CN218300243U - Antenna housing testing device for enlarging antenna scanning range - Google Patents
Antenna housing testing device for enlarging antenna scanning range Download PDFInfo
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- CN218300243U CN218300243U CN202221875329.9U CN202221875329U CN218300243U CN 218300243 U CN218300243 U CN 218300243U CN 202221875329 U CN202221875329 U CN 202221875329U CN 218300243 U CN218300243 U CN 218300243U
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Abstract
The utility model belongs to the field of antenna housing electrical property tests, and discloses an antenna housing testing device for expanding the antenna scanning range, wherein a fixed support rod is in a long column shape, the rear end of the fixed support rod is connected with an antenna housing turntable through a positioning pin and a bolt, and the front end of the fixed support rod is provided with an up-down fine adjustment mechanism; the left and right fine adjustment mechanism is arranged at the front end of the up and down fine adjustment mechanism, the front and back fine adjustment mechanism is arranged at the front end of the left and right fine adjustment mechanism, the rolling fine adjustment mechanism is arranged at the front end of the front and back fine adjustment mechanism, and the polarization rotation structure is arranged at the front end of the rolling fine adjustment mechanism; the angle offset seat is arranged at the front end of the polarization rotating structure; the antenna to be tested is installed on the angle offset seat through the antenna seat, the angle offset seat includes: the offset plate is connected with the cross-shaped fixed seat through a cylinder, and the included angle between the normal line of the offset plate and the axis of the cylinder is alpha; the alpha angle range is 10 degrees to 20 degrees; the angle offset seat is combined with the antenna seat, so that the scanning range of the antenna is enlarged.
Description
Technical Field
The utility model belongs to antenna house electrical property test field, in particular to antenna house testing arrangement for enlarging antenna scanning range.
Background
The antenna housing is used for bearing pneumatic load, protecting the antenna and transmitting electromagnetic waves to meet the functional requirements of a task system, the electrical performance is an important performance parameter of the antenna housing, and a basic means for objectively evaluating the electrical performance of the antenna housing through electrical performance testing is provided. In recent years, with the development of radar antenna technology, the performance of the antenna in frequency domain and angular domain is greatly expanded. In the aspect of millimeter wave antenna housing test, the scanning angle of the antenna is expanded from +/-30 degrees to +/-45 degrees to +/-50 degrees. In the traditional millimeter wave antenna housing test system, the millimeter wave antenna base can only cover the range of +/-30 degrees due to narrow space. The expansion of the scanning angle domain brings new problems to the antenna cover testing system.
SUMMERY OF THE UTILITY MODEL
In order to solve the narrow problem of traditional millimeter wave antenna house electrical property test scanning range fast, satisfy the needs of the big antenna scanning range of antenna house electrical property test system, this application provides an antenna house testing arrangement for enlarging antenna scanning range.
An antenna cover testing device for expanding an antenna scanning range, comprising: the device comprises a fixed supporting rod, an up-down fine adjustment mechanism, a left-right fine adjustment mechanism, a front-back fine adjustment mechanism, a rolling fine adjustment mechanism, a polarization rotation structure and an angle deviation seat.
The fixing support rod is in a long cylindrical shape and has enough strength, the rear end of the fixing support rod is connected with the radome turntable through a positioning pin and a bolt, and the front end of the fixing support rod is provided with an up-down fine adjustment mechanism; the left and right fine adjustment mechanisms are arranged at the front ends of the up and down fine adjustment mechanisms, the front and back fine adjustment mechanisms are arranged at the front ends of the left and right fine adjustment mechanisms, the rolling fine adjustment mechanisms are arranged at the front ends of the front and back fine adjustment mechanisms, and the polarization rotation structures are arranged at the front ends of the rolling fine adjustment mechanisms; the angle offset seat is arranged at the front end of the polarization rotating structure; the antenna to be tested is installed on the angle offset seat through the antenna seat.
The fine adjustment mechanism includes: the upper and lower fine adjustment mechanism comprises an upper and lower fine adjustment mechanism bottom plate, an upper and lower fine adjustment mechanism movable plate, a spiral ruler seat and an upper and lower fine adjustment mechanism locking sheet, wherein the upper and lower fine adjustment mechanism bottom plate is connected with the upper and lower fine adjustment mechanism movable plate through a precise linear guide rail.
The left and right fine adjustment mechanisms and the front and rear fine adjustment mechanisms are the same as the up and down fine adjustment mechanisms in composition.
The roll fine-tuning mechanism includes: the device comprises a rolling fine adjustment mechanism bottom plate, a polarization rotation mechanism mounting plate, a rolling adjustment fixing seat and a rolling adjustment bolt.
The angle-biasing seat includes: the device comprises a cross-shaped fixed seat and an offset plate, wherein the offset plate is connected with the cross-shaped fixed seat through a cylinder, and an included angle between the normal of the offset plate and the axis of the cylinder is alpha; the alpha angle range is 10 degrees to 20 degrees; the scanning range of the antenna is enlarged by driving the angle offset seat to rotate.
Furthermore, the up-down fine adjustment mechanism moves up and down in a vertical plane and is used for driving the left-right fine adjustment mechanism, the front-back fine adjustment mechanism, the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move up and down.
Furthermore, the left and right fine adjustment mechanisms move in a horizontal plane and are used for driving the rolling fine adjustment mechanism, the front and back fine adjustment mechanisms, the polarization rotation structure and the angle offset seat to move horizontally.
Furthermore, the front and back fine adjustment mechanism moves in the front and back direction and is used for driving the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move horizontally.
Further, the rolling fine adjustment mechanism rolls around the installation normal direction of the rolling fine adjustment mechanism and is used for driving the polarization rotation structure and the angle offset seat to rotate.
Further, the polarization rotation structure includes: the mounting seat and the cross-shaped positioning structure;
the mounting seat is connected with the cross-shaped positioning structure through a cylinder, the mounting seat is connected with the rolling fine adjustment mechanism, and the cross-shaped positioning structure is connected with the cross-shaped fixing seat of the angle deviation seat.
Furthermore, a clamping groove is formed in the cross-shaped positioning structure, a limiting block is arranged on the cross-shaped fixing seat of the angle deviation seat, and the limiting block is matched with the clamping groove to limit the cross-shaped positioning structure to rotate relative to the cross-shaped fixing seat.
Has the beneficial effects that: through this application the device, can be under shorter cycle and lower cost, solve the restriction that traditional antenna pedestal scanning range is little, very big improvement the flexibility that the antenna pedestal used, show the scanning range who has expanded the antenna, solved antenna cover test system in the difficult problem of antenna measurement on a large scale.
Drawings
Fig. 1 is a schematic diagram of an antenna cover testing apparatus for enlarging an antenna scanning range;
FIG. 2 is a perspective view of a polarization rotation structure and an angle offset base;
in the figure, 1-a fixed support rod, 2-a positioning pin, 3-an up-down fine adjustment mechanism, 4-a left-right fine adjustment mechanism, 5-a front-back fine adjustment mechanism, 6-a rolling fine adjustment mechanism, 7-a polarization rotation structure, 8-an angle offset seat, 9-a mounting seat and 10-a clamping groove;
FIG. 3 is a perspective view of the vertical fine adjustment mechanism, the horizontal fine adjustment mechanism, and the vertical fine adjustment mechanism;
in the figure, 11-a bottom plate of the up-down fine adjustment mechanism, 12-a movable plate of the up-down fine adjustment mechanism, 13-a spiral ruler seat, 14-a spiral ruler and 15-a locking sheet of the up-down fine adjustment mechanism;
FIG. 4 is a schematic view of a roll fine adjustment mechanism;
in the figure, a 16-rolling fine adjustment mechanism bottom plate, a 17-polarization rotation mechanism mounting plate, a 18-rolling adjustment fixing seat, a 19-rolling adjustment bolt and a 20-rolling locking bolt are arranged.
Detailed Description
An antenna housing testing device for expanding the antenna scanning range is composed of a fixed support rod 1, an up-down fine adjustment mechanism 3, a left-right fine adjustment mechanism 4, a front-back fine adjustment mechanism 5, a rolling fine adjustment mechanism 6, a polarization rotation structure 7 and an angle deviation seat 8, as shown in figure 1.
The rear end of the fixed supporting rod is connected with the radome turntable through a positioning pin 2 and a bolt, the up-down fine adjustment mechanism is installed at the front end of the fixed supporting rod, the left-right fine adjustment mechanism is installed at the front end of the up-down fine adjustment mechanism, the front-back fine adjustment mechanism is installed at the front end of the left-right fine adjustment mechanism, the rolling fine adjustment mechanism is installed at the front end of the front-back fine adjustment mechanism, the polarization rotation structure is connected with the rolling fine adjustment mechanism through the positioning pin and the bolt, and the angle offset seat is connected with the polarization rotation structure through the clamping groove and the bolt.
The up-down fine adjustment mechanism can move in the direction vertical to the ground plane as shown in fig. 3 and is used for driving the up-down movement of the left-right fine adjustment mechanism, the front-back fine adjustment mechanism, the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat, so that the accurate positioning of the antenna in the vertical direction is realized;
the left and right fine adjustment mechanism can move left and right in the horizontal plane and is used for driving the front and back fine adjustment mechanism, the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move left and right, so that the antenna can be accurately positioned in the left and right directions in the horizontal plane;
the front and back fine adjustment mechanism can move back and forth in the horizontal plane and is used for driving the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move back and forth, so that the precise positioning of the antenna in the front and back directions in the horizontal plane is realized; the position adjusting method in the left-right direction and the front-back direction is the same as the adjusting method of the up-down fine adjustment mechanism;
as shown in fig. 4, the rolling fine adjustment mechanism can roll around the normal direction of the installation surface of the rolling fine adjustment mechanism and is used for driving the polarization rotation structure and the angle offset seat to rotate, so that the precise positioning of the antenna polarization is realized; when the rolling fine adjustment mechanism is adjusted, firstly loosening the rolling locking bolt, then adjusting the two rolling adjusting bolts, after the position is determined, locking the two rolling adjusting bolts, and then locking the rolling locking bolt;
the polarization rotating structure is composed of a mounting seat 9, a support rod and a cross-shaped positioning structure as shown in fig. 2, wherein the cross-shaped positioning structure is provided with a clamping groove 10 and a bolt hole, and the angle offset seat can be rotated by 90 degrees, 180 degrees and 270 degrees, so that the polarization of the antenna can be switched. The front end face and the rear end installation face of the angle deviation seat form a fixed angle, and the antenna seat is connected with the angle deviation face through the positioning hole and the bolt and used for expanding the scanning range of the antenna.
Claims (7)
1. The utility model provides an antenna house testing arrangement for enlarging antenna sweep range which characterized in that: the device comprises: the device comprises a fixed support rod, an up-down fine adjustment mechanism, a left-right fine adjustment mechanism, a front-back fine adjustment mechanism, a rolling fine adjustment mechanism, a polarization rotation structure and an angle deviation seat;
the rear end of the fixed supporting rod is connected with the radome turntable through a positioning pin and a bolt, and the front end of the fixed supporting rod is provided with an up-down fine adjustment mechanism; the left and right fine adjustment mechanisms are arranged at the front ends of the up and down fine adjustment mechanisms, the front and back fine adjustment mechanisms are arranged at the front ends of the left and right fine adjustment mechanisms, the rolling fine adjustment mechanisms are arranged at the front ends of the front and back fine adjustment mechanisms, and the polarization rotation structures are arranged at the front ends of the rolling fine adjustment mechanisms; the angle offset seat is arranged at the front end of the polarization rotating structure; the antenna to be tested is arranged on the angle offset seat through the antenna seat;
the angle-biasing seat includes: the device comprises a cross-shaped fixed seat and an offset plate, wherein the offset plate is connected with the cross-shaped fixed seat through a cylinder, and an included angle between the normal of the offset plate and the axis of the cylinder is alpha; the alpha angle range is 10 degrees to 20 degrees; the angle offset seat is combined with the antenna seat, so that the scanning range of the antenna is enlarged.
2. The apparatus of claim 1, wherein: the upper and lower fine adjustment mechanisms move up and down in a vertical plane and are used for driving the left and right fine adjustment mechanisms, the front and rear fine adjustment mechanisms, the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move up and down;
the fine adjustment mechanism includes: the upper and lower fine adjustment mechanism comprises an upper and lower fine adjustment mechanism bottom plate, an upper and lower fine adjustment mechanism movable plate, a spiral ruler seat and an upper and lower fine adjustment mechanism locking sheet, wherein the upper and lower fine adjustment mechanism bottom plate is connected with the upper and lower fine adjustment mechanism movable plate through a precise linear guide rail.
3. The apparatus of claim 2, wherein: the left and right fine adjustment mechanism moves left and right in a horizontal plane and is used for driving the front and back fine adjustment mechanism, the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move left and right;
the left and right fine adjustment mechanism comprises: the left and right fine adjustment mechanism bottom plate, the left and right fine adjustment mechanism movable plate, the spiral ruler seat and the left and right fine adjustment mechanism locking sheet are connected through a precise linear guide rail.
4. The apparatus of claim 3, wherein: the front and back fine adjustment mechanism moves in the front and back direction in the horizontal plane and is used for driving the rolling fine adjustment mechanism, the polarization rotation structure and the angle offset seat to move back and forth;
the front and rear fine adjustment mechanism comprises: the front and back fine adjustment mechanism comprises a front and back fine adjustment mechanism bottom plate, a front and back fine adjustment mechanism movable plate, a spiral ruler seat and a front and back fine adjustment mechanism locking piece, wherein the front and back fine adjustment mechanism bottom plate is connected with the front and back fine adjustment mechanism movable plate through a precise linear guide rail.
5. The apparatus of claim 4, wherein: the rolling fine adjustment mechanism rolls around the installation normal direction of the rolling fine adjustment mechanism and is used for driving the polarization rotating structure and the angle offset seat to rotate;
the roll fine-tuning mechanism includes: the device comprises a rolling fine adjustment mechanism bottom plate, a polarization rotation mechanism mounting plate, a rolling adjustment fixing seat and a rolling adjustment bolt.
6. The apparatus of claim 5, wherein: the polarization rotation structure includes: the mounting seat and the cross-shaped positioning structure;
the mounting seat is connected with the cross-shaped positioning structure through a cylinder, the mounting seat is connected with the rolling fine adjustment mechanism, and the cross-shaped positioning structure is connected with the cross-shaped fixing seat of the angle deviation seat.
7. The apparatus of claim 6, wherein: the cross positioning structure is provided with a clamping groove, the cross fixing seat of the angle deviation seat is provided with a limiting block, and the limiting block is matched with the clamping groove to limit the cross positioning structure to rotate relative to the cross fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221875329.9U CN218300243U (en) | 2022-07-20 | 2022-07-20 | Antenna housing testing device for enlarging antenna scanning range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221875329.9U CN218300243U (en) | 2022-07-20 | 2022-07-20 | Antenna housing testing device for enlarging antenna scanning range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218300243U true CN218300243U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221875329.9U Active CN218300243U (en) | 2022-07-20 | 2022-07-20 | Antenna housing testing device for enlarging antenna scanning range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218300243U (en) |
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2022
- 2022-07-20 CN CN202221875329.9U patent/CN218300243U/en active Active
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