CN108258639A - A kind of cable slack device - Google Patents
A kind of cable slack device Download PDFInfo
- Publication number
- CN108258639A CN108258639A CN201611249325.9A CN201611249325A CN108258639A CN 108258639 A CN108258639 A CN 108258639A CN 201611249325 A CN201611249325 A CN 201611249325A CN 108258639 A CN108258639 A CN 108258639A
- Authority
- CN
- China
- Prior art keywords
- pulley
- fixed
- electric wire
- cable
- bar
- 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
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/04—Arrangements or devices for relieving mechanical tension
Abstract
The invention discloses a kind of cable slack devices, including electric pole, automatic telescopic device, electric wire connecting junction, first angle pulley, second angle pulley, automatic telescopic device includes fixed plate, movable pulley, movable pulley rack, fixed pulley, fixed pulley frame, contract the bar that rises, slide bar, drawstring, the contracting rises by bar as the design of sealing injection cylinder, contracting bar one end of rising is welded in movable pulley rack, the other end is welded on fixed pulley frame, drawstring is alternate round-trip to be through between movable pulley and fixed pulley, and drawstring one end is connect with cement block, the other end is connect with electric wire connecting junction, electric wire connecting junction side opens up connection jaws, connection jaws outer surface is equipped with the fixed clip of screw, fuse is installed inside electric wire connecting junction, first angle pulley and the second angle pulley are installed in fixing axle, fixing axle is mounted on fixed frame, fixed frame is fixed on utility poles.Reasonable design of the present invention；The contracting bar that rises solves the problems, such as that cable expands with heat and contract with cold caused electric wire height change and tension variations, preferably promotes the use of.
Description
Technical field
The present invention relates to power domain more particularly to a kind of cable slack devices.
Background technology
With the fast development of society, power construction is also more and more important, generally requires to set up cable trough in power construction,
Power circuit is often laid on cable trough, and expanding with heat and contract with cold for power circuit causes problem very much, for example, summer electric wire be heated it is swollen
The swollen terrain clearance for leading to the parallel above ground portion of electric wire reduces, and for another example winter electric wire may be caused the electric wire service life to subtract by cold events
Less or break.Therefore, how to reduce the influence expanded with heat and contract with cold to cable, be always the problem that the whole society faces.
Invention content
The purpose of the present invention is to provide a kind of cable slack device, to solve above-mentioned technical problem.
The present invention uses following technical scheme to achieve the above object：
A kind of cable slack device, including electric pole, automatic telescopic device, electric wire connecting junction, the first angle pulley, the second angle pulley,
It is characterized in that, the automatic telescopic device includes, fixed plate, movable pulley, movable pulley rack, fixed pulley, fixed pulley frame, contract bar, the cunning of rising
Bar, drawstring, the fixed plate are bolted on ground, and sliding slot is opened up in fixed plate, and slide bar is mounted in sliding slot, slide bar
Right end be welded with movable pulley rack, be mounted in movable pulley rack by screw on movable pulley, the contracting rises by bar as sealing injection cylinder
Formula designs, and addition alcohol in injection tube, and contracting bar one end of rising is welded in movable pulley rack, and the other end is welded on fixed pulley frame,
Fixed pulley is fixedly mounted on fixed pulley frame, and drawstring is alternate round-trip to be through between movable pulley and fixed pulley, and drawstring one end with
Cement block connects, and the other end is connect with electric wire connecting junction, and the electric wire connecting junction side opens up connection jaws, and connection jaws outer surface is consolidated equipped with screw
Fixed clip is equipped with fuse inside electric wire connecting junction, is installed with the first cable in first angle pulley, in the second angle pulley
The second cable is installed with, the first cable and the second cable are connect after passing through pulley with electric wire connecting junction, first angle pulley and second
Angle pulley is installed in fixing axle, and fixing axle is mounted on fixed frame, and fixed frame is bolted on electric pole.
Preferably, the electric wire connecting junction outer surface environmental sealing insulating materials.
Preferably, the quantity of the movable pulley is at least two, and movable pulley fixed array is in movable pulley rack, each dynamic cunning
Spacing between wheel is more than twice of the diameter of movable pulley.
Preferably, the quantity of the fixed pulley is at least two, and fixed pulley fixed array is each to determine cunning on fixed pulley frame
Spacing between wheel is more than twice of the diameter of fixed pulley.
Preferably, the rate of expanding with heat and contract with cold of the drawstring rises bar less than contracting, and the rise quantity of bar of contracting is at least 2.
Preferably, first angle pulley, the second angle pulley are mounted in fixing axle side by side；And first commutation slide
Wheel, the second angle pulley respectively independent can be rotated around fixing axle.
Compared with prior art, the present invention has the following advantages：Reasonable design of the present invention；During temperature heating, automatic telescopic
Contracting rises by bar elongation so as to pull down electric wire connecting junction in device, straightens the first cable, the second cable, so as to avoid the first cable, second
The aerial part of cable will not sink because of heat expansion, when temperature turns cold, the contracting in automatic telescopic device rise bar contraction drawstring is put
Pine prevents the first cable, the second cable is deformed because of the pulling force of shrinkage or service life reduction；Electric wire connecting junction can carry out the first cable
And second cable fast-wiring, disconnect, two cables are all damaged when the design of fuse can prevent voltage excessive；
Clip, which can carry out two cables fastening, prevents cable from coming off；And the present invention it is of low cost, service life is long, it is easy to implement,
It is easy to use, without the energy, can realize constant height, the tensions constant of cable, preferably promote the use of.
Description of the drawings
Fig. 1 is cable slack schematic device of the present invention.
Fig. 2 is the enlarged drawing of the A-A of cable slack device of the present invention.
Fig. 3 is the electric wire connecting junction schematic diagram of cable slack device of the present invention.
Fig. 4 is the electric wire connecting junction sectional view of cable slack device of the present invention.
In figure：1st, the first cable, the 2, first angle pulley, the 3, second cable, 4, clip, 5, electric wire connecting junction, 6, connection jaws, 7,
Drawstring, 8, fixed plate, 9, automatic telescopic device, 10, fixed pulley frame, 11, fixed pulley, 12, contracting rise bar, 13, movable pulley, 14, cement
Block, 15, movable pulley rack, 16, slide bar, 17, sliding slot, 18, electric pole, 19, fixed frame, the 20, second angle pulley, 21, fuse.
Specific embodiment
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
As shown in Figs 1-4, a kind of cable slack device is changed including electric pole 18, automatic telescopic device 9, electric wire connecting junction 5, first
To pulley 2, the second angle pulley 20, the automatic telescopic device 9 includes fixed plate 8, movable pulley 13, movable pulley rack 15, fixed pulley
11st, fixed pulley frame 10, contracting are risen bar 12, slide bar 16, drawstring 7, and the fixed plate 8 is bolted on ground, in fixed plate 8
Sliding slot 17 is opened up, slide bar 16 is mounted in sliding slot 17, and the right end of slide bar 16 is welded with movable pulley rack 15, passes through spiral shell on movable pulley 13
Nail is in movable pulley rack 15, and the contracting rises by bar 12 as the design of sealing injection cylinder, and addition alcohol in injection tube, and contract the bar 12 that rises
One end is welded in movable pulley rack 15, and the other end is welded on fixed pulley frame 10, and fixed pulley 11 is fixedly mounted on fixed pulley frame 10
On, drawstring 7 is alternate round-trip to be through between movable pulley 13 and fixed pulley 11, and 7 one end of drawstring is connect with cement block 14, the other end
It is connect with electric wire connecting junction 5,5 side of electric wire connecting junction opens up connection jaws 4, and 4 outer surface of connection jaws is equipped with the fixed clip 6 of screw, connects
Fuse 21 inside line device 5 is installed, the first cable 1 is installed in first angle pulley 2, is installed in the second angle pulley 20
Second cable 3, the first cable 1 and the second cable 3 are connect after passing through pulley with electric wire connecting junction 5, first angle pulley 2 and second
Angle pulley 20 is installed in fixing axle, and fixing axle is mounted on fixed frame 19, and fixed frame 19 is bolted on electric wire
On bar 18.
The electric wire connecting junction outer surface environmental sealing insulating materials.
The quantity of the movable pulley is at least two, and movable pulley fixed array is in movable pulley rack, between each movable pulley
Spacing is more than twice of the diameter of movable pulley.
The quantity of the fixed pulley is at least two, and fixed pulley fixed array is on fixed pulley frame, between each fixed pulley
Spacing is more than twice of the diameter of fixed pulley.
The rate of expanding with heat and contract with cold of the drawstring rises bar less than contracting, and the rise quantity of bar of contracting is at least 2.
First angle pulley, the second angle pulley are mounted in fixing axle side by side；And it first angle pulley, second changes
It respectively independent can be rotated to pulley around fixing axle.
Operation principle of the present invention：During temperature heating, the alcohol expansion that contracting is risen in bar 12 in automatic telescopic device 9 is risen so as to contract
Bar 12 extends and then pulls down electric wire connecting junction 5, straightens the first cable 1, the second cable 3, so as to avoid the first cable, the second cable
Aerial part will not sink because of heat expansion, when temperature turns cold, the contracting in automatic telescopic device 9 rise alcohol in bar 12 shrink from
And the contracting bar 12 that rises is made to shrink and then loosen drawstring, prevent the first cable 1, the second cable 3 deformed because of the pulling force of shrinkage or
Service life reduction；When the voltage in cable is excessive, fuse 21 can fuse and then protect a part of cable；Terminal box 5 is easy
Wiring, disconnection in cable.
The above is present pre-ferred embodiments, for the ordinary skill in the art, according to the present invention
Introduction, in the case where not departing from the principle of the present invention and spirit, the changes, modifications, replacement and the change that are carried out to embodiment
Type is still fallen within protection scope of the present invention.
Claims (6)
1. a kind of cable slack device, including electric pole（18）, automatic telescopic device（9）, electric wire connecting junction（5）, the first angle pulley
（2）, the second angle pulley（20）, which is characterized in that the automatic telescopic device（9）Including fixed plate（8）, movable pulley（13）, it is dynamic
Pulley yoke（15）, fixed pulley（11）, fixed pulley frame（10）, contracting rises bar（12）, slide bar（16）, drawstring（7）, the fixed plate（8）
It is bolted on ground, fixed plate（8）On open up sliding slot（17）, slide bar（16）Mounted on sliding slot（17）It is interior, slide bar
（16）Right end be welded with movable pulley rack（15）, movable pulley（13）It is upper that movable pulley rack is mounted on by screw（15）On, the contracting
Rise bar（12）It is designed for sealing injection cartridge type, and addition alcohol in injection tube, contract the bar that rises（12）One end is welded on movable pulley rack
（15）On, the other end is welded on fixed pulley frame（10）On, fixed pulley（11）It is fixedly mounted on fixed pulley frame（10）On, drawstring（7）
It is alternate round-trip to be through movable pulley（13）And fixed pulley（11）Between, and drawstring（7）One end and cement block（14）Connection, the other end
With electric wire connecting junction（5）Connection, the electric wire connecting junction（5）Side opens up connection jaws（4）, connection jaws（4）It is fixed that outer surface is equipped with screw
Clip（6）, electric wire connecting junction（5）Inside is equipped with fuse（21）, first angle pulley（2）Inside it is installed with the first cable（1）, the
Two angle pulleys（20）Inside it is installed with the second cable（3）, the first cable（1）And second cable（3）After across pulley with electric wire connecting junction（5）
Connection, first angle pulley（2）And second angle pulley（20）It is installed in fixing axle, fixing axle is mounted on fixed frame
（19）On, fixed frame（19）It is bolted on electric pole（18）On.
A kind of 2. cable slack device according to claim 1, which is characterized in that the electric wire connecting junction（5）It wraps up outer surface
Sealed insulating material.
A kind of 3. cable slack device according to claim 1, which is characterized in that the movable pulley（13）Quantity for extremely
It is 2 few, movable pulley（13）Fixed array is in movable pulley rack（15）On, each movable pulley（13）Between spacing be more than movable pulley
（13）Twice of diameter.
A kind of 4. cable slack device according to claim 1, which is characterized in that the fixed pulley（11）Quantity for extremely
It is 2 few, fixed pulley（11）Fixed array is in fixed pulley frame（10）On, each fixed pulley（11）Between spacing be more than fixed pulley
（11）Twice of diameter.
A kind of 5. cable slack device according to claim 1, which is characterized in that the drawstring（7）Rate of expanding with heat and contract with cold
Rise bar less than contracting（12）, and the bar that rises that contracts（12）Quantity be at least 2.
A kind of 6. cable slack device according to claim 1, which is characterized in that first angle pulley（2）, second
Angle pulley（20）It is mounted in fixing axle side by side；And first angle pulley（2）, the second angle pulley（20）It can be respectively independent
Rotated around fixing axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249325.9A CN108258639A (en) | 2016-12-29 | 2016-12-29 | A kind of cable slack device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249325.9A CN108258639A (en) | 2016-12-29 | 2016-12-29 | A kind of cable slack device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108258639A true CN108258639A (en) | 2018-07-06 |
Family
ID=62721684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611249325.9A Pending CN108258639A (en) | 2016-12-29 | 2016-12-29 | A kind of cable slack device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108258639A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308757Y (en) * | 1997-03-19 | 1999-02-24 | 中国航空工业总公司第六○三研究所 | Liquid integral tension compensator |
| CN202429945U (en) * | 2012-01-04 | 2012-09-12 | 安徽省电力公司芜湖供电公司 | Hoisting device for power supply facility |
| CN102992118A (en) * | 2012-12-07 | 2013-03-27 | 沃得重型机床（中国）有限公司 | Cable take-up and pay-off device of press travelling table |
| CN203241833U (en) * | 2013-04-19 | 2013-10-16 | 华北电力大学（保定） | Pretightening force adjusting device for power transmission line indoor experiment |
| CN203612743U (en) * | 2013-11-14 | 2014-05-28 | 青岛三元集团股份有限公司 | Precise wire taking stand |
| CN204760890U (en) * | 2015-06-30 | 2015-11-11 | 国网山东招远市供电公司 | Wire hoisting device in distribution lines construction |
-
2016
- 2016-12-29 CN CN201611249325.9A patent/CN108258639A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308757Y (en) * | 1997-03-19 | 1999-02-24 | 中国航空工业总公司第六○三研究所 | Liquid integral tension compensator |
| CN202429945U (en) * | 2012-01-04 | 2012-09-12 | 安徽省电力公司芜湖供电公司 | Hoisting device for power supply facility |
| CN102992118A (en) * | 2012-12-07 | 2013-03-27 | 沃得重型机床（中国）有限公司 | Cable take-up and pay-off device of press travelling table |
| CN203241833U (en) * | 2013-04-19 | 2013-10-16 | 华北电力大学（保定） | Pretightening force adjusting device for power transmission line indoor experiment |
| CN203612743U (en) * | 2013-11-14 | 2014-05-28 | 青岛三元集团股份有限公司 | Precise wire taking stand |
| CN204760890U (en) * | 2015-06-30 | 2015-11-11 | 国网山东招远市供电公司 | Wire hoisting device in distribution lines construction |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |
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| WD01 | Invention patent application deemed withdrawn after publication |