Soil sampling device for land investigation

Abstract

The utility model discloses a soil sampling device for land investigation, which comprises an outer sleeve and an interpolation sampling barrel, and the top of the interpolation sampling barrel is inserted into the outer sleeve in a sliding manner. According to the soil sampling device for land investigation, through the arrangement of the outer sleeve rotating butt joint pipe and the clamping arc disc, the internally-inserted sampling barrel can be rapidly detached and pulled out from the interior of the outer sleeve, so that cleaning and maintenance after use are facilitated, and meanwhile, through the thread propelling principle of a central thread pushing pipe and a pushing built-in plate, the sampling efficiency is improved. The inner inserting sampling barrel can be pushed and pulled upwards in the vertical direction to stretch out and draw back in the outer sleeve, so that the inner inserting sampling barrel is driven to stably move downwards, that is, the inner inserting sampling barrel is inserted into soil, and the inner inserting sampling barrel can be driven to contract towards the inner part of the outer sleeve to move upwards; soil sampled in the interpolated sampling barrel is stably pushed out from the end by using the piston push block plate, and then the soil barrel sampled in the interpolated sampling barrel is completely and quickly pushed out.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil sampling tool technical field, concretely is a land investigation soil sampling device. BACKGROUND

[0002] Land investigation sampling refers to the system and purposeful investigation of the sampling soil area, the sample of the soil and other soil related elements is obtained, the sample of the soil range is collected, the nature, composition, pollution condition and suitable soil management of the soil can be understood, so in the process of soil management, sampling equipment needs to be used for sampling investigation.

[0003] At present, the existing land investigation soil sampling device has the problem that the sampled soil is difficult to smoothly take out from the sampling pipe when actually used on site, often needs the sampling personnel to knock the sampling pipe wall to shake it out, and needs to violently knock the pipe head downward during the process of inserting the sampling pipe into the soil sampling, so whether it is the sampled soil knocking the sampling pipe or the process of inserting the soil, the pipe head needs to be knocked, which can cause irreversible damage to the sampling pipe, reduces the service life of the sampling pipe, and at the same time, the operation is extremely troublesome when the sampled soil is taken out, and the sampled soil in the sampling pipe cannot be quickly and completely taken out smoothly. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a land investigation soil sampling device, which solves the problem that the existing land investigation soil sampling device needs to knock the pipe head during the process of taking out the sampled soil or inserting the soil, which can cause irreversible damage to the sampling pipe, and at the same time, the operation is extremely troublesome when the sampled soil is taken out, and the sampled soil in the sampling pipe cannot be quickly and completely taken out smoothly.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a land investigation soil sampling device, which comprises an outer sleeve and an inner insertion sampling cylinder, the top of the inner insertion sampling cylinder is slidably inserted into the inner part of the outer sleeve, a top cap cylinder is arranged above the outer sleeve, and the top end of the outer sleeve is inserted into the inner part of the top cap cylinder, a center threaded push pipe is arranged in the inner part of the inner insertion sampling cylinder, a piston push block plate is fixedly arranged at the bottom end of the center threaded push pipe, the top end of the center threaded push pipe penetrates the middle part of the top cap cylinder, the end thereof extends to the outside of the top cap cylinder, the surface of the center threaded push pipe is rotatably connected with the inner wall of the top cap cylinder, a wear-resistant pad is arranged on the bottom surface of the piston push block plate, and a rotating handle disc is fixedly connected with the top end of the center threaded push pipe.

[0008] Preferably, the top cap cylinder bottom along the mouth is fixedly provided with a clamping arc disc on both sides, the upper surface of the outer sleeve is provided with a threaded groove, the threaded groove of the outer sleeve is threadedly sleeved with an outer sleeve rotating butt joint pipe, the top of the outer sleeve rotating butt joint pipe is rotatably connected with a clamping sleeve, the bottom plate of the clamping sleeve is movably sleeved on the surface of the outer sleeve, and the annular groove in the inner circle of the clamping sleeve is movably sleeved on the surface of the two clamping arc discs, and the inner wall of the clamping sleeve is provided with a sliding longitudinal notch matched with the clamping arc disc.

[0009] Preferably, the surface of the center threaded push pipe is threadedly sleeved with a push built-in plate, the bottom of the push built-in plate is fixedly provided with a butt joint outer threaded sleeve, the outer surface of the butt joint outer threaded sleeve is threadedly butt jointed with the inner wall of the inner plug sampling cylinder, the front and back surfaces of the push built-in plate are provided with two inner sliding blocks, the inner wall of the outer sleeve is provided with a longitudinal sliding groove matched with the inner sliding block, and one end of the inner sliding block is inserted into the longitudinal sliding groove formed in the inner wall of the outer sleeve.

[0010] Preferably, the top of the push built-in plate is fixedly provided with a reinforcing threaded push cylinder, and the inner circle of the reinforcing threaded push cylinder is threadedly sleeved with the surface of the center threaded push pipe.

[0011] Preferably, the bottom of the outer sleeve is fixedly connected with a ground contact flat plate, and the top surface of the ground contact flat plate is fixedly provided with a stepping block, the inner wall of the stepping block is fixedly welded with the surface of the outer sleeve, and the surface of the outer sleeve is fixedly provided with a stable grip handle.

[0012] (Three) beneficial effects

[0013] The land survey soil sampling device has the following beneficial effects:

[0014] (1), the land survey soil sampling device, through the setting of the outer sleeve rotating butt joint pipe, drive the thread displacement of the clamping sleeve, make its top cap cylinder can be stably installed butt joint in the top end of the outer sleeve, and cooperate with the clamping of the clamping arc disc, so that it can quickly detach the inner plug sampling cylinder from the inside of the outer sleeve, and cooperate with the use of the butt joint outer thread sleeve, so that its parts can be quickly disassembled, so as to facilitate the cleaning and maintenance after use, and through the thread pushing principle of the center thread pushing pipe and the pushing built-in plate, the inner plug sampling cylinder can be pushed and pulled in the vertical direction of the outer sleeve, so that when sampling soil, the forward rotation of the center thread pushing pipe drives the stable downward displacement of the inner plug sampling cylinder, that is, the inner plug sampling cylinder is inserted into the soil, the soil sampled is sleeved in the inner plug sampling cylinder for sampling, the reverse rotation of the center thread pushing pipe drives the outer sleeve to shrink upward displacement, and the piston pushing block plate stably pushes the soil sampled in the inner plug sampling cylinder from the end, and then the soil cylinder sampled in the inner plug sampling cylinder is pushed out completely and quickly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the internal schematic diagram of the utility model;

[0017] Figure 3 It is the A place of the utility model Figure 1 Enlarged detail view;

[0018] Figure 4 It is the B place of the utility model Figure 2 Enlarged detail view;

[0019] Figure 5 It is the C place of the utility model Figure 2 Enlarged detail view;

[0020] Figure 6 It is the D place of the utility model Figure 4 Enlarged detail view;

[0021] Figure 7 It is the structure clamping sleeve and the clamping sleeve clamping view of the utility model;

[0022] Figure 8 It is the sectional view of the structure clamping sleeve of the utility model.

[0023] In the figure: 1, the outer sleeve; 2, the inner sampling cylinder; 3, the top cover cap cylinder; 4, the center threaded push tube; 5, the piston push block plate; 6, the rotating handle disc; 7, the clamping arc disc; 8, the clamping sleeve; 9, the outer sleeve rotary butt joint tube; 10, the push built-in plate; 11, the reinforced threaded push cylinder; 12, the inner sliding block; 13, the longitudinal sliding groove; 14, the ground contact flat plate; 15, the stepping block; 16, the stable handle; 17, the butt joint outer threaded sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] As Figures 1-8The utility model provides a technical scheme: a land investigation soil sampling device, including outer sleeve 1 and inner interpolation sampling cylinder 2, the bottom of outer sleeve 1 is fixedly connected with ground contact flat plate 14 along the mouth, and the top surface of ground contact flat plate 14 is fixedly provided with treading block 15, the inner wall of treading block 15 is fixedly welded with the surface of outer sleeve 1, through the setting of ground contact flat plate 14 and treading block 15, thereby played the effect of convenient positioning outer sleeve 1, and make its the device can be stably supported on the sampling soil surface, the top of inner interpolation sampling cylinder 2 is inserted into the inside of outer sleeve 1, and the top of outer sleeve 1 is provided with top cover cap cylinder 3, and the top end of outer sleeve 1 is inserted into the inside of top cover cap cylinder 3, and the both sides of the bottom of top cover cap cylinder 3 along the mouth are fixedly provided with clamping arc disc 7, the upper surface of outer sleeve 1 is provided with screw groove, and outer sleeve 1 is screw-jointed with outer sleeve rotating butt joint pipe 9 at screw groove, through the setting of outer sleeve rotating butt joint pipe 9, utilizes the screw downward displacement of outer sleeve rotating butt joint pipe 9 on the outer surface of outer sleeve 1, so that it can adjust the butt joint extrusion intensity between top cover cap cylinder 3 and outer sleeve 1 according to the demand at any time, so that the rotation of central screw push pipe 4 does not affect the effect of driving top cover cap cylinder 3 to rotate, the top of outer sleeve rotating butt joint pipe 9 is rotatably connected with clamping sleeve 8 along the mouth, the bottom plate of clamping sleeve 8 is movably sleeved on the surface of outer sleeve 1, and the annular groove in the inner ring of clamping sleeve 8 movably sleeves the surface of two clamping arc discs 7, the inner wall of clamping sleeve 8 is provided with sliding longitudinal slot for cooperating with clamping arc disc 7, through the setting of clamping arc disc 7 and clamping sleeve 8, so that it utilizes the rotation of top cover cap cylinder 3 by one hundred and eighty degrees, so that clamping arc disc 7 is rotated to the sliding longitudinal slot in the inner wall of clamping sleeve 8, is convenient to slide out, so that it can quickly and conveniently separate inner interpolation sampling cylinder 2 from outer sleeve 1, to facilitate later cleaning and maintenance, the inside of inner interpolation sampling cylinder 2 is provided with central screw push pipe 4, the bottom end of central screw push pipe 4 is fixedly provided with piston push block plate 5, and the top end of central screw push pipe 4 passes through the middle part of top cover cap cylinder 3, and its tail end extends to the outside of top cover cap cylinder 3, the surface of central screw push pipe 4 is screw-jointed with push built-in plate 10, the bottom of push built-in plate 10 is fixedly provided with butt joint outer thread sleeve 17, the outer surface of butt joint outer thread sleeve 17 is screw-jointed with the inner wall of inner interpolation sampling cylinder 2, through the setting of butt joint outer thread sleeve 17, so that inner interpolation sampling cylinder 2 and push built-in plate 10 can be separated at any time, to facilitate the effect of cleaning and maintenance, the front and back of push built-in plate 10 are provided with two inner slides 12, the inner wall of outer sleeve 1 is provided with longitudinal sliding groove 13 for cooperating with inner slide 12, and one end of inner slide 12 is inserted into longitudinal sliding groove 13 in the inner wall of outer sleeve 1, through the setting of push built-in plate 10 and inner slide 12, so that it passes through the rotation of central screw push pipe 4, utilizes the screw displacement principle of central screw push pipe 4 and push built-in plate 10, and the sliding constraint displacement of inner slide 12 in longitudinal sliding groove 13,The effect of enabling the inner push plate 10 to drive the inner sampling cylinder 2 to extend and retract inside the outer sleeve 1, and the effect of enabling the piston push block plate 5 at the bottom end of the central threaded push tube 4 to push the sampled soil cylinder inside the inner sampling cylinder 2 at any time, the top of the inner push plate 10 is fixedly provided with a reinforced threaded push cylinder 11, the inner circle of the reinforced threaded push cylinder 11 is sleeved with the surface threads of the central threaded push tube 4, through the arrangement of the reinforced threaded push cylinder 11, the stability of the threaded sleeve of the inner push plate 10 and the central threaded push tube 4 is strengthened, the surface of the central threaded push tube 4 is rotationally connected with the inner wall of the cap cylinder 3, the bottom surface of the piston push block plate 5 is provided with a wear-resistant pad, the top end of the central threaded push tube 4 is fixedly connected with a rotating handle disc 6, through the arrangement of the rotating handle disc 6, the effect of facilitating the rotation of the central threaded push tube 4 is achieved, the surface of the outer sleeve 1 is fixedly provided with a stable handle 16, through the arrangement of the stable handle 16, the effect of facilitating the stability of the device is achieved.

[0026] In use, directly place the ground contact flat plate 14 on the area of the soil to be sampled, then step on the stepping block 15, then hold the rotating handle disc 6, drive the central threaded push tube 4 to rotate, use the threaded displacement principle of the central threaded push tube 4 and the inner push plate 10, push the inner sampling cylinder 2 downward through the inner push plate 10, stably insert the inner sampling cylinder 2 into the sampled soil, until the sampling depth is reached, then pull out the device, when it is needed to take out the sampled soil in the inner sampling cylinder 2, reverse rotate the rotating handle disc 6, use the inner push plate 10 to drive the inner sampling cylinder 2 to displace upward, make the inner sampling cylinder 2 retract inside the outer sleeve 1, use the piston push block plate 5 to push the sampled soil cylinder out of the inner sampling cylinder 2, when it is needed to clean and maintain the inner sampling cylinder 2 and the outer sleeve 1, slightly rotate the outer sleeve rotating butt joint tube 9, through the downward threaded displacement of the outer sleeve 1, the inner wall of the cap cylinder 3 is separated from the top of the outer sleeve 1, then rotate the cap cylinder 3 by one hundred and eighty degrees, make the clamping arc disc 7 rotate to the slide longitudinal slot on the inner wall of the clamping sleeve 8, then pull the cap cylinder 3 upward, pull the inner sampling cylinder 2 and the inner push plate 10 out of the outer sleeve 1, then rotate the inner push plate 10 independently, make the inner sampling cylinder 2 and the butt joint outer threaded sleeve 17 on the inner push plate 10 threadedly separate, then the inner sampling cylinder 2, the outer sleeve 1, and the inner push plate 10 and the central threaded push tube 4 are all disassembled and separated, so as to clean and maintain, meanwhile, the contents not described in detail in the specification all belong to the prior art known to the person skilled in the art.

[0027] In conclusion, the soil sampling device for land survey, through the setting of the outer sleeve rotating butt joint pipe 9, drives the threaded displacement of the clamping sleeve 8, so that the top cap cylinder 3 can be stably installed and butt joint at the top end of the outer sleeve 1, and cooperates with the clamping of the clamping arc disc 7, so that it can quickly detach and pull out the inner plug sampling cylinder 2 from the inside of the outer sleeve 1, and cooperates with the use of the butt joint outer threaded sleeve 17, so that each part can be quickly disassembled for cleaning and maintenance after use, and through the threaded pushing principle of the center threaded push pipe 4 and the push built-in plate 10, the inner plug sampling cylinder 2 can be vertically pushed and pulled in the inside of the outer sleeve 1, so that when sampling soil, the forward rotation of the center threaded push pipe 4 drives the stable downward displacement of the inner plug sampling cylinder 2, that is, the inner plug sampling cylinder 2 is inserted into the soil, the sampled soil is sleeved in the inner plug sampling cylinder 2 for sampling, the reverse rotation of the center threaded push pipe 4 drives the inner plug sampling cylinder 2 to shrink and displace upward in the inside of the outer sleeve 1, the piston push block plate 5 stably pushes the sampled soil in the inner plug sampling cylinder 2 from the end, and then the sampled soil cylinder in the inner plug sampling cylinder 2 is pushed out completely and quickly.

[0028] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply that these entities or actions exist in any actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A soil sampling device for land survey, comprising an outer casing (1) and an inner sampling tube (2), characterized in that: The top of the inner sampling tube (2) is slidably inserted into the interior of the outer sleeve (1). A top cap (3) is provided above the outer sleeve (1), and the top of the outer sleeve (1) is inserted into the interior of the top cap (3). A central threaded push tube (4) is provided inside the inner sampling tube (2). A piston push plate (5) is fixedly provided at the bottom end of the central threaded push tube (4), and the top end of the central threaded push tube (4) passes through the middle of the top cap (3), and its end extends to the outside of the top cap (3). The surface of the central threaded push tube (4) is rotatably connected to the inner wall of the top cap (3). A wear-resistant pad is provided on the bottom surface of the piston push plate (5), and a rotating handle disc (6) is fixedly connected to the top end of the central threaded push tube (4).

2. The land survey soil sampling device according to claim 1, characterized in that: The top cap tube (3) has a locking arc plate (7) fixedly installed on both sides of the bottom edge. The upper surface of the outer sleeve (1) has a threaded groove. The outer sleeve (1) is threaded with an outer sleeve rotating coupling tube (9). The top edge of the outer sleeve rotating coupling tube (9) is rotatably connected to a locking sleeve (8). The bottom plate of the locking sleeve (8) is movably fitted on the surface of the outer sleeve (1), and the inner ring of the locking sleeve (8) is movably fitted on the surface of the two locking arc plates (7) in the annular groove. The inner wall of the locking sleeve (8) has a sliding longitudinal groove for use with the locking arc plate (7).

3. The land survey soil sampling device according to claim 1, characterized in that: The central threaded push tube (4) is threaded with a push-inner plate (10). The bottom of the push-inner plate (10) is fixedly provided with a mating external threaded sleeve (17). The outer surface of the mating external threaded sleeve (17) is threadedly connected to the inner wall of the inner insertion sampling cylinder (2). The push-inner plate (10) is provided with two inner sliders (12) on both the front and back sides. The inner wall of the outer sleeve (1) is provided with a longitudinal groove (13) for use with the inner sliders (12). One end of the inner slider (12) is inserted into the longitudinal groove (13) opened on the inner wall of the outer sleeve (1).

4. The land survey soil sampling device according to claim 3, characterized in that: The top of the push-in plate (10) is fixedly provided with a reinforcing threaded push cylinder (11), and the inner ring of the reinforcing threaded push cylinder (11) is threadedly connected to the surface of the central threaded push tube (4).

5. The soil sampling device for land surveys according to claim 1, characterized in that: The bottom edge of the outer sleeve (1) is fixedly connected to a ground contact plate (14), and a stepping block (15) is fixedly provided on the top surface of the ground contact plate (14). The inner wall of the stepping block (15) is fixedly welded to the surface of the outer sleeve (1), and a stable handle (16) is fixedly provided on the surface of the outer sleeve (1).

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