CN103512772B - Sampling soft bag sealing mechanism by plurality of sheets of coiled reeds - Google Patents
Sampling soft bag sealing mechanism by plurality of sheets of coiled reeds Download PDFInfo
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- CN103512772B CN103512772B CN201210214867.8A CN201210214867A CN103512772B CN 103512772 B CN103512772 B CN 103512772B CN 201210214867 A CN201210214867 A CN 201210214867A CN 103512772 B CN103512772 B CN 103512772B
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Abstract
The invention discloses a sampling soft bag sealing mechanism by a plurality of sheets of coiled reeds. According to the technical scheme disclosed by the invention, a sealing resilient sheet is arranged adjacently to a soft bag along the peripheral direction; the coiled reeds are arranged on the upper part of the sealing resilient sheet and sealing sheets are arranged on the lower part of the sealing resilient sheet; when being in a gap between a coring drilling rod and a retaining core barrel, the sealing resilient sheet is strengthened by a binding belt; the coiled direction of the original coiled state of the coiled reeds on the sealing resilient sheet faces the axis direction of the retaining core barrel; the sealing sheets tend to be horizontal and are close to the axis of the retaining core barrel when being in the retaining core barrel. According to the sampling soft bag sealing mechanism, after the sealing resilient sheet enters the inner part of the retaining core barrel, the coiled reeds recover the original coiled state and the sealing sheets tend to be horizontal and are close to the axis of the retaining core barrel so as to drive a soft bag part in contact with the sealing sheets to be close to the axis of the retaining core barrel, so that the sealing work is realized. The sampling soft bag sealing mechanism adopts two-grade sealing and can realize ordered sealing so as to guarantee the sealing reliability. The sampling soft bag sealing mechanism is reasonable in structural design, simple and convenient to operate and good in sealing performance.
Description
Technical field
The present invention relates to the enclosed mechanism of lunar soil harvester under a kind of space flight state of weightlessness, be specifically related to multi-disc wind spring sheet and sample soft bag sealer structure.
Background technology
Aeronautical and space technology is that the mankind explore natural forward position engineering, and walking space-ward has become the requisite mark of science and technology power, and in aerospace system, each link is extremely important, how to drill through a lunar soil large technical barrier especially in the moonscape collection of low gravitation.As shown in Figure 1, the up-to-date lunar soil sampling apparatus that drills through is made up of coring drill rod 1, maintenance core barrel 2 and soft bag 5, core barrel 2 is kept to be located in coring drill rod 1, under off working state, soft bag 5 is in coring drill rod 1 and keeps in the gap of core barrel 2, and its top to be fixed on soft bag joint 3 and to be driven by the traction rope 8 on it; During work, after coring drill rod 1 decline puts in place, soft bag 5 is drawn in by traction rope 8 and is kept in core barrel 2, thus lunar soil got by dress.When using this kind of mode to carry out collection sampling, unique technical bottleneck is exactly the sealing problem of collecting soft bag after sampling, this is related to the final steps that can collection work complete smoothly, still needs, with regard to the further explorative experiment of this problem, to find out more suitably technical scheme.
Summary of the invention
The object of this invention is to provide multi-disc wind spring sheet and sample soft bag sealer structure, it can seal the sampling apparatus that drills through under moon low-gravity environment, its reasonable in design, simple and efficient to handle, good airproof performance.
Multi-disc wind spring sheet of the present invention samples soft bag sealer structure, the technical scheme adopted for solving its technical matters is: this multi-disc wind spring sheet samples soft bag sealer structure, it is characterized in that: soft bag is circumferentially provided with sealing shell fragment near end, the top of described sealing shell fragment is wind spring sheet, bottom is cap liner, sealing shell fragment is stretched straight by restraining at coring drill rod with when keeping in the gap of core barrel, the direction of crispaturaing of the original crimped configuration of wind spring sheet on it is towards the axis direction keeping core barrel, cap liner on it is tending towards level when keeping core barrel inner and to keeping the axle center of core barrel to draw close.
Preferably, described sealing shell fragment is fixed in the interlayer of soft bag by the cap liner on it.
Preferably, the end of described soft bag is provided with two-stage sealing shell fragment.
The invention has the beneficial effects as follows: this multi-disc wind spring sheet samples soft bag sealer structure, sealing operation is carried out mainly through sealing shell fragment, when it keeps in core barrel along with soft bag enters, wind spring sheet on it is extremely kept the original crimped configuration of core barrel inside by flat varus, to drive the port of soft bag to draw close to keeping the axle center of core barrel, cap liner meanwhile below wind spring sheet is tending towards level and to keeping the axle center of core barrel to draw close, the soft bag position that is in contact with it is driven also to be tending towards level and to keeping the axle center of core barrel to draw close, and sealing shell fragment is when recovering ortho states, by the port radial compression of soft bag to buckle condition, the space that each cap liner surrounds is filled up by its fold, thus realize sealing operation.And in the present invention, adopt two-stage to seal, gradually sequence sealing can be realized, ensure the reliability of sealing.Reasonable in design of the present invention, simple and efficient to handle, good airproof performance.
accompanying drawing illustrates:
Fig. 1 is the working state figure before the present invention seals.
Fig. 2 is the working state figure of the present invention when sealing.
Fig. 3 is the partial structurtes schematic diagram that sealing shell fragment of the present invention is located on soft bag.
Structural representation when Fig. 4 is sealing shell fragment of the present invention sealing.
embodiment:
With reference to each accompanying drawing, this multi-disc wind spring sheet samples soft bag sealer structure, it is characterized in that: soft bag 5 is circumferentially provided with sealing shell fragment near end, the top of described sealing shell fragment is wind spring sheet 9, bottom is cap liner 10, sealing shell fragment is stretched straight by restraining at coring drill rod 1 with when keeping in the gap of core barrel 2, the direction of crispaturaing of the original crimped configuration of wind spring sheet 9 on it is towards keeping the axis direction of core barrel 2, the cap liner 10 on it to be tending towards level when keeping core barrel 2 inner and to keeping the axle center of core barrel 2 to draw close.Sealing shell fragment is made in the interlayer of soft bag 5 by the cap liner 10 on it.The end of soft bag 5 is provided with two-stage sealing shell fragment.
Before lower brill, soft bag 5 is coated on the outer wall of maintenance core barrel 2, and the sealing shell fragment of soft bag 5 end with under the constraint keeping core barrel 2, is in flat at restraining; During lower brill, soft bag 5 one-level sealing is pulled rope 8 and is pulled into maintenance core barrel 2 inside, one-level sealing shell fragment with soft bag 5 move to keep the port of core barrel 2 lower end time restraining come off, wind spring sheet 9 on it flexing varus under natural resiliency effect is inner to maintenance core barrel 2, release energy and return to original crimped configuration, cap liner 10 is driven to be tending towards level to keeping the axle center of core barrel 2 to draw close, cap liner 10 drives the position of the soft bag 2 be in contact with it also to be tending towards level and to keeping the axle center of core barrel 2 to draw close, completes one-level sealing.Along with soft bag 5 continues the movement to keeping in core barrel 2, secondary sealing shell fragment finally completes equally in this way and seals the secondary of soft bag 5.In capping processes at different levels, sealing shell fragment recover ortho states time by the port radial compression of soft bag 2 to buckle condition, the space that each cap liner 10 surrounds is filled up by its fold, thus realizes sealing operation.This embodiment is simple and efficient to handle, time saving and energy saving, good airproof performance.
Claims (3)
1. a multi-disc wind spring sheet samples soft bag sealer structure, it is characterized in that: soft bag (5) is circumferentially provided with sealing shell fragment near end, the top of described sealing shell fragment is wind spring sheet (9), bottom is cap liner (10), sealing shell fragment is stretched straight by restraining at coring drill rod (1) with when keeping in the gap of core barrel (2), the direction of crispaturaing of wind spring sheet (9) the original crimped configuration on it is towards the axis direction keeping core barrel (2), cap liner (10) on it is tending towards level when keeping core barrel (2) inner and to keeping the axle center of core barrel (2) to draw close.
2. multi-disc wind spring sheet as claimed in claim 1 samples soft bag sealer structure, it is characterized in that: in the interlayer of sealing shell fragment by the fixing soft bag (5) of the cap liner (10) on it.
3. multi-disc wind spring sheet as claimed in claim 1 samples soft bag sealer structure, it is characterized in that: the end of soft bag (5) is provided with two-stage sealing shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214867.8A CN103512772B (en) | 2012-06-27 | 2012-06-27 | Sampling soft bag sealing mechanism by plurality of sheets of coiled reeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214867.8A CN103512772B (en) | 2012-06-27 | 2012-06-27 | Sampling soft bag sealing mechanism by plurality of sheets of coiled reeds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103512772A CN103512772A (en) | 2014-01-15 |
| CN103512772B true CN103512772B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210214867.8A Active CN103512772B (en) | 2012-06-27 | 2012-06-27 | Sampling soft bag sealing mechanism by plurality of sheets of coiled reeds |
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| CN (1) | CN103512772B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827692A (en) * | 2018-04-26 | 2018-11-16 | 哈尔滨工业大学 | Occupy-place reed samples soft bag enclosed mechanism |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823646B (en) * | 2015-01-04 | 2018-04-20 | 青岛海洋地质研究所 | Strand tidal flat undisturbed soil column sample sampling method |
| CN106065774B (en) * | 2016-07-29 | 2019-05-17 | 丘宗明 | A kind of soil sample sampling instrument |
| CN107991129A (en) * | 2018-01-16 | 2018-05-04 | 河南理工大学 | Reciprocating sampling method and device for gas bearing capacity spot sampling |
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|---|---|---|---|---|
| CN101109674A (en) * | 2007-08-30 | 2008-01-23 | 北京航空航天大学 | Moon soil sampling device |
| CN101694424A (en) * | 2009-10-13 | 2010-04-14 | 武汉地大长江钻头有限公司 | Moon lunar soil shallow layer drilling and coring method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1563642A (en) * | 1967-03-09 | 1969-04-18 |
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- 2012-06-27 CN CN201210214867.8A patent/CN103512772B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109674A (en) * | 2007-08-30 | 2008-01-23 | 北京航空航天大学 | Moon soil sampling device |
| CN101694424A (en) * | 2009-10-13 | 2010-04-14 | 武汉地大长江钻头有限公司 | Moon lunar soil shallow layer drilling and coring method |
Non-Patent Citations (1)
| Title |
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| 庞彧.面对月壤采集的自动钻取机构设计.《中国宇航学会深空探测技术专业委员会第八届学术年会论文集》.2011, * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827692A (en) * | 2018-04-26 | 2018-11-16 | 哈尔滨工业大学 | Occupy-place reed samples soft bag enclosed mechanism |
| CN108827692B (en) * | 2018-04-26 | 2019-07-09 | 哈尔滨工业大学 | Occupy-place reed samples soft bag enclosed mechanism |
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| Publication number | Publication date |
|---|---|
| CN103512772A (en) | 2014-01-15 |
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