CN103538751B - For the soft bag automatic sealing device of core drilling - Google Patents
For the soft bag automatic sealing device of core drilling Download PDFInfo
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- CN103538751B CN103538751B CN201310504581.8A CN201310504581A CN103538751B CN 103538751 B CN103538751 B CN 103538751B CN 201310504581 A CN201310504581 A CN 201310504581A CN 103538751 B CN103538751 B CN 103538751B
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- soft bag
- memorial alloy
- drill rod
- sealing device
- core
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Abstract
The invention provides a kind of soft bag automatic sealing device for core drilling, comprise rotary drill rod, core and manage and soft bag, described pipe of coring to be arranged in described rotary drill rod and to be coaxially set with described rotary drill rod, core described in described soft bag is suspended in pipe, to core described in the lower end of described soft bag is fixed on the lower end of pipe, described soft bag near opening to described in inside pipe wall circumference of coring have a circle groove, memorial alloy collar is provided with in described groove, described rotary drill rod top is provided with constent temperature heater, described constent temperature heater to be energized with the outside of described memorial alloy collar by wire and to be connected.Soft bag automatic sealing device for core drilling provided by the invention, for carry out under agravic environment lunar soil collection complete after capping processes in, the mechanics effect of high temperature shape memory alloy is directly utilized directly to carry out the closing in of soft band, there is high reliability, lightweight, structure is simple, the feature such as easy to operate.
Description
Technical field
The invention belongs to the sealing tech of soil collecting under a kind of space flight state of weightlessness, particularly relate to a kind of soft bag automatic sealing device for core drilling.
Background technology
The moon has abundant mineral reserve, as titanium, silicon, aluminium, iron and helium-3, wherein helium-3 is new forms of energy of human future most DEVELOPMENT PROSPECT.Some yttrium on the moon more can militarily be applied, and therefore, is the needs of the times to the sampling research of lunar soil, significant.China's moon exploration program third phase engineering project is carried out moon surface sample about 2017 emitter-detector and returns, and wherein lunar soil sampling coring apparatus is indispensable important step in moon exploration work.Under the space environment of complexity, how to realize the acquisition, collection, encapsulation etc. to lunar soil, and be unmanned enforcement in whole process.
Due to the complexity of menology lunar soil composition and the low-power consumption requirement of moon probing, very high to structural requirement of coring, conventional soft bag realizes collection and the encapsulation of lunar soil at present.In order to realize keeping ortho states bedding information, obtain continuous sample drill through sample requirement and the aspect such as the physical property of the function block of the mechanism that cores, chemical nature, compatible with environment has special technical requirements, require that sealing action has high reliability, do not occur to leak sample, fall sample phenomenon.When using soft bag to carry out collection sampling, the most formidable technical bottleneck is exactly the sealing problem of soft bag after drilling, and this is related to collection work reliably to complete a crucial step, still needs, with regard to the further explorative experiment of this problem, to find out more suitably technical scheme.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide and a kind ofly can seal at any time and seal stable closing device,
For achieving the above object, the invention provides a kind of soft bag automatic sealing device for core drilling, comprise rotary drill rod, core and manage and soft bag, described pipe of coring to be arranged in described rotary drill rod and to be coaxially set with described rotary drill rod, core described in described soft bag is suspended in pipe, to core described in the lower end of described soft bag is fixed on the lower end of pipe, described soft bag near opening to described in inside pipe wall circumference of coring have a circle groove, memorial alloy collar is provided with in described groove, described rotary drill rod top is provided with constent temperature heater, described constent temperature heater to be energized with the outside of described memorial alloy collar by wire and to be connected.
Preferably, the memorial alloy also comprising tube cavity bottom of coring described in being arranged on fixes anti-rotation sleeve, described constent temperature heater is fixed to be energized outside anti-rotation sleeve by wire and described memorial alloy and is connected, it is a C jacket that described memorial alloy fixes anti-rotation sleeve, in described C jacket lower end, outer rim is provided with tooth, and inside pipe wall of coring described in the opening of described soft bag is inserted into by described tooth is fixed.
Preferably, on described pipe outer wall of coring, cover has a memorial alloy clamping ring, and the opening of described soft bag is bitten fixing by memorial alloy clamping ring, and described constent temperature heater and described memorial alloy clamping ring are energized by wire and are connected.
Preferably, also comprise distance sleeve, in the annular chamber of coring described in described distance sleeve is arranged between pipe and described rotary drill rod.
Preferably, described memorial alloy collar is one be woven into the C type circle with wire side by memory alloy metal wire.
Preferably, the shape of described memorial alloy collar after energising distortion is a taper sleeve.
Preferably, the lower end inner bottom surface of described rotary drill rod is one by the edge annular surface downward-sloping to axle center.
Preferably, the tooth that described memorial alloy fixes anti-rotation sleeve is the tooth that edge all does chamfered, and the increment of described tooth tilts upward.
Soft bag automatic sealing device for core drilling provided by the invention, for carry out under agravic environment lunar soil collection complete after capping processes in, the mechanics effect of high temperature shape memory alloy is directly utilized directly to carry out the closing in of soft band, there is high reliability, lightweight, structure is simple, the feature such as easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for a kind of embodiment of soft bag automatic sealing device of core drilling;
Fig. 2 is the structural representation of the present invention for the another kind of embodiment of soft bag automatic sealing device of core drilling;
Fig. 3 is that the present invention is for the structural representation before the memorial alloy collar distortion of the soft bag automatic sealing device of core drilling;
Fig. 4 is that the present invention is for the structural representation after the memorial alloy collar distortion of the soft bag automatic sealing device of core drilling;
The structural representation of Fig. 5 to be the present invention for the memorial alloy of the soft bag automatic sealing device of core drilling fix anti-rotation sleeve;
Fig. 6 is that the present invention fixes anti-rotation sleeve and the fit structure schematic diagram of pipe of coring for the memorial alloy of the soft bag automatic sealing device of core drilling;
Fig. 7 is that the present invention is for the structural representation in the memorial alloy collar deformation process of the soft bag automatic sealing device of core drilling.
In figure: 1-rotary drill rod, 2-cores pipe, and 3-soft bag, 4-memorial alloy collar, 5-constent temperature heater, 6-memorial alloy fixes anti-rotation sleeve, 7-memorial alloy clamping ring, 8-distance sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
Embodiment 1
Please refer to Fig. 1, Fig. 1 is the structural representation of the present invention for a kind of embodiment of soft bag 3 automatic sealing device of core drilling.
A kind of soft bag 3 automatic sealing device for core drilling, comprise rotary drill rod 1, to core pipe 2 and soft bag 3, described pipe 2 of coring to be arranged in described rotary drill rod 1 and to be coaxially set with described rotary drill rod 1, coring described in described soft bag 3 is suspended on, pipe 2 is interior (cores in process, to core pipe 2 non rotating), to core described in the lower end of described soft bag 3 is fixed on the lower end of pipe 2, described soft bag 3 near opening to described in pipe 2 inwall circumference of coring have a circle groove, memorial alloy collar 4 is provided with in described groove, described rotary drill rod 1 top is provided with constent temperature heater 5, described constent temperature heater 5 to be energized with the outside of described memorial alloy collar 4 by wire and to be connected.
Please refer to Fig. 5 and Fig. 6, the structural representation of Fig. 5 to be the present invention for the memorial alloy of soft bag 3 automatic sealing device of core drilling fix anti-rotation sleeve 6; The fit structure schematic diagram of Fig. 6 to be the present invention for the memorial alloy of soft bag 3 automatic sealing device of core drilling fix anti-rotation sleeve 6 and pipe 2 of coring.
The memorial alloy also comprising pipe 2 inner chamber bottom of coring described in being arranged on fixes anti-rotation sleeve 6, described constent temperature heater 5 is fixed to be energized outside anti-rotation sleeve 6 by wire and described memorial alloy and is connected, it is a C jacket that described memorial alloy fixes anti-rotation sleeve 6, in described C jacket lower end, outer rim is provided with tooth, and pipe 2 inwall of coring described in the opening of described soft bag is inserted into by described tooth is fixed.
The tooth that described memorial alloy fixes anti-rotation sleeve 6 is the tooth that edge all does chamfered, and the increment of described tooth tilts upward.
Please refer to Fig. 3, Fig. 3 is that the present invention is for the structural representation before memorial alloy collar 4 distortion of soft bag 3 automatic sealing device of core drilling.
Described memorial alloy collar 4 is one be woven into the C type circle with wire side by memory alloy metal wire.
Please refer to Fig. 4, Fig. 4 is that the present invention is for the structural representation after memorial alloy collar 4 distortion of soft bag 3 automatic sealing device of core drilling.
Please refer to Fig. 7, Fig. 7 is that the present invention is for the structural representation of another after the memorial alloy collar distortion of the soft bag automatic sealing device of core drilling.
The shape of described memorial alloy collar 4 after energising distortion is a taper sleeve.
The deformation process of memorial alloy collar 4: utilize memory alloy coil can the characteristic of deformation arbitrarily in advance, memorial alloy collar 4 of having arranged is woven with memory alloy coil, the inside slight shrinkage of C type circle after electrified regulation, then while keep motionless, another side base angle upward movement, make the root edge of C type circle and C type circle keep motionless side to dock, thus form a taper sheath.
The deformation process of memorial alloy collar 4 is not unique, can also two jiaos, base move up simultaneously then drive wire side be mutually wound a taper sheath, deformation process is for boundary substantially with C type circle root edge any point, then two side portions is put with this and is carried out curling winding, and deformation process does not repeat one by one at this.
The lower end inner bottom surface of described rotary drill rod 1 is one by the edge annular surface downward-sloping to axle center.This structure of rotary drill rod 1 effectively can prevent from lunar soil chip to be detained or block up scratching soft bag 3 in rotary drill rod 1.
Principle of work for soft bag 3 automatic sealing device of core drilling:
When completing after lunar soil cores, carry out the sealing of soft bag 3, anti-rotation sleeve 6 electrified regulation is fixed by constent temperature heater 5 pairs of memorial alloy collars 4 and memorial alloy, by heating control mechanisms, delay process is carried out opportunity to both heating, first anti-rotation sleeve 6 is fixed to memorial alloy and carry out electrified regulation, making it inwardly shrink makes the tooth of its lower end outer rim depart from pipe 2 of coring, memorial alloy after disengaging is fixed anti-rotation sleeve 6 and is come off downwards and alleviate weight of coring, now netted memorial alloy collar 4 is heated, the memorial alloy collar 4 of the C type round be woven into by memory alloy metal wire is to taper sheath transfer of shapes, because soft bag 3 loses the memory of the fixation that the tooth of anti-rotation sleeve 6 fixed by alloy, along with the deformation of memorial alloy collar 4, soft bag 3 is closed up gradually, netted memorial alloy collar 4 and soft bag 3 and the laminating clip got between lunar soil close all the more, effectively can realize the sealing action of soft bag 3.
Embodiment 2
Please refer to Fig. 2, Fig. 2 is the structural representation of the present invention for the another kind of embodiment of soft bag 3 automatic sealing device of core drilling.
A kind of soft bag 3 automatic sealing device for core drilling, comprise rotary drill rod 1, to core pipe 2 and soft bag 3, described pipe 2 of coring to be arranged in described rotary drill rod 1 and to be coaxially set with described rotary drill rod 1, core described in described soft bag 3 is suspended in pipe 2, to core described in the lower end of described soft bag 3 is fixed on the lower end of pipe 2, described soft bag 3 near opening to described in pipe 2 inwall circumference of coring have a circle groove, memorial alloy collar 4 is provided with in described groove, described rotary drill rod 1 top is provided with constent temperature heater 5, described constent temperature heater 5 to be energized with the outside of described memorial alloy collar 4 by wire and to be connected.
On described pipe 2 outer wall of coring, cover has a memorial alloy clamping ring 7, and the opening of described soft bag is bitten fixing by memorial alloy clamping ring 7, and described constent temperature heater 5 and described memorial alloy clamping ring 7 are energized by wire and are connected.
Also comprise distance sleeve 8, in the annular chamber of coring between pipe 2 and described rotary drill rod 1 described in described distance sleeve 8 is arranged on.
Please refer to Fig. 3, Fig. 3 is that the present invention is for the structural representation before memorial alloy collar 4 distortion of soft bag 3 automatic sealing device of core drilling.
Described memorial alloy collar 4 is one be woven into the C type circle with wire side by memory alloy metal wire.
Please refer to Fig. 4, Fig. 4 is that the present invention is for the structural representation after memorial alloy collar 4 distortion of soft bag 3 automatic sealing device of core drilling.
The shape of described memorial alloy collar 4 after energising distortion is a taper sleeve.
The deformation process of memorial alloy collar 4: utilize memory alloy coil can the characteristic of deformation arbitrarily in advance, memorial alloy collar 4 of having arranged is woven with memory alloy coil, the inside slight shrinkage of C type circle after electrified regulation, then while keep motionless, another side base angle upward movement, make the root edge of C type circle and C type circle keep motionless side to dock, thus form a taper sheath.
The deformation process of memorial alloy collar 4 is not unique, can also two jiaos, base move up simultaneously then drive wire side be mutually wound a taper sheath, deformation process is for boundary substantially with C type circle root edge any point, then two side portions is put with this and is carried out curling winding, and deformation process does not repeat one by one at this.
The lower end inner bottom surface of described rotary drill rod 1 is one by the edge annular surface downward-sloping to axle center.This structure of rotary drill rod 1 effectively can prevent from lunar soil chip to be detained or block up scratching soft bag 3 in rotary drill rod 1.
Principle of work for soft bag 3 automatic sealing device of core drilling:
When completing after lunar soil cores, carry out the sealing of soft bag 3, by constent temperature heater 5 pairs of memorial alloy collars 4 and memorial alloy clamping ring 7 electrified regulation, by heating control mechanisms, delay process is carried out opportunity to both heating, first electrified regulation is carried out to memorial alloy clamping ring 7, its opening biting soft bag 3 is opened, because soft bag 3 loses the memory of the interlocking of alloy clamping ring 7, along with the deformation of memorial alloy collar 4, soft bag 3 is closed up gradually, netted memorial alloy collar 4 and soft bag 3 and the laminating clip got between lunar soil close all the more, effectively can realize the sealing action of soft bag 3.
Above-described embodiment is only for the invention example is clearly described, and the restriction not to the invention detailed description of the invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All within the spirit and principles in the present invention any apparent change of extending out or variation be still among the protection domain of the invention claim.
Claims (5)
1. the soft bag automatic sealing device for core drilling, it is characterized in that, comprise rotary drill rod, core and manage and soft bag, described pipe of coring to be arranged in described rotary drill rod and to be coaxially set with described rotary drill rod, core described in described soft bag is suspended in pipe, to core described in the lower end of described soft bag is fixed on the lower end of pipe, described soft bag near opening to described in inside pipe wall circumference of coring have a circle groove, memorial alloy collar is provided with in described groove, described rotary drill rod top is provided with constent temperature heater, described constent temperature heater to be energized with the outside of described memorial alloy collar by wire and to be connected, the memorial alloy also comprising tube cavity bottom of coring described in being arranged on fixes anti-rotation sleeve, described constent temperature heater is fixed to be energized outside anti-rotation sleeve by wire and described memorial alloy and is connected, it is a C jacket that described memorial alloy fixes anti-rotation sleeve, in described C jacket lower end, outer rim is provided with tooth, inside pipe wall of coring described in the opening of described soft bag is inserted into by described tooth is fixed.
2. the soft bag automatic sealing device for core drilling according to claim 1, is characterized in that, the tooth that described memorial alloy fixes anti-rotation sleeve is the tooth that edge all does chamfered, and the increment of described tooth tilts upward.
3. the soft bag automatic sealing device for core drilling according to claim 1 and 2, is characterized in that, described memorial alloy collar is one be woven into the C type circle with wire side by memory alloy metal wire.
4. the soft bag automatic sealing device for core drilling according to claim 3, is characterized in that, the shape of described memorial alloy collar after energising distortion is a taper sleeve.
5. the soft bag automatic sealing device for core drilling according to claim 4, is characterized in that, the lower end inner bottom surface of described rotary drill rod is one by the edge curved surface downward-sloping to axle center.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504581.8A CN103538751B (en) | 2013-10-23 | 2013-10-23 | For the soft bag automatic sealing device of core drilling |
| CN201510037322.8A CN104608966B (en) | 2013-10-23 | 2013-10-23 | Soft bag automatic sealing device for core drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504581.8A CN103538751B (en) | 2013-10-23 | 2013-10-23 | For the soft bag automatic sealing device of core drilling |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037322.8A Division CN104608966B (en) | 2013-10-23 | 2013-10-23 | Soft bag automatic sealing device for core drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103538751A CN103538751A (en) | 2014-01-29 |
| CN103538751B true CN103538751B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310504581.8A Expired - Fee Related CN103538751B (en) | 2013-10-23 | 2013-10-23 | For the soft bag automatic sealing device of core drilling |
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| CN (1) | CN103538751B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062141B (en) * | 2014-07-03 | 2016-08-17 | 哈尔滨工业大学 | Lunar soil core drilling mechanism performance test system |
| CN112255014B (en) * | 2020-11-19 | 2024-01-30 | 武汉轻工大学 | Acquisition drill bit and acquisition device |
| CN114354244B (en) * | 2021-12-03 | 2023-07-14 | 武汉轻工大学 | Material inserting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5621183A (en) * | 1995-01-12 | 1997-04-15 | Trw Inc. | Initiator for an air bag inflator |
| US6557650B2 (en) * | 2000-06-19 | 2003-05-06 | Schlumberger Technology Corp. | Method and apparatus for protecting explosives |
| CN102680274B (en) * | 2012-05-25 | 2014-05-28 | 北京卫星制造厂 | End actuating mechanism for sampling extraterrestrial body shallow soil |
| CN102721571B (en) * | 2012-06-18 | 2014-07-16 | 哈尔滨工业大学 | Sealing mechanism of sampling soft bag with reverse stopping function |
| CN102721572B (en) * | 2012-06-18 | 2013-12-04 | 哈尔滨工业大学 | Drilling coring sampling mechanism with double-layer soft bag |
| CN102735499B (en) * | 2012-07-19 | 2014-07-16 | 哈尔滨工业大学 | Double-layer composite soft-bag internal-flanging and external-wrapping core taking mechanism and drilling and sampling method |
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- 2013-10-23 CN CN201310504581.8A patent/CN103538751B/en not_active Expired - Fee Related
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| CN103538751A (en) | 2014-01-29 |
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