WO2020154960A1 - 锁紧装置、云台及云台系统 - Google Patents

锁紧装置、云台及云台系统 Download PDF

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Publication number
WO2020154960A1
WO2020154960A1 PCT/CN2019/073960 CN2019073960W WO2020154960A1 WO 2020154960 A1 WO2020154960 A1 WO 2020154960A1 CN 2019073960 W CN2019073960 W CN 2019073960W WO 2020154960 A1 WO2020154960 A1 WO 2020154960A1
Authority
WO
WIPO (PCT)
Prior art keywords
upper cover
lower cover
locking device
quick
groove
Prior art date
Application number
PCT/CN2019/073960
Other languages
English (en)
French (fr)
Inventor
贝世猛
杨健
Original Assignee
深圳市大疆创新科技有限公司
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 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN201980002952.8A priority Critical patent/CN110869661B/zh
Priority to PCT/CN2019/073960 priority patent/WO2020154960A1/zh
Priority to EP19914025.2A priority patent/EP3919799A4/en
Publication of WO2020154960A1 publication Critical patent/WO2020154960A1/zh
Priority to US17/388,622 priority patent/US12060967B2/en

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Classifications

    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
    • F16M11/123—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints the axis of rotation intersecting in a single point, e.g. by using gimbals
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread elements
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/041—Allowing quick release of the apparatus
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/048—Allowing translations adapted to forward-backward translation movement
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2085—Undercarriages with or without wheels comprising means allowing sideward adjustment, i.e. left-right translation of the head relatively to the undercarriage
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/561—Support related camera accessories
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/04—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/14—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement
    • F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections

Definitions

  • This application relates to the technical field of photographing equipment, in particular to a locking device, a pan-tilt and a pan-tilt system.
  • the pan-tilt is a supporting workbench used to install the camera. Through the adjustment of the pan-tilt, the lens of the camera can be adjusted to achieve the correct shooting of the target.
  • the existing PTZ can be compatible with many different types of cameras or lenses, and the balance of each axis of the PTZ can be adjusted.
  • the existing pan/tilt head needs to adjust multiple balance adjustment structures on the pan/tilt head when installing the camera, the camera can be in a balanced state, which results in the installation of the camera is more complicated.
  • the embodiment of the present application provides a locking device, a pan-tilt and a pan-tilt system.
  • the locking device is used to be arranged on the shaft arm of the pan/tilt, and the locking device includes an upper cover, a lower cover, a quick release plate and a locking component.
  • the upper cover is used to be arranged on the shaft arm.
  • the lower cover is configured to be arranged on a side of the shaft arm opposite to the upper cover, and the upper cover and the lower cover can move together in a first direction.
  • the quick-release plate is used for installing loads, the quick-release plate is arranged on a side of the upper cover away from the lower cover, and the quick-release plate can move on the upper cover in a second direction.
  • the locking assembly passes through the lower cover and the upper cover. When the locking assembly is tightened, the upper cover and the lower cover are locked and used to be fixed on the shaft arm. The quick-release plate is locked with the upper cover and fixed on the upper cover.
  • the pan-tilt of the present application includes a shaft arm and the above-mentioned locking device, and the locking device is arranged on the shaft arm.
  • the pan/tilt system of the present application includes the above-mentioned pan/tilt and imaging device, and the imaging device is installed on the quick release plate.
  • the pan/tilt system, pan/tilt, and locking device of this embodiment can simultaneously fix the upper cover, the lower cover, and the quick release plate through one locking operation of the locking assembly, so that the load (such as the imaging device) can be fixed on the cloud Therefore, the locking device can simplify the installation of the load and improve the installation efficiency of the load.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a pan-tilt according to some embodiments of the present application.
  • Fig. 2 is a three-dimensional exploded schematic diagram of a pan/tilt according to some embodiments of the present application.
  • FIG. 3 is a schematic diagram of a three-dimensional structure of some elements of a pan-tilt according to some embodiments of the present application.
  • Fig. 4 is a partial enlarged schematic diagram of the position IV in Fig. 3.
  • Fig. 5 is a three-dimensional structural diagram of the lower cover of the locking device in some embodiments of the present application.
  • Fig. 6 is a schematic diagram of a three-dimensional structure of a pan-tilt according to some embodiments of the present application.
  • Fig. 7 is a schematic cross-sectional view of the pan/tilt in Fig. 6 along line VII-VII.
  • Fig. 8 is a schematic cross-sectional view of the gimbal in Fig. 6 along line VIII-VIII.
  • FIG. 9 is a schematic diagram of a three-dimensional structure of a pan/tilt in some embodiments of the present application.
  • Fig. 10 is a schematic cross-sectional view of the pan/tilt in Fig. 9 along line X-X.
  • FIG. 11 is a schematic structural diagram of a pan-tilt system according to some embodiments of the present application.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, “plurality” means two or more than two, unless specifically defined otherwise.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication between two elements or the interaction between two elements.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication between two elements or the interaction between two elements.
  • the "on” or “under” of the first feature of the second feature may include the first and second features in direct contact, or may include the first and second features Not in direct contact but through other features between them.
  • “above”, “above” and “above” the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than the second feature.
  • the “below”, “below” and “below” the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • the locking device 100 of the pan/tilt load of the present application is used to be installed on the shaft arm 80 of the pan/tilt 200.
  • the locking device 100 includes an upper cover 10, a lower cover 20, a quick release plate 30 and a locking component 41.
  • the upper cover 10 is used to be arranged on the shaft arm 80.
  • the lower cover 20 is configured to be arranged on the side of the shaft arm 80 opposite to the upper cover 10, and the upper cover 10 and the lower cover 20 can move along the first direction 101 together.
  • the quick-release plate 30 is used to install loads.
  • the quick-release plate 30 is arranged on a side of the upper cover 10 away from the lower cover 20.
  • the quick-release plate 30 can move on the upper cover 10 in the second direction 102.
  • the locking assembly 41 passes through the lower cover 20 and the upper cover 10.
  • the locking assembly 41 is tightened, the upper cover 10 and the lower cover 20 are locked and fixed to the shaft arm 80.
  • the quick release plate 30 and the upper cover 10 are locked Tightly and fixed on the upper cover 10.
  • first direction 101 may include two opposite directions
  • second direction 102 may also include two opposite directions.
  • An angle between the first direction 101 and the second direction 102 may be formed.
  • the angle between the first direction 101 and the second direction 102 may be an acute angle, a right angle or an obtuse angle.
  • the first direction 101 The angle with the second direction 102 is a right angle.
  • the locking device 100 of the present application can fix the upper cover 10, the lower cover 20, and the quick release plate 30 at the same time through a single locking operation of the locking assembly 41, thereby being able to load the load (for example, the imaging device 301 shown in FIG. 11) It is fixed on the shaft arm 80 of the pan/tilt head 200. Therefore, the locking device 100 can simplify the installation of the load and improve the installation efficiency of the load.
  • the pan/tilt head 200 of the present application includes a shaft arm 80 and a locking device 100 installed on the shaft arm 80.
  • the pan/tilt head 200 may be a single-axis pan/tilt, a two-axis pan/tilt or a three-axis pan/tilt.
  • the shaft arm 80 includes a shaft arm top wall 81, a shaft arm bottom wall 82 and a shaft arm side wall 83.
  • the shaft arm top wall 81 and the shaft arm bottom wall 82 are located on opposite sides of the shaft arm 80 ,
  • the shaft arm side wall 83 connects the shaft arm top wall 81 and the shaft arm bottom wall 82.
  • An upper chamfer 841 is formed at the joint of the shaft arm side wall 82 and the shaft arm top wall 81, and a lower chamfer 842 is formed at the joint of the shaft arm side wall 82 and the shaft arm bottom wall 82.
  • the shaft arm 80 is provided with a through groove 85 penetrating the shaft arm top wall 81 and the shaft arm bottom wall 82.
  • the through groove 85 includes two mutually parallel and opposite inner side walls 851, the inner side walls 851 are parallel to the extending direction of the shaft arm 80, and the extending direction of the shaft arm 80 is defined as the first direction 101.
  • the through groove 85 of this embodiment is a rectangular groove, and the inner side wall 851 corresponds to the long side of the rectangular groove. In other embodiments, the through groove 85 may also have a racetrack shape.
  • Wave teeth 86 are formed on both inner side walls 851, one of the inner side walls 851 is formed with first wave teeth 861, and the other inner side wall 851 is formed with second wave teeth 862.
  • the wave teeth 86 include a plurality of teeth 863 arranged at equal intervals, and a tooth groove 864 is formed between two adjacent teeth 863.
  • the outer contour of the tooth 863 can be a sine curve or a circular arc.
  • the tooth top 865 of the first wave tooth 861 is opposite to the tooth top 865 of the second wave tooth 862, and the tooth bottom 866 of the first wave tooth 861 is opposite to the tooth bottom 866 of the second wave tooth 862.
  • the tooth top 865 of the first wave tooth 861 is opposite to the tooth bottom 866 of the second wave tooth 862, and the tooth bottom 866 of the first wave tooth 861 is opposite to the tooth top 865 of the second wave tooth 862.
  • the locking device 100 of the present application includes an upper cover 10, a lower cover 20, a quick release plate 30, a locking component 41, an anti-drop component 42, a limiting component 43, a limiting screw 45, and fixing The component 44, the compression block 50 and the pretension component 60.
  • the upper cover 10 includes an upper cover top surface 11, an upper cover bottom surface 12, and an upper cover side surface 13.
  • the upper cover top surface 11 and the upper cover bottom surface 12 are located on opposite sides of the upper cover 10, and the upper cover side surface 13 is connected to the upper cover top surface 11 And the bottom surface 12 of the upper cover and surround the top surface 11 and the bottom surface 12 of the upper cover.
  • the bottom surface 12 of the upper cover is provided with an upper cover installation groove 121, and the upper cover installation groove 121 penetrates two upper cover side surfaces 13 of the upper cover 10 located in the first direction 101.
  • a cross section of the upper cover installation groove 121 taken by a plane perpendicular to the first direction 101 is trapezoidal.
  • the top surface 11 of the upper cover is provided with a sliding groove 111 and a receiving groove 112.
  • the sliding groove 111 penetrates two opposite upper cover side surfaces 13, and the receiving groove 112 communicates with the sliding groove 111 and is located on one side of the sliding groove 111.
  • One of the extending directions of the sliding groove 111 (the direction connecting the centers of the two upper cover side surfaces 13) is defined as the second direction 102.
  • the second direction 102 forms an angle with the first direction 101.
  • the angle may be an acute angle, Right angle or obtuse angle, the angle between the first direction 101 and the second direction 102 in this embodiment is a right angle, that is, the first direction 101 and the second direction 102 are perpendicular to each other.
  • the sliding groove 111 is a dovetail groove.
  • the bottom of the accommodating groove 112 is provided with an upper cover stepped hole 113 passing through the upper cover 10 (please refer to FIGS. 6 and 8 ).
  • the upper cover 10 also includes an upper cover positioning post 14 protruding from the bottom surface of the sliding groove 111 (see FIG. 7). In other embodiments, the bottom surface of the sliding groove 111 may also be provided with an upper cover positioning hole (not shown).
  • the lower cover 20 includes a lower cover body 21 and a lower cover boss 22 that are connected.
  • the lower cover body 21 includes a lower cover top surface 23, a lower cover bottom surface 24, and a lower cover side surface 25.
  • the lower cover top surface 23 and the lower cover bottom surface 24 are located on opposite sides of the lower cover body 21.
  • the lower cover side surface 25 is connected to the lower cover top.
  • the surface 23 and the side surface 24 of the lower cover surround the top surface 23 and the side surface 24 of the lower cover.
  • the top surface 23 of the lower cover is provided with a lower cover installation groove 231, and the lower cover installation groove 231 penetrates the two lower cover side surfaces 25 of the lower cover body 21 located in the first direction 101.
  • the cross section of the lower cover installation groove 231 cut by a plane perpendicular to the first direction 101 is trapezoidal.
  • the lower cover boss 22 is formed extending from the bottom surface of the lower cover installation groove 231.
  • the lower cover boss 22 is received in the through groove 85.
  • the lower cover boss 22 includes a boss top surface 221 and a boss side surface 222.
  • the boss top surface 221 is located on the side of the lower cover boss 22 away from the lower cover body 21.
  • the boss side surface 222 connects the boss top surface 221 and the lower cover
  • the bottom surface of the mounting groove 231 and the side surface 222 of the boss are opposite to the inner side wall 851.
  • the top surface 221 of the boss is provided with two receiving grooves 223 respectively penetrating the two boss side surfaces 222.
  • the receiving groove 223 includes a receiving groove bottom surface 2231 and a receiving groove side surface 2232.
  • the receiving groove bottom surface 2231 is located on the top surface of the receiving groove 223 away from the boss.
  • the side surface 2232 of the receiving groove is parallel to the side surface 222 of the boss and is concave relative to the side surface 222 of the boss.
  • the lower cover boss 22 includes a limiting protrusion 224 extending from the bottom surface 2231 of the receiving groove, and the limiting protrusion 224 is opposed to the side surface 2232 of the receiving groove at intervals.
  • the number of the receiving slots 223 in this embodiment is that the positions of the two receiving slots 223 in the first direction 101 are slightly shifted.
  • the top surface of the boss 221 is provided with a lower cover stepped hole 225 (refer to Figure 7) and a lower cover positioning hole 226.
  • the lower cover stepped hole 225 penetrates the lower cover boss 22 and the lower cover body 21.
  • the lower cover positioning hole 226 can be blind. Hole or through hole.
  • the upper cover positioning column 14 penetrates the lower cover positioning hole 226.
  • the top surface 221 of the lower cover may protrude to form a lower cover positioning post (not shown).
  • the lower cover positioning post is inserted into the upper cover positioning hole.
  • the fixing assembly 44 includes a fixing screw 441 and a compression spring 442.
  • the fixing screw 441 passes through the stepped hole 225 of the lower cover and is combined with the upper cover 10.
  • the compression spring 442 is received in the stepped hole 225 of the lower cover and located between the upper cover 10 and the lower cover 20, and the compression spring 442 is also sleeved outside the fixing screw 441.
  • the quick-release plate 30 includes a quick-release body 31 and two quick-release bumps 32.
  • the quick assembly body 31 includes a quick assembly top wall 311, a quick assembly bottom wall 312, and a quick assembly side wall 313.
  • the quick assembly top wall 311 and the quick assembly bottom wall 312 are located on opposite sides of the quick assembly body 31, and the quick assembly side wall 313 Connect the quick installation top wall 311 and the quick installation bottom wall 312.
  • the bottom wall 312 of the quick assembly is provided with a groove 314, and the side wall 313 of the quick assembly surrounds the groove 314.
  • the groove 314 in this embodiment penetrates the two quick-release side walls 313 in the second direction 102.
  • the surface of the side wall 313 surrounding the groove 314 is provided with a slot 315, and the extension direction of the slot 315 is parallel to the second direction 102.
  • Two quick-installation bumps 32 respectively extend from two opposite quick-installation side walls 313. Specifically, the quick-installation bumps 32 extend outward from the surface of the quick-installation sidewall 313 opposite to the card slot 315, and the quick-installation protrusions 32 The extending direction of the block 32 is perpendicular to the second direction 102.
  • the quick assembly bump 32 includes a bump top surface 321 away from the quick assembly bottom wall 312. In the direction in which the quick assembly bump 32 extends outward from the quick assembly side wall 313, the bump top surface 321 is inclined toward the quick assembly bottom wall 312.
  • the quick-release plate 30 When the quick-release plate 30 is installed on the upper cover 10, the quick-release body 31 and the two quick-release projections 32 are both received in the chute 111, and at this time, the bottom wall 312 of the quick-release is opposed to the bottom surface of the chute 111 and abuts , The top surface 321 of the bump conflicts with the side surface of the sliding groove 111.
  • the position-limiting component 43 is detachably disposed on the quick-installation side wall 313 and the quick-installation protrusion 32 and is partially clamped in the card slot 315.
  • the limit screw 45 is detachably arranged on the quick-release side wall 313. When the limit component 43 and the limit screw 45 are both set on the quick-release plate 30 and the quick-release plate 30 is installed on the upper cover 10, the limit screw 45 and the upper cover 10 are respectively located on opposite sides of the limiting component 43.
  • the limit component 43 and the limit screw 45 can limit the movement stroke of the quick release plate 30 in the second direction 102.
  • the compression block 50 includes a compression block top surface 51, a compression block bottom surface 52 and a compression block side surface 53, the compression block top surface 51 and the compression block bottom surface 52 are located opposite to the compression block 50 On both sides, the pressure block side surface 53 is connected to the pressure block bottom surface 52 and is inclined relative to the pressure block bottom surface 52.
  • the cross section of the compression block 50 cut by a plane perpendicular to the bottom surface 52 and the side surface 53 of the compression block is a pentagon, wherein the pentagon is obtained by chamfering one of the corners of a rectangle, The side surface 53 of the pressing block should be chamfered.
  • the cross section of the pressing block 50 cut by a plane perpendicular to the pressing block bottom surface 52 and the pressing block side surface 53 may be a right-angled trapezoid, wherein the pressing block bottom surface 52 corresponds to the upper bottom side, and the pressing block side surface 53 corresponds to The waist is inclined with the upper bottom edge.
  • the compression block 50 is received in the accommodating groove 112 and abuts against the quick release plate 30. Specifically, when the compression block 50 is disposed on the quick release plate 30, the bottom surface 52 of the compression block opposes and conflicts with the bottom surface of the accommodating groove 112 , The side surface 53 of the pressing block collides with the top surface 321 of the bump.
  • the anti-dropping assembly 42 includes an anti-dropping screw 421 and a pressure block spring 422.
  • the anti-falling screw 421 is inserted into the stepped hole 113 of the upper cover and combined with the pressing block 50.
  • the pressure block spring 422 is received in the stepped hole 113 of the upper cover and is located between the upper cover 10 and the pressure block 50, and the pressure block spring 422 is also sleeved outside the anti-dropping screw 421.
  • the pre-tightening assembly 60 includes a pre-tightening block 61 and a pre-tightening elastic member 62.
  • the pretension block 61 includes a pretension body 611 and two resisting arms 612.
  • the two resisting arms 612 extend from opposite ends of the pre-tightening body 611, and the pre-tightening body 611 and the two resisting arms 612 jointly enclose a receiving cavity 613.
  • the resisting arm 612 includes a resisting portion 6121 away from the pre-tensioning body 611.
  • the shape of the resisting portion 6121 matches the shape of the tooth groove 864.
  • the outer peripheral surface of the resisting portion 6121 of this embodiment is a circular arc surface.
  • the pretensioning assembly 60 When the pretensioning assembly 60 is installed on the lower cover 20, the pretensioning block 61 is received in the receiving groove 223; the pretensioning body 611 is located between the side surface 2232 of the receiving groove and the limiting protrusion 224, and the limiting protrusion 224 is received in the receiving cavity In 613, the two resisting arms 612 extend from the receiving groove 223 to the outside of the side surface 222 of the boss, and the resisting portion 6121 is in contact with the wave teeth 86; the pre-tensioning elastic member 62 is received in the receiving groove 223 and is located in the pre-tensioning body Between 611 and the side surface 2232 of the receiving groove, specifically, one end of the pre-tensioning elastic member 62 resists the pre-tensioning body 611, and the other end of the pre-tensioning elastic member 62 resists the side surface 2232 of the receiving groove.
  • the number of pre-tensioning components 60 in this embodiment is two, and the two pre-tensioning components 60 are respectively installed in the two receiving slots 223; the two pre-tensioning components 60 are the first pre-tensioning component 63 and the second pre-tensioning component respectively 64.
  • the two receiving grooves 223 are slightly staggered, so that the pre-tensioning block 61 of the first pre-tensioning assembly 63 and the pre-tensioning block 61 of the second pre-tensioning assembly 64 are separated by half the tooth width (the teeth 863 Half the tooth width); the first pre-tensioning component 63 conflicts with the first wave tooth 861, and the second pre-tensioning component 64 conflicts with the second wave tooth 862.
  • the half tooth width of the tooth 863 in this embodiment is 1 mm.
  • the half tooth width may be 0.5 mm, 2 mm, or 4 mm.
  • the pre-tensioning block 61 of the first pre-tensioning component 63 and the pre-tensioning block 61 of the second pre-tensioning component 64 may be symmetrical about a plane of symmetry parallel to the two inner side walls 851, specifically, the plane of symmetry passing through the lower cover boss 22 Center and parallel to the inner side wall 851; at this time, when the resisting portion 6121 of the first pre-tensioning component 63 and the tooth bottom 866 of the first wave tooth 861 abut, the resisting portion 6121 of the second pre-tensioning component 64 and the second The crest 865 of the wave tooth 862 conflicts.
  • the locking assembly 41 includes a locking column 411 and a handle 412, and the handle 412 is disposed at one end of the locking column 411.
  • the locking column 411 penetrates the lower cover 10 and the upper cover 20 and is combined with the pressing block 50, and the handle 412 is provided at an end of the lower cover 20 away from the upper cover 10.
  • the upper cover 10 is provided with an upper cover through hole 103, the upper cover through hole 103 penetrates the upper cover top surface 11 and the upper cover bottom surface 12 and communicates with the accommodating groove 112;
  • the lower cover 20 is provided with a lower cover Through hole 201, the through hole 201 of the lower cover penetrates the bottom surface 24 of the lower cover and the top surface 23 of the boss;
  • the bottom surface 52 of the pressure block 50 is provided with a coupling hole 54 which can penetrate the bottom surface 52 and the top surface of the pressure block 51.
  • the coupling hole 54 may also be a blind hole.
  • the block body 31 and the quick assembly protrusion 32 are both installed in the sliding groove 111 of the upper cover 10, and some of the quick assembly protrusion 32 Extend into the receiving groove 112.
  • the pressing block 50 is arranged on the quick assembly protrusion 32 so that the side surface 53 of the pressing block is in contact with the top surface 321 of the protrusion, and the pressing block 50 is also received in the accommodating groove 112.
  • the upper cover 10 is arranged on the shaft arm 80.
  • the shaft arm top wall 81 is received in the upper cover mounting groove 121, the bottom surface of the upper cover mounting groove 121 is in contact with the shaft arm top wall 81, and the side surface of the upper cover mounting groove 121 Conflicts with the upper chamfer 841.
  • the lower cover 20 is arranged on the shaft arm 80.
  • the shaft arm bottom wall 82 is received in the lower cover mounting groove 231, the bottom surface of the lower cover mounting groove 231 is in contact with the shaft arm bottom wall 82, and the side surface of the lower cover mounting groove 231 is The chamfer 842 conflicts, and the lower cover boss 22 is received in the through groove 85, and the upper cover positioning post 14 is inserted into the lower cover positioning hole 226 to realize the positioning and installation of the lower cover 20 on the upper cover 10.
  • the end of the locking column 411 away from the handle 412 passes through the lower cover through hole 201, the through groove 85, and the upper cover through hole 103 in sequence, and is combined with the coupling hole 54.
  • the quick release plate 30, the upper cover 10, the shaft arm 80 and the lower cover 20 are located between the pressing block 50 and the handle 412. If the upper cover is formed with upper cover positioning holes and the lower cover is formed with lower cover positioning posts, the lower cover positioning posts are inserted into the upper cover positioning holes to realize the positioning and installation of the lower cover 20 on the upper cover 10.
  • the quick release plate 30 When it is necessary to lock the quick release plate 30, the upper cover 10 and the lower cover 20, tighten the locking assembly 41. At this time, the quick release plate 30, the upper cover 10, the shaft arm 80 and the lower cover 20 are clamped on the pressing block 50 And handle 412. Specifically, the pressing block 50 is pressed on the top surface 321 of the protrusion of the quick-release plate 30 and the quick-release plate 30 is pressed on the upper cover 10. At this time, the quick-release plate 30 is fixed relative to the upper cover 10 and is quickly installed The plate 30 cannot slide in the second direction 102 in the sliding groove 111. The quick release plate 30 is pressed on the upper cover 10 so that the upper cover 10 is pressed on the shaft arm top wall 81 of the shaft arm 80.
  • the upper cover 10 is fixed relative to the shaft arm 80 and the upper cover 10 cannot be placed on the shaft arm top.
  • the wall 81 slides 101 in the first direction.
  • the handle 412 presses the lower cover 20 on the shaft arm bottom wall 82 so that the lower cover 20 is fixed relative to the shaft arm 80 and the lower cover 20 cannot slide 101 on the shaft arm bottom wall 82 in the first direction.
  • the locking assembly 41 is loosened.
  • the quick-release plate 30 can slide in the chute 111 along the second direction 102, and the upper cover 10 and the lower cover 20 can face relative to the shaft arm 80. Slide in the first direction 101.
  • the pre-tensioning component 60 and the wave teeth 86 can remain stationary; if the resisting portions 6121 of the two pre-tensioning components 60 are not If it conflicts with the tooth bottom 866, the pre-tightening assembly 60 will slide relative to the wave tooth 86; when the upper cover 10 and the lower cover 20 need to move in the first direction 101, the upper cover 10 and the lower cover 20 can move along the first direction 101. Move half the width of the tooth at a time (half the width of the tooth 863).
  • the locking direction of the locking device 100 of this embodiment is perpendicular to the first direction 101, and the locking direction of the locking device 100 is also perpendicular to the second direction 102.
  • the locking direction of the locking device 100 is: the moving direction of the pressing block 50 (or the upper cover 10) when the locking assembly 41 is tightened.
  • the pan/tilt head 200 and the locking device 100 of this embodiment can simultaneously fix the upper cover 10, the lower cover 20, and the quick release plate 30 through one locking operation of the locking assembly 41, so that the load (for example, the imaging device 301) It is fixed on the shaft arm 80 of the pan/tilt head 200. Therefore, the locking device 100 can simplify the installation of the load and improve the installation efficiency of the load.
  • the pan/tilt head 200 and the locking device 100 of the present application are provided with a pressing block 50 to facilitate the pressing of the quick-release plate 30 in the chute 111 by the pressing block 50.
  • the upper cover 10 defines an upper cover installation groove 121. When the upper cover 10 is set on the shaft arm 80, the shaft arm top wall 81 is received in the upper cover installation groove 121, so as to prevent the upper cover 10 from rotating relative to the shaft arm 80.
  • the chute 111 is a dovetail groove.
  • the quick-release plate 30 includes two quick-release bumps 32 and the top surface 321 of the bump is inclined toward the quick-release bottom wall 312, so when the pressing block 50 presses the quick-release bump 32, the quick-release The plate 30 slides toward the side away from the compression block 50 and presses the quick-installation protrusion 32 away from the compression block 50 on the side surface of the sliding groove 111.
  • the locking device 100 is provided with an anti-falling screw 421, so that when the locking assembly 41 is loosened, the compression block 50 can be prevented from falling off the upper cover 10 and the quick release plate 30; the locking device 100 is provided with a compression block spring 422 Therefore, when the locking assembly 41 is loosened, the pressing block 50 can be prevented from shaking.
  • the lower cover 20 defines a lower cover installation groove 231.
  • the shaft arm bottom wall 82 is received in the lower cover installation groove 231 to prevent the lower cover 20 from rotating relative to the shaft arm 80.
  • the locking device 100 is provided with a fixing screw 441, so that when the locking assembly 41 is loosened, the lower cover 20 can be prevented from falling off the upper cover 10; the locking device 100 is provided with a compression spring 442, so that when the locking assembly is loosened After 41, the lower cover 20 can be prevented from shaking.
  • the shaft arm 80 of the present application is provided with a through slot 85 to facilitate the connection of the lower cover 20 and the upper cover 10 together.
  • the resisting portion 6121 of the first pretensioning component 63 conflicts with the tooth bottom 866 of the first wave tooth 861
  • the resisting portion 6121 of the second pretensioning component 64 conflicts with the tooth top 865 of the second wave tooth 862.
  • the resisting portion 6121 of a pre-tensioning component 63 is in contact with the tooth top 865 of the first wave tooth 861
  • the resisting portion 6121 of the second pre-tensioning component 64 is in contact with the tooth bottom 866 of the second wave tooth 862, so that the upper cover 10
  • the lower cover 20 and the lower cover 20 can move half a tooth width each time, which improves the moving accuracy of the upper cover 10 and the lower cover 20.
  • the pan-tilt system 300 of the present application includes the aforementioned pan-tilt 200 and imaging device 301.
  • the imaging device 301 is installed on the quick-release plate 30.
  • the quick-release top wall 311 of the quick-release plate 30 is provided with a load installation groove 316, and the imaging device 301 can be installed on the quick-release plate 30 through the installation groove 316.
  • the pan-tilt system 300 includes unmanned aerial vehicles, unmanned ships, unmanned vehicles, handheld pan-tilts, and the like.
  • the locking device 100 in the pan/tilt system 300 of this embodiment can simultaneously fix the upper cover 10, the lower cover 20, and the quick release plate 30 through a single locking operation on the locking assembly 41, so that the load (such as the imaging device 301) It is fixed on the shaft arm 80 of the pan-tilt 200. Therefore, the locking device 100 can simplify the installation of the load and improve the installation efficiency of the load.

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Abstract

一种云台系统(300)、云台(200)及锁紧装置(100)。锁紧装置(100)用于设置在云台(200)的轴臂(80)上，锁紧装置(100)包括上盖(10)、下盖(20)、快装板(30)及锁紧组件(41)。上盖(10)用于设置在轴臂(80)上。下盖(20)用于设置在轴臂(80)的与上盖(10)相背的一侧，上盖(10)和下盖(20)能够一起沿第一方向(101)运动。快装板(30)用于安装负载，快装板(30)设置在上盖(10)的远离下盖(20)的一侧，快装板(30)能够在上盖(10)上沿第二方向(102)运动。锁紧组件(41)穿过下盖(20)和上盖(10)，当旋紧锁紧组件(41)后，上盖(10)与下盖(20)锁紧并用于固定于轴臂(80)上，快装板(30)与上盖(10)锁紧并固定于上盖(10)上。

Description

锁紧装置、云台及云台系统 技术领域
本申请涉及拍摄设备技术领域，特别涉及一种锁紧装置、云台及云台系统。
背景技术
云台是用于安装摄像机使用的支撑工作台，通过对云台的调整，以调整摄像机的镜头，以实现正确对目标的摄像。现有云台可以兼容多种不同型号的摄像机或镜头，云台各轴的平衡可以调节。但是由于现有云台在安装摄像机时要调节云台上的多个调节平衡的结构才能够使相机处于平衡状态，从而导致相机的安装比较复杂。
发明内容
本申请的实施方式提供了一种锁紧装置、云台及云台系统。
本申请的云台负载的锁紧装置，所述锁紧装置用于设置在云台的轴臂上，所述锁紧装置包括上盖、下盖、快装板及锁紧组件。所述上盖用于设置在所述轴臂上。所述下盖用于设置在所述轴臂的与所述上盖相背的一侧，所述上盖和所述下盖能够一起沿第一方向运动。所述快装板用于安装负载，所述快装板设置在所述上盖的远离所述下盖的一侧，所述快装板能够在所述上盖上沿第二方向运动。所述锁紧组件穿过所述下盖和所述上盖，当旋紧所述锁紧组件后，所述上盖与所述下盖锁紧并用于固定于所述轴臂上，所述快装板与所述上盖锁紧并固定于所述上盖上。
本申请的云台包括轴臂及上述所述的锁紧装置，所述锁紧装置设置在所述轴臂上。
本申请的云台系统包括上述所述的云台及成像装置，所述成像装置安装在所述快装板上。
本实施方式的云台系统、云台和锁紧装置通过对锁紧组件的一次锁紧操作就能够同时固定上盖、下盖及快装板，从而能够将负载(例如成像装置)固定在云台的轴臂上，因而，锁紧装置能够简化负载的安装，提升了负载的安装效率。
本申请的实施方式的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实施方式的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本申请某些实施方式的云台的立体结构示意图。
图2是本申请某些实施方式的云台的立体分解示意图。
图3是本申请某些实施方式的云台的部分元件的立体结构示意图。
图4是图3的IV处的局部放大示意图。
图5是本申请某些实施方式的锁紧装置的下盖的立体结构示意图。
图6是本申请某些实施方式的云台的立体结构示意图。
图7是图6中的云台沿VII-VII线的剖面示意图。
图8是图6中的云台沿VIII-VIII线的剖面示意图。
图9是本申请某些实施方式的云台的立体结构示意图。
图10是图9中的云台沿X-X线的剖面示意图。
图11是本申请某些实施方式的云台系统的结构示意图。
具体实施方式
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它 们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。
请参阅图1，本申请的云台负载的锁紧装置100用于设置在云台200的轴臂80上，锁紧装置100包括上盖10、下盖20、快装板30及锁紧组件41。上盖10用于设置在轴臂80上。下盖20用于设置在轴臂80的与上盖10相背的一侧，上盖10和下盖20能够一起沿第一方向101运动。快装板30用于安装负载，快装板30设置在上盖10的远离下盖20的一侧，快装板30能够在上盖10上沿第二方向102运动。锁紧组件41穿过下盖20和上盖10，当旋紧锁紧组件41后，上盖10与下盖20锁紧并用于固定于轴臂80上，快装板30与上盖10锁紧并固定于上盖10上。
可以理解，第一方向101可以包括相背的两个方向，第二方向102也可以包括相背的两个方向。第一方向101与第二方向102之间可以呈夹角，具体地，第一方向101与第二方向102之间的夹角可以为锐角、直角或钝角，本实施方式中，第一方向101与第二方向102之间的夹角呈直角。当旋紧锁紧组件41时，上盖10可以发生弹性变形并将快装板30压紧在上盖10上。
本申请的锁紧装置100通过对锁紧组件41的一次锁紧操作就能够同时固定上盖10、下盖20及快装板30，从而能够将负载(例如图11所示的成像装置301)固定在云台200的轴臂80上，因而，锁紧装置100能够简化负载的安装，提升了负载的安装效率。
请参阅图1，本申请的云台200包括轴臂80及安装在轴臂80上的锁紧装置100。云台200可以为单轴云台、两轴云台或三轴云台。
请结合图2至图4，轴臂80包括轴臂顶壁81、轴臂底壁82及轴臂侧壁83，轴臂顶壁81和轴臂底壁82位于轴臂80的相背两侧，轴臂侧壁83连接轴臂顶壁81和轴臂底壁82。轴臂侧壁82与轴臂顶壁81的连接处形成有上倒角841，轴臂侧壁82与轴臂底壁82在连接处形成有下倒角842。轴臂80开设有贯穿轴臂顶壁81和轴臂底壁82的通槽85。通槽85包括两个相互平行并相对的内侧壁851，内侧壁851平行于轴臂80的延伸方向，轴臂80的延伸方向定义为第一方向101。本实施方式的通槽85为矩形槽，内侧壁851与矩形槽的长边对应。在其他实施方式中，通槽85也可以呈跑道形。两个内侧壁851上均形成有波 浪齿86，其中一个内侧壁851形成有第一波浪齿861，另一内侧壁851形成有第二波浪齿862。波浪齿86包括等间隔设置的多个齿863，相邻的两个齿863之间形成一个齿槽864。齿863的外轮廓可以呈正弦曲线或者圆弧线。本实施方式中，第一波浪齿861的齿顶865与第二波浪齿862的齿顶865相对，第一波浪齿861的齿底866与第二波浪齿862的齿底866相对。在其他实施方式中，第一波浪齿861的齿顶865与第二波浪齿862的齿底866相对，第一波浪齿861的齿底866与第二波浪齿862的齿顶865相对。
请参阅图1及图2，本申请的锁紧装置100包括上盖10、下盖20、快装板30、锁紧组件41、防脱组件42、限位组件43、限位螺丝45、固定组件44、压紧块50及预紧组件60。
上盖10包括上盖顶面11、上盖底面12和上盖侧面13，上盖顶面11和上盖底面12位于上盖10的相背两侧，上盖侧面13连接上盖顶面11及上盖底面12并环绕上盖顶面11及上盖底面12。上盖底面12开设有上盖安装槽121，上盖安装槽121贯穿上盖10的位于第一方向101的两个上盖侧面13。上盖安装槽121被垂直于第一方向101的平面截得的截面呈梯形。当上盖10安装在轴臂80上时，轴臂顶壁81收容在上盖安装槽121内，上盖安装槽121的底面与轴臂顶壁81抵触，上盖安装槽121的侧面与上倒角841抵触。上盖顶面11开设有滑槽111和容置槽112，滑槽111贯穿相对的两个上盖侧面13，容置槽112与滑槽111连通并位于滑槽111的一侧。滑槽111的其中一个延伸方向(两个上盖侧面13的中心连线方向)定义为第二方向102，第二方向102与第一方向101之间呈夹角，该夹角可以为锐角、直角或钝角，本实施方式的第一方向101与第二方向102之间的夹角为直角，也即是，第一方向101与第二方向102相互垂直。滑槽111为燕尾槽。容置槽112的底部开设有贯穿上盖10的上盖阶梯孔113(请参阅图6及图8)。上盖10还包括自滑槽111的底面凸出形成的上盖定位柱14(请参阅图7)。在其他实施方式中，滑槽111的底面也可以开设有上盖定位孔(图未示)。
请结合图5，下盖20包括相连接的下盖本体21和下盖凸台22。下盖本体21包括下盖顶面23、下盖底面24和下盖侧面25，下盖顶面23和下盖底面24位于下盖本体21的相背两侧，下盖侧面25连接下盖顶面23和下盖侧面24并环绕下盖顶面23和下盖侧面24。下盖顶面23开设有下盖安装槽231，下盖安装槽231贯穿下盖本体21的位于第一方向101的两个下盖侧面25。下盖安装槽231被垂直于第一方向101的平面截得的截面呈梯形。当下盖20安装在轴臂80上时，轴臂底壁82收容在下盖安装槽231内，下盖安装槽231的底面与轴臂底壁82抵触，下盖安装槽231的侧面与下倒角842抵触。
下盖凸台22自下盖安装槽231的底面延伸形成。下盖凸台22收容在通槽85内。下盖凸台22包括凸台顶面221和凸台侧面222，凸台顶面221位于下盖凸台22的远离下盖本体21一侧，凸台侧面222连接凸台顶面221及下盖安装槽231的底面，凸台侧面222与内 侧壁851相对。凸台顶面221开设有两个分别贯穿两个凸台侧面222的收容槽223，收容槽223包括收容槽底面2231和收容槽侧面2232，收容槽底面2231位于收容槽223的远离凸台顶面221一侧，收容槽侧面2232与凸台侧面222平行并相对凸台侧面222内凹。下盖凸台22包括自收容槽底面2231延伸的限位凸起224，限位凸起224与收容槽侧面2232间隔相对。本实施方式的收容槽223的数量为两个两个收容槽223在第一方向101上的位置稍微错开。凸台顶面221开设有下盖阶梯孔225(请参阅图7)和下盖定位孔226，下盖阶梯孔225贯穿下盖凸台22和下盖本体21，下盖定位孔226可以为盲孔或通孔。当下盖20安装在轴臂80上时，上盖定位柱14穿设在下盖定位孔226内。在其他实施方式中，下盖顶面221可以凸出形成下盖定位柱(图未示)，当下盖20安装在轴臂80上时，下盖定位柱穿设在上盖定位孔内。
请结合图6及图7，固定组件44包括固定螺丝441和压簧442。固定螺丝441穿设在下盖阶梯孔225内并与上盖10结合。压簧442收容在下盖阶梯孔225内并位于上盖10和下盖20之间，压簧442还套设在固定螺丝441外。
请参阅图2，快装板30包括快装本体31及两个快装凸块32。快装本体31包括快装顶壁311、快装底壁312和快装侧壁313，快装顶壁311和快装底壁312位于快装本体31的相背两侧，快装侧壁313连接快装顶壁311和快装底壁312。快装底壁312开设有凹槽314，快装侧壁313围成凹槽314。本实施方式的凹槽314贯穿第二方向102的两个快装侧壁313。快装侧壁313的围成凹槽314的表面开设有卡槽315，卡槽315的延伸方向与第二方向102平行。两个快装凸块32分别自两个相对的快装侧壁313延伸，具体地，快装凸块32自快装侧壁313的与卡槽315相背的表面向外延伸，快装凸块32的延伸方向垂直于第二方向102。快装凸块32包括远离快装底壁312的凸块顶面321，在快装凸块32自快装侧壁313朝外延伸的方向，凸块顶面321朝快装底壁312倾斜。当快装板30安装在上盖10上时，快装本体31和两个快装凸块32均收容在滑槽111内，此时，快装底壁312与滑槽111的底面相对并抵触，凸块顶面321与滑槽111的侧面抵触。
限位组件43能够拆卸地设置在快装侧壁313及快装凸块32上并部分卡设在卡槽315内。限位螺丝45能够拆卸地设置在快装侧壁313上，当限位组件43和限位螺丝45均设置在快装板30上并且快装板30安装在上盖10上时，限位螺丝45与上盖10分别位于限位组件43的相背两侧。限位组件43和限位螺丝45能够限制快装板30在第二方向102上的移动行程。
请参阅图2、图9及图10，压紧块50包括压块顶面51、压块底面52和压块侧面53，压块顶面51和压块底面52位于压紧块50的相背两侧，压块侧面53连接压块底面52并相对压块底面52倾斜。本实施方式中，压紧块50被垂直于压块底面52和压块侧面53的平 面所截得的截面呈五边形，其中，该五边形由矩形对其中一个角进行倒角得到，压块侧面53对应该倒角。在其他实施方式中，压紧块50被垂直于压块底面52和压块侧面53的平面所截得的截面可以呈直角梯形，其中，压块底面52对应上底边，压块侧面53对应与上底边倾斜的腰。压紧块50收容在容置槽112内并与快装板30抵触，具体地，当压紧块50设置在快装板30上时，压块底面52与容置槽112的底面相对并抵触，压块侧面53与凸块顶面321抵触。
请结合图6及图8，防脱组件42包括防脱螺丝421和压块弹簧422。防脱螺丝421穿设在上盖阶梯孔113内并与压紧块50结合。压块弹簧422收容在上盖阶梯孔113内并位于上盖10和压紧块50之间，压块弹簧422还套设在防脱螺丝421外。
请参阅图2至图4，预紧组件60包括预紧块61和预紧弹性件62。预紧块61包括预紧本体611及两个抵持臂612。两个抵持臂612自预紧本体611的相对两端延伸，预紧本体611及两个抵持臂612共同围成有容纳腔613。抵持臂612包括远离预紧本体611的抵持部6121，抵持部6121的形状与齿槽864的形状相匹配，本实施方式的抵持部6121的外周面为圆弧面。当预紧组件60安装在下盖20上时，预紧块61收容在收容槽223内；预紧本体611位于收容槽侧面2232和限位凸起224之间，限位凸起224收容在容纳腔613内，两个抵持臂612均自收容槽223内伸出至凸台侧面222外，抵持部6121与波浪齿86抵触；预紧弹性件62收容在收容槽223内并位于预紧本体611和收容槽侧面2232之间，具体地，预紧弹性件62的一端与预紧本体611抵持，预紧弹性件62的另一端与收容槽侧面2232抵持。
本实施方式的预紧组件60的数量为两个，两个预紧组件60分别安装在两个收容槽223内；两个预紧组件60分别为第一预紧组件63和第二预紧组件64，沿第一方向101上，两个收容槽223稍微错开，使得第一预紧组件63的预紧块61与第二预紧组件64的预紧块61间隔半个齿宽(齿863的一半齿宽)；第一预紧组件63与第一波浪齿861抵触，第二预紧组件64与第二波浪齿862抵触。本实施方式的齿863的一半齿宽为1mm，在其他实施方式中，一半齿宽也可以为0.5mm、2mm、4mm。当第一预紧组件63的抵持部6121与第一波浪齿861的齿底866抵触时，第二预紧组件64的抵持部6121与第二波浪齿862的齿顶865抵触。在其他实施方式中，当第一波浪齿861的齿顶865与第二波浪齿862的齿底866相对，第一波浪齿861的齿底866与第二波浪齿862的齿顶865相对时，第一预紧组件63的预紧块61与第二预紧组件64的预紧块61可以关于平行于两个内侧壁851的对称面对称，具体地，对称面经过下盖凸台22的中心且平行于内侧壁851；此时，当第一预紧组件63的抵持部6121与第一波浪齿861的齿底866抵触时，第二预紧组件64的抵持部6121与第二波浪齿862的齿顶865抵触。
锁紧组件41包括锁紧柱411和把手412，把手412设置在锁紧柱411的一端。锁紧柱411穿过下盖10、上盖20并与压紧块50结合，把手412设置在下盖20的远离上盖10的一端。
请结合图10，具体地，上盖10开设有上盖通孔103，上盖通孔103贯穿上盖顶面11及上盖底面12并与容置槽112连通；下盖20开设有下盖通孔201，下盖通孔201贯穿下盖底面24及凸台顶面23；压紧块50的压块底面52开设有结合孔54，结合孔54可以贯穿压块底面52和压块顶面51，或者，结合孔54也可以为盲孔。
请结合图2和图10，在将锁紧装置100安装到轴臂80上时，块状本体31和快装凸块32均安装在上盖10的滑槽111内，部分快装凸块32伸入到容置槽112内。压紧块50设置在快装凸块32上并使压块侧面53与凸块顶面321抵触，压紧块50还收容在容置槽112内。上盖10设置在轴臂80上，此时，轴臂顶壁81收容在上盖安装槽121内，上盖安装槽121的底面与轴臂顶壁81抵触，并且上盖安装槽121的侧面与上倒角841抵触。下盖20设置在轴臂80上，此时，轴臂底壁82收容在下盖安装槽231内，下盖安装槽231的底面与轴臂底壁82抵触，下盖安装槽231的侧面与下倒角842抵触，并且下盖凸台22收容在通槽85内，上盖定位柱14穿设在下盖定位孔226内以实现下盖20的定位安装在上盖10上。锁紧柱411的远离把手412的一端依次穿过下盖通孔201、通槽85、上盖通孔103并与结合孔54结合。快装板30、上盖10、轴臂80和下盖20位于压块50和把手412之间。若上盖形成有上盖定位孔，下盖形成有下盖定位柱，则下盖定位柱穿设在上盖定位孔内以实现下盖20的定位安装在上盖10上。
当需要锁紧快装板30、上盖10和下盖20时，旋紧锁紧组件41，此时，快装板30、上盖10、轴臂80和下盖20夹紧在压块50和把手412之间。具体地，压紧块50压紧在快装板30的凸块顶面321上并将快装板30压紧在上盖10上，此时，快装板30相对上盖10固定且快装板30不能够在滑槽111内朝第二方向102滑动。快装板30压紧在上盖10上使得上盖10压紧在轴臂80的轴臂顶壁81上，此时，上盖10相对轴臂80固定且上盖10不能够在轴臂顶壁81上朝第一方向滑动101。把手412将下盖20压紧在轴臂底壁82上，使得下盖20相对轴臂80固定且下盖20不能够在轴臂底壁82上朝第一方向滑动101。
当需要调整锁紧装置100时，旋松锁紧组件41，此时，快装板30能够在滑槽111内沿第二方向102滑动，并且上盖10和下盖20能够相对轴臂80朝第一方向101滑动。具体地，若其中一个预紧组件60的抵持部6121与齿底866抵触时，则预紧组件60与波浪齿86能够保持不动；若两个预紧组件60的抵持部6121均不与齿底866抵触，则预紧组件60会相对波浪齿86滑动；当需要上盖10和下盖20朝第一方向101移动时，上盖10和下盖20能够沿着第一方向101每次移动半个齿宽(齿863的一半齿宽)。
本实施方式的锁紧装置100锁紧的方向与第一方向101垂直，锁紧装置100锁紧的方向还与第二方向102垂直。具体地，锁紧装置100锁紧的方向为：当旋紧锁紧组件41时压紧块50(或上盖10)的移动方向。
本实施方式的云台200和锁紧装置100通过对锁紧组件41的一次锁紧操作就能够同时固定上盖10、下盖20及快装板30，从而能够将负载(例如成像装置301)固定在云台200的轴臂80上，因而，锁紧装置100能够简化负载的安装，提升了负载的安装效率。
本申请的云台200和锁紧装置100通过设置压紧块50，从而便于通过压紧块50将快装板30压紧在滑槽111内。上盖10开设上盖安装槽121，当上盖10设置在轴臂80上时，使轴臂顶壁81收容在上盖安装槽121内，从而能够避免上盖10相对轴臂80发生转动。滑槽111为燕尾槽，快装板30包括两个快装凸块32并且凸块顶面321朝快装底壁312倾斜，因而当压紧块50压紧快装凸块32时，快装板30朝远离压紧块50的一侧滑动，并使远离压紧块50的快装凸块32压紧在滑槽111的侧面上。锁紧装置100通过设置防脱螺丝421，从而当旋松锁紧组件41后，能够避免压紧块50从上盖10和快装板30上脱落下来；锁紧装置100通过设置压块弹簧422，从而当旋松锁紧组件41后，能够避免压紧块50发生晃动。下盖20开设下盖安装槽231，当下盖20设置在轴臂80上时，使轴臂底壁82收容在下盖安装槽231内，从而能够避免下盖20相对轴臂80发生转动。锁紧装置100通过设置固定螺丝441，从而当旋松锁紧组件41后，能够避免下盖20从上盖10上脱落下来；锁紧装置100通过设置压簧442，从而当旋松锁紧组件41后，能够避免下盖20发生晃动。本申请的轴臂80开设通槽85，从而便于下盖20和上盖10连接在一起。当第一预紧组件63的抵持部6121与第一波浪齿861的齿底866抵触时，第二预紧组件64的抵持部6121与第二波浪齿862的齿顶865抵触，当第一预紧组件63的抵持部6121与第一波浪齿861的齿顶865抵触时，第二预紧组件64的抵持部6121与第二波浪齿862的齿底866抵触，从而上盖10和下盖20每移动一次能够移动半个齿宽，提升了上盖10和下盖20的移动精度。
请参阅图11，本申请的云台系统300包括上述所述的云台200和成像装置301。成像装置301安装在快装板30上，具体地，快装板30的快装顶壁311开设有负载安装槽316，成像装置301可以通过安装槽316安装在快装板30上。云台系统300包括无人飞行器、无人船、无人车、手持云台等。
本实施方式的云台系统300中的锁紧装置100通过对锁紧组件41的一次锁紧操作就能够同时固定上盖10、下盖20及快装板30，从而能够将负载(例如成像装置301)固定在云台200的轴臂80上，因而，锁紧装置100能够简化负载的安装，提升了负载的安装效率。
在本说明书的描述中，参考术语“某些实施方式”、“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合所述实施方 式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管上面已经示出和描述了本申请的实施方式，可以理解的是，上述实施方式是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施方式进行变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (32)

  1. 一种云台负载的锁紧装置，所述锁紧装置用于设置在云台的轴臂上，其特征在于，所述锁紧装置包括：
    上盖，所述上盖用于设置在所述轴臂上；
    下盖，所述下盖用于设置在所述轴臂的与所述上盖相背的一侧，所述上盖和所述下盖能够一起沿第一方向运动；
    快装板，所述快装板用于安装负载，所述快装板设置在所述上盖的远离所述下盖的一侧，所述快装板能够在所述上盖上沿第二方向运动；及
    锁紧组件，所述锁紧组件穿过所述下盖和所述上盖，当旋紧所述锁紧组件后，所述上盖与所述下盖锁紧并用于固定于所述轴臂上，所述快装板与所述上盖锁紧并固定于所述上盖上。
  2. 根据权利要求1所述的锁紧装置，其特征在于，所述锁紧装置还包括压紧块，所述压紧块设置在所述快装板上并与所述锁紧组件结合，所述压紧块用于压紧所述快装板。
  3. 根据权利要求2所述的锁紧装置，其特征在于，所述压紧块设置在所述上盖的远离所述下盖的一侧，当旋紧所述锁紧组件后，所述压紧块将所述快装板压紧在所述上盖上，以及将所述上盖和所述下盖压紧在所述轴臂上。
  4. 根据权利要求2所述的锁紧装置，其特征在于，所述锁紧装置还包括防脱组件，所述防脱组件包括防脱螺丝，所述防脱螺丝穿过所述上盖并与所述压紧块结合。
  5. 根据权利要求4所述的锁紧装置，其特征在于，所述上盖包括上盖顶面，所述上盖顶面开设有容置槽，所述容置槽的底部开设有上盖阶梯孔，所述防脱组件还包括压块弹簧，所述压块弹簧设置在所述上盖与所述压紧块之间并收容在所述上盖阶梯孔内，所述防脱螺丝穿设在所述上盖阶梯孔及所述压块弹簧内并与所述压紧块结合。
  6. 根据权利要求2所述的锁紧装置，其特征在于，所述锁紧组件包括锁紧柱及设置在所述锁紧柱一端的把手，所述锁紧柱穿过所述下盖、所述上盖并与所述压紧块结合，所述把手设置在所述下盖的远离所述上盖的一端。
  7. 根据权利要求1所述的锁紧装置，其特征在于，所述上盖包括上盖底面，所述上盖底面开设有上盖安装槽，所述上盖安装槽用于收容所述轴臂的顶壁。
  8. 根据权利要求7所述的锁紧装置，其特征在于，所述上盖安装槽贯穿所述上盖的两侧，所述上盖安装槽被垂直于所述第一方向的平面截得的截面呈梯形；所述上盖安装槽的底面及所述上盖安装槽的侧面均用于与所述轴臂的外表面抵触。
  9. 根据权利要求1所述的锁紧装置，其特征在于，所述上盖包括上盖顶面，所述上盖顶面开设有滑槽，所述快装板安装在所述滑槽内，当旋松所述锁紧组件后，所述快装板能够在所述滑槽内沿所述第二方向运动。
  10. 根据权利要求9所述的锁紧装置，其特征在于，所述滑槽为燕尾槽，所述快装板包括快装本体及两个快装凸块，两个所述快装凸块分别自所述快装本体的相对两个快装侧壁延伸，所述快装本体及所述快装凸块均收容在所述滑槽内。
  11. 根据权利要求10所述的锁紧装置，其特征在于，所述快装凸块包括远离所述滑槽的底面的凸块顶面，在所述快装凸块自所述快装侧壁朝外延伸的方向，所述凸块顶面朝所述滑槽的底面倾斜，所述凸块顶面与所述滑槽的侧面抵触。
  12. 根据权利要求11所述的锁紧装置，其特征在于，所述锁紧装置还包括压紧块，所述上盖顶面开设有与所述滑槽连通的容置槽，所述压紧块收容在所述容置槽内并与所述快装板抵触。
  13. 根据权利要求12所述的锁紧装置，其特征在于，所述压紧块包括压块底面及压块侧面，所述压块底面与所述容置槽的底面相对，所述压块侧面连接所述压块底面并相对所述压块底面倾斜，所述压块侧面与所述凸块顶面抵触。
  14. 根据权利要求10所述的锁紧装置，其特征在于，所述快装本体包括快装底壁，所述快装底壁开设有凹槽，所述快装本体包括围成所述凹槽的快装侧壁，所述快装凸块设置在所述快装侧壁的远离所述凹槽的一侧，所述快装侧壁的与所述快装凸块相背的表面开设有与所述凹槽连通的卡槽；所述锁紧装置还包括限位组件，所述限位组件设置在所述快装侧壁及所述快装凸块上并卡设在所述卡槽内。
  15. 根据权利要求14所述的锁紧装置，其特征在于，所述锁紧装置还包括限位螺丝，所述限位螺丝设置在所述快装侧壁上，所述限位螺丝与所述上盖分别位于所述限位组件的相背两侧。
  16. 根据权利要求1所述的锁紧装置，其特征在于，所述下盖包括下盖顶面，所述下盖顶面开设有下盖安装槽，所述下盖安装槽用于收容所述轴臂的底壁。
  17. 根据权利要求16所述的锁紧装置，其特征在于，所述下盖安装槽贯穿所述下盖的两侧，所述下盖安装槽被垂直于所述第一方向的平面截得的截面呈梯形；所述下盖安装槽的底面及所述下盖安装槽的侧面均用于与所述轴臂的外表面抵触。
  18. 根据权利要求1所述的锁紧装置，其特征在于，所述轴臂开设有通槽；所述下盖包括下盖本体及设置在所述下盖本体上的下盖凸台，所述下盖凸台收容在所述通槽内，所述锁紧组件穿过所述下盖本体、所述下盖凸台和所述上盖。
  19. 根据权利要求18所述的锁紧装置，其特征在于，所述锁紧装置还包括固定组件，所述固定组件包括固定螺丝，所述固定螺丝穿设在所述下盖本体及所述下盖凸台上并与所述上盖结合。
  20. 根据权利要求19所述的锁紧装置，其特征在于，所述下盖凸台开设有下盖阶梯孔，所述固定组件还包括压簧，所述压簧设置在所述下盖凸台与所述上盖之间并收容在所述下盖阶梯孔内，所述固定螺丝穿设在所述下盖阶梯孔及所述压簧内并与所述上盖结合。
  21. 根据权利要求18所述的锁紧装置，其特征在于，所述下盖凸台开设有下盖定位孔，所述上盖包括上盖底面，所述上盖包括自所述上盖底面凸出形成的上盖定位柱，所述上盖定位柱穿设在所述下盖定位孔内；和/或
    所述下盖还包括自所述下盖凸台凸出形成的下盖定位柱，所述上盖包括上盖底面，所述上盖底面开设有上盖定位孔，所述下盖定位柱穿设在所述上盖定位孔内。
  22. 根据权利要求18所述的锁紧装置，其特征在于，所述通槽的内侧壁上形成有 波浪齿，所述锁紧装置还包括预紧组件，所述预紧组件包括预紧块及预紧弹性件，所述预紧弹性件设置在所述预紧块与所述下盖凸台之间，所述预紧块的一端与波浪齿抵触，所述预紧块的另一端与所述预紧弹性件抵触。
  23. 根据权利要求22所述的锁紧装置，其特征在于，所述下盖凸台包括凸台顶面及与所述通槽的内侧壁相对的凸台侧面，所述凸台顶面开设有贯穿所述凸台侧面的收容槽，所述收容槽包括与所述凸台侧面相对的收容槽侧面；所述预紧块收容在所述收容槽内，所述预紧弹性件收容在所述收容槽内，所述预紧弹性件的两端分别与所述收容槽侧面及所述预紧块抵触。
  24. 根据权利要求23所述的锁紧装置，其特征在于，所述收容槽还包括远离所述凸台顶面的收容槽底面，所述下盖凸台还包括自收容槽底面延伸的限位凸起；所述预紧块包括预紧本体及两个抵持臂，两个所述抵持臂自所述预紧本体的相对两端延伸，所述预紧本体及两个所述抵持臂共同围成有容纳腔，所述预紧本体位于所述收容槽侧面与所述限位凸起之间，所述限位凸起收容在所述容纳腔内，两个所述抵持臂自所述凸台侧面伸出至所述收容槽外并与所述波浪齿抵触。
  25. 根据权利要求24所述的锁紧装置，其特征在于，所述波浪齿包括间隔设置的多个齿，相邻的两个所述齿之间形成一个齿槽，所述抵持臂的远离所述预紧本体的表面与所述齿槽的形状相匹配。
  26. 根据权利要求25所述的锁紧装置，其特征在于，所述通槽包括两个相互平行并相对的内侧壁，两个所述内侧壁均形成有所述波浪齿；所述预紧组件的数量为两个，两个所述预紧组件分别设置在所述下盖凸台的相对两端并分别与两个所述波浪齿抵触。
  27. 根据权利要求26所述的锁紧装置，其特征在于，两个所述波浪齿分别定义为第一波浪齿及第二波浪齿，所述第一波浪齿的齿顶与所述第二波浪齿的齿顶相对，所述第一波浪齿的齿底与所述第二波浪齿的齿底相对，沿所述第一方向上，两个所述预紧块间隔所述齿的半个齿宽；或
    两个所述波浪齿分别定义为第一波浪齿及第二波浪齿，所述第一波浪齿的齿顶与所述第二波浪齿的齿底相对，所述第一波浪齿的齿底与所述第二波浪齿的齿顶相对，两个所述预紧块关于平行于两个所述内侧壁的对称面对称。
  28. 一种云台，其特征在于，包括：
    轴臂；及
    权利要求1至27任意一项所述的锁紧装置，所述锁紧装置设置在所述轴臂上。
  29. 根据权利要求28所述的云台，其特征在于，所述第一方向与所述第二方向相互垂直。
  30. 根据权利要求28所述的云台，其特征在于，所述锁紧装置锁紧的方向与所述第一方向垂直；所述锁紧装置锁紧的方向与所述第二方向垂直。
  31. 根据权利要求28所述的云台，其特征在于，所述第一方向包括所述轴臂延伸的方向。
  32. 一种云台系统，其特征在于，所述云台系统包括：
    权利要求28至31任意一项所述的云台；及
    成像装置，所述成像装置安装在所述快装板上。
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