CN111795848B - River sediment accumulation and siltation detection device - Google Patents
River sediment accumulation and siltation detection device Download PDFInfo
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- CN111795848B CN111795848B CN202010709443.3A CN202010709443A CN111795848B CN 111795848 B CN111795848 B CN 111795848B CN 202010709443 A CN202010709443 A CN 202010709443A CN 111795848 B CN111795848 B CN 111795848B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
Abstract
The invention discloses a river sediment accumulation and siltation detection device, which relates to the field of water conservancy equipment and has the technical scheme that the river sediment accumulation and siltation detection device comprises a support device, wherein a driving device is fixedly arranged on the support device, a sampling device for collecting a siltation sample is movably connected on the driving device, and the driving device drives the sampling device to move in the vertical direction; the device also comprises a storage device for storing compressed air; the supporting device comprises an annular supporting frame and a plurality of supporting legs arranged below the supporting frame in an array manner, a vertical fixing frame is fixedly arranged above the supporting frame, and a driving device is fixedly arranged on one side of the fixing frame; the outer side of the supporting frame is fixedly connected with a floating and sinking air bag. The beneficial effects of the invention are as follows: the method has the advantages that sludge with different depths can be collected at one time, the collected section can be ensured to be complete, the precision of sample detection is ensured, and the data of various heavy metal pollution in different forms of sludge with the same section can be effectively observed; the silt collection efficiency is high, convenient to use.
Description
Technical Field
The invention relates to the field of water conservancy detection equipment, in particular to a river sediment accumulation and siltation detection device.
Background
In water pollution research, the analysis of the components of underwater sludge is an important component of water research, and in certain specific researches, water bottom sludge samples with different depths are also required, so that the content of pollutants such as heavy metals in the water bottom sludge samples is analyzed. In general, sludge has two general forms: firstly, black mud with higher water content and no forming can be formed, and secondly, a clay layer which is loose and is mixed with plant residues is formed.
The existing silt sample collection equipment is used for collecting the silt on the shallow surface layer through the collector extending into the water on the water surface, the silt on a deeper layer cannot be collected in a segmented mode, the collected silt cannot keep the integrity of a section, the later detection of a silt sample is not facilitated, the sample leakage or sample dilution is likely to occur in the sampling rising process, and the accuracy of the detection of the silt sample is affected.
Disclosure of Invention
Aiming at the technical problems, the invention provides a river sediment accumulation and siltation detection device.
The technical scheme is that the device comprises a supporting device, wherein a driving device is fixedly arranged on the supporting device, a sampling device for collecting a sludge sample is movably connected on the driving device, and the driving device drives the sampling device to move in the vertical direction;
the device also comprises a storage device for storing compressed air;
the supporting device comprises an annular supporting frame and a plurality of supporting legs arranged below the supporting frame in an array manner, a vertical fixing frame is fixedly arranged above the supporting frame, and the driving device is fixedly arranged on one side of the fixing frame;
the air inlet of the floating and sinking air bag is communicated with the inside of the storage device through an air inlet passage.
Preferably, the driving device comprises a vertically arranged frame, the frame is fixedly connected with the fixing frame, a vertical screw rod is rotatably arranged in the middle of the frame, one side of the frame, which is away from the fixing frame, is provided with a guide rail, a sliding connection sliding block is arranged on the guide rail, a threaded hole is formed in the middle of the sliding block, the sliding block is in threaded connection with the screw rod, a motor is arranged at the top end of the frame, the motor is fixedly connected with the frame, a motor shaft of the motor is coaxial with the screw rod, a waterproof shell is arranged at the outer side of the motor, and the motor is detachably connected with the sampling device.
Preferably, the sampling device comprises a cylindrical sampling barrel, wherein two opening and closing mechanisms are arranged in the sampling barrel, and the two opening and closing mechanisms are respectively arranged at the middle part and the lower part in the sampling barrel; the upper end of the sampling barrel is provided with a water outlet, and a check valve is arranged above the water outlet.
Preferably, the opening and closing mechanism comprises a circular bracket, a regular polygon channel is arranged in the middle of the bracket, a plurality of baffles are arranged on the inner circumference array of the regular polygon channel of the bracket, the baffles are triangular plate bodies, one sides of the baffles are hinged with the upper edge of the channel, the baffles are sequentially arranged, the channel of the bracket is blocked after the baffles are horizontally closed, and a clamping block is arranged on one side of the baffle, which is far away from the middle channel of the bracket;
the locking units are arranged above the bracket in a circumferential array manner and are correspondingly arranged on the outer sides of the clamping blocks;
the opening and closing mechanism further comprises an air bag which is arranged on the annular inner side wall of the bracket channel and is annular, an air inlet and an air outlet are formed in the air bag, and the air inlet of the air bag is communicated with the inside of the storage device through an air inlet passage;
the upper surface of the airbag is attached to the lower surface of the baffle after the airbag is inflated, and the baffle is pushed to complete the closing action by the inflation of the airbag.
Preferably, the locking unit comprises an arc plate rotationally connected with the support, the concave side of the arc plate faces the baffle, positioning grooves are respectively formed in two ends of the concave side of the arc plate, a torsion spring is arranged between the arc plate and the support, a linkage frame is arranged on the upper portion of the arc plate, the lower surface of the linkage frame is attached to the upper end of the arc plate, an air cylinder is arranged between the linkage frame and the support, and the extension of the air cylinder and the inflation of the air bag form a serial air path.
Preferably, the storage device comprises a gas cylinder arranged on one side of the fixing frame, a gas inlet and a gas outlet are arranged on the gas cylinder, the gas outlet of the gas cylinder is communicated with the floating and sinking air bag through a gas pipe respectively, and electromagnetic valves are arranged between the gas cylinder and the gas passages of the air bag and the floating and sinking air bag respectively.
Preferably, the check valve comprises a bracket fixedly connected with the upper end of the sampling barrel, a water stop plate is arranged below the bracket, the water stop plate corresponds to the drain hole, the diameter of the water stop plate is larger than the inner diameter of the drain hole, a telescopic rod is arranged between the water stop plate and the bracket, a spring is sleeved on the outer side of the telescopic rod, and two ends of the spring are respectively fixedly connected with the water stop plate and the bracket.
Preferably, electromagnetic pins are arranged on the upper side surface and the lower side surface of the sliding block, a slot is arranged at the upper end of the sampling barrel, pin holes are formed in the upper side surface and the lower side surface of the slot, the pin holes correspond to the electromagnetic pins, and the sampling barrel is detachably connected with the sliding block through the slot.
Preferably, a proximity sensor is arranged at the upper end of the inside of the sampling barrel, and the proximity sensor and the electromagnetic valve form a control loop.
The technical scheme provided by the embodiment of the invention has the beneficial effects that: the method has the advantages that sludge with different depths can be collected at one time, the collected section can be ensured to be complete, the precision of sample detection is ensured, and the data of various heavy metal pollution in different forms of sludge with the same section can be effectively observed; the method has the advantages that the collected sludge sample is prevented from leakage and sample dilution, the detection precision is high, the sludge collection efficiency is high, the use is convenient, and the sludge can be collected rapidly.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present invention.
Fig. 2 is a schematic view of a supporting device according to an embodiment of the invention.
FIG. 3 is a schematic diagram of an inflatable state of a sinking and floating airbag according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a sampling device according to an embodiment of the present invention.
Fig. 5 is a schematic view of an opening and closing mechanism according to an embodiment of the invention.
Fig. 6 is a schematic diagram illustrating an opening state of an opening and closing mechanism according to an embodiment of the present invention.
Fig. 7 is a schematic view showing an inflated state of an airbag according to an embodiment of the present invention.
Fig. 8 is a schematic view of an arcuate plate according to an embodiment of the present invention.
Wherein, the reference numerals are as follows: 1. a support device; 1-1, a supporting frame; 1-2, supporting legs; 1-3, fixing frame; 1-4, floating and sinking air bags; 2. a driving device; 2-1, rails/frames; 2-2, sliding blocks; 2-3, a motor; 3. a sampling device; 3-1, sampling barrel; 3-21, a bracket; 3-22, baffle plates; 3-24, a locking unit; 3-25, an air bag; 3-26, arc plate; 3-27, a positioning groove; 3-28, a linkage frame; 3-29, an air cylinder; 3-3, a water outlet; 3-4, check valve; 3-41, a bracket; 3-42, a water stopping plate; 3-43, a spring; 4. a storage device; 4-1, a gas cylinder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 8, the present invention provides a river sediment accumulation detection device,
the device comprises a supporting device 1, wherein a driving device 2 is fixedly arranged on the supporting device 1, a sampling device 3 for collecting a sludge sample is movably connected to the driving device 2, and the driving device 2 drives the sampling device 3 to move in the vertical direction;
further comprising a storage device 4 for storing compressed air;
the supporting device 1 comprises an annular supporting frame 1-1 and a plurality of supporting legs 1-2 arranged below the supporting frame 1-1 in an array manner, and a disc-type base plate is arranged below the supporting legs 1-2, so that the device can stay on sludge without sinking; a vertical fixing frame 1-3 is fixedly arranged above the supporting frame 1-1, and a driving device 2 is fixedly arranged on one side of the fixing frame 1-3;
the air inlet of the floating and sinking air bag 1-4 is communicated with the inside of the storage device 4 through an air inlet passage.
The driving device 2 comprises a frame 2-1 which is vertically arranged, the frame 2-1 is fixedly connected with a fixing frame 1-3, a vertical screw rod is rotatably arranged in the middle of the frame 2-1, a guide rail is arranged on one side, which is away from the fixing frame 1-3, of the frame 2-1, a sliding block 2-2 is connected to the guide rail in a sliding manner, a threaded hole is formed in the middle of the sliding block 2-2, the sliding block 2-2 is in threaded connection with the screw rod, a motor 2-3 is arranged at the top end of the frame 2-1, the motor 2-3 is fixedly connected with the frame 2-1, a motor shaft of the motor 2-3 is coaxial with the screw rod, a waterproof shell is arranged on the outer side of the motor 2-3, and the sampling device 3 is detachably connected to the sliding block 2-2.
The sampling device 3 comprises a barrel-shaped sampling barrel 3-1, wherein two opening and closing mechanisms are arranged in the sampling barrel 3-1, and the two opening and closing mechanisms are respectively arranged at the middle part and the lower part in the sampling barrel 3-1; the upper end of the sampling barrel 3-1 is provided with a water outlet 3-3, a check valve 3-4 is arranged above the water outlet 3-3, the lower end of the sampling barrel 3-1 is provided with a conical guide plate, and the guide plate can assist the sampling barrel 3-1 to be inserted into sludge; .
The opening and closing mechanism comprises a circular bracket 3-21, a regular polygon-shaped channel is arranged in the middle of the bracket 3-21, a plurality of baffles 3-22 are arranged in a circumferential array in the regular polygon-shaped channel of the bracket 3-21, the baffles 3-22 are triangular plate bodies, one sides of the baffles 3-22 are hinged with the upper edge of the channel, the baffles 3-22 are sequentially arranged, the channel of the bracket 3-21 is blocked after the baffles 3-22 are horizontally closed, and a clamping block 3-23 is arranged on one side of the baffle 3-22, which is far away from the middle channel of the bracket 3-21;
the locking units 3-24 are arranged above the bracket 3-21 in a circumferential array, and the locking units 3-24 are correspondingly arranged on the outer sides of the clamping blocks 3-23;
the opening and closing mechanism further comprises an air bag 3-25 arranged on the annular inner side wall of the channel of the bracket 3-21, the air bag 3-25 is annular, an air inlet and an air outlet are arranged on the air bag 3-25, and the air inlet of the air bag 3-25 is communicated with the inside of the storage device 4 through an air inlet passage;
after the air bag 3-25 is inflated, the upper surface of the air bag 3-25 is attached to the lower surface of the baffle plate 3-22, and the baffle plate 3-22 is pushed by the inflation of the air bag 3-25 to complete the closing action.
The locking unit 3-24 comprises an arc-shaped plate 3-26 rotationally connected with the bracket 3-21, the concave side of the arc-shaped plate 3-26 faces the baffle 3-22, positioning grooves 3-27 are respectively formed in two ends of the concave side of the arc-shaped plate 3-26, a torsion spring is arranged between the arc-shaped plate 3-26 and the bracket 3-21, a linkage frame 3-28 is arranged on the upper portion of the arc-shaped plate 3-26, the lower surface of the linkage frame 3-28 is attached to the upper end of the arc-shaped plate 3-26, an air cylinder 3-29 is arranged between the linkage frame 3-28 and the bracket 3-21, and a serial air path is formed by stretching out of the air cylinder 3-29 and inflating an air bag 3-25.
The opening and closing mechanism has two states: an initial state and a working state; the initial state of the opening and closing mechanism is that the air bag 3-25 below the baffle plate 3-22 is not inflated, the baffle plate 3-22 is changed into an inclined state from a horizontal state under the condition of dead weight at one end, and a clamping block at the rear end of the baffle plate 3-22 is inserted into a positioning groove 3-27 at the upper end of the arc plate 3-26; the working state is that after the upper end of the collection barrel 3-1 is close to the sensor and the sensor senses that the sampling barrel 3-1 is full, an electromagnetic valve communicated with the air bags 3-25 in the air storage device 4 is started, compressed air in the air bottle 4-1 is connected into the two air bags 3-25 of the opening and closing mechanism through air pipes under the action of self pressure, the air cylinders 3-29 jack up the linkage frame 3-28 along with the inflation of the air bags 3-25 and the extension of the air cylinders 3-29, the arc-shaped plates 3-26 rotate upwards under the action of torsion springs, the positioning grooves 3-27 are separated from clamping blocks, the air bags 3-25 continuously inflate to drive the baffle plates 3-22 to rotate until the upper surfaces of the baffle plates 3-22 are flush, at the moment, the baffle plates 3-22 form a closed plate, and the clamping blocks 3-23 at the rear sides of the baffle plates clamp the positioning grooves 3-27 at the lower ends of the arc-26.
The locking unit 3-24 can fix the baffle plate 3-22 in both the initial state and the working state of the opening and closing mechanism, and prevent the baffle plate 3-22 from displacing due to the action of sludge, thereby influencing the collection effect.
A water retaining adhesive tape is arranged between the collecting barrel 3-1 and the opening and closing mechanism, and can effectively prevent water or silt from entering the opening and closing mechanism.
The storage device 4 comprises a gas cylinder 4-1 arranged on one side of the fixing frame 1-3, wherein a gas inlet and a gas outlet are arranged on the gas cylinder 4-1, the gas outlet of the gas cylinder 4-1 is respectively communicated with the floating and sinking air bag 1-4 and the air bag 3-25 through a gas pipe, and electromagnetic valves are respectively arranged between the gas passages of the gas cylinder 4-1, the air bag 3-25 and the floating and sinking air bag 1-4.
The check valve 3-4 comprises a support 3-41 fixedly connected with the upper end of the sampling barrel 3-1, a water stop plate 3-42 is arranged below the support 3-41, the water stop plate 3-42 corresponds to the drain hole 3-3, the diameter of the water stop plate 3-42 is larger than the inner diameter of the drain hole 3-3, a telescopic rod is arranged between the water stop plate 3-42 and the support 3-41, a spring 3-43 is sleeved on the outer side of the telescopic rod, and two ends of the spring 3-43 are fixedly connected with the water stop plate 3-42 and the support 3-41 respectively.
In the process of inserting the sampling barrel 3-1 into the sludge, the pressure in the sampling barrel 3-1 is larger than the pressure of a spring, water in the sampling barrel 3-1 jacks up the water stop plate 3-42 and is discharged along the water outlet 3-3, the spring is reset when the sampling barrel 3-1 does not move, the water stop plate 3-42 jacks up the water outlet 3-3, a closed space is formed in the sampling barrel 3-1, and sample dilution can be prevented from occurring due to water backflow in the rising process of the sampling barrel 3-1.
The upper side and the lower side of the sliding block 2-2 are provided with electromagnetic pins, the upper end of the sampling barrel 3-1 is provided with a slot, the upper side and the lower side of the slot are provided with pin holes, the pin holes correspond to the electromagnetic pins, and the sampling barrel 3-1 is detachably connected with the sliding block 2-2 through the slot.
The sampling barrel 3-1 is connected with a sliding block 2-2 of the driving device 2, the sliding block 2-2 is inserted into a slot at the upper end of the sampling barrel 3-1, then an electromagnetic pin pops out, a pin shaft of the electromagnetic pin is inserted into a pin hole of the slot, and the sampling barrel 3-1 is fixed on the sliding block.
The upper end of the inside of the sampling barrel 3-1 is provided with a proximity sensor, and the proximity sensor and the electromagnetic valve form a control loop.
When the device is used, the device is placed above an area to be collected, the device is submerged in the water, the sampling barrel 3-1 is driven by the driving device 2 to move downwards after the device is submerged in the water, the opening and closing mechanism is in an opening state, sludge is conveniently collected, the sampling barrel 3-1 is inserted into the sludge, and then the opening and closing mechanism is closed after the sampling barrel 3-1 is fully collected along with continuous deep insertion. Then the floating and sinking air bags 1-4 are inflated, so that the buoyancy generated by the floating and sinking air bags 1-4 is larger than the self weight of the device, and then the device floats out of the water surface from the water bottom.
The electromagnetic pin is contracted, and the sampling barrel 3-1 is taken down from the driving device 2; then deflating the air bag 3-25 at the lower end of the sampling barrel 3-1, forming an opening state by the opening and closing mechanism of the lower layer, dropping out of the sampling barrel under the dead weight of the silt in the sampling barrel, deflating the air bag 3-25 of the upper layer, forming an opening state by the opening and closing mechanism of the upper layer, and taking out the silt of the upper layer.
Example 2
On the basis of embodiment 1, still include the air source distributor that is located and sets up on the sampling bucket outer wall, the intercommunication trachea can be dismantled to air inlet end of air source distributor, tracheal other end intercommunication solenoid valve and gas cylinder 4-1, air inlet of two air bags 3-25 of air source distributor's the end of giving vent to anger respectively through trachea fixed connection, through the dismantlement of trachea and air source distributor, can separate trachea and sampling device 3 after sampling device 3 takes off, removes sampling device 3 to the detection zone after the separation, takes out silt and detects the sample.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The river sediment accumulation and siltation detection device is characterized by comprising a support device (1), wherein a driving device (2) is fixedly arranged on the support device (1), a sampling device (3) for collecting a silt sample is movably connected to the driving device (2), and the driving device (2) drives the sampling device (3) to move in the vertical direction;
also comprises a storage device (4) for storing compressed air;
the supporting device (1) comprises an annular supporting frame (1-1) and a plurality of supporting legs (1-2) arranged below the supporting frame (1-1) in an array manner, a vertical fixing frame (1-3) is fixedly arranged above the supporting frame (1-1), and the driving device (2) is fixedly arranged on one side of the fixing frame (1-3);
the floating and sinking air bag (1-4) is fixedly connected to the outer side of the supporting frame (1-1), an air inlet and an air outlet are formed in the floating and sinking air bag (1-4), and the air inlet of the floating and sinking air bag (1-4) is communicated with the inside of the storage device (4) through an air inlet passage;
the driving device (2) comprises a vertically arranged frame (2-1), the frame (2-1) is fixedly connected with the fixing frame (1-3), a vertical screw rod is rotatably arranged in the middle of the frame (2-1), a guide rail is arranged on one side, deviating from the fixing frame (1-3), of the frame (2-1), a sliding block (2-2) is connected to the guide rail in a sliding mode, a threaded hole is formed in the middle of the sliding block (2-2), the sliding block (2-2) is in threaded connection with the screw rod, a motor (2-3) is arranged at the top end of the frame (2-1), the motor (2-3) is fixedly connected with the frame (2-1), a motor shaft of the motor (2-3) is coaxial with the screw rod, a waterproof shell is arranged on the outer side of the motor (2-3), and the sampling device (3) is detachably connected to the sliding block (2-2).
The sampling device (3) comprises a barrel-shaped sampling barrel (3-1), wherein two opening and closing mechanisms are arranged in the sampling barrel (3-1), and the two opening and closing mechanisms are respectively arranged at the middle part and the lower part in the sampling barrel (3-1); a water outlet (3-3) is arranged at the upper end of the sampling barrel (3-1), and a check valve (3-4) is arranged above the water outlet (3-3);
the opening and closing mechanism comprises a circular first bracket (3-21), a regular polygon channel is arranged in the middle of the first bracket (3-21), a plurality of baffles (3-22) are arranged on the inner circumference array of the regular polygon channel of the first bracket (3-21), the baffles (3-22) are triangular plate bodies, one sides of the baffles (3-22) are hinged with the upper edge of the channel, the baffles (3-22) are sequentially arranged, the channel of the first bracket (3-21) is blocked after the baffles (3-22) are horizontally closed, and a clamping block (3-23) is arranged on one side of the baffle (3-22) away from the middle channel of the first bracket (3-21);
the locking units (3-24) are arranged above the first bracket (3-21) in a circumferential array, and the locking units (3-24) are correspondingly arranged on the outer sides of the clamping blocks (3-23);
the opening and closing mechanism further comprises an air bag (3-25) arranged on the annular inner side wall of the channel of the first bracket (3-21), the air bag (3-25) is annular, an air inlet and an air outlet are arranged on the air bag (3-25), and the air inlet of the air bag (3-25) is communicated with the inside of the storage device (4) through an air inlet passage;
the upper surface of the air bag (3-25) is attached to the lower surface of the baffle plate (3-22) after the air bag (3-25) is inflated, and the baffle plate (3-22) is pushed by the inflation of the air bag (3-25) to complete the closing action;
the locking unit (3-24) comprises an arc plate (3-26) rotationally connected with the first support (3-21), the concave side of the arc plate (3-26) faces the baffle (3-22), positioning grooves (3-27) are respectively formed in two ends of the concave side of the arc plate (3-26), torsion springs are arranged between the arc plate (3-26) and the first support (3-21), a linkage frame (3-28) is arranged on the upper portion of the arc plate (3-26), the lower surface of the linkage frame (3-28) is attached to the upper end of the arc plate (3-26), an air cylinder (3-29) is arranged between the linkage frame (3-28) and the first support (3-21), and a serial air passage is formed by extension of the air cylinder (3-29) and inflation of the air bag (3-25).
2. The river sediment accumulation and silt detection device according to claim 1, wherein the storage device (4) comprises a gas cylinder (4-1) arranged on one side of the fixing frame (1-3), a gas inlet and a gas outlet are arranged on the gas cylinder (4-1), the gas outlet of the gas cylinder (4-1) is respectively communicated with the floating and sinking air bag (1-4) and the air bag (3-25) through a gas pipe, and electromagnetic valves are respectively arranged between the gas passages of the gas cylinder (4-1) and the air bag (3-25) and the floating and sinking air bag (1-4).
3. The river sediment accumulation and silt detection device according to claim 1, wherein the check valve (3-4) comprises a second bracket (3-41) fixedly connected with the upper end of the sampling barrel (3-1), a water stop plate (3-42) is arranged below the second bracket (3-41), the water stop plate (3-42) corresponds to the water outlet (3-3), the diameter of the water stop plate (3-42) is larger than the inner diameter of the water outlet (3-3), a telescopic rod is arranged between the water stop plate (3-42) and the second bracket (3-41), a spring (3-43) is sleeved outside the telescopic rod, and two ends of the spring (3-43) are fixedly connected with the water stop plate (3-42) and the second bracket (3-41) respectively.
4. The river sediment accumulation and silt detection device according to claim 1, wherein electromagnetic pins are arranged on the upper side surface and the lower side surface of the sliding block (2-2), a slot is arranged at the upper end of the sampling barrel (3-1), pin holes are arranged on the upper side surface and the lower side surface of the slot, the pin holes correspond to the electromagnetic pins, and the sampling barrel (3-1) is detachably connected with the sliding block (2-2) through the slot.
5. The river sediment accumulation detection device according to claim 2, wherein a proximity sensor is arranged at the upper end inside the sampling barrel (3-1), and the proximity sensor and the electromagnetic valve form a control loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709443.3A CN111795848B (en) | 2020-07-22 | 2020-07-22 | River sediment accumulation and siltation detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709443.3A CN111795848B (en) | 2020-07-22 | 2020-07-22 | River sediment accumulation and siltation detection device |
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| Publication Number | Publication Date |
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| CN111795848A CN111795848A (en) | 2020-10-20 |
| CN111795848B true CN111795848B (en) | 2023-05-12 |
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| CN202010709443.3A Active CN111795848B (en) | 2020-07-22 | 2020-07-22 | River sediment accumulation and siltation detection device |
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| CN112014150B (en) * | 2020-10-28 | 2021-01-26 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Portable coastal zone is deep geology columnar sediment collection system under water |
| CN112485049B (en) * | 2020-12-22 | 2022-09-27 | 内蒙古富源新纪检测有限责任公司 | Soil sample collection device |
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