CN219870417U

CN219870417U - Silt sampling device

Info

Publication number: CN219870417U
Application number: CN202320923163.1U
Authority: CN
Inventors: 陈冬冬; 刘哲; 沈丹; 李苏; 葛文丽; 丁时根
Original assignee: Sinosteel Nanjing Ecological Environment Technology Research Institute Co ltd
Current assignee: Sinosteel Nanjing Ecological Environment Technology Research Institute Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-20
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a sludge sampling device, in particular to the technical field of sludge sampling devices, which comprises a fixed box, wherein a through chute is formed in one side surface of the fixed box, and a descending mechanism is arranged in the fixed box; the descending mechanism comprises a threaded rod, the threaded rod is arranged inside the fixed box, a motor is arranged at the top of the threaded rod, a thread bush is arranged on the outer side of the threaded rod, a connecting sliding rod is arranged on one side of the thread bush, and a lower pressing plate is connected with one end of the connecting sliding rod. According to the utility model, the descending mechanism and the sampling mechanism are arranged, so that the phenomenon of sludge falling in the sampling process is avoided, the normal sampling of the sludge is ensured, meanwhile, a plurality of sampling rods can be spliced and assembled through the connecting screw rods on the sampling rods and the threaded holes on the surfaces, the sludge with different depths of the river can be effectively sampled, the applicability is improved, the use is simple, and the sampling at different underground depths can be facilitated.

Description

Silt sampling device

Technical Field

The utility model relates to the technical field of sludge sampling devices, in particular to a sludge sampling device.

Background

The sludge sampling device is equipment for collecting underwater sediment (sediment, substrate and sludge) of rivers, lakes and ponds, swamp soil and mud and carbon soil, and is used for sampling and detecting the sludge at the bottom in the environment-friendly dredging engineering of the lakes and the rivers, analyzing the sludge after sampling and judging the polluted condition of the rivers.

Chinese patent application number CN201921073913.0 discloses a device for collecting and sampling silt and mucky soil samples, comprising a sampling cylinder formed by buckling two semi-circles; the lower end of the sampling cylinder forms a lower external thread to be connected with an annular sampler bottom edge or be connected with the annular sampler bottom edge through a threaded connection's strain gauge installation cylinder thread, the upper end is provided with an upper external thread to be connected with a connecting cylinder through a thread, the upper end thread of the connecting cylinder is connected with an exhaust device which is provided with an exhaust port on the side wall and is internally provided with a piston rod, the upper end of the exhaust device is provided with a coupling for connecting a driving device, a cone-shaped piston body arranged at the lower end of the piston rod is positioned at the bottom opening of the exhaust device, and the bottom opening of the exhaust device forms a matched conical surface. The conventional small drilling machine can be used as a driving force, and manual driving can be adopted for sampling in a shallower silt region, so that the original sampling mode is changed from a rotary static pressure mode to a simple static pressure mode, and primary disturbance is reduced;

this sampling device is when taking a sample to silt in the river, because the length of sampling rod is limited, the inconvenient equipment that splices of sampling rod, inconvenient sample to the silt of some depths, under the great circumstances of silt mobility simultaneously, the phenomenon that the silt falls appears easily, leads to the sample failure.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the problems of the prior art, the present utility model provides a sludge sampling device to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sludge sampling device comprises a fixed box, wherein a through chute is formed in one side surface of the fixed box, and a descending mechanism is arranged in the fixed box;

the descending mechanism comprises a threaded rod, the threaded rod is arranged inside a fixed box, a motor is arranged at the top of the threaded rod, a thread bush is arranged on the outer side of the threaded rod, a connecting sliding rod is arranged on one side of the thread bush, one end of the connecting sliding rod is connected with a lower pressing plate, a sampling rod is arranged at the bottom of the lower pressing plate, a sampling box is arranged at the bottom of the sampling rod, and a sampling mechanism is arranged inside the sampling box;

the sampling mechanism comprises a sample storage box, a plurality of isolation baffles are arranged in the sample storage box, a plurality of sample inlet holes are formed in the surfaces of two sides of the sample storage box, hydraulic rods are arranged on two sides of the sampling box, one end of each hydraulic rod is provided with a movable pressing plate, and an installation splicing mechanism is arranged at the top of the sampling box.

Preferably, the installation splicing mechanism comprises a connecting plate, the connecting plate is arranged at the top of the sampling rod, connecting screws are arranged at the tops of the connecting plate and the sampling box, threaded holes are formed in the top surface of the lower pressing plate, and connecting thread grooves are formed in the bottom surface of the sampling rod.

Preferably, the threaded hole and the connecting thread groove are in threaded connection with the connecting screw rod, a fixing nut is arranged on the outer side of the connecting screw rod at the top of the connecting plate, and the connecting screw rod is in threaded connection with the fixing nut.

Preferably, the motor is mounted on the top of the fixed box, the top of the threaded rod extends through the fixed box and to the top of the fixed box, and the threaded rod is arranged at the output end of the motor.

Preferably, a support frame is arranged on one side of the fixed box, the threaded rod is in threaded connection with the front of the threaded sleeve, and the connecting sliding rod is in sliding connection with the penetrating sliding groove.

Preferably, the top of the inner wall of the sampling box is provided with a screw, the surface of the top of the sample storage box is provided with a screw hole, the screw is in threaded connection with the screw hole, and one end of the hydraulic rod penetrates through the sampling box and extends into the sampling box.

The utility model has the technical effects and advantages that:

1. through setting up descent mechanism and sampling mechanism, through pushing the inside silt of sampling box into inside the sample case, can carry out the sampling of a plurality of samples in proper order, silt is pushed into the inside sealed sample case simultaneously, avoid the phenomenon that silt falls in the sampling process, guaranteed the normal sample of silt, can splice the equipment through connecting screw rod on the sampling rod and the screw hole on surface simultaneously to a plurality of sampling rods, can effectively take a sample the silt of river different degree of depth, improves the suitability, and is simple to use, can be convenient for take a sample in the underground depth department of difference;

2. through set up the screw rod between sampling box and sample case to offer the screw at sample case surface, can take off sample case fast, still fixation nut through connecting screw rod and screw hole simultaneously, can fix sampling rod and holding down plate, after a plurality of sampling rod concatenation, the holding down plate removes also can drive the sampling rod and move down.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a sludge sampling device according to the present utility model.

FIG. 2 is a schematic view showing the internal structure of the sampling cartridge according to the present utility model.

FIG. 3 is a schematic view of the joint structure of two sampling rods according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

The reference numerals are: 1. a fixed box; 2. penetrating through the chute; 3. a motor; 4. a threaded rod; 5. a thread sleeve; 6. connecting a slide bar; 7. a lower pressing plate; 8. a sampling rod; 9. a sampling box; 10. a sample storage case; 11. an isolation baffle; 12. a sample inlet hole; 13. a hydraulic rod; 14. a movable pressing plate; 15. a screw hole; 16. a screw; 17. a connecting plate; 18. a connecting screw; 19. a threaded hole; 20. a fixing nut; 21. a connecting thread groove; 22. and (5) supporting frames.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The sludge sampling device shown in the figures 1-4 comprises a fixed box 1, wherein a through chute 2 is formed in the surface of one side of the fixed box 1, and a descending mechanism is arranged in the fixed box 1;

the descending mechanism comprises a threaded rod 4, the threaded rod 4 is arranged inside the fixed box 1, a motor 3 is arranged at the top of the threaded rod 4, a thread bush 5 is arranged outside the threaded rod 4, a connecting sliding rod 6 is arranged on one side of the thread bush 5, one end of the connecting sliding rod 6 is connected with a lower pressing plate 7, a sampling rod 8 is arranged at the bottom of the lower pressing plate 7, a sampling box 9 is arranged at the bottom of the sampling rod 8, and a sampling mechanism is arranged inside the sampling box 9;

the sampling mechanism includes sample case 10, and sample case 10 internally mounted has a plurality of isolation baffle 11, and a plurality of income appearance holes 12 have all been seted up on sample case 10 both sides surface, and hydraulic stem 13 is all installed to sample case 9 both sides, and hydraulic stem 13 one end is provided with movable platen 14, and sample case 9 top is provided with installs the concatenation mechanism.

As shown in fig. 1 to 4, the installation and splicing mechanism comprises a connecting plate 17, the connecting plate 17 is arranged at the top of a sampling rod 8, connecting screws 18 are respectively arranged at the tops of the connecting plate 17 and a sampling box 9, threaded holes 19 are formed in the top surface of a lower pressing plate 7, connecting thread grooves 21 are formed in the bottom surface of the sampling rod 8, the threaded holes 19 and the connecting thread grooves 21 are respectively connected with the connecting screws 18 in a threaded manner, fixing nuts 20 are arranged outside the connecting screws 18 at the top of the connecting plate 17, and the connecting screws 18 are connected with the fixing nuts 20 in a threaded manner.

As shown in fig. 1, the motor 3 is mounted at the top of the fixed box 1, the top of the threaded rod 4 penetrates through the fixed box 1 and extends to the top of the fixed box 1, the threaded rod 4 is arranged at the output end of the motor 3, the support frame 22 is mounted at one side of the fixed box 1, the threaded rod 4 is in threaded connection with the front of the threaded sleeve 5, the connecting sliding rod 6 is in sliding connection with the penetrating sliding groove 2, the threaded rod 4 is conveniently driven to rotate by the motor 3, the threaded sleeve 5 is driven to move, and the stability of the fixed box 1 is improved by the support frame 22.

As shown in fig. 1 and 2, a screw 16 is disposed at the top of the inner wall of the sampling box 9, a screw hole 15 is disposed on the top surface of the sample storage box 10, the screw 16 is in threaded connection with the screw hole 15, and one end of a hydraulic rod 13 penetrates through the sampling box 9 and extends into the sampling box 9, so that the sample storage box 10 can be conveniently detached.

The working principle of the utility model is as follows: in the use process, the threaded rod 4 at the output end of the device is driven to rotate by the motor 3, meanwhile, the threaded rod 4 is in threaded connection with the threaded sleeve 5, so that the threaded sleeve 5 can be driven to move, the lower pressing plate 7 is driven to move downwards by sliding the connecting sliding rod 6 on the surface of the through sliding groove 2, the sampling rod 8 and the sampling box 9 at the bottom of the lower pressing plate 7 are driven to move downwards, the sampling box 9 is inserted into sludge, part of the sludge is positioned between the sampling box 9 and the sample storage box 10, and the movable pressing plate 14 is driven to move by starting the hydraulic rod 13 so as to press the sludge into the sample storage box 10 through the sample inlet hole 12, so that multi-component sludge is taken out;

when the sludge at the deeper part of the river is sampled, the sampling rods 8 are not long enough, and the plurality of sampling rods 8 are spliced with each other, so that the connecting screw 18 on the bottom sampling rod 8 is screwed into the connecting screw groove 21, thereby completing the splicing among the plurality of sampling rods 8.

Finally: the above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A silt sampling device, includes fixed box (1), its characterized in that: a through chute (2) is formed in one side surface of the fixed box (1), and a descending mechanism is arranged in the fixed box (1);

the descending mechanism comprises a threaded rod (4), the threaded rod (4) is arranged inside the fixed box (1), a motor (3) is arranged at the top of the threaded rod (4), a thread bush (5) is arranged on the outer side of the threaded rod (4), a connecting sliding rod (6) is arranged on one side of the thread bush (5), one end of the connecting sliding rod (6) is connected with a lower pressing plate (7), a sampling rod (8) is arranged at the bottom of the lower pressing plate (7), a sampling box (9) is arranged at the bottom of the sampling rod (8), and a sampling mechanism is arranged inside the sampling box (9);

the sampling mechanism comprises a sample storage box (10), a plurality of isolation baffles (11) are arranged in the sample storage box (10), a plurality of sample inlet holes (12) are formed in the surfaces of two sides of the sample storage box (10), a hydraulic rod (13) is arranged on two sides of the sampling box (9), a movable pressing plate (14) is arranged at one end of the hydraulic rod (13), and an installation splicing mechanism is arranged at the top of the sampling box (9).

2. A sludge sampling apparatus as claimed in claim 1, wherein: the installation splicing mechanism comprises a connecting plate (17), the connecting plate (17) is arranged at the top of a sampling rod (8), connecting screws (18) are arranged at the tops of the connecting plate (17) and a sampling box (9), threaded holes (19) are formed in the top surface of a lower pressing plate (7), and connecting thread grooves (21) are formed in the bottom surface of the sampling rod (8).

3. A sludge sampling apparatus as claimed in claim 2, wherein: threaded hole (19) and connecting thread groove (21) all with connect threaded rod (18) between threaded connection, the connecting screw (18) outside at connecting plate (17) top is provided with fixation nut (20), threaded connection between connecting screw (18) and fixation nut (20).

4. A sludge sampling apparatus as claimed in claim 1, wherein: the motor (3) is installed at the top of the fixed box (1), the top of the threaded rod (4) penetrates through the fixed box (1) and extends to the top of the fixed box (1), and the threaded rod (4) is arranged at the output end of the motor (3).

5. A sludge sampling apparatus as claimed in claim 1, wherein: the support frame (22) is installed to fixed box (1) one side, threaded rod (4) and threaded sleeve (5) preceding threaded connection, sliding connection between connection slide bar (6) and run through spout (2).

6. A sludge sampling apparatus as claimed in claim 1, wherein: screw (16) are arranged at the top of the inner wall of the sampling box (9), screw holes (15) are formed in the top surface of the sample storage box (10), the screw (16) is connected with the screw holes (15) in a threaded mode, and one end of the hydraulic rod (13) penetrates through the sampling box (9) and extends into the sampling box (9).