CN110007415A - A kind of engineering pile foundation optical fiber protective device and application method - Google Patents
A kind of engineering pile foundation optical fiber protective device and application method Download PDFInfo
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- CN110007415A CN110007415A CN201910389204.1A CN201910389204A CN110007415A CN 110007415 A CN110007415 A CN 110007415A CN 201910389204 A CN201910389204 A CN 201910389204A CN 110007415 A CN110007415 A CN 110007415A
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- ontology
- pile foundation
- engineering pile
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to the bored concrete piles detection technique field such as engineering pile, a kind of engineering pile foundation optical fiber protective device and application method, including optical fiber collecting device, wire installation and fibre-optical splice protecting box are disclosed；Optical fiber collecting device includes ontology and upper cover, and ontology is fixed on steel reinforcement cage top, accommodating space is equipped in ontology, offers at least one threading hole on ontology, threading hole is connected to accommodating space；When optical fiber collecting device is configured as casting concrete, the first sealing structure is provided between accommodating space storage optical fiber, threading hole and optical fiber and upper cover and ontology are detachably connected and seal to accommodating space；When wire installation is configured as the main structure on construction work pile foundation top, one end of wire installation is detachably connected with ontology and is connected to accommodating space, and wire installation is arranged and collapses optical fiber, and the other end of wire installation is connected to fibre-optical splice protecting box.The present invention protects optical fiber in engineering pile foundation and its Superstructure Construction, guarantees the transmission performance of optical fiber.
Description
Technical field
The present invention relates to the bored concrete piles such as engineering pile detection technique fields more particularly to a kind of engineering pile foundation to be filled with optical protective
It sets and application method.
Background technique
There are core drilling method, height Strain Method and sound wave transmission method etc. for pile foundation quality detection methods such as engineering piles at present, this
Class method has the monitoring judgement of pile foundation pile body integrity, judgement pile defect, vertical compression bearing capacity etc. preferable
Effect, but the detection time of such method is limited to before pile foundation upper body structure construction, once upper part main body starts to apply
Work then can not be monitored and detect again.
Optical fiber has the characteristics that small in size, electromagnetism interference, high sensitivity and convenient for being laid with installation, in building structure inspection
In be used widely.Fiber optic monitoring technology using optical fiber can pile foundation entire service stage to the pile body integrity of pile foundation,
Pile defect and vertical compression bearing capacity etc. are monitored well, really monitor and detect that construction of structures puts into effect
10 years, 20 years or even the relevant parameters such as safety, construction of structures structural stability of engineering pile when the longer time are engineering phase
It closes design and most true, valuable first-hand data is provided, research achievement can be corrected in some aspects about phases such as engineering piles
Close pile-type design standard.
The construction procedure of pile foundation mainly includes rotary digging drilling hole, descending reinforcing cage and casting concrete.Construction main structure bottom plate
When, it is poured by the part concrete chisel removal at the top of pile foundation and with main structure base plate steel bar binding.Coagulation is poured in pile foundation construction
When native, when cutting the part concrete at the top of pile foundation and pouring bottom plate, optical fiber transmission line will receive impact drill and concrete etc.
Influence and damage, influence the transmission performance of optical fiber.
Summary of the invention
The purpose of the present invention is to provide a kind of engineering pile foundation optical fiber protective devices and application method, can be in engineering pile
Effective protection is carried out to optical fiber when base Superstructure Construction, guarantees the transmission performance of optical fiber.
To achieve the above object, the following technical schemes are provided:
A kind of engineering pile foundation optical fiber protective device, including optical fiber collecting device, wire installation and fibre-optical splice protecting box；
The optical fiber collecting device includes ontology and upper cover, and the ontology is fixed on steel reinforcement cage top, sets in the ontology
There is accommodating space, at least one threading hole is offered on the ontology, the threading hole is connected to the accommodating space；
When the optical fiber collecting device is configured as casting concrete, the accommodating space stores the optical fiber, described to wear
It is provided with the first sealing structure between string holes and the optical fiber and the upper cover and the ontology are detachably connected and to the appearance
Set space sealing；
The wire installation be configured as constructing the engineering pile foundation top main structure when, the one of the wire installation
End is detachably connected with the ontology and is connected to the accommodating space, and the wire installation is arranged and collapses the optical fiber, institute
The other end for stating wire installation is connected to the fibre-optical splice protecting box.
Further, the ontology is equipped with the first internal screw thread, and the steel reinforcement cage is equipped with can be with first internal screw thread
First external screw thread of cooperation.
Further, the threading hole is taper, cross section face of the threading hole close to one end of the accommodating space
Product is less than the cross-sectional area of the one end of the threading hole far from the accommodating space.
Further, the ontology includes threading portion and holding part, and the threading portion is fixedly arranged on the bottom of the holding part,
The threading hole is set in the threading portion, and the holding part includes first sleeve and second sleeve, and the first sleeve is arranged
The second sleeve and between the two every setting, forms the accommodating space.
Further, the second sleeve top is equipped with the second internal screw thread, and the upper cover includes connecting column and sealing cover, institute
It states connecting column to be fixed on the sealing cover, the connecting column is equipped with can be with the second outer spiral shell of second screw-internal thread fit
Line, the sealing cover are circumferentially with the first card slot that Open Side Down, and first card slot can be with the upper end of the first sleeve
Clamping, is provided with second seals structure between first card slot and the upper end of the first sleeve.
Further, the wire installation includes lead lid, interconnecting piece and metal hose, and the lead, which covers, to be equipped at least
One fairlead, the interconnecting piece are convexly equipped in the side of the lead lid, and the lead is fixed in one end of the metal hose
The other side of lid, the metal hose are provide with the fairlead.
Further, the interconnecting piece be equipped with can be with the third external screw thread of second screw-internal thread fit, the metal
The one end of hose far from the lead lid is connected to the fibre-optical splice protecting box.
A kind of as above described in any item engineering pile foundations application method of optical fiber protective device, includes the following steps:
When S1, engineering pile foundation construction, before descending reinforcing cage, the ontology of optical fiber collecting device is fixed on steel reinforcement cage；
S2, optical fiber is penetrated by the threading hole of the ontology in the accommodating space of the ontology；
S3, the connecting column of upper cover is connect with the second sleeve of the ontology, while the first of the sealing cover of the upper cover
The first sleeve of card slot and the ontology is clamped；
After the completion of S4, engineering pile foundation construction, the top of the chisel engineering pile foundation, the optical fiber collecting device dew are broken
Out, the upper cover is backed out from the ontology；
S5, the metal hose that the optical fiber is introduced to the wire installation by the fairlead that the lead of wire installation covers
It is interior；
S6, the interconnecting piece of the wire installation is connect with the second sleeve, the second card slot of the lead lid and institute
State first sleeve clamping；
S7, the wire installation is drawn far from one end of the lead lid to the bottom plate top that will be constructed and and optical fiber
Joint protection box connection.
Further, before step S2, following steps are carried out:
The first sealing structure is arranged on the optical fiber.
Further, before step S3, following steps are carried out:
Second seals structure is placed in first card slot.
Compared with prior art, engineering pile foundation provided by the invention optical fiber protective device and application method has as follows
The utility model has the advantages that
(1) when engineering pile foundation construction, before descending reinforcing cage, the ontology of optical fiber collecting device is fixed on steel reinforcement cage,
Optical fiber is penetrated from threading hole and is collected into accommodating space, upper cover is sealed the top of accommodating space, while threading hole
It is equipped with the first sealing structure between optical fiber, threading hole is sealed, to guarantee in subsequent descending reinforcing cage and pour coagulation
In the process of soil, optical fiber is protected.
(2) engineering pile foundation construction is completed, and before superstructure base plate pours, breaks the top of chisel engineering pile foundation, optical fiber collects dress
Exposing is set, upper cover is backed out from ontology, the optical fiber in accommodating space is penetrated by the fairlead that the lead of wire installation covers
In metal hose, then lead lid tightened with ontology, lead lid is sealed accommodating space, into the optical fiber in metal hose
It is collapsed and converges by metal hose, metal hose draws optical fiber to bottom plate top and incoming fiber optic joint protection box, prevents from pouring
Optical fiber is buried during building bottom plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical fiber collecting device provided in an embodiment of the present invention；
Fig. 2 is the assembling schematic diagram of ontology provided in an embodiment of the present invention and wire installation；
Fig. 3 is the structural schematic diagram of fibre-optical splice protecting box provided in an embodiment of the present invention.
Appended drawing reference:
100- optical fiber collecting device；200- wire installation；300- fibre-optical splice protecting box；
1- ontology；
11- threading portion；111- connecting hole；112- threading hole；
12- holding part；121- first sleeve；122- second sleeve；
13- accommodating space；
2- upper cover；
21- connecting column；22- sealing cover；
3- lead lid；31- fairlead；4- interconnecting piece.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will be described in further detail in conjunction with technical solution of the attached drawing to the embodiment of the present invention, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
As shown in Figure 1-Figure 3, the present embodiment provides a kind of engineering pile foundation optical fiber protective devices, mainly include that optical fiber is collected
Device 100, wire installation 200 and fibre-optical splice protecting box 300.
When construction work pile foundation, before descending reinforcing cage, by optical fiber collecting device 100 be fixed to steel reinforcement cage top, and
The optical fiber on ground to be drawn is penetrated in optical fiber collecting device 100.During subsequent descending reinforcing cage and casting concrete, light
Fine collection device 100 is sealed protection to optical fiber, prevents optical fiber impaired.After pouring, optical fiber collecting device 100 is located at engineering pile
The top of base.
After the completion of engineering pile foundation construction, before upper body structure of constructing, first by the broken chisel in the top of engineering pile foundation, by top
The baseplate reinforcing bar cage of main body and the top of engineering pile foundation connect.At the top of engineering pile foundation during broken chisel, at the top of engineering pile foundation
Optical fiber collecting device 100 is sealed protection to optical fiber.After the broken chisel in the top of engineering pile foundation, optical fiber collecting device 100 can expose.
Optical fiber collecting device 100 is opened, one end of wire installation 200 is connected with optical fiber collecting device 100, and the two is tightly connected.
Optical fiber penetrates in wire installation 200, and optical fiber draws the bottom plate top that will extremely pour by wire installation 200 and introduces fibre-optical splice
Protecting box 300, guarantee will not bury optical fiber into bottom plate during pouring bottom plate.
The good airproof performance of fibre-optical splice protecting box 300 (referring to Fig. 3), degree of protection are at least up to IP65.Fibre-optical splice is protected
It protects and is equipped with fiber distribution test side (not shown) inside box 300, for connecting with optical fibre interrogation instrument, collect monitoring and detection
Data.The structure of fiber distribution test side, the structure of optical fibre interrogation instrument and connection type between the two, are existing skill
Art, details are not described herein.
Specifically, referring to Fig. 1, optical fiber collecting device 100 optionally includes ontology 1 and upper cover 2.
Ontology 1 is generally cylindric.Ontology 1 optionally includes the threading portion 11 of bottom and the holding part 12 on top.
Connecting hole 111 and multiple threading holes 112 are offered in threading portion 11.The first internal screw thread is tapped in connecting hole 111.Steel reinforcement cage (figure
In be not shown) lengthways main steel bar on be tapped with the first external screw thread.Cooperated by the first internal screw thread and the first external screw thread, ontology 1 is consolidated
Due on steel reinforcement cage.Using threaded connection, structure is simple, easy to connect firm.Holding part 12 includes first sleeve 121 and second
Sleeve 122, first sleeve 121 are set in outside second sleeve 122 and form accommodating space 13 every setting between the two.In threading portion 11
Threading hole 112 be connected to accommodating space 13, optical fiber can by threading hole 112 enter accommodating space 13, accommodating space 13 is to optical fiber
It is collected receiving.
In the present embodiment, central axis of the connecting hole 111 along threading portion 11 is opened up, and guarantees peace of the ontology 1 on steel reinforcement cage
Fill stability.Threading hole 112 runs through threading portion 11 along the vertical direction.There are four threading hole 112 is set, four threading holes 112 are surrounded
The distribution of 111 even circumferential of connecting hole, it is easy to process.Further, threading hole 112 is taper.The cross section on 112 top of threading hole
Area is less than the cross-sectional area of 112 lower part of threading hole, and optical fiber is facilitated to penetrate threading hole 112.Further, in optical fiber and threading
It is equipped with the first sealing structure between hole 112, prevents concrete when casting concrete from being worn by the entrance of the gap of optical fiber and threading hole 112
String holes 112.First sealing structure is preferably rubber circle.In casting concrete, concrete compresses rubber circle, and rubber circle deforms simultaneously
To the direction vibration close to accommodating space 13 in threading hole 112, rubber circle the more is received the more tight, further increases leakproofness.
In other embodiments, the position of connecting hole 111, the structure of threading hole 112, quantity and position, can be according to tool
Body situation is adjusted, if one end of threading hole 112 can be opened in the side wall in threading portion 11, as long as guaranteeing that optical fiber can be by threading hole
112 enter accommodating space 13.Ontology 1 can be integrally formed, and can also threading portion 11 and holding part 12 be processed and be passed through respectively
The modes such as welding or flange connect, as long as can guarantee the leakproofness of 12 junction of threading portion 11 and holding part.In other realities
It applies in example, can also be not provided with connecting hole 111, directly ontology 1 can be welded on steel reinforcement cage at this time.
Upper cover 2 is detachably connected with 1 top of ontology, so as to open or close accommodating space 13.Specifically, upper cover 2
Connecting column 21 including sealing cover 22 and on sealing cover 22.
Connecting column 21 is equipped with the second external screw thread, and the top of second sleeve 122 is equipped with the second internal screw thread.Pass through the second outer spiral shell
Line and the second screw-internal thread fit realize being detachably connected between upper cover 2 and ontology 1, are connected firmly, convenient for disassembly and assembly.
In the present embodiment, sealing cover 22 is sheet, and sealing cover 22 is equipped with sealing ring (not shown), guarantees sealing cover
Leakproofness between 22 and first sleeve 121, to be sealed to accommodating space 13, when preventing engineering pile foundation from constructing concrete into
Enter accommodating space 13.In other embodiments, can in one circle the first card slot that Open Side Down of circumferential setting of sealing cover 22, first
The upper end of card slot and first sleeve 121 is clamped, so that sealing cover 22 to be set in the upper end of first sleeve 121, improves leakproofness.
Further, second seals structure can be set between the first card slot and the upper end of first sleeve 121.Second seals structure is also excellent
It is selected as rubber circle, to further increase leakproofness.
Optionally, for convenience of installation or removal upper cover 2, similar protrusion or lug can be set on sealing cover 22 (in figure not
Show) etc. structures, provide bite for tools such as spanners, be also moved easily upper cover 2, it is easy to operate.
When upper body structure of constructing, by the broken chisel in the top of engineering pile foundation, expose optical fiber protecting equipment, by upper cover 2 from originally
It is backed out on body 1, to open accommodating space 13, then wire installation 200 is connected with ontology 1, the optical fiber in accommodating space 13 is drawn
Enter in wire installation 200, wire installation 200 draws optical fiber to the bottom plate top that will be constructed, by light when preventing from pouring bottom plate
Fibre is buried into bottom plate.Specifically, referring to fig. 2, wire installation 200 include lead lid 3, interconnecting piece 4 and metal hose (in figure not
It shows).Lead lid 3, which can cover, is located at 1 top of ontology.Interconnecting piece 4 is set to lead lid 3 close to the side of ontology 1, and metal hose is set to
Side of the lead lid 3 far from ontology 1.
Interconnecting piece 4 is rod-shaped.Interconnecting piece 4 be equipped with can with outside the third of the second screw-internal thread fit in second sleeve 122
Screw thread is connected firmly with realizing being detachably connected between wire installation 200 and ontology 1, convenient for disassembly and assembly.
The overall structure of lead lid 3 is similar with the structure of above-mentioned sealing cover 22.In the present embodiment, lead lid 3 is sheet, is drawn
Line lid 3 is equipped with sealing ring (not shown), guarantees the leakproofness between lead lid 3 and first sleeve 121, with empty to accommodating
Between 13 be sealed, concrete enters accommodating space 13 when preventing from pouring bottom plate.In other embodiments, the circumferential direction of lead lid 3
It can also be equipped with circle second card slot that Open Side Down, the upper end clamping of the second card slot and first sleeve 121, and be equipped between the two
Third sealing structure, concrete enters accommodating space by the gap of lead lid 3 and first sleeve 121 when preventing the later period from pouring bottom plate
13.Third sealing structure is preferably also rubber circle.Lead lid 3 is equipped with fairlead 31.There are four fairlead 31 is set, worn with above-mentioned
The quantity of string holes 112 is identical.Four fairleads 31 are distributed by axis even circumferential of the central axis of lead lid 3.
Metal hose is provide with four fairleads 31, i.e. fairlead 31 is connected to the inside of metal hose, in accommodating space 13
Optical fiber by fairlead 31 enter metal hose in.Optionally, increase with the distance to lead lid 3, the diameter of metal hose is not
Disconnected to reduce, it is one that four optical fiber protruded into metal hose, which collapse convergence by metal hose,.Metal hose guiding optical cable passes through
Bottom plate, optical fiber is nuzzled in bottom plate when preventing from pouring bottom plate.The one end of metal hose far from lead lid 3 and fibre-optical splice protecting box
300 connections, the fibre-optical splice after being collapsed convergence are introduced into fibre-optical splice protecting box 300 by metal hose.
The present embodiment also provides the application method of above-mentioned engineering pile foundation optical fiber protective device, specifically includes the following steps:
When engineering pile foundation is constructed, before descending reinforcing cage, the ontology 1 of optical fiber collecting device 100 is fixed on steel reinforcement cage
Portion.Specifically, the first external screw thread on the lengthways main steel bar of the first internal screw thread and steel reinforcement cage in threading portion 11 is cooperated, thus will
Ontology 1 is fixed on steel reinforcement cage.
It is arranged the first sealing structure on optical fiber, and optical fiber is penetrated into accommodating space by the threading hole 112 in threading portion 11
In 13, the first sealing structure is pushed into threading hole 112 along optical fiber.It can also be first by optical fiber by the threading hole 112 in threading portion 11
It penetrates in accommodating space 13, first sealing structure is set in the gap of optical fiber and threading hole 112 later.
Second seals structure is placed in the first card slot on the sealing cover 22 of upper cover 2.The lid of upper cover 2 is located on ontology 1.
Specifically, the connecting column 21 of upper cover 2 is connect with the second sleeve 122 of ontology 1 by the second external screw thread and the second internal screw thread, together
When, the upper end of the first card slot and first sleeve 121 is clamped.After the lid of upper cover 2 closes on ontology 1, it can be poured.
After the completion of engineering pile foundation construction, the top of chisel engineering pile foundation is broken, optical fiber collecting device 100 is exposed.Optical fiber is collected
The upper cover 2 of device 100 is backed out from ontology 1.
Third sealing structure is placed in the second card slot of the lead lid 3 of wire installation 200.By the optical fiber of accommodating space 13
It penetrates the fairlead 31 on lead lid 3 and enters in metal hose, optical fiber is collapsed and converged by metal hose.Again by wire installation
200 interconnecting piece 4 is connect with second sleeve 122 by third external screw thread and the second screw-internal thread fit, meanwhile, on lead lid 3
The upper end of second card slot and first sleeve 121 is clamped, so that wire installation 200 is connected with ontology 1.
Metal hose is drawn far from one end of lead lid 3 to the bottom plate top that will be constructed, and by the end incoming fiber optic
Joint protection box 300, so that optical fiber be passed through in bottom plate and incoming fiber optic joint protection box 300.
Engineering pile foundation provided in this embodiment optical fiber protective device and application method, can be in engineering pile foundation and upper part knot
Optical fiber is protected in the work progress of structure, guarantees fiber transmission performance, realize to the pile body integrity of engineering pile life-cycle,
Defective, ess-strain monitoring, really monitor and detect construction of structures put into effect 10 years, 20 years or even longer time when
The relevant parameters such as safety, the construction of structures structural stability of engineering pile provide most true, valuable for engineering relevant design
First-hand data.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of engineering pile foundation optical fiber protective device, which is characterized in that including optical fiber collecting device (100), wire installation
(200) and fibre-optical splice protecting box (300)；
The optical fiber collecting device (100) includes ontology (1) and upper cover (2), and the ontology (1) is fixed on steel reinforcement cage top, institute
It states in ontology (1) and is equipped with accommodating space (13), offer at least one threading hole (112), the threading hole on the ontology (1)
(112) it is connected to the accommodating space (13)；
When the optical fiber collecting device (100) is configured as casting concrete, the accommodating space (13) stores the optical fiber, institute
It states and is provided with the first sealing structure and the upper cover (2) between threading hole (112) and the optical fiber and the ontology (1) is detachable
It connects and the accommodating space (13) is sealed；
The wire installation (200) be configured as constructing the engineering pile foundation top main structure when, the wire installation
(200) one end is detachably connected with the ontology (1) and is connected to the accommodating space (13), the wire installation (200)
It is arranged and collapses the optical fiber, the other end of the wire installation (200) is connected to the fibre-optical splice protecting box (300).
2. engineering pile foundation according to claim 1 optical fiber protective device, which is characterized in that the ontology (1) is equipped with
First internal screw thread, the steel reinforcement cage is equipped with can be with the first external screw thread of first screw-internal thread fit.
3. engineering pile foundation according to claim 1 optical fiber protective device, which is characterized in that the threading hole (112) is
Taper, cross-sectional area of the threading hole (112) close to the one end of the accommodating space (13) are less than the threading hole (112)
The cross-sectional area of one end far from the accommodating space (13).
4. engineering pile foundation according to claim 1 optical fiber protective device, which is characterized in that the ontology (1) includes wearing
Line portion (11) and holding part (12), the threading portion (11) are fixedly arranged on the bottom of the holding part (12), the threading hole (112)
On the threading portion (11), the holding part (12) includes first sleeve (121) and second sleeve (122), and described first
Sleeve (121) is arranged the second sleeve (122) and between the two every setting, forms the accommodating space (13).
5. engineering pile foundation according to claim 4 optical fiber protective device, which is characterized in that the second sleeve (122)
Top is equipped with the second internal screw thread, and the upper cover (2) includes connecting column (21) and sealing cover (22), and the connecting column (21) is fixed on
On the sealing cover (22), the connecting column (21) be equipped with can with the second external screw thread of second screw-internal thread fit, it is described
Sealing cover (22) is circumferentially with the first card slot that Open Side Down, and first card slot can be upper with the first sleeve (121)
End clamping, is provided with second seals structure between first card slot and the upper end of the first sleeve (121).
6. engineering pile foundation according to claim 5 optical fiber protective device, which is characterized in that the wire installation (200)
Including lead lid (3), interconnecting piece (4) and metal hose, the lead lid (3) is equipped at least one fairlead (31), described
Interconnecting piece (4) is convexly equipped in the side of the lead lid (3), and the another of the lead lid (3) is fixed in one end of the metal hose
Side, the metal hose are provide with the fairlead (31).
7. engineering pile foundation according to claim 6 optical fiber protective device, which is characterized in that set on the interconnecting piece (4)
Having can be with the third external screw thread of second screw-internal thread fit, the metal hose one end and institute far from the lead lid (3)
State fibre-optical splice protecting box (300) connection.
8. a kind of application method of claim 1-7 described in any item engineering pile foundations optical fiber protective device, which is characterized in that
Include the following steps:
When S1, engineering pile foundation construction, before descending reinforcing cage, the ontology (1) of optical fiber collecting device (100) is fixed on steel reinforcement cage
On；
S2, optical fiber is penetrated by the threading hole (112) of the ontology (1) in the accommodating space (13) of the ontology (1)；
S3, the connecting column (21) of upper cover (2) is connect with the second sleeve (122) of the ontology (1), while the upper cover (2)
Sealing cover (22) the first card slot and the ontology (1) first sleeve (121) be clamped；
After the completion of S4, engineering pile foundation construction, the top of the chisel engineering pile foundation, optical fiber collecting device (100) dew are broken
Out, the upper cover (2) is backed out from the ontology (1)；
S5, the optical fiber is introduced into the wire installation by the fairlead (31) on the lead lid (3) of wire installation (200)
(200) in metal hose；
S6, the interconnecting piece (4) of the wire installation (200) is connect with the second sleeve (122), the lead lid (3)
Second card slot and the first sleeve (121) are clamped；
S7, by the wire installation (200) far from described lead lid (3) one end draw to the bottom plate top that will be constructed and with
Fibre-optical splice protecting box (300) connection.
9. the engineering pile foundation according to claim 8 application method of optical fiber protective device, which is characterized in that in step S2
Before, following steps are carried out:
The first sealing structure is arranged on the optical fiber.
10. the engineering pile foundation according to claim 8 application method of optical fiber protective device, which is characterized in that in step
Before S3, following steps are carried out:
Second seals structure is placed in first card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389204.1A CN110007415B (en) | 2019-05-10 | Optical fiber protection device for engineering pile foundation and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389204.1A CN110007415B (en) | 2019-05-10 | Optical fiber protection device for engineering pile foundation and use method |
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| Publication Number | Publication Date |
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| CN110007415A true CN110007415A (en) | 2019-07-12 |
| CN110007415B CN110007415B (en) | 2024-05-17 |
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| CN101120494A (en) * | 2005-12-21 | 2008-02-06 | 烙克赛克股份有限公司 | A device for sealing of inserted cables, conduits or pipes |
| CN101520317A (en) * | 2009-04-10 | 2009-09-02 | 山东大学 | Rock deforming and cracking three-dimensional dynamic testing system based on fiber strain sensing |
| TWM433436U (en) * | 2012-01-16 | 2012-07-11 | xiang-lin Zhan | Fast removable sealing cover |
| EP3412948A1 (en) * | 2017-06-09 | 2018-12-12 | Beele Engineering B.V. | Plug for insertion in a conduit and for holding a pipe, tube or cable |
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| CN209624862U (en) * | 2019-05-10 | 2019-11-12 | 中冶建筑研究总院（深圳）有限公司 | A kind of engineering pile foundation optical fiber protective device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101120494A (en) * | 2005-12-21 | 2008-02-06 | 烙克赛克股份有限公司 | A device for sealing of inserted cables, conduits or pipes |
| CN101520317A (en) * | 2009-04-10 | 2009-09-02 | 山东大学 | Rock deforming and cracking three-dimensional dynamic testing system based on fiber strain sensing |
| TWM433436U (en) * | 2012-01-16 | 2012-07-11 | xiang-lin Zhan | Fast removable sealing cover |
| EP3412948A1 (en) * | 2017-06-09 | 2018-12-12 | Beele Engineering B.V. | Plug for insertion in a conduit and for holding a pipe, tube or cable |
| CN208257328U (en) * | 2018-04-25 | 2018-12-18 | 广州市人防建筑设计研究院有限公司 | Wall pipe |
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