CN104192693B - A kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof - Google Patents
A kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof Download PDFInfo
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- CN104192693B CN104192693B CN201410367293.7A CN201410367293A CN104192693B CN 104192693 B CN104192693 B CN 104192693B CN 201410367293 A CN201410367293 A CN 201410367293A CN 104192693 B CN104192693 B CN 104192693B
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- 210000000078 claw Anatomy 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012546 transfer Methods 0.000 title claims abstract description 24
- 239000013049 sediment Substances 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 6
- 230000002301 combined effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011449 brick Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 150000004677 hydrates Chemical class 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical class C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The present invention relates to pressurize transfer device, it is desirable to provide a kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof。The present invention includes pushing cylinder, threaded rod, nut sleeve, feeds rotary head, special screw, push rod, slide bar, push rod rotating shaft, holding screw and needle exchange；For threadeding between described pushing cylinder and nut sleeve, feed for threadeding between rotary head with threaded rod, and feed rotary head front end and be embedded between nut sleeve and pushing cylinder；Described threaded rod is nested in by pushing cylinder, nut sleeve and feeds brick and be connected with each other between the cylinder formed。The invention has the beneficial effects as follows: claw is designed as interior fingers and has taken into account the stability of claw and the space hold problem of claw, and interior pawl can embed sample bushing pipe very easily；Rotarily drive threaded rod by feeding rotary head, promote push rod to act on built-in needle exchange by sample bushing pipe card jail；In the process of pulling back, claw top is arranged to inverted cone-shaped and can meet threaded rod and pull back smooth and easy。
Description
Technical field
The present invention relates to pressurize transfer device, be specifically related to a kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof。
Background technology
Gas hydrates (ClathrateHydrate) in halmeic deposit, are commonly called as " combustible ice ", are a kind of high-quality and efficient fuel, can as high-grade energy。His energy density is significantly high, according to Theoretical Calculation, lm3Saturated natural gas hydrate releasably goes out 150～200m at the standard conditions3Methane gas, be 10 times of other non-conventional gas source rocks (such as coal bed gas, black shale) energy density, 2～5 times of conventional gas energy density。
The formation of gas hydrates needs to be formed under certain condition, it is desirable to have suitable temperature, pressure, gas saturation, the salinity of water, pH value etc.。The gas hydrates of land originate in permafrost haorizon 200～2000m depths mostly。And at big midocean, gas hydrates are stable in 0～1000m degree of depth in deposit。
Due to the physical performance that gas hydrates stable existence is so special in certain cryogenic high pressure when, when exploiting the sea that rock core rises to normal temperature and pressure, the gas hydrates component wherein contained can wholly or largely be decomposed, and does not reach original position exploration purpose。The existing deep sea sediment sampler of China can be got the samples such as deposit, water, gas and gas hydrates and carry out pressurize at deep-sea, but the equipment of domestic temporary gastight sampling without secondary transfer, develop a set of pressurize transfer device docked with gastight sampling device, the research and development of China's natural gas hydrate pressurize transfer will be promoted。This achievement in research can be applied not only to hydrate project, it is also possible to is effectively generalized to other comprehensive oceanographic survey projects, is that modern marine investigates field to important means higher, more accurately detecting, has very wide application and promotion prospect。
Summary of the invention
The technical problem to be solved in the present invention is, overcomes deficiency of the prior art, it is provided that a kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof。
For solving technical problem, the solution of the present invention is:
A kind of hydrate sediment pressurize transfer sample bushing pipe claw is provided, including pushing cylinder, threaded rod, nut sleeve, feeds rotary head, special screw, push rod, slide bar, push rod rotating shaft, holding screw and needle exchange；For threadeding between described pushing cylinder and nut sleeve, feed for threadeding between rotary head with threaded rod, and feed rotary head front end and be embedded between nut sleeve and pushing cylinder, can only rotate, it is impossible to carry out translational motion；Described threaded rod is nested in by pushing cylinder, nut sleeve and feeds rotary head and be connected with each other between the cylinder formed；Special screw is connected in the stopper slot on threaded rod by the screwed hole on pushing cylinder, for limiting seesawing of threaded rod；Holding screw is by push rod and runs through in the screw being connected to push rod rotating shaft, and push rod rotating shaft and push rod are fixed on the front end of threaded rod；Needle exchange is nested in the top of push rod, and slide bar is connected perpendicularly to the top of push rod, and slide bar is nested in the cross recess of pushing cylinder front end, for limiting the direction of motion of push rod。
In the present invention, described special screw is GB/T70.1-2000M6*12 processing and manufacturing, for hexagon socket cap head screw, material is 316 rustless steels, wherein bolt be divided into bottom and end two parts, stud base's internal diameter is less than bolt end internal diameter, and the stud base that the high 4mm of being, internal diameter are 5mm is as the part inserting stopper slot；The chamfering of stud base and stud base and bolt end junction is 0.5 × 45 °；Select soket head cap screw main also to allow for it and can apply bigger screw-down torque, the advantage that bonding strength is high。
In the present invention, described pushing cylinder, nut sleeve, feed the cross section of rotary head and be annular, described threaded rod, special screw, needle exchange, slide bar, push rod rotating shaft cross section be circle, the cross section of push rod is square。
In the present invention, described threaded rod front end is connected to four equally distributed push rods。
The present invention also provides for a kind of application process based on described hydrate sediment pressurize transfer sample bushing pipe claw, and described application process comprises the steps:
Step 1) advance process: described claw original state is that the related needle exchange of push rod is in contraction state, namely now special screw be positioned at threaded rod stopper slot by push rod one end, push rod is positioned at pushing cylinder inside and becomes 60 ° of angles with threaded rod direction with needle exchange, and slide bar is positioned at the one end in the inner part of the cross recessed on pushing cylinder；When claw advances, feeding rotary head and do not rotate and keep geo-stationary with threaded rod, claw is tried hard to recommend outside under moving and is progressed into sample bushing pipe；
Step 2) capture process: in claw front end entrance sample bushing pipe after this sample bushing pipe internal diameter distance of half, start external motor drive and feed rotary head rotation, owing to feeding for threadeding between rotary head with threaded rod, thus driving the relative pushing cylinder of threaded rod to travel forward；Owing to push rod one end is fixed on threaded rod front end by push rod rotating shaft, the horizontal plug in slide bar in push rod front end is embedded in the cross recess inner opposite end of pushing cylinder, and therefore slide bar will move to cross recess lateral ends under the promotion of threaded rod；Making push rod and needle exchange be ejected the cross recess on pushing cylinder under the push rod rotating shaft combined effect with slide bar, needle exchange is headed in sample bushing pipe；When claw enters seized condition, feeding rotary head and be in rotary course, special screw moves to claw afterbody in stopper slot, until during stopper slot end, stopping the rotation and feed rotary head, now push rod is vertical with threaded rod, and needle exchange has goed deep into sample bushing pipe；
Step 3) process of pulling back: this process and advance similar process, under external force, driving claw to pull back, vertically heading into sample cell due to needle exchange, thus driving sample cell to move。Now keep geo-stationary between each part of claw, feed rotary head and do not rotate；
Step 4) dropout process: postponing (position such as pressurize transfer bin) when claw drives sample cell to arrive specific bit, then under the rotation of external motor, reversion feeds rotary head, this process with capture similar process。Now under feeding rotary head reversion effect, threaded rod moves to claw afterbody relative to pushing cylinder, is drawn by push rod by the effect of push rod rotating shaft and slide bar inside the cross recess of pushing cylinder, thus the needle exchange at push rod top is pulled out sample cell, reaches dropout purpose。Claw finally pulls out sample cell under external force drags, and namely sample bushing pipe departs from claw。
Compared with prior art, the invention has the beneficial effects as follows:
Claw is designed as interior fingers and has taken into account the stability of claw and the space hold problem of claw, and interior pawl can embed sample bushing pipe very easily；Rotarily drive threaded rod by feeding rotary head, promote push rod to act on built-in needle exchange by sample bushing pipe card jail；In the process of pulling back, claw top is arranged to inverted cone-shaped and can meet threaded rod and pull back smooth and easy。It addition, after being grabbed by sample bushing pipe and being pulled to pressurize transfer bin, drive threaded rod adverse movement by feeding rotary head, push rod can be driven to pull needle exchange, claw structure is made to depart from sample bushing pipe。
Accompanying drawing explanation
Fig. 1 is the claw overall structure front view of the present invention；
Fig. 2 is the claw structure side view of the present invention；
Fig. 3 is the schematic diagram before the claw entrance sample bushing pipe of the present invention；
The claw that Fig. 4 is the present invention enters the schematic diagram that sample bushing pipe captures；
Fig. 5 is the special screw design drawing of the present invention；
Accompanying drawing labelling: 1, pushing cylinder, 2, threaded rod, 3, nut sleeve, 4, feed rotary head, 5, special screw, 6, push rod, 7, slide bar, 8, push rod rotating shaft, 9, holding screw, 10, needle exchange, 11, cross recess, 12, stopper slot。
Detailed description of the invention
Below example can make the technical staff of this professional skill field more fully understand the present invention, but does not limit the present invention in any way。
As shown in Fig. 1～2, the present invention provides the specific embodiment of a kind of hydrate sediment pressurize transfer sample bushing pipe claw, including pushing cylinder 1, threaded rod 2, nut sleeve 3, feeds rotary head 4, special screw 5, push rod 6, slide bar 7, push rod rotating shaft 8, marks closely screw 9 and needle exchange 10；Described claw is interior fingers, solves space hold problem, improves crawl success rate。Because sample cell is plastic material, if taking outer fingers, in the process capturing sample cell, then sample cell crimp even can be broken, the original position feature of the hydrate sediment of severe jamming sampling。Just use interior fingers, hold inside sample cell sample cell, it is possible to effectively reduce the interference to hydrate sediment, and can effectively reduce the volume of claw, again owing to claw moves between each cabin of pressurize transfer device, thus reducing the volume in each cabin, weight。
For threadeding between pushing cylinder 1 with nut sleeve 3, feed for threadeding between rotary head 4 with threaded rod 2, and feed rotary head 4 front end and be embedded between nut sleeve 3 and pushing cylinder 1, can only rotate, it is impossible to carry out translational motion。Threaded rod 2 is then arranged in pushing cylinder 1, nut sleeve 3, feeds the cylinder that rotary head 4 collectively constitutes。
Special screw 5, by the screwed hole on pushing cylinder 1, inserts in the stopper slot 12 on threaded rod 2, for limiting the scope that seesaws of threaded rod 2。
Holding screw 9 screws in push rod 6 and in the screw of push rod rotating shaft 8, push rod rotating shaft 8 and push rod 6 is relatively fixed to the front end of threaded rod 2。Needle exchange 10 is nested in the top of push rod 6, the top inserting push rod 6 that slide bar 7 is vertical, and slide bar 7 is embedded in the cross recess 11 of pushing cylinder 1 front end, for limiting the direction of motion of push rod 6。
Feed rotary head 4 to rotarily drive threaded rod 2 and move forwards or backwards, described special screw 5 is GB/T70.1-2000M6*12 processing and manufacturing, for hexagon socket cap head screw, wherein the bolt of special screw 5 is divided into stud base and bolt end two parts, stud base's internal diameter is less than bolt end internal diameter, and the stud base that the high 4mm of being, internal diameter are 5mm is as the part inserting stopper slot 12；The chamfering of stud base and stud base and bolt end junction is 0.5 × 45 °, and specific design structure chart is as shown in Figure 5。Select soket head cap screw main also to allow for it and can apply bigger screw-down torque, the advantage that bonding strength is high。
Special screw 5 is for limiting the range of movement of threaded rod 2；Threaded rod 2 ejects or retracts needle exchange 10 by push rod 6 structure, thus reaching to capture the purpose of sample bushing pipe or dropout。Stopper slot 12 on described threaded rod 2 limits the range of movement of threaded rod 2, it is therefore prevented that needle exchange 10 comes off。
Described pushing cylinder 1, nut sleeve 3, the cross section that feeds rotary head 4 are annular, described threaded rod 2, special screw 5, needle exchange 10, slide bar 7, push rod rotating shaft 8 circular in cross-section, the cross section of push rod 6 is square。Described threaded rod 2 front end is connected to four equally distributed push rods 6, and described four push rods 6 are with the axle center of threaded rod 2 for initial point centrosymmetry。
The embodiment of the present invention also provides for the application process of a kind of described hydrate sediment pressurize transfer sample bushing pipe claw, and described application process comprises the steps:
Step 1) advance process: described claw original state is that the related needle exchange 10 of push rod 6 is in contraction state, now special screw 5 be positioned at threaded rod 2 stopper slot 12 by push rod 6 one end, push rod 6 and needle exchange 10 are positioned at pushing cylinder 1 inside and with threaded rod 2 direction into about 60 degree of acute angles, the one end in the inner part of the cross recess 11 that slide bar 7 is positioned on pushing cylinder 1。When claw advances, feeding rotary head 4 and do not rotate and keep geo-stationary with threaded rod 2, claw is tried hard to recommend outside under moving and is progressed into sample bushing pipe, and process is as shown in Figure 3。
Step 2) capture process: in claw front end entrance sample bushing pipe after this sample bushing pipe internal diameter distance of half, startup external motor drive feeds rotary head 4 and rotates, owing to feeding for threadeding between rotary head 4 with threaded rod 2, thus driving the relative pushing cylinder 1 of threaded rod 2 to travel forward。Owing to push rod 6 one end is fixed on threaded rod 2 front end by push rod rotating shaft 8, again owing to the horizontal plug in slide bar 7 in push rod 6 front end is embedded in cross recess 11 inner opposite end of pushing cylinder 1, therefore slide bar 7 will move to cross recess 11 lateral ends under the promotion of threaded rod 2。The combined effect of push rod rotating shaft 8 and slide bar 7 makes push rod 6 and needle exchange 10 be ejected the cross recess 11 on pushing cylinder 1, and needle exchange 10 is headed in sample bushing pipe。
As shown in Figure 4, when claw enters seized condition, feed rotary head 4 and be in rotary course, special screw 5 moves to claw afterbody in stopper slot 12, until during stopper slot 12 end, stopping the rotation and feed rotary head 4, now needle exchange 10 has goed deep into sample bushing pipe, as shown in Figure 4, push rod 6 and threaded rod 2 are in the state of being mutually perpendicular to；Wherein, external motor is the supporting technology instrument for implementing the present invention, and for prior art, external motor is connected with feeding rotary head 4, is used for being rotated and feeds rotary head 4, and product type can be selected as required voluntarily。
Step 3) process of pulling back: this process and advance similar process, under external force, driving claw to pull back, vertically heading into sample cell due to needle exchange 10, thus driving sample cell to move。Now keep geo-stationary between each part of claw, feed rotary head 4 and do not rotate。
Step 4) dropout process: postponing (position such as pressurize transfer bin) when claw drives sample cell to arrive specific bit, then under the rotation of external motor, reversion feeds rotary head 4, this process with capture similar process。Now under feeding rotary head 4 reversion effect, threaded rod 2 moves to claw afterbody relative to pushing cylinder 1, by the effect of push rod rotating shaft 8 and slide bar 7, push rod 6 is drawn to the cross recess 11 of pushing cylinder 1 is internal, thus the needle exchange 10 by push rod 6 top pulls out sample cell, reach dropout purpose。Claw finally pulls out sample cell under external force drags, and namely sample bushing pipe departs from claw。
Wherein, pressurize transfer bin is the supporting technology instrument for implementing the present invention, for prior art, for preserving hydrate sediment under environment under high pressure。
Therefore, the actual range of the present invention not only includes the disclosed embodiments, is additionally included under claims to be practiced or carried out all equivalents of the present invention。
Claims (5)
1. hydrate sediment pressurize transfer is with a sample bushing pipe claw, including pushing cylinder and threaded rod, it is characterised in that also include nut sleeve, feed rotary head, special screw, push rod, slide bar, push rod rotating shaft, holding screw and needle exchange；For threadeding between described pushing cylinder and nut sleeve, feeding for threadeding between rotary head with threaded rod, and feed rotary head front end and be embedded between nut sleeve and pushing cylinder, described threaded rod is nested in by pushing cylinder, nut sleeve and feeds rotary head and be connected with each other between the cylinder formed；Special screw is connected in the stopper slot on threaded rod by the screwed hole on pushing cylinder, for limiting seesawing of threaded rod；Holding screw is by push rod and runs through in the screw being connected to push rod rotating shaft, and push rod rotating shaft and push rod are fixed on the front end of threaded rod；Needle exchange is nested in the top of push rod, and slide bar is connected perpendicularly to the top of push rod, and slide bar is nested in the cross recess of pushing cylinder front end, for limiting the direction of motion of push rod。
2. the hydrate sediment pressurize transfer sample bushing pipe claw according to claim 1, it is characterized in that, described special screw is hexagon socket cap head screw, wherein the bolt of special screw is divided into stud base and bolt end two parts, stud base's internal diameter is less than bolt end internal diameter, and the stud base that the high 4mm of being, internal diameter are 5mm is as the part inserting stopper slot；The chamfering of stud base and stud base and bolt end junction is 0.5 × 45 °。
3. the hydrate sediment pressurize transfer sample bushing pipe claw according to claim 1, it is characterized in that, described pushing cylinder, nut sleeve, the cross section that feeds rotary head are annular, described threaded rod, special screw, needle exchange, slide bar, push rod rotating shaft cross section be circle, the cross section of push rod is square。
4. the hydrate sediment pressurize transfer sample bushing pipe claw according to claim 1, it is characterised in that described threaded rod front end is connected to four equally distributed push rods。
5. one kind based on the hydrate sediment pressurize transfer application process of sample bushing pipe claw described in claim 1, it is characterised in that described application process comprises the steps:
Step 1) advance process: described claw original state is that the related needle exchange of push rod is in contraction state, namely now special screw be positioned at threaded rod stopper slot by push rod one end, push rod is positioned at pushing cylinder inside and becomes 60 ° of angles with threaded rod direction with needle exchange, and slide bar is positioned at the one end in the inner part of the cross recessed on pushing cylinder；When claw advances, feeding rotary head and do not rotate and keep geo-stationary with threaded rod, claw is tried hard to recommend outside under moving and is progressed into sample bushing pipe；
Step 2) capture process: in claw front end entrance sample bushing pipe after this sample bushing pipe internal diameter distance of half, start external motor drive and feed rotary head rotation, owing to feeding for threadeding between rotary head with threaded rod, thus driving the relative pushing cylinder of threaded rod to travel forward；Owing to push rod one end is fixed on threaded rod front end by push rod rotating shaft, the horizontal plug in slide bar in push rod front end is embedded in the cross recess inner opposite end of pushing cylinder, and therefore slide bar will move to cross recess lateral ends under the promotion of threaded rod；Making push rod and needle exchange be ejected the cross recess on pushing cylinder under the push rod rotating shaft combined effect with slide bar, needle exchange is headed in sample bushing pipe；When claw enters seized condition, feeding rotary head and be in rotary course, special screw moves to claw afterbody in stopper slot, until during stopper slot end, stopping the rotation and feed rotary head, now push rod is vertical with threaded rod, and needle exchange has goed deep into sample bushing pipe；
Step 3) process of pulling back: under external force drives, drive claw to pull back, vertically head into sample bushing pipe due to needle exchange, thus driving sample bushing pipe to move, now keeping geo-stationary in claw between each part, feeding rotary head and do not rotate；
Step 4) dropout process: postpone when claw drives sample bushing pipe to arrive specific bit, under the rotation of external motor, reversion feeds rotary head, now under feeding rotary head reversion effect, threaded rod moves to claw afterbody relative to pushing cylinder, by the effect of push rod rotating shaft and slide bar, push rod is drawn inside the cross recess of pushing cylinder, thus the needle exchange at push rod top is pulled out sample bushing pipe, reach dropout purpose；Claw finally pulls out sample bushing pipe under external force drags, and namely sample bushing pipe departs from claw。
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| CN108020438B (en) * | 2018-01-31 | 2024-09-27 | 上海交大海洋水下工程科学研究院有限公司 | Mechanical hand-held type seabed sediment airtight sampling device and sampling and pressure maintaining method thereof |
| CN108979578B (en) * | 2018-08-20 | 2020-06-16 | 浙江大学 | Long-stroke pushing and rotating device for pressure-maintaining core tube in pressure-maintaining transfer system |
| CN111535768B (en) * | 2020-05-12 | 2021-03-30 | 中国地质大学（武汉） | Core liner capturing device for natural gas hydrate under-pressure transfer system |
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| CN2591609Y (en) * | 2002-12-12 | 2003-12-10 | 浙江大学 | Non-boundary disturbance abysmal sediment pressurizing sampling apparatus |
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| CA2304731A1 (en) * | 1997-09-25 | 1999-04-01 | Macquarie Research Ltd. | Apparatus for removing a sample from an array of samples and a cutting tool for use with that apparatus |
| FI20045231A0 (en) * | 2004-06-18 | 2004-06-18 | Bio Nobile Oy | Method and apparatus for sampling and dispensing |
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|---|---|---|---|---|
| DE10011235C2 (en) * | 2000-03-08 | 2002-08-08 | Max Planck Gesellschaft | Stitching device for sample taking and method for taking a sample |
| CN2591609Y (en) * | 2002-12-12 | 2003-12-10 | 浙江大学 | Non-boundary disturbance abysmal sediment pressurizing sampling apparatus |
| CN2689213Y (en) * | 2004-04-09 | 2005-03-30 | 赵祖昌 | Micro-sampler |
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