CN107701124B - Disposal mechanism for submarine drilling machine - Google Patents
Disposal mechanism for submarine drilling machine Download PDFInfo
- Publication number
- CN107701124B CN107701124B CN201711035773.3A CN201711035773A CN107701124B CN 107701124 B CN107701124 B CN 107701124B CN 201711035773 A CN201711035773 A CN 201711035773A CN 107701124 B CN107701124 B CN 107701124B
- Authority
- CN
- China
- Prior art keywords
- plug
- joint
- short
- sliding block
- circuit joint
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/06—Releasing-joints, e.g. safety joints
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being specially adapted for operation under water
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The utility model relates to a disposal mechanism for a submarine drilling machine, which is arranged on the submarine drilling machine with a power head output shaft and comprises a plug oil cylinder seat, a hydraulic oil cylinder and a guide rail which are connected to the plug oil cylinder seat, a plug sliding block, an upper short-circuit joint, a lower short-circuit joint and a push rod, wherein the plug sliding block, the upper short-circuit joint, the lower short-circuit joint and the push rod are accommodated in the plug oil cylinder seat. One end of the upper short joint is arranged on a power head output shaft of the submarine drilling machine, and the other end of the upper short joint is detachably sleeved with one end of the lower short joint; the other end of the lower short joint is connected with the push rod so as to realize the connection of the power head output shaft and the push rod; the pulling and inserting sliding block is arranged on the guide rail; the piston rod of the hydraulic oil cylinder is connected with the pulling and inserting sliding block, and the pulling and inserting sliding block can be pushed to slide on the guide rail, so that the pulling and inserting sliding block clamps the upper short-circuit joint and the lower short-circuit joint to fixedly connect the upper short-circuit joint and the lower short-circuit joint. The disposal mechanism for the submarine drilling machine has scientific design, simple structure, light weight and convenient and simple operation, can more effectively and reliably complete the actions of escaping from the submarine drilling machine, and is beneficial to the safe operation of the submarine drilling machine.
Description
Technical Field
The utility model relates to a discarding mechanism for a submarine drilling machine, which is a device for discarding a drill rod when a sampling drilling machine is equipped with an underwater deep sea remote control submersible (ROV) to replace the drill rod and clamp the drill rod, and belongs to the field of geological exploration.
Background
Research on deep sea miniature drilling machines in China has just started, and deep sea miniature core drilling machines capable of integrating drilling, coring and drill changing have not been successfully developed up to now. The national utility model patent application CN201610446948.9 discloses a deep sea small-sized multi-tube core drill, which comprises a power system, a drilling system and a water supply system, wherein the drilling system comprises a drill changing and discarding mechanism; in Chinese patent No. 203626676U, a deep sea small electric core drilling machine is disclosed, which includes drilling system and power system. In the two applications, the former uses an L-shaped adapter as a discarding and replacing mechanism, the requirement on a drilling machine hydraulic system and a drilling tool in actual operation is higher, and the latter is a small-sized drilling machine with single sampling, and the replacing and discarding mechanism of a drilling rod and a power system is not designed.
Therefore, it is necessary to provide a new disposal mechanism to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to solve the technical defects of the drilling machine of ROV matched equipment, improve the drilling efficiency of a core drilling machine and the success rate of drill changing, and provide a more efficient discarding mechanism.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a mechanism is abandoned to submarine drilling machine, installs on the submarine drilling machine that has the unit head output shaft, it includes plug hydro-cylinder seat, connect in hydraulic cylinder and guide rail on the plug hydro-cylinder seat, accept in plug slider, last short circuit joint and push rod down in the plug hydro-cylinder seat, its characterized in that: one end of the upper short joint is arranged on a power head output shaft of the submarine drilling machine, and the other end of the upper short joint is detachably sleeved with one end of the lower short joint; the other end of the lower short joint is connected with the push rod so as to realize the connection of the power head output shaft and the push rod; the pulling and inserting sliding block is arranged on the guide rail; the piston rod of the hydraulic oil cylinder is connected with the pulling and inserting sliding block, and the piston rod can push the pulling and inserting sliding block to slide on the guide rail, so that the pulling and inserting sliding block clamps the upper short-circuit joint and the lower short-circuit joint to fixedly connect the upper short-circuit joint and the lower short-circuit joint.
Further, the plug cylinder seat is of an inverted U-shaped structure.
Further, the pulling and inserting sliding block comprises a pulling and inserting part and a sliding block, and the pulling and inserting part is connected with the sliding block through a bolt; the sliding block comprises a sliding hole, and the sliding block is slidably mounted on the guide rail through the sliding hole.
Further, the plug-in part comprises a clamp space, and the clamp space of the plug-in part is matched with the external shapes and the sizes of the upper short-circuit joint and the lower short-circuit joint which are sleeved, so that the upper short-circuit joint and the lower short-circuit joint which are sleeved can be fixedly clamped in the clamp space of the plug-in part.
Further, holes are formed in the plug cylinder seat in the radial direction and the axial direction, and the holes in the axial direction comprise perforations for the output shaft of the power head to pass through; the radial holes comprise positioning holes and through holes, the plug-in part is connected with a piston rod of the hydraulic oil cylinder through a hinge, when the piston rod of the hydraulic oil cylinder stretches out, the plug-in sliding block is pushed to move, and the positioning holes can be used for inserting positioning columns of the plug-in part; the through hole can be used for the piston rod of the hydraulic oil cylinder to pass through.
Further, the number of the positioning holes of the plug cylinder base is the same as the number of the positioning columns of the plug part.
Further, the hydraulic cylinder is connected to the plug cylinder seat through a bolt.
Further, the upper short-circuit joint and the lower short-circuit joint are an upper hexagonal short-circuit joint and a lower hexagonal short-circuit joint.
Further, the lower short joint is detachably sleeved with the upper short joint through the matching of the inner and outer polygonal parts, so that the radial positioning and the torque providing effects are realized.
Further, the appearance designs of the upper short joint and the lower short joint are I-shaped cylindrical steps.
Compared with the prior art, the discarding mechanism has the beneficial effects that:
1. the discarding mechanism has the advantages of simple structure, small volume, light weight and simple operation;
2. the discarding mechanism can more effectively and reliably complete the actions of going to drill and escaping, and is beneficial to the escaping of the submarine drilling machine;
3. the discarding mechanism adopts a mode that the push rod is connected with the drill rod of the drilling machine, and can realize the function of connecting with drill rods with different outer diameter specifications by only adjusting the size of the drill rod in the push rod connector, thereby having strong universality.
Drawings
FIG. 1 is a general construction diagram of a disposal mechanism according to the present utility model;
FIG. 2 is a schematic view of a discarding mechanism according to the present utility model;
FIG. 3 is a schematic drawing of a pull-plug slider structure according to the present utility model;
FIG. 4 is a schematic diagram of the structure of the upper and lower hex shorting tabs of the present utility model;
fig. 5 is a schematic structural diagram of a plug cylinder base according to the present utility model.
In the above figures: 1. the power head comprises a power head output shaft, a plug oil cylinder seat, an upper short joint, a lower short joint, a push rod, a plug sliding block, a guide rail and a hydraulic oil cylinder.
Detailed Description
For further facilitating a better understanding of the nature of the present utility model by those of ordinary skill in the art, reference is made to the following detailed description of the utility model taken in conjunction with the accompanying drawings and examples:
as shown in fig. 1, the utility model provides a disposal mechanism for a submarine drilling machine, which is arranged on the submarine drilling machine with a power head output shaft 1 and comprises a plug cylinder seat 2, a hydraulic cylinder 8 and a guide rail 7 which are connected to the plug cylinder seat 2, a plug sliding block 6, an upper short-circuit joint 3, a lower short-circuit joint 4 and a push rod 5 which are contained in the plug cylinder seat 2, wherein the plug cylinder seat 2 and a motor are fixedly connected to a drilling machine frame of the submarine drilling machine. The pulling and inserting sliding block 6 is arranged on the guide rail 7, and the pulling and inserting sliding block 6 is connected with a piston rod of the hydraulic oil cylinder 8; one end of the upper short-circuit joint 3 is arranged on the power head output shaft 1, namely a hydraulic motor output shaft, and the other end of the upper short-circuit joint 3 is detachably sleeved with one end of the lower short-circuit joint 4; the other end of the lower short joint connector 4 is connected with the push rod 5 to realize connection of a power head output shaft and the push rod, and the push rod 5 is connected with a drill rod of a submarine drilling machine.
Referring to fig. 2 and 5, the plug cylinder seat 2 may be an inverted U-shaped structure, where a plurality of holes are provided in the axial direction and the radial direction of the inverted U-shaped structure, and the holes in the axial direction of the plug cylinder seat 2 include a through hole 2A on the base of the inverted U-shaped structure, so that the power head output shaft 1 can pass through the through hole; the radial holes of the plugging cylinder seat 2 comprise positioning holes 2B and through holes 2C which are respectively positioned on two side walls of the inverted U-shaped structure, wherein the positioning holes 2B can be used for inserting positioning columns of the plugging slide blocks 6 so as to realize axial positioning of the upper short-circuit joints 3 and the lower short-circuit joints 4, the through holes 2C can be used for a piston rod of the hydraulic cylinder 8 to pass through, and the piston rod can push the plugging slide blocks 6 to slide on the guide rails 7.
As shown in fig. 3, the pull-plug slider 6 includes a pull-plug portion 6A and a slider 6B, the pull-plug portion 6A includes a clamp space 6E, and the clamp space 6E of the pull-plug portion 6A is adapted to the external shapes and sizes of the upper and lower short-circuit connectors 3 and 4 that are sleeved, so that the upper and lower short-circuit connectors 3 and 4 that are sleeved can be clamped by a fixing clip in the clamp space 6E of the pull-plug portion 6A. The plug-in part 6A further comprises a plurality of positioning columns 6D, and the positioning columns 6D are mutually parallel in space position; the positioning column 6D of the plug-in portion 6A may include, but is not limited to, a cylinder and a prism, wherein the prism may include, but is not limited to, a triangular prism, a quadrangular prism, and a pentagonal prism … … polygonal prism; preferably, the positioning column 6D of the plugging portion 6A is a cylinder. The positioning column 6D of the plugging portion 6A may be inserted into the positioning hole 2B of the plugging cylinder seat 2, so as to realize the axial positioning of the upper and lower shorting joints 3, 4. The pulling and inserting part 6A and the sliding block 6B are fixedly connected together through bolts, the sliding block 6B comprises a sliding hole 6C, and the sliding block 6B can be penetrated by the guide rail 7, namely, the sliding block 6B is slidably arranged on the guide rail 7 through the sliding hole 6C. The number of the sliding holes 6C on the sliding block 6B is the same as the number of the guide rails 7; the number of slide holes 6C on the slider 6B may be plural; preferably, the number of slide holes 6C on the slider 6B is two.
The plug-in part 6A is connected with a piston rod of the hydraulic cylinder 8 through a hinge, when the piston rod of the hydraulic cylinder 8 stretches out, the piston rod pushes the sliding block 6B of the plug-in sliding block 6 to enable the plug-in sliding block 6 to slide on the guide rail 7, so that the positioning column 6D of the plug-in part 6A can be inserted into the positioning hole 2B formed in the radial direction of the plug-in cylinder seat 2, and the axial positioning of the upper short-circuit joint 3 and the lower short-circuit joint 4 is realized. The number of the positioning holes 2B of the plugging cylinder seat 2 is the same as the number of the positioning columns 6D of the plugging portion 6A, and the number of the positioning holes 2B of the plugging cylinder seat 2 may be plural; preferably, the number of the positioning holes 2B of the plugging cylinder base 2 is four (as shown in fig. 5).
As shown in fig. 4, the lower short-circuit joint 4 is detachably sleeved with the upper short-circuit joint 3 through the fit of inner and outer multiple angles, so that the radial positioning and torque providing effects are realized, when the piston rod of the hydraulic cylinder 8 stretches out, the sliding of the pull-plug slide block 6 is pushed, so that the clamp space 6E of the pull-plug part 6A clamps the sleeved upper short-circuit joint 3 and lower short-circuit joint 4, and further, the fixed connection of the upper short-circuit joint 3 and the lower short-circuit joint 4 is realized, and the power head output shaft 1 and the fixed push rod 5 and the drill rod are connected through the upper short-circuit joint 3, the pull-plug slide block 6 and the lower short-circuit joint 4, so that the transmission during drilling is realized. The upper and lower short-circuit joints 3 and 4 comprise, but are not limited to, upper and lower triangular short-circuit joints, upper and lower four-corner short-circuit joints, upper and lower pentagonal short-circuit joints, upper and lower hexagonal short-circuit joints, upper and lower octagonal short-circuit joints … …, upper and lower polygonal short-circuit joints; preferably, the upper and lower shorting joints 3, 4 are upper and lower hexagonal shorting joints. The shape design of the upper and lower short-circuit joints 3 and 4 can be I-shaped cylindrical steps.
Specifically, the hydraulic cylinder 8 is connected to the plug cylinder base 2 through a bolt; the guide rail 7 is fixedly connected with the plug cylinder seat 2, and the guide rail 7 plays a guiding role; the pulling and inserting slide block 6 slides on the guide rail 7, so that the pulling and inserting slide block 6 plays an axial limiting role.
The specific operation process is as follows: in the normal drilling process, the piston rod of the hydraulic cylinder 8 extends out, the piston rod pushes the sliding block 6B of the pull-plug sliding block 6, so that the pull-plug sliding block 6 slides on the guide rail 7, the positioning column 6D of the pull-plug part 6A is further inserted into the positioning hole 2B of the pull-plug cylinder seat 2, and the upper and lower short connection joints 3 and 4 are clamped in the clamping space 6E of the pull-plug part 6A, so that the sleeved upper and lower short connection joints 3 and 4 are fixedly connected through the pull-plug part 6A, and the upper and lower short connection joints 3 and 4 are axially positioned, so that normal drilling activities can be performed at the moment; if the drilling accident occurs in the drilling process, the whole drill rod structure can not be lifted up during drilling or lifting, the motor can be stopped at the moment, the running of the power head output shaft 1 and the hydraulic oil cylinder 8 for drilling is stopped, the piston rod of the hydraulic oil cylinder 8 is retracted, the piston rod drives the plugging sliding block 6, the plugging part 6A is pulled out of the positioning hole 2B of the plugging oil cylinder seat 2, the connection effect of the plugging part 6A on the upper and lower shorting joints 3 and 4 is released, the upper and lower shorting joints 3 and 4 which are sleeved at the moment are separated, the drill can be lifted up to separate the drill rod structure from the drill body, the structures such as the power output head 1, the upper shorting joint 3, the plugging oil cylinder seat 2, the hydraulic oil cylinder 8 and the guide rail 7 are lifted up along with the drill rod, but the lower shorting joint 4 and the push rod 5 which are connected are abandoned in situ, and the scheme plays a role in guaranteeing the escape and escape for the deep sea coring drill and the ROV body.
The disposal mechanism for the submarine drilling machine has scientific design, simple structure, light weight and convenient and simple operation, can more effectively and reliably complete the actions of escaping from the submarine drilling machine, and is beneficial to the safe operation of the submarine drilling machine.
In summary, the present utility model has been described in detail, but the scope of the present utility model should not be limited thereto. It is contemplated that any simple modification, variation or equivalent of the embodiments according to the utility model will fall within the scope of the claims.
Claims (5)
1. The utility model provides a mechanism is abandoned to submarine drilling machine, installs on the submarine drilling machine that has the unit head output shaft, it includes plug hydro-cylinder seat, connect in hydraulic cylinder and guide rail on the plug hydro-cylinder seat, accept in plug slider, last short circuit joint and push rod down in the plug hydro-cylinder seat, its characterized in that: one end of the upper short joint is arranged on a power head output shaft of the submarine drilling machine, and the other end of the upper short joint is detachably sleeved with one end of the lower short joint; the other end of the lower short joint is connected with the push rod so as to realize the connection of the power head output shaft and the push rod; the pulling and inserting sliding block is arranged on the guide rail; a piston rod of the hydraulic oil cylinder is connected with the pulling and inserting sliding block, and the piston rod can push the pulling and inserting sliding block to slide on the guide rail so that the pulling and inserting sliding block clamps the upper short-circuit joint and the lower short-circuit joint and fixedly connects the upper short-circuit joint and the lower short-circuit joint;
the pulling and inserting sliding block comprises a pulling and inserting part and a sliding block, and the pulling and inserting part is connected with the sliding block through a bolt; the sliding block comprises a sliding hole, and is slidably arranged on the guide rail through the sliding hole;
the pull-out and plug-in part comprises a clamp space, and the clamp space of the pull-out and plug-in part is matched with the external shape and the external size of the sleeved upper short-circuit joint and the sleeved short-circuit joint, so that the sleeved upper short-circuit joint and the sleeved short-circuit joint can be fixedly clamped in the clamp space of the pull-out and plug-in part;
the plug cylinder seat is provided with holes in the radial direction and the axial direction, and the holes in the axial direction comprise perforations for the output shaft of the power head to pass through; the radial holes comprise positioning holes and through holes, the plug-in part is connected with a piston rod of the hydraulic oil cylinder through a hinge, when the piston rod of the hydraulic oil cylinder stretches out, the plug-in sliding block is pushed to move, and the positioning holes can be used for inserting positioning columns of the plug-in part; the through hole can be used for a piston rod of the hydraulic oil cylinder to pass through;
the number of the positioning holes of the plug cylinder seat is the same as that of the positioning columns of the plug part;
the upper short-circuit joint and the lower short-circuit joint are an upper hexagonal short-circuit joint and a lower hexagonal short-circuit joint.
2. The disposal mechanism for a subsea drill according to claim 1, wherein: the plug cylinder seat is of an inverted U-shaped structure.
3. The disposal mechanism for a subsea drill according to claim 1, wherein: the hydraulic cylinder is connected to the plug cylinder seat through a bolt.
4. The disposal mechanism for a subsea drill according to claim 1, wherein: the lower short joint is detachably sleeved with the upper short joint through the cooperation of the inner and outer polygonal parts, so that the radial positioning and torque providing effects are realized.
5. The disposal mechanism for a subsea drill according to claim 1, wherein: the appearance designs of the upper short joint and the lower short joint are I-shaped cylindrical steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035773.3A CN107701124B (en) | 2017-10-30 | 2017-10-30 | Disposal mechanism for submarine drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035773.3A CN107701124B (en) | 2017-10-30 | 2017-10-30 | Disposal mechanism for submarine drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107701124A CN107701124A (en) | 2018-02-16 |
| CN107701124B true CN107701124B (en) | 2023-08-04 |
Family
ID=61178099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711035773.3A Active CN107701124B (en) | 2017-10-30 | 2017-10-30 | Disposal mechanism for submarine drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701124B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034362A1 (en) * | 2018-08-13 | 2020-02-20 | 四川大学 | Automatically closing mechanism of core drilling rig |
| CN109138884A (en) * | 2018-09-20 | 2019-01-04 | 上海交通大学 | It is unpowered throw guard system, with its core-drill(ing) machine and change pipe method |
| CN110017099B (en) * | 2019-04-17 | 2020-10-30 | 贵州航天天马机电科技有限公司 | Deep sea core sampling drilling machine takes off brill device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2716493Y (en) * | 2004-06-25 | 2005-08-10 | 长沙矿山研究院 | Multi-point core drilling machine for automatically replacing core inner pipe in deep sea |
| CN201574751U (en) * | 2009-09-28 | 2010-09-08 | 中国地质大学（武汉） | Testing device for simulating drilling and grouting in coal seam and evaluating stability of hole wall |
| CN102979455A (en) * | 2012-11-22 | 2013-03-20 | 中冶集团武汉勘察研究院有限公司 | Horizontal hole drilling machine |
| CN106948784A (en) * | 2017-03-28 | 2017-07-14 | 国家深海基地管理中心 | Submersible cobalt crusts coring bit |
| CN207568509U (en) * | 2017-10-30 | 2018-07-03 | 中国地质大学（武汉） | A kind of seabed drilling machine is with abandoning mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9512685B2 (en) * | 2014-08-19 | 2016-12-06 | Schlumberger Technology Corporation | Cable protector system |
-
2017
- 2017-10-30 CN CN201711035773.3A patent/CN107701124B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2716493Y (en) * | 2004-06-25 | 2005-08-10 | 长沙矿山研究院 | Multi-point core drilling machine for automatically replacing core inner pipe in deep sea |
| CN201574751U (en) * | 2009-09-28 | 2010-09-08 | 中国地质大学（武汉） | Testing device for simulating drilling and grouting in coal seam and evaluating stability of hole wall |
| CN102979455A (en) * | 2012-11-22 | 2013-03-20 | 中冶集团武汉勘察研究院有限公司 | Horizontal hole drilling machine |
| CN106948784A (en) * | 2017-03-28 | 2017-07-14 | 国家深海基地管理中心 | Submersible cobalt crusts coring bit |
| CN207568509U (en) * | 2017-10-30 | 2018-07-03 | 中国地质大学（武汉） | A kind of seabed drilling machine is with abandoning mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 岩心钻机轻量化设计的现状分析及建议;李波等;《矿山机械》;第5-9页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107701124A (en) | 2018-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107701124B (en) | Disposal mechanism for submarine drilling machine | |
| CN117108228B (en) | Geological investigation coring device and coring method | |
| CN211978375U (en) | Hydraulic engineering quality testing presss from both sides with getting core | |
| CN117446647A (en) | Concrete shaft lifting equipment | |
| CN204386523U (en) | A kind of rock-core borer integral type clamping, unloading boring rod set | |
| CN203835261U (en) | Device for lowering sleeve in drilled hole during gas extraction | |
| CN201236652Y (en) | Feeding and extracting tool of guiding device | |
| CN112814600B (en) | Bayonet type quick dismounting inner pipe assembly suitable for submarine drilling machine rope coring drilling tool | |
| CN111894480B (en) | Disassembling tool suitable for internal locking type drill rod | |
| CN210731075U (en) | Drilling machine for connector | |
| CN204419026U (en) | The anti-twisted device of a kind of spring formula bitubular ice core machine dimensions drill | |
| CN211174020U (en) | Electronic off-hook device in oil jacket space | |
| CN211008621U (en) | Electronic hanging-off device | |
| CN203621869U (en) | Dual U-shaped bayonet hydraulic puller for taper pins and plug pins | |
| CN106028657A (en) | PCB fast drill point retracting tool | |
| CN212080297U (en) | Adjustable electric underground valve opening and closing device | |
| CN202117603U (en) | Fishing device of drilling machine | |
| CN113279794B (en) | Anchor rope moves back anchor device | |
| CN103967413A (en) | Device for running casing pipes in gas extraction drill hole | |
| CN204252905U (en) | Fishing device | |
| CN204144478U (en) | Diplopore energy-saving electric joint | |
| CN203398352U (en) | Safe puncturing device for cable | |
| CN203675903U (en) | Hand-cranking folding ice auger | |
| CN221220397U (en) | Large-load drill pipe slip | |
| CN212671792U (en) | Adjusting device for clamping position of power head drill rod of tunnel boring rig |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |