Nondestructive testing device for steel wire rope

Abstract

The utility model relates to the technical field of steel wire rope nondestructive testing, in particular to a steel wire rope nondestructive testing device which comprises a positioning U-shaped frame and a movable U-shaped frame, the left side and the right side of the interior of the positioning U-shaped frame are each provided with two walking assemblies in a sliding mode, and each walking assembly comprises a U-shaped installation frame and a walking wheel rotationally arranged in the U-shaped installation frame; a connecting plate is arranged between the two U-shaped mounting frames which are located on the different sides but located at the same height, the end, away from the positioning U-shaped frame, of the connecting plate is connected with a semicircular clamping barrel, and a plurality of brush strips are arranged on the side wall of the inner circumference of the semicircular clamping barrel. According to the utility model, the uncleaned and unstraightened side of the steel wire rope and the cleaned and straightened side of the steel wire rope are detected, so that the steel wire rope in different surface states is detected at a plurality of positions, and the detection accuracy is improved through comparison detection of the plurality of positions while the detection frequency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nondestructive testing of steel wire ropes, in particular to a nondestructive testing device for steel wire ropes. Background Art

[0002] Wire rope is the main flexible component necessary for equipment bearing. It is widely used in various fields of the national economy. The huge amount of use makes the performance and quality of wire rope related to the safety of a large number of equipment and personnel. However, defects such as wire rope fatigue, wire breakage, wear and tear, and rust have become major problems affecting the performance or quality of wire ropes. Therefore, it is necessary to regularly conduct inspections and evaluations of in-service wire ropes to avoid accidents. The electromagnetic method is currently the more mainstream wire rope defect detection method. It mainly uses the excitation component to magnetize the wire rope to be tested. When discontinuous parts appear in the wire rope, leakage magnetic field will be generated, so the magnetic sensor can be used to collect the leakage magnetic field signal to achieve the characterization and evaluation of the defects.

[0003] Since wire ropes are widely used in many fields and in many equipment, there are many wire ropes with different diameters or specifications, and there may be debris adhering to or existing on the surface of the wire ropes during use. However, existing non-destructive testing devices for wire ropes can often only test wire ropes of one diameter or the same specification, and lack corresponding surface cleaning structures and local stretching structures for wire ropes during the testing process, resulting in debris adhering to the surface of the wire ropes affecting the detection results of the electromagnetic method, and easily causing local bending of the wire ropes, affecting the targeted detection of the electromagnetic detection unit, and the presence of debris will also cause certain obstacles to the movement of the entire detection device along the wire rope, thereby affecting the smoothness of the detection process.

[0004] Therefore, it is necessary to invent a nondestructive testing device for steel wire rope to solve the above problems. Utility Model Content

[0005] In order to solve the shortcomings of the prior art, the purpose of the utility model is to provide a non-destructive testing device for wire ropes, which solves the problem that the non-destructive testing device for wire ropes in the prior art can often only detect wire ropes of one diameter or the same specification, and lacks a corresponding surface cleaning structure and a local stretching structure of the wire rope during the detection process, resulting in debris adhering to the surface of the wire rope affecting the detection results of the electromagnetic method, and easily causing local bending of the wire rope to affect the targeted detection of the electromagnetic method detection unit, and the presence of debris will also cause certain obstacles to the movement of the entire detection device along the wire rope, thereby affecting the smoothness of the detection process.

[0006] In order to achieve the above objectives, the utility model adopts the following technical solutions:

[0007] The U-shaped frame is provided with a U-shaped frame which is rotatably mounted on the left and right sides of the U-shaped frame, and two walking assemblies with opposite sliding directions are provided at the left and right sides of the U-shaped frame for synchronous longitudinal sliding. The two walking assemblies on different sides but at the same height move longitudinally synchronously. The walking assembly includes a U-shaped mounting frame and a walking wheel which is rotatably mounted in the U-shaped mounting frame and can walk along the surface of the wire rope. A connecting plate is provided between the two U-shaped mounting frames on different sides but at the same height, and a semicircular clamping cylinder is connected to the end of the connecting plate away from the positioning U-shaped frame through a plurality of longitudinally retractable telescopic structures. A plurality of brush strips which can abut against the surface of the wire rope are provided on the inner peripheral side wall of the semicircular clamping cylinder. A first detection unit which can detect the wire rope at the inlet or outlet is installed at the same position on both sides of the positioning U-shaped frame and the movable U-shaped frame. A second detection unit which can detect the wire rope is installed at the part between the walking assembly and the semicircular clamping cylinder inside the positioning U-shaped frame and the movable U-shaped frame.

[0008] As a preferred solution of the utility model, the walking assembly also includes a U-shaped frame and two telescopic parts installed at both ends of the U-shaped frame. The U-shaped frame can be detachably installed on the inner side of the positioning U-shaped frame, and the end of the telescopic part away from the U-shaped frame is detachably connected to the U-shaped mounting frame.

[0009] As a preferred solution of the utility model, an installation groove is opened in the vertical part of the U-shaped frame, and vertical rails are installed on both vertical sides of the installation groove. A synchronous moving component is longitudinally slidingly arranged between the positions of the vertical rails adapted to each walking wheel, and a driving member is detachably installed on the top of the synchronous moving component through a mounting seat, and the driving member can drive the walking wheel to rotate.

[0010] As a preferred solution of the utility model, the synchronous moving assembly includes a base plate and two slide seats installed at both ends of the base plate;

[0011] When the telescopic member is longitudinally extended and retracted to change the position of the traveling wheel, the slide seat synchronously slides longitudinally along the vertical rail.

[0012] As a preferred solution of the utility model, a rotating shaft is rotatably arranged in the U-shaped mounting frame, the walking wheel is detachably sleeved on the rotating shaft, and the output end of the driving member is detachably connected to one end of the rotating shaft.

[0013] As a preferred solution of the utility model, the telescopic structure includes a telescopic frame and a spring sleeved on the telescopic frame, and a plurality of the telescopic frames are located between the connecting plate and the semicircular clamping cylinder.

[0014] As a preferred solution of the utility model, side holders are installed at equivalent positions on both sides of the positioning U-shaped frame and the movable U-shaped frame, and the first detection unit is detachably installed at one end of the side holder close to the walking wheel.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] In the utility model, the movable U-shaped frame is rotated to open one side of the positioning U-shaped frame, so that the whole device is conveniently clamped on the wire rope. After the wire rope is clamped in the device, the two walking components on the same side are driven to move synchronously, that is, the two walking components on the same side are synchronously moved close to each other until the walking wheels are in contact with the surface of the wire rope, thereby completing the clamping of wire ropes of different diameters or specifications on both sides of the positioning U-shaped frame. Subsequently, by driving the walking wheels to rotate, the device can be driven by multiple walking wheels to walk along the wire rope and perform detection, which can effectively perform online walking detection of the in-service wire rope. In the process of the walking wheels synchronously moving close to each other until the walking wheels are in contact with the surface of the wire rope, the connecting plate slides synchronously with the U-shaped mounting frame in the direction of approaching the wire rope, and with the assistance of the telescopic structure , so that the semicircular clamp can complete the clamping of the wire rope without clamping the wire rope, so that the wire rope is partially straightened by the two semicircular clamps, and the surface of the wire rope is cleaned by the brush strips on the inner side walls of the semicircular clamps to avoid the influence of debris on the error of the detection result, and the first detection unit of the electromagnetic method is respectively arranged on both sides of the positioning U-shaped frame and the movable U-shaped frame, that is, the wire rope is detected at the entrance and exit ends, and the second detection unit is arranged between the walking wheel and the semicircular clamp, so as to detect the uncleaned and unstraightened side of the wire rope and the cleaned and straightened side of the wire rope, so as to detect the wire rope in different surface conditions at multiple positions, thereby increasing the number of detections and improving the accuracy of detection through comparative detection at multiple positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the positioning U-shaped frame and the movable U-shaped frame of the utility model when they are enclosed;

[0018] Figure 2 This is a schematic diagram of the overall structure of the utility model when the positioning U-shaped frame and the movable U-shaped frame are separated;

[0019] Figure 3 For this utility model Figure 1 A schematic diagram of the planar side view structure in FIG.

[0020] Figure 4 For this utility model Figure 2 A schematic diagram of the plan view structure;

[0021] Figure 5It is a schematic diagram of the overall structure of the walking assembly of the utility model.

[0022] Description of reference numerals:

[0023] 1. Positioning U-shaped frame; 2. Movable U-shaped frame; 3. Side clamp; 4. First detection unit; 5. U-shaped vertical frame; 6. Telescopic member; 7. Travel wheel; 8. Rotating shaft; 9. Driving member; 10. Mounting groove; 11. Vertical rail; 12. Sliding seat; 13. Bottom plate; 14. Mounting seat; 15. Connecting plate; 16. Telescopic frame; 17. Spring; 18. Semicircular clamp; 19. Brush strip; 20. Second detection unit; 21. U-shaped mounting frame. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0025] The utility model provides Figure 1-5 The nondestructive testing device for a steel wire rope shown in the figure comprises a positioning U-shaped frame 1 that can travel along the steel wire rope and a movable U-shaped frame 2 that is rotatably arranged with the positioning U-shaped frame 1. Two walking components with opposite sliding directions are longitudinally and synchronously arranged at the left and right sides of the positioning U-shaped frame 1. The two walking components on different sides but at the same height move longitudinally synchronously. The walking components comprise a U-shaped mounting frame 21 and a walking wheel 7 that is rotatably arranged in the U-shaped mounting frame 21 and can travel along the surface of the steel wire rope in contact. A connecting plate 15 is arranged between the two U-shaped mounting frames 21 on different sides but at the same height, and the end of the connecting plate 15 away from the positioning U-shaped frame 1 is connected to a semicircular clamp 18 through a plurality of longitudinally retractable telescopic structures. A plurality of brush strips 19 that can abut against the surface of the wire rope are arranged on the inner side wall of the semicircular clamp 18. A first detection unit 4 that can detect the wire rope at the inlet or outlet is installed at the same position on both sides of the positioning U-shaped frame 1 and the movable U-shaped frame 2. The interior of the positioning U-shaped frame 1 and the interior of the movable U-shaped frame 2 between the walking component and the semicircular clamp 18 are installed with a second detection unit 20 that can detect the wire rope. The first detection unit 4 and the second detection unit 20 can be divided into a magnetic memory planning part and a weak magnetic detection part. The magnetic memory planning part can plan and process the magnetic field inside the wire rope, so as to facilitate the later weak magnetic detection part to determine whether the wire rope is damaged according to the change of the magnetic field.

[0026] The walking assembly also includes a U-shaped frame 5 and two telescopic parts 6 installed at the two ends of the U-shaped frame 5. The U-shaped frame 5 can be detachably installed on the inner side of the positioning U-shaped frame 1. The end of the telescopic part 6 away from the U-shaped frame 5 is detachably connected to the U-shaped mounting frame 21. The telescopic part 6 can change the position of the U-shaped mounting frame 21 in the U-shaped frame 5, so that the two walking wheels 7 on the same side can slide synchronously toward the direction close to the wire rope, so that the two walking wheels 7 can synchronously contact the surface of the wire rope to clamp the wire rope in the device.

[0027] An installation groove 10 is opened in the vertical part of the U-shaped frame 5, and vertical rails 11 are installed on both vertical sides of the installation groove 10. A synchronous moving component is longitudinally slidably arranged between the positions of the vertical rails 11 adapted to each traveling wheel 7. A driving member 9 is detachably installed on the top of the synchronous moving component through a mounting seat 14. The driving member 9 can drive the traveling wheel 7 to rotate, and the driving member 9 drives the traveling wheel 7 to rotate, thereby providing driving force for the traveling wheel 7 to travel along the surface of the wire rope, thereby performing online detection of the in-service wire rope.

[0028] The synchronous moving assembly includes a base plate 13 and two slide seats 12 mounted at both ends of the base plate 13;

[0029] When the telescopic member 6 is longitudinally extended and retracted to change the position of the running wheel 7 , the slide seat 12 synchronously slides longitudinally along the vertical rail 11 , and the bottom plate 13 can provide a lifting force for the driving member 9 and the running wheel 7 to move longitudinally synchronously.

[0030] A rotating shaft 8 is rotatably arranged inside the U-shaped mounting frame 21, and the traveling wheel 7 is detachably mounted on the rotating shaft 8, and the output end of the driving member 9 is detachably connected to one end of the rotating shaft 8. The driving member 9 drives the rotating shaft 8 to rotate inside the U-shaped mounting frame 21, thereby driving the traveling wheel 7 to rotate inside the U-shaped mounting frame 21.

[0031] The telescopic structure includes a telescopic frame 16 and a spring 17 mounted on the telescopic frame 16, and multiple telescopic frames 16 are located between the connecting plate 15 and the semicircular clamp 18. The telescopic frame 16 actively retracts so that the semicircular clamp 18 can clamp the wire rope without clamping the wire rope.

[0032] Side clamping seats 3 are installed at the same positions on both sides of the positioning U-shaped frame 1 and the movable U-shaped frame 2, and the first detection unit 4 is detachably installed at one end of the side clamping seat 3 close to the walking wheel 7.

[0033] In the present invention, the movable U-shaped frame 2 is rotated to open one side of the positioning U-shaped frame 1, so that the entire device is conveniently clamped on the wire rope. After the wire rope is clamped in the device, the two walking components on the same side are driven to move synchronously, that is, the two walking components on the same side are synchronously moved close to each other until the walking wheels 7 are in contact with the surface of the wire rope, thereby completing the clamping of wire ropes of different diameters or specifications on both sides of the positioning U-shaped frame 1. Subsequently, by driving the walking wheels 7 to rotate, the device can be driven by multiple walking wheels 7 to move along the wire rope and perform detection, which can effectively perform online walking detection on the in-service wire rope. In the process of the walking wheels 7 synchronously moving close to each other until the walking wheels 7 are in contact with the surface of the wire rope, the connecting plate 15 slides synchronously with the U-shaped mounting frame 21 in the direction close to the wire rope, and with the assistance of the telescopic structure, the connecting plate 15 can be effectively clamped in the direction close to the wire rope. The semicircular clamp 18 completes the clamping of the wire rope under the premise of avoiding the clamping process of the wire rope, so that the wire rope is partially straightened by the two semicircular clamps 18, and the surface of the wire rope is cleaned by the brush strip 19 on the inner side wall of the semicircular clamp 18 to avoid the influence of debris on the error of the detection result, and the first detection unit 4 of the electromagnetic method is respectively arranged on both sides of the positioning U-shaped frame 1 and the movable U-shaped frame 2, that is, the wire rope is detected at the inlet end and the outlet end, and the second detection unit 20 is arranged between the walking wheel 7 and the semicircular clamp 18, so as to detect the uncleaned and unstraightened side of the wire rope and the cleaned and straightened side of the wire rope, so that the wire rope with different surface conditions is detected at multiple positions, and the detection number is increased while improving the detection accuracy through comparative detection of multiple positions.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A nondestructive testing device for a steel wire rope, characterized in that: The invention comprises a positioning U-shaped frame (1) capable of traveling along a steel wire rope and a movable U-shaped frame (2) rotatably arranged with the positioning U-shaped frame (1), wherein two traveling components with opposite sliding directions are longitudinally and synchronously arranged at left and right sides of the positioning U-shaped frame (1), and the two traveling components located at different sides but at the same height move longitudinally synchronously, and the traveling components comprise a U-shaped mounting frame (21) and a traveling wheel (7) rotatably arranged in the U-shaped mounting frame (21) and capable of traveling along the surface of the steel wire rope in contact with each other, and a connecting plate (15) is arranged between the two U-shaped mounting frames (21) located at different sides but at the same height, and the ... One end of the connecting plate (15) away from the positioning U-shaped frame (1) is connected to a semicircular clamp (18) via a plurality of longitudinally retractable telescopic structures, and the inner peripheral side wall of the semicircular clamp (18) is provided with a plurality of brush strips (19) that can abut against the surface of the wire rope. The first detection unit (4) capable of detecting the wire rope at the inlet end or the outlet end is installed at the same position on both sides of the positioning U-shaped frame (1) and the movable U-shaped frame (2), and the interior of the positioning U-shaped frame (1) and the interior of the movable U-shaped frame (2) between the walking component and the semicircular clamp (18) are installed with a second detection unit (20) capable of detecting the wire rope.

2. A nondestructive testing device for steel wire rope according to claim 1, characterized in that: The walking assembly further comprises a U-shaped frame (5) and two telescopic members (6) mounted at two ends of the U-shaped frame (5); the U-shaped frame (5) is detachably mounted on the inner side of the positioning U-shaped frame (1); and one end of the telescopic member (6) away from the U-shaped frame (5) is detachably connected to the U-shaped mounting frame (21).

3. A nondestructive testing device for steel wire rope according to claim 2, characterized in that: A mounting groove (10) is provided in the vertical portion of the U-shaped frame (5), and vertical rails (11) are installed on both vertical sides of the mounting groove (10). A synchronous moving component is longitudinally slidably arranged between the positions of the vertical rails (11) adapted to each running wheel (7), and a driving member (9) is detachably mounted on the top of the synchronous moving component via a mounting seat (14), and the driving member (9) can drive the running wheel (7) to rotate.

4. A nondestructive testing device for steel wire rope according to claim 3, characterized in that: The synchronous moving assembly comprises a base plate (13) and two slide seats (12) mounted at two ends of the base plate (13); When the telescopic member (6) is longitudinally telescoped to change the position of the running wheel (7), the slide seat (12) synchronously slides longitudinally along the vertical rail (11).

5. A nondestructive testing device for steel wire rope according to claim 3, characterized in that: A rotating shaft (8) is rotatably arranged inside the U-shaped mounting frame (21), the walking wheel (7) is detachably sleeved on the rotating shaft (8), and the output end of the driving member (9) is detachably connected to one end of the rotating shaft (8).

6. A nondestructive testing device for steel wire rope according to claim 1, characterized in that: The telescopic structure comprises a telescopic frame (16) and a spring (17) sleeved on the telescopic frame (16), and a plurality of the telescopic frames (16) are located between the connecting plate (15) and the semicircular clamping cylinder (18).

7. The nondestructive testing device for steel wire rope according to claim 1, characterized in that: Side clamping seats (3) are installed at equivalent positions on both sides of the positioning U-shaped frame (1) and the movable U-shaped frame (2), and the first detection unit (4) is detachably installed on one end of the side clamping seat (3) close to the walking wheel (7).

Images