CN107355118A - A kind of transmission tower - Google Patents
A kind of transmission tower Download PDFInfo
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- CN107355118A CN107355118A CN201710630674.3A CN201710630674A CN107355118A CN 107355118 A CN107355118 A CN 107355118A CN 201710630674 A CN201710630674 A CN 201710630674A CN 107355118 A CN107355118 A CN 107355118A
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- Prior art keywords
- tower body
- parts
- base
- arm
- tower
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
-
- 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
- E04H12/22—Sockets or holders for poles or posts
-
- 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
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
- E04H12/2276—Clamping poles or posts on a stub
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to transmission facility technical field,More particularly to a kind of transmission tower,Including tower body,Cross-arm and base,The tower body is in cylinder,Longitudinally disposed glass fibre lath inside the tower body,The tower body outer surface is arranged circumferentially CFRP strip,The cross-arm is arranged on tower body upper end,Support bar is set between the cross-arm and tower body,The support bar and cross-arm,Tower body junction is respectively provided with reinforcing plate,The base is arranged on tower body lower end,The base is truncated cone-shaped,Square accommodating chamber is set in the base,The tower body bottom extends to accommodating chamber middle and lower part,The tower body lower end sets hourglass-shaped cushion socket,The cushion socket upper surface flushes with the accommodating cavity upper surface,Some first damping springs are set between the cushion socket lower surface and the accommodating chamber bottom,One the second damping spring is respectively set between the cushion socket sloped sidewall and the accommodating chamber side wall.Transmission tower of the present invention is simple in construction, and high mechanical strength is stable and firm.
Description
Technical field
The invention belongs to transmission facility technical field, and in particular to a kind of transmission tower.
Background technology
Transmission tower is the pith of network system, and our common electric poles are wooden electric pole, concurrent and iron
Bar, early stage electric pole are rods, and concurrent is the electric pole made of concrete and rebar or steel wire, what iron was cast by iron
Electric pole, the section form of electric pole have square, octagonal, I-shaped, annular or some other profiled-cross-section.But these electric poles
In the field environment, the influence of the natural calamities such as high wind, heavy rain, earthquake is easily received, electric pole easily glances off, and triggers safety
Accident.
Publication No. CN106930595A Chinese invention patent application discloses a kind of sturdy and durable transmission tower, including
Tower body and tower arm, cat ladder are arranged on the side of tower body, and cat ladder support one end is welded with cat ladder, and the other end is welded on tower body, kept away
Thunder pin is arranged on the top of tower body, and by wire ground, fixing bolt respectively on four corners of base are fixed on, and
It is connected with cement structures ground, tower arm includes insulator, insulated tension pole, insulator rod and tower arm support, insulator and fixed
In insulator rod, insulator rod bottom is connected with insulated tension pole one end, and the insulated tension pole other end is fixed with tower arm, insulator rod
Top is fixedly connected with tower arm, and tower arm centre position is supported by tower wall and is connected with tower body.It is integrally steady that the invention adds tower bar
It is qualitative, and shaft tower light weight, the safe operation of transmission line of electricity has been effectively ensured.But the patent shaft tower light weight, machinery are strong
Spend low, stability is poor.
The Chinese utility model patent that notification number is CN206220626U discloses a kind of shockproof electric pole, including support bottom
Seat, shock-damping structure and electric pole main body, support base center open up accommodating chamber, and support base upper surface sets cover plate, in cover plate
The heart sets through hole, and shock-damping structure includes setting cushion socket and connecting rod, cushion socket to be arranged in accommodating chamber, and connecting rod upper end is stretched out
Outside through hole, sealing ring is set between connecting rod and cover plate, the enhancement layer for setting longitude and latitude to interweave in sealing ring, cushion socket accommodating chamber it
Between multiple damping springs are set.The utility model is being connected by setting damping spring between support base and cushion socket
Sealing ring is set between extension bar and cover plate, and the shear wave and compressional wave of effective pre- earthquake-proof damage to the rigidity of electric pole, while also have
Make the advantages that simple, easy for installation.But the patent cushion socket is square structure, the impulsive force damping being subject to electric pole is imitated
Fruit is poor.
The content of the invention
To overcome drawbacks described above, it is an object of the invention to provide a kind of transmission tower.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of transmission tower, including tower body, cross-arm and base, the tower body is in cylinder, the longitudinally disposed glass in the tower body inside
Glass fiber lath, the tower body outer surface are arranged circumferentially CFRP strip, and the cross-arm is arranged on tower body upper end, the cross-arm and
Support bar is set between tower body, and the support bar is respectively provided with reinforcing plate with cross-arm, tower body junction, and the base is arranged on tower body
Lower end, the base are truncated cone-shaped, square accommodating chamber are set in the base, under the tower body bottom is extended in accommodating chamber
Portion, the tower body lower end set hourglass-shaped cushion socket, and the cushion socket upper surface flushes with the accommodating cavity upper surface, described
Some first damping springs are set between cushion socket lower surface and the accommodating chamber bottom, the cushion socket sloped sidewall with it is described
One the second damping spring is respectively set between accommodating chamber side wall.
Preferably, metal reinforced hoop is also set up on the CFRP strip of the tower body outer surface.
Preferably, the metal reinforced hoop is steel strap, and the steel strap is provided with least one fastening port, the fastening
Port is bolted.
Preferably, the glass fibre lath is in latticed arrangement.
Preferably, the tower body and filled bitumen in base gap.
Preferably, the glass fibre lath thickness 2-5mm, width 20-50mm, spacing 20-100mm, the carbon fiber
Lath thickness 1-4mm, width 20-50mm, spacing 100-300mm.
Preferably, the base is formed by concreting.
Preferably, the concrete is prepared from the following raw materials in parts by weight:Cement 70-100 parts, steel fibre 15-25 parts,
Boron nitride fiber 5-10 parts, sodium metasilicate 5-10 parts, one-level flyash 20-40 parts, haydite 10-15 parts, middle sand 50-75 parts, water
30-50 parts and high-efficiency water-reducing agent of poly-carboxylic acid 5-10 parts.
Preferably, described cement is PO42.5, PO42.5R or PO52.5 class g cement.
Preferably, a diameter of 0.2~0.5 mm of described steel fibre, length are 20~30 mm, tensile strength >=1000
N/mm2。
The positive beneficial effect of the present invention:
1. tower body of the present invention is in cylinder, the longitudinally disposed glass fibre lath in the tower body inside, the tower body outer surface
CFRP strip is arranged circumferentially, glass fibre lath has higher mechanical performance, preferable heat resistance and moisture resistivity, carbon fiber
Lath tensile strength is high, and corrosion resistance, shock resistance, impact resistance are functional, the knot of glass fibre lath and CFRP strip
Close and use, improve the horizontal and vertical bearing capacity of tower body, tower body stability is high.
The cross-arm is arranged on tower body upper end, sets support bar between the cross-arm and tower body, the support bar and cross-arm,
Tower body junction is respectively provided with reinforcing plate, and cross-arm position consolidates.
The base is arranged on tower body lower end, and the base is truncated cone-shaped, and square accommodating chamber is set in the base, described
Tower body bottom extends to accommodating chamber middle and lower part, and the tower body lower end sets hourglass-shaped cushion socket, the cushion socket upper surface and institute
State accommodating cavity upper surface to flush, some first damping bullets are set between the cushion socket lower surface and the accommodating chamber bottom
Spring, second damping spring is respectively set, and what tower body was subject to rushes between the cushion socket sloped sidewall and the accommodating chamber side wall
Hit that power is fully dispersed in hourglass-shaped cushion socket, what tower body bottom was further subject to by the first damping spring and the second damping spring
Impulsive force carries out multi-direction buffering respectively, ensure that the stability of tower body lower end.
Transmission tower of the present invention is simple in construction, and high mechanical strength is stable and firm.
2. also setting up metal reinforced hoop on the CFRP strip of tower body outer surface of the present invention, metal reinforced hoop anchors
Ring CFRP strip, tower body anti seismic efficiency are more preferable.The metal reinforced hoop is steel strap, and the steel strap is provided with least one
Port is fastened, the fastening port is bolted, and metal reinforced hoop is easy to operate.The glass fibre lath is in latticed cloth
Put, add tower body longitudinal stability.The tower body and filled bitumen in base gap, tower body fixation in base.Institute
State glass fibre lath thickness 2-5mm, width 20-50mm, spacing 20-100mm, the CFRP strip thickness 1-4mm, width
20-50mm, spacing 100-300mm, glass fibre lath and CFRP strip connection and reasonable arrangement, ensure that the uniform stressed of tower body,
High mechanical strength.
3. base of the present invention is formed by concreting, steel fibre has excellent adhesive property, improves base
Cracking resistance, suppress the development in crack, make base that there is preferable resistance to compression, shock resistance.Boron nitride fiber has intensity height, bullet
Property modulus is high, in light weight, thermostabilization and thermal conductivity are high, improve the intensity and heat-sinking capability of concrete.One-level fly ash grain is thin,
Intensity is high, improves the workability of concrete.Haydite density is small, internal porous, and form, composition are more uniform, and have some strength and
Robustness, thus there is light, corrosion-resistant, freeze proof, antidetonation and good insulating feature.The various raw materials of the present invention share, institute
Compression strength >=39.1MPa of seat concrete is stated, split tensile strength >=5.1MPa, compression strength and split tensile strength are high, make base
High mechanical strength, anti-seismic performance are excellent.
Brief description of the drawings
Fig. 1 is the transmission tower structural representation of the embodiment of the present invention 1;
Fig. 2 is the tower body overlooking the structure diagram of the embodiment of the present invention 1;
Fig. 3 is the tower body overlooking the structure diagram of the embodiment of the present invention 2;
In figure:1- tower bodies, 2- cross-arms, 3- bases, 4- glass fibre laths, 5- CFRP strips, 7- reinforcing plates, 8- accommodating chambers,
9- cushion sockets, the damping springs of 10- first, the damping springs of 11- second, the metal reinforced hoops of 12-, 13- bolts.
Embodiment
With reference to some specific embodiments, the present invention is further described.
Embodiment 1
Referring to Fig. 1 and 2, a kind of transmission tower, including tower body 1, cross-arm 2 and base 3, the tower body 1 is in cylinder, the tower body
The 1 longitudinally disposed glass fibre lath 4 in inside, the glass fibre lath 4 is in latticed arrangement, the outer surface ring of tower body 1
CFRP strip 5, the glass fibre lath thickness 2mm, width 20mm, spacing 20mm, the CFRP strip thickness are set
1.5mm, width 20mm, spacing 200mm, the cross-arm 2 are arranged on the upper end of tower body 1, and branch is set between the cross-arm 2 and tower body 1
Strut 6, the support bar 6 are respectively provided with reinforcing plate 7 with cross-arm 2, the junction of tower body 1, and the base 3 is arranged on the lower end of tower body 1, institute
It is truncated cone-shaped to state base 3, and square accommodating chamber 8 is set in the base 3, and the bottom of tower body 1 extends to the middle and lower part of accommodating chamber 8,
The lower end of tower body 1 sets hourglass-shaped cushion socket 9, and the upper surface of cushion socket 9 flushes with the upper surface of accommodating cavity 8, institute
Filled bitumen in tower body 1 and the gap of base 3 is stated, three articles the are set between the lower surface of cushion socket 9 and the bottom of the accommodating chamber 8
One damping spring 10, second damping spring is respectively set between the sloped sidewall of cushion socket 9 and the side wall of the accommodating chamber 8
11。
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO42.5 levels
70 parts of cement, 15 parts of steel fibre, 5 parts of boron nitride fiber, 5 parts of sodium metasilicate, 20 parts of one-level flyash, 10 parts of haydite, middle 60 parts of sand,
5 parts of 30 parts of water and high-efficiency water-reducing agent of poly-carboxylic acid.
A diameter of 0.2~0.5 mm of described steel fibre, length are 20~30 mm, the N/mm of tensile strength >=10002。
Embodiment 2
Referring to Fig. 3, the present embodiment transmission tower structure and the transmission tower structure of embodiment 1 are essentially identical, and something in common does not repeat,
Somewhat different is:The glass fibre lath thickness 3mm, width 30mm, spacing 50mm, the CFRP strip thickness 1mm,
Width 50mm, spacing 100mm, metal reinforced hoop 12 is also set up on the outer surface CFRP strip of tower body 1, it is described metal reinforced
Hoop 12 is steel strap, and the steel strap is provided with a fastening port, and the fastening port is fixed by bolt 13.
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO42.5R levels
75 parts of cement, 25 parts of steel fibre, 6 parts of boron nitride fiber, 5 parts of sodium metasilicate, 30 parts of one-level flyash, 12 parts of haydite, middle sand 70
Part, 6 parts of 35 parts of water and high-efficiency water-reducing agent of poly-carboxylic acid.
Embodiment 3
The present embodiment transmission tower structure and the transmission tower structure of embodiment 2 are essentially identical, and something in common does not repeat, somewhat different
Be:The glass fibre lath thickness 5mm, width 50mm, spacing 100mm, the CFRP strip thickness 4mm, width
30mm, spacing 300mm.
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO52.5 levels
80 parts of cement, 20 parts of steel fibre, 6 parts of boron nitride fiber, 6 parts of sodium metasilicate, 25 parts of one-level flyash, 15 parts of haydite, middle 50 parts of sand,
7 parts of 36 parts of water and high-efficiency water-reducing agent of poly-carboxylic acid.
Embodiment 4
The present embodiment transmission tower structure and the transmission tower structure of embodiment 2 are essentially identical, and something in common does not repeat, somewhat different
Be:The glass fibre lath thickness 3mm, width 30mm, spacing 50mm, the CFRP strip thickness 2mm, width
20mm, spacing 200mm.
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO52.5 levels
85 parts of cement, 20 parts of steel fibre, 7 parts of boron nitride fiber, 7 parts of sodium metasilicate, 30 parts of one-level flyash, 12 parts of haydite, middle 60 parts of sand,
7 parts of 40 parts of water and high-efficiency water-reducing agent of poly-carboxylic acid.
Embodiment 5
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO42.5 class g cements
90 parts, 25 parts of steel fibre, 7 parts of boron nitride fiber, 7 parts of sodium metasilicate, 35 parts of one-level flyash, 15 parts of haydite, middle 70 parts of sand, water 42
8 parts of part and high-efficiency water-reducing agent of poly-carboxylic acid.
Embodiment 6
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO42.5R class g cements
85 parts, 20 parts of steel fibre, 8 parts of boron nitride fiber, 8 parts of sodium metasilicate, 35 parts of one-level flyash, 10 parts of haydite, middle 75 parts of sand, water 45
9 parts of part and high-efficiency water-reducing agent of poly-carboxylic acid.
Embodiment 7
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO52.5 class g cements
95 parts, 25 parts of steel fibre, 9 parts of boron nitride fiber, 9 parts of sodium metasilicate, 40 parts of one-level flyash, 13 parts of haydite, middle 70 parts of sand, water 46
9 parts of part and high-efficiency water-reducing agent of poly-carboxylic acid.
Embodiment 8
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO42.5 class g cements
100 parts, 25 parts of steel fibre, 10 parts of boron nitride fiber, 10 parts of sodium metasilicate, 40 parts of one-level flyash, 15 parts of haydite, middle 75 parts of sand,
10 parts of 50 parts of water and high-efficiency water-reducing agent of poly-carboxylic acid.
Comparative example 1
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO52.5 class g cements
85 parts, 20 parts of steel fibre, 7 parts of boron nitride fiber, 7 parts of sodium metasilicate, 30 parts of one-level flyash, 12 parts of particle diameter 5-12mm rubbles, in
7 parts of 60 parts of sand, 40 parts of water and high-efficiency water-reducing agent of poly-carboxylic acid.
Comparative example 2
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO52.5 class g cements
85 parts, 20 parts of steel fibre, 7 parts of sodium metasilicate, 30 parts of one-level flyash, 12 parts of haydite, middle 60 parts of sand, 40 parts of water and polycarboxylic acids are efficient
7 parts of water reducer.
Comparative example 3
The present embodiment transmission tower structure and the transmission tower structure of embodiment 4 are essentially identical, and something in common does not repeat, somewhat different
Be:
The base is formed by concreting, and the concrete is prepared from the following raw materials in parts by weight:PO52.5 class g cements
85 parts, 20 parts of steel fibre, 7 parts of boron nitride fiber, 30 parts of one-level flyash, 12 parts of haydite, middle 60 parts of sand, 40 parts of water and polycarboxylic acids
7 parts of high efficiency water reducing agent.
Intensity is carried out to the seat concrete mixed material of 1-8 of the embodiment of the present invention and comparative example 1-3 transmission towers
Test, it is disposable respectively to load die trial, plugged and pounded with spatula along each die trial wall during charging, then die trial is put on a vibration table, it is divided to two
It is secondary to be vibrated, the unnecessary mixed material of die trial mouth is scraped off, then conserves 24 h with floating be put into concrete curing box of spatula,
Form removal, finally move in concrete standard fog room and conserved, taken out after 28 days, carry out strength test, as a result see the table below 1.
The strength test results of 1 seat concrete of the present invention of table
From above-mentioned table 1, haydite is replaced with particle diameter 5-12mm rubbles by comparative example 1, and comparative example 2 omits boron nitride
The use of fiber, comparative example 3 omit the use of sodium metasilicate, are compared to comparative example, each originals of 1-8 of the embodiment of the present invention
Material synergy, compression strength >=39.1MPa of the seat concrete, split tensile strength >=5.1MPa and split drawing at compression strength
Intensity is high, makes base high mechanical strength, and anti-seismic performance is excellent.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (10)
1. a kind of transmission tower, it is characterised in that including tower body, cross-arm and base, the tower body is in cylindrical, in the tower body
The longitudinally disposed glass fibre lath in portion, the tower body outer surface are arranged circumferentially CFRP strip, and the cross-arm is arranged on tower body
End, support bar is set, and the support bar is respectively provided with reinforcing plate with cross-arm, tower body junction, described between the cross-arm and tower body
Base is arranged on tower body lower end, and the base is truncated cone-shaped, and square accommodating chamber, the tower body bottom extension are set in the base
To accommodating chamber middle and lower part, the tower body lower end sets hourglass-shaped cushion socket, the cushion socket upper surface with the accommodating cavity
End face, some first damping springs, the cushion socket are set between the cushion socket lower surface and the accommodating chamber bottom
One the second damping spring is respectively set between sloped sidewall and the accommodating chamber side wall.
2. transmission tower according to claim 1, it is characterised in that also set up on the CFRP strip of the tower body outer surface
Metal reinforced hoop.
3. transmission tower according to claim 2, it is characterised in that the metal reinforced hoop is steel strap, the steel band
Hoop is provided with least one fastening port, and the fastening port is bolted.
4. transmission tower according to claim 1, it is characterised in that the glass fibre lath is in latticed arrangement.
5. transmission tower according to claim 1, it is characterised in that the tower body and filled bitumen in base gap.
6. transmission tower according to claim 1, it is characterised in that the glass fibre lath thickness 2-5mm, width
20-50mm, spacing 20-100mm, the CFRP strip thickness 1-4mm, width 20-50mm, spacing 100-300mm.
7. transmission tower according to claim 1, it is characterised in that the base is formed by concreting.
8. transmission tower according to claim 7, it is characterised in that the concrete by following parts by weight raw material system
Into:Cement 70-100 parts, steel fibre 15-25 parts, boron nitride fiber 5-10 parts, sodium metasilicate 5-10 parts, one-level flyash 20-40
Part, haydite 10-15 parts, middle sand 50-75 parts, water 30-50 parts and high-efficiency water-reducing agent of poly-carboxylic acid 5-10 parts.
9. transmission tower according to claim 8, it is characterised in that described cement be PO42.5, PO42.5R or
PO52.5 class g cements.
10. transmission tower according to claim 8, it is characterised in that a diameter of 0.2~0.5 mm of described steel fibre,
Length is 20~30 mm, the N/mm of tensile strength >=10002。
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CN108703137A (en) * | 2018-05-28 | 2018-10-26 | 芜湖拓达电子科技有限公司 | A kind of transmission tower Fang Niao mechanisms |
CN111592296A (en) * | 2020-04-27 | 2020-08-28 | 浙江永达电力实业有限公司 | Preparation method of low-cost high-strength cement rod seat |
CN112160643A (en) * | 2020-09-24 | 2021-01-01 | 安吉鼎兴水泥制品有限公司 | Wire pole convenient to replace |
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