Outer wrapping type flexible connection replacing interlayer type flexible connection

Abstract

The utility model discloses an outer wrapping type flexible connection replacing interlayer type flexible connection. The outer wrapping type flexible connection replacing interlayer type flexible connection comprises a flexible connection outer wrapping, a flexible connection, a first flow guide plate, a lifting bolt, a flexible connection outer plate, an inner welding nut, an outer plate, an inner plate, angle steel, a rib plate, an upper flange, a second flow guide plate, a lower flange, a skin pressing plate, a bending piece, a lead screw and a skin. Wherein the flexible connector wraps the outer side of the rectangular flexible connector and is structurally characterized in that angle steel, an upper flange, an internal welding nut and a lifting bolt connecting nut are welded at an outer plate, and an inner plate is welded after the inner side is filled; the flexible connector is composed of an upper flange, a second flow guide plate, a lower flange, a skin pressing plate, a bending piece, a lead screw and a skin, the upper flange is welded to the flow guide plate, the skin is connected to the lower flange of the flow guide plate through bolts and then fixed to the flanges through the pressing plate and the bolts, and the upper flange and the lower flange are connected through the bending piece and the lead screw; the outer package is fixed with the side edge of the companion flange through a bolt after being welded; the sound-absorbing and heat-insulating structure has the characteristics of simplicity in installation, convenience in skin replacement, sound elimination, sound insulation, sound absorption, heat insulation and the like.

Description

Technical Field

[0001] This utility model relates to an external flexible connector as an alternative to a sandwich-type flexible connector, and more particularly to a sandwich-type flexible connector for noise reduction, which relates to an improvement on the sandwich-type flexible connector. Background Technology

[0002] Intake and exhaust silencers gradually reduce and attenuate exhaust pressure, thereby reducing noise. They are mainly used in industries such as power, petroleum, chemical, metallurgy, and textiles for effective noise reduction in intake and exhaust. They are an important measure to eliminate steam emission noise and a crucial component of intake and exhaust systems. Most existing flexible connections are sandwich structures and fixed to other components, making regular replacement and maintenance inconvenient. Furthermore, the limited adjustability of flexible connections results in poor operational efficiency, hindering the development of intake and exhaust systems. Summary of the Invention

[0003] The purpose of this invention is to propose a method that uses an outer flexible connector to replace the flexible connector sandwich structure, achieving the same function as the sandwich structure flexible connector while making it easier to replace and maintain the flexible connector.

[0004] The above objective is achieved through the following technical solution: a flexible connection outer casing device that replaces the flexible connection sandwich structure, comprising a flexible connection outer casing, a flexible connection, a first guide plate, lifting eye screws, a flexible connection outer plate, an internal welded nut, an outer plate, an inner plate, angle steel, ribs, an upper flange, a second guide plate, a lower flange, a skin pressure plate, a bending component, a threaded rod, and a skin; the flexible connection outer casing is sized according to the dimensions, i.e., it is installed in sections (1-1, 1-2, 1-3, 1-4, 1-5, 1-6, 1-7, 1-8), and the components are connected by connectors. Specifically, the outer panel is welded to the angle steel flange; internal support components are welded to the outer panel to prevent deformation of the inner and outer panels; ultra-fine glass fiber cloth and glass wool are filled between the outer and inner panels for sound absorption; connecting plates are welded to the outer sides of the segmented outer panels, and adjustment plates are placed between the outer panels and connected by bolts; the inner panel (with a dead edge on the perforated plate) is welded to the outer panel after being filled with glass wool; ribs are used to enhance the structural strength between the angle steel flange and the outer panel; at the same time, lifting eye bolts can be installed in the threaded holes of the outer panel for easy hoisting; in addition, bolt holes are opened on the angle steel flange and connected to the air intake system by bolts; this device plays a role in sound insulation and noise reduction by wrapping the flexible connection.

[0005] The structure of the flexible connector outer casing is separated from that of the ordinary sandwich-type flexible connector, and the flexible connector outer casing sandwich is separated from the airflow channel.

[0006] When the exhaust gas flows through, the flexible connector outer casing allows for a greater range of motion due to thermal expansion.

[0007] The flexible connection is filled with heat-insulating material. Beneficial effects

[0008] 1. Compared with ordinary sandwich-type flexible connections, this utility model separates the integrated sandwich-type flexible connection structure into a flexible connection and a flexible connection outer casing; the whole is composed of a flexible connection and a flexible connection outer casing; the flexible connection is directly composed of upper and lower flanges, a guide plate, a skin, and a skin pressure plate; it has the characteristics of simple installation and convenient skin replacement (only the outer casing needs to be removed when replacing the skin; the skin can be replaced directly; compared with normal sandwich-type flexible connections, it can effectively prevent the sound insulation and sound absorption materials from falling off when replacing the skin and save replacement time).

[0009] 2. The outer casing structure of this utility model differs from that of a sandwich-type flexible connection. The main function of the flexible connection in the intake and exhaust system is to prevent large deformations caused by thermal expansion and contraction during system operation. That is, the flexible connection will undergo axial and radial displacement during system operation, at which time the flexible connection plays a protective role. During the displacement process, the internal filling material of the sandwich-type flexible connection will be squeezed and deformed. The deformation of compression or stretching is smaller than that of the single-skin structure. That is, the displacement of the non-sandwich-type flexible connection is larger than that of the sandwich-type flexible connection of the same size, thus providing better protection.

[0010] 3. The external flexible connector of this utility model uses a perforated plate inside to achieve better sound absorption and insulation. At the same time, if a perforated plate structure is used inside a conventional sandwich flexible connector, the sound-absorbing material inside will be in direct contact with the airflow. If the airflow velocity is too high, the sound-absorbing material will be sucked into the intake and exhaust system, creating a hidden danger. However, the external flexible connector does not come into direct contact with the airflow, and this structure can avoid such hidden dangers.

[0011] 4. The external flexible connector of this utility model uses a perforated plate inside, which can absorb sound and insulate heat; it has a better sound-absorbing effect than the internal rigid structure. Attached Figure Description

[0012] Figure 1 It is an assembly drawing of an external flexible connection.

[0013] Figure 2 It is an isometric drawing of the flexible connector outer casing.

[0014] Figure 3 This is a cross-sectional view of an external flexible connection structure.

[0015] Figure 4 This is a schematic diagram of the structure of a single-piece soft connector outer casing.

[0016] Figure 5 It is a cross-sectional view of the structure of a single piece of soft connector.

[0017] Figure 6 It is a cross-sectional view of the structure of a single piece of soft connector.

[0018] Figure 7 It is a cross-sectional view of the structure of a single piece of soft connector. Detailed Implementation

[0019] Example 1: An external flexible connection replacing a sandwich-type flexible connection, comprising a flexible connection outer casing (1), a flexible connection (2), a first guide plate (3), a lifting eye bolt (4), a flexible connection outer plate (5), an internal welded nut (6), an outer plate (7), an inner plate (8), an angle steel (9), a rib plate (10), an upper flange (11), a second guide plate (12), a lower flange (13), a skin pressure plate (14), a bent piece (15), a threaded rod (16), and a skin (17); the flexible connection outer plate (5) is externally welded with an angle steel (9), the flexible connection outer casing (1) is internally welded with an upper flange (11) and an internally welded nut (6), and the lifting eye bolt (4) is externally connected by the nut. The interior is filled with thermal and sound insulation material. The steel (9) and the outer plate (7) are welded with ribs (10) to increase strength, and finally the inner plate (8) is welded. The flexible connection (upper and lower) consists of an upper flange (11), a second guide plate (12), a lower flange (13), a skin pressure plate (14), a bending piece (15), a screw rod (16), and a skin (17). The upper flange (11) is welded to the guide plate (12), and the skin (17) is bolted to the second guide plate (12) and the lower flange (13). The pressure plate (14) is then bolted to the flange. The upper and lower flanges are connected by bending pieces (15) and screw rods (16). After the outer welding is completed, the flexible connection (2) is hoisted and fixed to the side by bolts using eye bolts (4).

[0020] In the description of this utility model, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention 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. Therefore, they should not be construed as limiting the present invention.

[0021] This utility model uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this invention. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An external flexible connector to replace a sandwich-type flexible connector, characterized in that; The components include a flexible connector outer casing (1), a flexible connector (2), a first guide plate (3), a lifting eye bolt (4), a flexible connector outer plate (5), an internal welded nut (6), an outer plate (7), an inner plate (8), an angle steel (9), a rib plate (10), an upper flange (11), a second guide plate (12), a lower flange (13), a skin pressure plate (14), a bent part (15), a threaded rod (16), and a skin (17). The flexible connector outer casing (1) consists of an angle steel (9), an outer plate (7), an upper flange (11), a flexible connector outer plate (5), an inner plate (8), a rib plate (10), a lifting eye bolt (4), and a flexible connector adjusting plate. An angle steel (9) is welded to the outside of the flexible connector outer plate (5). The flexible connector outer casing (1) has an upper flange (11) welded inside the outer plate (7) and a nut (6) welded inside. The lifting eye bolt (4) is connected externally via the nut. The inner plate is filled with thermal and sound insulation materials. The angle steel (9) and the outer plate (7) are welded with ribs (10) to increase strength. Finally, the inner plate (8) is welded. The flexible connection consists of an upper flange (11), a second guide plate (12), a lower flange (13), a skin pressure plate (14), a bending piece (15), a screw rod (16), and a skin (17). The upper flange (11) is welded to the second guide plate (12). The skin (17) is bolted to the second guide plate (12) and the lower flange (13). The pressure plate (14) is then bolted to the flange. The upper and lower flanges are connected by bending pieces (15) and screw rods (16). After the outer casing is welded, it is hoisted with eye bolts (4) and bolted to the side of the flexible connection (2). The size of the flexible connection and the outer casing can be adjusted according to the actual situation, as well as the internal sound insulation and sound absorption materials.

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