CN104265053B - A kind of ultra-high-tension power transmission line Jiang Zhongta - Google Patents
A kind of ultra-high-tension power transmission line Jiang Zhongta Download PDFInfo
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- CN104265053B CN104265053B CN201410565861.4A CN201410565861A CN104265053B CN 104265053 B CN104265053 B CN 104265053B CN 201410565861 A CN201410565861 A CN 201410565861A CN 104265053 B CN104265053 B CN 104265053B
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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
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The present invention proposes column foot in a kind of ultra-high-tension power transmission line river, comprise steel pipe tower, column foot and protective guard, column foot arranges steel pipe tower, the periphery of column foot arranges protective guard, column foot comprises cushion cap, header board, intersection beam slab and pile, four cushion caps and header board successively interval are connected to form square entirety, and intersection beam slab is cross, and criss-cross four ends respectively connect a cushion cap; Four cushion caps, intersect the crosspoint of beam slab and extend to form pile downwards.Column foot of the present invention will arrange steel pipe tower, and steel pipe tower is supported on four cushion caps, fixing four cushion caps, can save material when meeting intensity by header board and the beam slab that intersects; Arrange five pile posts, play good load-bearing effect to column foot, major part stretches into fixing guarantee column foot in silt and stablizes; Arrange protective guard in column foot periphery, structure is simple and can effectively prevent boats and ships from directly clashing into column foot and steel pipe tower.
Description
Technical field
The invention belongs to power tower foundation field, be specifically related to a kind of ultra-high-tension power transmission line Jiang Zhongta.
Background technology
Existing power tower foundation design major part, for continental rise design, mainly considers during general design whether hole meets designing requirement deeply; Whether cement, sandstone meet the demands; Whether reinforcing bar is arranged according to designing requirement, whether welding meets regulatory requirements; Whether root is opened wrong; Anchoring bolt or inserted angle steel whether with consistent etc. the problem of design.Mainly design for maritime power tower foundation on the other hand, foundation structure has the forms such as pile foundation, gravity type foundation, jacket-type basis, negative-pressure foundation and floating platform usually, these foundation structures need large-scale facility to carry out transporting and installing usually, cause operating expenses higher, construction period is longer.
For estuary rivers column foot design be fewer; the factors such as tidal level height, water velocity, geologic parameter, height of foundation, given tensile load, foundation structure and foundation to protect are considered for the design of estuary rivers column foot is main; it is single that existing rivers power tower designs most of structure; enough intensity is obtained to strengthen pile size; not only waste material, under water velocity faster condition, reduce application life.Therefore, how base form reasonable in design and force transfer system, is delivered to basis safely and effectively by upper load, and the bearing capacity on the performance basis of maximum possible, and the construction restriction overcoming basis is a key link in basic engineering.
Summary of the invention
For solving above technical problem, the object of this invention is to provide the ultra-high-tension power transmission line river neutrality tower that a kind of structure is simple, have good strength, save material.
Technical scheme of the present invention is achieved in that a kind of ultra-high-tension power transmission line Jiang Zhongta, comprise steel pipe tower, column foot and protective guard, described column foot arranges steel pipe tower, the periphery of described column foot arranges protective guard, described column foot comprises cushion cap, header board, intersection beam slab and pile, the quantity of described cushion cap is four, the quantity of described header board is four, described cushion cap and header board successively interval are connected to form square entirety, described four cushion caps are as foursquare four angles, described four header boards are as foursquare four edges, described intersection beam slab is cross, criss-cross four ends respectively connect a cushion cap, the upper surface of described cushion cap is higher than header board, the upper surface of intersection beam slab, four cushion caps, intersect the crosspoint of beam slab and extend to form pile downwards, described pile is hollow tube, the inner placing of concrete of hollow tube, and 4/5 of described pile entirety stretches in silt fixing, and the diameter of described pile is 1.5-2m, and length is 75-80m, the at least side of described square entirety is provided with alongside structure, described alongside structure comprises by the deck of boat, rubber fender and mooring ring, the described side being fixedly mounted on square entirety by the deck of boat, described leaning on the deck of boat is vertically provided with at least two rubber fenders, the cross sectional shape of described rubber fender is " D " shape or " U " shape, and arch section toward the outer side, described mooring ring arranges the side by the deck of boat, and equidistantly arranges multiple in vertical direction, described leaning on the deck of boat is also provided with People's Bank of China's stair, and the top and bottom that the upper and lower two ends of described People's Bank of China stair extend to by the deck of boat are arranged.
Improve as one, described protective guard comprises fender pile and crash barrier, the quantity of described fender pile is many and equidistant arrangement surrounds square, spacing between adjacent fender pile is 4.5-5m, described fender pile is the hollow steel pipe of diameter 1m, the inner placing of concrete of fender pile forms stem, 4/5 of described fender pile entirety stretches in silt fixing, 1/5 of top is stretched out silt and is arranged crash barrier, the relative fender pile of described crash barrier is vertically arranged, and the diameter of crash barrier is 0.6m and is upper and lower two groups respectively to enclose shaping along adjacent fender pile; The top of described crash barrier is provided with the drag-line enclosing shaping along adjacent fender pile.
Improve as one, the quantity of described fender pile is 16 and with square arrangement, respectively there is a fender pile at foursquare four angles, foursquare four edges respectively have three fender pile; Fender pile on described square four angles is provided with warning navigation light.
Improve as one, described steel pipe tower comprises the first top cross-arm, second top cross-arm, cross-arm on first, cross-arm on second, cross-arm on 3rd, cross-arm in first, cross-arm in second, cross-arm in 3rd, first time cross-arm, second time cross-arm, 3rd time cross-arm, 4th time cross-arm, one T extension bar, 2nd T extension bar, 3rd T extension bar, 4th T extension bar, shaft tower main body, cross arm type insulator, wind-deviation insulator and movable cross-arm anchor ear, described first top cross-arm, second top cross-arm, cross-arm on first, cross-arm on second, cross-arm on 3rd, cross-arm in first, cross-arm in second, cross-arm in 3rd, first time cross-arm, second time cross-arm, 3rd time cross-arm, 4th time cross-arm, one T extension bar, 2nd T extension bar, 3rd T extension bar, 4th T extension bar is all installed with in shaft tower main body, and spatially hierarchical layout also forms angle in vertical direction, described first top cross-arm and the second top cross-arm are positioned at shaft tower main body top and in-line arrangement is in the horizontal direction the first level, on described first, on cross-arm and second, cross-arm is positioned at the second level, on first, on cross-arm and second, cross-arm is arranged in a word in the horizontal direction, be positioned at the below of the first level, be in same vertical plane with the first top cross-arm and the second top cross-arm, on described 3rd, cross-arm belongs to the second level, to be located on first on cross-arm and second below cross-arm, and the plane at cross-arm and shaft tower main body place on cross-arm and second on vertical first, on a described T extension bar and the 2nd T extension bar and the 3rd, cross-arm is positioned at same level plane, upright projection direction is placed in the both sides of cross-arm on second, wherein on a T extension bar and the 3rd, cross-arm is 30 ° of angles, on 2nd T extension bar and first, cross-arm is 120 ° of angles, in described first, in cross-arm and second, cross-arm is positioned at shaft tower third layer time, in first, in cross-arm and second, cross-arm is arranged in a word in the horizontal direction, be positioned at the below of the second level, with first on cross-arm and second cross-arm be in same vertical plane, in described 3rd, cross-arm belongs to third layer time, be arranged in below the first cross-arm and the second cross-arm, and the plane at cross-arm and shaft tower main body place in cross-arm and second in vertical first, in the 3rd described T extension bar and the 4th T extension bar and the 3rd, cross-arm is positioned at same level plane, upright projection direction is placed in cross-arm both sides in second, wherein in the 3rd T extension bar and the 3rd, cross-arm is 30 ° of angles, in 3rd T extension bar and first, cross-arm is 120 ° of angles, first time described cross-arm, second time cross-arm, the 3rd time cross-arm and the 4th time cross-arm belong to the 4th level, the arrangement in cross on upright projection direction, wherein in first time cross-arm, second time cross-arm and first, in cross-arm, second, cross-arm belongs in a plane, cross-arm, the 3rd time cross-arm side direction the same side in vertical direction in cross-arm, the 3rd on described 3rd, constructed plane orthogonal is in the plane at the first top cross-arm, the second cross-arm place, top, on the first described top cross-arm, the second top cross-arm, first on cross-arm, second on cross-arm, the 3rd in cross-arm, first in cross-arm, second in cross-arm, the 3rd cross-arm, first time cross-arm, second time cross-arm, the 3rd time cross-arm, the 4th time cross-arm be welded in tower bar main body by its junction plate, described cross arm type insulator and wind-deviation insulator are installed on the end of above-mentioned all cross-arms, a described T extension bar, the 2nd T extension bar, the 3rd T extension bar, the 4th T extension bar are fixed in tower bar main body by movable cross-arm anchor ear.
Improve as one, the first described top cross-arm is long is 1600mm, on described first, on cross-arm, second, on cross-arm, the 3rd, cross-arm, first time cross-arm, the 3rd time cross-arm, the 4th time cross-arm length are 2500mm, in described first, in cross-arm, the 3rd, cross-arm, the second top cross-arm length are 3000mm, and in second, cross-arm, second time cross-arm length are 850mm.
Beneficial effect of the present invention: column foot will arrange steel pipe tower, steel pipe tower is supported on four cushion caps, fixing four cushion caps and becomes one, can save material when meeting intensity by header board and the beam slab that intersects; Arrange five pile posts, play good load-bearing effect to column foot, major part stretches in silt and fixedly ensures that column foot is stablized, and saves material while the design of its diameter also reaches guaranteed strength; Arrange protective guard in column foot periphery, structure is simple and can effectively prevent boats and ships from directly clashing into column foot and steel pipe tower.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the perspective view of column foot of the present invention.
Fig. 3 is the front schematic view of steel pipe tower of the present invention.
Fig. 4 is the side schematic view of steel pipe tower of the present invention.
Fig. 5 is that the upper cross-arm T of steel pipe tower of the present invention connects schematic diagram.
Fig. 6 is that the middle cross-arm T of steel pipe tower of the present invention connects schematic diagram.
Fig. 7 is that the lower cross-arm T of steel pipe tower of the present invention connects schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As shown in Fig. 1,2,3,4,5,6,7, it is a kind of specific embodiment of ultra-high-tension power transmission line Jiang Zhongta of the present invention.This embodiment comprises steel pipe tower 1a, column foot 1b and protective guard 1c, described column foot 1b arranges steel pipe tower 1a, the periphery of described column foot 1b arranges protective guard 1c, described column foot 1b comprises cushion cap 1, header board 21, intersection beam slab 22 and pile 3, the quantity of described cushion cap 1 is four, the quantity of described header board 21 is four, described cushion cap 1 and header board 21 successively interval are connected to form square entirety, described four cushion caps 1 are as foursquare four angles, described four header boards 21 are as foursquare four edges, described intersection beam slab 22 is cross, criss-cross four ends respectively connect a cushion cap 1, the upper surface of described cushion cap 1 is higher than header board 21, the upper surface of intersection beam slab 22, four cushion caps 1, intersect the crosspoint of beam slab 22 and extend to form pile 3 downwards, described pile 3 is hollow tube, the inner placing of concrete of hollow tube, and 4/5 of described pile 3 entirety stretches in silt fixing, the diameter of described pile 3 is 1.5-2m, and length is 75-80m, the at least side of described square entirety is provided with alongside structure, described alongside structure comprises by the deck of boat 6, rubber fender 5 and mooring ring 4, the described side being fixedly mounted on square entirety by the deck of boat 6, described leaning on the deck of boat 6 is vertically provided with at least two rubber fenders 5, the cross sectional shape of described rubber fender 5 is " D " shape or " U " shape, and arch section toward the outer side, described mooring ring 4 arranges the side by the deck of boat 6, and equidistantly arranges multiple in vertical direction, described leaning on the deck of boat 6 is also provided with People's Bank of China's stair 7, and the top and bottom that described People's Bank of China stair about 7 two ends extend to by the deck of boat 6 are arranged.Column foot 1b is arranged steel pipe tower 1a, steel pipe tower 1a is supported on four cushion caps 1, fixing four cushion caps 1 and becomes one, can save material when meeting intensity by header board 21 and the beam slab 22 that intersects; Arrange protective guard 1c in column foot 1b periphery, structure is simple and can effectively prevent boats and ships from directly clashing into column foot 1b and steel pipe tower 1a; The upper surface of cushion cap 1, higher than header board 21, the upper surface of beam slab 22 of intersecting, is convenient to arrange steel pipe tower 1a, is made header board 21, the beam slab 22 that intersects do not contact with steel pipe tower 1a, does not affect beam slab 21, the connection of intersection beam slab 22 pairs of cushion caps 1 and load-bearing; Arrange 3, four, five pile post and be respectively arranged on a cushion cap 1 time, a crosspoint being arranged on intersection beam slab 22 is downward, plays good load-bearing effect to column foot 1b; In pile 3, placing of concrete strengthens intensity, can bear comparatively high sea; Pile 3 major part namely 4/5 length stretch in silt fixing firm, make overall durable in use not yielding; Material is saved while the design of pile 3 diameter also reaches guaranteed strength.Column foot 1b or steel pipe tower 1a needs timing to carry out safeguarding and overhauling, and arranges the boats and ships stop that alongside structure is convenient to staff; Alongside structure can be set at least side, also can arrange and multiplely be convenient to many boats and ships and stop simultaneously; Arrange rubber fender 5 and be beneficial to boats and ships buffering, its shape is convenient to manufacture and function is good; What arrange that boats and ships when equidistant multiple mooring ring 4 in vertical direction is convenient to different water level stop is fixing, and People's Bank of China's stair 7 facilitate upper and lower when different water level of staff.
As a kind of detailed description of the invention of improvement, described protective guard 1c comprises fender pile 1c1 and crash barrier 1c2, the quantity of described fender pile 1c1 is many and equidistant arrangement surrounds square, spacing between adjacent fender pile 1c1 is 4.5-5m, described fender pile 1c1 is the hollow steel pipe of diameter 1m, the inner placing of concrete of fender pile 1c1 forms stem 1c3, 4/5 of described fender pile 1c1 entirety stretches in silt fixing, 1/5 of top is stretched out silt and is arranged crash barrier 1c2, described crash barrier 1c2 is relative, and fender pile 1c1 is vertically arranged, the diameter of crash barrier 1c2 is 0.6m and is upper and lower two groups respectively to enclose shaping along adjacent fender pile 1c1, the top of described crash barrier 1c2 is provided with the drag-line 1c4 enclosing shaping along adjacent fender pile 1c1.Many fender pile 1c1 equidistant arrangement are adopted to surround foursquare structure simple, be convenient to site operation, the spacing of 4.5-5m is adopted between fender pile 1c1, intercept entering but being convenient to sailing into compared with craft of large ship, while effectively can surrounding the column foot 1b in fender pile 1c1, facilitate the close work of function ship; In fender pile 1c1, placing of concrete forms stem 1c3 and strengthens intensity, can bear stormy waves and common shock; Fender pile 1c1 major part namely 4/5 length stretch in silt fixing firm, make overall durable in use not yielding; Coordinate and the vertically disposed crash barrier 1c2 of fender pile 1c1, strengthen integrally-built firmness, make entirety not yielding, and each fender pile 1c1 and crash barrier 1c2 uniform force, promote bulk strength; Fender pile 1c1 and crash barrier 1c2 diameter design rationally, save material while guaranteed strength.The setting of drag-line 1c4 improves the toughness between fender pile 1c1, adds overall intensity and application life, and protects the not yielding fracture damage of fender pile 1c1 and crash barrier 1c2 to inner column foot 1b when being hit.
As a kind of detailed description of the invention of improvement, the quantity of described fender pile 1c1 is 16 and with square arrangement, respectively there is a fender pile 1c1 at foursquare four angles, foursquare four edges respectively have three fender pile 1c1; Fender pile 1c1 on described square four angles is provided with warning navigation light 1c5.The design of above structure makes fender pile 1c1 firm, and constructability, the square size that fender pile 1c1 surrounds is determined, matching with column foot 1b uses; No matter by day or night, arranging of warning navigation light 1c5 ensures, to the prompting of dealing boats and ships, to reduce the possibility that boats and ships hit by mistake, play better protection effect.
As a kind of detailed description of the invention of improvement, described steel pipe tower 1a comprises the first top cross-arm 1a1, second top cross-arm 1a15, cross-arm 1a3 on first, cross-arm 1a4 on second, cross-arm 1a9 on 3rd, cross-arm 1a5 in first, cross-arm 1a16 in second, cross-arm 1a11 in 3rd, first time cross-arm 1a7, second time cross-arm 1a13, 3rd time cross-arm 1a14, 4th time cross-arm 1a17, one T extension bar 1a18, 2nd T extension bar 1a19, 3rd T extension bar 1a20, 4th T extension bar 1a21, shaft tower main body, cross arm type insulator, wind-deviation insulator and movable cross-arm anchor ear, described first top cross-arm 1a1, second top cross-arm 1a15, cross-arm 1a3 on first, cross-arm 1a4 on second, cross-arm 1a9 on 3rd, cross-arm 1a5 in first, cross-arm 1a16 in second, cross-arm 1a11 in 3rd, first time cross-arm 1a7, second time cross-arm 1a13, 3rd time cross-arm 1a14, 4th time cross-arm 1a17, one T extension bar 1a18, 2nd T extension bar 1a19, 3rd T extension bar 1a20, 4th T extension bar 1a21 all installs with in shaft tower main body, and spatially hierarchical layout also forms angle in vertical direction, described first top cross-arm 1a1 and the second top cross-arm 1a15 is positioned at shaft tower main body top and in-line arrangement is in the horizontal direction the first level, on described first, on cross-arm 1a3 and second, cross-arm 1a4 is positioned at the second level, on first, on cross-arm 1a3 and second, cross-arm 1a4 arranges in a word in the horizontal direction, be positioned at the below of the first level, be in same vertical plane with the first top cross-arm 1a1 and the second top cross-arm 1a15, on described 3rd, cross-arm 1a9 belongs to the second level, to be located on first on cross-arm 1a3 and second below cross-arm 1a4, and the plane at cross-arm 1a4 and shaft tower main body place on cross-arm 1a3 and second on vertical first, on a described T extension bar 1a18 and the 2nd T extension bar 1a19 and the 3rd, cross-arm 1a9 is positioned at same level plane, upright projection direction is placed in the both sides of cross-arm 1a4 on second, wherein on a T extension bar 1a18 and the 3rd, cross-arm 1a9 is 30 ° of angles, on 2nd T extension bar 1a19 and first, cross-arm 1a3 is 120 ° of angles, in described first, in cross-arm 1a5 and second, cross-arm 1a16 is positioned at shaft tower third layer time, in first, in cross-arm 1a5 and second, cross-arm 1a16 arranges in a word in the horizontal direction, be positioned at the below of the second level, with first on cross-arm 1a3 and second cross-arm 1a4 be in same vertical plane, in described 3rd, cross-arm 1a11 belongs to third layer time, be arranged in below the first cross-arm 1a5 and the second cross-arm 1a16, and the plane at cross-arm 1a16 and shaft tower main body place in cross-arm 1a5 and second in vertical first, in the 3rd described T extension bar 1a20 and the 4th T extension bar 1a21 and the 3rd, cross-arm 1a11 is positioned at same level plane, upright projection direction is placed in cross-arm 1a16 both sides in second, wherein in the 3rd T extension bar 1a20 and the 3rd, cross-arm 1a11 is 30 ° of angles, in 3rd T extension bar 1a21 and first, cross-arm 1a5 is 120 ° of angles, first time described cross-arm 1a7, second time cross-arm 1a17, the 3rd time cross-arm 1a13 and the 4th time cross-arm 1a14 belong to the 4th level, the arrangement in cross on upright projection direction, wherein in first time cross-arm 1a7, second time cross-arm 1a17 and first, in cross-arm 1a5, second, cross-arm 1a16 belongs in a plane, cross-arm 1a11, the 3rd time cross-arm 1a13 side direction the same side in vertical direction in cross-arm 1a9, the 3rd on described 3rd, constructed plane orthogonal is in the plane at the first top cross-arm 1a1, the second cross-arm 1a15 place, top, on the first described top cross-arm 1a1, the second top cross-arm 1a15, first on cross-arm 1a3, second on cross-arm 1a4, the 3rd in cross-arm 1a9, first in cross-arm 1a5, second in cross-arm 1a16, the 3rd cross-arm 1a11, first time cross-arm 1a7, second time cross-arm 1a13, the 3rd time cross-arm 1a14, the 4th time cross-arm 1a17 be welded in tower bar main body by its junction plate, described cross arm type insulator and wind-deviation insulator are installed on the end of above-mentioned all cross-arms, a described T extension bar 1a18, the 2nd T extension bar 1a19, the 3rd T extension bar 1a20, the 4th T extension bar 1a21 are fixed in tower bar main body by movable cross-arm anchor ear.Fig. 3 illustrates described all cross-arms and all T extension bars are all installed with in shaft tower main body, and spatially hierarchical design shape form an angle.Cross arm type insulator and wind-deviation insulator are installed on cross arm end.
Preferably, first top cross-arm 1a1 is long is 1600mm, on first, on cross-arm 1a3, second, on cross-arm 1a4, the 3rd, cross-arm 1a9, first time cross-arm 1a7, the 3rd time cross-arm 1a13, the 4th time cross-arm 1a14 length are 2500mm, in first, in cross-arm 1a5, the 3rd, cross-arm 1a11, the second top cross-arm 1a15 are long is 3000mm, and in second, cross-arm 1a16, second time cross-arm 1a17 length are 850mm.。
Newly-increased four the T extension bars in the position of cross-arm and multiple middle cross-arm, are fixed by movable cross-arm anchor ear on multiple, and the distribution of its particular location as shown in Figure 5,6.Fig. 5 is that upper cross-arm T connects schematic diagram, cross-arm 1a9 distribution in " ┬ " shape on cross-arm 1a4, the 3rd on cross-arm 1a3, second on first, and a newly-increased T extension bar 1a18 and the 2nd T extension bar 1a19 is placed in cross-arm 1a4 both sides on second, respectively in 60 ° of angles.Fig. 6 is that middle cross-arm T connects schematic diagram, cross-arm 1a11 distribution in " ┬ " shape in cross-arm 1a16, the 3rd in cross-arm 1a5, second in first, and newly-increased 3rd T extension bar 1a20 and the 4th T extension bar 1a21 is placed in cross-arm 1a16 both sides in second, respectively in 60 ° of angles.Fig. 7 is that lower cross-arm T connects schematic diagram, and first time cross-arm 1a7, second time cross-arm 1a17, the 3rd time cross-arm 1a13, the 4th time cross-arm 1a14 are that cross is arranged.On traditional cross-arm cross arrangement mode, as shown in Figure 3, its cross-arm 1a16 in cross-arm 1a4, second that to be connected up and down on second is in vertical same plane, and the beeline that on it, lower wire intersects is the vertical distance between cross-arm.When adopting the improving one's methods of the present embodiment, the cross-arm increased newly in T extension bar and same level plane is 60 ° of angles, to show between connected upper and lower cross-arm not in same vertical plane, the wire beeline that then phase space is intersected is not the vertical distance between upper and lower cross-arm, for vertical plane face being formed the hypotenuse of a right-angled triangle, thus the space crossed distance between wire and wire is increased, by to cross-arm length and the adjustment newly connecing T extension bar angle, solve the deficiency of the electrical distance of circuit on space crossed.
Preferably, the cross section of all cross-arms adopted is square, and all cross-arms and tower bar main body link are provided with connector, and connector opposite side is provided with fixed head, fixed head is fixed by bolt and cross-arm junction plate, is welded in shaft tower main body by cross-arm by cross-arm junction plate.Cross-arm end is provided with hush panel and thread gripping-board, and thread gripping-board bottom is provided with hanging wire ring, for hanging wind-deviation insulator and cross arm type insulator.
Preferably, in second, cross-arm 1a16, second time cross-arm 1a17 are hyphen load, and its end arranges cross arm type insulator, solve the application on shaft tower of hyphen load and meet the requirement of jumper string to electrical distance; On 3rd, in cross-arm 1a9, the 3rd, cross-arm 1a11, second time cross-arm 1a13 end all add cross arm type insulator and wind-deviation insulator, on first, on cross-arm 1a3, second, in cross-arm 1a4, first, cross-arm 1a5, first time cross-arm 1a7 end all add wind-deviation insulator, and a T extension bar 1a18, the 3rd T extension bar 1a20 end all add wind-deviation insulator.Cross arm type insulator and wind-deviation insulator include isolator and excellent core, and described excellent core is inner at isolator, and isolator and excellent core Joint, described excellent core one end of stretching out outside isolator is fixed end, and the other end is terminals.Cross arm type insulator can increase the length of hyphen load, thus the space crossed distance between increase wire, wind-deviation insulator can prevent wire amplitude of fluctuation from occurring to prevent high-voltage conducting wires and tower bar bulk air insulation distance from shortening to discharge or the generation of flashover fault.Cross arm type insulator and wind-deviation insulator have excellent anti-fouling effect, are in operation and substantially do not need cleaning, can exempt from null value and safeguard.On the basis of the steel pipe pole that the present invention arranges at original cross-arm cross, replacing three groups is only needed to fix cross-arm, new clothes four groups of activity cross-arms, the space crossed safe distance requirement of conductor wire can be met, and construction costs is low, electric substation's power off time is short, has better economic benefit.
Claims (5)
1. a ultra-high-tension power transmission line Jiang Zhongta, it is characterized in that: comprise steel pipe tower (1a), column foot (1b) and protective guard (1c), described column foot (1b) is arranged steel pipe tower (1a), the periphery of described column foot (1b) arranges protective guard (1c), described column foot (1b) comprises cushion cap (1), header board (21), intersection beam slab (22) and pile (3), the quantity of described cushion cap (1) is four, the quantity of described header board (21) is four, described cushion cap (1) and header board (21) successively interval are connected to form square entirety, described four cushion caps (1) are as foursquare four angles, described four header boards (21) are as foursquare four edges, described intersection beam slab (22) is cross, criss-cross four ends respectively connect a cushion cap (1), the upper surface of described cushion cap (1) is higher than header board (21), the upper surface of intersection beam slab (22), four cushion caps (1), intersect the crosspoint of beam slab (22) and extend to form pile (3) downwards, described pile (3) is hollow tube, the inner placing of concrete of hollow tube, 4/5 of described pile (3) entirety stretches in silt fixing, the diameter of described pile (3) is 1.5-2m, and length is 75-80m, the at least side of described square entirety is provided with alongside structure, described alongside structure comprises by the deck of boat (6), rubber fender (5) and mooring ring (4), the described side being fixedly mounted on square entirety by the deck of boat (6), described leaning on the deck of boat (6) is vertically provided with at least two rubber fenders (5), the cross sectional shape of described rubber fender (5) is " D " shape or " U " shape, and arch section toward the outer side, described mooring ring (4) arranges the side by the deck of boat (6), and equidistantly arranges multiple in vertical direction, described leaning on the deck of boat (6) is also provided with People's Bank of China's stair (7), and described People's Bank of China stair (7) top and bottom that two ends extend to by the deck of boat (6) are up and down arranged.
2. a kind of ultra-high-tension power transmission line Jiang Zhongta according to claim 1, it is characterized in that: described protective guard (1c) comprises fender pile (1c1) and crash barrier (1c2), the quantity of described fender pile (1c1) is many and equidistant arrangement surrounds square, spacing between adjacent fender pile (1c1) is 4.5-5m, the hollow steel pipe that described fender pile (1c1) is diameter 1m, the inner placing of concrete of fender pile (1c1) forms stem (1c3), 4/5 of described fender pile (1c1) entirety stretches in silt fixing, 1/5 of top is stretched out silt and is arranged crash barrier (1c2), described crash barrier (1c2) relatively fender pile (1c1) is vertically arranged, the diameter of crash barrier (1c2) is 0.6m and is upper and lower two groups respectively to enclose shaping along adjacent fender pile (1c1), the top of described crash barrier (1c2) is provided with the drag-line (1c4) enclosing shaping along adjacent fender pile (1c1).
3. a kind of ultra-high-tension power transmission line Jiang Zhongta according to claim 2, it is characterized in that: the quantity of described fender pile (1c1) is 16 and with square arrangement, respectively there is a fender pile (1c1) at foursquare four angles, foursquare four edges respectively have three fender pile (1c1); Fender pile (1c1) on described square four angles is provided with warning navigation light (1c5).
4. a kind of ultra-high-tension power transmission line Jiang Zhongta according to claim 1 or 2 or 3, is characterized in that: described steel pipe tower (1a) comprises the first top cross-arm (1a1), second top cross-arm (1a15), cross-arm (1a3) on first, cross-arm (1a4) on second, cross-arm (1a9) on 3rd, cross-arm (1a5) in first, cross-arm (1a16) in second, cross-arm (1a11) in 3rd, first time cross-arm (1a7), second time cross-arm (1a13), 3rd time cross-arm (1a14), 4th time cross-arm (1a17), one T extension bar (1a18), 2nd T extension bar (1a19), 3rd T extension bar (1a20), 4th T extension bar (1a21), shaft tower main body, cross arm type insulator, wind-deviation insulator and movable cross-arm anchor ear, described first top cross-arm (1a1), second top cross-arm (1a15), cross-arm (1a3) on first, cross-arm (1a4) on second, cross-arm (1a9) on 3rd, cross-arm (1a5) in first, cross-arm (1a16) in second, cross-arm (1a11) in 3rd, first time cross-arm (1a7), second time cross-arm (1a13), 3rd time cross-arm (1a14), 4th time cross-arm (1a17), one T extension bar (1a18), 2nd T extension bar (1a19), 3rd T extension bar (1a20), 4th T extension bar (1a21) is all installed with in shaft tower main body, and spatially hierarchical layout also forms angle in vertical direction, described first top cross-arm (1a1) and the second top cross-arm (1a15) are positioned at shaft tower main body top and in-line arrangement is in the horizontal direction the first level, on described first, on cross-arm (1a3) and second, cross-arm (1a4) is positioned at the second level, on first, on cross-arm (1a3) and second, cross-arm (1a4) is arranged in a word in the horizontal direction, be positioned at the below of the first level, be in same vertical plane with the first top cross-arm (1a1) and the second top cross-arm (1a15), on described 3rd, cross-arm (1a9) belongs to the second level, be located at cross-arm (1a4) below on cross-arm on first (1a3) and second, and the plane at cross-arm (1a4) and shaft tower main body place on cross-arm (1a3) and second on vertical first, on a described T extension bar (1a18) and the 2nd T extension bar (1a19) and the 3rd, cross-arm (1a9) is positioned at same level plane, upright projection direction is placed in the both sides of cross-arm (1a4) on second, wherein on a T extension bar (1a18) and the 3rd cross-arm (1a9) in 30 ° of angles, on 2nd T extension bar (1a19) and first, cross-arm (1a3) is in 120 ° of angles, in described first, in cross-arm (1a5) and second, cross-arm (1a16) is positioned at shaft tower third layer time, in first, in cross-arm (1a5) and second, cross-arm (1a16) is arranged in a word in the horizontal direction, be positioned at the below of the second level, with first on cross-arm (1a3) and second cross-arm (1a4) be in same vertical plane, in described 3rd, cross-arm (1a11) belongs to third layer time, be arranged in the first cross-arm (1a5) and the second cross-arm (1a16) below, and the plane at cross-arm (1a16) and shaft tower main body place in cross-arm (1a5) and second in vertical first, in the 3rd described T extension bar (1a20) and the 4th T extension bar (1a21) and the 3rd, cross-arm (1a11) is positioned at same level plane, upright projection direction is placed in cross-arm (1a16) both sides in second, wherein in the 3rd T extension bar (1a20) and the 3rd cross-arm (1a11) in 30 ° of angles, in 3rd T extension bar (1a21) and first, cross-arm (1a5) is in 120 ° of angles, first time described cross-arm (1a7), second time cross-arm (1a17), the 3rd time cross-arm (1a13) and the 4th time cross-arm (1a14) belong to the 4th level, the arrangement in cross on upright projection direction, wherein in first time cross-arm (1a7), second time cross-arm (1a17) and first, in cross-arm (1a5), second, cross-arm (1a16) belongs in a plane, cross-arm (1a11), the 3rd time cross-arm (1a13) side direction the same side in vertical direction in cross-arm (1a9), the 3rd on described 3rd, constructed plane orthogonal is in the plane at the first top cross-arm (1a1), the second top cross-arm (1a15) place, the first described top cross-arm (1a1), second top cross-arm (1a15), cross-arm (1a3) on first, cross-arm (1a4) on second, cross-arm (1a9) on 3rd, cross-arm (1a5) in first, cross-arm (1a16) in second, cross-arm (1a11) in 3rd, first time cross-arm (1a7), second time cross-arm (1a13), 3rd time cross-arm (1a14), 4th time cross-arm (1a17) is welded in tower bar main body by its junction plate, described cross arm type insulator and wind-deviation insulator are installed on the end of above-mentioned all cross-arms, a described T extension bar (1a18), the 2nd T extension bar (1a19), the 3rd T extension bar (1a20), the 4th T extension bar (1a21) are fixed in tower bar main body by movable cross-arm anchor ear.
5. a kind of ultra-high-tension power transmission line Jiang Zhongta according to claim 4, it is characterized in that: the first described top cross-arm (1a1) is long is 1600mm, cross-arm (1a3) on described first, cross-arm (1a4) on second, cross-arm (1a9) on 3rd, first time cross-arm (1a7), 3rd time cross-arm (1a13), 4th time cross-arm (1a14) length is 2500mm, cross-arm (1a5) in described first, cross-arm (1a11) in 3rd, second top cross-arm (1a15) is long is 3000mm, cross-arm (1a16) in second, second time cross-arm (1a17) length is 850mm.
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| CN107611783A (en) * | 2017-10-23 | 2018-01-19 | 国网浙江省电力公司经济技术研究院 | The back-to-back arrangement of brace type bus |
| CN112343416B (en) * | 2020-10-23 | 2022-06-03 | 国网山东省电力公司梁山县供电公司 | Guardrail for safety operation |
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