CN219544077U

CN219544077U - Light mould for winding production of composite material electric pole

Info

Publication number: CN219544077U
Application number: CN202320507641.0U
Authority: CN
Inventors: 杨勇; 刘绪雷; 张玉风; 高春毓; 刘芳
Original assignee: Shandong Taikai Electric Apparatus Insulation Co ltd
Current assignee: Shandong Taikai Electric Apparatus Insulation Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-18
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to the field of dies, in particular to a light die for winding production of composite material electric poles. The glass fiber reinforced plastic composite material comprises a core body, a joint assembly and a glass fiber reinforced plastic winding layer; the core body is of a straight pipe structure; the connector assembly comprises a connector a and a connector b, and the connector a and the connector b are respectively connected to two axial ends of the core body; the glass fiber reinforced plastic winding layer is coaxially wound on the outer peripheral surface of the core body and protrudes out of the outer peripheral surface of the core body, the outer peripheral surface of the glass fiber reinforced plastic winding layer is a rotary surface, and the diameter of the outer peripheral surface is gradually reduced along the direction from one end to the opposite other end of the glass fiber reinforced plastic winding layer. The utility model has the advantages of simple manufacture, low cost, light weight and high economy, and can secondarily process the mould according to the processing requirement to produce composite material electric poles of different types.

Description

Light mould for winding production of composite material electric pole

Technical Field

The utility model relates to the field of dies, in particular to a light die for winding production of composite material electric poles.

Background

With the vigorous development of the power industry in China, the power transmission line almost extends to all villages in China. The electric pole is used as a material widely applied and plays a key role in the construction process of the power transmission line. However, conventional cement electric poles are heavy, difficult to carry and insufficient in resistance to typhoon and acid-base corrosion. In recent years, novel composite material electric poles are developed in China, and the electric pole is formed by winding glass fiber infiltrated polyurethane or epoxy resin, and has the outstanding advantages of light weight, high strength, rapid installation, capability of effectively resisting typhoon and seawater corrosion and the like. In coastal areas, typhoon frequent areas and western areas with high altitude mountains, the composite electric pole has been used for replacing the cement electric pole.

The production composite material pole needs to be wound by using a steel mold, the traditional steel pole mold is manufactured by adopting steel plate rolling and welding, the mold is high in processing difficulty and purchasing cost, the mold is generally more than 1 ton in weight and difficult to transport, and meanwhile, in the production process of the composite pole, the mold needs to be driven to rotate, and the large weight causes larger energy consumption of rotary driving. The existing steel mold is difficult to manufacture and high in price, and only can produce composite material electric poles with specific unique types, and is large in weight and low in economical efficiency.

Disclosure of Invention

The utility model aims to solve the problems in the background technology, and provides a light mold for winding production of composite material electric poles, which is simple to manufacture, low in cost, light in weight and high in economical efficiency, and can be used for secondarily machining the mold according to the machining requirements to produce composite material electric poles of different types.

The technical scheme of the utility model is that the light mould for winding production of the composite material electric pole comprises a core body, a joint component and a glass fiber reinforced plastic winding layer; the core body is of a straight pipe structure; the connector assembly comprises a connector a and a connector b, and the connector a and the connector b are respectively connected to two axial ends of the core body; the glass fiber reinforced plastic winding layer is coaxially wound on the outer peripheral surface of the core body and protrudes out of the outer peripheral surface of the core body, the outer peripheral surface of the glass fiber reinforced plastic winding layer is a rotary surface, and the diameter of the outer peripheral surface is gradually reduced along the direction from one end to the opposite other end of the glass fiber reinforced plastic winding layer.

Preferably, the core body comprises a plurality of circular pipes with diameters sequentially reduced, the circular pipes are sequentially connected according to the order from large to small in diameter, and the circular pipes are coaxially distributed.

Preferably, a plurality of circular pipes are welded in sequence.

Preferably, the round tube is an aluminum alloy tube.

Preferably, the diameter of the outer peripheral surface of the glass fiber reinforced plastic winding layer gradually decreases from the circular pipe with the largest diameter to the circular pipe with the smallest diameter.

Preferably, the joint a is connected to the end with the largest diameter of the core by a bolt, and the joint b is connected to the end with the smallest diameter of the core by a bolt.

Preferably, both the joint a and the joint b are metal joints.

Compared with the prior art, the utility model has the following beneficial technical effects:

the utility model has the advantages of simple manufacture, low cost, light weight and high economy, and can secondarily process the mould according to the processing requirement to produce composite material electric poles of different types. The glass fiber reinforced plastic winding layer is made of glass fiber, so that the material is light, and the whole die is light. Through carrying out secondary operation to glass steel winding layer, can produce the combined material pole of different models, application scope is bigger.

Drawings

Fig. 1 is a front view in cross section of an embodiment of the present utility model.

Reference numerals: 1. a core; 2. a joint a; 3. a joint b; 4. and a glass fiber reinforced plastic winding layer.

Detailed Description

Example 1

As shown in fig. 1, the light mold for winding production of the composite material electric pole provided by the embodiment comprises a core body 1, a joint assembly and a glass fiber reinforced plastic winding layer 4.

The core body 1 is of a straight pipe structure. The joint assembly comprises a joint a2 and a joint b3, and the joint a2 and the joint b3 are respectively connected at two axial ends of the core body 1.

The glass fiber reinforced plastic winding layer 4 is coaxially wound on the outer peripheral surface of the core body 1 and protrudes out of the outer peripheral surface of the core body 1, so that the composite material can be completely wound on the outer peripheral surface of the glass fiber reinforced plastic winding layer 4 when the composite material electric pole is produced by using a die, the outer peripheral surface of the glass fiber reinforced plastic winding layer 4 is a rotary surface, and the diameter of the outer peripheral surface is gradually reduced along the direction from one end to the opposite other end of the glass fiber reinforced plastic winding layer 4. When the glass fiber reinforced plastic winding layer 4 is wound, glass fiber is wound by wetting epoxy resin in a wet method and is cured and formed at a high temperature. And (3) carrying out fine polishing processing on the outer surface of the glass fiber reinforced plastic winding layer 4 according to the actual demand of producing the composite material electric pole, and thus finishing the die manufacture.

The embodiment has the advantages of simple manufacture, low cost, light weight and high economy, and can be used for secondarily processing the die according to processing requirements to produce composite material electric poles of different types. The glass fiber reinforced plastic winding layer 4 is made of glass fiber, and is light in material, so that the whole die is light. Through carrying out secondary operation to glass steel winding layer 4, can produce the combined material pole of different models, thereby the combined material pole that the production size is slightly less in order to reduce the diameter for the production application scope of whole mould is bigger for polishing glass steel winding layer 4.

Example two

As shown in fig. 1, in the first embodiment, the core 1 includes a plurality of round tubes with sequentially reduced diameters, and the round tubes are sequentially welded and connected according to the order of the diameters, the round tubes are coaxially distributed, the round tubes are aluminum alloy tubes and are light in material, and the aluminum alloy tubes are welded and connected into a whole, namely, the core 1 is regular in overall structure, and the glass fiber reinforced plastic winding layer 4 can be manufactured by winding glass fibers on the outer peripheral surface of the core 1.

The diameter of the outer peripheral surface of the glass fiber reinforced plastic winding layer 4 gradually decreases along the direction from the circular pipe with the largest diameter to the circular pipe with the smallest diameter, so that the large end of the glass fiber reinforced plastic winding layer 4 corresponds to the end with the largest diameter of the core body 1, the small end of the glass fiber reinforced plastic winding layer 4 corresponds to the end with the smallest diameter of the core body 1, the glass fiber reinforced plastic winding layer 4 can be wound on the outer peripheral surface of the core body 1 in an adaptive manner, and the winding is firmer.

The joint a2 is connected with one end with the largest diameter of the core body 1 through a bolt, the joint b3 is connected with one end with the smallest diameter of the core body 1 through a bolt, and the bolt connection mode is more convenient to assemble and disassemble. The joint a2 and the joint b3 are metal joints, the joints at the two ends are made of steel pipes, and the joint structure is processed according to the joint of the composite electric pole winding equipment and relevant matched dimensions.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. Light-duty mould is used in combined material pole winding production, characterized by, include:

a core body (1) which is of a straight tubular structure;

the connector assembly comprises a connector a (2) and a connector b (3), wherein the connector a (2) and the connector b (3) are respectively connected to two axial ends of the core body (1);

the glass fiber reinforced plastic winding layer (4) is coaxially wound on the outer peripheral surface of the core body (1) and protrudes out of the outer peripheral surface of the core body (1), the outer peripheral surface is a rotary surface, and the diameter of the outer peripheral surface gradually decreases from one end to the opposite other end of the glass fiber reinforced plastic winding layer (4).

2. A lightweight mould for the winding production of composite material electric poles according to claim 1, characterized in that the core (1) comprises a plurality of circular tubes of successively decreasing diameter, and is formed by connecting a plurality of circular tubes in sequence from the largest to the smallest diameter, and the plurality of circular tubes are coaxially distributed.

3. A lightweight mould for the winding production of composite material poles as claimed in claim 2, wherein a plurality of round tubes are welded together in sequence.

4. A lightweight mould for the winding production of composite material poles as claimed in claim 2, wherein the round tube is an aluminium alloy tube.

5. A lightweight mould for the production of composite material pole windings according to claim 2, characterised in that the diameter of the outer peripheral surface of the glass fibre reinforced plastic winding layer (4) decreases progressively in the direction from the circular tube with the largest diameter to the circular tube with the smallest diameter.

6. A lightweight mould for the winding production of composite material poles according to claim 2, characterized in that the joint a (2) is bolted to the end of the core (1) with the largest diameter and the joint b (3) is bolted to the end of the core (1) with the smallest diameter.

7. A lightweight mould for the winding production of composite material poles according to claim 6, characterized in that the joints a (2) and b (3) are metal joints.