CN103364225B - Muddy Bottoms mud scum harvester - Google Patents

Muddy Bottoms mud scum harvester Download PDF

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Publication number
CN103364225B
CN103364225B CN201310304584.7A CN201310304584A CN103364225B CN 103364225 B CN103364225 B CN 103364225B CN 201310304584 A CN201310304584 A CN 201310304584A CN 103364225 B CN103364225 B CN 103364225B
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sleeve
sampler barrel
cylinder
mud scum
muddy bottoms
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CN103364225A (en
Inventor
钮建定
胡建平
张�成
程泽坤
成利民
李孝杰
董教社
冯蓓蕾
王照明
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CCCC Third Harbor Consultants
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CCCC Third Harbor Consultants
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Priority claimed from PCT/CN2013/087104 external-priority patent/WO2015007035A1/en
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Abstract

The invention discloses a kind of Muddy Bottoms mud scum harvester, comprise with lower component: driving cylinder, outer sleeve, sampler barrel, ear cover plate, renovate, control loop and control lever, driving cylinder comprises cylinder sleeve, piston and piston rod; Outer sleeve is fixedly connected on below cylinder sleeve; Sampler barrel is removably mounted on outer sleeve inside; Ear cover plate is fixedly connected with the lower end of piston rod, and can close the upper end open of described sampler barrel; Renovate and be arranged on outer sleeve lower end turningly, and the lower ending opening of sampler barrel can be closed; Control loop is positioned at the below of sampler barrel, for blocking renovating in opened condition; Control lever upper end is connected with ear cover plate, and lower end is connected with control loop.Driving cylinder can drive ear cover plate and renovate the upper end open and lower ending opening of closing sampler barrel respectively, before sampler barrel is closed, without the need to promoting sampling apparatus, thus can preserve the original state of mud sample well; And do not affect by environment, the depth of water etc.<!--1-->

Description

Muddy Bottoms mud scum harvester
Technical field
The present invention relates to a kind of Muddy Bottoms mud scum of coastal engineering harvester, belong to sampling and technical field of measurement and test specifically.
Background technology
The exploitation of seaworthy water depth resource utilizes Muddy Bottoms Gang Qu navigation channel and the following Mud Layer of the existing depth of water of coastal waterway in mud characteristic to open the navigation or air flight, so both can increase boat dark, the maintenance cost that boat is dark can be reduced again, extend the Interval of Maintenance Dredging in harbour, navigation channel and berth, improve Port Economic benefit.China started to have carried out the development and application of seaworthy water depth at some harbours from the eighties in 20th century, and issued Ministry of Communications's industry standard " Muddy Bottoms harbour seaworthy water depth application technology specification " (JTJ/T325-2006), thus implemented as official standard in China.Determine the feature of seaworthiness Mud Layer thickness, prerequisite is the mud scum sample collecting different levels in the layer that back-silts under water, carries out particle composition analysis, sediment settlement, closely knit, mud rheological experiments etc.At present, have made great progress in undisturbed soil sampler design and manufaction both at home and abroad, representative has: fixed piston thin-wall sampler, single action triple (double) pipe soil sample barrel etc., their soil sampling mass is all higher, substantially meets the demand of engineer geological prospecting.But they are applicable to the stratum such as soft clay, gravel, differentiation rock, the Mud Layer water percentage related to due to seaworthy water depth is very big, makes mud scum be flow state, and obviously, it is flowable state mud scum that these soil sample barrels above-mentioned cannot be applicable to gather different depth.In addition, above-mentioned soil sample barrel adopts directly forced, hammering adding pressure type or the rotary sampling mode of pressure, is not also suitable for collection mud scum.
Some gather strainer owing to being in unlimited mode, and lifting process can affect sample quality, and water is darker, affects larger.
Such as Chinese utility model patent 201020513399.0 discloses enclosed type soil sampler in one, for tubular structure, comprise top to fetch earth pipe, fetch earth pipe three part for middle part blocking device and bottom, fetch earth pipe connection middle part blocking device on top, middle part blocking device is made up of axle valve seat and axle valve, axle valve is embedded in axle valve seat, fetch earth blocking device connection bottom, middle part pipe, pipe is fetched earth for the interior pipe that fetches earth in top, braking outer tube is equipped with in outside, there are vertically-guided groove and arcuate brake groove in braking outer tube bottom, gathering sill causes suspension body only to move up and down by Vertical dimension, arcuate brake groove causes axle valve only to rotate by horizontal axis.But the retroaction of burying is depended in the unlatching of middle part axle valve, and the Mud Layer retroaction being in fluidised form is very micro-, impact is opened, thus reduces sampling rate.
For another example Chinese utility model patent 201220330329.0 discloses a kind of flute profile sampler closing device, and closing device comprises snap ring-type guide rod, folding can hinder slice, cylindrical shell and flute profile cap liner; Snap ring-type guide rod is fixed on soil sample barrel lower end, snap ring-type guide rod slide type mechanical connector drum, and cylindrical shell upper end is equipped with and folding can be hindered slice, and cylindrical shell lower end connects flute profile cap liner by spring.When extracting soil sample barrel, utilize the resistance of earth that resistance slice is opened, cylindrical shell moves down, and soil sample closed by cap liner.
And for example Chinese utility model patent 201220330330.3 discloses the closed soil sample barrel of a kind of check, comprises piston, soil sample pipe, check sealed tube and movable shoe; Piston connects soil sample pipe, check sealed tube, movable shoe successively, and piston, soil sample pipe, check sealed tube are fixedly linked together, and movable shoe and check sealed tube are slide type mechanical syndeton, the check sheet that check sealed tube touches built with movable shoe.When extracting soil sample barrel, utilize the resistance of earth that movable shoe is glided, drive check sheet to close soil sample.
Although above-mentioned three kinds of soil sample barrels all can be used for the collection of underwater mud matter mud scum, have limitation, it is softly mould ~ plastic state sampling that the 1st kind of soil sample barrel is applicable to top layer, riverbed.2nd, following problems may be encountered for 3 kinds of soil sample barrels: floating, stream, mud, and water cut, proportion, density, sand grain content etc. exist larger difference in soft ~ plastic soil, the resistance of formation is different, floating, stream mud resistance is minimum, and rely on draught control to close soil sample barrel sealing, be difficult to reach high sampling rate.
In addition, the 1st kind of soil sample barrel substructure adopts negative pressure of vacuum sampling, for existing exploration engineering generally adopts, be applicable to have form soft ~ plastic soil sampling; 2nd, 3 kinds of soil sample barrels have employed closing device, a progress to successful acquisition mud scum, but because closing device is made up of some checks (sealing) sheet, the factor such as gap between cap liner close synchronously and cap liner, all can cause the seepage with water in high-moisture mud scum, affect sample data accuracy.
Moreover the capping of sample upper opening, is difficult to ensure whole sample original state when prior art does not all relate to sampling.
Summary of the invention
The technical problem to be solved in the present invention is to provide the higher Muddy Bottoms mud scum harvester of a kind of sampling quality, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the present invention is by the following technical solutions: a kind of Muddy Bottoms mud scum harvester, comprises with lower component: driving cylinder, comprise cylinder sleeve, piston and piston rod, described piston and inboard wall of cylinder liner are slidably matched, and the upper end of piston rod is fixedly connected with piston; Outer sleeve, is fixedly connected on below described cylinder sleeve; Sampler barrel, is removably mounted on outer sleeve inside, and the upper/lower terminal of sampler barrel is equipped with opening; Ear cover plate, is fixedly connected with the lower end of described piston rod, and can close the upper end open of described sampler barrel; Renovate, be arranged on outer sleeve lower end turningly, and the lower ending opening of described sampler barrel can be closed; Control loop, is positioned at the below of sampler barrel, for blocking renovating in opened condition; Control lever, upper end is connected with ear cover plate, and lower end is connected with control loop.
Preferably, also comprise a drill pipe sub to be connected with the threaded upper ends of described cylinder sleeve.
Preferably, the lower end of described cylinder sleeve is fixedly connected with a gag, and gag is provided with the center pit passed for piston rod.
Preferably, described gag is also provided with vent port.
Preferably, described outer sleeve by intermediate cylinder, narrow pipe and Overturnable-plate frame be formed by connecting, the upper end of described intermediate cylinder is threaded with the lower end of cylinder sleeve; The described pipe that narrows is put together by two semi-circular tubes, and the upper end of the pipe that narrows is threaded with the lower end of intermediate cylinder, and the lower end of the pipe that narrows is threaded with Overturnable-plate frame; Described renovating is arranged on Overturnable-plate frame; The upper/lower terminal of described sampler barrel outer wall is respectively provided with flange, described in narrow the two ends of pipe between described flange.
More preferably, the sidewall of described intermediate cylinder has through hole, the two ends of described ear cover plate are stretched out and are connected with described control lever from through hole.
More preferably, described in renovate and be arranged on Overturnable-plate frame by bearing pin, on bearing pin, cover has torsion spring.
Preferably, described in renovated two, be symmetrically arranged on outer sleeve lower end, renovate for two and be respectively provided with semicircle sealing gasket.
More preferably, described two ends of renovating are overlapped mutually by inclined-plane.
More preferably, the both sides of described control loop are renovated with described two respectively and are contacted, and wherein the coboundary of side higher than the coboundary of opposite side.
Compared with prior art, the present invention has following beneficial effect:
(1) after harvester arrives designated depth, by applying pressure in drilling rod, making driving cylinder drive ear cover plate and renovating the upper end open and lower ending opening of closing sampler barrel respectively, thus the original state of mud sample can be kept well, improving sampling rate; And do not affect by environment, the depth of water etc.
(2) driving cylinder can provide power by on-the-spot hydraulic pressure, the air pressure that possess of prospecting, standby without the need to separately arranging.
(3) whole harvester modular design, standardized structural, cost is low, and between each part, screw thread screws connection, dismantles easy.
(4) the present invention can be used for the mud scum sampling of Mud Layer different depth under water, and make sample be in natural, airtight, virgin state, carry out particle composition analysis, sediment settlement, closely knit, mud rheological experiments etc. according to industry standard (JTJ/T325-2006) for indoor and provide original sample, determining that seaworthy water depth, basin are safeguarded for navigation channel provides foundation.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of Muddy Bottoms mud scum of the present invention harvester.
Fig. 2 is the schematic perspective view of Muddy Bottoms mud scum harvester of the present invention after biopsy cavity marker devices.
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of Muddy Bottoms mud scum harvester the first half of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of Muddy Bottoms mud scum harvester the latter half of the present invention.
Fig. 5 is the structural representation that renovating in the present invention is in open mode.
Fig. 6 is the structural representation that renovating in the present invention is in closure state.
Fig. 7 is the mounting means schematic diagram of sampler barrel in the present invention.
Fig. 8 is the overlap joint schematic diagram that in the present invention, two are renovated in closed state.
Embodiment
Be described in further detail the present invention below in conjunction with the drawings and specific embodiments, those skilled in the art can more clearly understand other advantages of the present invention and effect thus.
It should be noted that, the structure that Figure of description illustrates, ratio, size etc., only in order to coordinate embodiment, more clearly understand design of the present invention for those skilled in the art, and be not used to limit the scope of the invention.The adjustment of the modification of any structure, the change of proportionate relationship or size, when not affecting effect of the present invention and object reaches, all should still drop within protection scope of the present invention.For the ease of understanding, hereinafter alleged " on ", D score, " left, " right side " direction is described according to the Butut direction of Figure of description.
As shown in Figure 1 and Figure 2, a kind of Muddy Bottoms mud scum of the present invention harvester comprises a driving cylinder, it comprises cylinder sleeve 1, piston 2 and piston rod 3, the cylinder of piston 2 is provided with O-ring seal and coordinates with cylinder sleeve 1 inner wall sealing, and can move up and down in the inner chamber of cylinder sleeve 1, the upper end of piston rod 3 is fixedly connected with piston 2 by screw thread, and the lower end of piston rod 3 to be extended in an outer sleeve 20 and is fixedly connected with by screw thread with an ear cover plate 4; The stage casing of piston rod 3 can be set to square-section or hexagonal cross-section, facilitates the use spanner and twists screw thread.Outer sleeve 20 is fixedly connected on the below of described cylinder sleeve 1.Also removably a sampler barrel 6 is installed in outer sleeve 20 inside, the upper/lower terminal of sampler barrel 6 is equipped with opening, wherein the upper end open of sampler barrel 6 and described ear cover plate 4 just right, and can be closed by the bottom surface of ear cover plate 4, the bottom surface of ear cover plate 4 is provided with O RunddichtringO 14, can be sealed and matched with the upper end open of sampler barrel 6.The lower end of sampler barrel 6 exceedes the lower end of outer sleeve 20, is provided with turnoverly to renovate 9 in the lower end of outer sleeve 20.In a preferred embodiment of the invention, renovating 9 has two, is symmetrically arranged on outer sleeve 20 lower end.When renovating 9 and inwardly overturning, can close the lower ending opening of sampler barrel 6, two upper surfaces renovating 9 are respectively provided with the semicircle sealing gasket of one deck, to ensure sealing effectiveness.In the below of sampler barrel 6, keeping at a certain distance away is provided with the internal diameter control loop 11 identical with sampler barrel 6, and when renovating 9 and outwards opening, the lower end of renovating 9 can be blocked by control loop 11, makes it stay open state; Control loop 11 is connected with the lower end of control lever 10, and the upper end of control lever 10 is connected with ear cover plate 4.The upper end of cylinder sleeve 1 is connected with a drill pipe sub 15 by screw thread, and drill pipe sub 15, in hollow tubular, communicates with the inner chamber of cylinder sleeve 1, can import in the inner chamber of cylinder sleeve 1 by the air pressure of outside or hydraulic pressure, promote piston 2 and move downward.Drill pipe sub 15 upper end is provided with external thread, the drilling rod of some length that can be threaded, and run of steel extends vertically up to the water surface from prospecting platform, then extends to sampled point.
As shown in Figure 1, Figure 3, in order to the range of movement of limited piston 2, a gag 13 is fixedly connected with in the lower end of cylinder sleeve 1, gag 13 coordinates with the inner thread of cylinder sleeve 1, gag 13 is provided with the center pit passed for piston rod 3, also be provided with vent port 131, in the motion process of piston 2, vent port 131 can play the effect of pressure below balance piston 2.
Further, with reference to Fig. 1-Fig. 4, outer sleeve 20 can be formed by connecting by intermediate cylinder 5, narrow pipe 7 and Overturnable-plate frame 8, and wherein the upper end of intermediate cylinder 5 is threaded with the lower end of cylinder sleeve 1; And the pipe 7 that narrows is shown in Fig. 7 by two panels semi-circular tube 7a, 7b() be put together, the upper end of the pipe 7 that narrows is threaded with the lower end of intermediate cylinder 5, and the lower end of the pipe 7 that narrows is threaded with Overturnable-plate frame 8; Describedly renovate 9 and be arranged on Overturnable-plate frame 8 by bearing pin 12, on bearing pin 12, cover has torsion spring 16, and torsion spring 16 acts on renovates a closed moment of torsion on 9, namely to the acting force renovating 9 applyings and make its inside upset (closing).Certainly, the present invention do not get rid of renovate 9 also can realize under other External Force Acting upset.
Composition graphs 4, Fig. 7, be respectively provided with flange 61,62, and the two ends of the pipe 7 that narrows are between described flange 61,62 at the upper/lower terminal of sampler barrel 6 outer wall, thus by sampler barrel 6 axial limiting.
As Figure 4-Figure 6, the sidewall of intermediate cylinder 5 has the through hole 51 of rectangle, ear cover plate 4 can put into the inside of intermediate cylinder 5 from through hole 51, and the lug 41 at ear cover plate 4 two ends reaches the outside of intermediate cylinder 5 from through hole 51, and is connected with control lever 10.When moving downward under the drive of ear cover plate 4 at piston rod, through hole 51 also can provide activity space for the lug 41 at ear cover plate 4 two ends.When ear cover plate 4 moves downward, the upper end open of sampler barrel 6 can be closed on the one hand; On the other hand, ear cover plate 4 drives control loop 11 to move downward by control lever 10 again, when control loop 11 with renovate 9 disengage time, renovate 9 under the effect of torsion spring inside flip closed, the lower ending opening of sampler barrel 6 is closed.
As shown in Figure 8, in a preferred embodiment of the invention, two ends of renovating all are provided with inclined-plane 91, and under closure state, described two ends of renovating 9a, 9b, by inclined-plane 91 phase overlap joint, can increase surface of contact like this, strengthen sealing effectiveness.But this overlap joint, need control two to renovate 9a, 9b and successively complete upset, namely the 9a that renovates on right side needs first to roll up, and then, the 9b that renovates in left side rolls up again, makes their inclined-plane 91 overlap, and forms overlap joint.The present invention by reasonably arranging the shape of control loop, can reach this effect.As shown in Figure 5, with right side renovate control loop that 9a contacts on the right side of 112 axial lengths shorter, and with left side renovate control loop that 9b contacts on the left of 111 axial lengths longer, that is, on the left of control loop, the coboundary of 111 is higher than the coboundary on right side 112, like this, when control loop moves downward under the drive of control lever 10, the 9a that renovates on right side first with on the right side of control loop 112 to disengage, and can first roll up; Then the 9b that renovates in left side 111 to disengage again with on the left of control loop, after roll up, form overlap joint.
Below using method of the present invention is described.
As shown in Figure 1 and Figure 2, before sampling, make to renovate 9 and open, renovate 9 lower ends and be supported in control loop 11, make harvester be in state to be sampled.Be connected to by this device below drilling rod, insert in water-bed mud, when soil property is harder, control loop can play guide effect.Along with harvester constantly declines, top mud scum through control loop 11 inwall, the lower ending opening of sampler barrel 6, upper end open, is discharged by through hole 51 successively, until designated depth.Then, the air pressure of air compressor or the hydraulic pressure of high-pressure hydraulic pump are imported in cylinder sleeve 1 by drill pipe bore, promotes piston 2 and move downward, ear cover plate 4 is moved downward, close the upper end open of sampler barrel 6; Meanwhile, control loop 11 moves down thereupon, control loop 11 with renovate 9 and disengage, renovate 9 and close instantaneously under torsion spring effect, sampler barrel 6 lower ending opening is closed.Like this, mud scum sample is just sealed in sampler barrel 6, mentions drilling rod, and survey platform completes the taking-up operation of sampler barrel 6 in harvester.Step is as follows: 1. first make control loop 11 upward, and down, whole harvester and survey platform are substantially vertical in drill pipe sub 15; 2. unload two nuts of lower control arm 10 lower end, up take out control loop 11, screw off Overturnable-plate frame 8; 3. a gland bonnet is screwed at the lower ending opening place (upward current) of sampler barrel 6; 4. then turned around by harvester, make gland bonnet on sampler barrel 6 down, drill pipe sub 15 upward; 5. to outward winding piston rod 3, take out ear cover plate 4, intermediate cylinder 5 of outwarding winding; 6. a gland bonnet is also screwed at the upper end open place of sampler barrel 6, two, the left and right semi-circular tube of the pipe 7 that then separately narrows; 7. take out sampler barrel 6, write the marks such as numbering, embedded depth, be attached on sampler barrel 6, the gap place between sampler barrel 6 and gland bonnet around on band sealing with wax, be stored in sample case, unify to be transported to testing laboratory and test.
The present invention designs uniqueness, simple structure, practicality, for gathering the mud scum sample in Mud Layer under water under different depth virgin state, for carrying out particle composition analysis, sediment settlement, closely knit, mud flow become token test etc., provides foundation for determining that seaworthy water depth, basin are safeguarded.

Claims (10)

1. a Muddy Bottoms mud scum harvester, is characterized in that, comprises with lower component:
Driving cylinder, comprises cylinder sleeve, piston and piston rod, and described piston and inboard wall of cylinder liner are slidably matched, and the upper end of piston rod is fixedly connected with piston;
Outer sleeve, is fixedly connected on below described cylinder sleeve;
Sampler barrel, is removably mounted on outer sleeve inside, and the upper/lower terminal of sampler barrel is equipped with opening;
Ear cover plate, is fixedly connected with the lower end of described piston rod, and can close the upper end open of described sampler barrel;
Renovate, be arranged on outer sleeve lower end turningly, and the lower ending opening of described sampler barrel can be closed;
Control loop, is positioned at the below of sampler barrel, for blocking renovating in opened condition;
Control lever, upper end is connected with ear cover plate, and lower end is connected with control loop;
When the piston is moving down, ear cover plate is moved downward, close the upper end open of sampler barrel; Meanwhile, control loop moves down, and renovates and is closed by sampler barrel lower ending opening.
2. Muddy Bottoms mud scum harvester according to claim 1, is characterized in that, also comprises a drill pipe sub and is connected with the threaded upper ends of described cylinder sleeve.
3. Muddy Bottoms mud scum harvester according to claim 1, is characterized in that, the lower end of described cylinder sleeve is fixedly connected with a gag, and gag is provided with the center pit passed for piston rod.
4. Muddy Bottoms mud scum harvester according to claim 3, is characterized in that, described gag is also provided with vent port.
5. Muddy Bottoms mud scum harvester according to claim 1, is characterized in that, described outer sleeve by intermediate cylinder, narrow pipe and Overturnable-plate frame be formed by connecting, the upper end of described intermediate cylinder is threaded with the lower end of cylinder sleeve; The described pipe that narrows is put together by two semi-circular tubes, and the upper end of the pipe that narrows is threaded with the lower end of intermediate cylinder, and the lower end of the pipe that narrows is threaded with Overturnable-plate frame; Described renovating is arranged on Overturnable-plate frame; The upper/lower terminal of described sampler barrel outer wall is respectively provided with flange, described in narrow the two ends of pipe between described flange.
6. Muddy Bottoms mud scum harvester according to claim 5, is characterized in that, the sidewall of described intermediate cylinder has through hole, and the two ends of described ear cover plate are stretched out and are connected with described control lever from through hole.
7. Muddy Bottoms mud scum harvester according to claim 5, is characterized in that, described in renovate and be arranged on Overturnable-plate frame by bearing pin, on bearing pin, cover has torsion spring.
8. Muddy Bottoms mud scum harvester according to claim 1, is characterized in that, described in renovated two, be symmetrically arranged on outer sleeve lower end, renovate for two and be respectively provided with semicircle sealing gasket.
9. Muddy Bottoms mud scum harvester according to claim 8, is characterized in that, described two ends of renovating are overlapped mutually by inclined-plane.
10. Muddy Bottoms mud scum harvester according to claim 9, is characterized in that, the both sides of described control loop are renovated with described two respectively and contacted, and wherein the coboundary of side higher than the coboundary of opposite side.
CN201310304584.7A 2013-07-18 2013-07-18 Muddy Bottoms mud scum harvester Active CN103364225B (en)

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Application Number Priority Date Filing Date Title
CN201310304584.7A CN103364225B (en) 2013-07-18 2013-07-18 Muddy Bottoms mud scum harvester
PCT/CN2013/087104 WO2015007035A1 (en) 2013-07-18 2013-11-14 Silt floating mud collection device
US14/904,689 US9784649B2 (en) 2013-07-18 2013-11-14 Silty floating mud collection device

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CN103364225B true CN103364225B (en) 2015-10-28

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