CN202065558U

CN202065558U - Glass fiber reinforced plastic ribbed sand inclusion pipe

Info

Publication number: CN202065558U
Application number: CN2011200680581U
Authority: CN
Inventors: 杨金连
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-16
Filing date: 2011-03-16
Publication date: 2011-12-07
Anticipated expiration: 2021-03-16

Abstract

A glass fiber reinforced plastic ribbed sand pipe comprises a plastic ribbed lining layer, a sand inclusion enhanced protection layer and an externally-wound protection layer from the outside to the inside. The sand inclusion enhanced protection layer is wound on the plastic ribbed lining layer, the externally-wound protection layer is wound on the sand inclusion enhanced protection layer, and the plastic ribbed lining layer is made of a plastic band material with front side smooth and the reverse side provided with ribs. The design structure of the glass fiber reinforced plastic ribbed sand pipe is that the lining is enhanced densely, the middle is reinforced, and glass fiber on the surface is wound evenly and repeatedly in a shape of a net. Therefore, inside-and-outside bonding force is greatly enhanced. The glass fiber reinforced plastic ribbed sand pipe has good corrosion-resistant performance, abrasion-resistant performance and rough elasticity, and is especially suitable for large-bore rain sewage pipelines buried deep underground in urban construction.

Description

Glass fibre reinforced plastics reinforcement burning into sand pipe

Technical field

The utility model relates to a kind of municipal blow-off line, is specially adapted to municipal heavy caliber draining, blow-off line.

Background technique

Municipal now used blow-off line, small-bore most employing pvc pipe, the PE pipe, the PP pipe, above-mentioned plastic pipe because of its cost of raw material at the bottom of, make simple and be widely adopted, but pvc pipe, the PE pipe, the PP pipe is when making large diameter pipeline, because of die head and chain type revolution mould and whole unit all quite huge, require high to die head and installation precision, and transmission system and control system are also very complicated, apparatus expensive, also the wall thickness that increases because the bore of plastic tube is big causes mobile difference and can not guarantee its stability and ring stiffness, is that the above one-time formed plastic tube of 600mm is difficult to realize so make internal diameter.

Heavy caliber draining, the blow-off line of present domestic use adopt traditional concrete pipe and glass reinforced plastic sand pipe substantially, traditional concrete pipe is because of doing concrete floor when the engineering comb, and arranged and can not rapid construction quite long curing time, special when the road comb in city, the road that has is narrow, sometimes also to have a strong impact on construction speed while being open to traffic, constructing.The concrete plug Heavy Weight has seriously increased the difficulty of constructing again.Consider above shortcoming, so when urban road is reconstructed, design the glass reinforced plastic sand pipe that adopts high-strength light, need not do the basis mostly.But the glass reinforced plastic sand pipe cost is than higher.In addition, after having promoted the use of a period of time, the liner of finding glass reinforced plastic sand pipe is through long-term a large amount of current scour, and obvious layering appears in tube wall, and phenomenons such as tensile fiber destroys, comes off, fracture have been brought huge hidden danger to safety.

The model utility content

The purpose of this utility model is to provide a kind of glass fibre reinforced plastics reinforcement burning into sand pipe, and to solve tubing Heavy Weight in the prior art, difficulty of construction is big, the technical problem that the heavy caliber pipe cost is high.

A kind of manufacture method of glass fibre reinforced plastics reinforcement burning into sand pipe may further comprise the steps:

(1) plastic raw material is made the plastic strap of positive smooth, reverse side band muscle, described plastic strap forward is towards preset die, twines at least one circle along the external diameter of described mould, forms plastics reinforcement inside liner;

(2) by behind unsaturated polyester resin or epoxy resin and the silica sand premix, be spirally wound at least one circle on the plastics reinforcement inside liner, form burning into sand and strengthen protective layer by the pocket emery cloth;

(3) soak into unsaturated polyester resin or epoxy resin with glass fiber and be wrapped in burning into sand and strengthen the outer at least one circle of protective layer, form winding protective layer;

(4) curing, finishing, the demoulding form glass fibre reinforced plastics reinforcement burning into sand pipe.

Preferably, the both sides of plastic strap have tongue joint described in the step (1), and when the external diameter along mould twined, band was finished self-locking by the described tongue joint that both sides have.

Making method of the present utility model also comprises the joint socket step is set:

One end of described pipeline, outer winding protective layer directly is wrapped on the mould bellmouth by intersecting to twine, and winding plastic reinforcement inside liner, burning into sand do not strengthen protective layer on the mould bellmouth.

At the other end of pipeline, outer winding protective layer is wrapped in burning into sand and strengthens protective layer, and burning into sand strengthens protective layer and is wrapped on the plastics reinforcement inside liner, repairs socket by finishing at last.

And, the length of bellmouth and the same length of socket.

A kind of glass fibre reinforced plastics reinforcement burning into sand pipe; comprise plastics reinforcement inside liner from the inside to the outside successively; burning into sand strengthens protective layer and outer winding protective layer; described burning into sand enhancing protective layer twines and is located on the described plastics reinforcement inside liner; described outer winding protective layer twines and is located on the described burning into sand enhancing protective layer; described plastics reinforcement inside liner is smooth by the front; the plastic strap of reverse side band muscle is formed; it is to be made by unsaturated polyester resin or epoxy resin and silica sand premix that burning into sand strengthens protective layer, and described outer winding protective layer is to soak into unsaturated polyester resin or epoxy resin is made by glass fiber.

The both sides of described plastic strap have the tongue joint of self-locking mutually.

Project organization of the present utility model adopts liner to strengthen fine and close, middle reinforcing, the evenly netted repeatedly winding of Outside surface glass fiber, make combination of inner and outside power strengthen greatly, the characteristics of good antiseptic property, wear resistance, tough good springiness are specially adapted to buried underground heavy caliber rain sewage conduct in the urban construction.

Description of drawings

Figure 1A to Fig. 1 C is respectively the step of manufacturing pipeline cut-away view of glass fibre reinforced plastics reinforcement burning into sand pipe.

Fig. 2 is the amplification principle cut-away view of the utility model glass fibre reinforced plastics reinforcement burning into sand pipe.

Embodiment

See also Figure 1A to Fig. 1 C and Fig. 2, the glass fibre reinforced plastics reinforcement burning into sand pipe that the utility model proposes is made up of plastics reinforcement liner 1 and burning into sand enhancing protective layer 2, outer winding protective layer.Described plastics reinforcement liner is to adopt PVC; raw material such as PE or PP is made the band of reinforced bands snap close by extruder; twine by mould then; form the plastics reinforcement liner of pipeline; after plastics reinforcement liner is finished; after using 20 ~ 80 purpose silica sands and unsaturated polyester resin or epoxy resin prepolymer with pocket emery cloth parcel; be spirally wound on the plastics reinforcement liner; form burning into sand and strengthen protective layer; glass fibre with impregnated with resin twines the outer winding protective layer of formation by spiral then; in the fixed length winding process, twine joint socket simultaneously; by normal temperature cure or infrared ray cured, solidify the back finishing; the demoulding promptly forms glass fibre reinforced plastics reinforcement burning into sand pipe.

Preparation process of the present utility model is roughly:

A1 plastics reinforcement described in the utility model inside liner (Figure 1A) is the band that is made into wide 15cm ~ 25cm two sideband tongue joints (forming snap close during coiling), one-sided smooth, the middle reinforcement of one side by raw materials such as PVC, PE or PP by common extruder, the width that band is made is decided according to the size design of tubing bore, and the height of middle reinforcement and width are decided according to the ring stiffness design of tubing.Smooth one side is close to mould after twining, directly as inwall of the present utility model, the one side of reinforcement is outside after twining, directly as stiffening rib, so both guaranteed the smooth of inside liner, water flow is good, Keep away from rain sewage does not wash away for a long time and destroys inwall again, promptly strengthen the ring stiffness of pipeline, reduced the consumption of back two procedures resin and glass fibre again, saved cost.

After band is made and is finished; directly twine by spiral by Stetch Wrapping Machine; band is wrapped on punching block or the fiber reinforced plastic mold; nip roll during winding on the Stetch Wrapping Machine is pushed down band both sides tongue joint by its self-locking; surperficial felt with impregnated with resin is pressed on the snap close joint of both sides simultaneously; it is bonded together firmly, guarantee behind the resin solidification that the liner joint is water-tight, form the closely knit inside liner (Figure 1B) of pipeline.

A2: burning into sand of the present utility model strengthens the size that protective layer 2 can be regulated the burning into sand amount according to pipe ring rigidity; the material that burning into sand strengthens protective layer is that 20 ~ 80 purpose silica sands and unsaturated polyester resin or epoxy resin carry out premix, catches with the pocket emery cloth then and then twines (Fig. 1 C) by Stetch Wrapping Machine.

The intersection of outer winding protective layer of the present utility model is twined and one deck can be respectively twined in the hoop winding, also can twine multilayer, according to the hoop tensile strength and the axial tensile strength decision of different tube diameters.

Pipeline of the present utility model twines bellmouth, socket simultaneously in the processing of fixed length pipeline, be convenient to being connected of pipeline and pipeline.(Fig. 2) end of described pipeline, outer winding protective layer directly is wrapped on the mould bellmouth by intersecting to twine, and winding plastic reinforcement inside liner, burning into sand do not strengthen protective layer on the mould bellmouth.

And, the length of bellmouth and the same length of socket.So that bellmouth, socket can supportingly use.

Used resin, the glass fiber yarn of glass fibre reinforced plastics reinforcement burning into sand pipe of the present utility model can be carried out by reference standard GB/T21238-2007 " glass fiber reinforced plastic burning into sand pipe ".

The manufacturing equipment that the utility model uses is the common plastic extruder and the Wiring apparatus production line of glass reinforced plastic sand pipe.

A kind of glass fibre reinforced plastics reinforcement burning into sand pipe; comprise plastics reinforcement inside liner from the inside to the outside successively; burning into sand strengthens protective layer and outer winding protective layer; described burning into sand enhancing protective layer twines and is located on the described plastics reinforcement inside liner; described outer winding protective layer twines and is located on the described burning into sand enhancing protective layer; described plastics reinforcement inside liner is smooth by the front; the plastic strap of reverse side band muscle is formed; it is to be made by unsaturated polyester resin or epoxy resin and silica sand premix that burning into sand strengthens protective layer, and described outer winding protective layer is to soak into unsaturated polyester resin or epoxy resin is made by glass fiber.The both sides of described plastic strap have the tongue joint of self-locking mutually.

More than disclosed only be preferred embodiment of the present utility model; but be not to be used for limiting itself, anyly have the knack of those skilled in the art, under the situation of the utility model spirit; can think of variation, all should drop in the protection domain of the present utility model.

Claims

1. glass fibre reinforced plastics reinforcement burning into sand pipe; it is characterized in that; comprise successively that from the inside to the outside plastics reinforcement inside liner, burning into sand strengthen protective layer and outer winding protective layer; described burning into sand enhancing protective layer twines and is located on the described plastics reinforcement inside liner; described outer winding protective layer twines and is located on the burning into sand enhancing protective layer, and described plastics reinforcement inside liner plastic strap smooth by the front, reverse side band muscle is formed.

2. glass fibre reinforced plastics reinforcement burning into sand pipe as claimed in claim 1 is characterized in that, the both sides of described plastic strap have the tongue joint of self-locking mutually.