CN2767798Y - Heavy caliber oblique stress high-strength water supply pipe - Google Patents
Heavy caliber oblique stress high-strength water supply pipe Download PDFInfo
- Publication number
- CN2767798Y CN2767798Y CN 200520023436 CN200520023436U CN2767798Y CN 2767798 Y CN2767798 Y CN 2767798Y CN 200520023436 CN200520023436 CN 200520023436 CN 200520023436 U CN200520023436 U CN 200520023436U CN 2767798 Y CN2767798 Y CN 2767798Y
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- skeleton
- oblique
- bobbin
- strength water
- high strength
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Abstract
The utility model relates to a heavy caliber oblique stress high-strength water supply pipe which is composed of a lining skeleton, a middle layer skeleton and an outer layer skeleton which are made of longitudinal rids and annular rids, wherein slant bobbins are respectively and evenly fixed on the lining skeleton and the middle layer skeleton; the slant bobbins and the axle wire of the skeletons are in longitudinal torsion-shaped arrangement, and the torsion directions are opposite; steel strands fixed on both ends of a pipe body by an anchor device are arranged in the slant bobbins, and generates prestress by stretching; circular arced bobbins which are wound in interphase are evenly arranged on both sides of the outer layer skeleton; steel strands which are anchored by anchor devices on both sides of the pipe body are arranged in the circular arced bobbins, and generates the prestresse by stretching. The utility model can bear pulling stress generated by inside and outside loads, guarantees that a centripetal stress pipe body does not appear cracking under the action of the pulling stress. The utility model effectively raises shear resistant and bending resistant performance.
Description
Technical field
The utility model relates to a kind of large caliber oblique stress high strength water transport pipe.
Technical background
The present Core type prestressed concrete pipe for water of producing with tratitional technology is because of the restriction that is subjected to technology, preparation condition can not be produced the high voltage tolerant input waterpipe that internal diameter surpasses 3 meters.The PCCP pre-stress steel cylinder conduit pipe that introduction of foreign technology is produced, be subjected to the restriction of technology, preparation condition can only produce the pipeline of 4 meters of internal diameters, because of adopting the spigot and socket type interface mode not reach totally-enclosed standard, the mouth of pipe can cause interface to leak, and axial crack appears in buried meeting, also is not suitable for big flow, extensive, the use of the water diversion project in zone greatly because of cost is high especially.
Summary of the invention
Technical problem to be solved in the utility model provides the tensile stress that external load produces in a kind of the bearing, guarantee that the cracking under the action of pulling stress does not appear in the centripetal-stress body, effectively improves a kind of large caliber oblique stress high strength water transport pipe of the performance of shearing resistance, bending resistance.
The utility model adopts following technological scheme:
The utility model comprises concrete tube body and is arranged on the cylindrical skeleton of being made by vertical muscle and ring muscle in the body, it is characterized in that described cylindrical skeleton is by the nexine skeleton, middle level skeleton and outer skeleton constitute, on nexine skeleton and middle level skeleton, evenly be fixed with respectively with the skeleton medial axis and be vertical twisted state setting and the opposite oblique bobbin of twisted direction, be provided with in the oblique bobbin ■ at the body two ends and produced prestressed steel strand through stretch-draw by what ground tackle was fixed, be the evenly distributed alternate circular-arc bobbin that has around the home in outer skeleton both sides, be provided with in the circular-arc bobbin and produced prestressed steel strand through stretch-draw by the ground tackle anchoring of body both sides.
The utility model intersects in outer skeleton bilateral symmetry circular-arc bobbin around the home, is provided with in the circular-arc bobbin to have produced prestressed steel strand by the ground tackle anchoring of body both sides through stretch-draw.
Oblique bobbin described in the utility model can be the inboard or the outside that is uniformly arranged and fixed and is arranged on the nexine skeleton, also can be evenly inside and outside transpostion interval and arrange the interior outside that is fixedly installed on the nexine skeleton.
Oblique bobbin described in the utility model can be the inboard or the outside that is uniformly arranged and fixed and is arranged on the middle level skeleton, also can be evenly inside and outside transpostion interval and arrange the interior outside that is fixedly installed on the middle level skeleton.
Circular-arc bobbin described in the utility model can be the inboard or the outside that is uniformly arranged and fixed and is arranged on outer skeleton, also can be even transpostion interval and arrange the interior outside that is fixedly installed on outer skeleton.
The utility model evenly is provided with 4-24 attachment hole on body, be provided with the steel strand that are used for connecting between body in the attachment hole.
One end of body described in the utility model is the convex socket, and the other end of body is the concavity bellmouth, is respectively arranged with the spill annular groove that has seal ring in socket and the bellmouth.The internal diameter of described body is a 3-7 rice.
Good effect of the present utility model is as follows: the utility model can be optimized pipe structure by working condition requirement.Adopt the new mode of " ring-like reticular structure ", elder generation is to the concrete tube wall precharge pressure before bearing external load, make overall structure form " centripetal-stress state ", thereby can offset because all or part of tensile stress that " interior external load " produces guarantees that the cracking under tensile stress and the action of pulling stress does not appear in the centripetal-stress body.The new technology that adopts prestressing force " vertically to connect " connects working condition requirement and adjacent body is linked to be reaches hundred meters " overlength body ", strengthened the performance of shearing resistance, bending resistance, possessed the condition of whole resist displacement, antidetonation.
Description of drawings
Accompanying drawing 1 is the utility model structural representation
Accompanying drawing 2 is the utility model accompanying drawing 1A-A place cross section view vertical with the body medial axis
Accompanying drawing 3 is the utility model tube wall partial sectional view
Accompanying drawing 4 is the B portion enlarged view of the utility model accompanying drawing 1
Accompanying drawing 5 is provided with schematic representation for the circular-arc bobbin of the utility model is to intersect
Accompanying drawing 6 is the utility model accompanying drawing 5A-A place cross section view vertical with the body medial axis
Accompanying drawing 7 is the utility model body end face External view
In the accompanying drawings: 1 body, 2 vertical muscle, 3 ring muscle, 4 outer skeletons, 5 middle level skeletons, 6 nexine skeletons, 7 oblique bobbins, 8 oblique bobbins, 9 circular-arc bobbins, 10 steel strand, 11 attachment holes, 12 spill annular grooves, 13 bellmouths, 14 sockets, 15 ground tackles.
Embodiment
As shown in Figure 1, the utility model comprises concrete tube body 1 and is arranged on the nexine skeleton of being made by vertical muscle 2 and ring muscle 36 in the body 1, middle level skeleton 5 and outer skeleton 4, on nexine skeleton 6 and middle level skeleton 5, be fixed with respectively with the skeleton medial axis and be twisted state setting and the opposite oblique bobbin 7 of twisted direction, 8, oblique bobbin 7, be provided with in 8 on body 1 and produced prestressed steel strand 10 through stretch-draw by what ground tackle was fixed, be the evenly distributed alternate circular-arc bobbin 9 that has around the home in outer skeleton 4 both sides, be provided with in the circular-arc bobbin 9 and produced prestressed steel strand 10 through stretch-draw by the ground tackle anchoring of body both sides.
Shown in accompanying drawing 5,6, the utility model intersects in outer skeleton 4 bilateral symmetry circular-arc bobbin 9 around the home, is provided with in the circular-arc bobbin 9 to have produced prestressed steel strand 10 by the ground tackle anchoring of body both sides through stretch-draw.
Circular-arc bobbin 9 described in the utility model can be the inboard or the outside that is uniformly arranged and fixed and is arranged on outer skeleton 4, also can be even transpostion interval and arrange the interior outside that is fixedly installed on outer skeleton 4.As shown in Figure 1, circular-arc bobbin 9 is arranged on the outside of outer skeleton 4.
The utility model evenly is provided with 4-24 attachment hole 11 on body 1, be provided with the steel strand that are used for connecting between body in the attachment hole 11.
As shown in Figure 1, body bilateral symmetry up and down respectively is provided with 3 attachment holes 11, and correspondence left and right sides symmetry in body 1 respectively is provided with 3 attachment holes 11.When two bodys connect, the socket 14 of a body is inserted in the bellmouth 13 of another bodys, the oblique steel strand of a body are connected with the oblique steel strand of another pipe; And with promptly vertical muscle 2 connections of vertical non-prestressing tendon of two pipeline sections; Attachment hole 11 usefulness steel strand on two bodys penetrate, and couple together, and the seal rings that are arranged in the spill annular groove 12 in bellmouth 13 and the socket 14 play the better seal effect.
Steel strand described in the utility model are to twist the steel strand that form mutually by many steel wire plying, and steel strand are color with Φ 13 or Φ 15 series.Described bellows is that thickness is that 0.38mm, width are that the steel band of 35mm rolls with rolling machine and forms, and described bobbin is metal bellows or the inner plastic tube that lubricant oil is arranged of irritating.
The utility model adopts following steps in concrete working process:
The utility model body adopts vertical making moulding process:
The making of first step body bellmouth circular platform: with large size machine tool processing body bellmouth template, the bellmouth template is fixed on the circular platform, the segmentation of body bellmouth platform is arranged on the blinding layer of accomplishing fluently behind the fluting;
The second step support inner formword: the body inner formword is fixed on the circular platform;
The 3rd step carcasing: utilize nonprestressed reinforcement be made into respectively as vertical muscle 2 and ring muscle 3 in, in, outer three layers of drum shape frame;
The 4th step is bobbin (bellows) fixedly: nexine skeleton 6 is enclosed within on the inner formword, and oblique bobbin 7 evenly distributes; Middle level skeleton 5 is enclosed within the outside of nexine skeleton 6, and oblique bobbin 8 evenly distributes; Outer skeleton 4 is enclosed within outside even distribution circle arcuation bobbin 9 on outer skeleton 4 of middle level skeleton 5, prestress wire is penetrated respectively in oblique, the circular-arc bobbin; The bobbin 7,8 that is installed with oblique prestress wire is fixed in respectively on nexine and the middle level cylindrical skeleton 6,5 equably; The bobbin 9 (being made of bellows or plastic tube) that is installed with circular-arc prestress wire evenly is fixed on the outer cylinder frame 4, and its two ends are individually fixed in the anchor hole of body both sides; Three layers of skeleton are nested together, and skeleton one distal process of diameter minimum is gone out, make it form tube core socket skeleton, promptly an end of body is a socket 14, and the other end of body is a bellmouth 13.
The 5th step support outer moulding board: the body outer moulding board is fixed on above the body bellmouth platform;
The 6th step concrete is built: with the concreting that stirs in the body mould;
Moulding is smash in the shake of the 7th step: moulding is smash in shake in order, and concrete is smash moulding by process engineering requirement shake;
The 8th step stretch-draw steel strand are also used the ground tackle anchoring: when build concrete set strength in the body mould reach its standard 70% the time, be inserted in steel strand in the ground tackle hole with penetrating two ends in the oblique and hoop bellows, make it to produce centripetal-stress or longitudinal prestressing by technological requirement stretch-draw;
The grouting of the 9th step is solidified: after the power value of stretch-draw steel strand generation reaches requirement, with solidifying in the high-grade cement injection bobbin;
The form removal maintenance of the tenth step: when the high-grade cement intensity in injecting bellows reaches 95%, the template of dismantling and maintenance;
The 11 step displacement lifting: supporting the body well lifting that is shifted;
The 12 step body connects: with the steel strand in the attachment hole between body 11 body is coupled together;
The 13 step anchor grouting: will injecting high-grade cement in the attachment hole 11 again after the steel strand tension anchoring that connects body.
Claims (10)
1, a kind of large caliber oblique stress high strength water transport pipe, comprise concrete tube body (1) and be arranged in the body (1) by vertical muscle (2) and encircle the cylindrical skeleton that muscle (3) is made, it is characterized in that described cylindrical skeleton is by nexine skeleton (6), middle level skeleton (5) and outer skeleton (4) constitute, on nexine skeleton (6) and middle level skeleton (5), evenly be fixed with respectively with the skeleton medial axis and be vertical twisted state setting and the opposite oblique bobbin (7) of twisted direction, (8), oblique bobbin (7), (8) be provided with at body (1) two ends and produced prestressed steel strand (10) through stretch-draw by what ground tackle was fixed, be the evenly distributed alternate circular-arc bobbin (9) that has around the home in outer skeleton (4) both sides, be provided with in the circular-arc bobbin (9) and produced prestressed steel strand (10) through stretch-draw by ground tackle (15) anchoring of body both sides.
2, a kind of large caliber oblique stress high strength water transport pipe according to claim 1, it is characterized in that intersecting circular-arc bobbin (9) is arranged around the home, be provided with in the circular-arc bobbin (9) and produced prestressed steel strand (10) through stretch-draw by ground tackle (15) anchoring of body both sides in outer skeleton (4) bilateral symmetry.
3, a kind of large caliber oblique stress high strength water transport pipe according to claim 1 and 2, it is characterized in that described oblique bobbin (7) can be to be uniformly arranged and fixed is arranged on the inboard or the outside of nexine skeleton (6), also can be evenly inside and outside transpostion interval and arrange the interior outside that is fixedly installed on nexine skeleton (6).
4, according to claim 1 or 2 or described a kind of large caliber oblique stress high strength water transport pipe, it is characterized in that described oblique bobbin (8) can be to be uniformly arranged and fixed is arranged on the inboard or the outside of middle level skeleton (5), also can be evenly inside and outside transpostion interval and arrange the interior outside that is fixedly installed on middle level skeleton (5).
5, a kind of large caliber oblique stress high strength water transport pipe according to claim 1 and 2, it is characterized in that described circular-arc bobbin (9) can be to be uniformly arranged and fixed is arranged on the inboard or the outside of outer skeleton (4), also can be even transpostion interval and arrange the interior outside that is fixedly installed on outer skeleton (4).
6, a kind of large caliber oblique stress high strength water transport pipe according to claim 1 and 2 is characterized in that evenly being provided with 4-24 attachment hole (11) on body (1), and attachment hole is provided with the steel strand that are used for connecting between body in (11).
7, a kind of large caliber oblique stress high strength water transport pipe according to claim 1 and 2, an end that it is characterized in that described body (1) is convex socket (14), the other end of body (1) is the concavity bellmouth, is respectively arranged with the spill annular groove (12) that has seal ring in socket (14) and the bellmouth (13).
8, a kind of large caliber oblique stress high strength water transport pipe according to claim 3, an end that it is characterized in that described body (1) is convex socket (14), the other end of body (1) is the concavity bellmouth, is respectively arranged with the spill annular groove (12) that has seal ring in socket (14) and the bellmouth (13).
9, a kind of large caliber oblique stress high strength water transport pipe according to claim 1 and 2, the internal diameter that it is characterized in that described body (1) is a 3-7 rice.
10, a kind of large caliber oblique stress high strength water transport pipe according to claim 3, the internal diameter that it is characterized in that described body (1) is a 3-7 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023436 CN2767798Y (en) | 2005-01-28 | 2005-01-28 | Heavy caliber oblique stress high-strength water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023436 CN2767798Y (en) | 2005-01-28 | 2005-01-28 | Heavy caliber oblique stress high-strength water supply pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767798Y true CN2767798Y (en) | 2006-03-29 |
Family
ID=36681659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520023436 Expired - Lifetime CN2767798Y (en) | 2005-01-28 | 2005-01-28 | Heavy caliber oblique stress high-strength water supply pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2767798Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323253C (en) * | 2005-01-28 | 2007-06-27 | 衡水长江预应力有限公司 | Large caliber oblique stress high strength water transport pipe and its preparing process |
-
2005
- 2005-01-28 CN CN 200520023436 patent/CN2767798Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323253C (en) * | 2005-01-28 | 2007-06-27 | 衡水长江预应力有限公司 | Large caliber oblique stress high strength water transport pipe and its preparing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050128 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |