WO2019056934A1 - 联动锁止机构及天线下倾角控制装置 - Google Patents

联动锁止机构及天线下倾角控制装置 Download PDF

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Publication number
WO2019056934A1
WO2019056934A1 PCT/CN2018/103005 CN2018103005W WO2019056934A1 WO 2019056934 A1 WO2019056934 A1 WO 2019056934A1 CN 2018103005 W CN2018103005 W CN 2018103005W WO 2019056934 A1 WO2019056934 A1 WO 2019056934A1
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WO
WIPO (PCT)
Prior art keywords
gear
output
mounting
driven gear
locking mechanism
Prior art date
Application number
PCT/CN2018/103005
Other languages
English (en)
French (fr)
Inventor
黄潮生
马泽峰
薛锋章
游建军
段红彬
刘培涛
Original Assignee
京信通信技术(广州)有限公司
京信通信系统（中国）有限公司
京信通信系统（广州）有限公司
天津京信通信系统有限公司
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 京信通信技术(广州)有限公司, 京信通信系统（中国）有限公司, 京信通信系统（广州）有限公司, 天津京信通信系统有限公司 filed Critical 京信通信技术(广州)有限公司
Priority to EP18858737.2A priority Critical patent/EP3686994B1/en
Priority to US16/649,421 priority patent/US11056782B2/en
Priority to BR112020005679-0A priority patent/BR112020005679A2/pt
Publication of WO2019056934A1 publication Critical patent/WO2019056934A1/zh

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F16H3/60—Gearings for reversal only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/70—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • 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
    • H01Q1/125—Means for positioning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H2035/005—Gearings or mechanisms preventing back-driving
    • 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

Definitions

  • the present invention relates to the field of mobile communication devices, and in particular, to a linkage locking mechanism and an antenna downtilt control device.
  • the network capacity requirements of stations in mobile cellular networks are increasing, and at the same time, interference between different stations or even between different sectors of the same site is required to be minimized, that is, the network is implemented. Maximize capacity and minimize interference. To achieve this, it is usually implemented by means of the antenna beam downtilt on the drive station.
  • a linkage locking mechanism includes: a mounting bracket, the mounting bracket is provided with at least two mounting positions, and the mounting position is provided with a mounting through hole and a card body disposed along an outer circumference of the mounting through hole, all of the The mounting through holes are all disposed along the same circumferential interval; the output assembly corresponding to the mounting position, the output assembly includes an output shaft and an output gear elastically resettable on the output shaft, the output gear One end is provided with a buckle body engaged with the card body, and a pressing body disposed through the mounting through hole, the buckle body is disposed outside the pressing body; and the rotating bracket rotates The bracket is rotatable relative to the mounting bracket, the rotating bracket is provided with a bearing surface that is pressed against the pressing body, and at least two arcuate bosses disposed on the bearing surface, all of the arcs The arcuate bosses are disposed at equal circumferential intervals, and the arcuate bosses include a guiding end, an anti-reverse end, and a matching body disposed between
  • the interlocking locking mechanism is applied to the antenna downtilt control device, and the output bracket rotation preventing structure formed by the curved boss of the rotating bracket and the pressing body is utilized, and the rotating bracket is made by using the planetary wheel structure and the one-way control mechanism.
  • the planet carrier can only rotate in one direction.
  • the arc-shaped boss and the pressing body of the output gear cooperate to realize the engagement and separation of the card body and the buckle body, so that the output gear can be self-locked or unlocked;
  • the rotating bracket is controlled to rotate to a corresponding position, so that the pressing body and the engaging body are pressed and cooperated, so that when the buckle body is separated from the card body, the output gear corresponding to the antenna is unlocked.
  • the output gear can be driven to rotate, thereby driving the rotation of the output shaft, and the power output is completed by the output shaft to complete the downtilt angle adjustment of the antenna; in the process, the remaining output gears are locked, and the at least The pressing body of one of the output gears is anti-reversely coupled with the anti-reverse end of one of the arc-shaped bosses, so that during the driving process, the other days are not affected.
  • the change in the downtilt angle of the line enables one-to-one driving, while also making the engagement of the output gear and the input gear more precise.
  • the interlocking locking mechanism adopts an integrated common stopping structure, and uses the positioning reference of the output gear and the anti-reverse end to improve the gear meshing precision, and can improve the control precision of the downtilt angle adjustment of two or more beam antennas.
  • the pressing body of the at least one of the output gears when the pressing body of the at least one of the output gears is anti-reversely engaged with the anti-reverse end of one of the arcuate bosses, only one of the output gears is left.
  • the pressing body is in press fit with the corresponding one of the mating bodies.
  • the buckle bodies of all the output gears are respectively engaged with the corresponding card bodies, and all of the output gears are locked.
  • the card body is provided with a first latching tooth that is annularly disposed, and the latch body is provided with a second latching tooth that engages with the first latching tooth.
  • the pressing body is provided with an arc-shaped pressing end
  • the fitting body is provided with a groove that cooperates with the curved pressing end
  • the output assembly further includes a return spring, one end of the return spring is press-fitted with the output shaft, and the other end is press-fitted with the other end of the output gear to make the output gear A movable reset connection is connected to the output shaft.
  • the first mounting plate further includes a mounting hole that is rotatably engaged with the output shaft, and the mounting frame is provided with at least two fixedly connected to the first mounting plate. Mounting posts, two adjacent mounting posts are spaced apart to form the mounting location.
  • the technical solution also provides an antenna downtilt control device, including the linkage locking mechanism described above, and further comprising:
  • the first transmission mechanism includes an inner ring gear, a first driving gear coaxial with the inner ring gear, and a first driven gear that is operatively coupled to the first driving gear, a driving gear can drive the first driven gear to rotate, the first driving gear and the first driven gear are disposed on an inner side of the rotating bracket, and the first end of the first driven gear is opposite
  • the inner ring gear is meshed, and the first driven gear rotates only, or rotates and revolves around the inner ring gear, and drives the rotating bracket to rotate, and the second end of the first driven gear is set
  • the output gear is rotated outside the inner ring gear and the inner side of the output gear; and the second transmission mechanism includes a coaxial transmission with the first driving gear and a fixed transmission a second driving gear connected, and a second driven gear operatively connected to the second driving gear, the second driving gear is capable of driving the second driven gear to rotate, and the second driven gear Direction of rotation and the first driven tooth
  • the rotation direction of the wheel is opposite, the second driven gear is disposed on
  • the output gear is fixedly connected to the transmission mechanism of the antenna waveguide through the output shaft, and the driving source (such as a servo motor) is used to drive the first driving gear and the second driving gear, and the first driving gear drives the first driving gear.
  • the driving source such as a servo motor
  • the second driving gear drives the second driven gear to rotate, and the rotation direction between the first driven gear and the second driven gear is opposite; when the first driving gear drives the first driven gear along the first
  • the inner ring gear cannot rotate in the opposite direction of the first rotation direction.
  • the inner ring gear is fixed, so that the first driven gear revolves, and at the same time, the rotating bracket is rotated in the first rotation direction.
  • the variation of the downtilt angle of other antennas enables one-to-one driving, and also makes the engagement of the output gear with the first driven gear or the second driven gear more precise.
  • the first driven gear and the second driven gear are rotated and revolved to reach the position to be adjusted, and then the first driven gear and the second driven gear are rotated only to realize the corresponding antenna. Drive down the angle.
  • the antenna downtilt control device can realize bidirectional adjustment of the downtilt angle of the antenna, and the positioning reference of the output gear to be moved by the interlocking locking mechanism, and the meshing with the first driven gear or the second driven gear Accurate, can improve the control accuracy of the antenna's downtilt angle adjustment.
  • the one-way control mechanism includes a one-way ratchet, the one-way ratchet is fixed on the first mounting plate, and is disposed on the outer side of the inner ring gear and the inner ring gear a coaxial rotary connection, the one-way control mechanism further includes a repositionable rotation limiting member, the limiting member is fixed on an outer wall of the inner ring gear, and is matched with the one-way ratchet limit
  • the inner ring gear can only rotate in one direction in the first direction of rotation.
  • the limiting members are at least two and are rotatably mounted on an outer side of the inner ring gear.
  • the rotating bracket is provided with a first cavity in which the first driving gear and the first driven gear are mounted, a second cavity in which the second driving gear and the second driven gear are mounted, and An annular wall forming an annular groove is disposed apart from the first cavity, the arcuate boss is disposed between the first cavity and the annular wall, and the second cavity and the first cavity
  • the body is in contact with the arcuate boss; further comprising a cover body, the cover body and the second cavity cooperate to form a receiving cavity of the second rotating component.
  • the cover body is provided with an outwardly convex annular body, the annular body is provided with a plurality of sensing portions, and further includes a second mounting plate, the second mounting plate and the first mounting plate The second mounting plate is disposed to protrude outwardly and is recessed to form an annular concave body that cooperates with the annular body, and the outer wall of the annular concave body is provided with induction and sensing of the sensing portion. element.
  • the first mounting plate is fixedly connected to the second mounting plate, the first mounting plate is recessed inwardly to form a first cavity, and the second mounting plate is recessed inwardly. a second cavity, the second cavity cooperating with the first cavity to form a shielding cavity.
  • FIG. 1 is a schematic exploded view of the structure of the interlocking locking mechanism according to the present invention.
  • FIG. 2 is a schematic view showing the installation of the mounting bracket and the output assembly according to the present invention
  • FIG. 3 is a schematic exploded view of the structure of the mounting bracket and the output assembly according to the present invention.
  • FIG. 4 is a schematic view showing the installation of the mounting bracket and the first mounting plate according to the present invention.
  • FIG. 5 is a schematic structural view of Embodiment 1 of a rotating bracket according to the present invention.
  • Figure 6 is a schematic structural view of a second embodiment of the rotating bracket according to the present invention.
  • Figure 7 is a schematic view showing the movement law "A to H" of the eight output gears and the two arcuate bosses according to the present invention.
  • Figure 8 is a schematic view showing the movement law "G to P" of the eight output gears and the two arcuate bosses according to the present invention.
  • Figure 9 is a schematic view showing the movement law "A to H" of eight output gears and eight curved bosses according to the present invention.
  • Figure 10 is a schematic view showing the movement law "G to P" of eight output gears and eight arcuate bosses according to the present invention
  • FIG. 11 is a schematic exploded view showing the structure of an antenna downtilt angle control device according to the present invention.
  • FIG. 12 is a schematic structural view of the antenna downtilt angle control device according to the present invention.
  • FIG. 13 is a first cross-sectional view showing the assembled antenna downtilt control device of the present invention.
  • Figure 14 is a cross-sectional view showing the second cross section of the antenna downtilt angle control device of the present invention.
  • 15 is a cross-sectional view showing a third cross section of the antenna downtilt angle control device of the present invention after assembly;
  • Figure 16 is a schematic view showing the cooperation of the annular body and the annular concave body according to the present invention.
  • Linkage locking mechanism 100, mounting bracket, 110, mounting position, 112, mounting through hole, 114, card body, 120, mounting post, 200, output component, 210, output shaft, 220, output gear, 221, Button body, 223, pressing body, 202, curved pressing end, 230, return spring, 300, rotating bracket, 310, bearing surface, 320, curved boss, 322, guiding end, 324, anti-reverse end , 326, mating body, 330, first cavity, 340, second cavity, 350, annular wall, 302, annular groove, 400, first mounting plate, 410, mounting hole, 420, first cavity, 500 , cover, 510, annular body, 512, sensing portion, 600, second mounting plate, 610, annular recess, 620, sensing element, 630, second cavity, 20, first transmission mechanism, 22, internal tooth Ring, 23, first drive gear, 24, first driven gear, 30, second transmission mechanism, 32, second drive gear, 34, second driven gear, 36, third driven gear, 40, single To the control mechanism
  • an element when referred to as being “fixed to” another element, it may be directly on the other element or may also have a centered element, and the manner of fixing the two may be fixed by a detachable connection, or It is a fixed connection that cannot be disassembled, such as socketing, snapping, integral molding, and welding.
  • a detachable connection When an element is considered to be “connected” to another element, it can be directly connected to the other element or.
  • the two components When one component is considered to be a "fixed drive connection", the two components may be fixed by a detachable connection or fixed by a non-detachable connection, such as socketing, snapping, integral molding, welding, and the like.
  • first direction of rotation can be defined as the clockwise direction of rotation (-) of the drive source, and the “reverse direction of the first direction of rotation” is the counterclockwise direction of rotation of the drive source (+)
  • first and second in the present invention do not represent a specific number and order, but are merely used for distinguishing names.
  • a linkage locking mechanism 10 includes: a mounting bracket 100, the mounting bracket 100 is provided with at least two mounting positions 110, and the mounting position 110 is provided with a mounting through hole 112 and A card body 114 disposed along the outer circumference of the mounting through hole 112, all the mounting through holes 112 are disposed along the same circumferential direction; an output assembly 200 corresponding to the mounting position 110, the output assembly 200 includes an output shaft 210 and is elastically resettable An output gear 220 is disposed on the output shaft 210. One end of the output gear 220 is provided with a buckle body 221 that engages with the card body 114, and a pressing body 223 that is disposed through the mounting through hole 112.
  • the buckle body 221 is disposed at the end.
  • the outer side of the pressing body 223; and the rotating bracket 300, the rotating bracket 300 is rotatable relative to the mounting bracket 100.
  • the rotating bracket 300 is provided with a pressure receiving surface 310 that is pressed against the pressing body 223, and at least two disposed on the pressure receiving surface 310.
  • Each of the arcuate bosses 320 is disposed along the same circumferential direction.
  • the arcuate boss 320 includes a guiding end 322, an anti-reverse end 324, and a matching between the guiding end 322 and the anti-reverse end 324.
  • the output gear 220 can drive the output shaft 210 to rotate; when the pressing body 223 of an output gear 220 is pressed against any of the mating bodies 326, the remaining output gears 220 are locked, and at least one output gear 220 is
  • the pressing body 223 is anti-reversely engaged with the anti-reverse end 324 of one of the arcuate bosses 320.
  • the interlocking locking mechanism 10 is applied to the antenna downtilt control device, and the rotation preventing structure formed by the curved boss 320 of the rotating bracket 300 and the pressing body 223 is utilized, and the planetary gear is simultaneously utilized.
  • the mechanism and the one-way control mechanism enable the rotating bracket 300 to be a planet carrier and can only rotate in one direction.
  • the arc-shaped boss 320 cooperates with the pressing body 223 of the output gear 220 to realize the card body 114 and the card body 221 Combining and separating, the output gear 220 can be self-locked or unlocked;
  • the rotating bracket 300 is controlled to rotate to a corresponding position, so that the pressing body 223 is pressed against the engaging body 326, and the button body 221 is separated from the card body 114 to complete the antenna.
  • the corresponding output gear 220 is unlocked, and the output gear 220 can be driven to rotate, thereby driving the output shaft 210 to rotate, and the power output is completed by the output shaft 210 to complete the downtilt angle adjustment of the antenna; in the process, the remaining output gear 220
  • the pressing body 223 of the locking gear and at least one of the output gears 220 is anti-reversely engaged with the anti-reverse end 324 of one of the arcuate bosses 320, so that during the driving process, the other output gears 220 are not affected, and one is realized.
  • the driving of the first one also makes the engagement of the output gear 220 with the input gears (such as the first driven gear 24 and the second driven gear 34) more precise.
  • the interlocking locking mechanism 10 adopts an integrated common structure, and uses the positioning reference of the output gear 220 and the anti-reverse end 324 to improve the gear meshing accuracy, and can improve the downtilt angle adjustment of two or more beam antennas. control precision.
  • the number of the arcuate bosses 320 and the adjacent pitches may be set according to the number of the output gears 220 and the adjacent pitches, as long as "the at least one output gear 220 of the pressing body 223 and one of the ones can be realized"
  • the anti-reverse end 324 of the curved boss 320 is anti-reversely engaged, in the remaining output gear 220, there is only one combination of the pressing body 223 of one output gear 220 and the fitting body 326 of the arc-shaped boss 320. All are within the scope of the claimed invention.
  • the buckle bodies 221 of all the output gears 220 are respectively engaged with the corresponding card bodies 114, all the output gears 220 are locked, and at least one output gear 220 is The pressing body 223 is resisted against the reverse pressure.
  • the rotating bracket 300 when the rotating bracket 300 is at the first preset position, the buckle bodies 221 of all the output gears 220 are respectively engaged with the corresponding card bodies 114, and all the output gears 220 are locked, and The rotating bracket 300 can not be reversely rotated; because the elastic reset function of the output gear 220 makes the rotating bracket 300 not easily rotate forward; thus, the output gear 220 is locked during normal use, and the antenna downtilt angle is prevented from being normal. In use, it changes due to collision or other factors; only when the adjustment is needed, and the output gear 220 corresponding to the adjusted antenna can be unlocked, further increasing the output gear 220 and the first driven gear 24 or the second driven gear 34 The meshing accuracy and the control accuracy of the output gear 220.
  • the specific cooperation form of the card body 114 and the button body 221 can be set as needed, as long as the output gear 220 can be moved upward to unlock and move downward to reset the lock, such as the cooperation of the cone and the keyhole.
  • the card body 114 is provided with a first latching tooth provided in a ring shape
  • the buckle body 221 is provided with a second latching tooth that is engaged with the first latching tooth.
  • the tooth shape of the first latch has a U-shaped structure
  • the tooth shape of the second latch has a triangular shape, which is convenient for automatic reset and engagement.
  • the pressing body 223 is provided with a curved pressing end 202
  • the fitting body 326 is provided with a groove (not shown) that cooperates with the curved pressing end 202, and passes through the curved pressing end.
  • the cooperation of the 202 with the groove makes the rotation of the output gear 220 smoother and reduces unnecessary losses.
  • the output assembly 200 further includes a return spring 230.
  • One end of the return spring 230 is pressed against the output shaft 210, and the other end is pressed against the other end of the output gear 220.
  • the output gear 220 and the output shaft 210 are movable and reset.
  • the output gear 220 is provided with a through hole that is slidably engaged with the output shaft 210 and a card slot that is opened on the inner wall of the through hole.
  • the output shaft 210 is provided with a convex body that is slidably engaged with the card slot.
  • first mounting plate 400 is further provided with a mounting hole 410 rotatably engaged with the output shaft 210
  • mounting bracket 100 is provided with at least two mounting posts 120 fixedly connected to the first mounting plate 400, Two adjacent mounting posts 120 are spaced apart to form a mounting position 110.
  • the first mounting plate 400 is coupled to the mounting frame 100 to achieve mounting and fixing of the output assembly 200, and the output assembly 200 and the mounting bracket 100 are fixed to the first mounting plate 400.
  • the overall structure is formed; the number of the mounting positions 110 can be set according to the arrangement of the output gears 220.
  • the present invention further provides an antenna downtilt control device, including the interlocking locking mechanism 10 described above, further comprising: a first transmission mechanism 20, the first transmission mechanism 20 including an inner ring gear
  • the driving gear 23 and the first driven gear 24 are disposed on the inner side of the rotating bracket 300.
  • the first end of the first driven gear 24 meshes with the inner ring gear 22, and the first driven gear 24 rotates only, or around the inner ring gear 22
  • the ring gear 22 rotates and revolves, and drives the rotating bracket 300 to rotate.
  • the second end of the first driven gear 24 is disposed outside the inner ring gear 22 and the inner side of the output gear 220, and can drive the output gear 220 to rotate; the second transmission
  • the second transmission mechanism 30 includes a second driving gear 32 coaxially coupled to the first driving gear 23 and fixedly coupled, and a second driven gear 34 operatively coupled to the second driving gear 32.
  • the second active mechanism The gear 32 can drive the second driven gear 34 to rotate, and
  • the second driven gear 34 is opposite to the rotating direction of the first driven gear 24, and the second driven gear 34 is disposed on the rotating bracket 300 and disposed outside the output gear 220.
  • the second driven gear 34 is disposed.
  • the output gear 220 can be driven to rotate; and the one-way control mechanism 40 is configured to control the inner ring gear to rotate only in the first rotation direction; wherein, when the inner ring gear 22 is fixed, the rotation
  • the bracket 300 is rotatable; when the ring gear 22 is rotatable, the rotating bracket 300 is fixed.
  • the output gear 220 is fixedly connected to the transmission mechanism of the antenna waveguide through the output shaft 210, and the first driving gear 23 and the second driving gear are driven by the driving source.
  • the first driving gear 23 drives the first driven gear 24 to rotate
  • the second driving gear 32 drives the second driven gear 34 to rotate
  • the rotation direction between the first driven gear 24 and the second driven gear 34 is opposite;
  • the first driving gear 23 rotates the first driven gear 24 in the opposite direction of the first rotating direction
  • the ring gear 22 since the ring gear 22 cannot rotate in the opposite direction of the first rotating direction, the ring gear 22 is fixed to make the first slave
  • the moving gear 24 revolves, and simultaneously drives the rotating bracket 300 to rotate in the first rotating direction; the rotating bracket 300 is rotated to a position corresponding to the adjustment, so that the pressing body 223 of the output gear 220 is pressed against the fitting body 326 to make the buckle body
  • the output gear 220 corresponding to the antenna is completed to be unlocked
  • the first driven gear 24 or the second driven gear 34 is meshed with the output gear 220; the rotation of the driving source is reversed.
  • the first driving gear 23 drives the first driven gear 24 to rotate in the first rotating direction
  • the second driving gear 32 drives the second driven gear 34 to rotate in the opposite direction of the first rotating direction.
  • the ring gear 22 is rotatable in the first rotation direction
  • the first driven gear 24 or the second driven gear 34 is axially meshed with the output gear 220, thereby driving the output gear 220 to rotate, thereby driving the rotation of the output shaft 210 and utilizing
  • the output shaft 210 completes the power output, and completes the downtilt angle adjustment of the antenna; in this process, the remaining output gears 220 are locked, and at least one of the output gears 220 of the pressing body 223 and one of the arcuate bosses 320 are protected.
  • the reverse end 324 anti-reverse fit enables the rotating bracket 300 to be fixed, so that during the driving process, the downtilt angle variation of other antennas is not affected, and one-to-one driving is realized, and the output gear 220 and the first driven gear 24 are also made. Or the engagement of the second driven gear 34 is more precise.
  • the first driven gear 24 and the second driven gear 34 are rotated and revolved to reach the position to be adjusted, and then the first driven gear 24 and the second driven gear 34 are only rotated, that is, The driving of the corresponding antenna downtilt angle can be realized.
  • the antenna downtilt control device can realize bidirectional adjustment of the downtilt angle of the antenna, and the positioning reference of the output gear 220 by the interlocking locking mechanism 10, the first driven gear 24 or the second driven
  • the meshing of the gear 34 is accurate, and the control precision of the downtilt angle adjustment of the antenna can be improved.
  • the specific embodiment of the one-way control mechanism 40 is a one-way clutch, a one-way bearing, a ratchet mechanism, and the like.
  • the one-way control mechanism 40 is a one-way bearing, the inner ring of the one-way bearing is fixed to the inner ring gear 22, and the outer ring is fixed on the first mounting plate 400, so that the one-way bearing can be used to realize the inner ring gear only along the The first rotation direction is unidirectionally rotated to realize the revolution or rotation of the first driven gear 24; the one-way bearing has a fast response speed, but the cost is higher; and the rotation stop precision is insufficient, and there is no positioning function and correction function, which is prone to occur. Go to a bit or overturn.
  • the one-way control mechanism 40 includes a one-way ratchet 42 that is fixed to the first mounting plate 400 and disposed on the outer side of the inner ring gear 22 and coaxially connected with the inner ring gear 22,
  • the control mechanism 40 further includes a position-retaining member 44 that can be reset and rotated.
  • the limiting member 44 is fixed to the outer wall of the ring gear 22, and the limiting member 44 is engaged with the one-way ratchet 42 to make the ring gear 22 only Rotating in the first direction of rotation in one direction, using the one-way ratchet 42 to control the direction of rotation of the ring gear, facilitating positioning of the output gear 220, and engaging the first driven gear 24 or the second driven gear 34 with the output gear 220 More precise, avoiding the phenomenon of jumping teeth during the transmission process, resulting in inaccurate regulation.
  • the limiting member 44 is at least two and rotatably mounted on the outer side of the inner ring gear 22, so that the fixing of the inner ring gear 22 is more secure and the overall structure is more compact.
  • the rotating bracket 300 is provided with a first cavity 330 for mounting the first driving gear 23 and the first driven gear 24,
  • the second cavity 340 of the second driving gear 32 and the second driven gear 34 is disposed, and the annular wall 350 is formed at an interval from the first cavity 330 to form an annular groove 302.
  • the curved protrusion 320 is disposed on the first cavity 330.
  • the cover body 500 further includes a cover 500. The cover 500 and the second cavity 340 cooperate to form a second cavity. Rotate the housing of the assembly.
  • the rotating bracket 300 is disposed as a carrier, and the first driving gear 23 and the first driven gear 24, the second driving gear 32, and the second driven gear 34 are mounted and coated with lubricating oil, and the mounting bracket 100 is further installed. It can be disposed in the annular groove 302 to make the overall structure more compact; at the same time, the cover 500 is used to complete the installation and fixation of the second rotating component.
  • one end of the second driven gear 34 meshes with the third driven gear 36 , and the other end can mesh with the output gear 220 ; the first driving gear 23 directly Engaging with the first driven gear 24, the second driving gear 32 drives the second driven gear 34 to rotate by the third driven gear 36, thereby achieving the opposite direction of rotation of the first driven gear 24 and the second driven gear 34.
  • the overall structure is more compact.
  • the cover body 500 is further provided with an outwardly protruding annular body 510.
  • the annular body 510 is provided with a plurality of sensing portions 512.
  • the second mounting plate 600 and the second mounting plate 600 are further included.
  • the second mounting plate 600 is provided with an outwardly convexly disposed recessed recess 610 that cooperates with the annular body 510.
  • the outer wall of the annular recessed body 610 is provided with an inductive and sensing portion. 512 sensing element 620.
  • the sensing component 620 can be used to sense the sensing portion 512 to identify the position of the first driven gear 24 or the second driven gear 34 to facilitate driving according to the positions of the first driven gear 24 and the second driven gear 34.
  • the sensing portion 512 can be a notch, a protrusion or a groove.
  • the sensing portion 512 includes at least two first sensing notches (not shown) that are evenly spaced in the circumferential direction and are disposed on the two. A second inductive gap (not shown) between adjacent first inductive notches.
  • the first inductive notch can be used to determine the position of the first driven gear 24 or the second driven gear 34, and the second inductive notch is used to calibrate the position of the first driven gear 24 or the fourth driven gear.
  • the first sensing gap is not equal to the second sensing gap, and the specific structure can be selected according to actual needs.
  • the sensing element 620 can be a photoelectric sensing sensor, a displacement sensor, or the like.
  • the first mounting plate 400 is fixedly connected to the second mounting plate 600.
  • the first mounting plate 400 is recessed inwardly to form a first cavity 420
  • the second mounting plate 600 is inward.
  • the recesses form a second cavity 630
  • the second cavity 630 cooperates with the first cavity 420 to form a shield cavity. Therefore, the first mounting plate 400 and the second mounting plate 600 form a protective cavity, and the interlocking locking mechanism 10, the first transmission mechanism 20 and the second transmission mechanism 30, and the one-way control mechanism 40 are disposed in the protection cavity, preferably The protection of the relevant parts, while making the overall structure compact and easy to carry.

Abstract

本发明公开了一种联动锁止机构及天线下倾角控制装置，该联动锁止机构，包括安装架，安装架设有安装位，安装位设有安装通孔及卡体；输出组件，输出组件包括输出轴及可弹性复位设置于输出轴上的输出齿轮，输出齿轮的一端设有与卡体相卡合的扣体、及穿过安装通孔设置的抵压体；及转动支架，转动支架设有与抵压体相抵压的承压面、及设置于承压面的弧形凸台，弧形凸台包括导向端、防逆端及配合体，当一个输出齿轮的抵压体与一个弧形凸台的配合体抵压配合时，其余输出齿轮被锁止、且至少有一个输出齿轮的抵压体与其中一个弧形凸台的防逆端防逆转配合。该联动锁止机构及天线下倾角控制装置，便于定位，能实现天线的下倾角度的精准控制。

Description

联动锁止机构及天线下倾角控制装置 技术领域
本发明涉及移动通信设备技术领域，特别是涉及一种联动锁止机构及天线下倾角控制装置。
背景技术
随着移动通信终端用户数量的不断增加，对移动蜂窝网络中站点的网络容量需求越来越大，同时要求不同站点之间甚至相同站点的不同扇区之间的干扰做到最小，即实现网络容量的最大化和干扰的最小化。要实现这一目的，通常采用驱动站上天线波束下倾角的方式来实现。
目前，驱动波束下倾角的方式分为：机械下倾和电子下倾，而电子下倾优势明显，是当前的主流和未来的发展趋势。传统的电子下倾角的传动装置的结构较复杂，同时定位功能不足，无法实现更加精准的调控。
发明内容
基于此，有必要提供一种联动锁止机构及天线下倾角控制装置，便于定位，能实现两个或两个以上的波束天线的下倾角度的独立精准控制。
其技术方案如下：
一种联动锁止机构，包括：安装架，所述安装架设有至少两个安装位，所述安装位设有安装通孔及沿所述安装通孔的外周向设置的卡体，所有所述安装通孔均沿同一周向间隔设置；与所述安装位一一对应的输出组件，所述输出组件包括输出轴及可弹性复位设置于所述输出轴上的输出齿轮，所述输出齿轮的一端设有与所述卡体相卡合的扣体、及穿过所述安装通孔设置的抵压体，所述扣体设置于所述抵压体的外侧；及转动支架，所述转动支架可相对于所述安装架转动，所述转动支架设有与所述抵压体相抵压的承压面、及设置于所述承压面的至少两个弧形凸台，所有所述弧形凸台沿均同一周向间隔设置，所述弧形凸台包括导向端、防逆端及设置于所述导向端与所述防逆端之间的配合体，只有当所述配合体与所述抵压体相抵、使所述扣体与所述卡体分离时，所述输出齿轮才可带动所述输出轴转动。
将上述联动锁止机构应用于天线下倾角控制装置中，利用转动支架的弧形凸台与抵压体构成的输出齿轮止转结构，同时利用行星轮结构及单向控制机构，使转动支架为行星架、且只可沿一个方向转动，同时利用弧形凸台与输出齿轮的抵压体配合实现卡体及扣体的卡合及 分离，使输出齿轮能够自锁或解锁；具体的，当需要驱动某一个输出齿轮转动时，控制转动支架转动至对应位置，使抵压体与配合体抵压配合，使所述扣体与所述卡体分离时，完成该天线对应的输出齿轮的解锁，此时可驱动输出齿轮转动，进而带动输出轴的转动，利用输出轴完成动力输出，完成该天线的下倾角角度调整；此过程中，其余所述输出齿轮被锁止、且所述至少有一个所述输出齿轮的抵压体与其中一个所述弧形凸台的防逆端防逆转配合，进而在驱动的过程中，不会影响其他天线的下倾角变化，实现一对一的驱动，同时也使输出齿轮与输入齿轮的啮合更加精准。该联动锁止机构采用集成化共止结构，利用输出齿轮和防逆端为止动的定位基准，提升齿轮啮合精度，能够提升两个或两个以上的波束天线的下倾角度调整的控制精度。
下面进一步对技术方案进行说明：
在其中一个实施例中，当至少一个所述输出齿轮的抵压体与其中一个所述弧形凸台的防逆端防逆转配合时，剩余所述输出齿轮中、只有一个所述输出齿轮的抵压体与对应的一个所述配合体抵压配合。
在其中一个实施例中，所述转动支架处于的第一预设位置时，所有所述输出齿轮的扣体分别与对应的卡体相卡合，所有所述输出齿轮均被锁止。
在其中一个实施例中，所述卡体设有环形设置的第一卡齿，所述扣体设有与所述第一卡齿相卡合的第二卡齿。
在其中一个实施例中，所述抵压体设有弧形抵压端，所述配合体设有与所述弧形抵压端相配合的凹槽。
在其中一个实施例中，所述输出组件还包括复位弹簧，所述复位弹簧的一端与所述输出轴抵压配合、另一端与所述输出齿轮的另一端抵压配合，使所述输出齿轮与所述输出轴可移动复位连接。
在其中一个实施例中，还包括第一安装板，所述第一安装板设有与所述输出轴转动配合的安装孔，所述安装架设有与所述第一安装板固定连接的至少两个安装支柱，相邻两个所述安装支柱间隔设置形成所述安装位。
本技术方案还提供了一种天线下倾角控制装置，包括上述述的联动锁止机构，还包括：
第一传动机构，所述第一传动机构包括内齿圈、与所述内齿圈同轴的第一主动齿轮、与所述第一主动齿轮形成作用连接的第一从动齿轮，所述第一主动齿轮能够带动所述第一从动齿轮转动，所述第一主动齿轮及所述第一从动齿轮安设于所述转动支架的内侧，所述第一从动齿轮的第一端与所述内齿圈相啮合，且所述第一从动齿轮只自转，或绕所述内齿圈自转及公转、并带动所述转动支架转动，所述第一从动齿轮的第二端设置于所述内齿圈外及所述输 出齿轮的内侧、并可带动所述输出齿轮进行自转；第二传动机构，所述第二传动机构包括与所述第一主动齿轮同轴、且固定传动连接的第二主动齿轮、及与所述第二主动齿轮形成作用连接的第二从动齿轮，所述第二主动齿轮能够带动所述第二从动齿轮转动、且所述第二从动齿轮的转动方向与所述第一从动齿轮的转动方向相反，所述第二从动齿轮安设于所述转动支架上、且设置于所述输出齿轮的外侧，所述第二从动齿轮可带动所述输出齿轮进行自转；及单向控制机构，所述单向控制机构，所述单向控制机构用于控制所述内齿圈只可沿第一旋转方向单向转动；其中，当所述内齿圈固定时，所述转动支架可转动；当所述内齿圈可转动时，所述转动支架固定。
该天线下倾角控制装置使用时，输出齿轮通过输出轴与天线波导的传动机构固定传动连接，利用驱动源(如伺服电机)来驱动第一主动齿轮和第二主动齿轮，第一主动齿轮带动第一从动齿轮自转、第二主动齿轮带动第二从动齿轮自转，第一从动齿轮与第二从动齿轮之间的自转方向相反；当第一主动齿轮带动第一从动齿轮沿第一旋转方向的反方向转动时，因内齿圈不能沿第一旋转方向的反方向旋转，此时内齿圈固定，使第一从动齿轮进行公转，同时带动转动支架沿第一旋转方向进行转动；转动支架转动至对应需要调节的位置，使输出齿轮的抵压体与配合体抵压配合，使所述扣体与所述卡体分离时，完成该天线对应的输出齿轮完成解锁，同时使第一从动齿轮或第二从动齿轮与该输出齿轮相啮合；反转驱动源的旋转方向，第一主动齿轮带动第一从动齿轮沿第一旋转方向进行自转，第二主动齿轮带动第二从动齿轮沿第一旋转方向的反方向进行自转，此时第一内齿圈可沿第一旋转方向旋转，因第一从动齿轮或第二从动齿轮与输出齿轮轴啮合，进而可驱动输出齿轮转动，进而带动输出轴的转动、并利用输出轴完成动力输出，完成该天线的下倾角角度调整；此过程中，其余所述输出齿轮被锁止、且所述至少有一个所述输出齿轮的抵压体与其中一个所述弧形凸台的防逆端防逆转配合，使转动支架固定，进而在驱动的过程中，不会影响其他天线的下倾角变化，实现一对一的驱动，同时也使输出齿轮与第一从动齿轮或第二从动齿轮的啮合更加精准。当下次调节时，再让第一从动齿轮及第二从动齿轮自转及公转，到达需调节位置后，再使第一从动齿轮及第二从动齿轮只进行自转，即可实现相应天线下倾角的驱动。该可天线下倾角控制装置能够实现对天线的下倾角的双向调节、且利用上述联动锁止机构，使输出齿轮为止动的定位基准、其与第一从动齿轮或第二从动齿轮的啮合精准，能够提升天线的下倾角度调整的控制精度。
下面进一步对技术方案进行说明：
在其中一个实施例中，所述单向控制机构包括单向棘轮，所述单向棘轮固设于第一安装板上，且设置于所述内齿圈的外侧、并与所述内齿圈同轴转动连接，所述单向控制机构还包 括可复位转动的限位件，所述限位件固设于所述内齿圈的外壁、且与所述单向棘轮限位配合，使所述内齿圈只能沿第一旋转方向单向转动。
在其中一个实施例中，所述限位件至少为两个、且可转动安设于所述内齿圈的外侧。
在其中一个实施例中，所述转动支架设有安装第一主动齿轮及第一从动齿轮的第一腔体、安装所述第二主动齿轮及第二从动齿轮的第二腔体、及与所述第一腔体间隔设置形成环形槽的环形壁，所述弧形凸台设置于所述第一腔体及所述环形壁之间，所述第二腔体与所述第一腔体相通、且与所述弧形凸台相对；还包括盖体，所盖体与所述第二腔体相配合形成所述第二转动组件的容纳腔。
在其中一个实施例中，所述盖体设有向外凸出的环形体，所述环形体设有多个感应部；还包括第二安装板，所述第二安装板与第一安装板相对设置，所述第二安装板设有向外凸出设置、并凹设形成与所述环形体相配合的环形凹体，所述环形凹体的外壁设有感应与所述感应部的感应元件。
在其中一个实施例中，所述第一安装板与所述第二安装板固定连接，所述第一安装板向内凹设形成第一空腔，所述第二安装板向内凹设形成第二空腔，所述第二空腔与所述第一空腔相配合形成防护腔。
附图说明
图1为本发明所述的联动锁止机构的结构爆炸示意图；
图2为本发明所述的安装架与输出组件的安装示意图；
图3为本发明所述的安装架与输出组件的结构爆炸示意图；
图4为本发明所述的安装架与第一安装板的安装示意图；
图5为本发明所述的转动支架的实施例一结构示意图；
图6为本发明所述的转动支架的实施例二结构示意图；
图7为本发明所述的八个输出齿轮和两个弧形凸台运动规律“A至H”示意图；
图8为本发明所述的八个输出齿轮和两个弧形凸台运动规律“G至P”示意图；
图9为本发明所述的八个输出齿轮和八个弧形凸台运动规律“A至H”示意图；
图10为本发明所述的八个输出齿轮和八个弧形凸台运动规律“G至P”示意图；
图11为本发明所述的天线下倾角控制装置的结构爆炸示意图；
图12为本发明所述的天线下倾角控制装置的组装后的结构示意图；
图13为本发明所述的天线下倾角控制装置的组装后的第一横截面剖视示意图；
图14为本发明所述的天线下倾角控制装置的组装后的第二横截面剖视示意图；
图15为本发明所述的天线下倾角控制装置的组装后的第三横截面剖视示意图；
图16为本发明所述的环形体与环形凹体的配合示意图。
附图标记说明：
10、联动锁止机构，100、安装架，110、安装位，112、安装通孔，114、卡体，120、安装支柱，200、输出组件，210、输出轴，220、输出齿轮，221、扣体，223、抵压体，202、弧形抵压端，230、复位弹簧，300、转动支架，310、承压面，320、弧形凸台，322、导向端，324、防逆端，326、配合体，330、第一腔体，340、第二腔体，350、环形壁，302、环形槽，400、第一安装板，410、安装孔，420、第一空腔，500、盖体，510、环形体，512、感应部，600、第二安装板，610、环形凹体，620、感应元件，630、第二空腔，20、第一传动机构，22、内齿圈，23、第一主动齿轮，24、第一从动齿轮，30、第二传动机构，32、第二主动齿轮，34、第二从动齿轮，36、第三从动齿轮，40、单向控制机构，42、旋转件，44、限位件。
具体实施方式
为使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施方式，对本发明进行进一步的详细说明。应当理解的是，此处所描述的具体实施方式仅用以解释本发明，并不限定本发明的保护范围。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件，同时二者的固定方式可以是可拆卸连接的固定，也可以是不可拆卸连接的固定，具体如套接、卡接、一体成型固定、焊接。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。当一个元件被认为是“固定传动连接”另一个元件，二者可以是可拆卸连接方式的固定，也可以不可拆卸连接的固定，具体如套接、卡接、一体成型固定、焊接等。当元件与另一个元件形成“形成作用连接”时，二者可以是相互啮合，或者通过其他传动齿轮组件来传递动力驱动另一个元件转动。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。“第一旋转方向”可定义为驱动源的顺时针的旋转方向(－)，“第一旋转方向的反方向”为驱动源的逆时针的旋转方向(+)
本发明中所述“第一”、“第二”不代表具体的数量及顺序，仅仅是用于名称的区分。
如图1至图4所示，本发明所述的一种联动锁止机构10，包括：安装架100，安装架100设有至少两个安装位110，安装位110设有安装通孔112及沿安装通孔112的外周向设置的卡体114，所有安装通孔112均沿同一周向间隔设置；与安装位110一一对应的输出组件200，输出组件200包括输出轴210及可弹性复位设置于输出轴210上的输出齿轮220，输出齿轮220的一端设有与卡体114相卡合的扣体221、及穿过安装通孔112设置的抵压体223，扣体221设置于抵压体223的外侧；及转动支架300，转动支架300可相对于安装架100转动，转动支架300设有与抵压体223相抵压的承压面310、及设置于承压面310的至少两个弧形凸台320，所有弧形凸台320沿均同一周向间隔设置，弧形凸台320包括导向端322、防逆端324及设置于导向端322与防逆端324之间的配合体326，只有当配合体326与抵压体223相抵、使扣体221与卡体114分离时，输出齿轮220才可带动输出轴210转动；当一个输出齿轮220的抵压体223与任意配合体326抵压配合时，其余输出齿轮220被锁止、且至少有一个输出齿轮220的抵压体223与其中一个弧形凸台320的防逆端324防逆转配合。
如图1至图10所示，将上述联动锁止机构10应用于天线下倾角控制装置中，利用转动支架300的弧形凸台320与抵压体223构成的止转结构，同时利用行星轮机构及单向控制机构，使转动支架300为行星架、且只可沿一个方向转动，同时利用弧形凸台320与输出齿轮220的抵压体223配合实现卡体114及扣体221的卡合及分离，使输出齿轮220能够自锁或解锁；
具体的，当需要驱动某一个输出齿轮220转动时，控制转动支架300转动至对应位置，使抵压体223与配合体326抵压配合，使扣体221与卡体114分离时，完成该天线对应的输出齿轮220的解锁，此时可驱动输出齿轮220转动，进而带动输出轴210的转动，利用输出轴210完成动力输出，完成该天线的下倾角角度调整；此过程中，其余输出齿轮220被锁止、且至少有一个输出齿轮220的抵压体223与其中一个弧形凸台320的防逆端324防逆转配合，进而在驱动的过程中，不会影响其他输出齿轮220，实现一对一的驱动，同时也使输出齿轮220与输入齿轮(如第一从动齿轮24、第二从动齿轮34)的啮合更加精准。该联动锁止机构10采用集成化共止结构，利用输出齿轮220和防逆端324为止动的定位基准，提升齿轮啮合精度，能够提升两个或两个以上的波束天线的下倾角度调整的控制精度。
需要进一步说明的是，弧形凸台320的数量及相邻间距可根据输出齿轮220的数量及相邻间距进行设置，只要能实现“当至少有一个输出齿轮220的抵压体223与其中一个弧形凸台320的防逆端324防逆转配合时，剩余输出齿轮220中，只有一个输出齿轮220的抵压体223与一个弧形凸台320的配合体326抵压配合”的任意组合，均属于本发明所要求保护的范围。
具体的，如图5、图7及图8所示，以八个输出齿轮220和两个弧形凸台320为一实施 例，“0”表示解除锁止(+)；“1”表示解除锁止(－)；“2”表示锁止；“3”表示防止逆转，齿轮状态详见如下表1。结论：每一个状态中都有只有一个解除了锁止的齿轮，其余输出齿轮220被锁止，且最少一个输出齿轮220被防止逆转。
如图6、图9及图10所示，以八个输出齿轮220和八个弧形凸台320为一实施例，“0”表示解除锁止、且逆时针的旋转方向(+)；“1”表示解除锁止、且顺时针的旋转方向(－)；“2”表示锁止；“3”表示防止逆转，齿轮状态详见如下表2。结论：每一个状态中都有只有一个解除了锁止的齿轮，其余输出齿轮220被锁止及被防止逆转。
进一步的，转动支架300处于的第一预设位置时，所有输出齿轮220的扣体221分别与对应的卡体114相卡合，所有输出齿轮220均被锁止，且至少有一个输出齿轮220的抵压体223被防逆转抵压。进而可通过增设防逆转结构，使转动支架300处于的第一预设位置时，所有输出齿轮220的扣体221分别与对应的卡体114相卡合，所有输出齿轮220均被锁止、且转动支架300不可发生逆转动；因为输出齿轮220的有弹性复位功能，使到转动支架300不会轻易发生正向转动；因而使输出齿轮220在平时使用过程中被锁死，避免天线下倾角正常使用时，因碰撞或其他因素发生变化；只有在需要调整时、且该被调整的天线对应的输出齿轮220才能解锁，进一步提高输出齿轮220与第一从动齿轮24或第二从动齿轮34的啮合精度及输出齿轮220的控制精度。
表1八个输出齿轮220和两个弧形凸台320运动规律分析表
Figure PCTCN2018103005-appb-000001
Figure PCTCN2018103005-appb-000002
另外，该卡体114与扣体221的具体配合形式可根据需要进行设置，只要能够实现输出齿轮220向上移动即可解锁、向下移动即可复位锁止，如锥体与锁孔的配合。如图2及图3所示，具体的，卡体114设有环形设置的第一卡齿，扣体221设有与第一卡齿相卡合的第二卡齿。该第一卡齿的齿形呈“U”字形结构、第二卡齿的齿形呈三角形结构，便于自动复位卡合固定。
表2八个输出齿轮220和两个弧形凸台320运动规律分析表
Figure PCTCN2018103005-appb-000003
在上述任一实施例中，抵压体223设有弧形抵压端202，配合体326设有与弧形抵压端202相配合的凹槽(未示出)，通过弧形抵压端202与凹槽的配合，使输出齿轮220的转动更 加平稳，减少不必要的损耗。
如图1至图3所示，在上述任一实施例中，输出组件200还包括复位弹簧230，复位弹簧230的一端与输出轴210抵压配合、另一端与输出齿轮220的另一端抵压配合，使输出齿轮220与输出轴210可移动复位连接。具体的，该输出齿轮220设有与输出轴210滑动配合的通孔及开设于通孔内壁的卡槽，输出轴210设有与卡槽滑动配合的凸体。进一步的，还包括第一安装板400，第一安装板400设有与输出轴210转动配合的安装孔410，安装架100设有与第一安装板400固定连接的至少两个安装支柱120，相邻两个安装支柱120间隔设置形成安装位110；进而利用第一安装板400与安装架100的配合实现输出组件200的安装固定，使输出组件200与安装架100固设第一安装板400上成一整体结构；该安装位110的多少可根据输出齿轮220的布置情况进行设置。
如图1及图11所示，本发明还提供了一种天线下倾角控制装置，包括上述述的联动锁止机构10，还包括：第一传动机构20，第一传动机构20包括内齿圈22、与内齿圈22同轴的第一主动齿轮23、与第一主动齿轮23形成作用连接的第一从动齿轮24，第一主动齿轮23能够带动第一从动齿轮24转动，第一主动齿轮23及第一从动齿轮24安设于转动支架300的内侧，第一从动齿轮24的第一端与内齿圈22相啮合，且第一从动齿轮24只自转，或绕内齿圈22自转及公转、并带动转动支架300转动，第一从动齿轮24的第二端设置于内齿圈22外及输出齿轮220的内侧、并可带动输出齿轮220进行自转；第二传动机构30，第二传动机构30包括与第一主动齿轮23同轴、且固定传动连接的第二主动齿轮32、及与第二主动齿轮32形成作用连接的第二从动齿轮34，第二主动齿轮32能够带动第二从动齿轮34转动、且第二从动齿轮34的转动方向与第一从动齿轮24的转动方向相反，第二从动齿轮34安设于转动支架300上、且设置于输出齿轮220的外侧，第二从动齿轮34可带动输出齿轮220进行自转；及单向控制机构40，单向控制机构40用于控制所述内齿圈只可沿第一旋转方向单向转动；其中，当内齿圈22固定时，转动支架300可转动；当内齿圈22可转动时，转动支架300固定。
如图1至图11所示，该天线下倾角控制装置使用时，输出齿轮220通过输出轴210与天线波导的传动机构固定传动连接，利用驱动源来驱动第一主动齿轮23和第二主动齿轮32，第一主动齿轮23带动第一从动齿轮24自转、第二主动齿轮32带动第二从动齿轮34自转，第一从动齿轮24与第二从动齿轮34之间的自转方向相反；当第一主动齿轮23带动第一从动齿轮24沿第一旋转方向的反方向转动时，因内齿圈22不能沿第一旋转方向的反方向旋转，内齿圈22固定，使第一从动齿轮24进行公转，同时带动转动支架300沿第一旋转方向进行转动；转动支架300转动至对应需要调节的位置，使输出齿轮220的抵压体223与配合体326抵压配合，使扣体221与卡体114分离时，完成该天线对应的输出齿轮220完成解锁，同时 使第一从动齿轮24或第二从动齿轮34与该输出齿轮220相啮合；反转驱动源的旋转方向，第一主动齿轮23带动第一从动齿轮24沿第一旋转方向进行自转，第二主动齿轮32带动第二从动齿轮34沿第一旋转方向的反方向进行自转，此时第一内齿圈22可沿第一旋转方向旋转，因第一从动齿轮24或第二从动齿轮34与输出齿轮220轴啮合，进而可驱动输出齿轮220转动，进而带动输出轴210的转动、并利用输出轴210完成动力输出，完成该天线的下倾角角度调整；此过程中，其余输出齿轮220被锁止、且至少有一个输出齿轮220的抵压体223与其中一个弧形凸台320的防逆端324防逆转配合，使转动支架300固定，进而在驱动的过程中，不会影响其他天线的下倾角变化，实现一对一的驱动，同时也使输出齿轮220与第一从动齿轮24或第二从动齿轮34的啮合更加精准。当下次调节时，再让第一从动齿轮24及第二从动齿轮34自转及公转，到达需调节位置后，再使第一从动齿轮24及第二从动齿轮34只进行自转，即可实现相应天线下倾角的驱动。该可天线下倾角控制装置能够实现对天线的下倾角的双向调节、且利用上述联动锁止机构10，使输出齿轮220为止动的定位基准、其与第一从动齿轮24或第二从动齿轮34的啮合精准，能够提升天线的下倾角度调整的控制精度。
需要说明的是，单向控制机构40的具体实施例，如单向离合器、单向轴承、棘轮机构等。具体的，单向控制机构40为单向轴承，单向轴承的内圈与内齿圈22固定、外圈固定于第一安装板400上，因而可利用单向轴承来实现内齿圈只沿第一旋转方向单向转动，实现第一从动齿轮24的公转或自转；该单向轴承的响应速度快，但成本更高；且止转精度不足，无定位功能及修正功能，容易出现未转到位或过转的情况。使行星齿轮与输出齿轮220不能较好啮合。进一步的，单向控制机构40包括单向棘轮42，单向棘轮42固设于第一安装板400上，且设置于内齿圈22的外侧、并与内齿圈22同轴转动连接，单向控制机构40还包括可复位转动的限位件44，限位件44固设于内齿圈22的外壁、且限位件44与单向棘轮42限位配合，使内齿圈22只能沿第一旋转方向单向转动，利用单向棘轮42来控制内齿圈的转动方向，便于对输出齿轮220进行定位，使第一从动齿轮24或第二从动齿轮34与输出齿轮220啮合更精确，避免传动过程中出现跳齿现象，导致调控不精准。再进一步的，限位件44至少为两个、且可转动安设于内齿圈22的外侧，使内齿圈22的固定更加牢靠，且使整体结构更加紧凑。
如图5、图6及图13至图15所示，在上述任一实施例的基础上，转动支架300设有安装第一主动齿轮23及第一从动齿轮24的第一腔体330、安装第二主动齿轮32及第二从动齿轮34的第二腔体340、及与第一腔体330间隔设置形成环形槽302的环形壁350，弧形凸台320设置于第一腔体330及环形壁350之间，第二腔体340与第一腔体330相通、且与弧形凸台320相对；还包括盖体500，所盖体500与第二腔体340相配合形成第二转动组件的容纳腔。进而将转动支架300设置成行星架，实现第一主动齿轮23及第一从动齿轮24、第二 主动齿轮32及第二从动齿轮34的安装及涂设润滑油，再者该安装架100可设置于环形槽302内，使整体结构更加紧凑；同时利用盖体500完成第二转动组件的安装固定及防护。
如图11、图13及图14所示，具体的，第二从动齿轮34的一端与第三从动齿轮36相啮合、另一端可与输出齿轮220相啮合；该第一主动齿轮23直接与第一从动齿轮24相啮合，第二主动齿轮32通过第三从动齿轮36驱动第二从动齿轮34转动，进而实现第一从动齿轮24与第二从动齿轮34的转动方向相反，且整体结构更加紧凑。
如图11及图15所示，进一步的，盖体500设有向外凸出的环形体510，环形体510设有多个感应部512；还包括第二安装板600，第二安装板600与第一安装板400相对设置，第二安装板600设有向外凸出设置、并凹设形成与环形体510相配合的环形凹体610，环形凹体610的外壁设有感应与感应部512的感应元件620。因而可利用感应元件620来感应检查感应部512来识别第一从动齿轮24或第二从动齿轮34的位置，便于根据第一从动齿轮24及第二从动齿轮34的位置来驱动驱动源运动，实现对某一波导天线的下倾角的驱动。具体的，该感应部512可为缺口、凸起或凹槽等，本实施例中，感应部512包括至少两个沿周向均匀间隔设置的第一感应缺口(未示出)及设置于两个相邻第一感应缺口之间的第二感应缺口(未示出)。因而可利用第一感应缺口来判断第一从动齿轮24或第二从动齿轮34的位置，利用第二感应缺口来对第一从动齿轮24或第四从动齿轮的位置进行校准。第一感应缺口与第二感应缺口不相等，具体结构可根据实际需要选择。该感应元件620可为光电感应传感器、位移传感器等。
如图11及图12所示，再进一步的，第一安装板400与第二安装板600固定连接，第一安装板400向内凹设形成第一空腔420，第二安装板600向内凹设形成第二空腔630，第二空腔630与第一空腔420相配合形成防护腔。因而利用第一安装板400与第二安装板600形成防护腔，可将联动锁止机构10、第一传动机构20及第二传动机构30及单向控制机构40设置于防护腔内，更好的保护相关零件，同时使整体结构紧凑、便于携带。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (13)

  1. 一种联动锁止机构，其特征在于，包括：
    安装架，所述安装架设有至少两个安装位，所述安装位设有安装通孔及沿所述安装通孔的外周向设置的卡体，所有所述安装通孔均沿同一周向间隔设置；
    与所述安装位一一对应的输出组件，所述输出组件包括输出轴及可弹性复位设置于所述输出轴上的输出齿轮，所述输出齿轮的一端设有与所述卡体相卡合的扣体、及穿过所述安装通孔设置的抵压体，所述扣体设置于所述抵压体的外侧；及
    转动支架，所述转动支架可相对于所述安装架转动，所述转动支架设有与所述抵压体相抵压的承压面、及设置于所述承压面的至少两个弧形凸台，所有所述弧形凸台沿均同一周向间隔设置，所述弧形凸台包括导向端、防逆端及设置于所述导向端与所述防逆端之间的配合体，只有当所述配合体与所述抵压体相抵、使所述扣体与所述卡体分离时，所述输出齿轮才可带动所述输出轴转动。
  2. 根据权利要求1所述的联动锁止机构，其特征在于，当至少一个所述输出齿轮的抵压体与其中一个所述弧形凸台的防逆端防逆转配合时，剩余所述输出齿轮中、只有一个所述输出齿轮的抵压体与对应的一个所述配合体抵压配合。。
  3. 根据权利要求2所述的联动锁止机构，其特征在于，所述转动支架处于的第一预设位置时，所有所述输出齿轮的扣体分别与对应的卡体相卡合，所有所述输出齿轮均被锁止。
  4. 根据权利要求1所述的联动锁止机构，其特征在于，所述卡体设有环形设置的第一卡齿，所述扣体设有与所述第一卡齿相卡合的第二卡齿。
  5. 根据权利要求1所述的联动锁止机构，其特征在于，所述抵压体设有弧形抵压端，所述配合体设有与所述弧形抵压端相配合的凹槽。
  6. 根据权利要求1至5任一项所述的联动锁止机构，其特征在于，所述输出组件还包括复位弹簧，所述复位弹簧的一端与所述输出轴抵压配合、另一端与所述输出齿轮的另一端抵压配合，使所述输出齿轮与所述输出轴可移动复位连接。
  7. 根据权利要求6所述的联动锁止机构，其特征在于，还包括第一安装板，所述第一安装板设有与所述输出轴转动配合的安装孔，所述安装架设有与所述第一安装板固定连接的至少两个安装支柱，相邻两个所述安装支柱间隔设置形成所述安装位。
  8. 一种天线下倾角控制装置，其特征在于，包括权利要求1至7任一项所述的联动锁止机构，还包括：
    第一传动机构，所述第一传动机构包括内齿圈、与所述内齿圈同轴的第一主动齿轮、与所述第一主动齿轮形成作用连接的第一从动齿轮，所述第一主动齿轮能够带动所述第一从动 齿轮转动，所述第一主动齿轮及所述第一从动齿轮安设于所述转动支架的内侧，所述第一从动齿轮的第一端与所述内齿圈相啮合，且所述第一从动齿轮只自转，或绕所述内齿圈自转及公转、并带动所述转动支架转动，所述第一从动齿轮的第二端设置于所述内齿圈外及所述输出齿轮的内侧、并可带动所述输出齿轮进行自转；
    第二传动机构，所述第二传动机构包括与所述第一主动齿轮同轴、且固定传动连接的第二主动齿轮、及与所述第二主动齿轮形成作用连接的第二从动齿轮，所述第二主动齿轮能够带动所述第二从动齿轮转动、且所述第二从动齿轮的转动方向与所述第一从动齿轮的转动方向相反，所述第二从动齿轮安设于所述转动支架上、且设置于所述输出齿轮的外侧，所述第二从动齿轮可带动所述输出齿轮进行自转；及
    单向控制机构，所述单向控制机构用于控制所述内齿圈只可沿第一旋转方向单向转动；
    其中，当所述内齿圈固定时，所述转动支架可转动；当所述内齿圈可转动时，所述转动支架固定。
  9. 根据权利要求8所述的天线下倾角控制装置，其特征在于，所述单向控制机构包括单向棘轮，所述单向棘轮固设于第一安装板上，且设置于所述内齿圈的外侧、并与所述内齿圈同轴转动连接，所述单向控制机构还包括可复位转动的限位件，所述限位件固设于所述内齿圈的外壁、且与所述单向棘轮限位配合，使所述内齿圈只能沿第一旋转方向单向转动。
  10. 根据权利要求9所述的联动锁止机构及天线下倾角控制装置，其特征在于，所述限位件至少为两个、且可转动安设于所述内齿圈的外侧。
  11. 根据权利要求7至10中任一项所述的联动锁止机构及天线下倾角控制装置，其特征在于，所述转动支架设有安装第一主动齿轮及第一从动齿轮的第一腔体、安装所述第二主动齿轮及第二从动齿轮的第二腔体、及与所述第一腔体间隔设置形成环形槽的环形壁，所述弧形凸台设置于所述第一腔体及所述环形壁之间，所述第二腔体与所述第一腔体相通、且与所述弧形凸台相对；还包括盖体，所盖体与所述第二腔体相配合形成所述第二转动组件的容纳腔。
  12. 根据权利要求11所述的联动锁止机构及天线下倾角控制装置，其特征在于，所述盖体设有向外凸出的环形体，所述环形体设有多个感应部；还包括第二安装板，所述第二安装板与第一安装板相对设置，所述第二安装板设有向外凸出设置、并凹设形成与所述环形体相配合的环形凹体，所述环形凹体的外壁设有感应与所述感应部的感应元件。
  13. 根据权利要求12所述的联动锁止机构及天线下倾角控制装置，其特征在于，所述第一安装板与所述第二安装板固定连接，所述第一安装板向内凹设形成第一空腔，所述第二安装板向内凹设形成第二空腔，所述第二空腔与所述第一空腔相配合形成防护腔。
PCT/CN2018/103005 2017-09-22 2018-08-29 联动锁止机构及天线下倾角控制装置 WO2019056934A1 (zh)

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