CN102466091A - Centrifugal casting fiber reinforced composite material jacking pipe - Google Patents
Centrifugal casting fiber reinforced composite material jacking pipe Download PDFInfo
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- CN102466091A CN102466091A CN2010105419418A CN201010541941A CN102466091A CN 102466091 A CN102466091 A CN 102466091A CN 2010105419418 A CN2010105419418 A CN 2010105419418A CN 201010541941 A CN201010541941 A CN 201010541941A CN 102466091 A CN102466091 A CN 102466091A
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Abstract
The invention relates to a centrifugal casting fiber reinforced composite material jacking pipe. The invention aims to make the jacking pipe have corrosion resistance, light weight and an obvious resistance-reducing effect. The centrifugal casting fiber reinforced composite material jacking pipe comprises a pipe body and connecting end parts arranged at two ends of the pipe body, wherein the pipe body structure consists of resin serving as a matrix, quartz sand serving as a filler and a glass fiber winding yarn serving as a reinforcing material; the connecting end parts consisting of pure fiber layers or semi-pure fiber semi-quartz sand mortar layers are arranged at two ends of the pipe body; and a plurality of injected holes are formed in one connecting end part. The centrifugal casting fiber reinforced composite material jacking pipe is particularly applicable to the construction occasion under the condition that the surface soil cannot be excavated.
Description
Technical field
The present invention relates to a kind ofly give, widely used pipeline in the draining field; Mainly apply under the condition that can not excavate surface layer soil; Directly highway crossing, railway, rivers, above ground structure and various underground structure are the glass fibre reinforced plastics slip casting formula push pipes that can be applicable under the various severe environmental conditions.
Background technique
Existing push pipe material is mainly: steel push pipe, reinforced concrete push pipe.The steel push pipe in use exists corrosion-resistant, the shortcoming that working life is short; The reinforced concrete push pipe in use; Because the shortcoming of the ability that the tube wall quality is big, be prone to fouling, press in bearing; Also must inside and outside carry out preservative treatment, thereby increased surperficial surface friction drag, so the top power that in jack-in process, needs is very big; And one time jacking length is very limited, and the utmost point is suitable to be passed through like river, river, large size ground building and various underground large size structure etc.
This shows existing push pipe material corrosion-resistant, big, the easy fouling of weight.Also there are problems such as easy-to-rust breaking releasing, working life weak point, difficult jacking in the tradition Placement.
Summary of the invention:
For this reason, technical problem to be solved by this invention is to propose a kind of corrosion-resistant, light weight; Drag-reduction effect is obvious, is prone to jacking, a jacking distance; Inside and outside wall is smooth, and the internal flow resistance is little, the spun casting fibre reinforced composites push pipe that outside surface friction drag is little.
For realizing above-mentioned purpose; Spun casting fibre reinforced composites push pipe of the present invention comprises pipe shaft and the end that is connected that is arranged on said pipe shaft two ends, and wherein the pipe shaft structure is by being matrix with the resin; Silica sand is filler, and it is that reinforcing material constitutes that glass fibre twines yarn; The pipe shaft two ends are provided with the connection end of being made up of pure layer of fibers or half pure fiber half silica sand screed, and one of them connects the end and is provided with several injected holes.
Wherein, can be equipped with seal groove at the side face of said connection end.
In addition; Joint at two pipelines; Be tightly connected through steel collar and the seal ring that is arranged in the said seal groove, and adopt bayonet joint between said connection end and the said steel collar, in the seal groove at two ends, respectively be provided with seal ring; Between the inner peripheral surface of said steel collar and the said outer circumferential face that is connected the end that is provided with said injected hole, form a ring-like space of slip casting drag reduction that is communicated with said injected hole.
Adopted in the said connection end that is provided with said injected hole seal ring be wedge type cross section rubber seal, and connect the hydro-expansive rubber seal ring that elliptic cross-section is adopted in end at another.
Technique scheme of the present invention is compared existing technology and had the following advantages: liner plays anticorrosion, antiseepage effect, and construction layer has effectively ensured the strength and stiffness of pipeline; The existence of external protection strengthens anti-aging, corrosion-resistant, as to reduce the surface friction drag of pipeline and soil effect greatly.The present invention is distributed in maximum internal layer and the skin of stress by bending to the big fiber winding layer of intensity, is the mode of structure of very economical rationality.
In addition:
1. in light weight (be concrete duct 1/10, steel pipe 1/4), to foundation situation and lifting, to manage the facility requirement down low, easy construction, quick.
2. owing in light weight, avoided the generation of the uneven settlement phenomenon of whole piece pipeline, added that top power requires reasons such as little, pipeline is rectified a deviation than being easier to.
3. inner wall smooth, flow is big, under the situation that flow is confirmed, can select the pipeline than little 1 to 2 the caliber grade of other tubing for use, and expense can reduce greatly.
4. smooth in appearance, the cohesive force of soil is minimum to the effect that this pipeline produces, and does not exist to embrace pipe, extremely manage phenomenon, and single jacking length is long, and is low to the jacking equipment requirements.
5. spun casting fibre reinforced composites push pipe joint adopts " F " type joint, and by front and back pipe end, steel collar, wedge type rubber seal, hydro-expansive rubber seal ring, be used for the drag reduction hole of slip casting, the ring-like headspace of slip casting drag reduction is formed.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is that the pipeline configuration of spun casting fibre reinforced composites push pipe of the present invention partly cuts open schematic representation;
Fig. 2 is the sectional view that the left side connects the amplification of end among Fig. 1;
Fig. 3 is the sectional view of the amplification of right side connecting end portion among Fig. 1;
Fig. 4 is a spun casting fibre reinforced composites push pipe installation diagram of the present invention.
Embodiment
Referring to Fig. 1; Spun casting fibre reinforced composites push pipe of the present invention; Comprise pipe shaft 1 and the end that is connected that is arranged on said pipe shaft 1 two ends, the structure of pipe shaft 1 is respectively from inside to outside: be the inside liner, glass fibre of matrix with the resin as the inside winding layer of reinforcing material, be the quartz mortar layer, glass fibre of filler outside winding layer and the outer protection layer as reinforcing material; Pipe shaft 1 two ends are provided with the connection end that is formed by pure layer of fibers coiling, and wherein the connection end in left side is provided with three injected holes 8.Referring to Fig. 2, wherein shown a said injected hole 8.
Referring to Fig. 2 and Fig. 3, on each said connection end at said pipe shaft 1 two ends, along being respectively equipped with seal groove 2 and 3 on the circumferential surface of said connection end.
In work progress; Be accompanied by push pipe by along the direction jacking shown in the arrow among Fig. 1,, said slurry overflowed outside said injected hole 8 through said injected hole 8 slurry bodies of side direction in the said push pipe; Form the lubricating layer between said pipe shaft 1 outer circumferential face and the soil; Can reduce the surface friction drag of pipeline outer wall and soil thus greatly, realize the jacking distance one time, the characteristics that active well quantity is few, operating expenses is low than other tubing.
Referring to Fig. 4,, be tightly connected through steel collar 6 and the seal ring that is arranged in the said seal groove, and adopt bayonet joint between said connection end and the said steel collar 6 in the joint of two pipelines.In the drawings, in the seal groove 3 of connection end, the right side of left side push pipe the hydro-expansive rubber seal ring 4 of elliptic cross-section is set, and in the seal groove 2 of connection end, the left side of right side push pipe, wedge type cross section rubber seal 5 is set.The inboard of said steel collar 6 is connected the ring-like space 7 of slip casting drag reduction that formation is communicated with said injected hole 8 between the outer circumferential face of end with the left side of right side push pipe.
Like this; In work progress; Between the push pipe that links to each other through being arranged on the said hydro-expansive rubber seal ring 4 that connects between end outer circumferential face and the said steel collar 6 and the double sealing of said wedge type cross section rubber seal 5; Realize being tightly connected between the push pipe; And after said push pipe connected, the said injected hole 8 on the connection end of participating in connecting still can be through the ring-like space 7 of the slip casting drag reduction between the inboard that is formed on said connection end outer circumferential face and said steel collar 6 to the outer circumferential face of corresponding push pipe and the lubricating layer between the soil.After construction accomplished, be trapped in and after said slurry in the ring-like space 7 of said slip casting drag reduction solidifies said injected hole 8 be sealed shut.
As a kind of alternative form, the said connection end of the push pipe in the foregoing description can replace to the structure that adopts half pure fiber half silica sand screed.Adopt such structure can further improve the intensity of push pipe, working method and effect in the construction are same as the previously described embodiments.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to mode of execution of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all mode of executions.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (4)
1. a spun casting fibre reinforced composites push pipe comprises pipe shaft and the end that is connected that is arranged on said pipe shaft two ends, and it is characterized in that: the pipe shaft structure is by being matrix with the resin, and silica sand is filler, and it is that reinforcing material constitutes that glass fibre twines yarn; The pipe shaft two ends are provided with the connection end of being made up of pure layer of fibers or half pure fiber half silica sand screed, and one of them connects the end and is provided with several injected holes.
2. spun casting fibre reinforced composites push pipe according to claim 1 is characterized in that: the side face in said connection end is equipped with seal groove.
3. spun casting fibre reinforced composites push pipe according to claim 2; It is characterized in that: the connection of two pipelines is to be tightly connected through steel collar and the seal ring that is arranged in the said seal groove; And adopt bayonet joint between said connection end and the said steel collar; In the seal groove at two ends, respectively be provided with seal ring; Between the inner peripheral surface of said steel collar and the said outer circumferential face that is connected the end that is provided with said injected hole, form a ring-like space of slip casting drag reduction that is communicated with said injected hole.
4. spun casting fibre reinforced composites push pipe according to claim 3; It is characterized in that: adopted in the said connection end that is provided with said injected hole seal ring be wedge type cross section rubber seal, and connect the hydro-expansive rubber seal ring that elliptic cross-section is adopted in end at another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105419418A CN102466091A (en) | 2010-11-02 | 2010-11-02 | Centrifugal casting fiber reinforced composite material jacking pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105419418A CN102466091A (en) | 2010-11-02 | 2010-11-02 | Centrifugal casting fiber reinforced composite material jacking pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102466091A true CN102466091A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105419418A Pending CN102466091A (en) | 2010-11-02 | 2010-11-02 | Centrifugal casting fiber reinforced composite material jacking pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975133A (en) * | 2017-03-21 | 2017-07-25 | 黄宏辉 | Novel cannula laryngeal mask |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139025A (en) * | 1976-07-02 | 1979-02-13 | Hobas Engineering Ag | Glass fiber reinforced pipe |
| JP2003287161A (en) * | 2002-03-28 | 2003-10-10 | Kurimoto Ltd | Fiber reinforced plastic composite tube and its molding method |
| CN2791426Y (en) * | 2004-05-26 | 2006-06-28 | 新疆永昌复合材料股份有限公司 | Centrifugal casted glass-steel sli-casting type push pipe |
| CN1991225A (en) * | 2005-12-31 | 2007-07-04 | 陕西竞业玻璃钢有限公司 | Glass fibre reinforced plastic sand inclusion push-pipe |
| CN200968449Y (en) * | 2006-11-13 | 2007-10-31 | 沙垣 | Glass fiber reinforced steel sand inclusion pipe and jacking pipe with axial direction fiber |
| CN101799091A (en) * | 2009-02-06 | 2010-08-11 | 周永清 | Socket fiber reinforced composite push pipe |
| CN201851797U (en) * | 2010-11-02 | 2011-06-01 | 周永清 | Centrifugal casting fiber reinforced composite push pipe |
-
2010
- 2010-11-02 CN CN2010105419418A patent/CN102466091A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139025A (en) * | 1976-07-02 | 1979-02-13 | Hobas Engineering Ag | Glass fiber reinforced pipe |
| JP2003287161A (en) * | 2002-03-28 | 2003-10-10 | Kurimoto Ltd | Fiber reinforced plastic composite tube and its molding method |
| CN2791426Y (en) * | 2004-05-26 | 2006-06-28 | 新疆永昌复合材料股份有限公司 | Centrifugal casted glass-steel sli-casting type push pipe |
| CN1991225A (en) * | 2005-12-31 | 2007-07-04 | 陕西竞业玻璃钢有限公司 | Glass fibre reinforced plastic sand inclusion push-pipe |
| CN200968449Y (en) * | 2006-11-13 | 2007-10-31 | 沙垣 | Glass fiber reinforced steel sand inclusion pipe and jacking pipe with axial direction fiber |
| CN101799091A (en) * | 2009-02-06 | 2010-08-11 | 周永清 | Socket fiber reinforced composite push pipe |
| CN201851797U (en) * | 2010-11-02 | 2011-06-01 | 周永清 | Centrifugal casting fiber reinforced composite push pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975133A (en) * | 2017-03-21 | 2017-07-25 | 黄宏辉 | Novel cannula laryngeal mask |
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Application publication date: 20120523 |