A support structure for terahertz frequency range compact range RCS testing

Abstract

The present application relates to the technical field of microwave test, and more particularly to a support structure for tight-field RCS test in terahertz frequency band, comprising a support frame, a reflection surface mounting and adjusting part and a feed seat. The support frame comprises a vertical section and a horizontal section, the lower end of the back frame of the reflection surface is connected with the follow-up adjusting support through the vertical section, one end of the telescopic pull rod is hinged with the vertical section, and the other end is hinged with the upper end of the back frame, when the telescopic pull rod is telescoped, the back frame rotates relative to the follow-up adjusting support. The feed antenna is mounted on the pitch adjusting part through the horizontal adjusting part, the pitch adjusting part is mounted on the horizontal section, the horizontal adjusting part drives the horizontal movement of the feed antenna, and the pitch adjusting part is used for adjusting the pitch angle of the feed antenna. The support structure adjusts and fixes the reflection surface through the telescopic pull rod and the follow-up adjusting support, adjusts the position and angle of the feed antenna through the horizontal adjusting part and the pitch adjusting part, ensures that the feed antenna is located at the focal point of the reflection surface, and makes the test more accurate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of microwave testing, in particular to a support structure for tight-field RCS testing in a terahertz frequency band. BACKGROUND

[0002] Terahertz waves refer to electromagnetic waves with a frequency in the range of 0.1 THz to 10 THz, and a wavelength in the range of about 0.03 mm to 3 mm, between millimeter waves and infrared. With the development of terahertz RCS testing technology, there is a demand for measurement capability in the terahertz frequency band. In particular, the demand for large-size target large-scale ratio measurement has become increasingly urgent in recent years. The tight-field testing form, as one of the recognized indoor simulation far-field testing methods, is also an important research direction of terahertz testing.

[0003] The reflecting surface, as an important device for converting the beam of the feed antenna from a spherical wave to a plane wave to create far-field conditions, plays an important role in tight-field radar cross section (RCS) measurement. The relative position adjustment of the reflecting surface and the feed antenna directly affects the tight-field RCS measurement accuracy. SUMMARY

[0004] The purpose of the present application is to provide a support structure for tight-field RCS testing in a terahertz frequency band, which can provide support and position adjustment for the reflecting surface and the feed antenna.

[0005] In order to achieve the above-mentioned purpose, the present application provides a support structure for tight-field RCS testing in a terahertz frequency band, comprising:

[0006] The support frame body comprises a vertical section and a horizontal section, and the relative positions of the vertical section and the horizontal section are fixed. The vertical section is provided with a mounting platform extending outward horizontally.

[0007] The reflecting surface mounting and adjusting part comprises a telescopic pull rod and a follow-up adjusting support. The follow-up adjusting support is installed on the mounting platform and is used to connect with the lower end of the back frame of the reflecting surface. One end of the telescopic pull rod is hinged to the vertical section, and the other end is hinged to the upper end of the back frame of the reflecting surface. When the telescopic pull rod is extended or retracted, the back frame rotates relative to the follow-up adjusting support to adapt to the angle change of the reflecting surface.

[0008] The feed seat comprises a horizontal adjusting part and a pitch adjusting part. The feed antenna is installed on the pitch adjusting part through the horizontal adjusting part. The pitch adjusting part is installed on the horizontal section. The horizontal adjusting part can drive the feed antenna to move horizontally, and the pitch adjusting part is used to adjust the pitch angle of the feed antenna.

[0009] Optionally, the telescopic pull rod comprises a pull rod adjusting tube and two pull rod rotating screws, the two pull rod rotating screws are respectively threadedly connected with two ends of the pull rod adjusting tube, and the two pull rod rotating screws are opposite in thread direction, and rotating the pull rod adjusting tube causes the pull rod rotating screws to move towards or away from each other.

[0010] Optionally, the lower end of the back frame is provided with an arc-shaped block, the follow-up adjusting support is provided with an arc-shaped groove matched with the arc-shaped block, and the arc-shaped block can rotate relative to the arc-shaped groove.

[0011] Optionally, the follow-up adjusting support comprises a rotating block and a rotating block seat body, the rotating block seat body has a first accommodating groove, opposite side walls of the first accommodating groove are respectively provided with an accommodating recess, two ends of the rotating block are respectively located in the accommodating recesses, two first adjusting screws respectively pass through the wall body of the first accommodating groove and extend into the accommodating recesses to abut against the ends of the rotating block, rotating the first adjusting screws can adjust the length of the first adjusting screws extending into the accommodating recesses, two second adjusting screws are respectively arranged in the direction perpendicular to the connecting line of the two first adjusting screws, the two second adjusting screws pass through the wall body of the first accommodating groove and extend into the first accommodating groove to abut against the other two ends of the rotating block, the arc-shaped groove is arranged on the upper end face of the rotating block, and the rotating block can move horizontally and / or rotate in the first accommodating groove.

[0012] Optionally, the horizontal adjusting part comprises a seat body and two sliding parts, the upper end face of the seat body is provided with a second accommodating groove, the sliding part comprises a screw nut, a lead screw and a sliding plate, one end of the lead screw extends into the second accommodating groove through the wall body of the second accommodating groove and is rotatably fixed to the seat body through a bearing, the other end is provided with a hand wheel, the screw nut is located in the second accommodating groove and is rotatably arranged on the lead screw, one sliding rail is respectively arranged on the two sides of the slot of the second accommodating groove, the sliding plate is arranged on the screw nut and cooperates with the two sliding rails to slide along the sliding rails with the screw nut, and the two sliding parts are symmetrically arranged and coaxial in the lead screw.

[0013] Optionally, the pitch adjusting part comprises two telescopic supporting rods and two hinged structures, one end of each telescopic supporting rod is hinged to the horizontal adjusting part, the other end is hinged to the horizontal section, each hinged structure comprises two hinged seats, the two hinged seats are respectively arranged on the bottom side of the horizontal adjusting part and the horizontal section, the two hinged seats are hinged through a hinge shaft, the telescopic supporting rods and the hinged structures are arranged at intervals in the direction from the feed source antenna to the reflecting surface, and the telescopic supporting rods can adjust the pitch angle of the feed source antenna through telescopic adjustment.

[0014] Optionally, the telescopic supporting rod comprises a supporting rod adjusting tube and two supporting rod rotating screws, the two supporting rod rotating screws are respectively threadedly connected with two ends of the supporting rod adjusting tube, and the two supporting rod rotating screws are opposite in thread direction, and rotating the supporting rod adjusting tube causes the supporting rod rotating screws to move towards or away from each other.

[0015] Optionally, the pitch adjusting part is mounted on the horizontal section through an adjusting base, the adjusting base comprises a supporting base, a pin shaft and a first adjusting plate, a second adjusting plate and a third adjusting plate stacked in sequence, the bottom of the supporting base is provided with a first pin hole, the first adjusting plate is provided with a first long waist hole, the second adjusting plate is provided with a second long waist hole, the third adjusting plate is provided with a second pin hole, one end of the pin shaft is inserted into the first long waist hole through the second pin hole and the second long waist hole in sequence, the other end of the pin shaft is inserted into the first pin hole, and the length direction of the first long waist hole is perpendicular to the length direction of the second long waist hole.

[0016] The first adjusting plate is provided with two first bases, the two first bases are arranged at intervals along the length direction of the first long waist hole, the first base is provided with a first adjusting screw hole, the two ends of the second adjusting plate are respectively provided with a second base, the two second bases are located between the two first bases and are arranged at intervals with the two first bases respectively, and the third adjusting screw is abutted against the second base after passing through the first adjusting screw hole.

[0017] The two ends of the second adjusting plate are provided with two third bases, the third base is provided with a second adjusting screw hole, the two third bases are arranged at intervals along the length direction of the second long waist hole, the third adjusting plate is provided with two fourth bases, the two fourth bases are located between the two third bases and are arranged at intervals with the two third bases respectively, and the fourth adjusting screw is abutted against the fourth base after passing through the second adjusting screw hole.

[0018] Optionally, the reflecting surface mounting adjusting part comprises two telescopic pull rods and two follow-up adjusting supports.

[0019] Optionally, the bottom end of the vertical section is provided with a counterweight; and / or

[0020] The supporting frame body is composed of multiple sections.

[0021] The above technical scheme of the present application has the following advantages:

[0022] The present invention provides a support structure for terahertz band compact field RCS testing, comprising a support frame, a reflector mounting and adjustment section, and a feed mount. The support frame includes a vertical section and a horizontal section, the relative positions of which are fixed. A horizontally extending mounting platform is provided on the vertical section. The reflector mounting and adjustment section includes a telescopic rod and a follower-type adjustment bracket. The follower-type adjustment bracket is mounted on the mounting platform and is used to connect to the lower end of the reflector's back frame. One end of the telescopic rod is hinged to the vertical section, and the other end is hinged to the upper end of the back frame. When the telescopic rod extends or retracts, the back frame rotates relative to the follower-type adjustment bracket to adapt to changes in the reflector's angle. The feed mount includes a horizontal adjustment section and a pitch adjustment section. The feed antenna is mounted on the pitch adjustment section via the horizontal adjustment section, which is mounted on the horizontal section. The horizontal adjustment section can drive the feed antenna to move horizontally, and the pitch adjustment section is used to adjust the pitch angle of the feed antenna. The support structure adjusts and fixes the reflector surface through telescopic rods and follow-up adjustable supports, and adjusts the position and angle of the feed antenna through horizontal and vertical adjustment parts to ensure that the feed antenna is located at the focal point of the reflector surface, making the test more accurate. Attached Figure Description

[0023] The accompanying drawings are provided for illustrative purposes only, and the proportions and quantities of the components in the drawings may not be consistent with the actual product.

[0024] Figure 1 This is a schematic diagram of a support structure for RCS testing in a terahertz band compact field, as described in an embodiment of the present invention.

[0025] Figure 2 yes Figure 1 A top-down view;

[0026] Figure 3 This is a schematic diagram of the structure of a support frame in an embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure connecting the telescopic rod and the reflective surface in an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of a telescopic rod in an embodiment of the present invention;

[0029] Figure 6 This is a schematic diagram of the structure of a feed seat in an embodiment of the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of a horizontal adjustment part in an embodiment of the present invention;

[0031] Figure 8 This is a schematic diagram of the structure connecting the pitch adjustment part, the horizontal connection part, and the adjustment base in an embodiment of the present invention;

[0032] Figure 9 is a structural schematic diagram of a telescopic supporting rod in an embodiment of the present application;

[0033] Figure 10 is a structural schematic diagram of a back frame in an embodiment of the present application;

[0034] Figure 11 is a structural schematic diagram of a follow-up adjusting support in an embodiment of the present application;

[0035] Figure 12 is a structural schematic diagram of an adjusting base (without supporting seat) in an embodiment of the present application.

[0036] In the figure:

[0037] 1: reflecting surface;

[0038] 11: back frame;

[0039] 12: arc-shaped block;

[0040] 2: feed antenna;

[0041] 3: supporting frame body;

[0042] 31: vertical section;

[0043] 311: mounting platform;

[0044] 32: horizontal section;

[0045] 33: counterweight;

[0046] 4: telescopic supporting rod;

[0047] 41: supporting rod adjusting pipe;

[0048] 42: supporting rod rotating screw;

[0049] 5: follow-up adjusting support;

[0050] 51: arc-shaped groove;

[0051] 52: rotating block;

[0052] 53: rotating block seat body;

[0053] 531: first accommodating groove;

[0054] 5311: accommodating recess;

[0055] 532: first adjusting screw;

[0056] 533: second adjusting screw;

[0057] 6: feed seat;

[0058] 61: horizontal adjusting part;

[0059] 611: base body;

[0060] 6111: second accommodating groove;

[0061] 6112: slide rail;

[0062] 612: sliding part;

[0063] 6121: lead screw;

[0064] 6122: lead screw nut;

[0065] 6123: hand wheel;

[0066] 6124: slide plate;

[0067] 62: pitch adjusting part;

[0068] 621: telescopic support rod;

[0069] 6211: support rod adjusting pipe;

[0070] 6212: support rod rotating lead screw;

[0071] 622: hinged structure;

[0072] 6221: hinged seat;

[0073] 6222: hinged shaft;

[0074] 63: adjusting base;

[0075] 631: support seat;

[0076] 632: pin shaft;

[0077] 633: first adjusting plate;

[0078] 6331: first base;

[0079] 634: second adjusting plate;

[0080] 6341: second base;

[0081] 6342: third base;

[0082] 635: third adjusting plate;

[0083] 6351: fourth base;

[0084] 636: third adjusting screw;

[0085] 637: fourth adjusting screw. DETAILED DESCRIPTION

[0086] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0087] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms “mounting”, “connection” and “linking” should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0088] As shown in Figure 1 and Figure 2 The support structure for terahertz band compact range RCS test provided by the embodiments of the present application comprises a support frame body 3, a reflecting surface mounting and adjusting part and a feed source seat 6.

[0089] As shown in Figure 3 The support frame body 3 comprises a vertical section 31 and a horizontal section 32, the relative positions of the vertical section 31 and the horizontal section 32 are fixed, and the vertical section 31 is provided with a mounting platform 311 extending horizontally and outwardly.

[0090] The reflecting surface mounting and adjusting part comprises a telescopic pull rod 4 and a follow-up adjusting support 5, and is used for mounting the reflecting surface 1 to the vertical section 31. As shown in Figure 1 The follow-up adjusting support 5 is mounted on the mounting platform 311 and is used for connecting with the lower end of the back frame 11 of the reflecting surface 1, one end of the telescopic pull rod 4 is hinged to the vertical section 31, and the other end is hinged to the upper end of the back frame 11 of the reflecting surface 1. When the telescopic pull rod 4 is telescoped, the back frame 11 rotates relative to the follow-up adjusting support 5, so as to adapt to the angle change of the reflecting surface 1.

[0091] The feed source seat 6 comprises a horizontal adjusting part 61 and a pitch adjusting part 62, the feed source antenna 2 is mounted on the pitch adjusting part 62 through the horizontal adjusting part 61, the pitch adjusting part 62 is mounted on the horizontal section 32, the horizontal adjusting part 61 can drive the feed source antenna 2 to move horizontally, and the pitch adjusting part 62 is used for adjusting the pitch angle of the feed source antenna 2.

[0092] The support structure for the terahertz band tight-field RCS test of the embodiment adjusts and fixes the reflecting surface 1 through the telescopic pull rod 4 and the follow-up adjusting support 5, adjusts the position and angle of the feed antenna through the horizontal adjusting part 61 and the pitch adjusting part 62, so as to ensure that the feed antenna 2 is located at the focal point of the reflecting surface 1, the reflecting surface 1 converts the beam of the feed antenna 2 into a plane wave irradiation, thereby realizing the 220GHz-330GHz far-field RCS test.

[0093] In order to realize better fixing, in an example, referring to Figure 2 and Figure 4 , the reflecting surface mounting adjusting part includes two telescopic pull rods 4 and two follow-up adjusting supports 5.

[0094] In an example, referring to Figure 4 and Figure 5 , the telescopic pull rod 4 includes a pull rod adjusting pipe 41 and two pull rod rotating lead screws 42, the two pull rod rotating lead screws 42 are respectively threadedly connected with two ends of the pull rod adjusting pipe 41, the screw directions of the two pull rod rotating lead screws 42 are opposite, the pull rod rotating lead screw 42 moves towards or away from each other by rotating the pull rod adjusting pipe 41, the length adjustment of the telescopic pull rod 4 is realized, and then the angle adjustment of the reflecting surface 1 is realized, in the adjusting process, the follow-up adjusting support 5 rotates with the reflecting surface, on the one hand, it provides stable support, on the other hand, it releases the stress that may exist due to the reasons such as hinging and assembly precision, improves the service life and reliability.

[0095] In an example, referring to Figure 10 and Figure 11 , the lower end of the back frame 11 is provided with an arc-shaped block 12, the follow-up adjusting support 5 is provided with an arc-shaped groove 51 matched with the arc-shaped block 12, the arc-shaped block 12 can rotate relative to the arc-shaped groove 12 to realize follow-up.

[0096] In order to realize the fine adjustment of the reflecting position and angle, make the position of the reflecting surface 1 more accurate and further release the stress that may exist, referring to Figure 11As shown, in an example, the servo adjustment support 5 includes a rotating block 52 and a rotating block seat 53, the rotating block seat 53 has a first accommodating groove 531, opposite side walls of the first accommodating groove 531 are respectively provided with an accommodating recess 5311, two ends of the rotating block 52 are respectively located in the accommodating recess 5311 and have a certain interval with the accommodating recess 5311, two first adjusting screws 532 respectively pass through the wall body of the first accommodating groove 531 and extend into the accommodating recess 5311 to abut against the ends of the rotating block 52, rotating the first adjusting screw 532 can adjust the length of the first adjusting screw 532 extending into the accommodating recess 5311, thereby realizing the fine adjustment of the position of the rotating block 52 in the axial direction of the first adjusting screw 532. Two second adjusting screws 533 are respectively arranged in the direction perpendicular to the connecting line of the two first adjusting screws 532, the two second adjusting screws 533 pass through the wall body of the first accommodating groove 531 and extend into the first accommodating groove 531, and abut against the other two ends of the rotating block 52, the arc-shaped groove 51 is arranged on the upper end face of the rotating block 52, and the rotating block 52 can move horizontally and / or rotate in the first accommodating groove 531.

[0097] In an example, referring to Figure 6 and Figure 7 As shown, the horizontal adjustment part 61 includes a seat 611 and two sliding parts 612, the upper end face of the seat 611 is provided with a second accommodating groove 6111, the sliding part 612 includes a screw nut 6122, a lead screw 6121 and a sliding plate 6124, one end of the lead screw 6121 passes through the wall body of the second accommodating groove 6111 and extends into the second accommodating groove 6111, and is rotatably fixed to the seat 611 through a bearing, the other end is provided with a hand wheel 6123, the screw nut 6122 is located in the second accommodating groove 6111 and is rotatably installed on the lead screw 6121, one sliding rail 6112 is respectively arranged on both sides of the slot of the second accommodating groove 6111, the sliding plate 6124 is installed on the screw nut 6122 and cooperates with the two sliding rails 6112, can slide along the sliding rail 6112 with the screw nut 6122, the two sliding parts 612 are symmetrically arranged and the lead screws 6121 of the two sliding parts 612 are coaxial, the two sliding parts 612 can be adjusted independently, one feed source antenna is respectively fixed on the sliding plate 6124 of the first sliding part 612, and single-transmit-single-receive mode and single-transmit-single-receive mode can be respectively adopted.

[0098] Referring to Figure 6 and Figure 8As shown, in an example, the elevation adjustment part 62 comprises two telescopic struts 621 and two hinged structures 622, one end of each telescopic strut 621 is hinged with the horizontal adjustment part 61, and the other end is hinged with the horizontal section 32, each hinged structure 622 comprises two hinged seats 6221, the two hinged seats 6221 are respectively installed on the bottom side of the horizontal adjustment part 61 and the horizontal section 32, and the two hinged seats 6221 are hinged through a hinged shaft 6222, the telescopic struts 621 and the hinged structures 622 are arranged in the direction from the feed source antenna 2 to the reflecting surface 1, and the telescopic struts 621 can adjust the elevation angle of the feed source antenna 2 through telescopic adjustment.

[0099] In an example, referring to Figure 9 As shown, the telescopic strut 621 comprises a strut adjustment pipe 6211 and two strut rotating lead screws 6212, the two strut rotating lead screws 6212 are respectively threadedly connected with the two ends of the strut adjustment pipe 6211, and the thread directions of the two strut rotating lead screws 6212 are opposite, rotating the strut adjustment pipe 6211, the strut rotating lead screws 6212 move towards or away from each other, so as to realize length adjustment.

[0100] In order to realize the fine adjustment of the position of the feed source antenna and the horizontal angle rotation, in an example, referring to Figure 6 and Figure 12 As shown, the elevation adjustment part 62 is installed on the horizontal section 32 through an adjustment base 63, the adjustment base 63 comprises a support seat 631, a pin shaft 632, and a first adjustment plate 633, a second adjustment plate 634 and a third adjustment plate 635 which are sequentially stacked, the bottom of the support seat 631 is provided with a first pin hole (not shown in the figure), the first adjustment plate 633 is provided with a first long waist hole (not shown in the figure), the second adjustment plate 634 is provided with a second long waist hole (not shown in the figure), the third adjustment plate 635 is provided with a second pin hole, one end of the pin shaft 632 is sequentially inserted into the first long waist hole through the second pin hole and the second long waist hole, the other end of the pin shaft 632 is inserted into the first pin hole, and the length direction of the first long waist hole is perpendicular to the length direction of the second long waist hole.

[0101] The first adjustment plate 633 is provided with two first bases 6331, the two first bases 6331 are arranged in the length direction of the first long waist hole, the first base 6331 is provided with a first adjustment screw hole, the two ends of the second adjustment plate 634 are respectively provided with a second base 6341, the two second bases 6341 are located between the two first bases 6331 and are respectively arranged in the length direction of the first long waist hole, and the third adjustment screw 636 is abutted on the second base 6341 after passing through the first adjustment screw hole.

[0102] Two third bases 6342 are arranged at two ends of the second adjusting plate 634, and the second adjusting screw hole is arranged on the third base 6342, the two third bases 6342 are arranged at intervals along the length direction of the second long waist hole, two fourth bases 6351 are arranged on the third adjusting plate 635, the two fourth bases 6351 are arranged between the two third bases 6342 and are arranged at intervals with the two third bases 6342 respectively, and the fourth adjusting screw 637 is arranged on the fourth base 6351 after passing through the second adjusting screw hole. The second adjusting plate 634, the third adjusting plate 635 and the pin shaft 632 can be moved along the length direction of the first long waist hole by rotating the third adjusting screw 636, so that the support seat 631 and the horizontal adjusting part 61, the pitching adjusting part 62 and the feed source antenna 2 are fine adjusted in the direction. Similarly, the second adjusting plate 634, the third adjusting plate 635 and the pin shaft 632 can be moved along the length direction of the second long waist hole by rotating the fourth adjusting screw 637, so that the support seat 631 and the horizontal adjusting part 61, the pitching adjusting part 62 and the feed source antenna 2 are fine adjusted in the direction. In the example, when the horizontal rotation angle of the feed source antenna 2 needs to be adjusted, the support seat 631 can be rotated relative to the pin shaft 632 to achieve the adjustment.

[0103] In order to improve the stability of the support frame body 3, the bottom end of the vertical section 31 is provided with a counterweight 33.

[0104] In order to facilitate transportation and installation, in an example, the support frame body 3 is composed of multiple sections, as shown in Figure 1 The support frame body 3 is divided into two sections, and is fixed as a whole by bolts when in use.

[0105] The parts not described in detail in the application are common knowledge or existing technology in the art.

[0106] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: not every example contains only one independent technical solution, in the absence of scheme conflict, each technical feature mentioned in each example can be combined in any way to form other embodiments that can be understood by those skilled in the art.

[0107] In addition, the technical solutions described in the foregoing examples are modified, or some technical features are replaced equivalently without departing from the scope of the application, so that the essence of the corresponding technical solution does not deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A support structure for terahertz frequency range compact range RCS testing, characterized by, The utility model relates to a kind of support frame body, including vertical section and horizontal section, the vertical section and the horizontal section relative position are fixed, the vertical section is equipped with the installation platform that extends horizontally to outside;Reflector installation adjustment part includes telescopic pull rod and follow-up type adjusting support, the follow-up type adjusting support is installed on the installation platform, for with the lower end of the back frame of reflector connection, one end of the telescopic pull rod is hinged with the vertical section, the other end is hinged with the upper end of the back frame of reflector, when the telescopic pull rod telescopes, the back frame rotates relative to the follow-up type adjusting support, adapt the angle change of reflector;Feed source seat includes horizontal adjusting part and pitch adjusting part, feed source antenna is installed on the pitch adjusting part by the horizontal adjusting part, the pitch adjusting part is installed on the horizontal section, the horizontal adjusting part can drive the horizontal movement of feed source antenna, the pitch adjusting part is used to adjust the pitch angle of feed source antenna. The telescopic pull rod includes a pull rod adjusting pipe and two pull rod rotating screws, the two pull rod rotating screws are respectively threadedly connected with the two ends of the pull rod adjusting pipe, and the screw directions of the two pull rod rotating screws are opposite. When the pull rod adjusting pipe is rotated, the pull rod rotating screws move towards or away from each other. The lower end of the back frame is provided with an arc-shaped block, and the follow-up type adjusting support is provided with an arc-shaped groove matched with the arc-shaped block. The arc-shaped block can rotate relative to the arc-shaped groove. The follow-up type adjusting support includes a rotating block and a rotating block seat body. The rotating block seat body has a first accommodating groove. Opposite side walls of the first accommodating groove are respectively provided with an accommodating recess. The two ends of the rotating block are respectively located in the accommodating recesses. Two first adjusting screws respectively pass through the wall of the first accommodating groove and extend into the accommodating recesses to abut against the ends of the rotating block. Rotating the first adjusting screws can adjust the lengths of the first adjusting screws extending into the accommodating recesses. Two second adjusting screws are respectively arranged in the direction perpendicular to the connecting line of the two first adjusting screws. The two second adjusting screws pass through the wall of the first accommodating groove and extend into the first accommodating groove to abut against the other two ends of the rotating block. The arc-shaped groove is arranged on the upper end surface of the rotating block. The rotating block can move horizontally and / or rotate in the first accommodating groove.

2. The support structure of claim 1, wherein: The horizontal adjusting part includes a seat body and two sliding parts. The upper end surface of the seat body is provided with a second accommodating groove. The sliding part includes a screw nut, a lead screw and a sliding plate. One end of the lead screw passes through the wall of the second accommodating groove, extends into the second accommodating groove and is rotatably fixed to the seat body through a bearing. The other end of the lead screw is provided with a hand wheel. The screw nut is located in the second accommodating groove and is rotatably mounted on the lead screw. A sliding rail is respectively arranged on both sides of the slot of the second accommodating groove. The sliding plate is mounted on the screw nut and cooperates with the two sliding rails to slide along the sliding rails with the screw nut. The two sliding parts are symmetrically arranged and coaxial.

3. The support structure of claim 1, wherein: ​ 4. The support structure of claim 3, wherein: ​ 5. The support structure of claim 1, wherein: ​ 6. The support structure of claim 1, wherein: The pitch adjusting part comprises two telescopic struts and two hinged structures, one end of each telescopic strut is hinged to the horizontal adjusting part, the other end is hinged to the horizontal section, each hinged structure comprises two hinged seats, the two hinged seats are respectively installed on the bottom side of the horizontal adjusting part and the horizontal section, the two hinged seats are hinged through a hinge shaft, the telescopic struts and the hinged structures are arranged at intervals in the direction from the feed source antenna to the reflecting surface, the telescopic struts can adjust the pitch angle of the feed source antenna through telescopic adjustment.

7. The support structure of claim 6, wherein: The telescopic strut comprises a strut adjusting pipe and two strut rotating lead screws, the two strut rotating lead screws are respectively threadedly connected to the two ends of the strut adjusting pipe, and the screw directions of the two strut rotating lead screws are opposite, rotating the strut adjusting pipe, the strut rotating lead screws move towards or away from each other.

8. The support structure of claim 1, wherein: The pitch adjusting part is installed on the horizontal section through an adjusting base, the adjusting base comprises a supporting seat, a pin shaft, and a first adjusting plate, a second adjusting plate and a third adjusting plate which are sequentially stacked, the bottom of the supporting seat is provided with a first pin hole, the first adjusting plate is provided with a first long waist hole, the second adjusting plate is provided with a second long waist hole, the third adjusting plate is provided with a second pin hole, one end of the pin shaft is sequentially inserted into the first long waist hole through the second pin hole and the second long waist hole, the other end of the pin shaft is inserted into the first pin hole, the length direction of the first long waist hole is perpendicular to the length direction of the second long waist hole; The first adjusting plate is provided with two first bases, the two first bases are arranged at intervals along the length direction of the first long waist hole, the first base is provided with a first adjusting screw hole, the two ends of the second adjusting plate are respectively provided with a second base, the two second bases are located between the two first bases and are respectively arranged at intervals with the two first bases, a third adjusting screw is abutted against the second base after penetrating through the first adjusting screw hole; The two ends of the second adjusting plate are provided with two third bases, the third base is provided with a second adjusting screw hole, the two third bases are arranged at intervals along the length direction of the second long waist hole, the third adjusting plate is provided with two fourth bases, the two fourth bases are located between the two third bases and are respectively arranged at intervals with the two third bases, a fourth adjusting screw is abutted against the fourth base after penetrating through the second adjusting screw hole.

9. The support structure of claim 1, wherein: The reflecting surface mounting adjusting part comprises two telescopic pull rods and two follow-up type adjusting supports.

10. The support structure according to claim 1, wherein: a counterweight is arranged at the bottom end of the vertical section; and / or the support frame body is composed of multiple sections.

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