CN107181204B - Electrification in high voltage stringing protector - Google Patents
Electrification in high voltage stringing protector Download PDFInfo
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- CN107181204B CN107181204B CN201710289643.6A CN201710289643A CN107181204B CN 107181204 B CN107181204 B CN 107181204B CN 201710289643 A CN201710289643 A CN 201710289643A CN 107181204 B CN107181204 B CN 107181204B
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- rotating block
- block
- fixer
- drag
- line
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- 230000001012 protector Effects 0.000 title claims abstract description 22
- 230000001154 acute effect Effects 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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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- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of electrification in high voltage stringing protectors, including drag-line and 2 hooks, further include fixer；Fixer is the flat hollow body penetrated through on length direction, and upper end connects a hook；Guy cable pulley is equipped in fixer, guy cable pulley is arranged right below rotating block shaft, and rotating block shaft is axially fixer thickness direction, and it is free to rotate that rotating block is socketed in rotating block shaft；The length direction of rotating block is left and right directions, and left and right ends are equipped with the acute angle of upward outward direction；Brake block is fixed at the left and right of fixer wherein side, and the side wall towards rotating block of brake block is outer retainer walls, and the corresponding side wall of rotating block is interior retainer walls, between the two clearance fit and shape adaptation；Drag-line enters in body from lower end, bypasses guy cable pulley, by the gap between outer retainer walls and interior retainer walls, returns to below body, is fixed with another hook thereon.The beneficial effects of the invention are as follows：With the advantage that operation is convenient, safety effect is good.
Description
Technical field
The invention belongs to electric construction tool field, specifically a kind of electrification in high voltage stringing protector.
Background technique
The overhead transmission line of high-voltage electricity needs to be arranged grounded-line, and grounded-line needs to be tensioned.Tradition is done grounded-line tightening and is made
When industry, cord holder is used.Such as Chinese patent literature CN203734217U, it is disclosed on July 23rd, 2014 " a kind of
Overhead transmission line straight line changes strain insulator electrification cord holder ", including fixed bracket, two tight rope mechanisms, driving gear, driving handle, two lead
Messenger and two fly blocks；Two tight rope mechanisms respectively include driven gear, stop gear, pawl and tight rope reel, and tight rope reel can
It is rotatably mounted to fixed bracket, respectively with tight rope reel coaxial linkage, pawl is rotatably mounted for driven gear and stop gear
In fixed bracket, and it is meshed with stop gear；Two tight rope reels pass through traction rope respectively and are connected with two fly blocks；Driving tooth
Wheel is meshed with the driven gear of two tight rope mechanisms simultaneously, and is connected with driving handle, can drive two tight rope mechanisms simultaneously
Tight rope spool turns realize bivector traction stringing.In order to protect employee and power equipment, power circuit, in practice of construction, always
It is using two cord holders in parallel, main cord holder is used to be tensioned grounded-line, and secondary cord holder is as insurance.In main cord holder pine
When de-, sliding teeth fails, secondary cord holder can hold the both ends that grounded-line needs to be tensioned in moment, avoid the hair of contingency
It is raw.However, the cord holder as disclosed in the aforementioned prior art needs to follow main cord holder when being used as secondary cord holder
Slow and lasting two rear line head of tension of stringing precision, structure is excessively complicated, operates excessively cumbersome, is equivalent to secondary stringing
A device Construction of Tension Stringing movement of repetitive operation again, causes the construction efficiency not high.
Summary of the invention
The technical problem to be solved in the invention is to use secondary cord holder as insurance, behaviour in existing electric power Construction of Tension Stringing
Make cumbersome, operating efficiency is low, to provide a kind of electrification in high voltage stringing protector, has and operates good excellent of convenient, safety effect
Gesture.
To achieve the goals above, the present invention adopts the following technical scheme that：A kind of electrification in high voltage stringing protector, including draw
Rope and 2 hooks, further include fixer；Fixer is the flat hollow body penetrated through on length direction, and upper end connects an extension
Hook；Guy cable pulley is equipped in fixer, guy cable pulley is arranged right below rotating block shaft, and rotating block shaft is axially fixer thickness
Direction is spent, it is free to rotate that rotating block is socketed in rotating block shaft；The length direction of rotating block is left and right directions, and left and right ends are equal
Acute angle equipped with upward outward direction；Brake block is fixed at the left and right of fixer wherein side, brake block towards rotating block
Side wall be outer retainer walls, the corresponding side wall of rotating block is interior retainer walls, between the two clearance fit and shape adaptation；When
When rotating block is rotated to braking Block direction, interior retainer walls touch outer retainer walls, which disappears；Drag-line enters body from lower end
It is interior, guy cable pulley is bypassed, by the gap between outer retainer walls and interior retainer walls, returns to below body, is fixed with thereon another
A hook.
The stringing protector of the technical program design, is equipped with a fixer, and fixer is one and passes through in the longitudinal direction
Logical flat hollow body, as soon as similar matchbox, the structure for adjusting drag-line are arranged in the body.The upper end of body can be with
A hook is connected by hook fixed pin.A rotating block, the length of rotating block are connected with by rotating block shaft in body
Degree direction is left and right directions under normal conditions, and the left and right ends of rotating block are additionally provided with acute angle, direction be upward outwardly, it is upper to bypass
What the drag-line of square guy cable pulley can be convenient touches acute angle, and the thrust for pushing rotating block rotation is formed by frictional force.Casket
The wherein side of intracorporal left and right directions is fixed with brake block, and brake block usually can be designed as the triangle along body side wall protrusion
The similar structures such as shape or quadrangle are outer retainer walls close to the side of rotating block, and corresponding, rotating block close to automatic
The side of block is interior retainer walls, and the shape adaptation of both outer retainer walls and interior retainer walls, there are gap, drawings between the two under normal conditions
Rope extends there through, can normal forward pulling, and drag-line is reversed pulling when the state of emergency, and drag-line will be tangled by frictional force
The acute angle of brake block one end pushes rotating block rotation, keeps rotating block close to brake block, until interior retainer walls and outer retainer walls without
Limit is close, forms stiction powerful enough and the drag-line being clipped between interior retainer walls and outer retainer walls is clamped to no farad
It is dynamic.
Preferably, the surface of the interior retainer walls and outer retainer walls is equipped with texturing.Such design is to make interior braking
The surface of wall and outer retainer walls has bigger roughness, and the two can form bigger stiction after clamping drag-line.
Preferably, the interior retainer walls are outer convex, outer retainer walls are the concave arc of adaptation.Outer convex with it is interior
Concave arc shape can increase interior retainer walls and outer retainer walls to the contact area of the drag-line of clamping, increase stiction.Arc it is recessed
Convex direction can also be arranged with synchronous backward, and interior retainer walls are concave arc, and outer retainer walls are the outer convex of adaptation.
Preferably, the rotating block is symmetrical shape, rotating block shaft is located on symmetry axis, the center of gravity of rotating block
Positioned at the nearly brake block side of rotating block.According to the relative position of interior retainer walls and outer retainer walls, this protector when in use, is answered
It is located at the state above outer retainer walls using retainer walls interior under normality, at this time due to gravity, rotating block is deflected always to leaning on
One side direction of nearly brake block, interior retainer walls and outer retainer walls, the two against drag-line always, but due to not influenced by external force,
Drag-line forward pulling only needs to overcome the gravity of the very little of rotating block, is substantially unaffected, and once occurs reversely pulling, rotation
Block just rotation rapidly, drag-line moment is clamped, realize protection together with brake block.
Preferably, being additionally provided with limited block in fixer, limited block is equipped with the loose end limit being adapted to rotating block one side
Plane, loose end confined planes limit to the rotational angle of the separate brake block of rotating block.Limited block is used to form confined planes, to rotation
The rotational angle of block is limited, and can generally be designed and is in different turns in certain one side of rotating block including top surface or bottom surface
Relative position when dynamic position.Loose end confined planes are used to limit rotational angle of the rotating block to far from the rotation of brake block side when,
It can prevent lead to when drag-line promptly reversely pulls to avoid rotating block ovdersteering, the problem of can not contacting with drag-line
Cross the possibility defect that frictional force pushes rotating block rotation.
Preferably, tight end confined planes are additionally provided on limited block, it is tight to hold confined planes to turn of the close brake block of rotating block
Dynamic angle is limited.Similarly, tightly end confined planes can be excessive to brake block directional steering to avoid rotating, and stress is excessive to lead to damage
Problem.
Preferably, limited block is located at the underface of rotating block, the lower end surface of rotating block be extend in left-right direction it is flat
Face；The tight end confined planes of limited block are located at the side of the nearly brake block in upper end of limited block, and loose end confined planes are located at the other side；Limit
Block is scheduled in fixer with limited block pin shaft pin, and the pin shaft hole of limited block pin shaft is oval on perforation fixer thickness direction
Hole, the extending direction of slotted hole are up and down direction.This programme devises the pin shaft hole of up and down direction, fixed limit on fixer
The pin shaft of block is placed in pin shaft hole, moves up and down limited block along the direction of pin shaft hole.When drag-line reversely pulls, rotation
Block and brake block are difficult to unclamp after clamping drag-line, push rotating block to rotate from bottom to top using limited block at this time, can be quick
Rotating block is unclamped, is easy to use.
Preferably, tightly end confined planes are the arcwall face of evagination.The arcwall face of evagination is to the lower end surface of rotating block close to system
The position of motion block, which has, preferably pushes effect.
Preferably, loose end confined planes are the plane parallel with the lower end surface of rotating block.Have more between parallel plane
Good limit effect.
Preferably, hook is fixed on drag-line can not be along drag-line ring shaped axial preferably, the drag-line is around closing
It is mobile.Using the drag-line of closed annular, stay cable end would not be generated, is failed the drag-line clamping effect of this protector
, still can prevent grounded-line from loosening completely by drag-line itself annular.
Preferably, the drag-line is bandlet shape, bandwidth is adapted to the thickness of rotating block.The drag-line of bandlet shape, with rotation
Block, the contact area of brake block are bigger, and the stiction of acquisition is bigger.
In conclusion the beneficial effects of the invention are as follows：With the advantage that operation is convenient, safety effect is good.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram when drag-line is in forward pulling state in fixer.
Fig. 3 is the structural schematic diagram when drag-line is in reversed driving status in fixer.
Fig. 4 is the enlarged drawing of structure in fixer.
Wherein：1 drag-line, 2 hooks, 3 fixers, 4 hook fixed pins, 5 guy cable pulleys, 6 rotating block shafts, 7 rotating blocks, 8
Brake block, 9 limited blocks, 10 limited block pin shafts, 11 pin shaft holes, retainer walls in 71,81 outer retainer walls, 91 loose end confined planes, 92 is tight
Hold confined planes；Arrow show the pull direction of drag-line.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
Embodiment as shown in Figure 1 is a kind of electrification in high voltage stringing protector, when power construction tightens grounded-line, is made
It is used for security insurance.This electrification in high voltage stringing protector includes an annular drag-line 1, two hooks 2, a fixer 3,
Drag-line is bandlet shape, is connected with fixer, and one of hook is secured on drag-line, another hook is solid by perforation
The hook fixed pin 4 for determining casket thickness direction is fixed on fixer.
Fixer is the flat hollow body of a similar matchbox, up and down, a casket surface of thickness direction
Carry out installation and maintenance can be unloaded.The casket surface is opened, internal structure is as shown in figure 4, design has the guy cable pulley 5 of top, drawing
It is rotating block shaft 6 immediately below rope pulley, rotating block shaft is the same with hook fixed pin, and perforation fixer thickness direction
's；It is socketed with rotating block 7 in rotating block shaft, brake block 8 is fixed on the left of rotating block, the underface of rotating block is limited block
9.Rotating block is a symmetrical prismatoid, and top surface is long, and bottom surface is short, and the two is arranged and parallel in left-right direction；A left side for prismatoid
Side wall and right side wall are the arcwall face of evagination, make each self-forming in the left and right ends of prismatoid one upward outside acute angle.Turn
Motion block shaft passes through the line of symmetry of rotating block, and so that the center of gravity of rotating block is located at the left side of line of symmetry by built-in weight.Braking
The shape of block is close to body left side wall, possesses good support force similar to equilateral triangle, bottom edge.The close rotating block of brake block
Side side wall, design have the arcwall face of indent, referred to as outer retainer walls 81, the side wall of corresponding rotating block, and adaptation is equipped with
The arcwall face of evagination, referred to as interior retainer walls 71.There are gaps between interior retainer walls and outer retainer walls, extend there through for drag-line,
And texturing are equipped on interior retainer walls and the contact surface of outer retainer walls and drag-line, to improve frictional force.When rotating block turns counterclockwise
When dynamic, interior retainer walls are unlimited close between downward motion, with outer retainer walls to the left, drag-line can be clamped, until drag-line can not
It pulls.What is penetrated through on limited block sets there are two limited block pin shaft 10, the two limited block pin shafts are all set in pin shaft hole 11.Pin shaft
Hole is provided at the slotted hole in fixer body, make limited block pin shaft perforation fixer thickness direction, and limited block can more than
Lower movement.It is equipped with tight end confined planes 92 on the left of the upper end of limited block, is convex arcwall face, when limited block pushes up, tightly
End confined planes can take the lead in contacting the bottom surface of rotating block in clamped condition, clamped condition being discharged；The upper end of limited block is right
Side is equipped with the low loose end confined planes 91 in the high outside in inside, when interior retainer walls and clamped condition of the outer retainer walls to drag-line discharge completely
When, rotating block lower end surface is limited by loose end confined planes, and rotating block can not continue to rotate clockwise.
When needing to tighten grounded-line in power construction, in addition to main cord holder holds the both ends of grounded-line, this protection respectively
Two of device hooks also hold the both ends of grounded-line respectively, form insurance, in general, with the hook of fixer connection it is upper,
State of the drag hook of drag-line connection under uses.When under normal conditions, main cord holder gradually receives the distance between nearly grounded-line both ends, this
Protector also gradually collapses the distance between two hooks therewith.State at this time is as shown in Fig. 2, drag-line is in forward pulling shape
State, that is, the clockwise direction illustrated when drag-line passes through the arc-shaped gaps between interior retainer walls and outer retainer walls from bottom to top, rely on
The frictional force and drag-line of interior retainer walls hold the acute angle of rotating block right end, drive rotating block to rotate clockwise, drag-line can be with source
Source is constantly clockwise by gap.Simultaneously, the maximum value for rotating clockwise angle of rotating block is by right above limited block
The loose end confined planes of side limit.After pulling action stops, since the center of gravity of rotating block is partial to the side of brake block, block reset is rotated
To with close to the close position of brake block, it is ready to prevent drag-line from reversely pulling.Once there is fortuitous event, drag-line is reversed
It pulls, i.e., pulls drag-line counterclockwise, as shown in figure 3, drag-line drives the acute angle of rotating block left end, while rubbing by interior retainer walls
Wipe power, so that it may it pushes rotating block to rotate counterclockwise, the arc-shaped gaps between interior retainer walls and outer retainer walls is made the more to press from both sides the more tight, it is quiet
Frictional force is increasing, until drag-line can not continue to be pulled counterclockwise, realizes protecting effect.Hereafter if you need to unclamp rotating block
Clamped condition between brake block can pull drag-line clockwise, if clamped condition is very tight, can also push up limit
Block, the left side of the lower end surface of rotating block is pushed with the tight end confined planes on limited block, and help releases clamped condition.
Claims (10)
1. a kind of electrification in high voltage stringing protector, including drag-line（1）It is linked up with 2（2）, characterized in that it further include fixer
（3）；Fixer is the flat hollow body penetrated through on length direction, and upper end connects a hook；It is sliding that drag-line is equipped in fixer
Wheel（5）, guy cable pulley is arranged right below rotating block shaft（6）, rotating block shaft is axially fixer thickness direction, rotating block
（7）It is free to rotate to be socketed in rotating block shaft；The length direction of rotating block be left and right directions, left and right ends be equipped with upwards to
The acute angle of outside direction；Brake block（8）Being fixed at the left and right of fixer, wherein side, the side wall towards rotating block of brake block are
Outer retainer walls（81）, the corresponding side wall of rotating block is interior retainer walls（71）, clearance fit and shape adaptation between the two；When
When rotating block is rotated to braking Block direction, interior retainer walls touch outer retainer walls, which disappears；Drag-line enters body from lower end
It is interior, guy cable pulley is bypassed, by the gap between outer retainer walls and interior retainer walls, returns to below body, is fixed with thereon another
A hook.
2. a kind of electrification in high voltage stringing protector according to claim 1, characterized in that the interior retainer walls are outer convex arc
Shape, outer retainer walls are the concave arc of adaptation.
3. a kind of electrification in high voltage stringing protector according to claim 1 or 2, characterized in that the rotating block is left and right
Symmetric shape, rotating block shaft are located on symmetry axis, and the center of gravity of rotating block is located at the nearly brake block side of rotating block.
4. a kind of electrification in high voltage stringing protector according to claim 1 or 2, characterized in that be additionally provided with limit in fixer
Position block（9）, limited block is equipped with the loose end confined planes being adapted to rotating block one side（91）, loose end confined planes are to the remote of rotating block
Rotational angle from brake block is limited.
5. a kind of electrification in high voltage stringing protector according to claim 4, characterized in that be additionally provided with tight end limit on limited block
Plane（92）, tight that confined planes is held to limit the rotational angle of the close brake block of rotating block.
6. a kind of electrification in high voltage stringing protector according to claim 5, characterized in that limited block is being located at rotating block just
Lower section, the lower end surface of rotating block are the plane extended in left-right direction；The tight end confined planes of limited block are located at the upper end of limited block
The side of nearly brake block, loose end confined planes are located at the other side；Limited block is with limited block pin shaft（10）Pin is scheduled in fixer, is limited
The pin shaft hole of block pin shaft（11）For the slotted hole on perforation fixer thickness direction, the extending direction of slotted hole is up and down direction.
7. a kind of electrification in high voltage stringing protector according to claim 6, characterized in that tight end confined planes are the arc of evagination
Shape face.
8. a kind of electrification in high voltage stringing protector according to claim 6, characterized in that loose end confined planes are and rotating block
The parallel plane in lower end surface.
9. a kind of electrification in high voltage stringing protector according to claim 1 or 2, characterized in that the drag-line surround closing,
Hook is fixed on drag-line and can not move along drag-line ring shaped axial.
10. a kind of electrification in high voltage stringing protector according to claim 1 or 2, characterized in that the drag-line is bandlet
Shape, bandwidth are adapted to the thickness of rotating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710289643.6A CN107181204B (en) | 2017-04-27 | 2017-04-27 | Electrification in high voltage stringing protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710289643.6A CN107181204B (en) | 2017-04-27 | 2017-04-27 | Electrification in high voltage stringing protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107181204A CN107181204A (en) | 2017-09-19 |
| CN107181204B true CN107181204B (en) | 2018-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710289643.6A Active CN107181204B (en) | 2017-04-27 | 2017-04-27 | Electrification in high voltage stringing protector |
Country Status (1)
| Country | Link |
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| CN (1) | CN107181204B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6908073B1 (en) * | 2004-02-20 | 2005-06-21 | Ching-Fong Hsien | Hand winch having a removable sway handle |
| CN101694932B (en) * | 2009-09-28 | 2012-04-11 | 孙渭清 | Rapid locking cable clamp |
| CN103785119B (en) * | 2012-10-31 | 2016-12-21 | 何少敦 | A kind of suspender |
| CN203098738U (en) * | 2013-01-24 | 2013-07-31 | 成都嘉泽正达科技有限公司 | Rope body self-lock device |
| CN105056417A (en) * | 2015-09-15 | 2015-11-18 | 福建省东山县辉永泰体育用品实业有限公司 | Rope grasping protector |
| CN205472404U (en) * | 2016-02-01 | 2016-08-17 | 国网冀北电力有限公司秦皇岛供电公司 | Auto -lock pulley gear |
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2017
- 2017-04-27 CN CN201710289643.6A patent/CN107181204B/en active Active
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| Publication number | Publication date |
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| CN107181204A (en) | 2017-09-19 |
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