Sludge sampling device

Abstract

The utility model relates to the technical field of environmental management, in particular to a sludge sampling device which comprises a sampling barrel and a sampling mechanism for sampling sludge, a fixed handle is fixed at the upper end of the sampling barrel, and the sampling mechanism is positioned in the sampling barrel and comprises a piston plate arranged in the sampling barrel in a sliding manner; a worm is rotationally mounted below the fixed handle and close to the worm gear, the rotating rod is in threaded connection with the worm gear, and an auxiliary structure facilitating downward discharge of the sampled sludge is arranged above the sampling barrel. The sludge sampling device has the beneficial effects that sludge is collected in the sampling barrel through the sampling mechanism, then when the sludge is discharged, downward twisting force is applied to the sludge through the auxiliary structure, the sludge is promoted to slide down more smoothly, the sludge is prevented from being adhered to the inner wall of the sampling barrel, and meanwhile, the sampling barrel is beaten, so that the sampling efficiency is improved. And the sampling barrel vibrates to vibrate the compacted sludge to be looser, so that the sludge can slide down more easily, and the sampling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental management, in particular to a sludge sampling device. Background Art

[0002] The water environment refers to the spatial environment within which water is formed, distributed, and transformed in nature. It encompasses the various natural and social factors that influence the normal functioning of water bodies surrounding human populations and that directly or indirectly impact human life and development. Currently, water environment management typically begins with sampling the bottom silt to determine the water's composition, and then sampling is conducted based on local conditions.

[0003] By comparing a sludge sampling device for water environment management with patent announcement number CN219996596U, in this scheme, although the lifting component can drive the sampling tube to move downward until it is inserted into the deep sludge, the sludge enters from the bottom of the sampling tube, the motor can drive the screw to rotate, drive the slider to move downward, and drive the sampling tube to move upward to extract the sampled sludge, thereby achieving the purpose of rapid sampling and facilitating the sampling of sludge at deep locations. However, when the sludge needs to be discharged after sampling, the sludge collected inside the sampling tube may be compacted, and may adhere to the inner wall of the sampling tube and not slide down easily, which is not conducive to downward discharge and reduces the sampling efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide a sludge sampling device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A sludge sampling device comprises a sampling barrel, a fixed handle is fixed to the upper end of the sampling barrel, and a sampling mechanism for sampling sludge, the sampling mechanism being located inside the sampling barrel;

[0007] The sampling mechanism includes a piston plate slidably arranged inside the sampling barrel, a rotating rod is rotatably installed on the upper end of the piston plate, the rotating rod is slidably connected to the fixed handle, a worm gear is rotatably installed on the upper end of the sampling barrel, a worm gear is rotatably installed near the worm gear below the fixed handle, the rotating rod is threadedly connected to the worm gear, and an auxiliary structure is provided above the sampling barrel to facilitate the downward discharge of the sampled sludge.

[0008] Preferably: the auxiliary structure includes a connecting bin fixedly arranged on the side wall of the sampling barrel, a rotating sleeve is rotatably installed on the bottom end of the connecting bin, a plurality of scrapers are slidably installed on the inner wall of the rotating sleeve, the plurality of scrapers are distributed around the center of the rotating sleeve, baffles are fixed on the ends of the scrapers that are in contact with the rotating sleeve, a moving structure for driving the scrapers to move is provided at the lower part of the connecting bin, and a striking structure for striking the sampling barrel is provided at the upper part of the connecting bin.

[0009] Preferably: the moving structure includes an inner top block fixedly arranged at one end of the scraper away from the rotating rod, a compression spring is connected between the scraper and the rotating sleeve, a fixed frame is slidably installed on the inner wall of the connecting bin near the inner top block, an outer top block is slidably installed in the fixed frame, a pre-tightening spring is connected between the outer top block and the fixed frame, the outer top block and the inner top block are arc-shaped at one end close to each other, and a limit plate is fixed at one end away from each other, and the end of the inner top block away from the outer top block is an inclined surface, a connecting plate is rotatably installed above the inside of the connecting bin, a connecting sleeve is fixed between the connecting plate and the worm gear, and a fixed block is fixedly connected between the connecting plate and the fixed frame.

[0010] Preferably: the striking structure includes a rotating frame fixedly arranged on the upper end of the connecting plate, a plurality of striking columns are slidably installed in the rotating frame, the plurality of striking columns are distributed around the center of the rotating frame, a force storage spring is connected between the striking column and the rotating frame, a wave convex ring is fixed on the side wall of the sampling tube near the striking column, and the striking column and the wave convex ring are slidably matched.

[0011] Preferably, a plurality of convex strips are provided on one end of the scraper close to the rotating rod, and the plurality of convex strips are distributed in a spiral shape.

[0012] Preferably, a wave tooth groove is provided at the bottom of the sampling tube.

[0013] Preferably, a non-slip pad is fixed to the lower end of the fixed handle.

[0014] Compared with the prior art, the beneficial effects are as follows:

[0015] The silt is collected in the sampling cylinder through the sampling mechanism, and then when the silt is discharged, the auxiliary structure is used to apply a downward rubbing force to the silt, so as to promote the silt to slide down more smoothly and reduce the silt adhering to the inner wall of the sampling cylinder. At the same time, the sampling cylinder is struck to vibrate the sampling cylinder to loosen the compacted silt, which is more conducive to the silt sliding down and improves the sampling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 This is a spatial stereogram of a sludge sampling device according to the utility model;

[0018] Figure 2 This is a cross-sectional view of the structure inside the sampling tube of a sludge sampling device according to the present invention;

[0019] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle;

[0020] Figure 4 This is a schematic diagram of the structure inside the sampling tube of a sludge sampling device described in the utility model;

[0021] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle;

[0022] Figure 6 This is a schematic structural diagram of a portion of a rotating sleeve of a sludge sampling device according to the present invention;

[0023] Figure 7 It is a structural schematic diagram between an outer top block and an inner top block of a sludge sampling device described in the utility model.

[0024] The following are the descriptions of the reference numerals:

[0025] 100. Sampling tube; 200. Fixed handle; 301. Rotating rod; 302. Piston plate; 303. Worm gear; 304. Worm; 305. Connecting sleeve; 306. Connecting plate; 307. Rotating sleeve; 308. Scraper; 309. Raised strip; 310. Baffle; 311. Inner top block; 312. Fixed frame; 313. Outer top block; 314. Rotating frame; 315. Wave convex ring; 316. Striking column; 317. Connecting chamber; 318. Limiting plate. DETAILED DESCRIPTION

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] The present invention will be further described below with reference to the accompanying drawings:

[0028] like Figure 1-Figure 7 As shown, a sludge sampling device includes a sampling barrel 100 , a fixed handle 200 is fixed to the upper end of the sampling barrel 100 , and also includes a sampling mechanism for sampling sludge, and the sampling mechanism is located inside the sampling barrel 100 .

[0029] In this embodiment: the sampling mechanism includes a piston plate 302 slidably arranged inside the sampling barrel 100, a rotating rod 301 is rotatably installed on the upper end of the piston plate 302, and the rotating rod 301 is slidably connected to the fixed handle 200. A worm gear 303 is rotatably installed on the upper end of the sampling barrel 100, and a worm 304 is rotatably installed near the worm gear 303 below the fixed handle 200. The rotating rod 301 is threadedly connected to the worm gear 303. A wavy tooth groove is provided at the bottom of the sampling barrel 100 to facilitate drilling, and an anti-slip pad is fixed to the lower end of the fixed handle 200. An auxiliary structure is provided above the sampling barrel 100 to facilitate the downward discharge of the sampled sludge.

[0030] The auxiliary structure includes a connecting chamber 317 fixedly arranged on the side wall of the sampling tube 100, and a rotating sleeve 307 is rotatably installed at the bottom end of the connecting chamber 317. A plurality of scrapers 308 are slidably installed on the inner wall of the rotating sleeve 307. The plurality of scrapers 308 are distributed around the center of the rotating sleeve 307. Baffles 310 are fixed on the ends of the scrapers 308 that are in contact with the rotating sleeve 307. The scrapers 308 are provided with a plurality of ridges 309 at one end close to the rotating rod 301, and the plurality of ridges 309 are distributed in a spiral shape. A moving structure for driving the scraper 308 to move is provided at the lower part of the interior of the connecting chamber 317, and a striking structure for striking the sampling tube 100 is provided at the upper part of the interior of the connecting chamber 317.

[0031] The movable structure includes an inner top block 311 fixedly arranged at the end of the scraper 308 away from the rotating rod 301, a compression spring is connected between the scraper 308 and the rotating sleeve 307, a fixed frame 312 is slidably installed on the inner wall of the connecting chamber 317 near the inner top block 311, an outer top block 313 is slidably installed in the fixed frame 312, a pre-tightening spring is connected between the outer top block 313 and the fixed frame 312, the outer top block 313 and the inner top block 311 are arc-shaped at one end close to each other, and a limit plate 318 is fixed at the end away from each other, and the end of the inner top block 311 away from the outer top block 313 is an inclined surface, a connecting plate 306 is rotatably installed on the upper part of the connecting chamber 317, a connecting sleeve 305 is fixed between the connecting plate 306 and the worm gear 303, and a fixed block is fixedly connected between the connecting plate 306 and the fixed frame 312.

[0032] The striking structure includes a rotating frame 314 fixedly set at the upper end of the connecting plate 306, and a plurality of striking columns 316 are slidably installed in the rotating frame 314. The plurality of striking columns 316 are distributed around the center of the rotating frame 314, and a force storage spring is connected between the striking columns 316 and the rotating frame 314. A wave convex ring 315 is fixed on the side wall of the sampling barrel 100 near the striking columns 316. The striking columns 316 and the wave convex ring 315 slide in cooperation. The sludge is collected in the sampling barrel 100 through the sampling mechanism, and then when the sludge is discharged, the auxiliary structure is used to apply a downward rubbing force to the sludge, so as to promote the sludge to slide down more smoothly and reduce the sludge from adhering to the inner wall of the sampling barrel 100. At the same time, when the sampling barrel 100 is struck, the sampling barrel 100 is vibrated to vibrate the compacted sludge to make it looser, which is more conducive to the sludge sliding down, thereby improving the sampling efficiency.

[0033] Working principle: First, move the device to the area where sampling is required, then press down the fixed handle 200 to drive the sampling tube 100 to drill deep into the silt, then rotate the worm 304 to drive the worm wheel 303 to rotate, and use the threaded fit between the worm wheel 303 and the rotating rod 301 to drive the rotating rod 301 to move upward, drive the piston plate 302 to move upward, and use the syringe principle to draw the silt into the sampling tube 100 to collect and sample the silt.

[0034] When the sludge needs to be discharged, the reverse rotating worm 304 drives the worm wheel 303 to rotate in the opposite direction, thereby driving the rotating rod 301 to drive the piston plate 302 downward to discharge the sludge inside the sampling tube 100 downward. When the worm wheel 303 rotates, it will drive the connecting plate 306 to rotate, and the connecting plate 306 will drive multiple fixed frames 312 to rotate, thereby driving multiple outer top blocks 313 to rotate. When sampling the sludge, when the worm wheel 303 rotates forward, it drives multiple outer top blocks 313 to rotate clockwise, so that the arc surface of the outer top block 313 will squeeze the arc surface of the inner top block 311, which will cause the outer top block 313 to shrink into the fixed frame 312, causing the outer top block 313 to not squeeze the inner top block 311 and rotate around the inner top block 311.

[0035] When sampling the sludge, the worm gear 303 rotates in the opposite direction, driving multiple outer top blocks 313 to rotate counterclockwise. At this time, the limit plate 318 at the end of the outer top block 313 will first contact the inclined surface of the inner top block 311, squeezing the inner top block 311, so that the inner top block 311 drives the scraper 308 to approach the center of the sampling tube 100, so that the scraper 308 applies a certain pressure on the outer wall of the sludge. When the limit plate 318 on the outer top block 313 and the limit plate 318 on the inner top block 311 fit each other, the outer top block 313 will push the inner top block 311 to drive the rotating sleeve 307 to rotate counterclockwise, thereby driving the convex strips 309 on the surface of multiple scrapers 308 to rub against the outer wall of the sludge, applying downward pressure on the sludge, causing the sludge to slide down for easy discharge while reducing the sludge adhesion to the inner wall of the sampling tube 100.

[0036] When the connecting plate 306 rotates, it will drive the multiple striking posts 316 in the rotating frame 314 to rotate. The striking posts 316 slide in cooperation with the wave convex ring 315. The wave convex ring 315 continuously strikes the wave convex ring 315, causing the sampling tube 100 itself to vibrate and prompt the silt to be discharged downward. The vibration of the sampling tube 100 will vibrate the compacted silt to make it looser, which is more conducive to the silt sliding downward, thereby improving the sampling efficiency.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A sludge sampling device, comprising a sampling cylinder (100), wherein a fixed handle (200) is fixed to the upper end of the sampling cylinder (100), characterized in that: It also includes a sampling mechanism for sampling sludge, wherein the sampling mechanism is located inside the sampling cylinder (100); The sampling mechanism comprises a piston plate (302) slidably arranged inside the sampling barrel (100); a rotating rod (301) is rotatably mounted on the upper end of the piston plate (302); the rotating rod (301) is slidably connected to the fixed handle (200); a worm gear (303) is rotatably mounted on the upper end of the sampling barrel (100); a worm gear (304) is rotatably mounted below the fixed handle (200) near the worm gear (303); the rotating rod (301) is threadedly connected to the worm gear (303); and an auxiliary structure is provided above the sampling barrel (100) for facilitating downward discharge of sampled sludge.

2. A sludge sampling device according to claim 1, characterized in that: The auxiliary structure includes a connecting chamber (317) fixedly arranged on the side wall of the sampling tube (100), a rotating sleeve (307) is rotatably installed on the bottom end of the connecting chamber (317), and a plurality of scrapers (308) are slidably installed on the inner wall of the rotating sleeve (307), and the plurality of scrapers (308) are distributed around the center of the rotating sleeve (307), and baffles (310) are fixed on the ends of the scrapers (308) that are in contact with the rotating sleeve (307). A moving structure for driving the scrapers (308) to move is provided at the lower part of the connecting chamber (317), and a striking structure for striking the sampling tube (100) is provided at the upper part of the connecting chamber (317).

3. A sludge sampling device according to claim 2, characterized in that: The movable structure comprises an inner top block (311) fixedly arranged at one end of the scraper (308) away from the rotating rod (301), a compression spring is connected between the scraper (308) and the rotating sleeve (307), a fixed frame (312) is slidably installed on the inner wall of the connecting chamber (317) near the inner top block (311), an outer top block (313) is slidably installed in the fixed frame (312), and a preload spring is connected between the outer top block (313) and the fixed frame (312). The outer top block (313) and the inner top block (311) have an arc surface at one end close to each other, and a limit plate (318) is fixed at one end away from each other, and the end of the inner top block (311) away from the outer top block (313) is an inclined surface. A connecting plate (306) is rotatably installed on the upper part of the connecting chamber (317), a connecting sleeve (305) is fixed between the connecting plate (306) and the worm gear (303), and a fixing block is fixedly connected between the connecting plate (306) and the fixing frame (312).

4. A sludge sampling device according to claim 3, characterized in that: The striking structure includes a rotating frame (314) fixedly arranged on the upper end of the connecting plate (306), a plurality of striking columns (316) are slidably installed in the rotating frame (314), and the plurality of striking columns (316) are distributed around the center of the rotating frame (314). A force storage spring is connected between the striking columns (316) and the rotating frame (314), and a wave convex ring (315) is fixed on the side wall of the sampling tube (100) near the striking columns (316), and the striking columns (316) and the wave convex ring (315) are slidably matched.

5. A sludge sampling device according to claim 4, characterized in that: The scraper (308) is provided with a plurality of convex strips (309) at one end close to the rotating rod (301), and the plurality of convex strips (309) are distributed in a spiral shape.

6. A sludge sampling device according to claim 5, characterized in that: The bottom of the sampling tube (100) is provided with a wave tooth groove.

7. A sludge sampling device according to claim 6, characterized in that: An anti-slip pad is fixed to the lower end of the fixed handle (200).

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