Magnetic type damping vibration attenuation device

Abstract

The utility model belongs to the technical field of vibration isolation, buffering and sound absorption, and particularly relates to a magnetic type damping vibration attenuation device which comprises a magnetic structure, a flexible support, a mounting plate, a metal rubber ring hoop and a damping plate. The mounting plate is rectangular and horizontally arranged, the metal rubber ring is clamped above the mounting plate, the magnetic attraction structure, the flexible support and the damping plate are all arranged below the mounting plate, the magnetic attraction structure is connected below the flexible support, the flexible support and the damping plate are both connected with the mounting plate, and the damping plate is pasted on the lower surface of the mounting plate. The installation limitation of the module to be damped and the diversification of the installation positions are fully considered, and the structure is simple and easy to achieve; the rubber body structure can be designed, and three-direction equal-rigidity design is achieved; the device is suitable for any space installation form; and meanwhile, a combined damping mechanism is introduced, so that good vibration isolation, buffering and sound absorption capacities are achieved on environment vibration, impact and noise.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of vibration isolation, buffering and sound absorption, and particularly relates to a magnetic suction type damping vibration reduction device. BACKGROUND

[0002] With the rapid development of science and technology and the wide application of information technology equipment, the electromagnetic environment of equipment is becoming increasingly complex, and the traditional single platform cannot meet the needs of scientific and technological development. Equipment presents the development trend of intelligentization, refinement, integration and modularization, and higher requirements are put forward for the working condition adaptability of equipment, especially the use environment of electromagnetic, electronic and optoelectronic equipment is becoming more and more severe, and the requirement for precision is becoming higher and higher, so new damping devices are needed to adapt to the diversified damping needs of higher level equipment.

[0003] The traditional vibration isolator has good vibration isolation and buffering effect, and usually the vibration isolator needs to be connected with the equipment and the foundation by screws, and can be applied to environments such as vertical installation, inverted installation and side installation. In actual application, the installation of the measuring equipment is limited, and the installation position needs to be adjusted at any time, so the traditional damping device cannot meet the use requirements. CONTENT OF THE INVENTION

[0004] The purpose of the application is to provide a magnetic suction type damping vibration reduction device to solve the problem that the traditional vibration isolator is limited in the installation of the measuring equipment, and the installation position needs to be adjusted at any time.

[0005] The technical scheme of the application is: a magnetic suction type damping vibration reduction device, comprising a magnetic suction structure, a flexible support, a mounting plate, a metal rubber ring clamp and a damping plate; the mounting plate is rectangular and horizontally arranged, the metal rubber ring clamp is arranged above the mounting plate, the magnetic suction structure, the flexible support and the damping plate are all arranged below the mounting plate, and the magnetic suction structure is connected below the flexible support, the flexible support and the damping plate are both connected with the mounting plate, and the damping plate is pasted on the lower surface of the mounting plate.

[0006] The flexible support comprises a lower metal mounting block, an upper metal mounting block and a rubber body; the rubber body is in a cylindrical structure, and the upper and lower ends of the rubber body are both provided with a cylindrical inner groove, one end of the upper metal mounting block and the lower metal mounting block is a hexagonal structure, and the other end is a cylindrical structure; the cylindrical structures of the upper metal mounting block and the lower metal mounting block are symmetrically connected in the two inner grooves.

[0007] Preferably, the magnetic attraction structure comprises a magnet and a supporting block, the outer end of the upper metal mounting block and the lower metal mounting block is provided with a threaded hole, the upper end of the supporting block is provided with a threaded column, the threaded column is threadedly connected with the threaded hole of the lower metal mounting block; the bottom of the magnet is provided with a magnetic attraction surface, the lower end of the supporting block is provided with a cylindrical magnetic attraction groove, the magnet is in a cylindrical structure and is fixedly connected in the magnetic attraction groove; the magnet is connected with the metal structure surface of the adjacent structure.

[0008] Preferably, the bottom sidewall of the magnet is provided with an annular mounting ring groove, and the lower end of the supporting block is integrally provided with an annular clasp ring which is clamped with the mounting ring groove.

[0009] Preferably, the mounting plate is provided with a plurality of first mounting holes and second mounting holes; the first mounting hole is threadedly connected with the upper metal mounting block through a first connecting screw; the second mounting hole is provided in pairs in the middle of the mounting plate, and each pair of second mounting holes is threadedly connected with the metal rubber ring hoop through a second connecting screw.

[0010] Preferably, the metal rubber ring hoop comprises a hoop body and mounting ears, the hoop body is in a circular arc structure with an open side, and the open side is directed to the mounting plate; the mounting ears are integrally connected to the two sides of the hoop body, and a left mounting hole and a right mounting hole are respectively provided in the two mounting ears, and the left mounting hole and the right mounting hole are threadedly connected with the damping plate through a second connecting screw, and the end of the second connecting screw is screwed with a nut.

[0011] Preferably, the flexible support is provided in four corner positions below the mounting plate.

[0012] The magnetic attraction type damping vibration reduction device provided by the application fully considers the limitation of the vibration reduction module installation and the diversification of the installation position, has a simple structure and is easy to realize, the rubber body structure can be designed to realize three-way rigidity design, is suitable for any installation form in space, and simultaneously introduces a combined damping mechanism to have good vibration isolation, buffering and sound absorption capacity for environmental vibration, impact and noise. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions provided by the application, the following will briefly introduce the drawings. Obviously, the drawings described below are only some embodiments of the application.

[0014] Figure 1 It is the overall structure of the application isometric view;

[0015] Figure 2 It is the overall structure of the application is cross-sectional view;

[0016] Figure 3 It is the flexible support cross-sectional view of the application;

[0017] Figure 4 is a sectional view of the magnetic attraction structure of the present application;

[0018] Figure 5 is an isometric view of the mounting plate of the present application;

[0019] Figure 6 is an isometric view of the metal-rubber ring clamp of the present application.

[0020] 1, magnetic attraction structure; 11, support block; 12, magnet; 13, magnetic attraction surface; 14, snap ring; 15, threaded column; 2, flexible support; 21, lower metal mounting block; 22, upper metal mounting block; 23, rubber body; 24, threaded hole; 3, mounting plate; 31, first mounting hole; 32, second mounting hole; 4, first connecting screw; 5, metal-rubber ring clamp; 51, clamp body; 52, mounting ear; 53, left mounting hole; 54, right mounting hole; 6, second connecting screw; 7, nut; 8, damping plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] A magnetic attraction type damping vibration reduction device, such as Figures 1-2 , comprises a magnetic attraction structure 1, a flexible support 2, a mounting plate 3, a metal-rubber ring clamp 5, and a damping plate 8. The mounting plate 3 is rectangular and horizontally arranged, the metal-rubber ring clamp 5 is arranged above the mounting plate 3, the magnetic attraction structure 1, the flexible support 2, and the damping plate 8 are all arranged below the mounting plate 3, the magnetic attraction structure 1 is connected below the flexible support 2, the flexible support 2 and the damping plate 8 are both connected with the mounting plate 3, and the damping plate 8 is pasted on the lower surface of the mounting plate 3.

[0023] In combination with Figure 3 , the flexible support 2 comprises a lower metal mounting block 21, an upper metal mounting block 22, and a rubber body 23. The rubber body 23 is in a cylindrical structure, has a certain rigidity and damping, and is provided with a cylindrical inner groove at both the upper and lower ends. One end of the upper metal mounting block 22 and the lower metal mounting block 21 is in a hexagonal structure, and the other end is in a cylindrical structure; the cylindrical structures of the upper metal mounting block 22 and the lower metal mounting block 21 are symmetrically connected in the two inner grooves, and then the rubber body 23 is integrated with the lower metal mounting block 21 and the upper metal mounting block 22 by vulcanization pressing.

[0024] The structure and shape of the rubber body 23 can achieve the same support stiffness and damping in all directions, realizing the space equal stiffness design. In the vibration environment, the rubber material is extruded, providing high polymer material damping, dissipating vibration energy, and realizing the first-stage vibration reduction function.

[0025] The damping plate 8 can absorb and consume vibration energy again, so that the vibration is weakened, realizing the second-stage vibration reduction; at the same time, it can also reduce the sound radiation generated by vibration, reduce mechanical noise, and improve the measurement accuracy and working accuracy of the equipment.

[0026] Preferably, the flexible support 2 has four groups and is arranged at the four corner positions below the mounting plate 3.

[0027] In combination Figure 4 Preferably, the magnetic attraction structure 1 includes a magnet 12 and a support block 11, the outer end of the upper metal mounting block 22 and the lower metal mounting block 21 is provided with a threaded hole 24, the upper end of the support block 11 is provided with a threaded column 15, the threaded column 15 is threadedly connected with the threaded hole 24 of the lower metal mounting block 21; the bottom of the magnet 12 is provided with a magnetic attraction surface 13, the lower end of the support block 11 is provided with a cylindrical magnetic attraction groove, the magnet 12 is in a cylindrical structure and is fixedly connected in the magnetic attraction groove. The magnet 12 is connected with the metal structure surface of the adjacent structure, so as to fix the whole magnetic attraction type damping vibration reduction device. The magnetic attraction surface 13 of the magnet 12 can be adsorbed on any position of the metal structure surface, realizing the space installation under the restricted condition, so that the equipment to be reduced in vibration can be stably supported in the space.

[0028] Preferably, the specific connection mode of the magnet 12 and the support block 11 is that the bottom side wall of the magnet 12 is provided with an annular mounting ring groove, the lower end of the support block 11 is integrally provided with an annular clamping ring 14, the clamping ring 14 is connected with the mounting ring groove, realizing the stable fixation between the magnet 12 and the support block 11.

[0029] In combination Figure 5 Preferably, a plurality of first mounting holes 31 and second mounting holes 32 are arranged on the mounting plate 3. The number of the first mounting holes 31 is 4 or more, and the first mounting holes 31 are threadedly connected with the upper metal mounting block 22 through the first connecting screw 4; the second mounting holes 32 are four or more, and are arranged in pairs in the middle of the mounting plate 3, and each group of second mounting holes 32 is threadedly connected with the metal rubber ring hoop 5 through the second connecting screw 6.

[0030] In combination Figure 6Preferably, the metal rubber ring clamp 5 comprises a clamp body 51 and mounting ears 52, the clamp body 51 is a circular arc structure with one side opening, and the opening position faces the mounting plate 3; the mounting ears 52 are integrally connected to the two sides of the clamp body 51, and left and right mounting holes 53 and 54 are respectively formed in the two groups of mounting ears 52, the second connecting screw 6 is threadedly connected between the left and right mounting holes 53 and 54 and the damping plate 8, and the nut 7 is screwed at the end of the second connecting screw 6. After the nut 7 is tightened, the pre-installation of the metal rubber ring clamp 5 is completed. Since the clamp body 51 is a circular arc opening structure, the equipment without installation interface can be installed on the damping device.

[0031] Two or more metal rubber ring clamps 5 can be arranged on the mounting plate 3.

[0032] The equipment to be damped is placed in the metal rubber ring clamp 5 which has completed the pre-installation, and the nut 77 is tightened, so that the surface of the equipment to be damped is tightly attached to the inner surface of the metal rubber ring clamp 5.

[0033] In summary, the structure of the present application is simple, and the functional modules are clear. The magnetic attraction module is adopted to realize the spatial installation under the condition of external field restriction. Since the installation clamp structure can be independently designed, various equipment without installation interface can be installed on the damping device. The damping device adopts the combined structure of rubber material damping and damping plate, which can effectively suppress the peak load of resonance and reduce the sound radiation caused by vibration. The functional modules can be independently designed and used to realize the design requirements of high and low frequencies. The overall structure is suitable for equipment without installation interface and installation conditions, but has the requirements of vibration isolation and buffering. By using the damping device, the spatial structure damping installation can be realized, the influence of environmental conditions such as vibration, impact and noise can be effectively reduced, the use safety and reliability of the equipment can be improved, the service life of the equipment can be prolonged, and the measurement accuracy and working accuracy of the equipment can be improved. The damping device is suitable for the vibration isolation and buffering field of electromagnetic, electronic and precision instrument equipment which has high requirements for frequency stability and high requirements for vibration isolation, buffering and sound absorption performance.

[0034] Finally, it should be noted that: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0035] Finally: the above only for preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A magnetic damping vibration reduction device, characterized in that: It includes a magnetic suction structure (1), a flexible support (2), a mounting plate (3), a metal rubber ring clamp (5), and a damping plate (8); the mounting plate (3) is rectangular and horizontally arranged, the metal rubber ring clamp (5) is located above the mounting plate (3), the magnetic suction structure (1), the flexible support (2), and the damping plate (8) are all located below the mounting plate (3), and the magnetic suction structure (1) is connected to the lower part of the flexible support (2), the flexible support (2) and the damping plate (8) are both connected to the mounting plate (3), and the damping plate (8) is pasted on the lower surface of the mounting plate (3); The flexible support (2) includes a lower metal mounting block (21), an upper metal mounting block (22), and a rubber body (23); the rubber body (23) is a cylindrical structure, and cylindrical inner grooves are provided at both the upper and lower ends of the rubber body (23). One end of the upper metal mounting block (22) and the lower metal mounting block (21) is a hexagonal structure, and the other end is a cylindrical structure; the cylindrical structures of the upper metal mounting block (22) and the lower metal mounting block (21) are symmetrically connected in the two inner grooves.

2. The magnetic damping vibration reduction device as described in claim 1, characterized in that: The magnetic structure (1) includes a magnet (12) and a support block (11). The outer ends of the upper metal mounting block (22) and the lower metal mounting block (21) are provided with threaded holes (24). The upper end of the support block (11) is provided with a threaded post (15), which is threadedly engaged with the threaded hole (24) of the lower metal mounting block (21). The bottom of the magnet (12) is provided with a magnetic surface (13). The lower end of the support block (11) is provided with a cylindrical magnetic groove. The magnet (12) is a cylindrical structure and is fixedly connected in the magnetic groove. The magnet (12) is in contact with the metal structure surface of the adjacent structural component.

3. The magnetic damping vibration reduction device as described in claim 2, characterized in that: The magnet (12) has an annular mounting groove on its bottom sidewall, and the support block (11) has an annular retaining ring (14) integrally provided at its lower end, which engages with the mounting groove.

4. The magnetic damping vibration reduction device as described in claim 1, characterized in that: The mounting plate (3) is provided with a plurality of first mounting holes (31) and second mounting holes (32); the first mounting holes (31) are threadedly connected to the upper metal mounting block (22) with a first connecting screw (4); there are four or more second mounting holes (32), which are arranged in pairs in the middle of the mounting plate (3), and each pair of second mounting holes (32) is threadedly connected to the metal rubber ring clamp (5) with a second connecting screw (6).

5. The magnetic damping vibration reduction device as described in claim 1, characterized in that: The metal rubber ring clamp (5) includes a clamp body (51) and mounting ears (52). The clamp body (51) is an arc structure with an opening on one side, and the opening faces the mounting plate (3). There are two sets of mounting ears (52) which are integrally connected to both sides of the clamp body (51). The two sets of mounting ears (52) are respectively provided with a left mounting hole (53) and a right mounting hole (54). The left mounting hole (53) and the right mounting hole (54) are threadedly connected to the damping plate (8) with a second connecting screw (6). The end of the second connecting screw (6) is tightened with a nut (7).

6. The magnetic damping vibration reduction device as described in claim 1, characterized in that: The flexible support (2) consists of four sets, which are respectively located at the four corners below the mounting plate (3).

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