CN108808206A - A kind of electronic communication antenna holder - Google Patents

A kind of electronic communication antenna holder Download PDF

Info

Publication number
CN108808206A
CN108808206A CN201810571526.3A CN201810571526A CN108808206A CN 108808206 A CN108808206 A CN 108808206A CN 201810571526 A CN201810571526 A CN 201810571526A CN 108808206 A CN108808206 A CN 108808206A
Authority
CN
China
Prior art keywords
plate
arc shrouds
electronic communication
internal thread
communication antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810571526.3A
Other languages
Chinese (zh)
Other versions
CN108808206B (en
Inventor
贾洁
刘伟
赵春雨
郑晶晶
肜瑶
陈曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huanghe Science and Technology College
Original Assignee
Huanghe Science and Technology College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huanghe Science and Technology College filed Critical Huanghe Science and Technology College
Priority to CN201810571526.3A priority Critical patent/CN108808206B/en
Publication of CN108808206A publication Critical patent/CN108808206A/en
Application granted granted Critical
Publication of CN108808206B publication Critical patent/CN108808206B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/1235Collapsible supports; Means for erecting a rigid antenna
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526Electromagnetic shields

Abstract

The invention discloses a kind of electronic communication antenna holders, including mounting plate, gag lever post, first arc shrouds, second arc shrouds and ring spring, it is welded with groove seat above mounting plate, groove seat bottom end inner wall is equipped with motor, it is rotatably connected transmission shaft above motor, the upper end of the transmission shaft is fixedly connected with worm screw lower end, worm screw and internal thread plate screw-thread fit, the internal thread plate is welded with slide plate and connecting rod, the slide plate is located at the left end and right end of internal thread plate, groove seat is machined with the first sliding groove, left end and right end in groove seat is arranged in the first sliding groove, the first sliding groove internal surface gaps are combined with slide plate, the connecting rod is located above internal thread plate.The electronic communication antenna holder can facilitate the position height of adjustment antenna, can reduce signal interference, while the movement for doing arching trajectory of metal mesh using metal mesh, bring signal to stop when can avoid to Antenna Operation, the needs of more preferably to meet in practice.

Description

A kind of electronic communication antenna holder
Technical field
Inventive antenna field of stents, specially a kind of electronic communication antenna holder.
Background technology
Antenna is a kind of converter, it is transformed into the guided wave propagated on transmission line in unbounded medium(Typically freely Space)The electromagnetic wave of middle propagation, or carry out opposite transformation.It is used for emitting or receiving the portion of electromagnetic wave in wireless device Part.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is every to utilize electricity Magnetic wave transmits information, depends on antenna to work.In addition, in terms of transmitting energy with electromagnetic wave, the energy of non-signal Amount radiation is also required to antenna.General antenna all has invertibity, i.e., both can be used as transmitting antenna with common antenna, it is also possible to connect Receive antenna.The same antenna is identical as transmitting or the fundamental characteristics parameter received.Here it is the reciprocal theorems of antenna.In day When line works, it is sometimes desirable to change operating position height, while can also be interfered by some other signals, current electronics is logical Believe antenna holder, there is also development spaces, the kind of drive can also improve in terms of adjusting antenna height, can not handle well The interference of other signals, makes Antenna Operation be affected, because in view of the above-mentioned problems, needing in existing adjustment antenna height side It is improved in terms of face and absorption interference signal.
Invention content
The purpose of the present invention is to provide a kind of electronic communication antenna holders, to solve electricity mentioned above in the background art Sub- communication antenna bracket, there is also development spaces, the kind of drive can also improve in terms of adjusting antenna height, can not be well The interference for handling other signals, the problem of making Antenna Operation be affected.
To achieve the above object, the present invention provides the following technical solutions:A kind of electronic communication antenna holder, including installation Plate, gag lever post, the first arc shrouds, the second arc shrouds and ring spring, the mounting plate top is welded with groove seat, described Groove seat bottom end inner wall is equipped with motor, and transmission shaft, the upper end of the transmission shaft and snail have been rotatably connected above the motor Bar lower end is fixedly connected, and the worm screw and internal thread plate screw-thread fit, the internal thread plate are welded with slide plate and connecting rod, the cunning Plate is located at the left end and right end of internal thread plate, and the groove seat is machined with the first sliding groove, and the first sliding groove is arranged in groove seat Left end and right end, the first sliding groove internal surface gaps are combined with slide plate, and the connecting rod is located at the top of internal thread plate, described Gag lever post, the gag lever post and fixed plate clearance fit are installed above worm screw, transverse slat is bonded with above the connecting rod, it is described solid Fixed board and connecting rod clearance fit, are equipped with antenna, support plate and connecting plate above the transverse slat, the upper end of the support plate and the One arc shrouds are welded, and the antenna is located at support plate inside, and the support plate is located at the lower section of the first arc shrouds, and described the One arc shrouds are equipped with slice of cylinder, and the slice of cylinder is located at the left end and right end of the first arc shrouds, first arc sleeve Inside pipe wall clearance fit has ring spring, and the second arc shrouds, second arc shrouds are equipped on the inside of the ring spring It is fixedly connected with slice of cylinder, is provided with sliding block on the inside of second arc shrouds, passes through connection between the sliding block and metal mesh Piece is fixedly connected, and the connection sheet is welded with ring spring, and the sliding block is Nian Jie with drawstring, and the drawstring is wrapped in reel On, the connecting plate upper end is equipped with baffle, servo motor and retarder, and deceleration has been rotatably connected on the left of the servo motor The baffle in device, the retarder and left side is rotatably connected, and the baffle is located at the right side of reel, the baffle and reel It is rotatably connected.
Preferably, the groove seat is machined with second sliding slot, and the second sliding slot is located at the left end and right end of groove seat.
Preferably, the sled surface is provided with square block, and the square block is located at the one end of slide plate far from internal thread plate.
Preferably, the square block is located at second sliding slot inner surface, the square block and second sliding slot clearance fit.
Preferably, there are two sleeve, the sleeve interior surface and connecting rod smooth contacts for bonding above the fixed plate.
Preferably, the motor upper surface is equipped with axle sleeve, the lower gap cooperation of the axle sleeve and transmission shaft.
Preferably, the gag lever post is multi-diameter shaft, and the motor is three phase alternating current motor.
Compared with prior art, the beneficial effects of the invention are as follows:
(1), the present invention internal thread plate, motor drive worm screw rotation, under the limitation of gag lever post, make worm screw support internal thread plate It moves up and down, using the restriction effect of slide plate and connecting rod, internal thread plate is made more to be smoothly moved, transported up and down with band motion plate It is dynamic, while the position height of antenna being made to be changed;
(2), the present invention metal mesh, the signal interference from some direction can be eliminated, Antenna Operation is made to keep signal more steady It is fixed;
(3), the present invention reel, electric operation is connect by control servomotor, using the transmission effect of retarder and baffle, is made Torque is transmitted on reel, and reel rotates the winding that can carry out drawstring;
(4), the present invention ring spring, left end is fixedly connected with a slide block, and right end is fixed on the cylinder of the first arc shrouds right end On piece, when reel wind drawstring when, drawstring pull slide block movement, so that ring spring is stretched, at the same sliding block drive connection sheet and Metal mesh carries out arcuate movement, the position of metal mesh can be changed, when reel unclasps drawstring, due to the elastic energy of ring spring Amount, makes slide block movement to initial position, while metal mesh being driven to reset.
Description of the drawings
Fig. 1 is overall structure of the present invention;
Fig. 2 is internal thread plate of the present invention and slide plate concrete structure schematic diagram;
Fig. 3 is that connecting plate of the present invention amplifies concrete structure schematic diagram;
Fig. 4 is the first arc sleeve schematic cross-sectional view of the invention;
Fig. 5 is fixed plate dimensional structure diagram of the present invention.
In figure:1, mounting plate, 2, groove seat, 21, the first sliding groove, 22, second sliding slot, 3, motor, 31, axle sleeve, 32, transmission Axis, 4, worm screw, 41, gag lever post, 5, internal thread plate, 51, slide plate, 6, connecting rod, 7, transverse slat, 8, connecting plate, 81, reel, 82, draw Rope, 83, baffle, 84, retarder, 85, servo motor, the 9, first arc shrouds, 91, slice of cylinder, 92, ring spring, 93, second Arc shrouds, 94, sliding block, 95, connection sheet, 10, support plate, 11, antenna, 12, metal mesh, 13, fixed plate, 14, sleeve.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of electronic communication antenna holder, including mounting plate 1, Gag lever post 41, the first arc shrouds 9, the second arc shrouds 93 and ring spring 92.
According to Fig. 1, Fig. 2 and Fig. 5,1 top of mounting plate is welded with groove seat 2, and 2 bottom end inner wall of groove seat is equipped with electricity Machine 3, motor 3 are three phase alternating current motor, and 3 top of motor has been rotatably connected transmission shaft 32, and 3 upper surface of motor is equipped with axle sleeve 31, the lower gap of axle sleeve 31 and transmission shaft 32 coordinates, and the upper end of transmission shaft 32 is fixedly connected with 4 lower end of worm screw, worm screw 4 with it is interior 5 screw-thread fit of thread plate, internal thread plate 5 are welded with slide plate 51 and connecting rod 6, and slide plate 51 is located at the left end and right end of internal thread plate 5, Groove seat 2 is machined with the first sliding groove 21, and left end and right end in groove seat 2 is arranged in the first sliding groove 21, and groove seat 2 is machined with second Sliding slot 22, second sliding slot 22 are located at the left end and right end of groove seat 2, and 21 internal surface gaps of the first sliding groove are combined with slide plate 51, sliding 51 surface of plate is provided with square block 52, and square block 52 is located at the one end of slide plate 51 far from internal thread plate 5, and square block 52 is located at second 22 inner surface of sliding slot, square block 52 and 22 clearance fit of second sliding slot, connecting rod 6 are located at the top of internal thread plate 5,4 top of worm screw Gag lever post 41, gag lever post 41 and 13 clearance fit of fixed plate are installed, gag lever post 41 is multi-diameter shaft, and 13 top of fixed plate is bonded with Two sleeves 14,14 inner surface of sleeve and 6 smooth contact of connecting rod, 6 top of connecting rod is bonded with transverse slat 7, between fixed plate 13 and connecting rod 6 Gap coordinates, and 7 top of transverse slat is equipped with antenna 11, support plate 10 and connecting plate 8, the upper end of support plate 10 and the first arc shrouds 9 Welding, antenna 11 are located at 10 inside of support plate, and support plate 10 is located at the lower section of the first arc shrouds 9, the installation of the first arc shrouds 9 There are slice of cylinder 91, slice of cylinder 91 to be located at the left end and right end of the first arc shrouds 9.
According to Fig.4,9 inner wall clearance fit of the first arc shrouds has ring spring 92,92 inside installation of ring spring There are the second arc shrouds 93, the second arc shrouds 93 to be fixedly connected with slice of cylinder 91,93 inside of the second arc shrouds is provided with cunning Block 94 is fixedly connected between sliding block 94 and metal mesh 12 by connection sheet 95, and connection sheet 95 is welded with ring spring 92, sliding block 94 It is Nian Jie with drawstring 82.
According to Fig.3, drawstring 82 is wrapped on reel 81, and 8 upper end of connecting plate is equipped with baffle 83, servo motor 85 With retarder 84,85 left side of servo motor has been rotatably connected retarder 84, the 83 rotatable company of baffle of retarder 84 and left side It connects, baffle 83 is located at the right side of reel 81, and baffle 83 is rotatably connected with reel 81.
Operation principle:Mounting plate 1 is coordinated into some installation parts, the position for needing to place antenna assembly is fixed on, to electricity Machine 3 connects electric operation, makes 41 rotary motion of worm screw 4 and gag lever post by transmission shaft 32, due to transmission shaft 32, worm screw 4 and gag lever post About 41 direction of motion is restricted, and internal thread plate 5 can be made to move up and down using screw-thread fit, in the limitation of slide plate 51 Under, it is more smoothly moved, while driving 6 displacement of connecting rod, the position of transverse slat 7 is made constantly to be changed, to make transverse slat 7 On 11 position of antenna constantly change, to be adjusted to the position of actual needs, metal mesh 12 can keep the suction to interference signal It receives, when needing to absorb the interference signal of different directions, electric work is connect to servo motor 85(It can external wireless control device), existing There is the servo motor 85 of technology that can carry out positive and negative rotation, herein just without repeating, torque is passed through retarder 84 by servo motor 85 Transmission with baffle 83 acts on, and so that reel 81 is rotated to wind drawstring 82, drawstring 82 understands band movable slider 94 from initial bit Movement is set, sliding block 94 moves under the limitation of the second arc shrouds 93, while the movement of connection sheet 95 is by 9 He of the first arc shrouds The limitation of second arc shrouds 93, the first arc shrouds 9 and the second arc shrouds 93 are four/three-arc shape, and sliding block 94 makes ring Shape spring 92 carries out drawstring movement, and the original shape of ring spring 92 is quadrant arc, while metal mesh 12 being driven to do Arc line shaped moves, and constantly to adjust the position of metal mesh 12, and preferably to protect antenna 11 to work, it is logical that here it is the electronics Believe that the application method of antenna holder, the content not being described in detail in this specification belong to well known to professional and technical personnel in the field The prior art.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc. With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection domain of invention.

Claims (7)

1. a kind of electronic communication antenna holder, including mounting plate(1), gag lever post(41), the first arc shrouds(9), the second arc Casing(93)And ring spring(92), it is characterised in that:The mounting plate(1)Top is welded with groove seat(2), the groove seat (2)Bottom end inner wall is equipped with motor(3), the motor(3)Top has been rotatably connected transmission shaft(32), the transmission shaft(32) Upper end and worm screw(4)Lower end is fixedly connected, the worm screw(4)With internal thread plate(5)Screw-thread fit, the internal thread plate(5) It is welded with slide plate(51)And connecting rod(6), the slide plate(51)Positioned at internal thread plate(5)Left end and right end, the groove seat(2) It is machined with the first sliding groove(21), the first sliding groove(21)It is arranged in groove seat(2)Left end and right end, the first sliding groove (21)Internal surface gaps are combined with slide plate(51), the connecting rod(6)Positioned at internal thread plate(5)Top, the worm screw(4)Top Gag lever post is installed(41), the gag lever post(41)With fixed plate(13)Clearance fit, the connecting rod(6)Top is bonded with transverse slat (7), the fixed plate(13)With connecting rod(6)Clearance fit, the transverse slat(7)Top is equipped with antenna(11), support plate(10) And connecting plate(8), the support plate(10)Upper end and the first arc shrouds(9)Welding, the antenna(11)Positioned at support plate (10)Inside, the support plate(10)Positioned at the first arc shrouds(9)Lower section, first arc shrouds(9)Circle is installed Column piece(91), the slice of cylinder(91)Positioned at the first arc shrouds(9)Left end and right end, first arc shrouds(9)It is interior Wall clearance fit has ring spring(92), the ring spring(92)Inside is equipped with the second arc shrouds(93), described second Arc shrouds(93)With slice of cylinder(91)It is fixedly connected, second arc shrouds(93)Inside is provided with sliding block(94), described Sliding block(94)With metal mesh(12)Between pass through connection sheet(95)It is fixedly connected, the connection sheet(95)With ring spring(92)Weldering It connects, the sliding block(94)With drawstring(82)Bonding, the drawstring(82)It is wrapped in reel(81)On, the connecting plate(8)On End is equipped with baffle(83), servo motor(85)And retarder(84), the servo motor(85)Left side, which has been rotatably connected, to be subtracted Fast device(84), the retarder(84)With the baffle in left side(83)It is rotatably connected, the baffle(83)Positioned at reel(81) Right side, the baffle(83)With reel(81)It is rotatably connected.
2. a kind of electronic communication antenna holder according to claim 1, it is characterised in that:The groove seat(2)It is machined with Second sliding slot(22), the second sliding slot(22)Positioned at groove seat(2)Left end and right end.
3. a kind of electronic communication antenna holder according to claim 1, it is characterised in that:The slide plate(51)Surface is arranged There is square block(52), the square block(52)Positioned at slide plate(51)Far from internal thread plate(5)One end.
4. a kind of electronic communication antenna holder according to claim 1,2 and 3, it is characterised in that:The square block(52) Positioned at second sliding slot(22)Inner surface, the square block(52)With second sliding slot(22)Clearance fit.
5. a kind of electronic communication antenna holder according to claim 1, it is characterised in that:The fixed plate(13)Top is viscous Sleeve there are two connecing(14), the sleeve(14)Inner surface and connecting rod(6)Smooth contact.
6. a kind of electronic communication antenna holder according to claim 1, it is characterised in that:The motor(3)Pacify upper surface Equipped with axle sleeve(31), the axle sleeve(31)With transmission shaft(32)Lower gap cooperation.
7. a kind of electronic communication antenna holder according to claim 1, it is characterised in that:The gag lever post(41)For ladder Axis, the motor(3)For three phase alternating current motor.
CN201810571526.3A 2018-06-06 2018-06-06 Electronic communication antenna support Active CN108808206B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810571526.3A CN108808206B (en) 2018-06-06 2018-06-06 Electronic communication antenna support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810571526.3A CN108808206B (en) 2018-06-06 2018-06-06 Electronic communication antenna support

Publications (2)

Publication Number Publication Date
CN108808206A true CN108808206A (en) 2018-11-13
CN108808206B CN108808206B (en) 2020-05-05

Family

ID=64088804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810571526.3A Active CN108808206B (en) 2018-06-06 2018-06-06 Electronic communication antenna support

Country Status (1)

Country Link
CN (1) CN108808206B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067923A (en) * 2019-05-17 2019-07-30 杭州欣亿广告有限公司 A kind of removable satellite base station

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926152A (en) * 1996-05-20 1999-07-20 Endress + Hauser Gmbh + Co. Parabolic antenna for measuring the level in containers
CN202519149U (en) * 2012-05-04 2012-11-07 山东耀华医疗器械科技有限公司 Lifting and steering mechanism of bottom-making platform of glass tube bottle-making machine
US20150069765A1 (en) * 2004-03-05 2015-03-12 Triteq Lock And Security, L.L.C. Vending Machine Lock with Motor Controlled Slide-Bar and Hook Mechanism and Electronic Access
CN205785468U (en) * 2016-07-19 2016-12-07 武汉东湖学院 A kind of energy-saving gravity wireless senser
CN106711572A (en) * 2016-11-07 2017-05-24 常州大学 Airborne SAR antenna tower type operation orbit
CN106968426A (en) * 2017-05-15 2017-07-21 惠安县长捷机械科技有限公司 A kind of stable lifting decoration platform of the mobile model of indoor decoration
CN107017465A (en) * 2017-04-16 2017-08-04 屈丽艳 It is a kind of can precision lift search signal DTV communication antenna
CN107462270A (en) * 2017-09-12 2017-12-12 牛翠芹 A kind of portable atmospheric monitoring equipment with wind-shielding function based on Internet of Things
CN207238060U (en) * 2017-09-09 2018-04-17 周丹 A kind of clinical laboratory's Multifunctional test tube conveying rack
CN207282691U (en) * 2017-09-19 2018-04-27 东莞市精益达电子科技有限公司 A kind of vehicle-mounted radio antenna pedestal
CN207348582U (en) * 2017-08-29 2018-05-11 胡媛媛 A kind of emergency electronic communication tower easy to set up

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926152A (en) * 1996-05-20 1999-07-20 Endress + Hauser Gmbh + Co. Parabolic antenna for measuring the level in containers
US20150069765A1 (en) * 2004-03-05 2015-03-12 Triteq Lock And Security, L.L.C. Vending Machine Lock with Motor Controlled Slide-Bar and Hook Mechanism and Electronic Access
CN202519149U (en) * 2012-05-04 2012-11-07 山东耀华医疗器械科技有限公司 Lifting and steering mechanism of bottom-making platform of glass tube bottle-making machine
CN205785468U (en) * 2016-07-19 2016-12-07 武汉东湖学院 A kind of energy-saving gravity wireless senser
CN106711572A (en) * 2016-11-07 2017-05-24 常州大学 Airborne SAR antenna tower type operation orbit
CN107017465A (en) * 2017-04-16 2017-08-04 屈丽艳 It is a kind of can precision lift search signal DTV communication antenna
CN106968426A (en) * 2017-05-15 2017-07-21 惠安县长捷机械科技有限公司 A kind of stable lifting decoration platform of the mobile model of indoor decoration
CN207348582U (en) * 2017-08-29 2018-05-11 胡媛媛 A kind of emergency electronic communication tower easy to set up
CN207238060U (en) * 2017-09-09 2018-04-17 周丹 A kind of clinical laboratory's Multifunctional test tube conveying rack
CN107462270A (en) * 2017-09-12 2017-12-12 牛翠芹 A kind of portable atmospheric monitoring equipment with wind-shielding function based on Internet of Things
CN207282691U (en) * 2017-09-19 2018-04-27 东莞市精益达电子科技有限公司 A kind of vehicle-mounted radio antenna pedestal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067923A (en) * 2019-05-17 2019-07-30 杭州欣亿广告有限公司 A kind of removable satellite base station

Also Published As

Publication number Publication date
CN108808206B (en) 2020-05-05

Similar Documents

Publication Publication Date Title
CN108808206A (en) A kind of electronic communication antenna holder
CN101733600B (en) Manual and automatic double-adjustment device
WO2016115295A1 (en) Two-way antenna mounting bracket and assembly with independently adjustable electromechanical antenna tilt and azimuthal steering for beam reshaping
EP3392967B1 (en) Antenna transmission device and antenna
CN108365342B (en) Two-dimensional electrically-controlled antenna adjusting device
US8890756B2 (en) Multi-point driving device for general purpose base station antenna
CN101057368A (en) Antenna control system
WO2012149779A1 (en) Downtilt angle adjustment apparatus for electrically down tilt antenna
CN203300801U (en) Electric antenna adjusting device
CN205064734U (en) Circumference moving mechanism
CN102496769A (en) Transmission device for two-dimensional electrically controlled antenna
CN102940946A (en) Servo control fire-fighting monitor
CN103078186A (en) Corner reflection unit and control method
CN103490561A (en) Linear electromechanical actuator
CN107968263A (en) A kind of antenna for automatically adjusting angle
CN201966321U (en) Adjusting mechanism for electric tuning antenna
CN200953379Y (en) Electric regulating antenna controller
KR101746556B1 (en) The blade angle control apparatus
CN203522600U (en) Adjustable reactor driving device
CN206754308U (en) A kind of composite-motion mechanism
KR100926988B1 (en) Arc welding weaving device
CN202920873U (en) Servo-control fire monitor
CN210744171U (en) Carbon fiber antenna azimuth fine-tuning
CN202733791U (en) Stage lamp light beam forming cutting system and stage lamp
CN209266555U (en) It is a kind of convenient for fixed communication engineering antenna holder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant