WO2023221205A1 - 一种无配重式车载摇臂的传动结构 - Google Patents

一种无配重式车载摇臂的传动结构 Download PDF

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Publication number
WO2023221205A1
WO2023221205A1 PCT/CN2022/097935 CN2022097935W WO2023221205A1 WO 2023221205 A1 WO2023221205 A1 WO 2023221205A1 CN 2022097935 W CN2022097935 W CN 2022097935W WO 2023221205 A1 WO2023221205 A1 WO 2023221205A1
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WIPO (PCT)
Prior art keywords
electric cylinder
servo electric
balance
arm
swing arm
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PCT/CN2022/097935
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English (en)
French (fr)
Inventor
骆耀珑
付正
王义领
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深圳市铁头科技有限公司
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Publication of WO2023221205A1 publication Critical patent/WO2023221205A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • 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
    • 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
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • 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
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand

Definitions

  • the utility model relates to the technical field of photographic equipment, and in particular to a transmission structure of a weightless vehicle-mounted rocker arm.
  • the vehicle-mounted crane is a large-scale photographic equipment used in the filming of TV series, movies, advertisements and other large-scale film and television works. It can capture all-round moving scenes such as car chases, characters running, and horseback riding during shooting to achieve high-speed movement. Shooting and framing.
  • the existing vehicle-mounted film and television shooting rocker technology is mostly large-scale rocker equipment, and the arm body cannot be quickly disassembled; behind the pitch axis of the rocker arm, there is a counterweight rod more than 1 meter long to balance the front and rear center of gravity.
  • the shooting environment is affected Due to the width limitation, when the rocker arm rotates left and right, the rear counterweight bar can easily hit obstacles on the side of the vehicle body.
  • patent application 202120982923.7 discloses an ultra-low-height weightless vehicle-mounted rocker shooting system, which includes a base, a rotating part, a rocker arm and a shock-absorbing part.
  • the rotating part includes a shell, a frame, Counterweight, servo electric cylinder, motor, small gear and large gear.
  • the servo electric cylinder is connected to the quick docking structure through the clamping piece.
  • the quick docking structure is connected to the rocker arm.
  • the other end of the rocker arm is connected to the pan/tilt through the shock absorbing part.
  • the camera mounting plate is connected, and the shock-absorbing part includes a shock-absorbing spring and a universal joint structure composed of a pitch damping rod and a left and right swing damping rod.
  • a gas spring is used to assist the servo electric cylinder and reduce the force on the servo electric cylinder.
  • the big arm can be used without balancing the center of gravity, thus eliminating the need for counterweight settings and making it easier for users to assemble and transport. , and not easily affected by obstacles around the shooting environment.
  • the main function of the servo electric cylinder is that the servo electric cylinder is assembled from several structures.
  • the servo electric cylinder needs to support the rocker arm and control the movement of the rocker arm, so the servo electric cylinder
  • the cylinder needs to perform tensile movements countless times.
  • this structure Under the action of long-term tension, this structure will cause damage to the bolts and other structures at the connecting parts, resulting in structural damage, thus affecting the quality and service life of the equipment; and shooting
  • the movement of the vehicle When the system is installed on a vehicle, the movement of the vehicle will cause bumps to the equipment, making the force of the servo cylinder unbalanced and easily causing structural damage to the servo cylinder, thus affecting the service life of the servo cylinder.
  • the primary purpose of this utility model is to provide a transmission structure of a weightless vehicle-mounted rocker arm.
  • the support structure is improved by the structure of the servo electric cylinder, so that the previous stretching motion becomes a push-pull motion. It can well protect the structure of the servo electric cylinder, improve the safety of the equipment, and help extend the service life of the servo electric cylinder.
  • Another object of the present invention is to provide a transmission structure for a vehicle-mounted rocker arm without a counterweight.
  • the structure is provided with a balance pull rod to cause the servo electric cylinder to generate thrust, and provides a stable thrust through the gas spring.
  • the arm is pulled through the balance pull rod. body to balance the weight of the load on the front end of the arm body to achieve a trimming effect.
  • a transmission structure of a weightless vehicle-mounted rocker arm including a servo electric cylinder and a balance pull rod assembly.
  • the servo electric cylinder is arranged on the main structural frame and is connected to the balance pull rod assembly to push the balance pull rod assembly.
  • the balance pull rod assembly Connected to the arm body butt piece, the arm body butt piece is connected to the rocker arm, the rocker arm support structure also includes a gas spring, the gas spring is arranged on the side of the servo electric cylinder and is connected to the balance pull rod assembly, The gas spring provides thrust to the balance pull rod assembly, so that the load weight at the front end of the rocker arm can be balanced by the gas spring; the servo electric cylinder is connected to the arm body docking part through the balance pull rod assembly, and the arm body docking part pulls the rocker arm to move. , thereby causing the servo electric cylinder to change the direction of movement and changing the servo electric cylinder force from tension to thrust.
  • the destructiveness of the tension servo electric cylinder structure can be avoided, and the servo electric cylinder can be well protected.
  • the structure improves the safety of the equipment and is conducive to extending the service life of the servo electric cylinder.
  • the balance tie rod assembly includes a front swing arm, a rear swing arm and a balance tie rod.
  • the front swing arm is arranged on the existing arm body docking part.
  • One end of the balance tie rod is hinged to the front swing arm, and the other end is hinged to the rear swing arm.
  • the front swing arm and the rear swing arm are arranged in parallel, and there are two balance tie rods, and the two balance tie rods are arranged in parallel.
  • the two balance tie rods form a parallelogram with the front swing arm and the rear swing arm. It can stably transmit the force of the servo electric cylinder to the rocker arm.
  • the front swing arm has two fulcrums for balancing the tie rod
  • the rear swing arm has a tie rod fulcrum for balancing the tie rod.
  • the four fulcrums of the front swing arm and the rear swing arm form a parallelogram structure.
  • the parallelogram structure ensures that the movement angles of the front and rear swing arms are consistent, making the servo
  • the thrust of the electric cylinder can act evenly on the front swing arm.
  • the servo electric cylinder drives the movement of the rear swing arm, and drives the movement of the front swing arm through the balance rod.
  • the force direction of the electric cylinder is changed, and when the vehicle rocker arm is in the When driving on bumpy roads, the force direction of the servo electric cylinder is inward thrust, which can better withstand the impact force produced by inertia and improve the safety factor of the equipment.
  • one end of the gas spring is arranged on the main structural frame or on the base of the servo electric cylinder, and is connected to the rear swing arm, so that the rear swing arm is pushed through the gas spring, and the rocker arm is pulled through the balance pull rod to balance the rocker.
  • the weight of the load on the front end of the arm body is balanced by the gas spring, so that the force exerted by the servo electric cylinder is reduced.
  • the output direction of normal gas springs is mostly thrust, and the technology is mature, considering using its thrust in turn can protect the structure of the gas spring and improve the safety and life of the gas spring.
  • gas springs which are respectively arranged on both sides of the servo electric cylinder to have a balanced force on the balance pull rod, and the two gas springs can have sufficient thrust to balance the load on the front end of the arm body. weight.
  • the specificity of this utility model is to use a servo electric cylinder to connect to the balance tie rod assembly, and use the thrust of the servo electric cylinder to push the balance tie rod assembly.
  • the balance tie rod assembly then acts on the rocker arm through the arm body butt joint.
  • the servo electric cylinder changes the direction of movement, and the pull force Change to thrust, by changing the force-bearing structure of the servo electric cylinder, avoiding the destructiveness of the tension servo electric cylinder structure, it can well protect the structure of the servo electric cylinder, improve the safety of the equipment, and extend the service life of the servo electric cylinder.
  • Figure 1 is a schematic structural diagram of the utility model.
  • Figure 2 is a schematic diagram of the operation of the utility model when the rocker arm is raised.
  • Figure 3 is a side view of the utility model in action when the rocker arm is raised.
  • Figure 4 is a schematic diagram of the action of the utility model when the rocker arm is lowered.
  • Figure 5 is a side view of the utility model in action when the rocker arm is lowered.
  • the servo cylinder 3 is arranged with the main structural frame. 6, and is connected to the balance tie rod assembly 4, pushing the balance tie rod assembly 4, the balance tie rod assembly 4 is connected to the arm body docking part 2, and the arm body docking part 2 is connected to the rocker arm 1.
  • the servo electric cylinder 3 acts on the arm docking part 2 through the balance pull rod assembly 4, and the arm docking part 2 pulls the rocker arm 1 to move.
  • the servo electric cylinder 3 faces away from the rocker arm 1, and the force generated by the servo electric cylinder 3 is thrust.
  • the reaction force generated by the rocker arm 1 on the servo cylinder 2 is the pressure on the servo cylinder 3, which changes the force-bearing structure of the servo cylinder, avoids the destructiveness of the tension servo cylinder 3 structure, and can protect it well
  • the structure of the servo electric cylinder improves the safety of the equipment.
  • the balance tie rod assembly 4 includes a front swing arm 42, a rear swing arm 43 and a balance tie rod 41.
  • the front swing arm 42 passes through the front swing arm shaft on the existing arm body docking part 2.
  • the sleeve 21 is connected to the arm body connecting piece 2
  • the rear swing arm 43 is hinged to the push rod support arm 8 (the push rod support arm 8 is movably connected to the mounting rod 9)
  • one end of the balance pull rod 41 is hinged to the front swing arm 42
  • the other end is hinged to the front swing arm 42.
  • the front swing arm 42 and the rear swing arm 42 are arranged in parallel.
  • the balance rod 41 forms a parallelogram with the front swing arm 42 and the rear swing arm 43 .
  • the front swing arm 42 there are two fulcrums of the balance tie rod 41.
  • the rear swing arm 43 has the tie rod fulcrum of the balance tie rod 41.
  • the four fulcrums of the front swing arm and the rear swing arm form a parallelogram structure, and the parallelogram structure.
  • the servo electric cylinder 3 pushes the rear swing arm 43 to move, and the rear swing arm 43 drives the front swing arm 42 to move through the balance rod 41.
  • the front swing arm 42 then pushes the arm body docking part 2, and the arm body docking part 2.
  • Drive rocker arm 1 to perform upgrading movement. Through this structure, the force direction of the electric cylinder is changed.
  • the advantage is that when the vehicle-mounted rocker arm is driving on a bumpy road, the force direction of the servo electric cylinder is inward thrust, which can better withstand the impact force produced by inertia and improve Equipment safety factor.
  • the utility model also includes a gas spring 5.
  • the gas spring 5 is arranged on the side of the servo cylinder 3 and is connected to the balance pull rod assembly 4.
  • the gas spring 4 mainly provides thrust to Balance the tie rod assembly 4 so that the load weight at the front end of the rocker arm can be balanced through the gas spring 5.
  • the gas spring 5 is hinged to the servo electric cylinder base bearing 31 and connected to the rear swing arm 43.
  • the rear swing arm 43 is pushed through the gas spring 5, and the rocker arm is pulled through the balance pull rod to balance the front end of the rocker arm body.
  • the gas spring balances the force of the front arm body, so that the force exerted by the servo electric cylinder is reduced.
  • the tension of the gas spring is quite small, and long-term use can easily cause structural damage.
  • using its thrust can provide thrust, protect the structure of the gas spring, and improve the safety and life of the gas spring. .
  • one end of the gas spring 5 can be arranged on the main structural frame 6 and connected to the rear swing arm 43, which also has the function of balancing the physical strength of the front arm, while protecting the gas spring structure and improving the use of the gas spring. Safety and longevity.
  • two gas springs 5 are provided, respectively arranged on both sides of the servo electric cylinder 3, so as to have a balanced force on the balance rod 41, and the two gas springs 5 can have sufficient The thrust can balance the weight of the load on the front end of the arm.
  • rocker arm 1 Under normal circumstances, the actual operating angle requirements of rocker arm 1 are: 45° upward and 30° downward.
  • rocker arm 1 and the arm body connecting piece 2 are existing technologies and will not be described again here.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

一种无配重式车载摇臂的传动结构，包括有伺服电缸、平衡拉杆组件，所述伺服电缸设置于主体结构框架上，并连接于平衡拉杆组件，推动平衡拉杆组件，平衡拉杆组件连接于臂体对接件，所述伺服电缸通过平衡拉杆组件作用于臂体对接件；所述摇臂支撑结构包括有气弹簧，所述气弹簧设置于伺服电缸的侧部，并连接于所述平衡拉杆组件，通过伺服电缸带动平衡拉杆组件作用于臂体对接件，伺服电缸改变运动方向，伺服电缸的作用力由拉力改变为推力，改变了伺服电缸的受力结构，避免拉力伺服电缸结构的破坏性，能够很好地保护伺服电缸的结构，提高设备的安全性，提高了伺服电缸的使用寿命。

Description

一种无配重式车载摇臂的传动结构 技术领域
本实用新型涉及摄影器材技术领域，尤其涉及一种无配重式车载摇臂的传动结构。
背景技术
车载摇臂是拍摄电视剧、电影、广告等大型影视作品中用到的一种大型摄影器材，主要在拍摄的时候能够全方位的拍摄到汽车追逐，人物奔跑，骑马等移动场景，实现高速移动中拍摄取景。
目前，现有的车载影视拍摄摇臂技术多为大型摇臂器材，臂体不可快速拆卸；摇臂的俯仰轴大臂后方有1米以上长的配重杆配平前后重心，拍摄时受拍摄环境宽度的限制，摇臂左右转动时，后方的配重杆容易磕碰到车体侧方障碍物。
因此，专利申请202120982923.7公开了一种超低高度无配重的车载摇臂拍摄系统，包括底座、旋转部分、摇臂和减震部分，所述的旋转部分包括设置在底座上方的外壳、框架、配重块、伺服电缸、电机、小齿轮和大齿轮，伺服电缸通过夹持件与快速对接结构相连接，快速对接结构与摇臂相连接，摇臂另一端通过减震部分与云台相机挂载板相连接，减震部分包括减震弹簧以及由仰俯阻尼杆和左右摆动阻尼杆组成的万向节结构。
在该专利申请中通过气弹簧对伺服电缸起到助力作用，减小伺服电缸的受力，这样无需给大臂配平重心即可使用，从而取消了配重设置，能够方便用户组装及运输，以及不易受拍摄环境四周障碍物影响，然而，伺服电缸的作用主要在于伺服电缸是由若干结构组装而成，伺服电缸需要对摇臂进行支撑并控制 摇臂的运动，因此伺服电缸需要无数次地进行拉伸运动，这种结构在长期受到拉力的作用下，会导致连接部位的螺栓等结构产生损伤，从而导致结构的破坏，由此影响设备的质量和使用寿命；且拍摄系统的安装在车辆上进行工作的，车辆的运动会给设备带来颠簸，使伺服电缸的作用力不均衡，容易造成伺服电缸的结构损坏，从而影响伺服电缸的使用寿命。
实用新型内容
为解决上述问题，本实用新型的首要目的在于提供一种无配重式车载摇臂的传动结构，该支撑结构通过伺服电缸的结构改进，使其从以前的拉伸运动变成推拉运动，能够很好地保护伺服电缸的结构，提高设备的安全性，有利于提高伺服电缸的使用寿命。
本实用新型的另一个目的在于提供一种无配重式车载摇臂的传动结构，该结构设置平衡拉杆来使伺服电缸产生推力，并通过气弹簧提供一个稳定的推力，通过平衡拉杆拉动臂体，平衡臂体前端负载的重量，从而达到配平的效果。
为实现上述目的，本实用新型的技术方案如下。
一种无配重式车载摇臂的传动结构，包括有伺服电缸、平衡拉杆组件，所述伺服电缸设置与主体结构框架上，并连接于平衡拉杆组件，推动平衡拉杆组件，平衡拉杆组件连接于臂体对接件，臂体对接件连接于摇臂，所述摇臂支撑结构还包括有气弹簧，所述气弹簧设置于伺服电缸的侧部，并连接于所述平衡拉杆组件，气弹簧提供给平衡拉杆组件推力，这样通过气弹簧能够平衡摇臂前端的负载重量；所述伺服电缸连接有通过平衡拉杆组件作用于臂体对接件，臂体对接件则拉动摇臂进行运动，从而使伺服电缸改变运动方向，将伺服电缸作用力由拉力改变为推力，通过改变伺服电缸的受力结构，避免拉力伺服电缸结构的破坏性，能够很好地保护伺服电缸的结构，提高设备的安全性，有利于提高伺服电缸的使用寿命。
进一步，平衡拉杆组件包括有前摆臂、后摆臂及平衡拉杆，前摆臂设置于 现有的臂体对接件上，平衡拉杆一端铰接于前摆臂，另一端铰接于后摆臂。
更进一步，所述前摆臂、后摆臂平行设置，所述平衡拉杆具有两个，且两个平衡拉杆平行设置，这样，两个平衡拉杆与前摆臂、后摆臂形成一个平行四边形，能够将伺服电缸的作用力稳定地传递给摇臂。
前摆臂具有平衡拉杆的两个支点，后摆臂具有平衡拉杆的拉杆支点，这样前摆臂与后摆臂四个支点形成平行四边形结构，平行四边形结构保证前后摆臂运动角度一致，使伺服电缸的推力能够均衡地作用于前摆臂上，伺服电缸推动后摆臂运动，通过平衡拉杆带动前摆臂运动；通过这种结构改变电缸的的受力方向，在车载摇臂在颠簸路面行驶时，伺服电缸受力方向为向内的推力，可以更好的承受因惯性产出的冲击力，提高设备安全系数。
进一步，所述气弹簧的一端设置于主体结构框架上或者设置在伺服电缸的底座上，并连接于后摆臂，这样通过气弹簧，推动后摆臂，通过平衡拉杆拉动摇臂，平衡摇臂臂体前端负载的重量，气弹簧把前面臂体的力平衡掉，这样伺服电缸施力就得以减小。考虑到正常气弹簧的出力方向多为推力，技术成熟，考虑反过来利用其推力，则能够保护气弹簧结构，提高气弹簧的使用安全性和寿命。
更进一步，所述气弹簧设置有两个，分别设置在伺服电缸的两侧，以对平衡拉杆具有平衡的作用力，且两个气弹簧能够具有足够的推力，能够平衡臂体前端负载的重量。
本实用新型的有益效果在于：
本实用新型的特定是利用伺服电缸连接于平衡拉杆组件，利用伺服电缸的推力推动平衡拉杆组件，平衡拉杆组件再通过臂体对接件作用于摇臂，伺服电缸改变运动方向，由拉力改变为推力，通过改变伺服电缸的受力结构，避免拉力伺服电缸结构的破坏性，能够很好地保护伺服电缸的结构，提高设备的安全性，提高伺服电缸的使用寿命。
附图说明
图1为本实用新型的结构示意图。
图2为本实用新型在摇臂上升时动作示意图。
图3为本实用新型在摇臂上升时动作侧视图。
图4为本实用新型在摇臂下降时动作示意图。
图5为本实用新型在摇臂下降时动作侧视图。
图中，1、摇臂，2、臂体对接件，3、伺服电缸，4、平衡拉杆组件，5、气弹簧，6、主体结构框架，7、钢丝绳撑杆，8、推杆支撑臂，9、安装杆；21、前摆臂轴套，31、伺服电缸底座轴承，32、伺服电缸推杆轴承，41，平衡拉杆，42、前摆臂，43、后摆臂。
具体实施方式
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
如图1～图5所示，为本实用新型所实现的无配重式车载摇臂的传动结构，包括有伺服电缸3、平衡拉杆组件4，其中，伺服电缸3设置与主体结构框架6上，并连接于平衡拉杆组件4，推动平衡拉杆组件4，平衡拉杆组件4连接于臂体对接件2，臂体对接件2连接于摇臂1。伺服电缸3通过平衡拉杆组件4作用于臂体对接件2，臂体对接件2则拉动摇臂1进行运动，伺服电缸3背向摇臂1，伺服电缸3产生的作用力为推力，摇臂1对伺服电缸2产生的反作用力为对伺服电缸3的压力，这样就改变了伺服电缸的受力结构，避免拉力伺服电缸3结构的破坏性，能够很好地保护伺服电缸的结构，提高设备的安全性。
结合图2-图3，具体地说，平衡拉杆组件4包括有前摆臂42、后摆臂43及平衡拉杆41，前摆臂42通过现有的臂体对接件2上的前摆臂轴套21连接于臂体对接件2，后摆臂43铰接于推杆支撑臂8上(推杆支撑臂8活动连接于安 装杆9)，平衡拉杆41一端铰接于前摆臂42，另一端铰接于后摆臂42。
前摆臂42与后摆臂42平行设置，同时，平衡拉杆41具有两个，分别铰接于前摆臂42与后摆臂42的端部，且两个平衡拉杆41平行设置，这样，两个平衡拉杆41与前摆臂42、后摆臂43形成一个平行四边形。
对于前摆臂42来说，具有平衡拉杆41的两个支点，同样，后摆臂43具有平衡拉杆41的拉杆支点，这样前摆臂与后摆臂四个支点形成平行四边形结构，平行四边形结构保证前后摆臂运动角度一致，伺服电缸3推动后摆臂43运动，后摆臂43通过平衡拉杆41带动前摆臂42运动，前摆臂42再推动臂体对接件2，臂体对接件2带动摇臂1进行升级运动。通过这种结构改变电缸的的受力方向，优势是车载摇臂在颠簸路面行驶时，伺服电缸受力方向为向内的推力，可以更好的承受因惯性产出的冲击力，提高设备安全系数。
本实用新型还包括有气弹簧5，结合图2、图4所示，气弹簧5设置于伺服电缸3的侧部，并连接于所述平衡拉杆组件4，气弹簧4主要是提供推力给平衡拉杆组件4，这样通过气弹簧5能够平衡摇臂前端的负载重量。
具体地说，气弹簧5铰接于伺服电缸底座轴承31上，并连接于后摆臂43，这样通过气弹簧5，推动后摆臂43，通过平衡拉杆拉动摇臂，平衡摇臂臂体前端负载的重量，气弹簧把前面臂体的力平衡掉，这样伺服电缸施力就得以减小。考虑到气弹簧由于结构限制，其拉力相当较小，长期使用容易导致结构受损，反过来利用其推力，则能够很好地提供推力，保护气弹簧结构，提高气弹簧的使用安全性和寿命。
在其它是实现方式中，气弹簧5的一端可以设置于主体结构框架6上，并连接于后摆臂43，同样具有平衡前面臂体力的作用，同时能够保护气弹簧结构，提高气弹簧的使用安全性和寿命。
为了具有更好的作用，一般情况下，气弹簧5设置有两个，分别设置在伺服电缸3的两侧，以对平衡拉杆41具有平衡的作用力，且两个气弹簧5能够具有足够的推力，能够平衡臂体前端负载的重量。
图2所示，当摇臂1上升时，伺服电缸2产生推力，通过并通过其端部的伺服电缸推杆轴承32推动后摆臂43运动，后摆臂43则向后拉动平衡拉杆41，平衡拉杆41带动前摆臂42向后移动，前摆臂42拉动臂体对接件2，臂体对接件2带动摇臂1向上上升。
图4所示，当摇臂1需要下降时，摇臂1下俯时，伺服电缸2收缩，拉动后摆臂43，后摆臂43则向前拉动平衡拉杆41，平衡拉杆41推动前摆臂42向前移动，这样，通过平衡拉杆41推动前摆臂42，前摆臂42推动臂体对接件2，让摇臂1下垂，达到图4所示状态。
通常情况下，摇臂1实际运行角度需求：上仰45°，下俯：30°。
所述的摇臂1、臂体对接件2是现有技术，在此不再赘述。
以上仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (6)

  1. 一种无配重式车载摇臂的传动结构，其特征在于包括有伺服电缸、平衡拉杆组件，所述伺服电缸设置与主体结构框架上，并连接于平衡拉杆组件，推动平衡拉杆组件，平衡拉杆组件连接于臂体对接件，所述伺服电缸连接有通过平衡拉杆组件作用于臂体对接件；所述摇臂支撑结构包括有气弹簧，所述气弹簧设置于伺服电缸的侧部，并连接于所述平衡拉杆组件。
  2. 根据权利要求1所述的无配重式车载摇臂的传动结构，其特征在于平衡拉杆组件包括有前摆臂、后摆臂及平衡拉杆，前摆臂设置于现有的臂体对接件上，平衡拉杆一端铰接于前摆臂，另一端铰接于后摆臂。
  3. 根据权利要求2所述的无配重式车载摇臂的传动结构，其特征在于：所述前摆臂、后摆臂平行设置，所述平衡拉杆具有两个，且两个平衡拉杆平行设置，两个平衡拉杆与前摆臂、后摆臂形成一个平行四边形。
  4. 根据权利要求1所述的无配重式车载摇臂的传动结构，其特征在于：所述气弹簧设置于主体结构框架上，并连接于后摆臂。
  5. 根据权利要求1所述的无配重式车载摇臂的传动结构，其特征在于：所述气弹簧设置于伺服电缸的底座上，并连接于后摆臂。
  6. 根据权利要求4或5所述的无配重式车载摇臂的传动结构，其特征在于：所述气弹簧设置有两个，分别设置在伺服电缸的两侧。
PCT/CN2022/097935 2022-05-19 2022-06-09 一种无配重式车载摇臂的传动结构 WO2023221205A1 (zh)

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JPH07126000A (ja) * 1993-11-08 1995-05-16 Nitto Kohki Co Ltd 荷役装置の流れ防止装置
CN201723633U (zh) * 2010-07-01 2011-01-26 深圳市蓝韵实业有限公司 一种可调式连杆支撑装置
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