A gauge checking device and method for a track gauge tester

Abstract

A track gauge detector size detection device and method, relates to track calibration test equipment technical field, including detection table, support assembly set in the top surface of detection table both sides, and with support assembly sliding connection moving assembly, the support assembly includes two long beams, the long beam is provided with the sliding slot extending along the length direction, the sliding slot is provided with the moving assembly, the moving assembly is provided with the clamping assembly for positioning the track gauge detector, through setting the locking plate can extend outward in the first sliding seat and the second sliding seat, and the locking rack is correspondingly arranged in the sliding slot of the long beam, when the tooth trace of the locking plate is engaged with the locking rack, the moving assembly carrying the track gauge detector can be reliably locked along the sliding slot direction, fundamentally solves the safety hidden danger that the track gauge detector lacks effective constraint, is easy to have accidental slip or overturning in the super high detection in the prior art, significantly improves the safety of detection operation.

Description

Technical Field

[0001] This invention relates to the field of track calibration and testing equipment technology, and more specifically, to a ruler inspection device for a track inspection instrument. Background Technology

[0002] Track inspection instruments are key equipment used to detect the geometric parameters of railway tracks (such as gauge, level, superelevation, and alignment). Their measurement accuracy directly affects track smoothness and train operation safety. To ensure the accuracy of the track inspection instrument, it needs to be periodically placed on a dedicated calibration bench to calibrate and verify its superelevation measurement performance by simulating different superelevation conditions of the track.

[0003] In existing superelevation verification processes, the track inspection instrument is typically placed freely across two simulated long beams on the verification platform, and the set superelevation value is reproduced by raising one side of the beam. However, this verification method poses significant safety hazards. Due to the instrument's considerable weight and the fact that it relies solely on the friction between its wheels and the top surface of the beam to maintain its straddle posture, without any active locking or anti-detachment mechanisms, the instrument is highly susceptible to accidental slippage along the tilt direction when one side is raised to simulate superelevation, especially under conditions of improper lifting speed control or mechanical vibration. Even more seriously, if the instrument's center of gravity projection exceeds the boundary of the supporting beam, the entire unit will tip over and fall from the verification platform. This not only damages the expensive track inspection instrument but could also injure operators observing and recording data nearby, posing a serious threat to personal safety.

[0004] Based on the above background, the inventors designed a track inspection device and method to solve at least one of the above problems, and hereby submit this application. Summary of the Invention

[0005] The purpose of this invention is to provide a ruler inspection device and method for a track inspection instrument, which aims to solve the technical problem that existing track inspection instruments are prone to accidental slippage or overturning during ultra-high-altitude inspection due to the lack of a locking mechanism, resulting in equipment damage and personnel injury.

[0006] This invention is achieved through the following technical solution: A gauge inspection device for a track inspection instrument includes a calibration table, support components disposed on both sides of the top surface of the calibration table, and a movable component slidably disposed on the support components. The support components include a long beam disposed on both sides of the top surface of the calibration table, and the long beam has a sliding groove. The moving component includes a first slide block and a second slide block slidably disposed in a slide groove. The first slide block and the second slide block are provided with a clamping component for positioning the track inspection instrument. The clamping component includes a placement groove for supporting the rollers of the track inspection instrument and clamping plates slidably disposed along both sides of the placement groove. Both the first and second slides are provided with locking mechanisms between themselves and the slide groove. The locking mechanisms have a locked state and an unlocked state. When in the locked state, the moving component can be locked in position within the slide groove. When in the unlocked state, the moving component can slide along the slide groove. The moving component is also provided with an unlocking drive component, which is drivenly connected to the locking mechanism and is used to drive the locking mechanism to switch between the locked state and the unlocked state. The bottom front and rear sides of the long beam are provided with mounting seats, and the mounting seats are also connected to the top surface of the calibration table. Both the first and second slides are provided with receiving cavities. The locking mechanism includes locking plates that are slidably disposed on both sides of the cavity along the length direction, and the locking plates also extend outwards toward the outer sides of the first and second slides. The upper sides of the inner wall of the slide groove are provided with side grooves corresponding to the locking plates along the width direction. A locking rack is fixedly disposed in the side groove. The end of the locking plate facing the side groove is provided with tooth marks that are adapted to the locking rack. A first spring is provided between the adjacent ends of the two locking plates. When the first spring pushes the locking plate to move outward, the tooth marks on the locking plate can engage with the locking rack. The adjacent ends of the two locking plates are provided with a first inclined surface in the shape of a trapezoidal block, and the first inclined surface gradually slopes outward from top to bottom. The unlocking drive assembly includes a pressure plate that is slidably disposed above the cavity along the height direction. A first mounting rod is provided on both sides of the bottom of the pressure plate along the height direction. A first push wheel is provided at the lower end of the first mounting rod, and the first push wheel is in contact with the first inclined surface. When the pressure plate drives the first mounting rod to move downward, the locking plate can be moved inward by the pressing of the first push wheel. The bottom of the receiving cavity has a groove in the middle. A movable column is slidably arranged in the middle of the groove along the height direction. The upper end of the movable column protrudes from the top surface of the pressure plate. A second spring is also arranged between the lower end of the movable column and the bottom surface of the groove. A second mounting rod is arranged on both sides of the outer wall of the movable column along the length direction. A second push wheel is arranged on the outer end of the second mounting rod. The two locking plates have mounting blocks at adjacent ends on the bottom surface. A second inclined surface is arranged on the inner side of the mounting block. The second inclined surface gradually slopes outward from top to bottom. When the movable column slides upward, the second push wheel can contact the second inclined surface. A top plate is also arranged at the upper end of the movable column. Horizontal plates are arranged on both sides of the top plate along the length direction.

[0007] Furthermore, the clamping assembly includes a first clamping seat and a second clamping seat. The first clamping seat is connected to the upper end of the first slide, and the second clamping seat is connected to the second slide. The placement groove is formed on the first clamping seat and the second clamping seat. The clamping plate is concave and is slidably disposed on both sides of the upper end of the placement groove along the length direction. Both the first clamping seat and the second clamping seat are provided with cavities. Limiting grooves are formed on both sides of the bottom surface of the inner wall of the cavity along the length direction. Both sides of the top surface of the first and second clamping seats are provided with elongated vertical grooves along the length direction, and the vertical grooves are also connected to the cavity. A vertical block is slidably arranged in the vertical groove, and the upper end of the vertical block is connected to the corresponding clamping plate. The lower end of the vertical block extends into the cavity. Movable plates are slidably arranged on both sides of the cavity along the length direction. The movable plates are connected to the vertical blocks. When the two movable plates slide inward or outward at the same time, the two clamping plates can be driven to move synchronously through the vertical blocks. Limiting blocks are slidably arranged on the inner ends of the two limiting grooves. The ends of the limiting blocks are connected to the movable plates. A first elastic element is provided on the outer end of the limiting groove, and one end of the first elastic element is connected to the corresponding limiting block.

[0008] Furthermore, a through groove is provided between the inner ends of the two limiting grooves and the inner top surface of the receiving cavity along the height direction. Hollow extension rods are fixed on both sides of the top surface of the pressure plate along the height direction, and the inner and outer sides of the two extension rods are interconnected. The upper end of the extension rod extends into the lower section of the through groove. The outer end of the horizontal plate extends into the hollow structure of the extension rod. An inner rod is slidably provided inside the extension rod along the height direction. The lower end of the inner rod is connected to the horizontal plate. The upper end of the inner rod extends from the top surface of the extension rod to the upper section of the through groove. The inner wall of the through groove has mounting grooves on both the front and rear sides along the width direction. A locking block is slidably disposed at one end of the mounting groove near the through groove. Each of the two locking blocks has an inclined end that gradually slopes inward from top to bottom at the end near the through groove, and the inclined end extends into the through groove. A second elastic element is also disposed between the end of the mounting groove away from the through groove and the locking block. The upper end of the inner rod passes through the adjacent ends of the two locking blocks, and the upper end of the extension rod abuts against the lower ends of the two locking blocks.

[0009] Furthermore, rectangular movable slots are provided through the left and right sides of the first and second clamping seats along the length direction, and movable rods are slidably arranged in the movable slots along the height direction with the outer surfaces of the first and second clamping seats. Long strip-shaped inserts are fixedly arranged on both sides of the lower end of the movable rods. The inserts are opposite to the through opening between the through slot and the limiting slot. When the movable rod drives the inserts to move downward, the inserts can enter the through slot. The insert has a side profile that is wider at the top and narrower at the bottom. The lower end of the insert has a stop block with a larger top surface area than the bottom surface area. The upper end of the stop block has a movable block that slides along the outer side of the insert, with a larger bottom surface area than the top surface area. Guide surfaces are provided on the front and rear sides of both the stop block and the movable block. The guide surface of the stop block gradually slopes inward from top to bottom, and the guide surface of the movable block gradually slopes outward from top to bottom. When the insert block moves the stop block downward, the stop block can push the locking block into the mounting groove. When the insert block continues to move the stop block downward, the movable block can push the locking block back into the mounting groove.

[0010] Furthermore, both the first and second clamping seats have a corresponding longitudinal groove in their cavities, and the longitudinal grooves are arranged along the width direction. A fixed tube is provided between the first and second slides, and a long strip-shaped transmission plate is slidably arranged in the fixed tube. The front end of the transmission plate extends into the longitudinal groove of the first clamping seat, and the rear end of the transmission plate extends into the longitudinal groove of the second clamping seat. Push blocks are provided on both the left and right sides of the cavities of the first and second clamping seats, and the push blocks are arranged along the length direction. The inner end of the push block is connected to the transmission plate. The inner side of the two movable plates facing the push block is provided with a third inclined surface, and the third inclined surface is also opposite to the push block. The front end of the transmission plate also protrudes from the front of the first clamping seat. A protrusion is provided on the front side of the top face of the long beam, and the protrusion is opposite to the front end of the transmission plate. When the first clamping seat approaches the inner front end of the slide groove, the protrusion can first contact the protruding end of the transmission plate. A third spring is also provided between the longitudinal groove of the second clamping seat and the rear end of the transmission plate. When the first clamping seat moves away from the inner front end of the slide groove, the third spring can drive the transmission plate to reset. When the transmission plate is in the reset state, the push block and the movable plate are spaced apart.

[0011] Furthermore, the cavities of the first and second clamping seats are provided with connecting grooves on both the left and right sides, and the connecting grooves are also connected to the longitudinal grooves. A connecting block is slidably disposed in the connecting groove, and one end of the connecting block is connected to the transmission plate. A notch is also provided between the inner end of the connecting groove and the limiting groove. A stop block is slidably disposed in the notch, and one end of the stop block is connected to the connecting block. When the first clamping seat moves closer to the inner front end of the sliding groove, the transmission plate can drive the stop block to retract completely into the connecting groove. When the first clamping seat moves away from the inner front end of the sliding groove, the elastic force of the third spring can cause the transmission plate to drive the stop block into the limiting groove. When the limiting block moves to the inner side of the limiting groove, the stop block can block the limiting block.

[0012] A method for measuring track gauges, applied to the measuring device of the track gauges described above, includes the following steps: S1: Move the moving component to the front end of the long beam so that the transmission plate contacts the protrusion and is pushed into the cavity, thereby driving the movable plate and clamping plate to move outward synchronously. This can open the clamping plate, and after opening, the placement slot can be opened. At this time, the entire track instrument body can be placed on the first clamping seat and the second clamping seat, and the rollers at the track instrument body can be pushed into the placement slot. S2: Press down the movable rod to make the insert block enter the through slot. The abutment block presses the inner rod and the extension rod in sequence, driving the second push wheel to disengage from the inner side of the locking plate. Then the first push wheel pushes the locking plate inward and disengages from the locking rack. This can unlock the moving component. After unlocking, the track inspection instrument is moved to the predetermined test position. S3: When the track inspection instrument reaches the test position, reverse the operation of the movable rod. The movable block pushes the locking block into the installation groove, and the insert block moves upward and disengages from the limit groove. The first elastic element drives the movable plate and the limit block to reset, so that the clamping plate moves inward to clamp the roller. The third spring drives the stop block into the limit groove, which can prevent the limit block from retracting, thereby maintaining stable clamping. S4: After the track inspection instrument is fully locked, the calibration platform is lifted to the required tilt angle with the help of the external telescopic actuator to simulate the superelevation state of the track and to perform superelevation parameter verification or calibration on the track inspection instrument.

[0013] Compared with the prior art, the present invention has the following advantages and beneficial effects: 1. The present invention provides a gauge inspection device for a track inspection instrument. By providing an outwardly extending locking plate in the first and second slides and a corresponding locking rack in the slide groove of the long beam, when the teeth of the locking plate engage with the locking rack, the moving component carrying the track inspection instrument can be reliably locked along the slide groove direction. This fundamentally solves the safety hazards of the prior art track inspection instrument lacking effective restraint during ultra-high-altitude inspection, which is prone to accidental slippage or overturning, and significantly improves the safety of the inspection operation.

[0014] 2. The track inspection device of the present invention, through the cooperation of the pressure plate, the first push wheel and the first inclined surface of the locking plate, and the cooperation of the movable column, the second push wheel and the second inclined surface of the locking plate, realizes the pure mechanical linkage control of locking and unlocking. In particular, in the locked state, the second push wheel forms a rigid abutment against the inner side of the locking plate, which can effectively prevent the locking plate from accidentally retracting under vibration or external force, and greatly improve the stability and reliability of locking.

[0015] 3. The track inspection device of the present invention, by setting a linkage mechanism of clamping plate, movable plate, limiting block and insert block on the clamping seat, and combining it with the transmission plate and protrusion, allows the operator to automatically trigger the clamping plate to open by simply pushing the moving component to the front end of the slide, which facilitates the loading of the track inspection device; after positioning, a series of operations such as unlocking, shifting, clamping and secondary locking can be completed in sequence by simple pressing and lifting actions. The entire inspection process is smooth and efficient, and the labor intensity of the operator is effectively reduced.

[0016] 4. The track inspection device of the present invention, after the clamping plate is clamped, uses the transmission plate to reset and drive the stop block into the limiting groove, forming a physical barrier on the limiting block, thereby realizing the mechanical maintenance of the clamping state. This secondary locking design can effectively prevent the clamping plate from accidentally loosening due to accidental contact or vibration, and further ensures the stability of the track inspection instrument's posture throughout the ultra-high calibration process. Attached image description: The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and form part of this application, do not constitute a limitation thereof. In the drawings: Figure 1 This is an overall structural diagram of the ruler inspection device of a track inspection instrument according to the present invention.

[0017] Figure 2 This is an installation structure diagram of the support component and sliding component of the present invention.

[0018] Figure 3 This is a cross-sectional installation structure diagram of the slide and clamping seat of the present invention.

[0019] Figure 4 This is an internal cross-sectional view of the clamping seat of the present invention.

[0020] Figure 5 This is a structural diagram of the installation of the first clamping seat and the second clamping seat of the present invention.

[0021] Figure 6 This is a diagram showing the internal structure of the first clamping seat and the second clamping seat of the present invention.

[0022] Figure 7 This is a structural diagram of the installation of the transmission plate, the first clamping seat, and the second clamping seat according to the present invention.

[0023] Figure 8 This is a structural diagram of the installation of the limiting block and the stop block of the present invention.

[0024] Figure 9 This is a diagram showing the internal structure of the slide of the present invention.

[0025] Figure 10 This is a diagram showing the installation structure of the movable column and inner rod of the present invention.

[0026] Figure 11 This is a structural diagram of the insertion block and through slot of the present invention.

[0027] Figure 12 for Figure 11 Enlarged structural diagram at point A in the image.

[0028] The attached diagram shows the markings and corresponding component names: 1. Calibration table; 2. Support assembly; 21. Mounting base; 22. Long beam; 23. Slide groove; 24. Side groove; 25. Locking rack; 26. Protrusion; 3. Moving assembly; 31. First slide; 32. Second slide; 33. Receiving cavity; 331. Locking plate; 332. First inclined surface; 333. First spring; 334. Pressure plate; 335. First mounting rod; 336. First push roller; 337. Extension rod; 338. Inner rod; 34. Bottom groove; 341. Movable column; 342. Second spring; 343. Second mounting rod; 344. Second push roller; 345. Mounting block; 346. Second inclined surface; 347. Top plate; 348. Horizontal plate; 4. Clamping assembly; 41. First clamping seat; 42. Second clamping seat; 43. Placement slot; 44. Clamping plate; 441. Vertical slot; 442. Vertical block; 45. Fixing tube; 451. Transmission plate; 452. Push block; 46. Cavity; 461. Movable plate; 462. Third inclined surface; 463. Limiting slot; 464. Limiting block; 465. First elastic element; 47. Longitudinal slot; 471. Third spring; 48. Connecting slot; 481. Connecting block; 482. Stop block; 5. Through groove; 51. Mounting groove; 52. Locking block; 53. Second elastic element; 6. Movable groove; 61. Movable rod; 62. Insert block; 63. Abutment block; 64. Movable block; 65. Guide surface; 7. Support assembly; 71. First leg; 72. Second leg; 73. Support plate; 74. Telescopic rod; 75. Connecting plate. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0033] Furthermore, the terms "parallel" and "perpendicular" do not imply that components must be absolutely parallel or perpendicular, but rather that they can be slightly tilted. For example, "parallel" simply means that its direction is more parallel than "perpendicular," not that the structure must be perfectly parallel, but that it can be slightly tilted.

[0034] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0035] Example 1 This embodiment mainly introduces the main structure of the moving component 3 and the clamping component 4, and how to specifically limit and lock them with the slide 23.

[0036] Please see Figures 1 to 12 This invention provides a track inspection device for a track inspection instrument, comprising an inspection platform 1, support components 2 disposed on both sides of the top surface of the inspection platform 1, and a movable component 3 slidably connected to the support components 2. The support components 2 include two long beams 22, which are spaced apart along their width on both sides of the top surface of the inspection platform 1. Each long beam 22 has a mounting base 21 on its front and rear sides, and the mounting base 21 is also connected to the top surface of the inspection platform 1, thus ensuring the long beam 22 is stably mounted above the inspection platform 1. Each long beam 22 has a groove 23 extending along its length, and the movable component 3 is slidably disposed within the groove 23.

[0037] The moving assembly 3 includes a first slide 31 and a second slide 32, which are spaced apart and slidably disposed within a slide groove 23. A fixing tube 45 is provided between the first slide 31 and the second slide 32, connecting the two slides into a whole to ensure synchronous movement. The moving assembly 3 is provided with a clamping assembly 4 for positioning the track inspection instrument. The clamping assembly 4 includes a first clamping seat 41 and a second clamping seat 42, with the first clamping seat 41 connected to the upper end of the first slide 31 and the second clamping seat 42 connected to the second slide 32. Both the first clamping seat 41 and the second clamping seat 42 have placement slots 43 for storing the rollers of the track inspection instrument. The rollers on both sides of the track inspection instrument can be placed in the two placement slots 43 respectively, thereby stably placing the track inspection instrument across the clamping assembly 4.

[0038] Both the first slide block 31 and the second slide block 32 are provided with receiving cavities 33. Locking plates 331 are slidably disposed on both sides of the interior of each receiving cavity 33 along the length direction, with one end of each locking plate 331 extending outwards from the outer side of the first slide block 31 and the second slide block 32. Side grooves 24, corresponding to the locking plates 331, are formed on both sides of the upper end of the inner wall of the slide groove 23 along the width direction. Locking racks 25 are fixedly disposed within the side grooves 24 along the width direction. The end of the locking plate 331 facing the side groove 24 has teeth that mate with the locking rack 25. A first spring 333 is disposed between the adjacent ends of the two locking plates 331. When the first spring 333 pushes the locking plate 331 to move outwards, the teeth on the locking plate 331 engage with the locking rack 25, thereby locking the first slide block 31 or the second slide block 32 in the current position of the slide groove 23, preventing accidental sliding of the moving assembly 3.

[0039] Specifically, such as Figure 3 and Figure 9 As shown, each of the adjacent ends of the two locking plates 331 is provided with a first inclined surface 332 in the shape of a trapezoid, and the first inclined surface 332 gradually slopes outward from top to bottom. A pressure plate 334 is slidably disposed above the interior of the receiving cavity 33 along the height direction, and a first mounting rod 335 is provided on both sides of the bottom of the pressure plate 334 along the height direction. A first push wheel 336 is provided at the lower end of the first mounting rod 335, and the first push wheel 336 is in contact with the first inclined surface 332. When the pressure plate 334 drives the first mounting rod 335 to move downward, the first push wheel 336 can press the locking plate 331 inward, causing the tooth marks to disengage from the locking rack 25, thereby unlocking the moving component 3.

[0040] Specifically, a bottom groove 34 is formed in the middle of the bottom of the receiving cavity 33. A movable column 341 is slidably arranged in the middle of the bottom groove 34 along the height direction, and the upper end of the movable column 341 protrudes from the top surface of the pressure plate 334. A second spring 342 is also provided between the lower end of the movable column 341 and the inner bottom surface of the bottom groove 34, and the second spring 342 provides an upward elastic force for the movable column 341. A second mounting rod 343 is provided on both sides of the outer wall of the movable column 341 along the length direction, and a second push wheel 344 is provided at the outer end of the second mounting rod 343. The bottom surfaces of the two locking plates 331 are provided with mounting blocks 345 at adjacent ends, and a second inclined surface 346 is provided on the inner side of the mounting block 345, which gradually slopes outward from top to bottom. When the movable column 341 slides upward under the action of the second spring 342, the second push wheel 344 can contact the second inclined surface 346, thereby forming a rigid abutment support on the inner side of the locking plate 331. At this time, even when the locking plate 331 is subjected to an inward external force, it cannot retract inward due to the support of the second push wheel 344. This ensures the stability of the locking plate 331 and the locking rack 25 in the meshing state, thereby preventing accidental unlocking due to vibration or external force.

[0041] like Figures 9 to 12 As shown, hollow extension rods 337 are fixedly installed on both sides of the top surface of the pressure plate 334 along the height direction, and the adjacent ends of the two extension rods 337 are interconnected with each other. A rectangular top plate 347 is movably installed in the middle of the top surface of the pressure plate 334 along the height direction, and the upper end of the movable column 341 is also connected to the top plate 347. Horizontal plates 348 are installed on both the left and right sides of the top plate 347 along the length direction, and the outer ends of the horizontal plates 348 extend into the hollow structure of the extension rods 337. An inner rod 338 is slidably installed inside the extension rods 337 along the height direction, and the lower end of the inner rod 338 is connected to the horizontal plate 348. When the movable column 341 slides up and down, it can drive the horizontal plate 348 and the inner rod 338 to rise and fall synchronously. Secondly, since the extension rod 337 is fixedly connected to the pressure plate 334, when the extension rod 337 is subjected to downward pressure, it can drive the pressure plate 334 to move downward synchronously. As for the inner rod 338, since it is connected to the movable column 341 through the horizontal plate 348 and the top plate 347, the inner rod 338 can be driven to rise and fall by the movable column 341, and it can also push the movable column 341 downward through the top plate 347 and the movable column 341 under the action of external pressure. In this way, the second push wheel 344 can be controlled to slide up and down.

[0042] Specifically, such as Figure 3 , Figures 11 to 12As shown, both the first clamping seat 41 and the second clamping seat 42 are provided with cavities 46. Limiting grooves 463 are formed on both sides of the bottom surface of the inner wall of the cavity 46 along the length direction. Through grooves 5 are formed between the inner ends of the two limiting grooves 463 and the inner top surface of the receiving cavity 33 along the height direction. The upper end of the extension rod 337 extends into the lower section of the through groove 5, and the upper end of the inner rod 338 extends from the top surface of the extension rod 337 to the upper section of the through groove 5. Because the upper end of the inner rod 338 protrudes above the extension rod 337, when the upper end of the inner rod 338 is pressed externally, the inner rod 338 will move downwards first, while the extension rod 337 will only move subsequently after the inner rod 338 continues to move downwards or is further pressed. This allows for timing control of the triggering mechanisms of different components.

[0043] Specifically, such as Figure 12 As shown, mounting grooves 51 are provided on both the front and rear sides of the inner wall of the through groove 5 along the width direction. A locking block 52 is slidably mounted on one end of the mounting groove 51 near the through groove 5. Each locking block 52 has an inclined end that gradually slopes inwards from top to bottom at the end near the through groove 5, and the inclined end extends into the through groove 5. A second elastic element 53 is also provided between the end of the mounting groove 51 away from the through groove 5 and the locking block 52. The second elastic element 53 can be a spring or a sheet. Simultaneously, the upper end of the inner rod 338 passes between the adjacent ends of the two locking blocks 52, and the upper end of the extension rod 337 abuts against the lower ends of the two locking blocks 52. Under normal conditions, the locking block 52 extends into the through groove 5 under the action of the second elastic element 53, and its lower end blocks the upper end of the extension rod 337, keeping the extension rod 337 at its current height position. The design of the inner rod 338 allows its upper end to extend above the locking block 52, so that when other components enter the through slot 5, the inner rod 338 can be triggered first.

[0044] Example 2 This embodiment mainly describes how to control the extension or retraction of the locking plate 331, and how the clamping plate 44 clamps and fixes the rollers of the track inspection instrument.

[0045] Please see Figures 3 to 8 Both the first clamping seat 41 and the second clamping seat 42 have rectangular movable slots 6 extending along their length on both their left and right sides. A movable rod 61 is slidably mounted within each movable slot 6, along the height direction, to the outer surfaces of both the first clamping seat 41 and the second clamping seat 42. Long strip-shaped inserts 62 are fixedly mounted on both sides of the lower end of the movable rod 61. The inserts 62 are aligned with the through openings between the through slot 5 and the limiting slot 463. When the movable rod 61 moves the inserts 62 downwards, the inserts 62 can enter the through slot 5.

[0046] The insert block 62 has a side profile that is wider at the top and narrower at the bottom. A stop block 63 is provided at the lower end of the insert block 62, and the top surface area of ​​the stop block 63 is larger than the bottom surface area of ​​the insert block 62. A movable block 64 is slidably disposed at the upper end of the stop block 63 along the outer side of the insert block 62, and the bottom surface area of ​​the movable block 64 is larger than the top surface area of ​​the stop block 63. Guide surfaces 65 are provided on both the front and rear sides of the stop block 63 and the movable block 64. The guide surface 65 of the stop block 63 gradually slopes inward from top to bottom, and the guide surface 65 of the movable block 64 gradually slopes outward from top to bottom.

[0047] When the insert block 62 drives the abutment block 63 downward, the guide surface 65 of the abutment block 63 first contacts the inclined end of the locking block 52. Since the guide surface 65 of the abutment block 63 gradually slopes inward from top to bottom, it can push and compress the locking block 52 into the mounting groove 51 during the continued downward movement, thereby releasing the blocking block 52 from obstructing the extension rod 337. On the other hand, while the insert block 62 drives the abutment block 63 downward, its lower end surface will first contact the upper end of the inner rod 338. Since the inner rod 338 protrudes above the extension rod 337, the abutment block 63 first presses the inner rod 338 downward. The inner rod 338 drives the movable column 341 to move downward synchronously through the top plate 347. The second spring 342 at the lower end of the movable column 341 is compressed, and the second mounting rod 343 drives the second push wheel 344 downward to disengage from the second inclined surface 346 of the locking plate 331, thereby releasing the rigid support of the locking plate 331 in advance. Subsequently, the stop block 63 continues to move down and contacts the upper end of the extension rod 337. After the extension rod 337 is subjected to force, it will drive the entire pressure plate 334 to move down. At this time, the first push wheel 336 at the bottom of the pressure plate 334 contacts the first inclined surface 332 of the locking plate 331, pushing the locking plate 331 inward, so that the tooth marks of the locking plate 331 disengage from the locking rack 25, thereby completing the unlocking of the moving component 3.

[0048] Since the second pusher 344 has been pushed out in advance before the abutment 63 contacts the extension rod 337, when the first pusher 336 pushes the locking plate 331 inward, the locking plate 331 will not be obstructed by the second pusher 344, effectively avoiding the problem of component interference.

[0049] When the insert block 62 continues to drive the abutment block 63 downward for a certain distance, the movable block 64 moves down to the position of the locking block 52. Since the guide surface 65 of the movable block 64 gradually slopes outward from top to bottom, the movable block 64 can push the already reset locking block 52 back into the mounting groove 51. After retraction, the movable block 64 reaches the lower end of the locking block 52. At this point, if the movable rod 61 is pulled upward, the insert block 62 will slide upward. During the upward pulling process, the guide surface 65 of the movable block 64 slides relative to the inclined end of the locking block 52 from bottom to top, using its outwardly inclined surface to push the locking block 52 back into the mounting groove 51, thereby releasing the obstruction to the abutment block 63 and allowing the insert block 62, abutment block 63, and movable block 64 to smoothly reset upward. After the reset process, the locking block 52 will re-enter the through groove 5 under the action of the second elastic element 53, making it easier for the abutment block 63 to contact the locking block 52 again later.

[0050] Specifically, such as Figures 4 to 7 As shown, both sides of the top surface of the first clamping seat 41 and the second clamping seat 42 are provided with elongated vertical grooves 441 along the length direction, and the vertical grooves 441 are also connected to the cavity 46. A vertical block 442 is slidably disposed in the vertical groove 441, and the upper end of the vertical block 442 is connected to the corresponding clamping plate 44, while the lower end of the vertical block 442 extends into the cavity 46. A movable plate 461 is slidably disposed on both sides of the cavity 46 along the length direction, and each movable plate 461 is connected to a vertical block 442. When the two movable plates 461 slide inward or outward at the same time, the vertical block 442 can drive the two clamping plates 44 to move synchronously, thereby clamping or releasing the roller in the placement groove 43.

[0051] Specifically, such as Figures 6 to 8 As shown, a limiting block 464 is slidably provided on the inner end of each of the two limiting grooves 463. One end of the limiting block 464 is connected to a movable plate 461. A first elastic element 465 is provided on the outer end of each of the two limiting grooves 463. The first elastic element 465 can be a spring or a sheet, and one end of the first elastic element 465 is connected to the corresponding limiting block 464. In use, the first elastic element 465 provides an inward pushing force to the limiting block 464. When the insert block 62 has not entered the through groove 5, the limiting block 464 moves to the inner end of the limiting groove 463 under the action of the first elastic element 465. At this time, the limiting block 464 can drive the movable plate 461 and the clamping plate 44 to be in the inner clamping position. When the insert block 62 enters the through groove 5 and is pressed down, the insert block 62 will prevent the limiting block 464 from sticking to the inner end of the limiting groove 463, thereby pushing the limiting block 464 to the outside. This can drive the movable plate 461 to move outward, so that the clamping plate 44 is in the unfolded state, which makes it convenient to remove the rollers at the track inspection instrument.

[0052] Specifically, such as Figures 5 to 8As shown, both the first clamping seat 41 and the second clamping seat 42 have a corresponding longitudinal groove 47 in the cavity 46, and the longitudinal grooves 47 are arranged along the width direction. A long strip-shaped transmission plate 451 is slidably disposed in the fixed tube 45, and the front end of the transmission plate 451 extends into the longitudinal groove 47 of the first clamping seat 41, while the rear end of the transmission plate 451 extends into the longitudinal groove 47 of the second clamping seat 42. Push blocks 452 are provided on both the left and right sides of the cavity 46 of the first clamping seat 41 and the second clamping seat 42, and the push blocks 452 are arranged along the length direction, with the inner end of the push block 452 connected to the transmission plate 451. The inner side of the end of each of the two movable plates 461 facing the push block 452 is provided with a third inclined surface 462, and the third inclined surface 462 is also opposite to the push block 452. The front end of the transmission plate 451 extends through the front of the first clamping seat 41, and a protrusion 26 is provided on the front side of the top of the long beam 22, and the protrusion 26 is arranged opposite to the front end of the transmission plate 451.

[0053] When the first clamping seat 41 approaches the inner front end of the slide groove 23, the protrusion 26 can first contact the protruding end of the transmission plate 451, pushing the transmission plate 451 into the cavity 46. The transmission plate 451 drives the push block 452 to move inward synchronously, and the push block 452 contacts the third inclined surface 462 of the movable plate 461. Through the inclined surface cooperation, the movable plate 461 is pushed outward, thereby driving the clamping plate 44 to move outward synchronously, opening the placement groove 43, which facilitates the insertion or removal of the track inspection instrument roller.

[0054] Specifically, such as Figures 5 to 7 As shown, a third spring 471 is also provided between the longitudinal groove 47 of the second clamping seat 42 and the rear end of the transmission plate 451. When the first clamping seat 41 moves away from the inner front end of the slide groove 23, the third spring 471 can drive the transmission plate 451 to reset, and the push block 452 can separate from the movable plate 461. After separation, the movable plate 461 can return to its original position under the action of the first elastic element 465. At the same time, when the transmission plate 451 is in the reset state, the push block 452 and the movable plate 461 can be separated from each other. The purpose of this design is that when the transmission plate 451 drives the stop block 482 from the limiting groove 463 into the connecting groove 48, the movable plate 461 and the push block 452 are still in a spaced-out state. In this state, it can be ensured that the push block 452 will only contact the movable plate 461 and trigger subsequent actions after the stop block 482 has completely retracted from the limiting groove 463 into the connecting groove 48.

[0055] like Figure 8As shown, a connecting groove 48 is provided on both the left and right sides of the cavity 46 of the first clamping seat 41 and the second clamping seat 42, and the connecting groove 48 is also connected to the longitudinal groove 47. A connecting block 481 is slidably disposed in the connecting groove 48, and one end of the connecting block 481 is also connected to the transmission plate 451. A notch is also provided between the inner end of the connecting groove 48 and the limiting groove 463, and a stop block 482 is slidably disposed in the notch, with one end of the stop block 482 connected to the connecting block 481.

[0056] When the first clamping seat 41 approaches the inner front end of the slide groove 23, the transmission plate 451 is pushed into the cavity 46 by the protrusion 26, causing the connecting block 481 and the stop block 482 to retract completely into the connecting groove 48. At this time, the stop block 482 has no obstruction effect on the limiting groove 463, so the limiting block 464 can move outward. When the first clamping seat 41 leaves the inner front end of the slide groove 23, the elastic force of the third spring 471 causes the transmission plate 451 to reset. During the reset process, the stop block 482 will enter into the limiting groove 463. Based on this, when the limiting block 464 moves to the inner side of the limiting groove 463 under the action of the first elastic member 465, the stop block 482 entering the limiting groove 463 can block the limiting block 464, thus preventing the limiting block 464 from retracting under the action of external force, thereby maintaining the stable clamping state of the clamping plate 44 on the roller.

[0057] Furthermore, it should be noted that since the stop block 482 is directly connected to the transmission plate 451 via the connecting block 481, the stop block 482 moves into the connecting groove 48 with the retraction of the transmission plate 451 before the transmission plate 451 contacts the movable plate 461. This allows the limit block 464 to be unlocked in advance. This early unlocking design avoids the situation where the position is stuck when the transmission plate 451 pushes the movable plate 461 to move because the stop block 482 has not moved out, thus ensuring the smoothness of the entire linkage process.

[0058] Example 3 This embodiment mainly describes how the support assembly 7 lifts the calibration platform 1 to simulate the superelevation state of the track.

[0059] Please see Figure 1 The bottom surface of the calibration platform 1 is also equipped with a support assembly 7, which includes two first legs 71 and two second legs 72. The upper ends of the two first legs 71 are hinged to the left side of the bottom surface of the calibration platform 1 via pins, and the upper ends of the two second legs 72 are attached to the right side of the bottom surface of the calibration platform 1, thus providing support for the right side of the calibration platform 1. A support plate 73 is also provided between the first legs 71 and the second legs 72. A telescopic rod 74 is hinged to the outer side of the support plate 73 via a pin. A connecting plate 75 is provided on the right side of the calibration platform 1, and the connecting plate 75 is also hinged to the telescopic end of the telescopic rod 74 via a pin.

[0060] When simulating track superelevation, the operator adjusts the telescopic rod 74 to extend it. The telescopic end of the telescopic rod 74 applies an upward thrust to the right side of the calibration platform 1 via the connecting plate 75, while the telescopic rod 74 rotates around the pin on the support plate 73. Since the left side of the calibration platform 1 is hinged to the first support leg 71 via the pin, the calibration platform 1 rotates upward around the left pin under the push of the telescopic rod 74, and the right side is lifted, thus forming the required tilt angle for the entire calibration platform 1. By precisely controlling the extension and retraction of the telescopic rod 74, the calibration platform 1 can be raised to different tilt angles, accurately simulating different track superelevation states, providing a stable and reliable physical condition for the superelevation parameter verification or calibration of the track inspection instrument. After verification, retracting the telescopic rod 74 restores the calibration platform 1 to a horizontal state.

[0061] Example 4 This embodiment describes a method for calibrating a track inspection instrument using the aforementioned measuring device comprising a clamping assembly, a locking mechanism, and a support assembly, including four main steps: loading, transferring, locking, and calibration.

[0062] S1: Loading Step: The operator pushes the moving component 3 along the slide 23 to the loading position at the front end of the long beam 22. When the first clamping seat 41 approaches the front end of the slide 23, the protruding end of the transmission plate 451 contacts the protrusion 26 at the front end of the top of the long beam 22, and the protrusion 26 pushes the transmission plate 451 into the cavity 46. The transmission plate 451 drives the push block 452 to move inward, and the push block 452 pushes the movable plates 461 on both sides to move outward synchronously through the third inclined surface 462. The movable plates 461 drive the clamping plate 44 to move outward through the vertical block 442, so that the placement slot 43 is opened. At this time, the operator can place the entire track inspection instrument body on the first clamping seat 41 and the second clamping seat 42, and push the rollers on both sides of the track inspection instrument body into the two placement slots 43 respectively, completing the loading of the track inspection instrument.

[0063] S2: Unlocking and Transfer Steps: After the track inspection instrument is loaded, the operator presses down the movable rod 61, which drives the insert block 62 into the through slot 5. The abutment block 63 at the lower end of the insert block 62 first contacts the upper end of the inner rod 338, thus pushing the inner rod 338, the top plate 347, and the movable column 341 to move down synchronously. At this time, the second spring 342 is compressed. When the second push wheel 344 moves downward away from the inner side of the locking plate 331, the rigid support on the locking plate 331 can be released. When the abutment block 63 continues to move down and contacts the upper end of the extension rod 337, it can push the extension rod 337, the pressure plate 334, and the first mounting rod 335 to move down synchronously. After moving down, the first push wheel 336 contacts the first inclined surface 332 of the locking plate 331, thus pushing the locking plate 331 inward, thereby disengaging the teeth of the locking plate 331 from the locking rack 25, thus completing the unlocking of the moving component 3. After unlocking, the operator can push the track inspection instrument and the moving component 3 along the slide 23 to the predetermined test position.

[0064] S3: Locking and Clamping Steps: After the track inspection instrument reaches the test position, the operator reverses the operation of the movable rod 61 and pulls it upwards. During the pulling process, the movable block 64 first contacts the locking block 52 and pushes it into the mounting groove 51, thus releasing the locking block 52 from locking the abutment block 63. As the lifting continues, the insert block 62 moves upwards and disengages from the through groove 5 and the limiting groove 463. At this time, the first elastic element 465 releases its elastic force, pushing the limiting block 464 to move inwards. The limiting block 464 drives the movable plate 461 and the clamping plate 44 to move inwards synchronously, so that the clamping plate 44 clamps and fixes the roller in the placement groove 43 from both sides. At the same time, the third spring 471 releases its elastic force, driving the transmission plate 451 to move and reset towards the through end. The transmission plate 451 drives the stop block 482 into the limiting groove 463 through the connecting block 481. When the limiting block 464 moves to the inner end of the limiting groove 463, the stop block 482 moves to the outer side of the limiting block 464, forming a mechanical barrier against the limiting block 464 and preventing it from retracting, thus maintaining the stable clamping state of the clamping plate 44 on the roller. At the same time, the first spring 333 pushes the locking plate 331 to slide outward, and the toothed grooves of the locking plate 331 re-engage with the locking rack 25. The second spring 342 pushes the movable column 341 upward. During the movement, the second pusher 344 can re-contact with the second inclined surface 346 of the locking plate 331 and provide rigid support, thus ensuring the stability of the locking plate 331 in the engagement state. At this point, the track inspection instrument is completely fixed under the dual constraints of roller clamping and moving component 3 locking.

[0065] S4: Ultra-high Altitude Verification Procedure: After the track inspection instrument is fully locked, the operator adjusts the extension rod 74 to extend it, causing the first support leg 71 to rotate around the pin, raising the right side of the verification platform 1 to the required tilt angle to simulate the ultra-high state of the track. In this tilted state, because the track inspection instrument is reliably locked by the clamping assembly 4 and the moving assembly 3, it will not slip or overturn. The operator can then verify or calibrate the ultra-high altitude parameters of the track inspection instrument to obtain accurate measurement data.

[0066] After the track inspection instrument has been calibrated, it needs to be removed from the placement slot 43. At this time, the operator can manually push the outward-extending front end of the transmission plate 451 to push the transmission plate 451 back into the cavity 46. The transmission plate 451 drives the push block 452 to move inward, pushing the movable plate 461 to move outward, causing the clamping plate 44 to open and release the rollers. At the same time, the transmission plate 451 drives the stop block 482 to retract into the connecting slot 48, releasing the obstruction of the limiting block 464. Then, repeat the operation of step S2, press down the movable rod 61 to unlock the moving component 3, and the track inspection instrument can be moved to the front unloading position or directly removed from the placement slot 43 to complete the entire calibration process.

[0067] Finally, it should be noted that the above embodiments are merely specific implementations of this application, used to illustrate the technical solutions of this application, and not to limit them. The protection scope of this application is not limited thereto. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments within the scope of the technology disclosed in this application, or make equivalent substitutions for some of the technical features. Such modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be covered within the protection scope of this application.

Claims

1. A gauge inspection device for a track inspection instrument, comprising a calibration table (1), support components (2) disposed on both sides of the top surface of the calibration table (1), and a movable component (3) slidably disposed on the support components (2), characterized in that: The support component (2) includes a long beam (22), which is disposed on both sides of the top surface of the calibration table (1), and a sliding groove (23) is provided on the long beam (22). The moving component (3) includes a first slide (31) and a second slide (32) slidably disposed in the slide groove (23). The first slide (31) and the second slide (32) are provided with a clamping component (4) for positioning the track inspection instrument. The clamping component (4) includes a placement groove (43) for carrying the track inspection instrument rollers and a clamping plate (44) slidably disposed on both sides of the placement groove (43). Locking mechanisms are provided between the first slide (31) and the second slide (32) and the slide groove (23). The locking mechanisms have a locked state and an unlocked state. When in the locked state, the moving component (3) can be locked in position within the slide groove (23). When in the unlocked state, the moving component (3) can slide along the slide groove (23). The moving component (3) is also provided with an unlocking drive component. The unlocking drive component is driven to connect with the locking mechanism and is used to drive the locking mechanism to switch between the locked state and the unlocked state. Mounting seats (21) are provided on the front and rear sides of the bottom of the long beam (22). The mounting seats (21) are also connected to the top surface of the calibration table (1). Receiving cavities (33) are provided in both the first slide (31) and the second slide (32). The locking mechanism includes locking plates (331) that are slidably disposed on both sides inside the receiving cavity (33) along the length direction, and the locking plates (331) also protrude outwards from the outer sides of the first slide (31) and the second slide (32). Side grooves (24) corresponding to the locking plates (331) are provided on both sides of the upper end of the inner wall of the slide groove (23) along the width direction. A locking rack (25) is fixedly disposed in the side groove (24). A toothed groove that matches the locking rack (25) is provided at one end of the locking plate (331) facing the side groove (24). A first spring (333) is provided between the adjacent ends of the two locking plates (331). When the first spring (333) pushes the locking plate (331) to move outwards, the locking plate (331) can be locked at... The teeth engage with the locking rack (25). The two locking plates (331) are provided with a first inclined surface (332) in the shape of a trapezoidal block at their adjacent ends. The first inclined surface (332) gradually slopes outward from top to bottom. The unlocking drive assembly includes a pressure plate (334) that is slidably disposed above the inside of the receiving cavity (33) along the height direction. The bottom sides of the pressure plate (334) are provided with a first mounting rod (335) along the height direction. The lower end of the first mounting rod (335) is provided with a first push wheel (336). The first push wheel (336) is also in contact with the first inclined surface (332). When the pressure plate (334) drives the first mounting rod (335) to move downward, the locking plate (331) can be moved inward by the pressing of the first push wheel (336). A bottom groove (34) is provided in the middle of the bottom of the receiving cavity (33). A movable column (341) is slidably arranged in the middle of the bottom groove (34) along the height direction. The upper end of the movable column (341) protrudes from the top surface of the pressure plate (334). A second spring (342) is also provided between the lower end of the movable column (341) and the bottom surface of the bottom groove (34). A second mounting rod (343) is provided on both sides of the outer wall of the movable column (341) along the length direction. A second push wheel (342) is provided on the outer end of the second mounting rod (343). 44) Each of the two locking plates (331) has an installation block (345) at the adjacent bottom surface, and a second inclined surface (346) is provided on the inner side of the installation block (345). The second inclined surface (346) gradually slopes outward from top to bottom. When the movable column (341) slides upward, the second push wheel (344) can contact the second inclined surface (346). The upper end of the movable column (341) is also provided with a top plate (347), and horizontal plates (348) are provided on the left and right sides of the top plate (347) along the length direction.

2. The gauge inspection device for a track inspection instrument according to claim 1, characterized in that: The clamping assembly (4) includes a first clamping seat (41) and a second clamping seat (42). The first clamping seat (41) is connected to the upper end of the first slide (31), and the second clamping seat (42) is connected to the second slide (32). The placement groove (43) is opened on the first clamping seat (41) and the second clamping seat (42). The clamping plate (44) is concave and is slidably disposed on both sides of the upper end of the placement groove (43) along the length direction. The first clamping seat (41) and the second clamping seat (42) are both provided with cavities (46). The inner wall bottom surface of the cavity (46) is provided with limit grooves (463) along the length direction on both sides. Both sides of the top surface of the first clamping seat (41) and the second clamping seat (42) are provided with elongated vertical grooves (441) along the length direction, and the vertical grooves (441) are also connected to the cavity (46). A vertical block (442) is slidably arranged in the vertical groove (441), and the upper end of the vertical block (442) is connected to the corresponding clamping plate (44). The lower end of the vertical block (442) extends into the cavity (46). Movable plates (461) are slidably arranged on both sides of the cavity (46) along the length direction. The two movable plates (461) are connected to the vertical block (442). When the two movable plates (461) slide inward or outward at the same time, the two clamping plates (44) can be driven to move synchronously through the vertical block (442). The inner ends of the two limiting grooves (463) are slidably provided with limiting blocks (464). The end of the limiting block (464) is connected to the movable plate (461). The outer ends of the limiting grooves (463) are provided with first elastic members (465), and one end of the first elastic member (465) is connected to the corresponding limiting block (464).

3. The gauge inspection device for a track inspection instrument according to claim 2, characterized in that: A through groove (5) is provided between the inner ends of the two limiting grooves (463) and the inner top surface of the receiving cavity (33) along the height direction. The top surface of the pressure plate (334) is fixed with hollow extension rods (337) on both sides along the height direction. The outer sides of the two extension rods (337) are interconnected with the interior. The upper end of the extension rod (337) extends into the lower section of the through groove (5). The outer end of the horizontal plate (348) extends into the hollow structure of the extension rod (337). An inner rod (338) is slidably provided inside the extension rod (337) along the height direction. The lower end of the inner rod (338) is connected to the horizontal plate (348). The upper end of the inner rod (338) extends from the top surface of the extension rod (337) and extends into the upper section of the through groove (5). The inner wall of the through groove (5) is provided with mounting grooves (51) on both the front and rear sides along the width direction. A locking block (52) is slidably provided at one end of the mounting groove (5) near the through groove (5). Both locking blocks (52) are provided with inclined ends that gradually slope inward from top to bottom at one end near the through groove (5), and the inclined ends also extend into the through groove (5). A second elastic element (53) is also provided between the end of the mounting groove (51) away from the through groove (5) and the locking block (52). The upper end of the inner rod (338) passes through the adjacent ends of the two locking blocks (52), and the upper end of the extension rod (337) abuts against the lower ends of the two locking blocks (52).

4. The gauge inspection device for a track inspection instrument according to claim 3, characterized in that: The first clamping seat (41) and the second clamping seat (42) have rectangular movable slots (6) extending through them along the length direction on the left and right sides. Movable rods (61) are slidably arranged in the movable slots (6) along the height direction on the outer surfaces of the first clamping seat (41) and the second clamping seat (42). Long strip-shaped inserts (62) are fixedly arranged on both sides of the lower end of the movable rods (61). The inserts (62) are opposite to the through opening between the through slot (5) and the limiting slot (463). When the movable rods (61) drive the inserts (62) to move downward, the inserts (62) can enter the through slot (5). The insert (62) has a side profile that is wider at the top and narrower at the bottom. A stop block (63) is provided at the lower end of the insert (62), and the top surface area of ​​the stop block (63) is larger than the bottom surface area of ​​the insert (62). A movable block (64) is slidably provided at the upper end of the stop block (63) along the outer side of the insert (62), and the bottom surface area of ​​the movable block (64) is larger than the top surface area of ​​the stop block (63). Guide surfaces (64) are provided on both the front and rear sides of the stop block (63) and the movable block (64). 5) The guide surface (65) of the abutment block (63) gradually tilts inward from top to bottom, and the guide surface (65) of the movable block (64) gradually tilts outward from top to bottom. When the insert block (62) drives the abutment block (63) to move downward, the abutment block (63) can push the locking block (52) into the mounting groove (51). When the insert block (62) continues to drive the abutment block (63) to move downward, the movable block (64) can push the locking block (52) back into the mounting groove (51).

5. The gauge inspection device for a track inspection instrument according to claim 4, characterized in that: The first clamping seat (41) and the second clamping seat (42) each have a corresponding longitudinal groove (47) in the cavity (46), and the longitudinal grooves (47) are arranged along the width direction. A fixing tube (45) is provided between the first slide (31) and the second slide (32). A long strip-shaped transmission plate (451) is slidably arranged in the fixing tube (45), and the front end of the transmission plate (451) extends into the longitudinal groove (47) of the first clamping seat (41), while the rear end of the transmission plate (451) extends into the longitudinal groove (47) of the second clamping seat (42). Push blocks (452) are provided on both the left and right sides of the cavity (46) of the first clamping seat (41) and the second clamping seat (42). The push blocks (452) are arranged along the length direction. The inner end of the push block (452) is connected to the transmission plate (451). The two movable plates (461) are provided with a third inclined surface (462) along the inner side of the end facing the push block (452). The third inclined surface (462) is also opposite to the push block (452). The front end of the transmission plate (451) also protrudes from the front of the first clamping seat (41). The front side of the top of the long beam (22) is also provided with a protrusion (26). The protrusion (26) is arranged opposite to the front end of the transmission plate (451). When the first clamping seat (41) is close to the inner front end of the slide (23), the protrusion (26) can be made to contact the protruding end of the transmission plate (451) first. In the longitudinal groove (47) of the second clamping seat (42), a third spring (471) is also provided between the rear end of the transmission plate (451) and the longitudinal groove (47). When the first clamping seat (41) is away from the inner front end of the slide groove (23), the third spring (471) can drive the transmission plate (451) to reset. When the transmission plate (451) is in the reset state, the push block (452) and the movable plate (461) are spaced apart.

6. The gauge inspection device for a track inspection instrument according to claim 5, characterized in that: Both sides of the cavity (46) of the first clamping seat (41) and the second clamping seat (42) are provided with connecting grooves (48), and the connecting grooves (48) are also connected to the longitudinal groove (47). A connecting block (481) is slidably arranged in the connecting groove (48), and one end of the connecting block (481) is connected to the transmission plate (451). A notch is also provided between the inner end of the connecting groove (48) and the limiting groove (463), and a stop block (482) is slidably arranged in the notch. One end of the stop block (482) is connected to the connecting block (481). When the first clamping seat (41) moves closer to the inner front end of the slide groove (23), the transmission plate (451) can drive the stop block (482) to retract completely into the connecting groove (48). When the first clamping seat (41) moves away from the inner front end of the slide groove (23), the elastic force of the third spring (471) can cause the transmission plate (451) to drive the stop block (482) into the limiting groove (463). When the limiting block (464) moves to the inner side of the limiting groove (463), the stop block (482) can block the limiting block (464).

7. A method for measuring the gauge of a track inspection instrument, applied to the gauge measuring device of a track inspection instrument as described in any one of claims 1-6, characterized in that, Includes the following steps: S1: Move the moving component (3) to the front end of the long beam (22), so that the transmission plate (451) contacts the protrusion (26) and is pushed into the cavity (46), thereby driving the movable plate (461) and the clamping plate (44) to move outward synchronously. This allows the clamping plate (44) to be opened. After opening, the placement slot (43) can be opened. At this time, the entire track instrument body can be placed on the first clamping seat (41) and the second clamping seat (42), and the rollers at the track instrument body can be pushed into the placement slot (43). S2: Press down the movable rod (61) to make the insert (62) enter the through slot (5), and the abutment (63) presses the inner rod (338) and the extension rod (337) in sequence, driving the second push wheel (344) to disengage from the inner side of the locking plate (331). Then the first push wheel (336) pushes the locking plate (331) to move inward and disengage from the locking rack (25), so that the moving component (3) can be unlocked. After unlocking, the track inspection instrument is moved to the predetermined test position. S3: When the track inspection instrument reaches the test position, reverse the operation of the movable rod (61), the movable block (64) pushes the locking block (52) into the mounting groove (51), and the insert block (62) moves up and disengages from the limiting groove (463). The first elastic element (465) drives the movable plate (461) and the limiting block (464) to reset, so that the clamping plate (44) moves inward to clamp the roller. The third spring (471) drives the stop block (482) into the limiting groove (463), which can prevent the limiting block (464) from retracting, thereby maintaining stable clamping. S4: When the track inspection instrument is fully locked, the calibration table (1) is lifted to the required tilt angle by means of the external telescopic actuator to simulate the superelevation state of the track and to perform superelevation parameter verification or calibration on the track inspection instrument.

Images