CN109159357B - Processing method of steel bar type composite material tower - Google Patents
Processing method of steel bar type composite material tower Download PDFInfo
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- CN109159357B CN109159357B CN201810795488.XA CN201810795488A CN109159357B CN 109159357 B CN109159357 B CN 109159357B CN 201810795488 A CN201810795488 A CN 201810795488A CN 109159357 B CN109159357 B CN 109159357B
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14631—Coating reinforcements
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
- B29L2009/005—Layered products coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/766—Poles, masts, posts
Abstract
The invention belongs to the technical field of electric power towers, and particularly relates to a method for processing a reinforced bar type composite material tower, which comprises the following steps: step one, the tubular structure of moulding plastics, step two, place the reinforcing bar and fix, step three, first parcel layer processing, step four, consolidate the processing of glue layer, step five, first oversheath layer processing, step six, the processing of second oversheath layer, the not enough of prior art has been overcome, the centre adopts main tributary stay tube and surrounds to constitute the core supporting mechanism at its surface at a plurality of vertical reinforcing bar, the reinforcing bar provides the required support capacity of shaft tower, main tributary stay tube auxiliary reinforcement plays anticorrosive rust-resistant and the support effect who consolidates the reinforcing bar, then set gradually first parcel layer at main tributary stay tube surface, consolidate the glue layer, first oversheath layer and the outer sheath layer of second, further strengthened the shaft tower anticorrosive, anti-oxidation ability, the life is prolonged.
Description
Technical Field
The invention belongs to the technical field of electric power towers, and particularly relates to a method for processing a reinforced bar type composite material tower.
Background
A power transmission line tower structure is a special supporting structural member in an electric overhead line facility, and the structural performance of the power transmission line tower structure directly influences the safety, the economy and the operation reliability of a line. With the development of power grids in China, power transmission line projects present the development trend of long distance, large scale and large scale. At present, the transmission line tower generally consists of steel and concrete. Particularly, the demand of a large number of steel structure towers for steel materials is increased year by year, a large number of mineral resources are consumed, and the pollution to the ecological environment is caused. Meanwhile, a large amount of steel is adopted as the material of the iron tower, and a great deal of difficulty is brought to the construction, transportation, operation and maintenance of the iron tower. Therefore, the novel environment-friendly composite material is used for replacing steel, and becomes a development trend of the power transmission industry.
The insulating property of the composite material is utilized, so that the pollution accident of the power transmission line is easily solved, the safe operation level of the line is improved, and the size of a tower head and the width of a corridor are reduced; the tower is portable, and the transportation and assembly cost of the tower is greatly reduced; the tower is corrosion resistant and has low possibility of being stolen, so that the maintenance cost of the line can be reduced; meanwhile, the color of the tower is adjustable, so that the environmental friendliness of the line is enhanced. The composite material is therefore one of the materials for constructing the structure of the transmission tower to a certain extent.
However, the existing composite material electric tower cannot meet the actual use requirement on the internal structure, and particularly the related mechanical properties cannot meet the use requirement, so that the popularization and application of the composite material electric tower are restricted, and the service life is short.
Disclosure of Invention
The invention aims to provide a method for processing a reinforced composite material tower, which overcomes the defects of the prior art, wherein a main supporting pipe and a plurality of vertical reinforcing steel bars surrounding the outer surface of the main supporting pipe are adopted in the middle to form a core supporting mechanism, the reinforcing steel bars provide supporting capability required by the tower, the main supporting pipe assists the reinforcing steel bars to play the roles of corrosion prevention, rust prevention and reinforcing of the reinforcing steel bars, and then a wrapping layer, a reinforcing glue layer, a first outer sheath layer and a second outer sheath layer are sequentially arranged on the outer surface of the main supporting pipe, so that the corrosion prevention and oxidation prevention capability of the tower is further enhanced, and the service life of the tower is prolonged.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a processing method of a reinforced composite material tower comprises the following steps:
weighing PVC SG5, an organic tin stabilizer, dioctyl phthalate, calcium stearate, polyethylene wax, microcrystalline wax, calcium carbonate, barium sulfate, paraffin, a processing modifier, an impact modifier and carbon black according to requirements, stirring and mixing the weighed raw materials, adding the mixture into an injection molding machine, and processing the mixture into a tubular structure with a plurality of vertical notches and conicity by using an injection mold;
secondly, placing the supporting steel bars into the vertical notches one by one, then filling the gaps with glue,
uniformly wrapping the check cloth on the tubular structure to form a wrapping layer;
uniformly coating the reinforcing glue outside the wrapping layer, and then placing the wrapping layer in an environment at 50-60 ℃ for drying for 30-60 min to form a reinforcing glue layer;
step five, weighing an adhesive, a curing agent, an accelerator, a filler, a flame retardant, a coloring agent, a coupling agent, a stress absorbent and an adhesion auxiliary agent according to requirements, stirring and mixing the weighed raw materials, adding the raw materials into an injection molding machine, and wrapping the mixed raw materials outside a reinforcing glue layer through the injection molding machine to form a first outer sheath layer, wherein the outside of the first outer sheath layer is a non-smooth surface;
sixthly, sprinkling a mouse repellent on the outer surface of the first outer sheath layer, and then wrapping the mixed raw materials outside the first outer sheath layer through an injection molding machine to form a second outer sheath layer
Further, the raw materials in the first step are prepared from the following raw materials in parts by weight: PVC SG 51000 parts, organic tin stabilizer 1-4 parts, dioctyl phthalate 20-30 parts, calcium stearate 5-8 parts, polyethylene wax 3-6 parts, microcrystalline wax 6-10 parts, calcium carbonate 100-120 parts, barium sulfate 10 parts, paraffin 8-10 parts, processing modifier 4-8 parts, impact modifier 15-20 parts and carbon black 0.5 part.
Further, in the fifth step and the sixth step, the first outer sheath layer and the second outer sheath layer are made of the following raw materials in parts by weight: 1000-2000 parts of adhesive, 1000-1500 parts of curing agent, 4-6 parts of accelerator, 4000 parts of filler, 20-60 parts of flame retardant, 7-15 parts of colorant, 4-5 parts of coupling agent, 11-15 parts of stress absorber and 1.8-3.9 parts of adhesion auxiliary agent.
Further, the adhesive is epoxy resin, the curing agent is phenolic resin, and the filler is calcium carbonate.
Further, the injection molding temperature of the injection molding machine in the fifth step is 170-200 ℃.
Further, the injection molding temperature of the injection molding machine in the sixth step is 160-180 ℃.
Compared with the prior art, the invention has the following beneficial effects:
according to the processing method of the reinforced composite material tower, the main supporting pipe and the plurality of vertical reinforcing steel bars surrounding the outer surface of the main supporting pipe are adopted in the middle to form a core supporting mechanism, the reinforcing steel bars provide supporting capacity required by the tower, the main supporting pipe assists the reinforcing steel bars to achieve the effects of corrosion prevention, rust prevention and reinforcing of the reinforcing steel bars, and then the wrapping layer, the reinforcing glue layer, the first outer sheath layer and the second outer sheath layer are sequentially arranged on the outer surface of the main supporting pipe, so that the corrosion prevention and oxidation prevention capacity of the tower is further enhanced, and the service life of the tower is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a steel bar type composite material tower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention relates to a processing method of a reinforced bar type composite material tower, which comprises the following steps:
weighing PVC SG5, an organic tin stabilizer, dioctyl phthalate, calcium stearate, polyethylene wax, microcrystalline wax, calcium carbonate, barium sulfate, paraffin, a processing modifier, an impact modifier and carbon black according to requirements, stirring and mixing the weighed raw materials, adding the mixture into an injection molding machine, and processing the mixture into a tubular structure with a plurality of vertical notches and conicity by using an injection mold;
secondly, placing the supporting steel bars into the vertical notches one by one, then filling the gaps with glue,
uniformly wrapping the check cloth on the tubular structure to form a wrapping layer;
uniformly coating the reinforcing glue outside the wrapping layer, and then placing the wrapping layer in an environment at 50-60 ℃ for drying for 30-60 min to form a reinforcing glue layer;
step five, weighing an adhesive, a curing agent, an accelerator, a filler, a flame retardant, a coloring agent, a coupling agent, a stress absorbent and an adhesion auxiliary agent according to requirements, stirring and mixing the weighed raw materials, adding the raw materials into an injection molding machine, and wrapping the mixed raw materials outside a reinforcing glue layer through an injection molding machine to form a first outer sheath layer, wherein the outside of the first outer sheath layer is a non-smooth surface, and the injection molding temperature of the injection molding machine is 170-200 ℃;
and sixthly, sprinkling a rodent repellent on the outer surface of the first outer sheath layer, and then wrapping the mixed raw materials outside the first outer sheath layer through an injection molding machine to form a second outer sheath layer, wherein the injection molding temperature of the injection molding machine is 160-180 ℃.
Example two
As shown in the figure, the reinforced composite material tower comprises a bottom with a larger outer diameter and a top with a smaller outer diameter, wherein the bottom and the top form a tapered tower, a tapered main supporting pipe 1 is arranged in the middle of the reinforced composite material tower, a plurality of vertical notches 2 are uniformly distributed on the outer surface of the main supporting pipe, supporting steel bars 3 are placed in the vertical notches, fixed glue is filled in the vertical notches, the outer surface of each vertical notch filled with the fixed glue and the outer surface of the main supporting pipe form a whole circle, a wrapping layer 4 formed by square cloth is wrapped outside the main supporting pipe, a reinforced glue layer 5 is uniformly coated outside the wrapping layer, and a first outer sheath layer 6 and a second outer sheath layer 7 are sequentially arranged outside the reinforced glue layer.
Preferably, the depth of the vertical notch is greater than the diameter of the support bar.
Preferably, the wall thickness of the main supporting pipe is 1.8-2 times of the depth of the vertical notch.
Preferably, a rodent repellent is filled between the first outer sheath layer and the second outer sheath layer.
Preferably, the first outer sheath layer and the second outer sheath layer are made of the same material, and the thickness of the first outer sheath layer is 2 times that of the second outer sheath layer.
EXAMPLE III
The main support pipe is made of the following raw materials in parts by weight: PVC SG 51000 parts, organic tin stabilizer 1-4 parts, dioctyl phthalate 20-30 parts, calcium stearate 5-8 parts, polyethylene wax 3-6 parts, microcrystalline wax 6-10 parts, calcium carbonate 100-120 parts, barium sulfate 10 parts, paraffin 8-10 parts, processing modifier 4-8 parts, impact modifier 15-20 parts and carbon black 0.5 part.
Example four
The first outer sheath layer and the second outer sheath layer are made of the following raw materials in parts by weight: 1000-2000 parts of adhesive, 1000-1500 parts of curing agent, 4-6 parts of accelerator, 4000 parts of filler, 20-60 parts of flame retardant, 7-15 parts of colorant, 4-5 parts of coupling agent, 11-15 parts of stress absorber and 1.8-3.9 parts of adhesion auxiliary agent.
The adhesive is epoxy resin, the curing agent is phenolic resin, and the filler is calcium carbonate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A processing method of a steel bar type composite material tower is characterized by comprising the following steps: the method comprises the following steps:
weighing PVC SG5, an organic tin stabilizer, dioctyl phthalate, calcium stearate, polyethylene wax, microcrystalline wax, calcium carbonate, barium sulfate, paraffin, a processing modifier, an impact modifier and carbon black according to requirements, stirring and mixing the weighed raw materials, adding the mixture into an injection molding machine, and processing the mixture into a tubular structure with a plurality of vertical notches and conicity by using an injection mold;
secondly, placing the supporting steel bars into the vertical notches one by one, then filling the gaps with glue,
uniformly wrapping the check cloth on the tubular structure to form a wrapping layer;
uniformly coating the reinforcing glue outside the wrapping layer, and then placing the wrapping layer in an environment at 50-60 ℃ for drying for 30-60 min to form a reinforcing glue layer;
step five, weighing an adhesive, a curing agent, an accelerator, a filler, a flame retardant, a coloring agent, a coupling agent, a stress absorbent and an adhesion auxiliary agent according to requirements, stirring and mixing the weighed raw materials, adding the raw materials into an injection molding machine, and wrapping the mixed raw materials outside a reinforcing glue layer through the injection molding machine to form a first outer sheath layer, wherein the outside of the first outer sheath layer is a non-smooth surface;
and sixthly, sprinkling a rodent repellent on the outer surface of the first outer sheath layer, and then wrapping the raw materials mixed in the step five outside the first outer sheath layer through an injection molding machine to form a second outer sheath layer.
2. The processing method of the reinforced composite material tower as claimed in claim 1, wherein the processing method comprises the following steps: the raw materials in the first step are prepared from the following raw materials in parts by weight: PVC SG 51000 parts, organic tin stabilizer 1-4 parts, dioctyl phthalate 20-30 parts, calcium stearate 5-8 parts, polyethylene wax 3-6 parts, microcrystalline wax 6-10 parts, calcium carbonate 100-120 parts, barium sulfate 10 parts, paraffin 8-10 parts, processing modifier 4-8 parts, impact modifier 15-20 parts and carbon black 0.5 part.
3. The processing method of the reinforced composite material tower as claimed in claim 1, wherein the processing method comprises the following steps: in the fifth step and the sixth step, the first outer sheath layer and the second outer sheath layer are made of the following raw materials in parts by weight: 1000-2000 parts of adhesive, 1000-1500 parts of curing agent, 4-6 parts of accelerator, 4000 parts of filler, 20-60 parts of flame retardant, 7-15 parts of colorant, 4-5 parts of coupling agent, 11-15 parts of stress absorber and 1.8-3.9 parts of adhesion auxiliary agent.
4. The processing method of the reinforced composite material tower as claimed in claim 3, wherein the processing method comprises the following steps: the adhesive is epoxy resin, the curing agent is phenolic resin, and the filler is calcium carbonate.
5. The processing method of the reinforced composite material tower as claimed in claim 1, wherein the processing method comprises the following steps: and the injection molding temperature of the injection molding machine in the fifth step is 170-200 ℃.
6. The processing method of the reinforced composite material tower as claimed in claim 1, wherein the processing method comprises the following steps: in the sixth step, the injection molding temperature of the injection molding machine is 160-180 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795488.XA CN109159357B (en) | 2018-07-19 | 2018-07-19 | Processing method of steel bar type composite material tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795488.XA CN109159357B (en) | 2018-07-19 | 2018-07-19 | Processing method of steel bar type composite material tower |
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| Publication Number | Publication Date |
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| CN109159357A CN109159357A (en) | 2019-01-08 |
| CN109159357B true CN109159357B (en) | 2020-09-01 |
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| CN201810795488.XA Active CN109159357B (en) | 2018-07-19 | 2018-07-19 | Processing method of steel bar type composite material tower |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961373Y (en) * | 2006-09-04 | 2007-10-17 | 蒋大建 | Composite reinforced hollow electric pole |
| CN102031890A (en) * | 2010-08-19 | 2011-04-27 | 常熟风范电力设备股份有限公司 | High-strength resin composite pole |
| GB2549984A (en) * | 2016-05-06 | 2017-11-08 | Ecopole As | Support poles |
| CN207298845U (en) * | 2017-10-11 | 2018-05-01 | 江苏贝尔照明电器有限公司 | A kind of lamp stand |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697959A (en) * | 1983-12-01 | 1987-10-06 | Utilitech, Incorporated | Method and apparatus for installing an in-ground support footing around an upstanding elongate object |
| WO2007137152A2 (en) * | 2006-05-19 | 2007-11-29 | Lancaster Composite, Inc. | Composite structure |
-
2018
- 2018-07-19 CN CN201810795488.XA patent/CN109159357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961373Y (en) * | 2006-09-04 | 2007-10-17 | 蒋大建 | Composite reinforced hollow electric pole |
| CN102031890A (en) * | 2010-08-19 | 2011-04-27 | 常熟风范电力设备股份有限公司 | High-strength resin composite pole |
| GB2549984A (en) * | 2016-05-06 | 2017-11-08 | Ecopole As | Support poles |
| CN207298845U (en) * | 2017-10-11 | 2018-05-01 | 江苏贝尔照明电器有限公司 | A kind of lamp stand |
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| Publication number | Publication date |
|---|---|
| CN109159357A (en) | 2019-01-08 |
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