CN107777448A - A kind of vertical type adjustable cable pay-off rack - Google Patents
A kind of vertical type adjustable cable pay-off rack Download PDFInfo
- Publication number
- CN107777448A CN107777448A CN201711031942.6A CN201711031942A CN107777448A CN 107777448 A CN107777448 A CN 107777448A CN 201711031942 A CN201711031942 A CN 201711031942A CN 107777448 A CN107777448 A CN 107777448A
- Authority
- CN
- China
- Prior art keywords
- plate
- location
- unwrapping wire
- roller
- wire component
- 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
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 239000010960 cold rolled steel Substances 0.000 abstract description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 8
- 230000009466 transformation Effects 0.000 description 3
- 230000006855 networking Effects 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
- B65H49/324—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/36—Securing packages to supporting devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention belongs to cable installation fitting applied technical field, specifically disclose a kind of vertical type adjustable cable pay-off rack, by base, and it is arranged on the roller location-plate, roller locating shaft and movable pulley of base bottom corner, and left unwrapping wire component, right unwrapping wire component on base are arranged on, and the cable unwrapping wire bar being used in combination with left unwrapping wire component, right unwrapping wire component forms.A kind of beneficial effect of vertical type adjustable cable pay-off rack of the present invention is：For example left unwrapping wire component of overall structure, right unwrapping wire component etc. are cold-rolled steel sheet or stainless steel alloy structure, service life is long, without normal service work efficiency high, simultaneously internal structure design rationally, can be according to needing to carry out rise operation using two cylinders, improve the efficiency of assembling of cable and integrally-built practicality, time saving, laborsaving and overall structure is stable, applied widely.
Description
Technical field
The invention belongs to cable installation fitting applied technical field, and in particular to a kind of vertical type adjustable cable pay-off rack,
The safety of dilatory operation, reduces the friction to cable, while can timely carry out quick receiving/releasing when protecting cable construction
Operation, and improve the security that uses and cable up/down install convenient, can be according to needing to carry out height adjustment.
Background technology
In recent years, constantly accelerate along with China Power developing steps, China Power Grids are also developed rapidly, network system
Working voltage grade improves constantly, and network size also constantly expands, and the whole nation has formd Northeast China Power Grid, North China Power Telecommunication Network, Central China
Power network, East China Power Grid, the large area power network of Northwest Grid and south electric network 6 transprovincially, and basically formed complete length away from
From power transmission electric network rack.China Power Grids construction in 2006 keeps higher scale, and investment 2,155.75 hundred million is completed in nationwide integrated power grid construction
Yuan, increase by nearly 38% on a year-on-year basis.Gone into operation with a collection of the West-to-East Electricity Transmission Project within 2006, China's three big passages of transferring electricity from the west to the east tire out
Meter has formed 3,4000000 kilowatts of conveying capacity.2007,2451.40 hundred million yuan of nationwide integrated power grid construction investment, increase on year-on-year basis
16.41%.Increase 220 kilovolts and 4.15 ten thousand kilometers of above transmission line of electricity loop length newly.By the end of the year 2007,220 kilovolts of the whole nation and
Above transmission line of electricity loop length reaches 32.71 ten thousand kilometers, increases by 14.20% on a year-on-year basis.To the end of the year 2008, electric power installed capacity reaches
To 7.9253 hundred million kilowatts, generated energy reaches 3,433,400,000,000 kilowatt hours.Power transformation capacity reaches 2,200,000,000 kilovolt-amperes, be 2002 4.2
Times, increase by 17.26% every year.
In Eleventh Five-Year Plan period, be that China Power Grids construction is carried forward the cause of the older generation and break new ground important 5 years, large quantities of great power transmission engineerings, which go into operation, to be built
If wherein Hainan networking, exhale distant direct current, Xinjiang and northwest networking and extra-high voltage AC and DC etc. it is a collection of it is high-grade, over long distances,
The power transmission engineering of Large Copacity, which is completed, goes into operation, and opens the Chinese bulk power grid epoch, promotes the increasing of transregional exchange of electric power ability
By force.For the transregional exchange of electric power ability in the end of the year 2009 whole nation more than 25,000,000 kilowatts, annual transregional transaction electricity reaches 121,300,000,000 kilowatts
When, increased by 51.1% than 2005.China Power Grids scale exceedes the U.S., leaps to the first in the world, to the end of the year 2015, the whole nation 220,000
Volt and above transmission line of electricity total length reach 430,000 kilometers, 19.6 hundred million kilovolt-amperes of power transformation capacity, are the 1.7 of " 15 " end respectively
Times and 2.4 times, power network scale leaps to the first in the world.The first three quarters in 2011, nationwide integrated power grid engineering complete 220,100,000,000 yuan of investment, electricity
Net, which is built, increases 220 kilovolts and 128,170,000 kilovolt-amperes of above power transformation capacity, the km of line length 22507 newly.In Jan-Sept, 2011, entirely
The transregional power transmission amount of state completes 128,600,000,000 kilowatt hours, increases by 22.6% on a year-on-year basis；The whole nation transprovincially exports the kilowatt hour of electricity 479,100,000,000, on year-on-year basis
Increase by 8.3%.
In summary, power network line development in China's is very fast, it is necessary to provide a kind of structure in transmission line construction engineering
The receiving/releasing operation of relief cable line, inconvenience unwrapping wire and unwrapping wire scene is chaotic and what is knotted shows when solving existing construction operation
As.But the pay off rack of cable construction operation is currently used for, its complicated and cable up/down material installation effectiveness is low, installation
When also can not according to need carry out height adjustment（It is more if desired for the cable of unwrapping wire, and the space of bottom plate is smaller to carry out
During feeding etc.）, it can not meet the high standard requirement of existing cable construction, and this is current urgently to be resolved hurrily.
Therefore, a kind of vertical type adjustable cable pay-off rack is provided based on above mentioned problem, the present invention.
The content of the invention
Goal of the invention：It is an object of the invention to provide a kind of vertical type adjustable cable pay-off rack, for example left unwrapping wire group of overall structure
Part, right unwrapping wire component etc. are cold-rolled steel sheet or stainless steel alloy structure, and service life is long, without normal service work efficiency high,
Simultaneously internal structure design rationally, the assembling effect of cable according to needing to carry out rise operation using two cylinders, can be improved
Rate and integrally-built practicality, time saving, laborsaving and overall structure is stable, applied widely.
Technical scheme：The present invention provides a kind of vertical type adjustable cable pay-off rack, by base, and is arranged on base bottom corner
Roller location-plate, roller locating shaft and movable pulley, and left unwrapping wire component, the right unwrapping wire component being arranged on base, and with a left side
The cable unwrapping wire bar composition that unwrapping wire component, right unwrapping wire component are used in combination；The left unwrapping wire component, including it is arranged on base
On first positioning support column, the first cylinder supports plate, and be arranged on the first positioning support column first positioning support set, and
The first spacing girth sheets being arranged in the first positioning support set, and the first support being used in combination with the first positioning support set
Post, and the first location-plate being arranged on the first support column, and the first roller location-plate being arranged on the first location-plate, and set
Put one group of first roller on the first roller location-plate, and for install the first roller location-plate, one group of the first roller the
One alignment pin, and the first connection clamp of the first location-plate side is arranged on, and for connecting the first location-plate, the first connection
First positioning screw of clamp, and be arranged on cylinder supports plate and be connected the first cylinder that clamp is used in combination with first；
The right unwrapping wire component, including the second positioning support column, the second cylinder supports plate being arranged on base, and be arranged on second and determine
The second positioning support set on the support column of position, and the second spacing girth sheets being arranged in the second positioning support set, and determine with second
The second support column that position support set is used in combination, and the second location-plate being arranged on the second support column, and it is arranged on second
The second roller location-plate on location-plate, and one group of second roller being arranged on the second roller location-plate, and for installing the
One group of second alignment pin of second wheel location-plate, the second roller, and the second connection clamp of the second location-plate side is arranged on,
And for connect the second location-plate, second connection clamp the second positioning screw, and be arranged on the second cylinder supports plate and with
The second cylinder that second connection clamp is used in combination.
The technical program, the vertical type adjustable cable pay-off rack, in addition to it is separately positioned on the first positioning support set,
In two positioning support sets and both ends connect the first support column, the first spring of the second support column, second spring respectively.
The technical program, the vertical type adjustable cable pay-off rack, in addition to it is separately positioned on the first cylinder, the second cylinder
The first semicircle Auxiliary support set, the second semicircle Auxiliary support set of end.
The technical program, the vertical type adjustable cable pay-off rack, in addition to it is separately positioned on the first connection clamp, second
The first spill stopper slot, the second spill stopper slot being used in combination on connection clamp and with the first cylinder, the second cylinder.
Compared with prior art, a kind of beneficial effect of vertical type adjustable cable pay-off rack of the invention is：Overall structure
Such as left unwrapping wire component, right unwrapping wire component are cold-rolled steel sheet or stainless steel alloy structure, and service life is long, without normal check man
Make efficiency high, at the same internal structure design rationally, cable can be improved according to needing to carry out rise operation using two cylinders
Efficiency of assembling and integrally-built practicality, time saving, laborsaving and overall structure is stable, applied widely.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vertical type adjustable cable pay-off rack of the present invention；
Fig. 2 is that a kind of left view of the back-up roller wheel of vertical type adjustable cable pay-off rack of the present invention or the right side regard part-structure schematic diagram；
Wherein, sequence number mark is as follows in figure：1- bases, 2- rollers location-plate, 3- movable pulleys, 4- rollers locating shaft, 5- first are fixed
Position support column, the first cylinder supports of 6- plate, 7- first position support set, the first spacing girth sheets of 8-, the support columns of 9- first, 10- the
One spring, the location-plates of 11- first, the first rollers of 12- location-plate, the rollers of 13- first, the alignment pins of 14- first, 15- first connect
Connect clamp, the positioning screws of 16- first, the cylinders of 17- first, the semicircle Auxiliary support sets of 18- first, the first spills of 19- stopper slot,
20- second positions support column, the second cylinder supports of 21- plate, 22- second and positions support set, the second spacing girth sheets of 23-, 24- second
Support column, 25- second springs, the location-plates of 26- second, the second rollers of 27- location-plate, the rollers of 28- second, the alignment pins of 29- second
Axle, the connections of 30- second clamp, the positioning screws of 31- second, the cylinders of 32- second, the semicircle Auxiliary support sets of 33- second, 34-
Two spill stopper slots, 35- cable unwrapping wire bars.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated.
Embodiment
A kind of vertical type adjustable cable pay-off rack as depicted in figs. 1 and 2, by base 1, and it is arranged on the bottom four corners of base 1
Roller location-plate 2, roller locating shaft 4 and movable pulley 3, and left unwrapping wire component, the right unwrapping wire component being arranged on base 1, and
The cable unwrapping wire bar 35 being used in combination with left unwrapping wire component, right unwrapping wire component forms；Left unwrapping wire component, including it is arranged on bottom
The first positioning support column 5, the first cylinder supports plate 6 on seat 1, and the first positioning branch being arranged on the first positioning support column 5
Support set 7, and the first spacing girth sheets 8 being arranged in the first positioning support set 7, and be used in combination with the first positioning support set 7
The first support column 9, and the first location-plate 11 being arranged on the first support column 9, and be arranged on the first location-plate 11
One roller location-plate 12, and one group of first roller 13 being arranged on the first roller location-plate 12, and for installing the first roller
One group of first alignment pin 14 of location-plate 12, the first roller 13, and it is arranged on the first connection card of the side of the first location-plate 11
Plate 15, and for connecting the first positioning screw 16 of the first location-plate 11, first connection clamp 15, and it is arranged on cylinder supports plate
The first cylinder 17 that clamp 15 is used in combination is connected on 6 and with first；Right unwrapping wire component, including be arranged on base 1
Two positioning support columns 20, the second cylinder supports plate 21, and the second positioning support set 22 being arranged on the second positioning support column 20,
And the second spacing girth sheets 23 being arranged in the second positioning support set 22, and the be used in combination with the second positioning support set 22
Two support columns 24, and the second location-plate 26 being arranged on the second support column 24, and second be arranged on the second location-plate 26
Roller location-plate 27, and one group of second roller 28 being arranged on the second roller location-plate 27, and determine for installing the second roller
Position plate 27, one group of second alignment pin 29 of the second roller 28, and it is arranged on the second connection clamp of the side of the second location-plate 26
30, and for connecting the second positioning screw 31 of the second location-plate 26, second connection clamp 30, and it is arranged on the second cylinder supports
The second cylinder 32 that clamp 30 is used in combination is connected on plate 21 and with second.
It is further preferred that vertical type adjustable cable pay-off rack, in addition to it is separately positioned on the first positioning support set 7, second
In positioning support set 22 and both ends connect the first support column 9, the first spring 10 of the second support column 24, second spring 25 respectively,
First spring 10, second spring 25 form downward pulling force to the first support column 9, the second support column 24 respectively, and line laying work is complete
First support column 9, the second support column 24 are timely resetted and ensure the first support column 9, the second support column 24 into rear
Safety.And vertical type adjustable cable pay-off rack, in addition to it is separately positioned on the first cylinder 17, the first the half of the end of the second cylinder 32
Circular Auxiliary support set 18, the second semicircle Auxiliary support set 33；And vertical type adjustable cable pay-off rack, in addition to be separately positioned on
First connection clamp 15, second connects the first spill being used in combination on clamp 30 and with the first cylinder 17, the second cylinder 32
Stopper slot 19, the second spill stopper slot 34, when carrying out rise operation, the first semicircle Auxiliary support set 18, second is semicircle auxiliary
The spacing operation for helping support set 33 to be engaged with the first spill stopper slot 19, the second spill stopper slot 34 respectively, ensure to rise
Without the phenomenon rocked when playing operation, ensure that the first cylinder 17, the second cylinder 32 are carried out to the first location-plate 11, the second location-plate 26
Precisely, stable jack-up, the safety of line laying work is ensured.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as the present invention's
Protection domain.
Claims (4)
- A kind of 1. vertical type adjustable cable pay-off rack, it is characterised in that：By base（1）, and it is arranged on base（1）The rolling of bottom four corners Take turns location-plate（2）, roller locating shaft（4）And movable pulley（3）, and it is arranged on base（1）On left unwrapping wire component, right unwrapping wire group Part, and the cable unwrapping wire bar being used in combination with left unwrapping wire component, right unwrapping wire component（35）Composition；The left unwrapping wire component, Including being arranged on base（1）On first positioning support column（5）, the first cylinder supports plate（6）, and it is arranged on the first positioning support Post（5）On first positioning support set（7）, and it is arranged on the first positioning support set（7）The first interior spacing girth sheets（8）, and with First positioning support set（7）The first support column being used in combination（9）, and it is arranged on the first support column（9）On first positioning Plate（11）, and it is arranged on the first location-plate（11）On the first roller location-plate（12）, and it is arranged on the first roller location-plate （12）On one group of first roller（13）, and for installing the first roller location-plate（12）, the first roller（13）One group first Alignment pin（14）, and it is arranged on the first location-plate（11）First connection clamp of side（15）, and for connecting the first positioning Plate（11）, first connection clamp（15）The first positioning screw（16）, and it is arranged on cylinder supports plate（6）Above and with first it is connected Clamp（15）The first cylinder being used in combination（17）；The right unwrapping wire component, including it is arranged on base（1）On second positioning Support column（20）, the second cylinder supports plate（21）, and it is arranged on the second positioning support column（20）On second positioning support set （22）, and it is arranged on the second positioning support set（22）The second interior spacing girth sheets（23）, and with second positioning support set（22）Phase The second support column being used cooperatively（24）, and it is arranged on the second support column（24）On the second location-plate（26）, and it is arranged on Two location-plates（26）On the second roller location-plate（27）, and it is arranged on the second roller location-plate（27）On one group of second roller （28）, and for installing the second roller location-plate（27）, the second roller（28）One group of second alignment pin（29）, and be arranged on Second location-plate（26）Second connection clamp of side（30）, and for connecting the second location-plate（26）, second connection clamp （30）The second positioning screw（31）, and it is arranged on the second cylinder supports plate（21）Above and with second it is connected clamp（30）It is engaged The second cylinder used（32）.
- A kind of 2. vertical type adjustable cable pay-off rack according to claim 1, it is characterised in that：The vertical adjustable cable is put Coil holder, in addition to it is separately positioned on the first positioning support set（7）, second positioning support set（22）Interior and both ends connect first respectively Support column（9）, the second support column（24）The first spring（10）, second spring（25）.
- A kind of 3. vertical type adjustable cable pay-off rack according to claim 1 or 2, it is characterised in that：The vertical adjustable electric Cable pay off rack, in addition to it is separately positioned on the first cylinder（17）, the second cylinder（32）First semicircle Auxiliary support set of end （18）, the second semicircle Auxiliary support set（33）.
- A kind of 4. vertical type adjustable cable pay-off rack according to claim 1 or 2, it is characterised in that：The vertical adjustable electric Cable pay off rack, in addition to it is separately positioned on the first connection clamp（15）, second connection clamp（30）It is upper and with the first cylinder（17）、 Second cylinder（32）The first spill stopper slot being used in combination（19）, the second spill stopper slot（34）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031942.6A CN107777448B (en) | 2017-10-30 | 2017-10-30 | A kind of vertical type adjustable cable pay-off rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031942.6A CN107777448B (en) | 2017-10-30 | 2017-10-30 | A kind of vertical type adjustable cable pay-off rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107777448A true CN107777448A (en) | 2018-03-09 |
| CN107777448B CN107777448B (en) | 2019-09-03 |
Family
ID=61432134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711031942.6A Active CN107777448B (en) | 2017-10-30 | 2017-10-30 | A kind of vertical type adjustable cable pay-off rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107777448B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599020A (en) * | 2018-06-02 | 2018-09-28 | 马婧 | A kind of buried cable well unwrapping wire power construction equipment |
| CN108726253A (en) * | 2018-06-02 | 2018-11-02 | 马婧 | A kind of automatic payingoff construction vehicle of power cable well |
| CN112909838A (en) * | 2021-01-22 | 2021-06-04 | 张四民 | Higher cable rack is used in electromechanical installation of practicality |
| CN114940419A (en) * | 2022-05-13 | 2022-08-26 | 杭州电子科技大学信息工程学院 | Cable pay-off seat for communication construction |
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| CN201686339U (en) * | 2010-04-30 | 2010-12-29 | 白城天奇装备机械有限公司 | Pay-off frame |
| CN203754111U (en) * | 2014-03-26 | 2014-08-06 | 中国化学工程第三建设有限公司 | Cable pay-off support bracket |
| CN203845570U (en) * | 2014-06-07 | 2014-09-24 | 国家电网公司 | Cable shaft paying-off support |
| CN204835375U (en) * | 2015-08-12 | 2015-12-02 | 国网山东夏津县供电公司 | Column cable wire rack |
| CN205304109U (en) * | 2016-01-18 | 2016-06-08 | 国家电网公司 | Cable -placing device |
| CN206203562U (en) * | 2016-11-10 | 2017-05-31 | 无锡威格斯电气有限公司 | Adjustment height actinobacillus wheel apparatus for placing |
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| CN201686339U (en) * | 2010-04-30 | 2010-12-29 | 白城天奇装备机械有限公司 | Pay-off frame |
| CN203754111U (en) * | 2014-03-26 | 2014-08-06 | 中国化学工程第三建设有限公司 | Cable pay-off support bracket |
| CN203845570U (en) * | 2014-06-07 | 2014-09-24 | 国家电网公司 | Cable shaft paying-off support |
| CN204835375U (en) * | 2015-08-12 | 2015-12-02 | 国网山东夏津县供电公司 | Column cable wire rack |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599020A (en) * | 2018-06-02 | 2018-09-28 | 马婧 | A kind of buried cable well unwrapping wire power construction equipment |
| CN108726253A (en) * | 2018-06-02 | 2018-11-02 | 马婧 | A kind of automatic payingoff construction vehicle of power cable well |
| CN112909838A (en) * | 2021-01-22 | 2021-06-04 | 张四民 | Higher cable rack is used in electromechanical installation of practicality |
| CN112909838B (en) * | 2021-01-22 | 2022-09-16 | 张四民 | Cable rack for electromechanical installation |
| CN114940419A (en) * | 2022-05-13 | 2022-08-26 | 杭州电子科技大学信息工程学院 | Cable pay-off seat for communication construction |
| CN114940419B (en) * | 2022-05-13 | 2023-09-22 | 杭州电子科技大学信息工程学院 | Cable pay-off seat for communication construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107777448B (en) | 2019-09-03 |
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