CN104950410A - Protecting device capable of controlling bending radii of optical fibers - Google Patents

Protecting device capable of controlling bending radii of optical fibers Download PDF

Info

Publication number
CN104950410A
CN104950410A CN201510367693.2A CN201510367693A CN104950410A CN 104950410 A CN104950410 A CN 104950410A CN 201510367693 A CN201510367693 A CN 201510367693A CN 104950410 A CN104950410 A CN 104950410A
Authority
CN
China
Prior art keywords
connecting portion
bending radius
arc
protective device
fixed part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510367693.2A
Other languages
Chinese (zh)
Other versions
CN104950410B (en
Inventor
王阳
刘昭
严玺
王淑颖
王倩
王琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510367693.2A priority Critical patent/CN104950410B/en
Publication of CN104950410A publication Critical patent/CN104950410A/en
Application granted granted Critical
Publication of CN104950410B publication Critical patent/CN104950410B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The invention provides a protecting device capable of controlling bending radii of optical fibers and mainly solves problems that the optical fibers are damaged and cores are broken due to the fact that the bending radii of the optical fibers cannot be accurately controlled by manual operation in the prior art. The device mainly comprises two identical fixing parts and an arc-shaped plate, wherein first slots are formed in upper sides of the fixing parts, T-shaped grooves are formed in lower sides of the fixing parts, fastening bolts are arranged in the T-shaped grooves, and the two fixing parts are connected and fixed with the arc-shaped plate by the aid of the fastening bolts and in cooperation with first fastening nuts. During specific usage, the optical fibers penetrate through and are fixed in the first slots, and the bending radii of the optical fibers can be accurately controlled by the aid of the arc-shaped plate with the certain angle; the device is detailed in the specification in combination with multiple specific embodiments, and the problems that the optical fibers are damaged and the cores are broken due to the fact that the bending radii of the optical fibers cannot be accurately controlled by manual operation are effectively solved.

Description

A kind of protective device controlling fiber bending radius
Technical field
The present invention relates to a kind of protection draw-in groove, specifically a kind of protective device controlling fiber bending radius.
Background technology
Optical fiber is processed through special by SiO2 material, is made up of fibre core, coat, covering, the destructive power such as can not bear pressure in specifically installing and using, hit, and when specifically depositing and construct, is easy to sustain damage, causes its transport property to be had a strong impact on.
At present, intelligent substation is in work progress, and the phenomenon that randomness is large, optical fiber that is that complete does not meet standard-required installed by ubiquity optical fiber.Wherein, in prior art, go owing to there is no reliable instrument or means to control the bending radius of optical fiber, workmen in construction by a large amount of optical fiber be only carry out simply bending, colligation fixes; There is very large randomness in this kind of operation, and there is greatest differences because of the operant level of workmen, and owing to accurately can not control the bending radius of optical fiber, if things go on like this, will cause optical fiber to damage, the possibility of core is resolved in increase.
Therefore, in installation, how effectively to control fiber bending radius, avoid manual operation difference to cause optical fiber to damage, reducing disconnected core risk, is that those skilled in the art of the present technique need technical barrier urgently to be resolved hurrily.
Summary of the invention
For in prior art; manual operation accurately cannot control fiber bending radius; cause the problem of optical fiber damage, disconnected core; the object of the present invention is to provide a kind of protective device controlling fiber bending radius; it accurately can control the bending radius of optical fiber; avoid manual operation difference to cause optical fiber to damage, reduce disconnected core risk.
The present invention solves the technical scheme that its technical matters takes: a kind of protective device controlling fiber bending radius, is characterized in that, comprises two identical fixed parts and a slice arc, and described arc two ends are respectively equipped with the first through hole;
Be provided with parallel the first uniform wire casing on the upside of described fixed part, on the downside of described fixed part, be provided with T-slot, in described T-slot, be provided with energy its fastening bolt slided relatively;
Described fastening bolt on two described fixed parts be each passed through after two described first through holes on described arc with described first clamp nut bolt, tighten described first clamp nut and realize being connected and fixed of two described fixed parts and described arc three.
Further, it also comprises internal tooth axle and volute spring, described arc centre is split up into two symmetrical curved portions, each described curved portions is respectively equipped with a holder, two relative sides of described holder are respectively equipped with an outer tooth disk, and described outer tooth disk center is provided with the second through hole running through described holder;
Described internal tooth axle is Step Shaft structure, comprise middle thick axle portion and the thin axle portion at two ends, two ends, described thick axle portion are respectively equipped with a described outer tooth disk of confession and insert the internal gear coordinated, two ends, described thin axle portion are respectively equipped with threaded post, two described holders are nested with by described second through hole and in described thin axle portion, realize described outer tooth disk fix with engaging of described internal gear, and described volute spring to be nested with in described threaded post and to be locked with the second clamp nut be arranged in described threaded post.
Further, described fixed part entirety is made for elastomeric material or engineering plastics.
Further, described fixed part comprises the rubber layer on upper strata and the back up pad of lower floor, and described rubber layer and described back up pad are by bonding split, and described first wire casing is arranged on described rubber layer, and described T-slot is arranged in described back up pad.
Further, a connecting portion be made up of rubber is provided with between two described fixed parts; Wherein, the inner downside of described fixed part is provided with two symmetrical undertaking concave stations, a convex body is provided with between two described undertaking concave stations, described connecting portion is often held and is respectively equipped with two Connection Blocks be connected with the split of described undertaking concave station, is provided with the breach inserted for described convex body between two described Connection Blocks;
After two described fixed parts are connected with described connecting portion split, described connecting portion upper surface is lower than the groove bottom of described first wire casing.
Further, after two described fixed parts are connected with described connecting portion split, described connecting portion upper surface is concordant with described fixed part upper surface, and is provided with second wire casing that also can dock split coaxial with described first wire casing on the upside of described connecting portion.
Further, described undertaking concave station and described Connection Block adopt bonding mode to be connected and fixed.
Further, also trip bolt is provided with between described undertaking concave station and described Connection Block.
The invention has the beneficial effects as follows:
1, structure of the present invention is simple, easy to make, optical fiber can penetrate and be fixed in the first wire casing that described fixed part is arranged, because the angle of bend of arc is certain, therefore the angle of bend of optical fiber can accurately be controlled, efficiently solve in prior art, manual operation accurately cannot control fiber bending radius, causes the problem of optical fiber damage, disconnected core; And arc can utilize thin matter iron sheet or stainless steel to make, and so firmly can roll over, the further transfer of angle of bend can be realized at the scene in construction according to concrete operating mode, facilitate the construction operation of various working.
2, the present invention can will be split up into two symmetrical curved portions in the middle of arc further, each curved portions is respectively equipped with a holder, two holders and the grafting of internal tooth axle, he can realize the adjustment of angle between two fixed parts like this, meet the needs to multiple setting angle in onsite application, be convenient to the construction operation of various working.
3, the connecting portion that elastomeric material is made can be provided with in the present invention between two fixed parts, this connecting portion upper end can be smooth flat, also the second wire casing communicated with described first wire casing can be provided with, this connecting portion has certain toughness, support fixation can be had to the sweep of optical fiber, optical fiber and described connecting portion are adjacent to, thus the strict degree of crook controlling optical fiber, avoid optical fiber transition bending and damage.
4, in the present invention, fixed part entirety or upper strata adopt elastomeric material to make, first wire casing is arranged on rubber layer, thus the first wire casing has certain toughness, directly optical fiber can be pressed in the first wire casing in Specific construction and can realize the fixing of optical fiber, optical fiber is penetrated the trouble that the first wire casing brings by minimizing, improves operating efficiency; And first wire casing with toughness can also have good protective effect to optical fiber.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is part preferred embodiment of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the axle TV structure schematic diagram of the first embodiment of the present invention;
Fig. 2 is the axle TV structure schematic diagram of fixed part in the first embodiment of the present invention;
Fig. 3 is the axle TV structure schematic diagram of the novel middle arc of this use;
Fig. 4 is the axle TV structure schematic diagram of the second embodiment of the present invention;
Fig. 5 is the plan structure schematic diagram of the second embodiment of the present invention;
Fig. 6 is the structure for amplifying schematic diagram of part A in Fig. 5;
Fig. 7 is the axle TV structure schematic diagram of the third embodiment of the present invention;
Fig. 8 is the axle TV structure schematic diagram in the third embodiment of the present invention after fixed part and connecting portion split;
Fig. 9 is the axle TV structure schematic diagram of fixed part in the third embodiment of the present invention;
Figure 10 be in Fig. 9 fixed part look up structural representation;
Figure 11 is the axle TV structure schematic diagram of connecting portion in the third embodiment of the present invention;
Figure 12 is the axle TV structure schematic diagram of the present invention's the 4th kind of embodiment;
Figure 13 is the axle TV structure schematic diagram in the present invention's the 4th kind of embodiment after fixed part and connecting portion split;
Figure 14 is the axle TV structure schematic diagram of connecting portion in the present invention's the 4th kind of embodiment;
In figure: 1 fixed part, 11 rubber layers, 111 first wire casings, 11 ' back up pad, 12T type groove, 121 fastening bolts, 1,211 first clamp nuts, 13 accept concave station, 14 convex bodys, 2 arcs, 21 first through holes, 2 ' curved portions, 21 ' holder, 211 ' outer tooth disk, 212 ' second through hole, 22 ' internal tooth axle, 221 ' internal gear, 222 ' threaded post, 2221 ' second clamp nut, 23 ' volute spring, 3 connecting portions, 31 Connection Blocks, 311 threaded holes, 32 breach, 33 second wire casings, 4 connect otic placode.
Embodiment
As as shown in Fig. 1 to Figure 14, a kind of protective device controlling fiber bending radius that the present invention provides, it is characterized in that, comprise two identical fixed parts 1 and a slice arc 2, described fixed part 1 is provided with the first wire casing 111, optical fiber can penetrate and be fixed in described first wire casing 111, utilize arc 2 accurately can control the angle of bend of optical fiber, and the angle that can change further between two fixed parts 1, meet the needs to multiple setting angle in onsite application, efficiently solve in prior art, manual operation accurately cannot control fiber bending radius, optical fiber is caused to damage, the problem of disconnected core, meet various working to use.
Be more than the whole description of technical scheme of the present invention, below in conjunction with specific embodiment and accompanying drawing, the technical scheme in the embodiment of the present invention be clearly and completely described.
The first embodiment
As shown in Fig. 1 Fig. 3, the present invention includes two identical fixed parts 1 and a slice arc 2, as shown in Figure 3, described arc 2 two ends are respectively equipped with the first through hole 21; As shown in Figure 2, be provided with parallel the first uniform wire casing 111 on the upside of described fixed part 1, on the downside of described fixed part 1, be provided with T-slot 12, in described T-slot 12, be provided with energy its fastening bolt 121 slided relatively; As shown in Figure 1, with the first clamp nut 1211 bolt after the first through hole 21 that described fastening bolt 121 on two described fixed parts 1 is each passed through on described arc 2, tighten described first clamp nut 1211 and realize being connected and fixed of two described fixed parts 1 and described arc 2 three.
During concrete making uses, described arc 2 can utilize thin matter iron sheet or stainless steel to make, and so firmly can roll over, can realize the further transfer of angle of bend at the scene, thus facilitate the construction operation of various working in construction according to concrete operating mode.
In specific embodiment, described fixed part 1 entirety is made for elastomeric material or engineering plastics, and in actual applications, preferred rubber material.
This is because described first wire casing 111 is arranged on rubber layer, has certain toughness, directly can be pressed into by optical fiber in described first wire casing 111 and can realize the fixing of optical fiber in Specific construction; And then when reducing use engineering plastics, optical fiber is penetrated the trouble that described first wire casing 111 brings, improve operating efficiency, and described first wire casing 111 with toughness can also have good protective effect to optical fiber.
But, due to fixed part 1 entirety adopt elastomeric material to make time, not only elastomeric material consumption is comparatively large, and stable connection between described fixed part 1 and described arc 2 is also bad; Therefore, one as the first technical scheme is improved, as depicted in figs. 1 and 2, described fixed part 1 comprises the rubber layer 11 on upper strata and the back up pad 11 ' (back up pad 11 ' described in this is engineering plastics preferably) of lower floor, described rubber layer 11 and described back up pad 11 ' are by bonding split, described first wire casing 111 is arranged on described rubber layer 11, and described T-slot 12 is arranged in described back up pad 11 '.
Like this, only described fixed part 1 upper strata uses elastomeric material, under described first wire casing 111 of guarantee has the prerequisite of certain toughness, decreases the use of elastomeric material; And the stable connection between described fixed part 1 and described arc 2 can be ensured by the described back up pad 11 ' that intensity is higher.
The second embodiment
As a kind of prioritization scheme of the first embodiment, for realizing the adjustment of angle between two fixed parts 1, meet the needs to multiple setting angle in onsite application.As shown in Fig. 4 to Fig. 6, its principal character is, also comprise internal tooth axle 22 ' and volute spring 23 ', and described arc 2 is split up into two symmetrical curved portions 2 ' by centre, each described curved portions 2 ' is respectively equipped with a holder 21 ', two described holders 21 ' are respectively equipped with an outer tooth disk 211 ' in side relatively, and described outer tooth disk 211 ' center is provided with the second through hole 212 ' running through described holder 21 '.
As shown in Figure 6, described internal tooth axle 22 ' is Step Shaft structure, comprise middle thick axle portion and the thin axle portion at two ends, two ends, described thick axle portion are respectively equipped with a described outer tooth disk 211 ' of confession and insert the internal gear 221 ' coordinated, two ends, described thin axle portion are respectively equipped with threaded post 222 ', two described holders 21 ' are nested with by described second through hole 212 ' and in described thin axle portion, realize described outer tooth disk 211 ' fix with engaging of described internal gear 221 ', described volute spring 23 ' to be nested with in described threaded post 222 ' and to be locked (in specific embodiment with the second clamp nut 2221 ' be arranged in described threaded post 222 ', preferred as one, described volute spring 23 ' the inner is embedded in the counterbore of described holder 21 ' arranged outside, this kind of mode, not only make overall appearance, and described volute spring 23 ' is fixing more firm).
In concrete use, only need hold a fixed part 1 respectively with two hands to pull to both sides volute spring 23 ' is compressed, after outer tooth disk 211 ' is separated completely with internal gear 221 ', by rotating the adjustment realizing angle between two fixed parts 1, hand is unclamped after angular adjustment completes, under the effect of volute spring 23 ' screen resilience, outer tooth disk 211 ' and internal gear 221 ' engage fixing again.
The third embodiment
As shown in Fig. 5 to Figure 10, the one as the first technical scheme is improved, and is provided with a connecting portion be made up of rubber 3 between two described fixed parts 1; Wherein, as shown in Figure 9 and Figure 10, the inner downside of described fixed part 1 is provided with two symmetrical undertaking concave stations 13, a convex body 14 is provided with between two described undertaking concave stations 13, described connecting portion 3 often holds the breach 32 being respectively equipped with and being provided with between two Connection Blocks be connected with the split of described undertaking concave station 13,31, two described Connection Blocks 31 and inserting for described convex body 14.
As shown in Figure 8, after two described fixed parts 1 are connected with the split of described connecting portion 3, described connecting portion 3 upper surface, lower than the groove bottom of described first wire casing 111, namely forms a groove on the upside of described connecting portion 3.
In specific embodiment, described undertaking concave station 13 adopts bonding mode to be connected and fixed with described Connection Block 31.
Further, connecting tightness for increasing it, between described undertaking concave station 13 and described Connection Block 31, on the basis bondd, being also provided with trip bolt.
Like this, in concrete use, compared to the first embodiment, this connecting portion 3 has certain toughness, can have support fixation to the sweep of optical fiber, and optical fiber and described connecting portion 3 are adjacent to, thus the strict degree of crook controlling optical fiber, avoid optical fiber transition bending and damage.
In addition, other structures are all identical with the first embodiment, and at this, it is no longer repeated.
4th kind of embodiment
As shown in Figure 12 to Figure 14, as the further improvement of the third embodiment, after two described fixed parts 1 are connected with the split of described connecting portion 3, described connecting portion 3 upper surface is concordant with described fixed part 1 upper surface, and is provided with second wire casing 33 that also can dock split coaxial with described first wire casing 111 on the upside of described connecting portion 3.
Like this, in concrete use, compared to the third embodiment, optical fiber directly can be pressed in described second wire casing 33, to the sweep of optical fiber, there is better support fixation, optical fiber is firmly fixed in described second wire casing 33, thus the strict degree of crook controlling optical fiber, avoid optical fiber transition bending and damage.
In addition, in four kinds of embodiments, as shown in figure 12, described fixed part 1 can also need be provided with according to operating mode connect otic placode 4, this connection otic placode 4 is provided with the connecting through hole for being connected and fixed with other objects; Certainly, be not limited to the version shown in Figure 12 for the concrete structure connecting otic placode 4, those skilled in the art can be arranged arbitrarily according to concrete operating mode, do not repeat them here.
In the present invention, " on ", D score "left", "right" is all position relationship and the relative position adopted for convenience of description, therefore can not be interpreted as restriction to protection domain as absolute position.
Except the technical characteristic described in instructions, be the known technology of those skilled in the art.
The above has made detailed description to the preferred embodiment of the present invention and embodiment by reference to the accompanying drawings; but the present invention is not limited to the above-described embodiment and examples; for those skilled in the art; without departing from the inventive concept of the premise; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.

Claims (8)

1. one kind can control the protective device of fiber bending radius, it is characterized in that, comprise two identical fixed parts (1) and a slice arc (2), described arc (2) two ends are respectively equipped with the first through hole (21);
Described fixed part (1) upside is provided with parallel uniform the first wire casing (111), be provided with T-slot (12) on the downside of described fixed part, in described T-slot (12), be provided with energy its fastening bolt (121) slided relatively;
Described fastening bolt (121) on two described fixed parts (1) be each passed through two described first through holes (21) on described arc (2) afterwards with described first clamp nut (1211) bolt, tighten described first clamp nut (1211) and realize being connected and fixed of two described fixed parts (1) and described arc (2) three.
2. a kind of protective device controlling fiber bending radius according to claim 1, it is characterized in that, also comprise internal tooth axle (22 ') and volute spring (23 '), described arc (2) centre is split up into two symmetrical curved portions (2 '), each described curved portions (2 ') is respectively equipped with a holder (21 '), two described holders (21 ') are respectively equipped with an outer tooth disk (211 ') in side relatively, described outer tooth disk (211 ') center is provided with the second through hole (212 ' running through described holder (21 '),
Described internal tooth axle (22 ') is Step Shaft structure, comprise middle thick axle portion and the thin axle portion at two ends, two ends, described thick axle portion are respectively equipped with a described outer tooth disk (211 ') of confession and insert the internal gear (221 ') coordinated, two ends, described thin axle portion are respectively equipped with threaded post (222 '), two described holders (21 ') are nested with by described second through hole (212 ') and in described thin axle portion, realize described outer tooth disk (211 ') fix with described engaging of internal gear (221 '), described volute spring (23 ') is nested with described threaded post (222 ') is upper and (the second clamp nut (2221 ') on 222 ' is locked with being arranged on described threaded post.
3. a kind of protective device controlling fiber bending radius according to claim 1, is characterized in that, described fixed part (1) entirety is made for elastomeric material or engineering plastics.
4. a kind of protective device controlling fiber bending radius according to claim 1; it is characterized in that; described fixed part (1) comprises the rubber layer (11) on upper strata and the back up pad (11 ') of lower floor; described rubber layer (11) and described back up pad (11 ') are by bonding split; described first wire casing (111) is arranged on described rubber layer (11), and described T-slot (12) is arranged on described back up pad (11 ').
5. a kind of protective device controlling fiber bending radius according to any one of claim 3 or 4, is characterized in that, is provided with a connecting portion be made up of rubber (3) between two described fixed parts (1); Wherein, the inner downside of described fixed part (1) is provided with two symmetrical undertaking concave stations (13), a convex body (14) is provided with between two described undertaking concave stations (13), described connecting portion (3) is often held and is respectively equipped with two Connection Blocks (31) be connected with the split of described undertaking concave station (13), is provided with the breach (32) inserted for described convex body (14) between two described Connection Blocks (31);
After two described fixed parts (1) are connected with described connecting portion (3) split, described connecting portion (3) upper surface is lower than the groove bottom of described first wire casing (111).
6. a kind of protective device controlling fiber bending radius according to claim 5; it is characterized in that; after two described fixed parts (1) are connected with described connecting portion (3) split; described connecting portion (3) upper surface is concordant with described fixed part (1) upper surface, and described connecting portion (3) upside is provided with second wire casing (33) that also can dock split coaxial with described first wire casing (111).
7. a kind of protective device controlling fiber bending radius according to claim 6, is characterized in that, described undertaking concave station (13) and described Connection Block (31) adopt bonding mode to be connected and fixed.
8. a kind of protective device controlling fiber bending radius according to claim 7, is characterized in that, is also provided with trip bolt between described undertaking concave station (13) and described Connection Block (31).
CN201510367693.2A 2015-06-26 2015-06-26 A kind of protective device of controllable fiber bending radius Active CN104950410B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510367693.2A CN104950410B (en) 2015-06-26 2015-06-26 A kind of protective device of controllable fiber bending radius

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510367693.2A CN104950410B (en) 2015-06-26 2015-06-26 A kind of protective device of controllable fiber bending radius

Publications (2)

Publication Number Publication Date
CN104950410A true CN104950410A (en) 2015-09-30
CN104950410B CN104950410B (en) 2018-08-07

Family

ID=54165196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510367693.2A Active CN104950410B (en) 2015-06-26 2015-06-26 A kind of protective device of controllable fiber bending radius

Country Status (1)

Country Link
CN (1) CN104950410B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023029316A1 (en) * 2021-08-31 2023-03-09 深南电路股份有限公司 Substrate and plate body thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1432208A (en) * 2000-06-02 2003-07-23 潘都依特有限公司 Modular bend radius control fixture
CN2588395Y (en) * 2002-12-15 2003-11-26 华为技术有限公司 Optical fibre protector
CN200983020Y (en) * 2006-12-15 2007-11-28 广东天乐通信设备有限公司 Fiber in and out and storage direction change device of moveable top of optical fiber slot
CN201796159U (en) * 2010-04-29 2011-04-13 余姚市尙品通信设备有限公司 Fiber outlet of optical fiber channel
US20150139599A1 (en) * 1997-11-17 2015-05-21 Adc Telecommunications, Inc. Optical cable exit trough
CN204855891U (en) * 2015-06-26 2015-12-09 国网山东省电力公司济南供电公司 Steerable optic fibre bend radius's protection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150139599A1 (en) * 1997-11-17 2015-05-21 Adc Telecommunications, Inc. Optical cable exit trough
CN1432208A (en) * 2000-06-02 2003-07-23 潘都依特有限公司 Modular bend radius control fixture
CN2588395Y (en) * 2002-12-15 2003-11-26 华为技术有限公司 Optical fibre protector
CN200983020Y (en) * 2006-12-15 2007-11-28 广东天乐通信设备有限公司 Fiber in and out and storage direction change device of moveable top of optical fiber slot
CN201796159U (en) * 2010-04-29 2011-04-13 余姚市尙品通信设备有限公司 Fiber outlet of optical fiber channel
CN204855891U (en) * 2015-06-26 2015-12-09 国网山东省电力公司济南供电公司 Steerable optic fibre bend radius's protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023029316A1 (en) * 2021-08-31 2023-03-09 深南电路股份有限公司 Substrate and plate body thereof

Also Published As

Publication number Publication date
CN104950410B (en) 2018-08-07

Similar Documents

Publication Publication Date Title
CN104868405B (en) Multi-angle cable retention clip
CN201813110U (en) Special clamp for drawing cable machine
CN204855891U (en) Steerable optic fibre bend radius's protection device
CN104950410A (en) Protecting device capable of controlling bending radii of optical fibers
CN215926757U (en) Be used for reinforced (rfd) bolt of template engineering
CN202469321U (en) Quick connection pipeline
CN104242214A (en) Universal fixing device for cross arm type mounting of large cross-section cable laying
CN204850355U (en) Backup pad for construction
CN210510624U (en) Non-contact flange
CN209948583U (en) Connecting device for power pipeline installation
CN209786707U (en) Cable pipe clamp
CN107178093B (en) Underground pipe gallery steel cable tightening device
CN207195414U (en) A kind of formula T-bolt component free of demolition
CN204131068U (en) A kind of cable protection pipe for cable laying
CN211966508U (en) High-altitude pipeline aligning and fixing device
CN104218513B (en) A kind of cable protection pipe for cable laying
CN204345078U (en) A kind of retractable cable fixture
CN109494673A (en) Buried cable protecting device
CN216850476U (en) High-voltage cable connector
CN203560666U (en) Pipe rush-repair device
CN204592558U (en) Jacking construction rubber bushing
CN219086782U (en) Power cable
CN207796243U (en) Gate valve hand wheel connector and gate valve hand wheel rotating assembly
CN107503506A (en) One discharge plate buckle scaffold rotary movable fastener
CN220749242U (en) Rain sewage pipeline laying structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant