CN204255718U - A kind of semi-automatic multifunction soil test pressure-like machine - Google Patents
A kind of semi-automatic multifunction soil test pressure-like machine Download PDFInfo
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- CN204255718U CN204255718U CN201420703666.9U CN201420703666U CN204255718U CN 204255718 U CN204255718 U CN 204255718U CN 201420703666 U CN201420703666 U CN 201420703666U CN 204255718 U CN204255718 U CN 204255718U
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Abstract
The utility model discloses a kind of semi-automatic multifunction soil test pressure-like machine, comprise mounting system, power and control system, become modular system and pressure-like system, mounting system comprises pedestal, lateral column and top board, the lower end of lateral column is fixed on pedestal, the upper end of lateral column is fixed with top board, power and set-up of control system are on pedestal, modular system is become to be arranged in power and control system, pressure-like system is fixed on top board, choose and become mould and pressure-like system to be installed on removable pressure-like platform and top board accordingly, according to corresponding test specification, the soil sample layering of certain mass is put into, between outer one-tenth mould cylinder (or becoming in mould cylinder), then, operative position shift controller hydraulic control system rises to predetermined altitude to make removable pressure-like platform, meanwhile, pressure-like hammer is deep into mould cylinder, by the dry density compaction in layers on request of every layer of soil particle, namely obtain reinventing hollow cylinder sample (or solid cylindrical sample).
Description
Technical field
The utility model belongs to laboratory soil test equipment technical field, is specifically related to a kind of semi-automatic multifunction soil test pressure-like machine.
Background technology
The preparation reinventing sample is a large difficult point of laboratory soil test, particularly for dynamic hollow cylinder torsional shear instrument, this problem is particularly outstanding: 1) compacting process relies on manual control when floor height controls and hit real acting, and hit implementation and produce very important Secondary Disturbance with to the soil body, make sample inside occur crack, greatly reduce the confidence level of follow-up test; 2) because cohesive soil infiltration coefficient is very low, discharging consolidation is extremely slow, when adopting concretion method sample preparation, need consolidation more than 10 days under high negative pressure, sample preparation facility being involved great expense and comparatively heavy, sample preparation complicated operation, there is larger unevenness in obtained sample; 3) need a large amount of manual labor during sample preparation, automaticity is low, sample preparation inefficiency; 4) sample preparation tool of all kinds of laboratory soil test is various, causes the wasting of resources of repeated configuration to a certain extent.
Because existing method exists problems, cause having to grind to make internal disorder or usurp being confined to reinvent sand or original-pack clay more, seriously constrain the development of correlative study, urgently research and develop new having wide range of applications and the equipment of the semi-automatic sample preparation of energy.
Utility model content
The purpose of this utility model is to provide a kind of semi-automatic multifunction soil test pressure-like machine, solves that the sample making apparatus function singleness, the automaticity that exist in prior art are low, sample preparation low precision and cannot prepare the problem of hollow cylinder sample.
The technical scheme that the utility model adopts is, a kind of semi-automatic multifunction soil test pressure-like machine, comprise mounting system, power with control system, become modular system and pressure-like system, mounting system comprises pedestal, lateral column and top board, the lower end of lateral column is fixed on pedestal, and the upper end of lateral column is fixed with top board, and power and set-up of control system are on pedestal and lateral column, become modular system to be arranged in power and control system, pressure-like system is fixed on top board.
Feature of the present utility model is also,
Power and control system comprise fuel tank, motor, hydraulic pump, hydraulic cylinder, control gear and removable pressure-like platform, removable pressure-like platform is fixed on pedestal by support, motor is connected with hydraulic pump, and fuel tank is connected by pipeline with hydraulic pump, and fuel tank is by being fixed on support; Hydraulic cylinder is arranged on base central, and its top and removable pressure-like platform are fixed, and removable pressure-like platform is built-in with the displacement meter of the axial displacement for measuring removable pressure-like platform; Control gear is fixed on lateral column, detects the position of removable sample preparation platform by controlling motor in real time.
Become modular system to comprise the Wai Chengmotong mechanism of hollow, Wai Chengmotong mechanism is fixedly installed in specimen mount, and Wai Chengmotong mechanism comprises outer film forming cylinder, and outer film forming cylinder surrounds cylinder by three valves; The skin of outer film forming cylinder is fixed by outer garter spring, and the arranged outside of outer film forming cylinder has outer support bar, and outer support bar surrounds circle; The lower end of outer film forming cylinder and outer support bar is fixed in specimen mount, and the upper end of outer film forming cylinder and outer support bar is provided with outer film forming cylinder top cap.
Modular system is become also to comprise the interior film forming cylinder mechanism of hollow, interior film forming cylinder organization establishes is in Wai Chengmotong mechanism, interior film forming cylinder mechanism is fixedly installed in specimen mount, interior film forming cylinder mechanism comprises interior one-tenth mould cylinder, and interior one-tenth mould cylinder is the cylinder becoming the large valve of mould cylinder and the hollow becoming the little valve of mould cylinder to surround in two in 2; Be provided with vertical inner bracing piece in the cavity of interior one-tenth mould cylinder, inner bracing piece be provided with two groups of side arms; The lower end of interior one-tenth mould cylinder and inner bracing piece is fixed in specimen mount, and the upper end of interior one-tenth mould cylinder and inner bracing piece is fixed on the cap of interior film forming cylinder top.
Pressure-like system cylindrically, comprises pressure-like top cover, pressure-like bar and ring-type pressure-like hammer, is connected with three pressure-like bars below pressure-like top cover, and pressure-like bar lower end is provided with pressure-like hammer.
Top board is fixed by screw thread and lateral column.
Pressure-like system is fixed on top board by pressure-like top cover and bolt.
Outer garter spring is at least provided with 2.
The valve of outer film forming cylinder is annular valve; Centered by the large valve of interior one-tenth mould cylinder, angle is the annular valve of 150 °; Centered by the little valve of interior one-tenth mould cylinder, angle is the annular valve of 30 °.
The shape of pressure-like hammer is the circular or toroidal that bottom is amplified.
The beneficial effects of the utility model are: when sample is reinvented in preparation, first choosing corresponding one-tenth modular system is installed on removable pressure-like platform and top board, when hollow cylinder sample (or solid cylindrical sample) is reinvented in preparation, according to corresponding test specification, the manipulated soil particle layering of certain mass is put between inside and outside one-tenth mould cylinder (or becoming mould cylinder), then, operative position shift controller hydraulic control system rises to predetermined altitude to make removable pressure-like platform, meanwhile, pressure-like hammer is deep into mould cylinder, by the dry density compaction in layers on request of every layer of soil particle.Afterwards, modular system will be become to remove successively from top to bottom, from inside to outside, and namely obtain reinventing hollow cylinder sample (or solid cylindrical sample).
The main body that the utility model depends on is the earthwork test Instrument at a series of tip, as hollow cylinder torsional shear instrument, stress path triaxial apparatus etc.But the preparation of remolding soil specimens is all the difficult point of laboratory soil test all the time, particularly for reinventing for hollow cylinder sample, existing instrument is hitting reality, is controlling, is tearing open in sample etc. and be short of to some extent, so that made sample Secondary Disturbance is serious, lack of homogeneity, sample preparation and tear sample complexity open, makes the precision of sample preparation and the reliability of follow-up test be under suspicion.
This pressure-like machine is through appropriate design, for the feature of various test, consider the preparation reinventing sample that particle is large, intensity is high especially, devise the most rational scheme: semiautomatic control design, hydraulic power design, replaceable mold design, valve shape become the design of mould cylinder, the fixing design of interior one-tenth mould cylinder and sample one-shot forming design.Each design link rationally efficiently utilizes power system, control principle, Mechanics Criterion and material behavior, and the process simulating the formation of undisturbed soil body of maximum possible, provides effective guarantee for preparing various sample.In actual mechanical process, this pressure-like machine automaticity is higher, not only simple operation, saving manpower and time, avoids the repeated configuration of the multiple same parts of different sample preparation device, effectively saves resource; More reach good effect producing all kinds of the reinventing on sample that disturbance is little, uniformity coefficient is high.Thus, for hollow cylinder torsional scissor test, stress path triaxial test, resonant column test etc. provide great help.
The utility model have employed a kind of method for making sample of compaction in layers, and soil sample is successively compacted into hollow cylindrical or filled circles column sample by external force by the method, simulates the process that natural rock-filled deposition is formed to the full extent.
Accompanying drawing explanation
Fig. 1 is the pressure-like machine schematic diagram being provided with hollow cylinder sample Cheng Mo and pressure-like system;
Fig. 2 is hollow cylinder sample base schematic diagram;
Fig. 3 is outer one-tenth mould cylinder valve structure and outer garter spring schematic diagram;
Fig. 4 is interior one-tenth mould cylinder valve structure and inner bracing piece schematic diagram;
Fig. 5 is solid cylindrical sample pressure-like system;
Fig. 6 is that solid cylindrical sample becomes modular system schematic diagram;
In figure: 1. pedestal, 2. lateral column, 3. top board, 4. fuel tank, 5. motor, 6. hydraulic pump, 7. hydraulic cylinder, 8. control gear, 9. removable pressure-like platform, 10. specimen mount, 11. outer support bars, 12. outer garter springs, 13. outer one-tenth mould cylinders, mould cylinder is become in 14., 15. inner bracing pieces, mould cylinder top cap is become in 16., 17. outer one-tenth mould cylinder top caps, 18. hollow cylinder samples, 19. pressure-like top covers, 20. pressure-like bars, 21. ring-type pressure-like hammers, 22. one-tenth mould cylinders, 23. solid samples, 24. circular pressure-like hammers, the large valve of mould cylinder is become in 25., the little valve of mould cylinder is become in 26., 27. valves, 28. outer one-tenth mould cylinder pickup grooves, mould cylinder pickup groove is become in 29., 30. one-tenth mould cylinder pickup grooves, 31. outer support bar fixed orifices, 32. inner bracing piece fixed orifices, 33 base fixed orifices, 34. draw-in grooves, 35. inner bracing piece side arms.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model provides a kind of semi-automatic multifunction soil test pressure-like machine, as shown in Figure 1, comprises mounting system, power and control system, becomes modular system and pressure-like system four major part.Mounting system comprises pedestal 1, lateral column 2, top board 3, and lateral column lower end is fixed on pedestal 1, and top board 3 is fixed on lateral column 2 upper end by screw thread.For power and set-up of control system are on pedestal 1 and lateral column 2, become modular system to be arranged in power and control system, pressure-like system is fixed on top board 3.Top board 3 is fixed by screw thread and lateral column 2.
Power and control system are made up of fuel tank 4, motor 5, hydraulic pump 6, hydraulic cylinder 7, control gear 8 and removable pressure-like platform 9.Removable pressure-like platform 9 is fixed on pedestal 1 by support, and motor 5 is connected with hydraulic pump 6, and fuel tank 4 is connected by pipeline with hydraulic pump 6, and fuel tank 4 is bolted on support; Hydraulic cylinder 7 is arranged on pedestal 1 central authorities, and its top and removable pressure-like platform 9 are fixed, and removable pressure-like platform 9 is built-in with displacement meter, for measuring the axial displacement of removable pressure-like platform 9; Control gear 8 is fixed on lateral column, detecting the position of removable sample preparation platform in real time, then making the built-in displacement meter of control gear 8, removable pressure-like platform 9 and power system form a servo feedback system by controlling motor 5.
When preparing different samples, corresponding Cheng Mo and pressure-like system can be selected.Become modular system to be fixed on removable pressure-like platform 9, pressure-like top cover 19 is fixed on top board 3 center by top set bolt, and removable pressure-like platform 9 has been bolted specimen mount 10.As shown in Figure 2, specimen mount 10 is provided with inside and outside one-tenth mould cylinder pickup groove 29,28; Solid sample is for becoming mould cylinder pickup groove 30 (i.e. outer one-tenth mould cylinder pickup groove 28), outer support bar fixed orifice 31, inner bracing piece fixed orifice 32, base fixed orifice 33.
When preparing hollow cylinder sample, as shown in Figure 1, Figure 3 and Figure 4, becoming modular system to comprise interior film forming cylinder mechanism and outer film forming cylinder mechanism, jointly being completed the work preparing hollow cylinder sample by both:
Wai Chengmotong mechanism is fixedly installed in specimen mount 10, and Wai Chengmotong mechanism comprises outer film forming cylinder 13, and outer film forming cylinder 13 surrounds cylinder by three annular valves 27; The annular that specimen mount 10 is provided with for fixing outer one-tenth mould cylinder becomes mould cylinder pickup groove 28 outward, and the skin of film forming cylinder 13 is fastening by outer garter spring 12, and outer garter spring 12 is at least provided with 2.The arranged outside of outer film forming cylinder 13 has outer support bar 11,4 outer support bars 11 be uniformly distributed and surround circle; The lower end of outer film forming cylinder 13 and outer support bar 11 is fixed in specimen mount 10, and the upper end of outer film forming cylinder 13 and outer support bar 11 is provided with outer film forming cylinder top cap 17;
Interior film forming cylinder organization establishes is in Wai Chengmotong mechanism, interior film forming cylinder mechanism is fixedly installed in specimen mount 10, interior film forming cylinder mechanism comprises interior one-tenth mould cylinder 14, interior one-tenth mould cylinder 14 is become the large valve of mould cylinder 25 and two central angles to be become the little valve 26 of mould cylinder to form in the annular of 30 ° in the annular of 150 ° by 2 central angles, wherein become four surface of contact of the large and small valve of mould cylinder parallel to each other, so that assembling; During practical operation, first assemble large valve 25, after put little valve 26, because surface of contact is parallel, little valve 26 can directly be tipped in, then by inner bracing piece 15 prop up come; When tearing sample open, by two little valves 26, by two little valves 26 by out, if make with outer become the same three valves of mould cylinder, because it is inside sample, very difficult during assembling.Be provided with vertical inner bracing piece 15 in the cavity of interior one-tenth mould cylinder 14, inner bracing piece 15 be provided with two groups of side arms 35; The lower end of interior one-tenth mould cylinder 14 and inner bracing piece 15 is fixed in specimen mount 10, and the upper end of interior one-tenth mould cylinder 14 and inner bracing piece 15 is fixed on interior film forming cylinder top cap 16.Specimen mount 10 center is provided with sample inner bracing piece fixed orifice 32 and circular inside and outside one-tenth mould cylinder pickup groove 29,28.Interior one-tenth mould cylinder top cap 16 is bolted on inner bracing piece upper end.
As shown in Figure 1, pressure-like system comprises pressure-like top cover 19, pressure-like bar 20 and ring-type pressure-like hammer 21.Pressure-like system is fixed on top board 3 by pressure-like top cover 19 and bolt.Three central angles are annular pressure-like bar 20 90 °, the interval between two of 30 °, are roundedly fixed on below pressure-like top cover 19.Pressure-like bar 20 lower end is provided with pressure-like hammer 21; The shape of pressure-like hammer 21 is the circular or toroidal that bottom is amplified.
When preparing solid cylindrical sample, become modular system as shown in Figure 6, only comprise outer one-tenth modular system, except base needs to be replaced by except solid specimen mount, all the other structures are identical with hollow sample; Pressure-like system is identical with when preparing hollow cylinder sample as shown in Figure 5, only the circular pressure-like hammer 21 of pressure-like bar 20 lower end is changed and makees circular pressure-like hammer 24.
The utility model Cheng Mo and pressure-like system are divided into 4 groups by made sample, respectively with hollow cylinder sample (bulk specimen size: internal diameter × external diameter × height/160 × 200 × 400mm; Small sample size: internal diameter × external diameter × height/60 × 100 × 200mm) and solid sample (diameter × height/39.1 × 80mm; Diameter × height/100 × 200mm) corresponding, in addition, also can customize according to sample.Here the design concept (preparation of other samples is close with it) of hollow cylinder small sample sample-pressing device is described.
1) pressure-like design
When three axle samples is reinvented in preparation, usually according to correlation test specification, sample is divided into some layers, then adopts layering compacting process, hit and will try sample compacting by the larger hammer of deadweight in real time.But, because the impulsive force of hammer is comparatively large, hits real process and inevitably Secondary Disturbance is produced to the soil body, make to reinvent sample inside and there is microfissure, reduce the confidence level of follow-up test.The utility model adopts layering pressure-like method, eliminates and hits in fact to soil body Secondary Disturbance, reduce people and hit real error, at utmost simulates natural rock-filled deposition forming process, improves the quality reinventing sample.
2) power system design
The utility model adopts hydraulic power system, greatly reduces the intensity of manual labor.Traditional compacting process is when preparing the sample that dry density is comparatively large, intensity is higher, not only waste time and energy, and sample mass is poor, because oil hydraulic system has that pressure is large, good stability, is easy to the features such as control, making this pressure-like machine have unique advantage when preparing this type of sample, improve the applicability of sample preparation facility.
3) power and Control System Design
Usually need artificial visually examine's specimen height when sample is reinvented in preparation, carry out the homogeneity of Control Assay, this method cannot ensure the quality of sample reliably.The utility model inbuilt displacement meter and control gear 8, the position of the removable sample preparation platform of real-time detection, and control gear, displacement meter and power system are formed a servo feedback system, displacement of targets is inputted by control gear, control the position of removable pressure-like platform, strictly to control the height of every layer of sample, not only achieve semi-automation prepared by sample, and the degree of uniformity that improve sample of maximum possible.
4) pressure-like bar and pressure-like are hammered into shape and are designed
The utility model adopts pressure-like bar but not pressure-like cylinder transmits vertical pressure, reduce pressure-like system with inside and outside become friction between mould cylinder, and, by the space between bar, can real-time monitored inside and outside become mould cylinder position, pressure-like hammer and latex film with or without the situation such as swiping, whether soil sample particle is extruded.Pressure-like bar 20 is three fan-shaped bars, and adopt thick 5mm, the corrosion resistant plate of wide 20mm bends and form, its length is identical with inside and outside one-tenth mould cylinder.Pressure-like bar 20 lower end is connected with circular pressure-like hammer 21, and Enlargement Design is all done in inside and outside both sides, pressure-like hammer bottom, sample upper surface uniform force during to make pressure-like.In addition, in order to avoid phase mutual friction between pressure-like hammer with inside and outside latex film, latex film is pullled distortion by pressure-like hammer and is caused sample local defect, and pressure-like hammer stretches between inside and outside one-tenth mould cylinder after cavity, needs to retain the gap of 1mm to operate between inside and outside latex film.Inside and outside latex film is necessary auxiliary consumptive material when preparing hollow cylinder sample, now applies widely in geotechnological field.
5) mould cylinder valve designs is become
Inside and outside one-tenth mould cylinder all adopts valve designs, considers into the convenience of mould cylinder globality and dismounting, and outer one-tenth mould cylinder 13 is made up of three identical valves; Interior one-tenth mould cylinder 14 is made up of two large valves 25 and two little valves 26, has the draw-in groove 34 of fixing inner bracing piece side arm inside it.Inner bracing piece 15, outer garter spring 12 and specimen mount inside and outside become mould cylinder pickup groove 29,28 common support with fixing inside and outside become modular system, when preventing pressure-like, sample lateral expansion is excessive and make into modular system distortion.
6) the cap design of mould cylinder top is become
Time prepared by sample, soil particle can fall into the gap place between inside and outside one-tenth mould cylinder lower end and specimen mount, and along with the increase of pressure-like pressure, soil particle is constantly clamp-oned in gap, causes inside and outside one-tenth mould cylinder to tilt.Thus, on inside and outside one-tenth mould cylinder top, fix inside and outside one-tenth mould cylinder top cap by inside and outside support bar, the two respectively with inside and outside become mould cylinder joint continuity, closely.Interior one-tenth mould cylinder top cap sleeve hoop is on interior one-tenth mould cylinder top, identical with interior one-tenth mould cylinder outside diameter outside it; Outer one-tenth mould cylinder top cap sleeve hoop becomes mould cylinder top outside, identical with outer one-tenth mould cylinder inside diameter inside it.Then, inside and outside one-tenth mould cylinder, under vertical pressure effect, with specimen mount compact siro spinning technology, is extruded to prevent soil particle.Deduction embed specimen mount part and embed inside and outside become after the cap portion of mould cylinder top, one-tenth mould cylinder and sample contacts section height should be contour with sample.Because which floor soil sample last is loose shape before hitting reality, thus, inside and outside one-tenth mould cylinder top cap also plays the effect that will mould cylinder become to extend, the height of inside and outside one-tenth mould cylinder top cap is can just hold last one deck soil for standard, rule of thumb 80,100 the sample top cap height that, 200mm is high is the sample top cap height that 25mm, 400mm are high is 50mm.
7) sample one-shot forming design
When preparing hollow cylinder sample, the solid cylindrical sample usually adopting first preparation height and external diameter to meet the demands, then, gets core by solid sample, obtains hollow cylinder sample.But, get core operation to sample disturbance comparatively greatly, and higher for intensity, that particle is larger soil, sample is got core and is become abnormal difficult.The utility model, when preparing hollow cylinder sample, adopts compacting, is once made by hollow cylinder sample, avoid the Secondary Disturbance to sample when getting core, improve the applicability of this pressure-like machine.
8) applicability design
In order to prepare highly different samples, the top board of pressure-like machine, by being elevated with the screw thread on side lever, makes the range of moveable platform can meet the requirement of preparation various sample.Cheng Mo and pressure-like system are all detachable, change corresponding device, in addition, also according to actual conditions, can be customized to mould and pressure-like system according to prepared sample.One-shot forming sample preparation, hydraulic power system, servo feedback system improve applicability prepared by sample all to a certain extent, make this pressure-like machine can meet the sample preparation requirement of multiple soil test.
Operation steps of the present utility model is as follows:
1) system assembles:
According to prepared sample, choose corresponding Cheng Mo and pressure-like system (here for hollow cylinder sample, the preparation of other samples is close with it).Specimen mount 10 is fixed on removable pressure-like platform 9, becomes inside and outside base between mould cylinder (13,14) and put annular filter paper well.Cover to become on mould cylinder 13 and banding outside, becomes to put latex film inside mould cylinder 13 with outer by outside interior one-tenth mould cylinder 14, and by two ends turnup pressing in sample base with interior become mould cylinder top cap 16 with outer become mould cylinder top cap 17.Be fixed on by inner bracing piece 15 in specimen mount center inner bracing piece fixed orifice 32, become inside the little valve of mould cylinder in draw-in groove 34 in inner bracing piece side arm embeds, outer garter spring 12 inside and outside one-tenth mould cylinder top cap is fixed on inner bracing piece 15 with on outer support bar 11.Pressure-like top cover 19, pressure-like bar 20, pressure-like hammer 21 are assembled on top board 3.
2) system fading margin:
By operation control gear 8, removable pressure-like platform is risen to peak, regulate top board 3 height by rotating top plate both sides bolt, contact specimen mount completely with pressure-like hammer and be as the criterion, top board is fixed, and by the displacement zero setting of control gear.
3) calculate and sample: according to the soil sample calculating gained and take respective quality, and be divided into some parts (here for five parts), sample overall height is 200mm, and every layer height is 40mm.
4) pressure-like:
Removable pressure-like platform 9 is reduced as far as possible, loads one deck soil sample, with plastics club, soil sample is smash flat in fact a little, outer in pressure-like hammer 21 is coated talcum powder.By control gear hydraulic control system, make moveable platform rise to specimen mount apart from pressure-like hammer 40mm place, bottom surface, noting observation in compacting process, whether inside and outside latex film is pullled, whether soil sample hammers 21 both sides into shape from pressure-like extrudes.Moveable platform is reduced as far as possible, hair is thrown on this layer of soil surface, to increase the integrality of interlayer connection and sample, prevents inside from there is lamination, then, compacting the second to layer 5 in the same way.After sample preparation completes, each assembly is removed according to order from top to bottom, from inside to outside by one-tenth modular system successively.
Claims (10)
1. a semi-automatic multifunction soil test pressure-like machine, it is characterized in that, comprise mounting system, power and control system, become modular system and pressure-like system, described mounting system comprises pedestal (1), lateral column (2) and top board (3), the lower end of described lateral column (2) is fixed on pedestal (1), the upper end of described lateral column (2) is fixed with top board (3), described power and set-up of control system are on pedestal (1) and lateral column (2), described one-tenth modular system is arranged in power and control system, described pressure-like system is fixed on top board (3).
2. semi-automatic multifunction soil test pressure-like machine according to claim 1, it is characterized in that, described power and control system comprise fuel tank (4), motor (5), hydraulic pump (6), hydraulic cylinder (7), control gear (8) and removable pressure-like platform (9), removable pressure-like platform (9) is fixed on pedestal (1) by support, motor (5) is connected with hydraulic pump (6), fuel tank (4) is connected by pipeline with hydraulic pump (6), and fuel tank (4) is by being fixed on support; Hydraulic cylinder (7) is arranged on pedestal (1) central authorities, its top and removable pressure-like platform (9) are fixed, and removable pressure-like platform (9) is built-in with the displacement meter of the axial displacement for measuring removable pressure-like platform (9); Control gear (8) is fixed on lateral column, detects the position of removable sample preparation platform (9) by controlling motor (5) in real time.
3. semi-automatic multifunction soil test pressure-like machine according to claim 1, it is characterized in that, described one-tenth modular system comprises the Wai Chengmotong mechanism of hollow, described Wai Chengmotong mechanism is fixedly installed in specimen mount (10), described Wai Chengmotong mechanism comprises outer film forming cylinder (13), and described outer film forming cylinder (13) surrounds cylinder by three valves (27); The skin of described outer film forming cylinder (13) is fixed by outer garter spring (12), and the arranged outside of described outer film forming cylinder (13) has outer support bar (11), and described outer support bar (11) surrounds circle; The lower end of described outer film forming cylinder (13) and outer support bar (11) is fixed in specimen mount (10), and the upper end of described outer film forming cylinder (13) and outer support bar (11) is provided with outer film forming cylinder top cap (17).
4. semi-automatic multifunction soil test pressure-like machine according to claim 3, it is characterized in that, described one-tenth modular system also comprises the interior film forming cylinder mechanism of hollow, described interior film forming cylinder organization establishes is in Wai Chengmotong mechanism, described interior film forming cylinder mechanism is fixedly installed in specimen mount (10), described interior film forming cylinder mechanism comprises interior one-tenth mould cylinder (14), and described interior one-tenth mould cylinder (14) is the cylinder becoming the large valve of mould cylinder (25) and the hollow becoming the little valve of mould cylinder (26) to surround in two in 2; Be provided with vertical inner bracing piece (15) in the cavity of described interior one-tenth mould cylinder (14), described inner bracing piece (15) be provided with two groups of side arms (35); The lower end of described interior one-tenth mould cylinder (14) and inner bracing piece (15) is fixed in specimen mount (10), and the upper end of described interior one-tenth mould cylinder (14) and inner bracing piece (15) is fixed on interior film forming cylinder top cap (16).
5. semi-automatic multifunction soil test pressure-like machine according to claim 1, it is characterized in that, described pressure-like system cylindrically, comprise pressure-like top cover (19), pressure-like bar (20) and ring-type pressure-like hammer (21), pressure-like top cover (19) below is connected with three pressure-like bars (20), and pressure-like bar (20) lower end is provided with pressure-like hammer (21).
6. the semi-automatic multifunction soil test pressure-like machine according to any one of claim 1-5 claim, is characterized in that, described top board (3) is fixed by screw thread and lateral column (2).
7. the semi-automatic multifunction soil test pressure-like machine according to any one of claim 1-5 claim, it is characterized in that, described pressure-like system is fixed on top board (3) by pressure-like top cover (19) and bolt.
8. semi-automatic multifunction soil test pressure-like machine according to claim 3, is characterized in that, described outer garter spring (12) is at least provided with 2.
9. semi-automatic multifunction soil test pressure-like machine according to claim 4, is characterized in that, the valve (27) of described outer film forming cylinder (13) is annular valve; Centered by the large valve of described interior one-tenth mould cylinder (25), angle is the annular valve of 150 °; Centered by the little valve of described interior one-tenth mould cylinder (26), angle is the annular valve of 30 °.
10. semi-automatic multifunction soil test pressure-like machine according to claim 4, is characterized in that, the shape of described pressure-like hammer (21) is the circular or toroidal that bottom is amplified.
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| CN105865875A (en) * | 2016-05-18 | 2016-08-17 | 北京安赛博技术有限公司 | Experimental device for keeping consistency of soil physical properties |
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2014
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| CN110274830A (en) * | 2019-04-18 | 2019-09-24 | 防灾科技学院 | A kind of drift-sand Modified soil tensile characteristics test macro |
| CN112924261A (en) * | 2021-01-19 | 2021-06-08 | 四川省建筑科学研究院有限公司 | Hydraulic multi-angle layered triaxial sample preparation device and sample preparation method thereof |
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