CN108988200A - The method of somersault coaster is hung and taken on a kind of somersault coaster and overhead transmission line - Google Patents
The method of somersault coaster is hung and taken on a kind of somersault coaster and overhead transmission line Download PDFInfo
- Publication number
- CN108988200A CN108988200A CN201810819555.7A CN201810819555A CN108988200A CN 108988200 A CN108988200 A CN 108988200A CN 201810819555 A CN201810819555 A CN 201810819555A CN 108988200 A CN108988200 A CN 108988200A
- Authority
- CN
- China
- Prior art keywords
- hook body
- somersault coaster
- opening
- locking plate
- hook
- 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.)
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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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Abstract
The present invention relates to a kind of methods that somersault coaster is hung and taken on somersault coaster and overhead transmission line, the fixed pulley including linking up with, set on hook lower end and the closure locking plate set on top is linked up with and with being slidably connected on the outside of hook；The hook includes the lower hook body for the L-shaped structure being fixedly connected and the upper hook body in inverted "L" shape；The upper hook body and lower hook body complement each other to form an opening and accommodate the groove of conducting wire；The side of the lower hook body towards opening is set as arc；The closure locking plate is integrally in down " recessed " type structure, is slidably connected to the hook top outer wall, can move up and down the opening of opening or the closing hook；A link is fixedly connected at the top of the closure locking plate.
Description
Technical field
The present invention relates to engineering machinery fields and electric line foreign matter clearance technique field, and in particular to a kind of somersault coaster
And the method that somersault coaster is hung and taken on overhead transmission line.
Background technique
Overhead transmission line is one of important component of electric system, carries the critical function of power Transmission, main
It to be made of the part such as conducting wire, aerial earth wire, insulator chain, shaft tower, earthing or grounding means.Its any component part goes wrong, all
The safe and stable operation of transmission line of electricity will be directly influenced.However electric transmission line erection is subjected to natural conditions in field all the year round
With the influence of surrounding environment, therefore can occur often damage to crops caused by thunder, bird pest, pollution flashover, ice dodge and external force destroy etc. accidents.
In recent years, with the rapid growth of building, the construction point near overhead transmission line increases therewith, and external force destruction causes to lead
The phenomenon that line is stranded, broken lot is commonplace, to ensure line security stable operation, should repair in time to damaged conductor.?
In conducting wire mending work, ground operation personnel needs somersault coaster sliding to conducting wire injury region along conducting wire, then insulated flexible ladder is hung
It rises and is hung up properly on conducting wire, conducting wire mending work could enter route along insulated flexible ladder, carry out patch work.By overhead transmission line institute
It is different to locate environment, (such as river, lake, the woods, aedicula) can be walked below not every line channel.At this time
Need to hang rope ladder head near tower body using another operational method, there are tricing line on cross-arm, wait operating personnels into
After entering terraced head, slides to mend and repaired.No matter which kind of method, staff cannot reach setting, Qian Zheshou quickly
Such environmental effects, the latter can then consume a large amount of physical strength of staff, there is drawback.So how to make fall coaster first
Time reaches injury region, just becomes problem to be solved.
In 220kV and transmission line of electricity below, the connection type of solid conductor or double bundle conductor is generallyd use.Due to
The specification of conducting wire is limited, and operating personnel can not reach injury region by way of cabling, this just needs to be repaired by terraced head
Mend work.It is hung on conducting wire if will have one's hair cut, then needs to match by somersault coaster with insulating cord.Somersault is hung on usual conducting wire
Coaster is the cross-arm that a base shaft tower adjacent with injury region is climbed up by an operating personnel, will be required with insulation coaster and insulating cord
Somersault coaster and insulating bar be transferred on tower, last the tower operator use insulating bar, insulating cord will be had
Somersault coaster hang and need to repair on the conducting wire of phase.The difficult point of whole process is that hanging for insulating bar, in order to protect
The length of card safety, insulating bar is provided commonly greater than minimum safe distance, after having hung somersault coaster, can give operation band
It is greatly inconvenient to come, and along with operation field is in outdoor, is easy to be affected by wind, so that it is more difficult entirely to hang process
It is difficult.Conventional somersault coaster hangs and takes that there are three big drawbacks: 1. conventional somersault coasters are heavier, hang and take inconvenience.2. without sealing, be easy from
Conducting wire abjection.3. it is cumbersome to hang and take operation, time-consuming and laborious.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the present invention is intended to provide unmanned plane hangs and takes somersault coaster on a kind of overhead transmission line
Method, the somersault coaster own wt in this method is lighter, has preferable flexibility in operation process, after under tension
Be not easy to deviate from from conducting wire, it is ensured that terraced head can smoothly pull on conducting wire, while using this method hang and take somersault coaster it is time saving and energy saving and
It is not influenced by line channel environment.
Technical scheme is as follows:
A kind of somersault coaster, including linking up with, set on hook lower end fixed pulley and be set to hook top and with hook is outer breaks away
The closure locking plate of dynamic connection；The hook includes the lower hook body of L-shaped structure being fixedly connected and rising to the bait in inverted "L" shape
Body；The lower hook body and upper hook body complement each other to form an opening and accommodate the groove of conducting wire；The lower hook body direction opening
Side is set as arc；The closure locking plate is integrally in down " recessed " type structure, is slidably connected to the hook top outer wall, can
It moves up and down and then realizes the opening for opening or closing the hook；A link is fixedly connected at the top of the closure locking plate.
Wherein, live-roller is provided in the groove of the hook；One roll shaft is fixedly connected on institute after passing through the live-roller
On the inner sidewall for stating lower hook body and upper hook body vertical direction.
Wherein, several Horizontal limiting columns are provided on the lateral wall of the lower hook body vertical direction；The upper hook body is vertical
Several Horizontal limiting columns are similarly provided on the lateral wall in direction；On the outside of the both ends of the closure locking plate vertical direction setting
It is provided on wall and accommodates the strip through-hole that Horizontal limiting column moves up and down.
Wherein, the closure locking plate is outward extended with the locking end of an arc close to the end of opening, with the lower hook
Body arc side is bonded to each other, and then opens or close opening.
Wherein, the upper hook body is provided with the long hole for running through side wall from top to bottom on the vertical direction side wall of opening；
Several Horizontal limiting columns are provided on the side wall of the lower hook body vertical direction；The closure locking plate is worn close to the end of opening
It can be slided up and down along long hole after crossing the long hole；The closure locking plate is limited far from receiving level is provided on the end of opening
The strip through-hole that position column moves up and down；The card slot of an indent is provided on the arc side of the lower hook body direction opening；It is described
Closure locking plate can move down in insertion card slot close to the end of opening along long hole.
Wherein, the somersault coaster is made of aluminum and aluminum alloy mateial.
A kind of method that somersault coaster is hung and taken on overhead transmission line, a rope pass through the link at the top of somersault coaster, pass through institute
It states rope somersault coaster is connected on unmanned plane, using the tractive force for the unmanned plane for carrying camera system and navigation system, press
Somersault coaster is hung up by manual operation unmanned plane by the conducting wire of overhead transmission line according to preset route.
Wherein, the somersault coaster uses above-mentioned somersault coaster.
The invention has the following beneficial effects:
1, somersault coaster is hung and taken using unmanned plane in the present invention, operating process is easy, and workload is lacked the time and relatively fixed, and usually only needs
20 minutes or so, operating process was easy, security risk was not present, so that somersault coaster hangs and takes not by line channel environment
It influences.
2, the present invention improves conventional somersault coaster, and closure locking plate, Neng Gou are increased on somersault coaster
The automatic closure that somersault coaster is realized during hanging and taking, deviates from from conducting wire after preventing somersault coaster under tension, it is ensured that ladder
Head can smoothly pull on conducting wire；Somersault coaster is made using the material of lightweight and high intensity, there is preferable spirit in operation process
Activity.
Detailed description of the invention
Fig. 1 is the front view that 1 somersault coaster split shed of the embodiment of the present invention is opened；
Fig. 2 is the front view of 2 somersault coaster split shed of embodiment of the present invention closure；
Fig. 3 is the left view of somersault coaster in Example 1 and Example 2 of the present invention.
1, it links up with；11, lower hook body；12, upper hook body；121, card slot；13, it is open；14, groove；15, Horizontal limiting column；16,
Long hole；2, fixed pulley；3, it is closed locking plate；31, end；32, strip through-hole；33, locking end；4, link；5, live-roller；51, roller
Axis.
Specific embodiment
Embodiment 1
Referring to Fig. 1 and Fig. 3, a kind of somersault coaster, including hook 1, set on the fixed pulley 2 of 1 lower end of hook and on hook 1
Portion and the closure locking plate 3 being slidably connected with 1 outside of hook；The fixed pulley 2 is for connecting rope ladder；The hook 1 includes fixing
The lower hook body 11 and upper hook body 12 in inverted "L" shape of the L-shaped structure of connection；12 phase interworking of the lower hook body 11 and upper hook body
Close the groove 14 for forming an opening 13 and accommodating conducting wire；Several horizontal limits are provided on the side wall of 11 vertical direction of lower hook body
Position column 15；Several Horizontal limiting columns 15 are similarly provided on the side wall of 12 vertical direction of upper hook body；The closure locking plate 3
Entirety is slidably connected to 1 top outer wall of the hook in " recessed " type structure；The closure locking plate 3 includes two vertical sides
To the end of setting 31, both ends 31 are close with the side wall of 12 vertical direction of lower hook body 11 and upper hook body respectively, both ends 31
It is provided on lateral wall and accommodates the strip through-hole 32 that Horizontal limiting column 15 moves up and down, and then realize closure locking plate 3 and hook 1
Between be slidably connected, closure locking plate 3 can drill strip through-hole 32 in the vertical direction and move up and down；11 direction of lower hook body
The side of opening 13 is set as arc；End 31 of the closure locking plate 3 at opening 13 is outward extended with the lock of an arc
Not-go-end 33；When closure locking plate 3 moves down, locking end 33 can be bonded to each other with the 11 arc side of lower hook body, and then closed and opened
Mouth 13；When closure locking plate 3 moves up, locking end 33 is located remotely from each other with the 11 arc side of lower hook body, and then opens opening 13.
Wherein, the top of the closure locking plate 3 is fixedly connected with a link 4；The link 4 for connect after rope with nobody
Machine connection；Live-roller 5 is provided in the groove 14 at 1 top of hook；One roll shaft 51 is fixedly connected after passing through the live-roller 5
On the inner sidewall of 12 vertical direction of the lower hook body 11 and upper hook body；The live-roller 5 can be rotated around roll shaft 51；Work as hook
1 when being hung on conducting wire, links up with live-roller 5 and conducting wire in 1 groove 14 and rolls and connects, rubbing between conducting wire and live-roller 5
Wiping coefficient is smaller, so that sliding of the hook 1 on conducting wire is more smooth and also smaller to the abrasion of conducting wire, prevents
Conducting wire is caused to damage in somersault coaster sliding process.
Embodiment 2
Referring to figs. 2 and 3, a kind of somersault coaster, including hook 1, set on the fixed pulley 2 of 1 lower end of hook and on hook 1
Portion and the closure locking plate 3 being slidably connected with 1 outside of hook；The fixed pulley 2 is for connecting rope ladder；The hook 1 includes fixing
The lower hook body 11 and upper hook body 12 in inverted "L" shape of the L-shaped structure of connection；12 phase interworking of the lower hook body 11 and upper hook body
Close the groove 14 for forming an opening 13 and accommodating conducting wire；The side of the lower hook body 11 towards opening 13 is set as arc；It is described
Upper hook body 12 is provided with the long hole 16 for running through side wall from top to bottom on the vertical direction side wall of 13 sides of opening；The lower hook
Body 11 is provided with several Horizontal limiting columns 15 on the vertical direction side wall far from 13 sides of opening；The closure locking plate 3 is whole to be in
" recessed " type structure is slidably connected to 1 top outer wall of the hook；The lower hook body 11 towards opening 13 arc side on
It is provided with the card slot 121 of an indent；The closure locking plate 3 includes the end 31 of two vertical directions setting, far from opening 13
It is provided on one end 31 and accommodates the strip through-hole 32 that Horizontal limiting column 15 moves up and down, the one end 31 close to opening 13 injects
In long hole 16,31 length of end injected in long hole 16 is greater than the length of long hole 16, is inserted into card slot 121 after may pass through long hole 16
It is interior, and then close opening 13.
Wherein, the top of the closure locking plate 3 is fixedly connected with a link 4；The link 4 for connect after rope with nobody
Machine connection；Live-roller 5 is provided in the groove 14 at 1 top of hook；One roll shaft 51 is fixedly connected after passing through the live-roller 5
On the side wall of 12 vertical direction of the lower hook body 11 and upper hook body；The live-roller 5 can be rotated around roll shaft 51；When hook 1
When being hung on conducting wire, the live-roller 5 and conducting wire linked up in 1 groove 14 roll connection, the friction between conducting wire and live-roller 5
Coefficient is smaller so that 1 sliding on conducting wire of hook is more smooth and also smaller to the abrasion of conducting wire, prevent with
Conducting wire is caused to damage in bucket coaster sliding process.
The somersault coaster of above embodiments is made of aluminum and aluminum alloy mateial, realizes the mesh of itself loss of weight of somersault coaster
, there is preferable flexibility in operation process.
The working principle of the invention:
The process for hanging somersault coaster is as follows: firstly, hanging on unmanned plane after a flexible rope is passed through the fixation of link 4, even
Connect unmanned plane and somersault coaster；Rope ladder is connected on fixed pulley 2, manual operation unmanned plane takes off, at this time due to unmanned plane to
On tractive force effect, closure locking plate 3 is sliding on the two sidewalls along 1 vertical direction of hook, due to Horizontal limiting column 15 and bar shaped
The engaging of through-hole 32, closure locking plate 3 will not be separated with hook 1, and enable to the opening 13 of hook 1 in operation always
Locate opening state；Secondly, finding the place for needing to repair on conducting wire according to the picture of unmanned plane camera system real-time Transmission, operate
Unmanned plane adjustment height and direction enable conducting wire to enter in groove 14 by the opening 13 of hook 1, at this point, rope is unclamped,
After losing the traction of unmanned plane, closure locking plate 3 due to self gravity effect along hook 1 vertical direction two sidewalls move down,
The locking end 33 of arc can be bonded to each other (one end of the close opening 13 of closure locking plate 3 with the side of 11 arc of lower hook body
Portion 31 moves down in insertion card slot 121), 13 closing of opening；Finally, somersault coaster is hung on the conducting wire of overhead transmission line, is made
Industry personnel are fixed on a fixture on one side by rope ladder, and the another side by climbing rope ladder is climbed up rope ladder progress eminence and repaired
Mend the operation of conducting wire.
Take the process of somersault coaster as follows: the rope that the staff operated on rope ladder passes through link 4 is covered at nobody
On machine, unmanned plane and somersault coaster being reconnected, then rope ladder under staff, operation unmanned plane pulls up closure locking plate 3,
Due to the effect of the tractive force of unmanned plane, locking plate 3 is closed along sliding, the locking end of arc on the two sidewalls of 1 vertical direction of hook
33 separate that (closure locking plate 3 moves up disengaging card slot close to the one end 31 of opening 13 with the side of 11 arc of lower hook body
121), opening 13 is opened, so that conducting wire is deviate from out of hook 1 opening 13, separates somersault coaster and conducting wire, and it is sliding to remove somersault
Vehicle.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included in protection scope of the present invention.
Claims (8)
1. a kind of somersault coaster, it is characterised in that: including hook (1), be set to the fixed pulley (2) of hook (1) lower end and be set to
Hook (1) top and the closure locking plate (3) being slidably connected with hook (1) outside；It is described hook (1) include be fixedly connected be in
The lower hook body (11) of L-shaped structure and upper hook body (12) in inverted "L" shape；The lower hook body (11) and upper hook body (12) phase interworking
Close the groove (14) for forming an opening (13) and accommodating conducting wire；The side of the lower hook body (11) towards opening (13) is set as arc
Shape；The closure locking plate (3) integrally in " recessed " type structure is fallen, is slidably connected to described hook (1) top outer wall, can on move down
The opening (13) of the hook (1) is opened or is closed in dynamic and then realization；A link is fixedly connected at the top of the closure locking plate (3)
(4).
2. somersault coaster according to claim 1, it is characterised in that: be provided with biography in the groove (14) of the hook (1)
Dynamic roller (5)；One roll shaft (51) is fixedly connected on the lower hook body (11) after passing through the live-roller (5) and upper hook body (12) is vertical
On the inner sidewall in direction.
3. somersault coaster according to claim 2, it is characterised in that: on the lateral wall of lower hook body (11) vertical direction
It is provided with several Horizontal limiting columns (15)；Several levels are similarly provided on the lateral wall of upper hook body (12) vertical direction
Limited post (15)；Receiving level limit is provided on both ends (31) lateral wall of closure locking plate (3) the vertical direction setting
The strip through-hole (32) that position column (15) moves up and down.
4. somersault coaster according to claim 3, it is characterised in that: the closure locking plate (3) is at opening (13)
End (31) is outward extended with the locking end (33) of an arc, is bonded to each other with the lower hook body (11) arc side, and then beat
Open or close opening (13).
5. somersault coaster according to claim 2, it is characterised in that: the upper hook body (12) is vertical close to opening (13)
The long hole (16) for running through side wall from top to bottom is provided on the side wall of direction；It is arranged on the side wall of lower hook body (11) vertical direction
There are several Horizontal limiting columns (15)；End (31) of closure locking plate (3) at opening (13) passes through the long hole (16)
After can be slided up and down along long hole (16)；Receiving is provided on end (31) at the separate opening (13) of closure locking plate (3)
The strip through-hole (32) that Horizontal limiting column (15) moves up and down；It is set on the arc side of lower hook body (11) the direction opening (13)
It is equipped with the card slot (121) of an indent；End (31) of closure locking plate (3) at opening (13) can be along under long hole (16)
It moves in insertion card slot (121).
6. somersault coaster according to claim 1, it is characterised in that: the somersault coaster uses aluminum and aluminum alloy mateial system
At.
7. hanging and taking the method for somersault coaster on a kind of overhead transmission line, it is characterised in that: a rope passes through the extension at the top of somersault coaster
Somersault coaster is connected on unmanned plane by ring (4) by the rope, utilizes the unmanned plane for carrying camera system and navigation system
Tractive force, somersault coaster is hung up by manual operation unmanned plane by the conducting wire of overhead transmission line according to preset route.
8. a kind of method as hung and taken somersault coaster on claim 7 overhead transmission line, it is characterised in that: the somersault coaster uses
The somersault coaster of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819555.7A CN108988200A (en) | 2018-07-24 | 2018-07-24 | The method of somersault coaster is hung and taken on a kind of somersault coaster and overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819555.7A CN108988200A (en) | 2018-07-24 | 2018-07-24 | The method of somersault coaster is hung and taken on a kind of somersault coaster and overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108988200A true CN108988200A (en) | 2018-12-11 |
Family
ID=64550395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810819555.7A Pending CN108988200A (en) | 2018-07-24 | 2018-07-24 | The method of somersault coaster is hung and taken on a kind of somersault coaster and overhead transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108988200A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531554A (en) * | 2020-10-26 | 2021-03-19 | 国网浙江省电力有限公司杭州供电公司 | Precise hanging double-trolley system and method based on unmanned aerial vehicle |
| CN113964722A (en) * | 2021-10-29 | 2022-01-21 | 国网浙江省电力有限公司金华供电公司 | Tackle adopting unmanned aerial vehicle to independently hang and detach and operation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05328553A (en) * | 1992-05-20 | 1993-12-10 | Hiroshima Kensetsu Kogyo Kk | Cable pulley unit equipped with cable braking mechanism |
| CN102055145A (en) * | 2010-11-03 | 2011-05-11 | 湖州电力局 | Open-close type double-end pulley |
| CN103986086A (en) * | 2014-04-14 | 2014-08-13 | 国家电网公司 | Arc suppression tackle for disconnecting and connecting drainage thread in transformer substation in charged mode |
| CN104734073A (en) * | 2015-04-17 | 2015-06-24 | 国网辽宁省电力有限公司辽阳供电公司 | Remote-control spray gun for disposing foreign matters on wires in live-line manner |
| CN105390986A (en) * | 2015-12-02 | 2016-03-09 | 国网内蒙古东部电力有限公司检修分公司 | Suspension device of insulated hanging ladder |
| CN205335750U (en) * | 2016-01-14 | 2016-06-22 | 国家电网公司 | Sliding trolley device |
-
2018
- 2018-07-24 CN CN201810819555.7A patent/CN108988200A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05328553A (en) * | 1992-05-20 | 1993-12-10 | Hiroshima Kensetsu Kogyo Kk | Cable pulley unit equipped with cable braking mechanism |
| CN102055145A (en) * | 2010-11-03 | 2011-05-11 | 湖州电力局 | Open-close type double-end pulley |
| CN103986086A (en) * | 2014-04-14 | 2014-08-13 | 国家电网公司 | Arc suppression tackle for disconnecting and connecting drainage thread in transformer substation in charged mode |
| CN104734073A (en) * | 2015-04-17 | 2015-06-24 | 国网辽宁省电力有限公司辽阳供电公司 | Remote-control spray gun for disposing foreign matters on wires in live-line manner |
| CN105390986A (en) * | 2015-12-02 | 2016-03-09 | 国网内蒙古东部电力有限公司检修分公司 | Suspension device of insulated hanging ladder |
| CN205335750U (en) * | 2016-01-14 | 2016-06-22 | 国家电网公司 | Sliding trolley device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531554A (en) * | 2020-10-26 | 2021-03-19 | 国网浙江省电力有限公司杭州供电公司 | Precise hanging double-trolley system and method based on unmanned aerial vehicle |
| CN113964722A (en) * | 2021-10-29 | 2022-01-21 | 国网浙江省电力有限公司金华供电公司 | Tackle adopting unmanned aerial vehicle to independently hang and detach and operation method |
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Application publication date: 20181211 |