CN102818714A - Covering layer sampling device - Google Patents
Covering layer sampling device Download PDFInfo
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- CN102818714A CN102818714A CN2012102868804A CN201210286880A CN102818714A CN 102818714 A CN102818714 A CN 102818714A CN 2012102868804 A CN2012102868804 A CN 2012102868804A CN 201210286880 A CN201210286880 A CN 201210286880A CN 102818714 A CN102818714 A CN 102818714A
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- outer tube
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Abstract
The invention relates to a covering layer sampling device, which comprises a sampling drill (1) on the end part, a sampler outer pipe (3), a residual soil pipe (7), an outer pipe joint (6) positioned between the sampler outer pipe (3) and the residual soil pipe (7), and a core-like inner cylinder (4) positioned on the inner wall of the sampler outer pipe (3), wherein a position stopping ring (5) is positioned on the inner wall of the sampler outer pipe (3) and between the outer pipe joint (6) and the core-like inner cylinder (4), the upper end of the residual soil pipe (7) is fixed with a cover head (8), the upper end of the cover head (8) is provided with a reducing joint (9), and the sampling drill (1) is an alloy drill with a quenching treatment or a normalizing treatment. The covering layer sampling device of the present invention has the following advantages that: adaptability on stratum is wide, no disturbance is generated to the rock sample, layer mixing of the upper layer and the lower layer is not generated, the original gradation and the original structure are maintained, representativeness of the rock sample is strong, requirements of geological description and rock sample tests can be met, and the sampler has characteristics of simple and reasonable structure, easy operation, and high sampling success rate.
Description
Technical field
The invention belongs to the engineering geological investigation field, more particularly it is a kind of overlayer ST.
Background technology
Loose ground overlayer is a kind of medium that the human engineering activity often will be faced.In engineering construction prospecting, through exploration means and take out original state structure rock sample, find out the material composition, architectural feature, grain composition, physical mechanics proterties of this medium etc., be an important technology content need accomplishing in the engineering geological investigation stage.
Tectal material is formed with structure generally comparatively complicated; Soft or hard is uneven, particle diameter differs, loose crushing, layer position change big; Because the laxity and the unevenness on stratum limit, occur easily in creeping into the rock core rock sample by erosion, be worn, be situation such as the loose crushing shape is difficult to that card is got, thereby the tectal sampling of coring; Particularly take out the constant original state structure appearance of the former proterties of maintenance, become needs one of technical barrier that solves always in the engineering geological investigation.
At present several kinds of original state sampling devices of domestic existing all have certain scope of application restriction through probationary certificate, generally are applicable to monistic soft rock class overlayer, like purer layer of sand, soil layer or contain the heavier small particle diameter metalling of mud etc.; Because the chisel bit of these STs adopts common iron and card center device to adopt forms such as circlip type, pawl spring formula, spring more more; All should not bear destructions such as the colliding with of hard rock stone, impact; Therefore for poor effect all such as Combination hard rock class such as sand pebble layer, metalling, gravel bed, sand dirt band, mud dirt band; The chisel bit of these STs or card center device have been broken containing the more stratum use meeting of stone, be difficult for taking out desirable original state structure appearance.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned existing disadvantages of background technology, development provides a kind of ground adaptability wide, simple in structure and practical, can take out the overlayer ST that keeps former grating and original state structure appearance.
The objective of the invention is to reach: the overlayer ST through following measure; It is characterized in that it comprises the chisel bit that is positioned at the end, ST outer tube, Yu Tuguan; Outer tube joint between ST outer tube and Yu Tuguan; Be positioned at the core inner core of ST outer tube wall, position-arresting ring arranged at the inwall of ST outer tube and between outer tube joint and core inner core, the upper end of Yu Tuguan is fixed with headkerchief; There is sloper the upper end of headkerchief, and said chisel bit is the alloy bit through quenching or normalizing treatment.
In technique scheme, on the described boots formula chisel bit steel wire eyelet is arranged.
In technique scheme, chisel bit is a boots formula structure, and cylindrical 15 * 70 is processed in the drill bit bottom
0, interior circle 10 * 70
0Sharp boot-shaped.
In technique scheme, the core inner core be thick 0.5mm cross the zinc-iron plate.
In technique scheme, the middle part of sloper has two groups to the break-through water hole.
The advantage of overlayer ST of the present invention:
1. ground adaptability is wider, except that the unicity soft rock class stratum that general ST is suitable for, also is applicable to other Combination hard rock class stratum.
2. to not disturbance of rock sample, do not mix layer up and down, keep former grating and original state structure, rock sample is representative strong, can satisfy the requirement that geologic description and rock sample are tested.
3. simple and reasonable, the easy operation of ST, sampling success ratio height.
4. do not receive the restriction of drilling depth, can be used for the sampling of deep covering layer.
Description of drawings
Fig. 1 is the structural representation of overlayer ST of the present invention.
Fig. 2 is the partial enlarged drawing of mark part among Fig. 1.
1. chisel bits among the figure, 2. steel wire eyelet, 3. sampling outer tube, 4. core inner core, 5. position-arresting ring, 6. outer tube joint, 7. surplus soil pipe, 8. headkerchief, 9. sloper, 10. limbers.
Embodiment
Specify performance of the present invention below in conjunction with accompanying drawing, but they do not constitute to qualification of the present invention, have only done for example then, simultaneously through explain advantage of the present invention will become clear more with understand easily.
Consulting accompanying drawing can know: overlayer ST of the present invention, and it comprises the chisel bit 1 that is positioned at the end, ST outer tube 3; Surplus soil pipe 7; Manage the outer tube joint 6 between 7 at ST outer tube 3 and surplus soil, be positioned at the core inner core 4 of ST outer tube 3 inwalls, position-arresting ring 5 is arranged at the inwall of ST outer tube 3 and between outer tube joint 6 and core inner core 4; The upper end of surplus soil pipe 7 is fixed with headkerchief 8; There is sloper 9 upper end of headkerchief 8, and the middle part of sloper 9 has two groups to break-through water hole 10, and said chisel bit 1 is the alloy bit through quenching or normalizing treatment; On the described boots formula chisel bit 1 steel wire eyelet 2 is arranged; Chisel bit 1 is a boots formula structure, and cylindrical 15 * 70 is processed in the drill bit bottom
0, interior circle 10 * 70
0Sharp boot-shaped; The core inner core be thick 0.5mm cross the zinc-iron plate.
Overlayer ST of the present invention can be made into the messenger of different bores.Be generally two kinds of its outside dimension: FS-130 type ST outer tubes and be Ф 127, equipped Ф 130 boots formula chisel bits, be used for sampling in the boring of conventional Ф 130 bores; FS-110 type ST outer tube is Ф 108, equipped Ф 110 boots formula chisel bits, be used for sampling in the boring of conventional Ф 110 bores.These two kinds of bores had both comprised the routine boring bore of overlayer sampling.
Boots formula chisel bit adopts the processing of alloy bit material, and cylindrical 15 * 70 is processed in the drill bit bottom
0, interior circle 10 * 70
0Sharp boot-shaped (as shown in Figure 2), rock sample gets into the core inner core smoothly when helping the chisel bit hammering and being pressed into the rock stratum; With chisel bit the latter half quench (or normalizing) handle, to improve hardness, intensity and the toughness of boots formula chisel bit; Bore two groups of symmetry eyelets in the drill bit bottom, put on a small gangs of steel wire in the hole, play reliable the core of the card effect, the rock sample of core inner core comes off in the time of can preventing to pull out of hole.
The core inner core adopts the zinc-iron coiled sheet system of crossing of thick 0.5mm, to reduce the frictional resistance that rock sample gets into the core inner core; Its length can be processed into 300mm, 400mm or 600mm equal length respectively according to differences such as situation, overlayer composition, sampling and test needs in the hole, should adopt the ST outer tube of corresponding length when noting assembling.
The top design that is positioned at the core inner core on the ST outer tube upper inside wall is installed a position-arresting ring, and core inner core bottom has so then been guaranteed the location of core inner core by chisel bit upper end screens, and string is moving up and down in the ST outer tube to prevent it; ST outer tube top connects outer tube joint, connects the Yu Tuguan about the about 600mm of length again; ST carries out pulling out of hole behind the sampling operation in the hole, takes bottom drill bit and top outer tube joint apart, can take out core inner core and rock sample, can avoid so directly beaing the ST outer tube with hammer and causes the damage of core.
Surplus soil pipe top connects headkerchief, connects sloper again; On the sloper drilled in middle φ 10mm to two groups in break-through water hole, can prevent to carry the core that the washing fluid column pressure in the drill string and Yu Tuguan in the brill process destroyed or extruded the sampling inner core.
Sloper top connects general boring conventional drilling rod.
The practical operation step of overlayer ST of the present invention is following:
1. need carry out overlayer when sampling, earlier with drilling tool with the hole at the bottom of deposition fish for clean (deposition should be no more than 0.2m and be advisable).
2. at the bottom of by the aperture corresponding size and the ST that assembles being connected down hand-hole with conventional drilling rod, whether put in place through measuring surplus affirmation ST.
3. the ground conventional drilling rod of holing connects plays hammer, and the soft formation position adopts 50～100kg to play hammer, the hard formation position adopts 100～200kg to play hammer.
4. promote and transfer fast to beat through the rig windlass and hammer hammering drilling rod and ST into shape, keep the hammering penetration speed of reasonable and suitable through control and adjusting hoisting depth; It is upward surplus to measure calculating, then can stop when hole depth hammering drilling depth reaches sampling inner core length (attention should be deducted deposition and chisel bit length).
5. write down sampling start-stop drilling depth; Steadily promote ST.
6. dismantle drill bit and outer tube joint; Steadily release the sampling inner core.
7. sealed packet wraps the appearance tube; To be described, or send test.
Instance on probation:
The overlayer ST of two kinds of specifications of FS of the present invention-130 type and FS-110 types, drop into successively that Jinsha jiang River crow East Germany power station can be ground in advance and the engineering geological investigation of application for developing on probation with use:
The boring waterborne of crow East Germany dam site covers bed thickness and reaches 60-79m; Adopt conventional drilling method to drill in the past, its as a result efficient low, core of poor qualityly, blank pipe is proposed when usually pulling out of hole; Bore down again and fish for rock core with the steel wire drill bit; Can only take out greater particle size cobble or piece stone, the layer of sand in the stratum, fine grained, contain mud layer etc. and often all be rinsed liquid and wash away, in sediment tube, also can only take out by sorting, stirring, the unclear partially mixed particle sand sample in layer position; Core recovery percentage generally about 30%, more can't take out real original state structure appearance.
Through adopt core sample that revolution dry combustion method drill method takes out also destroyed its original state structure, can't carry out further test to rock sample, feasiblely like this be difficult to find out the tectal true composition of sandy gravel, version and original state grating, can't satisfy geologic requirements.
The ST that domestic manufacturers produce; Like soil layer ST, two-tube interior cutting ring formula ST, two-tube pawl spring formula ST, φ 108mm original state appearance sand extractor, two-tube leading boots formula ST etc.; Obviously be restricted through dropping into all scope of application on probation; These STs are at fine sand layer, the dirt bed in black East Germany dam site riverbed or contain in the more small crushed stone layer of mud comparatively practically, contain the more overlayer of stone and just all can not take effect but run into sand pebble layer, sand dirt band, big slightly particle diameter gravel bed etc., also are difficult for taking out desirable original state structure appearance and come; Also often these STs have been broken the overall success ratio of sampling only about 30% in the use.
Overlayer ST of the present invention; Drop on the black East Germany river bed water that the boring overlayer try out and application widely; In the overlayer sampling of 8 borings waterborne of Dam Site of successively implementing; The novel ST of application invention takes out 109 groups of original state appearance that comprise all kinds of unicity soft rocks and Combination hard rock altogether, and the sampling success ratio also reaches about 95%.
The content of not doing in this instructions to describe in detail belongs to this area professional and technical personnel's known prior art.
Claims (5)
1. overlayer ST; It is characterized in that it comprises the chisel bit (1) that is positioned at the end, ST outer tube (3), Yu Tuguan (7); Be positioned at the outer tube joint (6) between ST outer tube (3) and the Yu Tuguan (7); Be positioned at the core inner core (4) of ST outer tube (3) inwall, have position-arresting ring (5) to be positioned at the inwall of ST outer tube (3) and be positioned at outer tube joint (6) and core inner core (4) between, the upper end of Yu Tuguan (7) is fixed with headkerchief (8); There is sloper (9) upper end of headkerchief (8), and said chisel bit (1) is the alloy bit through quenching or normalizing treatment.
2. overlayer ST according to claim 1 is characterized in that steel wire eyelet (2) is arranged on the described boots formula chisel bit (1).
3. overlayer ST according to claim 1 and 2 is characterized in that chisel bit (1) is boots formula structure, and cylindrical 15mm * 70 are processed in chisel bit (1) bottom
0, interior round 10mm * 70
0Sharp boot-shaped.
4. overlayer ST according to claim 3 is characterized in that core inner core (4) crosses the zinc-iron coiled sheet for thick 0.5mm.
5. overlayer ST according to claim 4 is characterized in that the middle part of sloper (9) has two groups to break-through water hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102868804A CN102818714A (en) | 2012-08-13 | 2012-08-13 | Covering layer sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102868804A CN102818714A (en) | 2012-08-13 | 2012-08-13 | Covering layer sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102818714A true CN102818714A (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102868804A Pending CN102818714A (en) | 2012-08-13 | 2012-08-13 | Covering layer sampling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233686A (en) * | 2013-04-25 | 2013-08-07 | 广东省公路勘察规划设计院股份有限公司 | Manual pipe bit |
| CN107044281A (en) * | 2017-03-07 | 2017-08-15 | 郭精超 | Deep hole sampler |
| CN108953624A (en) * | 2018-08-13 | 2018-12-07 | 四川大学 | Hauberk formula flap valve |
| CN109113610A (en) * | 2018-08-13 | 2019-01-01 | 四川大学 | Core fidelity cabin |
| CN109297748A (en) * | 2018-11-06 | 2019-02-01 | 浙江华厦工程勘测设计研究院有限公司 | A kind of soil layer surveying device and investigation method |
| CN113484075A (en) * | 2021-08-03 | 2021-10-08 | 盖建功 | Controllable soil sample collection system of degree of depth scope |
| CN114910293A (en) * | 2022-05-20 | 2022-08-16 | 成都理工大学 | A portable rock and ore deposit appraisal device for research |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205547U (en) * | 1986-08-05 | 1987-05-27 | 交通部第三航务工程勘察设计院 | Triplex pipe soil sampler with flap door |
| CN2033440U (en) * | 1988-05-07 | 1989-03-01 | *** | Rotation and plug-in type soil picker |
| CN2157979Y (en) * | 1993-03-25 | 1994-03-02 | 童春耕 | Drill bit |
| CN2189203Y (en) * | 1993-07-19 | 1995-02-08 | 铁道部第四勘测设计院 | Apparatus for obtg. soil samples from soft earth |
| CN201673069U (en) * | 2010-05-04 | 2010-12-15 | 张龙云 | Batch-type soil sampler |
| CN202793836U (en) * | 2012-08-13 | 2013-03-13 | 长江勘测规划设计研究有限责任公司 | Covering layer sampler |
-
2012
- 2012-08-13 CN CN2012102868804A patent/CN102818714A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205547U (en) * | 1986-08-05 | 1987-05-27 | 交通部第三航务工程勘察设计院 | Triplex pipe soil sampler with flap door |
| CN2033440U (en) * | 1988-05-07 | 1989-03-01 | *** | Rotation and plug-in type soil picker |
| CN2157979Y (en) * | 1993-03-25 | 1994-03-02 | 童春耕 | Drill bit |
| CN2189203Y (en) * | 1993-07-19 | 1995-02-08 | 铁道部第四勘测设计院 | Apparatus for obtg. soil samples from soft earth |
| CN201673069U (en) * | 2010-05-04 | 2010-12-15 | 张龙云 | Batch-type soil sampler |
| CN202793836U (en) * | 2012-08-13 | 2013-03-13 | 长江勘测规划设计研究有限责任公司 | Covering layer sampler |
Non-Patent Citations (2)
| Title |
|---|
| 朱春润 等译: "《专门工程地质学》", 30 June 1986, 地质出版社 * |
| 编写组: "《体育场馆规划设计建设管理 实务全书》", 31 May 2002, 吉林科学技术出版社 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233686A (en) * | 2013-04-25 | 2013-08-07 | 广东省公路勘察规划设计院股份有限公司 | Manual pipe bit |
| CN107044281A (en) * | 2017-03-07 | 2017-08-15 | 郭精超 | Deep hole sampler |
| CN108953624A (en) * | 2018-08-13 | 2018-12-07 | 四川大学 | Hauberk formula flap valve |
| CN109113610A (en) * | 2018-08-13 | 2019-01-01 | 四川大学 | Core fidelity cabin |
| CN108953624B (en) * | 2018-08-13 | 2023-08-15 | 四川大学 | Lock nail type flap valve |
| CN109297748A (en) * | 2018-11-06 | 2019-02-01 | 浙江华厦工程勘测设计研究院有限公司 | A kind of soil layer surveying device and investigation method |
| CN109297748B (en) * | 2018-11-06 | 2021-01-08 | 中煤浙江勘测设计有限公司 | Soil layer surveying device and method |
| CN113484075A (en) * | 2021-08-03 | 2021-10-08 | 盖建功 | Controllable soil sample collection system of degree of depth scope |
| CN113484075B (en) * | 2021-08-03 | 2022-09-30 | 盖建功 | Controllable soil sample collection system of degree of depth scope |
| CN114910293A (en) * | 2022-05-20 | 2022-08-16 | 成都理工大学 | A portable rock and ore deposit appraisal device for research |
| CN114910293B (en) * | 2022-05-20 | 2023-04-25 | 成都理工大学 | Portable rock and mineral identification device for research |
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Application publication date: 20121212 |