CN108709785A - A kind of new type auto soil sample compactor and method for radical operators - Google Patents
A kind of new type auto soil sample compactor and method for radical operators Download PDFInfo
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- CN108709785A CN108709785A CN201810869974.1A CN201810869974A CN108709785A CN 108709785 A CN108709785 A CN 108709785A CN 201810869974 A CN201810869974 A CN 201810869974A CN 108709785 A CN108709785 A CN 108709785A
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- 239000002689 soil Substances 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005056 compaction Methods 0.000 claims abstract description 147
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 9
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000011796 hollow space material Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006846 excision repair Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of new type auto soil sample compactors for radical operators, including：Compaction cylinder, the compaction cylinder inner wall are provided with reflectorized material；Hammering device, the hammering device are arranged in the compaction cylinder, and the hammering device includes hitting real bar and being set in this to hit compaction hammer on the outside of real bar；Driving device, the driving device are connected with hammering device, for driving hammering device to make hammering movement；Photoelectric sensor switch, the photoelectric sensor switch are located at the side wall for hitting real bar, and corresponding with the reflectorized material；Control device, the control device are connected with the driving device and photoelectric sensor switch, after photoelectric sensor switch senses signal, send a signal to control device, control device sends commands to driving device and carries out corresponding execution action.The present invention can realize the automation control for hitting real process, improve working efficiency；And automatic jack is used, keep the result of study of the compound soil shear strength of root soil more accurate.
Description
Technical field
The present invention relates to a kind of new type auto soil sample compactors, and in particular to a kind of for the new type auto of radical operators
Soil sample compactor and method, the present apparatus and method can be used for the research of radical operators soil shear strength.The invention belongs to soil
Wood engineering experimental technique field.
Background technology
Generally required in specific work progress to the soil body be sampled research it is close to measure unearthed water content, dry and wet
The parameters such as degree, to further appreciate that soil compaction performance.But not just single soil in the soil body, wherein often adulterating
The root system of a large amount of plants, and the presence of these root systems has prodigious influence to the shearing strength of the soil body, and shearing resistance is carried out to it
The research of intensity can for further understanding root system fixation mechanism and the soil erosion of study on prevention area provide theoretical foundation and
Data are supported.
Current various soil sample compactors are chiefly used in the research of plain soil, and traditional soil sample compactor is hitting the real complete soil body
After need to be cut with cutting ring, certain damage can be thus caused to the soil body, especially for radical operators the soil body also
It needs to the native operation for carrying out inserting root, cutting soil undoubtedly can have a great impact to root.In addition it is needed when carrying out soil tamp
The control that very important person is hits the number of soil to carry out subsequent slotting root, and the control of number generally requires to carry out multigroup experiment really
Fixed, time-consuming and laborious and artificial control has prodigious randomness, error larger.
Therefore need development is a kind of to be ground to radical operators for radical operators sample preparation device and method to meet
The needs studied carefully.
Invention content
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide it is a kind of for radical operators it is novel from
Dynamic soil sample compactor and method.
To achieve the above object, the present invention uses following technical proposals：
A kind of new type auto soil sample compactor, including：
Compaction cylinder, the compaction cylinder inner wall are provided with reflectorized material；
Hammering device, the hammering device are arranged in the compaction cylinder, and the hammering device includes hitting real bar and being arranged
The compaction hammer on the outside of real bar is hit at this；
Driving device, the driving device are connected with hammering device, for driving hammering device to make hammering movement；
Photoelectric sensor switch, the photoelectric sensor switch are located at the side wall for hitting real bar, and with the reflectorized material phase
It is corresponding；
Control device, the control device are connected with the driving device and photoelectric sensor switch, work as photoelectric sensor switch
After sensing signal, control device is sent a signal to, control device sends commands to driving device and carries out corresponding execution action.
Before hitting real start, soil sample is packed into compaction cylinder, the height of soil sample is initial soil sample height at this time, reflectorized material away from
Height from cylinder bottom is less than the height of initial soil sample, and when soil sample height is hit the height of actual arrival reflectorized material, optoelectronic induction is opened
Close the signal for sensing that reflectorized material is sent.
Preferably, the hammering device further includes being connected to the pedestal for hitting real bar lower end, described to hit real bar as hollow structure.
Preferably, the driving device includes a main motor and a transmission parts, and real bar is being hit in the transmission parts setting
Hollow structure in, connect with main motor.
The inner wall for hitting real bar is equipped with limit sensors；The limit sensors include being located to hit real bar upper inner
Upper limit level sensor and positioned at the lower limit level sensor for hitting real bar lower inside.
The one side wall for hitting real bar is vertically equipped with elongate cavity, and the cavity inside is for installing photoelectric sensor switch.
Preferably, the transmission parts include runner, the crawler belt covered and the sliding extension being set on crawler belt on runner
Device；The runner includes upper and lower two runners.
Preferably, the sliding extension device includes left link block, threaded rod, right link block and the second motor, described to hit
Real hammer inside is equipped with a groove；The left link block is located at left company with the fit depressions on the inside of compaction hammer, second motor
It connects inside block, the second motor right end is connect with threaded rod left end, and screwed pipe left end is connect with right link block, and the left link block is solid
It is scheduled on crawler belt.
Right link block is surveyed to be equipped with and the matched screwed hole of threaded rod.
The limit sensors, photoelectric sensor switch, the main motor of driving device and the second motor connect with control device
It connects.
Preferably, the compaction cylinder is for placing cutting ring and soil sample, height of the reflectorized material apart from compaction cylinder bottom end
Equal to the height of cutting ring, it is less than the height of initial soil sample.
Preferably, the reflectorized material is two circles.
Preferably, the cylinder includes upper compaction cylinder and lower compaction cylinder, and lower compaction cylinder is formed by two and half.
Preferably, the upper compaction cylinder and lower compaction cylinder are fixed by two bolts, easy to disassemble and fixed.
Preferably, it is fixed by a circular boop for described two half.
Compaction cylinder be divided into upper and lower two compaction cylinders and lower compaction cylinder by two and half form act as：Facilitate progress
The jack of soil, directly removing top compaction cylinder can operate；Filter screen is placed hitting real process intermediate demand twice, point
At two parts convenient for placement；Compacted soil samples can be completely taken out, reduces and is lost caused by cutting soil.
Preferably, the compaction cylinder is made of steel.
It is further preferred that height of the upper circle reflectorized material of the reflectorized material apart from lower compaction cylinder bottom end is higher than ring
Knife and the height for being less than or equal to lower compaction cylinder；Height of the lower circle reflectorized material apart from lower compaction cylinder bottom end is equal to cutting ring
Height.
Two reflectorized materials correspond to hit reality twice after the completion of soil sample height, hit soil sample height pair after reality for the first time
Circle reflectorized material should be gone up, hitting will ensure to allow in fact the height of soil sample to be less than or equal to the height of bottom compaction cylinder for the first time, but be above
The height of cutting ring is so that it is convenient to compaction cylinder be dismantled, and ensure that soil sample is not lost, and reserved institute to carry out slotting root
Need depth；Soil sample height corresponds to lower circle reflectorized material after hitting reality for the second time, is equal to the height of cutting ring, is in order to ensure soil sample is complete
It is driven into cutting ring entirely；Without carrying out further excision repair.
Above-mentioned first time hits in fact and hits for the second time hits real process comprising multiple singles in fact.Real process is hit until optoelectronic induction
Switch receives the signal of reflecting material, and stops after signal is passed to driving device by control device.
It is further preferred that height of the upper circle reflectorized material apart from lower compaction cylinder bottom end is 25mm~30mm；Lower circle is reflective
Height of the material apart from lower compaction cylinder bottom end is 20mm.
Preferably, the pedestal is disc-shaped base, and diameter is equal to or less than compaction cylinder internal diameter, and the pedestal includes
Medium base, the jack base used specially with syringe needle and the pedestal with hole are convenient for punching and be compacted.
The medium base is disc solid base；The jack base used specially with syringe needle is the bottom of disc-shaped base
Face is equipped with several aciculiform cylinders for jack；The pedestal with cavity is that disc-shaped base is equipped with several circular holes.
Preferably, it hits real bar upper end integrally connected or has been bolted fixed bearing platform plate.It acts on one and is easy for main electricity
The placement of machine；Second is that can guarantee the shaking that real bar is not in larger is hit during hitting in fact.
Preferably, the compaction cylinder is the cylindrical drum of upper end opening.
Preferably, the side for hitting real bar is equipped with sliding slot.
The sliding extension device is moved up and down along sliding slot, and groove direction is outside, right connection of vertically hitting real bar axial line
The direction of block be also vertically hit that real bar axial line is outside, and the shape of right link block is identical as groove shapes, and right link block with it is recessed
Slot matches, and is arranged in corresponding position, link block can stretch into groove.When compaction hammer, which is located at, hits real bar bottom, work as cunning
When dynamic telescopic device is moved down into groove location, groove is just corresponding with the right link block of sliding extension device, sliding extension
Signal is passed to the second motor by device and lower limit sensor contacts, lower limit level sensor, and the second motor is started to work, by spiral shell
Line screws out, and left link block can just snap into groove, make left link block that can just be blocked with compaction hammer；Electric current change side at this time
To, main motor reversion drives runner reversion, sliding extension device that crawler belt is followed to move upwards, and compaction hammer is driven to move upwards, when
Signal can be passed to the second electricity by sliding extension device when rising to top with upper limit sensor contacts, upper limit level sensor
Machine, the second motor are started to work, and threaded rod rotates into right link block, left link block are pulled out from groove, real bar is hit in indentation
Hollow space, at this time compaction hammer free-falling complete single and hit reality.
The width of the sliding slot upper and lower ends and groove corresponding position is more than middle section, and width is more than the width of left link block
Degree.
Main motor provides alternation electricity, and the time of control alternating current conversion can control crawler belt to do unilateral reciprocating motion.
The application method of above-mentioned novel soil sample compaction test apparatus, includes the following steps：
(1) cutting ring is put into cylinder body bottom, load weighted soil sample is put into cylinder；
(2) hammering device is put into compaction cylinder, hammering device is started to work under the driving effect of driving device, in light
After inductance inductive switch receives the signal of reflectorized material reflection, signal is passed to control device, control dress by photoelectric sensor switch
It sets to control the driving device and be stopped；
(3) cutting ring and sample are taken out, is completed.
The method that above-mentioned novel soil sample compaction test apparatus prepares radical operators soil sample, includes the following steps：
(a) medium base is selected first, compaction cylinder is installed, and cutting ring is placed on lower compaction cylinder bottom, will be weighed up
Soil sample be put into compaction cylinder；
(b) actual load will be hit to put into compaction cylinder, actual load is hit after powering on and sets start-up operation, is connect in photoelectric sensor switch
After receiving signal, driving device is stopped, and completes to hit reality for the first time；Then the bolt of fixed compaction cylinder is removed, will be filtered
Mesh sheet is placed between two compaction cylinders up and down, is fixed again with bolt；
(c) pedestal of tape punching device, the i.e. pedestal with syringe needle real bar pedestal will be hit are changed into, main motor is started, hits real one
It is powered off after to twice；
(d) bolt is opened, filter screen is removed, after in preprepared root system of plant inserting hole, reality will be hit above and below
Cylinder tightens fixation again with bolt；
(e) main motor is again started up hitting after real bar pedestal changes the pedestal with hole into, until photoelectric sensor switch receives
To after the second secondary reflection signal, driving device is automatically stopped, and hits real completion for the second time at this time, and soil sample is hit is embedded into cutting ring in fact
In；
(f) bolt is opened, the compaction cylinder on top is taken away, the circular boop being sleeved on the compaction cylinder of lower part is removed, then by two halves
Compaction cylinder is individually separated taking-up cutting ring, and sample completes.
Beneficial effects of the present invention：
(a) soil sample compactor at this stage can only be accomplished to hit reality automatically, be unable to reach to accurately control and hit real a certain depth
It sets, photoelectric sensor switch is connected with driving device, photoelectric sensor switch will receive it is required that the present apparatus hits actual load by improvement
The signal of reflectorized material pass to control device, the stopping controlled the driving device by control device hits real mistake to controllable
The stopping of journey accurately controls and hits real depth, realizes the automation control for hitting real process, improves working efficiency.
(b) compaction cylinder is divided into two parts up and down, lower part compaction cylinder is divided into two half blocks to be fixed with a cylinder, can be by ring
Knife is placed on lower part compaction cylinder bottom, and since lower part compaction cylinder bottom inner diameter is slightly less than cutting ring, therefore cutting ring can just be stuck in compaction cylinder
Bottom carries out inserting root operation convenient for experiment；
(c) hit real bar pedestal and be divided into two kinds of the jack base used specially with syringe needle and the pedestal with hole, convenient for into
Row punching and compacting；Using automatic jack, the automation efficiency of product is substantially increased, reduces the operation step of very complicated
Suddenly, the result of study of the compound soil shear strength of root soil is more accurate, reduces error.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of novel soil sample compaction test apparatus of the embodiment of the present invention；
Fig. 2 is that the novel soil sample compaction test apparatus of the embodiment of the present invention hits real bar section figure；
Fig. 3 is the compaction hammer of the novel soil sample compaction test apparatus of the embodiment of the present invention and hits real rod structure detail drawing；
Fig. 4 is that the novel soil sample compaction test apparatus of the embodiment of the present invention hits real bar side face sliding slot detail drawing；
Fig. 5 is that the novel soil sample compaction test apparatus of the embodiment of the present invention hits real bar pedestal detail drawing；
Fig. 6 is the photoelectric sensor switch partial detail view of the novel soil sample compaction test apparatus of the embodiment of the present invention；
Fig. 7 is the reflectorized material installation position schematic diagram of the novel soil sample compaction test apparatus of the embodiment of the present invention.
Reference numeral：1- main motors；2- fixed bearing platform plates；3- compaction hammers；4- hits real bar；5- compaction cylinders；6- bolts；7- justifies
Hoop；8- power cords；9- thread switching controls；The upper runners of 101-；11- crawler belts；121- upper limit level sensors；122- lower limits sense
Device；The left link blocks of 131-；The right link blocks of 132-；The second motors of 14-；15- grooves；16- threaded rods；17- photoelectric sensor switch；
18- pedestals；19- sliding slots；20- holes；21- reflectorized materials.
Specific implementation mode
The present invention will be further elaborated with reference to the accompanying drawings and examples, it should which explanation, following the description is only
It is not to be defined to its content to explain the present invention.
As shown in Fig. 1~7, the embodiment of the invention discloses a kind of new type auto native sample compactings for radical operators
Instrument.It includes：
Compaction cylinder 5,5 inner wall of the compaction cylinder are provided with reflectorized material 21；
Hammering device, the hammering device are arranged in the compaction cylinder 5, and the hammering device includes hitting real bar 4 and set
It is located at the compaction hammer 3 for hitting 4 outside of real bar；
Driving device, the driving device are connected with hammering device, for driving hammering device to make hammering movement；
Photoelectric sensor switch 17, the photoelectric sensor switch 17 are located at the side wall for hitting real bar 4, and with the reflective material
Expect that 21 is corresponding；
Control device, the control device are connected with the driving device and photoelectric sensor switch 17, when optoelectronic induction is opened
After pass 17 senses signal, control device is sent a signal to, control device sends commands to corresponding execute of driving device progress and moves
Make.Control device in the present embodiment device in order to control.
After being packed into soil sample in compaction cylinder 5, height of the reflectorized material 21 apart from 5 bottom of compaction cylinder is less than the height of soil sample, when
When soil sample height is hit the height of actual arrival reflectorized material 21, photoelectric sensor switch 17 senses the signal that reflectorized material 21 is sent.
The driving device includes a main motor 1 and a transmission parts, and the transmission parts, which are arranged, is hitting the hollow of real bar 4
In structure, it is connect with main motor 1.
Specifically, the compaction cylinder 5 is the cylindrical drum of upper end opening, it is made of steel, including upper compaction cylinder is hit under
Real cylinder.Lower compaction cylinder is formed by two and half, and the internal diameter of lower compaction cylinder bottom margin is less than cutting ring, the internal diameter of other parts and upper
Portion's compaction cylinder is identical, in this way can be in bottom just by its clamping, additionally due to the diameter of circular boop 7 when putting cutting ring into compaction cylinder
More than lower compaction cylinder base diameter, therefore circular boop 7 can be removed downwards, complete soil sample is taken out convenient for dismantling lower part compaction cylinder；
Lower compaction cylinder inner wall is provided with two circle reflectorized materials 21.
Specifically, the hammering device includes hitting real bar 4, compaction hammer 3 and pedestal 18, the compaction hammer 3, which is sleeved on, hits real bar 4
Outside, pedestal 18 are connect with 4 bottom end of real bar is hit；The real bar 4 that hits is hollow structure.The transmission parts are set to hollow portion
Point, the side for hitting real bar is equipped with sliding slot 19, and the inner wall for hitting 4 top of real bar is equipped with limit sensors.It is described to hit reality
The other side side wall of bar 4 is vertically equipped with elongate cavity, and photoelectric sensor switch 17, the photoelectric sensor switch are equipped in the cavity
17 one end are connected by thread switching control 9 with controller, a termination power cord 8.
The photoelectric sensor switch 17 is made of transmitter and receiver, and after power supply is connected, transmitter emits light beam, when
It is reflected on the reflecting material 21 of the light beam sent out from transmitter over there, i.e., when signal returns to receiver, will produce one at this time
The variation of a switching signal is to control the work of main motor 1.17 signals for receiving reflectorized material transmitting of photoelectric sensor switch.
Specifically, the transmission parts include upper runner 101, lower runner, the crawler belt 11 covered on runner and are set to shoe
With the sliding extension device on 11, the sliding extension device includes threaded rod 16, link block and the second motor 14, the connection
Block includes left link block 131 and right link block 132, and second motor 14 is located inside left link block 131, the threaded rod 16
Both ends are separately connected the second motor 14 and right link block 132, and 16 surface of threaded rod is threaded, and material is rigid material；Right company
It connects block 132 to be fixed on crawler belt 11, have on right link block 132 and the matched screwed circular hole of threaded rod 16, threaded rod
16 can rotate under the action of the second motor of left side 14 to rotate into right link block 132.
Runner 10 is connect by shaft with real bar side wall is hit, and runner 10 and crawler belt 11 thereon are rotatable.
Specifically, limit sensors include upper limit level sensor 121 and lower limit level sensor 122, upper limit level sensor 121
The height moved upwards for controlling compaction hammer 3, and signal is passed into sliding extension device, so that compaction hammer 3 is fallen, lower limit
Sensor 122 makes the 131 accurate bullet of left link block of sliding extension device for controlling the position that sliding extension device moves downward
Into in groove 15, and then compaction hammer 3 is driven to move upwards.
Limit sensors are connect by controller with the second motor 14, when sliding extension device and upper limit level sensor 121
When contact, that is, when the right link block 132 that is fixed on crawler belt 11 is contacted with upper limit level sensor 121, upper limit level sensor 121 will
Signal passes to the second motor 14 by controller, and the second motor 14 is started to work is rotated into right link block 132 by threaded rod 16,
4 hollow space of real bar is hit in the indentation of left link block 131, and compaction hammer 3 falls to complete once to hit reality.When sliding extension device with
Crawler belt 11 moves downward (threaded rod 16 is rotated into right link block 132 at this time), right link block 132 and lower limit level sensor 122
When contact, signal is passed to controller by lower limit level sensor 122, and controller controls the work of the second motor 14, and threaded rod 16 is anti-
Direction is produced, and to make left link block 131 rotate into groove 15, at this point, main motor 1 inverts, crawler belt 11 moves upwards, and will hit reality
3 bands are hammered into shape to upper end, hit real start for the second time.
Sliding extension device is moved up and down along sliding slot 19, and 3 inside of the compaction hammer is equipped with groove 15, the groove 15 and company
Block is connect to match.
Specifically, the upper compaction cylinder and lower compaction cylinder are fixed by two bolts 6, convenient for upper compaction cylinder and lower compaction cylinder
Fixed and dismounting.
Specifically, described two half are fixed by a circular boop 7.Circular boop 7 has the advantages that fixed and convenient disassembly, and makes
Soil sample is more uniformly stressed.
Compaction cylinder be divided into upper and lower two compaction cylinders and lower compaction cylinder by two and half form act as：Facilitate progress
The jack of soil, directly removing top compaction cylinder can operate；Filter screen is placed hitting real process intermediate demand twice, point
At two parts convenient for placement；Compacted soil samples can be completely taken out, reduces and is lost caused by cutting soil.
Specifically, height of the upper circle reflectorized material of the reflectorized material 21 apart from lower compaction cylinder bottom end is higher than cutting ring,
Less than initial soil sample height, and less than or equal to the height of lower compaction cylinder；Lower circle reflectorized material is apart from lower compaction cylinder bottom end
Height is the height equal to cutting ring.
Two reflectorized materials correspond to hit reality twice after the completion of soil sample height, hit for the first time after reality on soil sample height corresponds to
Reflectorized material is enclosed, hitting will ensure to allow in fact the height of soil sample to be less than or equal to the height of bottom compaction cylinder for the first time, but be above cutting ring
Height so that it is convenient to compaction cylinder is dismantled, and ensure that soil sample is not lost, and required depth has been reserved in order to carry out inserting root
Degree；Soil sample height corresponds to lower circle reflectorized material after hitting reality for the second time, is equal to the height of cutting ring, is in order to ensure hitting soil sample completely
Enter into cutting ring；Without carrying out further excision repair.
Specifically, height of the upper circle reflectorized material apart from lower compaction cylinder bottom end is 25mm~30mm；Lower circle reflectorized material away from
Height from lower compaction cylinder bottom end is 20mm.
Specifically, hitting 4 upper end integrally connected of real bar or being bolted fixed bearing platform plate 2.It acts on one and is easy for leading
The placement of motor 1；Second is that can guarantee the shaking that real bar 4 is not in larger is hit during hitting in fact.
Specifically, the pedestal 18 is disc, be connected with connecting rod on pedestal 18, the diameter of pedestal 18 be equal to or
Person is less than 5 internal diameter of compaction cylinder, and the pedestal 18 is including medium base, the jack base used specially with syringe needle and with hole 20
Pedestal is convenient for punching and be compacted.
Hitting 4 bottom outer surface of real bar has screw thread, the inner surface of the connecting rod of pedestal 18 to have corresponding screw thread, pedestal 18 that can lead to
Screw thread rotation is crossed to tighten, it can directly by pedestal 18, threadingly negative direction be backed out when replacement.Pedestal 18 is by the downward gravity of compaction hammer 3
Pass to soil sample.
The medium base is disc solid base；The jack base used specially with syringe needle is the bottom of disc-shaped base
Face is equipped with several aciculiform cylinders for jack；The pedestal with cavity is that disc-shaped base is equipped with several circular holes.
Described hole 20 is one-to-one with the size of syringe needle, position.
Sliding slot 19 moves up and down for sliding extension device and provides space；15 direction of groove be vertically hit 4 axial line of real bar to
Outside, the direction of left link block 131 is also vertically to hit that 4 axial line of real bar is outside, shape and the 15 shape phase of groove of left link block 131
Together, and left link block 131 is matched with groove 15, is arranged in corresponding position, left link block 131 can stretch into groove 15.
When compaction hammer 3 be located at hit real 4 bottom of bar when, when sliding extension device is moved down into 15 position of groove, groove 15 just with
The left link block 131 of sliding extension device corresponds to, and left link block 131 can be just caught in groove 15, make left link block 13 with
Compaction hammer 3 can be blocked just.Sliding extension device follows crawler belt 11 to move upwards, and drives compaction hammer 3 to move upwards, when sliding is stretched
Compression apparatus can contact when rising to top with upper limit level sensor 121, specifically, right link block 132 and upper limit level sensor 121
Signal is passed to the second motor 14 by contact, upper limit level sensor 121 by controller, and the second motor 14 is started to work screw thread
Bar 16 is rotated into right link block 132, and 4 hollow space of real bar is hit in the indentation of left link block 131, and compaction hammer 3 falls to complete primary
Hit reality.When sliding extension device as crawler belt moves downward (threaded rod 16 is rotated into right link block 132 at this time), right link block
132 with lower limit level sensor 122 when contacting, and signal is passed to controller by lower limit level sensor 122, the second electricity of controller control
16 negative direction of threaded rod is produced in the work of machine 14, to make left link block 131 rotate into groove 15, at this point, runner inverts, sliding
Telescopic device drives compaction hammer 3 to move upwards.
Specifically, 19 upper and lower ends of the sliding slot have and the corresponding hole of 131 size of left link block, size be more than or
Equal to the size of left link block 131, and hole is connected to sliding slot 19.Sliding extension device may be implemented in this way at top, Zuo Lian
It connects block 131 and is pressed into and hit in 4 hollow structure of real bar；When sliding extension device reaches lower end with 15 corresponding position of groove, Zuo Lian
It connects block 131 to be caught in inside groove 15 under the action of the second motor 14, and sliding extension device can move down on sliding slot 19
It is dynamic.
Crawler belt 11 drives sliding extension device to do pumping for unilateral side along sliding slot 19, and primary move back and forth corresponds to
Single hits real process.Main motor 1 is AC servomotor, changes current direction when touching limit sensors automatically, or
Can setting electric current direction the change time, main motor 1 changes rotation direction, can control crawler belt 11 and do unilateral reciprocating motion.
The novel soil sample compaction test apparatus is used exclusively for making the laboratory apparatus of radical operators shearing strength research.Its work
Principle is：First compaction cylinder 5 is installed, medium base 18 is installed；Cutting ring is placed on 5 bottom of compaction cylinder, is put into appropriate soil
Sample will hit actual load and put in compaction cylinder at this time；Power on, main motor 1 is started to work, and compaction hammer 3 is located at pedestal 18 at this time
On, crawler belt 11 rotates down, when the sliding extension device on crawler belt 11 moves to lower limit level sensor 122, left connection at this time
Block 131 is corresponding with the position in hole of 19 bottom of sliding slot, and signal is passed to the second motor 14, the second electricity by lower limit level sensor 132
Machine 14 screws out threaded rod 16, and left link block 131 enters in the groove 15 of compaction hammer 3, at this point, current direction changes, main motor 1
Reversion, crawler belt 11, which moves upwards, takes back compaction hammer 3 at the top of bar；When sliding extension device and upper limit level sensor 121 contact,
Signal is passed to the second motor 14 by upper limit level sensor 121, and the second motor 14 in sliding extension device is started to work, by spiral shell
Rasp bar 16 screws in right link block 132, and left link block 131 enters the hollow space for hitting real bar 4, and compaction hammer 3 falls at this time, completes
Single hits real process.Reality is so hit repeatedly to soil sample, until the transmitter of the photoelectric sensor switch 17 hit in real bar 4 is sent out
Signal reflected by reflective coating 21, receiver receives when being passed along controller after signal, and controller controls main motor 1 and closes
It closes, to complete native sample compacting for the first time；After waiting for soil sample jack, hammering device is again started up until photoelectric sensor switch
After 17 receive the second secondary reflection signal, main motor 1 is stopped, and second of native sample compacting is completed.
Two secondary reflection signals correspond to native sample compacting process twice respectively from two circle reflecting materials.Start to put soil sample
When entering in compaction cylinder, soil can completely cover reflectorized material, can decline in the height for hitting real-time soil sample when hitting actual load and setting, when reflective
When material is exposed, signal will be reached to photoelectric sensor switch 17, to control the work of main motor 1.Reality is hit for the second time
During soil sample when soil sample is hit into cutting ring, underlying reflectorized material can be pounded due to covering its soil originally into cutting ring
In and reveal, pass to photoelectric sensor switch device 17 to will reflect signal, the closing of main motor 1 at this time, second of soil sample is hit
Real to complete, since the reflectorized material height of lower section is identical as cutting ring height, root and soil are driven into cutting ring completely at this time, are not had to again
It is secondary to be trimmed.
The work of main motor 1 can be controlled according to the height of reflectorized material 21, and then is controlled soil and hit real degree.
The novel soil sample compaction test apparatus device test method includes the following steps：
(a) medium base 18 is selected first, and compaction cylinder 5 is installed, cutting ring is placed on lower compaction cylinder bottom, will be claimed
Good soil sample is put into compaction cylinder 5；
(b) actual load will be hit to put into compaction cylinder, actual load is hit after powering on and sets start-up operation, in photoelectric sensor switch 17
It receives to hit actual load after signal and set and be stopped, then the bolt 6 of fixed compaction cylinder 5 is removed, filter net sheet is placed on up and down
Between two compaction cylinders, bolt 6 is used to fix again；
(c) pedestal 18 is changed into the pedestal of tape punching device, the i.e. pedestal with syringe needle, starts main motor 1, hits real one to two
It is powered off after secondary；
(d) bolt 6 is opened, filter screen is removed, after in preprepared root system of plant inserting hole, will be hit above and below
Real cylinder tightens fixation again with bolt 6；
(e) main motor 1 is again started up hitting after real bar pedestal changes the pedestal with hole 20 into, until photoelectric sensor switch 17
After receiving the second secondary reflection signal, main motor 1 is automatically closed, and hits real completion for the second time at this time, and soil sample is hit real be embedded into
In cutting ring；
(f) bolt 6 is opened, the compaction cylinder 5 on top is taken away, the circular boop 7 being sleeved on the compaction cylinder of lower part is removed, then by two
Half compaction cylinder is individually separated taking-up cutting ring, and sample completes.
In the above method, the effect of filtering net plate is may to go out a part of soil zone during jack, and strainer can subtract
The loss of few soil；Pedestal with hole 20 can ensure that hole is not destroyed the soil sample of simultaneously preferable compaction band root in firming.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, based on the technical solutions of the present invention, those skilled in the art, which need not make the creative labor, to be done
The various modifications or changes gone out are still within protection scope of the present invention.
Claims (10)
1. a kind of new type auto soil sample compactor, which is characterized in that including：
Compaction cylinder, the compaction cylinder inner wall are provided with reflectorized material；
Hammering device, the hammering device are arranged in the compaction cylinder, and the hammering device includes hitting real bar and being set in this
Hit the compaction hammer on the outside of real bar；
Driving device, the driving device are connected with hammering device, for driving hammering device to make hammering movement；
Photoelectric sensor switch, the photoelectric sensor switch are located at the side wall for hitting real bar, and corresponding with the reflectorized material；
Control device, the control device are connected with the driving device and photoelectric sensor switch, when photoelectric sensor switch incudes
To after signal, control device is sent a signal to, control device sends commands to driving device and carries out corresponding execution action.
2. a kind of new type auto soil sample compactor according to claim 1, which is characterized in that the driving device includes one
Main motor and a transmission parts, the transmission parts are connect with main motor；The transmission parts include upper and lower two runners, turn
The crawler belt covered on wheel and the sliding extension device being set on crawler belt.
3. a kind of new type auto soil sample compactor according to claim 1, which is characterized in that described to hit on the inner wall of real bar
Equipped with limit sensors；The limit sensors include being located at the upper limit level sensor for hitting real bar upper inner and positioned at hitting real bar
The lower limit level sensor of lower inside.
4. a kind of new type auto soil sample compactor according to claim 2, which is characterized in that the sliding extension device includes
Link block, threaded rod and the second motor, the link block include left link block and right link block, and one is equipped on the inside of the compaction hammer
Groove, the left link block and fit depressions, right link block are fixed on crawler belt, and second motor is arranged in left link block
It is interior, connect with the second motor on the left of the threaded rod, threaded rod right side is connected with right link block, the right link block equipped with
The matched circular hole of threaded rod.
5. a kind of new type auto soil sample compactor according to claim 1, which is characterized in that the reflectorized material is apart from cylinder
The height of bottom end is equal to the height of cutting ring, is less than the height of initial soil sample.
6. a kind of new type auto soil sample compactor according to claim 1, which is characterized in that the reflectorized material is two circles,
Height of the upper circle reflectorized material apart from compaction cylinder bottom end is higher than cutting ring, is less than initial soil sample height；Lower circle reflectorized material
Height apart from compaction cylinder bottom end is the height equal to cutting ring.
7. a kind of new type auto soil sample compactor according to claim 1, which is characterized in that the cylinder includes upper compaction cylinder
With lower compaction cylinder, lower compaction cylinder is formed by two and half.
8. a kind of new type auto soil sample compactor according to claim 1, which is characterized in that described to hit real bar lower end and be connected with
Pedestal, the pedestal include medium base, the jack base used specially with syringe needle and the pedestal with hole.
9. the application method of any one of the claim 1~8 new type auto soil sample compactor, which is characterized in that including following
Step：
(1) cutting ring is put into cylinder body bottom, load weighted soil sample is put into cylinder；
(2) hammering device is put into compaction cylinder, hammering device is started to work under the driving effect of driving device, in light inductance
After inductive switch receives the signal of reflectorized material reflection, signal is passed to control device, control device control by photoelectric sensor switch
Driving device processed is stopped；
(3) cutting ring and sample are taken out, is completed.
10. the method that any one of the claim 1~8 new type auto soil sample compactor prepares radical operators soil sample, special
Sign is, includes the following steps：
(a) medium base is selected first, compaction cylinder is installed, and cutting ring is placed on lower compaction cylinder bottom, the soil that will be weighed up
Sample is put into compaction cylinder；
(b) actual load will be hit to put into compaction cylinder, actual load is hit after powering on and sets start-up operation, is received in photoelectric sensor switch
Signal rear drive equipment is stopped, and completes to hit reality for the first time；Then the bolt of fixed compaction cylinder is removed, filter net sheet is put
Between upper and lower two compaction cylinder, fixed again with bolt；
(c) pedestal of tape punching device, the i.e. pedestal with syringe needle real bar pedestal will be hit are changed into, main motor is started, hits real one to two
It is powered off after lower；
(d) bolt is opened, filter screen is removed, after in preprepared root system of plant inserting hole, upper and lower compaction cylinder is used
Bolt tightens fixation again；
(e) main motor is again started up hitting after real bar pedestal changes the pedestal with hole into, until photoelectric sensor switch receives
After secondary reflection signal, driving device is automatically closed, and hits real completion for the second time at this time, and soil sample is hit real be embedded into cutting ring；
(f) bolt is opened, the compaction cylinder on top is taken away, removes the circular boop being sleeved on the compaction cylinder of lower part, two halves is then hit into reality
Cylinder is individually separated taking-up cutting ring, and sample completes.
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| CN109932232A (en) * | 2019-04-26 | 2019-06-25 | 四川大学 | A kind of spiral soil sample density control device of quasi- static(al) |
| CN111562152A (en) * | 2020-05-19 | 2020-08-21 | 河北建筑工程学院 | Integrated soil body module manufacturing device |
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| CN111562152A (en) * | 2020-05-19 | 2020-08-21 | 河北建筑工程学院 | Integrated soil body module manufacturing device |
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