CN202066658U - Deflection testing machine for cable of coaxial double-sprocket-wheel mechanism - Google Patents
Deflection testing machine for cable of coaxial double-sprocket-wheel mechanism Download PDFInfo
- Publication number
- CN202066658U CN202066658U CN2011201713968U CN201120171396U CN202066658U CN 202066658 U CN202066658 U CN 202066658U CN 2011201713968 U CN2011201713968 U CN 2011201713968U CN 201120171396 U CN201120171396 U CN 201120171396U CN 202066658 U CN202066658 U CN 202066658U
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- wheel
- cone pulley
- coaxial double
- cable
- sprocket
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- Expired - Fee Related
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Abstract
The utility model relates to a deflection testing machine for a cable of a coaxial double-sprocket-wheel mechanism. The deflection testing machine can be used to detect whether an inner lead wire breaks when a flat cable in an elevator is under cyclic and bending loading, so as to determine the quality of the flat cable. A pair of transition wheels at different heights is installed on the two sides of a working bench of an equipment support. A parallel track is arranged in an area between the two transition wheels on the working bench of the equipment support. A cone pulley support holding a pair of reverse cone pulleys is installed on the parallel track. The upper cone wheel in the pair of the cone pulleys is at the same height with the upper transition wheel. The lowest part of the lower cone wheel is at the same height with the highest part of the lower transition wheel. A motor is installed in the lower part of the working bench of the equipment support. The motor connects with the coaxial double-sprocket-wheel mechanism arranged under a table-board of the working bench through a belt. The coaxial double sprocket wheels connect with the cone wheel support and drive the cone wheel support to move around on the parallel track. The deflection testing machine for cable of coaxial double-sprocket-wheel mechanism in the utility model has advantages of high testing precision, simple structure and low cost.
Description
Technical field
The utility model relates to a kind of cable flexure test machine.
Background technology
Fatigue tester is the best instrument of present stage simulation measured workpiece tired situation under actual working state, the testing machine product is tending towards robotization and intellectuality, its technical pattern aspect is analog being digitized gradually and totally digitilized the replacement, makes the structure of product reach the best.
Flat cable uses in elevator often, general all is to be in the case of bending that has certain load in normal operation, after long-time the use part lead of flat cable inside is fractureed, thereby influenced the operate as normal of elevator, security incident takes place even, therefore, select for use the moderate flat cable of counter-bending ability for the bulk life time that improves elevator, the workload that reduces maintenance has crucial meaning.Traditional cable Apparatus for Bending at low-temp all is to adopt beam type structure or eccentric wheel loading structure to test, so not only can not satisfy the characteristics that elevator flat cable rigidity is lower, pliability is high, and accuracy of test is not high yet, and the expense of equipment is also higher.
Summary of the invention
The utility model mainly is in order to overcome the low rigidity of elevator flat cable, the characteristics of high flexibility, provide a kind of flat cable under different counterweights, to finish tired bending test, and the counterweight of testing machine, test number (TN), test frequency all are to regulate, and can check the coaxial double-stranded wheel mechanism cable flexure test machine of the tired situation of cable by parameter in the change test.
The utility model has designed a pair of reverse taper cone pulley, makes to make flat cable keep original state in applying the process of the test of counterweight, has improved the stability of process of the test.Equipment adopts PLC to control, and operating personnel only need test parameters is set by man-machine interface, and equipment just begins automatic operation, and test findings also can directly show by display screen, and intuitive is very strong, device structure simplicity of design, operation easily.
Testing machine has designed can regulate the device of counterweight voluntarily, simulated the stressing conditions of on-the-spot real work, very big dirigibility is arranged, and can be made in test under the different counterweights, then through the contrast best counterweight of this kind cable as can be known the cable of same model.Facts have proved that the factor that influences the cable repeated bend test has crooked pulley, used corner frequency, the cornerite of test, is applied to tension force on the cable and environment temperature or the like, in these factors, tension force has the greatest impact to the bending fatigue of cable, effect is the most obvious, and this also is the reason that counterweight is set on testing machine.
Technical matters of the present utility model mainly solves by following proposal: equipment mainly comprises transition wheel, coaxial double-stranded wheel, equipment supporter, parallel orbit, cone pulley support, taper cone pulley;
The different transition wheel of a pair of level height is installed in the both sides of equipment supporter worktable, in the zone parallel orbit is set between two transition wheels on the equipment supporter worktable, the cone pulley support that a pair of reverse taper cone pulley has been installed is set on the parallel orbit; This taper cone pulley level height to the upside in the taper cone pulley is consistent with the transition wheel of upside, and the lowest part of the taper cone pulley of downside is consistent with the highest point height of the transition wheel of downside; Motor is installed in equipment supporter worktable bottom, and motor connects the coaxial double-stranded wheel mechanism that is arranged under the work top by belt; Coaxial double-stranded wheel connects and drive cone pulley support move left and right on parallel orbit.
Equipment has been installed a pair of reverse taper cone pulley on the cone pulley support of move left and right, on the one hand in order to have overcome the low rigidity of cable self, the characteristics of high flexibility, reverse taper cone pulley is installed can make flat cable bend in process of the test, the cone pulley support is in the process of move left and right on the other hand, moving perpendicular to moving direction can take place in flat cable on transition wheel, normally carrying out of influence test, a pair of reverse taper cone pulley is installed can well be addressed this problem, make flat cable be in case of bending stably all the time, reduce the interference of other factors, improved accuracy of experimental results.
Equipment is the coaxial double-stranded wheel mechanism of design between motor and mobile cone pulley support, has well solved continuous gyration is converted into reciprocal rectilinear motion problem.Motor has passed to power on the coaxial double-stranded wheel mechanism by belt, connection shaft is installed in the middle of the chain of one group of correspondence of chain, connection shaft is in the stem guiding trough of cone pulley support bottom, motion along with chain, guide rod drives the motion of cone pulley support, during space more than connection shaft moves to coaxial double-stranded wheel, guide rod will drive the cone pulley support and move to a direction, move to the extreme position of a side when the cone pulley support, connection shaft also just moves to the following space of coaxial double-stranded wheel simultaneously, and guide rod commutated and made the cone pulley support realize counter motion this moment.Drive motor switch operation has at short notice been avoided in the design of this coaxial double-stranded wheel; make motor just realize the side-to-side movement of mobile device need not commutating; not only protected motor, but also prolonged the bulk life time of equipment, this is an advantage of this equipment.
Equipment has also adopted converter technique, can be directly by changing the frequency and the amplitude of alternating current generator power supply, change the cycle in motor movement magnetic field, reach the purpose of level and smooth control motor, make mobile device when side-to-side movement, keep constant speed, allow the frequency that is applied to the bending stress on the flat cable keep constant value.The application of converter technique makes complicated speed regulating control oversimplify, and has saved power consumption, has dwindled volume, has reduced maintenance rate.
The beneficial effects of the utility model are: the low rigidity that overcomes the elevator flat cable, the characteristics of high flexibility, make flat cable under different counterweights, finish tired bending test, and the counterweight of testing machine, test number (TN), test frequency all are to regulate, and can check the tired situation of cable by parameter in the change test; The accuracy of test height, the equipment simple economy.
Description of drawings
Below in conjunction with accompanying drawing and concrete embodiment the utility model is further described.
Fig. 1 is the schematic diagram of the mechanical part of the utility model flat cable bowing under load testing machine.
Fig. 2 is coaxial double-stranded wheel and cone pulley support annexation synoptic diagram.
Among the figure: 1. transition wheel, 2. coaxial double-stranded wheel, 3. equipment supporter, 4. parallel orbit, 5. cone pulley support, 6. taper cone pulley, 7. chain.
Embodiment
Be described further according to Fig. 1 and some concrete implementation methods below:
In the both sides of equipment supporter 3 worktable the different transition wheel of a pair of level height 1 is installed, in the zone parallel orbit 4 is set between two transition wheels 1 on equipment supporter 3 worktable, the cone pulley support 5 that a pair of reverse taper cone pulley 6 has been installed is set on the parallel orbit 4; These taper cone pulley 6 level heights to the upside in the taper cone pulley 6 are consistent with the transition wheel 1 of upside, and the lowest part of the taper cone pulley 6 of downside is consistent with the highest point height of the transition wheel 1 of downside; Motor is installed in equipment supporter 3 worktable bottoms, and motor connects coaxial double-stranded 2 mechanisms of taking turns that are arranged under the work top by belt; Coaxial double-stranded wheel 2 connects and drive cone pulley support 5 move left and right on parallel orbit 4.
The technical parameter of this testing machine is: supply voltage AC380V ± 10%, frequency 50Hz, the counting maximal value of at room temperature carrying out work, counter are 999999.
Preliminary work before test: whether the power source voltage of checkout facility reaches the scope of design parameter regulation, whether detect control system can operate as normal, flat cable is installed to appointed positions according to the rules, concrete installation method is: elder generation is with one section right-hand member that is fixed on testing machine of cable, then by behind transition wheel 1 and the taper cone pulley 6, again the other end of cable is installed in the right section of testing machine, after the two ends for the treatment of flat cable are all fixed, preprepared counterweight is added in the two ends of cable, next be exactly each terminal in the cable received about corresponding that (operator is during in the face of electric appliance control box in two cable boxes, operator's right side casing is the right side case, and the left side casing is the left side case).
The cable of user test can be divided into odd number core and even number core by the number of core, because different corresponding two kinds of modes of connection of the number kind of core.Adhere rigidly to explanation the carrying out wiring then of the definite earlier cable core number kind of being tested of user's palpus, user's strip off cable makes core expose sufficient length so that wiring, at this moment, can see on the every core all to bear serial numbers that the user just can determine the number of core with this.The mode of connection of even number class core: left and right sides junction box's No. 1 terminal is inserted at the two ends of Line 1 core respectively, and No. 2 terminals among the junction box of the left and right sides are inserted at the two ends of No. 2 cores respectively, by that analogy.(note: the label of core is necessary consistent with the numbering of institute's connecting terminal).After N (maximum core number) root line has connect, No. 60 terminal short circuits in N terminal in the case of right side and the right side case are got final product.The mode of connection of odd number class core and even number class connection are similar substantially, only the chest of short circuit need be changed into the left side case and get final product.
After cable connection finishes, the input test can be used in control panel other parameters such as counterweight dynamics, test number (TN) etc., the mode of operation of equipment comprises automatic operation and manual operation, the most frequently used during general-auto-action, manual operation is generally just used when commissioning device, set up after the automatic operation, the actuating doors of equipment is shut, press start button, equipment can be worked under pre-set parameter automatically, if in the equipment operation process, occur unusual, operating personnel will press scram button rapidly, guarantee not have after the fault restart facility again, treat that testing machine finishes according to program run after, in the cable of seeing test by the corresponding interface fatigue damage that whether bends, thereby judge the quality of cable.
The load capacity that be applied to flat cable on of equipment in process of the test can change, and maximum load is 60kg, and this variable load can satisfy the testing requirements of different cables substantially, has wider range of application.
The utility model is not limited to the foregoing description, and protection domain of the present utility model is all classified in any equivalent concepts or change in the technical scope that the utility model discloses as.
Claims (1)
1. coaxial double-stranded wheel mechanism cable flexure test machine is characterized in that: equipment mainly comprises transition wheel (1), coaxial double-stranded wheel (2), equipment supporter (3), parallel orbit (4), cone pulley support (5), taper cone pulley (6); The different transition wheel of a pair of level height (1) is installed in both sides at equipment supporter (3) worktable, in the zone parallel orbit (4) is set between two transition wheels (1) on equipment supporter (3) worktable, the cone pulley support (5) that a pair of reverse taper cone pulley (6) has been installed is set on the parallel orbit (4); This taper cone pulley (6) level height to the upside in the taper cone pulley (6) is consistent with the transition wheel (1) of upside, and the lowest part of the taper cone pulley of downside (6) is consistent with the highest point height of the transition wheel (1) of downside; Motor is installed in equipment supporter (3) worktable bottom, and motor connects coaxial double-stranded (2) mechanism of taking turns that is arranged under the work top by belt; Coaxial double-stranded wheel (2) connects and drives cone pulley support (5) goes up move left and right at parallel orbit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201713968U CN202066658U (en) | 2011-05-26 | 2011-05-26 | Deflection testing machine for cable of coaxial double-sprocket-wheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201713968U CN202066658U (en) | 2011-05-26 | 2011-05-26 | Deflection testing machine for cable of coaxial double-sprocket-wheel mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066658U true CN202066658U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201713968U Expired - Fee Related CN202066658U (en) | 2011-05-26 | 2011-05-26 | Deflection testing machine for cable of coaxial double-sprocket-wheel mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066658U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215527A (en) * | 2014-10-04 | 2014-12-17 | 远东电缆有限公司 | Cable deflection testing device and testing method thereof |
| CN106018128A (en) * | 2016-05-26 | 2016-10-12 | 芜湖顺成电子有限公司 | Test apparatus for flexibility of low-smoke halogen-free electric wire |
| CN107923831A (en) * | 2015-08-26 | 2018-04-17 | 三菱电机株式会社 | Rope deterioration detecting apparatus and the lift appliance with rope deterioration detecting apparatus |
-
2011
- 2011-05-26 CN CN2011201713968U patent/CN202066658U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215527A (en) * | 2014-10-04 | 2014-12-17 | 远东电缆有限公司 | Cable deflection testing device and testing method thereof |
| CN107923831A (en) * | 2015-08-26 | 2018-04-17 | 三菱电机株式会社 | Rope deterioration detecting apparatus and the lift appliance with rope deterioration detecting apparatus |
| CN107923831B (en) * | 2015-08-26 | 2020-03-20 | 三菱电机株式会社 | Rope deterioration detection device and elevator device provided with rope deterioration detection device |
| CN106018128A (en) * | 2016-05-26 | 2016-10-12 | 芜湖顺成电子有限公司 | Test apparatus for flexibility of low-smoke halogen-free electric wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20140526 |