CN114016805A - Insulated telegraph pole and production process thereof - Google Patents
Insulated telegraph pole and production process thereof Download PDFInfo
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- CN114016805A CN114016805A CN202111460075.4A CN202111460075A CN114016805A CN 114016805 A CN114016805 A CN 114016805A CN 202111460075 A CN202111460075 A CN 202111460075A CN 114016805 A CN114016805 A CN 114016805A
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- 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
-
- 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
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
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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
- B28B21/76—Moulds
- B28B21/80—Moulds adapted to centrifugal or rotational moulding
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to the technical field of telegraph pole production, in particular to an insulated telegraph pole and a production process thereof, and provides a scheme aiming at the problems of inconvenient carrying and poor insulativity of the telegraph pole in the prior art. The wire pole bracket is reasonable in structure, stable in structure and simple in operation, not only effectively facilitates carrying and installation of the wire pole and improves insulativity of the wire pole, but also facilitates control of production quality of the wire pole, and is easy to popularize and use.
Description
Technical Field
The invention relates to the field of telegraph pole production, in particular to an insulated telegraph pole and a production process thereof.
Background
A utility pole is a pole that stands for electrical wire. The electric pole is one of the important infrastructures in China in early days, and various electric poles in early days are started from wood poles and even comprise high-voltage wire electric poles with not too high voltage levels.
The utility pole in the prior art is usually a complete long hollow reinforced concrete cement pole, and its weight is great, and when the electric wire netting was erect, the transportation of heavy long utility pole was just harder, especially in mountain area that the mountain road is comparatively rugged, has caused very big difficulty for the work of electric wire netting erection, and though cement concrete is bad conductor, but the steel reinforcement skeleton structure of integral type, after the cement concrete surface damages and drops, inside steel reinforcement skeleton communicates whole cement wire pole, often can become the wire pole good conductor, and insulating nature is relatively poor, for this reason, this scheme has proposed an insulating utility pole and production technology.
Disclosure of Invention
The insulated telegraph pole and the production process thereof provided by the invention solve the problems of inconvenient carrying and poor insulativity of the telegraph pole in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an insulating wire pole, includes the base and the body of rod, the body of rod is installed at the top of base, the body of rod comprises multisection festival pole, and multisection festival pole passes through coupling assembling end to end connection, and the top rigid coupling of the body of rod has the pole cap.
Preferably, the connecting assembly comprises a plurality of joint holes and joint rods reserved at the head end and the tail end of the section rod, the joint holes are distributed at equal intervals, the joint rods are matched with the joint holes, and a plurality of bulges are arranged on the outer wall of each joint rod.
Preferably, the inboard of subsection pole is equipped with a plurality of main muscle and a plurality of design muscle, and a plurality of design muscle are loop configuration, and a plurality of design muscle are along main muscle length direction equidistance setting, and a plurality of main muscle are the annular array setting.
Preferably, the rod body is a long circular truncated cone-shaped structure with a small top end and a large bottom end, the bottom of the rod body is fixedly connected with the top of the base, and the top of the base is provided with a plurality of mounting through holes.
A production process of an insulated utility pole comprises the following steps:
s1, cutting the main reinforcement and the shaped reinforcement raw material by using a high-precision reinforcement fixed-length cutting machine, upsetting two ends of the cut main reinforcement by using a reinforcement upsetting machine, and welding two ends of the shaped reinforcement together by using a welding machine to form a circular structure;
s2, movably sleeving a plurality of formed shaping ribs outside a plurality of main ribs, and forming on a steel reinforcement framework forming machine according to design requirements to obtain a steel reinforcement framework;
s3, placing the steel reinforcement framework formed in the step S2 into a sectional rod forming mold, and then adding precast concrete into the forming mold;
s4, closing the telegraph pole forming mold, applying prestress according to design requirements, and then lifting the telegraph pole forming mold to a centrifuge by a crane for centrifugal forming;
s5, maintaining the segmented rods after the centrifugal molding in the step S4;
and S6, demolding, and measuring and calculating the strength of the obtained molded sectional rod.
Preferably, a plurality of the length of main muscle is the same, and the main muscle is made by cold-drawn III level reinforcing bar, and a plurality of design muscle are made by II level reinforcing bar.
Preferably, the precast concrete in the step S3 is prepared from 20 parts of cement, 26 parts of sand, 46 parts of crushed stone and 8 parts of water, wherein the cement, the sand, the crushed stone and the water are calculated according to parts by mass, the type of the cement is PO42.5R, the sand is medium sand with a fineness modulus of 2.3-3.0, the content of the mud in the sand is less than 0.8%, the continuous grain fraction of the crushed stone is 5-20mm, the single grain fraction of the crushed stone is 10-20mm, and the water is tap water.
Preferably, the centrifugal forming in the step S4 includes a slow speed stage, a medium speed stage and a high speed stage, wherein the slow speed stage rotates for 2-3 min to prevent the concrete from falling around the inner wall of the steel mould of the electric pole, then the medium speed stage rotates for 0.5-1 min to prevent the concrete structure from being damaged in the centrifugal process, and then the high speed stage rotates for 6-15 min to achieve uniform and compact forming and remove excess water.
Preferably, the curing in the step S5 is performed by a steam curing method, the segmented rod to be cured is put into a steam box, the humidity of the environment of the steam box is kept to be greater than or equal to 95%, the temperature in the steam box is adjusted to 15-25 ℃, the temperature is kept for 4-6h, the temperature inside the steam box is increased to 50-60 ℃ at a temperature increase rate of 8 ℃/h, the temperature is kept for 3-5h, and the temperature in the steam box is decreased to room temperature at a temperature decrease rate of 5 ℃/h.
The invention has the beneficial effects that:
1. mutually support through base, a plurality of festival poles, pole cap, joint hole, joint pole, main muscle, design muscle etc. separate into a plurality of festival poles with complete wire pole, conveniently carry out the split transport to the wire pole to mutual independence between a plurality of festival poles, and then avoid after the wire pole outward appearance drops, lead to whole wire pole electrified, improve the insulating nature of wire pole.
2. Through separating into a plurality of section poles with the wire pole of accomplishing, when producing the wire pole, only need make alone a plurality of section poles, in the course of working, it is more convenient to control the whole quality of wire pole.
The wire pole bracket is reasonable in structure, stable in structure and simple in operation, not only effectively facilitates carrying and installation of the wire pole and improves insulativity of the wire pole, but also facilitates control of production quality of the wire pole, and is easy to popularize and use.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a front sectional view of the sectional rod of the present invention.
FIG. 3 is a front view of the connecting rod of the present invention.
FIG. 4 is a top cross-sectional structural view of a segmented pole of the present invention.
Reference numbers in the figures: 1. a base; 101. mounting a through hole; 2. a rod body; 201. a segment rod; 202. an engagement hole; 203. a connecting rod; 204. a main rib; 205. shaping the ribs; 3. a rod cap.
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.
Referring to fig. 1-4, an insulated telegraph pole and a production process thereof comprise a base 1 and a pole body 2, wherein the pole body 2 is of a long truncated cone-shaped structure with a small top end and a large bottom end, the bottom of the pole body 2 is fixedly connected with the top of the base 1, a plurality of mounting through holes 101 are formed in the top of the base 1, and a stainless steel anchor bolt penetrates through the mounting through holes 101 to facilitate mounting and fixing of the telegraph pole and the ground.
The pole body 2 comprises a plurality of sectional rods 201, the sectional rods 201 are connected end to end through a connecting assembly, the top of the pole body 2 is fixedly connected with a pole cap 3, the connecting assembly comprises a plurality of joint holes 202 reserved at the head and tail ends of the sectional rods 201 and a plurality of joint rods 203, the joint holes 202 are distributed in an annular array mode, the joint rods 203 are matched with the joint holes 202, a plurality of bulges are arranged on the outer walls of the joint rods 203, when the pole body is installed, structural glue is injected into the joint holes 202, the joint rods 203 are inserted into the joint holes 202, one ends, located at the tops of the sectional rods 201, of the joint rods 203 are inserted into the joint holes 202 in the other sectional rods 201, the sectional rods 201 are fixedly connected end to end in series, and the complete telegraph pole is formed.
Be equipped with a plurality of main muscle 204 and a plurality of muscle 205 of stereotyping in the inboard of segmentation pole 201, a plurality of muscle 205 of stereotyping are the loop configuration, and a plurality of muscle 205 of stereotyping set up along main muscle 204 length direction equidistance, and a plurality of main muscle 204 are the annular array setting, and a plurality of main muscle 204 and a plurality of linkage hole 202 are misplaced each other.
The main bars 204 and the forming bars 205 are cut off by using a high-precision steel bar fixed-length cutting machine on the section bar 201, the lengths of the main bars 204 are the same, the main bars 204 are made of cold-drawn III-grade steel bars, the forming bars 205 are made of II-grade steel bars, a steel bar heading machine is used for heading two ends of the cut main bars 204, welding the two ends of the forming bars 205 together by using a welding machine to form a circular structure, the forming bars 205 are movably sleeved outside the main bars 204 and are formed on a steel bar framework forming machine according to design requirements, the welding machine is used for welding contact points between the forming bars 205 and the main bars 204, the tensile strength and the yield strength of welding points are not lower than 95% of the material strength, and the depth of the welding points is not more than 1mm, so that the steel bar framework is obtained. Placing the formed steel bar framework into a sectional bar forming die, adding precast concrete into the forming die, wherein the precast concrete comprises 20 parts of cement, 26 parts of sand, 46 parts of broken stone and 8 parts of water, the cement, the sand, the broken stone and the water are calculated by mass, the cement model is PO42.5R, the sand adopts medium sand with the fineness modulus of 2.3-3.0, the mud content in the sand is less than 0.8%, the continuous grain fraction of the broken stone is 5-20mm, the single grain fraction of the broken stone is 10-20mm, the water is tap water, closing the die, applying prestress according to the design requirement, hoisting the die to a centrifuge by a crane for centrifugal forming, the centrifugal forming comprises a low-speed stage, a medium-speed stage and a high-speed stage, wherein the low-speed stage rotates for 2-3 min to enable the concrete to be distributed around the inner wall of the steel pole without collapsing, then hoisting the steel pole to the medium-speed stage to rotate for 0.5-1 min, the concrete structure is prevented from being damaged in the centrifugal process, then the concrete structure is lifted to a high-speed stage to rotate for 6-15 min, uniform and compact forming is achieved, redundant moisture is removed, the segmented rod 201 after centrifugal forming is hoisted into a steam box by a crane, the box door is closed, the humidity of the environment of the steam box is kept to be greater than or equal to 95%, the temperature in the steam box is adjusted to be 15-25 ℃, the temperature is placed for 4-6h, the temperature of the inner side of the steam box is increased to 50-60 ℃ at the heating rate of 8 ℃/h, the temperature is kept for 3-5h, the temperature in the steam box is reduced to the room temperature at the cooling rate of 5 ℃/h, curing is completed, demolding is carried out, the strength of the obtained formed segmented rod 201 is measured and calculated, and the segmented rod 201 is obtained after qualification measurement.
The working principle is as follows: when the sectional rod 201 is manufactured, a high-precision steel bar fixed-length cutting machine is used for cutting the raw materials of the main bar 204 and the shaping bar 205 into required lengths, the two ends of the cut main bar 204 and the shaping bar 205 are butted, the two ends of the shaping bar 205 are welded by a welding machine to form a circular ring-shaped structure, the main bar 204 and the shaping bar 205 are assembled into a steel bar framework according to the design requirement, the steel bar framework is placed into a sectional rod forming die, precast concrete is added into the die, the die is closed, the sectional rod 201 is molded, manufactured and maintained to obtain the sectional rod 201, when the sectional rod 201 is used, structural glue is used and injected into the connecting hole 202, then one end of the connecting rod 203 is inserted into the connecting hole 202, then the structural glue is injected into the connecting hole 202 at one end corresponding to the connecting rod 203, the operation is repeated, and a plurality of the sectional rods 201 are manufactured according to the design requirement, the head and the tail are connected in series, then an installation pot hole is dug on the ground, an installation base is poured on the installation pot hole, the assembled telegraph pole is erected on the installation base, a stainless steel anchor bolt penetrates through the installation through hole 101, the base 1 and the installation base are installed and fixed, and the installation of the telegraph pole is completed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an insulating wire pole, includes base (1) and the body of rod (2), its characterized in that, the top at base (1) is installed in the body of rod (2), the body of rod (2) comprises multi-section festival pole (201), and multi-section festival pole (201) through coupling assembling end to end connection, the top rigid coupling of the body of rod (2) has pole cap (3).
2. An insulated utility pole according to claim 1, wherein the connection assembly comprises a plurality of coupling holes (202) and coupling rods (203) reserved at the head and tail ends of the section bar (201), the plurality of coupling holes (202) are distributed at equal intervals, the coupling rods (203) are matched with the coupling holes (202), and the outer walls of the coupling rods (203) are provided with a plurality of protrusions.
3. An insulated utility pole according to claim 1, wherein the segmented pole (201) is provided with a plurality of main ribs (204) and a plurality of shaped ribs (205) on the inner side, the shaped ribs (205) are all in a ring structure, the shaped ribs (205) are arranged at equal intervals along the length direction of the main ribs (204), and the main ribs (204) are arranged in a ring array.
4. An insulated utility pole according to claim 1, wherein the rod body (2) is a long truncated cone-shaped structure with a small top end and a large bottom end, the bottom of the rod body (2) is fixedly connected with the top of the base (1), and the top of the base (1) is provided with a plurality of mounting through holes (101).
5. The process for producing an insulated utility pole according to any one of claims 1 to 4, comprising the steps of:
s1, cutting the main rib (204) and the shaping rib (205) by using a high-precision steel bar fixed-length cutting machine, upsetting the two ends of the cut main rib (204) by using a steel bar upsetting machine, and welding the two ends of the shaping rib (205) together by using a welding machine to form a circular structure;
s2, movably sleeving a plurality of formed shaping ribs (205) outside a plurality of main ribs (204), and forming on a steel reinforcement framework forming machine according to design requirements to obtain a steel reinforcement framework;
s3, placing the steel reinforcement framework formed in the step S2 into a sectional rod forming mold, and then adding precast concrete into the forming mold;
s4, closing the telegraph pole forming mold, applying prestress according to design requirements, and then lifting the telegraph pole forming mold to a centrifuge by a crane for centrifugal forming;
s5, curing the segmented rod (201) after the centrifugal molding in the step S4;
and S6, demolding, and measuring and calculating the strength of the obtained molded sectional rod (201).
6. The process for producing an insulated utility pole of claim 5, wherein the plurality of main bars (204) are of the same length, the main bars (204) are made of cold-drawn grade III steel bars, and the plurality of shaped bars (206) are made of grade II steel bars.
7. The process for producing an insulated utility pole according to claim 5, wherein the precast concrete in the step S3 comprises 20 parts of cement, 26 parts of sand, 46 parts of crushed stone and 8 parts of water, wherein the cement is PO42.5R in parts by mass, the sand is medium sand with a fineness modulus of 2.3-3.0, the content of mud in the sand is less than 0.8%, the continuous size fraction of the crushed stone is 5-20mm, the single size fraction of the crushed stone is 10-20mm, and the water is tap water.
8. The process for producing an insulated utility pole according to claim 5, wherein the centrifugal forming in the step S4 includes a slow speed stage, a medium speed stage and a high speed stage, wherein the slow speed stage rotates for 2-3 min to prevent the concrete from falling around the inner wall of the steel mould of the pole, then the medium speed stage rotates for 0.5-1 min to prevent the concrete structure from being damaged during the centrifugal process, and then the high speed stage rotates for 6-15 min to achieve uniform and compact forming and remove excess water.
9. The process for producing an insulated utility pole according to claim 5, wherein the curing in the step S5 is performed by a steam curing method, the sectional pole (201) to be cured is placed in a steam box, the environmental humidity of the steam box is kept to be 95% or more, the temperature in the steam box is adjusted to 15-25 ℃, the steam box is placed for 4-6h, the temperature inside the steam box is raised to 50-60 ℃ at a heating rate of 8 ℃/h, the temperature is kept for 3-5h, and the temperature in the steam box is lowered to room temperature at a cooling rate of 5 ℃/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111460075.4A CN114016805A (en) | 2021-12-01 | 2021-12-01 | Insulated telegraph pole and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111460075.4A CN114016805A (en) | 2021-12-01 | 2021-12-01 | Insulated telegraph pole and production process thereof |
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| CN114016805A true CN114016805A (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111460075.4A Pending CN114016805A (en) | 2021-12-01 | 2021-12-01 | Insulated telegraph pole and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115522800A (en) * | 2022-11-02 | 2022-12-27 | 东北电力大学 | Device for connecting conical concrete poles |
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| CN105965686A (en) * | 2016-06-24 | 2016-09-28 | 广西北海精电力器材有限责任公司 | Telegraph pole production process |
| CN209083133U (en) * | 2018-11-08 | 2019-07-09 | 安徽擎柱杆塔有限公司 | A kind of Portable segmentation concrete wire pole |
| CN111852162A (en) * | 2020-07-28 | 2020-10-30 | 安徽凯越电力杆塔有限公司 | Annular concrete pole and sectional assembling method thereof |
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| CN213234476U (en) * | 2020-09-02 | 2021-05-18 | 河北润康电力设备有限公司 | Sectional reducing cement telegraph pole |
| CN112876173A (en) * | 2021-03-11 | 2021-06-01 | 广西电力线路器材厂有限责任公司 | Ultrahigh-performance concrete pole and production method thereof |
| CN214424172U (en) * | 2020-11-24 | 2021-10-19 | 国网浙江省电力有限公司温州供电公司 | Split plug-in type cement electric pole |
| CN214740355U (en) * | 2020-11-27 | 2021-11-16 | 芜湖市星宇电器有限公司 | Portable segmentation cement wire pole |
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2021
- 2021-12-01 CN CN202111460075.4A patent/CN114016805A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4869485A (en) * | 1984-10-31 | 1986-05-15 | R.F.D. Consultants Pty. Ltd. | A modular utility pole |
| CN101654963A (en) * | 2008-08-21 | 2010-02-24 | 陈子成 | Annular prestressed concrete electric pole and production process thereof |
| CN105965686A (en) * | 2016-06-24 | 2016-09-28 | 广西北海精电力器材有限责任公司 | Telegraph pole production process |
| CN209083133U (en) * | 2018-11-08 | 2019-07-09 | 安徽擎柱杆塔有限公司 | A kind of Portable segmentation concrete wire pole |
| CN111852162A (en) * | 2020-07-28 | 2020-10-30 | 安徽凯越电力杆塔有限公司 | Annular concrete pole and sectional assembling method thereof |
| CN213234476U (en) * | 2020-09-02 | 2021-05-18 | 河北润康电力设备有限公司 | Sectional reducing cement telegraph pole |
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| CN214424172U (en) * | 2020-11-24 | 2021-10-19 | 国网浙江省电力有限公司温州供电公司 | Split plug-in type cement electric pole |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115522800A (en) * | 2022-11-02 | 2022-12-27 | 东北电力大学 | Device for connecting conical concrete poles |
| CN115522800B (en) * | 2022-11-02 | 2023-04-07 | 东北电力大学 | Device for connecting conical concrete poles |
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Application publication date: 20220208 |