Soil environment detection sampling device

Abstract

The utility model relates to the field of sampling devices, in particular to a soil environment detection sampling device which comprises a sampling tube and an auxiliary sampling assembly, the auxiliary sampling assembly comprises a supporting structure, a sample pushing rod and a closed gripper; the arc-shaped hopper is mounted at the bottom of the sampling tube, so that the arc-shaped hopper is driven by the contraction of the spring damper when the sampling rod is pulled up, the sampling opening is automatically closed, and the loss of a soil sample is reduced; the sponge eraser at the bottom of the arc-shaped hopper can remove deposits on the surface layer of soil, a sample pushes the sample pushing rod to ascend in the rod in the downward pressing process of the sampling pipe, the sample is in a completely closed state after sampling is finished, secondary pollution is avoided, the sample pushing rod is more convenient to use when the sample is taken, and representativeness and integrity of the sample are ensured. The triangular steel chisel is installed on the outer side of the sampling device, the sampling device is fixed and supported by deep-pricking soil, the supporting frame can freely contract through rotary connection between the double lantern rings and the steel chisel, and carrying is easier.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device field especially relates to soil environment detection sampling device. BACKGROUND

[0002] Soil environment detection is used for evaluating pollution condition, and is the basic work of environmental protection, agricultural sustainable development and human health guarantee, and the soil environment detection sampling device is used for collecting soil sample, ensures the representativeness and integrity of sample, and guarantees the accuracy of subsequent detection.

[0003] In the prior soil environment detection sampling device, the soil surface accumulation needs to be removed in the process of use, if the surface impurities are not cleaned thoroughly, the sample is mixed, and when sampling, the sample is easy to shake off from the bottom and contact the environment, causing sample pollution, and the sampling terrain is staggered, causing the center of gravity to be unstable when sampling, so that the time and effort of turning over the soil for sampling are wasted, and the soil environment detection sampling device is designed for the above problems. UTILITY MODEL CONTENTS

[0004] The utility model overcomes the prior soil environment detection sampling device, in the process of use, the soil surface accumulation needs to be removed, if the surface impurities are not cleaned thoroughly, the sample is mixed, and when sampling, the sample is easy to shake off from the bottom and contact the environment, causing sample pollution, and the sampling terrain is staggered, causing the center of gravity to be unstable when sampling, so that the time and effort of turning over the soil for sampling are wasted.

[0005] The technical scheme of the utility model is soil environment detection sampling device, including sampling pipe, auxiliary sampling assembly, auxiliary sampling assembly includes support structure, push sampling rod and closed grab; the support structure for sampling stability is sleeved on the middle outer wall of the sampling pipe, the push sampling rod for adjusting the up-down displacement of sampling is arranged in the sampling pipe, and a plurality of groups of closed grabs for preventing pollution during overall sampling are arranged on the outer side of the lower part of the sampling pipe.

[0006] Preferably, the bottom of the sampling pipe is provided with an inclined sampling port, a push sampling hole for adjusting the push sampling rod is longitudinally arranged on the sampling pipe close to the position of the sampling handle, the sampling pipe is hollow, and a silica gel one-way valve is arranged in the sampling port.

[0007] Preferably, the top end of the push sampling rod is vertically connected with a push sampling handle, and the lower end of the push sampling rod is fixedly connected with a positioning push sampling tab.

[0008] Preferably, the support structure includes a first sleeve, a plurality of groups of adjustable steel drills are arranged on the edge of the bottom of the first sleeve, a second sleeve is coaxially arranged below the first sleeve, and a plurality of groups of support rods extending to the steel drills are arranged on the outer end of the second sleeve.

[0009] Preferably, the first sleeve is provided with a first connecting sleeve block between the steel drill rod, both ends of the support rod are provided with a second connecting sleeve block adjusted with the second sleeve and the steel drill rod, the first connecting sleeve block and the second connecting sleeve block both include buckles adjusted in opposite directions, the two groups of buckles are penetrated by an adjusting pin, and the outer side of the adjusting pin is provided with a rotating bolt for loose positioning.

[0010] Preferably, the closing clamp comprises a third sleeve, a plurality of arc-shaped buckets combined according to different terrains are arranged on the third sleeve in a peripheral direction, sponge wipers are fixedly connected to the bottoms of the arc-shaped buckets, a plurality of ring columns are arranged on the outer wall of the third sleeve in a peripheral direction, round rods are sleeved with the ring columns away from the third sleeve, spring return tension bolts are arranged between the round rods and the arc-shaped buckets, spring dampers are arranged in the spring return tension bolts, third sleeve blocks are arranged between the upper ends of the round rods and the ring sleeves, fourth sleeve blocks are arranged between the arc-shaped buckets and the third sleeve, the third sleeve blocks and the fourth sleeve blocks both include buckles adjusted in opposite directions, the two groups of buckles are penetrated by an adjusting pin, and the outer side of the adjusting pin is provided with a connecting bolt for loose positioning.

[0011] Preferably, a fixed sleeve block is arranged between the ring column and the third sleeve, the fixed sleeve block comprises insertion holes limiting each other, and the insertion holes are fixed by penetrating limiting bolts.

[0012] Compared with the prior art, the soil environment detection sampling device has the following beneficial effects:

[0013] Compared with the traditional sampling device, when the sampling pipe is lifted, the sample is easy to scatter, the arc-shaped bucket is arranged at the bottom of the sampling pipe, the arc-shaped bucket is driven by the contraction of the spring damper to realize automatic closing of the sampling port when the sampling rod is lifted, the loss of the soil sample is reduced, the arc-shaped bucket at the bottom of the sampling pipe can remove the accumulated matters on the surface of the soil sample to be taken during the sampling process, the sample is pushed to the positioning sample pushing piece in the rod during the downward pressing process of the sampling pipe, the one-way valve of the sampling port is closed, the sample is completely sealed after the sampling is completed, the secondary pollution of the soil sample is avoided, the sample is pushed by the sample pushing rod when the sample is taken out, the sampling is more convenient, the sampling is carried out on the ground with different elevations, the center of gravity is unstable during the sampling, the soil is deeply dug by the triangular steel drill rod to achieve the effect of fixing and supporting the sampling device, the support frame is freely contracted inside and outside through the rotary connection between the double sleeve rings and the steel drill rod, and the sampling device is more convenient to store and carry. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the soil environment detection sampling device of the utility model;

[0015] Figure 2 It is an internal structure schematic view of the soil environment detection sampling device of the utility model;

[0016] Figure 3The utility model discloses a soil environment detection sampling device middle support structure schematic diagram.

[0017] Figure 4 The utility model discloses a soil environment detection sampling device closed grab structure schematic diagram.

[0018] The drawing mark explanation: 1, sampling pipe, 101, sampling mouth, 102, sampling handle, 103, push sample hole, 104, ring cover, 2, support structure, 201, steel drill, 202, first connecting cover block, 203, second connecting cover block, 204, support rod, 205, first sleeve, 206, second sleeve, 207, rotation bolt, 3, closed grab, 301, spring reset stretch bolt, 302, round rod, 303, third sleeve, 304, ring column, 305, arc shape bucket, 306, sponge wipe, 307, third cover block, 308, fourth cover block, 309, fixed connection cover block, 310, limit bolt, 311, connecting bolt, 4, push sample rod, 401, push sample handle, 402, push sample paddle. Specific implementation

[0019] The utility model will be further explained in the following with this drawing and implementation.

[0020] Please combine with Figures 1-4 The utility model provides a kind of embodiment: soil environment detection sampling device, including sampling pipe 1 and auxiliary sampling component;Auxiliary sampling component includes support structure 2, push sample rod 4 and closed grab 3;Sampling pipe 1 middle outer wall is sleeved with the support structure 2 for sampling stability, sampling pipe 1 is internally provided with push sample rod 4 that can adjust sampling up and down displacement, and the outer side of the lower of sampling pipe 1 is arranged with several groups of closed grab 3 for preventing pollution in overall sampling environment.

[0021] Please combine with Figures 1-2 In the embodiment, the bottom of sampling pipe 1 has inclined sampling mouth 101, the middle outer wall of sampling pipe 1 is fixedly connected with ring cover 104, the top of sampling pipe 1 is transversely fixedly connected with sampling handle 102, and push sample hole 103 for adjusting push sample rod 4 is longitudinally arranged on sampling pipe 1 close to sampling handle 102 position, and sampling pipe 1 is hollowly arranged.Push sample handle 401 is vertically fixedly connected to the top end of push sample rod 4, and positioning push sample paddle 402 is fixedly connected to the lower end of push sample rod 4, push sample rod 4 and positioning push sample paddle 402 are connected using neodymium iron boron magnetic attraction (attractive force ≥15N), without disassembling overall structure when replacing sample container, sampling mouth 101 uses silicone check valve, and valve piece is opened (opening degree ≥8mm) when being pressed down, and is automatically closed to form physical seal when being lifted.

[0022] Please combine with Figures 1-3In the embodiment, the support structure 2 comprises a first sleeve 205, a plurality of groups of adjustable steel drills 201 are arranged on the bottom edge of the first sleeve 205, a second sleeve 206 is coaxially arranged below the first sleeve 205, a plurality of groups of support rods 204 extending to the steel drills 201 are arranged on the outer end of the second sleeve 206. The first sleeve 205 and the steel drills 201 are provided with a first connecting sleeve block 202, both ends of the support rod 204 are provided with a second connecting sleeve block 203 adjusted with the second sleeve 206 and the steel drills 201, the first connecting sleeve block 202 and the second connecting sleeve block 203 both comprise buckles adjusted in opposite directions, an adjusting pin is arranged between the two groups of buckles, and a rotating bolt 207 is arranged on the outer side of the adjusting pin for loose positioning.

[0023] Please refer to Figures 1-4 In the embodiment, the closing gripper 3 comprises a third sleeve 303, a plurality of groups of arc-shaped buckets 305 combined according to different terrains are arranged on the outer periphery of the third sleeve 303 downward, sponge wipers 306 are fixedly connected to the bottom of the arc-shaped buckets 305, a plurality of ring columns 304 are arranged on the outer wall of the third sleeve 303, round rods 302 are sleeved with the ring columns 304 away from the third sleeve 303, spring return tension bolts 301 are arranged between the round rods 302 and the arc-shaped buckets 305, spring dampers are arranged in the spring return tension bolts 301, third sleeve blocks 307 are arranged between the upper ends of the round rods 302 and the ring sleeves 104, fourth sleeve blocks 308 are arranged between the arc-shaped buckets 305 and the third sleeve 303, the third sleeve blocks 307 and the fourth sleeve blocks 308 both comprise buckles adjusted in opposite directions, an adjusting pin is arranged between the two groups of buckles, a connecting bolt 311 is arranged on the outer side of the adjusting pin for loose positioning, fixed sleeve blocks 309 are arranged between the ring columns 304 and the third sleeve 303, the fixed sleeve blocks 309 comprise insertion holes limited in opposite directions, and the insertion holes are fixed by limiting bolts 310. The sponge wipers 306 are made of hydrophobic silica gel material, the surface is designed with honeycomb-shaped flow guide grooves, impurities are removed while surface moisture is absorbed, and soil clumping is prevented to interfere with sampling.

[0024] In the process of working, first of all, the device is moved to the sampling site, ensure that the sampling port 101 is closed, adjust the position of the steel drill 201 drive the rotation of the support rod 204, drive the second sleeve 206 and the first sleeve 205 coaxially move up and down, the support structure 2 is inserted into the soil surface layer by pressing down, provide a certain support effect for the sampling tube 1, so that it is not easy to shake and tilt, ensure the sampling point accurate, when sampling, both hands hold the sampling handle 102 down, the sampling tube 1 drive the round rod 302 down, at the same time under the limit of the fixed ring column 304 extend outward, drive the spring reset tension bolt 301 stretch, the spring reset tension bolt 301 stretch arc bucket 305 open to the four around, the sponge wipe 306 below arc bucket 305 fixed connection outward at the same time can remove the soil surface layer accumulation to be taken; In the process of sampling, the soil sample is extruded upward in the sampling tube 1, the positioning push sampling paddle 402 is lifted, a closed space is formed to ensure that the sample is not secondarily contaminated; After sampling, the sampling handle 102 is lifted by both hands, the sampling tube 1 is moved up, drive the round rod 302 to lift, at the same time under the limit of the fixed ring column 304 shrink inward, drive the spring reset tension bolt 301 compression, arc bucket 305 close, the soil sample will not scatter, improve the efficiency of sampling.

[0025] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge scope of the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A soil environmental testing and sampling device, comprising a sampling tube (1) and an auxiliary sampling component; characterized in that: The auxiliary sampling components include a support structure (2), a push rod (4), and a closing gripper (3); the middle outer wall of the sampling tube (1) is fitted with a support structure (2) for sampling stability, the sampling tube (1) is equipped with a push rod (4) that can adjust the up and down displacement of the sampling, and the sampling tube (1) is provided with several sets of closing grippers (3) arranged in a circumferential direction on the lower outer side for preventing pollution of the overall sampling environment.

2. The soil environmental testing and sampling device according to claim 1, characterized in that: The bottom of the sampling tube (1) has an inclined sampling port (101), a ring (104) is fixed to the outer wall of the middle part of the sampling tube (1), a sampling handle (102) is fixed to the top of the sampling tube (1) laterally, and a pushing hole (103) for adjusting the pushing rod (4) is opened longitudinally on the sampling tube (1) near the sampling handle (102). The sampling tube (1) is hollow, and a silicone one-way valve is provided inside the sampling port (101).

3. The soil environmental testing and sampling device according to claim 1, characterized in that: The top of the push rod (4) is fixed with a push handle (401) in the vertical direction, and the bottom of the push rod (4) is fixed with a positioning push piece (402).

4. The soil environmental testing and sampling device according to claim 1, characterized in that: The support structure (2) includes a first sleeve (205), and a number of adjustable steel rods (201) are arranged circumferentially at the bottom edge of the first sleeve (205). A second sleeve (206) is arranged coaxially below the first sleeve (205). The outer end of the second sleeve (206) is provided with several sets of support rods (204) extending to the steel rod (201).

5. The soil environmental testing and sampling device according to claim 4, characterized in that: A first connecting sleeve block (202) is provided between the first sleeve (205) and the steel rod (201). Both ends of the support rod (204) are provided with second connecting sleeve blocks (203) that are adjustable with the second sleeve (206) and the steel rod (201). Both the first connecting sleeve block (202) and the second connecting sleeve block (203) include buckles that can be adjusted to turn each other. An adjusting pin is connected between the two sets of buckles. A rotating bolt (207) for tightening and loosening is provided on the outside of the adjusting pin.

6. The soil environmental testing and sampling device according to claim 2, characterized in that: The closed gripper (3) includes a third sleeve (303). The third sleeve (303) has several sets of arc-shaped buckets (305) arranged in different combinations according to the terrain around its lower outer periphery. A sponge (306) is fixed to the bottom of the arc-shaped bucket (305). The outer wall of the third sleeve (303) has several ring posts (304) arranged around its periphery. A round rod (302) is sleeved on the ring post (304) away from the third sleeve (303). A spring is provided between the round rod (302) and the arc-shaped bucket (305) for return. The tension bolt (301) and the spring return tension bolt (301) are provided with a spring damper inside. The upper end of the round rod (302) and the ring sleeve (104) are provided with a third sleeve block (307). The arc-shaped bucket (305) and the third sleeve (303) are provided with a fourth sleeve block (308). The third sleeve block (307) and the fourth sleeve block (308) both include buckles that can be adjusted to turn each other. An adjusting pin is connected between the two sets of buckles. A tension positioning connecting bolt (311) is provided on the outside of the adjusting pin.

7. The soil environmental testing and sampling device according to claim 6, characterized in that: A fixed connection block (309) is provided between the ring column (304) and the third sleeve (303). The fixed connection block (309) includes mutually limiting insertion holes, and the insertion holes are fixed by limiting bolts (310).

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