CN112978530B - Elevator tows wire rope electromagnetic detection device - Google Patents
Elevator tows wire rope electromagnetic detection device Download PDFInfo
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- CN112978530B CN112978530B CN202110137307.6A CN202110137307A CN112978530B CN 112978530 B CN112978530 B CN 112978530B CN 202110137307 A CN202110137307 A CN 202110137307A CN 112978530 B CN112978530 B CN 112978530B
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- 238000001514 detection method Methods 0.000 title claims abstract description 131
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000005192 partition Methods 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000279 safety data Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an electromagnetic detection device for an elevator traction steel wire rope, which comprises a detection component and a support component, wherein the steel wire rope penetrates through the detection component, the support components are arranged on two sides of the detection component, the detection component is rotationally connected with the steel wire rope, the detection component moves on the steel wire rope, and the support component is used for fixing the position of the detection component in an elevator shaft. The detection component moves on the steel wire rope to realize the safety detection of the steel wire rope between the elevator car and the traction system, and meanwhile, the detection component detects the tensioning force of the steel wire rope and stays at any position in the elevator shaft through the supporting component, so that the safety detection is more comprehensive and the detection range is wider.
Description
Technical Field
The invention relates to the technical field of elevator steel wire rope detection, in particular to an electromagnetic detection device for an elevator traction steel wire rope.
Background
In daily life, people can touch various types of elevators, such as an escalator, a cargo lift, a manned lift and the like, wherein the manned lift is the most widely used elevator. The steel cords are more known as "high risk components" as an important component of an elevator, in connection with the life of the elevator user. Therefore, safety inspection and maintenance of the wire rope are extremely important.
In the use process of the elevator steel wire rope, the elevator steel wire rope can be damaged by abrasion, wire breakage, rust, fatigue and the like, and the phenomenon of uneven stress of the elevator steel wire rope exists, and the existence of the problems seriously affects the production safety, even endangers the equipment and personal safety, and causes huge economic loss and bad social influence. In addition, the bending degree and the movement speed of the steel wire rope have influence on the internal abrasion of the steel wire rope. Therefore, it is important to detect damage to the elevator wire rope, detect the speed, and detect the tension.
At present, the detection of the elevator steel wire rope mainly detects single data of damage or tension of the steel wire rope, and a device for detecting the damage, the speed and the tension at the same time does not exist.
Moreover, the existing damage detection device is mostly fixed in an elevator shaft, so that the damage detection device detects the steel wire rope at a fixed position, the detection range of the damage detection device to the steel wire rope is smaller, and the complete safety data detection of the steel wire rope cannot be performed.
Disclosure of Invention
The invention aims to provide an electromagnetic detection device for an elevator traction steel wire rope, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an elevator tows wire rope electromagnetic detection device, this electromagnetic detection device includes detection subassembly, supporting component, and wire rope passes detection subassembly, detection subassembly both sides all are provided with supporting component, detection subassembly and wire rope rotate to be connected, detection subassembly removes on wire rope, supporting component fixes the position of detection subassembly in the elevator shaft. The detection component moves on the steel wire rope to realize the safety detection of the steel wire rope between the elevator car and the traction system, and meanwhile, the detection component detects the tensioning force of the steel wire rope and stays at any position in the elevator shaft through the supporting component, so that the safety detection is more comprehensive and the detection range is wider.
Every group supporting component all includes the supporting shell, the supporting shell is fixed with the detection component, be provided with two sets of mounting panels in the supporting shell, every group all be provided with two sets of electronic jars on the mounting panel, every group the telescopic link of electronic jar has all run through push pedal, gasbag, baffle in proper order, and the other end of telescopic link is provided with the heel brace, the baffle is fixed with the mounting panel, the heel brace is located the supporting shell outside, is provided with the air cushion on the heel brace, air cushion and gasbag pipe connection. The support shell provides support for the installation of mounting panel, and the electric jar provides power for stretching out of heel brace, makes heel brace and elevator shaft inner wall contact, and the baffle is fixed on the mounting panel, and when the telescopic link stretched out, extrudeed the gasbag through the push pedal, makes the gas in the gasbag enter into the air cushion, heel brace and elevator shaft inner wall contact under the support of telescopic link to fix the detection component in the elevator shaft, air in the gasbag enters into the air cushion, makes the air cushion inflation, and then increases the supporting force between heel brace and the elevator shaft inner wall, makes heel brace laminating elevator shaft inner wall more.
The foot support is characterized in that a mounting groove is formed in the foot support, a reverse cylinder and a U-shaped supporting frame are arranged in the mounting groove from inside to outside, the direction cylinder is fixed with the U-shaped supporting frame, a roller is arranged on the U-shaped supporting frame, the reverse cylinder is connected with an air bag pipeline, a through groove is formed in the middle of the air cushion, corresponding to the position of the mounting groove, and one end of the roller extends out of the foot support and the air cushion. The reverse jar is connected with the gasbag pipeline, and when the gasbag was to the air cushion in the infusion air, reverse jar was pulled into the mounting groove with the gyro wheel in, simultaneously, the U type support frame was through the external air of mounting groove extraction, formed the negative pressure in the messenger mounting groove, and the air cushion is owing to the infusion air, makes the air cushion laminate the elevator shaft inner wall more, has improved the leakproofness, makes the fixed effect of supporting component to detecting component further improve.
The wireless charging assembly is electrically connected with the control assembly, the camera is electrically connected with the control assembly, and the control assembly is electrically connected with the detection assembly; the reverse cylinder comprises a reverse cylinder body and a reverse ring arranged in the reverse cylinder body, a reverse cylinder rod is arranged in the reverse ring, the other end of the reverse cylinder rod extends out of the reverse cylinder body, and a U-shaped gas channel is formed between the reverse ring and the reverse cylinder body.
The detection assembly comprises a detection shell, through holes are correspondingly formed in the upper end face and the lower end face of the detection shell, a lower partition plate, a bearing plate, a partition plate and an upper partition plate are arranged in the detection shell from bottom to top, through holes are formed in the lower partition plate, the bearing plate, the partition plate and the upper partition plate, tension detection assemblies are arranged between the upper partition plate and the detection shell and between the lower partition plate and the detection shell, and the tension detection assemblies detect the tension of the steel wire rope.
The tensioning force detection assembly comprises four groups of support plates, three groups of tensioning grooves are formed in each support plate, an upper group of tensioning grooves and a lower group of tensioning grooves are respectively provided with an extension cylinder, elastic connecting pieces are arranged on the extension cylinders, support rods are arranged on the elastic connecting pieces, the other ends of the support rods extend out of one sides of the support plates and are provided with pulleys, a middle group of tensioning grooves are respectively provided with tensioning cylinders, telescopic rods of the tensioning cylinders extend out of the other sides of the support plates and are provided with pulleys, a group of tensioning cylinders are arranged on one side inner wall of the inside of the detection shell, and two groups of tensioning cylinders are arranged on the other side inner wall of the inside of the detection shell. Stretching out jar and tensioning jar and being electric telescopic jar, detecting stretching out the jar of the inside below of casing and carrying out the centre gripping to wire rope through bracing piece and tensioning jar, prevent that wire rope from detecting inside rocking of casing, simultaneously, still be provided with pressure sensor on stretching out the pole of tensioning jar, when need detect the tensioning force, detect the telescopic cylinder of the inside top of casing and the telescopic link of tensioning jar and stretch out, the tensioning jar detects pressure through pressure sensor, and then detects wire rope's tensioning force.
Six groups of supporting plates are arranged between the lower partition plate and the bearing plate, bases are arranged on the mutually opposite end faces of every two groups of supporting plates, power wheels are arranged on the bases, the power wheels are rotationally connected with the steel wire ropes, and the power wheels are electrically connected with the control assembly.
Each group of power wheel comprises an outer wheel and an inner shaft arranged in the outer wheel, the inner shaft is fixed with the base, a shaft sleeve is arranged on the inner shaft, four groups of iron cores are arranged on the shaft sleeve, each group of iron cores is provided with a coil, the outer wheel is rotationally connected with the inner shaft, two groups of permanent magnets are arranged on the inner wall of the outer wheel, the magnetic poles of the two groups of permanent magnets are opposite, and the coils are electrically connected with the control assembly. When the coil passes through the current which constantly changes, a constantly switched magnetic field exists around the iron core, the permanent magnet on the outer wheel is attracted through the magnetic field, so that the outer wheel rotates on the inner shaft, the detection assembly moves on the steel wire rope, when the detection assembly is fixed in the elevator shaft through the supporting assembly, the steel wire rope drives the outer wheel to rotate under the traction of the traction system, the coil cuts a magnetically induced line, current is generated, the current is conveyed to the input circuit, the control assembly detects the rotating speed of the outer wheel through the analysis of the current, and the detection of the moving speed of the steel wire rope is further realized.
The control assembly comprises a switching circuit, an output circuit and an input circuit, wherein the output circuit and the input circuit are electrically connected with the coil, the output circuit enables current to flow into the coil, the input circuit receives current flowing out of the coil, the switching circuit switches connection between the output circuit and the coil and connection between the input circuit and the coil, the control assembly detects the current in the input circuit, and the control assembly detects the movement speed of the steel wire rope.
An excitation assembly is arranged between the bearing plate and the isolation plate, and a magnetic leakage detection assembly is arranged between the isolation plate and the upper partition plate.
Compared with the prior art, the invention has the following beneficial effects:
1. in the application, three functions of wire rope flaw detection, wire rope tension detection and wire rope speed detection are integrated on one detection device, and when detection work is carried out, detection in three directions can be completed by using one device, so that the cost is saved; the detection device moves on the steel wire rope to realize the safety detection of the steel wire rope between the elevator car and the traction system, and the detection assembly stays at any position in the elevator shaft through the support assembly, so that the safety detection is more comprehensive and the detection range is wider.
2. The detection assembly is fixed inside the elevator shaft through the supporting assembly, the steel wire rope drives the outer wheel to rotate under the traction of the traction system, so that the coil cuts the magnetic induction wire, current is generated, the current is conveyed to the input circuit, the control assembly detects the rotation speed of the outer wheel through the analysis of the current, and the detection of the movement speed of the steel wire rope is realized.
3. The stretching out jar of detecting the inside below of casing carries out the centre gripping to wire rope through bracing piece and tensioning jar mutually supporting, prevents that wire rope from inside rocking at detecting the casing, when need detecting the tensioning force, detects the telescopic cylinder of the inside top of casing and the telescopic link of tensioning jar and stretches out, and the tensioning jar detects pressure through pressure sensor, and then detects wire rope's tensioning force.
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 schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the support assembly of the present invention;
FIG. 4 is a schematic view of the structure of the reversing cylinder of the present invention;
FIG. 5 is a schematic view of a portion of the structure of the support assembly of the present invention;
FIG. 6 is a schematic structural view of the detection assembly of the present invention;
FIG. 7 is a schematic view of the structure of the area A of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic diagram of the power wheel and wire rope configuration of the present invention;
fig. 9 is a schematic view of the structure of the power wheel of the present invention.
In the figure: 1. a detection assembly; 2. a support assembly; 3. a wire rope; 1-1, detecting a shell; 1-2, lower partition plates; 1-3, a bearing plate; 1-4, a separation plate; 1-5, upper partition plates; 1-6, tensioning cylinder; 1-7, supporting plates; 1-8, extending out of the cylinder; 1-9, a supporting plate; 1-10, a power wheel; 1-11, supporting rods; 1-12, a base; 1-101, an outer wheel; 1-102, an inner shaft; 1-103, shaft sleeve; 1-104, an iron core; 2-1, a supporting shell; 2-2, an electric cylinder; 2-3, pushing plate; 2-4, an air bag; 2-5, baffle plates; 2-6, a foot support; 2-7, air cushion; 2-8, idler wheels; 2-9, a reverse cylinder; 2-10, a camera; 2-11, a wireless charging assembly; 2-91, a reverse cylinder; 2-92, a reverse cylinder rod; 2-93, reverse loop.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides the following technical solutions: the utility model provides an elevator tows wire rope electromagnetic detection device, this electromagnetic detection device includes detection subassembly 1, supporting component 2, and wire rope 3 passes detection subassembly 1, and supporting component 2 is all installed to detection subassembly 1 both sides, and detection subassembly 1 rotates with wire rope 3 to be connected, and detection subassembly 1 moves on wire rope 3, and supporting component 2 fixes the position of detection subassembly 1 in the elevator shaft.
The detection assembly 1 comprises a detection shell 1-1, five groups of through holes are correspondingly formed in the upper end face and the lower end face of the detection shell 1-1, a lower partition board 1-2, a bearing board 1-3, a partition board 1-4 and an upper partition board 1-5 are installed in the detection shell 1-1 from bottom to top, five groups of through holes are respectively formed in the lower partition board 1-2, the bearing board 1-3, the partition board 1-4 and the upper partition board 1-5, a tension detection assembly is installed between the upper partition board 1-5 and the detection shell 1-1 and between the lower partition board 1-2 and the detection shell 1-1, and the tension detection assembly detects the tension of a steel wire rope.
An excitation component is arranged between the bearing plate 1-3 and the isolation plate 1-4, a magnetic leakage detection component is arranged between the isolation plate 1-4 and the upper partition plate 1-5, the excitation component magnetizes the steel wire rope, the magnetic leakage detection component comprises a magnetic field planning part and a magnetic leakage detection part, and the excitation component and the magnetic leakage detection component are both in the prior art.
The tensioning force detection assembly comprises four groups of support plates 1-7, three groups of tensioning grooves are formed in each group of support plates 1-7, the opening directions of the upper group of tensioning grooves and the lower group of tensioning grooves are opposite to those of the middle group of tensioning grooves, an extension cylinder 1-8 is arranged in each of the upper group of tensioning grooves and the lower group of tensioning grooves, an elastic connecting piece is arranged on each of the extension cylinders 1-8, a support rod 1-11 is arranged on the other side of each of the elastic connecting pieces, the other end of each of the support rods 1-11 extends from the left side of each of the support plates 1-7 and is rotatably provided with a pulley, a telescopic rod of each of the tensioning cylinders 1-6 extends from the right side of each of the support plates 1-7 and is rotatably provided with a pulley, and a group of tensioning cylinders 1-6 are arranged on the inner wall of the left side of the inside of the detection shell 1-1, and two groups of tensioning cylinders 1-6 are arranged on the inner wall of the right side of the inside of the detection shell 1-1.
The telescopic rod of the tensioning cylinder 1-6 is also provided with a pressure sensor, and the tensioning cylinder 1-6 and the extending cylinder 1-8 are electric telescopic cylinders.
The elastic connecting piece consists of two groups of clamping plates and one group of elasticity, the spring is positioned between the two groups of clamping plates and is fixed with the two groups of clamping plates, one group of clamping plates is fixed with the telescopic rod extending out of the cylinder 1-8, and the other group of clamping plates is provided with the supporting rod 1-11.
Six groups of support plates 1-9 are arranged between the lower partition plate 1-2 and the bearing plate 1-3, bases 1-12 are fixedly arranged on the mutually opposite end surfaces of each two groups of support plates 1-9, power wheels 1-10 are rotatably arranged on each group of bases 1-12, and the power wheels 1-10 are rotatably connected with a steel wire rope.
Each group of power wheels 1-10 comprises an outer wheel 1-101 and an inner shaft 1-102 rotatably arranged in the outer wheel 1-101, the inner shaft 1-102 is fixed with a base 1-12, the outer wheel 1-101 is rotatably connected with the inner shaft 1-102, a shaft sleeve 1-103 is arranged on the inner shaft 1-102, four groups of iron cores 1-104 are arranged on the shaft sleeve 1-103, coils are wound on each group of iron cores 1-104, two groups of permanent magnets are fixed on the inner wall of the outer wheel 1-101, and the magnetic poles of the two groups of permanent magnets are opposite.
Each group of support components 2 comprises a support shell 2-1, the support shells 2-1 are fixed with the detection shells 1-1, two groups of mounting plates are mounted in the support shells 2-1 in the vertical direction, two groups of electric cylinders 2-2 are mounted on each group of mounting plates, telescopic rods of each group of electric cylinders 2-2 sequentially penetrate through a push plate 2-3, an air bag 2-4 and a baffle plate 2-5, a foot rest 2-6 is fixed at the other end of each telescopic rod, the baffle plate 2-5 is fixed with the mounting plates, the push plate 2-3 is in sliding connection with the mounting plates, the foot rest 2-6 is positioned on the outer side of the support shells 2-1, an air cushion 2-7 is mounted on the foot rest 2-1, and the air cushion 2-7 is in pipeline connection with the air bag 2-4.
The foot support 2-6 is provided with a mounting groove, a reverse cylinder 2-9 and a U-shaped support frame are arranged in the mounting groove from inside to outside, the direction cylinder 2-9 is fixed with the U-shaped support frame, the U-shaped support frame is rotatably provided with a roller wheel 2-8, the reverse cylinder 2-9 is connected with an air bag 2-4 through a pipeline, the middle part of the air cushion 2-7 is provided with a through groove corresponding to the position of the mounting groove, one end of the roller wheel 2-8 extends out of the foot support 2-6 and the air cushion 2-7, and the U-shaped support frame is in compact contact with the inner wall of the mounting groove.
The supporting shell 2-1 is internally provided with a control component, a wireless charging component 2-11 and a camera 2-10, the wireless charging component 2-11 is electrically connected with the control component, the camera 2-10 is electrically connected with the control component, the control component is electrically connected with the detecting component 1, the camera 2-10 detects the condition in the elevator shaft and detects the distance between the detecting shell 1-1 and the elevator car at the same time, the detecting device is prevented from colliding with the elevator car, and the wireless charging component 2-11 can wirelessly charge with an external elevator control system.
The reverse cylinder 2-9 comprises a reverse cylinder body 2-91 and a reverse ring 2-93 arranged in the reverse cylinder body 2-91, a reverse cylinder rod 2-92 is slidably arranged in the reverse ring 2-93, the other end of the reverse cylinder rod 2-92 extends out of the reverse cylinder body 2-91, and a U-shaped gas channel is formed between the reverse ring 2-93 and the reverse cylinder body 2-91.
The control assembly comprises a switching circuit, an output circuit and an input circuit, wherein the coil, the extension cylinder 1-8, the tensioning cylinder 1-6, the electric cylinder 2-2, the pressure sensor and the control assembly are electrically connected, the excitation assembly and the magnetic leakage detection assembly are also electrically connected with the control assembly, the output circuit and the input circuit are electrically connected with the coil, the output circuit enables current to flow into the coil, the input circuit receives the current flowing out of the coil, the switching circuit switches the connection between the output circuit and the coil and the connection between the input circuit and the coil, the control assembly detects the current in the input circuit, and the control assembly detects the movement speed of the steel wire rope.
The working principle of the invention is as follows: when the elevator does not work, the steel wire rope passes through the detection assembly 1, and when the elevator does not work, the control assembly controls the coil to flow current, so that the outer wheel 1-101 rotates, the detection housing 1-1 moves up and down in the elevator shaft through the rotation of the power wheel 1-10, in the moving process, the tensioning cylinder 1-6 is matched with the extension cylinder 1-8 to clamp the steel wire rope, so that the steel wire rope cannot shake in the detection housing 1-1, and meanwhile, the idler wheels 2-8 in the foot supports 2-6 are in contact with the inner wall of the elevator shaft, so that the detection device is prevented from shaking in the elevator shaft.
Electromagnetic detection is carried out on the steel wire rope through the excitation component and the magnetic leakage detection component, so that nondestructive detection on the steel wire rope is realized.
When the elevator works, the telescopic rod of the electric cylinder 2-2 stretches out to enable the heel brace 2-6 to be in contact with the inner wall of the elevator shaft, meanwhile, the pushing plate 2-3 extrudes the air bag 2-4 to enable air to enter the air cushion 2-7 and the reverse cylinder 2-9, the air cushion 2-7 fills a gap between the heel brace 2-2 and the inner wall of the elevator shaft, the reverse cylinder 2-9 drives the idler wheel 2-8 to shrink inwards, negative pressure is generated in the installation groove, and therefore connection strength between the supporting component 2 and the elevator shaft is increased, and the detection component 1 is stably fixed in the elevator shaft.
When the distance between the elevator car and the detection assembly 1 is relatively short, the telescopic rods of the extension cylinder 1-8 and the tensioning cylinder 1-6 extend, so that the detection device is fixed on the steel wire rope, and at the same time, the foot support 2-6 is retracted, the position fixing of the detection device in the elevator shaft is released, and the detection device moves together with the elevator car.
The detection device realizes the large-range safety detection of the steel wire rope through the movement on the steel wire rope.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An elevator tows wire rope electromagnetic detection device which characterized in that: the electromagnetic detection device comprises a detection component (1) and a supporting component (2), wherein a steel wire rope (3) penetrates through the detection component (1), the supporting components (2) are arranged on two sides of the detection component (1), the detection component (1) is rotationally connected with the steel wire rope (3), the detection component (1) moves on the steel wire rope (3), and the supporting component (2) is used for fixing the position of the detection component (1) in an elevator shaft;
each group of supporting components (2) comprises a supporting shell (2-1), the supporting shells (2-1) are fixed with the detecting components (1), the supporting shells (2-1) are internally provided with a control component, a wireless charging component (2-11) and a camera (2-10), the wireless charging component (2-11) is electrically connected with the control component, the camera (2-10) is electrically connected with the control component, and the control component is electrically connected with the detecting components (1);
the detection assembly (1) comprises a detection shell (1-1), through holes are correspondingly formed in the upper end face and the lower end face of the detection shell (1-1), a lower partition board (1-2), a bearing board (1-3), a partition board (1-4) and an upper partition board (1-5) are arranged in the detection shell (1-1) from bottom to top, through holes are formed in the lower partition board (1-2), the bearing board (1-3), the partition board (1-4) and the upper partition board (1-5), tension detection assemblies are arranged between the upper partition board (1-5) and the detection shell (1-1) and between the lower partition board (1-2) and the detection shell (1-1), and the tension detection assemblies detect the tension of a steel wire rope;
the tension detection assembly comprises four groups of support plates (1-7), three groups of tensioning grooves are formed in each group of support plates (1-7), an extending cylinder (1-8) is arranged in each of the upper group of tensioning grooves and the lower group of tensioning grooves, an elastic connecting piece is arranged on each extending cylinder (1-8), a support rod (1-11) is arranged on each elastic connecting piece, the other end of each support rod (1-11) extends out of one side of each support plate (1-7) and is provided with a pulley, a tensioning cylinder (1-6) is arranged in each tensioning groove in the middle group of tensioning grooves, a telescopic rod of each tensioning cylinder (1-6) extends out of the other side of each support plate (1-7) and is provided with a pulley, a group of tensioning cylinders (1-6) are arranged on the inner wall of one side of the inside of a detection shell (1-1), and two groups of tensioning cylinders (1-6) are arranged on the inner wall of the other side of the inside of the detection shell (1-1);
six groups of supporting plates (1-9) are arranged between the lower partition plate (1-2) and the bearing plate (1-3), bases (1-12) are arranged on the mutually opposite end surfaces of each two groups of supporting plates (1-9), power wheels (1-10) are arranged on each group of bases (1-12), the power wheels (1-10) are rotationally connected with the steel wire ropes, and the power wheels (1-10) are electrically connected with the control assembly;
each group of power wheels (1-10) comprises an outer wheel (1-101) and an inner shaft (1-102) arranged in the outer wheel (1-101), the inner shaft (1-102) is fixed with a base (1-12), a shaft sleeve (1-103) is arranged on the inner shaft (1-102), four groups of iron cores (1-104) are arranged on the shaft sleeve (1-103), each group of iron cores (1-104) is provided with a coil, the outer wheel (1-101) is rotationally connected with the inner shaft (1-102), two groups of permanent magnets are arranged on the inner wall of the outer wheel (1-101), the magnetic poles of the two groups of permanent magnets are opposite, and the coils are electrically connected with a control assembly;
the control assembly comprises a switching circuit, an output circuit and an input circuit, wherein the output circuit and the input circuit are electrically connected with the coil, the output circuit enables current to flow into the coil, the input circuit receives current flowing out of the coil, the switching circuit switches connection between the output circuit and the coil and connection between the input circuit and the coil, the control assembly detects the current in the input circuit, and the control assembly detects the movement speed of the steel wire rope.
2. The electromagnetic detection apparatus for an elevator traction wire rope according to claim 1, wherein: two groups of mounting plates are arranged in the supporting shell (2-1), two groups of electric cylinders (2-2) are arranged on each mounting plate, telescopic rods of the electric cylinders (2-2) are sequentially penetrated by a push plate (2-3), an air bag (2-4) and a baffle plate (2-5), a foot support (2-6) is arranged at the other end of each telescopic rod, the baffle plate (2-5) is fixed with the mounting plate, the foot support (2-6) is positioned on the outer side of the supporting shell (2-1), an air cushion (2-7) is arranged on the foot support (2-6), and the air cushion (2-7) is connected with the air bag (2-4) through a pipeline.
3. The electromagnetic detection apparatus for an elevator traction wire rope according to claim 2, wherein: the support is characterized in that a mounting groove is formed in each heel brace (2-6), a reverse cylinder (2-9) and a U-shaped support frame are arranged in the mounting groove from inside to outside, the reverse cylinder (2-9) is fixed with the U-shaped support frame, a roller (2-8) is arranged on the U-shaped support frame, the reverse cylinder (2-9) is connected with an air bag (2-4) through a pipeline, a through groove is formed in the middle of each air cushion (2-7) corresponding to the position of the mounting groove, and one end of each roller (2-8) extends out of each heel brace (2-6) and each air cushion (2-7).
4. An elevator traction wire rope electromagnetic detecting apparatus according to claim 3, wherein: the reverse cylinder (2-9) comprises a reverse cylinder body (2-91) and a reverse ring (2-93) arranged in the reverse cylinder body (2-91), a reverse cylinder rod (2-92) is arranged in the reverse ring (2-93), the other end of the reverse cylinder rod (2-92) extends out of the reverse cylinder body (2-91), and a U-shaped gas channel is formed between the reverse ring (2-93) and the reverse cylinder body (2-91).
5. The electromagnetic detection apparatus for an elevator traction wire rope according to claim 1, wherein: an excitation assembly is arranged between the bearing plate (1-3) and the isolation plate (1-4), and a magnetic flux leakage detection assembly is arranged between the isolation plate (1-4) and the upper isolation plate (1-5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110137307.6A CN112978530B (en) | 2021-02-01 | 2021-02-01 | Elevator tows wire rope electromagnetic detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110137307.6A CN112978530B (en) | 2021-02-01 | 2021-02-01 | Elevator tows wire rope electromagnetic detection device |
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| Publication Number | Publication Date |
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| CN112978530A CN112978530A (en) | 2021-06-18 |
| CN112978530B true CN112978530B (en) | 2024-01-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261218A (en) * | 2014-09-19 | 2015-01-07 | 洛阳泰斯特探伤技术有限公司 | Elevator steel wire rope online nondestructive detection device |
| CN206437741U (en) * | 2016-12-16 | 2017-08-25 | 重庆迈高电梯有限公司 | Elevator dragging wire rope is detected and cleaning refueling device |
| CN207451376U (en) * | 2017-11-13 | 2018-06-05 | 陈锋 | A kind of elevator dragging wire rope defect detecting device |
| CN109928284A (en) * | 2017-12-19 | 2019-06-25 | 杭州沪宁电梯部件股份有限公司 | Detection device for accidental movement of elevator cage and hypervelocity |
| CN209835348U (en) * | 2019-05-05 | 2019-12-24 | 广东省特种设备检测研究院中山检测院 | Elevator wire rope tension tester |
-
2021
- 2021-02-01 CN CN202110137307.6A patent/CN112978530B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261218A (en) * | 2014-09-19 | 2015-01-07 | 洛阳泰斯特探伤技术有限公司 | Elevator steel wire rope online nondestructive detection device |
| CN206437741U (en) * | 2016-12-16 | 2017-08-25 | 重庆迈高电梯有限公司 | Elevator dragging wire rope is detected and cleaning refueling device |
| CN207451376U (en) * | 2017-11-13 | 2018-06-05 | 陈锋 | A kind of elevator dragging wire rope defect detecting device |
| CN109928284A (en) * | 2017-12-19 | 2019-06-25 | 杭州沪宁电梯部件股份有限公司 | Detection device for accidental movement of elevator cage and hypervelocity |
| CN209835348U (en) * | 2019-05-05 | 2019-12-24 | 广东省特种设备检测研究院中山检测院 | Elevator wire rope tension tester |
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