CN103575533B - A kind of experimental provision and method of testing rope sheave slip properties - Google Patents
A kind of experimental provision and method of testing rope sheave slip properties Download PDFInfo
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- CN103575533B CN103575533B CN201310578672.6A CN201310578672A CN103575533B CN 103575533 B CN103575533 B CN 103575533B CN 201310578672 A CN201310578672 A CN 201310578672A CN 103575533 B CN103575533 B CN 103575533B
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Abstract
The present invention relates to a kind of experimental provision and method of testing rope sheave slip properties, this device comprises support grillage, base, driver element, detecting unit, performance element and control module; Wherein driver element is based on motor, screw mandrel and guide rod, detecting unit is based on rotary encoder, draw bar displacement sensor, performance element based on slide unit, silk rope and pulley, on the support grillage that parts are fixed on submounts by fastening bolt or screw and bearing.Control system of the present invention additionally provides SCM Based lower computer system and the master system based on LabVIEW, and gives Data Management Analysis method.The invention solves the problem of the experimental provision not testing at present rope sheave slip properties specially, can be used for the test experiments of rope sheave slip properties under different materials, different pressures or friction speed condition, for evaluating the slip properties in rope sheave motion.Apparatus structure of the present invention is simple, and easy to operate, adopt and computerized control, degree of accuracy is high.
Description
Technical field
The present invention relates to a kind of experimental provision and method of testing rope sheave slip properties, be specifically related to a kind of experimental provision and method of testing rope sheave slip properties under different materials, different pressures or friction speed condition.
Background technology
In the subjects such as physics, materialogy, mechanical engineering, the problem that silk rope moves and skids on pulley is a very general problem, the characteristic rule of skidding requires study, rope sheave skids and has relation, more complicated with the material of the stressing conditions of silk rope, pulley and silk rope, the envelope angle size etc. of silk rope to pulley.As hung etc. in engineering equipment at elevator, row, the gear train of silk rope and pulley construction system, the slippery conditions pole of silk rope and pulley needs to detect, during guarantee runs or work time stablizing and safety.Know rope sheave slip properties if can study, this safeguards to have very important directive significance by the safe construction of the said equipment and normality.But at present, the test for rope sheave slip properties does not but also have technical manual and industry standard, therefore need to study test rope sheave slip properties, and formulate corresponding technical manual and industry standard.
Summary of the invention
The object of the invention is the problem in order to solve the experimental provision not testing at present rope sheave slip properties specially, and a kind of experimental provision testing rope sheave slip properties under different materials, different pressures or friction speed condition is provided; And for using this experimental provision to provide a kind of method of carrying out rope sheave slip properties test experiments.
In order to achieve the above object, the technical solution used in the present invention is: provide a kind of experimental provision of application testing rope sheave slip properties to carry out the method for testing, and experimental provision used comprises support grillage, base, driver element, detecting unit, performance element and control module;
Described support grillage is affixed by base trip bolt and base, and individual chain-wales is arranged at support grillage top;
Described driver element comprises motor, screw mandrel base trip bolt, motor trip bolt, screw mandrel base, guide rod base, screw mandrel and guide rod, described motor is tubular shaft stepper motor or servomotor, motor is affixed with the lower surface supporting grillage top chain-wales by motor trip bolt, screw mandrel base is fixed in by screw mandrel base trip bolt and supports on the chain-wales of grillage top, guide rod base is fixed in the same way and supports on the chain-wales of grillage top, screw mandrel lower end coordinates with interference fit or keyway and is connected with the center pit of hollow spindle-type stepper motor or servomotor, screw mandrel slide block is arranged on screw mandrel, guide rod slide block set is on guide rod, screw mandrel slide block and guide rod slide block respectively by screw mandrel slide block trip bolt and guide rod slide block trip bolt and slide unit affixed,
Described detecting unit comprises encoder support, scrambler support, draw bar displacement sensor, positioning lathe dog, positioning lathe dog trip bolt, scrambler support fastening bolt, rotary encoder, scrambler trip bolt, encoder support fastening bolt; Described performance element comprises slide unit, screw mandrel slide block trip bolt, screw mandrel slide block, guide rod slide block trip bolt, guide rod slide block, pulley, silk rope, pulley dog screw; Scrambler support by scrambler support fastening bolt with support grillage affixed, encoder support by encoder support fastening bolt and scrambler support affixed; Described rotary encoder is affixed by scrambler trip bolt and encoder support, rotary encoder coupling shaft pass through pulley dog screw and pulley affixed; It is silk rope guiding that pulley is circumferentially designed with groove, described silk rope is around in the groove of pulley, the side of the side and cylinder lever connecting rod displacement transducer that connect slide unit after silk rope pretension is all perpendicular to chain-wales, the plane at the silk rope place of both sides is parallel with face of pulley, silk rope one end and slide unit affixed, the other end and draw bar displacement sensor affixed; Described draw bar displacement sensor is affixed with support grillage bottom by positioning lathe dog trip bolt by positioning lathe dog, supports in the chain-wales of grillage upper end and is designed with draw bar displacement sensor carriage release lever by required through hole;
Described control module comprises slave computer Single Chip Microcomputer (SCM) system and the upper PCs system based on LabVIEW software, slave computer Single Chip Microcomputer (SCM) system is used for signals collecting to displacement transducer and encoder transmission and conditioning, upper PCs system for controlling motor movement and controlling slave computer Single Chip Microcomputer (SCM) system, and carries out analyzing and processing, data Storage & Display to the information received;
Silk rope of the present invention is around in the groove of pulley, and the side of the side and cylinder lever connecting rod displacement transducer that connect slide unit after silk rope pretension is all perpendicular to chain-wales, and the plane at the silk rope place of both sides is parallel with face of pulley.
Described motor, draw bar displacement sensor are connected with slave computer Single Chip Microcomputer (SCM) system with signal wire with the power lead of rotary encoder, and slave computer Single Chip Microcomputer (SCM) system is by RS232/485 serial ports and upper PCs system communication.
Method of testing comprises the following steps:
A. experimental provision is put steadily, connect the circuit between experimental provision and slave computer Single Chip Microcomputer (SCM) system, connect slave computer Single Chip Microcomputer (SCM) system and upper PCs system with Serial Port Line, then start upper PCs system and slave computer Single Chip Microcomputer (SCM) system;
B. slowly rotated by upper PCs Systematical control motor, electric machine rotation drives the rotation of screw mandrel, drives slide unit slowly to rise after screw mandrel rotates, and adjusts slide unit to guide rod top as initial position;
If c. test the rope sheave slip properties under different materials condition:, require to select the pulley of different materials and silk rope to test according to test experiments, two ends of first being restricted by silk when installing silk rope to be fixed on slide unit and the carriage release lever top of draw bar displacement sensor respectively, then silk rope is walked around the groove of pulley, finally adjust the carriage release lever of draw bar displacement sensor to zero-bit initial position;
D. experimentally to the requirement of silk rope movement velocity and pressure, in upper PCs system, carry out the setting of motor speed, and carry additionally corresponding counterweight in the mobile terminal of draw bar displacement sensor;
E. starter motor, drive screw mandrel rotates, screw mandrel slide block drives slide unit to move down, guide rod slide block moves downward along guide rod, move down under the drive of silk rope now in slide unit one end at slide unit, effect pulley driving rotary encoder by the friction of silk rope and pulling force rotates, and the carriage release lever of draw bar displacement sensor stretches out;
F. during experimental provision runs, the signal of draw bar displacement sensor and rotary encoder is delivered to signals collecting and the conditioning unit of slave computer Single Chip Microcomputer (SCM) system, slave computer Single Chip Microcomputer (SCM) system adopts serial communication, the upper PCs system be sent to based on LabVIEW software by RS232/485 carries out Data Analysis Services, by real-time for data writing in files, disable motor when slide unit comes downwards to end position, the numerical value of observation test result and image on host computer display screen.
Experimental provision and the method beneficial effect of test rope sheave slip properties of the present invention are:
(1). driver element, detecting unit and performance element, organically combine for skeleton with base, support grillage by the present invention, and structure is simple, with low cost, for test rope sheave slip properties provides reliable and stable hardware platform.
(2). the present invention can arrange different speed and carry out test experiments in upper PCs system, under different pressures condition, test experiments is carried out by carrying additionally counterweight, in addition, the present invention can convert the silk rope of different materials and pulley carries out test experiments, and when converting silk rope and pulley, do not need other parts of attaching/detaching apparatus, the test experiments under multiple condition can be carried out, regulate simple, easy to use.
(3). the realization of method of testing of the present invention is based on slave computer Single Chip Microcomputer (SCM) system and upper PCs system layer cooperation control, and the Treatment Analysis of data is wherein built-in, simple to operate, and error rate is low, saves the test duration, has very high testing efficiency.
Accompanying drawing explanation
Fig. 1 is the experimental provision one-piece construction schematic front view that the present invention tests rope sheave slip properties.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the experimental provision control system block diagram that the present invention tests rope sheave slip properties.
Fig. 4 is the experimental provision host computer workflow diagram that the present invention tests rope sheave slip properties.
In above-mentioned figure: 1-base, 2-supports grillage, the hollow spindle-type stepper motor of 3-or servomotor, 4-screw mandrel base trip bolt, 5-motor trip bolt, 6-screw mandrel base, 7-guide rod base, 8-slide unit, 9-screw mandrel slide block trip bolt, 10-screw mandrel slide block, 11-screw mandrel, 12-guide rod slide block trip bolt, 13-guide rod slide block, 14-guide rod, 15-encoder support, 16-pulley, 17-silk rope, 18-scrambler support, 19-draw bar displacement sensor, 20-positioning lathe dog, 21-positioning lathe dog trip bolt, 22-scrambler support fastening bolt, 23-base trip bolt, 24-rotary encoder, 25-pulley dog screw, 26-scrambler trip bolt, 27-encoder support fastening bolt.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1: a kind of experimental provision testing rope sheave slip properties of the present invention, see Fig. 1 and Fig. 2, described experimental provision comprises support grillage 2, base 1, driver element, detecting unit, performance element and control module.Described support grillage 2 is affixed by four base trip bolts 23 and base 1, and supporting grillage 2 top has individual chain-wales.
Described driver element comprises motor 3, screw mandrel base trip bolt 4, motor trip bolt 5, screw mandrel base 6, guide rod base 7, screw mandrel 11 and guide rod 14, in the present embodiment, motor 3 adopts hollow spindle-type stepper motor, motor 3 is affixed with support chain-wales lower surface, grillage 2 top by motor trip bolt 5, screw mandrel base 6 is affixed with support chain-wales upper surface, grillage 2 top by screw mandrel base trip bolt 4, guide rod base 7 is fixed in the same way and supports on upper surface, grillage 2 top, screw mandrel 11 lower end is connected with the center pit of interference fit with hollow spindle-type stepper motor 3, screw mandrel slide block 10 is arranged on screw mandrel 11, guide rod slide block 13 is enclosed within guide rod 14, screw mandrel slide block 10 and guide rod slide block 13 respectively by screw mandrel slide block trip bolt 9 and guide rod slide block trip bolt 12 affixed with slide unit 8.
Described detecting unit comprises encoder support 15, scrambler support 18, draw bar displacement sensor 19, positioning lathe dog 20, positioning lathe dog trip bolt 21, scrambler support fastening bolt 22, rotary encoder 24, scrambler trip bolt 26, encoder support fastening bolt 27; Scrambler support 18 is affixed with support grillage 2 by scrambler support fastening bolt 22, and encoder support 15 is affixed by encoder support fastening bolt 27 and scrambler support 18; Described rotary encoder 24 is affixed by scrambler trip bolt 26 and encoder support 15, rotary encoder 24 coupling shaft is affixed by pulley dog screw 25 and pulley 16, it is that silk rope 17 leads that pulley 16 is circumferentially designed with groove, silk rope 17 one end and slide unit 8 affixed, the other end and draw bar displacement sensor 19 affixed; Described draw bar displacement sensor 19 is affixed with support grillage 2 bottom by positioning lathe dog trip bolt 21 by positioning lathe dog 20, supports grillage 2 upper surface and is designed with draw bar displacement sensor 19 carriage release lever by required through hole.
Described performance element comprises slide unit 8, screw mandrel slide block trip bolt 9, screw mandrel slide block 10, guide rod slide block trip bolt 12, guide rod slide block 13, pulley 16, silk rope 17, pulley dog screw 25.Described silk rope 17 is around in the groove of pulley 16, and the side connecting the side of slide unit and cylinder lever connecting rod displacement transducer 19 after 17 pretensions restricted by silk is all vertical, and the plane that two lateral filament ropes form is parallel with pulley 16 end face.
The present invention is a kind of tests the control system block diagram of rope sheave slip properties experimental provision see Fig. 3, motor 3 in described experimental provision, the power lead of draw bar displacement sensor 19 and rotary encoder 24 and signal wire are connected to slave computer Single Chip Microcomputer (SCM) system, the displacement transducer signal that draw bar displacement sensor 19 and rotary encoder 24 gather and scrambler detection signal, deliver to signals collecting and the conditioning unit of slave computer Single Chip Microcomputer (SCM) system respectively, slave computer Single Chip Microcomputer (SCM) system is contacted with setting up based on the upper PCs system of LabVIEW software by RS232/485 serial communication, by upper PCs Systematical control motor movement and Treatment Analysis data, to show that numerical result and image show on computer display, data and file are stored in database simultaneously.
In the present invention, host computer workflow diagram is see Fig. 4, and first host computer configures serial ports and file by operation interface after starting; Then automatic reception slave computer data of sending carry out Logic judgment, when receiving misdata if judge, directly close serial ports, prompting mistake, reconfigures; If judge when receiving correct data, data are read out the text that writes direct, and are to bundle data transformations after byte arrays simultaneously, carry out data with image show, closedown serial ports preservation file when completing to data receiver.
The present invention also provides a kind of method of testing applying the experimental provision of above-mentioned test rope sheave slip properties, comprise the following steps: a. experimental provision is put steadily, connect the circuit between experimental provision and slave computer Single Chip Microcomputer (SCM) system, connect slave computer Single Chip Microcomputer (SCM) system and upper PCs system with Serial Port Line, then start upper PCs system and slave computer Single Chip Microcomputer (SCM) system.
B. control hollow spindle-type stepper motor or servomotor 3 slowly rotates, the rotation of screw mandrel 11 drives slide unit 8 slowly to rise, the initial position on adjustment slide unit 8 to guide rod 14 top; Rope sheave slip properties under test different materials, different pressures or friction speed condition.
If c. test the rope sheave slip properties under different materials condition:, require to select the pulley 16 of different materials and silk rope 17 to test according to test experiments, install silk restrict 17 time two ends of first silk being restricted to be fixed in respectively on slide unit 8 and the carriage release lever top of draw bar displacement sensor 19, then silk rope 17 is walked around the groove of pulley 16, finally adjust the carriage release lever of draw bar displacement sensor 19 to zero-bit initial position.
D. experimentally restrict to silk the requirement of 17 movement velocitys and pressure, the speed of carrying out hollow spindle-type stepper motor or servomotor 3 in upper PCs system is arranged, and method carrys additionally corresponding counterweight in the mobile terminal of draw bar displacement sensor 19.
E. hollow spindle-type stepper motor or servomotor 3 is started, screw mandrel 11 rotates, screw mandrel slide block 10 drives slide unit 8 to move down, guide rod slide block 13 moves along guide rod 14, now silk 17 one end of restricting move down under the drive of slide unit 8, effect pulley 16 driven rotary scrambler 24 by silk rope 17 friction and pulling force rotates, and the carriage release lever of draw bar displacement sensor 19 stretches out.
F. in experimental provision operation, the signal of draw bar displacement sensor 19 and rotary encoder 24 is delivered to signals collecting and the conditioning unit of slave computer Single Chip Microcomputer (SCM) system, the upper PCs system that slave computer Single Chip Microcomputer (SCM) system is sent to based on LabVIEW software by RS232/485 serial communication carries out Data Analysis Services, by real-time for data writing in files, slide unit 8 comes downwards to end position, hollow spindle-type stepper motor or servomotor 3 is closed, the numerical value of observation test result and image on host computer display screen when namely touching screw mandrel base 6.
Embodiment 2: a kind of experimental provision testing rope sheave slip properties of the present invention, its structure is substantially the same manner as Example 1, and different just motors 3 adopts servomotor, and screw mandrel 11 lower end is connected by keyway and motor 3.Its method of testing is identical with embodiment 1.
Apparatus structure of the present invention is simple, and with low cost, method of testing of the present invention is easy to operate, and error rate is low, saves the test duration, has very high testing efficiency.Device of the present invention and method of testing can test the rope sheave slip properties under different materials, different pressures or friction speed condition, for the scientific research of the related disciplines such as physics, materialogy, mechanical engineering.
Claims (1)
1. the experimental provision of application testing rope sheave slip properties carries out a method of testing, and experimental provision used comprises and supports grillage, base, driver element, detecting unit, performance element and control module;
Described support grillage is affixed by base trip bolt and base, and individual chain-wales is arranged at support grillage top;
Described driver element comprises motor, screw mandrel base trip bolt, motor trip bolt, screw mandrel base, guide rod base, screw mandrel and guide rod, described motor is tubular shaft stepper motor or servomotor, motor is affixed with the lower surface supporting grillage top chain-wales by motor trip bolt, screw mandrel base is fixed in by screw mandrel base trip bolt and supports on the chain-wales of grillage top, guide rod base is fixed in the same way and supports on the chain-wales of grillage top, screw mandrel lower end coordinates with interference fit or keyway and is connected with the center pit of hollow spindle-type stepper motor or servomotor, screw mandrel slide block is arranged on screw mandrel, guide rod slide block set is on guide rod, screw mandrel slide block and guide rod slide block respectively by screw mandrel slide block trip bolt and guide rod slide block trip bolt and slide unit affixed,
Described detecting unit comprises encoder support, scrambler support, draw bar displacement sensor, positioning lathe dog, positioning lathe dog trip bolt, scrambler support fastening bolt, rotary encoder, scrambler trip bolt, encoder support fastening bolt; Described performance element comprises slide unit, screw mandrel slide block trip bolt, screw mandrel slide block, guide rod slide block trip bolt, guide rod slide block, pulley, silk rope, pulley dog screw; Scrambler support by scrambler support fastening bolt with support grillage affixed, encoder support by encoder support fastening bolt and scrambler support affixed; Described rotary encoder is affixed by scrambler trip bolt and encoder support, rotary encoder coupling shaft pass through pulley dog screw and pulley affixed; It is silk rope guiding that pulley is circumferentially designed with groove, described silk rope is around in the groove of pulley, the side of the side and cylinder lever connecting rod displacement transducer that connect slide unit after silk rope pretension is all perpendicular to chain-wales, the plane at the silk rope place of both sides is parallel with face of pulley, silk rope one end and slide unit affixed, the other end and draw bar displacement sensor affixed; Described draw bar displacement sensor is affixed with support grillage bottom by positioning lathe dog trip bolt by positioning lathe dog, supports in the chain-wales of grillage upper end and is designed with draw bar displacement sensor carriage release lever by required through hole;
Described control module comprises slave computer Single Chip Microcomputer (SCM) system and the upper PCs system based on LabVIEW software, slave computer Single Chip Microcomputer (SCM) system is used for signals collecting to displacement transducer and encoder transmission and conditioning, upper PCs system for controlling motor movement and controlling slave computer Single Chip Microcomputer (SCM) system, and carries out analyzing and processing, data Storage & Display to the information received;
Described motor, draw bar displacement sensor are connected with slave computer Single Chip Microcomputer (SCM) system with signal wire with the power lead of rotary encoder, and slave computer Single Chip Microcomputer (SCM) system is by RS232/485 serial ports and upper PCs system communication;
It is characterized in that method of testing comprises the following steps:
A. experimental provision is put steadily, connect the circuit between experimental provision and slave computer Single Chip Microcomputer (SCM) system, connect slave computer Single Chip Microcomputer (SCM) system and upper PCs system with Serial Port Line, then start upper PCs system and slave computer Single Chip Microcomputer (SCM) system;
B. slowly rotated by upper PCs Systematical control motor, electric machine rotation drives the rotation of screw mandrel, drives slide unit slowly to rise after screw mandrel rotates, and adjusts slide unit to guide rod top as initial position;
If c. test the rope sheave slip properties under different materials condition:, require to select the pulley of different materials and silk rope to test according to test experiments, two ends of first being restricted by silk when installing silk rope to be fixed on slide unit and the carriage release lever top of draw bar displacement sensor respectively, then silk rope is walked around the groove of pulley, finally adjust the carriage release lever of draw bar displacement sensor to zero-bit initial position;
D. experimentally to the requirement of silk rope movement velocity and pressure, in upper PCs system, carry out the setting of motor speed, and carry additionally corresponding counterweight in the mobile terminal of draw bar displacement sensor;
E. starter motor, drive screw mandrel rotates, screw mandrel slide block drives slide unit to move down, guide rod slide block moves downward along guide rod, move down under the drive of silk rope now in slide unit one end at slide unit, effect pulley driving rotary encoder by the friction of silk rope and pulling force rotates, and the carriage release lever of draw bar displacement sensor stretches out;
F. during experimental provision runs, the signal of draw bar displacement sensor and rotary encoder is delivered to signals collecting and the conditioning unit of slave computer Single Chip Microcomputer (SCM) system, slave computer Single Chip Microcomputer (SCM) system adopts serial communication, the upper PCs system be sent to based on LabVIEW software by RS232/485 carries out Data Analysis Services, by real-time for data writing in files, disable motor when slide unit comes downwards to end position, the numerical value of observation test result and image on host computer display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310578672.6A CN103575533B (en) | 2013-11-18 | 2013-11-18 | A kind of experimental provision and method of testing rope sheave slip properties |
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| CN201310578672.6A CN103575533B (en) | 2013-11-18 | 2013-11-18 | A kind of experimental provision and method of testing rope sheave slip properties |
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| CN103575533A CN103575533A (en) | 2014-02-12 |
| CN103575533B true CN103575533B (en) | 2015-11-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104049557A (en) * | 2014-05-12 | 2014-09-17 | 南昌大学 | Connecting rod characteristic analyzing and displaying method based on LabVIEM and single-chip microcomputer |
| CN107219074B (en) * | 2017-06-06 | 2019-12-10 | 北京航空航天大学 | Transmission rigidity testing equipment for space large-torque rope transmission system |
| CN110987492B (en) * | 2019-11-07 | 2021-10-01 | 日立楼宇技术（广州）有限公司 | Testing method of stress testing system of rope wheel device |
| KR102421124B1 (en) * | 2021-12-23 | 2022-07-15 | 주식회사 뷰온 | Rotating body inspection apparatus for electric part |
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| CN1800823A (en) * | 2005-12-27 | 2006-07-12 | 中国矿业大学 | High-speed tester for friction between steel wire rope and liner |
| CN101216381A (en) * | 2008-01-11 | 2008-07-09 | 中国矿业大学 | Multifunctional friction hoisting antiskid experimental device and method |
| CN101456507A (en) * | 2004-05-28 | 2009-06-17 | 三菱电机株式会社 | Elevator rope slippage detection apparatus |
| CN202175483U (en) * | 2011-06-23 | 2012-03-28 | 上海永大电梯设备有限公司 | Novel slippage detecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011076241A1 (en) * | 2011-03-07 | 2012-09-13 | Dekra Industrial Gmbh | Method and device for checking the proper functioning of an elevator |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456507A (en) * | 2004-05-28 | 2009-06-17 | 三菱电机株式会社 | Elevator rope slippage detection apparatus |
| CN1800823A (en) * | 2005-12-27 | 2006-07-12 | 中国矿业大学 | High-speed tester for friction between steel wire rope and liner |
| CN101216381A (en) * | 2008-01-11 | 2008-07-09 | 中国矿业大学 | Multifunctional friction hoisting antiskid experimental device and method |
| CN202175483U (en) * | 2011-06-23 | 2012-03-28 | 上海永大电梯设备有限公司 | Novel slippage detecting device |
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