CN2864284Y - Push bench of glass-fiber reinforced plastic sandwiched with sand - Google Patents
Push bench of glass-fiber reinforced plastic sandwiched with sand Download PDFInfo
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- CN2864284Y CN2864284Y CN 200620003722 CN200620003722U CN2864284Y CN 2864284 Y CN2864284 Y CN 2864284Y CN 200620003722 CN200620003722 CN 200620003722 CN 200620003722 U CN200620003722 U CN 200620003722U CN 2864284 Y CN2864284 Y CN 2864284Y
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- pipe
- fiber reinforced
- glass fiber
- sand
- reinforced steel
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Abstract
The utility model relates to a sand inclusion glass fiber reinforced plastics ceiling coil, including the pipe head, pipe body and pipe tail. The pipe body takes resin as the basal body, the glass fiber reinforced plastics as the reinforced material layer, the quartz sand or calcium carbonate as the filler layer; the pipe head and pipe tail take resin as the basal body and the glass fiber reinforced plastics as the reinforced material layer. The outer diameter of pipe head is less than that of the pipe body; the internal diameter of pipe tail exceeds that of the pipe body; the two sand inclusion glass fiber reinforced plastics ceiling coils connect with each other via the pipe head and pipe tail. This sort of sand inclusion glass fiber reinforced plastics ceiling coil resolves the problem of high cost for the existing glass fiber reinforced plastics ceiling coil with connection of steel ringer. In addition, by adding the reinforcing member inside the pipe wall, the capacity of the sand inclusion glass fiber reinforced plastics ceiling coil for bearing the propping force at the axial direction is enhanced.
Description
Technical field
The utility model relates to a kind of glass fiber reinforced steel push pipe with sand, the socket joint type glass fiber reinforced steel push pipe with sand that particularly a kind of municipal pipeline engineering is used.
Background technique
In the municipal pipeline laying project, dual mode is generally arranged now: a kind of is open heavy excavation, ground can be excavated comprehensively, the mutual sheathed connection of pipe is placed down, again backfill gets final product again, the pipe that this mode needs is prefabricated, does not bear pressure or top power when connection and laying, and it is comparatively simple and convenient to construct; Another kind of mode is when being subjected to concrete environmental limit, such as building etc., and can not adopt heavy excavation mode tubing, can only dig working pit in advance, when the working pit operation, with one section one section on pipe underground certain depth location forward jacking pass, this operating environment needs the end of pipe to be provided with the push pipe part, the connection between the pipe is tightly connected by the collar.
Glass fiber reinforced steel push pipe with sand is as a kind of novel composite material pipeline, has light weight, high-strength, corrosion-resistant, characteristics such as the life-span is long, now is widely used in the pipe-jacking project.The glass fiber reinforced steel push pipe with sand of prior art generally is made up of tube head, pipe shaft and pipe tail, and wherein tube head, pipe tail connect by the collar when construction, and pipe shaft adopts layer of fibers and silica sand or calcium carbonate layer structure, and tube head and pipe tail adopt fiber layer structure.In said structure, the layer of fibers of pipe shaft and silica sand or calcium carbonate layer structure are mainly used in the hoop rigidity that provides required, and reduce production costs, and the fiber layer structure that tube head and pipe tail adopt is mainly used in axial strength required when jacking is provided.
In order to interconnect, existing push pipe is provided with concave station at its two ends, is provided with steel collar in concave station, by steel collar two adjacent push pipes is connected.The problem that this ways of connecting exists is to need extra steel collar, increases cost.
In addition, the layer of fibers of glass fiber reinforced steel push pipe with sand generally by the glass fiber cloth that is soaked with resin or cellosilk from level to level coiling form, since the layer with layer between be by resin be the matrix gluing together, under loading, interlayer exists the trend of layering, can not bear bigger axial jacking intensity, limit single jacking length.
The model utility content
The problem that the purpose of this utility model is the high problem of the cost of the existing glass fibre reinforced plastics push pipe employing of solution steel collar connection existence and existing glass fibre reinforced plastics push pipe can not bear sufficiently high axial top power.
To achieve these goals, the utility model provides a kind of glass fiber reinforced steel push pipe with sand, it comprises tube head, pipe shaft and pipe tail, and pipe shaft is a matrix with the resin, is layers of reinforcement with the glass fibre, with silica sand or calcium carbonate is packing layer, tube head and pipe tail are matrix with the resin, are layers of reinforcement with the glass fibre, and the external diameter of described tube head is less than the pipe shaft external diameter, the internal diameter of described pipe tail can be by described tube head and the mutual socket of pipe tail between two glass fiber reinforced steel push pipe with sand greater than tube body diameter.
In order to increase axial jacking intensity, in the tube wall of described tube head and/or pipe tail, be provided with reinforcer.This reinforcer can extend to the pipe shaft part or extend to the pipe tail from tube head from described tube head and/or pipe tail.One or more layers metal shielding that described reinforcer is provided with continuously for hoop in axial direction or one or more layers metal reinforcing of being provided with at interval of hoop in axial direction.Described metal shielding is wire netting, sheet metal or the sheet metal that is provided with a plurality of through holes, and described metal reinforcing is metal tube or tinsel.At perforated metal plate or non-perforated metal plate surface plucking or teeth groove structure are set, form rough and uneven in surface surface, with the adhesive strength of increase and resin and glass fibre.In order to increase the sealing that connects between push pipe, be provided with the one or more grooves that are used for sheathed rubber seal at the tube wall of described tube head and/or pipe tail.Described rubber seal can be wedge type rubber seal or ellipse hydro-expansive rubber seal ring.In addition, in described tube head/or the pipe tail tube wall also can be provided with the one or more injected holes that are used for the slip casting drag reduction.
Advantage of the present utility model is:
1, saved steel collar;
2, by reinforcer is set, can increase jacking intensity greatly in tube wall, be suitable for long-distance pipe jacking, in engineering, can significantly reduce the number of working pit.
Below in conjunction with accompanying drawing the utility model is done explanation in further detail.
Description of drawings
Fig. 1 is the utility model glass fiber reinforced steel push pipe with sand generalized section;
Fig. 2 is the another kind of glass fiber reinforced steel push pipe with sand connection diagram of the utility model;
Fig. 3 is the tube head generalized section of the utility model tool reinforcer;
Fig. 4 is the pipe tail generalized section of the utility model tool reinforcer;
Fig. 5 is the glass fiber reinforced steel push pipe with sand schematic cross-section that the utlity model has metal shielding;
Fig. 6 is the glass fiber reinforced steel push pipe with sand schematic cross-section that the utlity model has the tinsel stiffening rib;
Fig. 7 is the glass fiber reinforced steel push pipe with sand schematic cross-section that the utlity model has the metal tube stiffening rib;
Fig. 8 is the structural representation of the utility model wire netting;
Fig. 9 is the structural representation of the utility model sheet metal;
Figure 10 is provided with the structural representation of the sheet metal of a plurality of through holes for the utility model.
Embodiment
Referring to Fig. 1, be the utility model glass fiber reinforced steel push pipe with sand generalized section, this glass fiber reinforced steel push pipe with sand comprises tube head 1, pipe shaft 2 and pipe tail 3, pipe shaft 2 is a matrix with the resin, with the glass fibre is layers of reinforcement 4, with silica sand or calcium carbonate is packing layer 5, and tube head 1 and pipe tail 3 are matrix with the resin, are layers of reinforcement 4 with the glass fibre.The external diameter of tube head 1 is less than the external diameter of pipe shaft 2, and the internal diameter of pipe tail 3 is greater than the internal diameter of pipe shaft 2, the tube head 1 of adjacent two push pipes and the socket mutually of pipe tail 3 during construction, and having saved existing glass fiber reinforced steel push pipe with sand must not obsolete steel collar, has reduced cost of production.Bear the less pipe shaft of jacking intensity 2 on the unit area cross section packing layer 5 is set, both can increase radially anti-pressure ability, also can reduce production costs, wherein the setting of the number of plies of packing layer 5 and thickness can be adjusted according to project situation.
Referring to Fig. 2, the another kind of glass fiber reinforced steel push pipe with sand that provides for the utility model, its structure is similar to Fig. 1's, just the external diameter of the tube head of glass fiber reinforced steel push pipe with sand A and pipe tail is all less than the external diameter of pipe shaft, and the internal diameter of the tube head of glass fiber reinforced steel push pipe with sand B and pipe tail is all greater than the internal diameter of pipe shaft, also can and manage the mutual socket of tail between glass fiber reinforced steel push pipe with sand A, B, thereby also can save steel collar by its tube head.
In order to increase the axial jacking intensity of glass fiber reinforced steel push pipe with sand, in tube head 1 and pipe tail 3 tube walls, can be provided with reinforcer 6, as shown in Figure 3 and Figure 4.Also can only be provided with reinforcer 6 according to project situation at tube head or pipe tail.Be provided with the push pipe of reinforcer 6, when single jacking length is long, top power skewness or when rectifying a deviation operation, bigger flexural stress can be born by reinforcer, can not cause glass fiber reinforced steel push pipe with sand damage to occur.In order further to increase the glass fiber reinforced steel push pipe with sand axial strength, also reinforcer 6 can be extended to pipe shaft 2 positions, or reinforcer 6 be one, extend to from tube head 1 always and manage tail 3 (not shown).
With reference to figure 5, the reinforcer 6 of the utility model glass fiber reinforced steel push pipe with sand can be metal shielding 61, and it is provided with continuously along push pipe axial direction hoop, according to requirement of engineering, one or more layers can be set.The metal shielding 61 that hoop is provided with continuously increases push pipe radially anti-pressure ability and axial jacking intensity simultaneously.Again with reference to figure 6 and 7, the reinforcer 6 of the utility model glass fiber reinforced steel push pipe with sand also can be tinsel stiffening rib 62 or the metal tube stiffening rib 63 that hoop in axial direction is provided with at interval.Tinsel stiffening rib 62 or metal tube stiffening rib 63 mainly are the axial jacking intensity of improving push pipe.When the pipe shaft 2 that constitutes at reinforced plastic glass fibre layer 4 and packing layer 5 can reach the required compressive strength of engineering, can only adopt stiffening rib to improve the axial jacking intensity of push pipe, can reduce production costs like this.Equally, can be according to the construction needs, that selects tinsel stiffening rib 62 and metal tube stiffening rib 63 is provided with the number of plies and density.
The structure of the metal shielding 61 that the utility model adopts can be wire netting, sheet metal or is provided with the sheet metal of a plurality of through holes, respectively shown in Fig. 8,9 and 10.The sheet metal that adopts wire netting or be provided with a plurality of through holes both can have been saved the consumption of metallic material, also can increase combining of resin and glass fibre in metal shielding and the push pipe.In order further to increase combining of other composition in metal shielding and the push pipe, at sheet metal or the surface that is provided with the sheet metal of a plurality of through holes plucking or teeth groove structure can be set, to form scraggly surface.Reinforcer 6 preferred steel materials wherein.
Sealing when connecting in order to increase push pipe is provided with the one or more grooves that are used for sheathed rubber seal at tube head 1 and/or pipe tail 3 tube walls.Rubber seal can adopt wedge type rubber seal or ellipse hydro-expansive rubber seal ring.When the utility model glass fiber reinforced steel push pipe with sand connects, sheathed rubber seal in groove earlier, the push pipe tube wall compressing rubber seal by socket seals the slit between the tube head pipe tail then, prevents leaking outside of liquid in the push pipe.In order to reduce outer wall in the push pipe jack-in process and the surface friction drag between the soil horizon, can in the outer wall of tube head pipe tail, be provided with the one or more injected hole (not shown)s that are used for the slip casting drag reduction.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characteristics is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.
Claims (10)
1, a kind of glass fiber reinforced steel push pipe with sand, comprise tube head, pipe shaft and pipe tail, pipe shaft is matrix with the resin, with the glass fibre is layers of reinforcement, is packing layer with silica sand or calcium carbonate, and tube head and pipe tail are matrix with the resin, with the glass fibre is layers of reinforcement, it is characterized in that: the external diameter of described tube head is less than the pipe shaft external diameter, and the internal diameter of described pipe tail can be by described tube head and the mutual socket of pipe tail between two glass fiber reinforced steel push pipe with sand greater than tube body diameter.
2, glass fiber reinforced steel push pipe with sand according to claim 1 is characterized in that: be provided with reinforcer in the tube wall of described tube head and/or pipe tail.
3, glass fiber reinforced steel push pipe with sand according to claim 2 is characterized in that: the reinforcer of described tube head and/or pipe tail extends to the pipe shaft part.
4, glass fiber reinforced steel push pipe with sand according to claim 2 is characterized in that: described reinforcer extends to the pipe tail from tube head.
5, according to claim 2,3 or 4 described glass fiber reinforced steel push pipe with sand, it is characterized in that: described reinforcer is one or more layers metal shielding of the continuous setting of hoop in axial direction.
6, glass fiber reinforced steel push pipe with sand according to claim 5 is characterized in that: described metal shielding is wire netting or sheet metal.
7, glass fiber reinforced steel push pipe with sand according to claim 6 is characterized in that: described sheet metal is provided with a plurality of through holes.
8, glass fiber reinforced steel push pipe with sand according to claim 6 is characterized in that: described sheet metal has plucking or teeth groove structure.
9, according to claim 2,3 or 4 described glass fiber reinforced steel push pipe with sand, it is characterized in that: one or more layers metal reinforcing that described reinforcer is provided with at interval for hoop in axial direction.
10, glass fiber reinforced steel push pipe with sand according to claim 9 is characterized in that: described metal reinforcing is metal tube or tinsel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620003722 CN2864284Y (en) | 2006-02-22 | 2006-02-22 | Push bench of glass-fiber reinforced plastic sandwiched with sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620003722 CN2864284Y (en) | 2006-02-22 | 2006-02-22 | Push bench of glass-fiber reinforced plastic sandwiched with sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864284Y true CN2864284Y (en) | 2007-01-31 |
Family
ID=37676735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620003722 Expired - Fee Related CN2864284Y (en) | 2006-02-22 | 2006-02-22 | Push bench of glass-fiber reinforced plastic sandwiched with sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864284Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427376A (en) * | 2013-08-09 | 2013-12-04 | 山东中玻管业有限公司 | Production process of sand inclusion steel-plastic composite cable duct |
-
2006
- 2006-02-22 CN CN 200620003722 patent/CN2864284Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427376A (en) * | 2013-08-09 | 2013-12-04 | 山东中玻管业有限公司 | Production process of sand inclusion steel-plastic composite cable duct |
| CN103427376B (en) * | 2013-08-09 | 2016-06-29 | 山东中玻管业有限公司 | A kind of production technology of sand inclusion steel-plastic composite cable duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 Termination date: 20140222 |