CN105589154B - A kind of dragging optical cable component production equipment thread-laying device and its hanging wire method - Google Patents
A kind of dragging optical cable component production equipment thread-laying device and its hanging wire method Download PDFInfo
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- CN105589154B CN105589154B CN201610132671.2A CN201610132671A CN105589154B CN 105589154 B CN105589154 B CN 105589154B CN 201610132671 A CN201610132671 A CN 201610132671A CN 105589154 B CN105589154 B CN 105589154B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
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Abstract
A kind of dragging optical cable component production equipment thread-laying device, it is characterized in that including holder (1) including dragging optical cable component production equipment thread-laying device, horizontal standard trolley (4) of each more of the two sides for placing dragging optical cable in dragging optical cable component, each more of two sides is for placing the armouring branch stern fast (40) at dragging optical cable component both ends and the vertical standard trolley (5) of optical fiber connector (20) and 4 wheels (6), holder (1) bottom uses triangular structure, enhance support stability, four feet respectively fill a wheel (6), the dragging optical cable component production equipment thread-laying device further includes tension block securing jig (2) and optical fiber connector locating plate (3).The dragging optical cable component production equipment thread-laying device and its hanging wire method of the present invention effectively solves dragging optical cable size of components control problem, while the structure design of the device can effectively meet batch production actual needs.
Description
Technical field
The present invention relates to field of cable technology, especially a kind of dragging optical cable component production equipment thread-laying device and its extension
Line method.
Background technology
With the construction of 4G LTE, the distributed base station construction scale of large capacity is also growing, for convenience of the peace of base station
Dress rationally utilizes carrier frequency resource, and fiber optic stretch technology is currently mainly used and realizes base station zoom out system computer room BBU to base station RRU
Between connection, to meet the smaller ends the RRU installation requirement of the installation requirement of dragging optical cable component, especially size, to being made
The size of branch requirement of dragging optical cable component is more stringent, and normal mounting will be led to not when size is undesirable.
A kind of relatively conventional structure is that bifurcation is fixed using embedding glue mode in dragging optical cable component at present, is based on
This structure needs when actual production first fix dragging optical cable component, while having confirmed branch length, then injects embedding in bifurcation
Glue, fully to meet batch production demand, production line need to match the thread-laying device and injecting glue for being ready for use on fixed dragging optical cable component
Machine.The matured product for having more money glue-injection machines currently on the market, can fully meet production requirement, but thread-laying device there is no at present
Ripe solution.
Invention content
The purpose of the present invention is to provide a kind of dragging optical cable component production equipment thread-laying device and its hanging wire methods, have
Effect solves dragging optical cable size of components control problem, while the structure design of the device can effectively meet the practical need of batch production
It wants.
The technical scheme is that：
A kind of dragging optical cable component production equipment thread-laying device, including dragging optical cable component production equipment thread-laying device
Including holder, each more of two sides is used to place the horizontal standard trolley of dragging optical cable in dragging optical cable component, each more of two sides is used for
Place the armouring branch stern fast at dragging optical cable component both ends and the vertical standard trolley and 4 wheels of optical fiber connector, frame bottom
Using triangular structure, enhance support stability, four feet respectively fill a wheel, the dragging optical cable component production equipment hanging wire
Device further includes tension block securing jig and optical fiber connector locating plate.
The holder material is irony, and horizontal standard trolley and vertical standard trolley are all made of welding manner and are fixed with holder.
The tension block securing jig left end is set there are one the opening penetrated through, is open as rectangle, and when installation will be on device
Vertical standard trolley be placed in opening, tension block securing jig is fixed on vertical standard trolley with two screws；Tension block is solid
Clamp has right end and is equipped with U-lag, and the opening of U-lag is 10.3mm, and limited step, step is arranged in the bottom of tension block securing jig
Thickness is 3mm, re-forms a small U-lag, the opening of small U-lag is 8.6mm.
The optical fiber connector locating plate left end is set there are one notch, and notch is rectangle, and what when installation will be on device is perpendicular
Direct screening line bar is placed in indentation, there, is fixed with two screws；The optical fiber connector locating plate right end is flat thin slice knot
Two LC optical fiber connectors are located at flake structure both sides by structure in actual use.
The PTC fever tablets of 24V are installed on the tension block securing jig.
A kind of hanging wire method using the dragging optical cable component production equipment thread-laying device, following steps：
Step 1：It is required according to product both ends branch length, adjusts dragging optical cable component production equipment thread-laying device glazing
Distance L, formula are as follows between fiber connector locating plate and tension block securing jig：
L=fiber cable branches length+tension block length+limited step thickness-optical fiber connector length；
Step 2：It is 180mm at the optical cable lopping internal diameter of good circle, it is penetrated successively on horizontal standard trolley；
Step 3：Optical fiber connector is placed on optical fiber connector locating plate, tension block is placed on tension block securing jig,
Tension block is set to be close to tension block securing jig lower end limited step；
Step 4：Branched cable is fixed on vertical standard trolley using dovetail clip；
Step 5：Open PTC heating plates switch, confrontation pulling block stationary fixture heating；
Step 6：It is required to set glue-injection machine pressure to 0.5MPa according to glue amount, injecting glue delay time is set as 1s；
Step 7：Glue is injected in tension block using glue rifle；
Step 8：Cable assembly is disassembled after glue is fully cured.
The beneficial effects of the invention are as follows：
The dragging optical cable component production equipment thread-laying device and its hanging wire method of the present invention effectively solves dragging optical cable group
Part dimensional control problems, while the structure design of the device can effectively meet batch production actual needs.
The frame bottom of the present invention uses triangular structure, enhances support stability, and four feet respectively fill a wheel, convenient
Device has enough to meet the need in production line to be moved；
The tension block securing jig left end of the present invention is an opening rectangle, by the vertical standard trolley on device when installation
It is placed in opening, tension block securing jig is fixed on vertical standard trolley with two screws.Can be realized using this method will resist
Pulling block stationary fixture on dragging optical cable component production equipment thread-laying device according to products of different specifications require it is arbitrary handling or
It is mobile, improve the using flexible of dragging optical cable component production equipment thread-laying device；Tension block securing jig position is true simultaneously
Determining rear jig can ensure that the homogeneity of product produced meets the requirements by intact fixation.
The optical fiber connector locating plate left end of the present invention is an opening rectangle, by the vertical hanging wire on device when installation
Bar is placed in opening, is fixed with two screws.It can be realized optical fiber connector locating plate in dragging optical cable using this method
Arbitrary handling or movement are required according to products of different specifications on component production equipment thread-laying device, realize the dragging optical cable component
The flexible use of production equipment thread-laying device；Optical fiber connector locating plate can after optical fiber connector locating plate location determination simultaneously
By intact fixation, ensure that the homogeneity of product produced meets the requirements.
Tension block securing jig and optical fiber connector locating plate are installed on the vertical standard trolley of holder by screw,
According to dragging optical cable size of components difference setting distance between the two, in actual production process, tension block is connected with optical fiber
Device be respectively placed in tension block securing jig and on optical fiber connector locating plate, because of the distance between optical fiber connector locating plate
It has been be fixed that, therefore can guarantee that distance is fixed between tension block and optical fiber connector.
To meet suitability of the device to different viscosities glue, the PTC hairs of 24V can be installed on tension block securing jig
Backing plays the purpose heated to glue, can properly increase glue mobility, avoid by fighting the heating of pulling block stationary fixture
Because the factors such as temperature difference, glue viscosity differences influence glue quantity and adhesive effect in tension block, while can shorten to a certain degree
The glue curing time improves production efficiency.
Description of the drawings
Fig. 1 is dragging optical cable assembly assumption diagram.
Fig. 2 is the positive structure schematic of the dragging optical cable component production equipment thread-laying device of the present invention.
Fig. 3 is the side structure schematic diagram of the dragging optical cable component production equipment thread-laying device of the present invention.
Fig. 4 is the vertical view of the tension block fixing device of the present invention.
Fig. 5 is the plan view of the tension block fixing device of the present invention.
Fig. 6 is the vertical view of the fixator for connector of the present invention.
Fig. 7 is the plan view of the fixator for connector of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
Such as Fig. 1 to Fig. 7, a kind of dragging optical cable component production equipment thread-laying device, including the production of dragging optical cable component are set
Spare thread-laying device include holder 1, each more of two sides for place the horizontal standard trolley 4 of dragging optical cable in dragging optical cable component,
The vertical standard trolley 5 of armouring branch stern fast 40 and optical fiber connector 20 of each more of the two sides for placing dragging optical cable component both ends
With 4 wheels 6,1 bottom of holder uses triangular structure, enhances support stability, and four feet respectively fill a wheel 6, this is zoomed out
Cable assembly production equipment thread-laying device further includes tension block securing jig 2 and optical fiber connector locating plate 3.
1 material of the holder is irony, and it is solid with holder 1 that horizontal standard trolley 4 and vertical standard trolley 5 are all made of welding manner
It is fixed.
2 left end of tension block securing jig is set there are one the opening 7 penetrated through, and opening 7 is rectangle, by device when installation
On vertical standard trolley 5 be placed in opening 7 at, tension block securing jig 2 is fixed on vertical standard trolley 5 with two screws；It is anti-
2 right end of pulling block stationary fixture is equipped with U-lag 8, and the opening of U-lag 8 is 10.3mm, the bottom setting limit of tension block securing jig 2
Position step, step thicknesses 3mm re-form a small U-lag 9, and the opening of small U-lag 9 is 8.6mm.
3 left end of optical fiber connector locating plate is set there are one notch 11, and notch 11 is rectangle, and when installation will be on device
Vertical standard trolley 5 be placed at notch 11, be fixed with two screws；3 right end of optical fiber connector locating plate is flat
Flake structure 12, two LC optical fiber connectors are located at 12 both sides of flake structure in actual use.
The PTC fever tablets of 24V are installed on the tension block securing jig 2.
A kind of hanging wire method using the dragging optical cable component production equipment thread-laying device, following steps：
Step 1：It is required according to product both ends branch length, adjusts dragging optical cable component production equipment thread-laying device glazing
Distance L, formula are as follows between fiber connector locating plate 3 and tension block securing jig 2：
L=fiber cable branches length+tension block length+limited step thickness-optical fiber connector length；
Step 2：It is 180mm at the optical cable lopping internal diameter of good circle, it is penetrated successively on horizontal standard trolley 4；
Step 3：Optical fiber connector 20 is placed on optical fiber connector locating plate 3, tension block 50 is placed in tension block geometrical clamp
On tool 2, tension block 50 is made to be close to 2 lower end limited step of tension block securing jig；
Step 4：Branched cable is fixed on vertical standard trolley 5 using dovetail clip；
Step 5：PTC heating plates switch is opened, confrontation pulling block stationary fixture 2 heats；
Step 6：It is required to set glue-injection machine pressure to 0.5MPa according to glue amount, injecting glue delay time is set as 1s；
Step 7：Glue is injected in tension block using glue rifle；
Step 8：Cable assembly is disassembled after glue is fully cured.
The object of the present invention is to provide a kind of dragging optical cable component production equipment thread-laying devices, including 1 and of main framework
Optical fiber connector locating plate 2,3 tension block of tension block securing jig are a kind of component parts of dragging optical cable component, are placed in component
Bifurcation, inside need filling embedding glue, play a protective role to bifurcation, and installed on tension block securing jig 3
Heating plate etc. effectively solves dragging optical cable size of components control problem, while the structure design of the device can effectively meet batch
Produce reality needs.
Effectively to illustrate dragging optical cable component production equipment thread-laying device, now dragging optical cable modular construction is made briefly
It is bright.Dragging optical cable component is mainly made of dragging optical cable, optical fiber connector and tension block, and needs are used to meet actual production,
Interior cables cell branch is come out in correspondent section strong point, branch length actually uses demand according to client and arbitrarily customizes, and has
Representative twin-core type product structure figure such as Fig. 1：
Dragging optical cable component includes
The ends A protection tube 10, optical fiber connector 20, tightly binding device 30, armouring branch stern fast 40, tension block 50, two core families
Outer optical cable 60 and the ends B protection tube 70, two cores outdoor optical cable, 60 both ends are respectively side a and b, two 60 liang of core outdoor optical cables
End connects the ends A protection tube 10 and the ends B protection tube 70, two core outdoor optical cables, 60 both ends point by a tightly binding device 30 respectively
The armouring branch stern fast 40 of the armouring branch stern fast 40 and the ends B at the ends A, the armouring branch at the ends A are not connected by a tension block 50
There are one optical fiber connectors 20 respectively for 40 end of armouring branch stern fast at stern fast 40 and the ends B.
Dragging optical cable component production equipment thread-laying device structure explanation：
1, dragging optical cable component production equipment thread-laying device includes holder 1, each 12 of two sides for placing dragging optical cable
The armouring branch stern fast of the horizontal standard trolley 4 of dragging optical cable, each 30 of two sides for placing dragging optical cable component both ends in component
40 and optical fiber connector 20 vertical standard trolley 5 and 4 wheels 6.
2,1 material of holder is irony, and horizontal standard trolley 4 and vertical standard trolley 5 are all made of welding manner and are fixed with holder 1,
Surface lacquer；
3,1 bottom of holder uses triangular structure, enhances support stability, and four feet respectively fill a wheel 6, facilitate device
It has enough to meet the need and moves in production line；
4, the dragging optical cable component production equipment thread-laying device further includes that tension block securing jig 2 and optical fiber connector are fixed
Bit slice 3；
4.1 tension block securing jig structures and its fixed form
As shown in Figure 4, Figure 5,2 left end of tension block securing jig is an opening rectangle, will be on device when installation it is perpendicular
Direct screening line bar 5 is placed in opening, and tension block securing jig 2 is fixed on vertical standard trolley 5 with two screws.Using this method
It can be achieved in dragging optical cable component production equipment to require tension block securing jig 2 according to products of different specifications on thread-laying device
Arbitrary handling are mobile, improve the using flexible of dragging optical cable component production equipment thread-laying device；Tension block is fixed simultaneously
2 location determination rear jig of fixture can ensure that the homogeneity of product produced meets the requirements by intact fixation.
According to the structure design of dragging optical cable component, tension block 5 is that an outer diameter is 10mm, and length is the cylinder of 24mm
Body, bottom wall thickness are 1.4mm.Needs are fixed to meet tension block, 2 right end of tension block securing jig is designed using U-lag, U-shaped
Opening is 10.3mm, and limited step is arranged in bottom, and step thicknesses 3mm re-forms a small U-lag, U-shaped opening 8.6mm,
Tension block 5 is stood on vertically above small U-lag in actual use, step is close in bottom.
4.2 optical fiber connector locating sheet structures and its fixed form
As shown in Figure 6, Figure 7,3 left end of optical fiber connector locating plate is an opening rectangle, and when installation will be on device
Vertical standard trolley 5 is placed in opening, is fixed with two screws.It can be realized optical fiber connector locating plate 3 using this method
Arbitrary handling or movement are required according to products of different specifications on dragging optical cable component production equipment thread-laying device, realize the drawing
The flexible use of distance light cable assembly production equipment thread-laying device；Optical fiber connects after 3 location determination of optical fiber connector locating plate simultaneously
Connecing device locating plate 3 can ensure that the homogeneity of product produced meets the requirements by intact fixation.
Dragging optical cable component both ends are the optical fiber connector 2 of duplex LC types, i.e., are closed two LC connectors by dual card
And it is integrated.Based on such structure, 3 left end of optical fiber connector locating plate is designed as an opening rectangle, can be used for being consolidated
Due on vertical standard trolley 5, right end is designed as flat flake structure, and two LC optical fiber connectors are distinguished position in actual use
In thin slice both sides.
Tension block securing jig 2 and optical fiber connector locating plate 3 are the vertical standard trolleies that holder 1 is installed on by screw
On 5, according to dragging optical cable size of components difference setting distance between the two, in actual production process, by tension block 50 and light
Fiber connector 20 be respectively placed in tension block securing jig 2 and on optical fiber connector locating plate 3, because and optical fiber connector positioning
Distance has been fixed between piece 3, therefore can guarantee that distance is fixed between tension block 50 and optical fiber connector 20.
5, to meet suitability of the device to different viscosities glue, it can install 24V's on tension block securing jig 2
PTC fever tablets are heated by fighting pulling block stationary fixture 2, play the purpose heated to glue, can properly increase glue flowing
Property, it avoids influencing glue quantity and adhesive effect in tension block because of factors such as temperature difference, glue viscosity differences, while can certain journey
Degree shortens the glue curing time, improves production efficiency.
6, device actual production operation instruction
By both ends branch length be respectively 93mm and 500mm twin-core type dragging optical cable component hanging wire injecting glue for the dress
The actual use method set is illustrated：
1) it is required according to product both ends branch length, adjusts optical fiber on dragging optical cable component production equipment thread-laying device and connect
It is as follows to connect distance L, formula between device locating plate 3 and tension block securing jig 2：
L (locating plate top to tension block securing jig bottom end)=fiber cable branch length+tension block length+limited step is thick
Degree-optical fiber connector length
Remarks：It is 24mm by tension block length known to clause 4.1, limited step thickness is 3mm, while standard twin-core LC types
Optical fiber connector length is 20mm.
Thus show that the length of both ends L is respectively 100mm and 507mm.
2) it is 180mm at the optical cable lopping internal diameter of good circle, it is penetrated successively on horizontal standard trolley 4；
3) optical fiber connector 20 is placed on optical fiber connector locating plate 3, tension block 50 is placed in tension block securing jig 2
On, so that tension block 50 is close to 2 lower end limited step of tension block securing jig；
4) branched cable is fixed on vertical standard trolley 5 using dovetail clip；
5) PTC heating plates switch is opened, confrontation pulling block stationary fixture 2 heats；
6) it is required to set glue-injection machine pressure to 0.5MPa according to glue amount, injecting glue delay time is set as 1s；
7) glue rifle is used to inject glue in tension block；
8) cable assembly is disassembled after glue is fully cured.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and range is defined, under the premise of not departing from design concept of the present invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, the claimed skill of the present invention
Art content has all been recorded in detail in the claims.
Claims (4)
1. a kind of dragging optical cable component production equipment thread-laying device, it is characterized in that dragging optical cable component production equipment is filled with hanging wire
It sets each for placing the horizontal standard trolley (4) of dragging optical cable in dragging optical cable component, two sides including holder (1), each more of two sides
The vertical standard trolley (5) of more armouring branch stern fasts (40) and optical fiber connector (20) for placing dragging optical cable component both ends
With 4 wheels (6), holder (1) bottom uses triangular structure, enhances support stability, and four feet respectively fill a wheel (6),
The dragging optical cable component production equipment thread-laying device further includes tension block securing jig (2) and optical fiber connector locating plate (3)；
Tension block securing jig (2) left end is set there are one the opening (7) penetrated through, and opening (7) is rectangle；It will be on device when installation
Vertical standard trolley (5) be placed at opening (7), tension block securing jig (2) is fixed on vertical standard trolley (5) with two screws
On；Tension block securing jig (2) right end is equipped with U-lag (8), and the opening of U-lag (8) is 10.3mm, tension block securing jig (2)
Bottom limited step is set, step thicknesses 3mm re-forms one small U-lag (9), and the opening of small U-lag (9) is
8.6mm；Optical fiber connector locating plate (3) left end is set there are one notch (11), and notch (11) is rectangle, and when installation will dress
The vertical standard trolley (5) set is placed at notch (11), is fixed with two screws；The optical fiber connector locating plate (3)
Right end is flat flake structure (12), and two LC optical fiber connectors are located at flake structure (12) two in actual use
Side.
2. a kind of dragging optical cable component production equipment thread-laying device according to claim 1, it is characterised in that the branch
Frame (1) material is irony, and it is fixed with holder (1) that horizontal standard trolley (4) and vertical standard trolley (5) are all made of welding manner.
3. a kind of dragging optical cable component production equipment thread-laying device according to claim 1, it is characterised in that described anti-
The PTC fever tablets of 24V are installed on pulling block stationary fixture (2).
4. it is a kind of using as claims 1 to 3 arbitrarily one of as described in dragging optical cable component production equipment thread-laying device extension
Line method, it is characterized in that including the following steps：
Step 1：It is required according to product both ends branch length, adjusts optical fiber on dragging optical cable component production equipment thread-laying device and connect
Distance L between device locating plate (3) and tension block securing jig (2) is met, formula is as follows：
L=fiber cable branches length+tension block length+limited step thickness-optical fiber connector length；
Step 2：It is 180mm at the optical cable lopping internal diameter of good circle, it is penetrated successively on horizontal standard trolley (4)；
Step 3：Optical fiber connector (20) is placed on optical fiber connector locating plate (3), tension block (50) is placed in tension block and fixes
On fixture (2), tension block (50) is made to be close to tension block securing jig (2) lower end limited step；
Step 4：Branched cable is fixed on vertical standard trolley (5) using dovetail clip；
Step 5：PTC heating plates switch is opened, confrontation pulling block stationary fixture (2) heats；
Step 6：It is required to set glue-injection machine pressure to 0.5MPa according to glue amount, injecting glue delay time is set as 1s；
Step 7：Glue is injected in tension block using glue rifle；
Step 8：Cable assembly is disassembled after glue is fully cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132671.2A CN105589154B (en) | 2016-03-09 | 2016-03-09 | A kind of dragging optical cable component production equipment thread-laying device and its hanging wire method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132671.2A CN105589154B (en) | 2016-03-09 | 2016-03-09 | A kind of dragging optical cable component production equipment thread-laying device and its hanging wire method |
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| Publication Number | Publication Date |
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| CN105589154A CN105589154A (en) | 2016-05-18 |
| CN105589154B true CN105589154B (en) | 2018-10-19 |
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| US6422581B1 (en) * | 2001-02-12 | 2002-07-23 | Computer System Products, Inc. | Transporting an electronic bay with pigtail cables from a fabrication site to an installation site |
| CN201797607U (en) * | 2010-08-30 | 2011-04-13 | 中国移动通信集团设计院有限公司 | Mounting frame of RRU (remote radio unit) |
| CN204761887U (en) * | 2015-07-02 | 2015-11-11 | 中国铁塔股份有限公司浙江省分公司 | Outdoor remote radio head unit installation device |
| CN205450386U (en) * | 2016-03-09 | 2016-08-10 | 江苏俊知传感技术有限公司 | Cable assembly hanging wire device for production facility zooms out |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044736B (en) * | 2009-10-14 | 2015-05-20 | 中兴通讯股份有限公司 | Radio remote unit |
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2016
- 2016-03-09 CN CN201610132671.2A patent/CN105589154B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422581B1 (en) * | 2001-02-12 | 2002-07-23 | Computer System Products, Inc. | Transporting an electronic bay with pigtail cables from a fabrication site to an installation site |
| CN201797607U (en) * | 2010-08-30 | 2011-04-13 | 中国移动通信集团设计院有限公司 | Mounting frame of RRU (remote radio unit) |
| CN204761887U (en) * | 2015-07-02 | 2015-11-11 | 中国铁塔股份有限公司浙江省分公司 | Outdoor remote radio head unit installation device |
| CN205450386U (en) * | 2016-03-09 | 2016-08-10 | 江苏俊知传感技术有限公司 | Cable assembly hanging wire device for production facility zooms out |
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| CN105589154A (en) | 2016-05-18 |
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Effective date of registration: 20200108 Address after: 214205 Jiangsu Province, Wuxi city Yixing environmental science and Technology Industrial Park Jun Zhilu No. 18 Co-patentee after: Jiangsu Trigiant Optoelectronic Technology Co., Ltd. Patentee after: Jiangsu Trigiant Sensing Technology Co., Ltd. Co-patentee after: Jiangsu Trigiant Technology Co., Ltd. Address before: 214205 Jiangsu Province, Wuxi city Yixing environmental science and Technology Industrial Park Jun Zhilu No. 18 Co-patentee before: Jiangsu Trigiant Optoelectronic Technology Co., Ltd. Patentee before: Jiangsu Trigiant Sensing Technology Co., Ltd. |
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