CN106910975B - Antenna attitude correction device of field communication base station - Google Patents
Antenna attitude correction device of field communication base station Download PDFInfo
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- CN106910975B CN106910975B CN201710248326.XA CN201710248326A CN106910975B CN 106910975 B CN106910975 B CN 106910975B CN 201710248326 A CN201710248326 A CN 201710248326A CN 106910975 B CN106910975 B CN 106910975B
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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
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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
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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
- H01Q3/08—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 two co-ordinates of the orientation
Abstract
An antenna attitude correction device of a field communication base station belongs to the field of communication equipment and comprises a mounting base, a base, an outer cover, a first adjusting base, an upper pin shaft, a second adjusting motor base, a second adjusting motor, a locking motor, an upright post lower base, an upright post mandrel, a third adjusting sleeve, a third adjusting motor, an upright post, a first adjusting motor base, an upright post upper base, a second adjusting sleeve, an upper shaft head, a third adjusting motor base and a first adjusting sleeve; the device has the characteristics that three-dimensional adjustment is adopted, the attitude change of the antenna caused by the attitude change of the iron tower can be accurately corrected, the device is timely in measurement and control and correction, high in precision and free of manual intervention, is particularly suitable for a wireless communication base station installed in the field, reduces the labor intensity, saves resources and avoids the danger caused by manual operation of operators.
Description
Technical Field
The invention belongs to the field of communication equipment, and particularly relates to a condition that a plate-type directional antenna is adopted and is installed in a field communication base station.
Background
The communication base station is an important device in a modern mobile communication system, and has the main function of completing the signal exchange and transmission of wireless communication signals between communication terminals such as mobile phones and a host computer; most of the existing communication base stations comprise communication equipment, antennas and the like; the field communication base station is arranged in the field, has a large coverage area and generally comprises a machine room, an iron tower and an antenna; the height of the iron tower is generally dozens of meters or even dozens of meters, and a plurality of antennas on the iron tower are distributed around the upper part of the iron tower; because the construction materials and the position of the iron tower are in the special conditions of the field, the attitude of the iron tower is easy to change along with the influence of factors such as foundation settlement, wind blowing, vibration and the like, so that the change of the attitude of the antenna arranged on the upper part of the iron tower is influenced, the change of the attitude of the antenna can influence the coverage area of the antenna, the transmission of communication signals in the coverage area of the base station is further influenced, and the communication quality is influenced; therefore, maintenance personnel of the base station need to measure the attitude of the iron tower regularly and adjust the attitude of the antenna according to the change of the attitude of the iron tower; most of the existing iron tower measurement and antenna attitude adjustment adopt operators to climb up the iron tower and manually perform measurement and adjustment, and because the operation is high above the ground, personal safety danger exists; moreover, the work place is unstable, is difficult to ensure and adjusts the precision, simultaneously, because the change direction of iron tower gesture is uncertain, consequently install the change of every antenna gesture of iron tower upper portion periphery and all be different, need loaded down with trivial details calculation just can obtain the data that need adjust the antenna gesture, construction cycle is long, the work is dangerous, the precision is poor.
Disclosure of Invention
Aiming at the problems of the existing field mobile communication base station, the invention provides a field communication base station, which comprises a machine room, a transmission line, an antenna, an iron tower fence, a lightning arrester and a tower body, and is characterized in that: the system also comprises an iron tower attitude measurement and control device, an antenna attitude measurement and control device and an antenna attitude correction device; the machine room is arranged on the ground near the iron tower foundation, and communication transmission equipment and central control equipment are installed in the machine room; the communication transmission equipment is connected with a host of a communication enterprise through an optical cable and is connected with an antenna at the upper part of the iron tower through a transmission line; the central control equipment is connected with an iron tower attitude measurement and control device and an antenna attitude measurement and control device on an iron tower through a transmission line and is connected with an antenna attitude correction device; the iron tower is arranged near the machine room and comprises a base, a tower body, an iron tower fence and a lightning arrester; the transmission line is arranged between the machine room and the iron tower and comprises a communication signal transmission line, a control signal transmission line and a power supply line; the antenna is arranged on the antenna attitude correction device and comprises an antenna bracket and an antenna body; the antenna bracket is fixedly connected with the antenna attitude correction device; the antenna body is arranged on the antenna bracket; the antennas are positioned on the periphery of an iron tower rail at the upper part of the iron tower and are uniformly distributed along the outer periphery of the iron tower rail; the iron tower posture measuring and controlling device is arranged on the upper part of the iron tower and is positioned on the same height layer with the antenna mounting plane; the iron tower posture measuring and controlling device is fixedly connected with the iron tower body and is positioned at the geometric center of the cross section of the iron tower; the antenna attitude measurement and control device is arranged at the lower part of the antenna, is fixedly connected with the antenna shell and is connected with central control equipment in the machine room through a lead; the antenna attitude correction device is arranged on the iron tower rail, is fixedly connected with the iron tower rail and is connected with central control equipment in the machine room through a wire.
The iron tower posture measuring and controlling device comprises an upper cover, a side wall, a support rod, a wiring port, a tray, a wind power measuring device, a time control device, an inclination angle sensor, a stepping motor driver and a power supply controller; the upper cover is arranged above the side wall and is fixedly, detachably and hermetically connected with the side wall; the side wall is arranged on the tray, is made of light thin-wall high-strength material and is fully distributed on the periphery of the tray; the height of the side wall is greater than that of each functional component arranged on the tray; the support rods are arranged on the periphery of the tray, one end of each support rod is fixedly connected with the tray, and the other end of each support rod is fixedly connected with the tower body of the iron tower; the supporting rods are made of hollow high-strength materials, and the length of each supporting rod ensures that the center of the tray is positioned at the geometric center of the cross section of the iron tower after the supporting rods are fixedly connected with the tower body of the iron tower; the radioactivity is uniformly distributed on the periphery of the tray along the diameter of the tray; the wiring port is arranged at the lower part of the tray and is of a hollow structure, the inner cavity of the wiring port penetrates through the thickness of the tray, and leading-out wire sealing elements are arranged at the openings of two ends of the wiring port; the tray is arranged in the middle of the end parts of the plurality of support rods and comprises an upper surface layer, a lower surface layer and an interlayer; the upper layer is positioned at the upper part of the interlayer, is made of thin-wall high-strength material and is fixedly connected with the interlayer; the lower layer is positioned at the lower part of the interlayer and is made of a thin-wall high-strength steel plate; the interlayer is positioned between the upper surface layer and the lower surface layer, and the two surfaces of the interlayer are respectively fixedly connected with the upper surface layer and the lower surface layer; the interlayer is of a honeycomb structure and is formed by bending thin-wall steel plates; the wind power measuring device is arranged at the lower part of the tray, is fixedly connected with the tray and is connected with central control equipment in the machine room through a lead; the time control device is arranged on the surface of the tray, is fixedly connected with the tray, and is connected with the tilt angle sensor and the wind power measuring device through leads and central control equipment in the machine room; the tilt angle sensor is arranged on the tray, is positioned at the geometric center of the plane of the tray, is fixedly connected with the tray and is connected with central control equipment in the machine room through a lead; the stepping motor driver is arranged on the tray, is fixedly connected with the tray and is connected with the antenna attitude correction device through a lead; the power supply controller is arranged on the tray, is fixedly connected with the tray, is connected with the power supply and each functional component, and provides power supply for each functional component.
The antenna attitude correction device is characterized in that: the locking mechanism comprises a mounting base, a base, an outer cover, a first adjusting base, an upper pin shaft, a second adjusting motor base, a second adjusting motor, a locking motor, a lower stand column base, a stand column core shaft, a third adjusting sleeve, a third adjusting motor, a stand column, a first adjusting motor base, an upper stand column base, a second adjusting sleeve, an upper pin head, a third adjusting motor base and a first adjusting sleeve.
The mounting bases have two, set up in the same side of base, its interval distance is the same with two installation railing distances from top to bottom of iron tower rail.
The mounting base is split, one half of the mounting base is fixedly connected with the base, the other half of the mounting base is connected with one half of the mounting base through bolts, the two halves are buckled to form a cavity, the shape of the cavity is the same as the shape of the cross section of the iron tower fence mounting ring, and the size of the cavity is smaller than or equal to that of the mounting ring.
The base is of a plate-shaped structure, two sides of the base are respectively connected with the mounting seat and the first adjusting seat, and the peripheral side face of the base is connected with the outer cover.
The outer cover is made of thin-wall materials, is a hollow cavity with a thin wall and a single side, and one side of the opening of the outer cover is sleeved on the periphery of the base and is detachably and fixedly connected with the base; the side surface of the bottom of the outer cover is provided with an antenna bracket through hole, and a support rod on the antenna bracket can penetrate through the antenna bracket through hole to be fixedly connected with the upright post.
The first adjusting seat is installed on the base and connected with the base through a rotating shaft.
The first adjusting seat can rotate around the connecting shaft; the connecting shaft hole is positioned in the geometric center of the plane of the base; the connecting shaft is positioned at the geometric center of the plane of the first adjusting seat.
The upper pin shaft is arranged on the upper pin shaft head and the second adjusting seat and penetrates through the holes of the upper pin shaft head and the upright post upper seat, one end of the upper pin shaft is connected with the second adjusting sleeve, and the other end of the upper pin shaft is provided with a snap ring check ring.
The second adjusting motor base is arranged at the end part of the upper stand column base and is vertically and fixedly connected with the upper stand column base; and a second adjusting motor mounting and fixing hole is formed in the second adjusting motor base.
And the second adjusting motor is arranged on the second adjusting motor base and is fixedly connected with the second adjusting motor base.
The second adjusting motor comprises a stepping motor and an adjusting rod; the stepping motor is arranged on the second adjusting motor base and is fixedly connected with the second adjusting motor base; the adjusting rod is arranged on the power output shaft of the stepping motor and is fixedly connected with the power output shaft of the stepping motor; the adjusting rod is cylindrical, and the outer circumference of the adjusting rod is provided with fine-tooth common threads with a self-locking function and is screwed with the internal threads on the second adjusting sleeve.
The locking motor is arranged on the upright post and is fixedly connected with the upright post.
The locking motor comprises a torque motor and a locking rod; the torque motor shell is fixedly connected with the upright post and is connected with the central control equipment through a lead; and one end of the locking rod is arranged on a power output shaft of the torque motor and is connected with the power output shaft of the torque motor in a sleeved mode, the other end of the locking rod is connected with a threaded hole in the stand column in a screwed mode, and the end of the locking rod can be contacted with the stand column core shaft through the outer wall of the stand column through rotation of the locking rod.
The lower stand column seat is arranged on the plane of the first adjusting seat and is vertically and fixedly connected with the first adjusting seat; the lower seat of the upright post is provided with a mounting hole which is hinged with the lower end of the upright post mandrel through a pin shaft.
The upright post mandrel is arranged on the upright post lower seat, and the upper part of the upright post mandrel penetrates through the inside of the upright post and is connected with the upper shaft head; the lower end of the upright post mandrel is provided with a groove, and the width of the groove is matched with the thickness of the upright post lower seat; the groove clamp is sleeved on two thickness planes of the lower stand column seat and is hinged with the lower stand column seat through a pin shaft; the upper end of the upright post mandrel is connected with the upper shaft head in a screwing way through threads.
The third adjusting sleeve is arranged on the locking motor shell and is hinged with the locking motor shell; the third adjusting sleeve comprises a threaded sleeve and a hinged shaft; the threaded sleeve is vertically connected with the hinged shaft, and a fine common internal thread is arranged in the threaded sleeve; the hinge shaft comprises a fixed shaft and a connecting shaft, one end of the fixed shaft is fixedly connected with the shell of the locking motor, the other end of the fixed shaft is sleeved with the connecting shaft, and the connecting shaft can concentrically rotate on the fixed shaft after being sleeved with the connecting sleeve; one end of the connecting shaft is sleeved with the fixed shaft, and the other end of the connecting shaft is vertically and fixedly connected with the threaded sleeve.
And the third adjusting motor is arranged on the third adjusting motor base and is fixedly connected with the third adjusting motor base.
The third adjusting motor comprises a stepping motor and an adjusting rod; the stepping motor is arranged on the third adjusting motor base and is fixedly connected with the second adjusting motor base; the adjusting rod is arranged on the power output shaft of the stepping motor and is fixedly connected with the power output shaft of the stepping motor; the adjusting rod is cylindrical, and fine-tooth common threads with a self-locking function are arranged on the outer circumference of the adjusting rod and are screwed with the inner threads on the third adjusting sleeve.
The upright post is arranged on the upright post mandrel, is a hollow body, is sleeved on the upright post mandrel, can rotate on the upright post mandrel, and cannot move in the radial direction; the upright post is provided with a locking motor mounting seat which is fixedly connected with a locking motor; a threaded hole is formed in the locking motor mounting seat, penetrates through the outer wall of the stand column and is perpendicular to the locking motor mounting seat; fine common threads are arranged in the threaded holes and are matched with external threads of a locking rod of the locking motor; the upright post is also provided with an antenna bracket mounting seat which is fixedly connected with the antenna bracket.
The first adjusting motor is installed on the first adjusting motor base and fixedly connected with the first adjusting motor base.
The first adjusting motor comprises a stepping motor and an adjusting rod; the stepping motor is arranged on the first adjusting motor base and is fixedly connected with the first adjusting motor base; the adjusting rod is arranged on the power output shaft of the stepping motor and is fixedly connected with the power output shaft of the stepping motor; the adjusting rod is cylindrical, and the outer circumference of the adjusting rod is provided with fine-tooth common threads with a self-locking function and is screwed with the internal threads on the first adjusting sleeve.
The first adjusting motor base is installed on the base and is vertically and fixedly connected with the base.
The first adjusting motor base is provided with a first adjusting motor mounting hole which is fixedly connected with the first adjusting motor.
The stand upper bracket install on first regulation seat, with the perpendicular fixed connection of first regulation seat.
The upright post upper seat is of a plate-shaped structure, and two planes of the upright post upper seat are parallel to two planes of the upright post lower seat.
The stand column upper seat is provided with an arc hole, the central radius of the arc hole is equal to the distance from the center of a pin hole at the lower end of the stand column core shaft to the center of a pin hole at the upper shaft head, and the width of the arc hole is equal to the diameter of the upper pin shaft.
And the second adjusting sleeve is arranged on the upper pin shaft on the upper shaft head and is fixedly connected with one end of the upper pin shaft.
The second adjusting sleeve comprises a threaded sleeve and a connecting shaft; an internal thread through hole is formed in the threaded sleeve, and the specification and the size of the internal thread are matched with the external thread on the adjusting rod on the second adjusting motor; the connecting shaft is vertically and fixedly connected with the threaded sleeve, and the other end of the connecting shaft is fixedly connected with the upper pin shaft; the connecting shaft is a through shaft, and the shaft axis of the connecting shaft is concentric with the shaft axis of the upper pin shaft after being connected with the upper pin shaft.
The upper shaft head is arranged at the upper end of the upright post mandrel, and the lower end of the upper shaft head is fixedly connected with the upright post mandrel; an open slot is arranged at the upper part of the upper shaft head, the width of the open slot is the same as the thickness of the second adjusting seat, and the second adjusting seat is clamped into the slot; the upper end of the upper shaft head is provided with a pin hole, and the diameter of the pin hole is the same as that of the upper pin shaft and is connected with the upper pin shaft.
And the third adjusting motor base is arranged at the lower end of the upright post mandrel and is fixedly connected with the upright post mandrel.
A third adjusting motor mounting and fixing hole is formed in the third adjusting motor base and is fixedly connected with the third adjusting motor;
the first adjusting sleeve is installed on the first adjusting seat and is fixedly connected with the first adjusting seat.
The first adjusting sleeve comprises a threaded sleeve and a hinged shaft; the threaded sleeve is vertically connected with the articulated shaft, and a fine common internal thread is arranged in the threaded sleeve; the hinge shaft comprises a fixed shaft and a connecting shaft, one end of the fixed shaft is fixedly connected with the first adjusting seat, the other end of the fixed shaft is sleeved with the connecting shaft, and the connecting shaft can concentrically rotate on the fixed shaft after being sleeved with the connecting shaft; one end of the connecting shaft is sleeved with the fixed shaft, and the other end of the connecting shaft is vertically and fixedly connected with the threaded sleeve.
Advantageous effects
The device has the advantages that three-dimensional adjustment is adopted, the attitude change of the antenna caused by the attitude change of the iron tower can be accurately corrected, the change of each antenna caused by the attitude change of the iron tower is different when a plurality of antennas are arranged around the upper part of the iron tower, the manual calculation and the correction are difficult, the measurement and the correction are timely, the precision is high, the manual intervention is not needed, the device is particularly suitable for a wireless communication base station arranged in the field, the labor intensity is reduced, the resources are saved, and the danger caused by the manual operation of an operator is avoided. Meanwhile, each adjusting group is provided with more than two fixed nodes on the antenna attitude control part, and the adjusting rod and the adjusting sleeve are both provided with threads with self-locking functions, so that the adjusted elements can be guaranteed to be stably stopped in any adjusting state, the integral rigidity of the antenna is guaranteed, and the self-instability of antenna installation is reduced.
Drawings
FIG. 1 is a schematic diagram of an antenna attitude correction apparatus
4. Antenna, 51, mounting seat, 52, base, 53, outer cover.
FIG. 2 is a schematic structural diagram of an antenna attitude correction device
51. The mounting structure comprises a mounting base, 52, a base, 53, an outer cover, 54, a first adjusting base, 55, an upper pin shaft, 56, a second adjusting motor base, 57, a second adjusting motor, 58, a locking motor, 59, an upright post lower base, 60, an upright post core shaft, 61, a third adjusting sleeve, 62, a third adjusting motor, 63, 64, a first adjusting motor, 65, a first adjusting motor base and 70, a first adjusting sleeve.
FIG. 3 is a schematic structural diagram of an antenna attitude correction device
4. The antenna comprises an antenna, 51, a mounting base, 52, a base, 53, an outer cover, 57, a second adjusting motor, 66, an upright post upper base, 67, a second adjusting sleeve, 68, an upper shaft head and 69, and a third adjusting motor base.
Detailed Description
To further illustrate the technical solution of the present invention, referring to fig. 1, 2, and 3, in this example, two halves of fastening seats commonly used in the industry are used as the mounting seats 51, in this example, two mounting seats 51 are used, and are disposed on the same side of the base 52, and the distance between the two mounting seats is the same as the distance between the upper and lower mounting rails of the iron tower fence, in this example, a steel plate with a thickness of 10 mm is used as the base 52, two planes of the steel plate are respectively connected to the mounting seats 51 and the first adjusting seat 54, and a peripheral side of the steel plate is connected to the outer cover 53; in this example, a stainless steel plate with a thickness of 1 mm is bent and welded to form a rectangular cavity with a single-side opening, and one side of the opening is sleeved on the periphery of the base 52 and connected with the base 52 through bolts; the side surface of the bottom of the outer cover 53 is provided with an antenna bracket through hole, a support rod on the antenna bracket can penetrate through the antenna bracket through hole to be fixedly connected with the upright post, and the size of the antenna bracket through hole is 5-10 mm larger than the size of the cross section of the antenna bracket in the embodiment, so that not only is sundries prevented from entering the outer cover 53, but also interference is prevented when the posture of the antenna is adjusted; in this embodiment, the first adjusting seat 54 is a plate-shaped structure, and a connecting shaft is disposed at the geometric center of the plane thereof, and is connected to the connecting hole of the base 52 so as to rotate around the connecting position; the connecting hole on the base 52 is positioned at the geometric center of the plane of the base 52; the upper pin shaft 55 is arranged on an upper shaft head and an upright post upper seat 66 and penetrates through holes of the upper shaft head 68 and the upright post upper seat 66, one end of the upper pin shaft is connected with a second adjusting sleeve 67, and the other end of the upper pin shaft is provided with a clamping ring retainer ring which is universal in the industry so as to block the axial movement of the upper pin shaft 55; the second adjusting motor base 56 is arranged at the end part of the upright post upper base 66 and is vertically and fixedly connected with the upright post upper base 66; a second adjusting motor 57 mounting and fixing hole is formed in the second adjusting motor base 56; in this example, a micro stepping motor commonly used in the industry is selected as the stepping motor of the first adjusting motor 64, the second adjusting motor 57 and the third adjusting motor 62; a screw rod with the diameter of 20 mm and the thread pitch of 0.75 mm is selected as an adjusting rod at the front end of each adjusting motor; fixedly mounting an adjusting rod on a power output shaft of the stepping motor to form an adjusting motor; a second adjusting motor 57 is arranged on the second adjusting motor base 56 and is fixedly connected with the second adjusting motor base 56; the adjusting rod of the second adjusting motor 57 is screwed with the second adjusting sleeve 67; in the embodiment, a micro torque motor which is commonly used in the industry is selected, a screw rod with the diameter of 20 mm and external threads is sleeved on a power output shaft of the micro torque motor to form a locking motor 58, the specification of the threads is M20X1, the locking motor is formed, the sleeved mounting means that an inner hole is formed in the middle of the locking rod, a square inner hole is adopted in the embodiment, the power output shaft of the torque motor is a square shaft, and the locking rod can axially move on the power output shaft of the torque motor and cannot relatively rotate; installing a locking motor 58 on the upright post 63 and fixedly connecting the locking motor with the upright post 63, wherein a locking rod of the locking motor is screwed with a threaded hole on the upright post 63; the lower stand column seat 59 is arranged on the plane of the first adjusting seat 54 and is vertically and fixedly connected with the first adjusting seat 54; the lower stand column seat 59 is provided with a mounting hole which is hinged with the lower end of the stand column core shaft 60 through a pin shaft; in this example, a hollow round steel is selected as a main body of the column mandrel 60, the lower end of the column mandrel 60 is provided with a structure and a shape which are the same as those of the upper spindle head 68, the upper end of the column mandrel 60 is provided with a threaded hole and is used as the column mandrel 60, the column mandrel 60 is arranged on the column lower seat 59, and the upper part of the column mandrel passes through the inside of the column 63 and is connected with the upper spindle head 68; a groove is formed in the lower end of the upright post mandrel 60, the width of the groove is matched with the thickness of the upright post lower seat 59, and the groove is clamped and sleeved on two thickness planes of the upright post lower seat 59 and is hinged with the upright post lower seat 59 through a pin shaft; in this example, the third adjusting sleeve 61 is selected, and the first adjusting sleeve 70 comprises a threaded sleeve and a hinged shaft; the threaded sleeve is vertically connected with the hinged shaft, a fine common internal thread is arranged in the threaded sleeve, the hinged shaft comprises a fixed shaft and a connecting shaft, one end of the fixed shaft is fixedly connected with the shell of the locking motor 58, the other end of the fixed shaft is sleeved with the connecting shaft, and the connecting shaft can concentrically rotate on the fixed shaft after being sleeved with the connecting sleeve; one end of the connecting shaft is sleeved with the fixed shaft, and the other end of the connecting shaft is vertically and fixedly connected with the threaded sleeve; mounting a third adjusting sleeve 61 on the shell of the locking motor 58 and hinging the third adjusting sleeve with the shell of the locking motor; mounting the third adjusting motor 62 on the third adjusting motor base 69 and fixedly connecting with the third adjusting motor base 69; in the embodiment, hollow cylindrical round steel is selected as the upright post 63, the upright post 63 is installed on the upright post mandrel 60, the upright post is a hollow body in the embodiment, the inner hole of the upright post 63 is the same as the outer diameter of the upright post mandrel 60, and the upright post 63 is sleeved on the upright post mandrel 60 and can rotate on the upright post mandrel 60 but cannot move radially; a mounting seat of the locking motor 58 is arranged on the outer circumference near the lower end of the upright post 63 and is fixedly connected with the locking motor 58; a threaded hole is formed in the middle of the locking motor mounting seat, penetrates through the outer wall of the upright post 63 and is perpendicular to the locking motor mounting seat; fine common threads are arranged in the threaded holes and are matched with external threads of a locking rod of the locking motor; an antenna bracket mounting seat is arranged on the outer circumference of the upright post 63 and is fixedly connected with an antenna bracket; the first adjusting motor 64 is arranged on the first adjusting motor base 65 and is fixedly connected with the first adjusting motor base 65; the first adjusting motor base installation 65 is arranged at the lower part of one surface of the base 52 facing the upright post 63 and is vertically and fixedly connected with the base 52; the upright post upper seat 66 is arranged at the upper part of the first adjusting seat 54 and is vertically and fixedly connected with the first adjusting seat 54; an arc hole is arranged on the upright post upper seat 66, the radius of the center circle of the arc hole is equal to the distance from the center of a pin hole at the lower end of the upright post core shaft 60 to the center of a pin hole of an upper shaft head 68, the width of the arc hole is equal to the diameter of the upper pin shaft 55, and two planes of the arc hole are ensured to be parallel to two planes of the upright post lower seat 59 during installation; a second adjusting sleeve 67 is arranged on the upper pin shaft 55 on the upper shaft head 58 and is fixedly connected with one end of the upper pin shaft 55; in this example, the second adjusting sleeve 67 comprises a threaded sleeve and a connecting shaft; an internal thread through hole is formed in the threaded sleeve, and the specification and the size of the internal thread of the threaded sleeve are matched with the external thread on the adjusting rod on the second adjusting motor 57; the connecting shaft is vertically and fixedly connected with the threaded sleeve, and the other end of the connecting shaft is fixedly connected with the upper pin shaft 55; the connecting shaft is a through shaft, and the shaft axis of the connecting shaft is concentric with the shaft axis of the upper pin shaft after being connected with the upper pin shaft; a third adjusting motor base 69 is arranged at the lower end of the upright post mandrel 60 and is fixedly connected with the upright post mandrel 60; mounting the first adjusting sleeve 70 on the first adjusting seat 54 and fixedly connecting with the first adjusting seat 54; thus, the present invention has been completed.
When the antenna 4 left-right swinging correction device is used, when the iron tower posture measurement and control device measures that the iron tower posture change exceeds the design allowable range in a stable state, the iron tower posture change parameters are transmitted to the central control device, the central control device calculates to obtain the posture change value of each iron tower installed around an iron tower fence, then an instruction is sent, each motor in the antenna posture correction device is driven through the stepping motor driver, the first adjusting seat 54, the first adjusting motor seat 65, the first adjusting motor 64 and the first adjusting sleeve 70 form the antenna 4 left-right swinging correction device, and the left-right direction in the embodiment refers to the direction when the sighting direction is the same as the connecting direction of the central line of the antenna 4 and the central line of the iron tower and stands outside the iron tower to face the iron tower; the front and back pitching correction device of the antenna 4 consists of an upright post mandrel 60, an upper shaft head 68, an upright post upper seat 66, an upright post lower seat 59, an upper pin shaft 55, a second adjusting motor seat 56, a second adjusting motor 57 and a second adjusting sleeve 67, and the visual angle direction is the same as the above direction; the antenna 4 left and right torsion correcting device is composed of an upright post 63, a locking motor 58, a third adjusting motor 62, a third adjusting sleeve 61 and a third adjusting motor base 69, the visual angle of the antenna 4 left and right torsion correcting device is the same as that of the antenna 4 left and right torsion correcting device, the three correcting devices act simultaneously, the first adjusting device 54 is driven to swing left and right around a connecting shaft through the positive and negative rotation of a stepping motor respectively, an upright post mandrel 60 swings back and forth, the upright post 63 rotates left and right to compensate the attitude error of the antenna 4 generated due to the change of the attitude of an iron tower, when the antenna attitude measuring and controlling device displays an original value or the original value plus a numerical value of an allowable error range, the antenna attitude measuring and controlling device sends data information to central control equipment in real time, and after the data comparison is carried out by the central control equipment, an instruction is sent out to stop the operation of the antenna attitude correcting device on the antenna, and the locking motor 58 is instructed to lock the upright post 63 and the upright post mandrel 60, so that the attitude of the antenna 4 is corrected; because the three-dimensional adjustment is adopted, the attitude change of the antenna 4 caused by the change of the attitude of the iron tower can be accurately corrected, because when the plurality of antennas 4 are arranged around the upper part of the iron tower, the change of each antenna 4 caused by the change of the attitude of the iron tower is different, the manual calculation is difficult and the correction is difficult, the device is timely in measurement and control and correction, high in precision, free of manual intervention, particularly suitable for a wireless communication base station installed in the field, and capable of reducing the labor intensity, saving resources and avoiding the danger of manual operation of operators. Meanwhile, each adjusting group is provided with more than two fixed nodes for the attitude control part of the antenna 4, and the adjusting rod and the adjusting sleeve are provided with threads with self-locking functions, so that the adjusted elements can be stably stopped in any adjusting state, the integral rigidity of the antenna 4 is ensured, and the self instability of the installation of the antenna 4 is reduced.
Claims (7)
1. An antenna attitude correction device of a field communication base station is suitable for the field communication base station, and the field communication base station comprises a machine room, a transmission line, an antenna, an iron tower fence, a lightning arrester and a tower body, and also comprises an iron tower attitude measurement and control device, an antenna attitude measurement and control device and an antenna attitude correction device; the machine room is arranged on the ground near the iron tower foundation, and communication transmission equipment and central control equipment are installed in the machine room; the communication transmission equipment is connected with a host of a communication enterprise through an optical cable and is connected with an antenna at the upper part of the iron tower through a transmission line; the central control equipment is connected with an iron tower attitude measurement and control device and an antenna attitude measurement and control device on the iron tower through transmission lines and is connected with an antenna attitude correction device; the iron tower is arranged near the machine room and comprises a base, a tower body, an iron tower fence and a lightning arrester; the transmission line is arranged between the machine room and the iron tower and comprises a communication signal transmission line, a control signal transmission line and a power supply line; the antenna is arranged on the antenna attitude correction device and comprises an antenna bracket and an antenna body; the antenna bracket is fixedly connected with the antenna attitude correction device; the antenna body is arranged on the antenna bracket; the antennas are positioned on the periphery of an iron tower rail at the upper part of the iron tower and are uniformly distributed along the periphery of the iron tower rail; the iron tower posture measuring and controlling device is arranged at the upper part of the iron tower and is positioned at the same height layer as the antenna mounting plane; the iron tower posture measuring and controlling device is fixedly connected with an iron tower body and is positioned in the geometric center of the cross section of the iron tower; the antenna attitude measurement and control device is arranged at the lower part of the antenna, is fixedly connected with the antenna shell and is connected with central control equipment in a machine room through a lead; the antenna attitude correction device is arranged on an iron tower rail, is fixedly connected with the iron tower rail and is connected with central control equipment in a machine room through a lead; the method is characterized in that: the antenna attitude correction device comprises a mounting seat, a base, an outer cover, a first adjusting seat, an upper pin shaft, a second adjusting motor seat, a second adjusting motor, a locking motor, a lower stand column seat, a stand column core shaft, a third adjusting sleeve, a third adjusting motor, a stand column, a first adjusting motor seat, an upper stand column seat, a second adjusting sleeve, an upper shaft head, a third adjusting motor seat and a first adjusting sleeve; the two mounting seats are arranged on the same side surface of the base, and the spacing distance of the two mounting seats is the same as the distance between the upper mounting rail and the lower mounting rail of the iron tower fence; the base is of a plate-shaped structure, two sides of the base are respectively connected with the mounting seat and the first adjusting seat, and the peripheral side face of the base is connected with the outer cover; the outer cover is made of a thin-wall material, is a hollow cavity with a thin wall and a single side, and one side of the opening of the outer cover is sleeved on the periphery of the base and is detachably and fixedly connected with the base; the side surface of the bottom of the outer cover is provided with an antenna bracket through hole, and a supporting rod on the antenna bracket can penetrate through the antenna bracket through hole to be fixedly connected with the upright post; the first adjusting seat is arranged on the base and is connected with the base through a rotating shaft; the first adjusting seat can rotate around the first connecting shaft; the first connecting shaft hole is positioned at the geometric center of the plane of the base; the first connecting shaft is positioned at the geometric center of the plane of the first adjusting seat; the upper pin shaft is arranged on the upper shaft head and the second adjusting seat and penetrates through the holes of the upper shaft head and the upright post upper seat, one end of the upper pin shaft is connected with the second adjusting sleeve, and the other end of the upper pin shaft is provided with a snap ring retaining ring; the second adjusting motor base is arranged at the end part of the upper stand column base and is vertically and fixedly connected with the upper stand column base; a second adjusting motor mounting and fixing hole is formed in the second adjusting motor base; the second adjusting motor is arranged on the second adjusting motor base and is fixedly connected with the second adjusting motor base; the locking motor is arranged on the upright post and is fixedly connected with the upright post; the locking motor comprises a torque motor and a locking rod; the torque motor shell is fixedly connected with the upright post and is connected with the central control equipment through a lead; one end of the locking rod is arranged on a power output shaft of the torque motor and is connected with the power output shaft of the torque motor in a sleeved mode, the other end of the locking rod is connected with a threaded hole in the upright post in a screwed mode, and the end part of the locking rod can be in contact with an upright post mandrel through the outer wall of the upright post through rotation of the locking rod; the lower stand column seat is arranged on the plane of the first adjusting seat and is vertically and fixedly connected with the first adjusting seat; the lower seat of the upright post is provided with a mounting hole which is hinged with the lower end of the upright post mandrel through a pin shaft; the upright post mandrel is arranged on the upright post lower seat, and the upper part of the upright post mandrel penetrates through the inside of the upright post and is connected with the upper shaft head; the lower end of the upright post mandrel is provided with a groove, and the width of the groove is matched with the thickness of the upright post lower seat; the groove clamp is sleeved on two thickness planes of the lower stand column seat and is hinged with the lower stand column seat through a pin shaft; the upper end of the upright post mandrel is screwed with the upper shaft head through threads; the third adjusting motor is arranged on the third adjusting motor base and is fixedly connected with the third adjusting motor base; the third adjusting motor comprises a stepping motor and an adjusting rod; the stepping motor is arranged on the third adjusting motor base and is fixedly connected with the second adjusting motor base; the adjusting rod is arranged on the power output shaft of the stepping motor and is fixedly connected with the power output shaft of the stepping motor; the adjusting rod is cylindrical, and the outer circumference of the adjusting rod is provided with fine-tooth common threads with a self-locking function and is screwed with the internal threads on the third adjusting sleeve; the upright post is arranged on the upright post mandrel, is a hollow body, is sleeved on the upright post mandrel, can rotate on the upright post mandrel, and cannot move in the radial direction; the upright post is provided with a locking motor mounting seat which is fixedly connected with a locking motor; a threaded hole is formed in the locking motor mounting seat, penetrates through the outer wall of the upright post and is perpendicular to the locking motor mounting seat; fine common threads are arranged in the threaded holes and are matched with external threads of a locking rod of the locking motor; the upright post is also provided with an antenna bracket mounting seat which is fixedly connected with the antenna bracket; the first adjusting motor is arranged on the first adjusting motor base and is fixedly connected with the first adjusting motor base; the first adjusting motor base is arranged on the base and is vertically and fixedly connected with the base; a first adjusting motor mounting hole is formed in the first adjusting motor base and is fixedly connected with the first adjusting motor; the upright post upper seat is arranged on the first adjusting seat and is vertically and fixedly connected with the first adjusting seat; the upper seat of the upright post is of a plate-shaped structure, and two planes of the upper seat of the upright post are parallel to two planes of the lower seat of the upright post; the second adjusting sleeve is arranged on the upper pin shaft on the upper shaft head and is fixedly connected with one end of the upper pin shaft; the upper shaft head is arranged at the upper end of the upright post mandrel, and the lower end of the upper shaft head is fixedly connected with the upright post mandrel; an open slot is arranged at the upper part of the upper shaft head, the width of the open slot is the same as the thickness of the second adjusting seat, and the second adjusting seat is clamped into the slot; the upper end of the upper shaft head is provided with a pin hole, the diameter of the pin hole is the same as that of the upper pin shaft, and the pin hole is connected with the upper pin shaft; the third adjusting motor base is arranged at the lower end of the upright post mandrel and is fixedly connected with the upright post mandrel; a third adjusting motor mounting and fixing hole is formed in the third adjusting motor base and is fixedly connected with the third adjusting motor; the first adjusting sleeve is arranged on the first adjusting seat and is fixedly connected with the first adjusting seat; the first adjusting sleeve comprises a threaded sleeve and a hinged shaft; the threaded sleeve is vertically connected with the hinged shaft, and a fine common internal thread is arranged in the threaded sleeve; the hinge shaft comprises a fixed shaft and a hinge connecting shaft, one end of the fixed shaft is fixedly connected with the first adjusting seat, the other end of the fixed shaft is sleeved with the hinge connecting shaft, and the hinge connecting shaft can concentrically rotate on the fixed shaft after being sleeved with the hinge connecting shaft; one end of the hinged connecting shaft is sleeved with the fixed shaft, and the other end of the hinged connecting shaft is vertically and fixedly connected with the threaded sleeve.
2. The antenna attitude calibration apparatus of claim 1, wherein: the mounting base is split, one half of the mounting base is fixedly connected with the base, the other half of the mounting base is connected with one half of the mounting base through bolts, the two halves are buckled to form a cavity, the shape of the cavity is the same as the shape of the cross section of the iron tower fence mounting ring, and the size of the cavity is smaller than or equal to that of the mounting ring.
3. The antenna attitude calibration apparatus of claim 1, wherein: the second adjusting motor comprises a stepping motor and an adjusting rod; the stepping motor is arranged on the second adjusting motor base and is fixedly connected with the second adjusting motor base; the adjusting rod is arranged on the power output shaft of the stepping motor and is fixedly connected with the power output shaft of the stepping motor; the adjusting rod is cylindrical, and the outer circumference of the adjusting rod is provided with fine-tooth common threads with a self-locking function and is screwed with the internal threads on the second adjusting sleeve.
4. The antenna attitude correction apparatus of claim 1, wherein: the third adjusting sleeve is arranged on the locking motor shell and is hinged with the locking motor shell; the third adjusting sleeve comprises a threaded sleeve and a hinged shaft; the threaded sleeve is vertically connected with the hinged shaft, and a fine common internal thread is arranged in the threaded sleeve; the hinge shaft comprises a fixed shaft and a third connecting shaft, one end of the fixed shaft is fixedly connected with the shell of the locking motor, the other end of the fixed shaft is sleeved with the third connecting shaft, and the third connecting shaft can concentrically rotate on the fixed shaft after being sleeved with the connecting sleeve; one end of the third connecting shaft is sleeved with the fixed shaft, and the other end of the third connecting shaft is vertically and fixedly connected with the threaded sleeve.
5. The antenna attitude calibration apparatus of claim 1, wherein: the second adjusting sleeve comprises a threaded sleeve and a second connecting shaft; an internal thread through hole is formed in the threaded sleeve, and the specification and the size of the internal thread of the threaded sleeve are matched with the external thread on the adjusting rod on the second adjusting motor; the second connecting shaft is vertically and fixedly connected with the threaded sleeve, and the other end of the second connecting shaft is fixedly connected with the upper pin shaft; the second connecting shaft is a through shaft, and the shaft axis of the second connecting shaft is concentric with the shaft axis of the upper pin shaft after the second connecting shaft is connected with the upper pin shaft.
6. The antenna attitude correction apparatus of claim 1, wherein: the stand upper base on be provided with the arc hole, its arc hole central circle radius equals the distance of stand dabber lower extreme pinhole center to last spindle nose pinhole center, the width in arc hole equals the diameter of last round pin axle.
7. The antenna attitude correction apparatus of claim 1, wherein: the first adjusting motor comprises a stepping motor and an adjusting rod; the stepping motor is arranged on the first adjusting motor base and is fixedly connected with the first adjusting motor base; the adjusting rod is arranged on the power output shaft of the stepping motor and is fixedly connected with the power output shaft of the stepping motor; the adjusting rod is cylindrical, and the outer circumference of the adjusting rod is provided with fine-tooth common threads with a self-locking function and is screwed with the internal threads on the first adjusting sleeve.
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