CN216590457U - PCCP antidetonation connects - Google Patents
PCCP antidetonation connects Download PDFInfo
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- CN216590457U CN216590457U CN202220140264.7U CN202220140264U CN216590457U CN 216590457 U CN216590457 U CN 216590457U CN 202220140264 U CN202220140264 U CN 202220140264U CN 216590457 U CN216590457 U CN 216590457U
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Abstract
The utility model discloses a PCCP antidetonation connects, this antidetonation connects the main pipe body that includes the level setting, the cover is equipped with the sleeve on the lateral wall of main pipe body one end, the sleeve extends to the main pipe body outside and is located the sleeve interpolation of the main pipe body outside and is equipped with and is responsible for the regulating tube that the body pipe diameter is unanimous, the regulating tube is kept away from the one end of the main pipe body and is extended to the telescopic outside, the regulating tube tip that is located the sleeve outside is installed first and is accepted the head, the main pipe body is kept away from the tip of sleeve one end and is installed the second and accept the head. The utility model discloses a set up and be responsible for body and control tube to establish the sleeve at being responsible for the body and the control tube outside cover, make the sleeve can resist this antidetonation to a certain extent and connect the deformation that takes place at the axial direction, simultaneously, this sleeve can also resist the settlement deformation that this antidetonation connects the emergence in the certain limit.
Description
Technical Field
The utility model relates to a PCCP installs technical field, especially relates to a PCCP antidetonation connects.
Background
A prestressed steel cylinder concrete pipe (PCCP) is a nonmetal-metal composite pipe which is formed by embedding a steel cylinder body in a concrete pipe core, winding prestressed high-strength steel wires outside the concrete pipe core and then arranging a protective layer on the surface layer of the concrete pipe core, wherein the arranged coating is a mixture of cement mortar and asphalt. The PCCP has high strength and can bear high working pressure, and meanwhile, the PCCP also has good water tightness, impermeability, wear resistance and corrosion resistance, so that the PCCP is very suitable for manufacturing large-diameter pressure pipes, and can meet the requirements of urban water diversion projects, water supply systems, circulating water pipelines of large thermal power plants and nuclear power plants and large drainage and sewage pipeline projects, and the PCCP becomes a widely used composite pipe.
The PCCP is usually in a double-rubber-ring socket joint mode in the installation process, but in some developing countries, local workers have low construction efficiency and poor skills, local managers require the workers to adopt a welding mode to fold the PCCP, the PCCP is connected in a rigid mode through the welding connection mode, the PCCP lacks anti-seismic performance, and the leakage phenomenon is easy to occur at the connection position of the PCCP in some areas with frequent earthquakes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a PCCP antidetonation connects to solve the problem that the pipeline that present PCCP welding leads to lacks anti-seismic performance.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a PCCP antidetonation connects, this antidetonation connects the main pipe body that includes the level setting, the cover is equipped with the sleeve on the lateral wall of main pipe body one end, the sleeve extends to the main pipe body outside and is located the sleeve interpolation that is responsible for the body outside and is equipped with the governing pipe unanimous with main pipe body pipe diameter, the one end that the governing pipe kept away from the main pipe body extends to the telescopic outside, the governing pipe tip that is located the sleeve outside is installed first and is accepted the head, the main pipe body is kept away from the tip of sleeve one end and is installed the second and accept the head.
Preferably, the main pipe body comprises a first pipe body and a second pipe body, the second pipe body is arranged close to the sleeve, and a spherical joint which particularly resists deformation of the first pipe body or the second pipe body is arranged between the first pipe body and the second pipe body.
Preferably, the ball joint comprises a connecting pipe, and the first pipe body and the second pipe body are arranged in the connecting pipeAll diameters are L1The inner diameter of the connecting pipe is L2，L2And L1The relationship between is L2＞L1The first sleeve ring is fixedly connected between the first pipe body and the connecting pipe, the first sleeve ring is fixedly connected to the outer side wall of the first pipe body, the second sleeve ring is fixedly connected to the bottom of one end, away from the first pipe body, of the connecting pipe, and the first arc-shaped pipe is fixedly connected between the first sleeve ring and the second sleeve ring; the bottom of the second lantern ring is arranged at a distance from the top surface of the end of the second lantern ring, which is close to one end of the second lantern ring, is fixedly connected with a second arc tube, the second arc tube is arranged below the second arc tube, the end of the second arc tube is arranged at a distance from the first lantern ring, the longitudinal sections of the first arc tube and the second arc tube are both arc-shaped, and the first arc tube and the second arc tube are connected in a sealing mode through sealing rings.
Preferably, the second pipe body and the adjusting pipe are arranged at intervals, an O-shaped rubber ring is filled between the outer side wall of the second pipe body and the sleeve in an interference mode, and an O-shaped rubber ring is filled between the outer side wall of the adjusting pipe and the sleeve in an interference mode.
Preferably, a wedge-shaped rubber ring is filled between the outer side wall of the pipe body and the sleeve in an interference mode, and a wedge-shaped rubber ring is also filled between the outer side wall of the adjusting pipe and the sleeve in an interference mode.
Preferably, a manhole communicated with the pipe body is installed on the pipe body I.
Preferably, the first adapting head and the second adapting head have the same structure, the second adapting head comprises an adapting pipe sleeved on an adjusting pipe, the adapting pipe is connected to the adjusting pipe in a sliding mode, the end part, far away from one end of the adjusting pipe, of the adapting pipe is provided with a bell mouth, one end, far away from the bell mouth, of the adapting pipe is fixedly connected with a first flange plate, the first flange plate is sleeved on the adjusting pipe, far away from one end of the adapting pipe, of the first flange plate, a second flange plate is further sleeved on the adjusting pipe, a sealing rubber ring is sleeved on the adjusting pipe between the first flange plate and the second flange plate, and the first flange plate and the second flange plate are fixedly connected through bolts.
Preferably, the outer side walls of the sleeve and the manhole are provided with coatings, the outer side walls of the first pipe body and the second pipe body between the first receiving head and the second receiving head are also provided with coatings, the inner side walls of the first pipe body, the second pipe body and the second tile are also provided with coatings, and the inner diameters of the first pipe body, the second pipe body and the adjusting pipe are uniform after the coatings are arranged.
Preferably, the lower part of the second flange plate, which is close to one side of the sealing rubber ring, is provided with a guide surface which is obliquely arranged along the circumferential direction.
The utility model discloses the beneficial effect who has does: (1) the utility model has the advantages that the main pipe body and the adjusting pipe are arranged, and the sleeve is sleeved outside the main pipe body and the adjusting pipe, so that the sleeve can resist the deformation of the anti-seismic joint in the axial direction to a certain extent, and meanwhile, the sleeve can resist the settlement deformation of the anti-seismic joint in a certain range; (2) the length of the adjusting pipe of the utility model can be adjusted according to the actual requirement, so that the anti-seismic joint has a certain folding function; (3) make this antidetonation connect can resist its deformation that takes place except other directions of axial deformation outer pipeline to a certain extent through setting up ball joint. In general, the anti-seismic joint can resist deformation of the pipeline in all directions caused by earthquakes, effectively ensures the safety of the PCCP, and reduces damage caused by the earthquakes to a certain extent.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection relationship between the sleeve and the adjusting tube and between the second receiving head and the second receiving head;
fig. 3 is a schematic view of the connection relationship between the ball joint and the first and second pipe bodies.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a PCCP antidetonation connects, as shown in fig. 1 and fig. 2, this antidetonation connects including the main pipe body 1 of level setting, the cover is equipped with sleeve 2 on the lateral wall of main pipe body 1 one end, sleeve 2 extends to the main pipe body 1 outside and is located the sleeve 2 interpolation in the main pipe body 1 outside and is equipped with the regulating tube 3 unanimous with main pipe body 1 pipe diameter, the length of regulating tube 3 does not do specific restriction here, its length can be selected according to the scene, the one end that the regulating tube 3 kept away from main pipe body 1 extends to the outside of sleeve 2, the regulating tube 3 tip that is located the sleeve 2 outside is installed first accepting head 15, main pipe body 1 keeps away from the tip of sleeve 2 one end and installs second accepting head 16. During the use, the PCCPs with the sockets are arranged at the two ends of the anti-seismic joint, the adjusting pipe 3 with the proper length is selected according to the distance between one end, close to the adjusting pipe 3, of the main pipe body 1 and the distance between the PCCPs with the sockets, then the main pipe body 1 and the adjusting pipe 3 are placed to be installed, then the sleeve 2 is sleeved on the main pipe body 1, the adjusting pipe 3 is inserted into the sleeve 2, therefore, the connection between the main pipe body 1 and the adjusting pipe 3 is achieved, and finally, the PCCP end portions at the two ends of the anti-seismic joint are inserted into or welded with the first receiving head 15 and the second receiving head 16, and the connection between the anti-seismic joint and the PCCPs at the two ends is achieved. The sleeve 2 is arranged so that the anti-seismic joint can resist deformation of the anti-seismic joint in the axial direction and a certain range of settlement of the anti-seismic joint; meanwhile, the length of the adjusting pipe 3 can be adjusted according to the field situation, so that the anti-seismic joint has the function of pipeline folding.
Further, as shown in fig. 1, the main pipe body 1 includes a first pipe body 4 and a second pipe body 5, the second pipe body 5 is disposed near the sleeve 2, and a spherical joint which specifically resists deformation of the first pipe body 4 or the second pipe body 5 is installed between the first pipe body 4 and the second pipe body 5. The ball joint is capable of resisting deformation of the anti-seismic joint in other directions except axial deformation.
Specifically, as shown in fig. 1 and 3, the ball joint includes a connecting pipe 6, and the inner diameters of the first pipe 4 and the second pipe 5 are both L1The inner diameter of the connecting pipe 6 is L2，L2And L1The relationship between is L2＞L1A first lantern ring 7 is fixedly connected between the first pipe body 4 and the connecting pipe 6, the first lantern ring 7 is fixedly connected to the outer side wall of the first pipe body 4, a second lantern ring 8 is fixedly connected to the bottom of one end, away from the first pipe body 4, of the connecting pipe 6, and a first arc-shaped pipe 9 is fixedly connected between the first lantern ring 7 and the second lantern ring 8; the bottom of the second 8 of lantern rings is arranged at intervals with the top surface of the end part of the second 5 of lantern rings, close to one end of the second 8 of lantern rings, is fixedly connected with the second 10 of arc-shaped pipe, the second 10 of arc-shaped pipe is arranged below the first 9 of arc-shaped pipe and the end part of the second 10 of lantern rings is arranged at intervals with the first 7 of lantern rings, the first 9 of arc-shaped pipe is connected with the second 10 of arc-shaped pipe in a sealing mode through a sealing ring 24, and the longitudinal sections of the first 9 of arc-shaped pipe and the second 10 of arc-shaped pipe are arranged in an arc shape and are similar to the arc shapeAnd (4) tiles. Through setting up arc pipe one 9 and arc pipe two 10 make this antidetonation connect can resist the pipeline all directions's that takes place except the axial deformation, improved this anti-seismic performance, effectively guaranteed the safety of PCCP line, reduced the loss that the earthquake brought to a certain extent.
Further, as shown in fig. 1 and 2, the second pipe body 5 and the adjusting pipe 3 are arranged at an interval, an O-shaped rubber ring 11 is filled between the outer side wall of the second pipe body 5 and the sleeve 2 in an interference manner, and an O-shaped rubber ring 11 is also filled between the outer side wall of the adjusting pipe 3 and the sleeve 2 in an interference manner. In actual production, the sleeve 2, the second pipe body 5 and the adjusting pipe 3 are provided with grooves matched with the O-shaped rubber rings 11. The sealing performance between the second pipe body 5 and the sleeve 2 and between the adjusting pipe 3 and the sleeve 2 is realized by arranging the O-shaped rubber rings 11.
Further, as shown in fig. 1 and 2, a wedge-shaped rubber ring 12 is filled between the outer side wall of the second pipe body 5 and the sleeve 2 in an interference manner, a wedge-shaped rubber ring 12 is also filled between the outer side wall of the adjusting pipe 3 and the sleeve 2 in an interference manner, a yielding groove matched with the wedge-shaped rubber ring 12 is formed in the inner side wall of the sleeve 2, and preferably, the two wedge-shaped rubber rings 12 are located between the two O-shaped rubber rings 11. The sealing performance between the sleeve 2 and the second pipe body 5 and the adjusting pipe 3 is further improved by arranging the wedge-shaped rubber ring 12.
Further, as shown in fig. 1, a manhole 13 is installed on the pipe body 4 and is communicated with the pipe body 4, and a flange is installed on the top of the manhole 13. Through setting up manhole 13, be convenient for get into and carry out the pressure testing operation in being responsible for the body 1.
Specifically, as shown in fig. 1 and fig. 2, the first receiving head 15 and the second receiving head 16 have the same structure, the second receiving head 16 includes a receiving pipe 14 sleeved on the adjusting pipe 3, the receiving pipe 14 is slidably connected to the adjusting pipe 3, a receiving opening 17 is formed in an end portion of the receiving pipe 14, which is far away from one end of the adjusting pipe 3, a first flange 18 is fixedly connected to one end of the receiving pipe 14, which is far away from the receiving opening 17, the first flange 18 is sleeved on the pipe two 5, a second flange 20 is further sleeved on the adjusting pipe 3, which is far away from one end of the receiving pipe 14, the adjusting pipe 3 between the first flange 18 and the second flange 20 is sleeved with a sealing rubber ring 21, a guide surface 22 which is obliquely arranged is formed in a lower portion of one side of the second flange 20, which is close to the sealing rubber ring 21, and the first flange 18 and the second flange 20 are fixedly connected through bolts. When the device is used, the position of the bearing pipe 14 relative to the adjusting pipe 3 is adjusted by sliding the first flange plate 18, then the PCCP or other pipelines to be connected are inserted into or welded with the bell mouth 17 of the bearing pipe 14, and then the bolts between the first flange plate 18 and the second flange plate 20 are screwed down, so that the sealing rubber ring 21 is extruded in place, and the sealing and connection between the second bearing head 16 and the adjusting pipe 3 are realized; the first adapter 15 is installed in the same manner as above, so that the first adapter 15 and the first pipe body 4 are sealed and connected.
Further, as shown in fig. 1, the outer side walls of the sleeve 2 and the manhole 13 are provided with coatings 23, the outer side walls of the first pipe body 4 and the second pipe body 5 between the first receiving head 15 and the second receiving head 16 are also provided with coatings 23, and the inner side walls of the first pipe body 4, the second pipe body 5 and the second tile are also provided with coatings 23 so that the inner diameters of the anti-seismic joints are consistent. Through setting up coating 23, can play anticorrosive effect on the one hand, on the other hand, coating 23 also makes the internal diameter everywhere of antidetonation joint unanimous, reduces rivers and erodes.
The using method comprises the following steps: the two ends of the anti-seismic joint are provided with PCCPs with spigots, the adjusting pipe 3 with proper length is selected according to the distance between one end of the pipe body II 5 close to the adjusting pipe 3 and the PCCP with the spigots, then the main pipe body 1 and the adjusting pipe 3 are placed to be installed, then the O-shaped rubber ring 11 and the wedge-shaped rubber ring 12 are respectively sleeved on the pipe body II 5 and the adjusting pipe 3, the sleeve 2 is sleeved on the pipe body II 5, the adjusting pipe 3 is inserted in the sleeve 2, so that the connection between the main pipe body 1 and the adjusting pipe 3 is realized, finally, according to the positions of the PCCP ends at the two ends of the anti-seismic joint, the position of the first bearing head 15 on the pipe body I4 is adjusted, the position of the second bearing head 16 on the pipe body II 5 is adjusted, then the PCCP spigots at the two ends are respectively inserted in the sockets 17 of the first bearing head 15 and the second bearing head 16, or the PCCP spigots at the two ends are respectively welded with the bearing ports 17 of the first bearing head 15 and the second bearing head 16, tightening the bolts between the first flange 18 and the second flange 20 presses the packing 21 into place. Then, enter main pipe body 1 from manhole 13, carry out the pressure testing to the bell and spigot department of spherical joint and first receiving head 15 and second receiving head 16, if the pressure testing is unqualified, then need reinstallate, if the pressure testing is qualified, need carry out inside and outside jointing and carry out anticorrosive treatment as required to the spherical joint, through carrying out mortar to paint and realize anticorrosive inside and outside this antidetonation joint, and make the joint internal diameter unanimous, finally, with manhole 13 with the flange sealed with the blind plate, accomplish the installation.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the technical solution of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (9)
1. A PCCP antidetonation connects which characterized in that: this antidetonation connects includes the main pipe body that the level set up, is equipped with the sleeve on the lateral wall of main pipe body one end, and the sleeve extends to the main pipe body outside and is located the sleeve interpolation of the main pipe body outside and be equipped with the unanimous regulating pipe of main pipe body pipe diameter, and the regulating pipe is kept away from the one end of the main pipe body and is extended to the telescopic outside, and the regulating pipe tip that is located the sleeve outside is installed first and is accepted the head, and the main pipe body is kept away from the tip of sleeve one end and is installed the second and accept the head.
2. A PCCP seismic joint, according to claim 1, wherein: the main pipe body comprises a first pipe body and a second pipe body, the second pipe body is arranged close to the sleeve, and a spherical joint which specifically resists deformation of the first pipe body or the second pipe body is arranged between the first pipe body and the second pipe body.
3. A PCCP seismic joint, according to claim 2, wherein: the spherical joint comprises a connecting pipe, and the inner diameters of the first pipe body and the second pipe body are both L1The inner diameter of the connecting pipe is L2，L2And L1The relationship between is L2＞L1The first lantern ring is fixedly connected between the first pipe body and the connecting pipe, the first lantern ring is fixedly connected to the outer side wall of the first pipe body, the second lantern ring is fixedly connected to the bottom of one end, away from the first pipe body, of the connecting pipe, and the first lantern ring is fixedly connected with the second lantern ringA first arc-shaped pipe is arranged; the bottom of the second lantern ring is arranged at a distance from the top surface of the end of the second lantern ring, which is close to one end of the second lantern ring, is fixedly connected with a second arc tube, the second arc tube is arranged below the second arc tube, the end of the second arc tube is arranged at a distance from the first lantern ring, the longitudinal sections of the first arc tube and the second arc tube are both arc-shaped, and the first arc tube and the second arc tube are connected in a sealing mode through sealing rings.
4. A PCCP seismic joint, according to claim 2 or 3, wherein: the second pipe body and the adjusting pipe are arranged at intervals, an O-shaped rubber ring is filled between the outer side wall of the second pipe body and the sleeve in an interference mode, and an O-shaped rubber ring is filled between the outer side wall of the adjusting pipe and the sleeve in an interference mode.
5. A PCCP seismic joint, according to claim 4, characterized in that: the wedge-shaped rubber ring is filled between the outer side wall of the pipe body and the sleeve in an interference mode, and the wedge-shaped rubber ring is also filled between the outer side wall of the adjusting pipe and the sleeve in an interference mode.
6. A PCCP seismic joint, according to claim 5, characterized in that: a manhole communicated with the pipe body is arranged on the first pipe body.
7. A PCCP seismic joint, according to claim 6, characterized in that: the first adapting head and the second adapting head are the same in structure, the second adapting head comprises an adapting pipe sleeved on an adjusting pipe, the adapting pipe is connected to the adjusting pipe in a sliding mode, the end part of one end of the adjusting pipe is far away from the adapting pipe and is provided with a bell mouth, one end of the adapting pipe, far away from the bell mouth, of a flange plate I, the flange plate I is sleeved on the adjusting pipe, the flange plate II is further sleeved on the adjusting pipe, far away from one end of the adapting pipe, of the flange plate I, a sealing rubber ring is sleeved on the adjusting pipe between the flange plate I and the flange plate II, and the flange plate I and the flange plate II are fixedly connected through bolts.
8. A PCCP seismic joint, according to claim 6, characterized in that: the outer side walls of the sleeve and the manhole are provided with coatings, the first receiving head and the second receiving head are provided with coatings on the outer side walls of the first pipe body and the second pipe body, the coatings are arranged on the inner side walls of the first pipe body, the second pipe body and the second tile body, and the inner diameters of the first pipe body, the second pipe body and the adjusting pipe are consistent after the coatings are arranged.
9. A PCCP seismic joint, according to claim 3, wherein: and the lower part of one side of the second flange plate, which is close to the sealing rubber ring, is provided with a guide surface which is obliquely arranged along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140264.7U CN216590457U (en) | 2022-01-19 | 2022-01-19 | PCCP antidetonation connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140264.7U CN216590457U (en) | 2022-01-19 | 2022-01-19 | PCCP antidetonation connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590457U true CN216590457U (en) | 2022-05-24 |
Family
ID=81634733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220140264.7U Active CN216590457U (en) | 2022-01-19 | 2022-01-19 | PCCP antidetonation connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590457U (en) |
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2022
- 2022-01-19 CN CN202220140264.7U patent/CN216590457U/en active Active
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