阅读说明：本技术 一种高空作业车及其可连续旋转的工作平台 (Aerial working truck and continuously-rotatable working platform thereof ) 是由 刘国良 潘彬 于 2019-11-01 设计创作，主要内容包括：本发明公开了一种高空作业车及其可连续旋转的工作平台,包括：工作栏、蜗轮、蜗杆、驱动装置和连接架以及控制器,蜗轮固定在工作栏底部,驱动装置固定在连接架上,驱动装置用于驱动蜗杆转动,以带动蜗轮和工作栏转动,控制器和驱动装置无线连接,控制器用于接收用户的输入信号,并根据输入信号控制工作栏水平转动预设角度。由于控制器与驱动装置是无线连接的,因此可省去复杂的线路。另外工作栏通过蜗轮蜗杆传动机构来实现转动,当蜗杆的导程角小于啮合轮齿间的当量摩擦角时,能够实现反向自锁,因此对用户起到了安全保护作用。此外蜗轮蜗杆传动更加平稳,传动力矩更大,噪声也较小,因此能够提供一个相对平稳的工作环境。(The invention discloses an aerial working platform and a working platform capable of continuously rotating, comprising: the worm wheel is fixed at the bottom of the working column, the driving device is fixed on the connecting frame and used for driving the worm to rotate so as to drive the worm wheel and the working column to rotate, the controller is in wireless connection with the driving device, and the controller is used for receiving input signals of users and controlling the horizontal rotation of the working column to be at a preset angle according to the input signals. Since the controller is wirelessly connected with the driving device, complicated lines can be omitted. In addition, the working rail rotates through the worm gear and worm transmission mechanism, and when the lead angle of the worm is smaller than the equivalent friction angle between the teeth of the meshing wheel, reverse self-locking can be realized, so that the safety protection effect on a user is achieved. In addition, the worm and gear transmission is more stable, the transmission torque is larger, and the noise is smaller, so that a relatively stable working environment can be provided.)

1. A continuously rotatable work platform, comprising: the working column comprises a working column body, a worm wheel, a worm, a driving device, a connecting frame and a controller, wherein the worm wheel is fixed at the bottom of the working column body, the driving device is fixed on the connecting frame and used for driving the worm to rotate so as to drive the worm wheel and the working column body to rotate, the controller is in wireless connection with the driving device, and the controller is used for receiving input signals of a user and controlling the horizontal rotation of the working column body to a preset angle according to the input signals.

2. The work platform according to claim 1, wherein a mounting seat is arranged at the bottom of the work rail, the mounting seat is rotatably connected with the connecting frame through a vertical rotating shaft, and the worm wheel is fixed on the mounting seat.

3. The work platform of claim 1 or 2, wherein a tool storage box is provided on the work bar.

4. The work platform of claim 3, wherein the work bars are provided with horizontal fence rings distributed along the circumferential direction of the work bars, and the tool storage box is slidably connected to the horizontal fence rings.

5. An aerial lift platform comprising a work platform as claimed in any one of claims 1 to 4.

Technical Field

The invention relates to the technical field of engineering machinery, in particular to an aerial working platform and a continuously rotatable working platform thereof.

Background

The boom of the boom type aerial work platform or the aerial work vehicle is usually provided with a working column at the tail end of the boom, and operators are positioned in the working column to carry out corresponding aerial work.

In the prior art, the working column and the arm support bracket are usually connected through a swing motor and can rotate within the range from 90 degrees from the left to 90 degrees from the right, the rotating range of the working platform is small, the using range is small, in addition, a plurality of lines are connected between an operation panel on the working column and an automobile body, when the working column rotates, the abrasion to the lines is large, and certain potential safety hazards exist.

In addition, the existing working column can realize 360-degree rotation through a gear rotation speed reducer, but the structure is heavy, the space occupation is large, the interference is easy to occur, and then the self-locking function is not provided, so that the potential safety hazard exists, the transmission stability is poor, and the noise is large.

Therefore, how to provide a working platform with simple structure, smooth transmission and high safety performance is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a continuously rotatable working platform, which can effectively improve the stability and safety of the working platform, and another object is to provide an aerial work platform comprising the working platform.

In order to achieve the purpose, the invention provides the following technical scheme:

a continuously rotatable work platform comprising: the working column comprises a working column body, a worm wheel, a worm, a driving device, a connecting frame and a controller, wherein the worm wheel is fixed at the bottom of the working column body, the driving device is fixed on the connecting frame and used for driving the worm to rotate so as to drive the worm wheel and the working column body to rotate, the controller is in wireless connection with the driving device, and the controller is used for receiving input signals of a user and controlling the horizontal rotation of the working column body to a preset angle according to the input signals.

Preferably, the bottom of the working fence is provided with a mounting seat, the mounting seat is rotatably connected with the connecting frame through a vertical rotating shaft, and the worm wheel is fixed on the mounting seat.

Preferably, a tool storage box is arranged on the working column.

Preferably, be equipped with on the work bar along its circumference distribution's horizontal guardrail circle, tool storage box sliding connection is in horizontal guardrail circles.

An aerial work platform comprising the work platform of any one of the above.

Compared with the prior art, the technical scheme has the following advantages:

the invention provides an aerial work platform and a continuously rotatable working platform thereof, comprising: the worm wheel is fixed at the bottom of the working column, the driving device is fixed on the connecting frame and used for driving the worm to rotate so as to drive the worm wheel to rotate, the working column is driven to rotate, the controller is in wireless connection with the driving device, and the controller is used for receiving input signals of a user and controlling the horizontal rotation of the working column to be at a preset angle according to the input signals. The user can make the working column rotate to the angle required by the user by operating the controller, and the controller is wirelessly connected with the driving device, so that a complex circuit can be omitted, and the convenience of the rotation of the working column is improved. In addition, the working rail rotates through the worm gear and worm transmission mechanism, when the lead angle of the worm is smaller than the equivalent friction angle between the teeth of the meshing wheel, reverse self-locking can be realized, the worm can drive the worm gear to rotate, and the worm gear cannot drive the worm to rotate, so that the safety protection effect on a user is achieved. In addition, the worm and gear transmission is more stable, the transmission torque is larger, and the noise is smaller, so that a relatively stable working environment can be provided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a continuously rotatable work platform according to an embodiment of the present invention;

FIG. 2 is an exploded view of a continuously rotatable work platform according to one embodiment of the present invention;

fig. 3 is a schematic front view of a continuously rotatable working platform according to an embodiment of the present invention.

The reference numbers are as follows:

1 is the work fence, 2 is the mount pad, 3 is the link, 4 is worm gear drive, 5 is drive arrangement, 6 is the instrument receiver.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a continuously rotatable working platform according to an embodiment of the present invention; FIG. 2 is an exploded view of a continuously rotatable work platform according to one embodiment of the present invention; fig. 3 is a schematic front view of a continuously rotatable working platform according to an embodiment of the present invention.

The embodiment of the invention provides a continuously rotatable working platform, which comprises: the working column comprises a working column 1, a worm wheel, a worm, a driving device 5, a connecting frame 3 and a controller, wherein the worm wheel is fixed at the bottom of the working column 1, the working column 1 comprises a flat plate and guardrails surrounding the flat plate, the driving device 5 is fixed on the connecting frame 3, the connecting frame 3 is connected with an arm support, the driving device 5 is used for driving the worm to rotate so as to drive the worm wheel to rotate, and therefore the working column 1 is driven to rotate, wherein the driving device 5 is preferably a direct current motor, the controller is in wireless connection with the driving device 5, the controller is used for receiving input signals of a user, and the working column 1 is controlled to horizontally rotate by a preset angle according. When the working column is in specific work, a user can rotate the working column 1 to the angle required by the user by operating the controller, wherein the controller can be a mobile terminal and can also be arranged on the working column 1, and the controller is in wireless connection with the driving device 5, so that a complex circuit can be omitted, and the convenience for rotating the working column 1 is improved. In addition, the working rail 1 rotates through the worm gear and worm transmission mechanism 4, when the lead angle of the worm is smaller than the equivalent friction angle between the teeth of the meshing wheel, reverse self-locking can be realized, the worm can drive the worm gear to rotate, and the worm gear cannot drive the worm to rotate, so that the safety protection effect is achieved for users. In addition, the worm and gear transmission is more stable, the transmission torque is larger, and the noise is smaller, so that a relatively stable working environment can be provided.

Specifically, 1 bottom of work bar is equipped with mount pad 2, and mount pad 2 rotates through vertical pivot and link 3 to be connected, and the worm wheel is fixed on mount pad 2, and wherein mount pad 2 mainly plays the effect of bearing work bar 1, and mount pad 2 accessible bolt is connected with work bar 1, and the pivot is passed through the bearing and is connected with link 3 to make work bar 1 can be relative link 3 and be the rotary motion.

In addition, in order to facilitate the user to work on the work board 1, a tool storage case 6 is provided on the work board 1.

Further, be equipped with on the work bar 1 along its circumference distribution's horizontal guardrail circle, 6 sliding connection of instrument receiver circle at horizontal guardrail. When the user was in certain orientation department operation, can remove the position to the demand with instrument receiver 6 to the user takes and puts the instrument, and then improves work efficiency.

The invention also discloses an aerial work platform, which comprises the work platform provided by any one of the embodiments, and the beneficial effects of the aerial work platform are only realized by referring to the work platform, which are not described again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The aerial work platform and the continuously rotatable aerial work platform provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.