Waveguide antenna fixing support

Abstract

The invention relates to the technical field of waveguide antenna installation, in particular to a waveguide antenna fixing support which comprises a rectangular frame, the rectangular frame is vertically arranged, a waveguide array antenna group is installed in the rectangular frame, a driving mechanism is arranged on the rectangular frame, and traction swing arms are symmetrically installed at the top and the bottom of the rectangular frame through the driving mechanism respectively. Roll bodies are installed at the ends of the four traction swing arms, and the arc-shaped reflecting cover is installed among the four roll bodies and movably connected with the four roll bodies in a limiting mode. The waveguide array antenna group and the arc-shaped reflecting cover can be driven by the driving mechanism to adjust the distance, the automation degree is high, adjustment is more convenient and faster, the four side surfaces of the waveguide array antenna group and the reflecting surface of the arc-shaped reflecting cover can be cleaned up and down through the lifting scraping and sweeping cleaning mechanism, and the cleaning efficiency is improved. Impurities such as dust and the like are prevented from being adsorbed on the waveguide array antenna group and the arc-shaped reflecting cover for a long time to influence the working performance.

Description

Technical Field

[0001] The present invention relates to the technical field of waveguide antenna installation, in particular to a waveguide antenna fixing bracket. Background Art

[0002] A waveguide antenna operates on the waveguide principle and typically consists of a waveguide and a radiating structure. It utilizes electromagnetic waves propagating within the waveguide and, by designing specific openings, slots, or other radiating elements within the waveguide, effectively radiates these waves into space, or collects electromagnetic waves from space into the waveguide for transmission. Waveguide antennas offer high power capacity, low loss, strong directivity, and a compact structure. They are widely used in communications and detection applications requiring high gain, low loss, and high directivity, such as radar, satellite communications, radio astronomy, and microwave relay communications.

[0003] Waveguide antennas are usually used in conjunction with curved reflectors. The signal is input into the waveguide slot antenna array element, and the signal radiates outward at the waveguide slot to form an initial electromagnetic wave. When the electromagnetic waves radiated by the waveguide slot antenna array element propagate to the reflecting surface of the curved reflector, the reflecting surface of the curved reflector collects and reflects these electromagnetic waves, concentrating them in a specific direction, thereby enhancing the gain and directivity of the signal transmission and achieving high-gain transmission.

[0004] The waveguide antenna and the curved reflector are usually connected as a whole using a mounting bracket. The traditional mounting bracket uses bolts to fasten the waveguide antenna and the curved reflector. When adjusting the distance between the waveguide antenna and the curved reflector, the bolt fastening position needs to be adjusted. This process requires disassembling and reassembling the bolts, which is time-consuming and labor-intensive, with complicated steps, making it difficult to quickly adjust the distance between the waveguide antenna and the curved reflector. Summary of the Invention

[0005] The object of the present invention is to provide a waveguide antenna fixing bracket with convenient adjustment of the distance between the waveguide antenna and the arc-shaped reflector, so as to solve the technical problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions.

[0007] A waveguide antenna fixing bracket includes a rectangular frame, which is arranged vertically. A waveguide array antenna group is installed in the rectangular frame. A driving mechanism is provided on the rectangular frame. Traction swing arms are symmetrically installed on the top and bottom of the rectangular frame through the driving mechanism. Rollers are installed at the ends of the four traction swing arms. An arc-shaped reflective cover is installed between the four rollers and is movably connected to the four rollers. The driving mechanism drives the traction swing arms to swing, which can drive the arc-shaped reflective cover to perform translational adjustment, thereby realizing adjustment of the spacing between the waveguide array antenna group and the arc-shaped reflective cover. A lifting, scraping and cleaning mechanism is provided on the rectangular frame. When the spacing between the waveguide array antenna group and the arc-shaped reflective cover is adjusted to the limit position, the lifting, scraping and cleaning mechanism works to clean the four sides of the waveguide array antenna group and the reflecting surface of the arc-shaped reflective cover up and down.

[0008] Preferably, the upper and lower spans of the arc-shaped reflective cover are larger than the upper and lower spans of the waveguide array antenna group. The waveguide array antenna group is relatively centered and faces the reflecting surface of the arc-shaped reflective cover. The waveguide array antenna group can be raised and lowered. When the lifting and sweeping cleaning mechanism moves upward for cleaning, the waveguide array antenna group is adjusted upward until the top end is aligned with the top end of the arc-shaped reflective cover. When the lifting and sweeping cleaning mechanism moves downward for cleaning, the waveguide array antenna group is adjusted downward until the top end is aligned with the bottom end of the arc-shaped reflective cover. It is ensured that within one lifting and cleaning cycle, the cleaning range is sufficient to cover the arc-shaped reflective cover with a larger upper and lower span. A slide rail is fixed to the bottom of the rectangular frame, and a U-shaped slide seat provided at the bottom of the arc-shaped reflective cover is clamped on the slide rail. The translation direction of the arc-shaped reflective cover is along the length direction of the slide rail. The four traction swing arms are symmetrically arranged in pairs in the vertical and horizontal directions. The four rollers are installed at the same points on the traction swing arm. When the driving mechanism is working, the traction swing arms on the left and right sides of the rectangular frame swing in opposite directions.

[0009] Preferably, the driving mechanism includes a pair of shafts, a driving device, a rotating shaft, a pair of bevel gears A and a pair of bevel gears B. The two shafts are symmetrically mounted on the rectangular frame and distributed on both sides of the waveguide array antenna group. The traction swing arms are respectively fixed on the two ends of the shafts. The rotating shaft is rotatably mounted on the top of the rectangular frame through the shaft seat. Bevel gears A are fixed at both ends of the rotating shaft, and bevel gears B are fixed on both shafts. The bevel gears A are meshed with the bevel gears B on the same side. The driving device is arranged on the top of the rectangular frame to drive the rotating shaft to rotate.

[0010] Preferably, the driving device includes a T-shaped frame fixed on the top of the rectangular frame, a driving motor A fixed on the T-shaped frame, a worm rotatably mounted on the T-shaped frame, and a worm wheel fixedly mounted on the rotating shaft. The output shaft of the driving motor A is fixed to one end of the worm, and the worm is correspondingly engaged with the worm wheel.

[0011] Preferably, the lifting, scraping and cleaning mechanism includes a rectangular frame bar, an arc bar, a connecting frame and a driving unit. The driving unit and the connecting frame are arranged on the side of the rectangular frame. The driving unit is used to drive the connecting frame to perform lifting and lowering adjustment. The rectangular frame bar is sleeved on the outside of the waveguide array antenna group and is fixed to the connecting frame through a U-shaped connecting arm. Brushes are evenly distributed on the inner surfaces of the four sides of the rectangular frame bar for scraping and cleaning the four side surfaces of the waveguide array antenna group. The arc bar is fixed on the side of the connecting frame and extends between the rectangular frame and the arc-shaped reflector cover. The curvature of the arc bar is consistent with the curvature of the inner edge of the arc reflector cover, and the length is sufficient to cover the width of the arc reflector cover. Brushes are evenly distributed on the inner edge wall of the arc bar for scraping and cleaning the reflecting surface of the arc reflector cover. When the distance between the arc reflector cover and the waveguide array antenna group is adjusted to the extreme position, the bristles on the outer edge wall of the arc bar are in contact with the reflecting surface of the arc reflector cover.

[0012] Preferably, the drive unit includes a pair of side plates, a threaded rod, a drive motor B and a nut seat. The two side plates are fixed to the sides of the rectangular frame, the threaded rod is rotatably mounted on the two side plates, the drive motor B is fixed to one of the side plates, and the output shaft is fixedly connected to one end of the threaded rod. The nut seat is threadedly mounted on the threaded rod and slides in contact with the side surface of the rectangular frame. The connecting frame is fixed to the nut seat through the connecting rod.

[0013] Preferably, the top and bottom surfaces of the arc-shaped reflector are provided with arc-shaped grooves consistent with their curvature, and the two upper traction swing arms are provided with vertically through-threaded holes, and the two threaded holes are threaded with matching adjustment screws, and the two upper rollers are both limitedly clamped in the upper arc grooves, and the tops of the two upper rollers are respectively rotatably connected to the bottom ends of the corresponding adjustment screws, and the bottoms of the adjustment screws are each installed with a twist handle.

[0014] Preferably, a rotating rod is fixed on each of the two traction swing arms below, and the two roller bodies below are respectively limited and clamped in the arc-shaped groove below, and the two roller bodies below are respectively rotatably connected to the top of the corresponding rotating rod.

[0015] Preferably, a bottom airbag is fixed on the top of the base fixed on the bottom wall of the rectangular frame, a bottom clamp is fixed on the top of the bottom airbag for the bottom of the waveguide array antenna group to fit in and abut against, a top airbag is fixed below the top seat fixed on the top wall of the rectangular frame, a top clamp is fixed below the top airbag for the top of the waveguide array antenna group to fit in and abut against, and the waveguide array antenna group is installed between the top clamp and the bottom clamp.

[0016] Preferably, the waveguide antenna fixing bracket is further provided with an air distribution unit, which is used to inflate and deflate the top airbag and the bottom airbag respectively. The expansion and retraction of the top airbag and the bottom airbag during inflation and deflation occur in the vertical direction.

[0017] Compared with the prior art, the present invention has the following beneficial effects.

[0018] The present invention monitors parameters such as the strength and frequency of the signal received by the waveguide array antenna group in real time, and calculates and analyzes the optimal spacing between the waveguide array antenna group and the arc-shaped reflector cover in different working modes, thereby controlling the driving mechanism to perform corresponding driving work, adjusting the spacing between the waveguide array antenna group and the arc-shaped reflector cover to the optimal level, and realizing adaptive adjustment of the spacing between the waveguide array antenna group and the arc-shaped reflector cover, with a high degree of automation, more convenient and quick adjustment, and targetedness.

[0019] In the present invention, since the waveguide array antenna group is relatively centered and faces the reflecting surface of the curved reflector, the traction swing arm, the driving mechanism and the lifting, scraping and cleaning mechanism are arranged on the rectangular frame around the four sides of the waveguide array antenna group, thereby minimizing the obstruction between the waveguide array antenna group and the curved reflector to ensure stable signal transmission.

[0020] The spacing adjustment of the curved reflector cover relative to the waveguide array antenna group of the present invention is a linear translation adjustment, and the translation occurs in the length direction of the spacing between the waveguide array antenna group and the curved reflector cover. Therefore, no matter how the spacing is adjusted, the waveguide array antenna group can be centered relative to the curved reflector cover. On the one hand, the antenna radiation pattern can be kept stable, and at different spacings, the radiation pattern can be guaranteed not to have obvious distortion or offset, which is beneficial to ensuring the directionality and coverage range of communication. In addition, during the reflection and radiation process of electromagnetic waves, the energy distribution of the side lobes is guaranteed to be more uniform and controllable, thereby reducing interference with other surrounding communication equipment or frequency bands.

[0021] The present invention utilizes the one-way transmission effect of the worm and the worm wheel to achieve a self-locking effect on the shafts on both sides. When the distance between the waveguide array antenna group and the arc-shaped reflector cover is adjusted and the drive motor A is not working, the shafts on both sides can be prevented from deflecting arbitrarily, thereby achieving relative fixation of the waveguide array antenna group and the arc-shaped reflector cover after adjustment, which helps to continuously maintain the distance between the two and simultaneously avoids relative movement of the waveguide array antenna group and the arc-shaped reflector cover due to the impact of strong wind, thereby improving stability during operation.

[0022] The present invention provides a lifting, scraping and cleaning mechanism, which can clean and remove dirt from the four side surfaces of the waveguide array antenna group and the reflective surface of the arc reflector, thereby preventing impurities such as dust from being adsorbed on the waveguide array antenna group and the arc reflector for a long time and affecting the working performance.

[0023] In addition, the waveguide array antenna group is installed in a rectangular frame, so that when the distance between the waveguide array antenna group and the curved reflector cover is adjusted, the positions of the rectangular frame and the waveguide array antenna group are relatively fixed, and the curved strip is set on the side close to the rectangular frame to ensure that the bristles on the curved strip are in contact with the reflecting surface of the curved reflector cover when the distance between the curved reflector cover and the waveguide array antenna group is adjusted to the minimum state, thereby avoiding motion interference caused by the curved strip being within the adjustment movement range of the curved reflector cover, ensuring that the distance adjustment between the curved reflector cover and the waveguide array antenna group can be carried out smoothly, and the overall structural layout is reasonable.

[0024] The present invention utilizes a top clamping seat and a bottom clamping seat to achieve a flexible connection between the waveguide array antenna group and the rectangular frame, which can provide a buffering and shock-filtering protective effect for the waveguide array antenna group. In the lifting and cleaning process, the waveguide array antenna group is adaptively lifted and lowered by correspondingly inflating and deflating the top airbag and the bottom airbag, ensuring that the upper and lower ends of the waveguide array antenna group are respectively aligned with the upper and lower ends of the arc-shaped reflective cover, thereby ensuring that the cleaning range can effectively cover the entire reflecting surface of the arc-shaped reflective cover while covering the four side surfaces of the waveguide array antenna group. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0026] Figure 2 for Figure 1 A schematic diagram of another perspective of the structure shown;

[0027] Figure 3 for Figure 1 The structure shown omits the schematic diagram of the arc-shaped reflector structure;

[0028] Figure 4 This is a schematic diagram of the waveguide array antenna group structure installation in the present invention;

[0029] Figure 5 It is a schematic diagram of the local structure of the rectangular frame in the present invention;

[0030] Figure 6 Detailed structural diagram of the driving device in the present invention;

[0031] Figure 7 This is a schematic diagram of the installation of the curved reflector structure in the present invention;

[0032] Figure 8 for Figure 7 A schematic diagram of the structure at center A;

[0033] Figure 9 for Figure 7 A schematic diagram of another perspective of the structure shown;

[0034] Figure 10 for Figure 9 Enlarged schematic diagram of the structure at point B in the middle.

[0035] In the figure: 1. Rectangular frame; 101. Slide rail; 102. U-shaped slide; 11. Top seat; 12. Top airbag; 13. Top clamping seat; 14. Base; 15. Bottom airbag; 16. Bottom clamping seat; 2. Waveguide array antenna group; 21. Waveguide monomer; 3. Arc reflector; 31. Arc reflector section; 32. Arc groove; 4. Traction swing arm; 5. Roller; 51. Threaded hole; 52. Adjusting screw; 521. Twist handle; 53. Rotating rod; 6. Driving mechanism; 61. Shaft; 62, driving device; 621, T-shaped frame; 622, driving motor A; 623, worm; 624, worm wheel; 63, rotating shaft; 631, shaft seat; 64, bevel gear A; 65, bevel gear B; 7, lifting and sweeping cleaning mechanism; 71, rectangular frame bar; 72, arc-shaped bar; 73, connecting frame; 74, U-shaped connecting arm; 75, driving unit; 751, side panel; 752, threaded rod; 753, driving motor B; 754, nut seat; 755, connecting rod. DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described below with reference to the accompanying drawings.

[0037] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection", and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct connection or an indirect connection through an intermediate medium. Here, "fixed" means that the two are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0038] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0039] In the embodiments of the present invention, "and / or" is simply a description of the association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0040] References to "one embodiment" or "some embodiments" in this specification mean that a particular feature, structure, or characteristic described in connection with that embodiment is included in one or more embodiments of the present invention. Thus, phrases such as "in one embodiment," "in some embodiments," "in other embodiments," and "in yet other embodiments" appearing in various places in this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "including," "comprising," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0041] See also Figures 1-10 The present invention provides a waveguide antenna fixing bracket, comprising a rectangular frame 1, which is arranged vertically. A waveguide array antenna group 2 is installed in the rectangular frame 1. A driving mechanism 6 is provided on the rectangular frame 1. Traction swing arms 4 are symmetrically installed on the top and bottom of the rectangular frame 1 through the driving mechanism 6. Rollers 5 are installed at the ends of the four traction swing arms 4. An arc-shaped reflection cover 3 is installed between the four rollers 5 and is movably connected to the four rollers 5. A slide rail 101 is fixed to the bottom of the rectangular frame 1. A U-shaped slide 102 provided at the bottom of the arc-shaped reflection cover 3 is clamped on the slide rail 101. The driving mechanism 6 works to drive the traction swing arm 4 to swing, which can drive the arc-shaped reflection cover 3 to perform translation adjustment along the length direction of the slide rail 101, thereby realizing the spacing adjustment between the waveguide array antenna group 2 and the arc-shaped reflection cover 3. Figure 2 As shown, the slide rail 101 is centrally arranged at the bottom of the rectangular frame 1 , and the U-shaped slide seat 102 is centrally arranged at the bottom of the arc-shaped reflective cover 3 .

[0042] Among them, the waveguide array antenna group 2 is composed of several waveguide monomers 21 arranged vertically, and the arc reflector 3 is composed of several arc reflective segments 31 arranged vertically. In order to ensure that the reflected signal surface is sufficient to cover the entire waveguide array antenna group 2, the overall upper and lower spans of the arc reflector 3 are greater than the overall upper and lower spans of the waveguide array antenna group 2. During normal operation, the waveguide array antenna group 2 is relatively centered facing the reflecting surface of the arc reflector 3.

[0043] In addition, it is worth noting that a signal strength sensor (not shown in the figure) and a signal frequency sensor (not shown in the figure) are provided at corresponding positions of the fixing bracket, and the signal strength sensor and the signal frequency sensor are located in the antenna working environment and are used to monitor the strength, frequency and other parameters of the signal received by the waveguide array antenna group 2 in real time. These sensors feed back data to a processor (not shown in the figure) in the monitoring room for data analysis and processing to determine whether the waveguide array antenna group 2 is in the optimal signal receiving position. When the signal strength is weak or the frequency changes, the optimal distance between the reflecting surface of the arc reflector 3 and the waveguide array antenna group 2 is calculated according to a preset algorithm, and the control signal generated after processing is transmitted to the controller in the control room (not shown in the figure, and the driving mechanism 6 is controlled by the controller). The controller controls the driving mechanism 6 to perform corresponding driving work to adjust the distance between the waveguide array antenna group 2 and the arc reflector 3 to the optimal level, thereby realizing adaptive adjustment of the distance between the waveguide array antenna group 2 and the arc reflector 3 to adapt to different usage scenarios. The degree of automation is high, and the adjustment is more convenient, fast, and targeted.

[0044] When the driving mechanism 6 is working, the traction swing arms 4 on the left and right sides of the rectangular frame 1 swing in opposite directions, such as Figure 3 、 Figure 5 and Figure 6 As shown, the driving mechanism 6 includes a pair of shafts 61, a driving device 62, a rotating shaft 63, a pair of bevel gears A64 and a pair of bevel gears B65. The two shafts 61 are symmetrically rotatably mounted on the rectangular frame 1 and are distributed on both sides of the waveguide array antenna group 2. The traction swing arms 4 are respectively fixed on the two ends of the shafts 61. The rotating shaft 63 is rotatably mounted on the top of the rectangular frame 1 through the shaft seat 631. Bevel gears A64 are fixed at both ends of the rotating shaft 63. Bevel gears B65 are fixed on both shafts 61. The bevel gears A64 are meshed with the bevel gears B65 on the same side. The driving device 62 is arranged at the top of the rectangular frame 1 to drive the rotating shaft 63 to rotate.

[0045] Among them, the driving device 62 includes a T-shaped frame 621 fixed on the top of the rectangular frame 1, a driving motor A622 fixed on the T-shaped frame 621, a worm 623 rotatably installed on the T-shaped frame 621, and a worm wheel 624 fixedly mounted on the rotating shaft 63. The output shaft of the driving motor A622 is fixed to one end of the worm 623, and the worm 623 is correspondingly engaged with the worm wheel 624.

[0046] The output shaft of the driving motor A622 drives the worm 623 to rotate, and the rotating worm 623 engages with the worm wheel 624 and drives the rotating shaft 63 to rotate. The rotating rotating shaft 63 drives the bevel gears A64 on both sides to rotate synchronously. Under the meshing transmission action of the bevel gear A64 and the bevel gear B65 on the corresponding side, the shafts 61 on both sides are driven to rotate in the opposite direction, and then the traction swing arms 4 on both sides are driven to swing in the opposite direction. Under the limiting connection action of each roller body 5, the arc-shaped reflector 3 is pulled along the slide rail 101 to move closer to or away from the waveguide array antenna group 2.

[0047] Secondly, the four traction swing arms 4 are arranged symmetrically in pairs in the vertical and horizontal directions, and the four rollers 5 are installed at the same points on the traction swing arms 4, ensuring that the swing traction amplitudes of the four traction swing arms 4 relative to the arc reflector 3 are consistent. On the basis that the waveguide array antenna group 2 is facing the arc reflector 3, the distance between the arc reflector 3 and the waveguide array antenna group 2 is adjusted, and the swing traction amplitudes of the four traction swing arms 4 relative to the arc reflector 3 are consistent, which can ensure that after the distance adjustment, the waveguide array antenna group 2 is still facing the arc reflector 3.

[0048] In addition, the one-way transmission effect of the worm 623 and the worm wheel 624 can achieve a self-locking effect on the shafts 61 on both sides. When the distance between the waveguide array antenna group 2 and the arc-shaped reflector cover 3 is adjusted and the drive motor A622 is not working, the shafts 61 on both sides can be prevented from deflecting arbitrarily, thereby achieving relative fixation of the waveguide array antenna group 2 and the arc-shaped reflector cover 3 after the adjustment, which helps to maintain the distance between the two and avoid relative movement between the waveguide array antenna group 2 and the arc-shaped reflector cover 3 due to strong wind impact, thereby improving stability during operation.

[0049] like Figure 1 As shown, a lifting, scraping and cleaning mechanism 7 is provided on the rectangular frame 1. When the distance between the waveguide array antenna group 2 and the arc-shaped reflective cover 3 is adjusted to the extreme position, the lifting, scraping and cleaning mechanism 7 works to clean the four sides of the waveguide array antenna group 2 and the reflecting surface of the arc-shaped reflective cover 3 up and down.

[0050] See also Figure 3 and Figure 5 The lifting, scraping and cleaning mechanism 7 includes a rectangular frame bar 71, an arc-shaped bar 72, a connecting frame 73 and a driving unit 75. The driving unit 75 and the connecting frame 73 are arranged on the side of the rectangular frame 1. The driving unit 75 is used to drive the connecting frame 73 to perform lifting and lowering adjustment. The rectangular frame bar 71 is sleeved on the outside of the waveguide array antenna group 2 and is fixed to the connecting frame 73 through a U-shaped connecting arm 74. Brush bristles are evenly distributed on the inner surfaces of the four sides of the rectangular frame bar 71, which are used to scrape and clean the four side surfaces of the waveguide array antenna group 2.

[0051] The arc strip 72 is fixed to the side of the connecting frame 73 and is arranged flush with the U-shaped connecting arm 74, and extends between the rectangular frame 1 and the arc reflector 3. The curvature of the arc strip 72 is consistent with the curvature of the inner edge of the arc reflector 3, and the length is sufficient to cover the width of the arc reflector 3. Bristles are evenly distributed on the inner edge wall of the arc strip 72 for scraping and cleaning the reflecting surface of the arc reflector 3. When the distance between the arc reflector 3 and the waveguide array antenna group 2 is adjusted to the extreme position, the bristles on the outer edge wall of the arc strip 72 contact the reflecting surface of the arc reflector 3.

[0052] The driving unit 75 includes a pair of side plates 751, a threaded rod 752, a driving motor B753 and a nut seat 754. The two side plates 751 are fixed to the sides of the rectangular frame 1, and the threaded rod 752 is rotatably installed on the two side plates 751. The driving motor B753 is fixed on one of the side plates 751, and the output shaft is fixedly connected to one end of the threaded rod 752. The nut seat 754 is threadedly mounted on the threaded rod 752 and slides in contact with the side surface of the rectangular frame 1. The connecting frame 73 is fixed to the nut seat 754 through the connecting rod 755.

[0053] When cleaning the surface of the waveguide array antenna group 2 and the curved reflector 3, the distance between the waveguide array antenna group 2 and the curved reflector 3 is adjusted to the minimum to ensure that the bristles on the curved strip 72 are in contact with the reflecting surface of the curved reflector 3, and the bristles on the inner surface of the rectangular frame strip 71 are in contact with the four sides of the waveguide array antenna group 2. The motor B753 is driven to rotate the threaded rod 752, and the rotating threaded rod 752 thread drives the nut seat 754 to slide along the side surface of the rectangular frame 1. Under the connection of the connecting rod 755, the connecting frame 73 and the U-shaped connecting arm 74, the rectangular frame strip 71 and the curved strip 72 can be driven to slide up and down, thereby realizing the lifting cleaning of the waveguide array antenna group 2 and the curved reflector 3.

[0054] Among them, the waveguide array antenna group 2 is installed in the rectangular frame 1, so that when the distance between the waveguide array antenna group 2 and the curved reflector 3 is adjusted, the positions of the rectangular frame 1 and the waveguide array antenna group 2 are relatively fixed, and the curved bar 72 is set on the side close to the rectangular frame 1 to ensure that the bristles on the curved bar 72 are in contact with the reflecting surface of the curved reflector 3 when the distance between the curved reflector 3 and the waveguide array antenna group 2 is adjusted to the minimum state, avoiding the arc bar 72 being within the adjustment movement range of the curved reflector 3 and causing motion interference, ensuring that the distance adjustment between the curved reflector 3 and the waveguide array antenna group 2 can be carried out smoothly, and the overall structural layout is reasonable.

[0055] Among them, since the upper and lower spans of the curved reflector 3 are greater than the upper and lower spans of the waveguide array antenna group 2, and when working, the waveguide array antenna group 2 is relatively centered and directly facing the curved reflector 3, and the rectangular frame bar 71 and the curved bar 72 are arranged flush, resulting in synchronized lifting positions. Therefore, when the rectangular frame bar 71 moves upward to the upper and lower extreme positions of the waveguide array antenna group 2, the curved bar 72 has not yet reached the upper and lower extreme positions of the curved reflector 3. Therefore, the cleaning coverage range of the curved bar 72 cannot cover the entire reflecting surface of the curved reflector 3. In order to solve this problem, the present invention has made the following design:

[0056] The waveguide array antenna group 2 can be raised and lowered. When the lifting, scraping and cleaning mechanism 7 moves upward for cleaning, the waveguide array antenna group 2 is adjusted upward until the top is aligned with the top of the curved reflector 3. When the lifting, scraping and cleaning mechanism 7 moves downward for cleaning, the waveguide array antenna group 2 is adjusted downward until the top is aligned with the bottom of the curved reflector 3, ensuring that within one lifting and cleaning cycle, the cleaning range is sufficient to cover the curved reflector 3 with a larger upper and lower span.

[0057] Specifically, such as Figure 4 As shown, a bottom airbag 15 is fixed on the top of the base 14 fixed on the inner bottom wall of the rectangular frame 1, and a bottom clamping seat 16 for the bottom of the waveguide array antenna group 2 to fit in and abut is fixed on the top of the bottom airbag 15. A top airbag 12 is fixed below the top seat 11 fixed on the inner top wall of the rectangular frame 1, and a top clamping seat 13 for the top of the waveguide array antenna group 2 to fit in and abut is fixed below the top airbag 12. The waveguide array antenna group 2 is installed between the top clamping seat 13 and the bottom clamping seat 16.

[0058] The waveguide antenna fixing bracket is also equipped with an air distribution unit (not shown in the figure), which is used to inflate and deflate the top airbag 12 and the bottom airbag 15 respectively. The expansion and contraction actions of the top airbag 12 and the bottom airbag 15 during inflation and deflation occur in the vertical direction.

[0059] The waveguide array antenna group 2 is placed between the top clamp seat 13 and the bottom clamp seat 16, and the top airbag 12 and the bottom airbag 15 are inflated at the same time by using the air distribution unit until the top of the waveguide array antenna group 2 abuts against the top clamp seat 13 and the bottom abuts against the bottom clamp seat 16, so as to clamp and fix the waveguide array antenna group 2 to achieve the installation of the waveguide array antenna group 2. In addition, the top airbag 12 and the bottom airbag 15 are used to make a flexible connection between the waveguide array antenna group 2 and the rectangular frame 1, which can provide a buffering and shock-filtering protective effect for the waveguide array antenna group 2.

[0060] When the waveguide array antenna group 2 and the arc-shaped reflector cover 3 are cleaned by using the lifting and scraping cleaning mechanism 7, when the rectangular frame bar 71 and the arc-shaped bar 72 are in an upward movement for cleaning, the air distribution unit works to inflate the bottom airbag 15 while adaptively deflating the top airbag 12. The bottom airbag 15 inflates and extends upward, while the top airbag 12 deflates and retracts upward, thereby restraining the waveguide array antenna group 2 to adjust upward until the top of the waveguide array antenna group 2 is aligned with the top of the arc-shaped reflector cover 3. Then, when the rectangular frame bar 71 reaches the top of the waveguide array antenna group 2, it is ensured that the arc-shaped bar 72 can reach the top of the arc-shaped reflector cover 3 synchronously.

[0061] When the rectangular frame bar 71 and the arc bar 72 are in a downward movement for cleaning, the air distribution unit works to inflate the top airbag 12 while adaptively deflating the bottom airbag 15. The top airbag 12 is inflated and extends downward, while the bottom airbag 15 is deflated and retracts downward, thereby forcing the waveguide array antenna group 2 to adjust downward until the bottom of the waveguide array antenna group 2 is aligned with the bottom end of the arc reflector 3. When the rectangular frame bar 71 reaches the bottom end of the waveguide array antenna group 2 downward, it is ensured that the arc bar 72 can reach the bottom end of the arc reflector 3 synchronously, thereby ensuring that the cleaning range can effectively cover the entire reflecting surface of the arc reflector 3 while covering the four side surfaces of the waveguide array antenna group 2.

[0062] Among them, the gas distribution unit adopts the existing gas distribution system, so this application no longer describes its specific structure and working principle in detail.

[0063] In addition, it is worth noting that the present application chooses to install the signal strength sensor and the signal frequency sensor on the rectangular frame bar 71. On the one hand, the rectangular frame bar 71 is close to the waveguide array antenna group 2, which can most intuitively reflect the strength and frequency of the signal received by the waveguide array antenna group 2, and the monitoring data is more real. On the other hand, when performing signal strength and frequency detection, the driving unit 75 can drive the rectangular frame bar 71 and the two sensors thereon to be raised and lowered so as to detect parameters of signals at different height positions.

[0064] See also Figure 7-10 The top and bottom surfaces of the arc-shaped reflector 3 are both provided with arc grooves 32 consistent with their curvature. The two upper traction swing arms 4 are both provided with vertical threaded holes 51, and the two threaded holes 51 are threadedly matched and screwed with adjusting screws 52. The two upper rollers 5 are both limitedly mounted in the upper arc grooves 32, and the tops of the two upper rollers 5 are respectively rotatably connected to the bottom ends of the corresponding adjusting screws 52. The bottoms of the adjusting screws 52 are both installed with twist handles 521.

[0065] A rotating rod 53 is fixed on each of the two traction swing arms 4 below. The two roller bodies 5 below are respectively limited and clamped in the lower arc groove 32 , and the two roller bodies 5 below are respectively rotatably connected to the top of the corresponding rotating rod 53 .

[0066] The four rollers 5 are rotatably mounted on the traction swing arm 4 respectively, and the four rollers 5 are matched and clamped in the corresponding arc grooves 32. When the spacing between the waveguide array antenna group 2 and the arc reflector 3 is adjusted, the rollers 5 can roll in the arc groove 32 to ensure that the spacing adjustment process is smooth enough.

[0067] In addition, the four rollers 5 are limited in the corresponding arc grooves 32 to achieve the limited installation of the arc reflector 3. At the same time, by twisting the twist handle 521 to drive the adjusting screw 52 to rotate, the upper roller 5 can be driven to move up and down. After the upper roller 5 is adjusted upward to disengage from the arc groove 32, the limitation on the arc reflector 3 can be cancelled, and the arc reflector 3 can be pulled upward to drive the U-shaped slide 102 to disengage from the slide rail 101. At the same time, the lower roller 5 is disengaged from the lower arc groove 32 to achieve the disassembly of the arc reflector 3, which is convenient for maintenance and repair of the arc reflector 3 and ensures that the disassembly and assembly of the arc reflector 3 is convenient and quick enough. At the same time, the four rollers 5 are used as both the limiting members of the arc reflector 3 and the mounting members of the arc reflector 3, killing two birds with one stone.

[0068] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A waveguide antenna fixing bracket, comprising a rectangular frame (1), characterized in that: The rectangular frame (1) is arranged vertically, and the waveguide array antenna group (2) is installed in the rectangular frame (1); The rectangular frame (1) is provided with a driving mechanism (6), and traction swing arms (4) are symmetrically mounted on the top and bottom of the rectangular frame (1) through the driving mechanism (6); The ends of the four traction swing arms (4) are all equipped with roller bodies (5), and the arc-shaped reflective cover (3) is installed between the four roller bodies (5) and is movably connected to the four roller bodies (5) in a limited manner; The driving mechanism (6) operates to drive the traction swing arm (4) to swing, thereby driving the arc-shaped reflector cover (3) to perform translation adjustment, thereby achieving adjustment of the spacing between the waveguide array antenna group (2) and the arc-shaped reflector cover (3); The rectangular frame (1) is provided with a lifting, scraping and cleaning mechanism (7). When the distance between the waveguide array antenna group (2) and the arc-shaped reflector (3) is adjusted to a limit position, the lifting, scraping and cleaning mechanism (7) operates to clean the four sides of the waveguide array antenna group (2) and the reflective surface of the arc-shaped reflector (3) up and down.

2. The waveguide antenna fixing bracket according to claim 1, characterized in that: The upper and lower spans of the arc-shaped reflective cover (3) are greater than the upper and lower spans of the waveguide array antenna group (2), and the waveguide array antenna group (2) is relatively centered and faces the reflecting surface of the arc-shaped reflective cover (3); The waveguide array antenna group (2) can be adjusted up and down. When the lifting and scraping cleaning mechanism (7) moves upward to clean, the waveguide array antenna group (2) is adjusted upward until the top end is aligned with the top end of the arc-shaped reflective cover (3). When the lifting and scraping cleaning mechanism (7) moves downward to clean, the waveguide array antenna group (2) is adjusted downward until the top end is aligned with the bottom end of the arc-shaped reflective cover (3), thereby ensuring that within one lifting and cleaning cycle, the cleaning range is sufficient to cover the arc-shaped reflective cover (3) with a large upper and lower span. A slide rail (101) is fixed to the bottom of the rectangular frame (1), a U-shaped slide seat (102) provided at the bottom of the arc-shaped reflective cover (3) is sleeved on the slide rail (101), and the translation direction of the arc-shaped reflective cover (3) is along the length direction of the slide rail (101); The four traction swing arms (4) are symmetrically arranged in pairs in both the vertical and horizontal directions; The four roller bodies (5) are installed at the same point on the traction swing arm (4); When the driving mechanism (6) is working, the traction swing arms (4) on the left and right sides of the rectangular frame (1) swing in opposite directions.

3. The waveguide antenna fixing bracket according to claim 1, characterized in that: The driving mechanism (6) comprises a pair of shafts (61), a driving device (62), a rotating shaft (63), a pair of bevel gears A (64) and a pair of bevel gears B (65); The two shafts (61) are symmetrically rotatably mounted on the rectangular frame (1) and are distributed on both sides of the waveguide array antenna group (2); the traction swing arms (4) are respectively fixed on both ends of the shafts (61); The rotating shaft (63) is rotatably mounted on the top of the rectangular frame (1) via a shaft seat (631), and the bevel gears A (64) are fixed to both ends of the rotating shaft (63); Bevel gears B (65) are fixed on both shafts (61), and the bevel gear A (64) is correspondingly engaged with the bevel gear B (65) on the same side; The driving device (62) is arranged on the top of the rectangular frame (1) and is used to drive the rotating shaft (63) to rotate.

4. The waveguide antenna fixing bracket according to claim 3, characterized in that: The driving device (62) comprises a T-shaped frame (621) fixed on the top of the rectangular frame (1), a driving motor A (622) fixed on the T-shaped frame (621), a worm (623) rotatably mounted on the T-shaped frame (621), and a worm wheel (624) fixedly mounted on the rotating shaft (63); The output shaft of the driving motor A (622) is fixed to one end of the worm (623); The worm (623) is correspondingly engaged with the worm wheel (624).

5. The waveguide antenna fixing bracket according to claim 1, characterized in that: The lifting, scraping and cleaning mechanism (7) comprises a rectangular frame bar (71), an arc-shaped bar (72), a connecting frame (73) and a driving unit (75); The driving unit (75) and the connecting frame (73) are arranged on the side of the rectangular frame (1), and the driving unit (75) is used to drive the connecting frame (73) to perform lifting and lowering adjustment; The rectangular frame strip (71) is sleeved on the outside of the waveguide array antenna group (2) and fixed to the connecting frame (73) via a U-shaped connecting arm (74); bristles are uniformly distributed on the inner surfaces of the four sides of the rectangular frame strip (71) for scraping and cleaning the four side surfaces of the waveguide array antenna group (2); The arc strip (72) is fixed to the side of the connecting frame (73) and extends between the rectangular frame (1) and the arc-shaped reflective cover (3); the arc of the arc strip (72) is consistent with the inner edge of the arc-shaped reflective cover (3), and the length is sufficient to cover the width of the arc-shaped reflective cover (3); The inner edge wall of the arc strip (72) is evenly distributed with brush bristles for scraping and cleaning the reflective surface of the arc reflector (3); When the distance between the arc-shaped reflective cover (3) and the waveguide array antenna group (2) is adjusted to a limit position, the bristles on the outer edge wall of the arc-shaped strip (72) contact the reflective surface of the arc-shaped reflective cover (3).

6. The waveguide antenna fixing bracket according to claim 5, characterized in that: The driving unit (75) includes a pair of side plates (751), a threaded rod (752), a driving motor B (753) and a nut seat (754); The two side plates (751) are fixed to the sides of the rectangular frame (1), and the threaded rod (752) is rotatably mounted on the two side plates (751); The driving motor B (753) is fixed on one of the side plates (751), and the output shaft is fixedly connected to one end of the threaded rod (752); The nut seat (754) is thread-matched and sleeved on the threaded rod (752), and is slidably fitted with the side surface of the rectangular frame (1); The connecting frame (73) is fixed on the nut seat (754) via a connecting rod (755).

7. The waveguide antenna fixing bracket according to claim 1, characterized in that: The top end surface and the bottom end surface of the arc-shaped reflector (3) are both provided with an arc-shaped groove (32) that is consistent with the arc shape of the arc-shaped reflector; The two upper traction swing arms (4) are both provided with vertically penetrating threaded holes (51), and the two threaded holes (51) are both threadedly matched and threadedly threaded with adjusting screws (52); The two upper roller bodies (5) are both limitedly clamped in the upper arc groove (32), and the tops of the two upper roller bodies (5) are rotatably connected to the bottom ends of the corresponding adjusting screws (52). The bottom of each adjusting screw rod (52) is provided with a twist handle (521).

8. The waveguide antenna fixing bracket according to claim 7, characterized in that: A rotating rod (53) is fixed on each of the two traction swing arms (4) below; The two roller bodies (5) below are respectively limitedly clamped in the arc-shaped groove (32) below, and the two roller bodies (5) below are respectively rotatably connected to the top of the corresponding rotating rod (53).

9. The waveguide antenna fixing bracket according to claim 1, characterized in that: A bottom air bag (15) is fixed on the top of a base (14) fixed on the inner bottom wall of the rectangular frame (1), and a bottom clamping seat (16) for the bottom of the waveguide array antenna group (2) to abut against is fixed on the top of the bottom air bag (15); A top airbag (12) is fixed below a top seat (11) fixed on the inner top wall of the rectangular frame (1), and a top clamping seat (13) for the top of the waveguide array antenna group (2) to abut against is fixed below the top airbag (12); The waveguide array antenna group (2) is installed between the top clamping seat (13) and the bottom clamping seat (16).

10. The waveguide antenna fixing bracket according to claim 9, characterized in that: The waveguide antenna fixing bracket is also equipped with an air distribution unit, which is used to inflate and deflate the top airbag (12) and the bottom airbag (15) respectively; The expansion and contraction actions of the top airbag (12) and the bottom airbag (15) during inflation and deflation both occur in the vertical direction.

Images