CN106711843A - Pole fitting erection device for climbing operation maintenance - Google Patents
Pole fitting erection device for climbing operation maintenance Download PDFInfo
- Publication number
- CN106711843A CN106711843A CN201611091290.0A CN201611091290A CN106711843A CN 106711843 A CN106711843 A CN 106711843A CN 201611091290 A CN201611091290 A CN 201611091290A CN 106711843 A CN106711843 A CN 106711843A
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- CN
- China
- Prior art keywords
- wall
- electric pole
- anchor ear
- connecting rod
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- 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
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a pole fitting erection device for climbing operation maintenance in the technical field of pole fittings. The pole fitting erection device comprises a wire pole, and is characterized in that the right wall of the wire pole is provided with an auxiliary hoop, the right wall of the auxiliary hoop is provided with a bracket, the right side of the top part of the bracket is provided with an inclined rod, the top part of the inclined rod is provided with a pulley, the outer wall of the pulley is provided with a lifting rope, the outer wall of a connecting rod is connected with a bevel gear, the left wall of the bevel gear is provided with a locking rod, the left wall of the locking rod is provided with a hoop, a lifting rod is arranged between the bracket and the hoop, the bottom part of the outer wall of the connecting rod is uniformly provided with helical teeth, the top end of the connecting rod is provided with an operating rod, and the top part of the operating rod is provided with a locking block, so that the stability is enhanced, the operation efficiency is improved, and the labor intensity is reduced. The pole fitting erection device is firm in connection, can fix equipment so as to prevent the equipment from dropping, and sufficiently guarantees the personal safety of operators.
Description
Technical field
The present invention relates to electric pole gold utensil technical field, specially a kind of electric pole gold utensil frame used for operation maintenance of ascending a height
If device.
Background technology
Gold utensil, power transmission line is widely used iron or aluminum metal-ware, is referred to as gold utensil.Most of gold utensil is in operation
Need to bear larger pulling force, what is had will also be while ensure that electrically aspect contact is good.Gold utensil species is various, and purposes is different, example
Such as, the various wire clamps of conducting wire, constitute the various links of insulator chain, and the various aluminium hydraulic pressed connecting pipes of connecting wire, repair sleeve divide
Various types of conductor spacers on wire etc. are split, in addition with all kinds of metal parts of pull wire of shaft tower, and as protection wire
Size is relevant, must work in coordination.It is related to the safety of wire or shaft tower, even if a damage, it is also possible to cause line fault.
Therefore, the quality of gold utensil, proper use of and installation, there is certain influence on the safe power transmission of circuit.Electric pole gold utensil include bracing wire rod,
Card beans, earth anchor, upper hyposphene, guy insulator, steel strand wires, two connecting plates, bracing wire anchor ear, cardioid ring this be that a set of bracing wire is used in electricity
On bar.General maintenance needs personnel are ascended a height operation on ground electric pole higher or support, and operation of ascending a height is generally used
Crane carries out operation, and in part during bar operation high, crane cannot be lifted by crane smoothly.Maintenance personal's labour intensity, workload are huge, nothing
Method meets increasing electric pole service work.Such as Chinese Patent Application No. is applied for a kind of 201420372428.4 power engineering
Work industry measuring instrument, belongs to technical field of electric power, and in particular to a kind of survey tool.The main measuring instrument includes insulating cement lid, absolutely
Edge bar, graduation mark, internal thread metal fastening member and annex；The measuring instrument uses telescopic structure, isometric exhausted by some sections
Edge bar is nested together；In the built-in tapped metal fastening member in the top of insulating bar, set attached in metal fastening member
Part.But maintenance personal's labour intensity, workload are huge, it is impossible to meet increasing electric pole service work.For example China is special
Electrical cables stringer is faced in a kind of job site of sharp Application No. 201520104321.6, belongs to the technology neck for installing cable machinery
Domain, faces that electrical cables installation cost is high, not manageable problem for solving existing job site.Electrical cables are faced in the job site
Stringer includes the connector on fixed enclosure wall at the construction field (site), and at least one is fixed with away from the side of enclosure wall in connector
Porcelain bottle insulators, porcelain bottle insulators are fixedly connected by fixture with connector.But maintenance personal's labour intensity, workload are huge
Greatly, it is impossible to meet the problem of increasing electric pole service work, in view of problem mentioned above, the present invention designs one kind to be used for
The electric pole gold utensil stringer that operation of ascending a height maintenance is used, it is mentioned above to solve the problems, such as.
The content of the invention
It is an object of the invention to provide a kind of electric pole gold utensil stringer used for operation maintenance of ascending a height, to solve
In above-mentioned background technology propose in part bar operation high, crane cannot be lifted by crane smoothly, maintenance personal's labour intensity, workload
It is huge, it is impossible to meet the problem of increasing electric pole service work.
To achieve the above object, the present invention provides following technical scheme：A kind of electric pole used for operation maintenance of ascending a height
Gold utensil stringer, including electric pole, the right wall of the electric pole are provided with auxiliary anchor ear, and the right wall of the auxiliary anchor ear is set
The top right side for having support, the support is provided with brace, and pulley is provided with the top of the brace, and the outer wall of the pulley sets
Lifting rope is equipped with, one end of the lifting rope is provided with connecting seat, and the connecting seat is arranged on the top of support, and the connecting seat is located at
The left side of brace, is provided with connecting rod on the left of the connecting seat, support is run through in the bottom of the connecting rod, the connecting rod
Bottom outer wall is connected with helical gear, and the helical gear left wall is provided with tight locking bar, and the left wall of the tight locking bar is provided with anchor ear,
The anchor ear is arranged on the outer wall of electric pole, and shadoof, the outer wall bottom of the connecting rod are provided between the support and anchor ear
Helical tooth is evenly arranged with, the top of the connecting rod is provided with action bars, locking block, institute are provided with the top of the action bars
The bottom for stating locking block is provided with bearing pin, and the bottom of the bearing pin is run through action bars, is provided with the top of the support and bearing pin
The groove being engaged.
Preferably, the auxiliary anchor ear is arcuate shape, and the inner chamber of the auxiliary anchor ear is evenly arranged with roller supporting bar,
Rotating shaft is provided between roller supporting bar described in two groups, and the outer wall of rotating shaft is provided with roller.
Preferably, the helical gear outer wall is provided with through hole, and the inwall of the through hole is provided with bearing, the helical gear
Outer wall be evenly arranged with circular hole, and circular hole is arranged around the even circumferential of through hole, and the helical gear outer circumferential walls are uniformly arranged
There is helical teeth.
Preferably, one end of the anchor ear is provided with L-type clasp, and the other end of the anchor ear is provided with button block, described tight
Locking bar extends through L-type clasp and button block, and the top of the tight locking bar is fitted with the outer wall of electric pole.
Preferably, the roller is provided with three groups, and the structure of three groups of rollers is identical.
Compared with prior art, the beneficial effects of the invention are as follows：The work that the present invention can substantially reduce operating personnel is strong
Degree, improves operating efficiency, rational in infrastructure, can significantly improve efficiency of construction, and techno-economic effect is good, electric pole gold utensil of the present invention
By rotation process bar, action bars drives connecting rod to rotate to stringer, helical tooth and the helical gear outer wall of connecting rod outer wall
Helical teeth coordinates, and helical gear is locked by tight locking bar with the outer wall for pushing against electric pole, conversely causes tight locking bar away from electric pole,
So that anchor ear is fastened, the loosening to anchor ear is realized, by support fixing card on utility poles, as suspension centre, facilitate crane bar high to rise
Cross-arm is hung, to strengthen stability, operating efficiency is improved, labour intensity, electric pole gold utensil stringer of the present invention, connection jail is reduced
Gu, equipment can be fixed, prevent it from dropping, fully ensure the personal safety of operating personnel.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is connecting rod structural representation of the present invention；
Fig. 3 is present invention auxiliary hooping structure schematic diagram；
Fig. 4 is helical gear structural representation of the present invention；
Fig. 5 is hooping structure schematic diagram of the present invention.
In figure：1 electric pole, 2 auxiliary anchor ears, 21 roller supporting bars, 22 rollers, 3 supports, 4 braces, 5 pulleys, 6 lifting ropes, 7
Connecting seat, 8 shadoofs, 9 connecting rods, 10 helical gears, 101 through holes, 102 bearings, 103 circular holes, 104 helical teeth, 11 tight locking bars, 12 armfuls
Hoop, 121L types clasp, 122 button blocks, 13 helical tooths, 14 action bars, 15 locking blocks, 16 bearing pins, 17 grooves.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-5 are referred to, the present invention provides a kind of technical scheme：A kind of electric pole gold utensil used for operation maintenance of ascending a height
Stringer, including electric pole 1, the right wall of the electric pole 1 are provided with auxiliary anchor ear 2, and the right wall of the auxiliary anchor ear 2 is set
The top right side for having support 3, the support 3 is provided with brace 4, and the top of the brace 4 is provided with pulley 5, the pulley 5
Outer wall is provided with lifting rope 6, and one end of the lifting rope 6 is provided with connecting seat 7, and the connecting seat 7 is arranged on the top of support 3, institute
Connecting seat 7 is stated positioned at the left side of brace 4, the left side of the connecting seat 7 is provided with connecting rod 9, and the bottom of the connecting rod 9 is run through
Support 3, the bottom outer wall of the connecting rod 9 is connected with helical gear 10, and the left wall of the helical gear 10 is provided with tight locking bar 11, institute
The left wall for stating tight locking bar 11 is provided with anchor ear 12, and the anchor ear 12 is arranged on the outer wall of electric pole 1, the support 3 and anchor ear 12
Between be provided with shadoof 8, the outer wall bottom even of the connecting rod 9 is provided with helical tooth 13, and the top of the connecting rod 9 is set
The top for having action bars 14, the action bars 14 is provided with locking block 15, and the bottom of the locking block 15 is provided with bearing pin 16, institute
The bottom of bearing pin 16 is stated through action bars 14, the top of the support 3 is provided with the groove 17 being engaged with bearing pin 16.
Wherein, the auxiliary anchor ear 2 is arcuate shape, and the inner chamber of the auxiliary anchor ear 2 is evenly arranged with roller supporting bar
21, rotating shaft is provided between roller supporting bar 21 described in two groups, and the outer wall of rotating shaft is provided with roller 22, when support 3 is by lifting rope 6
When lifting, it is easy to support 3 to move up, the outer wall of the helical gear 10 is provided with through hole 101, and the inwall of the through hole 101 sets
Bearing 102 is equipped with, is easy to the connection between helical gear 10 and tight locking bar 11, the outer wall of the helical gear 10 is evenly arranged with circular hole
103, and circular hole 103, around the even circumferential arrangement of through hole 101, the outer circumferential walls of the helical gear 10 are evenly arranged with helical teeth 104,
Circular hole 103 outside the wall of helical gear 10 setting, saves material, and one end of the anchor ear 12 is provided with L-type clasp 121, described armful
The other end of hoop 12 is provided with button block 122, and the tight locking bar 11 extends through L-type clasp 121 and button block 122, the tight locking bar
11 top is fitted with the outer wall of electric pole 1, and button block 122 and L-type clasp 121 are tightly locked by tight locking bar 11, fixed to embrace
Hoop 12 and electric pole 1, the roller 22 is provided with three groups, and the structure of three groups of rollers 22 is identical, is easy to support 3 to move up.
Operation principle：Electric pole gold utensil stringer of the present invention drives 9 turns of connecting rod by rotation process bar 14, action bars 14
Dynamic, helical tooth 13 and the helical teeth 104 of the outer wall of helical gear 10 of the outer wall of connecting rod 9 coordinate, so that the rotation of helical gear 10 is driven, tiltedly
Gear 10 drives tight locking bar 11, tight locking bar 11 to extend through L-type clasp 121 and button block 122 and locked with the outer wall of electric pole 1
Tightly, conversely cause tight locking bar 11 away from electric pole 1 so that anchor ear 12 is fastened, and realizes the loosening to anchor ear 12, and support 3 is fixed
It is stuck on electric pole 1, as suspension centre, facilitates crane bar lifting cross-arm high, when lifting operation is carried out, lifting reaches required position
When, loop wheel machine is stretched by lifting rope 6, drives support 3 to move up, and lifting rope 6 is wound on the outer wall of pulley 5, and pulley 5 is arranged on
The brace 4 being tilted to the left, and one end of lifting rope 6 is vertically set on the top of connecting seat 7, after anchor ear 12 is fixed, can be by adjusting
Section locking block 15 causes that action bars 14 is locked at the inner chamber of groove 17, realizes locking.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of electric pole gold utensil stringer used for operation maintenance of ascending a height, including electric pole (1), it is characterised in that：Institute
The right wall for stating electric pole (1) is provided with auxiliary anchor ear (2), and the right wall of auxiliary anchor ear (2) is provided with support (3), the branch
The top right side of frame (3) is provided with brace (4), and pulley (5), the outer wall of the pulley (5) are provided with the top of the brace (4)
Lifting rope (6) is provided with, one end of the lifting rope (6) is provided with connecting seat (7), and the connecting seat (7) is arranged on the top of support (3)
Portion, the connecting seat (7) is provided with connecting rod (9), the connection on the left of the left side of brace (4), the connecting seat (7)
Support (3) is run through in the bottom of bar (9), and the bottom outer wall of the connecting rod (9) is connected with helical gear (10), the helical gear (10)
Left wall be provided with tight locking bar (11), the left wall of the tight locking bar (11) is provided with anchor ear (12), and the anchor ear (12) is arranged on
The outer wall of electric pole (1), is provided with shadoof (8), the outer wall bottom of the connecting rod (9) between the support (3) and anchor ear (12)
Portion is evenly arranged with helical tooth (13), and the top of the connecting rod (9) is provided with action bars (14), the top of the action bars (14)
Portion is provided with locking block (15), and the bottom of the locking block (15) is provided with bearing pin (16), and the bottom of the bearing pin (16) is run through
Action bars (14), is provided with the groove (17) being engaged with bearing pin (16) at the top of the support (3).
2. according to claim 1 a kind of for the operation electric pole gold utensil stringer that uses of maintenance of ascending a height, its feature exists
In：Auxiliary anchor ear (2) is arcuate shape, and the inner chamber of the auxiliary anchor ear (2) is evenly arranged with roller supporting bar (21), two
Rotating shaft is provided between the group roller supporting bar (21), and the outer wall of rotating shaft is provided with roller (22).
3. according to claim 1 a kind of for the operation electric pole gold utensil stringer that uses of maintenance of ascending a height, its feature exists
In：The outer wall of the helical gear (10) is provided with through hole (101), and the inwall of the through hole (101) is provided with bearing (102), institute
The outer wall for stating helical gear (10) is evenly arranged with circular hole (103), and circular hole (103) is arranged around the even circumferential of through hole (101), institute
The outer circumferential walls for stating helical gear (10) are evenly arranged with helical teeth (104).
4. according to claim 1 a kind of for the operation electric pole gold utensil stringer that uses of maintenance of ascending a height, its feature exists
In：One end of the anchor ear (12) is provided with L-type clasp (121), and the other end of the anchor ear (12) is provided with button block (122),
The tight locking bar (11) extends through L-type clasp (121) and button block (122), top and the electric pole (1) of the tight locking bar (11)
Outer wall laminating.
5. according to claim 2 a kind of for the operation electric pole gold utensil stringer that uses of maintenance of ascending a height, its feature exists
In：The roller (22) is provided with three groups, and the structure of three groups of rollers (22) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091290.0A CN106711843A (en) | 2016-12-01 | 2016-12-01 | Pole fitting erection device for climbing operation maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091290.0A CN106711843A (en) | 2016-12-01 | 2016-12-01 | Pole fitting erection device for climbing operation maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106711843A true CN106711843A (en) | 2017-05-24 |
Family
ID=58934376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611091290.0A Pending CN106711843A (en) | 2016-12-01 | 2016-12-01 | Pole fitting erection device for climbing operation maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711843A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272307A (en) * | 2016-08-30 | 2017-01-04 | 国网山东省电力公司蓬莱市供电公司 | Tool kit fixed mount on a kind of bar |
| CN107404056A (en) * | 2017-09-12 | 2017-11-28 | 国网山东省电力公司潍坊供电公司 | Ground wire installs device backup actuating device |
| CN108919293A (en) * | 2018-09-28 | 2018-11-30 | 广东电网有限责任公司 | Monitoring by Lidar device and electric pole |
| CN112796652A (en) * | 2020-12-30 | 2021-05-14 | 国网青海省电力公司海南供电公司 | Pole cat ladder platform device safety base |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10102823A (en) * | 1996-09-30 | 1998-04-21 | Toko Denki Koji Kk | Derrick device for replacing work for cross arm of transmission tower and replacing method for cross arm using the same |
| CN101481069A (en) * | 2008-12-10 | 2009-07-15 | 三一电气有限责任公司 | Climbing device, climbing system, climbing lifting system and climbing method |
| CN201779102U (en) * | 2010-07-07 | 2011-03-30 | 李一品 | Diameter-variable anchor ear |
| CN202474699U (en) * | 2012-03-14 | 2012-10-03 | 郝洪峰 | Portable heavy object transmitter for telegraph pole |
| CN203278097U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Electric pole cross arm erecting device |
| CN103482461A (en) * | 2013-09-27 | 2014-01-01 | 无锡市新华起重工具有限公司 | Shackle with pin shaft thread anti-rotation structure |
| CN203560217U (en) * | 2013-09-25 | 2014-04-23 | 国家电网公司 | Adjustable type semicircular hoop |
| CN203760908U (en) * | 2013-11-27 | 2014-08-06 | 国家电网公司 | Cement pole crossarm installation tool |
| CN203875727U (en) * | 2014-05-21 | 2014-10-15 | 嘉兴职业技术学院 | Control mechanism for workbench of grinding machine |
| CN105071296A (en) * | 2015-09-08 | 2015-11-18 | 国家电网公司 | Structurally-improved high-voltage distribution line rod pole-mounted line hoisting device |
| CN105314553A (en) * | 2015-10-20 | 2016-02-10 | 国家电网公司 | Electric pole hardware fittings erecting device used for operation and overhaul on high |
-
2016
- 2016-12-01 CN CN201611091290.0A patent/CN106711843A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10102823A (en) * | 1996-09-30 | 1998-04-21 | Toko Denki Koji Kk | Derrick device for replacing work for cross arm of transmission tower and replacing method for cross arm using the same |
| CN101481069A (en) * | 2008-12-10 | 2009-07-15 | 三一电气有限责任公司 | Climbing device, climbing system, climbing lifting system and climbing method |
| CN201779102U (en) * | 2010-07-07 | 2011-03-30 | 李一品 | Diameter-variable anchor ear |
| CN202474699U (en) * | 2012-03-14 | 2012-10-03 | 郝洪峰 | Portable heavy object transmitter for telegraph pole |
| CN203278097U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Electric pole cross arm erecting device |
| CN203560217U (en) * | 2013-09-25 | 2014-04-23 | 国家电网公司 | Adjustable type semicircular hoop |
| CN103482461A (en) * | 2013-09-27 | 2014-01-01 | 无锡市新华起重工具有限公司 | Shackle with pin shaft thread anti-rotation structure |
| CN203760908U (en) * | 2013-11-27 | 2014-08-06 | 国家电网公司 | Cement pole crossarm installation tool |
| CN203875727U (en) * | 2014-05-21 | 2014-10-15 | 嘉兴职业技术学院 | Control mechanism for workbench of grinding machine |
| CN105071296A (en) * | 2015-09-08 | 2015-11-18 | 国家电网公司 | Structurally-improved high-voltage distribution line rod pole-mounted line hoisting device |
| CN105314553A (en) * | 2015-10-20 | 2016-02-10 | 国家电网公司 | Electric pole hardware fittings erecting device used for operation and overhaul on high |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272307A (en) * | 2016-08-30 | 2017-01-04 | 国网山东省电力公司蓬莱市供电公司 | Tool kit fixed mount on a kind of bar |
| CN107404056A (en) * | 2017-09-12 | 2017-11-28 | 国网山东省电力公司潍坊供电公司 | Ground wire installs device backup actuating device |
| CN107404056B (en) * | 2017-09-12 | 2023-06-23 | 国网山东省电力公司潍坊供电公司 | Auxiliary operating device for ground wire installation device |
| CN108919293A (en) * | 2018-09-28 | 2018-11-30 | 广东电网有限责任公司 | Monitoring by Lidar device and electric pole |
| CN112796652A (en) * | 2020-12-30 | 2021-05-14 | 国网青海省电力公司海南供电公司 | Pole cat ladder platform device safety base |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |