CN108119081A - A kind of New Rock samples dedicated water drill bit - Google Patents

A kind of New Rock samples dedicated water drill bit Download PDF

Info

Publication number
CN108119081A
CN108119081A CN201810169422.XA CN201810169422A CN108119081A CN 108119081 A CN108119081 A CN 108119081A CN 201810169422 A CN201810169422 A CN 201810169422A CN 108119081 A CN108119081 A CN 108119081A
Authority
CN
China
Prior art keywords
drill body
drill bit
connecting rod
drag
drill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810169422.XA
Other languages
Chinese (zh)
Inventor
吕大炜
张之辉
李增学
王东东
李丹丹
刘海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University of Science and Technology
Original Assignee
Shandong University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN201810169422.XA priority Critical patent/CN108119081A/en
Publication of CN108119081A publication Critical patent/CN108119081A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • E21B25/10Formed core retaining or severing means
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • E21B25/16Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors for obtaining oriented cores
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit

Abstract

The invention discloses a kind of New Rocks to sample dedicated water drill bit, it, which is included, drills through three system, release system and cutting system parts, and the system that drills through is made of drill body, brill pawl and connecting rod;The release system is formed by pushing circle, push strut and push plate;The cutting system is made of lateral incision cutter head, tension spring, drag-line, axis pin, supporting rod, connecting rod and magnet piece;The drill bit can be separated sample and lower body by lateral incision cutter head, and sampling mode is more convenient, flexibly;The setting of release system facilitates the taking-up of drill bit internal sample, and destruction caused by effectively preventing impact drill bit sampling ensure that the integrality of sample;Compact-sized, practicability is extremely strong, is worth a wide range of and promotes.

Description

A kind of New Rock samples dedicated water drill bit
Technical field
The present invention relates to a kind of water drilling drill bits, are specially a kind of New Rock sampling dedicated water drill bit, with belonging to coalfield Matter explores special equipment technical field.
Background technology
Coal petrography column take be coal exploration important content because can be determined by Study on Coal rock pillar feature Coal-forming geological environment, seam contrast and its relevant research work.Deep drilling coal petrography column technology is more mature at present, Coal exploration coal petrography column takes coal core work to be concentrated mainly on deep drill cores coring, and earth's surface open coal mine coal petrography column takes The heart is always then difficult point, and reason has the following:First, carry out rotary drilling if combined using traditional water drilling drill bit integral type It visits, the coal petrography column drilled through is suggested together with water drilling wall, takes coal petrography column difficult, can only be by beaing or pressing method taking-up coal Rock pillar causes coal petrography column to be easily broken, sample is taken to be greatly affected;Second, if using traditional mechanical drilling, Then drilling technique is of high cost, and the cycle is long, and takes coal petrography column underaction convenient, for this purpose, this proposes a kind of new drill bit, It can be faster to coal petrography column progress coring in open coal mine or underground.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of New Rock samples special water drilling Drill bit, simple and quick coring during in order to ground observation.
In order to solve the problems existing in background technology, technical scheme is as follows:A kind of New Rock sampling is special With water drilling drill bit, it, which is included, drills through system, release system and cutting system, and described drills through system by drill body, brill pawl and connection Bar forms;The release system is formed by pushing circle, push strut and push plate;The cutting system is by lateral incision cutter head, drawing Spring, drag-line, axis pin, supporting rod, connecting rod and magnet piece composition.
The drill body is the hollow columnar structures of top closure, and connecting rod, drill body bottom are equipped at drill body top center Equipped with equally distributed brill pawl, water channel is at the top of connecting rod and drill body;The drill body lower inside is equipped with groove, described Drill body interior is equipped with cableway, and at the top of drill body, cableway bottom is connected with groove on cableway top.
The push plate top is equipped with two symmetrical push strut, and push plate is located at the inside of drill body, and push strut runs through At the top of drill body, with pushing circle connection at the top of push strut, push circle and be nested in 13 periphery of connecting rod.
The lateral incision cutter head is located inside grooves, and lateral incision cutter head is hinged by axis pin and drill body, in lateral incision cutter head left side Portion is affixed with drill body by tension spring, and lateral incision cutter head right side central and drag-line are affixed, and drag-line is connected after passing through cableway with connecting rod right end, Supporting rod is equipped on the left of drill body upper surface, it is hinged between supporting rod and connecting rod, magnet piece is equipped on the left of supporting rod.
A kind of optimal technical scheme of drill bit as the present invention, the drill body outer surface are equipped with equally distributed spiral Groove effectively solves the problems, such as that chip removal existing for existing water drilling drill bit is difficult, improves rate of penetration.
A kind of optimal technical scheme of drill bit as the present invention, the magnet piece use the neodymium-iron-boron of disc-shaped Iron, magnetic force is stronger, and absorption can be consolidated when being pushed in order to connecting rod left end, so as to drive the stretching pair of lateral incision cutter head by drag-line Rock sample inside drill body 11 carries out radial cuts.
It is fixed between the magnet piece and drill body by adhesive, installation is simple, and manufacturing technique requirent is low, operation side Just.
A kind of optimal technical scheme of drill bit as the present invention, drill body top use machine with push strut junction Tool seals, and both can guarantee that push strut was smoothly passed in and out inside drill body, while ensures the seal inside drill body, effectively prevents water drilling It flows out and loses cooling effect in the gap that water can be between drill body and push strut during use.
A kind of optimal technical scheme of drill bit as the present invention, the drag-line use steel wire rope, and drag-line diameter ratio Cableway internal diameter is equal or smaller, coated with high vacuum seal fat between drag-line and cableway during installation, when effectively preventing that water drilling from using Water can flow out in gap between drag-line and cableway.
A kind of optimal technical scheme of drill bit as the present invention, the internal diameter of the push plate are smaller 2- than drill body internal diameter 10mm, it is ensured that gap is left between push plate and drill body inner wall, water can be smoothly downward along drill body inner wall when water filling drills through sample Flowing.
It is located at the side inside drill body as a kind of optimal technical scheme of drill bit of the invention, in the push strut to set There is limited block, limited block is 1-5mm apart from push plate upper surface distance, is effectively prevented when push plate rises to top to water channel Stop.
A kind of optimal technical scheme of drill bit as the present invention, the tension spring use stainless steel spring, and intensity is high, resistance to Burn into service life is longer.
Compared with prior art, the present invention has the beneficial effect that:The drill bit is equipped with cutting system, can be incited somebody to action by lateral incision cutter head Sample is separated with lower body, and sampling mode is more convenient, flexibly;The setting of release system facilitates drill bit internal sample Taking-up, effectively prevent impact drill bit sampling caused by destruction, ensure that the integrality of sample;It is compact-sized, practicability pole By force, it is worth a wide range of to promote.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the full sectional view of the present invention.
Fig. 3 is the partial enlarged view at I in Fig. 2.
Fig. 4 is the partial enlarged view at II in Fig. 2.
Fig. 5 is the sectional view along A-A of Fig. 2.
Fig. 6 is the B-B direction sectional view of Fig. 2.
Fig. 7 is the partial enlarged view at III in Fig. 6.
Fig. 8 is the bottom view of invention.
Reference sign:
1. drill through system, 2. release systems, 3. cutting systems;11. pawl, 13. connecting rods, 14. water channels are bored in drill body, 12.;21. it pushes away Trim ring, 22. push strut, 23. push plate, 24. limited blocks;31. lateral incision cutter head, 32. tension springs, 33. drag-lines, 34. axis pins, 35. Strut, 36. connecting rods, 37. magnet pieces;111. spiral groove, 112. cableways, 113. grooves.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without making creative work Example is applied, belongs to the scope of protection of the invention.
Referring to Fig. 1 to Fig. 8, present embodiment adopts the following technical scheme that:A kind of New Rock samples special water drilling Drill bit, comprising the system that drills through 1, release system 2 and cutting system 3, described drills through system 1 by drill body 11, brill pawl 12 and connection Bar 13 forms;The release system 2 is formed by pushing circle 21, push strut 22 and push plate 23;The cutting system 3 is by side Cutter is first 31, tension spring 32, drag-line 33, axis pin 34, supporting rod 35, connecting rod 36 and magnet piece 37 form.
The drill body 11 is the hollow columnar structures of top closure, is equipped with connecting rod 13 at 11 top center of drill body, bores 11 bottom of body is equipped with equally distributed brill pawl 12, and water channel 14 is through 11 top of connecting rod 13 and drill body;11 inside of drill body Lower part is equipped with groove 113, and 11 interior of drill body is equipped with cableway 112, and 112 top of cableway is through 11 top of drill body, rope 112 bottom of road is connected with groove 113.
23 top of push plate is equipped with two symmetrical push strut 22, and push plate 23 is located at the inside of drill body 11, pushes away Compression bar 22 is connected through 11 top of drill body, 22 top of push strut with pushing circle 21, is pushed circle 21 and is nested in 13 periphery of connecting rod, leads to It crosses push-and-pull push strut 22 and the lifting of push plate 23 can be realized, so as to greatly facilitate the sample inside drill body 11 after sampling It takes out, effectively prevents damaged caused by by impacting drill bit sampling.
The lateral incision cutter head 31 is located inside groove 113, and lateral incision cutter head 31 is hinged by axis pin 34 and drill body 11, lateral incision 31 left side central portion of cutter head is affixed by tension spring 32 and drill body 11, and 31 right side central of lateral incision cutter head and drag-line 33 are affixed, and drag-line 33 is worn It is connected after crossing cableway 112 with 36 right end of connecting rod, supporting rod 35 is equipped on the left of 11 upper surface of drill body, between supporting rod 35 and connecting rod 36 Hinged, 35 left side of supporting rod is equipped with magnet piece 37, and pressing down on 36 left end of connecting rod can adsorb with magnet piece 37, in supporting rod 35 Effect lower link 36 right end, which rises, drives drag-line 33 to rise, drag-line 33 rise so that lateral incision cutter head 31 around axis pin 34 be rotated up from And stretch out 11 inner wall of drill body and inner sample radially cut, between sample cut-out facilitated into taking-ups, however tradition samples The sample inside drill body 11 is still connected with lower body, it is necessary to which firmly rocking drill bit so that sample fracture could be by sample in the process Product take out, and taking out sample may crush or confusion, which then avoids this problem.
Further, 11 outer surface of drill body is equipped with equally distributed spiral groove 111, effectively solves existing Water drilling drill bit existing for chip removal it is difficult the problem of, improve rate of penetration.
Further, the magnet piece 37 is using the ndfeb magnet of disc-shaped, and magnetic force is stronger, in order to connecting rod 36 Left end can consolidate absorption when pushing, and the rock sample inside drill body 11 is carried out so as to by drag-line 33 lateral incision cutter head 31 be driven to stretch out Radial cuts.
Further, fixed between the magnet piece 37 and drill body 11 by adhesive, installation is simple, production technology It is required that it is low, it is easy to operate.
Further, 11 top of drill body both can guarantee push strut with 22 junction of push strut using mechanical seal 22 smoothly pass in and out inside drill body 11, while ensure the seal inside drill body 11, effectively prevent that water can be from brill when water drilling from using It flows out and loses cooling effect in gap between body 11 and push strut 22.
Further, the drag-line 33 uses steel wire rope, and 33 diameter of drag-line is more equal or smaller than 112 internal diameter of cableway, Coated with high vacuum seal fat between drag-line 33 and cableway 112 during installation, effectively prevent when water drilling from using water can from drag-line 33 with Gap is flowed out between cableway 112.
Further, the internal diameter of the push plate 23 is smaller 2-10mm than 11 internal diameter of drill body, it is ensured that push plate 23 and drill body Gap is left between 11 inner walls, water can smoothly flow downward along 11 inner wall of drill body when water filling drills through sample.
Further, the side inside drill body 11 is located in the push strut 22 equipped with limited block 24, limited block 24 away from It is 1-5mm with a distance from 23 upper surface of push plate, effectively prevents the stop to water channel 14 when push plate 23 rises to top.
Further, the tension spring 32 uses stainless steel spring, and intensity is high, corrosion-resistant, service life is longer.
The operation principle of the New Rock sampling dedicated water drill bit of the present invention is as follows:During sampling, first by connecting rod 13 It is connected with portable drill, drills through sample using the brill pawl 12 of 11 bottom of drill body, start drilling machine, be also turned on cooling water;Drill body 11 uniformly creep into stratum, when getting into suitable depth, close drilling machine and cooling water;To 36 left end of lower link, lateral incision cutter head 31 is stretched Go out, open drilling machine and work on a little while, so as to which sample be blocked;After closing drilling machine, taking-up drill bit, 36 left end side of connecting rod is lifted In the groove 113 of the first 31 retraction drill body 11 of cutter, promote and push circle 21, sample is released drill body 11 by push plate 23, completes sampling Work.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (9)

1. a kind of New Rock samples dedicated water drill bit, it is characterised in that:Include the system that drills through, release system and cutting system Three parts, the system that drills through are made of drill body, brill pawl and connecting rod;The release system is by pushing circle, push strut It is formed with push plate;The cutting system is by lateral incision cutter head, tension spring, drag-line, axis pin, supporting rod, connecting rod and magnet piece group Into;
The drill body is the hollow columnar structures of top closure, is equipped with connecting rod at drill body top center, drill body bottom is equipped with Equally distributed brill pawl, water channel is at the top of connecting rod and drill body;The drill body lower inside is equipped with groove, the drill body Interior is equipped with cableway, and at the top of drill body, cableway bottom is connected with groove on cableway top;
The push plate top is equipped with two symmetrical push strut, and push plate is located at the inside of drill body, and push strut runs through drill body Top, push strut top are nested in 13 periphery of connecting rod with pushing circle connection, pushing circle;
The lateral incision cutter head is located inside grooves, and lateral incision cutter head is hinged by axis pin and drill body, and lateral incision cutter head left side central portion is led to It is affixed with drill body to cross tension spring, lateral incision cutter head right side central and drag-line are affixed, and drag-line is connected after passing through cableway with connecting rod right end, drill body Supporting rod is equipped on the left of upper surface, it is hinged between supporting rod and connecting rod, magnet piece is equipped on the left of supporting rod.
2. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The drill body appearance Face is equipped with equally distributed spiral groove.
3. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The magnet piece Using the ndfeb magnet of disc-shaped.
4. a kind of New Rock sampling dedicated water drill bit according to claim 1 or claim 3, it is characterised in that: It is fixed between the magnet piece and drill body by adhesive.
5. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The drill body top Portion uses mechanical seal with push strut junction.
6. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The drag-line is adopted With steel wire rope, and drag-line diameter is more equal than cableway internal diameter or smaller, is coated with high vacuum seal between drag-line and cableway during installation Fat.
7. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The push plate Internal diameter it is smaller 2-10mm than drill body internal diameter.
8. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The push strut The upper side inside drill body is equipped with limited block, and limited block is 1-5mm apart from push plate upper surface distance.
9. a kind of New Rock sampling dedicated water drill bit according to claim 1, it is characterised in that:The tension spring is adopted Use stainless steel spring.
CN201810169422.XA 2018-02-28 2018-02-28 A kind of New Rock samples dedicated water drill bit Pending CN108119081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810169422.XA CN108119081A (en) 2018-02-28 2018-02-28 A kind of New Rock samples dedicated water drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810169422.XA CN108119081A (en) 2018-02-28 2018-02-28 A kind of New Rock samples dedicated water drill bit

Publications (1)

Publication Number Publication Date
CN108119081A true CN108119081A (en) 2018-06-05

Family

ID=62234587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810169422.XA Pending CN108119081A (en) 2018-02-28 2018-02-28 A kind of New Rock samples dedicated water drill bit

Country Status (1)

Country Link
CN (1) CN108119081A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760385A (en) * 2018-06-22 2018-11-06 苏州浔宇新材料科技有限公司 A kind of portable type agricultural soil harvester
CN110887689A (en) * 2019-12-02 2020-03-17 泰州诺盟新材料科技有限公司 Mineral product sample probing sampling device
CN112557092A (en) * 2020-12-29 2021-03-26 中国原子能科学研究院 Sampling device
CN112627754A (en) * 2021-01-06 2021-04-09 北京大地高科地质勘查有限公司 A geological survey probing sampling device for wisdom mine
CN113459114A (en) * 2021-05-14 2021-10-01 安徽优特公路养护科技有限公司 Core robot is got in road surface drilling
CN114910293A (en) * 2022-05-20 2022-08-16 成都理工大学 A portable rock and ore deposit appraisal device for research
CN115575165A (en) * 2022-09-27 2023-01-06 陕西地矿第六地质队有限公司 Geological prospecting rock core sampling device
CN116255090A (en) * 2023-05-15 2023-06-13 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Rock sampling equipment
CN117108228A (en) * 2023-10-24 2023-11-24 山西地丘环境科技有限公司 Geological investigation coring device and coring method
CN117268842A (en) * 2023-11-23 2023-12-22 华侨大学 Sampling device for geotechnical engineering investigation and application method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202406602U (en) * 2012-01-06 2012-09-05 山东潍坊东盛园艺有限公司 High-position branch cutting and pruning device
CN102797427A (en) * 2012-08-27 2012-11-28 中国地质科学院勘探技术研究所 Rock core ejection method
CN205414558U (en) * 2015-11-29 2016-08-03 重庆天运汽车配件有限公司 Sheet metal cutting device
CN105952406A (en) * 2016-05-12 2016-09-21 李聚宝 Rock bottom cutting coring bit
CN205605151U (en) * 2016-05-12 2016-09-28 李聚宝 Rock bottom cutting coring bit
CN206071443U (en) * 2016-08-30 2017-04-05 河南黄泛区地神种业有限公司 One kind can release piston type earth boring auger
CN206477794U (en) * 2016-11-07 2017-09-08 河南省水利勘测有限公司 A kind of boring drill bit of fault belt Rock And Soil
CN206659874U (en) * 2017-01-03 2017-11-24 刘丙秀 A kind of surgery flushing operating scissors

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202406602U (en) * 2012-01-06 2012-09-05 山东潍坊东盛园艺有限公司 High-position branch cutting and pruning device
CN102797427A (en) * 2012-08-27 2012-11-28 中国地质科学院勘探技术研究所 Rock core ejection method
CN205414558U (en) * 2015-11-29 2016-08-03 重庆天运汽车配件有限公司 Sheet metal cutting device
CN105952406A (en) * 2016-05-12 2016-09-21 李聚宝 Rock bottom cutting coring bit
CN205605151U (en) * 2016-05-12 2016-09-28 李聚宝 Rock bottom cutting coring bit
CN206071443U (en) * 2016-08-30 2017-04-05 河南黄泛区地神种业有限公司 One kind can release piston type earth boring auger
CN206477794U (en) * 2016-11-07 2017-09-08 河南省水利勘测有限公司 A kind of boring drill bit of fault belt Rock And Soil
CN206659874U (en) * 2017-01-03 2017-11-24 刘丙秀 A kind of surgery flushing operating scissors

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760385A (en) * 2018-06-22 2018-11-06 苏州浔宇新材料科技有限公司 A kind of portable type agricultural soil harvester
CN110887689A (en) * 2019-12-02 2020-03-17 泰州诺盟新材料科技有限公司 Mineral product sample probing sampling device
CN112557092B (en) * 2020-12-29 2022-08-09 中国原子能科学研究院 Sampling device
CN112557092A (en) * 2020-12-29 2021-03-26 中国原子能科学研究院 Sampling device
CN112627754B (en) * 2021-01-06 2023-03-03 北京大地高科地质勘查有限公司 A geological survey probing sampling device for wisdom mine
CN112627754A (en) * 2021-01-06 2021-04-09 北京大地高科地质勘查有限公司 A geological survey probing sampling device for wisdom mine
CN113459114A (en) * 2021-05-14 2021-10-01 安徽优特公路养护科技有限公司 Core robot is got in road surface drilling
CN113459114B (en) * 2021-05-14 2022-09-30 安徽凯风工程科技有限公司 Core robot is got in road surface drilling
CN114910293A (en) * 2022-05-20 2022-08-16 成都理工大学 A portable rock and ore deposit appraisal device for research
CN114910293B (en) * 2022-05-20 2023-04-25 成都理工大学 Portable rock and mineral identification device for research
CN115575165A (en) * 2022-09-27 2023-01-06 陕西地矿第六地质队有限公司 Geological prospecting rock core sampling device
CN116255090A (en) * 2023-05-15 2023-06-13 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Rock sampling equipment
CN117108228A (en) * 2023-10-24 2023-11-24 山西地丘环境科技有限公司 Geological investigation coring device and coring method
CN117108228B (en) * 2023-10-24 2023-12-26 山西地丘环境科技有限公司 Geological investigation coring device and coring method
CN117268842A (en) * 2023-11-23 2023-12-22 华侨大学 Sampling device for geotechnical engineering investigation and application method thereof

Similar Documents

Publication Publication Date Title
CN108119081A (en) A kind of New Rock samples dedicated water drill bit
CN103883293B (en) Hydraulic jet radial drilling and fracturing integrating method
CN202131973U (en) Full-hydraulic gallery drilling machine for drilling holes along soft coal layer of coal mine
CN104929517B (en) Full-hydraulic drill type pressure relieving equipment with double drill bits and pressure relieving method
CN102619552A (en) Directional hydraulic pressing penetration, permeability increase and outburst elimination method of guide groove
CN103541737B (en) Development machine
CN105909225A (en) Fully mechanized caving face inter-frame oriented hydraulic fracturing top-coal weakening method
CN104632112A (en) Through-type downhole hammer reverse circulation drilling structure
CN104080999A (en) Method of fracturing while drilling
CN206693919U (en) Drill hole of drilling machine reaming bit
CN202611709U (en) Assembled six-cutterhead of rectangular earth pressure balanced roadheader
CN105735900B (en) A kind of anchor hole reaming, which is returned, expands head
CN110905589A (en) Gas extraction drilling and punching coordination operation system and method
CN202832187U (en) Hydraulic breaker type rotary drilling rig
CN201258693Y (en) Diamond compact deflecting bit
CN204225772U (en) A kind of preventing sticking drill bit
CN203296696U (en) Drilling coring tool for ooze stratum
CN203822169U (en) Drilling type anchor rod
CN104975859B (en) Collapse Accidents rescue skills and the horizontal excavator of dual pipe for relief
CN203296701U (en) Novel inward-concave drill bit
CN203050623U (en) Pressure balance check valve for coiled tubing separate-layer fracturing
CN202187735U (en) Bored pile tubular drill for fishing residue
CN202596755U (en) Mining roadway coal road side portion anchor rod taking device
CN205477371U (en) Drilling enlarger
CN108756744A (en) Underbalance air reverse circulation drilling equipment in a kind of shield type casing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination