Sand content detection device for hydrological survey

Abstract

The utility model relates to the technical field of sand content detection, and discloses a sand content detection device for hydrological survey, which comprises a measuring cylinder, a protective frame is arranged at the lower end of the outer side of the measuring cylinder, a sand filtering mechanism is arranged at an opening of the upper end of the measuring cylinder, and a plurality of groups of fasteners fixedly connected with the sand filtering mechanism are arranged on the outer side of the measuring cylinder. A stirring mechanism and a hot air unit are arranged on the sand filtering mechanism; through cooperation of a measuring cylinder, a sand filtering mechanism, a fastener, a stirring mechanism, a water pumping mechanism and a hot air unit, water bodies with different depths can be conveniently pumped through a water pump, a mesh enclosure is utilized to prevent large sand in the water bodies from being pumped in, and the stirring mechanism improves the sludge filtering efficiency of a filter screen cylinder and prevents sludge in the water bodies from blocking filter holes. Therefore, the accuracy of testing the sand content in the water body is improved, the water body can be continuously pumped for testing the sand content, and the efficiency of testing the sand content is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sediment concentration detection, in particular to a sediment concentration detection device for hydrological measurement. Background Technique

[0002] Environmental supervision refers to the inspection of the environment, which is a government administrative act. During the process of water environment detection in environmental supervision, sometimes it is necessary to detect the sediment concentration in the water body to judge the environmental status of the water body. When detecting, the sampled water body can be screened for sand through a sediment concentration detection device, and then the sediment concentration of the water body can be judged.

[0003] The existing sediment concentration detection device needs to pour the sampled water into a container for filtration, which prolongs the detection time repeatedly. At the same time, carrying too many instruments is not convenient for the user to operate, and there may be sludge blocking the filtration efficiency of the water body during the sampling process, which will affect the accuracy of the sediment concentration detection in the water body. Therefore, we need to propose a sediment concentration detection device for hydrological measurement. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sediment concentration detection device for hydrological measurement, which is convenient for quickly extracting the water body, improves the efficiency of water body sampling, and is convenient for filtering and decontaminating the water body, avoiding the influence of sludge in the water body on the sediment concentration detection of the water body, improving the accuracy of the sediment concentration detection of the water body, and improving the detection efficiency, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A sediment concentration detection device for hydrological measurement, including a graduated cylinder, a protective frame is arranged at the lower end outside the graduated cylinder, a sand filtering mechanism is arranged at the upper opening of the graduated cylinder, a plurality of fasteners fixedly connected with the sand filtering mechanism are arranged outside the graduated cylinder, a stirring mechanism and a hot air blower group are arranged on the sand filtering mechanism, and a cleaning mechanism is arranged in the inner cavity of the graduated cylinder;

[0006] The sand filtering mechanism includes a sealing cover, a connecting screw pipe is fixedly connected to the lower surface of the sealing cover, a butt joint pipe is threadedly connected to the inner wall of the connecting screw pipe, a filter screen cylinder is fixedly connected to the lower end of the butt joint pipe, a water inlet pipe is installed on the upper surface of the sealing cover, and the water inlet pipe is communicated with a water pumping mechanism;

[0007] The water pumping mechanism includes a water inlet conduit communicated with the water inlet end of the water inlet pipe, one end of the water inlet conduit is communicated with a water pump, the water inlet end of the water pump is communicated with a water inlet coil, and a mesh cover is arranged at the water inlet end of the water inlet coil.

[0008] Preferably, the stirring mechanism includes a first rotating shaft and a first motor. The upper end of the first rotating shaft penetrates through the sealing cover and is driven by the first motor. A plurality of layers of stirring rods are fixedly connected to the outer side of the first rotating shaft, and a plurality of stirring rods are provided on each layer.

[0009] Preferably, a plurality of groups of bumps are fixedly connected to the lower end of the outer side of the filter screen cylinder, and the plurality of groups of bumps are arranged at equal angles.

[0010] Preferably, the fastener includes a buckle ring fixedly connected to the upper end of the outer side of the measuring cylinder and a buckle block fixedly connected to the lower surface of the sealing plate. The buckle ring is arranged directly below the buckle block.

[0011] Preferably, the cleaning mechanism includes a protective shell installed on the inner wall of the measuring cylinder. A screw rod is rotatably connected to the lower surface of the protective shell. The lower end of the screw rod is threadedly connected with a lifting block. One side of the lifting block is fixedly connected with a scraping ring slidably connected to the inner wall of the measuring cylinder. A second rotating shaft is rotatably connected to one side of the protective shell. One end of the second rotating shaft penetrates through the measuring cylinder and is driven by a second motor. A driving bevel gear is fixedly connected to one end of the second rotating shaft located in the inner cavity of the protective shell. A driven bevel gear meshing with the driving bevel gear is fixedly connected to the upper end of the screw rod.

[0012] Preferably, the protective frame includes two groups of hoop rings fixedly connected to the outer side of the measuring cylinder. A plurality of groups of connecting rods are fixedly connected between the two groups of hoop rings. A plurality of groups of support legs are fixedly connected to the lower surface of the lower hoop ring. A fixing cone is fixedly connected to the lower end of each group of support legs. A stabilizing ring is fixedly connected between the plurality of groups of support legs.

[0013] Preferably, a drain pipe with a valve is arranged on the lower surface of the measuring cylinder. A liquid level sensor is arranged in the inner cavity of the measuring cylinder. A scale window is arranged on the outer side of the measuring cylinder.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The present utility model mainly realizes the cooperation among the measuring cylinder, the sand filtering mechanism, the fastener, the stirring mechanism, the water pumping mechanism and the hot air blower group. The water at different depths can be conveniently pumped through the water pump. The large sand and stones in the water are prevented from being pumped in by using the mesh cover. And the stirring mechanism improves the efficiency of the filter screen cylinder for filtering sludge, avoiding the blockage of the filter holes by the sludge in the water, thereby improving the accuracy of measuring the sediment content in the test water body, being able to continuously pump the water for sediment content test, and improving the efficiency of measuring the sediment content. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the sectional structural schematic diagram of the measuring cylinder of the present utility model;

[0018] Figure 3 This is a schematic structural diagram of the sand filtering mechanism of the present utility model.

[0019] In the figure: 1, graduated cylinder; 2, protective frame; 21, hoop; 22, connecting rod; 23, leg; 24, fixed cone; 25, stabilizing ring; 3, sand filtering mechanism; 31, sealing cover; 32, water inlet pipe; 33, connecting screw pipe; 34, docking pipe; 35, filter screen cylinder; 36, convex block; 4, fastener; 41, buckle ring; 42, buckle block; 5, hot air blower unit; 6, stirring mechanism; 61, first motor; 62, first rotating shaft; 63, stirring rod; 7, pumping mechanism; 71, water pump; 72, water inlet conduit; 73, water inlet coil; 74, mesh cover; 8, cleaning mechanism; 81, second motor; 82, second rotating shaft; 83, driving bevel gear; 84, screw; 85, driven bevel gear; 86, protective shell; 87, lifting block; 88, scraping ring; 9, scale window; 10, drain pipe with valve; 11, liquid level sensor. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-3 , the present utility model provides a technical solution: a sediment concentration detection device for hydrological measurement, including a graduated cylinder 1, a protective frame 2 is arranged at the lower end of the outer side of the graduated cylinder 1, a sand filtering mechanism 3 is arranged at the upper opening of the graduated cylinder 1, a plurality of fasteners 4 fixedly connected to the sand filtering mechanism 3 are arranged on the outer side of the graduated cylinder 1, a stirring mechanism 6 and a hot air blower unit 5 are arranged on the sand filtering mechanism 3, and a cleaning mechanism 8 is arranged in the inner cavity of the graduated cylinder 1;

[0022] The sand filtering mechanism 3 includes a sealing cover 31, a connecting screw pipe 33 is fixedly connected to the lower surface of the sealing cover 31, a docking pipe 34 is threadedly connected to the inner wall of the connecting screw pipe 33, a filter screen cylinder 35 is fixedly connected to the lower end of the docking pipe 34, a water inlet pipe 32 is installed on the upper surface of the sealing cover 31, and the water inlet pipe 32 is communicated with a pumping mechanism 7;

[0023] The pumping mechanism 7 includes a water inlet conduit 72 connected to the water inlet end of the water inlet pipe 32, one end of the water inlet conduit 72 is communicated with a water pump 71, the water inlet end of the water pump 71 is communicated with a water inlet coil 73, and a mesh cover 74 is arranged at the water inlet end of the water inlet coil 73.

[0024] The stirring mechanism 6 includes a first rotating shaft 62 and a first motor 61. The upper end of the first rotating shaft 62 penetrates through the sealing cover 31 and is driven by the first motor 61. A plurality of layers of stirring rods 63 are fixedly connected to the outer side of the first rotating shaft 62, and multiple stirring rods 63 are provided on each layer. The use of multiple groups of stirring rods 63 improves the flow efficiency of the water body, thereby avoiding sludge blockage of the filter screen cylinder 35 and ensuring the accuracy of measuring the sediment content.

[0025] A plurality of groups of bumps 36 are fixedly connected to the lower end of the outer side of the filter screen cylinder 35. The plurality of groups of bumps 36 are arranged at equal angles. The use of the bumps 36 facilitates the disassembly of the filter screen cylinder 35 from the connecting screw pipe 33 and provides a force application point for disassembly.

[0026] The fastener 4 includes a buckle ring 41 fixedly connected to the upper end of the outer side of the measuring cylinder 1 and a buckle block 42 fixedly connected to the lower surface of the sealing plate. The buckle ring 41 is arranged directly below the buckle block 42. The use of the fastener 4 facilitates the quick disassembly and assembly of the sand filtering mechanism 3 and the measuring cylinder 1, improving the disassembly and assembly efficiency.

[0027] The cleaning mechanism 8 includes a protective shell 86 installed on the inner wall of the measuring cylinder 1. The lower surface of the protective shell 86 is rotatably connected to a screw rod 84. The lower end of the screw rod 84 is threadedly connected to a lifting block 87. One side of the lifting block 87 is fixedly connected to a scraping ring 88 slidably connected to the inner wall of the measuring cylinder 1. One side of the protective shell 86 is rotatably connected to a second rotating shaft 82. One end of the second rotating shaft 82 penetrates through the measuring cylinder 1 and is driven by a second motor 81. One end of the second rotating shaft 82 located inside the protective shell 86 is fixedly connected to a driving bevel gear 83. The upper end of the screw rod 84 is fixedly connected to a driven bevel gear 85 meshing with the driving bevel gear 83. The second motor 81 is used to drive the second rotating shaft 82, and the second rotating shaft 82 drives the driving bevel gear 83 to mesh with the driven bevel gear 85, so that the screw rod 84 drives the lifting block 87 to move up and down, facilitating the scraping ring 88 to scrape the sludge on the inner wall of the measuring cylinder 1 and improving the cleaning efficiency.

[0028] The protective frame 2 includes two groups of hoop rings 21 fixedly connected to the outer side of the measuring cylinder 1. A plurality of groups of connecting rods 22 are fixedly connected between the two groups of hoop rings 21. The lower surface of the lower hoop ring 21 is fixedly connected to a plurality of groups of legs 23. The lower end of each group of legs 23 is fixedly connected to a fixing cone 24. A stabilizing ring 25 is fixedly connected between the plurality of groups of legs 23. The use of the fixing cone 24 can improve the stability of the device placement, and at the same time improve the protection effect on the measuring cylinder 1 and extend the service life of the measuring cylinder 1.

[0029] A drain pipe 10 with a valve is provided on the lower surface of the measuring cylinder 1. A liquid level sensor 11 is arranged inside the measuring cylinder 1. A scale window 9 is arranged on the outer side of the measuring cylinder 1. The use of the liquid level sensor 11 and the scale window 9 facilitates recording the volume of the water body, thereby facilitating recording the sediment content at different water levels under the action of equal volume.

[0030] In use, the staff places the device near the water body and uses the fixing cones 24 of the protective frame 2 to pierce into the ground, thereby improving the stability of the device. After starting the water pump 71, the mesh cover 74 is placed into the water body. The water pump 71 injects the water body into the water inlet pipe 32 through the water inlet coiled pipe 73 and the water inlet conduit 72. Under the filtering action of the filter mesh cylinder 35, the sand is filtered in the filter mesh cylinder 35. The agitation of the water body and the sludge by the stirring mechanism 6 speeds up the efficiency of falling into the measuring cylinder 1, thereby improving the filtering efficiency of the sand in the water body. When an equal amount of water is injected into the measuring cylinder 1, the water pump 71 is turned off, and then the drain pipe 10 with a valve is opened to drain the water. While draining the water, the second motor 81 is started. The second motor 81 drives the second rotating shaft 82 to make the driving bevel gear 83 engage with the driven bevel gear 85, and then the screw 84 moves the scraping ring 88 along the inner wall of the measuring cylinder 1, which is convenient for scraping the sludge attached to the inner wall of the measuring cylinder 1 and improves the cleaning efficiency. While draining the water, the water inlet conduit 72 is separated from the water inlet pipe 32, and the air outlet pipe (not shown in the figure) of the hot air unit 5 is connected to the water inlet pipe 32 to dry the sand in the filter mesh cylinder 35, so as to facilitate the collection of the sand after disassembling the filter mesh cylinder 35. After weighing the sand, the sand-water flow ratio is calculated, and then the sand content under a fixed water volume is detected, which improves the efficiency of measuring the sand content.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sediment concentration detection device for hydrological measurement, comprising a graduated cylinder (1), characterized in that: A protective frame (2) is provided at the lower end of the outer side of the graduated cylinder (1). A sand filtering mechanism (3) is provided at the upper opening of the graduated cylinder (1). A plurality of fasteners (4) fixedly connected to the sand filtering mechanism (3) are provided on the outer side of the graduated cylinder (1). A stirring mechanism (6) and a hot air blower group (5) are provided on the sand filtering mechanism (3). A cleaning mechanism (8) is provided in the inner cavity of the graduated cylinder (1). The sand filtering mechanism (3) includes a sealing cover (31). A connecting screw pipe (33) is fixedly connected to the lower surface of the sealing cover (31). A docking pipe (34) is threadedly connected to the inner wall of the connecting screw pipe (33). A filter screen cylinder (35) is fixedly connected to the lower end of the docking pipe (34). A water inlet pipe (32) is installed on the upper surface of the sealing cover (31). The water inlet pipe (32) communicates with a water pumping mechanism (7). The water pumping mechanism (7) includes a water inlet conduit (72) connected to the water inlet end of the water inlet pipe (32). One end of the water inlet conduit (72) communicates with a water pump (71). The water inlet end of the water pump (71) communicates with a water inlet coil pipe (73). A mesh cover (74) is provided at the water inlet end of the water inlet coil pipe (73).

2. The sediment concentration detection device for hydrological measurement according to claim 1, characterized in that: The stirring mechanism (6) includes a first rotating shaft (62) and a first motor (61). The upper end of the first rotating shaft (62) penetrates through the sealing cover (31) and is driven by the first motor (61). A plurality of layers of stirring rods (63) are fixedly connected to the outer side of the first rotating shaft (62). A plurality of stirring rods (63) are provided in each layer.

3. The sediment concentration detection device for hydrological measurement according to claim 2, wherein: A plurality of convex blocks (36) are fixedly connected to the lower end of the outer side of the filter screen cylinder (35). The plurality of convex blocks (36) are arranged at equal angles.

4. The sediment concentration detection device for hydrological measurement according to claim 3, wherein: The fastener (4) includes a buckle ring (41) fixedly connected to the upper end of the outer side of the graduated cylinder (1) and a buckle block (42) fixedly connected to the lower surface of the sealing plate. The buckle ring (41) is arranged directly below the buckle block (42).

5. The sediment concentration detection device for hydrological measurement according to claim 1, wherein: The cleaning mechanism (8) includes a protective shell (86) installed on the inner wall of the graduated cylinder (1). A screw rod (84) is rotatably connected to the lower surface of the protective shell (86). A lifting block (87) is threadedly connected to the lower end of the screw rod (84). A scraping ring (88) slidably connected to the inner wall of the graduated cylinder (1) is fixedly connected to one side of the lifting block (87). A second rotating shaft (82) is rotatably connected to one side of the protective shell (86). One end of the second rotating shaft (82) penetrates through the graduated cylinder (1) and is driven by a second motor (81). A driving bevel gear (83) is fixedly connected to the end of the second rotating shaft (82) located inside the protective shell (86). A driven bevel gear (85) meshing with the driving bevel gear (83) is fixedly connected to the upper end of the screw rod (84).

6. The sediment concentration detection device for hydrological measurement according to claim 1, characterized in that: The protective frame (2) includes two hoop rings (21) fixedly connected to the outer side of the graduated cylinder (1). A plurality of connecting rods (22) are fixedly connected between the two hoop rings (21). A plurality of support legs (23) are fixedly connected to the lower surface of the lower hoop ring (21). A fixing cone (24) is fixedly connected to the lower end of each support leg (23). A stabilizing ring (25) is fixedly connected between the plurality of support legs (23).

7. The sediment concentration detection device for hydrological measurement according to claim 1, characterized in that: The lower surface of the graduated cylinder (1) is provided with a drain pipe with a valve (10), and a liquid level sensor (11) is arranged in the inner cavity of the graduated cylinder (1). A scale window (9) is arranged on the outer side of the graduated cylinder (1).

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