CN107565451B - A kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster - Google Patents
A kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster Download PDFInfo
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- CN107565451B CN107565451B CN201710898959.5A CN201710898959A CN107565451B CN 107565451 B CN107565451 B CN 107565451B CN 201710898959 A CN201710898959 A CN 201710898959A CN 107565451 B CN107565451 B CN 107565451B
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Abstract
The invention discloses a kind of ultra-high-tension power transmission line maintenance auxiliary tools to transmit coaster, its structure includes hanging ring, articulated slab, outer wheel plate, connecting plate, plate hangs structure, movable pulley forms, articulated slab bottom outside is welded to each other with outer wheel plate upper inner, for outer wheel plate far from being welded on the outside of connecting plate upper end on the inside of one end of articulated slab, articulated slab and connecting plate are in same level position.Rope of the present invention passes through after plate hangs structure and realizes and fix by a plate and axis two plates of lock for axis lock；Rope is then passed through plate and hangs between structure and movable pulley, cooperates opposing compression by panel, top pillar and buffering center pillar, while driving two buffer board rotations, a buffer board carries out whole be auxiliarily fixed；Rope sequentially passes through between top sheave and bottom pulley, in solid padlock for fixing top sheave and bottom pulley；A plurality of rope can be set up simultaneously, can also will not be loosened with average force, and when rope drives wheel to roll after setting up a plurality of rope, it is stable, it ensures safety.
Description
Technical field
The present invention is a kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster, belongs to transmitting coaster field.
Background technique
Coaster is essential tool in transmitting equipment, material work in power transmission lines overhauling.
Prior art discloses application No. is: 201610243009.4, a kind of transmitting coaster, it is characterised in that: described
Coaster is transmitted, including transmitting coaster handle, hook, wear-resistant block link up with curved handle, articulated shaft, connecting rod, the coaster with pulley；
Wherein: transmitting coaster handle is connected to the upper side of hook, and wear-resistant block is arranged in hook inside, and hook connects with hook curved handle
It connects, hook curved handle is connect by articulated shaft with connecting rod, and the bottom connection of connecting rod has the coaster of pulley.Of the invention is excellent
Point: transmitting coaster of the present invention, theory structure is simple, and manufacture and use are convenient, effectively increases construction efficiency, drops simultaneously
Low operational risk.But the prior art can only set up single cord, setting up after a plurality of rope can not average force, and restrict
When subband driving wheel rolls, fluctuation of service can not ensure safety.
Summary of the invention
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 auxiliary tools to pass
Pass coaster, with solve can only set up single cord, setting up after a plurality of rope can not average force, and rope drive wheel
When rolling, fluctuation of service can not ensure safe problem.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of ultra-high-tension power transmission line inspection
Auxiliary tool transmitting coaster is repaired, structure includes hanging ring, articulated slab, outer wheel plate, connecting plate, plate hangs structure, movable pulley forms, institute
It states articulated slab bottom outside to be welded to each other with outer wheel plate upper inner, the outer wheel plate is welded with far from one end inside of 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 be ellipse
The hanging ring of round shape is connected by stud, and the plate hangs the hollow portion that structure is connected to articulated slab by axis lock, the movable pulley
It is mounted on outer wheel plate middle by buffering lock shaft, the plate hangs structure and is made of axis lock, hanger, base ring, and the axis lock is equipped with 2
It is a to be symmetric, extend through hanger both ends, the base ring is fixedly connected on hanger bottom, the movable pulley by top sheave,
In solid padlock, bottom pulley composition, the top sheave pass through with bottom pulley in consolidate padlock and be flexibly connected, 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 pulley blocks integrally change structure,
Solid padlock is equipped with a pair in described, is made of padlock fixed board, round buckle, and the padlock fixed board, round buckle cooperate, and the padlock is fixed
Plate and round buckle group become triangular structure, and the buffering lock shaft is by panel, top pillar, a buffer board, buffering center pillar, two bufferings
Board group is at the panel, top pillar, a buffer board group become rectangular configuration, and the buffering center pillar becomes with two buffer board groups
Cross structure, the panel medial surface are welded with top pillar upper end, and a buffer board, institute are run through in top pillar one end of the separate panel
It states buffering center pillar upper end and is engaged in a buffer board, two buffer boards are run through in the buffering center pillar bottom end, and the outer wheel plate is equipped with
Add a layer wheel plate, for described plus layer wheel plate by adding a layer plectane, ring item to form, the splicing of described plus layer plectane has ring item, described plus layer plectane
Concentric circles is in ring item.
Further, the axis lock includes that axis locks a plate, axis Lock shaft bar, two plates of axis lock, axis three plates of lock, the axis
Lock a plate, axis locks two plates, axis locks three plates and distinguishes parallel, outer spiral shell of the axis Lock shaft bar through axis two plates of lock and both ends
Line locks a plate with axis respectively, the internal screw thread of axis three plates of lock is connect.
Further, the padlock fixed board includes ball, rolls shaft, lockplate ontology, is set in the middle part of the rolling shaft
There is ball, the rolling shaft is through lockplate ontology and engages.
Further, the 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 successively arrange from top to bottom
And it cooperates.
Further, described plus layer plectane includes plus layer plectane ontology, extending column, center collar extension, the extending column are equipped with 4
It is a, it is respectively welded in adding layer rounded difference of plectane medial surface, and be located in ring inner ring, during described plus layer plectane ontology is equipped with
Thimble mouth, the center collar extension, which is located at, to be added at layer plectane body central and is equipped with perforation.
Beneficial effect
A kind of ultra-high-tension power transmission line maintenance auxiliary tool of the present invention transmits coaster, is carrying out in use, hanging ring is hung finger
Positioning is set, as needed the quantity of rope needed for selection, and quantity is between 1 to 3, and 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, sliding is realized in movable pulley cooperation.
Rope of the present invention, which passes through plate and hangs after structure, locks a plate by the axis that axis is locked and axis is locked two plates and realized and fixes, axis lock
It is dynamic that shaft and axis lock three plate mating band turns；Rope is then passed through plate and hangs between structure and movable pulley, by panel, top pillar and delays
Center pillar cooperation opposing compression is rushed, while driving two buffer board rotations, a buffer board carries out whole be auxiliarily fixed；Rope according to
It is secondary across top sheave and bottom pulley, in solid padlock for fixing top sheave and bottom pulley；A plurality of rope can be set up simultaneously,
It can also will not be loosened with average force, and when rope drives wheel to roll after setting up a plurality of rope, it is stable, it ensures
Safety.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other 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 schematic diagram that auxiliary tool transmits coaster.
Fig. 2 is that a kind of ultra-high-tension power transmission line of the present invention overhauls the structural schematic diagram that auxiliary tool transmits coaster side.
Fig. 3 is the structural schematic diagram that plate of the present invention hangs structure.
Fig. 4 is the structural schematic diagram of axis of the present invention lock.
Fig. 5 is the structural schematic diagram of movable pulley of the present invention.
Fig. 6 is the structural schematic diagram of present invention buffering lock shaft.
Fig. 7 is the structural schematic diagram of present invention buffering center pillar.
Fig. 8 is the structural schematic diagram of the present invention plus layer wheel plate
Fig. 9 is the structural schematic diagram of padlock fixed board of the present invention.
In figure: hanging ring -1, articulated slab -2, outer wheel plate -3, connecting plate -4, plate hang structure -5, movable pulley -6, buffering lock shaft -
60, axis lock -50, hanger -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 item -301, axis lock a plate -500, axis Lock shaft bar -501, axis and lock two plates -502, axis lock
Three plates -503, roll shaft -6201, lockplate ontology -6202, a segmented column -6030, two segmented columns -6031, three at ball -6200
Segmented column -6032, four segmented columns -6033, five segmented columns -6034, six section gasket rings -6035, seven segmented columns -6036 plus layer plectane ontology -
3000, extending column -3001, center collar extension -3002, padlock fixed board -620, round buckle -621, panel -600, top pillar -601, one it is slow
Punching -602, buffering center pillar -603, two buffer boards -604.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1:
Fig. 1-Fig. 9 is please referred to, the present invention provides a kind of ultra-high-tension power transmission line maintenance auxiliary tool transmitting coaster: its structure packet
Include that hanging ring 1, articulated slab 2, outer wheel plate 3, connecting plate 4, plate hang structure 5, movable pulley 6 forms, 2 bottom outside of articulated slab and outer
3 upper inner of wheel plate is welded to each other, and the outer wheel plate 3 is welded on the outside of 4 upper end of connecting plate far from one end inside of articulated slab 2,
The articulated slab 2 and connecting plate 4 be in same level position, the articulated slab 2 for being inverted U shape structure be elliptoid hanging ring 1
It is connected by stud, the plate hangs the hollow portion that structure 5 is connected to articulated slab 2 by axis lock 50, and the movable pulley 6 passes through slow
It rushes lock shaft 60 and is mounted on outer 3 middle of wheel plate, the plate hangs structure 5 and is made of axis lock 50, hanger 51, base ring 52, the axis lock
50, which are equipped with 2, is symmetric, and extends through 51 both ends of hanger, the base ring 52 is fixedly connected on 51 bottom of hanger, and plate hangs knot
Structure 5 is mounted on articulated slab 2, and the space of articulated slab 2 is rationally utilized；The movable pulley 6 by top sheave 61, in solid padlock 62,
Bottom pulley 63 form, the top sheave 61 pass through with bottom pulley 63 in consolidate padlock 62 be flexibly connected, 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
Form integral structure, it is described in solid padlock 62 be equipped with a pair, be made of padlock fixed board 620, round buckle 621, the padlock fixed board
620, round buckle 621 cooperates, and the padlock fixed board 620 becomes triangular structure with 621 groups of round buckle, the buffering lock shaft 60 by
Panel 600,601, buffer boards 602 of top pillar, buffering 603, two buffer boards 604 of center pillar form, the panel 600, top pillar
601, becoming rectangular configuration for one 602 groups of buffer board, the buffering center pillar 603 and two 604 groups of buffer board become cross structure,
600 medial surface of panel is welded with 601 upper end of top pillar, and a buffer board is run through in 601 one end of top pillar of the separate panel 600
602,603 upper end of buffering center pillar is engaged in a buffer board 602, and two buffer boards are run through in 603 bottom end of buffering center pillar
604, the top sheave 61 and bottom pulley 63 of movable pulley 6 are designed using integral structure, effectively reduce material cost, and whole utilization
Rate is big；The outer wheel plate 3 is equipped with plus layer wheel plate 30, and described plus layer wheel plate 30 is described to add by adding layer plectane 300, ring item 301 to form
The layer splicing of plectane 300 has ring item 301, and described plus layer plectane 300 and ring item 301 are in concentric circles, and the axis lock 50 includes that axis is locked
One plate 500, axis Lock shaft bar 501, axis lock two plates 502, axis locks three plates 503, and the axis locks a plate 500, axis locks two
Plate 502, axis lock three plates 503 respectively in parallel, and the axis Lock shaft bar 501 locks the external screw thread point at two plates 502 and both ends through axis
The internal screw thread for locking three plates 503 with one plate 500 of axis lock, axis is connect, and axis lock 50 makes to restrict using rotation and reinforcing integrated design
It is laborsaving and stable when Suo Ladong；The padlock fixed board 620 includes ball 6200, rolls shaft 6201, lockplate ontology 6202, institute
It states to roll and is equipped with ball 6200 in the middle part of shaft 6201, the rolling shaft 6201 is through lockplate ontology 6202 and engages, padlock
The design of fixed board 620 is conducive to the disassembly and fixation of top sheave 61, if top sheave 61 can be dismantled when without setting up a plurality of rope,
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 sections
Column 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 are successively arranged and are cooperated from top to bottom, same for rotating
When play buffer function；Described plus layer plectane 300 includes adding layer plectane ontology 3000, extending column 3001, center collar extension 3002, institute
Extending column 3001 is stated equipped with 4, is respectively welded in adding the rounded difference of 300 medial surface of layer plectane, and be located at 301 inner ring of ring item
Interior, described plus layer plectane ontology 3000 is equipped with center collar extension 3002, and the center collar extension 3002 is located at plus layer plectane ontology 3000
At center and it is equipped with perforation, the design of ring item 301 is reduced the friction ratio of rope, extended using rope service life, while adding layer circle
The thickening design service life of plate ontology 3000 is long, and rope pulls also more stable.
Movable pulley described in this patent is that one kind can substitute tradition using rolling bar as the haulage equipment of handbarrow, Ke Yijie
Save a large amount 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, hanging ring 1 is hung designated position, the quantity of the rope needed for selecting as needed, quantity 1
To between 3,3 can also be 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, sliding is realized in the cooperation of movable pulley 6.As ultra-high-tension power transmission line maintenance using auxiliary tool transmitting coaster into
Row coordinating operation, it is time saving and energy saving high-efficient.
The problems solved by the invention prior art can only set up single cord, can not be averaged setting up after a plurality of rope
Stress, and when rope drive wheel rolling, fluctuation of service can not ensure safety.The present invention pass through above-mentioned component mutual group
It closes, can achieve rope and hung after structure across plate and a plate is locked by the axis that axis is locked and axis is locked two plates and realized and fixes, axis lock shaft
It is dynamic that bar and axis lock three plate mating band turns；Rope is then passed through plate and hangs between structure and movable pulley, passes through panel, top pillar and buffering
Center pillar cooperates opposing compression, while driving two buffer board rotations, and a buffer board carries out whole be auxiliarily fixed；Rope is successively
Across top sheave and bottom pulley, in solid padlock for fixing top sheave and bottom pulley；A plurality of rope can be set up simultaneously, i.e.,
Making to set up after a plurality of rope can also will not loosen with average force, and when rope drives wheel to roll, stable, ensure
Safety, described in detail below:
The articulated slab 2 and connecting plate 4 be in same level position, the articulated slab 2 for being inverted U shape structure be ellipticity
Hanging ring 1 be connected by stud, the plate hangs the hollow portions that structure 5 is connected to articulated slab 2 by axis lock 50, the movable pulley
6 are mounted on outer 3 middle of wheel plate by buffering lock shaft 60, and the plate hangs structure 5 and is made of axis lock 50, hanger 51, base ring 52, institute
It states axis lock 50 to be symmetric equipped with 2, extends through 51 both ends of hanger, the base ring 52 is fixedly connected on 51 bottom of hanger,
The movable pulley 6 by top sheave 61, in solid padlock 62, bottom pulley 63 form, the top sheave 61 and bottom pulley 63 pass through in it is solid
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, it is described in solid padlock 62 be equipped with a pair, 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
Group becomes triangular structure, and the buffering lock shaft 60 is by panel 600,601, buffer boards 602 of top pillar, buffering center pillar 603, two
Portion's buffer board 604 form, the panel 600,601, one 602 groups of buffer board of top pillar become rectangular configuration, the buffering center pillar
603 and two 604 groups of buffer board become cross structure, 600 medial surface of panel is welded with 601 upper end of top pillar, described separate
A buffer board 602 is run through in 601 one end of top pillar of panel 600, and 603 upper end of buffering center pillar is engaged in a buffer board 602,
Two buffer boards 604 are run through in 603 bottom end of buffering center pillar, and the outer wheel plate 3 is equipped with plus layer wheel plate 30, described plus layer wheel plate 30
By adding layer plectane 300, ring item 301 to form, the splicing of described plus layer plectane 300 has ring item 301, described plus layer plectane 300 and ring item
301 are in concentric circles.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of ultra-high-tension power transmission line maintenance auxiliary tool transmits coaster, structure includes hanging 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
Inside is welded to each other, and the outer wheel plate (3) is welded on the outside of connecting plate (4) upper end far from one end inside of articulated slab (2), special
Sign is:
The articulated slab (2) and connecting plate (4) are in same level position, and the articulated slab (2) is led to for elliptoid hanging ring (1)
It crosses stud to be connected, the plate hangs the hollow portion that structure (5) is connected to articulated slab (2) by axis lock (50), the movable pulley (6)
It is mounted on outer wheel plate (3) middle by buffering lock shaft (60), the plate hangs structure (5) and locks (50), hanger (51), base ring by axis
(52) it forms, the axis lock (50) is equipped with 2 and is symmetric, and extends through hanger (51) both ends, and the base ring (52) is fixed
Be connected to hanger (51) bottom, the movable pulley (6) by top sheave (61), in solid padlock (62), bottom pulley (63) form, it is described
Top sheave (61) pass through with bottom pulley (63) in solid padlock (62) is flexibly connected, the diameter of the top sheave (61) is 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) form integral structure, it is described in solid padlock (62) be equipped with a pair, be made of padlock fixed board (620), round buckle (621), institute
Padlock fixed board (620), round buckle (621) mutual cooperation are stated, the padlock fixed board (620) and round buckle (621) group become triangle knot
Structure, the buffering lock shaft (60) are delayed by panel (600), top pillar (601), a buffer board (602), buffering center pillar (603), two
Punching (604) composition, the panel (600), top pillar (601), buffer board (602) group become rectangular configuration, the buffering
Center pillar (603) becomes cross structure with two buffer board (604) groups, and panel (600) medial surface is welded on top pillar (601)
A buffer board (602), buffering center pillar (603) upper end are run through in top pillar (601) one end at end, the separate panel (600)
It is engaged in a buffer board (602), two buffer boards (604) are run through in the buffering center pillar (603) bottom end；
The outer wheel plate (3) is equipped with plus layer wheel plate (30), and described plus layer wheel plate (30) are by adding a layer plectane (300), ring item (301) group
At described plus layer plectane (300), which are glued, to be had ring item (301), and described plus layer plectane (300) and ring item (301) are in concentric circles.
2. a kind of ultra-high-tension power transmission line maintenance auxiliary tool according to claim 1 transmits coaster, it is characterised in that: described
Axis lock (50) includes that axis locks a plate (500), axis Lock shaft bar (501), two plates (502) of axis lock, axis three plates (503) of lock, institute
It states axis and locks three plate (500), two plates (502) of axis lock, axis lock plates (503) respectively in parallel, the axis Lock shaft bar (501) is passed through
It wears axis two plates (502) of lock and the external screw thread at both ends locks a plate (500) with axis respectively, axis locks the internal screw thread of three plates (503)
Connection.
3. a kind of ultra-high-tension power transmission line maintenance auxiliary tool according to claim 1 transmits coaster, it is characterised in that: described
Padlock fixed board (620) includes ball (6200), rolls shaft (6201), lockplate ontology (6202), the rolling shaft
(6201) middle part is equipped with ball (6200), and the rolling shaft (6201) is through lockplate ontology (6202) and engages.
4. a kind of ultra-high-tension power transmission line maintenance auxiliary tool according to claim 1 transmits coaster, it is characterised in that: 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) successively arrange from top to bottom
And it cooperates.
5. a kind of ultra-high-tension power transmission line maintenance auxiliary tool according to claim 1 transmits coaster, it is characterised in that: described
Adding a layer plectane (300) includes adding layer plectane ontology (3000), extending column (3001), center collar extension (3002), the extending column
(3001) 4 are equipped with, is respectively welded in adding the rounded difference of a layer plectane (300) medial surface, and be located in ring item (301) inner ring,
Described plus layer plectane ontology (3000) is equipped with center collar extension (3002), and the center collar extension (3002) is located at plus layer plectane ontology
(3000) at center and equipped 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 CN107565451A (en) | 2018-01-09 |
| CN107565451B true CN107565451B (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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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 |
|---|---|
| CN107565451A (en) | 2018-01-09 |
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