CN2350748Y

CN2350748Y - Soil stratified sampling device

Info

Publication number: CN2350748Y
Application number: CN 98242498
Authority: CN
Inventors: 邢路宁
Original assignee: Nanjing Institute of Geography and Limnology of CAS
Current assignee: Nanjing Institute of Geography and Limnology of CAS
Priority date: 1998-10-27
Filing date: 1998-10-27
Publication date: 1999-11-24
Anticipated expiration: 2008-10-27

Abstract

The utility model provides a piston pipe type sludge sampler which is composed of a sludge sampling pipe, an inner piston, a core bar, a connecting rod, a handle, etc. The sludge sampling pipe is sunk into sludge, and simultaneously, the piston is lifted to suck sludge which needs to be sampled into the sludge sampling. The sludge sample is taken out from the sludge sampling pipe, and then the sampling operation is completed for one time. The utility model can sample loose sediments on lands and can also sample underwater bottom materials. Standard approved products can be made for users to use.

Description

A kind of layering bottom sampler

The utility model relates to the open-air bottom sampler of sampling under water, particularly a kind of layering bottom sampler that is applicable to 10 meters with the interior depth of water.

Taking of sediment sample is an important step of sediment analysis work, and the manual bottom sampler of this type of of present domestic use mostly is nonstandard own product of all kinds greatly, and dependability is poor, and efficient is lower.The purpose of this utility model provides a kind of piston tubular type bottom sampler, rely on and to adopt the mud pipe and sink in earth, carries on the piston simultaneously, the earth of need collection sucked adopt in the mud pipe, takes out and adopts the soil sample in the mud pipe, a sampling work is promptly accused and finished.The utility model both can be gathered the land unconsolidated sediment, also can gather substrate under water, can be made into the standard approved product, used for the user.

Structure of the present utility model constitutes by adopting mud pipe, inner carrier, plug and extension bar, handgrip etc., it is characterized in that adopting the hard thin-wall straight tube that mud Guan Weiyi section is vertically placed, the pipe upper end is provided with loam cake, the loam cake center porose with adopt that the mud tube cavity is communicated with, plug is inserted into inner chamber by loam cake, one inner carrier is set in the inner chamber, connect on the piston wire rope upwards by on cover setting aperture stretch out inner chamber and supply the operator outward.Plug upper end connects with handgrip by extension bar, presses down handgrip and mandrel tip promotion inner carrier is slid into adopt mud pipe end in adopting the mud tube cavity.This moment, wire rope was spacing by snap close at loam cake aperture upper outlet place, was defined as lower dead center; On loose core rod to adopting mud tube cavity top.Outlet is spacing down greater than the loam cake center for the mandrel tip size, be defined as top dead centre, when the top dead centre state, also be provided with the locating device that prevents that plug from falling between plug and the loam cake, adopt also be provided with on the tube wall of mud tube cavity top give vent to anger (water) hole loam cake with adopt that mud pipe upper end is movable to be connected, not saturating post hole is offered at the loam cake center from top to bottom, be bumped into the sleeve pipe of a length in the post hole greater than the post hole depth, the cannula tip activity connects a clamping block, the following loam cake center in clamping block center and sleeve pipe lower end all offers the square column hole of consistent size, the epimere square hole, post hole, stage casing, the hypomere square hole, three sector holes connect and adopt the mud tube cavity and be communicated with, the post bore dia of stage casing cover tube hub is greater than the diagonal line in square column hole, two, on two pairs of walls in the square column hole of clamping block and loam cake, be provided with and the long consistent keyway in hole, on the clamping block top end face, locate to be provided with spacing preiection for 90 ° with the square hole keyway, plug is a square bar, last, the medium position place of plug is provided with the locking key of outstanding plug both sides between the lower dead center, square column hole and keyway in the size of plug and key and clamping block and the loam cake are slidingly matched, plug inserts pin successively from top to bottom and decides the piece square hole, the string of casing Kongzui is adopted the mud tube cavity after the loam cake square hole enters, and is provided with two sections cylindrical knots on the plug below the locking key.Two cylindrical knots sizes and between distance should with sleeve pipe two have clamping block and loam cake center the square opening size and between apart from corresponding.Plug top and extension bar are movable to be connected, and many extension bars activity successively connect with handgrip after being connected into Len req again.Adopting mud pipe lower end is oblique bladed, and the piston lower end connects the tapered head of a hard, uniform three along wall in (water) hole of giving vent to anger of adopting the setting of mud tube cavity upper wall.The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1-3 is a structural drawing of the present utility model; Fig. 4-6 is A-A ', the B-B ' of Fig. 1-3, C-C ' profile; Fig. 7 is a kind of connecting mode of extension bar; Fig. 8 is that amplify the part of Fig. 5; Fig. 9 is the connecting mode of handgrip and extension bar;

Referring to Fig. 1-6, to adopt mud pipe 8 usefulness hard aluminium alloy car systems and form, the lower end is oblique bladed, is easy to cut bed mud, the upper end is connected with loam cake 11 usefulness screws.Three ventilations (water) hole 2 on the top of adopting the mud pipe along the even branch of cylindrical, when piston motion, can discharge or suck air (water).Tapered aluminium alloy structure is adopted in the bottom of inner carrier 7, has improved the penetration capacity of bottom sampler in bed mud; Top is double-layer rubber, connects by double end sieve bar, and piston is adjusted both each parts of built-up piston of nut 6, can guarantee the sealing property of piston by pushing the elasticity that rubber bodies is come regulating piston again.Piston with adopt mud inside pipe wall wringing fit, slide freely, the top of piston body is connected with wire rope 3, wire rope 3 passes the circular hole of loam cake 11 1 sides in operator's hand, can make upstroke, press down plug and can make descent of piston by hoisting cable.A snap close 1 is arranged on wire rope, and its limited piston moves to lower dead center.The basic configuration of plug 10 is a square rod, can move up and down by the square hole of loam cake 11 belows and the square hole of clamping block 13.The locking key 9 that outstanding plug both sides are arranged at the middle part of plug, the keyway l4 of the symmetry of the square hole both sides of loam cake 11 and locking 13 supplies locking key by (seeing Fig. 4-6).In order to make the rotatable locking of plug, be equipped with two sections cylindrical knots 4 in the corresponding positions of plug, when plug during to top dead centre, positive hour hands rotation plug, cylindrical knots 4 can be rotated (seeing figure C-C ' section) in 11 and 13 square hole, this moment, locking key 9 departed from keyway 14, and plug is no longer descending.Pin decide to have on the piece 13 part of two symmetrical projections, and effect is that the restriction plug can only half-twist, and plug is unique for the position (seeing figure A-A ' amplification) that rotates when top dead centre.The lower end of plug connects column type jacking block 5 by screw, and it act as the restriction plug and moves in top dead centre, simultaneously; because plug is often answered back to the metal part on piston top; form easily wearing and tearing and distortion, install additional and be convenient to dismounting behind the jacking block 5 and change, thereby play the effect of protection plug.

Referring to every extension bar length of Fig. 7-9 is 1 meter, can realize the connection of random length by bayonet socket 15 and sliding sleeve 16, T type handgrip 20 can increase and presses down intensity and make more convenient to operate, after the bayonet socket of two extension bars coincide, press lock-button 17 and promote sliding sleeve and seal bayonet socket, lock-button ejected the locking sliding sleeve automatically after sliding sleeve put in place.

Connection between other fixed part of whole bottom sampler all adopts screw fastening.

Method of operating of the present utility model is as follows:

1. inner carrier is pushed into by plug and adopts mud pipe bottom, and install extension bar and handle additional according to the different depth of waters, Fig. 1 represents to adopt the mud secondary piston and is positioned at diagrammatic cross-section when adopting mud pipe bottom;

2. bottom sampler and wire rope are vertically stretched under water simultaneously, when touching bed mud, mention plug and spin locking (Fig. 2), fixedly wire rope makes the underwater relative position of piston constant, presses down extension bar, and it is descending that adopt the mud pipe this moment, piston is up in pipe, and bed mud enters adopts the mud pipe, (Fig. 3).

3. if want layering to adopt mud, bottom sampler can be pressed into bed mud to the degree of depth that needs sampling, mention plug and locking again, fixedly wire rope continues to press down and promptly realize stratified sampling this moment;

4. after bottom sampler was left the water, 90 ° of inhour rotation plugs promoted plug and make descent of piston promptly discharge the mud sample to unlock.

The utility model is that mud sample instrument is adopted in a kind of convenient and reliable craft, rational in infrastructure, firm and durable, easy to carry, service efficiency is high, is applicable to field field samplings such as geology, environmental protection, water conservancy, lake, has filled up the blank of this type of instrument amorphous products.

Claims

1, a kind of layering bottom sampler, comprise and adopt the mud pipe, piston, plug and extension bar, handgrip constitutes, it is characterized in that: adopt the hard thin-wall straight tube that mud Guan Weiyi section is vertically placed, the pipe upper end is provided with loam cake, the loam cake center porose with adopt the mud tube cavity and be communicated with, plug is inserted into inner chamber by loam cake, one piston is set in the inner chamber, connect on the piston wire rope upwards by on cover setting aperture stretch out inner chamber and supply the operator outward, wire rope is provided with the snap close with location, inner chamber aperture exit, the plug upper end connects with handgrip by extension bar, also be provided with the locating device that prevents that plug from falling between plug and the loam cake, also be provided with aperture adopting on the tube wall of mud tube cavity top.

2, layering bottom sampler according to claim 1, the movable connection on it is characterized in that loam cake and adopting the mud pipe, not saturating post hole is offered at the loam cake center from top to bottom, be bumped into the sleeve pipe of a length in the post hole greater than the post hole depth, the cannula tip activity connects a pin and decides piece, the following loam cake center in clamping block center and sleeve pipe lower end all offers the square column hole of consistent size, the epimere square hole, post hole, stage casing, the hypomere square hole, three sector holes connect and adopt the mud tube cavity and be communicated with, the post bore dia of stage casing cover tube hub is greater than the diagonal line in square column hole, two, on two pairs of walls in the square column hole of clamping block and loam cake, be provided with and the long consistent keyway in hole, on the clamping block top end face, locate to be provided with spacing preiection for 90 ° with the square hole keyway, plug is a square bar, part medium position place is provided with the locking key of outstanding plug both sides in the pipe of plug, and square column hole and keyway in the size of plug and key and clamping block and the loam cake are slidingly matched, and are provided with two sections cylindrical knots on the plug below the locking key.Two cylindrical knots sizes and between distance should with the square opening size at the clamping block at sleeve pipe two and loam cake center and between distance corresponding.

3, layering bottom sampler according to claim 1 and 2 is characterized in that plug top and extension bar are movable to connect, and many extension bars activity successively connect with handgrip after being connected into Len req again.

4, layering bottom sampler according to claim 3, it is characterized in that adopting mud pipe lower end is oblique bladed, the piston lower end connects the tapered head of a hard, adopts aperture that mud tube cavity upper wall is provided with along wall uniform three.