Radar pitching mechanism

Abstract

The utility model discloses a radar pitching mechanism, and relates to the field of radar equipment. One end, in the first direction, of the radar array plane is hinged to the base, and the other end, in the first direction, of the radar array plane is provided with a lead screw; one end of the electric push rod is hinged to the base; the other end of the electric push rod is hinged to the sliding block, the electric push rod can push the radar array plane to turn over in a pitching mode relative to the base through stretching and retracting of the electric push rod, and the radar array plane can turn over in a pitching mode among an initial state, a first angle state, a second angle state and a termination state in sequence relative to the base; the sliding block is provided with a first position and a second position relative to the lead screw, the second position is closer to the end, hinged to the base, of the radar array plane than the first position, and the position adjusting assembly is configured to be capable of driving the lead screw to rotate around the axis of the lead screw so that the sliding block can be switched between the first position and the second position. According to the utility model, the size can be reduced, and the light and miniaturized requirements are met.

Description

Technical Field

[0001] The utility model relates to the field of radar equipment, in particular to a radar pitch mechanism. Background Art

[0002] Radar is an electronic device that uses electromagnetic waves to detect targets. The radar array emits electromagnetic waves to illuminate the target and receives its echo, thereby obtaining information such as the distance, direction, and height from the target to the electromagnetic wave emission point. The radar changes its own array direction through a rotation mechanism and a pitch mechanism, so that the detection range changes from one direction to a hemispherical three-dimensional space centered on itself.

[0003] However, during the pitch process of the radar array, due to the size and weight of the radar array, the traditional radar pitch mechanism usually uses hydraulic or electric double push rod control. This type of pitch mechanism is often relatively large in size and needs to solve the synchronization accuracy problem when the double push rods are driven, which cannot meet the needs of lightweight and miniaturization. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a radar pitch mechanism that can reduce the volume and meet the requirements of lightness and miniaturization.

[0005] A radar pitch mechanism according to an embodiment of the utility model comprises: a base; a radar array surface, wherein one end of the radar array surface along its own first direction is hinged to the base, and the other end of the radar array surface along the first direction is provided with a screw, and the axis of the screw extends along the first direction; an electric push rod is arranged on the base, and one end of the electric push rod is hinged to the base; a slider is sleeved on the screw rod and matched with the screw rod thread, and the other end of the electric push rod is hinged to the slider, and the electric push rod can push the radar array surface to pitch and flip relative to the base through its own telescopic movement, and the radar array surface can pitch and flip relative to the base in sequence between an initial state, a first angle state, a second angle state and a terminal state; a position adjustment component is arranged on the radar array surface, and the slider has a first position relative to the screw rod. The position adjustment component is configured to be able to drive the lead screw to rotate around the axis of the lead screw itself so that the slider can switch between the first position and the second position; wherein, when the slider is in the first position, the electric push rod can push the radar array to pitch and flip between the initial state and the first angle state; when the slider is in the second position, the electric push rod can push the radar array to pitch and flip between the second angle state and the terminal state; when the position adjustment component drives the lead screw to rotate so that the slider can switch between the first position and the second position, the radar array pitches and flips between the first angle state and the second angle state.

[0006] At least the following beneficial effects are provided: in the initial state, the slider is in the first position relative to the lead screw; when the electric push rod is started, the electric push rod can extend and push the slider; since the position of the slider does not change at this stage and the slider is hinged to the electric push rod, the extension action of the electric push rod will cause the radar array to pitch and flip until the radar array pitches and flips to the first angle state; then, the lead screw is driven to rotate by the position adjustment component, so that the slider moves from the first position to the second position under the action of the lead screw; during this process, since the electric push rod does not extend or retract, the length of the electric push rod remains unchanged, and the slider at the upper end hinge of the electric push rod moves from the first position to the second position, so the radar array pitches and flips from the first angle state to the second angle state; finally, the electric push rod is started again, so that the electric push rod is further extended, and the electric push rod can further push the slider; since the position of the slider is fixed at this stage and the slider is hinged to the electric push rod, the extension action of the electric push rod will cause the radar array to continue to pitch and flip until the radar array pitches and flips to the end state. The radar pitch mechanism in the utility model does not need to push the radar array to achieve pitch and flip through the extension and retraction of the electric push rod throughout the entire process. The utility model cooperates with the electric push rod and the position adjustment component to minimize the distance between the hinge points of the electric push rod and the base, and the hinge points of the radar array and the base, thereby enabling the utility model to reduce the volume and meet the needs of lightweight and miniaturization.

[0007] According to some embodiments of the present utility model, when the radar array surface is in the initial state, the radar array surface is horizontally set; when the radar array surface is in the first angle state, the acute angle between the radar array surface and the horizontal plane is 37°; when the radar array surface is in the second angle state, the acute angle between the radar array surface and the horizontal plane is 73°; when the radar array surface is in the terminal state, the radar array surface is vertically set.

[0008] According to some embodiments of the utility model, the position adjustment assembly includes a first bevel gear and a second bevel gear, the first bevel gear is arranged on the screw, the second bevel gear is rotatably arranged on the radar array surface, and the second bevel gear is located on the side of the screw and meshes with the first bevel gear.

[0009] According to some embodiments of the utility model, the position adjustment assembly also includes an adjustment rod, which is rotatably arranged on the radar array surface, the second bevel gear is arranged on the adjustment rod and can rotate synchronously with the adjustment rod, and a rotating handle is arranged at the end of the adjustment rod.

[0010] According to some embodiments of the present utility model, the position adjustment assembly also includes a manual support, which is installed on the radar array surface, and the adjustment rod is rotatably accommodated in the manual support and at least two bearings are arranged between the manual support.

[0011] According to some embodiments of the utility model, a screw seat is provided on the radar array surface, the screw is rotatably provided on the screw seat, the screw seat is provided with a slide groove, and the slider is slidably matched with the slide groove.

[0012] According to some embodiments of the present invention, the slide groove is a dovetail groove.

[0013] According to some embodiments of the utility model, the electric push rod includes a body and a telescopic rod, one end of the body is hinged to the base, the telescopic rod can be telescoped relative to the body and the end thereof is hinged to the slider.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0016] Figure 1 and Figure 2 This is a schematic diagram of the structure of the rear part of the radar array in different angles according to an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the radar array in the embodiment of the utility model when it is in the initial state;

[0018] Figure 4 It is a schematic diagram of the structure when the radar array surface is in a first angle state in an embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure when the radar array surface is in the second angle state in the embodiment of the utility model;

[0020] Figure 6 It is a schematic diagram of the structure when the radar array surface is in a terminated state in an embodiment of the utility model;

[0021] Figure 7 It is a partial enlarged structural schematic diagram of the screw rod position in the embodiment of the utility model;

[0022] Figure 8 for Figure 7 A schematic diagram of the cross-sectional structure along the vertical plane where the screw axis is located;

[0023] Fig. 9 for Figure 8 Schematic diagram of the local enlarged structure at point A in the middle.

[0024] Figure Number:

[0025] Base 100;

[0026] Radar array 200, screw rod 210;

[0027] Electric push rod 300, body 310, telescopic rod 320;

[0028] Slider 400;

[0029] Position adjustment assembly 500, first bevel gear 510, second bevel gear 520, adjustment rod 530, manual support 540, bearing 550;

[0030] Screw seat 600. DETAILED DESCRIPTION

[0031] In the description of the present invention, it should be understood that the descriptions involving orientation, such as up, down, first direction, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 therefore cannot be understood as a limitation on the present invention.

[0032] In the description of the utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] Reference Figures 1 to 9 The utility model discloses a radar pitch mechanism, which is characterized by comprising a base 100, a radar array 200, an electric push rod 300, a slider 400 and a position adjustment component 500.

[0035] Among them, one end of the radar array 200 along its own first direction is hinged to the base 100, and the other end of the radar array 200 along the first direction is provided with a screw rod 210, and the axis of the screw rod 210 extends along the first direction. The electric push rod 300 is arranged on the base 100, and one end of the electric push rod 300 is hinged to the base 100. The slider 400 is sleeved on the screw rod 210 and threadedly matched with the screw rod 210. The other end of the electric push rod 300 is hinged to the slider 400. The electric push rod 300 can push the radar array 200 to pitch and flip relative to the base 100 through its own telescopic movement. The radar array 200 can pitch and flip relative to the base 100 in sequence between the initial state, the first angle state, the second angle state and the terminal state. The position adjustment component 500 is arranged on the radar array 200, and the slider 400 is relative to the screw rod 21 0 has a first position and a second position, the second position is closer to one end where the radar array 200 and the base 100 are hinged to each other than the first position, the position adjustment component 500 is configured to be able to drive the lead screw 210 to rotate around the axis of the lead screw 210 itself to switch the slider 400 between the first position and the second position, when the slider 400 is in the first position, the electric push rod 300 can push the radar array 200 to pitch and flip between the initial state and the first angle state; when the slider 400 is in the second position, the electric push rod 300 can push the radar array 200 to pitch and flip between the second angle state and the terminal state; when the position adjustment component 500 drives the lead screw 210 to rotate to switch the slider 400 between the first position and the second position, the radar array 200 pitches and flips between the first angle state and the second angle state.

[0036] It can be understood that the entire pitching process of the pitching mechanism from the initial state to the final state is as follows: First, Figure 3 and Figure 4 As shown, in the initial state, the slider 400 is in the first position relative to the lead screw 210. When the electric push rod 300 is started, the electric push rod 300 can extend and push the slider 400. Since the slider 400 is fixed in this stage and the slider 400 is hinged to the electric push rod 300, the extension action of the electric push rod 300 will cause the radar array 200 to pitch and flip until the radar array 200 pitches and flips to the first angle state; then, as shown in FIG. Figure 4 and Figure 5 As shown, the position adjustment assembly 500 drives the screw rod 210 to rotate, so that the slider 400 cooperates with the thread of the screw rod 210. Figure 4 The first position moves to Figure 5 During this process, since the electric push rod 300 does not extend or retract, the length of the electric push rod 300 remains unchanged. Therefore, the radar array 200 will be tilted from the first angle state to the second angle state. Finally, Figure 5 and Figure 6As shown, the electric push rod 300 is started again, so that the electric push rod 300 is further extended, and the electric push rod 300 can further push the slider 400. Since the slider 400 is fixed in this stage and the slider 400 is hinged to the electric push rod 300, the extension action of the electric push rod 300 will cause the radar array 200 to continue to pitch and flip until the radar array 200 pitches and flips to the end state. The radar pitch mechanism in the utility model does not need to push the radar array 200 to pitch and flip through the extension and contraction of the electric push rod 300 throughout the entire process. The utility model cooperates with the electric push rod 300 and the position adjustment component 500, so that the distance between the hinge points of the electric push rod 300 and the base 100, and the hinge points of the radar array 200 and the base 100 can be reduced as much as possible, thereby enabling the utility model to reduce the volume of the system and meet the requirements of lightweight miniaturization.

[0037] It is not difficult to understand that the process of the pitch mechanism flipping from the end state to the initial state is opposite to the above process: first, the electric push rod 300 contracts, so that the radar array 200 flips from the end state to the second angle state; then, the position adjustment component 500 controls the screw rod 210 to rotate in the opposite direction, so that the slider 400 moves from the second position back to the first position. During this process, the radar array 200 also flips from the second angle state to the first angle state; finally, the electric push rod 300 contracts again, so that the radar array 200 flips from the first angle state to the initial state.

[0038] It should be noted that the plane where the pitch and flip directions of the radar array 200 are located is in the same plane as the plane where the pitch and flip directions of the electric push rod 300 are located, and the axis of the screw rod 210 and the axis of the electric push rod 300 are in the same vertical plane. In addition, the first direction can be determined according to the specific shape of the radar array 200. Figure 1 In the form of the radar array 200 shown, the first direction may be the direction of the long side of the radar array 200 .

[0039] In addition, it should be noted that when the slider 400 is threadedly engaged with the screw 210, the slider 400 only has the freedom to move relative to the axial direction of the screw 210, and the slider 400 cannot rotate relative to the screw 210, similar to a traditional screw-nut mechanism. When the position adjustment component 500 does not control the screw 210 to rotate, the screw 210 is in a stationary state, and accordingly, the slider 400 is also in a stationary state and cannot move.

[0040] like Figures 3 to 6As shown, in the embodiment of the utility model, when the radar array 200 is in the initial state, the radar array 200 is set horizontally; when the radar array 200 is in the first angle state, the acute angle between the radar array 200 and the horizontal plane is 37°; when the radar array 200 is in the second angle state, the acute angle between the radar array 200 and the horizontal plane is 73°; when the radar array 200 is in the terminal state, the radar array 200 is set vertically. Through the above angle settings, the radar array 200 can be smoothly pitched and flipped. If the acute angle between the radar array and the horizontal plane exceeds 37° in the first angle state, it is easy to cause the radar array 200 to get stuck.

[0041] like Figures 7 to 9 As shown, in an embodiment of the utility model, the position adjustment assembly 500 includes a first bevel gear 510 and a second bevel gear 520, the first bevel gear 510 is arranged on the screw rod 210, the second bevel gear 520 is rotatably arranged on the radar array 200, and the second bevel gear 520 is located on the side of the screw rod 210 and meshes with the first bevel gear 510. When in use, by controlling the rotation of the second bevel gear 520, the rotation of the screw rod 210 can be indirectly controlled under the cooperation of the second bevel gear 520 and the first bevel gear 510. The space occupied by the position adjustment assembly in the first direction can be saved by the cooperation of the bevel gears, because the second bevel gear 520 only needs to be arranged on the side of the screw rod 210, and does not need to occupy the space at the axial end of the screw rod 210.

[0042] It should be noted that the position adjustment component 500 in the present invention can be manually adjusted or electrically adjusted. When it is manually adjusted, the rotation of the screw rod 210 can be manually controlled. When it is electrically adjusted, the rotation of the screw rod 210 can be controlled by a motor.

[0043] like Fig. 9 As shown, the position adjustment assembly 500 in the embodiment of the utility model further includes an adjustment rod 530, which is rotatably arranged on the radar array 200, and the second bevel gear 520 is arranged on the adjustment rod 530 and can rotate synchronously with the adjustment rod 530, and a rotating handle is arranged at the end of the adjustment rod 530. The operator can manually turn the rotating handle to drive the adjustment rod 530 and the second bevel gear 520 thereon to rotate synchronously, which is convenient for operation.

[0044] In the embodiment of the present utility model, refer to Fig. 9The position adjustment assembly 500 further includes a manual support 540, which is mounted on the radar array 200. The adjustment rod 530 is rotatably accommodated in the manual support 540 and at least two bearings 550 are arranged between the manual support 540. The second bevel gear 520 and the ends of the bearing 550 can be limited by a retaining spring. Of course, multiple bearings 550 can also be arranged between the screw rod 210 and the radar array 200.

[0045] like Figures 1 to 9 As shown, in the embodiment of the utility model, a screw seat 600 is provided on the radar array 200, and the screw 210 is rotatably provided on the screw seat 600. The screw seat 600 can be fixedly provided on the radar array 200 by fasteners, or can be integrally formed with the radar array 200. The screw seat 600 is provided with a slide groove, and the slider 400 slides with the slide groove. The slide groove can limit the rotation of the slider 400, so that the slider 400 only has the degree of freedom to move along the screw 210. Further, the above-mentioned slide groove can be designed as a dovetail groove, and accordingly, the slider 400 is also dovetail-shaped.

[0046] like Figure 1 In the embodiment of the utility model, the electric push rod 300 includes a body 310 and a telescopic rod 320 . One end of the body 310 is hinged to the base 100 . The telescopic rod 320 can be telescoped relative to the body 310 and the end thereof is hinged to the slider 400 .

[0047] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0048] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A radar pitch mechanism, characterized in that: include: Pedestal; A radar array, wherein one end of the radar array along the first direction is hinged to the base, and the other end of the radar array along the first direction is provided with a screw, and the axis of the screw extends along the first direction; An electric push rod is arranged on the base, and one end of the electric push rod is hinged to the base; A slider is sleeved on the screw rod and matched with the screw rod thread, the other end of the electric push rod is hinged to the slider, and the electric push rod can push the radar array to pitch and flip relative to the base through its own extension and contraction, and the radar array can pitch and flip relative to the base in sequence between an initial state, a first angle state, a second angle state and a terminal state; a position adjustment component, arranged on the radar array, the slider having a first position and a second position relative to the screw rod, the second position being closer to an end at which the radar array and the base are hinged to each other than the first position, the position adjustment component being configured to be able to drive the screw rod to rotate around the axis of the screw rod itself so that the slider switches between the first position and the second position; Wherein, when the slider is in the first position, the electric push rod can push the radar array to pitch and flip between the initial state and the first angle state; when the slider is in the second position, the electric push rod can push the radar array to pitch and flip between the second angle state and the terminal state; when the position adjustment component drives the screw rod to rotate so that the slider switches between the first position and the second position, the radar array pitches and flips between the first angle state and the second angle state.

2. A radar pitch mechanism according to claim 1, characterized in that: When the radar array surface is in the initial state, the radar array surface is horizontally set; when the radar array surface is in the first angle state, the acute angle between the radar array surface and the horizontal plane is 37°; when the radar array surface is in the second angle state, the acute angle between the radar array surface and the horizontal plane is 73°; when the radar array surface is in the terminal state, the radar array surface is vertically set.

3. A radar pitch mechanism according to claim 1, characterized in that: The position adjustment component includes a first bevel gear and a second bevel gear, the first bevel gear is arranged on the screw rod, the second bevel gear is rotatably arranged on the radar array surface, and the second bevel gear is located on the side of the screw rod and meshes with the first bevel gear.

4. A radar pitch mechanism according to claim 3, characterized in that: The position adjustment component also includes an adjustment rod, which is rotatably arranged on the radar array surface. The second bevel gear is arranged on the adjustment rod and can rotate synchronously with the adjustment rod. A rotating handle is arranged at the end of the adjustment rod.

5. A radar pitch mechanism according to claim 4, characterized in that: The position adjustment component also includes a manual support, which is installed on the radar array surface. The adjustment rod is rotatably accommodated in the manual support and at least two bearings are arranged between the adjustment rod and the manual support.

6. A radar pitch mechanism according to claim 1, characterized in that: The radar array surface is provided with a screw seat, the screw is rotatably provided on the screw seat, the screw seat is provided with a slide groove, and the slider is slidably matched with the slide groove.

7. A radar pitch mechanism according to claim 6, characterized in that: The slide groove is in the shape of a dovetail groove.

8. The radar pitch mechanism according to claim 1, characterized in that: The electric push rod comprises a body and a telescopic rod, one end of the body is hinged on the base, the telescopic rod can be telescoped relative to the body and the end thereof is hinged to the slider.

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