A device and method for rapid determination of the hardness of contaminated compacted soil

Abstract

The present application relates to a kind of hardening of pollution soil hardness rapid determination device and method, the device includes: box;Lower pressing component: it includes the rotation lever that can be moved up and down along vertical direction through the top of box;Pressure measuring component: it includes the pressure sensor located at the bottom end of the rotation lever and is fixedly connected with the rotation lever, and measurement column is rotationally connected with the pressure sensor, the measurement column is coaxial with the rotation lever, and the lower end of the measurement column penetrates the bottom of the box.Compared with prior art, the present application ensures that the pressure sensor is uniformly stressed by setting a fixed table, accurate measurement, reduces measurement error;By setting fixing block, fixed measurement column, prevent measurement column from rotating, tilting when in use, measurement error occurs;By setting protection door, the safety of device when in use and the durability of device when not in use are improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of soil detection, and relates to a device and method for rapidly measuring the hardness of contaminated and hardened soil. BACKGROUND

[0002] Soil hardening refers to the phenomenon that the surface of soil is hardened due to the lack of organic matter, the pollution of plastic waste, the accumulation of harmful substances, the long-term single and biased application of chemical fertilizer and other factors, which lead to poor soil structure.

[0003] The measurement of the hardness of contaminated and hardened soil is the detection of the hardening of soil in a contaminated area caused by various factors. At present, the degree of soil hardening is measured by a pressure detector. In the detection process, the pressure plate is pressed to make the pressure plate contact with the hardened soil, so as to obtain test data. However, the test soil often has protrusions, the pressure plate is unevenly stressed, and therefore errors are easily generated in the detection process, which affects the detection result. SUMMARY

[0004] The application aims to provide a device and method for rapidly measuring the hardness of contaminated and hardened soil, so as to overcome the defects of large measurement error of the hardness of contaminated soil in the prior art.

[0005] The object of the application can be achieved by the following technical solutions.

[0006] One of the technical solutions of the application provides a device for rapidly measuring the hardness of contaminated and hardened soil, which comprises:

[0007] a box body;

[0008] a pressing assembly comprising a rotating rod penetrating through the top of the box body and vertically movable up and down;

[0009] a pressure measuring assembly comprising a pressure sensor fixedly connected to the bottom end of the rotating rod and a measuring column rotationally connected to the pressure sensor, the measuring column being coaxial with the rotating rod, and the lower end of the measuring column penetrating through the bottom of the box body.

[0010] Further, the rotating rod is threadedly connected to the top of the box body.

[0011] Further, the pressure measuring assembly further comprises a fixing table for fixing the pressure sensor, an upper surface of the fixing table is provided with a groove fixedly connected with the bottom end of the rotating rod, the pressure sensor is located in the groove, and an upper end of the measuring column is rotationally connected with a lower surface of the fixing table. The groove prevents the pressure sensor from sliding off when the rotating rod rotates.

[0012] Further, the fixing table is further provided with a notch for placing an electric wire.

[0013] Further, an inner bottom of the box body is provided with a fixing block for preventing the measuring column from tilting and rotating. The fixing block can better fix the measuring column, prevent the measuring column from tilting and rotating during measurement, and reduce measurement errors.

[0014] Further, the fixing block is fixedly connected with the box body, the measuring column penetrates through the fixing block, the fixing block is provided with a protrusion, and the measuring column is provided with a groove matched with the protrusion.

[0015] Further, the fixing block is welded with the box body.

[0016] Further, a surface of the measuring column is provided with a scale.

[0017] Further, the pressing assembly further comprises a T-shaped handle located outside the box body and fixedly connected with the rotating rod. The T-shaped handle can drive the rotating rod to rotate, thereby facilitating operation.

[0018] Further, the T-shaped handle is welded with the rotating rod.

[0019] Further, the box body is provided with a protection door which can be opened and closed. The protection door can greatly improve the safety of the device during use and the durability of the device during non-use.

[0020] Further, the protection door is hingedly connected with the box body.

[0021] Further, one side edge of the protection door which can be opened and closed is provided with a clamping block, and the box body is provided with a buckle which can be matched and connected with the clamping block. The clamping block and the buckle can better fix the protection door.

[0022] Further, the clamping block is welded with the protection door, and the buckle is welded with the box body.

[0023] Further, the protection door is provided with a perspective window. The perspective window can more conveniently observe the operation situation of the device, prevent improper operation and timely correct the operation, and can also observe and record the values of the measuring column and the pressure sensor in real time.

[0024] Further, the protection door is provided with a handle for conveniently opening and closing the door.

[0025] Further, the lower surface of the box is provided with a support base for adjusting the stability of the box.

[0026] Further, the support base is provided with a connecting rod which is threadedly connected with the bottom of the box.

[0027] Further, the support base is provided with two pairs of connecting rods.

[0028] Further, the outer surface of the box is provided with a handle.

[0029] Further, the handle is welded with the box.

[0030] Further, the bottom area of the measuring column is 1cm 2 or 2cm 2 .

[0031] The second technical solution of the present application provides a method for rapidly determining the hardness of a contaminated and hardened soil, which is implemented by using the above soil hardness rapid determination device.

[0032] S1: placing the soil hardness rapid determination device above the contaminated soil to be measured, adjusting the support base of the device to stabilize the device, and then sticking the lower end of the measuring column to the soil;

[0033] S2: opening the pressure sensor, closing the protection door, fixing the protection door by using the clamping block and the clamping buckle, applying force to the T-shaped handle to move the rotating rod towards the inside of the box, applying pressure to the pressure sensor and the measuring column by the rotating rod, extruding the lower end of the measuring column to the soil, and then reading the pressure data by the pressure sensor;

[0034] S3: calculating the hardness of the contaminated soil according to the extruding depth of the lower end of the measuring column and the obtained pressure data, and the calculation formula is:

[0035] S=P / x,

[0036] wherein S is the hardness of the contaminated soil, P is the pressure data, and x is the extruding depth.

[0037] Further, the extruding depth is 0.5-3cm.

[0038] Compared with the prior art, the present application has the following advantages:

[0039] (1) The present application sets the fixing table, ensures that the pressure sensor is evenly stressed, measures accurately, and reduces the measurement error;

[0040] (2) The present application sets the fixing block, fixes the measuring column, prevents the measuring column from rotating and tilting during use, and prevents measurement error;

[0041] (3) The present application sets the protection door, improves the safety of the device during use and the durability of the device when not in use, and sets the clamping block and buckle to better fix the protection door. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 It is a structural schematic view of the soil hardness rapid determination device of the present application;

[0043] Figure 2 It is a longitudinal section view of the soil hardness rapid determination device of the present application;

[0044] Figure 3 It is a schematic view of the measuring column and the fixing block of the soil hardness rapid determination device of the present application;

[0045] Figure 4 It is a schematic view of the fixing table of the soil hardness rapid determination device of the present application.

[0046] MARK DESCRIPTION IN THE DRAWINGS:

[0047] 1 - box, 2 - fixing block, 3 - measuring column, 4 - fixing table, 5 - rotating rod, 6 - T-shaped handle, 7 - supporting base, 8 - protection door, 9 - clamping block, 10 - buckle, 11 - perspective window, 12 - handle. DETAILED DESCRIPTION

[0048] The present application will be described in detail below in combination with the drawings and specific embodiments. The present embodiment is implemented on the premise of the technical scheme of the present application, and gives a detailed implementation manner and specific operation process, but the protection scope of the present application is not limited to the following embodiments.

[0049] In the following embodiments or examples, if there is no special description of the function components or structures, it means that they are all conventional components or conventional structures adopted in the field to realize the corresponding functions.

[0050] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] To overcome the defects of large error in the determination results of the hardness of the contaminated soil in the prior art, one of the technical solutions of the present application provides a device for rapidly determining the hardness of contaminated and hardened soil, please refer to Figures 1-3 The device comprises:

[0052] a box body 1;

[0053] a pressing assembly comprising a rotating rod 5 penetrating through the top of the box body 1 and vertically movable up and down;

[0054] a pressure measuring assembly comprising a pressure sensor fixedly connected to the bottom end of the rotating rod 5 and a measuring column 3 rotationally connected to the pressure sensor, the measuring column 3 being coaxial with the rotating rod 5, and the lower end of the measuring column 3 penetrating through the bottom of the box body 1.

[0055] In some specific embodiments, please refer to Figures 1-2 , the rotating rod 5 is threadedly connected to the top of the box body 1.

[0056] In some specific embodiments, please refer to Figures 1-2 , Figure 4 the pressure measuring assembly further comprises a fixing table 4 for fixing the pressure sensor, the upper surface of the fixing table 4 being provided with a groove fixedly connected to the bottom end of the rotating rod 5, the pressure sensor being located in the groove, and the upper end of the measuring column 3 being rotationally connected to the lower surface of the fixing table 4. The groove prevents the pressure sensor from falling off when the rotating rod 5 rotates.

[0057] In more specific embodiments, the fixing table 4 is further provided with a notch for placing an electric wire.

[0058] In some specific embodiments, please refer to Figures 1-3 , the inner bottom of the box body 1 is provided with a fixing block 2 for preventing the measuring column 3 from tilting and rotating. The fixing block 2 can better fix the measuring column 3, prevent the measuring column 3 from tilting and rotating during the measurement, and reduce the measurement error.

[0059] In more specific embodiments, the fixing block 2 is fixedly connected to the box body 1, the measuring column 3 penetrates through the fixing block 2, the fixing block 2 is provided with a protrusion, and the measuring column 3 is provided with a groove matched with the protrusion.

[0060] In more specific embodiments, the fixing block 2 is welded to the box body 1.

[0061] In some specific embodiments, please refer to Figures 1-3 , the surface of the measuring column 3 is provided with a scale.

[0062] In some specific embodiments, please refer toFigures 1-2 The lower pressing assembly further comprises a T-shaped handle 6 outside the box body 1 and fixedly connected with the rotating rod 5. By rotating the T-shaped handle 6, the rotating rod 5 can be driven to rotate, thereby facilitating operation.

[0063] In a more specific embodiment, the T-shaped handle 6 is welded with the rotating rod 5.

[0064] In some specific embodiments, referring to Figure 1 The box body 1 is provided with a switchable protection door 8. By providing the protection door 8, the safety during use and the durability when not in use of the device can be greatly improved.

[0065] In a more specific embodiment, the protection door 8 is hinged with the box body 1.

[0066] In a more specific embodiment, the side edge of the protection door 8 which can be opened and closed is provided with a clamping block 9, and the box body 1 is provided with a buckle 10 which can be matched and connected with the clamping block 9. The clamping block 9 and the buckle 10 can better fix the protection door 8.

[0067] In a more specific embodiment, the clamping block 9 is welded with the protection door 8, and the buckle 10 is welded with the box body 1.

[0068] In a more specific embodiment, the protection door 8 is provided with a perspective window 11. By providing the perspective window 11, the operation situation of the device can be more conveniently observed, improper operation can be prevented and corrected in time, and the values of the measuring column 3 and the pressure sensor can be observed and recorded in real time.

[0069] In a more specific embodiment, the protection door 8 is provided with a handle for conveniently opening and closing the door.

[0070] In some specific embodiments, referring to Figure 1 The lower surface of the box body 1 is provided with a support base 7 for adjusting the stability of the box body 1. By providing the support base 7, the entire device can be conveniently adjusted, and the device can be prevented from falling during use.

[0071] In a more specific embodiment, the support base 7 is provided with a connecting rod which is threadedly connected with the bottom of the box body 1. The bottom of the box body 1 is provided with a threaded hole, and the height of the support base 7 is adjusted by adjusting the depth of the connecting rod inserted into the threaded hole, so as to stabilize the box body 1.

[0072] In a more specific embodiment, the support base 7 is provided with two pairs.

[0073] In some specific embodiments, referring to Figures 1-2 The outer surface of the box body 1 is provided with a handle 12. By providing the handle 12, the device can be conveniently carried and transferred.

[0074] In a more specific embodiment, the handle 12 is welded to the box body 1.

[0075] In some specific embodiments, the base area of ​​the measuring column 3 is 1 cm². 2 or 2cm 2 .

[0076] The second technical solution of the present invention provides a method for rapid determination of the hardness of contaminated compacted soil. This method is implemented using the aforementioned rapid soil hardness testing device and includes the following steps:

[0077] S1: Place the rapid soil hardness measuring device above the contaminated soil to be tested, then adjust the support base 7 of the device to stabilize the device, and then put the lower end of the measuring column 3 into the soil.

[0078] S2: Turn on the pressure sensor, close the protective door 8, fix the protective door 8 with the latch 9 and buckle 10, then apply force to the T-handle 6 to move the rotating rod 5 into the box 1, and apply pressure to the pressure sensor and measuring column 3 to squeeze the soil at the lower end of the measuring column 3, and then read the pressure data through the pressure sensor.

[0079] S3: Based on the pressure depth at the bottom of measuring column 3 and the obtained pressure data, calculate the hardness of the contaminated soil. The calculation formula is as follows:

[0080] S = P / x,

[0081] In the formula, S represents the hardness of the contaminated soil, P represents the pressure data, and x represents the depth of compression.

[0082] Example 1:

[0083] This embodiment provides a device and method for rapid determination of hardness in contaminated compacted soil, such as... Figures 1-4 As shown, the device includes: a housing 1, a fixing block 2, a measuring column 3, a fixing platform 4, a rotating rod 5, a T-shaped handle 6, a support base 7, a protective door 8, a locking block 9, a buckle 10, a viewing window 11, and a handle 12.

[0084] like Figures 1-2 As shown, the rotating rod 5 passes through the top of the housing 1 and can move vertically up and down. The rotating rod 5 is threadedly connected to the top of the housing 1. The fixing platform 4 is used to fix the pressure sensor, such as... Figures 1-2 , Figure 4 As shown, the upper surface of the fixed platform 4 has a groove for fixed connection with the bottom end of the rotating rod 5. The pressure sensor is located in the groove, and the upper end of the measuring column 3 is rotatably connected to the lower surface of the fixed platform 4. The groove prevents the pressure sensor from slipping when the rotating rod 5 rotates. The fixed platform 4 also has a notch for placing wires.

[0085] like Figures 1-3As shown, the inner bottom of the box body 1 is provided with a fixing block 2 for preventing the measuring column 3 from tilting and rotating, the fixing block 2 is welded with the box body 1, the measuring column 3 penetrates through the fixing block 2, the fixing block 2 is provided with a protrusion, and the measuring column 3 is provided with a groove matched with the protrusion. By arranging the fixing block 2, the fixing block 2 can better fix the measuring column 3, prevent the measuring column 3 from tilting and rotating during the measurement, and reduce the measurement error.

[0086] As shown in the drawings, Figures 1-3 The surface of the measuring column 3 is provided with a scale.

[0087] As shown in the drawings, Figures 1-2 The T-shaped handle 6 is located outside the box body 1 and is welded with one end of the rotating rod 5. By rotating the T-shaped handle 6, the rotating rod 5 can be driven to rotate, which is convenient for operation.

[0088] As shown in the drawings, Figure 1 The box body 1 is provided with an openable protection door 8. By arranging the protection door 8, the safety of the device during use and the durability of the device during non-use can be greatly improved. The protection door 8 is hinged with the box body 1, one side edge of the protection door 8 which can be opened and closed is provided with a clamping block 9, and the box body 1 is provided with a clasp 10 which can be matched and connected with the clamping block 9. The clamping block 9 and the clasp 10 can better fix the protection door 8. The clamping block 9 is welded with the protection door 8, and the clasp 10 is welded with the box body 1. The protection door 8 is provided with a perspective window 11. By arranging the perspective window 11, the operation situation of the device can be more conveniently observed, the improper operation can be prevented and corrected in time, and the values of the measuring column 3 and the pressure sensor can be observed and recorded in real time. The protection door 8 is also provided with a handle for conveniently opening and closing the door.

[0089] Two pairs of support bases 7 for adjusting the stability of the box body 1 are welded on the lower surface of the box body 1. The support bases 7 are provided with connecting rods which are threadedly connected with the bottom of the box body 1. The bottom of the box body 1 is provided with threaded holes, and the height of the support bases 7 is adjusted by adjusting the depth of the connecting rods inserted into the threaded holes, so that the box body 1 is stable. By arranging the support bases 7, the entire device can be conveniently adjusted, and the device can be prevented from falling during use.

[0090] As shown in the drawings, Figures 1-2 A handle 12 is welded on the outer surface of the box body 1. By arranging the handle 12, the device can be conveniently carried and transferred.

[0091] The embodiment also provides a method for rapidly measuring the hardness of contaminated and hardened soil, which is implemented by using the soil hardness rapid measuring device and includes the following steps:

[0092] S1: Place the soil hardness rapid measuring device above the contaminated soil to be measured, then adjust the support bases 7 of the device to make the device stable, then attach the lower end of the measuring column 3 to the soil, and record the scale value of the measuring column 3 at the upper surface of the fixing block 2;

[0093] S2: open the pressure sensor, close the protection door 8, fix the protection door 8 by the clamping block 9 and the buckle 10, then exert force on the T-shaped handle 6, move the rotating rod 5 to the inside of the box body 1, the rotating rod 5 exerts pressure on the pressure sensor and the measuring column 3, the lower end of the measuring column 3 extrudes the soil, then read the pressure data by the pressure sensor, and record the scale value of the measuring column 3 at the surface of the fixing block 2 again;

[0094] S3: according to the depth of the lower end of the measuring column 3 and the obtained pressure data, calculate the hardness of the contaminated soil, the calculation formula is:

[0095] S=P / x,

[0096] In the formula, S is the hardness of the contaminated soil, P is the pressure data, and x is the depth of the lower end.

[0097] In the embodiment, the depth of the lower end is 2cm, and the bottom area of the measuring column 3 is 1cm 2 .

[0098] The above description of the embodiments is for the convenience of the ordinary skilled in the art to understand and use the invention. Those skilled in the art can easily make various modifications to these embodiments, and apply the general principles described herein to other embodiments without creative labor. Therefore, the present application is not limited to the above embodiments, and the improvements and modifications made by those skilled in the art according to the disclosure of the present application without departing from the scope of the present application should be within the scope of protection of the present application.

Claims

1. A rapid testing device for the hardness of contaminated compacted soil, characterized in that, include: Box (1); The pressing assembly includes a rotating rod (5) that extends through the top of the housing (1) and can move up and down in the vertical direction. Pressure measuring assembly: It includes a pressure sensor located at the bottom end of the rotating rod (5) and fixedly connected to the rotating rod (5), and a measuring column (3) rotatably connected to the pressure sensor. The measuring column (3) is coaxial with the rotating rod (5), and the lower end of the measuring column (3) penetrates the bottom of the housing (1). The pressure measurement assembly also includes a fixing platform (4) for fixing the pressure sensor. The upper surface of the fixing platform (4) is provided with a groove that is fixedly connected to the bottom end of the rotating rod (5). The pressure sensor is located in the groove, and the upper end of the measuring column (3) is rotatably connected to the lower surface of the fixing platform (4). The bottom of the box (1) is provided with a fixing block (2) to prevent the measuring column (3) from tilting and rotating. The fixing block (2) is fixedly connected to the box body (1), the measuring column (3) passes through the fixing block (2), the fixing block (2) is provided with a protrusion, and the measuring column (3) is provided with a groove that matches the protrusion; The pressing assembly also includes a T-shaped handle (6) located outside the housing (1) and fixedly connected to the rotating rod (5); The enclosure (1) is equipped with a protective door (8) that can be opened and closed; The lower surface of the box (1) is provided with a support base (7) for adjusting the stability of the box. The protective door (8) has a locking block (9) on one side edge that can be opened and closed, and the box body (1) has a buckle (10) that can be matched and connected with the locking block.

2. The rapid testing device for contaminated compacted soil according to claim 1, characterized in that, The rotating rod (5) is threaded to the top of the housing (1).

3. The rapid testing device for hardness of contaminated compacted soil according to claim 1, characterized in that, The surface of the measuring column (3) is marked with graduations.

4. The rapid testing device for hardness of contaminated compacted soil according to claim 1, characterized in that, The protective door (8) is hinged to the box body (1).

5. A rapid method for determining the hardness of contaminated compacted soil, characterized in that, It is implemented using the rapid soil hardness testing device as described in any one of claims 1-4, and the method includes the following steps: S1: Place the soil hardness rapid measuring device above the contaminated soil to be tested, then adjust the support base (7) of the device to stabilize the device, and then attach the lower end of the measuring column (3) to the soil. S2: Turn on the pressure sensor, close the protective door (8), fix the protective door (8) with the block (9) and buckle (10), then apply force to the T-handle (6) to make the rotating rod (5) move into the box (1), the rotating rod (5) applies pressure to the pressure sensor and measuring column (3) to make the lower end of the measuring column (3) squeeze the soil, and then read the pressure data through the pressure sensor; S3: Based on the pressure depth at the bottom of the measuring column (3) and the obtained pressure data, calculate the hardness of the contaminated soil. The calculation formula is as follows: S=P / x, In the formula, S represents the hardness of the contaminated soil, P represents the pressure data, and x represents the depth of compression.

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