CN110779761B - Lake silt sampling device - Google Patents
Lake silt sampling device Download PDFInfo
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- CN110779761B CN110779761B CN201911116428.1A CN201911116428A CN110779761B CN 110779761 B CN110779761 B CN 110779761B CN 201911116428 A CN201911116428 A CN 201911116428A CN 110779761 B CN110779761 B CN 110779761B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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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
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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
- G01N2001/1031—Sampling from special places
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Abstract
The invention relates to a sampling device, in particular to a lake sludge sampling device, which comprises a buoyancy support, a driving mechanism, a positioning mechanism, a connecting support, a normal position motor, a retraction mechanism and a sampling mechanism, wherein the buoyancy support is connected with the driving mechanism; fixedly connected with actuating mechanism on the buoyancy support, four positioning mechanism of fixedly connected with on the actuating mechanism, four positioning mechanism are located actuating mechanism's all around four sides respectively, fixedly connected with linking bridge on the actuating mechanism, fixedly connected with normal position motor on the linking bridge, can provide certain buoyancy through the buoyancy support, make the device can float on the surface of water, provide certain power for the motion of device on the lake surface through actuating mechanism, through the relative position of four accurate positioning mechanism devices on the lake surface, slide on the linking bridge through normal position motor drive receive and release mechanism, guarantee that receive and release mechanism's receive and release rope is in vertical state when receiving and releasing, receive and release the rope and send into the sampling mechanism into the lake bottom and sample silt.
Description
Technical Field
The invention relates to a sampling device, in particular to a lake sludge sampling device.
Background
For example, a lake sludge sampling device disclosed by the publication number CN109470525A comprises a sampling roller, wherein two rows of screw holes are annularly arrayed on the outer circumferential surface of the sampling roller, a sampling pipe which is screwed and matched with the screw holes is arranged in each screw hole, a positioning shaft which is rotationally connected and matched with the sampling roller is arranged in the sampling roller, two ends of the positioning shaft are respectively and radially welded with a drag rod, a cross rod is welded between the end parts of the two drag rods, two ends of the positioning shaft respectively extend outwards to form a supporting shaft rod, and a supporting connecting rod which is rotationally connected and matched with the supporting shaft rod is arranged at the end part of the supporting shaft; the invention has the disadvantage that the sludge sampling can not be carried out aiming at one point of a large-area lake.
Disclosure of Invention
The invention aims to provide a lake sludge sampling device which can sample sludge at one point of a large-area lake.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a lake silt sampling device, includes buoyancy support, actuating mechanism, positioning mechanism, linking bridge, normal position motor, jack and sampling mechanism, fixedly connected with actuating mechanism on the buoyancy support, four positioning mechanism of fixedly connected with on the actuating mechanism, four positioning mechanism are located actuating mechanism's four sides all around respectively, and fixedly connected with linking bridge on the actuating mechanism, fixedly connected with normal position motor on the linking bridge, jack sliding connection is on the linking bridge, and jack passes through threaded connection on the output shaft of normal position motor, and jack's the fixedly connected with sampling mechanism that receive and releases.
As further optimization of the technical scheme, the lake sludge sampling device comprises a buoyancy support frame I, connecting plates I and air bags, wherein the four connecting plates I are uniformly and fixedly connected to the outer side of the support frame I in the circumferential direction, the air bags are fixedly connected to the outer sides of the four connecting plates I, and the air bags can be inflated and deflated.
As further optimization of the technical scheme, the lake sludge sampling device comprises a driving mechanism, wherein the driving mechanism comprises a support ring II, a mounting ring, waterproof shells I, a driving motor and driving spiral wheels, the support ring II is fixedly connected to the support ring I, four waterproof shells I are uniformly and fixedly connected to the outer side of the support ring II in the circumferential direction, the driving motors are fixedly connected to the inner parts of the four waterproof shells I, the driving spiral wheels are fixedly connected to output shafts of the four driving motors, a plurality of inclined plates are uniformly and circumferentially arranged on each driving spiral wheel, the inclined plates incline by 45 degrees, and the mounting ring is fixedly connected to the support ring II.
As the technical scheme is further optimized, the lake sludge sampling device comprises a connecting plate II, an installation frame I, a positioning motor and positioning drums, wherein the installation frame I is fixedly connected onto the connecting plate II, the positioning motor is fixedly connected onto the installation frame I, the positioning drums are fixedly connected onto output shafts of the positioning motor, positioning ropes are wound on the positioning drums, one end of each positioning rope is fixedly connected onto the corresponding positioning drum, and the connecting plate II is fixedly connected to the upper sides of the four waterproof cases I.
As the technical scheme is further optimized, the lake sludge sampling device comprises a cross bottom plate, a limiting cylinder I, a connecting plate III, a supporting plate and a limiting rail, wherein the limiting cylinder I is fixedly connected to the middle of the cross bottom plate, the limiting cylinder I, the supporting ring II and a mounting ring are coaxially arranged, four connecting plates III are fixedly connected to the lower side of the cross bottom plate, the four connecting plates III are fixedly connected to the supporting ring II, the supporting plate is fixedly connected to the front end and the rear end of the upper side of the cross bottom plate, and the limiting rail is fixedly connected to the left end and the right end of the upper side of the cross bottom plate.
As a further optimization of the technical scheme, the lake sludge sampling device is characterized in that the righting motor is fixedly connected to the supporting plate on one side, and the output shaft of the righting motor is rotatably connected to the supporting plate on the other side.
As a further optimization of the technical scheme, the lake sludge sampling device comprises a retraction mechanism, a positive slide block, a mounting rack II, a retraction motor and a retraction drum, wherein the positive slide block is connected between two limiting rails in a sliding mode, the positive slide block is connected to an output shaft of the positive motor through threads, the lower end of the positive slide block is fixedly connected with the mounting rack II, the retraction motor is fixedly connected to the mounting rack II, the retraction drum is fixedly connected to the output shaft of the retraction motor, a retraction rope is wound on the retraction drum, one end of the retraction rope is fixedly connected to the retraction drum, and the other end of the retraction rope is fixedly connected with a sampling mechanism.
As a further optimization of the technical scheme, the lake sludge sampling device comprises a waterproof shell II, a waterproof shell III, a fixed motor and a positioning screw rod, sampling motor, the sampling receiver, the sampling spirochaeta, vortex spirochaeta and spacing section of thick bamboo II, II fixed connection of waterproof shell are on receiving and releasing the rope, the lower extreme fixedly connected with waterproof shell III of waterproof shell II, fixedly connected with fixed motor in the waterproof shell II, it is connected with a plurality of location hob to rotate on the waterproof shell III, a plurality of location hob all are connected with the fixed motor transmission, fixedly connected with sampling motor in the waterproof shell III, fixedly connected with sampling receiver on the output shaft of sampling motor, the lower extreme of sampling receiver is provided with the vortex spirochaeta, the inboard fixedly connected with spacing section of thick bamboo II of sampling receiver, spacing section of thick bamboo II and the coaxial setting of sampling receiver, the inboard fixedly connected with sampling spirochaeta of spacing section of thick bamboo II.
The driving motor, the positioning motor, the righting motor, the fixing motor and the sampling motor are all servo motors.
The lake sludge sampling device has the beneficial effects that:
according to the lake sludge sampling device, a certain buoyancy force can be provided through the buoyancy support, so that the device can float on the water surface, a certain power is provided for the movement of the device on the lake surface through the driving mechanism, the relative positions of the device on the lake surface are accurately positioned through the four positioning mechanisms, the retraction mechanism is driven to slide on the connecting support through the righting motor, the retraction rope of the retraction mechanism is ensured to be in a vertical state when being retracted, and the retraction rope sends the sampling mechanism to the lake bottom to sample sludge.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly or indirectly connected through an intermediate medium, and may be a communication between two members. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.
FIG. 1 is a schematic diagram I of the overall structure of a lake sludge sampling device of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the lake sludge sampling device of the present invention;
FIG. 3 is a schematic view of the buoyant support structure of the present invention;
FIG. 4 is a first schematic structural diagram of the driving mechanism of the present invention;
FIG. 5 is a second schematic structural view of the driving mechanism of the present invention;
FIG. 6 is a schematic view of the positioning mechanism of the present invention;
FIG. 7 is a schematic view of the connecting bracket structure of the present invention;
FIG. 8 is a schematic diagram of the structure of the pick and place mechanism of the present invention;
FIG. 9 is a first schematic view of the sampling mechanism of the present invention;
FIG. 10 is a second schematic structural view of the sampling mechanism of the present invention;
fig. 11 is a third schematic structural diagram of the sampling mechanism of the present invention.
In the figure: a buoyancy support 1; the support ring I1-1; a connecting plate I1-2; 1-3 of an air bag; a drive mechanism 2; a support ring II 2-1; a mounting ring 2-2; 2-3 of a waterproof shell; 2-4 of a driving motor; driving the helical wheel 2-5; a positioning mechanism 3; a connecting plate II 3-1; the mounting frame I3-2; positioning a motor 3-3; positioning the winding drum 3-4; a connecting bracket 4; 4-1 of a cross bottom plate; 4-2 parts of a limiting cylinder; 4-3 of a connecting plate; a support plate 4-4; 4-5 of a limiting track; a position correcting motor 5; a retraction mechanism 6; a positive slide block 6-1; mounting frame II 6-2; a retracting motor 6-3; 6-4 of a winding and unwinding drum; a sampling mechanism 7; 7-1 of a waterproof shell II; 7-2 of a waterproof shell III; fixing a motor 7-3; 7-4 of a positioning screw rod; 7-5 of a sampling motor; a sampling storage barrel 7-6; sampling spirochete 7-7; 7-8 parts of vortex spirochete; and 7-9 parts of a limiting cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 11, and a lake sludge sampling device includes a buoyancy support 1, a driving mechanism 2, a positioning mechanism 3, a connecting support 4, a righting motor 5, a retracting mechanism 6 and a sampling mechanism 7, wherein the buoyancy support 1 is fixedly connected with the driving mechanism 2, the driving mechanism 2 is fixedly connected with four positioning mechanisms 3, the four positioning mechanisms 3 are respectively located on the front, back, left and right sides of the driving mechanism 2, the driving mechanism 2 is fixedly connected with the connecting support 4, the connecting support 4 is fixedly connected with the righting motor 5, the retracting mechanism 6 is slidably connected to the connecting support 4, the retracting mechanism 6 is connected to an output shaft of the righting motor 5 through threads, and the retracting end of the retracting mechanism 6 is fixedly connected with the sampling mechanism 7; can provide certain buoyancy through buoyancy support 1 for the device can float on the surface of water, provide certain power for the motion of device on the lake surface through actuating mechanism 2, through the relative position of 3 accurate positioner of four positioning mechanism on the lake surface, slide on linking bridge 4 through positive motor 5 drive jack 6, guarantee jack 5's receipts and release rope and be in vertical state when receiving and releasing, receive and release rope and send into the lake bottom with sampling mechanism 7 and sample silt.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 11, and the embodiment will be further described, wherein the buoyancy support 1 comprises a support ring i 1-1, connecting plates i 1-2 and air bags 1-3, four connecting plates i 1-2 are uniformly and fixedly connected to the outer side of the support ring i 1-1 in the circumferential direction, the air bags 1-3 are fixedly connected to the outer sides of the four connecting plates i 1-2, and the air bags 1-3 can be inflated and deflated.
The third concrete implementation mode:
this embodiment will be described with reference to fig. 1 to 11, and a second embodiment will be further described with reference to this embodiment, the driving mechanism 2 comprises a support ring II 2-1, a mounting ring 2-2, waterproof cases I2-3, driving motors 2-4 and driving spiral wheels 2-5, the support ring II 2-1 is fixedly connected to the support ring I1-1, four waterproof cases I2-3 are circumferentially and uniformly and fixedly connected to the outer side of the support ring II 2-1, the driving motors 2-4 are circumferentially and uniformly fixedly connected to the inner side of the four waterproof cases I2-3, the driving spiral wheels 2-5 are fixedly connected to the output shafts of the four driving motors 2-4, a plurality of inclined plates are circumferentially and uniformly arranged on each driving spiral wheel 2-5, the inclined plates are inclined by 45 degrees, and the mounting ring 2-2 is fixedly connected to the support ring II 2-1.
The fourth concrete implementation mode:
the third embodiment is further described with reference to fig. 1-11, where the positioning mechanism 3 includes a connecting plate ii 3-1, an installation frame i 3-2, a positioning motor 3-3, and a positioning reel 3-4, the connecting plate ii 3-1 is fixedly connected with the installation frame i 3-2, the installation frame i 3-2 is fixedly connected with the positioning motor 3-3, an output shaft of the positioning motor 3-3 is fixedly connected with the positioning reel 3-4, the positioning reel 3-4 is wound with a positioning rope, one end of the positioning rope is fixedly connected to the positioning reel 3-4, and the upper sides of the four waterproof cases i 2-3 are fixedly connected with the connecting plate ii 3-1.
The fifth concrete implementation mode:
this embodiment will be described with reference to fig. 1 to 11, and this embodiment will further describe a fourth embodiment, the connecting support 4 comprises a cross bottom plate 4-1, a limiting cylinder I4-2, connecting plates III 4-3, supporting plates 4-4 and limiting rails 4-5, the middle of the cross bottom plate 4-1 is fixedly connected with the limiting cylinder I4-2, the supporting ring I1-1, the supporting ring II 2-1 and the mounting ring 2-2 are coaxially arranged, four connecting plates III 4-3 are fixedly connected to the lower side of the cross bottom plate 4-1, the four connecting plates III 4-3 are fixedly connected to the supporting ring II 2-1, the supporting plates 4-4 are fixedly connected to the front end and the rear end of the upper side of the cross bottom plate 4-1, and the limiting rails 4-5 are fixedly connected to the left end and the right end of the upper side of the cross bottom plate 4-1.
The sixth specific implementation mode:
in the following, the present embodiment is described with reference to fig. 1 to 11, and the fifth embodiment is further described, in which the position motor 5 is fixedly connected to the support plate 4-4 on one side, and the output shaft of the position motor 5 is rotatably connected to the support plate 4-4 on the other side.
The seventh embodiment:
the embodiment is described below with reference to fig. 1-11, and the sixth embodiment is further described in the present embodiment, where the retraction mechanism 6 includes a righting slider 6-1, a mounting bracket ii 6-2, a retraction motor 6-3, and a retraction drum 6-4, the righting slider 6-1 is slidably connected between two limit rails 4-5, the righting slider 6-1 is connected to an output shaft of the righting motor 5 through a thread, the lower end of the righting slider 6-1 is fixedly connected with the mounting bracket ii 6-2, the retraction motor 6-3 is fixedly connected to the mounting bracket ii 6-2, the retraction drum 6-4 is fixedly connected to an output shaft of the retraction motor 6-3, the retraction drum 6-4 is wound with a retraction rope, and one end of the retraction rope is fixedly connected to the retraction drum 6-4, the other end of the rope is fixedly connected with a sampling mechanism 7.
The specific implementation mode is eight:
the embodiment is described below with reference to fig. 1 to 11, and the seventh embodiment is further described in the present embodiment, where the sampling mechanism 7 includes a waterproof case ii 7-1, a waterproof case iii 7-2, a fixed motor 7-3, a positioning screw 7-4, a sampling motor 7-5, a sampling storage barrel 7-6, a sampling screw 7-7, a vortex screw 7-8, and a limiting barrel ii 7-9, the waterproof case ii 7-1 is fixedly connected to a retraction rope, the lower end of the waterproof case ii 7-1 is fixedly connected to the waterproof case iii 7-2, the fixed motor 7-3 is fixedly connected to the inside of the waterproof case ii 7-1, the waterproof case iii 7-2 is rotatably connected to a plurality of positioning screws 7-4, and the plurality of positioning screws 7-4 are all in transmission connection with the fixed motor 7-3, the sampling motor 7-5 is fixedly connected in the waterproof shell III 7-2, the sampling storage barrel 7-6 is fixedly connected on an output shaft of the sampling motor 7-5, a vortex spiral body 7-8 is arranged at the lower end of the sampling storage barrel 7-6, the inner side of the sampling storage barrel 7-6 is fixedly connected with a limiting barrel II 7-9, the limiting barrel II 7-9 and the sampling storage barrel 7-6 are coaxially arranged, and the sampling spiral body 7-7 is fixedly connected on the inner side of the limiting barrel II 7-9.
The specific implementation method nine:
the eighth embodiment is further described with reference to fig. 1 to 11, and the driving motors 2 to 4, the positioning motors 3 to 3, the positioning motor 5, the fixed motor 7 to 3, and the sampling motor 7 to 5 are all servo motors.
The invention relates to a lake sludge sampling device, which has the working principle that:
when the device is used, the device is placed on the lake surface to be collected, the four air bags 1-3 are inflated to provide certain buoyancy for the device on the lake surface, the device can be ensured to float on the water surface, the positioning mechanisms 3 on two adjacent sides are started, such as the positioning mechanisms 3 on the front side and the left side, the front side and the right side, the rear side and the left side, the rear side and the right side, the positioning ropes are discharged for a certain length, the four driving motors 2-4 are started, the output shafts of the driving motors 2-4 start to rotate, the output shafts of the driving motors 2-4 drive the driving spiral wheels 2-5 to rotate, the driving spiral wheels 2-5 drive the device to move on the lake surface, the four driving motors 2-4 can independently move, the movement path of the device is ensured, the device can move on the lake surface in the X-axis direction and the Y-axis direction, and the other end of the positioning ropes is pulled to move on the bank, the positioning ropes on the two positioning mechanisms 3 are arranged in a mutually vertical manner to form a coordinate system of an X axis and a Y axis, the two positioning ropes are required to be arranged in a mutually vertical manner, when the acquisition position is required to be changed, the positioning rope at the bank end is required to be moved at any time, if multi-point acquisition is not required, the positioning rope at the bank end is not required to be moved for many times, although the positioning rope at the bank end is required to be moved, as long as the two positioning ropes are arranged in a mutually vertical manner, the positioning ropes are kept at the specified length under the retraction of the positioning winding drum 3-4, and the positioning points of the device are still accurate; the positioning motors 3-3 are servo motors, as shown in fig. 6, a spiral groove is formed in the positioning winding drum 3-4, the positioning rope is stored in the spiral groove, the distance that the positioning winding drum 3-4 rotates for one circle to receive and release the positioning rope is fixed, and the positioning winding drum moves to a specified position through the positions of the receiving and releasing adjusting devices of two adjacent positioning motors 3-3 on a formed coordinate system; the righting motor 5 and the retracting motor 6-3 are started, the righting motor 5 and the retracting motor 6-3 are servo motors and can be remotely controlled, as shown in fig. 8, a spiral groove is formed in the retracting reel 6-4, the retracting rope is accommodated in the spiral groove, the distance of the retracting positioning rope is fixed when the retracting reel 6-4 rotates for one circle, and the lowering depth of the sampling mechanism 7 can be determined through the number of rotating circles of the retracting reel 6-4; the lowering position of the positioning rope is located in the limiting cylinder I4-2, the positioning rope needs to vertically penetrate through the limiting cylinder I4-2, the righting slide block 6-1 is pushed to slide on the two limiting rails 4-5 through threads when the righting motor 5 rotates, the positioning rope is guaranteed to be always in a vertical state when the positioning rope is stored and released by the storage drum 6-4, the positioning rope cannot incline, and the precision of the lowering length of the positioning rope is guaranteed; when the sampling mechanism 7 is lowered to the lake bottom, the fixed motor 7-3 is started, the output shaft of the fixed motor 7-3 drives the plurality of positioning spiral rods 7-4 to rotate, the positioning spiral rods 7-4 can be screwed into the positioning spiral rods when rotating and contacting with the lake bottom sludge, the positioning spiral rods 7-4 are transversely separated when rotating so that the plurality of positioning spiral rods 7-4 are inserted into the lake bottom, the sampling mechanism 7 cannot shake during collection, as shown in fig. 10, the horizontal height of the lower end of the positioning spiral rod 7-4 is lower than that of the lower end of the sampling storage cylinder 7-6, and when the positioning spiral rods 7-4 are positioned, the lower end of the sampling storage cylinder 7-6 contacts with the lake bottom sludge; the sampling motor 7-5 is started to drive the sampling storage barrel 7-6 to rotate, and the spiral directions of the sampling spiral body 7-7 and the vortex spiral body 7-8 can be set to be two different relations; one is as follows: when the sampling accommodating barrel 7-6 drives the sampling spiral body 7-7 and the vortex spiral body 7-8 to rotate, the horizontal component force generated by the vortex spiral body 7-8 pushes the contacted sludge to approach to the sampling spiral body 7-7, the sampling spiral body 7-7 rotates to collect the approached sludge into the sampling accommodating barrel 7-6, the collection efficiency is ensured, the sampling accommodating barrel 7-6 can adopt a detachable structure or is detachably connected to an output shaft of the sampling motor 7-5, and the collected sludge is convenient to take out; the second step is as follows: when the sampling accommodating barrel 7-6 drives the sampling spiral body 7-7 and the vortex spiral body 7-8 to rotate, the transverse component force generated by the vortex spiral body 7-8 pushes the contacted sludge to be dispersed to the sampling spiral body 7-7, the sampling spiral body 7-7 rotates to collect the contacted sludge, so that the sludge at other positions can not be collected, and the collection accuracy is ensured.
The present invention is not limited to the above examples, and those skilled in the art may make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a lake silt sampling device, includes buoyancy support (1), actuating mechanism (2), positioning mechanism (3), linking bridge (4), normal position motor (5), jack (6) and sampling mechanism (7), its characterized in that: the buoyancy support (1) is fixedly connected with a driving mechanism (2), the driving mechanism (2) is fixedly connected with four positioning mechanisms (3), the four positioning mechanisms (3) are respectively positioned on the front, back, left and right sides of the driving mechanism (2), the driving mechanism (2) is fixedly connected with a connecting support (4), the connecting support (4) is fixedly connected with a righting motor (5), a retraction mechanism (6) is slidably connected onto the connecting support (4), the retraction mechanism (6) is connected onto an output shaft of the righting motor (5) through threads, and the retraction end of the retraction mechanism (6) is fixedly connected with a sampling mechanism (7);
the buoyancy support (1) comprises a support ring I (1-1), connecting plates I (1-2) and air bags (1-3), wherein the outer side of the support ring I (1-1) is uniformly and fixedly connected with four connecting plates I (1-2) in the circumferential direction, the outer sides of the four connecting plates I (1-2) are fixedly connected with the air bags (1-3), and the air bags (1-3) can be inflated and deflated;
the driving mechanism (2) comprises a support ring II (2-1), a mounting ring (2-2), a waterproof shell I (2-3), a driving motor (2-4) and a driving spiral wheel (2-5), the support ring II (2-1) is fixedly connected to the support ring I (1-1), four waterproof cases I (2-3) are uniformly and fixedly connected to the outer side of the support ring II (2-1) in the circumferential direction, driving motors (2-4) are fixedly connected to the inner parts of the four waterproof cases I (2-3), driving spiral wheels (2-5) are fixedly connected to output shafts of the four driving motors (2-4), a plurality of inclined plates are uniformly arranged on each driving spiral wheel (2-5) in the circumferential direction, the inclined plates incline for 45 degrees, and a mounting ring (2-2) is fixedly connected to the support ring II (2-1);
positioning mechanism (3) are including connecting plate II (3-1), mounting bracket I (3-2), positioning motor (3-3) and location reel (3-4), fixedly connected with mounting bracket I (3-2) on connecting plate II (3-1), fixedly connected with positioning motor (3-3) on mounting bracket I (3-2), fixedly connected with location reel (3-4) on the output shaft of positioning motor (3-3), the winding has the location rope on location reel (3-4), the one end fixed connection of location rope is on location reel (3-4), the equal fixedly connected with connecting plate II (3-1) of upside of four waterproof cases I (2-3).
2. The lake sludge sampling device of claim 1, wherein: the connecting support (4) comprises a cross bottom plate (4-1), a limiting cylinder I (4-2), connecting plates III (4-3), supporting plates (4-4) and limiting rails (4-5), the middle of the cross bottom plate (4-1) is fixedly connected with the limiting cylinder I (4-2), the supporting ring I (1-1), the supporting ring II (2-1) and the mounting ring (2-2) are coaxially arranged, the lower side of the cross bottom plate (4-1) is fixedly connected with four connecting plates III (4-3), the four connecting plates III (4-3) are fixedly connected to the supporting ring II (2-1), the front end and the rear end of the upper side of the cross bottom plate (4-1) are fixedly connected with the supporting plates (4-4), and the left end and the right end of the upper side of the cross bottom plate (4-1) are fixedly connected with the limiting rails (4-5).
3. The lake sludge sampling device of claim 2, wherein: the correcting motor (5) is fixedly connected to the supporting plate (4-4) on one side, and an output shaft of the correcting motor (5) is rotatably connected to the supporting plate (4-4) on the other side.
4. The lake sludge sampling device of claim 3, wherein: the winding and unwinding mechanism (6) comprises a righting slide block (6-1), an installation frame II (6-2), a winding and unwinding motor (6-3) and a winding and unwinding drum (6-4), the righting slide block (6-1) is connected between two limiting rails (4-5) in a sliding mode, the righting slide block (6-1) is connected to an output shaft of the righting motor (5) through threads, the installation frame II (6-2) is fixedly connected to the lower end of the righting slide block (6-1), the winding and unwinding motor (6-3) is fixedly connected to the installation frame II (6-2), the winding and unwinding drum (6-4) is fixedly connected to an output shaft of the winding and unwinding motor (6-3), a winding and unwinding rope is wound on the winding and unwinding drum (6-4), and one end of the winding and unwinding rope is fixedly connected to the winding and unwinding drum (6-4), the other end of the rope is fixedly connected with a sampling mechanism (7).
5. The lake sludge sampling device of claim 4, wherein: the sampling mechanism (7) comprises a waterproof shell II (7-1), a waterproof shell III (7-2), a fixed motor (7-3), a positioning screw rod (7-4), a sampling motor (7-5), a sampling storage barrel (7-6), a sampling screw body (7-7), a vortex screw body (7-8) and a limiting barrel II (7-9), the waterproof shell II (7-1) is fixedly connected to a take-up and pay-off rope, the lower end of the waterproof shell II (7-1) is fixedly connected with the waterproof shell III (7-2), the inner part of the waterproof shell II (7-1) is fixedly connected with the fixed motor (7-3), the waterproof shell III (7-2) is rotatably connected with a plurality of positioning screw rods (7-4), and the plurality of positioning screw rods (7-4) are in transmission connection with the fixed motor (7-3), the sampling motor (7-5) is fixedly connected in the waterproof shell III (7-2), the sampling storage barrel (7-6) is fixedly connected to an output shaft of the sampling motor (7-5), a vortex-shaped spiral body (7-8) is arranged at the lower end of the sampling storage barrel (7-6), the inner side of the sampling storage barrel (7-6) is fixedly connected with a limiting barrel II (7-9), the limiting barrel II (7-9) and the sampling storage barrel (7-6) are coaxially arranged, and the inner side of the limiting barrel II (7-9) is fixedly connected with the sampling spiral body (7-7).
6. The lake sludge sampling device of claim 5, wherein: the driving motors (2-4), the positioning motors (3-3), the righting motor (5), the fixing motors (7-3) and the sampling motors (7-5) are all servo motors.
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| CN112794449B (en) * | 2021-01-02 | 2022-08-02 | 陕西理工大学 | River course ecological environment protects prosthetic devices |
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