CN218116429U - Prestressed pipe fitting for improving crack resistance of concrete - Google Patents
Prestressed pipe fitting for improving crack resistance of concrete Download PDFInfo
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- CN218116429U CN218116429U CN202221957965.6U CN202221957965U CN218116429U CN 218116429 U CN218116429 U CN 218116429U CN 202221957965 U CN202221957965 U CN 202221957965U CN 218116429 U CN218116429 U CN 218116429U
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Abstract
The utility model discloses an improve prestressing force pipe fitting of concrete crack resistance nature, including the pipe fitting main part, concrete layer in the pipe fitting main part inner wall fixedly connected with, and interior concrete layer inner wall inlays and have the reinforcing bar ring, the thin steel cylinder of interior concrete layer outer wall fixedly connected with, and the outer concrete layer of thin steel cylinder outer wall fixedly connected with, the winding of outer concrete layer outer wall has the prestressed wire, and the prestressed wire outer wall has laid the mortar protective layer, mortar protective layer outer wall has scribbled the external coating. This improve pipe fitting main part of prestressed pipe fitting of concrete crack resistance can be consolidated through the reinforcing bar ring to the supporting effect can be strengthened through the netted concatenation supporting shoe of connecting between it, and it has the prestressing wire to inlay the winding on the outer concrete layer of the device inner wall, can further strengthen the prestressing force effect, prevents the fracture, and the double-deck parcel of pipe fitting main part outer wall has the outer coating of mortar protective layer and epoxy coal pitch material, covers the protection, further strengthens preventing the fracture.
Description
Technical Field
The utility model relates to a prestressing force pipe fitting technical field specifically is an improve prestressing force pipe fitting of concrete crack resistance nature.
Background
The self-stress concrete pipe is a concrete pipe which does not need to be tensioned to generate prestress. The construction is that annular prestressed reinforcements are arranged in the pipe wall, and then self-expanding concrete is poured. The concrete is hardened and expanded, and the annular prestressed reinforcements are outwards jacked, and the reaction force of the prestressed reinforcements on the concrete generates prestress.
In the prior art, CN202020976987.1 is a prestressed concrete pipe pile with a steel core, and through the arrangement of the prestressed concrete pipe pile body and the steel core, the shear strength and the bending strength of the pile body in the horizontal direction can be improved, and the compression strength and the strength of the pile body can be further improved, so as to be beneficial to prolonging the service life of the pile body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve concrete crack resistance's prestressing force pipe fitting to the crack resistance structure of the prior art scheme who mentions in solving above-mentioned background art is more single, the not good problem of anti crack effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve concrete crack resistance's prestressing force pipe fitting, includes the pipe fitting main part, pipe fitting main part one side fixedly connected with supports protects the frame, and pipe fitting main part inner wall has seted up the channel groove, concrete layer in the pipe fitting main part inner wall fixedly connected with, and the concrete layer inlayer inlays and have the reinforcing bar ring, interior concrete layer outer wall fixedly connected with thin steel cylinder, and the outer concrete layer of thin steel cylinder outer wall fixedly connected with, outer concrete layer outer wall winding has the prestressed wire, and the prestressed wire outer wall has laid the mortar protective layer, the external coating has been paintd to mortar protective layer outer wall.
Preferably, the support is protected the frame and is the annular distribution in pipe fitting main part one side, and supports and protect the frame and be the fretwork steel construction.
Preferably, the reinforcing bar ring is parallel with the interior concrete layer inner wall of equidistance and inlays the installation, and fixedly connected with concatenation supporting shoe between the reinforcing bar ring, the concatenation supporting shoe is netted steel construction.
Preferably, a receiving groove is formed in one end of the thin steel cylinder, an inserting block is fixedly connected to the other end of the thin steel cylinder, the pipe fitting main bodies are installed in the receiving groove in an inserting and splicing mode through the inserting block, fixing bolts are installed on the side face of the receiving groove, and the receiving groove is fixedly connected with the inserting block through the fixing bolts.
Preferably, the mortar protective layer and the outer coating are distributed in a double-layer wrapping manner on the outer concrete layer, and the outer coating is made of epoxy coal tar pitch.
Preferably, the prestressed steel wires are embedded, wound and connected with the outer wall of the outer concrete layer at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that: this improve pipe fitting main part of prestressed pipe fitting of concrete crack resistance can be consolidated through the reinforcing bar ring to the supporting effect can be strengthened through the netted concatenation supporting shoe of connecting between it, and it has the prestressing wire to inlay the winding on the outer concrete layer of the device inner wall, can further strengthen the prestressing force effect, prevents the fracture, and the double-deck parcel of pipe fitting main part outer wall has the outer coating of mortar protective layer and epoxy coal pitch material, covers the protection, further strengthens preventing the fracture.
Drawings
Fig. 1 is a front view of a prestressed pipe member for improving the crack resistance of concrete according to the present invention;
FIG. 2 is a cross-sectional view of a prestressed pipe for improving the crack resistance of concrete according to the present invention;
fig. 3 is a schematic view of the connection between the reinforcing ring and the splicing supporting block of the prestressed pipe for improving the crack resistance of concrete according to the present invention;
FIG. 4 is an enlarged view of the A part of FIG. 2 of the prestressed pipe for improving the crack resistance of concrete according to the present invention;
fig. 5 is the enlarged view of B in fig. 2 of the prestressed pipe for improving the crack resistance of concrete.
In the figure: 1. the concrete pipe comprises a pipe fitting main body, 2, a supporting and protecting frame, 3, an inner concrete layer, 4, a reinforcing ring, 5, a channel groove, 6, a thin steel cylinder, 7, a mortar protecting layer, 8, an outer concrete layer, 9, an outer coating, 10, a splicing supporting block, 11, a bearing groove, 12, a fixing bolt, 13, an insert block, 14 and a prestressed wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a prestressed pipe fitting for improving the crack resistance of concrete comprises a pipe fitting main body 1, a supporting frame 2, an inner concrete layer 3, a reinforcing steel ring 4, a channel groove 5, a thin steel cylinder 6, a mortar protective layer 7, an outer concrete layer 8, an outer coating 9, a splicing supporting block 10, a receiving groove 11, a fixing bolt 12, an insert 13 and a prestressed steel wire 14, wherein the supporting frame 2 is fixedly connected to one side of the pipe fitting main body 1, the channel groove 5 is formed in the inner wall of the pipe fitting main body 1, the supporting frame 2 is annularly distributed on one side of the pipe fitting main body 1, the supporting frame 2 is a hollow steel structure, so that the two ends of the supporting frame 2 can be conveniently supported and spliced and can be conveniently filled and poured and fixed, the inner concrete layer 3 is fixedly connected to the inner wall of the pipe fitting main body 1, the reinforcing steel ring 4 is embedded and fixed to the inner concrete layer 3 at equal intervals in parallel, the splicing supporting block 10 is fixedly connected between the reinforcing steel ring 4, the splicing supporting block 10 is a mesh-shaped reinforcing steel cylinder 3, so that the inner concrete layer 3 is connected to the outer wall of the thin steel cylinder 6, the receiving groove 11 is fixedly connected to the outer wall of the pipe fitting main body through the thin steel cylinder 11, and the connecting the thin steel cylinder 6, the receiving groove 13 is conveniently connected to the outer wall of the connecting pipe fitting main body, and the connecting groove 13, and mortar protective layer 7 has been laid to 14 outer walls of prestressed wire, mortar protective layer 7 and external coating 9 are double-deck parcel distribution in outer concrete layer 8, and external coating 9 is the epoxy coal pitch material, make mortar protective layer 7 and external coating 9 can be with 1 double-deck parcel of pipe fitting main part like this, the anti-crack effect of effectual enhancement, prestressed wire 14 is the equidistance in 8 outer walls of outer concrete layer and inlays the winding connection, make prestressed wire 14 can assist the reinforcing prestressing force like this, prevent to pull the fracture, external coating 9 has been paintd to 7 outer walls of mortar protective layer.
The working principle is as follows: when the prestressed pipe fitting for improving the crack resistance of concrete is used, the thin steel cylinder 6 of the device is firstly installed in a mould, then the pouring of an outer concrete layer 8 is carried out, prestressed steel wires 14 are embedded and wound on the outer wall of the outer concrete layer 8, then steel bar rings 4 are installed on the inner wall of the outer concrete layer 8, then an inner concrete layer 3 is poured, then a mortar protective layer 7 and an outer coating 9 are coated on the outer wall of the prestressed steel wires 14 in a wrapping mode, when concrete is hardened and expanded, reaction force can be generated under the connecting action of splicing supporting blocks 10 through the steel bar rings 4 which are distributed on the inner wall of the inner concrete layer 3 in an equidistant and annular mode, the prestressed steel wires 14 wound on the outer wall of the outer concrete layer 8 form prestress, expansion is relieved, then the mortar protective layer 7 on the outer wall and the outer coating 9 made of epoxy coal tar pitch form inward wrapping extrusion, expansion cracking is prevented, when the splicing and installation is needed, the splicing installation can be mutually inserted and spliced through bearing grooves 11 and inserting blocks 13, and are fixed through fixing bolts 12, then are supported and fixed through a supporting frame 2, then the outer wall of the supporting frame 2 is filled with concrete, and the installation is carried out.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an improve prestressing force pipe fitting of concrete crack resistance, includes pipe fitting main part (1), pipe fitting main part (1) one side fixedly connected with supports and protects frame (2), and pipe fitting main part (1) inner wall has seted up passway groove (5), its characterized in that: concrete layer (3) in pipe fitting main part (1) inner wall fixedly connected with, and interior concrete layer (3) inner wall inlays and have reinforcing bar ring (4), interior concrete layer (3) outer wall fixedly connected with Bao Gangtong (6), and thin steel cylinder (6) outer wall fixedly connected with outer concrete layer (8), outer concrete layer (8) outer wall winding has prestressing wire (14), and prestressing wire (14) outer wall has laid mortar protective layer (7), outer coating (9) have been paintd to mortar protective layer (7) outer wall.
2. The prestressed pipe for improving concrete crack resistance according to claim 1, characterized in that: the support protection frame (2) is annularly distributed on one side of the pipe fitting main body (1), and the support protection frame (2) is of a hollow steel structure.
3. The prestressed pipe for improving concrete crack resistance as recited in claim 2, wherein: the reinforcing bar ring (4) is parallel with interior concrete layer (3) inner wall and inlays the installation in equidistance, and fixedly connected with concatenation supporting shoe (10) between reinforcing bar ring (4), concatenation supporting shoe (10) are the reticular steel structure.
4. The prestressed pipe for improving concrete crack resistance as recited in claim 3, wherein: bao Gangtong (6) one end has been seted up and has been accepted groove (11), and thin steel cylinder (6) other end fixedly connected with inserted block (13), be the installation of inserting to close the concatenation through inserted block (13) between pipe fitting main part (1) in accepting groove (11), its accepting groove (11) side-mounting has fixing bolt (12), and accepts groove (11) and is bolt fixed connection through fixing bolt (12) and inserted block (13).
5. The prestressed pipe for improving concrete crack resistance according to claim 4, characterized in that: the mortar protective layer (7) and the outer coating (9) are distributed in a double-layer wrapping manner on the outer concrete layer (8), and the outer coating (9) is made of epoxy coal tar pitch.
6. The prestressed pipe for improving concrete crack resistance according to claim 5, wherein: prestressed wire (14) are the equidistance in outer concrete layer (8) outer wall and inlay the winding and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221957965.6U CN218116429U (en) | 2022-07-28 | 2022-07-28 | Prestressed pipe fitting for improving crack resistance of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221957965.6U CN218116429U (en) | 2022-07-28 | 2022-07-28 | Prestressed pipe fitting for improving crack resistance of concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218116429U true CN218116429U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221957965.6U Active CN218116429U (en) | 2022-07-28 | 2022-07-28 | Prestressed pipe fitting for improving crack resistance of concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218116429U (en) |
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2022
- 2022-07-28 CN CN202221957965.6U patent/CN218116429U/en active Active
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