Rail automatic detection device with protection effect

Abstract

This utility model discloses an automatic track detection device with protective effect, relating to the field of track detection technology. It includes a first support block, a second support block, telescopic rods, a first detection head, and a drive shaft. A protective structure is provided on the side of the first support block. The protective structure includes a protective frame, a first assembly slot, and a second assembly slot. The second assembly slot is located above the protective frame, and the first assembly slot is located below the protective frame. The telescopic rods, symmetrically arranged on the first and second support blocks, can flexibly adjust their spacing to adapt to different track gauges, improving versatility. The symmetrical support structure of the support wheels enhances the overall stability of the device, reduces swaying during movement, and protects the detection components.

Description

Technical Field

[0001] This utility model relates to the field of track detection technology, specifically to an automatic track detection device with protective effects. Background Technology

[0002] As the core load-bearing structure of railway and urban rail transit systems, the track's geometric parameters and structural integrity directly determine the safety and smoothness of train operation. Therefore, periodic and precise inspections are necessary to achieve full life-cycle safety management. Currently, there are two mainstream technical solutions in the field of track inspection, but both have significant technical bottlenecks:

[0003] Manual inspection not only faces problems of high labor intensity and low work efficiency, but also suffers from high subjectivity and poor accuracy consistency due to reliance on manual interpretation. Furthermore, it is limited by environmental factors such as lighting and climate, making it difficult to achieve continuous monitoring around the clock and easily creating blind spots. Traditional automatic inspection devices generally suffer from the common problems of lacking protection mechanisms and insufficient adaptability to different scenarios. Specifically, they lack specialized protection designs for core inspection components, making it difficult to withstand external interference such as impacts from gravel along the track and vibration loads. At the same time, structural stability and inspection accuracy are difficult to guarantee under complex working conditions.

[0004] Taking the track detection device described in application number CN202421677623.8 as an example, although it achieves position adaptation of the information receiving unit through the adjustment mechanism, improving the convenience of human-computer interaction, it has obvious shortcomings in core performance: On the one hand, it does not have an independent protective frame and elastic buffer components, and the detection unit is directly integrated into the cavity of the moving base, which has weak impact resistance. When encountering severe track vibration or collision with external foreign objects, it is very easy to damage precision components such as sensors; on the other hand, the walking system only relies on rollers to achieve movement, lacking lateral guidance and limiting mechanisms and dual-sided synchronous transmission design. When there are local concavities or deviations in the track, it is easy to cause lateral offset, resulting in drift of the detection reference and significantly affecting the reliability of the data.

[0005] Based on this, this solution proposes "an automatic track detection device with protective effect" to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide an automatic track detection device with protective effect, in order to solve the problems mentioned in the background art, such as the lack of an independent protective frame and elastic buffer components in existing market equipment, weak impact resistance, and the reliance on rollers for the walking system, which leads to drift of the detection reference and affects the reliability of the data.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic track detection device with protective effect, comprising a first bearing block, a second bearing block, a telescopic rod, a first detection head, and a transmission shaft;

[0008] The first bearing block has a protective structure on its side. The protective structure includes a protective frame, a first assembly slot and a second assembly slot. The second assembly slot is located above the protective frame and the first assembly slot is located below the protective frame.

[0009] As a preferred technical solution of this utility model, a first detection head is fixedly connected to the lower side of the first bearing block, and a pair of bearing wheels are rotatably connected to the lower side of the first bearing block. One of the bearing wheels is fixedly connected to one end of a transmission shaft, and a first gear is fixedly connected to the side of the transmission shaft. The first gear meshes with a second gear, the second gear is fixedly connected to the motor output shaft, and the side of the motor is fixedly connected to the second bearing block.

[0010] Using the above technical solution, the first detection head fixed below the side of the first bearing block can move with the device to detect key parts of the track in real time. In conjunction with the motor, the transmission shaft is driven by the first gear and the second gear to drive the bearing wheel to move automatically, realizing dynamic and continuous monitoring of the track and reducing missed detections. The stability of the gear transmission ensures that the bearing wheel moves at a uniform speed, reducing detection data errors and improving accuracy. At the same time, it reduces manual intervention and improves detection efficiency.

[0011] As a preferred technical solution of this utility model, the other end of the transmission shaft is fixedly connected to a bearing wheel, the bearing wheel is rotatably connected to the bottom of the second bearing block, the side of the second bearing block is fixedly connected to a telescopic rod, and the first bearing block is fixedly connected to a telescopic rod of the same structure on one side.

[0012] The above technical solution is adopted, with the first and second bearing blocks connected to the bearing wheels at both ends of the drive shaft respectively, to ensure that the bearing wheels on both sides rotate synchronously, avoid the device from deviating, and ensure the stability of the detection path; both the first and second bearing blocks are equipped with telescopic rods, which can flexibly adjust the spacing to adapt to different track gauges, improve versatility, and the symmetrical bearing wheel support structure enhances the overall stability of the device and reduces walking sway.

[0013] As a preferred technical solution of this utility model, the first bearing block is slidably connected to one side of the protective frame via a telescopic rod, and the other side of the protective frame is slidably connected to the second bearing block. The second bearing block has the same structure as the first bearing block. A second spring is fixedly connected between the first bearing block and the second bearing block. A pair of second detection heads are fixedly connected to the bottom of the protective frame, and a pair of first assembly slots are opened below the protective frame. A first assembly slot is opened above the protective frame, and a bearing platform is fixed above the first assembly slot.

[0014] Using the above technical solution, the first and second bearing blocks are slidably connected to the protective frame via telescopic rods, and with the help of the second spring, they can adapt to track width fluctuations and buffer vibrations to protect the detection head; the second detection head at the bottom of the protective frame and the first detection head form a multi-directional detection, improving comprehensiveness; the first assembly slot, the second assembly slot and the bearing platform provide space for the installation of auxiliary equipment, enhance functional expandability, and further strengthen the protection and detection effect.

[0015] As a preferred embodiment of this utility model, a guide rod is slidably connected below the first bearing block, and a first spring is clamped between the guide rod and the first bearing block. The guide rod consists of three rods of two different diameters. A wheel frame is fixedly connected to the side of the guide rod, and a fitting wheel is rotatably connected to the side of the wheel frame.

[0016] Using the above technical solution, the guide rod cooperates with the first spring to ensure that the contact wheel on the wheel frame is always in close contact with the side of the track. The spring deformation adapts to the slight concavity and convexity of the track, avoiding device displacement that would cause detection position deviation. Guide rods of different diameters combine flexibility and rigidity, making them easy to adjust and able to withstand lateral forces, thus extending their service life. The contact wheel and the load-bearing wheel cooperate to form a stable structure, reducing shaking and improving the reliability of detection data.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. The first detection head below the side of the first bearing block can move with the device to detect key parts of the track in real time. The motor drives the transmission shaft through the first gear and the second gear to drive the bearing wheel to achieve automatic movement, reduce manual intervention, and improve the continuity and efficiency of detection. The stability of the gear transmission ensures that the bearing wheel moves at a uniform speed, reduces detection data errors, and enhances detection accuracy.

[0019] 2. The drive shaft is connected to the bearing wheels of the first and second bearing blocks at both ends to ensure that the bearing wheels on both sides rotate synchronously, avoid the device from deviating, and ensure the stability of the detection path; the telescopic rods symmetrically arranged on the first and second bearing blocks can flexibly adjust the spacing to adapt to different track gauges and improve versatility; the symmetrical bearing wheel support structure enhances the overall stability of the device, reduces walking sway, and protects the detection components.

[0020] 3. The first and second bearing blocks are slidably connected to the protective frame via telescopic rods. In conjunction with the second spring, they can adapt to track width fluctuations, buffer vibrations to protect the detection head, and enhance the protective effect. The second detection head at the bottom of the protective frame forms a multi-directional detection combination with the first detection head, improving the comprehensiveness of the detection. The first and second assembly slots and the bearing platform of the protective frame provide space for the installation of auxiliary equipment, enhancing the functional expandability.

[0021] 4. The guide rod and the first spring work together to ensure that the contact wheel on the wheel frame is always in close contact with the side of the track. The spring deformation adapts to the slight concavity and convexity of the track, avoiding device offset and detection position deviation. The guide rods of different diameters combine flexibility and rigidity, making them easy to adjust and able to withstand lateral forces, thus extending their service life. The contact wheel and the load-bearing wheel work together to form a stable structure, reducing walking sway and improving the reliability of detection data. Attached Figure Description

[0022] Figure 1 This is a side view of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the second bearing block and telescopic rod structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the motor and the first gear structure of this utility model;

[0025] Figure 4 This is a side view of the support platform structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the second spring and protective frame structure of this utility model;

[0027] Figure 6 This is a schematic diagram of the wheel frame and guide rod structure of this utility model.

[0028] In the diagram: 1. First bearing block; 2. Second bearing block; 3. Telescopic rod; 4. First detection head; 5. Second detection head; 6. Fitting wheel; 7. Bearing wheel; 8. First spring; 9. Protective frame; 10. First assembly slot; 11. Second assembly slot; 12. Bearing platform; 13. Wheel frame; 14. Second spring; 15. Guide rod; 16. Motor; 17. First gear; 18. Second gear; 19. Drive shaft. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figure 1-6The technical solution of this utility model includes: a first bearing block 1, a second bearing block 2, a telescopic rod 3, a first detection head 4, a second detection head 5, a bonding wheel 6, a bearing wheel 7, a first spring 8, a protective frame 9, a first assembly groove 10, a second assembly groove 11, a bearing platform 12, a wheel frame 13, a second spring 14, a guide rod 15, a motor 16, a first gear 17, a second gear 18, and a transmission shaft 19;

[0031] The first detection head 4, fixedly connected to the lower side of the first bearing block 1, can monitor the key areas of the track in real time as the device moves, and its detection path is strictly synchronized with the device's walking trajectory. Among the pair of bearing wheels 7 rotatably connected below the first bearing block 1, one of them forms a rigid transmission chain with the first gear 17 through the transmission shaft 19. The output shaft of the motor 16 drives the second gear 18 to mesh with the first gear 17, forming a stable reduction drive system, which drives the bearing wheel 7 to achieve automated walking. This structure, through the rigid transmission chain of motor 16-gear-transmission shaft 19, ensures the uniformity and stability of the device's walking speed, effectively reduces the drift of detection data caused by speed fluctuations, and improves dynamic detection accuracy. At the same time, the automated drive mode greatly reduces manual intervention and significantly improves the continuity and efficiency of track detection.

[0032] The two ends of the drive shaft 19 are rigidly connected to the bearing wheels 7 at the bottom of the first bearing block 1 and the second bearing block 2, respectively, forming a coaxial connection. The forced synchronous rotation of the bearing wheels 7 on both sides is achieved through a single transmission component, eliminating the deviation problem caused by the speed difference between the two wheels from a structural perspective, and ensuring the straightness and stability of the detection path. The telescopic rods 3 symmetrically arranged on the sides of the second bearing block 2 and the first bearing block 1 can be adjusted steplessly by adjusting the telescopic amount to meet the adaptation requirements of different track gauges such as standard rails and narrow rails, significantly improving the scene adaptability of the device. The symmetrically distributed bearing wheel 7 support structure is designed with mechanical balance to reduce the tilt and sway during the movement of the device, providing a stable working environment for the detection components.

[0033] The first bearing block 1 and the second bearing block 2 form a sliding connection pair with the protective frame 9 through the telescopic rod 3. Together with the second spring 14 between them, they form an elastic buffer mechanism. The spring deformation can absorb the impact load caused by track width fluctuations or local unevenness, thereby achieving shock absorption and protection for precision components such as the first detection head 4. The pair of second detection heads 5 fixed to the bottom of the protective frame 9 and the first detection head 4 form a spatially distributed multi-dimensional detection matrix, covering the track section such as the rail top, rail waist, and rail bottom from different directions, significantly improving the comprehensiveness of detection coverage. The first assembly slot 10, the second assembly slot 11 and the bolt-fixed bearing platform 12 opened at the top and bottom of the protective frame 9 constitute a standardized modular expansion interface, which can be compatible with auxiliary equipment such as data storage, lighting, and early warning, realizing flexible expansion of functions and enhancing the system integration of the device.

[0034] The guide rod 15, which is slidably connected below the first bearing block 1, and the first spring 8 form an elastic pre-tightening contact mechanism. The spring pre-tightening force ensures that the contact wheel 6 on the wheel frame 13 always maintains reliable contact with the side of the track. Even if there are slight protrusions or depressions in the track, the micro-morphology of the contact wheel 6 can still adaptively follow through the deformation of the spring, effectively avoiding detection position deviation caused by lateral offset of the device. The three guide rods 15, composed of two different diameter round rods, form a composite guide structure. The sliding fit part ensures the flexibility of adjustment, while the variable diameter section enhances the structural rigidity, can withstand lateral loads during travel, and extends the service life of the components. The contact wheel 6 and the bearing wheel 7 form a "lateral limit-vertical support" collaborative constraint mechanism, which further improves the posture stability of the device during travel, provides high-precision benchmark positioning for the detection head, and ensures the reliability of the detection data.

[0035] Working principle: When the automatic track detection device with protective effect is in use, the motor 16 starts and its output shaft drives the second gear 18 to rotate. Through the meshing transmission with the first gear 17, the transmission shaft 19 is driven to rotate, which in turn drives the bearing wheels 7 connected at both ends to rotate synchronously, so that the first bearing block 1 and the second bearing block 2 can move automatically along the track, realizing the automatic movement of the device.

[0036] During the movement, the first detection head 4 below the side of the first bearing block 1 moves with the device to perform real-time detection on key parts of the track, such as the rail surface and rail side; at the same time, the second detection head 5 at the bottom of the protective frame 9 performs synchronous detection from another angle, such as the rail bottom or rail top, forming a multi-directional detection combination to comprehensively collect track status data.

[0037] The stability and adaptability of the device are ensured through a multi-layered structure: the first support block 1 and the second support block 2 are slidably connected to the protective frame 9 via a telescopic rod 3, and with the second spring 14 between them, the spacing can be adaptively adjusted when there are slight fluctuations in the track width, buffering vibrations to protect the detection head; the guide rod 15 below the first support block 1 cooperates with the first spring 8 to ensure that the contact wheel 6 on the wheel frame 13 is always in close contact with the side of the track, and even if there are slight bumps in the track, it can be adaptively adjusted by the deformation of the spring to avoid device deviation and ensure accurate detection position; the drive shaft 19 drives the two support wheels 7 on both sides to rotate synchronously, and with the symmetrical support structure, it further prevents the device from deviating and ensures the stability of the travel path;

[0038] In addition, the protective frame 9 provides installation space for auxiliary equipment such as data loggers and early warning sensors through the first assembly slot 10, the second assembly slot 11 and the support platform 12, thus expanding the detection function. In the overall structure, the protective frame 9 forms physical protection for each detection component, reducing the damage of external impacts to the core components, and ultimately achieving efficient, accurate and stable detection of the track.

[0039] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic track detection device with protective effect, comprising a first bearing block (1); characterized in that: The first bearing block (1) has a protective structure on its side. The protective structure includes a protective frame (9), a first assembly slot (10), and a second assembly slot (11). The second assembly slot (11) is located above the protective frame (9), and the first assembly slot (10) is located below the protective frame (9).

2. The automatic track detection device with protective effect according to claim 1, characterized in that, The first bearing block (1) is fixedly connected to the lower side of the first detection head (4). A pair of bearing wheels (7) are rotatably connected to the lower side of the first bearing block (1). One of the bearing wheels (7) is fixedly connected to one end of the transmission shaft (19). The transmission shaft (19) is fixedly connected to the side of the first gear (17). The first gear (17) meshes with the second gear (18). The second gear (18) is fixedly connected to the output shaft of the motor (16). The side of the motor (16) is fixedly connected to the second bearing block (2).

3. The automatic track detection device with protective effect according to claim 2, characterized in that, The other end of the drive shaft (19) is fixedly connected to the bearing wheel (7), the bearing wheel (7) is rotatably connected to the bottom of the second bearing block (2), the side of the second bearing block (2) is fixedly connected to the telescopic rod (3), and the side of the first bearing block (1) is fixedly connected to the telescopic rod (3) of the same structure.

4. The automatic track detection device with protective effect according to claim 3, characterized in that, The first bearing block (1) is slidably connected to one side of the protective frame (9) via a telescopic rod (3), and the other side of the protective frame (9) is slidably connected to the second bearing block (2). The second bearing block (2) has the same structure as the first bearing block (1). The first bearing block (1) and the second bearing block (2) are fixedly connected to a second spring (14). A pair of second detection heads (5) are fixedly connected to the bottom of the protective frame (9), and a pair of first assembly slots (10) are opened below the protective frame (9). A first assembly slot (10) is opened above the protective frame (9), and a bearing platform (12) is bolted above the first assembly slot (10).

5. The automatic track detection device with protective effect according to claim 4, characterized in that, A guide rod (15) is slidably connected below the first bearing block (1). A first spring (8) is sandwiched between the guide rod (15) and the first bearing block (1). There are three guide rods (15) in total, which are composed of two different diameter round rods. A wheel frame (13) is fixedly connected to the side of the guide rod (15). A fitting wheel (6) is rotatably connected to the side of the wheel frame (13).

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