CN211444630U - Rope loosening protection monitoring device for mine hoist - Google Patents
Rope loosening protection monitoring device for mine hoist Download PDFInfo
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- CN211444630U CN211444630U CN201922153888.3U CN201922153888U CN211444630U CN 211444630 U CN211444630 U CN 211444630U CN 201922153888 U CN201922153888 U CN 201922153888U CN 211444630 U CN211444630 U CN 211444630U
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- head sheave
- wire rope
- pinch roller
- force measuring
- measuring mechanism
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Abstract
The utility model discloses a rope loosening protection monitoring device for a mine hoist, which comprises a hoisting container, a head sheave I, a pinch roller force measuring mechanism, a head sheave II, a pulley and a hoist; the hoisting container is positioned in the hoistway, the hoisting machine is arranged on one side of the wellhead, the head sheave I is arranged on the upper portion of the wellhead, the head sheave II is positioned beside the head sheave and arranged towards one side of the hoisting machine, the head sheave II and the head sheave have the same height, the pulley is positioned beside the hoisting machine and arranged towards the wellhead, the hoisting machine is connected with the hoisting container through a steel wire rope, the steel wire rope bypasses the pulley, the head sheave II and the head sheave I, the pinch roller force measuring mechanism is arranged between the head sheave II and the head sheave I, and the pinch roller force measuring mechanism downwards compresses a steel wire rope section between the head sheave II and the head sheave I; the utility model discloses can the change of real-time supervision wire rope tension, whether monitor the hoist container fast and loosen the rope and carry out the protection, and then reduce the emergence of accident, solved and concatenated a great deal of problem, safe and reliable that force cell sensor brought between hoist container and hoist wire rope.
Description
Technical Field
The utility model relates to a mine winder technical field specifically is a mine winder slack rope protection monitoring devices.
Background
At present, there are many protection methods for rope loosening of mine hoist steel wire rope, one of them is to connect a force transducer in series between the hoist container and the hoist steel wire rope to monitor the tension of the steel wire rope, the output signal of the transducer is sent to the ground receiving station through the radio transmission system, the method is used for rope loosening protection, the method has the advantages of sensitive and reliable signal, and can monitor the rope loosening condition generated by the hoist container at any position clamping tank, the disadvantage is that the force transducer is connected in series in the hoist transmission system, it must have the strength equivalent to the main pull rod of the hoist container and the hoist steel wire rope, otherwise it will become the hidden trouble of major accident, but the strength is guaranteed to make the sensitivity of the transducer greatly reduced, in addition, the installation, debugging and maintenance of the force transducer are inconvenient, and the cost of the radio transmission system is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a mine winder slack rope protection monitoring devices, can real-time supervision wire rope tension change, whether monitor fast and promote the container slack rope and protect, and then reduce the emergence of accident, solved and concatenated a great deal of problem that force cell sensor brought between promotion container and promotion wire rope, safe and reliable can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a rope loosening protection monitoring device for a mine hoist comprises a hoisting container, a head sheave I, a pinch roller force measuring mechanism, a head sheave II, a pulley and the hoist; the hoisting container is positioned in the hoistway, the hoisting machine is arranged on one side of a wellhead, the head sheave I is arranged on the upper portion of the wellhead, the head sheave II is positioned beside the head sheave and arranged towards one side of the hoisting machine, the head sheave II and the head sheave have the same height, the pulley is positioned beside the hoisting machine and arranged towards the wellhead, the hoisting machine is connected with the hoisting container through a steel wire rope, the steel wire rope bypasses the pulley, the head sheave II and the head sheave I, the pinch roller force measuring mechanism is arranged between the head sheave II and the head sheave I, and the pinch roller force measuring mechanism downwards compresses a steel wire rope section between the head sheave II and the head sheave I;
the pinch roller force measuring mechanism comprises a connecting plate, the connecting plate is connected with two groups of supporting side plates symmetrically arranged through a buffer structure arranged at four corners of the surface of the connecting plate, the inner sides of the two groups of supporting side plates are rotatably connected with pinch rollers abutted against a steel wire rope through bearings, a force measuring sensor is arranged on the upper surface of the connecting plate and is electrically connected with a controller arranged beside a hoisting machine through a wire, and the connecting plate is connected with a fixed seat through bolts and nuts arranged at two ends of the connecting plate.
Preferably, the first head sheave and the second head sheave are the same in size.
Preferably, the pinch roller force measuring mechanism is located in the direction of a perpendicular line of a connecting line between the first head sheave and the second head sheave.
Preferably, the buffer structure comprises a screw rod, a nut and a buffer spring, the two ends of the screw rod respectively penetrate through holes formed in the connecting plate and the supporting side plate, the nuts are connected to the end portions of the two ends of the screw rod in a threaded mode, and the buffer spring is sleeved on the rod body section of the screw rod between the connecting plate and the supporting side plate.
Compared with the prior art, the beneficial effects of the utility model are that: this mine winder slack rope protection monitoring devices, set up the pinch roller force measuring mechanism who compresses tightly the wire rope section between the two downwards between head sheave one and head sheave two, through the contained angle of wire rope section between head sheave one and head sheave two, and the signal of force cell sensor feedback to the controller, thereby the analysis calculates the wire rope atress, real-time supervision wire rope tension changes, if promote the container and appear the card jar problem, the wire rope tension sharply changes, can monitor out fast and promote whether the container is slack rope and protect, and then reduce the emergence of accident, a great deal of problem that the force cell sensor brought concatenates between promoting container and promoting wire rope has been solved, and force cell sensor passes through the wire and is connected with the controller electricity, ensure the signal stability, save the radio transmission system, and save cost, safety and reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the pressure wheel force measuring mechanism of the present invention;
fig. 3 is the left side view of the pinch roller force measuring mechanism of the utility model.
In the figure: 1 lifting container, 2 head sheave I, 3 pinch roller force measuring mechanisms, 301 fixing seats, 302 connecting plates, 303 buffer structures, 304 supporting side plates, 305 pinch rollers, 4 head sheave II, 5 pulleys, 6 lifting machines, 7 controllers and 8 force measuring sensors.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a rope loosening protection monitoring device for a mine hoist comprises a hoisting container 1, a head sheave I2, a pinch roller force measuring mechanism 3, a head sheave II 4, a pulley 5 and a hoist 6; the hoisting container 1 is positioned in a hoistway, the hoisting machine 6 is arranged on one side of a wellhead, the head sheave I2 is arranged on the upper portion of the wellhead, the head sheave II 4 is positioned beside the head sheave I2 and is arranged towards one side of the hoisting machine 6, the head sheave II 4 is equal in height to the head sheave I2, the head sheave I2 and the head sheave II 4 are consistent in size, the pulley 5 is positioned beside the hoisting machine 6 and is arranged towards the wellhead, the hoisting machine 6 is connected with the hoisting container 1 through a steel wire rope, the steel wire rope bypasses the pulley 5, the head sheave II 4 and the head sheave I2, the pinch roller force measuring mechanism 3 is arranged between the head sheave II 4 and the head sheave I2, the pinch roller force measuring mechanism 3 downwards compresses a steel wire rope section between the head sheave II 4 and the head sheave I2, the pinch roller force measuring mechanism 3 is positioned in the vertical line direction of a connecting line between the head sheave I2 and the head sheave II 4, and an included angle of the steel wire rope;
the pinch roller force measuring mechanism 3 comprises a connecting plate 302, the connecting plate 302 is connected with two groups of symmetrically arranged supporting side plates 304 through buffer structures 303 arranged at four corners of the plate surface of the connecting plate 302, the inner sides of the two groups of supporting side plates 304 are rotatably connected with pinch rollers 305 abutted against a steel wire rope through bearings, the upper surface of the connecting plate 302 is provided with a force measuring sensor 8, the force measuring sensor 8 is electrically connected with a controller 7 arranged beside a lifting machine 6 through a lead, the controller 7 can adopt a Siemens PLC controller S7-400, the controller 7 is also electrically connected with the lifting machine 6, an alarm device and other peripheral equipment and is controlled by a program, the details are not repeated here, the connecting plate 302 is connected with a fixed seat 301 through bolts and nuts arranged at two ends of the connecting plate 302, when the pinch rollers 305 are stressed, the pinch rollers 305 act on the connecting plate 302 through the buffer structures 303 and the supporting side plates 304, the, the controller 7 performs processing and analysis;
the buffer structure 303 comprises a screw rod, a nut and a buffer spring, two ends of the screw rod respectively penetrate through holes arranged on the connecting plate 302 and the supporting side plate 304, the end parts of the two ends of the screw rod are respectively in threaded connection with the nut, and a rod body section of the screw rod, which is positioned between the connecting plate 302 and the supporting side plate 304, is sleeved with the buffer spring, so that the vibration influence caused by the swing of the steel wire rope is reduced;
when the lifting container 1 is pulled to act by the lifting machine 6 through a steel wire rope, the pinch roller force measuring mechanism 3 downwards compresses a steel wire rope section between the head sheave I2 and the head sheave II 4, the pinch roller 305 is stressed upwards in normal operation, the pinch roller 305 acts on the force measuring sensor 8 through the buffer structure 303 and the connecting plate 302, the force measuring sensor 8 feeds a signal back to the controller 7 through a wire, through calculation and analysis, the tension change of a steel wire rope is monitored, if data are changed sharply, the problem of tank blockage can be judged to occur, the controller 7 sends out an alarm and controls the lifting machine 6 to reversely rotate and unload, the phenomenon that the fault of the tank blockage is evolved into a rope breakage accident is avoided, and the problems caused by the fact that the force measuring sensor is connected between the lifting container and.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a mine winder slack rope protection monitoring devices which characterized in that: comprises a lifting container (1), a head sheave I (2), a pinch roller force measuring mechanism (3), a head sheave II (4), a pulley (5) and a lifter (6); the hoisting container (1) is located in a hoistway, the hoisting machine (6) is arranged on one side of a wellhead, the head sheave I (2) is arranged on the upper portion of the wellhead, the head sheave II (4) is located beside the head sheave I (2) and arranged towards one side of the hoisting machine (6), the head sheave II (4) and the head sheave I (2) are equal in height, the pulley (5) is located beside the hoisting machine (6) and arranged towards the wellhead, the hoisting machine (6) is connected with the hoisting container (1) through a steel wire rope, the steel wire rope bypasses the pulley (5), the head sheave II (4) and the head sheave I (2), the pinch roller force measuring mechanism (3) is arranged between the head sheave II (4) and the head sheave I (2), and the pinch roller force measuring mechanism (3) downwards compresses a steel wire rope section between the head sheave II (4) and the head sheave I (2);
pinch roller force measuring mechanism (3) are including connecting plate (302), buffer structure (303) that connecting plate (302) set up through its face four corners is connected with support curb plate (304) that two sets of symmetries set up, the inboard of two sets of support curb plate (304) is connected with pinch roller (305) of contradicting with wire rope through the bearing rotation, the upper surface of connecting plate (302) is equipped with force cell sensor (8), force cell sensor (8) are connected with controller (7) electricity that set up by lifting machine (6) through the wire, connecting plate (302) are connected with fixing base (301) through the bolt and the nut that its both ends set up.
2. The mine hoist rope slacking protection monitoring device of claim 1, wherein: the size of the head sheave I (2) is consistent with that of the head sheave II (4).
3. The mine hoist rope slacking protection monitoring device of claim 1, wherein: the pinch roller force measuring mechanism (3) is positioned in the perpendicular line direction of a connecting line between the head sheave I (2) and the head sheave II (4).
4. The mine hoist rope slacking protection monitoring device of claim 1, wherein: buffer structure (303) include lead screw, nut and buffer spring, and the through-hole that sets up on connecting plate (302) and support curb plate (304) is passed respectively at the both ends of lead screw, and the equal threaded connection in both ends tip has the nut, and buffer spring has been cup jointed to the shaft body section that the lead screw is located between connecting plate (302) and support curb plate (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153888.3U CN211444630U (en) | 2019-12-05 | 2019-12-05 | Rope loosening protection monitoring device for mine hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153888.3U CN211444630U (en) | 2019-12-05 | 2019-12-05 | Rope loosening protection monitoring device for mine hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211444630U true CN211444630U (en) | 2020-09-08 |
Family
ID=72296282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922153888.3U Active CN211444630U (en) | 2019-12-05 | 2019-12-05 | Rope loosening protection monitoring device for mine hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211444630U (en) |
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2019
- 2019-12-05 CN CN201922153888.3U patent/CN211444630U/en active Active
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