http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109881693-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1d7c72039b136dfbf1c5b85291d487e1 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E02D19-10 |
| filingDate | 2019-03-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aa8f39036c7af5bfb7c66453299cd2f1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2079257c76595775e3ff4fd2bf36215e |
| publicationDate | 2019-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109881693-A |
| titleOfInvention | A kind of device and method for extracting dewatering well |
| abstract | The present invention relates to a kind of device for extracting dewatering well, including the first drilling rod, the second drilling rods, jack；First drilling rod is used to pierce the encapsulant layer around the well casing of dewatering well, and making encapsulant layer, the soil is porous；Second drilling rod extends downwardly into from well casing nozzle and drills precipitating tube bottom plate, and the well casings such as chimney filter is not allowed to fall off, and the second rod bit position is equipped with the umbrella bracket of foldable stretching, extension, and outer diameter is suitable with well casing diameter when the umbrella carrier stretch is opened；Second drilling rod upper end is fixedly connected with support plate；At least 2 frame jack stands be set to dewatering well earth's surface at around jack on the basis of, the mandril of lifting jack is corresponding with the support plate, well casing extraction after implementation mud jacking sealing of hole or it is corresponding with stratum backfill material, promote sustainable development.The present invention provides a kind of effective device and method for pulling out dewatering well；Operating process it is convenient it is simple, high-efficient, remove obstacles that easy, degree of being disturbed is small, it is easy to use. |
| priorityDate | 2019-03-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 15.