Metal high-pressure cylinder pressing connection device

Abstract

The application provides a metal high-pressure gas cylinder pressing connection device, which comprises a metal high-pressure gas cylinder, a bottle mouth pipe arranged at the upper end of the metal high-pressure gas cylinder, a hanging rod assembly comprising a connecting part and a hanging rod part, the connecting part being used for butt joint connection with the bottle mouth pipe, a flexible sleeve placed in a containing groove corresponding to the bottle mouth pipe in the connecting part, and a water pressure connector extending into the containing groove of the connecting part and being detachably connected with the bottle mouth pipe. The metal high-pressure gas cylinder pressing connection device realizes quick and reliable connection and disconnection with the metal high-pressure gas cylinder through the special water pressure connector and the flexible sleeve, reduces the operation time, and multiple hanging rod assemblies can be used in cooperation, so that the detection work efficiency is improved, and the rapid development of the metal high-pressure gas cylinder manufacturing and testing is promoted.

Description

Technical Field

[0001] This invention relates to the field of pressure vessel technology, and in particular to a pressure-pressurizing connection device for metal high-pressure gas cylinders. Background Technology

[0002] With the continuous development of modern industrial technology, the demand for high-pressure metal cylinders in high-tech fields such as semiconductors, marine engineering, and aerospace is rapidly increasing. As special equipment, each high-pressure metal cylinder must undergo a pressure test during the manufacturing process to verify its pressure-bearing capacity and ensure its safe application.

[0003] Pressure testing equipment is relatively expensive, and manufacturers typically only equip themselves with one or two hydraulic pressure testing machines. Metal high-pressure gas cylinders are often quite heavy, and the connection between the pressure testing equipment and the cylinder body, as well as the disassembly and installation of the cylinder lifting structure, are often slow and time-consuming. As the industry develops and mass production of gas cylinders begins, excessively long pressure testing times can easily lead to production process bottlenecks, reduce the output efficiency of metal high-pressure gas cylinders, and limit the development speed of the gas cylinder industry.

[0004] There is an urgent need to invent a device that can overcome the limitation of low pressurization efficiency of metal high-pressure gas cylinders, improve the production efficiency of metal high-pressure gas cylinders, and accelerate the development of the metal high-pressure gas cylinder industry. Summary of the Invention

[0005] In view of this, the present invention aims to provide a metal high-pressure gas cylinder pressurization connection device, which solves the problem of limited industrial efficiency caused by the long connection and hoisting time in the metal high-pressure gas cylinder pressurization process. By using the metal high-pressure gas cylinder pressurization connection device described in this application, the same pressurization equipment can continuously and quickly complete the pressurization, thereby improving the efficiency of the industry.

[0006] To achieve the above objectives, the technical solution of the present invention is implemented as follows:

[0007] A pressure-pressurizing connection device for metal high-pressure gas cylinders, comprising:

[0008] A high-pressure metal gas cylinder, with a bottle neck tube installed at the upper end of the high-pressure metal gas cylinder;

[0009] A lifting rod assembly includes a connecting part and a lifting rod part, wherein the connecting part is used for docking and connecting with a bottle neck tube;

[0010] A flexible sleeve is placed in the receiving groove in the connecting part corresponding to the bottle neck tube;

[0011] The water pressure connector extends into the receiving groove of the connector and is detachably connected to the bottle neck tube.

[0012] Furthermore, two suspension rods are provided, and the two suspension rods are arranged symmetrically on opposite sides of the central axis of the connecting part. The connecting part and the suspension rods are integrally formed or detachably connected.

[0013] Furthermore, the connecting part includes a first connecting block and a second connecting block, the first connecting block and the second connecting block being detachably connected, and the lifting rod part includes a first lifting rod and a second lifting rod, the first lifting rod and the second lifting rod being detachably connected to the first connecting block and the second connecting block or being integrally formed.

[0014] Furthermore, the first connecting block and the second connecting block are connected by plug-in blocks and plug-in slots.

[0015] Furthermore, the first connecting block includes a first connecting block body, on which a first arc-shaped receiving groove is provided, and on each side of the first arc-shaped receiving groove, a plug-in block and a plug-in slot are respectively provided. The second connecting block includes a second connecting block body, on which a first arc-shaped receiving groove is provided, and on each side of the first arc-shaped receiving groove, a plug-in block and a plug-in slot are respectively provided. The first arc-shaped receiving groove on the first connecting block body and the first arc-shaped receiving groove on the second connecting block body are joined to form a receiving groove for accommodating the bottle neck tube. The plug-in block on the first connecting block body is plugged into the plug-in slot on the second connecting block body, and the plug-in slot on the first connecting block body is plugged into the plug-in block on the second connecting block body.

[0016] Furthermore, the first connecting block and the second connecting block are arranged facing each other, the first hanger is disposed on the side of the first connecting block away from the second connecting block, and the second hanger is disposed on the side of the second connecting block away from the first connecting block.

[0017] Furthermore, the first boom is detachably connected to the first connecting block, and the second boom is detachably connected to the second connecting block.

[0018] Furthermore, the first connecting block includes a third connecting body, with a first connecting ear plate and a second connecting ear plate respectively provided on opposite sides of the third connecting body. The second connecting block includes a fourth connecting body, with a third connecting ear plate and a fourth connecting ear plate provided on opposite sides of the fourth connecting body. The first connecting ear plate and the fourth connecting ear plate are provided with a second arc-shaped receiving groove for accommodating and fixing the first rod. The second connecting ear plate and the third connecting ear plate are provided with a second arc-shaped receiving groove for accommodating and fixing the second rod. The first connecting ear plate and the fourth connecting ear plate are detachably fixed by connecting screws. The second connecting ear plate and the third connecting ear plate are detachably fixed by other connecting screws.

[0019] Furthermore, the connecting part includes a first connecting block and a second connecting block, the first connecting block and the second connecting block are detachably connected, the first connecting block includes a fifth connecting body, the fifth connecting body includes a third arc-shaped receiving part, a fifth connecting ear plate and a sixth connecting ear plate are symmetrically arranged on opposite sides of the third arc-shaped receiving part, the fifth connecting ear plate and the sixth connecting ear plate are integrally formed with the third arc-shaped receiving part, the second connecting block includes a sixth connecting body, the sixth connecting body and the fifth connecting body are symmetrically arranged with respect to the vertical center plane of the metal high-pressure gas cylinder, and the first lifting rod and the second lifting rod are integrally formed on the fifth connecting body or the sixth connecting body.

[0020] Furthermore, the flexible sleeve is made of a material with a hardness lower than that of a metal high-pressure gas cylinder.

[0021] Compared with existing technologies, the metal high-pressure gas cylinder pressurization connection device of the present invention has the following advantages:

[0022] (1) The metal high-pressure gas cylinder pressure connection device of the present invention achieves fast and reliable connection and disassembly with the metal high-pressure gas cylinder through a specially designed water pressure connector and flexible sleeve, reducing operation time. Multiple sets of lifting bar components can be used together to improve the efficiency of testing work, thereby promoting the rapid development of metal high-pressure gas cylinder manufacturing and testing.

[0023] (2) The metal high-pressure gas cylinder pressurization connection device of the present invention effectively solves the problem of excessive pressurization time of a single hydraulic device. Under the premise of ensuring the pressurization quality of the metal high-pressure gas cylinder and the stable operation of the equipment, it achieves a faster and more continuous pressurization process through parallel operation and optimized assembly process, effectively improving the pressurization efficiency of the metal high-pressure gas cylinder. Attached Figure Description

[0024] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0025] Figure 1 This is a schematic diagram of the metal high-pressure gas cylinder pressurization connection device according to Embodiment 1 of the present invention;

[0026] Figure 2 for Figure 1 A partially enlarged structural diagram of the connecting section;

[0027] Figure 3 This is a schematic diagram of the metal high-pressure gas cylinder pressurization connection device described in Embodiment 2 of the present invention;

[0028] Figure 4 for Figure 3 A partially enlarged structural diagram of the connecting section;

[0029] Figure 5 This is a schematic diagram of the metal high-pressure gas cylinder pressurization connection device described in Embodiment 3 of the present invention;

[0030] Figure 6 for Figure 5 A partially enlarged structural diagram of the connecting section;

[0031] Figure 7 This is a schematic diagram of the metal high-pressure gas cylinder pressurization connection device described in Embodiment 4 of the present invention;

[0032] Figure 8 for Figure 7 A partially enlarged structural diagram of the connecting section;

[0033] Figure 9 This is a schematic diagram of the structure of a pressure-connecting device in the prior art;

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. High-pressure metal gas cylinder; 101. Cylinder neck pipe; 2. Hydraulic connector; 21. Connecting device; 22. Locking device; 3. Flexible sleeve; 4. Lifting bar assembly; 401. Connecting part; 402. Lifting bar part; 41. First connecting block; 411. First connecting block body; 412. First lifting rod; 413. First limiting sleeve; 42. Second connecting block; 421. Second connecting block body; 422. Second lifting rod; 423. Second limiting sleeve; 43. Insertion block; 44. Insertion groove; 4 5. First connector; 46. First arc-shaped receiving groove; 471. Third connecting body; 472. First connecting ear plate; 473. Second connecting ear plate; 474. Fourth connecting body; 475. Third connecting ear plate; 476. Fourth connecting ear plate; 477. Connecting screw; 48. Second arc-shaped receiving groove; 491. Fifth connecting body; 4911. Third arc-shaped receiving part; 4912. Fifth connecting ear plate part; 4913. Sixth connecting ear plate part; 492. Sixth connecting body. Detailed Implementation

[0036] To make the technical means and objectives and effects of the present invention easier to understand, the embodiments of the present invention will be described in detail below with reference to specific illustrations.

[0037] It should be noted that all directional and positional terms used in this invention, such as "up," "down," "left," "right," "front," "back," "vertical," "horizontal," "inner," "outer," "top," "lower," "lateral," "longitudinal," and "center," are only used to explain the relative positional relationships and connections between components in a specific state (as shown in the accompanying drawings). They are merely for the convenience of describing the invention and do not require the invention to be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on the invention. Furthermore, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0038] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0039] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the 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.

[0040] Example 1

[0041] like Figures 1-2 As shown, this invention discloses a pressure-pressurizing connection device for metal high-pressure gas cylinders, comprising:

[0042] A metal high-pressure gas cylinder 1, with a bottle mouth tube 101 provided at the upper end of the metal high-pressure gas cylinder 1;

[0043] The lifting rod assembly 4 includes a connecting part 401 and a lifting rod part 402, wherein the connecting part 401 is used to connect to the bottle neck tube 101.

[0044] The flexible sleeve 3 is placed in the receiving groove in the connecting part 401 corresponding to the bottle mouth tube 101;

[0045] The water pressure connector 2 extends into the receiving groove of the connector 401 and is detachably connected to the bottle neck tube 101.

[0046] The metal high-pressure gas cylinder pressurization connection device disclosed in this application, by setting the lifting rod assembly 4 as a structure including a connecting part 401 and a lifting rod part 402, integrates the connecting part 401 of the lifting rod assembly 4 with the connection parts of the water pressure connector 2 and the cylinder head pipe 101, and uses a specially made water pressure connector 2 and a flexible sleeve 3 to connect the metal high-pressure gas cylinder 1 to the lifting mechanism and the water pressure quick-connect device, thereby realizing the water pressure test of the metal high-pressure gas cylinder 1. When the water pressure connector 2 is detachably connected to the cylinder head pipe 101, the water pressure connector 2 can squeeze the flexible sleeve 3 to achieve a flexible seal, and ensure the tightness of the relative connection between the lifting rod assembly 4 and the water pressure connector 2 and the cylinder head pipe 101. After the lifting rod assembly 4, the flexible sleeve 3, and the water pressure connector 2 are installed on the metal high-pressure gas cylinder 1, the lifting rod part 402 is hoisted into the water jacket by an overhead crane, the pressurization quick-connect is screwed into the upper threaded hole of the water pressure connector 2, the equipment is turned on, and the pressure test is carried out. This structure is relatively simple and easy to install. It is easy to disassemble and multiple sets of lifting rods can be made at the same time. During the pressurization of the first high-pressure metal cylinder 1, the water pressure device of the second high-pressure metal cylinder 1 and the third high-pressure metal cylinder 1 can be installed simultaneously. Compared with the existing technology that uses a water pressure connector 2 including a connecting device 21 and a locking device 22, which requires the design of a separate hoisting structure and the separate installation and disassembly of the hoisting structure and the water pressure connector 2, the metal high-pressure gas cylinder pressurization connection device disclosed in this application greatly improves the water pressure detection efficiency of the metal high-pressure gas cylinder 1.

[0047] The metal high-pressure gas cylinder pressure connection device disclosed in this application achieves quick and reliable connection and disassembly with the metal high-pressure gas cylinder 1 through a specially designed hydraulic connector 2 and a flexible sleeve 3, reducing operation time. Furthermore, multiple sets of lifting bar assemblies 4 can be used in conjunction to improve testing efficiency, thereby promoting the rapid development of metal high-pressure gas cylinder manufacturing and testing.

[0048] As a preferred example of this application, two suspension bar portions 402 are provided, and the two suspension bar portions 402 are symmetrically arranged on opposite sides of the central axis of the connecting portion 401. The connecting portion 401 and the suspension bar portion 402 are integrally formed or detachably connected.

[0049] By providing two symmetrically arranged lifting bar sections 402 on opposite sides of the connecting section 401, a more balanced support structure is provided, which helps to balance the weight of the connecting section 401 and the metal high-pressure gas cylinder 1, distributes the load of the lifting device on the connecting section 401 more evenly, reduces the single-point pressure borne by the connecting parts, and enhances the stability and safety of the connection between the lifting bar assembly 4 and the metal high-pressure gas cylinder 1.

[0050] Example 2

[0051] like Figure 3As shown in Figure 4, the present invention discloses a metal high-pressure gas cylinder pressurization connection device. The connection part 401 includes a first connection block 41 and a second connection block 42, which are detachably connected. The lifting bar part 402 includes a first lifting rod 412 and a second lifting rod 422, which are detachably connected to the first connection block 41 and the second connection block 42 or integrally formed.

[0052] This design discloses a detachable connection part 401, which makes it more convenient to maintain, replace or adjust the connecting parts of the boom assembly 4. These parts can be easily separated and reconnected, and it can adapt to different specifications or types of high-pressure metal cylinders 1, improving the versatility and adaptability of the device and facilitating storage and transportation.

[0053] As a preferred example of this application, the first connecting block 41 and the second connecting block 42 are connected by a plug-in block 43 and a plug-in slot 44. This design helps to ensure a tight fit between the first connecting block 41 and the second connecting block 42, enhances the stability and firmness of their connection, and facilitates quick assembly and disassembly, reducing connection and separation time and improving operational convenience.

[0054] As a preferred example of this application, the first connecting block 41 includes a first connecting block body 411, a first arc-shaped receiving groove 46 is provided on the first connecting block body 411, and a plug-in block 43 and a plug-in groove 44 are respectively provided on both sides of the first arc-shaped receiving groove 46. The second connecting block 42 includes a second connecting block body 421, a first arc-shaped receiving groove 46 is provided on the second connecting block body 421, and a plug-in block 43 and a plug-in groove 44 are respectively provided on opposite sides of the first arc-shaped receiving groove. The first arc-shaped receiving groove 46 on the first connecting block body 411 and the first arc-shaped receiving groove 46 on the second connecting block body 421 are spliced ​​to form a receiving groove for accommodating the bottle neck tube 101. The plug-in block 43 on the first connecting block body 411 is plugged into the plug-in groove 44 on the second connecting block body 421, and the plug-in groove 44 on the first connecting block body 411 is plugged into the plug-in block 43 on the second connecting block body 421.

[0055] This design discloses a specific interlocking connection structure between the first connecting block 41 and the second connecting block 42, which provides more precise docking and matching, enhances the firmness and stability of the connection, reduces the risk of loosening or falling off of the connecting parts, and ensures the safety of the bottle neck tube 101 connection.

[0056] As a preferred example of this application, the first connecting block 41 and the second connecting block 42 are arranged facing each other, the first hanger 412 is disposed on the side of the first connecting block 41 away from the second connecting block 42, and the second hanger 422 is disposed on the side of the second connecting block 42 away from the first connecting block 41.

[0057] This arrangement, by arranging the first connecting block 41 and the second connecting block 42 facing each other and setting hangers at their respective far ends, avoids mutual interference between components, increases the lifespan and stability of the connecting components, and improves the overall balance performance of the device.

[0058] As a preferred example of this application, the first lifting rod 412 is detachably connected to the first connecting block 41, and the second lifting rod 422 is detachably connected to the second connecting block 42. As a specific example of this application, a first connector 45 is provided on the opposite side of the first arc-shaped receiving groove 46 on the first connecting block body 411, and the first connector 45 is used to connect the first lifting rod 412. Correspondingly, a first connector 45 is provided on the opposite side of the first arc-shaped receiving groove 46 on the second connecting block body 421, and the first connector 45 is used to connect the second lifting rod 422.

[0059] This design further improves the convenience of maintaining, replacing, or adjusting the connecting components, while enabling modular handling of the device or maintenance. It is easy to connect, reliable in use, and more applicable, enhancing the modular production, use, and maintenance of the metal high-pressure gas cylinder pressurization connection device described in this application.

[0060] As a preferred example of this application, a first limiting sleeve 413 is provided on the first lifting rod 412, and a second limiting sleeve 423 is provided on the second lifting rod 422.

[0061] This setup facilitates convenient and stable connections during overhead crane hoisting, while also making the alignment process simpler and more efficient, ensuring the overall convenience and safety of the hoisting process.

[0062] The other structures are the same as in Example 1.

[0063] Example 3

[0064] like Figure 5As shown in Figure 6, the present invention discloses a metal high-pressure gas cylinder pressurization connection device. The connection part 401 includes a first connecting block 41 and a second connecting block 42, which are detachably connected. The first connecting block 41 includes a third connecting body 471, and a first connecting lug 472 and a second connecting lug 473 are respectively provided on opposite sides of the third connecting body 471. The second connecting block 42 includes a fourth connecting body 474, and a third connecting lug 475 and a fourth connecting lug 476 are provided on opposite sides of the fourth connecting body 474. The connecting ear plate 476 has a second arc-shaped receiving groove 48 on the first connecting ear plate 472 and the fourth connecting ear plate 476 for accommodating and fixing the first hanging rod 412. The second connecting ear plate 473 and the third connecting ear plate 475 have a second arc-shaped receiving groove 48 for accommodating and fixing the second hanging rod 422. The first connecting ear plate 472 and the fourth connecting ear plate 476 are detachably fixed by connecting screws 477. The second connecting ear plate 473 and the third connecting ear plate 475 are detachably fixed by other connecting screws 477.

[0065] Other structures are the same as in Example 1 or Example 2.

[0066] The design discloses another modular boom assembly 4 structure, which forms a second receiving groove for accommodating the boom by splicing two ear plate structures on opposite sides of the connecting body, ensuring the stable position of the boom installation and improving the safety and stability of the connection.

[0067] As a preferred example of this application, the first connecting ear plate 472 and the third connecting body 471 are arranged in a stepped manner, the first connecting ear plate 472 is disposed near the fourth connecting body 474 relative to the third connecting body 471, and the first connecting ear plate 472 and the second connecting ear plate 473 are arranged symmetrically on opposite sides of the third connecting body 471; correspondingly, the fourth connecting ear plate 476 and the fourth connecting body 474 are arranged in a stepped manner, the fourth connecting ear plate 476 is disposed near the third connecting body 471 relative to the fourth connecting body 474, and the fourth connecting ear plate 476 and the third connecting ear plate 475 are arranged symmetrically on opposite sides of the fourth connecting body 474. In this example, a first arc-shaped receiving groove 46 is provided on both the fourth connecting body 474 and the third connecting body 471. The two first arc-shaped receiving grooves 46 are spliced ​​together to form a receiving groove for accommodating the bottle neck tube 101. The fourth connecting body 474 and the third connecting body 471 are respectively provided with a plug-in block 43 and a plug-in groove 44. The splicing movement direction of the first connecting block 41 and the second connecting block 42 is perpendicular to the direction of the central axis of the first hanging rod 412 and the second hanging rod 422.

[0068] Example 4

[0069] like Figure 7 As shown in Figure 8, this invention discloses a metal high-pressure gas cylinder pressurization connection device. The connection part 401 includes a first connecting block 41 and a second connecting block 42, which are detachably connected. The first connecting block 41 includes a fifth connecting body 491, which includes a third arc-shaped receiving part 4911. A fifth connecting ear plate part 4912 and a sixth connecting ear plate part 4913 are symmetrically arranged on opposite sides of the third arc-shaped receiving part 4911. The fifth connecting ear plate part 4912 and the sixth connecting ear plate part 4913 are integrally formed with the third arc-shaped receiving part 4911. The second connecting block 42 includes a sixth connecting body 492, which is symmetrically arranged with respect to the vertical center plane of the metal high-pressure gas cylinder 1. The first lifting rod 412 and the second lifting rod 422 are integrally formed on the fifth connecting body 491 or the sixth connecting body 492. Other structures are the same as in other embodiments.

[0070] This design discloses the structural form of the third modular boom assembly 4, which is simple in structure, reduces the number of parts and the complexity of the device, and facilitates production and operation.

[0071] As a preferred example of this application, the flexible sleeve 3 is made of a material with a lower hardness than the metal high-pressure gas cylinder 1, such as copper or polytetrafluoroethylene. This design prevents the metal high-pressure gas cylinder pressurization connection device described in this application from causing damage or scratches to the surface of the metal high-pressure gas cylinder 1, reduces wear and friction heat generated during the connection process, helps maintain the stability of the connection, and ensures the tightness and reliability of the connection, reducing the risk of gas leakage.

[0072] As a preferred example of the present invention, the metal high-pressure gas cylinder pressurization connection device includes a pressurization method comprising the following steps:

[0073] S1: The lifting rod assembly 4 is connected to the metal high-pressure gas cylinder 1;

[0074] S2: Place the flexible sleeve 3 in the lifting rod assembly 4, and tighten the water pressure connector 2 to the metal high-pressure gas cylinder 1 through a threaded connection;

[0075] S3: Hoist the boom assembly 4 using the overhead crane device and lower it into the water jacket. Screw the pressurized quick connector into the upper threaded hole of the water pressure connector 2, turn on the equipment, and conduct a pressure test.

[0076] S4: During the pressurization process of the first high-pressure metal cylinder 1, the installation of the second high-pressure metal cylinder 1, the upper lifting rod assembly 4 of the third high-pressure metal cylinder 1, and the water pressure connector 2 are carried out simultaneously.

[0077] S5: Perform pressure tests on the assembled high-pressure metal cylinder pressure testing connection devices in sequence.

[0078] The pressurization method of the metal high-pressure gas cylinder pressurization connection device described in this application, based on the improved metal high-pressure gas cylinder pressurization connection device, effectively solves the problem of excessive pressurization time of a single hydraulic device. Under the premise of ensuring the pressurization quality of the metal high-pressure gas cylinder and the stable operation of the equipment, a faster and more continuous pressurization process is achieved through parallel operation and optimized assembly process, which effectively improves the pressurization efficiency of the metal high-pressure gas cylinder.

[0079] If the detachable lifting rod assembly 4 as shown in Examples 2-4 is used, step S1 further includes assembling the connecting part 401 and / or the lifting rod part 402 of the lifting rod assembly 4 with the metal high-pressure gas cylinder 1. Designing the lifting rod assembly 4 as a detachable structure facilitates the assembly personnel in setting the number of lifting rod assemblies 4 according to design efficiency and requirements, and allows for simultaneous assembly, improving the applicability of components, increasing the efficiency of hydrostatic testing, and overcoming the limitation of long connection and hoisting time during the pressurization process of the metal high-pressure gas cylinder. This enables the same pressurization equipment to continuously and quickly complete pressurization, improving industrial efficiency.

[0080] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pressure testing connection device for a metal high-pressure gas cylinder, characterized in that, include: A metal high-pressure gas cylinder (1) is provided with a bottle mouth tube (101) at the upper end of the metal high-pressure gas cylinder (1). The lifting rod assembly (4) includes a connecting part (401) and a lifting rod part (402), wherein the connecting part (401) is used for docking with the bottle neck tube (101); The flexible sleeve (3) is placed in the receiving groove in the connecting part (401) corresponding to the bottle mouth tube (101); The water pressure connector (2) extends into the receiving groove of the connecting part (401) and is detachably connected to the bottle mouth tube (101); Two suspension rods (402) are provided, and the two suspension rods (402) are arranged symmetrically on opposite sides of the central axis of the connecting part (401). The connecting part (401) and the suspension rods (402) are detachably connected. The connecting part (401) includes a first connecting block (41) and a second connecting block (42), the first connecting block (41) and the second connecting block (42) being detachably connected; the lifting rod part (402) includes a first lifting rod (412) and a second lifting rod (422), the first lifting rod (412) and the second lifting rod (422) being detachably connected to the first connecting block (41) and the second connecting block (42); The first connecting block (41) includes a third connecting body (471), with a first connecting ear plate (472) and a second connecting ear plate (473) respectively disposed on opposite sides of the third connecting body (471). The second connecting block (42) includes a fourth connecting body (474), with a third connecting ear plate (475) and a fourth connecting ear plate (476) disposed on opposite sides of the fourth connecting body (474). The first connecting ear plate (472) and the fourth connecting ear plate (476) are provided with a second arc-shaped receiving groove (48) for accommodating and fixing the first hanging rod (412). The second connecting ear plate (473) and the third connecting ear plate (474) are respectively disposed on opposite sides of the third connecting body (474). The third connecting ear plate (475) is provided with a second arc-shaped receiving groove (48) for accommodating and fixing the second rod (422). The first connecting ear plate (472) and the fourth connecting ear plate (476) are detachably fixed by connecting screws (477). The second connecting ear plate (473) and the third connecting ear plate (475) are detachably fixed by other connecting screws (477). The first connecting ear plate (472) and the third connecting body (471) are arranged in a stepped shape. The flexible sleeve (3) is made of a material with a hardness lower than that of the metal high-pressure gas cylinder (1). The flexible sleeve (3) is made of either copper or polytetrafluoroethylene.

2. The metal high-pressure gas cylinder pressurization connection device according to claim 1, characterized in that, Alternatively, the first connecting block (41) and the second connecting block (42) can be connected by a plug-in block (43) and a plug-in slot (44); the first connecting block (41) includes a first connecting block body (411), a first arc-shaped receiving groove (46) is provided on the first connecting block body (411), and a plug-in block (43) and a plug-in slot (44) are respectively provided on both sides of the first arc-shaped receiving groove (46); the second connecting block (42) includes a second connecting block body (421), a first arc-shaped receiving groove (46) is provided on the second connecting block body (421), and a plug-in block (43) and a plug-in slot (44) are respectively provided on both sides of the first arc-shaped receiving groove (43); On opposite sides, a plug-in block (43) and a plug-in groove (44) are respectively provided. The first arc-shaped receiving groove (46) on the first connecting block body (411) and the first arc-shaped receiving groove (46) on the second connecting block body (421) are spliced ​​to form a receiving groove for receiving the bottle neck tube (101). The plug-in block (43) on the first connecting block body (411) is plugged into the plug-in groove (44) on the second connecting block body (421). The plug-in groove (44) on the first connecting block body (411) is plugged into the plug-in block (43) on the second connecting block body (421).

3. The metal high-pressure gas cylinder pressurization connection device according to claim 2, characterized in that, The first connecting block (41) and the second connecting block (42) are arranged facing each other. The first hanging rod (412) is located on the side of the first connecting block (41) away from the second connecting block (42), and the second hanging rod (422) is located on the side of the second connecting block (42) away from the first connecting block (41).

4. The metal high-pressure gas cylinder pressurization connection device according to claim 3, characterized in that, The first boom (412) is detachably connected to the first connecting block (41), and the second boom (422) is detachably connected to the second connecting block (42).

5. A pressure testing connection device for a metal high-pressure gas cylinder, characterized in that, include: A metal high-pressure gas cylinder (1) is provided with a bottle mouth tube (101) at the upper end of the metal high-pressure gas cylinder (1). The lifting rod assembly (4) includes a connecting part (401) and a lifting rod part (402), wherein the connecting part (401) is used for docking with the bottle neck tube (101); The flexible sleeve (3) is placed in the receiving groove in the connecting part (401) corresponding to the bottle mouth tube (101); The water pressure connector (2) extends into the receiving groove of the connecting part (401) and is detachably connected to the bottle mouth tube (101); Two suspension rods (402) are provided, and the two suspension rods (402) are arranged symmetrically on opposite sides of the central axis of the connecting part (401). The connecting part (401) and the suspension rods (402) are integrally formed. The connecting part (401) includes a first connecting block (41) and a second connecting block (42), the first connecting block (41) and the second connecting block (42) being detachably connected, and the lifting rod part (402) includes a first lifting rod (412) and a second lifting rod (422), the first lifting rod (412) and the second lifting rod (422) being integrally formed with the first connecting block (41) and the second connecting block (42); The first connecting block (41) includes a fifth connecting body (491), which includes a third arc-shaped receiving portion (4911). A fifth connecting ear plate portion (4912) and a sixth connecting ear plate portion (4913) are symmetrically arranged on opposite sides of the third arc-shaped receiving portion (4911). The fifth connecting ear plate portion (4912) and the sixth connecting ear plate portion (4913) are integrally formed with the third arc-shaped receiving portion (4911). The second connecting block (42) includes a fifth connecting body (4912) and a sixth connecting ear plate portion (4913). The sixth connecting body (492) and the fifth connecting body (491) are arranged symmetrically with respect to the vertical center plane of the metal high-pressure gas cylinder (1). The first hanging rod (412) and the second hanging rod (422) are integrally formed on the fifth connecting body (491) or the sixth connecting body (492). The flexible sleeve (3) is made of a material with a hardness lower than that of the metal high-pressure gas cylinder (1). The flexible sleeve (3) is made of either copper or polytetrafluoroethylene.

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