CN203656411U - Double-rubber-ring bell and spigot steel ring of large-diameter PCCP (prestressed concrete cylinder pipe) and large-diameter PCCP - Google Patents

Double-rubber-ring bell and spigot steel ring of large-diameter PCCP (prestressed concrete cylinder pipe) and large-diameter PCCP Download PDF

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Publication number
CN203656411U
CN203656411U CN201320572918.4U CN201320572918U CN203656411U CN 203656411 U CN203656411 U CN 203656411U CN 201320572918 U CN201320572918 U CN 201320572918U CN 203656411 U CN203656411 U CN 203656411U
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China
Prior art keywords
ring
diameter
steel loop
flange
bellmouth
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CN201320572918.4U
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Chinese (zh)
Inventor
沈来新
石维新
王东黎
杨进新
刘进
李万智
付帮磊
忽惠卿
冯雁
姚宣德
冯克义
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BEIJING INSTITUTE OF WATER
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BEIJING INSTITUTE OF WATER
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Abstract

The utility model provides a double-rubber-ring bell and spigot steel ring of a large-diameter PCCP (prestressed concrete cylinder pipe) and the large-diameter PCCP. The bell and spigot steel ring is designed mainly for applying sealing rubber rings of the large-diameter PCCP, and comprises a bell end steel ring and a spigot steel ring, and for a PCCP with a diameter DN of 4,000 mm, the inner diameter of the wall of the bell end steel ring is 4,183 mm; a first rubber ring groove and a second rubber ring groove are annularly formed in the front end of the bell end steel ring; cross sections of the two rubber ring grooves are concave, and the width of each cross section is 27.25 mm; side walls of the two rubber ring grooves are bulged out of the outer wall of the bell end steel ring to form three flanges, the outer diameter of a first flange is 4,179 mm, the outer diameter of a second flange is 4,183 mm, and the outer diameter of a third flange is 4,181 mm; the circumferential diameter of the groove bottom, surrounding the bell end steel ring, of the first rubber ring groove is 4,157.6 mm; and the circumferential diameter of the groove bottom, surrounding the bell end steel ring, of the second rubber ring groove is 4,157.6 mm.

Description

The two cushion rubber joint socket steel loops of diameter prestressed cylinder concrete pipe and diameter prestressed cylinder concrete pipe
Technical field
The utility model relates to a kind of Prestressed concrete cylinder pipe joint socket steel loop, is applicable to heavy caliber and adopts the Prestressed concrete cylinder pipe joint socket steel loop of two cushion rubbers to design.
Background technique
Prestressed concrete cylinder pipe (Prestressed Concrete Cylinder Pipe) is called for short PCCP, is a kind of novel rigidity tubing.It is to be wound around reinforcement wire with the strong concrete tube core of steel cylinder, and spray, with cement mortar protective course, adopts steel bell and spigot, welded together with steel cylinder, is the composite structure of steel plate, concrete, High Tensile Steel Wire and slush different materials composition.There is generally acknowledged bearing interior external pressure be higher, joint tighness good, shock resistance is strong, the characteristic such as convenient and quick construction, antiseptic property are good, easy to maintenance, paid close attention to by engineering circles, being widely used in long interval water delivery main line, pressure inverted-siphon, town water supply engineering, industry has the waterline of pressure, electric power plant circulating water engineering drainage pipeline, pressure blowdown main etc.
Prestressed concrete cylinder pipe connects together more piece pipeline by the bellmouth and the socket steel ring that are welded on respectively the thin steel cylinder of pipeline both sides, filling " O " type sealing rubber ring between bellmouth and socket steel ring.At present domestic PC CP product specification has mainly contained in diameter 0.4m~3.0m and interior pressure 0.4MPa~2.0MPa take 0.2MPa as each differential pressure rating, and PCCP production application is in the flourish stage in China.The first Application of Route Beijing Section 4m diameter PCCP, has pulled open the prelude of super large caliber PCCP pipe in China's application, certainly will promote the development of China PCCP, production, transportation and mounting technique is also had higher requirement simultaneously.The Dam Configuration Design of the domestic Prestressed concrete cylinder pipe bellmouth having adopted and socket steel ring has not been suitable for the O-ring seal of diameter prestressed cylinder concrete pipe, therefore needs the novel joint socket steel loop of research and development badly.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, the two cushion rubber joint socket steel loops of a kind of diameter prestressed cylinder concrete pipe and diameter prestressed cylinder concrete pipe are provided, and this joint socket steel loop has good sealability under compared with the effect of high workload internal water pressure and has certain flexibility (corner ability), facilitate cushion rubber to slip into aprons slot and do not destroy cushion rubber.
For achieving the above object, the utility model provides following technological scheme:
The two cushion rubber joint socket steel loops of a kind of diameter prestressed cylinder concrete pipe, comprise bellmouth steel loop 1 and socket steel ring 2,
This bellmouth steel loop 1 comprises bellmouth steel loop front end 101, bellmouth steel loop wall 102 and bellmouth steel loop rear end 103; This bellmouth steel loop front end 101 is 21.04 ° of angles with respect to bellmouth steel loop wall 102 and outwards opens; The rear end 103 of this bellmouth steel loop is 13.65 ° of angle inward collapsibles with respect to bellmouth steel loop wall 102;
The internal diameter R1 of this bellmouth steel loop wall 102 is 4183mm;
The front end parallel ring of this socket steel ring 1 is established the first aprons slot 201 and the second aprons slot 202; The sidewall of two aprons slots protrudes from socket steel ring outer wall, forms three flanges, is followed successively by backward the first flange 203, the second flange 204 and the 3rd flange 205 by front end;
The external diameter R2 of this first flange 203 is 4179mm, and its front outer adopts the design of circular arc knuckle; This second flange 204 external diameter R3 are 4183mm; The 3rd flange 205 external diameter R4 are 4181mm;
This first aprons slot 201 and the second aprons slot 202 cross sections be shaped as rectangular, aprons slot cross-sectional width 27.25mm, is highly 10.9mm~12.7mm; The circle diameter of this first aprons slot bottom land ring spigot steel loop is 4157.6mm; The circle diameter R5 of this second aprons slot bottom land ring spigot steel loop is 4157.6mm;
The rear end ring of this socket steel ring is established flange 206.
Joint socket steel loop as above, preferably, described the first aprons slot 201 and the second aprons slot 202 be interior holds respectively the O-ring seal that cross section diameter is 23.5mm.
Joint socket steel loop as above, preferably, is provided with the vertical pressurizing port 207 through described bellmouth steel loop wall on described the second flange 204.
On the other hand, the utility model provides a kind of diameter prestressed cylinder concrete pipe, and this concrete pipe diameter is DN4000mm, is provided with the joint socket steel loop as described in any one in claim 1-3 on it.
The beneficial effects of the utility model are: while adopting the diameter prestressed cylinder concrete pipe engineering construction of the two cushion rubber joint socket steel loops of the utility model design, and pipeline simple installation, rubber ring easily enters position, and has effectively protected rubber ring.Pipe coupling after installation under compared with the effect of high workload internal water pressure, has good sealability, and joint has certain flexibility (corner ability), can be widely used in the joint socket steel loop design of diameter prestressed cylinder concrete pipe.
Accompanying drawing explanation
Fig. 1 is the axial sectional view of the utility model bellmouth steel loop.
Fig. 2 is the axial sectional view of the utility model socket steel ring.
Fig. 3 is the part axial, cross-sectional view that the utility model joint socket steel loop is applied to diameter prestressed cylinder concrete pipe.
Embodiment
Below in conjunction with instantiation, the present invention is described in further details.
Embodiment's 1 joint socket steel loop
In a kind of preferred implementation of the present utility model, the two cushion rubber joint socket steel loops of diameter prestressed cylinder concrete pipe, comprise bellmouth steel loop 1 and socket steel ring 2.
As shown in Figure 1, bellmouth steel loop 1 comprises bellmouth steel loop front end 101, bellmouth steel loop wall 102 and bellmouth steel loop rear end 103.Bellmouth steel loop front end 101 is 21.04 angles with respect to bellmouth steel loop wall 102 and outwards opens; The rear end 103 of bellmouth steel loop is 13.65 angle inward collapsibles with respect to bellmouth steel loop wall 102.The internal diameter of bellmouth steel loop wall 102 is 4183mm.
As shown in Figure 2, the front end parallel ring of socket steel ring 1 is established the first aprons slot 201 and the second aprons slot 202, the sidewall of two aprons slots protrudes from socket steel ring outer wall, forms three flanges, is followed successively by backward the first flange 203, the second flange 204 and the 3rd flange 205 by front end.The external diameter of the first flange 203 is 4179mm, and its front outer adopts the design of circular arc knuckle, makes rubber ring easily enter position, and has effectively protected rubber ring.The second flange 204 external diameters are 4183mm, are provided with the vertical pressurizing port 207 through described bellmouth steel loop wall on the second flange 204.The 3rd flange 205 external diameters are 4181mm.
The first aprons slot 201 and the second aprons slot 202 cross sections be shaped as rectangular, cross-sectional width is 27.25mm, is highly 10.9mm~12.7mm.The circle diameter of the first aprons slot bottom land ring spigot steel loop is 4157.6mm; The circle diameter R5 of the second aprons slot bottom land ring spigot steel loop is 4157.6mm.
The rear end ring of socket steel ring is established flange 206.
The first aprons slot 201 and the second aprons slot 202 be interior holds respectively the O-ring seal that cross section diameter is 23.5mm.
2 one kinds of diameter prestressed cylinder concrete pipes of embodiment
Figure 3 shows that the diameter prestressed cylinder concrete pipe jointing structure of a kind of preferred implementation of the utility model.Prestressed concrete cylinder pipe is followed successively by cement mortar protective course 7, two-layer reinforcement wire 8, outer concrete layer 9, steel cylinder 5 and internal layer concrete layer 6 from outside to inside.The two ends of Prestressed concrete cylinder pipe are respectively female end 11 and socket end 12.Female end inner edge depression, socket end inner edge protrudes.Bellmouth steel loop 1 and socket steel ring 2 described in employing embodiment 1, bellmouth steel loop 1 ring is located at female end 11 central concave portions, and socket steel ring 2 rings are located at socket Duan12 center bump, and both all weld with thin steel cylinder 5 ends.
In construction, the female end 11 of a Prestressed concrete cylinder pipe and the socket end 12 of another Prestressed concrete cylinder pipe dock.Socket steel ring 2 inserts in bellmouth steel loop 1, and two O-ring seals (cross section diameter is 23.5mm) that are set in the first aprons slot 201 and second aprons slot 202 of socket steel ring guarantee being tightly connected of two Prestressed concrete cylinder pipes.Be arranged at pressurizing port 3 on pressurizing port 207 and the corresponding internal layer concrete layer 6 on the second flange 204 for measuring the tightness of bellmouth steel loop 1 and socket steel ring 2 joints.After measuring, seal pressurizing port 207 with pipe close 4, and with filled with mortar pressurizing port 3.
Pipe coupling after installation under compared with the effect of high workload internal water pressure, has good sealability, and joint has certain flexibility (corner ability), can be widely used in the joint socket steel loop design of diameter prestressed cylinder concrete pipe.

Claims (4)

1. the two cushion rubber joint socket steel loops of diameter prestressed cylinder concrete pipe, comprise bellmouth steel loop (1) and socket steel ring (2), it is characterized in that,
This bellmouth steel loop (1) comprises bellmouth steel loop front end (101), bellmouth steel loop wall (102) and bellmouth steel loop rear end (103); This bellmouth steel loop front end (101) is 21.04 ° of angles with respect to bellmouth steel loop wall (102) and outwards opens; The rear end (103) of this bellmouth steel loop is 13.65 ° of angle inward collapsibles with respect to bellmouth steel loop wall (102);
The internal diameter R1 of this bellmouth steel loop wall (102) is 4183mm;
The front end parallel ring of this socket steel ring (1) is established the first aprons slot (201) and the second aprons slot (202); The sidewall of two aprons slots protrudes from socket steel ring outer wall, forms three flanges, is followed successively by backward the first flange (203), the second flange (204) and the 3rd flange (205) by front end;
The external diameter R2 of this first flange (203) is 4179mm, and its front outer adopts the design of circular arc knuckle; This second flange (204) external diameter R3 is 4183mm; The 3rd flange (205) external diameter R4 is 4181mm;
This first aprons slot (201) and the second aprons slot (202) cross section be shaped as rectangular, aprons slot cross-sectional width 27.25mm, is highly 10.9mm~12.7mm; The circle diameter of this first aprons slot bottom land ring spigot steel loop is 4157.6mm; The circle diameter R5 of this second aprons slot bottom land ring spigot steel loop is 4157.6mm;
The rear end ring of this socket steel ring is established flange (206).
2. joint socket steel loop as claimed in claim 1, is characterized in that, in described the first aprons slot (201) and the second aprons slot (202), holds respectively the O-ring seal that cross section diameter is 23.5mm.
3. joint socket steel loop as claimed in claim 1, is characterized in that, is provided with the vertical pressurizing port (207) through described bellmouth steel loop wall on described the second flange (204).
4. a diameter prestressed cylinder concrete pipe, is characterized in that, this concrete pipe diameter is DN4000mm, is provided with the joint socket steel loop as described in any one in claim 1-3 on it.
CN201320572918.4U 2013-09-16 2013-09-16 Double-rubber-ring bell and spigot steel ring of large-diameter PCCP (prestressed concrete cylinder pipe) and large-diameter PCCP Active CN203656411U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320572918.4U CN203656411U (en) 2013-09-16 2013-09-16 Double-rubber-ring bell and spigot steel ring of large-diameter PCCP (prestressed concrete cylinder pipe) and large-diameter PCCP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320572918.4U CN203656411U (en) 2013-09-16 2013-09-16 Double-rubber-ring bell and spigot steel ring of large-diameter PCCP (prestressed concrete cylinder pipe) and large-diameter PCCP

Publications (1)

Publication Number Publication Date
CN203656411U true CN203656411U (en) 2014-06-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105987246A (en) * 2015-03-04 2016-10-05 安徽唐兴机械装备有限公司 Integral water-stopping lantern ring for concrete pipeline joints
CN112032418A (en) * 2020-08-31 2020-12-04 金华巨龙管道有限公司 Prestressed steel cylinder concrete pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105987246A (en) * 2015-03-04 2016-10-05 安徽唐兴机械装备有限公司 Integral water-stopping lantern ring for concrete pipeline joints
CN112032418A (en) * 2020-08-31 2020-12-04 金华巨龙管道有限公司 Prestressed steel cylinder concrete pipe

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