Guided wave steel rail tester
The guided wave rail tester transmits ultrasonic guided waves on the rail through detection components and fiber optic components, solving the problem that existing instruments cannot detect damage to other parts of the rail, and realizing comprehensive crack and corrosion detection of the rail.
Patent Information
- Application Number
- CN202520034318.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing rail testing instruments can only locate areas with partial cross-sectional changes and cannot effectively detect cracks and corrosion in other parts of the rail, especially corrosion cracks and other damage at the bottom of the rail.
A guided wave rail tester was designed, equipped with a detection component and an optical fiber component. It transmits ultrasonic guided waves along the length of the rail by transmitting and receiving guided wave probes, and uses CH0 and CH1 interfaces to detect any cross-sectional changes in the rail, including bottom corrosion cracks.
It enables comprehensive detection of cracks and corrosion damage on any part of the rail, especially corrosion cracks at the bottom of the rail, improving the comprehensiveness and accuracy of the detection.
Smart Images

Figure CN223742400U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rail testing technical field especially is related to waveguide rail tester. BACKGROUND
[0002] The basic information of rail testing includes the importance of testing, main detection content, detection method and technology etc. Rail testing is the key link of ensuring the safe operation of railway. Through the comprehensive performance detection of rail, the potential safety hidden danger can be found in time, and the problems such as fracture and wear are prevented, so as to guarantee the safety of train and passenger, prolong the service life of rail and reduce the maintenance cost, so the relevant rail testing instrument will be used, and the rail testing instrument is often used for high-speed rail track, ordinary railway track and urban subway track detection and maintenance.
[0003] The existing rail testing instrument can only find the area of partial cross-section change, and then the cracks and corrosion of other parts of the rail in the generated waveguide in the rail cannot be well detected, including the corrosion cracks and damage problems of the bottom of the rail cannot be effectively tested. UTILITY MODEL CONTENT
[0004] In order to overcome the defects of prior art, the utility model provides waveguide rail tester, can solve the technical problems that the existing rail testing instrument can only find the area of partial cross-section change, and then the cracks and corrosion of other parts of the rail in the generated waveguide in the rail cannot be well detected, including the corrosion cracks and damage problems of the bottom of the rail cannot be effectively tested.
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: waveguide rail tester, including the body, the first display screen and the instrument switch arranged at the top end of the body, the front and rear ends of the body are provided with the detection assembly for self-checking rail corrosion and crack damage, the detection assembly includes CH1 receiving interface, CH1 transmitting interface, CH0 transmitting interface, CH0 receiving interface, temperature and humidity sensor interface and optical fiber assembly, the CH1 receiving interface, CH1 transmitting interface, CH0 transmitting interface, CH0 receiving interface and temperature and humidity sensor interface are all arranged at the rear end of the body, one end of the optical fiber assembly is connected with the detection assembly, the other end of the optical fiber assembly is connected with the rail.
[0006] As a preferred technical scheme of the utility model, the optical fiber assembly includes wire body, sleeve, plug, the outer surface of the wire body is provided with the sleeve, and the top end of the sleeve is provided with the plug.
[0007] As a preferred technical scheme of the utility model, the top end of the plug is provided with the protective sleeve sleeved on the outside of the wire body, and the protective sleeve is movably connected with the plug.
[0008] As a preferred technical scheme of the utility model, the optical fiber assembly is connected with a broken rail far end transmitter at two ends, the broken rail far end transmitter includes a second display screen, an optical fiber synchronous trigger receiving interface, an optical fiber self-checking interface, a self-checking switch and a self-checking indicator light, and the second display screen, the optical fiber synchronous trigger receiving interface, the optical fiber self-checking interface, the self-checking switch and the self-checking indicator light are all arranged at the front end of the broken rail far end transmitter.
[0009] As a preferred technical scheme of the utility model, the broken rail far end transmitter further includes a second charging indicator light, a second charging interface, a power indicator light and a power switch, and the second charging indicator light, the second charging interface, the power indicator light and the power switch are all arranged at the front end of the broken rail far end transmitter.
[0010] As a preferred technical scheme of the utility model, the optical fiber synchronous trigger output interface and the optical fiber self-checking interface are both externally provided with a protective cover.
[0011] As a preferred technical scheme of the utility model, the detection assembly further includes a first charging indicator light, a first charging interface, an optical fiber synchronous trigger output interface, a USB interface, a COM interface, a TF card interface and a network interface, and the first charging indicator light, the first charging interface, the optical fiber synchronous trigger output interface, the USB interface, the COM interface, the TF card interface and the network interface are all arranged at the front end of the body.
[0012] Compared with the prior art, the utility model can achieve the beneficial effects that:
[0013] By arranging the detection assembly for checking the corrosion and crack damage of the iron rail at the front and rear ends of the body, the transmitting wave probe of one of the rails is connected with the CH0 transmitting interface, the receiving wave probe is connected with the CH0 receiving interface, the transmitting wave probe of the other rail is connected with the CH1 transmitting interface, and the receiving wave probe is connected with the CH1 receiving interface, so that the ultrasonic wave of the wave rail tester can be transmitted along the rail length, the area of any cross section change can be found, and the crack and corrosion of any part of the rail, including the corrosion crack of the bottom of the rail, can be detected by the wave generated in the rail. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front perspective structural schematic view of the wave rail tester of the utility model;
[0015] Figure 2 It is a rear perspective structural schematic view of the wave rail tester of the utility model;
[0016] Figure 3 It is an optical fiber structural schematic view of the wave rail tester of the utility model;
[0017] Figure 4 It is a structure diagram of the broken rail far-end transmitter of the utility model;
[0018] Among them: 1, the body; 2, the first display screen; 3, instrument switch; 4, detection assembly; 41, the first charging indicator; 42, the first charging interface; 43, optical fiber synchronous trigger output interface; 44, USB interface; 45, COM interface; 46, TF card interface; 47, network interface; 51, CH1 receiving interface; 52, CH1 transmitting interface; 53, CH0 transmitting interface; 54, CH0 receiving interface; 55, temperature and humidity sensor interface; 6, optical fiber assembly; 61, line body; 62, shell; 63, plug; 64, protective sleeve; 7, broken rail far-end transmitter; 71, second display screen; 72, second charging indicator; 73, second charging interface; 74, power indicator; 75, power switch; 76, optical fiber synchronous trigger receiving interface; 77, optical fiber self-checking interface; 78, self-checking switch; 79, self-checking indicator. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.
[0020] EMBODIMENT
[0021] Please refer to Figures 1-4 The utility model provides guide wave rail tester, including body 1, first display screen 2 and instrument switch 3 of setting in the top of body 1, its characterized in that: the front and rear ends of body 1 are provided with detection assembly 4 for self-checking rail corrosion and crack damage, and detection assembly 4 includes CH1 receiving interface 51, CH1 transmitting interface 52, CH0 transmitting interface 53, CH0 receiving interface 54, temperature and humidity sensor interface 55 and optical fiber assembly 6, CH1 receiving interface 51, CH1 transmitting interface 52, CH0 transmitting interface 53, CH0 receiving interface 54, temperature and humidity sensor interface 55 all are provided in the rear end of body 1, one end of optical fiber assembly 6 is connected with detection assembly 4, the other end of optical fiber assembly 6 is connected with rail, and one end of rail is provided with transmitting guide wave probe, and the other end is provided with receiving guide wave probe, the transmitting guide wave probe of one rail is connected with CH0 transmitting interface 53, and the receiving guide wave probe is connected with CH0 receiving interface 54, the transmitting guide wave probe of the other rail is connected with CH1 transmitting interface 52, and the receiving guide wave probe is connected with CH1 receiving interface 51;
[0022] As Figure 3As shown, the optical fiber assembly 6 includes a wire body 61, a sleeve 62, and a plug 63, the outer surface of the wire body 61 is sleeved with the sleeve 62, and the top end of the sleeve 62 is provided with the plug 63;
[0023] The outer surface of the plug 63 is provided with a protruding point position, and the protruding point is aligned with the optical fiber synchronous trigger output interface 43 for insertion, and then rotationally locked, and after being locked, it can be used;
[0024] As shown in the drawings, Figure 3 The top end of the plug 63 is provided with a protective sleeve 64 sleeved on the outside of the wire body 61, and the protective sleeve 64 is movably connected with the plug 63;
[0025] The protective sleeve 64 is arranged on the outside of the wire body 61 to protect the wire body 61 from being damaged, and is removed during use and sleeved during non-use;
[0026] As shown in the drawings, Figure 4 Both ends of the optical fiber assembly 6 are connected with a broken rail far-end transmitter 7, the broken rail far-end transmitter 7 includes a second display screen 71, an optical fiber synchronous trigger receiving interface 76, an optical fiber self-checking interface 77, a self-checking switch 78, and a self-checking indicator lamp 79, and the second display screen 71, the optical fiber synchronous trigger receiving interface 76, the optical fiber self-checking interface 77, the self-checking switch 78, and the self-checking indicator lamp 79 are all arranged at the front end of the broken rail far-end transmitter 7;
[0027] As shown in the drawings, Figure 4 The broken rail far-end transmitter 7 further includes a second charging indicator lamp 72, a second charging interface 73, a power indicator lamp 74, and a power switch 75, and the second charging indicator lamp 72, the second charging interface 73, the power indicator lamp 74, and the power switch 75 are all arranged at the front end of the broken rail far-end transmitter 7;
[0028] As shown in the drawings, Figure 1 and Figure 4 The outer surfaces of the optical fiber synchronous trigger output interface 43 and the optical fiber self-checking interface 77 are both provided with protective covers;
[0029] The protective covers are arranged on the outer surfaces of the optical fiber synchronous trigger output interface 43 and the optical fiber self-checking interface 77 to protect the optical fiber synchronous trigger output interface 43 and the optical fiber self-checking interface 77 from being damaged, and are removed during use and sleeved during non-use;
[0030] As shown in the drawings, Figure 1 The detection assembly 4 further includes a first charging indicator lamp 41, a first charging interface 42, an optical fiber synchronous trigger output interface 43, a USB interface 44, a COM interface 45, a TF card interface 46, and a network interface 47, and the first charging indicator lamp 41, the first charging interface 42, the optical fiber synchronous trigger output interface 43, the USB interface 44, the COM interface 45, the TF card interface 46, and the network interface 47 are all arranged at the front end of the body 1;
[0031] The specific working principle is as follows:
[0032] When the rail corrosion and crack damage of the steel rail need to be detected, the optical fiber assembly 6 is first self-checked, the two ends of the wire body 61 are respectively connected to the optical fiber synchronous trigger receiving interface 76 and the optical fiber self-checking interface 77, then the power switch 75 is turned on, and then the self-checking switch 78 is turned on. When the self-checking switch 78 is turned on, the light above the self-checking indicating lamp 79 is always on. If the light below the self-checking indicating lamp 79 flashes, the optical fiber assembly 6 is not a problem. If it does not flash, first observe whether the optical fiber assembly 6 is inserted. If the optical fiber assembly 6 is inserted, the optical fiber assembly 6 is damaged, and the optical fiber assembly 6 is replaced and tested until it is confirmed that the optical fiber assembly 6 is not a problem. Then, before the body 1 is turned on, one end of the temperature and humidity sensor is connected to the temperature and humidity sensor interface 55 of the body 1 to perform temperature sensing. Then, the transmitting wave probe of one of the steel rails is connected to the CH0 transmitting interface 53, and the receiving wave probe is connected to the CH0 receiving interface 54. The transmitting wave probe of the other steel rail is connected to the CH1 transmitting interface 52, and the receiving wave probe is connected to the CH1 receiving interface 51. Finally, the instrument switch 3 on the body 1 is turned on, and the single-transmitting and single-receiving detection operation is completed. Alternatively, the transmitting wave probe of one of the steel rails is connected to the CH0 transmitting interface 53, and the transmitting wave probe of the other steel rail is connected to the CH1 transmitting interface 52, and the self-transmitting and self-receiving detection operation is completed.
[0033] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A guided wave rail tester comprising a body (1), a first display screen (2) and an instrument switch (3) provided at the top end of the body (1), characterised in that: The front and rear ends of the body (1) are provided with a detection assembly (4) for detecting rail corrosion and crack damage, the detection assembly (4) comprises a CH1 receiving interface (51), a CH1 transmitting interface (52), a CH0 transmitting interface (53), a CH0 receiving interface (54), a temperature and humidity sensor interface (55) and an optical fiber assembly (6), the CH1 receiving interface (51), the CH1 transmitting interface (52), the CH0 transmitting interface (53), the CH0 receiving interface (54) and the temperature and humidity sensor interface (55) are arranged at the rear end of the body (1), one end of the optical fiber assembly (6) is connected with the detection assembly (4), and the other end of the optical fiber assembly (6) is connected with a rail.
2. The guided wave rail tester of claim 1, wherein: The optical fiber assembly (6) comprises a wire body (61), a sleeve (62) and a plug (63), the outer surface of the wire body (61) is sleeved with the sleeve (62), and the top end of the sleeve (62) is provided with the plug (63).
3. The guided wave rail tester of claim 2, wherein: The top end of the plug (63) is provided with a protective sleeve (64) sleeved outside the wire body (61), and the protective sleeve (64) is movably connected with the plug (63).
4. The guided wave rail tester of claim 1, wherein: Both ends of the optical fiber assembly (6) are connected with a broken rail far-end transmitter (7), the broken rail far-end transmitter (7) comprises a second display screen (71), an optical fiber synchronous trigger receiving interface (76), an optical fiber self-checking interface (77), a self-checking switch (78) and a self-checking indicator (79), and the second display screen (71), the optical fiber synchronous trigger receiving interface (76), the optical fiber self-checking interface (77), the self-checking switch (78) and the self-checking indicator (79) are arranged at the front end of the broken rail far-end transmitter (7).
5. The guided wave rail tester of claim 4, wherein: The broken rail far-end transmitter (7) further comprises a second charging indicator (72), a second charging interface (73), a power indicator (74) and a power switch (75), and the second charging indicator (72), the second charging interface (73), the power indicator (74) and the power switch (75) are arranged at the front end of the broken rail far-end transmitter (7).
6. The guided wave rail tester of claim 4, wherein: The detection assembly (4) further comprises a first charging indicator (41), a first charging interface (42), an optical fiber synchronous trigger output interface (43), a USB interface (44), a COM interface (45), a TF card interface (46) and a network interface (47), and the first charging indicator (41), the first charging interface (42), the optical fiber synchronous trigger output interface (43), the USB interface (44), the COM interface (45), the TF card interface (46) and the network interface (47) are arranged at the front end of the body (1).
7. The guided wave rail tester of claim 6, wherein: Protection covers are arranged outside the optical fiber synchronous trigger output interface (43) and the optical fiber self-checking interface (77).