CN214889436U - Resin composite concrete pipe - Google Patents
Resin composite concrete pipe Download PDFInfo
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- CN214889436U CN214889436U CN202121665143.6U CN202121665143U CN214889436U CN 214889436 U CN214889436 U CN 214889436U CN 202121665143 U CN202121665143 U CN 202121665143U CN 214889436 U CN214889436 U CN 214889436U
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Abstract
The utility model provides a resin composite concrete pipe, which comprises a resin pipe and a concrete layer which is cast and molded outside the resin pipe, wherein reinforcing steel bars are arranged in the concrete layer; the outer peripheral surface of the resin pipe is provided with a plurality of grooves, metal blocks are embedded in the grooves, and the outer sides of the metal blocks protrude out of the grooves and extend into the concrete layer; the resin composite concrete pipe has the advantages of good connection stability between the resin pipe and the concrete layer and long service life.
Description
Technical Field
The utility model relates to the technical field of pipelines, in particular to compound concrete pipe of resin.
Background
Because the concrete pipe has the characteristics of high strength, good impermeability, strong external pressure resistance and the like, the concrete pipe is widely used for buried sewage pipelines. However, industrial sewage or domestic sewage often contains a large amount of alkaline or acidic substances, and easily corrodes the inner surface of a general concrete pipe, thereby reducing the service life of the concrete pipe. Therefore, at present, some composite concrete pipes are provided, a concrete layer is poured on the outer surface of a corrosion-resistant resin pipe (such as a polyethylene resin pipe) to form the composite concrete pipe, and the corrosion-resistant resin pipe at the inner side has higher corrosion resistance, so that the composite concrete pipe has the characteristics of high strength, good impermeability, strong external pressure resistance and the like, can prevent sewage from corroding the concrete layer, and prolongs the service life.
However, the joint surface between the corrosion-resistant resin pipe and the concrete layer of the composite concrete pipe is a smooth surface, the connection stability between the corrosion-resistant resin pipe and the concrete layer is poor, and the corrosion-resistant resin pipe and the concrete layer are easily peeled off under the external force such as extrusion and collision, so that the composite concrete pipe is damaged.
It is seen that the prior art is susceptible to improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the embodiment of the application aims to provide the resin composite concrete pipe, and the resin composite concrete pipe has the advantages of good connection stability between the resin pipe and the concrete layer and long service life.
The resin composite concrete pipe provided by the embodiment of the application comprises a resin pipe and a concrete layer which is formed on the outer side of the resin pipe in a pouring mode, wherein reinforcing steel bars are arranged in the concrete layer; the outer peripheral surface of the resin pipe is provided with a plurality of grooves, metal blocks are embedded in the grooves, and the outer sides of the metal blocks protrude out of the grooves and extend into the concrete layer.
The compound concrete pipe of resin of this application embodiment, owing to there are a plurality of recesses on resin outside of tubes global, and be provided with the metal block of past evagination in the recess, the metal block can play the block effect to resin pipe and concrete layer, effectively avoids taking place the slippage between resin pipe and the concrete layer and peels off to the connection stability between resin pipe and the concrete layer is better, and life is longer.
Preferably, a plurality of groups of the grooves are arranged on the outer peripheral surface of the resin pipe at equal intervals along the axial direction, and each group comprises at least two grooves which are uniformly distributed along the circumferential direction.
Preferably, any two adjacent groups of the grooves are arranged in a staggered mode in the circumferential direction.
Preferably, the groove is an arc-shaped groove extending in the circumferential direction of the resin pipe.
Preferably, the metal block is a steel block or an aluminum alloy block.
Preferably, a fiber reinforced layer is arranged in the pipe wall of the resin pipe.
Preferably, the concrete layer is a cement concrete layer.
Preferably, the concrete layer is formed by mixing glue and waste powder, wherein the waste powder comprises at least one of ceramic waste powder, building wall waste powder, slag powder and waste metal powder.
Preferably, one end of the resin pipe extends out of the concrete layer to form an insertion opening, the other end of the resin pipe is provided with a bearing opening, the outer peripheral surface of the insertion opening is provided with a plurality of annular protrusions, the inner peripheral surface of the bearing opening is correspondingly provided with a plurality of annular clamping grooves, and the annular clamping grooves are matched with the annular protrusions.
Preferably, a steel sleeve is arranged on a concrete layer outside the socket part, the steel sleeve is fixedly sleeved on the concrete layer, and one end of the steel sleeve extends out of the concrete layer; and one end of the concrete layer, which is close to the socket part, is provided with a sleeve joint part matched with the inner hole of the steel sleeve.
Has the advantages that:
the utility model provides a pair of compound concrete pipe of resin, owing to there are a plurality of recesses on resin outside of tubes is global, and be provided with the metal block toward the evagination in the recess, the metal block can play the block effect to resin pipe and concrete layer, effectively avoids taking place the slippage between resin pipe and the concrete layer and peels off to the connection stability between resin pipe and the concrete layer is better, and life is longer.
Drawings
Fig. 1 is a schematic structural diagram of a resin composite concrete pipe according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a resin pipe in a resin composite concrete pipe provided by an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a steel jacket in the resin composite concrete pipe provided by the embodiment of the present invention.
Description of reference numerals: 1. a resin tube; 101. a groove; 102. a fiber reinforcement layer; 103. a socket portion; 104. a socket portion; 105. an annular projection; 106. an annular clamping groove; 2. a concrete layer; 201. a socket joint part; 3. reinforcing steel bars; 4. a metal block; 5. steel jacket; 501. a boss pin; 502. a rod portion; 503. a head portion; 6. and (5) sealing rings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1-3, the present invention provides a resin composite concrete pipe, including a resin pipe 1 and a concrete layer 2 formed outside the resin pipe 1 by casting, wherein the concrete layer 2 is provided with a steel bar 3; the outer peripheral surface of the resin pipe 1 is provided with a plurality of grooves 101, metal blocks 4 are embedded in the grooves 101, and the outer sides of the metal blocks 4 protrude out of the grooves 101 and extend into the concrete layer 2.
This compound concrete pipe of resin, owing to have a plurality of recesses 101 on 1 outer peripheral face of resin pipe, and be provided with toward evagination metal block 4 in recess 101, metal block 4 can play the block effect to resin pipe 1 and concrete layer 2, effectively avoids taking place the slippage between resin pipe 1 and the concrete layer 2 and peels off to the connection stability between resin pipe 1 and the concrete layer 2 is better, and life is longer.
In some embodiments, referring to fig. 2, a plurality of sets of the grooves 101 are arranged on the outer circumferential surface of the resin pipe 1 at equal intervals along the axial direction, and each set includes at least two grooves 101 uniformly arranged along the circumferential direction. On one hand, the metal blocks 4 are uniformly distributed, and the direct clamping force between the resin pipe 1 and the concrete layer 2 is uniformly distributed, so that the connection stability between the resin pipe 1 and the concrete layer 2 is further improved; on the other hand, since the same group of grooves 101 includes at least two grooves 101 uniformly arranged along the circumferential direction, the corresponding metal block 4 is not in a closed circular ring shape, and thus, both the axial engaging force and the circumferential engaging force can be ensured.
Preferably, referring to fig. 2, any two adjacent sets of the grooves 101 are arranged in a circumferentially staggered manner. The axial clamping force can be prevented from being concentrated on the same straight line, so that the axial clamping force is more dispersed, and the connection stability between the resin pipe 1 and the concrete layer 2 is further improved.
In the present embodiment, see fig. 2, the grooves 101 are arc-shaped grooves that extend in the circumferential direction of the resin pipe 1 (so that the metal blocks 4 are corresponding arc-shaped metal blocks). In practical use, the groove 101 is not limited to be an arc-shaped groove, and the shape thereof can be set according to practical requirements, such as a circle, a triangle, an ellipse, and the like.
The material of the resin tube 1 includes, but is not limited to, at least one of PPO (polyphenylene oxide), PA (polyamide), PPR (polypropylene random copolymer), PE (polyethylene), and other resin materials. When the resin pipe 1 includes a plurality of resin materials, the resin pipe 1 may be provided in a plurality of layers and the materials between the layers are not all the same, or the resin pipe 1 may be formed by mixing a plurality of resin materials.
The metal block 4 is preferably a steel block or an aluminum alloy block, which has high structural strength and low price.
In some preferred embodiments, see fig. 1, a fiber reinforced layer 102 is disposed within the wall of the resin tube 1. The fiber reinforced layer 102 can improve the structural strength of the resin pipe 1, avoid stress cracking and further prolong the service life. The fiber reinforced layer 102 may be, but not limited to, a carbon fiber layer, a glass fiber layer, a metal fiber layer, etc.
In some embodiments, the concrete layer 2 is a cement concrete layer. Wherein, the cement concrete layer is the cement concrete in the prior art.
In other embodiments, the concrete layer 2 is formed by mixing glue and waste powder, wherein the waste powder comprises at least one of ceramic waste powder, building wall waste powder, slag powder and waste metal powder. The concrete layer 2 is prepared by using the waste powder, so that the recycling of various wastes is facilitated, the environment is protected on one hand, and the cost is reduced on the other hand.
In this embodiment, the resin composite concrete pipe is a self-locking socket pipe, so that the construction can be carried out in a non-excavation manner when in use. Specifically, as shown in fig. 1, one end of the resin pipe 1 extends out of the concrete layer 2 to form an insertion opening 103, the other end of the resin pipe is provided with a socket 104, the outer peripheral surface of the insertion opening 103 is provided with a plurality of annular protrusions 105, the inner peripheral surface of the socket 104 is correspondingly provided with a plurality of annular clamping grooves 106, and the annular clamping grooves 106 are matched with the annular protrusions 105. When the self-locking type plastic composite concrete pipe is used, the socket part 103 of one resin composite concrete pipe is directly inserted into the socket part 104 of the other resin composite concrete pipe, so that the corresponding annular protrusion 105 and the corresponding annular clamping groove 106 are mutually clamped to realize self-locking.
Further, as shown in fig. 1 and 3, a steel jacket 5 is arranged on the concrete layer 2 outside the socket part 104, the steel jacket 5 is fixedly sleeved on the concrete layer 2, and one end of the steel jacket 5 extends out of the concrete layer 2; one end of the concrete layer 2 close to the socket part 103 is provided with a sleeve joint part 201 matched with the inner hole of the steel sleeve 5. After the spigot part 103 of one resin composite concrete pipe is inserted into the spigot part 104 of another resin composite concrete pipe, the steel sleeve 5 can be sleeved into the sleeving part 201 of the other resin composite concrete pipe, so that the shearing resistance and the bending resistance of the joint of the two resin composite concrete pipes can be improved, the joint of the two resin composite concrete pipes can bear larger shearing force and bending moment, the joint of the two resin composite concrete pipes is less prone to stress damage, and the service life is further prolonged.
In some embodiments, see fig. 1, a sealing ring 6 is provided on the socket 201.
In some preferred embodiments, see fig. 1 and 3, a plurality of protruding pins 501 are circumferentially arranged on the inner surface of the steel jacket 5, and the protruding pins 501 protrude into the concrete layer 2. Thereby steel bushing 5 links as an organic whole with concrete layer 2, avoids steel bushing 5 to drop and lose in transportation and storage process.
Preferably, referring to fig. 3, the male pin 501 comprises a shaft 502 and a head 503, one end of the shaft 502 is fixedly connected with the steel sleeve 5, the head 503 is arranged at the other end of the shaft 502, and the diameter of the head 503 is larger than that of the shaft 502. Thereby can improve the cohesion between protruding round pin 501 and concrete layer 2, be connected more firmly between steel bushing 5 and the concrete layer 2.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.
Claims (10)
1. A resin composite concrete pipe comprises a resin pipe (1) and a concrete layer (2) which is cast and molded on the outer side of the resin pipe (1), wherein a steel bar (3) is arranged in the concrete layer (2); the concrete pipe is characterized in that a plurality of grooves (101) are formed in the outer peripheral surface of the resin pipe (1), metal blocks (4) are embedded in the grooves (101), and the outer sides of the metal blocks (4) protrude out of the grooves (101) and extend into the concrete layer (2).
2. The resin composite concrete pipe according to claim 1, wherein a plurality of sets of the grooves (101) are provided on the outer circumferential surface of the resin pipe (1) at equal intervals in the axial direction, each set including at least two grooves (101) uniformly arranged in the circumferential direction.
3. The resin composite concrete pipe according to claim 1, wherein any two adjacent sets of grooves (101) are arranged with a mutual offset in the circumferential direction.
4. The resin composite concrete pipe according to claim 1, wherein the groove (101) is an arc-shaped groove extending in a circumferential direction of the resin pipe (1).
5. The resin composite concrete pipe according to claim 1, wherein the metal block (4) is a steel block or an aluminum alloy block.
6. The resin composite concrete pipe according to claim 1, characterized in that a fiber reinforcement layer (102) is provided in the pipe wall of the resin pipe (1).
7. The resin composite concrete pipe according to claim 1, wherein the concrete layer (2) is a cement concrete layer (2).
8. The resin composite concrete pipe according to claim 1, wherein the concrete layer (2) is formed by mixing glue and waste powder, and the waste powder comprises at least one of ceramic waste powder, building wall waste powder, slag powder and waste metal powder.
9. The resin composite concrete pipe according to claim 1, wherein one end of the resin pipe (1) extends out of the concrete layer (2) to form an insertion opening portion (103), the other end of the resin pipe is provided with a bearing portion (104), a plurality of annular protrusions (105) are arranged on the outer peripheral surface of the insertion opening portion (103), a plurality of annular clamping grooves (106) are correspondingly arranged on the inner peripheral surface of the bearing portion (104), and the annular clamping grooves (106) are matched with the annular protrusions (105).
10. The resin composite concrete pipe according to claim 9, wherein a steel jacket (5) is arranged on the concrete layer (2) outside the socket part (104), the steel jacket (5) is fixedly sleeved on the concrete layer (2), and one end of the steel jacket (5) extends out of the concrete layer (2); one end of the concrete layer (2) close to the socket part (103) is provided with a sleeve joint part (201) matched with the inner hole of the steel sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665143.6U CN214889436U (en) | 2021-07-21 | 2021-07-21 | Resin composite concrete pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665143.6U CN214889436U (en) | 2021-07-21 | 2021-07-21 | Resin composite concrete pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214889436U true CN214889436U (en) | 2021-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121665143.6U Active CN214889436U (en) | 2021-07-21 | 2021-07-21 | Resin composite concrete pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214889436U (en) |
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2021
- 2021-07-21 CN CN202121665143.6U patent/CN214889436U/en active Active
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