WO2022252566A1 - 一种垂直移动机构及高空作业车 - Google Patents

一种垂直移动机构及高空作业车 Download PDF

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Publication number
WO2022252566A1
WO2022252566A1 PCT/CN2021/139126 CN2021139126W WO2022252566A1 WO 2022252566 A1 WO2022252566 A1 WO 2022252566A1 CN 2021139126 W CN2021139126 W CN 2021139126W WO 2022252566 A1 WO2022252566 A1 WO 2022252566A1
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Prior art keywords
column
support beam
lifting support
movement mechanism
vertical movement
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PCT/CN2021/139126
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English (en)
French (fr)
Inventor
李希平
刘国良
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湖南星邦智能装备股份有限公司
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Publication of WO2022252566A1 publication Critical patent/WO2022252566A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Definitions

  • the present application relates to the technical field of aerial work equipment, and in particular to a vertical movement mechanism and an aerial work vehicle.
  • the high-altitude operation vehicle lifts people or objects to a predetermined position in the air for high-altitude operations through the rotation of the turntable, the amplitude change and the expansion and contraction of the boom.
  • the most end of the jib is equipped with a working bar that can work in the working position, and the working bar is used to carry people or objects.
  • the accuracy of the working position is high, it is necessary to deliver the working column to the designated position quickly and accurately.
  • the single amplitude-changing and telescopic movements of the boom cannot make the working column reach the designated position quickly and accurately. Only through the control algorithm, the amplitude-changing and telescopic can be used as a combined action in order to achieve.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a vertical moving mechanism and an aerial work vehicle, which can quickly, accurately and safely deliver the work column to the designated work position.
  • the present invention provides a vertical movement mechanism, comprising: a workbar installation frame, an arm frame connection frame, a column, a rolling assembly, and a driving assembly.
  • the working column mounting frame is used to carry the working column of the aerial work vehicle;
  • the boom connecting frame is used to connect the boom of the aerial working vehicle;
  • the column is connected to the boom connecting frame;
  • the rolling assembly is arranged on On the column, the working column mounting frame is rollingly connected to the column through the rolling assembly;
  • the driving assembly is used to drive the working column mounting frame to perform vertical lifting movement.
  • the driving component can drive the working column mounting frame to carry out vertical lifting movement, so that the working column fixed on the working column mounting frame can be quickly and accurately delivered to the designated working position, and the arm frame is in the process of conveying Do not move, so that when the aerial work vehicle is working in a narrow working space, the boom is not easy to collide with other obstacles in the working space;
  • the structure of the vertical moving mechanism is simple, and the addition of the vertical lifting function results in a small increase in the weight of the structural parts, which will not affect the carrying capacity of the working bar;
  • the working fence installation frame includes a lifting support beam and a load-bearing beam connected to each other, the lifting support beam is connected with the rolling assembly, and the load-bearing beam is used to carry the working fence .
  • the column is vertically fixed on the jib connection frame and parallel to the lifting support beam.
  • the rolling assembly includes a clamping frame fixed on the column, and a roller set arranged on the clamping frame, and the roller set tightly clamps the lifting support beam .
  • the clamping frame, the column, and the lifting support beam are all rectangular frames with one side open, and the column and the lifting support beam are arranged side by side with the same opening direction, so The clamping frame wraps the column and the lifting support beam inside, and its opening direction is opposite to that of the column.
  • the width of the bottom edge of the column and the lifting support beam is equal.
  • the set of rollers is provided with three sets of rollers, wherein two sets of rollers are relatively arranged on the inner side of the clamping frame and close to the outer side of the lifting support beam, and the rest A set of rollers is arranged between the opening edges of the clamping frame and close to the outside of the bottom edge of the lifting support beam.
  • the bottom edge of the column is provided with a limit hole
  • the lifting support beam is connected to a limit roller through a pin passing through the limit hole, and the limit roller is rollingly connected to The inner side of the bottom edge of the column.
  • the driving assembly includes an oil cylinder placed in the lifting support beam and a piston rod matched with the oil cylinder, the oil cylinder is fixed on the boom connecting frame, and the piston rod Connect with the lifting support beam.
  • the present invention provides an aerial work vehicle, which uses the vertical movement mechanism in the above embodiment.
  • the working column of the aerial work vehicle is installed on the mounting frame of the working column, the boom of the aerial work vehicle is connected with the boom connecting frame, the column is fixedly connected with the boom connecting frame, and the rolling assembly is arranged on the On the upright column, the working bar installation frame is rollingly connected to the upright column through the rolling assembly.
  • the driving component drives the work column installation frame to carry out vertical lifting movement relative to the column
  • the work column fixed on the work column installation frame can be delivered to the designated operation position quickly and accurately, and the arm frame does not move during the transmission process, so that the aerial work vehicle is When working in a narrow working space, the boom will not easily collide with other obstacles in the working space.
  • Fig. 1 is the sectional view when the side view of the embodiment of the present invention
  • Fig. 2 is the first oblique view of the embodiment of the present invention
  • Fig. 3 is the sectional view when the rear view of the embodiment of the present invention.
  • Fig. 4 is the second oblique view of the embodiment of the present invention.
  • Fig. 5 is the top view of the embodiment of the present invention.
  • Fig. 6 is a schematic structural diagram of a rolling assembly according to an embodiment of the present invention.
  • Working bar installation frame 100 lifting support beam 110, load-bearing beam 120;
  • Rolling assembly 400 clamping frame 410, roller set 420;
  • orientation descriptions such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
  • FIG. 1 to FIG. 6 it is a vertical movement mechanism according to an embodiment of the present invention, including: a workbar installation frame 100 , an arm frame connection frame 200 , a column 300 , a rolling assembly 400 , and a driving assembly 500 .
  • the bottom of the working column of the aerial work vehicle is installed on the working column installation frame 100 .
  • the installation positions of the work column and the work column installation frame 100 here are only for illustrating the present embodiment, and do not play any limiting role.
  • the jib connecting frame 200 is fixedly connected to the jib of the aerial work vehicle, and its position changes with the amplitude and telescoping of the jib.
  • the column 300 is fixedly connected with the boom connecting frame 200 .
  • the rolling assembly 400 is arranged on the column 300, and the working column mounting frame 100 is rollingly connected to the column 300 through the rolling assembly 400.
  • the working column mounting frame 100 moves relative to the column 300, there is rolling friction between the two.
  • the coefficient is small, so less energy is consumed.
  • the driving assembly 500 is used to drive the working column installation frame 100 to perform vertical lifting movement.
  • the working column When working at heights, the working column is sent to the right below the designated operating position through the amplitude and telescopic extension of the boom of the aerial work vehicle, and then the working column is quickly and accurately delivered to the designated operating position through the vertical movement mechanism.
  • the working bar installation frame 100 includes a lifting support beam 110 and a load-bearing beam 120 connected together.
  • the load-bearing beam 120 is fixedly connected with the bottom of the working fence, and is used for carrying the working fence.
  • the lifting support beam 110 is rollingly connected with the column 300 through the rolling assembly 400 .
  • the lifting support beam 110 and the load-bearing beam 120 are vertically connected to each other to form an L-shaped structure shown in the drawings, the horizontal load-bearing beam 120 is fixedly connected to the bottom of the work column, and the vertical lift support beam 110 passes through the rolling assembly 400 Rolling connection with column 300.
  • the column 300 is vertically fixed on the boom connecting frame 200 and parallel to the vertical lifting support beam 110 .
  • the rolling assembly 400 includes a clamping frame 410 fixed on the column 300 , a roller set 420 arranged on the clamping frame 410 ,
  • the roller group 420 tightly clamps the vertical lifting support beam 110, so that the vertical lifting movement of the work column installation frame 100 relative to the column 300 can be realized, and the work column installation frame 100 can be prevented from tilting during the movement, while the work column It is fixedly connected on the working column installation frame 100, so it can ensure that the working column does not tip over during the vertical lifting movement, thereby ensuring the personal safety of the operators in the working column.
  • the clamping frame 410, the column 300, and the lifting support beam 110 are all rectangular frames with one side open, and the rectangular frame can ensure that certain conditions are satisfied. Under the use strength, the overall weight of the corresponding structure will not be very large, thereby saving the production cost.
  • the column 300 and the lifting support beam 110 are arranged side by side, and their openings face the same direction and face away from the work column.
  • the clamping frame 410 wraps the column 300 and the lifting support beam 110 inside, and its opening orientation is opposite to that of the column 300 .
  • the bottom edge and both sides of the lifting support beam 110 are tightly clamped by the roller group 420 on the inside of the clamping frame 410, so that the vertical lifting movement of the working bar installation frame 100 relative to the outer side of the column 300 can be realized, and It can prevent the working bar mounting frame 100 from tilting during the movement, and the working bar is fixedly connected to the working bar mounting frame 100, so it can ensure that the working bar does not tip over during the vertical lifting movement, thereby ensuring the working bar The personal safety of the workers inside.
  • the widths of the bases of the upright column 300 and the lifting support beam 110 are equal, so that when determining the size of the upright column 300 and the lifting support beam 110 , it is easier to take into account the clamping
  • the structural design and size design of the frame body 410 so that the structure of the clamping frame body 410 can be designed more compact, and at the same time, the column 300 and the lifting support beam 110 can be tightly wrapped in it by the roller set 420, so that Prevent the working bar installation frame 100 from tilting during the movement.
  • the roller set 420 is provided with three sets of rollers, wherein the two sets of rollers are relatively arranged on the inner sides of the clamping frame 410 and are close to the sides of the lifting support beam 110 On the outside of the side, the remaining set of rollers is arranged between the opening edges of the clamping frame 410 and close to the outside of the bottom edge of the lifting support beam 110, so that the outer surface of the lifting support beam 110 can be completely covered by the three sets of roller sets 420. Clamping prevents the tilting of the workbar installation frame 100 during the vertical lifting movement and ensures the stability of the workbar.
  • roller set 420 when the roller set 420 is only provided with three sets of rollers, if the lifting support beam 110 tilts back and forth, then there will be contact between the upright column 300 and the workbar installation frame 100, thereby working Sliding friction occurs between the column mounting frame 100 and the column 300 during vertical movement, which reduces the movement stability of the working column mounting frame 100 on the one hand, and increases energy consumption on the other hand.
  • the rollers on both sides close to the outer sides of the lifting support beam 110 are also subject to axial forces, it is easy to cause wear on the rollers on both sides.
  • a limiting hole 310 is provided at the bottom of the column 300, and the lifting support beam 110 is connected to the limiting roller 320 through a pin shaft passing through the limiting hole 310, and the limiting roller 320 is rollingly connected.
  • the occurrence of the aforementioned phenomenon can be prevented, and the stability of the vertical lifting movement of the working bar can be ensured.
  • the driving assembly 500 includes an oil cylinder 510 vertically installed in the rectangular frame of the lifting support beam 110 and a piston rod 520 matched with the oil cylinder 510 .
  • the bottom is fixedly connected to the jib connecting frame 200, and the top of the piston rod 520 is fixedly connected to the lifting support beam 110.
  • the vertical lifting of the piston rod 520 can drive the working column mounting frame 100 to carry out vertical lifting motion.
  • the driving method here is not limited to the structure in this embodiment, for example, a linear motor driving structure may be used.
  • the present invention also provides an aerial work vehicle, which uses the vertical movement mechanism in the above embodiment.
  • the working column of the aerial work vehicle is installed on the working column mounting frame 100, the boom of the aerial work vehicle is connected with the boom connecting frame 200, the column 300 is fixedly connected with the boom connecting frame 200, and the rolling assembly 400 is arranged on the column 300,
  • the working bar installation frame 100 is rollingly connected to the column 300 through the rolling assembly 400 .
  • the driving assembly 500 drives the work column installation frame 100 to carry out vertical lifting movement relative to the column 300
  • the fixed work column on the work column installation frame 100 can be delivered to the designated operation position quickly and accurately, and the boom does not move during the transmission process, so that When the aerial work vehicle is working in a narrow working space, the boom is not easy to collide with other obstacles in the working space.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

一种垂直移动机构及高空作业车，垂直移动机构包括：工作栏安装架、臂架连接架、立柱、滚动组件、驱动组件。所述工作栏安装架用于承载高空作业车的工作栏；所述臂架连接架用于连接高空作业车的臂架；所述立柱与所述臂架连接架连接；所述滚动组件设置在所述立柱上，所述工作栏安装架通过所述滚动组件滚动连接在所述立柱上；所述驱动组件用于驱动所述工作栏安装架进行垂直升降运动。本发明可以将工作栏安装架上固定的工作栏快速精确地送达到指定作业位置，而传送过程中臂架不动，避免了高空作业车在狭小的作业空间内作业时臂架与作业空间中其他的障碍物发生碰撞。

Description

一种垂直移动机构及高空作业车
本申请要求于2021年6月2日提交中国专利局、申请号为202110615912.X、发明名称为“一种垂直移动机构及高空作业车”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及高空作业设备技术领域，尤其涉及一种垂直移动机构及高空作业车。
背景技术
高空作业车通过转台的旋转、臂架的变幅和伸缩实现将人或物举升到空中预定位置进行高空作业。臂架的最末端安装有可在作业位置作业的工作栏，该工作栏用于承载人或物。对于作业位置精度要求较高的场合，需要将工作栏快速精确的送达到指定位置。目前，对于直臂式和折臂式高空作业车，臂架单一的变幅和伸缩动作都无法使工作栏快速精确地送达指定位置，只能通过控制算法，将变幅和伸缩作为组合动作才能实现。由于臂架的变幅是做圆弧运动，臂架的运动轨迹会扫过比较大的面积，所以臂架很容易与空间中别的障碍物发生碰撞。此外，如果作业空间比较狭小，这种将工作栏送达指定位置的方式会受到很大的限制。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提出了一种垂直移动机构及高空作业车，可以将工作栏快速准确安全地送达指定的作业位置。
第一方面，本发明提供了一种垂直移动机构，包括：工作栏安装架、臂架连接架、立柱、滚动组件、驱动组件。所述工作栏安装架用于承载高 空作业车的工作栏；所述臂架连接架用于连接高空作业车的臂架；所述立柱与所述臂架连接架连接；所述滚动组件设置在所述立柱上，所述工作栏安装架通过所述滚动组件滚动连接在所述立柱上；所述驱动组件用于驱动所述工作栏安装架进行垂直升降运动。
根据本发明上述实施例的垂直移动机构，至少具有如下有益效果：
1、在狭小的工作空间作业时，驱动组件可以驱动工作栏安装架进行垂直升降运动，从而可以将工作栏安装架上固定的工作栏快速精确地送达到指定作业位置，而传送过程中臂架不动，这样高空作业车在狭小的作业空间内作业时，臂架不容易与作业空间中其他的障碍物发生碰撞；
2、本垂直移动机构的结构简单，增加垂直升降功能导致结构件重量的增加量小，不会影响工作栏的承载能力；
3、工作栏安装架相对于立柱进行上下垂直运动时，两者之间为滚动摩擦，摩擦系数小，从而消耗的能量小。
根据本发明的一些实施例，所述工作栏安装架包括相互连接在一起的升降支撑梁和承重梁，所述升降支撑梁与所述滚动组件连接，所述承重梁用于承载所述工作栏。
根据本发明的一些实施例，所述立柱垂直固定在所述臂架连接架上且平行于所述升降支撑梁。
根据本发明的一些实施例，所述滚动组件包括固定在所述立柱上的夹持框体、设置于所述夹持框体上的滚轮组，所述滚轮组紧密夹持住所述升降支撑梁。
根据本发明的一些实施例，所述夹持框体、所述立柱和所述升降支撑梁均为一边开口的矩形框体，所述立柱和所述升降支撑梁并列设置且开口朝向一致，所述夹持框体将所述立柱和所述升降支撑梁包裹在其内，并且其开口朝向与所述立柱的开口朝向相反。
根据本发明的一些实施例，所述立柱与所述升降支撑梁的底边宽度相 等。
根据本发明的一些实施例，所述滚轮组设有三组滚轮，其中两组所述滚轮相对设置在所述夹持框体的侧边内侧且紧贴所述升降支撑梁的侧边外侧，剩余一组所述滚轮设置在所述夹持框体的开口边缘之间且紧贴所述升降支撑梁的底边外侧。
根据本发明的一些实施例，所述立柱的底边设置有限位孔，所述升降支撑梁通过一穿设于所述限位孔的销轴连接有限位滚轮，所述限位滚轮滚动连接于所述立柱的底边内侧。
根据本发明的一些实施例，所述驱动组件包括置于所述升降支撑梁内的油缸以及与所述油缸配合的活塞杆，所述油缸固定在所述臂架连接架上，所述活塞杆与所述升降支撑梁连接。
第二方面，本发明提供了一种高空作业车，其应用了上述实施例中的垂直移动机构。高空作业车的工作栏安装在所述工作栏安装架上，高空作业车的臂架与所述臂架连接架连接，所述立柱与所述臂架连接架固定连接，滚动组件设置在所述立柱上，所述工作栏安装架通过所述滚动组件滚动连接在所述立柱上。在驱动组件驱动工作栏安装架相对立柱进行垂直升降运动时，可以将工作栏安装架上固定的工作栏快速精确地送达到指定作业位置，而传送过程中臂架不动，这样高空作业车在狭小的作业空间内作业时，臂架就不容易与作业空间中其他的障碍物发生碰撞。
本发明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，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1为本发明实施例的侧视时的剖面图；
图2为本发明实施例的第一种斜视图；
图3为本发明实施例的后视时的剖面图；
图4为本发明实施例的第二种斜视图；
图5为本发明实施例的俯视图；
图6为本发明实施例的滚动组件的结构示意图。
附图标记：
工作栏安装架100、升降支撑梁110、承重梁120；
臂架连接架200、立柱300、限位孔310、限位滚轮320；
滚动组件400、夹持框体410、滚轮组420；
驱动组件500、油缸510、活塞杆520。
具体实施方式
下面详细描述本发明的实施例，实施例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例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右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发明和简化描述，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发明的限制。
在本发明的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本发明中的具体含义。
参考图1至图6，为本发明实施例的一种垂直移动机构，包括：工作栏安装架100、臂架连接架200、立柱300、滚动组件400、驱动组件500。
高空作业车的工作栏的底部安装在工作栏安装架100上。当然，这里的工作栏与工作栏安装架100的安装位置仅仅是说明本实施例的，不起任 何限定作用。
臂架连接架200固定连接在高空作业车的臂架上，其随臂架的变幅和伸缩而改变位置。
立柱300与臂架连接架200固定连接。
滚动组件400设置在立柱300上，工作栏安装架100通过滚动组件400滚动连接在立柱300上，在工作栏安装架100相对立柱300运动时，两者之间为滚动摩擦，因滚动摩擦的摩擦系数小，因此消耗的能量少。
驱动组件500用于驱动工作栏安装架100进行垂直升降运动。
高空作业时，先通过高空作业车的臂架的变幅与伸缩，将工作栏送达到指定作业位置的正下方，然后通过本垂直移动机构，将工作栏快速精确地送达到指定作业位置。
在本发明的一些实施例中，如图1至图5所示，工作栏安装架100包括相互连接在一起的升降支撑梁110和承重梁120。承重梁120与工作栏的底部固定连接，用于承载工作栏。升降支撑梁110通过滚动组件400与立柱300滚动连接。
进一步地，升降支撑梁110和承重梁120相互垂直连接以形成附图中所示的L型结构，横向的承重梁120与工作栏的底部固定连接，竖向的升降支撑梁110通过滚动组件400与立柱300滚动连接。
在本发明的一些实施例中，如图1所示，进一步地，立柱300垂直固定在臂架连接架200上且平行于竖向的升降支撑梁110。
在本发明的一些实施例中，如图2、图5和图6所示，滚动组件400包括固定在立柱300上的夹持框体410、设置于夹持框体410上的滚轮组420，滚轮组420紧密夹持住竖向的升降支撑梁110，这样既可以实现工作栏安装架100相对立柱300进行垂直升降运动，又可以防止工作栏安装架100在运动过程中发生倾斜，而工作栏是固定连接在工作栏安装架100上的，故可以保障工作栏在垂直升降运动过程中不发生倾翻，进而保障了工 作栏内的作业人员的人身安全。
在本发明的一些实施例中，如图6所示，优选地，夹持框体410、立柱300和升降支撑梁110均为一边开口的矩形框体，该矩形框体可以保证在满足一定的使用强度下，对应的结构整体重量不会很大，从而能节约生产成本。立柱300和升降支撑梁110并列设置，它们的开口朝向一致且背离工作栏，夹持框体410将立柱300和升降支撑梁110包裹在其内，并且其开口朝向与立柱300的开口朝向相反。通过夹持框体410内侧的滚轮组420将升降支撑梁110的底边和两侧边紧紧夹持住，这样既可以实现工作栏安装架100相对立柱300的外侧面进行垂直升降运动，又可以防止工作栏安装架100在运动过程中发生倾斜，而工作栏是固定连接在工作栏安装架100上的，故可以保障工作栏在垂直升降运动过程中不发生倾翻，进而保障了工作栏内的作业人员的人身安全。
在本发明的一些实施例中，如图5所示，立柱300与升降支撑梁110的底边宽度相等，这样在确定立柱300与升降支撑梁110的尺寸的时候，能更容易兼顾到夹持框体410的结构设计和尺寸设计，从而使得夹持框体410的结构可以被设计得更为紧凑，同时又可以通过滚轮组420将立柱300和升降支撑梁110紧紧包裹在其内，从而防止工作栏安装架100在运动过程中发生倾斜。
在本发明的一些实施例中，如图5和图6所示，滚轮组420设有三组滚轮，其中两组滚轮相对设置在夹持框体410的侧边内侧且紧贴升降支撑梁110的侧边外侧，剩余一组滚轮设置在夹持框体410的开口边缘之间且紧贴升降支撑梁110的底边外侧，这样通过三组滚轮组420可以使得升降支撑梁110的外侧面完全被夹持住，避免了工作栏安装架100在垂直升降运动过程中发生倾斜，保障了工作栏的平稳性。
在本发明的一些实施例中，在滚轮组420只设有三组滚轮的情况下，若升降支撑梁110出现前后倾斜，此时立柱300与工作栏安装架100之间 就会出现接触，从而工作栏安装架100在垂直运动过程中相对立柱300之间产生滑动摩擦，一方面降低了工作栏安装架100的运动稳定性，另一方面增加了能量消耗。此外，因为此时紧贴升降支撑梁110的侧边外侧的两侧滚轮还会受到轴向的作用力，故容易导致这两侧的滚轮的磨损。如图2和图4所示，在立柱300的底边设置有限位孔310，升降支撑梁110通过一穿设于限位孔310的销轴连接有限位滚轮320，该限位滚轮320滚动连接于立柱300的底边内侧，通过这样的设计，可以防止前述现象的出现，并保证工作栏垂直升降运动的稳定性。
在本发明的一些实施例中，如图1和图3所示，驱动组件500包括垂直安装在升降支撑梁110的矩形框体内的油缸510以及与该油缸510配合的活塞杆520，油缸510的底部固定连接在臂架连接架200上，活塞杆520的顶部与升降支撑梁110固定连接，活塞杆520的垂直升降可以带动工作栏安装架100进行垂直升降运动。可以理解的是，这里的驱动方式并不限于本实施例中的结构，例如可以采用直线电机驱动结构。
本发明还提供了一种高空作业车，其应用了上述实施例中的垂直移动机构。高空作业车的工作栏安装在工作栏安装架100上，高空作业车的的臂架与臂架连接架200连接，立柱300与臂架连接架200固定连接，滚动组件400设置在立柱300上，工作栏安装架100通过滚动组件400滚动连接在立柱300上。在驱动组件500驱动工作栏安装架100相对立柱300进行垂直升降运动时，可以将工作栏安装架100上固定的工作栏快速精确地送达到指定作业位置，而传送过程中臂架不动，这样高空作业车在狭小的作业空间内作业时，臂架就不容易与作业空间中其他的障碍物发生碰撞。
本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的 是相同的实施例或示例。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例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (10)

  1. 一种垂直移动机构，应用于高空作业车，其特征在于，包括：
    工作栏安装架(100)，其用于承载高空作业车的工作栏；
    臂架连接架(200)，其用于连接高空作业车的臂架；
    立柱(300)，其与所述臂架连接架(200)连接；
    滚动组件(400)，其设置在所述立柱(300)上，所述工作栏安装架(100)通过所述滚动组件(400)滚动连接在所述立柱(300)上；
    驱动组件(500)，其用于驱动所述工作栏安装架(100)进行垂直升降运动。
  2. 根据权利要求1所述的垂直移动机构，其特征在于，所述工作栏安装架(100)包括相互连接在一起的升降支撑梁(110)和承重梁(120)，所述升降支撑梁(110)与所述滚动组件(400)连接，所述承重梁(120)用于承载所述工作栏。
  3. 根据权利要求2所述的垂直移动机构，其特征在于，所述立柱(300)垂直固定在所述臂架连接架(200)上且平行于所述升降支撑梁(110)。
  4. 根据权利要求2所述的垂直移动机构，其特征在于，所述滚动组件(400)包括固定在所述立柱(300)上的夹持框体(410)、设置于所述夹持框体(410)上的滚轮组(420)，所述滚轮组(420)紧密夹持住所述升降支撑梁(110)。
  5. 根据权利要求4所述的垂直移动机构，其特征在于，所述夹持框体(410)、所述立柱(300)和所述升降支撑梁(110)均为一边开口的矩形框体，所述立柱(300)和所述升降支撑梁(110)并列设置且开口朝向一致，所述夹持框体(410)将所述立柱(300)和所述升降支撑梁(110)包裹在其内，并且其开口朝向与所述立柱(300)的开口朝向相反。
  6. 根据权利要求5所述的垂直移动机构，其特征在于，所述立柱(300)与所述升降支撑梁(110)的底边宽度相等。
  7. 根据权利要求6所述的垂直移动机构，其特征在于，所述滚轮组(420)设有三组滚轮，其中两组所述滚轮相对设置在所述夹持框体(410)的侧边内侧且紧贴所述升降支撑梁(110)的侧边外侧，剩余一组所述滚轮设置在所述夹持框体(410)的开口边缘之间且紧贴所述升降支撑梁(110)的底边外侧。
  8. 根据权利要求7所述的垂直移动机构，其特征在于，所述立柱(300)的底边设置有限位孔(310)，所述升降支撑梁(110)通过一穿设于所述限位孔(310)的销轴连接有限位滚轮(320)，所述限位滚轮(320)滚动连接于所述立柱(300)的底边内侧。
  9. 根据权利要求4所述的垂直移动机构，其特征在于，所述驱动组件(500)包括置于所述升降支撑梁(110)内的油缸(510)以及与所述油缸(510)配合的活塞杆(520)，所述油缸(510)固定在所述臂架连接架(200)上，所述活塞杆(520)与所述升降支撑梁(110)连接。
  10. 一种高空作业车，其特征在于，应用了如权利要求1至9任一项所述的垂直移动机构。
PCT/CN2021/139126 2021-06-02 2021-12-17 一种垂直移动机构及高空作业车 WO2022252566A1 (zh)

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