http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-214145352-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1931edae9fe0e1d69415aa925f8c5d26 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B4-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B4-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B17-22 |
| filingDate | 2020-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_38b6b520bb1829359687819b4dc37241 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8ff3467112d0eddc3bc988ae59e408c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_961872d68e7f4fafaa034733f7c6dcc0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3fc43d2866171e7e6118707e1b935592 |
| publicationDate | 2021-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-214145352-U |
| titleOfInvention | Down-the-hole hammer device for hard rock stratum drilling |
| abstract | The utility model discloses a down-the-hole hammer device for hard rock stratum is bored, its technical scheme is: including the pneumatic cylinder, pneumatic cylinder bottom fixed connection casing, the inside motor that is equipped with of casing is one, a motor tip extends chassis bottom, the large-scale screw thread transfer rod of a motor tip fixed connection, chassis bottom passes through bearing swing joint with large-scale screw thread transfer rod, casing both sides fixed connection limiting plate one, two a limiting plate bottom is fixed connection limiting plate two and limiting plate three respectively, and a down-the-hole hammer device beneficial effect that is used for hard rock stratum to creep into is: the utility model discloses a two rotations of motor drive hole hammers and last up-and-down motion to carry out the breakage to the stratum, thereby make the stratum can be broken effectively, for the air compressor machine drives hole hammer up-and-down motion, practiced thrift the cost better, drive large-scale screw thread transfer pole through the motor again and rotate, make the broken stone quilt around the hole hammer shifted. |
| priorityDate | 2020-09-23-04:00^^<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/SID415789328 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID90787 |
Total number of triples: 18.