CN210258876U - Belt transmission system debugging device for small unmanned aerial vehicle - Google Patents
Belt transmission system debugging device for small unmanned aerial vehicle Download PDFInfo
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- CN210258876U CN210258876U CN201920801571.3U CN201920801571U CN210258876U CN 210258876 U CN210258876 U CN 210258876U CN 201920801571 U CN201920801571 U CN 201920801571U CN 210258876 U CN210258876 U CN 210258876U
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Abstract
The utility model relates to a debugging device of hold-in range, specific belt drive system debugging device for small-size unmanned aerial vehicle that says so. The device comprises a bracket, a frequency converter, a variable frequency motor, a motor synchronous belt component, a bearing support, a transmission shaft, a tail pipe mounting bracket, a coupler and a synchronous belt tension tester; a tail pipe mounting bracket is arranged on the bracket, a bearing support is arranged on the cross beam adjacent to the tail pipe mounting bracket, and a transmission shaft is arranged in an upper end shaft hole of the bearing support; a frequency converter mounting rack for mounting a frequency converter is arranged on the bracket; a variable frequency motor mounting rack for mounting a variable frequency motor is arranged on the bracket; the output end of the frequency converter is connected with a variable frequency motor; the output shaft of the variable frequency motor is provided with a motor synchronous belt component, and the motor synchronous belt component comprises a driving wheel, a driven wheel and a belt; the synchronous belt tension tester is directly arranged on the synchronous belt of the tail pipe assembly to be tested during testing; one end of the coupler is connected with the output end of the transmission shaft, and the other end of the coupler is connected with the tail pipe assembly to be tested.
Description
Technical Field
The utility model relates to a debugging device of hold-in range, specific belt drive system debugging device for small-size unmanned aerial vehicle that says so.
Background
The synchronous belt is a mode of power transmission of the small unmanned helicopter, and power of an engine is transmitted to the tail rotor through the synchronous belt. The span of the general synchronous belt is longer, about 1.5 meters, the two ends of the synchronous belt are belt wheels, and the middle of the synchronous belt is a belt wheel. The rotating speed of the tail rotor is high and is about 6300r/min, the two ends of the synchronous belt are required not to be rubbed with the flanges of the belt wheel when the synchronous belt is used, and the tension of the synchronous belt has strict requirements. Therefore, debugging before use is particularly important. At present, no convenient, simple and practical debugging device exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned weak point provide a belt drive system debugging device for small-size unmanned aerial vehicle for the hold-in range is debugged through the device after the assembly, thereby simplifies the technology, improves production efficiency.
The utility model discloses an adopt following technical scheme to realize:
a belt transmission system debugging device for a small unmanned aerial vehicle comprises a support, a frequency converter, a variable frequency motor, a motor synchronous belt assembly, a bearing support, a transmission shaft, a tail pipe mounting support, a coupler and a synchronous belt tension tester; the tail pipe mounting bracket is two symmetrical and parallel F-shaped tail pipe mounting frames, and mounting holes are formed in the transverse ends of the tail pipe mounting brackets and used for fixing tail pipe components to be tested in the later period; a bearing support is arranged on the cross beam adjacent to the tail pipe mounting bracket, and a transmission shaft is arranged in an upper end shaft hole of the bearing support; a frequency converter mounting frame is arranged on the rightmost cross beam of the support, and the frequency converter is mounted on the frequency converter mounting frame; a variable frequency motor mounting frame is arranged on the three cross beams on the right side of the support, and the variable frequency motor is mounted on the variable frequency motor mounting frame; the output end of the frequency converter is connected with the variable frequency motor to supply power to the variable frequency motor; a motor synchronous belt assembly is arranged on an output shaft of the variable frequency motor, and comprises a driving wheel arranged on the output shaft of the variable frequency motor, a driven wheel arranged on the input end of a transmission shaft and a belt sleeved on the driving wheel and the driven wheel;
the synchronous belt tension tester is directly arranged on the synchronous belt of the tail pipe assembly to be tested when the system tests the tension of the synchronous belt;
one end of the coupler is connected with the output end of the transmission shaft through a spline, and the other end of the coupler is connected with the tail pipe assembly to be tested.
The tail pipe mounting bracket is longitudinally provided with a plurality of screw holes, so that the tail pipe mounting bracket can move up and down on the bracket, and the height of the tail pipe mounting bracket is changed.
The upper part of the belt of the motor synchronous belt component is provided with a synchronous belt protective cover for safety protection and protection of the safety of testing personnel.
The device is also provided with a tail rotor protection cover support for installing a tail rotor protection cover, wherein the tail rotor protection cover is used for protecting the tail rotor of the tail pipe assembly to be tested when the tail rotor protection cover is used and debugged, and protecting the safety of testers.
The shaft coupling adopts carbon fiber pipe both ends to install the titanium alloy piece additional to the decentraction problem of adjusting equipment, the both ends of shaft coupling adopt splined connection, make the installation simple and convenient.
When the debugging device is used, a tail pipe assembly to be tested is sleeved on a coupler spline far away from a transmission shaft and is fixed on a tail pipe mounting frame through a hexagonal flange face bolt; a tail beam assembly is driven by a synchronous belt sleeved with a variable frequency motor and a tail pipe assembly to be tested through a coupler; and the rotating speed of the variable frequency motor is adjusted through the frequency converter, so that the actual use condition is simulated, and the synchronous belt is adjusted.
After the equipment operation, the tail rotor rotates, but the tail rotor can not the displacement, leads to the tail rotor power consumption to be less than the power when in actual use, in order to solve this problem, this device has still set up steering wheel control device and has carried out the tail rotor displacement, can simulate the in-service use operating mode completely for hold-in range life-span is experimental. A steering engine control device mounting bracket is arranged on a cross beam on the opposite side of the tail pipe mounting bracket, and the steering engine control device is mounted on the steering engine control device mounting bracket.
The steering engine control device is composed of a handle, a rocker arm, bearings and a long pull rod, wherein rod end bearings are installed at two ends of the long pull rod, the long pull rod penetrates through a tail pipe assembly to be tested, one end of the long pull rod is connected with the rocker arm, the other end of the long pull rod is connected to a variable-pitch sliding cylinder assembly of the tail pipe assembly to be tested, the steering engine control device drives the long pull rod to move by operating the variable-pitch rod to rotate around the bearings, so that the sliding cylinder is driven to move, and finally.
Compared with the prior art, the utility model have following advantage:
1) the variable frequency motor is adopted for driving, the rotating speed is high, and the synchronous belt is more accurately installed and adjusted, so that the consistency of products is improved;
2) the frequency converter is adopted to control the rotating speed of the motor, and the rotating speed of the tail rotor can be set according to requirements;
3) the weight type tension tester is adopted to simply and conveniently test the tension of the synchronous belt and strictly control the tension of the synchronous belt.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a bracket part of the present invention;
FIG. 2 is a front view of the bracket structure of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic view of the usage state of the present invention;
fig. 6 is a schematic diagram of the present invention using a synchronous belt tension tester for testing;
FIG. 7 is a schematic view of the steering engine control device for operating the variable pitch tail rotor of the present invention;
FIG. 8 is a top view of FIG. 7;
fig. 9 is a schematic diagram of the steering engine control device of the present invention.
In the figure: 1. the device comprises a support, 2, a frequency converter, 2-1, a frequency converter mounting rack, 3, a synchronous belt protective cover, 4, a bearing support, 5, a transmission shaft, 6, a variable frequency motor, 6-1, a variable frequency motor mounting rack, 7, a tail pipe mounting support, 8, a motor synchronous belt assembly, 9, a coupler, 10, a first synchronous belt pulley, 11, a tail pipe assembly, 12, a synchronous belt, 13, a tail rotor protective cover, 13-1, a tail rotor protective cover support, 14, a second synchronous belt pulley, 15, a hexagon flange bolt, 16, a steering engine control device, 16-1, a steering engine control device mounting support, 17, a synchronous belt tension tester, 18, a rocker arm, 19, a bearing, 20, a long pull rod, 21, a tail rotor, 22, a handle, 23, an M4X16 screw, 24, an M3X18 screw, 25 and an M3 nut.
Detailed Description
Referring to the attached drawings 1-9, the utility model relates to a belt drive system debugging device for small-size unmanned aerial vehicle includes support 1, converter 2, hold-in range protection casing 3, inverter motor 6, motor synchronous belt subassembly 8, bearing support 4, transmission shaft 5, tail pipe installing support 7, shaft coupling 9, hold-in range tensioning force tester 17 and steering wheel control device 16. The tail pipe assembly test device is characterized in that the support 1 is provided with four cross beams and two longitudinal beams, a tail pipe mounting support 7 is arranged on the left side of the support 1, the tail pipe mounting support 7 is two symmetrical and parallel F-shaped tail pipe mounting frames, and mounting holes are formed in the transverse end of the tail pipe mounting support 7 and used for fixing a tail pipe assembly to be tested in the later stage; a bearing support 4 is arranged on the support on the same side of the tail pipe mounting support 7, and a transmission shaft 5 is arranged in a shaft hole at the upper end of the bearing support 4; a frequency converter mounting rack 2-1 is arranged on the opposite side of the tail pipe mounting bracket 7, and the frequency converter 2 is mounted on the frequency converter mounting rack 2-1; a variable frequency motor mounting frame 6-1 is arranged on the support 1 close to one side of the frequency converter 2, and the variable frequency motor 6 is mounted on the variable frequency motor mounting frame 6-1; a motor synchronous belt assembly 8 is arranged on an output shaft of the variable frequency motor 6, and the motor synchronous belt assembly 8 comprises a driving wheel arranged on the output shaft of the variable frequency motor, a driven wheel arranged on the input end of the transmission shaft 5 and a belt sleeved on the driving wheel and the driven wheel; a steering engine control device mounting bracket 16-1 is arranged on a cross beam on the opposite side of the tail pipe mounting bracket 7, and the steering engine control device 16 is mounted on the steering engine control device mounting bracket 16-1 through an M4X16 screw 23; the steering engine control device consists of a handle 22, a rocker arm 18, a bearing 19 and a long pull rod 20, wherein the long pull rod 20 is connected with the rocker arm 18 through an M3X18 screw 24 and an M3 nut 25; the two ends of the long pull rod 20 are provided with rod end bearings, and the long pull rod 20 penetrates through the tail pipe component to be tested; one end of the long pull rod 20 is connected with the rocker 18, and the other end is connected with a variable-pitch sliding cylinder assembly of the tail pipe assembly to be tested. The steering engine control device controls the rocker arm 18 to rotate around the bearing 19 through the handle 22, and drives the long pull rod 20 to move, so that the sliding cylinder is driven to move, and finally the tail rotor 21 is driven to change the pitch.
The tail pipe mounting bracket 7 is longitudinally provided with a plurality of screw holes, so that the tail pipe mounting bracket 7 can move up and down on the bracket, and the height of the tail pipe mounting bracket 7 is changed;
the synchronous belt tension tester 17 is directly arranged on the synchronous belt 12 of the tail pipe assembly to be tested during system test;
one end of the coupler 9 is connected with the output end of the transmission shaft 5 through a spline, and the other end of the coupler 9 is connected with the tail pipe assembly to be tested.
The upper part of the belt of the motor synchronous belt component 8 is provided with a synchronous belt protective cover 3 for safety protection and protecting the safety of testing personnel.
The device is further provided with a tail rotor protective cover support 13-1 for installing a tail rotor protective cover 13, wherein the tail rotor protective cover 13 is used for protecting a tail rotor of a tail pipe assembly to be tested during use and debugging and protecting the safety of testing personnel.
The system debugging method of the device comprises the following steps:
1-1) one end of a coupler 9 is connected and installed on a transmission shaft 5 through a spline, the spline of the other end is sleeved on a tail pipe assembly to be tested, and the tail pipe assembly is fixed on a tail pipe installation support 7 through a hexagon flange face bolt;
1-2) switching on a power supply, starting the frequency converter 2, setting the initial frequency of the frequency converter 2 to be 5Hz, driving the linkage shaft to rotate by the variable frequency motor 6, and driving the synchronous belt 12 sleeved on the first synchronous belt pulley 10 and the second synchronous belt pulley 14 of the tail pipe assembly to be tested to act by the variable frequency motor 6 for 30 seconds, thereby further driving the tail rotor 21 to rotate; if the tail rotor 21 does not rotate abnormally, the next step is carried out;
1-3) adjusting the frequency of the frequency converter 2, increasing the rotating speed of the variable frequency motor 6, and when the frequency of the frequency converter 2 is 40HZ, controlling the rotating speed of the variable frequency motor 6 to be 6300 r/min;
1-4) adjusting according to the offset conditions of two ends of a synchronous belt of a tail pipe assembly to be tested, a first synchronous belt pulley 10 and a second synchronous belt pulley 14, and adjusting the left and right offset of the synchronous belt by adjusting a mounting screw of a transmission case on the tail pipe to be tested;
1-5) detecting the tension of the synchronous belt by adopting a synchronous belt tension tester 17.
The method for testing the service life of the synchronous belt by using the device comprises the following steps:
2-1) one end of a coupler 9 is connected and installed on a transmission shaft 5 through a spline, the spline of the other end is sleeved on a tail pipe assembly to be tested, and the tail pipe assembly is fixed on a tail pipe installation support 7 through a hexagon flange face bolt;
2-2) switching on a power supply, starting the frequency converter 2, setting the initial frequency of the frequency converter 2 to be 5Hz, and driving the linkage shaft to rotate by the variable frequency motor 6 so as to drive a synchronous belt sleeved on a first synchronous belt pulley 10 and a second synchronous belt pulley 14 of the tail pipe assembly to be tested to act and further drive a tail rotor 21 to rotate; if the tail rotor 21 does not rotate abnormally, the next step is carried out;
2-3) adjusting the rotating speed of the variable frequency motor 6 according to the test outline required actually to carry out the test.
Claims (6)
1. The utility model provides a belt drive system debugging device for small-size unmanned aerial vehicle which characterized in that: the device comprises a bracket, a frequency converter, a variable frequency motor, a motor synchronous belt component, a bearing support, a transmission shaft, a tail pipe mounting bracket, a coupler and a synchronous belt tension tester; the tail pipe mounting bracket is two symmetrical and parallel F-shaped tail pipe mounting frames, and mounting holes are formed in the transverse ends of the tail pipe mounting brackets and used for fixing tail pipe components to be tested in the later period; a bearing support is arranged on the cross beam adjacent to the tail pipe mounting bracket, and a transmission shaft is arranged in an upper end shaft hole of the bearing support; a frequency converter mounting frame is arranged on the rightmost cross beam of the support, and the frequency converter is mounted on the frequency converter mounting frame; a variable frequency motor mounting frame is arranged on the three cross beams on the right side of the support, and the variable frequency motor is mounted on the variable frequency motor mounting frame; the output end of the frequency converter is connected with the variable frequency motor to supply power to the variable frequency motor; a motor synchronous belt assembly is arranged on an output shaft of the variable frequency motor, and comprises a driving wheel arranged on the output shaft of the variable frequency motor, a driven wheel arranged on the input end of a transmission shaft and a belt sleeved on the driving wheel and the driven wheel; a steering engine control device is arranged on the bracket, the steering engine control device is formed by combining a handle and a rocker arm through threads, and a bearing is arranged for the steering engine control device to rotate;
the synchronous belt tension tester is directly arranged on the synchronous belt of the tail pipe assembly to be tested when the system tests the tension of the synchronous belt;
one end of the coupler is connected with the output end of the transmission shaft through a spline, and the other end of the coupler is connected with the tail pipe assembly to be tested.
2. The belt drive system adjustment device for a small-sized unmanned aerial vehicle according to claim 1, characterized in that: the tail pipe mounting bracket is longitudinally provided with a plurality of screw holes, so that the tail pipe mounting bracket can move up and down on the bracket, and the height of the tail pipe mounting bracket is changed.
3. The belt drive system adjustment device for a small unmanned aerial vehicle according to claim 1 or 2, characterized in that: the upper part of a belt of the motor synchronous belt component is provided with a synchronous belt protective cover.
4. The belt drive system adjustment device for a small unmanned aerial vehicle according to claim 1 or 2, characterized in that: the device is also provided with a tail rotor protective cover bracket for mounting a tail rotor protective cover.
5. The belt drive system adjustment device for a small unmanned aerial vehicle according to claim 1 or 2, characterized in that: the shaft coupling adopts carbon fiber pipe both ends to install the titanium alloy piece additional to the decentraction problem of adjusting equipment, the both ends of shaft coupling adopt splined connection, make the installation simple and convenient.
6. The belt drive system adjustment device for a small unmanned aerial vehicle according to claim 1 or 2, characterized in that: the device is also provided with a steering engine control device for carrying out tail rotor pitch changing; a steering engine control device mounting bracket is arranged on the cross beam on the opposite side of the tail pipe mounting bracket, and the steering engine control device is mounted on the steering engine control device mounting bracket; the steering engine control device consists of a handle, a rocker arm, a bearing and a long pull rod, wherein rod end bearings are arranged at two ends of the long pull rod; the long pull rod penetrates through the tail pipe component to be tested; one end of the long pull rod is connected with the rocker arm, and the other end of the long pull rod is connected with the variable-pitch sliding cylinder assembly of the tail pipe assembly to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801571.3U CN210258876U (en) | 2019-05-30 | 2019-05-30 | Belt transmission system debugging device for small unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801571.3U CN210258876U (en) | 2019-05-30 | 2019-05-30 | Belt transmission system debugging device for small unmanned aerial vehicle |
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| CN210258876U true CN210258876U (en) | 2020-04-07 |
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| CN201920801571.3U Active CN210258876U (en) | 2019-05-30 | 2019-05-30 | Belt transmission system debugging device for small unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977880A (en) * | 2021-04-14 | 2021-06-18 | 江苏航空职业技术学院 | Special debugging device based on unmanned aerial vehicle and use method thereof |
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2019
- 2019-05-30 CN CN201920801571.3U patent/CN210258876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977880A (en) * | 2021-04-14 | 2021-06-18 | 江苏航空职业技术学院 | Special debugging device based on unmanned aerial vehicle and use method thereof |
| CN112977880B (en) * | 2021-04-14 | 2023-11-28 | 江苏航空职业技术学院 | Special debugging device based on unmanned aerial vehicle and application method thereof |
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