CN114935520A - Device and method for detecting wear resistance of soil-entering part - Google Patents
Device and method for detecting wear resistance of soil-entering part Download PDFInfo
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- CN114935520A CN114935520A CN202210491277.3A CN202210491277A CN114935520A CN 114935520 A CN114935520 A CN 114935520A CN 202210491277 A CN202210491277 A CN 202210491277A CN 114935520 A CN114935520 A CN 114935520A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 175
- 238000012360 testing method Methods 0.000 claims abstract description 158
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 238000005056 compaction Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000004381 surface treatment Methods 0.000 claims abstract description 7
- 238000011160 research Methods 0.000 claims abstract description 3
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- 238000001514 detection method Methods 0.000 claims description 12
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- 238000012544 monitoring process Methods 0.000 claims description 7
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- 239000004576 sand Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 6
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- 238000011156 evaluation Methods 0.000 description 4
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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Abstract
The invention discloses a device and a method for detecting the wear resistance of an embedded part, wherein a soil tank test box is of an annular structure, the top of the soil tank test box is provided with an annular opening, test soil is gathered by arranging the soil tank test box to be of the annular structure, a clamping mechanism and a compacting mechanism are fixed above the annular opening, a sample which penetrates through the annular opening and extends into the test soil on the inner side of the clamping mechanism is arranged on the clamping mechanism, the sample does circular motion relative to the autorotation soil tank test box along the annular opening so as to enable the sample to continuously rub in the test soil in the soil tank test box, a compaction part for compacting the test soil is movably arranged on the compacting mechanism, and further when the sample continuously rubs in the test soil, the turned test soil is compacted by matching with the compacting part, so that the abrasion condition of the embedded part during field work can be furthest reduced, and the research and analysis of the abrasion of the sample can be conveniently carried out, the more real wear failure rule of the farm tool is explored, and the effects of different surface treatments are evaluated more accurately.
Description
Technical Field
The invention relates to the technical field of detection and evaluation of wear resistance of materials of an agricultural machine buried part, in particular to a device and a method for detecting the wear resistance of the buried part.
Background
Agricultural machinery buried parts (such as ploughshares, rotary blades, disc rakes and the like) work in severe environments and work in open air, and the parts interact with gravels and crop straws in soil to cause severe abrasion, particularly abrasive particle abrasion. In order to improve the wear resistance of the buried part, the surface coating is generally prepared by technologies such as surfacing, laser cladding and the like at home and abroad, but before the buried part is massively introduced into the market, indoor wear performance detection is lacked so as to ensure the high-quality performance of the buried part. Most of the existing detection methods mainly adopt field tests and soil tank test beds. The direct evaluation test in the field is greatly influenced by seasons and climate, and the field test has long test period and high cost. The soil tank test bed has large floor area and discontinuous test, and the soil in the soil tank is mostly recovered by manpower. The wear resistance of agricultural machinery parts is also commonly evaluated by a dry rubber wheel abrasive wear test method or a universal testing machine in a laboratory, but the wear resistance is far away from the actual working condition of the parts in the field, so that the wear resistance of the agricultural machinery parts cannot be effectively evaluated.
And patent document CN209264478U discloses a small rotary blade wear test device, in which sand is filled in a sand box, and a rotating shaft is mounted on the sand box; two rotary blade holders on the left side are welded at the same section position on the left side of the rotating shaft at an included angle of 120 degrees, two rotary blade holders on the right side are welded at the same section position on the right side of the rotating shaft at an included angle of 120 degrees, and two adjacent rotary blade holders between the two sections form an included angle of 60 degrees; the left-bending rotary blade is arranged on the left rotary blade seat, and the right-bending rotary blade is arranged on the right rotary blade seat; the variable-frequency speed regulating motor is connected with the speed reducer through the second coupling to provide power; the speed reducer reduces the rotating speed and improves the output torque, and the rotating shaft is driven to rotate through the first coupling; the rotary shaft drives the left-bending rotary blade and the right-bending rotary blade to rotate through the rotary blade seat, and the rotary blade is in contact with sand grains in the sand box to carry out an abrasion test, and the glass fiber reinforced plastic cover prevents the sand grains from splashing. But it cannot guarantee the reality of the simulation abrasion of the rotary blade.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the wear resistance of an embedded part, which are used for solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a device for detecting the wear resistance of an embedded part, which comprises a soil box test box capable of rotating and vertically arranging a rotating axis, wherein the soil box test box is of an annular structure, an annular opening is formed in the top of the soil box test box, a clamping mechanism and a compacting mechanism are fixed above the annular opening, a sample penetrating through the annular opening and extending into test soil on the inner side of the clamping mechanism is installed on the clamping mechanism, the sample does circular motion along the annular opening relative to the self-rotating soil box test box, and a compaction part for compacting the test soil is movably arranged on the compacting mechanism.
Preferably, the soil tank test box further comprises a base support which is used for being connected with the soil tank test box in a rotating mode, and a speed regulating motor which is used for driving the soil tank test box to rotate is installed on the base support.
Preferably, the clamping mechanism is provided with a clamping frame in a matching manner, the clamping frame is provided with a clamping motor and a spline shaft which is in transmission connection with the clamping motor, the spline shaft is of a telescopic structure and extends along 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.
Preferably, a torque sensor is arranged between the spline shaft and the clamping mechanism.
Preferably, a plurality of clamping rods with different soil penetration angles are arranged at the position, right opposite to soil, of the bottom of the clamping mechanism, the clamping rods are arranged at intervals, and the samples are correspondingly inserted into the clamping rods.
Preferably, the compacting mechanism comprises a compacting frame, the compacting part comprises a pressing rod which is movably arranged on the compacting frame along the vertical direction, and a pressing plate arranged at the bottom end of the pressing rod, the width of the pressing plate is matched with that of the annular opening, and a pressing rod driving mechanism for driving the pressing rod to move is further arranged on the compacting frame.
Preferably, a lifting table is fixed at the rotating axis of the soil tank test box, a sensor fixing plate is arranged on the lifting table in a sliding mode along the vertical direction, a soil firmness sensor and a soil moisture sensor which are opposite to the annular opening along the vertical direction are arranged on the sensor fixing plate, and the soil firmness sensor and the soil moisture sensor are higher than the clamping mechanism and the compacting mechanism when the sensor fixing plate is located at the highest position.
Preferably, the sensor fixing plate is provided with a horizontal extension part extending along the radial direction of the soil tank test box, and the soil firmness sensor and the soil moisture sensor are arranged on the horizontal extension part at intervals.
Preferably, the test soil comprises mixed soil, sand and crop straws.
The detection method of the device for detecting the wear resistance of the soil-entering part comprises the following steps:
preparation: taking a picture of the sample, weighing the sample, recording data, installing the sample on a clamping mechanism, putting test soil in a simulation verification area in a soil tank test box, raising a sensor fixing plate to the highest point, opening a speed regulating motor and a compaction mechanism of the soil tank test box, and adjusting the upper and lower compaction frequency and pressure of the compaction mechanism;
setting test parameters: setting the rotating speed of the soil tank test box through a speed regulating motor, adjusting the rotating speed of a clamping mechanism through a clamping motor, setting the height of the clamping mechanism through a lifting mechanism, further adjusting the soil penetration depth of a sample, adjusting the height of a sensor fixing plate to adjust the detection depth of each sensor, setting the detection times of the sensors according to actual measurement requirements, and setting the number of turns and the time length of sample rotation;
monitoring the test process: after the test parameters are set, starting the test, monitoring the test movement speed, time, torque, soil firmness, soil humidity and the like in the test process, and taking down the sample after the set number of turns or time is reached;
and (3) post-treatment of the test: and taking out the test sample, taking a picture of the worn part of the test sample, weighing, measuring the weight loss condition, recording data, arranging the weight loss condition of the test sample according to the set initial value and the detected data of the firmness and humidity, researching and analyzing, exploring the wear failure rule, and evaluating the effects of different surface treatments.
Compared with the prior art, the invention has the following technical effects:
firstly, the soil box test box is of an annular structure, the top of the soil box test box is provided with an annular opening, the soil box test box is arranged to be of the annular structure, test soil is filled along the annular structure, the annular structure reacts on the test soil and gathers the test soil, the situation that the test soil is stirred by a sample and is pulled to the outer side or the inner side under the limitation of no annular structure, so that the subsequent test soil cannot form an effective coating effect on the sample is avoided, a clamping mechanism and a compacting mechanism are fixed above the annular opening, the clamping mechanism is provided with the sample which penetrates through the annular opening and extends into the test soil at the inner side, the sample does circular motion relative to the autorotation soil box test box along the annular opening, so that the sample can continuously rub in the test soil in the soil box, the compacting mechanism is movably provided with a compaction part for compacting the test soil, and further when the sample continuously rubs in the test soil, the test soil that cooperates the compaction portion to turn over is compacted, can restore the wearing and tearing condition of the part that buries in field during operation to the at utmost to study and analyze the wearing and tearing of sample, explore the more real wear failure law of agricultural implement, the effect of different surface treatment of more accurate evaluation.
And secondly, the device also comprises a base support which is used for being rotatably connected with the soil box test box, a speed regulating motor which is used for driving the soil box test box to rotate is arranged on the base support, and the rotating speed of the soil box test box is regulated by the speed regulating motor, so that different low-speed soil entering components, such as a plough share, a subsoiler, a disc harrow and the like, can be simulated, and the speed of the device can be increased when the device works in the field.
And thirdly, the clamping mechanism is matched with a clamping rack, a clamping motor and a spline shaft in transmission connection with the clamping motor are arranged on the clamping rack, the spline shaft is of a telescopic structure and extends in the vertical direction, the clamping mechanism is connected to the bottom end of the spline shaft, an elevating mechanism for driving the clamping mechanism to move is arranged on the clamping rack, and the tilling depth of the sample can be adjusted by arranging the telescopic spline shaft. Furthermore, the sample is driven to rotate at a high speed around the clamping mechanism through the rotation of the clamping mechanism while rotating along the circumferential direction relative to the soil box test box, so that compound motion is formed, the sample can reach a higher motion speed in the soil box test box, the motion of high-speed soil-entering parts such as rotary blades and the like during field work is simulated, and the test time can be greatly shortened.
Fourthly, the bottom of the clamping mechanism is provided with a plurality of clamping rods with different soil-entering angles at positions opposite to the soil, the clamping rods are arranged at intervals along the radial direction of the annular opening, and the samples are correspondingly inserted into the clamping rods so as to form a plurality of samples with different soil-entering angles at the same time, so that the soil-entering angles of different soil-entering parts can be truly and effectively simulated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a block diagram and a top view of the clamping mechanism of the present invention;
FIG. 3 is a top view of the overall structure of the present invention;
the device comprises a base support 1, a speed regulating motor 2, a first belt pulley 3, a second belt pulley 4, a first gearbox 5, a clamping rack 6, a transmission shaft 7, a soil groove fixing disc 8, a soil groove test box 9, test soil 10, a test sample 11, a clamping mechanism 12, a lifting mechanism 13, a torque sensor 14, a spline shaft 15, a clamping motor 16, a coupler 17, a stepless speed change transmission mechanism 18, a first bevel gear 19, a second bevel gear 20, a lifting table 21, a soil firmness sensor 22, a soil moisture sensor 23, a sensor fixing plate 24, a compaction part 25, a crank mechanism 26, a compression bar 27, a direct current motor 28, a speed regulating motor 2, a speed regulating motor 6, a speed regulating motor 2, a speed regulating motor 26, a speed regulating motor speed regulating mechanism 26, a speed regulating mechanism, a, 29-compacting frame, 30-control panel, 31-spline interface and 32-clamping rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide a device and a method for detecting the wear resistance of an embedded part, which are used for solving the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 3, the embodiment provides a device for detecting wear resistance of an embedded component, which includes a soil box test box 9 capable of rotating and having a vertical rotation axis, the soil box test box 9 is in an annular structure and has an annular opening at the top, the soil box test box 9 is arranged in the annular structure, so that test soil 10 is filled along the annular structure, the annular structure reacts on the test soil 10 and gathers the test soil 10, and it is avoided that the test soil 10 is pushed by a sample 11 and is pulled out towards the outer side or the inner side without the limitation of the annular structure, so that the subsequent test soil 10 cannot effectively coat the sample 11, a clamping mechanism 12 and a compacting mechanism are fixed above the annular opening, the clamping mechanism 12 is provided with the sample 11 which passes through the annular opening and extends into the test soil 10 at the inner side, the sample 11 makes a circular motion along the annular opening relative to the rotating soil box test box 9, in order to make sample 11 continuously rub in the experimental soil 10 in soil box proof box 9, the last portable real part 25 that is used for compaction test soil 10 that is equipped with of compacting mechanism, and then when sample 11 continuously rubs in experimental soil 10, cooperation real part 25 will the experimental soil 10 compaction that stirs, realize becoming flexible soil firm once more, make sample 11 can continuously rotate in compacted experimental soil 10, but the wearing and tearing condition of the part that buries in the field during operation is restoreed to the at utmost, so that study analysis is carried out to the wearing and tearing of sample 11, explore the more real wear and tear inefficacy law of agricultural implement, the effect of the different surface treatment of more accurate evaluation.
The soil tank test box comprises a base support 1 and a speed regulating motor 2, wherein the base support 1 is used for being connected with a soil tank test box 9 in a rotating mode, the speed regulating motor 2 is used for driving the soil tank test box 9 to rotate, the rotating speed of the soil tank test box 9 is adjusted through the speed regulating motor 2, different soil penetrating components such as a plough share, a subsoiler, a disc harrow and the like can be simulated, the speed when the soil tank test box works in a field is different from the working speed of the disc harrow serving as a test piece, and the rotating speed can be adjusted according to actual conditions. A control system is further arranged on the preferable base support 1 and is mainly used for setting, monitoring and displaying test parameter conditions. Concretely, still be equipped with belt drive group between buncher 2 and soil box test box 9, first gearbox 5, drive mechanism such as transmission shaft 7, output shaft through buncher 2 passes to belt drive group and first gearbox 5 with power, the output shaft of first gearbox 5 passes through parallel key and fastening screw with soil box fixed disk 8 and is connected, soil box fixed disk 8 is connected by bolted connection bottom soil box test box 9, and then drives soil box test box 9 and carries out rotary motion. Wherein the belt drive set comprises a first pulley 3 and a second pulley 4 connected by a drive belt.
Further, the clamping mechanism 12 is matched with the clamping frame 6, the clamping frame 6 is provided with a clamping motor 16 and a spline shaft 15 in transmission connection with the clamping motor 16, preferably, a stepless speed change transmission mechanism 18 is arranged between the clamping motor 16 and the spline shaft 15 in transmission, a shaft coupling 17 is arranged between the clamping motor 16 and the stepless speed change transmission mechanism 18, the spline shaft 15 is in a telescopic structure and extends along the vertical direction, the clamping mechanism 12 is connected to the bottom end of the spline shaft 15, in order to keep the spline shaft 15 in a vertical state, the adjustment is carried out by arranging two transmission first bevel gears 19 and second bevel gears 20, preferably, the clamping mechanism 12 is provided with a spline interface 31 and connected to the spline shaft 15 through the spline interface 31 so as to ensure that the spline shaft 15 drives the clamping mechanism 12 to rotate, that is to say, power is provided by the clamping motor 16 and is transmitted to the spline shaft 15 through the stepless speed change transmission mechanism 18, the spline shaft 15 is connected with the clamping mechanism 12, so that the test piece is driven to rotate, the lifting mechanism 13 for driving the clamping mechanism 12 to move is arranged on the clamping rack 6, and the telescopic spline shaft 15 is arranged, so that the sample tilling depth can be adjusted, and the tilling depth requirement of various soil-penetrating components in the working state can be met. Furthermore, when the sample 11 rotates along the circumferential direction relative to the soil box test box, the rotation of the clamping mechanism 12 drives the sample 11 to rotate around the clamping mechanism 12, so that the sample 11 can reach higher movement speed in the soil box test box, the movement of high-speed soil-entering components such as rotary blades during field work can be simulated, and the test time can be greatly shortened.
The lifting mechanism 13 adopts a hydraulic lifting device and the like, the hydraulic lifting device is fixed on the clamping rack 6, and the lifting of the clamping mechanism 12 is realized by changing the telescopic length of the spline shaft 15, so that the soil penetration depth of the sample 11 is changed.
Preferably, a torque sensor 14 is arranged between the spline shaft 15 and the clamping mechanism 12, and the torque sensor 14 is preferably fixed on the hydraulic lifting device by bolts and used for detecting torque change of the sample 11 in the test process.
As a preferred embodiment of the present invention, a plurality of clamping rods 32 are disposed at positions of the bottom of the clamping mechanism 12 facing the soil, and the clamping rods 32 are provided with samples 11 of different structural materials, so as to compare the samples 11 with different materials and structures in a single test process, as a preferred embodiment of the present invention, a plurality of clamping rods 32 with different soil penetration angles are disposed at positions of the bottom of the clamping mechanism 12 facing the soil, preferably, each clamping rod 32 is radially spaced along the annular opening, or each clamping rod 32 is circumferentially disposed on the clamping mechanism 12, the samples 11 are correspondingly inserted into each clamping rod 32, so as to form a plurality of samples 11 with different soil penetration angles simultaneously, specifically, according to the different soil penetration angles of different soil penetration parts, a standard connection interface is formed at the top end of the clamping mechanism 12 to be connected with the spline shaft 15, and the clamping rods 32 are mounted at the bottom end, and the clamping rod 32 is respectively made into different angles of 90 degrees, 60 degrees, 45 degrees, 30 degrees and the like. And then the soil-entering angles of different soil-entering parts can be really and effectively simulated. Preferably, the standard connection port may be called a spline interface 31 or a square key interface.
Further, the compacting mechanism comprises a compacting frame 29, the compacting part 25 comprises a pressing rod 27 which is movably arranged on the compacting frame 29 along the vertical direction, and a pressing disc which is arranged at the bottom end of the pressing rod 27, the width of the pressing disc is matched with the width of the annular opening so as to fully compact the test soil 10 which is poked by the test sample 11, and a pressing rod 27 driving mechanism which is used for driving the pressing rod 27 to move is further arranged on the compacting frame 29. The preferable driving mechanism of the pressure lever 27 comprises a direct current motor 28 fixed on a compacting rack 29, a transmission mechanism, a crank mechanism 26 and a cylindrical slide rail, wherein power output by the direct current motor 28 is transmitted to the crank mechanism 26 through a speed reducer, the crank mechanism 26 is connected with the pressure lever 27, the crank mechanism 26 is further used for driving the pressure lever 27 to move along the cylindrical slide rail, the cylindrical slide rail is arranged along the vertical direction, and then the pressure lever 27 is enabled to reciprocate along the vertical direction, so that the compaction of the test soil 10 is realized.
Furthermore, a lifting table 21 is fixed at the rotating axis of the soil tank test box 9, a sensor fixing plate 24 is arranged on the lifting table 21 in a sliding mode along the vertical direction, a soil firmness sensor 22 and a soil moisture sensor 23 which are opposite to the annular opening along the vertical direction are arranged on the sensor fixing plate 24 and used for achieving data acquisition of soil firmness and soil moisture, and the soil firmness sensor 22 and the soil moisture sensor 23 are higher than other structures on the soil tank test box 9 when the sensor fixing plate 24 is located at the highest position so as to avoid interference between rotation of the two sensors and other structures. A hydraulic cylinder and a lifting slide rail are arranged on the preferable lifting platform 21, the sensor fixing plate 24 is driven by the hydraulic cylinder to perform lifting motion on the lifting slide rail, during measurement, the sensor fixing plate 24 is driven by the hydraulic cylinder to move downwards, the soil firmness sensor 22 and the soil moisture sensor 23 are used for detecting the firmness and moisture of the test soil 10, and then the test soil rises to the highest point; when not measuring, the sensor mounting plate 24 is placed at the highest point. Preferably, the soil firmness sensor 22 and the soil moisture sensor 23 are spaced apart to avoid interference between the two sensors during measurement.
Preferably, in order to simplify the structure of the whole device, the sensor fixing plate 24 is provided with a horizontal extension part extending along the radial direction of the soil box test chamber 9, the horizontal extension part is preferably in a plate-shaped structure or a rod-shaped structure, and the like, and faces the opening of the soil box test chamber, and the soil firmness sensor 22 and the soil moisture sensor 23 are arranged on the horizontal extension part at intervals.
Furthermore, the test soil 10 comprises soil, gravel and crop straws which are mixed, the interaction of the soil-entering part and the soil, the gravel, the crop straws and other multi-factor coupling environments can be repeatedly simulated in a laboratory, and the influence rule of humidity, firmness, gravel ratio and the like on the wear resistance of the soil-entering part can be explored. Preferably, the soil in different areas can be placed in the soil tank test box 9, compaction is carried out through the compaction part 25, meanwhile, the sensors are used for carrying out real-time measurement on the soil firmness and the water content, and the condition of the soil to be verified is further accurately simulated.
Furthermore, the whole device can repeatedly simulate the interaction of the soil-entering part and the multi-factor coupling environment such as soil, gravel and crop straws in a laboratory, can be used for exploring the influence rules of humidity, firmness, gravel ratio and the like on the wear resistance of the soil-entering part, can evaluate the surface wear resistance of the soil-entering part after different surface treatments, can realize the simultaneous test of a plurality of samples 11, can also run the samples 11 at high speed, and greatly shortens the test time. The method is not influenced by factors such as external weather and seasons, and all-weather repeated tests can be developed under laboratory conditions.
Further, a detection method of the device for detecting the wear resistance of the soil-entering part is also provided, and comprises the following steps:
preparation: photographing and weighing the sample 11, recording data, installing the sample 11 on a clamping mechanism 12, placing test soil 10 in a simulated verification area into a soil box test box 9, lifting a sensor fixing plate 24 to the highest point, avoiding that each sensor interferes with the clamping mechanism and a compacting mechanism when the soil box test box 9 rotates, opening a speed regulating motor 2 and the compacting mechanism of the soil box test box 9, and adjusting the up-down compacting frequency and pressure of the compacting mechanism to enable all the test soil 10 to be in a compacting state; preferably, untreated and differently surface treated samples 11 can be installed for control tests; preferably, the soil of the area which is simulated and verified is put into the soil tank test box 9, and a plurality of gravels, water, crop straws and the like are mixed according to the proportion;
setting test parameters: the rotating speed of the soil tank test box 9 is set through the speed regulating motor 2, the rotating speed of the clamping mechanism 12 is regulated through the clamping motor 16, the height of the clamping mechanism 12 is set through the lifting mechanism 13, the soil penetration depth of the sample 11 is further regulated, the height of the sensor fixing plate 24 is regulated to regulate the detection depth of each sensor, the detection times of the sensors are set according to actual measurement requirements, and the rotating number and the rotating time of the sample 11 are set; preferably, the control system includes a control panel 30, and each parameter is set on the control panel 30; according to different soil-entering components such as ploughshares, rotary blades, disc rakes and the like, the soil-entering angle, speed, tilling depth and the like are different during actual working, and the experimental device can adjust working condition parameters according to requirements; the rotation speed, the tilling depth, the compaction frequency and the like during the test can be set through the control panel 30, and the information of the soil firmness, the humidity and the torque borne by the sample 11 is acquired and processed in real time through the sensors under the data acquisition system;
monitoring the test process: after the test parameters are set, starting the test, monitoring the test movement speed, time, torque, soil firmness, soil humidity and the like in the test process, and taking down the sample 11 after the set number of turns or time is reached;
and (3) post-treatment of the test: and taking out the test sample 11 after the test, photographing and recording the worn part of the test sample 11, weighing, measuring the weight loss condition, recording data, collating the weight loss condition of the test sample 11 according to the set initial value and the detected data of the firmness and the humidity, carrying out research and analysis, exploring the wear failure rule, and evaluating the effects of different surface treatments.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The device for detecting the wear resistance of the soil-entering part is characterized by comprising a soil box test box which can rotate and is vertically provided with a rotating axis, wherein the soil box test box is of an annular structure, an annular opening is formed in the top of the soil box test box, a clamping mechanism and a compacting mechanism are fixed above the annular opening, a sample which penetrates through the annular opening and extends into test soil on the inner side of the clamping mechanism is installed on the clamping mechanism, the soil box test box which rotates relative to the sample is in circular motion along the annular opening, and a compaction part used for compacting the test soil is movably arranged on the compacting mechanism.
2. The device for detecting the wear resistance of the soil penetration member according to claim 1, further comprising a base bracket rotatably connected with the soil box test box, wherein the base bracket is provided with a speed regulating motor for driving the soil box test box to rotate.
3. The device for detecting the wear resistance of the soil-entering part according to claim 1 or 2, wherein the clamping mechanism is provided with a clamping frame, the clamping frame is provided with a clamping motor and a spline shaft in transmission connection with the clamping motor, the spline shaft is of 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.
4. The device for detecting the wear resistance of the soil-entering part according to claim 3, wherein a torque sensor is arranged between the spline shaft and the clamping mechanism.
5. The device for detecting the wear resistance of the soil-entering part according to claim 4, wherein a plurality of clamping rods with different soil-entering angles are arranged at positions, facing the soil, of the bottom of the clamping mechanism, the clamping rods are arranged at intervals, and the test sample is correspondingly inserted into the clamping rods.
6. The device for detecting the wear resistance of the soil-entering part according to claim 5, wherein the compacting mechanism comprises a compacting frame, the compacting part comprises a pressing rod movably arranged on the compacting frame along a vertical direction, a pressing plate arranged at the bottom end of the pressing rod, the width of the pressing plate is matched with that of the annular opening, and a pressing rod driving mechanism for driving the pressing rod to move is further arranged on the compacting frame.
7. The device for detecting the wear resistance of an embedded part according to claim 6, wherein a lifting table is fixed at a rotating shaft center of the soil tank test box, a sensor fixing plate is arranged on the lifting table in a sliding manner along a vertical direction, a soil firmness sensor and a soil moisture sensor which are opposite to the annular opening along the vertical direction are arranged on the sensor fixing plate, and the soil firmness sensor and the soil moisture sensor are higher than the clamping mechanism and the compacting mechanism when the sensor fixing plate is located at the highest position.
8. The device for detecting the wear resistance of an embedded part according to claim 7, wherein the sensor fixing plate is provided with a horizontal extension part extending along the radial direction of the soil tank test box, and the soil firmness sensor and the soil moisture sensor are arranged on the horizontal extension part at intervals.
9. The device for detecting the wear resistance of the soil-entering part according to claim 8, wherein the test soil comprises mixed soil, sand and crop straws.
10. A detection method of a device for detecting the wear resistance of an embedded part is characterized by comprising the following steps:
preparation work: photographing and weighing the sample, recording data, mounting the sample on a clamping mechanism, putting test soil in a simulation verification area in a soil tank test box, lifting a sensor fixing plate to the highest point, opening a speed regulating motor and a compaction mechanism of the soil tank test box, and adjusting the upper and lower compaction frequency and pressure of the compaction mechanism;
setting test parameters: setting the rotating speed of the soil tank test box through a speed regulating motor, adjusting the rotating speed of a clamping mechanism through a clamping motor, setting the height of the clamping mechanism through a lifting mechanism, further adjusting the soil penetration depth of a sample, adjusting the height of a sensor fixing plate to adjust the detection depth of each sensor, setting the detection times of the sensors according to actual measurement requirements, and setting the number of turns and the time length of sample rotation;
monitoring the test process: after the test parameters are set, starting the test, monitoring the test movement speed, time, torque, soil firmness, soil humidity and the like in the test process, and taking down the sample after the set number of turns or time is reached;
and (3) post-treatment of the test: and taking out the test sample after the test, photographing and recording the worn part of the test sample, weighing, measuring the weight loss condition, recording data, collating the weight loss condition of the test sample according to the set initial value and the detected data of the firmness and the humidity, carrying out research and analysis, exploring the wear failure rule, and evaluating the effects of different surface treatments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210491277.3A CN114935520A (en) | 2022-05-07 | 2022-05-07 | Device and method for detecting wear resistance of soil-entering part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210491277.3A CN114935520A (en) | 2022-05-07 | 2022-05-07 | Device and method for detecting wear resistance of soil-entering part |
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| CN114935520A true CN114935520A (en) | 2022-08-23 |
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| CN202210491277.3A Pending CN114935520A (en) | 2022-05-07 | 2022-05-07 | Device and method for detecting wear resistance of soil-entering part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088331A1 (en) * | 2022-10-26 | 2024-05-02 | 中国农业机械化科学研究院集团有限公司 | Soil-touching component impact and abrasive wear test bed and test method therefor |
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2022
- 2022-05-07 CN CN202210491277.3A patent/CN114935520A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088331A1 (en) * | 2022-10-26 | 2024-05-02 | 中国农业机械化科学研究院集团有限公司 | Soil-touching component impact and abrasive wear test bed and test method therefor |
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