Sleeper detection device based on ultrasonic flaw detection

Abstract

The sleeper detection device comprises a roller conveyor, a fixing frame and a fixing box, second hydraulic cylinders are fixedly installed at the middle ends of the two sides of the roller conveyor, supporting seats are fixedly installed at the output ends of the second hydraulic cylinders, a guide plate is fixedly connected to the top of an inner cavity of the fixing frame, and the guide plate is fixedly connected to the top of the inner cavity of the fixing frame. And a second motor is fixedly mounted on the left side of the outer surface of the fixed box, and a screw rod is fixedly mounted at the output end of the second motor. Through the arrangement of the roller conveyor, a sleeper needing flaw detection can be conveniently conveyed, through the arrangement of a second hydraulic cylinder, a supporting seat and an ultrasonic flaw detection head, ultrasonic flaw detection operation can be conveniently conducted on the sleeper, and meanwhile through the arrangement of a second motor, a screw rod, a movable plate, a vertical rod, a fixed cylinder, a second spring and the ultrasonic flaw detection head, the ultrasonic flaw detection operation can be conveniently conducted on the sleeper. Flaw detection can be conveniently carried out on different positions of the sleeper, and the comprehensiveness of flaw detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail sleeper detection, in particular to a rail sleeper detection device based on ultrasonic flaw detection. Background Art

[0002] Concrete sleepers are concrete products used as railway sleepers. They are made of cement, sand, stone, water and admixtures mixed in a certain proportion and injected into a modular mold equipped with steel wires or steel bars and sleeper accessories. Concrete sleeper products are made by vibration molding or loaded vibration molding, steam curing, loosening steel wires or steel bars, cutting sleeper ends, etc. When testing the quality of concrete sleepers, ultrasonic flaw detection is required.

[0003] For example, the Chinese utility model provides "an ultrasonic flaw detection device that is easy to adjust", announcement number: CN216350519U, which includes a test table, the upper surface of which is fixedly connected to two fixed grooves, the two fixed grooves are internally slidably connected to support rods, the top ends of the two support rods are fixedly connected to a connecting box, the middle of the connecting box is fixedly connected to an installation box, and the installation box is internally slidably connected to a fixed column. The utility model drives the rotation of the screw rod by a swivel ring, and when the screw rod rotates, the screw rod drives the sliding of the push rod through the action of the thread inside the screw sleeve, and the push rod pushes the sliding of the convex rod, which drives the sliding of the clamping plate, so that the clamping plate is clamped on the surface of the fixed column, and at the same time the convex rod drives the stretching of spring No. 1, thereby achieving fixed clamping of the ultrasonic flaw detection head, facilitating the adjustment of the detection height of the ultrasonic flaw detection head and the replacement of different flaw detection heads.

[0004] Although the ultrasonic flaw detection equipment in the above technology can perform ultrasonic flaw detection on sleepers, since the position of the ultrasonic flaw detection head is fixed, it can only perform flaw detection operations on the same horizontal surface of the sleeper, and is affected by the shape of the sleeper, resulting in the ultrasonic flaw detection head being unable to fully fit the surface of the sleeper, seriously affecting the quality of the sleeper flaw detection operation and failing to meet the use needs of personnel. Utility Model Content

[0005] The utility model aims to provide a sleeper detection device based on ultrasonic flaw detection, which has the advantages of facilitating effective ultrasonic flaw detection operations on different positions of the sleeper and ensuring the quality of the flaw detection operations.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rail sleeper detection device based on ultrasonic flaw detection, comprising a roller conveyor, a fixed frame and a fixed box, the middle ends of both sides of the roller conveyor are fixedly installed with a second hydraulic cylinder, the output end of the second hydraulic cylinder is fixedly installed with a support seat, the top of the inner cavity of the fixed frame is fixedly connected with a guide plate, the left side of the outer surface of the fixed box is fixedly installed with a second motor, the output end of the second motor is fixedly installed with a screw, the right side of the screw is movably connected to the right side of the inner cavity of the fixed box through a bearing, the left end of the screw is threadedly connected with a moving plate, the surface of the moving plate and the left end of the bottom of the guide plate are movably connected with a vertical rod, the upper end of the vertical rod is fixedly connected with a fixed plate, the bottom of the fixed plate and the top of the moving plate are fixedly connected with a first spring, the lower end of the vertical rod is movably connected with a fixed cylinder, the bottom of the inner cavity of the fixed cylinder and the bottom of the vertical rod are fixedly connected with a second spring, and the bottom of the outer surface of the fixed cylinder is fixedly installed with an ultrasonic flaw detection head.

[0007] As a preferred solution, a sliding rod is movably connected to the surface of the movable plate and located behind the screw rod. Both sides of the sliding rod are fixedly connected to the inner cavity of the fixed box. Both ends of the fixed plate are movably connected to a limiting rod, and the bottom of the limiting rod is fixedly connected to the top of the movable plate.

[0008] As a preferred solution, upper ends of both sides of the fixing frame are fixedly connected with fixing plates, and the surfaces of the fixing plates are fixedly connected to the back side of the fixing box.

[0009] As a preferred solution, the bottom of the fixed frame is fixedly connected to a bottom plate, and the bottom of the roller conveyor is fixedly installed at the middle end of the top of the bottom plate.

[0010] As a preferred solution, a collection box is placed at the bottom of the inner cavity of the roller conveyor, and a handle is fixedly connected to the right side of the collection box.

[0011] As a preferred embodiment, the upper end of the front surface of the fixed frame is fixedly connected to a fixed shaft, the middle end of the fixed shaft is movably connected to a rotating frame via a bearing, and a first hydraulic cylinder is movably connected between the middle end of the rotating frame and the upper end of the front surface of the fixed frame via a bearing.

[0012] As a preferred solution, a first motor is fixedly mounted on the right side of the rotating frame, a cleaning roller brush is fixedly mounted on the output end of the first motor, and the left side of the cleaning roller brush is movably connected to the surface of the rotating frame through a bearing.

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

[0014] 1. The utility model facilitates the transportation of sleepers that need to be inspected by the arrangement of a roller conveyor, facilitates the ultrasonic inspection of sleepers by the arrangement of a second hydraulic cylinder, a support seat and an ultrasonic inspection head, and facilitates the inspection of different positions of sleepers by the arrangement of a second motor, a screw rod, a movable plate, a vertical rod, a fixed cylinder, a second spring and an ultrasonic inspection head, thereby improving the comprehensiveness of the inspection. At the same time, with the cooperation of the vertical rod, the guide plate, the fixed plate, the first spring, the second spring, the fixed cylinder and the ultrasonic inspection head, the bottom of the ultrasonic inspection head can be fully fitted with the recessed area of ​​the sleeper, thereby facilitating the full inspection of the recessed area of ​​the sleeper and further ensuring the quality of the inspection operation.

[0015] 2. The utility model achieves the purpose of guiding the movable plate and the fixed plate by setting the sliding rod and the limiting rod, and avoids the movable plate and the fixed plate from tilting during the movement. The purpose of supporting and fixing the fixed box is achieved by setting the fixed plate. The purpose of supporting the roller conveyor and the fixed frame is achieved by setting the bottom plate. The purpose of collecting dust and impurities falling from the surface of the sleeper transported by the roller conveyor is conveniently collected by setting the collecting box, so as to facilitate subsequent cleaning by personnel. The purpose of supporting the rotating frame is achieved by setting the fixed shaft. The rotating frame can be pushed to rotate along the bearing on the fixed shaft under the action of the extension of the first hydraulic cylinder, the rotating frame, the first motor and the cleaning roller brush. The rotating frame rotates and drives the cleaning roller brush to rotate until the surface of the cleaning roller brush can contact the top of the sleeper transported by the top of the roller conveyor. The cleaning roller brush can be driven to rotate under the action of the first motor, and the dust and impurities on the top of the sleeper can be effectively cleaned, thereby ensuring the fitting effect between the subsequent ultrasonic flaw detection head and the sleeper and improving the quality of the flaw detection operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the cleaning roller brush structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the partial structure of the fixing frame of the utility model when viewed from above;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixed box of the utility model from top view;

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the fixing cylinder of the utility model.

[0021] In the figure: 1. roller conveyor; 2. collecting box; 3. cleaning roller brush; 4. first hydraulic cylinder; 5. fixed shaft; 6. ultrasonic flaw detection head; 7. fixed frame; 8. bottom plate; 9. rotating frame; 10. first motor; 11. vertical pole; 12. guide plate; 13. fixed plate; 14. movable plate; 15. fixed box; 16. second motor; 17. sliding rod; 18. screw rod; 19. fixed cylinder; 20. fixed plate; 21. first spring; 22. limit rod; 23. second spring; 24. second hydraulic cylinder; 25. support seat. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Embodiment 1:

[0025] See also Figure 1 , Figure 3-Figure 5 As shown, the utility model provides a sleeper detection device based on ultrasonic flaw detection, including a roller conveyor 1, a fixed frame 7 and a fixed box 15, the middle ends of both sides of the roller conveyor 1 are fixedly installed with a second hydraulic cylinder 24, the output end of the second hydraulic cylinder 24 is fixedly installed with a support seat 25, the top of the inner cavity of the fixed frame 7 is fixedly connected with a guide plate 12, the left side of the outer surface of the fixed box 15 is fixedly installed with a second motor 16, the output end of the second motor 16 is fixedly installed with a screw 18, and the right side of the screw 18 is movably connected to the fixed box 15 through a bearing. On the right side of the inner cavity, the left end of the screw rod 18 is threadedly connected to the movable plate 14, and the vertical rod 11 is movably connected between the surface of the movable plate 14 and the left end of the bottom of the guide plate 12, the upper end of the vertical rod 11 is fixedly connected to the fixed disk 20, and the bottom of the fixed disk 20 and the top of the movable plate 14 are fixedly connected with a first spring 21, the lower end of the vertical rod 11 is movably connected to the fixed cylinder 19, and the second spring 23 is fixedly connected between the bottom of the inner cavity of the fixed cylinder 19 and the bottom of the vertical rod 11, and the bottom of the outer surface of the fixed cylinder 19 is fixedly installed with an ultrasonic flaw detection head 6.

[0026] In the present technical scheme, the arrangement of the roller conveyor 1 facilitates the transportation of the sleepers to be inspected, and the arrangement of the second hydraulic cylinder 24, the support seat 25 and the ultrasonic flaw detection head 6 facilitates the ultrasonic flaw detection operation on the sleepers. At the same time, the arrangement of the second motor 16, the screw 18, the movable plate 14, the vertical pole 11, the fixed cylinder 19, the second spring 23 and the ultrasonic flaw detection head 6 facilitates the flaw detection of different positions of the sleeper, thereby improving the comprehensiveness of the flaw detection. At the same time, under the cooperation between the vertical pole 11, the guide plate 12, the fixed plate 20, the first spring 21, the second spring 23, the fixed cylinder 19 and the ultrasonic flaw detection head 6, the bottom of the ultrasonic flaw detection head 6 can be fully fitted with the recessed area of ​​the sleeper, thereby facilitating sufficient flaw detection of the recessed area of ​​the sleeper, further ensuring the quality of the flaw detection operation.

[0027] Embodiment 2:

[0028] On the basis of embodiment 1, the utility model is as follows Figure 1-Figure 5 As shown, the surface of the movable plate 14 is movably connected to the slide bar 17 behind the screw rod 18, and both sides of the slide bar 17 are fixedly connected to the inner cavity of the fixed box 15. Both ends of the fixed plate 20 are movably connected to the limit rod 22, and the bottom of the limit rod 22 is fixedly connected to the top of the movable plate 14. The upper ends of both sides of the fixed frame 7 are fixedly connected to the fixed plate 13, the surface of the fixed plate 13 is fixedly connected to the back of the fixed box 15, and the bottom of the fixed frame 7 is fixedly connected to the bottom plate 8. The bottom of the roller conveyor 1 is fixedly installed in the middle of the top of the bottom plate 8. At the end, a collecting box 2 is placed at the bottom of the inner cavity of the roller conveyor 1, a handle is fixedly connected to the right side of the collecting box 2, a fixed shaft 5 is fixedly connected to the upper end of the front surface of the fixed frame 7, the middle end of the fixed shaft 5 is movably connected to a rotating frame 9 through a bearing, a first hydraulic cylinder 4 is movably connected between the middle end of the rotating frame 9 and the upper end of the front surface of the fixed frame 7 through a bearing, a first motor 10 is fixedly installed on the right side of the rotating frame 9, a cleaning roller brush 3 is fixedly installed on the output end of the first motor 10, and the left side of the cleaning roller brush 3 is movably connected to the surface of the rotating frame 9 through a bearing.

[0029] In the present technical solution, the purpose of guiding the movable plate 14 and the fixed plate 20 is achieved by setting the slide bar 17 and the limit rod 22, and the movable plate 14 and the fixed plate 20 are prevented from tilting during the movement. The purpose of supporting and fixing the fixed box 15 is achieved by setting the fixed plate 13. The purpose of supporting the roller conveyor 1 and the fixed frame 7 is achieved by setting the bottom plate 8. The purpose of collecting dust and impurities falling from the surface of the rail sleeper transported by the roller conveyor 1 is conveniently collected by setting the collecting box 2, so as to facilitate subsequent cleaning by personnel. The purpose of supporting the rotating frame 9 is achieved by setting the fixed shaft 5. For the purpose of supporting, through the arrangement of the first hydraulic cylinder 4, the rotating frame 9, the first motor 10 and the cleaning roller brush 3, the rotating frame 9 can be pushed to rotate along the bearing on the fixed shaft 5 under the action of the extension of the first hydraulic cylinder 4, and the rotating frame 9 rotates to drive the cleaning roller brush 3 to rotate until the surface of the cleaning roller brush 3 can contact the top of the sleeper transported by the top of the roller conveyor 1. Under the action of the first motor 10, the cleaning roller brush 3 can be driven to rotate, and the dust and impurities on the top of the sleeper can be effectively cleaned, thereby ensuring the fitting effect between the subsequent ultrasonic flaw detection head 6 and the sleeper and improving the quality of the flaw detection operation.

[0030] The working principle of the utility model is as follows: through the setting of the roller conveyor 1, it is convenient to convey the sleepers required for flaw detection, and when the sleepers are conveyed to the bottom of the ultrasonic flaw detection head 6, the second hydraulic cylinder 24 is controlled to extend to push the support seat 25 to move upward, so that the support seat 25 can drive the sleeper to move upward under the action of movement, until the top of the sleeper can fit with the bottom of the ultrasonic flaw detection head 6, so as to facilitate the ultrasonic flaw detection operation on the sleeper, and at the same time, the second motor 16 is started to drive the screw 18 to rotate, and the rotation of the screw 18 can drive the moving plate 14 to move to the right, and the movement of the moving plate 14 can drive the upright poles 11, The fixed cylinder 19, the second spring 23 and the ultrasonic flaw detection head 6 move to the right, so as to facilitate the flaw detection of different positions of the sleeper, improve the comprehensiveness of the flaw detection, and when the vertical rod 11 moves, it can contact the curved surface of the guide plate 12 and move downward along the curved surface of the guide plate 12. The movement of the vertical rod 11 can drive the fixed plate 20 to compress the first spring 21, and can push the second spring 23, the fixed cylinder 19 and the ultrasonic flaw detection head 6 to move downward, so that the bottom of the ultrasonic flaw detection head 6 can fully fit with the recessed area of ​​the sleeper, thereby facilitating sufficient flaw detection of the recessed area of ​​the sleeper, further ensuring the quality of the flaw detection operation.

[0031] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0032] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A sleeper detection device based on ultrasonic flaw detection, comprising a roller conveyor (1), a fixing frame (7) and a fixing box (15), characterized in that: A second hydraulic cylinder (24) is fixedly installed at the middle end of both sides of the roller conveyor (1), a support seat (25) is fixedly installed at the output end of the second hydraulic cylinder (24), a guide plate (12) is fixedly connected to the top of the inner cavity of the fixed frame (7), a second motor (16) is fixedly installed on the left side of the outer surface of the fixed box (15), a screw rod (18) is fixedly installed at the output end of the second motor (16), the right side of the screw rod (18) is movably connected to the right side of the inner cavity of the fixed box (15) through a bearing, and the left end of the screw rod (18) is threadedly connected to the movable plate (14) A vertical rod (11) is movably connected between the surface of the movable plate (14) and the left end of the bottom of the guide plate (12); a fixed plate (20) is fixedly connected to the upper end of the vertical rod (11); a first spring (21) is fixedly connected between the bottom of the fixed plate (20) and the top of the movable plate (14); a fixed cylinder (19) is movably connected to the lower end of the vertical rod (11); a second spring (23) is fixedly connected between the bottom of the inner cavity of the fixed cylinder (19) and the bottom of the vertical rod (11); and an ultrasonic flaw detection head (6) is fixedly installed at the bottom of the outer surface of the fixed cylinder (19).

2. A sleeper detection device based on ultrasonic flaw detection according to claim 1, characterized in that: A sliding rod (17) is movably connected to the surface of the movable plate (14) and located behind the screw rod (18), and both sides of the sliding rod (17) are fixedly connected to the inner cavity of the fixed box (15). Both ends of the fixed plate (20) are movably connected to a limiting rod (22), and the bottom of the limiting rod (22) is fixedly connected to the top of the movable plate (14).

3. A sleeper detection device based on ultrasonic flaw detection according to claim 1, characterized in that: The upper ends of both sides of the fixing frame (7) are fixedly connected with fixing plates (13), and the surface of the fixing plate (13) is fixedly connected to the back side of the fixing box (15).

4. A sleeper detection device based on ultrasonic flaw detection according to claim 1, characterized in that: The bottom of the fixed frame (7) is fixedly connected to a bottom plate (8), and the bottom of the roller conveyor (1) is fixedly installed at the middle end of the top of the bottom plate (8).

5. The sleeper detection device based on ultrasonic flaw detection according to claim 1 is characterized in that: A collection box (2) is placed at the bottom of the inner cavity of the roller conveyor (1), and a handle is fixedly connected to the right side of the collection box (2).

6. The sleeper detection device based on ultrasonic flaw detection according to claim 1 is characterized in that: The upper end of the front surface of the fixed frame (7) is fixedly connected to a fixed shaft (5), the middle end of the fixed shaft (5) is movably connected to a rotating frame (9) via a bearing, and a first hydraulic cylinder (4) is movably connected between the middle end of the rotating frame (9) and the upper end of the front surface of the fixed frame (7) via a bearing.

7. A sleeper detection device based on ultrasonic flaw detection according to claim 6, characterized in that: A first motor (10) is fixedly mounted on the right side of the rotating frame (9), a cleaning roller brush (3) is fixedly mounted on the output end of the first motor (10), and the left side of the cleaning roller brush (3) is movably connected to the surface of the rotating frame (9) via a bearing.

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