Low-temperature flexible metal hose connecting device for LNG unloading
By introducing structures such as alignment boxes, sliding columns, and rotating columns into the cryogenic flexible metal hose connection device for LNG unloading, the problem of inaccurate hose alignment was solved, achieving precise hose docking and stable connection, thus improving operational efficiency and safety.
Patent Information
- Application Number
- CN202520069410.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing cryogenic flexible metal hose connection devices for LNG unloading cannot achieve precise alignment of the hose with one end already connected, leading to increased complexity of the connection operation and safety hazards.
The design incorporates an alignment box, sliding column, sliding plate, reset assembly, belt, and rotating column within the housing. Through the lever principle and the cooperation of springs, it achieves precise alignment and stable connection of the hose.
It improves the accuracy and efficiency of hose connections, reduces the risk of loose connections and leaks, and ensures the stability and safety of connections.
Smart Images

Figure CN223754911U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal hose technical field especially relates to a low temperature flexible metal hose connecting device for LNG unloading. BACKGROUND
[0002] When connecting two cartilages with one end fixed, a low temperature flexible metal hose connecting device for LNG unloading is often used, which is a device specially designed for LNG unloading operation, mainly used for connecting and disconnecting low temperature flexible metal hoses to realize safe and efficient transportation of liquefied natural gas.
[0003] Generally, the low temperature flexible metal hose connecting device for LNG unloading is composed of a shell, a connecting mechanism and a placing mechanism, so that the shell provides stable structural support to ensure the safety of each component during operation, the connecting mechanism ensures the tight connection of the flexible metal hose and the conveying pipeline by butting the two connecting pipes, effectively preventing liquefied natural gas leakage. The placing mechanism provides stable support for the flexible metal hose.
[0004] However, some devices in the prior art have solved the problem of hose connection to a certain extent, but still have some shortcomings. When one end of the connected hose is connected to another hose to be connected, precise alignment cannot be achieved. This phenomenon not only increases the complexity of the connection operation, but also causes the risk of insecure connection, leakage or other safety hazards. Therefore, a low temperature flexible metal hose connecting device for LNG unloading is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a low temperature flexible metal hose connecting device for LNG unloading, aiming at improving the problem that some devices in the prior art cannot precisely align another hose when one end of the connected hose is connected.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A low temperature flexible metal hose connecting device for LNG unloading, comprising a shell, two alignment boxes are fixedly connected inside the shell, a sliding column is fixedly connected inside the two alignment boxes, two sliding plates are slidingly connected outside the sliding column, a reset assembly for resetting is fixedly connected inside the sliding plate, an extension plate is fixedly connected outside the reset assembly, a belt is fixedly connected to the adjacent side outside the extension plate, and a rolling column is rotatably connected inside the belt.
[0008] As a further description of the above technical scheme:
[0009] The reset assembly includes a connecting column, the outer sides of the connecting column are fixedly connected to the inner sides of the sliding plates respectively, the inner sides of the two sliding plates are provided with placing grooves, the outer side of the connecting column is fixedly connected to the inner side of the placing groove, and the outer sides of the placing grooves are respectively sleeved with springs.
[0010] As a further description of the above technical scheme:
[0011] The outer adjacent sides of the two alignment boxes are fixedly connected with rotating columns, one side of the outer side of the rotating column is fixedly connected with a pressing plate.
[0012] As a further description of the above technical scheme:
[0013] The other side of the outer side of the rotating column is fixedly connected with a connecting plate, and the top of the connecting plate is fixedly connected with a supporting rod.
[0014] As a further description of the above technical scheme:
[0015] The outer side of the supporting rod is fixedly connected with a top rod, and the outer side of the connecting plate is located at the top of the alignment box.
[0016] As a further description of the above technical scheme:
[0017] The belt is designed to be soft, one end of the hose is placed, so that the belt is pressed downward, and when the hose is rotated, the rolling column is rotated.
[0018] As a further description of the above technical scheme:
[0019] When the belt is stressed, the extension plate drives the two reset assemblies to displace.
[0020] As a further description of the above technical scheme:
[0021] Pressing the pressing plate makes the connecting plate rotate through the rotating column, so that the supporting rod is pressed forward, and the two sliding plates on the same side can be pushed forward.
[0022] The utility model has the advantages of:
[0023] 1、The utility model discloses a hose placing device, which comprises a base, two sliding plates and a reset assembly, the base is fixedly connected with the two sliding plates, the two sliding plates are fixedly connected with the reset assembly, and the reset assembly is fixedly connected with a hose.
[0024] 2、The utility model discloses, through the collocation of pressing down the pressing plate and the rotating column, can drive the support rod angle adjustment through the connecting plate, make when unable manual push, push through the lever principle, this design not only improves the push efficiency, especially under the condition of manual push restriction, still can realize smooth operation. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A low-temperature flexible metal hose connecting device for LNG unloading is provided.
[0026] Figure 2 A low-temperature flexible metal hose connecting device for LNG unloading is provided.
[0027] Figure 3 A low-temperature flexible metal hose connecting device for LNG unloading is provided.
[0028] Figure 4 A low-temperature flexible metal hose connecting device for LNG unloading is provided.
[0029] LEGEND:
[0030] 1, shell, 2, alignment box, 3, sliding column, 4, sliding plate, 5, placing groove, 6, connecting column, 7, spring, 8, extension plate, 9, belt, 10, rolling column, 11, rotating column, 12, pressing plate, 13, connecting plate, 14, support rod, 15, top rod. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0032] REFERENCE Figure 2 and Figure 4The utility model provides a kind of embodiment: a kind of LNG unloading low temperature flexible metal flexible pipe connecting device, the inside fixed connection of shell 1 has two alignment boxes 2, with good supporting effect, the inside fixed connection of two alignment boxes 2 has sliding column 3, the outside sliding connection of sliding column 3 has two sliding plates 4, it is designed as four, and every two is placed in the inside of alignment box 2, sliding column 3 can prevent sliding plate 4 from producing deviation when sliding, the inside fixed connection of sliding plate 4 has reset component for reset, reset component includes connecting column 6, the inside of two sliding plates 4 is opened and placed groove 5 is placed, the outside fixed connection of connecting column 6 is in the inside of placed groove 5, the outside of placed groove 5 is respectively sleeved with spring 7, connecting column 6 can prevent spring 7 from producing deviation when being compressed, the outside fixed connection of reset component has extension plate 8, by spring 7 fixed connection in the outside of extension plate 8 can make that spring 7 is displaced when extension plate 8 follows displacement, when belt 9 is stressed, make extension plate 8 will drive two reset components to produce displacement, the outside adjacent side of extension plate 8 is fixedly connected with belt 9, for placing the hose required to be connected, belt 9 is soft design, by placing one end of hose, make that belt 9 will produce down pressure, simultaneously rotating hose, rolling column 10 will follow rotation, the inside rotationally connected of belt 9 has rolling column 10.
[0033] Referring to Figure 1 And Figure 3 The outside adjacent side of two alignment boxes 2 is fixedly connected with rotating column 11, which can provide good rotation performance, the outside one side of rotating column 11 is fixedly connected with pressing plate 12, which has good pressure capacity, the other side of the outside of rotating column 11 is fixedly connected with connecting plate 13, angle adjustment can be generated to connecting plate 13 by pressing pressing plate 12, the top of connecting plate 13 is fixedly connected with support rod 14, which can provide good supporting effect, the outside of support rod 14 is fixedly connected with top rod 15, when connecting plate 13 produces angle adjustment, support rod 14 can drive top rod 15 to carry out angle adjustment, the outside of connecting plate 13 is on the top of alignment box 2, pressing plate 12 makes connecting plate 13 rotate through rotating column 11, so that support rod 14 is pressed forward, can be pushed forward to two sliding plates 4 on the same side.
[0034] Working principle: first, one end of the flexible metal hose is placed on the belt 9 of the device, which can adapt to different sizes of hose diameter while providing support performance, because the belt 9 is soft, the gravity of the hose makes the belt 9 press down, and then the rolling column 10 connected with the belt 9 rotates, which can adjust the multiple connected hole positions, and the extension plate 8 is connected with the spring 7, so that the spring 7 moves to both sides when stressed, thereby ensuring the stability and sensitivity of the whole device when the load changes, and the object is positioned conveniently, then the limiting action of the sliding column 3 makes the sliding plates 4 on both sides close to each other;
[0035] When the manual cannot be pushed, the pressure is applied to the pressing plate 12, the pressing process makes the fixed connection of the rotating column 11 start to rotate, because the design of the rotating column 11 has good rotating performance, this rotation will drive the connecting plate 13 connected with it to adjust the angle accordingly, with the change of the angle of the connecting plate 13, the support rod 14 fixedly connected at the top also moves, ensuring that it can provide stable and reliable support at the new angle, the top rod 15 is fixedly connected at the front end of the support rod 14, when the support rod 14 changes position due to the angle adjustment of the connecting plate 13, the top rod 15 also adjusts the angle accordingly, ensuring effective contact between the sliding plate 4, at this time, the support rod 14 transmits the force to the two sliding plates 4 opposite to it, and then pushes the two sliding plates 4 forward, which can make the two hoses close to each other again, and realize precise butt joint.
[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A cryogenic flexible metal hose connection device for LNG unloading, comprising a housing (1), characterized in that: The inside of the shell (1) is fixedly connected with two alignment boxes (2), the inside of the two alignment boxes (2) is fixedly connected with sliding columns (3), the outside of the sliding columns (3) is slidably connected with two sliding plates (4), the inside of the sliding plates (4) is fixedly connected with a reset assembly for resetting, the outside of the reset assembly is fixedly connected with an extension plate (8), the outside of the extension plate (8) is fixedly connected with a belt (9) on one side, and the inside of the belt (9) is rotatably connected with a rolling column (10).
2. The low-temperature flexible metal hose connection device for LNG unloading according to claim 1, characterized in that: The reset assembly comprises a connecting column (6), the outside of the connecting column (6) is fixedly connected to the inside of the sliding plate (4) on both sides, the inside of the two sliding plates (4) is provided with a placing groove (5), the outside of the connecting column (6) is fixedly connected to the inside of the placing groove (5), and the outside of the placing groove (5) is sleeved with a spring (7).
3. The low temperature flexible metal hose connection device for LNG unloading according to claim 1, characterized in that: The outside of the two alignment boxes (2) is fixedly connected with a rotating column (11) on one side, and the outside of the rotating column (11) is fixedly connected with a pressing plate (12).
4. The low-temperature flexible metal hose connection device for LNG unloading according to claim 3, characterized in that: The other side of the rotating column (11) is fixedly connected with a connecting plate (13), and the top of the connecting plate (13) is fixedly connected with a supporting rod (14).
5. The low temperature flexible metallic hose connection device for LNG unloading according to claim 4, characterized in that: The outside of the supporting rod (14) is fixedly connected with a top rod (15), and the outside of the connecting plate (13) is arranged at the top of the alignment box (2).
6. The low temperature flexible metallic hose connection device for LNG unloading according to claim 1, characterized in that: The belt (9) is designed to be soft, one end of the hose is placed, so that the belt (9) is pressed down, and when the hose is rotated, the rolling column (10) rotates.
7. The low temperature flexible metallic hose connection device for LNG unloading according to claim 1, characterized in that: When the belt (9) is stressed, the extension plate (8) drives the two reset assemblies to displace.
8. The low temperature flexible metallic hose connection device for LNG unloading according to claim 4, characterized in that: Pressing the pressing plate (12) makes the connecting plate (13) rotate through the rotating column (11), so that the supporting rod (14) is pressed forward, and the two sliding plates (4) on the same side can be pushed forward.