CN117571375B - Sample collection device for environment detection - Google Patents
Sample collection device for environment detection Download PDFInfo
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- CN117571375B CN117571375B CN202410053175.2A CN202410053175A CN117571375B CN 117571375 B CN117571375 B CN 117571375B CN 202410053175 A CN202410053175 A CN 202410053175A CN 117571375 B CN117571375 B CN 117571375B
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 173
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000005527 soil sampling Methods 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims description 29
- 238000005553 drilling Methods 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of environment detection, in particular to a sample collection device for environment detection, which solves the defects existing in the prior art and comprises a movable vehicle body, a positioning mechanism, a transmission assembly and a sampling mechanism, wherein a console with a PLC (programmable logic controller) is arranged on the movable vehicle body, a connecting side frame connected into a whole is arranged on one side of the movable vehicle body, the movable assembly is arranged at the bottoms of the movable vehicle body and the connecting side frame, a fixing frame is further arranged on the movable vehicle body, the positioning mechanism comprises a lifting plate and positioning piles, the lifting plate slides between the inner walls of the movable vehicle body along the vertical direction, and four positioning piles are connected to the outer part of the lifting plate. Compared with the prior art, the invention not only can realize the soil sampling work on different depths and different horizontal positions, but also can automatically switch the sampling mechanism and the positioning mechanism to adjust and control, thereby effectively improving the automation degree of the device.
Description
Technical Field
The invention relates to the technical field of environment detection, in particular to a sample collection device for environment detection.
Background
The urban process of China is continuously accelerated, a lot of urban construction is carried out on the premise of improving economic benefits, and the environment is gradually valued for the economic benefits when urban construction improvement is carried out. The environment detection can improve the objective information of the environment condition, and the change condition of the environment elements such as the atmosphere, the water quality, the soil, the noise and the like can be accurately known by measuring the corresponding indexes, and the corresponding environment protection measures can be formulated in a targeted manner only by knowing the real condition of the environment. The concentration of the air pollutants can be known in time through atmospheric detection, so that control measures are taken in time, and the pollution is prevented from damaging the human health; the pollution degree of the water body can be timely solved through water quality detection, so that a corresponding treatment scheme is formulated, and water resources are protected.
The chinese patent publication No. CN113776881B discloses a sampling device for detecting soil in agricultural environment, which completes sampling operation by adopting a sampling cup column, and according to the scheme, the fixing of the sampling device is realized only by four supporting components at the bottom of the frame, however, during sampling, unstable problems of the device are easily caused due to vibration generated by continuous operation of equipment such as a motor, thereby affecting subsequent sampling operation, and the sampling mode in the device is complex and is only suitable for sampling operations at different depths.
The chinese patent publication No. CN113125199a discloses a soil sampling device for soil remediation, which can realize sampling in two directions, but the device respectively completes sampling in two directions through a vertical sampling device and a horizontal sampling device, and cannot realize sampling in two directions through a single sampling device.
Accordingly, there is a need for a sample collection device for environmental detection that addresses the above-identified problems.
Disclosure of Invention
The present invention is directed to a sample collection device for environmental detection, which solves the above-mentioned problems.
In order to solve the technical problems, the invention provides the following technical scheme:
the sample collection device for environment detection comprises a mobile vehicle body, a positioning mechanism, a transmission assembly and a sampling mechanism, wherein a console with a PLC (programmable logic controller) is arranged on the mobile vehicle body, a connecting side frame connected into a whole is arranged on one side of the mobile vehicle body, the mobile assembly is arranged at the bottoms of the mobile vehicle body and the connecting side frame, and a fixing frame is also arranged on the mobile vehicle body;
The positioning mechanism comprises a lifting plate and positioning piles, wherein the lifting plate slides between the inner walls of the movable vehicle body along the vertical direction, four positioning piles are connected to the outside of the lifting plate, the positioning piles slide along the outer walls of the movable vehicle body, and the bottom ends of the positioning piles are arranged in a pointed structure;
the transmission assembly comprises a worm wheel I, a transmission part I, a worm wheel II, a transmission part II and an adjusting part, wherein the transmission part I comprises a screw rod I, a rotating shaft I and a synchronizing wheel I, the worm wheel I is arranged on the rotating shaft I, one end of the screw rod I is connected with the fixing frame, the other end of the screw rod I is connected with the rotating shaft I, the rotating shaft I and the synchronizing wheel I are integrated, the transmission part II comprises a rotating shaft II, a synchronizing wheel II and a screw rod II, the rotating shaft II is integrated with the synchronizing wheel II, the screw rod II is vertically arranged in the mobile vehicle body, the top end of the screw rod II is connected with the synchronizing wheel II, the screw rod II penetrates through the lifting plate and is in threaded transmission fit with the lifting plate, a synchronizing track with a transmission ratio of 1:1 is arranged between the synchronizing wheel I and the synchronizing wheel II, and the adjusting part comprises a worm, and the worm rotates and reciprocates between the worm wheel I and the worm wheel II at 90 degrees;
the worm can be meshed with the first worm wheel for transmission when the worm is in a horizontal state, so that lifting adjustment of the sampling mechanism can be controlled, and can be meshed with the second worm wheel for transmission when the worm is in a vertical state, so that lifting adjustment of the positioning mechanism can be controlled;
The top of the sampling mechanism is provided with a toothed ring, one side of the toothed ring is provided with a second gear in a meshed manner, an adjusting plate is slidably arranged along the vertical side wall of the fixing frame, a screw rod penetrates through the adjusting plate and is in threaded transmission fit with the adjusting plate, the second gear is arranged at the bottom of the adjusting plate, the sampling mechanism and the adjusting plate are rotatably arranged through shaft connection, and soil sampling work can be completed through the sampling mechanism;
the sampling mechanism comprises a hollow drill pipe, a drilling part and a sampling tube;
the top of the hollow drill pipe is connected with the toothed ring into a whole, the drilling part is connected with the bottom of the hollow drill pipe into a whole, the drilling part is arranged in a conical structure, a lateral sampling hole is formed in the side wall of the hollow drill pipe, and a shielding cover is arranged in the lateral sampling hole in a sliding manner along the vertical direction of the hollow drill pipe;
the middle of the drilling part is provided with a vertical downward vertical sampling hole, two closed covers are movably arranged in the vertical sampling hole, when the two closed covers are closed, the vertical sampling hole is in a sealing state, otherwise, the vertical sampling hole is in an opening state, and the sampling tube is matched with the vertical sampling hole and the transverse sampling hole;
a fixed seat is arranged on the inner wall of the hollow drill pipe, a gear I and a rotary disk which are meshed and driven are arranged on the side wall of the fixed seat, a plurality of tooth sockets matched with the gear I are formed on the rotary disk, the rotary disk is rotationally arranged on the side wall of the fixed seat, a sampling tube is arranged on one side of the rotary disk and can be moved and adjusted along the linear direction, a bottom cover is arranged on the bottom wall of the sampling tube, four identical opening and closing covers are movably arranged in the middle of the bottom cover, and the opening and closing covers are arranged in a triangular structure;
The center of the transverse sampling hole, the center of the vertical sampling hole and the rotation center of the rotary disk are all located in the same vertical plane, and the connecting line between the center of the transverse sampling hole and the rotation center of the rotary disk is perpendicular to the connecting line between the center of the vertical sampling hole and the rotation center of the rotary disk;
when the sampling tube is adjusted to the position of vertically facing the vertical sampling hole, the sampling tube is moved downwards, so that the sampling tube can perform sampling work in the vertical direction after passing through the vertical sampling hole, and when the sampling tube is adjusted to the position of horizontally facing the horizontal sampling hole, the sampling tube is moved horizontally, so that the sampling tube can perform sampling work in the horizontal direction after passing through the horizontal sampling hole.
In one embodiment, the moving assembly comprises a wheel frame and a roller, the wheel frame is in a U-shaped structure, the bottoms of the moving vehicle body and the connecting side frame are respectively provided with a bottom groove in an open mode, the wheel frame is movably arranged in the bottom groove, a motor I connected with the wheel frame for driving is arranged above the wheel frame, and the roller is connected and arranged between the side walls of the wheel frame through a shaft;
when the top surface of the wheel frame is in contact with the top surface of the bottom groove, the roller is located at the highest position, at the moment, the bottom ends of the movable vehicle body and the connecting side frames can be in contact with the ground, when the top surface of the wheel frame and the bottom surface of the movable vehicle body are located on the same horizontal plane, the roller is located at the lowest position, the output distance of the motor I is the farthest, and the roller can move and advance along the ground.
In one embodiment, the top of the first screw rod is connected with a T-shaped shaft I which is integrally arranged, the T-shaped shaft I is iron, a fixed limit seat I is embedded on the surface of the fixing frame facing the first screw rod, the limit seat I is an electromagnet, a power supply I connected with the limit seat I through a wire is arranged on the side wall of one side of the fixing frame, the power supply I is connected with the PLC through an electric signal, and the top of the T-shaped shaft I is arranged between the inner walls of the limit seat I and is not separated all the time;
install the second power on the inner wall of axis of rotation one, set up through electrical signal connection between second power and the PLC controller, be connected with integrative T type axle two on the roof of axis of rotation one, T type axle two is the electro-magnet, has seted up spread groove one in the bottom of screw rod one, and fixedly inlayed the connecting bearing of iron between the inner wall of spread groove one, T type axle two and connecting bearing looks adaptation and its rotation between the inner wall of connecting bearing.
In one embodiment, when the second power supply is electrified and the first power supply is not electrified, the top of the first T-shaped shaft is rotatably arranged between the inner walls of the first limit seat, and suction is generated between the second T-shaped shaft and the connecting bearing to connect the second T-shaped shaft and the connecting bearing into a whole, namely, the first screw rod, the first rotating shaft and the first synchronous wheel are connected into a whole at the moment;
When the power supply II is not electrified to the T-shaped shaft II and the power supply I is electrified to the limit seat I, the T-shaped shaft I and the limit seat I are connected into a whole through suction, namely the screw rod I is indirectly connected with the limit seat I into a whole under the action of the T-shaped shaft I, the suction between the T-shaped shaft II and the connecting groove I disappears at the moment, the rotating shaft I and the screw rod I are not connected into a whole, and the state is not synchronized.
In one embodiment, a third power supply is arranged on the inner wall of the second synchronous wheel, the third power supply is connected with the PLC through an electric signal, a second fixed limiting seat is arranged between the inner wall of the second synchronous wheel, the second limiting seat is an electromagnet, and the third power supply is connected with the second limiting seat through a wire;
the bottom end of the second rotating shaft is connected with the second synchronizing wheel into a whole, an integrated connecting ring is arranged on the outer wall of the top end of the second screw rod, the connecting ring is made of iron and is arranged in the second limiting seat and is matched with the second limiting seat, and an I-shaped connecting piece is further arranged between the bottom wall of the second rotating shaft and the top wall of the second screw rod in a rotating mode;
when the power supply three pairs of limiting seats II are electrified, suction is generated between the connecting ring and the limiting seats II, so that the screw rod II and the synchronous wheel II are connected into a whole, and conversely, when the power supply three pairs of limiting seats II are not electrified, the connecting ring is rotationally connected with the limiting seats II, and the movement of the synchronous wheel II and the screw rod II are not affected.
In one embodiment, the adjusting part further comprises an adjusting frame, the adjusting frame is in a U-shaped structure, one side of the adjusting frame is connected with a motor III for driving the adjusting frame to rotate, a motor IV is further arranged on the side wall of the adjusting frame, a worm is arranged between the side walls of the adjusting frame, and an output shaft of the motor IV is connected with the worm and drives the worm to rotate;
wherein the rotation angle of the adjusting frame is 90 degrees each time;
when the worm is meshed with the first worm wheel, the worm is in a horizontal state, the first screw, the first rotating shaft and the first synchronizing wheel are integrated and synchronously move, the first screw controls the adjusting plate to be lifted and adjusted in the vertical direction, the movement states of the second screw and the second synchronizing wheel are not influenced, and the second synchronizing wheel drives the second worm wheel to synchronously rotate along with the synchronizing wheel;
when the worm is meshed with the worm wheel II, the worm is in a vertical state, the rotating shaft II, the synchronizing wheel II and the screw rod II are connected into a whole and synchronously move, the screw rod II controls the lifting plate to lift and adjust in the vertical direction, the screw rod I and the limiting seat I are connected into a whole, the respective movement states of the screw rod I and the rotating shaft I are not influenced, and the synchronizing wheel drives the worm wheel I to synchronously rotate and adjust along with the synchronizing wheel II.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through arranging the structures of the first worm wheel, the first transmission part, the second worm wheel, the second transmission part, the worm, the synchronous crawler and the like, the driving of the first worm wheel and the second worm wheel is respectively controlled by 90-degree reciprocating rotation of the worm, so that when the worm is meshed with the first worm wheel, the lifting adjustment process of the sampling mechanism can be controlled, when the worm is meshed with the second worm wheel, the lifting adjustment process of the positioning mechanism can be controlled, in the process of switching the meshing objects of the worm, the synchronous crawler with the transmission ratio of 1:1 is matched with the first synchronous wheel and the second synchronous wheel, the synchronous adjustment rotation of the first worm wheel or the second worm wheel along with the rotation of one worm wheel in the process of adjusting the rotation of the other worm wheel can be realized, the movement state of the first worm or the second worm wheel is not influenced, and the problem that the meshing angle of the first worm wheel or the second worm wheel is not matched after the worm angle is adjusted can be avoided.
2. According to the invention, through arranging the structures such as the hollow drill pipe, the drilling part and the sampling tube, the angle position of the sampling tube is adjusted, so that the sampling tube can vertically downwards sample soil with different depths, and can sample soil with different horizontal positions at a certain depth, and the sampling work in the vertical and horizontal directions is not required to be completed through different structures.
In summary, the soil sampling device not only can realize soil sampling work at different depths and different horizontal positions, but also can automatically switch the sampling mechanism and the positioning mechanism to adjust and control, thereby effectively improving the automation degree of the device.
Drawings
Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the front view of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is an overall schematic of the sampling mechanism of the present invention;
FIG. 5 is a schematic view of the drilling section structure of the present invention;
FIG. 6 is a schematic diagram showing the connection of the sampling tube, the fixed seat, the first gear and the rotating disk according to the present invention;
FIG. 7 is a schematic view of the installation of the slider and screw three of the present invention;
FIG. 8 is a schematic view of the installation of the bottom cover of the present invention;
FIG. 9 is a schematic diagram of the connection of the lifting plate, the second transmission member and the positioning pile of the present invention;
FIG. 10 is a schematic view of the state of the drive assembly of the present invention when the sampling mechanism is being adjusted in elevation;
FIG. 11 is a schematic view of the state of the transmission assembly when the positioning mechanism is adjusted in a lifting manner;
FIG. 12 is a schematic illustration of the connection between a first driving member and a second driving member according to the present invention;
FIG. 13 is an enlarged schematic view of the portion A of FIG. 12;
fig. 14 is an enlarged schematic view of the portion B in fig. 12.
In the figure: 1. moving the vehicle body; 11. a PLC controller; 12. a first motor; 13. a moving assembly; 131. a wheel carrier; 132. a roller; 14. a fixed frame; 15. a fixing frame; 151. a first power supply; 152. a first limiting seat; 153. a fixing strip; 16. a lifting plate; 161. positioning piles; 17. a bottom plate; 2. a connecting side frame; 3. a hollow drill pipe; 31. a drilling part; 311. closing the cover; 312. a fixing ring; 313. an electric telescopic rod; 32. a toothed ring; 33. a transverse sampling hole; 331. a shielding cover; 34. a fixing seat; 341. a first gear; 342. a rotating disc; 343. a screw III; 35. a sampling tube; 351. a slide block; 36. a bottom cover; 361. opening and closing the cover; 4. an adjusting plate; 41. a second motor; 42. a second gear; 5. a first worm wheel; 6. a first transmission part; 61. a first screw; 611. t-shaped shaft I; 62. a first rotating shaft; 621. a second power supply; 622. t-shaped shaft II; 63. a first synchronous wheel; 7. a second worm wheel; 8. a second transmission part; 81. a second rotating shaft; 82. a second synchronous wheel; 821. a third power supply; 822. a second limiting seat; 83. a second screw; 831. a connecting ring; 84. a connecting piece; 9. an adjusting frame; 91. a third motor; 92. a fourth motor; 93. a worm; 10. and synchronizing the tracks.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
As shown in fig. 1-3, the invention provides the technical scheme that: the sample collection device for environment detection comprises a mobile vehicle body 1, a sampling mechanism, a positioning mechanism and a transmission assembly;
the control console with the PLC 11 is installed on the movable car body 1 through a screw, the connecting side frame 2 with the L-shaped structure is fixedly installed on the outer wall of one side of the movable car body 1 through a bolt, the bottom of the movable car body 1 and the bottom of the connecting side frame 2 are both provided with bottom grooves which are arranged in an open mode, the movable assembly 13 is installed in the bottom grooves, the movable assembly 13 comprises a U-shaped wheel frame 131 and a roller 132, the roller 132 is installed in the wheel frame 131 through shaft connection, a first motor 12 is installed on the top wall of the movable car body 1 and the top wall of the connecting side frame 2 through bolts, the first motor 12 is a lifting motor, the end part of an output shaft of the first motor 12 is fixedly connected with the top surface of the wheel frame 131, the roller 132 is at the highest position when the top surface of the wheel frame 131 is contacted with the top surface of the bottom grooves, the bottom ends of the movable car body 1 and the connecting side frame 2 can be contacted with the ground, and the output shaft distance of the first motor 12 is farthest when the top surface of the wheel frame 131 is located on the same horizontal plane, and the roller 132 can be adjusted in a moving mode along a ground driving device.
The top surface of the mobile car body 1 is also fixed with a fixing frame 15 which is vertically arranged through bolts, the top of the fixing frame 15 is in a convex structure, fixing strips 153 are arranged between the side walls of the fixing frame 15 through screws, the top surface of the fixing strips 153 and the lower top surface of the fixing frame 15 (the contact sensor on the fixing frame 15 is not shown in the figure, and the contact sensor is arranged at a position opposite to the contact sensor on the fixing strips 153), and the contact sensor is connected with the PLC 11 through an electric signal.
The regulating plate 4 slides along the vertical lateral wall of mount 15 and sets up to the bottom rotation of regulating plate 4 is provided with gear two 42, and one side meshing of gear two 42 is provided with the ring gear 32 of rotating connection with it, and installs motor two 41 through the bolt on the top surface of regulating plate 4, and motor two 41 is the rotating electrical machines, and gear two 42 is installed on the output shaft end of motor two 41, and the sampling mechanism as an organic whole with it is installed to the centre of ring gear 32, and rotates the setting through the hub connection between sampling mechanism and the regulating plate 4.
The outside at removal automobile body 1 still is provided with the positioning mechanism that can insert in the soil along vertical direction, is provided with drive assembly between regulating plate 4 and the positioning mechanism, through drive assembly's work in turn for can control sampling mechanism's lift adjustment, can control positioning mechanism's lift adjustment again.
It should be further noted that, by moving the mobile vehicle body 1 to the ground to be sampled, the position of the mobile vehicle body 1 is fixed by the positioning mechanism, so as to improve the stability of the sampling mechanism during operation, and then, the downward movement of the control adjusting plate 4 is used to control the process of drilling and then sampling of the sampling mechanism.
As shown in fig. 4-8, the sampling mechanism comprises a hollow drill pipe 3, a drilling portion 31 and a sampling barrel 35;
the top outer wall of the hollow drill pipe 3 and the toothed ring 32 are connected into a whole through screws, the drilling part 31 is arranged in a conical structure and is connected with the hollow drill pipe 3 into a whole, the hollow drill pipe 3 is provided with a transverse sampling hole 33, a shielding cover 331 is slidably arranged in the transverse sampling hole 33 along the vertical direction of the hollow drill pipe 3, the shielding cover 331 slides in the side wall of the hollow drill pipe 3, and a micro motor (the micro motor is a linear motor) for driving the shielding cover 331 to move up and down is arranged in the side wall of the hollow drill pipe 3 (not shown in the figure).
The middle of boring portion 31 has seted up vertical decurrent vertical sampling hole, be provided with two closure caps 311 in the vertical sampling hole, and bore and install solid fixed ring 312 through the screw on the inner wall of portion 31, two closure caps 311 all slide along the inner wall of boring portion 31 and set up electric telescopic handle 313, and install two symmetry in the solid fixed ring 312, the expansion end of two electric telescopic handle 313 is connected fixedly with the roof of two closure caps 311 respectively, when electric telescopic handle 313's output shaft withdraws to the shortest, the top surface of two closure caps 311 moves to the position department with solid fixed ring 312 lower surface contact, vertical sampling hole is in the open state this moment, on the contrary, when electric telescopic handle 313's output shaft stretches out to the longest, two closure caps 311 close and form a cone and lie in between the inner wall of vertical sampling hole (as shown in fig. 5) with it sealed.
A fixed seat 34 arranged in the vertical direction is fixed on the inner wall of the hollow drill pipe 3 through bolts, a first gear 341 and a rotating disc 342 are arranged on the vertical side wall of the fixed seat 34, a motor five (not shown in the figure) which is connected with the first gear 341 and driven is arranged between the inner walls of the fixed seat 34 on one side of the first gear 341, the motor five is a rotating motor, the rotating disc 342 is rotatably arranged on one side of the fixed seat 34 through shaft connection, a plurality of tooth grooves are formed in the circumferential outer surface of the rotating disc 342, the first gear 341 is meshed with the tooth grooves for transmission, a fixed groove is formed in the middle position of the rotating disc 342, a second contact sensor (not shown in the figure) which is connected with the PLC 11 through an electric signal is embedded in two end faces of the fixed groove, a screw three (not shown in the figure) arranged in the length direction of the fixed groove is arranged in the rotating disc 342 on one end of the screw three 343, and the motor six is a rotating motor.
The outer wall of the sampling barrel is provided with a sliding block 351 at a position close to the top through a screw, the sliding block 351 slides between the inner walls of the fixed grooves, and a screw rod III 343 penetrates through the sliding block 351 and is in threaded transmission fit with the sliding block 351.
The bottom cover 36 is installed through the screw in the middle of the bottom of the sampling barrel, four identical opening and closing covers 361 are arranged in the middle of the bottom cover 36, the opening and closing covers 361 are arranged in a triangular structure, a T-shaped rotating shaft is connected to one end of each opening and closing cover 361, a motor seven (not shown in the figure) which is arranged in the bottom cover 36 is connected to one end of each rotating shaft, the opening and closing covers 361 are turned to one side of the inside of the sampling barrel 35 to be opened by 90 degrees when sampling and collecting in the sampling barrel 35, and are turned to one side of the outside of the sampling barrel 35 to be opened by 90 degrees when sampling is taken out from the sampling barrel 35.
When the sampling tube 35 is adjusted to a position facing vertically downwards, the sampling tube 35 is opposite to the vertical sampling hole, and under the driving of the sliding block 351, the sampling tube 35 can vertically sample through the vertical sampling hole, when the sampling tube 35 is adjusted to a position facing horizontally towards the transverse sampling hole 33, the sampling tube 35 is opposite to the transverse sampling hole 33, and also under the driving of the sliding block 351, the sampling tube 35 can horizontally sample through the transverse sampling hole 33.
In addition, the centers of the transverse sampling holes 33 and the vertical sampling holes are located in the same vertical plane, the rotation center of the rotary disk 342 and the center of the transverse sampling hole 33 are located on the same straight line (denoted as a straight line i), and the centers of the rotary disk 342 and the vertical sampling hole are also located on the same straight line (denoted as a straight line ii), and the straight line i and the straight line ii are vertically arranged, so that the alignment of the transverse sampling holes 33 and the vertical sampling holes can be realized through the rotation angle when the sampling tube 35 is in the initial state (i.e., the state when the sliding block 351 is located at the top end of the fixed slot and the sampling tube 35 is vertically arranged downwards as shown in fig. 6), and then the same alignment effect can be realized through the adjustment of the angle no matter how the hollow drill pipe 3 rotates later.
It should be further noted that, the second motor 41 is started by the PLC controller 11 to drive the second gear 42 to rotate, so that the toothed ring 32 synchronously drives the hollow drill pipe 3 and the drilling portion 31 to rotate, and the hollow drill pipe 3 and the drilling portion 31 are driven to descend by the lifting action of the adjusting plate 4, and the drilling portion 31 continuously drills soil and penetrates into the soil by matching with the rotation action of the toothed ring 32.
When vertical sampling is performed, the drilling part 31 pauses after drilling into the soil along with the adjusting plate 4 to a set depth, at this time, the PLC 11 controls the electric telescopic rod 313 to reset, so that the closed cover 311 slides upwards along the inner wall of the drilling part 31 to be in contact with the bottom wall of the fixed ring 312 to stop, at this time, the vertical sampling hole is in an open state, then, the PLC 11 controls the gear one 341 to rotate, so that the rotary disk 342 drives the sampling tube 35 to be adjusted to a position with the bottom cover 36 vertically downward, and then, the four opening and closing covers 361 are controlled to rotate 90 degrees to one side of the inside of the sampling tube 35 to stop, so that the bottom of the sampling tube 35 is in an open state, then, the PLC 11 starts the motor six, so that the screw three 343 starts to rotate forward, so that the slide block 351 drives the sampling tube 35 to move downwards along the vertical direction, and then continues to prick into the soil after the vertical sampling hole, part of the soil enters the sampling tube 35 from the middle of the bottom cover 36, after the sampling is completed, the PLC 11 controls the four opening and closing covers 361 to reset and close, and then, after the slide block 351 is reset, the reset controller is controlled, the PLC 11 resets to reset, and the vertical sampling hole can be formed.
When horizontal sampling is performed, the drilling part 31 pauses after drilling the adjusting plate 4 to a set depth under the soil, the first gear 341 is controlled by the PLC 11 to rotate, the rotating disc 342 drives the sampling tube 35 to be adjusted to a position where the bottom cover 36 is vertically downward, the four opening and closing covers 361 are controlled to rotate 90 degrees towards one side inside the sampling tube 35 and then stop, the bottom of the sampling tube 35 is in an open state, then the first gear 341 is controlled by the PLC 11 to rotate, the rotating disc 342 drives the sampling tube 35 to be adjusted to a position towards the transverse sampling hole 33, then the shielding cover 331 is opened by the PLC 11, then the first motor is started by the PLC 11, the third screw 343 starts to rotate forward, so that the sliding block 351 drives the sampling tube 35 to move towards one side where the transverse sampling hole 33 is located along the horizontal direction, part of the soil is continuously pricked into the soil after the transverse sampling hole 33, the four opening and closing covers 361 are controlled by the PLC 11 to reset and close after the sampling is completed, the sliding block 351 is controlled to reversely rotate, the sliding block 351 stops, and the sliding block 351 is reset after the sliding block 351 is reset, and the sliding block cover 331 is controlled to reset, and the sealing of the sliding block 331 is controlled, so that the sealing block 11 can be achieved.
The initial position and the reset position of the slider 351 are both located at the top end of the fixed slot shown in fig. 7, and the farthest sampling distance of the sampling tube 35 (i.e. the farthest moving distance of the slider 351) is the state of the slider 351 when moving to the bottom end of the fixed slot, and the sampling distance of the slider 351 can be set according to the actual needs, but the farthest distance is not more than the above distance.
As shown in fig. 1 and 9, the positioning mechanism comprises a lifting plate 16 and a plurality of positioning piles 161;
two fixing frames 14 are fixed on the opposite outer walls of the two sides of the movable vehicle body 1 through screws, the fixing frames 14 are of a U-shaped structure, a bottom plate 17 is mounted between the opposite inner walls of the two sides of the movable vehicle body 1 through screws, lifting plates 16 are arranged between the opposite inner walls of the two sides in a sliding mode along the vertical direction, integrated bulges are arranged on the side walls of the two sides of the lifting plates 16, positioning piles 161 are mounted on the outer ends of the bulges through screws, and the bottom ends of the positioning piles 161 are in a pointed structure.
It should be further noted that, after the mobile vehicle body 1 moves to the position to be sampled, the roller 132 is retracted to make the bottom of the mobile vehicle body 1 touch the ground, and then four positioning piles 161 are inserted into the soil to stabilize the stability of the device during sampling.
As shown in fig. 1-3 and 9-14, the transmission assembly includes a first worm gear 5, a first transmission member 6, a second worm gear 7, a second transmission member 8, an adjustment member, and a synchronous track 10;
the first transmission part 6 comprises a first screw 61, a first rotating shaft 62 and a first synchronizing wheel 63;
a first screw 61 is provided through the adjustment plate 4 and controls the vertical movement of the adjustment plate 4 by means of a screw drive.
The top of screw rod one 61 is connected with an integrative T type axle one 611 that sets up and be iron, fixedly inlay limit seat one 152 on the upper bottom surface of mount 15, limit seat one 152 is the electro-magnet, and install on the lateral wall of mount 15 with limit seat one 152 through the power one 151 of wire connection, set up through electric signal connection between power one 151 and the PLC controller 11, the top rotation of T type axle one 611 sets up between the inner wall of limit seat one 152 and it does not break away from all the time, the bottom of screw rod one 61 is connected with axis one 62 top, fixed mounting has synchronizing wheel one 63 on the outer wall of axis one 62, and install power two 621 through the screw on the inner wall of axis one 62, through electric signal connection control between power two 621 and the PLC controller 11, still be connected with integrative T type axle two 622 on the top of axis one 62, T type axle two 622 is the electro-magnet, set up spread groove one in the bottom of screw rod one 61, fixedly inlay the connecting bearing of iron between the inner wall of spread groove one, T type axle two 622 and connecting bearing looks adaptation and rotation set up between the inner wall of connecting bearing.
It should be further noted that, when the power supply two 621 energizes the T-shaped shaft two 622, but the power supply one 151 does not energize the limit seat one 152, the T-shaped shaft one 611 and the limit seat one 152 are rotatably disposed, suction force is generated between the T-shaped shaft two 622 and the connecting bearing to connect the two together, at this time, the screw one 61, the rotating shaft one 62 and the synchronizing wheel one 63 are connected together and are synchronous in state, otherwise, when the power supply one 151 energizes the limit seat one 152, but the power supply two 621 does not energize the T-shaped shaft two 622, the screw one 61 is connected with the limit seat one 152 into a whole under the action of the T-shaped shaft one 611, and the rotating shaft one 62 can be adjusted along with the rotation of the step wheel under the action of the T-shaped shaft two 622.
The second transmission part 8 comprises a second rotation shaft 81, a second synchronizing wheel 82, a second screw 83 and a connecting part 84;
the second screw 83 penetrates through the lifting plate 16 and is in threaded transmission fit with the lifting plate, and the bottom end of the second screw 83 is mounted on the bottom plate 17 through a bearing.
The bottom of the synchronizing wheel II 82 is rotatably arranged on the top surface of the movable vehicle body 1 through a bearing, the diameter of the synchronizing wheel I63 is equal to that of the synchronizing wheel II 82, and a synchronizing track 10 is arranged between the synchronizing wheel I and the synchronizing wheel II 82, and the transmission ratio of the synchronizing track 10 is 1:1.
The power supply three 821 is installed on the inner wall of the synchronizing wheel two 82 through a screw, the limiting seat two 822 is further arranged in the synchronizing wheel two 82, the limiting seat two 822 is an electromagnet, the limiting seat two 822 and the synchronizing wheel two 82 move synchronously (namely, the limiting seat two 822 and the synchronizing wheel two 82 are connected into a whole), the power supply three 821 and the PLC 11 are controlled through electric signal connection, the limiting seat two 822 and the power supply three 821 are connected through a wire, the limiting seat two 822 is fixedly embedded between the inner wall of the synchronizing wheel two 82, the bottom end of the rotating shaft two 81 is fixedly integrated with the synchronizing wheel two 82 through threaded connection, the connecting ring 831 which is integrated into a whole and is made of iron is installed on the outer wall of the top end of the screw rod two 83, the connecting ring 831 is rotationally arranged between the inner wall of the limiting seat two 822, in addition, the connecting piece 84 with an I-shaped structure is further arranged between the rotating shaft two 81 and the inner wall of the screw rod two 83, and two ends of the connecting piece 84 are rotationally arranged between the rotating shaft two 81 and the inner wall of the screw rod two 83 respectively.
It should be further noted that, when the third power source 821 energizes the second limiting seat 822, the second screw 83 is connected with the second limiting seat 822 under the action of the connecting ring 831, that is, the second rotating shaft 81, the second screw 83 and the second synchronizing wheel 82 are connected into a whole and move synchronously, otherwise, when the third power source 821 does not energize the second limiting seat 822, the connecting ring 831 and the second limiting seat 822 become a rotation connection relationship, that is, when the second synchronizing wheel 82 rotates along with the synchronous track 10, the second screw 83 below can not rotate along with the second synchronizing wheel 82, and the rotating shaft still rotates along with the second synchronizing wheel 82.
The first worm wheel 5 is arranged on the outer wall of the first rotating shaft 62 and is synchronous with the first worm wheel, the second worm wheel 7 is arranged on the top end of the second rotating shaft 81 and is synchronous with the second worm wheel, the shape, the size and the installation angle of the first worm wheel 5 and the second worm wheel 7 are consistent, and the first worm wheel 7 is equivalent to the second worm wheel 7 which is only used for refitting the first worm wheel 5 on the second rotating shaft 81 after translational adjustment, and other conditions are unchanged.
The adjusting part comprises an adjusting frame 9 and a worm 93;
still install motor cabinet and backup pad through the bolt on the top surface of removal automobile body 1, install motor three 91 through the screw on the motor cabinet, motor three 91 is rotating electrical machines, install alignment jig 9 on motor three 91's the output shaft, alignment jig 9 is "U" type structure setting, and motor three 91's the other end of output shaft passes through the bearing rotation and sets up on the lateral wall of backup pad, worm 93 rotates and sets up between the lateral wall of alignment jig 9, and install motor four 92 through the screw on one side lateral wall of alignment jig 9, motor four 92 is rotating electrical machines, motor four 92 and worm 93 are connected drive, worm 93 and worm wheel one 5 and worm wheel two 7 homoenergetic drive, motor three 91 starts can rotate 90 degrees and also can only rotate once.
In the first state, when the lifting adjustment of the adjustment plate 4 is performed:
when the worm 93 is meshed with the first worm wheel 5 as shown in fig. 10, the third power source 821 does not energize the second limit seat 822, that is, the second synchronizing wheel 82 is not connected with the second screw 83 into a whole, the first power source 151 does not energize the first limit seat 152, the second power source 621 energizes the second T-shaped shaft 622, that is, the first screw 61, the first rotating shaft 62 and the first synchronizing wheel 63 are connected into a whole, then the PLC controller 11 starts the fourth motor 92 to rotate the worm 93, so that the first worm wheel 5 rotates along with the first worm wheel 61, the first screw 61 rotates synchronously with the first worm wheel 5, the adjusting plate 4 can be adjusted in a lifting manner in the vertical direction, the first synchronizing wheel 63 also rotates synchronously along with the first worm wheel, the second synchronizing wheel 82 is driven to rotate synchronously by the same angle through the synchronous crawler 10, and the fourth motor 92 can be stopped after the adjusting plate 4 is adjusted to a required position.
And a second state, when lifting adjustment of the positioning mechanism is performed:
the third motor 91 is started under the action of the PLC 11 and drives the adjusting frame 9 to rotate 90 degrees to one side where the second worm wheel 7 is located, during the rotation period of the adjusting frame 9, the PLC 11 synchronously controls the third power source 821 to start and electrifies the second limiting seat 822, so that the second synchronous wheel 82 and the second screw 83 are connected into a whole, meanwhile, the first power source 151 is controlled to electrifie the first limiting seat 152, the first screw 61 and the first limiting seat 152 are connected into a whole, the second power source 621 is controlled to not electrifie the second T-shaped shaft 622, so that the first screw 61 and the first rotating shaft 62 are not connected into a whole, then, the PLC 11 continues to start the fourth motor 92 to enable the worm 93 to start rotating, so that the second worm wheel 7 rotates along with the second worm wheel 81 and the second screw 83, the second worm wheel 7 synchronously rotates, the lifting plate 16 can lift and adjust in the vertical direction, the positioning pile 161 can be pricked into or removed from soil, and the fourth motor 92 is stopped after the completion.
It should be noted that, when the worm 93 contacts with one of the first worm wheel 5 and the second worm wheel 7 after rotating 90 degrees, the two contacted parts are still in the engaged state; in this process, through the setting of the synchronous crawler 10 and the setting of the transmission ratio 1:1, the worm wheel two 7 can synchronously perform angle adjustment under the condition that the worm wheel two 83 is not driven to move while the worm wheel two 5 rotates, or the worm wheel one 5 can synchronously perform angle adjustment under the condition that the worm wheel two 7 rotates while the worm wheel two 61 is not driven to rotate, so that the angle deviation between the worm 93 and the worm wheel one 5 (or the worm wheel two 7) possibly after the position adjustment is automatically completed.
Working principle:
firstly, the moving vehicle body 1 is moved to the soil to be sampled, then the roller 132 is upwards retracted, so that the moving vehicle body 1 touches the ground, then the worm 93 is controlled to be meshed with the worm wheel II 7, the worm 93 drives the worm wheel II 7 to rotate by starting the motor IV 92, the screw II 83 synchronously rotates along with the worm wheel II 7, and under the action of the screw II 83, the lifting plate 16 drives the four positioning piles 161 to be downwards pricked into the soil for fixation.
Subsequently, the worm 93 is adjusted to be meshed with the first worm wheel 5, the first worm wheel 5 is driven to rotate through the worm 93, the first screw 61 synchronously rotates along with the first worm wheel 5, the adjusting plate 4 is controlled to move downwards along the vertical side wall of the fixing frame 15 under the action of the first screw 61, meanwhile, the second motor 41 is started, the second gear 42 drives the toothed ring 32 to rotate, and the hollow drill pipe 3 and the drilling part 31 are synchronously driven to rotate, so that the soil is drilled downwards.
Then, after the soil is drilled into the required distance, the opening and closing cover 311 is opened, the opening and closing cover 361 is controlled to be opened upwards by 90 degrees, the sampling tube 35 is controlled to move downwards along the direction of the vertical sampling hole to be pricked into the soil for sampling, the sampling work of the soil on different depths can be realized, after the sampling is finished, the sampling tube 35 is reset, the closing cover 311 is closed, after the drilling part 31 moves upwards out of the soil, the closing cover 311 is opened again, and the opening and closing cover 361 is controlled to be opened downwards by 90 degrees, so that the sampled soil falls down and is collected.
If the soil at different horizontal positions on the same depth is required to be sampled, the soil is drilled into the soil firstly, the angle of the sampling tube 35 is adjusted to be towards the transverse sampling hole 33 after the required sampling depth is reached, then the opening and closing cover 361 is controlled to be opened to one side of the tube for 90 degrees, the sampling tube 35 is continuously controlled to move along the direction of the transverse sampling hole 33 to be pricked into the soil for sampling, after the sampling is finished, the sampling tube 35 is reset, the closing cover 311 is closed, after the drilling part 31 moves up and out of the soil, the closing cover 311 is opened again, and the opening and closing cover 361 is controlled to be opened downwards for 90 degrees, so that the sampled soil falls down and is collected.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; may be directly connected, may be in communication with the interior of two elements or may be in interaction with two elements. The meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing has described in detail a sample collection device for environmental detection provided by the embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are only for aiding in understanding the technical solutions and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (6)
1. A sample collection device for environmental testing, comprising:
the movable car body (1), a control console with a PLC (programmable logic controller) controller (11) is arranged on the movable car body (1), a connecting side frame (2) connected into a whole is arranged on one side of the movable car body (1), movable components (13) are arranged at the bottoms of the movable car body (1) and the connecting side frame (2), and a fixing frame (15) is further arranged on the movable car body (1);
the positioning mechanism comprises a lifting plate (16) and positioning piles (161), wherein the lifting plate (16) slides between the inner walls of the movable vehicle body (1) along the vertical direction, four positioning piles (161) are connected to the outside of the lifting plate (16), and the positioning piles (161) slide along the outer walls of the movable vehicle body (1) and the bottom ends of the positioning piles are arranged in a pointed structure;
the transmission assembly comprises a worm wheel I (5), a transmission part I (6), a worm wheel II (7), a transmission part II (8) and an adjusting part, wherein the transmission part I (6) comprises a screw rod I (61), a rotating shaft I (62) and a synchronous wheel I (63), the worm wheel I (5) is arranged on the rotating shaft I (62), one end of the screw rod I (61) is connected with a fixing frame (15), the other end of the screw rod I is connected with the rotating shaft I (62), the rotating shaft I (62) is connected with the synchronous wheel I (63) into a whole, the transmission part II (8) comprises a rotating shaft II (81), a synchronous wheel II (82) and a screw rod II (83), the second rotating shaft (81) is connected with the second synchronizing wheel (82) into a whole, the second screw rod (83) is vertically arranged in the mobile vehicle body (1) and the top end of the second screw rod is connected with the second synchronizing wheel (82), the second screw rod (83) penetrates through the lifting plate (16) and is in threaded transmission fit with the lifting plate, a synchronous crawler belt (10) with the transmission ratio of 1:1 is arranged between the first synchronizing wheel (63) and the second synchronizing wheel (82), the adjusting component comprises a worm (93), and the worm (93) rotates and reciprocates between the first worm wheel (5) and the second worm wheel (7) at 90 degrees;
The worm (93) can be meshed with the first worm wheel (5) for transmission when in a horizontal state, so that the lifting adjustment of the sampling mechanism can be controlled, and the worm (93) can be meshed with the second worm wheel (7) for transmission when in a vertical state, so that the lifting adjustment of the positioning mechanism can be controlled;
the top of the sampling mechanism is provided with a toothed ring (32), one side of the toothed ring (32) is provided with a gear II (42) in a meshed manner, an adjusting plate (4) is slidably arranged along the vertical side wall of the fixing frame (15), a screw I (61) penetrates through the adjusting plate (4) and is in threaded transmission fit with the adjusting plate, the gear II (42) is arranged at the bottom of the adjusting plate (4), the sampling mechanism and the adjusting plate (4) are rotatably arranged through shaft connection, and soil sampling can be completed through the sampling mechanism;
the sampling mechanism comprises a hollow drill pipe (3), a drilling part (31) and a sampling tube (35);
the top of the hollow drill pipe (3) is connected with the toothed ring (32) into a whole, the drilling part (31) is connected with the bottom of the hollow drill pipe (3) into a whole, the drilling part (31) is arranged in a conical structure, a lateral sampling hole (33) is formed in the side wall of the hollow drill pipe (3), and a shielding cover (331) is arranged in the lateral sampling hole (33) in a sliding manner along the vertical direction of the hollow drill pipe (3);
The middle of the drilling part (31) is provided with a vertical downward vertical sampling hole, two closed covers (311) are movably arranged in the vertical sampling hole, when the two closed covers (311) are closed, the vertical sampling hole is in a sealing state, otherwise, the vertical sampling hole is in an opening state, and the sampling tube (35) is matched with the vertical sampling hole and the transverse sampling hole (33);
a fixed seat (34) is arranged on the inner wall of the hollow drill pipe (3), a first gear (341) and a rotary disk (342) which are meshed and driven are arranged on the side wall of the fixed seat (34), a plurality of tooth grooves which are matched with the first gear (341) are formed in the rotary disk (342), the rotary disk (342) is rotatably arranged on the side wall of the fixed seat (34), a sampling tube (35) is arranged on one side of the rotary disk (342) and can be moved and regulated along the straight line direction, a bottom cover (36) is arranged on the bottom wall of the sampling tube (35), four identical opening and closing covers (361) are movably arranged in the middle of the bottom cover (36), and the opening and closing covers (361) are arranged in a triangular structure;
the center of the transverse sampling hole (33), the center of the vertical sampling hole and the rotation center of the rotary disk (342) are all located in the same vertical plane, and the connecting line between the center of the transverse sampling hole (33) and the rotation center of the rotary disk (342) is perpendicular to the connecting line between the center of the vertical sampling hole and the rotation center of the rotary disk (342);
When the sampling tube (35) is adjusted to the position facing the vertical sampling hole, the sampling tube (35) is moved downwards, so that the sampling tube can perform sampling work in the vertical direction after penetrating through the vertical sampling hole, and when the sampling tube (35) is adjusted to the position facing the horizontal sampling hole (33), the sampling tube (35) is moved horizontally, so that the sampling work in the horizontal direction can be performed after penetrating through the horizontal sampling hole (33).
2. The sample collection device for environmental detection according to claim 1, wherein the moving assembly (13) comprises a wheel frame (131) and a roller (132), the wheel frame (131) is in a U-shaped structure, bottom grooves which are arranged in an open mode are formed in the bottoms of the moving vehicle body (1) and the connecting side frame (2), the wheel frame (131) moves in the bottom grooves, a motor I (12) which is connected and driven with the wheel frame (131) is arranged above the wheel frame (131), and the roller (132) is arranged between the side walls of the wheel frame (131) through shaft connection;
when the top surface of the wheel frame (131) is in contact with the top surface of the bottom groove, the roller (132) is located at the highest position, at the moment, the bottom ends of the movable vehicle body (1) and the connecting side frame (2) can be in contact with the ground, when the top surface of the wheel frame (131) and the bottom surface of the movable vehicle body (1) are located on the same horizontal plane, at the moment, the roller (132) is located at the lowest position, the output distance of the motor I (12) is the farthest, and the roller (132) can move and advance along the ground.
3. The sample collection device for environmental detection according to claim 2, wherein the top of the screw rod one (61) is connected with a T-shaped shaft one (611) which is integrally arranged, the T-shaped shaft one (611) is made of iron, a fixed limit seat one (152) is embedded on the surface of the fixing frame (15) facing the screw rod one (61), the limit seat one (152) is an electromagnet, a power supply one (151) connected with the limit seat one (152) through a wire is arranged on one side wall of the fixing frame (15), the power supply one (151) is connected with the PLC (11) through an electric signal, and the top of the T-shaped shaft one (611) is arranged between the inner walls of the limit seat one (152) and is not separated all the time;
install two (621) of power on the inner wall of axis of rotation one (62), set up through electrical signal connection between two (621) of power and PLC controller (11), be connected with integrative T type axle two (622) on the roof of axis of rotation one (62), T type axle two (622) are the electro-magnet, set up spread groove one in the bottom of screw rod one (61), and fixedly inlay the connecting bearing of iron between the inner wall of spread groove one, T type axle two (622) and connecting bearing looks adaptation and its rotation between the inner wall of connecting bearing.
4. A sample collection device for environmental detection according to claim 3, wherein when the power supply two (621) is used for powering on the T-shaped shaft two (622), and the power supply one (151) is used for powering off the limit seat one (152), the top of the T-shaped shaft one (611) is rotatably arranged between the inner walls of the limit seat one (152), and suction is generated between the T-shaped shaft two (622) and the connecting bearing to connect the two together, namely, the screw one (61), the rotating shaft one (62) and the synchronous wheel one (63) are connected together at the moment;
when the power supply two (621) is not electrified to the T-shaped shaft two (622) and the power supply one (151) is electrified to the limit seat one (152), the T-shaped shaft one (611) and the limit seat one (152) are connected into a whole through suction, namely the screw one (61) is indirectly connected with the limit seat one (152) into a whole under the action of the T-shaped shaft one (611), the suction between the T-shaped shaft two (622) and the connecting groove one at the moment disappears, the rotating shaft one (62) and the screw one (61) are not connected into a whole, and the states are not synchronized.
5. The sample collection device for environmental detection according to claim 4, wherein a third power supply (821) is installed on the inner wall of the second synchronizing wheel (82), the third power supply (821) is connected with the PLC controller (11) through an electrical signal, a second fixed limiting seat (822) is installed between the inner walls of the second synchronizing wheel (82), the second limiting seat (822) is an electromagnet, and the third power supply (821) is connected with the second limiting seat (822) through a wire;
The bottom end of the second rotating shaft (81) is connected with the second synchronizing wheel (82) into a whole, an integrated connecting ring (831) is arranged on the outer wall of the top end of the second screw rod (83), the connecting ring (831) is made of iron, the connecting ring (831) is arranged in the second limiting seat (822) and is matched with the second limiting seat, and an I-shaped connecting piece (84) is further arranged between the bottom wall of the second rotating shaft (81) and the top wall of the second screw rod (83) in a rotating mode;
when the power supply III (821) is electrified to the limit seat II (822), suction is generated between the connecting ring (831) and the limit seat II (822), so that the screw rod II (83) and the synchronous wheel II (82) are connected into a whole, otherwise, when the power supply III (821) is not electrified to the limit seat II (822), the connecting ring (831) and the limit seat II (822) are connected in a rotating way, and the movement of the synchronous wheel II (82) and the screw rod II (83) is not influenced.
6. The sample collection device for environmental detection according to claim 5, wherein the adjusting component further comprises an adjusting frame (9), the adjusting frame (9) is in a U-shaped structure, one side of the adjusting frame (9) is connected with a motor III (91) for driving the adjusting frame to rotate, a motor IV (92) is further arranged on the side wall of the adjusting frame (9), a worm (93) is arranged between the side walls of the adjusting frame (9), and an output shaft of the motor IV (92) is connected with the worm (93) and drives the worm (93) to rotate;
Wherein the rotation angle of the adjusting frame (9) is 90 degrees each time;
when the worm (93) is meshed with the first worm wheel (5), the worm (93) is in a horizontal state, the first screw (61), the first rotating shaft (62) and the first synchronizing wheel (63) are connected into a whole and move synchronously, the first screw (61) controls the adjusting plate (4) to lift and adjust in the vertical direction, the moving states of the second screw (83) and the second synchronizing wheel (82) are not influenced, and the second synchronizing wheel (82) drives the second worm wheel (7) to rotate synchronously along with the first synchronizing wheel (63);
when the worm (93) is meshed with the worm wheel II (7), the worm (93) is in a vertical state, the rotating shaft II (81), the synchronizing wheel II (82) and the screw rod II (83) are connected into a whole and move synchronously, the screw rod II (83) controls the lifting plate (16) to lift and adjust in the vertical direction, the screw rod I (61) and the limiting seat I (152) are connected into a whole, the screw rod I (61) and the rotating shaft I (62) do not affect the respective motion state, and the synchronizing wheel I (63) drives the worm wheel I (5) to rotate synchronously along with the synchronizing wheel II (82).
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| CN202410053175.2A CN117571375B (en) | 2024-01-15 | 2024-01-15 | Sample collection device for environment detection |
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| CN202410053175.2A CN117571375B (en) | 2024-01-15 | 2024-01-15 | Sample collection device for environment detection |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473997A (en) * | 2020-05-29 | 2020-07-31 | 苏波 | Layered sampling device for soil detection |
| CN113404030A (en) * | 2021-05-18 | 2021-09-17 | 谭小波 | Soil sampling device for highway engineering road and using method thereof |
| CN218823275U (en) * | 2022-08-02 | 2023-04-07 | 东北农业大学 | Portable soil sampler |
| CN116007994A (en) * | 2023-02-28 | 2023-04-25 | 山西省防灾减灾保障中心(山西省航空护林站) | Hydrogeology sampling device |
| CN116026632A (en) * | 2023-02-03 | 2023-04-28 | 康启坤 | Sampling device and sampling method for geological mineral exploration |
| CN116147974A (en) * | 2023-03-21 | 2023-05-23 | 韦精英 | Sample engineering investigation device and method for collecting different depths |
| CN116337514A (en) * | 2023-05-22 | 2023-06-27 | 山西农业大学 | Directional sampler for soil heavy metal detection |
| CN116698486A (en) * | 2023-06-18 | 2023-09-05 | 贵州民族大学 | Wetland soil monitoring device and application method thereof |
-
2024
- 2024-01-15 CN CN202410053175.2A patent/CN117571375B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473997A (en) * | 2020-05-29 | 2020-07-31 | 苏波 | Layered sampling device for soil detection |
| CN113404030A (en) * | 2021-05-18 | 2021-09-17 | 谭小波 | Soil sampling device for highway engineering road and using method thereof |
| CN218823275U (en) * | 2022-08-02 | 2023-04-07 | 东北农业大学 | Portable soil sampler |
| CN116026632A (en) * | 2023-02-03 | 2023-04-28 | 康启坤 | Sampling device and sampling method for geological mineral exploration |
| CN116007994A (en) * | 2023-02-28 | 2023-04-25 | 山西省防灾减灾保障中心(山西省航空护林站) | Hydrogeology sampling device |
| CN116147974A (en) * | 2023-03-21 | 2023-05-23 | 韦精英 | Sample engineering investigation device and method for collecting different depths |
| CN116337514A (en) * | 2023-05-22 | 2023-06-27 | 山西农业大学 | Directional sampler for soil heavy metal detection |
| CN116698486A (en) * | 2023-06-18 | 2023-09-05 | 贵州民族大学 | Wetland soil monitoring device and application method thereof |
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