CN211927306U

CN211927306U - Backfill sampling device

Info

Publication number: CN211927306U
Application number: CN201922144066.9U
Authority: CN
Inventors: 田育丰
Original assignee: Guangxi Polytechnic of Construction
Current assignee: Guangxi Polytechnic of Construction
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-11-13
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a backfill sampling device belongs to engineering survey apparatus field. Comprises an upper ring body, a lower ring body, a standard ring, a pin and a lock cylinder; the upper ring body is annular, the two opposite sides of the outer side wall of the upper ring body are provided with a first pin hole and a first lock hole, the lower ring body is annular, the two opposite sides of the outer side wall of the lower ring body are provided with a second pin hole and a second lock hole, the standard ring is annular, and the two opposite sides of the outer side wall of the standard ring are provided with a third pin hole and a third lock hole; the standard ring is positioned between the upper ring body and the lower ring body; the pin column is rotationally connected with the first pin hole, the second pin hole and the third pin hole; the lock column is inserted into the first lock hole, the second lock hole and the third lock hole and is detachably connected with the second lock hole. The utility model provides a problem that the cutting ring sampling efficiency of traditional backfill soil is low.

Description

Backfill sampling device

Technical Field

The utility model relates to an engineering survey apparatus field especially relates to a backfill sampling device.

Background

The backfilling refers to returning the filled soil after completing the ground engineering such as foundation and the like in the engineering construction. The sampling of the backfill soil is mainly used for detecting the dry density and the water content of the backfill soil, so the sampling times and the related layer number are very important. The soil sample has certain representativeness, and the sampling quantity can meet the requirement of the test. The specific operation procedures of cutting ring sampling of the traditional backfill soil are as follows: 1. the inner wall of the cutting ring is coated with a layer of vaseline oil paste, and then soil can be cut. 2. When taking a soil sample, firstly digging a soil layer about 10cm away from the surface of the measuring point, and then scraping the soil layer. 3. And (3) putting the cutting edge of the annular cutter downwards on the soil layer, pressing the annular cutter vertically downwards, cutting the soil sample along the outer side of the annular cutter by using a soil cutter until the soil sample is higher than the annular cutter, and carefully flattening the soil samples at two ends of the annular cutter by using the soil cutter. 4. And taking out the soil sample from the cutting ring, putting the soil sample into the aluminum box, covering the box cover, and recording the serial number of the aluminum box for subsequent experiment detection. The sampling efficiency is low in the above-mentioned traditional sample, can not satisfy the requirement that modern building site high efficiency construction detected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backfill sampling device, which solves the problem of low efficiency of traditional backfill cutting ring sampling.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a backfill sampling device comprises an upper ring body, a lower ring body, a standard ring, a pin and a lock cylinder; the upper ring body is annular, the two opposite sides of the outer side wall of the upper ring body are provided with a first pin hole and a first lock hole, the lower ring body is annular, the two opposite sides of the outer side wall of the lower ring body are provided with a second pin hole and a second lock hole, the standard ring is annular, and the two opposite sides of the outer side wall of the standard ring are provided with a third pin hole and a third lock hole; the standard ring is positioned between the upper ring body and the lower ring body; the pin column is rotationally connected with the first pin hole, the second pin hole and the third pin hole; the lock column is inserted into the first lock hole, the second lock hole and the third lock hole and is detachably connected with the second lock hole.

Furthermore, a handle crossing the opening at the upper part of the upper ring body is arranged at the upper part of the upper ring body.

Furthermore, the second lockhole is a threaded hole, and the lower end of the lock column is in threaded connection with the second lockhole.

Furthermore, the lower part of the lock column is a step column with the diameter decreasing from top to bottom, and the diameters of the first lock hole, the third lock hole and the second lock hole are sequentially decreased and respectively matched with the step column of the lock column.

Furthermore, a rotating disk is arranged at the upper end of the lock cylinder, and anti-skidding textures are arranged on the outer side wall of the rotating disk.

Furthermore, the lower end of the lower ring body is in a sharp annular knife shape.

Furthermore, the lock cylinder is connected with the upper end of the upper ring body through a flexible wire.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the utility model is used for during the backfill sample, earlier dig out measuring point surface about 10cm after the soil layer scrape flat again, place whole device on the soil layer, make down the ring body down, press down or beat whole device perpendicularly, make go up the ring body, down in ring body, the standard ring all enters into the backfill soil layer, later take out whole device. When the device is taken out, the backfill soil in the device is broken at a position close to the lower end face of the lower ring body due to the self viscous force of the backfill soil, and the upper ring body, the lower ring body and the standard ring are filled with the backfill soil. After the device is taken out, the detachable lock cylinder is taken out, and at the moment, the upper ring body, the lower ring body and the standard ring can rotate relatively. The upper ring body is rotated, the upper ring body cuts the backfill soil at the upper end of the standard ring flat, the lower ring body is rotated again, the backfill soil at the upper end of the standard ring is cut flat by the lower ring body, the backfill soil sample in the standard ring is taken out and put into the aluminum box, the box cover is covered, the serial number of the aluminum box is recorded for subsequent experimental detection, thus the sampling of the backfill soil is completed, the upper ring body, the lower ring body and the standard ring are cleaned up, the steps are repeated after the upper ring body, the lower ring body and the standard ring are installed into a lock column, and the sampling work of multiple backfill soil is realized. Through the utility model discloses, during the sample, need not to use the cutter to dig away the backfill soil in the cutting ring outside earlier, also need not to use the cutter to cut the backfill soil at cutting ring both ends and level, very big reduction is backfilled and is dug the work of leveling of the excavation soil of the guy's sample in-process, improves the efficiency of backfill soil sampling.

2. The utility model is provided with the handle, which is convenient for lifting the whole device; the lock cylinder is easy to disassemble and assemble by arranging the rotating disk and the anti-skid texture on the lock cylinder; the lock cylinder is connected with the upper end of the upper ring body through the flexible wire, and the lock cylinder can be effectively prevented from being lost and falling.

3. The utility model discloses be the cylindrical lock post of step, a plurality of step faces of step post can be direct with first lockhole, second lockhole and third lockhole respectively, and when the sample pushed down, it is too inseparable and be difficult to relative rotation to connect between the ring body, lower ring body, the standard ring to prevent to take out whole device from the soil layer.

4. The utility model discloses be provided with the annular lower ring body of ring sword, the required power of usefulness when can effectively reducing pushing down the device.

Drawings

FIG. 1 is a three-dimensional view of the present invention;

FIG. 2 is a cross-sectional three-dimensional view of the present invention;

FIG. 3 is a three-dimensional view of the upper ring body of the present invention;

FIG. 4 is a three-dimensional view of the lower ring body of the present invention;

fig. 5 is a three-dimensional view of the standard ring of the present invention.

In the attached drawings, 1-an upper ring body, 2-a lower ring body, 3-a standard ring, 4-a pin column, 5-a lock column, 11-a first pin hole, 12-a first lock hole, 13-a handle, 21-a second pin hole, 22-a second lock hole, 31-a third pin hole, 32-a third lock hole, 51-a flexible wire and 52-a rotating disc.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 5, a backfill sampling device comprises an upper ring body 1, a lower ring body 2, a standard ring 3, a pin 4 and a lock cylinder 5; the upper ring body 1 is annular, the two opposite sides of the outer side wall of the upper ring body 1 are provided with a first pin hole 11 and a first lock hole 12, the lower ring body 2 is annular, the two opposite sides of the outer side wall of the lower ring body 2 are provided with a second pin hole 21 and a second lock hole 22, the standard ring 3 is annular, and the two opposite sides of the outer side wall of the standard ring 3 are provided with a third pin hole 31 and a third lock hole 32; the standard ring 3 is positioned between the upper ring body 1 and the lower ring body 2; the pin column 4 is rotatably connected with the first pin hole 11, the second pin hole 21 and the third pin hole 31, the diameters of two ends of the pin column 4 are larger, and the upper ring body 1, the lower ring body 2 and the standard ring 3 are limited; the lock cylinder 5 is inserted into the first locking hole 12, the second locking hole 22 and the third locking hole 32 and detachably connected with the second locking hole. It should be noted that, in the present embodiment, the standard ring 3 has the same specification as the conventional cutting ring, i.e., the same inner diameter and height. The inner diameter of the upper ring body 1, the inner diameter of the lower ring body 2 and the inner diameter of the standard ring 3 are the same.

In this embodiment, the upper portion of the upper ring body 1 is provided with a handle 3 spanning the upper opening of the upper ring body 1, and the handle 3 can be used for lifting the whole device, is convenient to carry or take out from backfill soil, and can also be used for assisting in the process of pressing or beating. The second lock hole 22 is a threaded hole, and the lower end of the lock column 5 is in threaded connection with the second lock hole 22. The upper end of the lock cylinder 5 is provided with a rotating disc 52, and the outer side wall of the rotating disc 52 is provided with anti-skid textures. The lower end of the lower ring body 2 is in a sharp annular knife shape. The lock cylinder 5 is connected with the upper end of the upper ring body 1 through a flexible wire 51, wherein the flexible wire 51 can be a metal wire, a nylon wire or a chain. The lock column 5 is connected with the upper end of the upper ring body 1 through the flexible wire 51, so that the lock column 5 can be effectively prevented from being lost and falling. The lower part of the lock column 5 is a stepped column with the diameter decreasing from top to bottom, and the diameters of the first lock hole 12, the third lock hole 32 and the second lock hole 22 are sequentially decreased and respectively matched with the stepped column of the lock column 5. A plurality of step faces of the step column can respectively abut against the first lock hole 12, the second lock hole 22 and the third lock hole 32, and when the sampling is performed and the pressing is performed, the upper ring body 1, the lower ring body 2 and the standard ring 3 are prevented from being connected too tightly to be difficult to rotate relatively when the whole device is taken out from a soil layer.

When the backfill soil is sampled, firstly, a soil layer of about 10cm is dug out of the surface of the measuring point, then the soil layer is scraped flat, the whole device is placed on the soil layer, the lower ring body 2 faces downwards, the whole device is vertically pressed or knocked down, the upper ring body 1, the lower ring body 2 and the standard ring 3 all enter the backfill soil layer, and then the whole device is taken out. When the upper ring body 1 is taken out, the backfill is broken at a position close to the lower end face of the lower ring body 2 due to the self viscous force of the backfill, and the upper ring body 1, the lower ring body 2 and the standard ring 3 are filled with the backfill. After the device is taken out, the detachable lock cylinder 5 is taken out, and at the moment, the upper ring body 1, the lower ring body 2 and the standard ring 3 can rotate relatively. The upper ring body 1 is rotated, the upper ring body 1 trims the backfill soil at the upper end of the standard ring 3, the lower ring body 2 is rotated again, the backfill soil at the upper end of the standard ring 3 is trimmed by the lower ring body 2, the backfill soil sample in the standard ring 3 is taken out, the backfill soil sample is placed in the aluminum box, the box cover is covered, the serial number of the aluminum box is recorded for subsequent experiment detection, thus completing the sampling of the backfill soil, the upper ring body 1, the lower ring body 2 and the standard ring 3 are cleaned, the steps are repeated after the upper ring body 1, the lower ring body and the standard ring 3 are placed in the lock column 5, and the sampling work of the backfill soil at multiple positions is realized.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a backfill sampling device which characterized in that: comprises an upper ring body, a lower ring body, a standard ring, a pin and a lock cylinder; the upper ring body is annular, the two opposite sides of the outer side wall of the upper ring body are provided with a first pin hole and a first lock hole, the lower ring body is annular, the two opposite sides of the outer side wall of the lower ring body are provided with a second pin hole and a second lock hole, the standard ring is annular, and the two opposite sides of the outer side wall of the standard ring are provided with a third pin hole and a third lock hole; the standard ring is positioned between the upper ring body and the lower ring body; the pin column is rotationally connected with the first pin hole, the second pin hole and the third pin hole; the lock column is inserted into the first lock hole, the second lock hole and the third lock hole and is detachably connected with the second lock hole.

2. A backfill sampling device according to claim 1, wherein: and the upper part of the upper ring body is provided with a lifting handle which crosses the opening at the upper part of the upper ring body.

3. A backfill sampling device according to claim 1, wherein: the second lockhole is a threaded hole, and the lower end of the lock column is in threaded connection with the second lockhole.

4. A backfill sampling device according to claim 1, wherein: the lower part of the lock column is a stepped column with the diameter decreasing from top to bottom, and the diameters of the first lock hole, the third lock hole and the second lock hole are sequentially decreased and are respectively matched with the stepped column of the lock column.

5. A backfill sampling device according to claim 1, wherein: the lock is characterized in that a rotating disc is arranged at the upper end of the lock cylinder, and anti-skidding textures are arranged on the outer side wall of the rotating disc.

6. A backfill sampling device according to claim 1, wherein: the lower end of the lower ring body is in a sharp annular knife shape.

7. A backfill sampling device according to claim 1, wherein: the lock cylinder is connected with the upper end of the upper ring body through a flexible wire.