An engineering sampling device

Abstract

The present invention discloses an engineering sampling device, which relates to the technical field of engineering detection. The key points of its technical solution include a spiral cutter body composed of a plurality of spiral monomers and a cutting cutter body composed of a plurality of cutting monomers. The cutting cutter body is located inside the spiral cutter body, and the spiral cutter body is connected with a spiral driving member for spirally inserting into the soil layer. A cutter body interval is formed between two adjacent spiral monomers. The width of the cutting cutter body is greater than the width of the cutter body interval, and the cutting cutter body is connected with a cutting driving member for driving and running axially to cover the cutter body interval. In the present invention, the spiral driving member drives the spiral cutter body and the cutting cutter body to rotate synchronously in a spiral manner and then insert into the soil layer to a corresponding depth. Then, the cutting driving member drives the cutting cutter body to make a downward movement along the axis to cut the soil layer located between the cutter body intervals, so as to achieve the effect of accurately measuring the soil layer at a corresponding depth after taking out the soil layer.

Description

Technical Field

[0001] The present invention relates to the technical field of engineering detection, and more specifically, it relates to an engineering sampling device. Background Art

[0002] Geotechnical engineering takes solving engineering problems of rock masses and soil masses, including problems such as foundations and bases, slopes, and underground projects, as its research object.

[0003] The methods and tools for geotechnical engineering sampling will vary according to specific situations. Common sampling methods include manual sampling and mechanical sampling. Manual sampling is usually used for relatively shallow soil layers, and tools such as shovels and drills can be used for sampling. Mechanical sampling is applicable to relatively deep soil layers or relatively hard rocks, and equipment such as drills and core drills can be used for sampling.

[0004] However, whether it is manual sampling or mechanical sampling, it is difficult to completely take out the soil layer at the corresponding depth. Therefore, when conducting sampling tests on soil layers at different depths, it is difficult to achieve high-precision detection of the corresponding depth of the soil layer, and there is room for improvement. Summary of the Invention

[0005] In view of this, the purpose of this application is to provide an engineering sampling device to achieve the purpose of improving the accuracy of the detection results of soil layers at different depths. The specific scheme is as follows:

[0006] An engineering sampling device includes a spiral cutter body composed of multiple spiral monomers and a cutting cutter body composed of multiple cutting monomers. The cutting cutter body is located inside the spiral cutter body, and the spiral cutter body is connected with a spiral driving part for spirally inserting into the soil layer; a cutter body interval is formed between two adjacent spiral monomers. The width of the cutting cutter body is greater than the width of the cutter body interval, and the cutting cutter body is connected with a cutting driving part for axially driving and covering the cutter body interval.

[0007] Preferably: an outer lower cutting surface is provided at the lower end of the outer side of the spiral cutter body, and an inner lower cutting surface is provided at the lower end of the inner side of the cutting cutter body.

[0008] Preferably: a driving disk for driving rotation is provided at the top of the spiral cutter body. A positioning shaft column is detachably connected to the center of the driving disk, and the bottom height of the positioning shaft column is lower than the bottom height of the spiral cutter body.

[0009] Preferably: a polygonal connecting column is provided at the top of the positioning shaft column, and a discharge hole is provided inside the positioning shaft column.

[0010] Preferably: a driving ring body is provided at the top of the driving disk. The bottom of the driving ring body penetrates through the driving disk from top to bottom and is used for driving the cutting cutter body to move downward.

[0011] Preferably: a cutting bladder is provided at the bottom of the driving disk, a lower driving plate that moves relatively up and down in a sealed manner is provided at the bottom of the cutting bladder, and the lower driving plate is fixedly connected to the bottom of the driving ring body; a bladder cavity filled with liquid is provided in the cutting bladder, an elastic body for pushing the lower driving plate downward is provided in the bladder cavity, and the top of the cutting blade body is detachably connected to a plug-in part inserted into the cutting bladder.

[0012] Preferably: a lifter is provided at the top of the driving disk, and the lifter is used to drive the driving ring body to perform a linear motion toward or away from the driving disk.

[0013] Preferably: a driving motor is detachably connected to the top of the positioning shaft column, and the driving motor is connected to a fixed frame body.

[0014] Preferably: the fixed frame body includes a supporting bottom plate, the middle part of the supporting bottom plate is penetrated from top to bottom by the spiral blade body, and a gap for scraping the outer soil layer is formed; two brackets symmetrically distributed left and right are provided on the upper side of the supporting bottom plate, and the driving motor is slidably connected to the brackets up and down.

[0015] Preferably: lifting limit grooves distributed in the vertical direction are provided on the inner sides of the brackets, a lifting rod is detachably connected to the top of the driving motor, and both ends of the lifting rod respectively match with the corresponding lifting limit grooves; fixing lock rods respectively connected and fixed to the tops of the corresponding brackets are provided at the top of the supporting bottom plate, and the fixing lock rods are used to be detachably connected to the lifting rod.

[0016] Through the above solutions, the present application provides an engineering sampling device. This engineering sampling device first uses a spiral driving member to drive the spiral blade body and the cutting blade body to rotate synchronously in a spiral manner and then insert into the soil layer to a corresponding depth. Then, a cutting driving member drives the cutting blade body to perform a downward movement along the axial direction, so as to cut the soil layer located between two adjacent spiral blade bodies with a cutting blade body whose width is greater than the width of the blade interval, thereby effectively separating and cutting to form a soil layer structure with a corresponding depth, so as to achieve the effect of accurately measuring the soil layer with a corresponding depth after taking out the soil layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of Embodiment 1 of the present application;

[0018] Figure 2 is a schematic cross-sectional structural diagram of Embodiment 1 of the present application;

[0019] Figure 3 is a schematic structural diagram of Embodiment 2 of the present application.

[0020] Description of reference numerals: 1. Spiral cutter body; 11. Outer lower cutting surface; 2. Cutting cutter body; 21. Inner lower cutting surface; 3. Cutter body interval; 4. Driving disk; 5. Positioning shaft column; 51. Connecting column; 52. Discharge hole; 6. Driving ring body; 61. Lifter; 7. Cutting bladder body; 71. Lower driving plate; 72. Bladder cavity; 73. Insertion part; 8. Driving motor; 81. Hoisting rod; 9. Support bottom plate; 91. Bracket; 92. Lifting limit groove; 93. Fixed lock rod. Detailed implementation manners

[0021] To make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a 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 of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present application.

[0022] Embodiment 1

[0023] As Figure 1 shown, an engineering sampling device includes a spiral cutter body 1 composed of multiple spiral monomers and a cutting cutter body 2 composed of multiple cutting monomers. Among them, the cutting cutter body 2 is located inside the spiral cutter body 1, and the spiral cutter body 1 is connected with a spiral driving member for spirally inserting into the soil layer. The spiral driving member drives the spiral cutter body 1 to rotate, so that the head of the spiral driving member is inserted into the soil layer from top to bottom in a spiral rotation posture, and the formed channel is for the upper spiral monomer to insert, so as to cut into the soil layer from top to bottom in a form of small-area contact, and achieve the purpose of avoiding affecting soil layers at different depths.

[0024] It should be mentioned that a cutter body interval 3 is formed between two adjacent spiral monomers. The width of the cutting cutter body 2 is greater than the width of the cutter body interval 3, and the cutting cutter body 2 is connected with a cutting driving member for axially driving and covering the cutter body interval 3. The cutting driving member drives the cutting monomer to move downward from the inside of the corresponding spiral monomer and cuts the soil layer between the cutter body intervals 3, so as to reduce the cutting influence on soil layers at different depths based on a small-spacing cutting form.

[0025] To improve the cutting effect of the spiral cutter body 1 and the cutting cutter body 2 on soil layers at different depths, an outer lower cutting surface 11 is provided at the outer lower end of the spiral cutter body 1, and an inner lower cutting surface 21 is provided at the inner lower end of the cutting cutter body 2. The outer lower cutting surface 11 and the inner lower cutting surface 21 cooperate to achieve effective cutting of the soil layer, so as to increase the contact pressure with the soil layer while reducing the cutting influence on soil layers at different depths.

[0026] As Figure 1 、 Figure 2As shown, a driving disk 4 for driving rotation is provided at the top end of the spiral cutter body 1, and a positioning shaft column 5 is detachably connected to the axis center of the driving disk 4. Among them, the bottom height of the positioning shaft column 5 is lower than the bottom height of the spiral cutter body 1. Therefore, when cutting the soil layer to effectively take out the soil layer with the actual depth remaining consistent, the positioning function is achieved by contacting the soil surface with the positioning shaft column 5. Furthermore, when the spiral cutter body 1 drives the cutting cutter body 2 and makes the positioning shaft column 5 perform synchronous rotational movement, synchronous linear movement of the spiral cutter body 1, the cutting cutter body 2, and the positioning shaft column 5 is achieved, and thus a complete and uniformly deep soil layer structure is obtained.

[0027] In the first embodiment of the present application, the engineering sampling device is a handheld small sampling device, and a polygonal connecting column 51 is provided at the top end of the positioning shaft column 5. The polygonal connecting column 51 and the driving disk 4 form a spiral driving member and are used for external connection with the output device to achieve the purpose of driving rotation. In order to prevent the positioning shaft column 5 from penetrating deep into the soil layer and affecting the diffusion of the soil layer to the outside of the positioning shaft column 5 and thus affecting the structure of soil layers at different depths, a discharge hole 52 is provided in the positioning shaft column 5. The discharge hole 52 is used to discharge the soil layer structure located at the positioning shaft column 5, so as to improve the sampling efficiency and the sampling accuracy of soil layers at different depths.

[0028] Meanwhile, the cutting driving member is a driving ring body 6 located at the top end of the driving disk 4. The bottom of the driving ring body 6 penetrates through the driving disk 4 from top to bottom and is used to drive the cutting cutter body 2 to move downward. The effective operation of the driving ring body 6 can be achieved by lifting and pressing the driving ring body 6 by hand. Among them, a cutting bladder 7 is provided at the bottom of the driving disk 4. A lower driving plate 71 that makes relative up and down sealing movement is provided at the bottom of the cutting bladder 7. The lower driving plate 71 is connected to the cutting bladder 7 through a flexible sealing material such as rubber, and the lower driving plate 71 is fixedly connected to the bottom of the driving ring body 6. It should be mentioned that a bladder cavity 72 filled with liquid is provided in the cutting bladder 7, and an elastic body for pushing the lower driving plate 71 downward is provided in the bladder cavity 72. The top of the cutting cutter body 2 is detachably connected to a plugging portion 73 inserted into the cutting bladder 7, and the plugging portion 73 is in sealed sliding connection with the cutting bladder 7 to prevent the liquid in the bladder cavity 72 from overflowing and to achieve the purpose of pushing the cutting cutter body 2 downward by the liquid in the bladder cavity 72 to cut the soil layer at the corresponding depth. The liquid can be hydraulic oil, etc., which will not be elaborated here.

[0029] When the current driving plate 71 moves upward, the cutting blade body 2 descends, and a gap will be formed between the lower driving plate 71 and the topmost soil layer, which has the effect of forming negative pressure and adsorbing the soil layer, and further effectively avoids the effect that the soil layer falls off between the spiral blade body 1 and the cutting blade body 2 of this engineering sampling device due to gravity. After taking out this engineering sampling device from the soil layer, resetting the lower driving plate 71 and the cutting blade body 2 will expose the soil layer located between the blade intervals 3, so as to be used for directly sampling and detecting soil layers at different depths, thereby significantly improving the sampling and detection accuracy of soil layers at different depths.

[0030] Embodiment 2

[0031] As Figure 3 shown, an engineering sampling device includes a spiral blade body 1 composed of multiple spiral monomers and a cutting blade body 2 composed of multiple cutting monomers. Among them, the cutting blade body 2 is located inside the spiral blade body 1, and the spiral blade body 1 is connected with a spiral driving part for spirally inserting into the soil layer. The spiral driving part drives the spiral blade body 1 to rotate, so that the head of the spiral driving part inserts into the soil layer from top to bottom in a spiral rotation posture, and the formed channel is for the upper spiral monomers to insert, so as to cut into the soil layer from top to bottom in the form of small-area contact, and achieve the purpose of avoiding affecting soil layers at different depths.

[0032] It should be mentioned that a blade interval 3 is formed between two adjacent spiral monomers. The width of the cutting blade body 2 is greater than the width of the blade interval 3, and the cutting blade body 2 is connected with a cutting driving part for axially driving and covering the blade interval 3. The cutting driving part drives the cutting monomers to move downward from the inside of the corresponding spiral monomer and cuts the soil layer located between the blade intervals 3, so as to reduce the cutting influence on soil layers at different depths based on the cutting form of small spacing.

[0033] In order to improve the cutting effect of the spiral blade body 1 and the cutting blade body 2 on soil layers at different depths, an outer lower cutting surface 11 is provided at the lower end of the outside of the spiral blade body 1, and an inner lower cutting surface 21 is provided at the lower end of the inside of the cutting blade body 2. The outer lower cutting surface 11 and the inner lower cutting surface 21 cooperate to achieve effective cutting of the soil layer, so as to increase the contact pressure with the soil layer while reducing the cutting influence on soil layers at different depths.

[0034] As Figure 3As shown in the figure, a driving disk 4 for driving rotation is provided at the top end of the spiral cutter body 1, and a positioning shaft column 5 is detachably connected to the axis center of the driving disk 4. Among them, the bottom height of the positioning shaft column 5 is lower than the bottom height of the spiral cutter body 1. Therefore, when cutting the soil layer to effectively take out the soil layer with the actual depth remaining consistent, the positioning function is achieved by the contact between the positioning shaft column 5 and the soil layer surface. Furthermore, when the spiral cutter body 1 drives the cutting cutter body 2 and makes the positioning shaft column 5 perform synchronous rotational movement, the spiral cutter body 1, the cutting cutter body 2, and the positioning shaft column 5 are made to perform synchronous linear movement, and thus a complete and consistent-depth soil layer structure is obtained.

[0035] In the second embodiment of the present application, the engineering sampling device is a mobile large-scale sampling device, and a polygonal connecting column 51 is provided at the top end of the positioning shaft column 5. The polygonal connecting column 51 and the driving disk 4 form a spiral driving member and are used for external connection with the output device to achieve the purpose of driving rotation. In order to prevent the positioning shaft column 5 from penetrating deep into the soil layer and affecting the diffusion of the soil layer to the outside of the positioning shaft column 5 and thus affecting the structure of soil layers at different depths, a discharge hole 52 is provided in the positioning shaft column 5. The discharge hole 52 is connected with exhaust holes distributed radially. The discharge hole 52 is used to discharge the soil layer structure located at the positioning shaft column 5, so as to improve the sampling efficiency and the sampling accuracy of soil layers at different depths while enhancing the sampling efficiency.

[0036] At the same time, the cutting driving member is a driving ring body 6 located at the top end of the driving disk 4. The bottom of the driving ring body 6 penetrates through the driving disk 4 from top to bottom and is used to drive the cutting cutter body 2 to move downward. Among them, a cutting bladder 7 is provided at the bottom of the driving disk 4. A lower driving plate 71 that makes relative up-and-down sealed movement is provided at the bottom of the cutting bladder 7. The lower driving plate 71 is connected to the cutting bladder 7 through a flexible sealing material such as rubber, and the lower driving plate 71 is fixedly connected to the bottom of the driving ring body 6. It should be mentioned that a bladder cavity 72 filled with liquid is provided in the cutting bladder 7, and an elastic body for pushing the lower driving plate 71 downward is provided in the bladder cavity 72. The top of the cutting cutter body 2 is detachably connected to a plug-in part 73 inserted into the cutting bladder 7, and the plug-in part 73 and the cutting bladder 7 are in sealed sliding connection to prevent the liquid in the bladder cavity 72 from overflowing and to achieve the purpose of driving the cutting cutter body 2 to move downward through the liquid in the bladder cavity 72 to cut the soil layer at the corresponding depth. The liquid can be hydraulic oil, etc., which will not be elaborated here.

[0037] When the lower drive plate 71 moves upward, the cutting blade body 2 descends, and a gap is formed between the lower drive plate 71 and the topmost soil layer, which has the effect of forming negative pressure and adsorbing the soil layer, and further effectively avoids the effect that the soil layer falls off between the spiral blade body 1 and the cutting blade body 2 of the engineering sampling device due to gravity. After the engineering sampling device is taken out of the soil layer, resetting the lower drive plate 71 and the cutting blade body 2 will expose the soil layer located between the blade intervals 3, so as to be used for directly sampling and detecting soil layers at different depths, thereby significantly improving the sampling and detection accuracy of soil layers at different depths.

[0038] Among them, a lifter 61 is provided on the top of the drive disk 4. The lifter 61 is used to drive the drive ring body 6 to perform linear motion toward or away from the drive disk 4, so as to achieve the purpose of automatically driving the cutting blade body 2. At the same time, a drive motor 8 is detachably connected to the top of the positioning shaft column 5, and the drive motor 8 is connected with a fixed frame body. The fixed frame body plays a role in supporting and connecting the drive motor 8, and the fixed frame body includes a support bottom plate 9. The middle part of the support bottom plate 9 is penetrated by the spiral blade body 1 from top to bottom, and a gap for scraping the outer soil layer is formed, and the gap is controlled to be 1 - 3 cm. Two brackets 91 symmetrically distributed left and right are arranged on the upper side of the support bottom plate 9, and the drive motor 8 is slidably connected to the brackets 91 up and down. Among them, a lifting limit groove 92 distributed in the vertical direction is arranged inside the brackets 91. The top of the drive motor 8 is detachably connected with a lifting rod 81. The two ends of the lifting rod 81 respectively match the corresponding lifting limit grooves 92. A fixed locking rod 93 whose two ends are respectively connected and fixed to the tops of the corresponding brackets 91 is arranged on the top of the support bottom plate 9, and the fixed locking rod 93 is used for detachably connecting with the lifting rod 81. Therefore, when using the engineering sampling device in Embodiment 2 of the present application, place the support bottom plate 9 of the engineering sampling device at the position of soil layer sampling. At this time, the fixed locking rod 93 is connected and fixed to the lifting rod 81 to prevent the drive motor 8 from falling. In Embodiment 2 of the present application, the fixed locking rod 93 and the lifting rod 81 are connected by vertical bolts and threads. Furthermore, when the bolts are loosened, the lifting rod 81 will drive the drive motor 8, the spiral blade body 1 and the cutting blade body 2 to descend until the spiral blade body 1 contacts the soil layer surface, and then the fixed locking rod 93 and the lifting rod 81 are separated. Then, through the drive of the drive motor 8, the spiral blade body 1 is driven to spiral into the soil layer to effectively cut the soil layer at the corresponding depth, achieving the purposes of convenient use, fast cutting and high-precision cutting.

[0039] In summary, the present application provides an engineering sampling device. The engineering sampling device first uses a spiral driving member to drive the spiral cutter body 1 and the cutting cutter body 2 to rotate synchronously in a spiral manner, and then inserts them into the soil layer to a corresponding depth. Then, the cutting driving member drives the cutting cutter body 2 to move downward along the axis, so as to cut the soil layer located between two adjacent spiral cutter bodies 1 by the cutting cutter body 2 with a width greater than the width of the cutter body interval 3, thereby effectively separating and cutting to form a soil layer structure at a corresponding depth, so as to achieve the effect of accurately measuring the soil layer at a corresponding depth after taking out the soil layer.

[0040] The "first", "second", "third", "fourth", etc. (if any) involved in the present application are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments described here can be implemented in an order different from that shown or described here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods or devices.

[0041] It should be noted that the descriptions involving "first", "second", etc. in the present application are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those skilled in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0042] In this article, specific examples are used to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application; at the same time, for those of ordinary skill in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. An engineering sampling device, characterized in that: The invention comprises a spiral cutter body (1) composed of a plurality of spiral monomers and a cutting cutter body (2) composed of a plurality of cutting monomers, wherein the cutting cutter body (2) is located on the inner side of the spiral cutter body (1), and the spiral cutter body (1) is connected to a spiral driving member for spirally inserting into a soil layer; a cutter body gap (3) is formed between two adjacent spiral monomers, the width of the cutting cutter body (2) is greater than the width of the cutter body gap (3), and the cutting cutter body (2) is connected to a cutting driving member for driving the cutter body in an axial direction and covering the cutter body gap (3); a driving disc (4) for driving the cutter body (1) is provided at the top end, and a positioning shaft column (5) is detachably connected to the axis of the driving disc (4), and the bottom height of the positioning shaft column (5) is lower than that of the spiral cutter body. (1) bottom height; a driving ring body (6) is provided at the top of the driving disc (4), the bottom of the driving ring body (6) passes through the driving disc (4) from top to bottom and is used to drive the cutting blade (2) to move downward; a cutting capsule (7) is provided at the bottom of the driving disc (4), a lower driving plate (71) for relatively upward and downward sealing movement is provided at the bottom of the cutting capsule (7), and the lower driving plate (71) is connected and fixed to the bottom of the driving ring body (6); a liquid-filled capsule cavity (72) is provided in the cutting capsule (7), an elastic body for pushing the lower driving plate (71) downward is provided in the capsule cavity (72), and the top of the cutting blade (2) is detachably connected to the plug-in portion (73) plugged into the cutting capsule (7); The outer lower end of the spiral blade body (1) is provided with an outer lower cutting surface (11), and the inner lower end of the cutting blade body (2) is provided with an inner lower cutting surface (21); The engineering sampling device first uses a spiral drive to drive a spiral cutter body (1) and a cutting cutter body (2) to rotate synchronously in a spiral manner, and then inserts the spiral cutter body (1) into a corresponding depth in the soil layer. Then, the cutting drive drives the cutting cutter body (2) to perform an axial downward movement, so that the soil layer located between two adjacent spiral cutter bodies (1) is cut by the cutting cutter body (2) having a width greater than the width of the cutter body interval (3).

2. An engineering sampling device according to claim 1, characterized in that: A polygonal connecting column (51) is provided at the top end of the positioning shaft column (5), and a discharge hole (52) is provided inside the positioning shaft column (5).

3. An engineering sampling device according to claim 1 or 2, characterized in that: A lifter (61) is provided on the top of the driving disk (4), and the lifter (61) is used to drive the driving ring body (6) to perform linear movement toward or away from the driving disk (4).

4. An engineering sampling device according to claim 3, characterized in that: The top of the positioning shaft column (5) is detachably connected to a driving motor (8), and the driving motor (8) is connected to a fixed frame.

5. An engineering sampling device according to claim 4, characterized in that: The fixed frame comprises a supporting base plate (9), the middle portion of which is penetrated from top to bottom by the spiral cutter body (1) and forms a gap for scraping off the outer soil layer; two brackets (91) symmetrically distributed on the left and right are provided on the upper side of the supporting base plate (9), and the driving motor (8) is connected to the brackets (91) in an upward and downward sliding manner.

6. An engineering sampling device according to claim 5, characterized in that: The inner side of the bracket (91) is provided with a lifting limit groove (92) distributed in the vertical direction, and the top of the driving motor (8) is detachably connected to a lifting rod (81), and the two ends of the lifting rod (81) are respectively matched with the corresponding lifting limit groove (92); the top of the supporting base plate (9) is provided with a fixed locking rod (93) whose two ends are respectively connected and fixed to the top of the corresponding bracket (91), and the fixed locking rod (93) is used for detachably connecting with the lifting rod (81).

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