CN204577154U - A kind of monitoring cable destruction prevention device - Google Patents
A kind of monitoring cable destruction prevention device Download PDFInfo
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- CN204577154U CN204577154U CN201520287565.2U CN201520287565U CN204577154U CN 204577154 U CN204577154 U CN 204577154U CN 201520287565 U CN201520287565 U CN 201520287565U CN 204577154 U CN204577154 U CN 204577154U
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- core wire
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Abstract
The utility model discloses a kind of monitoring cable destruction prevention device, comprise cable protecting tube, two positioning elements are at least set with outside described cable protecting tube, described positioning element is made up of annulus and spacer, described spacer is three, and be uniformly distributed along annular ring peripheral direction, described three spacers are separately installed with insulation core wire A, insulation core wire B and insulation core wire C, and described insulation core wire A, insulation core wire B and insulation core wire C are fixed on spacer respectively by stopper slot.The utility model just can make early warning before drilling rod not yet arrives the position that monitoring cable buries underground, and notice drilling construction personnel stop boring in time, thus ensures that monitoring cable is not interrupted.Certain fixation is played to cable and pillar simultaneously, its drift degree at inside concrete can be reduced, improve installation quality; Feedback information promptly and accurately, and can judge the general orientation that may interrupt cable, thus is beneficial to adjustment drilling rod, does not affect construction cross-operation.
Description
Technical field
The utility model belongs to Hydraulic and Hydro-Power Engineering safety monitoring field, particularly relates to a kind of monitoring cable destruction prevention device, is mainly used in preventing monitoring cable from being interrupted destruction.
Background technology
The object of safety monitoring mainly monitors safe, the grasp engineering operation state of building, provides foundation, and guide construction and Feedback Design for engineering safety runs.The status forming all appts of whole safety monitoring system thus just seems particularly important; once monitoring instrument is destroyed, its loss caused will be difficult to the appraisal, therefore; all need to protect especially instrument in construction stage and operation phase, prevent it to be destroyed.
At present; the instrument of safety monitoring mainly comprises instrument self and connected monitoring cable; because instrument own dimensions is less and have firm shell; as long as therefore mounting means and safeguard measure proper; just be not easy by breakage in installation; and the Anti-pull-press of monitoring cable be connected with instrument and the ability of shearing much smaller compared with instrument self; and monitoring cable often needs to draw to observation room from the different parts of works; so that concentrate observation; therefore the quantity of trailing cable is many, circuit long, complex circuit, makes its maintaining just very difficult.Generally for and slow down the aging of monitoring cable, prevent it to be corroded, adopt its outer wear pillar and the mode of slip casting in pillar to protect cable.But adopt this protected mode in Hydraulic and Hydro-Power Engineering; need to carry out a large amount of drilling constructions; comprise consolidation grouting hole, backfill grouting hole, osculum, inspection opening, vertical line hole etc.; therefore just the position being embedded with monitoring instrument and cable is inevitably run into during boring; and cable (comprising pillar) is quite fragile relative to drilling rod, be also just difficult to ensure that monitoring cable is not interrupted by drilling rod.
In addition, before carrying out drilling construction, supervisor, monitoring unit, drilling construction unit all will keep close ties, strengthen field management, monitoring unit will provide comparatively accurate instrumented site and cable routing circuit, avoid monitoring cable to be interrupted by drilling rod as far as possible, but actual effect or barely satisfactory.Cable burial is in inside concrete on the one hand, human eye cannot be seen, concreting is vibrated on the other hand, make cable can be equipped with certain drift phenomenon by more original fixed bit, these two reasons cause field monitoring personnel to be also difficult to the current physical location of accurate positioning cable, and therefore cable is happened occasionally by situation about interrupting.Once cable is interrupted, monitoring instrument just cannot normal acquisition data, sometimes need redrilling that new instrument is installed to recover to observe, even by force the concrete of boring sites in curing is chiseled with electric hammer, the cable by interrupting is found to reconnect, the poorest situation is exactly really cannot recover, and just can only stop observation.
As can be seen here; once the monitoring cable of instrument is interrupted, it is quite difficult for recovering its normal observation, and the cost paid is very expensive; therefore how protecting the cable in Safety Monitoring Instruments, is current Hydraulic and Hydro-Power Engineering safety monitoring field problem demanding prompt solution.
Summary of the invention
For solving the problem, the utility model provides a kind of monitoring cable destruction prevention device, thus just makes early warning before drilling rod not yet arrives the position that monitoring cable buries underground, and notice drilling construction personnel stop boring in time, thus ensures that monitoring cable is not interrupted.
The utility model is achieved by following technical solution.
A kind of monitoring cable destruction prevention device, comprise cable protecting tube, two positioning elements are at least set with outside described cable protecting tube, described positioning element is made up of annulus and spacer, described spacer is three, and be uniformly distributed along annular ring peripheral direction, described three spacers are separately installed with insulation core wire A, insulation core wire B and insulation core wire C, and insulation core wire A, insulation core wire B and insulation core wire C closed-loop path in series between two.
Described spacer is rectangle structure, and is provided with stopper slot on rectangle structure.
Described insulation core wire A, insulation core wire B and insulation core wire C are fixed on spacer respectively by stopper slot.
Described annulus is 3/4ths annulus, and the diameter of the diameter of annulus and cable protecting tube matches.
Described stopper slot is the right angle joint-cutting towards the annulus center of circle.
The beneficial effects of the utility model are:
Compared with prior art, the utility model just can make early warning before drilling rod not yet arrives the position that monitoring cable buries underground, and notice drilling construction personnel stop boring in time, thus ensures that monitoring cable is not interrupted.Certain fixation is played to cable and pillar simultaneously, its drift degree at inside concrete can be reduced, improve installation quality.The utility model fitting operation is quick, and method for early warning is simple, and feedback information promptly and accurately, and can judge the general orientation that may interrupt cable, thus is beneficial to adjustment drilling rod, does not affect construction cross-operation.Have structure simple, easy to process, insulation core wire used can be fragmentary discarded monitoring cable heart yearn, not only refuse is utilized, and cost-saving, there is good economic benefit and social benefit, can in water conservancy and hydropower safety monitoring technology field wide popularization and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure enlarged diagram of positioning element in the utility model;
Fig. 3 is Application Example structural representation of the present utility model.
In figure: 1-cable protecting tube, 2-positioning element, 3-insulation core wire A, 4-insulation core wire B, 5-insulation core wire C, 6-concrete, 7-universal instrument, 21-annulus, 22-spacer, 23-stopper slot.
Embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1, shown in Fig. 2, a kind of monitoring cable destruction prevention device described in the utility model, comprise cable protecting tube 1, two positioning elements 2 are at least set with outside described cable protecting tube 1, described positioning element 2 is made up of annulus 21 and spacer 22, described spacer 22 is three, and be uniformly distributed along annulus 21 circumferencial direction, described three spacers 22 are separately installed with insulation core wire A3, insulation core wire B4 and insulation core wire C5, and insulation core wire A3, insulation core wire B4 and insulation core wire C5 closed-loop path in series between two, namely edge heart yearn A3 connects with insulation core wire B4, insulation core wire B4 connects with insulation core wire C5, edge heart yearn A3 connects with insulation core wire C5.In use, above-mentioned insulation core wire is used for being connected with outside universal instrument 7.Adopt the technical program, when constructing, corresponding two insulation core wires can be tested by adopting universal instrument 7, judge which side the insulation core wire interrupted is by the reading of universal instrument 7, thus boring personnel can be helped to judge general orientation, drilling rod is adjusted accordingly, not only can effectively avoid cable to be interrupted, its next step construction can not be affected simultaneously; In the utility model, spacer 22 has certain elasticity, and brittle fracture is avoided in its effect.
Described spacer 22 is rectangle structure, and on rectangle structure, be provided with stopper slot 23.
Described insulation core wire A3, insulation core wire B4 and insulation core wire C5 are fixed on spacer 22 respectively by stopper slot 23.
Described annulus 21 is 3/4ths annulus, and the diameter of the diameter of annulus 21 and cable protecting tube 1 matches.So that positioning element 2 clamping is fixed on cable protecting tube 1.
Described stopper slot 23 is the right angle joint-cutting towards annulus 21 center of circle.So convenient processing, and be convenient to heart yearn and fix.
As shown in Figure 1, the utility model in use, by described positioning element 2 every 50m by being buckled on cable protecting tube 1, when tooth pad 2, just need towards the outside of works to the spacer 22 of annulus 21 opening, the opening of annulus 21 is towards inner side.Then insulation core wire A3, insulation core wire B4 and insulation core wire C5 are stuck in the stopper slot 23 of spacer 22 successively, one end that wherein insulation core wire A3, insulation core wire B4 and insulation core wire C5 stay inside concrete will be connected in series, other end traction is to the outside of pre-cast concrete, and namely this complete installation.
As shown in Figure 3, after concrete 6 is built, when needs are holed at corresponding site, monitoring unit personnel is reached the spot simultaneously, any 2 in 3 the end of a thread exposed by insulation core wire to be before drilling connected with universal instrument 7 and to test, if drilling rod is when advancing along the direction can interrupting cable, because the cross section of the whole device of the present invention is very little relative to the cross section of creeping into of drilling rod, so before drilling rod interrupts cable, just will inevitably first insulation core wire be interrupted, now the reading of universal instrument 7 is exactly infinitely great, drilling construction personnel so just can be reminded in time to stop operation.If the reading of universal instrument is 0 always, so illustrates that boring can not interrupt cable, also just without the need to reminding, drilling construction being had no effect.
Below in conjunction with accompanying drawing, test judgement of the present utility model is described further:
As shown in Figure 3, when insulation core wire A3, insulation core wire B4 and insulation core wire C5 are all interrupted, show that cable is interrupted completely, therefore 3 insulation core wires can not be interrupted simultaneously.Therefore situation analysis may be interrupted to insulation core wire as follows:
Universal instrument 7 is connected respectively insulation core wire A3, insulation core wire B4 and insulation core wire C5 to test, if the reading between insulation core wire A3 and insulation core wire B4 or between insulation core wire A3 and insulation core wire C5 is infinity, and the reading between insulation core wire B4 and insulation core wire C5 is 0, illustrate that insulation core wire A3 is interrupted, show that drilling direction is in upper-side area, should adjust toward the region away from upside; If the reading between insulation core wire A3 and insulation core wire B4 or between insulation core wire B4 and insulation core wire C5 is infinity, and the reading between insulation core wire A3 and insulation core wire C5 is 0, illustrate that insulation core wire B4 is interrupted, show that drilling direction is in exterior lateral area, should adjust toward the region away from outside; If the reading between insulation core wire A3 and insulation core wire C5 or between insulation core wire B4 and insulation core wire C5 is infinity, and the reading between insulation core wire A3 and insulation core wire B4 is 0, show that drilling direction is in underside area, should adjust toward the region further from downside; If insulation core wire A3, insulation core wire B4 or insulation core wire B4, insulation core wire C5 are all interrupted, so any two line readings are infinity, the former shows that drilling direction is in outside and upper-side area, the latter shows that drilling direction is in outside and underside area, all should toward adjusting away from this region under both of these case.Therefore, insulation core wire A3, insulation core wire B4 is tested; Insulation core wire B4, insulation core wire C5; Insulation core wire A3, insulation core wire C5 roughly can judge the position relation of drilling direction and cable area, thus orientation is crept in adjustment, avoids cable to be interrupted.To note simultaneously, 3 lines are also nisi, when pillar caliber is larger, several threads can be encrypted between insulation core wire A3, insulation core wire B4 or insulation core wire B4, insulation core wire C5, drilling rod is avoided just to pass from the gap between any two lines, do not have prevention effect, therefore arrangement also will be determined according to actual conditions.
Claims (5)
1. a monitoring cable destruction prevention device, it is characterized in that: comprise cable protecting tube (1), described cable protecting tube (1) outside is at least set with two positioning elements (2), described positioning element (2) is made up of annulus (21) and spacer (22), described spacer (22) is three, and be uniformly distributed along annulus (21) circumferencial direction, described three spacers (22) are separately installed with insulation core wire A (3), insulation core wire B (4) and insulation core wire C (5), and insulation core wire A (3), insulation core wire B (4) and insulation core wire C (5) closed-loop path in series between two.
2. a kind of monitoring cable destruction prevention device according to claim 1, is characterized in that: described spacer (22) is rectangle structure, and on rectangle structure, is provided with stopper slot (23).
3. a kind of monitoring cable destruction prevention device according to claim 1, is characterized in that: described insulation core wire A (3), insulation core wire B (4) and insulation core wire C (5) are fixed on spacer (22) respectively by stopper slot (23).
4. a kind of monitoring cable destruction prevention device according to claim 1, it is characterized in that: described annulus (21) is 3/4ths annulus, and the diameter of the diameter of annulus (21) and cable protecting tube (1) matches.
5. a kind of monitoring cable destruction prevention device according to claim 2, is characterized in that: described stopper slot (23) is the right angle joint-cutting towards annulus (21) center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287565.2U CN204577154U (en) | 2015-05-06 | 2015-05-06 | A kind of monitoring cable destruction prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287565.2U CN204577154U (en) | 2015-05-06 | 2015-05-06 | A kind of monitoring cable destruction prevention device |
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| Publication Number | Publication Date |
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| CN204577154U true CN204577154U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520287565.2U Active CN204577154U (en) | 2015-05-06 | 2015-05-06 | A kind of monitoring cable destruction prevention device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244859A (en) * | 2020-03-05 | 2020-06-05 | 长江水利委员会长江科学院 | Device and method for embedding monitoring cable in diversion tunnel lining |
| CN113338290A (en) * | 2021-05-26 | 2021-09-03 | 安徽省引江济淮集团有限公司 | Method and system for assisting concrete pouring vibration positioning judgment based on projection display |
-
2015
- 2015-05-06 CN CN201520287565.2U patent/CN204577154U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244859A (en) * | 2020-03-05 | 2020-06-05 | 长江水利委员会长江科学院 | Device and method for embedding monitoring cable in diversion tunnel lining |
| CN111244859B (en) * | 2020-03-05 | 2023-06-09 | 长江水利委员会长江科学院 | Device and method for embedding monitoring cable in diversion tunnel lining |
| CN113338290A (en) * | 2021-05-26 | 2021-09-03 | 安徽省引江济淮集团有限公司 | Method and system for assisting concrete pouring vibration positioning judgment based on projection display |
| CN113338290B (en) * | 2021-05-26 | 2022-05-17 | 安徽省引江济淮集团有限公司 | Method and system for assisting concrete pouring vibration positioning judgment based on projection display |
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