CN209815444U - Real-time detection device for diameter of traction steel wire rope - Google Patents
Real-time detection device for diameter of traction steel wire rope Download PDFInfo
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- CN209815444U CN209815444U CN201920532052.1U CN201920532052U CN209815444U CN 209815444 U CN209815444 U CN 209815444U CN 201920532052 U CN201920532052 U CN 201920532052U CN 209815444 U CN209815444 U CN 209815444U
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model provides a real-time diameter detection device for a traction steel wire rope, which comprises a traction elevator steel wire rope clamping and guiding structure, a diameter change monitoring structure and a U-shaped frame, the clamping and guiding structure of the steel wire rope of the traction elevator comprises a concave roller, a concave wheel bracket, a convex roller, a cam bracket and a sliding bracket, the upper horizontal side and the upper vertical side of the left and the right supporting legs of the U-shaped frame are respectively provided with a sliding groove, the concave roller and the convex roller are mutually matched and are in butt contact with each other, a laser displacement sensor is fixedly arranged on the inner side of the cam bracket, a laser displacement receiver is arranged on the surface of the sliding bracket, the laser displacement sensor and the laser displacement receiver are positioned between the cam bracket and the sliding bracket, the laser displacement sensor detects the diameter of the traction steel wire rope by acquiring the distance between the laser displacement sensor and the laser displacement receiver; the diameter change of the steel wire rope of the traction elevator is monitored in real time, and the efficiency and the precision of detection are improved.
Description
Technical Field
The utility model relates to an elevator safety technical field, especially a tow wire rope diameter real-time detection device.
Background
The steel wire rope is one of important components of the traction elevator, the friction force between the steel wire rope and the rope wheel generates traction force to drive the lift car to move up and down, and the traction steel wire rope has the defects of wire breakage, abrasion or corrosion and the like at the inner part and the outer part in the using process and has the phenomenon of reducing the diameter of the rope due to the extension surface. These defects will directly determine the residual load-bearing capacity of the steel cord and thus affect the safety of the use of the steel cord. And the breakage and the change of the outer diameter of the steel wire rope are key parameters for evaluating the damage degree of the steel wire rope. The steel wire rope use safety regulation specifies that: the wire rope is replaced when the wire rope diameter is reduced to 90% of its nominal diameter. The wear and the diameter reduction conditions of the whole steel wire rope on each using section are inconsistent, and the steel wire rope can be replaced as long as any one part of the steel wire rope exceeds the standard specified by safety regulations, so the development of the real-time detection device for the diameter of the traction steel wire rope is of particular significance.
Disclosure of Invention
In order to overcome the problems, the utility model aims to provide a tow wire rope diameter real-time detection device realizes improving the efficiency and the precision that detect the change real-time supervision of towing elevator wire rope diameter.
The utility model discloses a following scheme realizes: a real-time detection device for the diameter of a traction steel wire rope comprises a traction elevator steel wire rope clamping and guiding structure, a diameter change monitoring structure and a U-shaped frame, wherein the traction elevator steel wire rope clamping and guiding structure comprises a concave roller, a concave wheel bracket, a convex roller, a cam bracket and a sliding bracket, sliding grooves are respectively formed in the horizontal side and the vertical side of the left and right supporting legs of the U-shaped frame, the concave wheel bracket and the sliding bracket are respectively fixed in the sliding grooves of the left and right supporting legs of the U-shaped frame through pretightening bolts, the concave roller is arranged at the top of the concave wheel bracket, two double-headed screws are arranged on the sliding bracket, springs are sleeved on the double-headed screws, one ends of the double-headed screws penetrate through the sliding bracket and are fixed through nuts, the other ends of the double-headed screws penetrate through the cam bracket and are fixed, the concave roller and the convex roller are matched with each other and are in butt contact with each other, so that the traction steel wire rope moves up and down between the closed concave roller and the closed convex roller, and the change of the diameter of the traction steel wire rope drives the cam to move horizontally and radially; the diameter change monitoring structure comprises a laser displacement sensor and a laser displacement receiver, the laser displacement sensor is fixedly arranged on the inner side of the cam support, the laser displacement receiver is arranged on the surface of the sliding support, the laser displacement sensor and the laser displacement receiver are located between the cam support and the sliding support, and the laser displacement sensor detects the diameter of the traction steel wire rope by acquiring the distance between the laser displacement sensor and the laser displacement receiver.
Furthermore, scales are measured and marked on the sliding grooves of the left supporting leg and the right supporting leg of the U-shaped frame.
Further, the diameter of the traction steel wire rope is 6 ~ 16 mm.
Furthermore, the device also comprises an audible and visual alarm which is arranged on the U-shaped frame, and the laser displacement sensor is connected with the audible and visual alarm.
The beneficial effects of the utility model reside in that: 1) the utility model discloses can be under the elevator maintenance state, the whole diameter of dynamic and real-time monitoring wire rope changes to can do the contrast with wire rope nominal diameter, when actual wire rope diameter variation is less than nominal diameter 10%, can realize the early warning, remind the change wire rope.
2) The utility model discloses utilize the spring with the inseparable laminating of concave type gyro wheel and protruding type gyro wheel in wire rope footpath, can compatible diameter be 6 ~ 16 mm's wire rope (tow elevator and generally use wire rope footpath) card go into in the radial recess of concave type gyro wheel to can restrict wire rope's level and rock, improve the measuring precision.
3) The utility model discloses with concave type gyro wheel and protruding type gyro wheel pretension between U type frame, the pretension bolt can be fixed sliding support on U type frame, and the sliding tray has been opened respectively to support upper level side and the vertical side about U type frame for concave type gyro wheel and protruding type gyro wheel can slide from top to bottom along U type frame support, have solved (tow many wire rope of elevator side by side) inboard wire rope diameter measuring's technological problem in the space, and the practicality is strong, and the range of application is wide.
Drawings
Fig. 1 is a schematic structural view of the real-time detection device for the diameter of the traction steel wire rope.
Fig. 2 is a schematic structural diagram of the U-shaped frame bracket of the present invention.
Fig. 3 is a structure diagram of the concave roller of the present invention.
Fig. 4 is a schematic structural view of the concave wheel bracket of the present invention.
Fig. 5 is a schematic structural diagram of the cam bracket of the present invention.
In the figure: 1. the device comprises a traction steel wire rope clamping and guiding structure, 2, a diameter change monitoring structure, 3, a U-shaped frame, 4, a laser displacement sensor, 5, a laser displacement receiver, 11, a concave roller, 12, a concave roller support, 13, a convex roller, 14, a cam support, 15, a sliding support, 16, a double-headed screw, 17, a spring, 18, a nut, 31, a sliding groove, 32, a pre-tightening bolt, 33 and scales.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Please refer to fig. 1 to 5, the utility model provides a tow wire rope diameter real-time detection device, the device includes that tow elevator wire rope presss from both sides tight guide structure 1, diameter change monitoring structure 2 and U type frame 3, it includes concave type gyro wheel 11, concave wheel support 12, protruding type gyro wheel 13, cam support 14 and sliding support 15 to tow elevator wire rope clamp tight guide structure 1, the landing leg is improved level side and the vertical side is opened respectively and is had sliding tray 31 about U type frame 3, and pretension bolt 32 fixes concave wheel support 12, sliding support 15 respectively in the sliding tray 31 of landing leg about U type frame 3, when side by side to many wire ropes of towing elevator, the utility model discloses inboard wire rope diameter measuring's difficult problem has been solved in the space. The concave roller 11 is arranged at the top of the concave wheel bracket 12, the sliding bracket 15 is provided with two double-threaded screws 16, the double-threaded screws 16 are sleeved with springs 17, one ends of the double-threaded screws 16 penetrate through the sliding bracket 15 and are fixed through nuts 18, the other ends of the double-threaded screws penetrate through the cam bracket 14 and are fixed through the nuts 18, the convex roller 13 is arranged at the top of the cam bracket 14, the concave roller 11 and the convex roller 13 are matched with each other and are in opposite contact with each other, so that the traction steel wire rope moves up and down between the closed concave roller 11 and the convex roller 13, and the change of the diameter of the traction steel wire rope drives the cam to move horizontally and radially; the diameter change monitoring structure comprises a laser displacement sensor and a laser displacement receiver, the laser displacement sensor 4 is fixedly arranged on the inner side of the cam support, the laser displacement receiver 5 is arranged on the surface of the sliding support, the laser displacement sensor 4 and the laser displacement receiver 5 are located between the cam support 14 and the sliding support 15, and the laser displacement sensor 4 detects the diameter of the traction steel wire rope by acquiring the distance between the laser displacement sensor and the laser displacement receiver 5. In this way, the diameter change monitoring structure 2 fixedly connects the laser displacement sensor 4 with the cam bracket, so that the convex roller 13 and the laser displacement receiver 5 have the same horizontal linear motion characteristic, thereby realizing real-time monitoring of the change of the outer diameter of the steel wire rope of the traction elevator and improving the efficiency and precision of inspection and detection. Wherein, the laser displacement sensor model is: TJFTM-50S or LK-G405.
The utility model discloses in, the sliding tray of landing leg about the U type frame is marked scale 33 to survey, makes whole diameter change monitoring structure can be along the accurate slip from top to bottom of U type frame, concave type gyro wheel 11 and protruding type gyro wheel 13 mutually support the butt contact together, can compatible diameter be 6 ~ 16 mm's haulage wire rope card go into concave type gyro wheel 11 radial groove, restriction haulage wire rope's level is rocked, the device still includes an audible-visual annunciator (not shown), audible-visual annunciator sets up in on the U type frame, laser displacement sensor with audible-visual annunciator is connected, if the audible-visual annunciator model is TBJ-150C.
The utility model discloses a theory of operation does: the dragging steel wire rope is clamped between a concave roller 11 (with a diameter phi 10 for example) and a convex roller 13, the convex roller moves to the right to drive a laser displacement sensor 4 to move rightwards, a laser displacement receiver 5 does not move, the diameter of the dragging steel wire rope can be obtained, then an elevator is started, the dragging steel wire rope of the elevator can be pulled up and down to drive the convex roller to roll, when the diameter of the dragging steel wire rope changes, if the diameter of the dragging steel wire rope becomes small, the concave roller 11 moves leftwards, at the moment, a spring drives a cam bracket 14 to move leftwards, the laser displacement sensor 4 moves leftwards, at the moment, a second numerical value of the laser displacement sensor 4 is obtained, the first dragging steel wire rope diameter numerical value is subtracted from the second numerical value, namely, the measurement numerical value is obtained, the reduction variation of the dragging, the diameter of the hoisting rope is problematic and needs to be replaced.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (4)
1. The utility model provides a tow wire rope diameter real-time detection device which characterized in that: the device comprises a traction elevator steel wire rope clamping and guiding structure, a diameter change monitoring structure and a U-shaped frame, wherein the traction elevator steel wire rope clamping and guiding structure comprises a concave roller, a concave wheel bracket, a convex roller, a cam bracket and a sliding bracket, sliding grooves are respectively formed in the horizontal side and the vertical side of the left and right supporting legs of the U-shaped frame, the concave wheel bracket and the sliding bracket are respectively fixed in the sliding grooves of the left and right supporting legs of the U-shaped frame through pretightening bolts, the concave roller is arranged at the top of the concave wheel bracket, two double-head screws are arranged on the sliding bracket and sleeved with springs, one ends of the double-head screws penetrate through the sliding bracket and are fixed through nuts, the other ends of the double-head screws penetrate through the cam bracket and are fixed through nuts, the convex roller is arranged at the top of the cam bracket, and the concave roller and the convex roller, the traction steel wire rope moves up and down between the closed concave roller and the closed convex roller, and the change of the diameter of the traction steel wire rope drives the cam to move horizontally and radially; the diameter change monitoring structure comprises a laser displacement sensor and a laser displacement receiver, the laser displacement sensor is fixedly arranged on the inner side of the cam support, the laser displacement receiver is arranged on the surface of the sliding support, the laser displacement sensor and the laser displacement receiver are located between the cam support and the sliding support, and the laser displacement sensor detects the diameter of the traction steel wire rope by acquiring the distance between the laser displacement sensor and the laser displacement receiver.
2. The real-time detection device for the diameter of the traction steel wire rope according to claim 1, characterized in that: scales are measured and marked on the sliding grooves of the left supporting leg and the right supporting leg of the U-shaped frame.
3. The real-time detection device for the diameter of the hoisting steel wire rope according to claim 1, wherein the diameter of the hoisting steel wire rope is 6 ~ 16 mm.
4. The real-time detection device for the diameter of the traction steel wire rope according to claim 1, characterized in that: the device also comprises an audible and visual alarm which is arranged on the U-shaped frame, and the laser displacement sensor is connected with the audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532052.1U CN209815444U (en) | 2019-04-18 | 2019-04-18 | Real-time detection device for diameter of traction steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532052.1U CN209815444U (en) | 2019-04-18 | 2019-04-18 | Real-time detection device for diameter of traction steel wire rope |
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| Publication Number | Publication Date |
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| CN209815444U true CN209815444U (en) | 2019-12-20 |
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| CN201920532052.1U Active CN209815444U (en) | 2019-04-18 | 2019-04-18 | Real-time detection device for diameter of traction steel wire rope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987480A (en) * | 2019-04-18 | 2019-07-09 | 福建省特种设备检验研究院 | A kind of traction steel-cable diameter real-time detection apparatus and its detection method |
-
2019
- 2019-04-18 CN CN201920532052.1U patent/CN209815444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987480A (en) * | 2019-04-18 | 2019-07-09 | 福建省特种设备检验研究院 | A kind of traction steel-cable diameter real-time detection apparatus and its detection method |
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