CN117419956A - Sampling device for measuring soil volume weight - Google Patents
Sampling device for measuring soil volume weight Download PDFInfo
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- CN117419956A CN117419956A CN202311748350.1A CN202311748350A CN117419956A CN 117419956 A CN117419956 A CN 117419956A CN 202311748350 A CN202311748350 A CN 202311748350A CN 117419956 A CN117419956 A CN 117419956A
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- 239000002689 soil Substances 0.000 title claims abstract description 116
- 238000005070 sampling Methods 0.000 title claims abstract description 82
- 238000004806 packaging method and process Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims 2
- 238000005527 soil sampling Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 17
- 238000005538 encapsulation Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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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
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices 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)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of soil sampling devices, in particular to a sampling device for measuring the volume weight of soil, which comprises: the device comprises a pneumatic impact device, a sampling head, a plurality of telescopic cavities, a packaging cavity, a plurality of telescopic plates and a soil digging module; the sampling head is fixedly arranged at the bottom end of the pneumatic impact device; the packaging cavity is arranged in the sampling head, is exposed to the bottom surface of the sampling head and is used for accommodating a soil sample; the plurality of telescopic cavities are arranged in the sampling head, are exposed to the bottom surface of the sampling head and are distributed around the circumference array of the packaging cavity; the plurality of expansion plates are respectively arranged in the plurality of expansion cavities in a sliding manner and are used for sealing the bottom ports of the packaging cavities; the soil digging module is arranged in the sampling head and connected with the plurality of expansion plates for controlling the expansion of the plurality of expansion plates. The invention solves the defect of complicated deep soil sampling operation in the prior art, and has the characteristic of convenient use and operation.
Description
Technical Field
The invention relates to the technical field of soil sampling devices, in particular to a sampling device for measuring the volume weight of soil.
Background
The soil volume weight is called dry volume weight, also called soil bulk specific gravity, and refers to the ratio of the dried mass to the dried volume of a certain volume of soil (including soil particles and pores among particles), and the soil volume weight is one of important indexes of the physicochemical properties of the soil and reflects the advantages and disadvantages of the soil properties, namely the soil fertility, the physicochemical properties and the biological properties, in order to confirm the soil volume weight of the soil to be measured, a pneumatic impact device is required to be used for extracting a soil sample and is delivered to a special laboratory for detection, and the pneumatic impact device used for extracting the soil sample in the process can be called a sampling device for measuring the soil volume weight.
Among the prior art, chinese patent of utility model of bulletin number CN219757775U discloses a soil sampling mechanism, and the device includes the shallow, one side fixed mounting of shallow has the pushing handle, the upper surface fixed mounting of shallow has the collection box, the front of collecting the box is provided with the collection drawer, the front fixed mounting of collecting the drawer has the label box, the label groove has been seted up to the upper surface of label box, one side fixed mounting of collecting the box has the longmen frame. This pneumatic impact device constructs, through the cooperation setting of label groove and label box, place the label of different degree of depth in the label box through the label groove during the use to played the effect of classifying storage to the soil of different degree of depth, through placing the cooperation setting of board, fixing bolt and turning round, will place the board and place on turning round when using, and then fix through fixing bolt, thereby played the effect of dismantling the maintenance to this sampling device, make the device quick maintenance change of being convenient for.
However, the pneumatic impact device structure can only sample on the soil surface, if the deep soil needs to be sampled, the hole digging device needs to be additionally carried to dig holes on the soil surface, and after the soil sampling is completed, the soil sample needs to be manually taken out of the sampling mechanism and stored in the storage box, so that the defect of complicated deep soil sampling operation exists.
Disclosure of Invention
Aiming at the technical problem of complicated deep soil sampling operation in the prior art, the embodiment of the invention provides a sampling device for measuring the soil volume weight, which comprises: the device comprises a pneumatic impact device, a sampling head, a plurality of telescopic cavities, a packaging cavity, a plurality of telescopic plates and a soil digging module;
the sampling head is fixedly arranged at the bottom end of the pneumatic impact device, the pneumatic impact device comprises, but is not limited to, a power impact part of a pneumatic pile driver, compressed air is used as a power source, a piston is used for power output, and the sampling head is continuously impacted;
the packaging cavity is arranged in the sampling head, is exposed to the bottom surface of the sampling head and is used for accommodating a soil sample;
the plurality of telescopic cavities are arranged in the sampling head, are exposed to the bottom surface of the sampling head and are distributed around the circumference array of the packaging cavity;
The plurality of expansion plates are respectively arranged in the plurality of expansion cavities in a sliding manner, and after the plurality of expansion plates respectively extend out from the bottom ports of the plurality of expansion cavities, the plurality of expansion plates encircle to form a conical shell for sealing the bottom ports of the packaging cavities;
the soil digging module is arranged in the sampling head and connected with the plurality of expansion plates for controlling the expansion of the plurality of expansion plates.
Further, the soil penetrating module comprises: the driving straight gear comprises a first motor, a driving straight gear and a plurality of transmission components;
the first motor is fixedly arranged in the sampling head;
the driving spur gear is fixedly arranged at the execution end of the first motor;
the plurality of transmission components are arranged in the sampling head, are connected with the driving spur gear and are respectively connected with the plurality of expansion plates for controlling the expansion plates to extend or retract.
Further, the transmission assembly includes: the device comprises a transmission shaft, a driven straight gear, a first screw, a pair of bevel gears and a first internal thread sleeve;
the transmission shaft is rotatably arranged in the sampling head, and the tail end of the transmission shaft extends into the inner cavity of one of the telescopic cavities;
the driven straight gear is fixedly arranged at the head end of the transmission shaft, and is meshed with the driving straight gear and used for driving the transmission shaft to rotate;
The first screw is rotatably arranged in one of the telescopic cavities;
one of the bevel gears is fixedly arranged at the tail end of the transmission shaft, the other bevel gear is fixedly arranged on the first screw rod, and the pair of bevel gears are meshed with each other and used for driving the first screw rod and the transmission shaft to synchronously rotate;
the first internal thread sleeve is movably sleeved on the first screw rod, is in threaded connection with the first screw rod, and is fixedly connected with one of the expansion plates and used for driving the expansion plates to extend or retract.
Further, the method further comprises the following steps: the soil sealing module is arranged in the sampling head and used for storing the soil samples stored in the sealing cavity.
Further, the soil sealing module comprises: the device comprises a transmission cavity, a first assembly hole, a second motor, a second internal thread sleeve, a second screw rod, a sample storage tube, a first guide hole, a first guide rod and an assembly unit;
the transmission cavity is arranged in the sampling head and is positioned on the upper side of the packaging cavity;
the first assembly hole is formed in the top wall of the inner cavity of the packaging cavity, penetrates through the inner wall of the packaging cavity and is communicated with the inner cavity of the transmission cavity;
the second motor is fixedly arranged in the transmission cavity;
The second internal thread sleeve is movably arranged in the inner cavity of the transmission cavity, and the top end of the second internal thread sleeve is fixedly connected with the execution end of the second motor;
the second screw rod is movably inserted into the inner cavity of the second internal thread sleeve, and the bottom end of the second screw rod protrudes out of the bottom end surface of the second internal thread sleeve;
the sample storage tube is movably arranged in the packaging cavity, the tube orifice of the sample storage tube is exposed to the bottom surface of the sampling head, and the shape of the sample storage tube is matched with that of the packaging cavity and is used for storing soil samples;
the first guide hole is formed in the bottom of the sampling head;
the first guide rod is movably inserted into the first guide hole, and the bottom end of the first guide rod is fixedly connected with the sample storage tube and used for radially positioning the sample storage tube;
the assembly unit is connected with the second screw rod and the sample storage tube and is used for assembling the sample storage tube on the sampling head.
Further, the assembly unit includes: the device comprises a driving connecting rod, a plurality of first springs, a second assembly hole, an assembly block, a locking assembly and a plurality of packaging assemblies;
the driving connecting rod is movably arranged in the inner cavity of the sample storage tube;
the plurality of first springs are arranged between the driving connecting rod and the top wall of the inner cavity of the sample storage tube, and two ends of any one of the first springs are fixedly connected with the top wall of the inner cavity of the sample storage tube and the driving connecting rod respectively;
The second assembly hole is formed in the top of the sample storage tube, penetrates through the outer wall of the sample storage tube and is communicated with the inner cavity of the sample storage tube, and the position of the second assembly hole is matched with that of the first assembly hole;
the assembly block is movably arranged in the inner cavity of the first assembly hole, and the bottom of the assembly block penetrates through the second assembly hole to be fixedly connected with the driving connecting rod;
the locking component is connected with the assembly block and the bottom end of the second screw rod and is used for positioning the assembly block;
the plurality of encapsulation subassembly sets up on the sample storage tube, and a plurality of encapsulation subassembly links to each other with the drive connecting rod for with soil sample encapsulation in the inside of sample storage tube.
Further, the package assembly includes: the device comprises a storage groove, a first sliding groove, a containing groove, an inserting plate, a guide sliding block, a second spring, a second guide hole, a traction rope, an execution connecting rod and an execution protruding block;
the collecting groove is formed in the inner wall of the sample collecting tube, the collecting groove is located at the tube orifice of the sample collecting tube, and the notch of the collecting groove faces the central shaft of the sample collecting tube;
the first sliding groove is formed in the top wall of the inner cavity of the accommodating groove, and the guide of the first sliding groove points to the central shaft of the sample accommodating tube;
the accommodating groove is formed in the side wall of the inner cavity of the sample accommodating tube and is positioned on the upper side of the accommodating groove;
The inserting plates are arranged in the inner cavity of the accommodating groove in a sliding manner, and after the head ends of the inserting plates of the plurality of packaging assemblies extend out completely through the notch of the accommodating groove, the head ends of the inserting plates of the plurality of packaging assemblies are mutually abutted to be used for sealing the pipe orifice of the sample accommodating pipe;
the guide sliding block is fixedly arranged on the plugboard and is in sliding connection with the first sliding groove;
the second spring is arranged in the inner cavity of the accommodating groove, one end of the second spring is fixedly connected with the inner wall of the accommodating groove, and the other end of the second spring is fixedly connected with the tail end of the plugboard;
the second guide hole is formed in the inner cavity side wall of the sample storage tube, the head end port of the second guide hole is exposed on the inner cavity top wall surface of the accommodating groove, and the tail end port of the second guide hole is exposed on the inner cavity side wall surface of the first sliding groove;
the traction rope is movably arranged in the inner cavity of the second guide hole, the cross section shape of the traction rope is matched with that of the second guide hole, the head end of the traction rope stretches into the inner cavity of the accommodating groove, and the tail end of the traction rope is connected with the guide sliding block and used for pushing the inserting plate to retract into the inner cavity of the accommodating groove;
the execution connecting rod is vertically arranged in the inner cavity of the sample storage tube, and the top end of the execution connecting rod is fixedly connected with the tail end of the driving connecting rod;
The execution lug is fixedly arranged on the execution connecting rod, the execution lug is positioned in the inner cavity of the accommodating groove, the execution lug is connected with the head end of the traction rope, and the execution lug is in sliding connection with the accommodating groove.
Further, the execution connecting rod is tightly attached to the side wall of the inner cavity of the sample storage tube, and the width of the execution connecting rod is larger than the maximum caliber of the notch of the accommodating groove and is used for shielding the accommodating groove.
Further, the locking assembly includes: the telescopic hole, the telescopic rod, the push plate, the third spring, the positioning groove and the positioning mechanisms;
the assembly block is a hollow cylinder;
the telescopic hole is formed in the top of the assembly block, penetrates through the outer wall of the assembly block and is communicated with the inner cavity of the assembly block;
the top end of the telescopic rod is fixedly connected with the bottom end of the second screw rod, the bottom end of the telescopic rod penetrates through the telescopic hole and stretches into the inner cavity of the assembly block, the telescopic rod is a prism, and the cross section shape of the telescopic rod is matched with that of the telescopic hole;
the push plate is fixedly arranged at the bottom end of the telescopic rod and is positioned in the inner cavity of the assembly block;
the positioning groove is formed in the side wall of the inner cavity of the first assembly hole, is an annular groove and is the same as the central shaft of the first assembly hole;
the positioning mechanisms are arranged on the assembly blocks, and any one positioning mechanism is connected with the push plate and the positioning groove and used for axially positioning the assembly blocks.
Further, the positioning mechanism includes: the device comprises an assembly window, a first inclined plane, a positioning sliding block, a second inclined plane, a second sliding groove, a second guide rod, a second sliding block and a return spring;
the assembly window is arranged on the side wall of the assembly block, penetrates through the outer wall of the assembly block and is communicated with the inner cavity of the assembly block;
the first inclined surface is arranged at the top of the push plate, is positioned at the circumferential edge of the top surface of the push plate and is inclined towards the circumferential outer side of the push plate;
the positioning slide block is movably arranged in the assembly window, the head end of the positioning slide block is movably clamped with the positioning groove, and the tail end of the positioning slide block extends into the inner cavity of the assembly block and is used for axially positioning the assembly block;
the second inclined plane is arranged at the bottom of the positioning slide block, is positioned at the tail end of the positioning slide block, is abutted with the first inclined plane and is used for pushing the positioning slide block to extend towards the outer side of the assembly block;
the second sliding groove is formed in the top wall of the inner cavity of the assembly block, is arranged along the radial direction of the assembly block, and guides the second sliding groove to point to the central shaft of the assembly block;
the second guide rod is fixedly arranged in the inner cavity of the second chute, and the second guide rod is the same as the second chute in guide;
The second sliding block is arranged on the second guide rod in a sliding way, and is fixedly connected with the positioning sliding block and used for guiding the positioning sliding block;
the reset spring is sleeved on the second guide rod, one end of the reset spring is connected with the inner wall of the second chute, and the other end of the reset spring is connected with the second sliding block and used for driving the positioning sliding block to retract into the inner cavity of the assembly block.
The sampling device for measuring the soil volume weight provided by the embodiment of the invention has the following beneficial effects:
1. this device is through installing sample head, encapsulation chamber, a plurality of flexible chamber and a plurality of enclosing the expansion plate that is the taper additional in pneumatic impact device's bottom, can directly gather the soil in the different degree of depth soil layers, has solved among the prior art when needs gather deep soil, need carry the earth pit of digging out certain degree of depth at the earth's surface of digging a hole device, is gathering the defect that this process leads to deep soil sampling operation is loaded down with trivial details to the soil of earth pit bottom, has strengthened the convenience of use of this device.
2. According to the device, the soil sealing module is additionally arranged in the sampling head, the soil sample is automatically packaged in the sample storage tube in the deep soil collecting process, so that the automatic storage of the soil sample is realized, the doped soil of different depth soil layers in the soil sample is greatly reduced, the defect that the deep soil sampling operation is complicated in the process of manually driving the soil sample from the equipment and additionally storing the soil sample in the storage box after the soil sampling is completed in the prior art is overcome, and the use convenience of the device is further enhanced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
FIG. 1 is a perspective view of an embodiment in accordance with the present invention;
FIG. 2 is a schematic view of an assembly of a pneumatic impact device, a sampling head and a telescoping plate according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing an internal structure of a sampling head according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of the area A in FIG. 3;
FIG. 5 is a partially enlarged schematic illustration of region B of FIG. 3;
FIG. 6 is a partially enlarged schematic illustration of the region D in FIG. 3;
FIG. 7 is an enlarged partial schematic view of region C of FIG. 3;
fig. 8 is an enlarged partial schematic view of the area E in fig. 6.
The attached drawings are used for identifying and describing:
1-pneumatic impact device, 2-sampling head, 3-flexible chamber, 4-expansion plate.
Digging a soil module: 51-first motor, 52-driving spur gear, transmission assembly (531-transmission shaft, 532-driven spur gear, 533-first screw, 534-bevel gear, 535-first internally threaded sleeve).
Soil sealing module: the device comprises a transmission cavity, 62-first assembly holes, 63-second motors, 64-second internal threaded sleeves, 65-second screws, 66-sample storage tubes, 67-first guide rods, an assembly unit { 681-driving connecting rod, 682-first springs, 683-second assembly holes, 684-assembly blocks, an assembly component (6851-storage groove, 6852-first sliding grooves, 6853-storage grooves, 6854-plugboards, 6855-guiding sliding blocks, 6856-second springs, 6857-traction ropes, 6858-actuating connecting rods, 6859-actuating protruding blocks), a locking component [ 6861-telescopic rod, 6862-pushing plates, 6863-third springs, 6864-positioning grooves, a positioning mechanism (68651-assembly window, 68652-positioning sliding blocks, 68653-second sliding grooves, 68654-second guide rods, 68655-second sliding blocks, 68656-reset springs) ].
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings, which further illustrate the present invention.
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of the embodiments, read in conjunction with the accompanying drawings. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the invention, and furthermore, like reference numerals refer to like elements throughout the embodiments.
Firstly, a sampling device for measuring the soil volume weight according to an embodiment of the invention is described with reference to fig. 1 to 8, and is used for sampling and preserving soil, and has wide application scenarios.
As shown in fig. 1 to 3, a sampling device for measuring a soil volume weight according to an embodiment of the present invention includes: the pneumatic impact device comprises a pneumatic impact device 1, a sampling head 2, a plurality of telescopic cavities 3, a packaging cavity (not shown in the figure), a plurality of telescopic plates 4 and a soil digging module.
Specifically, as shown in fig. 1 to 3, a sampling head 2 is fixedly arranged at the bottom end of a pneumatic impact device 1; the packaging cavity is arranged in the sampling head 2, is exposed to the bottom surface of the sampling head 2 and is used for accommodating a soil sample; the plurality of telescopic cavities 3 are arranged in the sampling head 2, the plurality of telescopic cavities 3 are exposed to the bottom surface of the sampling head 2, and the plurality of telescopic cavities 3 are distributed around the circumferential array of the packaging cavity; the plurality of expansion plates 4 are respectively arranged in the plurality of expansion cavities 3 in a sliding manner, and after the plurality of expansion plates 4 respectively extend out from the bottom ports of the plurality of expansion cavities 3, the plurality of expansion plates 4 are encircled to form a conical shell for sealing the bottom ports of the packaging cavities; the soil digging module is arranged in the sampling head 2 and connected with the plurality of expansion plates 4 for controlling the expansion and contraction of the plurality of expansion plates 4.
Further, as shown in fig. 3, the soil penetrating module includes: the first motor 51, the driving spur gear 52 and a plurality of transmission components; the first motor 51 is fixedly arranged inside the sampling head 2; the driving spur gear 52 is fixedly arranged at the execution end of the first motor 51; the plurality of transmission components are arranged in the sampling head 2, are connected with the driving spur gear 52 and are respectively connected with the plurality of expansion plates 4 for controlling the expansion or retraction of the plurality of expansion plates 4.
Further, as shown in fig. 3 to 5, the transmission assembly includes: a drive shaft 531, a driven spur gear 532, a first screw 533, a pair of bevel gears 534, and a first female screw housing 535; the transmission shaft 531 is rotatably arranged in the sampling head 2, and the tail end of the transmission shaft 531 extends into the inner cavity of one of the telescopic cavities 3; the driven straight gear 532 is fixedly arranged at the head end of the transmission shaft 531, and the driven straight gear 532 is meshed with the driving straight gear 52 and is used for driving the transmission shaft 531 to rotate; the first screw 533 is rotatably disposed inside one of the expansion chambers 3; one of the bevel gears 534 is fixedly arranged at the tail end of the transmission shaft 531, the other bevel gear 534 is fixedly arranged on the first screw 533, and the pair of bevel gears 534 are meshed with each other and used for driving the first screw 533 and the transmission shaft 531 to synchronously rotate; the first internal thread sleeve 535 is movably sleeved on the first screw 533, the first internal thread sleeve 535 is in threaded connection with the first screw 533, and the first internal thread sleeve 535 is fixedly connected with one of the expansion plates 4 and is used for driving the expansion plate 4 to extend or retract.
Further, as shown in fig. 3, the method further comprises: the soil sealing module is arranged in the sampling head 2 and used for storing the soil samples stored in the sealing cavity.
Further, as shown in fig. 3 and 6, the soil sealing module includes: the transmission cavity 61, the first assembly hole 62, the second motor 63, the second internal thread bushing 64, the second screw 65, the sample receiving tube 66, the first guide hole (not shown), the first guide rod 67 and the assembly unit; the transmission cavity 61 is arranged in the sampling head 2, and the transmission cavity 61 is positioned on the upper side of the packaging cavity; the first assembly hole 62 is formed in the top wall of the inner cavity of the packaging cavity, and the first assembly hole 62 penetrates through the inner wall of the packaging cavity and is communicated with the inner cavity of the transmission cavity 61; the second motor 63 is fixedly arranged inside the transmission cavity 61; the second internal thread sleeve 64 is movably arranged in the inner cavity of the transmission cavity 61, and the top end of the second internal thread sleeve is fixedly connected with the execution end of the second motor 63; the second screw rod 65 is movably inserted into the inner cavity of the second internal thread sleeve 64, and the bottom end of the second screw rod 65 protrudes out of the bottom end surface of the second internal thread sleeve 64; the sample storage tube 66 is movably arranged in the packaging cavity, the tube orifice of the sample storage tube 66 is exposed to the bottom surface of the sampling head 2, and the sample storage tube 66 is matched with the shape of the packaging cavity and is used for storing soil samples; the first guide hole is formed in the bottom of the sampling head 2; the first guide rod 67 is movably inserted into the first guide hole, and the bottom end of the first guide rod 67 is fixedly connected with the sample storage tube 66 and is used for radially positioning the sample storage tube 66; the assembly unit connects the second screw 65 with the sample receiving tube 66 for assembling the sample receiving tube 66 on the sampling head 2.
Further, as shown in fig. 3 and 6, the fitting unit includes: the driving connecting rod 681, a plurality of first springs 682, a second assembly hole 683, an assembly block 684, a locking assembly and a plurality of packaging assemblies; the driving connecting rod 681 is movably arranged in the inner cavity of the sample storage tube 66; the plurality of first springs 682 are arranged between the driving connecting rod 681 and the top wall of the inner cavity of the sample receiving tube 66, and two ends of any one of the first springs 682 are fixedly connected with the top wall of the inner cavity of the sample receiving tube 66 and the driving connecting rod 681 respectively; the second assembly hole 683 is formed in the top of the sample storage tube 66, the second assembly hole 683 penetrates through the outer wall of the sample storage tube 66 to be communicated with the inner cavity of the sample storage tube 66, and the position of the second assembly hole 683 is matched with that of the first assembly hole 62; the assembly block 684 is movably arranged in the inner cavity of the first assembly hole 62, and the bottom of the assembly block 684 passes through the second assembly hole 683 to be fixedly connected with the driving connecting rod 681; the locking component is connected with the assembly block 684 and the bottom end of the second screw 65 and is used for positioning the assembly block 684; a plurality of packaging components are disposed on the sample receiving tube 66, and the plurality of packaging components are connected to the driving link 681 for packaging the soil sample inside the sample receiving tube 66.
Further, as shown in fig. 3, 6, and 7, the package assembly includes: a receiving groove 6851, a first sliding groove 6852, a receiving groove 6853, a plugboard 6854, a guide sliding block 6855, a second spring 6856, a second guide hole (not shown), a traction rope 6857, an execution connecting rod 6858 and an execution protruding block 6859; the accommodating groove 6851 is formed in the inner wall of the sample accommodating tube 66, the accommodating groove 6851 is positioned at the tube orifice of the sample accommodating tube 66, and the notch of the accommodating groove 6851 faces the central shaft of the sample accommodating tube 66; the first sliding groove 6852 is formed on the top wall of the inner cavity of the accommodating groove 6851, and the guiding direction of the first sliding groove 6852 points to the central shaft of the sample accommodating tube 66; the accommodating groove 6853 is formed on the side wall of the inner cavity of the sample accommodating tube 66, and the accommodating groove 6853 is positioned on the upper side of the accommodating groove 6851; the plugboards 6854 are slidably arranged in the inner cavity of the accommodating groove 6851, and after the head ends of the plugboards 6854 of the plurality of packaging components are completely extended out through the notch of the accommodating groove 6853, the head ends of the plugboards 6854 of the plurality of packaging components are mutually abutted to be used for sealing the pipe orifice of the sample accommodating pipe 66; the guide slide block 6855 is fixedly arranged on the plugboard 6854, and the guide slide block 6855 is in sliding connection with the first chute 6852; the second spring 6856 is arranged in the inner cavity of the accommodating groove 6851, one end of the second spring 6856 is fixedly connected with the inner wall of the accommodating groove 6851, and the other end of the second spring 6856 is fixedly connected with the tail end of the plugboard 6854; the second guiding hole is formed in the inner cavity side wall of the sample storage tube 66, the head end port of the second guiding hole is exposed on the inner cavity top wall surface of the accommodating groove 6853, and the tail end port of the second guiding hole is exposed on the inner cavity side wall surface of the first sliding groove 6852; the traction rope 6857 is movably arranged in the inner cavity of the second guide hole, the cross section shape of the traction rope 6857 is matched with that of the second guide hole, the head end of the traction rope 6857 stretches into the inner cavity of the accommodating groove 6853, the tail end of the traction rope 6857 is connected with the guide sliding block 6855 and is used for pushing the plugboard 6854 to retract into the inner cavity of the accommodating groove 6851, the traction rope 6857 comprises, but is not limited to, a metal rope or a metal chain which is high in material hardness and can bend in multiple directions at a large angle, and the length of the traction rope 6857 is not easy to change under the action of external force; the execution connecting rod 6858 is vertically arranged in the inner cavity of the sample storage tube 66, and the top end of the execution connecting rod 6858 is fixedly connected with the tail end of the driving connecting rod 681; the execution bump 6859 is fixedly arranged on the execution connecting rod 6858, the execution bump 6859 is positioned in the inner cavity of the accommodating groove 6853, the execution bump 6859 is connected with the head end of the traction rope 6857, and the execution bump 6859 is in sliding connection with the accommodating groove 6853.
Further, as shown in fig. 3 and 7, the execution link 6858 is tightly attached to the side wall of the inner cavity of the sample receiving tube 66, and the width of the execution link 6858 is larger than the maximum caliber of the notch of the receiving slot 6853, so as to cover the receiving slot 6853.
Further, as shown in fig. 3, 6, 8, the locking assembly comprises: a telescopic hole (not shown in the figure), a telescopic rod 6861, a push plate 6862, a third spring 6863, a positioning groove 6864 and a plurality of positioning mechanisms; the assembly block 684 is a hollow cylinder; the telescopic hole is formed in the top of the assembly block 684, penetrates through the outer wall of the assembly block 684 and is communicated with the inner cavity of the assembly block 684; the top end of the telescopic rod 6861 is fixedly connected with the bottom end of the second screw rod 65, the bottom end of the telescopic rod 6861 penetrates through the telescopic hole and stretches into the inner cavity of the assembly block 684, the telescopic rod 6861 is a prism, and the cross section shape of the telescopic rod 6861 is matched with that of the telescopic hole; the push plate 6862 is fixedly arranged at the bottom end of the telescopic rod 6861, and the push plate 6862 is positioned in the inner cavity of the assembly block 684; the positioning groove 6864 is formed on the inner cavity side wall of the first assembly hole 62, the positioning groove 6864 is an annular groove, and the positioning groove 6864 is the same as the central shaft of the first assembly hole 62; a plurality of positioning mechanisms are disposed on the assembly block 684, and any one of the positioning mechanisms connects the push plate 6862 with the positioning groove 6864 for axially positioning the assembly block 684.
Further, as shown in fig. 3, 6, 8, the positioning mechanism includes: the assembly window 68651, the first inclined surface, the positioning slide 68652, the second inclined surface, the second sliding chute 68653, the second guide rod 68654, the second slide 68655 and the return spring 68656; the assembly window 68651 is formed on the side wall of the assembly block 684, and the assembly window 68651 penetrates through the outer wall of the assembly block 684 and is communicated with the inner cavity of the assembly block 684; a first inclined surface is provided on the top of the push plate 6862 at the peripheral edge of the top surface of the push plate 6862, the first inclined surface being inclined toward the peripheral outside of the push plate 6862; the positioning slide block 68652 is movably arranged in the assembly window 68651, the head end of the positioning slide block 68652 is movably clamped with the positioning groove 6864, and the tail end of the positioning slide block 68652 extends into the inner cavity of the assembly block 684 and is used for axially positioning the assembly block 684; the second inclined plane is arranged at the bottom of the positioning slide block 68652, is positioned at the tail end of the positioning slide block 68652, is abutted with the first inclined plane and is used for pushing the positioning slide block 68652 to extend towards the outer side of the assembly block 684; the second sliding groove 68653 is formed in the top wall of the inner cavity of the assembly block 684, the second sliding groove 68653 is arranged along the radial direction of the assembly block 684, and the guide of the second sliding groove 68653 points to the central shaft of the assembly block 684; the second guide rod 68654 is fixedly arranged in the inner cavity of the second sliding groove 68653, and the second guide rod 68654 is the same as the second sliding groove 68653 in guide; the second slider 68655 is slidably disposed on the second guide rod 68654, and the second slider 68655 is fixedly connected to the positioning slider 68652, and is used for guiding the positioning slider 68652; the return spring 68656 is sleeved on the second guide rod 68654, one end of the return spring 68656 is connected with the inner wall of the second sliding groove 68653, and the other end of the return spring 68656 is connected with the second sliding block 68655 and used for driving the positioning sliding block 68652 to retract into the inner cavity of the assembly block 684.
Before the equipment runs, a plurality of expansion plates 4 extend out of the expansion cavity 3, a conical shell is formed around the bottom of the sampling head 2, the bottom port of the packaging cavity is closed, a user holds the pneumatic impact device 1 by hand, the device is vertical to the ground, and therefore the tip of the conical shell formed by the expansion plates 4 is opposite to the soil surface; when the device is operated, the pneumatic impact device 1 is operated, the sampling head 2 is continuously hammered, the sampling head 2 is drilled to the depth of soil under the impact of the pneumatic impact device 1, after the sampling head 2 reaches a preset depth, a user pulls out the device from the soil, a soil pit with a certain depth is formed in the soil, then the user controls the soil digging module to open the plurality of telescopic plates 4, the plurality of telescopic plates 4 are respectively retracted into the plurality of telescopic cavities 3, the sample storage tube 66 is filled into the sealing cavity, then the user places the device which is assembled with the sample storage tube 66 and the plurality of telescopic plates 4 in an open state into the soil pit again, and in the process, the user ensures that the tube mouth of the sample storage tube 66 faces the bottom of the soil pit. The user starts pneumatic impact device 1 again, sampling head 2 continues to bore into the soil depths a distance under pneumatic impact device 1's impact, make the partial soil that is located the soil pit bottom gush into the inner chamber of sample storage tube 66 through the mouth of pipe of sample storage tube 66, after sample storage tube 66 obtains soil, the user controls the soil and seals up the module and makes picture peg 6854 stretch out in storage groove 6851, encapsulate soil in the inner chamber of sample storage tube 66, finally, the user pulls out this device from the soil pit, take off sample storage tube 66, can accomplish the collection and the save of soil sample, if the user needs to gather the soil sample of a plurality of different positions or different degree of depth, the user can accomplish the collection and the save of the soil sample of a plurality of different positions or different degree of depth through a plurality of sample storage tubes 66 of this device collocation use, through the sample storage tube 66 that renew.
The working principle of the digging module is as follows: the first motor 51 drives the driving spur gear 52 to rotate, the driving spur gear 52 drives the transmission shaft 531 to rotate by being meshed with the driven spur gear 532, the transmission shaft 531 drives the first screw rod 533 to rotate by being meshed with the pair of bevel gears 534, the first screw rod 533 makes the first internal thread sleeve 535 axially displace along the first screw rod 533 through being matched with the threads of the first internal thread sleeve 535 in the rotating process, and the first internal thread sleeve 535 drives the expansion plate 4 to synchronously displace in the displacing process, so that the expansion plate 4 is driven to extend out of the expansion cavity 3 or retract into the expansion cavity 3.
The working principle of the soil sealing module is as follows: in the process that a user loads the sample storage tube 66 into the packaging cavity, the user inserts the top end of the second screw rod 65 into the bottom port of the second internal thread sleeve 64, the top end of the first guide rod 67 is inserted into the port of the first guide hole, then the second motor 63 drives the second internal thread sleeve 64 to rotate, the second internal thread sleeve 64 drives the sample storage tube 66 to retract into the interior of the packaging cavity through being in threaded fit with the second screw rod 65, after the top of the sample storage tube 66 is abutted with the top wall of the inner cavity of the packaging cavity, the second motor 63 further drives the second internal thread sleeve 64 to rotate, the distance between the driving connecting rod 681 and the top wall of the inner cavity of the sample storage tube 66 is reduced, the first spring 682 is compressed, the driving connecting rod 6818 drives the execution connecting rod 6858 to move towards the top wall of the inner cavity of the sample storage tube 66, the execution lug 6853 slides to the top wall of the inner cavity of the storage groove 6853 until the execution connecting rod 6855 abuts with the top wall of the inner cavity of the storage groove 6853, in the process that the end of the execution lug 6857 pushes the execution connecting rod 6855 to slide along the guide rope 6855, and the end 6855 slides along the guide rope 6855 in the guide groove 6855, and the sliding direction 6855 is realized in the guide groove 6855; after the plugboard 6854 is completely retracted into the inner cavity of the accommodating groove 6851, the second motor 63 drives the second internal thread sleeve 64 to further rotate, the second internal thread sleeve 64 drives the second screw 65 to move towards the inner cavity depth of the second internal thread sleeve 64 through threaded fit with the second screw 65, in the process that the second screw 65 moves towards the inner cavity depth of the second internal thread sleeve 64, the second screw 65 drives the telescopic rod 6861 to synchronously move, the telescopic rod 6861 drives the push plate 6862 to move towards the inner cavity top wall of the accommodating block 684 for a certain distance, in the process, the third spring 6863 is compressed, and a first inclined plane arranged on the push plate 6862 and a second inclined plane arranged on the positioning slide block 68652 relatively slide, so that the second slide block 68655 is pushed out of the inner cavity of the accommodating block 684 from the accommodating window 68651, and the head end of the positioning slide block 68652 is clamped with the positioning groove 6864, so that the axial position of the sample accommodating tube 66 is locked; after the soil is poured into the inner cavity of the sample storage tube 66, a user drives the second internal thread sleeve 64 to turn over a certain angle by controlling the second motor 63, the second internal thread tube drives the second screw 65, the telescopic rod 6861, the assembly block 684, the driving connecting rod 681, the execution connecting rod 6858 and the execution protruding block 6859 to synchronously displace downwards for a certain distance through threaded fit with the second screw 65, in the process, the execution protruding block 6859 pulls the traction rope 6857, the tail end of the traction rope 6857 pulls the guide sliding block 6855, the guide sliding block 6855 drives the inserting plate 6854 to extend out of the inner cavity of the storage groove 6851, and the inserting plate 6854 of the plurality of packaging components seals the soil poured into the inner cavity of the sample storage tube 66 in the sample storage tube 66 under the action of the tension of the traction rope 6857 and the elasticity of the second spring 6856.
The above describes the sampling device for measuring the soil volume weight according to the embodiment of the invention with reference to fig. 1 to 8, and has the following beneficial effects:
1. this device is through installing sample head, encapsulation chamber, a plurality of flexible chamber and a plurality of enclosing the expansion plate that is the taper additional in pneumatic impact device's bottom, can directly gather the soil in the different degree of depth soil layers, has solved among the prior art when needs gather deep soil, need carry the earth pit of digging out certain degree of depth at the earth's surface of digging a hole device, is gathering the loaded down with trivial details defect of deep soil sample that this process leads to the soil of earth pit bottom, has strengthened the convenience of use of this device.
2. This device is through installing soil encapsulation module additional in the inside of sampling head, at the inside at the in-process to deep soil collection with soil sample encapsulation at the sample storage tube, realized the automatic storage of soil sample, reduced the soil of doped different degree of depth soil layers in the soil sample in a large number, solved the back of soil sample completion that exists among the prior art, need manual follow equipment in with soil sample drive and with its deep soil sample loaded down with trivial details defect that leads to in this process of receiver of storing separately, further strengthened the use convenience of this device.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (6)
1. A sampling device for measuring a soil volume weight, comprising: the device comprises a pneumatic impact device, a sampling head, a plurality of telescopic cavities, a packaging cavity, a plurality of telescopic plates, a soil digging module and a soil sealing module;
The sampling head is fixedly arranged at the bottom end of the pneumatic impact device;
the packaging cavity is arranged in the sampling head and exposed to the bottom surface of the sampling head for accommodating a soil sample;
the plurality of telescopic cavities are arranged in the sampling head, are exposed to the bottom surface of the sampling head, and are distributed around the circumference array of the packaging cavity;
the plurality of expansion plates are respectively arranged in the plurality of expansion cavities in a sliding manner, and after the plurality of expansion plates respectively extend out from the bottom ports of the plurality of expansion cavities, the plurality of expansion plates encircle to form a conical shell for sealing the bottom ports of the packaging cavities;
the soil digging module is arranged in the sampling head and connected with the plurality of expansion plates and used for controlling the expansion of the plurality of expansion plates;
the soil sealing module is arranged in the sampling head and used for storing the soil samples stored in the sealing cavity;
the soil digging module comprises: the driving straight gear comprises a first motor, a driving straight gear and a plurality of transmission components;
The first motor is fixedly arranged in the sampling head;
the driving spur gear is fixedly arranged at the execution end of the first motor;
the plurality of transmission components are arranged in the sampling head, are connected with the driving spur gear and are respectively connected with the plurality of expansion plates and used for controlling the expansion or retraction of the plurality of expansion plates;
the transmission assembly comprises: the device comprises a transmission shaft, a driven straight gear, a first screw, a pair of bevel gears and a first internal thread sleeve;
the transmission shaft is rotatably arranged in the sampling head, and the tail end of the transmission shaft extends into the inner cavity of one of the telescopic cavities;
the driven straight gear is fixedly arranged at the head end of the transmission shaft, and is meshed with the driving straight gear and used for driving the transmission shaft to rotate;
the first screw is rotatably arranged in one of the telescopic cavities;
one of the bevel gears is fixedly arranged at the tail end of the transmission shaft, the other bevel gear is fixedly arranged on the first screw rod, and the pair of bevel gears are meshed with each other and used for driving the first screw rod and the transmission shaft to synchronously rotate;
The first internal thread sleeve is movably sleeved on the first screw rod, is in threaded connection with the first screw rod, is fixedly connected with one of the expansion plates and is used for driving the expansion plate to extend or retract;
the soil sealing module comprises: the device comprises a transmission cavity, a first assembly hole, a second motor, a second internal thread sleeve, a second screw rod, a sample storage tube, a first guide hole, a first guide rod and an assembly unit;
the transmission cavity is arranged in the sampling head and is positioned on the upper side of the packaging cavity;
the first assembly Kong Kaishe is arranged on the top wall of the inner cavity of the packaging cavity, and the first assembly hole penetrates through the inner wall of the packaging cavity and is communicated with the inner cavity of the transmission cavity;
the second motor is fixedly arranged in the transmission cavity;
the second internal thread sleeve is movably arranged in the inner cavity of the transmission cavity, and the top end of the second internal thread sleeve is fixedly connected with the execution end of the second motor;
the second screw rod is movably inserted into the inner cavity of the second internal thread sleeve, and the bottom end of the second screw rod protrudes out of the bottom end surface of the second internal thread sleeve;
The sample storage tube is movably arranged in the packaging cavity, a tube orifice of the sample storage tube is exposed to the bottom surface of the sampling head, and the sample storage tube is matched with the shape of the packaging cavity and is used for storing the soil sample;
the first guide Kong Kaishe is at the bottom of the sampling head;
the first guide rod is movably inserted into the first guide hole, and the bottom end of the first guide rod is fixedly connected with the sample storage tube and used for radially positioning the sample storage tube;
the assembly unit is connected with the second screw rod and the sample storage tube and is used for assembling the sample storage tube on the sampling head.
2. The sampling device for measuring a soil volume weight according to claim 1, wherein the assembly unit comprises: the device comprises a driving connecting rod, a plurality of first springs, a second assembly hole, an assembly block, a locking assembly and a plurality of packaging assemblies;
the driving connecting rod is movably arranged in the inner cavity of the sample storage tube;
the plurality of first springs are arranged between the driving connecting rod and the top wall of the inner cavity of the sample storage tube, and two ends of any one of the first springs are fixedly connected with the top wall of the inner cavity of the sample storage tube and the driving connecting rod respectively;
The second assembly Kong Kaishe is arranged at the top of the sample storage tube, the second assembly hole penetrates through the outer wall of the sample storage tube and is communicated with the inner cavity of the sample storage tube, and the second assembly hole is matched with the first assembly hole in position;
the assembly block is movably arranged in the inner cavity of the first assembly hole, and the bottom of the assembly block penetrates through the second assembly hole to be fixedly connected with the driving connecting rod;
the locking component is connected with the assembly block and the bottom end of the second screw rod and is used for positioning the assembly block;
the plurality of packaging components are arranged on the sample storage tube and connected with the driving connecting rod, and are used for packaging the soil sample in the sample storage tube.
3. The soil volumetric weight measurement sampling device of claim 2, wherein the packaging assembly comprises: the device comprises a storage groove, a first sliding groove, a containing groove, an inserting plate, a guide sliding block, a second spring, a second guide hole, a traction rope, an execution connecting rod and an execution protruding block;
the accommodating groove is formed in the inner wall of the sample accommodating tube, the accommodating groove is positioned at the tube orifice of the sample accommodating tube, and the notch of the accommodating groove faces the central shaft of the sample accommodating tube;
The first sliding groove is formed in the top wall of the inner cavity of the storage groove, and the guide of the first sliding groove points to the central shaft of the sample storage tube;
the accommodating groove is formed in the side wall of the inner cavity of the sample accommodating tube, and is positioned on the upper side of the accommodating groove;
the inserting plates are arranged in the inner cavity of the accommodating groove in a sliding manner, and after the head ends of the inserting plates of the plurality of packaging components extend out completely through the notch of the accommodating groove, the head ends of the inserting plates of the plurality of packaging components are mutually abutted and used for sealing the pipe orifice of the sample accommodating pipe;
the guide sliding block is fixedly arranged on the plugboard and is in sliding connection with the first sliding groove;
the second spring is arranged in the inner cavity of the accommodating groove, one end of the second spring is fixedly connected with the inner wall of the accommodating groove, and the other end of the second spring is fixedly connected with the tail end of the plugboard;
the second guide Kong Kaishe is arranged inside the inner cavity side wall of the sample storage tube, the head end port of the second guide hole is exposed on the inner cavity top wall surface of the accommodating groove, and the tail end port of the second guide hole is exposed on the inner cavity side wall surface of the first sliding groove;
The traction rope is movably arranged in the inner cavity of the second guide hole, the cross-sectional shape of the traction rope is matched with that of the second guide hole, the head end of the traction rope stretches into the inner cavity of the accommodating groove, and the tail end of the traction rope is connected with the guide sliding block and used for pushing the inserting plate to retract into the inner cavity of the accommodating groove;
the execution connecting rod is vertically arranged in the inner cavity of the sample storage tube, and the top end of the execution connecting rod is fixedly connected with the tail end of the driving connecting rod;
the execution protruding block is fixedly arranged on the execution connecting rod, the execution protruding block is positioned in the inner cavity of the accommodating groove, the execution protruding block is connected with the head end of the traction rope, and the execution protruding block is in sliding connection with the accommodating groove.
4. The sampling device for measuring a soil volume weight according to claim 3, wherein the actuating link is closely attached to a side wall of the inner cavity of the sample receiving tube, and a width of the actuating link is larger than a maximum caliber of a notch of the receiving groove, so as to shield the receiving groove.
5. The soil volumetric weight measurement sampling device of claim 2, wherein the locking assembly comprises: the telescopic hole, the telescopic rod, the push plate, the third spring, the positioning groove and the positioning mechanisms;
The assembly block is a hollow cylinder;
the expansion Kong Kaishe is arranged at the top of the assembly block, and the expansion hole penetrates through the outer wall of the assembly block and is communicated with the inner cavity of the assembly block;
the top end of the telescopic rod is fixedly connected with the bottom end of the second screw rod, the bottom end of the telescopic rod penetrates through the telescopic hole and stretches into the inner cavity of the assembly block, the telescopic rod is a prism, and the cross section shape of the telescopic rod is matched with that of the telescopic hole;
the push plate is fixedly arranged at the bottom end of the telescopic rod, and is positioned in the inner cavity of the assembly block;
the positioning groove is formed in the side wall of the inner cavity of the first assembly hole, is an annular groove and is the same as the central shaft of the first assembly hole;
the positioning mechanisms are arranged on the assembly blocks, and any one of the positioning mechanisms is connected with the push plate and the positioning groove and used for axially positioning the assembly blocks.
6. The sampling device for measuring a soil volume weight according to claim 5, wherein the positioning mechanism comprises: the device comprises an assembly window, a first inclined plane, a positioning sliding block, a second inclined plane, a second sliding groove, a second guide rod, a second sliding block and a return spring;
The assembly window is arranged on the side wall of the assembly block, penetrates through the outer wall of the assembly block and is communicated with the inner cavity of the assembly block;
the first inclined surface is arranged at the top of the push plate, is positioned at the circumferential edge of the top surface of the push plate and is inclined towards the circumferential outer side of the push plate;
the positioning slide block is movably arranged in the assembly window, the head end of the positioning slide block is movably clamped with the positioning groove, and the tail end of the positioning slide block extends into the inner cavity of the assembly block and is used for axially positioning the assembly block;
the second inclined plane is arranged at the bottom of the positioning slide block, is positioned at the tail end of the positioning slide block, is abutted with the first inclined plane and is used for pushing the positioning slide block to extend towards the outer side of the assembly block;
the second sliding groove is formed in the top wall of the inner cavity of the assembly block, the second sliding groove is arranged along the radial direction of the assembly block, and the guide of the second sliding groove points to the central shaft of the assembly block;
the second guide rod is fixedly arranged in the inner cavity of the second chute, and the second guide rod and the second chute are the same in guide;
The second sliding block is arranged on the second guide rod in a sliding way, and is fixedly connected with the positioning sliding block and used for guiding the positioning sliding block;
the reset spring is sleeved on the second guide rod, one end of the reset spring is connected with the inner wall of the second sliding groove, and the other end of the reset spring is connected with the second sliding block and used for driving the positioning sliding block to retract into the inner cavity of the assembly block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311748350.1A CN117419956A (en) | 2023-12-19 | 2023-12-19 | Sampling device for measuring soil volume weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311748350.1A CN117419956A (en) | 2023-12-19 | 2023-12-19 | Sampling device for measuring soil volume weight |
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| Publication Number | Publication Date |
|---|---|
| CN117419956A true CN117419956A (en) | 2024-01-19 |
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ID=89525200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311748350.1A Withdrawn CN117419956A (en) | 2023-12-19 | 2023-12-19 | Sampling device for measuring soil volume weight |
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| Country | Link |
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| CN (1) | CN117419956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606849A (en) * | 2024-01-22 | 2024-02-27 | 黑龙江省林业科学院伊春分院 | Wetland soil collection system |
-
2023
- 2023-12-19 CN CN202311748350.1A patent/CN117419956A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606849A (en) * | 2024-01-22 | 2024-02-27 | 黑龙江省林业科学院伊春分院 | Wetland soil collection system |
| CN117606849B (en) * | 2024-01-22 | 2024-05-07 | 黑龙江省林业科学院伊春分院 | Wetland soil collection system |
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