CN1609583A - Support rotation type undisturbed soil sampler - Google Patents

Abstract

Translated fromChinese

本发明公开了一种支架旋转式原状土取样器，它包括可拆卸的手柄，外螺纹钻杆，三角支架、带内螺纹的钻杆固定器，直径调节板及固定器，土样外套压入板，土样外套固定环，割刀，滚轮式固定装置，三角架的固定杆，水平气泡，土样容器等组成。本发明体积小，组装、拆卸方便，结构简单，造价低廉，便于携带。不仅适用于土工试验取样，还可满足科研用原状土取样。使整个取土过程能在稳定、恒压下进行，操作上更为轻便合理，钻孔和取样一体化，可根据需要调节原状土样的直径和高度；使用本发明可以使所取土样更接近土的原始状态，适用于不同密实度的土壤和带砂卵石的土层。

The invention discloses a support rotating original soil sampler, which comprises a detachable handle, an externally threaded drill rod, a triangular support, a drill rod holder with an internal thread, a diameter adjustment plate and a holder, a soil sample jacket pressing plate, a soil sample jacket fixing ring, a cutter, a roller type fixing device, a fixing rod of a tripod, a horizontal bubble, a soil sample container and the like. The invention has a small volume, is convenient to assemble and disassemble, has a simple structure, is low in cost and is easy to carry. It is not only suitable for geotechnical test sampling, but also can meet the original soil sampling for scientific research. The entire soil sampling process can be carried out under stable and constant pressure, the operation is more convenient and reasonable, drilling and sampling are integrated, and the diameter and height of the original soil sample can be adjusted as needed; the use of the invention can make the soil sample taken closer to the original state of the soil, and is suitable for soils of different densities and soil layers with sand and pebbles.

Description

Support rotating undisturbed soil sampling device

Technical field

The present invention relates to a kind of sampler, particularly a kind of support rotating undisturbed soil sampling device.

Background technology

That existing soil sample barrel mostly adopts when fetching earth is directly forced, hammering adding pressure type and be pressed into rotaryly, all utilizes pressurization rotation and gravity impact to make soil sample barrel enter the soil body, finishes and fetches earth.But in sampling process, because of artificial application of force inequality produces disturbance to the soil sample edge, and because of factors such as landform, soil property can not guarantee institute's soil sampling perpendicularity, make institute's soil sampling can not be because of artificially swinging when fetching earth near virgin state.Size to institute's soil sampling can not be regulated, and needs to adopt the soil sample barrel of different models to regulate.

Summary of the invention

The objective of the invention is to, a kind of support rotating undisturbed soil sampling device is provided, this sampler has overcome because of inhomogeneous acting force disturbances such as artificial pressurization, hammerings, can access not by the undisturbed soil sample of the geotechnique of disturbance, soil characteristic test, so that earth pillar is carried out soil permeability test, soil evaporation test, obtains believable test figure.

In order to achieve the above object, the technical solution used in the present invention is, a kind of support rotating undisturbed soil sampling device is characterized in that, it comprises:

A drilling rod fixator that has internal thread, the A-frame of this drilling rod fixator and support and be used to show that the horizontal bubble of levelling connects as one;

One external thread drilling rod, the upper end of this external thread drilling rod are provided with a handle; The internal thread of the external thread of external thread drilling rod and drilling rod fixator cooperatively interacts;

One aperture adjustment plate and fixator is made up of cutter fixed connector and Y type cutter fixed head, and it is arranged on the lower end of external thread drilling rod, has the cutter regulating tank on the cutter fixed head of Y type, and it rotates with the external thread drilling rod;

One soil sample overcoat is pressed into plate, is used for fixing having aperture adjustment plate and fixator lower end;

One roller type cutter stationary installation, it is connected with the cutter fixed head of the Y type of aperture adjustment plate and fixator, is fixed with cutter and at least one earth pillar overcoat set collar on this roller type cutter stationary installation, and this earth pillar overcoat set collar is used for fixing the soil sample container; Cutter is connected the lowermost end of roller type cutter stationary installation;

One soil sample container is used for the undisturbed soil sampling, is fixed on the earth pillar overcoat set collar.

The present invention mainly adopts band internal thread support, external thread drilling rod, the soil sample overcoat of scalable level to be pressed into parts such as plate and diameter adjustment plate, the whole process of fetching earth can be carried out under stable, constant voltage, more light reasonable in the operation, it is integrated to hole and take a sample, and once creeps into deeply down to reach 50cm.

Support rotating undisturbed soil sampling device of the present invention, volume is little, and assembling, convenient disassembly are simple in structure, cheap, are easy to carry.Be not only applicable to the soil test sampling, also can satisfy scientific research and take a sample with undisturbed soil.Its major advantage is: the virgin state of the more approaching soil of (1) soil sample; (2) hole and take a sample integrated; (3) can regulate as required undisturbed soil sample diameter and the height; (4) laborsaving, save time; (5) depth is stable, even; (6) be applicable to the soil of different packings and the soil layer of band sandy gravel.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the roller type cutter stationary installation enlarged drawing among Fig. 1;

Fig. 3 is the telescopic strut synoptic diagram of A-frame;

Fig. 4 is aperture adjustment plate and fixator synoptic diagram;

Fig. 5 is that the soil sample overcoat is pressed into the plate synoptic diagram.

The invention will be further described below in conjunction with accompanying drawing and principle of work.

Embodiment

Referring to accompanyingdrawing 1, the composition of support rotating undisturbed soil sampling device of the present invention such as Fig. 1 comprisedetachable handle 1, externalthread drilling rod 2, A-frame 3, tappeddrilling rod fixator 4, diameter adjustment plate andfixator 5, the soil sample overcoat is pressed intoplate 6, soil sampleovercoat set collar 7, roller type cutterstationary installation 8,roller type cutter 9, thefixed bar 10 of tripod,horizontal bubble 11,soil sample container 12 compositions such as grade.

The internal thread of the external thread of externalthread drilling rod 2 and drillingrod fixator 4 cooperatively interacts, and drillingrod fixator 4 is with theA-frame 3 that supports and be used to show that thehorizontal bubble 11 of levelling connects as one;

Aperture adjustment plate andfixator 5, form by cutter fixed connector 41 and Y type cutter fixed head 42, it is arranged on the lower end of externalthread drilling rod 2, has cutter regulating tank 43 on the cutter fixed head 42 of Y type, and aperture adjustment plate andfixator 5 rotate with externalthread drilling rod 2;

The soil sample overcoat is pressed intoplate 6 and is fixed on and has aperture adjustment plate andfixator 5 lower ends, is used to compresssoil sample container 12;

One roller type cutterstationary installation 8, it is connected with the cutter fixed head 42 of the Y type of aperture adjustment plate andfixator 5, be fixed withcutter 9 and at least one earth pillarovercoat set collar 7 on this roller type cutterstationary installation 8, this earth pillarovercoat set collar 7 is used for fixingsoil sample container 12;Cutter 9 is connected the lowermost end of roller type cutterstationary installation 8;

The specification of earth pillar overcoat setcollar 7 has multiple, and present embodiment adopts 2.

Onesoil sample container 12 is used for the undisturbed soil sampling, is fixed on during use on the earth pillar overcoat setcollar 7.

The 42 equal angles settings of Y type cutter fixed head have cutter regulating tank 43 on the cutter fixed head 42 of Y type,cutter 9 can be regulated.

Roller 21 on the roller typestationary installation 8 is arranged on the end by the soil sample container, and its fixed form is a castellated nut.

A-frame 3 is telescopic, and fixedbar 10 is arranged at its bottom.

The soil sample overcoat is pressed intobearing 61 on theplate 6, thisbearing 61 can be with 2 rotations of external thread drilling rod, the soil sample overcoat be pressed on theplate 6 also have three equal angles settings be pressed into plate radiusadjustable plate 62, to be pressed into plate radiusadjustable plate 62 by setbolt 63 is fixed on the soil sample overcoat and is pressed on theplate 6, be pressed into plate radiusadjustable plate 62 beyond bearing 61,main plaing compresses 12 effects of soil sample container, and it does not rotate with externalthread drilling rod 2.

Earth pillar overcoat setcollar 7 andcutter 9 link together by castellated nut and roller type cutterstationary installation 8.

Earlier tappeddrilling rod fixator 4 is installed on theA-frame 3 during use, and find level according tohorizontal bubble 11, again externalthread drilling rod 2 is connected with tappeddrilling rod fixator 4, diameter adjustment plate andfixator 5 are installed again, the soil sample overcoat is pressed intoplate 6,cutter 9 is installed at last, when fetching earth according to the suitable earth pillar overcoat set collar of the size configure of institute'ssoil sampling container 12 7 and the distance of regulatingcutter 9.

During soil sampling, the plate radiusadjustable plate 62 of being pressed into that the soil sample overcoat is pressed on theplate 6 compressessoil sampling container 12, it can not be rotated, and theroller 21 on the roller typestationary installation 8 is rotated at the external diameter ofsoil sampling container 12,cutter 9 rotation cuts out soil sample, and this soil sample directly is admitted in thesoil sample container 12, treat that soil sample is filled after, opposite spin externalthread drilling rod 2 can obtain institute's soil sampling.

Support rotating undisturbed soil sampling device of the present invention, when sampling, reach not disturbance or slight disturbed sample, each link (unload sample, dress sample, keeping, transport, open sample etc.) in the whole process of after sampling, using to soil sample simultaneously, not disturbance or slight disturbed sample, thus the virgin state quality of institute's soil sampling improved greatly.It uses and is easy to operate, and the disturbance of the soil body is dropped to minimum, almost reaches the degree of not disturbance.

Compare with other traditional soil sample barrel, convenient and undisturbed sample when not only unloading sample may be to the disturbance of soil sample when removing the operation of application of sample lid, sealing bar, sealing wax and these operations from, and keeping is convenient, and transportation easily.Can the soil sample container be produced once by the required length of test, directly soil sampling is used as the cutting ring of testing usefulness to the soil sample container, carries out the soil sample collection on the test apparatus of packing in the lump, and a plurality of operations and operation itself is to the repeatedly disturbance of soil sample when having avoided cutting sample.But support rotating undisturbed soil sampling device range of application of the present invention comprises: the soil column that irrigation tests are used; Engineering compacting soil sample post; Be applicable to mensuration, soil technology measurement and the on-the-spot teaching of soil fertility mensuration, soil texture judgement, unit weight mensuration, granular formation.

Claims (4)

1. support rotating undisturbed soil sampling device is characterized in that it comprises:

A drilling rod fixator (4) that has internal thread, this drilling rod fixator (4) is with the A-frame (3) that supports and be used to show that the horizontal bubble (11) of levelling connects as one;

One external thread drilling rod (2), the upper end of this external thread drilling rod (2) is provided with a handle (1); The internal thread of the external thread of external thread drilling rod (2) and drilling rod fixator (4) cooperatively interacts;

One aperture adjustment plate and fixator (5), form by cutter fixed connector (41) and Y type cutter fixed head (42), it is arranged on the lower end of external thread drilling rod (2), has cutter regulating tank (43) on the cutter fixed head (42) of Y type, and it rotates with external thread drilling rod (2);

One soil sample overcoat is pressed into plate (6), is used for fixing having aperture adjustment plate and fixator (5) lower end;

One roller type cutter stationary installation (8), it is connected with the cutter fixed head (42) of the Y type of aperture adjustment plate and fixator (5), be fixed with cutter (9) and at least one earth pillar overcoat set collar (7) on this roller type cutter stationary installation (8), this earth pillar overcoat set collar (7) is used for fixing soil sample container (12); Cutter (9) is connected the lowermost end of roller type cutter stationary installation (8);

One soil sample container (12) is used for the undisturbed soil sampling, is fixed on the earth pillar overcoat set collar (7).

2. support rotating undisturbed soil sampling device as claimed in claim 1 is characterized in that, described A-frame (3) is telescopic, and fixed bar (10) is arranged at its bottom.

3. support rotating undisturbed soil sampling device as claimed in claim 1 is characterized in that, described soil sample overcoat be pressed into bearing (61) and three equal angles settings are arranged on the plate (6) be pressed into plate radius adjustable plate (62).

4. support rotating undisturbed soil sampling device as claimed in claim 1 is characterized in that, described earth pillar overcoat set collar (7) and cutter (9) link together by castellated nut and roller type cutter stationary installation (8).

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