CN110132470B - Power loss detection device for cultivator and detection method thereof - Google Patents
Power loss detection device for cultivator and detection method thereof Download PDFInfo
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- CN110132470B CN110132470B CN201910397706.9A CN201910397706A CN110132470B CN 110132470 B CN110132470 B CN 110132470B CN 201910397706 A CN201910397706 A CN 201910397706A CN 110132470 B CN110132470 B CN 110132470B
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- 238000001514 detection method Methods 0.000 title claims abstract description 76
- 238000003971 tillage Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000009331 sowing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
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- 230000003068 static effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
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- 239000003638 chemical reducing agent Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
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Abstract
The invention relates to the technical field of agricultural machinery tool detection, in particular to a power loss detection device for a cultivation tool and a detection method thereof.
Description
Technical Field
The invention relates to the technical field of agricultural machinery tool detection, in particular to a power loss detection device for a cultivation tool and a detection method thereof.
Background
With the rapid development of agricultural machinery, in recent years, the tractor is reduced in consumption, resistance and fuel economy, dynamic performance of the cultivator is required, various novel cultivator is pushed out and developed, the combination of the cultivator performance is various, but the power loss and performance evaluation of the cultivator are not perfect enough, the power loss problem of the cultivator can be reflected by adopting a bench test mode, but the cultivator is matched with the cultivator under the actual working condition, the cultivator is imperfect, because the cultivator is stressed by two frame connecting plates during cultivation, the universal transmission device is influenced by torque, the flatness of the cultivated land is influenced by the vibration of the cultivator, the power loss of the cultivator is influenced to a certain extent during cultivation, the conventional measuring device does not have vibration detection on the cultivator, the conventional measuring device has a device for measuring torque, the measuring process is complicated and is not easy to use in a land with poor smoothness, and the conventional measuring device for measuring the torque loss of the cultivator is not influenced by the conventional measuring device for measuring the power loss of the cultivator.
Disclosure of Invention
The invention aims to provide a power loss detection device for a cultivator and a detection method thereof, which are used for solving the problems in the background technology.
The technical scheme of the invention is as follows:
The utility model provides a power loss detection device for tilling implement and detection method thereof, detection device is including pulling force detection mechanism, moment of torsion detection mechanism and data processing device, pulling force detection mechanism is including three section pole subassemblies and be used for adjusting three section pole high adjustment subassembly, moment of torsion detection mechanism is including torque sensor, tension sensor is all installed to the tip of three section pole subassemblies, the middle section and the adjustment subassembly of three section pole subassemblies are articulated, and all tension sensor all are connected with tilling implement through connecting portion, the both ends of torque sensor are connected with universal gangbar and tractor power output shaft respectively, the universal joint is all installed at the both ends of universal gangbar, data processing device is including data acquisition ware and with electric connection's data processor, torque sensor and all tension sensor pass through signal transmission line and data acquisition ware electric connection.
Preferably, the three-section rod assembly comprises a balance rod and two connecting rods at two ends of the balance rod, the middle section of the balance rod is hinged with the adjusting assembly, one ends of all the connecting rods are respectively hinged with two ends of the balance rod through second hinge shafts, and one ends of all the tension sensors are respectively hinged with one ends of all the connecting rods, which are far away from the balance rod.
Preferably, the adjusting component comprises a mounting seat, a hinge block and a locating pin, wherein a slideway is vertically arranged on the mounting seat, the hinge block can be in sliding fit with the slideway, a locating hole penetrating through the slideway is formed in the mounting seat, a through hole for the locating pin to penetrate through is formed in the hinge block, and the middle section of the balance rod is hinged to the hinge block through a vertically arranged hinge shaft.
Preferably, the adjusting component comprises a vertically arranged mounting seat, a vertically arranged hinged slat and a driving component capable of driving the hinged slat to slide in the mounting seat, wherein a slide way is vertically arranged on the mounting seat, the hinged slat can be in sliding fit with the slide way, a positioning hole penetrating through the slide way is formed in the mounting seat, a through hole for a positioning pin to pass through is formed in the hinged slat, the middle section of the balance bar is hinged with the hinged slat through a vertically arranged hinge shaft, a rack vertically arranged is arranged on the back side of the hinged slat, a plurality of gears are rotatably arranged in the mounting seat, and all gears are meshed with the rack, and a driving component for driving the balance bar to rotate is fixedly arranged at the center of one of the gears.
Preferably, the connecting part is a connecting rod, one end of the connecting rod is fixedly arranged at one end of the tension sensor, and the other end of the connecting rod is rotationally connected with the tillage implement through a rotating shaft.
Preferably, the connecting portion comprises two U-shaped connecting plates with opposite openings, the two ends of the tension sensor are respectively clamped at the centers of the two U-shaped connecting plates, and the two U-shaped connecting plates are respectively hinged with one end of the connecting rod and the cultivation machine.
Preferably, the driving component is a crank, and a rotating shaft of the crank is fixedly arranged in the center of the gear.
Preferably, the driving assembly is a driving motor.
Preferably, an angle sensor is mounted at one end of the rotating shaft and is electrically connected with a data acquisition device, and the data acquisition device is further electrically connected with a vibration sensor mounted on the tillage implement.
The utility model provides a detection method of a power consumption detection device for a cultivator, which comprises the following steps:
a torque detection step: the power input shaft of the tractor is fixedly connected with the universal linkage rod, the tractor is started to drive the universal linkage rod to rotate, the torque sensor and the power output shaft of the tractor rotate, and when the torque sensor detects the torque of the power output shaft of the tractor, a signal is output to the data acquisition device and then transmitted to the data processor;
and a step of detecting the straight pulling force: starting a tractor, pulling a cultivator, detecting the pulling force of the cultivator of a pulling force sensor, adjusting the height of a balance rod through an adjusting assembly every time one group of data is detected, realizing different pulling angles, detecting the pulling force used for pulling the cultivator, respectively outputting signals to a data acquisition unit, and then transmitting the signals to a data processor;
And (3) detecting turning tension: the two tension sensors can detect the tension used when the tractor turns to drive the two ends of the tillage implement to turn; respectively outputting signals to a data collector and then transmitting the signals to a data processor;
And (3) a ramp tension detection step: when the cultivator swings up and down, the angle sensor detects the rotation angle of the cultivator, outputs a signal to the data collector and then transmits the signal to the data processor.
The invention provides a power loss detection device for a cultivator and a detection method thereof through improvement, and compared with the prior art, the power loss detection device has the following improvement and advantages:
1) The invention can simulate each state of flat straight line operation state, turning operation state, different tractor pulling operation state and ramp operation state in the tillage operation, can comprehensively reflect the power loss problem from the tillage operation, solves the problem that the power loss caused by torque and tension cannot be accurately measured on a bench test in the past, reduces measurement error, and provides referents for later scientific researchers to machine tool structure improvement and tillage mode improvement.
2) The invention can measure torque, tension, rotation angle of the cultivator and vibration frequency of the cultivator, can comprehensively detect factors influencing power loss, well caters to the development of power detection of the agricultural cultivator, has accurate detection result and high precision, accords with reality, and can form detected data into a report form so as to analyze and process the data in the future.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic perspective view of the three-bar assembly and torque-sensing mechanism and tilling implement of the present invention;
FIG. 4 is an enlarged view at B of FIG. 3;
FIG. 5 is a schematic perspective view of a fourth adjustment assembly according to an embodiment of the present invention;
FIG. 6 is a partial perspective cutaway schematic view of a fourth adjustment assembly of an embodiment of the present invention;
FIG. 7 is a schematic view in partial perspective cross-section of a second adjustment assembly according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a three U-shaped connection plate, a torque detection mechanism and a tilling implement according to an embodiment of the present invention;
FIG. 9 is a schematic perspective view of a three U-shaped connecting plate according to an embodiment of the present invention;
FIG. 10 is a signal acquisition guide of the present invention;
Reference numerals illustrate:
The device comprises a tension detection mechanism 1, a tension sensor 11, an angle sensor 12, a torque detection mechanism 2, a torque sensor 21, a universal linkage rod 22, a tractor power output shaft 23, a three-section rod assembly 3, a balance rod 31, a connecting rod 32, a connecting rod 33, a U-shaped connecting plate 34, a hinge shaft 35, a second hinge shaft 36, an adjusting assembly 4, a mounting seat 41, a hinge block 42, a positioning hole 43, a hinge slat 44, a gear 45, a driving motor 46, a crank 47, a tillage implement 48 and a rack 5.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a power loss detection device for a cultivator and a detection method thereof by improving the power loss detection device:
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a power loss detection device for a cultivator and a detection method thereof by improving the power loss detection device:
embodiment one:
As shown in fig. 1-10, a power loss detection device for a cultivator and a detection method thereof, the detection device comprises a tension detection mechanism 1, a torque detection mechanism 2 and a data processing device, the tension detection mechanism 1 comprises a three-section rod assembly 3 and an adjusting assembly 4 for adjusting the height of the three-section rod, the torque detection mechanism 2 comprises a torque sensor 21, the end parts of the three-section rod assembly 3 are all provided with tension sensors 11, the middle section of the three-section rod assembly 3 is hinged with the adjusting assembly 4, all the tension sensors 11 are connected with the cultivator 48 through connecting parts, two ends of the torque sensor 21 are respectively connected with a universal linkage rod 22 and a tractor power output shaft 23, two ends of the universal linkage rod 22 are respectively provided with universal joints, the data processing device comprises a data acquisition device and a data processor which is electrically connected with the data acquisition device, the torque sensor 21 and all the tension sensors 11 are electrically connected with the data collector through a signal transmission line, the torque sensor 21 is used for detecting the output torque of the main shaft of the tractor and converting the detected torque signal into a high-level analog output voltage, then the high-level analog output voltage is transmitted to the data collector, the data collector receives the high-level analog output voltage and transmits the signal to the data processor, then the data processor displays, stores and analyzes the torque and the power consumption of the data processor under the actual working condition according to the signal displayed by the data processor, is used for detecting the tension of the tractor when the power output shaft 23 outputs and drives the tillage implement 48, converts the detected tension signal into a high-level analog output voltage signal, then transmits the collected analog output voltage signal to the data collector, the data collector receives the high-level analog output voltage and transmits signals to the data processor, the torque sensor 21 is a torque sensor, the model of the torque sensor is TN-101 torque sensor 21 suitable for static and discontinuous rotation torque force value measurement, the tension sensor 11 is a column type tension sensor 11, the model of the tension sensor 11 is BSS-500kg, the data collector has the functions of real-time collection, automatic storage, instant display, instant feedback, automatic processing, automatic transmission and the like, the data processor has the functions of WIFI, GPRS, bluetooth and other mobile data transmission, the model of the data processor is QC200 data processor, and the torque sensor 21, the tension sensor 11, the data collector and the data processor are of the prior art and are not described in detail herein.
The three-section rod assembly 3 comprises a balance rod 31 and two connecting rods 32 at two ends of the balance rod 31, the middle section of the balance rod 31 is hinged with the adjusting assembly 4, one ends of all the connecting rods 32 are respectively hinged with two ends of the balance rod 31 through second hinge shafts 36, one ends of all the tension sensors 11 are respectively hinged with one ends of all the connecting rods 32 far away from the balance rod 31, when the tractor turns, the tillage implement 48 turns passively, the shape of the tillage implement can be changed due to different tensile forces when turning, the balance rod 31 rotates, the turning operation state can be simulated, the situation that stress is uneven at two sides of the tillage implement 48 can be simulated, and the two tension sensors 11 can respectively detect the tensile forces used when the tractor turns to drive the two ends of the tillage implement 48 to turn; and converting the detected tension signal into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, wherein the data collector receives the high-level analog output voltage and transmits the signal to a data processor.
The adjusting component 4 comprises a mounting seat 41, a hinge block 42 and a positioning pin 49, wherein a slideway is vertically arranged on the mounting seat 41, the hinge block 42 can be in sliding fit with the slideway, a positioning hole 43 penetrating through the slideway is formed in the mounting seat 41, a through hole for the positioning pin 49 to penetrate is formed in the hinge block 42, the middle section of the balance rod 31 is hinged with the hinge block 42 through a vertically arranged hinge shaft 35, the positioning pin 49 is pulled out, the position of the hinge block 42 is moved up and down, the angle of pulling force is changed, the condition that a tractor with various heights pulls a cultivation machine 48 can be simulated, and the influence of the height on the cultivation machine 48 can be compared by detecting various height pulling force data.
The connecting part is a connecting rod 33, one end of the connecting rod 33 is fixedly arranged at one end of the tension sensor 11, the other end of the connecting rod 33 is rotationally connected with a cultivation machine 48 through a rotating shaft, and the damage to the tension sensor 11 can be avoided by transiting the tension of the connecting rod 33.
An angle sensor 12 is installed at one end of the rotating shaft, the angle sensor 12 is electrically connected with a data acquisition device, the data acquisition device is also electrically connected with a vibration sensor installed on the cultivator 48, and the vibration sensor can respectively detect the vibration frequency of the cultivator 48 when the tractor pulls the cultivator 48; and converting the detected vibration frequency into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, which receives the high-level analog output voltage and transmits the signal to a data processor.
Embodiment two:
As shown in fig. 1-10, a power loss detection device for a cultivator and a detection method thereof, the detection device comprises a tension detection mechanism 1, a torque detection mechanism 2 and a data processing device, the tension detection mechanism 1 comprises a three-section rod assembly 3 and an adjusting assembly 4 for adjusting the height of the three-section rod, the torque detection mechanism 2 comprises a torque sensor 21, the end parts of the three-section rod assembly 3 are all provided with tension sensors 11, the middle section of the three-section rod assembly 3 is hinged with the adjusting assembly 4, all the tension sensors 11 are connected with the cultivator 48 through connecting parts, two ends of the torque sensor 21 are respectively connected with a universal linkage rod 22 and a tractor power output shaft 23, two ends of the universal linkage rod 22 are respectively provided with universal joints, the data processing device comprises a data acquisition device and a data processor which is electrically connected with the data acquisition device, the torque sensor 21 and all the tension sensors 11 are electrically connected with the data collector through a signal transmission line, the torque sensor 21 is used for detecting the output torque of the main shaft of the tractor and converting the detected torque signal into a high-level analog output voltage, then the high-level analog output voltage is transmitted to the data collector, the data collector receives the high-level analog output voltage and transmits the signal to the data processor, then the data processor displays, stores and analyzes the torque and the power consumption of the data processor under the actual working condition according to the signal displayed by the data processor, is used for detecting the tension of the tractor when the power output shaft 23 outputs and drives the tillage implement 48, converts the detected tension signal into a high-level analog output voltage signal, then transmits the collected analog output voltage signal to the data collector, the data collector receives the high-level analog output voltage and transmits signals to the data processor, the torque sensor 21 is a torque sensor, the model of the torque sensor is TN-101 torque sensor 21 suitable for static and discontinuous rotation torque force value measurement, the tension sensor 11 is a column type tension sensor 11, the model of the tension sensor 11 is BSS-500kg, the data collector has the functions of real-time collection, automatic storage, instant display, instant feedback, automatic processing, automatic transmission and the like, the data processor has the functions of WIFI, GPRS, bluetooth and other mobile data transmission, the model of the data processor is QC200 data processor, and the torque sensor 21, the tension sensor 11, the data collector and the data processor are of the prior art and are not described in detail herein.
The three-section rod assembly 3 comprises a balance rod 31 and two connecting rods 32 at two ends of the balance rod 31, the middle section of the balance rod 31 is hinged with the adjusting assembly 4, one ends of all the connecting rods 32 are respectively hinged with two ends of the balance rod 31 through second hinge shafts 36, one ends of all the tension sensors 11 are respectively hinged with one ends of all the connecting rods 32 far away from the balance rod 31, when the tractor turns, the tillage implement 48 turns passively, the shape of the tillage implement can be changed due to different tensile forces when turning, the balance rod 31 rotates, the turning operation state can be simulated, the situation that stress is uneven at two sides of the tillage implement 48 can be simulated, and the two tension sensors 11 can respectively detect the tensile forces used when the tractor turns to drive the two ends of the tillage implement 48 to turn; and converting the detected tension signal into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, wherein the data collector receives the high-level analog output voltage and transmits the signal to a data processor.
The adjusting component 4 comprises a vertically arranged mounting seat 41, a vertically arranged hinged slat 44 and a driving component capable of driving the hinged slat 44 to slide in the mounting seat 41, wherein a slide way is vertically arranged on the mounting seat 41, the hinged slat 44 can be in sliding fit with the slide way, a positioning hole 43 penetrating through the slide way is formed in the mounting seat 41, a through hole for a positioning pin 49 to pass through is formed in the hinged slat 44, the middle section of the balance bar 31 is hinged with the hinged slat 44 through a vertically arranged hinge shaft 35, a rack 5 is arranged on the back side of the hinged slat 44, a plurality of gears 45 are rotatably arranged in the mounting seat 41, and all the gears 45 are meshed with the rack 5, and the driving component for driving the balance bar to rotate is fixedly arranged in the center of one of the gears 45.
The connecting portion comprises two U-shaped connecting plates 34 with opposite openings, the two ends of the tension sensor 11 are respectively clamped at the centers of the two U-shaped connecting plates 34, the two U-shaped connecting plates 34 are respectively hinged with one end of the connecting rod 32 and the sowing machine 48, and the connecting portion is convenient to install and simple in structure.
The driving assembly is a crank 47, a rotating shaft of the crank 47 is fixedly arranged in the center of the gear 45, the positioning pin 49 is pulled out, the gear 45 is driven to rotate by rotating the crank 47, the hinged slat 44 is driven to lift, when the hinged slat 44 is lifted to a specified height, the crank 47 is stopped rotating, and then the positioning pin 49 is inserted.
An angle sensor 12 is installed at one end of the rotating shaft, the angle sensor 12 is electrically connected with a data acquisition device, the data acquisition device is also electrically connected with a vibration sensor installed on the cultivator 48, and the vibration sensor can respectively detect the vibration frequency of the cultivator 48 when the tractor pulls the cultivator 48; and converting the detected vibration frequency into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, which receives the high-level analog output voltage and transmits the signal to a data processor.
Compared with the second embodiment, the first embodiment has the advantages of simple structure, convenient operation and stronger practicability, and compared with the first embodiment, the second embodiment has the advantages of lower operation difficulty, operation by only one person and reduced manual operation cost.
Embodiment III:
As shown in fig. 1-10, a power loss detection device for a cultivator and a detection method thereof, the detection device comprises a tension detection mechanism 1, a torque detection mechanism 2 and a data processing device, the tension detection mechanism 1 comprises a three-section rod assembly 3 and an adjusting assembly 4 for adjusting the height of the three-section rod, the torque detection mechanism 2 comprises a torque sensor 21, the end parts of the three-section rod assembly 3 are all provided with tension sensors 11, the middle section of the three-section rod assembly 3 is hinged with the adjusting assembly 4, all the tension sensors 11 are connected with the cultivator 48 through connecting parts, two ends of the torque sensor 21 are respectively connected with a universal linkage rod 22 and a tractor power output shaft 23, two ends of the universal linkage rod 22 are respectively provided with universal joints, the data processing device comprises a data acquisition device and a data processor which is electrically connected with the data acquisition device, the torque sensor 21 and all the tension sensors 11 are electrically connected with the data collector through a signal transmission line, the torque sensor 21 is used for detecting the output torque of the main shaft of the tractor and converting the detected torque signal into a high-level analog output voltage, then the high-level analog output voltage is transmitted to the data collector, the data collector receives the high-level analog output voltage and transmits the signal to the data processor, then the data processor displays, stores and analyzes the torque and the power consumption of the data processor under the actual working condition according to the signal displayed by the data processor, is used for detecting the tension of the tractor when the power output shaft 23 outputs and drives the tillage implement 48, converts the detected tension signal into a high-level analog output voltage signal, then transmits the collected analog output voltage signal to the data collector, the data collector receives the high-level analog output voltage and transmits signals to the data processor, the torque sensor 21 is a torque sensor, the model of the torque sensor is TN-101 torque sensor 21 suitable for static and discontinuous rotation torque force value measurement, the tension sensor 11 is a column type tension sensor 11, the model of the tension sensor 11 is BSS-500kg, the data collector has the functions of real-time collection, automatic storage, instant display, instant feedback, automatic processing, automatic transmission and the like, the data processor has the functions of WIFI, GPRS, bluetooth and other mobile data transmission, the model of the data processor is QC200 data processor, and the torque sensor 21, the tension sensor 11, the data collector and the data processor are of the prior art and are not described in detail herein.
The three-section rod assembly 3 comprises a balance rod 31 and two connecting rods 32 at two ends of the balance rod 31, the middle section of the balance rod 31 is hinged with the adjusting assembly 4, one ends of all the connecting rods 32 are respectively hinged with two ends of the balance rod 31 through second hinge shafts 36, one ends of all the tension sensors 11 are respectively hinged with one ends of all the connecting rods 32 far away from the balance rod 31, when the tractor turns, the tillage implement 48 turns passively, the shape of the tillage implement can be changed due to different tensile forces when turning, the balance rod 31 rotates, the turning operation state can be simulated, the situation that stress is uneven at two sides of the tillage implement 48 can be simulated, and the two tension sensors 11 can respectively detect the tensile forces used when the tractor turns to drive the two ends of the tillage implement 48 to turn; and converting the detected tension signal into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, wherein the data collector receives the high-level analog output voltage and transmits the signal to a data processor.
The adjusting component 4 comprises a mounting seat 41, a hinge block 42 and a positioning pin 49, wherein a slideway is vertically arranged on the mounting seat 41, the hinge block 42 can be in sliding fit with the slideway, a positioning hole 43 penetrating through the slideway is formed in the mounting seat 41, a through hole for the positioning pin 49 to penetrate is formed in the hinge block 42, the middle section of the balance rod 31 is hinged with the hinge block 42 through a vertically arranged hinge shaft 35, the positioning pin 49 is pulled out, the position of the hinge block 42 is moved up and down, the angle of pulling force is changed, the condition that a tractor with various heights pulls a cultivation machine 48 can be simulated, and the influence of the height on the cultivation machine 48 can be compared by detecting various height pulling force data.
The connecting portion comprises two U-shaped connecting plates 34 with opposite openings, the two ends of the tension sensor 11 are respectively clamped at the centers of the two U-shaped connecting plates 34, the two U-shaped connecting plates 34 are respectively hinged with one end of the connecting rod 32 and the sowing machine 48, and the connecting portion is convenient to install and simple in structure.
An angle sensor 12 is installed at one end of the rotating shaft, the angle sensor 12 is electrically connected with a data acquisition device, the data acquisition device is also electrically connected with a vibration sensor installed on the cultivator 48, and the vibration sensor can respectively detect the vibration frequency of the cultivator 48 when the tractor pulls the cultivator 48; and converting the detected vibration frequency into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, which receives the high-level analog output voltage and transmits the signal to a data processor.
Embodiment four:
As shown in fig. 1-10, a power loss detection device for a cultivator and a detection method thereof, the detection device comprises a tension detection mechanism 1, a torque detection mechanism 2 and a data processing device, the tension detection mechanism 1 comprises a three-section rod assembly 3 and an adjusting assembly 4 for adjusting the height of the three-section rod, the torque detection mechanism 2 comprises a torque sensor 21, the end parts of the three-section rod assembly 3 are all provided with tension sensors 11, the middle section of the three-section rod assembly 3 is hinged with the adjusting assembly 4, all the tension sensors 11 are connected with the cultivator 48 through connecting parts, two ends of the torque sensor 21 are respectively connected with a universal linkage rod 22 and a tractor power output shaft 23, two ends of the universal linkage rod 22 are respectively provided with universal joints, the data processing device comprises a data acquisition device and a data processor which is electrically connected with the data acquisition device, the torque sensor 21 and all the tension sensors 11 are electrically connected with the data collector through a signal transmission line, the torque sensor 21 is used for detecting the output torque of the main shaft of the tractor and converting the detected torque signal into a high-level analog output voltage, then the high-level analog output voltage is transmitted to the data collector, the data collector receives the high-level analog output voltage and transmits the signal to the data processor, then the data processor displays, stores and analyzes the torque and the power consumption of the data processor under the actual working condition according to the signal displayed by the data processor, is used for detecting the tension of the tractor when the power output shaft 23 outputs and drives the tillage implement 48, converts the detected tension signal into a high-level analog output voltage signal, then transmits the collected analog output voltage signal to the data collector, the data collector receives the high-level analog output voltage and transmits signals to the data processor, the torque sensor 21 is a torque sensor, the model of the torque sensor is TN-101 torque sensor 21 suitable for static and discontinuous rotation torque force value measurement, the tension sensor 11 is a column type tension sensor 11, the model of the tension sensor 11 is BSS-500kg, the data collector has the functions of real-time collection, automatic storage, instant display, instant feedback, automatic processing, automatic transmission and the like, the data processor has the functions of WIFI, GPRS, bluetooth and other mobile data transmission, the model of the data processor is QC200 data processor, and the torque sensor 21, the tension sensor 11, the data collector and the data processor are of the prior art and are not described in detail herein.
The three-section rod assembly 3 comprises a balance rod 31 and two connecting rods 32 at two ends of the balance rod 31, the middle section of the balance rod 31 is hinged with the adjusting assembly 4, one ends of all the connecting rods 32 are respectively hinged with two ends of the balance rod 31 through second hinge shafts 36, one ends of all the tension sensors 11 are respectively hinged with one ends of all the connecting rods 32 far away from the balance rod 31, when the tractor turns, the tillage implement 48 turns passively, the shape of the tillage implement can be changed due to different tensile forces when turning, the balance rod 31 rotates, the turning operation state can be simulated, the situation that stress is uneven at two sides of the tillage implement 48 can be simulated, and the two tension sensors 11 can respectively detect the tensile forces used when the tractor turns to drive the two ends of the tillage implement 48 to turn; and converting the detected tension signal into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, wherein the data collector receives the high-level analog output voltage and transmits the signal to a data processor.
The adjusting component 4 comprises a vertically arranged mounting seat 41, a vertically arranged hinged slat 44 and a driving component capable of driving the hinged slat 44 to slide in the mounting seat 41, wherein a slide way is vertically arranged on the mounting seat 41, the hinged slat 44 can be in sliding fit with the slide way, a positioning hole 43 penetrating through the slide way is formed in the mounting seat 41, a through hole for a positioning pin 49 to pass through is formed in the hinged slat 44, the middle section of the balance bar 31 is hinged with the hinged slat 44 through a vertically arranged hinge shaft 35, a rack 5 is arranged on the back side of the hinged slat 44, a plurality of gears 45 are rotatably arranged in the mounting seat 41, and all the gears 45 are meshed with the rack 5, and the driving component for driving the balance bar to rotate is fixedly arranged in the center of one of the gears 45.
The connecting part is a connecting rod 33, one end of the connecting rod 33 is fixedly arranged at one end of the tension sensor 11, the other end of the connecting rod 33 is rotationally connected with a cultivation machine 48 through a rotating shaft, and the damage to the tension sensor 11 can be avoided by transiting the tension of the connecting rod 33.
The driving assembly is a driving motor 46, the driving motor 46 is a speed reducer, a positioning pin 49 is pulled out, the driving motor 46 is started, the driving gear 45 rotates, the hinged slat 44 is lifted up and down to a specified height, the driving motor 46 is stopped, and then the positioning pin 49 is inserted.
An angle sensor 12 is installed at one end of the rotating shaft, the angle sensor 12 is electrically connected with a data acquisition device, the data acquisition device is also electrically connected with a vibration sensor installed on the cultivator 48, and the vibration sensor can respectively detect the vibration frequency of the cultivator 48 when the tractor pulls the cultivator 48; and converting the detected vibration frequency into a high-level analog output voltage signal, and then transmitting the collected analog output voltage signal to a data collector, which receives the high-level analog output voltage and transmits the signal to a data processor.
Fifth embodiment:
as shown in fig. 1 to 10, the method for detecting the power loss of the cultivator comprises the following steps:
A torque detection step: the tractor power input shaft is fixedly connected with the universal linkage rod 22, the tractor is started to drive the universal linkage rod 22 to rotate, the torque sensor 21 and the tractor power output shaft 23 rotate, and when the torque sensor 21 detects the torque of the tractor power output shaft 23, a signal is output to the data acquisition device and then transmitted to the data processor; the torque sensor 21 is used for detecting the output torque of the main shaft of the tractor and converting a detected torque signal into a high-level analog output voltage, then transmitting the high-level analog output voltage to the data collector, receiving the high-level analog output voltage by the data collector and transmitting the signal to the data processor, and then the data processor displays and stores the signal according to the signal displayed by the data processor and analyzes the torque and the power consumption of the data processor under the actual working condition;
And a step of detecting the straight pulling force: starting a tractor, pulling the cultivator 48, detecting the pulling force of the cultivator 48 of the tension sensor 11, adjusting the height of the balance rod 31 through the adjusting component 4 when one group of data is detected, realizing different pulling angles, detecting the pulling force used for pulling the cultivator 48, respectively outputting signals to a data acquisition unit, and then transmitting the signals to a data processor; the device is used for detecting the pulling force of the tractor when the power output shaft 23 outputs and driving the tillage implement 48, converting the detected pulling force signal into a high-level analog output voltage signal, then transmitting the collected analog output voltage signal to a data collector, and transmitting the signal to a data processor after the data collector receives the high-level analog output voltage;
And (3) detecting turning tension: the two tension sensors 11 can detect the tension used when the tractor turns to drive the two ends of the tillage implement 48 to turn; the two tension sensors 11 are respectively used for detecting the tension required by two sides of the tillage implement 48 when the power output shaft 23 of the tractor outputs, converting the detected tension signals into high-level analog output voltage signals, transmitting the collected analog output voltage signals to the data collector, receiving the high-level analog output voltage by the data collector, and transmitting the signals to the data processor; comparing the data detected by the two groups of tension sensors 11;
And (3) a ramp tension detection step: when the tilling implement 48 swings up and down, the angle sensor 12 detects the rotation angle of the tilling implement 48 and outputs a signal to the data collector and then transmits the rotation angle to the data processor, the angle sensor 12 is used for detecting the swinging angle of the tilling implement 48 when the tilling implement 48 swings, the detected angle signal is converted into a high-level analog output voltage signal and then transmits the collected analog output voltage signal to the data collector, the data collector receives the high-level analog output voltage and transmits the signal to the data processor, and meanwhile, the angle sensor 12 is used for detecting the pulling force of the tilling implement 48 when the tractor power output shaft 23 outputs and converting the detected pulling force signal into the high-level analog output voltage signal and then transmitting the collected analog output voltage signal to the data collector, and the data collector receives the high-level analog output voltage and transmits the signal to the data processor, so that the pulling force of the tilling implement 48 on slopes at different angles can be compared, and the power loss of each state can be obtained.
In the invention, the tension sensor 11 is used for measuring the tension generated by the resistance of the cultivator 48 at the joint of the two tension sensors 11 and the cultivator 48 in the process of the cultivation operation, and the torque sensor 21 can measure the torque and the tension transmitted to the cultivator 48 by the tractor through the universal transmission device, so that the power loss in the power output process of the tractor is calculated through data processing.
The data collector is used for receiving analog voltage signals sent by the tension sensor 11 and the torque sensor 21, transmitting the signals to the data processor, and the data processor calculates, receives and analyzes the tension, the torque and the speed of the data processor according to the received real-time data, and generates the power loss in the process.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides a power consumption detection device for cultivation machines which characterized in that: the detecting device comprises a tension detecting mechanism (1), a torque detecting mechanism (2) and a data processing device, wherein the tension detecting mechanism (1) comprises a three-section rod assembly (3) and an adjusting assembly (4) for adjusting the height of the three-section rod, the torque detecting mechanism (2) comprises a torque sensor (21), the end parts of the three-section rod assembly (3) are all provided with tension sensors (11), the middle section of the three-section rod assembly (3) is hinged with the adjusting assembly (4), all the tension sensors (11) are all connected with a sowing machine tool (48) through connecting parts, two ends of the torque sensor (21) are respectively connected with a universal linkage rod (22) and a tractor power output shaft (23), two ends of the universal linkage rod (22) are respectively provided with universal joints, and the data processing device comprises a data acquisition unit and a data processor electrically connected with the data acquisition unit, and the torque sensor (21) and all the tension sensors (11) are electrically connected with the data acquisition unit through signal transmission lines;
The three-section rod assembly (3) comprises a balance rod (31) and two connecting rods (32) which are connected with two ends of the balance rod (31), the middle section of the balance rod (31) is hinged with the adjusting assembly (4), one end of each connecting rod (32) is respectively hinged with two ends of the balance rod (31) through a second hinge shaft (36), and one end of each tension sensor (11) is respectively hinged with one end of each connecting rod (32) which is far away from the balance rod (31);
the connecting part is a connecting rod (33), one end of the connecting rod (33) is fixedly arranged at one end of the tension sensor (11), and the other end of the connecting rod (33) is rotationally connected with the tillage machine tool (48) through a rotating shaft;
An angle sensor (12) is arranged at one end of the rotating shaft, the angle sensor (12) is electrically connected with a data acquisition device, and the data acquisition device is also electrically connected with a vibration sensor arranged on a tillage implement (48);
The adjusting assembly (4) comprises a mounting seat (41), a hinge block (42) and a positioning pin (49), wherein a slideway is vertically arranged on the mounting seat (41), the hinge block (42) can be in sliding fit with the slideway, a positioning hole (43) penetrating through the slideway is formed in the mounting seat (41), a through hole for the positioning pin (49) to penetrate is formed in the hinge block (42), and the middle section of the balance rod (31) is hinged with the hinge block (42) through a vertically arranged hinge shaft (35);
the detection method of the power loss detection device for the cultivator comprises the following steps:
A torque detection step: the power input shaft of the tractor is fixedly connected with the universal linkage rod (22), the tractor is started to drive the universal linkage rod (22) to rotate, the torque sensor (21) and the power output shaft (23) of the tractor to rotate, and when the torque sensor (21) detects the torque of the power output shaft (23) of the tractor, a signal is output to the data acquisition device and then transmitted to the data processor;
and a step of detecting the straight pulling force: the tractor is started to pull the cultivator (48), the pulling force of the cultivator (48) of the tension sensor (11) is detected, each group of data is detected, the height of the balance rod (31) is adjusted through the adjusting component (4), different pulling angles are achieved, the pulling force used for pulling the cultivator (48) is detected, signals are respectively output to the data acquisition device and then transmitted to the data processor, the situation that the tractor with various heights pulls the cultivator (48) can be simulated, and the influence of the heights on the cultivator (48) can be compared by detecting the pulling force data with various heights;
And (3) detecting turning tension: the two tension sensors (11) can detect the tension used when the tractor turns to drive the two ends of the tillage implement (48) to turn; respectively outputting signals to a data collector and then transmitting the signals to a data processor; the turning operation state can be simulated, the situation that stress is uneven is caused on two sides of the cultivator (48), and the two tension sensors (11) can respectively detect the tension used when the tractor turns to drive the two ends of the cultivator (48) to turn;
And (3) a ramp tension detection step: when the tilling implement (48) swings up and down, the angle sensor (12) detects the rotation angle of the tilling implement (48), outputs a signal to the data collector, and then transmits the signal to the data processor.
2. The power loss detection device for a cultivator as claimed in claim 1, wherein: the utility model provides an adjusting part (4) replace for including mount pad (41) of vertical setting, articulated slat (44) of vertical setting and can drive articulated slat (44) at mount pad (41) gliding drive assembly, mount pad (41) are vertical to be provided with the slide, articulated slat (44) can with slide sliding fit, be provided with locating hole (43) that run through the slide on mount pad (41), be provided with the through-hole that supplies locating pin (49) to pass on articulated slat (44), the middle section of balancing pole (31) is articulated with articulated slat (44) through articulated axle (35) of vertical setting, the dorsal part of articulated slat (44) is provided with rack (5) of vertical setting, a plurality of gear (45) are installed in the rotation of mount pad (41), and all gears (45) all mesh with rack (5) and the central fixed mounting of one of them gear (45) have the drive assembly that is used for driving self rotatory.
3. The power loss detection device for a cultivator as claimed in claim 2, wherein: the driving component is a crank (47), and the rotating shaft of the crank (47) is fixedly arranged in the center of the gear (45).
4. The power loss detection device for a cultivator as claimed in claim 2, wherein: the drive assembly is a drive motor (46).
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| CN115014611A (en) * | 2022-06-24 | 2022-09-06 | 湖南凌翔磁浮科技有限责任公司 | Long stator suspension force testing device and method |
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