CN112787074B - Multi-array base station antenna with self-adjusting function - Google Patents
Multi-array base station antenna with self-adjusting function Download PDFInfo
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- CN112787074B CN112787074B CN202011645038.6A CN202011645038A CN112787074B CN 112787074 B CN112787074 B CN 112787074B CN 202011645038 A CN202011645038 A CN 202011645038A CN 112787074 B CN112787074 B CN 112787074B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
- H01Q3/06—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation over a restricted angle
Abstract
The invention relates to a multi-array base station antenna with a self-adjusting function, which comprises an antenna main body, an upper bracket and a lower bracket, wherein the upper bracket and the lower bracket are arranged on a mounting rod; the pulling component comprises a first shell fixed on the upper bracket, a wire coil, a pull wire, an angle indicating disc coaxially arranged above the wire coil, a middle fluted disc coaxially arranged below the wire coil, a peripheral gear meshed with the middle fluted disc, a first driven wheel and a first driving piece; the angle indicating disc can conveniently know the angle of the downward inclination angle through the on-site visual angle indicating disc, and compared with a rigid scale in the prior art, the flexible pull wire is adopted, the pull wire disc is arranged on the wire disc, so that the overall length of a pulling part can be compressed, the occupied space is reduced, and the flexible on-site installation is facilitated.
Description
Technical Field
The invention belongs to the technical field of antennas, and particularly relates to a multi-array base station antenna with a self-adjusting function.
Background
Array antennas are a special type of antenna in which at least two antenna elements are regularly or randomly arranged and predetermined radiation characteristics are obtained by proper excitation, and multi-array base station antennas are widely used in mobile communications. At present most common base station antenna is plate antenna, embrace the pole and install on a post, base station antenna belongs to directional antenna, install the eminence usually, the face can the certain angle of downward sloping towards the direction of covering, current base station array antenna is when installation or adjustment, generally through the downtilt angle of artifical manual adjustment antenna, the downtilt angle of antenna needs to be adjusted as required, consequently, need measure the downtilt angle, it shows the antenna downtilt angle to adopt the scale pole that stretches out to the end cover outside at present commonly used, like the sign chi among the chinese patent 201010581042.0, the scale pole is rigid and stretches out outside the antenna house, easily receive bending or destruction of external environment, lead to the antenna can not normally work.
Disclosure of Invention
It is an object of the present invention to overcome the disadvantages of the prior art and to provide a multi-array base station antenna with a self-adjusting function that facilitates indication of downtilt angles.
The technical scheme of the invention is as follows:
a multi-array base station antenna with a self-adjusting function comprises an antenna main body, an upper bracket and a lower bracket, wherein the upper bracket and the lower bracket are installed on a mounting rod, the lower end of the antenna main body is hinged to the lower bracket, and a pulling component for pulling the antenna main body and a locking mechanism for locking the position of the antenna main body are arranged on the upper bracket;
the pulling component comprises a first shell fixed on the upper bracket, a wire coil rotatably assembled in the first shell, a pull wire wound on the periphery of the wire coil, an angle indicating disc coaxially arranged above the wire coil, a middle fluted disc coaxially arranged below the wire coil, a peripheral gear meshed with the middle fluted disc, a first driven wheel coaxially arranged below the peripheral gear and a first driving part for driving the peripheral gear to rotate, the first driving part is meshed with the first driven wheel and can form self-locking, and the first driving part is rotatably assembled on the side wall of the first shell; one end of the stay wire is connected to the wire coil, and the other end of the stay wire extends out of the first shell and is fixedly connected to the upper part of the vertical center line of the antenna main body; the upper surface of the angle indicating disc is provided with a first scale with a plurality of scale values, the upper surface of the first shell is provided with a transparent window corresponding to the first scale, an arrow for indicating a certain scale value is arranged on the inner wall of the window in a protruding mode, and when the scale value of the first scale is aligned with the arrow, the scale value is the current downward inclination angle of the antenna main body;
the locking mechanism comprises a first base body rotatably connected to one end of the upper support, a second base body with one end hinged to the upper portion of the back face of the antenna main body and the other end movably connected to the first base body, and a locking component used for fixing the second base body to the first base body, wherein the locking component is provided with an unlocking position allowing the second base body to move and a locking position locking the position of the second base body.
Furthermore, the first driven wheel is a turbine, the first driving part is a worm meshed with the turbine, and one end of the worm extends out of the first shell and is provided with an operation block convenient for manual rotation.
Furthermore, the first driven wheel and the first driving part adopt bevel gears which are meshed and matched with each other at 90 degrees, the first driving part is rotatably assembled on the first shell through a second shaft, one end of the second shaft extends out of the first shell, an operation block which is connected with the second shaft in an axial sliding mode is arranged at the tail end of the second shaft, an insertion block which faces the first shell is arranged in the middle of the operation block, and an insertion barrel which is matched with the insertion block is arranged on the first shell; the operation block is provided with a fixed position for inserting the insertion block into the insertion cylinder and fixedly engaging with the insertion cylinder and a rotating position for separating the insertion block from the insertion cylinder.
Furthermore, one end of the second base body is hinged to one end, far away from the upper support, of the first base body through a hinge shaft, one end of the hinge shaft is provided with first threads, and the locking component comprises a first locking nut meshed with the first threads.
Furthermore, the second base body is a rod body which is connected in the first base body in a sliding manner, a slide way is arranged in the middle of the first base body, the first base body comprises an upper disk and a lower disk which are matched with each other, the slide way is formed by surrounding channels formed in the upper disk and the lower disk, the lower disk is rotatably connected to the upper bracket, the upper disk is connected to the lower disk in a sliding manner in a direction perpendicular to the slide way, and the locking part is arranged on one side of the upper disk and used for pushing the upper disk in a direction towards the lower disk so that the inner wall of the slide way is tightly attached to the outer surface of the rod body; when the locking part is in the position of unblock, the separation of hanging wall and lower wall makes partial inner wall and the body of rod separation of slide, is convenient for the body of rod to slide, works as the locking part is in the lock position, the slide inner wall is held tightly the body of rod avoids the body of rod to slide.
Furthermore, the top of the inner wall of the slide way on the upper plate is provided with a rough surface or a bulge, the upper end surface of the rod body is rough or is provided with a groove, so that the friction force between the rod body and the slide way wall can be conveniently improved when the rod body is tightly held on the slide way wall, and the rod body is firmly held.
Furthermore, the locking component comprises a lock shaft fixedly arranged on the lower disc and positioned above the upper disc, a lock rod rotationally connected to the lock shaft and a handle integrally connected to the lock rod, and the lock rod comprises a thick-wall part and a thin-wall part so that the lock shaft is eccentrically arranged in the lock rod; when the locking component is in an unlocking position, the thin wall part of the locking rod is contacted with the upper end surface of the upper disc, and when the locking component is in a locking position, the thick wall part of the locking rod is abutted against the upper end surface of the upper disc.
Furthermore, the locking component comprises a lower cover fixed on the front side of the lower disc, an upper cover covering the periphery of the upper disc, a pressure lever and a third locking nut, the lower cover comprises a lower support plate vertically arranged in the middle of the upper end of the lower cover, the pressure lever is horizontally arranged on the lower support plate, the upper cover comprises a semi-conical cover body and an upper support plate vertically arranged in the middle of the lower end of the cover body, the pressure lever penetrates through the upper support plate, and the upper support plate is fixed on the pressure lever and the lower support plate through the third locking nut; when the locking component is in the unlocking position, the third locking nut is loosened towards the direction far away from the lower support plate so that the inner wall of the cover body is separated from the outer wall of the upper disc, and when the locking component is in the locking position, the third locking nut is tightened towards the direction close to the lower support plate so that the inner wall of the cover body presses the outer wall of the upper disc to enable the upper disc to move downwards.
Further, some side of the body of rod can expose the slide, the dorsal part of extension board is provided with the cover section of thick bamboo that has the internal screw thread down, the depression bar runs through down the extension board and with cover section of thick bamboo thread engagement, the one end that the depression bar is close to the slide is equipped with can extrude the clamp plate on the partial body of rod that exposes the slide, the clamp plate rotates to be connected avoid the rotation of depression bar to drive the clamp plate on the depression bar and rotate, the one end that the slide was kept away from to the depression bar is provided with the operation piece.
Furthermore, a second locking nut which is abutted against the outer side of the third locking nut is engaged and matched on the pressure lever.
Further, the first base body comprises a shell, an inner toothed ring is rotatably assembled in the shell, a lower gear meshed with the inner toothed ring is arranged on the inner side of the inner toothed ring, the second base body comprises a rod body penetrating through the side face of the shell, the rod body is located on the front side of the inner toothed ring, meanwhile, the lower side face of the rod body is meshed with the lower gear, a side plate in sliding fit with the upper side face of the rod body is arranged in the shell, the locking part comprises a pressing block which is in sliding connection with the inner side face of the shell and can be tightly abutted to the lower side face of the rod body, a pushing part extending out of the shell is arranged on one side of the pressing block, and the pushing part can drive the pressing block to tightly abut to the lower side face of the rod body; the front side face of the inner gear ring is provided with second scales with scale values, the outer side cover of the shell is provided with an outer cover, and the shell is provided with a transparent observation window and a pointer corresponding to the second scales.
Further, be provided with the carousel on the lower carriage, the lower extreme of antenna main part articulates on the carousel, the back lower part both sides of antenna main part are provided with the side ear, and one of them side ear can be at the back horizontal slip of antenna main part through setting up the horizontal spout at the antenna main part back locking mechanical system corresponds two side ear spaced and sets up on the upper bracket, the one end of the body of rod pass through the universal joint connect in on the side ear.
Compared with the prior art, the invention has the beneficial effects that:
the angle of the downtilt angle can be conveniently known through the on-site visual angle indicating disc, the angle indicating disc is protected in the first shell and is not exposed outside, the stay wire serving as a power transmission piece has a thin diameter, so that the stay wire clamping caused by freezing can be prevented, the adjustment of the downtilt angle is smooth, and the accurate indication of the scale value of the first scale is ensured; the angle fixing disc is fixed on the upper support, so that a worker can conveniently read a first scale on the premise of not performing large movement when adjusting the extension length of the stay wire and the locking mechanism, the reading of the first scale is facilitated, and the adjustment efficiency of the lower inclination angle is improved.
Drawings
Fig. 1 is a schematic side view of embodiment 1 of the present invention.
Fig. 2 is a partially exploded schematic view of a pulling member according to embodiment 1 of the present invention.
Fig. 3 is a partial side view structural schematic diagram of the pulling member of embodiment 1 of the present invention.
Fig. 4 is a schematic side view of embodiment 2 of the present invention.
Fig. 5 is a front view schematically showing the lock mechanism according to embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of a lock mechanism according to embodiment 3 of the present invention.
Fig. 7 is a perspective view of a lock mechanism according to embodiment 4 of the present invention.
FIG. 8 is a schematic side view of a briquette according to example 4 of the present invention.
Fig. 9 is a schematic top view of a lateral lug according to embodiment 5 of the present invention.
In the figure, a mounting rod (1), an upper bracket (2), a lower bracket (3), a turntable (31), a stay wire (41), an angle indicating disc (42), a window (43), a first shaft (44), a wire coil (45), a middle toothed disc (51), a peripheral gear (52), a first driven wheel (53), a first driving part (54), a second shaft (55), an antenna main body (6) (6), a short rod (61), a first locking nut (62), a side lug (63), a rod body (7), a first base body (8) (8), an upper disc (81), a guide groove (811), a lower disc (82), a guide rod (823), an upper cover (83), a lower cover (84), a locking rod (85), a second locking nut (86), a pressing rod (87), a pressing plate (871), a third locking nut (88), a cover cylinder (89), an inner toothed ring (91), a side plate (92), a pressing block (93), a lower gear (95), A movable block (97), a small cylinder (98) and a shell (99).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 3, a multi-array base station antenna with a self-adjusting function includes an antenna main body 6, an upper bracket 2 and a lower bracket 3 mounted on a mounting pole 1, the lower end of the antenna main body 6 is hinged to the lower bracket 3, a pulling member for pulling the antenna main body 6 and a locking mechanism for locking the position of the antenna main body 6 are provided on the upper bracket 2;
the pulling part comprises a first shell fixed on the upper bracket 2, a wire coil 45 rotatably assembled in the first shell, a pull wire 41 wound on the periphery of the wire coil 45, an angle indicating disc 42 coaxially arranged above the wire coil 45, a middle toothed disc 51 coaxially arranged below the wire coil 45, a peripheral gear 52 meshed with the middle toothed disc 51, a first driven wheel 53 coaxially arranged below the peripheral gear 52 and a first driving part 54 used for driving the peripheral gear 52 to rotate, the first driving part 54 is meshed with the first driven wheel 53 and can form self-locking, and the first driving part 54 is rotatably assembled on the side wall of the first shell; the stay wire 41 is in a tightened state, the stay wire 41 can be made of wear-resistant wire materials in the prior art such as nylon braided wire and fishing wire, one end of the stay wire 41 is connected to the wire coil 45, and the other end of the stay wire 41 extends out of the first shell and is fixedly connected to the upper part of the vertical center line of the antenna body 6; a first scale with a plurality of scale values is arranged on the upper surface of the angle indicating disc 42, a transparent window 43 corresponding to the first scale is arranged on the upper surface of the first shell, an arrow for indicating a certain scale value is arranged on the inner wall of the window 43 in a protruding manner, and when the scale value of the first scale is aligned with the arrow, the scale value is the current downward inclination angle of the antenna main body 6; preferably, an inner lining ring is arranged on the inner wall of the through hole, through which the pull wire 41 penetrates the first shell, the inner wall of the inner lining ring is smooth and has no corner, so that the abrasion of the pull wire 41 is reduced, and the service life of the pull wire 41 is prolonged; the angle indicating disc 42 is protected in the first shell and is not exposed outside, the stay wire 41 has a thin diameter as a power transmission piece, so that clamping stagnation of the stay wire 41 caused by freezing can be prevented, smooth adjustment of a lower inclination angle and accurate indication of a scale value of a first scale are ensured, and due to the adoption of the flexible stay wire 41, compared with a rigid scale in the prior art, the stay wire 41 is coiled on the wire coil 45, so that the whole length of a pulling part can be compressed, the occupied space is reduced, and flexible field installation is facilitated; when the extension length of the stay wire 41 and the locking mechanism are adjusted, a worker can conveniently read the first scale on the premise that the body posture does not perform large movement, so that the reading can be performed while the downward inclination angle of the antenna main body 6 is adjusted, and the rapid adjustment of the downward inclination angle of the antenna main body 6 is facilitated;
the locking mechanism is used for fixing the angle of the antenna body 6 after the pulling part judges that the target downward inclination angle is reached, and comprises a first base body 8 rotationally connected to one end of the upper bracket 2, a second base body with one end hinged to the upper part of the back surface of the antenna body 6 and the other end movably connected in the first base body 8, and a locking part used for fixing the second base body on the first base body 8, wherein the locking part is provided with an unlocking position for allowing the second base body to move and a locking position for locking the position of the second base body; in this embodiment, the first base body 8 and the second base body both use a short rod 61 with a certain width, the first base body 8 and the upper bracket 2, the first base body 8 and the second base body, and the second base body and the lower bracket 3 are all connected by a pivot to prevent the antenna main body 6 from shaking, one end of the second base body is pivotally connected to one end of the first base body 8 away from the upper bracket 2 by a hinge shaft, one end of the hinge shaft is provided with a first thread, specifically, the locking component includes a first locking nut 62 engaged with the first thread, and the first locking nut 62 is screwed to lock the first base body 8 and the second base body to realize angle fixation; by the aid of the method, the angle of the downward inclination angle can be quickly fixed after the downward inclination angle is determined, and the downward inclination angle is fixed firmly.
In one embodiment, the first driven wheel 53 is a turbine, the first driving member 54 is a worm engaged with the turbine, one end of the worm extends out of the first casing and is provided with an operation block convenient for manual rotation, the periphery of the operation block is provided with corners or convex edges convenient for manual rotation, or the end surface of the operation block is provided with a triangular or hexagonal screwing hole, so that a worker can rotate the worm by using an inner triangular wrench or a hexagonal wrench, thereby achieving the purpose of rotating the turbine; the worm and the worm are self-locked to prevent the worm from being driven in the direction of the worm wheel; the worm wheel drives the middle toothed disc 51 to rotate, and the wire coil 45 and the angle indicating disc 42 which are coaxially mounted with the middle toothed disc 51 rotate synchronously with the middle toothed disc 51, so that the change of the first scale value scale indicated by the arrow, namely the change of the downward inclination angle of the antenna main body 6 is realized. Except that the manual rotation operation piece, can also carry out automated transformation in this embodiment to servo motor or step motor are the power supply, for the worm provide power can, the worm can be connected on servo motor or step motor's output shaft through shaft coupling or other transmission parts.
As shown in fig. 2 to 3, in one embodiment, the first driven wheel 53 and the first driving member 54 are bevel gears engaged with each other at 90 degrees, the first driving member 54 is rotatably mounted on the first housing through a second shaft 55, one end of the second shaft 55 extends out of the first housing, and the end of the second shaft 55 is provided with an operating block slidably connected along the axial direction thereof, for example, a cross-shaped or triangular guide column is provided at the end of the second shaft 55, the operating block is sleeved on the guide column, an insertion block facing the first housing is provided at the middle part of the operating block, and an insertion barrel engaged with the insertion block is provided on the first housing; specifically, the operation block may be a handwheel, a screwing hole for inserting a tool or a screwing block for screwing a tool sleeve conveniently, the insertion block is preferably located in the middle of the operation block, a plurality of axially arranged slots are uniformly distributed on the inner wall of the insertion cylinder, at least one side surface of the insertion block is provided with an insertion protrusion matched with the slots, the operation block has a fixed position for inserting the insertion block into the insertion cylinder for meshing and fixing and a rotating position for separating the insertion block from the insertion cylinder, when the operation block is located at the fixed position, the operation block is located at one end of the guide column close to the insertion cylinder, and the insertion block and the second shaft 55 are fixed by the insertion cylinder for preventing rotation, so as to achieve the purpose of locking the angle indicating dial 42; when the operation block is in the rotation position, the operation block is positioned at one end of the guide post far away from the insertion cylinder, and the operation block can rotate so as to achieve the purpose of adjusting the downward inclination angle of the antenna main body 6. In this embodiment, the operation block can be manually rotated, and can be automatically transformed, motors such as a servo motor or a stepping motor are used as power sources to provide power for the second shaft 55, the position of the operation block can be changed by a linear push-pull electromagnet or an electric push rod, if the operation block is connected to an output shaft of the motor, the operation block and an electrode are simultaneously installed on a movable plate, and the movable plate is driven by a linear motion mechanism in the prior art to change the position of the insertion cylinder, so that the insertion block can be plugged.
The angle obtaining in this embodiment can also be modified automatically, for example, an encoder is fixed on the first housing, and the rotating shaft of the encoder is concentrically connected to the first shaft 44 of the angle indicating dial 42, so that the downward inclination angle of the antenna main body 6 can be obtained by the encoder, or an electronic inclinometer is fixed on the antenna main body 6, but obviously, the cost is high.
Example 2
This example is another embodiment based on example 1, and the description of the same technical solution as in example 1 will be omitted, and only the technical solution different from example 1 will be explained.
The locking mechanism in this embodiment is different in structure.
As shown in fig. 4 to 5, the second base is a rod 7 slidably connected in the first base 8, a slide is disposed in the middle of the first base 8, the first base 8 includes an upper plate 81 and a lower plate 82 which are engaged with each other, the slide is surrounded by channels formed in the upper plate 81 and the lower plate 82, the lower plate 82 is rotatably connected to the upper frame 2, the upper plate 81 is slidably connected to the lower plate 82 in a direction perpendicular to the slide, and a locking member is disposed on one side of the upper plate 81 for pushing the upper plate 81 toward the lower plate 82 to make the inner wall of the slide closely contact with the outer surface of the rod 7; when the locking part is in the unlocking position, the upper disc 81 and the lower disc 82 are separated, so that part of the inner wall of the slide way is separated from the rod body 7, the rod body 7 can slide conveniently, and when the locking part is in the locking position, the inner wall of the slide way tightly holds the rod body 7 to prevent the rod body 7 from sliding. Specifically, the back surface of the lower disc 82 is rotatably connected to the upper frame 2 by a rotating member such as a rotary bearing or a bush, a guide rod 823 is provided on one side of the rotating member fixed to a portion of the lower disc 82, and a guide groove 811 fitted around the guide rod 823 is provided on the back side of the upper disc 81, so that the upper disc 81 can be slidably connected to the lower disc 82 in the direction shown in fig. 6; preferably, the upper end of the guide rod 823 is provided with a head block for preventing the guide rod 823 from coming out of the guide groove 811, and in order to facilitate the separation of the upper plate 81 from the lower plate 82, the root of the guide rod 823 is further provided with a spring in a compressed state between the guide groove 811 and the rotating member.
As shown in fig. 5, specifically, the locking component includes a lock shaft fixedly disposed on the lower disc 82 and located above the upper disc 81, a lock rod 85 rotatably connected to the lock shaft, and a handle integrally connected to the lock rod 85, and the lock rod 85 includes a thick wall portion and a thin wall portion such that the lock shaft is eccentrically disposed in the lock rod 85; when the locking component is in the unlocking position, the thin wall part of the locking rod 85 is contacted with the upper end surface of the upper disc 81, and when the locking component is in the locking position, the thick wall part of the locking rod 85 is abutted against the upper end surface of the upper disc 81 to press the upper disc 81 on the lower disc 82, so that the slide way clasps the rod body 7 to fix the slide way; the switching between the unlocking position and the locking position can be realized quickly by wrestling the handle, and the operation is convenient and quick; the lock bar 85 in fig. 5 is in the unlocked position and the upper and lower discs 81, 82 are naturally separated by prying of the bar 7 so that the bar 7 can slide freely in the slide.
Preferably, a rough surface or a protrusion is arranged at the top of the inner wall of the slide way of the upper plate 81, and the upper end surface of the rod body 7 is rough or provided with a groove, so that the friction force between the rod body 7 and the slide way wall can be conveniently improved when the rod body 7 is tightly held by the slide way wall, and the rod body 7 is firmly held.
In the embodiment, besides manual rotation of the operation block, automatic transformation can be performed, motors such as a servo motor or a stepping motor are used as power sources, and the lock rod 85 is connected to an output shaft of the motor through a transmission piece and driven to rotate by the motor, so that manual work is replaced.
Example 3
This example is another embodiment based on example 2, and the description of the same technical solution as in example 2 will be omitted, and only the technical solution different from example 2 will be explained.
In the present embodiment, the structure of the lock mechanism, specifically, the structure of the lock member that presses the upper plate 81, is different.
As shown in fig. 6, the locking member includes a lower cover 84 fixed on the front side of the lower disc 82, an upper cover 83 covering the outer periphery of the upper disc 81, a pressing rod 87 and a third locking nut 88, the lower cover 84 includes a lower support vertically arranged in the middle of the upper end of the lower cover 84, the pressing rod 87 is horizontally arranged on the lower support, the upper cover 83 includes a semi-conical cover body and an upper support vertically arranged in the middle of the lower end of the cover body, the upper cover 83 covers the upper edges of the upper disc 81 and the lower cover 84 therein to prevent dust and rainwater from entering the sliding interior, the cover body contacts the upper disc 81 in a line contact manner, and as the inner wall of the cover body is an inclined surface, the upper disc 81 can be pressed toward the lower disc 82 as the cover body approaches the upper disc 81, the pressing rod 87 penetrates through the upper support, and the upper support is fixed on the pressing rod 87 and the lower support by the third locking nut 88; when the locking member is in the unlocked position, the third lock nut 88 is loosened in a direction away from the lower bracket so that the inner wall of the housing is disengaged from the outer wall of the upper plate 81, and when the locking member is in the locked position, the third lock nut 88 is tightened in a direction toward the lower bracket so that the inner wall of the housing presses the outer wall of the upper plate 81 to move the upper plate 81 downward.
As shown in fig. 6, preferably, a part of the side surface of the rod 7 can expose the slide way, the back side of the lower support plate is provided with a mantle 89 with internal threads, the press rod 87 penetrates through the lower support plate and is in threaded engagement with the mantle 89, one end of the press rod 87 close to the slide way is provided with a press plate 871 capable of pressing on the part of the rod 7 exposed from the slide way, the press plate 871 is rotatably connected to the press rod 87 to prevent the press plate 871 from rotating due to the rotation of the press rod 87, and one end of the press rod 87 far away from the slide way is provided with an operation block.
As shown in fig. 6, preferably, a second lock nut 86 abutting against the outer side of a third lock nut 88 is engaged and fitted on the pressing rod 87, and the second lock nut 86 fixes the third lock nut 88 against loosening.
Example 4
This example is another embodiment based on example 1, and the description of the same technical solution as in example 1 will be omitted, and only the technical solution different from example 1 will be explained.
The locking mechanism in this embodiment has different structures, and the holding and fixing of the rod body 7 is realized by the side plate 92 and the pressing block 93 in this embodiment.
As shown in fig. 7 to 8, the first base 8 includes a housing 99, an inner gear ring 91 is rotatably assembled in the housing 99, a lower gear 95 engaged with the inner gear ring 91 is disposed on an inner side of the inner gear ring 91, the second base includes a rod 7 penetrating through a side of the housing 99, the rod 7 is disposed on a front side of the inner gear ring 91 while a lower side surface of the rod 7 is engaged with the lower gear 95, a side plate 92 slidably engaged with an upper side surface of the rod 7 is disposed in the housing 99, the locking member includes a pressing block 93 slidably connected to the inner side surface of the housing 99 and capable of abutting against the lower side surface of the rod 7, a pushing member extending out of the housing 99 is disposed on one side of the pressing block 93, the pushing member drives the pressing block 93 to abut against the lower side surface of the rod 7, specifically, the pressing block 93 has a first inclined surface, the pushing member includes a moving block 97 slidably abutting against the first inclined surface and a small rod rotatably connected to one side of the moving block 97, a small barrel 98 having an internal thread is disposed on an outer end surface of the housing 99, the axis of the small cylinder 98 extends along the thickness direction of the shell 99, the small rod is connected in the small cylinder 98 in a threaded mode, and an operation block is arranged at the exposed end of the small rod, so that the small rod can be conveniently twisted manually, and the movable block 97 drives the pressing block 93 to extrude on the rod body 7; be provided with the second scale that has the scale interval on the leading flank of interior ring gear 91, the outside lid of shell 99 is equipped with the enclosing cover, is provided with transparent observation window and the pointer that corresponds with the second scale on the shell 99, can obtain the displacement of the body of rod 7 through the second scale to can learn two downtilts of antenna body 6 or orientation.
Example 5
The present embodiment is another implementation based on embodiments 2, 3, and 4, and the description of the same technical solutions as those of the previous embodiments will be omitted, and only the technical solutions different from those of the previous embodiments will be described.
In the present embodiment, the antenna body 6 can be rotated to adjust the orientation of the antenna body 6 in addition to the downward tilt adjustment.
As shown in fig. 9, the lower bracket 3 is provided with a turntable 31, the lower end of the antenna main body 6 is hinged to the turntable 31, two sides of the lower part of the back of the antenna main body 6 are provided with side lugs 63, one of the side lugs 63 can horizontally slide on the back of the antenna main body 6 through a transverse sliding groove arranged on the back of the antenna main body 6, the locking mechanism is arranged on the upper bracket 2 corresponding to the two side lugs 63 at intervals, and one end of the rod body 7 is connected to the side lug 63 through a universal joint; that is, locking mechanisms are disposed on both sides of the antenna body 6, so that the orientation of the antenna body 6 at a certain downward inclination angle can be adjusted by adjusting the difference in movement of the rod bodies 7 in the two locking mechanisms.
If the locking mechanism according to embodiment 4 is adopted, since the movement values of the two rods 7 can be obtained, the precise adjustment of the orientation of the antenna main body 6 can be realized.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A multi-array base station antenna with a self-adjusting function comprises an antenna main body, an upper bracket and a lower bracket, wherein the upper bracket and the lower bracket are installed on a mounting rod, the lower end of the antenna main body is hinged to the lower bracket, and the multi-array base station antenna is characterized in that: the upper bracket is provided with a pulling part for pulling the antenna main body and a locking mechanism for locking the position of the antenna main body;
the pulling component comprises a first shell fixed on the upper bracket, a wire coil rotatably assembled in the first shell, a pull wire wound on the periphery of the wire coil, an angle indicating disc coaxially arranged above the wire coil, a middle fluted disc coaxially arranged below the wire coil, a peripheral gear meshed with the middle fluted disc, a first driven wheel coaxially arranged below the peripheral gear and a first driving part for driving the peripheral gear to rotate, the first driving part is meshed with the first driven wheel and can form self-locking, and the first driving part is rotatably assembled on the side wall of the first shell; one end of the stay wire is connected to the wire coil, and the other end of the stay wire extends out of the first shell and is fixedly connected to the upper part of the vertical center line of the antenna main body; the upper surface of the angle indicating disc is provided with a first scale with a plurality of scale values, the upper surface of the first shell is provided with a transparent window corresponding to the first scale, an arrow for indicating a certain scale value is arranged on the inner wall of the window in a protruding mode, and when the scale value of the first scale is aligned with the arrow, the scale value is the current downward inclination angle of the antenna main body;
the locking mechanism comprises a first base body rotatably connected to one end of the upper support, a second base body with one end hinged to the upper portion of the back face of the antenna main body and the other end movably connected to the first base body, and a locking component used for fixing the second base body to the first base body, wherein the locking component is provided with an unlocking position allowing the second base body to move and a locking position locking the position of the second base body.
2. The multi-array base station antenna with self-tuning capability of claim 1, wherein: the first driven wheel is a turbine, the first driving part is a worm meshed with the turbine, and one end of the worm extends out of the first shell and is provided with an operation block convenient for manual rotation.
3. The multi-array base station antenna with self-tuning capability of claim 1, wherein: the first driven wheel and the first driving part are bevel gears meshed and matched at 90 degrees, the first driving part is rotatably assembled on the first shell through a second shaft, one end of the second shaft extends out of the first shell, an operation block connected in a sliding mode along the axial direction of the second shaft is arranged at the tail end of the second shaft, an insertion block facing the first shell is arranged in the middle of the operation block, and an insertion barrel matched with the insertion block is arranged on the first shell; the operation block is provided with a fixed position for inserting the insertion block into the insertion cylinder and fixedly engaging with the insertion cylinder and a rotating position for separating the insertion block from the insertion cylinder.
4. The multi-array base station antenna with self-tuning function according to any one of claims 1 to 3, wherein: one end of the second base body is hinged to one end, far away from the upper support, of the first base body through a hinged shaft, one end of the hinged shaft is provided with first threads, and the locking component comprises a first locking nut meshed with the first threads.
5. The multi-array base station antenna with self-tuning function according to any one of claims 1 to 3, wherein: the second base body is a rod body which is connected in the first base body in a sliding mode, a slide way is arranged in the middle of the first base body, the first base body comprises an upper disk and a lower disk which are matched with each other, the slide way is formed by surrounding channels formed in the upper disk and the lower disk, the lower disk is connected to the upper support in a rotating mode, the upper disk is connected to the lower disk in a sliding mode in a direction perpendicular to the slide way, and the locking part is arranged on one side of the upper disk and used for pushing the upper disk towards the lower disk to enable the inner wall of the slide way to be attached to the outer surface of the rod body; when the locking part is in the position of unblock, the separation of hanging wall and lower wall makes partial inner wall and the body of rod separation of slide, is convenient for the body of rod to slide, works as the locking part is in the lock position, the slide inner wall is held tightly the body of rod avoids the body of rod to slide.
6. The multi-array base station antenna with self-tuning capability of claim 5, wherein: the locking component comprises a lock shaft which is fixedly arranged on the lower disc and positioned above the upper disc, a lock rod which is rotationally connected to the lock shaft and a handle which is integrally connected to the lock rod, and the lock rod comprises a thick-wall part and a thin-wall part so that the lock shaft is eccentrically arranged in the lock rod; when the locking component is in an unlocking position, the thin wall part of the locking rod is contacted with the upper end surface of the upper disc, and when the locking component is in a locking position, the thick wall part of the locking rod is abutted against the upper end surface of the upper disc.
7. The multi-array base station antenna with self-tuning capability of claim 5, wherein: the locking component comprises a lower cover fixed on the front side of the lower disc, an upper cover covering the periphery of the upper disc, a pressure lever and a third locking nut, the lower cover comprises a lower support plate vertically arranged in the middle of the upper end of the lower cover, the pressure lever is horizontally arranged on the lower support plate, the upper cover comprises a semi-conical cover body and an upper support plate vertically arranged in the middle of the lower end of the cover body, the pressure lever penetrates through the upper support plate, and the upper support plate is fixed on the pressure lever and the lower support plate through the third locking nut; when the locking component is in the unlocking position, the third locking nut is loosened towards the direction far away from the lower support plate so that the inner wall of the cover body is separated from the outer wall of the upper disc, and when the locking component is in the locking position, the third locking nut is tightened towards the direction close to the lower support plate so that the inner wall of the cover body presses the outer wall of the upper disc to enable the upper disc to move downwards.
8. The multi-array base station antenna with self-tuning capability of claim 7, wherein: the utility model discloses a slide, including the body of rod, the back of extension board is provided with the internal screw thread cover section of thick bamboo, the depression bar runs through down the extension board and with cover section of thick bamboo thread engagement, the one end that the depression bar is close to the slide is equipped with the clamp plate that can extrude on the part body of rod that exposes the slide, the clamp plate rotates to be connected avoid the rotation of depression bar to drive the clamp plate rotation on the depression bar, the one end that the slide was kept away from to the depression bar is provided with the operation piece.
9. The multi-array base station antenna with self-tuning capability of claim 1, wherein: the first base body comprises a shell, an inner toothed ring is rotationally assembled in the shell, a lower gear meshed with the inner toothed ring is arranged on the inner side of the inner toothed ring, the second base body comprises a rod body penetrating through the side face of the shell, the rod body is positioned on the front side of the inner toothed ring, meanwhile, the lower side face of the rod body is meshed with the lower gear, a side plate in sliding fit with the upper side face of the rod body is arranged in the shell, the locking part comprises a pressing block which is in sliding connection with the inner side face of the shell and can be tightly abutted to the lower side face of the rod body, a pushing part extending out of the shell is arranged on one side of the pressing block, and the pushing part can drive the pressing block to be tightly abutted to the lower side face of the rod body; the front side face of the inner gear ring is provided with second scales with scale values, the outer side cover of the shell is provided with an outer cover, and the shell is provided with a transparent observation window and a pointer corresponding to the second scales.
10. The multi-array base station antenna with self-tuning function according to any one of claims 1 and 9, wherein: the antenna comprises an upper support and a lower support, and is characterized in that a turntable is arranged on the lower support, the lower end of an antenna body is hinged to the turntable, side lugs are arranged on two sides of the lower portion of the back of the antenna body, one side lug can horizontally slide on the back of the antenna body through a transverse sliding groove formed in the back of the antenna body, a locking mechanism corresponds to the two side lugs and is arranged on the upper support at intervals, and one end of a rod body is connected to the side lugs through a universal joint.
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| CN113659303B (en) * | 2021-08-18 | 2022-05-10 | 北京鑫昇科技有限公司 | Portable 5G base station antenna and base station |
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