Seabed sludge sampling device for marine geological survey

Abstract

The invention discloses a seabed sludge sampling device for marine geological survey, the seabed sludge sampling device comprises an extension arm, the bottom of the extension arm is provided with a collection member, the collection member comprises: a connection frame installed at the bottom of the extension arm; and the sampling piece is installed on the connecting frame and used for sludge sampling treatment, and the sampling piece comprises a protective shell fixedly connected with the connecting frame. According to the seabed sludge sampling device for the marine geological survey, the extension arm, the connecting frame and the sampling piece are transferred to a sea land sludge accumulation position by an external submersible, the shell, the driving piece, the recovery piece, the multiple groups of extension pipes and the auger are driven by the hydraulic cylinder assembly to move towards the sludge accumulation end, and the multiple groups of extension pipes are inserted into sludge by a proper depth; the motor drives the multiple sets of augers to rotate through the belt wheel assembly, the two sets of driving shafts and the multiple sets of bevel gear assemblies, and the augers are rotated to guide sludge guided into the extension pipe into the recycling box through the extension pipe and the blocking piece.

Description

Technical Field

[0001] The invention relates to the technical field of marine geological survey, in particular to a seabed mud sampling device for marine geological survey. Background Art

[0002] During marine geological surveys, corresponding sampling devices are required to sample seabed silt. Referring to the authorization announcement number CN118032422B, a seabed silt sampling device for marine chemical surveys includes a support plate, a control box is fixed to the bottom of the support plate, crawlers are provided on the front and rear sides of the control box, and a propeller is provided above the support plate. Multiple groups of sampling tubes enable the equipment to sample samples at different depths, thereby improving the diversity of sampling. As described in the above patent, when the existing seabed silt sampling device for marine geological surveys is used, most of the sampling ends of the device are prone to silt and more seawater flowing into the recovery end due to water pressure during the silt sampling process, affecting the silt sampling effect, and most of the sampling ends and recovery ends of the device are difficult to clean in time after the recovered silt is exported, thereby affecting the subsequent sampling silt detection.

[0003] Invention content

[0004] In view of the shortcomings of the existing technology, the present invention provides a new type of seabed silt sampling device for marine geological surveys, which solves the problem that a large amount of seawater and silt are introduced into the recovery end of the device, affecting the silt recovery efficiency.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a seabed mud sampling device for marine geological surveys, comprising an extension arm installed at the bottom of a submersible for marine geological surveys, a collecting member for sampling and collecting seabed mud installed at the bottom of the extension arm, and the collecting member comprising:

[0006] Connecting frame, installed at the bottom of the extension arm;

[0007] The sampling part is installed on the connecting frame for sludge sampling and processing, and the sampling part includes a protective shell fixedly connected to the connecting frame, and a hydraulic cylinder assembly for adjusting the height of the sampling end is installed on the upper side of the protective shell, and a shell is installed at the bottom extension end of the hydraulic cylinder assembly, and an extension tube for inserting sludge is installed at the bottom of the shell, and an auger for sludge transportation is rotatably connected in the extension tube, and a driving part for driving the auger is installed on the inside of the shell, and the protective shell and the shell are commonly connected with a recovery part, and the recovery part includes a recovery box installed at the bottom of the shell, and the recovery box is connected with a cleaning part for sludge cleaning, and the cleaning part includes an array of barriers respectively connected to the recovery box and the extension tube and used to adjust the connection state, and a mud pump for sludge extraction is installed on the inside of the shell, and the mud pumping end of the mud pump is installed with a mud pumping pipe fixedly connected to the lower end of the rear side of the recovery box, and the mud discharge end of the mud pump is installed with a recovery pipe fixedly connected to the protective shell and the shell.

[0008] Preferably, the driving member includes a motor installed on the inner side of the shell, and a pulley assembly is installed at the output end of the motor. The driving pulley and the driven pulley in the pulley assembly are respectively coaxially fixedly connected to a group of driving shafts rotatably connected to the shell, and the two groups of driving shafts are respectively connected to an array of bevel gear assemblies for driving the auger to rotate.

[0009] Preferably, the motor output end is coaxially fixedly connected to the driving pulley in the pulley assembly, the drive shaft is coaxially fixedly connected to the driving bevel gear in the bevel gear assembly, and the driven bevel gear in the bevel gear assembly is coaxially fixedly connected to the auger.

[0010] Preferably, the cleaning component also includes a water spray plate installed on the top of the recovery box, a water pump is installed at the upper end of the protective shell, a water pump end is installed with a water pump pipe, and a three-way valve for switching the water flow direction is installed at the bottom drainage end of the water pump. The bottom and rear side of the three-way valve are respectively installed with a second bellows and a third bellows fixedly connected to the protective shell and the shell, the bottom of the second bellows is fixedly connected to the water spray plate, and the bottom of the third bellows is installed with a bifurcated pipe for supplying water to the barrier component, and a plurality of water spray holes are provided at the bottom of the water spray plate, and the interior of the water spray plate is hollow and respectively connected to the second bellows and the water spray holes.

[0011] Preferably, the blocking member includes a connecting pipe fixedly connected and communicated with the upper side of the extension pipe, a bent pipe fixedly connected and communicated with the side of the recovery box is installed on the lower side of the connecting pipe, a blocking block for adjusting the communication state between the extension pipe and the bent pipe is slidably connected to the inner side of the connecting pipe, a filter tank with an embedded filter plate is provided near the auger side of the blocking block, the blocking block and the connecting pipe are jointly connected to a first corrugated pipe, and a cylinder for adjusting the position of the blocking block and fixedly connected to the recovery box is installed on the side of the connecting pipe.

[0012] Preferably, the first corrugated pipe is communicated with the filter tank, and the extended end of the cylinder is fixedly connected to the barrier block.

[0013] Preferably, a partition frame is installed on the lower edge of the shell body and fits with the inner wall of the protective shell. A movable groove is provided at the bottom of the protective shell near the end of the array extension tube.

[0014] Preferably, the extension arm, connecting frame, protective shell, shell, extension tube, auger, and recovery box are all made of stainless steel.

[0015] Beneficial effects

[0016] The present invention provides a new device for sampling seabed mud for marine geological surveys. Compared with the existing technology, it has the following advantages:

[0017] (1) The seabed mud sampling device used for marine geological survey sets a sampling part in the device, and allows an external submersible to move the extension arm, connecting frame, and sampling part to the mud accumulation place on the seabed, and allows the hydraulic cylinder assembly to drive the shell, driving part, recovery part, array extension tube, and auger to move toward the mud accumulation end, so that the array extension tube is inserted into the mud at a suitable depth. The motor drives the array auger to rotate through the pulley assembly, two sets of drive shafts, and array bevel gear assembly respectively, and the rotating auger guides the silt introduced into the extension tube into the recovery box through the extension tube and the barrier part. This setting collects the silt by inserting the sampling assembly into the silt and transporting it through the auger, reducing the impact of seawater influx into the collection end during the collection process and affecting the silt recovery efficiency.

[0018] (2) The seabed silt sampling device used for marine geological surveys is equipped with a cleaning part inside the device. After the silt is collected in the recovery box and discharged, the water pump draws water from the outside through the suction pipe, and then the water passes through the three-way valve, the second bellows, and the water spray plate to spray the inner wall of the recovery box for cleaning, thereby reducing the impact on subsequent silt sampling.

[0019] (3) The seabed mud sampling device used for marine geological survey sets a barrier in the device, and allows the cylinder to adjust the horizontal position of the barrier block and the filter plate to achieve the connection state between the bend pipe, the recovery box and the connecting pipe and the extension pipe, thereby reducing the seawater from being introduced into the recovery box during the insertion of the extension pipe into the mud, and facilitating the subsequent introduction of the mud transported by the auger into the recovery box. After the entire sampling device is recovered and the inside of the recovery box is cleaned, the three-way valve is reversed and the water pump is started. At this time, the water pumped by the water pump is sprayed out through the three-way valve, the bifurcated pipe, the first bellows of the array, the barrier block, and the filter plate. The water sprayed from the filter plate is used to flush the inside of the extension pipe through the connecting pipe, thereby reducing the subsequent cleaning steps of the residual mud retained at the sampling end and improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A cross-sectional view of the novel sampling member of the present invention;

[0021] Figure 2 This is a partial enlarged view of the new driving member of the present invention;

[0022] Figure 3 This is a partial enlarged view of the new recycling unit of the present invention;

[0023] Figure 4 It is a partial cross-sectional enlarged view of the novel cleaning element of the present invention;

[0024] Figure 5 It is a partial cross-sectional enlarged view of the novel barrier member of the present invention;

[0025] Figure 6 It is a novel stereogram of the present invention.

[0026] Figure: 1, extension arm; 2, connecting frame; 3, sampling part; 31, protective shell; 32, hydraulic cylinder assembly; 33, housing; 34, extension tube; 35, auger; 36, driving part; 361, motor; 362, pulley assembly; 363, driving shaft; 364, bevel gear assembly; 37, recovery part; 371, recovery box; 372, cleaning part; 3721, barrier part; 37211, connecting pipe ; 37212, elbow; 37213, barrier block; 37214, filter plate; 37215, cylinder; 37216, first bellows; 3722, water spray plate; 3723, water pump; 3724, three-way valve; 3725, water pump; 3726, second bellows; 3727, third bellows; 3728, bifurcated pipe; 373, mud pump; 374, mud pump; 375, recovery pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] refer to Figure 1-6 The present invention provides the following three technical solutions:

[0029] The first embodiment: A seabed mud sampling device for marine geological surveys, comprising an extension arm 1 mounted on the bottom of a submersible for marine geological surveys, a collecting member for collecting seabed mud samples mounted on the bottom of the extension arm 1, the collecting member comprising: a connecting frame 2 mounted on the bottom of the extension arm 1;

[0030] The sampling part 3 is installed on the connecting frame 2 for sludge sampling and processing. The sampling part 3 includes a protective shell 31 fixedly connected to the connecting frame 2. A hydraulic cylinder assembly 32 for adjusting the height of the sampling end is installed on the upper side of the protective shell 31. A shell 33 is installed on the bottom extension end of the hydraulic cylinder assembly 32. An extension tube 34 for inserting sludge is installed at the bottom of the shell 33. An auger 35 for sludge transportation is rotatably connected in the extension tube 34. A driving part 36 for driving the auger 35 is installed on the inside of the shell 33. The protective shell 31 and the shell 33 are connected together with a recovery part 37. The receiving part 37 includes a recovery box 371 installed at the bottom of the shell 33. The recovery box 371 is connected to a cleaning part 372 for cleaning sludge. The cleaning part 372 includes an array of blocking parts 3721 respectively connected to the recovery box 371 and the extension tube 34 and used to adjust the communication state. A sludge pump 373 for extracting sludge is installed inside the shell 33. The sludge pumping end of the sludge pump 373 is installed with a sludge pumping pipe 374 fixedly connected to the lower end of the rear side of the recovery box 371. The sludge discharge end of the sludge pump 373 is installed with a recovery pipe 375 fixedly connected to the protective shell 31 and the shell 33 respectively.

[0031] The driving member 36 includes a motor 361 mounted on the inner side of the housing 33, and a pulley assembly 362 is installed at the output end of the motor 361. The driving pulley and the driven pulley in the pulley assembly 362 are respectively coaxially fixedly connected to a group of drive shafts 363 rotatably connected to the housing 33. The two groups of drive shafts 363 are respectively connected to an array of bevel gear assemblies 364 for driving the auger 35 to rotate; the output end of the motor 361 is coaxially fixedly connected to the driving pulley in the pulley assembly 362, the drive shaft 363 is coaxially fixedly connected to the driving bevel gear in the bevel gear assembly 364, and the driven bevel gear in the bevel gear assembly 364 is Coaxially fixedly connected to the auger 35, the extension arm 1, the connecting frame 2, and the sampling member 3 are transferred to the silt accumulation area in the sea by an external submersible. The hydraulic cylinder assembly 32 drives the housing 33, the driving member 36, the recovery member 37, the array extension tubes 34, and the auger 35 toward the silt accumulation end, so that the array extension tubes 34 are inserted into the silt to a suitable depth. The motor 361 drives the array auger 35 to rotate through the pulley assembly 362, the two sets of drive shafts 363, and the array bevel gear assembly 364. The rotating auger 35 guides the silt introduced into the extension tube 34 through the extension tube 34 and the barrier 3721 into the recovery box 371;

[0032] The second embodiment differs from the first embodiment mainly in that:

[0033] The cleaning member 372 also includes a water spray plate 3722 installed on the top of the recovery box 371, a water pump 3723 is installed on the upper end of the protective shell 31, a water pump 3723 is installed on the water pump end 3725, and a three-way valve 3724 for switching the water flow direction is installed on the bottom and rear side of the three-way valve 3724. The second bellows 3726 and the third bellows 3727 are fixedly connected to the protective shell 31 and the shell 33, respectively. The bottom of the second bellows 3726 is fixed to the water spray plate 3722. A bifurcated pipe 3728 is installed at the bottom of the third bellows 3727 to supply water to the barrier 3721. A plurality of water spray holes are provided at the bottom of the water spray plate 3722. The water spray plate 3722 is hollow and connected to the second bellows 3726 and the water spray holes respectively. After the sludge collected in the recovery box 371 is discharged, the water pump 3723 draws water from the outside through the pumping pipe 3725. The water then passes through the three-way valve 3724, the second bellows 3726, and the water spray plate 3722 to spray and clean the inner wall of the recovery box 371.

[0034] The third embodiment differs from the second embodiment mainly in that:

[0035] The blocking member 3721 includes a connecting pipe 37211 fixedly connected to and in communication with the upper side of the extension tube 34, a bend pipe 37212 fixedly connected to and in communication with the side of the recovery box 371 is installed on the lower side of the connecting pipe 37211, and a blocking block 37213 for adjusting the connection state between the extension tube 34 and the bend pipe 37212 is slidably connected to the inner side of the connecting pipe 37211. The blocking block 37213 is provided with a filter tank with an embedded filter plate 37214 near the side of the auger 35. The blocking block 37213 and the connecting pipe 37211 are commonly connected to a first bellows 37216, which is fixedly connected and communicated with the bifurcated pipe 3728. A cylinder 37215 for adjusting the position of the blocking block 37213 and fixedly connected to the recovery box 371 is installed on the side of the connecting pipe 37211; the first bellows 37216 is communicated with the filter tank, and the extended end of the cylinder 37215 is fixedly connected to the blocking block 37213;

[0036] The lower edge of the shell 33 is equipped with a partition frame that fits the inner wall of the protective shell 31. The bottom of the protective shell 31 is provided with a movable groove near the end of the array extension tube 34. The extension arm 1, the connecting frame 2, the protective shell 31, the shell 33, the extension tube 34, the auger 35, and the recovery box 371 are all made of stainless steel. The horizontal position of the blocking block 37213 and the filter plate 37214 is adjusted by the cylinder 37215 to achieve the connection between the elbow 37212, the recovery box 371 and the connecting pipe 37211 and the extension tube 34, thereby reducing the insertion of the extension tube 34 into the silt. During the process, seawater is introduced into the recovery tank 371, and it is helpful to subsequently transport the sludge through the auger 35 into the recovery tank 371. After the entire sampling device is recovered and the inside of the recovery tank 371 is cleaned, the three-way valve 3724 is reversed and the water pump 3723 is started. At this time, the water pumped by the water pump 3723 is sprayed out through the three-way valve 3724, the bifurcated pipe 3728, the first bellows 37216 of the array, the barrier block 37213, and the filter plate 37214. The water sprayed from the filter plate 37214 is used to flush the inside of the extension tube 34 through the connecting pipe 37211.

[0037] At the same time, the contents not described in detail in this specification belong to the existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0038] During use, the user moves the extension arm 1, the connecting frame 2, and the sampling piece 3 to the silt accumulation place in the sea through the external submersible, and starts the hydraulic cylinder assembly 32. The hydraulic cylinder assembly 32 drives the housing 33, the driving piece 36, the recovery piece 37, the array extension tube 34, and the auger 35 to move toward the silt accumulation end. After the array extension tube 34 is inserted into the silt to a suitable depth, the hydraulic cylinder assembly 32 is closed. At this time, part of the silt flows into the extension tube 34, and the horizontal position of the barrier block 37213 and the filter plate 37214 is adjusted by the array cylinder 37215. The curved pipe 37212 is connected to the connecting pipe 37211 and the extension pipe 34, and the motor 361 is started. The motor 361 drives the array of augers 35 to rotate through the pulley assembly 362, the two sets of drive shafts 363, and the array of bevel gear assemblies 364. The rotating augers 35 guide the sludge introduced into the extension pipe 34 into the recovery box 371 through the extension pipe 34, the connecting pipe 37211, and the curved pipe 37212. After the introduction is completed, the various links are reset and the entire device is moved to the remaining location where the seabed sludge is accumulated, and the above-mentioned sludge sampling operation is repeated;

[0039] After the sampling operation is completed, the submersible is driven to drive the entire device back to the scientific research ship, and the recovery pipe 375 on the submersible is connected to the external material recovery end, and the mud pump 373 is started. The mud pump 373 extracts the silt in the recovery box 371 through the mud pumping pipe 374 and transports the silt to the external material recovery side through the recovery pipe 375. After the treatment is completed, the water pumping pipe 3725 is connected to the external clean water source, and the water pump 3723 is started. The water pump 3723 extracts the external water source through the water pumping pipe 3725, and then the water is transported to the external material recovery side through the tee. The valve 3724, the second bellows 3726, and the water spray plate 3722 spray and clean the inner wall of the recovery box 371. After the interior of the recovery box 371 is cleaned, the blocking block 37213 is moved to the side close to the auger 35, and the three-way valve 3724 is reversed. At this time, water is sprayed out through the three-way valve 3724, the bifurcated pipe 3728, the first bellows 37216 of the array, the blocking block 37213, and the filter plate 37214. The water sprayed from the filter plate 37214 is used to flush the inside of the extension tube 34 through the connecting pipe 37211.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seabed mud sampling device for marine geological surveys, comprising an extension arm (1) mounted on the bottom of a submersible for marine geological surveys, characterized in that: A collecting piece for sampling and collecting seabed mud is installed at the bottom of the extension arm (1), and the collecting piece includes: A connecting frame (2) is mounted on the bottom of the extension arm (1); A sampling member (3) is mounted on a connecting frame (2) for sludge sampling and processing. The sampling member (3) comprises a protective shell (31) fixedly connected to the connecting frame (2). A hydraulic cylinder assembly (32) for adjusting the height of the sampling end is mounted on the upper side of the protective shell (31). A housing (33) is mounted on the bottom extension end of the hydraulic cylinder assembly (32). An extension tube (34) for inserting sludge is mounted on the bottom of the housing (33). An auger (35) for sludge transportation is rotatably connected to the extension tube (34). A driving member (36) for driving the auger (35) is mounted on the inside of the housing (33). A recovery member (37) is commonly connected to the protective shell (31) and the housing (33). The recovery part (37) includes a recovery box (371) installed at the bottom of the shell (33), the recovery box (371) is connected to a cleaning part (372) for sludge cleaning, the cleaning part (372) includes an array of blocking parts (3721) respectively connected to the recovery box (371) and the extension tube (34) and used to adjust the connection state, a sludge pump (373) for sludge extraction is installed inside the shell (33), the sludge pump (373) is installed at the sludge pumping end thereof with a sludge pumping pipe (374) fixedly connected to the lower end of the rear side of the recovery box (371), and the sludge discharge end thereof with a recovery pipe (375) fixedly connected to the protective shell (31) and the shell (33).

2. The seabed mud sampling device for marine geological survey according to claim 1, characterized in that: The driving member (36) includes a motor (361) installed on the inner side of the housing (33), and a pulley assembly (362) is installed at the output end of the motor (361). The driving pulley and the driven pulley in the pulley assembly (362) are respectively coaxially fixedly connected to a group of driving shafts (363) rotatably connected to the housing (33), and the two groups of driving shafts (363) are respectively connected to an array of bevel gear assemblies (364) for driving the auger (35) to rotate.

3. The seabed mud sampling device for marine geological survey according to claim 2, characterized in that: The output end of the motor (361) is coaxially fixedly connected to the driving pulley in the pulley assembly (362), the driving shaft (363) is coaxially fixedly connected to the driving bevel gear in the bevel gear assembly (364), and the driven bevel gear in the bevel gear assembly (364) is coaxially fixedly connected to the auger (35).

4. The seabed mud sampling device for marine geological survey according to claim 1, characterized in that: The cleaning member (372) further comprises a water spray plate (3722) mounted on the top of the recovery box (371), a water pump (3723) is mounted on the upper end of the protective shell (31), a water pump (3723) is mounted on the water pumping end thereof, a water pumping pipe (3725) is mounted on the water pump (3723), a three-way valve (3724) for switching the direction of water flow is mounted on the bottom drainage end thereof, and the bottom and rear sides of the three-way valve (3724) are respectively mounted with valves connected to the protective shell (31) and the housing (33 ) are fixedly connected to the second bellows (3726) and the third bellows (3727), the bottom of the second bellows (3726) is fixedly connected to the water spray plate (3722), the bottom of the third bellows (3727) is installed with a bifurcated pipe (3728) for supplying water to the barrier (3721), the bottom of the water spray plate (3722) is provided with a plurality of water spray holes, the interior of the water spray plate (3722) is hollow and is respectively connected to the second bellows (3726) and the water spray holes.

5. The seabed mud sampling device for marine geological survey according to claim 1, characterized in that: The blocking member (3721) includes a connecting pipe (37211) fixedly connected to and in communication with the upper side of the extension tube (34); a curved pipe (37212) fixedly connected to and in communication with the side of the recovery box (371) is installed on the lower side of the connecting pipe (37211); a blocking block (37213) for adjusting the communication state between the extension tube (34) and the curved pipe (37212) is slidably connected to the inner side of the connecting pipe (37211); a filter tank with an embedded filter plate (37214) is provided on the side of the blocking block (37213) close to the auger (35); the blocking block (37213) and the connecting pipe (37211) are jointly connected to a first corrugated pipe (37216); and a cylinder (37215) for adjusting the position of the blocking block (37213) and fixedly connected to the recovery box (371) is installed on the side of the connecting pipe (37211).

6. The seabed mud sampling device for marine geological survey according to claim 5, characterized in that: The first bellows (37216) is connected to the filter tank, and the extended end of the cylinder (37215) is fixedly connected to the blocking block (37213).

7. The seabed mud sampling device for marine geological survey according to claim 1, characterized in that: A partition frame is installed on the lower edge of the housing (33) and is fitted with the inner wall of the protective shell (31). A movable groove is provided at the bottom of the protective shell (31) near the end of the array extension tube (34).

8. The seabed mud sampling device for marine geological survey according to claim 1, characterized in that: The extension arm (1), the connecting frame (2), the protective shell (31), the housing (33), the extension tube (34), the auger (35), and the recovery box (371) are all made of stainless steel.

Images