CN103543037A - Multifunctional grab bucket type water-sludge collector - Google Patents

Multifunctional grab bucket type water-sludge collector Download PDF

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Publication number
CN103543037A
CN103543037A CN201210248412.8A CN201210248412A CN103543037A CN 103543037 A CN103543037 A CN 103543037A CN 201210248412 A CN201210248412 A CN 201210248412A CN 103543037 A CN103543037 A CN 103543037A
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grab bucket
bucket portion
grab
bar
pull bar
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CN201210248412.8A
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CN103543037B (en
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闫家国
肖文
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Abstract

The invention discloses a multifunctional grab bucket type water-sludge collector which comprises a grab bucket, a power-assisting rod used for spreading the grab bucket, and a pull rod, wherein the grab bucket comprises a first grab bucket part and a second grab bucket part, upper ends of the first grab bucket part and the second grab bucket part are movably connected, the first grab bucket part and the second grab bucket part can be opened or closed around a connecting part, through holes are formed in the upper ends of the first grab bucket part and/or the second grab bucket part, the pull rod penetrates through the through holes, one end of the power-assisting rod is movably connected with the pull rod, and the other end of the power-assisting rod is movably connected with the inner wall of the grab bucket. The multifunctional grab bucket type water-sludge collector has the beneficial effects of multiple functions, simple structure, convenience in use and low manufacture cost, and is easy to popularize in the market.

Description

Multi-functional grab type is adopted water bottom sampler
Technical field
The present invention relates to a kind of underwater sampling device, especially a kind of multi-functional grab type for operation is under water adopted water bottom sampler.
Background technology
At present, in the shallow cement-like of collection of applying in scientific research or deep water water body, sedimental bottom sampler mainly contains grab bucket-type dredger and column bottom sampler, and hydrophore mostly uses and puts upside down formula hydrophore, and these two kinds of equipment can only be brought into play its single function.General grab bucket-type dredger collection mud sample or sediment are by often earth or each level of sediment being mixed, do not reach the object of layering, and grab bucket-type dredger to be difficult to be under many circumstances that sandy sediment gathers to substrate, reason is that it can not well be advanced in Sediment environment, and operation easier is large.The most important thing is, the soil stratified sampling device using is at present applied to the shallow water areas such as shoal mostly, and service condition restriction is larger; And can not be applied to gather sediment overlying water.
Ocean, lake and river are being carried out to ecologic environment when investigation, sediment that often need to be to its water bottom, or need to carry out stratified sampling to sediment according to special investigation, and the water quality of sediment top one deck is that overlying water is sampled.Under As-Is, carry out these processes we need to be by means of general bottom sampler simultaneously, and soil stratified sampling device, hydrophore complete in three steps one by one.But, the most important thing is also not have at present simple in structure being specifically applied to gather the hydrophore design of overlying water, the difficulty that therefore operates is higher, and technological means is immature.In addition, because process is more, oceanographic survey environment is severe in addition, so these a series of processes have not only increased the labour intensity of labour in investigation but also time-consuming, operate also more loaded down with trivial details, moreover the operation of each process also may not necessarily get a desired effect.The height that in view of this bottom sampler is adopted mud success ratio has determined progress and the quality level of correlation study.Therefore have a kind of routine that simultaneously completes and adopt that mud, layering are adopted mud, the bottom sampler that gathers sediment overlying water is very necessary.
Summary of the invention
The present invention is directed to the deficiency that the above prior art exists, providing a kind of can also collect near sedimental one deck overlying water in the realization sedimental while of collection, and can keep stratification state to the sediment collecting, can freely remove and install, easy to use simple in structure, low cost of manufacture, easy to operate multi-functional grab type is adopted water bottom sampler.
In order to realize above object, the present invention has taked following technical scheme: multi-functional grab type is adopted water bottom sampler, comprise grab bucket, for strutting and assister bar and the pull bar of closed described grab bucket, described grab bucket is comprised of the first grab bucket portion and the second grab bucket portion, the upper end of described the first grab bucket portion and the second grab bucket portion is for being flexibly connected, and described the first grab bucket portion and the second grab bucket portion can open or close around connecting portion and close; Described the first grab bucket portion and/or the second grab bucket portion upper end are provided with through hole, and described pull bar is through described through hole; One end of described assister bar is flexibly connected with described pull bar, and the other end is flexibly connected with the inwall of described the first grab bucket portion or the second grab bucket portion.
Described assister bar is provided with two: the first assister bar and the second assister bar, described the first assister bar and the second assister bar be being connected between described the first grab bucket portion and the second grab bucket portion and pull bar of activity respectively.
Described assister bar can be comprised of the straight-bar being mutually movably hinged and knee, and described knee has 100-160 ° of angle, for when mentioning with pull bar, for described the first grab bucket portion of closure and the second grab bucket portion.
The inwall of described through hole is provided with caulking groove, and described pull bar is provided with the fin matching with caulking groove, and in the time of in described pull bar is through described through hole, described fin is placed in described caulking groove.
In described the first grab bucket portion and the second grab bucket portion, be respectively arranged with buckle, be respectively arranged with the clasp corresponding with described buckle on described pull bar, when clasp is connected with buckle, described the first grab bucket portion and the second grab bucket portion are open configuration; When clasp and buckle disengaging, under described the first grab bucket portion and the second grab bucket portion Action of Gravity Field, automatically close up closure state.
Described grab bucket is outside equipped with dredger, and described dredger is dismountable being fixed on described grab bucket outer wall, for the well-bedded mud layer of collection along with grab bucket.
Described dredger can be to adopt mud pipe, described in adopt mud pipe lower end for most advanced and sophisticated, and unidirectional opener is set in the mud inlet at described tip, for gathering water-bed mud layer.
Described the first grab bucket portion and the second grab bucket portion are provided with water storage space, described water storage space is by being fixed on described the first grab bucket portion every mud plate or the second grab bucket portion inwall forms, describedly between mud plate and described the first grab bucket portion and the second grab bucket portion inwall, be reserved with water inlet, and described the first grab bucket portion and the second grab bucket portion are provided with spout hole in upper lateral respectively.
There is auxiliary ropes in described pull bar top system.
Compared with prior art, the invention has the beneficial effects as follows: adopting mud pipe lower end has back taper design, while making to adopt mud, can more fast and insert like a cork in sediment, and especially, for sandy bed mud, this is designed with very large advantage.The anti-down flow of adopting in mud pipe makes the earth of adopting mud can from adopt mud pipe, not come off out in the upper process of carrying.Adopt fixed head on mud pipe and can freely dismantle and make to adopt mud pipe and can freely mount and dismount, use, reclaim and carry very convenient; The angle wall design of assister bar makes the folding of left and right grab bucket become easy and convenient and simple in structure; The flowing water type design concept of catch basin uniqueness is ingenious, low cost of manufacture, and sample effect is good; The cross recess design of pull bar and grab bucket combination makes whole apparatus structure tight, keeps grab bucket opening, stablizing in closure or sampling process; The present invention can gather sediment and overlying water simultaneously, can also to sediment, carry out layering processing according to sampling person's demand simultaneously; Diverse in function of the present invention, simple in structure, easy to use, low cost of manufacture, is easy to marketing.
Accompanying drawing explanation
Fig. 1 is closure state structural representation of the present invention.
Fig. 2 is plan structure schematic diagram of the present invention.
Fig. 3 is the structural representation that the present invention enters water front opening state.
Fig. 4 is structural representation Fig. 1 of dredger.
Fig. 5 is structural representation Fig. 2 of dredger.
Fig. 6 is closure state structural representation Fig. 2 of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail.
Multi-functional grab type is adopted water bottom sampler, as Figure 1-3, comprises grab bucket, for strutting and assister bar 12 and the pull bar 1 of closed described grab bucket; Described grab bucket is comprised of the first grab bucket portion 2 and the second grab bucket portion 3, the upper end of described the first grab bucket portion 2 and the second grab bucket portion 3 is to make the flexible connection that described the first grab bucket portion 2 and the second grab bucket portion 3 can folding, and described the first grab bucket portion 2 and the second grab bucket portion 3 can open or close and close around connecting portion.Between described the first grab bucket portion 2 and the second grab bucket portion 3, can be to be flexibly connected by hinge 14 at top, structure be very simple.Described grab bucket is " V " font when closed, can reduce the resistance of water in water in the process of upwards carrying.
In described the first grab bucket portion 2 and/or the second grab bucket portion 3 upper ends, be provided with through hole 15, described pull bar 1 is through described through hole 15.The inwall of described through hole 15 is provided with caulking groove, and described pull bar 1 is provided with the fin matching with caulking groove, and when described pull bar 1 is through described through hole 15 when interior, described fin is placed in described caulking groove, can avoid like this grab bucket rotation, keeps stability.Described caulking groove can be cross recess, and described fin can be corresponding cross fin.Described assister bar 12 is provided with two: the first assister bar and the second assister bar, described the first assister bar and the second assister bar be being connected between described the first grab bucket portion 2 and the second grab bucket portion 3 and pull bar 1 of activity respectively.Described assister bar 12 one end are flexibly connected with described pull bar 1, and the other end is flexibly connected with the inwall of described grab bucket.Described assister bar can be comprised of the straight-bar being mutually movably hinged and knee, and described knee has 100-160 ° of angle, for when mentioning with pull bar, for described the first grab bucket portion of closure and the second grab bucket portion.The bottom of described pull bar when described the first grab bucket portion 2 and the second grab bucket portion 3 open basic with bucket in the state that maintains an equal level, can ensure so the enough pull bar length making progress, and can not make the contact of bottom link power assistant arm encounter the circle of top with the hole of rib groove, thereby guarantee the maximum closing force that struggles against.Wherein, there is auxiliary ropes 11 in described pull bar 1 top system.
Top in described the first grab bucket portion 2 and the second grab bucket portion 3 is respectively arranged with buckle 9, on described pull bar 1, be respectively arranged with the clasp 10 corresponding with described buckle 9, when clasp 10 is connected with buckle 9, described the first grab bucket portion 2 and the second grab bucket portion 3 are open configuration; When clasp 10 departs from buckle 9, closure state automatically closes up under Action of Gravity Field in described the first grab bucket portion 2 and the second grab bucket portion 3.When described pull bar 1 downward let-down, described clasp 10 will depart from buckle 9.
In described the first grab bucket portion 2 and the second grab bucket portion 3, be provided with water storage space 6, described water storage space 6 is fixed on described the first grab bucket portion 2 and the second grab bucket portion 3 upper end inwalls form by what have a retaining groove every mud plate, describedly between mud plate and described the first grab bucket portion 2 and the second grab bucket portion 3 inwalls, be reserved with water inlet, and described the first grab bucket portion 2 and the second grab bucket portion 3 are provided with spout hole 8 at upper end sidewall respectively; When in catch basin, water is full, unnecessary water overflows from water delivering orifice.Water storage space 6 adopts unique streamline design, and there is narrow and small water inlet one end of catch basin with grab bucket wall, and overlying water enters catch basin from here.
Described assister bar 12 can be comprised of the straight-bar being mutually movably hinged and knee, and described knee has 100-160 ° of angle, for when mentioning with pull bar, described the first grab bucket portion 2 and the second grab bucket portion 3 can be closed up.
As shown in Figure 4, described grab bucket is outside equipped with dredger 5, and described dredger 5 is dismountable being fixed on described grab bucket outer wall, for the well-bedded mud layer of collection along with grab bucket.Described dredger can be to adopt mud pipe, and its shape can be square or cylindrical.Described lower end of adopting mud pipe is tip 51, and unidirectional opener is set in described most advanced and sophisticated 51 mud inlet, for gathering water-bed mud layer.The described mud pipe bottom of adopting is for most advanced and sophisticated 51, back taper with adopt mud pipe cylindrical surface joint and have by two hinged anti-down flow resistance sheets 53 of spring 52, anti-down flow resistance sheet 53 can only inwardly flick.And at described mud pipe, be provided with scale mark, for range estimation, adopt mud amount.And described in adopt mud pipe upper end be provided with reverse-filling resistance sheet 54, the water in pipe can back down described reverse-filling resistance sheet 54 and discharge, but the water of outside is adopted in mud pipe described in can not pouring in down a chimney.As shown in Figure 5 and Figure 6, the described mud pipe of adopting is movably connected on stationary shaft 55 and is connected in series and forms by some independently bodys unit 58, wherein between each adjacent body unit 58, be provided with locking device 57, described some bodys unit 58 forms a complete body by stationary shaft 55 and locking device 57.Wherein said body unit 58 can be around stationary shaft 55 rotations, so that the mud layer that the extraction of layering collects is very easy to use.Described body unit 58 merits and demerits sleeve pipes 56 are connected with described stationary shaft 55, and described stationary shaft 55 inserts in described sleeve pipe 56.Described locking device 57 can be by being separately positioned on the clamping block with perforation cooperatively interacting on described body unit 58 and forming for being plugged in inserting column in described perforation.
Described dredger 5 is fixed on the lateral wall of grab bucket.And described dredger 5 can be provided with some, be individually fixed in the both sides of described the first grab bucket portion 2 and the second grab bucket portion 3.Described dredger 5 can be to adopt two or more stationary installations 7 fixing.Stationary installation 7 can be controlled by switch dismounting and the installation of sampling pipe.Or described the first grab bucket portion 2 and the second grab bucket portion 3 are provided with the groove of fixing device for installing 7, described stationary installation 7 is fixed in described groove.
During use, buckle is buckled on clasp, left and right grab bucket is opened, and assister bar opens as pinion, by placing device, the multi-functional mud hydrophore of adopting is put in water and touched benthal deposit, by device, slowly pressing down, now grab bucket is by the jack-up that makes progress, and buckle and clasp can slowly depart from.To adopt mud hydrophore and toward pressing down sediment and overlying water, back down anti-down flow enter and adopt mud pipe by sampling portion always, overlying water enters into catch basin by gap again, and water flows out by water delivering orifice after completely.Being collected sample post-tensioning running rope rope coordinates lifting gear that the multi-functional mud hydrophore of adopting is pulled upwardly, now anti-down flow is closed automatically, can prevent that earth from sliding out from adopt mud pipe, left and right grab bucket is drawn close downwards due to Action of Gravity Field and under the effect of assister bar and is slowly closed.Collect to such an extent that sediment and overlying water are left the water in the lump.After withdrawing device, turn on standing valve and will adopt mud pipe and take out from grab bucket, will than adopting test tube that mud bore is little, be inserted into adopt in mud pipe sediment cover is taken out with graduated internal diameter, and by scale to sediment layering.In the vessel that overlying water pours into corresponding collection overlying water by water delivering orifice.
Above embodiment is only applied to set forth the present invention, and protection scope of the present invention is not only confined to above embodiment.The those of ordinary skill of correlative technology field is likely made change or change to design not departing from protection scope of the present invention according to above disclosed content, and within these changes or change must be considered as belonging to the protection domain of the claims in the present invention.

Claims (9)

1. multi-functional grab type is adopted water bottom sampler, it is characterized in that, comprise grab bucket, for strutting and assister bar and the pull bar of closed described grab bucket, described grab bucket is comprised of the first grab bucket portion and the second grab bucket portion, the upper end of described the first grab bucket portion and the second grab bucket portion is for being flexibly connected, and described the first grab bucket portion and the second grab bucket portion can open or close around connecting portion and close; Described the first grab bucket portion and/or the second grab bucket portion upper end are provided with through hole, and described pull bar is through described through hole; One end of described assister bar is flexibly connected with described pull bar, and the other end is flexibly connected with the inwall of described the first grab bucket portion or the second grab bucket portion.
2. multi-functional grab type according to claim 1 is adopted water bottom sampler, it is characterized in that, described assister bar is provided with two: the first assister bar and the second assister bar, described the first assister bar and the second assister bar be being connected between described the first grab bucket portion and the second grab bucket portion and pull bar of activity respectively.
3. multi-functional grab type according to claim 2 is adopted water bottom sampler, it is characterized in that, described assister bar can be comprised of the straight-bar being mutually movably hinged and knee, and described knee has 100-160 ° of angle.
4. multi-functional grab type according to claim 1 is adopted water bottom sampler, it is characterized in that, the inwall of described through hole is provided with caulking groove, and described pull bar is provided with the fin matching with caulking groove, in the time of in described pull bar is through described through hole, described fin is placed in described caulking groove.
5. multi-functional grab type according to claim 1 is adopted water bottom sampler, it is characterized in that, in described the first grab bucket portion and the second grab bucket portion, be respectively arranged with buckle, on described pull bar, be respectively arranged with the clasp corresponding with described buckle, when clasp is connected with buckle, described the first grab bucket portion and the second grab bucket portion are open configuration; When clasp and buckle disengaging, under described the first grab bucket portion and the second grab bucket portion Action of Gravity Field, automatically close up closure state.
6. multi-functional grab type according to claim 1 is adopted water bottom sampler, it is characterized in that, described grab bucket is outside equipped with dredger, and described dredger is dismountable being fixed on described grab bucket outer wall, for gather well-bedded mud layer along with grabbing bucket.
7. multi-functional grab type according to claim 6 is adopted water bottom sampler, it is characterized in that, described dredger is to adopt mud pipe, described in adopt mud pipe lower end for most advanced and sophisticated, and unidirectional opener is set in the mud inlet at described tip.
8. multi-functional grab type according to claim 1 is adopted water bottom sampler, it is characterized in that, described the first grab bucket portion and the second grab bucket portion are provided with water storage space, described water storage space is by being fixed on described the first grab bucket portion every mud plate or the second grab bucket portion inwall forms, describedly between mud plate and described the first grab bucket portion and the second grab bucket portion inwall, be reserved with water inlet, and described the first grab bucket portion and the second grab bucket portion are provided with spout hole in upper lateral respectively.
9. multi-functional grab type according to claim 1 is adopted water bottom sampler, it is characterized in that, there is auxiliary ropes in described pull bar top system.
CN201210248412.8A 2012-07-17 2012-07-17 Multifunctional grab bucket type water-sludge collector Expired - Fee Related CN103543037B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104322466A (en) * 2014-10-23 2015-02-04 中国船舶重工集团公司第七一〇研究所 Grab type deep-sea organism sampling device
CN104931290A (en) * 2015-06-11 2015-09-23 浙江大学 Detachable dual-purpose sampler for shallow sediment and soil and sampling method for detachable dual-purpose sampler
CN105888671A (en) * 2016-04-29 2016-08-24 浙江海洋大学 Marine mineral gripping device and collecting method thereof
CN105909250A (en) * 2016-04-29 2016-08-31 浙江海洋大学 Seabed mineral product collection device and method
CN108956205A (en) * 2018-05-30 2018-12-07 中国海洋大学 Seabed gravity corer bottom negative-pressure balancing device
CN116793764A (en) * 2023-03-02 2023-09-22 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) eDNA sample collection system for aquatic organism environmental damage investigation

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CN201653751U (en) * 2010-01-29 2010-11-24 中国水产科学研究院南海水产研究所 Grab bucket-type dredger
CN102435460A (en) * 2011-12-21 2012-05-02 河海大学 Deepwater substrate sludge sampling device
CN202693375U (en) * 2012-07-17 2013-01-23 闫家国 Multifunctional grab bucket type water-mud collecting device

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Publication number Priority date Publication date Assignee Title
US3949497A (en) * 1974-08-23 1976-04-13 Trippensee Corporation Releasable latching apparatus for a benthic grab
JPS5327482A (en) * 1976-08-27 1978-03-14 Mitsubishi Heavy Ind Ltd Free fall grab of grivitation type
CN101532923A (en) * 2009-03-17 2009-09-16 环境保护部南京环境科学研究所 River sediment sampler
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104322466A (en) * 2014-10-23 2015-02-04 中国船舶重工集团公司第七一〇研究所 Grab type deep-sea organism sampling device
CN104931290A (en) * 2015-06-11 2015-09-23 浙江大学 Detachable dual-purpose sampler for shallow sediment and soil and sampling method for detachable dual-purpose sampler
CN105888671A (en) * 2016-04-29 2016-08-24 浙江海洋大学 Marine mineral gripping device and collecting method thereof
CN105909250A (en) * 2016-04-29 2016-08-31 浙江海洋大学 Seabed mineral product collection device and method
CN105909250B (en) * 2016-04-29 2017-12-22 浙江海洋大学 Seabed mineral harvester and its acquisition method
CN108956205A (en) * 2018-05-30 2018-12-07 中国海洋大学 Seabed gravity corer bottom negative-pressure balancing device
CN116793764A (en) * 2023-03-02 2023-09-22 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) eDNA sample collection system for aquatic organism environmental damage investigation
CN116793764B (en) * 2023-03-02 2024-05-17 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) EDNA sample collection system for aquatic organism environmental damage investigation

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