CN112670929A - Windage yaw prevention insulator structure - Google Patents

Windage yaw prevention insulator structure Download PDF

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Publication number
CN112670929A
CN112670929A CN202011379690.8A CN202011379690A CN112670929A CN 112670929 A CN112670929 A CN 112670929A CN 202011379690 A CN202011379690 A CN 202011379690A CN 112670929 A CN112670929 A CN 112670929A
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China
Prior art keywords
connecting rod
buffer block
insulator
sleeve
windage yaw
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Granted
Application number
CN202011379690.8A
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Chinese (zh)
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CN112670929B (en
Inventor
王丽欢
刘建
李军阔
张骥
郭计元
任亚宁
郜帆
任雨
李渊
马聪
申向梁
张红梅
张德广
宫世杰
李楚
许智清
唐帅
李光毅
谢延涛
刘璇
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Hebei Huizhi Electric Power Engineering Design Co ltd
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd
Original Assignee
Hebei Huizhi Electric Power Engineering Design Co ltd
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd
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Priority to CN202011379690.8A priority Critical patent/CN112670929B/en
Publication of CN112670929A publication Critical patent/CN112670929A/en
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Publication of CN112670929B publication Critical patent/CN112670929B/en
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Abstract

The invention provides a windage yaw prevention insulator structure, which belongs to the technical field of power grid insulation and comprises an insulator string, a first connecting rod, a second connecting rod and a buffer block. The bottom of the insulator string is used for fixing the cable, and the top of the insulator string is used for connecting the cross arm; a plurality of sheaths and a plurality of sheds are arranged along the length direction of the insulator string at intervals. The connecting sleeve is installed to the tip of head rod, all overlaps on second connecting rod and the head rod to be equipped with the insulating boot. The buffer block is limited at the end part of the first connecting rod and the second connecting rod which are close to each other, and the buffer block is an insulating material part; the buffer block is matched with the insulating sleeve to insulate the tower and the insulator string; the insulator string is used for buffering the impact on the tower through extruding the buffer block. In the wind-deflection-preventing insulator structure provided by the invention, the impact of the insulator string on the tower can be reduced by the buffer block, so that wind kinetic energy can be effectively released, the stress concentration on related components is avoided, and the stability of the whole tower is ensured.

Description

Windage yaw prevention insulator structure
Technical Field
The invention belongs to the technical field of power grid insulation, and particularly relates to a wind deflection prevention insulator structure.
Background
Disastrous strong wind threatens the safe operation of a power grid transmission line all the time, and accidents such as pole and tower falling, line breakage, windage yaw, insulator string separation, hardware breakage and the like of the transmission line caused by strong wind and sand storm occur. Particularly, in a strong wind area, the electric insulator of the power transmission and transformation equipment has windage yaw under the action of wind power, even collides with nearby components, has serious potential safety hazards and harms the safe operation of a power grid.
The windage yaw prevention insulator is an insulator product arranged on a high-voltage transmission line and has all good electromechanical properties. However, when the existing insulator encounters high wind, the wind deflection is still easily caused due to the reason that the weight of the bottom of the body is too small, and the like, and although supporting devices and the like are arranged on the market to suppress the magnitude of the wind deflection of the insulator, the wind kinetic energy cannot be effectively released due to rigid connection, so that the stress concentration of related components is easily caused, and the service life of the related components and the stability of the whole tower are affected.
Disclosure of Invention
The invention aims to provide an anti-windage yaw insulator structure, and aims to solve the problems that wind kinetic energy cannot be effectively released due to the fact that supporting devices of supporting insulators are all in rigid connection, stress concentration of related components is easily caused, the service life of the related components is influenced, and the stability of the whole tower is influenced.
In order to achieve the purpose, the invention adopts the technical scheme that: providing a windage yaw prevention insulator structure comprising:
the bottom of the insulator string is used for fixing a cable, and the top of the insulator string is used for connecting a cross arm; a plurality of sheaths and a plurality of umbrella skirts are alternately arranged along the length direction of the insulator string;
the end part of the first connecting rod is provided with a connecting sleeve, and the connecting sleeve is used for being fixed on one of the sheaths;
the second connecting rod is arranged on one side, far away from the connecting sleeve, of the first connecting rod and is used for being hinged to a tower; the second connecting rod and the first connecting rod are sleeved with insulating sleeves;
the buffer block is limited at the end part, close to the first connecting rod and the second connecting rod, of the buffer block, and the buffer block is an insulating material part; the buffer block is matched with the insulation sleeve to insulate the tower and the insulator string; the insulator string is used for buffering the impact on the tower by extruding the buffer block.
As another embodiment of this application, insulator chain includes core bar and alternate suit a plurality of in the core bar outside the sheath and a plurality of the full skirt, along one of them the periphery of sheath is seted up be used for with adapter sleeve joint complex draw-in groove.
As another embodiment of this application, the inner wall of adapter sleeve is fixed with insulating cover, insulating cover is spacing in the draw-in groove.
As another embodiment of the present application, the buffer block has a polygonal pyramid structure.
As another embodiment of this application, the first connecting rod with the tip that the second connecting rod is close to mutually all offer and be used for spacing the spacing groove of buffer block.
As another embodiment of this application, be connected with two flexibility between the tip that first connecting rod and second connecting rod are close to mutually and reset the piece, two the flexibility resets the piece and distributes in the both sides of buffer block.
As another embodiment of the present application, two ends of each of the two flexible reset pieces may be detachably connected to the first connecting rod and the second connecting rod.
As another embodiment of the application, the second connecting rod is provided with an inserting hole for hinging the tower.
As another embodiment of this application, all offer on the first connecting rod with the second connecting rod and be used for the joint the flexible fixed slot that resets.
As another embodiment of this application, all the cover is equipped with the anticreep cover on the first connecting rod with the second connecting rod, the inner wall of anticreep cover leans on the lateral surface that resets two flexiblely.
The anti-wind-off insulator structure provided by the invention has the beneficial effects that: compared with the prior art, the wind deflection preventing insulator structure is characterized in that the bottom of the insulator string is used for fixing a cable, and the top of the insulator string is used for being connected to a cross arm. The plurality of sheaths and the plurality of sheds are arranged at intervals along the length direction of the insulator. The first connecting rod is installed on one of the sheaths through a connecting sleeve, and the other end of the first connecting rod is provided with a buffer block. The second connecting rod is located the buffer block and keeps away from one side of first connecting rod to the second connecting rod articulates on the shaft tower.
In this application, all the cover is equipped with insulating bush on head rod and second connecting rod, through setting up insulating bush and because the buffer block is the insulating material finished piece, avoided the cable to pass through the influence of head rod and second connecting rod to the shaft tower to the insulating nature between shaft tower and the insulator chain has been guaranteed.
When cables, insulator strings and the like are influenced by the external environment, the insulator strings extrude the first connecting rods, the buffer blocks are arranged between the first connecting rods and the second connecting rods, the insulator strings can be greatly restrained by the buffer blocks through wind deflection, and the impact of the insulator strings on the tower can be reduced by the buffer blocks, so that wind kinetic energy can be effectively released, stress concentration on related components is avoided, and the stability of the whole tower is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electrical insulator structure for preventing wind misalignment according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a windage yaw prevention insulator structure according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a windage yaw prevention insulator structure according to a third embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a schematic view of the connection of the connecting sleeve, the insulating sleeve and the mandrel according to the embodiment of the present invention.
In the figure: 1. a core rod; 2. a sheath; 3. an umbrella skirt; 4. an isolation sleeve; 5. connecting sleeves; 6. a first connecting rod; 7. a flexible restoring member; 8. a buffer block; 9. a second connecting rod; 10. an insulating sleeve; 11. the anti-drop sleeve; 12. a limiting groove; 13. a suspension clamp; 14. an electrical cable.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the structure of the windage yaw prevention insulator according to the present invention will now be described. The windage yaw prevention insulator structure comprises an insulator string and a first connecting rod 6. The bottom of the insulator string is used for fixing the cable, and the top of the insulator string is used for connecting the cross arm; a plurality of sheaths 2 and a plurality of sheds 3 are arranged along the length direction of the insulator string at intervals.
The end of the first connecting rod 6 is provided with a connecting sleeve 5, and the connecting sleeve 5 is used for being fixed on one of the sheaths 2. The second connecting rod 9 is arranged on one side of the first connecting rod 6 far away from the connecting sleeve 5, and the second connecting rod 9 is used for being hinged on a tower; the second connecting rod 9 and the first connecting rod 6 are both sleeved with insulating sleeves 10.
The buffer block 8 is limited at the end part of the first connecting rod 6 close to the second connecting rod 9, and the buffer block 8 is an insulating material part; the buffer block 8 is matched with the insulating sleeve 10 to insulate between the tower and the insulator string, and the insulator string is used for buffering the impact on the tower through extruding the buffer block 8.
The anti-wind-off insulator structure provided by the invention has the beneficial effects that: compared with the prior art, the wind deflection preventing insulator structure is characterized in that the bottom of the insulator string is used for fixing a cable, and the top of the insulator string is used for being connected to a cross arm. The plurality of sheaths 2 and the plurality of sheds 3 are arranged at intervals along the length direction of the insulator. The first connecting rod 6 is arranged on one of the sheaths 2 through a connecting sleeve 5, and the other end of the first connecting rod 6 is provided with a buffer block 8. The second connecting rod 9 is positioned on one side of the buffer block 8 far away from the first connecting rod 6, and the second connecting rod 9 is hinged on the tower.
In this application, all the cover is equipped with insulating bush 10 on head rod 6 and second connecting rod 9, through setting up insulating bush 10 and because buffer block 8 is the insulating material finished piece, has avoided the influence of cable 14 through head rod 6 and second connecting rod 9 to the shaft tower to the insulating nature between shaft tower and the insulator chain has been guaranteed.
When cable 14 and insulator chain etc. receive external environment's influence, insulator chain extrudees head rod 6, because be provided with buffer block 8 between head rod 6 and the second connecting rod 9, can very big suppression insulator chain's windage yaw through buffer block 8, and because buffer block 8 can reduce the impact of insulator chain to the shaft tower, make the wind kinetic energy can effectual release, thereby avoided the concentration of stress on relevant component, guaranteed the stability of whole shaft tower.
As a specific embodiment of the structure of the windage yaw prevention insulator provided by the present invention, please refer to fig. 1 to 5, the insulator string includes a core bar, and a plurality of sheaths 2 and a plurality of sheds 3 alternately sleeved outside the core bar, and a clamping groove for clamping and matching with the connecting sleeve 5 is formed along the periphery of one of the sheaths 2.
In the application, the insulator string is a composite insulator, a core rod 1 is positioned at the innermost part, a hard sheath 2 and an umbrella skirt 3 are wrapped outside the core rod 1, and the core rod 1 is a bearing part of the mechanical load of the composite insulator and is also a main part of internal insulation; the core rod 1 is made of glass fiber, epoxy resin and the like, and has excellent mechanical strength, insulating property and long-term stability.
Compared with the silicon rubber umbrella skirt 3 and the sheath 2, the hard umbrella skirt 3 and the sheath 2 have better ultraviolet resistance and weather resistance and can be maintained even under severe application environments. Meanwhile, the composite insulator has high temperature resistance and good corrosion resistance, is suitable for outdoor use, has the characteristics of high hardness, impact resistance, bird pecking resistance and the like, and can prevent the high-low voltage end sheath 2 of the composite insulator from being pecked by birds.
Two hardware fittings are connected to two ends of the core rod 1, are made of metal materials and play a role in connection and support. The bottom end of the core rod 1 is provided with a lower hardware fitting, and the top end of the core rod is provided with an upper hardware fitting. The lower hardware is connected with a suspension clamp 13, the cable is fixed through the suspension clamp 13, and the top end of the core rod 1 is fixed on the cross arm through the upper hardware.
The first connecting rod 6 is installed in the outer side of one of the sheaths 2 through the connecting sleeve 5, in order to enable the connecting sleeve 5 to be stable on the sheath 2, a clamping groove is formed in the periphery of the sheath 2, and the connecting sleeve 5 is clamped in the clamping groove. The connecting sleeve 5 has a certain deformation allowance, when the connecting sleeve 5 is installed, the connecting sleeve 5 is sleeved in a clamping groove formed in one of the sheaths 2, the connecting sleeve 5 can be clamped in the clamping groove through a bolt, and the connecting sleeve 5 is stabilized in the clamping groove by means of friction force.
Because the both sides of sheath 2 are the full skirt 3, in order to avoid the destruction of adapter sleeve 5 and head rod 6 to full skirt 3, thereby influence insulating nature, at first can connect adapter sleeve 5 on the sheath 2 that is located 1 middle part position of plug, and the length that is located 1 middle part regional sheath 2 of plug is longer, the aim at of this design makes the interval grow of two full skirts 3 that are located 2 both sides of this sheath, the installation and the dismantlement of adapter sleeve 5 not only are convenient for to this kind of design, can effectively avoid the destruction of head rod 6 to full skirt 3 simultaneously.
As a specific embodiment of the structure of the windage yaw prevention insulator provided by the present invention, please refer to fig. 4 and 5, an isolation sleeve 4 is fixed on an inner wall of a connection sleeve 5, and the isolation sleeve 4 is limited in a clamping groove.
As a specific embodiment of the structure of the windage yaw prevention insulator according to the present invention, please refer to fig. 3 and 5, the buffer block 8 is a polygonal pyramid structure.
Because the external environment is always in the changing process, the first connecting rod 6 always has acting force on the buffer block 8, and the buffer block 8 is always in a pressed state. In order to avoid the buffer block 8 from slipping off from the first connecting rod 6 and the second connecting rod 9, so that the position of the buffer block 8 can be always kept stable, firstly, the buffer block 8 is of a polygonal pyramid structure, and the polygonal pyramid structure can increase the contact area with the first connecting rod 6 and the second connecting rod compared with a cylinder, thereby ensuring that the buffer block 8 has enough bearing capacity.
In this application, when insulator chain, after first connecting rod 6 and second connecting rod 9 erect the completion, because the length of cable is reason such as longer, can make insulator chain produce and rock, avoid adapter sleeve 5 to sheath 2's destruction simultaneously for the reliability of connecting, be provided with insulating cover 4 along adapter sleeve 5's inner wall, insulating cover 4 is located the draw-in groove, and be located between adapter sleeve 5 and the sheath 2, insulating cover 4 has certain elasticity performance, can fill the clearance between adapter sleeve 5 and the draw-in groove through setting up insulating cover 4, the stability of connecting has not only been avoided the vibration assurance, can improve insulating nature through setting up insulating cover 4 simultaneously.
In the present application, please refer to fig. 4 and 5, in order to avoid the decrease of the insulation between the tower and the insulator string after the first connecting rod 6 and the second connecting rod 9 are added, the connecting sleeve 5 is connected to the middle part of the insulator string, the plurality of sheds 3 are arranged below the connecting sleeve 5 on the mandrel 1, and the plurality of sheds 3 are arranged above the connecting sleeve 5 on the mandrel 1, so the insulation between the suspension clamp 13 and the cross arm is not decreased.
The first connecting rod 6 and the second connecting rod 9 are both provided with the insulating sleeves 10, the insulating sleeves 10 can be regarded as the umbrella skirts 3, and the size of the umbrella skirts 3 on the first connecting rod 6 and the second connecting rod 9 can be larger than that of the umbrella skirts 3 on the insulator string, so that the insulation between the suspension clamp 13 and the tower is ensured.
As a specific embodiment of the anti-windage yaw insulator structure provided by the present invention, please refer to fig. 3 and 5, the end portions of the first connecting rod 6 and the second connecting rod 9 close to each other are both provided with a limiting groove 12 for limiting the buffer block 8.
The first connecting rod 6 is connected to the sheath 2 through the connecting sleeve 5, the cable and the insulator string are influenced by the external environment and act on the first connecting rod 6 through the connecting sleeve 5, a buffer block 8 is arranged between the first connecting rod 6 and the second connecting rod 9, and the first connecting rod 6 acts on the second connecting rod 9 through extruding the buffer block 8.
In order to make buffer block 8 can stabilize spacing between head rod 6 and second connecting rod 9, spacing groove 12 has all been seted up at the tip that head rod 6 and second connecting rod 9 are close to mutually, and spacing groove 12 can run through head rod 6 and second connecting rod 9 setting, and spacing groove 12 also can set up at the middle part of head rod 6 and second connecting rod 9, and buffer block 8 sets up with the laminating of spacing groove 12.
Referring to fig. 1, 2 and 3, as a specific embodiment of the anti-windage yaw insulator structure provided by the present invention, two flexible reset pieces 7 are connected between the end portions of the first connecting rod 6 and the second connecting rod 9, and the two flexible reset pieces 7 are distributed on two sides of the buffer block 8.
In this application, under free state, head rod 6 and second connecting rod 9 are close coaxial setting, and head rod 6 can follow second connecting rod 9's axial extrusion buffer 8 this moment. Under the effect of external environment, the buffer block 8 is extruded to head rod 6, thereby buffer block 8 pressurized extrudees second connecting rod 9, in order to make the effectual release of wind kinetic energy, because second connecting rod 9 articulates on the shaft tower, head rod 6 need swing certain angle for second connecting rod 9 this moment to need guarantee when head rod 6 swings for second connecting rod 9, can extrude buffer block 8 equally.
When the external influence disappears, the first connecting rod 6 and the second connecting rod 9 need to be reset. Therefore, two flexible reset pieces 7 are arranged on two sides of the buffer block 8, when the first connecting rod 6 swings relative to the second connecting rod 9, the flexible reset piece 7 on one side of the buffer block 8 is pressed, and the flexible reset piece 7 on the other side is pulled, and under the action of the two flexible reset pieces 7, the first connecting rod 6 and the second connecting rod 9 are reset to be in a coaxial state. First connecting piece and second connecting piece distribute in the both sides of buffer block 8, can carry on spacingly to buffer block 8.
Referring to fig. 1, 2 and 3, as an embodiment of the anti-windage yaw insulator structure provided by the present invention, both ends of two flexible reset pieces 7 can be detachably connected to a first connecting rod 6 and a second connecting rod 9.
In this application, in order to make flexible piece 7 that resets stably connect on head rod 6 and second connecting rod 9, can be convenient for change head rod 6 and second connecting rod 9 simultaneously, the both sides limit difference joint of flexible piece 7 that resets is on head rod 6 and second connecting rod 9.
In order to facilitate the installation and the disassembly, connecting holes can be formed in the first connecting rod 6 and the second connecting rod 9 in advance, and the flexible resetting piece 7 can be fixed on the first connecting rod 6 and the second connecting rod 9 by penetrating bolts through the flexible resetting piece 7 and connecting the bolts with the connecting holes in a threaded manner.
As a specific embodiment of the windage yaw prevention insulator structure provided by the invention, the second connecting rod 9 is provided with an insertion hole for hinging with a tower, and the insertion hole, the buffer block 8 and the flexible reset piece 7 are all arranged along the horizontal direction.
The end part of the second connecting rod 9 far away from the first connecting rod 6 is provided with an inserting hole which is used for being matched with a fixed seat on a tower in an inserting way. In order to effectively restore the first connecting rod 6 and the second connecting rod 9, the flexible restoring pieces 7 are arc-shaped pieces and are in a pulled state after being connected to the first connecting rod 6 and the second connecting rod 9, and the two flexible restoring pieces 7 are distributed on two sides of the buffer block 8.
The medial surface butt of two flexibility piece 7 that resets is on buffer block 8, and buffer block 8, two flexibility piece 7 and the equal level setting of spliced eye reset simultaneously to guarantee that head rod 6 and second connecting rod 9 can swing in vertical plane.
Referring to fig. 1, 2 and 3, as a specific embodiment of the anti-windage yaw insulator structure provided by the present invention, fixing grooves for clamping the flexible reset element 7 are respectively formed on the first connecting rod 6 and the second connecting rod 9.
In this application, it has the spliced pole to reset at flexibility 7 both sides integrated into one piece, and the diameter of spliced pole is greater than the thickness that the flexibility reset 7, and has seted up the fixed orifices at the tip that head rod 6 and second connecting rod 9 are close to mutually, when the installation, inserts the both sides that the flexibility reset 7 respectively in head rod 6 and second connecting rod 9 on the corresponding fixed orifices.
After connecting the both sides that reset the piece 7 with the flexibility at two fixed orificess, under initial condition, two flexibility reset the piece 7 and all are in the state of being drawn, and buffer block 8 and the flexibility reset the equal level setting of piece 7, second connecting rod 9 sets up with the articulated shaft same level of the body of rod simultaneously, consequently through articulated shaft and two flexibility on the second connecting rod 9 reset under the effect of piece 7, make head rod 6 and second connecting rod 9 only can swing in vertical plane, thereby guarantee the effective extrusion of head rod 6 and second connecting rod 9 to buffer block 8, and can effectually reset.
In this application, adapter sleeve 5 is connected in insulator chain's middle part region, in order to avoid head rod 6 and second connecting rod 9 to insulating influence, all is provided with insulating cover 10 on head rod 6 and second connecting rod 9, in order to further improve insulating nature, is provided with buffer block 8 and flexible piece 7 that resets between head rod 6 and the second connecting rod 9. The buffer block 8 and the flexible reset piece 7 are made of insulating materials, so that good insulating property is guaranteed.
As a specific embodiment of the structure of the windage yaw prevention insulator provided by the present invention, please refer to fig. 2, the first connecting rod 6 and the second connecting rod 9 are sleeved with the anti-drop sleeves 11, and the inner walls of the anti-drop sleeves 11 abut against the outer side surfaces of the two flexible reset pieces 7.
Because the flexible piece 7 that resets is flexible material, when the environment of outside is more complicated or meet strong wind weather, the amplitude of first connecting rod 6 for the swing of second connecting rod 9 is great, and the flexible degree of deformation that resets 7 of flexibility is great this moment, in order to avoid the inefficacy that flexible piece 7 that resets 7 connect, also the flexible piece 7 that resets slips from first connecting rod 6 or second connecting rod 9 promptly.
Limiting grooves 12 are formed in the first connecting rod 6 and the second connecting rod 9, the cross section of each limiting groove 12 is gradually decreased towards the direction of the end portion close to the first connecting rod 6 and the second connecting rod 9 from the end portions far away from the first connecting rod 6 and the second connecting rod 9, a protruding portion is arranged at the end portion of the flexible reset piece 7, and a communicating groove matched with the protruding portion is formed in the accommodating groove.
Slip-off prevention cover 11 slides and sets up on head rod 6 and second connecting rod 9, in actual installation, at first put into spacing groove 12 and intercommunication inslot respectively with flexible piece 7 that resets with the bellying, then slip-off prevention cover 11 to the flexible outside that resets 7, and the inner wall of this moment slip-off prevention cover 11 and the flexible lateral surface laminating setting that resets 7, after slip-off prevention cover 11 to appointed position, can make slip-off prevention cover 11 stabilize on head rod 6 and second connecting rod 9 through the locating pin.
In the actual use process, because flexible reset piece 7 can be drawn and deformed, but because the existence of anticreep cover 11 for flexible reset piece 7 can't be followed anticreep cover 11 and slided, thereby guaranteed the stability of whole device.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Prevent windage yaw insulator structure, its characterized in that includes:
the bottom of the insulator string is used for fixing a cable, and the top of the insulator string is used for connecting a cross arm; a plurality of sheaths and a plurality of umbrella skirts are alternately arranged along the length direction of the insulator string;
the end part of the first connecting rod is provided with a connecting sleeve, and the connecting sleeve is used for being fixed on one of the sheaths;
the second connecting rod is arranged on one side, far away from the connecting sleeve, of the first connecting rod and is used for being hinged to a tower; the second connecting rod and the first connecting rod are sleeved with insulating sleeves;
the buffer block is limited at the end part, close to the first connecting rod and the second connecting rod, of the buffer block, and the buffer block is an insulating material part; the buffer block is matched with the insulation sleeve to insulate the tower and the insulator string; the insulator string is used for buffering the impact on the tower by extruding the buffer block.
2. The wind deflection prevention insulator structure of claim 1, wherein the insulator string comprises a core bar, and a plurality of the sheaths and a plurality of the sheds which are alternately sleeved outside the core bar, and a clamping groove for clamping and matching with the connecting sleeve is formed along the periphery of one of the sheaths.
3. The windage yaw prevention insulator structure of claim 2, wherein an isolation sleeve is fixed to an inner wall of the connecting sleeve, and the isolation sleeve is limited in the clamping groove.
4. The wind deflection prevention insulator structure of claim 1, wherein the bumper is a polygonal pyramid structure.
5. The windage yaw prevention insulator structure of claim 4, wherein the end portions of the first connecting rod and the second connecting rod close to each other are provided with limiting grooves for limiting the buffer block.
6. The windage yaw insulator structure of claim 1, wherein two flexible reset members are connected between the ends of the first connecting rod and the second connecting rod that are close to each other, and the two flexible reset members are distributed on both sides of the buffer block.
7. The windage yaw insulator structure of claim 6, wherein both ends of both of said flexible return members are removably connected to said first connecting rod and said second connecting rod.
8. The windage yaw prevention insulator structure of claim 6, wherein the second connecting rod is provided with an insertion hole for hinging a tower.
9. The windage yaw prevention insulator structure of claim 6, wherein the first connecting rod and the second connecting rod are both provided with fixing grooves for clamping the flexible reset member.
10. The windage yaw prevention insulator structure of claim 7, wherein the first connecting rod and the second connecting rod are sleeved with anti-slip sleeves, and inner walls of the anti-slip sleeves abut against outer side surfaces of the two flexible restoring members.
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CN202422882U (en) * 2011-12-12 2012-09-05 河南省电力公司焦作供电公司 Wind deflection preventing diagonal insulator hardware
CN203026273U (en) * 2013-01-18 2013-06-26 固力发集团有限公司 Windage protection composite insulator
CN103594997A (en) * 2013-11-28 2014-02-19 国家电网公司 Spring shock absorption type alternate waving-preventing spacing bar
CN108462140A (en) * 2018-03-27 2018-08-28 国网冀北电力有限公司承德供电公司 A kind of thunder resisting equipment of transmission line of electricity
CN108962514A (en) * 2018-08-14 2018-12-07 芜湖市凯鑫避雷器有限责任公司 A kind of composite insulator with wind-shielding function
CN208986557U (en) * 2018-11-19 2019-06-14 国网山西省电力公司临汾供电公司 A kind of wind deflection preventive of insulator chain
CN110011249A (en) * 2019-04-29 2019-07-12 江苏神马电力股份有限公司 Windproof extended arm and power transmission tower
CN209692307U (en) * 2019-04-29 2019-11-26 江苏神马电力股份有限公司 Windproof extended arm and power transmission tower
CN210073486U (en) * 2019-05-30 2020-02-14 天津市新玻电力复合绝缘子制造股份有限公司 Composite insulator with windproof structure
CN211046394U (en) * 2019-12-06 2020-07-17 中国电力工程顾问集团西南电力设计院有限公司 Wind deflection prevention semi-V-shaped suspension string

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