CN109375638B - Attitude control test device and using method thereof - Google Patents
Attitude control test device and using method thereof Download PDFInfo
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- CN109375638B CN109375638B CN201811406331.XA CN201811406331A CN109375638B CN 109375638 B CN109375638 B CN 109375638B CN 201811406331 A CN201811406331 A CN 201811406331A CN 109375638 B CN109375638 B CN 109375638B
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- guide rail
- base
- support guide
- fixing bolt
- attitude control
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides an attitude control test device and a using method thereof, wherein the attitude control test device comprises a base, an electric cylinder, a controller, an upper support guide rail, a lower support guide rail, a base and a support plate; the electric cylinder and the controller are arranged in a cavity on the side surface of the base, and the electric cylinder penetrates through the side wall of the base to be connected with the upper support guide rail; the upper support guide rail, the lower support guide rail, the base and the support plate are all arranged in the base; a limiting mechanism is arranged in the base; the limiting mechanism is positioned above the base and the supporting plate. The invention can adapt to different test objects and high and low temperature working environments; the electric cylinder has a locking function and can reliably bear impact load. The control method has the characteristics of high control precision, reliable work and low failure rate.
Description
Technical Field
The invention belongs to the technical field of attitude control test devices and application methods thereof, and particularly relates to an attitude control test device and an application method thereof.
Background
The development trend of spacecraft is more and more, especially for accessories like solar cell wings, and the structural weight is required to be as small as possible. In this case, the flexibility problem becomes prominent. The liquid fuel inside the spacecraft is increasing, so that the attitude control must consider the problem of non-rigid bodies. Giant spacecraft such as space stations need to consider the problem of distributed parameter control. Some special parts, such as large antenna reflecting surfaces, optical reflecting surfaces, etc. on spacecraft, require control of not only their attitude but also their shape. The spacecraft attitude control system has high precision and long service life, can strain and adjust the control system structure, can identify faults and realize comprehensive control, and is an important subject for further development of the spacecraft attitude control system.
A large test object needs to be tilted from a vertical position to a certain angle in order to test its performance parameters. Because the size and the weight of the device are large, and the requirement on the precision of the inclination angle is high, a posture control device needs to be designed to realize the posture adjustment function of the device.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an attitude control test device and a using method thereof.
The invention is realized by the following technical scheme.
An attitude control test device comprises a base, an electric cylinder, a controller, an upper support guide rail, a lower support guide rail, a base and a support plate; the electric cylinder and the controller are arranged in a cavity on the side surface of the base, and the electric cylinder penetrates through the side wall of the base to be connected with the upper support guide rail; the upper support guide rail, the lower support guide rail, the base and the support plate are all arranged in the base; the electric cylinder, the controller and the upper support guide rail are positioned above the lower support guide rail, the base and the support plate; the lower support guide rail is positioned between the upper support guide rail and the base; the base and the supporting plate are positioned below the lower supporting guide rail; a limiting mechanism is arranged in the base; the limiting mechanism is positioned above the base and the supporting plate.
As a further technical improvement, the upper support guide rail and the lower support guide rail are connected through the upper side rotating seat.
As a further technical improvement, the lower support guide rail is connected with the base through the lower side rotating seat.
As a further technical improvement, the limiting mechanism comprises a limiting frame A and a limiting frame B.
As a further technical improvement, the limiting frame A is positioned above the limiting frame B; one end of the limiting frame A is installed on the inner wall of the base, and the other end of the limiting frame A is connected with the upper supporting guide rail; one end of the limiting frame B is arranged on the inner wall of the base, and the other end of the limiting frame B is connected with the lower supporting guide rail.
As a further technical improvement, an upper fixing bolt is arranged between the upper support guide rail and the lower support guide rail.
As a further technical improvement, a lower fixing bolt is arranged between the lower support guide rail and the base.
As a further technical improvement, after the upper support guide rail and the lower support guide rail are fixed by the upper fixing bolt, the integral inclination is 80-90 degrees.
As a further technical improvement, the inclination angle of the upper support guide rail is 70-90 degrees.
As a further technical improvement, the use method of the attitude control test device comprises the following steps:
firstly, fixing and screwing an upper fixing bolt, connecting an upper support guide rail and a lower support guide rail into a whole, and then rotating around a lower side rotating seat to enable the upper support guide rail, the lower support guide rail and a support plate to carry out and reliably bear test load;
and step two, loosening the upper fixing bolt, adjusting the inclination angle of the upper supporting guide rail as required, fixing the lower supporting guide rail on the base through the lower fixing bolt to keep the vertical angle unchanged, and rotating the upper supporting guide rail around the upper rotating seat to enable the limiting device to reliably bear the vibration load in the transverse direction in the test process.
The invention has the beneficial effects that:
the invention can adapt to different test objects and high and low temperature working environments; the electric cylinder has a locking function and can reliably bear impact load. The control method has the characteristics of high control precision, reliable work and low failure rate.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
In the figure: 1-electric cylinder, 2-controller, 3-upper supporting guide rail, 4-limiting frame A, 5-upper side rotating seat, 6-lower supporting guide rail, 7-lower side rotating seat, 8-base, 9-supporting plate, 10-base and 11-limiting frame B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-2, an attitude control test device comprises a base 10, an electric cylinder 1, a controller 2, an upper support guide rail 3, a lower support guide rail 6, a base 8 and a support plate 9; the electric cylinder 1 and the controller 2 are arranged in a cavity on the side surface of the base 10, and the electric cylinder 1 penetrates through the side wall of the base 10 to be connected with the upper support guide rail 3; the upper support guide rail 3, the lower support guide rail 6, the base 8 and the support plate 9 are all arranged inside the base 10; the electric cylinder 1, the controller 2 and the upper support guide rail 3 are positioned above the lower support guide rail 6, the base 8 and the support plate 9; the lower support guide rail 6 is positioned between the upper support guide rail 3 and the base 8; the base 8 and the supporting plate 9 are positioned below the lower supporting guide rail 6; a limiting mechanism is arranged in the base 10; the limiting mechanism is positioned above the base 8 and the supporting plate 9. The controller 2 adopts an electric system to control the electric cylinder 1 to work.
The upper support guide rail 3 and the lower support guide rail 6 are connected through an upper side rotary seat 5. The upper rotary base 5 functions to allow the upper support rail 3 to rotate on top of the lower support rail 6.
The lower support guide rail 6 is connected with the base 8 through a lower side rotating seat 7. The lower rotary base 7 is used for allowing the lower support guide rail 6 to rotate on the base 8.
The limiting mechanism comprises a limiting frame A4 and a limiting frame B11. Both the limiting frame A4 and the limiting frame B11 have a telescopic function and a fixing function, and stability during limiting is guaranteed.
The spacing frame A4 is positioned above the spacing frame B11; one end of the limiting frame A4 is installed on the inner wall of the base 10, and the other end is connected with the upper supporting guide rail 3; one end of the limiting frame B11 is installed on the inner wall of the base 10, and the other end is connected with the lower support guide rail 6. The limiting frame A4 acts on the limiting function of the upper supporting guide rail 3; the limiting frame B11 acts on the limiting function of the lower supporting guide rail 6.
And an upper fixing bolt is arranged between the upper support guide rail 3 and the lower support guide rail 6. The upper fixing bolt serves to fix the upper support rail 3 and the lower support rail 6 separately and integrally, and may connect the upper support rail 3 and the lower support rail 6 as a single body or separate from each other.
And a lower fixing bolt is arranged between the lower support guide rail 6 and the base 8. The lower fixing bolt is used for fixing and separating the connection of the lower support guide rail 6 and the base 8.
After the upper support guide rail 3 and the lower support guide rail 6 are fixed by the upper fixing bolts, the integral inclination is 80-90 degrees.
The inclination angle of the upper supporting guide rail 3 is 70-90 degrees.
The using method of the attitude control test device comprises the following steps:
firstly, an upper fixing bolt is fixed and screwed down, an upper support guide rail 3 and a lower support guide rail 6 are connected into a whole, and then the upper fixing bolt rotates around a lower side rotating seat 7, so that the upper support guide rail 6, the lower support guide rail 6 and a support plate 9 can carry out and reliably bear test load;
and step two, loosening the upper fixing bolt, adjusting the inclination angle of the upper supporting guide rail 3 as required, fixing the lower supporting guide rail 6 on the base 8 through the lower fixing bolt to keep the vertical angle unchanged, and rotating the upper supporting guide rail 3 around the upper rotating seat 5, so that the limiting device can reliably bear the vibration load in the transverse direction in the test process.
The working principle is as follows: the two ends of the electric cylinder 1 are respectively fixed in a cavity on the side surface of the base 10, an upper fixing bolt and a lower fixing bolt at the bottoms of the upper supporting guide rail 3 and the lower supporting guide rail 6 are unfastened, the operation control computer controls the electric cylinder 1 to stretch and retract, the upper supporting guide rail 6, the lower supporting guide rail 6 and the measured object are driven to rotate around the lower rotating seat 7, and the rotation motion of the whole measured object from 90 degrees to 80 degrees and back to 90 degrees can be realized; in addition, the lower fixing bolt at the bottom of the lower supporting guide rail 6 is fixed, the upper fixing bolt at the bottom of the upper supporting guide rail 3 is loosened, the operation control computer controls the stretching of the electric cylinder 1 to drive the upper supporting guide rail 3 and the measured object to rotate around the upper side rotating seat 5, and the measured object can be inclined to 70 degrees from 90 degrees and returns to 90 degrees in rotation. The rotary encoder is arranged in the electric cylinder 1, and the accurate rotation angle of the tested object can be calculated through software and geometric relationship.
Claims (6)
1. An attitude control test device, includes base (10), its characterized in that: the device also comprises an electric cylinder (1), a controller (2), an upper support guide rail (3), a lower support guide rail (6), a base (8) and a support plate (9); the electric cylinder (1) and the controller (2) are arranged in a cavity on the side surface of the base (10), and the electric cylinder (1) penetrates through the side wall of the base (10) to be connected with the upper support guide rail (3); the upper support guide rail (3), the lower support guide rail (6), the base (8) and the support plate (9) are all arranged inside the base (10); the electric cylinder (1), the controller (2) and the upper support guide rail (3) are positioned above the lower support guide rail (6), the base (8) and the support plate (9); the lower support guide rail (6) is positioned between the upper support guide rail (3) and the base (8); the base (8) and the supporting plate (9) are positioned below the lower supporting guide rail (6); a limiting mechanism is arranged in the base (10); the limiting mechanism is positioned above the base (8) and the supporting plate (9);
the upper support guide rail (3) is connected with the lower support guide rail (6) through an upper side rotating seat (5); the lower supporting guide rail (6) is connected with the base (8) through a lower side rotating seat (7); an upper fixing bolt is arranged between the upper support guide rail (3) and the lower support guide rail (6); and a lower fixing bolt is arranged between the lower support guide rail (6) and the base (8).
2. The attitude control test apparatus according to claim 1, characterized in that: the limiting mechanism comprises a limiting frame A (4) and a limiting frame B (11).
3. The attitude control test apparatus according to claim 1, characterized in that: the limiting frame A (4) is positioned above the limiting frame B (11); one end of the limiting frame A (4) is arranged on the inner wall of the base (10), and the other end of the limiting frame A is connected with the upper supporting guide rail (3); one end of the limiting frame B (11) is arranged on the inner wall of the base (10), and the other end is connected with the lower supporting guide rail (6).
4. The attitude control test apparatus according to claim 1, characterized in that: after the upper support guide rail (3) and the lower support guide rail (6) are fixed by the upper fixing bolt, the integral inclination is 80-90 degrees.
5. The attitude control test apparatus according to claim 1, characterized in that: the inclination angle of the upper supporting guide rail (3) is 70-90 degrees.
6. A method of using the attitude control test apparatus according to any one of claims 1 to 5, characterized by the steps of:
firstly, an upper fixing bolt is fixed and screwed down, an upper support guide rail (3) and a lower support guide rail (6) are connected into a whole, and then the upper fixing bolt rotates around a lower side rotating seat (7), so that the upper support guide rail (6), the lower support guide rail (6) and a support plate (9) can carry out and reliably bear test load;
and step two, loosening the upper fixing bolt, adjusting the inclination angle of the upper supporting guide rail (3) as required, fixing the lower supporting guide rail (6) on the base (8) through the lower fixing bolt to keep the vertical angle unchanged, and rotating the upper supporting guide rail (3) around the upper side rotating seat (5) to ensure that the limiting device can reliably bear the vibration load in the transverse direction in the test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406331.XA CN109375638B (en) | 2018-11-23 | 2018-11-23 | Attitude control test device and using method thereof |
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| CN201811406331.XA CN109375638B (en) | 2018-11-23 | 2018-11-23 | Attitude control test device and using method thereof |
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| CN109375638A CN109375638A (en) | 2019-02-22 |
| CN109375638B true CN109375638B (en) | 2021-06-18 |
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2018
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| CN203958380U (en) * | 2014-06-19 | 2014-11-26 | 诸暨市赵家佳杰家纺厂 | Rotary guiding device |
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