CN110744699A - Novel electric pole manufacturing method - Google Patents
Novel electric pole manufacturing method Download PDFInfo
- Publication number
- CN110744699A CN110744699A CN201910996984.6A CN201910996984A CN110744699A CN 110744699 A CN110744699 A CN 110744699A CN 201910996984 A CN201910996984 A CN 201910996984A CN 110744699 A CN110744699 A CN 110744699A
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- steel
- electric pole
- temperature
- cage
- manufacturing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/30—Centrifugal moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/68—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts and applying centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/92—Methods or apparatus for treating or reshaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a novel electric pole manufacturing method, which comprises the following steps: binding the steel cage of the electric pole, selecting proper steel bars, and binding the steel cage by using spiral steel bars and steel wires; placing the bound steel cage into an electric pole mould, and then pouring the stirred concrete into the mould; sealing the steel die, and placing the steel die on a centrifuge for centrifugal rotation; placing the steel die after centrifugation into a curing pool for curing; and taking out the steel die, demolding, and stacking after the quality of the electric pole is qualified to finish the manufacturing. In the invention, detailed process parameter introduction and numerical value limitation ranges are provided from the steel cage to the concrete to maintenance and quality inspection, the standard can be met when the electric pole is manufactured, and the overall quality of the electric pole produced by small enterprises is favorably and quickly improved, so that the overall level of the electric pole market is improved.
Description
Technical Field
The invention belongs to the technical field of electric pole preparation, and particularly relates to a novel electric pole manufacturing method.
Background
The pole is the bridge of electricity, lets the electricity transport each place, and we common pole have wooden system pole, has the cement pole, and their height differs, stands upright in the plain mountain, spreads all over around people. The general category of poles is many, as is common: the concrete pole is made of concrete and steel bars or steel wires; iron rod: the concrete pole has two types of prestress and non-prestress; and wood poles still used in some areas.
The economical efficiency and the using effect are considered, the application degree of the concrete electric pole is continuously increased to become the widest electric pole, meanwhile, the preparation technology of the concrete electric pole is simple, the equipment requirement is not high, a large number of enterprises carry out production and manufacture, and the standard standards which can be used for the production are not enough (mostly taking national standards as standards) among different enterprises due to the difference of the process levels, so that the quality levels of the produced concrete electric poles are different, and therefore the novel electric pole manufacturing method is provided.
Disclosure of Invention
The invention aims to: in order to solve the problems of large process difference and different product quality between the existing concrete pole size production enterprises, a novel pole manufacturing method is provided.
The technical scheme adopted by the invention is as follows:
a novel electric pole manufacturing method comprises the following steps:
step 1: binding the steel cage of the electric pole, selecting proper steel bars, and binding the steel cage by using spiral steel bars and steel wires;
step 2: placing the bound steel cage into an electric pole mould, and then pouring the stirred concrete into the mould;
and step 3: sealing the steel die, and placing the steel die on a centrifuge for centrifugal rotation;
and 4, step 4: placing the steel die after centrifugation into a curing pool for curing;
and 5: and taking out the steel die, demolding, and stacking after the quality of the electric pole is qualified to finish the manufacturing.
The diameter of the tapered rod with the tip diameter smaller than 190mm is not smaller than 3mm, or the diameter of the tapered rod with the tip diameter or the diameter of the equal-diameter rod is larger than 190mm, the steel cage is specifically selected according to a drawing, and the number of the steel bars of the steel cage meets the standard and the requirement of GB/T4623.
Before the steel cage is manufactured, a steel bar straightening and cutting machine is used for straightening and processing the steel bar, the steel bar is cut off according to the total length of 1.5/1000, each steel bar of the steel cage is subjected to cold drawing strengthening after the steel bar is cut, the total cold drawing elongation is 4% -10%, and the total cold drawing elongation of the rusted steel bar is 1% -4%.
After the steel cage is placed into a steel die, the positions of the main ribs, the spiral ribs and the erection ring of the steel cage are checked and corrected, the concrete can be poured into the steel cage after the steel cage is qualified, and the poured concrete is continuous and is not required to be interrupted.
When the concrete is stirred in summer, the temperature of cement is not higher than 55 ℃, the temperature of sand and stone is not higher than 36 ℃, and when the temperature is lower than 5 ℃ in winter, hot water with the temperature of 35-60 ℃ is used for stirring, and the sand and stone cannot contain ice blocks and caking blocks.
Wherein the steel die is subjected to static temperature maintenance at the temperature of 20-30 ℃, and is subjected to temperature rise maintenance at the temperature of 85-92 ℃ for every 30 min.
And 5, after the demoulding quality inspection is qualified, stacking maintenance is carried out, the soft cushion layer is placed at a designated position, a soft cushion layer is placed between an upper layer and a lower layer during stacking, when the stacking maintenance temperature is 10 ℃, the electric pole is required to be watered, moisturized and maintained or maintained in a water pool, quality inspection is carried out again after stacking maintenance is finished, manufacturing is finished after quality inspection is qualified, and warehousing or selling can be carried out.
And when the demolding quality of the electric pole is detected, the strength of the electric pole is controlled to be 60% -70% of the design strength.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, detailed process parameter introduction and numerical value limitation ranges are provided from the steel cage to the concrete to maintenance and quality inspection, the standard can be met when the electric pole is manufactured, and the overall quality of the electric pole produced by small enterprises is favorably and quickly improved, so that the overall level of the electric pole market is improved.
2. The manufacturing method of the electric pole is simple, the requirements on materials and equipment are not high, the quality of the electric pole is improved, the problem that quality improvement and direct selection of equipment with high purchase price are difficult for small enterprises is solved, and the limitation on equipment capital investment of the enterprises is small.
3. According to the invention, the method is used for manufacturing the electric pole, so that the cost is saved, the overall quality of the electric pole is better controlled and improved, and the method is suitable for production and use of large, medium and small enterprises.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment I is a novel electric pole manufacturing method, which comprises the following steps:
step 1: binding the steel cage of the electric pole, selecting proper steel bars, and binding the steel bars into the steel cage by using steel wires;
step 2: placing the bound steel cage into an electric pole mould, and then pouring the stirred concrete into the mould;
and step 3: sealing the steel die, and placing the steel die on a centrifuge for centrifugal rotation;
and 4, step 4: placing the steel die after centrifugation into a curing pool for curing;
and 5: and taking out the steel die, demolding, and stacking after the quality of the electric pole is qualified to finish the manufacturing.
The tip diameter of the steel bar is not less than 3mm when the conical rod with the tip diameter smaller than 190mm or the diameter of the equal-diameter rod is larger than 190mm, the steel bar is specifically selected according to a drawing, and the number of the steel bars of the steel cage meets the standard and the requirement of GB/T4623.
Before the steel cage is manufactured, a steel bar straightening cutting machine is used for straightening steel bars, the steel bars are cut off according to the total length of 1.5/1000, each steel bar of the steel cage is subjected to cold drawing strengthening after the steel bars are sheared, the total cold drawing elongation is 4% -10%, and the total cold drawing elongation of the rusted steel bars is 1% -4%.
When the concrete is stirred in summer, the temperature of cement is not higher than 55 ℃, the temperature of sand and stone is not higher than 36 ℃, and when the temperature is lower than 5 ℃ in winter, hot water with the temperature of 35-60 ℃ is used for stirring, and the sand and stone cannot contain ice blocks and caking blocks.
After the steel cage is placed into the steel die, the positions of the main ribs, the spiral ribs and the erection ring of the steel cage are checked and corrected, concrete can be poured into the steel cage after the steel cage is qualified, and the poured concrete is continuous and is not required to be interrupted.
The steel die is maintained at a static temperature of 20-30 ℃ and maintained at a temperature of 85-92 ℃ when being heated, and the temperature is tested once every 30 min.
When the demolding quality of the electric pole is detected, the strength of the electric pole is controlled to be 60% -70% of the designed strength.
In a second embodiment, a novel electric pole manufacturing method includes the following steps:
step 1: binding the steel cage of the electric pole, selecting proper steel bars, and binding the steel bars into the steel cage by using steel wires;
step 2: placing the bound steel cage into an electric pole mould, and then pouring the stirred concrete into the mould;
and step 3: sealing the steel die, and placing the steel die on a centrifuge for centrifugal rotation;
and 4, step 4: placing the steel die after centrifugation into a curing pool for curing;
and 5: and taking out the steel die, demolding, and stacking after the quality of the electric pole is qualified to finish the manufacturing.
The tip diameter of the steel bar is not less than 3mm when the conical rod with the tip diameter smaller than 190mm or the diameter of the equal-diameter rod is larger than 190mm, the steel bar is specifically selected according to a drawing, and the number of the steel bars of the steel cage meets the standard and the requirement of GB/T4623.
Before the steel cage is manufactured, a steel bar straightening cutting machine is used for straightening steel bars, the steel bars are cut off according to the total length of 1.5/1000, each steel bar of the steel cage is subjected to cold drawing strengthening after the steel bars are sheared, the total cold drawing elongation is 4% -10%, and the total cold drawing elongation of the rusted steel bars is 1% -4%.
When the concrete is stirred in summer, the temperature of cement is not higher than 55 ℃, the temperature of sand and stone is not higher than 36 ℃, and when the temperature is lower than 5 ℃ in winter, hot water with the temperature of 35-60 ℃ is used for stirring, and the sand and stone cannot contain ice blocks and caking blocks.
After the steel cage is placed into the steel die, the positions of the main ribs, the spiral ribs and the erection ring of the steel cage are checked and corrected, concrete can be poured into the steel cage after the steel cage is qualified, and the poured concrete is continuous and is not required to be interrupted.
The steel die is maintained at a static temperature of 20-30 ℃ and maintained at a temperature of 85-92 ℃ when being heated, and the temperature is tested once every 30 min.
When the demolding quality of the electric pole is detected, the strength of the electric pole is controlled to be 60% -70% of the designed strength.
And 5, after the demoulding quality inspection is qualified, stacking and maintaining are carried out, the soft cushion layer is placed at a designated position, a soft cushion layer is placed between an upper layer and a lower layer during stacking, when the stacking and maintaining temperature is 10 ℃, the electric pole is required to be watered, moisturized and maintained or maintained in a water pool, quality inspection is carried out again after stacking and maintaining are finished, and the electric pole is manufactured and put in storage or sold after quality inspection is qualified.
In a third embodiment, a novel electric pole manufacturing method includes the following steps:
step 1: binding the steel cage of the electric pole, selecting proper steel bars, and binding the steel bars into the steel cage by using steel wires;
step 2: placing the bound steel cage into an electric pole mould, and then pouring the stirred concrete into the mould;
and step 3: sealing the steel die, and placing the steel die on a centrifuge for centrifugal rotation;
and 4, step 4: placing the steel die after centrifugation into a curing pool for curing;
and 5: and taking out the steel die, demolding, and stacking after the quality of the electric pole is qualified to finish the manufacturing.
The tip diameter of the steel bar is not less than 3mm when the conical rod with the tip diameter smaller than 190mm or the diameter of the equal-diameter rod is larger than 190mm, the steel bar is specifically selected according to a drawing, and the number of the steel bars of the steel cage meets the standard and the requirement of GB/T4623.
Before the steel cage is manufactured, a steel bar straightening cutting machine is used for straightening steel bars, the steel bars are cut off according to the total length of 1.5/1000, each steel bar of the steel cage is subjected to cold drawing strengthening after the steel bars are sheared, the total cold drawing elongation is 4% -10%, and the total cold drawing elongation of the rusted steel bars is 1% -4%.
The manufactured electric pole is a prestressed electric pole, when the steel cage is subjected to prestressed tensioning, the steel cage is placed into a steel die, tensioning discs, flange plates and a hanging rib plate are fixed at two ends of the steel die, during tensioning, the center of a tensioning machine head is aligned with the axis of the steel die for tensioning, the tensioning force meets the requirement of GB50010, the deviation of the tensioning value and the design tensioning value is controlled to be 1% -4%, after the tensioning is finished, the inclination of the tensioning discs, the hanging rib plates and the flange plates cannot exceed 2mm, and the steel bar cannot be broken.
When the concrete is stirred in summer, the temperature of cement is not higher than 55 ℃, the temperature of sand and stone is not higher than 36 ℃, and when the temperature is lower than 5 ℃ in winter, hot water with the temperature of 35-60 ℃ is used for stirring, and the sand and stone cannot contain ice blocks and caking blocks.
After the steel cage is placed into the steel die, the positions of the main ribs, the spiral ribs and the erection ring of the steel cage are checked and corrected, concrete can be poured into the steel cage after the steel cage is qualified, and the poured concrete is continuous and is not required to be interrupted.
The steel die is maintained at a static temperature of 20-30 ℃ and maintained at a temperature of 85-92 ℃ when being heated, and the temperature is tested once every 30 min.
When the demolding quality of the electric pole is detected, the strength of the electric pole is controlled to be 60% -70% of the designed strength.
And 5, after the demoulding quality inspection is qualified, stacking and maintaining are carried out, the soft cushion layer is placed at a designated position, a soft cushion layer is placed between an upper layer and a lower layer during stacking, when the stacking and maintaining temperature is 10 ℃, the electric pole is required to be watered, moisturized and maintained or maintained in a water pool, quality inspection is carried out again after stacking and maintaining are finished, and the electric pole is manufactured and put in storage or sold after quality inspection is qualified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A novel electric pole manufacturing method is characterized by comprising the following steps:
step 1: binding the steel cage of the electric pole, selecting proper steel bars, and binding the steel cage by using spiral steel bars and steel wires;
step 2: placing the bound steel cage into an electric pole mould, and then pouring the stirred concrete into the mould;
and step 3: sealing the steel die, and placing the steel die on a centrifuge for centrifugal rotation;
and 4, step 4: placing the steel die after centrifugation into a curing pool for curing;
and 5: and taking out the steel die, demolding, and stacking after the quality of the electric pole is qualified to finish the manufacturing.
2. A novel electric pole manufacturing method as claimed in claim 1, characterized in that the tip diameter of the steel bar should be less than 190mm and the tapered rod is not less than 3mm, or the tip diameter of the tapered rod or the diameter of the constant diameter rod is more than 190mm, the specific selection is made according to the drawing, and the number of the steel bars of the steel cage should meet the standard and requirement of GB/T4623.
3. The method as claimed in claim 2, wherein before the steel cage is fabricated, the steel bars are straightened by the steel bar straightening and cutting machine, the steel bars are cut off according to a total length of 1.5/1000, each steel bar of the steel cage is cold-drawn and strengthened after the cutting is completed, the total cold-drawn elongation is 4-10%, and the total cold-drawn elongation of the rusted steel bar is 1-4%.
4. The method for manufacturing a novel electric pole as claimed in claim 1, wherein after the steel cage is placed in the steel mold, the main reinforcement, the spiral reinforcement and the erection ring of the steel cage are checked and corrected, after the steel cage is qualified, concrete can be poured into the steel cage, and the poured concrete is continuous and is not required to be interrupted.
5. A novel electric pole making method as claimed in claim 4, characterized in that when the concrete is stirred in summer, the temperature of cement is not higher than 55 ℃, the temperature of sand and stone is not higher than 36 ℃, and when the temperature is lower than 5 ℃ in winter, the concrete is stirred by hot water with the temperature of 35-60 ℃, and the sand and stone are not required to contain ice blocks and caking blocks.
6. The method for manufacturing a novel electric pole as claimed in claim 1, wherein the steel mold is maintained at a temperature of 20 ℃ to 30 ℃ during static temperature maintenance, and at a temperature of 85 ℃ to 92 ℃ during temperature-rising maintenance, and the temperature test is performed every 30 min.
7. The method for manufacturing a novel electric pole as claimed in claim 1, wherein in the step 5, after the quality inspection of the demolded material is qualified, stacking maintenance is further performed, the electric pole is placed at a designated position, a cushion layer is placed between an upper layer and a lower layer during stacking, when the stacking maintenance temperature is 10 ℃, watering, moisturizing and maintenance or maintenance in a pool are performed on the electric pole, quality inspection is performed again after stacking maintenance is completed, manufacturing is completed after quality inspection is qualified, and warehousing or selling can be performed.
8. The method for manufacturing a novel electric pole as claimed in claim 7, wherein the strength of the electric pole is controlled to 60% -70% of the design strength during the demoulding quality inspection of the electric pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996984.6A CN110744699A (en) | 2019-10-19 | 2019-10-19 | Novel electric pole manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996984.6A CN110744699A (en) | 2019-10-19 | 2019-10-19 | Novel electric pole manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN110744699A true CN110744699A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996984.6A Pending CN110744699A (en) | 2019-10-19 | 2019-10-19 | Novel electric pole manufacturing method |
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| CN (1) | CN110744699A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654963A (en) * | 2008-08-21 | 2010-02-24 | 陈子成 | Annular prestressed concrete electric pole and production process thereof |
| JP2011117525A (en) * | 2009-12-03 | 2011-06-16 | Nippon Hume Corp | Steel pipe concrete composite pipe |
| CN106239696A (en) * | 2016-07-27 | 2016-12-21 | 石台县诚信新型墙材有限责任公司 | Multi-functional hollow concrete segment machining production line |
-
2019
- 2019-10-19 CN CN201910996984.6A patent/CN110744699A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654963A (en) * | 2008-08-21 | 2010-02-24 | 陈子成 | Annular prestressed concrete electric pole and production process thereof |
| JP2011117525A (en) * | 2009-12-03 | 2011-06-16 | Nippon Hume Corp | Steel pipe concrete composite pipe |
| CN106239696A (en) * | 2016-07-27 | 2016-12-21 | 石台县诚信新型墙材有限责任公司 | Multi-functional hollow concrete segment machining production line |
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Application publication date: 20200204 |