CN105571616A - Frameless optical fiber ring demoulding frame and demoulding method - Google Patents
Frameless optical fiber ring demoulding frame and demoulding method Download PDFInfo
- Publication number
- CN105571616A CN105571616A CN201610056346.2A CN201610056346A CN105571616A CN 105571616 A CN105571616 A CN 105571616A CN 201610056346 A CN201610056346 A CN 201610056346A CN 105571616 A CN105571616 A CN 105571616A
- Authority
- CN
- China
- Prior art keywords
- skeleton
- demoulding
- ring body
- ring
- around
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
- G01C19/721—Details
- G01C19/722—Details of the mechanical construction
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Adornments (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the field of machine manufacturing and particularly relates to a frameless optical fiber ring demoulding frame and a demoulding method. The frame comprises a retaining collar, a ring winding body and a transitional body which are sequentially assembled in a sleeved mode. The demoulding method based on the frameless optical fiber ring demoulding frame includes the steps of demoulding frame assembly, ring winding and solidifying, disassembly of an optical fiber ring from the frame and demoulding. The demoulding frame is easy to install and convenient to detach; after the frame is repeatedly assembled and disassembled, precision is high and uniformity is good; the quality of the frameless optical fiber ring is improved, production efficiency of products is improved, the unqualified rate of the products is reduced, and production cost is reduced.
Description
Technical field
The invention belongs to mechanical manufacturing field, be specifically related to a kind of skeleton-free fiber loop demoulding skeleton and release method.
Background technology
Skeleton-free fiber loop is the core of high-precision optical fiber gyro instrument.The design of demoulding skeleton and the research of releasing process are the gordian techniquies that skeleton-free fiber loop makes.Mainly there is lower column defects in demoulding skeleton known at present and releasing process:
(1) bonding with technique skeleton after the optical fiber adhesive curing in fiber optic loop, demoulding difficulty;
(2) knockout course needs to use external force to fiber optic loop, and these external force may bring the distortion of fiber optic loop, pulling fibre optic, make optical fiber even fractureed by mechanical stress, can have a negative impact to its performance;
(3) demoulding skeleton only relies on several screw to be fixed, and positioning precision is lower.After repeated disassembled and assembled, fiber optic loop coiling consistance is poor;
For the problems referred to above, fairly perfect method is not also had to solve at present.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of skeleton-free fiber loop demoulding skeleton and release method, demoulding skeleton is easily installed, for convenience detach, and after skeleton repeated disassembled and assembled, precision is high, consistance good, and fiber optic loop structure is not by stress rupture.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
There is provided a kind of skeleton-free fiber loop demoulding skeleton, its special character is: comprise baffle ring, around ring body, transition body, described baffle ring, is set with successively around ring body, transition body;
Described is the symmetrical hollow circuit cylinder of two stage steps type around ring body, and end face is cut into four flabellums by Linear cut, in " X " shape, each flabellum has some fixed orifices;
Described transition body is three grades of cylindrical multidiameters, threaded hole is had in one end that diameter is little, coincide with the external thread of winder main shaft, the other end is planar annular, plane there are some fixed orifices, for corresponding with the fixed orifice on ring body connect fastening, planar annular endoporus with around the little one end fits of ring body diameter;
Described baffle ring is annular sheet structure, is the hole coordinated with around ring body in the middle of baffle ring, some fixed orifices on baffle ring, for corresponding with the fixed orifice on ring body connect fastening.
Described baffle ring with around ring body surface of contact and transition body and scribble one deck Teflon paint around the surface of contact of ring body.
Described ring body endoporus is provided with an aligning bar coordinated with it, described aligning bar is the hollow circular cylinder that there is threaded hole one end.
Described is 20 ~ 35 degree around the medium and small fan page angle of ring body fan page, and large fan page angle 145 ~ 160 degree, Linear cut width is 0.2 ~ 0.4mm.
The present invention also provides a kind of release method of skeleton-free fiber loop demoulding skeleton, and its special character is: comprise the following steps:
1) demoulding skeleton is assembled
1.1) one end that transition body diameter is little is put on the table, and end face upward;
1.2) four fan pages around ring body are placed in transition body large end face endoporus;
1.3) in the middle of four fan pages, put into aligning bar, and carry out fastening at four fan page cylindrical surface cover bungees;
1.4) threaded hole in ring body four fan pages and the threaded hole on transition body are aligned;
1.5) insert scale copper at the gap location of four fan pages, the relative position of four fan pages is adjusted further;
1.6) be screwed into from transition body back with screw, fastening transition body and around ring body;
1.7) take off fastening bungee, be screwed into the threaded hole of aligning bar inside with screw rod, aligning bar is withdrawn from around ring body;
1.8) scale copper is extracted;
1.9) baffle ring is put on ring body, baffle ring and threaded hole in ring body four fan pages are aligned, and with screw fastening;
2) around ring and solidification
2.1) internal thread hole on demoulding skeleton transition body is twisted on the outside threaded holes of winder main shaft;
2.2) carry out around ring around ring process according to existing;
2.3) be cured by the existing curing process of fiber optic loop after complete;
3) fiber optic loop take off from skeleton, mould unloading
3.1) disassembled from solidification frock by the skeleton of band fiber optic loop, skeleton upward, is put on the table by baffle ring;
3.2) turn on the screw on baffle ring, baffle ring is disassembled from skeleton;
3.3) overturn by skeleton, transition body is placed on the table upward, turns on the screw on transition body, is disassembled by transition body from skeleton;
3.4) high-low temperature chamber will be put into around ring body together with fiber optic loop and carry out one group of high/low temperature circulation, high temperature 30 ~ 45 DEG C, low temperature-70 ~-40 DEG C;
3.5) push away two little fan pages around ring body with have gentle hands, little fan page is dismantled one by one and takes off;
3.6) push away two large fan pages around ring body with have gentle hands again, large fan page is dismantled one by one and takes off;
3.7) complete skeleton-free fiber loop is finally formed.
The thickness of described scale copper is 0.1mm.
In described high/low temperature circulation, high temperature is 30 ~ 45 DEG C, and low temperature is-70 ~-40 DEG C.
Beneficial effect of the present invention is embodied in:
When the present invention is directed to the skeleton-free fiber loop demoulding fiber optic loop bonding with skeleton and the demoulding is difficult, knockout course fiber optic loop by mechanical stress the problem such as precision consistance difference after large and skeleton repeated disassembled and assembled, devise a kind of skeleton-free fiber loop demoulding skeleton, and devise a set of releasing process method according to this demoulding skeleton, can effectively solve the problem.Present invention achieves the smooth demoulding of skeleton-free fiber loop, the fiber optic loop flat appearance after the demoulding, without falling fibre, the defect such as to come unstuck.Meanwhile, the extra-stress that the present invention produces the fiber optic loop demoulding is little, improves the quality of fiber optic loop.In addition, the demoulding skeleton in the present invention is easily installed, for convenience detach, and after skeleton repeated disassembled and assembled, precision is high, consistance good.Application of the present invention improves the quality of skeleton-free fiber loop, improves the production efficiency of product, reduces the disqualification rate of product, reduces production cost.
Accompanying drawing explanation
Fig. 1 is around ring body structurc schematic diagram;
Fig. 2 is transition body structural representation;
Fig. 3 is baffle ring structural representation;
Fig. 4 aligning bar structural representation;
Fig. 5 skeleton-free fiber loop demoulding skeleton assembling process schematic diagram;
In figure, 1, baffle ring 2, aligning bar 3, around ring body 4, transition body 5, socket head cap screw
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Participate in Fig. 1 ~ Fig. 4, a kind of skeleton-free fiber loop demoulding skeleton, comprises following components:
(1) this demoulding skeleton is left, center, right three-body type structure, and the left side is baffle ring 1, and centre is around ring body 3, and the right is transition body 4.Baffle ring 1 and between ring body 3, all connect fastening by socket head cap screw 5 around between ring body 3 and transition body 4.
(2) be cut into four fan pages around ring body 3 by Linear cut in the middle of, in " X " shape, little fan page angle is 20 ~ 35 degree, large fan page angle 145 ~ 160 degree, and Linear cut width is 0.2 ~ 0.4mm.Each fan page there are three screw hole triangle polyester fibre.Before Linear cut, numbering that fan page is carved characters, before and after guaranteeing fan page cutting, relative position is constant, to improve the precision after part combination.For making cooperation tight, not making optical fiber fall into seam crossing around ring body and baffle plate, transition body, around ring body flabellum seamed edge not abate, keeping sharp and sharpen.
(3) transition body 4 structure on the right is cylindrical multidiameter, and have threaded hole in one end that diameter is little, can be installed on the external thread of winder main shaft, the other end is plane, and plane is drilled with threaded hole, for carry out around ring body 3 being connected fastening.
(4) baffle plate 1 on the left side is thin-slab construction, is the hole coordinated with around ring body 3 in the middle of baffle plate, baffle plate is also drilled with threaded hole, for carry out around ring body 3 being connected fastening.
(5) be better fastening and location, adopt socket head cap screw 5 make mounting screw.
(6) one deck non cohesive gel material is sprayed with around the periphery of ring body 3, the plane of baffle plate 1 and transition body 4 large end face surface---Teflon paint.
(7) around ring body 3 and transition body 4 endoporus clearance fit, 10 ~ 30 microns, gap.
(8) for improving installation accuracy, adding an aligning bar 2, aligning bar 2 is drilled with aperture around ring body 3 inside, available screw rod drives aligning bar 2 to exit from the skeleton combined.Aligning bar 2 periphery with around ring body 3 endoporus be clearance fit, 10 ~ 30 microns, gap.
See Fig. 5, the step of the installation of certain skeleton-free fiber loop demoulding skeleton, work, the demoulding is as follows:
Step one: assembling demoulding skeleton
(1) put on the table by one end little for transition body 4 diameter, end face upward;
(2) four fan pages around ring body 3 are placed in transition body large end face endoporus;
(3) in the middle of four fan pages, put into aligning bar 2, and carry out fastening at four fan page cylindrical surface covers, 1 ~ 3 bungee;
(4) threaded hole in ring body four fan pages and the threaded hole on transition body are aligned;
(5) be the scale copper of 0.1mm at the gap location inserting thickness of four fan pages, the relative position of four fan pages is aligned further;
(6) be screwed into from transition body back with 12 socket head cap screws 5, fastening transition body and around ring body;
(7) take off fastening bungee, be screwed into the threaded hole of aligning bar inside with screw rod, aligning bar is withdrawn from around ring body;
(8) scale copper of adjusting play is extracted;
(9) baffle ring 1 is put on ring body, baffle ring and the threaded hole in ring body four fan pages are aligned, and fastening with 12 socket head cap screws;
Step 2: around ring and solidification
(1) internal thread hole on demoulding skeleton transition body is twisted on the outside threaded holes of winder main shaft;
(2) carry out around ring around ring process according to existing.
(3) be cured by the existing curing process of fiber optic loop after complete.
Step 3: fiber optic loop is taken off from skeleton, mould unloading
(1) disassembled from solidification frock by the skeleton of band fiber optic loop, skeleton upward, is put on the table by baffle ring;
(2) turn on 12 screws on baffle ring, baffle ring is disassembled from skeleton;
(3) overturn by skeleton, transition body is placed on the table upward, turns on 12 screws on transition body, is disassembled by transition body from skeleton;
(4) high-low temperature chamber will be put into around ring body together with fiber optic loop and carry out one group of high/low temperature circulation, high temperature 30 ~ 45 DEG C, low temperature-70 ~-40 DEG C;
(5) push away two little fan pages around ring body with have gentle hands, little fan page is dismantled one by one and takes off;
(6) push away two large fan pages around ring body with have gentle hands again, large fan page is dismantled one by one and takes off;
(7) complete skeleton-free fiber loop is finally formed.
Present invention achieves the smooth demoulding of skeleton-free fiber loop, the fiber optic loop flat appearance after the demoulding, without falling fibre, the defect such as to come unstuck.Meanwhile, the extra-stress that the present invention produces the fiber optic loop demoulding is little, improves the quality of fiber optic loop.In addition, the demoulding skeleton in the present invention is easily installed, for convenience detach, and after skeleton repeated disassembled and assembled, precision is high, consistance good.Application of the present invention improves the quality of skeleton-free fiber loop, improves the production efficiency of product, reduces the disqualification rate of product, reduces production cost.
Claims (7)
1. a skeleton-free fiber loop demoulding skeleton, is characterized in that: comprise baffle ring, around ring body, transition body, described baffle ring, is set with successively around ring body, transition body;
Described is the symmetrical hollow circuit cylinder of two stage steps type around ring body, and end face is cut into four flabellums by Linear cut, in " X " shape, each flabellum has some fixed orifices;
Described transition body is three grades of cylindrical multidiameters, threaded hole is had in one end that diameter is little, coincide with the external thread of winder main shaft, the other end is planar annular, plane there are some fixed orifices, for corresponding with the fixed orifice on ring body connect fastening, planar annular endoporus with around the little one end fits of ring body diameter;
Described baffle ring is annular sheet structure, is the hole coordinated with around ring body in the middle of baffle ring, some fixed orifices on baffle ring, for corresponding with the fixed orifice on ring body connect fastening.
2. a kind of skeleton-free fiber loop demoulding skeleton according to claim 1, is characterized in that: described baffle ring with around ring body surface of contact and transition body and scribble one deck Teflon paint around the surface of contact of ring body.
3. a kind of skeleton-free fiber loop demoulding skeleton according to claim 1, is characterized in that: described ring body endoporus is provided with an aligning bar coordinated with it, and described aligning bar is the hollow circular cylinder that there is threaded hole one end.
4. a kind of skeleton-free fiber loop demoulding skeleton according to claim 1, is characterized in that: described is 20 ~ 35 degree around the medium and small fan page angle of ring body fan page, and large fan page angle 145 ~ 160 degree, Linear cut width is 0.2 ~ 0.4mm.
5., based on the release method of a kind of skeleton-free fiber loop demoulding skeleton according to claim 3, it is characterized in that: comprise the following steps:
1) demoulding skeleton is assembled
1.1) one end that transition body diameter is little is put on the table, and end face upward;
1.2) four fan pages around ring body are placed in transition body large end face endoporus;
1.3) in the middle of four fan pages, put into aligning bar, and carry out fastening at four fan page cylindrical surface cover bungees;
1.4) threaded hole in ring body four fan pages and the threaded hole on transition body are aligned;
1.5) insert scale copper at the gap location of four fan pages, the relative position of four fan pages is adjusted further;
1.6) be screwed into from transition body back with screw, fastening transition body and around ring body;
1.7) take off fastening bungee, be screwed into the threaded hole of aligning bar inside with screw rod, aligning bar is withdrawn from around ring body;
1.8) scale copper is extracted;
1.9) baffle ring is put on ring body, baffle ring and threaded hole in ring body four fan pages are aligned, and with screw fastening;
2) around ring and solidification
2.1) internal thread hole on demoulding skeleton transition body is twisted on the outside threaded holes of winder main shaft;
2.2) carry out around ring around ring process according to existing;
2.3) be cured by the existing curing process of fiber optic loop after complete;
3) fiber optic loop take off from skeleton, mould unloading
3.1) disassembled from solidification frock by the skeleton of band fiber optic loop, skeleton upward, is put on the table by baffle ring;
3.2) turn on the screw on baffle ring, baffle ring is disassembled from skeleton;
3.3) overturn by skeleton, transition body is placed on the table upward, turns on the screw on transition body, is disassembled by transition body from skeleton;
3.4) high-low temperature chamber will be put into around ring body together with fiber optic loop and carry out one group of high/low temperature circulation, high temperature 30 ~ 45 DEG C, low temperature-70 ~-40 DEG C;
3.5) push away two little fan pages around ring body with have gentle hands, little fan page is dismantled one by one and takes off;
3.6) push away two large fan pages around ring body with have gentle hands again, large fan page is dismantled one by one and takes off;
3.7) complete skeleton-free fiber loop is finally formed.
6. the release method of a kind of skeleton-free fiber loop demoulding skeleton according to claim 5, is characterized in that: the thickness of described scale copper is 0.1mm.
7. the release method of a kind of skeleton-free fiber loop demoulding skeleton according to claim 5, is characterized in that: in described high/low temperature circulation, high temperature is 30 ~ 45 DEG C, and low temperature is-70 ~-40 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056346.2A CN105571616B (en) | 2016-01-27 | 2016-01-27 | A kind of release method of skeleton-free fiber loop demoulding skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056346.2A CN105571616B (en) | 2016-01-27 | 2016-01-27 | A kind of release method of skeleton-free fiber loop demoulding skeleton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571616A true CN105571616A (en) | 2016-05-11 |
| CN105571616B CN105571616B (en) | 2018-02-13 |
Family
ID=55882017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610056346.2A Active CN105571616B (en) | 2016-01-27 | 2016-01-27 | A kind of release method of skeleton-free fiber loop demoulding skeleton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105571616B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855405A (en) * | 2016-12-23 | 2017-06-16 | 湖北三江航天红峰控制有限公司 | A kind of skeleton-free fiber loop is around loop device |
| CN109631943A (en) * | 2018-12-09 | 2019-04-16 | 西安航天精密机电研究所 | A kind of fiber optic loop evaluation and test module and evaluating system |
| CN109647673A (en) * | 2018-12-29 | 2019-04-19 | 陕西宝成航空仪表有限责任公司 | Glue spraying method for optical fiber coiling ring |
| CN113124848A (en) * | 2021-03-23 | 2021-07-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100260930A1 (en) * | 2008-11-19 | 2010-10-14 | Beijing Aerospace Times Optical-Electronic Technology Co., Ltd. | Detachable framework used for winding optical fiber coil and a method of producing optical fiber coil |
| CN102435210A (en) * | 2011-09-23 | 2012-05-02 | 武汉长盈通光电技术有限公司 | Separable demoulding skeleton for manufacturing optic fiber loop of optic fiber gyroscope |
| CN102749078A (en) * | 2012-07-19 | 2012-10-24 | 浙江大学 | Winding jig and method of boneless fiber ring for fiber optic gyro |
| CN102967302A (en) * | 2012-11-16 | 2013-03-13 | 中国船舶重工集团公司第七一七研究所 | Framework for optical fiber gyroscope and manufacturing method thereof as well as method for packaging optical fiber ring |
| CN103884353A (en) * | 2014-03-18 | 2014-06-25 | 北京航天时代光电科技有限公司 | Dismountable skeleton tool, and dismounting device and method for same |
| CN205506070U (en) * | 2016-01-27 | 2016-08-24 | 西安航天精密机电研究所 | Exoskeletal optic fibre ring drawing of patterns skeleton |
-
2016
- 2016-01-27 CN CN201610056346.2A patent/CN105571616B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100260930A1 (en) * | 2008-11-19 | 2010-10-14 | Beijing Aerospace Times Optical-Electronic Technology Co., Ltd. | Detachable framework used for winding optical fiber coil and a method of producing optical fiber coil |
| CN102435210A (en) * | 2011-09-23 | 2012-05-02 | 武汉长盈通光电技术有限公司 | Separable demoulding skeleton for manufacturing optic fiber loop of optic fiber gyroscope |
| CN102749078A (en) * | 2012-07-19 | 2012-10-24 | 浙江大学 | Winding jig and method of boneless fiber ring for fiber optic gyro |
| CN102967302A (en) * | 2012-11-16 | 2013-03-13 | 中国船舶重工集团公司第七一七研究所 | Framework for optical fiber gyroscope and manufacturing method thereof as well as method for packaging optical fiber ring |
| CN103884353A (en) * | 2014-03-18 | 2014-06-25 | 北京航天时代光电科技有限公司 | Dismountable skeleton tool, and dismounting device and method for same |
| CN205506070U (en) * | 2016-01-27 | 2016-08-24 | 西安航天精密机电研究所 | Exoskeletal optic fibre ring drawing of patterns skeleton |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855405A (en) * | 2016-12-23 | 2017-06-16 | 湖北三江航天红峰控制有限公司 | A kind of skeleton-free fiber loop is around loop device |
| CN109631943A (en) * | 2018-12-09 | 2019-04-16 | 西安航天精密机电研究所 | A kind of fiber optic loop evaluation and test module and evaluating system |
| CN109631943B (en) * | 2018-12-09 | 2020-08-14 | 西安航天精密机电研究所 | Optical fiber ring evaluating module and evaluating system |
| CN109647673A (en) * | 2018-12-29 | 2019-04-19 | 陕西宝成航空仪表有限责任公司 | Glue spraying method for optical fiber coiling ring |
| CN113124848A (en) * | 2021-03-23 | 2021-07-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
| CN113124848B (en) * | 2021-03-23 | 2022-09-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105571616B (en) | 2018-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571616A (en) | Frameless optical fiber ring demoulding frame and demoulding method | |
| CN102435210B (en) | Separable demoulding skeleton for manufacturing optic fiber loop of optic fiber gyroscope | |
| CN112113555A (en) | Auxiliary fiber discharging mechanism of optical fiber encircling machine | |
| CN205506070U (en) | Exoskeletal optic fibre ring drawing of patterns skeleton | |
| CN207002801U (en) | Quenching mould and quenching apparatus | |
| CN202162344U (en) | Hub die | |
| CN211980414U (en) | Amorphous nanocrystalline iron core forming winding mould | |
| CN208906612U (en) | A kind of 3D printer supplies support | |
| CN203864035U (en) | Airplane blade forming tooling | |
| CN106428539A (en) | Unmanned aerial vehicle with quick wing disassembling function | |
| CN110926502A (en) | Height-adjustable's fiber-optic gyroscope encircles frock | |
| CN216846294U (en) | Optical fiber gyroscope winding clamp convenient to detach from ring | |
| CN105643960B (en) | Built-in type subsection blade is molded and the positioning tool and application method of the solidification demoulding | |
| CN202896870U (en) | High-strength machine body framework of aircraft | |
| CN207669677U (en) | A kind of combined type fan blade injection mold | |
| CN203461118U (en) | Aircraft body and rotor wing combination for agricultural four-shaft aircraft | |
| CN103331918B (en) | A kind of surface has the preparation method of the fiber tubing of pattern or word | |
| CN203046242U (en) | Carbon fiber ring molding tool | |
| CN203393279U (en) | Yarn slippage baffle plate and side blowing cooling device | |
| CN202564529U (en) | Resonant rod and cavity filter | |
| CN219308389U (en) | Ultrafiltration membrane demoulding device | |
| CN206276906U (en) | A kind of mould for making fast sprue-replacing | |
| CN207550479U (en) | Unmanned aerial vehicle body | |
| CN219153956U (en) | Printing roller | |
| CN202607914U (en) | Rubber roller holding device |
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 |