Adaptive radar antenna precision holding mechanism

Abstract

This invention provides an adaptive radar antenna accuracy maintenance mechanism, relating to the field of automatic radar antenna installation technology. The accuracy maintenance mechanism can extend and retract in tandem with the deployment and retraction mechanism. When the array frame is deployed, the accuracy maintenance mechanism can form a flexible, unidirectional tension state, providing load-resistant damping for the radar antenna mounted on the array frame. Under wind-induced load fluctuations, it reduces the overall deformation of the radar antenna, improves the overall rigidity of the array, maintains the accuracy of the radar antenna, and enhances the wind resistance stability of the radar antenna. Furthermore, the accuracy maintenance mechanism is installed independently of the deployment and retraction mechanism, facilitating disassembly, assembly, and overall maintenance.

Description

Technical Field

[0001] This invention relates to the field of automatic radar antenna installation technology, and more specifically to an adaptive radar antenna accuracy maintenance mechanism. Background Technology

[0002] With the increasing complexity and variability of modern warfare, the improvement in the power and accuracy of radar products has led to a continuous increase in antenna size, making battlefield survivability increasingly difficult. The increase in antenna array size has forced radar products to adopt various array deployment and retraction mechanisms, such as sleeve type and linkage type, to reduce the antenna size to the mobile transport envelope during transportation.

[0003] However, the array deployment and retraction mechanism has many kinematic pairs and a small layout size, resulting in insufficient rigidity and large deformation, which reduces the overall accuracy of the array. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an adaptive radar antenna accuracy maintenance mechanism, which solves the problem of insufficient accuracy of radar antennas using array deployment and retraction mechanisms.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] An adaptive radar antenna accuracy maintenance mechanism, the accuracy maintenance mechanism comprising: a first swing arm, a second swing arm, a single-row chain, a telescopic rod, and an elastic reset component;

[0007] The precision-maintaining mechanism is installed between the support frame and the array frame;

[0008] The supporting frame is driven by an extension and retraction mechanism to extend and retract multiple sets of array frame frames in the lateral direction.

[0009] The array frame includes: a first array frame and a second array frame;

[0010] The second array frame is located between the first array frame and the support frame;

[0011] The end of the first swing arm is hinged to the support frame, the head of the first swing arm is hinged to the end of the single-row chain, the head of the single-row chain is hinged to the end of the telescopic rod, and the head of the telescopic rod is hinged to the first array frame through the first hinge point.

[0012] The head end of the elastic reset member is hinged to the first array frame through the second hinge point, and the end end of the elastic reset member is hinged to the telescopic rod tube.

[0013] The head end of the second pendulum is hinged to the frame of the second array, and the end of the second pendulum is hinged to the middle section of the first pendulum.

[0014] Preferably, a tension spring is provided between the telescopic rod body and the rod tube, and the tension spring is used to drive the rod body to retract into the rod tube.

[0015] Preferably, the elastic reset element is a gas spring, a helical spring, or a leaf spring.

[0016] Preferably, the array frame includes: an array frame and a support base;

[0017] The column frame is mounted on the support base, and the support frame drives multiple sets of support bases to move laterally through the extension and retraction mechanism.

[0018] Preferably, the first hinge point and the second hinge point are both located on the support seat of the first array frame; the head end of the second swing arm is hinged to the support seat of the second array frame.

[0019] This invention provides an adaptive radar antenna accuracy maintenance mechanism. Compared with the prior art, it has the following advantages:

[0020] In this invention, the precision maintenance mechanism can be deployed and retracted in tandem with the deployment and retraction mechanism. When the array frame is deployed, the precision maintenance mechanism can form a flexible unidirectional tension state, providing load-resistant damping for the radar antenna installed on the array frame. When subjected to wind force fluctuation load, it reduces the overall deformation of the radar antenna, improves the overall rigidity of the array, maintains the accuracy of the radar antenna, and enhances the wind resistance stability of the radar antenna. Furthermore, the precision maintenance mechanism is installed independently of the deployment and retraction mechanism, making it easy to disassemble, install, and maintain as a whole. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the precision maintenance mechanism in its deployed state in an embodiment of the present invention.

[0023] Figure 2 This is a schematic diagram of the precision maintenance mechanism in its retracted state in an embodiment of the present invention.

[0024] Figure 3 This is a schematic diagram of the intermediate state of the precision maintenance mechanism in an embodiment of the present invention.

[0025] Figure 4 This is a top view of the precision maintenance mechanism in an embodiment of the present invention.

[0026] The reference numerals in the figure are set as follows: 1. First swing arm; 2. Second swing arm; 3. Single row chain; 4. Telescopic rod; 5. Elastic reset component; 6. Support frame; 7. Deployment and retraction mechanism; 8. First array frame; 9. Second array frame. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] This application provides an adaptive radar antenna accuracy maintenance mechanism, which solves the problem of insufficient radar antenna accuracy using array deployment and retraction mechanisms.

[0029] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0030] Example:

[0031] like Figures 1-4 As shown, the present invention provides an adaptive radar antenna accuracy maintenance mechanism, which includes: a first swing arm 1, a second swing arm 2, a single-row chain 3, a telescopic rod 4, and an elastic reset member 5;

[0032] The precision maintenance mechanism is installed between the support frame 6 and the array frame;

[0033] The supporting frame 6 is driven by the extension and retraction mechanism 7 to extend and retract multiple sets of array frame frames in the lateral direction.

[0034] The array frame includes: a first array frame 8 and a second array frame 9;

[0035] The second array frame 9 is located between the first array frame 8 and the support frame 6;

[0036] The end of the first swing rod 1 is hinged to the support frame 6, the head of the first swing rod 1 is hinged to the end of the single-row chain 3, the head of the single-row chain 3 is hinged to the end of the telescopic rod 4, and the head of the telescopic rod 4 is hinged to the first array frame 8 through the first hinge point.

[0037] The head end of the elastic reset member 5 is hinged to the first array frame 8 through the second hinge point, and the end end of the elastic reset member 5 is hinged to the tube of the telescopic rod 4. The elastic reset member 5 is used to drive the telescopic rod 4 to reset and swing in the up direction to prevent the telescopic rod 4 and the first swing rod 1 from interfering with each other during the retraction of the array frame.

[0038] The first end of the second pendulum rod 2 is hinged to the second array frame 9, and the second end of the second pendulum rod 2 is hinged to the middle section of the first pendulum rod 1.

[0039] A tension spring is provided between the rod body and the tube of the telescopic rod 4, and the tension spring is used to drive the rod body to retract into the tube.

[0040] The elastic reset element 5 is a gas spring, a helical spring, or a leaf spring.

[0041] The unidirectional chain 3 cannot be replaced by soft elastic materials such as steel wire rope, to avoid the entanglement phenomenon caused by the uncontrollable state of the steel wire rope during the retraction process of the precision maintenance mechanism and the extension and retraction mechanism 7.

[0042] like Figures 1-3 As shown, the array frame includes: an array frame and a support base;

[0043] The column frame is mounted on the support base, and the support frame 6 drives multiple sets of support bases to perform lateral folding and unfolding movements through the unfolding and unfolding mechanism 7.

[0044] like Figures 1-3 As shown, the first hinge point and the second hinge point are both located on the support seat of the first array frame 8; the head end of the second swing arm 2 is hinged to the support seat of the second array frame 9.

[0045] In the deployed state of the array frame, the first pendulum 1 swings and unfolds under the action of the second pendulum 2. The first pendulum 1 stretches the telescopic rod 4 through the single-row chain 3 and drives the telescopic rod 4 to swing and unfold the compression elastic reset member 5 in the down direction. At this time, the accuracy maintenance mechanism forms a flexible unidirectional tension state, which provides load damping for the radar antenna installed on the array frame. When subjected to wind force fluctuation load, it reduces the overall deformation of the radar antenna and maintains the accuracy of the radar antenna.

[0046] During the retraction process of the array frame driven by the extension and retraction mechanism 7, the telescopic rod 4 swings back in the up direction under the action of the elastic reset member 5 to prevent the telescopic rod 4 from interfering with the first swing rod 1. The first swing rod 1 swings and retracts under the action of the second swing rod 2. When the array frame is retracted to a certain extent, the head end of the first swing rod 1 and the end of the telescopic rod 4 are intersected. The first swing rod 1 pulls the rod body of the telescopic rod 4 back into the rod tube through the taut single row chain 3. After the telescopic rod 4 is fully retracted, the single row chain 3 remains taut. When the array frame is fully retracted, the telescopic rod 4 retracts between the first swing rod 1 and the array frame and is stored inside the second swing rod 2.

[0047] During the unfolding process driven by the unfolding mechanism 7, the telescopic rod 4 moves out from the storage position between the first swing rod 1 and the array frame and inside the second swing rod 2. When the array frame is unfolded to a certain extent, the head end of the first swing rod 1 separates from the end of the telescopic rod 4. The first swing rod 1 pulls the rod body of the telescopic rod 4 out of the rod tube through the taut single-row chain 3, and the telescopic rod 4 swings down and unfolds under the action of the single-row chain 3, compressing the elastic reset member 5. After the array frame is fully unfolded, the telescopic rod 4 is fully stretched, the single-row chain 3 is taut, and the elastic reset member 5 is in a compressed state.

[0048] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0049] In this embodiment of the invention, the precision maintenance mechanism can be deployed and retracted in tandem with the deployment and retraction mechanism. When the array frame is deployed, the precision maintenance mechanism can form a flexible unidirectional tension state, providing load-resistant damping for the radar antenna installed on the array frame. When subjected to wind force fluctuation load, it reduces the overall deformation of the radar antenna, improves the overall rigidity of the array, maintains the precision of the radar antenna, and enhances the wind resistance stability of the radar antenna. Furthermore, the precision maintenance mechanism is installed independently of the deployment and retraction mechanism, making it easy to disassemble, install, and maintain as a whole.

[0050] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adaptive radar antenna accuracy maintenance mechanism, characterized in that, The precision maintaining mechanism includes: a first swing arm, a second swing arm, a single-row chain, a telescopic rod, and an elastic reset component; The precision-maintaining mechanism is installed between the support frame and the array frame; The supporting frame is driven by an extension and retraction mechanism to extend and retract multiple sets of array frame frames in the lateral direction. The array frame includes: a first array frame and a second array frame; The second array frame is located between the first array frame and the support frame; The end of the first swing arm is hinged to the support frame, the head of the first swing arm is hinged to the end of the single-row chain, the head of the single-row chain is hinged to the end of the telescopic rod, and the head of the telescopic rod is hinged to the first array frame through the first hinge point. The head end of the elastic reset member is hinged to the first array frame through the second hinge point, and the end end of the elastic reset member is hinged to the telescopic rod tube. The head end of the second pendulum is hinged to the frame of the second array, and the end end of the second pendulum is hinged to the middle section of the first pendulum. The array frame includes: an array frame and a support base; The column frame is mounted on the support base, and the support frame drives multiple sets of support bases to perform lateral expansion and contraction movements through the expansion and contraction mechanism. The first hinge point and the second hinge point are both located on the support base of the first array frame; the head end of the second swing arm is hinged to the support base of the second array frame.

2. The adaptive radar antenna accuracy maintenance mechanism as described in claim 1, characterized in that, A tension spring is provided between the telescopic rod body and the rod tube, and the tension spring is used to drive the rod body to retract into the rod tube.

3. The adaptive radar antenna accuracy maintenance mechanism as described in claim 1, characterized in that, The elastic reset component is a gas spring, a helical spring, or a leaf spring.

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