Composite high-strength finish rolling steel pipe

Abstract

The utility model discloses a composite high-strength finish rolling steel pipe which comprises a pipe body, a bottom pipe is arranged at the bottom end of the pipe body, a top pipe is arranged at the top end of the pipe body, reinforcing ribs are arranged in the pipe body and distributed in an annular matrix mode around the center of the pipe body, and tension bands are fixedly connected to the outer surfaces of the reinforcing ribs. Inner rings of the reinforcing ribs are fixedly connected with stirrups; the bottom pipe is arranged at the bottom end of the pipe body, the top pipe is arranged at the top end of the pipe body, the reinforcing ribs welded in the bottom pipe can penetrate through the pipe body, the tension bands serve as stress points between the inner wall of the pipe body and the reinforcing ribs in the pipe body, the reinforcing ribs are fixedly supported through the tension bands, and then single-point force can be transmitted to all the reinforcing ribs and the tension bands; and the effect of dispersing transverse force is achieved, the transverse stress strength of the pipe body is improved, and the situation that the pipe body is bent and sunken due to transverse stress is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of precision rolled steel pipes, in particular to a composite high-strength precision rolled steel pipe. Background Art

[0002] The precision rolled steel pipe is a seamless steel pipe produced by the cold rolling process. It has the characteristics of high precision and high surface finish. With its high precision, high surface finish and excellent comprehensive performance, it plays an important role in many fields.

[0003] In order to improve the performance of steel pipes, other raw materials and structures are added during the production process to form composite steel pipes that can withstand greater pressure and load. However, the steel pipes themselves are mostly hollow tube structures, which will bend and dent when subjected to lateral forces and are not easy to recover. Therefore, a composite high-strength precision-rolled steel pipe was proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a composite high-strength precision-rolled steel pipe.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A composite high-strength precision-rolled steel pipe includes a pipe body, wherein a bottom pipe is provided at the bottom end of the pipe body, a top pipe is provided at the top end of the pipe body, and reinforcing ribs are provided inside the pipe body. The reinforcing ribs are distributed in a central annular matrix of the pipe body, a hoop is fixedly connected to the outer surface of the reinforcing rib, and a hoop is fixedly connected to the inner ring of the reinforcing rib.

[0007] Preferably, the interior of the bottom tube is fixedly connected to a base, and the bottom end of the reinforcing rib is fixedly connected to the upper surface of the base.

[0008] Preferably, the outer surface of the hoop abuts against the inner wall of the tube body, and the hoop and the stirrup are indirectly staggered.

[0009] Preferably, a thread groove is provided on the lower portion of the outer surface of the tube body, and a thread ring is provided on the inner wall of the bottom tube, and the textures of the thread ring and the thread groove match each other.

[0010] Preferably, a top plate is fixedly connected to the interior of the top pipe, and a through opening is opened through the surface of the top plate.

[0011] Preferably, the top end of the reinforcing rib extends into the top pipe and passes through the top plate, and the reinforcing rib is slidably connected in the through opening.

[0012] Preferably, a locking ring is provided on the outside of the portion of the reinforcing rib extending out from the upper surface of the top plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. By setting a bottom tube at the bottom end of the pipe body and a top tube at the top end, and the reinforcement ribs welded inside the bottom tube will penetrate the pipe body, a hoop is used inside the pipe body as the force point between the inner wall of the pipe body and the reinforcement ribs. The reinforcement ribs are fixed and supported by the hoop, and then the single-point force is transmitted to all the reinforcement ribs and hoop, achieving the effect of dispersing the lateral force, improving the lateral force strength of the pipe body, and reducing the bending and concavity of the pipe body under lateral force;

[0015] 2. By providing thread grooves and thread rings on the outer wall of the tube body and the inner wall of the bottom tube respectively, the tube body can be installed inside the base by rotating the tube body. The top of the reinforcing rib passes through the top plate inside the top tube and is locked by a locking ring, thereby realizing the detachability of the composite fine-rolled steel tube, facilitating installation and subsequent recycling and reuse, and achieving the effect of resource reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a composite high-strength precision-rolled steel pipe proposed in the present invention;

[0017] Figure 2 This is a schematic diagram of the split structure of a composite high-strength precision-rolled steel pipe proposed in the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the bottom tube of a composite high-strength precision-rolled steel tube proposed in the present invention;

[0019] Figure 4 This is a schematic diagram of the internal structure of a composite high-strength precision-rolled steel pipe jacking pipe proposed in the present invention;

[0020] In the figure: 1. Tube body; 2. Bottom tube; 3. Top tube; 4. Base; 5. Reinforcement rib; 6. Hoop; 7. Hoop; 8. Thread groove; 9. Thread ring; 10. Top plate; 11. Through port; 12. Locking ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1 、 Figure 2 and Figure 3A composite high-strength precision rolled steel pipe comprises a pipe body 1, a bottom pipe 2 is provided at the bottom end of the pipe body 1, a reinforcing rib 5 is provided inside the pipe body 1, the reinforcing rib 5 is distributed in a central ring matrix of the pipe body 1, the outer surface of the reinforcing rib 5 is fixedly connected with a hoop 6, the inner ring of the reinforcing rib 5 is fixedly connected with a hoop 7, the inner part of the bottom pipe 2 is fixedly connected with a base 4, the bottom end of the reinforcing rib 5 is fixedly connected to the upper surface of the base 4, the outer surface of the hoop 6 abuts against the inner wall of the pipe body 1, the hoop 6 and the hoop 7 are indirectly staggered, and the vertical The lateral reinforcement ribs 5 can improve the supporting capacity of the tube body 1, and the hoop 6 is used inside the tube body 1 as the force point between the inner wall of the tube body 1 and the reinforcement rib 5. The lateral force exerted on the tube body 1 will be transmitted to the hoop 6, and then transmitted to the reinforcement rib 5 through the hoop 6. Since the reinforcement rib 5 is fixedly supported by the hoop 6, the single-point force will be transmitted to all the reinforcement ribs 5 and the hoop 6, thereby achieving the effect of dispersing the lateral force, improving the lateral force strength of the tube body 1, and reducing the bending and depression of the tube body 1 under lateral force.

[0023] Reference Figure 1 、 Figure 2 and Figure 4 , a top tube 3 is provided at the top of the tube body 1, a thread groove 8 is provided on the lower part of the outer surface of the tube body 1, a thread ring 9 is provided on the inner wall of the bottom tube 2, and the thread ring 9 matches the thread groove 8 in texture. The inside of the top tube 3 is fixedly connected with a top plate 10, and a through-hole 11 is provided on the surface of the top plate 10. The top of the reinforcing rib 5 extends into the top tube 3 and passes through the top plate 10. The reinforcing rib 5 is slidably connected in the through-hole 11. A locking ring 12 is provided on the outside of the part of the reinforcing rib 5 extending out of the upper surface of the top plate 10 to align the tube body 1 The reinforcing rib 5 is sleeved on its periphery until the tube body 1 contacts the bottom tube 2. The tube body 1 can be installed inside the base 4 by rotating the tube body 1, and then the top tube 3 can be installed on the top of the tube body 1. The through-opening 11 is aligned with the corresponding reinforcing rib 5 and the top tube 3 can be pressed downward. The reinforcing rib 5 will emerge from the through-opening 11. Finally, the locking ring 12 is locked on the end of the reinforcing rib 5 to complete the installation, thereby realizing the detachability of the composite fine-rolled steel pipe, facilitating installation and subsequent recycling and reuse, and achieving the effect of resource reuse.

[0024] The specific working principle of the present invention is as follows: the composite steel pipe consists of a pipe body 1, a bottom pipe 2 and a top pipe 3. After all the components are produced, they are installed. First, the reinforcing rib 5 is surrounded and welded to the outer surface of the hoop 7. Then, the bottom end of the reinforcing rib 5 is aligned with the base 4 inside the bottom pipe 2 and welded. Then, the hoop 6 is sleeved and welded to the outside of the rib ring composed of the reinforcing rib 5. The pipe body 1 is aligned with the reinforcing rib 5 and sleeved to its periphery until the pipe body 1 contacts the bottom pipe 2. Since the outer wall of the pipe body 1 and the inner wall of the bottom pipe 2 are respectively provided with a thread groove 8 and a thread ring 9, the pipe body 1 can be rotated at this time to install the pipe body 1 inside the base 4. Then, the top pipe 3 can be installed on the top of the pipe body 1. The through-port 11 is aligned with the corresponding reinforcing rib 5 and the top pipe 3 can be pressed downward, and the reinforcing rib 5 will come out of the through-port 11 After the pipe is completely installed, the vertical reinforcement 5 can be used to improve the supporting capacity of the pipe body 1. The hoop 6 is used as the force point between the inner wall of the pipe body 1 and the reinforcement 5 inside the pipe body 1. The lateral force on the pipe body 1 will be transmitted to the hoop 6, and then transmitted to the reinforcement 5 through the hoop 6. Since the reinforcement 5 is fixedly supported by the hoop 6, the single-point force will be transmitted to all the reinforcement ribs 5 and the hoop 6, thereby achieving the effect of dispersing the lateral force, improving the lateral force strength of the pipe body 1, and reducing the bending and depression of the pipe body 1 under lateral force.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A composite high-strength precision rolled steel pipe, comprising a pipe body (1), characterized in that: The bottom end of the tube body (1) is provided with a bottom tube (2), the top end of the tube body (1) is provided with a top tube (3), the interior of the tube body (1) is provided with reinforcing ribs (5), the reinforcing ribs (5) are distributed in a central annular matrix of the tube body (1), the outer surface of the reinforcing ribs (5) is fixedly connected to a hoop (6), and the inner ring of the reinforcing ribs (5) is fixedly connected to a hoop (7).

2. The composite high-strength precision rolled steel pipe according to claim 1, characterized in that: The interior of the bottom tube (2) is fixedly connected to a base (4), and the bottom end of the reinforcing rib (5) is fixedly connected to the upper surface of the base (4).

3. The composite high-strength precision rolled steel pipe according to claim 1, characterized in that: The outer surface of the hoop (6) abuts against the inner wall of the tube body (1), and the hoop (6) and the stirrup (7) are indirectly staggered.

4. The composite high-strength precision rolled steel pipe according to claim 1, characterized in that: A thread groove (8) is provided on the lower portion of the outer surface of the tube body (1), and a thread ring (9) is provided on the inner wall of the bottom tube (2), wherein the textures of the thread ring (9) and the thread groove (8) match each other.

5. The composite high-strength precision rolled steel pipe according to claim 1, characterized in that: A top plate (10) is fixedly connected to the interior of the top pipe (3), and a through opening (11) is provided through the surface of the top plate (10).

6. The composite high-strength precision rolled steel pipe according to claim 1, characterized in that: The top end of the reinforcing rib (5) extends into the top pipe (3) and passes through the top plate (10), and the reinforcing rib (5) is slidably connected in the through opening (11).

7. The composite high-strength precision rolled steel pipe according to claim 1, characterized in that: A locking ring (12) is provided on the outside of the portion of the reinforcing rib (5) extending out of the upper surface of the top plate (10).

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