CN208484260U - A kind of FRP thin-walled electric pole - Google Patents
A kind of FRP thin-walled electric pole Download PDFInfo
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- CN208484260U CN208484260U CN201820701598.0U CN201820701598U CN208484260U CN 208484260 U CN208484260 U CN 208484260U CN 201820701598 U CN201820701598 U CN 201820701598U CN 208484260 U CN208484260 U CN 208484260U
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Abstract
The utility model discloses a kind of FRP thin-walled electric poles, the FRP thin-walled electric pole includes electric pole main body, the electric pole main body is integrally in gradually overstriking and the truncated cone-shaped of inner hollow or positive prismatic table shape from top to bottom, the wall thickness of the electric pole main body is gradually increased from top to bottom, the electric pole main body is formed by FRP material multi-lay winding, the top end socket of the electric pole main body is arranged, the FRP thin-walled electric pole is prepared by winding process, electric pole is designed to hollow thin-wall construction, wall thickness 2-15mm, 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 to corrode, long service life, meet the various requirement of electric power transmission.
Description
Technical field
The utility model relates to electric power transmission bar, telecommunication antenna mast, cable pole tower technology fields, and in particular to a kind of FRP
Thin-walled electric pole.
Background technique
Traditional electric pole or cable shaft tower generally uses rod, cement pole and truss-like steel tower.Wooden electric pole is using
Had more than 200 years, but be confined to limited resource, insufficient height and material it is not straight etc. due to, be unable to satisfy 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, and 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 increased the operating cost of power transmission system and communication system by the threat corroded.
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, be although intensity is very high, between fiber it is loose, pulling force can only be born, no
Bending, shearing and compression can be born, is also less prone to be made into fixed geometry, is soft body, if with synthetic resin it
Be bonded together, can be made the figurate hard products of various tools, 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 as glass, body, corrosion-resistant, electrical isolation, heat-insulated, as glass, therefore again
Claim " glass reinforced plastic ", the meaning of glass reinforced plastic just refers to that glass fibre makees reinforcing material, synthetic resin makees the reinforced plastics of binder, state
Outer title fiberglass reinforced plastics.With the development of glass reinforced plastic 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, enhancing modeling made of these tencels
Material has high-strength light, the performance characteristics such as corrosion-resistant, endurance quality is good, construction is convenient.
The utility model proposes a kind of FRP thin-walled electric poles, are made up using FRP material of winding shaping process, one
Structure and lighter in weight can pickaback arrive scene, therefore carrying route can take the air line without along highway detour, construction technology
Simply, it is not easy to corrode, long service life, intensity is high, and electric pole is designed to hollow thin-wall construction, and stress distribution is simple, internal stress
It is small, compared to thick-walled structure (15mm or more), the advantage of FRP material can be given full play to, can be made 12 meters even 15 meters of height and
It does not bend and rocks, meet the various requirement of power Transmission.
Utility model content
The purpose of this utility model is to provide a kind of FRP thin-walled electric poles, to solve existing electric pole or cable shaft tower
Weight is big, transport and installation are inconvenient, intolerant to the problem that burn into internal stress is big, intensity is not high, service life is short, economic cost is high.
To achieve the above object, the technical solution of the utility model are as follows: the FRP thin-walled electric pole includes electric pole main body, institute
State electric pole main body integrally and be in gradually overstriking and the truncated cone-shaped of inner hollow or positive prismatic table shape from top to bottom, the wall of the electric pole main body
Thickness is gradually increased from top to bottom, and the electric pole main body is formed by FRP material multi-lay winding, and the top end socket of the electric pole main body is set
It sets.
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 is by electric pole bottom part body by the way that FRP material is integrally Wrapping formed or the ring flange
Electric pole bottom part body is bonded in by resin adhesive liquid.
Preferably, multiple groups floor is provided on the ring flange, the floor is Nian Jie by resin adhesive liquid with electric pole main body.
Preferably, when the electric pole main body is integrally in 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 utility model has the advantages that
Integrated hollow structure is made by winding shaping process using FRP material in the FRP thin-walled electric pole of the utility model,
Have that high-intensitive, wind loading rating is strong, is not susceptible to the characteristics of bending rocks, is light, can be with manual handling, field can be crossed over straight line
Wild, mountain peak mountain valley, river, without can not only be transported with manpower along the winding arrangement of highway, can with manually installed,
The working security for improving engineering reduces project cost cost；It can be directly buried in the earth when installation, also can use method
Blue disk is connected to pedestal, easy construction；The excellent performances such as strong with resistance to corrosion, ageing-resistant time length, extend electric pole
Service life, rearranging, detect, debugging process for electric power (communication) route caused by reducing because of replacement electric pole, reduces
Maintenance cost in later period operation；Since electric pole generally bears biggish moment of flexure, stress is larger, and the electric pole wall of the utility model
The advantages that thick 2-15mm, is designed to thin-wall construction, has stress distribution uniform, reasonable stress, avoids internal stress；It has both preferable
Good insulating reduces the influence of eddy current loss and steel tower vortex to electric system, meets the items of power Transmission compared with steel tower
It is required that.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of FRP thin-walled electric pole of the utility model embodiment 1.
Fig. 2 is a kind of structural schematic diagram of FRP thin-walled electric pole ring flange of the utility model embodiment 1.
Fig. 3 is a kind of winding process schematic diagram of FRP thin-walled electric pole of the utility model embodiment 1.
Fig. 4 is a kind of structural schematic diagram of FRP thin-walled electric pole ribs of the utility model embodiment 2.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of FRP thin-walled electric pole proposed in the present embodiment includes electric pole main body 1, electric pole main body 1 is whole
In the gradually truncated cone-shaped or positive prismatic table shape of overstriking and inner hollow from top to bottom, electric pole main body 1 is whole when being 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 is gradually increased from top to bottom, and the wall thickness of the electric pole main body 1 of the present embodiment is 2-
15mm, be with 5mm or so it is best, electric pole main body 1 is formed by FRP material multi-lay winding, the setting of the top end socket of electric pole main body 1,
It can prevent sundries from entering hollow space.
It is high that the FRP thin-walled electric pole of the present embodiment can accomplish 12-15 meters, 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, needs 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 as FRP material it is integrally Wrapping formed or in advance made from ring flange 2 electric pole main body is bonded in by resin adhesive liquid
1 bottom, settable multiple groups floor 21 on ring flange 2, 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 fixes electric pole.
A kind of FRP thin-walled electric pole of the present embodiment is prepared by winding process, as shown in figure 3, any medium-sized
Or the achievable winding process of large-scale Wiring apparatus, core model can make of nonmetallic (plank or plastics), it can also be by mold
Factory makes steel mold, and there is certain designability, the rotary table 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 pole the following steps are included:
Resin adhesive liquid is prepared, includes resin matrix, curing agent, initiator, promotor 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, and typical case matches
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 is mixed, 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-intensitive 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-intensitive 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, guarantee resin in obtained FRP thin-walled electric pole
The weight percent of glue accounts for 15-50%, and the weight percent of high-intensitive continuous fiber 4 accounts for 50%-85%, preferably resin glue
Liquid accounts for 30%, and high-intensitive continuous fiber 4 accounts for 70%；
The high-intensitive 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 preparatory Tu
On the core model 8 of release agent, core model 8 is installed in rotation axis and constantly rotation under the drive of rotation axis, high-intensitive 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-intensitive 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, guarantees 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 pole from upper
The not uniform thickness structure being gradually increased under and, the wall thickness of obtained FRP thin-walled electric pole are 2-15mm；
Core model 8 after the completion of winding is placed in horizontal drying oven and is solidified, solidification temperature is 110 DEG C -170 DEG C, after solidification
Demoulding takes out core model 8 to get FRP thin-walled electric pole is arrived.
The manufacturing method of ring flange is: before the core model 8 after the completion of winding is solidified, control, which leads yarn arm or leads charka, to stop
In the bottom position of FRP thin-walled electric pole, core model 8 keeps rotation, is soaked with the high-intensitive 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 pole by resin adhesive liquid, the ring flange for finally connecting FRP thin-walled electric pole and bottom
Solidify together.
Embodiment 2
With reference to Fig. 1, a kind of FRP thin-walled electric pole proposed in the present embodiment includes electric pole main body 1, and electric pole main body 1 is whole to be in
Gradually overstriking and the truncated cone-shaped of inner hollow or positive prismatic table shape from top to bottom, electric pole main body 1 is whole when being 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 is gradually increased 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 be it is best, electric pole main body 1 is formed by FRP material multi-lay winding, and the setting of the top end socket 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.
It is high that the FRP thin-walled electric pole of the present embodiment can accomplish 12-15 meters, 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, needs 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 Fig. 2 on ring flange 2
Bottom as FRP material it is integrally Wrapping formed or in advance made from ring flange 21 bottom of electric pole main body is bonded in by resin adhesive liquid
Portion, settable multiple groups floor 21 on ring flange 2, 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, fixes electric pole.
A kind of FRP thin-walled electric pole of the present embodiment is prepared by winding process, with reference to Fig. 3, it is any medium-sized or
The achievable winding process of large-scale Wiring apparatus is reinforced due to being provided with ribs in the FRP thin-walled electric pole of the present embodiment
Rib and electric pole inner wall can be first preforming with hand molding, i.e., first fix ribs and as the skeleton for implementing winding, reinforcing
The inner wall of electric pole is made up of the high-intensitive continuous fiber cloth that hand pasting forming writhing number layer is soaked with resin adhesive liquid for rib outer surface, passes through
Hand pastes the preforming resulting type body comprising ribs and electric pole inner wall, the core model of winding is served as, without carrying out demoulding processing.
The manufacturing method of the FRP thin-walled electric pole the following steps are included:
Resin adhesive liquid is prepared, includes resin matrix, curing agent, initiator, promotor 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, and typical case matches
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 is mixed, 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-intensitive 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, guarantees the weight hundred of resin adhesive liquid in obtained FRP thin-walled electric pole
Divide than accounting for 15-50%, the weight percent of high-intensitive 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-intensitive 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-intensitive 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 to high-intensitive continuous fine
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, guarantees 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 pole from upper
The not uniform thickness structure being gradually increased under and, the wall thickness of obtained FRP thin-walled electric pole are 2-15mm；
Core model 8 after the completion of winding is placed in horizontal drying oven and is solidified, solidification temperature is 110 DEG C -170 DEG C, after solidification
Without demoulding to get to FRP thin-walled electric pole.
The manufacturing method of ring flange is: before core model after the completion of winding is solidified, control, which leads yarn arm or leads charka, to stop
In the bottom position of FRP thin-walled electric pole, core model keeps rotation, and the high-intensitive 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 pole by resin adhesive liquid, the ring flange one for finally connecting FRP thin-walled electric pole and bottom
With solidification.
Integrated hollow structure is made by winding shaping process using FRP material in the FRP thin-walled electric pole of the utility model,
Have that high-intensitive, wind loading rating is strong, is not susceptible to the characteristics of bending rocks, is light, can be with manual handling, improves applying for engineering
Work safety reduces project cost cost easy construction, has the excellent performances such as resistance to corrosion is strong, the ageing-resistant time is long,
The service life for extending electric pole reduces the maintenance cost in later period operation, is designed to thin-wall construction, has stress distribution equal
Even, reasonable stress, has both preferable good insulating at the advantages that avoiding internal stress, reduces eddy current loss and steel tower vortex to electricity
The influence of Force system meets the requirements of power Transmission.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (8)
1. a kind of FRP thin-walled electric pole, which is characterized in that the FRP thin-walled electric pole includes electric pole main body (1), the electric pole main body
(1) whole in gradually overstriking and the truncated cone-shaped of inner hollow or positive prismatic table shape from top to bottom, the wall thickness of the electric pole main body (1) from
It is gradually increased under above, the electric pole main body (1) is 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-walled 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-walled 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-walled electric pole according to claim 1, which is characterized in that the bottom end of the electric pole main body (1) is arranged
Have ring flange (2), is provided with multiple bolt mounting holes on the ring flange (2).
5. a kind of FRP thin-walled electric pole according to claim 4, which is characterized in that the ring flange (2) is by electric pole main body
(1) bottom is by the way that FRP material is integrally Wrapping formed or the ring flange (2) by resin adhesive liquid is bonded in electric pole main body (1)
Bottom.
6. a kind of FRP thin-walled electric pole according to claim 4, which is characterized in that be provided with multiple groups on the ring flange (2)
Floor (21), the floor (21) are Nian Jie by resin adhesive liquid with electric pole main body (1).
7. a kind of FRP thin-walled electric pole according to claim 1, which is characterized in that the electric pole main body (1) is integrally in 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-walled electric pole according to claim 1, which is characterized in that the wall thickness of the electric pole main body (1) is 2-
15mm。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820701598.0U CN208484260U (en) | 2018-05-11 | 2018-05-11 | A kind of FRP thin-walled electric pole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701598.0U CN208484260U (en) | 2018-05-11 | 2018-05-11 | A kind of FRP thin-walled electric pole |
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| CN208484260U true CN208484260U (en) | 2019-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407326A (en) * | 2018-05-11 | 2018-08-17 | 湖北中复能新型材料有限公司 | A kind of FRP thin-walleds electric pole and its manufacturing method |
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2018
- 2018-05-11 CN CN201820701598.0U patent/CN208484260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407326A (en) * | 2018-05-11 | 2018-08-17 | 湖北中复能新型材料有限公司 | A kind of FRP thin-walleds electric pole and its manufacturing method |
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