Reinforcing rib structure of high-toughness groove extrusion steel pipe

Abstract

The utility model discloses a reinforcing rib structure of a high-toughness groove extrusion steel pipe, which relates to the technical field of groove extrusion steel pipes, and comprises a pipe body, a reinforcing rib structure arranged in the pipe body and flange structures arranged at two ends of the pipe body, and the reinforcing rib structure comprises a plurality of reinforcing rib rings arranged at intervals along the length direction of the pipe body. Reinforcing rib plates are fixedly connected to the two sides of the reinforcing rib rings, reinforcing rib strips distributed along the circumference of the reinforcing rib rings in an array mode are arranged between the multiple reinforcing rib rings, the reinforcing rib rings, the reinforcing rib plates and the reinforcing rib strips are all attached to the outer wall of the pipe body, and the multiple reinforcing rib rings and the reinforcing rib strips form a net shape. The reinforcing ribs, the reinforcing rib rings and the reinforcing rib plates are combined to form a net-shaped structure, so that the strength and the rigidity of the pipe body are enhanced, the capacity of the pipe body for bearing large pressure and load is improved, the stress concentration phenomenon is effectively avoided, deformation and vibration can be effectively resisted, stable operation of the pipeline is ensured, and the service life is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruded groove steel pipe technical field especially relates to a high toughness extruded groove steel pipe's stiffener structure. BACKGROUND

[0002] Extruded groove steel pipe is a kind of special steel pipe that forms groove structure on the surface or inside of steel pipe through extrusion process. This design not only retains the basic performance of steel pipe, but also enhances its strength, rigidity and deformation resistance through groove structure, with more extensive application scenarios.

[0003] The existing extruded groove steel pipe has insufficient pressure-bearing capacity. In scenarios with high requirements for pipeline strength and stability, such as long-distance transportation, high-pressure environment or pipeline engineering under harsh weather conditions, the extruded groove steel pipe may deform and vibrate greatly during stress, reducing its stability and durability and increasing the frequency of maintenance and replacement. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems existing in the prior art and provides a high toughness extruded groove steel pipe's stiffener structure.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A high toughness extruded groove steel pipe's stiffener structure, including pipe body, stiffener structure arranged inside pipe body and flange structure arranged at both ends of pipe body, the stiffener structure includes several stiffener rings arranged at intervals along the length direction of pipe body, the both sides of stiffener ring are fixedly connected with stiffener plate, several stiffener rings are provided with stiffener strips distributed in circumferential array between stiffener rings, the stiffener ring, stiffener plate and stiffener strip are all attached to the outer wall of pipe body, several stiffener rings and stiffener strips form mesh, the flange structure includes flange plate, the flange plate is located at both ends of pipe body to realize the connection between pipe body, stiffener structure and flange structure.

[0007] Preferably, the inner ring of the stiffener ring is provided with circumferentially arrayed clamping grooves, and the stiffener strips pass through the clamping grooves and are clamped with the clamping grooves.

[0008] Preferably, the cross section of the stiffener strip is dovetail-shaped, and the shape of the clamping groove matches the shape of the stiffener strip.

[0009] Preferably, the stiffener strip is provided with a first threaded hole, the stiffener ring is provided with a first through hole corresponding to the clamping groove, a first bolt is arranged in the first through hole, the first bolt passes through the first through hole and is screw-connected in the first threaded hole.

[0010] Preferably, the end of the pipe body is provided with a second threaded hole, the flange plate is provided with a second through hole corresponding to the second threaded hole, and a second bolt is arranged in the second through hole and screwed into the second threaded hole.

[0011] Preferably, the side of the flange plate facing the pipe body is fixedly connected with a limiting ring, the inner ring of the limiting ring is provided with a slot, and the shape of the slot is consistent with the cross-sectional shape of the reinforcing rib.

[0012] Preferably, the cross section of the reinforcing rib plate is a right trapezoid.

[0013] Preferably, the side of the flange plate facing the pipe body is fixedly connected with a supporting ring, one end of the supporting ring away from the flange plate is inserted into the pipe body, the outer wall of the supporting ring is attached to the inner wall of the pipe body, and a sealing ring is arranged between the outer ring of the supporting ring and the pipe body.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1、In the application, the combination of the reinforcing rib, the reinforcing rib ring and the reinforcing rib plate forms a net-shaped reinforcing system, which not only greatly enhances the strength and rigidity of the pipe body, but also significantly improves the carrying pressure and load capacity thereof, and under complex and variable stress conditions, the reinforcing rib structure can effectively resist deformation and vibration, and ensure the stable operation of the pipeline, thereby effectively prolonging the service life.

[0016] 2、In the application, the net-shaped reinforcing rib structure optimizes stress distribution, effectively avoids the occurrence of stress concentration phenomenon, greatly reduces the risk of damage of the pipeline in the stress process, makes the pipe body show higher durability and adaptability in harsh environments such as high pressure, high temperature and corrosion, and reduces the frequency of pipeline damage and maintenance replacement caused by environmental factors. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the reinforcing rib structure of the high-toughness extruded groove steel pipe proposed in the utility model;

[0018] Figure 2 It is a reinforcing rib structure schematic view of the reinforcing rib structure of the high-toughness extruded groove steel pipe proposed in the utility model;

[0019] Figure 3 It is a partial sectional view schematic view of the reinforcing rib structure of the high-toughness extruded groove steel pipe proposed in the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic view of the reinforcing rib structure of the high-toughness extruded groove steel pipe proposed in the utility model; Figure 3 It is an enlarged schematic view of A in the middle.

[0021] Figure 5 A local explosion schematic view of the reinforcing rib structure of the high-toughness extruded grooved steel pipe reinforcing rib structure is provided in the utility model;

[0022] Figure 6 A flange structure schematic view of the high-toughness extruded grooved steel pipe reinforcing rib structure is provided in the utility model.

[0023] Legend: 100, pipe body; 101, second threaded hole; 200, reinforcing rib structure; 201, reinforcing rib ring; 202, reinforcing rib plate; 203, reinforcing rib strip; 204, clamping groove; 205, first threaded hole; 206, first through hole; 207, first bolt; 300, flange structure; 301, flange plate; 302, second through hole; 303, second bolt; 304, limiting ring; 305, insertion slot; 306, supporting ring; 307, sealing ring. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and examples. It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0026] As Figures 1-6 shown, the utility model provides a reinforcing rib structure of high-toughness extruded grooved steel pipe, including pipe body 100, reinforcing rib structure 200 that sets up in pipe body 100 inside and flange structure 300 that sets up in the both ends of pipe body 100, reinforcing rib structure 200 includes several reinforcing rib rings 201 that are spaced apart along the length direction of pipe body 100, the both sides of reinforcing rib ring 201 are fixedly connected with reinforcing rib plate 202, several reinforcing rib rings 201 are provided with reinforcing rib strips 203 that are distributed along the circumference of reinforcing rib ring 201 in array, reinforcing rib ring 201, reinforcing rib plate 202 and reinforcing rib strip 203 all adhere to the outer wall of pipe body 100, several reinforcing rib rings 201 and reinforcing rib strips 203 form a mesh, flange structure 300 includes flange plate 301, and flange plate 301 is located at the both ends of pipe body 100 to realize the connection between pipe body 100, reinforcing rib structure 200 and flange structure 300.

[0027] In the embodiment, the inner ring of reinforcing rib ring 201 is provided with clamping grooves 204 that are distributed in circumference array, and reinforcing rib strip 203 passes through clamping groove 204 and is clamped with clamping groove 204.

[0028] In the embodiment, the cross section of the reinforcing rib 203 is dovetail-shaped, the shape of the clamping groove 204 matches that of the reinforcing rib 203, the dovetail-shaped reinforcing rib 203 can uniformly disperse stress to the whole structure, avoid stress concentration, and improve overall strength and stability, and the reinforcing rib 203 is tightly matched with the reinforcing ring 201 through the clamping groove 204, thereby reducing looseness and wear.

[0029] In the embodiment, the first threaded hole 205 is arranged on the reinforcing rib 203, the first through hole 206 corresponding to the clamping groove 204 is arranged on the reinforcing ring 201, the first bolt 207 is arranged in the first through hole 206, the first bolt 207 passes through the first through hole 206 and is threadedly connected in the first threaded hole 205, the first bolt 207 passes through the first through hole 206 and is connected with the first threaded hole 205, and the connection between the reinforcing rib 203 and the reinforcing ring 201 is achieved.

[0030] In the embodiment, the second threaded hole 101 is arranged at the end of the pipe body 100, the second through hole 302 corresponding to the second threaded hole 101 is arranged on the flange plate 301, the second bolt 303 is arranged in the second through hole 302, the second bolt 303 passes through the second through hole 302 and is threadedly connected in the second threaded hole 101, the second bolt 303 passes through the second through hole 302 and is connected with the second threaded hole 101, the flange plate 301 and the pipe body 100 are connected, and the reinforcing rib 203 is compressed at the same time.

[0031] In the embodiment, the flange plate 301 is fixedly connected with the limiting ring 304 on the side facing the pipe body 100, the inner ring of the limiting ring 304 is provided with the insertion slot 305, the shape of the insertion slot 305 is consistent with the cross-sectional shape of the reinforcing rib 203, the end of the reinforcing rib 203 is inserted into the insertion slot 305, and after the reinforcing rib 203 is inserted into the insertion slot 305, the flange plate 301 is locked to limit and fix the reinforcing rib 203.

[0032] In the embodiment, the cross section of the reinforcing rib plate 202 is a right trapezoid, which can uniformly disperse stress to the whole structure, avoid stress concentration, thereby improving overall strength and rigidity, and the geometric shape makes it perform well when bearing bending and torsional force, and it is suitable for high-load environment.

[0033] In the embodiment, the flange plate 301 is fixedly connected with the support ring 306 on the side facing the pipe body 100, the end of the support ring 306 away from the flange plate 301 is inserted into the pipe body 100, the outer wall of the support ring 306 is attached to the inner wall of the pipe body 100, and the sealing ring 307 is arranged between the outer ring of the support ring 306 and the pipe body 100.

[0034] The use method and working principle of the device are as follows:

[0035] In use, first, the reinforcing rib 203 is inserted into the clamping groove 204 to be connected with the reinforcing rib ring 201, the first bolt 207 is inserted through the first through hole 206 and connected with the first threaded hole 205, the connection between the reinforcing rib 203 and the reinforcing rib ring 201 is realized, then the combined structure of the reinforcing rib 203 and the reinforcing rib ring 201 is sleeved on the pipe body 100, the reinforcing rib 203, the reinforcing rib ring 201 and the reinforcing rib plate 202 are all attached to the surface of the pipe body 100, then the flange plate 301 is placed at the end of the pipe body 100, the supporting ring 306 is inserted into the pipe body 100, the reinforcing rib 203 is inserted into the insertion slot 305, the second threaded hole 101 and the second through hole 302 are aligned, the second bolt 303 is inserted through the second through hole 302 and connected with the second threaded hole 101, the connection between the flange plate 301 and the pipe body 100 is realized, and the reinforcing rib 203 is compressed at the same time;

[0036] The mesh reinforcing rib structure 200 formed by the reinforcing rib 203, the reinforcing rib ring 201 and the reinforcing rib plate 202 can significantly enhance the strength and rigidity of the pipe body 100, improve the ability to bear large pressure and load, effectively resist deformation and vibration in the stress state, ensure the stability of the pipeline, and prolong the service life.

[0037] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.

Claims

1. A high-toughness extruded channel steel pipe reinforcing structure, comprising a pipe body (100), a reinforcing structure (200) arranged inside the pipe body (100), and a flange structure (300) arranged at both ends of the pipe body (100), characterized in that: The reinforcing rib structure (200) comprises a plurality of reinforcing rib rings (201) arranged at intervals along the length direction of the pipe body (100), both sides of the reinforcing rib ring (201) are fixedly connected with reinforcing rib plates (202), a plurality of reinforcing rib rings (201) are arranged with reinforcing rib strips (203) distributed in an array along the circumference of the reinforcing rib ring (201), the reinforcing rib ring (201), the reinforcing rib plate (202) and the reinforcing rib strip (203) are all attached to the outer wall of the pipe body (100), a plurality of reinforcing rib rings (201) and reinforcing rib strips (203) form a mesh, and the flange structure (300) comprises a flange plate (301), the flange plate (301) is located at both ends of the pipe body (100) to realize the connection between the pipe body (100), the reinforcing rib structure (200) and the flange structure (300).

2. A stiffener structure for a high toughness extracatded steel pipe according to claim 1, characterized in that: The inner ring of the reinforcing rib ring (201) is provided with circumferentially arrayed clamping grooves (204), and the reinforcing rib strip (203) passes through the clamping groove (204) and is clamped with the clamping groove (204).

3. A high toughness, extruded steel pipe reinforcing structure according to claim 2, wherein: The cross section of the reinforcing rib strip (203) is dovetail-shaped, and the shape of the clamping groove (204) matches the shape of the reinforcing rib strip (203).

4. A stiffener structure for a high toughness extracatate steel pipe according to claim 1, characterized in that: The reinforcing rib strip (203) is provided with a first threaded hole (205), the reinforcing rib ring (201) is provided with a first through hole (206) corresponding to the clamping groove (204), a first bolt (207) is arranged in the first through hole (206), the first bolt (207) passes through the first through hole (206) and is threadedly connected in the first threaded hole (205).

5. A stiffener structure for a high toughness extracatded steel pipe according to claim 1, wherein: The end of the pipe body (100) is provided with a second threaded hole (101), the flange plate (301) is provided with a second through hole (302) corresponding to the second threaded hole (101), a second bolt (303) is arranged in the second through hole (302), the second bolt (303) passes through the second through hole (302) and is threadedly connected in the second threaded hole (101).

6. A stiffener structure for a high toughness extruded steel pipe according to claim 1, characterized in that: The side of the flange plate (301) facing the pipe body (100) is fixedly connected with a limiting ring (304), the inner ring of the limiting ring (304) is provided with an insertion groove (305), the shape of the insertion groove (305) is consistent with the cross-sectional shape of the reinforcing rib strip (203), and the end of the reinforcing rib strip (203) is inserted into the insertion groove (305).

7. A high ductility slotted steel pipe reinforcing structure according to claim 1, wherein: The cross section of the reinforcing rib plate (202) is a right-angle trapezoid.

8. A high ductility slotted steel pipe reinforcing structure according to claim 1, wherein: The side of the flange plate (301) facing the pipe body (100) is fixedly connected with a supporting ring (306), one end of the supporting ring (306) away from the flange plate (301) is inserted into the pipe body (100), the outer wall of the supporting ring (306) is attached to the inner wall of the pipe body (100), and a sealing ring (307) is arranged between the outer ring of the supporting ring (306) and the pipe body (100).

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