阅读说明：本技术 竖直绞股张拉绝缘管材的生产方法 (Production method of vertical strand tension insulating pipe ) 是由 蒋文君 于 2020-06-01 设计创作，主要内容包括：本发明提供了一种竖直绞股张拉绝缘管材的生产方法,先将多根纤维纱通过限位穿纱板,穿过绞股齿轮中的穿纱孔；然后电机提供电机传动齿轮的动力,带动电机传动齿轮转动,电机传动齿轮通过链条传输动力,带动所有的纱绞股齿轮的转动；穿过每个绞股齿轮中的纱在绞股齿轮转动下绞成一股绞股筋,若干绞股齿轮中通过的若干股绞股筋穿过内外模成型机构中内模和外模的中间,经过沉浸和固化后形成管材内外层之间的螺旋式加强筋。本发明将多股玄武岩纤维纱树脂胶液预浸润后进行绞股,形成螺旋式缠绕结构,固化制成加强筋；再次加入玄武岩纤维纱、毡、胶液等进入模具进行二次固化,提高中空结构中支撑筋强度,提高制品强度。(The invention provides a production method of a vertical strand tension insulating pipe, which comprises the following steps of firstly passing a plurality of fiber yarns through a limiting yarn threading plate and through yarn threading holes in a strand gear; then the motor provides power of a motor transmission gear to drive the motor transmission gear to rotate, and the motor transmission gear transmits power through a chain to drive all the yarn strand gears to rotate; the yarns passing through each of the stranded gears are stranded into a strand of stranded rib under the rotation of the stranded gears, and a plurality of strands of stranded ribs passing through the stranded gears pass through the middle of the inner die and the outer die in the inner die and outer die forming mechanisms and form a spiral reinforcing rib between the inner layer and the outer layer of the pipe after immersion and solidification. Pre-infiltrating a plurality of strands of basalt fiber yarn resin glue solution, then performing stranding to form a spiral winding structure, and curing to prepare a reinforcing rib; and adding basalt fiber yarns, felts, glue solution and the like again, and allowing the mixture to enter a mold for secondary curing, so that the strength of the support rib in the hollow structure is improved, and the strength of the product is improved.)

1. A production method of a vertical strand tension insulating pipe is characterized by comprising the following steps: the method comprises the following steps:

1) a plurality of fiber yarns pass through the limiting yarn threading plate and then pass through the yarn threading holes in the stranded gear;

2) the motor provides power for the motor transmission gear to drive the motor transmission gear to rotate, and the motor transmission gear transmits power through the chain to drive all the yarn strand gears to rotate;

3) the yarns passing through each of the stranded gears are stranded into a strand of stranded rib under the rotation of the stranded gears, and a plurality of strands of stranded ribs passing through the stranded gears pass through the middle of the inner die and the outer die in the inner die and outer die forming mechanisms and form a spiral reinforcing rib between the inner layer and the outer layer of the pipe after immersion and solidification.

2. The method of producing a vertically stranded tensioned insulation pipe according to claim 1, characterized in that: the transmission gear and the stranded gear are fixed on the same horizontal plane.

Technical Field

The invention relates to the field of insulating pipes, in particular to a production method of a vertical strand tension insulating pipe, which is suitable for products such as composite insulators, composite cross arms, composite components and the like.

Background

Nearly 5 thousands of transformer substations and booster stations exist in the whole country, countless porcelain bottles and insulators are arranged in the transformer substations, the phenomena of porcelain bottle cracking, breakage and insulator aging are unknown every year, and potential safety hazards are serious. How to patrol, overhaul and replace the porcelain insulator and the insulator is a problem which needs to be solved urgently in the power industry.

At present, cross arms on a tower are mostly steel structures, insulating cross arms are partially used, the problems of overlarge deflection, insufficient design strength, insufficient tracking resistance, acid and alkali corrosion resistance, insufficient aging resistance and the like generally exist, and the long-term operation requirement of a power transmission line cannot be met.

The existing composite pipe can not meet the use requirement no matter in a composite insulator, a composite cross arm or other insulating composite pipes. The existing basalt pipe is usually wrapped by adopting a multi-layer felt-yarn-felt structure and then is immersed in a resin material. However, the structural strength of the composite material is still inferior to that of the existing metal pipe, and under the condition that the material technology cannot break through in a short period, the improvement of the strength of the pipe through structural improvement is a scheme which is easier to realize.

Disclosure of Invention

The invention provides a production method of a vertical strand stretch-draw insulated pipe, aiming at solving the problems in the prior art, wherein a plurality of strands of basalt fiber yarn resin glue solution are pre-infiltrated and then stranded to form a spiral winding structure, and the reinforcing rib is manufactured by solidification; and adding basalt fiber yarns, felts, glue solution and the like again, and allowing the mixture to enter a mold for secondary curing, so that the strength of the support rib in the hollow structure is improved, and the strength of the product is improved.

The invention provides a production method of a vertical strand tension insulating pipe, which comprises the following steps:

1. a plurality of fiber yarns pass through the limiting yarn threading plate and then pass through the yarn threading holes in the stranded gear;

2. the motor provides power for the motor transmission gear to drive the motor transmission gear to rotate, and the motor transmission gear transmits power through the chain to drive all the yarn strand gears to rotate;

3. the yarns passing through each of the stranded gears are stranded into a strand of stranded rib under the rotation of the stranded gears, and a plurality of strands of stranded ribs passing through the stranded gears pass through the middle of the inner die and the outer die in the inner die and outer die forming mechanisms and form a spiral reinforcing rib between the inner layer and the outer layer of the pipe after immersion and solidification.

The transmission gear and the stranded gear are fixed on the same horizontal plane, can only rotate and cannot move.

The production device adopted by the invention is as follows: include from last stretch-draw frame, collection yarn mechanism, interior outer mould forming mechanism, the heavy pond of soaking and solidification equipment that sets gradually extremely down, collection yarn mechanism include chain mechanism, motor drive gear and a plurality of gynostemma pentaphylla gear, wherein, every gynostemma pentaphylla gear central authorities all opened a plurality of holes of wearing, motor drive gear passes through the chain belt and drives a gynostemma pentaphylla gear rotation, and the yarn in the stretch-draw frame passes the hole of wearing in the gynostemma pentaphylla gear, gets into to sink and soaks in the pond. And a limiting yarn threading plate is arranged between the tensioning frame and the yarn collecting mechanism.

The chain mechanism is an annular chain, and a motor transmission gear is arranged in the annular chain.

The chain can also be a rectangular structure formed by four chains, and a motor transmission gear is arranged in each chain.

The invention has the beneficial effects that:

1. the composite cross arm and the composite member can reduce the width of a line corridor and improve the adaptability of a line and the surrounding environment.

2. The novel composite material is tensioned by adopting vertical steering prestress, so that the tensile strength and the longitudinal rigidity are improved.

3. The composite material is a hollow structure, is torsion-proof, has no deformation, and is light and high in strength. The longitudinal rigidity of the new material with the same volume is similar to that of 45# steel, the tensile strength is 6 times of that of the new material, and the weight is 1/3 times of that of the new material.

4. The novel composite material can be subjected to high-temperature glaze spraying (or injection molding of ASA) on the surface, and has the advantages of sun protection, aging resistance, corrosion resistance, high and low temperature resistance, and the service life of 50 years.

5. The technology of prefabricating the reinforcing ribs comprises the following steps: pre-infiltrating a plurality of strands of basalt fiber yarn resin glue solution, then performing stranding to form a spiral winding structure, and curing to prepare a reinforcing rib; and adding basalt fiber yarns, felts, glue solution and the like again, and allowing the mixture to enter a mold for secondary curing, so that the strength of the support rib in the hollow structure is improved, and the strength of the product is improved.

6. The composite insulator, the composite cross arm, the composite member and the like are light, high in strength, torsion-proof, tensile, sun-proof, ageing-resistant, corrosion-resistant, high-temperature resistant and durable.

7. The cost can be saved by 40%.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the yarn collecting mechanism of the present invention.

Fig. 3 is a schematic view of a circular chain mechanism.

Fig. 4 is a schematic view of a rectangular chain mechanism.

Fig. 5 is a schematic view of the present invention applied to a composite insulating cross arm or beam.

Detailed Description

The invention will be further explained with reference to the drawings.

The production device adopted by the invention has the overall structure shown in figure 1, and comprises a tensioning frame 1, a yarn collecting mechanism 2, an inner die forming mechanism, an outer die forming mechanism 3, an immersion tank 4 and a curing device 5 which are sequentially arranged from top to bottom, wherein the yarn collecting mechanism is shown in figures 2, 3 and 4 and comprises a chain mechanism 6, a motor transmission gear 7 and a plurality of stranded gears 8, a plurality of yarn penetrating holes 11 are formed in the center of each stranded gear, the motor transmission gear drives each stranded gear to rotate through a chain belt, and yarns 9 in the tensioning frame penetrate through the yarn penetrating holes in the stranded gears and enter the immersion tank.

As shown in fig. 3, the chain mechanism is an annular chain, and a motor transmission gear is arranged in the annular chain.

As shown in fig. 4, the chains are rectangular structures formed by four chains, and each chain is internally provided with a motor transmission gear.

A limiting yarn threading plate 10 is arranged between the tension frame and the yarn collecting mechanism.

The invention is shown in fig. 5 when applied in a composite insulated crossarm or beam.

The working method of the invention is as follows:

1. a plurality of fiber yarns pass through the limiting yarn threading plate and then pass through the yarn threading holes in the stranded gear;

2. the motor provides power for the motor transmission gear to drive the motor transmission gear to rotate, and the motor transmission gear transmits power through the chain to drive all the yarn strand gears to rotate;

3. the yarns passing through each of the stranded gears are stranded into a strand of stranded rib under the rotation of the stranded gears, and a plurality of strands of stranded ribs passing through the stranded gears pass through the middle of the inner die and the outer die in the inner die and outer die forming mechanisms and form a spiral reinforcing rib between the inner layer and the outer layer of the pipe after immersion and solidification.

The transmission gear and the stranded gear are fixed on the same horizontal plane and can only rotate but cannot move.

While the invention has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.