Sleeper surface defect detection device

By designing a sleeper surface defect detection device and utilizing a moving and rotating mechanism in conjunction with a scanning detector, sleeper surface defects can be automatically identified and marked, thus solving the problems of low efficiency and poor accuracy of manual visual inspection and achieving efficient and accurate detection results.

CN223362022UActive Publication Date: 2025-09-19SHANGHAI JUREN RAILWAY EQUIP CO LTD
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Patent Information

Application Number
CN202422072104.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-09-19
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

In the existing technology, the detection of sleeper surface defects relies on manual visual inspection, which is inefficient and inaccurate, and is easily affected by the experience and subjective factors of the inspectors.

Method used

A sleeper surface defect detection device was designed. The mobile mechanism and the rotating mechanism were combined with a scanning detector to achieve comprehensive detection of the sleeper surface. The position and angle of the scanning detector were controlled by a controller to automatically identify and mark defects.

Benefits of technology

It achieves rapid and accurate detection of sleeper surface defects, improves production efficiency and product quality, reduces the subjective influence of inspectors, and improves the accuracy and reliability of test results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223362022U_ABST
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Abstract

The sleeper surface defect detection device comprises a base, a first motor is arranged on the base, an output shaft of the first motor is connected with one end of a first lead screw, a first sliding block is arranged on the first lead screw, a second motor is arranged on the first sliding block, and a second sliding block is arranged on the second motor. An output shaft of the second motor is connected with a rotating frame through a rotating shaft, the rotating shaft penetrates through the support, a third motor is arranged on the rotating frame, an output shaft of the third motor is connected with one end of a second lead screw, a second sliding block is arranged on the second lead screw, and a scanning detector is arranged on the second sliding block; a marker is arranged on the lower side of the base and located above the to-be-detected product moving platform. According to the utility model, the sleeper surface defects can be rapidly, comprehensively and accurately detected by utilizing various moving mechanisms and rotating mechanisms, so that the production efficiency and the product quality are improved.
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Description

Technical Field

[0001] The utility model relates to the field of construction, in particular to rail transportation equipment, in particular to a device for detecting surface defects of a sleeper. Background Art

[0002] Rail sleepers are a crucial component of railway track structures, and their quality directly impacts the safety and stability of rail transportation. During the sleeper production process, various surface defects, such as cracks, holes, and pockmarks, may appear due to factors such as raw materials and production processes. Existing techniques for detecting surface defects on newly produced sleepers rely primarily on manual visual inspection, a method that is inefficient, inaccurate, and susceptible to the influence of the inspector's experience and subjective factors. Summary of the Invention

[0003] The purpose of the utility model is to provide a device for detecting defects on the surface of a sleeper, which aims to solve the technical problems of low efficiency and poor accuracy in the prior art of relying on manual visual inspection.

[0004] The utility model discloses a sleeper surface defect detection device, comprising a base, a first motor is provided on the base, the output shaft of the first motor is connected to one end of a first screw rod, the other end of the first screw rod is rotatably connected to a support, the support is arranged on the base, a first slider is provided on the first screw rod, a first nut is provided in the first slider, the first slider forms a screw-nut transmission pair with the first screw rod through the first nut, the first slider and the base are set as a sliding pair in a linear direction, a second motor is provided on the first slider, the output shaft of the second motor is connected to a rotating frame through a rotating shaft, and a third motor is provided on the rotating frame, the output shaft of the third motor is connected to one end of a second screw rod, and the other end of the second screw rod is rotatably connected to the rotating frame The cam is connected to the sliding panel and the sliding panel also is provided with an camshaft, and the camshaft has a rotation period of 2 minutes, and the rotation of the camshaft is connected to the sliding panel. The camshaft has a rotation period of 2 minutes, and the rotation of the camshaft is connected to the sliding panel. The camshaft has a rotation period of 2 minutes, and the rotation of the camshaft is connected to the sliding panel.

[0005] Furthermore, four supporting legs are provided on the lower side of the base, and the mobile platform of the product to be tested is located between the supporting legs.

[0006] Compared with the existing technology, the effect of the present invention is positive and obvious. The present invention provides an efficient and accurate rail sleeper surface defect detection device. By utilizing various moving mechanisms and rotating mechanisms, the present invention can quickly, comprehensively and accurately detect rail sleeper surface defects, thereby improving production efficiency and product quality, avoiding the influence of the experience and subjective factors of the inspectors, and marking defective rail sleepers, making it convenient and quick to find the defective rail sleepers, thereby improving the accuracy and reliability of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a schematic diagram of a sleeper surface defect detection device of the present invention. DETAILED DESCRIPTION

[0008] The following is a further description of the present invention in conjunction with an embodiment. However, the present invention is not limited to the embodiment. All similar structures and similar variations of the present invention should be included in the scope of protection of the present invention. The use of directions such as up, down, front, back, left, and right in the present invention is only for the convenience of clear description and does not limit the technical solution of the present invention.

[0009] like Figure 1As shown, a sleeper surface defect detection device of the present invention includes a base 10, and a first motor 2 is provided on the base 10, the output shaft of the first motor 2 is connected to one end of a first screw rod 3, and the other end of the first screw rod 3 is rotatably connected to a support 11, and the support 11 is provided on the base 10, and a first slider 9 is provided on the first screw rod 3, and a first nut is provided in the first slider 9. The first slider 9 forms a screw-nut transmission pair with the first screw rod 3 through the first nut, and the first slider 9 and the base 10 are set as a sliding pair in a linear direction, and a second motor 4 is provided on the first slider 9, and the output shaft of the second motor 4 is connected to a rotating frame 13 through a rotating shaft 5, and a third motor 6 is provided on the rotating frame 13, and the output shaft of the third motor 6 is connected to one end of a second screw rod 14, and the other end of the second screw rod 14 is rotatably connected to the rotating frame 13. The second screw rod 14 is parallel to the length direction of the rotating frame 13, and a second slider 15 is provided on the second screw rod 14. A second nut is provided in the second slider 15. The second slider 15 forms a screw-nut transmission pair with the second screw rod 14 through the second nut. The side of the second slider 15 contacts the rotating frame 13 and forms a sliding pair parallel to the length direction of the rotating frame 13. A scanning detector 7 is provided on the second slider 15. A mobile platform 12 of the product to be tested is provided under the base 10. The moving direction of the mobile platform 12 of the product to be tested is parallel to the left and right direction. A marker 8 is provided on the lower side of the base 10. The marker 8 is located above the mobile platform 12 of the product to be tested. A controller 1 is provided on the base 10. The first motor 2, the second motor 4, the third motor 6, the marker 8, the control end of the mobile platform 12 of the product to be tested, and the signal output end of the scanning detector 7 are all connected to the controller 1.

[0010] Furthermore, four supporting legs 16 are provided on the lower side of the base 10 , and the product moving platform 12 to be tested is located between the supporting legs 16 .

[0011] Specifically, the motor, lead screw, scanning detector 7, product moving platform 12, marker 8, etc. in this embodiment all adopt well-known solutions in the prior art, which are well understood by those skilled in the art and will not be described in detail here.

[0012] The working principle of this embodiment is as follows:

[0013] Under the control of the controller 1, the mobile platform 12 of the product to be tested drives the sleeper to a suitable position below the scanning detector 7. The first motor 2 drives the scanning detector 7 to move left and right through the first screw 3 and the first slider 9, and the left and right position of the scanning detector 7 can be adjusted. The second motor 4 drives the scanning detector 7 to rotate around the rotating shaft 5 through the rotating shaft 5, and the angle of the scanning detector 7 can be adjusted. The third motor 6 drives the scanning detector 7 to move along the length direction of the rotating frame 13 through the second screw 14 and the second slider 15, and the distance between the scanning detector 7 and the sleeper can be adjusted. The above actions are used to control the path of the scanning detector 7, and the surface of the sleeper is comprehensively inspected, and the acquired information is transmitted to the controller 1 for identification. When a defect is identified in the sleeper, the mobile platform 12 of the product to be tested drives the sleeper to move to the bottom of the marker 8, and the marker 8 marks and records the sleeper.

[0014] The utility model provides an efficient and accurate device for detecting defects on the surface of sleepers. It utilizes various moving mechanisms and rotating mechanisms to quickly, comprehensively and accurately detect defects on the surface of sleepers, thereby improving production efficiency and product quality, avoiding the influence of the experience and subjective factors of the inspectors, and at the same time, marking defective sleepers, making it convenient to quickly find defective sleepers, thereby improving the accuracy and reliability of the detection results.

Claims

1. A sleeper surface defect detection device, characterized by: The rotatable frame is provided with a third motor, the output shaft of the third motor is connected to one end of a second screw rod, the other end of the first screw rod is rotatably connected to a support, the support is provided on the base, a first slider is provided on the first screw rod, a first nut is provided in the first slider, the first slider forms a screw-nut transmission pair with the first screw rod through the first nut, the first slider and the base are set as a sliding pair in a linear direction, a second motor is provided on the first slider, the output shaft of the second motor is connected to a rotating frame through a rotating shaft, and a third motor is provided on the rotating frame, the output shaft of the third motor is connected to one end of a second screw rod, the other end of the second screw rod is rotatably connected to the rotating frame, and the second screw rod is parallel to the rotatable frame. In the length direction of the rotating frame, a second slider is provided on the second screw rod, and a second nut is provided in the second slider. The second slider forms a screw-nut transmission pair with the second screw rod through the second nut. The side of the second slider contacts the rotating frame and forms a sliding pair parallel to the length direction of the rotating frame. A scanning detector is provided on the second slider, and a moving platform for the product to be tested is provided under the base. The moving direction of the moving platform for the product to be tested is parallel to the left and right directions. A marker is provided on the lower side of the base, and the marker is located above the moving platform for the product to be tested. A controller is provided on the base, and the first motor, the second motor, the third motor, the marker, the control end of the moving platform for the product to be tested, and the signal output end of the scanning detector are all connected to the controller.

2. The sleeper surface defect detection device according to claim 1, characterized in that: Four supporting legs are provided on the lower side of the base, and the mobile platform of the product to be tested is located between the supporting legs.