CN219161726U

CN219161726U - Sediment sampling device

Info

Publication number: CN219161726U
Application number: CN202223415700.6U
Authority: CN
Inventors: 周红梅
Original assignee: Shandong Huashi Engineering Consulting Co ltd
Current assignee: Shandong Huashi Engineering Consulting Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-09
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of sediment sampling, and discloses a sediment sampling device which comprises a supporting plate, a collecting box, a sand pump, a sand collecting pipe and a sand pumping pipe, wherein a sampling mechanism is arranged at the bottom of the supporting plate and comprises a sampling pipe which is slidably arranged on the inner wall of the sand pumping pipe, a piston pipe is fixedly arranged on the peripheral wall of the sampling pipe, and a supporting frame is fixedly arranged on the outer wall of the top of the supporting plate. This sediment sampling device through the cooperation of rotating motor, first lifter and dwang, can change to get deeper silt according to the demand, can improve the speed of changing through rotary blade moreover and get, through the cooperation of second electric lifter and extension pipe, the quick downwards and dwang that will extend the pipe is located the coplanar, reduces other sand layers to needing to extract the sand layer cover, has improved the quality of sand layer extraction sample, has improved sediment sampling work efficiency.

Description

Sediment sampling device

Technical Field

The utility model relates to the field of sediment sampling, in particular to a sediment sampling device.

Background

In the geological exploration of the river bottom or the seabed, in order to observe the material condition of the river bottom or the seabed, sediment of the river bottom needs to be sampled and analyzed, so that the geological condition of the local river bottom can be conveniently known.

The utility model provides a water conservancy project sediment sampling device with a Chinese patent publication number of CN211784485U, which comprises the following technical scheme: "through setting up limiting plate, locating plate, supporting spring and head, at the in-process of sampling, control pneumatic cylinder promotes the backup pad and moves down, promotes locating lever and fixed plate downwardly moving through supporting spring and slide bar.

Above-mentioned patent is to among the prior art present hydraulic engineering silt sampling device can not accurately sample the muddy water sample of required appointed degree of depth, when sampling device gets into in the aquatic, mixes the muddy water of different degree of depth easily, and then leads to the inaccuracy of analysis result easily, has brought very big inconvenience to follow-up research analysis work, possesses the advantage of taking a sample to the muddy water accurate sample of degree of depth, then provides another solution to the shortcoming in the above-mentioned patent application in this application.

Disclosure of Invention

To the not enough of prior art, this application provides a sediment sampling device, possesses the extraction proportion that increases with layer mud sand bed and is convenient for take a sample to the silt of depths, has solved when extracting the silt of river bottom owing to not having isolation structure, still can lead to the silt of extraction to mix different sand beds, influences the follow-up analysis to the silt, and the head is just a conical head moreover, is transferring the lower problem of sediment bed inefficiency of getting deeper layer.

In summary, the present utility model provides the following technical solutions: the sediment sampling device comprises a supporting plate, a collecting box and a sediment pumping pipe, wherein a sampling mechanism is arranged at the bottom of the supporting plate;

the sampling mechanism comprises a sampling tube which is slidably mounted on the inner wall of a sand pumping tube, a piston tube is fixedly mounted on the peripheral wall of the sampling tube, a supporting frame is fixedly mounted on the outer wall of the top of the supporting plate, a first electric lifting rod is fixedly mounted on the outer wall of the bottom of the supporting frame, a fixing plate is fixedly mounted on the outer wall of the bottom of the first electric lifting rod, second electric lifting rods are fixedly mounted on the outer walls of the left side and the right side of the fixing plate, connecting rods are fixedly mounted on the outer walls of opposite sides of the second electric lifting rods, a fixing ring is fixedly connected between the two connecting rods, a machine box is fixedly mounted on the outer wall of the bottom of the fixing plate, a rotating motor is fixedly mounted on the inner wall of the top of the machine box, a spiral blade is fixedly mounted on the outer peripheral wall of the rotating shaft, a fixing box is fixedly mounted on the outer wall of the bottom of the machine box, an extension tube is slidably connected inside the fixing box, and the radius of the spiral blade is consistent with the radius of the extension tube.

Further, the fixed case is the hollow case, dwang and extension pipe all are located the inside of fixed case, the dwang is located the inside of extension pipe, the size looks adaptation of fixed case and extension pipe.

The beneficial effects of adopting the further scheme are as follows: the relation of the extension pipe, the fixed box and the rotating rod is described, and the function of structural supplement is achieved.

Further, the fixed ring is fixedly arranged on the peripheral wall of the extension pipe, the maximum distance between the outer wall of the top of the extension pipe and the inner wall of the top of the fixed box is the minimum distance between the outer wall of the top of the fixed ring and the outer wall of the bottom of the fixed box, and the fixed ring is fixedly connected with the extension pipe.

The beneficial effects of adopting the further scheme are as follows: limiting the extension tube and the fixing ring.

Further, half the length of the helical blade is flush with the bottom of the extension tube.

The beneficial effects of adopting the further scheme are as follows: the length between the extension pipe and the spiral blade is fixedly limited, and the blade at the sharp corner part of the spiral blade is exposed, so that the extension pipe is favorable for breaking sediment and descending.

Further, the size of the outer peripheral wall of the piston tube is matched with the size of the inner peripheral wall of the sand pumping tube, and one side, far away from the sand pumping tube, of the sampling tube penetrates through the inside of the extension tube and is fixedly connected with the outer wall of the bottom of the extension tube.

The beneficial effects of adopting the further scheme are as follows: the positional connection relationship between the extension tube and the sampling tube will be described.

Further, the descending length of the second electric lifting rod and the sampling tube is the same as the descending length of the extension tube.

The beneficial effects of adopting the further scheme are as follows: limiting the descending distance of the sampling tube and the second electric lifting rod.

Further, sliding grooves are formed in the outer walls of the left side and the right side of the fixed box along the vertical direction, and the size of the sliding grooves is matched with the size of the connecting rod and the size of the sampling tube.

The beneficial effects of adopting the further scheme are as follows: the extension pipe can be conveniently moved downwards to reduce sediment in other sand layers.

Further, the bottom of dwang is conical, fixed case and extension pipe are cylindrical.

The beneficial effects of adopting the further scheme are as follows: the shapes of the rotating rod, the fixed box and the extension pipe are limited, so that the installation of a follow-up fixed ring and a sampling pipe is facilitated.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this sediment sampling device, through screw blade and extension pipe inner wall laminating, can effectively block in the entering extension pipe of silt with the inner wall laminating before the screw blade does not go deep into required sampling position, effectively form isolation structures, effectively ensured the accuracy of sampling sample, improve analysis precision. Simultaneously, through the cooperation of rotating motor, first lifter and dwang, can change to get deeper silt according to the demand, can improve the speed of changing through rotatory blade moreover, simultaneously through the effect of second electric lift pole, make extension pipe and sampling tube down move and rotatory blade be located the coplanar, when rotatory blade stop work, the silt of the appointed sand bed of quick extraction reduces other sand beds to need extracting sand bed cover, has improved the quality of sand bed extraction sample, has improved silt sample work efficiency.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the inside of the sand pumping pipe of the present utility model in a partially sectioned structure.

Fig. 3 is an enlarged schematic view of the structure of fig. a according to the present utility model.

Reference numerals illustrate:

1. a support plate; 2. a collection box; 5. a sand pumping pipe; 6. a sampling tube; 7. a piston tube; 8. a first electric lifting rod; 9. a support frame; 10. a fixing plate; 11. the second electric lifting rod; 12. a chassis; 13. a rotating motor; 14. a fixed box; 15. an extension tube; 16. a rotating lever; 17. a helical blade; 18. a connecting rod; 19. a fixing ring; 20. and a sliding groove.

Detailed Description

Referring to fig. 1-3, a sediment sampling device comprises a support plate 1 and a sand pumping pipe 5, wherein a sampling mechanism is arranged at the bottom of the support plate 1.

The sampling mechanism comprises a sampling tube 6 which is slidably mounted on the inner wall of a sand pumping tube 5, a piston tube 7 is fixedly mounted on the peripheral wall of the sampling tube 6, a supporting frame 9 is fixedly mounted on the top outer wall of a supporting plate 1, a first electric lifting rod 8 is fixedly mounted on the bottom outer wall of the supporting frame 9, a fixing plate 10 is fixedly mounted on the bottom outer wall of the first electric lifting rod 8, second electric lifting rods 11 are fixedly mounted on the outer walls of the left side and the right side of the fixing plate 10, connecting rods 18 are fixedly mounted on the outer walls of the opposite sides of the two second electric lifting rods 11, a fixing ring 19 is fixedly connected between the two connecting rods 18, a rotating motor 13 is fixedly mounted on the inner wall of the top of the chassis 12, a rotating rod 16 is fixedly mounted on the output shaft of the rotating motor 13, a spiral blade 17 is fixedly mounted on the peripheral wall of the rotating rod 16, a fixing box 14 is fixedly mounted on the bottom outer wall of the chassis 12, sliding grooves 20 are formed in the left side and right side outer wall of the fixing box 14 along the vertical direction, connecting rods 18 and the size of the connecting rods 18 are matched with the size of the sampling tube 6, and the inner walls of the fixing box 14 are fixedly connected with the fixing ring 15, and the inner extending tube 15 is fixedly connected.

The fixed box 14 is the hollow case, the dwang 16 and extension pipe 15 all are located the inside of fixed box 14, the dwang 16 is located the inside of extension pipe 15, the fixed box 14 and the big or small looks adaptation of extension pipe 15, fixed ring 19 fixed mounting is on the periphery wall of extension pipe 15, the maximum distance between the top outer wall of extension pipe 15 and the top inner wall of fixed box 14 is the minimum distance between the outer wall of fixed ring 19 top and the bottom outer wall of fixed box 14, fixed ring 19 and extension pipe 15 fixed connection, the radius of helical blade 17 is unanimous with the radius of extension pipe 15, helical blade 17 and extension pipe 15 inner wall laminating, effectively form isolation structure, can all block most silt entering extension pipe 15 before falling to required degree of depth, half and the extension pipe 15 bottom of helical blade 17 are leveled, the big or small looks adaptation of the periphery wall of piston pipe 7 and the inside periphery wall of extension pipe 5, one side that the sampling tube 6 kept away from the sand pipe 5 runs through to the inside of extension pipe 15 and with the bottom outer wall fixed connection of extension pipe 15, the downtake-off length of second

electric lift pole

11 and 6 and the same cylindrical extension pipe 15 of extension pipe 15, the downtake-off length of extension pipe 16 and extension pipe 15 are the same, the downtake the length of extension pipe 15 is the downtake the cylindrical, the extension pipe 15 is the downtake the length of the extension pipe 15, be the extension pipe 15 is the downtake.

In this embodiment, a collecting box 2 is fixedly installed on the outer wall of the top of the supporting plate 1, and one side of the sand pumping pipe 5, which is far away from the sampling pipe 6, penetrates through the supporting plate 1 and is fixedly connected with the outer wall of the left side of the collecting box 2.

In this embodiment, a through hole is formed in the top of the extension pipe 15, and the diameter of the through hole is adapted to the diameter of the rotating rod 16.

In this embodiment, the extension tube 15 is concave, the inside of the extension tube 15 is sealed, and the size of the concave is adapted to the size of the spiral blade 17.

The working principle of the embodiment is as follows:

the fixing plate 10 is driven to move downwards through the first electric lifting rod 8, the second electric lifting rod 11 and the case 12 move downwards synchronously, after the spiral blade 17 reaches the upper layer of the required position, the sampling tube 6 is started firstly, most of soil attached with other layers in the pressing process of the spiral blade 17 is pre-pumped out by the sampling tube 6, then the rotation rod 16 and the spiral blade 17 are driven to rotate synchronously through the rotating motor 13 after the sampling tube 6 descends, the soil at the required position is transferred into the extension tube 15, and finally the extension tube 15 is pulled out again, so that the required sample is obtained in the extension tube.

Claims

1. Sediment sampling device, including backup pad (1), collection box (2) and take out sand pipe (5), its characterized in that: the bottom of the supporting plate (1) is provided with a sampling mechanism;

the sampling mechanism comprises a sampling tube (6) which is slidably mounted on the inner wall of a sand pumping tube (5), a piston tube (7) is fixedly mounted on the outer peripheral wall of one side of the sampling tube (6), a supporting frame (9) is fixedly mounted on the outer wall of the top of a supporting plate (1), a first electric lifting rod (8) is fixedly mounted on the outer wall of the bottom of the supporting frame (9), a fixed plate (10) is fixedly mounted on the outer wall of the bottom of the first electric lifting rod (8), a second electric lifting rod (11) is fixedly mounted on the outer walls of the left side and the right side of the fixed plate (10), a connecting rod (18) is fixedly mounted on the outer wall of one side opposite to the second electric lifting rod (11), a fixed ring (19) is fixedly connected between the two connecting rods (18), a machine case (12) is fixedly mounted on the outer wall of the bottom of the fixed plate (10), a rotating motor (13) is fixedly mounted on the inner wall of the top of the machine case (12), a rotating rod (16) is fixedly mounted on the outer wall of the rotating motor (13), a rotating rod (16) is fixedly mounted on the outer peripheral wall (16), a rotating blade (17) is fixedly mounted on the outer wall (14) of the machine case (14), the radius of the spiral blade (17) is consistent with the radius of the extension pipe (15).

2. A sediment sampling device according to claim 1, wherein: the fixed box (14) is a hollow box, the rotating rod (16) and the extension pipe (15) are both positioned in the fixed box (14), the rotating rod (16) is positioned in the extension pipe (15), and the fixed box (14) is matched with the extension pipe (15) in size.

3. A sediment sampling device according to claim 1, wherein: the fixed ring (19) is fixedly arranged on the peripheral wall of the extension pipe (15), the maximum distance between the top outer wall of the extension pipe (15) and the top inner wall of the fixed box (14) is the minimum distance between the top outer wall of the fixed ring (19) and the bottom outer wall of the fixed box (14), and the fixed ring (19) is fixedly connected with the extension pipe (15).

4. A sediment sampling device according to claim 1, wherein: half the length of the spiral blade (17) is leveled with the bottom of the extension pipe (15).

5. A sediment sampling device according to claim 1, wherein: the size of the outer peripheral wall of the piston tube (7) is matched with the size of the inner peripheral wall of the sand pumping tube (5), and one side, far away from the sand pumping tube (5), of the sampling tube (6) penetrates through the inside of the extension tube (15) and is fixedly connected with the outer wall of the bottom of the extension tube (15).

6. A sediment sampling device according to claim 1, wherein: the descending length of the second electric lifting rod (11) and the sampling tube (6) is the same as the descending length of the extension tube (15).

7. A sediment sampling device according to claim 1, wherein: sliding grooves (20) are formed in the outer walls of the left side and the right side of the fixed box (14) along the vertical direction, and the size of each sliding groove (20) is matched with the size of the connecting rod (18) and the size of the sampling tube (6).

8. A sediment sampling device according to claim 1, wherein: the bottom of the rotating rod (16) is conical, and the fixed box (14) and the extension pipe (15) are both cylindrical.