Rapid detection device for looseness of steel rail fastener

By designing a fast detection device including motion detection, strike vibration testing and camera mechanism, the problem of low manual detection efficiency is solved, and efficient and convenient rail fastener loose detection and fastening operation is achieved.

CN120489531AActive Publication Date: 2025-08-15LANZHOU JIAOTONG UNIV

Patent Information

Application Number
CN202510662553.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-22
Publication Date
2025-08-15
Estimated Expiration
2045-05-22

AI Technical Summary

Technical Problem

In the prior art, the detection of loose rail fasteners mainly relies on manual inspection, resulting in low detection efficiency and cumbersome operation.

Method used

A rapid detection device including a movement detection mechanism, a knock vibration testing mechanism and an imaging mechanism is designed. The strike head is driven by a rotating electric machine to hammer the rails, and the loosening situation is detected and recorded in real time through the vibration sensor detector and the monitoring probe.

Benefits of technology

It improves inspection efficiency, reduces the work intensity of staff, improves inspection accuracy and operation convenience, and can quickly identify the looseness of rail fasteners and performs tightening operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a steel rail fastener looseness rapid detection device, and relates to the technical field of railway track detection, the steel rail fastener looseness rapid detection device comprises a mobile detection mechanism, a knocking vibration test mechanism and a camera mechanism, the mobile detection mechanism comprises a test frame, and sliding frames are movably installed at the two ends of the bottom of the test frame; and moving rollers are symmetrically arranged at the bottom of the sliding frame. A special-shaped pushing block is driven by a rotating motor to rotate, and a transmission block on the side face of a collision plate can be intermittently pushed through the elliptical cylindrical design of the special-shaped pushing block, so that a rotating shaft and a knocking head part swing back and forth, and the knocking head hammers a rail in the swing process; the vibration sensing detector is connected with the vibration sensing detection head through the sensing line in the vibration sensing detector, the telescopic rod can play a role in telescopic adjustment, so that the vibration sensing detection head is attached to the surface of the steel rail fastener, and whether the steel rail fastener is loosened or not can be conveniently checked through vibration sensing generated during hammering.
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Description

Technical Field

[0001] The present invention relates to the technical field of railway track detection, in particular to a device for quickly detecting loose rail fasteners. Background Art

[0002] Rail fasteners are crucial components connecting rails to sleepers. Their function is to secure the rails in place, transmit the forces between the rails and sleepers, and ensure the stability and safety of train operations. During long-term train operation, rail fasteners are susceptible to loosening due to repeated impact and vibration from train loads, as well as environmental factors. Once loose, rail fasteners can cause the rails to shift, affecting the geometry of the track. This can lead to problems such as train shaking and increased noise. In severe cases, these issues can even cause major accidents such as derailments.

[0003] In the prior art, for example, the patent application number CN202223372234.8, titled "A device for detecting loose rail fastener bolts", comprises a rail main part, a bolt part is provided on the outside of the rail main part, and a nut part is connected to the upper end of the bolt part, and a positioning cylinder is sleeved on the outer side of the bolt part, a piezoelectric acceleration sensor is installed inside the positioning cylinder, and the upper end of the positioning cylinder is rotatably connected to a second knob, and a side plate is provided on the outer side of the positioning cylinder, a first slide groove is provided inside the side plate, and a second slide groove is provided at the upper end of the first slide groove, a card plate is slidably connected inside the first slide groove, and a vertical first knob is screwed on both ends of the card plate, and the first knob is rotatably connected to the inside of the side plate. This solves the problem that the installation device involved in the background art cannot adjust the installation height of rail fasteners of different sizes and the installation firmness is poor.

[0004] The existing method of detecting loose rail fasteners basically adopts manual detection. The manual detection process is cumbersome. Inspectors need to carry simple tools such as wrenches and hammers to inspect the rail fasteners section by section and piece by piece along the railway line. The manual detection method has the problem of low efficiency. To solve the above problems, a device for rapid detection of loose rail fasteners is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a device for quickly detecting loose rail fasteners, so as to solve the problem that the existing technology proposed in the above background technology basically adopts manual detection during operation. The manual detection process is cumbersome. The inspectors need to carry simple tools such as wrenches and hammers to inspect the rail fasteners section by section and piece by piece along the railway line. The manual detection method has the problem of low efficiency.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a device for quickly detecting loose rail fasteners, comprising a mobile detection mechanism, a knocking vibration test mechanism, and a camera mechanism, wherein the mobile detection mechanism comprises a test frame, wherein sliding frames are movably mounted at both ends of the bottom of the test frame, and movable rollers are symmetrically arranged at the bottom of the sliding frame;

[0007] The knocking vibration testing mechanism includes a U-shaped mounting frame, side support plates are symmetrically arranged on the outer side of the U-shaped mounting frame, a rotating shaft is rotatably installed on the upper side of the U-shaped mounting frame, a collision plate is arranged on the top of the rotating shaft, a transmission block is arranged on the side of the collision plate, an extension plate is arranged at the bottom of the rotating shaft, a telescopic plate is movably connected to the bottom of the extension plate, a knocking head is fixedly connected to the bottom of the telescopic plate, a special-shaped pushing block is arranged on the side support plate, and a rotating motor is arranged at one end of the special-shaped pushing block, the U-shaped mounting frame is arranged on both sides of the bottom of the sliding frame, a vibration sensor detector is fixedly installed on the bottom of the U-shaped mounting frame, the bottom of the vibration sensor detector is connected to the telescopic rod, and the bottom of the telescopic rod is connected to the vibration sensor detection head;

[0008] The camera mechanism includes monitoring probes, which are arranged on both sides of the sliding frame.

[0009] Preferably, twisting mechanisms are symmetrically provided at both ends of the mobile detection mechanism, and the twisting mechanism includes a guide rail frame, the inner side of the guide rail frame is slidably connected to a translation slider, the side of the translation slider is connected to a guide rod body, the outer side of the guide rod body is slidably connected to a right-angle connector, one end of the right-angle connector is provided with a lifting cylinder, the bottom of the lifting cylinder is connected to a twisting motor, the bottom of the twisting motor is provided with a docking joint, and the bottom of the docking joint is plug-connected with a sleeve.

[0010] Preferably, a sliding slot is provided on the side of the guide rail frame, a guide slot is provided on the bottom of the guide rail frame, the translation slider is slidably installed on the inner side of the sliding slot, the bottom of the translation slider is fixedly connected with a guide block, and the guide block is slidably connected to the inner side of the guide slot.

[0011] Preferably, a translation adjustment motor is provided at one end of the guide rail frame, an output end of the translation adjustment motor is connected to a translation screw rod, and the translation screw rod is threadedly connected to the inner side of the translation slider.

[0012] Preferably, a pneumatic side-push telescopic rod is provided on the side of the translation slider, and the output end of the pneumatic side-push telescopic rod is connected to the side of the right-angle connector.

[0013] Preferably, the outer wall of the twisting motor is symmetrically provided with guide rods, one end of the guide rod is movably connected to a guide support block, and the guide support blocks are all installed on the side of the lifting cylinder.

[0014] Preferably, a shooting lens is provided at the bottom of the monitoring probe, a connecting rod is fixedly connected to the side of the monitoring probe, one end of the connecting rod is fixedly connected to a mounting seat, and the mounting seats are symmetrically installed on both sides of the sliding frame.

[0015] Preferably, an adjusting screw is threadedly connected to the striking head, an adjusting motor is provided on the top of the adjusting screw, a connecting block is provided on the side of the extension plate, the adjusting screw is threadedly connected to the inner side of the connecting block, and a slot is provided on the side of the rotating shaft.

[0016] Preferably, two guide rail grooves are opened at the bottom of the test frame, and sliding parts are symmetrically installed on the top of the sliding frame. The sliding parts are all slidably connected to the inner side of the guide rail grooves. Four handles are set on the top of the test frame, and a test controller is set on the top of the test frame.

[0017] Preferably, a lifting slot is provided on the inner side of the sliding frame, a lifting slider is slidably installed on the inner side of the lifting slot, a lifting screw is threadedly connected to the inner side of the lifting slider, a lifting adjustment motor is provided at the bottom of the lifting screw, the lifting adjustment motor is provided at the bottom of the sliding frame, roller brackets are provided at both ends of the bottom of the lifting slider, the moving roller is rotatably installed on the inner side of the roller bracket, and a number of right-angled inner support frames and inner support ribs are distributed on the inner side of the sliding frame.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, the components of the knocking vibration test mechanism are conveniently and stably mounted on the bottom of the sliding frame through the U-shaped mounting frame, and the side support plates on the side of the U-shaped mounting frame provide a rotating mounting function for the rotating shaft, and a collision plate is provided on the top of the rotating shaft, and an extension plate is provided on the bottom, and the bottom of the extension plate is connected with a telescopic plate and a knocking head. When it is necessary to detect the looseness of the rail fastener, a rotating motor is used to drive the special-shaped pushing block to rotate. The elliptical cylindrical design of the special-shaped pushing block can intermittently push the transmission block on the side of the collision plate, so that the rotating shaft and the knocking head part can achieve the effect of swinging back and forth, so that the knocking head can hammer the rail during the swinging process, and the vibration sensor detection head is connected through the sensor line inside the vibration sensor detector, and the telescopic rod can provide the effect of telescopic adjustment, so that the vibration sensor detection head is attached to the surface of the rail fastener. The vibration sensor generated during hammering can conveniently check whether the rail fastener is loose.

[0020] 2. In the present invention, the vibration during hammering is recorded by the camera lens on the monitoring probe, which is conducive to quickly testing the looseness of the fasteners and improving the efficiency of detection. There is no need to manually carry a hammer to bend over and hammer, which is conducive to reducing the work intensity of the staff. The connecting rod cooperates with the mounting base to provide stable support for the monitoring probe, which is conducive to the stable shooting of the mounting base and the improvement of the shooting accuracy.

[0021] 3. In the present invention, the position of sliding adjustment is provided by the guide rail frame, the sliding slot provides a sliding adjustment space for the translation slider, the translation adjustment motor drives the translation screw to rotate, and thus the translation slider realizes the sliding effect on the inner side of the sliding slot. A guide block is provided at the bottom of the translation slider and is slidably connected to the inner side of the guide slot, thereby facilitating the provision of sliding guidance and increasing the supporting force, effectively improving the stability during the sliding adjustment process, and the pneumatic side push telescopic rod is installed on the side of the translation slider, and the output end is connected to the right-angle connector, which is conducive to providing lateral telescopic adjustment The function of the joint is that the guide rod provides a guide during the extension and retraction process, which improves the stability during the extension and retraction process. A lifting cylinder is provided on the right-angle connector, and the lifting cylinder is used to drive the twisting motor for lifting and adjustment, which is convenient for adapting to different heights. When adjusted to the appropriate position, the fastener bolts in different positions can be quickly tightened. The twisting motor drives the joint and the sleeve to rotate, which is beneficial to improving the convenience of operation and facilitating quick tightening operations during maintenance. The guide support rod and the guide support block are beneficial to providing a guide during the lifting process and ensure stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional diagram of a device for quickly detecting loose rail fasteners according to the present invention;

[0023] Figure 2 This is a schematic structural diagram from another angle of a device for quickly detecting loose rail fasteners according to the present invention;

[0024] Figure 3 This is a schematic diagram of the exploded structure of a device for quickly detecting loose rail fasteners according to the present invention;

[0025] Figure 4 This is a partial structural diagram of a device for quickly detecting loose rail fasteners according to the present invention;

[0026] Figure 5 For the present invention Figure 4 A in the figure shows the enlarged structural diagram;

[0027] Figure 6 This is a schematic diagram of the inner structure of a device for quickly detecting loose rail fasteners according to the present invention;

[0028] Figure 7 This is a partial structural diagram of a device for quickly detecting loose rail fasteners according to the present invention;

[0029] Figure 8 This is a structural schematic diagram of a screwing mechanism of a rail fastener loosening rapid detection device according to the present invention;

[0030] Figure 9 For the present invention Figure 8 The enlarged structural diagram at B in FIG.

[0031] In the picture:

[0032] 1. Mobile detection mechanism; 101. Test frame; 102. Guide rail groove; 103. Handle; 104. Test controller; 105. Sliding frame; 106. Sliding member; 107. Lifting notch; 108. Lifting slider; 109. Lifting screw; 110. Lifting adjustment motor; 111. Roller bracket; 112. Moving roller; 113. Right-angle inner support frame; 114. Inner support rib; 2. Knocking vibration test mechanism; 201. U-shaped mounting frame; 202. Side support plate; 203. Rotating shaft; 204. Collision plate; 205. Extension plate; 206. Telescopic plate; 207. Knocking head; 208. Adjusting screw; 209. Adjusting motor; 210. Notch; 211. Rotating motor; 212. Special-shaped pushing block; 213, transmission block; 214, vibration sensor detector; 215, telescopic rod; 216, vibration sensor detection head; 3, camera mechanism; 301, monitoring probe; 302, shooting lens; 303, connecting rod; 304, mounting seat; 4, twisting mechanism; 401, guide rail frame; 402, sliding slot; 403, guide slot; 404, translation adjustment motor; 405, translation screw rod; 406, translation slider; 407, guide block; 408, pneumatic side push telescopic rod; 409, guide rod body; 410, right-angle connector; 411, lifting cylinder; 412, twisting motor; 413, docking joint; 414, sleeve; 415, guide support rod; 416, guide support block. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] Example 1: Figures 1-9As shown, the present invention provides a technical solution: a rail fastener loosening rapid detection device, comprising a mobile detection mechanism 1, a knocking vibration test mechanism 2 and a camera mechanism 3, wherein the mobile detection mechanism 1 comprises a test frame 101, and sliding frames 105 are movably mounted at both ends of the bottom of the test frame 101, and movable rollers 112 are symmetrically arranged at the bottom of the sliding frame 105;

[0035] The knock vibration test mechanism 2 includes a U-shaped mounting frame 201, a side support plate 202 is symmetrically arranged on the outer side of the U-shaped mounting frame 201, a rotating shaft 203 is rotatably installed on the upper part of the U-shaped mounting frame 201, a collision plate 204 is arranged on the top of the rotating shaft 203, a transmission block 213 is arranged on the side of the collision plate 204, an extension plate 205 is arranged at the bottom of the rotating shaft 203, a telescopic plate 206 is movably connected to the bottom of the extension plate 205, a knock head 207 is fixedly connected to the bottom of the telescopic plate 206, a special-shaped pushing block 212 is arranged on the side support plate 202, and one end of the special-shaped pushing block 212 is provided. Rotating motor 211, U-shaped mounting frame 201 is set on both sides of the bottom of sliding frame 105, and a vibration sensor detector 214 is fixedly installed on the bottom of U-shaped mounting frame 201. The bottom of vibration sensor detector 214 is connected to the telescopic rod 215, and the bottom of telescopic rod 215 is connected to the vibration sensor detection head 216. The knocking head 207 is threadedly connected to the adjustment screw 208, and the top of the adjustment screw 208 is provided with an adjustment motor 209. The side of the extension plate 205 is provided with a connecting block, and the adjusting screw 208 is threadedly connected to the inner side of the connecting block. The side of the rotating shaft 203 is provided with a notch 210;

[0036] The camera mechanism 3 includes a monitoring probe 301, which is arranged on both sides of the sliding frame 105. A shooting lens 302 is provided at the bottom of the monitoring probe 301. A connecting rod 303 is fixedly connected to the side of the monitoring probe 301, and one end of the connecting rod 303 is fixedly connected to a mounting base 304. The mounting base 304 is symmetrically installed on both sides of the sliding frame 105.

[0037] In this embodiment, the sliding frame 105 is symmetrically slidably mounted on the bottom of the test frame 101, and movable rollers 112 are symmetrically provided on the bottom of the sliding frame 105 to facilitate the provision of support for the testing equipment. At the same time, the movable rollers 112 are conveniently mounted on the track to achieve a fast mobile testing function, which is conducive to improving the testing effect.

[0038] The U-shaped mounting frame 201 facilitates the stable installation of the components of the knocking vibration test mechanism 2 at the bottom of the sliding frame 105. The side support plate 202 on the side of the U-shaped mounting frame 201 provides a rotating mounting function for the rotating shaft 203. The top of the rotating shaft 203 is provided with a collision plate 204, and the bottom is provided with an extension plate 205. The bottom of the extension plate 205 is connected with a telescopic plate 206 and a knocking head 207. When it is necessary to detect the looseness of the rail fastener, the rotating motor 211 is used to drive the special-shaped pushing block 212 to rotate. The elliptical cylindrical design of the special-shaped pushing block 212 can intermittently push the transmission block 213 on the side of the collision plate 204, so that the rotating shaft 203 and the knocking head 207 can partially swing back and forth, so that the knocking head 207 hammers the rail during the swinging process. The vibration sensor detection head 216 is connected to the sensing line inside the vibration sensor detector 214, and the telescopic rod 215 can provide telescopic adjustment The function of the joint makes the vibration sensor detection head 216 fit on the surface of the rail fastener. The vibration sensor generated during hammering can easily check whether the rail fastener is loose. The adjusting motor 209 drives the adjusting screw 208 to rotate so as to quickly adjust the position of the striking head 207 according to the height of the rail, which is beneficial to adjust according to the height of the rail. The slot 210 provides a movable space for the adjusting motor 209 during the telescopic adjustment process. The vibration during hammering is photographed and recorded by the shooting lens 302 on the monitoring probe 301, which is beneficial to quickly test the looseness of the fastener and improve the efficiency of detection. There is no need to carry a hammer manually to bend over and hammer, which is beneficial to reduce the work intensity of the staff. The connecting rod 303 cooperates with the mounting base 304 to provide a stable support for the monitoring probe 301, which is beneficial to the stable shooting use of the mounting base 304 and the improvement of the shooting accuracy.

[0039] Example 2: Figure 8 and Figure 9As shown, the two ends of the mobile detection mechanism 1 are symmetrically provided with a twisting mechanism 4, which includes a guide rail frame 401, the inner side of the guide rail frame 401 is slidably connected to a translation slider 406, the side of the translation slider 406 is connected to a guide rod body 409, the outer side of the guide rod body 409 is slidably connected to a right-angle connector 410, one end of the right-angle connector 410 is provided with a lifting cylinder 411, the bottom of the lifting cylinder 411 is connected to a twisting motor 412, the bottom of the twisting motor 412 is provided with a docking joint 413, the bottom of the docking joint 413 is plugged and connected with a sleeve 414, the side of the guide rail frame 401 is provided with a sliding slot 402, the bottom of the guide rail frame 401 is provided with a guide slot 403, and the translation slider 406 is slidably installed in the sliding slot. On the inner side of 402, the bottom of the translation slider 406 is fixedly connected with a guide block 407, and the guide block 407 is slidably connected to the inner side of the guide slot 403. One end of the guide rail frame 401 is provided with a translation adjustment motor 404, and the output end of the translation adjustment motor 404 is connected with a translation screw 405. The translation screw 405 is threadedly connected to the inner side of the translation slider 406. The side of the translation slider 406 is provided with a pneumatic side push telescopic rod 408, and the output end of the pneumatic side push telescopic rod 408 is connected to the side of the right-angle connector 410. The outer wall of the twisting motor 412 is symmetrically provided with a guide support rod 415, and one end of the guide support rod 415 is movably connected to a guide support block 416. The guide support blocks 416 are all installed on the side of the lifting cylinder 411.

[0040] In this embodiment, the guide rail 401 provides a sliding adjustment position, the sliding slot 402 provides a sliding adjustment space for the translation slider 406, and the translation adjustment motor 404 drives the translation screw 405 to rotate, thereby making the translation slider 406 slide on the inner side of the sliding slot 402. A guide block 407 is provided at the bottom of the translation slider 406 and is slidably connected to the inner side of the guide slot 403, thereby facilitating the provision of sliding guidance and increasing the supporting force, effectively improving the stability during the sliding adjustment process, and a pneumatic side push telescopic rod 408 is installed on the side of the translation slider 406, and the output end is connected to the right-angle connector 410, which is conducive to providing The function of lateral telescopic adjustment is that the guide rod body 409 provides a guide during the telescopic process, which improves the stability during the telescopic process. A lifting cylinder 411 is provided on the right-angle connector 410, and the lifting cylinder 411 is used to drive the screwing motor 412 for lifting and adjustment, which is convenient for adapting to different heights. When adjusted to the appropriate position, the fastener bolts at different positions can be quickly tightened, and the screwing motor 412 drives the docking joint 413 and the sleeve 414 to rotate, which is conducive to improving the convenience of operation and facilitating rapid tightening operations during maintenance. The guide support rod 415 cooperates with the guide support block 416 to provide a guide during the lifting process and ensure stability.

[0041] Example 3: Figures 1-4 As shown, two guide rail grooves 102 are provided at the bottom of the test frame 101, and sliding members 106 are symmetrically installed on the top of the sliding frame 105. The sliding members 106 are all slidably connected to the inner side of the guide rail groove 102. Four handles 103 are provided on the top of the test frame 101, and a test controller 104 is provided on the top of the test frame 101. A lifting slot 107 is provided on the inner side of the sliding frame 105, and a lifting slider 108 is slidably installed on the inner side of the lifting slot 107. The inner side of the lifting slider 108 is threadedly connected with a lifting screw 109, and a lifting adjustment motor 110 is provided at the bottom of the lifting screw 109. The lifting adjustment motor 110 is provided at the bottom of the sliding frame 105, and roller brackets 111 are provided at both ends of the bottom of the lifting slider 108. The moving roller 112 is rotatably installed on the inner side of the roller bracket 111. A number of right-angle inner support frames 113 and inner support ribs 114 are distributed on the inner side of the sliding frame 105.

[0042] In this embodiment, the guide rail groove 102 is slidably connected with the sliding member 106, which facilitates the realization of the guide sliding adjustment function, facilitates adjustment according to different sizes of rails, and facilitates the installation of detection operations on rails of different sizes. The handle 103 facilitates hand-held operation during operation. The test controller 104 can record and store test data. At the same time, a display screen is provided on the test controller 104, which can provide display and touch operation functions. The lifting slot 107 provides lifting adjustment and guiding space for the lifting slider 108, thereby ensuring stable lifting adjustment. The lifting adjustment motor 110 drives the lifting screw rod 109 to rotate, thereby facilitating the lifting slider 108 to cooperate with the moving roller 112 to achieve height adjustment, which can adapt to use at different heights.

[0043] In the present invention, when the rail fastener loosening rapid detection device is used, the sliding frame 105 is first symmetrically slidably installed on the bottom of the test frame 101, and the moving rollers 112 are symmetrically provided at the bottom of the sliding frame 105, which is convenient for providing support for the detection equipment. At the same time, it is convenient to be installed on the track through the moving rollers 112 to realize the rapid movement detection function, which is beneficial to improve the detection effect. The guide rail groove 102 is slidably connected with the sliding member 106, thereby realizing the function of guiding sliding adjustment, which is beneficial for adjustment according to rails of different sizes and convenient for installation on rails of different sizes. The detection operation is carried out on the rail. The handle 103 facilitates hand-held operation during the operation. The test data can be recorded and stored through the test controller 104. At the same time, a display screen is provided on the test controller 104, which can provide display and touch operation functions. The lifting slot 107 provides lifting adjustment and guiding space for the lifting slider 108, thereby ensuring stable lifting adjustment. The lifting adjustment motor 110 drives the lifting screw rod 109 to rotate, thereby facilitating the lifting slider 108 to cooperate with the moving roller 112 to achieve height adjustment, which can adapt to use at different heights. The U-shaped mounting frame 201 facilitates the stable installation of the components of the knocking vibration test mechanism 2 on the bottom of the sliding frame 105. The side support plate 202 on the side of the U-shaped mounting frame 201 provides a rotating mounting function for the rotating shaft 203. The top of the rotating shaft 203 is provided with a collision plate 204, and the bottom is provided with an extension plate 205. The bottom of the extension plate 205 is connected with a telescopic plate 206 and a knocking head 207. When it is necessary to detect the looseness of the rail fastener, the rotating motor 211 is used to drive the special-shaped pushing block 212 to rotate. The elliptical cylindrical design of the special-shaped pushing block 212 can intermittently push the transmission block 213 on the side of the collision plate 204, so that the rotating shaft 203 and the knocking head 207 can partially swing back and forth, so that the knocking head 207 hammers the rail during the swinging process, and is connected to the vibration sensor detection head 2 through the sensor line inside the vibration sensor detector 214. 16. The telescopic rod 215 can provide a telescopic adjustment function, so that the vibration sensor detection head 216 is attached to the surface of the rail fastener. The vibration sensor generated during hammering can easily check whether the rail fastener is loose. The adjusting motor 209 drives the adjusting screw 208 to rotate, which is convenient for quickly adjusting the position of the striking head 207 according to the height of the rail, thereby facilitating adjustment according to the height of the rail. The slot 210 provides a movable space for the adjusting motor 209 during the telescopic adjustment process. The vibration during hammering is recorded by the shooting lens 302 on the monitoring probe 301, which is conducive to quickly testing the looseness of the fastener and improving the efficiency of detection. There is no need to manually carry a hammer to bend over and hammer, which is conducive to reducing the work intensity of the staff. The connecting rod 303 cooperates with the mounting seat 304 to provide a stable support for the monitoring probe 301.The guide rail 401 is used to provide a sliding adjustment position, and the sliding slot 402 is used to provide a sliding adjustment space for the translation slider 406. The translation adjustment motor 404 is used to drive the translation screw rod 405 to rotate, so that the translation slider 406 can slide on the inner side of the sliding slot 402. A guide block 407 is provided at the bottom of the translation slider 406, and is slidably connected to the inner side of the guide slot 403, so as to provide sliding guidance and increase the supporting force, and effectively improve the stability during the sliding adjustment process. The pneumatic side push telescopic rod 408 is installed on the side of the translation slider 406, and the output end is connected to the right angle Connector 410 facilitates lateral telescopic adjustment. During the telescopic process, guide rod 409 provides guidance, improving stability during the telescopic process. A lifting cylinder 411 is provided on right-angle connector 410. This cylinder drives a screwing motor 412 for lifting and adjustment, facilitating adaptation to different heights. Once adjusted to the appropriate position, fastener bolts at different locations can be quickly tightened. The screwing motor 412 drives the joint 413 and sleeve 414 to rotate, thereby facilitating convenient operation and facilitating quick tightening operations during maintenance. Guide rod 415, in conjunction with guide support block 416, provides guidance during the lifting process, ensuring stability.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rail fastener loosening rapid detection device, characterized by: The invention comprises a mobile detection mechanism (1), a knocking vibration test mechanism (2) and a camera mechanism (3); the mobile detection mechanism (1) comprises a test frame (101); sliding frames (105) are movably mounted at both ends of the bottom of the test frame (101); and moving rollers (112) are symmetrically arranged at the bottom of the sliding frame (105); The knock vibration test mechanism (2) comprises a U-shaped mounting frame (201), side support plates (202) are symmetrically arranged on the outer side of the U-shaped mounting frame (201), a rotating shaft (203) is rotatably mounted on the upper side of the U-shaped mounting frame (201), a collision plate (204) is arranged on the top of the rotating shaft (203), a transmission block (213) is arranged on the side of the collision plate (204), an extension plate (205) is arranged at the bottom of the rotating shaft (203), a telescopic plate (206) is movably connected to the bottom of the extension plate (205), and the telescopic plate (206) is movably connected to the bottom of the telescopic plate (206). 6) is fixedly connected to the bottom of the side support plate (202) with a striking head (207), a special-shaped pushing block (212) is provided on the side support plate (202), one end of the special-shaped pushing block (212) is provided with a rotating motor (211), the U-shaped mounting frame (201) is provided on both sides of the bottom of the sliding frame (105), a vibration sensor detector (214) is fixedly installed on the bottom of the U-shaped mounting frame (201), the bottom of the vibration sensor detector (214) is connected to a telescopic rod (215), and the bottom of the telescopic rod (215) is connected to a vibration sensor detection head (216); The camera mechanism (3) comprises a monitoring probe (301), the monitoring probe (301) being arranged on both sides of a sliding frame (105), a shooting lens (302) being arranged at the bottom of the monitoring probe (301), a connecting rod (303) being fixedly connected to the side of the monitoring probe (301), one end of the connecting rod (303) being fixedly connected to a mounting seat (304), and the mounting seat (304) being symmetrically mounted on both sides of the sliding frame (105). The two ends of the mobile detection mechanism (1) are symmetrically provided with a twisting mechanism (4), the twisting mechanism (4) comprises a guide rail frame (401), the inner side of the guide rail frame (401) is slidably connected to a translation slider (406), the side of the translation slider (406) is connected to a guide rod body (409), the outer side of the guide rod body (409) is slidably connected to a right-angle connector (410), one end of the right-angle connector (410) is provided with a lifting cylinder (411), the bottom of the lifting cylinder (411) is connected to a twisting motor (412), the bottom of the twisting motor (412) is provided with a docking joint (413), and the bottom of the docking joint (413) is plug-connected with a sleeve (414); The side of the guide rail frame (401) is provided with a sliding notch (402), the bottom of the guide rail frame (401) is provided with a guide notch (403), the translation slider (406) is slidably mounted on the inner side of the sliding notch (402), the bottom of the translation slider (406) is fixedly connected with a guide block (407), and the guide block (407) is slidably connected to the inner side of the guide notch (403); One end of the guide rail frame (401) is provided with a translation adjustment motor (404), the output end of the translation adjustment motor (404) is connected to a translation screw rod (405), and the translation screw rod (405) is threadedly connected to the inner side of the translation slider (406); A pneumatic side-thrust telescopic rod (408) is provided on the side of the translation slider (406), and the output end of the pneumatic side-thrust telescopic rod (408) is connected to the side of the right-angle connector (410); The outer wall of the twisting motor (412) is symmetrically provided with a guide support rod (415), one end of the guide support rod (415) is movably connected to a guide support block (416), and the guide support block (416) is installed on the side of the lifting cylinder (411).

2. The rail fastener loosening rapid detection device according to claim 1, characterized in that: The striking head (207) is threadedly connected to an adjusting screw rod (208), and an adjusting motor (209) is provided on the top of the adjusting screw rod (208). A connecting block is provided on the side of the extension plate (205), and the adjusting screw rod (208) is threadedly connected to the inner side of the connecting block. A notch (210) is provided on the side of the rotating shaft (203).

3. The rail fastener loosening rapid detection device according to claim 1, characterized in that: The bottom of the test frame (101) is provided with two guide rail grooves (102), the top of the sliding frame (105) is symmetrically provided with sliding members (106), and the sliding members (106) are all slidably connected to the inner side of the guide rail grooves (102), the top of the test frame (101) is provided with four handles (103), and the top of the test frame (101) is provided with a test controller (104).

4. The rail fastener loosening rapid detection device according to claim 3, characterized in that: The inner side of the sliding frame (105) is provided with a lifting slot (107), the inner side of the lifting slot (107) is slidably installed with a lifting slider (108), the inner side of the lifting slider (108) is threadedly connected with a lifting screw (109), the bottom of the lifting screw (109) is provided with a lifting adjustment motor (110), the lifting adjustment motor (110) is arranged at the bottom of the sliding frame (105), the bottom two ends of the lifting slider (108) are provided with roller brackets (111), the moving roller (112) is rotatably installed on the inner side of the roller bracket (111), and the inner side of the sliding frame (105) is distributed with a plurality of right-angle inner support brackets (113) and inner support ribs (114).

Citation Information

Patent Citations

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