A wear-resistant performance detection device and detection method for embedded parts

Abstract

The present invention discloses a device and a method for detecting the wear resistance of an emplacement component. The soil trough test box is annular in structure and has an annular opening on its top. By setting the soil trough test box in an annular structure, test soil is gathered. A clamping mechanism and a compacting mechanism are fixed above the annular opening. A sample is installed on the clamping mechanism, which passes through the annular opening and extends into the test soil inside the annular opening. The sample makes a circular motion along the annular opening relative to the rotating soil trough test box, so that the sample can continuously rub against the test soil in the soil trough test box. A compacting part for compacting the test soil is movably provided on the compacting mechanism. When the sample continuously rubs against the test soil, the compacting part cooperates with the compacting part to compact the turned test soil, thereby restoring the wear condition of the emplacement component when working in the field to the greatest extent, so as to facilitate research and analysis on the wear of the sample, explore more realistic wear and failure laws of agricultural tools, and more accurately evaluate the effects of different surface treatments.

Description

Technical Field

[0001] The present invention relates to the technical field of testing and evaluating the wear resistance of materials of agricultural machinery embedded parts, and in particular to a device and method for testing the wear resistance of embedded parts. Background Art

[0002] Agricultural machinery components that penetrate the soil (such as plowshares, rotary blades, and disc harrows) operate in harsh environments. Operating in open air, these components interact with gravel and crop straw in the soil, resulting in severe wear, particularly abrasive wear. To improve the wear resistance of these components, surface coatings using technologies such as surfacing welding and laser cladding are widely used both domestically and internationally. However, before these components enter the market in large quantities, indoor wear performance testing is lacking to ensure their high performance. Current testing methods primarily rely on field tests and soil trough test benches. Direct field evaluation is significantly affected by seasonality and climate, and field testing is lengthy and expensive. Soil trough test benches require large floor space, intermittent testing, and soil restoration in the troughs is largely manual. Laboratory tests using dry rubber wheel abrasive wear tests or universal testing machines are also commonly used to evaluate the wear resistance of agricultural machinery components. However, these methods are far removed from the actual working conditions of the components in the field and, therefore, cannot effectively assess their wear resistance.

[0003] Patent document CN209264478U discloses a small rotary blade wear test device, which includes a sand box filled with sand and a rotating shaft mounted on the sand box. Three rotary blade holders on the left side are welded at a 120° angle to the same cross-section on the left side of the rotating shaft. Three rotary blade holders on the right side are welded at a 120° angle to the same cross-section on the right side of the rotating shaft. Adjacent rotary blade holders are welded at a 60° angle between the two cross-sections. A left-curving rotary blade is mounted on the left rotary blade holder, and a right-curving rotary blade is mounted on the right rotary blade holder. A variable frequency speed motor is connected to a reducer via coupling 2 to provide power. The reducer reduces the speed and increases the output torque, which drives the rotating shaft through coupling 1. The rotating shaft drives the left and right rotary blades through the rotary blade holders, where they come into contact with the sand in the sand box for wear testing. A fiberglass cover prevents sand from splashing. However, this device does not guarantee the authenticity of the simulated rotary blade wear. Summary of the Invention

[0004] The purpose of the present invention is to provide a device and method for detecting the wear resistance of burying parts to solve the problems existing in the above-mentioned prior art. By rotating the soil trough test box and using a clamping mechanism to extend the sample into the test soil of the soil trough test box, and cooperating with a compacting part to compact the turned test soil, the wear condition of the burying parts when working in the field can be restored to the greatest extent, so as to facilitate the research and analysis of the wear of the samples, explore the more realistic wear and failure laws of agricultural tools, and more accurately evaluate the effects of different surface treatments.

[0005] To achieve the above-mentioned purpose, the present invention provides the following solution: The present invention provides a device for testing the wear resistance of embedded parts, comprising a soil trough test box that can rotate and with its rotation axis vertically arranged, the soil trough test box having an annular structure and an annular opening at its top, a clamping mechanism and a compacting mechanism fixed above the annular opening, a sample passing through the annular opening and extending into the test soil inside the annular opening being installed on the clamping mechanism, the sample making a circular motion along the annular opening relative to the rotating soil trough test box, and a compacting part for compacting the test soil being movably provided on the compacting mechanism.

[0006] Preferably, it further comprises a base bracket for rotationally connecting the soil trough test box, and a speed regulating motor for driving the soil trough test box to rotate is installed on the base bracket.

[0007] Preferably, the clamping mechanism is equipped with a clamping frame, the clamping frame is provided with a clamping motor and a spline shaft transmission-connected to the clamping motor, the spline shaft is a telescopic structure and extends in the vertical direction, the clamping mechanism is connected to the bottom end of the spline shaft, and the clamping frame is provided with a lifting mechanism for driving the clamping mechanism to move.

[0008] Preferably, a torque sensor is provided between the spline shaft and the clamping mechanism.

[0009] Preferably, a plurality of clamping rods with different soil penetration angles are provided at the bottom of the clamping mechanism facing the soil, the clamping rods are arranged at intervals, and the specimens are correspondingly plugged into the clamping rods.

[0010] Preferably, the compacting mechanism includes a compacting frame, the compacting part includes a pressure rod movably arranged on the compacting frame in a vertical direction, and a pressure plate arranged at the bottom end of the pressure rod, the width of the pressure plate matches the width of the annular opening, and the compacting frame is also provided with a pressure rod driving mechanism for driving the pressure rod to move.

[0011] Preferably, a lifting platform is fixed at the rotation axis of the soil trough test box, and the lifting platform is provided with a sensor fixing plate that slides in the vertical direction. The sensor fixing plate is provided with a soil firmness sensor and a soil moisture sensor that are vertically facing the annular opening. When the sensor fixing plate is at the highest point, the soil firmness sensor and the soil moisture sensor are both higher than the clamping mechanism and the compaction mechanism.

[0012] Preferably, the sensor fixing plate is provided with a horizontal extension portion extending radially along the soil trough test box, and the soil firmness sensor and the soil moisture sensor are spaced apart on the horizontal extension portion.

[0013] Preferably, the test soil comprises a mixture of soil, sand and crop straw.

[0014] A method for detecting the wear resistance of embedded parts is also provided, comprising the following steps:

[0015] Preparation: Photograph and weigh the specimen, record the data, install the specimen on the clamping mechanism, place test soil from the simulated verification area into the soil trough test chamber, raise the sensor fixing plate to the highest point, turn on the speed regulating motor and compaction mechanism of the soil trough test chamber, and adjust the compaction frequency and pressure of the compaction mechanism.

[0016] Test parameter setting: The speed of the soil trough test box is set by the speed regulating motor, the speed of the clamping mechanism is adjusted by the clamping motor, and the height of the clamping mechanism is set by the lifting mechanism to adjust the depth of the sample into the soil. The height of the sensor fixing plate is adjusted to adjust the detection depth of each sensor. The number of sensor detections, the number of sample rotations and the duration are set according to actual measurement requirements.

[0017] Test process monitoring: After the test parameters are set, the test begins. During the test, the test movement speed, time, torque, soil firmness, soil moisture, etc. are monitored. When the set number of circles or duration is reached, the sample is removed.

[0018] Post-test processing: Take out the test specimens, take photos of the worn parts of the specimens, weigh them, measure the weight loss, and record the data. According to the set initial values ​​and the tested firmness and humidity data, organize the weight loss of the specimens after the test, conduct research and analysis, explore the wear failure laws, and evaluate the effects of different surface treatments.

[0019] Compared with the prior art, the present invention has achieved the following technical effects:

[0020] First, the soil trough test box has an annular structure with an annular opening at its top. By setting the soil trough test box in an annular structure, the test soil is filled along the annular structure. The annular structure reacts on the test soil and gathers the test soil, preventing the sample from moving the test soil and pushing it toward the outer or inner circumference without the restriction of the annular structure, resulting in the subsequent test soil being unable to effectively cover the sample. A clamping mechanism and a compacting mechanism are fixed above the annular opening. The clamping mechanism is mounted with a sample that passes through the annular opening and extends into the test soil inside it. The sample moves in a circular motion along the annular opening relative to the rotating soil trough test box, so that the sample can continuously rub against the test soil in the soil trough test box. The compacting mechanism is movably provided with a compacting part for compacting the test soil. Then, when the sample continues to rub against the test soil, the compacting part cooperates with the compacting part to compact the turned test soil, thereby maximally restoring the wear of the embedded components during field operation, thereby facilitating research and analysis of the wear of the sample, exploring more realistic wear and failure patterns of agricultural tools, and more accurately evaluating the effects of different surface treatments.

[0021] Second, it also includes a base bracket for rotating the connected soil trough test box. The base bracket is equipped with a speed-regulating motor for driving the soil trough test box to rotate. The rotation speed of the soil trough test box is adjusted by the speed-regulating motor to simulate the speed of different low-speed soil-entering components, such as plowshares, deep loosening shovels and disc harrows, when working in the field.

[0022] Third, the clamping mechanism is equipped with a clamping frame, which is equipped with a clamping motor and a spline shaft connected to the clamping motor. The spline shaft is a telescopic structure that extends in the vertical direction. The clamping mechanism is connected to the bottom end of the spline shaft, and the clamping frame is equipped with a lifting mechanism that drives the clamping mechanism to move. By providing a telescopic spline shaft, the tillage depth of the specimen can be adjusted. Furthermore, while the specimen rotates circumferentially relative to the soil trough test box, the self-rotation of the clamping mechanism also drives the specimen to rotate around the clamping mechanism at high speed, forming a compound motion. This ensures that the specimen reaches a higher movement speed in the soil trough test box, simulating the movement of high-speed soil-penetrating components such as rotary tillers when working in the field, and can also greatly shorten the test time.

[0023] Fourth, a number of clamping rods with different penetration angles are provided at the bottom of the clamping mechanism facing the soil. The clamping rods are radially spaced along the annular opening, and the specimens are correspondingly inserted into the clamping rods, so that multiple specimens with different penetration angles can be formed at the same time, thereby being able to truly and effectively simulate the penetration angles of different penetration components. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 It is a front view of the overall structure of the present invention;

[0026] Figure 2 It is a structural diagram and a top view of the clamping mechanism of the present invention;

[0027] Figure 3 A top view of the overall structure of the present invention;

[0028] Among them, 1-base bracket, 2-speed regulating motor, 3-first pulley, 4-second pulley, 5-first gearbox, 6-clamping frame, 7-drive shaft, 8-soil trough fixing plate, 9-soil trough test box, 10-test soil, 11-sample, 12-clamping mechanism, 13-lifting mechanism, 14-torque sensor, 15-spline shaft, 16-clamping motor, 17-coupling, 18-stepless speed transmission mechanism, 19-first bevel gear, 20-second bevel gear, 21-lifting platform, 22-soil firmness sensor, 23-soil moisture sensor, 24-sensor fixing plate, 25-compacting part, 26-crank mechanism, 27-pressure rod, 28-DC motor, 29-compacting frame, 30-control panel, 31-spline interface, 32-clamping rod. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] The purpose of the present invention is to provide a device and method for detecting the wear resistance of burying parts to solve the problems existing in the above-mentioned prior art. By rotating the soil trough test box and using a clamping mechanism to extend the sample into the test soil of the soil trough test box, and cooperating with a compacting part to compact the turned test soil, the wear condition of the burying parts when working in the field can be restored to the greatest extent, so as to facilitate the research and analysis of the wear of the samples, explore the more realistic wear and failure laws of agricultural tools, and more accurately evaluate the effects of different surface treatments.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Please refer to Figures 1 to 3 The present embodiment provides a device for testing the wear resistance of embedded components, including a soil trough test box 9 that can rotate and has a vertically arranged rotation axis. The soil trough test box 9 is annular and has an annular opening at the top. By setting the soil trough test box 9 in an annular structure, the test soil 10 is filled along the annular structure. The annular structure reacts on the test soil 10 and gathers the test soil 10, thereby preventing the sample 11 from pushing the test soil 10 and pushing it toward the outer or inner circumference without the restriction of the annular structure, resulting in the subsequent test soil 10 being unable to form an effective covering effect on the sample 11. A clamping mechanism 12 and a compacting mechanism are fixed above the annular opening. The clamping mechanism 12 is equipped with a test soil 10 that passes through the annular opening and extends into the inner side thereof. The sample 11 in the soil trough test box 9 makes a circular motion along the annular opening relative to the rotating soil trough test box 9, so that the sample 11 can continue to rub in the test soil 10 in the soil trough test box 9. The compacting mechanism is movably provided with a compacting part 25 for compacting the test soil 10. When the sample 11 continues to rub in the test soil 10, the compacting part 25 cooperates to compact the turned test soil 10 to achieve the solidification of the loose soil, so that the sample 11 can continue to rotate in the compacted test soil 10, which can restore the wear of the soil-entering components when working in the field to the greatest extent, so as to facilitate the research and analysis of the wear of the sample 11, explore the more realistic wear and failure laws of agricultural tools, and more accurately evaluate the effects of different surface treatments.

[0033] The apparatus also includes a base bracket 1 for rotationally connecting to a soil trough test box 9. A speed-regulating motor 2 is mounted on the base bracket 1 to drive the soil trough test box 9 to rotate. The speed-regulating motor 2 adjusts the rotation speed of the soil trough test box 9 to simulate the speeds of various soil-penetrating components, such as plowshares, deep-soiling blades, and disc harrows, operating in the field. For example, if the test piece is a plowshare and a disc harrow, the operating speeds may differ, and the rotation speed can be adjusted based on actual conditions. The base bracket 1 is preferably also equipped with a control system, primarily for setting test parameters and monitoring the display. Specifically, a transmission mechanism, including a belt drive assembly, a first gearbox 5, and a drive shaft 7, is disposed between the speed-regulating motor 2 and the soil trough test box 9. Power is transmitted to the belt drive assembly and the first gearbox 5 via the output shaft of the speed-regulating motor 2. The output shaft of the first gearbox 5 is connected to the soil trough fixed plate 8 via a flat key and fastening screws. The soil trough fixed plate 8 is bolted to the bottom of the soil trough test box 9, thereby driving the soil trough test box 9 to rotate. The belt drive assembly includes a first pulley 3 and a second pulley 4 connected by a transmission belt.

[0034] Furthermore, the clamping mechanism 12 is equipped with a clamping frame 6, and the clamping frame 6 is provided with a clamping motor 16 and a spline shaft 15 connected to the clamping motor 16. Preferably, a continuously variable transmission mechanism 18 is provided between the clamping motor 16 and the spline shaft 15, and a coupling 17 is provided between the clamping motor 16 and the continuously variable transmission mechanism 18. The spline shaft 15 is a telescopic structure and extends in the vertical direction. The clamping mechanism 12 is connected to the bottom end of the spline shaft 15. In order to maintain the vertical state of the spline shaft 15, the first bevel gear 19 and the second bevel gear 20 of the two transmissions are set for adjustment, and Preferably, the clamping mechanism 12 is provided with a spline interface 31, which is connected to the spline shaft 15 via the spline interface 31 to ensure that the spline shaft 15 drives the clamping mechanism 12 to rotate. In other words, the power is provided by the clamping motor 16, transmitted to the spline shaft 15 via the continuously variable transmission mechanism 18, and connected to the clamping mechanism 12 via the spline shaft 15, thereby driving the specimen to rotate. The clamping frame 6 is provided with a lifting mechanism 13 that drives the clamping mechanism 12 to move. By providing a retractable spline shaft 15, the specimen plowing depth can be adjusted to meet the plowing depth requirements of various working states of the embedded components. Furthermore, while the specimen 11 rotates circumferentially relative to the soil trough test box, the rotation of the clamping mechanism 12 also drives the specimen 11 to rotate around the clamping mechanism 12, ensuring that the specimen 11 reaches a higher movement speed in the soil trough test box, simulating the movement of high-speed embedded components such as rotary tillers when working in the field, and also greatly shortening the test time.

[0035] The lifting mechanism 13 adopts a hydraulic lifting device, etc., which is fixed on the clamping frame 6. By changing the telescopic length of the spline shaft 15, the lifting and lowering of the clamping mechanism 12 is realized to change the burial depth of the sample 11.

[0036] Preferably, a torque sensor 14 is provided between the spline shaft 15 and the clamping mechanism 12. Preferably, the torque sensor 14 is fixed to the hydraulic lifting device with bolts to detect the torque change of the sample 11 during the test.

[0037] As a preferred embodiment of the present invention, a plurality of clamping rods 32 are provided at the bottom of the clamping mechanism 12 facing the soil. Test specimens 11 of different structural materials are mounted on the clamping rods 32 to facilitate comparison of different materials and structures during a single test. As a preferred embodiment of the present invention, a plurality of clamping rods 32 with different entrapment angles are provided at the bottom of the clamping mechanism 12 facing the soil. Preferably, the clamping rods 32 are radially spaced along the annular opening, or circumferentially arranged around the clamping mechanism 12. The test specimens 11 are correspondingly plugged into the clamping rods 32 to simultaneously form multiple test specimens 11 with different entrapment angles. Specifically, the top of the clamping mechanism 12 can be formed into a standard connection interface connected to the spline shaft 15, and the clamping rods 32 can be mounted on the bottom end, depending on the different entrapment angles of different entrapment components. The clamping rods 32 can be formed into different angles, such as 90°, 60°, 45°, and 30°, respectively. This allows for realistic and effective simulation of the entrapment angles of different entrapment components. Preferably, the standard connection port can be called a spline interface 31 or a square key interface.

[0038] Furthermore, the compaction mechanism includes a compaction frame 29. The compaction portion 25 includes a pressure rod 27 movably mounted on the compaction frame 29 in a vertical direction, and a pressure plate mounted at the bottom end of the pressure rod 27. The width of the pressure plate matches the width of the annular opening to fully compact the test soil 10 separated by the specimen 11. The compaction frame 29 is also provided with a pressure rod 27 driving mechanism for driving the pressure rod 27. The preferred pressure rod 27 driving mechanism includes a DC motor 28 fixed to the compaction frame 29, a transmission mechanism, a crank mechanism 26, and a cylindrical slide. The power output by the DC motor 28 is transmitted to the crank mechanism 26 via a reducer. The crank mechanism 26 is connected to the pressure rod 27. The crank mechanism 26 then drives the pressure rod 27 to move along the cylindrical slide. The cylindrical slide is arranged in the vertical direction, thereby causing the pressure rod 27 to reciprocate in the vertical direction to achieve compaction of the test soil 10.

[0039] Furthermore, a lifting platform 21 is fixed to the rotation axis of the soil trough test box 9. The lifting platform 21 is provided with a sensor fixing plate 24 that slides vertically. The sensor fixing plate 24 is provided with a soil firmness sensor 22 and a soil moisture sensor 23 that are vertically opposite the annular opening, used to collect soil firmness and soil moisture data. When the sensor fixing plate 24 is at its highest point, the soil firmness sensor 22 and the soil moisture sensor 23 are both higher than other structures on the soil trough test box 9 to prevent the rotation of the two sensors from interfering with other structures. Preferably, a hydraulic cylinder and a lifting slide are provided on the lifting platform 21. The hydraulic cylinder drives the sensor fixing plate 24 to move up and down on the lifting slide. During measurement, the hydraulic cylinder drives the sensor fixing plate 24 downward, using the soil firmness sensor 22 and the soil moisture sensor 23 to detect the firmness and moisture of the test soil 10, and then rises to the highest point. When not measuring, the sensor fixing plate 24 is placed at the highest point. Preferably, to prevent the two sensors from interfering with each other during measurement, the soil firmness sensor 22 and the soil moisture sensor 23 are spaced apart.

[0040] Preferably, in order to simplify the structure of the entire device, the sensor fixing plate 24 is provided with a horizontal extension portion extending radially along the soil trough test box 9. Preferably, the horizontal extension portion is a plate-shaped structure or a rod-shaped structure, etc., and is opposite to the opening of the soil trough test box. The soil firmness sensor 22 and the soil moisture sensor 23 are arranged at intervals on the horizontal extension portion.

[0041] Furthermore, the test soil 10 comprises a mixture of soil, gravel, and crop straw, allowing for repeated simulation in the laboratory of the interaction between embedded components and a multi-factor coupled environment involving soil, gravel, and crop straw. This allows for investigation of the influence of humidity, firmness, and sand-gravel ratio on the wear resistance of embedded components. Preferably, soil from different regions can be placed in the soil trough test box 9 and compacted by the compacting unit 25. Sensors can also be used to measure soil firmness and moisture in real time, further accurately simulating the soil conditions to be verified.

[0042] Furthermore, the entire device can repeatedly simulate the interaction between embedded components and soil, gravel, crop straw, and other multi-factor coupled environments in the laboratory. This allows for studying the effects of humidity, solidity, and sand-gravel ratio on the wear resistance of embedded components. It can also evaluate the surface wear resistance of embedded components after different surface treatments. It can simultaneously test multiple specimens 11 and even operate them at high speed, significantly shortening test time. Unaffected by external factors such as weather and season, it enables repeated testing under laboratory conditions around the clock.

[0043] Furthermore, a method for detecting the wear resistance performance of embedded components is provided, comprising the following steps:

[0044] Preparation: Photograph and weigh the sample 11, and record the data. Mount the sample 11 on the clamping mechanism 12. Place test soil 10 from the simulated verification area in the soil trough test box 9. Raise the sensor fixing plate 24 to the highest point to prevent the sensors from interfering with the clamping mechanism and the compacting mechanism when the soil trough test box 9 rotates. Turn on the speed regulating motor 2 and the compacting mechanism of the soil trough test box 9, and adjust the compacting frequency and pressure of the compacting mechanism so that all test soils 10 are in a compacted state. Preferably, untreated and differently surface-treated samples 11 can be installed for control tests. Preferably, soil from the simulated verification area is placed in the soil trough test box 9 and mixed with sand, gravel, water, crop straw, etc. in proportion.

[0045] Test parameter setting: the rotation speed of the soil trough test box 9 is set by the speed regulating motor 2, the rotation speed of the clamping mechanism 12 is adjusted by the clamping motor 16, and the height of the clamping mechanism 12 is set by the lifting mechanism 13, thereby adjusting the depth of the sample 11 into the soil, adjusting the height of the sensor fixing plate 24 to adjust the detection depth of each sensor, setting the number of sensor detections according to actual measurement requirements, and setting the number of rotations and duration of the sample 11; preferably, the control system includes a control panel 30, and various parameters are set on the control panel 30; the actual working angle, speed, and tillage depth of different burying components such as plowshares, rotary blades, and disc harrows are different, and the experimental device can adjust the working parameters according to requirements; and the rotation speed, tillage depth, compaction frequency, etc. during the test can be set through the control panel 30, and the soil firmness, moisture, and torque information of the sample 11 are collected and processed in real time through the sensors under the data acquisition system;

[0046] Test process monitoring: After the test parameters are set, the test is started. During the test, the test movement speed, time, torque, soil firmness, soil moisture, etc. are monitored. When the set number of circles or time is reached, the sample 11 is removed;

[0047] Post-test processing: Take out the sample 11 after the test, take photos and record the worn parts of the sample 11, weigh it, measure the weight loss, and record the data. According to the set initial value and the data of the tested firmness and humidity, organize the weight loss of the sample 11 after the test, conduct research and analysis, explore the wear failure law, and evaluate the effects of different surface treatments.

[0048] Adaptive changes based on actual needs are all within the scope of protection of the present invention.

[0049] It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0050] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A device for detecting wear resistance of buried parts, characterized in that: The invention comprises a soil trough test box that can rotate and has a vertically arranged rotation axis. The soil trough test box has an annular structure and an annular opening at the top. By arranging the soil trough test box in an annular structure, the test soil is filled along the annular structure of the soil trough test box. The annular structure of the soil trough test box reacts on the test soil and gathers the test soil. A clamping mechanism and a compacting mechanism are fixed above the annular opening. A sample is installed on the clamping mechanism, passing through the annular opening and extending into the test soil inside the annular opening. The sample makes a circular motion along the annular opening relative to the rotating soil trough test box. The compacting mechanism is movably provided with a compacting part for compacting the test soil. The clamping mechanism is equipped with a clamping frame, which is provided with a clamping motor and a spline shaft connected to the clamping motor. The spline shaft is a telescopic structure and extends in the vertical direction. The clamping mechanism is connected to the bottom end of the spline shaft, and the clamping frame is provided with a lifting mechanism for driving the clamping mechanism to move.

2. The wear resistance testing device for embedded parts according to claim 1, characterized in that: It also includes a base bracket for rotatably connecting the soil trough test box, and a speed regulating motor for driving the soil trough test box to rotate is installed on the base bracket.

3. The wear resistance testing device for embedded parts according to claim 2, characterized in that: A torque sensor is provided between the spline shaft and the clamping mechanism.

4. The wear resistance testing device for embedded parts according to claim 3, characterized in that: A plurality of clamping rods with different soil penetration angles are provided at the bottom of the clamping mechanism facing the soil. The clamping rods are arranged at intervals, and the specimens are correspondingly plugged into the clamping rods.

5. The wear resistance testing device for embedded parts according to claim 4, characterized in that: The compacting mechanism includes a compacting frame, and the compacting part includes a pressure rod movably arranged on the compacting frame in a vertical direction and a pressure plate arranged at the bottom end of the pressure rod. The width of the pressure plate matches the width of the annular opening. The compacting frame is also provided with a pressure rod driving mechanism for driving the pressure rod to move.

6. The wear resistance testing device for embedded parts according to claim 5, characterized in that: A lifting platform is fixed at the rotating axis of the soil trough test box, and the lifting platform is provided with a sensor fixing plate that slides in the vertical direction. The sensor fixing plate is provided with a soil firmness sensor and a soil moisture sensor that are vertically facing the annular opening. When the sensor fixing plate is at the highest point, the soil firmness sensor and the soil moisture sensor are both higher than the clamping mechanism and the compaction mechanism.

7. The wear resistance testing device for embedded components according to claim 6, characterized in that: The sensor fixing plate is provided with a horizontal extension portion extending radially along the soil trough test box, and the soil firmness sensor and the soil moisture sensor are arranged at intervals on the horizontal extension portion.

8. The wear resistance testing device for embedded parts according to claim 7, characterized in that: The test soil includes mixed soil, sand and crop straw.

9. A method for testing the wear resistance of embedded components using the device for testing the wear resistance of embedded components according to any one of claims 1 to 8, characterized in that: The steps include: Preparation: Photograph and weigh the specimen, record the data, install the specimen on the clamping mechanism, place test soil from the simulated verification area into the soil trough test chamber, raise the sensor fixing plate to the highest point, turn on the speed regulating motor and compaction mechanism of the soil trough test chamber, and adjust the compaction frequency and pressure of the compaction mechanism. Test parameter setting: The speed of the soil trough test box is set by the speed regulating motor, the speed of the clamping mechanism is adjusted by the clamping motor, and the height of the clamping mechanism is set by the lifting mechanism to adjust the depth of the sample into the soil. The height of the sensor fixing plate is adjusted to adjust the detection depth of each sensor. The number of sensor detections, the number of sample rotations and the duration are set according to actual measurement requirements. Test process monitoring: After the test parameters are set, the test begins. During the test, the test movement speed, time, torque, soil firmness, and soil moisture are monitored. When the set number of circles or duration is reached, the sample is removed. Post-test processing: Take out the test specimens, take photos of the worn parts of the specimens, weigh them, measure the weight loss, and record the data. According to the set initial values ​​and the tested firmness and humidity data, organize the weight loss of the specimens after the test, conduct research and analysis, explore the wear failure laws, and evaluate the effects of different surface treatments.

Images