CN209009876U - A wire pay-off device for overhead wire construction - Google Patents
A wire pay-off device for overhead wire construction Download PDFInfo
- Publication number
- CN209009876U CN209009876U CN201821912021.0U CN201821912021U CN209009876U CN 209009876 U CN209009876 U CN 209009876U CN 201821912021 U CN201821912021 U CN 201821912021U CN 209009876 U CN209009876 U CN 209009876U
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- support
- wire
- vehicle frame
- screw rod
- left support
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Abstract
本实用新型公开了一种用于架空线施工的放线器，包括车架及设置在车架上的收放线机构，车架包括左支架、右支架及连接在左支架和右支架之间的横梁，左支架包括底梁、立柱及倾斜梁，横梁的端部分别与左支架和右支架的立柱固定连接，在左支架和右支架的底梁上还分别安装有移动车架的车轮，收放线机构包括分别安装在左支架和右支架的倾斜梁上的滑动组件及驱动滑动组件在倾斜梁上滑动移动的驱动机构，滑动组件用于驱动绕线盘升降运动。本实用新型的车架的左支架、右支架的倾斜梁上设置了举升绕线盘倾斜式升降运动的滑动组件和液压缸，绕线盘的重力大部分作用在左支架和右支架上，减轻了液压缸的工作负荷，降低了设备的生产成本，提高设备的使用寿命。
The utility model discloses a wire pay-off device for overhead wire construction, which comprises a vehicle frame and a wire take-up and pay-off mechanism arranged on the vehicle frame. The vehicle frame comprises a left bracket, a right bracket and is connected between the left bracket and the right bracket The left bracket includes a bottom beam, a column and an inclined beam. The ends of the beam are fixedly connected to the columns of the left bracket and the right bracket, respectively. The wheels of the mobile frame are also installed on the bottom beams of the left bracket and the right bracket. The take-up and pay-out mechanism includes sliding assemblies respectively installed on the inclined beams of the left and right supports and a driving mechanism for driving the sliding assemblies to slide and move on the inclined beams. The inclined beams of the left bracket and the right bracket of the vehicle frame of the utility model are provided with a sliding component and a hydraulic cylinder that lift the winding reel incline-type lifting movement, and most of the gravity of the winding reel acts on the left bracket and the right bracket, The working load of the hydraulic cylinder is reduced, the production cost of the equipment is reduced, and the service life of the equipment is improved.
Description
Technical field
The utility model relates to electric construction tool technical fields, and in particular to a kind of unwrapping wire for erection of elevated power lines
Device.
Background technique
Power department needs in power overhead network construction using a large amount of cable, it is often necessary to unwrapping wire and take-up operation.
Relatively thick or when cable is especially long in some cables, unwrapping wire and take-up work are very cumbersome, arduous.Have to use in the past and manually put
The mode of line puts an electric wire and generally requires two people progress, people's unwrapping wire, and another people draws electric wire and advances.Artificial unwrapping wire increases
Labor intensity, reduces working efficiency, so that track remodelling and human cost greatly increase；On the other hand, artificial unwrapping wire holds
Easily cause conducting wire it is at random, bending, cause conducting wire to be easy to damage, destroy electric wire intensity, shorten its service life, influence to construct
Progress.
It is existing can towed twisted and released of the cable line vehicle, this kind can towed twisted and released of the cable line vehicle structurally, compare
Complexity, the twisted and released of the cable line vehicle of this structure whole structure triangular in shape as viewed from overlook direction, entire twisted and released of the cable line vehicle by
Two orientation tires and preposition small-sized universal wheel are support, and wire spool is installed on the inside of three-legged structure, and wire spool passes through position
Vertical lift operation is carried out in two hand jacks on twisted and released of the cable line vehicle, after wire spool is given rise to setting height again
Carry out line laying work.This mode of operation needs two operators to carry out lifting operation to two jack respectively simultaneously, right
It is lower using manual operation jack lifting wire spool efficiency in the wire spool of large-tonnage, increase the labour of operator
Intensity.It is existing simultaneously can towed twisted and released of the cable line vehicle be set in the axis hole of wire spool using steel pipe, wire spool is carried out
Lifting, wire spool are easy left and right or upper and lower play on steel pipe, and there are construction safety hidden danger.
Utility model content
It is to be solved in the utility model be in the prior art can towed twisted and released of the cable line vehicle using two manually it is very heavy
The technical issues of top progress vertical lifting wire spool lift work working efficiency is low, large labor intensity is, and it is an object of the present invention to provide a kind of
Wire dispenser for erection of elevated power lines.
The utility model is achieved through the following technical solutions:
A kind of wire dispenser for erection of elevated power lines, including vehicle frame and the cable pulling-pushing device being arranged on vehicle frame, the vehicle
Frame includes left support, right support and the crossbeam being connected between left support and right support, the left support include bottom beam, column and
Inclined beams, the bottom beam, column and inclined beams head and the tail connection surround triangular structure, the left support and right support structure phase
Together, left support is parallel with right support and interval setting, column of the end of the crossbeam respectively with left support and right support are fixed
Connection, is also separately installed with the wheel of moving carriage on the bottom beam of left support and right support, and the cable pulling-pushing device includes point
The slide assemblies and driving slide assemblies not being mounted in the inclined beams of left support and right support slide mobile in inclined beams
Driving mechanism, the slide assemblies are for driving wire spool elevating movement.
Preferred embodiment, the bottom beam, column and inclined beams head and the tail connection surround triangular structure of right angle, and the crossbeam is equipped with
Two, two crossbeams are parallel and are arranged at intervals on the column of left support and right support, the bottom beam of the vehicle frame, column, inclination
Beam and crossbeam are welded to form for rectangular steel pipe.
Preferred embodiment, the front end of the vehicle frame are additionally provided with the hitch frame of traction vehicle frame, and the hitch frame is isosceles trapezoid knot
Structure, hitch frame both ends are fixedly connected with the column of left support and right support respectively, and being pivotally connected on the hitch frame has axis of traction.
The two sides of the inclined beams of preferred embodiment, the left support and right support are respectively equipped with guide groove, the slide assemblies
Length direction along guide groove moves along a straight line, and the slide assemblies include rectangular sleeve, and the rectangular sleeve is set in left support
In the inclined beams of right support, the idler wheel that connection is rolled with guide groove is installed in rectangular sleeve, the idler wheel is in guide groove
It is inside freely rotated, the driving mechanism includes hydraulic cylinder, and there are two the hydraulic cylinder is set, two hydraulic cylinders are for respectively driving a left side
Rectangular sleeve in the inclined beams of bracket and right support is mobile, the cylinder body and vehicle frame stud connection of the hydraulic cylinder, hydraulic cylinder
Telescopic arm and rectangular sleeve stud connection.
Preferred embodiment, the rectangular sleeve include " Contraband " shape sliding sleeve and the sealing plate being detachably connected on " Contraband " shape sliding sleeve,
" Contraband " the shape sliding sleeve and sealing plate are equipped with the mounting hole of installation idler wheel, the idler wheel by screw rod be mounted on " Contraband " shape sliding sleeve with
On sealing plate.
The top of preferred embodiment, the slide assemblies being mounted on left support is equipped with clamping device, the clamping device
Including support base and the first mandril being mounted on support base, first mandril includes screw rod, and in one end of screw rod, fixation is set
There is handwheel, have top in the other end pivot connection of screw rod, the threaded hole connecting with wire rod thread is offered on the support base,
Screw rod is set in the threaded hole of support base, and the top of the slide assemblies being mounted on the right bracket is equipped with bobbin winder device, around
Line apparatus includes bearing block, and the second mandril is arranged on bearing block, and second mandril includes shaft, solid in one end of shaft
Surely it is connected with top, is fixedly connected with the second synchronous pulley in the other end of shaft, driving is additionally provided at the top of bearing block
The rotor of output shaft axle of the driving motor of two mandrils rotation, the driving motor is equipped with the first synchronous pulley, the first synchronous pulley
It is connect between the second synchronous pulley by toothed belt transmission.
Preferred embodiment is connected with locking nut close to top threaded one end on screw rod, on the outer wall of locking nut
Handle is installed, the locking nut is used to screw rod be fixed on support base.
Preferred embodiment further includes that the tractor for drawing the frame movement, the tractor and axis of traction are connected by bolt
Connect, be additionally provided with the hydraulic system of driving hydraulic cylinder stretching motion on tractor, the hydraulic system by flexible tubing with it is hydraulic
Cylinder connects, and is additionally provided with battery group on the tractor, the battery group is electrically connected with driving motor.
Preferred embodiment offers threaded hole on the crossbeam, is connected with the screw rod of support vehicle frame, institute in threaded hole internal screw thread
State and be fixedly connected with handwheel at the top of screw rod, being pivotally connected in the bottom of screw rod has a support plate, the screw rod in support plate from
By rotating.
Preferred embodiment, the guide groove are channel steel, and channel steel is 10# channel steel, and guide groove and inclined beams are welded to connect.
The utility model compared with prior art, has the following advantages and benefits: a kind of use of the utility model
In the wire dispenser of erection of elevated power lines, 1) lifting wire spool tilting is provided in the left support of vehicle frame, the inclined beams of right support
The slide assemblies and hydraulic cylinder of elevating movement, the gravity of wire spool largely act on left support and right support, alleviate liquid
The workload of cylinder pressure is the effect that can reach the wire spool of lifting large-tonnage in the hydraulic cylinder using low thrust, reduces and set
Standby production cost improves the service life of equipment.2) slide assemblies are provided with the rectangular sleeve being slidably connected with inclined beams,
Be equipped with the idler wheel that the guide groove slid into inclined beams rolls connection in rectangular sleeve, idler wheel under the thrust of hydraulic cylinder along
The length direction of guide groove moves freely, and further reduces the service load of hydraulic cylinder, improves the transmission efficiency of hydraulic cylinder.
3) top of the slide assemblies on left support is equipped with clamping device, and the top of the slide assemblies on right support is equipped with around traditional thread binding
It sets, wire spool is clamped between clamping device and bobbin winder device.Clamping device is equipped with the first of clamping different length wire spool
Mandril adjusts the distance between second mandril by the first mandril of rotation, thus to clamp the wire spool of different size,
Wire spool is fixed between clamping device and bobbin winder device, improves the versatility of this equipment.4) driving is equipped on bobbin winder device
The driving motor of second mandril rotation starts driving motor in take-up operation to drive the second mandril to rotate, wire intertwist
On wire spool, the using flexible of this equipment is improved.5) this equipment is not necessarily to ad hoc power source, is more suitable for field work,
When tractor draws the movement of this equipment, hydraulic system and electric system on tractor are the hydraulic cylinder and driving electricity of this equipment
Machine provides power, greatlies simplify the structure of equipment, reduces the production cost of equipment, while meeting large-tonnage folding and unfolding electric wire
Demand.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural perspective of the utility model；
Fig. 2 is the structural front view of the utility model；
Fig. 3 is the structure left view of the utility model.
Label and corresponding parts title in attached drawing:
1- left support, 2- right support, 3- crossbeam, 4- wheel, 5- hitch frame, 6- axis of traction, 7- guide groove, 8- hydraulic cylinder,
9- rectangular sleeve, 10- idler wheel, 11- support base, 12- screw rod, 13- handwheel, 14- is top, 15- bearing block, 16- driving motor,
17- synchronous belt, 18- locking nut, 19- screw rod, 20- support plate.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1 to Figure 3, a kind of wire dispenser for erection of elevated power lines of the utility model, including vehicle frame and setting exist
Cable pulling-pushing device on vehicle frame, the vehicle frame include left support 1, right support 2 and the cross being connected between left support 1 and right support 2
Beam 3.Left support 1 includes bottom beam, column and inclined beams, and bottom beam, column and inclined beams head and the tail connection surround triangular structure of right angle,
Left support 1 is identical with 2 structure of right support, left support 1 it is parallel with right support 2 and interval setting, the end of crossbeam 3 respectively with left branch
Frame 1 is fixedly connected with the column of right support 2.There are two crossbeam 3 is set, two crossbeams 3 are parallel and are arranged at intervals on left support 1 and the right side
On the column of bracket 2, bottom beam, column, inclined beams, the crossbeam 3 of vehicle frame are that rectangular steel pipe is welded to form.In left support 1 and the right side
The wheel 4 of moving carriage is also separately installed on the bottom beam of bracket 2.The front end of vehicle frame is additionally provided with the hitch frame 5 of traction vehicle frame, should
Hitch frame 5 is isosceles trapezoidal structure, and 5 both ends of hitch frame are fixedly connected with the column of left support 1 and right support 2 respectively, are drawing
Being pivotally connected on frame 5 has axis of traction 6, and it is mobile to drag this vehicle frame convenient for tractor.
Cable pulling-pushing device includes that the slide assemblies being separately mounted in the inclined beams of left support 1 and right support 2 and driving are slided
Dynamic component slides mobile driving mechanism in inclined beams.The two sides of the inclined beams of left support 1 and right support 2 are respectively equipped with guiding
Slot 7, guide groove 7 are 10# channel steel, and guide groove 7 and inclined beams are welded to connect, length direction straight line of the slide assemblies along guide groove 7
Movement.The slide assemblies include rectangular sleeve 9, and rectangular sleeve 9 is set in the inclined beams of left support 1 and right support 2, in rectangle
The idler wheel 10 that connection is rolled with guide groove 7 is installed, idler wheel 10 is freely rotated in guide groove 7 in sleeve 9.Rectangular sleeve 9 is wrapped
The sealing plate for including " Contraband " shape sliding sleeve and being detachably connected on " Contraband " shape sliding sleeve, " Contraband " shape sliding sleeve and sealing plate are equipped with installation idler wheel 10
Mounting hole, idler wheel 10 is mounted on " Contraband " shape sliding sleeve and sealing plate by screw rod.
Driving mechanism includes hydraulic cylinder 8, and there are two hydraulic cylinder 8 is set, two hydraulic cylinders 8 are for respectively driving 1 He of left support
Rectangular sleeve 9 in the inclined beams of right support 2 is mobile, the cylinder body and vehicle frame stud connection of hydraulic cylinder 8, the telescopic arm of hydraulic cylinder 8
With 9 stud connection of rectangular sleeve.Using the vehicle frame of this structure, the gravity of wire spool largely acts on left support 1 and right support 2
On, the workload of hydraulic cylinder 8 is alleviated, is the wire spool that can reach lifting large-tonnage in the hydraulic cylinder 8 using low thrust
Effect reduces the production cost of equipment, improves the service life of equipment.It is provided on slide assemblies and reduces frictional resistance
Idler wheel 10, idler wheel 10 are moved freely along the length direction of guide groove 7 under the thrust of hydraulic cylinder 8, are further reduced
The service load of hydraulic cylinder 8 improves the transmission efficiency of hydraulic cylinder 8.
The top of slide assemblies on left support 1 is equipped with clamping device, which includes support base 11 and installation
The first mandril on support base 11, the first mandril include screw rod 12, handwheel 13 are fixed in one end of screw rod 12, in screw rod
12 other end pivot connection has top 14.The threaded hole being threadedly coupled with screw rod 12, screw rod 12 are offered on support base 11
It is set in the threaded hole of support base 11, the rotation of manual hand manipulation's handwheel 13 drives screw rod 12 along the axial direction of support base 11
Linear motion.Threaded one end on screw rod 12 close to top 14 is connected with locking nut 18, pacifies on the female outer wall of locking screw 18
Equipped with handle, locking nut 18 is used to screw rod 12 be fixed on support base 11, prevents screw rod 12 from loosening.In right support 2
On slide assemblies top be equipped with bobbin winder device, bobbin winder device includes bearing block 15, and the second top is arranged on bearing block 15
Bar, the second mandril include shaft, are fixedly connected with top 14 in one end of shaft, are fixedly connected with second in the other end of shaft
Synchronous pulley is additionally provided with the driving motor 16 of driving the second mandril rotation, the rotor of driving motor 16 at the top of bearing block 15
Output shaft is equipped with the first synchronous pulley, is sequentially connected between the first synchronous pulley and the second synchronous pulley by synchronous belt 17.
Wire spool is clamped between top the 14 of clamping device and top the 14 of bobbin winder device when use.Clamping device is equipped with clamping not
With the first mandril of length wire spool, the distance between second mandril is adjusted by the first mandril of rotation, thus to clamp
The wire spool of different size, wire spool is fixed between clamping device and bobbin winder device, is improved the versatility of this equipment, is prevented
Wire spool left and right or upper and lower play on vehicle frame.
This vehicle frame is dragged using tractor, and tractor is preferably agricultural four-wheel drive tractor, tractor and axis of traction 6 by inserting
Pin connection, is additionally provided with the hydraulic system of 8 stretching motion of driving hydraulic cylinder on tractor, hydraulic system by flexible tubing with it is hydraulic
Cylinder 8 connects, and is additionally provided with battery group on tractor, battery group is electrically connected with driving motor 16, is started in take-up operation
Driving motor 16 come drive the second mandril rotate, wire intertwist on wire spool, improve the using flexible of this equipment.
Preferred embodiment scheme offers threaded hole on the crossbeam 3 of bottom of frame, is connected in threaded hole internal screw thread
The screw rod 19 of vehicle frame is supported, the top of screw rod 19 is fixedly connected with handwheel, and being pivotally connected in the bottom of screw rod 19 has support plate 20,
Screw rod 19 is freely rotated in support plate 20, and manually rotation hand wheel rotates screw rod 19, drives vehicle frame pitching movement, is convenient for
Vehicle frame is connect with tractor, and when not using tractor, screw rod 19 and support plate 20 are supported vehicle frame.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of wire dispenser for erection of elevated power lines, which is characterized in that including vehicle frame and the wire rewinding and paying off machine being arranged on vehicle frame
Structure, the vehicle frame include left support, right support and the crossbeam being connected between left support and right support, and the left support includes bottom
Beam, column and inclined beams, the bottom beam, column and inclined beams head and the tail connection surround triangular structure, the left support and right branch
Frame structure is identical, and left support is parallel with right support and interval setting, the end of the crossbeam respectively with left support and right support
Column is fixedly connected, and the wheel of moving carriage, the wire rewinding and paying off machine are also separately installed on the bottom beam of left support and right support
Structure includes that the slide assemblies being separately mounted in the inclined beams of left support and right support and driving slide assemblies are sliding in inclined beams
Mobile driving mechanism is moved, the slide assemblies are for driving wire spool elevating movement.
2. a kind of wire dispenser for erection of elevated power lines according to claim 1, which is characterized in that the bottom beam, column
And inclined beams head and the tail connection surrounds triangular structure of right angle, there are two the crossbeam is set, two crossbeams are parallel and are arranged at intervals on
On the column of left support and right support, bottom beam, column, inclined beams and the crossbeam of the vehicle frame are welded to form for rectangular steel pipe.
3. a kind of wire dispenser for erection of elevated power lines according to claim 1, which is characterized in that the front end of the vehicle frame
Be additionally provided with traction vehicle frame hitch frame, the hitch frame be isosceles trapezoidal structure, hitch frame both ends respectively with left support and right branch
The column of frame is fixedly connected, and being pivotally connected on the hitch frame has axis of traction.
4. a kind of wire dispenser for erection of elevated power lines according to claim 1, which is characterized in that the left support and the right side
The two sides of the inclined beams of bracket are respectively equipped with guide groove, and the slide assemblies move along a straight line along the length direction of guide groove, described
Slide assemblies include rectangular sleeve, and rectangular sleeve is set in the inclined beams of left support and right support, installs in rectangular sleeve
There is the idler wheel that connection is rolled with guide groove, the idler wheel is freely rotated in guide groove, and the driving mechanism includes hydraulic cylinder, institute
It states there are two hydraulic cylinder sets, the rectangular sleeve that two hydraulic cylinders are used to respectively drive in the inclined beams of left support and right support is moved
It is dynamic, the cylinder body and vehicle frame stud connection of the hydraulic cylinder, the telescopic arm and rectangular sleeve stud connection of hydraulic cylinder.
5. a kind of wire dispenser for erection of elevated power lines according to claim 4, which is characterized in that the rectangular sleeve packet
The sealing plate for including " Contraband " shape sliding sleeve and being detachably connected on " Contraband " shape sliding sleeve, " Contraband " the shape sliding sleeve and sealing plate are equipped with installation rolling
The mounting hole of wheel, the idler wheel are mounted on " Contraband " shape sliding sleeve and sealing plate by screw rod.
6. a kind of wire dispenser for erection of elevated power lines according to claim 1, which is characterized in that described to be mounted on left branch
The top of slide assemblies on frame be equipped with clamping device, the clamping device include support base and be mounted on support base first
Mandril, first mandril includes screw rod, is fixed with handwheel in one end of screw rod, has top in the other end pivot connection of screw rod
Point offers the threaded hole connecting with wire rod thread on the support base, and screw rod is set in the threaded hole of support base, the peace
The top of slide assemblies on right support is equipped with bobbin winder device, and bobbin winder device includes bearing block, is arranged on bearing block
Second mandril, second mandril includes shaft, is fixedly connected in one end of shaft top, is connected the other end of shaft is fixed
It is connected to the second synchronous pulley, the driving motor of driving the second mandril rotation, the driving motor are additionally provided at the top of bearing block
Rotor of output shaft axle be equipped with the first synchronous pulley, between the first synchronous pulley and the second synchronous pulley by toothed belt transmission company
It connects.
7. a kind of wire dispenser for erection of elevated power lines according to claim 6, which is characterized in that close to top on screw rod
The threaded one end of point is connected with locking nut, and handle is equipped on the outer wall of locking nut, and the locking nut is used for silk
Bar is fixed on support base.
8. according to a kind of described in any item wire dispensers for erection of elevated power lines of claim 3,4,6, which is characterized in that also wrap
The tractor of traction frame movement is included, the tractor is connect with axis of traction by bolt, and it is hydraulic that driving is additionally provided on tractor
The hydraulic system of cylinder stretching motion, the hydraulic system are connect with hydraulic cylinder by flexible tubing, are additionally provided on the tractor
Battery group, the battery group are electrically connected with driving motor.
9. a kind of wire dispenser for erection of elevated power lines according to claim 1, which is characterized in that opened up on the crossbeam
There is threaded hole, is connected with the screw rod of support vehicle frame in threaded hole internal screw thread, handwheel is fixedly connected at the top of the screw rod, in spiral shell
The bottom of bar, which is pivotally connected, support plate, and the screw rod is freely rotated in support plate.
10. a kind of wire dispenser for erection of elevated power lines according to claim 4, which is characterized in that the guide groove is
Channel steel, channel steel are 10# channel steel, and guide groove and inclined beams are welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821912021.0U CN209009876U (en) | 2018-11-20 | 2018-11-20 | A wire pay-off device for overhead wire construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821912021.0U CN209009876U (en) | 2018-11-20 | 2018-11-20 | A wire pay-off device for overhead wire construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209009876U true CN209009876U (en) | 2019-06-21 |
Family
ID=66842719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821912021.0U Expired - Fee Related CN209009876U (en) | 2018-11-20 | 2018-11-20 | A wire pay-off device for overhead wire construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209009876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399404A (en) * | 2018-11-20 | 2019-03-01 | 国网四川省电力公司泸州供电公司 | A kind of cable unwinding device convenient for field Poling Construction |
| CN110649510A (en) * | 2019-09-11 | 2020-01-03 | 安徽迅科智能技术有限公司 | Not fragile light current circuit overhead device for building engineering |
-
2018
- 2018-11-20 CN CN201821912021.0U patent/CN209009876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399404A (en) * | 2018-11-20 | 2019-03-01 | 国网四川省电力公司泸州供电公司 | A kind of cable unwinding device convenient for field Poling Construction |
| CN110649510A (en) * | 2019-09-11 | 2020-01-03 | 安徽迅科智能技术有限公司 | Not fragile light current circuit overhead device for building engineering |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20191120 |