CN115165496A - Convenient multi-size coarse-grained soil sample preparation device - Google Patents
Convenient multi-size coarse-grained soil sample preparation device Download PDFInfo
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- CN115165496A CN115165496A CN202210815852.0A CN202210815852A CN115165496A CN 115165496 A CN115165496 A CN 115165496A CN 202210815852 A CN202210815852 A CN 202210815852A CN 115165496 A CN115165496 A CN 115165496A
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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
Abstract
The invention discloses a convenient multi-size coarse-grained soil sampler which comprises a sampler framework structure module, a slide rail base transmission module, a small movable hydraulic instrument module, a top free type cushion block module and a detachable soil sample pressing mold module. The compression preparation of the present invention separates the compression zone from the loading zone of the sample during the gradual loading of different graded earth materials. And redesigning a sample pressing die to ensure the integrity of the demoulding of the soil sample after the pressing is finished, and configuring a plurality of pressing dies with different sizes for the die. The working efficiency of the compression preparation process of the soil sample is improved to the maximum extent, the integrity of the coarse-grained soil sample after demoulding is enhanced, and a high-quality and high-level test base material is provided for subsequent tests.
Description
Technical Field
The invention relates to the technical field of indoor coarse-grained soil sample preparation, in particular to a convenient multi-size coarse-grained soil sample preparation device, and specifically relates to the test categories of multi-level coarse-grained soil compression sample preparation, coarse-grained soil sample demoulding and the like.
Background
The coarse-grained soil sample is prepared by compressing soil samples with different grading, and the compression is filled from bottom to top in a layered mode. After the coarse-grained soil compression sample preparation is finished, demolding is needed to ensure the integrity and the structurality of the soil sample as far as possible. The layered compression and the successive filling of the soil sample greatly increase the workload, the sample preparation time and the experiment expense of experimenters. In the current stage, the coarse-grained soil sample preparation box is single in size and fixed, and is integrally welded. On one hand, the preparation of coarse-grained soil samples of samples with different sizes is difficult to realize, and on the other hand, the structural integrity of the samples is difficult to ensure in the demolding process after the compression of the samples is finished, so that the scientific accuracy of subsequent tests is influenced.
The compression preparation test of the coarse-grained soil sample is a main method for simulating various physical properties of an outdoor soil layer, and various physical mechanical properties are tested by means of the simulation means in the field of geotechnical mechanics. In the indoor simulation of the physical and mechanical characteristics of the actual soil layer, for the successive filling of soil samples with different gradation, the traditional compression preparation process needs to consume a large amount of working time for the disassembly and installation of equipment; meanwhile, the defect that the sample is difficult to demold and take out exists after the test is carried out by adopting the traditional sample preparation equipment. Therefore, the invention designs a novel convenient multi-size coarse-grained soil sample preparation device which comprises a movable base, a detachable matched mould and a pressurizing device.
Disclosure of Invention
Therefore, the invention provides a convenient multi-size coarse-grained soil sample preparation device, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
according to a first aspect of the invention, a convenient multi-size coarse-grained soil sampler comprises a sampler framework structure module, a slide rail base transmission module, a small movable hydraulic instrument module, a top free type cushion block module and a detachable soil sample pressing mold module; the lower part of system appearance ware skeleton texture module is provided with slide rail base transmission module, be provided with in the slide rail base transmission module small-size movable hydraulic pressure appearance module, the top of system appearance ware skeleton texture module is provided with top free cushion module, can dismantle soil sample embossing mold utensil module setting is in the system appearance ware skeleton texture module.
Further, the sample preparation device framework structure module comprises a vertical adjustable rigid reaction rod, an anchoring nut, a box-shaped base, a rigid top plate and a rubber telescopic sleeve; the vertical adjustable rigid reaction rod is arranged on the box-type base, the vertical adjustable rigid reaction rod is anchored on the rigid top plate by the anchoring nut, and the rubber telescopic sleeve is arranged in the center of the upper part of the box-type base.
Furthermore, the sliding rail base transmission module comprises a convenient hand-operated lever, a support bearing, a driving transmission middle shaft, a sliding rail, a metal sliding base, a hand-operated lever support bearing, a hinge, a chain wheel and a driven transmission middle shaft; the convenient hand-operated lever is fixed on the box-type base through the hand-operated lever supporting bearing, the driving transmission middle shaft connects the convenient hand-operated lever with the chain wheel, and the other end of the driving transmission middle shaft is arranged on a side plate in the box-type base through the supporting bearing; the passive transmission middle shaft and the active transmission middle shaft are connected through the hinge, and the sliding rail is arranged in the middle of the metal sliding base.
Further, the small movable hydraulic instrument module comprises a pressure indicator, a hydraulic instrument adjusting handle, a mold placing table, a small hydraulic instrument, a hydraulic instrument cylinder, a hydraulic instrument fixing tooth, a hydraulic oil transmission pipe and a pressure indicator data transmission line; the pressure indicator is arranged in the front of the box-type base, and the hydraulic instrument adjusting handle is connected with the hydraulic instrument cylinder, extends out of the right side of the box-type base and is arranged in a rotating mode along the horizontal direction; the pressure indicator is connected with the hydraulic instrument cylinder barrel through the pressure indicator data transmission line, and the hydraulic oil transmission pipe is connected with the small-sized hydraulic instrument and the hydraulic instrument cylinder barrel; the die placing table is placed on the small-sized hydraulic instrument, and the hydraulic instrument fixing teeth are fixed on two sides of the small-sized hydraulic instrument.
Furthermore, the top free type cushion block module comprises an adjustable rigid cushion block, a top cushion block anchor rod and a top cover plate, and the upper end of the adjustable rigid cushion block is installed on the rigid top plate through the top cushion block anchor rod.
Further, the detachable soil sample pressing die module comprises a die anchoring groove, an overhanging steel plate, a vertical structure rib plate, a rigid right-angle side plate, an inserting plate, an anchoring fixing bolt, a die bottom plate inserting groove, a die bottom plate, an anchor rod gasket and an anchoring knob; the die anchoring grooves are arranged on trisection points of the overhanging steel plates, the vertical structural ribbed plates are erected on the rigid right-angle side plates, and the inserting plates are arranged below the rigid right-angle side plates; the anchoring fixing bolt is embedded into the die bottom plate, and the die bottom plate insertion groove is arranged in the die bottom plate; the anchor rod gasket is arranged at the top of the anchoring fixing bolt, and the anchoring knob is arranged on the anchor rod gasket.
Further, still include the hydrograph shell, the outside of small-size hydrograph is provided with the hydrograph shell.
Further, the top cover plate is any one of a first top cover plate, a second top cover plate or a third top cover plate, and the specification of the first top cover plate is 200mm multiplied by 200mm; the specification of the second top cover plate is 300mm multiplied by 300mm; the third top cover plate has a dimension of 500mm by 500mm.
Further, the soil sample pressing die can be configured with a plurality of size pressing dies: a first pressing cassette, a second pressing cassette, or a third pressing cassette; the first pressing box has the specification of 200mm multiplied by 200mm; the specification of the second pressing box is 300mm multiplied by 300mm; the third press box had a specification of 500mm × 500mm × 500mm.
Further, the multi-stage coarse-grained soil compression sample preparation process comprises the following steps:
firstly, inserting two rigid right-angle side plates on a bottom plate of a mold, and anchoring the two rigid right-angle side plates, the bottom plate and the mold into a whole through anchoring fixing bolts;
then, shaking a convenient hand-operated lever to drive a hinge in the box-type base, moving the small-sized hydraulic instrument to a filling area, placing a pressing die on a die placing table, and filling a bottom soil layer;
after the filling is finished, the convenient hand-operated lever is shaken to move the small-sized hydraulic instrument to a compression area;
rotating an adjusting handle of the hydraulic instrument to pressurize and lift the small hydraulic instrument, and after a soil sample in a pressing die is contacted with a top cover plate, starting the soil sample to enter a compression stage;
compress to ideal closely knit degree after, rotate the hydraulic pressure appearance adjustment handle and loosen small-size hydraulic pressure appearance, treat that small-size hydraulic pressure appearance descends to minimum high back, wave convenient hand rocker and remove small-size hydraulic pressure appearance to the filling district, load once more, soil sample suppression is accomplished the back, at first relaxs the anchor knob, breaks away from rigidity right angle curb plate with all anchor fixing bolt all around the mould bottom plate afterwards, demolishs rigidity right angle curb plate respectively at last, and the suppression of multistage coarse grain soil sample of joining in marriage is accomplished.
The invention has the following advantages: the invention solves the problem of complex manufacturing process of the traditional coarse-grained soil sample preparation device when manufacturing a multi-level soil layer test piece. The high-efficiency manufacture of the multi-stage soil layer compression is realized. In addition, the invention adopts a plurality of coarse-grained soil compacting moulds with different sizes, so that samples with different sizes can be manufactured; the invention can meet the requirement of sample demoulding integrity after the existing coarse-grained soil sample preparation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a front view of a convenient multi-size coarse-grained soil sampler according to some embodiments of the present invention.
FIG. 2 is a top view of a convenient multi-sized coarse grain soil sampler according to some embodiments of the present invention.
FIG. 3 isbase:Sub>A cross-sectional view A-A' ofbase:Sub>A convenient multi-sized coarse-grained soil sampler according to some embodiments of the present invention.
FIG. 4 is a cross-sectional view of B-B' of a convenient multi-sized coarse-grained soil sampler according to some embodiments of the present invention.
Fig. 5 is a detailed view of a soil sample compression mold box of a convenient multi-size coarse-particle soil sampler according to some embodiments of the present invention.
In the figure: 1. a vertically adjustable rigid reaction bar; 2. an anchor nut; 3. a pressure indicator gauge; 4. a box-shaped base; 5. a hydraulic instrument adjusting handle; 6. the rigid cushion block can be adjusted; 7. a mold placing table; 8. a small-sized hydraulic gauge; 9. a hand rocker is convenient and fast; 10. a rigid top plate; 11. a top cushion block anchor rod; 12. a rubber telescopic sleeve; 13. a third top cover plate; 14. a support bearing; 15. a hydraulic gauge cylinder; 16. a driving transmission middle shaft; 17. a hydraulic gauge housing; 18. a slide rail; 19. a metal sliding base; 20. the hand rocker supports the bearing; 21. a hinge; 22. a hydraulic oil delivery pipe; 23. a sprocket; 24. a pressure indicator data transmission line; 25. a mold anchoring groove; 26. an overhanging steel plate; 27. a vertical structural rib plate; 28. a rigid right angle side panel; 29. an insert plate; 30. anchoring a fixing bolt; 31. inserting the bottom plate of the mold into the groove; 32. a mold base plate; 33. an anchor rod gasket; 34. an anchoring knob; 35. a passive transmission middle shaft; 36. fixing a gear by a hydraulic instrument; 37. a first top cover plate; 38. a second top cover plate; 39. a first pressing box; 40. a second pressing box; 41. and a third pressing box.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 5, in an embodiment of the first aspect of the present invention, a convenient multi-size coarse-grained soil sampler includes a sampler framework structure module, a slide rail base transmission module, a small movable hydraulic instrument module, a top free pad module, and a detachable soil sample pressing mold module; the lower part of system appearance ware skeleton texture module is provided with slide rail base transmission module, is provided with small-size movable hydraulic pressure appearance module in the slide rail base transmission module, and the top of system appearance ware skeleton texture module is provided with top free type cushion module, can dismantle soil sample embossing mold piece module setting in system appearance ware skeleton texture module.
In the above embodiments, it should be noted that the position of the hydraulic piston is movable, and the hydraulic piston is moved by a transmission mechanism, so as to simplify the sequential filling and compression preparation process.
The technical effects achieved by the above embodiment are as follows: the complicated manufacturing process of the traditional coarse-grained soil sample preparation device during manufacturing of the multi-level soil layer test piece is solved. The high-efficiency manufacture of the multi-stage soil layer compression is realized. In addition, a plurality of coarse-grained soil pressing molds with different sizes are adopted, so that samples with different sizes can be manufactured; the requirement of sample demoulding integrity after the existing coarse-grained soil sample preparation can be met.
Optionally, as shown in fig. 1 to 5, in some embodiments, the skeleton structure module of the sample preparation device comprises a vertically adjustable rigid reaction rod 1, an anchor nut 2, a box-type base 4, a rigid top plate 10 and a rubber expansion sleeve 12; the vertical adjustable rigid reaction rod 1 is arranged on the box-type base 4, the vertical adjustable rigid reaction rod 1 is anchored on the rigid top plate 10 by the anchoring nut 2, and the rubber telescopic sleeve 12 is arranged in the center of the upper part of the box-type base 4.
In the above optional embodiment, it should be noted that, the box-shaped base 4 is placed on the ground or on a laboratory operation platform, the vertically adjustable rigid reaction rod 1 is rigidly connected to the rear region of the box-shaped base 4, the rubber expansion sleeve 12 is disposed at the center of the top of the box-shaped base 4, and the rigid top plate 10 is connected to the top of the vertically adjustable rigid reaction rod 1.
Optionally, as shown in fig. 1 to 5, in some embodiments, the sliding rail base transmission module includes a convenient hand lever 9, a support bearing 14, a driving transmission middle shaft 16, a sliding rail 18, a metal sliding base 19, a hand lever support bearing 20, a hinge 21, a chain wheel 23, and a driven transmission middle shaft 35; the convenient hand-operated rod 9 is fixed on the box-type base 4 through a hand-operated rod supporting bearing 20, the convenient hand-operated rod 9 is connected with a chain wheel 23 through a driving transmission middle shaft 16, and the other end of the driving transmission middle shaft 16 is arranged on a side plate in the box-type base 4 through a supporting bearing 14; the passive transmission middle shaft 35 is connected with the active transmission middle shaft 16 through a hinge 21, and the slide rail 18 is arranged in the middle of the metal sliding base 19.
In the above optional embodiment, it should be noted that the sliding rail base transmission module rotates the hinge 21 through the convenient hand lever 9, and the two sides of the small-sized hydraulic instrument 8 are fixed with the meshing teeth, so as to drive the small-sized hydraulic instrument 8 to move; the convenient hand-operated rod 9 is arranged on the left side of the box-type base 4 of the coarse-grained soil sampler; the active transmission middle shaft 16 is connected with a convenient hand rocker 9, penetrates through the box-type base 4 along the transverse direction and is connected with a right steel plate in the base through a bearing, the passive transmission middle shaft 35 is arranged at the rear side in the metal sliding base 19, and two sides of the passive transmission middle shaft are fixed on two steel plates at two sides in the box-type base 4 through rigid rod bearings; the chain wheels 23 are respectively arranged above four corners of the metal sliding base 19 and connected through a transmission middle shaft; the hinge 21 is respectively lapped with a transmission shaft chain wheel and fixed teeth on two sides of the hydraulic piston base; the metal sliding base 19 is arranged inside the box-shaped base 4.
Alternatively, as shown in fig. 1 to 5, in some embodiments, the small movable hydraulic gauge module includes a pressure indicating gauge 3, a hydraulic gauge adjustment handle 5, a mold placing table 7, a small hydraulic gauge 8, a hydraulic gauge cylinder 15, hydraulic gauge fixing teeth 36, a hydraulic oil delivery pipe 22, and a pressure indicating gauge data transmission line 24; the pressure indicator 3 is arranged in front of the box-type base 4, and the hydraulic instrument adjusting handle 5 is connected with the hydraulic instrument cylinder 15, extends out of the right side of the box-type base 4 and is arranged in a rotating mode along the horizontal direction; the pressure indicator 3 is connected with the hydraulic instrument cylinder 15 through a pressure indicator data transmission line 24, and the hydraulic oil transmission pipe 22 is connected with the small-sized hydraulic instrument 8 and the hydraulic instrument cylinder 15; the mold placing table 7 is placed on the small-sized hydraulic instrument 8, and the hydraulic instrument fixing teeth 36 are fixed on two sides of the small-sized hydraulic instrument 8.
In the above optional embodiment, it should be noted that the hydraulic gauge cylinder 15 is placed on the right side of the metal sliding base 19, the front end of the hydraulic gauge cylinder extends out of the pressure indicator 3 and is embedded in the front of the box-shaped base 4, and the rear end of the hydraulic gauge cylinder extends out of the hydraulic oil transmission pipe 22 and is connected with the hydraulic piston base; the hydraulic instrument adjusting handle 5 extends outwards from the right side of the box-type base 4 and can be bent along the long side direction of the box-type base 4.
Alternatively, as shown in fig. 1-5, in some embodiments, the top free block module includes an adjustable rigid block 6, a top block anchor 11, and a top cover plate, with the upper end of the adjustable rigid block 6 mounted on the rigid top plate 10 via the top block anchor 11.
Alternatively, as shown in fig. 1 to 5, in some embodiments, the detachable soil sample pressing mold module includes a mold anchor groove 25, an overhanging steel plate 26, a vertical structural rib 27, a rigid right-angle side plate 28, an insertion plate 29, an anchor fixing bolt 30, a mold base insertion groove 31, a mold base 32, an anchor rod spacer 33, and an anchor knob 34; the die anchor groove 25 is arranged on the trisection point of the overhanging steel plate 26, the vertical structural ribbed plate 27 is constructed on the rigid right-angle side plate 28, and the inserting plate 29 is arranged below the rigid right-angle side plate 28; the anchor fixing bolt 30 is embedded into the die base 32, and the die base insertion groove 31 is arranged on the die base 32; an anchor washer 33 is placed on top of the anchor fixing bolt 30 and an anchor knob 34 is placed over the anchor washer 33.
In the above alternative embodiment, it should be noted that two bolt holes are provided on each side of the rigid right-angle side plate 28, the fixing bolts are anchored to the base, and the bottom of the side plate is provided with an insertion plate for inserting into the base for connection; eight fixing bolts can be anchored on the base, and side plate insertion grooves are formed in the four sides of the base.
Optionally, as shown in fig. 1 to 5, in some embodiments, a hydraulic instrument housing 17 is further included, and the hydraulic instrument housing 17 is disposed outside the small-sized hydraulic instrument 8.
Optionally, as shown in fig. 1 to 5, in some embodiments, the top cover plate is any one of the first top cover plate 37, the second top cover plate 38 or the third top cover plate 13, and the size of the first top cover plate 37 is 200mm × 200mm; the second top cover plate 38 has a specification of 300mm × 300mm; the third top cover plate 13 has a specification of 500mm × 500mm.
Alternatively, as shown in fig. 1-5, in some embodiments, the soil sample pressing die may be configured with a plurality of size pressing dies: a first press cassette 39, a second press cassette 40, or a third press cassette 41; the first press cassette 39 has a specification of 200mm × 200mm × 200mm; the second press box 40 has a specification of 300mm × 300mm × 300mm; the third press cassette 41 has a specification of 500mm × 500mm × 500mm.
In the above alternative embodiment, it should be noted that the top cover plate and the pressing box can be selected to be changed to the above specifications according to the size of the sample required by the experiment.
Optionally, as shown in fig. 1 to 5, in some embodiments, the multi-stage coarse-grained soil compression sample preparation process includes the following steps: firstly, inserting two rigid right-angle side plates 28 into a bottom plate 32 of a mold, and anchoring the two rigid right-angle side plates, the bottom plate and the mold into a whole through anchoring fixing bolts 30; then, the convenient hand-operated lever 9 is shaken to drive the hinge 21 in the box-type base 4, the small-sized hydraulic instrument 8 is moved to a filling area, a pressing die is placed on the die placing table 7, and the bottom soil layer is filled; after the filling is finished, the convenient hand rocker 9 is shaken to move the small-sized hydraulic instrument 8 to a compression area; rotating a hydraulic instrument adjusting handle 5 to pressurize and lift a small hydraulic instrument 8, and after a soil sample in a pressing die is contacted with a top cover plate, starting the soil sample to enter a compression stage; compress to ideal closely knit degree after, rotate hydraulic pressure appearance adjustment handle 5 and loosen small-size hydraulic pressure appearance 8, treat that small-size hydraulic pressure appearance 8 descends to minimum high back, wave convenient hand rocker 9 and remove small-size hydraulic pressure appearance 8 to the filling district, load once more, soil sample suppression is accomplished the back, at first loosens anchor knob 34, break away from rigidity right angle curb plate 28 with all anchor fixing bolt 30 all around mould bottom plate 32 afterwards, demolish rigidity right angle curb plate 28 respectively at last, multistage coarse grain soil sample suppression of joining in marriage is accomplished.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
Claims (10)
1. A convenient multi-size coarse-grained soil sampler is characterized by comprising a sampler framework structure module, a slide rail base transmission module, a small movable hydraulic instrument module, a top free type cushion block module and a detachable soil sample pressing mold module; the lower part of system appearance ware skeleton texture module is provided with slide rail base transmission module, be provided with in the slide rail base transmission module small-size movable hydraulic pressure appearance module, the top of system appearance ware skeleton texture module is provided with top free cushion module, can dismantle soil sample embossing mold utensil module setting and be in the system appearance ware skeleton texture module.
2. The convenient multi-size coarse-grained soil sampler according to claim 1, characterized in that the sampler skeleton structure module comprises a vertically adjustable rigid reaction rod (1), an anchoring nut (2), a box-type base (4), a rigid top plate (10) and a rubber expansion sleeve (12); the vertical adjustable rigid reaction rod (1) is arranged on the box-type base (4), the vertical adjustable rigid reaction rod (1) is anchored on the rigid top plate (10) through the anchoring nut (2), and the rubber telescopic sleeve (12) is arranged in the center of the upper portion of the box-type base (4).
3. The convenient multi-size coarse-grained soil sampler according to claim 2, characterized in that the slide rail base transmission module comprises a convenient hand lever (9), a support bearing (14), a driving transmission middle shaft (16), a slide rail (18), a metal sliding base (19), a hand lever support bearing (20), a hinge (21), a chain wheel (23) and a driven transmission middle shaft (35); the convenient hand-operated rod (9) is fixed on the box-type base (4) through the hand-operated rod supporting bearing (20), the convenient hand-operated rod (9) is connected with the chain wheel (23) through the driving transmission middle shaft (16), and the other end of the driving transmission middle shaft (16) is arranged on a side plate in the box-type base (4) through the supporting bearing (14); the passive transmission middle shaft (35) is connected with the active transmission middle shaft (16) through the hinge (21), and the sliding rail (18) is arranged in the middle of the metal sliding base (19).
4. The convenient multi-size coarse-grained soil sampler according to claim 3, characterized in that the small movable hydraulic instrument module comprises a pressure indicator (3), a hydraulic instrument adjusting handle (5), a mold placing table (7), a small hydraulic instrument (8), a hydraulic instrument cylinder (15), hydraulic instrument fixing teeth (36), a hydraulic oil transmission pipe (22) and a pressure indicator data transmission line (24); the pressure indicator (3) is arranged in front of the box-type base (4), and the hydraulic instrument adjusting handle (5) is connected with the hydraulic instrument cylinder (15), extends out of the right side of the box-type base (4), and is arranged in a rotating mode along the horizontal direction; the pressure indicating meter data transmission line (24) connects the pressure indicating meter (3) with the hydraulic instrument cylinder barrel (15), and the hydraulic oil transmission pipe (22) is connected with the small-sized hydraulic instrument (8) and the hydraulic instrument cylinder barrel (15); the die placing table (7) is placed on the small-sized hydraulic instrument (8), and the hydraulic instrument fixing teeth (36) are fixed on two sides of the small-sized hydraulic instrument (8).
5. The portable multi-size coarse-grained soil sampler according to claim 4 characterized in that the top free pad module comprises an adjustable rigid pad (6), a top pad anchor (11) and a top cover plate, the upper end of the adjustable rigid pad (6) is mounted on the rigid top plate (10) through the top pad anchor (11).
6. The convenient multi-size coarse-grained soil sampler of claim 5, wherein the detachable soil sample pressing die module comprises a die anchoring groove (25), an overhanging steel plate (26), a vertical structural rib plate (27), a rigid right-angle side plate (28), an insertion plate (29), an anchoring fixing bolt (30), a die bottom plate insertion groove (31), a die bottom plate (32), an anchor rod gasket (33) and an anchoring knob (34); the die anchoring grooves (25) are arranged on trisection points of the overhanging steel plates (26), the vertical structural rib plates (27) are erected on the rigid right-angle side plates (28), and the inserting plates (29) are arranged below the rigid right-angle side plates (28); the anchor fixing bolt (30) is embedded in the die base plate (32), and the die base plate insertion groove (31) is arranged on the die base plate (32); the anchor rod gasket (33) is arranged at the top of the anchoring fixing bolt (30), and the anchoring knob (34) is arranged on the anchor rod gasket (33).
7. The portable multi-size coarse-grained soil sampler according to claim 6, further comprising a hydraulic housing (17), wherein the hydraulic housing (17) is arranged outside the small-sized hydraulic unit (8).
8. The portable multi-size coarse soil sampler of claim 7 wherein the top cover is any one of a first top cover (37), a second top cover (38) or a third top cover (13), the first top cover (37) having a gauge of 200mm x 200mm; the specification of the second top cover plate (38) is 300mm multiplied by 300mm; the third top cover plate (13) has a specification of 500mm × 500mm.
9. The portable multi-size coarse-particle soil sampler of claim 8, wherein the soil sample pressing die is configured with a plurality of size pressing dies: a first press cassette (39), a second press cassette (40), or a third press cassette (41); the first pressing box (39) has a specification of 200mm × 200mm × 200mm; the second pressing box (40) has a specification of 300mm × 300mm × 300mm; the third press box (41) has a specification of 500mm × 500mm × 500mm.
10. The convenient multi-size coarse-grained soil sampler as claimed in claim 9, wherein the multi-level coarse-grained soil compression sampling process comprises the following steps:
firstly, two rigid right-angle side plates (28) are inserted into a bottom plate (32) of a mold, and the two rigid right-angle side plates, the bottom plate and the bottom plate are anchored into a whole through anchoring fixing bolts (30);
then, a convenient hand-operated lever (9) is shaken to drive an internal hinge (21) of the box-type base (4), the small-sized hydraulic instrument (8) is moved to a filling area, a pressing die is placed on a die placing table (7), and a bottom soil layer is filled;
after the filling is finished, the convenient hand-operated lever (9) is shaken to move the small-sized hydraulic instrument (8) to a compression area;
rotating a hydraulic instrument adjusting handle (5) to pressurize and lift the small hydraulic instrument (8), and after a soil sample in a pressing die contacts a top cover plate, starting the soil sample to enter a compression stage;
compress to ideal closely knit degree after, rotate hydraulic pressure appearance adjustment handle (5) and loosen small-size hydraulic pressure appearance (8), treat small-size hydraulic pressure appearance (8) and descend to minimum high back, wave convenient hand rocking rod (9) and remove small-size hydraulic pressure appearance (8) to filling the district, load once more, soil sample suppression is accomplished the back, at first loosen anchor knob (34), break away from rigidity right angle curb plate (28) with all anchor fixing bolt (30) all around mould bottom plate (32) afterwards, demolish rigidity right angle curb plate (28) respectively at last, multistage coarse grain soil sample suppression of joining in marriage is accomplished.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115420576A (en) * | 2022-11-04 | 2022-12-02 | 成都理工大学 | Discrete dynamic triaxial test sample preparation device |
| CN116773421A (en) * | 2023-06-15 | 2023-09-19 | 中国水利水电科学研究院 | Test device and test method for separating and measuring oozed soil water |
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- 2022-07-12 CN CN202210815852.0A patent/CN115165496A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420576A (en) * | 2022-11-04 | 2022-12-02 | 成都理工大学 | Discrete dynamic triaxial test sample preparation device |
| CN116773421A (en) * | 2023-06-15 | 2023-09-19 | 中国水利水电科学研究院 | Test device and test method for separating and measuring oozed soil water |
| CN116773421B (en) * | 2023-06-15 | 2023-12-26 | 中国水利水电科学研究院 | Test device and test method for separating and measuring oozed soil water |
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