CN202748375U - System for detecting rope stretching speed of steel wire rope winding drum mechanism - Google Patents
System for detecting rope stretching speed of steel wire rope winding drum mechanism Download PDFInfo
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- CN202748375U CN202748375U CN201220457278.8U CN201220457278U CN202748375U CN 202748375 U CN202748375 U CN 202748375U CN 201220457278 U CN201220457278 U CN 201220457278U CN 202748375 U CN202748375 U CN 202748375U
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- wire rope
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- winding drum
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Abstract
The utility model discloses a system for detecting the rope stretching speed of a steel wire rope winding drum mechanism, and belongs to the technical field of crane equipment. The system comprises a winding drum, a big gear wheel, an absolute value rotary encoder, a small gear wheel, a pull rope encoder, a moving slide block, a shifting fork, a rolling linear guide rail pair, proximity switches, a steel wire rope and a direction changing fixed pulley block, wherein any one shaft end of the winding drum is connected with the big gear wheel, the big gear wheel and the small gear wheel are meshed with each other, and a shaft end of the small gear wheel is connected with the absolute value rotary encoder; the rolling linear guide rail pair is arranged at the rope stretching side and parallels to the winding drum; the moving slide block is arranged on the rolling linear guide rail pair, and the fixing shifting fork is arranged on the moving slide block; one end of the steel wire rope is fixed on the winding drum, and the other end of the steel wire rope penetrates through a notch on the shifting fork and extends to the direction changing fixed pulley block; the proximity switches are arranged at both ends of the rolling linear guide rail pair respectively; and the pull rope encoder is connected with the moving slide block. The system disclosed by the utility model is simple in structure, low in cost and convenient in maintenance.
Description
Technical field
The utility model relates to the crane facility technical field, particularly a kind of system that goes out rope speed for detection of cable drum mechanism.
Background technology
Cable drum mechanism is widely used in all trades and professions as a kind of main hoisting gear of hoisting device, every field such as harbour, mine, chemical industry, building materials.Every equipment that needs hoisting, what often at first expect is exactly the rope drum hoisting gear.
Generally, need to know the rope speed that of cable drum mechanism, in order in time adjust the rotating speed of the motor that drives the reel rotation.The following version of the many employings of existing cable drum hoisting gear: the fixed pulley by single point of fixity connects reel by wire rope, the revolution of reel drives wire rope and twines along the reel revolution, move axially along reel again simultaneously, and arbitrary axle head of reel is connected with gear wheel, gear wheel and a pinion wheel are intermeshing, and the axle head of pinion wheel is connected with the absolute value rotary encoder.The rotational kinetic energy of reel is delivered on the absolute value rotary encoder by gear wheel and pinion wheel, angular velocity when the output signal of absolute value rotary encoder can identify the reel running, utilize simple mathematical computations can learn the rope stretching length of cable drum mechanism, and then control the rope speed that of reel.But, because the rope outlet direction transient change of wire rope, thereby the rope speed that goes out along the reel centerline direction of required measurement also is transient change, and this rope speed that goes out along the reel centerline direction that utilizes separately the absolute value rotary encoder to measure not is accurately.
Summary of the invention
Go out the problems such as the rope speed detection accuracy is poor in order to solve existing single point of fixity fixed pulley cable drum mechanism, the utility model provides a kind of system that goes out rope speed for detection of cable drum mechanism, comprises reel, gear wheel, absolute value rotary encoder, pinion wheel, stay cord scrambler, moving slider, shift fork, linear rolling guide, approach switch, wire rope and changed course fixed pulley; Arbitrary axle head of described reel is connected with gear wheel, and described gear wheel and pinion wheel are intermeshing, and the axle head of described pinion wheel is connected with the absolute value rotary encoder; Described linear rolling guide is arranged at described reel rope outlet direction one side, and is parallel to described reel; Be provided with moving slider on the described linear rolling guide, be provided with fixedly shift fork on the described moving slider; One end of described wire rope is fixed on the described reel, and the other end of described wire rope passes the notch on the described shift fork, extends to described changed course fixed pulley; The two ends of described linear rolling guide are provided with described approach switch; Described stay cord scrambler is connected with moving slider.
Be provided with grooving on the described reel, described wirerope-winding is in described grooving.
What the utility model provided goes out the system of rope speed for detection of cable drum mechanism, and can measure exactly the rope stretching length of cable drum mechanism, and then calculate out rope speed, and simple in structure, with low cost, easy to maintenance; Simultaneously, the utility model also can be widely used in various similar means, and realization is carried out real-time monitoring to length, distance, angle, position etc. and located accurately.
Description of drawings
Fig. 1 be the utility model embodiment provide go out the system architecture schematic diagram of rope speed for detection of cable drum mechanism;
Fig. 2 is the modular construction schematic diagram on the linear rolling guide that provides of the utility model embodiment;
Fig. 3 is the theoretical calculation model that cable drum mechanism that the utility model embodiment provides goes out rope speed.
Embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are further described.
Referring to Fig. 1, the utility model embodiment provides a kind of system that goes out rope speed for detection of cable drum mechanism, and this system comprises reel 1, gear wheel 2, absolute value rotary encoder 3, pinion wheel 4, stay cord scrambler 5, moving slider 6, shift fork 7, linear rolling guide 8, approach switch 9, wire rope 10 and changed course fixed pulley 11.Wherein, arbitrary axle head of reel 1 is connected with gear wheel 2, and gear wheel 2 is intermeshing with pinion wheel 4, and the axle head of pinion wheel 4 is connected with absolute value rotary encoder 3; Linear rolling guide 8 is arranged at reel 1 rope outlet direction one side, and is parallel to reel 1; Be provided with moving slider 6 on the linear rolling guide 8, moving slider 6 can be free to slide along rolling linear guide; Be provided with fixedly shift fork 7 on the moving slider 6, fixedly the inside surface of shift fork 7 is wear-resisting soft material, and such as teflon, fixedly shift fork 7 has the effect of guiding and protection wire rope, as shown in Figure 2; 10 1 ends of wire rope are fixed on the reel 1, and the other end of wire rope 10 passes the notch on the shift fork 7, extend to changed course fixed pulley 11, and wire rope 10 is wrapped in the grooving on the reel 1; The two ends of linear rolling guide 8 are provided with approach switch 9, and this approach switch can be controlled when wire rope arrives the two ends extreme position of linear rolling guide 8 and make system out of service; Stay cord scrambler 5 is connected with moving slider 6, and stay cord scrambler 5 can be measured wire rope 10 along the axial displacement of reel 1.
In actual applications, the rotational kinetic energy of reel 1 is delivered on the absolute value rotary encoder 3 by gear wheel 2 and pinion wheel 4, angular velocity when the output signal of absolute value rotary encoder 3 can identify the reel running, and then reach two purposes: 1. in the situation that reel stall (angular velocity of this moment exceeds predefined scope), just stop in emergency, upper caliper, to guarantee security of system; 2. according to △ C=C/i, wherein, C represents that the rope that records according to the absolute value rotary encoder is long, and i is the ratio of gear between little, the gear wheel, calculates the long Δ C of actual rope of output.Wire rope moves along the grooving winding direction on the reel, the moving slider that the wire rope of tightening is stirred on the linear rolling guide moves, and then the stay cord scrambler 5 that is connected with moving slider of drive, the output signal of stay cord scrambler 5 can identify wire rope along spool shaft to displacement △ B.The output signal of absolute value rotary encoder 3 and stay cord scrambler 5 is calculated arrangement through PLC, according to Δ A
2=Δ C
2-Δ B
2Calculate wire rope along the actual range Δ A of reel center line output, as shown in Figure 3.At last, again according to formula v=s/t, namely v=s/t=Δ A/t calculates wire rope along the rope speed that goes out of reel centerline direction, wherein rope stretching time t can but be not limited to obtain by Chronograph.
The present embodiment is by adopting Dual-encoder, be absolute value rotary encoder and stay cord scrambler, wherein, the absolute value rotary encoder is used for measuring the angular velocity of reel, the stay cord scrambler be used for the measuring steel wire rope along spool shaft to displacement, draw wire rope along the actual rope stretching length of reel centerline direction (fixed pulley center line) by calculating these two parameters, and then determine wire rope and go out rope speed along reel centerline direction (fixed pulley center line) actual.
In concrete production practices, absolute value rotary encoder in the present embodiment can be selected field bus type 9080 series of products of Ku Baile company, the stay cord scrambler can be selected CLMS1 series displacement transducer, linear rolling guide can be selected the linear rolling guide series of Jining of Shandong Province leading screw factory, the diameter of gear wheel can be 1500mm, and the diameter of pinion wheel can be 600mm.
What the utility model embodiment provided goes out the system of rope speed for detection of cable drum mechanism, and can measure exactly the rope stretching length of cable drum mechanism, and then calculate out rope speed, and simple in structure, with low cost, easy to maintenance; Simultaneously, the utility model embodiment also can be widely used in various similar means, and realization is carried out real-time monitoring to length, distance, angle, position etc. and located accurately.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. system that goes out rope speed for detection of cable drum mechanism, it is characterized in that, comprise reel, gear wheel, absolute value rotary encoder, pinion wheel, stay cord scrambler, moving slider, shift fork, linear rolling guide, approach switch, wire rope and changed course fixed pulley; Arbitrary axle head of described reel is connected with gear wheel, and described gear wheel and pinion wheel are intermeshing, and the axle head of described pinion wheel is connected with the absolute value rotary encoder; Described linear rolling guide is arranged at described reel rope outlet direction one side, and is parallel to described reel; Be provided with moving slider on the described linear rolling guide, be provided with fixedly shift fork on the described moving slider; One end of described wire rope is fixed on the described reel, and the other end of described wire rope passes the notch on the described shift fork, extends to described changed course fixed pulley; The two ends of described linear rolling guide are provided with described approach switch; Described stay cord scrambler is connected with moving slider.
2. the system that goes out rope speed for detection of cable drum mechanism as claimed in claim 1 is characterized in that, is provided with grooving on the described reel, and described wirerope-winding is in described grooving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220457278.8U CN202748375U (en) | 2012-09-07 | 2012-09-07 | System for detecting rope stretching speed of steel wire rope winding drum mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220457278.8U CN202748375U (en) | 2012-09-07 | 2012-09-07 | System for detecting rope stretching speed of steel wire rope winding drum mechanism |
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| CN202748375U true CN202748375U (en) | 2013-02-20 |
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| CN201220457278.8U Expired - Lifetime CN202748375U (en) | 2012-09-07 | 2012-09-07 | System for detecting rope stretching speed of steel wire rope winding drum mechanism |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145041A (en) * | 2013-03-12 | 2013-06-12 | 中联重科股份有限公司 | Detection method, controller and detection system for winding position of winding mechanism and crane |
| CN104359445A (en) * | 2014-11-13 | 2015-02-18 | 张得礼 | Serial movement mechanism parameter error measuring device and method based on pull rope encoder |
| CN104459192A (en) * | 2014-12-10 | 2015-03-25 | 中国矿业大学 | Detection test bed for rope outlet state of steel wire rope winding drum mechanism |
| CN104614110A (en) * | 2015-01-23 | 2015-05-13 | 中船华南船舶机械有限公司 | Flexible-installation force and speed measuring device |
| CN109580437A (en) * | 2018-10-30 | 2019-04-05 | 中国神华能源股份有限公司 | Concentration basin effect of settling detection system |
| RU200655U1 (en) * | 2019-04-18 | 2020-11-03 | Общество С Ограниченной Ответственностью "Корум Груп" | MEASURING WHEEL, DEVICE FOR DETERMINING ROPE ROPE OF ROPE PULLEY |
| RU2741381C1 (en) * | 2018-04-20 | 2021-01-25 | Общество С Ограниченной Ответственностью "Корум Груп" | System for diagnostics of traction sheave lining wear of multirope hoisting machine |
| CN113979309A (en) * | 2021-11-12 | 2022-01-28 | 大连华锐重工集团股份有限公司 | Real-time lifting height detection device for floating crane |
-
2012
- 2012-09-07 CN CN201220457278.8U patent/CN202748375U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145041A (en) * | 2013-03-12 | 2013-06-12 | 中联重科股份有限公司 | Detection method, controller and detection system for winding position of winding mechanism and crane |
| CN103145041B (en) * | 2013-03-12 | 2015-01-21 | 中联重机股份有限公司 | Detection method of winding position of winding mechanism, controller, detection system and crane |
| CN104359445A (en) * | 2014-11-13 | 2015-02-18 | 张得礼 | Serial movement mechanism parameter error measuring device and method based on pull rope encoder |
| CN104359445B (en) * | 2014-11-13 | 2018-02-09 | 南京航空航天大学 | Serial kinematic mechanism parameter error measuring means and method based on drawstring encoder |
| CN104459192B (en) * | 2014-12-10 | 2017-06-27 | 中国矿业大学 | Detection test bed for rope outlet state of steel wire rope winding drum mechanism |
| CN104459192A (en) * | 2014-12-10 | 2015-03-25 | 中国矿业大学 | Detection test bed for rope outlet state of steel wire rope winding drum mechanism |
| CN104614110B (en) * | 2015-01-23 | 2017-03-29 | 中船华南船舶机械有限公司 | Flexible installing dynamometry speed measuring device |
| CN104614110A (en) * | 2015-01-23 | 2015-05-13 | 中船华南船舶机械有限公司 | Flexible-installation force and speed measuring device |
| RU2741381C1 (en) * | 2018-04-20 | 2021-01-25 | Общество С Ограниченной Ответственностью "Корум Груп" | System for diagnostics of traction sheave lining wear of multirope hoisting machine |
| CN109580437A (en) * | 2018-10-30 | 2019-04-05 | 中国神华能源股份有限公司 | Concentration basin effect of settling detection system |
| CN109580437B (en) * | 2018-10-30 | 2022-03-22 | 中国神华能源股份有限公司 | Sedimentation effect detection system of concentration tank |
| RU200655U1 (en) * | 2019-04-18 | 2020-11-03 | Общество С Ограниченной Ответственностью "Корум Груп" | MEASURING WHEEL, DEVICE FOR DETERMINING ROPE ROPE OF ROPE PULLEY |
| CN113979309A (en) * | 2021-11-12 | 2022-01-28 | 大连华锐重工集团股份有限公司 | Real-time lifting height detection device for floating crane |
| CN113979309B (en) * | 2021-11-12 | 2024-02-23 | 大连华锐重工集团股份有限公司 | Lifting height real-time detection device for floating crane |
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Address after: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee after: BEIJING MATERIALS HANDLING RESEARCH INSTITUTE Co.,Ltd. Address before: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee before: Beijing Materials Handling Research Institute |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
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| CX01 | Expiry of patent term |