CN115561017B - Torque-driven soil sample automatic sampling device - Google Patents

Torque-driven soil sample automatic sampling device Download PDF

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Publication number
CN115561017B
CN115561017B CN202211277316.6A CN202211277316A CN115561017B CN 115561017 B CN115561017 B CN 115561017B CN 202211277316 A CN202211277316 A CN 202211277316A CN 115561017 B CN115561017 B CN 115561017B
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China
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sampling
fixedly assembled
assembly
assembled
bottom plate
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CN115561017A (en
Inventor
林楠
刘翰霖
姜然哲
刘舒
吴梦红
付佳伟
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Jilin Jianzhu University
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Jilin Jianzhu University
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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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/42Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels

Abstract

The invention discloses a torque-driven soil sample automatic sampling device, which comprises: the lower surface of the device bottom plate is fixedly provided with four groups of traveling wheels; the sampling tube selection assembly is fixedly assembled on the upper surface of the device bottom plate; the support frame is fixedly assembled on the right side of the upper surface of the device bottom plate, and a torque type restoring assembly is fixedly assembled above the support frame; the sampling assembly is arranged between the sampling tube selection assembly and the support frame and is fixedly assembled on the upper surface of the device bottom plate; and the clamp holder is fixedly assembled on the lower surface of the device bottom plate and is clamped with the drilling component.

Description

Torque-driven soil sample automatic sampling device
Technical Field
The invention relates to the technical field of soil analysis, in particular to a torque-driven automatic soil sample sampling device.
Background
Soil samples collected in the field are important basic data for estimating soil quality in a large area scale by using a remote sensing technology. As an important link of soil quality monitoring, the collection of soil samples is an important precondition for chemical testing of soil element content, and especially when field experiments are carried out, whether the soil sample collection method is standard or not is a precondition for whether the chemical analysis result of the effective nutrient content of the soil at the test point is accurate or not. The key to collecting soil samples is to note that the soil type and crop type of the sampling area are both representative, and that different sampling methods and tools are required depending on the analysis project. The common soil samples for nutrient testing are more than the mixed soil samples collected before the test at multiple points, fresh or air-dried soil samples are respectively prepared, and the fresh or air-dried soil samples are brought back into the room for analysis. The measured basic soil sample of the test point should be stored for a long time so as to be used for the subsequent analysis and measurement of the spectral reflectance of the soil and other physical and chemical properties of the soil.
In the soil sampling process, because the soil properties of different soil types and soil forming matrixes are different, the depth of the required sampling is also different, the existing device is often only capable of sampling a single land, the device is not wide, meanwhile, the existing sampling device mostly adopts violent pulling before lifting the sampling tube, surplus or incomplete soil samples at the lower end of the sampling tube are extremely easy to cause, meanwhile, the lower end of the sampling tube is not provided with a receiving object, and when the land is a loose soil, the soil collapses to cause a large amount of loss during lifting, so that sampling failure is caused.
Accordingly, there is a need to provide a torque-driven soil sample automatic sampling device that addresses the above-described issues.
Disclosure of Invention
In order to achieve the above object, the present invention provides a torque-driven soil sample automatic sampling device, comprising:
the lower surface of the device bottom plate is fixedly provided with four groups of traveling wheels;
the sampling tube selection assembly is fixedly assembled on the upper surface of the device bottom plate;
the support frame is fixedly assembled on the right side of the upper surface of the device bottom plate, and a torque type restoring assembly is fixedly assembled above the support frame;
the sampling assembly is arranged between the sampling tube selection assembly and the support frame and is fixedly assembled on the upper surface of the device bottom plate;
and the clamp holder is fixedly assembled on the lower surface of the device bottom plate and is clamped with the drilling component.
Further, preferably, the sampling tube selection assembly includes:
the first motor is fixedly assembled on the upper surface of the device bottom plate, and a rotating frame is fixedly assembled on an output shaft of the first motor;
four groups of fixing blocks are fixedly assembled on the upper plane and the lower plane of the rotating frame, two groups of clamping claws which are arranged in a mirror image mode are rotatably assembled at two ends of each fixing block, the inner sides of the clamping claws are connected through hydraulic rods, sampling pipes are fixedly clamped on the outer sides of the clamping claws, rectangular grooves are formed in clamping sections of one group of clamping claws, and an elasticity control assembly is embedded in the rectangular grooves.
Further, preferably, threaded interfaces are arranged at the upper and lower ports of the sampling tubes, and the lengths of the four groups of sampling tubes are increased clockwise.
Further, preferably, the tightness control assembly comprises:
and the reset spring is placed in the rectangular groove of the clamping claw, is fixedly assembled on the left side of the groove, and is laterally assembled on the right side of the groove, a sliding block is fixedly assembled on the right side of the sliding block, a control sensor is arranged on the front side of the sliding block, the plane of the front side of the sliding block is overlapped with the plane of the clamping section of the clamping claw, and the control sensor is connected with the hydraulic rod and controls the extension or contraction of the hydraulic rod.
Further, preferably, the sampling assembly includes:
the fixed guide rail is vertically and fixedly assembled on the upper surface of the device bottom plate, an electric sliding block is slidably assembled on the fixed guide rail, a second motor is fixedly assembled on the left side of the electric sliding block, and a sampling tube fixing cover is coaxially and fixedly assembled on an output shaft of the second motor.
Further, preferably, the drilling assembly comprises:
the drilling shell is clamped and assembled on the inner side of the clamp holder, the upper end of the drilling shell is provided with a thread groove matched with the threaded interface, and the lower end of the drilling shell is provided with serrated earth breaking teeth;
the upper end of the drilling shell is provided with an interlayer, and a broken sample piece is coaxially assembled in the interlayer.
Further, as the preference, the broken sample piece upper end links to each other, and the lower extreme is dispersed, and the upper end is rigid structure, and the lower extreme is elastic structure, and two sets of screw holes that the symmetry set up are seted up to its upper end, and its internal thread connection has the rotation lead screw, the rotation lead screw other end coaxial fastening is on the output shaft of third motor, third motor fixed assembly is in broken sample piece intermediate layer upper end.
Further, preferably, a sampling groove is formed in the bottom plate of the device, and the sampling groove, the sampling tube fixing cover and the drilling shell are always coaxial.
Further, preferably, the torque type restoring assembly includes:
the rotating seat is fixedly assembled at the upper end of the supporting frame, a rotating rod is coaxially and rotatably assembled at the inner side of the rotating seat, a rotating gear is coaxially and fixedly assembled at the left side of the rotating rod, and a fixing rod with different centers is arranged at the right side of the rotating gear;
the torsion spring is arranged between the rotating seat and the rotating gear, is coaxially assembled on the rotating rod, the right end of the torsion spring is fixed on the rotating seat, and the other end of the torsion spring is slidably arranged on the fixed rod.
Further, preferably, the rotating gear is engaged and assembled on a transmission chain, one end of the rotating gear is fixedly assembled at the upper end of the second motor, the other end of the rotating gear is fixedly assembled with an auxiliary spring, and the other end of the auxiliary spring is fixedly assembled on the device bottom plate.
Compared with the prior art, the invention provides a torque-driven soil sample automatic sampling device, which has the following beneficial effects:
according to the invention, the sampling tube selecting assembly is arranged, the sampling tube with proper length can be selected according to cultivated lands in different planting states, the working efficiency is further improved, meanwhile, the threaded interfaces are arranged at the two ends of the sampling tube, so that the sampling tube is more tightly matched with other assemblies, the sampling tube and the other assemblies are prevented from falling off in the sampling process, the sampling failure is caused, the drilling assembly is arranged, the serrated soil breaking teeth are arranged on the sampling tube selecting assembly, the soil can be broken better, the sampling tube is smoothly moved downwards, the original state of the sampled soil is maintained, the detection accuracy is improved, sample defect caused by stone and other factors is prevented under the condition of violent downward movement, meanwhile, the sampling plate is arranged in the drilling assembly, the soil with specified depth can be smoothly separated from the soil at the lower side of the sampling tube, violent separation is prevented, the lower end of the sampling tube is prevented from being caused, the sampling plate is prevented from being surplus or defective in the rising process, the sampling plate can play a certain role in bearing the condition, the soil sample is prevented from collapsing when the soft soil is in the rising process, in addition, the torque recovering sampling tube assembly is arranged, the sampling tube assembly can be greatly saved, the energy is saved when the sampling tube is lowered, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a torque driven soil sample automatic sampling device;
FIG. 2 is a schematic diagram of a torque driven soil sample automatic sampling device sampling tube selection assembly;
FIG. 3 is a schematic diagram of a torque driven soil sample automatic sampling device tightness control assembly;
FIG. 4 is a schematic diagram of a torque driven soil sample automatic sampling device sampling structure;
FIG. 5 is a schematic diagram of a torque driven soil sample automatic sampling device drilling assembly;
in the figure: 1. a device base plate; 2. a travelling wheel; 3. a sampling tube selection assembly; 4. a support frame; 5. a torque type restoring assembly; 6. a sampling assembly; 7. a holder; 8. a drilling assembly; 9. a sampling groove; 31. a first motor; 32. a rotating frame; 33. a fixed block; 34. clamping claws; 35. a hydraulic rod; 36. an tightness control assembly; 37. a sampling tube; 38. a threaded interface; 361. a return spring; 362. a sliding block; 363. a control sensor; 51. a rotating seat; 52. a rotating lever; 53. rotating the gear; 54. a torsion spring; 55. a fixed rod; 56. a drive chain; 57. an auxiliary spring; 61. a fixed guide rail; 62. an electric slide block; 63. a second motor; 64. a sampling tube fixing cover; 81. drilling a housing; 82. a thread groove; 83. breaking the earth teeth; 84. a sample breaking piece; 85. rotating a screw rod; 86. and a third motor.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a torque-driven soil sample automatic sampling device, comprising:
the device bottom plate 1 is fixedly provided with four groups of traveling wheels 2 on the lower surface;
the sampling tube selection assembly 3 is fixedly assembled on the upper surface of the device bottom plate 1;
the support frame 4 is fixedly assembled on the right side of the upper surface of the device bottom plate 1, and a torque type restoring assembly 5 is fixedly assembled above the support frame;
the sampling assembly 6 is arranged between the sampling tube selection assembly 3 and the supporting frame 4 and is fixedly assembled on the upper surface of the device bottom plate 1;
a clamp 7 fixedly assembled on the lower surface of the device base plate 1 and clamping a drilling assembly 8 thereon;
as a preferred embodiment, the travelling wheel 2 is utilized to operate the device to a position needing to be sampled, the sampling tube selecting assembly 3 of the device is rotated according to actual sampling requirements, a proper sampling tube 37 is selected, after the sampling tube is selected, the sampling assembly 6 is started, after the sampling assembly 6 is in butt joint with the sampling tube 37, the sampling tube selecting assembly 3 is loosened, the sampling assembly 6 continues to operate, after the sampling tube 37 is in butt joint with the drilling assembly 8, the clamp holder 7 is loosened, the sampling assembly 6 continues to operate until the sampling assembly runs to the limit position, the sampling assembly 6 is locked, the drilling assembly 8 completes the cutting-off work of a sample, after the cutting-off is completed, the sampling assembly 6 is opened, and returns to the initial position under the driving of the torque type restoring assembly 5, and the sampling tube 37 is taken down, so that the soil sampling work of the area is completed.
Further, the sampling tube selecting assembly 3 includes:
the first motor 31 is fixedly assembled on the upper surface of the device bottom plate 1, and a rotating frame 32 is fixedly assembled on an output shaft of the first motor;
four groups of fixing blocks 33 are fixedly assembled on the upper plane and the lower plane of the rotating frame 32, two groups of clamping claws 34 which are arranged in a mirror image mode are rotatably assembled at two ends of the fixing blocks 33, the inner sides of the clamping claws 34 are connected through hydraulic rods 35, sampling pipes 37 are fixedly clamped on the outer sides of the clamping claws, rectangular grooves are formed in the clamping sections of one group of the clamping claws 34, and an tightness control assembly 36 is embedded in the rectangular grooves.
Further, threaded interfaces 38 are arranged at the upper and lower ports of the sampling tube 37, and the lengths of the four groups of sampling tubes 37 are increased clockwise;
as a preferred embodiment, the first motor 31 is a stepping motor, the rotation angle of each time is 90 degrees, and the rightmost sampling tube 37 is coaxial with the drilling component 8 in the initial state, because of different depths of soil collection of the cultivated lands in different planting states, four groups of sampling tubes 37 with different lengths can meet most soil collection requirements, the working efficiency is further improved, and threaded connectors 38 are arranged at two ends of the sampling tubes 37, so that the sampling tubes 37 are more tightly matched with the sampling component 6 and the drilling component 8, and falling of the sampling tubes 37 and other components in the sampling process is prevented, and sampling failure is caused.
Further, the slack control assembly 36 includes:
a return spring 361 placed in the rectangular groove of the gripper jaw 34 and fixedly assembled on the left side of the groove, the right side of which is slidably assembled with a sliding block 362, the right side of the sliding block 362 is fixedly assembled with a control sensor 363, wherein the front plane of the sliding block 362 coincides with the plane of the gripping section of the gripper jaw 34, and the control sensor 363 is connected with the hydraulic rod 35 and controls the extension or contraction thereof;
as a preferred embodiment, when the designated sampling tube 37 is moved to the designated position, the sampling assembly 6 will rotate to match with the sampling tube 37, at this time, the hydraulic rod 35 is in an extended state, the sampling tube 37 is fixed, further, smooth matching of the sampling tube 37 and the sampling assembly 6 is ensured, after the sampling tube 37 is perfectly matched with the sampling assembly 6, the sampling assembly 6 will continue to rotate, under the rotation of the sampling assembly 6, the sampling tube 37 will be driven to twist, the sliding block 362 will move to the left side under the torsion, the return spring 361 is compressed, the control sensor 363 is released, after the control sensor 363 is released, the hydraulic rod 35 will be controlled to shrink, the clamping claw 34 at the side is opened, the sampling tube 37 moves continuously along with the sampling assembly 6, after the clamping claw 34 is opened, the sliding block 362 is separated from the sampling tube 37, loses the torsion force thereof, the initial position is returned under the rebound of the return spring 361, the control sensor 363 is compressed again, and the hydraulic rod 35 stops shrinking (after the sampling is completed, the hydraulic rod 35 needs to be manually controlled to reset and the sampling tube 37 is clamped).
Further, the sampling assembly 6 includes:
a fixed guide rail 61 vertically and fixedly assembled on the upper surface of the device bottom plate 1, an electric slide block 62 is slidingly assembled on the fixed guide rail, a second motor 63 is fixedly assembled on the left side of the electric slide block 62, and a sampling tube fixing cover 64 is coaxially and fixedly assembled on the output shaft of the second motor 63;
in a preferred embodiment, the inner thread engaged with the threaded interface 38 is provided in the sampling tube fixing cover 64, and when the electric slider 62 moves to the limit position, the top plane of the threaded interface 38 coincides with the sampling soil plane, and when the electric slider 62 moves to the limit position, the electric slider will be temporarily locked, waiting for the drilling assembly 8 to cut off the sample, and preventing the torque type restoring assembly 5 from pulling back the sampling tube 37.
Further, the drilling assembly 8 comprises:
a drilling housing 81 which is clamped and assembled inside the clamp 7, the upper end of which is provided with a thread groove 82 matched with the thread interface 38, and the lower end of which is provided with serrated earth breaking teeth 83;
the drilling housing 81 is provided at its upper end with an interlayer in which a break tab 84 is coaxially fitted.
Further, the upper ends of the breaking sheets 84 are connected, the lower ends are dispersed, the upper ends are of a rigid structure, the lower ends are of an elastic structure, two groups of symmetrically arranged threaded holes are formed in the upper ends of the breaking sheets, a rotating screw rod 85 is connected with the inner threads of the breaking sheets, the other ends of the rotating screw rod 85 are coaxially fixed on an output shaft of a third motor 86, and the third motor 86 is fixedly assembled on the upper ends of the interlayers of the breaking sheets 84;
in a preferred embodiment, the saw teeth on the breaking teeth 83 can break the soil better, the sampling tube 37 moves down smoothly while keeping the most original state of the sampled soil, the accuracy of detection is improved, sample defects caused by stones and other factors under the condition of violent downward movement are prevented, meanwhile, the breaking piece 84 can smoothly separate the soil with a specified depth from the soil under the breaking teeth, the violent separation of the sampling tube 37 in the rising process is prevented, surplus or defect of the soil sample at the lower end of the breaking piece is caused, meanwhile, the breaking piece 84 can play a certain bearing role, the loose soil sample is prevented from collapsing to cause a great deal of loss during the returning, in an initial state, the breaking piece 84 is positioned at the uppermost part of the rotating screw rod 85, the inside of the drilling shell 81 is completely opened, when the sampling assembly 6 moves to a limit position, the third motor 86 is started, the breaking piece 84 slides down under the action of the rotating screw rod 85, the breaking piece 84 is gradually deformed from the vertical direction to the horizontal direction until the breaking piece 84 is closed under the breaking piece 84, and the breaking piece is connected with the soil sample by the third motor 86.
Further, a sampling slot 9 is formed on the device bottom plate 1, and the sampling slot 9, the sampling tube fixing cover 64 and the drilling housing 81 are always coaxial.
Further, the torque type restoring assembly 5 includes:
the rotating seat 51 is fixedly assembled at the upper end of the supporting frame 4, a rotating rod 52 is coaxially and rotatably assembled at the inner side of the rotating seat, a rotating gear 53 is coaxially and fixedly assembled at the left side of the rotating rod 52, and a non-concentric fixing rod 55 is arranged at the right side of the rotating gear 53;
a torsion spring 54 disposed between the rotating seat 51 and the rotating gear 53 and coaxially assembled to the rotating rod 52, the right end of which is fixed to the rotating seat 51, and the other end of which is slidably disposed to the fixed rod 55;
as a preferred embodiment, the torsion spring 54 is a coil spring. The end of the torsion spring 54 is fixed on the rotating seat 51, when other components rotate around the center of the torsion spring 54, the spring pulls the torsion spring 54 back to the initial position to generate torque or rotating force, when the sampling component 6 moves downwards, the transmission chain 56 fixed above the torsion spring drives the rotating gear 53 to rotate clockwise, the left end of the torsion spring 54 rotates along with the rotation of the torsion spring under the action of the fixing rod 55, the torsion spring is continuously lengthened until the sampling component 6 moves to the limit position, after the sampling is completed, the self-locking of the sampling component 6 is opened, no external force acts, the momentum accumulated by the torsion spring 54 is released, the torsion spring 54 returns to the initial state to drive the rotating gear 53 to rotate anticlockwise, and the sampling tube 37 is lifted back under the action of the transmission chain 56, so that energy is saved to a large extent, and the working efficiency is improved.
Further, the rotating gear 53 is engaged with and assembled on the driving chain 56, one end of the rotating gear is fixedly assembled on the upper end of the second motor 63, the other end of the rotating gear is fixedly assembled with the auxiliary spring 57, the other end of the auxiliary spring 57 is fixedly assembled on the device bottom plate 1, the auxiliary spring 57 can fix the driving chain 56 to prevent the driving chain 56 from being separated due to external factors, and meanwhile, energy is accumulated in the downward moving process of the device to assist the torsion spring 54 to complete the lifting work of the sampling tube 37.
The specific implementation method comprises the following steps: the device is operated to a position needing to be sampled by utilizing the travelling wheel 2, the sampling tube selecting assembly 3 of the device is rotated according to actual sampling requirements, a proper sampling tube 37 is selected, after the sampling tube is selected, the sampling assembly 6 is started, after the sampling assembly 6 is in butt joint with the sampling tube 37, the sampling tube selecting assembly 3 is loosened, the sampling assembly 6 continues to operate, after the sampling tube 37 is in butt joint with the drilling assembly 8, the clamp 7 is loosened, the sampling assembly 6 continues to operate until the sampling assembly 6 runs to the limit position, the sampling assembly 6 is locked, the drilling assembly 8 completes the cutting work of a sample, after the cutting is completed, the sampling assembly 6 is opened, and returns to the initial position under the driving of the torque type restoring assembly 5, the sampling tube 37 is taken down, and the soil sampling work of the area is completed.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (4)

1. A torque driving type soil sample automatic sampling device is characterized in that: comprising the following steps:
a device bottom plate (1), the lower surface of which is fixedly provided with four groups of travelling wheels (2);
the sampling tube selection assembly (3) is fixedly assembled on the upper surface of the device bottom plate (1);
the support frame (4) is fixedly assembled on the right side of the upper surface of the device bottom plate (1), and a torque type restoring assembly (5) is fixedly assembled above the support frame;
the sampling assembly (6) is arranged between the sampling tube selection assembly (3) and the support frame (4) and is fixedly assembled on the upper surface of the device bottom plate (1);
the clamp holder (7) is fixedly assembled on the lower surface of the device bottom plate (1), and a drilling component (8) is clamped on the clamp holder;
the sampling tube selection assembly (3) comprises:
the first motor (31) is fixedly assembled on the upper surface of the device bottom plate (1), and a rotating frame (32) is fixedly assembled on an output shaft of the first motor;
four groups of fixed blocks (33) are fixedly assembled on the upper plane and the lower plane of the rotating frame (32), two groups of clamping claws (34) which are arranged in a mirror image manner are rotatably assembled at two ends of the fixed blocks (33), the inner sides of the clamping claws (34) are connected by a hydraulic rod (35), a sampling tube (37) is fixedly clamped at the outer sides of the clamping claws, rectangular grooves are formed in the clamping sections of one group of the clamping claws (34), and an elasticity control assembly (36) is embedded in the rectangular grooves;
the drilling assembly (8) comprises:
a drilling shell (81) which is clamped and assembled on the inner side of the clamp holder (7), the upper end of the drilling shell is provided with a thread groove (82) matched with the thread interface (38), and the lower end of the drilling shell is provided with serrated earth breaking teeth (83);
an interlayer is arranged at the upper end of the drilling shell (81), and a broken sample piece (84) is coaxially arranged in the interlayer;
the upper ends of the sample breaking pieces (84) are connected, the lower ends of the sample breaking pieces are dispersed, the upper ends of the sample breaking pieces are of a rigid structure, the lower ends of the sample breaking pieces are of an elastic structure, two groups of symmetrically arranged threaded holes are formed in the upper ends of the sample breaking pieces, a rotating screw rod (85) is connected to the inner threads of the sample breaking pieces, the other ends of the rotating screw rod (85) are coaxially fixed on an output shaft of a third motor (86), and the third motor (86) is fixedly assembled at the upper end of an interlayer of the sample breaking pieces (84);
the sampling assembly (6) comprises:
the fixed guide rail (61) is vertically and fixedly assembled on the upper surface of the device bottom plate (1), an electric sliding block (62) is assembled on the fixed guide rail in a sliding manner, a second motor (63) is fixedly assembled on the left side of the electric sliding block (62), and a sampling tube fixing cover (64) is coaxially and fixedly assembled on an output shaft of the second motor (63);
the torque return assembly (5) comprises:
the rotating seat (51) is fixedly assembled at the upper end of the supporting frame (4), a rotating rod (52) is coaxially and rotatably assembled at the inner side of the rotating seat, a rotating gear (53) is coaxially and fixedly assembled at the left side of the rotating rod (52), and a fixing rod (55) with different centers is arranged at the right side of the rotating gear (53);
a torsion spring (54) which is arranged between the rotating seat (51) and the rotating gear (53) and is coaxially assembled on the rotating rod (52), the right end of the torsion spring is fixed on the rotating seat (51), and the other end of the torsion spring is slidably arranged on the fixed rod (55);
the rotary gear (53) is engaged and assembled on a transmission chain (56), one end of the transmission chain is fixedly assembled at the upper end of the second motor (63), the other end of the transmission chain is fixedly assembled with an auxiliary spring (57), and the other end of the auxiliary spring (57) is fixedly assembled on the device bottom plate (1).
2. A torque-driven soil sample automatic sampling device as claimed in claim 1, wherein: screw interfaces (38) are arranged at the upper and lower ports of the sampling pipes (37), and the lengths of the four groups of sampling pipes (37) are increased clockwise.
3. A torque-driven soil sample automatic sampling device as claimed in claim 1, wherein: the slack control assembly (36) includes:
and a return spring (361) which is placed in the rectangular groove of the clamping claw (34) and is fixedly assembled at the left side of the groove, the right side of the return spring is slidingly assembled with a sliding block (362), the right side of the sliding block (362) is fixedly assembled with a control sensor (363), the front plane of the sliding block (362) is overlapped with the plane of the clamping section of the clamping claw (34), and the control sensor (363) is connected with the hydraulic rod (35) and controls the extension or contraction of the hydraulic rod.
4. A torque-driven soil sample automatic sampling device as claimed in claim 1, wherein: a sampling groove (9) is formed in the device bottom plate (1), and the sampling groove (9), the sampling tube fixing cover (64) and the drilling shell (81) are coaxial all the time.
CN202211277316.6A 2022-10-19 2022-10-19 Torque-driven soil sample automatic sampling device Active CN115561017B (en)

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CN209858256U (en) * 2019-03-21 2019-12-27 张婷 Soil sampling collection device convenient to take out and collect sample
CN210180722U (en) * 2019-07-25 2020-03-24 辽宁省地质勘查院有限责任公司 Geotechnical engineering sampler
CN110560197A (en) * 2019-08-07 2019-12-13 科劲国际(西安)环保科技有限公司 Portable sewage sample save set
JP6842006B1 (en) * 2020-01-03 2021-03-17 青島開運安豊智能科技有限公司 Sampling equipment for soil excavators
CN111521438A (en) * 2020-05-06 2020-08-11 张小娟 Sampling device for water quality detection and using method
CN212275282U (en) * 2020-05-21 2021-01-01 江苏中之盛环境科技有限公司 Soil fast drilling sampling device
CN111665079A (en) * 2020-06-11 2020-09-15 吴灵芝 Array type sampling device for pesticide residue detection
WO2022104785A1 (en) * 2020-11-23 2022-05-27 唐山哈船科技有限公司 Rock-soil sampling device for marine geological survey
CN112763686A (en) * 2020-12-26 2021-05-07 义乌市排水有限公司 A multi-functional quick detection device for environmental soil detects
CN112964498A (en) * 2021-03-02 2021-06-15 徐宏杰 Be used for farmland soil pollution to administer to restore and use soil sample sampling device
CN215677657U (en) * 2021-09-08 2022-01-28 陈伟民 Sampling device for geological environment monitoring

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