Automatic river water quality sampling device

Abstract

The utility model relates to the technical field of sampling devices, in particular to an automatic river water quality sampling device which comprises a lifting frame, a water quality sampler is mounted at the top end of the lifting frame, and an anti-blocking mechanism is arranged at one end of a sampling pipe of the water quality sampler; wherein the anti-blocking mechanism comprises two bevel gears; according to the anti-blocking mechanism, the suction head interacts with a plurality of through holes, impurities in water can be filtered while water is taken, a mounting plate drives a corresponding round rod and a corresponding cylinder to rotate under the action of a motor, a bevel gear, a rotating shaft and a cross rod, and in the rotating process, the cylinders intermittently enter the through holes, so that the impurities in the water can be filtered out, and the anti-blocking effect is achieved. By means of the structure, impurities blocked in the through holes can be pushed out, blockage of the through holes is avoided while the impurities are filtered, normal water taking operation is guaranteed, the scraping plate rotates synchronously while the cylinder rotates for cleaning, the impurities pushed out of the cylinder can be scraped away, the impurities are made to be away from the suction head, and therefore the water taking efficiency of the suction head is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device technical field, especially a river water quality automatic sampling device. BACKGROUND

[0002] When detecting river water quality, water samples are usually extracted from river water quality according to a specified method and a certain proportion, and the extracted water samples are detected and analyzed to understand the river water quality status. At present, automatic sampling devices are widely used to make sampling more convenient.

[0003] According to the search, the Chinese patent "River water quality sampling device", authorized publication number "CN220380820U", sets up the filter screen support, and when the sampling pipe set up by the micro water pump extracts, the filter screen support installed can filter the water source when sampling, avoid the impurities in the water to cause the generation of impurities in the sampling box, and then cause the blockage of the filter screen support after long-term use.

[0004] Although the filter screen support in the above application can filter the impurities in the water source, the intercepted impurities will stay below the filter screen during the water extraction process, and the intercepted impurities will still be adsorbed on the filter screen under the action of water flow, causing blockage and affecting the water extraction efficiency.

[0005] Therefore, a river water quality automatic sampling device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] The purpose of the utility model is to provide a river water quality automatic sampling device to solve the above problems, which improves the problem that the intercepted impurities will stay below the filter screen during the water extraction process, and the intercepted impurities will still be adsorbed on the filter screen under the action of water flow, causing blockage and affecting the water extraction efficiency.

[0007] The utility model discloses a river water quality automatic sampling device, including: elevating support, the top of elevating support is installed with water quality sampler, and the one end of water quality sampler sampling pipe is provided with anti -blocking mechanism, wherein, the anti -blocking mechanism includes two bevel gears, two the bevel gear meshing is connected, and the one end of water quality sampler sampling pipe, fixedly connected with suction head, the surface of suction head is provided with a plurality of groups of annular distribution's through -hole, the inner bottom wall of suction head is fixedly connected with motor, and the output shaft of motor is fixedly connected with one end of one bevel gear, and the inner wall of another bevel gear is fixedly connected with the pivot, the top of pivot is fixedly connected with horizontal pole, the both ends of horizontal pole are all fixedly connected with mounting plate, and the other side of mounting plate is fixedly connected with the circular rod of equal column distribution, the surface of circular rod is slidably connected with cylinder, and the other end of circular rod and the inner wall of cylinder are fixedly connected with spring.

[0008] Preferably, the bottom end of the shaft penetrates the suction head and is fixedly connected with a connecting plate, the both ends of the connecting plate are fixedly connected with scrapers, and one side of the scraper is in contact with the surface of the suction head. It is beneficial to scrape off the impurities pushed out of the cylinder, so that the impurities are away from the suction head, thereby ensuring the water taking efficiency of the suction head.

[0009] Preferably, the inner bottom wall of the suction head is fixedly connected with a protective cover, and the motor and the bevel gear are arranged in the interior of the protective cover. It is beneficial to protect the motor and the bevel gear, thereby ensuring the normal use of the device.

[0010] Preferably, the inner wall of the protective cover and the first sealing bearing are embedded and mounted, and the surface of the shaft is fixedly connected with the inner edge of the first sealing bearing. It is beneficial to ensure the sealing property between the shaft and the protective cover.

[0011] Preferably, the second sealing bearing is embedded and mounted at the bottom end of the suction head, and the surface of the shaft is fixedly connected with the inner edge of the second sealing bearing. It is beneficial to ensure the sealing property between the shaft and the suction head, thereby avoiding the water solution from entering the protective cover.

[0012] Preferably, the surface of the suction head is rotatably connected with a circular ring at the upper end, and the surface of the circular ring is fixedly connected with one side of the scraper. It is beneficial to limit the rotation of the scraper, thereby ensuring the stability of the rotation of the scraper.

[0013] Preferably, one end of the cylinder is curved into a spherical shape. In the process of the rotation of the cylinder, it is beneficial to make the one end of the cylinder better enter the through hole, and meanwhile, the one end of the cylinder can better be separated from the through hole.

[0014] Preferably, the horizontal section of the scraper is a right triangle. It is beneficial to better scrape off the impurities pushed out.

[0015] The utility model discloses the beneficial effect is:

[0016] The interaction between the suction head and the plurality of through holes in the anti-blocking mechanism is conducive to filtering impurities in the water while taking water, and the installation plate drives the corresponding rotation of the round rod and the cylinder under the action of the motor, the bevel gear, the rotating shaft and the cross rod, in the process of rotation, the plurality of cylinders intermittently enter the through holes, which is conducive to pushing out the impurities blocked in the through holes, filtering the impurities while avoiding blocking the through holes, ensuring normal water taking operation, and the scraper rotates synchronously while the cylinder rotates for cleaning, which is conducive to scraping off the impurities pushed out by the cylinder, so that the impurities are away from the suction head, thereby ensuring the water taking efficiency of the suction head.

[0017] The one end of the cylinder is bent into a spherical shape, which is conducive to better entering the through hole during the rotation of the cylinder, and better separating from the through hole. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a sectional view of the suction head of the utility model;

[0020] Figure 3 It is a schematic diagram of the anti-blocking mechanism structure of the utility model;

[0021] Figure 4 It is Figure 3 It is an enlarged view of A;

[0022] Figure 5 It is Figure 3 It is an enlarged view of B.

[0023] In the figure: 1, lifting frame; 2, water quality sampler; 3, anti-blocking mechanism; 31, bevel gear; 32, suction head; 33, through hole; 34, motor; 35, rotating shaft; 36, cross rod; 37, installation plate; 38, round rod; 39, cylinder; 310, spring; 311, scraper; 312, connecting plate; 313, protective cover; 314, first sealing bearing; 315, second sealing bearing; 316, circular ring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] In specific implementation: such as Figures 1-5As shown in the figure, an automatic river water sampling device comprises a lifting frame 1, a water quality sampler 2 is installed at the top end of the lifting frame 1, and a blocking prevention mechanism 3 is arranged at one end of the sampling pipe of the water quality sampler 2; wherein the blocking prevention mechanism 3 comprises two bevel gears 31, the two bevel gears 31 are connected in meshing, and one end of the sampling pipe of the water quality sampler 2 is fixedly connected with the two bevel gears 31; a suction head 32 is fixedly connected, a plurality of through holes 33 in annular distribution are formed in the surface of the suction head 32, a motor 34 is fixedly connected to the inner bottom wall of the suction head 32, the output shaft of the motor 34 is fixedly connected to one end of one of the bevel gears 31, the inner wall of the other bevel gear 31 is fixedly connected with a rotating shaft 35, the top end of the rotating shaft 35 is fixedly connected with a horizontal rod 36, the two ends of the horizontal rod 36 are fixedly connected with mounting plates 37, a plurality of circular rods 38 in equidistant distribution are fixedly connected to the other side of the mounting plates 37, a plurality of cylinders 39 are slidably connected to the surface of the circular rods 38, and springs 310 are fixedly connected between the other end of the circular rods 38 and the inner wall of the cylinders 39.

[0026] The lifting frame 1 comprises a base, an electric push rod and a fixed plate, the water quality sampler 2 is installed at the top end of the fixed plate, and a sampling box is installed at the top end of the fixed plate, and the water outlet pipe of the water quality sampler 2 is communicated with the sampling box.

[0027] The plurality of through holes 33 in the longitudinal direction are a group, the plurality of cylinders 39 correspond to the positions of each group of through holes 33, and the diameter of the cylinder 39 is slightly smaller than the diameter of the through hole 33, in the initial state of the device, one end of the plurality of cylinders 39 is located in the corresponding through hole 33, the motor 34 is started by the controller, the output shaft of the motor 34 drives one of the bevel gears 31 to rotate clockwise, thereby driving the other bevel gear 31 to rotate counterclockwise, thereby driving the horizontal rod 36, the mounting plate 37 and the circular rod 38, the cylinder 39 to rotate synchronously, the inner wall of the through hole 33 will extrude the cylinder 39, the spring 310 will be compressed, the cylinder 39 will be separated from the inner wall of the through hole 33 and will be in contact with the inner wall of the suction head 32, the mounting plate 37 will continue to rotate, and when the cylinder 39 and the through hole 33 coincide again, under the action of the spring 310, the cylinder 39 will enter the through hole 33 again, and the impurities in the through hole 33 will be pushed out.

[0028] As shown in the figure, Figure 3 and Figure 4 the bottom end of the rotating shaft 35 penetrates the suction head 32 and is fixedly connected with a connecting plate 312, the two ends of the connecting plate 312 are fixedly connected with scrapers 311, and one side of the scraper 311 is in contact with the surface of the suction head 32. The horizontal section of the scraper 311 is a right triangle.

[0029] The scrapers 311 and the mounting plates 37 are staggered, and the included angle between the scrapers 311 and the mounting plates 37 is small, when the rotating shaft 35 rotates counterclockwise, the plurality of cylinders 39 first push out the impurities in the through hole 33, and the scrapers 311 then scrape off the impurities, so that the impurities are far away from the suction head 32.

[0030] As Figure 5 The inner bottom wall of the suction head 32 is fixedly connected with a protective cover 313, and the motor 34 and the bevel gear 31 are arranged in the interior of the protective cover 313. The inner wall of the protective cover 313 is embeddedly installed with a first sealing bearing 314, and the surface of the rotating shaft 35 is fixedly connected with the inner edge of the first sealing bearing 314. The surface of the protective cover 313 is curved into an arc shape, the inner wall of the protective cover 313 is fixedly connected with the outer edge of the first sealing bearing 314, and the connecting position of the rotating shaft 35 and the protective cover 313 is kept sealed when the rotating shaft 35 rotates.

[0031] As Figure 5 The bottom end of the suction head 32 is embeddedly installed with a second sealing bearing 315, and the surface of the rotating shaft 35 is fixedly connected with the inner edge of the second sealing bearing 315. The inner wall of the suction head 32 is fixedly connected with the outer edge of the second sealing bearing 315, and the connecting position of the rotating shaft 35 and the suction head 32 is kept sealed when the rotating shaft 35 rotates.

[0032] As Figure 3 And Figure 4 The surface of the suction head 32 is rotatably connected with a circular ring 316, and the surface of the circular ring 316 is fixedly connected with one side of the scraper 311. The circular ring 316 rotates synchronously when the scraper 311 rotates.

[0033] As Figure 4 One end of the cylinder 39 is curved into a spherical shape. The inner wall of the through hole 33 extrudes the spherical surface of the cylinder 39 when the cylinder 39 rotates.

[0034] In use, the device is placed at a position where sampling is required, the suction head 32 is placed in a river, the height of the suction head 32 is adjusted through the lifting frame 1, the water quality sampler 2 is started through the controller, at this time, the water source enters the suction head 32 and the water intake pipe of the water quality sampler 2 through the through hole 33, and enters the sampling box through the water outlet pipe of the water quality sampler 2, at the same time, the motor 34 is started through the controller, the output shaft of the motor 34 drives one of the bevel gears 31 to rotate clockwise, so that the other bevel gear 31 drives the rotating shaft 35 to rotate counterclockwise, the rotating shaft 35 rotates counterclockwise to drive the horizontal rod 36 and the connecting plate 312 to rotate counterclockwise at the same time, so that the mounting plate 37, the circular rod 38, the cylinder 39 and the scraper 311 rotate synchronously, the inner wall of the through hole 33 extrudes the cylinder 39 in the rotating process of the cylinder 39, the spring 310 is compressed, one end of the cylinder 39 is separated from the inner wall of the through hole 33 and contacts the inner wall of the suction head 32, and the mounting plate 37 continues to rotate to drive the cylinder 39 to coincide with the through hole 33 again, under the action of the spring 310, the cylinder 39 enters the through hole 33 again, and the impurities in the through hole 33 are pushed out, at this time, the scraper 311 scrapes the impurities to make the impurities away from the suction head 32.

[0035] It should be noted that the above description of the electric push rod, the water quality sampler 2, the motor 34, the first sealing bearing 314, the second sealing bearing 315 and the like are all relatively mature devices in the prior art, and the specific model can be selected according to actual needs. Meanwhile, the power supply of the electric push rod, the water quality sampler 2 and the motor 34 can be an internal power supply or a mains power supply, and the specific power supply mode is selected as appropriate, which will not be described here.

[0036] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A river water quality automatic sampling device, characterized in that, Include: Lifting frame (1), the top end of the lifting frame (1) is provided with water quality sampler (2), one end of the sampling pipe of the water quality sampler (2) is provided with anti-blocking mechanism (3); Wherein, the anti-blocking mechanism (3) includes two bevel gears (31), two bevel gears (31) are engaged, one end of the sampling pipe of the water quality sampler (2); Fixedly connected with suction head (32), a plurality of through holes (33) are arranged on the surface of the suction head (32) in the form of annular distribution, the inner bottom wall of the suction head (32) is fixedly connected with motor (34), the output shaft of the motor (34) is fixedly connected with one end of one of the bevel gears (31), the inner wall of the other bevel gear (31) is fixedly connected with rotating shaft (35), the top end of the rotating shaft (35) is fixedly connected with cross bar (36), the two ends of the cross bar (36) are fixedly connected with mounting plate (37), the other side of the mounting plate (37) is fixedly connected with circular rod (38) arranged in the same row, the surface of the circular rod (38) is slidably connected with cylinder (39), the other end of the circular rod (38) and the inner wall of the cylinder (39) are fixedly connected with spring (310).

2. The automatic river water sampling device according to claim 1, characterized in that: The bottom end of the rotating shaft (35) penetrates the suction head (32) and is fixedly connected with the connecting plate (312), the two ends of the connecting plate (312) are fixedly connected with the scraper (311), one side of the scraper (311) is in contact with the surface of the suction head (32).

3. The automatic river water sampling device according to claim 1, characterized in that: The inner bottom wall of the suction head (32) is fixedly connected with the protective cover (313), the motor (34) and the bevel gear (31) are arranged in the interior of the protective cover (313).

4. The automatic river water sampling device according to claim 3, characterized in that: The inner wall of the protective cover (313) and the first sealing bearing (314) are embedded and installed, the surface of the rotating shaft (35) is fixedly connected with the inner edge of the first sealing bearing (314).

5. The automatic river water sampling device according to claim 1, characterized in that: The bottom end of the suction head (32) is embedded and installed with the second sealing bearing (315), the surface of the rotating shaft (35) is fixedly connected with the inner edge of the second sealing bearing (315).

6. The automatic river water sampling device according to claim 1, characterized in that: The surface of the suction head (32) is rotatably connected with the annular ring (316), the surface of the annular ring (316) is fixedly connected with one side of the scraper (311).

7. The automatic river water sampling device according to claim 1, characterized in that: One end of the cylinder (39) is curved into a spherical shape.

8. The automatic river water sampling device according to claim 2, characterized in that: The horizontal section of the scraper (311) is a right triangle.

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