NL2027806B1 - Soil sampling terminal and soil sampling equipment - Google Patents
Soil sampling terminal and soil sampling equipment Download PDFInfo
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- NL2027806B1 NL2027806B1 NL2027806A NL2027806A NL2027806B1 NL 2027806 B1 NL2027806 B1 NL 2027806B1 NL 2027806 A NL2027806 A NL 2027806A NL 2027806 A NL2027806 A NL 2027806A NL 2027806 B1 NL2027806 B1 NL 2027806B1
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- air cylinder
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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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- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Disclosed is a soil sampling terminal. The soil sampling terminal comprises a sampling tube used for collecting soil and a soil push-out mechanism arranged on the sampling tube; the soil push-out mechanism comprises a piston which is arranged in the sampling tube and is in sliding fit with the inner wall of the sampling tube, a push driving mechanism used for driving the piston to move in the sampling tube, and a locking mechanism for locking the piston; the push driving mechanism comprises at least two groups of push driving assemblies; and each group of push driving assemblies comprises a first push rod located on the upper portion; a third push rod located on the lower portion, a second push rod arranged between the corresponding first push rod and the corresponding third push rod; and a first push spring and a second push spring used for driving the corresponding second push rod and the corresponding third push rod to move. According to the soil sampling terminal, soil can be directly sampled; and the sampling efficiency is high; and after the soil is collected; automatic soil sampling can be realized; and soil collection is simple and convenient.
Description
-1-
TECHNICAL FIELD The present disclosure relates to soil sampling equipment, in particular to a soil sampling terminal and soil sampling equipment.
BACKGROUND Along with the development of the society in China, people pay close attention to food safety, and it is particularly important to guarantee food safety. As soil pollution in China is increasingly serious, if soil is polluted in farmlands or orchards, harmful substances in the soil are absorbed by crops and fruit trees, and finally human health is affected. Therefore, it is very important for soil sampling analysis. At present, a soil sampling mode is gradually transitioned from manual sampling to mechanical sampling. For example, the utility model patent with the authorization proclamation number of CN202837025U discloses an uncompressed soil collecting device, which mainly drives a twist drill to rotate through a drilling hydraulic motor, drives the twist drill to move towards soil through a feeding hydraulic motor, and finishes unthreaded hole drilling under the combined action of the drilling hydraulic motor and the feeding hydraulic motor; and after drilling is finished, the twist drill is replaced with the sampling tube. Two upright blades forming a certain included angle are arranged in the outer tangential direction of the sampling tube. When the sampling tube is fed along the axial direction, a triangular soil column can be cut on the hole wall of an unthreaded hole, so that soil sampling is completed. However, there are the following shortages: firstly, after the device needs to be drilled, soil is collected through the sampling tube, the operation process of collecting the soil is complex, and the sampling efficiency is low; and secondly, after the device finishes soil collection, when a soil collection sample is obtained, a worker is not easy to take out the soil from the two upright blades.
SUMMARY The present disclosure aims at solving the problems. and provides a soil sampling terminal which is capable of directly sampling soil and high in sampling efficiency; and moreover, after the soil is collected by the soil sampling terminal, automatic soil sampling can be realized. and soil collection is simple and convenient. The other purpose of the present disclosure is to provide soil sampling equipment. The purpose of the present disclosure is realized through the following technical scheme: A soil sampling terminal comprises a sampling tube used for collecting soil and a soil
22- push-out mechanism which is arranged on the sampling tube and used for pushing out sampled soil, wherein the soil push-out mechanism comprises pistons which are arranged in the sampling tube and are in sliding fit with the inner wall of the sampling tube, a push driving mechanism used for driving the pistons to move in the sampling tube. and a locking mechanism used for locking the pistons after the soil is colleted by the sampling tube; wherein the push driving mechanism comprises at least two groups of push driving assemblies arranged outside the sampling tube; each group of push driving assemblies comprises a first push rod located on the upper portion, a third push rod located on the lower portion, a second push rod arranged between the corresponding first push rod and the corresponding third push rod, and a first push spring and a second push spring which are used for driving the corresponding second push rod and the corresponding third push rod to move: wherein each first push rod and the corresponding second push rod are connected through a first telescopic structure, each second push rod and the corresponding third push rod are connected through a second telescopic structure, the telescopic directions of the first telescopic structures are inclined downwards towards the direction away from the axis of the sampling tube, and the telescopic directions of the second telescopic structures are inclined upwards towards the direction away from the axis of the sampling tube; one end of each first push spring acts on the lower end of the corresponding first push rod, and the other end of each first push spring acts on the upper end of the corresponding second push rod; one end of each second push spring acts on the lower end of the corresponding second push rod, and the other end of each second push spring acts on the upper end of the corresponding third push rod: the upper end of each first push rod is connected. with the upper end of the sampling tube through a connecting structure, and each connecting structure enables the corresponding first push rod and the sampling tube to keep in a relatively static state: and the lower end of each third push rod penetrates through the sampling tube and is fixedly connected with the corresponding piston.
The working principle of the soil sampling terminal is as follows: When the soil sampling terminal works, firstly, the sampling tube stretches into the soil, the soil enters the sampling tube from an inlet in the lower end of the sampling tube in the process of stretching into the soil, the soil moves upwards relative to the sampling tube along with continuous downward stretching of the sampling tube, and the pistons are pushed to move upwards; the third push rods are driven to obliquely move upwards in the telescopic directions of the second telescopic structures and the second push springs are compressed while the pistons move upwards; under the action of the third push rods, the second push rods also obliquely move upwards in the telescopic directions of the first telescopic structures, and the first push springs are compressed; when the sampling tube stretches to a specified depth, the pistons reach predetermined positions, at the moment, the pistons are locked by the locking
-3- mechanism, so that the pistons are fixed in the sampling tube, then the sampling tube gradually leaves the soil, the sampled soil leaves the soil along with the sampling tube in the sampling tube, then the sampling tube is moved to a specified place, and the sampled soil in the sampling tube is taken out; when the sampled soil is taken out, the pistons are loosened by the locking mechanism, the first push springs and the second push springs recover, the elastic force of the first push springs drives the second push rods to obliquely move downwards in the telescopic directions of the first telescopic structures, and the elastic force of the second push springs drives the third push rods to obliquely move downwards in the telescopic directions of the second telescopic structures; and therefore. the pistons are driven to move downwards. the soil in the sampling tube is pushed to be discharged from the sampling tube, and the soil is automatically taken out.
Preferably, each first telescopic structure comprises a first guide hole which is formed in the lower end of the corresponding first push rod and is in sliding fit with the upper end of the corresponding second push rod, and each first guide hole obliquely extends upwards along the axis of the corresponding first push rod; and each second telescopic structure comprises a second guide hole which is formed in the lower end of the corresponding second push rod and is in sliding fit with the upper end of the corresponding third push rod. and each second guide hole obliquely extends upwards along the second telescopic rod. The structure is adopted, and by setting the guide holes, the stability of movement among the first push rods, the second push rods and the third push rods can be ensured.
In a preferred embodiment of the present disclosure, each push driving assembly further comprises a sliding block which is arranged at the lower end of the corresponding third push rod and is in sliding fit with the outer wall of the sampling tube; and the sliding blocks, the pistons and the third push rods move synchronously. By setting the sliding blocks, the movement stability of the pistons can be further guaranteed, in addition, in the soil sampling process, the sliding blocks, the pistons and third push rods move downwards together, the sliding blocks can scrape off soil adhering to the outer wall of the sampling tube, and the effect of cleaning the sampling tube is achieved.
Preferably, avoidance grooves used for avoiding the third push rods are formed, at the joints of the pistons and the third push rods, in the sampling tube, and the avoidance grooves extend along the moving directions of the pistons. By setting the avoidance grooves, the third push rods can penetrate through the avoidance grooves to be connected with the pistons.
Preferably, there are three groups of push driving assemblies, and the three groups of push driving assemblies are arranged in a circumferential array around the axis of the sampling tube.
The three groups of push driving assemblies can enable the pistons to be stressed more uniformly, and the movement stability of the pistons is improved.
-4- Preferably, the locking mechanism is an electromagnetic device, and comprises electromagnetic coils arranged inside the pistons. The electromagnetic coils are switched on to generate magnetic fields, and then the pistons and the sampling tube generate magnetic force, so that the pistons are adsorbed on the inner wall of the sampling tube: therefore, after the soil is collected by the sampling tube. the pistons are locked on the inner wall of the sampling tube through the electromagnetic device until the sampled soil needs to be collected, the currents of the electromagnetic coils are turned off. the pistons lose magnetism, the pistons push the soil downwards under the driving of the push driving assemblies, and automatic soil sampling is achieved.
The soil sampling equipment comprises a walking chassis, a soil sampling terminal, an adjustment driving mechanism which is arranged between the soil sampling terminal and the walking chassis and used for adjusting the soil sampling terminal to move in multiple dimensions, a soil detection device used for detecting soil, a control device and a power supply device, wherein the adjustment driving mechanism comprises a base arranged on the walking chassis, a swinging arm connected between the base and the soil sampling terminal, a vertical driving mechanism for driving the swinging arm to swing in the vertical direction, a horizontal driving mechanism for driving the base to rotate along the horizontal direction and a power mechanism used for driving the soil sampling terminal to be inserted into the soil; and the soil detection device comprises a soil sampling box arranged on the walking chassis, a plurality of soil centrifugal machines arranged in the soil sampling box and PH value sensors which are arranged on the soil centrifugal machines and used for detecting the PH value of the sampled soil.
In a preferred embodiment of the present disclosure, the swinging arm is a two-stage swinging arm composed of a swing arm and a movable arm; wherein the swing arm is arranged between the base and the movable arm, one end of the swing arm is hinged to the base, the other end of the swing arm is hinged to the movable arm, and the sampling tube is arranged at the tail end of the movable arm. By setting the two-stage swinging arm, multi-stage movement of the sampling tube can be realized. and the movement flexibility of the sampling tube is improved.
Preferably, the vertical driving mechanism comprises a swing arm air cylinder used for driving the swing arm to swing around the base and a movable arm air cylinder used for driving the movable arm to swing around the swing arm; wherein one end of the swing arm air cylinder is hinged to the base, and the other end of the swing arm air cylinder is hinged to the middle part of the swing arm; and one end of the movable arm air cylinder is hinged to the middle part of the swing arm, and the other end of the movable arm air cylinder is hinged to
-5- the middle part of the movable arm. By setting the swing arm air cylinder and the movable arm air cylinder, the swing arm can swing around a hinge point on the base, the movable arm can swing around the hinge point of the swing arm, and therefore multi-stage movement of the sampling tube is achieved.
Preferably, the power mechanism comprises a telescopic air cylinder arranged between the movable arm and the sampling tube, a cylinder body of the telescopic air cylinder is connected with the tail end of the movable arm, and a telescopic rod of the telescopic air cylinder is connected with the upper end of the sampling tube. The telescopic air cylinder drives the telescopic rod to stretch out and draw back, so that the sampling tube can stretch into or be pulled out of the soil.
Preferably, a rotating motor is arranged between the sampling tube and the telescopic rod of the telescopic air cylinder, a rotating shaft of the rotating motor is connected with the upper end of the sampling tube, and a motor body of the rotating motor is connected with the telescopic rod. By setting the rotating motor, the sampling tube can be driven to rotate, and when the sampling tube enters the soil, the sampling tube can enter the soil more easily through rapid rotation.
Further, a connecting frame is arranged on the periphery of the rotating motor, the lower end of the connecting frame is fixedly connected with the upper end of a fixed mount, and the upper end of the connecting frame is rotationally connected with the telescopic rod of the telescopic air cylinder. By setting the structure, the soil sampling device is more stable during rotation, and rigid connection between structures is guaranteed.
Preferably, a bearing is arranged on the telescopic rod of the telescopic air cylinder, an inner ring of the bearing is fixedly connected with the telescopic rod of the telescopic air cylinder, and an outer ring of the bearing is connected with the upper ends of the first push rods; and connecting structures are formed through the connected relations among the bearing, the telescopic rod of the telescopic air cylinder, the rotating motor and the first push rods. By setting the bearing, on one hand, when the rotating motor drives the sampling tube to rotate, the push driving assemblies are also driven to rotate, and synchronous rotation of the sampling tube and the push driving assemblies can be achieved through the bearing; and on the other hand, the space can be fully utilized by the push driving assemblies, so that the structure becomes more compact, the length of the sampling tube can be shortened, and the manufacturing cost is reduced.
Preferably, a cutter head is arranged at the lower end of the sampling tube, consists of three fan-shaped blades which are intilted, and is detachably connected with the sampling tube.
By setting the cutter head, the cutter head is driven to rotate in the rotating process of the sampling tube, the soil can be stirred to be loose, and therefore the sampling tube can stretch
-6- into the soil better.
Preferably, a first hinge rod is rotationally arranged at the bottom of the base; the swing arm comprises two first wall plates which are oppositely arranged in parallel, a second hinge rod, a third hinge rod, a fourth hinge rod, a fifth hinge rod and first fixed plates, wherein the second hinge rod, the third hinge rod, the fourth hinge rod and the fifth hinge rod are sequentially and rotationally arranged between the two first wall plates, and the first fixed plates are arranged at the front ends and the rear ends of the first wall plates and used for fixing the two first wall plates; the movable arm comprises two second wall plates which are oppositely arranged in parallel. a sixth hinge rod, a seventh hinge rod, an eighth hinge rod and second fixed plates, wherein the sixth hinge rod, the seventh hinge rod and the eighth hinge rod are sequentially and rotationally arranged between the two second wall plates, and the second fixed plates are arranged at the front ends and the rear ends of the second wall plates and used for fixing the two second wall plates; wherein the swing arm is hinged to the base through the second hinge rod, and the swing arm 1s hinged to the movable arm through the fifth hinge rod: one end of the swing arm air cylinder is fixedly connected with the first hinge rod, and the other end of the swing arm air cylinder is fixedly connected with the third hinge rod; one end of the movable arm air cylinder is fixedly connected with the fourth hinge rod, and the other end of the movable arm air cylinder is fixedly connected with the sixth hinge rod; the cylinder body of the telescopic air cylinder is connected with the eighth hinge rod, a driving air cylinder used for driving the telescopic air cylinder to rotate around the eighth hinge rod is arranged between the telescopic air cylinder and the seventh hinge rod, one end of the driving air cylinder is fixedly connected with the cylinder body of the telescopic air cylinder, and the other end of the driving air cylinder is fixedly connected with the seventh hinge rod. By setting the hinge rods, the hinge function between the first wall plates and the base and the hinge function between the first wall plates and the second wall plates can be achieved, the hinge function of the swing arm air cylinder and the movable arm air cylinder is also facilitated, and meanwhile, the structure is also more compact; and by setting the driving air cylinder, the three-stage swinging function of the sampling tube is achieved, and the movement flexibility of the sampling tube is further improved.
Preferably, the horizontal driving mechanism comprises a horizontal air cylinder which is horizontally arranged, one end of the horizontal air cylinder is hinged to the chassis frame, and the other end of the horizontal air cylinder is hinged to the outer end of the base. By setting the horizontal air cylinder, rotation of the base can be achieved, and then rotation of the adjustment driving mechanism is achieved.
In a preferred embodiment of the present disclosure, the control device is a wireless control device, and comprises a mobile workstation used for sending out an instruction signal.
-7- a control panel which is arranged on the walking chassis and used for receiving and sending an instruction, drivers and a relay which are used for executing the instruction, and an electromagnetic valve set used for controlling air cylinders; the power supply device comprises a generator and a lithium battery; and the generator is used for charging the lithium battery, the lithium battery provides voltage for the control panel and the relay, and the relay is connected with the electromagnetic valve set. By adopting the structure, the sampling operation of the soil sampling device is realized through the mobile workstation, the control panel and the drivers; and the electromagnetic valve set changes the direction of an air flow by receiving relay power-on and power-off commands, and telescopic movement of different air cylinders is achieved.
In a preferred embodiment of the present disclosure, the walking chassis is a wheel type walking chassis. and comprises a chassis frame, walking wheels arranged on the two sides of the chassis frame, anti-collision beams arranged at the front end and the rear end of the chassis frame and driving motors used for controlling the walking wheels to advance, retreat and steer; and the adjustment driving mechanism, the soil detection device, the control device and the power supply device are all arranged on the chassis frame. By adopting the wheel type walking chassis, the wheel type walking chassis has better suitability for harder workplaces with smaller surface undulations.
Compared with the prior art, the soil sampling terminal and the soil sampling equipment have the following beneficial effects: Firstly, according to the soil sampling terminal in the present disclosure, by setting multiple groups of push driving assemblies, in the sampling process, the sampling tube continuously stretches into the soil downwards, the soil in the sampling tube pushes the pistons to move upwards, and while the pistons move upwards, the third push rods are driven to obliquely move upwards along the telescopic directions of the second telescopic structures, and the second push springs are compressed; the second push rods are driven to obliquely move upwards in the telescopic directions of the first telescopic structures, and the first push springs are compressed; after the soil is collected completely, the pistons are locked by the locking mechanism, when the collected soil needs to be taken out, the pistons are loosened by the locking mechanism, and the first push springs and the second push springs are restored; the elastic force of the first push springs drives the second push rods to obliquely move downwards along the telescopic directions of the first telescopic structures, and the elastic force of the second push springs drives the third push rods to obliquely move downwards along the telescopic directions of the second telescopic structures, so that the pistons are driven to move downwards, and the soil in the sampling tube is pushed to be discharged from the sampling tube; and after the soil is collected by the soil sampling terminal completely,
-8- automatic soil sampling can be realized, and soil collection is simple and convenient.
Secondly, according to the soil sampling terminal in the present disclosure, the soil can be automatically collected and automatically taken out from the sampling tube, so that the soil collection efficiency is higher.
3
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to FIG. 3 are structural schematic diagrams of a first specific embodiment of a soil sampling terminal in the present disclosure, wherein FIG. 1 is a top view, FIG. 2 is a front view, and FIG. 3 is a space diagram.
FIG. 4 to FIG. 7 are structural schematic diagrams of a first embodiment of soil sampling equipment in the present disclosure, wherein FIG. 4 is a space diagram, FIG. 5 is a space diagram in another viewing angle direction, FIG. 6 is a top view, and FIG. 7 is a bottom view.
FIG. 8 to FIG. 10 are structural schematic diagrams of an adjustment driving mechanism of the soil sampling equipment in the present disclosure, wherein FIG. 8 is a front view, FIG. 9 isa space diagram, and FIG. 10 is a space diagram in another viewing angle direction.
FIG. 11 is a solid structural schematic diagram of the connection between the soil sampling terminal and a telescopic air cylinder in the present disclosure.
FIG. 12 is a solid structural schematic diagram of a connecting structure of a second specific embodiment of the soil sampling terminal in the present disclosure.
FIG. 13 is a solid structural schematic diagram of a locking structure of a third specific embodiment of the soil sampling terminal in the present disclosure.
FIG. 14 is a solid structural schematic diagram of a walking chassis of a fourth specific embodiment of the soil sampling equipment in the present disclosure. FIG. 15 is a solid structural schematic diagram of a control device of a fifth specific embodiment of the soil sampling equipment in the present disclosure.
DETAILED DESCRIPTION In order for those skilled in the art to better understand the technical solution of the present disclosure, the present disclosure is further described below in combination with the embodiments and accompanying diagrams, but description of the present disclosure is not limited thereto. Embodiment I Referring to FIG. 1 to FIG. 3, a soil sampling terminal disclosed in the embodiment comprises a sampling tube 1 used for collecting soil and a soil push-out mechanism which is arranged on the sampling tube 1 and used for pushing out sampled soil, wherein the soil push- out mechanism comprises pistons 2 which are arranged in the sampling tube 1 and are in
-9- sliding fit with the inner wall of the sampling tube 1, a push driving mechanism used for driving the pistons 2 to move in the sampling tube 1, and a locking mechanism used for locking the pistons 2 after the soil is colleted by the sampling tube 1: wherein Referring to FIG. 1 to FIG. 3, the push driving mechanism comprises at least three groups of push driving assemblies 3 arranged outside the sampling tube 1, and the three groups of push driving assemblies 3 are arranged in a circumferential array around the axis of the sampling tube 1; each group of push driving assemblies 3 comprises a first push rod 3-1 located on the upper portion, a third push rod 3-3 located on the lower portion, a second push rod 3-2 arranged between the corresponding first push rod 3-1 and the corresponding third push rod 3-3, a first push spring 3-4 and a second push spring 3-5 which are used for driving the corresponding second push rod 3-2 and the corresponding third push rod 3-3 to move, and a sliding block 3-6 arranged at the lower end of the corresponding third push rod 3-3; wherein each first push rod 3-1 and the corresponding second push rod 3-2 are connected through a first telescopic structure, each second push rod 3-2 and the corresponding third push rod 3-3 are connected through a second telescopic structure, the telescopic directions of the first telescopic structures are inclined downwards towards the direction away from the axis of the sampling tube 1, and the telescopic directions of the second telescopic structures are inclined upwards towards the direction away from the axis of the sampling tube 1; each first telescopic structure comprises a first guide hole 3-7 which is formed in the lower end of the corresponding first push rod 3-2 and is in sliding fit with the upper end of the corresponding second push rod 3-2, and each first guide hole 3-7 obliquely extends upwards along the axis of the corresponding first push rod 3-1; each second telescopic structure comprises a second guide hole 3-8 which is formed in the lower end of the corresponding second push rod 3-2 and is in sliding fit with the upper end of the corresponding third push rod 3-3, and each second guide hole 3-8 obliquely extends upwards along the axis of the second telescopic rod; a fixed block 4 is arranged at the lower end of each first push rod 3-1, one end of each first push spring 3-4 acts on the corresponding fixed block 4, and the other end of each first push spring 3-4 acts on the upper end of the corresponding second push rod 3-2; each second push spring 3-5 sleeves the corresponding third push rod 3-3, one end of each second push spring 3-5 acts on the lower end of the corresponding second push rod 3-2, and the other end of each second push spring 3- 5 acts on the upper end of the corresponding third push rod 3-3; the upper end of each first push rod 3-3 is connected with the upper end of the sampling tube 1 through a connecting structure, and each connecting structure enables the corresponding first push rod 3-1 and the sampling tube 1 to keep in a relatively static state; and the lower end of each third push rod 3-3 penetrates through the sampling tube 1 and is fixedly connected with the corresponding piston 2: and the sliding blocks 3-6 are in sliding fit with the outer wall of the sampling tube 1. and
-10- the sliding blocks 3-6, the pistons 2 and the third push rods 3-3 move synchronously. The three groups of push driving assemblies 3 can enable the pistons 2 to be stressed more uniformly, and the movement stability of the pistons 2 is improved: by setting the sliding blocks 3-6, the movement stability of the pistons 2 can be further guaranteed, in addition, in the soil sampling process, the sliding blocks 3-6, the pistons 2 and third push rods 3-3 move downwards together, the sliding blocks 3-6 can scrape off soil adhering to the outer wall of the sampling tube, and the effect of cleaning the sampling tube 1 is achieved: and by setting the guide holes, the stability of movement among the first push rods, 3-1 the second push rods 3-2 and the third push rods 3-3 can be ensured.
Preferably, avoidance grooves 5 used for avoiding the third push rods 3-3 are formed, at the joints of the pistons 2 and the third push rods 3-3, in the sampling tube 1, and the avoidance grooves 3 extend along the moving directions of the pistons 2. By setting the avoidance grooves 5, the third push rods 3-3 can penetrate through the avoidance grooves 5 to be connected with the pistons 2.
Preferably, the locking mechanism is an electromagnetic device, and comprises electromagnetic coils arranged inside the pistons 2. The electromagnetic coils are switched on to generate magnetic fields, and then the pistons 2 and the sampling tube 1 generate magnetic force. so that the pistons 2 are adsorbed on the inner wall of the sampling tube 1; therefore, after the soil is collected by the sampling tube 1, the pistons 2 are locked on the inner wall of the sampling tube 1 through the electromagnetic device until the sampled soil needs to be collected, the currents of the electromagnetic coils are turned off, the pistons 2 lose magnetism, the pistons 2 push the soil downwards under the driving of the push driving assemblies 3, and automatic soil sampling is achieved; and specifically, the battery device provides current for the electromagnetic device to lock the pistons according to an accurate value calculated by a computer.
Referring to FIG. 4 to FIG. 7, soil sampling equipment disclosed in the embodiment comprises a walking chassis 6, a soil sampling terminal, an adjustment driving mechanism 7 which is arranged between the soil sampling terminal and the walking chassis 6 and used for adjusting the soil sampling terminal to move in multiple dimensions, a soil detection device 8 used for detecting soil, a control device 9 and a power supply device 10.
Referring to FIG. 4 to FIG. 7, the walking chassis 6 is a wheel type walking chassis, and comprises a chassis frame 6-1, walking wheels 6-2 arranged on the two sides of the chassis frame 6-1, anti-collision beams 6-3 arranged at the front end and the rear end of the chassis frame 6-1 and driving motors 6-4 used for controlling the walking wheels 6-2 to advance, retreat and steer; and the adjustment driving mechanism 7. the soil detection device 8, the control device 9 and the power supply device 10 are all arranged on the chassis frame 6-1. By
-11- adopting the wheel type walking chassis 6. the wheel type walking chassis 6 has better suitability for harder workplaces with smaller surface undulations.
Referring to FIG. 4 to FIG. 10, the adjustment driving mechanism 7 comprises a base 7-1 arranged on the walking chassis 6, a swinging arm connected between the base 7-1 and the soil sampling terminal, a vertical driving mechanism for driving the swinging arm to swing in the vertical direction, a horizontal driving mechanism for driving the base 7-1 to rotate along the horizontal direction and a power mechanism used for driving the soil sampling terminal to be inserted into the soil; Referring to FIG. 4 to FIG. 10, the swinging arm is a two-stage swinging arm composed of a swing arm 7-2 and a movable arm 7-3; wherein the swing arm 7-2 is arranged between the base 7-1 and the movable arm 7-3, one end of the swing arm 7-2 is hinged to the base 7-1, the other end of the swing arm 7-2 is hinged to the movable arm 7-3, and the sampling tube 1 is arranged at the tail end of the movable arm 7-3. By setting the two-stage swinging arm, multi- stage movement of the sampling tube | can be realized, and the movement flexibility of the sampling tube 1 is improved.
Referring to FIG. 4 to FIG. 10, the vertical driving mechanism comprises a swing arm air cylinder 7-4 used for driving the swing arm 7-2 to swing around the base 7-1 and a movable arm air cylinder 7-5 used for driving the movable arm 7-3 to swing around the swing arm 7-2; wherein one end of the swing arm air cylinder 7-4 is hinged to the base 7-1, and the other end ofthe swing am air cylinder 7-4 is hinged to the middle part of the swing arm 7-2; one end of the movable arm air cylinder 7-5 is hinged to the middle part of the swing arm 7-2, and the other end of the movable arm air cylinder 7-5 is hinged to the middle part of the movable arm 7-3. By setting the swing arm air cylinder 7-4 and the movable arm air cylinder 7-3, the swing arm 7-2 can swing around a hinge point on the base 7-1, the movable arm 7-3 can swing around the hinge point of the swing arm 7-2, and therefore multi-stage movement of the sampling tube 1 is achieved.
Referring to FIG. 4 to FIG. 10, the power mechanism comprises a telescopic air cylinder 7-6 arranged between the movable arm 7-3 and the sampling tube 1, a cylinder body of the telescopic air cylinder 7-6 is connected with the tail end of the movable arm 7-3, and a telescopic rod of the telescopic air cylinder 7-6 is connected with the upper end of the sampling tube 1. The telescopic air cylinder 7-6 drives the telescopic rod to stretch out and draw back, so that the sampling tube 1 can stretch into or be pulled out of the soil.
Referring to FIG. 1 to FIG. 3 and FIG. 11. a rotating motor 7-7 is arranged between the sampling tube 1 and the telescopic rod of the telescopic air cylinder 7-6, a rotating shaft of the rotating motor 7-7 is connected with the upper end of the sampling tube 1. and a motor body of the rotating motor 7-7 is connected with the telescopic rod.
By setting the rotating motor 7-7,
-12- the sampling tube 1 can be driven to rotate, and when the sampling tube 1 enters the soil, the sampling tube 1 can enter the soil more easily through rapid rotation.
Referring to FIG. 1 to FIG. 3 and FIG. 11, a connecting frame 11 is arranged on the periphery of the rotating motor 7-7, the connecting frame 11 comprises a connecting plate 11-1 located at the upper end and four connecting rods 11-2 located at the lower end, the four connecting rods 11-2 are arranged in a circumferential array along the axis of the sampling tube 1, the upper ends of the four connecting rods 11-2 are fixedly connected with the connecting plate 11-1, the lower ends of the four connecting rods 12-2 are fixedly connected with the fixed blocks 114, and the connecting plate 12-1 is rotationally connected to the telescopic rod of the telescopic air cylinder 7-6. By setting the structure, the soil sampling terminal is more stable during rotation, and rigid connection between structures is guaranteed.
Referring to FIG. 1 to FIG. 3 and FIG. 11, a bearing 12 is arranged on the telescopic rod of the telescopic air cylinder 7-6, an inner ring of the bearing 12 is fixedly connected with the telescopic rod of the telescopic air cylinder 7-6, and an outer ring of the bearing 12 is connected with the upper ends of the first push rods 3-1; and connecting structures are formed through the connected relations among the bearing 12, the telescopic rod of the telescopic air cylinder 7-6, the rotating motor 7-7 and the first push rods 3-1. By setting the bearing 12, on one hand. when the rotating motor 7-7 drives the sampling tube 1 to rotate, the push driving assemblies 3 are also driven to rotate, and synchronous rotation of the sampling tube 1 and the push driving assemblies 3 can be achieved through the bearing 12; and on the other hand, the space can be fully utilized by the push driving assemblies 3, so that the structure becomes more compact, the length of the sampling tube 1 can be shortened, and the manufacturing cost is reduced.
Referring to FIG. 11, a cutter head 13 is arranged at the lower end of the sampling tube 1, consists of three fan-shaped blades which are intilted, and is detachably connected with the sampling tube 1. By setting the cutter head 13, the cutter head 13 is driven to rotate in the rotating process of the sampling tube 1, the soil can be stirred to be loose, and therefore the sampling tube 1 can stretch into the soil better.
Referring to FIG. 8 to FIG. 10, a first hinge rod 7-11 is rotationally arranged at the bottom of the base 7-1; the swing arm 7-2 comprises two first wall plates 7-21 which are oppositely arranged in parallel, a second hinge rod 7-22, a third hinge rod 7-23, a fourth hinge rod 7-24, a fifth hinge rod 7-25 and first fixed plates 7-26, wherein the second hinge rod 7-22, the third hinge rod 7-23, the fourth hinge rod 7-24 and the fifth hinge rod 7-25 are sequentially and rotationally arranged between the two first wall plates 7-21. and the first fixed plates 7-26 are arranged at the front ends and the rear ends of the first wall plates 7-21 and used for fixing the two first wall plates 7-21; the movable arm 7-3 comprises two second wall plates 7-31 which
-13- are oppositely arranged in parallel, a sixth hinge rod 7-32, a seventh hinge rod 7-33, an eighth hinge rod 7-34 and second fixed plates 7-35, wherein the sixth hinge rod 7-32, the seventh hinge rod 7-33 and the eighth hinge rod 7-34 are sequentially and rotationally arranged between the two second wall plates 7-31, and the second fixed plates 7-35 are arranged at the front ends and the rear ends of the second wall plates 7-31 and used for fixing the two second wall plates 7-31; wherein the swing arm 7-2 is hinged to the base 7-1 through the second hinge rod 7-22. and the swing arm 7-2 is hinged to the movable arm 7-3 through the fifth hinge rod 7-25: one end of the swing arm air cylinder 7-4 is fixedly connected with the first hinge rod 7- 11, and the other end of the swing arm air cylinder 7-4 is fixedly connected with the third hinge rod 7-23; one end of the movable arm air cylinder 7-5 is fixedly connected with the fourth hinge rod 7-24, and the other end of the movable arm air cylinder 7-5 is fixedly connected with the sixth hinge rod 7-32: the cylinder body of the telescopic air cylinder 7-6 is connected. with the eighth hinge rod. 7-34. a driving air cylinder 7-8 used for driving the telescopic air cylinder 7-6 to rotate around the eighth hinge rod 7-34 is arranged between the telescopic air cylinder 7-6 and the seventh hinge rod 7-33, one end of the driving air cylinder 7-8 is fixedly connected with the cylinder body of the telescopic air cylinder 7-6, and the other end of the driving air cylinder 7-8 is fixedly connected with the seventh hinge rod 7-33. By setting the hinge rods, the hinge function between the first wall plates 7-21 and the base 7-1 and the hinge function between the first wall plates 7-21 and the second wall plates 7-31 can be achieved, the hinge function of the swing arm air cylinder 7-4 and the movable arm air cylinder 7-5 is also facilitated, and meanwhile, the structure is also more compact; and by setting the driving air cylinder 7-8, the three-stage swinging function of the sampling tube 1 is achieved, and the movement flexibility of the sampling tube 1 is further improved.
Referring to FIG. 4 to FIG. 7, the horizontal driving mechanism comprises a horizontal air cylinder 7-9 which is horizontally arranged, one end of the horizontal air cylinder 7-9 is hinged to the chassis frame 6-1, and the other end of the horizontal air cylinder 7-9 is hinged to the outer end of the base 7-1. By setting the horizontal air cylinder 7-9, rotation of the base 7-1 can be achieved, and then rotation of the adjustment driving mechanism 7 is achieved.
Referring to FIG. 4 to FIG. 7, the soil detection device 8 comprises a soil sampling box 8- 1 arranged on the walking chassis 6, a plurality of soil centrifugal machines 8-2 arranged in the soil sampling box 8-1 and PH value sensors which are arranged on the soil centrifugal machines 8-2 and used for detecting the PH value of the sampled soil.
By setting the structure, when the soil is collected by the soil sampling terminal, the soil is put into the soil centrifugal machines 8-2. the soil centrifugal machines 8-2 rotate at a set differential speed. the sampled sol is screened and mixed under the action of the soil centrifugal machines 8-2, finally, the pH value sensors are used for measuring the pH value of the soil, and data obtained by the PH
-14- value sensors is transmitted back to the control device 9 for integrated analysis.
Referring to FIG. 4 to FIG. 7, the control device 9 is a wireless control device 9, and comprises a mobile workstation used for sending out an instruction signal, a control panel 9-1 which is arranged on the walking chassis 6 and used for receiving and sending an instruction,
drivers 9-2 and a relay which are used for executing the instruction, and an electromagnetic valve set 9-3 used for controlling air cylinders; the power supply device 10 comprises a generator 10-1 and a lithium battery 10-2; and the generator 10-1 is used for charging the lithium battery 10-2, the lithium battery 10-2 provides voltage for the control panel 9-1 and the relay, and the relay is connected with the electromagnetic valve set 9-3. By adopting the structure, the sampling operation of the soil sampling terminal is realized through the mobile workstation, the control panel 9-1 and the drivers 9-2; and the electromagnetic valve set 9-3 changes the direction of an air flow by receiving relay power-on and power-off commands, and telescopic movement of different air cylinders is achieved.
Specifically, firstly, an interface of the mobile workstation is opened, the generator 10-1 is started, the generator 10-1 charges the lithium battery 10-2, the lithium battery 10-2 provides voltage for the control panel 9-1 and the relay, a sampling person controls advancing, retreating and steering of a sampling vehicle through the mobile workstation, the control driving motors 6-4 drive the sampling vehicle to reach a designated place. the horizontal air cylinder 7-9 drives a collection module to rotate horizontally, so that the swinging arm and the adjustment driving mechanism 7 move towards a specified direction; then the swing arm air cylinder 7-4 and the movable arm air cylinder 7-5 drive the swing arm 7-2 and the movable arm 7-3 to swing downwards respectively until the soil sampling terminal is vertical to the ground, then the telescopic air cylinder 7-6 drives the soil sampling terminal to move towards the soil, and meanwhile, the rotating motor 7-7 drives the soil sampling terminal to rotate, so that the soil sampling terminal gradually extends into the soil; after the sampled soil is collected by the soil sampling terminal, the power mechanism drives the soil sampling terminal to be pulled out of the soil, the swing arm air cylinder 7-4 and the movable arm air cylinder 7-5 drive the swing arm 7-2 and the movable arm 7-3 to swing upwards respectively, and the soil sampling terminal is driven by the horizontal air cylinder 7- 9 to move to the position above the soil sampling box 8-1 until the soil sampling terminal is aligned with inlets of the soil centrifugal machines 8-2; the sampled soil in the soil sampling terminal 1s placed in the soil centrifugal machines 8-2. the soil centrifugal machines 8-2 rotate at the set differential speed, the sampled soil is screened and mixed under the action of the soil centrifugal machines 8-2, finally, the PH value sensors are used for measuring the pH value of the soil, and data obtained by the PH value sensors is transmitted back to the control device 9 for integrated analysis.
The sampling vehicle is continuously moved to a next place according to a planned route, and the soil sampling operation is sequentially completed according to the
-15- steps.
Referring to FIG. 1 to FIG. 3, the working principle of the soil sampling terminal is as follows: When the soil sampling terminal works, firstly, the sampling tube 1 stretches into the soil, the soil enters the sampling tube 1 from an inlet in the lower end of the sampling tube 1 in the process of stretching into the soil, the soil moves upwards relative to the sampling tube 1 along with continuous downward stretching of the sampling tube 1, and the pistons 2 are pushed to move upwards; the third push rods 3-3 are driven to obliquely move upwards in the telescopic directions of the second telescopic structures and the second push springs 3-5 are compressed while the pistons 2 move upwards; under the action of the third push rods 3-3, the second push rods 3-2 also obliquely move upwards in the telescopic directions of the first telescopic structures, and the first push springs 3-4 are compressed; when the sampling tube 1 stretches to a specified depth, the pistons 2 reach predetermined positions, at the moment, the pistons 2 are locked by the locking mechanism, so that the pistons 2 are fixed in the sampling tube 1. then the sampling tube 1 gradually leaves the soil, the sampled soil leaves the soil along with the sampling tube 1 in the sampling tube 1. then the sampling tube 1 is moved to a specified place, and the sampled soil in the sampling tube 1 is taken out; when the sampled soil is taken out, the pistons 2 are loosened by the locking mechanism, the first push springs 3-4 and the second push springs 3-5 recover, the elastic force of the first push springs 3-4 drives the second push rods 3-2 to obliquely move downwards in the telescopic directions of the first telescopic structures, and the elastic force of the second push springs 3-5 drives the third push rods to obliquely move downwards in the telescopic directions of the second telescopic structures; and therefore, the pistons 2 are driven to move downwards, the soil in the sampling tube 1 is pushed to be discharged from the sampling tube 1, and the soil is automatically taken out.
Embodiment 11 Referring to FIG. 12, other structures in the embodiment are the same as those in Embodiment I, and the difference lies in that the upper ends of the first push rods 3-1 are fixedly connected with the outer wall of the upper end of the sampling tube 1, and the connecting structures are formed through fixed connection.
Through the structure, the sampling tube 1 and the first push rods 3-1 can be kept in a relatively static state; when the sampling tube 1 is driven to rotate. the push driving assemblies 3 and the sampling tube 1 are kept relatively static in the rotating direction, so that the sampling tube 1 rotates, and meanwhile, the movement of the push driving assemblies 3 is not influenced.
Embodiment 111 Referring to FIG. 13, other structures in the embodiment are the same as those in Embodiment I, and the difference lies in that the locking mechanism comprises three groups of
-16- locking assemblies arranged at the upper end of the sampling tube 1, and the three groups of locking assemblies are arranged in a circumferential array along the axis of the sampling tube 1; and each group of locking assemblies comprises a locking piece 14 which penetrates through the sampling tube | and extends towards the center of the circumferential array. and a locking driving mechanism 15 for driving the corresponding locking piece 14 to stretch into the sampling tube 1 or stretch out of the sampling tube 2. By adopting the structure, when the sampling tube 1 stretches into the soil, the pistons 2 move upwards under the pushing of the soil, and when the pistons 2 move to the heights exceeding the heights of the locking pieces 14, the locking driving mechanisms 15 drive the locking pieces 14 to starch into the sampling tube 1 at the same time, so that the pistons 2 are propped against the interior of the sampling tube 1; and when the soil in the sampling tube 1 needs to be taken out, the locking driving mechanisms 15 drive the locking pieces 14 to stretch out of the sampling tube, and the pistons 2 are driven by the pushing driving assemblies 3 to move downwards to push out the soil in the sampling tube 1. Embodiment IV Referring to FIG. 14, other structures in the embodiment are the same as those in Embodiment I, and the difference lies in that the walking chassis 6 is a crawler type walking chassis, and comprises a chassis frame 6-1, crawlers 6-5 arranged on the two sides of the chassis frame 6-1, anti-collision beams 6-3 arranged at the front end and the rear end of the chassis frame 6-1 and control driving motors 6-4 used for controlling the walking wheels 6-2 to advance, retreat and steer; and the adjustment driving mechanism 7, the soil detection device 8, the control device 9 and the power supply device 10 are all arranged on the chassis frame 6-
1. By adopting the crawler 6-5 type walking chassis 6, the ground gripping capacity is good, the climbing capacity is high, the contact area between the crawler type walking chassis 6 and the ground is large, and the crawler type walking chassis 6 has good adaptability to soft operation places with complex terrains. Embodiment V Referring to FIG. 15, other structures in the embodiment are the same as those in Embodiment I, and the difference lies in that the control device 9 comprises a cab 9-4 arranged on the chassis frame 6-1, joysticks 9-5 arranged in the cab 9-4, a console 9-6 and drivers 9-2; the joysticks 9-5 are used for sending out an instruction signal. and the control driving motors 6-4 are controlled through the drivers 9-2 to realize advancing, retreating and steering of the sampling vehicle; and the console 9-6 controls the adjustment driving mechanism 7, the soil sampling device and the soil detection device 8 through the drivers 9-2 to realize soil collection and detection. Embodiment VI
-17- Other structures in the embodiment are the same as those in Embodiment 1 and the difference lies in that the power mechanism comprises an electric push rod arranged between the movable arm 7-3 and the sampling tube 1, a shell of the electric push rod is connected with the tail end of the movable arm 7-3, and a telescopic rod of the electric push rod is fixedly connected with the upper end of the sampling tube. The telescopic cylinder drives the telescopic rod to stretch out and draw back, and then the soil sampling terminal can stretch into or be pulled out of the soil.
Embodiment VII Other structures in the embodiment are the same as those in Embodiment I, and the difference lies in that the horizontal driving mechanism comprises a horizontal motor arranged at the bottom of the chassis frame 6-1 and a transmission mechanism arranged between the horizontal motor and the base 7-1 and used for transmitting power of the horizontal motor to the base 7-1. By setting the horizontal motor, rotation of the base 7-1 also can be achieved, and then horizontal rotation of the adjustment driving mechanism 7 is achieved.
The above embodiments are the preferable embodiments of the present disclosure but not restrict the present disclosure, and any other spirits without deviating from the present disclosure and changes, modifications, replacements, combinations and simplifications made under principles all should be equivalent displacement manners, and are all included in the scope of the present disclosure.
Claims (10)
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| CN202010570524.XA CN111707494A (en) | 2020-06-18 | 2020-06-18 | Soil sampling terminal and soil sampling equipment |
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| NL2027806A NL2027806A (en) | 2021-06-04 |
| NL2027806B1 true NL2027806B1 (en) | 2022-06-03 |
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| CN112647482A (en) * | 2020-12-21 | 2021-04-13 | 安徽太基建设工程股份有限公司 | Be used for pile foundation to punch with device that fetches earth |
| CN113959773B (en) * | 2021-11-10 | 2023-09-26 | 驻马店市绿化处 | Soil matrix sampling analysis device for landscaping cultivation management |
| CN114235487A (en) * | 2022-02-17 | 2022-03-25 | 广州云舟智慧城市勘测设计有限公司 | Manipulator for geological survey |
| CN116908244B (en) * | 2023-09-13 | 2023-12-22 | 四川省林业和草原调查规划院 | Sampling device for forestry ecological protection |
| CN116952651B (en) * | 2023-09-20 | 2023-12-12 | 山东省煤田地质规划勘察研究院 | Soil sampling device and measuring and positioning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4989678A (en) * | 1989-12-01 | 1991-02-05 | Martin Marietta Energy Systems, Inc. | Soil sampling kit and a method of sampling therewith |
| US6098725A (en) * | 1998-08-17 | 2000-08-08 | Soilcore, Inc. | Soil sampling device with frangible section and method of sampling |
| JP3229966B2 (en) * | 1999-02-04 | 2001-11-19 | 農林水産省北陸農業試験場長 | Soil sampler |
| CN202837025U (en) | 2012-10-19 | 2013-03-27 | 南京信息工程大学 | Uncompressed soil collecting device |
| CN209945766U (en) * | 2019-05-21 | 2020-01-14 | 赵玉军 | Chemical poison detection sampling device |
| CN210198759U (en) * | 2019-07-11 | 2020-03-27 | 王洋 | Geotechnical sampling device in geotechnical engineering |
| CN210571485U (en) * | 2019-09-04 | 2020-05-19 | 江西省天竹生态农业有限公司 | Solar energy soil acquisition and analysis equipment for ecological agriculture |
| CN210571487U (en) * | 2019-09-17 | 2020-05-19 | 郑州德森环境科技有限公司 | Soil sampler for earth drill |
| CN111175071A (en) * | 2020-01-06 | 2020-05-19 | 广州大学 | Multi-soil sampling robot |
| CN212646135U (en) * | 2020-06-18 | 2021-03-02 | 山东理工大学 | Soil sampling terminal and soil sampling equipment |
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| CN111707494A (en) | 2020-09-25 |
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