CN218263273U - A vibration damping device for subway load generation - Google Patents

Abstract

The utility model provides a vibration damping equipment for subway load produces, including the track mounting, the lower extreme of track mounting is connected with the pad that slowly shakes, the lower extreme that slowly shakes the pad is connected with the base, the side of base is provided with the runner, the lower extreme of base is connected with supports damping mechanism, the lower extreme that supports damping mechanism is connected with concrete-based layer. This a vibration damping equipment for subway load produces, through the slow vibration pad, base runner and the setting that supports damping mechanism, when the subway is out of date, the slow vibration pad carries out the buffering of first step to the gravity of subway and the impact force of traveling at a high speed, flexible post and support column gas strut carry out the impact force buffering for the second time and reduce, then extrusion balance plate is with atress evenly distributed, the damping effect of spring for carrying out the third time, the effectual subway operation reduces the vibration, damping in-process base atress can up-and-down motion, and the effect that has the runner between the concrete-based layer, frictional force has been reduced, do not influence the damping effect.

Description

A vibration damping device for subway load generation

technical field

The utility model relates to the technical field of traffic damping, in particular to a vibration damping device used for subway load generation.

Background technique

With the development of the city, after the construction of the subway track is completed, when the subway is running, a large amount of impact energy will inevitably be generated during the high-speed contact between the wheels and the track. The huge shock wave is likely to generate large vibrations and easily damage the guide rail. The traditional vibration isolation method in the prior art is slightly insufficient, and the vibration generated by the subway will still affect the surrounding environment and buildings. Therefore, a vibration damping device for the load generated by the subway is particularly needed.

However, the traditional vibration isolation method in the prior art is slightly insufficient. The vibration generated by the subway will still affect the surrounding environment and buildings. Now that the work requirements have changed, it is necessary to provide vibration reduction equipment that can reduce the vibration generated by the subway in many ways. At the same time Noise reduction processing for the sound of the subway running.

Utility model content

The purpose of this utility model is to provide a kind of vibration damping equipment used for subway load generation, to solve the slight deficiency of the traditional vibration isolation method in the prior art proposed in the above-mentioned background technology, the vibration generated by the subway will still affect the The surrounding environment and buildings are affected, and the current work requirements have changed. It is necessary to provide vibration reduction equipment that can reduce the vibration generated by the subway in many ways, and at the same time to reduce the noise during the subway running.

In order to achieve the above purpose, the utility model provides the following technical solutions: a vibration damping device for subway loads, including rail fixtures and a support damping mechanism, the support damping mechanism includes a telescopic column, a support column, a balance Plate and spring, the upper end of the track fixing part is connected with a screw, the upper end of the track fixing part is connected with a track, the lower end of the track fixing part is connected with a cushioning pad, and the lower end of the cushioning pad is connected with a base , the side of the base is provided with a runner, the lower end of the base is connected with a support and damping mechanism, the lower end of the support and damping mechanism is connected with a concrete base, and the side of the concrete base is provided with sound insulation cotton.

Preferably, the rail fixing part and the rail are connected by a slot, the rails are arranged symmetrically with respect to the rail fixing part, and the screws penetrate through the rail fixing part and the rail.

Preferably, the vibration damping pad and the base are connected by adhesion, and the vibration damping pad is closely attached to the base.

Preferably, the side of the base and the running wheel are connected by screws, and the base and the concrete base form a sliding connection.

Preferably, the supporting and damping mechanism includes a telescopic column, a supporting column, a balance plate and a spring, the bottom end of the base is connected with a telescopic column, the lower end of the telescopic column is provided with a supporting column, and the surface of the supporting column is A balance plate is arranged at the lower end, and a spring is arranged at the lower end of the support column.

Preferably, the telescopic column runs through the support column, the telescopic column and the support column form a telescopic structure, the support column and the balance plate are connected by welding, and the telescopic column and the support column are equidistantly distributed on the balance plate , the springs are evenly distributed at the bottom of the balance plate.

Preferably, the concrete base layer and the sound insulation cotton are connected by adhesion, and the sound insulation cotton is bilaterally symmetrical with respect to the concrete base layer.

Compared with the prior art, the beneficial effect of the utility model is: the vibration damping equipment used for subway load generation, through the setting of the damping pad, the base runner and the supporting vibration damping mechanism, during use, when When the subway is running out of time, the cushioning cushion cushions the gravity of the subway and the impact force of high-speed driving in the first step, and the support and damping mechanism decomposes the impact force generated by the operation of the subway, and the telescopic column and the support column gas support the impact force for the second The second cushioning and lowering, and then the extrusion of the balance plate will distribute the force evenly, and the spring will perform the third damping effect, so that it will be decomposed multiple times, which will more effectively reduce the vibration for the subway operation, thereby protecting the track from damage. Ensure that the surrounding environment and buildings will not be affected. During the vibration reduction process, the base will move up and down under the force, and there is a running wheel between it and the concrete base, which reduces friction and does not affect the vibration reduction effect.

Description of drawings

Fig. 1 is the schematic diagram of the side view appearance structure of the vibration damping equipment produced by the subway load of the utility model;

Fig. 2 is a structural schematic diagram of the supporting and damping mechanism of the utility model;

Fig. 3 is a schematic diagram of the track connection structure of the utility model;

Fig. 4 is a schematic diagram of the utility model base and concrete base structure;

In the figure: 1, track fixing piece; 2, screw; 3, track; 4, damping cushion; 5, base; 6, runner; 7, support vibration-damping mechanism; 703, balance board; 704, spring; 8, concrete base; 9, sound insulation cotton.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a vibration damping device for subway loads, including a rail fixture 1 and a support damping mechanism 7, and the support damping mechanism 7 includes a telescopic column 701 , support column 702, balance plate 703 and spring 704, the upper end of track fixing part 1 is connected with screw 2, the upper end of track fixing part 1 is connected with track 3, and the lower end of track fixing part 1 is connected with damping cushion 4, cushioning cushion The lower end of 4 is connected with base 5, and the side of base 5 is provided with runner 6, and the lower end of base 5 is connected with support damping mechanism 7, and the lower end of support damping mechanism 7 is connected with concrete base 8, and the concrete base 8 Side is provided with soundproof cotton 9.

Further, the track fixture 1 and the track 3 are connected by a slot, the track 3 is arranged symmetrically with respect to the track fixture 1, and the screw 2 penetrates the track fixture 1 and the track 3. Through the setting of the screw 2, during use, The track 3 is fixed on the track fixture 1, and the staff maintains the screw 2 on time to ensure the safety of the subway operation.

Further, there is an adhesive connection between the damping pad 4 and the base 5, and the damping pad 4 and the base 5 are closely fitted. Through the setting of the damping pad 4, during use, when the subway runs, the damping pad 4 Preliminary buffering of the gravity of the subway and the impact of high-speed driving.

Further, the side of the base 5 and the runner 6 are connected by screws, and the base 5 and the concrete base 8 form a sliding connection. Through the setting of the runner 6, the base 5 will move up and down under force during use. There are runners 6 between the concrete bases 8, which reduces the friction and does not affect the damping effect.

Further, the support and damping mechanism 7 includes a telescopic column 701, a support column 702, a balance plate 703 and a spring 704, the bottom end of the base 5 is connected with a telescopic column 701, and the lower end of the telescopic column 701 is provided with a support column 702, and the support column 702 The lower end of the surface is provided with a balance plate 703, and the lower end of the supporting column 702 is provided with a spring 704. Through the setting of the supporting and damping mechanism 7, during use, the supporting and damping mechanism 7 decomposes and damps the impact force generated by the operation of the subway. , so as to protect the track from damage and ensure that the surrounding environment and buildings will not be affected.

Further, the telescopic column 701 runs through the support column 702, the telescopic column 701 and the support column 702 form a telescopic structure, the support column 702 and the balance board 703 are connected by welding, and the telescopic column 701 and the support column 702 are equidistant on the balance board 703 distribution, the spring 704 is evenly distributed on the bottom of the balance plate 703, through the setting of the telescopic column 701, the support column gas strut 702, the balance plate 703 and the spring 704, in the process of use, firstly, the telescopic column 701 and the support column gas strut 702 will The impact force is buffered and reduced, and then the balance plate 703 is squeezed to distribute the force evenly, and the spring 704 performs the second vibration damping effect, so that it can be broken down multiple times, and the vibration can be more effectively reduced for the operation of the subway.

Further, the concrete base layer 8 and the sound insulation cotton 9 are adhesively connected, and the sound insulation cotton 9 is left and right symmetrical about the concrete base layer 8. Through the setting of the sound insulation cotton 9, during use, the friction of the support and vibration reduction mechanism 7 generates noise, and the sound insulation cotton 9 Effectively reduces the transmission of noise.

Working principle: Fix the track 3 on the track fixing part 1, and the staff will maintain the screw 2 on time to ensure the safety of the subway operation. One-step buffering, the support and damping mechanism 7 decomposes the impact force generated by the subway operation, the telescopic column 701 and the support column air strut 702 buffer and reduce the impact force for the second time, and then squeeze the balance plate 703 to make the force evenly distribution, the spring 704 is for the third vibration damping effect, so that it will be decomposed multiple times, which can more effectively reduce the vibration for the subway operation, thereby protecting the track from damage and ensuring that the surrounding environment and buildings will not be affected. The seat 5 will move up and down under the force, and there is a runner 6 between it and the concrete base 8, which reduces the friction and does not affect the vibration reduction effect. Finally, the sound insulation cotton 9 is used to effectively reduce the noise generated by friction when the support vibration reduction mechanism 7 is in operation. , thus completing the use process of a vibration damping device for subway load generation.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a vibration damping equipment for subway load produces, includes track mounting (1) and supports damping mechanism (7), support damping mechanism (7) including flexible post (701), support column (702), balance plate (703) and spring (704), its characterized in that: the utility model discloses a damping vibration device, including track mounting (1), the upper end of track mounting (1) is connected with screw (2), the upper end of track mounting (1) is connected with track (3), the lower extreme of track mounting (1) is connected with damping pad (4), the lower extreme that damping pad (4) is connected with base (5), the side of base (5) is provided with runner (6), the lower extreme of base (5) is connected with supports damping mechanism (7), the lower extreme that supports damping mechanism (7) is connected with concrete base (8), the side of concrete base (8) is provided with soundproof cotton (9).

2. A vibration damping device for the generation of subway loads according to claim 1, characterized in that said rail fixing member (1) is connected with a rail (3) by a clamping groove, said rail (3) is symmetrically arranged with respect to the rail fixing member (1), and said screw (2) penetrates through the rail fixing member (1) and the rail (3).

3. The vibration damping device for subway load generation according to claim 1, wherein said vibration damping pad (4) is in adhesive connection with said base (5), and said vibration damping pad (4) is tightly attached to said base (5).

4. A vibration damping device for the generation of subway loads according to claim 1, characterized in that said base (5) side is screwed to said runner (6), said base (5) forming a sliding connection with said concrete base (8).

5. A vibration damping apparatus for subway load generation according to claim 1, wherein said supporting and damping mechanism (7) comprises a telescopic column (701), a supporting column (702), a balancing plate (703) and a spring (704), said telescopic column (701) is connected to the bottom end of said base (5), said supporting column (702) is arranged at the lower end of said telescopic column (701), said balancing plate (703) is arranged at the lower end of the surface of said supporting column (702), and said spring (704) is arranged at the lower end of said supporting column (702).

6. A vibration damping device for the generation of subway loads according to claim 5, characterized in that said telescopic column (701) is penetrated through the supporting column (702), said telescopic column (701) and supporting column (702) constitute a telescopic structure, said supporting column (702) and balance plate (703) are welded, said telescopic column (701) and supporting column (702) are equidistantly distributed on the balance plate (703), said springs (704) are uniformly distributed on the bottom of the balance plate (703).

7. A vibration damping device for the generation of subway loads according to claim 5, characterized in that said concrete base layer (8) is in adhesive connection with soundproof cotton (9), said soundproof cotton (9) being left-right symmetrical with respect to the concrete base layer (8).

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