CN107859407B - Double-loop cat head tower and tower head structure thereof - Google Patents
Double-loop cat head tower and tower head structure thereof Download PDFInfo
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- CN107859407B CN107859407B CN201711122703.1A CN201711122703A CN107859407B CN 107859407 B CN107859407 B CN 107859407B CN 201711122703 A CN201711122703 A CN 201711122703A CN 107859407 B CN107859407 B CN 107859407B
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- 241000282326 Felis catus Species 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000012212 insulator Substances 0.000 claims description 75
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening Methods 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
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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
- 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
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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
- 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
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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
- 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
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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
- E04H12/24—Cross arms
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a double-loop cat head tower and a tower head structure thereof, wherein the tower head structure comprises: the first wire cross arm can stretch along the length direction of the first wire cross arm; the crank arm assembly comprises a first crank arm and a second crank arm, one end of the first crank arm is connected with one end of the first wire cross arm, and one end of the second crank arm is connected with the other end of the first wire cross arm; the other end of the first crank arm can be rotationally connected with the other end of the second crank arm relatively, the first wire cross arm can be vertically translated, the crank arm assembly further comprises a first locking mechanism used for locking the first crank arm and the second crank arm to relatively rotate, or the first crank arm can stretch out and draw back along the length direction of the first crank arm and the second crank arm can stretch out and draw back along the length direction of the second crank arm, the first wire cross arm can be vertically translated, and the crank arm assembly further comprises a second locking mechanism used for locking and loosening the first crank arm and the second crank arm to stretch out and draw back. The double-loop cat head tower and the tower head structure thereof have the advantage that the tower head height can adapt to different erection requirements.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a double-loop cat head tower and a tower head structure thereof.
Background
Along with further strengthening of economic strength in China, the demand for electric power is becoming larger and larger, so that a line corridor is becoming increasingly complex, and accordingly, higher-level requirements are provided for erection of a power transmission tower, and particularly when line construction is performed in a line crossing area, the height requirements for the tower are becoming stricter.
The traditional double-loop power transmission tower generally adopts a drum-shaped tower head or an umbrella-shaped tower head, and leads of the drum-shaped tower head or the umbrella-shaped tower head are vertically arranged in sequence from top to bottom, so that the height of the tower head is higher, and when the power transmission tower passes through a section with requirements on the tower height, the use requirements cannot be met even if the tower is called up to the minimum.
Disclosure of Invention
Based on this, it is necessary to provide a double-loop cat-head tower and a tower head structure thereof, wherein the tower head height can adapt to different erection requirements.
The technical scheme is as follows:
a tower head structure of a double loop cat-head tower comprising: the first wire cross arm can stretch along the length direction of the first wire cross arm; the crank arm assembly comprises a first crank arm and a second crank arm, the first crank arm comprises a first end and a second end which are opposite, the second crank arm comprises a third end and a fourth end which are opposite, the first end of the first crank arm is connected with one end of the first wire cross arm, and the third end of the second crank arm is connected with the other end of the first wire cross arm; the second end of first arm can rotate and connect, make relative the fourth end of second arm first wire cross arm can translate from top to bottom, the arm module still includes first locking mechanism, first locking mechanism is used for locking or unclamping first arm with relative rotation between the second arm, perhaps first arm can be followed its length direction and the second arm can be followed its length direction and flexible, make first wire cross arm can translate from top to bottom, the arm module still includes the second locking mechanism, the second locking mechanism is used for locking or unclamping the concertina motion of first arm and the concertina motion of second arm.
The tower head structure of the double-loop cat-head tower comprises a first wire cross arm and a crank arm assembly, wherein the first wire cross arm can stretch and retract along the length direction so as to adapt to the adjustment of the height of the tower head, the crank arm assembly comprises a first crank arm and a second crank arm, one end of the first crank arm is connected with one end of the first wire cross arm, one end of the second crank arm is connected with the other end of the first wire cross arm, the other end of the first crank arm is connected with the other end of the second crank arm, the other end of the first crank arm can rotate relative to the other end of the second crank arm, or the first crank arm can stretch and retract along the length direction, and the second crank arm can stretch and retract along the length direction, so that the height of the first wire cross arm can not adapt to the requirements of the tower head through simultaneous relative rotation between the first crank arm and the second crank arm and locking and unlocking of the first locking mechanism.
The technical scheme is further described as follows:
in one embodiment, the first crank arm comprises a first lower crank arm and a first upper crank arm, the second crank arm comprises a second lower crank arm and a second upper crank arm, one end of the first upper crank arm is connected with one end of the first wire cross arm, and one end of the second upper crank arm is connected with the other end of the first wire cross arm; one end of the first lower crank arm can be rotationally connected with one end of the second lower crank arm, so that the first wire cross arm can translate up and down, or/and the other end of the first lower crank arm can be rotationally connected with the other end of the first upper crank arm, and the other end of the second lower crank arm can be rotationally connected with the other end of the second upper crank arm, so that the first wire cross arm can translate up and down. The first crank arm comprises a first lower crank arm and a first upper crank arm, the second crank arm comprises a second lower crank arm and a second upper crank arm, one end of the first lower crank arm is connected with one end of the second lower crank arm, and one end of the first lower crank arm can rotate relative to one end of the second lower crank arm, so that the first wire cross arm can translate up and down in the vertical direction; the other end of the first lower crank arm is rotatably connected with the other end of the first upper crank arm, the other end of the second lower crank arm is rotatably connected with the other end of the second upper crank arm, and the first wire cross arm can be horizontally moved up and down in the vertical direction, so that the height of the tower head part can be flexibly adjusted.
In one embodiment, one end of the first upper crank arm is rotatably connected with one end of the first wire cross arm, and one end of the second upper crank arm is rotatably connected with the other end of the first wire cross arm, so that the first wire cross arm can translate up and down. The first upper crank arm and the second upper crank arm are respectively and rotatably connected with the first wire cross arm, so that the first wire cross arm can translate up and down in the vertical direction, and the tower head height adjusting mode is more flexible.
In one embodiment, the wire guide assembly further comprises a wire guide arm assembly, the wire guide arm assembly comprises a first lower wire guide arm, a second lower wire guide arm, a first upper wire guide arm and a second upper wire guide arm, the first lower wire guide arm is arranged on the first lower crank arm and is far away from the second lower crank arm, the second lower wire guide arm is arranged on the second lower crank arm and is far away from the first lower crank arm, the first upper wire guide arm is arranged on the first upper crank arm and is far away from the second upper crank arm, and the second upper wire guide arm is arranged on the second upper crank arm and is far away from the first upper crank arm.
In one embodiment, the first lower wire cross arm is movable along the length of the first lower crank arm and the second lower wire cross arm is movable along the length of the second lower crank arm; or/and, the first upper wire cross arm can move along the length direction of the first upper crank arm, and the second upper wire cross arm can move along the length direction of the second upper crank arm. The first lower wire cross arm can be adjusted along the position of the first lower crank arm in the length direction, the second lower wire cross arm can be adjusted along the position of the second lower crank arm in the length direction, the distance between the first lower wire cross arm and the first upper wire cross arm and the distance between the second lower wire cross arm and the second upper wire cross arm can be adjusted according to actual requirements on the premise of meeting the electric safety distance, and the change of the tower head height is adapted; the first upper wire cross arm can be adjusted along the position of the first upper crank arm in the length direction, the second upper wire cross arm can be adjusted along the position of the second upper crank arm in the length direction, the distance between the first upper wire cross arm and the first lower wire cross arm and the distance between the second upper wire cross arm and the second lower wire cross arm can be adjusted according to the more practical requirement on the premise of meeting the electric safety distance, and the change of the tower head height can be adapted more flexibly.
In one embodiment, the first wire cross arm is disposed between the first upper crank arm and the second upper crank arm. The first wire cross arm is arranged on the inner sides of the first upper crank arm and the second upper crank arm, so that the height of the tower head part belonging to the first wire cross arm part is reduced.
In one embodiment, the first wire cross arm is provided with a first insulator chain and a second insulator chain, the first lower wire cross arm is provided with a third insulator chain, the second lower wire cross arm is provided with a fourth insulator chain, the first upper wire cross arm is provided with a fifth insulator chain, the second upper wire cross arm is provided with a sixth insulator chain, wires respectively hung on the first insulator chain, the third insulator chain and the fifth insulator chain form a first loop together, and wires respectively hung on the second insulator chain, the fourth insulator chain and the sixth insulator chain form a second loop together.
In one embodiment, the first insulator string is a first V-shaped insulator string, the second insulator string is a second V-shaped insulator string, two ends of the first V-shaped insulator string are connected to the first wire cross arm, or one end of the first V-shaped insulator string is connected to the first wire cross arm, and the other end of the first V-shaped insulator string is connected to the first crank arm; and two ends of the second V-shaped insulator string are connected to the first wire cross arm, or one end of the second V-shaped insulator string is connected to the first wire cross arm, and the other end of the second V-shaped insulator string is connected to the first crank arm. The connection mode at two ends of the V-shaped insulator string can be flexibly selected according to actual requirements.
In one embodiment, the device further comprises a ground wire support assembly, wherein the ground wire support assembly comprises a first ground wire support and a second ground wire support, the first ground wire support is horizontally arranged at one end of the first wire cross arm, and the second ground wire support is horizontally arranged at the other end of the first wire cross arm. The horizontal arrangement of the ground wire support assembly reduces the height of the tower head part belonging to the ground wire support assembly.
A dual loop cat-head tower comprising: the device comprises a tower body, a first connecting rod and a second connecting rod, wherein the tower body is provided with a first end; the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body, and the second end of the first crank arm can rotate relative to the fourth end of the second crank arm so that the first wire cross arm can translate up and down; or, the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body, and the first crank arm can stretch and retract along the length direction of the first crank arm and the second crank arm can stretch and retract along the length direction of the second crank arm, so that the first wire cross arm can translate up and down.
According to the double-loop cat-head tower, the tower head part is connected with the tower body part, the first wire cross arm can translate up and down in the vertical direction, and the ground height of the first wire cross arm can be adjusted according to actual conditions, so that the whole double-loop cat-head tower can adapt to different erection requirements.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a tower head structure of a dual loop cat-head tower of the present invention;
fig. 2 is a schematic diagram of another embodiment of the head structure of the double loop cat-head tower of the present invention.
Reference numerals illustrate:
100. the tower body, 200, tower head structure, 210, first wire cross arm, 221, first lower crank arm, 222, first upper crank arm, 231, second lower crank arm, 232, second upper crank arm, 241, first lower wire cross arm, 242, second lower wire cross arm, 243, first upper wire cross arm, 244, second upper wire cross arm, 251, first ground wire bracket, 252, second ground wire bracket.
Detailed Description
The present invention will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "fixed" another element, it can be fixed or non-fixed in place. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first," "second," "third," and the like in this disclosure do not denote a particular quantity or order, but rather are used for distinguishing between similar names.
As shown in fig. 1 and 2, a tower head structure 200 of a double loop cat-head tower according to an embodiment of the present invention includes: the first wire cross arm 210, the first wire cross arm 210 being retractable along the length direction; the crank arm assembly comprises a first crank arm and a second crank arm, the first crank arm comprises a first end and a second end which are opposite, the second crank arm comprises a third end and a fourth end which are opposite, the first end of the first crank arm is connected with one end of the first wire cross arm 210, and the third end of the second crank arm is connected with the other end of the first wire cross arm 210; the second end of the first crank arm can be rotatably connected with the fourth end of the second crank arm, so that the first wire cross arm 210 can translate up and down, the crank arm assembly further comprises a first locking mechanism, the first locking mechanism is used for locking or unlocking relative rotation between the first crank arm and the second crank arm, or the first crank arm can stretch out and draw back along the length direction of the first crank arm and the second crank arm can stretch out and draw back along the length direction of the second crank arm, the first wire cross arm 210 can translate up and down, and the crank arm assembly further comprises a second locking mechanism, and the second locking mechanism is used for locking or unlocking the stretching motion of the first crank arm and the stretching motion of the second crank arm.
The tower head structure 200 of the double-loop cat-head tower comprises a first wire cross arm 210 and a crank arm assembly, wherein the first wire cross arm 210 can stretch and retract along the length direction of the first wire cross arm to adapt to the adjustment of the height of the tower head, the crank arm assembly comprises a first crank arm and a second crank arm, one end of the first crank arm is connected with one end of the first wire cross arm 210, one end of the second crank arm is connected with the other end of the first wire cross arm 210, the other end of the first crank arm is connected with the other end of the second crank arm, and the other end of the first crank arm can rotate relative to the other end of the second crank arm; in the first embodiment, the other end of the first crank arm is connected to one end of the tower body 100, the other end of the first crank arm can rotate relative to one end of the tower body 100, the other end of the second crank arm is connected to one end of the tower body 100, and the other end of the second crank arm can rotate relative to one end of the tower body 100; in the second embodiment, the other end of the first crank arm and the other end of the second crank arm are respectively connected to one end of the tower body 100, and the other end of the first crank arm and the other end of the second crank arm are rotatably connected; in the third embodiment, the first crank arm is retractable along the length direction thereof and the second crank arm is retractable along the length direction thereof. The locking and unlocking of the rotational movement by the first locking mechanism may be, for example, a rotation of the first crank arm to the right with respect to the second crank arm while the second crank arm rotates to the left with respect to the first crank arm, or a rotation of the first crank arm to the left with respect to the second crank arm while the second crank arm rotates to the right with respect to the first crank arm. Through the linkage between the first crank arm and the second crank arm, and the combination of the first locking mechanism to lock and unlock the linkage, the up-and-down translation of the first wire cross arm 210 in the vertical direction is realized, the simultaneous expansion of the first crank arm and the second crank arm and the locking and unlocking of the expansion motion by the second locking mechanism can be realized, so that the first wire cross arm 210 can translate up and down in the vertical direction, the height of the first wire cross arm 210 is adjusted, the tower head height can adapt to different erection requirements, and meanwhile, compared with the traditional drum-shaped and umbrella-shaped tower, the double-loop cat head tower structure steel consumption is small, the tower head height is effectively reduced by about 40% -50%, the cost of traversing the existing line is reduced, the engineering investment is saved, and the lightning protection effect is good.
The telescopic manner of the first wire cross arm 210, the telescopic manner of the first crank arm, and the telescopic manner of the second crank arm may be a sliding fit telescopic manner, a socket fit telescopic manner, or other existing structures capable of realizing telescopic functions; the first locking mechanism and the second locking mechanism can be in a mode that a lock pin is matched with a lock hole, can be in a mode that a screw is matched with a threaded hole, and can also be other existing mechanisms or elements capable of realizing a locking function; a linkage device, such as a link mechanism or a hinge mechanism, can be further arranged between the first crank arm and the second crank arm, so that the rotation of the first crank arm can drive the second crank arm to link without rotating the first crank arm and the second crank arm respectively.
As shown in fig. 1 and 2, based on any of the above embodiments, the first crank arm and the second crank arm may be an integral crank arm, or may be a combination of a plurality of short arms, and specifically, the first crank arm includes a first lower crank arm 221 and a first upper crank arm 222, the second crank arm includes a second lower crank arm 231 and a second upper crank arm 232, one end of the first upper crank arm 222 is connected with one end of the first wire cross arm 210, and one end of the second upper crank arm 232 is connected with the other end of the first wire cross arm 210; one end of the first lower crank arm 221 may be rotatably connected with respect to one end of the second lower crank arm 231, so that the first wire cross arm 210 may translate up and down, or/and, the other end of the first lower crank arm 221 may be rotatably connected with the other end of the first upper crank arm 222, and the other end of the second lower crank arm 231 may be rotatably connected with the other end of the second upper crank arm 232, so that the first wire cross arm 210 may translate up and down. The first crank arm includes a first lower crank arm 221 and a first upper crank arm 222, the second crank arm includes a second lower crank arm 231 and a second upper crank arm 232, wherein the first lower crank arm 221 and the second lower crank arm 231 are symmetrically arranged, the first upper crank arm 222 and the second upper crank arm 232 are symmetrically arranged, one end of the first lower crank arm 221 is connected with one end of the second lower crank arm 231 and one end of the first lower crank arm 221 can rotate relative to one end of the second lower crank arm 231, in the fourth embodiment, the first lower crank arm 221 and the second lower crank arm 231 are respectively connected with a first end of the tower body 100, the first lower crank arm 221 can rotate relative to the tower body 100, and the second lower crank arm 231 can rotate relative to the tower body 100; in the fifth embodiment, the first lower crank arm 221 and the second lower crank arm 231 are respectively connected to the first end of the tower body 100, and the first lower crank arm 221 and the second lower crank arm 231 are rotatably connected; in the sixth embodiment, the first lower crank arm 221 is retractable in the longitudinal direction thereof, and the second lower crank arm 231 is retractable in the longitudinal direction thereof; by utilizing the rotation relationship between the first lower crank arm 221 and the second lower crank arm 231, for example, the first lower crank arm 221 may rotate leftwards and the second lower crank arm 231 may rotate rightwards, or the first lower crank arm 221 may rotate rightwards and the second lower crank arm 231 may rotate leftwards, so that the first wire cross arm 210 may translate up and down in the vertical direction, and the height of the tower head portion may be adjusted. On the basis of the embodiment, the other end of the first lower crank arm 221 is rotatably connected with the other end of the first upper crank arm 222, and the other end of the second lower crank arm 231 is rotatably connected with the other end of the second upper crank arm 232, so that the first wire cross arm 210 can translate up and down in the vertical direction, and the height of the tower head part can be flexibly adjusted.
As shown in fig. 1 and 2, in the above embodiment, one end of the first upper crank arm 222 is rotatably connected to one end of the first wire cross arm 210, and one end of the second upper crank arm 232 is rotatably connected to the other end of the first wire cross arm 210, so that the first wire cross arm 210 can translate up and down. The first upper crank arm 222 and the second upper crank arm 232 are respectively rotatably connected with the first wire cross arm 210, so that the first wire cross arm 210 can translate up and down in the vertical direction, and the adjustment mode of the tower head height is more flexible. The rotation between the first lower crank arm 221 and the second lower crank arm 231 or the rotation between the first upper crank arm 222 and the second upper crank arm 232 may be selectively adjusted to translate the first wire crossarm 210 up and down in the vertical direction to adjust the height of the tower head portion.
As shown in fig. 1 and 2, the present invention further includes an edge wire cross arm assembly, where the edge wire cross arm assembly includes a first lower wire cross arm 241, a second lower wire cross arm 242, a first upper wire cross arm 243, and a second upper wire cross arm 244, the first lower wire cross arm 241 is disposed on the first lower crank arm 221 and the first lower wire cross arm 241 is disposed away from the second lower crank arm 231, the second lower wire cross arm 242 is disposed on the second lower crank arm 231 and the second lower wire cross arm 242 is disposed away from the first lower crank arm 221, the first upper wire cross arm 243 is disposed on the first upper crank arm 222 and the first upper wire cross arm 243 is disposed away from the second upper crank arm 232, and the second upper wire cross arm 244 is disposed on the second upper crank arm 232 and the second upper wire cross arm 244 is disposed away from the first upper crank arm 222. The first lower wire cross arm 241 and the second lower wire cross arm 242 are axially symmetrically arranged, and the first upper wire cross arm 243 and the second upper wire cross arm 244 are axially symmetrically arranged. In the seventh embodiment, the first lower wire crossarm 241 is movable in the length direction of the first lower crank arm 221, and the second lower wire crossarm 242 is movable in the length direction of the second lower crank arm 231; alternatively or additionally, the first upper wire cross arm 243 may be movable along the length of the first upper crank arm 222 and the second upper wire cross arm 244 may be movable along the length of the second upper crank arm 232. The first lower wire cross arm 241 may be adjustable along the length direction of the first lower crank arm 221 and the second lower wire cross arm 242 may be adjustable along the length direction of the second lower crank arm 231, and the distance between the first lower wire cross arm 241 and the first upper wire cross arm 243 and the distance between the second lower wire cross arm 242 and the second upper wire cross arm 244 may be adjusted according to the actual requirement on the premise of satisfying the electric safety distance, so as to adapt to the change of the tower head height. In the eighth embodiment, the position of the first upper wire cross arm 243 along the length direction of the first upper crank arm 222 is adjustable, the position of the second upper wire cross arm 244 along the length direction of the second upper crank arm 232 is adjustable, and the distance between the first upper wire cross arm 243 and the first lower wire cross arm 241 and the distance between the second upper wire cross arm 244 and the second lower wire cross arm 242 can be adjusted to flexibly adapt to the change of the tower head height on the premise of meeting the electric safety distance.
Further, the first wire cross arm 210 is disposed between the first upper crank arm 222 and the second upper crank arm 232. The first wire cross arm 210 is disposed inside the first upper crank arm 222 and the second upper crank arm 232, reducing the height of the tower head portion belonging to the first wire cross arm 210 portion. It should be noted that the first wire cross arm 210 may also be disposed on the first upper crank arm 222 and the second upper crank arm 232.
Further, the first wire cross arm 210 is provided with a first insulator string and a second insulator string, the first lower wire cross arm 241 is provided with a third insulator string, the second lower wire cross arm 242 is provided with a fourth insulator string, the first upper wire cross arm 243 is provided with a fifth insulator string, the second upper wire cross arm 244 is provided with a sixth insulator string, wires respectively hung on the first insulator string, the third insulator string and the fifth insulator string form a first loop together, and wires respectively hung on the second insulator string, the fourth insulator string and the sixth insulator string form a second loop together. The insulator string can be a V-shaped insulator string, an I-shaped insulator string or other insulator strings meeting the use requirement, wherein the V-shaped insulator string is the whole V-shaped insulator string and a hanging frame hanging the insulator string, and the I-shaped insulator string is the whole I-shaped insulator string and the hanging frame hanging the insulator string. On the basis of the embodiment, the first insulator string is a first V-shaped insulator string, the second insulator string is a second V-shaped insulator string, two ends of the first V-shaped insulator string are connected to the first wire cross arm 210, or one end of the first V-shaped insulator string is connected to the first wire cross arm 210, and the other end is connected to the first crank arm; two ends of the second V-shaped insulator string are connected to the first wire cross arm 210, or one end of the second V-shaped insulator string is connected to the first wire cross arm 210, and the other end is connected to the first crank arm. The connection mode at two ends of the V-shaped insulator string can be flexibly selected according to actual requirements.
As shown in fig. 1 and 2, the present invention further includes a ground wire bracket assembly, where the ground wire bracket assembly includes a first ground wire bracket 251 and a second ground wire bracket 252, the first ground wire bracket 251 is horizontally disposed at one end of the first wire cross arm 210, and the second ground wire bracket 252 is horizontally disposed at the other end of the first wire cross arm 210. The horizontal arrangement of the ground wire support assembly reduces the height of the tower head part belonging to the ground wire support assembly. The first ground wire holder 251 may be disposed obliquely to the first wire cross arm 210, and the second ground wire holder 252 may be disposed obliquely to the first wire cross arm 210. When the first wire cross arm 210 is disposed between the first upper crank arm 222 and the second upper crank arm 232, the first ground wire bracket 251 may also be disposed on the first upper crank arm 222, and the second ground wire bracket 252 may also be disposed on the second upper crank arm 232.
The double-loop cat-head tower of the invention comprises: a tower body 100, the tower body 100 being provided with a first end; and the tower head structure 200 of the double-loop cat-head tower, wherein the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body 100, and the second end of the first crank arm can rotate relative to the fourth end of the second crank arm, so that the first wire cross arm 210 can translate up and down; or, the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body 100, and the first crank arm can stretch along the length direction of the first crank arm and the second crank arm can stretch along the length direction of the second crank arm, so that the first wire cross arm 210 can translate up and down.
In the double-loop cat-head tower of the above embodiment, the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body 100, and the second end of the first crank arm can rotate relative to the fourth end of the second crank arm, so that the first wire cross arm 210 can translate up and down. In the ninth embodiment, the second end of the first crank arm is connected to the first end of the tower body and the second end of the first crank arm can rotate relative to the first end of the tower body 100, and the fourth end of the second crank arm is connected to the first end of the tower body 100 and the fourth end of the second crank arm can rotate relative to the first end of the tower body; in the tenth embodiment, the second end of the first crank arm and the fourth end of the second crank arm are respectively connected to the first end of the tower body 100, and the second end of the first crank arm and the fourth end of the second crank arm are rotatably connected; in an eleventh embodiment, the second end of the first crank arm and the fourth end of the second crank arm are fixedly connected to the first end of the tower body, respectively, the first crank arm is capable of extending and retracting along the length direction thereof, and the second crank arm is capable of extending and retracting along the length direction thereof. The locking and unlocking of the rotational movement by the first locking mechanism may be, for example, a rotation of the first crank arm to the right with respect to the second crank arm while the second crank arm rotates to the left with respect to the first crank arm, or a rotation of the first crank arm to the left with respect to the second crank arm while the second crank arm rotates to the right with respect to the first crank arm. The linkage between the first crank arm and the second crank arm is locked and released by combining the first locking mechanism, so that the vertical translation of the first wire cross arm 210 in the vertical direction is realized, the simultaneous expansion of the first crank arm and the second crank arm and the locking and releasing of the expansion motion by the second locking mechanism can be realized, the first wire cross arm 210 can translate up and down in the vertical direction, the height of the first wire cross arm 210 is adjusted, the tower head height can adapt to different erection requirements, and compared with the traditional drum-shaped and umbrella-shaped towers, the double-loop cat head tower steel consumption of the embodiment of the invention is small, the tower head height can be effectively reduced by about 40% -50%, the cost of traversing the existing line is reduced, the engineering investment is saved, and the lightning protection effect is good.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A tower head structure of a double loop cat-head tower, comprising:
the first wire cross arm can stretch along the length direction of the first wire cross arm; and
The crank arm assembly comprises a first crank arm and a second crank arm, the first crank arm comprises a first end and a second end which are opposite, the second crank arm comprises a third end and a fourth end which are opposite, the first end of the first crank arm is connected with one end of the first wire cross arm, and the third end of the second crank arm is connected with the other end of the first wire cross arm;
the second end of the first crank arm can be rotatably connected relative to the fourth end of the second crank arm, so that the first wire cross arm can translate up and down, and the crank arm assembly further comprises a first locking mechanism, wherein the first locking mechanism is used for locking or loosening the relative rotation between the first crank arm and the second crank arm; or the first crank arm can stretch out and draw back along the length direction of the first crank arm and the second crank arm can stretch out and draw back along the length direction of the second crank arm, so that the first wire cross arm can translate up and down, and the crank arm assembly further comprises a second locking mechanism, wherein the second locking mechanism is used for locking or loosening the stretching movement of the first crank arm and the stretching movement of the second crank arm.
2. The double loop cat-head tower construction of claim 1 wherein the first crank arm comprises a first lower crank arm and a first upper crank arm, the second crank arm comprises a second lower crank arm and a second upper crank arm, one end of the first upper crank arm is connected to one end of the first wire cross arm, one end of the second upper crank arm is connected to the other end of the first wire cross arm;
one end of the first lower crank arm can be rotationally connected relative to one end of the second lower crank arm, so that the first wire cross arm can translate up and down; or/and, the other end of the first lower crank arm is rotatably connected with the other end of the first upper crank arm, and the other end of the second lower crank arm is rotatably connected with the other end of the second upper crank arm, so that the first wire cross arm can translate up and down.
3. The double loop cat-head tower structure of claim 2, wherein one end of the first upper crank arm is rotatably connected to one end of the first wire cross arm, and one end of the second upper crank arm is rotatably connected to the other end of the first wire cross arm, so that the first wire cross arm can translate up and down.
4. The double loop cat-head tower structure of claim 2, further comprising an edge wire cross arm assembly, the edge wire cross arm assembly comprising a first lower wire cross arm, a second lower wire cross arm, a first upper wire cross arm and a second upper wire cross arm, the first lower wire cross arm disposed on the first lower crank arm and the first lower wire cross arm disposed away from the second lower crank arm, the second lower wire cross arm disposed on the second lower crank arm and the second lower wire cross arm disposed away from the first lower crank arm, the first upper wire cross arm disposed on the first upper crank arm and the first upper wire cross arm disposed away from the second upper crank arm, the second upper wire cross arm disposed on the second upper crank arm and the second upper wire cross arm disposed away from the first upper crank arm.
5. The tower head structure of the double loop cat-head tower of claim 4, wherein the first lower wire cross arm is movable along the length of the first lower crank arm and the second lower wire cross arm is movable along the length of the second lower crank arm;
or/and, the first upper wire cross arm can move along the length direction of the first upper crank arm, and the second upper wire cross arm can move along the length direction of the second upper crank arm.
6. The double loop cat-head tower construction of claim 4, wherein the first wire cross arm is disposed between the first upper crank arm and the second upper crank arm.
7. The tower head structure of the double-loop cat-head tower according to claim 4, wherein the first wire cross arm is provided with a first insulator string and a second insulator string, the first lower wire cross arm is provided with a third insulator string, the second lower wire cross arm is provided with a fourth insulator string, the first upper wire cross arm is provided with a fifth insulator string, the second upper wire cross arm is provided with a sixth insulator string, wires respectively hung on the first insulator string, the third insulator string and the fifth insulator string form a first loop together, and wires respectively hung on the second insulator string, the fourth insulator string and the sixth insulator string form a second loop together.
8. The tower head structure of the double-loop cat-head tower according to claim 7, wherein the first insulator string is a first V-shaped insulator string, the second insulator string is a second V-shaped insulator string, two ends of the first V-shaped insulator string are connected to the first wire cross arm, or one end of the first V-shaped insulator string is connected to the first wire cross arm, and the other end is connected to the first crank arm;
and two ends of the second V-shaped insulator string are connected to the first wire cross arm, or one end of the second V-shaped insulator string is connected to the first wire cross arm, and the other end of the second V-shaped insulator string is connected to the first crank arm.
9. The tower head structure of a double loop cat-head tower according to any of the claims 1 to 8, further comprising a ground wire bracket assembly comprising a first ground wire bracket and a second ground wire bracket, said first ground wire bracket being horizontally arranged at one end of said first wire cross arm and said second ground wire bracket being horizontally arranged at the other end of said first wire cross arm.
10. A dual loop cat-head tower comprising:
the device comprises a tower body, a first connecting rod and a second connecting rod, wherein the tower body is provided with a first end; and
The tower head structure of the double loop cat-head tower according to any one of claims 1 to 9, wherein the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body, and the second end of the first crank arm can rotate relative to the fourth end of the second crank arm, so that the first wire cross arm can translate up and down; or, the second end of the first crank arm and the fourth end of the second crank arm are respectively connected with the first end of the tower body, and the first crank arm can stretch and retract along the length direction of the first crank arm and the second crank arm can stretch and retract along the length direction of the second crank arm, so that the first wire cross arm can translate up and down.
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| CN107859407B true CN107859407B (en) | 2024-01-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6115988A (en) * | 1997-11-12 | 2000-09-12 | Laminated Wood Systems, Inc. | Methods of raising utility pole transmission hardware |
| JP2006052530A (en) * | 2004-08-09 | 2006-02-23 | Yurtec Corp | Steel tower raising device |
| CN203383567U (en) * | 2013-05-22 | 2014-01-08 | 四川擎烽通信有限责任公司 | Telescopic communication iron tower |
| CN205846663U (en) * | 2016-07-20 | 2016-12-28 | 济宁精道智能科技有限责任公司 | A kind of height-adjustable overhead line structures |
| CN107143195A (en) * | 2017-04-14 | 2017-09-08 | 熊琪辉 | A kind of height adjustable electric pole |
| CN207453614U (en) * | 2017-11-14 | 2018-06-05 | 广东天联电力设计有限公司 | Double-loop cat-head tower and tower head structure thereof |
-
2017
- 2017-11-14 CN CN201711122703.1A patent/CN107859407B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6115988A (en) * | 1997-11-12 | 2000-09-12 | Laminated Wood Systems, Inc. | Methods of raising utility pole transmission hardware |
| JP2006052530A (en) * | 2004-08-09 | 2006-02-23 | Yurtec Corp | Steel tower raising device |
| CN203383567U (en) * | 2013-05-22 | 2014-01-08 | 四川擎烽通信有限责任公司 | Telescopic communication iron tower |
| CN205846663U (en) * | 2016-07-20 | 2016-12-28 | 济宁精道智能科技有限责任公司 | A kind of height-adjustable overhead line structures |
| CN107143195A (en) * | 2017-04-14 | 2017-09-08 | 熊琪辉 | A kind of height adjustable electric pole |
| CN207453614U (en) * | 2017-11-14 | 2018-06-05 | 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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