CN104849116B - A kind of soil sample for soil test cuts sample instrument - Google Patents
A kind of soil sample for soil test cuts sample instrument Download PDFInfo
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- CN104849116B CN104849116B CN201510267741.0A CN201510267741A CN104849116B CN 104849116 B CN104849116 B CN 104849116B CN 201510267741 A CN201510267741 A CN 201510267741A CN 104849116 B CN104849116 B CN 104849116B
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Abstract
Sample instrument is cut the present invention relates to a kind of soil sample for soil test, the defect that there is no undisturbed soil sample piecemeal special purpose device is solved compared with prior art.The bottom of middle rack of the present invention is arranged on the sidepiece of cutterhead frame, and cutterhead frame, which is located at below the top of shell cavity, cutterhead frame, is provided with cutter, and cutter is located at the surface into the edge of a knife；Transmission system includes rotary shaft, rotary shaft, which is extended transversely through, to be installed on the support frame and positioned at the top of spacing cavity, rotary shaft is constituted with support frame and is rotatably assorted, one end of rotary shaft is installed with handle, the other end of rotary shaft is installed with gear, rack is vertically mounted on the sidepiece of support frame and constituted with support frame and is slidably matched, and rack and pinion is meshed and when handle pull down, and cutter is inserted in cavity by entering the edge of a knife.The present invention can carry out accurate piecemeal for soil test, and the soil sample surface cut out is smooth, regular shape, it is easy to later stage fine sample preparation, and reduce and cut sample disturbance.
Description
Technical field
The present invention relates to soil test engineering device technique field, specifically a kind of soil sample for soil test cuts sample
Instrument.
Background technology
In geotechnical engineering investigation, in order to accurately judge the physico-mechanical properties of Rock And Soil, except taking original position at the scene
Beyond the method for test, in addition it is also necessary to which the ground sample for gathering original state or disturbance returns to interior, geotechnological examination is carried out using specific instrument
Test, discriminatory analysis is carried out to the physical mechanical property index of Rock And Soil according to the result of experiment.
Conventional soil test include physical index Test (such as screen analysis test, liquid limit and plastic limit test, water content,
Unit weight, specific gravity test etc.) and mechanical property index Test (such as compression test, shear strength test).Wherein mechanical index is tested
The experiment carried out primarily directed to the undisturbed soil sample that scene is taken, it is therefore an objective to keeping the situation of soil sample prototype structure and state
Under, the engineering stress of soil sample is simulated using test apparatus, to the mechanical response of soil sample（Compression property, shear property etc.）Enter
Row test, engineering construction is instructed by result of the test.
The mechanical index experiment of Rock And Soil requires high to the original state of soil sample, at the scene sampling, transport, preservation, sample preparation,
The links such as experiment suffer from strict requirements.《Architectural engineering geological prospecting and sampling code》（JGJT87-2012）Describe in detail
The taking and store method of undisturbed soil sample, during transport to laboratory is sampled at the scene, as long as strictly observing《Building
Engineer geological prospecting and sampling code》（JGJT87-2012）Related request, the original state of soil sample can be ensured substantially.But
When carrying out laboratory soil test, disturbance of the sample making course to undisturbed soil sample is larger, and result of the test is have impact on to a certain extent
Accuracy, its accuracy directly affects the security and economy of engineering construction.
Using the standard specimen progress for being about 20mm or 40mm, diameter 61.8mm or 79.8mm more than current laboratory soil test
Experiment, and undisturbed soil sample general long 200mm, the diameter 110mm that scene is taken, thus need to enter the undisturbed soil sample that scene is taken
After row piecemeal, it is fabricated to standard specimen and is tested.And the method to undisturbed soil sample stripping and slicing is more original, it is many using steel wires with
The simple bow saw of bamboo chip composition carries out cutting.Its method is：Soil sample is flat on level table by major diameter direction, operating personnel
One hand pins soil sample, and another hand cuts soil sample with bow saw, and soil sample is constantly rotated during soil sample is cut, is made on bow saw
Steel wire gradually go deep among soil sample, finally cut off soil sample.Repeatedly ability cutting is many for each undisturbed soil sample bow saw cutting
Individual coupon, further fine cutting is then carried out to coupon, standard size is reached again.
Therefore, manually cut sample using bow saw and there is following shortcoming：1）Cut sample process soil sample stress complicated, on the one hand by
The strength of operator's hand pressing, on the other hand in continuous rotate, the direction of stress and size are at change, and soil sample is disturbed
It is dynamic larger, it have impact on the accuracy of result of the test；2）Bow saw cuts soil sample section out-of-flatness, easily causes to cut sample failure, also increases
Workload and difficulty that the later stage finely cuts are added；3）Bow saw is poor to the soil sample applicability of hard plastic state, cuts sample Period Process
Longer, labor intensive is more, cuts sample inefficiency, have impact on experiment progress；4）Bow saw is easily damaged, once damaging to change
Brand-new instrument, it is maintainable poor.
How to design a kind of instrument for being exclusively used in carrying out undisturbed soil sample piecemeal and have become the technical problem for being badly in need of solving.
The content of the invention
The invention aims to the defect for solving to there is no undisturbed soil sample piecemeal special purpose device in the prior art, there is provided one
Plant and cut sample instrument to solve the above problems for the soil sample of soil test.
To achieve these goals, technical scheme is as follows：
A kind of soil sample for soil test cuts sample instrument, including support frame, transmission system, cutter holder assembly and limit chamber
Body, described spacing cavity includes shell cavity and the framework coupling block installed in shell cavity sidepiece, and spacing cavity passes through frame
Frame coupling block, which is arranged in the middle part of the bottom of support frame, shell cavity, to be transversely provided with cavity, shell cavity positioned at cavity
Top is provided with into the edge of a knife；Cutter holder assembly includes cutterhead frame, and the bottom of rack is arranged on the sidepiece of cutterhead frame, and cutterhead frame is located at cavity
Cutter is installed below the top of shell, cutterhead frame, cutter is located at the surface into the edge of a knife；
Transmission system includes rotary shaft, and rotary shaft, which is extended transversely through, to be installed on the support frame and positioned at the upper of spacing cavity
Side, rotary shaft is constituted with support frame and is rotatably assorted, and one end of rotary shaft is installed with handle, and the other end of rotary shaft is fixed
Gear is installed, rack is vertically mounted on the sidepiece of support frame and constituted with support frame and is slidably matched, rack and pinion phase
Engage and when handle pull down, cutter is inserted in cavity by entering the edge of a knife.
Described transmission system also includes guide rod, and guide rod upper end is fixedly mounted on the support frame, guide rod lower end
It is fixedly mounted on spacing cavity, cutterhead frame is installed through on guide rod and constituted with guide rod and is slidably matched.
Also include torsionspring, torsionspring covers on the rotating shaft, one end and the rotary shaft of torsionspring are fixedly mounted, and turn round
The other end and support frame for turning spring are fixedly mounted.
It is rectangular configuration at the top knife back of described cutter, is semicircular structure at the bottom blade of cutter, cutter
Middle part is provided with circular opening.
T-shaped neck is provided with below described cutterhead frame, the top of cutter is provided with T-shaped head, and cutter is arranged on knife by T-shaped head
On the T-shaped neck of plate rail.
Also include soil sample box, soil sample box is located in cavity, and soil sample box includes back box and upper lid, and upper lid is arranged on by hinge
In back box, upper lid is provided with into the edge of a knife, enters the edge of a knife corresponding up and down with entering the edge of a knife；The sidepiece of back box is provided with screw rod through screw thread,
One end on screw rod in back box is installed with the one end being located on steel disc, screw rod outside back box and is installed with knob.
The sidepiece being provided with described shell cavity positioned at the bottom of cavity on guide groove, shell cavity positioned at cavity is provided with
Neck；Gib block is installed with below described soil sample box, the sidepiece of soil sample box is installed with card article, and gib block is inserted in
In guide groove, card article is inserted in neck.
Described cutter, enter the edge of a knife and enter the quantity of the edge of a knife to be at least 2, adjacent cutter, it is adjacent enter the edge of a knife and
The adjacent spacing entered between the edge of a knife is 20mm or 40mm.
Beneficial effect
A kind of soil sample for soil test of the present invention cuts sample instrument, can enter compared with prior art for soil test
The accurate piecemeal of row, the soil sample surface that cuts out is smooth, regular shape, it is easy to later stage fine sample preparation, and reduce cut sample disturbance,
Mechanical test accuracy is improved, human input has been saved, has improved test efficiency, is easy to repair and maintenance.
By transmission system and the Combination Design of cutter holder assembly, unique vertical stress can be applied to soil sample to be cut, protected
Card cuts the unicity of soil sample stress during sample；By the design of spacing cavity and soil sample box, the position of soil sample to be cut can be limited
Move；It can as far as possible reduce and cut disturbance of the sample process to soil sample, the structure and state of the soil sample that maintains the original state, so as to ensure soil sample
The accuracy of mechanical test result.
Due to the mechanism transmission design of transmission system, reduce the input for cutting power during sample, and it is simple to operate, alleviate
Manpower is born；Cutter holder assembly can disposably complete the cutting process of a sample, need what dozens of minutes could be completed originally
Sample work is cut, only needs a few minutes to complete, greatly improves the efficiency for cutting sample.Set by the replaceable of cutter in cutter holder assembly
Meter, even if indivedual cutters are damaged, old cutter can be directly extracted from neck, more renews cutter in use.Entirely
Operation is very easy, reduces the expense of maintenance of machine, reduces loss.
Brief description of the drawings
Fig. 1 is structural side view of the invention；
Fig. 2 cuts structural side view during sample for the present invention；
Fig. 3 is structure front view of the invention；
Fig. 4 is the structural side view of medium-height trestle component of the present invention；
Fig. 5 is the structural side view of transmission system in the present invention；
Fig. 6 is the structural side view of intermediate slide component of the present invention；
Fig. 7 is the structure front view of intermediate slide component of the present invention；
Fig. 8 is the structural side view of spacing cavity in the present invention；
Fig. 9 is the structure top view of spacing cavity in the present invention；
Figure 10 is the structure front view of soil sample box in the present invention；
Figure 11 is the structure top view of soil sample box in the present invention；
Wherein, 1- bracket components, 2- transmission systems, 3- cutter holder assemblies, the spacing cavitys of 4-, 5- soil samples box, 6- support frames,
7- guide rods, 8- fastener A, 9- screw, 10- handles, 11- gears, 12- racks, 13- fastener B, 14- rotary shaft, 15- are turned round
Turn spring, 16- cutterheads frame, 17- cutters, 18- circular openings, the T-shaped necks of 19-, 20- frameworks coupling block, 21- shell cavities,
22- cavitys, 23- necks, 24- guide grooves, 25- screws, 26- enter the edge of a knife, lid, 28- back box, 29- gib blocks, 30- switch on 27-
Button, 31- steel discs, 32- knobs, 33- screw rods, 34- card articles, the spacing blend stops of 35-, 36-T forming heads, 37- enter the edge of a knife.
Embodiment
To make to have a better understanding and awareness to architectural feature of the invention and the effect reached, to preferably
Embodiment and accompanying drawing coordinate detailed description, are described as follows：
As shown in Figure 1, Figure 2 and Figure 3, a kind of soil sample for soil test of the present invention cuts sample instrument, including support
Component 1, support frame 6, transmission system 2, cutter holder assembly 3 and spacing cavity 4, bracket component 1 play support fixation, such as scheme
Shown in 4, bracket component 1 includes support frame 6, and support frame 6 is the supporting construction of single unit system, and it can be dextrad side U-shaped
Shape structure, can form support fixation up and down.As shown in Figure 8 and Figure 9, spacing cavity 4 includes the He of shell cavity 21
Installed in the framework coupling block 20 of the sidepiece of shell cavity 21, the effect of framework coupling block 20 is that spacing cavity 4 is fixed on into support
On framework 6, framework coupling block 20 can be overall structure with shell cavity 21, and spacing cavity 4 is installed by framework coupling block 20
In the bottom of support frame 6, a screw 25 can be designed on framework coupling block 20, by screw 25 by framework coupling block 20
It is fixed with the bottom mounting screw 9 of support frame 6.The middle part of shell cavity 21 is transversely provided with cavity 22, and cavity 22 is laterally
Top on through cavities shell 21, shell cavity 21 positioned at cavity 22 is provided with into the edge of a knife 26, enters the edge of a knife 26 and shell cavity 21
It is perpendicular to be opened in the upper surface of shell cavity 21, positioned at the top of cavity 22, for when carrying out cutting sample operation cutter 17 insert
Enter.
As shown in Figure 6 and Figure 7, cutter holder assembly 3 includes cutterhead frame 16, and cutterhead frame 16 can be designed to two layers of rectangle steel disk knot
Structure, the size on upper strata is less than lower floor, and the superstructure of cutterhead frame 16 is used to be fixed with rack 12, i.e., the bottom of rack 12 leads to
Cross the sidepiece that firm part B13 is arranged on cutterhead frame 16；The understructure of cutterhead frame 16 is used to install under cutter 17, i.e. cutterhead frame 16
Side is provided with cutter 17.The sidepiece that rack 12 is arranged on cutterhead frame 16 causes cutterhead frame 16 to be installed on the top of shell cavity 21,
I.e. cutter 17 is located at into the surface of the edge of a knife 26.
As shown in Fig. 2, Fig. 3 and Fig. 5, transmission system 2 includes rotary shaft 14, and rotary shaft 14 is extended transversely through installed in carriage
On frame 6 and positioned at the top of spacing cavity 4, rotary shaft 14 is horizontally arranged in support frame 6.Rotary shaft 14 and support frame 6
Composition is rotatably assorted, and composition is rotatably assorted and can make various ways of the prior art, such as rotary shaft 14 and support frame 6 it
Between bearing is installed, realization is freely rotated.In order to increase elastic force to rotary shaft 14, torsionspring 15 can also be installed additional.Turn round
Turn spring 15 to be enclosed in rotary shaft 14, one end and the rotary shaft 14 of torsionspring 15 are fixedly mounted, the other end of torsionspring 15
It is fixedly mounted with support frame 6.So after the rotation of rotary shaft 14, after external force disappears, torsionspring 15 causes rotary shaft 14 times
Multiple original state.One end of rotary shaft 14 is installed with handle 10, and the other end of rotary shaft 14 is installed with gear 11, leads to
Pulling handle 10 is crossed, can be rotated with moving gear 11.Rack 12 be vertically mounted on the sidepiece of support frame 6 and with support frame 6
Composition is slidably matched, and it, which is slidably matched, to be of the prior art a variety of, such as one slide rail of design, will install individual on rack 12
Sliding block, slip of the rack 12 in support frame 6 is realized using the combination of sliding block and slide rail.Rack 12 is arranged on support frame 6
The sidepiece of the upper and equidirectional of gear 11, rack 12 is meshed with gear 11 and when handle 10 is pulled down, cutter 17 passes through feed
Mouth 26 is inserted in cavity 22.When i.e. handle 10 is pulled down, the rotating band carry-over bar 12 of gear 11 is walked, and rack 12 is moved downward, and is driven
Cutter 17 is inserted in cavity 22.When lifting or unclamping on handle 10, by the spring force of torsionspring 15, gear 11 is reversely rotated
Band carry-over bar 12 is moved upwards, so as to leave cavity 22 with cutter 17.
In order to ensure perpendicularity during 17 downward movement of cutter, guide rod 7 can also be installed additional in transmission system 2.It is oriented to
The upper end of bar 7 is fixedly mounted in support frame 6 by firm part A8, and the lower end of guide rod 7 is fixedly mounted on spacing cavity 4, i.e.,
Guide rod 7 is parallel with rack 12.Cutterhead frame 16 is installed through on guide rod 7, and the slip with guide rod 7 is realized using bearing
Coordinate so that cutterhead frame 16 is in downward movement, while further ensure that cutter with guide rod 7 and rack 12 to be oriented to
The 17 downward vertical degrees of accuracy.
In view of the particularity of soil test, when the undisturbed soil sample taken at the scene of carrying out carries out blocked job, prior art
It is middle to be cut using steel wire, due to relatively thin, substantially no sectional area of steel wire, it is easy to cutting.And traditional cutter structure
Middle blade is that rectangular configuration, overall knife face are solid construction, and wherein rectangle blade causes that cut surface is excessive, cutting is difficult, solid
Lateral resistance is larger when knife face causes incision soil sample, and blade face is firmly excessively concentrated, and blocked job is caused on the whole to undisturbed soil
The perturbation of sample is larger.In order to reduce as far as possible square is can be designed as at the perturbation to undisturbed soil sample, the top knife back of cutter 17
It is semicircular structure at shape structure, the bottom blade of cutter 17, cutter 17 is rectangle longitudinally connected half from the knife back to blade direction
Circular configuration.The middle part of cutter 17 can set circular opening 18 so that during 17 incision of cutter, it is to avoid the stress concentration of cutter 17,
Extend the service life of cutter 17.And the middle part of cutter 17 uses the structure design of circular opening 18, it is often more important that reduce
Cut the native collateral resistance that cutter during sample is subject to.Total resistance F=resistance f suffered by unit area is multiplied by cutter as suffered by cutter
Area A, and when reduce the area A of cutter, resistance f suffered by unit area it is constant when, then resistance F values total suffered by cutter subtract
It is small.At the top knife back of cutter 17（At rectangular configuration）It can use compared with thick steel products, at the bottom blade of cutter 17（Semicircular structure
Place）It can use compared with light material, the tool face for causing cutter 17 is in ramp structure, can preferably cause the top knife back of cutter 17
Place easily cuts soil sample, further reduces the perturbation of soil sample.
Cutter 17 is changed for convenience, and the lower section of cutterhead frame 16 is provided with T-shaped neck 19, and the top of cutter 17 is provided with T-shaped first 36,
Cutter 17 is arranged on by T-shaped first 36 on the T-shaped neck 19 of cutterhead frame 16.T-shaped first 36 is stuck on T-shaped neck 19, is realized
Lower limit, when cutter 17, which is damaged, needs change cutter 17, then T-shaped first 36 is slided from T-shaped neck 19 taking-up replacing
.
By the undisturbed soil sample of collection in worksite, being put into cavity 22 can realize that it cuts sample operation, but undisturbed soil sample is not
Fixed in cavity 22, the movement of undisturbed soil sample may also can be caused by cutting sample process.Therefore as shown in Figure 10 and Figure 11, can be with
Using soil sample box 5, soil sample box 5 is located in cavity 22, and soil sample box 5 includes back box 28 and upper lid 27, and back box 28 is cylindrical structure,
Its both sides is disk, and upper lid 27 is arranged in back box 28 by hinge, is covered by upper lid 27 and a closing is formed in back box 28
Box body.Swich buckle 30 can be installed on upper lid 27, install raised in back box 28, it is real by swich buckle 30 and raised combination
Lid 27 locks, unlocks on now.Upper lid 27 is provided with into the edge of a knife 37, enter the edge of a knife 37 with enter the edge of a knife about 26 it is corresponding, cutter 17 can
To be penetrated by entering the edge of a knife 26 into the edge of a knife 37, hence into back box 28.Here, entering the edge of a knife 37, entering the edge of a knife 26 and can be designed to only
Section opening on upper lid 27, the top of shell cavity 21, can also be designed to that the top in addition to bottom, two sidepieces are designed
Opening, so as to facilitate the overall incision of cutter 17.And it is easy to implement once-through operation and can completes segmentation and cuts sample operation, cutter
17th, enter the edge of a knife 26 and enter the quantity of the edge of a knife 37 and be at least 2, typically can be 7, adjacent cutter 17, adjacent feed
Mouthfuls 26 and the adjacent spacing entered between the edge of a knife 37 be 20mm or 40mm.
In order to adapt to the undisturbed sample that size is different, not up to standard, screw thread can be run through in the sidepiece of back box 28 spiral shell is installed
Bar 33, screw rod 33 passes through threaded rotational movement in the sidepiece of back box 28.The one end being located on screw rod 33 in back box 28 is fixedly mounted
There is the one end being located on steel disc 31, screw rod 33 outside back box 28 to be installed with knob 32.By the rotation of knob 32, screw rod is realized
33 side-to-side movement, so as to drive the side-to-side movement of steel disc 31, realizes the effect for clamping undisturbed sample not up to standard.
The sidepiece for being located at cavity 22 on guide groove 24, shell cavity 21 is provided with shell cavity 21 positioned at the bottom of cavity 22
Provided with neck 23.Match with guide groove 24 and neck 23, gib block 29, soil sample are installed with the lower section of soil sample box 5
The sidepiece of box 5 is installed with card article 34, and gib block 29 is inserted in guide groove 24, and card article 34 is inserted in neck 23.By being oriented to
Bar 29 coordinates with guide groove 24, card article 34 is engaged with neck 23, realizes shell cavity 21 with soil sample box 5 at least two
The restriction put, that is, prevent rotation of the soil sample box 5 in shell cavity 21.Similarly, it can also be filled in shell cavity 21, take out soil
The sidepiece of sample box 5 installs a spacing blend stop 35, after soil sample box 5 is filled in, and will be dialled on spacing blend stop 35, keeps off spacing blend stop 35
Outside soil sample box 5, left and right displacement of the soil sample box 5 in shell cavity 21 is limited.
In actual use, it is necessary to undisturbed soil sample segmentation be carried out when cutting sample, as shown in figure 1, undisturbed soil sample is put into back box
28, cover lid 27, soil sample in back box 28 is arrived to position by turn knob 32 using steel disc 31.Soil sample box 5 is put into outside cavity
In the cavity 22 of shell 21, carried out using spacing blend stop 35 spacing.As shown in Fig. 2 lower handle 10, band moving gear 11 rotates, by
It is meshed in gear 11 with rack 12 and gear 11 has been limited in support frame 6 by rotary shaft 14, then the rotating band of gear 11
Carry-over bar 12 is moved downward.Then band movable knife disc frame 16 is moved downward rack 12, limit of the cutterhead frame 16 in rack 12 and guide rod 7
Under position, cutter 17 is inserted in cavity 22, back box 28 by entering the edge of a knife 26, entering the edge of a knife 37, carrying out segmentation to undisturbed soil sample cuts sample.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent is defined.
Claims (8)
1. a kind of soil sample for soil test cuts sample instrument, including support frame（6）, transmission system（2）, cutter holder assembly（3）With
Spacing cavity（4）, it is characterised in that：Described spacing cavity（4）Including shell cavity（21）With installed in shell cavity（21）
The framework coupling block of sidepiece（20）, spacing cavity（4）Pass through framework coupling block（20）Installed in support frame（6）Bottom, chamber
Body case（21）Middle part be transversely provided with cavity（22）, shell cavity（21）It is upper to be located at cavity（22）Top be provided with into the edge of a knife
（26）；Cutter holder assembly（3）Including cutterhead frame（16）, rack（12）Bottom be arranged on cutterhead frame（16）Sidepiece, cutterhead frame
（16）Positioned at shell cavity（21）Top, cutterhead frame（16）Lower section is provided with cutter（17）, cutter（17）It is located at into the edge of a knife
（26）Surface；
Transmission system（2）Including rotary shaft（14）, rotary shaft（14）Extend transversely through installed in support frame（6）Above and positioned at spacing
Cavity（4）Top, rotary shaft（14）With support frame（6）Composition is rotatably assorted, rotary shaft（14）One end be installed with
Handle（10）, rotary shaft（14）The other end be installed with gear（11）, rack（12）It is vertically mounted on support frame（6）'s
Sidepiece and and support frame（6）Composition is slidably matched, rack（12）With gear（11）It is meshed and works as handle（10）During drop-down, knife
Tool（17）By entering the edge of a knife（26）It is inserted in cavity（22）It is interior.
2. a kind of soil sample for soil test according to claim 1 cuts sample instrument, it is characterised in that：Described power train
System（2）Also include guide rod（7）, guide rod（7）Upper end is fixedly mounted on support frame（6）On, guide rod（7）Peace is fixed in lower end
Mounted in spacing cavity（4）On, cutterhead frame（16）It is installed through guide rod（7）Upper and and guide rod（7）Composition is slidably matched.
3. a kind of soil sample for soil test according to claim 1 cuts sample instrument, it is characterised in that：Also include reversing bullet
Spring（15）, torsionspring（15）It is enclosed on rotary shaft（14）On, torsionspring（15）One end and rotary shaft（14）It is fixedly mounted, turns round
Turn spring（15）The other end and support frame（6）It is fixedly mounted.
4. a kind of soil sample for soil test according to claim 1 cuts sample instrument, it is characterised in that：Described cutter
（17）The top knife back at be rectangular configuration, cutter（17）Bottom blade at be semicircular structure, cutter（17）Middle part set
There is circular opening（18）.
5. a kind of soil sample for soil test according to claim 1 cuts sample instrument, it is characterised in that：Described cutterhead frame
（16）Lower section is provided with T-shaped neck（19）, cutter（17）Top be provided with T-shaped head（36）, cutter（17）Pass through T-shaped head（36）Install
In cutterhead frame（16）T-shaped neck（19）On.
6. a kind of soil sample for soil test according to claim 1 cuts sample instrument, it is characterised in that：Also include soil sample box
（5）, soil sample box（5）Positioned at cavity（22）It is interior, soil sample box（5）Including back box（28）With upper lid（27）, upper lid（27）Pass through hinge
Installed in back box（28）On, upper lid（27）It is provided with into the edge of a knife（37）, enter the edge of a knife（37）With entering the edge of a knife（26）Correspond to up and down；Back box
（28）Sidepiece screw rod is installed through screw thread（33）, screw rod（33）It is upper to be located at back box（28）Interior one end is installed with steel disc
（31）, screw rod（33）It is upper to be located at back box（28）Outer one end is installed with knob（32）.
7. a kind of soil sample for soil test according to claim 6 cuts sample instrument, it is characterised in that：Outside described cavity
Shell（21）It is upper to be located at cavity（22）Bottom be provided with guide groove（24）, shell cavity（21）It is upper to be located at cavity（22）Sidepiece be provided with
Neck（23）；Described soil sample box（5）Lower section be installed with gib block（29）, soil sample box（5）Sidepiece be installed with
Card article（34）, gib block（29）It is inserted in guide groove（24）It is interior, card article（34）It is inserted in neck（23）It is interior.
8. a kind of soil sample for soil test according to claim 6 cuts sample instrument, it is characterised in that：Described cutter
（17）, enter the edge of a knife（26）With enter the edge of a knife（37）Quantity be at least 2, adjacent cutter（17）, adjacent enter the edge of a knife（26）
Enter the edge of a knife with adjacent（37）Between spacing be 20mm or 40mm.
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| CN201510267741.0A CN104849116B (en) | 2015-05-24 | 2015-05-24 | A kind of soil sample for soil test cuts sample instrument |
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| CN201510267741.0A CN104849116B (en) | 2015-05-24 | 2015-05-24 | A kind of soil sample for soil test cuts sample instrument |
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| CN104849116B true CN104849116B (en) | 2017-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107907366A (en) * | 2017-12-28 | 2018-04-13 | 长安大学 | A kind of undisturbed soil soil test standard soil body sample preparation facilities |
| CN108519270B (en) * | 2018-05-24 | 2020-09-08 | 无锡水文工程地质勘察院有限责任公司 | Sample preparation device for soil sample |
| CN110672364B (en) * | 2019-11-08 | 2021-10-26 | 朱浩 | Soil sample cutting instrument for soil test |
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