CN110265925A - Inner ring bearing-type band line coaster - Google Patents
Inner ring bearing-type band line coaster Download PDFInfo
- Publication number
- CN110265925A CN110265925A CN201910666862.0A CN201910666862A CN110265925A CN 110265925 A CN110265925 A CN 110265925A CN 201910666862 A CN201910666862 A CN 201910666862A CN 110265925 A CN110265925 A CN 110265925A
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- Prior art keywords
- inner ring
- ring
- bearing
- band line
- type band
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- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Ropes Or Cables (AREA)
Abstract
The present invention relates to electrical equipment technical fields, a kind of inner ring bearing-type band line coaster and wire erection system are specifically disclosed, the inner ring bearing-type band line coaster, for along the new conducting wire of wire erection that do not break comprising the connecting rod of two inner ring bearing pulleies and the two two inner ring bearing pulleies of connection；The inner ring bearing pulley includes mounting ring, and the inside of the mounting ring is equipped with the shaft that several axis around the mounting ring are arranged, the outer sheath of the shaft is equipped with bearing, and the outer ring of all bearings forms a cable-through hole passed through for not disconnected conducting wire.The present invention provides a kind of inner ring bearing-type band line coaster and wire erection system, has not only been able to achieve the aerial cabling of new conducting wire, but also be avoided that and Caton occur in position of plugging into.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of inner ring bearing-type band line coasters.
Background technique
The schematic diagram that part conducting wire of the Fig. 1 between two shaft towers breaks.
Referring to Fig. 1, between the first shaft tower 1 and the first shaft tower 2 often have several conducting wires, due to conducting wire aging or by
The reasons such as impact failure, part conducting wire can break to form fracture conducting wire 3, and not disconnected conducting wire 4 is then still set up between two shaft towers.
When occurring being broken conducting wire, it is necessary to set up new conducting wire 5 between two shaft towers to replace being broken conducting wire, set up at present
The method of new conducting wire 5 is as follows:
1. removing fracture conducting wire, pulley is installed in the first shaft tower 1 and the original-pack position for setting fracture conducting wire of the first shaft tower 2；
2. one end of new conducting wire 5 is again returned to from the ground of the first shaft tower 1 by the pulley of 1 upper end of the first shaft tower
The first shaft tower 2 is got to from ground with the end of new conducting wire 5 by people in ground；The end of new conducting wire 5 passes through the first bar again
The pulley of 2 upper end of tower, returns to ground；
3. mechanical equipment is arranged far from the side of the first shaft tower 1 in the first shaft tower 2, mechanical equipment tenses new conducting wire 5, until
New conducting wire 5, which is tightened, rises to specified position, and vertical arc is made to meet the requirements.
Above-mentioned operation mode has the following problems:
1. new 5 mass of conducting wire is larger, manpower pulls new conducting wire 5 very difficult and laborious in ground running；
2. tighten new conducting wire 5, in the case where the ridge across Shan Kua, trees can stop new conducting wire 5 to rise, and once occur new
Conducting wire 5 is hung on trees, can neither be pulled upwardly, it is also difficult to which the case where placing back in ground eventually leads to whole new conducting wire 5 and make
It is useless.
Fig. 2 is the existing structural schematic diagram with line coaster.
Referring to fig. 2, it will be erected at line coaster 6 on not disconnected conducting wire 4, new conducting wire 5 is then fixed on band line coaster 6
On, aerial cabling can be realized along the not disconnected sliding of conducting wire 4 in band line coaster 6, to avoid the problem that ground manpower cabling is brought.So
And aerial bracing wire may be implemented in the band line coaster 6 now used, but it is easy to appear card resistance in the position 401 of plugging into of cable, causes
Band line coaster 6 can not move.
Therefore, it is necessary to a kind of electric devices, have not only been able to achieve the aerial cabling of new conducting wire, but also are avoided that and occur in position of plugging into
Caton.
Summary of the invention
It is an advantage of the invention to provide a kind of inner ring bearing-type band line coaster and wire erection system, Ji Nengshi
The now aerial cabling of new conducting wire, and be avoided that and Caton occur in position of plugging into.
To achieve these objectives, on the one hand, the present invention provides a kind of inner ring bearing-type band line coaster, for along the lead frame that do not break
If new conducting wire comprising the connecting rod of two inner ring bearing pulleies and the two two inner ring bearing pulleies of connection；The inner axle
Holding pulley includes mounting ring, and the inside of the mounting ring is equipped with the shaft that several axis around the mounting ring are arranged, described
The outer sheath of shaft is equipped with bearing, and the outer ring of all bearings forms a cable-through hole passed through for not disconnected conducting wire.
Preferably, the mounting ring includes:
Upper half ring, the upper half ring include the upper fixing layer of semicircular, axis of the fixed layer around the mounting ring
Line is equipped with several upper axial troughs, and the part shaft is fixed in the upper axial trough；
Lower semi-ring, one end of the lower semi-ring and the upper half ring are rotatablely connected, and the other end and the upper half ring are retractable
Connection；The lower semi-ring includes the lower fixing layer of semicircular, and the lower fixing layer is equipped with several around the axis of the mounting ring
Lower axial trough, remaining described shaft are fixed in the lower axial trough.
Preferably, the top of two upper half rings is affixed by a connecting rod, and the bottom of the two lower semi-rings passes through
Another connecting rod is affixed.
Preferably, the bottom for the connecting rod connecting with the two lower semi-rings is equipped with two pull rings.
Preferably, the upper half ring further includes two upper cover plates, and fixed layer is described between two upper cover plates
Upper cover plate and the lower fixing layer are rotatablely connected；
The lower semi-ring further includes two lower cover plates, and the lower fixing layer is between two lower cover plates, the lower cover plate
With the retractable connection of fixed layer.
Preferably, the inner ring bearing-type band line coaster further include:
Axis of dilatation, the lower fixing layer and the upper half ring rotation connection one end end protrude into two upper cover plates it
Between；The axis of dilatation run through and be rotationally connected with the lower fixing layer protrude into the end between two upper cover plates and two it is described on
Cover board.
Preferably, the inner ring bearing-type band line coaster further include:
Open and close bolt, one end of the lower cover plate and the retractable connection of the upper half ring is equipped with the first plug hole, it is described on
The end of one end of fixing layer and the retractable connection of lower semi-ring can be protruded between two lower cover plates and be equipped with the second plug
Hole, the folding bolt is through the first plug hole and the second plug hole to realize between fixed layer and lower cover plate
It fastens.
Preferably, the cable-through hole and mounting ring are coaxial, the length direction of two connecting rods and the axis of the mounting ring
Line direction is parallel.
On the other hand, the present invention provides a kind of wire erection system, including drawstring and any of the above-described kind of inner ring bearing-type band
Line coaster, one end of the drawstring and the inner ring bearing-type band line coaster are affixed.
The beneficial effects of the present invention are: a kind of inner ring bearing-type band line coaster and wire erection system, Ji Nengshi are provided
The now aerial cabling of new conducting wire, and be avoided that and Caton occur in position of plugging into.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram that the part conducting wire between two shaft towers that background technique provides breaks；
Fig. 2 is the existing structural schematic diagram with line coaster that background technique provides；
Fig. 3 is structural schematic diagram of the inner ring bearing-type with line coaster that embodiment provides；
Fig. 4 is the structural schematic diagram for the mounting ring that embodiment provides；
Fig. 5 is the operative scenario schematic diagram for the wire erection system that embodiment provides.
In figure:
1, the first shaft tower；2, the second shaft tower；3, it is broken conducting wire；4, do not break conducting wire；401, it plugs into position；5, new conducting wire；6,
Existing band line coaster；
7, inner ring bearing pulley；701, mounting ring；7011, upper fixing layer；7012, upper cover plate；7013, lower fixing layer；
7014, lower cover plate；702, shaft；703, bearing；704, cable-through hole；705, axis of dilatation；706, bolt is opened and closed；8, connecting rod；9,
Pull ring；10, drawstring；11, take-up.
Specific embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
Applying example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Referring to Fig. 3~Fig. 5, the present embodiment provides a kind of wire erection systems, including take-up 11, drawstring 10 and inner ring
Bearing-type band line coaster.
Inner ring bearing-type band line coaster is used to set up new conducting wire 5 along not disconnected conducting wire 4 comprising two inner ring bearings, 703 pulley 7
And two connection two 703 pulleys 7 of inner ring bearing connecting rod 8；703 pulley 7 of inner ring bearing includes mounting ring 701,
The inside of the mounting ring 701 is equipped with the shaft 702 that several axis around the mounting ring 701 are arranged, the shaft 702
Outer sheath is equipped with bearing 703, and the outer ring of all bearings 703 forms a cable-through hole 704 passed through for not disconnected conducting wire 4.
The mounting ring 701 includes upper half ring and lower semi-ring.The top of two upper half rings is solid by a connecting rod 8
It connects, the bottom of the two lower semi-rings is affixed by another connecting rod 8.The bottom for the connecting rod 8 being connect with the two lower semi-rings
Portion is equipped with two pull rings 9.One end of the drawstring 10 is connect with the take-up 11, the other end and inner ring bearing-type band line
One pull ring 9 of coaster is affixed, and another pull ring 9 is for fixing new conducting wire 5.It is of course also possible to take-up 11 not used, by people
Power pulls drawstring 10 so that inner ring bearing-type band line coaster advances along not disconnected conducting wire 4.It should be noted that the cable-through hole 704
Coaxial with mounting ring 701, the length direction of two connecting rods 8 is parallel with the axis direction of the mounting ring 701.
Preferably, the diameter of cable-through hole 704 is not less than the diameter of the position 401 of plugging into for the cable that do not break.
Wire erection System Working Principle provided in this embodiment is as follows:
1. climbing up the first shaft tower 1, not disconnected conducting wire 4 is made to pass through cable-through hole 704, thus by inner ring bearing-type band line coaster
It sets up in the sky；
2. one end of new conducting wire 5 is fixed on another pull ring 9；
3. take-up 11 is fixed on side of second shaft tower 2 far from the first shaft tower 1, then start take-up 11；
4. drawstring 10 pulls inner ring bearing-type band line coaster to be moved to the second bar above the first shaft tower 1 along not disconnected conducting wire 4
2 top of tower, while new conducting wire 5 being pulled to move in the sky, the fixation of new conducting wire 5 is carried out on the second shaft tower 2.
Have following advantages using inner ring bearing-type band line coaster provided in this embodiment and wire erection system:
1. walking about without pulling new conducting wire 5 on ground, manpower is saved；
2. without rising line, to avoid the sundries such as branch that new conducting wire 5 is hindered to rise；
3. due to plugging into, position 401 is met when inner ring bearing-type marches to line coaster the position 401 of plugging into of not disconnected conducting wire 4
To be rotatable bearing 703, so position 401 of plugging under the action of bearing 703 can be sent in cable-through hole 704, from
And the position 401 that avoids plugging into the case where stopping inner ring bearing-type band line coaster to advance.
In the present embodiment, the upper half ring includes the upper fixing layer 7011 of semicircular, and fixed layer 7011 is around institute
The axis for stating mounting ring 701 is equipped with several upper axial troughs, and the part shaft 702 is fixed in the upper axial trough.The lower semi-ring
One end and the upper half ring be rotatablely connected, the other end and the retractable connection of the upper half ring；The lower semi-ring includes semicircular
Lower fixing layer 7013, the lower fixing layer 7013 around the mounting ring 701 axis be equipped with several lower axial troughs, remaining institute
Shaft 702 is stated to be fixed in the lower axial trough.The upper half ring further includes two upper cover plates 7012, and fixed layer 7011 is located at
Between two upper cover plates 7012, the upper cover plate 7012 is rotatablely connected with the lower fixing layer 7013；The lower semi-ring also wraps
Include two lower cover plates 7014, the lower fixing layer 7013 between two lower cover plates 7014, the lower cover plate 7014 with it is described
The retractable connection of upper fixing layer 7011.
Further, inner ring bearing-type band line coaster further includes axis of dilatation 705 and folding bolt 706.The lower fixing layer
7013 and the end of one end of upper half ring rotation connection protrude between two upper cover plates 7012；The axis of dilatation 705 passes through
It wears and is rotationally connected with end and two upper cover plates that the lower fixing layer 7013 protrudes between two upper cover plates 7012
7012.One end of the lower cover plate 7014 and the retractable connection of the upper half ring is equipped with the first plug hole, fixed layer
7011 and the end of one end of the retractable connection of lower semi-ring can protrude between two lower cover plates 7014 and be equipped with second and insert
Hole is pulled out, the folding bolt 706 is through the first plug hole and the second plug hole to realize fixed layer 7011 under
Fastening between cover board 7014.
It is understood that extracting folding bolt 706, two semi-rings can be made to open, the cable that will not break is put into cable-through hole 704
After be inserted into folding bolt 706, complete erection work of the inner ring bearing-type with line coaster.
Inner ring bearing-type band line coaster and wire erection system provided in this embodiment, be both able to achieve the aerial of new conducting wire 5
Cabling, and be avoided that and Caton occur in position 401 of plugging into.
The description of above-described embodiment is provided with the purpose of illustration and description.It is not intended to exhaustion or the limitation disclosure.It is specific
Embodiment individual component or feature be generally free from the limitation of specific embodiment, but in where applicable, even if not having
It is specifically illustrated in or describes, can be interchanged and for selected embodiment.In many aspects, identical element or feature
Also it can change.This variation is not to be regarded as a departure from the disclosure, and all this modifications mean to be included in the disclosure
In the range of.
Example embodiment is provided, so that the disclosure will become thoroughly, and the range fully will be conveyed to ability
Technical staff in domain.In order to understand thoroughly embodiment of the disclosure, numerous details, such as specific component, device and side are illustrated
The example of method.Clearly for those skilled in that art, do not need using specific details, example embodiment can be with many
Different forms is implemented, and neither should be construed as limiting the scope of the present disclosure.In some example embodiments, not right
Well known process, well known apparatus structure and well known technology are described in detail.
Here, using specialized vocabulary only for describing the purpose of specific example embodiment, and not mean to limit
Purpose.Unless context clearly makes opposite expression, singular " one (a) " as used herein, " one (an) "
" being somebody's turn to do (the) " can mean also to include plural form.Term " including (comprises) ", " including (comprising) ",
" including (including) " and it is included in the interior meaning " with (having) ", and therefore specifies and there is stated spy
Sign, entirety, step, operation, element and/or component, but do not exclude the presence of or extraly have other spies of one or more
Sign, entirety, step, operation, element, component and/or combination thereof.Unless explicitly indicated the order executed, it is described herein
This method step, handling and operation are not interpreted as centainly needing to execute according to the specific order discussed and shown.Should also
Understand, it can be using additional or selectable step.
When element or layer be known as " ... on ", " with ... engage ", " being connected to " or " being connected to " another
Element or layer can be and engage, be connected to or couple directly on another element or layer, with another element or layer
To another element or layer, there may also be intervenient element or layers.In contrast, when element or layer are known as " straight
On connecing ... ", " with ... directly engage ", " being directly connected to " or " being directly coupled to " another element or layer, then may be used
Intervenient element or layer can be not present.Other words for being used to describe element relation should explain (example in a similar way
Such as, " ... between " and " between directly existing ... ", " adjacent " and " direct neighbor " etc.).Term "and/or" as used herein
Any and all combination of one or more including associated the enumerated project.Although may have been used art herein
Language first, second, third, etc. to describe various elements, component, regions, layers, and/or portions, these elements, component, region,
Layer and/or part are not limited by these terms.These terms can be served only for an element, component, region or part
It is distinguished with another element, component, region or part.Unless clearly showed that by context, herein using such as term " the
One ", the term of " second " and other numerical value is it is not intended that sequence or order.Therefore, lower section discuss first element, component,
Region, layer or part can be implemented using second element, component, region, layer or partial term without departing from the example
The introduction of example.
The relative terms in space, such as "inner", "outside", " below ", " in so-and-so lower section ", " lower part ", " top ",
" top " etc. can use herein for convenient for the purpose of description, to describe an element or feature as illustrated in the drawing and another
Relationship between outer one or more element or feature.The relative terms in space can mean the orientation comprising describing except the figure
Except the device different orientations.For example, if overturn the device in the figure, then it is described as " in other elements or feature
Element of the lower section " either " below element or feature " will be oriented to " in the top of other elements or feature ".Therefore,
Exemplary term " ... lower section " may include upwardly and downwardly two kinds orientations.The device can be otherwise orientated,
Such as it is rotated by 90 ° or other orientations, and explained with the opposite description in space herein.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of inner ring bearing-type band line coaster, for setting up new conducting wire (5) along not disconnected conducting wire (4), which is characterized in that including two
The connecting rod (8) of inner ring bearing (703) pulley (7) and two two inner ring bearing (703) pulleys (7) of connection；The inner ring
Bearing (703) pulley (7) includes mounting ring (701), and the inside of the mounting ring (701) is equipped with several around the mounting ring
(701) shaft (702) of axis arrangement, the outer sheath of the shaft (702) are equipped with bearing (703), all bearings
(703) outer ring forms a cable-through hole (704) passed through for not disconnected conducting wire (4).
2. inner ring bearing-type according to claim 1 band line coaster, which is characterized in that the mounting ring (701) includes:
Upper half ring, the upper half ring include the upper fixing layer (7011) of semicircular, and fixed layer (7011) is around the peace
The axis for filling ring (701) is equipped with several upper axial troughs, and the part shaft (702) is fixed in the upper axial trough；
Lower semi-ring, one end of the lower semi-ring and the upper half ring are rotatablely connected, the other end and the retractable connection of the upper half ring；
The lower semi-ring includes the lower fixing layer (7013) of semicircular, and the lower fixing layer (7013) is around the mounting ring (701)
Axis is equipped with several lower axial troughs, remaining described shaft (702) is fixed in the lower axial trough.
3. inner ring bearing-type band line coaster according to claim 2, which is characterized in that pass through at the top of two upper half rings
One connecting rod (8) is affixed, and the bottom of the two lower semi-rings is affixed by another connecting rod (8).
4. inner ring bearing-type band line coaster according to claim 3, which is characterized in that the company being connect with the two lower semi-rings
The bottom of extension bar (8) is equipped with two pull rings (9).
5. inner ring bearing-type band line coaster according to claim 2, which is characterized in that
The upper half ring further includes two upper cover plates (7012), fixed layer (7011) be located at two upper cover plates (7012) it
Between, the upper cover plate (7012) and the lower fixing layer (7013) are rotatablely connected；
The lower semi-ring further includes two lower cover plates (7014), the lower fixing layer (7013) be located at two lower cover plates (7014) it
Between, the lower cover plate (7014) and fixed layer (7011) retractable connection.
6. inner ring bearing-type band line coaster according to claim 5, which is characterized in that further include:
The end of one end of axis of dilatation (705), the lower fixing layer (7013) and upper half ring rotation connection is protruded into described in two
Between upper cover plate (7012)；The axis of dilatation (705), which runs through and is rotationally connected with the lower fixing layer (7013), to be protruded into described in two
The upper cover plate (7012) of end and two between upper cover plate (7012).
7. inner ring bearing-type band line coaster according to claim 5, which is characterized in that further include:
It opening and closing bolt (706), one end of the lower cover plate (7014) and the retractable connection of the upper half ring is equipped with the first plug hole,
The end of one end of fixed layer (7011) and the lower retractable connection of semi-ring can protrude into two lower cover plates (7014)
Between and be equipped with second plug hole, the folding bolt (706) through it is described first plug hole and second plug hole to realize
State the fastening between fixing layer (7011) and lower cover plate (7014).
8. inner ring bearing-type band line coaster according to claim 1, which is characterized in that the cable-through hole (704) and installation
Ring (701) is coaxial, and the length direction of two connecting rods (8) is parallel with the axis direction of the mounting ring (701).
9. a kind of wire erection system, which is characterized in that including drawstring (10) and inner ring according to any one of claims 1 to 8
Bearing-type band line coaster, one end of the drawstring (10) and the inner ring bearing-type band line coaster are affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666862.0A CN110265925B (en) | 2019-07-23 | 2019-07-23 | Inner ring bearing type pulley with wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666862.0A CN110265925B (en) | 2019-07-23 | 2019-07-23 | Inner ring bearing type pulley with wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110265925A true CN110265925A (en) | 2019-09-20 |
| CN110265925B CN110265925B (en) | 2024-01-23 |
Family
ID=67927858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910666862.0A Active CN110265925B (en) | 2019-07-23 | 2019-07-23 | Inner ring bearing type pulley with wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110265925B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001336340A (en) * | 2000-05-31 | 2001-12-07 | Shu Kokuchu | Pulley block |
| CN104868397A (en) * | 2015-05-14 | 2015-08-26 | 国家电网公司 | Tumbling pulley used for crossing horizontally-arranged double-bundled conductor spacer |
| CN206099158U (en) * | 2016-10-24 | 2017-04-12 | 广东电网有限责任公司江门供电局 | Ice skating vehicle |
| CN208923728U (en) * | 2018-11-23 | 2019-05-31 | 安徽晋煤中能化工股份有限公司 | A kind of high-tension cable installation ancillary equipment |
| CN210041132U (en) * | 2019-07-23 | 2020-02-07 | 广东电网有限责任公司 | Inner ring bearing type belt line pulley and lead erecting system |
-
2019
- 2019-07-23 CN CN201910666862.0A patent/CN110265925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001336340A (en) * | 2000-05-31 | 2001-12-07 | Shu Kokuchu | Pulley block |
| CN104868397A (en) * | 2015-05-14 | 2015-08-26 | 国家电网公司 | Tumbling pulley used for crossing horizontally-arranged double-bundled conductor spacer |
| CN206099158U (en) * | 2016-10-24 | 2017-04-12 | 广东电网有限责任公司江门供电局 | Ice skating vehicle |
| CN208923728U (en) * | 2018-11-23 | 2019-05-31 | 安徽晋煤中能化工股份有限公司 | A kind of high-tension cable installation ancillary equipment |
| CN210041132U (en) * | 2019-07-23 | 2020-02-07 | 广东电网有限责任公司 | Inner ring bearing type belt line pulley and lead erecting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110265925B (en) | 2024-01-23 |
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