A wire rope flaw detection device for heavy lifting equipment

Abstract

The present application belongs to the technical field of nondestructive testing equipment, and particularly relates to a steel wire rope nondestructive testing equipment for heavy lifting equipment, which comprises a steel wire rope nondestructive testing instrument main body, a data line and a handheld display terminal, and the lower half of the side wall of the steel wire rope nondestructive testing instrument main body is fixedly connected with a steel wire rope infrared temperature measurement sensor. The steel wire rope nondestructive testing equipment for heavy lifting equipment has the functions of automatic marking, automatic cleaning and drying of steel wire rope defects, reduces the labor intensity of detection workers, shortens the nondestructive testing preparation period, and effectively improves the convenience and efficiency of steel wire rope nondestructive testing. In addition, the equipment has the function of steel wire rope surface temperature regulation, improves the environmental interference resistance of the equipment, improves the accuracy of steel wire rope nondestructive testing, reduces the probability of steel wire rope fracture accidents, and ensures the safety of heavy lifting equipment in super-high all-steel structure tower construction.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of nondestructive testing equipment, and particularly relates to a steel wire rope nondestructive testing equipment for heavy hoisting equipment. BACKGROUND

[0002] The super-high all-steel structure tower refers to a tower building whose main structure is entirely constructed of steel. During the construction process, heavy hoisting equipment is needed to hoist the materials required by the tower to a high place for installation. During the hoisting operation, the steel wire rope needs to be repeatedly wound and unwound and continuously bear the pulling of the weight of the steel member, which is extremely prone to broken wire defects. If the number of broken wires in one lay of the steel wire rope exceeds the specified standard, the load-bearing capacity of the steel wire rope will be greatly reduced, which may cause hoisting safety accidents. Therefore, it is necessary to regularly carry out nondestructive testing and detection of the steel wire rope. For example, the patent with the authorization number CN210834761U discloses a steel wire rope nondestructive testing instrument.

[0003] At present, before the steel wire rope nondestructive testing equipment for heavy hoisting equipment is used, the staff needs to manually remove the oil stains, dust, rust and other impurities attached to the surface. Otherwise, these attached materials will form a "signal barrier layer" between the sensor and the steel wire rope, affecting the detection accuracy. However, the steel wire rope of the heavy hoisting equipment is usually long and widely laid. Manual cleaning is not only cumbersome and labor-intensive, but also significantly increases the labor intensity of the staff, prolongs the preparation period of the nondestructive testing, and seriously reduces the convenience and overall detection efficiency of the nondestructive testing.

[0004] In addition, the current steel wire rope nondestructive testing equipment also has poor outdoor environmental interference resistance when it is used for nondestructive testing of the steel wire rope of the heavy hoisting equipment. For example, in the high-temperature environment in summer, the surface temperature of the steel wire rope is too high (more than 40 degrees Celsius). The high temperature will change the electromagnetic properties of the steel wire rope (such as the decrease of the magnetic permeability), causing the magnetic field strength and distribution of the nondestructive testing equipment to be abnormal, making the amplitude and phase of the defect signals such as broken wires and wear deviate, and making it difficult to accurately judge the defect type and severity. At the same time, the high temperature will weaken the sensitivity of the sensor (such as the Hall element and the ultrasonic probe) of the nondestructive testing instrument, which may cause data drift and detection accuracy to decrease.

[0005] Under the condition that the surface grooves of the steel wire rope are not completely dry, the accumulated water in the surface grooves of the steel wire rope will fill the small defects (such as shallow wear grooves and fine cracks) on the surface of the steel wire rope, cover the true form of the defects, and cause the nondestructive testing equipment to be unable to effectively identify, resulting in missed detection. In addition, the accumulated water will hinder the signal transmission, weaken or distort the magnetic leakage field signals generated by the defects, affect the accuracy of the detection results of the steel wire rope nondestructive testing equipment, and even increase the probability of the fracture of the steel wire rope, affecting the safety of the construction of the super-high all-steel structure tower by the heavy hoisting equipment.

[0006] To this end, we propose a steel wire flaw detection equipment for heavy lifting equipment to solve the above problems. SUMMARY

[0007] The purpose of the present application is to solve the above problems, provide a steel wire flaw detection equipment for heavy lifting equipment.

[0008] To achieve the above purpose, the present application adopts the following technical scheme: a steel wire flaw detection equipment for heavy lifting equipment, comprising a steel wire non-destructive testing instrument main body, a data line and a handheld display terminal, the lower half of the side wall of the steel wire non-destructive testing instrument main body is fixedly connected with a steel wire infrared temperature measurement sensor, the same side of the upper half and the lower half of the outer wall of the steel wire non-destructive testing instrument main body is fixedly connected with an arc-shaped top plate and an arc-shaped bottom plate, and the outer walls of the upper half and the lower half of the steel wire non-destructive testing instrument main body are fixedly connected with a closing mechanism.

[0009] The inner walls of the arc-shaped top plate and the arc-shaped bottom plate are fixedly connected with a steel wire cleaning mechanism through bolts.

[0010] The lower surface of the steel wire non-destructive testing instrument main body is fixedly connected with an outer shell, the inner wall of the bottom end of the outer shell is fixedly connected with two heat insulation plates, and the top end of the heat insulation plate is fixedly connected with the lower surface of the steel wire non-destructive testing instrument main body.

[0011] The two heat insulation plates divide the internal cavity of the outer shell into a liquid storage area, an air inlet area and a temperature control area.

[0012] The inner wall of the outer shell in the air inlet area is fixedly connected with a gas supply mechanism, the inner wall of the outer shell in the temperature control area is fixedly connected with a temperature adjusting mechanism, and the side wall of the outer shell is fixedly connected with a defect marking mechanism.

[0013] In the above-mentioned steel wire flaw detection equipment for heavy lifting equipment, the closing mechanism comprises a limiting ring fixedly connected with the outer wall of the upper half of the steel wire non-destructive testing instrument main body, the inner wall of the limiting ring is movably connected with a special-shaped plug rod, one end of the special-shaped plug rod is fixedly connected with a stop block, the other end of the special-shaped plug rod is movably sleeved with a plug ring, the outer wall of the plug ring is fixedly connected with the outer wall of the lower half of the steel wire non-destructive testing instrument main body, the rod wall of the special-shaped plug rod is movably sleeved with a return spring, and the two ends of the return spring are respectively fixedly connected with the outer wall of the stop block and the limiting ring.

[0014] In the above-mentioned steel wire flaw detection equipment for heavy lifting equipment, the steel wire cleaning mechanism comprises a semicircular block, and the inner wall of the semicircular block is fixedly connected with two arc-shaped steel wire brushes for cleaning the surface of the steel wire.

[0015] In the steel wire rope flaw detection equipment for heavy lifting equipment, the gas supply mechanism includes a micro air pump fixedly connected with the inner wall of the shell, an air inlet hole for the micro air pump to inhale air is formed in the outer wall of the shell in the air inlet area, and the hole wall of the air inlet hole is fixedly connected with a filter screen plate, the outlet end of the micro air pump is fixedly communicated with a three-way pipe, the two outlet ends of the three-way pipe are fixedly communicated with a first air pipe and a second air pipe respectively, the outlet end of the first air pipe passes through one of the heat insulation plates and is communicated with the temperature control area, the outlet end of the second air pipe is fixedly communicated with a normally closed electromagnetic valve, and the outlet end of the normally closed electromagnetic valve passes through the other heat insulation plate and is fixedly communicated with the top of the liquid storage area.

[0016] In the steel wire rope flaw detection equipment for heavy lifting equipment, the temperature adjusting mechanism includes an electric heating pipe fixedly embedded in the side end of the shell, a plurality of metal thin mesh sheets are fixedly sleeved on the pipe wall of the electric heating pipe, an installation hole is formed in the lower surface of the shell in the temperature control area, and the hole wall of the installation hole is fixedly connected with a metal frame, the upper surface of the metal frame is fixedly connected with the lower surfaces of the plurality of metal thin mesh sheets, the inner wall of the metal frame is fixedly connected with two semiconductor refrigerating sheets, the side wall of the shell in the temperature control area is fixedly communicated with a Y-shaped air guide pipe, the two outlet ends of the Y-shaped air guide pipe pass through the inner wall of the bottom end of the arc-shaped bottom plate and are fixedly communicated with arc-shaped hollow blocks respectively, the bottom end of the arc-shaped hollow block is fixedly connected with the inner wall of the arc-shaped bottom plate, and the outer wall of the arc-shaped hollow block is provided with a plurality of inclined air injection holes.

[0017] In the steel wire rope flaw detection equipment for heavy lifting equipment, the defect marking mechanism includes a liquid guide pipe fixedly embedded in the side wall of the shell close to the liquid storage area, a nozzle is fixedly connected with the top end of the liquid guide pipe, the outer wall of the nozzle is fixedly connected with the lower half of the side wall of the steel wire rope nondestructive testing instrument body, the bottom end of the liquid guide pipe passes through the inner wall of the shell and is communicated with the bottom cavity of the liquid storage area, the inside of the liquid storage area is filled with a color marking liquid layer, and a liquid supplementing hole is formed in the top end of the side wall of the shell in the liquid storage area, and the hole wall of the liquid supplementing hole is threadedly connected with a sealing plug.

[0018] In the steel wire rope flaw detection equipment for heavy lifting equipment, the rear side walls of the arc-shaped top plate and the arc-shaped bottom plate are fixedly connected with a rubber connecting strip, the front side wall of the arc-shaped top plate is fixedly connected with a strip-shaped magic needle hair sticker, the front side wall of the arc-shaped bottom plate is fixedly connected with a strip-shaped magic cotton hair sticker matched with the strip-shaped magic needle hair sticker, and the inner walls of the arc-shaped top plate and the arc-shaped bottom plate are fixedly connected with arc-shaped rubber blocks.

[0019] In the steel wire rope flaw detection equipment for heavy lifting equipment, the heat dissipation side outer walls of the two semiconductor refrigerating sheets are fixedly connected with a plurality of heat conduction strips, and the outer walls of the plurality of heat conduction strips are fixedly connected with a heat dissipation fan.

[0020] In the above-mentioned wire rope flaw detection device for heavy lifting equipment, a PLC controller is fixedly connected to the inner wall of the air inlet area of ​​the housing. The input terminal of the PLC controller is electrically connected to a connecting harness. The connecting end of the connecting harness passes through the outer wall of the housing. The connecting end of the connecting harness and the connecting end of the wire rope non-destructive testing instrument body are both electrically connected to a data line. The top end of the data line is electrically connected to the connecting end of the handheld display terminal.

[0021] Compared with existing technologies, the advantages of a wire rope flaw detection device for heavy lifting equipment are:

[0022] 1. Through the established closing mechanism, air supply mechanism, Y-shaped air duct, and inclined jet nozzle, when the wire rope of heavy hoisting equipment used in the construction of ultra-high all-steel structure towers needs to undergo non-destructive testing, the wire rope first passes through the main body of the wire rope non-destructive testing instrument on one side and is positioned by the closing mechanism. Then, as the wire rope passes through the instrument, the instrument performs non-destructive testing. If defects are found, they are displayed on a handheld terminal. Simultaneously, an arc-shaped wire brush removes impurities adhering to the wire rope surface. Furthermore, the air supply mechanism blows air onto the surface of the wire rope. When air is discharged through the gap between the arc-shaped rubber block and the wire rope, it not only blows away impurities or water temporarily stored in the grooves on the surface of the wire rope, but also carries away impurities brushed up by the arc-shaped wire brush, ensuring the surface of the wire rope is clean and preventing the formation of a "signal blocking layer" on the surface of the wire rope that would interfere with non-destructive testing. Moreover, the entire wire rope cleaning process is completed automatically during the non-destructive testing of the wire rope. This mechanism enables the non-destructive testing equipment for heavy lifting equipment to have the function of automatic cleaning and drying of the wire rope, which not only reduces the labor intensity of the testing personnel, but also shortens the preparation cycle for non-destructive testing, effectively improving the convenience and efficiency of non-destructive testing of wire ropes.

[0023] 2、By setting the temperature control mechanism and steel wire rope infrared temperature sensor, the steel wire rope of heavy lifting equipment enters the steel wire rope nondestructive testing instrument main body for nondestructive testing, the steel wire rope infrared temperature sensor measures the temperature of the surface of the steel wire rope, and the temperature is converted into an electrical signal and sent to the PLC controller, if the temperature detected by the steel wire rope infrared temperature sensor is lower than the low temperature threshold preset by the PLC controller, the temperature control mechanism raises the temperature of the air in the temperature control area, and forms hot air, which can not only improve the molecular movement of the impurities attached to the surface of the steel wire rope, thereby achieving the purpose of "softening" the impurities, and improving the cleaning effect of the impurities on the surface of the steel wire rope in low temperature environment, but also can raise the temperature of the steel wire rope to a suitable detection temperature range, which can avoid the abnormal fluctuation of the magnetic permeability of the steel wire rope caused by low temperature, and prevent the interference of ice or condensed water remaining on the surface of the steel wire rope in low temperature on detection, so that the steel wire rope nondestructive testing instrument main body can capture defect signals more accurately, and improve the reliability of the detection result, if the temperature detected by the steel wire rope infrared temperature sensor exceeds the high temperature threshold preset by the PLC controller, the temperature control mechanism lowers the temperature of the air in the temperature control area, and forms low temperature air, which can lower the temperature of the steel wire rope, avoid the change of the electromagnetic characteristics of the steel wire rope caused by high temperature, and ensure that the magnetic field strength and distribution of the detection equipment will not be abnormal, the mechanism makes the equipment have the function of temperature regulation of the surface of the steel wire rope, improves the environmental interference resistance of the equipment, and further improves the accuracy of the nondestructive testing of the steel wire rope of the heavy lifting equipment, reduces the probability of fracture of the steel wire rope of the heavy lifting equipment, and ensures the safety of the heavy lifting equipment in super high full steel structure tower construction.

[0024] 3、By setting the defect marking mechanism, when the staff finds that the steel wire rope has defects through the handheld display terminal, the staff sends instructions to the PLC controller in time through the handheld display terminal, the PLC controller controls the normally closed electromagnetic valve to be energized and conductive for 3 seconds in time, during the 3 seconds, part of the air in the three-way pipe enters the liquid storage area through the second air pipe and the normally closed electromagnetic valve which is energized and conductive, and the air pressure at the top of the liquid storage area is increased, the high air pressure squeezes the color marking liquid in the color marking liquid layer in the liquid storage area into the liquid guide pipe, and finally the color marking liquid is sprayed to the surface of the steel wire rope through the nozzle, and during the subsequent maintenance of the steel wire rope, the maintenance personnel can quickly locate and find the defect position of the steel wire rope according to the color marking liquid, and there is no need for the staff to mark the defects by bundling the markers with the ribbon, the mechanism makes the equipment have the function of automatic marking of the defects of the steel wire rope, and can effectively improve the convenience and efficiency of the nondestructive testing of the steel wire rope by the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic view of a steel wire rope detection device for heavy lifting equipment provided by the present application;

[0026] Figure 2 is Figure 1Structure schematic diagram of partial section view;

[0027] Figure 3 is Figure 2 Structure schematic diagram of steel wire rope cleaning mechanism part;

[0028] Figure 4 is Figure 2 Structure schematic diagram of shell part;

[0029] Figure 5 Structure schematic diagram of arc hollow block side view in steel wire rope flaw detection equipment for heavy lifting equipment provided by the application;

[0030] Figure 6 Structure schematic diagram of arc top plate and arc bottom part in steel wire rope flaw detection equipment for heavy lifting equipment provided by the application;

[0031] Figure 7 is Figure 6 Structure schematic diagram of A-A section view;

[0032] Figure 8 Structure schematic diagram of steel wire rope cleaning mechanism in steel wire rope flaw detection equipment for heavy lifting equipment provided by the application.

[0033] In the figure: 1 steel wire rope nondestructive flaw detector main body, 2 data line, 3 handheld display terminal, 4 steel wire rope infrared temperature measurement sensor, 5 closing mechanism, 51 limit ring, 52 stop block, 53 insertion ring, 54 return spring, 55 special-shaped insertion rod, 6 steel wire rope cleaning mechanism, 61 semicircular block, 62 arc steel wire brush, 7 gas supply mechanism, 71 micro air pump, 72 filter screen plate, 73 tee pipe, 74 first gas pipe, 75 second gas pipe, 76 normally closed electromagnetic valve, 8 temperature adjusting mechanism, 81 electric heating pipe, 82 metal mesh sheet, 83 metal frame, 84 semiconductor refrigeration sheet, 85 Y-shaped air guide pipe, 86 arc hollow block, 87 inclined air injection hole, 9 defect marking mechanism, 91 liquid guide pipe, 92 nozzle, 93 color marking liquid layer, 94 sealing plug, 10 arc top plate, 11 arc bottom plate, 12 heat insulation plate, 13 liquid storage area, 14 air inlet area, 15 temperature control area, 16 shell, 17 rubber connecting strip, 18 strip-shaped magic needle hair paste, 19 strip-shaped magic cotton hair paste, 20 arc rubber block, 21 heat conduction strip, 22 heat dissipation fan, 23 PLC controller, 24 connection wire harness. DETAILED DESCRIPTION

[0034] 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. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] like Figures 1-8 As shown, a wire rope flaw detection device for heavy lifting equipment includes a wire rope non-destructive testing instrument body 1, a data cable 2, and a handheld display terminal 3. A wire rope infrared temperature sensor 4 is fixedly connected to the lower half of the side wall of the wire rope non-destructive testing instrument body 1. An arc-shaped top plate 10 and an arc-shaped bottom plate 11 are fixedly connected to the outer walls of the upper and lower halves of the wire rope non-destructive testing instrument body 1, respectively. A rubber connecting strip 17 is fixedly connected to the rear side wall of the arc-shaped top plate 10 and the arc-shaped bottom plate 11. A strip-shaped magic needle patch 18 is fixedly connected to the front side wall of the arc-shaped top plate 10. A strip-shaped magic cotton patch 19 that cooperates with the strip-shaped magic needle patch 18 is fixedly connected to the front side wall of the arc-shaped bottom plate 11. Arc-shaped rubber blocks 20 are fixedly connected to the inner walls of the arc-shaped top plate 10 and the arc-shaped bottom plate 11.

[0036] The upper and lower halves of the main body 1 of the wire rope non-destructive testing instrument are jointly and fixedly connected to a closing mechanism 5. The closing mechanism 5 includes a limiting ring 51 fixedly connected to the upper half of the outer wall of the main body 1 of the wire rope non-destructive testing instrument. A special-shaped insert rod 55 is movably connected to the inner wall of the limiting ring 51. A stop block 52 is fixedly connected to one end of the special-shaped insert rod 55. An insert ring 53 is movably sleeved at the other end of the special-shaped insert rod 55. The outer wall of the insert ring 53 is fixedly connected to the lower half of the outer wall of the main body 1 of the wire rope non-destructive testing instrument. A return spring 54 is movably sleeved on the rod wall of the special-shaped insert rod 55. The two ends of the return spring 54 are fixedly connected to the stop block 52 and the outer wall of the limiting ring 51, respectively. This mechanism can improve the stability of the equipment.

[0037] The inner walls of the arc-shaped top plate 10 and the arc-shaped bottom plate 11 are both fixedly connected with a wire rope cleaning mechanism 6 by bolts. The wire rope cleaning mechanism 6 includes a semi-circular block 61. The inner wall of the semi-circular block 61 is fixedly connected with two arc-shaped wire brushes 62 for cleaning the surface of the wire rope. This mechanism can automatically clean the wire rope.

[0038] The lower surface of the main body 1 of the wire rope non-destructive testing instrument is fixedly connected to the outer shell 16. Two heat insulation plates 12 are fixedly connected to the inner wall of the bottom end of the outer shell 16. The top of the heat insulation plate 12 is fixedly connected to the lower surface of the main body 1 of the wire rope non-destructive testing instrument.

[0039] A temperature regulating mechanism 8 is fixedly connected to the inner wall of the outer casing 16 in the temperature control zone 15. The temperature regulating mechanism 8 includes an electric heating tube 81 fixedly embedded in the side of the outer casing 16. Multiple metal mesh sheets 82 are fixedly sleeved on the wall of the electric heating tube 81. A mounting hole is opened on the lower surface of the outer casing 16 in the temperature control zone 15, and a metal frame 83 is fixedly connected to the wall of the mounting hole. The upper surface of the metal frame 83 is fixedly connected to the lower surface of the multiple metal mesh sheets 82, and the inner wall of the metal frame 83 is fixedly connected to... There are two semiconductor cooling chips 84. The outer shell 16 is located on the side wall of the temperature control zone 15 and is fixedly connected to a Y-shaped air guide pipe 85. The two air outlets of the Y-shaped air guide pipe 85 pass through the bottom inner wall of the arc-shaped base plate 11 and are fixedly connected to an arc-shaped hollow block 86. The bottom end of the arc-shaped hollow block 86 is fixedly connected to the inner wall of the arc-shaped base plate 11. The outer wall of the arc-shaped hollow block 86 is provided with multiple inclined air jet holes 87. This mechanism can regulate the surface temperature of the wire rope and ensure the accuracy of the flaw detection results.

[0040] Two heat insulation plates 12 divide the internal cavity of the outer shell 16 into a liquid storage area 13, an air inlet area 14, and a temperature control area 15. An air supply mechanism 7 is fixedly connected to the inner wall of the outer shell 16 in the air inlet area 14. The air supply mechanism 7 includes a miniature air pump 71 fixedly connected to the inner wall of the outer shell 16. An air inlet hole for the miniature air pump 71 is opened on the outer wall of the outer shell 16 in the air inlet area 14, and a filter screen 72 is fixedly connected to the wall of the air inlet hole. The outlet end of the miniature air pump 71 is fixedly connected to three... The two outlets of the three-way pipe 73 are fixedly connected to the first air pipe 74 and the second air pipe 75, respectively. The outlet of the first air pipe 74 passes through one of the heat insulation plates 12 and is connected to the temperature control zone 15. The outlet of the second air pipe 75 is fixedly connected to the normally closed solenoid valve 76. The outlet of the normally closed solenoid valve 76 passes through the other heat insulation plate 12 and is fixedly connected to the top of the liquid storage zone 13. This mechanism can automatically clean the wire rope and also assist in the control of the surface temperature of the wire rope.

[0041] A defect marking mechanism 9 is fixedly connected to the side wall of the outer casing 16. The defect marking mechanism 9 includes a liquid guide tube 91 fixedly embedded in the side wall of the outer casing 16 near the liquid storage area 13. A nozzle 92 is fixedly connected to the top end of the liquid guide tube 91. The outer wall of the nozzle 92 is fixedly connected to the lower half of the side wall of the wire rope non-destructive testing instrument body 1. The bottom end of the liquid guide tube 91 passes through the inner wall of the outer casing 16 and communicates with the bottom cavity of the liquid storage area 13. The interior of the liquid storage area 13 is filled with a color marking liquid layer 93. A liquid replenishment hole is opened at the top of the side wall of the outer casing 16 in the liquid storage area 13, and a sealing plug 94 is threadedly connected to the hole wall of the liquid replenishment hole. This mechanism enables the equipment to have the function of automatic marking of wire rope defects.

[0042] Multiple heat-conducting strips 21 are fixedly connected to the outer walls of the heat dissipation side of the two thermoelectric coolers 84. A cooling fan 22 is fixedly connected to the outer walls of the multiple heat-conducting strips 21. The cooling fan 22 blows air and works with the heat-conducting strips 21 to accelerate the heat dissipation of the heat dissipation side of the thermoelectric cooler 84 and improve the cooling effect of the thermoelectric cooler 84.

[0043] A PLC controller 23 is fixedly connected to the inner wall of the air intake area 14 of the outer casing 16. The input terminal of the PLC controller 23 is electrically connected to a connecting harness 24. The connecting end of the connecting harness 24 passes through the outer wall of the outer casing 16. The connecting end of the connecting harness 24 and the connecting end of the main body 1 of the wire rope non-destructive testing instrument are both electrically connected to the data line 2. The top end of the data line 2 is electrically connected to the connecting end of the handheld display terminal 3. The wire rope infrared temperature sensor 4 is electrically connected to the input terminal of the PLC controller 23 through a wire. The miniature air pump 71, normally closed solenoid valve 76, electric heating tube 81, semiconductor cooling chip 84 and cooling fan 22 are all electrically connected to the output terminal of the PLC controller 23 through wires. The above electrical connections and power-conducting components are all existing technologies and will not be described in detail here.

[0044] The operating principle of this invention is described as follows: When the wire rope of the heavy hoisting equipment used in the construction of ultra-high all-steel structure towers needs to undergo non-destructive testing, firstly, one side of the wire rope of the heavy hoisting equipment passes through the main body 1 of the wire rope non-destructive testing instrument. At the same time, the staff selects matching inner bushings for the upper and lower parts of the inner wall of the main body 1 of the wire rope non-destructive testing instrument according to the outer diameter of the wire rope, to ensure the stability of the wire rope during the process of passing through the main body 1 of the wire rope non-destructive testing instrument, thereby ensuring the accuracy of the testing results of the main body 1 of the wire rope non-destructive testing instrument. Then, the upper and lower parts of the main body 1 of the wire rope non-destructive testing instrument are closed and positioned by the closing mechanism 5. At this time, the staff first presses the stop block 52 and pushes the irregularly shaped insert rod 55 away from the insert ring 53. At the same time, the return spring 54 is compressed by the stop block 52 and stores energy. When the wire rope After the upper and lower halves of the non-destructive testing instrument body 1 are closed, the operator releases the stop block 52. At this time, the bottom side of the irregularly shaped insert rod 55 is inserted into the insert ring 53 under the action of the return spring 54, thereby achieving the purpose of positioning. Moreover, during the closing process of the upper and lower halves of the wire rope non-destructive testing instrument body 1, the arc-shaped bottom plate 11 and the arc-shaped top plate 10 also approach each other. While the arc-shaped top plate 10 and the arc-shaped bottom plate 11 are limited by the closing mechanism 5, they are also assisted by the strip-shaped magic needle wool patch 18 and the strip-shaped magic cotton wool patch 19 to improve the stability of the closure of the arc-shaped top plate 10 and the arc-shaped bottom plate 11. Furthermore, the wire rope non-destructive testing instrument body 1 and the PLC controller 23 are connected to the handheld display terminal 3 through the data cable 2 to form a whole, and the wire rope non-destructive testing instrument body 1 is started to prepare for the subsequent non-destructive testing of the wire rope.

[0045] During the process of the wire rope of the heavy lifting equipment passing through the main body 1 of the wire rope non-destructive testing instrument, the electromagnetic induction coil built into the main body 1 of the wire rope non-destructive testing instrument generates a stable magnetic field, which magnetizes the wire rope. When the wire rope has defects such as broken wires, wear, or corrosion, a leakage magnetic field will be generated at the defect. The Hall element or magnetic sensor inside the main body 1 of the wire rope non-destructive testing instrument will capture the leakage magnetic field signal and convert it into an electrical signal, which is then transmitted to the PLC controller 23 to detect the wire rope defect. Afterwards, the main body 1 of the wire rope non-destructive testing instrument displays the wire rope defect in real time on the display screen of the handheld display terminal 3. Then, the operator controls the defect marking mechanism 9 to work according to the detection results. In addition, the wire rope will also come into contact with two arc-shaped wire brushes 62 during its movement. The arc-shaped wire brushes 62 will brush up the impurities attached to the surface of the wire rope (the impurities can be dust, dirt, excessive lubricating oil, and frost).

[0046] Meanwhile, staff can also send commands to the PLC controller 23 via the handheld display terminal 3. After receiving the commands, the PLC controller 23 controls the micro air pump 71 to work. The micro air pump 71 draws in a large amount of outside air through the filter screen 72. The outside air is injected into the temperature control zone 15 through the three-way pipe 73 and the first air pipe 74. Finally, a large amount of air is sprayed into the cleaning cavity formed by the arc-shaped top plate 10 and the arc-shaped bottom plate 11 for automatic cleaning of the wire rope through the Y-shaped air guide pipe 85, the arc-shaped hollow block 86 and the inclined air jet hole 87. At this time, due to the obstruction of the arc-shaped rubber block 20, the air in the cleaning cavity is discharged slowly, which greatly increases the air pressure in the cleaning cavity. Finally, the high-pressure air will pass through the gap between the arc-shaped rubber block 20 and the wire rope. (The size range of the gap is 5-10 mm) It is quickly discharged. If the outer diameter of the wire rope is too thick, a small arc-shaped rubber block 20 can be selected. The high-pressure air discharge process not only blows away the impurities or water temporarily stored in the grooves on the surface of the wire rope, but also carries away the impurities brushed up by the arc-shaped wire brush 62, ensuring that the surface of the wire rope is clean and will not form a "signal blocking layer" on the surface of the wire rope to interfere with the non-destructive testing. Moreover, the entire wire rope cleaning process is automatically completed during the non-destructive testing of the wire rope. This mechanism enables the non-destructive testing equipment for heavy lifting equipment to have the function of automatic cleaning and drying of the wire rope. It not only reduces the labor intensity of the testing personnel, but also shortens the preparation cycle for non-destructive testing, effectively improving the convenience and efficiency of non-destructive testing of wire rope.

[0047] When the wire rope of the heavy lifting equipment enters the main body 1 of the wire rope non-destructive testing instrument for non-destructive testing, the infrared temperature sensor 4 of the wire rope measures the temperature of the wire rope surface and converts the temperature into an electrical signal and sends it to the PLC controller 23. If the temperature detected by the infrared temperature sensor 4 is lower than the low temperature threshold preset by the PLC controller 23 (such as -5 degrees Celsius), the PLC controller 23 promptly controls the electric heating tube 81 to work. The electric heating tube 81 expands the heating area through multiple metal mesh sheets 82, thereby improving the efficiency of temperature rise in the temperature control zone 15 and the efficiency of temperature rise of the air entering the temperature control zone 15. Then, the heated air passes through the Y-shaped air guide pipe 85 and the arc-shaped hollow block 86. The hot air is injected into the cleaning cavity through the inclined jet hole 87. At this time, the hot air can not only increase the molecular movement of impurities attached to the surface of the wire rope, thereby "softening" the impurities and improving the cleaning effect of impurities on the surface of the wire rope in low temperature environment, but also raise the temperature of the wire rope to a suitable detection temperature range (such as 5-35 degrees Celsius). This temperature range can avoid abnormal fluctuations in the magnetic permeability of the wire rope material caused by low temperature, ensure that the magnetic field generated by the main body 1 of the wire rope non-destructive testing instrument is uniform and stable, reduce the interference noise of leakage magnetic field signal, and prevent the frost or condensation water remaining on the surface of the wire rope at low temperature from interfering with the detection. This allows the main body 1 of the wire rope non-destructive testing instrument to capture defect signals more accurately and improve the reliability of the testing results.

[0048] If the temperature detected by the infrared temperature sensor 4 of the wire rope exceeds the preset high-temperature threshold (e.g., 40 degrees Celsius) of the PLC controller 23, the PLC controller 23 promptly controls the operation of the semiconductor cooling chip 84 and the cooling fan 22. The cooling side of the semiconductor cooling chip 84 reduces the temperature of the temperature control zone 15 through the metal frame 83 and the metal mesh 82, thereby facilitating the reduction of the air temperature entering the temperature control zone 15. Then, the cooled air is injected into the cleaning cavity through the Y-shaped air guide pipe 85, the arc-shaped hollow block 86, and the inclined jet hole 87. At this time, the low-temperature air can reduce the temperature of the wire rope, preventing the wire rope from changing its own electromagnetic properties (e.g., a decrease in magnetic permeability) due to excessively high temperatures, thus ensuring the safety of the wire rope. The magnetic field strength and distribution of the flaw detection equipment will not be abnormal, and the amplitude and phase of defect signals such as broken wires and wear will not shift, accurately determining the type and severity of defects. Furthermore, the low-temperature air can also provide high-temperature protection for the sensitive elements inside the main body 1 of the wire rope non-destructive testing instrument, avoiding potential data drift and decreased detection accuracy. This mechanism enables the equipment to regulate the surface temperature of the wire rope, improving its resistance to environmental interference, thereby enhancing the accuracy of non-destructive testing of wire ropes in heavy lifting equipment, reducing the probability of wire rope breakage accidents in heavy lifting equipment, and ensuring the safety of heavy lifting equipment in the construction of ultra-high all-steel structure towers.

[0049] When a worker discovers a defect in the wire rope through a handheld display terminal 3, the worker promptly sends a command to the PLC controller 23 via the handheld display terminal 3. The PLC controller 23 then energizes the normally closed solenoid valve 76 for 3 seconds. During these 3 seconds, some air inside the three-way pipe 73 enters the liquid storage area 13 through the second air pipe 75 and the activated normally closed solenoid valve 76, increasing the air pressure at the top of the liquid storage area 13. The high air pressure forces the color marking liquid layer 93 in the liquid storage area 13 into the guide pipe 91, and finally, the color marking liquid passes through the nozzle 92. When sprayed onto the surface of the wire rope, maintenance personnel can quickly locate defects in the wire rope based on the color-coded marking liquid during subsequent maintenance. This eliminates the need for workers to use cable ties to mark defects, saving time and effort. After 3 seconds, the normally closed solenoid valve 76 is de-energized and closes, preventing the pressure in the storage area 13 from increasing and stopping the color-coded marking liquid from being sprayed from the nozzle 92. This mechanism enables the equipment to automatically mark wire rope defects, further reducing the workload of workers and effectively improving the convenience and efficiency of non-destructive testing of wire ropes.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wire rope flaw detection device for heavy lifting equipment, comprising a wire rope non-destructive testing instrument body (1), a data cable (2), and a handheld display terminal (3), characterized in that, The lower half of the steel wire rope non-destructive testing instrument body (1) is fixedly connected to a steel wire rope infrared temperature sensor (4). The upper half and the lower half of the steel wire rope non-destructive testing instrument body (1) are respectively fixedly connected to an arc-shaped top plate (10) and an arc-shaped bottom plate (11) on the same side of the outer wall. The upper half and the lower half of the steel wire rope non-destructive testing instrument body (1) are together fixedly connected to a closing mechanism (5). The inner walls of the arc-shaped top plate (10) and the arc-shaped bottom plate (11) are both fixedly connected to a wire rope cleaning mechanism (6) by bolts. The lower surface of the main body (1) of the wire rope non-destructive testing instrument is fixedly connected to a shell (16), and two heat insulation plates (12) are fixedly connected to the inner wall of the bottom end of the shell (16). The top of the heat insulation plate (12) is fixedly connected to the lower surface of the main body (1) of the wire rope non-destructive testing instrument. The two heat insulation plates (12) divide the internal cavity of the outer shell (16) into a liquid storage area (13), an air intake area (14) and a temperature control area (15); An air supply mechanism (7) is fixedly connected to the inner wall of the air intake area (14) of the outer shell (16), a temperature adjustment mechanism (8) is fixedly connected to the inner wall of the temperature control area (15) of the outer shell (16), and a defect marking mechanism (9) is fixedly connected to the side wall of the outer shell (16). The gas supply mechanism (7) includes a miniature vacuum pump (71) fixedly connected to the inner wall of the outer shell (16). The outer wall of the outer shell (16) located in the air inlet area (14) has an air inlet hole for the miniature vacuum pump (71) to enter the air, and a filter screen plate (72) is fixedly connected to the wall of the air inlet hole. The outlet end of the miniature vacuum pump (71) is fixedly connected to a three-way pipe (73). The two outlet ends of the three-way pipe (73) are respectively fixedly connected to a first air pipe (74) and a second air pipe (75). The outlet end of the first air pipe (74) passes through one of the heat insulation plates (12) and is connected to the temperature control area (15). The outlet end of the second air pipe (75) is fixedly connected to a normally closed solenoid valve (76). The outlet end of the normally closed solenoid valve (76) passes through another heat insulation plate (12) and is fixedly connected to the top of the liquid storage area (13).

2. The wire rope flaw detection device for heavy lifting equipment according to claim 1, characterized in that, The closing mechanism (5) includes a limiting ring (51) fixedly connected to the outer wall of the upper half of the wire rope non-destructive testing instrument body (1). The inner wall of the limiting ring (51) is movably connected to a shaped insert rod (55). One end of the shaped insert rod (55) is fixedly connected to a stop block (52). The other end of the shaped insert rod (55) is movably sleeved with an insert ring (53). The outer wall of the insert ring (53) is fixedly connected to the outer wall of the lower half of the wire rope non-destructive testing instrument body (1). The rod wall of the shaped insert rod (55) is movably sleeved with a return spring (54). The two ends of the return spring (54) are fixedly connected to the outer walls of the stop block (52) and the limiting ring (51), respectively.

3. The wire rope flaw detection device for heavy lifting equipment according to claim 1, characterized in that, The wire rope cleaning mechanism (6) includes a semicircular block (61), and two arc-shaped wire brushes (62) for cleaning the surface of the wire rope are fixedly connected to the inner wall of the semicircular block (61).

4. The wire rope flaw detection device for heavy lifting equipment according to claim 1, characterized in that, The temperature regulating mechanism (8) includes an electric heating tube (81) fixedly embedded in the side of the outer shell (16). Multiple metal mesh sheets (82) are fixedly sleeved on the wall of the electric heating tube (81). The lower surface of the outer shell (16) in the temperature control zone (15) has a mounting hole, and a metal frame (83) is fixedly connected to the wall of the mounting hole. The upper surface of the metal frame (83) is fixedly connected to the lower surface of the multiple metal mesh sheets (82), and the inner wall of the metal frame (83) is fixedly... Two semiconductor cooling chips (84) are connected. The outer shell (16) is located on the side wall of the temperature control zone (15) and is fixedly connected to a Y-shaped air guide pipe (85). The two outlet ends of the Y-shaped air guide pipe (85) pass through the bottom inner wall of the arc-shaped base plate (11) and are fixedly connected to an arc-shaped hollow block (86). The bottom end of the arc-shaped hollow block (86) is fixedly connected to the inner wall of the arc-shaped base plate (11). The outer wall of the arc-shaped hollow block (86) is provided with multiple inclined air jet holes (87).

5. A wire rope flaw detection device for heavy lifting equipment according to claim 1, characterized in that, The defect marking mechanism (9) includes a liquid guide tube (91) fixedly embedded in the side wall of the outer shell (16) near the liquid storage area (13). A nozzle (92) is fixedly connected to the top of the liquid guide tube (91). The outer wall of the nozzle (92) is fixedly connected to the lower half of the side wall of the wire rope non-destructive testing instrument body (1). The bottom end of the liquid guide tube (91) passes through the inner wall of the outer shell (16) and communicates with the bottom cavity of the liquid storage area (13). The interior of the liquid storage area (13) is filled with a color marking liquid layer (93). The outer shell (16) has a liquid replenishment hole at the top of the side wall of the liquid storage area (13), and the hole wall of the liquid replenishment hole is threaded with a sealing plug (94).

6. The wire rope flaw detection device for heavy lifting equipment according to claim 1, characterized in that, The rear sidewalls of the arc-shaped top plate (10) and the arc-shaped bottom plate (11) are fixedly connected with rubber connecting strips (17), the front sidewall of the arc-shaped top plate (10) is fixedly connected with strip-shaped magic needle wool patches (18), the front sidewall of the arc-shaped bottom plate (11) is fixedly connected with strip-shaped magic cotton wool patches (19) that cooperate with strip-shaped magic needle wool patches (18), and the inner walls of the arc-shaped top plate (10) and the arc-shaped bottom plate (11) are both fixedly connected with arc-shaped rubber blocks (20).

7. A wire rope flaw detection device for heavy lifting equipment according to claim 4, characterized in that, The outer walls of the heat dissipation side of the two semiconductor cooling chips (84) are fixedly connected to a plurality of heat-conducting strips (21), and the outer walls of the plurality of heat-conducting strips (21) are fixedly connected to a cooling fan (22).

8. A wire rope flaw detection device for heavy lifting equipment according to claim 1, characterized in that, A PLC controller (23) is fixedly connected to the inner wall of the air intake area (14) of the outer shell (16). The input terminal of the PLC controller (23) is electrically connected to a connecting wire harness (24). The connecting end of the connecting wire harness (24) passes through the outer wall of the outer shell (16). The connecting end of the connecting wire harness (24) and the connecting end of the main body (1) of the wire rope non-destructive testing instrument are both electrically connected to the data line (2). The top end of the data line (2) is electrically connected to the connecting end of the handheld display terminal (3).

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