Composite vibration isolation device

Abstract

The utility model discloses a combined type vibration isolation device, which relates to the field of noise abatement and comprises a T-shaped damping mechanism and two groups of longitudinal damping mechanisms which are symmetrically distributed along the center of the T-shaped damping mechanism. The T-shaped damping mechanism comprises a transversely-arranged first steel channel, a stand column is installed at the lower end of the center of the first steel channel, and a vibration source is placed at the upper end of the center of the first steel channel. The longitudinal damping mechanism comprises second channel steel installed at the lower end of the first channel steel, a solid rubber square block is arranged at the lower end of the second channel steel and arranged in a rectangular pipe, the bottom end of the rectangular pipe is sealed, and a gas chamber is formed between the lower end of the rubber square block and the bottom end of the rectangular pipe. The vibration damping device is simple in structure and low in investment cost, vibration in the vertical direction and the horizontal direction is restrained from being transmitted to the gallery structure through simultaneous use of the T-shaped vibration damping mechanism and the longitudinal vibration damping mechanism, vibration equipment is borne, the vibration frequency of a vibration source is weakened, and vibration noise is reduced.

Description

Technical Field

[0001] The utility model relates to the field of noise control, in particular to a composite vibration isolation device. Background Art

[0002] With economic development and increasing environmental protection requirements, civilized production has become a crucial component of corporate environmental protection. Noise, as a form of pollution, not only seriously impacts the physical and mental health of factory workers but also disrupts the surrounding natural and cultural environment. Against the backdrop of China's vigorous environmental protection campaign, noise control equipment is becoming increasingly important in response to this national call.

[0003] Belt conveyors are widely used in material transportation as large-flow conveying equipment. During high-speed rotation, the roller rubs against the belt, generating mechanical and vibration noise, which is transmitted to the corridor through the belt conveyor legs and affects the surrounding sound environment. If the belt conveyor and the corridor surface are closed, the investment cost will be high, and the safety of the original corridor structure will be affected due to the large additional load. Therefore, this noise reduction method has not been adopted, and there is an urgent need to provide a composite vibration isolation device to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A composite vibration isolation device comprises a T-shaped vibration damping mechanism and two sets of longitudinal vibration damping mechanisms symmetrically distributed along the center of the T-shaped vibration damping mechanism;

[0006] The T-shaped shock absorbing mechanism includes a transversely arranged channel steel 1, a column is installed at the central lower end of the channel steel 1, and a vibration source is placed at the central upper end of the channel steel 1;

[0007] The longitudinal shock absorbing mechanism includes a second channel steel installed at the lower end of the channel steel, and a solid rubber block is provided at the lower end of the second channel steel. The rubber block is placed in a rectangular tube, the bottom end of the rectangular tube is sealed, and a gas chamber is formed between the lower end of the rubber block and the bottom end of the rectangular tube.

[0008] Preferably, the upright column is a solid rubber block.

[0009] Preferably, four structurally symmetrical mounting lugs 1 are installed at the lower end of the second channel steel, and are screwed to the surface of the rubber block via the mounting lugs 1.

[0010] Preferably, a second mounting lug is provided at the lower end of the rectangular tube.

[0011] Preferably, sound-absorbing cotton is provided in the rectangular tube.

[0012] Beneficial effects of the utility model:

[0013] The utility model has a simple structure, strong practicality, easy installation and low investment cost. By setting a T-shaped shock-absorbing mechanism and a longitudinal shock-absorbing mechanism and using them simultaneously, the transmission of vertical and horizontal vibrations to the corridor structure is suppressed, the vibration equipment is carried and the vibration frequency of the vibration source is weakened, thereby reducing vibration noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 for Figure 1 Schematic diagram of the structure without rectangular tube installed.

[0016] Figure 3 Schematic diagram of the interior of a rectangular tube.

[0017] Figure 4 Schematic diagram of the gas chamber in the rectangular tube.

[0018] Among them, 0-vibration source, 1-T-shaped shock absorption mechanism, 2-longitudinal shock absorption mechanism, 3-channel steel 1, 4-column, 5-channel steel 2, 6-rubber block, 7-rectangular tube, 8-gas chamber, 9-mounting lug 1, 10-mounting lug 2, 11-sound-absorbing cotton. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figures 1 to 4 As shown, a composite vibration isolation device includes a T-shaped shock absorbing mechanism 1 and two sets of longitudinal shock absorbing mechanisms 2 symmetrically distributed along the center of the T-shaped shock absorbing mechanism 1;

[0021] The T-shaped shock absorbing mechanism 1 includes a transversely arranged channel steel 3, a column 4 is installed at the center lower end of the channel steel 3, and a vibration source 0 is placed at the center upper end of the channel steel 3;

[0022] The longitudinal shock absorbing mechanism 2 includes a channel steel 2 5 installed at the lower end of the channel steel 1 3. A solid rubber block 6 is provided at the lower end of the channel steel 2 5. The rubber block 6 is placed in a rectangular tube 7. The bottom end of the rectangular tube 7 is sealed and a gas chamber 8 is formed between the lower end of the rubber block 6 and the bottom end of the rectangular tube 7.

[0023] In this embodiment, the pillar 4 is a solid rubber block.

[0024] In this embodiment, four symmetrical mounting lugs 9 are installed at the lower end of the channel steel 2 5 , and are screwed to the surface of the rubber block 6 through the mounting lugs 9 .

[0025] In this embodiment, a second mounting lug 10 is provided at the lower end of the rectangular tube 7. Sound-absorbing cotton 11 is provided inside the rectangular tube 7.

[0026] Working process and principle:

[0027] Place the device up and down against the belt conveyor bracket and the corridor plane. The belt conveyor bracket is represented by vibration source 0. Connect the device to the corridor plane through the mounting lugs and 10 screws. After installation:

[0028] The vibration source 0 is placed directly above the channel steel 3. When vibrating, the vibration of the vibration source 0 is transmitted to the column 4, which is a solid rubber block, through the channel steel 3 of the T-shaped shock absorbing mechanism 1. The good vibration reduction ability of the solid rubber block is utilized to reduce the vibration transmission to the main structure of the corridor.

[0029] A longitudinal shock absorbing mechanism 2 is provided, and the channel steel 2 5 is connected to the surface of the rubber block 6 by installing the lug 1 9 screws. The vibration of the vibration source 0 is transmitted to the channel steel 2 5 and the rubber block 6 through the channel steel 1 3, and can be longitudinally weakened. Then, the gas chamber 8 is provided, and the pressure difference of the compressed air chamber is utilized to weaken the vibration transmitted by the channel steel 1 3 and isolate the vibration so that it cannot be transmitted to the main structure of the corridor.

[0030] The utility model has a simple structure and strong practicality. By setting up a T-shaped shock absorbing mechanism 1 and a longitudinal shock absorbing mechanism 2 for simultaneous use, the transmission of vertical and horizontal vibrations to the corridor structure is suppressed, the vibration equipment is carried, the vibration frequency of the vibration source 0 is weakened, and the vibration noise is reduced.

[0031] It is understood from common technical knowledge that the present invention may be implemented through other embodiments that do not depart from its spirit or essential features. Therefore, the embodiments disclosed above are, in all respects, merely illustrative and not exclusive. All modifications within the scope of the present invention or equivalent to the scope of the present invention are intended to be encompassed by the present invention.

Claims

1. A composite vibration isolation device, characterized in that: It comprises a T-shaped shock absorbing mechanism (1) and two groups of longitudinal shock absorbing mechanisms (2) symmetrically distributed along the center of the T-shaped shock absorbing mechanism (1); The T-shaped shock absorbing mechanism (1) comprises a transversely arranged channel steel (3), a column (4) is installed at the central lower end of the channel steel (3), and a vibration source (0) is placed at the central upper end of the channel steel (3); The longitudinal shock absorbing mechanism (2) comprises a second channel steel (5) mounted on the lower end of a first channel steel (3); a solid rubber block (6) is provided at the lower end of the second channel steel (5); the rubber block (6) is placed in a rectangular tube (7); the bottom end of the rectangular tube (7) is sealed and a gas chamber (8) is formed between the lower end of the rubber block (6) and the bottom end of the rectangular tube (7).

2. A composite vibration isolation device according to claim 1, characterized in that: The upright column (4) is a solid rubber block.

3. A composite vibration isolation device according to claim 1, characterized in that: The lower end of the channel steel 2 (5) is provided with four symmetrically structured mounting lugs 1 (9), and the mounting lugs 1 (9) are screwed to the surface of the rubber block (6).

4. A composite vibration isolation device according to claim 1, characterized in that: The lower end of the rectangular tube (7) is provided with a second mounting lug (10).

5. A composite vibration isolation device according to claim 1, characterized in that: Sound-absorbing cotton (11) is arranged inside the rectangular tube (7).

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