A multi-layer composite vibration reduction frame structure

Abstract

The present application relates to a kind of multilayer composite damping frame structures, including metal structure frame, composite frame connector, and the metal structure frame is connected by composite frame into multilayer metal structure frame between the composite frame connector.The main role is to provide rigid support for mechanical vibration equipment, reduce the vibration transmission of mechanical equipment, with good high-frequency vibration isolation effect, meet the vibration reduction demand of mechanical equipment.The multilayer composite damping frame structure of the present application adopts net rack, truss or cage type frame and other structural patterns, light in weight, large in rigidity, and the frame support component is the multilayer interval composite of metal and high molecular material, can greatly reduce the vibration response of equipment, and structure is light and handy, vibration isolation effect is good, can be widely applied to equipment and platform and other vibration isolation devices.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of multilayer composite damping frame structure, especially a kind of frame structure with excellent medium-high frequency damping capacity, light structure, safe and reliable. BACKGROUND

[0002] Damping structure is a kind of structure device for reducing equipment vibration transmission widely used in engineering fields such as automobile, aerospace, ship, etc.

[0003] The existing damping structure is generally realized by installing vibration isolator on equipment foot or using double-layer vibration isolation device, and the double-layer vibration isolation device is composed of two layers of vibration isolators and intermediate mass, and its structure composition type is more. The traditional equipment damping frame is mostly pure metal structure or metal structure filled with polymer material structure in internal space, which has the disadvantages of large structure weight, weak stiffness and small vibration isolation effect. SUMMARY

[0004] The present application provides a new type of multilayer composite damping frame structure composed of multilayer metal structure frame, which fully utilizes the advantages of frame structure by structure type innovation, effectively isolates the vibration of equipment on the vibration transmission path, so that the frame structure not only has excellent damping and noise reduction effect, but also has the characteristics of small deformation, light structure, safety and reliability, and good stability.

[0005] To achieve the above-mentioned purpose, the technical scheme of the present application is as follows: a kind of multilayer composite damping frame structure, comprising metal structure frame, composite frame connecting piece, the metal structure frame is connected by composite frame connecting piece to form multilayer metal structure frame.

[0006] Further, the multilayer metal structure frame comprises a net frame, a derived frame or a cage structure type.

[0007] Further, the two ends of the composite frame connecting piece are rigidly connected or elastically connected with the metal structure frame.

[0008] Further, the composite frame connecting piece is composed of a circular or rectangular connecting rod to form a net frame or a derived frame structure type.

[0009] Further, the composite frame connecting piece is composed of metal structure and composite material structure.

[0010] Further, the composite frame connecting piece is provided with multilayer composite material structure at the middle part, and the two ends are rigidly connected with the metal structure frame, or the two ends are provided with composite material joints and elastically connected with the metal structure frame, for effectively isolating the vibration transmission between the layers of metal structure frame.

[0011] The beneficial effects of the present application are as follows:

[0012] 1. The present application can effectively isolate the vibration of mechanical structure by designing the connecting piece between common frame structure as composite frame connecting piece, overcomes the shortcomings of traditional vibration reduction structure limited by structure size, space position, etc., so that the multi-layer composite vibration reduction frame structure has excellent medium-high frequency vibration isolation effect.

[0013] 2. The composite frame connecting piece is composed of metal structure and high polymer material structure, meets the strength and stiffness requirements, the hardness of polyurethane structure is adjustable, can realize the vibration reduction demand of different mechanical equipment, the new type of composite vibration reduction frame structure is light, safe and reliable, and has good system stability.

[0014] Therefore, the multi-layer composite vibration reduction frame structure of the present application can be applied to various mechanical equipment with vibration reduction demand, has the characteristics of light structure, safety and reliability, good system stability and excellent vibration isolation effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the multi-layer composite vibration reduction frame structure of the present application;

[0016] Figure 2 is a schematic view of the multi-layer composite material arranged at the middle part of the composite frame connecting piece;

[0017] Figure 3 is a schematic view of the composite material joint arranged at both ends of the composite frame connecting piece. DETAILED DESCRIPTION

[0018] The present application will be further described below in combination with the drawings and examples.

[0019] As shown in Figure 1 , the multi-layer composite vibration reduction frame structure provided by the embodiment of the present application is a frame structure with vibration reduction efficiency, which comprises a metal structure frame one 2, a metal structure frame two 4 and a composite frame connecting piece 3.

[0020] The metal structure frame one 2 and the metal structure frame two 4 are connected into a multi-layer metal structure frame 1 through the composite frame connecting piece 3. The two ends of the composite frame connecting piece 3 are rigidly connected or elastically connected with the multi-layer metal structure frame 1.

[0021] The multi-layer metal structure frame 1 comprises a grid, a truss, a cage and the like.

[0022] The composite frame connecting piece 3 can be composed of a circular or rectangular connecting rod to form a grid or a truss and the like, and the design fully considers the strength and stiffness characteristics of the frame.

[0023] As shown in Figure 2 , the composite frame connecting piece 3 is composed of a metal structure 3-1 and a composite material structure 3-2.

[0024] The composite frame connector 3 can be provided with a multi-layer composite material structure 3-2 at the middle part, and the two ends are rigidly connected with the metal structural frame. Alternatively, the composite material joint 3-3 can be provided at the two ends to elastically connect with the metal structural frame, thereby effectively isolating the vibration transmission between the metal structural frame layers.

Claims

1. A multi-layer composite vibration-damping frame structure, characterized in that: The system includes a metal structural frame and composite frame connectors. The metal structural frames are connected to each other through composite frames to form a multi-layered metal structural frame. The composite frame connectors are composed of a metal structure and a polymer material structure. The composite frame connectors have a multi-layered composite material structure in the middle and are rigidly connected to the metal structural frame at both ends, or have composite material joints at both ends that are elastically connected to the metal structural frame, for effectively isolating and isolating vibration transmission between the layers of the metal structural frame. The composite frame connectors are composed of circular or rectangular connecting rods to form a space frame or truss structure.

2. The multi-layer composite vibration damping frame structure according to claim 1, characterized in that: The multi-layer metal structure frame includes space frame, truss, or cage structure types.

3. The multi-layer composite vibration damping frame structure according to claim 1, characterized in that: The composite frame connector is rigidly or elastically connected to the metal structural frame at both ends.

Images