CN112595517A - Unmanned aerial vehicle piston engine test bed frame with clutch and method - Google Patents
Unmanned aerial vehicle piston engine test bed frame with clutch and method Download PDFInfo
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- CN112595517A CN112595517A CN202011258185.8A CN202011258185A CN112595517A CN 112595517 A CN112595517 A CN 112595517A CN 202011258185 A CN202011258185 A CN 202011258185A CN 112595517 A CN112595517 A CN 112595517A
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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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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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
- G01M15/00—Testing of engines
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Abstract
本发明一种具有离合器的无人机活塞发动机试车台架及方法，属于无人机领域；包括架体、发动机安装板、启动电机安装板、启动电机伺服控制柜、启动电机伺服机构；所述架体为两端不等高的桁架结构，用于支撑整个装置；所述启动电机伺服控制柜安装于架体底部，通过电缆及控制手柄远程控制所述启动电机伺服机构；所述启动电机安装板通过启动电机伺服机构水平固定于架体低的一端，用于安装启动电机组件；所述发动机安装板水平固定于架体高的一端，用于安装活塞发动机；本发明简单高效，采用一个试车台架能够完成具有离合器的活塞发动机的两种工作状态的测试。
The invention relates to an unmanned aerial vehicle piston engine test bench and method with a clutch, belonging to the field of unmanned aerial vehicles; comprising a frame body, an engine mounting plate, a starting motor mounting plate, a starting motor servo control cabinet and a starting motor servo mechanism; the The frame body is a truss structure with unequal heights at both ends, which is used to support the entire device; the starter motor servo control cabinet is installed at the bottom of the frame body, and the starter motor servo mechanism is remotely controlled through cables and control handles; the starter motor is installed The plate is horizontally fixed on the lower end of the frame body by the starter motor servo mechanism, and is used for installing the starter motor assembly; the engine mounting plate is horizontally fixed at the high end of the frame body, and is used for installing the piston engine; the present invention is simple and efficient, and adopts a test bench The rack was able to complete the test of two working states of the piston engine with clutch.
Description
Technical Field
The invention belongs to the field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle piston engine test bed frame with a clutch and a method.
Background
The piston engine has the advantages of light weight, small volume, low oil consumption, simple structure, stable performance, convenient operation and maintenance, good economy and the like, and is widely applied to small and medium-sized unmanned aerial vehicles. When the piston engine is tested, the propeller and the engine output shaft rotate synchronously. At present, a plurality of piston engine test bed stands are arranged at home and abroad, the test bed stands are used for installation, starting, oil supply, test and the like of engines, the test run test requirements of general piston engines can be met, when the test run test bed is started, an output shaft of a starting motor is directly connected with a propeller rear end tool (the rear end is defined as one end far away from the engine) in series, and the starting motor rotates the propeller to start and operate the engines due to the fact that the propeller is fixedly connected with the output shaft of. The piston engine with the clutch, the propeller is connected with the engine output shaft through the clutch, the motion of the propeller and the engine output shaft is not completely consistent, and the piston engine has two dynamic working modes during test run: firstly, the engine is started to operate, and the propeller does not rotate; and secondly, the engine and the propeller rotate synchronously.
According to the traditional piston engine, an output shaft of a starting motor is coaxial with an engine output shaft, a shifting fork of the starting motor output shaft is connected with a tool at the rear end of a propeller in series to start the engine, the starting motor is manually moved away after starting, or the shifting fork of the starting motor output shaft automatically contracts to realize micro displacement and propeller separation. When the piston engine with the clutch is started in a trial run mode, the series starting motor cannot start the engine because the propeller is not fixedly connected with the output shaft of the engine.
In the prior art, the piston engine test bench can meet the installation requirement of a piston engine with a clutch, but can not meet the starting requirement of the engine and can not give consideration to two dynamic test run modes. Due to the fact that the working mode of the piston engine with the clutch is changed, the test bench for testing the general piston engine cannot meet the test requirement.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides the piston engine test bed frame with the clutch for the unmanned aerial vehicle and the method, the piston engine with the clutch can be applied to box type launching of the unmanned aerial vehicle, the test bed frame with the clutch meets the test requirements of the piston engine with the clutch, and meanwhile, the automation level of the test bed frame is improved.
The technical scheme of the invention is as follows: the utility model provides an unmanned aerial vehicle piston engine rack of taking a trial run with clutch which characterized in that: the starting device comprises a frame body, an engine mounting plate, a starting motor servo control cabinet and a starting motor servo mechanism; the frame body is of a truss structure with two unequal ends and is used for supporting the whole device; the starting motor servo control cabinet is arranged at the bottom of the frame body, and the starting motor servo mechanism is remotely controlled through a cable and a control handle;
the starting motor mounting plate is horizontally fixed at one lower end of the frame body through a starting motor servo mechanism and is used for mounting a starting motor assembly; the starting motor servo mechanism comprises a servo rack, a motor, a screw rod assembly, a guide rail, a sliding block, a connecting bracket and a position sensor; the servo rack is horizontally fixed on the rack body and used for supporting the whole mechanism; two guide rails arranged in parallel are fixed on the servo rack, and the motor is arranged at the outer end of the rack body through a motor support; the screw rod assembly is horizontally arranged between the two guide rails through a support frame and is connected with an output shaft of the motor; the starting motor mounting plate is connected with the lead screw through a connecting bracket, and two ends of the starting motor mounting plate are connected with the track through sliding blocks; the motor drives the screw rod assembly to convert the rotary motion into the linear motion of the starting motor mounting plate along the guide rail, so that the axial motion of the starting motor assembly is realized; the position sensor is arranged on the servo rack and provides signals for the starting motor mounting plate to move forwards and backwards in place;
the engine mounting plate is horizontally fixed at one end of the frame body, and is used for mounting a piston engine; during installation, the output shaft of the piston engine is parallel and opposite to the output shaft of the starting motor assembly, and the propeller assembly installed on the piston engine faces the starting motor assembly.
The further technical scheme of the invention is as follows: the frame body is provided with a plurality of fuel oil inlets, and the frame body is provided with a plurality of fuel oil inlets; the lubricating oil system is arranged on the engine mounting plate and used for providing lubricating oil for the piston engine; the sensor and the control acquisition system are used for acquiring the information state and parameters of the engine.
The further technical scheme of the invention is as follows: the quantity of slider is 4, and the symmetry is fixed in the both ends of starter motor mounting panel bottom surface.
The further technical scheme of the invention is as follows: the motor of the starting motor servo mechanism is a brushless motor.
The further technical scheme of the invention is as follows: the material of the frame body comprises a steel section.
An experimental method for a piston engine test bed of an unmanned aerial vehicle with a clutch is characterized by comprising the following specific steps:
the method comprises the following steps: respectively installing a piston engine and a starting motor assembly on an engine installation plate and a starting motor installation plate, installing a propeller assembly on the piston engine through a clutch, and connecting all systems;
step two: starting the motor assembly, moving to one end of the piston engine through a starting servo mechanism, moving to the lower side of the propeller assembly and then locking; the output shaft of the starting motor assembly and the output shaft of the piston engine are arranged in parallel, so that the output shaft of the starting motor assembly is parallel to the output shaft of the piston engine, and is connected and started through gear transmission; the engine is started through remote control, and after the piston engine is started, the propeller does not rotate, so that one working state of the piston engine can be tested;
step three: starting the motor assembly, moving to one end far away from the piston engine through a starting servo mechanism, separating from the piston engine and avoiding the rotating plane of the propeller; the clutch of the piston engine is then activated and the propeller is rotated, at which time the second operating state of the piston engine can be tested.
Advantageous effects
The invention has the beneficial effects that:
the piston engine test bed frame with the clutch has the advantages that:
1. the test bed is simple and efficient, and can complete the test of two working states of the piston engine with the clutch by adopting one test run rack.
2. Remote control, the security is high, and the equal remote control of the start of advancing, retreating and the engine of starter motor has greatly reduced operating personnel's personal risk.
3. The economy is good, and the rack spare part all adopts ripe product, and the cost is lower.
Drawings
FIG. 1 is a schematic diagram of the present invention in use;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is an elevational view of the starter motor motion servo of the present invention;
description of reference numerals: the system comprises a piston engine test-run rack with a clutch, a piston engine, a propeller assembly, a starter assembly, a fuel oil system, a lubricating oil system, a sensor and control acquisition system, a frame body 11, an engine mounting plate 12, a starter motor mounting plate 13, a starter servo control cabinet 14, a starter servo mechanism 15, a servo rack 21, a motor 22, a screw assembly 23, a guide rail 24, a sliding block 25, a connecting support 26 and a position sensor 27.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
The invention relates to a piston engine test bed frame with a clutch for an unmanned aerial vehicle, which is shown in the figures 1 to 3. A piston engine test run bench 1 with a clutch comprises a rack body 11, an engine mounting plate 12, a starter mounting plate 13, a starter servo control cabinet 14 and a starter servo mechanism 15. The starter servo mechanism 15 is composed of a servo rack 21, a motor 22, a lead screw assembly 23, a guide rail 24, a slide block 25, a connecting bracket 26, a position sensor 27 and the like. The frame body 11 is used for mounting and integrating all components, and the frame body 11 is connected with the engine mounting plate 12, the starter servo control cabinet 14, the starter servo mechanism 15 and the like through bolts. The engine mounting plate 12 has a mounting hole site of the piston engine. The starter mounting plate 13 is fixed to the 4 sliders 25 by bolts.
Referring to fig. 4, the servo stage 21 is fixed to the frame body 11 by bolts, and the motor 22, the screw assembly 23, and the guide rail 24 are fixed to the servo stage 21 by bolts. The motor 22 is connected to a lead screw assembly 23. The connecting bracket 26 connects the screw assembly 23 to the starter mounting plate 13 by means of a bolt so that the starter mounting plate 13 can be moved and locked. The slider 25 can move back and forth along the guide rail 24. The position sensors are fixed on the servo stage 21, and the guide rails 24 are arranged one at each of the front and rear ends.
Referring to fig. 1, a propeller assembly 3 is mounted on a piston engine 2. The piston engine 2, the starter assembly 4, the fuel system 5, the lubricating oil system 6, the sensor and control acquisition system 7 and the like are arranged on the test bed frame 1, and the test run and the ground test of the piston engine can be carried out. When the piston engine 2 with the clutch is tested, the starter assembly 4 moves forwards and is locked through the starter servo mechanism 15, the engine is started through remote control, and after the engine is started, the propeller assembly 3 does not rotate, so that one working state of the engine can be tested. Starter subassembly 4 passes through starter servo 15 backward quick movement, breaks away from with the engine, avoids propeller unit 3 rotation plane, and piston engine clutch work, propeller unit 3 rotates, can test engine second kind operating condition this moment.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (6)
1. The utility model provides an unmanned aerial vehicle piston engine rack of taking a trial run with clutch which characterized in that: the starting device comprises a frame body, an engine mounting plate, a starting motor servo control cabinet and a starting motor servo mechanism; the frame body is of a truss structure with two unequal ends and is used for supporting the whole device; the starting motor servo control cabinet is arranged at the bottom of the frame body, and the starting motor servo mechanism is remotely controlled through a cable and a control handle;
the starting motor mounting plate is horizontally fixed at one lower end of the frame body through a starting motor servo mechanism and is used for mounting a starting motor assembly; the starting motor servo mechanism comprises a servo rack, a motor, a screw rod assembly, a guide rail, a sliding block, a connecting bracket and a position sensor; the servo rack is horizontally fixed on the rack body and used for supporting the whole mechanism; two guide rails arranged in parallel are fixed on the servo rack, and the motor is arranged at the outer end of the rack body through a motor support; the screw rod assembly is horizontally arranged between the two guide rails through a support frame and is connected with an output shaft of the motor; the starting motor mounting plate is connected with the lead screw through a connecting bracket, and two ends of the starting motor mounting plate are connected with the track through sliding blocks; the motor drives the screw rod assembly to convert the rotary motion into the linear motion of the starting motor mounting plate along the guide rail, so that the axial motion of the starting motor assembly is realized; the position sensor is arranged on the servo rack and provides signals for the starting motor mounting plate to move forwards and backwards in place;
the engine mounting plate is horizontally fixed at one end of the frame body, and is used for mounting a piston engine; during installation, the output shaft of the piston engine is parallel and opposite to the output shaft of the starting motor assembly, and the propeller assembly installed on the piston engine faces the starting motor assembly.
2. The piston engine test run stand with clutch of unmanned aerial vehicle of claim 1, wherein: the frame body is provided with a plurality of fuel oil inlets, and the frame body is provided with a plurality of fuel oil inlets; the lubricating oil system is arranged on the engine mounting plate and used for providing lubricating oil for the piston engine; the sensor and the control acquisition system are used for acquiring the information state and parameters of the engine.
3. The piston engine test run stand with clutch of unmanned aerial vehicle of claim 1, wherein: the quantity of slider is 4, and the symmetry is fixed in the both ends of starter motor mounting panel bottom surface.
4. The piston engine test run stand with clutch of unmanned aerial vehicle of claim 1, wherein: the motor of the starting motor servo mechanism is a brushless motor.
5. The piston engine test run stand with clutch of unmanned aerial vehicle of claim 1, wherein: the material of the frame body comprises a steel section.
6. An experimental method for a piston engine test bed of an unmanned aerial vehicle with a clutch is characterized by comprising the following specific steps:
the method comprises the following steps: respectively installing a piston engine and a starting motor assembly on an engine installation plate and a starting motor installation plate, installing a propeller assembly on the piston engine through a clutch, and connecting all systems;
step two: starting the motor assembly, moving to one end of the piston engine through a starting servo mechanism, moving to the lower side of the propeller assembly and then locking; the output shaft of the starting motor assembly and the output shaft of the piston engine are arranged in parallel, so that the output shaft of the starting motor assembly is parallel to the output shaft of the piston engine, and is connected and started through gear transmission; the engine is started through remote control, and after the piston engine is started, the propeller does not rotate, so that one working state of the piston engine can be tested;
step three: starting the motor assembly, moving to one end far away from the piston engine through a starting servo mechanism, separating from the piston engine and avoiding the rotating plane of the propeller; the clutch of the piston engine is then activated and the propeller is rotated, at which time the second operating state of the piston engine can be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258185.8A CN112595517A (en) | 2020-11-12 | 2020-11-12 | Unmanned aerial vehicle piston engine test bed frame with clutch and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258185.8A CN112595517A (en) | 2020-11-12 | 2020-11-12 | Unmanned aerial vehicle piston engine test bed frame with clutch and method |
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| CN112595517A true CN112595517A (en) | 2021-04-02 |
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| CN202011258185.8A Pending CN112595517A (en) | 2020-11-12 | 2020-11-12 | Unmanned aerial vehicle piston engine test bed frame with clutch and method |
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2020
- 2020-11-12 CN CN202011258185.8A patent/CN112595517A/en active Pending
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Application publication date: 20210402 |