Sampling and testing device for vertical permeability test of strongly weathered strata

By providing a vertical permeability test sampling and testing device for strongly weathered strata comprising a machine base, a collection unit and a detection unit, the problems of cumbersome permeability test process and measurement deviation are solved, and convenient operation and accurate permeability coefficient determination are achieved.

CN115901339BActive Publication Date: 2025-10-03NORTH CHINA ENGINEERING INVESTIGATION INSTITUTE CO LTD
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Patent Information

Application Number
CN202310008677.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-04
Publication Date
2025-10-03
Estimated Expiration
2043-01-04

AI Technical Summary

Technical Problem

The permeability test process in the existing technology is cumbersome and inconvenient to operate. The rock and soil samples are transferred multiple times, resulting in large deviations in the permeability coefficient measurement of rock and soil samples in strongly weathered strata and inaccurate test results.

Method used

A vertical permeability test sampling and testing device for strongly weathered strata is provided, which includes a machine base, a collection unit and a detection unit. The collection unit can carry rock and soil and place it directly on the base, and is connected to the detection unit to avoid multiple transfers of rock and soil samples. The detection unit is used to perform a water seepage test on the rock and soil in the collection unit.

Benefits of technology

The test process is simplified, the operation convenience is improved, the accuracy and practicality of the test results are guaranteed, and the measurement deviation caused by the transfer of rock and soil samples is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a sampling and testing device for a vertical permeability test on a strongly weathered stratum, comprising a machine base. A collection unit, the collection unit having a cylindrical cavity, is used to collect rock and soil so that the rock and soil enter the cylindrical cavity and are fixed on the machine base with the rock and soil; a detection unit is provided on the machine base, and the detection unit is used to communicate with both ends of the cylindrical cavity provided along the vertical direction, respectively, so as to perform a water seepage test on the rock and soil in the cylindrical cavity. The sampling and testing device for a vertical permeability test on a strongly weathered stratum provided by the present invention provides a machine base, a collection unit and a detection unit. The collection unit can carry the rock and soil and place it directly on the base, and is connected to the detection unit, which can avoid the previous multiple transfers of rock and soil samples, can ensure the accuracy of the test results, solve the problems of cumbersome experimental process, inconvenient operation, and multiple transfers of rock and soil samples, and has accurate test results and good practicality.
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Description

Technical Field

[0001] The invention belongs to the technical field of vertical permeability test of strata, and in particular relates to a sampling and testing device for vertical permeability test of strongly weathered strata. Background Art

[0002] The permeability test is a test that uses some test equipment to determine the permeability coefficient of rock and soil. The permeability coefficient is a coefficient that determines the ability of rock and soil to penetrate water.

[0003] In the prior art, when conducting a permeability test, the collected rock and soil samples of the strongly weathered stratum are usually taken out from the collection device and then filled into the experimental instrument for experiment. Each experiment requires the rock and soil samples in the collection device to be taken out and filled into the experimental instrument. After the experiment, the rock and soil samples in the experimental instrument also need to be taken out to ensure the next experiment. The experimental process is relatively cumbersome and the operation is not convenient. In addition, it involves the transfer of rock and soil samples. The permeability coefficient of the strongly weathered stratum rock and soil samples finally measured has a large deviation, the test results are inaccurate, and the practicality is poor. Summary of the Invention

[0004] The embodiment of the present invention provides a sampling and testing device for a vertical permeability test on strongly weathered strata, aiming to solve the problems of a complicated testing process, inconvenient operation, multiple transfers of rock and soil samples, and large deviations in the permeability coefficients of the rock and soil samples measured in strongly weathered strata.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a sampling and testing device for vertical permeability test of strongly weathered strata, comprising:

[0006] base;

[0007] A collection unit, the collection unit having a cylindrical cavity, the collection unit being used to collect rock and soil, so that the rock and soil enter the cylindrical cavity and are fixed on the machine base with the rock and soil; and

[0008] A detection unit is arranged on the machine base, and the detection unit is used to be connected with two ends of the cylindrical cavity arranged along the vertical direction respectively, so as to perform a water seepage test on the rock and soil in the cylindrical cavity.

[0009] In one possible implementation, the collection unit includes a collection test cylinder and a connecting cylinder; a plurality of the collection test cylinders are provided, each of the collection test cylinders is arranged at intervals, and the axes are arranged collinearly, and a connecting space is formed between any two adjacent collection test cylinders; a plurality of connecting cylinders are provided, the axes of each connecting cylinder are arranged collinearly with the axes of each collection test cylinder, and each connecting cylinder is respectively located in each connecting space, and the two ends of each connecting cylinder are detachably connected to the corresponding two collection test cylinders;

[0010] In one possible implementation, each of the collection test cylinders includes a cylinder body and a partition structure; the cylinder body, the cavity of the cylinder body is the cylinder cavity; the partition structures are provided with two, and the two partition structures are respectively located at the two ends of the cylinder body, each of the partition structures includes a baffle and a rotating rod, the baffle is a circular plate adapted to the cylinder cavity, the baffle is rotatably arranged in the cylinder body, and the rotation axis of the baffle is arranged along the radial direction of the baffle; one end of the rotating rod is connected to the rotating shaft of the baffle, and is used to drive the baffle to rotate.

[0011] In a possible implementation, the connecting tube is threadably connected to the corresponding collection test tube.

[0012] In a possible implementation, a sealing ring is provided at the outer edge of each baffle.

[0013] In one possible implementation, the detection unit includes multiple test components, each of which is arranged in a one-to-one correspondence with each of the collection test cylinders, and each of the test components includes a base, a top cover, a water tank, a pressurizing component and a measuring cylinder; the base is fixedly arranged on the machine base, and is used to be plugged into the bottom end of the cylinder, and the base has a water outlet; the top cover is hinged to the machine base, and the hinge axis is horizontally arranged, and is used to flip downward and cover the top end of the cylinder after the bottom end of the cylinder is connected to the base, and the top cover has a water inlet; the water tank is connected to the water inlet, and is used to provide experimental water to the detection unit; the pressurizing component is connected to the water tank, and is used to transport the water pressure in the water tank to the cylinder; the measuring cylinder is linked to the water outlet, and is used to receive and measure the water output.

[0014] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod having a round shank and a bolt. said bolt has a round shank to contact with said linking rod.

[0015] Among them, a sliding groove for the slider to limit the sliding is provided on the machine base.

[0016] In a possible implementation, the base includes a horizontal plate and a vertical plate; the bottom end of the vertical plate is fixedly connected to the horizontal plate;

[0017] Wherein, each of the bases is fixed on the horizontal plate, and each of the clamping and fixing components is arranged on the vertical plate.

[0018] In this implementation, the beneficial effects of the vertical permeability test sampling and testing device for strongly weathered strata provided by the present invention are: compared with the existing technology, a machine base, a collection unit and a detection unit are provided. The collection unit can carry rock and soil and place them directly on the base, and is connected to the detection unit, which can avoid the previous multiple transfers of rock and soil samples and ensure the accuracy of the test results. The detection unit is used to perform a water seepage test on the rock and soil in the collection unit; it solves the problems of complicated test process, inconvenient operation, and multiple transfers of rock and soil samples, and the test results are accurate and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of a sampling and testing device for a vertical permeability test on strongly weathered strata provided by an embodiment of the present invention;

[0020] Figure 2 A schematic diagram of the structure of a collection unit of a sampling and testing device for a vertical permeability test on strongly weathered strata provided by an embodiment of the present invention;

[0021] Figure 3 A schematic diagram of the internal structure of a sampling unit of a sampling and testing device for a vertical permeability test on strongly weathered strata provided by an embodiment of the present invention;

[0022] Figure 4 A schematic diagram of the structure of the clamping and fixing components of a sampling and testing device for a vertical permeability test on strongly weathered strata provided by an embodiment of the present invention;

[0023] Figure 5 A schematic diagram showing the smooth operation of a detection unit of a sampling and testing device for a vertical permeability test on strongly weathered strata provided by an embodiment of the present invention;

[0024] Description of reference numerals:

[0025] 100. Machine base; 110. Base body; 120. Clamping and fixing assembly; 121. Clamping arm; 122. Slider; 123. Connecting rod; 124. Telescopic structure; 200. Collection unit; 210. Collection test cylinder; 2111. Cylinder body; 2112. Partition structure; 21121. Baffle; 21122. Rotating rod; 220. Connecting cylinder; 300. Detection unit; 310. Base; 320. Top cover; 330. Water tank; 340. Pressurizing component; 350. Measuring cylinder. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] Please also refer to Figures 1 to 5 The vertical permeability test sampling and testing device for strongly weathered strata provided by the present invention is now described. The vertical permeability test sampling and testing device for strongly weathered strata includes a base 100. A collection unit 200 includes a cylindrical cavity. The collection unit 200 is used to collect rock and soil, allowing the rock and soil to enter the cylindrical cavity and be fixed to the base 100 with the rock and soil. A detection unit 300 is provided on the base 100. The detection unit 300 is used to communicate with both ends of the cylindrical cavity provided in the vertical direction, respectively, to perform a water seepage test on the rock and soil in the cylindrical cavity.

[0028] Compared to the prior art, the vertical permeability sampling and testing device for strongly weathered strata provided in this embodiment comprises a base 100, a collection unit 200, and a detection unit 300. The collection unit 200 can carry rock and soil and place them directly on the base. This unit is connected to the detection unit 300, thus avoiding the need for multiple transfers of rock and soil samples and ensuring accurate test results. The detection unit 300 is used to perform a water permeability test on the rock and soil within the collection unit 200. This device solves the problems of a cumbersome test process, inconvenient operation, and multiple transfers of rock and soil samples, resulting in accurate test results and excellent practicality.

[0029] In some embodiments, the acquisition unit 200 may be configured as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The collection unit 200 includes a collection test cylinder 210 and a connecting cylinder 220. There are multiple collection test cylinders 210, and each collection test cylinder 210 is arranged at intervals, and the axis is arranged collinearly, and a connecting space is formed between any two adjacent collection test cylinders 210. There are multiple connecting cylinders 220, and the axis of each connecting cylinder 220 is arranged collinearly with the axis of each collection test cylinder 210, and each connecting cylinder 220 is respectively located in each connecting space, and the two ends of each connecting cylinder 220 are detachably connected to the corresponding two collection test cylinders 210. The size of the collection test cylinder 210 is large and can hold more rock and soil samples, and can also prevent the blockage of rock and soil samples. Threads are provided on the cylinder walls at both ends of the collection test cylinder 210. The connecting cylinders 220 are arranged at both ends of the collection test cylinder 210, and the connection relationship is simple and practical.

[0030] In some embodiments, the collection test tube 210 can be used as follows Figure 3 See the structure shown. Figure 3Each collection test cylinder 210 includes a cylinder body 2111 and a partition structure 2112. The cylinder body 2111, the cavity of the cylinder body 2111 is a cylinder cavity. There are two partition structures 2112, and the two partition structures 2112 are respectively located at the two ends of the cylinder body 2111. Each partition structure 2112 includes a baffle 21121 and a rotating rod 21122. The baffle 21121 is a circular plate adapted to the cylinder cavity. The baffle 21121 is rotatably set in the cylinder body 2111, and the rotation axis of the baffle 21121 is set along the radial direction of the baffle 21121. One end of the rotating rod 21122 is connected to the rotating shaft of the baffle 21121, which is used to drive the rotating plate to rotate. The cylinder body 2111 has a simple structure. The size of the baffle 21121 is slightly smaller than the inner diameter of the cylinder body 2111, and it is placed to prevent blockage of the rock and soil samples. One end of the rotating rod 21122 is a round rotating handle for easy application of force, which has a simple structure and good practicality.

[0031] In some embodiments, the connecting tube 220 may be Figure 2 See the structure shown. Figure 2 The connecting tube 220 is threadedly connected to the corresponding collection test tube 210. The connecting tube 220 is provided with an internal thread, which is connected to the thread on the corresponding collection test tube 210. The connection is tight and reliable, and has good practicality.

[0032] In some embodiments, the baffle 21121 may be formed as follows: Figure 3 See the structure shown. Figure 3 A sealing ring is provided at the outer edge of each baffle 21121. The sealing ring at the outer edge of the baffle 21121 is used to prevent the rock and soil samples from leaking out.

[0033] In some embodiments, the detection unit 300 may be configured as follows: Figure 1 、 Figure 5 See the structure shown. Figure 1 、 Figure 5 The detection unit 300 includes multiple test assemblies, each corresponding to a collection test cylinder 210. Each test assembly includes a base 310, a top cover 320, a water tank 330, a pressurizing element 340, and a graduated cylinder 350. The base 310 is fixedly mounted on the base 100 and is configured to plug into the bottom end of the cylinder 2111. The base 310 has a water outlet. The top cover 320 is hinged to the base 100, with the hinge axis arranged horizontally. After the bottom end of the cylinder 2111 is connected to the base 310, it is flipped downward and placed on the top end of the cylinder 2111. The top cover 320 has a water inlet. The water tank 330 is connected to the water inlet to provide water for the test unit 300. The pressurizing element is connected to the water tank 330 to transfer the water pressure in the water tank 330 to the cylinder 2111. The graduated cylinder 350 is linked to the water outlet to receive and measure the water output.

[0034] In the vertical permeability test sampling test device for strongly weathered strata provided by the present invention, a sealing structure is also provided on the base 310 and the top cover 320. The sealing structure can be a silicone sealing ring, which is provided at the connection between the base 310 and the top cover 320 and the collection test tube 210.

[0035] In some embodiments, the base 100 may be configured as follows: Figure 1 、 Figure 4 See the structure shown. Figure 1 、 Figure 4 The base 100 includes a base body 110 and a clamping and fixing assembly 120. The base body 110 has a plurality of horizontal surfaces for fixing the bases 310. There are a plurality of clamping and fixing assemblies 120, and each clamping and fixing assembly 120 corresponds one to one to each collection test cylinder 210. Each clamping and fixing assembly 120 includes a clamping arm 121, a slider 122, a connecting rod 123 and a telescopic structure 124. There are two clamping arms 121, and the clamping arm 121 is a semi-cylinder. One end of each clamping arm 121 is hinged to the base 100, and the hinge axis is set along the vertical direction. The two clamping arms 121 are used for relative rotation to clamp the cylinder 2111. The slider 122 is slidably set on the base 100. Two connecting rods 123 are provided, and the two connecting rods 123 correspond to the two clamping arms 121 one by one. One end of each connecting rod 123 is hinged to the slider 122, and the other end is hinged to the corresponding clamping arm 121. The telescopic structure 124 has a fixed end and a telescopic end. The fixed end is fixedly connected to the base 100, and the telescopic end is connected to the slider 122.

[0036] The base 100 is provided with a slot for the limited sliding of the slider 122. The clamping and fixing assembly 120 is mounted on the base 110. The clamping arms 121 can be considered as curved plates that fit over the cylinder 2111. When closed, the two clamping arms 121 enclose the entire cylinder 2111. The slider 122 slides in the slot, and the telescopic structure 124 pushes the slider 122 to move and open and close the clamping arms 121. This connection is simple, reliable, and highly practical.

[0037] In some embodiments, the base 100 may be configured as follows: Figure 1 See the structure shown. Figure 1 The machine base 100 includes a horizontal plate and a vertical plate. The bottom end of the vertical plate is fixedly connected to the horizontal plate.

[0038] Each base 310 is fixed to a horizontal plate, and each clamping and fixing assembly 120 is mounted on a vertical plate. The base 100 can be considered an L-shaped plate. The base 310 and clamping and fixing assembly 120 are mounted on the base 100, resulting in a simple structure, easy installation, and excellent practicality.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sampling and testing device for vertical permeability test of strongly weathered strata, characterized in that: include: base; A collection unit having a cylindrical cavity, and configured to collect rock and soil, so that the rock and soil enter the cylindrical cavity and are fixed on the machine base with the rock and soil; as well as a detection unit, disposed on the machine base, and configured to be in communication with both ends of the cylindrical cavity disposed along a vertical direction, respectively, so as to perform a water seepage test on the rock and soil in the cylindrical cavity; The collection unit includes a collection test cylinder and a connecting cylinder; the collection test cylinders are provided in plurality, each of which is arranged at intervals and with its axis arranged collinearly, and a connecting space is formed between any two adjacent collection test cylinders; the connecting cylinders are provided in plurality, each of which has its axis arranged collinearly with the axis of each collection test cylinder, and each of the connecting cylinders is located in each of the connecting spaces, and both ends of each connecting cylinder are detachably connected to the corresponding two collection test cylinders; Each of the collection test cylinders includes a cylinder body and a partition structure; the cylinder body, the cavity of the cylinder body is the cylinder cavity; the partition structures are provided with two, and the two partition structures are respectively located at the two ends of the cylinder body, each of the partition structures includes a baffle and a rotating rod, the baffle is a circular plate adapted to the cylinder cavity, the baffle is rotatably arranged in the cylinder body, and the rotation axis of the baffle is arranged along the radial direction of the baffle; one end of the rotating rod is connected to the rotating shaft of the baffle, so as to drive the baffle to rotate; The detection unit includes a plurality of test components, each of which is arranged in a one-to-one correspondence with each of the collection test cylinders, and each of the test components includes a base, a top cover, a water tank, a pressurizing member and a measuring cylinder; the base is fixedly arranged on the machine base for being plugged into the bottom end of the cylinder, and the base has a water outlet; the top cover is hinged to the machine base, and the hinge axis is horizontally arranged, and is used to flip downward and cover the top end of the cylinder after the bottom end of the cylinder is connected to the base, and the top cover has a water inlet; the water tank is connected to the water inlet for providing experimental water to the detection unit; the pressurizing member is connected to the water tank for delivering the water pressure in the water tank to the cylinder; the measuring cylinder is linked to the water outlet for receiving and measuring the water output; 4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. Among them, a sliding groove for the slider to limit the sliding is provided on the machine base.

2. The vertical permeability test sampling and testing device for strongly weathered strata according to claim 1, characterized in that: The connecting tube is threadedly connected to the corresponding collection test tube.

3. The vertical permeability test sampling and testing device for strongly weathered strata according to claim 1, characterized in that: A sealing ring is provided at the outer edge of each baffle.

4. The vertical permeability test sampling and testing device for strongly weathered strata according to claim 1, characterized in that: The base includes a horizontal plate and a vertical plate; the bottom end of the vertical plate is fixedly connected to the horizontal plate; Wherein, each of the bases is fixed on the horizontal plate, and each of the clamping and fixing components is arranged on the vertical plate.

Citation Information

Patent Citations

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