Track fastener nondestructive testing device

Abstract

The utility model provides a non-destructive testing device for track fasteners, which relates to the technical field of track fastener detection and comprises a right rack, a lower mounting frame and a lifting frame, a left rack is arranged on the left side of the lower mounting frame, a right rack is arranged on the right side of the lower mounting frame, the left rack and the right rack are bilaterally symmetrical about the lower mounting frame, and the lifting frame is arranged on the left side of the lower mounting frame. The left machine frame and the right machine frame are the same in structure, an upper connecting plate is fixed to the upper portion of the inner side face of the right machine frame, a lower connecting plate is fixed to the middle of the inner side face of the right machine frame, a lead screw is arranged between the upper connecting plate and the lower connecting plate in a sleeved mode, and a lifting frame is movably connected to the lead screw. According to the rail fastener detection device, in the process of stably conveying rail fasteners, the surface conditions of the fasteners can be detected through concentrated X rays, the cameras on the two sides are used for collecting image data in real time, follow-up image recognition is facilitated, the height position of the lifting frame can be flexibly lifted and detected, and detection of the rail fasteners is more convenient, accurate and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of track fastener detection, in particular to a non-destructive detection device for track fasteners. Background Art

[0002] As a key component of the track structure, the basic functions of fasteners are to maintain the gauge, prevent rail creep, prevent the increase of the track frame, provide track insulation, ensure the normal operation of the track circuit, and adjust the position of the rail, etc. Vibration of the rail, environmental temperature difference or human factors, etc. will cause the fasteners to fail or the fastener components to be lost, which will change parameters such as the track gauge and smoothness, and increase the probability of dynamic derailment of the train.

[0003] In the specification of a prior art (publication number CN216386790U) of a track fastener detection device, it is mentioned that "a first clamping member, a second clamping member, a lock, a first guide rail, a second guide rail, a first camera, a second camera, a first base and a second base; the first end of the first clamping member is hinged to the first end of the second clamping member, the second end of the first clamping member and the second end of the second clamping member are buckled through the lock, and a clamping hole is adapted to be formed between the first clamping member and the second clamping member; the first guide rail is arranged on the first clamping member, and the second guide rail is arranged on the second clamping member; the first base is arranged on the first guide rail; the second base is arranged on the second guide rail; the first camera is arranged on the first base, and the second camera is arranged on the second base", but in the prior art, the first end of the first clamping member is hinged to the first end of the second clamping member, which cannot stably clamp the track fastener to be detected and will also block the detection camera, making it inconvenient to accurately detect the track fastener. Summary of the Utility Model

[0004] In order to overcome the defects existing in the prior art, a non-destructive detection device for track fasteners is provided to solve the problems that in the prior art, the first end of the first clamping member is hinged to the first end of the second clamping member, which cannot stably clamp the track fastener to be detected, will also block the detection camera, and is not convenient for accurately detecting the track fastener.

[0005] To achieve the above object, a non-destructive detection device for track fasteners is provided, which includes a right frame, a lower mounting frame and a lifting frame. A left frame is arranged on the left side of the lower mounting frame, and a right frame is arranged on the right side of the lower mounting frame. The left frame and the right frame are symmetric about the lower mounting frame, and the structures of the left frame and the right frame are the same. An upper connecting plate is fixed on the upper part of the inner side of the right frame, and a lower connecting plate is fixed in the middle of the inner side of the right frame. A lead screw is sleeved between the upper connecting plate and the lower connecting plate, and a lifting frame is movably connected to the lead screw. Moreover, the upper end of the lead screw is connected to an upper connecting rod.

[0006] Further, a base is provided at the bottom of the right frame, and side fixing blocks are fixed on both the front and rear sides of the lower connecting plate fixed in the middle of the inner side of the right frame. A first telescopic cylinder is sleeved in the side fixing block, and a push plate is fixed at the front end of the first telescopic cylinder.

[0007] Further, first side fixing plates are provided at both the left and right ends of the lower mounting frame. A conveyor belt is arranged between the two groups of first side fixing plates on both sides. Anti-slip strips are arranged on the belt surface of the conveyor belt. A driven roller is installed at the rear part inside the conveyor belt, and a driving roller is installed at the front part inside the conveyor belt.

[0008] Further, a first belt pulley is installed at the left end of the driving roller, and a lower fixing sleeve is fixed at the left part of the lower end surface of the lower mounting frame. A first motor is sleeved in the lower fixing sleeve, and a second belt pulley is installed at the front end of the first motor. A belt is connected in a transmission manner between the second belt pulley and the first belt pulley.

[0009] Further, a chain wheel is installed at the upper end of the upper connecting rod. A chain is connected in a transmission manner to the chain wheel. The upper end of the upper connecting rod is installed under the second motor, and the second motor is located inside the upper fixing sleeve. The upper fixing sleeve is fixed on the upper support plate, and the lower end of the upper support plate is fixed on the right frame.

[0010] Further, a top plate is provided at the top of the lifting frame. An X-ray flaw detector is installed in the middle of the top plate. Second side fixing plates are provided on both the left and right sides of the lifting frame. A ventilation net frame is provided at the lower part of the second side fixing plate. A movable sleeve is provided at the lower end of the ventilation net frame. The movable sleeve is movably connected to the lead screw on the same side. A side fixing frame is fixed inside the ventilation net frame, and a camera is installed at the lower part of the side fixing frame.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. The present utility model uses the first telescopic cylinder to push the push plate through telescopic movement to push the track fasteners conveyed on the conveyor belt to the middle position, which is convenient for alignment irradiation detection, the detection is more convenient and accurate, and it also avoids the track fasteners conveyed on the conveyor belt from moving to both sides, and is more stable and reliable.

[0013] 2. The anti-slip strips are arranged on the belt surface of the conveyor belt of the present utility model to ensure stable conveying, avoid the track fasteners from jamming together, and the conveying is smoother and more stable.

[0014] 3. The lead screw is arranged in the present utility model, which is convenient for driving other lead screws to rotate and move together after the chain wheel at the upper end of the right front group of lead screws rotates when the second motor rotates. When the lead screw rotates clockwise, the lifting frame can be lifted straight up, and when the lead screw rotates counterclockwise, the lifting frame can be driven to move straight down, which is convenient for flexibly adjusting the detection height of the lifting frame.

[0015] 4. In the lifting frame of the present utility model, the cameras on the left and right sides can conveniently align with the track fasteners to collect video information data, and the X-ray flaw detector in the middle of the top plate is used to detect whether there are damages, cracks or defects on the surface of the track fasteners by X-ray, and the detection is faster and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of an embodiment of the present utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the lower mounting frame in an embodiment of the present utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the lead screw in an embodiment of the present utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the lifting frame in an embodiment of the present utility model.

[0020] In the figure: 1, left frame; 20, upper connecting plate; 21, lower connecting plate; 22, side fixing block; 23, first telescopic cylinder; 24, push plate; 25, base; 2, right frame; 3, lower mounting frame; 30, first side fixing plate; 31, conveyor belt; 32, anti-slip strip; 33, driving roller; 34, first pulley; 35, belt; 36, second pulley; 37, lower fixing sleeve; 38, first motor; 4, lead screw; 40, upper connecting rod; 41, chain; 42, sprocket; 43, second motor; 44, upper fixing sleeve; 45, upper support plate; 5, lifting frame; 50, top plate; 51, X-ray flaw detector; 52, second side fixing plate; 53, ventilation net frame; 54, side fixing frame; 55, camera; 56, movable sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, but not all of the embodiments. However, those skilled in the art should understand that the present utility model can also be realized in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present disclosure.

[0022] The following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings.

[0023] Figure 1 is a front view schematic diagram of an embodiment of the utility model, Figure 2 is a schematic diagram of the lower mounting frame structure of the utility model embodiment, Figure 3 is a schematic diagram of the structure of the screw rod of the utility model embodiment and Figure 4 This is a schematic diagram of the lifting frame structure of an embodiment of the utility model.

[0024] Reference Figures 1 to 4 As shown, the utility model provides a nondestructive testing device for rail fasteners, including a right frame 2, a lower mounting frame 3 and a lifting frame 5. A left frame 1 is arranged on the left side of the lower mounting frame 3, and a right frame 2 is arranged on the right side of the lower mounting frame 3. The left frame 1 and the right frame 2 are symmetrical about the lower mounting frame 3, and the left frame 1 and the right frame 2 have the same structural arrangement. An upper connecting plate 20 is fixed to the upper part of the inner side surface of the right frame 2, and a lower connecting plate 21 is fixed to the middle part of the inner side surface of the right frame 2. A screw rod 4 is sleeved between the upper connecting plate 20 and the lower connecting plate 21, and the lifting frame 5 is movably connected to the screw rod 4, and the upper end of the screw rod 4 is connected to an upper connecting rod 40.

[0025] In this embodiment, a base 25 is provided at the bottom of the right frame 2, and side fixing blocks 22 are fixed to the front and rear sides of the lower connecting plate 21 fixed to the middle of the inner side of the right frame 2. A first telescopic cylinder 23 is sleeved in the side fixing block 22, and a push plate 24 is fixed to the front end of the first telescopic cylinder 23.

[0026] As a preferred embodiment, the utility model uses the first telescopic cylinder 23 to push the push plate 24 to push the rail fasteners transported on the conveyor belt 31 to the middle position, which is convenient for alignment and irradiation detection. The detection is more convenient and accurate, and the rail fasteners transported on the conveyor belt 31 are prevented from moving to both sides, which is more stable and reliable.

[0027] In this embodiment, first side fixing plates 30 are provided at both left and right ends of the lower mounting frame 3, a conveyor belt 31 is provided between the two groups of first side fixing plates 30 on both sides, and the belt surface of the conveyor belt 31 is provided with anti-slip strips 32, a driven roller is installed at the rear of the conveyor belt 31, and an active roller 33 is installed at the front of the conveyor belt 31; a first pulley 34 is installed at the left end of the active roller 33, and a lower fixing sleeve 37 is fixed to the left part of the lower end surface of the lower mounting frame 3, a first motor 38 is sleeved in the lower fixing sleeve 37, and a second pulley 36 is installed at the front end of the first motor 38, and a belt 35 is connected between the second pulley 36 and the first pulley 34.

[0028] As a preferred embodiment, the anti-slip strip 32 is provided on the belt surface of the conveyor belt 31 of the utility model to ensure stable conveying and avoid the track fasteners from being blocked together, making the conveying smoother and more stable.

[0029] In this embodiment, a chain wheel 42 is installed at the upper end of the upper connecting rod 40. The upper end of the upper connecting rod 40 is installed under the second motor 43, and the second motor 43 is located within the upper fixed sleeve 44. The upper fixed sleeve 44 is fixed to the upper support plate 45, and the lower end of the upper support plate 45 is fixed to the right frame 2.

[0030] As a preferred embodiment, in the present utility model, the arrangement of the lead screw 4 facilitates driving other lead screws 4 to rotate together after the chain wheel 42 at the upper end of the front right group of lead screws 4 rotates when the second motor 43 rotates. When the lead screw 4 rotates clockwise, it can drive the lifting frame 5 to move straight up, and when the lead screw 4 rotates counterclockwise, it can drive the lifting frame 5 to move straight down, facilitating the flexible adjustment of the detection height of the lifting frame 5.

[0031] In this embodiment, a top plate 50 is provided at the top of the lifting frame 5. An X-ray flaw detector 51 is installed in the middle of the top plate 50. Second side fixing plates 52 are provided on both the left and right sides of the lifting frame 5. A ventilation net frame 53 is provided at the lower part of the second side fixing plate 52. A movable sleeve 56 is provided at the lower end of the ventilation net frame 53. The movable sleeve 56 is movably connected to the lead screw 4 on the same side. And a side fixing frame 54 is fixed inside the ventilation net frame 53. A camera 55 is installed at the lower part of the side fixing frame 54.

[0032] As a preferred embodiment, in the present utility model, the cameras 55 on both the left and right sides inside the lifting frame 5 can conveniently align with the track fasteners to collect video information data. The X-ray flaw detector 51 in the middle of the top plate 50 is used to detect whether there are damages, cracks or defects on the surface of the track fasteners by X-rays, and the detection is faster and more convenient.

[0033] The present utility model can effectively solve the problem in the prior art that the first end of the first clamping member is hinged to the first end of the second clamping member, which cannot stably clamp the track fastener to be detected, and will also block the detection camera, and it is not convenient to accurately detect the track fastener. The present utility model facilitates centralized X-ray detection of the surface condition of the fasteners during the stable transportation of the track fasteners on the side, and uses the cameras on both sides to collect real-time image data, facilitating subsequent image recognition. Moreover, the height position of the detection lifting frame can be flexibly lifted and lowered, making the detection of the track fasteners more convenient, accurate and reliable.

[0034] The above embodiments are used to explain the present utility model, rather than limiting the utility model. Any modifications and changes made to the present utility model within the spirit of the present utility model and the scope of the claimed rights should be included in the protection scope of the present utility model.

Claims

1. A non-destructive testing device for rail fasteners, characterized in that: The invention comprises a right frame (2), a lower mounting frame (3) and a lifting frame (5), wherein a left frame (1) is arranged on the left side of the lower mounting frame (3), and a right frame (2) is arranged on the right side of the lower mounting frame (3), the left frame (1) and the right frame (2) are symmetrical with respect to the lower mounting frame (3), and the left frame (1) and the right frame (2) have the same structural arrangement, an upper connecting plate (20) is fixed to the upper part of the inner side surface of the right frame (2), and a lower connecting plate (21) is fixed to the middle part of the inner side surface of the right frame (2), a screw rod (4) is sleeved between the upper connecting plate (20) and the lower connecting plate (21), the lifting frame (5) is movably connected to the screw rod (4), and the upper end of the screw rod (4) is connected to an upper connecting rod (40).

2. A rail fastener nondestructive testing device according to claim 1, characterized in that: A base (25) is provided at the bottom of the right frame (2), and side fixing blocks (22) are fixed to the front and rear sides of a lower connecting plate (21) fixed to the middle of the inner side of the right frame (2), a first telescopic cylinder (23) is sleeved in the side fixing block (22), and a push plate (24) is fixed to the front end of the first telescopic cylinder (23).

3. A rail fastener nondestructive testing device according to claim 1, characterized in that: The left and right ends of the lower mounting frame (3) are both provided with first side fixing plates (30), a conveyor belt (31) is provided between the two sets of first side fixing plates (30) on both sides, and the belt surface of the conveyor belt (31) is provided with an anti-slip strip (32), a driven roller is installed at the rear of the conveyor belt (31), and a driving roller (33) is installed at the front of the conveyor belt (31).

4. A rail fastener nondestructive testing device according to claim 3, characterized in that: A first pulley (34) is mounted on the left end of the active roller (33), and a lower fixed sleeve (37) is fixed to the left portion of the lower end surface of the lower mounting frame (3), a first motor (38) is sleeved in the lower fixed sleeve (37), and a second pulley (36) is mounted on the front end of the first motor (38), and a belt (35) is connected between the second pulley (36) and the first pulley (34) for transmission.

5. A rail fastener nondestructive testing device according to claim 1, characterized in that: A sprocket wheel (42) is mounted on the upper end of the upper connecting rod (40), and a chain (41) is transmission-connected to the sprocket wheel (42). The upper end of the upper connecting rod (40) is mounted below the second motor (43), and the second motor (43) is located in an upper fixing sleeve (44). The upper fixing sleeve (44) is fixed on an upper supporting plate (45), and the lower end of the upper supporting plate (45) is fixed on the right frame (2).

6. A rail fastener nondestructive testing device according to claim 1, characterized in that: A top plate (50) is provided on the top of the lifting frame (5), an X-ray flaw detector (51) is installed in the middle of the top plate (50), and second side fixing plates (52) are provided on both the left and right sides of the lifting frame (5), a ventilation mesh frame (53) is provided at the lower part of the second side fixing plate (52), a movable sleeve (56) is provided at the lower end of the ventilation mesh frame (53), the movable sleeve (56) is movably connected to the screw rod (4) on the same side, and a side fixing frame (54) is fixed on the inner side of the ventilation mesh frame (53), and a camera (55) is installed at the lower part of the side fixing frame (54).

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