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Variable-diameter telescopic mechanism of pipeline robot

A pipeline robot and telescopic mechanism technology, applied in the field of robotics, can solve problems such as inability to climb large-inclination angles and vertical pipelines

Pending Publication Date: 2021-09-10
NANJING COLLEGE OF INFORMATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Purpose of the invention: The purpose of the present invention is to provide a variable-diameter expansion and contraction mechanism for pipeline robots to solve the problem that existing crawler-type and wheel-type robots cannot climb large-inclination angles and vertical pipelines

Method used

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] like figure 1 As shown, a variable-diameter telescopic mechanism of a pipeline robot includes a side cover 1, a drive motor and a pulley transmission mechanism 2, a variable-diameter motor mounting plate 3, a support rod 4, a screw 5, a bearing seat 6, and a horizontal support 7. Slider 8, connecting rod 9, rocker 10, hinge support 11, middle plate 12, driving wheel 13.

[0023] The overall structure of the mechanism adopts a radial radial form, and a side cover 1 and a variable diameter motor mounting plate 3 form a motor protection cover, such as figure 2 Therefore, the protective cover is equipped with a drive motor and a pulley transmission mechanism 2, two bearing housings 6, a lead screw 5, two support rods 4, and a horizontal support 7 are a group of units, and the three groups of units are 120°circumferentially uniform Distrib...

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Abstract

The invention discloses a variable-diameter telescopic mechanism of a pipeline robot, and belongs to the technical field of robots. The variable-diameter telescopic mechanism structurally comprises a side cover plate, a driving motor and belt wheel transmission mechanism, a variable-diameter motor mounting plate, transverse supports, bearing seats, supporting rods, lead screws, a sliding block, a connecting rod, a rocker, a hinge support, a middle plate and driving wheels. The side cover plate and the variable-diameter motor mounting plate form a motor protection cover, and the driving motor and the belt wheel transmission mechanism is mounted in the protection cover; and two bearing seats, one lead screw, two supporting rods and one transverse support form a unit, and three units are evenly distributed on the variable-diameter motor mounting plate in a circumferential direction of 120 degrees and are finally fixed through the middle plate. When a motor drives a synchronous belt to rotate, the lead screws and the connecting rod of a hinge four-rod mechanism are driven to move, the driving wheels contract in a radial direction, and when the six driving wheels touch a pipe wall and reach a certain pressure value, the motor stops rotating, so that accurate centering of the inner diameter axis of a pipeline is achieved.

Description

technical field [0001] The invention relates to the technical field of robots, in particular to a diameter-variable expansion and contraction mechanism of a pipeline robot. Background technique [0002] The usual walking mechanisms of pipeline measurement robots are wheeled or crawler-type. Because the measurement sometimes encounters a large angle or even a vertical pipeline, the existing crawler-type and wheel-type robots cannot cling to the pipe wall, so they cannot climb and complete. detection. [0003] For this reason, a variable-diameter mechanism of a robot for inspecting pipelines is developed. Contents of the invention [0004] Purpose of the invention: The purpose of the present invention is to provide a variable-diameter expansion and contraction mechanism for pipeline robots, which solves the problem that existing crawler-type and wheel-type robots cannot climb large-inclination angles and vertical pipelines. [0005] Technical solution: In order to achieve ...

Claims

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Application Information

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IPC IPC(8): F16L55/32F16L55/40F16L101/30
CPCF16L55/32F16L55/40F16L2101/30
Inventor 樊乘煜赵海峰孙腾杨文家吴昊田素涵严佳陆巩诺
Owner NANJING COLLEGE OF INFORMATION TECH
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