CN210802364U

CN210802364U - Device for detecting satellite antenna processing accuracy

Info

Publication number: CN210802364U
Application number: CN201921532750.8U
Authority: CN
Inventors: 夏环; 鞠正峰; 孙俊
Original assignee: NANJING CHINA-SPACENET SATELLITE TELECOM CO LTD
Current assignee: NANJING CHINA-SPACENET SATELLITE TELECOM CO LTD
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-19
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a device for detecting satellite antenna machining degree of accuracy, the device include satellite antenna body portion, satellite antenna body portion includes antenna face, antenna face back of the body frame, feed support and antenna pedestal, the antenna face passes through antenna face back of the body frame is installed on the antenna pedestal, the one end of feed support is installed on the antenna pedestal, the other end of feed support still is equipped with measuring component. The utility model discloses a device for detecting satellite antenna machining degree of accuracy detects the precision accurate, and convenient operation, the effectual error of having avoided existing in the ruler measurement is big, measure unsafe problem for this device easy operation more has practical value.

Description

Device for detecting satellite antenna processing accuracy

Technical Field

The utility model relates to a satellite communication field, concretely relates to a device for detecting satellite antenna machining degree of accuracy.

Background

Satellite antennas are a class of devices responsible for reflecting satellite signals into feed and tuner located at a focal point. The function of the device is to collect weak signals from the satellite and to remove noise as much as possible. Satellite antennas are used in various fields due to their excellent signal-collecting characteristics.

The existing satellite communication antenna mainly comprises an antenna face, a feed source, a support, azimuth transmission, pitching transmission, polarization transmission and the like, and the accuracy of the relative position and angle between the antenna face and the feed source directly influences various performances of the antenna such as gain, a directional diagram and the like. The antenna surface is installed on the antenna pedestal through an antenna surface back frame, the feed source component is installed on the antenna pedestal through a feed source support, and the antenna surface and the feed source component are connected through a mechanical component to keep a relative position relation.

At present, the satellite antenna is primarily detected before leaving a factory by measuring the diagonal distance of four corners of a feed source component and an antenna surface by a ruler and comparing the diagonal distance with a theoretical distance, and if the distance is within a certain error range, the installation position is considered to be accurate. However, the method using manual measurement has certain disadvantages, firstly, there is a certain error in the reading, and secondly, the ruler may be deformed during long-distance measurement to cause inaccurate reading.

Based on the above, a device for detecting the processing accuracy of the satellite antenna is expected, and the device can effectively solve the problems of large error and inaccurate reading in the existing detection method.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that will solve and the technical scheme that provides are improved prior art to a device for detecting the satellite antenna machining degree of accuracy is provided, the device can effectively solve exist among the current detection method for the error is big, the unsafe problem of reading, the device simple structure that discloses, measure accurate, convenient to use.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an embodiment of the utility model provides a device for detecting satellite antenna machining degree of accuracy, its characterized in that: the device comprises a satellite antenna body part, wherein the satellite antenna body part comprises an antenna surface, an antenna surface back frame, a feed source support and an antenna pedestal, the antenna surface is installed on the antenna pedestal through the antenna surface back frame, one end of the feed source support is installed on the antenna pedestal, and the other end of the feed source support is also provided with a measuring assembly.

According to the utility model discloses a device for detecting satellite antenna degree of processing accuracy that above-mentioned an embodiment provided, wherein measuring unit includes mounting plate, multi-angle measurement rotating-structure and laser range finder, mounting plate fixes keeping away from of feed support the one end of antenna pedestal, multi-angle measurement rotating-structure sets up the mounting plate top, laser range finder fixes on the multi-angle measurement rotating-structure.

According to the device for detecting the processing accuracy of the satellite antenna provided by the above one embodiment of the present invention, the mounting base plate is a rectangular flat structure, and is fixed to one end of the feed source support far away from the antenna pedestal by screws and kept in a horizontal state; the multi-angle measuring rotating structure comprises an azimuth rotating element, a pitching rotating element and a laser range finder pressing plate, wherein the azimuth rotating element is arranged on the upper surface of the mounting base plate through an azimuth rotating shaft and can rotate horizontally relative to the mounting base plate, the azimuth rotating element and the pitching rotating element are connected together through the pitching rotating shaft, the pitching rotating element can rotate up and down relative to the azimuth rotating element, and the laser range finder is fixed in a hollow part formed between the pitching rotating element and the laser range finder pressing plate.

According to the present invention, there is provided a device for detecting satellite antenna processing accuracy, wherein the azimuth rotating element includes a first bottom plate and two first side plates, and the two first side plates are integrally formed at two ends of the first bottom plate and perpendicular to the first bottom plate along a same direction; the pitching rotating element comprises a second bottom plate and two second side plates, and the two second side plates are integrally formed at two ends of the second bottom plate and are vertical to the second bottom plate along the same direction; the laser range finder pressing plate comprises a third bottom plate and two third side plates, wherein the two third side plates are integrally formed at two ends of the third bottom plate and are perpendicular to the third bottom plate along the same direction.

According to the utility model discloses a device for detecting satellite antenna machining accuracy that above-mentioned one embodiment provided, wherein the first bottom plate length is greater than the second bottom plate, the second bottom plate length is greater than the third bottom plate; the first bottom plate is connected with the mounting bottom plate through an azimuth rotating shaft; the two second side plates are arranged between the two first side plates and are connected through the pitching rotation rotating shaft; the two third side plates are fixed above the second bottom plate through screws, a hollow part is formed between the two third side plates and the second bottom plate, and the hollow part is used for placing the laser range finder and fixing the laser range finder.

According to the device for detecting the satellite antenna processing accuracy provided by one of the above embodiments of the present invention, the two first side plates are further respectively provided with a first hole, the two second side plates are further respectively provided with a third hole, and the first hole is aligned with the third hole and is used for inserting a pitching rotation positioning pin, so as to fix the position of the pitching rotation element; the first bottom plate is further provided with a second hole, the mounting bottom plate is further provided with a fourth hole, and the second hole is aligned with the fourth hole and used for inserting an azimuth rotating positioning pin so as to fix the position of the azimuth rotating element.

According to the present invention, in the device for detecting the processing accuracy of a satellite antenna, the azimuth rotation axis is disposed on one side of the first bottom plate away from the antenna surface, and the second hole is disposed on one side of the first bottom plate close to the antenna surface; the two pitching rotating shafts are respectively arranged at one end of the two first side plates, which is far away from the first bottom plate; the first holes comprise two holes which are respectively arranged at one ends of the two first side plates close to the first bottom plate; the third holes include two which are respectively aligned with the first holes.

According to the utility model discloses a device for detecting satellite antenna machining degree of accuracy that above-mentioned an embodiment provided, wherein feed support length is 1.2m, the antenna face with feed support's one end is fixed with 72.5 on the antenna pedestal, feed support's the other end with the center distance of antenna face is 1.08 m.

To sum up, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up the diagonal distance that measuring unit measured feed source part and antenna face four corners on the feed support, replaced original artifical ruler that uses, it detects the precision accurate, convenient operation, effectual error of having avoided existing in the ruler measurement is big, measure unsafe problem.

(2) The measuring component comprises a laser range finder and a multi-angle measuring rotating structure, the laser range finder is fixed on the multi-angle measuring rotating structure, and the multi-angle measuring rotating structure can drive the laser range finder to rotate in the horizontal direction and the up-down direction, so that the diagonal distances of four corners of the feed source part and the antenna surface are accurately measured.

(3) In addition, the measuring component is detachably arranged on the feed source support, and the component is detached and the feed source is installed when the measurement is finished, so that the operation is simple, and the practical value is high.

Drawings

The present invention will be further described with reference to the accompanying drawings, in which:

FIG. 1 shows a prior art satellite antenna structure;

FIG. 2 is a block diagram of the satellite antenna shown in FIG. 1 with the feed removed and a measurement assembly installed;

FIG. 3 is an enlarged partial view of the measurement assembly shown in FIG. 2;

FIG. 4 is a first state of use diagram of the measurement assembly shown in FIG. 2;

FIG. 5 is a second state of use diagram of the measurement assembly shown in FIG. 2;

FIG. 6 is a third state of use diagram of the measurement assembly shown in FIG. 2;

fig. 7 is a fourth state of use diagram of the measurement assembly shown in fig. 2.

Wherein the various designations in the drawings are: 1. an antenna surface; 2. a feed source; 3. an antenna surface back frame; 4. a feed source support; 5. an antenna mount; 6. an azimuth pitching rotation seat; 7. a measurement assembly; 8. mounting a bottom plate; 9. a multi-angle measuring rotating structure; 10. a laser range finder; 11. an azimuth turning element; 12. a pitch rotating element; 13. a laser range finder press plate; 14. an azimuth rotation shaft; 15. a pitching rotation rotating shaft; 16. a first base plate; 17. a first side plate; 18. a second base plate; 19. a second side plate; 20. a third base plate; 21. a third side plate; 22. pitching rotation positioning pins; 23. the orientation rotates the locating pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be noted that the drawings are merely illustrative and not to be drawn to strict scale, and that some portions may be enlarged or reduced for convenience of description, and some default may be made for a known portion.

Fig. 1 shows a prior art satellite antenna structure. As shown in fig. 1, the satellite antenna includes an antenna surface 1, a feed source 2, an antenna surface back frame 3, a feed source support 4 and an antenna pedestal 5. The antenna surface 1 is mounted on an antenna pedestal 5 through an antenna surface back frame 3. The feed source support 4 is 1.2m long. One end of the feed source support 4 is mounted on the antenna pedestal 5 and forms 72.5 degrees with the antenna face 1. The other end of the feed source support 4 is provided with the feed source 2, and the distance between the feed source and the center of the antenna face 1 is 1.08 m. The antenna face back frame 3 comprises an azimuth elevation rotation seat 6 which is positioned in a space formed between one end of the feed source support 4 connected with the antenna seat 5 and the antenna seat 5.

FIG. 2 is a block diagram of the satellite antenna shown in FIG. 1 with the feed removed and a measurement assembly installed; fig. 3 is a partial enlarged view of the measurement assembly shown in fig. 2. As shown in fig. 2 and 3, the satellite antenna has the feed 2 removed and a measurement component 7 is installed at the position of the original feed 2. The measuring assembly 7 comprises a mounting base plate 8, a multi-angle measuring rotating structure 9 and a laser range finder 10. Mounting plate 8 is fixed in the one end of keeping away from antenna pedestal 5 of feed support 4, and multi-angle measurement rotating-structure 9 sets up in mounting plate 8 top, and laser range finder 10 is fixed on multi-angle measurement rotating-structure 9. The mounting base plate 8 is a rectangular flat structure and is fixed at one end of the feed source support 4 far away from the antenna pedestal 5 through screws and keeps a horizontal state. The multi-angle measuring swivel 9 includes an azimuth swivel 11, a pitch swivel 12, and a laser rangefinder platen 13. The azimuth rotator 11 is provided on the upper surface of the mounting base plate 8 via an azimuth rotation shaft 14 and is horizontally rotatable with respect to the mounting base plate 8. The pitch rotation element 12 and the azimuth rotation element 11 are connected together by a pitch rotation shaft 15 and can rotate up and down with respect to the azimuth rotation element 11. The laser rangefinder 10 is fixed in a hollow portion formed between the tilt rotating member 12 and the laser rangefinder platen 13.

Specifically, the azimuth rotator 11 includes a first bottom plate 16 and two first side plates 17. Two first side plates 17 are integrally formed at both ends of the first bottom plate 16 and are perpendicular to the first bottom plate 16 in the same direction. The pitch turning element 12 comprises a second base plate 18 and two second side plates 19. Two second side plates 19 are integrally formed at both ends of the second base plate 18 and are perpendicular to the second base plate 18 in the same direction. The laser range finder press plate 13 includes a third bottom plate 20 and two third side plates 21. Two third side plates 21 are integrally formed at both ends of the third bottom plate 20 and are perpendicular to the third bottom plate 20 in the same direction. The first floor 16 is longer than the second floor 18 and the second floor 18 is longer than the third floor 20. The first base plate 16 is connected with the mounting base plate 8 through an azimuth rotation rotating shaft 14. Two second side plates 19 are provided between the two first side plates 17 and are connected by the pitch rotation shaft 15. The two third side plates 21 are L-shaped and fixed above the second bottom plate 18 by screws to form a hollow part with the second bottom plate 18, and are used for placing the laser distance measuring instrument 10 and fixing the laser distance measuring instrument 10. The two first side plates 17 are also provided with respective first holes (not shown) and the two second side plates 18 are also provided with respective third holes (not shown), which are aligned for inserting pitch rotation positioning pins 22 for fixing the position of the pitch rotation element 12. The first base plate 16 is also provided with a second hole (not shown) and the mounting base plate 8 is also provided with a fourth hole (not shown) aligned with the second hole for inserting the azimuth rotator positioning pin 23 to fix the position of the azimuth rotator 11. Preferably, the azimuth rotation shaft 14 is provided on a side of the first chassis 16 away from the antenna face 1, and the second hole is provided on a side of the first chassis 16 close to the antenna face 1. The pitch rotation shafts 15 include two, which are respectively disposed at one ends of the two first side plates 17 far from the first bottom plate 16. The first holes include two holes, which are respectively disposed at one ends of the two first side plates 17 close to the first bottom plate 16. The third holes include two which are respectively aligned with the first holes.

Based on above structural feature, can understand the utility model discloses a measuring component's theory of operation. As shown in fig. 1 to 7, the azimuth rotator 11 and the pitch rotator 12 of the multi-angle measuring rotator 9 are first adjusted to the neutral positions, respectively, and fixed by the azimuth alignment pin 23 and the pitch alignment pin 22. The power of the laser range finder 10 is turned on, the laser point is aligned to a point a on the antenna surface (the point a is the intersection point of the central axis of the feed source and the antenna surface, and the point a is molded on the antenna mold), then the reading of the laser range finder 10 is read, and the laser range finder 10 is moved back and forth to the theoretical focal position according to the reading. Next, the azimuth rotator 11 is adjusted to the azimuth position I shown in fig. 4, and the azimuth alignment pin 23 is inserted into the second hole to fix the position thereof, and the reading of the laser rangefinder is read and the reading a is recorded. And adjusting the azimuth rotating element 11 to an azimuth position II shown in figure 5, inserting an azimuth positioning pin 23 into the second hole to fix the position of the azimuth rotating element, reading the reading of the laser range finder, and recording the reading b. Then, the azimuth rotator 11 is returned to the neutral position, and the azimuth alignment pin 23 is inserted to be fixed. Then, the elevation rotation member 12 is adjusted to the azimuth position III as shown in fig. 6, and the elevation rotation positioning pin 22 is inserted into the first hole to fix the position thereof, and the reading of the laser rangefinder is read and the reading c is recorded. The pitch rotating member 12 is adjusted to the azimuth position IV as shown in fig. 7, and the pitch rotating positioning pin 22 is inserted into the first hole to fix the position, and the reading of the laser range finder is read and the reading d is recorded. And finally, comparing the measured readings a, b, c and d with theoretical values, and if the error is within 2mm, determining that the structure machining precision meets the requirement.

To sum up, the utility model discloses a set up the diagonal distance that measuring unit measured feed part and antenna face four corners on the feed support, replaced original artifical ruler that uses, it detects the precision accurate, convenient operation, effectual error of having avoided existing in the ruler measurement is big, measure unsafe problem. The measuring component comprises a laser range finder and a multi-angle measuring rotating structure, the laser range finder is fixed on the multi-angle measuring rotating structure, and the multi-angle measuring rotating structure can drive the laser range finder to rotate in the horizontal direction and the up-down direction, so that the diagonal distances of four corners of the feed source part and the antenna surface are accurately measured. In addition, the measuring component is detachably arranged on the feed source support, and the component is detached and the feed source is installed when the measurement is finished, so that the operation is simple, and the practical value is high.

The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above only are embodiments of the present invention, and are not intended to limit the present invention in any form, and all the technical matters of the present invention include any simple modification, equivalent changes and modifications made to the above embodiments, which all fall within the scope of the technical solutions of the present invention.

Claims

1. An apparatus for detecting satellite antenna processing accuracy, characterized by: the device comprises a satellite antenna body part, wherein the satellite antenna body part comprises an antenna surface, an antenna surface back frame, a feed source support and an antenna pedestal, the antenna surface is installed on the antenna pedestal through the antenna surface back frame, one end of the feed source support is installed on the antenna pedestal, and the other end of the feed source support is also provided with a measuring assembly.

2. The apparatus for detecting the machining accuracy of a satellite antenna according to claim 1, wherein: the measuring component comprises a mounting base plate, a multi-angle measuring rotating structure and a laser range finder, wherein the mounting base plate is fixed at one end of the feed source support far away from the antenna pedestal, the multi-angle measuring rotating structure is arranged above the mounting base plate, and the laser range finder is fixed on the multi-angle measuring rotating structure.

3. The apparatus for detecting the satellite antenna processing accuracy according to claim 2, wherein: the mounting base plate is of a cuboid flat structure and is fixed at one end, far away from the antenna pedestal, of the feed source support through a screw and kept in a horizontal state; the multi-angle measuring rotating structure comprises an azimuth rotating element, a pitching rotating element and a laser range finder pressing plate, wherein the azimuth rotating element is arranged on the upper surface of the mounting base plate through an azimuth rotating shaft and can rotate horizontally relative to the mounting base plate, the azimuth rotating element and the pitching rotating element are connected together through the pitching rotating shaft, the pitching rotating element can rotate up and down relative to the azimuth rotating element, and the laser range finder is fixed in a hollow part formed between the pitching rotating element and the laser range finder pressing plate.

4. The apparatus for detecting the satellite antenna processing accuracy according to claim 3, wherein: the azimuth rotating element comprises a first bottom plate and two first side plates, wherein the two first side plates are integrally formed at two ends of the first bottom plate and are perpendicular to the first bottom plate along the same direction; the pitching rotating element comprises a second bottom plate and two second side plates, and the two second side plates are integrally formed at two ends of the second bottom plate and are vertical to the second bottom plate along the same direction; the laser range finder pressing plate comprises a third bottom plate and two third side plates, wherein the two third side plates are integrally formed at two ends of the third bottom plate and are perpendicular to the third bottom plate along the same direction.

5. The apparatus for detecting the machining accuracy of a satellite antenna according to claim 4, wherein: the first bottom plate is longer than the second bottom plate, and the second bottom plate is longer than the third bottom plate; the first bottom plate is connected with the mounting bottom plate through an azimuth rotating shaft; the two second side plates are arranged between the two first side plates and are connected through the pitching rotation rotating shaft; the two third side plates are fixed above the second bottom plate through screws, a hollow part is formed between the two third side plates and the second bottom plate, and the hollow part is used for placing the laser range finder and fixing the laser range finder.

6. The apparatus for detecting the satellite antenna processing accuracy according to claim 4 or 5, wherein: the two first side plates are respectively provided with a first hole, the two second side plates are respectively provided with a third hole, and the first holes are aligned with the third holes and used for inserting pitching rotation positioning pins so as to fix the position of the pitching rotation element; the first bottom plate is further provided with a second hole, the mounting bottom plate is further provided with a fourth hole, and the second hole is aligned with the fourth hole and used for inserting an azimuth rotating positioning pin so as to fix the position of the azimuth rotating element.

7. The apparatus for detecting the satellite antenna processing accuracy according to claim 6, wherein: the azimuth rotation rotating shaft is arranged on one side of the first bottom plate far away from the antenna surface, and the second hole is arranged on one side of the first bottom plate close to the antenna surface; the two pitching rotating shafts are respectively arranged at one end of the two first side plates, which is far away from the first bottom plate; the first holes comprise two holes which are respectively arranged at one ends of the two first side plates close to the first bottom plate; the third holes include two which are respectively aligned with the first holes.

8. The apparatus for detecting the machining accuracy of a satellite antenna according to claim 1, wherein: the length of the feed source support is 1.2m, the antenna surface and one end of the feed source support are fixed on the antenna seat at an angle of 72.5 degrees, and the distance between the other end of the feed source support and the center of the antenna surface is 1.08 m.