SPEED-CONTROLLED HYDRAULIC SOIL SAMPLE EXTRACTION DEVICE

TR202614208A2Pending Publication Date: 2026-09-21FIRAT UNIVSI REKTORLUGU
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Patent Information

Application Number
TR202614208
Authority / Receiving Office
TR · TR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2026-08-21
Publication Date
2026-09-21

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Abstract

The invention relates to a velocity-controlled hydraulic soil sample extraction device for the controlled hydraulic extraction of soil samples contained in molds or tubes, intended for use in soil mechanics experiments. The device comprises a main press body, upper press plate, centering press, press caliper, lower press plate, standard Proctor die, lower press shaft, lower press, piston, sample extractor, centering piece, and a velocity-controlled hydraulic system providing linear motion to the piston. The piston, press caliper, lower press plate, and sample extractor are interchangeable. The device can be used in a single configuration with a single piston element, single-span press caliper, single-span press plate, and single sample extractor, or in a triple configuration with a three-piston element, three-span press caliper, three-span press plate, and three sample extractors.In the selected configuration, the relevant components are positioned relative to each other, and the piston movement is performed linearly by a speed-controlled hydraulic system.
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Description

1 TARIFF SPEED-CONTROLLED HYDRAULIC SOIL SAMPLE EXTRACTION DEVICE TECHNICAL FIELD The invention describes the design of a soil sample 5 for use in soil mechanics laboratories. The invention relates to devices for preparing a mold or tube. Specifically, the invention relates to devices for preparing a mold or tube. the removal of the soil sample using hydraulic and controlled movement This relates to the technical field of ground sampling equipment. STATE OF THE ART 10 In soil mechanics studies, the engineering properties of the soil In order to determine this, uniaxial, triaxial and consolidation tests are performed. Laboratory experiments are being conducted. The materials to be used in these experiments... Soil samples must have specific shapes and sizes, and the sample must contain... It must be removed from its mold or tube without damage. 15 In known practices, materials brought from the field or produced in a laboratory environment... A cylindrical shape, suitable for the test dimensions, was formed from a compacted soil sample. Sample collection may involve multiple processing steps. In this context... The soil sample is pressurized into a smaller diameter tube using hydraulic pressure. a soil sample is taken and then placed inside the small-diameter tube in question. 20 The sample is removed from the tube using another sample extraction device. the ground during the transfer from one tube to another and then back again due to contact and relative movement between the sample and the tube or membrane The sample's structure may be damaged. Furthermore, these processes... Because it involves multiple stages, the sample preparation process requires operator intervention 25 This can turn it into a dependent and time-consuming process. In the research conducted on the state of the art, soil mechanics hydraulic loading, sample preparation and various mechanical tests in the field It appears that there are various devices and systems available for its implementation. Patent document number CN112067387A describes 30 frozen soil samples. a device for mass production and its usage method It explains that the device in question consists of a base, a mounting frame, and a cooling system. in addition to the mechanism, there are multiple samples located on the mounting frame. 2 It includes a preparation mechanism. In the sample preparation mechanism... It includes a telescopic section, a pressure block and a forming cylinder, and hydraulics. Sample preparation pressure is applied via a telescopic structure. With this... together with the technical structure in the document in question, frozen soil samples It is intended for the creation and preparation of 5 items contained in a mold or tube. controlled hydraulic system in the direction of sample extraction of the prepared soil sample. a sample extraction setup for removal by applying force It does not explain. Patent document number CN114705538A describes the interaction of plant roots with soil. mechanical properties of the root-soil composite it formed, and especially shear 10 a variable volume experimental setup developed to determine its strength This describes the measuring device. This device includes: measuring device structure, servo hydraulic loading. The system includes a root-ground cultivation setup, an experimental sensing component, and control and data. It includes a collection system and mechanically separates root-bearing and rootless soil. It carries out measurements to determine its characteristics. This document contains 15 hydraulic loading system and regulations related to sample handling However, the technical structure of the sample does not affect its mechanical properties under load. It is aimed at measuring the soil sample in a mold or tube in a controlled manner. It is not a sample extraction device designed for removing samples in this manner. Patent document number CN107957376A concerns rock-soil mechanics 20 a pneumatically, hydraulically, and electrically controlled servo for use in experiments It describes the experimental apparatus and method. The system in question involves a gas-liquid mixture. controlled generation of different hydraulic pressures using a pressurization mechanism. and monitoring of displacement and stress-strain relationships during the experiment. is provided. Therefore, the hydraulic control structure in the aforementioned document is located at ground 25. The experiment is not about removing a sample from a mold or tube. It relates to controlling the pressure and loading parameters under the given conditions. Patent document number EP4377668A2 describes multiple measuring cells. A three-axis experimental device is described. Each measuring cell is three-axis. taking a test sample to be tested and a central hydraulic 30 Experimental conditions in the measurement cells are controlled via the multiplexer unit. This multi-cell structure is obtained by combining multiple soil samples into one. 3 Not for removal from the mold, but for samples within separate measuring volumes. It is designed to be subjected to a triaxial test. Patent document number WO2016196734A1 describes three-dimensional floors. An experiment involving a flexible ring to determine consolidation properties. The device; patent document number WO2018164749A1 describes a three-axis, free and 5-axis device. in uniaxial compression tests and three-dimensional consolidation and settlement tests It describes the expandable jacket and flexible loop structures used. Both The document also describes the mechanical behavior of the soil sample during the experiment. There are structures for determining this, such as the mold or the sample in which it is located. Sample extraction by removing the sample from the tube under controlled hydraulic movement 10 The procedure is not explained. Therefore, in the known technique, hydraulics are used in the field of soil and rock mechanics. loading systems, sample preparation mechanisms, multiple experimental cells, and Although there are devices for different soil tests; prepared soil positioned together with the mold or tube in which the sample is located, 15 hydraulic force via a piston moving in the direction of extraction where applied and the piston movement in question is carried out in a controlled manner The need for a soil sampling device continues. TECHNICAL PROBLEM TO BE SOLVED 20 Soil for use in experiments in soil mechanics laboratories. during the removal of samples from the molds or tubes in which they are contained, Friction generated between the sample and the mold or tube surface, and to the sample Uncontrolled or sudden pushing movements applied can damage the structure of the soil sample. It can cause trauma. 25 In addition, in known sample collection practices, the sample is collected in multiple batches. going through the processing stages, using different devices sequentially, and The process is carried out under operator control; the sample collection process is lengthy. This can lead to delays, reduced repeatability of the process, and different sample sizes or This can lead to the use of separate setups for different types of experiments. 30 Therefore, the technical problem is; the mold or tube containing the soil sample the movement applied to the sample during extraction can be kept under control, The sample extraction process can be carried out with fewer processing steps and in different ways. 4 a soil sample extraction structure that can be adapted to sample geometries It is the development of. A BRIEF DESCRIPTION OF THE INVENTION The invention involves the controlled processing of soil samples contained in molds or tubes. speed-controlled hydraulic soil sample for extraction under hydraulic motion It is an extraction device. The device includes: press main body, press top plate, press AB adjustment, press centering. structure, printing caliber, printing substrate, lower press shaft, lower press, piston and sample It has a press mechanism that includes an extractor. 10 The printing caliber consists of a mold or tube containing a ground sample and a piston. It is arranged to be positioned between them. The piston is used to extract the soil sample. aligned with the pressure gauge so that it will move in that direction It is positioned. The piston's movement is controlled by a speed-controlled hydraulic system. is provided. 15 The press centering structure, pressure caliber, piston, and base inside. The mold or tube containing the sample is positioned on the same axis. Bottom table and sample extractor, the extraction created by the piston on the ground sample. in a way that allows the sample to escape from the mold or tube during its movement It has been arranged. 20 The device has different pistons, pressure calipers, pressure plates, and sample extractors. It has a customizable structure according to sample geometries. In this context, the device is single single piston, single aperture pressure caliber for sample removal, single aperture It can be used with a printing base plate and a single sample extractor; as well as with three samples simultaneously. Triple piston for timed ejection, three-opening pressure caliber, three 25 It can also be used with an open-pressure printing base plate and a triple sample ejector. In the three-sampling arrangement, the piston consists of three pistons running parallel to each other. The piston elements are the printing caliber and the printing base plate. It includes three openings positioned opposite each other. Single sample extraction. In this configuration, the piston is a single piston element, and the pressure gauge and pressure plate are also 30. It contains a single opening positioned opposite the piston element in question. By controlling the piston movement with a speed-controlled hydraulic system, the soil sample moves in a controlled linear motion through a mold or tube Removal is ensured. Replaceable piston, printing caliber, printing base plate. and thanks to the sample extraction structures, the same press setup allows for different soil mechanics. 5 soil samples with different geometries will be used in the experiments. It is adaptable. BRIEF DESCRIPTION OF THE FIGURE Figure 1 shows the general overview of the speed-controlled hydraulic soil sample extraction device that is the subject of this invention. It shows its appearance. 10 Figure 2 shows three piston elements for taking three soil samples. It shows the appearance of the piston. Figure 3 shows a single piston element for taking a single soil sample. It shows the appearance of the piston. Figure 4 shows print 15 with three openings for taking three soil samples. It shows the appearance of its caliber. Figure 5 shows a print containing a single opening for taking a single soil sample. It shows the appearance of its caliber. Figure 6 shows the press used for centering the moving elements in the press assembly. It shows the appearance of the centering structure. 20 Figure 7 shows the standard Proctor mold containing the soil sample. It shows its appearance. Figure 8 shows a pressure plate with three openings for taking three soil samples. It shows the appearance of the table. Figure 9 shows a pressure plate with a single opening for taking a single soil sample. It shows the appearance of the table. Figure 10 shows the sample extractor for taking three soil samples. It shows its appearance. Figure 11 shows the sample extractor for taking a single soil sample. It shows its appearance. 30 6 Figure 12 shows the positioning of the relevant movable element within the device. It shows the appearance of the centering piece. The explanations for the reference numbers given in the figures are as follows: 1. Speed-controlled hydraulic soil sample extraction device 5 2. Press main body 3. Press top plate 4th Edition EU setting 5. Press centering 6. Printing caliber 10 7. Soil sample 8. Printing base plate 9. Standard Proctor mold 10. Lower press shaft 11. Bottom press 15 12. Piston 13. Sample extractor 14. Centering piece DETAILED DESCRIPTION OF THE INVENTION 20 The invention relates to uniaxial compression, performed in soil mechanics laboratories. soil samples to be used in triaxial compression and consolidation tests It relates to the preparation of a soil sample contained in a mold or tube. speed-controlled hydraulic floor lifting under controlled hydraulic movement It is a sample extraction device (1). 25 The subject of the invention is a speed-controlled hydraulic soil sample extraction device (1) foundation as; press main body (2), press top table (3), press AB adjustment (4), press centering (5), printing caliber (6), ground sample (7), printing substrate (8), standard Proctor mold (9), lower press shaft (10), lower press (11), piston (12), sample extractor (13) and centering It includes part (14). 30 Press main body (2), the other components of the device are determined in relation to each other. It forms the supporting structure in which the press is held in positions. Press top table (3), press main It is located in the upper part of the body (2) and during the printing process the piston (12), 7 printing caliber (6), standard Proctor plate (9) and printing base plate (8) of the device This allows it to be positioned along the working axis. The AB setting of the press (4) is located in the printing area with the press top table (3). press mechanism for adjusting the positions of components relative to each other It is located on it. Thus, different piston (12), pressure caliber (6), standard 5 Proctor mold (9) and sample extractor (13) configurations are the same press main body (2) It is allowed to be used within. Press centering (5), piston (12), press caliber (6), standard Proctor mold (9) will create axial alignment between the printing base plate (8) and the sample extractor (13). It is arranged in this way. The centering part (14) is also pressed into the relevant moving parts. These structures are used to maintain their positions within the main body (2). The movement applied to the sample via this method is essentially sample extraction. This is ensured by implementing it accordingly. The pressure caliber (6) is in the direction of piston (12) movement and standard Proctor It is positioned in relation to the mold (9). The printing caliber (6) will be prepared 15 Different aperture geometries depending on the number and diameter of the soil sample. It is a replaceable component. The printing base plate (8) is used to transport the standard Proctor plate (9) in the press arrangement. and piston (12) and sample extractor (13) of the area from which the soil sample (7) will be taken It is structured in a way that will allow them to be positioned opposite each other. Printing base plate (8) 20 It is also customizable depending on the sample geometry to be used. Standard Proctor mold (9) prepared in the soil mechanics laboratory. It forms the cylindrical mold structure in which the base is positioned within the device. The standard Proctor die (9) works on the printing plate (8) and piston (12) in the same way. It is positioned on the axis. 25 The lower press shaft (10) is located in the upper part of the press assembly with the lower press (11). It is positioned in a way that allows for the transmission of motion between the components. Bottom press (11), in the lower part of the press arrangement where the hydraulic movement of the device is created It is located. The linear system is formed via the lower press (11) and the lower press shaft (10). movement, piston (12) and / or sample 30 suitable for the selected sampling configuration It is transferred from the extractor (13) to the soil sample (7). 8 The piston movement of the device is achieved by a speed-controlled hydraulic system. Thanks to the control of the piston's (12) forward speed, the ground The relative movement of the sample (7) inside the mold or tube in which it is located is a sudden push Instead, it is performed as controlled linear motion. The piston's movement speed was 5 during the extraction of the soil sample. this can be reduced by removing the sample more slowly from the tube or mold. This structure allows for this, especially when the sample comes into contact with the tube surface. It aims to reduce the mechanical effects that may occur. Different types of experiments can be conducted using the same press main body (2) in the device that is the subject of the invention. Different sample geometries can be prepared for this. This change is basically 10 piston (12), printing caliber (6), printing base plate (8) and sample extractor (13) is done by changing it. TRIPLE SAMPLE COLLECTION CONFIGURATION In one application of the invention, the device (1) can simultaneously measure three soil samples. It is used in a triple sampling configuration for obtaining samples. In this configuration, the piston (12) moves parallel to each other and in the same motion. It includes three piston elements that extend along the direction of the piston. The three piston elements, the piston They are positioned separately from each other on the body. In an application shown in the drawings, the piston body of the triple piston (12) is 20 It has a diameter of approximately 114.30 mm, and each of the three piston elements is approximately 25 mm. It is approximately 36 mm in diameter. The piston's connecting shaft is shown to have a diameter of approximately 36 mm. The dimensions in question relate to the application of the invention as shown in the drawings. The pressure caliber used in the triple sampling configuration (6) is the piston's (12) contains three openings corresponding to three piston elements. These openings are 25 separated from each other and opposite to the axes of the piston elements It is located. In an application shown in the drawings, the outer diameter of the triple printing caliber (6) The diameter of each sample passage is approximately 114.30 mm, and the diameter of each sample passage is approximately 42.40 mm. and the axial length of the printing caliber is set at approximately 50 mm. 30 9 In the triple sampling configuration, the printing substrate (8) also holds three samples. It includes a transition opening. The three openings of the printing substrate (8) are used for printing. with three openings (6) of caliber and three piston elements (12) of piston. It is located. The sample extractor (13) has 5 parallel to each other in a triple sampling configuration. It includes three sample extraction elements. These sample extraction elements are located on the ground. three separate sample tubes or sample containers in which samples are taken It is located opposite the region. In the triple sample extractor (13) application shown in the drawings, there are three Each of the sample extraction elements is approximately 38 mm in diameter. 10 Thus, the piston (12), the printing caliber (6), the printing base plate (8) and the sample The triple geometry formed on the extractor (13) is axially compatible with each other. It forms a sampling line. In this configuration, from the ground inside the standard Proctor mold (9), Approximately 38 mm 15 for use in unconfined compression and triaxial compression tests. Three soil samples, each with a diameter of approximately 76 mm and a height of approximately 76 mm, were taken in the same study. It can be obtained within the scope of the program. SINGLE SAMPLE COLLECTION CONFIGURATION In another application of the invention, the device (1) can 20 a single soil sample. It is used in a single-sample collection configuration for obtaining samples. In the single sampling configuration, the piston (12) is centrally located. It contains a single piston element. This piston element is used for pressure. single located on the caliber (6), printing base plate (8) and sample extractor (13) They are positioned on the same axis as the openings. 25 In an application shown in the drawings, the body of a single piston (12) is approximately It has a diameter of 114.30 mm, and the piston section in contact with the ground is approximately 55 mm in diameter. The piston connecting shaft has a diameter of approximately 36 mm. The pressure caliber (6) used in the single sample taking configuration is the piston's (12) a central opening on the same axis as the single piston element 30 It includes. In an application shown in the drawings, the outer diameter of the single print caliber (6) approximately 114.30 mm, with a central aperture of approximately 55 mm in diameter and an axial length. It is approximately 50 mm. The printing substrate (8) used in the single sample taking configuration is central. It includes a sample passage opening. The opening in question is a single piston (12), pressure 5 The caliber (6) and the sample extractor (13) are located on the working axis. The single sample extractor (13) contains one sample extraction element. In the application shown in the drawings, the sample extraction element is approximately 50 mm. It is organized on a global scale. Single piston (12), single aperture printing caliber (6), single aperture printing base plate 10 (8) and single sample extractor (13) can be used together to make the device a single sample extractor. It is being converted to its configuration. This configuration is particularly suitable for soil applications in consolidation tests. It is intended for the preparation of samples. In one application, approximately 50 mm in diameter. and a soil sample approximately 20 mm high is taken. 15 HOW THE DEVICE WORKS Before taking a soil sample, the type of test to be performed and the target sample must be determined. piston (12), printing caliber (6), printing base plate (8) and sample according to its geometry Extractor (13) is selected. 20 Triple configuration for unconfined compression or triaxial compression tests. When selected, three piston element piston (12), three opening pressure caliber (6), three opening The printing base plate (8) and triple sample extractor (13) are placed in the device. When a single configuration is selected for the consolidation test, a single piston is used. element piston (12), single aperture printing caliber (6), single aperture printing base plate (8) 25 and single sample extractor (13) is used. Standard Proctor mold (9) including the base, on the printing plate (8) It is placed. Through the press centering (5) and centering piece (14). standard Proctor die (9), printing caliber (6), piston (12) and sample extractor (13) It is aligned with the operating direction of the device. 30 11 The sample tube or tubes are suitable for the selected sampling configuration. It is related to the ground in this way. The piston (12) is controlled under hydraulic movement. As the process progresses, the sample tube or tubes are positioned within the ground. and a soil sample is taken into the tube. During the stage of removing the soil sample from the sample tube, 5 The selected sample extractor (13) is positioned on the same axis as the sample tube. The sample tube is moved linearly through the sample extractor (13). The soil sample inside is being removed from the tube. The piston and sample ejection movement are controlled by a speed-controlled hydraulic system. This is carried out by placing the soil sample in a controlled manner instead of sudden movement. It allows for progress. In a triple configuration, three sample extraction elements with three sample tubes. By positioning them opposite each other, three separate samples can be placed in the same setup. It is possible to take and remove it from it. In single configuration, the same press main body (2), as a single sample arrangement by changing suitable parts 15 It is used. Thus, completely separate sampling and sampling methods are used for different types of experiments. Without the need to use extraction devices, piston (12), pressure caliber (6), By changing the printing base plate (8) and the sample extractor (13), the same device can be different It can be adapted to sample geometries. 20 APPLICATION EXAMPLE In an example application, the soil to be used in a triaxial compression test. triple piston (12), three-opening press caliper (6), three for preparing samples open printing base plate (8) and triple sample extractor (13) press main body (2) 25 is being placed. The standard Proctor mold (9) containing the base is placed on the printing plate (8). centering of the press (5) with the piston (12) and the press caliper (6) axis It is located. Three sampling zones, triple printing caliber (6) They are made reciprocal through their openings. 30 12 By applying speed-controlled hydraulic movement, the triple piston (12) moves towards the ground. It is advanced linearly. Three piston elements move in parallel. Simultaneous sampling is carried out in the sampling area. After the sampling process, the triple sample extractor (13) extracts the relevant sample. aligned with the tubes, and samples are moved out of the tubes under controlled linear motion. 5 is extracted. In this application, it is approximately 38 mm in diameter and 76 mm in height. Three soil samples are obtained. When preparing a sample for consolidation testing on the same device, a triple test is performed. piston (12), printing caliber (6), printing base plate (8) and sample of the configuration Extractor (13) is removed and replaced with single configuration components 10 It is placed on the same press main body (2) by approximately 50 mm. A single soil sample with a diameter of 20 mm and a height of 20 mm can be taken. 20 30

Claims

13 REQUESTS 1. Press main body (2), press top used in soil mechanics laboratories. table (3), press centering (5), press caliber (6), press base table (8), standard Proctor mold (9), lower press shaft (10), lower press (11), piston (12), sample extractor 5 (13), centering piece (14) and piston (12) give linear motion to the velocity Speed-controlled hydraulic soil sample extraction with controlled hydraulic system. The device is (1) and its feature is; - piston (12), printing caliber (6), printing base plate (8) and sample extractor (13), single piston element piston (12), single opening press 10 from caliber (6), single aperture printing base plate (8) and single sample extractor (13) single configuration consisting of three piston elements piston (12), three three-opening printing caliber (6), three-opening printing substrate (8) and triple sample corresponding to the triple configuration consisting of extractors (13) changeable, 15 - piston (12), printing caliber (6), printing base plate (8) and sample extractors (13) with each other in the selected single or triple configuration. being positioned opposite each other, - standard Proctor plate (9), on the printing base plate (8) its location, 20 - the piston (12) is controlled by a speed-controlled hydraulic system, standard Proctor The mold (9) is linearly movable in the axial direction It is the fact that.

2. Speed-controlled hydraulic soil sample extraction device (1) in accordance with claim 1, Feature; 25 - The piston in the triple configuration (12) is separated from each other on the piston body. It contains three separate and parallel piston elements, - The three openings of the printing caliber (6) and the three sample passes of the printing substrate (8) its opening, with the three piston elements positioned opposite each other. being, 30 - three sample extractors (13) extract three samples in parallel to each other. including the element and the three sample extraction elements in question 14 triple piston (12), printing caliber (6) and printing base plate (8) The reason is that its geometry is axially opposite to its counterpart.

3. Speed-controlled hydraulic soil sample extraction device (1) in accordance with claim 2, feature; - The piston in triple configuration (12) has a diameter of approximately 114.30 mm. The piston body has three piston elements with a diameter of approximately 25 mm. including, - printing caliber (6), with an outer diameter of approximately 114.30 mm and a width of approximately 42.40 It has three openings with a diameter of mm, - The sample extractor (13) extracts three samples with a diameter of approximately 38 mm. It contains the element.

4. Speed-controlled hydraulic soil sample extraction device (1) in accordance with Claim 1, feature; - the piston in single configuration (12), central on the piston body It contains a single piston element positioned in 15 - central opening of the printing caliber (6), central of the printing base plate (8) sample passage opening and single sample extractor (13) sample extraction the element's operating axis is the same as the single piston element in question. It is located on it.

5. Speed-controlled hydraulic soil sample extraction device (1) according to claim 4, 20 feature; - the piston in single configuration (12) has a diameter of approximately 114.30 mm A single piston element with a diameter of approximately 55 mm on the piston body. including, - printing caliber (6), with an outer diameter of approximately 114.30 mm and a width of approximately 55 mm 25 having a central opening of a certain diameter, - The sample extractor (13) has a single sample extraction with a diameter of approximately 50 mm. It contains the element.

6. Speed-controlled hydraulic soil sample extraction device (1) in accordance with Claim 1, Feature; 30 - standard Proctor plate (9), on the printing base plate (8) its location - centering of the centering piece (14) with the press centering (5); piston (12), press caliber (6), standard Proctor mold (9), printing base plate (8) and sample aligning the working directions of the extractor (13) with each other The press is located on the main body (2). 10 20 30