Cantilever type crane pipe closed loading crane pipe for liquid easy to solidify
By designing a cantilever loading arm for easily solidifying liquids, adopting a pneumatically sealed loading method and a multi-stage telescopic vertical pipe, the serious oil and gas leakage and sealing effect were solved, achieving safety and sealing effect in the loading process of easily solidifying liquids, and improving the safety and ease of operation of the loading process.
Patent Information
- Application Number
- CN202520584018.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing tank trucks used for loading easily solidified liquids suffer from serious oil and gas leaks, poor sealing, inconvenient operation, and high failure rates. In particular, the manual swing arm loading arms have poor heat tracing performance and are heavy.
A cantilever loading arm for easily solidifying liquids was designed. It adopts a pneumatically sealed loading method and achieves sealing through multi-stage telescopic vertical pipes and independent siphon pipes. Combined with a jacketed rotary joint and a heat tracing device, it ensures that the material does not solidify and automatically discharges the accumulated material.
It ensures safety and airtightness during the loading process of easily solidified liquids, reduces oil and gas leakage, and improves the convenience of operation and the reliability of the equipment.
Smart Images
Figure CN223823382U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of loading arm technology, and more specifically, to a cantilever loading arm for easily solidifying liquids with a closed loading arm. Background Technology
[0002] Currently, in the loading operations of tank trucks carrying easily solidified liquids such as asphalt, residual oil, and liquid sulfur, a small number of them use manual swing arm loading arms with conical caps for sealing, while the vast majority do not use sealing devices at the truck opening and use straight pipes for loading, leaving the trucks in an open loading state. The existing loading methods result in serious oil and gas leaks, which seriously affect the health of loading personnel and the safety of loading operations.
[0003] Due to the characteristics of easily solidified liquids, when using loading arms for loading, the loading arms must be jacketed and heated to prevent material from condensing. Existing manual swing arm loading arms are not only heavy, but also have poor heating effect, are very inconvenient to manually align, and have poor sealing effect and high failure rate. Therefore, there is an urgent need for a sealed loading arm that can be easily aligned. Utility Model Content
[0004] To overcome the shortcomings of existing technologies, this utility model provides a cantilevered loading arm for easily solidified liquids, which is suitable for pneumatically sealed loading arms for easily solidified liquids. It ensures that the sealing device fits perfectly with the loading port under pneumatic operation, and uses compression or locking sealing technology to improve the sealing effect, reduce oil and gas leakage, and ensure loading safety.
[0005] This utility model is achieved through the following technical solution: a closed-loop loading arm for easily solidifying liquid cantilever arms, comprising a column, a gas phase inner arm and a liquid phase inner arm on one side of the column, an inner arm gas phase rotary joint installed on the side of the gas phase inner arm near the column, a gas phase outlet flange installed at the end of the gas phase inner arm near the column, a heated steam outlet installed at the side of the gas phase inner arm near the column, a rotary joint heated steam interface flange installed on the inner arm gas phase rotary joint, a gas phase outer arm connected through the gas phase rotary joint at the end of the gas phase inner arm away from the column, a heated drain pipe connected through the gas phase outer arm, and a liquid phase rotary joint connected through the end of the liquid phase inner arm near the column. The end of the liquid phase rotary joint furthest from the inner liquid phase arm is connected to the liquid phase inlet flange. The liquid phase rotary joint is equipped with a steam tracing inlet flange. The end of the inner liquid phase arm furthest from the rotary joint is connected to the outer liquid phase arm via an outer arm rotary joint. The end of the outer liquid phase arm furthest from the outer arm rotary joint is connected to the vertical pipe tracing drain pipe via a liquid phase vertical pipe assembly. The end of the vertical pipe tracing drain pipe furthest from the outer liquid phase arm is connected to a short vertical pipe. A cylinder connecting seat is provided on one side of the vertical heat tracing drain pipe. A lifting cylinder is installed on the cylinder connecting seat. A telescopic connecting cylinder hanging plate is attached to the lifting cylinder. The cylinder hanging plate is fixed on the cylinder fixing seat. A vertical heat tracing steam outlet flange is provided on the vertical heat tracing drain pipe. A telescopic fixing pipe is sleeved on the outside of the vertical heat tracing drain pipe. A secondary telescopic pipe is slidably sleeved on the telescopic fixing pipe. A tertiary telescopic pipe is slidably sleeved on the secondary telescopic pipe. The lower end of the tertiary telescopic pipe is fixedly installed on the telescopic vertical pipe pull plate through the telescopic pipe connecting flange. The telescopic vertical pipe pull plate is slidably sleeved on the telescopic fixing pipe. The cylinder fixing seat is installed on the telescopic vertical pipe pull plate. A sealing device and a cable sealing assembly are provided on the side end of the telescopic fixing pipe. The sealing device is fixedly installed on the lower part of the telescopic vertical pipe pull plate. A machine mouth sealing gasket is provided on the sealing device. A liquid level probe is provided on the side end of the telescopic fixing pipe.
[0006] As a preferred option, a balancer is installed on the gas phase outer arm.
[0007] As a preferred embodiment, the front end of the first siphon tube is inserted into the front part of the liquid phase outer arm, and the second siphon tube is inserted into the telescopic fixing tube, with the rear end of the first siphon tube connected to the second siphon tube.
[0008] As a preferred option, the inner arm gas phase rotary joint, the outer arm rotary joint, the gas phase rotary joint, and the liquid phase rotary joint are all jacketed rotary joints.
[0009] This invention, by adopting the above technical solutions, has the following beneficial effects compared with the prior art: The invention is equipped with a vertical pipe heat tracing interface flange to achieve heat tracing of the vertical pipe section, ensuring the normal operation of the telescopic pipe. The invention features a multi-stage telescopic vertical pipe, enabling the vertical movement of the vertical pipe and ensuring its entry into the tanker truck. The invention also includes an independent siphon pipe, which automatically discharges accumulated material from the inner and outer arms of the loading arm, achieving automatic material discharge after loading, preventing dripping from the vertical pipe, and ensuring normal rotation of the loading arm.
[0010] Additional aspects and advantages of this invention will become apparent in the description that follows, or may be learned by practice of this invention. Attached Figure Description
[0011] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 for Figure 1 Enlarged structural diagram at point A;
[0014] Figure 3 for Figure 1 Enlarged structural diagram at point B.
[0015] in, Figures 1 to 3 The correspondence between the reference numerals and components in the attached drawings is as follows:
[0016] 1. Column; 2. Vapor phase outlet flange; 3. Heated steam outlet; 4. Inner arm vapor phase rotary joint; 5. Rotary joint heated steam interface flange; 6. Vapor phase inner arm; 7. Liquid phase inner arm; 8. First siphon pipe; 9. Outer arm rotary joint; 10. 11. Liquid phase outer arm; 12. Liquid phase vertical pipe assembly; 13. Vertical pipe steam outlet flange; 14. Secondary siphon pipe; 15. Telescopic fixed pipe; 16. Secondary telescopic pipe; 17. Tertiary telescopic pipe; 18. Vertical pipe steam drain pipe; 19. Telescopic pipe connecting flange; 20. Telescopic vertical pipe and pull plate; 21. Cable sealing assembly; 22. Car door sealing gasket; 23. Liquid level probe; 24. Short vertical pipe; 25. Sealing device; 26. Cylinder connecting seat; 27. Lifting cylinder; 28. Balancer; 29. Gas phase outer arm; 30. Cylinder hanging plate; 31. Cylinder fixing seat; 32. Gas phase rotary joint; 33. Liquid phase rotary joint; 34. Steam inlet flange; 35. Liquid phase inlet flange. Detailed Implementation
[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.
[0019] The following is combined with Figures 1 to 3 The following is a detailed description of the cantilever loading arm for easily solidifying liquids in an embodiment of this utility model.
[0020] like Figure 1 As shown, this utility model is achieved through the following technical solution: A closed loading arm for cantilevered loading arms of easily solidifying liquids includes a column 1. A gas phase inner arm 6 and a liquid phase inner arm 7 are provided on one side of the column 1. An inner arm gas phase rotary joint 4 is installed on the side of the gas phase inner arm 6 closest to the column 1. A gas phase outlet flange 2 is installed at the end of the gas phase inner arm 6 closest to the column 1. A heated steam outlet 3 is installed on the side of the gas phase inner arm 6 closest to the column 1. A rotary joint heated steam interface flange 5 is installed on the inner arm gas phase rotary joint 4. The end of the gas phase inner arm 6 furthest from the column 1 is connected to a gas phase outer arm 28 via a gas phase rotary joint 31. The gas phase outer arm 28 is connected to a vertical pipe heated drain pipe 17. The end of the liquid phase inner arm 7 closest to the column 1 is connected to a liquid phase rotary joint 32. The end of the liquid phase rotary joint 32 furthest from the inner liquid phase arm 7 is connected to the liquid phase inlet flange 34. The liquid phase rotary joint 32 is equipped with a steam tracing inlet flange 33. The end of the inner liquid phase arm 7 furthest from the liquid phase rotary joint 32 is connected to the outer liquid phase arm 10 via the outer arm rotary joint 9. The end of the outer liquid phase arm 10 furthest from the outer arm rotary joint 9 is connected to the vertical pipe tracing drain pipe 17 via the liquid phase vertical pipe assembly 11. The end of the vertical pipe tracing drain pipe 17 furthest from the outer liquid phase arm 10 is connected to a short vertical pipe 23. A cylinder connecting seat 25 is provided on one side of the vertical pipe tracing drain pipe 17. A lifting cylinder 26 is installed on the cylinder connecting seat 25. A cylinder lifting plate 29 is telescopically connected to the lifting cylinder 26. The cylinder lifting plate 29 is fixed on the cylinder fixing seat 30. The vertical pipe tracing drain pipe 17 is equipped with a vertical pipe steam tracing outlet flange 12. Figure 2 As shown, a telescopic fixing pipe 14 is sleeved on the outside of the vertical pipe heating and drainage pipe 17. A secondary telescopic pipe 15 is slidably sleeved on the telescopic fixing pipe 14, and a tertiary telescopic pipe 16 is slidably sleeved on the secondary telescopic pipe 15, as shown. Figure 3As shown, the lower end of the three-stage telescopic pipe 16 is fixedly installed on the telescopic vertical pipe pull plate 19 through the telescopic pipe connecting flange 18. The telescopic vertical pipe pull plate 19 is slidably sleeved on the telescopic fixed pipe 14. The cylinder fixing seat 30 is installed on the telescopic vertical pipe pull plate 19. The side end of the telescopic fixed pipe 14 is provided with a sealing device 24 and a cable sealing assembly 20. The sealing device 24 is fixedly installed on the lower part of the telescopic vertical pipe pull plate 19. The sealing device 24 is provided with a car mouth sealing gasket 21. The side end of the telescopic fixed pipe 14 is provided with a liquid level probe 22. A balancer 27 is installed on the gas phase outer arm 28. The front end of the first siphon pipe 8 is inserted into the front part of the liquid phase outer arm 10. The second siphon pipe 13 is inserted into the telescopic fixed pipe 14. The rear end of the first siphon pipe 8 is connected to the second siphon pipe 13. The automatic siphon pipe can ensure that the material in the inner and outer arms of the loading arm is automatically discharged after loading, avoiding material dripping from the loading arm and ensuring normal rotation of the loading arm. The inner arm gas phase rotary joint 4, the outer arm rotary joint 9, the gas phase rotary joint 31, and the liquid phase rotary joint 32 are all jacketed rotary joints to ensure that the material does not condense and that the loading arm rotates normally.
[0021] Working Process: This invention relates to a sealed loading arm for loading easily solidifying liquids onto trucks or trains. The inner and outer arms of the loading arm are moved, causing the secondary and tertiary telescopic pipes and sealing device installed at the end of the outer arm to move to above the center of the tanker opening. Under the action of a lifting cylinder, the secondary and tertiary telescopic pipes descend and extend, while the sealing device slowly descends to the tanker opening. Simultaneously, the tanker opening sealing gasket of the sealing device aligns with the tanker opening, completing the alignment. After alignment, the lifting cylinder continues to press down, ensuring a tight seal between the tanker opening sealing gasket and the tanker opening, achieving a tight seal. This invention features multi-stage telescopic vertical pipes, enabling vertical movement of the vertical pipes and ensuring they enter the tanker interior. An independent siphon pipe is also included to automatically discharge accumulated material from the inner and outer arms of the loading arm after loading, preventing dripping from the vertical pipes and ensuring normal rotation of the loading arm.
[0022] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0023] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0024] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A closed loading arm for cantilevered loading arms used for easily solidifying liquids, characterized in that... The system includes a column (1), on one side of which is a gas phase inner arm (6) and a liquid phase inner arm (7). The gas phase inner arm (6) is equipped with an inner arm gas phase rotary joint (4) on the side near the column (1). A gas phase outlet flange (2) is installed at one end of the gas phase inner arm (6) near the column (1). A heat tracing steam outlet (3) is installed at one side of the gas phase inner arm (6) near the column (1). A rotary joint heat tracing steam interface flange (5) is installed on the inner arm gas phase rotary joint (4). The end of the gas phase inner arm (6) away from the column (1) is connected to the gas phase outer arm (28) through the gas phase rotary joint (31). The gas phase outer arm (28) is connected to the vertical pipe heat tracing drain pipe (17). The end of the liquid phase inner arm (7) near the column (1) is connected to the liquid phase rotary joint (32). The end of the liquid phase rotary joint (32) away from the liquid phase inner arm (7) is connected to the liquid phase inlet flange (34). The liquid phase rotary joint (32) is provided with a heating steam inlet flange (33). The end of the liquid phase inner arm (7) away from the liquid phase rotary joint (32) is connected to the liquid phase outer arm (10) through the outer arm rotary joint (9). The end of the liquid phase outer arm (10) away from the outer arm rotary joint (9) is connected to the vertical pipe heating drain pipe (17) through the liquid phase vertical pipe assembly (11). The end of the vertical pipe heating drain pipe (17) away from the liquid phase outer arm (10) is connected to the short vertical pipe (23). A cylinder connecting seat (25) is provided on one side of the vertical heat tracing drain pipe (17). A lifting cylinder (26) is installed on the cylinder connecting seat (25). A cylinder hanging plate (29) is telescopically connected to the lifting cylinder (26). The cylinder hanging plate (29) is fixed on the cylinder fixing seat (30). A vertical heat tracing steam outlet flange (12) is provided on the vertical heat tracing drain pipe (17). A telescopic fixing pipe (14) is sleeved on the outside of the vertical heat tracing drain pipe (17). A sliding sleeve is provided on the telescopic fixing pipe (14). There is a secondary telescopic pipe (15), and a tertiary telescopic pipe (16) is slidably sleeved on the secondary telescopic pipe (15). The lower end of the tertiary telescopic pipe (16) is fixedly installed on the telescopic vertical pipe pull plate (19) through the telescopic pipe connecting flange (18). The telescopic vertical pipe pull plate (19) is slidably sleeved on the telescopic fixed pipe (14). The cylinder fixing seat (30) is installed on the telescopic vertical pipe pull plate (19). The side end of the telescopic fixed pipe (14) is provided with a sealing device (24) and a cable sealing assembly (20). The sealing device (24) is fixedly installed on the lower part of the telescopic vertical pipe pull plate (19). The sealing device (24) is provided with a car mouth sealing gasket (21). The side end of the telescopic fixed pipe (14) is provided with a liquid level probe (22).
2. The closed loading arm for cantilevered loading arms for easily solidifying liquids according to claim 1, characterized in that... The gas phase outer arm (28) is equipped with a balancer (27).
3. A closed loading arm for cantilevered loading arms for easily solidifying liquids according to claim 1, characterized in that... The front end of the first siphon tube (8) is inserted into the front part of the liquid phase outer arm (10), and the second siphon tube (13) is inserted into the telescopic fixed tube (14). The rear end of the first siphon tube (8) is connected to the second siphon tube (13).
4. A closed loading arm for cantilevered loading arms for easily solidifying liquids according to claim 1, characterized in that... The inner arm gas phase rotary joint (4), outer arm rotary joint (9), gas phase rotary joint (31) and liquid phase rotary joint (32) are all jacketed rotary joints.