A railway track fastening detection instrument

Abstract

This utility model relates to the field of railway track inspection technology, specifically disclosing a railway track fastener inspection instrument, including a housing. A quick-locking mechanism is provided at the bottom of the housing, comprising two docking blocks. An electromagnetic impedance detector body is housed within the inner cavity of the housing. The tops of the two docking blocks are fixedly connected to the bottom of the electromagnetic impedance detector body. Slots adapted to the docking blocks are provided on both sides of the bottom of the inner cavity of the housing. This utility model enables convenient installation and secure fixing of the electromagnetic impedance detector body, effectively reducing the impact of vibration or collision during transportation and use, thereby improving the durability of the equipment and the reliability of the inspection data. It also provides good fixing for the connecting wires, further ensuring the stable operation of the inspection process.

Description

Technical Field

[0001] This utility model belongs to the field of railway track inspection technology, specifically relating to a railway track fastener inspection instrument. Background Technology

[0002] Railway track fastener testing instruments play a crucial role in railway transportation safety monitoring. As a key component of track condition assessment, their testing efficiency and accuracy have a decisive impact on the safety and stability of train operation. Especially under the long-term influence of multiple factors such as high-speed train operation, vibration, and environmental changes, track components, particularly bolts in concrete sleepers, are prone to loosening, breakage, or corrosion. Failure to detect and address these issues promptly can lead to serious safety accidents.

[0003] To ensure railway safety, personnel need to regularly inspect various components on the rails. Among these, the bolts on concrete sleepers, which form the foundation for reinforcing the rails, are of paramount importance for checking their tightness. Typically, personnel can use an electromagnetic impedance meter (EMIM) to quickly detect whether the bolts are loose. However, the weight of the EMIM is a limitation, and carrying it for extended periods can quickly lead to worker fatigue. Using a vehicle to operate the EMIM is also problematic due to ground conditions; the EMIM can be subject to impacts inside the vehicle, making it inconvenient for personnel. Specifically, existing testing equipment faces significant challenges in outdoor complex terrain environments, including difficulty in carrying it and poor protective performance. These issues directly reduce testing efficiency, increase operational complexity, and make it difficult to meet the ever-increasing demand for high-frequency, high-intensity inspections within the railway system.

[0004] Therefore, the applicant proposes a railway track fastener testing instrument to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a railway track fastener testing instrument to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A railway track fastener testing instrument includes a housing. A quick-locking mechanism is provided at the bottom of the housing, and the quick-locking mechanism includes two docking blocks. An electromagnetic impedance detector body is provided inside the housing. The tops of the two docking blocks are fixedly connected to the bottom of the electromagnetic impedance detector body. Slots adapted to the docking blocks are provided on both sides of the bottom of the housing. An insertion hole is provided at one end of each docking block. A bottom frame is fixedly connected to the bottom of the housing. Insert rods are provided on both sides of the inner cavity of the bottom frame. One end of each insertion rod passes through the side wall of the adjacent bottom frame and is fixedly connected to a limiting piece. One end of each insertion rod is inserted into the corresponding insertion hole.

[0008] Preferably, the outer ring of the insertion rod is fitted with a baffle plate, and one end of the baffle plate is in contact with one side of the adjacent mating block.

[0009] Preferably, the outer ring of the insertion rod is fitted with a spring, one end of the spring is fixedly connected to the inner wall of the adjacent bottom frame, and the other end of the spring is fixedly connected to one side of the adjacent baffle.

[0010] Preferably, casters are fixedly connected to the four corners of the bottom of the box, a handle is fixedly connected to one side of the box, and a cover is rotatably connected to the top side of the box via a hinge.

[0011] Preferably, the two baffles are fixedly connected by a horizontal plate, a handle is fixedly connected to one side of the horizontal plate, and a storage groove adapted to the handle is provided on one side of the bottom frame.

[0012] Preferably, a through groove is provided on one side of the box body, and a baffle is vertically provided on one side of the through groove and in the inner cavity of the box body. Displacement blocks are fixedly connected to both sides of the outer wall of one side of the baffle. Displacement grooves adapted to the displacement blocks are provided on both sides of the inner wall of one side of the box body. A damper is fixedly connected to the inner wall of one side of the displacement groove, and one end of the damper is fixedly connected to one side of the adjacent displacement block.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The design of the quick-locking mechanism enables the electromagnetic impedance tester to be easily installed and securely fixed, effectively reducing the impact of vibration or collision during transportation and use, thereby improving the durability of the equipment and the reliability of the test data. At the same time, it plays a good role in fixing the connecting wires, further ensuring the stability of the testing process.

[0015] This design achieves reasonable control and effective protection of the probe cable entry channel. The through slot provides a fixed path for the cable to enter the housing, and the baffle can open or close the channel during sliding, facilitating wiring operations and preventing external impurities from entering. The displacement slot provides guiding support for the movement of the baffle, ensuring smooth and stable opening and closing. The damper acts as a buffer during the baffle's reset process, preventing rapid closure from causing cable compression or structural impact. This combined structure not only improves the stability and safety of the cable connection but also enhances the overall dustproof and moisture-proof performance of the equipment, effectively extending the instrument's service life and improving the convenience and reliability of on-site operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the box structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the quick-locking mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the slot structure of this utility model;

[0020] Figure 5 For the present utility model Figure 2 Enlarged view of point A in the middle.

[0021] In the diagram: 1. Housing; 2. Through slot; 3. Base frame; 4. Casters; 5. Handle; 6. Cover plate; 7. Baffle; 8. Electromagnetic impedance detector body; 9. Quick locking mechanism; 901. Connecting block; 902. Insert rod; 903. Limiting plate; 904. Spring; 905. Baffle plate; 906. Horizontal plate; 907. Handle; 908. Socket; 10. Storage slot; 11. Displacement slot; 12. Damper; 13. Slot. Detailed Implementation

[0022] 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.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example 1:

[0026] Please see Figures 1-5 As shown, a railway track fastener testing instrument includes a housing 1. A quick-locking mechanism 9 is provided at the bottom of the housing 1. The quick-locking mechanism 9 includes two docking blocks 901. An electromagnetic impedance detector body 8 is provided in the inner cavity of the housing 1. The tops of the two docking blocks 901 are fixedly connected to the bottom of the electromagnetic impedance detector body 8. Slots 13 adapted to the docking blocks 901 are provided on both sides of the bottom of the inner cavity of the housing 1. An insertion hole 908 is provided at one end of the docking block 901. A bottom frame 3 is fixedly connected to the bottom of the housing 1. Insert rods 902 are provided on both sides of the inner cavity of the bottom frame 3. One end of the insertion rod 902 passes through the side wall of the adjacent bottom frame 3 and is fixedly connected to a limiting piece 903. One end of the insertion rod 902 is inserted into the corresponding insertion hole 908.

[0027] The outer ring of the insertion rod 902 is fitted with a baffle 905, one end of which is in contact with one side of the adjacent mating block 901.

[0028] A spring 904 is fitted around the outer ring of the insertion rod 902. One end of the spring 904 is fixedly connected to the inner wall of the adjacent bottom frame 3, and the other end of the spring 904 is fixedly connected to one side of the adjacent baffle 905.

[0029] As can be seen from the above, when personnel need to check the loosening or other conditions of the bolts on the concrete sleeper, they first pull the handle 907 set on the housing 1. The handle 907 drives the horizontal plate 906 to move backward, thereby causing the insertion rod 902 to disengage from the insertion hole 908, thus releasing the locking state of the electromagnetic impedance detector body 8. During this process, the spring 904 is compressed and accumulates restoring force. Then, the personnel align the mating blocks 901 on both sides of the bottom of the electromagnetic impedance detector body 8 with the corresponding slots 13 inside the housing 1 and insert them vertically downward, so that the electromagnetic impedance detector body 8 is stably installed in the inner cavity of the housing 1. After installation, the handle is released. 907. Under the elastic force of spring 904, the horizontal plate 906 automatically resets, driving the two insertion rods 902 to move forward synchronously until they are inserted into the insertion holes 908 on both sides of the electromagnetic impedance detector body 8, achieving a quick locking function. This ensures that the detector will not shift or fall off due to vibration during transportation or use. Then, the operator pushes the baffle 7 to slide along the displacement groove 11, exposing the previously blocked through groove 2. This allows the probe wire compatible with the electromagnetic impedance detector body 8 to pass through the through groove 2 and be introduced into the housing 1, establishing an electrical connection with the electromagnetic impedance detector body 8. After completing the wiring operation, the baffle 7 is released, and under the action of the damper 12... The baffle 7 slowly resets and fits into the through slot 2, clamping and limiting the wire to prevent it from coming loose or shaking due to external pulling. Then, the cover 6 is closed to further protect the internal equipment from external environmental influences. Finally, using the handle 5 and the casters 4 located below the base frame 3, the entire housing 1 is easily moved to the target testing point. It can move flexibly and maintain stability even in complex terrain along railway tracks. Once at the designated position, the operator removes the probe and contacts it with the bolt to be tested. Combined with the electromagnetic impedance detector body 8, this allows for efficient and accurate testing of the concrete sleeper bolt tightness. This design effectively solves the problems of traditional electromagnetic impedance... To address the issues of inconvenience in carrying, poor protection, and cumbersome operation of electromagnetic impedance detectors during outdoor operations, the quick-locking mechanism 9 utilizes a combination of the docking block 901, insertion rod 902, spring 904, and insertion hole 908 to achieve rapid assembly, disassembly, and secure fixing of the electromagnetic impedance detector body 8. This prevents damage caused by vibration or collision during transportation and use, thereby improving the equipment's lifespan and testing accuracy. The linkage structure between the baffle 7 and the damper 12 can clamp and limit the wires inserted into the through groove 2 without affecting the wiring operation, effectively preventing the wires from loosening or breaking and ensuring the stability of the testing process.

[0030] Example 2:

[0031] Please see Figures 1-5 As shown, casters 4 are fixedly connected to the four corners of the bottom of the box 1, a handle 5 is fixedly connected to one side of the box 1, and a cover plate 6 is rotatably connected to the top side of the box 1 via a hinge.

[0032] The two baffles 905 are fixedly connected by a horizontal plate 906. A handle 907 is fixedly connected to one side of the horizontal plate 906. A storage slot 10 adapted to the handle 907 is provided on one side of the bottom frame 3.

[0033] A through groove 2 is provided on one side of the box body 1. A baffle 7 is vertically provided on one side of the through groove 2 and inside the cavity of the box body 1. Displacement blocks are fixedly connected to both sides of the outer wall of one side of the baffle 7. Displacement grooves 11 adapted to the displacement blocks are provided on both sides of the inner wall of one side of the box body 1. A damper 12 is fixedly connected to the inner wall of one side of the displacement groove 11, and one end of the damper 12 is fixedly connected to one side of the adjacent displacement block.

[0034] As can be seen from the above, through the coordinated arrangement of the insertion rod 902, the baffle 905, and the docking block 901, after the electromagnetic impedance detector body 8 is inserted into the inner cavity of the housing 1, the baffle 905 is tightly attached to the surface of the docking block 901, playing a limiting and supporting role, preventing the insertion rod 902 from shifting or slipping in the non-operating state. This structure enhances the stability of the locking mechanism, improves the anti-loosening ability of the equipment during transportation, and thus improves the overall connection firmness and safety of use. Through the coordinated arrangement of the insertion rod 902, the spring 904, and the baffle 905, when the person pulls the handle 907 to move the horizontal plate 906, the spring 904 is compressed and accumulates elastic force; after releasing the handle 907, the spring 904 returns to its deformation, pushing the baffle 905 and the insertion rod 902 to automatically reset, realizing the rapid locking of the electromagnetic impedance detector body 8. This structure simplifies the operation steps and improves the automation level and response speed of the locking mechanism. This design enhances ease of use and reliability. Through the coordinated arrangement of the housing 1, casters 4, handle 5, and cover 6, operators can easily push and pull the entire device using handle 5, adapting to the flexible movement needs of complex terrain along railway lines. The cover 6 effectively protects the equipment inside the housing 1 from external factors such as dust and rain. This structure reduces the intensity of manual handling, improves on-site work efficiency, and enhances the overall protective performance of the equipment. Through the coordinated arrangement of the baffle 905, horizontal plate 906, handle 907, and storage slot 10, the handle 907 can move along with the horizontal plate 906 to control the extension and retraction of the insertion rod 902, facilitating quick installation or disassembly of the electromagnetic impedance detector body 8. When not in use, the handle 907 can be stored in the storage slot 10, preventing protruding structures from causing bumps or affecting the overall appearance. This structure not only optimizes the operation process but also improves the portability and aesthetics of the equipment.

[0035] 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. A railway track fastener testing instrument, comprising a housing (1), characterized in that: A quick-locking mechanism (9) is provided at the bottom of the housing (1). The quick-locking mechanism (9) includes two docking blocks (901). An electromagnetic impedance detector body (8) is provided in the inner cavity of the housing (1). The tops of the two docking blocks (901) are fixedly connected to the bottom of the electromagnetic impedance detector body (8). Slots (13) adapted to the docking blocks (901) are provided on both sides of the bottom of the inner cavity of the housing (1). An insertion hole (908) is provided at one end of the docking block (901). A bottom frame (3) is fixedly connected to the bottom of the housing (1). Insert rods (902) are provided on both sides of the inner cavity of the bottom frame (3). One end of the insertion rod (902) passes through the side wall of the adjacent bottom frame (3) and is fixedly connected to a limiting piece (903). One end of the insertion rod (902) is inserted into the corresponding insertion hole (908).

2. The railway track fastener testing instrument according to claim 1, characterized in that: The outer ring of the insertion rod (902) is fitted with a baffle (905), one end of which is in contact with one side of the adjacent mating block (901).

3. The railway track fastener testing instrument according to claim 2, characterized in that: The outer ring of the insert rod (902) is fitted with a spring (904). One end of the spring (904) is fixedly connected to the inner wall of the adjacent bottom frame (3), and the other end of the spring (904) is fixedly connected to one side of the adjacent baffle (905).

4. The railway track fastener testing instrument according to claim 1, characterized in that: The box (1) has four casters (4) fixedly connected to the bottom corners, a handle (5) fixedly connected to one side of the box (1), and a cover plate (6) rotatably connected to the top side of the box (1) via a hinge.

5. A railway track fastener testing instrument according to claim 2, characterized in that: The two baffles (905) are fixedly connected by a horizontal plate (906), and a handle (907) is fixedly connected to one side of the horizontal plate (906). A storage slot (10) adapted to the handle (907) is provided on one side of the bottom frame (3).

6. The railway track fastener testing instrument according to claim 1, characterized in that: A through groove (2) is provided on one side of the box (1). A baffle (7) is vertically provided on one side of the through groove (2) and in the inner cavity of the box (1). Displacement blocks are fixedly connected to both sides of the outer wall of one side of the baffle (7). Displacement grooves (11) adapted to the displacement blocks are provided on both sides of the inner wall of one side of the box (1). A damper (12) is fixedly connected to the inner wall of one side of the displacement groove (11), and one end of the damper (12) is fixedly connected to one side of the adjacent displacement block.

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