CN108407326A - A kind of FRP thin-walleds electric pole and its manufacturing method - Google Patents
A kind of FRP thin-walleds electric pole and its manufacturing method Download PDFInfo
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- CN108407326A CN108407326A CN201810451197.9A CN201810451197A CN108407326A CN 108407326 A CN108407326 A CN 108407326A CN 201810451197 A CN201810451197 A CN 201810451197A CN 108407326 A CN108407326 A CN 108407326A
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- 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
-
- 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
- E04H12/2207—Sockets or holders for poles or posts not used
- E04H12/2215—Sockets or holders for poles or posts not used driven into the ground
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a kind of FRP thin-walleds electric pole and its manufacturing methods, the FRP thin-walleds electric pole includes electric pole main body, the electric pole main body is in integrally gradual overstriking from top to bottom and the truncated cone-shaped of inner hollow or positive prismatic table shape, the wall thickness of the electric pole main body gradually increases from top to bottom, the electric pole main body is formed by FRP material multi-lay winding, the top end socket setting of the electric pole main body, the FRP thin-walled electric poles are prepared by winding process, electric pole is designed to hollow thin-wall construction, 2 15mm of wall thickness, stress distribution is simple, internal stress is small, intensity is high, integral structure and lighter in weight, construction technology is simple, it is not easy corrosion, service life is long, meet the various requirement of electric power transmission.
Description
Technical field
The present invention relates to electric power transmission bar, telecommunication antenna mast, cable pole tower technology fields, and in particular to a kind of FRP thin-walleds
Electric pole and its manufacturing method.
Background technology
Traditional electric pole or cable shaft tower generally uses rod, cement pole and truss-like steel tower.Wooden electric pole is using
Through having more than 200 years, but be confined to limited resource, insufficient height and material it is not straight etc. due to, cannot be satisfied military and state
People's economy needs, later instead cement pole, actually prestressed, reinforced concrete rod, disadvantage is that weight
Greatly, it simultaneously as being unitary structure, need to be transported with full-sized car and with cranage and installation, therefore can only be along public affairs
Road, which is wriggled, to be arranged, is unable to straight line across field, river, mountain area, steel tower is made of heavier steel, belongs to detachable structure, can
To be manually transported to scene and be assembled into designed truss, thus tower line can be crossed over mountain after mountain with straight line, field without
It must be arranged along highway, rivers can also be crossed over along straight line, without by highway bridge, but steel tower also needs to unload from automobile
By manpower transport to the rehandling technique at scene after goods, construction safety, which lacks, to be ensured, on the other hand, iron structure is easy to become rusty
Erosion, service life are threatened by corrosion, and then increase the operating cost of power transmission system and communication system.
Fibre reinforced composites (FiberReinforcedPolymer, abbreviation FRP), the entitled glass fibre of tradition increase
Strong plastics are to make matrix material using glass fibre and its product (glass cloth, band, felt, yarn etc.) as reinforcing material with synthetic resin
A kind of composite material of material.Single glass fibre is loose although intensity is very high, between fiber, can only bear pulling force, no
Bending, shearing and compression can be born, is also less prone to make fixed geometry, is soft body, if with synthetic resin it
Be bonded together, the figurate hard products of various tools can be made, tensile stress can be born and bear bending,
Compression and shear stress, this just constitutes the plastic base composite material of glass fiber reinforcement, and intensity is equivalent to steel, and contains
Glass ingredient, it may have the performances such as color and luster as glass, body, corrosion-resistant, electrical isolation, heat-insulated, as glass, therefore again
Claim " fiberglass ", the meaning of fiberglass refers to just that glass fibre makees reinforcing material, synthetic resin makees the reinforced plastics of binder, state
Outer title fiberglass reinforced plastics.With the development of fiberglass cause, as the reinforcing material of plastics base, by glass fibers dimensional expansion
Carbon fiber, boron fibre, aramid fiber, alumina fibre and silicon carbide fibre etc. are arrived greatly, and enhancing made of these tencels is moulded
Material has high-strength light, the performance characteristics such as corrosion-resistant, endurance quality is good, construction is convenient.
The present invention proposes a kind of FRP thin-walleds electric pole and its manufacturing method, passes through winding shaping process system using FRP material
At, integral structure and lighter in weight can pickaback arrive scene, therefore carry circuit and can take the air line without along highway detour,
Construction technology is simple, is not easy corrosion, and service life is long, and intensity is high, and electric pole is designed to hollow thin-wall construction, stress distribution letter
List, internal stress are small, compared to thick-walled structure (15mm or more), can give full play to the advantage of FRP material, can make 12 meters even
15 meters of height are rocked without being bent, and meet the various requirement of power Transmission.
Invention content
The purpose of the present invention is to provide a kind of FRP thin-walleds electric pole and its manufacturing method, to solve existing electric pole or
Cable shaft tower weight is big, transport and installation are inconvenient, intolerant to burn into internal stress is big, intensity is not high, service life is short, economic cost
High problem.
To achieve the above object, the technical scheme is that：The FRP thin-walleds electric pole includes electric pole main body, the electricity
Bar main body is in integrally gradual overstriking from top to bottom and the truncated cone-shaped of inner hollow or positive prismatic table shape, and the wall thickness of the electric pole main body is certainly
Upper and lower gradual increase, the electric pole main body are formed by FRP material multi-lay winding, the top end socket setting of the electric pole main body.
Preferably, the electric pole body interior is provided at least one layer of ribs.
Preferably, the ribs is in cross, M shape or snowflake shape.
Preferably, the bottom end of the electric pole main body is provided with ring flange, and multiple bolt installations are provided on the ring flange
Hole.
Preferably, the ring flange by electric pole bottom part body by the way that FRP material is integrally Wrapping formed or the ring flange
It is bonded in electric pole bottom part body by resin adhesive liquid.
Preferably, multigroup floor is provided on the ring flange, the floor is be bonded by resin adhesive liquid with electric pole main body.
Preferably, when the electric pole main body is in integrally positive prismatic table shape, the cross sectional shape of the electric pole main body be regular pentagon,
Regular hexagon or octagon.
Preferably, the wall thickness of the electric pole main body is 2-15mm.
The invention also provides a kind of manufacturing methods of FRP thin-walleds electric pole, and FRP thin-walled electric poles are prepared by winding process,
The manufacturing method includes the following steps：
Resin adhesive liquid is prepared, includes curing agent in resin adhesive liquid, the resin adhesive liquid containing curing agent is stored in steeping vat
It is interior；
High intensity continuous fiber is first passed through into steeping vat and is saturated with resin adhesive liquid, is then got rid of through extrusion equipment is previously extruded
Excessive resin adhesive liquid ensures that the weight percent of resin adhesive liquid in obtained FRP thin-walled electric poles accounts for 15-50%, high intensity
The weight percent of continuous fiber accounts for 50%-85%；
The high intensity continuous fiber for being soaked with resin adhesive liquid is had by leading yarn arm or leading charka and draw and be wound to advance Tu
On the core model of releasing agent, core model is installed in rotation axis and constantly rotation under the drive of rotation axis, high intensity continuous fiber
It is in 45° angle between winding direction and core model axis, leads yarn arm or lead charka in the direction reciprocating motion for being parallel to rotation axis, realize
To bivector traction of the high intensity continuous fiber on winding direction and direction of advance；
Yarn arm is led by computer programming control or leads the charka speed of service appropriate, ensures that cloth yarn is uniform, while setting is led
Yarn arm leads charka and has the different speeds of service in each reciprocatory movement, realizes the wall thickness of FRP thin-walled electric poles from upper
And lower gradually increased not uniform thickness structure, the wall thickness of obtained FRP thin-walled electric poles is 2-15mm；
Core model after the completion of winding is positioned in horizontal drying oven and is cured, solidification temperature is 110 DEG C -170 DEG C, is taken off after solidification
Mould takes out core model to get to FRP thin-walled electric poles.
Preferably, the manufacturing method further includes：Before core model after the completion of winding is cured, control is led yarn arm or is led
Charka is parked in the bottom position of FRP thin-walled electric poles, and core model keeps rotation, and the high intensity continuous fiber for being soaked with resin adhesive liquid exists
The bottom multilayer fixed point of FRP thin-walled electric poles is wound to certain thickness and ring flange is made, or will be made additionally by winding process
Ring flange the bottoms of FRP thin-walled electric poles is bonded in by resin adhesive liquid, the method for finally connecting FRP thin-walleds electric pole and bottom
Blue disk cures together.
The invention has the advantages that：
Integrated hollow structure is made by winding shaping process using FRP material in the FRP thin-walled electric poles of the present invention, has
High intensity, wind loading rating are strong, are not susceptible to the characteristics of bending rocks, is light, can manually carry, can with straight line across field,
Mountain peak mountain valley, river can be with manually installed without along the winding arrangement of highway, can not only be transported with manpower, raising
The working security of engineering, reduces project cost cost；It can be directly buried in the earth when installation, ring flange can also be utilized
It is connected to pedestal, easy construction；The excellent performances such as strong with resistance to corrosion, ageing-resistant time length, extend the use of electric pole
Service life reduces rearranging, detect, debugging process for electric power (communication) circuit caused by replacing electric pole, reduces the later stage
Maintenance cost in operation；Since electric pole generally bears larger moment of flexure, stress is larger, and the electric pole wall thickness 2- of the present invention
15mm is designed to thin-wall construction, has stress distribution uniform, reasonable stress, the advantages that avoiding internal stress；Have both preferable insulation
Property it is good, compared with steel tower, reduce eddy current loss and steel tower be vortexed influence to electric system, the items for meeting power Transmission are wanted
It asks.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of FRP thin-walleds electric pole of the embodiment of the present invention 1.
Fig. 2 is a kind of structural schematic diagram of FRP thin-walleds electric pole ring flange of the embodiment of the present invention 1.
Fig. 3 is a kind of winding process schematic diagram of FRP thin-walleds electric pole of the embodiment of the present invention 1.
Fig. 4 is a kind of structural schematic diagram of FRP thin-walleds electric pole ribs of the embodiment of the present invention 2.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
As shown in Figure 1, a kind of FRP thin-walleds electric pole proposed in the present embodiment includes electric pole main body 1, electric pole main body 1 is whole
In the truncated cone-shaped or positive prismatic table shape of gradual overstriking from top to bottom and inner hollow, when 1 entirety of electric pole main body is in positive prismatic table shape, electric pole
The cross sectional shape of main body 1 can be regular pentagon, regular hexagon, octagon or other regular polygons, electric pole master in the present embodiment
Body 1 is truncated cone-shaped, and the wall thickness of electric pole main body 1 gradually increases from top to bottom, and the wall thickness of the electric pole main body 1 of the present embodiment is 2-
15mm is best with 5mm or so, and electric pole main body 1 is formed by FRP material multi-lay winding, the top end socket setting of electric pole main body 1,
It can prevent sundries from entering hollow space.
The FRP thin-walleds electric pole of the present embodiment can accomplish it is 12-15 meters high, to facilitate installation, electric pole main body 1 can be direct
It is buried in the earth, wherein 15 meters of electric pole main bodys, need 2.5 meters of buried depth, 12 meters of electric pole main bodys, 1.5 meters of buried depth；It can also be in electric pole master
Ring flange 2 is arranged in the bottom end of body 1, as shown in Fig. 2, being provided with multiple bolt mounting holes on ring flange 2, ring flange 2 is by electric pole master
1 bottom of body is integrally Wrapping formed or ring flange 2 obtained is bonded in electric pole main body by resin adhesive liquid in advance by FRP material
Multigroup floor 21 can be arranged on ring flange 2 in 1 bottom, and floor 21 can be bonded by resin adhesive liquid with electric pole main body 1, passes through flange
Disk is fixedly connected with concrete bed makes electric pole fix.
A kind of FRP thin-walleds electric pole of the present embodiment is prepared by winding process, as shown in figure 3, any type is medium-sized
Or large-scale Wiring apparatus can be completely wound technique, core model can make of nonmetallic (plank or plastics), can also be by mold
Factory makes steel mold, and there is certain designability, the round platform of electric pole main body or positive terrace with edge form and its taper to be determined by core model 8
It is fixed.
The manufacturing method of the FRP thin-walled electric poles includes the following steps：
Resin adhesive liquid is prepared, includes resin matrix, curing agent, initiator, accelerating agent etc. in resin adhesive liquid, further includes anti-purple
Outside line age-inhibiting addition, each component ratio can be prepared according to raw material specification, for example resin matrix uses polyester, typical case to match
Side is (weight ratio)：Polyester matrix 95.5-98.5%, curing agent 1-3%, additive 0.5-1.5%；It, can using epoxy resin
Curing agent component is calculated according to epoxide equivalent；Using polyurethane, the polyurethane component that two kinds of different polymerization degrees may be selected mixes, and two
Curing agent that can be another each other is planted, the resin adhesive liquid containing curing agent is stored in steeping vat；
High intensity continuous fiber 4 in the present embodiment is using plateau modulus glass fibre, such as basalt fibre or carbon
Fiber, its usual fiber Young's modulus is 50-220GPa, and high intensity continuous fiber 4 is first passed through steeping vat 5 and is saturated with resin glue
Then liquid gets rid of excessive resin adhesive liquid through extrusion equipment 6 is previously extruded, ensure resin in obtained FRP thin-walled electric poles
The weight percent of glue accounts for 15-50%, and the weight percent of high intensity continuous fiber 4 accounts for 50%-85%, preferably resin glue
Liquid accounts for 30%, and high intensity continuous fiber 4 accounts for 70%；
The high intensity continuous fiber 4 for being soaked with resin adhesive liquid is had by leading yarn arm or leading charka and draw and be wound to advance Tu
On the core model 8 of releasing agent, core model 8 is installed in rotation axis and constantly rotation under the drive of rotation axis, high intensity continuous fiber 4
8 axis of winding direction and core model between be in 45° angle, lead yarn arm or lead charka be parallel to rotation axis direction move back and forth,
Realize the bivector traction to high intensity continuous fiber 4 on winding direction and direction of advance, leading charka 7 can be by guide rail flat
Row is moved back and forth in the direction of rotation axis；
Yarn arm is led by computer programming control or leads the charka speed of service appropriate, ensures that cloth yarn is uniform, while setting is led
Yarn arm leads charka and has the different speeds of service in each reciprocatory movement, realizes the wall thickness of FRP thin-walled electric poles from upper
And lower gradually increased not uniform thickness structure, the wall thickness of obtained FRP thin-walled electric poles is 2-15mm；
Core model 8 after the completion of winding is positioned in horizontal drying oven and is cured, solidification temperature is 110 DEG C -170 DEG C, after solidification
Demoulding takes out core model 8 to get to FRP thin-walled electric poles.
The manufacturing method of ring flange is：Before core model 8 after the completion of winding is cured, control, which leads yarn arm or leads charka, to stop
In the bottom position of FRP thin-walled electric poles, core model 8 keeps rotation, is soaked with the high intensity continuous fiber 4 of resin adhesive liquid in FRP
The bottom multilayer fixed point of thin-walled electric pole is wound to certain thickness and ring flange is made, or will be additionally by method made of winding process
Blue disk is bonded in the bottom of FRP thin-walled electric poles by resin adhesive liquid, the ring flange for finally connecting FRP thin-walleds electric pole and bottom
Cure together.
Embodiment 2
With reference to figure 1, a kind of FRP thin-walleds electric pole proposed in the present embodiment includes electric pole main body 1, and electric pole main body 1 is whole to be in
Gradual overstriking from top to bottom and the truncated cone-shaped of inner hollow or positive prismatic table shape, when 1 entirety of electric pole main body is in positive prismatic table shape, electric pole master
The cross sectional shape of body 1 can be regular pentagon, regular hexagon, octagon or other regular polygons, electric pole main body 1 in the present embodiment
Wall thickness for truncated cone-shaped, electric pole main body 1 gradually increases from top to bottom, and the wall thickness of the electric pole main body 1 of the present embodiment is 2-15mm, with
5mm or so is best, and electric pole main body 1 is formed by FRP material multi-lay winding, and the top end socket setting of electric pole main body 1 can prevent miscellaneous
Object enters hollow space.As shown in figure 4, electric pole main body 1 is internally provided at least one layer of ribs 3, ribs 3 can be in cross
Shape, M shape or snowflake shape, ribs 3 is cross in the present embodiment.
The FRP thin-walleds electric pole of the present embodiment can accomplish it is 12-15 meters high, to facilitate installation, electric pole main body 1 can be direct
It is buried in the earth, wherein 15 meters of electric pole main bodys, need 2.5 meters of buried depth, 12 meters of electric pole main bodys, 1.5 meters of buried depth；It can also be in electric pole master
The bottom end setting ring flange 2 of body 1 is provided with multiple bolt mounting holes, ring flange 2 is by electric pole main body 1 with reference to figure 2 on ring flange 2
Bottom is integrally Wrapping formed or ring flange 2 obtained is bonded in 1 bottom of electric pole main body by resin adhesive liquid in advance by FRP material
Multigroup floor 21 can be arranged on ring flange 2 in portion, and floor 21 can be bonded by resin adhesive liquid with electric pole main body 1, by ring flange with
Concrete bed, which is fixedly connected, makes electric pole fix.
A kind of FRP thin-walleds electric pole of the present embodiment is prepared by winding process, with reference to figure 3, any type it is medium-sized or
Large-scale Wiring apparatus can be completely wound technique, due to being provided with ribs in the FRP thin-walled electric poles of the present embodiment, reinforce
Rib and electric pole inner wall first can use hand molding preforming, i.e., first fix ribs and as the skeleton for implementing winding, reinforcing
The inner wall of electric pole is made in the high intensity continuous fiber cloth that rib outer surface is soaked with resin adhesive liquid by hand pasting forming writhing number layer, passes through
Hand pastes the type body for including ribs and electric pole inner wall of preforming gained, the core model of winding is served as, without carrying out demoulding processing.
The manufacturing method of the FRP thin-walled electric poles includes the following steps：
Resin adhesive liquid is prepared, includes resin matrix, curing agent, initiator, accelerating agent etc. in resin adhesive liquid, further includes anti-purple
Outside line age-inhibiting addition, each component ratio can be prepared according to raw material specification, for example resin matrix uses polyester, typical case to match
Side is (weight ratio)：Polyester matrix 95.5-98.5%, curing agent 1-3%, additive 0.5-1.5%；It, can using epoxy resin
Curing agent component is calculated according to epoxide equivalent；Using polyurethane, the polyurethane component that two kinds of different polymerization degrees may be selected mixes, and two
Curing agent that can be another each other is planted, the resin adhesive liquid containing curing agent is stored in steeping vat；
FRP material in the present embodiment is using plateau modulus glass fibre, such as basalt fibre or carbon fiber, usually
Its fiber Young's modulus is 50-220GPa, and high intensity continuous fiber 4 is first passed through steeping vat 5 and is saturated with resin adhesive liquid, then through squeezing
Equipment 6 is previously extruded gets rid of excessive resin adhesive liquid for pressure, ensures the weight hundred of resin adhesive liquid in obtained FRP thin-walled electric poles
Divide than accounting for 15-50%, the weight percent of high intensity continuous fiber 4 accounts for 50%-85%, and preferably resin adhesive liquid accounts for 30%, height
Intensity continuous fiber 4 accounts for 70%；
The high intensity continuous fiber 4 for being soaked with resin adhesive liquid is drawn and is wound on core model 8 by leading yarn arm or leading charka,
Core model 8 is installed in rotation axis and constantly rotation under the drive of rotation axis, the winding direction and core model of high intensity continuous fiber 4
It is in 45° angle between axis, leads yarn arm or lead charka in the direction reciprocating motion for being parallel to rotation axis, realize continuously fine to high intensity
Bivector traction of the dimension 4 on winding direction and direction of advance, leading charka 7 can be past in the direction for being parallel to rotation axis by guide rail
Multiple movement；
Yarn arm is led by computer programming control or leads the charka speed of service appropriate, ensures that cloth yarn is uniform, while setting is led
Yarn arm leads charka and has the different speeds of service in each reciprocatory movement, realizes the wall thickness of FRP thin-walled electric poles from upper
And lower gradually increased not uniform thickness structure, the wall thickness of obtained FRP thin-walled electric poles is 2-15mm；
Core model 8 after the completion of winding is positioned in horizontal drying oven and is cured, solidification temperature is 110 DEG C -170 DEG C, after solidification
Without demoulding to get to FRP thin-walled electric poles.
The manufacturing method of ring flange is：Before core model after the completion of winding is cured, control, which leads yarn arm or leads charka, to stop
In the bottom position of FRP thin-walled electric poles, core model keeps rotation, and the high intensity continuous fiber 4 for being soaked with resin adhesive liquid is thin in FRP
The bottom multilayer fixed point of wall electric pole is wound to certain thickness and ring flange is made, or will be additionally by flange made of winding process
Disk is bonded in the bottom of FRP thin-walled electric poles by resin adhesive liquid, the ring flange one for finally connecting FRP thin-walleds electric pole and bottom
With solidification.
Integrated hollow structure is made by winding shaping process using FRP material in the FRP thin-walled electric poles of the present invention, has
High intensity, wind loading rating are strong, are not susceptible to the characteristics of bending rocks, is light, can manually carry, and improve the construction peace of engineering
Quan Xing reduces project cost cost easy construction, and the excellent performances such as strong with resistance to corrosion, ageing-resistant time length extend
The service life of electric pole reduces the maintenance cost in later stage operation, is designed to thin-wall construction, has stress distribution uniform,
Reasonable stress, has both preferable good insulating at the advantages that avoiding internal stress, reduces eddy current loss and steel tower vortex to power train
The influence of system meets the requirements of power Transmission.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (10)
1. a kind of FRP thin-walleds electric pole, which is characterized in that the FRP thin-walleds electric pole includes electric pole main body (1), the electric pole main body
(1) whole is in gradual overstriking from top to bottom and the truncated cone-shaped of inner hollow or positive prismatic table shape, and the wall thickness of the electric pole main body (1) is certainly
Upper and lower gradual increase, the electric pole main body (1) are formed by FRP material multi-lay winding, the top end socket of the electric pole main body (1)
Setting.
2. a kind of FRP thin-walleds electric pole according to claim 1, which is characterized in that the electric pole main body (1) is internally provided with
At least one layer of ribs (3).
3. a kind of FRP thin-walleds electric pole according to claim 2, which is characterized in that the ribs (3) is in cross, rice
Font or snowflake shape.
4. a kind of FRP thin-walleds electric pole according to claim 1, which is characterized in that the bottom end of the electric pole main body (1) is arranged
There is ring flange (2), multiple bolt mounting holes are provided on the ring flange (2).
5. a kind of FRP thin-walleds electric pole according to claim 4, which is characterized in that the ring flange (2) is by electric pole main body
(1) bottom is integrally Wrapping formed or the ring flange (2) is bonded in electric pole main body (1) by resin adhesive liquid by FRP material
Bottom.
6. a kind of FRP thin-walleds electric pole according to claim 4, which is characterized in that be provided on the ring flange (2) multigroup
Floor (21), the floor (21) and electric pole main body (1) are be bonded by resin adhesive liquid.
7. a kind of FRP thin-walleds electric pole according to claim 1, which is characterized in that the electric pole main body (1) is in integrally positive rib
When platform shape, the cross sectional shape of the electric pole main body (1) is regular pentagon, regular hexagon or octagon.
8. a kind of FRP thin-walleds electric pole according to claim 1, which is characterized in that the wall thickness of the electric pole main body (1) is 2-
15mm。
9. according to a kind of manufacturing method of FRP thin-walleds electric pole according to any one of claims 1-8, which is characterized in that by twining
Winding technologe prepares FRP thin-walled electric poles, and the manufacturing method includes the following steps：
Resin adhesive liquid is prepared, includes curing agent in resin adhesive liquid, the resin adhesive liquid containing curing agent is stored in steeping vat；
High intensity continuous fiber is first passed through into steeping vat and is saturated with resin adhesive liquid, then gets rid of excess through extrusion equipment is previously extruded
Resin adhesive liquid, ensure that the weight percent of resin adhesive liquid in obtained FRP thin-walled electric poles accounts for 15-50%, high intensity is continuous
The weight percent of fiber accounts for 50%-85%；
The high intensity continuous fiber for being soaked with resin adhesive liquid there is into demoulding by leading yarn arm or leading charka and draw and be wound to advance Tu
On the core model of agent, core model is installed in rotation axis and constantly rotation under the drive of rotation axis, the winding of high intensity continuous fiber
It is in 45° angle between direction and core model axis, leads yarn arm or lead charka in the direction reciprocating motion for being parallel to rotation axis, realize to height
Bivector traction of the intensity continuous fiber on winding direction and direction of advance；
Yarn arm is led by computer programming control or leads the charka speed of service appropriate, ensures that cloth yarn is uniform, while yarn arm is led in setting
Or charka is led in each reciprocatory movement with the different speeds of service, realize the wall thickness of FRP thin-walled electric poles from top to bottom
The wall thickness of gradual increased not uniform thickness structure, obtained FRP thin-walled electric poles is 2-15mm；
Core model after the completion of winding is positioned in horizontal drying oven and is cured, solidification temperature is 110 DEG C -170 DEG C, and curing and demolding takes
Go out core model to get to FRP thin-walled electric poles.
10. a kind of manufacturing method of FRP thin-walleds electric pole according to claim 9, which is characterized in that the manufacturing method is also
Including：Before core model after the completion of winding is cured, control leads yarn arm or leads the bottom position that charka is parked in FRP thin-walled electric poles
It sets, core model keeps rotation, and the high intensity continuous fiber for being soaked with resin adhesive liquid is twined in the bottom multilayer fixed point of FRP thin-walled electric poles
Ring flange is made around to certain thickness, or will be bonded in by resin adhesive liquid additionally by ring flange made of winding process
The bottom of FRP thin-walled electric poles finally cures the ring flange that FRP thin-walleds electric pole and bottom connect together.
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| CN201810451197.9A CN108407326A (en) | 2018-05-11 | 2018-05-11 | A kind of FRP thin-walleds electric pole and its manufacturing method |
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| CN201810451197.9A CN108407326A (en) | 2018-05-11 | 2018-05-11 | A kind of FRP thin-walleds electric pole and its manufacturing method |
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