一种表面缺陷检测装置

Abstract

本实用新型涉及检测装置技术领域，具体提供一种表面缺陷检测装置，其套在索缆上，受行走驱动机构驱动，沿着索缆移动检测。该装置包括支架组件和摄像头，支架组件具有供索缆穿过的套腔，支架组件与行走驱动机构连接；摄像头是用来采集索缆周部表面缺陷图像，并根据采集到的图像定位缺陷位置；摄像头设有多个，围绕索缆均匀布设在支架组件上。这样，利用行走驱动机构驱动表面缺陷检测装置在索缆上行走，多个摄像头在索缆上形成封闭的图形采集区，确保索缆表面情况检测无遗漏，支架组件可自动控制张开、收紧调节套腔尺寸，确保各摄像头相对于索缆保持合适的工作高度，人员在地面操控即可实现索缆表面检测，极大地提升了检测效率和检测精准度。

Claims

1. A surface defect detection device which is fitted on a cable and is driven to move along the cable by a traveling drive mechanism, characterized by, The surface defect detection device includes a support assembly with a cavity that can be automatically controlled to open, close and adjust the size of the cavity, and a camera for acquiring images and locating the defect position based on the acquired images, with the cable passing through the cavity; Multiple cameras are provided and are evenly distributed around the cable on the support assembly. Each camera is adjustable relative to the cable, and its camera end faces the cable, forming a closed image acquisition area around the cable.

2. The surface defect detection apparatus according to claim 1, wherein The support assembly includes a first arm and a second arm. Multiple first arms and second arms are provided in the same quantity and are arranged alternately. The first and second ends are limited and slidably connected. The support assembly has a tightened state when each of the first arms and each of the second arms slides towards each other and an open state when they slide away from each other. Each of the first arms and each of the second arms together enclose and form the cavity.

3. The surface defect detection apparatus according to claim 2, wherein The cross-section of the cavity is circular.

4. The surface defect detection apparatus according to claim 3, wherein Each of the first arms is provided with an arc-shaped slide rail, the axis of which coincides with the axis of the cavity; each of the second arms is provided with a sliding column at both ends, the two sliding columns of the second arm are respectively inserted into the arc-shaped slide rails on the left and right and slide along the arc-shaped slide rails, the sliding column being confined within the arc-shaped slide rail.

5. The surface defect detection apparatus according to claim 4, wherein Each of the first arms is provided with a sliding groove that connects two ends, and the opening of each sliding groove faces the cavity; each sliding groove has an arc-shaped sliding groove extending to both ends on its two facing side groove walls, and the two arc-shaped sliding grooves face each other and together form the arc-shaped slide; each end of the second arm is provided with two sliding pillars, and each sliding pillar is inserted into the arc-shaped sliding groove; each camera is arranged on the side of each of the first arms facing the forward direction.

6. The surface defect inspection apparatus of claim 5, wherein Each of the first arms is provided with a sliding interface that connects the arcuate slide groove and the sleeve cavity. The two sliding interfaces on each of the first arms are directly opposite each other. Each of the sliding columns of the second arm slides into the arcuate slide groove from the sliding interface of the first arm.

7. The surface defect detection apparatus according to any one of claims 2 to 6, wherein The surface defect detection device further includes an adjustment drive mechanism and an adjustment arm. The power output end of the adjustment drive mechanism is connected to one end of the adjustment arm. In any two adjacent first arms, the adjustment drive mechanism is fixed to one of the first arms, and the other end of the adjustment arm is connected to the other first arm. The adjustment arm drives each of the first arms to move outward and inward under the drive of the adjustment drive mechanism.

8. The surface defect detection device according to any one of claims 1 to 6, characterized in that, The surface defect detection device further includes a ring rotating frame, a rotation drive mechanism, and a detection component for scanning and calculating the defect location to obtain a three-dimensional image of the defect. The ring rotating frame is connected to the end of the support assembly away from each of the cameras. The rotation drive mechanism is fixed to the support assembly and drives the ring rotating frame to rotate around the cable. The detection component is fixed to the ring rotating frame.

9. The surface defect detection apparatus according to any one of claims 1 to 6, wherein The surface defect detection device also includes a detection component for scanning and calculating the defect location to obtain a three-dimensional image of the defect. The number of the detection components is the same as the number of the cameras, and they are evenly distributed around the cable in the support assembly at the ends away from each of the cameras, forming a closed detection area around the cable.

10. The surface defect detection apparatus according to any one of claims 1 to 6, wherein The surface defect detection device further includes a support base. One end of the bracket assembly is provided with a mounting groove. The bottom end of the support base is positioned and inserted into the mounting groove. At least one side of the bottom end of the support base is limited to the mounting groove. The support base is fixed to the mounting groove. Each of the cameras is respectively fixed to a fixed end of the support base.

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