I-shaped steel component with damping material

Abstract

The I-shaped steel component with the damping material comprises a steel part integrally formed by a web plate and a wing plate, anti-vibration assemblies are arranged on the two sides of the web plate, and each anti-vibration assembly comprises a damping layer attached to the side face of the web plate and a restraining plate bonded to the outer surface of the damping layer through an adhesive layer; and the damping layer is sleeved and positioned with a positioning column protruding from the side surface of the web plate through a sleeving hole in the damping layer. The I-shaped steel component with the damping material aims to overcome the existing defects, mechanical energy of structural vibration is efficiently converted into heat energy through a restraint layer damping structure formed by the damping layer and the restraint plate, the heat energy is dissipated, vibration and noise of a ship engine room are effectively restrained, and the service life of the ship engine room is prolonged. Through the design of the positioning columns and the sleeving holes, rapid and accurate positioning of the damping layer is achieved; the adsorption magnets provide reliable temporary fixation, hands of operators are liberated, gluing and subsequent installation are facilitated, and the device is particularly suitable for high-altitude or narrow space operation.

Description

TECHNICAL FIELD

[0001] The application relates to an I-shaped steel member with damping material. BACKGROUND

[0002] The marine engine room environment is harsh, and vibration and noise generated by mechanical equipment operation not only affects comfort, but also accelerates structural fatigue and threatens navigation safety.

[0003] However, the traditional additional damping structure has weak cooperative deformation capacity with the original component, low energy dissipation efficiency, and the exposed damping material is easily affected by oil stains, moisture, temperature changes and physical impacts in the engine room, resulting in aging and falling off, and high maintenance cost.

[0004] Therefore, the I-shaped steel member with damping material is proposed to solve the above problems. SUMMARY

[0005] The I-shaped steel member with damping material provided by the application can solve the problems in the background.

[0006] To achieve the above purpose, the application provides the following technical scheme: an I-shaped steel member with damping material, comprising a steel piece integrally formed by a web plate and a wing plate, anti-vibration assemblies are arranged on both sides of the web plate, the anti-vibration assemblies comprise a damping layer attached to the side surface of the web plate and a constraint plate bonded to the outer surface of the damping layer through an adhesive layer, and the damping layer is positioned through a sleeve joint hole on the damping layer and a positioning column protruding from the side surface of the web plate.

[0007] Preferably, an adsorption magnet is fixed to the inner side of the constraint plate, a notch for the adsorption magnet to pass through is formed in the corresponding position of the damping layer, and the adsorption magnet can be adsorbed on the web plate.

[0008] Preferably, the bonding surface of the constraint plate in contact with the adhesive layer is a rough surface treated by sand blasting.

[0009] Preferably, the application further comprises a guide assembly for limiting the installation direction of the constraint plate, the guide assembly comprises a guide groove formed in the boundary of the wing plate, and a U-shaped fastener fixed to the outer surface of the constraint plate, and a guide block slidingly connected in the U-shaped fastener.

[0010] Preferably, the contact surfaces of the guide block and the guide groove are a first inclined surface and a second inclined surface matched with each other.

[0011] Preferably, a groove is arranged in the guide block, and the groove is connected with a protrusion on the inner surface of the U-shaped fastener through an auxiliary spring on the side wall of the groove.

[0012] Preferably, a guide rod is fixed in the groove, and the auxiliary spring is sleeved on the guide rod.

[0013] Preferably, the inner part of the protruding block is provided with a through hole in sliding connection with the guide rod.

[0014] Preferably, the damping layer is made of high-damping viscoelastic material.

[0015] Preferably, the adhesive layer is a high-strength structural adhesive layer.

[0016] Compared with the prior art, the beneficial effects of the present application are: the I-shaped steel member with damping material, through the constraint layer damping structure formed by the damping layer and the constraint plate, efficiently converts the mechanical energy of structural vibration into heat energy and dissipates, effectively inhibits the vibration and noise of the ship engine room, and the design of the positioning column and the sleeve hole realizes the rapid and accurate positioning of the damping layer; the adsorbing magnet provides reliable temporary fixing, frees the hands of the operator, facilitates gluing and subsequent installation, and is especially suitable for high-altitude or narrow-space operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the application, and constitute a part of the specification, illustrate the application, and are used to explain the application together with the embodiments of the application, and do not constitute a limitation on the application. In the drawings: Figure 1 is a schematic diagram of the overall structure of the application; Figure 2 is a schematic diagram of the steel member structure of the application; Figure 3 is an exploded view of the anti-vibration assembly structure of the application; Figure 4 is Figure 3 is an enlarged view of structure A; Figure 5 is a sectional view of the U-shaped fastener and guide block structure of the application; Figure 6 is an exploded view of the auxiliary spring structure of the application; Figure 7 is a side view of the U-shaped fastener structure of the application.

[0018] In the drawings: 1, steel member; 11, wing plate; 12, web; 2, anti-vibration assembly; 21, damping layer; 211, notch; 212, sleeve hole; 22, constraint plate; 23, positioning column; 24, adsorbing magnet; 25, adhesive layer; 3, guide assembly; 31, guide groove; 32, U-shaped fastener; 33, guide block; 34, groove body; 35, guide rod; 36, protruding block; 37, auxiliary spring. DETAILED DESCRIPTION

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] like Figures 1-7 As shown, the H-beam structure with damping material includes a steel component 1 integrally formed from a web 12 and flanges 11. Vibration-resistant components 2 are provided on both sides of the web 12. Each vibration-resistant component 2 includes a damping layer 21 attached to the side of the web 12 and a constraint plate 22 bonded to the outer surface of the damping layer 21 via an adhesive layer 25. The damping layer 21 is positioned by engaging with positioning posts 23 protruding from the side of the web 12 through its socket 212. This simple engagement allows for rapid and precise pre-positioning of the damping layer 21 on the web 12 without repeated adjustments, ensuring the accuracy of the damping layer 21's coverage position and thus ensuring consistent vibration reduction. Furthermore, this structure effectively prevents the damping layer 21 from moving during the subsequent installation of the constraint plate 22, guaranteeing product quality. An adsorption magnet 24 is fixed to the inner side of the constraint plate 22, and the damping layer 21 has corresponding openings for the adsorption of the magnet. Through the notch 211, the magnet 24 can be attracted to the web plate 12. The magnet 24 solves the problem of temporary fixation of the constraint plate 22 before applying adhesive and final bonding. The magnetic fixation provides a stable and reliable temporary fixing force, allowing the operator to free their hands to perform other tasks, such as checking the adhesive application. This greatly improves the ease of installation and ensures that the constraint plate 22 always maintains the correct relative position with the damping layer 21 before the adhesive cures. This lays the foundation for forming a uniform and gapless adhesive layer 25. The bonding surface of the constraint plate 22 and the adhesive layer 25 is a rough surface treated by sandblasting. Sandblasting greatly improves the roughness of the bonding surface of the constraint plate 22. Combined with high-strength structural adhesive, a strong connection is formed with chemical adhesion and mechanical interlocking as dual guarantees. The interface strength is high, and the shear and peel resistance is good, ensuring the durability of the structure under long-term vibration.

[0021] The aforementioned damping layer 21, constraint plate 22, and adhesive layer 25 constitute a constraint layer damping structure. Therefore, when the I-beam vibrates, the deformation of the web 12 forces the damping layer 21 to undergo continuous shear deformation, thereby efficiently converting the destructive mechanical vibration energy into heat energy and dissipating it, suppressing vibration and noise at the source. At the same time, the constraint plate 22 firmly constrains the damping layer 21 to the web 12 through the adhesive layer 25, ensuring the coordinated deformation of the three components and providing robust physical protection for the soft damping layer 21, protecting it from environmental damage such as impact, wear, and oil stains, thus improving its durability.

[0022] Specifically, the guiding assembly 3 for limiting the installation direction of the constraint plate 22 includes a guiding groove 31 opened at the boundary of the wing plate 11 and a U-shaped fastener 32 fixed to the outer surface of the constraint plate 22, the U-shaped fastener 32 is slidingly connected with a guiding block 33, the contact surfaces of the guiding block 33 and the guiding groove 31 are respectively a first inclined surface and a second inclined surface matched with each other, through the cooperation of the first inclined surface and the second inclined surface, a unique correct installation path is formed, if the constraint plate 22 is installed in the wrong direction, the inclined surfaces will interfere and cannot be installed, thus physically eliminating the possibility of installation in the wrong direction, avoiding the bonding failure and material waste caused by the wrong direction, and the cooperation of the guiding groove 31 and the guiding block 33 provides a clear movement trajectory for the installation of the constraint plate 22, so that the constraint plate 22 can be smoothly and smoothly installed in place, the guiding block 33 is internally provided with a groove body 34, the groove body 34 is connected with a protrusion 36 on the inner surface of the U-shaped fastener 32 through the auxiliary spring 37 on the side wall of the groove body 34, a guide rod 35 is fixed in the groove body 34, the auxiliary spring 37 is sleeved on the guide rod 35, the inner portion of the protrusion 36 is provided with a through hole slidingly connected with the guide rod 35, the auxiliary spring 37 cooperates with the guide rod 35 to ensure that the guiding block 33 slides smoothly, resets in time and does not produce deflection, so that the guiding process is stable and reliable.

[0023] The guiding assembly 3 forms a physical error prevention mechanism through the ingenious inclined surface design, fundamentally ensures that the installation direction of the constraint plate 22 is absolutely correct, and avoids the bonding failure and quality accidents caused by the wrong installation direction.

[0024] Specifically, the damping layer 21 is made of a high-damping viscoelastic material, which has a high "loss factor", meaning that it can convert the maximum proportion of mechanical vibration energy (kinetic energy) into internal energy (mainly heat energy) when deformed under force, and dissipate it in the form of heat, and high-quality viscoelastic materials usually have good damping performance within a certain temperature and frequency range, which enables the component to effectively cope with various vibration sources such as the main engine, auxiliary engine, propeller, etc. at different speeds and frequencies in the ship engine room, and the viscoelasticity allows the damping layer 21 to deform with the deformation of the I-beam (to ensure cooperative work) and to dissipate a large amount of energy through internal friction during deformation, and the viscoelastic material usually has a certain softness, which can well fit the surface of the web plate 12, even if there is a slight unevenness on the surface, it can also fully contact, ensuring effective transmission of vibration energy; the adhesive layer 25 is a high-strength structural adhesive layer, which can achieve a bonding strength comparable to the strength of the bonded material itself, preventing the constraint plate 22 and the damping layer 21 from separating at the interface, and in the vibration environment, the adhesive layer 25 needs to withstand the combined action of multiple stresses such as shear, tension, and peeling; high-strength structural adhesives are designed to withstand such structural loads, ensuring the reliability of the connection, and special high-strength structural adhesives usually have excellent fatigue resistance, aging resistance, temperature resistance, moisture resistance, and chemical medium resistance, which can be highly matched with the harsh environment of the ship engine room, ensuring that the adhesive connection will not fail prematurely due to environmental factors during the entire design life of the component.

[0025] The I-beam component with damping material has a main body that is a steel piece 1 integrally formed with a web plate 12 and a wing plate 11, and an anti-vibration assembly 2 is added on both sides of the web plate 12, and the damping layer 21 in the anti-vibration assembly 2 is used to absorb the vibration generated by the mechanical operation of the ship engine room on the deck or platform structure, the damping layer 21 is fitted on the side of the web plate 12 by the positioning column 23 in the sleeve hole 212, and the high-strength structural adhesive of the adhesive layer 25 is used to adhere the constraint plate 22 to the outer surface of the damping layer 21, avoiding damage to the damping layer 21, and before adhering the constraint plate 22, the adsorbing magnet 24 inside the constraint plate 22 can be adsorbed on the web plate 12 through the gap 211 of the damping layer 21.

[0026] And the adhesive surface of the constraint plate 22 in contact with the adhesive layer 25 is sandblasted, so that the surface roughness is increased, the real surface area is increased, the chemical adhesion area is doubled, the fastening degree after adhesion is improved, the sandblasting roughening not only increases the chemical adhesion area, but also creates a strong mechanical interlocking effect; After the adhesive penetrates into the micro concave pit and solidifies, countless tiny anchors are formed, the connection strength is doubled, and the sleeve direction of the constraint plate 22 is limited by the guide assembly 3, so that the adhesion surface of the constraint plate 22 after sandblasting is always directed to the adhesive layer 25 between the damping layer 21 and the constraint plate 22 for adhesion and fixation; The guide groove 31 in the guide assembly 3 is arranged on the boundary of the wing plate 11, the outer surface of the constraint plate 22 is fixed with the U-shaped buckle 32, the U-shaped buckle 32 is slidably connected with the guide block 33 inside, the side wall of the groove body 34 of the guide block 33 is fixedly connected with the protrusion 36 on the inner surface of the U-shaped buckle 32 through the auxiliary spring 37, therefore, only when the first inclined surface of the guide block 33 is aligned with the second inclined surface of the guide groove 31, the guide block 33 can be sleeved with the constraint plate 22, and the guide block 33 is extruded and slides, and by using this characteristic, the purpose of limiting the sleeve direction of the constraint plate 22 is achieved, and the guide rod 35 is fixed in the groove body 34, which is used for guiding the auxiliary spring 37, avoiding deformation of the auxiliary spring 37, providing the guide block 33 with necessary elastic stroke, so that the guide block 33 can smoothly retract when extruded, and reset in time after passing, and keep contact; The guide rod 35 ensures that the spring does not bend and deflect during compression and reset, ensuring the reliability and stability of the action.

[0027] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An I-beam member with damping material, comprising a steel member (1) integrally formed from a web (12) and a flange (11), characterized in that, The web (12) is provided with vibration damping components (2) on both sides. The vibration damping components (2) include a damping layer (21) attached to the side of the web (12) and a constraint plate (22) bonded to the outer surface of the damping layer (21) by an adhesive layer (25). The damping layer (21) is positioned by being fitted with a positioning post (23) protruding from the side of the web (12) through a socket (212).

2. The I-beam member with damping material according to claim 1, characterized in that, An adsorption magnet (24) is fixed on the inner side of the constraint plate (22), and a notch (211) is opened at the corresponding position of the damping layer (21) for the adsorption magnet (24) to pass through, so that the adsorption magnet (24) can be adsorbed onto the web plate (12).

3. The I-beam member with damping material according to claim 1, characterized in that, The bonding surface between the constraint plate (22) and the adhesive layer (25) is a rough surface that has been sandblasted.

4. The I-beam member with damping material according to claim 1, characterized in that, It also includes a guide assembly (3) for defining the installation direction of the constraint plate (22), the guide assembly (3) including a guide groove (31) opened at the boundary of the wing plate (11) and a U-shaped fastener (32) fixed to the outer surface of the constraint plate (22), and a guide block (33) slidably connected inside the U-shaped fastener (32).

5. The I-beam member with damping material according to claim 4, characterized in that, The contact surfaces of the guide block (33) and the guide groove (31) are respectively the first inclined surface and the second inclined surface that cooperate with each other.

6. The I-beam member with damping material according to claim 4, characterized in that, The guide block (33) has a groove (34) inside, and the groove (34) is connected to the protrusion (36) on the inner surface of the U-shaped fastener (32) through the auxiliary spring (37) on its side wall.

7. The I-beam member with damping material according to claim 6, characterized in that, A guide rod (35) is fixed inside the groove (34), and the auxiliary spring (37) is sleeved on the guide rod (35).

8. The I-beam member with damping material according to claim 7, characterized in that, The protrusion (36) has a through hole that is slidably connected to the guide rod (35).

9. The I-beam member with damping material according to claim 1, characterized in that, The damping layer (21) is made of a highly damped viscoelastic material.

10. The I-beam member with damping material according to claim 1, characterized in that, The adhesive layer (25) is a high-strength structural adhesive layer.

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