CN2645073Y

CN2645073Y - Layered sample collector for shallow water body deposit

Info

Publication number: CN2645073Y
Application number: CN 03210082
Authority: CN
Inventors: 陈英旭; 沈梦蔚
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2003-08-27
Filing date: 2003-08-27
Publication date: 2004-09-29
Anticipated expiration: 2013-08-27

Abstract

The utility model provides a stratification sampler for collecting sediments in the shallow water bodies, a sampler which can conveniently collect the stratified columnar samples in the integrated and original state in the shallow water bodies. The utility model provides a sampling tube, which is characterized in that the sampling tube comprises a left semi-round tube and a right semi-round tube with the two in the symmetric position. A head cover with a handle and a bottom with a semi-cone are arranged on a semi-round tube, and a set of compartments separated by a plurality of plates are fixed in the inner wall. The other semi-round tube is hollow, in which a rotatable central shaft is fixed through the roof lath and the bottom lath; a set of blades through the rotation of which the compartments can be closed are fixedly connected with the central shaft. The left and right semi-round tubes are also accompanied by a hinge which can open or close the two tubes and a bolt allowing the two to be locked in the folded position. The utility model can be accurately inserted into the set point without damaging the original stratification structure and complete the sampling and stratifying processes at the same time, thus can obtain the integrated and original stratification samples. The utility model also has the advantages of reasonable structure, easiness in manufacturing and convenience in carrying.

Description

The sedimental layering Sampler of shallow water body

Technical field

The utility model relates to a kind of sedimental sampler of shallow water body that is used to gather, especially a kind of sampler that can collect the column layering sample of complete, ortho states in the shallow water body of the depth of water＜5m easily.

Background technology

" the safe gravity piston sampler " that Chinese patent 87209127 provides, it is to drop in the water body by own wt, and bind automatically or back cover, its shortcoming is: 1) because of wayward it drop point site and fall into the degree of depth, and can disturbance water body deposit, destroy sequence structure, so be difficult to obtain the columnar deposition sample of complete, the ortho states on desired location and the height; 2) when getting sediment layering sample, need promote from bottom to top in the stopple coupon piston, cut from the stopple coupon top, this process then can be destroyed the sequence structure of sample once more if meet sedimental water percentage higher, in the pasty state.In sum, the sample that above-mentioned existing sampler is gathered is because of integrality, former state property difference can not satisfy mensuration and the research of people to the pollution history of water body deposit, the distribution of section pollutant etc.; In addition, its structure more complicated, carry also trouble comparatively of not too convenient, operation, and the sampling cost is improved because of its expense is somewhat expensive.

" the sedimental cylindrical sample sampling thief of shallow water body " that Chinese patent 00234831 provides, most of shortcoming that though it has overcome above-mentioned " safe gravity piston sampler ", it is still unresolved can guarantee the integrality of sediment layering sample on sequence structure, the problem of former state property.

Summary of the invention

The utility model is to overcome the shortcoming that also exists in the above-mentioned prior art, provide a kind of and can accurately insert sampling spot and guarantee the integrality of layering sample and the sedimental layering Sampler of shallow water body of former state property, and also make it have characteristics such as simple in structure, easy to carry, simple to operate, that cost of manufacture is low.

The sedimental layering Sampler of the utility model shallow water body, it contains stopple coupon, be characterized in: stopple coupon is to be combined by symmetrical left semicircle pipe and right semi-circle pipe, wherein half pipe is provided with the top cover of band handle and the end of band semicircle cone, its inside has one group of branch compartment that is separated by the compartment sheet that is cemented on the inwall, second half pipe is a hollow, and a rotating central shaft is installed by its top board bar and base plate bar, the affixed one group of page or leaf sheet that can close the branch compartment by its rotation on this central shaft, a left side, also have the hinge that can make both foldings on the outer wall of right semi-circle pipe and can make both be locked in latch on the closed position.

Can have the bell tap that can be connected extension rod respectively on above-mentioned central shaft and the handle.So that the utility model sampler can require showing the field boundary lengthening or unloading weak point according to the depth of water.

Above-mentioned latch can include on affixed on half pipe collar, affixed lower collar and be connected connecting screw in the screw of the upper and lower collar on second half pipe.

The beneficial effects of the utility model are: 1) the utility model can vertically insert in the sediment of shallow water body exactly by to the adjusting of central shaft and decreased food, adopt the cylindrical sample on desired location and the set depth; 2) sampler is that hollow, water body and sediment can unhinderedly pass through because of one of them semicircle pipe, and second half pipe has the semicircle cone because of the bottom, so can not impact water body when inserting, also can not destroy the original sequence structure of sediment, so the cylindrical sample of the utility model sampler collection is the cylindrical sample of the water body deposit of complete, ortho states; 3) the utility model makes sampling finish simultaneously with layering, can effectively avoid existing sampler cutting apart the disadvantage of destroying the sample sequence structure when cutting sample to some extent, so the utility model sampler can also be guaranteed the integrality and the former state property of layering sample; 4) the utility model sampler rational in infrastructure, easily manufactured and do not allow perishable, therefore cheap, in order to reducing the sampling cost, and, can be used for laboratory or open-air accurate sampling especially because of its adjustable length is easy to carry, handled easily.

To by embodiment also in conjunction with the accompanying drawings the utility model be further described below below.

The accompanying drawing content

To be the sedimental layering Sampler of the utility model shallow water body open and the cutting plane of page or leaf plane, sheet place and the left and right semicircle pipe schematic perspective view when being inclination at stopple coupon Fig. 1;

Fig. 2-Fig. 3 is respectively that the two halves pipe of stopple coupon is being launched into 180 ° and page plane, sheet place front view and the vertical view when overlapping with the cutting plane of left and right semicircle pipe;

Fig. 4 is the front view of two halves pipe when closing up into pipe of stopple coupon;

Fig. 5 is the vertical view of Fig. 4 state;

Fig. 6 is the A-A cut-open view among Fig. 4.

Number in the figure explanation: 1-central shaft; The 2-bell tap; 3-top board bar; 4-left semicircle pipe; 5-page or leaf sheet; The 6-lower collar; 7-base plate bar; The 8-handle; The 9-top cover; 10-right semi-circle pipe; 11-compartment sheet; The 12-hinge; The last collar of 13-; The 14-connecting screw; 15-divides compartment; 16-semicircle cone.

Embodiment

The sedimental layering Sampler of present embodiment shallow water body, its structure can see from Fig. 1-Fig. 6, its stopple coupon be one along the stainless pipe of central axis to cutting open, that is it includes identical left semicircle pipe of diameter 4 and right circle semicircle pipe 10.Wherein right semi-circle pipe 10 is provided with handle 8, top cover 9 and is with the end, the inside of semicircle cone 16 to have six branch compartments 15 that are separated by five compartment sheets 11 that are cemented on the inner round wall; The left semicircle pipe does not have top and bottom, and only is welded with top board bar 3 and base plate bar 7, and the left semicircle tube cavity is hollow so that it is in inserting water body the time, water or sediment can be in it straight-through and mistake; Top board bar 3 and base plate bar 7 have center pit on the position at place, stopple coupon axis, a rotating central shaft 1 is installed in the hole, and have fixed one group (six) page or leaf sheet 5 on the central shaft; Each page sheet is welded on the central shaft 1 and copline, this face when left and right semicircle pipe closes up and their cutting plane coincide, following condition should be satisfied in interval between the length and width of each page sheet and each page sheet: rotation closed when sampler and by central shaft can realize closing each minute compartment 15, makes six branch compartments 15 all locate air-tight state.Have on the outer wall of left and right semicircle pipe and can make both, and have and both are locked be the latch of one when closing up with rotating opening or the hinge 12 that closes up.

Above-mentioned latch includes on affixed on the right semi-circle pipe collar 13, on the left semicircle pipe affixed lower collar 6 and one can screw in the upper and lower collar with screw in connecting screw 14.Above-mentioned handle 8 with its bottom be welded on the outer wall of right semi-circle pipe 10, with make things convenient for stopple coupon on water body deposit insertion or extract.

Because of the stopple coupon in the present embodiment is a pipe, so the structure of its left and right two halves pipe can be exchanged.The quantity of its page or leaf sheet 5 and branch compartment 15 and big I are by the requirement decision of stratified sampling.

When using the sedimental layering Sampler of the utility model shallow water body, the left and right semicircle pipe of stopple coupon is closed up, closed one, and screw in connecting screw 14 in the screw of the collar 13 and lower collar 6; Next is a length of choosing central shaft 1 and handle 8 according to the degree of depth of water depth, sampling; Then the page with page or leaf sheet 5 forwards on the position at stopple coupon cutting plane place; The alignment settings stopple coupon of naming a person for a particular job vertically inserts in the water body lentamente then, should evenly exert oneself when stopple coupon touches the sediment interface downwards, so that stopple coupon enters sediment slowly; When being inserted into set depth, promptly change slow rotary middle spindle 1 into, and when Rotate 180 °, stop operating, sediment sample is pushed and intercepts in each minute of right semi-circle pipe 10 compartment 15 by 5 rotations of page or leaf sheet this moment; Put forward sampler on slow at last.After sampler is left the water, keep flat at once, and make left semicircle pipe 4 on top, right semi-circle pipe 10 is in the bottom; At this moment as screw off connecting screw 14, Unscrew left semicircle pipe 4, can directly obtain stratified sedimentation matter sample complete, ortho states the compartment 15 from each minute of right semi-circle pipe 10.

Can have the bell tap 2 that can be connected extension rod respectively on above-mentioned central shaft 1 and the handle 8.Extension rod (being represented among the figure) can have one group simultaneously, and the both ends of each root all have one section and can make it be connected thread segment on the bell tap 2; The length of extension rod is as the criterion to be convenient for carrying, and is long as 1 meter; Can take as required at the scene in use, with the lengthening sampler, and sampling finishes and extension rod can be unloaded, and to reduce the total length of central shaft and handle, is easy to carry.

Each assembly of present embodiment sampler, all can adopt the stainless steel manufacturing as central shaft 1, handle 8, semicircle cone 16, left and right sides semicircle pipe, page or leaf sheet 5, compartment sheet 11 and extension shaft etc., so that sampler is anticorrosive, thereby does not pollute the sample of being got and prolong the serviceable life of sampler.

Claims

1, the sedimental layering Sampler of a kind of shallow water body, it contains stopple coupon, it is characterized in that: stopple coupon is to be combined by symmetrical left semicircle pipe (4) and right semi-circle pipe (10), wherein half pipe is provided with the top cover (9) of band handle (8) and the end of band semicircle cone (16), its inside has one group of branch compartment (15) that is separated by the compartment sheet (11) that is cemented on the inwall, second half pipe is a hollow, and a rotating central shaft (1) is installed by top board bar (3) on it and base plate bar (7), the affixed one group of page or leaf sheet (5) that can close branch compartment (15) by its rotation on this central shaft, a left side, also have the hinge (12) that can make both foldings on the outer wall of right semi-circle pipe and can make both be locked in latch on the closed position.

2, the sedimental layering Sampler of shallow water body according to claim 1 is characterized in that: on said central shaft (1) and the handle (8), have the bell tap (2) that can connect extension rod respectively.

3, the sedimental layering Sampler of shallow water body according to claim 1 and 2 is characterized in that: said latch include on half pipe affixed on the collar (13), on second half pipe affixed lower collar (6) and be connected connecting screw (14) in the screw of the upper and lower collar.