Base station antenna angle adjustment device

Abstract

This invention provides a base station antenna angle adjustment device, including an active adjustment mechanism and a passive adjustment mechanism. The active adjustment mechanism includes an azimuth adjustment component, a tilt adjustment component, and an adjustment locking component. The tilt adjustment component includes a first angle arm seat, a first adjustment arm, and a first transmission component. The azimuth adjustment component includes a first support plate and a second transmission component. The passive adjustment mechanism includes a second angle arm seat, a first passive adjustment component, and a second passive adjustment component. The adjustment locking component drives the first transmission component to move radially along the support rod, while the first passive adjustment component rotates axially perpendicular to the support rod as the first adjustment arm moves, thereby adjusting the downtilt angle of the base station antenna. The adjustment locking component drives the second transmission component to rotate the first support plate around the tilt adjustment component, while the second passive adjustment component rotates synchronously with the first support plate, thereby adjusting the azimuth angle of the base station antenna.

Description

Technical Field

[0001] This invention relates to the field of base station antenna technology, and in particular to a base station antenna angle adjustment device. Background Technology

[0002] In mobile communication networks, the precise adjustment of the downtilt and azimuth angles of base station antennas is crucial for ensuring network coverage quality and signal strength. The downtilt angle determines the signal coverage range in the vertical direction, while the azimuth angle determines the signal direction in the horizontal direction. Therefore, accurate adjustment of these two angles is a key aspect of base station deployment and maintenance.

[0003] Currently, the adjustment of the downtilt angle and horizontal azimuth angle of base station antennas is mainly carried out in two ways. The first method relies on the traditional manual adjustment method, in which the operator needs to first loosen the fasteners securing the antenna to the bracket, then manually move or rotate the antenna to the required angle, and finally tighten the fasteners to fix the antenna position. However, this method has significant inconveniences. Especially in the process of adjusting base station antennas that require a large downtilt angle, because the azimuth angle adjustment and the position of the fasteners are relatively far from the pole (the structure supporting the antenna), the operator often finds it difficult to tighten the fasteners with one hand while holding the antenna steady with the other. This not only increases the complexity of the operation, but may also lead to a decrease in adjustment accuracy, affecting the actual coverage effect of the base station.

[0004] Another adjustment scheme involves using an electrically controlled motor to automatically adjust the downtilt and azimuth angles of the base station antenna. While this method theoretically greatly improves the accuracy and efficiency of adjustment, it faces many limitations in practical applications. Since most base station towers lack the facilities to power the motors, the application scenarios for this electrically controlled adjustment scheme are very limited, making it difficult to implement in large quantities on a wide scale.

[0005] In view of the above problems, there is an urgent need for a base station antenna adjustment device that can overcome the inconvenience of manual adjustment and adapt to various application scenarios. Summary of the Invention

[0006] This invention provides a base station antenna angle adjustment device to solve the inconvenience of manually adjusting the base station antenna angle.

[0007] This invention provides a base station antenna angle adjustment device for mounting a base station antenna on a pole, comprising:

[0008] An active adjustment mechanism includes an azimuth adjustment component, a tilt adjustment component, and an adjustment locking component. The tilt adjustment component includes a first angle arm seat, a first adjusting arm, and a first transmission component. The first angle arm seat is fixed to the mast, and the first adjusting arm is rotatably connected to the first angle arm seat via the first transmission component. The azimuth adjustment component includes a first support plate and a second transmission component. The first support plate is fixed to the upper end of the base station antenna, and the second transmission component is disposed on the first adjusting arm. The first support plate is rotatably connected to the first adjusting arm via the second transmission component. The adjustment locking component is provided on both the first and second transmission components, and the adjustment locking component drives and locks the first and second transmission components.

[0009] The driven adjustment mechanism includes a second corner arm seat, a first driven adjustment component, and a second driven adjustment component. The second corner arm seat is fixed to the mast. One end of the first driven adjustment component is rotatably connected to the second corner arm seat. The other end of the first driven adjustment component is rotatably connected to one end of the second driven adjustment component. The other end of the second driven adjustment component is fixedly connected to the lower end of the base station antenna.

[0010] Specifically, by driving the first transmission assembly, the first adjusting arm moves radially along the support rod, and the first driven adjusting assembly rotates axially perpendicular to the support rod as the first adjusting arm moves; by driving the second transmission assembly, the first support plate rotates around the tilt adjustment assembly, and the second driven adjusting assembly rotates synchronously with the first support plate.

[0011] According to the base station antenna angle adjustment device provided by the present invention, the first angle arm seat includes two lugs extending along the axial direction of the support rod, and each lug is provided with a first sliding groove extending along the axial direction of the support rod;

[0012] The first adjusting arm is clamped between the two supporting ears. The first adjusting arm includes two opposing first arms. The holding rod is located between the two first arms. Each first arm is provided with a second sliding groove extending along the length direction of the first arm.

[0013] The first transmission assembly includes a first drive gear and a rack. The rack is fixed to the inner side of the first support arm and is arranged on one side of the second slide groove along the length direction of the first support arm. The first drive gear is arranged perpendicular to the first support arm, and the two ends of the first drive gear are respectively inserted into the second slide groove and the first slide groove. The first drive gear meshes with the rack, and by driving the first drive gear, the first adjusting arm is driven to slide radially along the holding rod.

[0014] According to the base station antenna angle adjustment device provided by the present invention, the first support plate includes two clamping plates arranged opposite to each other, and one end of the first adjustment arm near the base station antenna is clamped between the two clamping plates; the second transmission assembly includes a second drive gear, a long rotating shaft, a first helical gear and a second helical gear.

[0015] The second drive gear passes through the top edge of the first support arm along the thickness direction of the first adjusting arm.

[0016] The long rotating shaft is rotatably disposed on the inner side of the first support arm along the length direction of the first adjusting arm;

[0017] The first helical gear passes through the two first support arms along the width direction of the first adjusting arm. The first helical gear includes a first helical tooth located at the end and a second helical tooth located in the middle. The first helical tooth meshes with the second drive gear through the long rotating shaft.

[0018] The two ends of the second helical gear are respectively inserted through the first adjusting arm and the first support plate along the thickness direction of the first adjusting arm. The second helical gear is fixedly connected to the first support plate and rotatably connected to the first adjusting arm. The second helical gear meshes with the second helical tooth.

[0019] According to the base station antenna angle adjustment device provided by the present invention, the second transmission component includes at least one second drive gear. The second drive gear has a third helical tooth at one end near the long rotating shaft. The long rotating shaft includes a rotating shaft body and at least two fourth helical teeth located on the rotating shaft body. One of the fourth helical teeth is located at one end of the rotating shaft body near the base station antenna, and the remaining fourth helical teeth are correspondingly engaged with the third helical tooth.

[0020] According to the base station antenna angle adjustment device provided by the present invention, the azimuth angle adjustment component further includes a fixing base, the fixing base being fixed to the inner side of the first support arm, and the long rotating shaft being rotatably mounted on the fixing base.

[0021] According to the base station antenna angle adjustment device provided by the present invention, one end of the first drive gear and the second drive gear are provided with limiting teeth. The adjustment locking assembly includes a mounting plate, an adjustment rod and an adjustment knob. The mounting plate is fixed on the tilt adjustment assembly. The mounting plate is provided with a clearance hole. The limiting teeth extend out of the outside of the mounting plate through the clearance hole. The adjustment rod is rotatably disposed on the outside of the mounting plate. The side of the adjustment rod facing the limiting teeth is provided with a limiting tooth group. The adjustment knob is detachably mounted on the end faces of the first drive gear and the second drive gear provided with the limiting teeth.

[0022] When the limiting gear assembly is engaged with the limiting tooth, the adjusting locking assembly locks the first drive gear or the second drive gear; when the limiting gear assembly is disengaged from the limiting tooth, the first drive gear or the second drive gear is driven to rotate by rotating the adjusting knob.

[0023] According to the base station antenna angle adjustment device provided by the present invention, the adjustment locking assembly further includes a limiting rod, and a limiting block is provided on the outer side of the mounting plate. One end of the limiting rod is rotatably connected to the mounting plate, and the other end of the limiting rod elastically abuts against the limiting block. The limiting rod has two toothed grooves on the side facing the limiting tooth, and the adjusting rod has a toothed protrusion at the end near the limiting rod. The adjusting rod and the limiting rod abut against each other through the toothed protrusion and the toothed groove. By rotating the adjusting rod, the limiting rod is pushed to rotate towards the side near the limiting block, thereby causing the toothed protrusion to switch between the two toothed grooves.

[0024] Specifically, when the toothed protrusion is embedded in the toothed groove near the limiting tooth, the limiting tooth assembly engages with the limiting tooth; when the toothed protrusion is embedded in the toothed groove away from the limiting tooth, the limiting tooth assembly separates from the limiting tooth.

[0025] According to the base station antenna angle adjustment device provided by the present invention, the adjustment locking assembly further includes an elastic element, a limiting post is provided on the side of the limiting rod facing the limiting block, a limiting hole is provided on the limiting block, one end of the elastic element is sleeved on the limiting post, and the other end of the elastic element is embedded in the limiting hole.

[0026] According to the base station antenna angle adjustment device provided by the present invention, the first driven adjustment component includes a second adjustment arm and a first rotating component, the second driven adjustment component includes a second support plate and a second rotating component, the second support plate is fixed to the lower end of the base station antenna, one end of the second adjustment arm is rotatably connected to the second angle arm seat through the first rotating component, and the other end of the second adjustment arm is rotatably connected to the second support plate through the second rotating component.

[0027] According to the base station antenna angle adjustment device provided by the present invention, the first rotating component is arranged perpendicular to the axial direction of the support rod, and the second rotating component is arranged parallel to the axial direction of the support rod.

[0028] The above-described technical solution of the present invention has the following beneficial effects:

[0029] The base station antenna angle adjustment device of the present invention connects the base station antenna to the mast through an active adjustment mechanism and a passive adjustment mechanism. During downtilt adjustment, an adjustment locking assembly drives a first transmission assembly to move a first adjustment arm radially along the mast, thereby adjusting the distance between the upper end of the base station antenna and the mast. Simultaneously, the first passive adjustment assembly rotates a certain angle along an axis perpendicular to the mast as the first adjustment arm moves, thus adjusting the downtilt angle of the base station antenna. During azimuth adjustment, an adjustment locking assembly drives a second transmission assembly to rotate a first support plate around the tilt adjustment assembly. Simultaneously, the second passive adjustment assembly rotates synchronously with the first support plate, thereby adjusting the azimuth angle of the base station antenna. The base station antenna angle adjustment device of the present invention simplifies the adjustment process, reduces the time required for adjustment, and improves the accuracy and efficiency of adjustment. It effectively solves the problem of inconvenient adjustment of the downtilt angle and horizontal azimuth angle of the base station antenna, ensuring that the base station antenna can accurately and stably achieve the expected coverage effect. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the base station antenna angle adjustment device provided in an embodiment of the present invention;

[0032] Figure 2 This is a schematic diagram of the tilt adjustment component provided in an embodiment of the present invention in a small-angle adjustment state;

[0033] Figure 3 This is a schematic diagram of the tilt adjustment component provided in an embodiment of the present invention under a large-angle adjustment state;

[0034] Figure 4 This is one of the structural schematic diagrams of the azimuth adjustment component provided in the embodiments of the present invention;

[0035] Figure 5 An exploded view of the azimuth adjustment component provided in an embodiment of the present invention;

[0036] Figure 6 This is a second schematic diagram of the azimuth adjustment component provided in an embodiment of the present invention;

[0037] Figure 7 This is a schematic diagram of the azimuth adjustment component provided in an embodiment of the present invention after adjusting the azimuth angle by 90°;

[0038] Figure 8 This is one of the structural schematic diagrams of the adjusting locking assembly provided in an embodiment of the present invention;

[0039] Figure 9 This is a second schematic diagram of the structure of the adjusting locking assembly provided in an embodiment of the present invention;

[0040] Figure 10 This is one of the structural schematic diagrams of the driven adjustment mechanism provided in an embodiment of the present invention;

[0041] Figure 11 This is a second schematic diagram of the driven adjustment mechanism provided in an embodiment of the present invention.

[0042] Figure label:

[0043] 1. Azimuth adjustment assembly; 2. Tilt adjustment assembly; 3. Adjustment locking assembly; 4. Second angle arm seat; 5. Second adjusting arm; 6. First rotating component; 7. Second support plate; 8. Second rotating component; 11. First support plate; 12. Second transmission assembly; 13. Fixed seat; 21. First angle arm seat; 22. First adjusting arm; 23. First transmission assembly; 31. Mounting plate; 32. Adjusting rod; 33. Limiting rod; 34. Adjusting knob; 35. Elastic element; 100. Base station antenna; 101. Base station antenna bracket; 121. Second drive gear; 122. Long rotating shaft; 123. First helical gear; 124. 200. Second helical gear; 200. Support rod; 300. Active adjustment mechanism; 400. Driven adjustment mechanism; 201. First fixed bracket; 202. Second fixed bracket; 211. First slide groove; 221. First support arm; 222. Second slide groove; 231. First drive gear; 232. Rack; 311. Clearance hole; 312. Limiting block; 321. Limiting tooth assembly; 322. Toothed protrusion; 331. Toothed groove; 332. Limiting post; 2201. First through hole; 2202. Second through hole; 2203. Third through hole; 1101. Fifth through hole; 2311. Limiting tooth; 2312. Mounting hole. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0045] Please see Figures 1-11The present invention provides a base station antenna angle adjustment device for adjusting the azimuth angle and downtilt angle of a base station antenna 100. It includes an active adjustment mechanism 300 and a passive adjustment mechanism 400. The upper end of the base station antenna 100 is connected to a support pole 200 through the active adjustment mechanism 300, and the lower end of the base station antenna 100 is connected to the support pole 200 through the passive adjustment mechanism 400.

[0046] The active adjustment mechanism 300 includes an azimuth adjustment component 1, a tilt adjustment component 2, and an adjustment locking component 3. The tilt adjustment component 2 includes a first angle arm seat 21, a first adjusting arm 22, and a first transmission component 23. The first angle arm seat 21 is fixed to the mast 200, and the first adjusting arm 22 is connected to the first angle arm seat 21 via the first transmission component 23. The first adjusting arm 22 moves radially along the mast 200 under the transmission of the first transmission component 23.

[0047] The azimuth adjustment assembly 1 includes a first support plate 11 and a second transmission assembly 12. The first support plate 11 is fixed to the upper end of the base station antenna 100, and the second transmission assembly 12 is disposed on the first adjustment arm 22. The first support plate 11 is rotatably connected to the first adjustment arm 22 through the second transmission assembly 12. The first support plate 11 rotates around the first adjustment arm 22 under the transmission of the second transmission assembly 12, thereby driving the base station antenna 100 to rotate synchronously.

[0048] Both the first transmission assembly 23 and the second transmission assembly 12 are provided with an adjustment locking assembly 3. The adjustment locking assembly 3 connected to the first transmission assembly 23 is used to drive and lock the first transmission assembly 23, and the adjustment locking assembly 3 connected to the second transmission assembly 12 is used to drive and lock the second transmission assembly 12.

[0049] The driven adjustment mechanism 400 includes a second corner arm seat 4, a first driven adjustment component, and a second driven adjustment component. The second corner arm seat 4 is fixed on the support rod 200. One end of the first driven adjustment component is rotatably connected to the second corner arm seat 4, and the other end of the first driven adjustment component is rotatably connected to one end of the second driven adjustment component. The other end of the second driven adjustment component is fixedly connected to the lower end of the base station antenna 100.

[0050] In the downtilt angle adjustment process, the adjustment locking assembly 3 drives the first transmission assembly 23 to move the first adjustment arm 22 radially along the support rod 200, thereby adjusting the distance between the upper end of the base station antenna 100 and the support rod 200. Simultaneously, the first driven adjustment assembly rotates a certain angle with the first adjustment arm 22 about an axis perpendicular to the axial direction of the support rod 200, thus adjusting the downtilt angle of the base station antenna 100. In the azimuth angle adjustment process, the adjustment locking assembly 3 drives the second transmission assembly 12 to rotate the first support plate 11 around the tilt angle adjustment assembly 2. Simultaneously, the second driven adjustment assembly rotates synchronously with the first support plate 11 around the first driven adjustment assembly, thereby adjusting the azimuth angle of the base station antenna 100. The base station antenna angle adjustment device of the present invention can effectively solve the problem of inconvenient adjustment of the downtilt angle and horizontal azimuth angle of the base station antenna, reducing adjustment time and improving adjustment efficiency.

[0051] Specifically, such as Figure 2 As shown, the tilt adjustment assembly 2 includes a first angle arm seat 21, a first adjusting arm 22, and a first transmission assembly 23. A first fixed bracket 201 is mounted on the support rod 200. One end of the first angle arm seat 21 is fixed to the first fixed bracket 201. The other end of the first angle arm seat 21 has two lugs extending along the axial direction of the support rod 200. Each lug has a first sliding groove 211 extending along the axial direction of the support rod 200. The first adjusting arm 22 is sandwiched between the two lugs and includes two opposing first arms 221. The support rod 200 is located between the two first arms 221. Each first arm 221 has a second sliding groove 222 extending along the length direction of the first arm 221.

[0052] The two first arms 221 can be integrally formed or can be set separately; there is no restriction here.

[0053] The first transmission assembly 23 includes a first drive gear 231 and at least one rack 232. The top edges of the two first arms 221 extend from opposite sides. The rack 232 is fixed to the bottom edge of the inner side of the first arms 221 and is positioned along the length of the first arms 221 below the second slide groove 222. Specifically, the teeth of the rack 232 are positioned close to the lower edge of the second slide groove 222, and the uppermost end of the teeth of the rack 232 is slightly lower than the opening of the second slide groove 222. The two second slide grooves 222 on the first adjusting arm 22 are located inside the two first slide grooves 211 of the first angle arm seat 21. The first drive gear 231 is set perpendicular to the first support arm 221, and the two ends of the first drive gear 231 are respectively inserted into the second slide groove 222 and the first slide groove 211. The first drive gear 231 meshes with the rack 232, and the first adjusting arm 22 is driven to slide radially along the rod 200 by driving the first drive gear 231.

[0054] Specifically, the first drive gear 231 is a spur gear, with the middle part of the first drive gear 231 being a gear and the two ends being cylindrical.

[0055] The first drive gear 231 has its two ends abutting against the two second sliding grooves 222 of the first adjusting arm 22, allowing it to slide within these grooves. Simultaneously, the two ends of the first drive gear 231 are also positioned within the two first sliding grooves 211 of the first angled arm seat 21, allowing it to slide within these grooves as well. When the first drive gear 231 is rotated, it slides precisely within the second sliding grooves 222 of the first adjusting arm 22.

[0056] When it is necessary to adjust the downtilt angle, simply rotate the first drive gear 231. The first drive gear 231 can slide in the second slide groove 222 of the first adjusting arm 22. Since the two ends of the first drive gear 231 are also placed in the two first slide grooves 211 of the first angle arm seat 21, the first drive gear 231 cannot move in the horizontal direction (i.e., the radial direction of the rod). Only the first adjusting arm 22 can move in the horizontal direction, which can drive the upper end of the base station antenna 100 to move in the horizontal direction, thus completing the downtilt angle adjustment.

[0057] like Figure 2 and Figure 3 As shown, during the process of the base station antenna 100 changing from a small angle to a large angle, the first drive gear 231 also moves from the lower end of the first slide groove 211 to the upper end of the first slide groove 211 to adapt to the change in tilt angle.

[0058] like Figures 4-6As shown, the azimuth adjustment assembly 1 includes a first support plate 11, a second transmission assembly 12, and a fixing base 13. The first support plate 11 is fixed to the upper end of the base station antenna 100 by a base station antenna bracket 101. The first support plate 11 is a U-shaped plate and includes two clamping plates arranged opposite each other. The end of the first adjustment arm 22 near the base station antenna 100 is clamped between the two clamping plates. At least one first support arm 221 has one or more first through holes 2201 on its top edge. Two first support arms 221 have a pair of second through holes 2202 symmetrically arranged at their ends near the base station antenna 100. The end of the first adjustment arm 22 near the base station antenna 100 has a pair of third through holes 2203 along its thickness direction.

[0059] The second transmission assembly 12 includes a second drive gear 121, a long rotating shaft 122, a first helical gear 123, and a second helical gear 124. The number of second drive gears 121 corresponds to the number of first through holes 2201. Each second drive gear 121 passes through the first through hole 2201 of the first support arm 221 along the thickness direction of the first adjusting arm 22 and can rotate within the first through hole 2201. A fixed base 13 is fixed to the inner side of the first support arm 221. The long rotating shaft 122 passes through the fixed base 13 along the length direction of the first adjusting arm 22. The fixed base 13 has a fourth through hole through which the long rotating shaft 122 is rotatably mounted.

[0060] The first helical gear 123 passes through the second through holes 2202 of the two first support arms 221 along the width direction of the first adjusting arm 22. The first helical gear 123 includes a first helical tooth at the end and a second helical tooth at the middle. The first helical tooth meshes with the second drive gear 121 through the long rotating shaft 122. The two ends of the second helical gear 124 pass through the third through hole 2203 and the fifth through hole 1101 of the first support plate 11 along the thickness direction of the first adjusting arm 22, respectively. The second helical gear 124 is fixedly connected to the first support plate 11 and rotatably connected to the first adjusting arm 22. The second helical gear 124 meshes with the second helical tooth at the middle of the first helical gear 123.

[0061] The second drive gear 121 has a third helical tooth at one end near the long rotating shaft 122, and a cylindrical end away from the long rotating shaft 122. The cylindrical end of the second drive gear 121 is placed in the first through hole 2201 of the first support arm 221. The long rotating shaft 122 includes a shaft body and at least two fourth helical teeth located on the shaft body. One of the fourth helical teeth is located at the end of the shaft body near the base station antenna 100, and the remaining fourth helical teeth mesh with the third helical tooth one by one. Figure 6 As shown in the figure. The axis of the long rotating shaft 122 is parallel to the second slide groove 222 of the first adjusting arm 22.

[0062] Among them, the first helical tooth, the second helical tooth, the third helical tooth and the fourth helical tooth are all 45° helical teeth.

[0063] like Figure 4 , Figure 6 and Figure 7 As shown, when the azimuth angle needs to be adjusted, rotating any one of the second drive gears 121 causes the long rotating shaft 122 to rotate. The rotation of the long rotating shaft 122 drives the first helical gear 123 to rotate, which in turn drives the second helical gear 124 to rotate. The rotation of the second helical gear 124 causes the first support plate 11 and the base station antenna 100 to rotate relative to the mast 200, thus completing the azimuth angle adjustment. Since multiple second drive gears 121 are spaced apart on the first adjusting arm 22, regardless of the downtilt angle, there is always one second drive gear 121 near the mast 200, allowing for convenient azimuth angle adjustment.

[0064] like Figure 2 and Figure 6 As shown, adjustment and locking components 3 are provided on the first drive gear 231 and the plurality of second drive gears 121 respectively. The adjustment and locking components 3 are fixed on the tilt adjustment components 2, and each adjustment and locking component 3 is used to drive or lock the corresponding drive gear.

[0065] like Figure 8 and Figure 9 As shown, taking the first drive gear 231 as an example, one end of the first drive gear 231 is provided with a limiting tooth 2311, and the end face of the first drive gear 231 with the limiting tooth 2311 is provided with a mounting hole 2312. The adjusting locking assembly 3 includes a mounting plate 31, an adjusting rod 32 and an adjusting knob 34. The mounting plate 31 is fixed on the lug of the first angle arm seat 21. The mounting plate 31 is provided with a clearance hole 311. The limiting tooth 2311 passes through the clearance hole 311 and extends out of the outside of the mounting plate 31. The adjusting rod 32 is rotatably set on the outside of the mounting plate 31. The side of the adjusting rod 32 facing the limiting tooth 2311 is provided with a limiting tooth group 321, which is adapted to the limiting tooth 2311. The adjustment knob 34 includes a knob part and a connecting part. The connecting part is adapted to the mounting hole 2312. The adjustment knob 34 is detachably installed in the mounting hole 2312 of the first drive gear 231 through the connecting part.

[0066] When the limiting gear assembly 321 is engaged with the limiting gear 2311, the adjusting locking assembly 3 can lock the first drive gear 231, restricting the rotation of the first drive gear 231. When the limiting gear assembly 321 is disengaged from the limiting gear 2311, the first drive gear 231 can be driven to rotate by rotating the adjusting knob 34.

[0067] Furthermore, the adjusting locking assembly 3 also includes a limiting rod 33, which limits the rotational position of the adjusting rod 32. A limiting block 312 is also provided on the outer side of the mounting plate 31. One end of the limiting rod 33 is rotatably connected to the mounting plate 31, and the other end of the limiting rod 33 elastically abuts against the limiting block 312. The limiting block 312 restricts the rotational position of the limiting rod 33. The limiting rod 33 has two toothed grooves 331 on the side facing the limiting tooth 2311. The adjusting rod 32 has a toothed protrusion 322 at the end near the limiting rod 33. The adjusting rod 32 and the limiting rod 33 abut against each other through the toothed protrusion 322 and the toothed grooves 331. By rotating the adjusting rod 32, the limiting rod 33 is pushed to rotate towards the side near the limiting block 312, thereby causing the toothed protrusion 322 to switch between the two toothed grooves 331.

[0068] When the toothed protrusion 322 is embedded in the toothed groove 331 on the side close to the limiting tooth 2311, the limiting tooth assembly 321 engages with the limiting tooth 2311; when the toothed protrusion 322 is embedded in the toothed groove 331 on the side away from the limiting tooth 2311, the limiting tooth assembly 321 separates from the limiting tooth 2311.

[0069] Furthermore, the adjusting locking assembly 3 also includes an elastic element 35. The limiting rod 33 has a limiting post 332 on the side facing the limiting block 312. The limiting block 312 has a limiting hole. One end of the elastic element 35 is sleeved on the limiting post 332, and the other end of the elastic element 35 is embedded in the limiting hole to prevent the elastic element 35 from popping out during use.

[0070] Among them, the elastic element 35 can be a spring, but is not limited to this.

[0071] In one embodiment, the outer side of the mounting plate 31 is provided with a first mounting post and a second mounting post, and the adjusting rod 32 and the limiting rod 33 are rotatably mounted on the mounting plate 31 through the first mounting post and the second mounting post, respectively.

[0072] It is understandable that one end of the second drive gear 121 is also provided with a limiting tooth and a mounting hole. The structure of the limiting tooth and mounting hole of the second drive gear 121 is similar to that of the limiting tooth and mounting hole of the first drive gear 231. Furthermore, the connection method between the second drive gear 121 and the adjusting locking component 3 is similar to that between the first drive gear 231 and the adjusting locking component 3, which will not be elaborated here.

[0073] When angle adjustment is required, rotate the adjusting rod 32 until the toothed protrusion 322 is engaged in the toothed groove 331 on the side away from the limiting tooth 2311. At this time, the limiting tooth assembly 321 is separated from the limiting tooth 2311, and the angle is adjusted by rotating the adjusting knob 34. After the angle adjustment is completed, rotate the adjusting rod 32 until the toothed protrusion 322 is engaged in the toothed groove 331 on the side close to the limiting tooth 2311. At this time, the limiting tooth assembly 321 meshes with the limiting tooth 2311, which restricts the rotation of the drive gear and ensures that the angle remains unchanged after adjustment. Since the spring on the limiting rod 33 holds the limiting rod 33 in place, and the limiting rod 33 also holds the adjusting rod 32, the adjusting rod 32 cannot change its state on its own without external force, thus improving the stability of angle adjustment.

[0074] like Figure 10 and Figure 11 As shown, the driven adjustment mechanism 400 includes a second angled arm seat 4, a first driven adjustment assembly, and a second driven adjustment assembly. The first driven adjustment assembly includes a second adjustment arm 5 and a first rotating component 6. The second driven adjustment assembly includes a second support plate 7 and a second rotating component 8. A second fixed bracket 202 is fixed on the mast 200. The second angled arm seat 4 is fixed to the mast 200 via the second fixed bracket 202. The second support plate 7 is fixed to the lower end of the base station antenna 100 via the base station antenna bracket 101. One end of the second adjustment arm 5 is rotatably connected to the second angled arm seat 4 via the first rotating component 6, and the other end of the second adjustment arm 5 is rotatably connected to the second support plate 7 via the second rotating component 8. The first rotating component 6 is perpendicular to the axial direction of the mast 200, and the second rotating component 8 is parallel to the axial direction of the mast 200.

[0075] The first rotating component 6 has its two ends sequentially mounted on the second angle arm seat 4 and the second adjusting arm 5, respectively. The second adjusting arm 5 is capable of rotating around the axial direction of the first rotating component 6. The second rotating component 8 has its two ends sequentially mounted on the second adjusting arm 5 and the second support plate 7, respectively. The second support plate 7 is capable of rotating around the axial direction of the second rotating component 8.

[0076] The second support plate 7 is a U-shaped plate, and its structure is similar to that of the first support plate 11, so it will not be described in detail here.

[0077] The first rotating component 6 can be a spur gear or a conventional rotating shaft, and the second rotating component 8 can be a helical gear or a conventional rotating shaft, as long as the rotating connection between the components can be achieved.

[0078] It should be noted that the driven adjustment mechanism 400 itself does not have the ability to drive rotation, but it can rotate along with the tilt adjustment component 2 and the azimuth adjustment component 1, ultimately realizing the adjustment of the base station antenna angle. Specifically, during the downtilt adjustment process, since the axis of the first rotating component 6 is parallel to the axis of the first driving gear 231, the second adjusting arm 5 can drive the lower end of the base station antenna to rotate along the axis of the first rotating component 6 during the movement of the first adjusting arm 22, in order to adapt to the tilt adjustment. During the azimuth adjustment process, since the axis of the second rotating component 8 is parallel to the axis of the second helical gear 124, the second supporting plate 7 can drive the lower end of the base station antenna to rotate around the axis of the second rotating component 8 during the rotation of the first supporting plate 11 driven by the second helical gear 124, in order to adapt to the azimuth adjustment.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A base station antenna angle adjustment device for mounting a base station antenna on a pole, characterized in that, include: An active adjustment mechanism includes an azimuth adjustment component, a tilt adjustment component, and an adjustment locking component. The tilt adjustment component includes a first angle arm seat, a first adjusting arm, and a first transmission component. The first angle arm seat is fixed to the mast, and the first adjusting arm is rotatably connected to the first angle arm seat via the first transmission component. The azimuth adjustment component includes a first support plate and a second transmission component. The first support plate is fixed to the upper end of the base station antenna, and the second transmission component is disposed on the first adjusting arm. The first support plate is rotatably connected to the first adjusting arm via the second transmission component. The adjustment locking component is provided on both the first and second transmission components, and the adjustment locking component drives and locks the first and second transmission components. The driven adjustment mechanism includes a second corner arm seat, a first driven adjustment component, and a second driven adjustment component. The second corner arm seat is fixed to the mast. One end of the first driven adjustment component is rotatably connected to the second corner arm seat. The other end of the first driven adjustment component is rotatably connected to one end of the second driven adjustment component. The other end of the second driven adjustment component is fixedly connected to the lower end of the base station antenna. Specifically, by driving the first transmission assembly, the first adjusting arm moves radially along the support rod, and the first driven adjusting assembly rotates axially perpendicular to the support rod as the first adjusting arm moves; by driving the second transmission assembly, the first support plate rotates around the tilt adjustment assembly, and the second driven adjusting assembly rotates synchronously with the first support plate.

2. The base station antenna angle adjustment device according to claim 1, characterized in that, The first angle arm seat includes two lugs extending along the axial direction of the rod, and each lug is provided with a first sliding groove extending along the axial direction of the rod; The first adjusting arm is clamped between the two supporting ears. The first adjusting arm includes two opposing first arms. The holding rod is located between the two first arms. Each first arm is provided with a second sliding groove extending along the length direction of the first arm. The first transmission assembly includes a first drive gear and a rack. The rack is fixed to the inner side of the first support arm and is arranged on one side of the second slide groove along the length direction of the first support arm. The first drive gear is arranged perpendicular to the first support arm, and the two ends of the first drive gear are respectively inserted into the second slide groove and the first slide groove. The first drive gear meshes with the rack, and by driving the first drive gear, the first adjusting arm is driven to slide radially along the holding rod.

3. The base station antenna angle adjustment device according to claim 2, characterized in that, The first support plate includes two clamping plates arranged opposite each other, and the end of the first adjusting arm near the base station antenna is clamped between the two clamping plates; the second transmission assembly includes a second drive gear, a long rotating shaft, a first helical gear and a second helical gear; The second drive gear passes through the top edge of the first support arm along the thickness direction of the first adjusting arm. The long rotating shaft is rotatably disposed on the inner side of the first support arm along the length direction of the first adjusting arm; The first helical gear passes through the two first support arms along the width direction of the first adjusting arm. The first helical gear includes a first helical tooth located at the end and a second helical tooth located in the middle. The first helical tooth meshes with the second drive gear through the long rotating shaft. The two ends of the second helical gear are respectively inserted through the first adjusting arm and the first support plate along the thickness direction of the first adjusting arm. The second helical gear is fixedly connected to the first support plate and rotatably connected to the first adjusting arm. The second helical gear meshes with the second helical tooth.

4. The base station antenna angle adjustment device according to claim 3, characterized in that, The second transmission assembly includes at least one second drive gear. The second drive gear has a third helical tooth at one end near the long rotating shaft. The long rotating shaft includes a rotating shaft body and at least two fourth helical teeth located on the rotating shaft body. One of the fourth helical teeth is located at the end of the rotating shaft body near the base station antenna, and the remaining fourth helical teeth are meshed with the third helical tooth in a corresponding manner.

5. The base station antenna angle adjustment device according to claim 3, characterized in that, The azimuth adjustment assembly also includes a fixing base, which is fixed to the inner side of the first support arm, and the long rotating shaft is rotatably mounted on the fixing base.

6. The base station antenna angle adjustment device according to claim 3, characterized in that, Both the first drive gear and the second drive gear have a limiting tooth at one end. The adjustment locking assembly includes a mounting plate, an adjusting rod, and an adjusting knob. The mounting plate is fixed to the tilt adjustment assembly. The mounting plate has a clearance hole. The limiting tooth passes through the clearance hole and extends out of the outside of the mounting plate. The adjusting rod is rotatably disposed on the outside of the mounting plate. The side of the adjusting rod facing the limiting tooth has a limiting tooth group. The adjusting knob is detachably mounted on the end face of the first drive gear and the second drive gear that has the limiting tooth. When the limiting tooth group is engaged with the limiting tooth, the adjusting locking component locks the first drive gear or the second drive gear. With the limiting gear assembly separated from the limiting gear, the first drive gear or the second drive gear can be driven to rotate by rotating the adjustment knob.

7. The base station antenna angle adjustment device according to claim 6, characterized in that, The adjusting locking assembly also includes a limiting rod, and a limiting block is provided on the outer side of the mounting plate. One end of the limiting rod is rotatably connected to the mounting plate, and the other end of the limiting rod elastically abuts against the limiting block. The limiting rod has two toothed grooves on the side facing the limiting tooth, and the adjusting rod has a toothed protrusion on the end near the limiting rod. The adjusting rod and the limiting rod abut against each other through the toothed protrusion and the toothed groove. By rotating the adjusting rod, the limiting rod is pushed to rotate towards the side near the limiting block, thereby causing the toothed protrusion to switch between the two toothed grooves. Specifically, when the toothed protrusion is embedded in the toothed groove near the limiting tooth, the limiting tooth assembly engages with the limiting tooth; when the toothed protrusion is embedded in the toothed groove away from the limiting tooth, the limiting tooth assembly separates from the limiting tooth.

8. The base station antenna angle adjustment device according to claim 7, characterized in that, The adjusting locking assembly also includes an elastic element. The limiting rod has a limiting post on the side facing the limiting block. The limiting block has a limiting hole. One end of the elastic element is sleeved on the limiting post, and the other end of the elastic element is embedded in the limiting hole.

9. The base station antenna angle adjustment device according to claim 1, characterized in that, The first driven adjustment assembly includes a second adjustment arm and a first rotating component. The second driven adjustment assembly includes a second support plate and a second rotating component. The second support plate is fixed to the lower end of the base station antenna. One end of the second adjustment arm is rotatably connected to the second angle arm seat through the first rotating component, and the other end of the second adjustment arm is rotatably connected to the second support plate through the second rotating component.

10. The base station antenna angle adjustment device according to claim 9, characterized in that, The first rotating component is arranged perpendicular to the axial direction of the rod, and the second rotating component is arranged parallel to the axial direction of the rod.

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