CN119374774A - Propeller torque detection device and method - Google Patents
Propeller torque detection device and method Download PDFInfo
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- CN119374774A CN119374774A CN202411959118.7A CN202411959118A CN119374774A CN 119374774 A CN119374774 A CN 119374774A CN 202411959118 A CN202411959118 A CN 202411959118A CN 119374774 A CN119374774 A CN 119374774A
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- 238000001514 detection method Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title abstract description 13
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- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 1
- 230000001133 acceleration Effects 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention belongs to the technical field of force measuring devices, and relates to a propeller torque detection device and a method. The invention adjusts the rotating speed of the propeller through the rotating speed adjusting part. The inlet of the air duct is connected with the outlet of the air blast component, and external air is blown into the air duct through the air blast component. The wind pressure adjusting component is used for further adjusting the rotation direction of the air in the air cylinder, thereby changing the torque applied to the propeller and realizing the detection of the propeller under different torque working conditions. The invention can realize the detection of different torques of the propeller at the same rotation speed and the detection of different rotation speeds of the propeller at the same rotation speed, can be used for simulating the measurement of the torque and the acceleration torque of the propeller under different viscous fluids, can also be used for simulating the measurement of the torque and the acceleration torque when the viscosity changes, has more fitting actual conditions in detection, and has more comprehensive and accurate data.
Description
Technical Field
The invention belongs to the technical field of force measuring devices, and relates to a propeller torque detection device and a method.
Background
The amphibious robot has wide application prospects in the fields of military, rescue, environmental protection and the like, and plays an important role in promoting human science and technology progress and expanding living space.
In order to ensure that the amphibious rescue exploration robot can successfully complete exploration tasks under water, the strength of the screw propeller is required to be strong enough to be suitable for water areas under different environments, so that torque detection of the screw propeller is required during production of the amphibious rescue exploration robot.
The invention patent of China with the publication number of CN108918136A discloses a propeller dynamic tension and torsion measuring device, which comprises a propeller component, a transmission shaft, a first sensor component, a transmission mechanism, a second sensor and a power source, wherein the transmission shaft is fixedly connected with a first end of the transmission mechanism after penetrating through the first sensor component, the power source is fixedly connected with a second end of the transmission mechanism through the second sensor, the propeller component is fixedly arranged at one end, far away from the transmission mechanism, of the transmission shaft, the first sensor component is used for detecting the tension and the compression force of the propeller in a motion state, the second sensor is used for detecting the torque of the propeller, and the transmission mechanism is used for elastically connecting the first sensor component and the second sensor and realizing coaxial rotation.
The device for measuring the dynamic tension and torsion of the propeller not only can measure the dynamic tension and torque generated by rotation of the propeller, but also reduces the influence of vibration and acceleration of propulsion system components such as a motor and the like in a vehicle-mounted test on a measurement result, and improves the measurement accuracy. This screw developments pull-torsion measuring device detects when detecting, detect the moment of torsion through making the screw reach different rotational speeds, along with the acceleration of rotational speed, the moment of torsion of screw can increase, but the moment of torsion of screw is non-linear proportional with the acceleration of rotational speed, the rotational speed is linear increase, the moment of torsion then is the increase that acceleration reduces, and, different fluid medium viscosity is different, the resistance that the fluid of different viscosity can produce is different, the moment of torsion that corresponds to produce is also different, however, the device can't realize the detection of different moment of torsion under the same rotational speed, can't realize the detection of different rotational speeds under the same moment of torsion yet, the result of detection is not comprehensive enough.
In summary, the conventional device and method for detecting the torque of the propeller cannot detect different torques at the same rotation speed, and cannot detect different rotation speeds at the same torque, so that the detection result is not comprehensive enough.
Disclosure of Invention
The invention aims to provide a propeller torque detection device and a method, which are used for solving the technical problem that the detection result of the conventional propeller torque detection device and method is not comprehensive.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a propeller torque detection device, which comprises a propeller, wherein the input end of the propeller is connected with a torque sensor, and the device also comprises a blast assembly, an air duct and a rotating speed adjusting part;
The input end of the torque sensor is connected with the output end of the rotating speed regulating part;
The inlet of the air duct is connected with the outlet of the air blast assembly, the propeller is arranged at the outlet of the air duct, the air pressure adjusting assembly and the air direction adjusting assembly are arranged inside the air duct, and the air pressure adjusting assembly is located between the air direction adjusting assembly and the propeller.
Further, the rotating speed adjusting part comprises a detecting motor, the output end of the detecting motor is connected with the input end of the speed regulator through a coupler, and the output end of the speed regulator is connected with the input end of the torque sensor.
Further, the detection motor and the speed regulator are both fixedly arranged on the operation table, the detection motor is fixedly arranged on the operation table through the base plate, and a vibration reduction rubber plate is arranged between the detection motor and the base plate;
The operating table is provided with an air duct.
Further, the dryer includes out dryer, air inlet section of thick bamboo and adjustment section of thick bamboo, and the air inlet section of thick bamboo is connected out dryer through adjustment section of thick bamboo, and the export of blast assembly is connected to the air inlet section of thick bamboo, and the exit of going out the dryer is equipped with the screw, is equipped with wind pressure adjustment assembly on the adjustment section of thick bamboo, is equipped with wind direction adjustment assembly on the air inlet section of thick bamboo.
Further, the wind pressure adjusting assembly comprises a supporting frame, the supporting frame is fixedly connected with an adjusting cylinder, the supporting frame is positioned at the axle center of the adjusting cylinder, a plurality of shaft rods are movably penetrated on the adjusting cylinder at equal intervals along the radial direction, the shaft rods are rotationally connected with the supporting frame, adjusting blades are arranged on the shaft rods, and the adjusting blades are positioned in the adjusting cylinder;
the input end of the shaft lever is connected with a self-locking motor through a transmission device, and the self-locking motor can drive the shaft lever to rotate through a first transmission device so as to drive the adjusting blade to rotate.
Further, the first transmission device comprises an adjusting ring, the adjusting ring is sleeved on the adjusting cylinder, the adjusting ring is rotationally connected with the adjusting cylinder, a plurality of meshing teeth are arranged on the adjusting ring, the output end of the self-locking motor is connected with a fluted disc, the fluted disc is meshed with the meshing teeth, rotating rods are arranged on a plurality of shaft rods, the rotating rods are movably connected with an adjusting rod, and the adjusting rod is movably connected with the adjusting ring.
Further, the wind direction adjusting component comprises an air duct fixedly connected with an air inlet pipe, a rotating shaft is penetrated in the air duct, a fixed conical disk is movably sleeved on the rotating shaft, a plurality of flexible wind direction adjusting plates are arranged on the rotating shaft, the wind direction adjusting plates are fixedly connected with the fixed conical disk, the tip end of the fixed conical disk points to the air blast component, and the gap between the air duct and the fixed conical disk is larger than the gap between two adjacent wind direction adjusting plates;
the rotating shaft is positioned at the axis of the air inlet cylinder and is connected with the driving motor through the second transmission device.
Furthermore, a conical cylinder is arranged at the inlet of the air cylinder, and a small conical opening of the conical cylinder is connected with the outlet of the air blast assembly.
Further, the air blast assembly comprises an air blast cover, the air blast cover is fixedly connected with a small cone opening of the cone cylinder, air blast fan blades are rotatably arranged in the air blast cover, an air blast motor is fixedly arranged outside the air blast cover, and a driving end of the air blast motor is connected with an input end of the air blast fan blades.
Based on the structure, the invention also discloses a propeller torque detection method, which adopts a propeller torque detection device and comprises the following steps:
starting a rotating speed adjusting part, and adjusting the rotating speed of the propeller through the rotating speed adjusting part;
Starting an air blowing component, and adjusting the air flow rate in the air duct through the air blowing component;
starting a wind direction adjusting component, and primarily adjusting the rotation direction of air in the air duct through the wind direction adjusting component;
starting a wind pressure adjusting component, further adjusting the rotation direction of air in the air duct through the wind pressure adjusting component, and changing the angle of impact force born by the propeller, thereby changing the torque born by the propeller;
The torque applied to the propeller is collected by a torque sensor.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the rotating speed of the propeller is regulated by the rotating speed regulating part, so that the detection of different rotating speed working conditions of the propeller is conveniently realized, and the torque generated when the propeller rotates is accurately measured by the torque sensor. The inlet of the air duct is connected with the outlet of the air blast component, external air is blown into the air duct through the air blast component, the air speed in the air duct is changed, and the air duct is used for isolating internal air flow from the outside, so that a stable air flow environment is formed. The wind pressure adjusting component is used for further adjusting the rotation direction of the air in the air cylinder, so as to change the angle of impact force borne by the propeller, thereby changing the torque borne by the propeller and realizing detection of the propeller under different torque working conditions. The invention can detect the screw propeller in three modes of constant rotation speed of torque, uniform change of rotation speed of torque and the like, can realize detection of different rotation speeds of the screw propeller under the same rotation speed and detection of different rotation speeds under the same rotation speed, can be used for simulating measurement of the rotation speeds and acceleration torques of the screw propeller under different viscous fluids, can also be used for simulating measurement of the rotation speeds and acceleration torques when the viscosity is changed, is more suitable for practical conditions in detection, and has more comprehensive and accurate detection data.
2. The driving end of the detection motor drives the speed regulator through the coupler, and the purpose of adopting the coupler is to avoid the direct connection between the driving end of the detection motor and the input end of the speed regulator, so that the vibration caused by the axial deviation can be effectively avoided, and the detection stability is improved.
3. According to the invention, the same adjusting ring is adopted to drive the shaft lever through the adjusting rod and the rotating rod, so that synchronous rotation of the adjusting blades can be realized, the rotation angles of all the adjusting blades are ensured to be consistent, the stability of wind rotation is facilitated, and the detection stability is further improved.
4. The invention can realize detection of the propeller under different rotating speed working conditions by starting the rotating speed adjusting part and adjusting the rotating speed of the propeller, can conveniently realize the adjustment of the air flow rate by starting the air blowing component and adjusting the air flow rate in the air cylinder, can reduce the impact of air on the wind pressure adjusting component by starting the wind direction adjusting component and ensure the stability of the rotating air in the air cylinder by primarily adjusting the rotating direction of the air in the air cylinder by starting the wind direction adjusting component, can change the angle of the impact force of the propeller by further adjusting the rotating direction of the air in the air cylinder by starting the wind pressure adjusting component, thereby changing the torque of the propeller and realizing the detection of the propeller under different torque working conditions, and can collect the torque of the propeller by a torque sensor. The steps are repeated, so that detection of different torques of the propeller at the same rotating speed and detection of different rotating speeds of the propeller at the same torque can be realized, and the detection result is comprehensive and accurate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic detail view of the structure of FIG. 1 rotated by a certain angle;
FIG. 3 is an enlarged schematic view of the console, detection motor, coupling and governor of FIG. 2;
FIG. 4 is an enlarged schematic detail view of the operation table, the detection motor, the coupling and the speed governor of FIG. 2;
FIG. 5 is a schematic detailed view of the structure of FIG. 4 rotated by a certain angle;
FIG. 6 is a schematic detail view of the planar structure of FIG. 5 taken at one of the angles;
FIG. 7 is a schematic detailed view of a three-dimensional structure of a section of a wind tunnel;
FIG. 8 is a schematic detail view of the structure of FIG. 7 rotated a certain angle;
FIG. 9 is a schematic detail view of the planar structure of FIG. 8 taken at one of the angles;
FIG. 10 is an enlarged schematic detail view of a wind pressure regulating assembly;
FIG. 11 is a schematic detail view of the structure of FIG. 10 rotated a certain angle;
FIG. 12 is a schematic detailed view of the construction of the adjustment ring, drive motor and one of the adjustment vanes;
FIG. 13 is an enlarged schematic detailed view of the adjusting blade, the rotating lever and the adjusting lever;
FIG. 14 is an enlarged schematic detail view of the drive motor, air duct and fixed cone;
FIG. 15 is a schematic detail view of the structure of FIG. 14 after a certain angle of rotation;
FIG. 16 is a schematic detail view of the planar structure of FIG. 15 taken at one of the angles;
FIG. 17 is a schematic detail view of the planar structure of FIG. 16 taken along section B-B;
FIG. 18 is a schematic detail view of the perspective structure of FIG. 16 taken along section B-B;
FIG. 19 is a schematic detailed view of the blower assembly;
Fig. 20 is a flow chart of the method of the present invention.
1, An operation table; 2, a detection motor, 3, a coupler, 4, a speed regulator, 5, an air outlet cylinder, 6, an air inlet cylinder, 7, a wind pressure adjusting component, 8, a cone cylinder, 9, a driving motor, 10, a blowing component, 11, a first cone gear set, 12, a propeller, 13, a torque sensor, 14, an air guide cylinder, 15, a wind direction adjusting plate, 16, a fixed cone disc, 17, a second cone gear set, 18, a connecting sealing ring, 19, an adjusting cylinder, 20, a supporting frame, 21, an adjusting blade, 22, a fluted disc, 23, an adjusting ring, 24, a shaft lever, 25, a rotating rod, 26, an adjusting rod, 27, a meshing gear, 28, a fixing frame, 29, a rotating shaft, 30, a blowing cover, 31, a fan blade, 32, a blowing motor, 33, a rotating speed adjusting part, 34, an air cylinder, 35 and a wind direction adjusting component.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description of the present invention and the above-described drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 and 2, the invention discloses a propeller torque detection device, which comprises a propeller 12, wherein an input end of the propeller 12 is connected with a torque sensor 13, and the torque sensor 13 is used for accurately measuring torque generated when the propeller 12 rotates. The air blower assembly 10 is used for adjusting the air flow rate in the air duct 34, and the air duct 34 is used for isolating internal air flow from the outside to form a stable air flow environment.
Referring to fig. 3, the input end of the torque sensor 13 is connected to the output end of the rotation speed adjusting portion 33, and the rotation speed adjusting portion 33 is used for adjusting the rotation speed of the propeller 12, so as to implement detection of different rotation speed conditions of the propeller 12. The inlet of the air duct 34 is connected with the outlet of the air blast assembly 10, a propeller 12 is arranged at the outlet of the air duct 34, a wind pressure adjusting assembly 7 and a wind direction adjusting assembly 35 are arranged in the air duct 34, and the wind pressure adjusting assembly 7 is positioned between the wind direction adjusting assembly 35 and the propeller 12. The wind direction adjusting component 35 is used for primarily adjusting the rotation direction of the air in the air duct 34, reducing the impact of the air flow and the wind pressure adjusting component 7, and further adjusting the rotation direction of the air in the air duct 34 through the wind pressure adjusting component 7, so as to change the angle of the impact force borne by the propeller 12, thereby changing the torque borne by the propeller 12 and realizing the detection of the propeller 12 under different torque working conditions. The direction of air rotation in the air duct 34 is opposite to the direction of rotation of the propeller 12.
The invention can detect the torque of the propeller 12 in three modes of torque-variable rotation speed, torque-variable rotation speed and uniform change of torque rotation speed, can realize detection of different torques of the propeller 12 under the same rotation speed and detection of different rotation speeds under the same torque, can be used for simulating measurement of the torque and acceleration torque of the propeller 12 under different viscous fluids, can also be used for simulating measurement of the torque and acceleration torque when the viscosity is changed, is more suitable for actual conditions, and has more comprehensive and accurate detected data.
Embodiment one:
referring to fig. 1, the present embodiment discloses a propeller torque detecting device, which includes a propeller 12, an input end of the propeller 12 is connected with a torque sensor 13, and further includes a blower assembly 10, a wind barrel 34 and a rotation speed adjusting part 33;
The input end of the torque sensor 13 is connected with the output end of the rotating speed regulating part 33;
Referring to fig. 4 and 5, the inlet of the air duct 34 is connected with the outlet of the air blast assembly 10, the propeller 12 is arranged at the outlet of the air duct 34, the air pressure adjusting assembly 7 and the air direction adjusting assembly 35 are arranged in the air duct 34, and the air pressure adjusting assembly 7 is positioned between the air direction adjusting assembly 35 and the propeller 12.
Preferably, referring to fig. 3, the rotation speed adjusting part 33 includes a detection motor 2, an output end of the detection motor 2 is connected to an input end of a speed regulator 4 through a coupling 3, and an output end of the speed regulator 4 is connected to an input end of a torque sensor 13.
The drive end of the detection motor 2 drives the speed regulator 4 through the coupler 3, the speed regulator 4 drives the torque sensor 13 and the propeller 12 to rotate, and the purpose of adopting the coupler 3 is to avoid the direct connection between the drive end of the detection motor 2 and the input end of the speed regulator 4, so that the vibration caused by the axial deviation can be effectively avoided, and the detection stability is improved.
Preferably, the detection motor 2 and the speed regulator 4 are both fixedly arranged on the operation table 1, the detection motor 2 is fixedly arranged on the operation table 1 through the base plate, a vibration reduction rubber plate is arranged between the detection motor 2 and the base plate, and vibration generated during operation of the detection motor 2 can be reduced by the vibration reduction rubber plate, so that the influence of vibration on detection is avoided.
The operation table 1 is provided with an air duct 34.
Preferably, referring to fig. 4 and 7, the air duct 34 includes an air outlet duct 5, an air inlet duct 6 and an adjusting duct 19, the air inlet duct 6 is connected with the air outlet duct 5 through the adjusting duct 19, the air inlet duct 6 is connected with the outlet of the blower assembly 10, the propeller 12 is arranged at the outlet of the air outlet duct 5, the air pressure adjusting assembly 7 is arranged on the adjusting duct 19, and the air direction adjusting assembly 35 is arranged on the air inlet duct 6.
Preferably, referring to fig. 6, 7, 8, 9, 10 and 11, the wind pressure adjusting assembly 7 includes a supporting frame 20, the supporting frame 20 is fixedly connected with an adjusting cylinder 19, the supporting frame 20 is located at the axle center of the adjusting cylinder 19, a plurality of shaft rods 24 are movably penetrated on the adjusting cylinder 19 at equal intervals along the radial direction, the shaft rods 24 are rotatably connected with the supporting frame 20, adjusting blades 21 are arranged on the shaft rods 24, and the adjusting blades 21 are located inside the adjusting cylinder 19;
the input end of the shaft lever 24 is connected with a self-locking motor through a transmission device, and the self-locking motor can drive the shaft lever 24 to rotate through a first transmission device, so that the adjusting blade 21 is driven to rotate.
Preferably, referring to fig. 12 and 13, the first transmission device includes an adjusting ring 23, the adjusting ring 23 is sleeved on the adjusting cylinder 19, the adjusting ring 23 is rotationally connected with the adjusting cylinder 19, a plurality of engaging teeth 27 are arranged on the adjusting ring 23, the output end of the self-locking motor is connected with a fluted disc 22, the fluted disc 22 is engaged with the engaging teeth 27, a plurality of shaft rods 24 are respectively provided with a rotating rod 25, the shaft rods 24 are fixedly connected with the rotating rods 25, the rotating rods 25 are movably connected with an adjusting rod 26, and the adjusting rod 26 is movably connected with the adjusting ring 23.
When the self-locking motor is particularly operated, the self-locking motor drives the adjusting ring 23 to rotate through the fluted disc 22 and the meshing teeth 27, the adjusting ring 23 drives the shaft lever 24 to rotate through the adjusting rod 26 and the rotating rod 25, the shaft lever 24 drives the adjusting blade 21 to rotate for a certain angle, the adjustment of the air rotation angle in the adjusting cylinder 19 is realized, the self-locking motor has a power-off self-locking function, and the fluted disc 22 and the meshing teeth 27 are prevented from rotating relatively after the self-locking motor is powered off. The direction of rotation of the air in the adjustment cylinder 19 is opposite to the direction of rotation of the propeller 12. The same adjusting ring 23 is adopted to drive the shaft lever 24 through the adjusting rod 26 and the rotating rod 25, so that synchronous rotation of the adjusting blades 21 can be realized, the rotation angles of all the adjusting blades 21 are ensured to be consistent, the stability of wind rotation is facilitated, and the detection accuracy is further improved.
Preferably, referring to fig. 15, 16 and 17, the wind direction adjusting assembly 35 includes a wind guide tube 14, the wind guide tube 14 is fixedly connected with the wind inlet tube 6, a rotating shaft 29 is penetrated in the wind guide tube 14, a fixed cone 16 is movably sleeved on the rotating shaft 29, the rotating shaft 29 is provided with a plurality of flexible wind direction adjusting plates 15, the wind direction adjusting plates 15 are fixedly connected with the fixed cone 16, the tip of the fixed cone 16 points to the blast assembly 10, and the gap between the wind guide tube 14 and the fixed cone 16 is larger than the gap between two adjacent wind direction adjusting plates 15;
The rotating shaft 29 is positioned at the axis of the air inlet barrel 6, and the rotating shaft 29 is connected with the driving motor 9 through a second transmission device, as shown in fig. 14.
In specific operation, the driving motor 9 drives the rotating shaft 29 to rotate through the second transmission device, so that the wind direction adjusting plate 15 is driven to rotate, and air is further enabled to rotate in the air duct 14, so that the air has a certain rotating speed when entering the wind pressure adjusting assembly 7, the impact of flowing air on the wind pressure adjusting assembly 7 is reduced, and the rotating air output by the wind pressure adjusting assembly 7 is more stable.
Preferably, referring to fig. 9, a cone 8 is disposed at the inlet of the air duct 34, and a small cone opening of the cone 8 is connected with the outlet of the air blast assembly 10.
Preferably, referring to fig. 19, the blower assembly 10 includes a blower housing 30, the blower housing 30 is fixedly connected with a small cone opening of the cone 8, a blower fan blade 31 is rotatably disposed in the blower housing 30, a blower motor 32 is fixedly mounted outside the blower housing 30, and a driving end of the blower motor 32 is connected with an input end of the blower fan blade 31.
Embodiment two:
Referring to fig. 1 to 3, referring to fig. 1, the embodiment discloses a propeller torque detection device, which comprises an operation table1, a detection motor 2, a coupling 3, a speed regulator 4, an air outlet barrel 5, a wind pressure adjusting component 7, an air blowing component 10, a propeller 12 and a torque sensor 13, wherein an output shaft of the torque sensor 13 is fixedly connected with an input shaft of the propeller 12;
The torque sensor 13 is also called a torque sensor, a torque sensor and a torque meter, and is divided into two types of dynamic and static states, wherein the dynamic torque sensor can be called a torque sensor, a torque rotating speed sensor, a non-contact torque sensor, a rotary torque sensor and the like, the torque sensor 13 is used for detecting the torque sensing on various rotary or non-rotary mechanical parts, and the torque sensor 13 converts the physical change of the torque into an accurate electric signal, so that the S2000 torque sensor can be adopted by the invention.
The rotation speed adjusting part 33 is installed on the operation platform 1 and is used for adjusting the rotation speed of the propeller 12, the rotation speed adjusting part 33 comprises a detection motor 2 fixedly installed on the operation platform 1, and a rotation speed adjusting component is installed between the detection motor 2 and the propeller 12.
The rotating speed adjusting component comprises a speed regulator 4 fixedly arranged on the operating platform 1, the driving end of the speed regulator 4 is fixedly connected with the input end of the torque sensor 13, and the input end of the speed regulator 4 is connected with the driving end of the detection motor 2 through a coupler 3.
The drive end of the detection motor 2 drives the speed regulator 4 through the coupler 3 so as to drive the torque sensor 13 and the propeller 12 to rotate, the purpose of adopting the coupler 3 at the position is to avoid the direct connection between the drive end of the detection motor 2 and the drive end of the speed regulator 4, so that the condition of vibration caused by axial deviation can be effectively avoided, and the detection stability is improved.
The upper part of the operation table 1 is fixedly provided with a base plate, a vibration reduction rubber plate is fixedly arranged between the base plate and the detection motor 2, and the vibration reduction rubber plate is used for reducing vibration generated by the operation of the detection motor 2 and avoiding the influence of the vibration on the detection.
Referring to fig. 1 to 13, the invention further comprises a resistance adjusting part, the resistance adjusting part is fixedly connected with the operation table 1, the resistance adjusting part is used for adjusting resistance born by the propeller 12 during rotation and simulating torque detection of the propeller 12 in water areas with different viscosities, the resistance adjusting part comprises an air outlet barrel 5 fixedly installed on the side edge of the operation table 1, and the air outlet barrel 5 is provided with a wind pressure adjusting component 7.
The wind pressure adjusting component 7 comprises a connecting sealing ring 18 fixedly connected with the wind outlet barrel 5, an adjusting barrel 19 is fixedly installed on the connecting sealing ring 18, a supporting frame 20 is fixedly installed inside the adjusting barrel 19, a plurality of fixing frames 28 are arranged on the supporting frame 20, a plurality of shaft rods 24 are rotatably installed on the fixing frames 28, an adjusting blade 21 is fixedly installed on each shaft rod 24, the rotating direction of the adjusting blade 21 is opposite to that of the propeller 12 during operation, one side, away from the connecting sealing ring 18, of the adjusting barrel 19 is fixedly connected with the wind inlet barrel 6, a driving motor 9 is installed on the wind inlet barrel 6, the driving motor 9 adopts a double-shaft bidirectional motor, and a first driving end of the driving motor 9 drives the shaft rods 24 to rotate through a first transmission device.
The rotation of the shaft 24 drives the adjusting blade 21 to rotate, thereby changing the angle of the adjusting blade 21, so that wind rotates when passing through the adjusting blade 21, thereby changing the opposite impact angle between the wind and the propeller 12, and changing the impact force, so as to simulate the torque of the propeller 12 under different resistance conditions.
The function of connecting sealing washer 18 is in order to connect adjusting cylinder 19 and play dryer 5, guarantees the leakproofness of adjusting cylinder 19 and play dryer 5 junction, avoids appearing leaking out and produces the vortex, improves the rotatory stability of wind in the dryer 5, and then improves the stability that detects.
The driving motor 9 has an automatic locking function of stopping, a fluted disc 22 is fixedly installed on a first driving end of the driving motor 9, an adjusting ring 23 is rotatably installed on the adjusting cylinder 19, a plurality of meshing teeth 27 meshed with the fluted disc 22 are fixedly installed on the adjusting ring 23, a plurality of adjusting rods 26 are rotatably installed on the adjusting ring 23, a rotating rod 25 is fixedly installed on each shaft rod 24, and each rotating rod 25 is rotatably connected with the corresponding adjusting rod 26.
The first driving end of the driving motor 9 rotates to drive the fluted disc 22 to rotate, the adjusting ring 23 is driven to rotate under the action of the meshing teeth 27, the adjusting ring 23 rotates to drive the adjusting rod 26 to move, and the rotating rod 25 can drive the shaft lever 24 to rotate but not move, so that along with the movement of the adjusting rod 26, one end of the adjusting rod 26 can drive one end of the rotating rod 25 to rotate around the shaft lever 24, thereby changing the angle of the adjusting blade 21, and the rotating rod 25 can also reversely drive the adjusting rod 26 to rotate while rotating, so that the included angle between the rotating rod 25 and the adjusting rod 26 can be changed.
The rotation adjusting mode of the adjusting blades 21 has the characteristic of high stability, and the rotation angle of each adjusting blade 21 is consistent, so that the deflection angles of a plurality of adjusting blades 21 are not different due to the dislocation between the fluted disc 22 and the meshing teeth 27. If the deflection angles of the partial adjustment blades 21 are different, the rotation angle of natural wind is affected, and a vortex is easily generated.
Embodiment III:
the embodiment differs from the second embodiment in that, referring to fig. 1-3 and 14-19, an air inlet barrel 6 is fixedly arranged at one side of the air pressure adjusting component 7 away from the air outlet barrel 5, and an air direction adjusting component 35 matched with the air pressure adjusting component 7 is arranged in the air inlet barrel 6;
The wind direction adjusting component 35 comprises a wind guide cylinder 14 fixedly installed inside the wind inlet cylinder 6, a fixed conical disc 16 is fixedly installed inside the wind guide cylinder 14 through a frame body, a plurality of wind direction adjusting plates 15 are fixedly installed on the fixed conical disc 16, the wind direction adjusting plates 15 are the same as the rotating direction of the adjusting blades 21 in operation, one side of each wind direction adjusting plate 15 is fixedly connected with the fixed conical disc 16, the other side of each wind direction adjusting plate 15 is fixedly connected with a rotating shaft 29, the rotating shaft 29 penetrates through the fixed conical disc 16 and is rotationally connected with the fixed conical disc 16, and the second driving end of the driving motor 9 is connected with the rotating shaft 29 through a second transmission device.
When the angle of the adjusting blade 21 is changed, the impact force between the wind in the wind inlet barrel 6 and the adjusting blade 21 is changed, in order to reduce the impact force to the minimum, a rotating shaft 29 is designed, the rotating shaft 29 rotates to drive a wind direction adjusting plate 15 to rotate, so that the wind rotates in the wind inlet barrel 6, and the wind can rotate in advance before reaching the adjusting blade 21, and the rotating angle is relatively consistent with the angle of the adjusting blade 21, so that the impact force between the wind and the adjusting blade 21 is reduced;
Because wind rotates in the air inlet cylinder 6 and the air outlet cylinder 5 and friction force is generated between the wind and the inner walls of the air inlet cylinder 6 and the air outlet cylinder 5, the friction force can reduce the rotation force of the wind, and the pressure release rotation of the wind is continuously carried out through the adjusting blades 21 at the moment so as to improve the stability of the rotating wind.
Through changing the direction of rotation of wind in the inlet duct 6, reduce the wind in the inlet duct 6 as far as possible and get into behind the wind pressure adjusting part 7 with adjusting vane 21 between the contained angle, can reduce the impact force between wind and the adjusting vane 21 to reduce adjusting vane 21's vibration, effectually reduce adjusting vane 21 vibration and lead to the wind in the outlet duct 5 to form the probability of vortex, make the wind rotation in the outlet duct 5 more regular, improve the stability of detection.
Referring to fig. 14, the second transmission device comprises a shaft body, the shaft body is movably arranged on the cone drum 8 in a penetrating manner, the cone drum 8 is fixedly arranged on the air inlet drum 6, one end of the shaft body is connected with the rotating shaft 29 through a second cone gear set 17, and the other end of the shaft body is connected with the second driving end of the driving motor 9 through a first cone gear set 11.
Along with the angle change of the adjusting blade 21, the second driving end of the driving motor 9 drives the shaft body to rotate through the first bevel gear set 11, and the shaft body drives the rotating shaft 29 to rotate through the second bevel gear set 17, so that the wind direction adjusting plate 15 is driven to rotate, the wind direction adjusting plate 15 is twisted and deformed, and the wind direction adjusting plate 15 is made of a metal material with certain toughness, so that the wind direction adjusting plate can be twisted and has certain strength for resisting the impact of natural wind.
The air duct 14 is connected with the wind direction regulating plates 15, the gap between the air duct 14 and the fixed cone disc 16 is larger than the gap between the two adjacent wind direction regulating plates 15, the purpose of the arrangement is to enable natural wind in the air duct 14 to enter the wind direction regulating plates 15, and the air flow rate is increased due to the fact that the space is reduced, so that the air flow rate is increased, the influence of friction force on the inner wall of the air duct 6 on the rotation of the natural wind is reduced, and the fixed cone disc 16 is in a cone-shaped design, can guide the natural wind, and can effectively reduce vibration.
The air inlet barrel 6 is provided with an air blowing component 10 at one side far away from the air pressure regulating component 7, the air blowing component 10 comprises an air blowing cover 30 fixedly arranged on the cone barrel 8, an air blowing fan blade 31 is rotatably arranged in the air blowing cover 30, an air blowing motor 32 is fixedly arranged outside the air blowing cover 30, the driving end of the air blowing motor 32 is connected with the input end of the air blowing fan blade 31, and the driving end of the air blowing motor 32 rotates to drive the air blowing fan blade 31 to rotate, so that external air is blown into the air inlet barrel 6 through the air blowing cover 30;
Because the blast fan blade 31 is also the rotatory blast air, consequently the natural wind of blowing into in the dryer 6 also can exist the rotation of certain degree, and rotation direction is unanimous with wind direction adjusting part 35 and wind pressure adjusting part 7's rotation direction, through design cone 8 this moment, enlarges the runner of natural wind to reduce the velocity of flow of natural wind, increase cone 8 inner wall frictional force and to the rotatory influence of natural wind, thereby reduce the rotation intensity of natural wind in the cone 8, be convenient for adjust the wind direction of natural wind in the later stage like this.
Based on the structure, the specific operation steps of the invention are as follows:
Firstly, connecting a propeller 12 with a torque sensor 13, then installing the torque sensor 13 on a driving end of a rotating speed adjusting component, then starting a detection motor 2, and driving the torque sensor 13 and the propeller 12 to rotate by the driving end of the detection motor 2 through the rotating speed adjusting component;
In the torque detection process, since the resistance force applied to the propeller 12 is constant when the propeller 12 rotates at a constant speed, the torque is constant, and the resistance force increases with the increase of the rotation speed, so that the torque increases, but the torque gradually decreases, and the resistance force needs to be changed in order to keep the torque constantly increasing;
External wind is blown into the wind inlet barrel 6 through the air blowing component 10, then the direction of the wind in the wind barrel 34 is changed through the wind pressure adjusting component 7, the wind rotates in the wind outlet barrel 5, the rotating direction is opposite to the rotating direction of the propeller 12, and the direction of impact force between the rotating wind and the propeller 12 is changed. When the natural wind is fixed, the impact force is fixed, the angle of the impact force is changed, and the resistance of the propeller 12 is a component of the impact force, so that the resistance on the propeller 12 can be changed along with the change of the angle of the impact force;
Because natural wind blows on the wind pressure adjusting component 7, the wind pressure adjusting component 7 can vibrate, in order to reduce vibration, the natural wind in the wind inlet cylinder 6 is rotated through the wind direction adjusting component 35, and the rotating direction is consistent with the wind rotating direction adjusted by the wind pressure adjusting component 7, so that the natural wind can rotate to enter the wind pressure adjusting component 7, the impact force between wind and the wind pressure adjusting component 7 can be reduced, and vibration is reduced.
Based on the above structure, the invention also discloses a propeller torque detection method, see fig. 20, comprising the following steps:
s1, starting a rotating speed adjusting part 33, and adjusting the rotating speed of the propeller 12 through the rotating speed adjusting part 33, so that detection of the propeller 12 under different rotating speed working conditions can be realized;
s2, starting the air blowing component 10, and adjusting the air flow rate in the air duct 34 through the air blowing component 10, so that the air flow rate can be adjusted;
S3, starting a wind direction adjusting assembly 35, and primarily adjusting the rotation direction of air in the air duct 34 through the wind direction adjusting assembly 35, so that the impact of the air on the wind pressure adjusting assembly 7 is reduced, and the stability of the air in the air duct 34 is ensured;
S4, starting a wind pressure adjusting assembly 7, further adjusting the rotation direction of air in the air duct 34 through the wind pressure adjusting assembly 7, and changing the angle of impact force borne by the propeller 12, so that torque borne by the propeller 12 is changed;
s5, collecting the torque born by the propeller 12 through the torque sensor 13.
The steps are repeated, so that the detection of different torques of the propeller 12 at the same rotating speed and the detection of different rotating speeds of the propeller at the same torque can be realized, and the detection result is comprehensive and accurate.
The foregoing is merely illustrative of the technical idea of the present invention, and the scope of the present invention is not limited thereto, but any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the scope of the present invention.
Claims (10)
1. The propeller torque detection device comprises a propeller (12), wherein the input end of the propeller (12) is connected with a torque sensor (13), and the device is characterized by further comprising a blowing component (10), a wind barrel (34) and a rotating speed adjusting part (33);
the input end of the torque sensor (13) is connected with the output end of the rotating speed regulating part (33);
The inlet of the air duct (34) is connected with the outlet of the air blast assembly (10), the propeller (12) is arranged at the outlet of the air duct (34), the air pressure adjusting assembly (7) and the air direction adjusting assembly (35) are arranged in the air duct (34), and the air pressure adjusting assembly (7) is located between the air direction adjusting assembly (35) and the propeller (12).
2. The propeller torque detection apparatus according to claim 1, wherein the rotation speed adjustment portion (33) includes a detection motor (2), an output end of the detection motor (2) is connected to an input end of a speed regulator (4) through a coupling (3), and an output end of the speed regulator (4) is connected to an input end of a torque sensor (13).
3. The propeller torque detection apparatus as claimed in claim 2, wherein the detection motor (2) and the speed regulator (4) are both fixedly arranged on the operation table (1), the detection motor (2) is fixedly arranged on the operation table (1) through a backing plate, and a vibration-damping rubber plate is arranged between the detection motor (2) and the backing plate;
An air duct (34) is arranged on the operating platform (1).
4. The propeller torque detection apparatus as claimed in claim 1, wherein the wind barrel (34) comprises a wind outlet barrel (5), a wind inlet barrel (6) and an adjusting barrel (19), the wind inlet barrel (6) is connected with the wind outlet barrel (5) through the adjusting barrel (19), the wind inlet barrel (6) is connected with an outlet of the blower assembly (10), a propeller (12) is arranged at the outlet of the wind outlet barrel (5), a wind pressure adjusting assembly (7) is arranged on the adjusting barrel (19), and a wind direction adjusting assembly (35) is arranged on the wind inlet barrel (6).
5. The propeller torque detection apparatus as claimed in claim 4, wherein the wind pressure adjusting assembly (7) comprises a supporting frame (20), the supporting frame (20) is fixedly connected with an adjusting cylinder (19), the supporting frame (20) is located at the axis of the adjusting cylinder (19), a plurality of shaft rods (24) are movably penetrated on the adjusting cylinder (19) at equal intervals along the radial direction, the shaft rods (24) are rotatably connected with the supporting frame (20), adjusting blades (21) are arranged on the shaft rods (24), and the adjusting blades (21) are located inside the adjusting cylinder (19);
The input end of the shaft lever (24) is connected with a self-locking motor through a transmission device, and the self-locking motor can drive the shaft lever (24) to rotate through a first transmission device so as to drive the adjusting blade (21) to rotate.
6. The propeller torque detection apparatus as claimed in claim 5, wherein the first transmission device comprises an adjusting ring (23), the adjusting ring (23) is sleeved on the adjusting cylinder (19), the adjusting ring (23) is rotatably connected with the adjusting cylinder (19), a plurality of engaging teeth (27) are arranged on the adjusting ring (23), the output end of the self-locking motor is connected with a fluted disc (22), the fluted disc (22) is meshed with the engaging teeth (27), a plurality of shaft rods (24) are respectively provided with a rotating rod (25), the rotating rods (25) are movably connected with an adjusting rod (26), and the adjusting rods (26) are movably connected with the adjusting ring (23).
7. The propeller torque detection apparatus as claimed in claim 4, wherein the wind direction adjustment assembly (35) comprises a wind guide tube (14), the wind guide tube (14) is fixedly connected with a wind inlet tube (6), a rotating shaft (29) is arranged inside the wind guide tube (14) in a penetrating manner, a fixed conical disc (16) is movably sleeved on the rotating shaft (29), the rotating shaft (29) is provided with a plurality of flexible wind direction adjustment plates (15), the wind direction adjustment plates (15) are fixedly connected with the fixed conical disc (16), the tip of the fixed conical disc (16) points to the blast assembly (10), and a gap between the wind guide tube (14) and the fixed conical disc (16) is larger than a gap between two adjacent wind direction adjustment plates (15);
the rotating shaft (29) is positioned at the axle center of the air inlet barrel (6), and the rotating shaft (29) is connected with the driving motor (9) through a second transmission device.
8. The propeller torque detection apparatus as recited in claim 1, characterized in that the inlet of the air duct (34) is provided with a cone (8), and a small cone opening of the cone (8) is connected with the outlet of the blower assembly (10).
9. The propeller torque detection apparatus as recited in claim 8, wherein the blower assembly (10) includes a blower housing (30), the blower housing (30) is fixedly connected with a small cone opening of the cone (8), a blower fan blade (31) is rotatably disposed inside the blower housing (30), a blower motor (32) is fixedly mounted outside the blower housing (30), and a driving end of the blower motor (32) is connected with an input end of the blower fan blade (31).
10. A propeller torque detection method using the propeller torque detection apparatus according to any one of claims 1 to 9, characterized by comprising the steps of:
A rotation speed adjusting part (33) is started, and the rotation speed of the propeller (12) is adjusted by the rotation speed adjusting part (33);
Starting the air blowing component (10), and adjusting the air flow rate in the air duct (34) through the air blowing component (10);
starting a wind direction adjusting component (35), and primarily adjusting the rotation direction of air in the air duct (34) through the wind direction adjusting component (35);
starting a wind pressure adjusting component (7), further adjusting the rotation direction of air in the air duct (34) through the wind pressure adjusting component (7), and changing the angle of impact force borne by the propeller (12), so as to change the torque borne by the propeller (12);
the torque applied to the propeller (12) is collected by a torque sensor (13).
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| CN202411959118.7A CN119374774A (en) | 2024-12-30 | 2024-12-30 | Propeller torque detection device and method |
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| CN202411959118.7A CN119374774A (en) | 2024-12-30 | 2024-12-30 | Propeller torque detection device and method |
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