CN202474691U - Pulley component for overturning type tackle device - Google Patents
Pulley component for overturning type tackle device Download PDFInfo
- Publication number
- CN202474691U CN202474691U CN2012200935585U CN201220093558U CN202474691U CN 202474691 U CN202474691 U CN 202474691U CN 2012200935585 U CN2012200935585 U CN 2012200935585U CN 201220093558 U CN201220093558 U CN 201220093558U CN 202474691 U CN202474691 U CN 202474691U
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- pulley
- pulley component
- convertible
- lead
- ground wire
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Abstract
The utility model relates to a pulley component for an overturning type tackle device. The pulley component is used for the replacement of a wire and a ground wire of a high-voltage power transmission line. The pulley component (3) is characterized by comprising pulley wallboards (4); pulleys (2) are connected between the pulley wallboards (4), and are symmetrically arranged; and surfaces of the pulleys (2) which contact the wire and the ground wire are concave arched. According to the overturning tackle device employing the pulley component, the replacement of the line is labor-saving, the labor intensity of manual pulling of an insulating pull cord during line replacement operation is reduced, replacement efficiency is improved, and various accidents can be avoided.
Description
Technical field
The utility model relates to a kind of pulley component, and in particular, the utility model relates to a kind of convertible tackle arrangement and uses pulley component, is used for the lead of ultra-high-tension power transmission line, the replacing of ground wire.
Background technology
Along with the development of telling of all kinds of industries, the conveying of high-tension electricity is had higher requirement.In service in high pressure and ehv power transmission engineering and power transmission and transformation thereof; Must use the 220-500 kilovolt transmission line of long distance; Said high pressure and ehv power transmission circuit are promptly gone up phase conductor, middle phase conductor and following phase conductor and are formed usually by a phase ground wire and a three-phase conducting wire.For guaranteeing power transmission and transformation security of operation, reliable, will test every year to lead, the ground wire of said high pressure and ehv power transmission circuit, finds that defeated change lead, the ground wire of deterioration promptly needs in time to change.
For guaranteeing the safe operation of high pressure and ehv power transmission engineering and power transmission and transformation thereof, must use the power transmission and transformation iron tower.Between 200-400 rice, the height of built on stilts power transmission and transformation line is between 40-80 rice therebetween usually for said power transmission and transformation iron tower spacing.
Up to now; To the lead of these high voltage transmission lines, when ground wire is changed; It generally is the pulley of laying a slippage above that and being connected on the lead of the high voltage transmission line between two iron towers, ground wire with said lead, ground wire; Draw the insulation stay cord that is connected with said lead, ground wire on the pulley; Through tensioner and/or the hauling machine that two iron tower places are provided with, make the lead of high voltage transmission line to be replaced, ground wire sagging, drawn and change operation in the face of crossing over circuit above the thing on ground by the workmen.
To the lead of above-mentioned high pressure and superhigh pressure overhead transmission line, when ground wire is changed; Common use slippage above that and the pulley that is connected with said lead, ground wire; Draw the insulation pull rope that is connected with said lead, ground wire on the coaster; The tensioner and/or the hauling machine that are provided with through two iron tower places draw, and change.This moment, employed coaster was common coaster, can have a plurality of pulleys on it, and is to alleviate resistance, easy to use.
On the one hand, the said high pressure of replacing and lead, the ground wire of ehv power transmission circuit of needing often has been in the ageing step, and said power circuit surface often has fracture of wire, broken end to be exposed to the electric wire surface.In addition; The joint of the transmission line that is drawn often has a lot of metal the end of a thread, disconnected core; These metal the end of a thread, disconnected core are owing to the lead of above-mentioned high pressure and ehv power transmission circuit, when ground wire is changed, in case withstand pulley sheave, then possibly make the running of pulley sheave block; The labour intensity that causes carrying out track replacement operating manpower pulling insulation stay cord is very big, changes inefficiency.
On the other hand, there is thick slightly joint the insulation pull rope junction that is connected with said lead, ground wire, and these joints are to the lead of above-mentioned high pressure and ehv power transmission circuit, when ground wire is changed, block pulley easily.In case withstand pulley sheave, the running of pulley sheave is blocked, the labour intensity that causes carrying out track replacement operating manpower pulling insulation stay cord is very big, changes efficient and supports down.Can't change operation, lead, the ground wire by the high voltage transmission line of leap thing top that possibly cause when serious changing fall.
In addition, at this moment, in the process of traction pulling insulation stay cord, often have under the lead of aerial high-voltage power transmission line to be replaced, the ground wire and crossed over thing.These are crossed over the lead of the high voltage transmission line above the thing, when ground wire is changed, lead, the ground wire of the high voltage transmission line of being crossed over the thing top that careless manipulation causes changing easily fall, and are crossed over thing and contact with said.
Summary of the invention
For solving the problem of above-mentioned existence, the purpose of the utility model is to provide a kind of convertible tackle arrangement to use pulley component, uses the convertible tackle arrangement of said pulley component, is applicable to lead, the ground wire replacing usefulness of aerial high-voltage power transmission line.Thus, the power circuit surface that generation was changed has metal fracture of wire, broken end to expose, and perhaps has joint; Make that when the ultra-high-tension power transmission line between two electric power pylons is changed said lead wire and earth wire can be by the integral body upset of the pulley that can rotate flexibly when the card at coaster place is stifled; Make its surface have metal fracture of wire, broken end to expose or have the power line upset past of joint; Make the lead of aerial high-voltage power transmission line, the traction of ground wire be able to proceed, track replacement is laborsaving, and the labour intensity that reduces to carry out track replacement operating manpower pulling insulation stay cord is very big; Improve to change efficient, the generation of the various accidents of avoiding causing thus.
For achieving the above object, the utility model adopts following technical scheme:
A kind of convertible tackle arrangement is used pulley component; Be used for the lead of ultra-high-tension power transmission line, the replacing of ground wire; It is characterized in that: said pulley component comprises the pulley wallboard; Also be connected with pulley between the said pulley wallboard, be symmetrical set between the said pulley, said pulley is set to arcs of recesses with the face that lead, ground wire contact.
A kind of convertible tackle arrangement according to the utility model provided is used pulley component, employing be that said pulley wallboard offers the cavity.
A kind of convertible tackle arrangement according to the utility model provided is used pulley component, employing be that said pulley wallboard middle part is connected with the coaster support.
A kind of convertible tackle arrangement according to the utility model provided is used pulley component, employing be that said coaster support is connected with the pulley wallboard through fulcrum.
A kind of convertible tackle arrangement according to the utility model provided is used pulley component, employing be that said coaster support is provided with link.
A kind of convertible tackle arrangement according to the utility model provided is used pulley component, employing be that said pulley is symmetricly set in the fulcrum both sides.
A kind of convertible tackle arrangement that the utility model provided is with the beneficial effect of pulley component: the convertible tackle arrangement that uses said pulley component; Track replacement is laborsaving; The labour intensity that reduces to carry out track replacement operating manpower pulling insulation stay cord is very big; Improve to change efficient, the generation of the various accidents of avoiding causing thus.
Description of drawings
Fig. 1 is a kind of convertible tackle arrangement that the utility model the provided structural representation with pulley component.
Fig. 2 is the structural representation of the convertible tackle arrangement of the application pulley component that the utility model provided.
Fig. 3 is the cutaway view of convertible tackle arrangement shown in Figure 2.
Fig. 4 is the end view of convertible tackle arrangement shown in Figure 2.
Among the figure, 1, coaster support 2, pulley 3, pulley component 4, pulley wallboard 5, fulcrum 6, link.
Embodiment
Below in conjunction with accompanying drawing a kind of convertible tackle arrangement that the utility model provided is further explained with pulley component.
A kind of convertible tackle arrangement that the utility model provided is following with the structure of pulley component:
Said pulley component 3 comprises pulley wallboard 4, also is connected with pulley 2 between the said pulley wallboard 4, is symmetrical set between the said pulley 2, and said pulley 2 is set to arcs of recesses with the face that lead, ground wire contact, and said pulley wallboard 4 offers the cavity.
The structure of convertible tackle arrangement of using said pulley component 3 is following:
Pulley wallboard 4 middle parts of said pulley component 3 are connected with coaster support 1; Said coaster support 1 is connected with pulley wallboard 4 through fulcrum 5; Said coaster support 1 is provided with link 6; Said pulley 2 is symmetricly set in fulcrum 5 both sides, 5 rotations of the fulcrum on said coaster support 1 freely of said pulley component 3 integral body.
Also can not offer the cavity on the said pulley wallboard 4.
The occupation mode of the convertible tackle arrangement of the pulley component that application the utility model provides is following:
Said insulation stay cord connects lead, the ground wire of aerial high-voltage power transmission line to be replaced, passes the two symmetrically arranged pulleys 2 of the track replacement of the utility model with convertible tackle arrangement.Said convertible tackle arrangement hang on power circuit tower end through the link on it 6.
Said pulley component 3 is made up of two symmetrically arranged pulleys 2 and the two pulley wallboards 4 and the fulcrum 5 that are arranged at these two pulleys, 2 sidepieces.Said two symmetrically arranged pulleys 2 are with after this two pulleys wallboard 4 is fixedly connected, the whole rotatable rotation of the pulley component that the two pulley wallboards that are fixedly connected with it by two pulleys constitute 5 rotations of the fulcrum on said coaster support 1 freely.
Said pulley rubbing surface is the indent arc.Said two pulley wallboards offer a plurality of cavities.
Said insulation stay cord connects lead, ground wire two ends of aerial high-voltage power transmission line to be replaced can be by terrestrial operation personnel operation, control; Easily spur power transmission line lead wire and earth wire to be replaced through pulley; Or on part of path to be replaced, easily move said assembly pulley, change needs the part of path of replacing.
Change end of operation, by the pulling of terrestrial operation personnel two ends, control insulation stay cord,, lead wire and earth wire is restored to original position again through the tensioner of two iron tower places setting and/or the traction of hauling machine.
In the power circuit distraction procedure; When the lead of aerial high-voltage power transmission line to be replaced, ground wire surface have metal fracture of wire, the broken end place of exposing perhaps to have track replacement that the joint runs to the utility model with the pulley place of tackle arrangement; Block pulley, but the whole rotation of pulley component that because of its tractive effort that receives the two pulley wallboards that are fixedly connected with it by two pulleys is constituted immediately, the fulcrum of the said coaster support that overturns; Thus; Drive the also upset simultaneously of lead wire and earth wire that there are metal fracture of wire, the broken end place of exposing in the surface or have the joint, thus, make the replacing of power circuit, traction proceed.Labour intensity reduces, and improves and changes efficient, avoids the generation of accident.
Use convertible tackle arrangement according to the circuit of the utility model, said convertible tackle arrangement by make on it with pulley do rotation flexibly for this coaster body relatively, thus; The power circuit surface that generation was changed has metal fracture of wire, broken end to expose; Perhaps have joint, also can make change at lead, ground wire the aerial high-voltage power transmission line between two electric power pylons, said lead wire and earth wire when the card at coaster place is stifled, the pulley component that the two pulley wallboards that are fixedly connected with it by two pulleys constitute is whole to be rotated; The fulcrum of said coaster support overturns; Thus, drive the lead wire and earth wire that makes its surface have metal fracture of wire, broken end to expose or have joint and overturn over simultaneously, make the traction of said aerial high-voltage lead, ground wire be able to proceed; Track replacement is laborsaving; The labour intensity that reduces to carry out track replacement operating manpower pulling insulation stay cord is very big, improves and changes efficient, the generation of the various accidents of avoiding causing thus.
Claims (6)
1. a convertible tackle arrangement is used pulley component; Be used for the lead of ultra-high-tension power transmission line, the replacing of ground wire; It is characterized in that: said pulley component (3) comprises pulley wallboard (4); Also be connected with pulley (2) between the said pulley wallboard (4), said pulley is symmetrical set between (2), and said pulley (2) is set to arcs of recesses with the face that lead, ground wire contact.
2. a kind of convertible tackle arrangement according to claim 1 is used pulley component, it is characterized in that: said pulley wallboard (4) offers the cavity.
3. a kind of convertible tackle arrangement according to claim 1 is used pulley component, it is characterized in that: said pulley wallboard (4) middle part is connected with coaster support (1).
4. use pulley component according to claim 1 or 3 described a kind of convertible tackle arrangements, it is characterized in that: said coaster support (1) is connected with pulley wallboard (4) through fulcrum (5).
5. use pulley component according to claim 1 or 3 described a kind of convertible tackle arrangements, it is characterized in that: said coaster support (1) is provided with link (6).
6. a kind of convertible tackle arrangement according to claim 4 is used pulley component, it is characterized in that: said pulley (2) is symmetricly set in fulcrum (5) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200935585U CN202474691U (en) | 2012-03-13 | 2012-03-13 | Pulley component for overturning type tackle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200935585U CN202474691U (en) | 2012-03-13 | 2012-03-13 | Pulley component for overturning type tackle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202474691U true CN202474691U (en) | 2012-10-03 |
Family
ID=46922819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200935585U Expired - Fee Related CN202474691U (en) | 2012-03-13 | 2012-03-13 | Pulley component for overturning type tackle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202474691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809239A (en) * | 2019-03-14 | 2019-05-28 | 国网上海市电力公司 | A kind of tackle arrangement for OPGW optical cable unwrapping wire |
| CN115241798A (en) * | 2022-08-26 | 2022-10-25 | 国网山东省电力公司潍坊供电公司 | Lead ground wire unwrapping wire coaster structure |
-
2012
- 2012-03-13 CN CN2012200935585U patent/CN202474691U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809239A (en) * | 2019-03-14 | 2019-05-28 | 国网上海市电力公司 | A kind of tackle arrangement for OPGW optical cable unwrapping wire |
| CN115241798A (en) * | 2022-08-26 | 2022-10-25 | 国网山东省电力公司潍坊供电公司 | Lead ground wire unwrapping wire coaster structure |
| CN115241798B (en) * | 2022-08-26 | 2024-01-19 | 国网山东省电力公司潍坊供电公司 | Ground wire paying-off pulley structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20200313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |