Environment-friendly leakage-free loading arm

Abstract

The utility model discloses an environment-friendly leakage-free crane pipe, which relates to the field of crane pipes and comprises a conveying crane pipe, a first sealing ring and a second sealing ring are mounted in the conveying crane pipe, an insertion pipe is mounted at one end of the conveying crane pipe, a connecting pipe is fixedly connected to the top of the insertion pipe, and a first sealing ring and a second sealing ring are mounted at the other end of the conveying crane pipe. By moving the connecting pipe, the inserting pipe is inserted into one end of the conveying crane pipe, the first sealing ring and the second sealing ring can be clamped into grooves formed in the inserting pipe correspondingly, and the effect of improving the sealing performance of the connecting position of the conveying crane pipe and the connecting pipe is achieved; bolts penetrate through the fixing plates and rotate, the bolts can be inserted into the threaded holes to be limited, the effect that the conveying crane pipe and the connecting pipe are conveniently installed and connected is achieved, the inner wall of the conveying crane pipe is fixedly connected with an anti-impact layer, and the anti-impact performance of the conveying crane pipe can be improved.

Description

Technical Field

[0001] The utility model relates to the field of loading arms, in particular to an environment-friendly leak-free loading arm. Background Technique

[0002] A loading arm is a special equipment in the fluid loading and unloading process of the petrochemical industry, also known as a fluid loading and unloading arm. It is connected by a swivel joint to a rigid pipe and an elbow to realize the movable equipment for transferring liquid media between railway tank cars, road tank cars and the storage and transportation pipelines on the trestle, replacing the old-fashioned hose connection. Although the current loading arm is convenient for disassembly and rotation, the sealing performance at the connection is poor, resulting in leakage of the transported liquid. Therefore, an environment-friendly leak-free loading arm is needed.

[0003] For the existing loading arm, during use, it is inconvenient to seal and connect the loading arm, and the corrosion resistance is poor. Therefore, an environment-friendly leak-free loading arm is urgently needed. Content of the Utility Model

[0004] Based on this, the purpose of the utility model is to provide an environment-friendly leak-free loading arm to solve the problems that the existing loading arm is inconvenient for sealing connection and has poor corrosion resistance.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an environment-friendly leak-free loading arm, including a conveying loading arm, a first sealing ring is installed inside the conveying loading arm, a second sealing ring is installed inside the conveying loading arm, a inserting pipe is installed at one end of the conveying loading arm, and a connecting pipe is fixedly connected to the top of the inserting pipe.

[0006] Threaded holes are opened inside the conveying loading arm, a fixing plate is installed at one end of the conveying loading arm, and a bolt is movably connected inside the fixing plate.

[0007] An impact-resistant layer is fixedly connected to the inner wall of the conveying loading arm, and a corrosion-resistant layer is fixedly connected to the inner wall of the impact-resistant layer.

[0008] Preferably, the inserting pipe is of a slotted design, and the inserting pipe is snap-connected to the conveying loading arm through the first sealing ring.

[0009] Preferably, the inserting pipe is snap-connected to the conveying loading arm through the second sealing ring, and the second sealing ring is arranged in parallel with the first sealing ring.

[0010] Preferably, the fixing plate is of an open-hole design, and the bolt is threadedly connected to the conveying loading arm through the threaded hole.

[0011] Preferably, the material of the impact-resistant layer is high manganese steel, and the material of the corrosion-resistant layer is copper oxide.

[0012] Preferably, the conveying loading arm is closely attached to the impact-resistant layer, and the impact-resistant layer is closely attached to the corrosion-resistant layer.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By providing a delivery swivel, a first sealing ring, a second sealing ring, an insertion tube and a connecting pipe, the connecting pipe is moved to insert the insertion tube into one end of the delivery swivel, so that the first sealing ring and the second sealing ring can be respectively clamped into the grooves formed in the insertion tube, thereby improving the sealing performance at the connection between the delivery swivel and the connecting pipe;

[0015] 2. By providing a delivery swivel, a connecting pipe, a threaded hole, a fixing plate and a bolt, the fixing plate is butted against one end of the delivery swivel and covers the outer wall of the connecting pipe, and the bolt is passed through the fixing plate and rotated, so that the bolt can be inserted into the threaded hole for limiting, thereby facilitating the installation and connection of the delivery swivel and the connecting pipe;

[0016] 3. By providing a delivery swivel, an impact-resistant layer and a corrosion-resistant layer, the impact-resistant layer is fixedly connected to the inner wall of the delivery swivel, which can improve the impact resistance of the delivery swivel, and the corrosion-resistant layer is fixedly connected to the inner wall of the impact-resistant layer, which can improve the corrosion resistance of the delivery swivel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic three-dimensional structure diagram of the present utility model;

[0018] Figure 2 is a schematic diagram of the disassembled structure of the present utility model;

[0019] Figure 3 is a three-dimensional view of the fixing plate of the present utility model;

[0020] Figure 4 is a three-dimensional sectional view of the delivery swivel of the present utility model.

[0021] In the figure: 1. Delivery swivel; 2. First sealing ring; 3. Second sealing ring; 4. Insertion tube; 5. Connecting pipe; 6. Threaded hole; 7. Fixing plate; 8. Bolt; 9. Impact-resistant layer; 10. Corrosion-resistant layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0023] The embodiments of the present utility model will be described below according to its overall structure.

[0024] Please refer to Figures 1-4, An environmentally friendly leak-free loading arm, including a conveying loading arm 1. A first sealing ring 2 is installed inside the conveying loading arm 1, and a second sealing ring 3 is installed inside the conveying loading arm 1. One end of the conveying loading arm 1 is installed with an insertion pipe 4. A connecting pipe 5 is fixedly connected to the top of the insertion pipe 4. The insertion pipe 4 is of a slotted design, and the insertion pipe 4 is snap-connected to the conveying loading arm 1 through the first sealing ring 2. The insertion pipe 4 is snap-connected to the conveying loading arm 1 through the second sealing ring 3, and the second sealing ring 3 is arranged in parallel with the first sealing ring 2, which can improve the sealing performance at the connection between the conveying loading arm 1 and the connecting pipe 5.

[0025] Please refer to Figures 1-4 , An environmentally friendly leak-free loading arm. A threaded hole 6 is opened inside the conveying loading arm 1. One end of the conveying loading arm 1 is installed with a fixing plate 7. A bolt 8 is movably connected inside the fixing plate 7. The fixing plate 7 is of an open-hole design, and the bolt 8 is threadedly connected to the conveying loading arm 1 through the threaded hole 6, which can facilitate the installation and connection of the conveying loading arm 1 and the connecting pipe 5.

[0026] Please refer to Figures 1-4 , An environmentally friendly leak-free loading arm. An impact-resistant layer 9 is fixedly connected to the inner wall of the conveying loading arm 1. A corrosion-resistant layer 10 is fixedly connected to the inner wall of the impact-resistant layer 9. The material of the impact-resistant layer 9 is high manganese steel, and the material of the corrosion-resistant layer 10 is copper oxide. The conveying loading arm 1 is closely attached to the impact-resistant layer 9, and the impact-resistant layer 9 is closely attached to the corrosion-resistant layer 10, which can improve the corrosion resistance of the conveying loading arm 1.

[0027] Working principle: When in use, by moving the connecting pipe 5, the insertion pipe 4 is inserted into one end of the conveying loading arm 1, so that the first sealing ring 2 and the second sealing ring 3 are respectively snapped into the slots opened in the insertion pipe 4, achieving the effect of improving the sealing performance at the connection between the conveying loading arm 1 and the connecting pipe 5. By butting the fixing plate 7 against one end of the conveying loading arm 1 and covering the outer wall of the connecting pipe 5, and rotating the bolt 8 through the fixing plate 7, the bolt 8 can be inserted into the threaded hole 6 for limiting, achieving the effect of facilitating the installation and connection of the conveying loading arm 1 and the connecting pipe 5, and ensuring that the conveying loading arm 1 and the connecting pipe 5 can rotate arbitrarily. By fixedly connecting an impact-resistant layer 9 to the inner wall of the conveying loading arm 1, and the material of the impact-resistant layer 9 is high manganese steel, the impact resistance of the conveying loading arm 1 can be improved. By fixedly connecting a corrosion-resistant layer 10 to the inner wall of the impact-resistant layer 9, and the material of the corrosion-resistant layer 10 is copper oxide, the corrosion resistance of the conveying loading arm 1 can be improved. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0028] The orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the simplified description of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation on the protected content of the present invention.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An environmentally friendly, leak-free crane pipe, comprising a conveying crane pipe (1), characterized in that: A first sealing ring (2) is installed inside the delivery crane pipe (1), a second sealing ring (3) is installed inside the delivery crane pipe (1), an insertion pipe (4) is installed at one end of the delivery crane pipe (1), and a connecting pipe (5) is fixedly connected to the top of the insertion pipe (4); A threaded hole (6) is provided inside the delivery crane pipe (1), a fixing plate (7) is installed at one end of the delivery crane pipe (1), and a bolt (8) is movably connected inside the fixing plate (7); The inner wall of the conveying crane pipe (1) is fixedly connected to an impact-resistant layer (9), and the inner wall of the impact-resistant layer (9) is fixedly connected to a corrosion-resistant layer (10).

2. The environmentally friendly non-leakage crane according to claim 1 is characterized by: The insert tube (4) is of slotted design, and the insert tube (4) is snap-connected to the delivery crane tube (1) via a first sealing ring (2).

3. The environmentally friendly non-leakage crane according to claim 1 is characterized in that: The insert tube (4) is connected to the delivery crane tube (1) by means of a second sealing ring (3), and the second sealing ring (3) is arranged in parallel with the first sealing ring (2).

4. The environmentally friendly non-leakage crane according to claim 1 is characterized in that: The fixing plate (7) is of open hole design, and the bolt (8) is threadedly connected to the conveying crane pipe (1) through the threaded hole (6).

5. The environmentally friendly non-leakage crane according to claim 1 is characterized by: The material of the impact-resistant layer (9) is high manganese steel, and the material of the corrosion-resistant layer (10) is copper oxide.

6. The environmentally friendly non-leakage crane according to claim 1 is characterized by: The conveying crane pipe (1) is tightly fitted with the impact-resistant layer (9), and the impact-resistant layer (9) is tightly fitted with the corrosion-resistant layer (10).

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