CN206908193U - A kind of electrification in high voltage stringing protector - Google Patents
A kind of electrification in high voltage stringing protector Download PDFInfo
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- CN206908193U CN206908193U CN201720459370.0U CN201720459370U CN206908193U CN 206908193 U CN206908193 U CN 206908193U CN 201720459370 U CN201720459370 U CN 201720459370U CN 206908193 U CN206908193 U CN 206908193U
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- 230000001012 protector Effects 0.000 title claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract 2
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- 230000001154 acute effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003756 stirring Methods 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
- 230000003466 anti-cipated effect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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- 239000012211 strain insulator Substances 0.000 description 1
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Abstract
The utility model discloses a kind of electrification in high voltage stringing protector, including drag-line and 2 hooks, in addition to fixer；Fixer is the flat hollow body penetrated on length direction, and one end is provided with the hook steady pin of insertion fixer thickness direction；Fixed block, limited block, extension spring and limited block rotational pin are additionally provided with fixer；Fixed block is fixed in the middle part of body, and limited block can rotate around limited block rotational pin, and the rotation section of limited block forms with the position of limited block and overlapped；Spacer pin free end and one end of extension spring are connected, and the other end of extension spring is fixed in body；Guy cable pulley is fixed in the middle part of body rotatably, and drag-line enters in body from the other end, around guy cable pulley, passes through between fixed block and limited block；Hook is separately fixed at hook steady pin and by the drag-line between fixed block and limited block.The beneficial effects of the utility model are：With the good advantage of simple operation, safety effect.
Description
Technical field
The utility model belongs to electric construction tool field, specifically a kind of electrification in high voltage stringing protector.
Background technology
The overhead transmission line of high-tension electricity needs to set ground wire, and ground wire needs to be tensioned.Tradition does ground wire and tightens up work
When industry, turnbuckle is used.Such as Chinese patent literature CN203734217U, disclosed on July 23rd, 2014 " a kind of
Overhead transmission line straight line changes the powered turnbuckle of strain insulator ", including fixed support, two tight rope mechanisms, driving gear, driving handle, two lead
Messenger and two fly blocks；Two tight rope mechanisms include driven gear, stop gear, ratchet and tight rope reel respectively, and tight rope reel can
Fixed support is rotatably mounted to, driven gear and stop gear are rotatably mounted with tight rope reel coaxial linkage, ratchet respectively
It is meshed in fixed support, and with stop gear；Two tight rope reels are connected by pull rope with two fly blocks respectively；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 turnbuckles in parallel, main turnbuckle is used for being tensioned ground wire, and secondary turnbuckle is as insurance.In main turnbuckle pine
When de-, sliding tooth failure, secondary turnbuckle can hold the both ends that ground wire needs to be tensioned in moment, avoid the hair of contingency
It is raw.However, the turnbuckle as disclosed in foregoing prior art, it is necessary to follow main turnbuckle when as secondary turnbuckle
The slow and lasting rear line head of tension two of stringing precision, its structure is excessively complicated, and operation is excessively cumbersome, equivalent to secondary stringing
Device has repeated a Construction of Tension Stringing action again, causes efficiency of construction not high.
The content of the invention
The utility model technical issues that need to address are that secondary turnbuckle is used in existing electric power Construction of Tension Stringing as guarantor
Danger, cumbersome, operating efficiency is low, so as to provide a kind of electrification in high voltage stringing protector, has simple operation, safety effect good
Advantage.
To achieve these goals, the utility model adopts the following technical scheme that：A kind of electrification in high voltage stringing protector, bag
Include drag-line and 2 hooks, in addition to fixer；Fixer is the flat hollow body penetrated on length direction, and one end is provided with and passed through
The hook steady pin of logical fixer thickness direction；Fixed block, limited block, extension spring and limited block rotational pin are additionally provided with fixer；
Fixed block is fixed in the middle part of body, and limited block can rotate around limited block rotational pin, and limited block rotates section and the position of limited block
Put to form coincidence；Spacer pin free end and one end of extension spring are connected, and the other end of extension spring is fixed in body；Guy cable pulley is fixed
Rotatable in the middle part of body, drag-line enters in body from the other end, around guy cable pulley, is passed through between fixed block and limited block
Cross；Hook is separately fixed at hook steady pin and by the drag-line between fixed block and limited block.
The stringing protector of the technical program design, provided with a fixer, fixer is one and passed through in the longitudinal direction
Logical flat hollow body, a similar matchbox, the structure for adjusting drag-line are just arranged in the body.One end design of body
There is hook steady pin, for connecting a hook.Fixed block and limited block are fixed with body, fixed block can be designed to and casket
Body thickness is equal, and the thickness of limited block is slightly less than body thickness, can turn around the limited block rotational pin axially for body thickness direction
It is dynamic.The free end of limited block is also connected by extension spring with body, limited block is overcome the pulling force of extension spring when by external force
Rotated around limited block rotational pin, external force can be turned round after disappearing by tension spring tension to be resetted.Formed according to the radius of gyration of limited block
The rotation section of limited block, the position of the section and fixed block, which is formed, to be overlapped, therefore limited block is after certain angle is turned to, meeting
Contacted with fixed block, external force is bigger, and the pressure of the contact surface between limited block and fixed block is bigger, and the stiction of formation is got over
Greatly.Drag-line can be provided with the wall scroll or annular of two end points.Drag-line enters casket from the opening of the body other end
Body, around passing through again between fixed block and limited block after guy cable pulley, another hook is fixed in front end.In use, two hooks
It is pulled in respectively on the two-end-point of ground wire, this protector is turned into the locking device of main turnbuckle.Tightened up when main turnbuckle and lead ground
Behind line both ends, this protector is also required to forward pulling drag-line, and so as to which the distance between two hooks is furthered, now drag-line is in fixation
The draw direction of draw direction and extension spring between block and limited block forms the angle of very little, limited block and drawing under extension spring pulling
Stiction can not be formed between rope, drag-line can be pulled normally, this stringing efficiency for pulling efficiency to be far above turnbuckle,
Almost complete immediately.After drag-line moves suitable position to, drag-line is reversely pulled, now drag-line is between fixed block and limited block
Draw direction and the draw direction of extension spring form very big angle, larger friction is formed between drag-line and limited block surface
Power, limited block is overcome the pulling force of extension spring, rotated around limited block rotational pin, clamped in the drawing between limited block and fixed block
Rope, because the rotation section of limited block overlaps with fixed block, i.e., limited block can be touched after certain angle is turned to
To fixed block, both gaps are infinitely small, drag-line also infinitely clamped, the stiction between drag-line and limited block, fixed block
Reach maximum, this stiction is prevented drag-line and further moved backward, and forms brake force.If now main turnbuckle is anticipated
Outside, distance quickly increases between the two-end-point of ground wire, and the drag-line on this protector will be by two drag hooks by ground wire
Two-end-point is held, and avoids accident.Drag-line is reversely drawn tighter, and limited block is because frictional force turns to fixed block, and limited block is with consolidating
Determine block and drag-line is pressed from both sides tighter, the stiction between drag-line and limited block, fixed block is bigger, and drag-line is more difficult to move backward.
Extension spring can also use other elastic components to substitute, and the diverse location that can be optionally arranged in body, as long as can be in normality
Limited block can overcome elasticity during reverse slightly larger than thickness, the drag-line of the drag-line stress in the lower gap kept between limited block and fixed block
The elastic force of part turns to touching to fixed block.
Preferably, the free end of the limited block is acute angle shape, acute angle points to guy cable pulley.The acute angle is anti-in drag-line
To when pulling, it is easier to tangled by drag-line, make drag-line be easier to drive limited block to turn to.
Preferably, the side wall towards limited block of the fixed block is provided with the arc of indent, direction on the limited block
The arc of evagination is provided with corresponding in the side wall of limited block., can in fixed block with limited block to the corresponding arc of design on opposite
So that the gap length between fixed block and limited block is longer, the area that both form stiction between drag-line is bigger, institute
Caused stiction is bigger, bigger to the brake force of drag-line.
Preferably, it is evenly equipped with hook tooth on the arcwall face of the limited block.Hook tooth is designed inclined-plane direction drawing of growing up
Suo Ladong's is reverse, makes drag-line in reverse pull, and all hook tooths that drag-line touches can all form strong unidirectional to drag-line
Resistance, conversely, drag-line is applied with strong frictional force to limited block in reverse pull by these hook tooths, make limited block more
Easily it is rotated, clamps drag-line.
Preferably, the pin-and-hole of the limited block rotational pin is the slotted hole or arcuate socket in fixer body.Will
The pin-and-hole of limited block rotational pin is designed as slotted hole or arcuate socket, and after drag-line is limited block and moving block clamping, limited block can
To be moved along the direction of pin-and-hole, artificial unclamps this clamped condition, is easy to manual operation.
Preferably, the pin-and-hole is arcuate socket, and arc is the arc to fixed block side indent.So design, make
Limited block is simultaneously that limited block is close to fixed block along pin-and-hole rotation, another side is also synchronous along pin when reversely being pulled by drag-line
Hole arcuate directions are integrally close to fixed block, and the effect for clamping drag-line is more notable.
Preferably, the drag-line is fixed on drag-line and can not moved along drag-line ring shaped axial around closing, hook.Use
The annular drag-line of closing, would not produce stay cable end, also fail even if the drag-line clamping effect of this protector, still can
Prevent ground wire from releasing completely by drag-line itself annular.
Preferably, the drag-line is bandlet shape, bandwidth is adapted to the thickness of limited block.The drag-line of bandlet shape, it is and spacing
Block, the contact area of fixed block are bigger, and the stiction of acquisition is bigger.
In summary, the beneficial effects of the utility model are：With the good advantage of simple operation, safety effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation in fixer when drag-line is in forward pulling state.
Fig. 3 is the structural representation in fixer when drag-line is in reverse driving status.
Fig. 4 is the enlarged drawing of fixer inner structure.
Wherein：1 drag-line, 2 hooks, 3 fixers, 4 hook steady pins, 5 fixed blocks, 6 limited blocks, 7 extension springs, 8 limited blocks turn
Dynamic pin, 9 guy cable pulleys, 31 pin-and-holes, 61 hook tooths；Arrow show the pull direction of drag-line.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
Embodiment as shown in Figure 1, it is a kind of electrification in high voltage stringing protector, when power construction tightens up ground wire, makees
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, and another hook is fixed on fixation
On casket.
Fixer is the flat hollow body of a similar matchbox, up/down perforation, a casket surface of its thickness direction
Carry out installation and maintenance can be unloaded.The casket surface is opened, internal structure is as shown in figure 4, be designed with the fixed block 5 on right side, left side
Limited block 6, upper left extension spring 7 and fixed block above guy cable pulley 9.The thickness of fixed block is suitable with the thickness of fixer,
Cuboid is shaped as, left side wall is provided with the cambered surface of indent, and whole fixed block is fastened on the body of fixer with upper and lower two bolts
On.Limited block is an approximate L-shaped structure, and, limited block turn rotatable around limited block rotational pin 8 is designed as on the galianconism of lower section
The axis direction of dynamic pin is the thickness direction of fixer.The long-armed extension spring 7 that passes on left of top is connected with the upper left quarter of body,
Left side wall of the right side towards fixed block.The long-armed end of limited block is acute angle, points to the direction of guy cable pulley under normal conditions.Right side
Wall is provided with the arc of protrusion, is adapted to the arc concave shape on fixed block left side wall, makes to form arc between limited block and fixed block
Gap, and limited block it is long-armed on arcwall face on be evenly equipped with hook tooth 61, the long side direction of hook tooth is towards fixed block side
To i.e. clockwise, short side is towards counterclockwise.Overlapped because the rotation section of limited block is formed with the position of limited block,
When overcoming the pulling force of extension spring to rotate clockwise, the arc-shaped gaps between fixed block can be gradually reduced limited block, until spacing
Block touches fixed block.Drag-line is the annular of bandlet shape, and width is adapted to the width of limited block.Drag-line is worn counterclockwise upwards from bottom right
After crossing guy cable pulley, under the upper left of guy cable pulley, continue behind the gap of the arc through limited block and fixed block
Extend to left down, lower section is fixedly connected with hook, and the fixing point of the hook can not move axially along drag-line.
The pin-and-hole 31 of limited block rotational pin penetrates body thickness direction in the body of fixer.Pin-and-hole is arcuate socket,
, again can be with and arc is the arc to fixed block side indent, can both strengthen the clamping effect between limited block and fixed block
The position of manual adjustment limited block rotational pin, releases the clamped condition between limited block and fixed block.
When needing to tighten up ground wire in power construction, except main turnbuckle holds the both ends of ground wire, this protection respectively
Two hooks of device also hold the both ends of ground wire respectively, form insurance.When normality, main turnbuckle gradually receives nearly ground wire two
The distance between end, this protector also progressively collapse the distance between two hooks therewith.State now is as shown in Fig. 2 drag-line
In forward pulling state, that is, the clockwise direction illustrated, due to the pulling force of extension spring be present, drag-line passes through limited block from bottom to top
During arc-shaped gaps between fixed block, frictional force is not enough to band firmly hook tooth, therefore drag-line easily can be drawn clockwise
It is dynamic.After tension, it is possible to manually stir the position of limited block rotational pin to the lower end of pin-and-hole, make between limited block and fixed block
Arc-shaped gaps diminish, now counterclockwise pull drag-line, as shown in figure 3, drag-line can by frictional force drive hook tooth, push away
Dynamic limited block overcomes extension spring to be rotated clockwise, and pulling force is bigger, and frictional force is bigger, and limited block rotation is bigger, and limited block is with consolidating
The gap determined between block is smaller, bigger to the clamping force of drag-line, and the stiction between drag-line and limited block, fixed block is bigger,
The resistance of pulling counterclockwise to drag-line is bigger, and forming drag-line with this can unidirectionally pull to the greatest extent in the clockwise direction, it is ensured that two
The distance between hook is constant, so as to which the accident formed to main turnbuckle is protected.Main turnbuckle further tightens up ground wire both ends
Apart from when, operating personnel can manually stir the position of limited block rotational pin to the upper end of pin-and-hole, untie limited block and fixed block
To the clamped condition of drag-line, drag-line is pulled clockwise again, progress is next to tighten up action.
Claims (8)
1. a kind of electrification in high voltage stringing protector, including drag-line（1）With 2 hooks（2）, it is characterized in that, in addition to fixer
（3）；Fixer is the flat hollow body penetrated on length direction, and the hook that one end is provided with insertion fixer thickness direction is fixed
Pin（4）；Fixed block is additionally provided with fixer（5）, limited block（6）, extension spring（7）With limited block rotational pin（8）；Fixed block is fixed on
In the middle part of body, limited block can rotate around limited block rotational pin, and the rotation section of limited block forms with the position of limited block and overlapped；Limit
Position pin free end and one end of extension spring are connected, and the other end of extension spring is fixed in body；Guy cable pulley（9）It is fixed in the middle part of body
Rotatably, drag-line enters in body from the other end, around guy cable pulley, passes through between fixed block and limited block；Hook difference
It is fixed on hook steady pin and by the drag-line between fixed block and limited block.
2. a kind of electrification in high voltage stringing protector according to claim 1, it is characterized in that, the free end of the limited block is
Acute angle shape, acute angle point to guy cable pulley.
3. a kind of electrification in high voltage stringing protector according to claim 1 or 2, it is characterized in that, the direction of the fixed block
The side wall of limited block is provided with the arc of indent, towards the arc that evagination is provided with corresponding in the side wall of limited block on the limited block
Shape.
4. a kind of electrification in high voltage stringing protector according to claim 3, it is characterized in that, on the arcwall face of the limited block
It is evenly equipped with hook tooth（61）.
5. a kind of electrification in high voltage stringing protector according to claim 1 or 2, it is characterized in that, the limited block rotational pin
Pin-and-hole（31）For the slotted hole or arcuate socket in fixer body.
6. a kind of electrification in high voltage stringing protector according to claim 5, it is characterized in that, the pin-and-hole is arcuate socket, and
Arc is the arc to fixed block side indent.
7. a kind of electrification in high voltage stringing protector according to claim 1 or 2, it is characterized in that, the drag-line surround closing,
Hook is fixed on drag-line and can not moved along drag-line ring shaped axial.
8. a kind of electrification in high voltage stringing protector according to claim 1 or 2, it is characterized in that, the drag-line is bandlet shape,
Bandwidth is adapted to the thickness of limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459370.0U CN206908193U (en) | 2017-04-27 | 2017-04-27 | A kind of electrification in high voltage stringing protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459370.0U CN206908193U (en) | 2017-04-27 | 2017-04-27 | A kind of electrification in high voltage stringing protector |
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| Publication Number | Publication Date |
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| CN206908193U true CN206908193U (en) | 2018-01-19 |
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| CN201720459370.0U Active CN206908193U (en) | 2017-04-27 | 2017-04-27 | A kind of electrification in high voltage stringing protector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888678A (en) * | 2018-12-28 | 2019-06-14 | 国网浙江嘉善县供电有限公司 | A kind of electronic wire stripping combination unit of cable insulation |
| CN110838695A (en) * | 2019-11-18 | 2020-02-25 | 中国建筑第八工程局有限公司 | Adjustable combined corner pulley device and adjusting method |
-
2017
- 2017-04-27 CN CN201720459370.0U patent/CN206908193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888678A (en) * | 2018-12-28 | 2019-06-14 | 国网浙江嘉善县供电有限公司 | A kind of electronic wire stripping combination unit of cable insulation |
| CN110838695A (en) * | 2019-11-18 | 2020-02-25 | 中国建筑第八工程局有限公司 | Adjustable combined corner pulley device and adjusting method |
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