CN107859408A - Cat-head transmission tower and its loop structure - Google Patents
Cat-head transmission tower and its loop structure Download PDFInfo
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- CN107859408A CN107859408A CN201711124909.8A CN201711124909A CN107859408A CN 107859408 A CN107859408 A CN 107859408A CN 201711124909 A CN201711124909 A CN 201711124909A CN 107859408 A CN107859408 A CN 107859408A
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- traverse line
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 239000012212 insulator Substances 0.000 claims abstract description 247
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 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
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/187—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with hinged sections
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
- Insulators (AREA)
Abstract
The invention discloses a kind of cat-head transmission tower and its loop structure, wherein, main traverse line cross-arm can be stretched along its length, and first one end cranked arm is connected with one end of main traverse line cross-arm, and second one end cranked arm is connected with the other end of main traverse line cross-arm；The other end that first other end cranked arm can crank arm with respect to second is rotatablely connected, makes main traverse line cross-arm can upper and lower translation；Or first crank arm and second crank arm can be stretched along respective length direction, make main traverse line cross-arm can upper and lower translation, in addition to for locking or unclamp the lockable mechanism of the rotational motion and stretching motion；Main traverse line cross-arm, first crank arm and described second cranks arm and cooperatively form tower window, side is provided with the first insulator chain and the second insulator chain to tower outside window, the inner side of tower window is provided with the 3rd insulator chain, and the first insulator chain, the second insulator chain and the 3rd insulator chain cooperatively form loop structure.The cat-head transmission tower and its loop structure of the present invention, loop structure flexible form, is passed through beneficial to the intersection of circuit.
Description
Technical field
The present invention relates to electrical equipment technical field, and in particular to a kind of cat-head transmission tower and its loop structure.
Background technology
Different regions there is larger difference, cause the regional circuit high to power demand to be walked the demand of electric power
Corridor becomes the structure type that increasingly huge, traditional power transmission tower its wire cross-arm use be arranged in parallel vertically, causes its loop to be tied
Structure arrangement form also mutually should be and be arranged in parallel vertically, and loop structure form is single, and it is big when crossing elimination passes through to pass through difficulty.
The content of the invention
Based on this, it is necessary to provide a kind of cat-head transmission tower and its loop structure, loop structure flexible form, beneficial to the friendship of circuit
Fork passes through.
Its technical scheme is as follows：
A kind of loop structure of cat-head transmission tower, including：Main traverse line cross-arm, the main traverse line cross-arm can be stretched along its length
Contracting；And crank arm assembly, the crank arm assembly is cranked arm including first and second cranks arm, and described first cranks arm including relative first end
With the second end, described second cranks arm dominates including the 3rd relative end and the 4th end, first first end cranked arm with described
One end connection of line cross-arm, the described second the 3rd end cranked arm is connected with the other end of the main traverse line cross-arm；Described first is bent
Second end of arm can relatively described second crank arm the 4th end rotation connection, make the main traverse line cross-arm can upper and lower translation, it is described
Crank arm assembly also includes the first lockable mechanism, and first lockable mechanism is used to locking or unclamps described first cranking arm and described the
Two crank arm between relative rotation；Or described first crank arm and can stretch along its length and described second crank arm can be along its length
Direction stretches, make the main traverse line cross-arm can upper and lower translation, the crank arm assembly also includes the second lockable mechanism, second lock
Locking mechanism is used for locking or release described first is cranked arm and second stretching motion cranked arm；It is the main traverse line cross-arm, described
First cranks arm and described second cranks arm and cooperatively form tower window, and the tower window is provided with relative the first outside and the second outside, described
First outside of tower window is provided with the first insulator chain, and the second outside of the tower window is provided with the second insulator chain, the tower window
Inner side is provided with the 3rd insulator chain, and first insulator chain, second insulator chain and the 3rd insulator chain coordinate
Form the loop structure.
The loop structure of the cat-head transmission tower of the embodiment of the present invention, including main traverse line cross-arm and crank arm assembly, wherein, main traverse line is horizontal
Load can be stretched along its length, and crank arm assembly is cranked arm including first and cranked arm with second, the first first end cranked arm and main traverse line
One end connection of cross-arm, the second the 3rd end cranked arm is connected with the other end of main traverse line cross-arm, the first the second end cranked arm and the
Two the 4th ends cranked arm connect and the first the second end cranked arm can rotate relative to the second the 4th end cranked arm, and are cranked arm using first
Second end can rotate relative to the second the 4th end cranked arm causes main traverse line cross-arm to be translated under in the vertical direction, utilizes the first lock
Locking mechanism is cranked arm to first carries out locking or release with the rotation between second cranks arm；Or it can also be that first cranks arm along its length
Degree direction is flexible and second cranks arm and stretch along its length, flexible is caused using what the first crank arm flexible and second were cranked arm
Main traverse line cross-arm can translate under in the vertical direction, be cranked arm using cranked arm to first flexible of the second lockable mechanism and second
It is flexible to realize locking or release；Main traverse line cross-arm, first are cranked arm and second cranks arm and cooperatively form tower window, and the first outside of tower window is set
There are the first insulator chain, the second outside to be provided with the second insulator chain, the inner side of tower window is provided with the 3rd insulator chain, the first insulator
String, the second insulator chain and the 3rd insulator chain cooperatively form loop structure, by main traverse line cross-arm above and below vertical direction
Translation realizes that the width of tower head part changes, and the interior of tower window can be flexibly arranged at by forming the insulator chain of loop structure
Side and outside, passed through beneficial to the intersection of circuit.
Technical scheme is illustrated further below：
In one of the embodiments, first insulator chain is two and two first insulator chains by pre-
If electrical distance is set, second insulator chain is that two and two second insulator chains are set by default electrical distance
Put, the 3rd insulator chain is that two and two the 3rd insulator chains press default electrical distance setting, one of institute
State the 3rd insulator chain and two first insulator chains cooperatively form the first loop structure, another described 3rd insulator
String cooperatively forms second servo loop structure with two second insulator chains.First insulator chain, the second insulator chain and the 3rd
Insulator chain is two, is set between mutual insulator chain by default electrical distance, its in two the 3rd insulator chains
In one and two the first insulator chains cooperatively form the first loop structure, another the 3rd insulator chain and two second insulation
Substring cooperatively forms second servo loop structure, form the insulator chain of loop structure can flexibly be arranged at the inner side of tower window with it is outer
Side.
In one of the embodiments, length direction of two the 3rd insulator chains along the main traverse line cross-arm is by pre-
If electrical distance is arranged at intervals, or longitudinal direction of two the 3rd insulator chains along the main traverse line cross-arm is by default electric
Distance is arranged at intervals.Two the 3rd insulator chains can select in tower window the length along main traverse line cross-arm according to actual installation demand
Direction is spent to press default electrical distance interval setting or be arranged at intervals by default electrical distance along the longitudinal direction of main traverse line cross-arm.
In one of the embodiments, described first crank arm including being cranked arm on the first lower bent lever and first, described second is bent
Arm includes cranking arm on the second lower bent lever and second, and the one end cranked arm on described first is connected with one end of the main traverse line cross-arm,
The one end cranked arm on described second is connected with the other end of the main traverse line cross-arm；One end of first lower bent lever can be with respect to institute
State the second lower bent lever one end rotation connection, make the main traverse line cross-arm can upper and lower translation, and/or, first lower bent lever
The other end cranked arm on the other end and described first is rotatably connected and on the other end of second lower bent lever and described second
The other end cranked arm is rotatably connected, makes the main traverse line cross-arm can upper and lower translation.Between being cranked arm on first lower bent lever and first
Be rotatably connected, cranked arm on the second lower bent lever and second between be rotatably connected so that main traverse line cross-arm is in the upper of vertical direction
Lower motion is more flexible, and the width adjusting of tower head part is also more flexible so that the arrangement of loop structure is also more flexible.
In one of the embodiments, in addition to be arranged at the tower window first outside the first side wire cross-arm group and
The second side wire cross-arm group in the second outside of the tower window is arranged at, the first side wire cross-arm group includes the first lower wire
Wire cross-arm on wire cross-arm and first in cross-arm, first, the first lower wire cross-arm are arranged on first lower bent lever,
Wire cross-arm is arranged on described first in described first crank arm on, it is horizontal to be arranged at the main traverse line for wire cross-arm on described first
One end of load；The second side wire cross-arm group is horizontal including wire on wire cross-arm and second in the second lower wire cross-arm, second
Load, the second lower wire cross-arm are arranged on second lower bent lever, and wire cross-arm is arranged at described second in described second
On crank arm on, wire cross-arm is arranged at the other end of the main traverse line cross-arm on described second.First side wire cross-arm group is set
On being cranked arm in first, the second side wire cross-arm group be arranged at second crank arm on, first in wire cross-arm group and second wire it is horizontal
Insulator chain can be provided with load group so that the position and arrangement form of insulator chain can flexibly be set.
In one of the embodiments, first insulator chain is three, and three first insulator chains are by default
Electrical distance is set in turn on the first lower wire cross-arm, wire is horizontal in described first on wire cross-arm and on described first
In load and three first insulator chains cooperatively form tertiary circuit structure；Second insulator chain is three, three institutes
State the second insulator chain be set in turn in by default electrical distance on the second lower wire cross-arm, wire cross-arm in described second
It is upper and described second on wire cross-arm and three second insulator chains cooperatively form the 4th loop structure；Described 3rd
Insulator chain is three, and three the 3rd insulator chains press default electrical distance setting and three the 3rd insulator chains
Cooperatively form the 5th loop structure.Three the first insulator chains of tertiary circuit structure are flexibly set successively by default electrical distance
In on the first lower wire cross-arm, in first on wire cross-arm and on first on wire cross-arm；Three second of 4th loop structure
Insulator chain is flexibly arranged on the second lower wire cross-arm successively by default electrical distance, in second on wire cross-arm and on second
On wire cross-arm；Three the 3rd insulator chains of the 5th loop structure are flexibly arranged in tower window by default electrical distance.
In one of the embodiments, three the 3rd insulator chains are respectively spaced by default electrical distance
First V-type insulator chain, the second V-type insulator chain and the 3rd V-type insulator chain, the both ends of the first V-type insulator chain, institute
The both ends of the second V-type insulator chain and the both ends of the 3rd V-type insulator chain are stated to may be contained within the main traverse line cross-arm；
Or, the both ends of the first V-type insulator chain and the both ends of the second V-type insulator chain are arranged at the main traverse line cross-arm
On, one end of the 3rd V-type insulator chain be arranged at described first crank arm the upper, other end be arranged at described second crank arm on；
Or, one end of the first V-type insulator chain is arranged on the main traverse line cross-arm, the other end is arranged at described first and cranked arm
On, one end of the second V-type insulator chain is arranged on the main traverse line cross-arm, the other end is arranged at described second and cranked arm
On, the both ends of the 3rd V-type insulator may be contained within the main traverse line cross-arm；Or, the one of the first V-type insulator chain
End be arranged on the main traverse line cross-arm, the other end be arranged at described first crank arm on, one end of the second V-type insulator chain
Be arranged on the main traverse line cross-arm, the other end be arranged at described second crank arm on, one end of the 3rd V-type insulator chain is set
Be placed in described first crank arm the upper, other end be arranged at described second crank arm on.The both ends of V-type insulator chain in tower window are flexible
It is arranged on main traverse line cross-arm and/or crank arm assembly.
In one of the embodiments, the first lower wire cross-arm can move along the length direction of first lower bent lever
Dynamic, the second lower wire cross-arm can move along the length direction of second lower bent lever；And/or wire is horizontal in described first
The length direction that carrying on a shoulder pole can crank arm along described first moves, the length that wire cross-arm can crank arm along described second in described second
Move in direction.First lower wire cross-arm can and second lower wire cross-arm adjustable along the position on the length direction of the first lower bent lever can
It is adjustable along the position on the length direction of the second lower bent lever, it can be adjusted according to the actual requirements on the premise of electrical safety distance is met
Save the first lower wire cross-arm with respect to first on wire on the distance between wire cross-arm and the second lower wire cross-arm relative second
The distance between cross-arm, to adapt to the change of tower head partial width consequently facilitating the arrangement of insulator chain；Wire cross-arm on first
The position on length direction that can be cranked arm along first is adjustable, on the length direction that wire cross-arm can crank arm along second on second
Position it is adjustable, can wire cross-arm relative first more in actual demand regulation first on the premise of electrical safety distance is met
Wire cross-arm is with respect to the distance between second lower wire cross-arm on the distance between lower wire cross-arm and second, more flexibly
The change of tower head partial width is adapted to consequently facilitating the arrangement of insulator chain.
In one of the embodiments, in addition to earth wire support component, the earth wire support component include the first ground wire branch
Frame and the second earth wire support, first earth wire support are arranged at one end of the main traverse line cross-arm and the first ground wire branch
Frame is provided with wire cross-arm on described first, and second earth wire support is arranged at the other end of the main traverse line cross-arm and institute
Stating the second earth wire support, provided with wire cross-arm on wire cross-arm, or described first on described second to be arranged at the main traverse line horizontal
Wire cross-arm is provided with first earth wire support on one end of load and described first, and wire cross-arm is arranged on described second
Wire cross-arm is provided with second earth wire support, or described first on the other end of the main traverse line cross-arm and described second
Upper wire cross-arm and first earth wire support are shifted to install in wire cross-arm on one end of the main traverse line cross-arm, described second
And second earth wire support is shifted to install in the other end of the main traverse line cross-arm.Wire cross-arm and the first ground wire branch on first
Position relationship between frame can be according to being actually needed on flexible arrangement and second between wire cross-arm and the second earth wire support
Position relationship can be according to being actually needed flexible arrangement so that the arrangement form of loop structure can be adjusted flexibly.
The cat-head transmission tower of the present invention, including：Tower body, the tower body are provided with first end；And the loop structure of above-mentioned cat-head transmission tower, institute
State the first the second end cranked arm and the described second the 4th end cranked arm is connected and described first with the first end of the tower body respectively
The second end cranked arm can rotate relative to the described second the 4th end cranked arm, make the main traverse line cross-arm can upper and lower translation；It is or, described
First the second end cranked arm and the described second the 4th end cranked arm are connected respectively with the first end of the tower body and first song
Arm can stretch along its length and described second cranks arm and can along its length stretch, the main traverse line cross-arm is put down up and down
Move.
The cat-head transmission tower of the embodiment of the present invention, tower head part are connected with tower body part, and main traverse line cross-arm can in the vertical direction
Lower translation, so as to change the width of tower head part, the first insulator chain is arranged at the first outside of tower window, and the second insulator chain is set
The second outside of tower window is placed in, the 3rd insulator chain is arranged on the main traverse line cross-arm in tower window and/or on crank arm assembly, formed
The insulator chain of loop structure can flexibly be arranged at the inner and outer of tower window, be passed through beneficial to the intersection of circuit.
Brief description of the drawings
Fig. 1 is the structural representation of the loop structure embodiment one of the cat-head transmission tower of the present invention；
Fig. 2 is the structural representation of the loop structure embodiment two of the cat-head transmission tower of the present invention；
Fig. 3 is the structural representation of the loop structure embodiment three of the cat-head transmission tower of the present invention；
Fig. 4 is the structural representation of the loop structure example IV of the cat-head transmission tower of the present invention.
Description of reference numerals：
100th, tower body, 210, main traverse line cross-arm, 220, first cranks arm, the 221, first lower bent lever, is cranked arm on 222, first,
230th, second crank arm, the 231, second lower bent lever, crank arm on 232, second, the 241, first lower wire cross-arm, the 242, second lower wire
Cross-arm, wire cross-arm in 243, first, wire cross-arm in 244, second, wire cross-arm on 245, first, wire on 246, second
Cross-arm, the 251, first earth wire support, the 252, second earth wire support, the 260, first outside, the 270, second outside, the 310, first insulation
Substring, the 320, second insulator chain, the 330, the 3rd insulator chain.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing and specific embodiment party
Formula, the present invention is described in further detail.It should be appreciated that embodiment described herein is only solving
The present invention is released, does not limit protection scope of the present invention.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.Can be detachable solid between them when element is referred to as " fixing " another element
It can also be non-removable fixed form to determine mode.When an element is considered as " connection " another element, it can be
It is directly connected to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the constraint present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
The similar term such as heretofore described " first ", " second ", " the 3rd " does not represent specific quantity and order, only
It is the differentiation for title.
As shown in Figures 1 to 4, the loop structure of the cat-head transmission tower of the embodiment of the present invention, including：Main traverse line cross-arm 210, dominate
Line cross-arm 210 can stretch along its length；And crank arm assembly, crank arm assembly are cranked arm including first and 220 and second crank arm 230,
First, which cranks arm, 220 includes relative first end and the second end, and second, which cranks arm, 230 includes relative the 3rd end and the 4th end, and first
220 first end of cranking arm is connected with one end of main traverse line cross-arm 210, second crank arm 230 the 3rd end and main traverse line cross-arm 210
The other end connects；First crank arm 220 the second end can be cranked arm with respect to second 230 the 4th end rotation connection, make main traverse line cross-arm
210 can upper and lower translation, crank arm assembly also includes the first lockable mechanism (not shown), and the first lockable mechanism is used for locking or unclamps the
One cranks arm 220 and second relative rotation cranked arm between 230；Or first crank arm and 220 can stretch along its length and second is bent
Arm 230 can stretch along its length, make main traverse line cross-arm 210 can upper and lower translation, crank arm assembly also includes the second lockable mechanism
(not shown), the second lockable mechanism be used for locking or unclamp first crank arm 220 and second crank arm 230 stretching motion；Main traverse line
Cross-arm 210, first, which crank arm, 220 and second to crank arm and 230 cooperatively forms tower window, and tower window is provided with the first relative outside 260 and second
Outside 270, the first outside 260 of tower window are provided with the first insulator chain 310, and the second outside 270 of tower window is provided with the second insulator
String 320, the inner side of tower window are provided with the 3rd insulator chain 330, the first insulator chain 310, the second insulator chain 320 and the 3rd insulation
Substring 330 cooperatively forms loop structure.
The loop structure of the cat-head transmission tower of above-described embodiment, including main traverse line cross-arm 210 and crank arm assembly, wherein, main traverse line
Cross-arm 210 can stretch to adapt to the adjustment of tower head height along its length, and crank arm assembly cranks arm 220 and second including first
Crank arm 230, the first crank arm 220 first end is connected with one end of main traverse line cross-arm 210, second crank arm 230 the 3rd end and master
Wire cross-arm 210 the other end connection, first crank arm 220 the second end with second crank arm 230 the 4th end be connected and first song
Second end of arm 220 can relative to second crank arm 230 the 4th end rotate, in embodiment one, first crank arm 220 the second end connect
Being connected to one end of tower body 100 and first crank arm 220 the second end can rotate relative to one end of tower body 100, second crank arm 230 the
Four ends be connected to one end of tower body 100 and second crank arm 230 the 4th end can relative to tower body 100 one end rotate；In embodiment
In two, first cranks arm 220 the second end and the second crank arm 230 the 4th end is connected to one end of tower body 100 and first bent
Second end of arm 220 and second crank arm 230 the 4th end between be rotatably connected；In embodiment three, first cranks arm 220 can
Stretch along its length and second cranks arm and 230 can stretch along its length.Crank arm and 220 cranked arm with second using first
Rotated while between 230 and locking and release of first lockable mechanism to the rotational motion, such as, can first crank arm
220 relative second, which crank arm, 230 turns right, while second cranks arm and 230 relative first crank arm and 220 turn left or the
One, which cranks arm, 220 relative second cranks arm and 230 turns left, while second cranks arm and 230 relative first crank arm and 220 turn right.Pass through
First cranks arm 220 and second rotation cranked arm between 230, and combines the first lockable mechanism and locking is carried out to the rotation with unclamping,
Realize the upper and lower translation of the in the vertical direction of main traverse line cross-arm 210；Can also be first crank arm 220 and second crank arm 230 it is same
When locking and release of flexible and the second lockable mechanism to the stretching motion so that the in the vertical direction of main traverse line cross-arm 210
Can upper and lower translation, meanwhile, main traverse line cross-arm 210, first, which crank arm, 220 and second to crank arm and 230 cooperatively forms tower window, the first of tower window
Outside 260 is provided with first the 310, second outside 270 of insulator chain and is provided with the second insulator chain 320, and the inner side of tower window is provided with the 3rd
Insulator chain 330, the first insulator chain 310, the second insulator chain 320 and the 3rd insulator chain 330 cooperatively form loop structure,
Realize that the width of tower head part changes in the upper and lower translation of vertical direction by main traverse line cross-arm 210, form loop structure
Insulator chain can flexibly be arranged at the inner and outer of tower window, passed through beneficial to the intersection of circuit, meanwhile, with traditional drum
Shape, umbrella shape tower are compared, and the cat-head transmission tower steel consumption of the embodiment of the present invention is small, can effectively reduce tower head height about 40%~
55%, the cost for passing through existing line is not only reduced, saves construction investment, and lightning protection effect is good.
Need to illustrate, the stretch mode of main traverse line cross-arm 210, first crank arm 220 stretch mode and
Two crank arm 230 stretch mode, can be the stretch mode that is slidably matched or stretch mode that socket coordinates, may be used also
To be other existing structures that can realize Telescopic；First lockable mechanism and the second lockable mechanism can be lock pin with
The form that the form or bolt and screwed hole that lockhole coordinates coordinate, it can also be that other existing can realize locking
The mechanism or element of function；First, which cranks arm, 220 and second cranks arm and is also provided with linkage, such as linkage between 230
Or linkage so that the first crank arm 220 rotation can drive second to crank arm 230 linkages without cranking arm 220 to first respectively
And second crank arm and 230 rotated or stretched.The respective wire that the insulator chain of loop structure is hung cooperatively forms loop.
As shown in figure 1, on the basis of above-described embodiment, the quantity of the first insulator chain 310, the second insulator chain 320
Quantity, the quantity of the 3rd insulator chain 330 can simultaneously be one；The quantity of first insulator chain 310, the second insulator chain
320 quantity, the quantity of the 3rd insulator chain 330 can also be two simultaneously；It is the quantity of first insulator chain 310, second exhausted
The quantity of edge substring 320, the quantity of the 3rd insulator chain 330 can also be three simultaneously.Specifically, the first insulator chain 310
Press default electrical distance for two and two the first insulator chains 310 and set, the second insulator chain 320 is two and two the
Two insulator chains 320 are pressed default electrical distance and set, and the 3rd insulator chain 330 is two and two the 3rd insulator chains 330 are pressed
Default electrical distance is set, and one of them the 3rd insulator chain 330 and two the first insulator chains 310 cooperatively form the first loop
Structure, another the 3rd insulator chain 330 and two the second insulator chains 320 cooperatively form second servo loop structure.First insulation
Substring 310, the second insulator chain 320 and the 3rd insulator chain 330 are two, by default electric between mutual insulator chain
Distance is set, and one of them in two the 3rd insulator chains 330 and two the first insulator chains 310 cooperatively form the first loop
The wire that three insulator chains of structure and the first loop structure are hung is triangularly arranged, another the 3rd insulator chain 330
Cooperatively form what three insulator chains of second servo loop structure and second servo loop structure were hung with two the second insulator chains 320
Wire is triangularly arranged, and the inner and outer of tower window, triangle can be flexibly arranged at by forming the insulator chain of loop structure
The wire laying mode of shape so that tower head load transmission is uniform, and stress performance is good.More specifically, close to one of the first outside 260 the
Three insulator chains 330 cooperatively form the first loop structure with being arranged at first two the first insulator chains 310 on 220 of cranking arm,
The 3rd insulator chain 330 close to the second outside 270 is with being arranged at the second two the second insulator chains cranked arm on 230
320 cooperatively form second servo loop structure.
Further, length direction of two the 3rd insulator chains 330 along main traverse line cross-arm 210 is by between default electrical distance
Press default electrical distance every setting, or longitudinal direction of two the 3rd insulator chains 330 along main traverse line cross-arm 210 and be arranged at intervals.
Two the 3rd insulator chains 330 can select the length direction along main traverse line cross-arm 210 by default electricity according to actual installation demand
Gas distance is arranged at intervals or presses default electrical distance interval setting along the longitudinal direction of main traverse line cross-arm 210.In example IV,
Two the 3rd insulator chains 330 may be contained within main traverse line cross-arm 210；In embodiment five, two the 3rd insulator chains 330 are equal
It is arranged on crank arm assembly.
As shown in Figures 1 to 4, on the basis of any of the above-described embodiment, first, which cranks arm, 220 and second cranks arm 230 difference
Can be cranking arm or being combined by some galianconism for entirety, specifically, first cranks arm and 220 include first
Crank arm 222 on lower bent lever 221 and first, second, which cranks arm, 230 includes cranking arm 232 on the second lower bent lever 231 and second, bent on first
One end of arm 222 is connected with one end of main traverse line cross-arm 210, cranked arm on second 232 one end and main traverse line cross-arm 210 it is another
End connection；One end of first lower bent lever 221 can relatively described second lower bent lever 231 one end rotation connection, make main traverse line cross-arm
210 can upper and lower translation, and/or, cranked arm on the other end and first of the first lower bent lever 221 222 the other end be rotatably connected and
The other end of second lower bent lever 231 is rotatably connected with 232 other end of being cranked arm on second, makes main traverse line cross-arm 210 upper and lower
Translation.Cranked arm on first lower bent lever 221 and first and be rotatably connected between 222, crank arm 232 on the second lower bent lever 231 and second
Between be rotatably connected so that main traverse line cross-arm 210 is more flexible in the up and down motion of vertical direction, and the width of tower head part is adjusted
Section is also more flexible so that the arrangement of loop structure is also more flexible.Further, crank arm on first 222 one end with
One end of main traverse line cross-arm 210 is rotatably connected and 232 other end of one end and main traverse line cross-arm 210 of being cranked arm on second can
It is rotatablely connected, makes main traverse line cross-arm 210 can upper and lower translation.Cranked arm on first crank arm on 222 and second 232 respectively with main traverse line
Cross-arm 210 is rotatably connected, and enables to translate, it is necessary to tower head part in level under the in the vertical direction of main traverse line cross-arm 210
On length when being adjusted, the first lower bent lever 221 and the second lower bent lever 231 can be rotated simultaneously, can also be rotated simultaneously on first
Crank arm and crank arm 232 on 222 and second so that the width adjusting mode of tower head part is more flexible, the arrangement of loop structure
Also it is more flexible.
As shown in Figures 1 to 4, on the basis of a upper embodiment, in addition to be arranged at tower window the first outside 260 the
270 the second side wire cross-arm group, the first side wire cross-arm group bag on the outside of one side wire cross-arm group and be arranged at tower window second
Include in the first lower wire cross-arm 241, first that wire cross-arm 245, the first lower wire cross-arm 241 are set on wire cross-arm 243 and first
It is placed on the first lower bent lever 221, wire cross-arm 243, which is arranged on first, in first cranks arm on 222, wire cross-arm 245 on first
It is arranged at one end of main traverse line cross-arm 210；It is horizontal that second side wire cross-arm group includes wire in the second lower wire cross-arm 242, second
Wire cross-arm 246 in load 244 and second, the second lower wire cross-arm 242 are arranged on the second lower bent lever 231, and wire is horizontal in second
Load 244, which is arranged on second, cranks arm on 232, and wire cross-arm 246 is arranged at the other end of main traverse line cross-arm 210 on second.First
Side wire cross-arm is arranged at first and cranked arm on 220, and the second side wire cross-arm is arranged at second and cranked arm on 230, and the first side wire is horizontal
Insulator chain can be provided with load group and the second side wire cross-arm group so that the position and arrangement form of insulator chain can be flexible
Set.
As shown in Figures 1 to 4, further, the first insulator chain 310 is three, and three the first insulator chains 310 are by default
Electrical distance is set in turn on the first lower wire cross-arm 241, wire cross-arm 245 in first on wire cross-arm 243 and on first
Upper and three the first insulator chains 310 cooperatively form tertiary circuit structure；Second insulator chain 320 is three, and three second exhausted
Edge substring 320 is set in turn on the second lower wire cross-arm 242 by default electrical distance, in second on wire cross-arm 244 and
On two on wire cross-arm 246 and three the second insulator chains 320 cooperatively form the 4th loop structure；3rd insulator chain 330 is
Three, three the 3rd insulator chains 330 are set by default electrical distance and three the 3rd insulator chains 330 cooperatively form the 5th
Loop structure.Three the first insulator chains 310 of tertiary circuit structure are flexibly arranged under first successively by default electrical distance
On wire cross-arm 241, in first on wire cross-arm 243 and on first on wire cross-arm 245 and three of tertiary circuit structure absolutely
The wire that edge substring is hung is reverse umbrella-type arrangement；Three the second insulator chains 320 of the 4th loop structure press default electrical distance
Flexibly be arranged at successively on the second lower wire cross-arm 242, in second on wire cross-arm 244 and on second on wire cross-arm 246 and
The wire that three insulator chains of the 4th loop structure are hung is reverse umbrella-type arrangement；Three the 3rd insulators of the 5th loop structure
The wire that string 330 is flexibly arranged in tower window by default electrical distance and three insulator chains of the 5th loop structure are hung
It is triangularly arranged, the wire laying mode of triangle so that tower head load transmission is uniform, and stress performance is good.Need what is illustrated
It is that the phase arrangement order of the wire hung of three the first insulator chains 310 can be adjusted at random, three second insulation
The phase arrangement order of the wire hung of substring 320 can be adjusted at random, and three the 3rd insulator chains 330 are hung
The phase arrangement order of wire can be adjusted at random, such as A, B, C three-phase conducting wire arrange from top to bottom successively, can also adopt
Take B, A, C three-phase conducting wire to arrange from top to bottom successively, can also be that B, C, A three-phase conducting wire arrange from top to bottom successively, need to only expire
Electrical distance between sufficient three-phase conducting wire is more than or equal to distance set in advance.
As shown in Figures 1 to 4, insulator chain can be that V-type insulator chain, I types insulator chain or other satisfactions use need
The insulator chain asked, wherein, V-type insulator chain refer to insulator chain and hang the insulator chain hanger it is integrally V-shaped, I
It is in integrally I types that type insulator chain, which refers to insulator chain and hangs the hanger of the insulator chain,.When the first insulator chain 310 or the
When two insulator chains 320 are V-type insulator chain, the both ends of V-type insulator chain can be all connected on the wire cross-arm of side or
One end of V-type insulator chain is connected on the wire cross-arm of side, the other end is connected on crank arm assembly.In one embodiment, three
Individual 3rd insulator chain 330 is respectively by the spaced first V-type insulator chain of default electrical distance, the second V-type insulator
String and the 3rd V-type insulator chain, the both ends of the first V-type insulator chain, the both ends of the second V-type insulator chain and the insulation of the 3rd V-type
The both ends of substring may be contained within main traverse line cross-arm 210；Or, first V-type insulator chain both ends and the second V-type insulator chain
Both ends are arranged on main traverse line cross-arm 210, one end of the 3rd V-type insulator chain be arranged at first crank arm on 220, the other end is set
Cranked arm in second on 230；Or, first V-type insulator chain one end be arranged on main traverse line cross-arm 210, the other end is arranged at
One is cranked arm on 220, and one end of the second V-type insulator chain is arranged on main traverse line cross-arm 210, the other end is arranged at second and cranked arm
On 230, the both ends of the 3rd V-type insulator may be contained within main traverse line cross-arm 210；Or, first V-type insulator chain one end set
In on main traverse line cross-arm 210, the other end be arranged at first and crank arm on 220, one end of the second V-type insulator chain is arranged at main traverse line
On cross-arm 210, the other end be arranged at second and crank arm on 230, one end of the 3rd V-type insulator chain be arranged at first crank arm on 220,
The other end is arranged at second and cranked arm on 230.When 3rd insulator chain 330 is V-type insulator chain, the both ends of V-type insulator chain can
Flexibly to select to set in tower window to pass through to adapt to the intersection of circuit according to the situation of reality.
In one embodiment, the first lower wire cross-arm 241 can move along the length direction of the first lower bent lever 221, and second
Lower wire cross-arm 242 can move along the length direction of the second lower bent lever 231；And/or wire cross-arm 243 can be along first in first
On crank arm 222 length direction movement, can be cranked arm along second 232 length direction of wire cross-arm 244 moves in second.First
Lower wire cross-arm 241 can and second lower wire cross-arm 242 adjustable along the position on the length direction of the first lower bent lever 221 can be along
Position on the length direction of two lower bent levers 231 is adjustable, can be adjusted according to the actual requirements on the premise of electrical safety distance is met
Save on the first lower wire cross-arm 241 relative first the distance between wire cross-arm 245 and the second lower wire cross-arm 242 relative the
The distance between wire cross-arm 246 on two, to adapt to the change width of tower head part consequently facilitating the arrangement of insulator chain；First
Upper wire cross-arm 245 can be cranked arm along first 222 length direction on position it is adjustable, wire cross-arm 246 can be along on second
The position cranked arm on two on 232 length direction is adjustable, more actual demand can be adjusted on the premise of electrical safety distance is met
Wire cross-arm 245 relative with respect to wire cross-arm 246 on the distance between first lower wire cross-arm 241 and second the on section first
The distance between two lower wire cross-arms 242, the change width of tower head part is more flexibly adapted to consequently facilitating insulator chain
Arrangement.Need what is illustrated, it can connect that the first lower wire cross-arm 241 can move along the length direction of the first lower bent lever 221
The difference of contact, such as the first lower wire cross-arm 241 are realized on the length direction of the first lower bent lever 221 not by bolts and nuts
With the movement of position, it can also be that the first lower wire cross-arm 241 can slide along the length direction of the first lower bent lever 221；Under second
Wire cross-arm 242 can be moved along the length direction of the second lower bent lever 231 can be tie point difference, for example the second lower wire is horizontal
Load 242 realizes the movement of the diverse location on the length direction of the second lower bent lever 231 by bolts and nuts, can also be under second
Wire cross-arm 242 can slide along the length direction of the second lower bent lever 231.
As shown in Figures 1 to 4, in another embodiment, in addition to earth wire support component, earth wire support component includes the
One earth wire support 251 and the second earth wire support 252, the first earth wire support 251 are arranged at one end of main traverse line cross-arm 210 and
One earth wire support 251 is provided with wire cross-arm 245 on first, and the second earth wire support 252 is arranged at the another of main traverse line cross-arm 210
End and the second earth wire support 252 are provided with wire cross-arm 246 on second, or wire cross-arm 245 is arranged at main traverse line horizontal stroke on first
Wire cross-arm 245 is provided with the first earth wire support 251 on one end and first of load 210, and wire cross-arm 246 is arranged on second
Wire cross-arm 246 is provided with the second earth wire support 252 on the other end of main traverse line cross-arm 210 and second, or wire is horizontal on first
The earth wire support 251 of load 245 and first is shifted to install in the ground of wire cross-arm on one end of main traverse line cross-arm 210, second 246 and second
Line bracket 252 is shifted to install in the other end of main traverse line cross-arm 210.On first the earth wire support 251 of wire cross-arm 245 and first it
Between position relationship can be according to being actually needed on flexible arrangement and second between the earth wire support 252 of wire cross-arm 246 and second
Position relationship can be according to being actually needed flexible arrangement so that the arrangement form of loop structure can be adjusted flexibly.Further, it is main
Wire cross-arm 210 can be arranged on first to crank arm and crank arm on 222 and second between 232, and now, tower head reduces main traverse line horizontal stroke
Carry on a shoulder pole the height of 210 parts, meanwhile, on the first earth wire support 251 and first wire cross-arm 245 can flexibly combination settings in first
Crank arm on 220, wire cross-arm 246 flexibly combination settings can crank arm on 230 in second on the second earth wire support 252 and second；
Main traverse line cross-arm 210 may also set up cranked arm on first crank arm on 222 and second 232 top, now, the first earth wire support
On 251 and first wire cross-arm 245 can flexibly combination settings in one end of main traverse line cross-arm 210, wherein, the first earth wire support
The combination of wire cross-arm 245 refers to that the first earth wire support 251 can separate individually with wire cross-arm 245 on first on 251 and first
After being arranged on main traverse line cross-arm 210 or cranking arm on 222 or hold together on first with main traverse line cross-arm
210 or 222 be connected with being cranked arm on first, on the second earth wire support 252 and second wire cross-arm 246 can flexibly combination settings in
The other end of main traverse line cross-arm 210, wherein, on the second earth wire support 252 and second combination of wire cross-arm 246 refer to the second ground
Line bracket 252 can separate with wire cross-arm 246 on second to be separately set on main traverse line cross-arm 210 or is cranked arm on second on 232,
Can also 232 be connected with main traverse line cross-arm 210 after holding together or with being cranked arm on second；Or it can also be first
Earth wire support 251 be arranged at cranked arm on first on 222, wire cross-arm 245 is arranged at one end of main traverse line cross-arm 210 on first,
Second earth wire support 252 be arranged at cranked arm on second on 232, wire cross-arm 246 is arranged at the another of main traverse line cross-arm 210 on second
One end；Or first earth wire support 251 be arranged at one end of main traverse line cross-arm 210, wire cross-arm 245 is arranged on first on first
Crank arm on 222, the second earth wire support 252 is arranged at the other end of main traverse line cross-arm 210, wire cross-arm 246 is arranged on second
Cranked arm on second on 232.
As shown in Figures 1 to 4, in one embodiment, the first insulator chain 310 is three I type insulator chains, and second is exhausted
Edge substring 320 is three I type insulator chains, and the 3rd insulator chain 330 is three V-type insulator chains, three the first insulator chains
310 hang on first wire cross-arm 243 in wire cross-arm 245, first, the first lower wire cross-arm 241 successively, and three second exhausted
Edge substring 320 hang on second wire cross-arm 244 in wire cross-arm 246, second, the second lower wire cross-arm 242 successively, three
Two in 3rd insulator chain 330 be arranged at intervals on main traverse line cross-arm 210, remaining one end is connected to first and cranked arm
220th, the other end is connected to second and cranks arm 230.Specifically, be arranged on main traverse line cross-arm 210 and cranked arm close to first 220 one
Individual 3rd insulator chain 330 is with hanging on first on wire cross-arm 245 and two in first on wire cross-arm 243 are first exhausted
The wire that three insulator chains that edge substring 310 cooperatively forms the 6th loop structure and the 6th loop structure are hung is triangular in shape
Arrangement；Be arranged on main traverse line cross-arm 210 and close to second crank arm 230 the 3rd insulator chain 330 with hanging on second
Two the first insulator chains 310 on upper wire cross-arm 246 and in second on wire cross-arm 244 cooperatively form the 7th loop knot
The wire that three insulator chains of structure and the 7th loop structure are hung is triangularly arranged；One end is connected to and first cranks arm 220,
The other end be connected to second crank arm 230 the 3rd insulator chain 330 with one hung on the first lower wire cross-arm 241
First insulator chain 310 and second insulator chain 320 hanging on the second lower wire cross-arm 242 cooperatively form the 8th time
The wire that three insulator chains of line structure and the 8th loop structure are hung is triangularly arranged.The wire laying mode of triangle, makes
Tower head load transmission it is uniform, stress performance is good.
As shown in Figures 1 to 4, the cat-head transmission tower of the embodiment of the present invention, including：Tower body 100, tower body 100 are provided with first end；And
The loop structure of above-mentioned cat-head transmission tower, first crank arm 220 the second end and second crank arm 230 the 4th end respectively with tower body 100
First end connect and first crank arm 220 the second end can relative second crank arm 230 the rotation of the 4th end, make main traverse line cross-arm 210
Can upper and lower translation；Or, first crank arm 220 the second end and the second crank arm 230 the 4th end connects with the first end of tower body 100 respectively
Connect and first cranks arm and 220 can stretch along its length and second cranks arm and 230 can along its length stretch, make main traverse line horizontal
Load 210 can upper and lower translation.
The cat-head transmission tower of the embodiment of the present invention, including tower body 100, tower body 100 are provided with first end wherein, main traverse line cross-arm 210
It can stretch along its length to adapt to the adjustment of tower head height, crank arm assembly is cranked arm including first and 220 and second cranked arm
230, the first crank arm 220 first end is connected with one end of main traverse line cross-arm 210, second crank arm 230 the 3rd end and main traverse line
The other end connection of cross-arm 210, first cranks arm 220 the second end and the second crank arm 230 the 4th end is connected and first cranks arm 220
The second end can be rotated relative to the second crank arm 230 the 4th end, in embodiment six, first crank arm 220 the second end is connected to
The first end of tower body 100 and first crank arm 220 the second end can relative to tower body 100 one end rotate, second crank arm 230 the 4th
End be connected to the first end of tower body 100 and second crank arm 230 the 4th end can relative tower body 100 first end rotation；Implementing
In example seven, first cranks arm 220 the second end and the second crank arm 230 the 4th end is connected to the first end and of tower body 100
One crank arm 220 the second end and second crank arm 230 the 4th end between be rotatably connected；In embodiment eight, first cranks arm 220
It can along its length stretch and second cranks arm and 230 can stretch along its length.220 and second bent are cranked arm using first
The locking and release of rotation and the first lockable mechanism to the rotational motion while between arm 230, such as, can be first bent
Arm 220 relative second, which is cranked arm, 230 to turn right, at the same second crank arm 230 relative first crank arm 220 turn left or
First, which cranks arm, 220 relative second cranks arm and 230 turns left, while second cranks arm and 230 relative first crank arm and 220 turn right.It is logical
Cross first to crank arm 220 and second linkage cranked arm between 230, and combine the first lockable mechanism and locking and pine are carried out to the linkage
Open, realize the upper and lower translation of the in the vertical direction of main traverse line cross-arm 210, can also be that first cranks arm and 220 and second crank arm 230
The locking and release of simultaneous retractable and the second lockable mechanism to the stretching motion so that main traverse line cross-arm 210 is in vertical direction
On can upper and lower translation, meanwhile, main traverse line cross-arm 210, first, which crank arm, 220 and second to crank arm and 230 cooperatively forms tower window, the of tower window
One outside 260 is provided with the first outside of insulator chain 310, second 270 and is provided with the second insulator chain 320, and the inner side of tower window is provided with the
Three insulator chains 330, the first insulator chain 310, the second insulator chain 320 and the 3rd insulator chain 330 cooperatively form loop knot
Structure, realize that the width of tower head part changes in the upper and lower translation of vertical direction by main traverse line cross-arm 210, composition loop knot
The insulator chain of structure can flexibly be arranged at the inner and outer of tower window, be passed through beneficial to the intersection of circuit, meanwhile, it is and traditional
Cydariform, umbrella shape tower are compared, and the cat-head transmission tower steel consumption of the embodiment of the present invention is small, can effectively reduce tower head height about 40%~
55%, the cost for passing through existing line is not only reduced, saves construction investment, and lightning protection effect is good.
Need to illustrate, the stretch mode of main traverse line cross-arm 210, first crank arm 220 stretch mode and
Two crank arm 230 stretch mode, can be the stretch mode that is slidably matched or stretch mode that socket coordinates, may be used also
To be other existing structures that can realize Telescopic；First lockable mechanism and the second lockable mechanism can be lock pin with
The form that the form or bolt and screwed hole that lockhole coordinates coordinate, it can also be that other existing can realize locking
The mechanism or element of function；First, which cranks arm, 220 and second cranks arm and is also provided with linkage, such as linkage between 230
Or linkage so that the first crank arm 220 rotation can drive second to crank arm 230 linkages without cranking arm 220 to first respectively
And second crank arm and 230 rotated.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the constraint to patent of invention scope can not be interpreted as.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. loop structure of cat-head transmission tower, it is characterised in that including：Main traverse line cross-arm, the main traverse line cross-arm can stretch along its length；AndCrank arm assembly, the crank arm assembly is cranked arm including first and second cranks arm, and described first cranks arm including relative first end With the second end, described second cranks arm dominates including the 3rd relative end and the 4th end, first first end cranked arm with described One end connection of line cross-arm, the described second the 3rd end cranked arm is connected with the other end of the main traverse line cross-arm；Described first the second end cranked arm can relatively described second crank arm the 4th end rotation connection, make the main traverse line cross-arm can Upper and lower translation, the crank arm assembly also include the first lockable mechanism, and first lockable mechanism is used for locking or unclamps described the One crank arm with described second crank arm between relative rotation；Or described first crank arm and can stretch along its length and described second Crank arm can stretch along its length, make the main traverse line cross-arm can upper and lower translation, the crank arm assembly also includes the second locking Mechanism, second lockable mechanism is used for locking or release described first is cranked arm and second stretching motion cranked arm；The main traverse line cross-arm, described first crank arm and described second cranks arm and cooperatively form tower window, and the tower window is provided with relative First outside and the second outside, the first outside of the tower window are provided with the first insulator chain, and the second outside of the tower window is provided with Second insulator chain, the inner side of the tower window are provided with the 3rd insulator chain, first insulator chain, second insulator chain And the 3rd insulator chain cooperatively forms the loop structure.
- 2. the loop structure of cat-head transmission tower according to claim 1, it is characterised in that first insulator chain be two, And two first insulator chains are pressed default electrical distance and set, second insulator chain is two and two described the Two insulator chains are pressed default electrical distance and set, and the 3rd insulator chain is that two and two the 3rd insulator chains are pressed Default electrical distance is set, and one of them described 3rd insulator chain and two first insulator chains cooperatively form first time Line structure, another described 3rd insulator chain and two second insulator chains cooperatively form second servo loop structure.
- 3. the loop structure of cat-head transmission tower according to claim 2, it is characterised in that two the 3rd insulator chains are along institute The length direction for stating main traverse line cross-arm is arranged at intervals by default electrical distance, or two the 3rd insulator chains are dominated along described The longitudinal direction of line cross-arm is pressed default electrical distance and is arranged at intervals.
- 4. the loop structure of cat-head transmission tower according to claim 1, it is characterised in that described first cranks arm including first time song Cranked arm on arm and first, described second cranks arm including being cranked arm on the second lower bent lever and second, the one end cranked arm on described first with One end of the main traverse line cross-arm is connected, and the one end cranked arm on described second is connected with the other end of the main traverse line cross-arm；One end of first lower bent lever can relatively described second lower bent lever one end rotation connection, make the main traverse line cross-arm can Upper and lower translation, and/or, the other end cranked arm on the other end of first lower bent lever and described first is rotatably connected and institute The other end for stating the second lower bent lever is rotatably connected with the other end cranked arm on described second, makes the main traverse line cross-arm can be upper and lower Translation.
- 5. the loop structure of cat-head transmission tower according to claim 4, it is characterised in that also include being arranged at the of the tower window The wire cross-arm group in wire cross-arm group second with the second outside for being arranged at the tower window of the first of one outside, described first Side wire cross-arm group includes wire cross-arm on wire cross-arm and first in the first lower wire cross-arm, first, first lower wire Cross-arm is arranged on first lower bent lever, wire cross-arm is arranged on described first in described first crank arm on, described first Upper wire cross-arm is arranged at one end of the main traverse line cross-arm；The second side wire cross-arm group includes wire cross-arm on wire cross-arm and second in the second lower wire cross-arm, second, institute State the second lower wire cross-arm to be arranged on second lower bent lever, wire cross-arm is arranged on described second and cranked arm in described second On, wire cross-arm is arranged at the other end of the main traverse line cross-arm on described second.
- 6. the loop structure of cat-head transmission tower according to claim 5, it is characterised in that first insulator chain is three, Three first insulator chains are set in turn on the first lower wire cross-arm by default electrical distance, led in described first On line cross-arm and on described first on wire cross-arm and three first insulator chains cooperatively form tertiary circuit structure；Institute The second insulator chain is stated as three, three second insulator chains are set in turn under described second by default electrical distance leads On line cross-arm, in described second on wire cross-arm and on described second on wire cross-arm and three second insulator chains are matched somebody with somebody Close and form the 4th loop structure；3rd insulator chain is three, and three the 3rd insulator chains press default electrical distance Set and three the 3rd insulator chains cooperatively form the 5th loop structure.
- 7. the loop structure of cat-head transmission tower according to claim 6, it is characterised in that three the 3rd insulator chain difference For by the spaced first V-type insulator chain of default electrical distance, the second V-type insulator chain and the 3rd V-type insulator chain, institute State the both ends at the both ends of the first V-type insulator chain, the both ends of the second V-type insulator chain and the 3rd V-type insulator chain It may be contained within the main traverse line cross-arm；Or, both ends and the second V-type insulator chain of the first V-type insulator chain Both ends are arranged on the main traverse line cross-arm, one end of the 3rd V-type insulator chain be arranged at described first crank arm it is upper, another End be arranged at described second crank arm on；Or, one end of the first V-type insulator chain is arranged on the main traverse line cross-arm, is another One end be arranged at described first crank arm on, one end of the second V-type insulator chain is arranged on the main traverse line cross-arm, is another End be arranged at described second crank arm on, the both ends of the 3rd V-type insulator may be contained within the main traverse line cross-arm；Or, institute The one end for stating the first V-type insulator chain is arranged on the main traverse line cross-arm, the other end be arranged at described first crank arm on, it is described One end of second V-type insulator chain is arranged on the main traverse line cross-arm, the other end be arranged at described second crank arm on, described One end of three V-type insulator chains be arranged at described first crank arm the upper, other end be arranged at described second crank arm on.
- 8. the loop structure of cat-head transmission tower according to claim 5, it is characterised in that the first lower wire cross-arm can be along institute The length direction movement of the first lower bent lever is stated, the second lower wire cross-arm can move along the length direction of second lower bent lever It is dynamic；And/or the length direction that wire cross-arm can crank arm along described first in described first moves, wire is horizontal in described second The length direction that carrying on a shoulder pole can crank arm along described second moves.
- 9. the loop structure of cat-head transmission tower according to claim 5, it is characterised in that described also including earth wire support component Earth wire support component includes the first earth wire support and the second earth wire support, and it is horizontal that first earth wire support is arranged at the main traverse line One end of load and first earth wire support are provided with wire cross-arm on described first, and second earth wire support is arranged at institute State the other end of main traverse line cross-arm and second earth wire support is provided with wire cross-arm on described second；Or on described first Wire cross-arm is arranged at wire cross-arm on one end of the main traverse line cross-arm and described first and is provided with the first ground wire branch Frame, wire cross-arm is arranged at wire cross-arm on the other end and described second of the main traverse line cross-arm and is provided with described second Second earth wire support；Or wire cross-arm and first earth wire support are shifted to install in main traverse line horizontal stroke on described first One end of load, wire cross-arm and second earth wire support are shifted to install in the another of the main traverse line cross-arm on described second End.
- A kind of 10. cat-head transmission tower, it is characterised in that including：Tower body, the tower body are provided with first end；AndThe loop structure of cat-head transmission tower as described in any one of claim 1 to 9, the described first the second end cranked arm and second song 4th end of arm is connected with the first end of the tower body respectively and the described first the second end cranked arm relatively described second can crank arm The 4th end rotate, make the main traverse line cross-arm can upper and lower translation；Or, described first the second end cranked arm and described second crank arm The 4th end be connected respectively with the first end of the tower body and described first cranks arm and can stretch along its length and described second Cranking arm can along its length stretch, make the main traverse line cross-arm can upper and lower translation.
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| CN201711124909.8A CN107859408B (en) | 2017-11-14 | 2017-11-14 | Cat head tower and loop structure thereof |
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| CN201711124909.8A CN107859408B (en) | 2017-11-14 | 2017-11-14 | Cat head tower and loop structure thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201541109U (en) * | 2009-06-30 | 2010-08-04 | 中国电力工程顾问集团公司 | Cathead tangent tower for UHV transmission line |
| KR101692639B1 (en) * | 2015-09-10 | 2017-01-04 | 한국전력공사 | Changing Apparatus for Insulator Strings of Power Transmission Line and Changing Method for Insulator Strings of Power Transmission Line thereby |
| CN205918210U (en) * | 2016-08-29 | 2017-02-01 | 江西省电力设计院 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
| CN207453615U (en) * | 2017-11-14 | 2018-06-05 | 广东天联电力设计有限公司 | Cat-head transmission tower and its loop structure |
-
2017
- 2017-11-14 CN CN201711124909.8A patent/CN107859408B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201541109U (en) * | 2009-06-30 | 2010-08-04 | 中国电力工程顾问集团公司 | Cathead tangent tower for UHV transmission line |
| KR101692639B1 (en) * | 2015-09-10 | 2017-01-04 | 한국전력공사 | Changing Apparatus for Insulator Strings of Power Transmission Line and Changing Method for Insulator Strings of Power Transmission Line thereby |
| CN205918210U (en) * | 2016-08-29 | 2017-02-01 | 江西省电力设计院 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
| CN207453615U (en) * | 2017-11-14 | 2018-06-05 | 广东天联电力设计有限公司 | Cat-head transmission tower and its loop structure |
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| CN107859408B (en) | 2024-03-08 |
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