A device for quickly detecting loosening of a rail fastener
By designing an automated mobile inspection device that combines impact vibration testing and video recording, the problem of low efficiency in manual inspection has been solved, enabling rapid and accurate detection of loose fasteners and reducing safety risks.
Patent Information
- Application Number
- CN202510662553.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2045-05-22
AI Technical Summary
In the current technology, the detection of loose rail fasteners mainly relies on manual inspection, which is cumbersome and inefficient, cannot quickly identify looseness, and poses safety hazards.
A rapid inspection device was designed, comprising a mobile inspection mechanism, a hammering vibration testing mechanism, and a camera mechanism. It utilizes a rotary motor to drive a hammering head to strike the rail, and combines vibration sensing detection and video recording to achieve automated inspection.
It improves inspection efficiency, reduces the workload of staff, can quickly identify loose fasteners, enhances inspection accuracy and ease of operation, and reduces safety hazards.
Smart Images

Figure CN120489531B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of railway track detection, in particular to a steel rail fastener loosening rapid detection device. BACKGROUND
[0002] The steel rail fastener is an important component connecting the steel rail and the sleeper, which functions to fix the position of the steel rail, transfer the acting force between the steel rail and the sleeper, and ensure the stability and safety of train operation. During long-term train operation, the steel rail fastener is prone to loosening due to repeated impact and vibration of train load and environmental factors. Once the steel rail fastener loosens, it will cause the position of the steel rail to deviate, affect the geometry of the track, and further cause the train to sway, noise to increase, and even cause serious safety accidents such as train derailment.
[0003] In the prior art, such as patent application No. CN202223372234.8 "Steel rail fastener bolt loosening detection device", including a steel rail main piece, the outer side of the steel rail main piece is provided with a bolt piece, and the upper end of the bolt piece is connected with a nut piece, and the outer side of the bolt piece is sleeved with a positioning cylinder, the inside of the positioning cylinder is installed with a piezoelectric acceleration sensor, and the upper end of the positioning cylinder is rotatably connected with a second knob, and the outer side of the positioning cylinder is provided with a side plate, the inside of the side plate is provided with a first sliding groove, and the upper end of the first sliding groove is provided with a second sliding groove, the inside of the first sliding groove is slidably connected with a clamping plate, the both ends of the clamping plate are screwed with vertical first knobs, and the first knobs are rotatably connected in the inside of the side plate. The installation device in the background art cannot adjust the installation height of different size steel rail fasteners, and the installation firmness is poor.
[0004] The existing steel rail fastener loosening detection basically adopts manual detection method. The manual detection process is complicated, and the detection personnel need to carry a wrench and a hammer and other simple tools to check the steel rail fasteners along the railway line section by section. The manual detection method has the problem of low efficiency. In view of the above problem, a steel rail fastener loosening rapid detection device is proposed. SUMMARY
[0005] The purpose of the present application is to provide a steel rail fastener loosening rapid detection device to solve the problem of low efficiency of the existing manual detection method in the background art.
[0006] In order to achieve the above object, the present application provides the following technical scheme: a rail fastener loosening rapid detection device, comprising a mobile detection mechanism, a knocking vibration test mechanism and a camera mechanism, the mobile detection mechanism comprises a test frame, the bottom of the test frame is movably provided with a sliding frame at both ends, and the bottom of the sliding frame is symmetrically provided with a mobile roller;
[0007] The knocking vibration test mechanism comprises a U-shaped mounting frame, the outer side of the U-shaped mounting frame is symmetrically provided with a side support plate, a rotating shaft is rotatably arranged on the upper portion 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 surface of the collision plate, an extension plate is arranged on 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, a rotary motor is arranged at one end of the special-shaped pushing block, the U-shaped mounting frame is arranged at the bottom of both sides of the sliding frame, a vibration sensing detector is fixedly arranged at the bottom of the U-shaped mounting frame, a telescopic rod is connected to the bottom of the vibration sensing detector, and a vibration sensing detection head is connected to the bottom of the telescopic rod.
[0008] The camera mechanism comprises a monitoring probe, and the monitoring probe is arranged on both sides of the sliding frame.
[0009] Preferably, the two ends of the mobile detection mechanism are symmetrically provided with a twisting mechanism, the twisting mechanism comprises a guide rail frame, a translation sliding block is slidably connected to the inner side of the guide rail frame, a guide rod body is connected to the side surface of the translation sliding block, a right-angle connecting piece is slidably connected to the outer side of the guide rod body, a lifting cylinder is arranged at one end of the right-angle connecting piece, a twisting motor is connected to the bottom of the lifting cylinder, a butt joint is arranged at the bottom of the twisting motor, and a sleeve is insertedly connected to the bottom of the butt joint.
[0010] Preferably, a sliding slot is formed in the side surface of the guide rail frame, a guide slot is formed in the bottom of the guide rail frame, the translation sliding block is slidably arranged in the inner side of the sliding slot, a guide block body is fixedly connected to the bottom of the translation sliding block, and the guide block body is slidably connected to the inner side of the guide slot.
[0011] Preferably, a translation adjustment motor is arranged at one end of the guide rail frame, a translation screw rod is connected to the output end of the translation adjustment motor, and the translation screw rod is threadedly connected to the inner side of the translation sliding block.
[0012] Preferably, a pneumatic side pushing telescopic rod is arranged on the side surface of the translation sliding block, and the output end of the pneumatic side pushing telescopic rod is connected to the side surface of the right-angle connecting piece.
[0013] Preferably, guide support rods are symmetrically arranged on the outer wall of the twisting motor, guide support blocks are movably connected to one end of the guide support rods, and the guide support blocks are arranged on the side surface of the lifting cylinder.
[0014] Preferably, the bottom of the monitoring probe is provided with a shooting lens, the side of the monitoring probe is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a mounting seat, and the mounting seat is symmetrically mounted on both sides of the sliding frame.
[0015] Preferably, the knocking head is threadedly connected with an adjusting lead screw, the top of the adjusting lead screw is provided with an adjusting motor, the side of the extension plate is provided with a connecting block, the adjusting lead screw is threadedly connected to the inner side of the connecting block, and the side of the rotating shaft is provided with a notch.
[0016] Preferably, the bottom of the test frame is provided with two guide rail grooves, the top of the sliding frame is symmetrically provided with sliding pieces, the sliding pieces are slidingly connected to the inner sides of the guide rail grooves, the top of the test frame is provided with four handles, and the top of the test frame is provided with a test controller.
[0017] Preferably, the inner side of the sliding frame is provided with a lifting notch, a lifting sliding block is slidingly mounted in the inner side of the lifting notch, a lifting lead screw is threadedly connected to the inner side of the lifting sliding block, a lifting adjusting motor is arranged at the bottom of the lifting lead screw, the lifting adjusting motor is arranged at the bottom of the sliding frame, roller supports are arranged at the bottom of the lifting sliding block, moving rollers are rotatably arranged in the inner sides of the roller supports, and a plurality of right-angle inner support frames and inner support ribbings are arranged in the inner side of the sliding frame.
[0018] Compared with the prior art, the present application has the following advantages:
[0019] 1、In the present application, the components of the knocking vibration test mechanism are conveniently and stably installed at the bottom of the sliding frame through the U-shaped mounting frame, the side support plate on the side of the U-shaped mounting frame provides a rotating installation function for the rotating shaft, the top of the rotating shaft is provided with a collision plate, the bottom of the rotating shaft is provided with an extension plate, and the bottom of the extension plate is connected with an expansion plate and a knocking head, when it is necessary to detect the loosening condition of the rail fastener, the rotating motor is used to drive the special-shaped pushing block to rotate, the special-shaped pushing block is designed in an elliptical shape, the transmission block on the side of the collision plate can be intermittently pushed, so that the rotating shaft and the knocking head part can realize back-and-forth swinging, so that the knocking head can hammer the rail in the swinging process, the sensing line in the vibration sensing detector is connected to the vibration sensing detection head, the expansion rod can provide a telescopic adjustment function, so that the vibration sensing detection head can be attached to the surface of the rail fastener, and the vibration sensing generated during hammering can facilitate the checking of whether the rail fastener is loose.
[0020] 2. In this invention, the vibration during hammering is recorded by the camera lens on the monitoring probe, which facilitates the rapid detection of loose fasteners and improves the efficiency of the inspection. It eliminates the need for manual hammering and bending over to strike, thus reducing the workload of the staff. The connecting rod and the mounting base provide stable support for the monitoring probe, which in turn facilitates stable shooting and improves the accuracy of the shooting.
[0021] 3. In this invention, a guide rail provides the position for sliding adjustment, and a sliding groove provides space for the translation slider to slide. A translation adjustment motor drives the translation screw to rotate, allowing the translation slider to slide within the sliding groove. A guide block is provided at the bottom of the translation slider and slidably connected to the inside of the guide groove, which facilitates sliding guidance and increases support, effectively improving stability during the sliding adjustment process. A pneumatic side-push telescopic rod is installed on the side of the translation slider, and its output end is connected to a right-angle connector, which facilitates lateral telescopic adjustment. The section's function is to provide guidance during the extension and retraction process, improving stability. A lifting cylinder is installed on the right-angle connector, which drives a tightening motor for height adjustment, accommodating different heights. Once adjusted to the appropriate position, the fastener bolts in different locations can be quickly tightened. The tightening motor drives the connector and sleeve to rotate, further enhancing operational convenience and facilitating rapid tightening during maintenance. The guide rod, in conjunction with the guide support block, provides guidance during the extension and retraction process, ensuring stability. Attached Figure Description
[0022] Figure 1 This is a perspective view of a rapid detection device for loose rail fasteners according to the present invention;
[0023] Figure 2 This is a schematic diagram of another angle of the structure of the rail fastener loosening rapid detection device of the present invention;
[0024] Figure 3 This is an exploded structural diagram of a rapid detection device for loose rail fasteners according to the present invention;
[0025] Figure 4 This is a partial structural schematic diagram of a rapid detection device for loose rail fasteners according to the present invention;
[0026] Figure 5 For the present invention Figure 4 Enlarged structural diagram at point A in the diagram;
[0027] Figure 6 This is a schematic diagram of the inner structure of a rapid detection device for loose rail fasteners according to the present invention;
[0028] Figure 7 Figure 1 is a schematic diagram of a partial structure of a rail fastener loosening rapid detection device of the present application;
[0029] Figure 8 Figure 1 is a schematic diagram of a partial structure of a rail fastener loosening rapid detection device of the present application;
[0030] Figure 9 Figure 1 is a schematic diagram of a partial structure of a rail fastener loosening rapid detection device of the present application; Figure 8 Figure 1 is a schematic diagram of a partial structure of a rail fastener loosening rapid detection device of the present application;
[0031] Figure 1 is a schematic diagram of a partial structure of a rail fastener loosening rapid detection device of the present application;
[0032] 1, movement detection mechanism; 101, test frame; 102, guide rail groove; 103, handle; 104, test controller; 105, sliding frame; 106, sliding piece; 107, lifting slot; 108, lifting slider; 109, lifting screw; 110, lifting adjustment motor; 111, roller support; 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, impact plate; 205, extension plate; 206, telescopic plate; 207, knocking head; 208, adjustment screw; 209, adjustment motor; 210, slot; 211, rotary motor; 212, special-shaped pushing block; 213, transmission block; 214, vibration sensing detector; 215, telescopic rod; 216, vibration sensing 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; 406, translation slider; 407, guide block; 408, pneumatic side pushing telescopic rod; 409, guide rod; 410, right-angle connecting piece; 411, lifting cylinder; 412, twisting motor; 413, butt joint; 414, sleeve; 415, guide support rod; 416, guide support block. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0034] Embodiment 1: as Figures 1-9As shown, the present application provides a technical solution: a steel rail fastener loosening rapid detection device, including mobile detection mechanism 1, knocking vibration test mechanism 2 and camera mechanism 3, mobile detection mechanism 1 includes test frame 101, the bottom of test frame 101 is movably installed with sliding frame 105 at both ends, the bottom of sliding frame 105 is symmetrically provided with mobile roller 112;
[0035] Knocking vibration test mechanism 2 includes U-shaped mounting bracket 201, the outer side of U-shaped mounting bracket 201 is symmetrically provided with side support plate 202, the upper end of U-shaped mounting bracket 201 is rotatably installed with rotating shaft 203, the top of rotating shaft 203 is provided with collision plate 204, the side of collision plate 204 is provided with transmission block 213, the bottom of rotating shaft 203 is provided with extension plate 205, the bottom of extension plate 205 is movably connected with telescopic plate 206, the bottom of telescopic plate 206 is fixedly connected with knocking head 207, the side of side support plate 202 is provided with special-shaped push block 212, one end of special-shaped push block 212 is provided with rotary motor 211, U-shaped mounting bracket 201 is arranged at the bottom of both sides of sliding frame 105, the bottom of U-shaped mounting bracket 201 is fixedly installed with vibration sensing detector 214, the bottom of vibration sensing detector 214 is connected with telescopic rod 215, the bottom of telescopic rod 215 is connected with vibration sensing detection head 216, the top of knocking head 207 is threadedly connected with adjusting screw 208, the top of adjusting screw 208 is provided with adjusting motor 209, the side of extension plate 205 is provided with connecting block, adjusting screw 208 is threadedly connected with the inner side of connecting block, the side of rotating shaft 203 is provided with slot 210;
[0036] Camera mechanism 3 includes monitoring probe 301, monitoring probe 301 is arranged at both sides of sliding frame 105, the bottom of monitoring probe 301 is provided with shooting lens 302, the side of monitoring probe 301 is fixedly connected with connecting rod 303, one end of connecting rod 303 is fixedly connected with mounting seat 304, mounting seat 304 is symmetrically mounted at both sides of sliding frame 105.
[0037] In this embodiment, the sliding frame 105 is symmetrically slidably arranged at the bottom of the test frame 101, the mobile rollers 112 are symmetrically arranged at the bottom of the sliding frame 105, which facilitates the erection of the detection device and provides support, and facilitates the erection of the mobile rollers 112 on the track, realizes the rapid mobile detection function, and is conducive to improving the detection effect;
[0038] The U-shaped mounting frame 201 facilitates stable installation of the components of the knock vibration test mechanism 2 at the bottom of the sliding frame 105. The side support plates 202 on the sides of the U-shaped mounting frame 201 provide rotational mounting for the rotating shaft 203. The rotating shaft 203 is provided with a collision plate 204 at the top and an extension plate 205 at the bottom. The bottom of the extension plate 205 is connected with an extension plate 206 and a knocking head 207. When it is necessary to detect the loosening of the rail fastener, the special-shaped pushing block 212 is driven to rotate by the rotating motor 211. The special-shaped pushing block 212 is designed in an oval shape, which 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 swing back and forth, so that the knocking head 207 can hammer the rail during the swinging process. The vibration sensing detection head 216 is connected to the sensing line inside the vibration sensing detector 214. The extension rod 215 can provide extension adjustment, so that the vibration sensing detection head 216 can be attached to the surface of the rail fastener. The vibration sensing generated by the hammering can facilitate the checking of whether the rail fastener is loose. The adjustment motor 209 drives the adjustment screw 208 to rotate, which facilitates the quick extension adjustment of the position of the knocking head 207 according to the height of the rail, and is conducive to the adjustment according to the height of the rail. The slot 210 provides a moving space for the adjustment motor 209 during the extension adjustment. The shooting lens 302 on the monitoring probe 301 is used to record the vibration during the hammering, which is conducive to the quick detection of the loosening of the fastener and the improvement of the detection efficiency. It is not necessary to manually carry a hammer to knock, which is conducive to reducing the working intensity of the staff. The connecting rod 303 cooperates with the mounting seat 304 to provide stable support for the monitoring probe 301, which is conducive to the stable shooting of the mounting seat 304 and the improvement of the shooting accuracy.
[0039] Example 2: as Figure 8 and Figure 9As shown, the two ends of the movement 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 with a translation slide 406, the side of the translation slide 406 is connected with a guide rod body 409, the outer side of the guide rod body 409 is slidably connected with a right angle connecting piece 410, one end of the right angle connecting piece 410 is provided with a lifting cylinder 411, the bottom of the lifting cylinder 411 is connected with a twisting motor 412, the bottom of the twisting motor 412 is provided with a butt joint 413, the bottom of the butt joint 413 is insertedly 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, the translation slide 406 is slidably installed at the inner side of the sliding slot 402, the bottom of the translation slide 406 is fixedly connected with a guide block 407, the guide block 407 is slidably connected at the inner side of the guide slot 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 with a translation screw 405, the translation screw 405 is threadedly connected at the inner side of the translation slide 406, the side of the translation slide 406 is provided with a pneumatic side pushing telescopic rod 408, the output end of the pneumatic side pushing telescopic rod 408 is connected with the side of the right angle connecting piece 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 with a guide support block 416, the guide support block 416 is installed at the side of the lifting cylinder 411.
[0040] In this embodiment, the guide rail frame 401 provides the sliding adjustment position, the sliding slot 402 provides the sliding adjustment space for the translation slide 406, the translation adjustment motor 404 drives the translation screw 405 to rotate, and then the translation slide 406 slides in the sliding slot 402, the translation slide 406 is provided with the guide block 407 at the bottom and slidably connected at the inner side of the guide slot 403, which is conducive to providing sliding guidance and increasing support force, effectively improving the stability during sliding adjustment, the pneumatic side pushing telescopic rod 408 is installed at the side of the translation slide 406, and the output end is connected with the right angle connecting piece 410, which is conducive to providing lateral telescopic adjustment function, the guide rod body 409 provides guidance during telescoping, improving the stability during telescoping, the lifting cylinder 411 is provided on the right angle connecting piece 410, the lifting cylinder 411 drives the twisting motor 412 to adjust the height, which is convenient for different heights, and the fastening work of the fastener bolt at different positions can be quickly twisted after adjusting to the appropriate position, the twisting motor 412 drives the butt joint 413 and the sleeve 414 to rotate, which is conducive to improving the convenience of operation, facilitating fastening operation during maintenance, the guide support rod 415 cooperates with the guide support block 416 to provide guidance during lifting, ensuring stability.
[0041] Example 3: As Figures 1-4 As shown, the test frame 101 has two guide rail grooves 102 at its bottom. Sliding parts 106 are symmetrically installed on the top of the sliding frame 105. The sliding parts 106 are slidably connected to the inner side of the guide rail grooves 102. The test frame 101 has four handles 103 at its top and a test controller 104 at its top. The inner side of the sliding frame 105 has a lifting slot 107 through which a lifting slider 108 is slidably installed. The inner side of the lifting slider 108 is threadedly connected to a lifting screw 109. The bottom of the lifting screw 109 is equipped with a lifting adjustment motor 110. The lifting adjustment motor 110 is located at the bottom of the sliding frame 105. Roller brackets 111 are provided at both ends of the bottom of the lifting slider 108. Moving rollers 112 are rotatably installed inside the roller brackets 111. Several right-angle inner supports 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 slider 106, which facilitates the guiding and sliding adjustment function. This allows for adjustment according to different sizes of rails and makes it convenient to perform testing operations on rails of different sizes. The handle 103 facilitates hand-held operation during the process. The test controller 104 records and stores the test data and has a display screen that provides display and touch operation. The lifting slot 107 provides space for lifting adjustment and guidance of the lifting slider 108, thus ensuring stable lifting adjustment. The lifting adjustment motor 110 drives the lifting screw 109 to rotate, which facilitates the height adjustment of the lifting slider 108 in conjunction with the moving roller 112, making it adaptable to different heights.
[0043] In the application, the rail fastener loosening rapid detection device is used. First, the sliding frame 105 is symmetrically slidably arranged at the bottom of the test frame 101. The moving rollers 112 are symmetrically arranged at the bottom of the sliding frame 105, which can provide support for the detection equipment, and facilitate the movement of the rollers 112 on the track to realize rapid detection. The detection effect is improved. The sliding member 106 is slidably connected through the guide rail groove 102, which facilitates the realization of the function of guiding and sliding adjustment, and facilitates the adjustment of the rails of different sizes. The handle 103 facilitates the operation of the handle during operation. The test controller 104 can record and store the test data. The display screen provided on the test controller 104 can provide display and touch operation. The lifting slot 107 provides space for lifting and adjusting the lifting slide block 108, which ensures stable lifting and adjusting. The lifting slide block 108 is driven by the lifting adjusting motor 110 to rotate the lifting screw 109, which facilitates the height adjustment of the lifting slide block 108 and the moving roller 112. 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 the function of rotating and installing the rotating shaft 203. The rotating shaft 203 is provided with a collision plate 204 at the top and an extension plate 205 at the bottom. The bottom of the extension plate 205 is connected with an extension plate 206 and a knocking head 207. When the rail fastener loosening condition needs to be detected, the rotating motor 211 drives the special-shaped pushing block 212 to rotate. The special-shaped pushing block 212 is designed in an oval shape, which 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 realize the function of swinging back and forth, so that the knocking head 207 can hammer the rail during swinging. The vibration sensing detector 214 is connected with the vibration sensing detection head 216 through the sensing line inside the vibration sensing detector 214. The extension rod 215 can provide the function of extension adjustment, so that the vibration sensing detection head 216 can be attached to the surface of the rail fastener. The vibration sensing generated during hammering can facilitate the checking of the loosening condition of the rail fastener. The adjusting motor 209 drives the adjusting screw 208 to rotate, which facilitates the extension adjustment of the position of the knocking head 207 according to the height of the rail. The slot 210 provides a space for the adjusting motor 209 during extension adjustment. The shooting lens 302 on the monitoring probe 301 can record the vibration during hammering, which facilitates the rapid detection of the loosening condition of the fastener and improves the detection efficiency. It is not necessary to manually carry a hammer to knock, which can reduce the working intensity of the staff. The connecting rod 303 cooperates with the mounting seat 304 to provide stable support for the monitoring probe 301.Further beneficial to the stable shooting use of the mounting seat 304, beneficial to improve the accuracy of shooting, through the guide rail frame 401 provides sliding adjustment position, through the sliding groove 402 to the translation slide 406 provides sliding adjustment space, using the translation adjustment motor 404 drive translation screw 405 rotation, further make the translation slide 406 in the inside of sliding groove 402 realize the sliding effect, through the translation slide 406 bottom is provided with guide block 407, and slidingly connected in the inside of guide groove 403, further beneficial to provide sliding guide and increase the supporting force effect, effectively improve the stability in the process of sliding adjustment, through pneumatic side push telescopic rod 408 is installed in the side of translation slide 406, and the output end is connected to the right angle connecting piece 410, beneficial to provide lateral telescopic adjustment function, in the process of telescopic guide rod body 409 provides the guiding effect, improve the stability in the process of telescoping, through the right angle connecting piece 410 is equipped with lifting cylinder 411, using lifting cylinder 411 drive screw motor 412 lifting adjustment, convenient to adapt to different height, when adjusting to the appropriate position can be different position of the fastener bolt fastening work quickly, through the screw motor 412 drive to the joint 413 and sleeve 414 rotation, further beneficial to improve the operation of the convenient, while facilitating the maintenance of fastening operation quickly, guide support 415 with guide support block 416 is beneficial to provide guiding effect in the process of lifting, ensure the stability.
[0044] Although the present application has been described in detail with reference to the foregoing embodiments, technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalent ones by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A rapid detection device for loose rail fasteners, characterized in that: It includes a mobile detection mechanism (1), a knocking vibration testing mechanism (2), and a camera mechanism (3). The mobile detection mechanism (1) includes a test frame (101). Sliding frames (105) are movably installed at both ends of the bottom of the test frame (101). Moving rollers (112) are symmetrically arranged at the bottom of the sliding frames (105). The impact vibration testing mechanism (2) includes a U-shaped mounting frame (201), with side support plates (202) symmetrically arranged on the outer side of the U-shaped mounting frame (201). A rotating shaft (203) is rotatably mounted on the upper part of the U-shaped mounting frame (201). A collision plate (204) is provided at the top of the rotating shaft (203), and a transmission block (213) is provided on the side of the collision plate (204). An extension plate (205) is provided at the bottom of the rotating shaft (203), and a telescopic plate (206) is movably connected to the bottom of the extension plate (205). 6) The bottom is fixedly connected to a striking head (207), and the side support plate (202) is provided with a shaped pushing block (212). One end of the shaped pushing block (212) is provided with a rotary motor (211). The U-shaped mounting bracket (201) is provided on both sides of the bottom of the sliding frame (105). The bottom of the U-shaped mounting bracket (201) is fixedly installed with a vibration sensor detector (214). 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) includes a monitoring probe (301), which is set on both sides of the sliding frame (105). A shooting lens (302) is set at the bottom of the monitoring probe (301). A connecting rod (303) is fixedly connected to the side of the monitoring probe (301). A mounting base (304) is fixedly connected to one end of the connecting rod (303). The mounting base (304) is symmetrically installed on both sides of the sliding frame (105). The moving detection mechanism (1) is symmetrically provided with a screwing mechanism (4) at both ends. The screwing mechanism (4) includes a guide rail frame (401). A translation slider (406) is slidably connected to the inner side of the guide rail frame (401). A guide rod (409) is connected to the side of the translation slider (406). A right-angle connector (410) is slidably connected to the outer side of the guide rod (409). A lifting cylinder (411) is provided at one end of the right-angle connector (410). A screwing motor (412) is connected to the bottom of the lifting cylinder (411). A connector (413) is provided at the bottom of the screwing motor (412). A sleeve (414) is inserted into the bottom of the connector (413). The guide rail frame (401) has a sliding groove (402) on its side and a guide groove (403) on its bottom. The translation slider (406) is slidably installed inside the sliding groove (402). A guide block (407) is fixedly connected to the bottom of the translation slider (406), and the guide block (407) is slidably connected to the inside of the guide groove (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 to a translation lead screw (405), which 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 rotating motor (412) is symmetrically provided with guide rods (415), and one end of the guide 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).
2. The rapid detection device for loose rail fasteners according to claim 1, characterized in that: The striking head (207) is threaded with an adjusting screw (208), and an adjusting motor (209) is provided on the top of the adjusting screw (208). A connecting block is provided on the side of the extension plate (205), and the adjusting screw (208) is threaded to the inner side of the connecting block. A slot (210) is provided on the side of the rotating shaft (203).
3. The rapid detection device for loose rail fasteners according to claim 1, characterized in that: The test frame (101) has two guide rail grooves (102) at its bottom. The sliding frame (105) has symmetrically mounted sliding parts (106) on its top. The sliding parts (106) are slidably connected to the inside of the guide rail grooves (102). The test frame (101) has four handles (103) on its top. The test frame (101) has a test controller (104) on its top.
4. The rapid detection device for loose rail fasteners according to claim 3, characterized in that: The sliding frame (105) has a lifting slot (107) through it. A lifting slider (108) is slidably installed on the inner side of the lifting slot (107). A lifting screw (109) is threadedly connected to the inner side of the lifting slider (108). A lifting adjustment motor (110) is provided at the bottom of the lifting screw (109). The lifting adjustment motor (110) is located at the bottom of the sliding frame (105). Roller brackets (111) are provided at both ends of the bottom of the lifting slider (108). The movable roller (112) is rotatably installed on the inner side of the roller bracket (111). Several right-angle inner supports (113) and inner support ribs (114) are distributed on the inner side of the sliding frame (105).
Citation Information
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Device for detecting looseness of steel rail fastener bolt
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