixed in the outer tube, there is a gap between the tube wall of the inner tube and the tube wall of the outer tube, and the outer wall of the inner tube is wavy Nodal shape, a support section is arranged between the outer tube and the inner tube, the central axis of the inner tube and the central axis of the outer tube coincide with each other, the outer tube is matched with the clamping hole of the base, the The inner pipe is connected with a truncated discharge pipe, the bottom of the outer pipe is provided with a pointed cone column, and the top of the pointed cone column is located at the mouth of the discharge pipe. The present application also discloses an excavation method using the above-mentioned excavation device. |
| priorityDate | 2021-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.