CN115575223B - Elevator steel wire rope testing device and method based on Internet of things - Google Patents
Elevator steel wire rope testing device and method based on Internet of things Download PDFInfo
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- CN115575223B CN115575223B CN202211203304.9A CN202211203304A CN115575223B CN 115575223 B CN115575223 B CN 115575223B CN 202211203304 A CN202211203304 A CN 202211203304A CN 115575223 B CN115575223 B CN 115575223B
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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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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
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 and method based on the Internet of things, wherein the testing method comprises the following steps: the supporting structure comprises a supporting bottom plate, wherein the center of the upper end of the supporting bottom plate is fixedly connected with a vertical gantry bracket, the supporting bottom plates on two sides of the gantry bracket are respectively provided with a shell for fixing a steel wire rope, and the lower ends of the shells are provided with bases fixedly connected with the supporting bottom plate. According to the invention, the position of the steel wire rope can be limited through the limiting component, the situation that the steel wire rope moves or deviates in the testing process is avoided, the accuracy of tension testing is improved, specifically, the wound steel wire rope is affected by the limiting column and is limited in position, the steel wire rope is further fully 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 a testing result is further 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 and method based on the Internet of things.
Background
At present, elevators at home and abroad are usually driven by a traction machine, a traction elevator suspension lifting system consists of main components such as a traction sheave, a steel wire rope group, a car and a balance block system, and in order to avoid elevator safety accidents, the steel wire rope of the elevator needs to carry out 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 is easy to fall off due to overlarge tension during testing, so that the detection efficiency is reduced, the detection result is easy to be influenced, in addition, when the steel wire rope is broken in the detection process, the broken steel wire rope can strike other objects at a high speed, and the damage to equipment or personnel is likely to be caused. Therefore, we propose an elevator wire rope testing device based on the internet of things and a testing method thereof 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 and an elevator steel wire rope testing method based on the Internet of things.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
elevator wire rope testing arrangement based on thing networking includes: the device comprises a supporting structure, a fixing structure and a tensile force 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 bracket, the supporting bottom plates on two sides of the gantry bracket are respectively provided with a shell for fixing a steel wire rope, and the lower end of the shell is provided with a base fixedly connected with the supporting bottom plate; 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 all wavy, wavy wave troughs 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 the center of the inner wall of the shell is provided with a fixing assembly connected with the steel wire rope; the tensile force test structure comprises two symmetrical strip grooves connected to the inner wall of the gantry bracket, two movable blocks are connected to the two strip grooves in a sliding mode, the upper ends of the two movable blocks are fixedly connected with a U-shaped rod with the same notch facing downwards, a hydraulic cylinder connected with the U-shaped rod is arranged on the top wall of the gantry bracket, guide bearing components connected with steel wires are arranged between the two movable blocks, and the steel wires are connected with limiting components on two side shells through the guide bearing components.
In the elevator wire rope testing device based on the internet of things, the wire ropes are wound on the outer sides of the two limiting columns, and the end parts of the wire ropes are arranged at the lower ends of the limiting columns in parallel.
In the elevator wire rope testing device based on the internet of things, the limiting component comprises the L-shaped supporting rod fixedly connected to the side wall of the shell, one end of the L-shaped supporting rod extends to the opening of the shell and is fixedly connected with the vertical limiting plate, and two limiting rings sleeved on the outer side of the wire rope are arranged on the side wall of the limiting plate.
In the elevator wire rope testing device based on the internet of things, the fixing component comprises the hydraulic rod fixedly connected to the side wall of the shell, the piston end of the hydraulic rod extends into the shell and is fixedly connected with the I-shaped extrusion block, the side wall of the extrusion block is fixedly connected with the extrusion strip in contact with the wire rope, and the side wall of the extrusion strip is provided with the arc surface propped against the side wall of the wire rope.
In the elevator wire rope testing device based on the internet of things, the extrusion block is correspondingly arranged between the two limiting columns, the side wall of the extrusion block is connected with the fastening bolt for fixing the extrusion strip in a threaded manner, and the inner wall of the arc-shaped surface of the extrusion strip is fixedly connected with the anti-slip pad.
In the elevator wire rope testing device based on the internet of things, the guide bearing assembly comprises the supporting rods fixedly connected to the side walls of the movable blocks, the two supporting rods are fixedly connected with the same guide roller, the wire rope is correspondingly connected to the upper end of the guide roller, the side walls of the guide roller are provided with guide surfaces with the same size as the wire rope, and the upper ends of the guide surfaces are provided with pressure sensors in contact with the wire rope.
In the elevator wire rope testing arrangement based on thing networking, two through-holes of intercommunication from top to bottom have been 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 fixed with L shape connecting rod, two fixedly connected with is the same rectangle piece that sets up in the guide roll upside between the L shape connecting rod, the notch has been seted up to the lower extreme of rectangle piece, and fixedly connected with down the briquetting of wire rope laminating in the notch, the lower extreme of briquetting is provided with the contact surface the same with wire rope size down.
In the elevator wire rope testing device based on the internet of things, the side wall of the guide roller is connected with the vertical side plate, the upper end face of the side plate is horizontal, and the lower end of the rectangular block is connected with the upper end of the side plate in a laminating mode when the lower pressing block is in a laminating mode with the wire rope.
In the elevator wire rope testing device based on the internet of things, the left side wall and the right side wall of the rectangular block are respectively provided with the bumps which are vertically distributed with the wire rope, the side walls of the bumps are fixedly connected with the corrugated baffles which are parallel to the wire rope, and the lower ends of the corrugated baffles extend to the opening of the shell.
The testing method of the elevator steel wire rope testing device based on the Internet of things comprises the following steps of:
s1, before a tensile test is carried out on a steel wire rope, two ends of the steel wire rope are wound on the outer sides of two limiting columns in a shell, the upper end of the steel wire rope is correspondingly connected in a guide roller, a hydraulic rod is started to enable extrusion strips on the side wall of an extrusion block to limit the steel wire rope on the inner side of the shell, and a limiting plate 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 defined steel wire rope through a pressure sensor after the position of the steel wire rope is defined, then starting a hydraulic cylinder to enable the U-shaped rod to move upwards, and recording changes of the pressure sensor in real time in the moving process, namely, testing the tension of the steel wire rope;
s3, if the steel wire rope breaks in the continuous upward movement process, recording the maximum tension value before breaking, determining whether the maximum tension value is in a standard range, and in addition, by arranging the corrugated baffle parallel to the steel wire rope on the side wall of the rectangular block, the anti-splashing effect on the broken steel wire rope can be achieved.
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, the situation that the steel wire rope moves or deviates in the testing process is avoided, the accuracy of tension testing is improved, specifically, the wound steel wire rope is affected by the limiting column and is limited in position, the steel wire rope is further fully 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 a testing result is further 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 affect the use of other equipment through the use of the corrugated baffle plate.
Drawings
Fig. 1 is a schematic diagram of a front side structure of an elevator steel wire rope testing device and a testing method thereof based on the internet of things;
fig. 2 is a schematic diagram of a rear structure of an elevator steel wire rope testing device and a testing method thereof based on the internet of things;
fig. 3 is a diagram of the internal structure of a shell of the elevator steel wire rope testing device and the testing method based on the internet of things;
fig. 4 is a cross-sectional structure diagram of an elevator steel wire rope testing device based on the internet of things and a steel wire rope connection time of a testing method thereof;
fig. 5 is a cross-sectional structure diagram of an elevator steel wire rope testing device based on the internet of things and a steel wire rope of the testing method thereof when 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;
fig. 7 is a cross-sectional view of the internal structure of a housing of an elevator wire rope testing device and a testing method thereof based on the internet of things.
In the figure, a supporting structure 100, a supporting bottom plate 101, a gantry bracket 102, a shell 103, a base 104, a fixing structure 200, a limiting column 201, a 202L-shaped supporting rod, a 203 limiting plate, a 204 hydraulic rod, a 205 extrusion block, a 206 extrusion bar, a 300 tensile test structure, a 301 bar-shaped groove, a 302 movable block, a 303U-shaped rod, a 304 hydraulic cylinder, a 305 guide roller, a 306L-shaped connecting rod, a 307 rectangular block, a 308 pressing block, a 309 convex block and a 310 corrugated baffle.
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.
Referring to fig. 1-7, an elevator wire rope testing device based on the internet of things includes: the supporting structure 100, the fixed structure 200 and the tensile test structure 300, the supporting structure 100 comprises a supporting bottom plate 101, a vertical gantry bracket 102 is fixedly connected to the center of the upper end of the supporting bottom plate 101, a shell 103 for fixing a steel wire rope is arranged on the supporting bottom plate 101 on two sides of the gantry bracket 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 fixed connection spacing posts 201 on casing 103 inner wall, casing 103 is left and right sides opening structure, the upper and lower both ends face of casing 103 all is the wave, and the wave trough corresponds to set up between two spacing posts 201, wire rope twines in the outside of two spacing posts 201, specifically, be provided with the spacing subassembly of being connected with wire rope on the opposite lateral wall of two casings 103, spacing subassembly includes fixed connection L shape branch 202 on 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 fixed connection, be provided with two spacing rings of cup jointing in the wire rope outside on the lateral wall of limiting plate 203, it is spacing to carry out the position of wire rope through spacing subassembly, avoid wire rope to appear removing or skew the condition in the testing process, improve the accuracy of tensile test.
Further, the fixed subassembly that casing 103 inner wall central authorities are provided with wire rope connection, fixed subassembly includes hydraulic stem 204 of fixed connection on casing 103 lateral wall, the piston end of hydraulic stem 204 extends to casing 103 in and fixedly connected with I shape extrusion piece 205, fixedly connected with and wire rope contact's extrusion piece 206 on the lateral wall of extrusion piece 205, be provided with the arcwall face that offsets with the wire rope lateral wall on the lateral wall of extrusion piece 206, specifically, extrusion piece 205 corresponds to set up between two spacing posts 201, threaded connection has the fastening bolt who is used for fixed extrusion piece 206 on the lateral wall of extrusion piece 205, fixedly connected with slipmat on the arcwall face inner wall of extrusion piece 206, use through extrusion piece 205 and extrusion piece 206 can further be fixed to the wire rope of winding on spacing post 201, the wire rope itself after the winding receives the influence of spacing post 201 and the position is restricted, and play abundant fixing under the pressure of extrusion piece 205 and extrusion piece 206, improve wire rope's stability, and then help the accuracy of test result.
The tensile force testing structure 300 comprises two strip-shaped grooves 301 symmetrically connected to the inner wall of the gantry bracket 102, movable blocks 302 are slidably connected in the two strip-shaped grooves 301, the upper ends of the two movable blocks 302 are fixedly connected with a U-shaped rod 303 with the same notch facing downwards, a hydraulic cylinder 304 connected with the U-shaped rod 303 is arranged on the top wall of the gantry bracket 102, a guide bearing component connected with a steel wire rope is arranged between the two movable blocks 302, the steel wire rope is connected with limit components on two side shells 103 through the guide bearing component, the guide bearing component comprises a supporting rod fixedly connected to the side wall of the movable block 302, the same guide roller 305 is fixedly connected between the two supporting rods, the steel wire rope is correspondingly connected to the upper end of the guide roller 305, the side wall of the guide roller 305 is provided with a guide surface with the same size as the steel wire rope, the upper end of the guide surface is provided with a pressure sensor contacted with the steel wire rope, the tension testing structure can test the tension of the steel wire rope, the pressure sensor is connected with an external controller and a display, and the transmission process of the pressure sensor is in the prior art, and the transmission process of the pressure sensor can monitor the tension value 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 manner, fastening nuts which are fixed with the L-shaped connecting rods 306 are connected at the upper ends of the U-shaped rod 303 in a threaded manner, 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 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 steel wire rope in size is arranged at the lower end of the pressing block 308, vertical side plates are connected on the side walls of the guide roller 305, the upper end faces of the side plates are horizontal, the lower briquetting 308 is connected in the upper end of curb plate with the lower extreme laminating of wire rope laminating state time rectangular piece 307, all be provided with on the lateral wall of rectangular piece 307 with the perpendicular lug 309 of arranging of wire rope, fixedly connected with and the ripple baffle 310 of wire rope parallel on the lateral wall of lug 309, and the lower extreme of ripple baffle 310 extends to the opening part of casing 103, through being provided with the lower briquetting 308 of being connected with wire rope at the lower extreme of U-shaped pole 303, can further guarantee wire rope's stability, and can avoid fracture wire rope to splash to the use of other equipment of external influence through the use of ripple baffle 310, and ripple baffle 310 can select the plastics material, change the use easily.
The testing method of the elevator steel wire rope testing device based on the Internet of things comprises the following steps of:
s1, before a tensile test is carried out on a steel wire rope, two ends of the steel wire rope are wound on the outer sides of two limit posts 201 in a shell 103, the upper ends of the steel wire rope are correspondingly connected in 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 limit 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 defined steel wire rope through a pressure sensor after the position of the steel wire rope is defined, then starting a hydraulic cylinder 304 to enable a U-shaped rod 303 to move upwards, and recording changes of the pressure sensor in real time in the moving process, namely, testing the tension of the steel wire rope;
s3, if the steel wire rope breaks in the continuous upward movement process, recording the maximum tension value before breaking, and determining whether the maximum tension value is in a standard range, and in addition, by arranging the corrugated baffle plate 310 parallel to the steel wire rope on the side wall of the rectangular block 307, the anti-splashing effect on the broken steel wire rope can be achieved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. Elevator wire rope testing arrangement based on thing networking, its characterized in that includes:
the supporting structure (100) comprises a supporting bottom plate (101), wherein the center of the upper end of the supporting bottom plate (101) is fixedly connected with a vertical gantry bracket (102), the supporting bottom plates (101) on two sides of the gantry bracket (102) are respectively provided with a shell (103) for fixing a steel wire rope, and the lower end of the shell (103) is provided with a base (104) fixedly connected with the supporting bottom plate (101);
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 all wavy, wavy trough parts are correspondingly arranged between the two limiting columns (201), the wire rope is wound on the outer sides of the two limiting columns (201), limiting components connected with the wire rope are arranged on the opposite side walls of the shell (103), fixing components connected with the wire rope are arranged in the center of the inner wall of the shell (103), each fixing component comprises a hydraulic rod (204) fixedly connected to the side wall of the shell (103), the piston end of each hydraulic rod (204) extends into the shell (103) and is fixedly connected with an I-shaped extrusion block (205), an extrusion strip (206) contacted with the wire rope is fixedly connected to the side wall of each extrusion block (205), an arc-shaped surface propped against the side wall of the wire rope is arranged on the side wall of each extrusion block (205), the extrusion block (205) is correspondingly arranged between the two limiting columns (201), and the extrusion block (205) is fixedly connected with an arc-shaped extrusion block (206) through bolts;
the tension test structure (300) comprises two strip-shaped grooves (301) symmetrically connected to the inner wall of a gantry bracket (102), two movable blocks (302) are connected to the 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 bracket (102), guide bearing components connected with steel ropes are arranged between the two movable blocks (302), the steel ropes are connected with limit components on two side shells (103) through the guide bearing components, the guide bearing components comprise supporting rods fixedly connected to the side walls of the movable blocks (302), two guide rollers (305) are fixedly connected between the supporting rods, the steel ropes are correspondingly connected to the upper ends of the guide rollers (305), guide surfaces with the same steel ropes in size are arranged on the side walls of the guide rollers (305), and the upper ends of the guide surfaces are provided with pressure sensors in contact with the steel ropes.
2. The elevator steel wire rope testing device based on the internet of things according to claim 1, wherein the steel wire rope is wound on the outer sides of 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 wire rope testing device based on the internet of things according to claim 2, wherein the limiting component 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 the opening of the shell (103) and is fixedly connected with a vertical limiting plate (203), and two limiting rings sleeved on the outer side of the wire rope are arranged on the side wall of the limiting plate (203).
4. The elevator wire rope testing arrangement based on thing networking of claim 3, characterized in that, two through-holes that communicate from top to bottom are seted up to the upper end of U-shaped pole (303), and all sliding connection has vertical L shape connecting rod (306) in two through-holes, the upper end screw thread connection of U-shaped pole (303) has the fastening nut fixed with L shape connecting rod (306), two fixedly connected with between L shape connecting rod (306) same rectangular piece (307) that set up in guide roll (305) upside, notch has been seted up to the lower extreme of rectangular piece (307), and the notch internal fixation has briquetting (308) down with wire rope laminating, the lower extreme of briquetting (308) is provided with the contact surface the same with wire rope size down.
5. The elevator wire rope testing device based on the internet of things according to claim 4, 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 connected to the upper end of the side plate in a fitting mode when the lower pressing block (308) is in a fitting mode with the wire rope.
6. The elevator wire rope testing device based on the internet of things according to claim 5, wherein the left side wall and the right side wall of the rectangular block (307) are respectively provided with a bump (309) which is vertically arranged with the wire rope, the side wall of each bump (309) is fixedly connected with a corrugated baffle (310) which is parallel to the wire rope, and the lower end of each corrugated baffle (310) extends to the opening of the shell (103).
7. A test method adopting the elevator wire rope test device based on the internet of things according to claim 6, which is characterized by comprising 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 on the outer sides of two limit posts (201) in a shell (103), the upper ends of the steel wire rope are correspondingly connected in a guide roller (305), a hydraulic rod (204) is started to enable extrusion strips (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 limit plate (203) on the side wall of the shell (103) can limit the position of the steel wire rope further;
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, and then 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, namely, testing the tension of the steel wire rope;
s3, if the steel wire rope breaks in the continuous upward movement process, recording the maximum tension value before breaking, determining whether the maximum tension value is in a standard range, and in addition, by arranging a corrugated baffle (310) parallel to the steel wire rope on the side wall of the rectangular block (307), the anti-splashing effect on the broken steel wire rope can be achieved.
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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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| CN115575223B true CN115575223B (en) | 2023-09-12 |
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| 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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| CN115575223A (en) | 2023-01-06 |
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