CN203311058U - Strain test optical cable without longitudinal slip - Google Patents
Strain test optical cable without longitudinal slip Download PDFInfo
- Publication number
- CN203311058U CN203311058U CN2013203604748U CN201320360474U CN203311058U CN 203311058 U CN203311058 U CN 203311058U CN 2013203604748 U CN2013203604748 U CN 2013203604748U CN 201320360474 U CN201320360474 U CN 201320360474U CN 203311058 U CN203311058 U CN 203311058U
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- sheath layer
- test optical
- optical cable
- strain test
- external sheath
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- Expired - Fee Related
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Abstract
The utility model discloses a strain test optical cable without longitudinal slip. The strain test optical cable is composed of test optical fibers and an outer sheath layer. A strengthening aluminum tape is coated outside the test optical fibers, a tight-jacketed sheath layer is extruded outside the strengthening aluminum tape, an armored steel wire is stranded outside the tight-jacketed sheath layer, the outer sheath layer is extruded outside the armored steel wire, the inner wall of the outer sheath layer is cylindrical, and the outer wall of the outer sheath layer is shaped as a bellows. The strain test optical cable without longitudinal slip has the following advantages: the test optical cable is firmly fixed together with a tested object and has no longitudinal slip; the strengthening aluminum tape arranged between the optical fibers and the tight-jacketed sheath layer is resistant to extrusion; the armored steel wire arranged between the tight-jacketed sheath layer and the outer sheath layer is resistant to extrusion, not easy to deform and high in bonding strength and does not longitudinally slip; and the outer wall of the outer sheath layer is shaped as a bellows, the test optical cable is solidified together with a measured object after being poured into a concrete building, a bridge or a dam body of which the stress is tested, longitudinal slip cannot be generated, and accuracy and sensitivity of strain test are significantly improved.
Description
Technical field
The utility model relates to a kind of communications optical cable, relates in particular to a kind of vertical without the slip strain test optical fibre cables.
Background technology
The outer jacket of existing strain testing optical cable is smooth cylindrical, this strain testing optical cable is when construction, surface contamination mud, dust etc., after Transducers Embedded in Concrete buildings, bridge, dam body, between optical cable outer jacket and measured object, easily produce straight skidding, can not accurately reflect strain data, and the optical cable be embedded in is subjected to all-environment the impact, easily is extruded, is out of shape.Strain data be can not accurately reflect, the precision and the sensitivity that detect strain data had a strong impact on.Therefore, need to provide a kind of new technical scheme to solve the problems referred to above.
The utility model content
The purpose of this utility model be to provide a kind of highly sensitive, that precision is high is vertical without the slip strain test optical fibre cables.
The technical solution adopted in the utility model is:
Vertically without the slip strain test optical fibre cables, by test, formed with light transmitting fiber and external sheath layer, described test is coated with the reinforcement aluminium strip with light transmitting fiber, described reinforcement aluminium strip extrudes the hard-pressed bale restrictive coating outward, the outer stranded armouring wire that has of described hard-pressed bale restrictive coating, described armouring wire has extruded external sheath layer outward, and the inwall of this external sheath layer is cylindrical, and the outer wall of this external sheath layer is bellow-shaped.
Described hard-pressed bale restrictive coating is nylon hard-pressed bale layer.
Described external sheath layer is pe sheath.
The beneficial effects of the utility model: this test optical fibre cables is combined firmly with tested object, vertically without slippage, between light transmitting fiber and hard-pressed bale restrictive coating, be provided with the reinforcement aluminium strip, anti-extruding, the armouring wire arranged between hard-pressed bale restrictive coating and external sheath layer, anti-extruding, not yielding, firm binding force, do not produce straight skidding, the external sheath layer outer wall is bellow-shaped, with measured object, is solidified as one after being poured into the concrete structure, bridge, dam body of tested strain, straight skidding be can not produce, strain testing precision and sensitivity significantly improved.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1, light transmitting fiber use in test, and 2, the hard-pressed bale restrictive coating, 3, external sheath layer, 4, the reinforcement aluminium strip, 5, armouring wire.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, of the present utility model vertical without the slip strain test optical fibre cables, by test, formed with light transmitting fiber 1 and external sheath layer 3, test is coated with and strengthens aluminium strip 4 with light transmitting fiber 1, strengthen extruding hard-pressed bale restrictive coating 2 outside aluminium strip 4 the outer stranded armouring wire 5 that has of hard-pressed bale restrictive coating 2, the outer external sheath layer 3 that extruded of armouring wire 5, the inwall of this external sheath layer 3 is cylindrical, and the outer wall of this external sheath layer 3 is bellow-shaped.
Hard-pressed bale restrictive coating 2 is nylon hard-pressed bale layer, and external sheath layer 3 is pe sheath.
This test optical fibre cables is combined firmly with tested object, vertically without slippage, between light transmitting fiber 1 and hard-pressed bale restrictive coating 2, be provided with and strengthen aluminium strip 4, anti-extruding, the armouring wire 5 arranged between hard-pressed bale restrictive coating 2 and external sheath layer 3, anti-extruding, not yielding, firm binding force, do not produce straight skidding, external sheath layer 3 outer walls are bellow-shaped, with measured object, are solidified as one after being poured into the concrete structure, bridge, dam body of tested strain, straight skidding be can not produce, strain testing precision and sensitivity significantly improved.
Claims (3)
1. vertically without the slip strain test optical fibre cables, by test, formed with light transmitting fiber and external sheath layer, it is characterized in that: described test is coated with the reinforcement aluminium strip with light transmitting fiber, described reinforcement aluminium strip extrudes the hard-pressed bale restrictive coating outward, the outer stranded armouring wire that has of described hard-pressed bale restrictive coating, described armouring wire has extruded external sheath layer outward, and the inwall of this external sheath layer is cylindrical, and the outer wall of this external sheath layer is bellow-shaped.
2. according to claim 1 vertical without the slip strain test optical fibre cables, it is characterized in that: described hard-pressed bale restrictive coating is nylon hard-pressed bale layer.
3. according to claim 1 vertical without the slip strain test optical fibre cables, it is characterized in that: described external sheath layer is pe sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203604748U CN203311058U (en) | 2013-06-21 | 2013-06-21 | Strain test optical cable without longitudinal slip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203604748U CN203311058U (en) | 2013-06-21 | 2013-06-21 | Strain test optical cable without longitudinal slip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203311058U true CN203311058U (en) | 2013-11-27 |
Family
ID=49617258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203604748U Expired - Fee Related CN203311058U (en) | 2013-06-21 | 2013-06-21 | Strain test optical cable without longitudinal slip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203311058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422435A (en) * | 2017-06-09 | 2017-12-01 | 南京华信藤仓光通信有限公司 | A kind of shellproof optical cable of super soft heatproof and its production method |
-
2013
- 2013-06-21 CN CN2013203604748U patent/CN203311058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422435A (en) * | 2017-06-09 | 2017-12-01 | 南京华信藤仓光通信有限公司 | A kind of shellproof optical cable of super soft heatproof and its production method |
| CN107422435B (en) * | 2017-06-09 | 2019-12-13 | 南京华信藤仓光通信有限公司 | Ultra-soft temperature-resistant bulletproof optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20190621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |