CN218711835U

CN218711835U - Vibration isolation structure capable of reducing influence of subway vibration on building

Info

Publication number: CN218711835U
Application number: CN202222974286.6U
Authority: CN
Inventors: 张文跃; 薛士勇
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a can reduce vibration isolation structure of subway vibration to building influence relates to track vibration isolation technical field, the on-line screen storage device comprises a base, surface mounting has the subassembly of making an uproar that falls on the base, and falls the subassembly outer wall both sides of making an uproar and install the fixing base, fixing bolt is worn to be equipped with on the fixing base upper surface, and installs the pressure spring bottom the fixing base, the subassembly of making an uproar that falls upper surface mounting has the vibration isolation subassembly, and installs the track on vibration isolation subassembly top, through mutually supporting of sound absorption hole, acoustic celotex board and shock pad, adsorb the noise in the acoustic celotex board inner wall when the subway traveles through the sound absorption hole, utilize the acoustic celotex board to eliminate the noise, can alleviate vibration frequency through the shock pad, solved when the subway traveles at a high speed vibration can propagate through ground, the great problem of noise.

Description

Vibration isolation structure capable of reducing influence of subway vibration on building

Technical Field

The utility model relates to a track vibration isolation technical field especially relates to a can reduce vibration isolation structure of subway vibration to building influence.

Background

In rail transit engineering, subway trains run, and due to train vibration and noise, the subway trains can be transmitted to surrounding buildings including houses, schools, hospitals, precision instrument factories and the like along with soil layers and the like, and can have adverse effects on residents, precision instruments and the like. The vibration of the subway is too large in each city, which leads to complaints of residents and countermeasures of precise instrument factories.

The existing vibration isolation structure capable of reducing the influence of subway vibration on a building has poor vibration resistance, the two sides of the rail are easy to vibrate when the rail is pressed, the vibration can be transmitted through the ground when the subway runs at a high speed, and the noise is high, so that the best use effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can reduce vibration isolation structure of subway vibration to building influence, it is relatively poor to have solved the vibration resistance, and both sides produce the vibration easily when the track pressurized, and the vibration can be propagated through ground when the subway is gone at a high speed, and the noise is great to can't reach best result of use's technical problem.

In order to solve the technical problem, the utility model provides a pair of can reduce vibration isolation structure of subway vibration to building influence, the on-line screen storage device comprises a base, surface mounting has the subassembly of making an uproar that falls on the base, and falls the subassembly outer wall both sides of making an uproar and install the fixing base, fixing bolt is worn to be equipped with on the fixing base upper surface, and the fixing base bottom installs the pressure spring, the subassembly upper surface mounting that makes an uproar falls has the vibration isolation subassembly, and the track is installed on the vibration isolation subassembly top.

Preferably, the noise reduction assembly comprises a sound absorption hole, the sound absorption hole is formed in the upper surface of the noise reduction assembly, the sound insulation board is mounted at the bottom end of the noise reduction assembly, and a shock absorption pad is attached to the bottom end of the sound insulation board.

Preferably, the sound insulation board is a polyester fiber sound insulation board member.

Preferably, the shock pad is a rubber pad member.

Preferably, the fixing base is penetrated to establish in the fixing bolt bottom and is linked to each other with the pressure spring, and fixing bolt and fixing base are penetrated to establish the junction and are seted up the screw thread.

Preferably, the bottom end of the pressure spring is in through connection with the base, and a damper is arranged on the inner wall of the pressure spring.

Preferably, the vibration isolation assembly comprises a balance seat, the upper surface of the vibration isolation assembly is attached to the balance seat, locking bolts penetrate through two sides of the outer wall of the balance seat, and positioning blocks are fixedly connected to two sides of the outer wall of the vibration isolation assembly.

Compared with the prior art, the utility model provides a pair of can reduce vibration isolation structure of subway vibration to building influence has following beneficial effect:

the utility model provides a pair of can reduce vibration isolation structure of subway vibration to building influence, through mutually supporting of sound-absorbing hole, acoustic celotex board and shock pad, adsorb the noise in the acoustic celotex board inner wall when the subway traveles through the sound-absorbing hole, utilize the acoustic celotex board to eliminate the noise, can alleviate vibration frequency through the shock pad, solved when the subway traveles at a high speed vibration can propagate through ground, the great problem of noise.

The utility model provides a pair of can reduce vibration isolation structure of subway vibration to building influence, through mutually supporting of balanced seat, locking bolt and locating piece, support the track bottom through balanced seat, utilize the locking bolt to be connected balanced seat and noise reduction assembly, support the track both sides through the locating piece, prevent to rock, it is relatively poor to have solved the vibration resistance, the problem of both sides easy production vibration when the track is stressed.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of the noise reduction assembly of the present invention;

FIG. 3 is an enlarged view of the fixing bolt of the present invention;

fig. 4 is a schematic structural view of the vibration isolation assembly of the present invention.

In the figure: 1. a base; 2. a noise reduction assembly; 21. a sound absorbing aperture; 22. a sound insulating panel; 23. a shock pad; 3. a fixed seat; 4. fixing the bolt; 5. a pressure spring; 6. a vibration isolation assembly; 61. a balance seat; 62. locking the bolt; 63. positioning blocks; 7. a track.

Detailed Description

Embodiment one, given by fig. 1-4, the utility model discloses a base 1, be connected with ground through base 1, support the bearing, 1 upper surface of base installs noise reduction assembly 2, and noise reduction assembly 2 outer wall both sides install fixing base 3, fixing base 3 upper surface is worn to be equipped with fixing bolt 4, wear to establish fixing base 3 through fixing bolt 4 and carry out fixed pressure spring 5, and fixing base 3 bottom installs pressure spring 5, utilize pressure spring 5 can play the buffering decompression effect when the subway traveles, 2 upper surface of noise reduction assembly has vibration isolation subassembly 6, and vibration isolation subassembly 6 top installs track 7, fixing bolt 4 bottom is worn to establish fixing base 3 and is linked to each other with pressure spring 5, and fixing bolt 4 wears to establish the junction with fixing base 3 and has seted up the screw, can prevent the gyration, it is fixed more firm, pressure spring 5 bottom and base 1 through connection, and pressure spring 5 inner wall is provided with the attenuator, the compressive resistance is strong, reduce the maintenance cost.

Noise reduction unit 2 includes sound absorption hole 21, sound absorption hole 21 has been seted up to noise reduction unit 2 upper surface, and noise reduction unit 2 bottom is installed acoustic celotex board 22, acoustic celotex board 22 bottom laminating has the shock pad 23, adsorb the noise in acoustic celotex board 22 inner wall when the subway traveles through sound absorption hole 21, utilize acoustic celotex board 22 to eliminate the noise, vibration frequency can be alleviated through shock pad 23, acoustic celotex board 22 specifically adopts the polyester fiber acoustic celotex board component, can prevent to wet, prolonged service life, the shock pad 23 specifically adopts the rubber pad component, wear resistance is strong, and durability.

Vibration isolation component 6 includes balanced seat 61, and the laminating of 6 upper surfaces of vibration isolation component has balanced seat 61, and wears to be equipped with locking bolt 62 in balanced seat 61 outer wall both sides, and 6 outer wall both sides fixedly connected with locating piece 63 of vibration isolation component support 7 bottoms of track through balanced seat 61, utilizes locking bolt 62 to be connected balanced seat 61 with the subassembly 2 of making an uproar that falls, supports 7 both sides of track through locating piece 63, prevents to rock.

The working principle is as follows: during the use, be connected with ground through base 1, support the bearing, adsorb the noise in acoustic celotex board 22 inner wall when the subway traveles through sound-absorbing hole 21, utilize acoustic celotex board 22 to eliminate the noise, vibration frequency can be alleviated through shock pad 23, wear to establish fixing base 3 through fixing bolt 4 and fix pressure spring 5, support 7 bottoms on track through balanced seat 61, utilize locking bolt 62 to be connected balanced seat 61 with noise reduction assembly 2, support 7 both sides on track through locating piece 63, prevent to rock, utilize pressure spring 5 can play buffering decompression effect when the subway traveles.

It should be noted that the sound insulation board 22, the shock absorbing pad 23, the pressure spring 5, the balance seat 61 and the rail 7 are devices or apparatuses existing in the prior art or devices or apparatuses realizable in the prior art, and the composition and the principle thereof will be clear to those skilled in the art, and therefore, detailed description thereof is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can reduce vibration isolation structure of subway vibration to building influence, includes base (1), its characterized in that: base (1) upper surface mounting has noise reduction assembly (2), and noise reduction assembly (2) outer wall both sides install fixing base (3), fixing base (3) upper surface is worn to be equipped with fixing bolt (4), and installs pressure spring (5) in fixing base (3) bottom, noise reduction assembly (2) upper surface mounting has vibration isolation subassembly (6), and vibration isolation subassembly (6) top installs track (7).

2. The vibration isolation structure capable of reducing the influence of subway vibration on a building according to claim 1, wherein said noise reduction assembly (2) comprises a sound absorption hole (21), said noise reduction assembly (2) has a sound absorption hole (21) on the upper surface, and a sound insulation board (22) is installed at the bottom end of the noise reduction assembly (2), and a shock pad (23) is attached to the bottom end of said sound insulation board (22).

3. The vibration isolation structure for reducing the influence of subway vibration on a building as claimed in claim 2, wherein said baffle plate (22) is made of polyester fiber baffle plate member.

4. The vibration isolation structure capable of reducing the influence of subway vibration on a building as claimed in claim 2, wherein said shock absorbing pad (23) is a rubber pad member.

5. The vibration isolation structure capable of reducing the influence of subway vibration on a building according to claim 1, wherein the bottom end of the fixing bolt (4) is inserted into the fixing seat (3) and connected with the pressure spring (5), and a threaded wire is arranged at the penetrating connection position of the fixing bolt (4) and the fixing seat (3).

6. The vibration isolation structure capable of reducing the influence of subway vibration on a building according to claim 1, wherein the bottom end of said compression spring (5) is connected with the base (1) in a penetrating way, and the inner wall of the compression spring (5) is provided with a damper.

7. The vibration isolation structure capable of reducing the influence of subway vibration on a building according to claim 1, wherein said vibration isolation assembly (6) comprises a balance seat (61), said balance seat (61) is attached to the upper surface of said vibration isolation assembly (6), locking bolts (62) are inserted into two sides of the outer wall of said balance seat (61), and positioning blocks (63) are fixedly connected to two sides of the outer wall of said vibration isolation assembly (6).