Dynamic putting test device
By designing a dynamic placement test device with two-dimensional rotation function, the problem that traditional test benches cannot simulate dynamic attitudes is solved, and the attitude and angular velocity simulation in pitch and roll directions is realized, which improves the authenticity and confidence of the test results. .
Patent Information
- Application Number
- CN202420596475.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The traditional ground drop test bench cannot simulate the dynamic attitude of the weapon at a predetermined angular velocity, and cannot effectively simulate the actual drop conditions of the onboard suspension device on the carrier, affecting the authenticity and confidence of the test results.
A dynamic drop test device is designed with two-dimensional rotation functions, including pitch and roll brackets, trimming components and control drive components, which can simulate the actual attitude angle and angular velocity of the weapon on the carrier, and complete pitch through the electrical line drive bracket. and rolling to achieve one-dimensional or two-dimensional rotation function.
It improves the authenticity of environmental simulation, and can perform delivery test verification under pitch and roll attitude conditions, enhances the confidence of test results and ensures the safety of test flights.
Smart Images
Figure CN222166509U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of mechanical technology, and in particular relates to a dynamic launching test device. Background Art
[0002] Traditional ground drop test benches for airborne suspension devices also have two rotational degrees of freedom, such as pitch and roll angles. Before the test, the test bench needs to be adjusted and fixed to a predetermined pitch and roll attitude angle, and the drop test is carried out at this angle. The reality is that weapons are not only dropped at a certain angle, but also at a predetermined angular velocity. This requires ground tests to simulate not only the attitude angle during drop, but also the angular velocity. Ground drop tests are one of the most important links to ensure the success of air test flights. In order to increase the confidence of the test results, the product must be tested and assessed under pitch and roll attitude conditions during the test. Only products that have passed the test verification and met the specified requirements can be delivered for flight tests to ensure flight safety. Utility Model Content
[0003] The utility model proposes a dynamic delivery test bench with a two-dimensional rotation function, which enables the airborne suspension device to simulate the actual attitude angle and angular velocity on the carrier aircraft and complete delivery test verification and assessment, thereby solving the problem that the traditional test bench cannot perform dynamic delivery.
[0004] In view of this, according to one aspect of an embodiment of the utility model, a dynamic launch test device is provided, including: a base 1, a roll bracket 2, a roll trim assembly 3, a pitch bracket 4, a pitch trim assembly 5, a mounting platform 6 and a control and drive assembly 7; the pitch bracket 4 is installed on the upper part of the base 1 through a central rotating shaft; the roll bracket 2 is installed on the lower part of the pitch bracket 4, and the pitch trim assembly 5 is installed on the upper part of the pitch bracket 4; the roll trim assembly 3 is installed on the upper part of the roll bracket 2, and the mounting platform 6 is installed on the lower part of the roll bracket 2; the control and drive assembly 7 is connected to the rotating motors of the roll bracket 2 and the pitch bracket 4 through electrical lines to drive them to complete the rotation of pitch and roll.
[0005] Optionally, the pitch bracket 4 is an "X"-shaped structure, which is radially distributed along the central rotation axis.
[0006] Optionally, a test suspension device 8 is further included, and the test suspension device 8 is used to install the simulation object 9 on the mounting platform 6, and is symmetrically distributed with the roll trim assembly 3 around the rotation axis of the roll bracket 2.
[0007] Optionally, the roll bracket 2 and all structures mounted thereon are centrally symmetrical with the pitch trim assembly 3 about the rotation axis of the pitch bracket 4 .
[0008] Optionally, the control and driving component 7 can drive the pitch bracket 4 or the roll bracket 2 to realize a one-dimensional rotation function respectively, and can also drive the pitch bracket 4 or the roll bracket 2 to realize a two-dimensional rotation function at the same time.
[0009] Optionally, the control and drive component 7 can send a release instruction to the suspension device 8 when the test bench reaches a set one-dimensional posture or a two-dimensional posture, and the suspension device 8 releases the simulant 9 after receiving the release instruction.
[0010] Optionally, the pitch trim assembly 5 can be moved along the installation axis away from or close to the center of the pitch bracket 4 to achieve moment balance in the pitch direction of the test bench in different states under static and dynamic conditions.
[0011] Optionally, the roll trim assembly 3 can be moved along the installation axis away from or close to the central axis of the roll bracket 2 to achieve moment balance in the roll direction of the test bench in different states under static and dynamic conditions.
[0012] Compared with the prior art, the utility model has the following beneficial technical effects:
[0013] The utility model proposes a dynamic delivery test bench with two-dimensional rotation function, which has the degrees of freedom in pitch and roll directions, so that the airborne suspension device can simulate the actual attitude angle and angular velocity on the carrier aircraft, and complete the delivery test verification and assessment, thereby improving the authenticity of the environmental simulation and the confidence of the test results. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a dynamic delivery test device according to the utility model;
[0015] Description of reference numerals:
[0016] 1——base, 2——roll bracket, 3——roll trim assembly, 4——pitch bracket, 5——pitch trim assembly, 6——mounting platform, 7——control and drive assembly, 8——test suspension device, 9——simulant. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] The utility model provides a dynamic delivery test device, such as Figure 1As shown, it includes: a base 1, a roll bracket 2, a roll trim assembly 3, a pitch bracket 4, a pitch trim assembly 5, a mounting platform 6 and a control and drive assembly 7; the pitch bracket 4 is mounted on the upper part of the base 1 through a central shaft; the roll bracket 2 is mounted on the lower part of the pitch bracket 4, and the pitch trim assembly 5 is mounted on the upper part of the pitch bracket 4; the roll trim assembly 3 is mounted on the upper part of the roll bracket 2, and the mounting platform 6 is mounted on the lower part of the roll bracket 2; the control and drive assembly 7 is connected to the rotating motors of the roll bracket 2 and the pitch bracket 4 through electrical circuits to drive them to complete the rotation of pitch and roll. The test bench can realize static delivery tests under compound attitudes and dynamic delivery tests under constant roll and pitch rate conditions.
[0019] Furthermore, the pitch bracket 4 is an "X"-shaped structure, which is radially distributed along the central rotation axis.
[0020] Furthermore, it also includes a test suspension device 8, which is used to install the simulated object 9 on the mounting platform 6 and is symmetrically distributed with the roll trim assembly 3 around the rotation axis of the roll bracket 2.
[0021] Furthermore, the roll bracket 2 and all structures mounted thereon are centrally symmetrical with the pitch trim assembly 3 about the rotation axis of the pitch bracket 4 .
[0022] Furthermore, the control and driving component 7 can drive the pitch bracket 4 or the roll bracket 2 to realize a one-dimensional rotation function respectively, and can also drive the pitch bracket 4 or the roll bracket 2 to realize a two-dimensional rotation function at the same time.
[0023] Furthermore, the control and driving component 7 can send a release instruction to the suspension device 8 when the test bench reaches a set one-dimensional posture or a two-dimensional posture, and the suspension device 8 releases the simulant 9 after receiving the release instruction.
[0024] Furthermore, the pitch trim assembly 5 can move away from or closer to the center of the pitch bracket 4 along the installation axis to achieve moment balance in the pitch direction of the test bench in different states under static and dynamic conditions.
[0025] Furthermore, the roll trim assembly 3 can be moved away from or closer to the central axis of the roll bracket 2 along the installation axis, so as to achieve moment balance in the roll direction of the test bench in different states under static and dynamic conditions.
[0026] Example
[0027] like Figure 1As shown, when the test bench is in the initial position, the tested suspension device 8 and the simulant 9 are installed on the mounting platform 6, the roll trim component 2 is adjusted to balance the moment in the roll direction of the test bench, and then the pitch trim component 5 is adjusted to balance the moment in the pitch direction of the test bench, the control and drive component 7 drives the roll bracket 2 and the pitch bracket 4 respectively, so that they gradually reach the preset pitch attitude (angle and angular velocity) and roll attitude (angle and angular velocity), and at the same time sends a release instruction to the tested suspension device 8, and the tested suspension device 8 is actuated to realize the release and separation of the simulant 9. After the test is completed, the test bench stops and returns to the initial position.
[0028] The above is only a specific embodiment of the utility model, and the utility model is described in detail. The undetailed part is conventional technology. However, the protection scope of the utility model is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. The protection scope of the utility model shall be based on the protection scope of the claims.
Claims
1. A dynamic delivery test device, It is characterized in that include: The invention relates to a base (1), a roll bracket (2), a roll trim assembly (3), a pitch bracket (4), a pitch trim assembly (5), a mounting platform (6) and a control and drive assembly (7); the pitch bracket (4) is mounted on the upper part of the base (1) via a central rotating shaft; the roll bracket (2) is mounted on the lower part of the pitch bracket (4), and the pitch trim assembly (5) is mounted on the upper part of the pitch bracket (4); the roll trim assembly (3) is mounted on the upper part of the roll bracket (2), and the mounting platform (6) is mounted on the lower part of the roll bracket (2); the control and drive assembly (7) is connected to the rotating motors of the roll bracket (2) and the pitch bracket (4) via electrical circuits, and drives them to complete the rotation of pitch and roll.
2. The device according to claim 1, It is characterized in that The pitch bracket (4) is an "X"-shaped structure and is radially distributed along the central rotation axis.
3. The device according to claim 1, It is characterized in that The invention also comprises a test suspension device (8), which is used to install the simulation object (9) on the mounting platform (6) and is symmetrically distributed with the roll trim component (3) about the rotation axis of the roll bracket (2).
4. The device according to claim 1, It is characterized in that The roll bracket (2) and all structures installed thereon are centrally symmetrical with the pitch trim assembly (5) about the rotation axis of the pitch bracket (4).
5. The device according to claim 1, It is characterized in that The control and driving component (7) can drive the pitch bracket (4) or the roll bracket (2) respectively to realize a one-dimensional rotation function, and can also drive the pitch bracket (4) or the roll bracket (2) simultaneously to realize a two-dimensional rotation function.
6. The device according to claim 3, It is characterized in that The control and drive component (7) can send a release instruction to the suspension device (8) when the test bench reaches a set one-dimensional posture or a two-dimensional posture, and the suspension device (8) releases the simulation object (9) after receiving the release instruction.
7. The device according to claim 1, It is characterized in that The pitch trim assembly (5) can be moved along the installation axis away from or close to the center of the pitch bracket (4) to achieve moment balance in the pitch direction of the test bench in different states under static and dynamic conditions.
8. The device according to claim 1, It is characterized in that The roll trim component (3) can be moved away from or closer to the central axis of the roll bracket (2) along the installation axis, so that the moment balance in the roll direction of the test bench in different states under static and dynamic conditions can be achieved.