Prestressed concrete conversion pipe
By adopting reinforced steel rings and arc-shaped pipe bodies in prestressed concrete pipelines, combined with the design of steel plates, steel wires and mortars, the problem of non-standard interface short pipes in pipeline installation is solved, the corrosion resistance and service life are improved, and the operation life is achieved. Flexibility and adaptability of pipe connections.
Patent Information
- Application Number
- CN202421100099.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the pipeline installation process, when the size and diameter of pipes change, the problem of non-standard interface short pipes with distances between standard pipes with smaller distances than the length of standard pipes is usually connected by thick steel plate pipes, resulting in high processing costs and poor corrosion resistance of steel pipes. Short life span.
A prestressed concrete conversion pipe is designed, using two reinforced steel rings and arc-shaped pipe body. It is constructed by the arrangement of socket converters and socket converters, combined with steel plates, steel wires and mortar to improve corrosion resistance and can be used according to the It is necessary to switch between inclined pipes and variable diameter pipes to realize the combination of short pipes and long pipes to adapt to joints of different shapes and lengths.
It improves the corrosion resistance and service life of pipe fittings, reduces processing costs, and realizes the flexibility and adaptability of pipeline connections. It can be combined into straight pipes, inclined pipes or bent pipes as needed to meet different water flow requirements.
Smart Images
Figure CN222297209U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building engineering, in particular to a prestressed concrete conversion pipe. Background Art
[0002] Since the introduction of prestressed steel cylinder concrete pipe in China in the early 1990s, the prestressed steel cylinder concrete pipe has gradually become the main pipe material for domestic water supply and diversion pipelines with its unique and comprehensive advantages. It is the preferred pipe material for pipeline design, especially in the case of larger diameter and higher working pressure. The pipeline has low cost, low maintenance cost, strong resistance to external load and internal water pressure, long design service life, and can be applied to various different use occasions except that it cannot be directly used for jacking construction. In the traffic conditions and geographical environment of the city, including the need to cross traffic arteries when laying pipelines in the field, it is generally not allowed to lay grooves for prestressed steel cylinder concrete pipes. At this time, jacking pipes must be used. At present, the more common pressure pipeline pipes are mainly prestressed steel cylinder concrete jacking pipes. The pipe adopts a two-ring sealing rubber ring design at the end of the spigot steel ring. By adding a pressure test hole and undergoing a water pressure test, it can reduce the resistance encountered during jacking construction, speed up the construction speed, and improve the anti-leakage of the pipe body and the interface.
[0003] However, at present, the pipeline installation process at home and abroad encounters the problem of changes in large and small diameter pipes, and non-standard interface short pipes where the distance between standard pipe fittings is less than the length of standard pipe fittings. Thick steel plate pipe fittings are generally used for connection. Thick steel plate pipe fittings have high processing costs. Steel pipe fittings are corroded by underground acids, alkalis and other chloride ions, have poor corrosion resistance and short service life. Utility Model Content
[0004] The utility model aims to provide a prestressed concrete conversion pipe, aiming to solve the technical problems in the prior art that large and small diameter pipes vary during pipeline installation at home and abroad, and that the distance between standard pipes is less than the length of the standard pipes, and that thick steel plate pipes are generally used for connection, and the processing cost of thick steel plate pipes is high, and that the steel pipes are corroded by underground acid, alkali and other chloride ions, have poor corrosion resistance and a short service life.
[0005] To achieve the above-mentioned purpose, the utility model adopts a prestressed concrete conversion pipe, including two reinforcing steel rings and an arc-shaped pipe body, one end of the arc-shaped pipe body is provided with a first socket, one end of the first socket is connected to a socket conversion piece, one end of the socket conversion piece is connected to an inclined pipe, the other end of the arc-shaped pipe body is provided with a first socket, one end of the first socket is connected to a socket conversion piece, one end of the socket conversion piece is connected to a reducer, the two reinforcing steel rings are respectively fixedly connected to the arc-shaped pipe body and are located at both ends of the arc-shaped pipe body.
[0006] Wherein, a plurality of first reinforcing plates are arranged at both ends of the arc-shaped tube body, and the plurality of first reinforcing plates are respectively fixedly connected to the corresponding reinforcing steel rings and are circumferentially arranged on the reinforcing steel rings.
[0007] Among them, the socket conversion part includes a first flange, a first steel casing and a first conversion tube, a second socket is provided at one end of the first conversion tube, the first flange is fixedly connected to the first steel casing and is located at one end of the first steel casing, the inclined tube is fixedly connected to the first flange and is located on the end face of the first flange, the first steel casing is fixedly connected to the first conversion tube and is located at the other end of the first conversion tube, and the second socket is connected to the first socket and is located in the first socket.
[0008] Among them, the socket conversion part includes a second flange, a second steel casing and a second conversion tube, a second socket is provided at one end of the second conversion tube, the second flange is fixedly connected to the second steel casing and is located at one end of the second steel casing, the reducer is fixedly connected to the second flange and is located on the end face of the second flange, the second steel casing is fixedly connected to the second conversion tube and is located at the other end of the second conversion tube, and the second socket is connected to the first socket and is sleeved on the first socket.
[0009] Among them, the inclined tube includes a third flange, a third steel casing and an inclined tube body, a third socket is provided at one end of the inclined tube body, the third flange is fixedly connected to the third steel casing and is located at one end of the third steel casing, the third flange is fixedly connected to the first flange by bolts and is located on the end face of the first flange, the third steel casing is fixedly connected to the inclined tube body and is obliquely arranged at the other end of the inclined tube body.
[0010] Among them, the reducer includes a fourth flange, a fourth steel casing and a reducer body, a fourth socket is provided at one end of the reducer, the fourth flange is fixedly connected to the fourth steel casing and is located at one end of the fourth steel casing, the fourth flange is fixedly connected to the second flange by bolts and is located on the end face of the second flange, the fourth steel casing is fixedly connected to the reducer body and is located at the other end of the reducer body.
[0011] Wherein, the arc-shaped tube body, the first conversion tube, the second conversion tube, the inclined tube body and the reducer tube body are all composed of steel plates, steel wires and mortar.
[0012] The utility model discloses a prestressed concrete conversion pipe, comprising two reinforcing steel rings and an arc-shaped pipe body, wherein a first socket is arranged at one end of the arc-shaped pipe body, a socket conversion piece is connected at one end of the first socket, an oblique pipe is connected at one end of the socket conversion piece, a first socket is arranged at the other end of the arc-shaped pipe body, a socket conversion piece is connected at one end of the first socket, a reducer is connected at one end of the socket conversion piece, and the two reinforcing steel rings are respectively fixedly connected to the arc-shaped pipe body and are located at the two ends of the arc-shaped pipe body, and the corrosion resistance and service life are improved by compounding the metal material and the non-metal material, and the structures of the oblique pipe and the reducer can be switched at will according to the arrangement of the socket conversion piece and the socket conversion piece, and a two-way, three-way or four-way joint can be connected, so that the body design can be combined into a short pipe and a long pipe according to the length of the standard pipe, and can also be divided into a straight pipe, an oblique pipe or a curved pipe according to the shape of the standard pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a three-dimensional stereogram of the prestressed concrete conversion pipe of the utility model.
[0015] Figure 2 It is a front view of the prestressed concrete conversion pipe of the utility model.
[0016] Figure 3 The utility model Figure 2 Section view along line AA.
[0017] Figure 4 The utility model Figure 3 A partial enlarged view of point B in the middle.
[0018] Figure 5 It is a structural schematic diagram of an arc-shaped pipe body in a prestressed concrete conversion pipe of the utility model.
[0019] Figure 6 The utility model is a schematic structural diagram of a spigot conversion member in a prestressed concrete conversion pipe.
[0020] Figure 7 It is a structural schematic diagram of a socket conversion piece in a prestressed concrete conversion pipe of the utility model.
[0021] Figure 8It is a structural schematic diagram of an inclined tube in a prestressed concrete conversion tube of the utility model.
[0022] Fig. 9 The utility model is a schematic structural diagram of a reducer in a prestressed concrete conversion pipe.
[0023] 1-reinforced steel ring, 2-arc-shaped pipe body, 3-first socket, 4-first plug, 5-first reinforcing plate, 6-first flange, 7-first steel casing, 8-first conversion pipe, 9-second plug, 10-second flange, 11-second steel casing, 12-second conversion pipe, 13-second socket, 14-third flange, 15-third steel casing, 16-inclined pipe body, 17-third socket, 18-fourth flange, 19-fourth steel casing, 20-reducing pipe body, 21-fourth socket, 22-steel plate, 23-steel wire, 24-mortar. DETAILED DESCRIPTION
[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0025] See also Figures 1 to 9 The utility model provides a prestressed concrete conversion pipe, including two reinforcing steel rings 1 and an arc-shaped pipe body 2, one end of the arc-shaped pipe body 2 is provided with a first socket 3, one end of the first socket 3 is connected to a socket conversion piece, one end of the socket conversion piece is connected to an inclined pipe, the other end of the arc-shaped pipe body 2 is provided with a first socket 4, one end of the first socket 4 is connected to a socket conversion piece, one end of the socket conversion piece is connected to a reducer, and the internal structures of the arc-shaped pipe body 2, the socket conversion piece, the inclined pipe, the socket conversion piece and the reducer are all composed of steel plates 22, steel wires 23 and mortar 24, and the two reinforcing steel rings 1 are respectively fixedly connected to the arc-shaped pipe body 2 and are located at both ends of the arc-shaped pipe body 2.
[0026] In this embodiment, the metal material and the non-metal material are compounded to improve the corrosion resistance and extend the service life. The configuration of the plug conversion member and the socket conversion member can facilitate the arbitrary switching of the structures of the oblique tube and the reducer. The two-way, three-way or four-way connectors can also be connected. The main body design can be combined into short tubes and long tubes according to the length of the standard tube. The main body can also be divided into straight tubes, oblique tubes or curved tubes according to the shape of the standard tube.
[0027] Furthermore, a plurality of first reinforcing plates 5 are provided at both ends of the arc-shaped tube body 2 , and the plurality of first reinforcing plates 5 are respectively fixedly connected to the corresponding reinforcing steel rings 1 , and are circumferentially arranged on the reinforcing steel rings 1 .
[0028] In this embodiment, the first reinforcing plate 5 can facilitate improving the stability between the reinforcing steel ring 1 and the arc-shaped tube body 2 .
[0029] Furthermore, the socket conversion component includes a first flange 6, a first steel casing 7 and a first conversion tube 8, a second socket 9 is provided at one end of the first conversion tube 8, the first flange 6 is fixedly connected to the first steel casing 7 and is located at one end of the first steel casing 7, the inclined tube is fixedly connected to the first flange 6 and is located on the end face of the first flange 6, the first steel casing 7 is fixedly connected to the first conversion tube 8 and is located at the other end of the first conversion tube 8, and the second socket 9 is connected to the first socket 3 and is located in the first socket 3.
[0030] In this embodiment, the second socket 9, the first steel casing 7 and the first conversion pipe 8 can be arranged to facilitate connection of the first socket 3, so that the first flange 6 can be connected to the inclined pipe or the standard pipe.
[0031] Furthermore, the socket conversion component includes a second flange 10, a second steel casing 11 and a second conversion tube 12, a second socket 13 is provided at one end of the second conversion tube 12, the second flange 10 is fixedly connected to the second steel casing 11 and is located at one end of the second steel casing 11, the reducer is fixedly connected to the second flange 10 and is located on the end face of the second flange 10, the second steel casing 11 is fixedly connected to the second conversion tube 12 and is located at the other end of the second conversion tube 12, and the second socket 13 is connected to the first socket 4 and is sleeved on the first socket 4.
[0032] In this embodiment, the second socket 13, the second steel casing 11 and the second conversion pipe 12 can be provided to facilitate connection to the first socket 4, so that the second flange 10 can be easily connected to the reducer or standard pipe.
[0033] Furthermore, the inclined tube includes a third flange 14, a third steel casing 15 and an inclined tube body 16, one end of the inclined tube body 16 is provided with a third socket 17, the third flange 14 is fixedly connected to the third steel casing 15 and is located at one end of the third steel casing 15, the third flange 14 is fixedly connected to the first flange 6 by bolts and is located on the end face of the first flange 6, the third steel casing 15 is fixedly connected to the inclined tube body 16 and is obliquely arranged at the other end of the inclined tube body 16.
[0034] In this embodiment, the third flange 14 and the third socket 17 are provided to facilitate connection with the first flange 6 or a standard pipe, and the third steel casing 15 and the inclined pipe body 16 are provided to adjust the flow direction of the pipeline.
[0035] Furthermore, the reducer includes a fourth flange 18, a fourth steel casing 19 and a reducer body 20, a fourth socket 21 is provided at one end of the reducer, the fourth flange 18 is fixedly connected to the fourth steel casing 19 and is located at one end of the fourth steel casing 19, the fourth flange 18 is fixedly connected to the second flange 10 by bolts and is located on the end face of the second flange 10, the fourth steel casing 19 is fixedly connected to the reducer body 20 and is located at the other end of the reducer body 20.
[0036] In this embodiment, the second flange 10 or the standard pipe can be easily connected through the fourth flange 18 and the fourth socket 21, and the overall structure of the reducer is conical, so that water can flow from a small aperture to a large aperture or from a large aperture to a small aperture.
[0037] Furthermore, the arc-shaped tube body 2 , the first conversion tube 8 , the second conversion tube 12 , the inclined tube body 16 and the reducer tube body 20 are all composed of a steel plate 22 , a steel wire 23 and mortar 24 .
[0038] In this embodiment, the steel plate 22 is rolled into a cylindrical shape by a plate rolling machine, and socket-shaped steel rings of a certain size are connected at both ends. The steel wire 23 of φ2.3mm~3mm is welded on the inside and outside of the cylinder, and the steel wire is a cold low-carbon steel wire mesh. Then, the mortar 24 of 25~30mm is sprayed on the cylinder and the cold low-carbon steel wire mesh by a high-pressure spray machine, and the mortar is a high-performance cement mortar. The high-performance cement mortar on the inner wall is flattened and smoothed to form a mortar protective layer. Then, the exposed socket steel rings at both ends are treated with epoxy paint for corrosion protection to form a product, thereby improving durability and service life.
[0039] In this embodiment, in addition to the pipeline combination method described in this design, there are many other combinations between the arc-shaped pipe body 2 and the socket conversion piece, the inclined pipe, the socket conversion piece and the reducer. First, the socket conversion piece and the socket conversion piece are arranged at both ends of the arc-shaped pipe body 2, so as to realize the double-plug and double-supplied structure, thereby improving the efficiency of pipeline connection. Secondly, the inclined pipe is arranged at both ends of the arc-shaped pipe body 2, so as to change the flow direction of the water flow. Thirdly, the reducer is arranged at both ends of the arc-shaped pipe body 2, so that the water flow can flow from a small aperture to a large aperture or from a large aperture to a small aperture, thereby meeting the water flow rate in different areas. It should be noted that the specification range of the pipe of this design is from a diameter of φ400mm to φ4000mm, a length of 500mm to 4000mm, and a diameter reduction conversion angle of а=15° to 180°. It can be converted between any angles of different sizes, and has strong flexibility and adaptability.
[0040] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.
Claims
1. A prestressed concrete conversion pipe, characterized in that: It includes two reinforcing steel rings and an arc-shaped tube body, one end of the arc-shaped tube body is provided with a first socket, one end of the first socket is connected to a socket conversion piece, one end of the socket conversion piece is connected to an inclined tube, the other end of the arc-shaped tube body is provided with a first socket, one end of the first socket is connected to a socket conversion piece, one end of the socket conversion piece is connected to a reducer, and the internal structures of the arc-shaped tube body, the socket conversion piece, the inclined tube, the socket conversion piece and the reducer are all composed of steel plates, steel wires and mortar, and the two reinforcing steel rings are respectively fixedly connected to the arc-shaped tube body and are located at both ends of the arc-shaped tube body.
2. The prestressed concrete conversion pipe according to claim 1, characterized in that: A plurality of first reinforcing plates are disposed at both ends of the arc-shaped tube body. The plurality of first reinforcing plates are respectively fixedly connected to the corresponding reinforcing steel rings and are circumferentially disposed on the reinforcing steel rings.
3. The prestressed concrete conversion pipe according to claim 2, characterized in that: The socket conversion part includes a first flange, a first steel casing and a first conversion tube. A second socket is provided at one end of the first conversion tube. The first flange is fixedly connected to the first steel casing and is located at one end of the first steel casing. The inclined tube is fixedly connected to the first flange and is located on the end face of the first flange. The first steel casing is fixedly connected to the first conversion tube and is located at the other end of the first conversion tube. The second socket is connected to the first socket and is located in the first socket.
4. The prestressed concrete conversion pipe according to claim 3, characterized in that: The socket conversion component includes a second flange, a second steel casing and a second conversion tube. A second socket is provided at one end of the second conversion tube. The second flange is fixedly connected to the second steel casing and is located at one end of the second steel casing. The reducer is fixedly connected to the second flange and is located on the end face of the second flange. The second steel casing is fixedly connected to the second conversion tube and is located at the other end of the second conversion tube. The second socket is connected to the first socket and is sleeved on the first socket.
5. The prestressed concrete transfer pipe according to claim 4, characterized in that: The inclined tube includes a third flange, a third steel casing and an inclined tube body. A third socket is provided at one end of the inclined tube body. The third flange is fixedly connected to the third steel casing and is located at one end of the third steel casing. The third flange is fixedly connected to the first flange by bolts and is located on the end surface of the first flange. The third steel casing is fixedly connected to the inclined tube body and is obliquely arranged at the other end of the inclined tube body.
6. The prestressed concrete conversion pipe according to claim 5, characterized in that: The reducer includes a fourth flange, a fourth steel casing and a reducer body. A fourth socket is provided at one end of the reducer. The fourth flange is fixedly connected to the fourth steel casing and is located at one end of the fourth steel casing. The fourth flange is fixedly connected to the second flange by bolts and is located on the end face of the second flange. The fourth steel casing is fixedly connected to the reducer body and is located at the other end of the reducer body.
7. The prestressed concrete transfer pipe according to claim 6, characterized in that: The arc-shaped tube body, the first conversion tube, the second conversion tube, the inclined tube body and the reducer tube body are all composed of steel plates, steel wires and mortar.