CN104977153A - Optical fiber macro bending device - Google Patents
Optical fiber macro bending device Download PDFInfo
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- CN104977153A CN104977153A CN201510303926.2A CN201510303926A CN104977153A CN 104977153 A CN104977153 A CN 104977153A CN 201510303926 A CN201510303926 A CN 201510303926A CN 104977153 A CN104977153 A CN 104977153A
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Abstract
The invention provides an optical fiber macro bending device, and belongs to the field of optical fiber test auxiliary equipment. The optical fiber macro bending device comprises a pedestal, a transmission box, a fiber winding cylinder shaft, a fiber winding cylinder, a hand wheel, a rotating lead screw, a lead screw nut, a guide rod and a fiber releasing mechanism. The rear end of the left side of the pedestal extends so that a fiber placing mechanism installing arm is formed. The transmission box is arranged at the right side of the pedestal, and the box cavity is internally provided with a transition gear. A horizontal cantilever end is formed at the left end of the fiber winding cylinder shaft, and the right end is arranged on the transmission box and a driving gear is fixed on the right end. The fiber winding cylinder is arranged on the fiber winding cylinder shaft. The hand wheel is arranged on a hand wheel fixing shaft head. The left end of the rotating lead screw is arranged on a rotating lead screw left bearing base, and the right end is arranged on the transmission box and a lead screw gear is fixed on the right end. The lead screw nut is arranged on the rotating lead screw, a fiber guide disc is arranged on the lead screw nut, a fiber guide slot is formed on the disc edge, a guide arm is fixed at one side, and a guide arm slide pin is formed at the tail end of the guide arm. The guide rod is arranged on the transmission box. The fiber releasing mechanism is arranged on the fiber releasing mechanism installing arm. Speed ratio of the driving gear to the lead screw gear is 3 or 4:1. Movement smoothness is great, and the guide effect of the optical fiber guide fiber winding cylinder is improved; movement resistance is mitigated; fiber winding efficiency is enhanced and operation is laborsaving; and use and maintenance are facilitated.
Description
Technical field
The invention belongs to the technical field of auxiliary equipment of test optical fiber, be specifically related to a kind of optical fiber macrobend device.
Background technology
Aforesaid optical fiber macrobend device also claims the device around fine device or the test of optical fiber macrobend attenuation.As is known in the industry, fibre-optical bending can cause the radiation loss of optical fiber.When optical fiber is subject to very large bending of radius, namely when fiber bending radius reaches the degree with its diameter with comparability, the transport property of optical fiber can change, a large amount of guided modeses is converted to radiation mode, no longer continue transmission, but enter covering, coated layer or absorbed by covering, thus cause the added losses of optical fiber.It can thus be appreciated that the added losses of optical fiber are greater than caused by its fibre diameter by the radius-of-curvature of optical fiber, and reason roughly has but is not limited to the following aspects: one is that route is turned and lays the bending of middle generation; Various reserved bending (reserved circle, the natural torsion) caused of optical fiber, optical cable; In connector box, the dish of optical fiber stays cause bending; What in calculator room equipment, the coiling of tail optical fiber was formed is bending.
Owing to contributing to optical fiber to testing fibre-optical macro-coiling property, optical cable production firm is to optical fiber, the quality of optical cable and the grasp of relevant technical indicator, thus after optical fiber fabrication completes (also claiming wire-drawing shape), need to carry out macrobend characteristic to it test, specifically: according to testing standard, tested optical fiber be above wound around tens of circle at the pipe (also claiming cylinder) of certain diameter and even reach 100 circles (number of the number of turns is determined according to test request), and then the additional attenuation test that this optical fiber macrobend produced, and the test of tested optical fiber is carried out under state tension-free pine usually.
Previously, aforesaid the work of Optical Fiber Winding on pipe or cylinder to be taken on by hand by tester, namely by manual around fibre, one of shortcoming, is easy to Lous circle; Two, speed of wrap is slow; Three, the homogeneity of the fiber turns be wound and tightness cannot be held, impact test effect.Along with the release of optical fiber macrobend device with robotization or semi-automation, the shortcoming of aforementioned manual winding optical fiber is eliminated substantially.
The technical information about optical fiber macrobend device can be seen in, as Authorization Notice No. CN203561490U(optical fiber macrobend loss test device in disclosed Chinese patent literature) and publication No. CN104089759A(optical fiber macrobend attenuation proving installation and method).Typical have " for testing fibre-optical macro-coiling property around fine device " as Authorization Notice No. CN2490567Y recommendation, this patent formula objectively can embody the technique effect that its instructions the 1st page of final stage is recorded to the 2nd page of the 2nd row, but there is following shortcoming: one, because rotary screw rod is cantilevered, so in order to ensure the robust motion of leading fine dish (patent claims winding displacement slide block) be matched with on rotary screw rod, thus one guiding trestle need be set in the position corresponding to rotary screw rod and offer on guiding trestle and coil for leading fibre the gathering sill be slidably matched, thus make structure be tending towards complicated, increase manufacturing cost, its two, directly to contact with the gathering sill be opened on guiding trestle and surface of contact is relatively large owing to leading fine dish, thus lead fine dish at the volley suffered resistance also corresponding comparatively greatly, comparatively require great effort when operator operates handwheel (patent claims handle), its three, due to rotary screw rod be horizontal boom formula arrange, thus in motion process, unavoidably there will be vibration situation, affect the effect of Optical Fiber Winding on winding fine tube, they are four years old, rotary screw rod is driven owing to directly directly being engaged with the screw gear be fixed on rotary screw rod (patent claims driven gear) by the driving gear be fixed on hand wheel shaft (patent claims manual shaft), and between the two without speed ratio difference, thus both affected Optical Fiber Winding to the efficiency on winding fine tube, and be unfavorable for again embodying rapid operation.
And for example Authorization Notice No. CN203372907U provides " Winder for the experiment of optical fiber macrobend ", this patent formula has the technique effect that the 0025 to 0026 section, instructions is recorded, but there is following shortcoming: one is that power wheel (i.e. driving gear) on the winding fine tube axle owing to being fixed on winding fine tube (patent claims roller) realizes being in transmission connection by driving-belt and the power wheel (i.e. screw gear) be fixed on rotary screw rod, thus the power wheel be fixed on rotary screw rod shows as passive type motion, when driving-belt relaxes, the rotation of rotary screw rod is affected, two is the not mentioned enlightenments of how to take off or to install winding fine tube easily of patent, three is because patent adopts two axis of guides to guarantee the robust motion of the slide block (being equivalent to aforesaid fibre of leading coil) be disposed on rotary screw rod, thus causes complex structure, increases manufacturing cost, four is owing to needing by optical fiber through being opened in the optic fibre hole (the 0037th section, instructions) of leading on fine bar (patent claims conductor rod) before optical fiber is caused winding fine tube, thus operation trouble relatively, five is that handwheel (patent claims wind) owing to ordering about winding fine tube motion is positioned at the side of base, and is aforesaidly fixed on the opposite side that the power wheel on winding fine tube axle and the power wheel be fixed on rotary screw rod are positioned at support, thus loses succinct.
For above-mentioned prior art, be necessary to be improved, the applicant has done positive and useful design for this reason, defines technical scheme described below.
Summary of the invention
Task of the present invention is that providing a kind of contributes to ensureing the stationarity of rotary screw rod displacement and ensure that leading fibre coils the robust motion on rotary screw rod and use improvement by optic fibre guide to the effect on winding fine tube, be conducive to significantly alleviating the resistance of motion of leading fine dish and use and ensure and lead the displacement effect of fine dish on rotary screw rod, be of value to the driving gear making to be fixed on hand wheel shaft embody rational speed ratio relation with the screw gear be fixed on rotary screw rod and use and improve around fine operating efficiency and embody rapid operation, have and be convenient to rapidly winding fine tube be taken off or return to use in winding fine tube axle to meet macrobend attenuation test request and be of value to from winding fine tube axle simplify one-piece construction and embody excellent concise effect and use the optical fiber macrobend device conveniently installed and used and safeguard.
Task of the present invention has been come like this, a kind of optical fiber macrobend device, and comprise a base, this base is arranged on the terrace of optical fiber macrobend attenuation test site in a state of use, and is extended with one in the rear end, left side of this base and puts fine mechanism mounting arm; One transmission case, this transmission case is fixed on the right side of described base, and is provided with a transition gear rotationally in the transmission case chamber of this transmission case; One winding fine tube axle, the left end of this winding fine tube axle is configured to horizontal boom end and corresponds to the top of described base, and the right-hand member of winding fine tube axle is drivingly bearing on described transmission case, and be fixed with a driving gear, this driving gear is meshed with described transition gear in transmission case chamber, and the right-hand member end stretch of winding fine tube axle is outside transmission case chamber and be configured with a handwheel stationary shaft head; One winding fine tube, this winding fine tube is arranged on described winding fine tube axle, and under fine state, this winding fine tube moves with the motion of winding fine tube axle, and in end after fibre, this winding fine tube is dialled from winding fine tube axle from the right-hand member of winding fine tube axle; One handwheel, this handwheel is fixed on described handwheel and fixes on spindle nose; One rotary screw rod, this rotary screw rod corresponds to the rear side of described winding fine tube axle, and the left end of this rotary screw rod is bearing on the left supporting base of rotary screw rod rotationally, and the left supporting base of rotary screw rod is fixed on described base, the right-hand member of rotary screw rod to be bearing in rotationally on described transmission case and to be fixed with a screw gear, and this screw gear is meshed with described transition gear in transmission case chamber; One feed screw nut, this feed screw nut is disposed on described rotary screw rod, this feed screw nut is provided with one by bearing and leads fine dish, on the dish edge that this leads fine dish and around the circumferencial direction of leading fine dish be configured with one through and be depressed in the surface of dish edge lead fine groove, a guide arm is fixed with towards the side of described winding fine tube feed screw nut, be configured with a guide arm slip pin at the end of this guide arm, this guide arm slip pin is configured with slip pin guide groove; One guide rod, the position that this guide rod is corresponding to described guide arm slip pin is fixed on described transmission case with horizontal boom state, and described slip pin guide groove and guide rod are slidably matched; One Fang Xian mechanism, this is put fine organization establishes and puts on fine mechanism mounting arm described; The speed ratio of described driving gear and described screw gear is three or four to one.
In a specific embodiment of the present invention, described base towards under side and be positioned at four bights and be respectively fixed with a base leg, described put fine mechanism mounting arm towards under side be fixed with hold-down arm leg, make base be the state of soaring in terrace by base leg, make to put fine mechanism mounting arm in the state of soaring in terrace by hold-down arm leg.
In another specific embodiment of the present invention, a pair winding fine tube bearing housing is equipped at the right-hand member of described winding fine tube axle, this is separately fixed on the left and right tank wall of described transmission case to winding fine tube bearing housing with the state corresponded to each other, described driving gear corresponds between a pair winding fine tube bearing housing, winding fine tube axle left end and be provided with one in the position of the left end end face corresponding to described winding fine tube for be limited to by winding fine tube on winding fine tube axle and at the winding fine tube clamping and positioning circle forcing winding fine tube to rotate with winding fine tube axle under fine state.
In another specific embodiment of the present invention, the right-hand member end face of described winding fine tube expands and is provided with a winding fine tube ring flange, the ring flange defining flange on the surface being raised in winding fine tube ring flange is configured with towards the middle position of the side of described transmission case at this winding fine tube ring flange, under fine state, a winding fine tube bearing housing close contact in the left side in this ring flange defining flange and a pair described winding fine tube bearing housing.
In another specific embodiment of the present invention, fix on spindle nose be configured with a flat key at described handwheel, described handwheel and flat key are fixed and are limited nut limit by screwing the handwheel fixing the end of spindle nose at handwheel.
Also have in a specific embodiment of the present invention, described in lead fine groove section configuration be U-shaped or V-shaped.
More of the present invention and in a specific embodiment, the shape of described guide arm is Y-shaped.
In an of the present invention and then specific embodiment, be equipped with a transmission-case cover at the top of described transmission case, this transmission-case cover offer one for the oil hole to described transmission case intra-bladder instillation lubricating oil, and be equipped with a port lid on this oil hole.
Of the present invention again more and in a specific embodiment, described Fang Xian mechanism comprises puts fine dish pedestal, puts fine dish axle and put fine dish, put fine dish pedestal be fixed on described in put the left side of fine mechanism mounting arm, the left end putting fine dish axle is bearing in rotationally to be put on fine dish pedestal, and the right-hand member putting fine dish axle is configured to horizontal boom end, and put and fine dish axle is configured with one at this and puts fibre and face left to limit flange and be provided with one and put fine dish spacing collar, put fine dish to be nested with and to put on fine dish axle, and face left and limit flange and put fine coiling between spacing collar putting fibre.
In an again of the present invention and then specific embodiment, be fixed with one put fine dish bearing housing on the described top of putting fine dish pedestal, the left end putting fine dish axle is bearing in rotationally to be put on fine dish bearing housing, and the described vertical sectional shape putting fine dish is H font.
One of technique effect of technical scheme provided by the invention, left end due to rotary screw rod is bearing on the left supporting base of the rotary screw rod be fixed on base rotationally, and right-hand member is bearing on transmission case rotationally, and leading fine dish is arranged on the feed screw nut that matches with rotary screw rod by bearing, thus rotary screw rod and lead fine dish and have good robust motion, can improve the effect of optical fiber guiding winding fine tube guiding; Two, be arranged on feed screw nut by bearing owing to leading fine dish, and feed screw nut is slidably matched by guide arm and guide rod, is thus conducive to alleviating leading fine coiling and the resistance of motion of feed screw nut on rotary screw rod; Three, due to driving gear and the speed ratio of screw gear are designed to three or four to one, thus can improve around fine efficiency and embody rapid operation; Four, the left end due to winding fine tube axle is horizontal boom state, thus can easily according to need by winding fine tube install or unload in winding fine tube axle; Five, because one-piece construction is terse, and the position of handwheel on winding fine tube axle is in the same one end with driving gear, thus not only making and installation is convenient, and also has easy to use with maintenance.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structural drawing.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Everyly in the following description relate to upper and lower, left and right, the concept of directivity (or claim directionality) of front and rear is all for the location status residing for the figure be described, object is to facilitate public understanding, thus can not be understood as being particularly limited to technical scheme provided by the invention.
Give a base 1, this base 1 is arranged on the terrace of optical fiber macrobend attenuation test site in a state of use, and is extended with one in the rear end, left side of this base 1 and puts fine mechanism mounting arm 11; Give a transmission case 2, the both sides of the bottom of this transmission case 2 are respectively fixed on the right side of base 1 by transmission case gib screw 24, and in the transmission case chamber 21 of this transmission case 2, be provided with a transition gear 22 rotationally by transition gear axle bed 222, specifically: transition gear axle bed 222 adopts transition gear axle bed gib screw 2221 to fix with transmission case 2, and the two ends of the transition gear axle 221 of transition gear 22 are respectively bearing on transition gear axle bed 222 rotationally; Give a winding fine tube axle 3, the left end of this winding fine tube axle 3 is configured to horizontal boom end and corresponds to the top of said base 1, and the right-hand member of winding fine tube axle 3 is drivingly bearing on aforesaid transmission case 2, and be fixed with a driving gear 31, this driving gear 31 is meshed with aforesaid transition gear 22 in transmission case chamber 21, and the right-hand member end stretch of winding fine tube axle 3 is outer and be configured with a handwheel stationary shaft head 32 to transmission case chamber 21; Give a winding fine tube 4, this winding fine tube 4 is arranged on aforementioned winding fine tube axle 3, and under fine state, this winding fine tube 4 moves with the motion of winding fine tube axle 3, and in end after fibre, this winding fine tube 4 is dialled from winding fine tube axle 3 from the right-hand member of winding fine tube axle 3; Give a handwheel 5, this handwheel 5 is fixed on aforementioned handwheel and fixes on spindle nose 32; Give a rotary screw rod 6, this rotary screw rod 6 corresponds to the rear side of winding fine tube axle 3, and the left end of this rotary screw rod 6 is bearing on the left supporting base 61 of rotary screw rod rotationally, and the left supporting base 61 of rotary screw rod is fixed on base 1 by supporting base screw 611, the right-hand member of rotary screw rod 6 to be bearing in rotationally on transmission case 2 by a pair rotary screw rod bearing seat 63 and to be fixed with a screw gear 62, and this screw gear 62 is meshed with aforesaid transition gear 22 in transmission case chamber 21; Give a feed screw nut 7, this feed screw nut 7 is disposed on rotary screw rod 6, this feed screw nut 7 is provided with one by bearing 712 and leads fine dish 71, on the dish edge that this leads fine dish 71 and around the circumferencial direction of leading fine dish 71 be configured with one through and be depressed in the surface of dish edge lead fine groove 711, a guide arm 72 is fixed with towards the side of aforementioned winding fine tube 4 feed screw nut 7, be configured with a guide arm slip pin 721 at the end of this guide arm 72, this guide arm slip pin 721 is configured with slip pin guide groove 7211; Give a guide rod 8, the position that this guide rod 8 is corresponding to guide arm slip pin 721 is fixed on aforementioned drive case 2 by leader nut 81 with horizontal boom state, is namely fixed on the left tank wall of transmission case 2, and aforesaid slip pin guide groove 7211 is slidably matched with guide rod 8; Give a Fang Xian mechanism 9, this is put fine organization establishes and puts on fine mechanism mounting arm 11 aforementioned.In the present embodiment, the speed ratio of aforesaid driving gear 31 and described screw gear 62 is three to one, but also can be four to one.
As shown in Figure 1, said base 1 towards under side and be positioned at four bights and be respectively fixed with a base leg 12 with base leg nut 121, and aforesaid put fine mechanism mounting arm 11 towards under side leg nut 1111 be fixed with hold-down arm leg 111, make base 1 in the state of soaring in terrace by base leg 12, make to put fine mechanism mounting arm 11 in the state of soaring in terrace by hold-down arm leg 111 equally.If substitute base leg 12 and hold-down arm leg 11 with the roller with brake gear, so should be considered as equivalence change and still belong to technology contents category disclosed by the invention.
Please continue to refer to Fig. 1, a pair winding fine tube bearing housing 33 is equipped at the right-hand member of aforementioned winding fine tube axle 3, this is separately fixed on the left and right tank wall of transmission case 2 to winding fine tube bearing housing 33 with the state screw corresponded to each other, and aforesaid driving gear 31 is between a pair winding fine tube bearing housing 33.Winding fine tube axle 3 left end and be provided with one in the position of left end end face corresponding to aforementioned winding fine tube 4 for be limited to by winding fine tube 4 on winding fine tube axle 3 and at the winding fine tube clamping and positioning circle 34 forcing winding fine tube 4 to rotate with winding fine tube axle 3 under fine state.According to known shown in Fig. 1, when winding fine tube 4 is placed on after on winding fine tube axle 3, by the centring ring screw 341 be disposed on winding fine tube clamping and positioning circle 34, winding fine tube clamping and positioning circle 34 and winding fine tube axle 3 are fixed, thus by this winding fine tube clamping and positioning circle 34, winding fine tube 4 is positioned on winding fine tube axle 3, otherwise with example.
The right-hand member end face of aforementioned winding fine tube 4 expands and is provided with a winding fine tube ring flange 41, the ring flange defining flange 411 on the surface being raised in winding fine tube ring flange 41 is configured with towards the middle position of the side of transmission case 2 at this winding fine tube ring flange 41, under fine state, a winding fine tube bearing housing close contact in this ring flange defining flange 411 and the left side in aforesaid a pair winding fine tube bearing housing 33.
Preferably, fix on spindle nose 32 be configured with a flat key 321 at aforementioned handwheel, aforesaid handwheel 5 is fixing and limit nut 322 limit by screwing the handwheel fixing the end of spindle nose 32 at handwheel with flat key 321.
In the present embodiment, the aforesaid section configuration leading fine groove 711 is U-shaped, more precisely in semicircular arc, but also can be V-shaped.
As shown in Figure 1, the shape of aforesaid guide arm 72 is Y-shaped.
Preferably, a transmission-case cover 23 is fixedly equipped at the top case lid screw 232 of aforementioned drive case 2, this transmission-case cover 23 offers one for pouring into the oil hole 231 of lubricating oil in transmission case chamber 21, and be equipped with a port lid 2311 on this oil hole 231.
Because aforesaid oil hole 231 corresponds to the top of screw gear 62, thus can by lubricating oil note on screw gear 62, because screw gear 62 is meshed with transition gear 22, thus can by its by lubricating oil transition to transition gear 22, again because driving gear 31 is meshed with transition gear 22, thus by transition gear 22, lubricating oil is transferred to driving gear 31.
Preferably scheme also can arrange counter in the end of rotary screw rod 6.
Still refer to Fig. 1, aforementioned Fang Xian mechanism 9 preferably but not the structure be definitely limited to is as follows: comprise and put fine dish pedestal 91, put fine dish axle 92 and put fine dish 93, putting fine dish pedestal 91 adopts pedestal gib screw 912 to be fixed on the left side of putting fine mechanism mounting arm 11, the left end putting fine dish axle 92 is bearing in rotationally to be put on fine dish pedestal 91, and the right-hand member putting fine dish axle 92 is configured to horizontal boom end, and put and fine dish axle 92 is configured with one at this and puts fibre and face left to limit flange 921 and be provided with one and put fine dish spacing collar 922, put fine dish 93 to be nested with and to put on fine dish axle 92, and face left and limit flange 921 and put fine coiling between spacing collar 922 putting fibre.As shown in Figure 1, be equipped with a spacing collar lock screw 9221 putting on fine dish spacing collar 922, when the fine dish 93 of putting being wound with optical fiber 10 is placed on and puts after on fine dish axle 92, fine dish spacing collar 922 will be put by spacing collar lock screw 9221 to be locked in and to put on fine dish axle 92, and make to put fine dish 93 and rotate together with putting fine dish axle 92.
As shown in Figure 1, be fixed with one put fine dish bearing housing 911 on aforesaid top of putting fine dish pedestal 91, the left end putting fine dish axle 92 is bearing in this rotationally and puts on fine dish bearing housing 911, and the aforesaid vertical sectional shape putting fine dish 93 is H font.
Applicant's composition graphs 1 describes use of the present invention, first the fine dish 93 of putting being wound with the optical fiber 10 that comes from production line is placed on and puts on fine dish axle 92, fine dish spacing collar 922 will be put again be fixed on and put on fine dish axle 92, force and put fine dish 93 and be positioned to put fine dish and limit flange 92 and put and finely coil between spacing collar 93, then from the end, one end of putting the optical fiber that fine dish 93 is drawn by way of lead fine dish 71 lead fine groove 711 after stick with glue band or similar material adheres on winding fine tube 4, then handwheel 5 is shaken by operator, winding fine tube axle 3 is driven to rotate by handwheel 5, the winding fine tube 4 be positioned on winding fine tube axle 3 is driven by winding fine tube axle 3, drive transition gear 22 by the driving gear 31 on winding fine tube axle 3 simultaneously, screw gear 62 is driven through transition gear 22, by screw gear 62, rotary screw rod 6 is rotated.When rotary screw rod 6 rotates, the feed screw nut 7 on it, just at rotary screw rod 6 top offset, drives the fibre of leading arranged rotationally on it to coil 71 displacements by feed screw nut 7.Because optical fiber 10 is led in fine groove 711 corresponding to what lead fine dish 71, thus lead fine dish 71 with the process of feed screw nut 7 displacement in optical fiber 10 can be made to be wound on fine cylinder 4 with nonoverlapping state.Form the optical fiber of enough number of turns on winding fine tube 4 after, stop the operation to handwheel 5 by macrobend attenuation test request, and the end of optical fiber 10 is also adhered on winding fine tube 4.Then winding fine tube clamping and positioning circle 34 is unloaded from winding fine tube axle 3, and winding fine tube 4 is moved apart in winding fine tube axle 3, be transferred to macrobend attenuation proving installation and test.
Claims (10)
1.
a kind of optical fiber macrobend device, it is characterized in that comprising a base (1), this base (1) is arranged on the terrace of optical fiber macrobend attenuation test site in a state of use, and is extended with one in the rear end, left side of this base (1) and puts fine mechanism mounting arm (11), one transmission case (2), this transmission case (2) is fixed on the right side of described base (1), and is provided with a transition gear (22) rotationally in the transmission case chamber (21) of this transmission case (2), one winding fine tube axle (3), the left end of this winding fine tube axle (3) is configured to horizontal boom end and corresponds to the top of described base (1), and the right-hand member of winding fine tube axle (3) is drivingly bearing on described transmission case (2), and be fixed with a driving gear (31), this driving gear (31) is meshed with described transition gear (22) in transmission case chamber (21), and the right-hand member end stretch of winding fine tube axle (3) to transmission case chamber (21) outward and be configured with a handwheel stationary shaft head (32), one winding fine tube (4), this winding fine tube (4) is arranged on described winding fine tube axle (3), and under fine state, this winding fine tube (4) moves with the motion of winding fine tube axle (3), and in end after fibre, this winding fine tube (4) is dialled from winding fine tube axle (3) from the right-hand member of winding fine tube axle (3), one handwheel (5), this handwheel (5) is fixed on described handwheel and fixes on spindle nose (32), one rotary screw rod (6), this rotary screw rod (6) is corresponding to the rear side of described winding fine tube axle (3), and the left end of this rotary screw rod (6) is bearing on the left supporting base of rotary screw rod (61) rotationally, and the left supporting base of rotary screw rod (61) is fixed on described base (1), the right-hand member of rotary screw rod (6) is bearing in described transmission case (2) rotationally and goes up and be fixed with a screw gear (62), and this screw gear (62) is meshed with described transition gear (22) in transmission case chamber (21), one feed screw nut (7), this feed screw nut (7) is disposed on described rotary screw rod (6), this feed screw nut (7) is provided with one by bearing (712) and leads fine dish (71), on the dish edge that this leads fine dish (71) and around the circumferencial direction of leading fine dish (71) be configured with one through and be depressed in the surface of dish edge lead fine groove (711), a guide arm (72) is fixed with towards the side of described winding fine tube (4) feed screw nut (7), a guide arm slip pin (721) is configured with at the end of this guide arm (72), this guide arm slip pin (721) is configured with slip pin guide groove (7211), one guide rod (8), the position that this guide rod (8) is corresponding to described guide arm slip pin (721) is fixed on described transmission case (2) with horizontal boom state, and described slip pin guide groove (7211) and guide rod (8) are slidably matched, one Fang Xian mechanism (9), puts described in this Fang Xian mechanism (9) is arranged on fine mechanism mounting arm (11), the speed ratio of described driving gear (31) and described screw gear (62) is three or four to one.
2.
optical fiber macrobend device according to claim 1, it is characterized in that described base (1) towards under side and be positioned at four bights and be respectively fixed with a base leg (12), described put fine mechanism mounting arm (11) towards under side be fixed with hold-down arm leg (111), make base (1) in the state of soaring in terrace by base leg (12), make to put fine mechanism mounting arm (11) in the state of soaring in terrace by hold-down arm leg (111).
3.
optical fiber macrobend device according to claim 1, it is characterized in that being equipped with a pair winding fine tube bearing housing (33) at the right-hand member of described winding fine tube axle (3), this is separately fixed on the left and right tank wall of described transmission case (2) to winding fine tube bearing housing (33) with the state corresponded to each other, described driving gear (31) is corresponding between a pair winding fine tube bearing housing (33), winding fine tube axle (3) left end and be provided with one upper and at the winding fine tube clamping and positioning circle (34) forcing winding fine tube (4) to rotate with winding fine tube axle (3) under fine state for winding fine tube (4) being limited to winding fine tube axle (3) in the position of left end end face corresponding to described winding fine tube (4).
4.
optical fiber macrobend device according to claim 3, it is characterized in that expanding on the right-hand member end face of described winding fine tube (4) being provided with a winding fine tube ring flange (41), the ring flange defining flange (411) on the surface being raised in winding fine tube ring flange (41) is configured with towards the middle position of the side of described transmission case (2) at this winding fine tube ring flange (41), under fine state, a winding fine tube bearing housing close contact in the left side in this ring flange defining flange (411) and a pair described winding fine tube bearing housing (33).
5.
optical fiber macrobend device according to claim 1, it is characterized in that fixing on spindle nose (32) at described handwheel being configured with a flat key (321), described handwheel (5) and flat key (321) are fixing and limit nut (322) limit by screwing the handwheel fixing the end of spindle nose (32) at handwheel.
6.
optical fiber macrobend device according to claim 1, the section configuration leading fine groove (711) described in it is characterized in that is U-shaped or V-shaped.
7.
optical fiber macrobend device according to claim 1, is characterized in that the shape of described guide arm (72) is Y-shaped.
8.
optical fiber macrobend device according to claim 1, it is characterized in that being equipped with a transmission-case cover (23) at the top of described transmission case (2), this transmission-case cover (23) offers one for pouring into the oil hole (231) of lubricating oil in described transmission case chamber (21), and be equipped with a port lid (2311) on this oil hole (231).
9.
optical fiber macrobend device according to claim 1, it is characterized in that described Fang Xian mechanism (9) comprises and put fine dish pedestal (91), put fine dish axle (92) and put fine dish (93), put fine dish pedestal (91) be fixed on described in put the left side of fine mechanism mounting arm (11), the left end putting fine dish axle (92) is bearing in rotationally to be put on fine dish pedestal (91), and the right-hand member putting fine dish axle (92) is configured to horizontal boom end, and put and fine dish axle (92) is configured with one at this and puts fibre and face left to limit flange (921) and be provided with one and put and finely coil spacing collar (922), put fine dish (93) to be nested with and to put on fine dish axle (92), and be positioned at put fibre face left limit flange (921) with put fibre coil between spacing collar (922).
10.
optical fiber macrobend device according to claim 9, it is characterized in that being fixed with one on the described top of putting fine dish pedestal (91) puts fine dish bearing housing (911), the left end putting fine dish axle (92) is bearing in rotationally to be put on fine dish bearing housing (911), and the described vertical sectional shape putting fine dish (93) is H font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303926.2A CN104977153A (en) | 2015-06-04 | 2015-06-04 | Optical fiber macro bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303926.2A CN104977153A (en) | 2015-06-04 | 2015-06-04 | Optical fiber macro bending device |
Publications (1)
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| CN106053030A (en) * | 2016-08-05 | 2016-10-26 | 西安理工大学 | Electric control test device used for fiber bending loss research |
| CN106092522A (en) * | 2016-08-18 | 2016-11-09 | 江苏亨通光电股份有限公司 | A kind of optical fiber macrobending loss detection device and detection method thereof |
| CN106956960A (en) * | 2017-03-31 | 2017-07-18 | 杭州富通通信技术股份有限公司 | For the test of optical fiber macrobending loss around fine device |
| CN110095259A (en) * | 2018-01-29 | 2019-08-06 | 中天科技光纤有限公司 | A kind of optical fiber macrobending loss test fixture and its test method |
| WO2020010769A1 (en) * | 2018-07-10 | 2020-01-16 | 烽火通信科技股份有限公司 | Apparatus and method for molding eccentric spiral tail fiber |
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Application publication date: 20151014 |