CN109357910A - A kind of portable multi-function undisturbed soil sampling instrument - Google Patents

A kind of portable multi-function undisturbed soil sampling instrument Download PDF

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Publication number
CN109357910A
CN109357910A CN201811504643.4A CN201811504643A CN109357910A CN 109357910 A CN109357910 A CN 109357910A CN 201811504643 A CN201811504643 A CN 201811504643A CN 109357910 A CN109357910 A CN 109357910A
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CN
China
Prior art keywords
drilling rod
sampler
probe
engine
portable multi
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Pending
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CN201811504643.4A
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Chinese (zh)
Inventor
黄少平
陈前
晏鄂川
杨凯
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China University of Geosciences
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China University of Geosciences
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Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN201811504643.4A priority Critical patent/CN109357910A/en
Publication of CN109357910A publication Critical patent/CN109357910A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The present invention relates to a kind of portable multi-function undisturbed soil sampling instruments, including power mechanism and supporting mechanism, power mechanism is equipped with supporting mechanism with branch supporting power mechanism, power mechanism includes engine and drilling rod, engine is connected with sampler by drilling rod, sampler includes probe tube, tube head and shoe, equipped at least two probes in shoe, the terminals of probe form probe contacts in shoe end face, the connector electric wire connecting with probe contacts is equipped in sampler and drilling rod, hollow shaft slip ring is arranged on drilling rod, hollow shaft slip ring one end jointing electric wire, the other end connects power supply module and instrument board, for powering for probe, the data-signal of probe acquisition is received and shown simultaneously, soil sample disturbance can be effectively reduced when taking out soil sample, and soil layer other data when drilling through are obtained in time, substantially reduce the duration, when also saving Between and labour.

Description

A kind of portable multi-function undisturbed soil sampling instrument
Technical field
The present invention relates to soil test technique fields, and in particular to a kind of portable multi-function undisturbed soil sampling instrument.
Background technique
It is well known that undisturbed soil sample be layered soil test important means, to find out place formation lithology, the origin cause of formation, point Cloth and engineering characteristic provide Geotechnical Parameter needed for meeting design, construction, each foundation soil characteristic load bearing capacity are determined, to field The stability and construction suitability of ground ground make an appraisal and play decisive role.
But when field takes undisturbed soil, have certain problems and defect: first is that undisturbed soil soil sampler is generally large not It is easy to carry, smaller scope of application;Second is that general undisturbed soil soil sampler operating process is complex, it is not easy to field operation, i.e., It is time-consuming to take people, schedule delays;Third is that existing undisturbed soil soil sampler generally requires vertical sampling, to the geological disasters such as landslide into When row research, the slide strips or other key positions that need to be disclosed exploratory trench are sampled, and sampling requirement are not able to satisfy, furthermore some Place with a varied topography, soil layer is various cannot complete undisturbed soil sampling very well;Fourth is that existing sampler can only be completed merely to sample Work, cannot monitor the variation of soil layer moisture content, soil layer hardness in sampling process.Therefore, field technicians there is an urgent need to It is a kind of can quick and precisely and the instrument that oneself can grasp carries out the sampling of field undisturbed soil and in-situ test instrument.
Summary of the invention
In view of this, a kind of portable multi-function undisturbed soil sampling instrument of disclosure of the invention, can solve above-mentioned deficiency And defect, keep undisturbed soil sampling process simpler, convenient and quick.
It is of the invention that a kind of portable multi-function undisturbed soil sampling instrument, including power mechanism and sampler be provided, it is described dynamic Force mechanisms connect the sampler, and for providing power for sampler, the sampler includes probe tube, tube head and shoe, institute Stating probe tube includes being located in the middle wide portion and the narrow portion positioned at wide portion both ends, and the wide portion and narrow portion junction form one and protrude Platform is used for probe tube port sealing wherein a narrow portion is threadedly coupled the tube head, and another narrow portion outer wall thread connects The shoe is connect to be sampled, is equipped at least two probes in the shoe at equal intervals, the terminals of each probe are equal One side is contacted with projecting platform in the shoe and forms probe contacts, is equipped with and the spy in the width portion, tube head and drilling rod The connector electric wire that connects one to one of head contact is arranged with a hollow shaft slip ring close to engine one end on the drilling rod, described Coil is equipped in hollow shaft slip ring, hollow shaft slip ring coil one end is connect with connector electric wire, and the other end is separately connected described Power supply module and instrument board, for powering and receiving and show the data-signal of probe acquisition for probe.
Further, the power mechanism includes engine and drilling rod, and the two ends of drill is respectively equipped with connecting column and consolidates Fixed column, the connecting column connect the power machine output shaft by shaft coupling, and the fixed column is detachably connected by connecting shaft connector It connects the sampler, is equipped with threaded post at the top of the sampler center, the connecting shaft connector is wherein equipped in one end and screw thread The internal screw thread that column matches, is threadedly coupled sampler and connecting shaft connector, is equipped in the connecting shaft connector other end and fixed column Corresponding jack is interspersed with fixed pin in the jack, with the fixation connecting shaft connector and drilling rod.
Further, the drilling rod includes one first drilling rod and a third drilling rod, in first drilling rod and third drilling rod It is equipped with the connector electric wire, first two ends of drill is respectively equipped with connecting column and screw shell, the third two ends of drill It is respectively equipped with threaded post and fixed column, is threadedly coupled between the threaded post of the third drilling rod and the screw shell of the first drilling rod, Complete the splicing between first drilling rod and third drilling rod.
Further, the drilling rod may also include several second drilling rods, be equipped with the connector electric wire in second drilling rod, Second two ends of drill is respectively equipped with threaded post and screw shell, the threaded post of second drilling rod and another second drilling rod Screw shell is threadedly coupled, and realizes the splicing between two second drilling rods, and second two ends of drill is bored with first respectively The screw shell of bar is connected with the threaded post of third drilling rod, is completed between first drilling rod, the second drilling rod and third drilling rod Splicing.
Further, the hollow shaft slip ring includes the stator and rotor relatively rotated, and the rotor fixation is set in brill Bar leans on engine one end, and the stator is installed on engine by installation sheet, is respectively equipped with stator in the stator and rotor Coil and rotor coil, the stator coil and rotor coil are connected with each other and constitute hollow shaft slip ring coil, the probe touching It include power supply line and signal wire, the rotor coil other end and drilling rod in point, connector electric wire, stator coil and rotor coil Interior connector electric wire connects, and the power supply line in the stator coil connects the power supply module, the signal in the stator coil Line connects the instrument board.
Further, the sampler inner wall is even surface, and the sampler inner wall is close to open bushing pipe equipped with a pair of, described It is double to open bushing pipe medial surface and shoe medial surface is smoothly connected.
Further, the probe includes at least moisture content probe and one hardness/temp probe, sets on the engine There is direction regulator, the direction regulator includes a level governor and vertical adjuster.
Further, the power mechanism is equipped with the supporting mechanism, is used to support the power mechanism, the support Mechanism includes two support legs, and each support leg includes two stabilizer blades, an articulated shaft, a connecting shaft and a fixed plate, described The connecting shaft is connected in the middle part of two stabilizer blades, two stabilizer blade one end is tip, and the other end is hinged end, two stabilizer blade it is hinged Hold it is public be hinged on the articulated shaft, described articulated shaft one end is equipped with the fixator for fixed hinge end, and the other end fixes The fixed plate is installed, the engine outer wall is symmetrically installed the fixed plate, realizes the support for engine.
Further, the drilling rod is arranged with a spring bearing close to sampler one end, and the bearing outer wall is symmetrically installed The fixed plate, to realize the sampler level sampling.
Further, the stabilizer blade includes upper support leg, lower support leg and locker, is cavity inside the upper support leg, and institute Stating upper support leg one end is hinged end, and the other end is opening, and described lower support leg one end is tip, and the other end may pass through opening described It is moved in upper support leg cavity, the upper support leg and lower support leg junction are equipped with the locker, described for fixing and unclamping Stabilizer blade and lower support leg, to adjust the length of stabilizer blade.
Further, the engine is diesel engine.
Technical solution provided by the invention, which has the benefit that, opens bushing pipe, probe tube, tube head and shoe group using double Dress forms sampler, and soil sample disturbance can be effectively reduced when taking out soil sample;The original of different angle can be selected according to orographic condition Shape soil is sampled work, relieves limitation of traditional sampler for orographic condition;It can also be selected according to test demand and purpose Different size samplers and sampling mode are taken, applicable soil layer is more extensive;Simpler quickly acquisition soil layer moisture content/hard The field datas such as degree, substantially reduce the duration, also save time and labour.
Detailed description of the invention
Fig. 1 is a kind of structure chart of the portable multi-function undisturbed soil sampling instrument of the embodiment of the present invention one;
Fig. 2 is the cross-sectional view of Fig. 1 hollow mandrel slip ring;
Fig. 3 is the assembling assumption diagram of drilling rod in the embodiment of the present invention one;
Fig. 4 is the structure chart of sampler in the embodiment of the present invention one;
Fig. 5 is the X-X cross-sectional view of Fig. 4;
Fig. 6 is a kind of structure chart of the portable multi-function undisturbed soil sampling instrument of the embodiment of the present invention two.
In figure: 1, engine 2, drilling rod 201, the first drilling rod 202, the second drilling rod 203, third drilling rod 3, connecting shaft connect First 4, sampler 401, probe tube 4011, wide portion 4012, narrow portion 402, tube head 4021, gas vent 403, shoe 5, spy First 6, connector electric wire 7, hollow shaft slip ring 701, stator 702, rotor 8, installation sheet 9, power supply module 10, instrument board 11, connecting column 12, screw shell 13, threaded post 14, fixed column 15, jack 16, fixed pin 17, it is double open bushing pipe 18, side Position adjuster 19, stabilizer blade 1901, upper support leg 1902, lower support leg 1903, locker 20, articulated shaft 21, connecting shaft 22, Fixed plate 23, spring bearing.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is further described.
Embodiment one
Fig. 1, Fig. 3, Fig. 4 and Fig. 5 are please referred to, embodiment of the invention discloses a kind of samplings of portable multi-function undisturbed soil Instrument, including 1 structure of engine and supporting mechanism, 1 structure of engine include engine 1 and drilling rod 2, and the engine 1 is fixed to be connected The drilling rod 2 is connect, 2 other end of drilling rod is removably connected with sampler 4 by connecting shaft connector 3, for providing for sampler 4 Power, generally in order to guarantee that power, the engine 1 use diesel engine, described 2 one end of drilling rod is equipped with connecting column 11, described Connecting column 11 connects 1 output shaft of engine by shaft coupling, and 2 other end of drilling rod is equipped with fixed column 14, the sampling A threaded post 13 is equipped at 4 top center of device;The internal screw thread to match with threaded post 13 is equipped in described 3 one end of connecting shaft connector, it can It is threadedly coupled fixation with the threaded post 13 on sampler 4, is equipped on 3 other end of connecting shaft connector and fixed column 14 corresponding Jack 15 is interspersed with fixed pin 16 in the jack 15, with the fixation connecting shaft connector 3 and fixed column 14, and then completes power Rigid connection between machine 1, drilling rod 2 and sampler 4.
Further, in order to extend the length of drilling rod 2, while convenient in order to guarantee to transport and load and unload, drilling rod 2 is using spelling Design is connect, the drilling rod 2 includes one first drilling rod 201, a third drilling rod 203 and several second drilling rods 202, first drilling rod 201, it is equipped with the connector electric wire 6 in the second drilling rod 202 and third drilling rod 203,201 both ends of the first drilling rod are respectively equipped with Connecting column 11 and screw shell 12,202 both ends of the second drilling rod are respectively equipped with threaded post 13 and screw shell 12, the third 203 both ends of drilling rod are respectively equipped with threaded post 13 and fixed column 14, and the threaded post 13 and screw shell 12 match, and described second 202 both ends of drilling rod are connect with the threaded post 13 of the screw shell 12 of the first drilling rod 201 and third drilling rod 203 respectively, while two institutes It states between the second drilling rod 202, can also complete to splice by the threaded connection between threaded post 13 and screw shell 12, so that institute The drilling rod 2 can be spliced by stating the first drilling rod 201, several second drilling rods 202 and third drilling rod 203.
Meanwhile in order to guarantee convenience when dismounting, above-mentioned threaded post 13, screw shell 12 are same specification, and described The rotation direction of the hand of spiral and engine 1 of threaded post 13 and screw shell 12 in disassembly is on the contrary, guarantee entire engine 1 The normal operation of structure.
The sampler 4 includes probe tube 401, tube head 402 and shoe 403, and 401 both ends of probe tube are opening, institute Stating probe tube 401 includes being located in the middle wide portion 4011 and the narrow portion 4012 positioned at both ends, the wide portion 4011 and narrow portion 4012 Junction forms a projecting platform, and the narrow portion 4012 and wide portion 4011 are the circular configuration of axis on the same line, Only the radius in wide portion 4011 be greater than narrow portion 4012 outer diameter, wherein a narrow portion 4012 be threadedly coupled the tube head 402 with Port sealing is carried out, is uniformly provided with several gas vents 4021 in the tube head 402, gas vent 4021 is by the sky in probe tube 401 Between be connected to exterior space, in coring be discharged sampler 4 in air, another 4012 outer wall thread of narrow portion The shoe 403 is connected to be sampled, particularly, the outer wall of the tube head 402, wide portion 4011 and shoe 403 is smoothly connected, Thereby guarantee that the outer wall of sampler 4 is also smooth, while the bottom of the shoe 403 is tip, is conducive to sampler 4 and pierces It is sampled in soil.
Further, in order to guarantee that the soil sample obtained is integrality, the sampler 4 is designed as double-open type sampler 4, In actual operation, can also be added in sampler 4 one it is double open bushing pipe 17, i.e., sampler 4 and it is double open bushing pipe 17 all and be by Made of two identical structures are commented and connect, that is, semi-circular tube can directly separate probe tube in this way after obtaining soil sample 401 open bushing pipe 17 with double, guarantee the complete of soil sample, are conducive to subsequent research.
Fig. 1 and Fig. 2 are please referred to, is equipped at least two probes 5 at equal intervals in the shoe 403, each probe 5 connects Line one end contacts one side with projecting platform in the shoe 403 and forms probe contacts, the wide portion 4011, tube head 402 and brill It is equipped with the connector electric wire 6 to connect one to one with the probe contacts in bar, is arranged on the drilling rod close to 1 one end of engine There is a hollow shaft slip ring 7, the hollow shaft slip ring 7 includes the stator 701 and rotor 702 relatively rotated, 701 interior lines of stator Circle and 702 interior loop of rotor are connected with each other, and the fixed drilling rod that is set in of the rotor 702 is by 1 one end of engine, the stator 701 It is installed on engine 1 by installation sheet 8, described 702 coil one end of rotor is connect with the connector electric wire 6 in drilling rod, the other end It is connected with 701 coil of stator, the probe contacts, connector electric wire 6,702 coil of rotor and 701 coil of stator include power supply line And signal wire, the power supply line in 701 coil of stator connect a power supply module 9, and then power supply module 9 pass through it is sequentially connected 701 coil of stator, 702 coil of rotor, connector electric wire 6 and probe contacts are 5 power supply of probe, similarly, in 701 coil of stator Signal wire connect an instrument board 10, for receive and show probe 5 acquisition data-signals;In the present embodiment, the spy First 5 quantity is three, is equally spaced arranged in the shoe 403, and the probe 5 includes two moisture content probes 5 and one Hardness/temp probe 5, the moisture content probe 5 can be measured aqueous in sampling soil layer using FDR moisture content probe 5 Rate, the hardness/temp probe 5 can measure the hardness and temperature value of sampling soil layer.
1 structure of engine is equipped with the supporting mechanism, is used to support 1 structure of engine, the supporting mechanism packet Two support legs are included, each support leg includes two stabilizer blades 19, an articulated shaft 20, a connecting shaft 21 and a fixed plate 22, institute It states and connects the connecting shaft 21 in the middle part of two stabilizer blades 19, described two stabilizer blades, 19 one end is tip, and the other end is hinged end, described two The hinged end of foot 19 is public to be hinged on the articulated shaft 20, and described 20 one end of articulated shaft is equipped with the fixation for fixed hinge end Device, the other end are fixedly installed with the fixed plate 22, and 1 outer wall of engine is symmetrically installed the fixed plate 22, realize for The support of engine 1;Further, the stabilizer blade 19 include upper support leg 1901, lower support leg 1902 and locker 1903, it is described on It is cavity inside stabilizer blade 1901, and 1901 one end of the upper support leg is hinged end, the other end is opening, the lower support leg 1,902 1 End is tip, and the other end may pass through opening and move in 1901 cavity of upper support leg, the upper support leg 1901 and lower support leg 1902 junctions are equipped with the locker 1903, for fixing and unclamping the upper support leg 1901 and lower support leg 1902, to adjust The length of stabilizer blade 19, and then realize the adjusting for entering the 1 both ends height of angle and engine of sampling soil layer for sampler 4.
Meanwhile direction regulator 18 is equipped on the engine 1, the direction regulator 18 includes a level governor With vertical adjuster, the level governor and vertical adjuster are all made of level(l)ing bubble, can quickly complete the brill of sampler 4 Into angle.
The sampler 4 can be used the sampling of drilling type or static pressure type, in the present embodiment, by a pair of support leg, 1 power drive sampler 4 of engine may be implemented and vertically pierce sampling soil layer.
Embodiment two
Referring to FIG. 6, embodiment of the invention discloses a kind of portable multi-function undisturbed soil sampling instrument, with embodiment one A kind of disclosed portable multi-function undisturbed soil sampling instrument the difference is that, the support device be two, the drilling rod leans on Nearly 4 one end of sampler is arranged with a spring bearing 23, and the bearing outer wall is symmetrically installed the fixed plate 22, then the drilling rod and Engine 1 is all made of the supporting mechanism and is supported, while guaranteeing that the height of two supporting mechanisms is identical, so that it may realize The horizontal sampling of the sampler 4, to adapt to unused geology situation.
It is described in the present invention that specific embodiments are merely illustrative of the spirit of the present invention.Technology belonging to the present invention The technical staff in field can make various modifications or additions to the described embodiments or by a similar method Substitution, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of portable multi-function undisturbed soil sampling instrument, including power mechanism and sampler, it is characterised in that: the engine Structure connects the sampler, and for providing power for sampler, the sampler includes probe tube, tube head and shoe, described to take Sample pipe includes being located in the middle wide portion and the narrow portion positioned at wide portion both ends, and the wide portion and narrow portion junction formation one are prominent flat Platform is used for probe tube port sealing, another narrow portion outer wall thread connection wherein a narrow portion is threadedly coupled the tube head The shoe is equipped at least two probes to be sampled at equal intervals in the shoe, the terminals of each probe exist The shoe contacts one side with projecting platform and forms probe contacts, is equipped with and the probe in the width portion, tube head and drilling rod The connector electric wire that contact connects one to one is arranged with a hollow shaft slip ring, the sky close to engine one end on the drilling rod Coil is equipped in mandrel slip ring, hollow shaft slip ring coil one end is connect with connector electric wire, and the other end is separately connected the electricity Source component and instrument board, for powering and receiving and show the data-signal of probe acquisition for probe.
2. portable multi-function undisturbed soil sampling instrument according to claim 1, it is characterised in that: the power mechanism includes dynamic Power machine and drilling rod, the two ends of drill are respectively equipped with connecting column and fixed column, and the connecting column is connected described dynamic by shaft coupling Power machine output shaft, the fixed column are detachably connected the sampler by connecting shaft connector, set at the top of the sampler center There is a threaded post, the connecting shaft connector is wherein equipped with the internal screw thread to match with threaded post in one end, is threadedly coupled sampler and company Shaft coupling is equipped with corresponding jack on the connecting shaft connector other end and fixed column, is interspersed with fixed pin in the jack, with The fixed connecting shaft connector and drilling rod.
3. portable multi-function undisturbed soil sampling instrument according to claim 2, it is characterised in that: the drilling rod includes one first Drilling rod and a third drilling rod are equipped with the connector electric wire, first two ends of drill in first drilling rod and third drilling rod It is respectively equipped with connecting column and screw shell, the third two ends of drill is respectively equipped with threaded post and fixed column, the third drilling rod Threaded post and the first drilling rod screw shell between be threadedly coupled, complete the spelling between first drilling rod and third drilling rod It connects.
4. portable multi-function undisturbed soil sampling instrument according to claim 3, it is characterised in that: if the drilling rod may also include Dry second drilling rod, second drilling rod is interior to be equipped with the connector electric wire, and second two ends of drill is respectively equipped with threaded post and spiral shell The screw shell of line sleeve, the threaded post of second drilling rod and another second drilling rod is threadedly coupled, and realizes that two described second bore Splicing between bar, and second two ends of drill connects with the threaded post of the screw shell of the first drilling rod and third drilling rod respectively It connects, completes the splicing between first drilling rod, the second drilling rod and third drilling rod.
5. portable multi-function undisturbed soil sampling instrument according to claim 1, it is characterised in that: the hollow shaft slip ring includes The stator and rotor of relative rotation, for the fixed drilling rod that is set in of the rotor by engine one end, the stator is solid by installation sheet It is located on engine, stator coil and rotor coil, the stator coil and rotor line is respectively equipped in the stator and rotor Circle is connected with each other and constitutes hollow shaft slip ring coil, wraps in the probe contacts, connector electric wire, stator coil and rotor coil Power supply line and signal wire are included, the rotor coil other end is connect with the connector electric wire in drilling rod, the electricity in the stator coil Source line connects the power supply module, and the signal wire in the stator coil connects the instrument board.
6. portable multi-function undisturbed soil sampling instrument according to claim 1, it is characterised in that: the sampler inner wall is flat Sliding surface, the sampler inner wall are close to be equipped with a pair of and open bushing pipe, described double to open bushing pipe medial surface and shoe medial surface is smoothly connected.
7. portable multi-function undisturbed soil sampling instrument according to claim 1, it is characterised in that: the probe includes at least one Moisture content probe and one hardness/temp probe, the engine are equipped with direction regulator, and the direction regulator includes a water Flat regulator and vertical adjuster.
8. portable multi-function undisturbed soil sampling instrument according to claim 1, it is characterised in that: the power mechanism is equipped with The supporting mechanism is used to support the power mechanism, and the supporting mechanism includes two support legs, and each support leg is wrapped Two stabilizer blades, an articulated shaft, a connecting shaft and a fixed plate are included, connects the connecting shaft, two stabilizer blade in the middle part of two stabilizer blade One end is tip, and the other end is hinged end, and the hinged end of two stabilizer blade is public to be hinged on the articulated shaft, the articulated shaft One end is equipped with the fixator for fixed hinge end, and the other end is fixedly installed with the fixed plate, and the engine outer wall is symmetrical The fixed plate is installed, realizes the support for engine.
9. portable multi-function undisturbed soil sampling instrument according to claim 8, it is characterised in that: the drilling rod is close to sampler One end is arranged with a spring bearing, and the bearing outer wall is symmetrically installed the fixed plate, to realize the sampler level sampling.
10. portable multi-function undisturbed soil sampling instrument according to claim 8 or claim 9, it is characterised in that: the stabilizer blade includes upper Stabilizer blade, lower support leg and locker, the upper support leg inside is cavity, and described upper support leg one end is hinged end, and the other end is to open Mouthful, described lower support leg one end is tip, and the other end may pass through opening and move in the upper support leg cavity, and the upper support leg is under Stabilizer blade junction is equipped with the locker, for fixing and unclamping the upper support leg and lower support leg, to adjust the length of stabilizer blade.
CN201811504643.4A 2018-12-10 2018-12-10 A kind of portable multi-function undisturbed soil sampling instrument Pending CN109357910A (en)

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CN112255014A (en) * 2020-11-19 2021-01-22 武汉轻工大学 Collection drill bit and collection device
CN113310726A (en) * 2021-05-26 2021-08-27 山东大学 Portable sampling system and method in narrow space
CN114486344A (en) * 2022-03-17 2022-05-13 中国地质环境监测院(自然资源部地质灾害技术指导中心) Underwater surface matrix sampler

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