CN109668769B - Soil column sampling machine - Google Patents
Soil column sampling machine Download PDFInfo
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- CN109668769B CN109668769B CN201910153244.6A CN201910153244A CN109668769B CN 109668769 B CN109668769 B CN 109668769B CN 201910153244 A CN201910153244 A CN 201910153244A CN 109668769 B CN109668769 B CN 109668769B
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- 238000005070 sampling Methods 0.000 title claims abstract description 40
- 239000002689 soil Substances 0.000 title claims description 87
- 238000002360 preparation method Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 71
- 239000010959 steel Substances 0.000 claims description 71
- 238000004080 punching Methods 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
Abstract
The invention belongs to the field of geotechnical tests and discloses an earth pillar sampling machine which comprises a base, a base rack, a limiting assembly, a driving assembly, a supporting bracket, a stamping plate, a mold plate, a spring, a sampling cylinder and a cushion block, wherein the base rack is welded at the upper end of the base, the driving assembly is supported at the upper end of the supporting bracket, the driving assembly drives the stamping plate to vertically slide, the mold plate horizontally slides between the base racks, the sampling cylinder is placed on the mold plate, the cushion block is arranged at the upper side of the sampling cylinder, the limiting assembly is fixedly arranged on the base rack, the lower end of the spring is abutted against the base, the earth pillar sampling machine is simple in structure, convenient to operate, accurate and efficient, the earth pillar is uniformly stressed in the sampling process, the manufactured earth pillar is basically consistent in height, flatness and dry density, and the manufactured quality can meet the test teaching requirements of scientific research and earth pillar high-, and greatly improve the preparation efficiency of earth pillar, saved a large amount of manpowers.
Description
Technical Field
The invention relates to a soil column sampling machine, and belongs to the technical field of soil tests.
Background
Consolidation tests, direct shear tests and density tests are all common geotechnical tests. The consolidation parameters of the soil sample under the pressure action can be obtained through a consolidation test and are used for evaluating the settlement amount and the settlement time of the soil layer under the upper load action, the shear strength parameters of the soil sample can be obtained through a direct shear test, used for evaluating the strength of the soil body and carrying out stability calculation analysis, the natural density of undisturbed soil can be determined through a density test, whether the consolidation test, the direct shear test or the density test, in the test, the earth pillars (with the diameter of 6.18cm and the height of 2.0cm) with the same specification and size are taken as test objects, for the geotechnical test of colleges and universities, a round cake-shaped large earth pillar with the diameter of 7.3cm and the height of 2.5cm needs to be manufactured in advance, the method is characterized in that a college student uses a cutting ring to manufacture a round cake-shaped large soil column with the diameter of 7.3cm and the height of 2.5cm into a standard soil column with the diameter of 6.18cm and the height of 2.0cm in the experiment teaching so as to meet the requirements of direct shear test, consolidation test and density test on the test soil sample.
The preparation of the sample of the disturbed soil is a basic part in geotechnical engineering tests, the preparation of the soil sample is a necessary step for obtaining relevant parameters, and the preparation quality and the preparation method of the soil sample are the key and the premise of the accuracy of the obtained parameters.
According to the regulations of soil engineering test (SL 237-1999), there are three methods commonly used for sample preparation: sample hitting method, compaction method and pressing method. The sample hitting method is to hit soil into the cutting ring by a hitting method, although the method is simple and easy to operate, the structure and other related physical and mechanical properties of the soil are affected due to the impact load of the soil sample in the hitting process, and the deviation is brought to the later research. The compaction method comprises compacting the soil sample to required density, pushing out with a soil pusher, cutting the soil sample into a column with diameter slightly larger than that of the cutting ring with a soil cutter, pressing down the cutting ring vertically, and compacting while cutting until the soil sample extends out of the cutting ring and the residual soil at both ends is leveled. Although the method avoids the influence of impact load on the soil sample in the sample preparation process, the operation is complex, the requirement on the manual operation technology is high, and the efficiency is low. The sample pressing method is that wet soil weighed in advance is loaded into a cutting ring sample pressing device, and then the soil is pressed into a cutting ring through static pressure. The sample pressing method is the most common method for preparing samples by disturbing soil, the operation is relatively simple, soil bodies cannot be disturbed by impact load, but the height, the flatness and the dry density of samples are difficult to keep consistent when the sample pressing method is adopted, holes can be formed in the soil bodies, static pressure demoulding is generally provided by a jack, operation procedures are increased, only one sample can be prepared at one time, the efficiency is low, the requirement of teaching tests of colleges and universities on a cake-shaped large soil column is difficult to meet, the stable obtaining of relevant parameters of the soil column is also restricted, the deep research and engineering application of the parameters of soil column physical mechanics and the like are hindered, and the research on soil column sample preparing equipment is very necessary.
Disclosure of Invention
The invention aims to provide a soil column sampling machine, which aims to solve the problems in the background technology, has the advantages of simple structure, convenient operation, accuracy and high efficiency, uniform stress on a soil column in the sampling process, basically consistent height, flatness and dry density of the manufactured soil column, capability of meeting the test teaching requirements of scientific research and geotechnical tests in colleges and universities, greatly improved manufacturing efficiency of the soil column and saving a large amount of manpower.
In order to achieve the purpose, the invention provides an earth pillar sampling machine which comprises a base, base racks, a limiting assembly, a driving assembly, a supporting bracket, a stamping plate, a mold plate, a spring, a sampling cylinder and a cushion block, wherein the base racks are welded at the upper ends of the bases, the driving assembly is supported at the upper ends of the supporting brackets, the driving assembly drives the stamping plate to vertically slide, the mold plate horizontally slides between the base racks, the sampling cylinder is placed on the mold plate, the cushion block is placed on the upper side of the sampling cylinder, the limiting assembly is fixedly arranged on the base racks, and the lower ends of the springs are abutted to the bases.
In an embodiment, the support bracket comprises a first beam, a second beam, a third beam, a fourth beam, a fifth beam and a cap-shaped steel plate, the first beam and the second beam are respectively and symmetrically welded at two ends of the stamping plate, the third beam is welded at the center of the upper sides of the first beam and the second beam, a vertically movable screw rod is arranged at the upper side of the center of the third beam, two bottom end pedestals of the cap-shaped steel plate are respectively welded on the fourth beam and the fifth beam and are reinforced and fixed by a quincunx nut, a hollow cylinder is arranged at the center of the cap-shaped steel plate, and the screw rod penetrates through the cap-shaped steel plate and the center of the hollow cylinder
In one embodiment, the inner wall of the hollow cylinder is provided with threads, and the outer wall of the screw rod is in threaded fit transmission with the inner wall of the hollow cylinder
In an embodiment, the mould board is a rectangle flat board, the processing of the vertical both ends of mould board bottom surface has one row of V-arrangement groove, the inboard fixed six copper cakes that are provided with of mould board top surface, and two rows of three rows equidistance set up, the fixed round hole and the annular groove that are provided with in mould board top surface outside, the round hole is located annular groove central authorities, six groups altogether, and two rows of three rows equidistance distribute, mould board top surface is equallyd divide equally to mould board top surface inboard and the top surface outside, copper cake diameter 73.00mm is high to be 5mm, round hole diameter 77mm, the annular groove external diameter is 88mm, and the internal diameter is 77mm, and the degree of depth is 5mm
In one embodiment, a row of V-shaped grooves are processed on the top end face of the base rack, a plurality of rolling sliding balls are installed in the V-shaped grooves, the rolling sliding balls are supported and fixed through a ball supporting thin plate, and the ball supporting thin plate is embedded on the upper surfaces of the V-shaped grooves
In one embodiment, the limiting assembly comprises an angle steel and a fixing plate, and the length ratio of the transverse edge to the vertical edge of the angle steel is 1: 3, the lower sides of the vertical edges are welded on the outer side edges of the transverse supports of the two base racks, the upper sides of the vertical edges of the angle steel and the transverse edges of the angle steel are not in contact with the die plate, and the lower sides of the fixing pieces are welded on the rear side edges of the V-shaped grooves of the base racks
In an embodiment, the stamping plate is a rectangular flat plate, the top surface of the stamping plate is welded with the first cross beam and the second cross beam, the inner side of the bottom surface of the stamping plate is a smooth plane, the outer side of the bottom surface of the stamping plate is provided with six steel columns with the same size, the bottom surface of the stamping plate is equally divided with the inner side of the bottom surface of the stamping plate, the diameter of each steel column is 14mm, the length of each steel column is 55mm, a steel disc is welded at the bottom end of each steel column, the diameter of each steel column is 73mm, the thickness of each steel column is 5mm, and each steel column can vertically penetrate through a corresponding round hole in a lower die plate
In one embodiment, the four springs are respectively arranged at four corners of the base, the springs are respectively wound on a connecting rod with the diameter of 12mm, the lower end of each spring is abutted against the base, the upper end of each spring is abutted against a steel ring, the arrangement structure of the four springs is the same, the lower end of each connecting rod is connected with the base in a welding mode, the steel ring, the first cross beam, the second cross beam, the rubber gasket, the fourth cross beam and the fifth cross beam penetrate through the middle of each connecting rod, threads are machined on the inner walls of round holes in the upper end of each connecting rod, the inner walls of the round holes in the fourth cross beam and the inner walls of the round holes in the fifth cross beam, the upper end of each connecting rod and the inner walls of the round holes in the fourth cross beam and the round holes in the fifth cross beam can be connected with each other, and are fixed through quincunx nuts
In one embodiment, the steel ring is sleeved on the connecting rod, one end of the steel ring is abutted to the spring, the other end of the steel ring is abutted to the stamping plate, the steel ring can vertically slide on the connecting rod, the rubber gasket is also sleeved on the connecting rod, and when external force is not applied to the turntable, the upper end of the rubber gasket is slightly contacted with the fourth cross beam and the fifth cross beam.
According to the invention, by adding the base, the base rack, the limiting component, the driving component, the supporting bracket, the stamping plate, the die plate, the sample preparation cylinder and the cushion block, the design effectively prevents the sample preparation cylinder and the die plate from moving relative to the base rack under the action of the stamping plate under the pre-fixing action of the copper cake and the annular groove on the die plate and the blocking action of the limiting component during stamping, so that the sample preparation cylinder and the die plate are not easy to deviate from the original positions, the stamping precision is improved, the lead screw is used for driving the stamping plate to move towards the sample preparation cylinder to compact soil materials, the soil column is uniformly stressed, the manufactured soil column can meet the standard specification to form a test soil column with smooth appearance and uniform quality, the lead screw is driven to rotate by rotating the turntable in the use process, the lead screw is in matched transmission with threads on the inner wall of the hollow cylinder, the lead screw is further used for extruding the third cross beam, and the third cross beam further drives the first cross beam, The second cross beam and the stamping plate extrude a cushion block in the sample preparation cylinder, the cushion block compacts soil materials in the sample preparation cylinder in the extrusion process on one hand, and pushes the soil columns in the sample preparation cylinder to separate from the sample preparation cylinder on the other hand, when the stamping plate presses the upper surface of the sample preparation cylinder, all the soil columns are compacted or separated from the sample preparation cylinder, and sample preparation is finally completed. The problem of complex operation in the traditional sample preparation process is solved by adopting thread transmission matching, the step of sample preparation by adopting a jack is omitted, the sample preparation machine can realize integration of sample pressing and demoulding, 12 soil columns can be simultaneously prepared in one period, the sample preparation machine is accurate and efficient, as the stress is uniform in the soil column compacting process, the height, the flatness and the dry density of the sample are basically consistent, stable relevant test parameters can be obtained, the quality of the prepared soil column can meet the test teaching requirements of scientific research and high-school geotechnical tests, the preparation efficiency of the soil column is greatly improved, a large amount of manpower is saved, the problems that in the prior art, the height, the flatness and the dry density of the sample are difficult to keep consistent when the sample pressing method is adopted, holes can be formed in the soil body, the static pressure demoulding is generally provided by the jack, the operation process is increased, only one sample can be prepared at a time are solved, the efficiency is low, the demand of teaching tests of colleges and universities on the cake-shaped large soil column is difficult to meet, the stable acquisition of relevant parameters of the soil column is restricted, and the problems of deep research on parameters such as soil column physical mechanics and the like and engineering application are hindered.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a schematic overall structure diagram of a soil column sampling machine of the invention;
FIG. 2 is a schematic structural diagram of a mold plate in the soil column sampling machine of the present invention;
FIG. 3 is a schematic structural diagram of a punching plate in the soil column sampling machine of the invention;
FIG. 4 is a schematic structural diagram of a base rack in the soil column sampling machine of the present invention;
FIG. 5 is a partially enlarged schematic view of a base frame in the soil column sample making machine according to the present invention;
FIG. 6 is a schematic distribution diagram of limiting assemblies in the soil column sampling machine of the present invention;
FIG. 7 is a schematic structural diagram of a support bracket in the soil column sampling machine of the invention;
FIG. 8 is a schematic structural diagram of a part of a member on a connecting rod in the soil column sampling machine of the invention;
FIG. 9 is a schematic structural diagram of a sample making cylinder and a cushion block in the soil column sampling machine.
In the figure: 1-base, 2-base rack, 3-limiting component, 4-driving component, 5-supporting bracket, 6-mould plate, 9-stamping plate, 21-rolling sliding ball, 22-ball supporting thin plate, 31-angle steel, 32-fixing piece, 41-screw rod, 42-turntable, 51-first beam, 52-second beam, 53-third beam, 54-fourth beam, 55-fifth beam, 56-cap steel plate, 61-copper cake, 62-annular groove, 71-sample making cylinder, 72-cushion block, 81-spring, 82-connecting rod, 83-steel ring, 84-rubber gasket, 91-steel column, 92-disc and 561-hollow cylinder.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1 to 9, the present invention provides a technical solution: a soil column sampling machine comprises a base 1, a base rack 2, a limiting assembly 3, a driving assembly 4, a supporting bracket 5, a punching plate 9, a mould plate 6, a spring 81, a sampling cylinder 71 and a cushion block 72, wherein the base rack 2 is welded at the upper end of the base 1, the driving assembly 4 is supported at the upper end of the supporting bracket 5, the driving assembly 4 drives the punching plate 9 to vertically slide, the mould plate 6 horizontally slides between the base rack 2, the sampling cylinder 71 is placed on the mould plate 6, the cushion block 72 is placed at the upper side of the sampling cylinder 71, the limiting assembly 3 is fixedly arranged on the base rack 2, the lower end of the spring 81 is abutted against the base 1, when the sampling is required to be punched, the mould plate 6 is firstly slid out, the sampling cylinder 71 filled with soil is placed at the inner side of the top surface of the mould plate 6, the sampling cylinder 71 filled with soil columns is placed at the outer side of the top surface of the mould plate 6, then the mould plate 6 is slid into the mould plate 6, then the soil column sampling machine is operated, and the screw rod 41 is used for extruding a third cross beam 53, the third beam 53 further drives the first beam 51, the second beam 52 and the stamping plate 9 to extrude a cushion block 72 on the sample preparation cylinder 71, the cushion block 72 compacts soil in the sample preparation cylinder 71 in the extrusion process, and pushes the soil columns in the sample preparation cylinder 71 to separate from the sample preparation cylinder 71, when the bottom surface of the stamping plate 9 contacts the sample preparation cylinder 71, all the soil columns are compacted and separated from the sample preparation cylinder 71, and sample preparation is finally completed.
The support bracket 5 comprises a first beam 51, a second beam 52, a third beam 53, a fourth beam 54, a fifth beam 55 and a cap-shaped steel plate 56, the first beam 51 and the second beam 52 are respectively and symmetrically welded at two ends of the stamping plate 9, the third beam 53 is welded at the centers of the upper sides of the first beam 51 and the second beam 52, a lead screw 41 capable of moving vertically is arranged at the upper side of the center of the third beam 53, the pedestals at the two bottom ends of the cap-shaped steel plate 56 are respectively welded on the fourth beam 54 and the fifth beam 55 and are reinforced and fixed by a quincunx nut, a hollow cylinder 561 is arranged at the center of the cap-shaped steel plate 56, the lead screw 41 penetrates through the cap-shaped steel plate 56 and the center of the hollow cylinder 561, and the lead screw 41 can drive the stamping plate 9 under the third beam 53 and the third beam 53 to move vertically and downwards only by rotating the turntable 42 at the upper.
The threads are distributed on the inner wall of the hollow cylinder 561, the outer wall of the screw rod 41 is in threaded fit transmission with the inner wall of the hollow cylinder 561, the screw rod 41 is driven to rotate through the rotary table 42 in the use process, the screw rod 41 is in threaded fit transmission with the inner wall of the hollow cylinder 561, and then the screw rod 41 extrudes the third cross beam 53.
The processing of 2 top end faces of base rack has one row of V-arrangement grooves, install a plurality of roll smooth pearls 21 in the V-arrangement groove, roll smooth pearl 21 supports fixedly through ball support sheet metal 22, ball support sheet metal 22 inlays and puts at the V-arrangement groove upper surface, the ball rolls with the cooperation of mould board 6, when splendid attire soil material and earth pillar drawing of patterns, roll smooth pearl 21 horizontal migration mould board 6 on the accessible base rack 2, make mould board 6 move to the position of convenient in placing system appearance section of thick bamboo 71, place system appearance section of thick bamboo 71 on copper cake 61 and the annular groove 62 of mould board 6 again, both gomphosis mutually, pre-fixation system appearance section of thick bamboo 71.
The stamping plate 9 is a rectangular flat plate, the top surface of the stamping plate 9 is welded with a first cross beam 51 and a second cross beam 52 together, the inner side of the bottom surface of the stamping plate 9 is a smooth plane, the outer side of the bottom surface of the stamping plate 9 is provided with six steel columns 91 with uniform size, the inner side of the bottom surface of the stamping plate 9 and the outer side of the bottom surface of the stamping plate 9 are equally divided into the bottom surface of the stamping plate 9, the diameter of each steel column 91 is 14mm, the length of each steel column 91 is 55mm, a steel disc 92 is welded at the bottom end of each steel column 91, the diameter of each steel column 91 is 73mm, the thickness of each steel column is 5mm, the steel disc 92 at the outer side of the bottom surface of the stamping plate 9 and a sample making cylinder 71 at the outer side of the top surface of a mold plate 6 can vertically penetrate through corresponding round holes, initially, the height difference between the smooth plane at the inner side of the bottom surface of the stamping plate 9 and the top end 71 at the inner side of the top surface of the mold plate 6 is not more than 7cm, after an operator rotates an upper rotary disc 42 of a driving assembly 4, the steel column 91 outside the bottom surface of the stamping plate 9 starts to push the soil column to separate from the sample preparation cylinder 71, the inner side of the bottom surface of the stamping plate 9 does not start to compact the sample at the moment, when the inner side of the bottom surface of the stamping plate 9 fully compacts the sample, the outer side of the bottom surface of the stamping plate 9 completely pushes the soil column to separate from the sample preparation cylinder 71, and soil compaction and soil column demolding can be performed simultaneously.
The springs 81 are four in number and are respectively arranged at four corners of the base 1, the springs 81 are respectively wound on a connecting rod 82 with the diameter of 12mm, the lower end of the spring 81 is abutted against the base 1, the upper end of the spring 81 is abutted against a steel ring 83, the arrangement structure of the four springs 81 is the same, the lower end of the connecting rod 82 is connected with the base 1 in a welding manner, the middle of the connecting rod passes through the steel ring 83, a first cross beam 51, a second cross beam 52, a rubber gasket 84, a fourth cross beam 54 and a fifth cross beam 55, the upper end of the connecting rod 82, the inner walls of round holes on the fourth cross beam 54 and the fifth cross beam 55 are all provided with threads which can be mutually connected and fixed through quincunx nuts, when the screw 41 is driven by the rotary turntable 42, the spring 81 is compressed, soil samples are completely compacted until the lower surface of the stamping plate 9 contacts the upper surface of the sample preparation cylinder 71, an operator loosens the turntable 42, structures of the stamping plate 9, the screw 41 and the like can automatically rise to the original position due to the restoring action of the springs 81, without the aid of external forces.
The steel ring 83 is sleeved on the connecting rod 82, one end of the steel ring 83 is abutted with the spring 81, the other end of the steel ring 83 is abutted with the stamping plate 9, the steel ring 83 can vertically slide on the connecting rod 82, the rubber gasket 84 is also sleeved on the connecting rod 82, when external force is not applied to the turntable 42, the upper end of the rubber gasket 84 is slightly contacted with the fourth cross beam 54 and the fifth cross beam 55, on one hand, an operator can apply vertical pressure to the stamping plate 9 by rotating the turntable 42, the stamping plate 9 compresses the spring 81 through the steel gaskets at the four corners, and partial stamping force is converted into elastic potential energy of the spring 81, so that the stamping plate 9 automatically resets after the turntable 42 is loosened; on the other hand, since the rubber washer 84 is located on the upper side of the punching plate 9, the part of the impact force generated when the punching plate 9 rises upwards when the spring 81 is restored can be borne, the effect of shock absorption and shock absorption is achieved, and the abrasion of components is reduced.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (9)
1. The utility model provides a soil column sampling machine, includes base (1), base rack (2), spacing subassembly (3), drive assembly (4), support bracket (5), punching press board (9), mould board (6), spring (81), system appearance section of thick bamboo (71) and cushion (72), its characterized in that: the base is characterized in that a base rack (2) is welded at the upper end of the base (1), a driving assembly (4) is supported at the upper end of a supporting bracket (5), the driving assembly (4) drives a stamping plate (9) to vertically slide, the inner side of the bottom surface of the stamping plate (9) is a smooth plane, six steel columns (91) with uniform sizes are arranged at the outer side of the bottom surface of the stamping plate (9), steel discs (92) which can vertically penetrate through corresponding round holes in a die plate (6) are welded at the bottom end of the steel columns (91), the die plate (6) horizontally slides between the base racks (2), a sample making cylinder (71) is placed on a copper cake (61) and an annular groove (62) of the die plate (6), the sample making cylinder (71) filled with soil materials is placed at the inner side of the top surface of the die plate (6), and the sample making cylinder (71) filled with a soil column is placed at the outer side of the top surface of the die plate (6), sample preparation section of thick bamboo (71) upside is arranged in to cushion (72), with can be in the promotion of punching press board (9) down to the inboard the earth material in the sample preparation section of thick bamboo (71) carries out the compaction, and the promotion is arranged in the outside the earth pillar in the sample preparation section of thick bamboo (71) breaks away from this sample preparation section of thick bamboo (71) to realize carrying out compaction earth material and earth pillar drawing of patterns simultaneously, spacing subassembly (3) are fixed to be set up on base rack (2), spring (81) lower extreme and base (1) butt.
2. The soil column sampling machine according to claim 1, characterized in that: the supporting bracket (5) comprises a first cross beam (51), a second cross beam (52), a third cross beam (53), a fourth cross beam (54), a fifth cross beam (55) and a cap-shaped steel plate (56), wherein the first cross beam (51) and the second cross beam (52) are symmetrically welded at two ends of a stamping plate (9) respectively, the third cross beam (53) is welded at the center of the upper side of the first cross beam (51) and the second cross beam (52), a vertically movable screw rod (41) is arranged at the upper side of the center of the third cross beam (53), two bottom end pedestals of the cap-shaped steel plate (56) are welded on the fourth cross beam (54) and the fifth cross beam (55) respectively and are reinforced and fixed by quincunx nuts, a hollow cylinder (561) is arranged at the center of the cap-shaped steel plate (56), and the screw rod (41) penetrates through the centers of the cap-shaped steel plate (56) and the hollow cylinder (561.
3. The soil column sampling machine according to claim 2, characterized in that: threads are distributed on the inner wall of the hollow cylinder (561), and the outer wall of the screw rod (41) is in threaded fit transmission with the inner wall of the hollow cylinder (561).
4. The soil column sampling machine according to claim 1, characterized in that: mould board (6) are a rectangle flat board, the processing of the vertical both ends in mould board (6) bottom surface has one row of V-arrangement groove, mould board (6) top surface inboard is fixed and is provided with six copper cake (61), two rows of three rows equidistance setting, mould board (6) top surface outside is fixed be provided with the round hole with annular groove (62), the round hole is located annular groove (62) central authorities, six groups altogether, two rows of three rows are equidistant to be distributed, mould board (6) top surface inboard and the top surface outside of mould board (6) top surface are all divided mould board (6) top surface, copper cake (61) diameter 73.00mm, the height is 5mm, round hole diameter 77mm, annular groove (62) external diameter is 88mm, and the internal diameter is 77mm, and the degree of depth is 5 mm.
5. The soil column sampling machine according to claim 1, characterized in that: base rack (2) top end face processing has one row of V-arrangement groove, a plurality of rolling sliding balls (21) are installed to the V-arrangement inslot, rolling sliding balls (21) support fixedly through ball support sheet metal (22), ball support sheet metal (22) inlay and put at the V-arrangement groove upper surface.
6. The soil column sampling machine according to claim 1, characterized in that: spacing subassembly (3) include angle steel (31) and stationary blade (32), angle steel (31) horizontal vertical limit length ratio is 1: 3, and the outside edge of the welding of perpendicular limit downside on the horizontal support of two base rack (2), angle steel (31) perpendicular limit upside and angle steel (31) horizontal limit and mould board (6) each other contactless, the welding of stationary blade (32) downside is in the V-arrangement groove rear side edge of base rack (2).
7. The soil column sampling machine according to claim 1, characterized in that: the stamping plate (9) is a rectangular flat plate, the top surface of the stamping plate (9) is welded with the first cross beam (51) and the second cross beam (52), the inner side of the bottom surface of the stamping plate (9) and the outer side of the bottom surface of the stamping plate (9) are respectively divided into the bottom surfaces of the stamping plate (9), the diameter of the steel column (91) is 14mm, the length of the steel column is 55mm, and the diameter of the steel disc (92) is 73mm, and the thickness of the steel column is 5 mm.
8. The soil column sampling machine according to claim 1, characterized in that: the four springs (81) are arranged at four corners of the base (1) respectively, the springs (81) are wound on a connecting rod (82) with the diameter of 12mm respectively, the lower end of each spring (81) is abutted to the base (1), the upper end of each spring (81) is abutted to a steel ring (83), the arrangement structure of the four springs (81) is the same, the lower end of each connecting rod (82) is connected with the base (1) in a welding mode, the middle of each connecting rod penetrates through the steel ring (83), a first cross beam (51), a second cross beam (52), a rubber gasket (84), a fourth cross beam (54) and a fifth cross beam (55), threads are machined on the inner walls of round holes in the upper end of each connecting rod (82) and the inner walls of the round holes in the fourth cross beam (54) and the fifth cross beam (55), and the connecting rods can be connected with each other and fixed through quincunx nuts.
9. The soil column sampling machine according to claim 8, characterized in that: the steel ring (83) is sleeved on the connecting rod (82), one end of the steel ring (83) is abutted to the spring (81), the other end of the steel ring (83) is abutted to the stamping plate (9), the steel ring (83) can vertically slide on the connecting rod (82), and the rubber gasket (84) is also sleeved on the connecting rod (82).
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| CN110879164B (en) * | 2019-12-03 | 2021-12-24 | 中南大学 | Soil mechanics sample manufacturing and disassembling integrated device and manufacturing method |
| CN111638111A (en) * | 2020-07-20 | 2020-09-08 | 安徽理工大学 | Experimental method for compacting filler test piece through continuous compression |
| CN112024093B (en) * | 2020-08-14 | 2021-11-30 | 江苏省岩土工程勘察设计研究院 | Laboratory soil sample preparation line and soil sample preparation method thereof |
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