CN114878232A

CN114878232A - Unmanned aerial vehicle water sampling device

Info

Publication number: CN114878232A
Application number: CN202210533371.0A
Authority: CN
Inventors: 张忠亮; 华飞; 吴康; 姚有智; 叶舟; 刘雪龙; 于悦悦; 马通; 张凯翔
Original assignee: Wuhu Institute of Technology
Current assignee: Wuhu Institute of Technology
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-09

Abstract

The invention discloses an unmanned aerial vehicle water sampling device, which relates to the technical field of water sampling, and comprises a box body and a driving mechanism, wherein the sampling device can be thrown into a sampling water area by an unmanned aerial vehicle for sampling, a limit groove on a chain wheel of the driving mechanism drives a drainage sliding plate to move so as to increase and decrease water in a water pressing tank so as to enable the box body to sink or float, meanwhile, a limit strip on a chain belt driven by the chain wheel can drive a piston block in a sampling box to move in the sinking process so as to enable water to enter the sampling box, a clamping plate, an inclined plate and a spring are arranged on a cover plate of the sampling box, the collected water is conveniently taken out from the sampling box, in addition, a sediment sampling mechanism is provided with a sampling pipe with a spiral shape inside, the sampling of underwater sediments can be rapidly carried out under the acceleration of a speed increaser, the whole sampling device is very convenient to use and can be thrown by the unmanned aerial vehicle, the personal health and safety of sampling personnel are guaranteed.

Description

Unmanned aerial vehicle water sampling device

Technical Field

The invention relates to the technical field of water body sampling, in particular to an unmanned aerial vehicle water body sampling device.

Background

In water environment monitoring work, the collection of traditional water body samples is carried out by walking and taking a boat, and the manpower sampling is relied on, so that the efficiency is not high, the risk is higher, and the time is consumed. Sometimes, the sampling position has complex terrain, the transportation is inconvenient, the ship is difficult to transport, and the sampling work is difficult to develop. The position of adding water sample collection is usually in the place that the topography is complicated such as river lake central authorities, and when epidemic situation district or heavily polluted area sampling, the personal health safety of sampling personnel very easily receives danger, to above problem, based on the requirement to the accuracy and the flexibility of water sampling, this paper has proposed an unmanned aerial vehicle water sampling device.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle water body sampling device to overcome the defects in the prior art.

The utility model provides an unmanned aerial vehicle water sampling device, includes box and actuating mechanism, be equipped with respectively all around of box and sink and float the mechanism, the both sides of box are equipped with water sampling mechanism respectively, the bottom of box is equipped with deposit sampling mechanism, actuating mechanism locates in the box and is used for the drive to sink and float the mechanism and carry out sinking of box, drive water sampling mechanism carries out water sample and drive deposit sampling mechanism and carries out submarine deposit sample, the top symmetry of box is equipped with and is used for fixing the pole of picking up on unmanned aerial vehicle.

Preferably, the driving mechanism comprises a double-shaft motor, a first rotating shaft and a second rotating shaft, the double-shaft motor is installed in the box body, a first bevel gear is installed on an output shaft at the upper side of the double-shaft motor, the first rotating shaft is rotatably connected in the box body, a second bevel gear meshed with the first bevel gear is installed on the first rotating shaft, the second rotating shaft is provided with two and symmetrical second bevel gears which are arranged on two sides of the first rotating shaft and rotatably connected with the box body, a chain wheel and a third bevel gear are installed on the second rotating shaft, a fourth bevel gear meshed with the third bevel gear is installed at two ends of the first rotating shaft respectively, a vortex-shaped limiting groove is formed in the bottom end of the chain wheel, and the two chain wheels are connected through a chain belt.

Preferably, the ups and downs mechanism includes pressure water tank, drainage slide and slide bar, pressure water tank is fixed in on the box and extends to in the box, the outer end of pressure water tank is seted up the through-hole and its inner end has seted up air vent one, drainage slide sliding connection in pressure water tank and fix on the slide bar, slide bar sliding connection pressure water tank and one end is pegged graft in the spacing groove of sprocket.

Preferably, water sampling mechanism includes sampling box, piston piece and pull rod, the side of box is located to the sampling box, and one side of sampling box articulates through the hinge has the apron, and the one end slope of apron is provided with the hang plate, the tip of hang plate rotates and is connected with the cardboard, is connected with the spring between cardboard and the hang plate, be equipped with on the cardboard with the draw-in groove of the fixture block joint on the box, be equipped with the water inlet on the apron, the apron rotates in the water inlet inboard and is connected with the rubber slab, piston piece sliding connection is in the sampling box, and the one end of sampling box is equipped with air vent two, the pull rod is U type structure and sliding connection on the sampling box, and the one end and the piston piece of pull rod are connected, and another pot head is located on the chain belt, install trigger switch in the box, be equipped with the spacing that is used for triggering trigger switch on the chain belt.

Preferably, sediment sampling mechanism includes spacing traveller, sliding sleeve and electric putter, the downside output shaft of biax motor is connected with the input shaft of speed increaser, be equipped with spacing traveller on the output shaft of speed increaser, the circumference equipartition along spacing traveller has a plurality of draw slivers, draw slivers sliding connection in the sliding sleeve, it is connected with the spacing ring to rotate on the sliding sleeve, electric putter vertical fixation is in the box, and electric putter's telescopic link top is fixed with the spacing ring, the bottom threaded connection of sliding sleeve has the sampling tube, and the inside of sampling tube is the heliciform.

The invention has the following advantages:

when the sampling device is used, the unmanned aerial vehicle can be used for throwing the sampling device into a sampling water area for sampling, the limiting groove on the chain wheel of the driving mechanism drives the drainage sliding plate to move so as to increase and decrease water in the water pressing tank to enable the tank body to sink or float, meanwhile, the limiting strip on the chain belt driven by the chain wheel drives the piston block in the sampling box to move so as to enable water to enter the sampling box in the sinking process, the clamping plate, the inclined plate and the spring are arranged on the cover plate of the sampling box, the collected water can be conveniently taken out of the sampling box, in addition, the sediment sampling mechanism is provided with the sampling pipe which is spiral inside, and underwater sediments can be quickly sampled under the acceleration of the speed increaser, the whole sampling device is very convenient to use, the unmanned aerial vehicle can be used for throwing, and the personal health safety of sampling personnel can be guaranteed.

Drawings

Fig. 1 is a schematic overall three-dimensional structure of the present invention.

Fig. 2 and 3 are schematic diagrams of different angle structures of the driving mechanism and the sinking and floating mechanism of the invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a partially enlarged view of fig. 3 at B.

FIG. 6 is a schematic structural view of a sediment sampling mechanism according to the present invention.

Wherein: 1. a box body 11, a picking rod 12, a fixture block 2, a driving mechanism 21, a double-shaft motor 211, a first bevel gear 22, a first rotating shaft 221, a second bevel gear 222, a fourth bevel gear 23, a second rotating shaft 231, a chain wheel 2311, a limiting groove 232, a third bevel gear 24, a chain belt 3, a sinking and floating mechanism 31, a water pressing tank 311, a through hole 312, a vent hole I, a vent hole 32, a drainage sliding plate 33, a sliding rod 4, a water body sampling mechanism 41, a sampling box 411, a cover plate 412, a water inlet 413, a vent hole II, a 42, a tilting plate 43, a clamping plate 431, a clamping groove 44, a spring 45, a rubber plate 46, a piston block 47, a pull rod 48, a trigger switch 49, a limiting strip, a 5, a sediment sampling mechanism 51, a speed increaser 52, a limiting sliding column 521, a sliding strip 53, a sliding sleeve 54, a limiting ring 55 and an electric push rod, 56. and a sampling tube.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention.

As shown in fig. 1-6, the invention provides an unmanned aerial vehicle water sampling device, which comprises a box body 1 and a driving mechanism 2, wherein the periphery of the box body 1 is respectively provided with a sinking and floating mechanism 3, two sides of the box body 1 are respectively provided with a water sampling mechanism 4, the bottom of the box body 1 is provided with a sediment sampling mechanism 5, the driving mechanism 2 is arranged in the box body 1 and is used for driving the sinking and floating mechanism 3 to sink the box body 1, driving the water sampling mechanism 4 to sample water and driving the sediment sampling mechanism 5 to sample underwater sediments, the top of the box body 1 is symmetrically provided with a picking rod 11 which is used for being fixed on an unmanned aerial vehicle, and the arranged picking rod 11 can facilitate the unmanned aerial vehicle to quickly pick up the box body 1.

It should be noted that the driving mechanism 2 includes a dual-shaft motor 21, a first rotating shaft 22 and a second rotating shaft 23, the dual-shaft motor 21 is installed in the box body 1, a first bevel gear 211 is installed on an upper output shaft of the dual-shaft motor 21, the first rotating shaft 22 is rotatably connected in the box body 1, a second bevel gear 221 meshed with the first bevel gear 211 is installed on the first rotating shaft 22, the second rotating shaft 23 is provided with two second bevel gears 222 symmetrically installed on two sides of the first rotating shaft 22 and rotatably connected with the box body 1, a chain wheel 28 and a third bevel gear 232 are installed on the second rotating shaft 23, fourth bevel gears 222 meshed with the third bevel gear 232 are respectively installed on two ends of the first rotating shaft 22, a vortex-shaped limiting groove 2311 is opened at the bottom end of the chain wheel 231, the two chain wheels 231 are connected by a chain belt 24, the box body 1 starts the dual-shaft motor 21 after contacting a water body, the output shaft of the double-shaft motor 21 drives the first rotating shaft 22 to rotate through the first bevel gear 211, the fourth bevel gear 222 on the first rotating shaft 22 drives the second rotating shaft 23 to rotate, the chain wheel 231 on the second rotating shaft 23 rotates along with the first bevel gear, and the chain belt 24 between the two chain wheels 231 drives the water bodies with different sampling depths of the two water body sampling mechanisms 4, so that sufficient and high-quality samples are provided for subsequent water body analysis, and data persuasion is improved.

In addition, the sinking and floating mechanism 3 comprises a pressure water tank 31, a drainage sliding plate 32 and a sliding rod 33, the pressure water tank 31 is fixed on the box body 1 and extends into the box body, the outer end of the pressure water tank 31 is provided with a through hole 311, the inner end of the pressure water tank 31 is provided with a vent hole 312, the drainage sliding plate 32 is connected in the pressure water tank 31 in a sliding manner and is fixed on the sliding rod 33, the sliding rod 33 is connected with the pressure water tank 31 in a sliding manner, one end of the sliding rod 33 is inserted into the limit groove 2311 of the chain wheel 231, the chain wheel 231 rotates to drive the sliding rod to move, the drainage sliding plate 32 in the pressure water tank 31 moves along with the sliding movement, external water enters the pressure water tank 31 through the through hole 311 in the pressure water tank 31, the gravity of the whole device is greater than the upward buoyancy, sinking is completed, when the chain wheel 231 rotates reversely, the water in the pressure water tank 31 is drained, the gravity of the device can be reduced, and the buoyancy is greater than the downward gravity, and the upward floating is realized, therefore, the sampling of water bodies with different depths is facilitated, and a water body sample is obtained better.

In addition, the water sampling mechanism 4 comprises a sampling box, a piston block and a pull rod, the sampling box 41 is arranged on the side surface of the box body 1, one side of the sampling box 41 is hinged with a cover plate 411 through a hinge, one end of the cover plate 411 is obliquely provided with an inclined plate 42, the end part of the inclined plate 42 is rotatably connected with a clamping plate 43, a spring 44 is connected between the clamping plate 43 and the inclined plate 42, the clamping plate 43 is provided with a clamping groove 431 in clamping connection with a clamping block 12 on the box body 1, when the sampling box needs to be opened, the clamping plate 43 only needs to be pushed towards the inclined plate 42, the clamping plate 43 is separated from the clamping block 12 on the box body 1, the disassembly can be completed, so that the water body can be conveniently taken out from the sampling box 41, the sampling efficiency is greatly improved, the cover plate 411 is provided with a water inlet 411, the cover plate 411 is rotatably connected with a rubber plate 45 on the inner side of the water inlet 412, and the piston block 46 is slidably connected in the sampling box 41, one end of the sampling box 41 is provided with a second vent hole 413, the pull rod 47 is of a U-shaped structure and is slidably connected to the sampling box 41, one end of the pull rod 47 is connected with the piston block 46, the other end of the pull rod 47 is sleeved on the chain belt 24, the box body 1 is internally provided with the trigger switch 48, the chain belt 24 is provided with a limit strip 49 for triggering the trigger switch 48, the limit strip on the chain belt 231 pushes the pull rod 47, the pull rod 47 drives the piston block 46 in the sampling box 41 to move, so that water enters the sampling box 41 through the water inlet 412 on the cover plate 411 to complete the water collection work, the limit strip 49 does not drive the pull rod 47 in the resetting process, the obtained sample cannot be released into the water, the rubber plate 45 at the position of the water inlet 412 has the function of isolating the inside and the outside of the sampling box 41, and when the piston block 46 is not moved any more, the rubber plate 45 with the elastic function automatically resets to the function of sealing the water inlet 412, the sample is prevented from secondary contamination.

It should be noted that the sediment sampling mechanism 5 includes a limiting sliding column 52, a sliding sleeve 53 and an electric push rod 55, the lower output shaft of the dual-shaft motor 21 is connected with the input shaft of the speed increaser 51, the limiting sliding column 52 is arranged on the output shaft of the speed increaser 51, a plurality of sliding bars 521 are uniformly distributed along the circumference of the limiting sliding column 52, the sliding bars 521 are slidably connected in the sliding sleeve 53, a limiting ring 54 is rotatably connected on the sliding sleeve 53, the electric push rod 55 is vertically fixed in the box body 1, the top end of the telescopic rod of the electric push rod 55 is fixed with the limiting ring 54, the bottom end of the sliding sleeve 53 is in threaded connection with a sampling tube 56, the interior of the sampling tube 56 is in a spiral shape, as the water inside the water tank 31 increases, finally the box body 1 reaches the bottom of the water body, the electric push rod 55 is started, the sliding sleeve 53 is driven by the telescopic rod of the electric push rod 55 and the limiting ring 54 to slide towards the bottom, the sampling tube 56 installed on the sliding sleeve 53 contacts with the sediment, biax motor 21 realizes spacing traveller 52 doubly fast rotations through speed increaser 51, spacing traveller 52 drive sliding sleeve 53 is high-speed rotatory, then sampling tube 56 begins to connect the deposit sample, because the inside of sampling tube 56 is the heliciform, then the sample is quicker, and then be convenient for sample the deposit of water bottom, thereby the sample and the submarine enrichment of the different water of effectual collection, provide high-quality for the analysis of water, abundant sample, the device is gathering the back that finishes, when trigger switch 48 is triggered by spacing 49, biax motor 21 antiport, water in the compression box discharges, the box floats to the water surface, wait for unmanned aerial vehicle to pick up.

The specific implementation mode and principle are as follows:

in practical application, the unmanned aerial vehicle transports the sampling device to a corresponding water body sampling area through the picking rod on the box body, and puts the sampling device on the water surface, the double-shaft motor 21 is started, the output shaft on the upper side of the double-shaft motor 21 drives the first rotating shaft 22 to rotate through the first bevel gear 211, the output shaft on the lower side drives the sliding sleeve 53 and the sampling tube 56 to rotate, the fourth bevel gear 222 on the first rotating shaft 22 drives the second rotating shaft 23 to rotate, the chain wheel 231 on the second rotating shaft 23 rotates along with the first rotating shaft, the chain belt 24 between the two chain wheels 231 rotates, the limiting strip on the chain belt 231 pushes the pull rod 47, the pull rod 47 drives the piston block 46 in the sampling box 41 to move, so that the water body enters the sampling box 41 through the water inlet 412 on the cover plate 411, the water body is collected, the limiting strip 49 does not drive the pull rod 47 any more in the resetting process, the obtained sample is not released into the water body, the rubber plate 45 at the position of the water inlet 412 has the function of isolating the inside and the outside of the sampling box 41, when the piston block 46 is not moved any more, the rubber plate 45 with the elastic function can automatically reset to the function of sealing the water inlet 412 to prevent the sample from secondary pollution, as the water inside the pressurized water tank 31 increases, finally the box body 1 reaches the bottom of the water body, the electric push rod 55 is started, the sliding sleeve 53 is driven to slide towards the bottom by the telescopic rod of the electric push rod 55 and the limiting ring 54, the sampling pipe 56 installed on the sliding sleeve 53 contacts the sediment at the bottom of the water, the double-shaft motor realizes the speed-doubling rotation of the limiting sliding column 52 by the speed increaser 51, the limiting sliding column 52 drives the sliding sleeve 53 to rotate at a high speed, the sampling pipe 56 starts to be connected with the sediment for sampling, as the sampling pipe 56 is spiral inside, the sampling is quicker, the sediment at the bottom of the water body can be conveniently sampled, thereby effectively collecting the samples and the sediment of different water bodies, for the analysis of water provides high-quality, abundant sample, the device is after finishing gathering, when trigger switch 48 triggered by spacing strip 49, double-shaft motor 21 antiport, and the water in the compression case is discharged, and the box floats to the water surface, waits for unmanned aerial vehicle to pick up.

The invention has been described above with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention, including those based on the spirit and scope of the invention, or other applications without modification.

Claims

1. The utility model provides an unmanned aerial vehicle water sampling device which characterized in that: including box (1) and actuating mechanism (2), be equipped with respectively all around of box (1) and sink and float mechanism (3), the both sides of box (1) are equipped with water sampling mechanism (4) respectively, the bottom of box (1) is equipped with deposit sampling mechanism (5), actuating mechanism (2) are located in box (1) and are arranged in the drive to sink and float mechanism (3) and carry out sinking, drive water sampling mechanism (4) of box (1) and carry out the water sample and drive deposit sampling mechanism (5) and carry out submarine deposit sample, the top symmetry of box (1) is equipped with and is used for fixing picking up pole (11) on unmanned aerial vehicle.

2. The unmanned aerial vehicle water sampling device of claim 1, wherein: the driving mechanism (2) comprises a double-shaft motor (21), a first rotating shaft (22) and a second rotating shaft (23), the double-shaft motor (21) is installed in the box body (1), a first bevel gear (211) is installed on an output shaft on the upper side of the double-shaft motor (21), the first rotating shaft (22) is rotatably connected in the box body (1), a second bevel gear (221) meshed with the first bevel gear (211) is installed on the first rotating shaft (22), the second rotating shaft (23) is provided with two fourth bevel gears (222) which are symmetrically arranged on two sides of the first rotating shaft (22) and rotatably connected with the box body (1), a chain wheel (28) and a third bevel gear (232) are installed on the second rotating shaft (23), fourth bevel gears (222) meshed with the third bevel gears (232) are respectively installed on two ends of the first rotating shaft (22), and a vortex-shaped limiting groove (2311) is formed in the bottom end of the chain wheel (231), the two chain wheels (231) are connected through a chain belt (24).

3. The unmanned aerial vehicle water sampling device of claim 2, wherein: the sinking and floating mechanism (3) comprises a pressure water tank (31), a drainage sliding plate (32) and a sliding rod (33), the pressure water tank (31) is fixed on the box body (1) and extends into the box body, a through hole (311) is formed in the outer end of the pressure water tank (31) and a vent hole I (312) is formed in the inner end of the pressure water tank, the drainage sliding plate (32) is connected in the pressure water tank (31) in a sliding mode and fixed on the sliding rod (33), and the sliding rod (33) is connected with the pressure water tank (31) in a sliding mode and one end of the sliding rod is inserted into a limiting groove (2311) of the chain wheel (231).

4. The unmanned aerial vehicle water sampling device of claim 2, wherein: the water body sampling mechanism (4) comprises a sampling box, a piston block and a pull rod, wherein the sampling box (41) is arranged on the side face of the box body (1), one side of the sampling box (41) is hinged with a cover plate (411) through a hinge, one end of the cover plate (411) is obliquely provided with an inclined plate (42), the end part of the inclined plate (42) is rotatably connected with a clamping plate (43), a spring (44) is connected between the clamping plate (43) and the inclined plate (42), the clamping plate (43) is provided with a clamping groove (431) which is clamped with a clamping block (12) on the box body (1), the cover plate (411) is provided with a water inlet (411), the cover plate (411) is rotatably connected with a rubber plate (45) on the inner side of the water inlet (412), the piston block (46) is slidably connected in the sampling box (41), one end of the sampling box (41) is provided with a second air vent hole (413), the pull rod (47) is of a U-shaped structure and is slidably connected on the sampling box (41), one end of the pull rod (47) is connected with the piston block (46), the other end of the pull rod is sleeved on the chain belt (24), a trigger switch (48) is installed in the box body (1), and a limiting strip (49) used for triggering the trigger switch (48) is arranged on the chain belt (24).

5. The unmanned aerial vehicle water sampling device of claim 2, wherein: the sediment sampling mechanism (5) comprises a limiting sliding column (52), a sliding sleeve (53) and an electric push rod (55), an output shaft of the lower side of the double-shaft motor (21) is connected with an input shaft of the speed increaser (51), the output shaft of the speed increaser (51) is provided with the limiting sliding column (52), a plurality of sliding strips (521) are uniformly distributed along the circumference of the limiting sliding column (52), the sliding strips (521) are connected in the sliding sleeve (53) in a sliding mode, the sliding sleeve (53) is connected with a limiting ring (54) in a rotating mode, the electric push rod (55) is vertically fixed in the box body (1), the top end of a telescopic rod of the electric push rod (55) is fixed with the limiting ring (54), the bottom end of the sliding sleeve (53) is connected with a sampling tube (56) in a threaded mode, and the interior of the sampling tube (56) is spiral.