CN103196699A - Static cutting table for frozen earth - Google Patents

Static cutting table for frozen earth Download PDF

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Publication number
CN103196699A
CN103196699A CN201310104759XA CN201310104759A CN103196699A CN 103196699 A CN103196699 A CN 103196699A CN 201310104759X A CN201310104759X A CN 201310104759XA CN 201310104759 A CN201310104759 A CN 201310104759A CN 103196699 A CN103196699 A CN 103196699A
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China
Prior art keywords
cutting bed
cutting
frozen soil
top board
base plate
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Pending
Application number
CN201310104759XA
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Chinese (zh)
Inventor
田亚护
吕鹏
刘建坤
沈宇鹏
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Beijing Jiaotong University
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Beijing Jiaotong University
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Priority to CN201310104759XA priority Critical patent/CN103196699A/en
Publication of CN103196699A publication Critical patent/CN103196699A/en
Pending legal-status Critical Current

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  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to a static cutting table for frozen earth. The static cutting table comprises a cutting table support and a cutting table cutting device, wherein the cutting table support comprises a top plate, a base plate and supporting columns, the cutting table cutting device comprises a jack and a cutter, the top plate and the base plate are fixedly connected by the supporting columns, the jack is fixedly arranged on the bottom of the top plate, and an ejector rod of the jack is fixedly connected with the cutter. The static cutting table for the frozen earth disclosed by the invention can simply and quickly cut frozen earth samples, does not cause influence to thermal physical states of the frozen earth samples and ensures the precision and the accuracy of experimental research.

Description

A kind of frozen soil static(al) cutting bed
Technical field
The present invention relates to technical field of civil engineering, relate in particular to a kind of frozen soil static(al) cutting bed that under the condition that does not influence the hot physical state of frozen soil, the frozen soil soil sample is carried out fly-cutting.
Background technology
In the scientific research of frozen soil engineering; regular meeting runs into and wants measuring frozen at the state parameter through water, heat, the inner a certain position of the later on a certain moment frozen soil of power effect when carrying out the frozen soil experiment; this need take a sample to the frozen soil soil body usually; namely do not influencing the frozen soil state of nature especially under the situation of hydro-thermal state, the frozen soil soil body is being cut take out a part of sample fast from the inner assigned address of frozen soil and carry out related experiment.
Because the soil body its intensity under frozen state increases rapidly with the reduction of temperature, generally adopting the geotechnological very difficult quick sampling purpose that realizes frozen soil of artificial cutter blanking method of testing in the standard below-2 ℃, and with the increase of sample time, certain change also can take place in the hot physical state of frozen soil, thereby influences precision and the accuracy of experimental study.As adopt the power cutting sampling can be because of the hot physical state of the frictional heat havoc frozen soil of cutter and frozen soil, can cut frozen soil quickly and easily by frozen soil static(al) cutting bed, and can the hot physical state of the frozen soil soil body not impacted, guaranteed precision and the accuracy of experimental study.
Summary of the invention
The technical problem to be solved in the present invention is at the defective of frozen soil sampling technique in present geotechnique's experiment standard, and a kind of frozen soil static(al) cutting bed that is exclusively used in sampling in the frozen soil experiment is provided.This cutting bed is realized quickly and easily frozen soil being carried out cutting sampling under the condition that does not influence the hot physical state of frozen soil.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of frozen soil static(al) cutting bed comprises cutting bed bearing and cutting bed cutter sweep, and described cutting bed bearing comprises top board, base plate and support column, and described top board and base plate are affixed by support column; Described cutting bed cutter sweep comprises lifting jack and cutting knife, and described lifting jack is packed on the bottom surface of top board, and push rod and the cutting knife of described lifting jack are affixed.
Further, described cutting bed cutter sweep also comprises slide bar, and described slide bar is between top board and base plate, and the two ends of described slide bar are affixed with top board and base plate respectively.Described cutting knife cutter hub is provided with the chute that is complementary with slide bar, and described slide bar is in chute.
Further, be respectively equipped with big screw and little screw on the described top board He on the base plate, the two ends of described support column are respectively equipped with the screw thread that is complementary with big screw, and the two ends of described slide bar are respectively equipped with the screw thread that is complementary with little screw.
Further, described lifting jack is provided with for the rocking handle that drives lifting jack.
Further, described cutting knife cutter hub is provided with groove, and the push rod of described lifting jack is fixedly installed in the groove matchingly.
Further, the top board in the described cutting bed bearing and the base plate steel plate that is respectively length and width 300mm * 200mm, thick 30mm.
Further, described support column is the stainless-steel pipe of diameter 30mm, long 670mm.
Further, described cutting knife is made by Aldecor, described cutting knife vertical height 130mm, thickness 20mm; The cutting knife edge of a knife is isosceles triangle, vertical height 20mm, described cutting knife thickness of knife edge 1mm.
Further, the maximum cutting force of described cutting knife is 5 tons.
The present invention can cut the frozen soil soil sample quickly and easily, and can the hot physical state of frozen soil soil sample not impacted, and has guaranteed precision and the accuracy of experimental study.
Below in conjunction with accompanying drawing a kind of frozen soil static(al) cutting bed of the present invention is described further.
Description of drawings
Fig. 1 is the cutting bed seat structure synoptic diagram of a kind of frozen soil static(al) of the present invention cutting bed;
Fig. 2 is the cutting bed cutter sweep structural representation of a kind of frozen soil static(al) of the present invention cutting bed;
Fig. 3 is the application synoptic diagram of a kind of frozen soil static(al) of the present invention cutting bed.
Each mark is as follows among the figure: 1 top board, 2 support columns, 3 base plates, 4 big screws, 5 little screws, 6 lifting jack, 7 chutes, 8 slide bars, 9 rocking handles, 10 grooves, 11 cutting knifes, 12 frozen soil soil samples, 13 push rods.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the invention provides a kind of frozen soil static(al) cutting bed, this cutting bed comprises cutting bed bearing and cutting bed cutter sweep, described cutting bed bearing comprises top board 1, base plate 3 and four support columns 2; On the described top board 1 and base plate 3 on be respectively equipped with four big screws 4 and two little screws 5.The two ends of described support column 2 are respectively equipped with the screw thread that is complementary with described big screw 4, and big screw 4 set on the upper end of support bar 2 and the top board 1 is spirally connected, and big screw 4 corresponding on the lower end of described support bar 2 and the base plate 3 is spirally connected.
Described cutting bed cutter sweep comprises lifting jack 6 and cutting knife 11, and described lifting jack 6 is packed on the bottom surface of top board 1, and described lifting jack 6 is provided with for the rocking handle 9 that drives lifting jack 6.Described cutting knife 11 cutter hubs are provided with groove 10, and the push rod 13 of described lifting jack 6 is fixedly installed in the groove 10 matchingly.
Described cutting bed cutter sweep also comprises two slide bars 8, the two ends of described slide bar 8 are respectively equipped with the screw thread that is complementary with described little screw 5, little screw 5 set on the upper end of described slide bar 8 and the top board 1 is spirally connected, and little screw 5 corresponding on the lower end of described slide bar 8 and the base plate 3 is spirally connected.
Described cutting knife 11 cutter hubs are provided with the chute 7 that is complementary with slide bar 8, and described slide bar 8 is arranged in the chute 7.
Top board 1 in the described bearing cutting bed and base plate 3 are respectively the steel plate of length and width 300 * 200mm, thick 30mm; Support column 2 is the stainless-steel pipe of diameter 30mm, long 670mm.Described cutting knife 11 is made by High-Strength Low-Alloy (HSLA) steel, described cutting knife 11 vertical height 130mm, thickness 20mm; The cutting knife edge of a knife is isosceles triangle, vertical height 20mm, described cutting knife thickness of knife edge 1mm.The maximum cutting force of described cutting knife 11 can reach 5 tons.
Lifting jack 6 in the described cutting bed cutter sweep is fixed on the bottom surface of top board 1, and fixedly connected with cutting knife 11 by groove 10, cutting knife 11 can slide along slide bar 8 easy on and off by the chute 7 on its cutter hub both sides, its range 270mm, but cutting diameter 200mm is with interior any cylindrical frozen soil soil sample 12.
Make lifting jack 6 that static(al) output is provided by artificial rotation crank 9, promote to be installed in the cutting knife 11 on the push rod 13 from the top down, can simply cut frozen soil soil sample 12 fast.
During use, earlier base plate 3 is placed on the level ground, four support columns 2, two slide bars 8 and top board 1 are installed then; Then adopt lifting jack 6 screws to be fixed on the centre position of top board 1 bottom surface, again the push rod 13 of lifting jack 6 is fixedly mounted in the groove 10 of cutting knife 11 at last.
During practical operation, at first oppositely shaking the rocking handle 9 of lifting jack 6 mentions cutting knife 11 to proper height, frozen soil soil sample 12 is put in (as shown in Figure 3) on the base plate 3, slowly adjusting cutter location then makes it behind the cutting position of frozen soil soil sample 12, rapidly rotation crank 9 makes the push rod 13 of lifting jack 6 promote cutting knifes 11 to move down and form cutting to frozen soil soil sample 12, extracts required sample and detects analysis from cutting the position more at last.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims (9)

1. frozen soil static(al) cutting bed, it is characterized in that: comprise cutting bed bearing and cutting bed cutter sweep, described cutting bed bearing comprises top board (1), base plate (3) and support column (2); Described top board (1) and base plate (3) are fixed together by support column (2);
Described cutting bed cutter sweep comprises lifting jack (6) and cutting knife (11), and described lifting jack (6) is packed on the bottom surface of top board (1), and the push rod (13) of described lifting jack (6) is affixed with cutting knife (11).
2. a kind of frozen soil static(al) cutting bed according to claim 1, it is characterized in that: described cutting bed cutter sweep also comprises slide bar (8), described slide bar (8) is installed between top board (1) and the base plate (3), the two ends of described slide bar (8) are affixed with top board (1) and base plate (3) respectively, described cutting knife (11) cutter hub is provided with the chute (7) that is complementary with slide bar (8), and described slide bar (8) is arranged in the chute (7).
3. a kind of frozen soil static(al) cutting bed according to claim 1, it is characterized in that: be respectively equipped with big screw (4) and little screw (5) on the described top board on (1) and the base plate (3), the two ends of described support column (2) are respectively equipped with the screw thread that is complementary with big screw (4), and the two ends of described slide bar (8) are respectively equipped with the screw thread that is complementary with little screw (5).
4. a kind of frozen soil static(al) cutting bed according to claim 1 is characterized in that: described lifting jack (6) is provided with for the rocking handle (9) that drives lifting jack (6).
5. a kind of frozen soil static(al) cutting bed according to claim 1, it is characterized in that: described cutting knife (11) cutter hub is provided with groove (10), and the push rod (13) of described lifting jack (6) is fixedly installed in the groove (10) matchingly.
6. a kind of frozen soil static(al) cutting bed according to claim 1, it is characterized in that: the top board (1) in the described cutting bed bearing and base plate (3) are respectively the steel plate of length and width 300mm * 200mm, thick 30mm.
7. a kind of frozen soil static(al) cutting bed according to claim 1, it is characterized in that: described support column 2 is the stainless-steel pipe of diameter 30mm, long 670mm.
8. a kind of frozen soil static(al) cutting bed according to claim 1, it is characterized in that: described cutting knife (11) is made by Aldecor, described cutting knife (11) vertical height 130mm, thickness 20mm; The cutting knife edge of a knife is isosceles triangle, vertical height 20mm, described cutting knife thickness of knife edge 1mm.
9. a kind of frozen soil static(al) cutting bed according to claim 8, it is characterized in that: the maximum cutting force of described cutting knife (11) is 5 tons.
CN201310104759XA 2013-03-28 2013-03-28 Static cutting table for frozen earth Pending CN103196699A (en)

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CN201310104759XA CN103196699A (en) 2013-03-28 2013-03-28 Static cutting table for frozen earth

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CN201310104759XA CN103196699A (en) 2013-03-28 2013-03-28 Static cutting table for frozen earth

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CN103196699A true CN103196699A (en) 2013-07-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104280262A (en) * 2014-09-04 2015-01-14 中山大学 Three-direction cutting ring soil sample cutting instrument
CN106996888A (en) * 2017-05-15 2017-08-01 东北农业大学 A kind of original state frozen soil and ice sample preparation device
CN110514506A (en) * 2019-08-13 2019-11-29 北京建筑大学 Soil pattern preparation facilities

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11241980A (en) * 1998-02-25 1999-09-07 Dia Consultant:Kk Shaping method of soft rock material and frozen earth and shaping device thereof
CN2452646Y (en) * 2000-08-30 2001-10-10 孙景全 Multi-funcltional man powder type pressure rivetting machine
CN201265156Y (en) * 2008-09-26 2009-07-01 大庆油田有限责任公司 Frozen earth sample preparation machine
CN102169062A (en) * 2011-01-21 2011-08-31 西北大学 Sample cutter for preparing undisturbed loess sample for triaxial test
CN202216866U (en) * 2011-08-09 2012-05-09 上海市政工程设计研究总院(集团)有限公司 Special sample cutting and withdrawing device for geotechnical test

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11241980A (en) * 1998-02-25 1999-09-07 Dia Consultant:Kk Shaping method of soft rock material and frozen earth and shaping device thereof
CN2452646Y (en) * 2000-08-30 2001-10-10 孙景全 Multi-funcltional man powder type pressure rivetting machine
CN201265156Y (en) * 2008-09-26 2009-07-01 大庆油田有限责任公司 Frozen earth sample preparation machine
CN102169062A (en) * 2011-01-21 2011-08-31 西北大学 Sample cutter for preparing undisturbed loess sample for triaxial test
CN202216866U (en) * 2011-08-09 2012-05-09 上海市政工程设计研究总院(集团)有限公司 Special sample cutting and withdrawing device for geotechnical test

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104280262A (en) * 2014-09-04 2015-01-14 中山大学 Three-direction cutting ring soil sample cutting instrument
CN106996888A (en) * 2017-05-15 2017-08-01 东北农业大学 A kind of original state frozen soil and ice sample preparation device
CN110514506A (en) * 2019-08-13 2019-11-29 北京建筑大学 Soil pattern preparation facilities
CN110514506B (en) * 2019-08-13 2024-04-05 北京建筑大学 Soil sample preparation device

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Application publication date: 20130710