An angle adjustment device for a radiating source horn antenna

Abstract

This invention discloses an angle adjustment device for a horn antenna of a radiating source, comprising a mounting base, a horizontal adjustment assembly, an azimuth adjustment assembly, and a pitch adjustment assembly. The horizontal adjustment assembly includes a fine-tuning component and a coarse-tuning component. The fine-tuning component includes a height fine-tuning component and a height adjustment seat. The coarse-tuning component includes a vertical support rod and several telescopic rods. The azimuth adjustment assembly includes an azimuth frame and a first transmission component disposed within the azimuth frame. The first transmission component has a first rotation axis, and the axis of the vertical support rod is parallel to the first rotation axis. The pitch adjustment assembly includes a pitch frame and a second transmission component disposed within the pitch frame. The second transmission component has a second rotation axis, and the second rotation axis is perpendicular to the first rotation axis. The horn antenna is fixed to the second transmission component. This invention can effectively adjust the three angles of a horn antenna, has a simple structure, and can greatly reduce its weight, making it easy to carry and assemble.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of radiation source horn antenna, more particularly, relates to an angle adjusting device for radiation source horn antenna. BACKGROUND

[0002] The horn antenna is a widely used microwave antenna, which has the advantages of simple structure, wide frequency band, large power capacity and convenient adjustment and use. By reasonably selecting the size of the horn antenna, good radiation characteristics, quite sharp main lobe, smaller side lobe and higher gain can be obtained. Therefore, the horn antenna is widely used, and it is a common standard antenna for antenna gain test. Since the working environment of the radiation source horn antenna is complex and changeable, the adjustment of the azimuth, elevation and horizontal direction has high requirements. The conventional adjusting device is difficult to meet the actual working requirements of the horn antenna, so it is necessary to design a radiation source horn antenna with the advantages of convenient disassembly and assembly, reliable adjustment and strong adaptability. At present, the angle adjusting device of the horn antenna generally adopts the structure forms of servo, toothed arc and limiting slot to realize the adjustment of each angle of the horn antenna. Due to the limitations of the structure forms and space size of the servo, toothed arc and limiting slot, the production cost of the whole mechanism is high, the installation is relatively cumbersome and heavy, and the most critical factor is that the above mechanisms cannot realize the 360° dead angle-free adjustment of the azimuth, elevation and horizontal direction, which cannot meet the special working conditions of the radiation source horn antenna in the azimuth and elevation. SUMMARY

[0003] In view of the above defects or improvement needs of the prior art, the present application provides an angle adjusting device for radiation source horn antenna, which is used to solve the problem that the prior art cannot realize the full-range adjustment of the azimuth, elevation and horizontal direction, and can realize the miniaturization and lightness of the overall structure.

[0004] To achieve the above object, according to one aspect of the present application, an angle adjusting device for a horn antenna of a radiation source is provided, characterized in that it comprises a hoisting bottom plate, a horizontal adjusting assembly, an azimuth adjusting assembly and a pitch adjusting assembly, the horizontal adjusting assembly comprises a horizontal fine adjusting part and a horizontal coarse adjusting part, the horizontal fine adjusting part comprises a height fine adjusting part and a plurality of height adjusting seats which are uniformly distributed on the hoisting bottom plate, each height adjusting seat is movably connected to the height fine adjusting part so as to horizontally finely adjust the height fine adjusting part, the horizontal coarse adjusting part comprises a vertical support rod and a plurality of telescopic rods, the lower end of the vertical support rod is rotatably mounted on the height fine adjusting part, the two ends of each telescopic rod are connected to the vertical support rod and the height fine adjusting part respectively, and each telescopic rod is uniformly distributed along the circumference of the vertical support rod so as to coarsely adjust the horizontal direction of the vertical support rod, the azimuth adjusting assembly comprises an azimuth outer frame and a first transmission part arranged in the azimuth outer frame, the first transmission part has a first rotation axis, the azimuth outer frame is fixed on the vertical support rod, and the axis of the vertical support rod is parallel to the first rotation axis, the pitch adjusting assembly comprises a pitch outer frame and a second transmission part arranged in the pitch outer frame, the second transmission part has a second rotation axis, the pitch outer frame is fixed on the first transmission part, and the second rotation axis is perpendicular to the first rotation axis, and the horn antenna is fixed to the second transmission part and the opening direction of the horn antenna is perpendicular to the second rotation axis.

[0005] Preferably, the height fine adjusting part comprises a hollow spherical cavity and a plurality of horizontal connecting rods, the hollow spherical cavity comprises two thrust ball shoes connected together, and each horizontal connecting rod is uniformly connected to the hollow spherical cavity in the circumferential direction.

[0006] Preferably, the lower end of the vertical support rod is provided with a ball structure matched with the hollow spherical cavity, and the vertical support rod is rotatable around the hollow spherical cavity.

[0007] Preferably, for each telescopic rod, it comprises a first pull rod, a second pull rod and a locking rod for connecting the first pull rod and the second pull rod, and the first pull rod and the second pull rod are connected to the vertical support rod and the height fine adjusting part respectively.

[0008] Preferably, the telescopic rods are 3-4 in number.

[0009] Preferably, each height adjusting seat comprises a fixed base, a rotating shaft and an end cover, the rotating shaft is rotatably mounted on the fixed base and is fixed by the end cover, and the rotating shaft is screwed on the height fine adjusting part.

[0010] Preferably, the azimuth outer frame and the pitch outer frame are each provided with an angle scale line on the outer side.

[0011] Preferably, the tilt outer frame is fixed on the first transmission member through an adapter to avoid the azimuth adjustment assembly from blocking the free rotation of the horn antenna.

[0012] Preferably, a plurality of lifting rings are arranged on the lifting floor for lifting the lifting floor.

[0013] Overall, compared with the prior art, the above technical solutions conceived by the present application can achieve the following beneficial effects:

[0014] (1) The angle adjustment device of the present application realizes horizontal fine adjustment by the cooperation of the height fine adjustment member and the height adjustment seat, realizes horizontal coarse adjustment by the telescopic rod arranged on the height fine adjustment member, and further realizes omnidirectional adjustment by combining the azimuth adjustment assembly and the tilt adjustment assembly, thereby enhancing the environmental adaptability of the horn antenna.

[0015] (2) The present application greatly simplifies the structure of the horizontal adjustment assembly by the hollow spherical cavity of the height fine adjustment member and the horizontal connecting rod structure, and cooperates with the spherical structure of the vertical support rod to realize the horizontal rotation of the vertical support rod while reducing the weight of the entire structure.

[0016] (3) The tilt adjustment assembly, the azimuth adjustment assembly and the horizontal adjustment assembly of the present application are arranged from top to bottom, and are adjusted from bottom to top, which can avoid the mutual influence between different angle adjustments, thereby improving the efficiency of adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a view of the angle adjustment device of the present application;

[0018] Figure 2 is an elevation view of the horizontal adjustment assembly in the present application;

[0019] Figure 3 is a full sectional view of the azimuth adjustment assembly in the present application;

[0020] Figure 4 is a full sectional view of the tilt adjustment assembly in the present application;

[0021] Figure 5 is a partial sectional view of the horizontal adjustment assembly in the present application;

[0022] Figure 6 is a full sectional view of the height adjustment seat in the present application. DETAILED DESCRIPTION

[0023] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application. In addition, the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0024] According to Figures 1-6 As shown in the drawings, the present application provides an angle adjusting device for a radiation source horn antenna, which comprises a hoisting base plate 1000, a horizontal adjusting assembly 2000, an azimuth adjusting assembly 3000, a pitch adjusting assembly 4000, a horn antenna 5000 and a waveguide assembly 6000 arranged on the angle adjusting device. The horizontal adjusting assembly 2000 is arranged on the hoisting base plate 1000, the azimuth adjusting assembly 3000 is fixed on the horizontal adjusting assembly 2000, the pitch adjusting assembly 4000 is fixed on the azimuth adjusting assembly 3000, and the horn antenna 5000 is arranged on the pitch adjusting assembly 4000.

[0025] The hoisting base plate 1000 is a supporting base plate of the entire angle adjusting device, and a plurality of hoisting rings for hoisting are uniformly arranged on the hoisting base plate 1000, so as to facilitate hoisting of the hoisting base plate 1000 and secondary reinforcement of the horn antenna adjusting device. The hoisting base plate 1000 is made of a relatively thick steel plate, thereby providing stable support for the entire angle adjusting device, avoiding the influence of external unstable environment, and ensuring the reasonable and reliable structure of the entire angle adjusting device.

[0026] The horizontal adjusting assembly 2000 comprises a horizontal fine adjusting part 2100 and a horizontal coarse adjusting part 2200, wherein the horizontal fine adjusting part 2100 comprises a height fine adjusting part 2110 and a height adjusting base 2120; the height fine adjusting part 2110 comprises a hollow ball cavity 2111 and four horizontal connecting rods 2112, the hollow ball cavity 2111 is composed of two thrust ball shoes, and each thrust ball shoe is processed with a plane on both sides to facilitate the butt joint positioning when the two thrust ball shoes are connected together through bolt fasteners; the bolt fasteners are two and respectively fixedly connected with a horizontal connecting rod 2112, and the other two horizontal connecting rods 2112 are respectively connected on one thrust ball shoe through a pre-tightening spring structure, so that when the bolt fasteners are unfastened, the pre-tightening spring can automatically separate the two thrust ball shoes, and the four horizontal connecting rods 2112 are uniformly distributed around the hollow ball cavity 2111. The height adjusting base 2120 has four and each comprises a fixed base 2121, a rotating shaft 2122 and an end cover 2123, wherein the fixed base 2121 is fixed on the hoisting bottom plate 1000, and the rotating shaft 2122 is rotatably installed on the fixed base 2121 through a thrust ball bearing and a deep groove ball bearing, wherein the thrust ball bearing is to facilitate the rotating shaft 2122 to continue to rotate in the bearing state, and the deep groove ball bearing is to make the rotating shaft 2122 have better rotation stability. Each height adjusting base 2120 is respectively screwed on a horizontal connecting rod 2112 through the rotating shaft 2122, so as to adjust the horizontal direction of the height fine adjusting part 2110. The horizontal coarse adjusting part 2200 comprises a vertical support rod 2210 and four telescopic rods 2220, and the lower end of the vertical support rod 2210 is provided with a spherical structure matched with the hollow ball cavity 2111, so that the vertical support rod 2210 can rotate in the hollow ball cavity 2111; each telescopic rod 2220 comprises a first pull rod 2221, a second pull rod 2222 and a locking rod 2223 for connecting the first pull rod 2221 and the second pull rod 2222, and the locking rod 2223 can adjust the length of the entire telescopic rod 2220; the two ends of each telescopic rod 2220 are respectively connected to the vertical support rod 2210 and a horizontal connecting rod 2112, so as to coarsely adjust the horizontal direction of the vertical support rod 2210 through the four telescopic rods 2220, wherein the first pull rod 2221 and the second pull rod 2222 are respectively connected to the vertical support rod 2210 and the horizontal connecting rod 2112.

[0027] The azimuth adjustment assembly 3000 comprises an azimuth outer frame 3100, a first transmission member 3200 and a load turntable 3300, the azimuth outer frame 3100 is a cavity with a hole, the first transmission member 3200 is a worm gear structure and is installed in the azimuth outer frame 3100, and the first transmission member 3200 has a first rotation axis, and the load turntable 3300 is coaxial with the first rotation axis and is arranged on the first transmission member 3200. The azimuth outer frame 3100 is fixed on the vertical support rod 2210, and the first rotation axis is parallel to the axis of the vertical support rod 2210.

[0028] The elevation adjustment assembly 4000 comprises an elevation outer frame 4100, a second transmission member 4200 and an adapter 4300, the elevation outer frame 4100 is a cavity with a hole, the second transmission member 4200 is a worm gear structure and is installed in the elevation outer frame 4100, and the second transmission member 4200 has a second rotation axis; the elevation outer frame 4100 is fixed on the first transmission member 3200 through the adapter 4300, so as to avoid the mutual interference of the azimuth adjustment assembly 3000 and the elevation adjustment assembly 4000, and the first rotation axis is perpendicular to the second rotation axis.

[0029] The horn antenna 5000 is installed on the second transmission member 4200, and the opening direction of the horn antenna 5000 is perpendicular to the second rotation axis, so that the elevation angle of the horn antenna 5000 can be adjusted along with the rotation of the second transmission member 4200.

[0030] The waveguide assembly 6000 comprises a waveguide body 6100 and a fixing clamp 6200, and the waveguide body 6100 is connected with the elevation adjustment assembly 4000 and is fixed on the vertical support rod 2210 through the fixing clamp 6200, so as to realize the reinforcement of the waveguide body 6100 and effectively avoid the stress deformation of the waveguide body 6100 affecting the electrical performance. The adjustment process of the horn antenna 5000 in the horizontal direction, the azimuth direction and the elevation direction through the angle adjustment device is as follows:

[0031] (1) The height fine adjustment member 2110 is adjusted in the horizontal direction through each height adjustment seat 2120 of the horizontal fine adjustment member 2100, so that it has better levelness in the horizontal direction.

[0032] (2) The bolt fastener of the hollow ball cavity 2111 is opened, the thrust ball shoe is automatically popped out through the pre-tightening spring structure of the horizontal connecting rod 2112, and then the verticality of the vertical support rod 2210 is adjusted through the adjustment of the telescopic rod 2220, so as to adjust the levelness of the vertical support rod 2210 in the horizontal direction.

[0033] (3) The azimuth angle of the horn antenna 5000 is adjusted through the first transmission member 3200 of the azimuth adjustment assembly 3000, and the adjustment angle is controlled by referring to the angle scale line.

[0034] (4) Adjust the pitch angle of the horn antenna 5000 through the second transmission member 4200 of the pitch adjusting assembly 4000, and control the adjustment angle by referring to the angle scale.

[0035] The horn antenna 5000 can be adjusted at three angles through the above arrangement, and the horn antenna 5000 can have better horizontal balance and better environmental adaptability through the fine adjustment and coarse adjustment functions of the horizontal adjusting assembly 2000; the horizontal fine adjustment member 2100 and the horizontal coarse adjustment member 2200 both have a connecting rod structure, so that the entire angle adjusting device is more compact in structure and facilitates weight reduction of the entire device, facilitating carrying or moving; the horizontal adjusting assembly 2000, the azimuth adjusting assembly 3000 and the pitch adjusting assembly 4000 are installed from bottom to top on the hoisting bottom plate 1000, and each angle is adjusted from bottom to top when the angle is adjusted, so that the efficiency of angle adjustment can be improved, and rapid adjustment can be achieved.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0038] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "over", "above" and "on top of" the second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature is "under", "below" and "underneath" the second feature can mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0040] Those skilled in the art will easily understand that the above description is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An angle adjustment device for a horn antenna of a radiation source, characterized in that The hoisting bottom plate, the horizontal adjusting assembly, the azimuth adjusting assembly and the elevation adjusting assembly, The horizontal adjusting assembly comprises a horizontal fine adjusting part and a horizontal coarse adjusting part, the horizontal fine adjusting part comprises a height fine adjusting part and a plurality of height adjusting seats uniformly distributed on the hoisting bottom plate, each height adjusting seat is movably connected to the height fine adjusting part, so as to horizontally fine adjust the height fine adjusting part; the height fine adjusting part comprises a hollow ball cavity and a plurality of horizontal connecting rods, the hollow ball cavity comprises two connected thrust ball shoes, and each horizontal connecting rod is uniformly connected to the hollow ball cavity in the circumferential direction; The horizontal coarse adjusting part comprises a vertical supporting rod and a plurality of telescopic rods, the vertical supporting rod is provided with a ball structure matched with the hollow ball cavity at the lower end, and the vertical supporting rod can rotate around the hollow ball cavity, so that the lower end of the vertical supporting rod is rotatably installed on the height fine adjusting part, the two ends of each telescopic rod are connected to the vertical supporting rod and the height fine adjusting part respectively, and each telescopic rod is uniformly distributed along the circumferential direction of the vertical supporting rod, so as to coarsely adjust the horizontal direction of the vertical supporting rod; The azimuth adjusting assembly comprises an azimuth outer frame and a first transmission part arranged in the azimuth outer frame, the first transmission part has a first rotation axis, the azimuth outer frame is fixed on the vertical supporting rod, and the axis of the vertical supporting rod is parallel to the first rotation axis; The elevation adjusting assembly comprises an elevation outer frame and a second transmission part arranged in the elevation outer frame, the second transmission part has a second rotation axis, the elevation outer frame is fixed on the first transmission part, and the second rotation axis is perpendicular to the first rotation axis; The horn antenna is fixed to the second transmission part, and the opening direction of the horn antenna is perpendicular to the second rotation axis.

2. An angle adjustment device for a horn antenna of a radiation source according to claim 1, characterized in that For each telescopic rod, it comprises a first pull rod, a second pull rod and a locking rod for connecting the first pull rod and the second pull rod, and the first pull rod and the second pull rod are connected to the vertical supporting rod and the height fine adjusting part respectively.

3. An angle adjustment device for a horn antenna of a radiation source according to claim 1, characterized in that The telescopic rod has 3-4 telescopic rods.

4. The angle adjustment device for a horn antenna of a radiation source according to claim 1, characterized in that Each height adjusting seat comprises a fixed base, a rotating shaft and an end cover, the rotating shaft is rotatably installed on the fixed base and is fixed by the end cover, and the rotating shaft is screwed on the height fine adjusting part.

5. The angle adjustment device for a horn antenna of a radiation source according to claim 1, characterized in that The azimuth outer frame and the elevation outer frame are both provided with angle scale lines on the outer sides.

6. An angle adjustment device for a horn antenna of a radiation source according to claim 1, characterized in that The elevation outer frame is fixed on the first transmission part through an adapter, so as to avoid that the azimuth adjusting assembly blocks the free rotation of the horn antenna.

7. An angle adjustment device for a horn antenna of a radiation source according to claim 1, characterized in that A plurality of lifting rings for lifting the hoisting bottom plate are arranged on the hoisting bottom plate.

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