CN201407425Y

CN201407425Y - Composite corrosion-resistant reinforced concrete drainage pipe

Info

Publication number: CN201407425Y
Application number: CN2009200091895U
Authority: CN
Inventors: 周山
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-02
Filing date: 2009-04-02
Publication date: 2010-02-17
Anticipated expiration: 2019-04-02

Abstract

The utility model discloses a composite corrosion-resistant reinforced concrete drainage pipe. The main body of the drainage pipe is of reinforced concrete hollow pipe bodies which are connected end to end, the two ends of each pipe body are provided with a spigot and a bell and spigot, the pipe bodies are in spigot connection by the port, the inner wall of each pipe body, and the spigot and the bell and spigot on the two ends are coated with smooth-faced corrosion-resistant rubber, the spigot of the pipe body is inserted into the bell and spigot of the other pipe body, all the contact surfaces are in elastic contact of the rubber and the rubber, and a rubber seal ring is arranged between the spigot and the bell and spigot. The design combines the advantages of the traditional reinforced concrete pipe and the traditional plastic pipe, the rubber can not be damaged by ultraviolet ray, so the reinforced concrete pipe body can not be directly corroded by the flowing fluid, the port of thepipe body forms three-layered seal, thereby, the utility model has the advantages of good sealability, large compression-resistant load, small friction of the inner wall, good corrosion-resistant performance, large extent of the pipe base deformation-resistance, long service life, simple and convenient laying construction and the like.

Description

A kind of reinforced concrete sewer pipe road of composite anti-corrosive

Technical field

The utility model relates to the technical field of municipal administration, agricultural water supply and sewerage pipeline, particularly is the discharging connecting tube of matrix with concrete, reinforced concrete.

Background technique

At present, traditional concrete pipe or the concrete reinforced pipe of the many employings of municipal or agricultural supplying drainage, these water supply and sewerage pipelines directly come into operation after by concrete or reinforced concrete moulding by casting, because the intrinsic material behavior behind the concrete formation, its inner-walls of duct is general more coarse, friction factor is big, therefore, compare with the plastic tube of tool smooth inner wall, the pipe resistance of concrete inner wall is bigger, the draining flow velocity is slow, bigger with the caliber that needs under the uniform flow, construction is laid will take more soil space.On the other hand, owing to be concrete material, pipeline is connected basically with port between the pipeline and is rigidly connected, only be provided with seal ring in the port joint, this single seal ring sealing, the gap between the interface tube is bigger, poor sealing performance, occur the seepage phenomenon easily, cause interface tube very stiff and demanding ground breakage, cracking, seepage because of pipeline foundation distortion also very easily.In addition, concrete decay resistance is relatively poor, and during especially as drainage pipeline, body is easily by acid and alkali corrosion, and the gap at pipe joint place is easier the corrosion just, and generally be no more than 20 years working life.Though and the plastic pipe decay resistance is better, flow velocity is fast, fatal defective is poor, the rigidity intensity difference of its resistance to compression weight bearing power, as easy as rolling off a log pressurized and breakage.How that resistance to compression weight bearing power and friction factor is little, resistance is little, the advantage fusion application of corrosion-resistant grade is on water supply and sewerage pipeline, conventional art does not have good solution.

The model utility content

The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, proposes that a kind of good seal performance, resistance to compression load are big, inwall frictional force is little, corrosion resistance and good, anti-pipeline foundation amplitude of deformation are big, the reinforced concrete sewer pipe road of the composite anti-corrosive of long service life.

The purpose of this utility model is achieved by the following technical solution: a kind of reinforced concrete sewer pipe road of composite anti-corrosive, main body is the reinforced concrete hollow body that head and the tail connect, the two ends of each body form socket and joint socket respectively, insert to hold by port between body and the body and be connected, it is characterized in that: all posted ganoid antiseptic rubber on the inwall of each body and the socket at two ends and the joint socket, the body socket inserts the joint socket of another body, all surface of contact all are Elastic Contact of rubber and rubber, and also are provided with rubber seal between socket and the joint socket.Further, for guaranteeing the sealing of pipe joint, the seam crossing of the inwall between two body sockets and joint socket has posted sealing corrosion rubber in addition again.For preventing that antiseptic rubber from coming off from the inwall of body, have some roads groove on the inwall of hollow body, fill out in the groove and be covered with antiseptic rubber and be linked to be integral body with ganoid antiseptic rubber.Particularly, have 2--100 road groove on the hollow inboard wall of tube body, the wide 2-20mm of per pass groove, dark 4-40mm, long 30mm are to the homogeneous tube total length.And the sectional shape of groove is rectangle groove, eccentric bevel groove, dovetail groove.Its thickness of the antiseptic rubber that posts is 0.5--5mm.

She Ji new structure has tangible advantage like this:

1, body adopts concrete or reinforced concrete, and rigidity intensity height, resistance to compression load are big, and inwall adopts antiseptic rubber, smooth surface, and friction factor is little, flow velocity is fast.

2, each body port adopts antiseptic rubber, it is that just middle band is gentle that body is connected with body, form flexible sealing with seal ring, the body port forms the sealing of three levels of end face, inner and outer surface and seam, anti-pipeline foundation amplitude of deformation is big, has solved the interface leakage problems of conventional art effectively.

3, inwall adopts antiseptic rubber, and is acidproof, alkaline-resisting, whole anticorrosive property, impervious good.

4, rubber is subjected to concrete protective, is not subjected to ultraviolet damage, and concrete tube body then is subjected to rubber protection, reaches working life more than 50 years.

5, constructing operation is extremely easy, quick, and the labor intensity that connects is installed is reduced greatly, the cost performance height, soundness is good, is easy to again safeguard, and the segmentation mounting or dismounting are very convenient.

Description of drawings

Fig. 1 is embodiment one a body generalized section;

Fig. 2 is the local enlarged diagram of embodiment one interface;

Fig. 3 is the section enlarged diagram of Fig. 1;

Fig. 4 is embodiment two a body generalized section;

Fig. 5 is the local enlarged diagram of embodiment two interface;

Fig. 6 is the sectional schematic diagram of Fig. 4;

Fig. 7 is the local enlarged diagram of embodiment three interface;

Fig. 8 is embodiment three a body sectional schematic diagram.

Embodiment

Embodiment one, referring to Fig. 1-Fig. 3, the main body of the drainage pipe of the composite anti-corrosive of present embodiment is the reinforced concrete hollow body 1 that multistage can connect from beginning to end, specialization is evenly to have 16 road grooves 11 vertically on the inwall of hollow body 1, the sectional shape of groove 11 is a dovetail groove, and having posted antiseptic rubber 2 on the inwall of hollow body 1, antiseptic rubber 2 is also together filled out and is overlying on groove 11, thereby is linked to be integral body.The two ends of hollow body 1 are shaped to respectively can insert each other to hold and connect stepped shaft socket 12 and the joint socket 13 that cooperates, and specialization is that the end face and the surface of the socket 12 of hollow body 1 have posted antiseptic rubber 2 equally; The end face of joint socket 13 and surface have also posted antiseptic rubber 2, and they merge the inwall that extends to hollow body 1 in the lump, are linked to be integral body with the antiseptic rubber 2 of inwall.When two hollow bodys connect, cover one rubber seal 5 on socket 12, body socket 12 inserts the joint socket 13 of another body, contact with end face until end face, making all surface of contact all is Elastic Contact of rubber and rubber, at last, the inwall seam crossing between socket 12 and joint socket 13 posts in addition again and is bonded with sealing corrosion rubber 21.Like this, body and body are connected to form the sealing of three levels, first level be mouth of pipe inside and outside wall with rubber seal 5 between " rubber-seal ring-rubber " contact; Second level is that joint socket 13 contacts with socket 12 end faces " rubber-rubber "; Tri-layer is the antiseptic rubber 21 that is bonded and sealed of inwall seam crossing.The smooth surface of antiseptic rubber 2, evenly wherein, thickness is 1.2mm, the thickness of sealing corrosion rubber 21 is 2mm.In the present embodiment, antiseptic rubber can be selected the high molecular polymer rubber of liquid state for use, adopts the mode that applies to post, be bonded on the body, its smooth surface, even after the dried solid moulding.

Embodiment two, referring to Fig. 4-Fig. 6, the structure of present embodiment and embodiment one are roughly the same, just the main body of drainage pipe adopts concrete hollow body 3, and the sectional shape of the 16 road grooves that the inwall of hollow body 3 is opened is eccentric bevel groove 33, and antiseptic rubber 2 is filled out the inwall that is overlying on eccentric bevel groove 33 and hollow body 3 and extended the socket 31 and joint socket 32 that is covered in hollow body 3.And the socket 31 of hollow body 3 is different with the form of joint socket 32, has adopted the structure that is tightly connected that the ladder end face contacts, the centre is provided with seal ring 5 before and after two bodys.Antiseptic rubber 2, sealing corrosion rubber 21 are all identical with embodiment one.

Embodiment three, referring to Fig. 7-Fig. 8, the structure of present embodiment and embodiment two roughly the same, the main body of waste pipe is a reinforced concrete hollow body 4, the sectional shape that is the groove opened of the inwall of hollow body 4 is a rectangle groove 43.And the socket 41 of hollow body 4 is different with the form of joint socket 42, has adopted the two bodys structure that is tightly connected that only front-end face contacts, the centre is provided with seal ring 5.

Certainly; here several preferred implementation have only been enumerated; in fact; the shape of body, length; the structural type of interface tube, the shape of groove, size, width, the performance of antiseptic rubber, thickness etc. can change in response to the needs of practice of construction laying; the protection category that these are equal to, varied configurations roughly the same all should belong to this patent repeats no more here.

Claims

1, a kind of reinforced concrete sewer pipe road of composite anti-corrosive, main body is the reinforced concrete hollow body that head and the tail connect, the two ends of each body form socket and joint socket respectively, insert to hold by port between body and the body and be connected, it is characterized in that: all posted ganoid antiseptic rubber on the inwall of each body and the socket at two ends and the joint socket, the body socket inserts the joint socket of another body, all surface of contact all are Elastic Contact of rubber and rubber, and also are provided with rubber seal between socket and the joint socket.

2, drainage pipe according to claim 1 is characterized in that the seam crossing of the inwall between two body sockets and joint socket has posted sealing corrosion rubber in addition again.

3, drainage pipe according to claim 1 and 2 is characterized in that having some roads groove on the inwall of hollow body, fills out in the groove to be covered with antiseptic rubber and to be linked to be integral body with ganoid antiseptic rubber.

4, drainage pipe according to claim 3 is characterized in that having on the hollow inboard wall of tube body 2--100 road groove, and the wide 2-20mm of per pass groove, dark 4-40mm, long 30mm are to the homogeneous tube total length.

5, according to claim 3 or 4 described drainage pipes, the sectional shape that it is characterized in that described groove is rectangle groove, eccentric bevel groove, dovetail groove.

6, draining water pipe according to claim 1 and 2 is characterized in that its thickness of antiseptic rubber that posts is 0.5--5mm.