Compression-resistant aluminized steel pipe

Abstract

The utility model discloses a compression-resistant aluminized steel pipe which comprises a steel pipe body, sliding grooves are formed in the surface of the steel pipe body, reinforcing ribs are connected to the surface of the steel pipe body in a sliding mode through the sliding grooves, and connecting flanges are arranged at the two ends of the steel pipe body. A tensioning mechanism used for adjusting the tightness of the reinforcing ribs is arranged between the reinforcing ribs and the connecting flange and comprises a connecting cylinder, the connecting cylinder is slidably connected with the surface of the steel pipe body, the surface of the connecting cylinder is in threaded connection with an adjusting cylinder, and the end, away from the connecting cylinder, of the adjusting cylinder is fixedly connected with the connecting flange. The utility model relates to the technical field of steel pipes. According to the compression-resistant aluminized steel pipe, the tensioning mechanism is arranged, the adjusting cylinder is rotated, the adjusting cylinder rotates to drive the connecting cylinder to slide along the surface of the steel pipe body, the connecting cylinder slides to tighten the reinforcing ribs through the connecting blocks, the reinforcing ribs tighten to reinforce the steel pipe body, and the compression resistance of the steel pipe body is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipes, in particular to a pressure-resistant aluminum-infiltrated steel pipe. Background Art

[0002] Steel pipes are mainly used for transporting fluids and powdered solids, exchanging heat, and manufacturing mechanical parts and containers. They are an economical steel material and are widely used in the chemical, pharmaceutical and construction industries. The steel pipes currently used are cylindrical steel pipes. When encountering external or internal pressure shocks, the steel pipes will be deformed or damaged due to the pressure. Therefore, compression rings and reinforcement ribs are used in combination to improve the compression resistance of the steel pipes.

[0003] According to patent authorization announcement number CN 218883275 U, a pressure-resistant aluminum-infiltrated steel pipe includes a first steel pipe and a second steel pipe, the two ends of the first steel pipe are fixedly connected with a symmetrical first flange fixing ring, the two ends of the second steel pipe are fixedly connected with a symmetrical second flange fixing ring, the first flange fixing ring and the second flange fixing ring are provided with staggered clearance grooves in the inner ring, the clearance grooves are multiple and equidistant, and the clearance grooves are provided with reinforcing ribs of the same length as the first steel pipe or the second steel pipe, the first flange fixing ring and the second flange fixing ring are provided with a first bolt, and one end of the first bolt is threadedly connected with a first nut. In existing pressure-resistant aluminum-infiltrated steel pipes, such as the above-mentioned utility model, the reinforcing ribs are only connected to the steel pipes through flanges, and the tension of the reinforcing ribs cannot be adjusted, resulting in the reinforcing ribs having a very limited improvement on the compression resistance of the steel pipe body. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a pressure-resistant aluminized steel pipe, which solves the problem that in the existing pressure-resistant aluminized steel pipe, the reinforcing ribs are only connected to the steel pipe through flanges, and the tension of the reinforcing ribs cannot be adjusted, resulting in very limited improvement of the compressive resistance of the steel pipe body by the reinforcing ribs.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a pressure-resistant aluminum-infiltrated steel pipe, including a steel pipe body, a slide groove is opened on the surface of the steel pipe body, and the surface of the steel pipe body is slidably connected with a reinforcing rib through the slide groove, and connecting flanges are provided at both ends of the steel pipe body. A tensioning mechanism for adjusting the tightness of the reinforcing rib is provided between the reinforcing rib and the connecting flange, and the tensioning mechanism includes a connecting tube, which is slidably connected to the surface of the steel pipe body, and the surface of the connecting tube is threadedly connected with an adjusting tube, and the end of the adjusting tube away from the connecting tube is fixedly connected to the connecting flange.

[0006] Preferably, a connecting groove is formed through the surface of the connecting tube, the reinforcing rib passes through the connecting tube through the connecting groove and extends to the inside of the connecting tube, one end of the reinforcing rib located inside the connecting tube is fixedly connected with a connecting block, and the connecting block is slidably connected to the connecting groove.

[0007] Preferably, a sealing groove is provided on one side of the connecting flange, and a sealing ring is provided inside the sealing groove.

[0008] Preferably, the connecting flange is rotatably connected to the end of the steel pipe body, and a connecting screw hole is penetrated through the surface of the connecting flange, and a plurality of the connecting screw holes are equidistantly arranged.

[0009] Preferably, the steel pipe body is an aluminum-infiltrated steel pipe, the inner wall of the steel pipe body is coated with a sterilization coating, and the surface of the steel pipe body is coated with a protective layer.

[0010] Preferably, a limiting ring is provided on the surface of the steel pipe body, and a limiting groove matching the reinforcing rib is formed on the inner wall of the limiting ring.

[0011] Beneficial Effects

[0012] The utility model provides a pressure-resistant aluminum-infiltrated steel pipe. Compared with the prior art, it has the following beneficial effects:

[0013] (1) The compression-resistant aluminum-infiltrated steel pipe has a sliding groove on the surface of the steel pipe body, and the surface of the steel pipe body is slidably connected with a reinforcing rib through the sliding groove. Both ends of the steel pipe body are provided with connecting flanges, and a tensioning mechanism for adjusting the tightness of the reinforcing rib is provided between the reinforcing rib and the connecting flange. A limiting ring is provided on the surface of the steel pipe body, and a limiting groove matched with the reinforcing rib is provided on the inner wall of the limiting ring. The reinforcing rib is inserted into the sliding groove on the surface of the steel pipe body, and the reinforcing rib is limited by the limiting ring, so as to ensure the compression resistance of the steel pipe body.

[0014] (2) The compression-resistant aluminum-infiltrated steel pipe includes a connecting tube through a tensioning mechanism. The connecting tube is slidably connected to the surface of the steel pipe body. The surface of the connecting tube is threadedly connected with an adjusting tube. The end of the adjusting tube away from the connecting tube is fixedly connected to the connecting flange. A connecting groove is penetrated through the surface of the connecting tube. A reinforcing rib penetrates the connecting tube through the connecting groove and extends to the inside of the connecting tube. One end of the reinforcing rib located inside the connecting tube is fixedly connected with a connecting block. The connecting block is slidably connected to the connecting groove. Through the setting of the tensioning mechanism, the adjusting tube is rotated. The rotation of the adjusting tube drives the connecting tube to slide along the surface of the steel pipe body. The sliding of the connecting tube passes through the connecting block to tighten the reinforcing rib. The tightening of the reinforcing rib strengthens the steel pipe body, thereby effectively improving the compression resistance of the steel pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the main body of the steel pipe of the utility model;

[0017] Figure 3It is a three-dimensional diagram of the tensioning mechanism of the utility model;

[0018] Figure 4 It is a stereoscopic diagram of the limiting ring of the utility model.

[0019] In the figure: 1 steel pipe body, 2 slide groove, 3 reinforcement rib, 4 connecting flange, 5 tensioning mechanism, 51 connecting cylinder, 52 adjusting cylinder, 53 connecting groove, 54 connecting block, 6 sealing ring, 7 connecting screw hole, 8 limiting ring, 9 limiting groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides two technical solutions:

[0022] Figure 1-4 The first embodiment is shown: a pressure-resistant aluminum-infiltrated steel pipe, comprising a steel pipe body 1, the steel pipe body 1 is an aluminum-infiltrated steel pipe, the inner wall of the steel pipe body is coated with a sterilization coating, the surface of the steel pipe body 1 is coated with a protective layer, the surface of the steel pipe body 1 is provided with a slide groove 2, the surface of the steel pipe body 1 is slidably connected with a reinforcing rib 3 through the slide groove 2, a limiting ring 8 is provided on the surface of the steel pipe body 1, and a limiting groove 9 matched with the reinforcing rib 3 is provided on the inner wall of the limiting ring 8, connecting flanges 4 are provided at both ends of the steel pipe body 1, a sealing groove is provided on one side of the connecting flange 4, a sealing ring 6 is provided inside the sealing groove, the connecting flange 4 is rotatably connected to the end of the steel pipe body 1, a connecting screw hole 7 is provided through the surface of the connecting flange 4, and a plurality of connecting screw holes 7 are equidistantly arranged, and a tensioning mechanism 5 for adjusting the tightness of the reinforcing rib 3 is provided between the reinforcing rib 3 and the connecting flange 4.

[0023] Figure 2 and 3 A second embodiment is shown, which mainly differs from the first embodiment in that the tensioning mechanism 5 includes a connecting tube 51, which is slidably connected to the surface of the steel pipe body 1, and an adjusting tube 52 is threadedly connected to the surface of the connecting tube 51. The end of the adjusting tube 52 away from the connecting tube 51 is fixedly connected to the connecting flange 4, and a connecting groove 53 is formed through the surface of the connecting tube 51. The reinforcing rib 3 passes through the connecting tube 51 through the connecting groove 53 and extends to the inside of the connecting tube 51. The end of the reinforcing rib 3 located inside the connecting tube 51 is fixedly connected to a connecting block 54, and the connecting block 54 is slidably connected to the connecting groove 53.

[0024] The adjusting cylinder 52 is rotated, and the rotation of the adjusting cylinder 52 drives the connecting cylinder 51 to slide along the surface of the steel pipe body 1. The connecting cylinder 51 slides through the connecting block 54 to tighten the reinforcing rib 3. The tightening of the reinforcing rib 3 strengthens the steel pipe body 1, effectively improving the compression resistance of the steel pipe body 1.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant aluminized steel pipe, comprising a steel pipe body (1), characterized in that: The surface of the steel pipe body (1) is provided with a slide groove (2), and the surface of the steel pipe body (1) is slidably connected with a reinforcing rib (3) through the slide groove (2). Both ends of the steel pipe body (1) are provided with connecting flanges (4). A tensioning mechanism (5) for adjusting the tightness of the reinforcing rib (3) is provided between the reinforcing rib (3) and the connecting flange (4). The tensioning mechanism (5) comprises a connecting tube (51), and the connecting tube (51) is slidably connected to the surface of the steel pipe body (1). The surface of the connecting tube (51) is threadedly connected with an adjusting tube (52), and the end of the adjusting tube (52) away from the connecting tube (51) is fixedly connected to the connecting flange (4).

2. A compression-resistant aluminized steel pipe according to claim 1, characterized in that: A connecting groove (53) is formed through the surface of the connecting tube (51), and the reinforcing rib (3) passes through the connecting tube (51) through the connecting groove (53) and extends into the interior of the connecting tube (51). One end of the reinforcing rib (3) located inside the connecting tube (51) is fixedly connected to a connecting block (54), and the connecting block (54) is slidably connected to the connecting groove (53).

3. The compression-resistant aluminized steel pipe according to claim 1, characterized in that: A sealing groove is provided on one side of the connecting flange (4), and a sealing ring (6) is arranged inside the sealing groove.

4. The compression-resistant aluminized steel pipe according to claim 1, characterized in that: The connecting flange (4) is rotatably connected to the end of the steel pipe body (1), and a connecting screw hole (7) is penetrated through the surface of the connecting flange (4), and a plurality of the connecting screw holes (7) are arranged at equal distances.

5. The compression-resistant aluminized steel pipe according to claim 1, characterized in that: The steel pipe body (1) is an aluminum-infiltrated steel pipe, the inner wall of the steel pipe body is coated with a sterilization coating, and the surface of the steel pipe body (1) is coated with a protective layer.

6. The compression-resistant aluminized steel pipe according to claim 1, characterized in that: A limiting ring (8) is provided on the surface of the steel pipe body (1), and a limiting groove (9) matching the reinforcing rib (3) is provided on the inner wall of the limiting ring (8).

Images