CN104215511A - Cable environmental stress testing apparatus - Google Patents
Cable environmental stress testing apparatus Download PDFInfo
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- CN104215511A CN104215511A CN201310207402.4A CN201310207402A CN104215511A CN 104215511 A CN104215511 A CN 104215511A CN 201310207402 A CN201310207402 A CN 201310207402A CN 104215511 A CN104215511 A CN 104215511A
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- cable
- environmental stress
- hole
- proving installation
- heating chamber
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Abstract
The invention discloses a cable environmental stress testing apparatus. The apparatus comprises a heating device, a fixing plate, and a positioning shaft for fixing a cable; wherein the heating device comprises a heating chamber for accommodating a surfactant, the fixing plate is arranged on the opening of the heating chamber, the positioning shaft is axially arranged between the fixing plate and the heating chamber, and a cable is wound around the positioning shaft and is soaked in the surfactant. In the apparatus, a cable is fixed on the positioning shaft and is soaked in the surfactant in the heating chamber. After a period of time, the insulation sleeve of the cable is examined to determine whether the sleeve has any crack or not under the co-effect of chemical reagent and mechanical stress (water pressure) so as to guarantee the environmental stress resistant performance of the cable insulation sleeve to prevent accidents caused by the broken cable during the using process, and thus the application safety and reliability of lamps are both improved.
Description
Technical field
The present invention relates to a kind of proving installation, particularly relate to a kind of cable environmental stress proving installation
Background technology
Dedicated lamp is as the high lighting apparatus of a kind of reliability, security, be widely used in all trades and professions, and in light fixture use procedure, the carrier of powering to light fixture is cable, so the fine or not direct relation of cable the reliability of light fixture, whether security is guaranteed.Cable mainly comprises two parts: core and insulating sheath, core i.e. conductor part, and Main Function is the carrier providing electric power to light fixture, and insulating sheath, mainly for the protection of core, prevents human electric shock or other potential safety hazard.Cable can be subject to certain environmental stress because of residing environment in actual use, cable as used in water can be subject to the long-term stress of hydraulic pressure, if the proof stress of the insulating sheath of cable not just there will be the phenomenons such as distortion or cracking, once there is these situations, to produce serious security incident, therefore testing the environmental stress of cable insulating sheath is indispensable important step at the beginning of Design of Luminaires.
Summary of the invention
Embodiment of the present invention technical matters to be solved is, provides a kind of cable environmental stress proving installation, can test the environmental stress resistance performance of the insulating sheath of cable.
In order to solve the problems of the technologies described above, embodiments provide a kind of cable environmental stress proving installation, comprise heating arrangement, fixed head and the locating shaft for fixing described cable, described heating arrangement comprises the heating chamber for containment surfaces activating agent, described fixed head is arranged at the opening part of described heating chamber, described locating shaft is arranged between described fixed head and described heating chamber, and described cable to be wound on described locating shaft and to be dipped in described surfactant.
Wherein, described cable environmental stress proving installation also comprises movable axis, and described fixed head offers the first through hole, and one end of described movable axis is fixedly connected with one end of described locating shaft through described first through hole.
Wherein, described first through hole is provided with internal thread, and described movable axis is connected with described first through hole whorl.
Wherein, the other end of described movable axis is provided with card-bit part, and the cross-sectional area of described card-bit part is greater than the cross-sectional area of described first through hole.
Wherein, the two ends sidewall of described locating shaft offers the second through hole and third through-hole respectively, and the two ends of described cable are inserted in described second through hole and described third through-hole respectively.
Wherein, the radial dimension of described locating shaft is less than the aperture of described first through hole.
Wherein, described cable environmental stress proving installation also comprises support column, and one end of described support column is connected with the openend of described heating chamber, and the other end is connected with described fixed head.
Wherein, described heating arrangement also comprises heating tube, and described heating tube, through described heating room side wall, heats described surfactant.
Wherein, described cable environmental stress proving installation also comprises base, and described heating chamber is arranged on described base.
Wherein, described surfactant is igepal co-630.
Implement the embodiment of the present invention, there is following beneficial effect: by being fixed on by cable on locating shaft and the surfactant be dipped in heating chamber, the phenomenon ftractureed whether is there is under checking the acting in conjunction of cable insulating sheath in chemical reagent and mechanical stress (hydraulic pressure) after a period of time, the environmental stress resistance performance of cable insulating sheath is ensured with this, avoid it cracking occurs in actual use and causes security incident, improve safety in utilization and the reliability of light fixture.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of a kind of embodiment of cable environmental stress proving installation of the present invention;
Fig. 2 is the structure assembling schematic diagram of a kind of embodiment of cable environmental stress proving installation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, for the structural representation of the cable environmental stress proving installation of the embodiment of the present invention, comprise heating arrangement 1, fixed head 2, locating shaft 3, movable axis 4, support column 5 and base 6 for attached cable line (not shown), heating arrangement 1 comprises the heating chamber 11 for containment surfaces activating agent, fixed head 2 is arranged at the opening part of heating chamber 11, locating shaft 3 is arranged between fixed head 2 and heating chamber 11, and cable to be wound on locating shaft 3 and to be dipped in surfactant.
The two ends sidewall of locating shaft 3 offers the second through hole 31 and third through-hole 32 respectively, and the two ends of cable are inserted in the second through hole 31 and third through-hole 32 respectively.One end of cable is first inserted in the second through hole 31, is then wound on locating shaft 3 by the center section of cable, is finally inserted in third through-hole 32 by its other end again.
In the present embodiment, fixed head 2 offers the first through hole 21, and one end of movable axis 4 is fixedly connected with one end of locating shaft 3 through the first through hole.First through hole 21 is provided with internal thread, and movable axis 4 is connected with the first through hole whorl.The other end of movable axis 4 is provided with card-bit part 41, the cross-sectional area of card-bit part 41 is greater than the cross-sectional area of the first through hole 21, when being less than heating chamber 11 to prevent the total length of locating shaft 3 and movable axis 4, locating shaft 3 and movable axis 4 drop in heating chamber 11, also handled easily personnel rotary moveable axle 4 is played, to adjust the effect of the height of locating shaft 3 in heating chamber on the other hand.The radial dimension of locating shaft 3 is less than the aperture of the first through hole, handled easily personnel rotary moveable axle 3, is taken out by locating shaft 3 or puts into heating chamber 11, and do not need to open fixed head 2 and pick and place locating shaft 3 again from the first through hole 21 place.In the present embodiment, movable axis 4 and card-bit part 41 are bolt structure, and movable axis 4 is for being provided with externally threaded screw rod, and card-bit part is screw head.
One end of support column 5 is connected with the openend of heating chamber 11, the other end is connected with fixed head 2, fixed head 2 and heating chamber 11 are separated, space is left in centre, can check for operating personnel the contact situation being wound in the cable on locating shaft 3 and the surfactant in heating chamber 11, if do not contact completely, turn down the position of cable by rotary moveable axle 2 or increase surfactant in heating chamber 11.
Insulating sheath due to cable is plastic material, and therefore surfactant should select non-ionics, preferably, can adopt igepal co-630(polyoxyethylenes (9) nonylplenyl ether, branching) as surfactant.
Heating chamber 11 is arranged on base 6, base 6 comprises base plate 61 and multiple back-up block 62, back-up block 62 is arranged between base plate 61 and heating chamber 11, can play certain heat-blocking action, to prevent in heating process or heating terminate in the near future mobile heating device 1 time scalded by heating chamber 11.In the present embodiment, heating arrangement 1 also comprises heating tube 12, one end of heating tube 12 is through stating heating chamber 11 sidewall, Surfactant heats, the other end is connected with plug 13, plug 13 connects power supply, switch on power area of heating surface activating agent to 50 DEG C remaining unchanged, after soaking 24 hours in cable surfactant at such a temperature, whether the insulating sheath observing cable there is the phenomenon ftractureed, the phenomenon that whether there will be cracking when cable is subject to water or other environmental stresses in actual use effectively can be investigated out with this, thus effectively ensure that the reliability of cable, the safety and reliability of light fixture is improved.Wherein, conveniently operating personnel's heating-up temperature whether constant temperature or in particular range of monitoring heating arrangement 1 Surfactant, can increase temperature measuring equipment, as increased thermometer on fixed head, and make temp probe probe in surfactant, to measure the temperature of surfactant.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a cable environmental stress proving installation, it is characterized in that, comprise heating arrangement, fixed head and the locating shaft for fixing described cable, described heating arrangement comprises the heating chamber for containment surfaces activating agent, described fixed head is arranged at the opening part of described heating chamber, described locating shaft is arranged between described fixed head and described heating chamber, and described cable to be wound on described locating shaft and to be dipped in described surfactant.
2. cable environmental stress proving installation as claimed in claim 1, it is characterized in that, it also comprises movable axis, and described fixed head offers the first through hole, and one end of described movable axis is fixedly connected with one end of described locating shaft through described first through hole.
3. cable environmental stress proving installation as claimed in claim 2, it is characterized in that, described first through hole is provided with internal thread, and described movable axis is connected with described first through hole whorl.
4. cable environmental stress proving installation as claimed in claim 3, it is characterized in that, the other end of described movable axis is provided with card-bit part, and the cross-sectional area of described card-bit part is greater than the cross-sectional area of described first through hole.
5. cable environmental stress proving installation as claimed in claim 4, it is characterized in that, the two ends sidewall of described locating shaft offers the second through hole and third through-hole respectively, and the two ends of described cable are inserted in described second through hole and described third through-hole respectively.
6. cable environmental stress proving installation as claimed in claim 5, it is characterized in that, the radial dimension of described locating shaft is less than the aperture of described first through hole.
7. cable environmental stress proving installation as claimed in claim 6, it is characterized in that, it also comprises support column, and one end of described support column is connected with the openend of described heating chamber, and the other end is connected with described fixed head.
8. cable environmental stress proving installation as claimed in claim 7, it is characterized in that, described heating arrangement also comprises heating tube, and described heating tube, through described heating room side wall, heats described surfactant.
9. cable environmental stress proving installation as claimed in claim 8, it is characterized in that, it also comprises base, and described heating chamber is arranged on described base.
10. cable environmental stress proving installation as claimed in any one of claims 1-9 wherein, it is characterized in that, described surfactant is igepal co-630.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207402.4A CN104215511A (en) | 2013-05-29 | 2013-05-29 | Cable environmental stress testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207402.4A CN104215511A (en) | 2013-05-29 | 2013-05-29 | Cable environmental stress testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104215511A true CN104215511A (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310207402.4A Pending CN104215511A (en) | 2013-05-29 | 2013-05-29 | Cable environmental stress testing apparatus |
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| CN (1) | CN104215511A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124893A (en) * | 2016-06-23 | 2016-11-16 | 芜湖顺成电子有限公司 | The thermal shock test chamber of low smoke no-halogen wire |
| CN106769529A (en) * | 2017-01-10 | 2017-05-31 | 深圳市思榕科技有限公司 | A kind of line ball heats test device |
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| CN201886100U (en) * | 2010-12-20 | 2011-06-29 | 无锡江南电缆有限公司 | Equipment for testing ageing resistance and water-tree resistance of medium voltage cable |
| CN102323202A (en) * | 2011-05-06 | 2012-01-18 | 中国石油大学(华东) | Experimental apparatus for simulating corrosion in ocean tide range region |
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2013
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| JPS6479644A (en) * | 1987-09-22 | 1989-03-24 | Fujikura Ltd | Anti-stress, corrosion and cracking property evaluation for hard copper twisted wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124893A (en) * | 2016-06-23 | 2016-11-16 | 芜湖顺成电子有限公司 | The thermal shock test chamber of low smoke no-halogen wire |
| CN106769529A (en) * | 2017-01-10 | 2017-05-31 | 深圳市思榕科技有限公司 | A kind of line ball heats test device |
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Application publication date: 20141217 |
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| WD01 | Invention patent application deemed withdrawn after publication |