High-strength wear-resistant composite stainless steel pipe for special equipment
Patent Information
- Application Number
- CN202522604811.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-09
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-12-09
AI Technical Summary
[0003]不锈钢管在安装时部分通过法兰进行连接，如此需要将管道对齐，然后进行固定，对齐需要保持法兰孔处于对齐状态，如此需要设备配合，导致安装费时费力，同时管道在安装时需要吊装移动，容易破坏管道外侧的保护层，导致管道外侧具有薄弱点，所以急需要一种装置来解决上述问题
1、本实用新型在使用时管道主体相互对齐拼接，使得空心定位筒穿入相邻的连接法兰上的第一安装孔内部，如此完成初步拼接工作，之后通过连接螺栓穿过空心定位筒进行安装即可，通过空心定位筒辅助进行拼接定位，无需额外设备辅助稳定对齐工作，从而方便管道主体的安装工作；
Smart Images
Figure CN224850347U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stainless steel pipe equipment, specifically a high-strength wear-resistant composite stainless steel pipe for special equipment. Background Technology
[0002] Stainless steel pipe is a hollow, long, round steel material, mainly used in industrial pipelines for petroleum, chemical, medical, food, light industry, and machinery, as well as mechanical structural components. In addition, it is lighter in weight while maintaining the same bending and torsional strength, so it is also widely used in the manufacture of mechanical parts and engineering structures.
[0003] Stainless steel pipes are sometimes connected via flanges during installation. This requires aligning the pipes before fixing them, and ensuring that the flange holes are aligned. This requires equipment coordination, making installation time-consuming and labor-intensive. In addition, the pipes need to be hoisted and moved during installation, which can easily damage the outer protective layer of the pipes, resulting in weak points on the outer side. Therefore, there is an urgent need for a device to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a high-strength, wear-resistant composite stainless steel pipe for special equipment, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-strength wear-resistant composite stainless steel pipe for special equipment, comprising a pipe body, a connecting flange fixedly installed on the outer side of the pipe body, a first mounting hole provided on the connecting flange, a protective mechanism for convenient protection of the connecting flange provided on the outer side of the pipe body, a sealing groove provided on one side of the connecting flange, and a hollow positioning cylinder fixedly embedded in the inner side of the first mounting hole on one side. In use, the pipe bodies are aligned and spliced together, so that the hollow positioning cylinder passes into the first mounting hole on the adjacent connecting flange, thus completing the initial splicing work. Then, the pipe body can be installed by passing the connecting bolt through the hollow positioning cylinder. The hollow positioning cylinder assists in the splicing and positioning, eliminating the need for additional equipment to assist in the stable alignment work, thereby facilitating the installation of the pipe body.
[0006] Preferably, the pipe body further includes an inner pipe, a groove, and a slider. The slider is fixed to the inner wall of the pipe body, the inner pipe is slidably disposed inside the pipe body, and the groove is formed on the outer side of the inner pipe. In use, the inner pipe is slidably installed inside the pipe body through the groove and the slider, and then the flange is welded. At this time, the pipe body assembly is completed. The pipe body protects the inner pipe and prevents the outer protective layer from being damaged by collision during the movement and installation process, thereby ensuring the overall service life of the pipe.
[0007] Preferably, the protective mechanism includes a movable sleeve, a fixed ring, a rubber ring, and a second mounting hole. The movable sleeve is movably fitted onto the outside of the pipe body. The rubber ring is bonded and fixed to the inner wall of the movable sleeve. The fixed ring is fixed to the outside of the movable sleeve. The second mounting hole is located on the fixed ring. In use, after the connecting flanges are installed with connecting bolts, the movable sleeve is moved along the pipe body until they contact each other. At this point, the second mounting hole is aligned, and then it can be fixed with bolts, so that the connecting flange is located inside the movable sleeve. This creates a relatively sealed environment for the connecting flange, thereby reducing the rate of corrosion of the connecting flange by the external environment and extending the service life of the pipe body after connection.
[0008] Preferably, the slider fits into the groove.
[0009] Preferably, two movable sleeves are provided, symmetrically installed on both sides of the pipe body.
[0010] Preferably, the inner side of the rubber ring and the pipe body are in a movable sealing contact.
[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. In use, the main body of the pipe is aligned and spliced together, so that the hollow positioning cylinder is inserted into the first mounting hole on the adjacent connecting flange, thus completing the initial splicing work. Then, the pipe can be installed by passing the connecting bolt through the hollow positioning cylinder. The splicing and positioning is assisted by the hollow positioning cylinder, and no additional equipment is needed to assist in the stable alignment work, thus facilitating the installation of the main body of the pipe. 2. In use, the inner pipe is slidably installed inside the pipe body through a sliding groove and a slider. Then, the flange is welded and connected. At this time, the pipe body is assembled. The pipe body protects the inner pipe and prevents the outer protective layer from being damaged by collision during the movement and installation process, thereby ensuring the overall service life of the pipe. 3. When using this utility model, after the connecting flanges are installed with connecting bolts, the movable sleeve is moved along the main body of the pipe until they come into contact with each other. At this time, the second mounting hole is aligned, and then it can be fixed with bolts, so that the connecting flange is located inside the movable sleeve. This makes the connecting flange in a relatively sealed environment, thereby reducing the rate of corrosion of the connecting flange by the external environment and extending the service life of the pipe body after connection. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of a high-strength wear-resistant composite stainless steel pipe for special equipment according to this utility model; Figure 2 This is a first sectional view of a high-strength wear-resistant composite stainless steel pipe for special equipment according to this utility model; Figure 3 This is a second sectional view of a high-strength wear-resistant composite stainless steel pipe for special equipment according to this utility model.
[0013] In the diagram: 1. Pipe body; 2. Connecting flange; 3. Sealing groove; 4. Hollow positioning cylinder; 5. First mounting hole; 6. Inner pipe; 7. Slide groove; 8. Sliding block; 9. Movable sleeve; 10. Rubber ring; 11. Fixing ring; 12. Second mounting hole. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0015] Please see Figure 1-3 This utility model provides a high-strength wear-resistant composite stainless steel pipe for special equipment, including a pipe body 1. A connecting flange 2 is welded and fixed to the outside of the pipe body 1. A first mounting hole 5 is opened on the connecting flange. A protective mechanism is provided on the outside of the pipe body 1 to facilitate the protection of the connecting flange 2. A sealing groove 3 is opened on one side of the connecting flange 2. A hollow positioning cylinder 4 is embedded and fixed inside the first mounting hole 5 on one side. In use, the pipe bodies 1 are aligned and spliced so that the hollow positioning cylinder 4 passes into the first mounting hole 5 on the adjacent connecting flange 2, thus completing the initial splicing work. Then, the pipe body 1 can be installed by passing the connecting bolt through the hollow positioning cylinder 4. The hollow positioning cylinder 4 assists in the splicing and positioning, eliminating the need for additional equipment to assist in the stable alignment work, thereby facilitating the installation of the pipe body 1.
[0016] The main body of the pipeline 1 also includes an inner pipe 6, a groove 7, and a slider 8. The slider 8 is welded and fixed to the inner wall of the main body of the pipeline 1. The inner pipe 6 slides inside the main body of the pipeline 1. The groove 7 is opened on the outer side of the inner pipe 6. The slider 8 fits into the groove 7. In use, the inner pipe 6 is slidably installed inside the main body of the pipeline 1 through the groove 7 and the slider 8. Then, the flange 2 is welded and connected. At this time, the main body of the pipeline 1 is assembled. The main body of the pipeline 1 protects the inner pipe 6 and prevents the outer protective layer from being damaged by collision during the movement and installation process, thereby ensuring the overall service life of the pipeline.
[0017] The protective mechanism includes a movable sleeve 9, a fixed ring 11, a rubber ring 10, and a second mounting hole 12. The movable sleeve 9 is movably fitted onto the outside of the pipe body 1. There are two movable sleeves 9, symmetrically installed on both sides of the pipe body 1. The rubber ring 10 is bonded and fixed to the inner wall of the movable sleeve 9, and there is a movable sealing contact between the inner side of the rubber ring 10 and the pipe body 1. The fixed ring 11 is welded and fixed to the outside of the movable sleeve 9. The second mounting hole 12 is opened on the fixed ring 11. In use, after the connecting flanges 2 are installed with connecting bolts, the movable sleeve 9 is moved along the pipe body 1 until they come into contact with each other. At this time, the second mounting hole 12 is aligned, and then it can be fixed with bolts, so that the connecting flanges 2 are located inside the movable sleeve 9. This makes the connecting flanges 2 in a relatively sealed environment, thereby reducing the rate of corrosion of the connecting flanges 2 by the external environment and extending the service life of the pipe body 1 after connection.
[0018] Working Principle: During use, the pipe bodies 1 are aligned and spliced together, allowing the hollow positioning cylinder 4 to penetrate into the first mounting hole 5 on the adjacent connecting flange 2, thus completing the initial splicing. Afterwards, installation is achieved by passing connecting bolts through the hollow positioning cylinder 4. The hollow positioning cylinder 4 assists in splicing and positioning, eliminating the need for additional equipment for stable alignment, thus facilitating the installation of the pipe bodies 1. During use, the inner pipe 6 is slidably installed inside the pipe body 1 via the sliding groove 7 and the slider 8. Then, the connecting flange 2 is welded, completing the assembly of the pipe body 1. The pipe body 1 protects the inner pipe 6, preventing damage to the outer protective layer during movement and installation, thereby ensuring the overall service life of the pipe. After the connecting flanges 2 are installed with connecting bolts, the movable sleeve 9 is moved along the pipe body 1 until they contact each other. At this point, the second mounting hole 12 is aligned, and then it is fixed with bolts, placing the connecting flange 2 inside the movable sleeve 9. This creates a relatively sealed environment for the connecting flange 2, reducing the rate of corrosion from the external environment and extending the service life of the pipe body 1 after connection.
[0019] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0020] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high-strength wear-resistant composite stainless steel pipe for special equipment, comprising a pipe body (1), characterized in that: A connecting flange (2) is fixedly installed on the outside of the main body of the pipe (1). A first mounting hole (5) is opened on the connecting flange. A protective mechanism for the connecting flange (2) is provided on the outside of the main body of the pipe (1). A sealing groove (3) is opened on one side of the connecting flange (2). A hollow positioning cylinder (4) is fixedly installed inside the first mounting hole (5) on one side.
2. The high-strength wear-resistant composite stainless steel pipe for special equipment according to claim 1, characterized in that: The main body of the pipe (1) also includes an inner pipe (6), a groove (7) and a slider (8). The slider (8) is fixed on the inner wall of the main body of the pipe (1). The inner pipe (6) is slidably disposed inside the main body of the pipe (1). The groove (7) is opened on the outside of the inner pipe (6).
3. The high-strength wear-resistant composite stainless steel pipe for special equipment according to claim 2, characterized in that: The protective mechanism includes a movable sleeve (9), a fixed ring (11), a rubber ring (10), and a second mounting hole (12). The movable sleeve (9) is movably sleeved on the outside of the pipe body (1). The rubber ring (10) is bonded and fixed on the inner side wall of the movable sleeve (9). The fixed ring (11) is fixed on the outside of the movable sleeve (9). The second mounting hole (12) is opened on the fixed ring (11).
4. The high-strength wear-resistant composite stainless steel pipe for special equipment according to claim 3, characterized in that: The slider (8) fits into the groove (7).
5. The high-strength wear-resistant composite stainless steel pipe for special equipment according to claim 4, characterized in that: Two movable sleeves (9) are provided, symmetrically installed on both sides of the pipe body (1).
6. The high-strength wear-resistant composite stainless steel pipe for special equipment according to claim 5, characterized in that: The inner side of the rubber ring (10) is in a movable sealing contact with the pipe body (1).