CN214174235U - Steel wire rope defect rapid detection device under narrow working condition - Google Patents

Steel wire rope defect rapid detection device under narrow working condition Download PDF

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Publication number
CN214174235U
CN214174235U CN202022853898.0U CN202022853898U CN214174235U CN 214174235 U CN214174235 U CN 214174235U CN 202022853898 U CN202022853898 U CN 202022853898U CN 214174235 U CN214174235 U CN 214174235U
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wire rope
steel wire
base
linear magnetic
magnetic sensor
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CN202022853898.0U
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张闯
窦海明
裴宁
金亮
李星辰
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Xi'an Airui Intelligent Technology Co ltd
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Hebei University of Technology
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Abstract

The utility model discloses a wire rope defect short-term test device under narrow and small operating mode, including base and top cap, wherein all be equipped with linear magnetic sensor on base and the top cap and place the hole for place linear magnetic sensor, both ends are equipped with two the same permanent magnet standing grooves respectively around the base, and both ends are equipped with the same billet standing groove respectively about the base, are used for placing the billet, still are equipped with wire rope on the base and pass the hole, are used for wire rope to pass and detect after wire rope passes the hole. Can short-term test wire rope surface and near surface's defect signal to send out the police dispatch newspaper, for current quick magnetic leakage detection device. This device structure is simpler, light, the size is little, with low costs, more accurate, and the defect signal of a steel wire of detectable steel wire rope, convenient to use and popularization especially under the operating mode of the narrow position that steel wire rope located in military aircraft, can replace traditional artifical the measuring, effectively play a role.

Description

Steel wire rope defect rapid detection device under narrow working condition
Technical Field
The utility model relates to a wire rope defect detection area especially relates to a wire rope defect short-term test device under narrow and small operating mode.
Background
The steel wire rope can be suitable for various unfavorable working conditions, but the steel wire rope can be damaged in a long-term use mode, so that the steel wire rope is easy to break, and casualties of people and damage of hoisting equipment are caused. The existing steel wire rope defect detection technology mainly comprises an optical method, an ultrasonic detection method, an electromagnetic detection method and the like. The optical method is characterized in that the surface form of a steel wire rope to be detected is shot through a CCD technology, the defect shape can be displayed in a graphic mode when a fault occurs, the image characteristics are analyzed by using a graphic processing method, then the defect form and the defect size are led out, the defect degree can be visually displayed by the method, the precision is high only for detecting the near surface of the rope section, and the detection precision is limited when the surface of the rope section to be detected is not clean. The ultrasonic detection method is characterized in that ultrasonic signals act on a detected rope section, when the detected rope section has defects such as surface loss and broken wire, sound waves are reflected from the defect part, and the sound wave signals collected by receiving equipment contain the defect information of the steel wire rope, so that the method can well detect the broken wire inside and outside the steel wire rope, but the method is only suitable for detecting the end part of the steel wire rope and the defect close to the end part, is not suitable for the defect at a far position, and has lower precision when detecting the defect at the far position; the existing electromagnetic detection equipment is large in size and cannot be suitable for the narrow working condition of the steel wire rope in the airplane.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide a wire rope defect short-term test device under narrow and small operating mode.
In order to achieve the above object, the utility model provides a pair of wire rope defect short-term test device under narrow and small operating mode realizes like this: the steel wire rope to be detected penetrates through the magnetization part to be magnetized, the magnetized steel wire rope is detected through the linear magnetic sensor, when the steel wire rope is defective, the output value of the linear magnetic sensor changes, the control circuit board receives information collected by the linear magnetic sensor, when the detected part of the steel wire rope is defective, the control circuit board controls the buzzer and the warning lamp to send out alarm signals, after the steel wire rope passes through the rotary encoder, the rotary encoder identifies the moving displacement of the steel wire rope, and the control circuit board controls the LCD display screen to display the output voltage value of the linear magnetic sensor and the moving displacement value of the steel wire rope in real time. Can short-term test wire rope surface and near the defect signal on surface to send the police dispatch newspaper, for current quick magnetic leakage detection device, this device structure is simpler, light, the size is little, with low costs, more accurate, and the defect signal of a steel wire of detectable tapping wire rope, convenient to use and popularization especially under the operating mode of the narrow position that wire rope located in military aircraft, can replace traditional artifical the measuring, effective performance.
The utility model provides a wire rope defect short-term test device under narrow and small operating mode, the on-line screen storage device comprises a base and a top cap, wherein all be equipped with linear magnetic sensor on base and the top cap and place the hole, be used for placing linear magnetic sensor, both ends are equipped with two the same permanent magnet standing grooves respectively around the base, be used for placing the permanent magnet, both ends are equipped with the same billet standing groove respectively about the base, be used for placing the billet, it passes the hole to still be equipped with wire rope on the base, be used for wire rope to pass and detect after the hole is passed to wire rope, the latch hook is installed to base one side, install the hasp on the top cap of the correspondence one side of installing with the latch hook, two hinges are installed to the opposite side of base and top cap, be used for linking together base and top cap, lock the top cap on the base through hasp and latch hook.
The utility model discloses a two billet parallel mount are in two billet standing grooves, and two pairs of permanent magnet parallel mount are in two permanent magnet standing grooves, and billet and permanent magnet contact mutually, form the magnetization part by permanent magnet, billet, magnetize the processing to wire rope, detect the magnetic field signal around the wire rope magnetized through linear magnetic sensor, rotary encoder installs the exit position that wire rope passes through detection device, closely links to each other with wire rope for detect the displacement that wire rope removed.
The utility model discloses a linear magnetic sensor on base and the top cap places four the same linear magnetic sensors of installation on the hole for and four linear magnetic sensors become 90 degrees installations each other.
The utility model discloses in same one side of wire rope, the N utmost point and the S utmost point of a pair of permanent magnet are fixed respectively at a distance of 8 centimetres and are formed the complex body on same billet, and the permanent magnet that is close to wire rope one side in wire rope bilateral symmetry position all is the N utmost point or the S utmost point.
The outer surface of the top cover of the utility model is provided with a control circuit board, a warning lamp, a buzzer and an LCD display screen which are electrically connected with each other, the warning lamp and the buzzer are used for providing acousto-optic alarm information for users, the LCD display screen is used for displaying the output voltage value of the linear magnetic sensor and the displacement value of the movement of the steel wire rope in real time, the control circuit board processes the information collected by the linear magnetic sensor and the rotary encoder, the displacement values collected by the rotary encoder are in one-to-one correspondence with the voltage values output by the linear magnetic sensors in the control circuit board, once the detected part of the steel wire rope has defects, the control circuit board controls the LCD display screen to display the position of the steel wire rope with defects and the corresponding voltage value, and control warning light and bee calling organ to send alarm signal, the user just can find wire rope according to the displacement value that shows on the LCD display screen and have the defect position.
The utility model discloses a basis that control circuit board judges that wire rope has the defect does: the defect size of the steel wire rope is judged according to the change size of the output voltage of the linear magnetic sensor, when one steel wire of the steel wire rope to be detected is broken, the change size of the output voltage of the linear magnetic sensor is 20 millivolts, and the quantity of the broken steel wires of the steel wire rope to be detected can be judged according to the change size of the voltage value.
The utility model discloses a be equipped with signal amplification circuit on the control circuit board, filter circuit, analog-to-digital conversion circuit, the minimum system circuit of singlechip, because linear magnetic sensor output signal's is weak, so amplify the processing through signal amplification circuit to the signal that linear magnetic sensor gathered, and the signal that linear magnetic sensor gathered is besieged noise, so carry out filtering to the signal after enlarging through filter circuit and handle, the signal that rethread analog-to-digital conversion circuit will gather carries out AD conversion, input the minimum system circuit of singlechip at last and carry out the analytical computation.
The utility model discloses a minimum system circuit of singlechip adopts MC9S12X128 as the core.
The utility model discloses a warning light divide into red color lamp and green lamp, when wire rope was surveyed the part and is not had the defect, control circuit board control green lamp lights, when wire rope was surveyed the part and is had the defect, control circuit board control red color lamp lights and buzzer sounds, suggestion user wire rope has had a defect.
The utility model discloses a linear magnetic sensor adopts TMR2102 sensor.
Because the utility model discloses a permanent magnet, billet form the magnetization part, carry out magnetization to wire rope and handle, detect the structure by the magnetic field signal around the magnetized wire rope through linear magnetic sensor to can obtain following beneficial effect:
the utility model discloses a linear magnetic sensor detects the wire rope after the magnetization, converts the magnetic field signal around the wire rope into voltage signal, when the part of being surveyed of wire rope had the defect, control circuit board control buzzer and warning light send alarm signal, and after wire rope process rotary encoder, through rotary encoder discernment wire rope movement's displacement to by control circuit board control LCD display screen real-time display linear magnetic sensor's output voltage value and wire rope movement's displacement value. Can short-term test wire rope surface and near surface's defect signal to send out the police dispatch newspaper, for current quick magnetic leakage detection device. This device structure is simpler, light, the size is little, with low costs, more accurate, and the defect signal of a steel wire of detectable steel wire rope, convenient to use and popularization especially under the operating mode of the narrow position that steel wire rope located in military aircraft, can replace traditional artifical the measuring, effectively play a role.
Drawings
Fig. 1 is a schematic structural view of a base of the rapid detecting device for detecting defects of a steel wire rope under a narrow working condition;
fig. 2 is a schematic structural view of the inside of a top cover of the rapid detecting device for detecting defects of a steel wire rope under a narrow working condition;
FIG. 3 is a schematic view of the magnetization portion of the device for rapidly detecting defects of a steel wire rope under a narrow working condition;
fig. 4 is an installation schematic view of the linear magnetic sensor of the rapid detecting device for detecting defects of a steel wire rope under a narrow working condition of the present invention;
fig. 5 is a schematic structural view of the outer surface of the top cover of the rapid detecting device for the defects of the steel wire rope under a narrow working condition;
fig. 6 is the utility model relates to a wire rope defect short-term test device's under narrow and small operating mode working principle diagram.
The main elements are indicated by symbols.
Base seat 1 Top cover 2
Linear magnetic sensor placing hole 3 Permanent magnet placing groove 4
Steel bar holding groove 5 The wire rope passes through the hole 6
Lock hook 7 Lock catch 8
Hinge (C) 9 Permanent magnet 10
Steel bar 11 Linear magnetic sensor 12
Rotary encoder 13 Control circuit board 14
Warning lamp 15 Buzzer 16
LCD display screen 17
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 6 show a device for rapidly detecting a defect of a steel wire rope under a narrow working condition according to the present invention, which includes a base 1 and a top cover 2.
As shown in fig. 1 and fig. 2, a linear magnetic sensor placing hole 3 is provided on each of the base 1 and the top cover 2 for placing a linear magnetic sensor 12, two identical permanent magnet placing grooves 4 are provided on the front and rear ends of the base 1 for placing a permanent magnet 10, identical steel bar placing grooves 5 are provided on the left and right ends of the base 1 for placing steel bars 11, a steel wire rope passing hole 6 is further provided on the base 1 for detecting the steel wire rope passing through the steel wire rope passing hole 6, the steel wire rope passing through the steel wire rope passing hole 6 enters a housing part formed by combining the base 1 and the top cover 2, i.e. a measured part of the steel wire rope, a latch hook 7 is installed on one side of the base 1, a latch 8 is installed on the top cover 2 on the side corresponding to the latch hook 7, two hinges 9 are installed on the other side of the base 1 and the top cover 2 for connecting the base 1 and the top cover 2 together, the top cover 2 is locked on the base 1 through the latch 8 and the latch hook 7, the device has simple structure, portability, small size and low cost.
Base 1 and top cap 2 all adopt plastic materials to process and form, the size after top cap 1 and top cap 2 close is high 2.5 centimetres, wide 3 centimetres, long 9 centimetres, overall structure is small and exquisite, can be applicable to the narrow space within range work that the inside wire rope of aircraft located.
As shown in fig. 3, the two steel bars 11 are installed in two steel bar placing grooves 5 in parallel, two pairs of permanent magnets 10 are installed in two permanent magnet placing grooves 4 in parallel, the steel bars 11 and the permanent magnets 10 contact each other, a magnetizing part is formed by the permanent magnets 10 and the steel bars 11, the steel wire rope is magnetized, a magnetic field signal around the magnetized steel wire rope is detected by a linear magnetic sensor 12, when the steel wire rope is defective, a voltage value output by the linear magnetic sensor 12 changes, the voltage signal collected by the linear magnetic sensor 12 is received by a control circuit board 14, and is amplified, filtered, subjected to analog-to-digital conversion and then conveyed to a minimum system of a single chip for processing, when the detected part of the steel wire rope is defective, an audible and visual alarm message is sent, a rotary encoder 13 is installed at an outlet position of the steel wire rope passing through a detection device and is tightly connected with the steel wire rope, the device is used for detecting the displacement of the movement of the steel wire rope, the steel wire rope advances to drive the rotary encoder 13 to rotate, and the specific position of the defect of the steel wire rope is calculated after the treatment of the output pulse of the rotary encoder 13.
As shown in fig. 4, four identical linear magnetic sensors 12 are mounted in the linear magnetic sensor mounting holes 3 of the base 1 and the top cover 2, and are used for mounting the four linear magnetic sensors 12 at an angle of 90 degrees with each other, so that the magnetic field change around the magnetized steel wire rope can be comprehensively detected, and further, the correspondingly changed voltage is output.
The specific installation positions of the permanent magnet 10 are as follows: at the same side of the steel wire rope, the N pole and the S pole of a pair of permanent magnets 10 are respectively fixed on the same steel bar 11 at a distance of 8 cm to form a complex, and the permanent magnets 10 at the symmetrical positions of the two sides of the steel wire rope, which are close to one side of the steel wire rope, are both the N pole or the S pole.
As shown in fig. 5, a control circuit board 14, a warning light 15, a buzzer 16 and an LCD display screen 17 are mounted on the outer surface of the top cover 2, the control circuit board 14, the warning light 15, the buzzer 16 and the LCD display screen 17 are electrically connected, the warning light 15 and the buzzer 16 are used for providing audible and visual alarm information for a user, the LCD display screen 17 is used for displaying the output voltage value of the linear magnetic sensor 12 and the displacement value of the movement of the steel wire rope in real time, the control circuit board 14 processes the information collected by the linear magnetic sensor 12 and the rotary encoder 13, the displacement value collected by the rotary encoder 13 in the control circuit board 14 corresponds to the voltage value output by the linear magnetic sensor 12 one to one, once the detected part of the steel wire rope has a defect, the control circuit board 14 controls the LCD display screen 17 to display the position where the steel wire rope has the defect and the corresponding voltage value, and controls the warning light 15 and the buzzer 16 to send an alarm signal, the user can find the position of the steel wire rope with the defect according to the displacement value displayed on the LCD display screen 17.
The basis for the control circuit board 14 to judge the steel wire rope has defects is as follows: the defect size of the steel wire rope is judged according to the change size of the output voltage of the linear magnetic sensor 12, when one steel wire of the steel wire rope to be detected is broken, the change size of the output voltage of the linear magnetic sensor 12 is 20 millivolts, the number of broken steel wires of the steel wire rope to be detected can be judged according to the change size of the voltage value, a defect signal of one steel wire of the steel wire rope can be detected, the detection precision is effectively improved, the steel wire rope detection device is convenient to use and popularize, particularly, under the working condition of a narrow position where the steel wire rope is located in a military aircraft, the traditional manual detection can be replaced, and the effect is effectively exerted.
As shown in fig. 6, the control circuit board 14 is provided with a signal amplification circuit, a filter circuit, an analog-to-digital conversion circuit, and a minimum system circuit of a single chip microcomputer, and since the output signal of the linear magnetic sensor 12 is weak, the signal amplification circuit amplifies the signal acquired by the linear magnetic sensor 12, and the signal acquired by the linear magnetic sensor 12 is beset with noise, the filter circuit filters the amplified signal, the analog-to-digital conversion circuit performs a/D conversion on the acquired signal, and the signal is finally input to the minimum system circuit of the single chip microcomputer for analysis and calculation.
The minimum system circuit of the single chip microcomputer adopts MC9S12X128 as a core.
The warning lamp 15 is divided into a red lamp and a green lamp, when the detected part of the steel wire rope has no defect, the control circuit board 14 controls the green lamp to light, and when the detected part of the steel wire rope has defect, the control circuit board 14 controls the red lamp to light and the buzzer 16 to sound, so that the user is prompted that the steel wire rope has defect.
The linear magnetic sensor 12 is a TMR2102 sensor which can detect information of a change in magnetic field around a magnetized wire rope.
The power supply of the linear magnetic sensor 12, the rotary encoder 13, the control circuit board 14, the warning lamp 15, the buzzer 16 and the LCD display screen 17 is solved by an external storage battery or a charger for users.
The utility model discloses a theory of operation and working process as follows:
as shown in fig. 6, after a steel wire rope passes through a steel wire rope through hole 6 and enters a housing formed by combining a base 1 and a top cover 2, a permanent magnet 10 and a steel bar 11 form a magnetization part to magnetize the steel wire rope, a magnetic field signal around the magnetized steel wire rope is detected by a linear magnetic sensor 12, the signal acquired by the linear magnetic sensor 12 is amplified by a signal amplification circuit, the amplified signal is filtered by a filter circuit, the acquired signal is subjected to a/D conversion by an analog-to-digital conversion circuit and is finally input to a minimum system circuit of a single chip microcomputer for analysis and calculation, a rotary encoder 13 detects the displacement information of the movement of the steel wire rope and transmits the displacement information to the minimum system circuit of the single chip microcomputer for processing, the displacement value acquired by the rotary encoder 13 corresponds to the voltage value output by the linear magnetic sensor 12 one by one to one in a control circuit board 14, once the detected part of the steel wire rope has defects, the control circuit board 14 controls the LCD display screen 17 to display the positions where the steel wire rope has defects and corresponding voltage values, and controls the warning lamp 15 and the buzzer 16 to send out alarm signals, and a user can find the positions where the steel wire rope has defects according to the displacement values displayed on the LCD display screen 17.

Claims (4)

1. The utility model provides a wire rope defect short-term test device under narrow and small operating mode which characterized in that: including base and top cap, wherein all be equipped with linear magnetic sensor on base and the top cap and place the hole, be used for placing linear magnetic sensor, both ends are equipped with two the same permanent magnet standing grooves respectively around the base, be used for placing the permanent magnet, both ends are equipped with the same billet standing groove respectively about the base, be used for placing the billet, still be equipped with wire rope on the base and pass the hole, it detects after passing the hole to be used for wire rope, install the latch hook on base one side, install the hasp on the top cap of the corresponding one side of installing with the latch hook, two hinges are installed to the opposite side of base and top cap, be used for linking together base and top cap, lock the top cap on the base through hasp and latch hook.
2. The device for rapidly detecting the defects of the steel wire rope under the narrow working condition according to claim 1, is characterized in that: two billet parallel mount are in two billet standing grooves, and two pairs of permanent magnet parallel mount are in two permanent magnet standing grooves, and billet and permanent magnet contact each other, form the magnetization part by permanent magnet, billet, magnetize the processing to wire rope, detect the magnetic field signal around the wire rope that is magnetized through linear magnetic sensor, and rotary encoder installs the exit position that wire rope passes through detection device, closely links to each other with wire rope for detect the displacement that wire rope removed.
3. The device for rapidly detecting the defects of the steel wire rope under the narrow working condition according to claim 1, is characterized in that: four identical linear magnetic sensors are arranged on the linear magnetic sensor placing holes on the base and the top cover and are used for being arranged at 90 degrees with each other.
4. The device for rapidly detecting the defects of the steel wire rope under the narrow working condition according to claim 2, is characterized in that: the specific installation position of the permanent magnet is as follows: at the same side of the steel wire rope, the N pole and the S pole of a pair of permanent magnets are respectively fixed on the same steel bar at a distance of 8 cm to form a composite body, and the permanent magnets at the symmetrical positions of the two sides of the steel wire rope, which are close to one side of the steel wire rope, are both the N pole or the S pole.
CN202022853898.0U 2020-12-03 2020-12-03 Steel wire rope defect rapid detection device under narrow working condition Active CN214174235U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112415083A (en) * 2020-12-03 2021-02-26 河北工业大学 Steel wire rope defect rapid detection device under narrow working condition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112415083A (en) * 2020-12-03 2021-02-26 河北工业大学 Steel wire rope defect rapid detection device under narrow working condition

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Effective date of registration: 20230907

Address after: Room 10604, 6 / F, building 1, block D, Gaoke Plaza, Gaoxin 4th Road, high tech Zone, Xi'an City, Shaanxi Province, 710000

Patentee after: XI'AN AIRUI INTELLIGENT TECHNOLOGY Co.,Ltd.

Address before: 300131 Hebei University of technology, Hongqiao District, Tianjin

Patentee before: Hebei University of Technology