CN107565451A - A kind of ultra-high-tension power transmission line maintenance aid transmits coaster - Google Patents
A kind of ultra-high-tension power transmission line maintenance aid transmits coaster Download PDFInfo
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- CN107565451A CN107565451A CN201710898959.5A CN201710898959A CN107565451A CN 107565451 A CN107565451 A CN 107565451A CN 201710898959 A CN201710898959 A CN 201710898959A CN 107565451 A CN107565451 A CN 107565451A
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- plate
- axle
- articulated slab
- padlock
- rope
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Abstract
The invention discloses a kind of ultra-high-tension power transmission line maintenance aid to transmit coaster, its structure includes suspension ring, articulated slab, outer wheel plate, connecting plate, plate and hangs structure, movable pulley composition, articulated slab bottom outside is welded to each other with outer wheel plate upper inner, outer wheel plate is welded with the outside of connecting plate upper end on the inside of one end away from articulated slab, and articulated slab is in same level position with connecting plate.Rope of the present invention is locked two plates realizations with axle by the plate that axle is locked after hanging structure through plate and fixed；Rope is then passed through plate and hung between structure and movable pulley, coordinates opposing compression by panel, fore-set and buffering center pillar, while drives two buffer boards to rotate, and a buffer board carries out overall auxiliary and fixed；Rope is sequentially passed through between top sheave and bottom pulley, in solid padlock be used to fix top sheave and bottom pulley；A plurality of rope can be set up simultaneously, even if set up after a plurality of rope can also average force, and when rope drives the wheel to roll, will not loosen, it is stable, ensured safety.
Description
Technical field
The present invention is that a kind of ultra-high-tension power transmission line maintenance aid transmits coaster, belongs to and transmits coaster field.
Background technology
Coaster is in power transmission lines overhauling, transmits instrument essential in equipment, material work.
Prior art discloses Application No.：201610243009.4 one kind transmits coaster, it is characterised in that：Described
Coaster is transmitted, including transmits coaster handle, hook, wear-resistant block, links up with curved handle, jointed shaft, connecting rod, the coaster with pulley；
Wherein：The upper side that coaster handle is connected to hook is transmitted, wear-resistant block is arranged in hook inside, and hook connects with hook curved handle
Connect, hook curved handle is connected by jointed shaft with connecting rod, coaster of the bottom connection with pulley of connecting rod.The present invention's is excellent
Point：Transmission coaster of the present invention, theory structure is simple, manufactures and easy to use, effectively increases efficiency of construction, drop simultaneously
Low operational risk.But prior art can only set up single cord, even if set up after a plurality of rope also can not average force, and restrict
When subband driving wheel rolls, fluctuation of service, it can not ensure safety.
The content of the invention
To be passed in view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of ultra-high-tension power transmission line maintenance aid
Pass coaster, to solve that single cord can only be set up, even if set up after a plurality of rope also can not average force, and rope drives wheel
During rolling, fluctuation of service, the problem of can not ensuring safety.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of ultra-high-tension power transmission line inspection
Repair aid and transmit coaster, its structure includes suspension ring, articulated slab, outer wheel plate, connecting plate, plate and hangs structure, movable pulley composition, institute
State articulated slab bottom outside to be welded to each other with outer wheel plate upper inner, the outer wheel plate is welded with the inside of one end away from articulated slab
On the outside of connecting plate upper end, the articulated slab and connecting plate are in same level position, the articulated slab for being inverted U shape structure with to be ellipse
The suspension ring of round shape are connected by stud, and the plate hangs the hollow bulb that structure is connected to articulated slab by axle lock, the movable pulley
Outer wheel plate middle is arranged on by buffering lock shaft, the plate hangs structure and is made up of earplug, suspension bracket, base ring, and the earplug is provided with 2
It is individual to be symmetric, extend through suspension bracket both ends, the base ring is fixedly connected on suspension bracket bottom, the movable pulley by top sheave,
In solid padlock, bottom pulley composition, the top sheave consolidates padlock in bottom pulley and is flexibly connected, and the diameter of the top sheave is small
In bottom pulley, the top sheave is parallel to each other with bottom pulley, the top sheave, in solid padlock, bottom assembly pulley integrally change structure,
Solid padlock is provided with a pair in described, is made up of padlock fixed board, round buckle, and the padlock fixed board, round buckle cooperate, and the padlock is determined
Plate is triangular structure with round buckle composition, and the buffering lock shaft is by panel, fore-set, a buffer board, buffering center pillar, two bufferings
Plate forms, and the panel, fore-set, a buffer board composition are rectangular configuration, and the buffering center pillar is with two buffer board compositions
Cross structure, the panel medial surface are welded with fore-set upper end, and a buffer board, institute are run through in fore-set one end of the remote panel
State buffering center pillar upper end and be engaged in a buffer board, two buffer boards are run through in the buffering center pillar bottom, and the outer wheel plate is provided with
Add a layer wheel plate, for described plus layer wheel plate by adding a layer plectane, ring bar to form, described plus layer plectane, which is glued, ring bar, described plus layer plectane
Concentric circles is in ring bar.
Further, the axle lock includes one plate of axle lock, axle Lock shaft bar, two plates of axle lock, axle three plates of lock, the axle
One plate of lock, axle lock two plates, axle locks three plates and distinguishes parallel, outer spiral shell of the axle Lock shaft bar through axle two plates of lock and both ends
Line locks a plate with axle respectively, the internal thread of axle three plates of lock is connected.
Further, the padlock fixed board includes ball, rolls rotating shaft, lockplate body, is set in the middle part of the rolling rotating shaft
There is ball, the rolling rotating shaft is through lockplate body and engages.
Further, it is described buffering center pillar include a segmented column, two segmented columns, three segmented columns, four segmented columns, five segmented columns, six section gasket rings,
Seven segmented columns, a segmented column, two segmented columns, three segmented columns, four segmented columns, five segmented columns, six section gasket rings, seven segmented columns arrange from top to bottom successively
And cooperate.
Further, described plus layer plectane includes plus layer plectane body, extending column, center collar extension, and the extending column is provided with 4
It is individual, it is respectively welded in adding layer rounded difference of plectane medial surface, and in ring bar inner ring, during described plus layer plectane body is provided with
Thimble mouth, the center collar extension, which is located at, to be added at layer plectane body central and provided with perforation.
Beneficial effect
A kind of ultra-high-tension power transmission line maintenance aid of the present invention transmits coaster, is carrying out in use, suspension ring are hung into finger
Positioning is put, as needed the quantity of the rope needed for selection, and between quantity is 1 to 3, can also hang 3 simultaneously then will rope
Son penetrates articulated slab and outer wheel plate, hangs structure by the plate in articulated slab and outer wheel plate, movable pulley coordinates realization to slide.
The axle that rope of the present invention is locked after hanging structure through plate by axle locks a plate and axle two plates of lock are realized and fixed, axle lock
Axostylus axostyle is locked three plate mating band turns with axle and moved；Rope is then passed through plate and hung between structure and movable pulley, by panel, fore-set with delaying
Rush center pillar and coordinate opposing compression, while drive two buffer boards to rotate, a buffer board carries out overall auxiliary and fixed；Rope according to
It is secondary through top sheave and bottom pulley, in solid padlock be used to fix top sheave and bottom pulley；A plurality of rope can be set up simultaneously,
Even if set up after a plurality of rope can also average force, and when rope drives the wheel to roll, will not loosen, it is stable, ensure
Safety.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is that a kind of ultra-high-tension power transmission line of the present invention overhauls the structural representation that aid transmits coaster.
Fig. 2 is that a kind of ultra-high-tension power transmission line of the present invention overhauls the structural representation that aid transmits coaster side.
Fig. 3 is the structural representation that plate of the present invention hangs structure.
Fig. 4 is the structural representation of earplug of the present invention.
Fig. 5 is the structural representation of movable pulley of the present invention.
Fig. 6 is the structural representation of present invention buffering lock shaft.
Fig. 7 is the structural representation of present invention buffering center pillar.
Fig. 8 is the structural representation of the present invention plus layer wheel plate
Fig. 9 is the structural representation of padlock fixed board of the present invention.
In figure：Suspension ring -1, articulated slab -2, outer wheel plate -3, connecting plate -4, plate hang structure -5, movable pulley -6, buffering lock shaft -
60th, earplug -50, suspension bracket -51, base ring -52, top sheave -61, in solid padlock -62, bottom pulley -63, buffering center pillar -603 plus layer
Wheel plate -30 plus layer plectane -300, ring bar -301, axle lock a plate -500, axle Lock shaft bar -501, axle and lock two plates -502, axle lock
Three plates -503, ball -6200, roll rotating shaft -6201, lockplate body -6202, a segmented column -6030, two segmented columns -6031, three
Segmented column -6032, four segmented columns -6033, five segmented columns -6034, six section gasket rings -6035, seven segmented columns -6036 plus layer plectane body -
3000th, extending column -3001, center collar extension -3002, padlock fixed board -620, round buckle -621, panel -600, fore-set -601, one it is slow
Punching -602, buffering center pillar -603, two buffer boards -604.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Embodiment 1：
Fig. 1-Fig. 9 is referred to, the present invention provides a kind of ultra-high-tension power transmission line maintenance aid and transmits coaster：Its structure bag
Include that suspension ring 1, articulated slab 2, outer wheel plate 3, connecting plate 4, plate hang structure 5, movable pulley 6 forms, the bottom outside of articulated slab 2 with it is outer
The upper inner of wheel plate 3 is welded to each other, and the outer wheel plate 3 is welded with the outside of the upper end of connecting plate 4 on the inside of one end away from articulated slab 2,
The articulated slab 2 is in same level position with connecting plate 4, and the articulated slab 2 for being inverted U shape structure is with being elliptoid suspension ring 1
It is connected by stud, the plate hangs the hollow bulb that structure 5 is connected to articulated slab 2 by axle lock 50, and the movable pulley 6 passes through slow
Rush lock shaft 60 and be arranged on the outer middle of wheel plate 3, the plate hangs structure 5 and is made up of earplug 50, suspension bracket 51, base ring 52, the earplug
50 are symmetric provided with 2, extend through the both ends of suspension bracket 51, and the base ring 52 is fixedly connected on the bottom of suspension bracket 51, and plate hangs knot
Structure 5 is arranged on articulated slab 2, rationally make use of the space of articulated slab 2；The movable pulley 6 by top sheave 61, in solid padlock 62,
Bottom pulley 63 is formed, and the solid padlock 62 in is flexibly connected the top sheave 61 with bottom pulley 63, the diameter of the top sheave 61
Less than bottom pulley 63, the top sheave 61 is parallel to each other with bottom pulley 63, the top sheave 61, in solid padlock 62, bottom pulley 63
Integral structure is formed, solid padlock 62 is provided with a pair in described, is made up of padlock fixed board 620, round buckle 621, the padlock fixed board
620th, round buckle 621 cooperates, and the padlock fixed board 620 and round buckle 621 composition be triangular structure, it is described buffer lock shaft 60 by
Panel 600,601, buffer boards 602 of fore-set, buffering 603, two buffer boards 604 of center pillar form, the panel 600, fore-set
601st, a composition of buffer board 602 is rectangular configuration, and the buffering center pillar 603 and two compositions of buffer board 604 are cross structure,
The medial surface of panel 600 is welded with the upper end of fore-set 601, and a buffer board is run through in one end of fore-set 601 of the remote panel 600
602, buffering center pillar 603 upper end is engaged in a buffer board 602, and two buffer boards are run through in buffering center pillar 603 bottom
604, the top sheave 61 of movable pulley 6 is designed with bottom pulley 63 using integrative-structure, effectively reduces material cost, and whole utilization
Rate is big；The outer wheel plate 3 is provided with plus layer wheel plate 30, and described plus layer wheel plate 30 is described to add by adding layer plectane 300, ring bar 301 to form
Layer plectane 300, which is glued, ring bar 301, and described plus layer plectane 300 is in concentric circles with ring bar 301, and the axle lock 50 includes axle and locked
One plate 500, axle Lock shaft bar 501, axle lock two plates 502, axle locks three plates 503, and the axle locks a plate 500, axle locks two
Plate 502, axle lock three plates 503 and distinguish parallel, external screw thread point of the axle Lock shaft bar 501 through axle two plates 502 of lock and both ends
The internal thread that three plates 503 are locked with one plate 500 of axle lock, axle is connected, and axle lock 50 makes rope using rotation and reinforcing Integral design
It is laborsaving and stably during Suo Ladong；The padlock fixed board 620 includes ball 6200, rolls rotating shaft 6201, lockplate body 6202, institute
State to roll and ball 6200 is provided with the middle part of rotating shaft 6201, the rolling rotating shaft 6201 is through lockplate body 6202 and engages, padlock
The design of fixed board 620 is beneficial to the dismounting and fixation of top sheave 61, if need not set up a plurality of rope, can dismantle top sheave 61,
Save cost；The buffering center pillar 603 includes a segmented column 6030, two segmented columns 6031, three segmented columns 6032, four segmented columns 6033, five section
Post 6034, six saves gasket ring 6035, seven segmented columns 6036, a segmented column 6030, two segmented columns 6031, three segmented columns 6032, four segmented columns
6033rd, five segmented columns 6034, six section gasket ring 6035, seven segmented columns 6036 are arranged and cooperated from top to bottom successively, same for rotating
When play cushioning effect；Described plus layer plectane 300 includes plus layer plectane body 3000, extending column 3001, center collar extension 3002, institute
Extending column 3001 is stated provided with 4, is respectively welded in adding the rounded difference of the medial surface of layer plectane 300, and be located at the inner ring of ring bar 301
Interior, described plus layer plectane body 3000 is provided with center collar extension 3002, and the center collar extension 3002 is located at plus layer plectane body 3000
The friction ratio of rope is reduced, is extended using rope service life at center and provided with perforation, the design of ring bar 301, while adds layer circle
The thickening design service life length of plate body 3000, rope pulls also more stable.
Movable pulley described in this patent is a kind of can to substitute haulage equipment of the tradition using rolling bar as handbarrow, Ke Yijie
Save substantial amounts of manpower and time.Such as crawler type movable pulley, slope climbing type movable pulley, universal movable pulley, rubber formula movable pulley.
In progress in use, suspension ring 1 are hung into specified location, the quantity of required rope, quantity 1 are selected as needed
To between 3,3 can be also hung simultaneously, rope is then penetrated into articulated slab 2 and outer wheel plate 3, passes through articulated slab 2 and outer wheel plate 3
Interior plate hangs structure 5, movable pulley 6 coordinates realization to slide.Entered as ultra-high-tension power transmission line overhauls using the transmission coaster of aid
Row coordinating operation, time saving and energy saving efficiency high.
The present invention solves the problems, such as that prior art can only set up single cord, even if can not be also averaged after setting up a plurality of rope
Stress, and during rope drive wheel rolling, fluctuation of service, can not ensure safety.Pass through above-mentioned part mutual group of the invention
Conjunction, can reach one plate of axle lock locked after rope hangs structure through plate by axle and axle two plates of lock are realized and fixed, axle lock shaft
Bar is locked three plate mating band turns with axle and moved；Rope is then passed through plate and hung between structure and movable pulley, passes through panel, fore-set and buffering
Center pillar coordinates opposing compression, while drives two buffer boards to rotate, and a buffer board carries out overall auxiliary and fixed；Rope is successively
Through top sheave and bottom pulley, in solid padlock be used to fix top sheave and bottom pulley；A plurality of rope can be set up simultaneously, i.e.,
Make after a plurality of rope of erection can also average force, and when rope drives the wheel to roll, will not loosen, it is stable, ensure
Safety, it is described in detail below:
The articulated slab 2 is in same level position with connecting plate 4, and the articulated slab 2 for being inverted U shape structure is with being ellipticity
Suspension ring 1 be connected by stud, the plate hangs the hollow bulbs that structure 5 is connected to articulated slab 2 by axle lock 50, the movable pulley
6 are arranged on the outer middle of wheel plate 3 by buffering lock shaft 60, and the plate hangs structure 5 and is made up of earplug 50, suspension bracket 51, base ring 52, institute
To state earplug 50 to be symmetric provided with 2, extend through the both ends of suspension bracket 51, the base ring 52 is fixedly connected on the bottom of suspension bracket 51,
The movable pulley 6 by top sheave 61, in solid padlock 62, bottom pulley 63 form, the top sheave 61 and bottom pulley 63 are solid in
Padlock 62 is flexibly connected, and the diameter of the top sheave 61 is less than bottom pulley 63, and the top sheave 61 is parallel to each other with bottom pulley 63,
The top sheave 61, in solid padlock 62, bottom pulley 63 form integral structure, solid padlock 62 is provided with a pair in described, by padlock
Fixed board 620, round buckle 621 form, and the padlock fixed board 620, round buckle 621 cooperate, the padlock fixed board 620 and round buckle 621
Form as triangular structure, the buffering lock shaft 60 is by panel 600,601, buffer boards 602 of fore-set, buffering center pillar 603, two
Portion's buffer board 604 forms, and the panel 600,601, buffer boards 602 of fore-set composition are rectangular configuration, the buffering center pillar
603 and two buffer boards 604 composition be cross structure, the medial surface of panel 600 is welded with the upper end of fore-set 601, described remote
A buffer board 602 is run through in one end of fore-set 601 of panel 600, and buffering center pillar 603 upper end is engaged in a buffer board 602,
Two buffer boards 604 are run through in buffering center pillar 603 bottom, and the outer wheel plate 3 is provided with plus layer wheel plate 30, described plus layer wheel plate 30
By adding layer plectane 300, ring bar 301 to form, described plus layer plectane 300, which is glued, ring bar 301, described plus layer plectane 300 and ring bar
301 are in concentric circles.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of ultra-high-tension power transmission line maintenance aid transmits coaster, its structure includes suspension ring (1), articulated slab (2), outer wheel plate
(3), connecting plate (4), plate hang structure (5), movable pulley (6) composition, articulated slab (2) bottom outside and outer wheel plate (3) top
Inner side is welded to each other, and the outer wheel plate (3) is welded with the outside of connecting plate (4) upper end on the inside of one end away from articulated slab (2), and it is special
Sign is：
The articulated slab (2) is in same level position with connecting plate (4), and the articulated slab (2) for being inverted U shape structure is with being ellipse
The suspension ring (1) of shape are connected by stud, and the plate hangs structure (5) and locks the hollow bulb that (50) be connected to articulated slab (2) by axle,
The movable pulley (6) is arranged on outer wheel plate (3) middle by buffering lock shaft (60), the plate hang structure (5) by earplug (50),
Suspension bracket (51), base ring (52) composition, the earplug (50) are symmetric provided with 2, extend through suspension bracket (51) both ends, described
Base ring (52) is fixedly connected on suspension bracket (51) bottom, the movable pulley (6) by top sheave (61), in solid padlock (62), bottom pulley
(63) form, the solid padlock (62) in is flexibly connected the top sheave (61) with bottom pulley (63), the top sheave (61)
Diameter is less than bottom pulley (63), and the top sheave (61) is parallel to each other with bottom pulley (63), the top sheave (61), in solid padlock
(62), bottom pulley (63) composition integral structure, solid padlock (62) is provided with a pair in described, by padlock fixed board (620), round buckle
(621) form, the padlock fixed board (620), round buckle (621) cooperate, the padlock fixed board (620) and round buckle (621) group
As triangular structure, the buffering lock shaft (60) is by panel (600), fore-set (601), a buffer board (602), buffering center pillar
(603), two buffer board (604) compositions, the panel (600), fore-set (601), buffer board (602) composition are rectangle knot
Structure, the buffering center pillar (603) are cross structure with two buffer board (604) compositions, and panel (600) medial surface is welded with
A buffer board (602) is run through in fore-set (601) upper end, fore-set (601) one end of the remote panel (600), in the buffering
Post (603) upper end is engaged in a buffer board (602), and two buffer boards (604) are run through in described buffering center pillar (603) bottom；
The outer wheel plate (3) is provided with plus layer wheel plate (30), and described plus layer wheel plate (30) is by adding a layer plectane (300), ring bar (301) group
Into described plus layer plectane (300), which is glued, ring bar (301), and described plus layer plectane (300) is in concentric circles with ring bar (301).
2. a kind of ultra-high-tension power transmission line maintenance aid according to claim 1 transmits coaster, it is characterised in that：It is described
Axle lock (50) includes axle and locks a plate (500), axle Lock shaft bar (501), two plates (502) of axle lock, axle three plates (503) of lock, institute
State that axle locks a plate (500), axle locks two plates (502), axle locks that three plates (503) are parallel respectively, and the axle Lock shaft bar (501) is passed through
The external screw thread for wearing axle two plates (502) of lock and both ends locks a plate (500), the internal thread of axle three plates (503) of lock with axle respectively
Connection.
3. a kind of ultra-high-tension power transmission line maintenance aid according to claim 1 transmits coaster, it is characterised in that：It is described
Padlock fixed board (620) includes ball (6200), rolls rotating shaft (6201), lockplate body (6202), the rolling rotating shaft
(6201) middle part is provided with ball (6200), and the rolling rotating shaft (6201) is through lockplate body (6202) and engages.
4. a kind of ultra-high-tension power transmission line maintenance aid according to claim 1 transmits coaster, it is characterised in that：It is described
Buffering center pillar (603) includes a segmented column (6030), two segmented columns (6031), three segmented columns (6032), four segmented columns (6033), five segmented columns
(6034), six section gasket rings (6035), seven segmented columns (6036), a segmented column (6030), two segmented columns (6031), three segmented columns
(6032), four segmented columns (6033), five segmented columns (6034), six section gasket rings (6035), seven segmented columns (6036) arrange from top to bottom successively
And cooperate.
5. a kind of ultra-high-tension power transmission line maintenance aid according to claim 1 transmits coaster, it is characterised in that：It is described
A layer plectane (300) is added to include adding layer plectane body (3000), extending column (3001), center collar extension (3002), the extending column
(3001) 4 are provided with, is respectively welded in adding the rounded difference of a layer plectane (300) medial surface, and in ring bar (301) inner ring,
Described plus layer plectane body (3000) is provided with center collar extension (3002), and the center collar extension (3002) is located at plus layer plectane body
(3000) at center and provided with perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898959.5A CN107565451B (en) | 2017-09-28 | 2017-09-28 | A kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898959.5A CN107565451B (en) | 2017-09-28 | 2017-09-28 | A kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107565451A true CN107565451A (en) | 2018-01-09 |
| CN107565451B CN107565451B (en) | 2019-09-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898959.5A Active CN107565451B (en) | 2017-09-28 | 2017-09-28 | A kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204384794U (en) * | 2014-12-02 | 2015-06-10 | 河北神力索具有限公司 | A kind of improvement unload button-type pulley structure |
| CN105591315A (en) * | 2015-12-30 | 2016-05-18 | 国家电网公司 | Steering pulley for net blocking during high-voltage power transmission construction |
| CN205367562U (en) * | 2016-02-02 | 2016-07-06 | 贵州电网有限责任公司贵阳供电局 | Coaster slowly falls in electric line heavy object |
| CN205820776U (en) * | 2016-07-22 | 2016-12-21 | 甘肃送变电工程公司 | Four-wheel-type corner block |
-
2017
- 2017-09-28 CN CN201710898959.5A patent/CN107565451B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204384794U (en) * | 2014-12-02 | 2015-06-10 | 河北神力索具有限公司 | A kind of improvement unload button-type pulley structure |
| CN105591315A (en) * | 2015-12-30 | 2016-05-18 | 国家电网公司 | Steering pulley for net blocking during high-voltage power transmission construction |
| CN205367562U (en) * | 2016-02-02 | 2016-07-06 | 贵州电网有限责任公司贵阳供电局 | Coaster slowly falls in electric line heavy object |
| CN205820776U (en) * | 2016-07-22 | 2016-12-21 | 甘肃送变电工程公司 | Four-wheel-type corner block |
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| Publication number | Publication date |
|---|---|
| CN107565451B (en) | 2019-09-13 |
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