CN115575223A - Elevator steel wire rope testing device based on Internet of things and testing method thereof - Google Patents
Elevator steel wire rope testing device based on Internet of things and testing method thereof Download PDFInfo
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- CN115575223A CN115575223A CN202211203304.9A CN202211203304A CN115575223A CN 115575223 A CN115575223 A CN 115575223A CN 202211203304 A CN202211203304 A CN 202211203304A CN 115575223 A CN115575223 A CN 115575223A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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Abstract
The invention belongs to the technical field of elevator steel wire rope testing, and particularly relates to an elevator steel wire rope testing device based on the Internet of things and a testing method thereof, wherein the elevator steel wire rope testing device comprises the following components: the steel wire rope tension testing device comprises a supporting structure, a fixing structure and a tension testing structure, wherein the supporting structure comprises a supporting bottom plate, the center of the upper end of the supporting bottom plate is fixedly connected with a vertical gantry support, shells for fixing steel wire ropes are arranged on the supporting bottom plates on two sides of the gantry support, and a base fixedly connected with the supporting bottom plate is arranged at the lower end of each shell. According to the invention, the position of the steel wire rope can be limited through the limiting component, the steel wire rope is prevented from moving or deviating in the test process, the accuracy of the tension test is improved, specifically, the wound steel wire rope is limited in position due to the influence of the limiting column, and is sufficiently fixed under the pressure of the extrusion block and the extrusion strip, so that the stability of the steel wire rope is improved, and the accuracy of the test result is facilitated.
Description
Technical Field
The invention relates to the technical field of elevator steel wire rope testing, in particular to an elevator steel wire rope testing device based on the Internet of things and a testing method thereof.
Background
At present, a traction machine is usually adopted for driving an elevator at home and abroad, a traction elevator suspension lifting system is composed of main components such as a traction wheel, a steel wire rope set, a lift car and a balance block system, and in order to avoid elevator safety accidents, the steel wire rope of the elevator needs to be subjected to tension detection before leaving a factory.
The existing device for detecting the tension of the elevator steel wire rope only fixes the steel wire rope through a screw, and the steel wire rope easily falls off due to overlarge tension during testing, so that the detection efficiency is reduced, the detection result is easily influenced, and in addition, when the steel wire rope is broken in the detection process, the broken steel wire rope can quickly impact other objects, and the damage to equipment or personnel can be possibly caused. Therefore, the elevator steel wire rope testing device and the elevator steel wire rope testing method based on the Internet of things are provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an elevator steel wire rope testing device based on the Internet of things and a testing method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an elevator wire rope testing arrangement based on thing networking, includes: the steel wire rope tension testing device comprises a supporting structure, a fixing structure and a tension testing structure, wherein the supporting structure comprises a supporting bottom plate, the center of the upper end of the supporting bottom plate is fixedly connected with a vertical gantry support, shells for fixing steel wire ropes are arranged on the supporting bottom plates on two sides of the gantry support, and a base fixedly connected with the supporting bottom plate is arranged at the lower end of each shell; the fixing structure comprises two limiting columns fixedly connected to the inner wall of the shell, the shell is of a left-right opening structure, the upper end face and the lower end face of the shell are both in a wave shape, wave troughs of the wave shape are correspondingly arranged between the two limiting columns, the steel wire rope is wound on the outer sides of the two limiting columns, limiting assemblies connected with the steel wire rope are arranged on the opposite side walls of the two shells, and a fixing assembly connected with the steel wire rope is arranged in the center of the inner wall of the shell; the tensile test structure comprises two strip-shaped grooves symmetrically connected to the inner wall of the gantry support, wherein movable blocks are connected to the strip-shaped grooves in a sliding mode, the upper ends of the two movable blocks are fixedly connected with U-shaped rods with the same notches facing downwards, a hydraulic cylinder connected with the U-shaped rods is arranged on the top wall of the gantry support, a guide bearing assembly connected with a steel wire rope is arranged between the two movable blocks, and the steel wire rope is connected with limiting assemblies on the shells on the two sides through the guide bearing assembly.
In the elevator steel wire rope testing device based on the internet of things, the steel wire rope is wound outside the two limiting columns, and the end parts of the steel wire rope are arranged at the lower ends of the limiting columns in parallel.
In foretell elevator wire rope testing arrangement based on thing networking, spacing subassembly includes L shape branch of fixed connection on the casing lateral wall, the one end of L shape branch extends to the opening part of casing and the vertical limiting plate of fixedly connected with, be provided with two spacing rings of cup jointing in the wire rope outside on the lateral wall of limiting plate.
In foretell elevator wire rope testing arrangement based on thing networking, fixed subassembly includes the hydraulic stem of fixed connection on the casing lateral wall, the piston end of hydraulic stem extends to in the casing and the extrusion piece of fixedly connected with I shape, fixedly connected with and the extrusion strip of wire rope contact on the lateral wall of extrusion piece, be provided with the arcwall face that offsets with the wire rope lateral wall on the lateral wall of extrusion strip.
In foretell elevator wire rope testing arrangement based on thing networking, the extrusion piece corresponds and sets up between two spacing posts, threaded connection has the fastening bolt who is used for fixed extrusion strip on the lateral wall of extrusion piece, fixedly connected with slipmat on the arcwall face inner wall of extrusion strip.
In foretell elevator wire rope testing arrangement based on thing networking, direction carrier assembly includes the branch of fixed connection on the movable block lateral wall, two the same guide roll of fixedly connected with between the branch, wire rope corresponds the upper end of connecting at the guide roll, be provided with the spigot surface the same with wire rope size on the lateral wall of guide roll, the upper end of spigot surface is provided with the pressure sensor with wire rope contact.
In foretell elevator wire rope testing arrangement based on thing networking, the through-hole of intercommunication about two is seted up to the upper end of U-shaped pole, and equal sliding connection has vertical L shape connecting rod in two through-holes, the upper end threaded connection of U-shaped pole has the fastening nut who fixes with L shape connecting rod, two fixedly connected with is same between the L shape connecting rod to set up in the rectangular block of guide roll upside, the notch has been seted up to the lower extreme of rectangular block, and fixedly connected with and the lower briquetting of wire rope laminating in the notch, the lower extreme of briquetting is provided with the contact surface the same with the wire rope size down.
In foretell elevator wire rope testing arrangement based on thing networking, be connected with vertical curb plate on the lateral wall of guide roll, and the upper end of curb plate personally submits the horizontality, the lower extreme laminating of rectangular block is connected in the upper end of curb plate when briquetting and wire rope laminating state down.
In foretell elevator wire rope testing arrangement based on thing networking, all be provided with the lug of arranging perpendicularly with wire rope on the lateral wall about the rectangular block, fixedly connected with and the parallel ripple baffle of wire rope on the lateral wall of lug, and the lower extreme of ripple baffle extends to the opening part of casing.
A testing method of an elevator steel wire rope testing device based on the Internet of things comprises the following steps:
s1, before a tensile test is carried out on a steel wire rope, two ends of the steel wire rope are wound outside two limiting posts in a shell, the upper end of the steel wire rope is correspondingly connected in a guide roller, a hydraulic rod is started, an extrusion strip on the side wall of an extrusion block limits the steel wire rope on the inner side of the shell, and the limiting plates on the side wall of the shell can further limit the position of the steel wire rope;
s2, measuring an initial pressure value of the steel wire rope through a pressure sensor after the position of the steel wire rope is limited, starting a hydraulic cylinder to enable the U-shaped rod to move upwards, and recording the change of the pressure sensor in real time in the moving process to test the tension of the steel wire rope;
and S3, if the steel wire rope is broken in the continuous upward movement process, recording the maximum tension value before the steel wire rope is broken, determining whether the maximum tension value belongs to the standard range, and in addition, the side wall of the rectangular block is provided with a corrugated baffle plate parallel to the steel wire rope, so that the steel wire rope can be prevented from splashing when the steel wire rope is broken.
Compared with the prior art, the elevator steel wire rope testing device and the elevator steel wire rope testing method based on the Internet of things have the advantages that:
1. according to the invention, the position of the steel wire rope can be limited through the limiting component, so that the steel wire rope is prevented from moving or deviating in the test process, the accuracy of the tension test is improved, specifically, the wound steel wire rope is influenced by the limiting column and limited in position, the steel wire rope is sufficiently fixed under the pressure of the extrusion block and the extrusion strip, the stability of the steel wire rope is improved, and the accuracy of the test result is facilitated;
2. according to the invention, the lower end of the U-shaped rod is provided with the lower pressing block connected with the steel wire rope, so that the stability of the steel wire rope can be further ensured, and the broken steel wire rope can be prevented from splashing to the outside to influence the use of other equipment through the use of the corrugated baffle.
Drawings
Fig. 1 is a schematic front side structure diagram of an elevator steel wire rope testing device based on the internet of things and a testing method thereof provided by the invention;
fig. 2 is a rear side structural schematic diagram of an elevator steel wire rope testing device and a testing method thereof based on the internet of things, which are provided by the invention;
fig. 3 is a shell internal structure diagram of the elevator steel wire rope testing device and the elevator steel wire rope testing method based on the internet of things, which are provided by the invention;
fig. 4 is a cross-sectional structure view of the steel wire rope connection of the elevator steel wire rope testing device and the testing method thereof based on the internet of things, which is provided by the invention;
fig. 5 is a cross-sectional structural view of the elevator steel wire rope testing device and the elevator steel wire rope testing method based on the internet of things, when the steel wire ropes are not connected;
fig. 6 is a schematic diagram of a tensile test structure of an elevator steel wire rope testing device and a testing method thereof based on the internet of things, which are provided by the invention;
fig. 7 is a sectional view of the internal structure of a housing of the elevator steel wire rope testing device based on the internet of things and the testing method thereof.
In the figure, 100 supporting structures, 101 supporting bottom plates, 102 gantry supports, 103 shells, 104 bases, 200 fixing structures, 201 limiting columns, 202L-shaped supporting rods, 203 limiting plates, 204 hydraulic rods, 205 extrusion blocks, 206 extrusion strips, 300 tension testing structures, 301 strip-shaped grooves, 302 movable blocks, 303U-shaped rods, 304 hydraulic cylinders, 305 guide rollers, 306L-shaped connecting rods, 307 rectangular blocks, 308 lower pressing blocks, 309 convex blocks and 310 corrugated baffles are adopted.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, an elevator wire rope testing device based on the internet of things includes: the supporting structure 100 comprises a supporting bottom plate 101, a vertical gantry support 102 is fixedly connected to the center of the upper end of the supporting bottom plate 101, a shell 103 used for fixing a steel wire rope is arranged on the supporting bottom plate 101 on two sides of the gantry support 102, and a base 104 fixedly connected with the supporting bottom plate 101 is arranged at the lower end of the shell 103.
Wherein, fixed knot constructs 200 includes two spacing posts 201 of fixed connection on the casing 103 inner wall, casing 103 is left right opening structure, the upper and lower both ends face of casing 103 all is the wave, and the wave trough correspondence sets up between two spacing posts 201, wire rope winding is in the outside of two spacing posts 201, it is concrete, be provided with the spacing subassembly of being connected with wire rope on the relative lateral wall of two casings 103, spacing subassembly includes L shape branch 202 of fixed connection on the casing 103 lateral wall, the one end of L shape branch 202 extends to the opening part of casing 103 and the vertical limiting plate 203 of fixedly connected with, be provided with two spacing rings of cup jointing in the wire rope outside on the lateral wall of limiting plate 203, can carry on spacingly to wire rope's position through spacing subassembly, avoid wire rope to appear the condition of removal or skew in the test procedure, improve the accurate nature of tensile test.
Further, a fixing component connected with the steel wire rope is arranged in the center of the inner wall of the shell 103, the fixing component comprises a hydraulic rod 204 fixedly connected to the side wall of the shell 103, a piston end of the hydraulic rod 204 extends into the shell 103 and is fixedly connected with an I-shaped extrusion block 205, an extrusion strip 206 in contact with the steel wire rope is fixedly connected to the side wall of the extrusion block 205, an arc-shaped surface which is abutted to the side wall of the steel wire rope is arranged on the side wall of the extrusion strip 206, specifically, the extrusion block 205 is correspondingly arranged between the two limiting columns 201, a fastening bolt for fixing the extrusion strip 206 is in threaded connection with the side wall of the extrusion block 205, an anti-slip pad is fixedly connected to the inner wall of the arc-shaped surface of the extrusion strip 206, the steel wire rope wound on the limiting columns 201 can be further fixed through the use of the extrusion block 205 and the extrusion strip 206, the wound steel wire rope is influenced by the limiting columns 201 to be limited in position, and is sufficiently fixed under the pressure of the extrusion block 205 and the extrusion strip 206, the stability of the steel wire rope is improved, and the accuracy of a test result is facilitated.
The tensile test structure 300 comprises two strip-shaped grooves 301 symmetrically connected to the inner wall of the gantry support 102, two movable blocks 302 are connected to the inner wall of each strip-shaped groove 301 in a sliding mode, the upper ends of the two movable blocks 302 are fixedly connected with U-shaped rods 303 with the same notch facing downwards, hydraulic cylinders 304 connected with the U-shaped rods 303 are arranged on the top wall of the gantry support 102, guide bearing assemblies connected with steel wire ropes are arranged between the two movable blocks 302, the steel wire ropes are connected with limiting assemblies on the two side shells 103 through the guide bearing assemblies, each guide bearing assembly comprises supporting rods fixedly connected to the side walls of the corresponding movable blocks 302, the same guide roller 305 is fixedly connected between the two supporting rods, the steel wire ropes are correspondingly connected to the upper ends of the guide rollers 305, guide surfaces with the same size as the steel wire ropes are arranged on the side walls of the guide rollers 305, pressure sensors in contact with the steel wire ropes are arranged at the upper ends of the guide surfaces, the tensile test of the steel wire ropes through the tensile test structure, the pressure sensors are connected with an external controller and a display, wherein the transmission process of the pressure sensors is the prior art, and can monitor the tensile numerical values in real time.
Further, two through holes which are communicated up and down are formed in the upper end of the U-shaped rod 303, vertical L-shaped connecting rods 306 are connected in the two through holes in a sliding mode, fastening nuts which are fixed with the L-shaped connecting rods 306 are connected to the upper end of the U-shaped rod 303 through threads, a rectangular block 307 which is arranged on the upper side of the guide roller 305 is fixedly connected between the two L-shaped connecting rods 306, a notch is formed in the lower end of the rectangular block 307, a lower pressing block 308 which is attached to a steel wire rope is fixedly connected in the notch, a contact surface which is the same as the size of the steel wire rope is arranged at the lower end of the lower pressing block 308, vertical side plates are connected to the side wall of the guide roller 305, the upper end of each side plate is horizontal, the lower end of the rectangular block 307 is attached to the upper end of each side plate when the lower pressing block 308 is attached to the steel wire rope, protruding blocks 309 which are arranged perpendicular to the steel wire rope are arranged on the left side wall and the right side wall of each rectangular block 307, corrugated baffles 310 which are parallel to the steel wire rope are fixedly connected to the side wall of the corrugated baffles 310, the lower ends of the corrugated baffles 310 extend to openings of the shell 103, the U-shaped rod 303, the corrugated baffles can be replaced by using other corrugated plastic baffles which are easily splashed materials, and can be prevented from being used when the steel wire rope is broken, and used.
A testing method of an elevator steel wire rope testing device based on the Internet of things comprises the following steps:
s1, before a tensile test is carried out on a steel wire rope, two ends of the steel wire rope are wound outside two limiting columns 201 in a shell 103, the upper end of the steel wire rope is correspondingly connected into a guide roller 305, a hydraulic rod 204 is started, so that an extrusion strip 206 on the side wall of an extrusion block 205 limits the steel wire rope on the inner side of the shell 103, and a limiting plate 203 on the side wall of the shell 103 can further limit the position of the steel wire rope;
s2, measuring an initial pressure value of the steel wire rope through a pressure sensor after the position of the steel wire rope is limited, starting a hydraulic cylinder 304 to enable a U-shaped rod 303 to move upwards, recording the change of the pressure sensor in real time in the moving process, and testing the tension of the steel wire rope;
and S3, if the steel wire rope is broken in the continuous upward movement process, recording the maximum tension value before the steel wire rope is broken, determining whether the maximum tension value belongs to the standard range, and in addition, the side wall of the rectangular block 307 is provided with a corrugated baffle 310 parallel to the steel wire rope, so that the steel wire rope can be prevented from splashing when the steel wire rope is broken.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides an elevator wire rope testing arrangement based on thing networking which characterized in that includes:
the supporting structure (100) comprises a supporting bottom plate (101), a vertical gantry support (102) is fixedly connected to the center of the upper end of the supporting bottom plate (101), shells (103) used for fixing steel wire ropes are arranged on the supporting bottom plates (101) on two sides of the gantry support (102), and a base (104) fixedly connected with the supporting bottom plate (101) is arranged at the lower end of each shell (103);
the fixing structure (200) comprises two limiting columns (201) fixedly connected to the inner wall of the shell (103), the shell (103) is of a left-right opening structure, the upper end face and the lower end face of the shell (103) are wavy, wavy wave troughs are correspondingly arranged between the two limiting columns (201), the steel wire rope is wound on the outer sides of the two limiting columns (201), limiting components connected with the steel wire rope are arranged on the opposite side walls of the two shells (103), and a fixing component connected with the steel wire rope is arranged in the center of the inner wall of the shell (103);
the tensile test structure (300) comprises two strip-shaped grooves (301) symmetrically connected to the inner wall of a gantry support (102), wherein movable blocks (302) are connected to the two strip-shaped grooves (301) in a sliding mode, the upper ends of the two movable blocks (302) are fixedly connected with U-shaped rods (303) with the same notch facing downwards, hydraulic cylinders (304) connected with the U-shaped rods (303) are arranged on the top wall of the gantry support (102), guide bearing assemblies connected with steel wire ropes are arranged between the two movable blocks (302), and the steel wire ropes are connected with limiting assemblies on shells (103) on two sides through the guide bearing assemblies.
2. The elevator steel wire rope testing device based on the Internet of things of claim 1, wherein the steel wire rope is wound outside the two limiting columns (201), and the end parts of the steel wire rope are arranged at the lower ends of the limiting columns (201) in parallel.
3. The elevator steel wire rope testing device based on the Internet of things according to claim 2, wherein the limiting assembly comprises an L-shaped supporting rod (202) fixedly connected to the side wall of the shell (103), one end of the L-shaped supporting rod (202) extends to an opening of the shell (103) and is fixedly connected with a vertical limiting plate (203), and two limiting rings sleeved outside the steel wire rope are arranged on the side wall of the limiting plate (203).
4. The Internet of things-based elevator steel wire rope testing device according to claim 3, wherein the fixing component comprises a hydraulic rod (204) fixedly connected to the side wall of the shell (103), the piston end of the hydraulic rod (204) extends into the shell (103) and is fixedly connected with an I-shaped extrusion block (205), an extrusion strip (206) in contact with the steel wire rope is fixedly connected to the side wall of the extrusion block (205), and an arc-shaped surface abutting against the side wall of the steel wire rope is arranged on the side wall of the extrusion strip (206).
5. The Internet of things-based elevator steel wire rope testing device according to claim 4, wherein the extrusion block (205) is correspondingly arranged between two limiting columns (201), a fastening bolt for fixing the extrusion strip (206) is in threaded connection with the side wall of the extrusion block (205), and an anti-slip mat is fixedly connected to the inner wall of the arc-shaped surface of the extrusion strip (206).
6. The elevator steel wire rope testing device based on the internet of things of claim 1, wherein the guiding and bearing assembly comprises supporting rods fixedly connected to the side wall of the movable block (302), a same guiding roller (305) is fixedly connected between the two supporting rods, the steel wire rope is correspondingly connected to the upper end of the guiding roller (305), a guiding surface with the same size as the steel wire rope is arranged on the side wall of the guiding roller (305), and a pressure sensor in contact with the steel wire rope is arranged at the upper end of the guiding surface.
7. The elevator steel wire rope testing device based on the Internet of things of claim 6, wherein two through holes which are communicated up and down are formed in the upper end of the U-shaped rod (303), vertical L-shaped connecting rods (306) are connected in the two through holes in a sliding mode, a fastening nut fixed with the L-shaped connecting rods (306) is connected to the upper end of the U-shaped rod (303) in a threaded mode, a rectangular block (307) arranged on the upper side of the guide roller (305) is fixedly connected between the two L-shaped connecting rods (306), a notch is formed in the lower end of the rectangular block (307), a lower pressing block (308) attached to a steel wire rope is fixedly connected to the notch, and a contact surface with the steel wire rope in the same size is arranged at the lower end of the lower pressing block (308).
8. The elevator steel wire rope testing device based on the Internet of things of claim 7, wherein a vertical side plate is connected to the side wall of the guide roller (305), the upper end surface of the side plate is horizontal, and the lower end of the rectangular block (307) is attached to the upper end of the side plate when the lower pressing block (308) is attached to the steel wire rope.
9. The elevator steel wire rope testing device based on the Internet of things of claim 8, wherein the left side wall and the right side wall of the rectangular block (307) are provided with protruding blocks (309) which are vertically arranged with a steel wire rope, the side walls of the protruding blocks (309) are fixedly connected with corrugated baffles (310) which are parallel to the steel wire rope, and the lower ends of the corrugated baffles (310) extend to the opening of the shell (103).
10. A testing method of an elevator steel wire rope testing device based on the Internet of things is characterized by comprising the following steps:
s1, before a steel wire rope is subjected to tension test, two ends of the steel wire rope are wound outside two limiting columns (201) in a shell (103), the upper end of the steel wire rope is correspondingly connected into a guide roller (305), a hydraulic rod (204) is started to enable an extrusion strip (206) on the side wall of an extrusion block (205) to limit the steel wire rope on the inner side of the shell (103), and a limiting plate (203) on the side wall of the shell (103) can further limit the position of the steel wire rope;
s2, measuring an initial pressure value of the steel wire rope through a pressure sensor after the position of the steel wire rope is limited, starting a hydraulic cylinder (304) to enable a U-shaped rod (303) to move upwards, and recording the change of the pressure sensor in real time in the moving process to test the tension of the steel wire rope;
and S3, if the steel wire rope is broken in the continuous upward movement process, recording the maximum tension value before the steel wire rope is broken, determining whether the maximum tension value belongs to the standard range, and in addition, a corrugated baffle (310) parallel to the steel wire rope is arranged on the side wall of the rectangular block (307), so that the steel wire rope can be prevented from splashing when the steel wire rope is broken.
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| CN202211203304.9A CN115575223B (en) | 2022-09-29 | 2022-09-29 | Elevator steel wire rope testing device and method based on Internet of things |
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| CN202211203304.9A CN115575223B (en) | 2022-09-29 | 2022-09-29 | Elevator steel wire rope testing device and method based on Internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907827A (en) * | 2023-09-14 | 2023-10-20 | 贵州省公路工程集团有限公司 | Dynamic testing device and method for detachable anchor point device |
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| CN212871571U (en) * | 2020-10-24 | 2021-04-02 | 杨佐 | Steel wire rope tension detection device for hoisting machinery inspection |
| CN112485137A (en) * | 2020-11-09 | 2021-03-12 | 褚乃久 | Elevator tows wire rope detection device |
| CN214096454U (en) * | 2020-12-29 | 2021-08-31 | 苏州维尔泰精密机械有限公司 | Steel wire rope tension testing device |
| CN114813400A (en) * | 2022-04-15 | 2022-07-29 | 东南电梯股份有限公司 | Elevator tows wire rope stress detection device |
| CN114624119A (en) * | 2022-05-12 | 2022-06-14 | 常州市国祥起重机械有限公司 | Steel wire rope strength detection device for crane |
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| CN116907827A (en) * | 2023-09-14 | 2023-10-20 | 贵州省公路工程集团有限公司 | Dynamic testing device and method for detachable anchor point device |
| CN116907827B (en) * | 2023-09-14 | 2023-11-17 | 贵州省公路工程集团有限公司 | Dynamic testing device and method for detachable anchor point device |
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