Red clay bearing capacity field testing device
By linking the hydraulic servo system and the electric penetration system, and combining the infeeding device and the molding mold, the problems of inaccurate testing and difficult cleaning in the existing technology are solved, and efficient and accurate red clay bearing capacity testing is achieved.
Patent Information
- Application Number
- CN202520561016.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing field bearing capacity testing devices are susceptible to external influences, leading to inaccurate measurements. Furthermore, soil is crushed after shaping and difficult to clean.
The system employs a combination of a hydraulic servo system and an electric insertion system, along with an infeed device and a molding die, to achieve a stable cross-layout of vertical and lateral pressurization. It is also equipped with a cooling system and a receiving box to reduce manual molding time and improve testing efficiency.
It enables efficient testing under simulated actual foundation loading conditions, reduces soil spillage, improves testing accuracy and efficiency, and protects the environment.
Smart Images

Figure CN223922144U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing capacity testing device technical field especially relates to a kind of red clay bearing capacity field testing device. BACKGROUND
[0002] According to the test device for testing bearing capacity of stiff composite pile disclosed by Chinese patent No. CN219637981U, a test pile is arranged at the central position inside the simulated soil layer, and a displacement meter is arranged at each of the four corners of the top side of the test pile. A heavy platform is arranged at each of the four corners of the top of the simulated soil layer through a buttress. A jack is arranged at the top of the test pile. A press is arranged above the simulated soil layer through a frame body, and a load applying member is arranged at the output end of the press.
[0003] The above-mentioned comparative document and prior art have the following technical problems: the existing field bearing capacity testing device is affected by the external environment during testing, resulting in inaccurate measurement. In addition, during the testing of soil bearing capacity, the soil needs to be shaped by a shaping machine or artificially, and then tested. During the process, the shaped soil blocks are crushed after being pressed, and the crushed soil blocks fall everywhere, which is troublesome to clean up. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a red clay bearing capacity field testing device.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a red clay bearing capacity field testing device, comprising a box body, a guide-in device is arranged on the back surface of the box body, a balance plate is arranged at the bottom of the box body, a supporting leg is arranged at the bottom of the balance plate, a universal wheel is arranged at the bottom of the supporting leg, a box door is arranged on the front surface of the box body, a hydraulic servo system is arranged at the top inside of the box body, a shaping mold is arranged at the bottom of the hydraulic servo system, an electric penetration system is arranged on the front surface of the shaping mold, a buttress is arranged at the bottom of the electric penetration system, and a material collecting box is arranged at the bottom of the buttress.
[0006] Preferably, a guide-in button is arranged on the front surface of the guide-in device, a guide-in groove is arranged at the bottom of the guide-in button, a guide-in channel is arranged on the back surface of the guide-in device, and the guide-in channel is embedded in the back surface of the box body.
[0007] Preferably, supporting legs are arranged at the bottom of the guide-in device and the bottom of the box body, and the supporting legs penetrate through the bottom of the balance plate.
[0008] Preferably, the front of the box door is provided with a display screen, the bottom of the display screen is provided with an observation window, the bottom of the observation window is provided with a control button, and the bottom of the control button is provided with a discharge port.
[0009] Preferably, the hydraulic servo system comprises a hydraulic machine, and the bottom of the hydraulic machine is provided with a hydraulic rod, and the bottom of the hydraulic rod is provided with a pressure pad.
[0010] Preferably, the electric penetration system comprises a motor, and one end of the motor is provided with one end of an electric push rod, and the electric push rod is provided with a limiting frame.
[0011] Preferably, the front of the shaping mold is provided with a shaping guide outlet, the position of the shaping guide outlet is on the same horizontal line as the limiting frame, the top of the material collecting box is provided with a material collecting port, the front of the material collecting box is provided with a discharge slot, and the size of the discharge slot is consistent with that of the discharge port.
[0012] Beneficial effects
[0013] In the utility model, hydraulic servo system and electric penetration system are adopted, through linkage of hydraulic and electric, vertical pressure test of hydraulic servo system and stable vertical intersection layout of lateral pressure of electric penetration system, compression + shear composite working condition of actual loading state of foundation can be simulated synchronously, and pressure data and bearing capacity data can be displayed on the display screen.
[0014] In the utility model, import device and shaping mold are adopted, after red clay is imported into the import device, the inside of the import device is provided with an isolation layer with a top having a release agent, the bottom of the isolation layer is a conveying belt, the conveying belt extends to the shaping mold, the import device guides the red clay to the shaping mold through an import channel, then the red clay enters the box, the inside of the box is provided with a cold air system, after entering the box, the red clay can be tested after standing for a moment, the time of testing after shaping by a shaping machine or artificially is reduced, and the testing efficiency is improved.
[0015] In the utility model, a material collecting box is adopted, the material collecting box is located between the two side test piers, and the soil powder and soil blocks generated in the testing process fall into the inside of the material collecting box from the material collecting port, the soil blocks after pressure crushing in the testing process also enter the material collecting box, then the soil blocks are taken out through the discharge slot, the soil blocks are conveniently collected, the environment is protected, and the testing efficiency is improved. ACCURACY OF DRAWINGS
[0016] Figure 1 It is an isometric view of the utility model;
[0017] Figure 2 It is a front view of the utility model;
[0018] Figure 3 It is a rear view of the utility model;
[0019] Figure 4 is a side view of the utility model;
[0020] Figure 5 is a sectional view of the utility model;
[0021] Figure 6 is an isometric view of the utility model opening the box door;
[0022] Figure 7 is a front view of the utility model opening the box door.
[0023] Legend:
[0024] 1, box; 2, import device; 201, import button; 202, import slot; 203, import passage; 3, balance plate; 4, support leg; 5, universal wheel; 6, box door; 601, display screen; 602, observation window; 603, control button; 604, discharge port; 7, hydraulic servo system; 701, hydraulic machine; 702, hydraulic rod; 703, pressure pad block; 8, plastic mold; 801, plastic guide exit; 9, electric penetration system; 901, motor; 902, electric push rod; 903, limiting frame; 10, support pier; 11, material collecting box; 1101, material collecting port; 1102, discharge slot. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the following further describes the utility model in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, and are not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0026] The specific embodiments of the utility model are described below in combination with the drawings. Specific embodiment one:
[0028] Reference Figures 1-7The utility model provides a kind of red clay bearing capacity field testing device, including box 1, the back of box 1 is equipped with import device 2, the front of import device 2 is equipped with import button 201, the bottom of import button 201 is equipped with import slot 202, the back of import device 2 is equipped with import passage 203, import passage 203 is embedded in the back of box 1, the bottom of box 1 is equipped with balance plate 3, the bottom of balance plate 3 is equipped with support leg 4, the bottom of import device 2 and the bottom of box 1 are equipped with support leg 4, support leg 4 penetrates the bottom of balance plate 3, the bottom of support leg 4 is equipped with universal wheel 5, the front of box 1 is equipped with box door 6, the front of box door 6 is equipped with display screen 601, the bottom of display screen 601 is equipped with observation window 602, the bottom of observation window 602 is equipped with control button 603, the bottom of control button 603 is equipped with discharge port 604, the inside top of box 1 is equipped with hydraulic servo system 7, hydraulic servo system 7 includes hydraulic press 701, the bottom of hydraulic press 701 is equipped with hydraulic rod 702, the bottom of hydraulic rod 702 is equipped with pressure pad block 703, the bottom of hydraulic servo system 7 is equipped with plastic mould 8, the front of plastic mould 8 is equipped with electric penetration system 9, electric penetration system 9 includes motor 901, one end of motor 901 is equipped with electric push rod 902, one end of electric push rod 902 is equipped with limit frame 903, the bottom of electric penetration system 9 is equipped with support 10, the bottom of support 10 is equipped with material receiving box 11, the front of plastic mould 8 is equipped with plastic guide exit 801, the position of plastic guide exit 801 and limit frame 903 are on the same horizontal line, the top of material receiving box 11 is equipped with material receiving port 1101, the front of material receiving box 11 is equipped with discharge slot 1102, discharge slot 1102 is consistent with the size of discharge port 604, import device 2 and plastic mould 8 are adopted, after red clay is imported into import device 2, isolation layer with top smearing release agent is equipped in the inside of import device 2, the bottom of isolation layer is conveying belt, conveying belt extends to plastic mould 8, import device 2 will guide red clay to plastic mould 8 through the conveying belt of import passage 203, then enter into box 1, cold air system is equipped in the inside of box 1, after entering into box 1, just rest for a while to test, reduce the time of testing after shaping machine or artificial shaping, improve test efficiency. Specific embodiment two:
[0030] Refer to Figure 6 , install bionic tree root shape sensor layout on support 10, six groups of micro six-dimensional force sensors are distributed in concentric circles with bearing plate as center, real-time capture the radial stress decay gradient and plastic zone expansion form when red clay is under load, each sensor unit integrates MCU preprocessing chip, realize millisecond level data fusion through CAN bus, eliminate long distance transmission signal attenuation problem.
[0031] Summarized above:
[0032] 1. The hydraulic servo system 7 and the electric penetration system 9 are adopted, linkage through hydraulic and electric is realized, the vertical pressure test of the hydraulic servo system 7 and the vertical cross layout of the lateral pressure stable of the electric penetration system 9 can simulate the compression + shear compound working condition of the actual loading state of the foundation synchronously;
[0033] 2. The introduction device 2 and the shaping mold 8 are adopted, the red clay is introduced into the introduction device 2, the introduction device 2 is internally provided with an isolation layer with a top smearing release agent, the bottom of the isolation layer is a conveying belt, the conveying belt extends to the shaping mold 8, the introduction device 2 guides the red clay to the shaping mold 8 through the conveying belt on the introduction channel 203, then enters the box 1, the box 1 is internally provided with a cold air system, after entering the box 1, a test can be carried out after standing for a moment, the time for testing after shaping by a shaping machine or artificially is reduced, and the test efficiency is improved;
[0034] 3. The material collecting box 11 is adopted, the material collecting box 11 is located between the two test buttresses 10, the soil powder and soil blocks generated during the test fall into the interior of the material collecting box 11 from the material collecting opening 1101, the soil blocks after being crushed under pressure during the test also enter the material collecting box 11, then the soil blocks are taken out through the discharging groove 1102, the soil blocks are conveniently collected, the environment is protected, and the test efficiency is improved.
[0035] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature is "on", "above" and "on the surface" of the second feature, which includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "under", "below" and "under" the second feature, which includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0036] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A device for in-situ testing of bearing capacity of red clay, comprising a box (1), characterized in that: The back of the box (1) is provided with an import device (2), the bottom of the box (1) is provided with a balance plate (3), the bottom of the balance plate (3) is provided with a support leg (4), the bottom of the support leg (4) is provided with a universal wheel (5), the front of the box (1) is provided with a box door (6), the inside top of the box (1) is provided with a hydraulic servo system (7), the bottom of the hydraulic servo system (7) is provided with a plastic mold (8), the front of the plastic mold (8) is provided with an electric penetration system (9), the bottom of the electric penetration system (9) is provided with a support pier (10), the bottom of the support pier (10) is provided with a material receiving box (11).
2. The device for testing the bearing capacity of red clay in situ according to claim 1, characterized in that: The front of the import device (2) is provided with an import button (201), the bottom of the import button (201) is provided with an import slot (202), the back of the import device (2) is provided with an import channel (203), and the import channel (203) is embedded in the back of the box (1).
3. The device for testing the bearing capacity of red clay in situ according to claim 2, characterized in that: The bottom of the import device (2) and the bottom of the box (1) are both provided with a support leg (4), and the support leg (4) penetrates the bottom of the balance plate (3).
4. The device for testing the bearing capacity of red clay in situ according to claim 1, characterized in that: The front of the box door (6) is provided with a display screen (601), the bottom of the display screen (601) is provided with an observation window (602), the bottom of the observation window (602) is provided with a control button (603), and the bottom of the control button (603) is provided with a discharge port (604).
5. The device for testing the bearing capacity of red clay in situ according to claim 1, characterized in that: The hydraulic servo system (7) comprises a hydraulic machine (701), the bottom of the hydraulic machine (701) is provided with a hydraulic rod (702), and the bottom of the hydraulic rod (702) is provided with a pressure pad (703).
6. The device for testing the bearing capacity of red clay in situ according to claim 1, characterized in that: The electric penetration system (9) comprises an electric machine (901), one end of the electric machine (901) is provided with one end of an electric push rod (902), and the electric push rod (902) is provided with a limiting frame (903).
7. The device for testing the bearing capacity of red clay in situ according to claim 1, characterized in that: The front of the plastic mold (8) is provided with a plastic guide outlet (801), the position of the plastic guide outlet (801) is on the same horizontal line as the limiting frame (903), the top of the material receiving box (11) is provided with a material receiving port (1101), the front of the material receiving box (11) is provided with a discharge slot (1102), and the discharge slot (1102) is consistent with the size of the discharge port (604).
Citation Information
Patent Citations
Testing device for testing bearing capacity of stiff composite pile
CN219637981U