CN113640604A - Comprehensive test device for electric steering engine - Google Patents
Comprehensive test device for electric steering engine Download PDFInfo
- Publication number
- CN113640604A CN113640604A CN202110925108.1A CN202110925108A CN113640604A CN 113640604 A CN113640604 A CN 113640604A CN 202110925108 A CN202110925108 A CN 202110925108A CN 113640604 A CN113640604 A CN 113640604A
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- spring
- electric steering
- connecting rod
- mounting seat
- steering engine
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- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
According to the comprehensive test device for the electric steering engine, the spring connecting seat is fixed on the inertia assembly, and the extension spring set is arranged between the spring support and the spring connecting seat as required. And the rocker arm is connected to the inertia assembly through the connecting rod, and the rocker arm, the connecting rod and the connecting rod connecting seat form a parallel four-connecting-rod structure, so that the force output by the motion of the electric steering engine can be effectively transmitted. The tool is simple in structure and convenient to operate. The device can realize the superposition conversion of different inertias and loads, integrates the load test and the inertia test into a whole, and simulates the actual working condition more truly.
Description
Technical Field
The invention belongs to the technical field of electric steering engines, and particularly relates to a comprehensive test device for an electric steering engine.
Background
The electric steering engine is used as an actuating mechanism for controlling the flight attitude of the aircraft, and the electric steering engine is controlled to drive the deflection of the control surface, so that the flight attitude is adjusted, and the electric steering engine plays a very critical role in the flight process. Therefore, the test of the electric steering engine needs to truly simulate the working condition in the actual use environment, and the consideration factors need to be comprehensive as much as possible.
At present, the rotary output type electric steering engine is mostly tested by adopting modes of an output shaft with a torsion bar, a torsion spring and the like, although various performance indexes of the electric steering engine can be directly tested by adopting the mode, inertia factors formed in the movement process due to factors such as the volume and the weight of a control surface driven by the electric steering engine are not considered, if the weight of the control surface is larger or the volume is not uniform, the phenomena such as shaking of the electric steering engine can be caused, and the adverse influence on the flight is generated.
In addition, some steering engines still bear bending moments of different sizes in the flight process, and the bending moments cannot be loaded for examination simultaneously in the test process.
Therefore, how to provide an electric steering engine comprehensive test device integrating basic function test, inertia matching test and bending moment test is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a comprehensive test device for an electric steering engine, which integrates load test and inertia test and more truly simulates the actual working condition.
In order to solve the technical problem, the invention provides a comprehensive test device for an electric steering engine, which comprises a load bearing platform and an inertia assembly, wherein the load bearing platform comprises a bearing plate and a bearing plate;
the load bearing platform is used for mounting an electric steering engine and the inertia assembly;
the inertia assembly comprises a mounting base, an inertia weight, a central shaft, a connecting rod mounting seat, a spring mounting seat, an extension spring group and a spring support;
the connecting rod mounting seat and the spring mounting seat are respectively fixed on the inertia weights;
the spring support is arranged on the mounting base and is connected with the spring mounting base through the extension spring group;
one end of the connecting rod is hinged to the connecting rod mounting seat, and the other end of the connecting rod is connected with an output shaft of the electric steering engine through a rocker arm.
Optionally, the electric steering engine further comprises a pulley assembly, a rope and a heavy object, wherein the pulley assembly is arranged on the mounting base, one end of the rope is used for being connected with an output shaft and a middle section of the electric steering engine to penetrate through the pulley assembly, and the other end of the rope is connected with the heavy object.
Optionally, the inertia weights are stacked.
Optionally, the inertia weight is disposed on the central shaft through a bearing.
Optionally, the connecting rod mounting seat and/or the spring mounting seat are both connecting plates, and the connecting plates are provided with a plurality of connecting holes along the length direction;
the other end of the connecting rod is connected to the connecting hole of the connecting rod mounting seat;
the extension spring set is connected to the connecting hole of the spring mounting seat.
Optionally, the connecting rod mounting seat and/or the spring mounting seat are connected to the central shaft, and a locking nut for fixing the connecting rod mounting seat and/or the spring mounting seat is arranged on the central shaft.
Optionally, the link mount and the spring mount are collinear.
Optionally, the two spring mounting seats are arranged at two limit ends of the swing angle.
Optionally, the tension spring group is provided with a tension sensor for monitoring the tension of the spring.
Optionally, a nut is arranged on the spring mounting seat, and one end of the extension spring group is wound between two nuts of the spring mounting seat.
According to the comprehensive test device for the electric steering engine, the spring connecting seat is fixed on the inertia assembly, and the extension spring set is arranged between the spring support and the spring connecting seat as required. And the rocker arm is connected to the inertia assembly through the connecting rod, and the rocker arm, the connecting rod and the connecting rod connecting seat form a parallel four-connecting-rod structure, so that the force output by the motion of the electric steering engine can be effectively transmitted. The tool is simple in structure and convenient to operate. The device can realize the superposition conversion of different inertias and loads, integrates the load test and the inertia test into a whole, and simulates the actual working condition more truly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric steering engine comprehensive test device provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an inertia assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bending moment assembly according to an embodiment of the present invention.
In the upper diagram:
1-an electric steering engine; 101-a rocker arm; 102-a steering engine mounting seat; 2-a loading platform; 301-mounting a base; 302-inertia weight; 303-center axis; 304-a connecting rod; 305-link mount; 306-spring mount; 307-extension spring set; 308-a spring support; 309-pin shaft; 310-a nut; 311-a lock nut; 312-a bearing; 401-a sheave assembly; 402-a rope; 403-weight.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is more than two, if there are first and second described for the purpose of distinguishing technical features, but not for indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The core of the invention is to provide a comprehensive test device for the electric steering engine, which integrates load test and inertia test and more truly simulates the actual working condition.
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to fig. 3, the invention provides a comprehensive test device for an electric steering engine, which comprises a load bearing platform 2 and an inertia assembly.
The load bearing platform 2 is used for installing the electric steering engine 1 and the inertia assembly.
The inertia assembly includes a mounting base 301, an inertia weight 302, a center shaft 303, a linkage 304, a linkage mount 305, a spring mount 306, an extension spring set 307, and a spring support 308.
The central shaft 303 is disposed on the mounting base 301, the inertia weight 302 is rotatably sleeved on the central shaft 303, and the connecting rod mounting seat 305 and the spring mounting seat 306 are respectively fixed to the inertia weight 302.
The spring support 308 is disposed on the mounting base 301, and the spring support 308 is connected to the spring mounting base 306 through the tension spring group 307.
One end of the connecting rod 304 is hinged to the connecting rod mounting seat 305, and the other end is used for being connected with an output shaft of the electric steering engine 1 through the rocker arm 101. Specifically, the electric steering engine 1 is fixed to the steering engine mounting seat 102 by means of screw fixation.
According to the comprehensive test device for the electric steering engine, the spring connecting seat 305 is fixed on the inertia assembly, and the extension spring group 307 is arranged between the spring support 308 and the spring connecting seat 305 as required. The rocker arm 101 is mounted on the output shaft of the electric steering engine 1, the rocker arm 101 is connected to the inertia assembly through the connecting rod 304, and the rocker arm 101, the connecting rod 304 and the connecting rod connecting seat 305 form a parallel four-bar structure, so that the force output by the movement of the electric steering engine 1 can be effectively transmitted. The tool is simple in structure and convenient to operate. The device can realize the superposition conversion of different inertias and loads, integrates the load test and the inertia test into a whole, and simulates the actual working condition more truly.
In a specific embodiment, the comprehensive test device of the electric steering engine further comprises a pulley assembly 401, a rope 402 and a weight 403, wherein the pulley assembly 401 is arranged on the mounting base 301, one end of the rope 402 is used for connecting an output shaft of the electric steering engine 1, the middle section of the rope passes through the pulley assembly 401, and the other end of the rope is connected with the weight 403. The rocker arm 101 and the output shaft are regarded as a rocker arm tool, and the rocker arm tool can be in a split form or an integrally formed structure.
When the electric steering engine 1 has a requirement on bending moment, a rocker arm tool shown in fig. 3 can be designed, and the bending moment is applied to an output shaft of the rocker arm in a pulley and weight mode. Through different combinations, the elastic load, the inertial load and the bending moment can be configured. The three loads can be loaded singly, can be combined in pairs, and can also be loaded simultaneously.
For different load requirements, a tension spring group 307 with corresponding specifications is configured in advance according to the load size required, the tension spring group 307 is driven by the swinging of the steering engine rocker arm tool to stretch, different deformation amounts correspond to different elastic loading amounts, and standard spring logarithm or independently designed springs can be configured according to the requirements.
Specifically, the inertia weight 302 is a plurality of stacked weights. The inertial assembly may be comprised of inertial weights of different masses.
The inertia weight 302 is disposed on the center axis 303 through a bearing 312.
In a specific embodiment, the connecting rod mount 305 and/or the spring mount 306 are each a connecting plate, and the connecting plate is provided with a plurality of connecting holes along the length direction.
The other end of the connecting rod 304 is connected to the connecting hole of the connecting rod mounting seat 305, and the other end of the connecting rod 304 can be arranged in the connecting hole of the connecting rod mounting seat 305 through a pin 309 to realize hinging.
The extension spring assembly 307 is attached to the attachment hole of the spring mount 306.
It should be noted that, for different inertia requirements, the rotation radius r of the moment of inertia is determined by selecting a connecting hole on the connecting rod connecting seat 305, the mass m in the moment of inertia is determined by stacking different inertial weights, and the moment of inertia of the load, i.e., J ═ r can be obtained by the mass m and the rotation radius r2dm。
Further, the link mounting seat 305 and/or the spring mounting seat 306 are connected to the central shaft 303, wherein a through hole for sleeving the central shaft 303 may be disposed on the link mounting seat 305 and/or the spring mounting seat 306. A locking nut 311 for fixing the connecting rod mounting seat 305 and/or the spring mounting seat 306 is arranged on the central shaft 303, the connecting rod mounting seat 305 and/or the spring mounting seat 306 are arranged on the locking nut 311 and the upper end surface of the bearing, and the locking nut 311 is screwed to limit the position of the mounting seat.
Specifically, the spring mounting seats 306 are two arranged at two extreme ends of the swing angle, and the tension spring sets 307 are two sets. Inertia subassembly, two spring mount pads 306 are installed in installation base 301 relevant position, and steering wheel mount pad and installation base 301 are fixed in on the load platform 2.
To monitor the spring tension, the tension spring pack 307 is provided with a tension sensor. An extension spring group 307 is arranged between the spring support 308 and the spring mounting seat 306 according to needs, and the extension spring group 307 needs to be calibrated periodically, so that the tension can be fed back by a tension sensor in real time.
To facilitate the installation and positioning, a nut 310 is disposed on the spring mounting base 306, and one end of the tension spring assembly 307 is wound between the two nuts 310 of the spring mounting base 306.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A comprehensive test device for an electric steering engine is characterized by comprising a load bearing platform (2) and an inertia component;
the load bearing platform (2) is used for mounting the electric steering engine (1) and the inertia component;
the inertia assembly comprises a mounting base (301), an inertia weight (302), a central shaft (303), a connecting rod (304), a connecting rod mounting base (305), a spring mounting base (306), an extension spring group (307) and a spring support (308);
the central shaft (303) is arranged on the mounting base (301), the inertia weight (302) is rotatably sleeved on the central shaft (303), and the connecting rod mounting seat (305) and the spring mounting seat (306) are respectively fixed on the inertia weight (302);
the spring support (308) is arranged on the mounting base (301), and the spring support (308) is connected with the spring mounting base (306) through the extension spring group (307);
one end of the connecting rod (304) is hinged to the connecting rod mounting seat (305), and the other end of the connecting rod (304) is connected with an output shaft of the electric steering engine (1) through a rocker arm (101).
2. The comprehensive test device of the electric steering engine according to claim 1, further comprising a pulley assembly (401), a rope (402) and a weight (403), wherein the pulley assembly (401) is arranged on the mounting base (301), one end of the rope (402) is used for connecting an output shaft of the electric steering engine (1), the middle section of the rope penetrates through the pulley assembly (401), and the other end of the rope is connected with the weight (403).
3. The comprehensive test device for the electric steering engines according to claim 1, wherein the inertia weights (302) are stacked.
4. The comprehensive test device for the electric steering engines according to claim 1, wherein the inertia weight (302) is arranged on the central shaft (303) through a bearing (312).
5. The comprehensive test device of the electric steering engine according to claim 1, wherein the connecting rod mounting seat (305) and/or the spring mounting seat (306) are connecting plates, and a plurality of connecting holes are formed in the connecting plates along the length direction;
the other end of the connecting rod (304) is connected to a connecting hole of the connecting rod mounting seat (305);
the extension spring group (307) is connected to a connecting hole of the spring mounting seat (306).
6. The comprehensive test device of the electric steering engine according to claim 5, wherein the connecting rod mounting seat (305) and/or the spring mounting seat (306) are connected with the central shaft (303), and a locking nut (311) used for fixing the connecting rod mounting seat (305) and/or the spring mounting seat (306) is arranged on the central shaft (303).
7. The comprehensive test device for electric steering engines according to claim 6, wherein the connecting rod mounting base (305) and the spring mounting base (306) are collinear.
8. The comprehensive test device for the electric steering engines according to claim 1, wherein the number of the spring mounting seats (306) is two at the two extreme ends of the swing angle.
9. The comprehensive test device for the electric steering engines according to claim 1, characterized in that the tension spring set (307) is provided with a tension sensor for monitoring the tension of the spring.
10. The comprehensive test device for the electric steering engine according to claim 1, wherein a nut (310) is arranged on the spring mounting seat (306), and one end of the extension spring set (307) is wound between the two nuts (310) of the spring mounting seat (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925108.1A CN113640604A (en) | 2021-08-12 | 2021-08-12 | Comprehensive test device for electric steering engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925108.1A CN113640604A (en) | 2021-08-12 | 2021-08-12 | Comprehensive test device for electric steering engine |
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| Publication Number | Publication Date |
|---|---|
| CN113640604A true CN113640604A (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110925108.1A Pending CN113640604A (en) | 2021-08-12 | 2021-08-12 | Comprehensive test device for electric steering engine |
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| CN (1) | CN113640604A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990039695A (en) * | 1997-11-13 | 1999-06-05 | 이종훈 | Simulation of inertial load by resistance-capacitor combination |
| WO2012163253A1 (en) * | 2011-05-27 | 2012-12-06 | 北京配天大富精密机械有限公司 | Load simulation test device, test method, control apparatus and moment of inertia adjustment device |
| CN205066985U (en) * | 2015-10-19 | 2016-03-02 | 中国航天空气动力技术研究院 | Steering wheel loading device |
| CN108454882A (en) * | 2018-04-08 | 2018-08-28 | 中国空气动力研究与发展中心计算空气动力研究所 | A kind of driving of rudder face and rudder face angle measuring mechanism |
| CN208223726U (en) * | 2018-05-23 | 2018-12-11 | 广东伊莱斯电机有限公司 | A kind of band inertia disc test device of servo motor |
| CN109752173A (en) * | 2019-01-24 | 2019-05-14 | 北京瑞极通达科技有限公司 | A kind of adjustable Loading for actuator device of linear torque |
| CN110132589A (en) * | 2019-06-14 | 2019-08-16 | 哈工大机器人（合肥）国际创新研究院 | A kind of testing stand in moment of flexure adjustable test speed reducer service life |
| CN110288898A (en) * | 2019-07-02 | 2019-09-27 | 陕西巍晟机电设备有限公司 | A kind of rotation class mech-electric experiment device that system parameter is variable |
| CN112362370A (en) * | 2020-10-19 | 2021-02-12 | 中国运载火箭技术研究院 | Simple steering engine load testing device |
| CN213181935U (en) * | 2020-10-19 | 2021-05-11 | 深圳市元创新能源汽车技术服务有限公司 | Load-adjustable assembly for motor test |
-
2021
- 2021-08-12 CN CN202110925108.1A patent/CN113640604A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990039695A (en) * | 1997-11-13 | 1999-06-05 | 이종훈 | Simulation of inertial load by resistance-capacitor combination |
| WO2012163253A1 (en) * | 2011-05-27 | 2012-12-06 | 北京配天大富精密机械有限公司 | Load simulation test device, test method, control apparatus and moment of inertia adjustment device |
| CN205066985U (en) * | 2015-10-19 | 2016-03-02 | 中国航天空气动力技术研究院 | Steering wheel loading device |
| CN108454882A (en) * | 2018-04-08 | 2018-08-28 | 中国空气动力研究与发展中心计算空气动力研究所 | A kind of driving of rudder face and rudder face angle measuring mechanism |
| CN208223726U (en) * | 2018-05-23 | 2018-12-11 | 广东伊莱斯电机有限公司 | A kind of band inertia disc test device of servo motor |
| CN109752173A (en) * | 2019-01-24 | 2019-05-14 | 北京瑞极通达科技有限公司 | A kind of adjustable Loading for actuator device of linear torque |
| CN110132589A (en) * | 2019-06-14 | 2019-08-16 | 哈工大机器人（合肥）国际创新研究院 | A kind of testing stand in moment of flexure adjustable test speed reducer service life |
| CN110288898A (en) * | 2019-07-02 | 2019-09-27 | 陕西巍晟机电设备有限公司 | A kind of rotation class mech-electric experiment device that system parameter is variable |
| CN112362370A (en) * | 2020-10-19 | 2021-02-12 | 中国运载火箭技术研究院 | Simple steering engine load testing device |
| CN213181935U (en) * | 2020-10-19 | 2021-05-11 | 深圳市元创新能源汽车技术服务有限公司 | Load-adjustable assembly for motor test |
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