http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-212130494-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_32b136e006726cfe5778d5e0c05ba241 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21D9-10 |
| filingDate | 2020-03-16^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-12-11^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_39fe84be19594b4c48650bec4eac761a |
| publicationDate | 2020-12-11^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-212130494-U |
| titleOfInvention | Tunneling device with guiding protection function |
| abstract | The utility model discloses a tunneling device with guiding protection in the technical field of coal mine tunneling, which comprises a main driving shaft, wherein one end of the main driving shaft is fixedly provided with a drill shaft, the outer wall of the drill shaft is fixedly provided with a thread blade, the front end of the main driving shaft is fixedly provided with a drill bit, the outer wall of the main driving shaft is fixedly provided with a master gear, the outer part of the main driving shaft is sleeved with an outer fixed gear ring, the inner wall of the outer fixed gear ring is uniformly provided with inner teeth, the outer part of the main driving shaft is provided with three groups of movable gear shafts, the outer wall of each movable gear shaft is respectively meshed with the master gear and the inner teeth, one end of each movable gear shaft is fixedly provided with a connecting shaft, the other end of each connecting shaft is fixedly provided with a planetary drill bit, the outer part of the drill shaft is sleeved with a connecting plate, the outer wall of the connecting plate is respectively provided with a plurality of, the tunneling is carried out by taking the path of the drill shaft as a guide, and the position is not easy to deviate in the tunneling process. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-116084830-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115405226-A |
| priorityDate | 2020-03-16^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419559581 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID297 |
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