RU36941U1 - DEVICE FOR ESTABLISHING AND REMOVING Trombidiform ticks inhabiting the soil - Google Patents

Description

INSTRUMENT FOR INSTALLING AND REMOVING Trombidiform ticks inhabiting the night

The utility model relates to devices that allow the extraction of soil samples in order to detect and enrich the species composition of thrombiform ticks in the soil, which are a reliable biological indicator of the ecological condition of the soil.

There is a method of sampling soil samples for collecting soil mites by digging a soil section and manual selection of soil phobes from different horizons. Samples of the standard volume are taken from the soil section with a knife (starting from the lower horizons upwards) or from different layers of the soil pit as it deepens (Key to Trombidiformes ticks living in the soil.- M .: Nauka, 1978.- P.9-10). The disadvantage of this method is the complexity, lack of accuracy and duration of soil sampling.

The closest analogs (prototypes) are the Shmailsky drill in the modification of N.A. Kachinsky (A.F. Vadyunin, Z.A. Korchagmna. Methods of studying the physical properties of soils. - 3rd ed., Revised and additional - M. : Agropromizdat, 1986. a curved, pointed spoon screwed into the soil and a drill Nekrasov (A.F. Vadyunina, Z.A. Korchagina. Methods studied ia physical properties of soils. - 3rd ed., revised and revised-M .: Agropromizdat, 1986.-148 pp.), consisting of a cylinder for sampling soil with two cutting teeth bent to the center of the cylinder, made in in the form of a twisting spiral, the main and additional ptgangs made of a hollow or blind pipe, 100-160 cm long. The disadvantage of these devices is

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technical impossibility in the end result to obtain a soil sample with undisturbed air pores in which ticks live. When the cutting edge of the drill is screwed into the soil, crumbling of the soil occurs, the air pores are crushed, until the internal structure of the soil is completely worn out, which destroys without a trace all the thrombidiform mites, which are small (1-1.5 mm), in soft and unprotected skin. With this selection of soil samples, it is impossible to establish not only the species composition of thrombidiform ticks, but their number.

The purpose of the utility model is to provide the operational ability to select soil samples with intact air pores to reliably establish the number and species composition of thrombiformiform flares - biological indicators of the ecological condition of the soil. For this purpose, the device is made in the form of a drill, consisting of a cylinder, the lower part of which is made in the form of cutting teeth in an amount of more than two, and the upper part of the cylinder is connected with a threaded connection to the cylinder cover, which is fixedly mounted with an ok hollow pipe ending in top of the handle.

In the drawing (Figs. 1, 2) u) an apparatus for the establishment and extraction of thrombidiform ticks living in the soil is shown. The device is a drill, consisting of a cylinder 4, a hollow pipe 8, fixedly connected to the cover 2, screwed with a threaded connection 3 to the upper part of the cylinder 4. The lower part of the cylinder 4 is made in the form of cutting teeth in an amount greater than two. The front vertical pointed cutting edge of the tooth 5 is bent inside the cavity of the cylinder 4, and at the lower beveled rear of the cutting edge 6 is bent to the outside. The upper part of the hollow pipe 8 ends with a motionlessly connected handle 1.

The principle of operation of the device in the field is as follows. A hollow pipe 8 with a handle 1 in the upper part, with a fixedly fixed wing of the cylinder 2, in the lower part, is screwed on

threaded connection 3 with cylinder 4. In this state, the device is ready for operation. The device is installed on the night surface and rotationally but clockwise for the handle 1, drilling is performed to remove the soil sample from the well 7. Due to the fact that the front cutting edge of the tooth 5 is bent inward along the cavity of the cylinder 4, a gap is maintained between the cut soil sample and the inner wall of the cylinder, and the lower chamfered part of the tooth 6 is bent to the outside, which ensures rubbing the cut soil into the wall of the well. Thus, the soil sample remains in cylinder 4 with a non-retained physical structure and retained air pores. In addition, the front cutting edge of the tooth 5, bent inwardly into the cavity of the cylinder 4, promotes retention and prevents the normally moist soil sample from pouring out of the cylinder. The filled cylinder 4 with the soil sample is removed from the well 7. Then the cover 2 is unscrewed and the sample is freely and carefully removed from the opening, cylinder 4. A soil sample with intact physical soil structure and punctured puffed pores is analyzed for the quantitative and species composition of thrombidiform adhesives s.

Thus, the device for locating and extracting thrombidiform mites in the soil, which is a drill, consisting of a cylinder with a screw cap and a hollow tube with a handle, thanks to a special way bent cutting teeth in the lower part of the cylinder, allows you to get quickly and quickly from any depth , soil samples with intact air pores for reliable determination of the number and species composition of thrombiform ticks of biological indicators of the ecological condition of the soil.

Claims (4)

1. A device for establishing and removing thrombidiform ticks living in the soil, consisting of a cylinder with teeth connected to a motionlessly fixed rounded hollow tube ending in a removable handle at the top, characterized in that, in order to increase the reliable determination of the number and species composition of thrombiform ticks with a simultaneous increase in the operational ability to take soil samples, the lower working edge of the cylinder is made in the form of cutting teeth in an amount of more than two. 2. The device according to claim 1, characterized in that, for the convenience and ease of excavation of the soil sample, the cylinder cover is screwed into the inner upper part of the cylinder. 3. The device according to claim 1, characterized in that, in order to remove the cut soil from the borehole and to keep the soil sample intact, the front pointed cutting edge of the tooth is bent into the cavity of the cylinder in the direction of travel, and the cutting edge is bent at an inclined horizontal rear part to the outside. 4. The device according to claim 3, characterized in that, in order to increase the cutting effect of the soil, the lower inclined cutting edge of the tooth is cut off from the horizontal by 6-8 °.