CN115296001A - Large broadband micro distribution system - Google Patents
Large broadband micro distribution system Download PDFInfo
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- CN115296001A CN115296001A CN202210930015.2A CN202210930015A CN115296001A CN 115296001 A CN115296001 A CN 115296001A CN 202210930015 A CN202210930015 A CN 202210930015A CN 115296001 A CN115296001 A CN 115296001A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
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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
- H01Q1/14—Supports; Mounting means for wire or other non-rigid radiating elements
- H01Q1/16—Strainers, spreaders, or spacers
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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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a large broadband micro-distribution system, which comprises a power divider, a first bidirectional amplifying circuit, a second bidirectional amplifying circuit, a power supply and an antenna assembly, wherein the antenna assembly comprises an installation cylinder body, a plurality of adjusting support rods are fixed in the middle of the outer side surface of the installation cylinder body, one end of each adjusting support rod, which is far away from the installation cylinder body, is rotatably connected with a first panel directional antenna, the upper end and the lower end of each first panel directional antenna are respectively connected with a second panel directional antenna, one ends, which are far away from the first panel directional antenna, of the upper second panel directional antenna and the lower second panel directional antenna are respectively connected with a traction rope, the traction ropes extend into the installation cylinder body, and a rope winder for winding the traction ropes is arranged in the installation cylinder body; the invention not only can be well suitable for receiving and transmitting large broadband signals, but also has the effect of omnidirectional radiation, and has the advantages of simple structure, low manufacturing cost and convenient popularization and use.
Description
Technical Field
The invention belongs to the technical field of communication equipment, and relates to a large broadband micro distribution system.
Background
The large broadband (i.e. ultra-wideband) generally refers to a radio technology with a signal broadband greater than 1.5GHz or a broadband ratio (the ratio of the signal width to the center frequency) greater than 25%, and has the advantages of insensitivity to channel fading, low spectral density of transmitted signals, low interception capability, low system complexity, capability of providing positioning accuracy of several centimeters, and the like. With the rapid growth of indoor mobile user groups, users put higher requirements on the telephone traffic and coverage of mobile communication, and therefore, optimizing indoor network coverage and quality and attracting the number of "hot" users have become the key to gaining competitive advantages in operation. From the network coverage, the indoor distribution system can effectively solve the problems of indoor blind areas and interference; from the network capacity, the indoor distribution system can effectively absorb the telephone traffic of indoor dense areas, improve the system capacity, reduce the pressure of outdoor base stations, reduce the number of the outdoor base stations and reduce the configuration; the application of large broadband radio technology to indoor distribution systems is driven by the situation; the antenna of the traditional indoor distribution system generally adopts a ceiling omnidirectional antenna, but the ceiling omnidirectional antenna has narrow broadband and cannot be suitable for large broadband; the directional antenna is suitable for a large broadband, but has a single radiation direction, and cannot be well suitable for omnidirectional radiation.
Disclosure of Invention
Aiming at the problems, the invention provides a large broadband micro-distribution system, which well solves the problem that a single omnidirectional antenna and a single directional antenna in the prior art cannot be applied to a large broadband indoor distribution system.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a big broadband microdistribution system, includes that the merit divides the ware, divides the ware first bidirectional amplification circuit and a plurality of second bidirectional amplification circuit be connected with the merit, the power of being connected with the ware is divided to the merit, first bidirectional amplification circuit and a plurality of second bidirectional amplification circuit all are connected with the antenna module, the antenna module is including the installation barrel, the lateral surface middle part of installation barrel is fixed with a plurality of adjusting support rods along installation barrel axis circumference equipartition, every adjusting support rod deviates from the one end of installation barrel and rotates and be connected with first panel directional antenna, and the upper and lower both ends of first panel directional antenna are all connected with second panel directional antenna through elastic hinge, elastic hinge sets up in the side of first panel directional antenna orientation barrel and provides thrust and acts first panel directional antenna and second panel directional antenna, and from top to bottom the one end that second panel directional antenna deviates from first panel directional antenna all is connected with the haulage rope, the haulage rope extends to in the installation barrel, be provided with in the installation barrel and supply haulage rope winder that the haulage rope winding.
Furthermore, the elastic hinge comprises a hinge connected between the first flat directional antenna and the second flat directional antenna and a torsion spring arranged on a hinge shaft of the hinge, and two torsion arms of the torsion spring respectively abut against two hinge plates of the hinge.
Furthermore, end plates are fixed on opposite end faces of the first directional planar antenna and the second directional planar antenna, the two end faces are respectively connected to the two leaf plates of the hinge, two opposite side faces of the end plates are integrally connected with bumps, and when the bumps mutually abut against the opposite end plates, the two end plates are parallel to each other and keep the first directional planar antenna and the second directional planar antenna parallel.
Furthermore, the rope winder comprises a first winding wheel, a second winding wheel, a first rotating shaft and a second rotating shaft, bearing seats fixed on the inner wall of the installation barrel are connected to the first rotating shaft and the second rotating shaft, a through hole is formed in the second rotating shaft, the lower end of the first rotating shaft penetrates through the second rotating shaft through the through hole and extends to the outside of the installation barrel, the first winding wheel is arranged at the upper end of the first rotating shaft, the second winding wheel is arranged on the second rotating shaft, and the traction rope on the second flat plate directional antenna is wound on the first winding wheel and the second winding wheel respectively from top to bottom.
Furthermore, the middle part of the first rotating shaft and the upper end of the second rotating shaft are both provided with a clamping and stopping mechanism.
Further, the cooperation of ropewinder has drive arrangement, drive arrangement includes driven gear, the casing that the lower extreme of first axis of rotation and second axis of rotation all is connected, can mesh transmission internal gear, transmission external gear with driven gear mutually, connect the go-between transmission internal gear and transmission external gear, can mesh with the transmission external gear driving gear mutually, the driving gear rotates to be connected on the outer wall of casing, transmission internal gear rotates to be connected in the casing, be provided with the handle on the side of driving gear.
Furthermore, the lower end face of the transmission internal gear is abutted with a thrust ball bearing arranged in the shell.
Furthermore, the upper end of the shell is provided with stop rods which are uniformly distributed along the circumference of the axis of the transmission internal gear and extend along the radial direction of the transmission internal gear, a step through hole is formed in the side wall of the upper end of the shell, a guide rod is arranged at one end, deviating from the transmission internal gear, of the stop rod, the guide rod penetrates through the step through hole, part of the stop rod is sunk into the step through hole, a second spring is arranged in the step through hole and abutted against the stop rod and the step through hole, one end, penetrating out of the step through hole, of the guide rod is connected with a stop block, and one end, close to the transmission internal gear, of the stop rod is bent and can abut against the end face of the driven gear.
Furthermore, the bending part of the stop lever and the end abutting against the driven gear are provided with smooth round corners.
Further, adjust branch including the regulation section of thick bamboo on the vertical fixation installation barrel lateral wall, adjust the side of a section of thick bamboo and offer the rectangular shape opening about its axis symmetry, be provided with in the regulation section of thick bamboo and wear to be equipped with the slide bar, the one end that the slide bar stretched into the regulation section of thick bamboo is provided with the gliding stopper in rectangular shape opening, the opening part of adjusting a section of thick bamboo is provided with the end cover, it has the adjusting nut who is located the stopper both sides to set up external screw thread and cooperation on the outer wall of a regulation section of thick bamboo.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, the plurality of first flat plate directional antennas and the plurality of second flat plate directional antennas are uniformly distributed on the circumference of the installation cylinder body, and the radiation coverage is carried out in all directions along the radial direction of the installation cylinder body, so that the broadband antenna radiation device not only can be well suitable for receiving and transmitting large broadband signals, but also has the effect of all-directional radiation, and has the advantages of simple structure, low manufacturing cost and convenience for popularization and use.
According to the invention, the elastic hinge is matched with the traction rope, so that the radiation directions of the first panel directional antenna and the second panel directional antenna can be flexibly adjusted, the adjustment is convenient, the antenna is suitable for being installed at a high position or a low position, and the antenna is suitable for various environments.
According to the invention, the driving device is strong in convenience and convenient to carry, and the winding and releasing efficiency of the traction rope is improved.
Drawings
FIG. 1 is an overall schematic block diagram of the present invention;
FIG. 2 is a diagram of the horizontal radiating state of the antenna assembly of the present invention;
FIG. 3 is a schematic structural diagram of a driving device according to the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of the portion B of FIG. 2;
FIG. 6 is an enlarged view of the portion C of FIG. 2;
FIG. 7 is an enlarged view of section D of FIG. 2;
FIG. 8 is a schematic structural view of an adjusting strut of the present invention;
FIG. 9 is a front view of the flexible hinge of the present invention;
fig. 10 is a diagram of an antenna assembly of the present invention radiating obliquely downward;
fig. 11 is a diagram of the antenna assembly of the present invention radiating obliquely upward and downward.
In the figure: 1, mounting a cylinder; 2-adjusting the supporting rod; 3-a first planar directional antenna; 4-an elastic hinge; 5-a second plate directional antenna; 6-a traction rope; 7-a first reel; 8-a second reel; 9-a first rotating shaft; 10-a second rotating shaft; 11-a latching mechanism; 12-a driven gear; 13-a housing; 14-a transmission annulus gear; 15-an external transmission gear; 16-a connecting ring; 17-a drive gear; 18-a stop lever; 19-a stepped through hole; 20-a guide bar; 21-a second spring; 201-adjusting cylinder; 202-a strip-shaped gap; 203-a slide bar; 204-a limiting block; 205-adjusting nuts; 401-hinge; 402-a torsion spring; 403-end plate; 111-card slot; 112-a catch lever; 113-a first spring; 114-a slotted hole; 115-locking plate.
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.
As shown in fig. 1 and fig. 2, the broadband microdistribution system according to the present invention includes a power divider, a first bidirectional amplifying circuit and a second bidirectional amplifying circuit connected to the power divider, and a power supply connected to the power divider, where the first bidirectional amplifying circuit and the plurality of second bidirectional amplifying circuits are both connected to an antenna assembly, the power supply provides power for the power divider, the first bidirectional amplifying circuit, and the second bidirectional amplifying circuit, the first bidirectional amplifying circuit and the antenna assembly form a communication front end for receiving a signal from a base station and transmitting the signal to the base station, and the second bidirectional amplifying circuit and the antenna assembly form a communication back end for transmitting the signal to a user terminal and receiving the signal from the user terminal; the antenna assembly comprises an installation barrel body 1, a plurality of adjusting support rods 2 uniformly distributed along the circumference of the axis of the installation barrel body 1 are fixed in the middle of the outer side face of the installation barrel body 1, one end, away from the installation barrel body 1, of each adjusting support rod 2 is rotatably connected with a first plate directional antenna 3, the upper end and the lower end of each first plate directional antenna 3 are connected with a second plate directional antenna 5 through elastic hinges 4, each elastic hinge 4 is arranged on the side face, facing the installation barrel body 1, of each first plate directional antenna 3 and provides thrust to act on the first plate directional antenna 3 and the second plate directional antenna 5, one ends, away from the first plate directional antenna 3, of the upper plate directional antenna 5 and the lower plate directional antenna 5 are connected with traction ropes 6, the traction ropes 6 extend into the installation barrel body 1, and rope winders for winding the traction ropes 6 are arranged in the installation barrel body 1;
when the technical scheme is used, the plurality of first plate directional antennas 3 and the plurality of second plate directional antennas 5 are uniformly distributed along the circumference of the installation cylinder 1, the surrounding space can be radiated in an omnibearing manner, the radiation range is wide, and the first plate directional antennas 3 and the second plate directional antennas 5 can be both suitable for large-bandwidth radio signals; moreover, the elastic hinge 4 always provides thrust for the first and second directional patch antennas 3 and 5; when the upper and lower pulling ropes 6 are equal in length outside the installation cylinder 1, as shown in fig. 1, the first plate directional antenna 3 and the second plate directional antenna 5 radiate in the horizontal direction, so that the installation cylinder 1 can be installed at a place with a low position; as shown in fig. 10, the lower pulling rope 6 is wound by the rope winder, the upper pulling rope 6 is released by the rope winder, the first plate directional antenna 3 and the second plate directional antenna 5 radiate downwards in an inclined manner under the action of the elastic hinge 4, and the installation cylinder 1 can be installed at a higher position; as shown in fig. 11, the upper and lower pulling ropes 6 are both wound by the rope winder, so that the upper and lower second plate directional antennas 5 radiate obliquely upward or obliquely downward respectively; it is of course also possible to radiate the first planar directional antenna 3 and the second planar directional antenna 5 both obliquely upwards; the radiation direction of the antenna assembly is flexible and changeable, the antenna assembly is suitable for radiation requirements of different installation heights, and the antenna assembly has wider applicability.
In this embodiment, as shown in fig. 4, the elastic hinge 4 includes a hinge 401 connected between the first board directional antenna 3 and the second board directional antenna 5, and a torsion spring 402 installed on a hinge shaft of the hinge 401, two torsion arms of the torsion spring 402 respectively abut against two leaf plates of the hinge 401, the two leaf plates are installed on the first board directional antenna 3 and the second board directional antenna 5 by screws, and under an elastic force of the torsion spring 402, the two leaf plates of the hinge 401 have a pushing force on both the first board directional antenna 3 and the second board directional antenna 5.
Preferably, as shown in fig. 9, end plates 403 are fixed to opposite end faces of the first directional planar antenna 3 and the second directional planar antenna 5, the two end faces are respectively welded to two leaf plates of the hinge 401, opposite side faces of the two end plates 403 are respectively integrally connected with a protruding block, when the protruding blocks abut against the opposite end plates 403, the two end plates 403 are parallel, and the first directional planar antenna 3 and the second directional planar antenna 5 are kept parallel; the phenomenon that the first directional flat plate antenna 3 and the second directional flat plate antenna 5 are not parallel and not attractive enough due to transitional rotation under the action of the hinge 402 is avoided, the radiation angle of the first directional flat plate antenna 3 and the second directional flat plate antenna 5 is influenced, and good installation uniformity is achieved; and is convenient for the installation and the limitation of the hinge 401.
In this embodiment, as shown in fig. 2, 5, and 6, the rope winder includes a first winding wheel 7, a second winding wheel 8, a first rotating shaft 9, and a second rotating shaft 10, bearing seats fixed on the inner wall of the installation cylinder 1 are connected to the first rotating shaft 9 and the second rotating shaft 10, bearings are installed in the bearing seats, a through hole is formed in the second rotating shaft 10, the lower end of the first rotating shaft 9 passes through the second rotating shaft 10 through the through hole and extends to the outside of the installation cylinder 1, the first winding wheel 7 is arranged at the upper end of the first rotating shaft 9, the second winding wheel 8 is arranged on the second rotating shaft 10, and the pulling ropes 6 on the upper and lower second flat plate directional antennas 5 are respectively wound on the first winding wheel 7 and the second winding wheel 8; positive and negative first axis of rotation 9, the second axis of rotation 10 of respectively, just can drive first reel 7, the rolling of second reel 8 or release haulage rope 6 respectively, but first axis of rotation 9 and second axis of rotation 10 sharing some bearing framves to second axis of rotation 10 and the coaxial line setting of first axis of rotation 9 have saved the space in the installation barrel 1, have simplified the structure of serving up the rope ware.
Meanwhile, as shown in fig. 2 and 7, the middle part of the first rotating shaft 9 and the upper end of the second rotating shaft 10 are both provided with a locking mechanism 11, and the locking mechanism 11 includes a locking slot 111, a locking rod 112 and a first spring 113; the clamping grooves 111 are formed along the outer surface of the first rotating shaft 9 and the outer surface of the second rotating shaft 10 and are uniformly distributed along the circumference of the axis of the second rotating shaft, a hole for the clamping rod 112 to pass through is formed in the outer wall of the mounting cylinder body 1, the hole is communicated with the straight hole 114, a clamping plate 115 is arranged at one end, penetrating out of the mounting cylinder body 1, of the clamping rod 112, a mounting opening is formed in the end portion of the clamping rod 112, the clamping plate 115 is fixed in the mounting opening in an interference mode or a screw mode, the first spring 113 is sleeved at one end, penetrating into the mounting cylinder body 1, of the clamping rod 112 and is a stepped rod, the first spring 113 provides thrust force penetrating into the mounting cylinder body 1 for the clamping rod 112, and a clamping block capable of sinking into the clamping grooves 111 is arranged at one end, penetrating into the mounting cylinder body 1, of the clamping rod 112; when the first rotating shaft 9 or the second rotating shaft 10 needs to be rotated, the clamping plate 115 is pulled to enable the clamping rod 112 to be separated from the clamping groove 111 by overcoming the elastic force of the first spring 113, then the clamping plate 115 and the clamping rod 112 are rotated, the clamping plate 115 is clamped at the linear hole 114 and cannot enter the linear hole 114, and at the moment, the first rotating shaft 9 and the second rotating shaft 10 can be freely rotated; when the first rotating shaft 9 and the second rotating shaft 10 do not need to rotate, the clamping plate 115 is sunk into the straight hole 114, the clamping block at the end of the clamping rod 112 is clamped into the clamping groove 111 under the action of the first spring 113, the first rotating shaft 9 or the second rotating shaft 10 is clamped, the free release of the traction rope 6 is avoided, and the clamping mechanism 11 is simple in structure and convenient to operate and use.
In this embodiment, as shown in fig. 3, the rope winder is matched with a driving device, the driving device includes a driven gear 12, a housing 13, an internal transmission gear 14 capable of meshing with the driven gear 12, an external transmission gear 15, a connecting ring 16 connected between the internal transmission gear 14 and the external transmission gear 15, and a driving gear 17 capable of meshing with the external transmission gear 15, the driven gear 12 is connected to the lower ends of the first rotating shaft 9 and the second rotating shaft 10, the driving gear 17 is rotatably connected to the outer wall of the housing 13 through a rotating shaft, the internal transmission gear 14 is rotatably connected in the housing 13, and a handle is arranged on the side surface of the driving gear 17; when first axis of rotation 9 and second axis of rotation 10 need be rotated, establish driven gear 12 with 14 covers of transmission internal gear among the drive arrangement on, and use the handle to rotate driving gear 17, at transmission external gear 15, go-between 16, transmission internal gear 14's transmission is down, just can drive driven gear 12 and rotate, and then rotate second axis of rotation 10 and first axis of rotation 9, avoid the manual first axis of rotation 9 of workman and second axis of rotation 10 of avoiding, high durability and convenient use, the labor force is reduced, and convenient to carry, can use on each antenna module, the rolling and the release efficiency of haulage rope 6 have been improved.
In this embodiment, the lower end surfaces of the internal transmission gears 14 are all abutted with thrust ball bearings installed in the housing 13; the rotation of the internal gear 14 is transmitted conveniently, and the rotation friction force is reduced.
In this embodiment, the upper end of the housing 13 is provided with stop rods 18 which are uniformly distributed along the circumference of the axis of the internal transmission gear 14 and extend in the radial direction of the internal transmission gear 14, a stepped through hole 19 is formed in the side wall of the upper end of the housing 13, a guide rod 20 is arranged at one end of each stop rod 18, which is far away from the internal transmission gear 14, the guide rod 20 penetrates through the stepped through hole 19, part of each stop rod 18 is sunk into the stepped through hole 19, a second spring 21 is arranged in the stepped through hole 19, the second spring 21 abuts against the stop rod 18 and the stepped through hole 19, one end of each guide rod 20, which penetrates through the stepped through hole 19, is connected with a stop block 22, and one end of each stop rod 18, which is close to the internal transmission gear 14, is bent and can abut against the end surface of the driven gear 12; when the driving device is sleeved on the driven gear 12, the driven gear 12 presses the end of the stop rod 18 and pushes the stop rod 112 into the stepped through hole 19 against the elastic force of the second spring 21, after the driven gear 12 passes through the stop rod 112, the second spring 21 pushes the stop rod 112 back, and the end of the stop rod 112 is stopped on the upper end face of the driven gear 12, at this time, a worker holds the housing 13 with one hand and rotates the driving gear 17 with one hand to drive the driven gear 12 to rotate. When the clamping rod 112 is clamped on the end face of the driven gear 12, the driven gear 12 is proved to be meshed with the internal transmission gear 14 in place, judgment is not needed, and the use is convenient; furthermore, the driven gear 12 is prevented from being separated from the internal transmission gear 14 during rotation, and the use reliability is improved. When the driven gear 12 is disengaged, the stopper 22 pulls the locking rod 112 to make a space for the driven gear 12 to pass through.
In this embodiment, the bending position of the stop lever 18 and the end abutting against the driven gear 12 are provided with smooth rounded corners; the driven gear 12 can be easily inserted, and the rotation of the driven gear 12 can be easily performed when the latch lever 112 is in contact with the driven gear 12.
In this embodiment, as shown in fig. 2 and 8, the adjusting support rod 2 includes an adjusting cylinder 201 vertically fixed on the side wall of the mounting cylinder 1, a side surface of the adjusting cylinder 201 is provided with a strip-shaped opening 202 symmetrical with respect to the axis thereof, a sliding rod 203 is provided in the adjusting cylinder 201 in a penetrating manner, one end of the sliding rod 203 extending into the adjusting cylinder 201 is provided with a limiting block 204 sliding in the strip-shaped opening 202, an opening of the adjusting cylinder 201 is provided with an end cover connected by a threaded structure, an outer wall of the adjusting cylinder 201 is provided with an external thread and is matched with adjusting nuts 205 located at two sides of the limiting block 204; the adjusting nut 205 is screwed on the adjusting cylinder 201, and the position of the limiting block 204 in the elongated notch 202 is adjusted, so that the length of the sliding rod 203 extending out of the adjusting cylinder 201 is adjusted, the installation distance between the first planar directional antenna 3 and the installation cylinder 1 can be finally adjusted, the adjustment can be freely performed according to the placement space of the first planar directional antenna 3 and the second planar directional antenna 5, and the use is more flexible.
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 large broadband micro distribution system comprises a power divider, a first bidirectional amplifying circuit and a plurality of second bidirectional amplifying circuits which are connected with the power divider, and a power supply which is connected with the power divider, wherein the first bidirectional amplifying circuit and the plurality of second bidirectional amplifying circuits are connected with antenna components, and the large broadband micro distribution system is characterized in that: the antenna module is including the installation barrel, the lateral surface middle part of installation barrel is fixed with a plurality of adjusting support rods along installation barrel axis circumference equipartition, every adjusting support rod deviates from the one end rotation of installation barrel and is connected with first flat directional antenna, and first flat directional antenna's upper and lower both ends all are connected with second flat directional antenna through elasticity hinge, elasticity hinge sets up in first flat directional antenna towards the side of installation barrel and provide thrust and use first flat directional antenna and second flat directional antenna, from top to bottom the one end that second flat directional antenna deviates from first flat directional antenna all is connected with the haulage rope, the haulage rope extends to in the installation barrel, be provided with in the installation barrel and supply haulage rope winding rope reel.
2. The very broadband microdistribution system of claim 1, wherein: the elastic hinge comprises a hinge connected between the first flat directional antenna and the second flat directional antenna and a torsional spring arranged on an articulated shaft of the hinge, and two torsion arms of the torsional spring respectively abut against two hinge plates of the hinge.
3. The very broadband microdistribution system of claim 2, wherein: the end faces, opposite to the first flat directional antenna and the second flat directional antenna, are respectively fixed with an end plate, the two end faces are respectively connected to the two leaf plates of the hinge, the opposite side faces of the two end plates are respectively and integrally connected with a protruding block, and when the protruding blocks mutually abut against the opposite end plates, the two end plates are parallel to each other and keep the first flat directional antenna and the second flat directional antenna parallel to each other.
4. The very broadband microdistribution system of claim 1, wherein: the rope winder comprises a first winding wheel, a second winding wheel, a first rotating shaft and a second rotating shaft, a bearing seat fixed on the inner wall of the installation barrel is connected to the first rotating shaft and the second rotating shaft, a through hole is formed in the second rotating shaft, the lower end of the first rotating shaft penetrates through the second rotating shaft through the through hole and extends to the outside of the installation barrel, the first winding wheel is arranged at the upper end of the first rotating shaft, the second winding wheel is arranged on the second rotating shaft, and the upper portion and the lower portion of the traction rope on the second flat plate directional antenna are wound on the first winding wheel and the second winding wheel respectively.
5. The very broadband microdistribution system of claim 4, wherein: the middle part of the first rotating shaft and the upper end of the second rotating shaft are both provided with a clamping and stopping mechanism.
6. The very broadband microdistribution system of claim 4, wherein: the cooperation of ropewinder has drive arrangement, drive arrangement includes driven gear, casing that the lower extreme of first axis of rotation and second axis of rotation all is connected, can mesh transmission internal gear, transmission external gear with driven gear, connect go-between transmission internal gear and transmission external gear, can with the driving gear that the transmission external gear meshed, the driving gear rotates to be connected on the outer wall of casing, transmission internal gear rotates to be connected in the casing, be provided with the handle on the side of driving gear.
7. The very broadband microdistribution system of claim 6, wherein: the lower end face of the transmission internal gear is abutted with a thrust ball bearing arranged in the shell.
8. The very broadband microdistribution system of claim 6, wherein: the gear transmission device is characterized in that stop rods which are uniformly distributed along the circumference of the axis of the transmission internal gear and extend along the radial direction of the transmission internal gear are arranged at the upper end of the shell, stepped through holes are formed in the side wall of the upper end of the shell, a guide rod is arranged at one end, deviating from the transmission internal gear, of each stop rod, the guide rod penetrates through the stepped through holes, part of each stop rod is sunk into the corresponding stepped through hole, a second spring is arranged in each stepped through hole, the second springs are abutted to the corresponding stop rods and the corresponding stepped through holes, one end, penetrating out of the stepped through holes, of each guide rod is connected with a stop block, and one end, close to the transmission internal gear, of each stop rod is bent and can abut against the end face of the driven gear.
9. The very broadband microdistribution system of claim 8, wherein: the bending part of the stop rod and the end abutting against the driven gear are provided with smooth fillets.
10. The very broadband microdistribution system of claim 1, wherein: the adjusting support rod comprises an adjusting barrel which is vertically fixed on the side wall of the mounting barrel body, the side face of the adjusting barrel is provided with a long-strip-shaped opening which is symmetrical about the axis of the adjusting barrel, a sliding rod is arranged in the adjusting barrel in a penetrating mode, one end of the sliding rod extending into the adjusting barrel is provided with a limiting block which slides in the long-strip-shaped opening, the opening of the adjusting barrel is provided with an end cover, and an external thread and an adjusting nut which is located on two sides of the limiting block are arranged on the outer wall of the adjusting barrel in a matching mode.
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| CN202210930015.2A CN115296001B (en) | 2022-08-03 | 2022-08-03 | Large broadband micro distribution system |
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| CN202210930015.2A CN115296001B (en) | 2022-08-03 | 2022-08-03 | Large broadband micro distribution system |
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| Publication number | Publication date |
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| CN115296001B (en) | 2023-03-10 |
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