CN103219675A - Optical cable or cable penetrating method along with directional drilling - Google Patents
Optical cable or cable penetrating method along with directional drilling Download PDFInfo
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- CN103219675A CN103219675A CN2013101445883A CN201310144588A CN103219675A CN 103219675 A CN103219675 A CN 103219675A CN 2013101445883 A CN2013101445883 A CN 2013101445883A CN 201310144588 A CN201310144588 A CN 201310144588A CN 103219675 A CN103219675 A CN 103219675A
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Abstract
The invention provides an optical cable/cable penetrating method along with a directional drilling. The optical cable or cable penetrating method along with the directional drilling comprises the following steps: drilling holes with two ends of the drilling holes being communicated are drilled by a directional drilling at a needed district; a connecting structure is arranged on a positioning driller, and a hang port is arranged on the connecting structure; a rope is selected, the drawling coefficient of the rope is smaller than the drawing coefficient of the optical cable/cable, and the largest tensile strength of the rope is larger than the largest tension of construction; the first sections of the rope and the optical cable/cable are enabled to penetrate through the hang port and be fixed on the hang port in a detachable mode; and the sections, not penetrating through the hang port, of the rope and the optical cable/cable are enabled to be bound up together. After the above-mentioned procedures are finished, a driller of the directional drilling is utilized to drag the rope and the optical cable/cable bound on the driller back from the drilling holes; after the rope and the optical cable/cable penetrate through the drilling holes, the optical cable/cable is dismounted from the hang port. According to the optical cable/cable penetrating method along with the directional drilling, the rope is stressed by main tension, the optical cable/cable is stressed by little tension, and the optical cable/cable is not snapped or broken by the tension, and engineering risks are reduced.
Description
Technical field
The present invention relates to that a kind of light/cable (being optical cable or cable) extra long distance pulls or pass through the method for laying with directional drilling pipeline with the hole, be applied to cable orientations such as underground non-excavation optical cable, cable and drill construction more, both can be used for drilling the occasion of synchronous more laying, also can be used for need not the occasion of passing through synchronously with pipeline with tube orientation.
Background technology
Usually run in tubing and can't excavate the location, adopt beaten directed brill mode tubing more when can't excavation section longer.Both respectively selected space, a place can't excavating two, location, made a call to the hole that a size is fit to rig is underground between two vacant lots then, will be pulled through by boring by prefabricated pipeline on ground with rig then, to reach the pipe laying purpose.
At present the situation of laying optical cable with ditch with pipeline is more, and conventional method is: orientation bore section adopt to return with the pipeline through hole drag a steel pipe, steel wire of preparation in the steel pipe is used for the later stage to pull cable sleeve from steel pipe, lays optical cable then in cable sleeve.Also have a kind of method be exactly directly tow the head the welding one towing hook, customize a Gent system optical cable, optical cable is fixed on directly to return with pipeline on the towing hook that tows the head drags.
There is defective in first method: current existing directed brill returns when dragging at pipeline with hole laying optical cable scheme need pull a steel pipe simultaneously, and steel pipe generally is that the internal diameter requirement is more than 80mm.This steel pipe that increases out will take certain aperture space, thus need be in boring procedure with the aperture expand bigger.This has just increased the reaming workload, has increased engineering cost, prolongs engineering time.Owing to return with the hole and to drag two pipes, also increased and time dragged risk.Current existing program returns in the steel road also need re-lay optical cable with an inner wire traction cable sleeve (mostly being silicon core pipe) after dragging successfully then in silicon core pipe.The material that whole laying optical cable relates to is a lot, and it is very long that the whole duration draws, and expense is very high.
There is defective in second method: special optical cable is tens steel wires of deploying troops on garrison duty again around common armouring optical cable skin, and then makees one deck armouring, wraps up the PE sheath more outside.The purpose that increases by a circle steel wire is to play the tension effect.This optical cable production process complexity, general optical cable manufacturing enterprise can't produce.This special optical cable cost height, the expense costliness.General delivery cycle was wanted more than half a year, did not satisfy construction period for most projects at all.General directed brill project maximum two or three months will complete.The buying difficulty, delivery cycle length is the fatal shortcoming of the method.
Summary of the invention
Drill light/cable methods complex procedures, consuming time, technical problem that cost is high for solving existing orientation, the invention provides a kind of light/cable and drill Vietnamese side's method, may further comprise the steps with orientation:
Step s1: need the below, location to play one section boring that connects two ends with directed being drilled in;
Step s2: directed boring is provided with syndeton, and syndeton is provided with mouth hanging; Selected rope, the drawing coefficient of rope are less than the drawing coefficient of light/cable, and its maximum tensile strength is greater than the construction maximum pull; Rope and light/cable first section passed mouth hanging, and is fixed on the mouth hanging disassembledly;
Step s3: rope is not passed one section of mouth hanging one section parallel colligation of not passing mouth hanging together with light/cable;
After step s4: step s1, s2 and s3 finish, utilize the directed rig that bores that colligation rope and light/cable thereon returned from boring and drag;
Step s5: after rope and light/cable pass through boring, light/cable is disassembled from mouth hanging.
Further, among the step s2, syndeton comprises and towing the head, the end that tows the head is connected with directed boring, and the other end is connected with pipeline, tows the head to be positioned at pipeline one side and to be provided with mouth hanging, rope and light/cable pass pipeline, and rope and light/cable first section passes mouth hanging, and is fixed on the mouth hanging disassembledly;
Among the step s4, after step s1, step s2 and step s3 finish, utilize directed brill that pipeline is returned from boring and drag;
Among the step s5, after pipeline passed through boring, just light/cable was disassembled from mouth hanging.
Further, among the step s3: rope does not pass one section of mouth hanging and does not pass a section of mouth hanging with light/cable and whenever be spaced a distance and be in the same place with band, adhesive tape or iron wire colligation.
Further, among the step s3: rope do not pass one section of mouth hanging and light/cable do not pass one section of mouth hanging both be bundled together with adhesive tape near parts of mouth hanging.
Further, also comprise among the step s3: one section colligation that rope passes mouth hanging is not passed at rope on a section of mouth hanging; One section colligation that light/cable passes mouth hanging is not passed at light/cable on a section of mouth hanging.
Further, among the step s2, comprise two next-door neighbours' mouth hanging, one of them mouth hanging is compared more close directed the boring of another mouth hanging; Rope is fixed near on the directed mouth hanging that bores disassembledly, and light/cable is fixed on the mouth hanging that bores away from orientation disassembledly.
Further, further comprise among the step s3: rope passes a section of mouth hanging and does not pass at rope by the colligation of horseback riding type dop on a section of mouth hanging; Light/cable passes a section of mouth hanging and does not pass at light/cable by the colligation of horseback riding type dop on a section of mouth hanging.
Further, also comprise among the step s2: at the place of towing the head, the mouth hanging periphery sets firmly a protective cover around mouth hanging.
Further, light/cable passes through boring, light/cable is disassembled from mouth hanging after, the length that light/cable two ends exceed the part at the two of holing is not less than 5m respectively; Among the step s2, light/cable is lived by harness after passing one section coiling of mouth hanging.
Further, rope lengths is greater than boring length; Among the step s2: with iron wire with lanyard on mouth hanging; Light/cable is the two armour light/cables of direct-burried.
Beneficial effect of the present invention: at first, when extra long distance pulled laying light/cable construction, maximum pulled power greater than the maximum tensile strength of light/cable, and two pipes are dragged in hole of conventional method, and risk is bigger, produced the card phenomenon of stumbling easily in the hole; At in such cases, the present invention is suitable with light/cable a length with the parallel colligation of light/cable, drawing coefficient is much smaller than light/cable, on the rope (as steel wire rope) of the maximum tensile strength greater than the construction maximum pull, lay together, adopt rope to add bare cable and return the method for dragging, utilize this rope tensile strength big, drawing coefficient is less than the characteristics of light/cable, in pulling, construction allow this rope bear main pulling force, light/cable only is subjected to less pulling force, eliminate light/cable and in construction, broken/pulled risk, reduced engineering risk, can prevent effectively that risk takes place in the conventional method.Secondly, this method of this law has effectively shortened the duration, and time duration almost bores construction with orientation and finishes synchronously, need not follow-up other work.Moreover, reduced cost: method of the present invention, because the diameter of rope and light/cable is far smaller than the diameter of DN80 steel pipe,, saved directed brill reaming expense so the size of directional drilling just can consider that steel pipe takies aperture problem; Though rope can only disposablely use, select for use steel wire rope, light/cable to select two armour light/cables for use usually, steel wire rope is a lot of less with the expense of getting up more than steel sleeve and silicon core pipe with the expense that two armours increase.And light/cable is two armours, can sustain the extruding that is subjected in directional drilling, and two armours have guaranteed that wearing and tearing can not injure inner cable core in the hole simultaneously again, have guaranteed that internal optical fiber is intact.In addition, light/cable adopts common double armour light/cable, and a lot of stocks are arranged on the market, and delivery cycle is restricted unlike special optical cable.At last, promptly can be used for and the synchronous condition of construction of laying of pipeline, also can be used for condition of construction with the asynchronous laying of pipeline.
Description of drawings
Fig. 1 drills the fixed structure schematic diagram of Vietnamese side's method steel wire rope and optical cable when directly dragging optical cable construction with orientation for the optical cable of using the embodiment of the invention;
Fig. 2 drills the fixed structure schematic diagram of Vietnamese side's method steel wire rope and optical cable when carrying out with pipeline that the companion drags optical cable construction synchronously with orientation for the optical cable of using the embodiment of the invention.
Embodiment
The present invention is further described below in conjunction with description of drawings and embodiment.
Optical cable of the present invention drills Vietnamese side's method with orientation, may further comprise the steps:
Step s1: need tubing or optical cable location to play one section boring that connects two ends below ground with directed being drilled in;
Step s2: as shown in Figure 1, 2, directed boring is provided with syndeton 100, and syndeton 100 is provided with mouth hanging; Selected rope, the drawing coefficient of rope are less than the drawing coefficient of light/cable, and its maximum tensile strength is greater than the construction maximum pull, and rope is selected steel wire rope usually for use; Both first section of steel wire rope 2 and optical cable 3 passed mouth hanging, and is fixed on the mouth hanging disassembledly, for example optical cable 3 is strapped in the mouth hanging place with iron wire;
Step s3: as shown in Figure 1, 2, steel wire rope 2 is not passed one section of mouth hanging one section parallel colligation of not passing mouth hanging together with optical cable 3;
After step s4: step s1, s2 and s3 finish, utilize the directed rig that bores that colligation steel wire rope 2 and optical cable 3 thereon returned from boring and drag;
Step s5: after steel wire rope 2 and optical cable 3 pass through boring, optical cable 3 is disassembled from mouth hanging.
When directly dragging optical cable construction, can offer a hole as mouth hanging at the connector place that orientation is bored, or at connector place welding hook 11, the hook material is the 18mm reinforcing bar, hook 11 is bent to form mouth hanging, is used for fixing steel wire rope 2 and optical cable 3.Dragging in the optical cable construction with pipeline 1 synchronous companion, syndeton 100 comprise be connected with pipeline tow the head 10, tow the head 10 be positioned at pipeline 1 face down bonding be connected to the hook 11, hook 11 is bent to form mouth hanging, be used for fixing steel wire rope 2 and optical cable 3, in the step 2, steel wire rope 2 and optical cable 3 pass pipeline 1, and both first section of steel wire rope 2 and optical cable 3 passes mouth hanging, and is fixed on the mouth hanging disassembledly; Among the step s5, after pipeline passed through boring, just light/cable was disassembled from mouth hanging.
In step s3, whole piece steel wire rope 2 can be adopted colligation in a like fashion with whole piece optical cable 3 and be in the same place, and for example both is bundled with band, adhesive tape or thin wire 4 every 1m-1.5m, and optical cable 3 is become one with steel wire rope 2.But in order to protect optical cable 3 better, preferred, steel wire rope 2 passes a section of mouth hanging and does not pass at steel wire rope 2 by 5 colligations of horseback riding type dop on a section of mouth hanging; Optical cable 3 passes a section of mouth hanging and does not pass at optical cable 3 by the colligation 5 of horseback riding type dop on a section of mouth hanging.Steel wire rope 2 do not pass one section of mouth hanging and optical cable 3 do not pass one section of mouth hanging both be bundled together with adhesive tape near 10 the preceding 30 meters parts of towing the head, play and strengthen tying up effect, anti-non-return drags that optical cable 3 breaks away from steel wire rope 2 in the process; One section the remainder that one section the remainder that steel wire rope 2 does not pass mouth hanging and optical cable 3 do not pass mouth hanging whenever is spaced a distance and is in the same place with band, adhesive tape or thin wire 3 colligations.
If optical cable 3 and steel wire rope 2 all pass same mouth hanging, to drag in the process be the easiest place that rubs, pushes returning in the part at mouth hanging place for both, particularly when boring is longer, return and drag length consuming time, steel wire rope 2, optical cable 3 and pipeline 1 stressed complexity are easy to injure optical cable 3 because of friction, the extruding of steel wire rope 2 and optical cable 3.Therefore, preferably, have two next-door neighbours' hook 11 on the syndeton 100, form two next-door neighbours' mouth hanging, one of them mouth hanging is compared more close directed the boring of another mouth hanging; In step s2, steel wire rope 2 is fixed near on the directed mouth hanging 11a that bores disassembledly, and optical cable 3 is fixed on the mouth hanging 11b that bores away from orientation disassembledly.Returning when dragging; the steel wire rope 2 at two mouth hanging places and optical cable 3 isolated, and avoid phase mutual friction, extruding and damage optical cable 3, and the steel wire rope 2 at mouth hanging place is positioned at the place ahead of optical cable 3; face back with standing in the breach and drag stone possible in the process to impact, protect optical cable 3 to a certain extent.
Preferably; set firmly a protective cover around hook 11 in 10 places that tow the head, mouth hanging periphery, when going back to hauling pipe road 1, protective cover can be isolated the impact that enters the stone in the pipeline 1 largely; protection optical cable 3 reduces the risk that optical cable 3 is worn and torn by stone in pipeline 1.
In order to guarantee and other optical cables or other equipment interconnections, steel wire rope 2 and optical cable 3 pass through boring, optical cable 3 is disassembled from mouth hanging after, the length that optical cable 3 two ends exceed the part at the two of holing respectively all is not less than 5m, reserved part is used for follow-up plugging into.Can choose cable length according to actual needs, the part that general optical cable two ends exceed the two of holing should respectively be reserved respectively more than 30 meters, optical cable 3 after passing mouth hanging, a section of first section reservation wound up and with the iron wire harness at 10 places that tow the head, after passing through successfully, the optical cable that is wound on head untied get final product.
Can satisfy the resistance to compression requirement through calculating the two armour optical cables of common direct-burried, but tensile strength deficiency, can not satisfy the directed long distance traction requirement of boring, the method for present embodiment is taked to use optical cable and rope coil be held together steel wire rope is fixed on to tow the head and is gone up to play the tension effect.Because the stretch ratio of optical cable is big more a lot of than steel wire rope, so drag in the process as long as steel wire rope is continuous returning, optical cable just can not broken.
As above institute's cloud be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, under the prerequisite that does not break away from design of the present invention and intension, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a light/cable drills Vietnamese side's method with orientation, comprising:
Step s1: need the below, location to play one section boring that connects two ends with directed being drilled in;
It is characterized in that comprising the steps:
Step s2: directed boring is provided with syndeton, and syndeton is provided with mouth hanging; Selected rope, the drawing coefficient of rope are less than the drawing coefficient of light/cable, and its maximum tensile strength is greater than the construction maximum pull; Rope and light/cable first section passed mouth hanging, and is fixed on the mouth hanging disassembledly;
Step s3: rope is not passed one section of mouth hanging one section parallel colligation of not passing mouth hanging together with light/cable;
After step s4: step s1, s2 and s3 finish, utilize the directed rig that bores that colligation rope and light/cable thereon returned from boring and drag;
Step s5: after rope and light/cable pass through boring, light/cable is disassembled from mouth hanging.
2. traversing method according to claim 1 is characterized in that:
Among the step s2, syndeton comprises and towing the head that the end that tows the head is connected with directed boring, the other end is connected with pipeline, towing the head is positioned at pipeline one side and is provided with mouth hanging, and rope and light/cable pass pipeline, and rope and light/cable first section passes mouth hanging, and is fixed on the mouth hanging disassembledly;
Among the step s4, after step s1, step s2 and step s3 finish, utilize directed brill that pipeline is returned from boring and drag;
Among the step s5, after pipeline passed through boring, just light/cable was disassembled from mouth hanging.
3. traversing method according to claim 1 is characterized in that among the step s3: rope does not pass one section of mouth hanging and does not pass a section of mouth hanging with light/cable and whenever be spaced a distance and be in the same place with band, adhesive tape or iron wire colligation.
4. traversing method according to claim 1 is characterized in that among the step s3: rope do not pass one section of mouth hanging and light/cable do not pass one section of mouth hanging both be bundled together with adhesive tape near parts of mouth hanging.
5. according to claim 1,2,3 or 4 described traversing methods, it is characterized in that also comprising among the step s3: one section colligation that rope passes mouth hanging is not passed at rope on a section of mouth hanging; One section colligation that light/cable passes mouth hanging is not passed at light/cable on a section of mouth hanging.
6. traversing method according to claim 5 is characterized in that comprising two next-door neighbours' mouth hanging among the step s2, and one of them mouth hanging is compared more close directed the boring of another mouth hanging; Rope is fixed near on the directed mouth hanging that bores disassembledly, and light/cable is fixed on the mouth hanging that bores away from orientation disassembledly.
7. traversing method according to claim 5 is characterized in that further comprising among the step s3: rope passes a section of mouth hanging and does not pass at steel wire rope by the colligation of horseback riding type dop on a section of mouth hanging; Light/cable passes a section of mouth hanging and does not pass at light/cable by the colligation of horseback riding type dop on a section of mouth hanging.
8. traversing method according to claim 2 is characterized in that also comprising among the step s2: at the place of towing the head, the mouth hanging periphery sets firmly a protective cover around mouth hanging.
9. traversing method according to claim 1 and 2 is characterized in that: light/cable passes through boring, light/cable is disassembled from mouth hanging after, the length that light/cable two ends exceed the part at the two of holing is not less than 5m respectively; Among the step s2, light/cable is lived by harness after passing one section coiling of mouth hanging.
10. traversing method according to claim 1 and 2 is characterized in that: rope lengths is greater than boring length; Among the step s2: with iron wire with lanyard on mouth hanging; Rope is selected steel wire rope for use, and light/cable is selected the two armour light/cables of direct-burried for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144588.3A CN103219675B (en) | 2013-04-24 | 2013-04-24 | A kind of optical cable or cable are with directional drilling crossing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144588.3A CN103219675B (en) | 2013-04-24 | 2013-04-24 | A kind of optical cable or cable are with directional drilling crossing method |
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| CN103219675A true CN103219675A (en) | 2013-07-24 |
| CN103219675B CN103219675B (en) | 2016-03-02 |
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| CN201310144588.3A Active CN103219675B (en) | 2013-04-24 | 2013-04-24 | A kind of optical cable or cable are with directional drilling crossing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362572A (en) * | 2014-11-26 | 2015-02-18 | 中国石油化工股份有限公司 | Construction system for underground crossing of cables |
| CN107543568A (en) * | 2017-09-15 | 2018-01-05 | 南京大学（苏州）高新技术研究院 | A kind of distributed sensing optical cable with boring distribution method and device |
| CN108412424A (en) * | 2018-03-30 | 2018-08-17 | 中国水利水电第六工程局有限公司 | A kind of Directional Drilling returns the tooling and its application method dragged and prevent drilling rod from springing back in construction |
| CN111929792A (en) * | 2020-08-31 | 2020-11-13 | 中国石油天然气集团有限公司 | Oil-gas pipeline optical cable directional drilling penetration adaptability analysis method |
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| JP2002354622A (en) * | 2001-05-28 | 2002-12-06 | Daika Polymer Kk | Cable protective pipe lead-in method |
| CN202084217U (en) * | 2011-06-15 | 2011-12-21 | 艾祥家 | Steel wire rope type automatic wire reeling and unreeling device of pillar backing vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362572A (en) * | 2014-11-26 | 2015-02-18 | 中国石油化工股份有限公司 | Construction system for underground crossing of cables |
| CN104362572B (en) * | 2014-11-26 | 2017-02-22 | 中国石油化工股份有限公司 | Construction system for underground crossing of cables |
| CN107543568A (en) * | 2017-09-15 | 2018-01-05 | 南京大学（苏州）高新技术研究院 | A kind of distributed sensing optical cable with boring distribution method and device |
| CN107543568B (en) * | 2017-09-15 | 2023-07-21 | 南京大学（苏州）高新技术研究院 | Distributed sensing optical cable while-drilling layout method and device |
| CN108412424A (en) * | 2018-03-30 | 2018-08-17 | 中国水利水电第六工程局有限公司 | A kind of Directional Drilling returns the tooling and its application method dragged and prevent drilling rod from springing back in construction |
| CN108412424B (en) * | 2018-03-30 | 2023-09-29 | 中国水利水电第六工程局有限公司 | Tool for preventing drill rod from rebounding in directional drilling and dragging construction and application method thereof |
| CN111929792A (en) * | 2020-08-31 | 2020-11-13 | 中国石油天然气集团有限公司 | Oil-gas pipeline optical cable directional drilling penetration adaptability analysis method |
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