CN201503366U - Hollow cylinder specimen sampling instrument - Google Patents
Hollow cylinder specimen sampling instrument Download PDFInfo
- Publication number
- CN201503366U CN201503366U CN2009202288465U CN200920228846U CN201503366U CN 201503366 U CN201503366 U CN 201503366U CN 2009202288465 U CN2009202288465 U CN 2009202288465U CN 200920228846 U CN200920228846 U CN 200920228846U CN 201503366 U CN201503366 U CN 201503366U
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- hollow cylinder
- increased pressure
- sampling instrument
- sample sampling
- screw
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Abstract
The utility model provides a hollow cylinder specimen sampling instrument at least comprising a base and a pressurizing device arranged on the base, wherein the pressurizing device at least comprises two pressurizing plates which shift mutually; hollow cylinders used as dies are respectively arranged fixedly on the inner sides of the two pressurizing plates; the outer sides of the two pressurizing plates are respectively connected with corresponding sliding blocks in a screw-rod sliding block mechanism; two sections of threads of which the screw directions are opposite are arranged on a screw rod in the screw-rod sliding block mechanism; the two sliding blocks are respectively on two thread sections, and threads matched with the two thread sections on the screw rod are respectively arranged on the two sliding blocks; and the screw rod is connected with a swinging rod in a handle swinging rod mechanism. The hollow cylinder specimen sampling instrument not only can be used for making geotechnical specimens with large density and even density and water capacity, but also the sampling efficiency is high.
Description
Technical field
The utility model relates to a kind of hollow cylinder sample sampling instrument, and this sample making device is a mechanical type manipulated soil sample preparation utensil.
Background technology
The test soil mechanics is one of four big pillars of modern soil mechanics development.Be accompanied by the reach of science, the method for the shearing strength of a large amount of indoor measurement soil successively occurred.Compare with other test method, the hollow cylinder torsional shear instrument has the advantage that a lot of other testing tools do not have: the principle stress that can independently apply three directions to sample, thereby apply moment of torsion by piston rod and sample is applied shear stress with the control torsional displacement, can independently change three principle stresses on the direction in addition, make principal direction of stress that any deflection take place, to simulate the principal direction of stress in the actual soil body.Therefore the mechanical property in the time of can studying native anisotropy in view of the above.But the method and the principle that prepare hollow cylinder sample at present belong to classic compacting process basically.Yet the hollow cylinder soil sample that scientific research, teaching and production practices need must reach 1. density, water cut is even; 2. density is bigger; 3. sample is smooth, the 4. easily requirement of the demoulding, and existing sample preparation instrument but can not satisfy these requirements, thereby has limited applying of this geotechnological instrument of hollow cylinder torsional shear instrument greatly.So in the ground field tests, the hollow cylinder sample that preparation meets the demands has become a ubiquity difficult problem, is badly in need of capturing.
Summary of the invention
For preparing the hollow cylinder sample that meets the demands, the utility model provides a kind of hollow cylinder sample sampling instrument, and this sample making device not only can be prepared density than big and density, the uniform geotechnological sample of water cut, and sample preparation efficient height.
Realize that the technical scheme that the utility model purpose is adopted is a kind of hollow cylinder sample sampling instrument, at least comprise base and the pressue device that is installed on the base, pressue device comprises two increased pressure boards of doing the relative translation campaign at least, be installed with hollow cylinder on two increased pressure board inboards respectively as mould, the outside of two increased pressure boards respectively with the screw mandrel slide block mechanism in corresponding slide block connect, screw mandrel is provided with two sections screw threads that the hand of spiral is opposite in the screw mandrel slide block mechanism, two slide blocks lay respectively on two thread segments, and be respectively equipped with on two slide blocks with screw mandrel on the screw thread that is complementary of two thread segments; Screw mandrel is connected with rocking bar in the handle endplay device.
And two be equipped with trace between slide block and the corresponding increased pressure board, two traces are symmetrically distributed, before trace comprises, two translation bars in back and length, short two connecting links, before, the parallel distribution of back translation bar, preceding translation bar one end is connected with the outside of increased pressure board, the other end is connected by the end of long connecting link with back translation bar, the other end of back translation bar connects with corresponding slide block by short connecting link, and preceding translation bar, long connecting link, back translation bar, short connecting link and corresponding slide block are connected to substantial one, and be preceding, back translation bar is installed on the base by sleeve respectively.Be provided with ball in the sleeve, the bottom of short connecting link be provided with screw axis to vertical pointer.
And two increased pressure boards are discoid, wherein an increased pressure board installed inside has two hollow cylinder A and hollow cylinder B that diameter is different, hollow cylinder A is set in the hollow cylinder B, another piece increased pressure board inboard then is equipped with a hollow cylinder C, hollow cylinder C is intercalated between hollow cylinder A and the hollow cylinder B, and hollow cylinder A, hollow cylinder B and hollow cylinder C, and the central lines of two discoid increased pressure boards.Hollow cylinder A, hollow cylinder B and hollow cylinder C all are installed on the increased pressure board inboard by screw thread.
And being provided with gear drive between screw mandrel and the rocking bar, gear drive is provided with speedup driving gear set and under drive gear group.The screw mandrel slide block mechanism is provided with axial protective cover outward, and axially the protective cover surface indicates scale, and gear drive also is provided with protective cover outward.The base top is equipped with die fixture, die fixture comprises back up pad and supporting base, and be installed on front shoe and rear fixed plate on the supporting base, back up pad is positioned at the below as the hollow cylinder of mould, front shoe is positioned at the place ahead of mould, and rear fixed plate then is positioned at the rear of mould.The base below is provided with bearing.The base top is provided with level indicator.
As shown from the above technical solution, the hollow cylinder sample sampling instrument that the utility model provides drives the screw mandrel with the opposite screw thread of two sections hand of spiral by the handle endplay device and rotates, make with the left slider of left-hand thread section cooperation with the right slide block of right-hand thread section and do relative translation motion, make again simultaneously respectively and also do relative translation motion with two increased pressure boards that a left side or right slide block connect, and be installed with hollow cylinder respectively on two increased pressure board inboards, therefore can prepare hollow cylinder geotechnique sample.
The hollow cylinder sample sampling instrument that the utility model provides has following characteristics:
(1) adopt hand two-way mechanical type to drive, make sample reach evenly stressed effect of both direction, rather than the single load bearing mode that adopts in the classic method, therefore can solve the ubiquitous non-uniformity problems of index such as test sample preparation density, water cut preferably, can guarantee the flatness of sample in addition, can make the very big sample of density, the demoulding easily;
(2) use two groups of gear drives, can in pressure process, realize the coarse adjustment and the fine setting of trace translational speed, be convenient to refined control pressure process more, thereby make more uniform sample;
(3) adopt wind to rotate the kind of drive, can increase the arm of force, effectively reach the labour-saving purpose;
(4), can prepare the hollow cylinder sample of different size according to die size;
(5) realize sample preparation mechanization, sample preparation efficient is largely increased.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Among the figure: 1. hollow cylinder B, 2. hollow cylinder A, 3. hollow cylinder C, 4. left increased pressure board, 5. right increased pressure board, 6. front shoe, 7. rear fixed plate, 8. back up pad, 9. supporting seat, 10. sleeve, 11. traces, 12. left sliders, 13. right slide block, 14. bearings, 15. bearing pins, 16. screw mandrels, 17. axial protective cover, 18. gear drives, 19. rocking bars, 20. handles, 21. level indicator, 22. bearings, 23. bases, 24. pointers
Embodiment
As shown in drawings, base 23 belows of the hollow cylinder sample sampling instrument that the utility model provides are provided with the bearing 22 that is used to regulate base 23 levels, and base 23 whether level can obtain by the bubble that observation is located in the level indicator 21 of base 23 tops.Pressue device is installed on base 23 tops, be installed with hollow cylinder on two increased pressure board inboards of pressue device respectively as mould, two increased pressure boards in the present embodiment, be that left increased pressure board 4 and right increased pressure board 5 are discoid, wherein left increased pressure board 4 installed inside have two hollow cylinder A2 and hollow cylinder B1 that diameter is different, hollow cylinder A2 is set in the hollow cylinder B1, right increased pressure board 5 inboards then are equipped with a hollow cylinder C3, and hollow cylinder A2, hollow cylinder B1 and hollow cylinder C3, and the central lines of two discoid increased pressure boards, when left increased pressure board 4 and 5 relative translations of right increased pressure board are overlapping to hollow cylinder C3 and hollow cylinder A2 and hollow cylinder B1, hollow cylinder C3 is intercalated between hollow cylinder A2 and the hollow cylinder B1 just, during actual the use, hollow cylinder A2, the size of hollow cylinder B1 and hollow cylinder C3 can be determined according to the size of manipulated soil sample.Hollow cylinder A2, hollow cylinder B1 and hollow cylinder C3 all are installed on the inboard of corresponding increased pressure board by screw thread.For guaranteeing hollow cylinder A2, hollow cylinder B1 and hollow cylinder C3, and the central lines of two discoid increased pressure boards, base 23 tops are equipped with die fixture, die fixture comprises back up pad 8 and supporting base 9, and be installed on front shoe 6 and rear fixed plate 7 on the supporting base 9, back up pad 8 is positioned at the below as the hollow cylinder of mould, and front shoe 6 is positioned at the place ahead of mould, 7 rears that are positioned at mould of rear fixed plate.Regulate front shoe 6, rear fixed plate 7 and lower supporting plate 8, the center line that can guarantee the center line of three hollow cylinders and left and right two increased pressure boards 4,5 is on same straight line, and die fixture also can play the good supporting effect.Left side increased pressure board 4, the outside of right increased pressure board 5 is respectively by corresponding slide block connection in trace 11 and the screw mandrel slide block mechanism, two traces 11 are symmetrically distributed, before trace 11 comprises, two translation bars in back and length, short two connecting links, before, the parallel distribution of back translation bar, preceding translation bar one end is connected with the outside of increased pressure board, the other end is connected by the end of long connecting link with back translation bar, the other end of back translation bar connects with corresponding slide block by short connecting link, and preceding translation bar, long connecting link, back translation bar, short connecting link and corresponding slide block are connected to substantial one, before, back translation bar is installed on the base 23 by the interior sleeve 10 that is provided with ball respectively, the bottom of short connecting link also can be provided with screw axis to vertical pointer 24; The screw mandrel 16 of screw mandrel slide block mechanism is installed on the base 23 by bearing 14 and bearing pin 15, screw mandrel 16 is provided with two sections screw threads that the hand of spiral is opposite, be left-hand thread section and right-hand thread section, the slide block that cooperates with the left-hand thread section is a left slider 12, the slide block that cooperates with the right-hand thread section is right slide block 13, be respectively equipped with on two slide blocks with screw mandrel on a left side, the screw thread that the right-hand thread section is complementary, be to be carved with left-hand thread (LHT) on the left-hand thread section, when being carved with right-hand thread on the right-hand thread section, 12 of left sliders are carved with the screw thread that matches with left-hand thread (LHT), right slide block 13 is carved with the screw thread that matches with right-hand thread; Perhaps be carved with on the left-hand thread section when being carved with left-hand thread (LHT) on right-hand thread, the right-hand thread section, 12 of left sliders are carved with the screw thread, the right slide block 13 that match with right-hand thread and are carved with the screw thread that matches with left-hand thread (LHT); Two slide blocks along screw mandrel do the relative translation campaign; Screw mandrel 16 is driven by the rocking bar in the handle endplay device 19, transmission for 16 of joystick endplay device and screw mandrels, be provided with gear drive 18 between screw mandrel 16 and the rocking bar 19, present embodiment middle gear gear train is provided with one group of speedup driving gear set and one group of under drive gear group simultaneously, the under drive gear group breaks away from, the engagement of speedup driving gear set the time can make trace 11 move with fast speed, the speedup driving gear set breaks away from, can make trace 11 slowly to move during the engagement of under drive gear group, to be implemented in the pressure process, be convenient to refined control pressure process more to the coarse adjustment and the fine setting of trace 11 translational speeds.For preventing to fall into earth and other foreign material in the drive disk assembly in geotechnological experimentation, screw mandrel is provided with axial protective cover 17 outward, and gear drive also is provided with protective cover outward.Axially protective cover 17 surfaces also indicate scale, can realize reinventing the accurate control of soil sample pressurization degree by this scale and the pointer 24 that is positioned at short connecting link bottom.
When using this hollow cylinder sample sampling instrument, evenly be placed in the embedded space of left increased pressure board 4, hollow cylinder B1 and hollow cylinder A2 formation, vibrate slightly modulating the test specimen layering.The even firmly handle 20 of turning handle endplay device, drive screw mandrel 16 rotations by gear drive 18, screw mandrel 16 drives a left side again, right slide block moves, a left side, right slide block makes a left side by trace again, right increased pressure board moves to the middle part under the drive of trace together with three hollow cylinders, specimen sample in hollow cylinder B1 and the embedded space of hollow cylinder A2, pressurized plate 4, hollow cylinder C3 gradually reduces, by the position control sample pressurization degree of indicated axial protective cover 17 figures of pointer 24, can controlled manipulated soil sample under certain density and water percentage.When the handle 20 of counter-rotation handle endplay device, hollow cylinder B1, hollow cylinder A2 and hollow cylinder C3 are stood away fully after, can carry out the demoulding.
Claims (10)
1. hollow cylinder sample sampling instrument, at least comprise base and the pressue device that is installed on the base, it is characterized in that: pressue device comprises two increased pressure boards of doing the relative translation campaign at least, be installed with hollow cylinder on two increased pressure board inboards respectively as mould, the outside of two increased pressure boards respectively with the screw mandrel slide block mechanism in corresponding slide block connect, screw mandrel is provided with two sections screw threads that the hand of spiral is opposite in the screw mandrel slide block mechanism, two slide blocks lay respectively on two thread segments, and be respectively equipped with on two slide blocks with screw mandrel on the screw thread that is complementary of two thread segments; Screw mandrel is connected with rocking bar in the handle endplay device.
2. hollow cylinder sample sampling instrument according to claim 1, it is characterized in that: be equipped with trace between two slide blocks and the corresponding increased pressure board, two traces are symmetrically distributed, before trace comprises, two translation bars in back and length, short two connecting links, before, the parallel distribution of back translation bar, preceding translation bar one end is connected with the outside of increased pressure board, the other end is connected by the end of long connecting link with back translation bar, the other end of back translation bar connects with corresponding slide block by short connecting link, and preceding translation bar, long connecting link, back translation bar, short connecting link and corresponding slide block are connected to substantial one, and be preceding, back translation bar is installed on the base by sleeve respectively.
3. hollow cylinder sample sampling instrument according to claim 2 is characterized in that: be provided with ball in the sleeve, the bottom of short connecting link be provided with screw axis to vertical pointer.
4. hollow cylinder sample sampling instrument according to claim 1 and 2, it is characterized in that: two increased pressure boards are discoid, wherein an increased pressure board installed inside has two hollow cylinder A and hollow cylinder B that diameter is different, hollow cylinder A is set in the hollow cylinder B, another piece increased pressure board inboard then is equipped with a hollow cylinder C, hollow cylinder C is intercalated between hollow cylinder A and the hollow cylinder B, and hollow cylinder A, hollow cylinder B and hollow cylinder C, and the central lines of two discoid increased pressure boards.
5. hollow cylinder sample sampling instrument according to claim 4 is characterized in that: hollow cylinder A, hollow cylinder B and hollow cylinder C all are installed on the increased pressure board inboard by screw thread.
6. hollow cylinder sample sampling instrument according to claim 1 and 2 is characterized in that: be provided with gear drive between screw mandrel and the rocking bar, gear drive is provided with one group of speedup driving gear set and one group of under drive gear group.
7. hollow cylinder sample sampling instrument according to claim 6 is characterized in that: the screw mandrel slide block mechanism is provided with axial protective cover outward, and axially the protective cover surface indicates scale, and gear drive also is provided with protective cover outward.
8. hollow cylinder sample sampling instrument according to claim 1 and 2, it is characterized in that: the base top is equipped with die fixture, die fixture comprises back up pad and supporting base, and be installed on front shoe and rear fixed plate on the supporting base, back up pad is positioned at the below as the hollow cylinder of mould, front shoe is positioned at the place ahead of mould, and rear fixed plate then is positioned at the rear of mould.
9. hollow cylinder sample sampling instrument according to claim 1 and 2 is characterized in that: the base below is provided with bearing.
10. hollow cylinder sample sampling instrument according to claim 1 and 2 is characterized in that: the base top is provided with level indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202288465U CN201503366U (en) | 2009-10-14 | 2009-10-14 | Hollow cylinder specimen sampling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202288465U CN201503366U (en) | 2009-10-14 | 2009-10-14 | Hollow cylinder specimen sampling instrument |
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| Publication Number | Publication Date |
|---|---|
| CN201503366U true CN201503366U (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202288465U Expired - Fee Related CN201503366U (en) | 2009-10-14 | 2009-10-14 | Hollow cylinder specimen sampling instrument |
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| CN (1) | CN201503366U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901660A (en) * | 2012-10-16 | 2013-01-30 | 绍兴文理学院 | Rotary rod type three-shaft sample preparation device and sample preparation method thereof |
| CN102914458A (en) * | 2012-10-16 | 2013-02-06 | 绍兴文理学院 | Sample preparing device for remolded soil direct shear test sample and sample preparing method thereof |
| CN103244113A (en) * | 2013-05-08 | 2013-08-14 | 常州大学 | Hollow core model manufacturing device |
| CN103411811A (en) * | 2013-08-21 | 2013-11-27 | 中国科学院武汉岩土力学研究所 | Sample preparation device for ring shearing experiment of soil body under water-chemistry condition |
| CN103900872A (en) * | 2014-03-18 | 2014-07-02 | 河海大学 | Vacuum preload preparing device and method of remolding soft clay hollow cylinder sample |
| CN103983486A (en) * | 2014-03-26 | 2014-08-13 | 江苏省沙钢钢铁研究院有限公司 | Apparatus and method of preparing micro coked sample for coke microstructure determination |
| CN106018029A (en) * | 2016-06-15 | 2016-10-12 | 河南理工大学 | Experimental device and method for manufacturing transparent rock mass cylinder sample |
| CN103900872B (en) * | 2014-03-18 | 2016-11-30 | 河海大学 | Reinvent vacuum preloading preparation facilities and the method for soft clay hollow cylinder sample |
| CN106644586A (en) * | 2016-12-23 | 2017-05-10 | 贵州大学 | Portable manual sampling device |
| CN106918485A (en) * | 2017-04-06 | 2017-07-04 | 中国矿业大学 | A kind of specified moisture content hollow cylinder bentonite sample preparation device and method |
| CN107389423A (en) * | 2017-07-06 | 2017-11-24 | 河海大学 | The top cover positioner and localization method of a kind of hollow cylinder sample |
| CN108597344A (en) * | 2018-07-13 | 2018-09-28 | 江苏科技大学 | The experimental provision and its application method of vortex-induced vibration in the steady motion of a fluid |
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- 2009-10-14 CN CN2009202288465U patent/CN201503366U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914458A (en) * | 2012-10-16 | 2013-02-06 | 绍兴文理学院 | Sample preparing device for remolded soil direct shear test sample and sample preparing method thereof |
| CN102914458B (en) * | 2012-10-16 | 2014-08-13 | 绍兴文理学院 | Sample preparing device for remolded soil direct shear test sample and sample preparing method thereof |
| CN102901660B (en) * | 2012-10-16 | 2014-08-13 | 绍兴文理学院 | Rotary rod type three-shaft sample preparation device and sample preparation method thereof |
| CN102901660A (en) * | 2012-10-16 | 2013-01-30 | 绍兴文理学院 | Rotary rod type three-shaft sample preparation device and sample preparation method thereof |
| CN103244113A (en) * | 2013-05-08 | 2013-08-14 | 常州大学 | Hollow core model manufacturing device |
| CN103411811A (en) * | 2013-08-21 | 2013-11-27 | 中国科学院武汉岩土力学研究所 | Sample preparation device for ring shearing experiment of soil body under water-chemistry condition |
| CN103900872A (en) * | 2014-03-18 | 2014-07-02 | 河海大学 | Vacuum preload preparing device and method of remolding soft clay hollow cylinder sample |
| CN103900872B (en) * | 2014-03-18 | 2016-11-30 | 河海大学 | Reinvent vacuum preloading preparation facilities and the method for soft clay hollow cylinder sample |
| CN103983486B (en) * | 2014-03-26 | 2017-03-08 | 江苏省沙钢钢铁研究院有限公司 | A kind of micro- coking sample preparation device for coke microscopic structure mensure and method |
| CN103983486A (en) * | 2014-03-26 | 2014-08-13 | 江苏省沙钢钢铁研究院有限公司 | Apparatus and method of preparing micro coked sample for coke microstructure determination |
| CN106018029A (en) * | 2016-06-15 | 2016-10-12 | 河南理工大学 | Experimental device and method for manufacturing transparent rock mass cylinder sample |
| CN106644586A (en) * | 2016-12-23 | 2017-05-10 | 贵州大学 | Portable manual sampling device |
| CN106918485A (en) * | 2017-04-06 | 2017-07-04 | 中国矿业大学 | A kind of specified moisture content hollow cylinder bentonite sample preparation device and method |
| CN107389423A (en) * | 2017-07-06 | 2017-11-24 | 河海大学 | The top cover positioner and localization method of a kind of hollow cylinder sample |
| CN107389423B (en) * | 2017-07-06 | 2019-11-05 | 河海大学 | A kind of the top cover positioning device and localization method of hollow cylinder sample |
| CN108597344A (en) * | 2018-07-13 | 2018-09-28 | 江苏科技大学 | The experimental provision and its application method of vortex-induced vibration in the steady motion of a fluid |
| CN108597344B (en) * | 2018-07-13 | 2023-12-22 | 江苏科技大学 | Experimental device for vortex-induced vibration in constant flow and application method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20121014 |