CN112881068A

CN112881068A - Layered collecting device for seabed surface sediment

Info

Publication number: CN112881068A
Application number: CN202110056663.5A
Authority: CN
Inventors: 王赛; 张海桃; 杨悦
Original assignee: First Institute of Oceanography MNR
Current assignee: First Institute of Oceanography MNR
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-06-01
Anticipated expiration: 2041-01-15
Also published as: CN112881068B

Abstract

The invention relates to the technical field of submarine sediment collection, in particular to a submarine surface sediment layered collection device which comprises a mounting sleeve and a transmission motor, wherein a connecting pipe is inserted into the mounting sleeve, a discharge sleeve is fixedly mounted at the bottom end of the connecting pipe, a placement groove is formed in the discharge sleeve, a placement plate is transversely and fixedly mounted in the placement groove, a layered sleeve is fixedly mounted in the connecting pipe, and a first discharge notch is formed in the bottom end of the layered sleeve. According to the invention, the threaded blade can be driven to rotate by the rotation of the transmission motor through the rotating rod and the transmission motor, then the threaded blade drives the sediment on the seabed to the inside of the sliding barrel, and then the sediment enters the placing groove through the second discharging groove opening and the first discharging groove opening to be stored, so that the layered collection of the sediment on the seabed can be completed, the subsequent detection accuracy is better, and the use is more convenient.

Description

Layered collecting device for seabed surface sediment

Technical Field

The invention relates to the technical field of submarine sediment collection, in particular to a submarine surface sediment layered collection device.

Background

Generally, with the continuous development of society, the advancement of industry is larger, and further pollution is larger, so that the environmental awareness of personnel is increased, and further the importance of environment treatment is improved, but in some seabed pollution treatment, sediments in the seabed are required to be collected and further analyzed, so that symptomatic medicine administration is performed, and the seabed treatment effect is better.

However, the conventional seabed sediment collection is usually carried out directly, the sediment on the seabed cannot be layered, so that the collected seabed sediment is easy to mix, the collection and detection accuracy of the sediment is affected, meanwhile, the sediment on the seabed is layered after being stacked, the components of each layer of seabed sediment are different, the sediment is difficult to separate in the conventional collection mode, and the seabed sediment layered collection device is inconvenient to use, so that the problem is solved by urgently needing a seabed surface sediment layered collection device.

Disclosure of Invention

The invention aims to provide a layered collection device for sediment on the surface of the seabed, which aims to solve the problems that the sediment in the background is easy to be layered, the components of the sediment in each layer are different, the sediment is difficult to be distinguished by the existing collection mode, and the use is inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a layered collection device for sediment on the surface layer of the sea bottom comprises a mounting sleeve and a transmission motor, wherein a connecting pipe is inserted into the mounting sleeve, a discharge sleeve is fixedly arranged at the bottom end of the connecting pipe, a placement groove is formed in the discharge sleeve, a placement plate is transversely and fixedly arranged in the placement groove, a layered sleeve is fixedly arranged in the connecting pipe, a first discharge notch is formed in the bottom end of the layered sleeve, a first support rod is fixedly arranged in the first discharge notch, a support plate is fixedly arranged at the bottom end of the layered sleeve, an insertion barrel is fixedly arranged at the bottom end of the support plate, a protective shell is fixedly inserted at the top end of the layered sleeve, the transmission motor is fixedly arranged in the protective shell, a rotating rod is fixedly arranged at the output end of the transmission motor, and an insert block is fixedly arranged at the bottom end of the rotating rod, the rotating rod penetrates through the protective shell and extends to the interior of the layering sleeve, a sliding barrel is inserted in the interior of the discharging sleeve, a second discharging notch is arranged inside the top end of the sliding barrel, a second supporting rod is fixedly arranged inside the second discharging notch, two ends of the second support rod are fixedly connected with two ends of the second discharging notch, the rotating rod extends to the inside of the sliding barrel, and the bottom end of the rotating rod is fixedly provided with a threaded blade, the top end of the sliding barrel is fixedly provided with a connecting rod, the top end of the connecting rod is fixedly provided with a connecting plate, the top end of the connecting plate is fixedly provided with a loop bar, the top end of the loop bar is internally provided with a hole, and the inside of hole is inserted and is equipped with the throat, the top fixed mounting of throat has the movable plate, the outer wall top of dwang is provided with the external screw thread, dwang and movable plate threaded connection.

Preferably, the outer wall of the mounting sleeve is provided with a through hole, the through hole uniformly surrounds the outer wall of the mounting sleeve, the bottom end of the mounting sleeve is provided with a through hole, and the hole at the bottom end of the mounting sleeve is communicated with the through hole.

Preferably, the outer wall fixed mounting of connecting pipe has the fixture block, the draw-in groove has been seted up on the top of installation cover, the shape of fixture block is T shape, the shape of draw-in groove is L nature, and the one end of smooth bucket is linked together with the top of installation cover, draw-in groove and fixture block all are provided with four groups, and draw-in groove and fixture block evenly encircle the outer wall at installation cover and connecting pipe.

Preferably, the top end of the inner wall of the sliding barrel is fixedly provided with an extrusion block, the extrusion block is inclined, and the inclined surface of the outer wall of the extrusion block and the top end of the opening of the second discharging notch are positioned on the same horizontal line.

Preferably, the outer wall fixed mounting of intermediate position department of dwang has the installation piece, and the inside of installation piece has seted up the notch, and the inside fixed mounting of notch has the axostylus axostyle, the dog has been cup jointed to the outer wall of axostylus axostyle, the outer wall of axostylus axostyle is located dog inner wall department fixed mounting and has the torsional spring, the torsional spring cup joints the outer wall at the axostylus axost.

Preferably, first ejection of compact notch is provided with three groups, and the shape of first ejection of compact notch is the annular, support through first bracing piece between the first ejection of compact notch, three groups the interval of first ejection of compact notch and three groups place the interval of groove and correspond each other.

Preferably, the opening part of loop bar is provided with the hole, and the inner wall diameter of hole is less than the inside hole of loop bar, the bottom fixed mounting of throat bar has circular piece, and the diameter of circular piece is greater than the diameter of loop bar opening part hole, the outer wall cup joint pressure spring of throat bar.

Preferably, the top end of the transmission motor is fixedly provided with a battery pack, and the battery pack is electrically connected with the input end of the transmission motor.

Preferably, the placing grooves are provided with three groups, and the calibers of the three groups are equal to the calibers of the second discharging groove openings.

Preferably, the installation piece is provided with four groups, the installation piece evenly encircles the outer wall at the dwang, and every four groups of installation pieces are one row, the installation piece is provided with three rows altogether, and the interval between every row of installation piece equals with the interval between the first ejection of compact notch of three groups.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is provided with dwang and drive machine, rotation through drive machine, can drive the screw thread blade and rotate, the screw thread blade drives the deposit in the seabed to the inside of sliding barrel afterwards, enter into the inside of putting the groove through second ejection of compact notch and first ejection of compact notch and accomodate afterwards, when the inner space of putting the groove is less, the submarine deposit takes place to pile up in the inside of sliding barrel afterwards, it rises to drive the sliding barrel subsequently, the sliding barrel drives second ejection of compact notch and rises, can make second ejection of compact notch and another group's first ejection of compact notch and put the groove and align, and then the deposit that makes the seabed bottom enters into the inside of second floor and places the groove and accomodates, analogize in proper order, can accomplish the layering collection to submarine deposit, and then make subsequent detection accuracy better, it is comparatively convenient to use.

2. The device is provided with through-hole and connecting pipe, put into the seabed with the installation cover, the water in seabed can flow in the inside of installation cover through the through-hole afterwards, and then the direction that makes the installation cover is down all the time, and then make dwang and screw thread blade can imbed the seabed, conveniently take a sample to it, rotate the connecting pipe simultaneously, can make the connecting pipe drive the fixture block and rotate, the connecting pipe can drive ejection of compact cover afterwards and break away from, conveniently take out the seabed precipitate of the storage of putting inslot portion, its operation is comparatively simple, it is comparatively convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective sectional view of the present invention;

FIG. 3 is a schematic perspective view of a layered sleeve according to the present invention;

FIG. 4 is a schematic cross-sectional view of a discharge sleeve according to the present invention;

FIG. 5 is a schematic perspective view of the sliding barrel and the rotating rod of the present invention;

FIG. 6 is a schematic sectional view showing the three-dimensional structure of the rotating lever and the connecting plate according to the present invention;

fig. 7 is a schematic sectional view showing the construction of a rotating lever and a mounting block according to the present invention.

In the figure: 1. installing a sleeve; 2. a through hole; 3. a connecting pipe; 4. a card slot; 5. a clamping block; 6. sliding the barrel; 7. rotating the rod; 8. an insert block; 9. layering a sleeve; 10. a first discharge slot; 11. a first support bar; 12. a support plate; 13. inserting a barrel; 14. a second discharge slot; 15. a second support bar; 16. a connecting rod; 17. a connecting plate; 18. a loop bar; 19. shrinking the rod; 20. moving the plate; 21. a drive motor; 22. a protective housing; 23. a discharging sleeve; 24. a placing groove; 25. placing a plate; 26. a pressure spring; 27. mounting blocks; 28. a stopper; 29. a shaft lever; 30. a torsion spring; 31. a threaded blade; 32. and extruding the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown:

a layered collection device for sediment on the surface layer of the sea bottom comprises a mounting sleeve 1 and a transmission motor 21, a connecting pipe 3 is inserted into the mounting sleeve 1, a discharge sleeve 23 is fixedly arranged at the bottom end of the connecting pipe 3, a placement groove 24 is arranged in the discharge sleeve 23, a placement plate 25 is transversely and fixedly arranged in the placement groove 24, a layered sleeve 9 is fixedly arranged in the connecting pipe 3, a first discharge notch 10 is arranged in the bottom end of the layered sleeve 9, a first supporting rod 11 is fixedly arranged in the first discharge notch 10, a supporting plate 12 is fixedly arranged at the bottom end of the layered sleeve 9, an insertion barrel 13 is fixedly arranged at the bottom end of the supporting plate 12, a protective shell 22 is fixedly inserted at the top end of the layered sleeve 9, the transmission motor 21 is fixedly arranged in the protective shell 22, a rotating rod 7 is fixedly arranged at the output end of the transmission motor 21, and an insert block 8 is fixedly arranged at the, the rotating rod 7 penetrates through the protective shell 22 and extends to the inside of the layering sleeve 9, the sliding barrel 6 is inserted into the discharging sleeve 23, the second discharging notch 14 is formed in the top end of the sliding barrel 6, the second supporting rod 15 is fixedly installed inside the second discharging notch 14, two ends of the second supporting rod 15 are fixedly connected with two ends of the second discharging notch 14, the rotating rod 7 extends to the inside of the sliding barrel 6, the bottom end of the rotating rod 7 is fixedly provided with the threaded blade 31, the top end of the sliding barrel 6 is fixedly provided with the connecting rod 16, the top end of the connecting rod 16 is fixedly provided with the connecting plate 17, the top end of the connecting plate 17 is fixedly provided with the sleeve rod 18, a hole is formed in the top end of the sleeve rod 18, the reducing rod 19 is inserted into the hole, the movable plate 20 is fixedly installed at the top end of the reducing rod 19, the outer wall top end of the, after the installation sleeve 1 is put into the seabed, when the installation sleeve 1 is vertically positioned on the seabed sediment, the transmission motor 21 rotates, then the transmission motor 21 drives the rotating rod 7 to rotate, the rotating rod 7 drives the threaded blade 31 to rotate, the threaded blade 31 can drive the seabed sediment to move, further the seabed sediment moves to the inside of the sliding barrel 6, then the seabed sediment goes out through the second discharging notch 14 and can enter the inside of the placing groove 24 to be stored, then when the inside of the placing groove 24 is full of storage, the seabed sediment is accumulated in the sliding barrel 6, then the sliding barrel 6 is extruded, the sliding barrel 6 is lifted, when the sliding barrel 6 drives the second discharging notch 14 to move to the opening of the other group of placing grooves 24, the seabed sediment enters the inside of the other group of placing grooves 24 to be stored, and further the seabed sediment is layered, the subsequent detection of the seabed sediments is more accurate, and the use is more convenient.

Further, through-hole 2 has been seted up to the outer wall of installation cover 1, through-hole 2 evenly surrounds the outer wall at installation cover 1, through-hole 2 has been seted up to the bottom of installation cover 1, the hole and the through-hole 2 of installation cover 1 bottom are linked together, put into installation cover 1, put into the seabed with installation cover 1, the water in seabed passes through-hole 2 of installation cover 1 bottom afterwards and gets into, discharge through-hole 2 of installation cover 1 outer wall afterwards, and then make installation cover 1 be perpendicular downwards at the motion state in seabed, avoid the installation cover 1 to take place the condition of slope, and then be in vertical state when more conveniently installing cover 1 and being located seabed precipitate, make dwang 7 and abaculus 8 can better start work, high durability and convenient use.

Further, a clamping block 5 is fixedly installed on the outer wall of the connecting pipe 3, a clamping groove 4 is formed in the top end of the installation sleeve 1, the clamping block 5 is T-shaped, the clamping groove 4 is L-shaped, one end of the sliding barrel 6 is communicated with the top end of the installation sleeve 1, four groups of clamping grooves 4 and four groups of clamping blocks 5 are arranged, the clamping grooves 4 and the clamping blocks 5 uniformly surround the outer walls of the installation sleeve 1 and the connecting pipe 3, the connecting pipe 3 is turned to rotate, the connecting pipe 3 can drive the clamping block 5 to rotate, then the clamping block 5 rotates to the inside of a vertical groove of the clamping groove 4, then the connecting pipe 3 can be pulled, the connecting pipe 3 can drive the clamping block 5 to move, then the connecting pipe 3 can be separated from the surface of the installation sleeve 1, then the connecting pipe 3 can drive the discharging sleeve 23 to be separated, submarine sediments in the placement groove 24 can be conveniently sampled, the submarine sediments can be conveniently detected, then the connecting pipe 3, make fixture block 5 embedded into the inside of draw-in groove 4, rotate connecting pipe 3 afterwards, and then make connecting pipe 3 drive fixture block 5 and rotate to the inside of draw-in groove 4, can make and fix between connecting pipe 3 and the installation cover 1, it is comparatively convenient to use.

Further, the inner wall top fixed mounting of smooth bucket 6 has extrusion block 32, extrusion block 32's shape is the slope form, and the outer wall inclined plane of extrusion block 32 is in same horizontal line with the opening top of second ejection of compact notch 14, dwang 7 rotates and drives screw blade 31 and rotate, screw blade 31 rotates at any time and drives the inside that seabed deposit enters into smooth bucket 6, contact with extrusion block 32 takes place afterwards, can make seabed deposit begin to move along the inclined plane of extrusion block 32, move to the inside of putting groove 24, make seabed deposit's collection more convenient.

Further, the intermediate position department outer wall fixed mounting of dwang 7 has installation piece 27, and the notch has been seted up to the inside of installation piece 27, and the inside fixed mounting of notch has axostylus axostyle 29, dog 28 has been cup jointed to the outer wall of axostylus axostyle 29, the outer wall of axostylus axostyle 29 is located dog 28 inner wall department fixed mounting and has torsional spring 30, torsional spring 30 cup joints the outer wall at axostylus axostyle 29, installation piece 27 can block connecting plate 17, and then make connecting plate 17 drive smooth bucket 6 and pause, can make that the seabed precipitate can be better enter into the inside of parking groove 24 through second ejection of compact notch 14 on smooth bucket 6 and.

Further, first ejection of compact notch 10 is provided with three groups, and the shape of first ejection of compact notch 10 is the annular, support through first bracing piece 11 between the first ejection of compact notch 10, the interval of three first ejection of compact notches 10 of group corresponds each other with the interval of three group's slots 24, can carry on spacingly to smooth bucket 6, make smooth bucket 6 slide in layering sleeve pipe 9's inside, second ejection of compact notch 14 enters into the inside of slots 24 through first ejection of compact notch 10 and stores afterwards, make smooth bucket 6's mobility stability better, can make smooth bucket 6 drive second ejection of compact notch 14 and classify simultaneously and deposit.

Further, a hole is formed in the opening of the loop bar 18, the diameter of the inner wall of the hole is smaller than that of the hole in the loop bar 18, a circular sheet is fixedly installed at the bottom end of the contraction rod 19, the diameter of the circular sheet is larger than that of the hole in the opening of the loop bar 18, a pressure spring 26 is sleeved on the outer wall of the contraction rod 19, the rotating rod 7 rotates to drive the moving plate 20 to ascend through a threaded structure, then the moving plate 20 drives the connecting plate 17 to move through the loop bar 18 and the contraction rod 19, then the connecting plate 17 is blocked by a block 28, so that the connecting plate 17 pauses, the sliding barrel 6 pauses, submarine sediments are convenient to store, then the rotating rod 7 continues to rotate to drive the contraction rod 19 to slide in the loop bar 18, and then when the pressure between the contraction rod 19 and the loop bar 18 is large, the connecting plate 17 can rotate the block 28, so that the block 28 rotates, and the connecting plate 17 can, by repeating the operation, the seabed sediments can be stored in layers.

Further, the battery pack is fixedly arranged at the top end of the transmission motor 21, and the battery pack is electrically connected with the input end of the transmission motor 21, so that a power supply can be provided for the transmission motor 21, the transmission motor 21 can work on the seabed, and meanwhile, the protection shell 22 can protect the transmission motor 21 and prevent external seawater from entering the transmission motor 21.

Further, place groove 24 and be provided with three groups, and the bore of three groups equals with the bore size of second ejection of compact notch 14, can classify to the sediment in seabed and accomodate, convenient subsequent detection makes the accuracy that detects obtain improving, and it is comparatively convenient to use.

Further, the installation piece 27 is provided with four groups, the installation piece 27 evenly encircles at the outer wall of dwang 7, and every four groups of installation pieces 27 are one row, the installation piece 27 is provided with three rows altogether, interval between every row of installation piece 27 equals with the interval between three groups of first ejection of compact notch 10, can make the position that smooth bucket 6 moved at every turn just make second ejection of compact notch 14 and place the groove 24 and take place the coincidence, and then make the better inside that enters into the groove 24 through second ejection of compact notch 14 of submarine sediment accomodate.

The working principle is as follows: when the installation sleeve is used, the installation sleeve 1 is placed on the seabed, then water on the seabed enters through the through hole 2 at the bottom end of the installation sleeve 1 and then is discharged through the through hole 2 on the outer wall of the installation sleeve 1, so that the installation sleeve 1 is in a vertically downward motion state on the seabed, the situation that the installation sleeve 1 is inclined is avoided, the installation sleeve 1 is more conveniently in a vertical state when being positioned on seabed sediments, when the installation sleeve 1 is vertically positioned on the seabed sediments, the installation sleeve rotates through the transmission motor 21, then the transmission motor 21 drives the rotating rod 7 to rotate, the rotating rod 7 drives the threaded blade 31 to rotate, the threaded blade 31 drives the seabed sediments to move, the seabed sediments are further moved to the inside of the sliding barrel 6 and then go out through the second discharging notch 14 and can enter the inside of the placing groove 24 to be stored, the rotating rod 7 rotates to drive the moving plate 20 to ascend through the threaded structure, then the moving plate 20 drives the connecting plate 17 to move through the loop bar 18 and the shrinkage rod 19, then the connecting plate 17 is blocked by the stop 28, the connecting plate 17 stops, and further the sliding barrel 6 stops, the submarine sediment is convenient to store, then the rotating rod 7 continues to rotate, the shrinkage rod 19 is driven to slide in the loop bar 18, then the pressure between the shrinkage rod 19 and the loop bar 18 is large, the connecting plate 17 can be enabled to rotate the stop 28, the stop 28 rotates, the connecting plate 17 can be enabled to move to a second layer, the operation is repeated, the submarine sediment can be stored in a layered mode, the follow-up detection on the submarine sediment is enabled to be more accurate, and the use is more convenient.

Subsequently, the connecting pipe 3 is turned to be connected, so that the connecting pipe 3 can drive the clamping block 5 to rotate, then, the clamping block 5 rotates to the inside of the vertical groove of the clamping groove 4, then, the connecting pipe 3 can be pulled, so that the connecting pipe 3 drives the clamping block 5 to move, then, the connecting pipe 3 can be separated from the surface of the mounting sleeve 1, then, the connecting pipe 3 can be driven to drive the discharging sleeve 23 to separate, the submarine precipitate in the placing groove 24 can be conveniently sampled, the submarine precipitate can be conveniently detected, then, the connecting pipe 3 drives the discharging sleeve 23 to be embedded into the mounting sleeve 1, the clamping block 5 is embedded into the clamping groove 4, then, the connecting pipe 3 is rotated, so that the connecting pipe 3 drives the clamping block 5 to rotate to the inside of the clamping groove 4, the connecting pipe 3 and the mounting sleeve 1 can be fixed, the use is convenient.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a seabed surface deposit layering collection system, includes installation cover (1) and driving motor (21), its characterized in that: the connecting pipe (3) is inserted into the mounting sleeve (1), the discharging sleeve (23) is fixedly mounted at the bottom end of the connecting pipe (3), the placing groove (24) is formed in the discharging sleeve (23), the placing plate (25) is transversely fixedly mounted in the placing groove (24), the layered sleeve (9) is fixedly mounted in the connecting pipe (3), the first discharging notch (10) is formed in the bottom end of the layered sleeve (9), the first supporting rod (11) is fixedly mounted in the first discharging notch (10), the supporting plate (12) is fixedly mounted at the bottom end of the layered sleeve (9), the inserting barrel (13) is fixedly mounted at the bottom end of the supporting plate (12), the protective shell (22) is fixedly inserted at the top end of the layered sleeve (9), and the transmission motor (21) is fixedly mounted in the protective shell (22), the output fixed mounting of transmission motor (21) has dwang (7), the bottom fixed mounting of dwang (7) has abaculus (8), dwang (7) run through protective housing (22) and extend to the inside of layering sleeve pipe (9), the inside of ejection of compact cover (23) is inserted and is equipped with smooth bucket (6), second ejection of compact notch (14) have been seted up to the top inside of smooth bucket (6), the inside fixed mounting of second ejection of compact notch (14) has second bracing piece (15), the both ends of second bracing piece (15) and the both ends fixed connection of second ejection of compact notch (14), dwang (7) extend to the inside of smooth bucket (6), and the bottom fixed mounting of dwang (7) has threaded blade (31), the top fixed mounting of smooth bucket (6) has connecting rod (16), the top fixed mounting of connecting rod (16) has connecting plate (17), the top fixed mounting of connecting plate (17) has loop bar (18), the hole has been seted up to the top inside of loop bar (18), and the inside of hole is inserted and is equipped with draw back pole (19), the top fixed mounting of draw back pole (19) has movable plate (20), the outer wall top of dwang (7) is provided with the external screw thread, dwang (7) and movable plate (20) threaded connection.

2. The layered seafloor surface sediment collection device of claim 1, wherein: through-hole (2) have been seted up to the outer wall of installation cover (1), through-hole (2) evenly encircle the outer wall at installation cover (1), through-hole (2) have been seted up to the bottom of installation cover (1), the hole and the through-hole (2) of installation cover (1) bottom are linked together.

3. The layered seafloor surface sediment collection device of claim 1, wherein: the outer wall fixed mounting of connecting pipe (3) has fixture block (5), draw-in groove (4) have been seted up on the top of installation cover (1), the shape of fixture block (5) is T shape, the shape of draw-in groove (4) is L nature, and the one end of smooth bucket (6) is linked together with the top of installation cover (1), draw-in groove (4) and fixture block (5) all are provided with four groups, and draw-in groove (4) and fixture block (5) evenly encircle the outer wall at installation cover (1) and connecting pipe (3).

4. The layered seafloor surface sediment collection device of claim 1, wherein: the top end of the inner wall of the sliding barrel (6) is fixedly provided with an extrusion block (32), the extrusion block (32) is inclined, and the inclined surface of the outer wall of the extrusion block (32) and the top end of the opening of the second discharging notch (14) are positioned on the same horizontal line.

5. The layered seafloor surface sediment collection device of claim 1, wherein: the utility model discloses a lead frame, including dwang (7), the inside of just installing piece (27) has been seted up to the outer wall fixed mounting of intermediate position department of dwang (7) has installation piece (27), and the inside fixed mounting of notch has axostylus axostyle (29), dog (28) have been cup jointed to the outer wall of axostylus axostyle (29), the outer wall of axostylus axostyle (29) is located dog (28) inner wall department fixed mounting and has torsional spring (30), torsional spring (30) cup joint the outer wall at.

6. The layered seafloor surface sediment collection device of claim 1, wherein: first ejection of compact notch (10) are provided with three groups, and the shape of first ejection of compact notch (10) is the annular, support through first bracing piece (11) between first ejection of compact notch (10), three groups the interval and the three groups of first ejection of compact notch (10) place the interval of groove (24) and correspond each other.

7. The layered seafloor surface sediment collection device of claim 1, wherein: the opening part of loop bar (18) is provided with the hole, and the inner wall diameter of hole is less than the inside hole of loop bar (18), the bottom fixed mounting of throat bar (19) has circular piece, and the diameter of circular piece is greater than the diameter of loop bar (18) opening part hole, pressure spring (26) have been cup jointed to the outer wall of throat bar (19).

8. The layered seafloor surface sediment collection device of claim 1, wherein: the top end of the transmission motor (21) is fixedly provided with a battery pack, and the battery pack is electrically connected with the input end of the transmission motor (21).

9. The layered seafloor surface sediment collection device of claim 1, wherein: the placing groove (24) is provided with three groups, and the calibers of the three groups are equal to the calibers of the second discharging notch (14).

10. The layered seafloor surface sediment collection device of claim 5, wherein: the installation piece (27) are provided with four groups, the installation piece (27) evenly encircles the outer wall at dwang (7), and every four groups of installation pieces (27) are one row, installation piece (27) are provided with three rows altogether, and the interval between every row of installation piece (27) equals with the interval between the first ejection of compact notch (10) of three groups.