CN110146407B - Water conservancy hydrology sand content detection device and detection method thereof - Google Patents
Water conservancy hydrology sand content detection device and detection method thereof Download PDFInfo
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- CN110146407B CN110146407B CN201910547091.3A CN201910547091A CN110146407B CN 110146407 B CN110146407 B CN 110146407B CN 201910547091 A CN201910547091 A CN 201910547091A CN 110146407 B CN110146407 B CN 110146407B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 239000004576 sand Substances 0.000 title claims abstract description 71
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000005070 sampling Methods 0.000 claims abstract description 129
- 230000018044 dehydration Effects 0.000 claims abstract description 10
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 23
- 238000005303 weighing Methods 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 210000001503 joint Anatomy 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 210000000056 organ Anatomy 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- 239000000523 sample Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
A water conservancy hydrology sand content detection device comprises a main frame, wherein a lifting ring is installed on the upper portion of the main frame, and the water conservancy hydrology sand content detection device is characterized in that a bottom plate is installed on the bottom of the main frame, sampling support legs extending downwards are symmetrically and uniformly installed on two sides of the bottom plate along the central line of the length direction of the main frame, positioning cylinders which correspond to the sampling support legs in number and are in the same axis are installed on the upper portion of the main frame, and springs are installed in the positioning cylinders; the side cross beam is arranged on the lower side of the main frame and connected between the sampling support legs in a crossing manner, a first motor is arranged on the side cross beam, a first motor connecting shaft rod penetrates between the sampling support legs, and cams are uniformly arranged on the shaft rod; the invention has the beneficial effects that: through reasonable structural design, the dry sand detection device can obtain dry sand by sampling the sand content in water for multiple times, has the functions of centrifugal dehydration and drying, is high in speed and short in detection time, improves the detection efficiency, and is suitable for popularization and use.
Description
Technical Field
The invention relates to a water conservancy hydrology sand content detection device and a detection method thereof, and belongs to the technical field of water conservancy engineering.
Background
The sand content is generally the mass of dry sand contained in unit volume of muddy water, and currently, in the technical fields of ocean engineering and hydrological measurement, the sand content values of different water layers of seawater or fresh water bodies are often required to be measured so as to master the sand content data of different depths in a vertical water body.
For example, CN106092845A discloses a layered sand content measuring instrument with a self-cleaning function, which comprises at least two integrated sleeves sequentially arranged from top to bottom, wherein the upper and lower parts of the integrated sleeves are both provided with central holes, the middle part of the integrated sleeves is provided with a groove, a sand content measuring sensor is installed in the central hole of the upper part of the integrated sleeve, and a submersible pump is installed in the central hole of the lower part of the integrated sleeve; a boss is arranged in the middle groove of the integrated sleeve, a flow stabilizing block is fixed on the boss, the area of the middle groove of the integrated sleeve, which is positioned above the flow stabilizing block, is used as a water body accommodating groove, and a probe of the sand content measuring sensor is positioned in the water body accommodating groove; a water spraying port is arranged on the flow stabilizing block, the jet flow direction of the water spraying port is opposite to the data acquisition port of the sand content measuring sensor, and the water spraying port is connected with a water delivery joint of the submersible pump; two adjacent integrated sleeves are connected together by adopting a connecting sleeve, the middle lower part of the upper integrated sleeve is arranged at the upper part in the connecting sleeve, and the upper part of the lower integrated sleeve is arranged at the lower part in the connecting sleeve; a top sleeve is fixedly connected to the upper part of the integrated sleeve positioned at the top, and an outlet wire pressing cap is fixedly connected to the upper end of the top sleeve; a bottom sleeve is fixedly connected to the lower part of the integrated sleeve positioned at the lowest part, a sleeve bottom cover is fixedly connected to the lower end of the bottom sleeve, and a water permeable hole is formed in the sleeve bottom cover; the top sleeve, the connecting sleeve and the bottom sleeve are sequentially arranged from top to bottom and are in sealed butt joint; the bottom sleeve and the connecting sleeve are provided with a submersible pump water inlet hole and an inflow port, the inflow port is opposite to the corresponding water body accommodating groove, and the submersible pump water inlet hole is connected with the corresponding submersible pump water inlet.
The sand measuring instrument disclosed in CN106092845A can only collect a single sample at a time, and does not have a drying function, which results in inaccurate data calculated by the measuring instrument.
Disclosure of Invention
The invention provides a water conservancy hydrology sand content detection device and a detection method thereof aiming at the problems.
The specific technical scheme is as follows:
a water conservancy hydrology sand content detection device comprises a main frame, a lifting ring is arranged on the upper portion of the main frame, and is characterized in that,
the bottom of the main frame is provided with a bottom plate, two sides of the bottom plate are symmetrically and uniformly provided with sampling support legs extending downwards along the central line of the length direction of the main frame, the upper part of the main frame is provided with positioning cylinders which correspond to the sampling support legs in number and have the same axis, and springs are arranged in the positioning cylinders; the side cross beam is arranged on the lower side of the main frame and connected between the sampling support legs in a crossing manner, a first motor is arranged on the side cross beam, a first motor connecting shaft rod penetrates between the sampling support legs, and cams are uniformly arranged on the shaft rod;
the bottom plate is provided with a second motor and a hot air shunting block, a shaft lever frame is arranged above the second motor and is fixedly connected to the inner wall surface of the main frame through two ends, a first transmission shaft with a first gear is uniformly distributed and mounted on the shaft lever frame, and two ends of the first transmission shaft are provided with second bevel gears; one end of a transmission shaft II with a gear II is meshed with a driving bearing of a motor II to form a worm gear mechanism, and the other end of the transmission shaft II penetrates through the shaft lever frame to be connected to the inner side wall of the main frame; the first gear and the second gear are provided with transmission chains;
a sampling groove frame is arranged in the sampling support leg, an organ sealing sleeve is further arranged between the sampling groove frame and the sampling support leg, a sampling tank capable of moving up and down is arranged in the sampling groove frame, a third bearing is sleeved at the upper end and the lower end of the sampling tank, and a sealing ring is sleeved on the outer layer of the third bearing and is attached to the inner wall of the sampling groove frame;
still including laying in the top of cam and both sides embrace at the periphery of sample stabilizer blade, through motor drive cam withstand the lifting frame that atress gyro wheel can carry out the up-and-down motion, wherein: the stressed idler wheel is arranged in the middle of the lifting frame, bearings I are further arranged on two sides of the lifting frame, and a moving rod is arranged on each bearing I, penetrates through the sampling support leg and then extends to the positioning barrel 49 to press the spring;
the motion pole from the top down be equipped with in proper order can form the bevel gear one of worm gear with bevel gear two meshing, connect two different diameters the connecting block, the umbrella type initiative bevel gear of synthetic motion pole, be used for the spoke formula weighing sensor of detection weight, with the sealed rubber stopper lid of living of sample tank bottom, wherein: the center of the spoke type weighing sensor is provided with a bearing two which is sleeved on the moving rod, and the spoke type weighing sensor is provided with a material containing vessel.
The invention discloses a preferable water conservancy hydrology sand content detection device, wherein an air pipe extending to the periphery of a sampling groove frame is further arranged on the top surface of each sampling support leg, a branch air conveying pipeline is connected between the air pipe and a hot air shunting block, the hot air shunting block is provided with a plurality of branch joints to meet the requirement of a plurality of sampling tanks, the lower part of the sampling groove frame is rectangular, the upper part of the sampling groove frame is circular, and openings are formed in the periphery of the circular part of the sampling groove frame. Because the sample jar is after by the centrifugation, sand itself is more moist, consequently lays the trachea in the open-ended periphery, and hot gas gets into in the sample jar after through the opening and dries, through the stoving of hot gas, dries the sand and forms dry sand.
The invention discloses a preferable water conservancy hydrology sand content detection device, wherein a sampling tank comprises an inner tank and an outer tank which are uniformly distributed with water permeable holes, filter cloth is arranged between the inner tank and the outer tank, a sealing cover is connected to the top ends of the inner tank and the outer tank, and an umbrella-shaped driven bevel gear is further arranged on the sealing cover and meshed with an umbrella-shaped driving bevel gear to enable a moving rod to drive the sampling tank to rotate and dewater. The diameter of the water permeable holes on the inner tank and the outer tank gradually decreases from top to bottom, and the diameter of the water permeable holes gradually decreases from top to bottom, so that hot air can enter the inner tank from the top, moist sand can be adhered to the inner wall of the inner tank, and the sand on the inner wall is dried to drop in a material container through a large amount of heat above the inner wall flowing downwards.
In this embodiment, because the diameter of inner tank is less than outer jar, consequently, sealed lid also be the notch cuttype structure with inner tank and outer jar top connection as an organic whole, have the space in the middle of inner tank and the outer jar and be used for placing the filter cloth, the filter cloth can be put into through the bottom.
Based on the device, the invention also provides a method for detecting the sand content, which is characterized by comprising the following steps,
s1, connecting a steel wire rope on a lifting ring through a ship lifting device, and placing the main frame into the water to be detected to suspend;
s2, at the moment, the rubber plug cover at the bottom of the sampling tank is in an initial state, and when the detection device reaches a preset water layer, the detection device is suspended and static, and at the moment, the water quality of the layer enters the sampling tank;
s3, the motor is controlled to drive the shaft rod to rotate slowly for 90 degrees, so that the cam slowly supports the stressed roller to slowly jack up the lifting frame;
s4, when the lifting frame is jacked up, the moving rod is driven to move upwards, at the moment, the sampling support legs are relatively static, the moving rod starts to move upwards, in the process, 1, the spoke type weighing sensor on the moving rod is fed into the bottom of the sampling tank to be attached to the tank wall, 2, the bottom of the sampling tank is plugged and sealed by the rubber plug cover, 3, the umbrella-shaped driving bevel gear is in butt joint engagement with the umbrella-shaped driven bevel gear of the sealing cover, 4, the first bevel gear is meshed with the second bevel gear to form a worm gear mechanism, and 5, a spring in the positioning cylinder is compressed;
s5, the motors are fixed one by one, so that the sampling tank is in a sealed state, and the ship hoisting device is controlled to pull the detection device back to the deck;
s6, a starting motor II drives a transmission shaft II to rotate through the transmission of a worm gear mechanism, so that a transmission chain rotates to drive a transmission shaft I to rotate, so that a bevel gear II rotates to drive a motion rod to rotate, the motion rod rotates to drive a sampling tank to rotate to start centrifugal dehydration on the sampling tank through the butt-joint meshing of an umbrella-shaped driving bevel gear and an umbrella-shaped driven bevel gear of a sealing cover, a water body is discharged through filter cloth, and sand in the water is blocked by the filter cloth and stays in the sampling tank;
s7, after centrifugal dehydration, connecting a hot air shunting block through an external gas transmission pipeline to transmit hot gas, sending the hot gas into a sampling groove frame by the hot air shunting block through each branch gas transmission pipeline, drying sand in the sampling tank after the hot gas passes through an opening of the sampling groove frame, and enabling the sand to fall off from the inner wall surface of the inner tank and enter a material containing vessel;
s8, the control motor is started again to drive the shaft lever to rotate slowly in the reverse direction for 90 degrees, the moving lever descends and returns to the original state through slow rebound of the spring, and the detection device is opened to display the mass of the dried sand through controlling the spoke type weighing sensor;
and S9, calculating the obtained data of the sand mass through a formula x = (M-rho V water)/V to obtain the sand content data in the detected water, wherein: the volume V and mass M of the water containing sand are x, the sand content is x, the density of the water is represented by rho, and then the rho V water represents the mass of the water in the volume.
The invention has the beneficial effects that: through reasonable structural design, the dry sand detection device can obtain dry sand by sampling the sand content in water for multiple times, has the functions of centrifugal dehydration and drying, is high in speed and short in detection time, improves the detection efficiency, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural view of a hydraulic hydrology sand content detection device of the present invention;
FIG. 2 is a cut-away internal view of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;
FIG. 4 is a block diagram of a sampling slot frame according to the present invention;
FIG. 5 is a block diagram of a sampling tank of the present invention;
FIG. 6 is a block diagram of the lift frame of the present invention;
fig. 7 is a structural view of the lower half of the motion bar of the present invention.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
As shown in the figure, the water conservancy hydrology sand content detection device comprises a main frame 40, a lifting ring 1 is installed on the upper portion of the main frame 40,
the bottom of the main frame 40 is provided with a bottom plate 50, two sides of the bottom plate 50 are symmetrically and uniformly provided with sampling support legs 41 extending downwards along the central line of the length direction of the main frame 40, in the embodiment, the number of the sampling support legs 41 is 6, one side of the sampling support legs is 3, the sampling support legs are symmetrically arranged, the upper part of the main frame 40 is provided with positioning cylinders 49 which correspond to the sampling support legs 41 and have the same axis, a spring 6 is arranged in the positioning cylinders 49, and the spring 6 mainly has the function of returning to the original position after the moving rod 7 loses the jacking force; the side cross beam 43 is arranged on the lower side of the main frame 40 and connected between the sampling support legs 41 in a crossing mode, the motor I2 is installed on the side cross beam 43, the motor I2 is connected with a shaft rod 44 which penetrates between the sampling support legs 41, and the cam 21 is evenly installed on the shaft rod 44.
The bottom plate 50 is provided with a second motor 10 and a hot air shunting block 31, external hot air enters the hot air shunting block 31 and is shunted into each sampling tank 27, a shaft rod frame 51 is arranged above the second motor 10 and is fixedly connected to the inner wall surface of the main frame 40 through two ends, a first transmission shaft 13 with a first gear 14 is uniformly distributed on the shaft rod frame 51, and two ends of the first transmission shaft 13 are provided with a second bevel gear 8; one end of a transmission shaft II 11 with a gear II 12 is meshed with a driving bearing of a motor II 10 to form a worm gear mechanism, and the other end of the transmission shaft II penetrates through a shaft rod frame 51 to be connected to the inner side wall of the main frame 40; the first gear 14 and the second gear 12 are provided with transmission chains, the second gear 12 is driven by the second transmission shaft 11 to rotate actively, and the first gear 14 rotates through the transmission chains to drive the first transmission shaft 13 to rotate passively.
When the second motor 10 rotates, the second transmission shaft 11 is transmitted to rotate through the worm gear mechanism, so that the transmission chain rotates to drive the first transmission shafts 13 to rotate, the second bevel gears 8 rotate to drive the corresponding moving rods 7 to rotate, and the rotating rods 7 drive the sampling tanks 27 to rotate to perform centrifugal dehydration on the sampling tanks 27 by the fact that the umbrella-shaped driving bevel gears 23 are in butt joint engagement with the umbrella-shaped driven bevel gears 274 of the sealing covers 275.
A sampling groove frame 46 is arranged in the sampling support leg 41, an organ sealing sleeve 16 is further arranged between the sampling groove frame 46 and the sampling support leg 41, an air pipe 30 extending to the periphery of the sampling groove frame 46 is further arranged on the top surface of the sampling support leg 41, and a branch air transmission pipeline is connected between the air pipe 30 and the hot air diversion block 31.
A sampling tank 27 capable of moving up and down is arranged in the sampling slot frame 46, a bearing III 20 is sleeved at the upper end and the lower end of the sampling tank 27, and a sealing ring 19 is sleeved at the outer layer of the bearing III 20 and is attached to the inner wall of the sampling slot frame 46; the sampling slot frame 46 has a rectangular lower portion and a circular upper portion, and openings 15 are formed around the circular portion. By adopting the design, when the sampling tank 27 is pushed upwards, the sealing ring 19 can be pushed under the step to seal the sampling tank 27, and meanwhile, in the rotating process of the sampling tank 27, as the three bearings 20 are sleeved on the periphery, the sampling tank frame 46 is stationary, and only the moving rod 7 drives the sampling tank 27 to rotate.
The sampling tank 27 comprises an inner tank 272 and an outer tank 273 which are all full of water permeable holes, filter cloth 271 is arranged between the inner tank 272 and the outer tank 273, a sealing cover 275 is connected to the top ends of the inner tank 272 and the outer tank 273, and an umbrella-shaped driven bevel gear 274 is further arranged on the sealing cover 275 and meshed with an umbrella-shaped driving bevel gear 23 to enable the moving rod 7 to drive the sampling tank 27 to spin and dewater. The diameters of the water permeable holes of the inner tank 272 and the outer tank 273 are gradually reduced from top to bottom. In addition, the sampling tank 27 has another embodiment, that is, a single layer of the sampling tank 27 only having the inner tank 272 can be used, the filter cloth 271 is bound on the outer wall of the inner tank 272 through a rubber band, and other structures of the sampling tank 27 are not changed.
In addition, still including the cloth in the top of cam 21 and both sides embrace the lifting frame 4 that can carry out the up-and-down motion at the periphery of sample stabilizer blade 41, drive cam 21 through motor one 2 and withstand atress gyro wheel 45, wherein: the stressed roller 45 is arranged in the middle of the lifting frame 4, the two sides of the lifting frame 4 are also provided with a first bearing 306, and the first bearing 306 is provided with a moving rod 7 which penetrates through the sampling support leg 41 and then extends to the positioning barrel 49 to press the spring 6;
the moving rod 7 is provided with a first bevel gear 9 which can be meshed with a second bevel gear 8 to form a worm gear, a connecting block 71 for connecting two different diameters to form the moving rod 7, an umbrella-shaped driving bevel gear 23 for butting with an umbrella-shaped driven bevel gear 274, a spoke-type weighing sensor 302 for detecting weight, and a rubber plug cover 301 for sealing the bottom of the sampling tank 27 from top to bottom, wherein: the spoke type weighing sensor 302 is provided with a second bearing 303 at the center and sleeved on the moving rod 7, a material containing vessel 304 is arranged on the spoke type weighing sensor 302, and discharging slopes 305 are arranged from the center to the two sides in the material containing vessel 304. Wherein: the spoke type weighing sensor 302 is provided with a data line for discharging, the data line is connected through a computer to obtain data when the spoke type weighing sensor 302 is used, the center of the spoke type weighing sensor 302 is provided with the second bearing 303, the design is adopted, when the moving rod 7 drives the sampling tank 27 to rotate, the spoke type weighing sensor 302 and the material containing vessel 304 are not moved, and a gap is formed between the spoke type weighing sensor 302 and the rubber plug cover 301.
Based on the device, the invention also provides a sand content detection method, which comprises the following steps of connecting a steel wire rope to the lifting ring 1 through a ship lifting device, and lowering the main frame 40 into the water to be detected for suspension; at this time, the rubber stopper 301 at the bottom of the sampling tank 27 is in an initial state, and when the detection device reaches a predetermined water layer, the detection device is suspended and is static, so that the water quality of the layer enters the sampling tank 27; s3, driving the shaft lever 44 to rotate slowly by 90 degrees by controlling the motor I2, so that the cam 21 slowly supports the stressed roller 45 to slowly jack up the lifting frame 4;
when the lifting frame 4 is jacked up, the moving rod 7 is driven to move upwards, at the moment, the sampling support leg 41 is relatively static, the moving rod 7 starts to move upwards, in the process, 1, the spoke type weighing sensor 302 on the moving rod 7 is sent to the bottom of the sampling tank 27 to be attached to the tank wall, 2, the rubber plug cover 301 plugs and seals the bottom of the sampling tank 27, 3, the umbrella-shaped driving bevel gear 23 is in butt joint engagement with the umbrella-shaped driven bevel gear 274 of the sealing cover 275, 4, the first bevel gear 9 and the second bevel gear 8 are engaged to form a worm gear mechanism, and 5, the spring 6 in the positioning cylinder 49 is compressed; then the first motor 2 is kept still, so that the sampling tank 27 is in a sealed state, and the ship hoisting device is controlled to pull the detection device back to the deck;
the second starting motor 10 drives the second transmission shaft 11 to rotate through the transmission of the worm gear mechanism, so that the transmission chain rotates to drive the first transmission shaft 13 to rotate, the second bevel gear 8 rotates to drive the moving rod 7 to rotate, the moving rod 7 rotates to drive the sampling tank 27 to rotate through the butt joint and engagement of the umbrella-shaped driving bevel gear 23 and the umbrella-shaped driven bevel gear 274 of the sealing cover 275, the sampling tank 27 starts to be centrifugally dewatered, water is discharged through the filter cloth, and sand in the water is blocked by the filter cloth and stays in the sampling tank 27; after centrifugal dehydration, the hot air shunting block 31 is connected through an external air conveying pipeline to convey hot air, the hot air shunting block 31 conveys the hot air into the sampling groove frame 46 through each branch air conveying pipeline, and the hot air dries sand in the sampling tank 27 after passing through an opening of the sampling groove frame 46, so that the sand falls off from the inner wall surface of the inner tank 272 and enters a material containing vessel; the control motor I2 is started again to drive the shaft lever 44 to rotate slowly and reversely for 90 degrees, the moving rod 7 is lowered and returned through the slow rebound of the spring 6, the detection device returns to the original state at this time, and the wheel spoke type weighing sensor 302 is controlled to be opened to display the mass of the dried sand; and calculating the obtained data of the sand mass by a formula x = (M-rho V water)/V to obtain the sand content data in the detected water, wherein: the volume V of the water containing sand, the mass M of the water, the sand content x, and the density of the water are expressed by rho.
In addition, the invention has the functions of centrifugal dehydration and drying to obtain dry sand, which is a function not possessed by all the existing detection equipment, has high speed and short detection time, and improves the detection efficiency.
The working principle of the invention is as follows: when the device is used, the main frame 40 is put into water to be detected to suspend by connecting a steel wire rope with the ship hoisting device and hooking the steel wire rope on the hoisting ring 1; at this time, the rubber stopper 301 at the bottom of the sampling tank 27 is in an initial state, and when the detection device reaches a predetermined water layer, the detection device is suspended and is static, so that the water quality of the layer enters the sampling tank 27; s3, driving the shaft lever 44 to rotate slowly by 90 degrees by controlling the motor I2, so that the cam 21 slowly supports the stressed roller 45 to slowly jack up the lifting frame 4;
when the lifting frame 4 is jacked up, the moving rod 7 is driven to move upwards, at the moment, the sampling support leg 41 is relatively static, the moving rod 7 starts to move upwards, in the process, 1, the spoke type weighing sensor 302 on the moving rod 7 is sent to the bottom of the sampling tank 27 to be attached to the tank wall, 2, the rubber plug cover 301 plugs and seals the bottom of the sampling tank 27, 3, the umbrella-shaped driving bevel gear 23 is in butt joint engagement with the umbrella-shaped driven bevel gear 274 of the sealing cover 275, 4, the first bevel gear 9 and the second bevel gear 8 are engaged to form a worm gear mechanism, and 5, the spring 6 in the positioning cylinder 49 is compressed; then the first motor 2 is kept still, so that the sampling tank 27 is in a sealed state, and the ship hoisting device is controlled to pull the detection device back to the deck;
the second starting motor 10 drives the second transmission shaft 11 to rotate through the transmission of the worm gear mechanism, so that the transmission chain rotates to drive the first transmission shaft 13 to rotate, the second bevel gear 8 rotates to drive the moving rod 7 to rotate, the moving rod 7 rotates to drive the sampling tank 27 to rotate through the butt joint and engagement of the umbrella-shaped driving bevel gear 23 and the umbrella-shaped driven bevel gear 274 of the sealing cover 275, the sampling tank 27 starts to be centrifugally dewatered, water is discharged through the filter cloth, and sand in the water is blocked by the filter cloth and stays in the sampling tank 27; after centrifugal dehydration, the hot air shunting block 31 is connected through an external air conveying pipeline to convey hot air, the hot air shunting block 31 conveys the hot air into the sampling groove frame 46 through each branch air conveying pipeline, and the hot air dries sand in the sampling tank 27 after passing through an opening of the sampling groove frame 46, so that the sand falls off from the inner wall surface of the inner tank 272 and enters a material containing vessel; the control motor I2 is started again to drive the shaft lever 44 to rotate slowly and reversely for 90 degrees, the moving rod 7 is lowered and returned through the slow rebound of the spring 6, the detection device returns to the original state at this time, and the wheel spoke type weighing sensor 302 is controlled to be opened to display the mass of the dried sand; calculating the obtained data of the sand mass by a formula x = (M-rho V water)/V to obtain the sand content data in the detected water, wherein: the volume V and mass M of the water containing sand are x, the sand content is x, the density of the water is represented by rho, and then the rho V water represents the mass of the water in the volume.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A water conservancy hydrology sand content detection device comprises a main frame (40), a lifting ring (1) is installed on the upper portion of the main frame (40), and is characterized in that,
a bottom plate (50) is installed at the bottom of the main frame (40), sampling support legs (41) extending downwards are symmetrically and uniformly installed on two sides of the bottom plate (50) along the central line of the length direction of the main frame (40), positioning cylinders (49) which correspond to the sampling support legs (41) in number and share the same axis are installed on the upper portion of the main frame (40), and springs (6) are installed in the positioning cylinders (49); the side cross beams (43) are arranged on the lower side of the main frame (40) and are connected between the sampling support legs (41) in a crossing mode, the side cross beams (43) are provided with a first motor (2), the first motor (2) is connected with a shaft lever (44) which penetrates between the sampling support legs (41), and the shaft lever (44) is uniformly provided with cams (21);
a second motor (10) and a hot air shunting block (31) are mounted on the bottom plate (50), a shaft lever bracket (51) is arranged above the second motor (10) and is fixedly connected to the inner wall surface of the main frame (40) through two ends, first transmission shafts (13) with first gears (14) are uniformly mounted on the shaft lever bracket (51), and bevel gears (8) are mounted at two ends of the first transmission shafts (13); one end of a transmission shaft II (11) with a gear II (12) is meshed with a driving bearing of a motor II (10) to form a worm gear mechanism, and the other end of the transmission shaft II penetrates through a shaft rod frame (51) to be connected to the inner side wall of the main frame (40); the first gear (14) and the second gear (12) are provided with transmission chains;
a sampling groove frame (46) is installed in the sampling support leg (41), an organ sealing sleeve (16) is further arranged between the sampling groove frame (46) and the sampling support leg (41), a sampling tank (27) capable of moving up and down is installed in the sampling groove frame (46), a bearing III (20) is sleeved at the upper end and the lower end of the sampling tank (27), and a sealing ring (19) is sleeved on the outer layer of the bearing III (20) and attached to the inner wall of the sampling groove frame (46);
still including laying in the top of cam (21) and both sides embrace at the periphery of sample stabilizer blade (41), drive through motor one (2) cam (21) and withstand lifting frame (4) that atress gyro wheel (45) can carry out the up-and-down motion, wherein: the stressed roller (45) is arranged in the middle of the lifting frame (4), the two sides of the lifting frame (4) are also provided with a first bearing (306), and the first bearing (306) is provided with a moving rod (7) which penetrates through the sampling support leg (41) and then extends to the positioning barrel (49) to press the spring (6);
the motion pole (7) from the top down is equipped with in proper order can form the bevel gear (9) of worm gear with bevel gear two (8) meshing, connects connecting block (71), umbrella type initiative bevel gear (23) of synthetic motion pole (7) with two different diameters, is used for spoke formula weighing sensor (302) of measuring weight, rubber stopper lid (301) sealed with sample jar (27) bottom, wherein: the center of the spoke type weighing sensor (302) is provided with a second bearing (303) which is sleeved on the moving rod (7), and the spoke type weighing sensor (302) is provided with a material containing vessel.
2. A water conservancy hydrology sand content detection device according to claim 1, wherein the top surface of the sampling support leg (41) is further provided with an air pipe (30) extending to the periphery of the sampling channel frame (46), and a branch air transmission pipeline is connected between the air pipe (30) and the hot air diverter block (31).
3. A water conservancy and hydrology sediment concentration detection device according to claim 1, wherein the sampling channel frame (46) is rectangular at the lower part and circular at the upper part, and openings (15) are provided around the circular part.
4. A water conservancy and hydrology sand content detection device according to any one of claims 1-3, characterized in that the sampling tank (27) comprises an inner tank (272) and an outer tank (273) which are uniformly filled with water permeable holes, a filter cloth (271) is arranged between the inner tank (272) and the outer tank (273), wherein a sealing cover (275) is connected to the top ends of the inner tank (272) and the outer tank (273), and an umbrella-shaped driven bevel gear (274) is arranged on the sealing cover (275) and meshed with an umbrella-shaped driving bevel gear (23) to enable the moving rod (7) to drive the sampling tank (27) to spin and dewater.
5. A water conservancy and hydrology sediment concentration detection device of claim 4, characterized in that the diameter of the water permeable holes on the inner tank (272) and the outer tank (273) is gradually reduced from top to bottom.
6. A method for detecting sand content by using the device for detecting sand content in water conservancy and hydrology according to claim 4, which comprises the following steps,
s1, connecting a steel wire rope with the ship hoisting device to hook on the hoisting ring (1), and lowering the main frame (40) into the water to be detected for suspension;
s2, the rubber stopper (301) at the bottom of the sampling tank (27) is in an initial state, and when the detection device reaches a preset water layer, the detection device is suspended and is static, and at the moment, the water quality of the layer enters the sampling tank (27);
s3, driving the shaft lever (44) to rotate slowly by 90 degrees by controlling the motor I (2), so that the cam (21) slowly supports the stressed roller (45) to slowly jack up the lifting frame (4);
s4, when the lifting frame (4) is jacked up, the moving rod (7) is driven to move upwards, at the moment, the sampling support leg (41) is relatively static, the moving rod (7) starts to move upwards, in the process, 1) the spoke type weighing sensor (302) on the moving rod (7) is sent to the bottom of the sampling tank (27) to be attached to the tank wall, 2) the rubber plug cover (301) plugs and seals the bottom of the sampling tank (27), 3) the umbrella type driving bevel gear (23) is in butt joint engagement with the umbrella type driven bevel gear (274) of the sealing cover (275), 4) the bevel gear I (9) and the bevel gear II (8) are engaged to form a worm gear mechanism, and 5) the spring (6) in the positioning cylinder (49) is compressed;
s5, keeping the motor I (2) still, so that the sampling tank (27) is in a sealed state, and controlling the ship lifting device to pull the detection device back to the deck;
s6, a second starting motor (10) transmits the power to a second transmission shaft (11) through a worm gear mechanism to rotate so that a transmission chain rotates to drive the first transmission shaft (13) to rotate to drive a second bevel gear (8) to rotate to drive a motion rod (7) to rotate, the motion rod (7) rotates to drive a sampling tank (27) to rotate through butt joint and engagement of an umbrella-shaped driving bevel gear (23) and an umbrella-shaped driven bevel gear (274) of a sealing cover (275) to start centrifugal dehydration on the sampling tank (27), water is discharged through filter cloth, and sand in the water is blocked by the filter cloth and stays in the sampling tank (27);
s7, after centrifugal dehydration, connecting the hot air diversion block (31) through an external air pipeline to convey hot air, conveying the hot air into the sampling slot frame (46) by the hot air diversion block (31) through each branch air pipeline, drying sand in the sampling tank (27) after the hot air passes through an opening of the sampling slot frame (46), and enabling the sand to fall off from the inner wall surface of the inner tank (272) and enter a material containing vessel;
s8, the control motor I (2) is started again to drive the shaft lever (44) to rotate slowly and reversely for 90 degrees, the moving rod (7) descends and returns to the original state through slow rebound of the spring (6), the detection device returns to the original state, and the spoke type weighing sensor (302) is controlled to be opened to display the mass of the dried sand;
and S9, calculating the obtained data of the sand mass through a formula x = (M-rho V water)/V to obtain the sand content data in the detected water, wherein: the volume V and mass M of the water containing sand are x, the sand content is x, the density of the water is represented by rho, and then the rho V water represents the mass of the water in the volume.
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