CN116973439A - Wire rope detection device of climbing-free device - Google Patents
Wire rope detection device of climbing-free device Download PDFInfo
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- CN116973439A CN116973439A CN202310697361.5A CN202310697361A CN116973439A CN 116973439 A CN116973439 A CN 116973439A CN 202310697361 A CN202310697361 A CN 202310697361A CN 116973439 A CN116973439 A CN 116973439A
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- 238000001514 detection method Methods 0.000 title claims abstract description 134
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 112
- 239000010959 steel Substances 0.000 claims abstract description 112
- 230000005291 magnetic effect Effects 0.000 claims abstract description 24
- 230000004907 flux Effects 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 48
- 238000004804 winding Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 26
- 230000009193 crawling Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 13
- 239000000314 lubricant Substances 0.000 claims description 12
- 230000008531 maintenance mechanism Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000009191 jumping Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000009194 climbing Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 20
- 230000009471 action Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000006223 plastic coating Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000002035 prolonged effect Effects 0.000 description 2
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- 208000003464 asthenopia Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/123—Checking means specially adapted for ropes or cables by analysing magnetic variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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Abstract
The invention provides a climbing-free device steel wire rope detection device, which relates to the technical field of steel wire rope detection and comprises a primary detection component, a secondary detection component and a steel wire rope inspection component, wherein the primary detection component is an alternating current electromagnetic detection device, the secondary detection component is a magnetic leakage nondestructive detection device, the secondary detection component is connected to a climbing ladder in an up-down sliding manner, and the steel wire rope inspection component is an infrared recording device and is arranged on the climbing-free device. The invention is provided with the first-level detection component and the second-level detection component of the two detection components, which respectively detect the steel wire rope, so that the potential safety hazard caused by damage or misjudgment of one of the detection components is avoided, wherein the second-level detection component can output the magnetic flux leakage image of the damage of the steel wire rope, and calibrate the specific damage position, and the machine detection is adopted to replace the manual detection, so that the problems of larger potential safety hazard, larger detection error, insufficient damage degree judgment and difficult finding of the damage position in the manual detection are avoided.
Description
Technical Field
The invention relates to the technical field of steel wire rope detection, in particular to a climbing-free device steel wire rope detection device.
Background
The climbing-free device is a low-speed light hoisting machine which utilizes a motor to drive a lifting platform to move up and down along a track arranged on a building or equipment ladder, and is used for carrying personnel and materials in high altitude, and is mainly applied to the wind power field, the climbing-free device is arranged on the ladder in a fan tower drum, is used by maintenance personnel of the fan, can greatly save the physical consumption of the personnel for climbing the fan tower drum and conveying maintenance instrument equipment, improves the maintenance efficiency of the fan, has the structure shown in fig. 1, comprises the climbing-free device trolley 1, the climbing-free device trolley 1 is connected on the ladder 10 in an up-down sliding manner through a guide track 11 on the ladder 10, the guide track 11 is connected with a falling-preventing device 12 in an up-down sliding manner, the top of the ladder 10 is rotationally connected with a steel wire rope wheel group 13, the bottom of the ladder 10 is provided with a steel wire rope driving assembly, one end of the steel wire rope 14 is fixedly connected above the climbing-free device trolley 1, one end of the steel wire rope 14 is far away from the climbing-free device trolley 1, and the steel wire rope driving assembly is sequentially connected below the climbing-free device trolley 1 after crossing the steel rope driving assembly, the climbing-free device 10 is provided with a climbing-free device 15, and the climbing-free device is driven by the steel rope driving assembly to move through the steel wire rope driving assembly 14 when the climbing-free device 1 moves down;
at present, a climbing-free device is usually used as a tower climbing tool, a climbing-free device trolley is required to be checked before boarding, but only parts of a tower foundation can be checked generally, and steel wire ropes above the tower foundation cannot be observed before boarding, so that the steel wire ropes fail to be the most important failure mode in the operation process of the climbing-free device, personal safety of wind-driven workers is seriously threatened, the steel wire ropes fail to include mild failure and severe failure, the mild failure mainly includes uneven tension of the steel wire ropes, the steel wire ropes excessively stretch, and the severe failure includes wire breakage, strand breakage, cage-like distortion, rope core extrusion, kinking, partial flattening, bending and the like;
at present, the mode of detecting the climbing-free device steel wire rope is that a periodic manual ladder is used for detecting the steel wire rope, and the potential safety hazard of the steel wire rope is found by observing and stroking the steel wire rope, however, the mode has a plurality of defects:
(1) The manual ladder stand is a dangerous behavior, and if the situation that a user needs to go out to check the steel wire rope is required, the potential safety hazard of the action is large;
(2) The illumination in the fan tower is insufficient and visual fatigue is caused by long-term observation of staff, so that large errors exist in manual detection;
(3) The manual detection is not only time-consuming and labor-consuming, but also the subjective judgment of the staff has no unified standard, and the situation that the replacement cost of the steel wire rope is increased or the artificial accident is increased is caused due to different evaluation severity of hidden danger at the same place;
(4) If the damage position is detected manually, when the ladder climbs again to overhaul the damage position, the specific position where the damage is located is difficult to find.
Therefore, the invention discloses a climbing-free steel wire rope detection device.
Disclosure of Invention
The invention provides a climbing-free device steel wire rope detection device which is used for solving at least one technical problem in the background technology.
In order to solve the technical problems, the invention discloses a climbing-free steel wire rope detection device which comprises a primary detection component, a secondary detection component and a steel wire rope inspection component, wherein the primary detection component is an alternating current electromagnetic detection device and is used for carrying out primary safety detection on the climbing-free steel wire rope, the secondary detection component is a magnetic flux leakage nondestructive detection device, the secondary detection component is connected to a climbing ladder in an up-down sliding manner and is used for carrying out secondary safety detection on the climbing-free steel wire rope, and the steel wire rope inspection component is an infrared recording device and is arranged on the climbing-free device and is used for monitoring the running condition of the climbing-free device and evaluating the use state of the climbing-free steel wire rope based on the running condition of the climbing-free device;
the second-level detection assembly comprises a scanning frame, a flaw detector and a wire rope on-line monitoring system, wherein the scanning frame is connected to the crawling ladder in an up-down sliding manner, the flaw detector is arranged on the scanning frame, the wire rope on-line monitoring system is electrically connected with the flaw detector, and the wire rope on-line monitoring system is used for outputting magnetic flux leakage images of the wire rope.
Preferably, the first-level detection assembly comprises a pressurizing body, a voltage receiver, an exciting coil and a detection coil, wherein the pressurizing body is fixedly connected to the side surface of the bottom end of the crawling ladder, the exciting coil is inserted into the pressurizing body, the voltage receiver is fixedly connected to the side surface of the top end of the crawling ladder, the detection coil is inserted into the voltage receiver, and the steel wire rope penetrates through the detection coil and the exciting coil.
Preferably, the damage types of the steel wire rope in the magnetic flux leakage image comprise broken wire damage, cage strand deformation damage, jumping wire damage, inner layer wire jumping damage and fatigue deformation damage.
Preferably, the flaw detection instrument comprises a flaw detection instrument main body, an electric guide disc adjusting screw rod is rotationally connected to the flaw detection instrument main body, a guide disc adjusting nut is connected to the electric guide disc adjusting screw rod in a threaded mode, a guide disc is connected to the guide disc adjusting nut through a guide disc connecting rod piece, a guide disc sliding rod is fixedly connected to the flaw detection instrument main body, and the guide disc is slidably connected to the guide disc sliding rod.
Preferably, the scanning frame comprises two symmetrically arranged frame frames, the frame frames are fixedly connected with scanning sliding blocks, the scanning sliding blocks are vertically and slidably connected in scanning sliding block mounting grooves of the crawling ladder, first driving pieces are arranged on the scanning sliding blocks and used for driving the scanning sliding blocks to slide along the scanning sliding block mounting grooves, and the frame frames are horizontally and slidably connected with mounting adjusting bodies.
Preferably, the installation regulation main part includes the installation shell, sliding connection is about the installation shell on the frame, be equipped with the second driving piece on the installation shell, the second driving piece is used for driving the installation shell and follows the frame and slide, the installation shell internal rotation is connected with interval adjustment lead screw, be equipped with two sets of screw threads opposite in direction on the interval adjustment lead screw, screw threads opposite in direction are gone up to two sets of screw threads respectively and are connected with interval adjustment nut, fixedly connected with electric detection telescopic link on the interval adjustment nut, electric detection telescopic link keeps away from interval adjustment nut's one end and is equipped with pressure sensing alarm head.
Preferably, the sliding key is connected with two symmetrically arranged first gears on the interval adjusting screw, a third driving piece is arranged on the first gears and used for driving the first gears to slide along the interval adjusting screw, two symmetrically arranged clamping adjusting shafts are rotationally connected in the installation shell, a second gear is fixedly connected on the clamping adjusting shafts and used for being matched with the first gears, clamping head connecting bent rods are connected to the clamping adjusting shafts in a threaded mode, and one ends of the bent rods, far away from the clamping adjusting shafts, are fixedly connected with clamping heads.
Preferably, the flaw detection device further comprises a steel wire rope cleaning and maintaining mechanism, wherein the steel wire rope cleaning and maintaining mechanism is connected to the flaw detection instrument through bolts, the steel wire rope cleaning and maintaining mechanism comprises two symmetrically arranged cleaning and maintaining mechanism shells, the cleaning and maintaining mechanism shells are connected to the flaw detection instrument through bolts, the cleaning and maintaining mechanism shells are rotationally connected with a position adjusting electric screw rod, the position adjusting electric screw rod is rotationally connected with a position adjusting nut, the position adjusting nut is fixedly connected with an L-shaped connecting rod, one end of the L-shaped connecting rod, far away from the position adjusting nut, is fixedly connected with a surrounding barrel, a surrounding barrel guide rod is fixedly connected in the cleaning and maintaining mechanism shells, the surrounding barrel is connected to the surrounding barrel guide rod through bolts, and a steel wire rope cleaning and maintaining component is arranged in the surrounding barrel.
Preferably, the clean maintenance subassembly of wire rope includes lubricant feed subassembly and smearing the subassembly, and lubricant feed subassembly is used for supplying with the lubricant for smearing the subassembly, smears the subassembly and includes half drum type plasticity and paints the executive component, half drum type plasticity smears executive component both ends fixedly connected with fine setting pole, fine setting pole sliding connection in the enclosed tube, fixedly connected with first electro-magnet on the fine setting pole, fixedly connected with second electro-magnet on the enclosed tube, fixedly connected with compression elastic component between first electro-magnet and the second electro-magnet.
Preferably, the lubricant feeding component comprises an extrusion piston, the extrusion piston is in sliding connection in an extrusion cavity of the surrounding barrel, a piston guide rod is fixedly connected in the extrusion cavity, the extrusion piston is in sliding connection on the piston guide rod, a first electric rotating shaft is connected in the surrounding barrel in a rotating manner, a first reel and a second reel are fixedly connected in the first electric rotating shaft, a first pulling winding is wound on the first reel, one end of the first pulling winding, far from the first reel, is fixedly connected with the extrusion piston, a first reset elastic piece is sleeved on the piston guide rod, a second pulling winding is wound on the second reel, one end of the second pulling winding, far from the second reel, is fixedly connected with a flashboard, the flashboard is in sliding connection in the extrusion cavity, a second reset elastic piece is fixedly connected between the flashboard and the inner wall of the extrusion cavity, a discharging hole and a positioning hole are formed in the flashboard, a reset toggle piece is rotationally connected on the flashboard, an electric positioning block is in sliding connection with the inner wall of the extrusion cavity, a discharging bin and a spray head are arranged in the surrounding barrel through a spring fixedly connected with the inner wall of the extrusion cavity, and two ends of the discharging bin are respectively communicated with the extrusion cavity and the spray head through a pipe cavity.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention sets up two detection components one-level detection component and two-level detection component, detect the wire rope separately, have avoided one of them to detect the potential safety hazard that the component damages or misjudges, wherein the two-level detection component can output the magnetic flux leakage picture that the wire rope damages, and mark and have the damage position, set up the wire rope to patrol and examine the assembly to exempt from to climb the running situation of the ware at the same time, and evaluate and exempt from to climb the use condition of the ware wire rope based on the running situation of the ware, more accurate aassessment wire rope presents the potential safety hazard, and kill it in the cradle, adopt the machine to detect and replace the manual detection, have avoided the manual detection potential safety hazard great, detect the error great, damage degree judge insufficient and damage position difficult to find the problem.
2. The cleaning and maintaining mechanism for the steel wire rope is arranged on the flaw detection instrument, so that the steel wire rope can be maintained while being detected, and the service life of the steel wire rope is prolonged.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a creeper free installation;
FIG. 2 is a schematic diagram of a primary detection assembly according to the present invention;
FIG. 3 is a magnetic flux leakage image of a steel wire rope of the present invention;
FIG. 4 is a schematic view of a gantry installation of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a schematic view of a frame structure according to the present invention;
FIG. 7 is a schematic view of a gantry of the present invention;
FIG. 8 is a schematic view of a cleaning and maintenance mechanism for a steel wire rope according to the present invention;
FIG. 9 is a schematic view of a cleaning and maintenance assembly for a steel wire rope according to the present invention.
In the figure: 1. a climbing-free device trolley; 10. a ladder stand; 11. a guide rail; 12. a fall arrester; 13. a wire rope pulley group; 14. a wire rope; 15. a climb-free controller; 2. a pressurizing body; 20. a voltage receiver; 21. an exciting coil; 22. a detection coil; 3. a scanning frame; 30. a flaw detector; 300. a flaw detector body; 301. an electric guide disc adjusts a lead screw; 302. a guide disc adjusting nut; 303. the guide disc is connected with the rod piece; 304. a guide disc; 305. a guide disc slide bar; 31. a frame; 310. a scanning slide block; 311. scanning the slider mounting groove; 32. installing an adjusting main body; 320. a mounting shell; 321. a pitch adjusting screw; 322. a spacing adjustment nut; 323. electrically detecting the telescopic rod; 324. a pressure sensing alarm head; 325. a first gear; 326. clamping an adjusting shaft; 327. a second gear; 328. bending a rod; 329. a clamping head; 4. the cleaning and maintaining mechanism of the steel wire rope; 400. cleaning and maintaining a mechanism shell; 401. position-adjusting electric screw rods; 402. a position adjustment nut; 403. an L-shaped connecting rod; 404. a surrounding cylinder; 405. a guide rod of the surrounding cylinder; 406. extruding the piston; 407. an extrusion chamber; 408. a piston guide rod; 409. a first electric rotating shaft; 410. a first reel; 411. a first pull wire; 412. a first return elastic member; 413. a second reel; 414. a second pull wire; 415. a flashboard; 416. a second return elastic member; 417. a discharging hole; 418. positioning holes; 419. resetting the toggle piece; 420. a positioning block; 421. discharging the material bin; 422. a spray head; 5. a smearing component; 50. a semi-cylindrical plastic painting actuator; 500. a fine tuning rod; 501. a first electromagnet; 502. a second electromagnet; 503. compressing the elastic member; 504. a feed supplement motor; 505. a second rotating shaft; 506. a third reel; 507. a third winding; 508. a material supplementing flashboard; 509. a flashboard groove; 510. the flashboard is connected with the elastic piece; 511. the chute is communicated; 512. a switch-on block; 513. switching on the piston; 514. a wire; 515. a trigger plate; 516. a buffer elastic member; 517. a feed supplementing channel; 518. supplementing bin; 519. and a material pumping pump.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples
Example 1
The embodiment of the invention provides a climbing-free device steel wire rope detection device, which comprises a primary detection component, a secondary detection component and a steel wire rope inspection component, wherein the primary detection component is an alternating current electromagnetic detection device and is used for carrying out primary safety detection on a climbing-free device steel wire rope, the secondary detection component is a magnetic flux leakage nondestructive detection device, the secondary detection component is vertically connected to a crawling ladder 10 in a sliding manner and is used for carrying out secondary safety detection on the climbing-free device steel wire rope, and the steel wire rope inspection component is an infrared recording device and is arranged on the climbing-free device and is used for monitoring the operation condition of the climbing-free device and evaluating the use state of the climbing-free device steel wire rope based on the operation condition of the climbing-free device;
the second-level detection assembly comprises a scanning frame 3, a flaw detector 30 and a wire rope on-line monitoring system, wherein the scanning frame 3 is connected to the crawling ladder 10 in an up-down sliding mode, the flaw detector 30 is arranged on the scanning frame 3, the wire rope on-line monitoring system is electrically connected with the flaw detector 30, and the wire rope on-line monitoring system is used for outputting magnetic flux leakage images of the wire rope.
The damage types of the steel wire rope in the magnetic leakage image comprise broken wire damage, cage strand deformation damage, jumping wire damage, inner layer wire jumping damage and fatigue deformation damage.
The working principle and the beneficial effects of the technical scheme are as follows: when the device is used, the primary safety detection is carried out on the steel wire rope 14 by adopting the primary detection component, then the secondary detection component is started to scan the steel wire rope 14, the secondary safety detection is completed, if the actual detection results of the primary safety detection and the secondary safety detection are both in a safety range, the steel wire rope 14 is in a safety state, a worker can use the climbing-free device trolley 1 safely, if one result of the actual detection results of the primary safety detection or the secondary safety detection is out of the safety range, the steel wire rope 14 is overhauled or replaced, meanwhile, the steel wire rope inspection component on the climbing-free device trolley 1 can monitor the running condition of the climbing-free device, the use state of the climbing-free device steel wire rope can be estimated more accurately based on the running condition of the climbing-free device, the hidden trouble of the steel wire rope 14 can be found in advance, and the climbing-free device trolley is killed in a cradle;
when the device is used, the flaw detector 30 is arranged on the scanning frame 3, the scanning frame 3 drives the flaw detector 30 to move up and down to magnetize the steel wire rope 14, meanwhile, the magnetic field distribution on the steel wire rope 14 is collected, and the magnetic field distribution information is transmitted to the steel wire rope on-line monitoring system, and the steel wire rope on-line monitoring system can display the magnetic leakage image of the steel wire rope 14;
the working principle of the flaw detector 30 is as follows: if the steel wire rope is a ferromagnetic body and is magnetized to a magnetic saturation state along the axial direction by an excitation device, no matter the surface of the steel wire rope or the inside of the steel wire rope is damaged, a leakage magnetic field leaking out of the surface of the steel wire rope is generated at the damaged part, and the intensity distribution characteristic of the leakage magnetic field reflects the damage degree range and the damage type of the steel wire rope; detecting the leakage magnetic field by using a magnetic-sensitive detection element, and quantitatively judging the enzyme damage of the steel wire rope after signal processing, so as to ensure the safety of the steel wire rope when entering rain;
the invention sets up two detection components one-level detection component and two-level detection component, detect wire rope 14 separately, have avoided one of them to detect the potential safety hazard that the component damages or misjudges, wherein the two-level detection component can output the magnetic flux leakage picture that the wire rope damages, and mark the specific damaged position, wherein the magnetic flux leakage picture is as shown in figure 3, set up the wire rope to patrol and examine the assembly to monitor the running situation of the climbing-free device at the same time, and assess the service condition of the climbing-free device wire rope based on the running situation of the climbing-free device, the potential safety hazard that the more accurate assessment wire rope 14 exists, and kill it in the cradle, adopt the machine to detect and replace the manual detection, have avoided the manual detection potential safety hazard great, detect the error great, damage degree judge insufficient and damage position difficult to find problem.
Example 2
On the basis of embodiment 1, the primary detection assembly comprises a pressurizing body 2, a voltage receiver 20, an exciting coil 21 and a detection coil 22, wherein the pressurizing body 2 is fixedly connected to the bottom side surface of the crawling ladder 10, the exciting coil 21 is inserted into the pressurizing body 2, the voltage receiver 20 is fixedly connected to the top side surface of the crawling ladder 10, the detection coil 22 is inserted into the voltage receiver 20, and the steel wire rope 14 penetrates through the detection coil 22 and the exciting coil 21.
The voltage receiver 20 may be electrically connected to an anomaly alarm, and if the detected value of the voltage receiver 20 is outside the preset voltage detected value, the anomaly alarm performs an alarm prompt.
The working principle and the beneficial effects of the technical scheme are as follows: when the device is used, an operator opens the pressurizing body 2, the pressurizing body 2 pressurizes two ends of the exciting coil 21, any key change of the magnetic property of the steel wire rope 14 can cause the voltage change of the detecting coil 22, the voltage of the two ends of the voltage of the detecting coil 22 is displayed through the voltage receiver 20, if the actual voltage detection value of the voltage receiver 20 is located outside a preset voltage detection range, the damage condition of the steel wire rope 14 is proved to be serious and needs to be replaced in time, if the actual voltage detection value of the voltage receiver 20 is located within the preset voltage detection range, then the secondary safety detection is carried out through the secondary detection assembly, if the detection result is still located within the safety range, the steel wire rope is proved to be normal, the climbing-free trolley can be started, and if the detection result of the secondary safety detection is located outside the safety range, the steel wire rope 14 is overhauled or replaced.
Example 3
On the basis of embodiment 1, the flaw detector 30 comprises a flaw detector main body 300, an electric guide plate adjusting screw 301 is rotatably connected to the flaw detector main body 300, a guide plate adjusting nut 302 is in threaded connection with the electric guide plate adjusting screw 301, a guide plate 304 is connected to the guide plate adjusting nut 302 through a guide plate connecting rod 303, a guide plate sliding rod 305 is fixedly connected to the flaw detector main body 300, and the guide plate 304 is slidably connected to the guide plate sliding rod 305;
the working principle and the beneficial effects of the technical scheme are as follows: after the flaw detector 30 is arranged on the scanning frame 3, the distance between the two guide plates 304 is required to be adjusted according to the actual diameter of the steel wire rope 14, so that the inner side surface of the guide plate 304 is in contact with the steel wire rope 14, and the guide plate slide rod 305 and the two guide plates 304 can play a guiding role when the flaw detector 30 moves up and down, so that the detection reliability of the flaw detector 30 is improved;
during adjustment, the electric guide plate adjusting screw 301 rotates to drive the guide plate adjusting nut 302 to rotate, and the guide plate adjusting nut 302 rotates to drive the guide plate connecting rod 303 to move, so that the two guide plates 304 slide along the guide plate sliding rod 305 to drive the two guide plates 304 to be close to or far away from each other, and adjustment of the guide plates 304 is completed.
Example 4
On the basis of embodiment 1, the scanning frame 3 comprises two symmetrically arranged frame frames 31, wherein a scanning slide block 310 is fixedly connected to the frame frames 31, the scanning slide block 310 is vertically and slidably connected in a scanning slide block mounting groove 311 of the crawling ladder 10, a first driving piece is arranged on the scanning slide block 310 and used for driving the scanning slide block 310 to slide along the slide block mounting groove 311, and an installation and adjustment main body 32 is horizontally and slidably connected to the frame frames 31;
the installation adjusting main body 32 comprises an installation shell 320, the installation shell 320 is connected to the frame 31 in a left-right sliding manner, a second driving piece is arranged on the installation shell 320 and used for driving the installation shell 320 to slide along the frame 31, a spacing adjusting screw rod 321 is rotationally connected to the installation shell 320, two groups of threads with opposite rotation directions are arranged on the spacing adjusting screw rod 321, spacing adjusting nuts 322 are respectively connected to the two groups of threads with opposite rotation directions in a threaded manner, an electric detection telescopic rod 323 is fixedly connected to the spacing adjusting nuts 322, and a pressure sensing alarm head 324 is arranged at one end, far away from the spacing adjusting nuts 322, of the electric detection telescopic rod 323;
the upper sliding key of the interval adjusting screw rod 321 is connected with two symmetrically arranged first gears 325, the first gears 325 are provided with third driving parts, the third driving parts are used for driving the first gears 325 to slide along the interval adjusting screw rod 321, two symmetrically arranged clamping adjusting shafts 326 are rotationally connected to the mounting shell 320, second gears 327 are fixedly connected to the clamping adjusting shafts 326, the second gears 327 are used for being matched with the first gears 325, clamping adjusting shafts 326 are connected with clamping head connecting bent rods 328 in a threaded mode, and one ends of the bent rods 328, far away from the clamping adjusting shafts 326, are fixedly connected with clamping heads 329.
The technical scheme has the working principle and beneficial effects that: when the flaw detector 30 is installed, the distance between two installation adjusting bodies 32 is adjusted according to the actual width of the flaw detector 30, the second driving piece drives the installation shell 320 to slide along the frame 31 during adjustment, after the distance between the two installation adjusting bodies 32 is adjusted in place, the third driving piece drives the first gear 325 to slide along the interval adjusting screw 321, so that the first gear 325 and the second gear 327 are meshed with each other, the interval adjusting screw 321 rotates to drive the first gear 325 to rotate, the first gear 325 rotates to drive the second gear 327 to rotate, the second gear 327 rotates to drive the clamping adjusting shaft 326 to rotate, the clamping adjusting shaft 326 rotates to drive the clamping head connecting bent rod 328 to move along the clamping adjusting shaft 326 under the action of threads, and therefore the clamping head 329 is contacted with the upper side surface and the lower side surface of the flaw detector 30, meanwhile, the interval adjusting screw 321 rotates to drive the two interval adjusting nuts 322 to move, and the electric detection telescopic rod 323 stretches to enable the pressure sensing alarm head 324 to be contacted with the side surface of the flaw detector 30, and the installation of the flaw detector 30 is completed;
the first driving piece drives the scanning sliding block 310 to slide along the sliding block mounting groove 311, so that the flaw detection instrument 30 is driven to move up and down to scan and detect the steel wire rope 14;
the scanning frame 3 can also detect the tightness degree of the steel wire rope 14, the first driving piece drives the scanning sliding block 310 to slide to a designated position along the sliding block mounting groove 311 during detection, then the interval adjusting screw 321 rotates to drive the two interval adjusting nuts 322 to move, the distance between the two interval adjusting nuts 322 is adjusted to the designated distance, and then a group of electric detection telescopic rods 323 which are mutually diagonal are selected to extend the designated distance, the extending distance is larger than the horizontal distance between the original position of the pressure sensing alarm head 324 and the side surface of the steel wire rope 14, so that the pressure sensing alarm head 324 compresses the steel wire rope 14;
for the steel wire rope 14 with normal tightness, the actual detection value of the pressure sensing alarm head 324 is in the normal range, for the looser steel wire rope 14, the actual detection value of the pressure sensing alarm head 324 is smaller than the normal range, for the tighter steel wire rope 14, the actual detection value of the pressure sensing alarm head 324 is larger than the normal range, and for the steel wire rope 14 beyond the normal range, the pressure sensing alarm head 324 can give out an alarm, so that a worker is reminded of timely maintaining the tightness of the steel wire rope 14, severe shaking of the climbing-free trolley 1 in the operation process due to the looser steel wire rope 14 is avoided, wire breakage of the steel wire rope 14 due to the looser steel wire rope 14 is avoided, and the service life of the steel wire rope is shortened.
Example 5
On the basis of the embodiment 1, the flaw detector further comprises a steel wire rope cleaning and maintaining mechanism 4, the steel wire rope cleaning and maintaining mechanism 4 is connected to the flaw detector 30 through bolts, the steel wire rope cleaning and maintaining mechanism 4 comprises two symmetrically arranged cleaning and maintaining mechanism shells 400, the cleaning and maintaining mechanism shells 400 are connected to the flaw detector 30 through bolts, a position adjusting electric lead screw 401 is rotationally connected to the cleaning and maintaining mechanism shells 400, a position adjusting nut 402 is rotationally connected to the position adjusting electric lead screw 401, an L-shaped connecting rod 403 is fixedly connected to the position adjusting nut 402, a surrounding cylinder 404 is fixedly connected to one end of the L-shaped connecting rod 403, which is far away from the position adjusting nut 402, a surrounding cylinder guide rod 405 is fixedly connected to the cleaning and maintaining mechanism shells 400, the surrounding cylinder 404 is connected to the surrounding cylinder guide rod 405 through bolts, and a steel wire rope cleaning and maintaining component is arranged in the surrounding cylinder 404;
the steel wire rope cleaning and maintaining assembly comprises a lubricant feeding assembly and an smearing assembly 5, wherein the lubricant feeding assembly is used for supplying lubricant to the smearing assembly 5, the smearing assembly 5 comprises a semi-cylindrical plastic smearing execution piece 50, two ends of the semi-cylindrical plastic smearing execution piece 50 are fixedly connected with a fine adjustment rod 500, the fine adjustment rod 500 is slidably connected in a surrounding cylinder 404, a first electromagnet 501 is fixedly connected to the fine adjustment rod 500, a second electromagnet 502 is fixedly connected to the surrounding cylinder 404, and a compression elastic piece 503 is fixedly connected between the first electromagnet 501 and the second electromagnet 502;
the lubricant feeding component comprises an extrusion piston 406, the extrusion piston 406 is slidably connected in an extrusion cavity 407 of a surrounding barrel 404, a piston guide rod 408 is fixedly connected in the extrusion cavity 407, the extrusion piston 406 is slidably connected on the piston guide rod 408, a first electric rotating shaft 409 is rotatably connected in the surrounding barrel 404, a first winding wheel 410 and a second winding wheel 413 are fixedly connected on the first electric rotating shaft 409, a first pulling winding wire 411 is wound on the first winding wheel 410, one end of the first pulling winding wire 411, far from the first winding wheel 410, is fixedly connected on the extrusion piston 406, a first reset elastic piece 412 is sleeved on the piston guide rod 408, a second pulling winding wire 414 is wound on the second winding wheel 413, one end of the second pulling winding wire 414, far from the second winding wheel 413, is fixedly connected with a flashboard 415, the flashboard 415 is slidably connected in the extrusion cavity 407, a second reset elastic piece 416 is fixedly connected between the flashboard 415 and the inner wall of the extrusion cavity 407, a discharging hole 417 and a positioning hole 418 are formed in the flashboard 415, a reset piece 419 is rotatably connected on the flashboard 415, the inner wall of the extrusion cavity is slidably connected with an electric reset piece 420, the electric reset piece 420 is fixedly connected with the inner wall of the electric reset piece 407, the electric reset piece is fixedly connected with the extrusion cavity 407 and the inner wall of the extrusion cavity 422 through the extrusion cavity 422 and the extrusion cavity 422 through the two ends of the extrusion cavity 422 and the extrusion cavity 421, and the two ends of the ejection nozzles are respectively communicated with the ejection heads through the ejection heads 422 and the spray heads.
The working principle and the beneficial effects of the technical scheme are as follows: when the device works, the two cleaning and maintaining mechanism shells 400 are connected to the flaw detector 30 through bolts, at the moment, the steel wire rope 14 penetrates through the steel wire rope cleaning and maintaining mechanism 4, then the position adjusting electric screw rod 401 rotates to drive the two position adjusting nuts 402 to move oppositely, so that the two surrounding drums 404 move oppositely until the cross sections of the two surrounding drums 404 are attached, and the surrounding drum guide rods 405 can play a guiding role in the moving process of the surrounding drums 404;
then, the first electromagnet 501 and the second electromagnet 502 are powered off, so that the semicircular cylinder type plastic coating executing piece 50 moves towards the direction close to the surface of the steel wire rope 14 under the action of the elastic force of the compression elastic piece 503 and finally is attached to the surface of the steel wire rope 14, then the coating assembly 5 sprays lubricating liquid on the semicircular cylinder type plastic coating executing piece 50, and after the semicircular cylinder type plastic coating executing piece 50 absorbs the lubricating liquid, the semicircular cylinder type plastic coating executing piece 50 is driven to move up and down through the scanning frame 3, so that maintenance of the steel wire rope is realized;
when the smearing assembly 5 works, the first electric rotating shaft 409 rotates to drive the first reel 410 and the second reel 413 to rotate, the first reel 410 rotates to drive the extrusion piston 406 to move towards the direction close to the first reel 410, the extrusion piston 406 extrudes the extrusion cavity 407 in the moving process, the second reel 413 rotates to drive the flashboard 415 to move towards the direction close to the second reel 413, so that the discharging hole 417 is connected with the discharging bin 421 and is communicated with the pipe cavity, the lubricating liquid in the extrusion cavity 407 is pressed into the discharging bin 421 under the extrusion of the extrusion piston 406, is extruded out of the spray head 422 through the discharging bin 421 and is sprayed to the semicircular cylinder type plastic smearing execution piece 50, and finally, the semicircular cylinder type plastic smearing execution piece 50 is smeared on the steel wire rope 14;
in the process of moving the gate 415 to a direction approaching the second reel 413, when the positioning hole 418 passes through the electric positioning block 420, the electric positioning block 420 is pressed into the positioning hole 418 under the action of a spring, so that the extrusion cavity 407 is always communicated with the pipe cavity in the discharging process, when feeding is finished, the electric positioning block 420 slides to a direction far away from the positioning hole 418, and meanwhile, the first electric rotating shaft 409 is reversed, so that the extrusion piston 406 is reset under the action of the first reset elastic piece 412, and meanwhile, the gate 415 is reset under the action of the second reset elastic piece 416;
by providing the wire rope cleaning and maintaining mechanism 4 on the flaw detector 30, the wire rope can be maintained while being detected, and the service life of the wire rope is prolonged.
Example 6
On the basis of embodiment 5, the device further comprises a feeding component, the feeding component comprises a feeding motor 504, the feeding motor 504 is fixedly connected in the enclosure 404, the output end of the feeding motor 504 is fixedly connected with a second rotating shaft 505, a third winding wheel 506 is fixedly connected to the second rotating shaft 505, a third winding wire 507 is wound on the third winding wheel 506, one end of the third winding wire 507, far away from the third winding wheel 506, is fixedly connected with a feeding gate plate 508, the feeding gate 508 is slidably connected in a gate groove 509 of the enclosure 404, the feeding gate 508 is connected with the inner wall of the gate groove 509 through a gate connecting elastic member 510, a feeding channel 517 and a feeding bin 518 are arranged in the enclosure 404, the feeding bin 518 is communicated with the extrusion cavity 407 through the feeding channel 517, and a pumping pump 519 is arranged in the feeding channel 517;
the enclosing barrel 404 is internally provided with a connecting chute 511, a connecting block 512 is fixedly connected in the connecting chute 511, a connecting piston 513 is slidably connected in the connecting chute 511, the connecting block 512 is connected with the feeding motor 504 through a lead 514, one end of the connecting piston 513 far away from the connecting block 512 is fixedly connected with a trigger plate 515, and a buffer elastic piece 516 is sleeved on the connecting piston 513.
The working principle and the beneficial effects of the technical scheme are as follows: when the extruding piston 406 moves to contact with the trigger plate 515, the communicating piston 513 is driven to move to the end close to the communicating block 512 until contacting with the communicating block 512, at this time, the feeding motor 504 is communicated, the feeding motor 504 drives the second rotating shaft 505 to rotate, the second rotating shaft 505 drives the third reel 506 to rotate, the third reel 506 rotates to release the third winding 507, the third winding 507 is released to enable the feeding gate 508 to be pulled back to the gate groove 509 under the action of the gate connecting elastic piece 510, at this time, the feeding channel 517 is communicated, and the lubricating liquid in the feeding bin 518 is pumped into the extruding cavity 407 under the action of the pumping pump 519.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a exempt from to climb ware wire rope detection device which characterized in that: the device comprises a primary detection component, a secondary detection component and a steel wire rope inspection component, wherein the primary detection component is an alternating current electromagnetic detection device and is used for carrying out primary safety detection on the climbing-free device steel wire rope, the secondary detection component is a magnetic flux leakage nondestructive detection device and is connected to a crawling ladder (10) in an up-down sliding manner and is used for carrying out secondary safety detection on the climbing-free device steel wire rope, the steel wire rope inspection component is an infrared recording device and is arranged on the climbing-free device and is used for monitoring the running condition of the climbing-free device and evaluating the use state of the climbing-free device steel wire rope based on the running condition of the climbing-free device;
the second-level detection assembly comprises a scanning frame (3), a flaw detector (30) and a wire rope on-line monitoring system, wherein the scanning frame (3) is connected to the crawling ladder (10) in an up-down sliding mode, the flaw detector (30) is arranged on the scanning frame (3), the wire rope on-line monitoring system is electrically connected with the flaw detector (30), and the wire rope on-line monitoring system is used for outputting magnetic flux leakage images of the wire rope.
2. The climbing-free wire rope detection apparatus according to claim 1, wherein:
the primary detection assembly comprises a pressurizing body (2), a voltage receiver (20), an exciting coil (21) and a detection coil (22), wherein the pressurizing body (2) is fixedly connected to the side surface of the bottom end of the crawling ladder (10), the exciting coil (21) is inserted into the pressurizing body (2), the voltage receiver (20) is fixedly connected to the side surface of the top end of the crawling ladder (10), the detection coil (22) is inserted into the voltage receiver (20), and the steel wire rope (14) penetrates through the detection coil (22) and the exciting coil (21).
3. The climbing-free wire rope detection apparatus according to claim 1, wherein: the damage types of the steel wire rope in the magnetic flux leakage image comprise broken wire damage, cage strand deformation damage, jumping wire damage, inner layer wire jumping damage and fatigue deformation damage.
4. The climbing-free wire rope detection apparatus according to claim 1, wherein: the flaw detector (30) comprises a flaw detector main body (300), an electric guide disc adjusting screw rod (301) is rotatably connected to the flaw detector main body (300), a guide disc adjusting nut (302) is connected to the electric guide disc adjusting screw rod (301) in a threaded mode, a guide disc (304) is connected to the guide disc adjusting nut (302) through a guide disc connecting rod piece (303), a guide disc sliding rod (305) is fixedly connected to the flaw detector main body (300), and the guide disc (304) is slidably connected to the guide disc sliding rod (305).
5. The climbing-free wire rope detection apparatus according to claim 1, wherein: the scanning frame (3) comprises two symmetrically arranged frame frames (31), the frame frames (31) are fixedly connected with scanning sliding blocks (310), the scanning sliding blocks (310) are vertically and slidably connected in scanning sliding block mounting grooves (311) of the crawling ladder (10), first driving pieces are arranged on the scanning sliding blocks (310) and used for driving the scanning sliding blocks (310) to slide along the scanning sliding block mounting grooves (311), and mounting and adjusting main bodies (32) are connected on the frame frames (31) in a left-right sliding mode.
6. The climbing-free wire rope detection apparatus according to claim 5, wherein: the installation adjusting body (32) comprises an installation shell (320), the installation shell (320) is connected on the frame (31) in a left-right sliding mode, a second driving piece is arranged on the installation shell (320) and used for driving the installation shell (320) to slide along the frame (31), a spacing adjusting screw rod (321) is connected in the installation shell (320) in a rotating mode, two groups of threads with opposite rotation directions are arranged on the spacing adjusting screw rod (321), spacing adjusting nuts (322) are connected to the two groups of threads with opposite rotation directions in a threaded mode respectively, an electric detection telescopic rod (323) is fixedly connected to the spacing adjusting nuts (322), and one end, far away from the spacing adjusting nuts (322), of the electric detection telescopic rod (323) is provided with a pressure sensing alarm head (324).
7. The climbing-free wire rope detection apparatus according to claim 6, wherein: the sliding key is connected with two symmetrically arranged first gears (325) on the interval adjusting screw (321), third driving parts are arranged on the first gears (325) and used for driving the first gears (325) to slide along the interval adjusting screw (321), clamping adjusting shafts (326) which are symmetrically arranged are rotationally connected with each other in the installation shell (320), second gears (327) are fixedly connected on the clamping adjusting shafts (326), the second gears (327) are used for being matched with the first gears (325), clamping head connecting bent rods (328) are connected to the clamping adjusting shafts (326) in a threaded mode, and one ends, far away from the clamping adjusting shafts (326), of the bent rods (328) are fixedly connected with clamping heads (329).
8. The climbing-free wire rope detection apparatus according to claim 1, wherein: still include clean maintenance mechanism of wire rope (4), clean maintenance mechanism of wire rope (4) bolted connection is on detecting instrument (30), clean maintenance mechanism of wire rope (4) include two symmetrical arrangement's clean maintenance mechanism casing (400), clean maintenance mechanism casing (400) bolted connection is on detecting instrument (30), clean maintenance mechanism casing (400) internal rotation is connected with position adjustment motor lead screw (401), rotate on position adjustment motor lead screw (401) and be connected with position adjustment nut (402), fixedly connected with L type connecting rod (403) on position adjustment nut (402), the one end fixedly connected with enclosure (404) that position adjustment nut (402) were kept away from to L type connecting rod (403), fixedly connected with enclosure guide arm (405) in clean maintenance mechanism casing (400), enclosure (404) sliding connection is on enclosure guide arm (405), be equipped with wire rope clean maintenance subassembly in enclosure (404).
9. The climbing-free wire rope detection apparatus according to claim 8, wherein: the wire rope cleaning and maintaining assembly comprises a lubricant feeding assembly and an smearing assembly (5), wherein the lubricant feeding assembly is used for supplying lubricant to the smearing assembly (5), the smearing assembly (5) comprises a semi-cylindrical plastic smearing execution piece (50), two ends of the semi-cylindrical plastic smearing execution piece (50) are fixedly connected with a fine adjustment rod (500), the fine adjustment rod (500) is slidably connected in a surrounding cylinder (404), a first electromagnet (501) is fixedly connected on the fine adjustment rod (500), a second electromagnet (502) is fixedly connected on the surrounding cylinder (404), and a compression elastic piece (503) is fixedly connected between the first electromagnet (501) and the second electromagnet (502).
10. The climbing-free wire rope detection apparatus according to claim 1, wherein: the lubricant feeding component comprises an extrusion piston (406), the extrusion piston (406) is slidingly connected in an extrusion cavity (407) of a surrounding barrel (404), a piston guide rod (408) is fixedly connected in the extrusion cavity (407), the extrusion piston (406) is slidingly connected on the piston guide rod (408), a first electric rotating shaft (409) is rotationally connected on the surrounding barrel (404), a first winding wheel (410) and a second winding wheel (413) are fixedly connected on the first electric rotating shaft (409), a first pulling winding wire (411) is wound on the first winding wheel (410), one end, far away from the first winding wheel (410), of the first pulling winding wire (411) is fixedly connected on the extrusion piston (406), a first reset elastic piece (412) is sleeved on the piston guide rod (408), one end, far away from the second winding wheel (413), of the second pulling winding wire (414) is fixedly connected with a flashboard (415), the flashboard (415) is slidingly connected in the extrusion cavity (407), a second reset elastic piece (416) is fixedly connected between the flashboard (415) and the inner wall of the extrusion cavity (407), a reset elastic piece (418) is arranged on the flashboard (415), and a reset hole (418) is arranged on the reset flashboard (417), the inner wall of the extrusion cavity (407) is slidably connected with an electric positioning block (420), the electric positioning block (420) is fixedly connected with the inner wall of the extrusion cavity (407) through a spring, a discharging bin (421) and a spray head (422) are arranged in the surrounding cylinder (404), and two ends of the discharging bin (421) are respectively communicated with the extrusion cavity (407) and the spray head (422) through a pipe cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310697361.5A CN116973439A (en) | 2023-06-12 | 2023-06-12 | Wire rope detection device of climbing-free device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310697361.5A CN116973439A (en) | 2023-06-12 | 2023-06-12 | Wire rope detection device of climbing-free device |
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| CN116973439A true CN116973439A (en) | 2023-10-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117415710A (en) * | 2023-12-19 | 2024-01-19 | 江苏东禾特种设备科技有限公司 | Bridge portal crane wire rope detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117415710A (en) * | 2023-12-19 | 2024-01-19 | 江苏东禾特种设备科技有限公司 | Bridge portal crane wire rope detection device |
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