CN207453614U - Double loop cat-head transmission tower and its tower head structure - Google Patents
Double loop cat-head transmission tower and its tower head structure Download PDFInfo
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- CN207453614U CN207453614U CN201721526125.3U CN201721526125U CN207453614U CN 207453614 U CN207453614 U CN 207453614U CN 201721526125 U CN201721526125 U CN 201721526125U CN 207453614 U CN207453614 U CN 207453614U
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Abstract
The utility model discloses a kind of double loop cat-head transmission tower and its tower head structure, which includes：The the first conducting wire cross-arm that can be stretched along its length；And crank arm assembly, crank arm assembly is cranked arm including first and second cranks arm, and first one end cranked arm is connected with one end of the first conducting wire cross-arm, and second one end cranked arm is connected with the other end of the first conducting wire cross-arm；The rotation connection of the other end that first other end cranked arm can crank arm with respect to second makes the first conducting wire cross-arm can upper and lower translation, crank arm assembly further includes first lockable mechanism of relative rotation motion of driving system of cranking arm with second of cranking arm for locking first, or first crank arm can stretch along its length and second crank arm can stretch along its length, make the first conducting wire cross-arm can upper and lower translation, crank arm assembly further includes cranks arm and the second the second lockable mechanism for cranking arm stretching motion for locking with unclamping first.The double loop cat-head transmission tower of the utility model and its tower head structure, tower head highly can adapt to different erection requirements.
Description
Technical field
The utility model is related to electrical equipment technical fields, and in particular to a kind of double loop cat-head transmission tower and its tower head structure.
Background technology
With the further reinforcement of China's economic strength, increasing is also become to the demand of electric power so that line corridor
Become increasingly complicated, the erection to power transmission tower thereupon proposes higher level requirement, especially intersects area in circuit
When domain carries out line construction, become more stringent to the requirement for height of shaft tower.
Traditional double loop power transmission tower generally use cydariform tower head or umbrella shape tower head, conducting wire vertical row successively from top to bottom
Row so that the height of tower head part is higher, and power transmission tower is when passing through the location required to tower height, even if shaft tower is exhaled high near
It is minimum still to meet requirement.
The content of the invention
Based on this, it is necessary to provide a kind of double loop cat-head transmission tower and its tower head structure, tower head highly can adapt to different
Set up requirement.
Its technical solution is as follows：
A kind of tower head structure of double loop cat-head transmission tower, including：First conducting wire cross-arm, the first conducting wire cross-arm can be along its length
It stretches in degree direction；And crank arm assembly, the crank arm assembly is cranked arm including first and second cranks arm, and described first cranks arm including opposite
First end and second end, described second cranks arm including the 3rd opposite end and the 4th end, first first end cranked arm with
One end connection of the first conducting wire cross-arm, the described second the 3rd end cranked arm and the other end of the first conducting wire cross-arm connect
It connects；First second end cranked arm can relatively described second crank arm the 4th end rotation connection, make the first conducting wire cross-arm
Can upper and lower translation, the crank arm assembly further includes the first lockable mechanism, and first lockable mechanism is for locking or described in unclamping
First crank arm with described second crank arm between relative rotation or described first crank arm and can stretch along its length and described
Two, which crank arm, to stretch along its length, make the first conducting wire cross-arm can upper and lower translation, the crank arm assembly further includes second
Lockable mechanism, second lockable mechanism are cranked arm for locking or release first stretching motion cranked arm and described second
Stretching motion.
The tower head structure of the double loop cat-head transmission tower of the utility model, including the first conducting wire cross-arm and crank arm assembly, wherein, the
One conducting wire cross-arm can stretch to adapt to the adjustment of tower head height along its length, and crank arm assembly is cranked arm and the second song including first
Arm, first one end cranked arm are connected with one end of the first conducting wire cross-arm, and second one end cranked arm is another with the first conducting wire cross-arm
One end is connected, and the other end that first other end cranked arm is cranked arm with second is connected and first other end cranked arm can be with respect to second
The other end cranked arm rotates or first cranks arm and can stretch along its length and second cranks arm and can stretch along its length
Contracting, by first crank arm with second crank arm between while relatively rotate and the first lockable mechanism is to the locking of the rotational motion
It stretches while cranking arm and crank arm with second with release or first and the second lockable mechanism is to the locking of the stretching motion and pine
Open so that the first conducting wire cross-arm in the vertical direction can upper and lower translation, the height so as to adjust the first conducting wire cross-arm causes tower head
It highly can adapt to different erection requirements.
Technical solution is illustrated further below：
In one of the embodiments, described first crank arm including cranking 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 and one end of the first conducting wire cross-arm connect
It connects, the one end cranked arm on described second is connected with the other end of the first conducting wire cross-arm；One end of first lower bent lever can
Relatively described second lower bent lever one end rotation connection, make the first conducting wire cross-arm can upper and lower translation and/or, described first
The other end cranked arm on the other end of lower bent lever and described first is rotatably connected and the other end of second lower bent lever and institute
The other end cranked arm on second is stated to be rotatably connected, make the first conducting wire cross-arm can upper and lower translation.First cranks arm including first
Crank arm on lower bent lever and first, second cranks arm including cranking arm on the second lower bent lever and second, wherein, one end of the first lower bent lever with
One end of second lower bent lever connects and one end of the first lower bent lever can be rotated relative to one end of the second lower bent lever, so as to fulfill first
Conducting wire cross-arm in the vertical direction can upper and lower translation；The other end of first lower bent lever rotatably connects with the other end cranked arm on first
It connects and the other end of the second lower bent lever is rotatably connected with the other end cranked arm on second, can also realize that the first conducting wire cross-arm exists
Vertical direction upper and lower translation, enabling flexibly the height of tower head part is adjusted.
In one of the embodiments, the one end and one end of the first conducting wire cross-arm cranked arm on described first are rotatable
The one end cranked arm in connection and described second and the other end of the first conducting wire cross-arm are rotatably connected, make described first to lead
Line cross-arm can upper and lower translation.Crank arm on first and second on crank arm and be rotatably connected respectively with the first conducting wire cross-arm, make first
Conducting wire cross-arm lower in the vertical direction can translate so that the regulative mode of tower head height is more flexible.
In one of the embodiments, side conducting wire cross biling assembly is further included, the side conducting wire cross biling assembly is included under first
Conducting wire cross-arm, the second lower wire cross-arm, conducting wire cross-arm, the first lower wire cross-arm are set on conducting wire cross-arm and second on first
In on first lower bent lever and the first lower wire cross-arm is set away from second lower bent lever, second lower wire is horizontal
Load is arranged on second lower bent lever and the second lower wire cross-arm is set away from first lower bent lever, on described first
Conducting wire cross-arm be arranged on described first crank arm it is upper and described first on conducting wire cross-arm away from setting of cranking arm on described second, it is described
On second conducting wire cross-arm be arranged on described second crank arm it is upper and described second on conducting wire cross-arm set away from cranking arm on described first
It puts.
In one of the embodiments, the first lower wire cross-arm can be moved along the length direction of first lower bent lever
Dynamic and described second lower wire cross-arm can be moved along the length direction of second lower bent lever；And/or conducting wire on described first
The length direction that cross-arm can crank arm along described first moves and conducting wire cross-arm can crank arm along described second on described second
Length direction moves.First lower wire cross-arm can and second lower wire adjustable along the position on the length direction of the first lower bent lever horizontal stroke
Load can be adjustable along the position on the length direction of the second lower bent lever, can be according to actual need on the premise of electrical safety distance is met
Ask adjust the first lower wire cross-arm with respect to first on the distance between conducting wire cross-arm and the second lower wire cross-arm with respect to second on
The distance between conducting wire cross-arm adapts to the variation of tower head height；The length direction that conducting wire cross-arm can crank arm along first on first
On position it is adjustable, the position on length direction that conducting wire cross-arm can crank arm along second on second is adjustable, is meeting electrical peace
On the premise of full distance can more actual demand adjust first on conducting wire cross-arm with respect to the distance between first lower wire cross-arm with
And conducting wire cross-arm is with respect to the distance between second lower wire cross-arm on second, the more flexible variation for adapting to tower head height.
In one of the embodiments, the first conducting wire cross-arm, which is arranged on described first, cranks arm and song on described second
Between arm.First conducting wire cross-arm is arranged to the inside cranked arm on first and cranked arm on second, tower head is reduced and partly belongs to
The height of one conducting wire cross-arm part.
In one of the embodiments, the first conducting wire cross-arm is equipped with the first insulator chain and the second insulator chain,
The first lower wire cross-arm is equipped with the 3rd insulator chain, and the second lower wire cross-arm is equipped with the 4th insulator chain, and described the
Conducting wire cross-arm is equipped with the 5th insulator chain on one, and conducting wire cross-arm is equipped with the 6th insulator chain, first insulation on described second
The conducting wire that substring, the 3rd insulator chain and the 5th insulator chain are hung respectively is collectively formed the first circuit, and described
Second servo loop is collectively formed in the conducting wire that two insulator chains, the 4th insulator chain and the 6th insulator chain are hung respectively.
In one of the embodiments, first insulator chain be the first V-type insulator chain, second insulator chain
For the second V-type insulator chain, the both ends of the first V-type insulator chain are connected on the first conducting wire cross-arm or described
One V-type insulator chain one end is connected on the first conducting wire cross-arm, the other end be connected to described first crank arm on；Described second
The both ends of V-type insulator chain are connected on the first conducting wire cross-arm or one end of the second V-type insulator chain is connected to institute
State on the first conducting wire cross-arm, the other end be connected to described first crank arm on.The connection mode at V-type insulator chain both ends can basis
Actual demand is flexibly selected.
In one of the embodiments, earth wire support component is further included, the earth wire support component includes the first ground wire branch
Frame and the second earth wire support, first earth wire support are horizontally placed on one end of the first conducting wire cross-arm, second ground
Line bracket is horizontally placed on the other end of the first conducting wire cross-arm.Being horizontally disposed with for earth wire support component, reduces tower head portion
Belong to the height of earth wire support components.
A kind of double loop cat-head transmission tower, including：Tower body, the tower body are equipped with first end；And the tower of above-mentioned double loop cat-head transmission tower
Header structure, first second end cranked arm and the described second the 4th end cranked arm be connected respectively with the first end of the tower body,
And the 4th end that first second end cranked arm can crank arm relative to described second rotates, makes the first conducting wire cross-arm can be upper and lower
Translation；Or, first second end cranked arm and the described second the 4th end cranked arm 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 cranks arm and can stretch along its length, make described first to lead
Line cross-arm can upper and lower translation.
The double loop cat-head transmission tower of the utility model, tower head part are connected with tower body part, and the first conducting wire cross-arm can be vertical
Direction upper and lower translation can be adjusted the distance away the ground of the first cross-arm according to actual conditions so that entire double loop cat head
Tower height degree can adapt to different erection requirements.
Description of the drawings
Fig. 1 is the structure diagram of tower head structure one embodiment of the utility model double loop cat-head transmission tower；
Fig. 2 is the structure diagram of another embodiment of the tower head structure of the utility model double loop cat-head transmission tower.
Reference sign：
100th, tower body, 200, tower head structure, the 210, first conducting wire cross-arm, the 221, first lower bent lever is cranked arm on 222, first,
231st, the second lower bent lever is cranked arm on 232, second, the 241, first lower wire cross-arm, the 242, second lower wire cross-arm, and 243, first
Upper conducting wire cross-arm, conducting wire cross-arm on 244, second, the 251, first earth wire support, the 252, second earth wire support.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be appreciated that the specific embodiments described herein
Only to explain the utility model, the scope of protection of the utility model is not limited.
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 elements 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 led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in constraint the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of one or more relevant Listed Items.
The similar term such as " first " described in the utility model, " second ", " the 3rd " does not represent specific quantity and order,
It is only used for the differentiation of title.
As shown in Figures 1 and 2, the tower head structure 200 of the double loop cat-head transmission tower described in the utility model embodiment, including：
First conducting wire cross-arm 210, the first conducting wire cross-arm 210 can stretch along its length；And crank arm assembly, it is bent that crank arm assembly includes first
It arm and second cranks arm, first cranks arm including opposite first end and second end, and second cranks arm including the 3rd opposite end and the 4th
End, the first first end cranked arm are connected with one end of the first conducting wire cross-arm 210, the second the 3rd end cranked arm and the first conducting wire cross-arm
210 other end connection；The 4th end that first second end cranked arm can crank arm with respect to second is rotatablely connected, makes the first conducting wire cross-arm
210 can upper and lower translation, crank arm assembly further includes the first lockable mechanism, the first lockable mechanism for locking or unclamp first crank arm with
Second crank arm between relative rotation or first crank arm and can stretch along its length and second cranks arm and can stretch along its length
Contract, make the first conducting wire cross-arm 210 can upper and lower translation, crank arm assembly further includes the second lockable mechanism, and the second lockable mechanism is for locking
Only or unclamp the first stretching motion and the second stretching motion cranked arm for cranking arm.
The tower head structure 200 of above-mentioned double loop cat-head transmission tower, including the first conducting wire cross-arm 210 and crank arm assembly, wherein, first
Conducting wire cross-arm 210 can stretch to adapt to the adjustment of tower head height along its length, and crank arm assembly is cranked arm and including first
Two crank arm, and first one end cranked arm is connected with one end of the first conducting wire cross-arm 210, and second one end cranked arm is horizontal with the first conducting wire
The other end of load 210 is connected, and the other end that first other end cranked arm is cranked arm with second is connected and first other end cranked arm
The other end that can be cranked arm relative to second rotates；In embodiment one, first other end cranked arm be connected to one end of tower body 100 and
First other end cranked arm can be rotated relative to one end of tower body 100, second other end cranked arm be connected to one end of tower body 100 and
Second other end cranked arm can be rotated relative to one end of tower body 100；In embodiment two, first other end cranked arm and the second song
The other end of arm is connected to can between one end of tower body 100 and first other end cranked arm and second other end cranked arm
Rotation connection；In embodiment three, first, which cranks arm, to stretch along its length and second crank arm can be along its length
It is flexible.Using first crank arm with second crank arm between while rotate and the first lockable mechanism to the locking of the rotational motion with
It unclamps, for example, can first crank arm and opposite second crank arm and turn right, while second cranks arm and opposite first crank arm and turn left
It is dynamic or first cranks arm and opposite second crank arm and turn left, while second cranks arm and opposite first cranks arm and turn right.Pass through
First crank arm and second crank arm between linkage, and combine the first lockable mechanism and locking carried out to the linkage and is unclamped, realize the
The upper and lower translation of one conducting wire cross-arm 210 in the vertical direction, can also be first crank arm stretch while cranking arm with second and
Locking and release of second lockable mechanism to the stretching motion so that the first conducting wire cross-arm 210 can be put down up and down in the vertical direction
It moves, so as to adjust the height of the first conducting wire cross-arm 210 tower head is caused highly to can adapt to different erection requirements, meanwhile, with biography
Cydariform, the umbrella shape tower of system are compared, and the double loop cat-head transmission tower structural steel consumption of the utility model embodiment is small, can effectively reduce
Tower head height about 40%~50% not only reduces the cost for passing through existing line, saves construction investment, and lightning protection effect
It is good.
It needs to illustrate, the stretch mode of the first conducting wire cross-arm 210, the first stretch mode cranked arm and second
The stretch mode cranked arm can be the stretch mode for the stretch mode or socket cooperation being slidably matched, can also be it
His existing structure that can realize Telescopic；First lockable mechanism and the second lockable mechanism can be that lock pin is matched somebody with somebody with lockhole
The form or screw of conjunction and the form of threaded hole cooperation can also be that other existing can realize latch functions
Mechanism or element；First crank arm with second crank arm between be also provided with linkage, such as linkage or linkage, make
The first rotation cranked arm can drive second to crank arm linkage without cranking arm respectively to first and second cranks arm and rotate.
As shown in Figures 1 and 2, on the basis of any of the above-described embodiment, first cranks arm and second cranks arm and can be respectively
Piece entirety cranking arm or being composed of several galianconism, specifically, first cranks arm including the first lower bent lever 221
With first on crank arm 222, second cranks arm including cranking arm 232 on the second lower bent lever 231 and second, crank arm on first 222 one end
It is connected with one end of the first conducting wire cross-arm 210,232 one end of cranking arm on second is connected with the other end of the first conducting wire cross-arm 210；
One end of first lower bent lever 221 can be rotatablely connected with respect to one end of the second lower bent lever 231, make the first conducting wire cross-arm 210 can be upper and lower
Translation and/or, crank arm on the other end and first of the first lower bent lever 221 222 the other end be rotatably connected and second time song
232 other end of cranking arm on the other end of arm 231 and second is rotatably connected, makes the first conducting wire cross-arm 210 can upper and lower translation.The
One cranks arm including cranking arm 222 on the first lower bent lever 221 and first, and second cranks arm including cranking arm on the second lower bent lever 231 and second
232, wherein, the first lower bent lever 221 and the second lower bent lever 231 are symmetrical arranged, and are cranked arm on first and are cranked arm 232 pairs on 222 and second
Claim to set, one end of the first lower bent lever 221 is connected with one end of the second lower bent lever 231 and one end of the first lower bent lever 221 can phase
One end of second lower bent lever 231 is rotated, in example IV, the first lower bent lever 221 and the second lower bent lever 231 respectively with tower body
100 first end connection and the first lower bent lever 221 can be rotated relative to tower body 100, the second lower bent lever 231 can be with respect to 100 turns of tower body
It is dynamic；In embodiment five, the first lower bent lever 221 and the second lower bent lever 231 are connected and first with the first end of tower body 100 respectively
Lower bent lever 221 is rotatably connected with the second lower bent lever 231；In embodiment six, the first lower bent lever 221 can be along its length
Flexible and the second lower bent lever 231 can stretch along its length；Using between the first lower bent lever 221 and the second lower bent lever 231
Rotation relation, for example can be that the first lower bent lever 221 turns left and the second lower bent lever 231 turns right or
One lower bent lever 221 turns right and the second lower bent lever 231 turns left, so as to fulfill the first conducting wire cross-arm 210 in vertical direction
On can upper and lower translation so that the height of tower head part can be adjusted.On the basis of the present embodiment, the first lower bent lever 221
The other end be rotatably connected and the other end of the second lower bent lever 231 on second with cranking arm with 222 other end of cranking arm on first
232 other end is rotatably connected, and can also realize the lower translation in the vertical direction of the first conducting wire cross-arm 210, enabling flexibly
The height of tower head part is adjusted.
As shown in Figures 1 and 2, on the basis of a upper embodiment, crank arm on first 222 one end and the first conducting wire cross-arm
210 one end is rotatably connected and 232 one end of cranking arm on second is rotatably connected with the other end of the first conducting wire cross-arm 210,
Make the first conducting wire cross-arm 210 can upper and lower translation.Crank arm on first crank arm on 222 and second 232 respectively with the first conducting wire cross-arm
210 are rotatably connected, and enable the lower translation in the vertical direction of the first conducting wire cross-arm 210 so that the regulative mode of tower head height
More flexibly.Can select to adjust crank arm in the rotation or first between the first lower bent lever 221 and the second lower bent lever 231 222 with
The rotation cranked arm on second between 232 causes the upper and lower translation of the first conducting wire cross-arm 210 in the vertical direction, with to tower head portion
The height divided is adjusted.
As shown in Figures 1 and 2, on the basis of any of the above-described embodiment, side conducting wire cross biling assembly is further included, side conducting wire is horizontal
It is horizontal including conducting wire on conducting wire cross-arm 243 and second on the first lower wire cross-arm 241, the second lower wire cross-arm 242, first to carry on a shoulder pole component
Load 244, the first lower wire cross-arm 241 is arranged on the first lower bent lever 221 and the first lower wire cross-arm 241 is away from the second lower bent lever
231 are set, and the second lower wire cross-arm 242 is arranged on the second lower bent lever 231 and the second lower wire cross-arm 242 is bent away from first time
Arm 221 is set, on first conducting wire cross-arm 243 be arranged on first crank arm on 222 and on first conducting wire cross-arm 243 away from second
Crank arm 232 settings, on second conducting wire cross-arm 244 be arranged on second crank arm on 232 and on second conducting wire cross-arm 244 away from first
On crank arm 222 settings.Wherein, the first lower wire cross-arm 241 and 242 axial symmetry of the second lower wire cross-arm are set, conducting wire on first
244 axial symmetry of conducting wire cross-arm is set on cross-arm 243 and second.In embodiment seven, the first lower wire cross-arm 241 can be along under first
Crank arm 221 length direction it is mobile and the second lower wire cross-arm 242 can be moved along the length direction of the second lower bent lever 231；Or/
And can crank arm along first 222 length direction of conducting wire cross-arm 243 moves and conducting wire cross-arm 244 can be along on second on first
Crank arm on two 232 length direction movement.First lower wire cross-arm 241 can be along the position on the length direction of the first lower bent lever 221
Putting adjustable and the second lower wire cross-arm 242 can be adjustable along the position on the length direction of the second lower bent lever 231, is meeting electrical peace
It can be adjusted on the premise of full distance according to actual demand on the first lower wire cross-arm 241 opposite first between conducting wire cross-arm 243
The distance between conducting wire cross-arm 244 in distance and the second lower wire cross-arm 242 opposite second, to adapt to the change of tower head height
Change.In embodiment eight, on first conducting wire cross-arm 243 can crank arm along first 222 length direction on position it is adjustable, second
Upper conducting wire cross-arm 244 can crank arm along second 232 length direction on position it is adjustable, meeting the premise of electrical safety distance
Under more actual demand can adjust on first conducting wire cross-arm 243 with respect to the distance between first lower wire cross-arm 241 and second
Upper conducting wire cross-arm 244 is with respect to the distance between second lower wire cross-arm 242, the variation of flexible adaptation tower head height.
Further, the first conducting wire cross-arm 210 is arranged on first to crank arm and crank arm on 222 and second between 232.By first
Conducting wire cross-arm 210 be arranged at crank arm on first crank arm on 222 and second 232 inside, reduce tower head and partly belong to first and lead
The height of 210 part of line cross-arm.It needs to illustrate, the first conducting wire cross-arm 210 may also set up cranks arm 222 on first
Crank arm 232 the upper surface of above and on second.
Further, the first conducting wire cross-arm 210 is equipped with the first insulator chain and the second insulator chain, the first lower wire
Cross-arm 241 is equipped with the 3rd insulator chain, and the second lower wire cross-arm 242 is equipped with the 4th insulator chain, and conducting wire cross-arm 243 is set on first
Have the 5th insulator chain, conducting wire cross-arm 244 is equipped with the 6th insulator chain on second, the first insulator chain, the 3rd insulator chain and
The first circuit is collectively formed in the conducting wire that 5th insulator chain is hung respectively, and the second insulator chain, the 4th insulator chain and the 6th are absolutely
Second servo loop is collectively formed in the conducting wire that edge substring is hung respectively.Insulator chain can be V-type insulator chain, I types insulator chain or
Other meet the insulator chain of use demand, wherein, V-type insulator chain refers to insulator chain and hangs the extension of the insulator chain
Frame is integrally V-shaped, and I type insulator chains refer to insulator chain and hang the hanger of the insulator chain integrally in I types.In this implementation
Example on the basis of, the first insulator chain be the first V-type insulator chain, the second insulator chain be the second V-type insulator chain, the first V
The both ends of type insulator chain are connected on the first conducting wire cross-arm 210 or first V-type insulator chain one end is connected to the first conducting wire horizontal stroke
Load 210 on, the other end be connected to first crank arm on；The both ends of second V-type insulator chain are connected on the first conducting wire cross-arm 210,
Or second V-type insulator chain one end be connected on the first conducting wire cross-arm 210, the other end be connected to first crank arm on.V-type insulate
The connection mode at substring both ends can flexibly be selected according to actual demand.
As shown in Figures 1 and 2, on the basis of any of the above-described embodiment, earth wire support component, earth wire support group are further included
Part includes the first earth wire support 251 and the second earth wire support 252, and the first earth wire support 251 is horizontally placed on the first conducting wire cross-arm
210 one end, the second earth wire support 252 are horizontally placed on the other end of the first conducting wire cross-arm 210.The level of earth wire support component
It sets, reduces the height that tower head partly belongs to earth wire support components.It needs to illustrate, the first earth wire support
251 can also be obliquely installed with respect to the first conducting wire cross-arm 210, also opposite first conducting wire cross-arm 210 tilts the second earth wire support 252
It sets.When the first conducting wire cross-arm 210 be arranged on first crank arm crank arm on 222 and second between 232 when, the first earth wire support
251 can also be arranged on first and crank arm on 222, and the second earth wire support 252, which can also be arranged on second, cranks arm on 232.
The double loop cat-head transmission tower of the utility model, including：Tower body 100, tower body 100 are equipped with first end；And above-mentioned double loop
The tower head structure 200 of cat-head transmission tower, the first second end cranked arm and the second the 4th end cranked arm connect respectively with the first end of tower body 100
It connects and the first second end cranked arm can rotate relative to the second the 4th end that crank arm, make the first conducting wire cross-arm 210 can upper and lower translation；
Or, first the second end cranked arm and the second the 4th end cranked arm be connected respectively with the first end of tower body 100 and first crank arm can edge
Its length direction stretches and second cranks arm and can stretch along its length, make the first conducting wire cross-arm 210 can upper and lower translation.
The double loop cat-head transmission tower of above-described embodiment, the first second end cranked arm and the second the 4th end cranked arm respectively with tower body
The 4th end that 100 first end connection and the first second end cranked arm can crank arm relative to second rotates, makes the first conducting wire cross-arm
210 can upper and lower translation.In embodiment nine, the first second end cranked arm be connected to the first end of tower body and first crank arm second
End can be rotated relative to the first end of tower body 100, and second the 4th end cranked arm is connected to the first end of tower body 100 and second cranks arm
4th end can be rotated relative to the first end of tower body；In embodiment ten, the first second end cranked arm and the second the 4th end cranked arm
It is connected to the first end of tower body 100 and is rotatably connected between the first second end cranked arm and the second the 4th end cranked arm；
In embodiment 11, the first second end cranked arm and the second the 4th end cranked arm are fixedly connected respectively with the first end of tower body,
First, which cranks arm, to stretch along its length and second cranks arm and can stretch along its length.It cranks arm and second using first
The locking and release of rotation and the first lockable mechanism to the rotational motion while between cranking arm, for example, can be first bent
Arm cranks arm with respect to second and turns right, at the same second crank arm opposite first crank arm turn left or first crank arm it is opposite
Second, which cranks arm, turns left, while second cranks arm and opposite first crank arm and turn right.By first crank arm and second crank arm between
Linkage, and combine the first lockable mechanism to the linkage carry out locking with unclamp, realize the first conducting wire cross-arm 210 in vertical direction
On upper and lower translation, can also be that first cranks arm and stretch while cranking arm with second and the second lockable mechanism is to the stretching motion
Locking and release so that the first conducting wire cross-arm 210 in the vertical direction can upper and lower translation, so as to adjust the first conducting wire cross-arm
210 height causes tower head highly to can adapt to different erection requirements, and compared with traditional cydariform, umbrella shape tower, this practicality is new
The double loop cat-head transmission tower steel consumption of type embodiment is small, can effectively reduce tower head height about 40%~50%, not only reduce
The cost of existing line is passed through, saves construction investment, and lightning protection effect is good.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies 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 utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the constraint to utility model patent scope.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of tower head structure of double loop cat-head transmission tower, which is characterized in that including：
First conducting wire cross-arm, the first conducting wire cross-arm can stretch along its length；And
Crank arm assembly, the crank arm assembly is cranked arm including first and second cranks arm, and described first cranks arm including opposite first end
And second end, described second cranks arm including the 3rd opposite end and the 4th end, first first end cranked arm and described first
One end connection of conducting wire cross-arm, the described second the 3rd end cranked arm is connected with the other end of the first conducting wire cross-arm；
First second end cranked arm can relatively described second crank arm the 4th end rotation connection, make the first conducting wire cross-arm
Can upper and lower translation, the crank arm assembly further includes the first lockable mechanism, and first lockable mechanism is for locking or described in unclamping
First crank arm with described second crank arm between relative rotation；Or described first crank arm and can stretch along its length and described
Two, which crank arm, to stretch along its length, make the first conducting wire cross-arm can upper and lower translation, the crank arm assembly further includes second
Lockable mechanism, second lockable mechanism are cranked arm for locking or release first stretching motion cranked arm and described second
Stretching motion.
2. the tower head structure of double loop cat-head transmission tower according to claim 1, which is characterized in that described first cranks arm including
It cranks arm on one lower bent lever and first, described second cranks arm including cranking arm on the second lower bent lever and second, cranks arm on described first
One end is connected with one end of the first conducting wire cross-arm, and the one end cranked arm on described second is another with the first conducting wire cross-arm
End connection；
One end of first lower bent lever can relatively described second lower bent lever one end rotation connection, make the first conducting wire cross-arm
It can upper and lower translation；And/or the other end cranked arm on the other end of first lower bent lever and described first be rotatably connected and
The other end cranked arm on the other end of second lower bent lever and described second is rotatably connected, makes the first conducting wire cross-arm can
Upper and lower translation.
3. the tower head structure of double loop cat-head transmission tower according to claim 2, which is characterized in that one to crank arm on described first
One end and the first conducting wire cross-arm that end and one end of the first conducting wire cross-arm are rotatably connected and crank arm on described second
The other end be rotatably connected, make the first conducting wire cross-arm can upper and lower translation.
4. the tower head structure of double loop cat-head transmission tower according to claim 2, which is characterized in that further include side conducting wire cross-arm group
Part, the side conducting wire cross biling assembly is including on conducting wire cross-arm and second on the first lower wire cross-arm, the second lower wire cross-arm, first
Conducting wire cross-arm, the first lower wire cross-arm is arranged on first lower bent lever and the first lower wire cross-arm is away from described
Second lower bent lever is set, and the second lower wire cross-arm is arranged on second lower bent lever and the second lower wire cross-arm is remote
Set from first lower bent lever, on described first conducting wire cross-arm be arranged on described first crank arm it is upper and described first on conducting wire
Cross-arm away from setting of cranking arm on described second, on described second conducting wire cross-arm be arranged on described second crank arm it is upper and described second
Upper conducting wire cross-arm is away from setting of cranking arm on described first.
5. the tower head structure of double loop cat-head transmission tower according to claim 4, which is characterized in that the first lower wire cross-arm
It can be moved along the length direction of first lower bent lever and the second lower wire cross-arm can be along the length of second lower bent lever
It moves in direction；
And/or the length direction that conducting wire cross-arm can crank arm along described first on described first moves and conducting wire on described second
The length direction that cross-arm can crank arm along described second moves.
6. the tower head structure of double loop cat-head transmission tower according to claim 4, which is characterized in that the first conducting wire cross-arm is set
Be placed on described first crank arm with crank arm on described second between.
7. the tower head structure of double loop cat-head transmission tower according to claim 4, which is characterized in that on the first conducting wire cross-arm
Equipped with the first insulator chain and the second insulator chain, the first lower wire cross-arm is equipped with the 3rd insulator chain, under described second
Conducting wire cross-arm is equipped with the 4th insulator chain, and conducting wire cross-arm is equipped with the 5th insulator chain on described first, and conducting wire is horizontal on described second
Load is equipped with the 6th insulator chain, and first insulator chain, the 3rd insulator chain and the 5th insulator chain are hung respectively
If conducting wire the first circuit, second insulator chain, the 4th insulator chain and the 6th insulator chain is collectively formed
Second servo loop is collectively formed in the conducting wire hung respectively.
8. the tower head structure of double loop cat-head transmission tower according to claim 7, which is characterized in that first insulator chain is
First V-type insulator chain, second insulator chain are the second V-type insulator chain, and the both ends of the first V-type insulator chain connect
It is connected on the first conducting wire cross-arm or described first V-type insulator chain one end is connected on the first conducting wire cross-arm, is another
End be connected to described first crank arm on；
The both ends of the second V-type insulator chain are connected on the first conducting wire cross-arm or the second V-type insulator chain
One end is connected on the first conducting wire cross-arm, the other end be connected to described first crank arm on.
9. the tower head structure of the double loop cat-head transmission tower according to any one of claim 1 to 8, which is characterized in that also wrap
Earth wire support component is included, the earth wire support component includes the first earth wire support and the second earth wire support, the first ground wire branch
Frame is horizontally placed on one end of the first conducting wire cross-arm, second earth wire support is horizontally placed on the first conducting wire cross-arm
The other end.
10. a kind of double loop cat-head transmission tower, which is characterized in that including：
Tower body, the tower body are equipped with first end；And
The tower head structure of double loop cat-head transmission tower as described in any one of claim 1 to 9, first second end cranked arm and described
Second the 4th end cranked arm is connected respectively with the first end of the tower body and first second end cranked arm can relatively described
Two the 4th ends cranked arm rotate, make the first conducting wire cross-arm can upper and lower translation；Or, first second end cranked arm and described
Second the 4th end cranked arm be connected respectively with the first end of the tower body and described first crank arm can stretch along its length and
Described second, which cranks arm, to stretch along its length, make the first conducting wire cross-arm can upper and lower translation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526125.3U CN207453614U (en) | 2017-11-14 | 2017-11-14 | Double loop cat-head transmission tower and its tower head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526125.3U CN207453614U (en) | 2017-11-14 | 2017-11-14 | Double loop cat-head transmission tower and its tower head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207453614U true CN207453614U (en) | 2018-06-05 |
Family
ID=62279846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721526125.3U Withdrawn - After Issue CN207453614U (en) | 2017-11-14 | 2017-11-14 | Double loop cat-head transmission tower and its tower head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207453614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859407A (en) * | 2017-11-14 | 2018-03-30 | 广东天联电力设计有限公司 | Double loop cat-head transmission tower and its tower head structure |
-
2017
- 2017-11-14 CN CN201721526125.3U patent/CN207453614U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859407A (en) * | 2017-11-14 | 2018-03-30 | 广东天联电力设计有限公司 | Double loop cat-head transmission tower and its tower head structure |
| CN107859407B (en) * | 2017-11-14 | 2024-01-19 | 广东天联电力设计有限公司 | Double-loop cat head tower and tower head structure thereof |
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