CN117871150A - Wetland sampler - Google Patents

Abstract

The application relates to a wetland sampler relates to the technical field of soil sampler, including the sampling tube, the one end of sampling tube is equipped with the fixed block, the inside inner tube that is equipped with of sampling tube, the lateral wall of inner tube and the inside wall butt of sampling tube, the length of inner tube is longer than the length of sampling tube, the air vent has been seted up on the fixed block, the air vent intercommunication the inside of inner tube. This application has and keeps the cleanness of sampling tube inner wall at the back of taking a sample at every turn, does not influence the next sample to improve the effect of sampling efficiency.

Description

Wetland sampler

Technical Field

The application relates to the field of soil samplers, in particular to a wetland sampler.

Background

The wetland is an important and rich ecological system on the earth, has huge resource potential and environment regulating function, and has great development and utilization values. Wetland research has an important role in global ecological and environmental research, has been valued by many countries, and has become an emerging edge intersection subject. The research of wetland soil is taken as an indispensable part in the research of wetland, and the sampling method and tool directly or indirectly determine the objectivity and accuracy of the research.

Common soil sampling equipment such as manual sampling drills, semicircular drills and cylindrical soil sampler. The cylindrical soil sampler is characterized in that a cylindrical sampling tube is usually inserted into soil, so that a soil sample enters the sampling tube, and the soil sample can be taken out by taking out the sampling tube.

However, the sampler generally needs to continuously sample samples in a plurality of places, so as to ensure objectivity and accuracy of sampling, and after each sampling, the interior of the sampling tube needs to be cleaned, so that the sampling is troublesome and the efficiency is low.

Disclosure of Invention

The utility model aims at providing a wetland sampler for after the sample at every turn, keep the cleanness of sampling tube inner wall, do not influence the sample next time, thereby improve sampling efficiency.

The utility model provides a wetland sampler, includes the sampling tube, the one end of sampling tube is equipped with the fixed block, the inside grafting of sampling tube has the inner tube, the length of inner tube is longer than the length of sampling tube, the air vent has been seted up on the fixed block, the air vent intercommunication the inside of inner tube.

Through adopting above-mentioned technical scheme, peg graft the inner tube inside the sampling tube, until inner tube butt fixed block, right the sampling tube, make inner tube butt sample soil, hammer down the fixed block, make inner tube and sampling tube by the inside of pushing down into sample soil, the inside of sample entering inner tube from this, after accomplishing the sample, upwards carry the sampling tube, make sampling tube and inner tube separation, there is not the sample in the sampling tube inner wall from this, therefore need not to clean, the inside sample that remains of inner tube simultaneously, through changing the inner tube, can take a sample again fast, thereby improve sampling efficiency.

Optionally, the sampling tube outside is equipped with righting mechanism, righting mechanism establishes the go-between in the sampling tube outside including the cover, the go-between pass through ball bearing with sampling tube threaded connection, the go-between outside is equipped with support piece.

Through adopting above-mentioned technical scheme, the go-between passes through support piece to be supported subaerial, and then the sampling tube is pegged graft from top to bottom and is got into the go-between inside, along with the sampling tube descends for the sampling tube rotates with the go-between relatively, makes sampling tube and inner tube screw in sampling soil inside from this, makes inner tube and sampling tube sample more easily from this, reduces the sampling degree of difficulty, thereby improves sampling efficiency.

Optionally, the guide way has been seted up on the inner wall of sampling tube, fixedly connected with slides the sliding block in the guide way on the outer wall of inner tube, sliding connection has the latch of slip direction perpendicular to inner tube axis in the guide way, the joint cavity has been seted up to the inside of sampling tube, sliding connection has the connecting plate in the joint cavity, latch is close to inner tube one end and sets up to the inclined plane, and one side that the inclined plane is close to the inner tube inclines gradually to one side that is close to the fixed block, the other end of latch penetrates in the joint cavity, and with connecting plate fixed connection, one side that the latch was kept away from to the connecting plate is equipped with return spring, still be equipped with the pull rod on the connecting plate, the pull rod wears out the sampling tube.

Through adopting above-mentioned technical scheme, when the inner tube inserts the sampling tube inside, the sliding block is pegged graft in the guide way for the inner tube only with sampling tube relative slip, simultaneously, the sliding block extrudees the inclined plane of latch in moving process, make the latch can get into inside the joint cavity, the sliding block can be moved to the direction that is close to the fixed block from this, after the sliding block slides the latch, the latch returns to the normal position again under return spring's effect, the fixed block can't be kept away from under the restriction of latch to the sliding block, from this the inner tube only can relative sampling tube unidirectional movement, after the pulling pull rod, slide the latch into the joint cavity in, from this the inner tube can break away from the sampling tube, the convenient sample.

Optionally, the inner tube is close to the one end butt of fixed block has the briquetting, the one end that the inner tube was kept away from to the briquetting is equipped with the depression bar, the depression bar penetrates in the fixed block, and with fixed block sliding connection, the fixed block with be equipped with compression spring between the briquetting.

Through adopting above-mentioned technical scheme, inside latch slip joint cavity, pressure spring promotes the briquetting for the briquetting promotes the inner tube roll-off sampling tube, accomplishes the sample work of inner tube fast from this.

Optionally, the one end that the fixed block was kept away from to the sampling tube is equipped with a plurality of shutoff pieces that wind sampling tube axis evenly distributed, all the shutoff piece constitutes a ring, and the gap between shutoff piece shutoff sampling tube and the inner tube, the shutoff piece is radial along the sampling tube with sampling tube sliding connection, the inside drive assembly that drives the shutoff piece and remove that still is equipped with of sampling tube.

By adopting the technical scheme, the driving assembly drives all the plugging blocks to be close to and abut against the outer wall of the inner cylinder, and all the plugging blocks form a circular ring at the same time, so that a gap between the inner cylinder and the sampling cylinder is plugged, and a sample is prevented from being filled in the gap between the sampling cylinder and the inner cylinder.

Optionally, the shutoff piece is kept away from one side fixedly connected with of inner tube and is dug the pole soon, dig the pole soon and keep away from the one end of sampling tube and incline to one side of inner tube.

Through adopting above-mentioned technical scheme, at the sampling tube decline in-process, the sampling tube rotates, drives simultaneously and digs the pole soon and rotate, digs the pole soon from this and digs soil including the section of thick bamboo below soon, reduces the resistance that the inner tube inserted in the sampling soil, makes things convenient for the inner tube to insert the sampling in the sampling soil.

Optionally, the drive assembly is including setting up the ejector pad that is close to inside fixed block one end at the sampling tube, the inside drive cavity that has seted up of sampling tube, ejector pad one end butt is on the outer wall of inner tube, and the other end is pegged graft inside the drive cavity, and the ejector pad other end still fixedly connected with first rack, the meshing has the first gear that is located the drive cavity on the first rack, fixedly connected with and sampling tube rotate the transfer line of being connected on the first gear, the one end that the transfer line kept away from the fixed block still is equipped with the second gear, the meshing has the second rack on the second gear, fixedly connected with actuating lever on the second rack, the actuating lever wears out the drive cavity and with shutoff piece fixed connection, the actuating lever is along shutoff piece direction of movement and sampling tube sliding connection.

Through adopting above-mentioned technical scheme, when inner tube butt and extrusion ejector pad for first rack removes, thereby drives first gear rotation, and first gear drives the transfer line and rotates, and the transfer line drives second gear rotation, and the second gear drives the second rack and removes, and the second rack then removes to the axis direction of sampling tube, and the actuating lever removes along with the second rack, makes the shutoff piece be close to and the outer wall of butt inner tube.

Optionally, a reinforcing block is arranged between the fixed block and the sampling tube, and one end of the sampling tube, which is far away from the fixed block, is connected with the inner cylinder through an adhesive tape and seals the gap.

Through adopting above-mentioned technical scheme, the reinforcing block is that the connection is more firm between fixed block and the sampling tube to reduce the possibility that sampling tube and fixed block are impaired because of the impact.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inner cylinder is arranged in the sampling cylinder, so that a sampling sample is stored in the inner cylinder, the possibility of pollution in the sampling cylinder is reduced, and sampling work can be rapidly performed again by replacing the inner cylinder, so that the sampling efficiency is improved;

2. the position of the sampling tube can be quickly adjusted by the righting mechanism, sampling of the sampling tube is assisted, and therefore sampling efficiency of the sampling tube is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic view of the internal structure of embodiment 1 of the present application;

FIG. 3 is a schematic overall structure of embodiment 2 of the present application;

FIG. 4 is a schematic view of the connection structure of the inner barrel and the sampling barrel according to embodiment 2 of the present application;

FIG. 5 is a schematic view of the structure of a rotary excavating bar of embodiment 2 of the present application;

FIG. 6 is a schematic structural view of a driving assembly according to embodiment 2 of the present application;

FIG. 7 is a schematic view showing the structure of a driving rod according to embodiment 2 of the present application

In the figure, 1, a fixed block; 11. a vent hole; 12. a reinforcing block; 13. a handle; 2. a sampling tube; 21. a guide groove; 22. clamping the cavity; 23. a drive cavity; 24. waist-shaped holes; 3. an inner cylinder; 31. a sliding block; 4. a righting mechanism; 41. a connecting ring; 42. a support rod; 43. a limiting plate; 5. latch teeth; 51. a connecting plate; 52. a pull rod; 53. a return spring; 6. briquetting; 61. a compression bar; 62. a pressure spring; 7. a block; 71. a fixed rod; 72. a rotary digging rod; 8. a drive assembly; 81. a pushing block; 82. a first rack; 83. a first gear; 84. a transmission rod; 85. a second gear; 86. a second rack; 87. and a driving rod.

Detailed Description

The present application is described in further detail below with reference to fig. 1-7.

Example 1: the utility model provides a wetland sampler, refer to fig. 1 and 2, including fixed block 1, the week side fixedly connected with handle 13 of fixed block 1, fixed block 1 one side fixedly connected with sampling tube 2, the lateral wall of sampling tube 2 is equipped with a plurality of reinforcing blocks 12 around sampling tube 2 axis evenly distributed, reinforcing block 12 one side is fixed and is close to the one end of fixed block 1 at sampling tube 2, reinforcing block 12 is fixed connection simultaneously on fixed block 1.

The inside inner tube 3 that still is equipped with of sampling tube 2, inner tube 3 one end is located sampling tube 2 inside and butt on fixed block 1, and sampling tube 2 is worn out to the other end, has seted up air vent 11 on the fixed block 1, and air vent 11 communicates to the inside of inner tube 3, and the axis coincidence of air vent 11 and the axis of inner tube 3, and the aperture of air vent 11 is less than the internal diameter of inner tube 3.

The end of the sampling tube 2 far away from the fixed block 1 is provided with an adhesive tape wound around the outer side wall of the inner tube 3, and the adhesive tape is used for blocking a gap at the joint between the sampling tube 2 and the inner tube 3 and preventing a soil sample from contacting the inner wall of the sampling tube 2 along the gap.

The implementation principle of embodiment 1 of the present application is: centralizing the sampling tube 2 to make the one end butt that inner tube 3 is located sampling tube 2 outside at the subaerial of sampling ground, exert decurrent pressure to fixed block 1, make inner tube 3 and sampling tube 2 get into in the sample soil, the sample gets into inside inner tube 3, after accomplishing the sample, carry handle 13, take out sampling tube 2 and inner tube 3 and separate, carry the inner tube 3 that inside left the sample and go to detect, change inner tube 3, can make sampling tube 2 carry out the next sampling work fast.

Example 2: referring to fig. 3, the difference from embodiment 1 is that the fixed block 1 is rotatably connected with the sampling tube 2, no reinforcing block 12 is provided between the fixed block and the sampling tube 2, and a centering mechanism 4 is further provided on the outer side of the sampling tube 2. The righting mechanism 4 comprises a connecting ring 41 sleeved on the outer side of the sampling tube 2, a ball screw bearing is fixedly connected inside the connecting ring 41, and the connecting ring 41 is in threaded connection with the sampling tube 2 through the ball screw bearing. The lateral wall of go-between 41 is provided with support piece, and support piece includes three bracing piece 42 that winds go-between 41 evenly distributed, and bracing piece 42 one end is articulated with go-between 41, and the other end is used for supporting subaerial, still fixedly connected with on the go-between 41 with bracing piece 42 one-to-one limiting plate 43 for the rotation angle of restriction bracing piece 42.

The connecting ring 41 is supported on the ground through the supporting rod 42, and then the handle 13 is lifted, so that the sampling tube 2 is opposite to the inside of the connecting ring 41, the fixed block 1 is lowered, the sampling tube 2 is inserted into the connecting ring 41, the sampling tube 2 rotates in the lowering process, and the sampling tube 2 can enter the sampling soil.

Referring to fig. 3 and 4, a guide groove 21 parallel to the axis of the sampling tube 2 is formed in the inner side wall of the sampling tube 2, and a sliding block 31 inserted into the guide groove 21 is fixedly connected to the outer side wall of the inner tube 3, and the sliding block 31 slides along the guide groove 21. The inside joint cavity 22 that corresponds with guide slot 21 that has seted up of sampling tube 2, sliding connection has connecting plate 51 in joint cavity 22, one side fixedly connected with pull rod 52 that the guide slot 21 was kept away from to connecting plate 51, the one end that connecting plate 51 was kept away from to pull rod 52 wears out sampling tube 2 to with sampling tube 2 sliding connection, the one end fixedly connected with stopper that pull rod 52 is located sampling tube 2, the cover is equipped with return spring 53 on the one end that pull rod 52 is located joint cavity 22, return spring 53 both ends are fixed connection respectively on connecting plate 51 and sampling tube 2.

One side of the connecting plate 51 far away from the pull rod 52 is fixedly connected with a plurality of latches 5 which are uniformly distributed along the axis of the sampling tube 2. One side of the latch 5 far away from the connecting plate 51 is located in the guide groove 21, one side of the latch 5 far away from the connecting plate 51 is set to be an inclined plane, one side of the inclined plane close to the inner cylinder 3 is gradually inclined to one side close to the fixed block 1, and the sliding block 31 is inserted between two adjacent latches 5.

After the inner cylinder 3 is inserted into the sampling tube 2, the sliding block 31 is abutted against the inclined surface of the latch 5, as the inner cylinder 3 is continuously inserted, the sliding block 31 extrudes the latch 5 and presses the latch 5 into the clamping cavity 22, when the sliding block 31 is separated from one latch 5, the return spring 53 drives the connecting plate 51 to be close to the inner cylinder 3, so that the latch 5 is inserted into the guide groove 21 again, the sliding block 31 cannot move reversely, when the inner cylinder 3 is required to be separated from the sampling tube 2, the pull rod 52 is pulled, so that the latch 5 enters the clamping cavity 22 again, and the sliding block 31 can be separated from the sampling tube 2 along the guide groove 21, so that the inner cylinder 3 is taken out.

In order to facilitate the inner cylinder 3 to break away from the sampling tube 2, one end of the inner cylinder 3, which is close to the fixed block 1, is abutted with a pressing block 6, the pressing block 6 is in a circular ring shape, one end of the pressing block 6, which is close to the inner cylinder 3, is in a circular arc shape, one side, which is far away from the inner cylinder 3, of the pressing block 6 is fixedly connected with a pressing rod 61, one end, which is far away from the pressing block 6, of the pressing rod 61 is inserted into the fixed block 1, a pressure spring 62 is sleeved on the pressing rod 61, one end of the pressure spring 62 is fixed on the inner cylinder 3, and the other end of the pressure spring 62 is fixedly connected with the fixed block 1. When the latch 5 is disengaged from the slide block 31, the pressure spring 62 pushes the pressing block 6 away from the fixed block 1, thereby ejecting the inner cylinder 3 out of the sampling cylinder 2.

Referring to fig. 3, 5 and 6, four plugging blocks 7 uniformly distributed around the inner cylinder 3 are arranged at one end of the sampling tube 2 far away from the fixed block 1, and when the four plugging blocks 7 are simultaneously abutted on the outer wall of the inner cylinder 3, the four plugging blocks 7 form a circular ring and plug gaps between the inner cylinder 3 and the sampling tube 2. One side of the plugging block 7 away from the inner cylinder 3 is fixedly connected with a fixing rod 71, one end of the fixing rod 71 away from the plugging block 7 is fixedly connected with a rotary digging rod 72, the rotary digging rod 72 is obliquely arranged, and one end of the rotary digging rod 72 away from the fixing rod 71 is obliquely arranged towards one side close to the inner cylinder 3. The inside of the sampling tube 2 is also provided with a driving component 8, and the driving component 8 drives the plugging block 7 to be close to or far away from the inner tube 3.

After the inner cylinder 3 is completely inserted into the sampling tube 2, the driving assembly 8 drives the blocking block 7 to be abutted against the outer wall of the inner cylinder 3, then the sampling tube 2 descends through the righting mechanism 4, so that the sampling tube 2 rotates in the descending process, the sampling tube 2 drives the rotary digging rod 72 to rotate, the rotary digging rod 72 firstly rotary digs sampling soil, and a middle sample is left to enter the inner cylinder 3, so that sampling is facilitated; after the sampling is completed, the driving component 8 drives the plugging block 7 to be separated from the inner cylinder 3, and the inner cylinder 3 is simultaneously separated from the sampling cylinder 2.

Referring to fig. 6 and 7, a driving cavity 23 is further formed in the sampling tube 2, a push block 81 is arranged at one end, close to the fixed block 1, of the sampling tube 2, one end of the push block 81 is abutted to the outer wall of the inner tube 3, the other end of the push block 81 is inserted into the driving cavity 23, a first rack 82 is fixedly connected to one end, located in the driving cavity 23, of the push block 81, a first gear 83 is meshed with the first rack 82, a coaxial transmission rod 84 is fixedly connected to the first gear 83, the transmission rod 84 is located in the driving cavity 23, the transmission rod 84 is connected with the sampling tube 2 in a rotating mode, a second gear 85 is fixedly connected to one end, away from the fixed block 1, of the transmission rod 84, a second rack 86 is meshed with the second gear 85, a driving rod 87 is fixedly connected to the second rack 86, a kidney-shaped hole 24 is formed in one end, away from the fixed block 1, of the sampling tube 2 is communicated into the driving cavity 23, and one end, away from the second rack 86, of the kidney-shaped hole 24 is penetrated out of the kidney-shaped hole 24 and is fixedly connected with the plugging block 7.

When the inner cylinder 3 extrudes the push block 81 to be inserted into the driving cavity 23, the first rack 82 drives the first gear 83 to rotate, the first gear 83 drives the second gear 85 to rotate through the transmission rod 84, and the second gear 85 drives the second rack 86 to move to a side close to the inner cylinder 3, so that the driving rod 87 drives the plugging block 7 to be close to and abut against the inner cylinder 3.

The implementation principle of embodiment 2 of the present application is: the inner tube 3 inserts in the sampling tube 2, and inner tube 3 extrudees push block 81 for shutoff piece 7 butt inner tube 3 and sampling tube 2 simultaneously, and shutoff inner tube 3 and the gap between the sampling tube 2, in the sampling tube 2 inserts go-between 41 afterwards, along with sampling tube 2 decline, sampling tube 2 is rotatory, thereby dig soon and insert in the sample soil, make inner tube 3 accomplish the sample, upwards pulling handle 13, thereby take out sampling tube 2, then pulling pull rod 52, thereby take out inner tube 3, accomplish the sample.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a wetland sampler, includes sample section of thick bamboo (2), the one end of sample section of thick bamboo (2) is equipped with fixed block (1), its characterized in that, the inside grafting of sample section of thick bamboo (2) has inner tube (3), the length of inner tube (3) is longer than the length of sample section of thick bamboo (2), air vent (11) have been seted up on fixed block (1), air vent (11) intercommunication the inside of inner tube (3).

2. The wetland sampler according to claim 1, wherein a righting mechanism (4) is arranged outside the sampling tube (2), the righting mechanism (4) comprises a connecting ring (41) sleeved outside the sampling tube (2), the connecting ring (41) is in threaded connection with the sampling tube (2) through a ball screw bearing, and a supporting piece is arranged outside the connecting ring (41).

3. The wetland sampler according to claim 2, wherein the inner wall of the sampling tube (2) is provided with a guide groove (21), the outer wall of the inner tube (3) is fixedly connected with a sliding block (31) which slides in the guide groove (21), the guide groove (21) is internally provided with a latch (5) with a sliding direction perpendicular to the axis of the inner tube (3), the sampling tube (2) is internally provided with a clamping cavity (22), the clamping cavity (22) is internally provided with a connecting plate (51) in a sliding manner, one end of the latch (5) close to the inner tube (3) is provided with an inclined plane, one side of the inclined plane close to the inner tube (3) is gradually inclined towards one side close to the fixed block (1), the other end of the latch (5) penetrates into the clamping cavity (22) and is fixedly connected with the connecting plate (51), one side of the connecting plate (51) away from the latch (5) is provided with a return spring (53), and the connecting plate (51) is also provided with a pull rod (52), and the pull rod (52) penetrates out of the sampling tube (2).

4. A wetland sampler according to claim 3, wherein one end of the inner cylinder (3) close to the fixed block (1) is abutted with a pressing block (6), one end of the pressing block (6) far away from the inner cylinder (3) is provided with a pressing rod (61), the pressing rod (61) penetrates into the fixed block (1) and is in sliding connection with the fixed block (1), and a pressure spring (62) is arranged between the fixed block (1) and the pressing block (6).

5. The wetland sampler according to claim 1, wherein one end of the sampling tube (2) far away from the fixed block (1) is provided with a plurality of plugging blocks (7) uniformly distributed around the axis of the sampling tube (2), all the plugging blocks (7) form a circular ring, the plugging blocks (7) plug gaps between the sampling tube (2) and the inner cylinder (3), the plugging blocks (7) are radially connected with the sampling tube (2) in a sliding manner along the sampling tube (2), and a driving assembly (8) for driving the plugging blocks (7) to move is further arranged inside the sampling tube (2).

6. The wetland sampler according to claim 5, wherein one side of the plugging block (7) far away from the inner cylinder (3) is fixedly connected with a rotary digging rod (72), and one end of the rotary digging rod (72) far away from the sampling cylinder (2) is inclined to one side of the inner cylinder (3).

7. The wetland sampler according to claim 6, wherein the driving assembly (8) comprises a pushing block (81) arranged inside one end of the sampling tube (2) close to the fixed block (1), the driving cavity (23) is formed inside the sampling tube (2), one end of the pushing block (81) is abutted to the outer wall of the inner tube (3), the other end of the pushing block is inserted into the driving cavity (23), the other end of the pushing block (81) is fixedly connected with a first rack (82), the first rack (82) is meshed with a first gear (83) positioned in the driving cavity (23), the first gear (83) is fixedly connected with a transmission rod (84) which is rotationally connected with the sampling tube (2), one end of the transmission rod (84) far away from the fixed block (1) is further provided with a second gear (85), the second rack (86) is meshed with the second gear (85), the second rack (86) is fixedly connected with a driving rod (87), the driving rod (87) penetrates out of the driving cavity (23) and is fixedly connected with the block (7), and the driving rod (87) is connected with the block (7) in a sliding mode along the direction of the sliding direction of the driving rod (7).

8. The wetland sampler according to claim 1, wherein a reinforcing block (12) is arranged between the fixed block (1) and the sampling tube (2), and one end of the sampling tube (2) far away from the fixed block (1) is connected with the inner tube (3) through an adhesive tape, and a gap is blocked.