CN104697453B - A kind of high-precision automatic measuring device for rope length - Google Patents
A kind of high-precision automatic measuring device for rope length Download PDFInfo
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- CN104697453B CN104697453B CN201510106497.XA CN201510106497A CN104697453B CN 104697453 B CN104697453 B CN 104697453B CN 201510106497 A CN201510106497 A CN 201510106497A CN 104697453 B CN104697453 B CN 104697453B
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- electromagnetic clutch
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Abstract
The invention discloses a kind of high-precision automatic measuring device for rope length, using electronic, manual two kinds of input patterns, power is inputted by servomotor or rotates handwheel manually and inputted, and the switching of power input is realized by electromagnetic clutch.Workbench provides support for other each parts；Two pulley mechanisms are separately mounted to workbench upper end, and decelerator and power transmission mechanism are co-axially mounted by shaft coupling with screw mechanism, and two reference pins are located at the both sides of screw mechanism one end；During servomotor input power, measurement apparatus fully achieves automation.Computer and data acquisition unit control the rotation of servomotor, and the real time data of collection grating scale feedback by software, by the length of the real-time display rope of reading feedback of grating scale, realize measurement accuracy≤0.02mm.Measurement apparatus measurement accuracy is high, safe and reliable, is particularly suitable for the automatic measurement of random length and arbitrary diameter rope under certain pretension.
Description
Technical field
The present invention relates to a kind of measurement apparatus, specifically, it is related to a kind of high-precision automatic measuring for rope length
Device.
Background technology
The high-precision automatic measuring device of rope length, can realize that power is inputted or artificial turn by servomotor as needed
Start to take turns input, the switch mode of power input is realized by clutch.The power of input slows down by conic reducer, changed
To then power reaches Precision Lead-Screw nut body.Convert rotational motion is again accurate by Precision Lead-Screw nut body
Linear motion, rope is stretched under certain pretension；And pass through the group of Precision Lead-Screw nut body and high-precision grating scale
Close, realize the high-acruracy survey to random length rope.
Disclosed in Chinese patent CN103639847A " a kind of ball screw assembly, length measuring instrument ", the measuring instrument being capable of profit
With the length of survey tool optical grating ruler measurement ball-screw, mechanism is simpler, and measurement is accurate.But operating process needs manual control
System, automaticity is low, and can only measure axle and the big part of other rigidity, it is impossible to measure the softer parts of material.
Proposed in patent of invention CN203501978U " a kind of linear measure longimetry mechanism ", the measuring mechanism is surveyed using grating scale
The length of axial workpiece is measured, it is simple in construction；But every time measurement be required to using standard component demarcate measuring system, and need by
Measured value does difference, and measurement range is limited by cylinder length, can only measure the grade suitable with standard component length highly big
Axial workpiece.
The content of the invention
In order to avoid the deficiency that prior art is present, overcome its low measurement apparatus automaticity, measurement limited length, survey
The problem of accuracy of measurement is low, drive form is single, the present invention proposes a kind of high-precision automatic measuring device for rope length, surveys
Measure device and use electronic, manual two kinds of input patterns, power is inputted by servomotor or rotates handwheel manually and inputted, and power is defeated
The switching entered is realized by electromagnetic clutch.During servomotor input power, measurement apparatus fully achieves automation, by calculating
Machine programme-control needs the length of the rope measured, shows the length of rope in real time by the reading feedback of grating scale, realizes
The automatic measurement of random length and diameter rope under certain pretension.
The technical solution adopted for the present invention to solve the technical problems is:Including workbench, platform adjustment mechanism, pulley
Mechanism, screw mechanism, decelerator and power transmission mechanism, computer and data acquisition unit, reference pins, the workbench is
Other each parts provide support；Platform adjustment mechanism is located at below workbench, and two pulley mechanisms are separately mounted to work and put down
Platform upper end, screw mechanism is fixed on middle part on workbench, and decelerator and power transmission mechanism pass through shaft coupling and silk
Thick stick is co-axially mounted, and two reference pins are separately fixed on workbench, the both sides positioned at screw mechanism one end；
The platform adjustment mechanism includes support chassis, platform support, height regulation stud, adjusting nut, platform support
For frame structure, height regulation stud is fixed on the lower end of four columns of platform support, and is connected with support chassis, adjusts spiral shell
Mother coordinates installed in the lower end of column with height regulation stud；
The pulley mechanism includes pulley, pulley support, pulley bracket, and pulley support is on trapezium structure, pulley support
Portion is inclined-plane, and there is attachment lug with holes on pulley support both sides base, and pulley is connected with pulley bracket by bearing pin, pulley bracket peace
On pulley support, two pulley support Parallel Symmetrics are fixed on same one end on workbench；
The screw mechanism includes alignment pin, leading screw bearing, spring bearing, guide rail, leading screw, feed screw nut, extending arm, light
Electric limiter, limiter catch, grating scale, grating ruler reading head, leading screw bearing is by two alignment pin location and installations in work
On platform, spring bearing is embedded in the two ends of leading screw bearing, and leading screw is arranged in leading screw bearing by spring bearing, leading screw both sides
There is guide rail, feed screw nut is connected with leading screw, and coordinate installation with guide rail, two photoelectric position limit devices are separately fixed at leading screw bearing one
The two ends of side, limiter catch is arranged on feed screw nut, and grating scale is pasted onto the side of leading screw bearing, and grating ruler reading head leads to
Cross support to be fixed on feed screw nut, the grating ruler reading head length for showing rope in real time relative with grating scale, grating scale precision
For 0.5 μm；The extending arm includes extending arm pedestal, L-type locating piece, rotating dog, bearing, bearing upper end cover, bearing bottom end cover,
Bearing is fixed with the base aperture at extending arm pedestal two ends, rotating dog is arranged on bearing inner race, and rotating dog top is circumferentially fluted,
Bearing upper end cover is separately fixed in extending arm base aperture with bearing bottom end cover, and L-type locating piece is located at the downside of extending arm pedestal,
Extending arm pedestal is positioned by L-type locating piece and feed screw nut, and extending arm pedestal is connected with feed screw nut；
The decelerator and power transmission mechanism include shaft coupling, conic reducer, electromagnetic clutch, planetary reduction gear
Machine, servomotor, mounting seat, manual reductor, handwheel, bevel gear, conic reducer case, gear axle bearing, decelerator are defeated
Shaft, electromagnetic clutch contact, mounting seat is by alignment pin location and installation on workbench, and conic reducer subtracts with planet
Fast machine, manual reductor are fixed in mounting seat；Reducer output shaft is connected by shaft coupling with leading screw, two bevel gear difference
On two gear shafts, and two bevel gears are meshed, and two gear shafts are fixed on bevel gear by gear axle bearing and subtracted
In fast device case, the other end of one of gear shaft is connected with electromagnetic clutch, and electromagnetic clutch is connected with manual reductor, hand
Wheel is arranged on manual reductor, and electromagnetic clutch contact is arranged on the side of electromagnetic clutch；Another gear shaft it is another
End is connected with electromagnetic clutch, and planetary reducer is located at the middle part of electromagnetic clutch and servomotor, planetary reducer one
End is connected with electromagnetic clutch, and the other end is connected with servomotor, and electromagnetic clutch contact is arranged on the side of electromagnetic clutch；
The computer and data acquisition unit control servomotor to rotate by software, and the reality of collection grating scale feedback
When data, realize the linear measure longimetry of rope.
The reference pins of the pulley and homonymy, rotating dog are located on same axis.
Beneficial effect
The present invention is used for the high-precision automatic measuring device of rope length, using electronic, manual two kinds of input patterns, power
Inputted by servomotor input or the manual handwheel that rotates, the switching of power input is realized by electromagnetic clutch.Servomotor
During input power, measurement apparatus fully achieves automation；Computer and data acquisition unit need what is measured by programme-control
The length of rope, the rotation of servomotor is controlled by software, and the length of rope is shown in real time by the reading feedback of grating scale,
And the data of collection grating scale feedback, realize measurement accuracy≤0.02mm.
The present invention is used for the high-precision automatic measuring device of rope length, and plant capacity is low, efficiency high, safe and reliable, surveys
Accuracy of measurement is high, and the rope length high-precision automatic for being particularly suitable for random length and arbitrary diameter rope under certain pretension is surveyed
Amount.
Brief description of the drawings
Make below in conjunction with the accompanying drawings with the embodiment high-precision automatic measuring device for rope length a kind of to the present invention
It is further described.
Fig. 1 is the high-precision automatic measuring schematic device of rope length of the present invention.
Fig. 2 is height adjustment mechanism axonometric drawing of the invention.
Fig. 3 is pulley mechanism axonometric drawing of the invention.
Fig. 4 is screw mechanism schematic diagram of the invention.
Fig. 5 is grating scale of the invention and grating ruler reading head position schematic diagram.
Fig. 6 is extending arm schematic diagram of the invention.
Fig. 7 is conic reducer axonometric drawing of the invention.
Fig. 8 is decelerator and power transmission mechanism axonometric drawing of the invention.
In figure:
1. the shaft coupling of 6. screw mechanism of support chassis 2. platform support, 3. workbench, 4. pulley mechanism, 5. reference pins 7.
The mounting seat 13. of 11. servomotor of device 8. conic reducer, 9. electromagnetic clutch, 10. planetary reducer 12. is slowed down manually
The pulley branch of 19. pulley of machine 14. handwheel, 15. alignment pin, 16. height regulation stud, 17. adjusting nut, 18. pulley support 20.
The photoelectric position limit device of 26. feed screw nut of frame 21. leading screw bearing, 22. spring bearing, 23. guide rail, 24. leading screw, 25. extending arm 27.
28. the bearing upper end cover 33.L types locating piece 34. of 31. rotating dog of limiter catch 29. bearing bottom end cover, 30. bearing 32. is stretched
Open up the bevel gear of 38. reducer output shaft of arm pedestal 35. grating scale, 36. grating ruler reading head, 37. conic reducer case 39.
40. the electromagnetic clutch contact of gear axle bearing 41.
Embodiment
The present embodiment is a kind of high-precision automatic measuring device for rope length.
Refering to Fig. 1~Fig. 8, the present embodiment is used for the high-precision automatic measuring device of rope length, by workbench, platform
Governor motion, pulley mechanism, screw mechanism, decelerator and power transmission mechanism, computer and data acquisition unit and reference pins
Composition；Workbench provides support for other each parts；Platform adjustment mechanism is located at below workbench, two pulley mechanisms point
Not An Zhuan workbench upper end, screw mechanism is fixed on middle part on workbench, decelerator and power transmission mechanism
It is co-axially mounted by shaft coupling with leading screw, two reference pins are separately fixed on workbench, the both sides of screw mechanism one end；Meter
Calculation machine and data acquisition unit control servomotor and gathered data.
Platform adjustment mechanism includes support chassis 1, platform support 2, height regulation stud 16, adjusting nut 17, platform branch
Frame 2 is tower structure, and height regulation stud 16 is fixed on the lower end of four columns of platform support 2, and connects with support chassis 1
Connect, adjusting nut 17 is arranged on the lower end of four columns of platform support 2, adjusting nut 17 coordinates with height regulation stud 16.
Pulley mechanism 4 includes pulley 19, pulley support 18, pulley bracket 20, and pulley support 18 is trapezium structure, pulley branch
18 tops of seat are to have four screws on inclined-plane, the inclined-plane of pulley support 18, and there is attachment lug with holes on the both sides base of pulley support 18；
Pulley bracket 20 is L-type, and four through holes are arranged at bottom, and pulley 19 is connected with pulley bracket 20 by bearing pin, and pulley bracket 20 passes through
It is bolted on pulley support 18, two pulley supports 18 are separately mounted to same one end on workbench 3 by bolt.
Screw mechanism 6 include leading screw bearing 21, spring bearing 22, guide rail 23, leading screw 24, feed screw nut 26, extending arm 25,
Photoelectric position limit device 27, limiter catch 28, grating scale 35, grating ruler reading head 36, leading screw bearing 21 are positioned by alignment pin 15
It is fixed on workbench, spring bearing 22 is embedded in the two ends of leading screw bearing 21, leading screw 24 is arranged on by spring bearing 22
In leading screw bearing 21, there is guide rail 23 both sides of leading screw 24, and feed screw nut 26 coordinates with guide rail 23 to be installed, and feed screw nut 26 is moved along guide rail
It is dynamic；Photoelectric position limit device 27 is separately mounted to the two ends of the side of leading screw bearing 21, and limiter catch 28 is arranged on feed screw nut 26,
Grating scale 35 is pasted onto the side of leading screw bearing 21, and grating ruler reading head 36 is fixed on feed screw nut 26 by support, grating
Ruler reading head 36 is relative with grating scale 35, in real time the length of display rope, and the precision of grating scale 35 is 0.5 μm.Leading screw length is
1000mm, then measurable rope length fluctuation range is 50~1000mm, and precision is 0.01mm.Change the initial of reference pins 5
Position, can increase or reduce the measurement range of rope, realize the measurement of random length rope.
Extending arm 25 is by extending arm pedestal 34, L-type locating piece 33, rotating dog 31, bearing 30, bearing upper end cover 32, bearing
Bottom end cover 29 is constituted；Bearing 30 is fixed with the base aperture at the two ends of extending arm pedestal 34, rotating dog 31 is arranged on bearing inner race, rotation
31 tops of shipping and reselling on another market are circumferentially fluted, prevent in rope length measurement process, and rope departs from rotating dog 31；Measure different-diameter
Rope, rotating dog groove size is different, now needs to change rotating dog 31, realizes the measurement of different-diameter rope.Bearing upper end cover
32 are separately fixed in extending arm base aperture with bearing bottom end cover 29 and are bolted, and L-type locating piece 33 is arranged on extending arm
The downside of pedestal 34, extending arm pedestal 34 is positioned by L-type locating piece 33 with feed screw nut 26, extending arm pedestal 34 and leading screw spiral shell
Mother 26 is fixedly connected.
Decelerator and power transmission mechanism include shaft coupling 7, conic reducer 8, electromagnetic clutch 9, planetary reducer
10th, servomotor 11, mounting seat 12, manual reductor 13, handwheel 14, bevel gear 39, conic reducer case 37, gear shaft axle
40, reducer output shaft 38, electromagnetic clutch contact 41 are held, mounting seat 12 is by positioning finger setting, installed in workbench 3
On, conic reducer 8 is fixed in mounting seat 12 with planetary reducer 10, manual reductor 13；Reducer output shaft 38 leads to
Cross shaft coupling 7 to be connected with leading screw 24, two bevel gears 39 are separately mounted on two gear shafts, and two bevel gears 39 mutually nibble
Close, two gear shafts are fixed in conic reducer case 37 by gear axle bearing 40, wherein, the other end of a gear shaft
It is connected with electromagnetic clutch 9, electromagnetic clutch 9 is connected with manual reductor 13, handwheel 14 is arranged on manual reductor 13, electricity
Magnet clutch contact 41 is arranged on the side of electromagnetic clutch 9；The other end of another gear shaft is connected with electromagnetic clutch 9, OK
Star reductor 10 is located at the middle part of electromagnetic clutch 9 and servomotor 11, the one end of planetary reducer 10 and electromagnetic clutch 9
Connection, the other end is connected with servomotor 11, and servomotor 11 is located at the side of mounting seat 12, and electromagnetic clutch contact 41 is arranged on
The side of electromagnetic clutch 9；The reference pins 5 of pulley 19 and homonymy, rotating dog 31 are located on same axis.Computer and data acquisition
Unit controls the rotation of servomotor 11, and the real time data that collection grating scale 35 feeds back by software, realizes the length of rope
Measurement.
During the high-precision automatic measuring device work of rope length, required first according to rope length, determine benchmark pins position
Put, and according to the diameter of rope, reference pins 5 and rotating dog 31 of the selection with suitable recess；Rope free end is wound on benchmark
On pin 5, then around in the groove of the rotating dog 31 on extending arm, free end is bypassed into pulley 19, rope hangs down naturally；To make
Rope is tensioned, and need to hang the counterweight of certain mass on request in the free end of rope.During using electronic input, by electric end clutch
Device is closed, and end clutch disconnects manually, is rotated by computer-controlled servo motor 11, after slowing down through planetary reducer 10, moves
Power is sent to conic reducer 8, drives leading screw 24 to rotate, and the convert rotational motion of leading screw 24 is transported for the straight line of feed screw nut 26
It is dynamic, drive extending arm 25, limiter catch 28, grating ruler reading head 36 and the synchronizing moving of feed screw nut 26, grating ruler reading head
The real time data of 36 feedbacks increases with the movement of feed screw nut 26, is now wound on the rope between reference pins 5 and rotating dog 31
It is elongated；When the data that grating scale 35 is fed back to reach the length measured required for rope, and during precision≤0.02mm, servo electricity
Machine 11 is automatically stopped rotation, completes measurement.The reference pins 5 on rotating dog 31 and workbench 3 on extending arm 25 respectively have two,
Two length identical ropes can be measured simultaneously.If because mechanical breakdown, or rope length fluctuation exceed screw travel, leading screw
Nut 26 reaches end, and limiter catch 28 is moved at photoelectric position limit device 27, transmits a signal to computer, software is known automatically
Not, servomotor 11 stops operating.During using manually operated input, then electric end clutch is disconnected, end clutch is closed manually
Close, rotate handwheel 14, power is sent to conic reducer 8 by manual reductor 13, drives leading screw 24 to rotate, leading screw 24
Convert rotational motion is the linear motion of feed screw nut 26, finally, is surveyed required for the data that grating scale is fed back to reach rope
The length of amount, and during precision≤0.02mm, rotation is stopped operation, complete measurement.During manual operation can measure two ropes simultaneously
Son.
Claims (2)
1. a kind of high-precision automatic measuring device for rope length, it is characterised in that:Including workbench, platform regulation machine
Structure, pulley mechanism, screw mechanism, decelerator and power transmission mechanism, computer and data acquisition unit, reference pins, the work
Make platform and provide support for other each parts；Platform adjustment mechanism is located at below workbench, and two pulley mechanisms are respectively mounted
In workbench upper end, screw mechanism is fixed on middle part on workbench, and decelerator and power transmission mechanism pass through connection
Axle device is co-axially mounted with leading screw, and two reference pins are separately fixed on workbench, the both sides positioned at screw mechanism one end；
The platform adjustment mechanism includes support chassis, platform support, height regulation stud, adjusting nut, and platform support is frame
Frame structure, height regulation stud is fixed on the lower end of four columns of platform support, and is connected with support chassis, adjusting nut peace
Coordinate mounted in the lower end of column and height regulation stud；
The pulley mechanism includes pulley, pulley support, pulley bracket, and pulley support is trapezium structure, and pulley support top is
There is attachment lug with holes on inclined-plane, pulley support both sides base, and pulley is connected with pulley bracket by bearing pin, and pulley bracket is arranged on
On pulley support, two pulley support Parallel Symmetrics are fixed on same one end on workbench；
The screw mechanism includes alignment pin, leading screw bearing, spring bearing, guide rail, leading screw, feed screw nut, extending arm, photoelectricity limit
Position device, limiter catch, grating scale, grating ruler reading head, leading screw bearing is by two alignment pin location and installations in workbench
On, spring bearing is embedded in the two ends of leading screw bearing, and leading screw is arranged in leading screw bearing by spring bearing, and leading screw both sides are led
Rail, feed screw nut is connected with leading screw, and coordinates installation with guide rail, and two photoelectric position limit devices are separately fixed at leading screw bearing side
Two ends, limiter catch is arranged on feed screw nut, and grating scale is pasted onto the side of leading screw bearing, and grating ruler reading head passes through branch
Frame is fixed on feed screw nut, the grating ruler reading head length for showing rope in real time relative with grating scale, and grating scale precision is 0.5
μm；The extending arm includes extending arm pedestal, L-type locating piece, rotating dog, bearing, bearing upper end cover, bearing bottom end cover, stretches
Bearing is fixed with the base aperture at arm pedestal two ends, rotating dog is arranged on bearing inner race, and rotating dog top is circumferentially fluted, bearing
Upper end cover is separately fixed in extending arm base aperture with bearing bottom end cover, and L-type locating piece is located at the downside of extending arm pedestal, is stretched
Arm pedestal is positioned by L-type locating piece and feed screw nut, and extending arm pedestal is connected with feed screw nut；
The decelerator and power transmission mechanism include shaft coupling, conic reducer, electromagnetic clutch, planetary reducer, watched
Take motor, mounting seat, manual reductor, handwheel, bevel gear, conic reducer case, gear axle bearing, reducer output shaft,
Electromagnetic clutch contact, mounting seat by alignment pin location and installation on workbench, conic reducer and planetary reducer,
Manual reductor is fixed in mounting seat；Reducer output shaft is connected by shaft coupling with leading screw, and two bevel gears are respectively mounted
On two gear shafts, and two bevel gears are meshed, and two gear shafts are fixed on conic reducer by gear axle bearing
In case, the other end of one of gear shaft is connected with end electromagnetic clutch manually, manually end electromagnetic clutch and deceleration manually
Machine is connected, and handwheel is arranged on manual reductor, and electromagnetic clutch contact is arranged on the side of end electromagnetic clutch manually；It is another
The other end of individual gear shaft is connected with electric end electromagnetic clutch, and planetary reducer is located at electric end electromagnetic clutch and servo electricity
The middle part of machine, planetary reducer one end is connected with electric end electromagnetic clutch, and the other end is connected with servomotor, another
Electromagnetic clutch contact is arranged on the side of electric end electromagnetic clutch；
The computer and data acquisition unit control servomotor to rotate by software, and the real-time number of collection grating scale feedback
According to realizing the linear measure longimetry of rope.
2. the high-precision automatic measuring device according to claim 1 for rope length, it is characterised in that:The pulley
Reference pins, rotating dog with homonymy are located on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106497.XA CN104697453B (en) | 2015-03-11 | 2015-03-11 | A kind of high-precision automatic measuring device for rope length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106497.XA CN104697453B (en) | 2015-03-11 | 2015-03-11 | A kind of high-precision automatic measuring device for rope length |
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| CN104697453A CN104697453A (en) | 2015-06-10 |
| CN104697453B true CN104697453B (en) | 2017-10-10 |
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| CN105716553A (en) * | 2016-02-02 | 2016-06-29 | 三明市前创微控科技有限公司 | Variable length standard device |
| CN106770952A (en) * | 2016-12-22 | 2017-05-31 | 合肥汉德贝尔属具科技有限公司 | Suitable for the transmission device of detection probe |
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| CN111607997A (en) * | 2020-06-01 | 2020-09-01 | 上海宇航系统工程研究所 | Tension-displacement measurement and control and crimping equipment for flexible rope |
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| CN113547487A (en) * | 2021-08-02 | 2021-10-26 | 昆山世纪三友测量技术有限公司 | Fast and slow switching device |
| CN113739735A (en) * | 2021-08-31 | 2021-12-03 | 普宙科技(深圳)有限公司 | Electric winch device with automatic limiting and rope length detecting functions |
| CN115900565B (en) * | 2023-02-28 | 2023-05-30 | 深圳联颖通讯有限公司 | Computer data line length meter |
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| CN104697453A (en) | 2015-06-10 |
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Inventor after: Zhao Ning Inventor after: Zhou Ruchuan Inventor after: Yang Xiaohui Inventor after: Wang Jianhui Inventor after: Liu Guili Inventor after: Zhang Ting Inventor after: Huang Li Inventor before: Zhao Ning Inventor before: Zhou Ruchuan Inventor before: Wang Jianhui Inventor before: Liu Guili Inventor before: Zhang Ting Inventor before: Huang Li |
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Free format text: CORRECT: INVENTOR; FROM: ZHAO NING ZHOU RUCHUAN WANG JIANHUI LIU GUILI ZHANG TING HUANG LI TO: ZHAO NING ZHOU RUCHUAN YANG XIAOHUI WANG JIANHUI LIU GUILI ZHANG TING HUANG LI |
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