CN211776197U

CN211776197U - Vibration and noise reduction structure of underground pump room

Info

Publication number: CN211776197U
Application number: CN202020164608.9U
Authority: CN
Inventors: 柴昊; 马岩吉
Original assignee: Tianjin Jiayin Environmental Protection Technology Co ltd
Current assignee: Tianjin Jiayin Environmental Protection Technology Co ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-10-27
Anticipated expiration: 2030-02-12

Abstract

The utility model relates to the technical field of vibration and noise reduction of pump rooms, and discloses a vibration and noise reduction structure of an underground pump room, which comprises a base for installing a pump body and a first damping mechanism for supporting the base, wherein the base is suspended on the ground by the first damping mechanism; the vibration-damping noise-reducing structure is suitable for underground pump rooms, can weaken or reduce vibration generated by operation of pump bodies and the like, and achieves the effects of vibration damping and noise reduction.

Description

Vibration and noise reduction structure of underground pump room

Technical Field

The utility model relates to a technical field of making an uproar falls in pump house damping, concretely relates to structure of making an uproar falls in damping of underground pump house.

Background

With the development of cities, a plurality of commercial residences and civil residences are built, pump rooms are built in the buildings for supplying water and the like, and the pump rooms are built underground for saving land. Most underground pump rooms have the defect of large noise when being built, for example, obvious low-frequency sound can be heard in a living room of a first-floor resident, and the noise value in the living room is 55dB (A) and exceeds the national standard requirement. The vibration generated by the unit during operation is the largest cause of noise generated by the underground pump house, and the steady state forced vibration which is continuous for a long time has great influence on the human bodies of nearby households, instruments and equipment which are placed in the pump house and used for controlling the operation of the pump station and workers for operating and monitoring the instruments and the equipment.

At present, vibration reduction and noise reduction of a pump room are basically controlled from a vibration source, vibration caused by mechanical and electrical reasons can be reduced by improving the production and installation level of a unit, measures such as changing the number and the shape of blades, changing the structural design of a flow passage and a flow guide cone, supplementing air and the like can be taken, and the structural size of an underground pump room can be changed to change the self-vibration characteristic of the structure or improve the structural rigidity to reduce the reaction amplitude. The measures are beneficial to weakening plant vibration induced by the unit, but the reduction amplitude is limited, some measures are difficult to implement, the measures are mainly adopted during the construction of a pump room, and the measures have poor vibration reduction and noise reduction effects on inevitable vibration generated in the operation of the unit.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a structure of making an uproar falls in damping of underground pump room, this structure of making an uproar falls in damping is applicable to underground pump room, can weaken or subdue the operation such as the pump body and produce the vibration, reaches the effect of making an uproar falls in the damping.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a vibration damping and noise reduction structure of underground pump room, is equipped with a plurality of pump bodies in the underground pump room and the pipeline of being connected with the pump body, vibration damping and noise reduction structure is including the base that is used for installing the pump body and being used for supporting the first damper of base, first damper will the base suspends in midair in subaerial.

The utility model discloses in, it is preferred, first damper is provided with two sets ofly at least, and is two sets of first damper locates the relative both sides of base.

The present invention provides a damping device for a vehicle, comprising a base, a plurality of first damping mechanisms, a plurality of second damping mechanisms, and a plurality of damping members.

The utility model discloses in, preferably, each first damper assembly include with fixed plate fixed connection upper plate, with upper plate fixed connection's slide cartridge, install in subaerial hypoplastron and with hypoplastron fixed connection's sleeve, slide cartridge slide peg graft in the sleeve, just the upper plate with the hypoplastron is equipped with first spring.

The utility model discloses in, it is preferred, it is right still to fall the structure of making an uproar including being used for the pipeline plays the second damper who falls the vibration damping and make an uproar.

The utility model discloses in, preferably, second damper is including being used for supporting the support frame of pipeline and with a plurality of groups second damper fixed connection's of support frame.

In the present invention, preferably, each of the second damping assemblies includes an upper horizontal plate fixedly connected to the supporting frame, a lower horizontal plate disposed under the upper horizontal plate, and vertical plates fixed to both sides of the lower horizontal plate, and the vertical plates are disposed under the upper horizontal plate and are not connected to the upper horizontal plate; the upper transverse plate is provided with a vertical rod on one side of the lower transverse plate, and the vertical rod is sleeved with a second spring which is fixedly connected with the lower transverse plate.

The utility model discloses in, it is preferred, the vibration/noise reduction structure still includes the formula of hanging damper of supplementary fixed pipeline, it includes L type mount to hang formula damper, the pipeline overlap joint in L type mount, and the L type mount other end is fixed in on the wall top.

The utility model discloses in, it is preferred, still be equipped with third damper between L type mount and wall crown.

The utility model discloses in, it is preferred, third damper assembly include the first inserted bar be connected with L type mount, with wall crown fixed connection's second inserted bar and locate the frame that hangs between first inserted bar and second inserted bar, first inserted bar alternate in hang in the frame, just first inserted bar is located one end is equipped with the baffle in hanging the frame, the baffle with it holds to be equipped with the third spring to hang to support between the frame.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a structure of making an uproar falls in damping is applicable to the underground pump room, can weaken or subdue operation such as the pump body and produce the vibration, reduces to ground and one deck resident family influence, reaches the effect of making an uproar falls in the damping.

After the vibration-reducing and noise-reducing structure is adopted to reform an underground pump room, the allowable noise level in a bedroom and a living room (a) of a house with high requirements in the civil building sound insulation design specification GB50118-2010 can be met under the condition of eliminating the interference of other unprocessed noise sources, namely the allowable noise level in the bedroom is not more than 40dB (A) in daytime, the allowable noise level in the nighttime is not more than 30dB (A), the allowable noise level in the living room (the living room) is not more than 40dB (A), and no obvious noise source characteristic exists.

Drawings

Fig. 1 is a schematic structural diagram of a vibration and noise reduction structure of an underground pump room in the present embodiment.

Fig. 2 is a schematic structural diagram I of a vibration and noise reduction structure of an underground pump room for six pump bodies in this embodiment.

Fig. 3 is a schematic partial structural diagram II of a vibration and noise reduction structure of an underground pump room for six pump bodies in this embodiment.

Fig. 4 is a schematic structural diagram of a vibration and noise reduction structure of an underground pump room applied to a pump body in the embodiment.

Fig. 5 is a schematic structural view of a second damping mechanism in the vibration and noise reduction structure of the underground pump room in the present embodiment.

Fig. 6 is a partial structural view of fig. 5.

Fig. 7 is a schematic structural view of a suspension type damping mechanism in a vibration and noise reduction structure of an underground pump room in the present embodiment.

Fig. 8 is an enlarged view of fig. 7 at a.

In the drawings: 10-base, 20-first damping mechanism, 21-fixed plate, 22-first damping component, 221-upper plate, 222-sliding cylinder, 223-lower plate, 224-sleeve and 225-first spring;

30-a second damping mechanism, 31-a support frame, 32-a second damping component, 321-an upper transverse plate, 322-a lower transverse plate, 323-a vertical plate, 324-a vertical rod and 325-a second spring;

40-hanging type damping mechanisms, 41-L-shaped fixing frames, 42-third damping components, 421-first inserted rods, 422-second inserted rods, 423-hanging frames, 424-baffles and 425-third springs;

50-underground pump room, 51-pump body and 52-pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 8, a preferred embodiment of the present invention provides a vibration and noise reduction structure for an underground pump house, wherein a plurality of pump bodies 51 and pipelines 52 connected to the pump bodies 51 are disposed in an underground pump house 50, the existing pump bodies 51 are usually mounted on a concrete base, the concrete base is fixedly connected to the ground, when the pump bodies 51 operate, large vibration is generated, noise is large, and the influence on the ground and a layer of residents is very obvious; the pipeline 52 is fixed on the ground through a pipeline support, and part of the pipeline is hung on the top surface of the wall of the underground pump room through the pipeline support, the existing pipeline supports are all rigidly connected, and vibration is transmitted to the upper floor along the wall and the floor slab, so that great influence is caused on the pipeline support.

In this embodiment, the vibration/noise reduction structure includes a base 10 for mounting the pump body 51 and a first damping mechanism 20 for supporting the base 10, and the first damping mechanism 20 suspends the base 10 on the ground, so that the vibration or noise generated during the operation of the pump body 51 is attenuated and reduced by the first damping mechanism 20.

In the present embodiment, two sets of the first damper mechanisms 20 are provided, and the two sets of the first damper mechanisms 20 are provided on opposite sides of the base 10, so that the stability of the base 10 can be maintained.

The first damper mechanism 20 includes a fixed plate 21 fixedly connected to the base 10 and a plurality of sets of first damper assemblies 22 for supporting the fixed plate 21, and in the present embodiment, four first damper assemblies 22 are provided on both sides of the base 10 on which one pump body 51 is mounted; six first damper assemblies 22 are provided to both sides of the base 10 to which the six pump bodies 51 are mounted.

Each first damping assembly 22 comprises an upper plate 221 fixedly connected with the fixed plate 21, a sliding cylinder 222 fixedly connected with the upper plate 221, a lower plate 223 mounted on the ground, and a sleeve 224 fixedly connected with the lower plate 223, wherein the sliding cylinder 222 is inserted in the sleeve 224 in a sliding manner, the upper plate 221 and the lower plate 223 are provided with first springs 225, and the types of the first springs 225 are calculated according to the mass of the water pump and the mass of the base 10; the vibration generated by the operation of the pump body 51 slides the slide cylinder 222 toward the sleeve 224, and is damped by the first spring 225, thereby reducing or eliminating the influence thereof.

In the present embodiment, the vibration damping and noise reducing structure further includes a second vibration damping mechanism 30 for damping and noise reducing the vibration and noise of the pipe 52; the second damping mechanism 30 includes a support frame 31 for supporting the pipe 52 and a plurality of sets of second damping members 32 fixedly connected to the support frame 31.

Each second damping assembly 32 comprises an upper transverse plate 321 fixedly connected with the support frame 31, a lower transverse plate 322 arranged right below the upper transverse plate 321, and vertical plates 323 fixed on two sides of the lower transverse plate 322, wherein the vertical plates 323 are arranged right below the upper transverse plate 321 and are not connected with the upper transverse plate 321; the upper transverse plate 321 is provided with a vertical rod 324 on one side facing the lower transverse plate 322, the vertical rod 324 is sleeved with a second spring 325, and the second spring 325 is fixedly connected with the lower transverse plate 322. When the pump body 51 vibrates to drive the pipeline 52 to vibrate, the upper transverse plate 321 presses against the vertical plate 323, the vertical plate 323 supports the pipeline, and the second spring 325 is compressed and abuts against the upper transverse plate 321 under the action of the elastic force of the second spring, so that the vibration of the pipeline 52 is weakened or reduced.

In this embodiment, the vibration damping and noise reducing structure further includes a hanging type vibration damping mechanism 40 for assisting in fixing the pipeline 52, the hanging type vibration damping mechanism 40 includes an L-shaped fixing frame 41, the pipeline 52 is lapped on the L-shaped fixing frame 41, and the other end of the L-shaped fixing frame 41 is fixed on the wall top.

Further, a third damping assembly 42 is arranged between the L-shaped fixing frame 41 and the wall top; the third damping assembly 42 comprises a first insertion rod 421 connected with the L-shaped fixing frame 41, a second insertion rod 422 fixedly connected with the top of the wall, and a hanging frame 423 arranged between the first insertion rod 421 and the second insertion rod 422, the first insertion rod 421 is inserted into the hanging frame 423, a baffle 424 is arranged at one end of the first insertion rod 421 arranged in the hanging frame 423, and a third spring 425 is arranged between the baffle 424 and the hanging frame 423 in a supporting manner; similarly, when the pipe 52 is driven to vibrate by the vibration generated by the operation of the pump body 51, the L-shaped fixing frame 41 follows the pair, and the first plunger 421 drives the baffle 424 to press the third spring 425, so as to weaken or reduce the vibration of the pipe 52 under the action of the elastic force thereof.

The working principle is as follows:

after the underground pump house is transformed by adopting the vibration-damping and noise-reducing structure, the sliding cylinder 222 slides towards the sleeve 224 by the vibration generated by the operation of the pump body 51 in the underground pump house, and is buffered under the action of the first spring 225, so that the influence of the sliding cylinder is weakened or reduced; meanwhile, when the pump body 51 vibrates to drive the pipeline 52 to vibrate, the upper transverse plate 321 presses against the vertical plate 323, the vertical plate 323 supports the pipeline, and the second spring 325 is compressed and abuts against the upper transverse plate 321 under the action of the elastic force of the second spring, so that the vibration of the pipeline 52 is weakened or reduced;

similarly, when the pipe 52 is driven to vibrate by the vibration generated by the operation of the pump body 51, the L-shaped fixing frame 41 follows the pair, and the first plunger 421 drives the baffle 424 to press the third spring 425, so as to weaken or reduce the vibration of the pipe 52 under the action of the elastic force thereof.

Therefore, the underground pump house adopting the vibration and noise reduction structure can meet the allowable noise level in the bedroom and the living room (hall) of the house with high requirements in the civil building sound insulation design specification GB50118-2010 under the condition of eliminating the interference of other unprocessed noise sources, namely the bedroom daytime is not more than 40dB (A), the nighttime is not more than 30dB (A), the living room (hall) is not more than 40dB (A), and no obvious noise characteristic of the sound source exists.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a vibration damping and noise reduction structure of underground pump room, is equipped with a plurality of pump bodies (51) in underground pump room (50) and pipeline (52) of being connected with pump body (51), its characterized in that, vibration damping and noise reduction structure is including base (10) that are used for installing pump body (51) and be used for supporting first damper (20) of base (10), first damper (20) will base (10) suspend in midair.

2. A vibration and noise reduction structure for an underground pump room according to claim 1, wherein the first vibration reduction mechanisms (20) are provided in at least two groups, and the two groups of the first vibration reduction mechanisms (20) are provided on two opposite sides of the base (10).

3. A vibration and noise reduction structure of an underground pump room according to claim 2, wherein each of the first vibration absorption mechanisms (20) comprises a fixing plate (21) fixedly connected with the base (10) and a plurality of groups of first vibration absorption assemblies (22) for supporting the fixing plate (21).

4. A vibration and noise reduction structure for an underground pump room as claimed in claim 3, wherein each of the first vibration absorption units (22) comprises an upper plate (221) fixedly connected with the fixed plate (21), a sliding cylinder (222) fixedly connected with the upper plate (221), a lower plate (223) installed on the ground, and a sleeve (224) fixedly connected with the lower plate (223), the sliding cylinder (222) is slidably inserted into the sleeve (224), and the upper plate (221) and the lower plate (223) are provided with first springs (225).

5. A vibration and noise reduction structure of an underground pump room according to claim 1, characterized in that it further comprises a second vibration-damping mechanism (30) for vibration and noise reduction of the pipe (52).

6. A vibration and noise reduction structure of an underground pump room according to claim 5, wherein the second vibration absorption mechanism (30) comprises a support frame (31) for supporting the pipeline (52) and a plurality of groups of second vibration absorption assemblies (32) fixedly connected with the support frame (31).

7. The vibration and noise reduction structure of the underground pump room as claimed in claim 6, wherein each second vibration absorption assembly (32) comprises an upper transverse plate (321) fixedly connected with the support frame (31), a lower transverse plate (322) arranged right below the upper transverse plate (321) and vertical plates (323) fixed at two sides of the lower transverse plate (322), and the vertical plates (323) are arranged right below the upper transverse plate (321) and are not connected with the upper transverse plate (321); go up diaphragm (321) towards diaphragm (322) one side is equipped with montant (324) down, montant (324) overcoat is located second spring (325) just second spring (325) with diaphragm (322) fixed connection down.

8. The vibration and noise reduction structure of an underground pump room as claimed in claim 1, further comprising a hanging type vibration and noise reduction mechanism (40) for assisting in fixing the pipeline (52), wherein the hanging type vibration and noise reduction mechanism (40) comprises an L-shaped fixing frame (41), the pipeline (52) is lapped on the L-shaped fixing frame (41), and the other end of the L-shaped fixing frame (41) is fixed on a wall top.

9. A vibration and noise reduction structure of an underground pump room as claimed in claim 8, wherein a third vibration absorption assembly (42) is further arranged between the L-shaped fixing frame (41) and the top of the wall.

10. The vibration and noise reduction structure of the underground pump room of claim 9, wherein the third vibration reduction assembly (42) comprises a first insertion rod (421) connected with the L-shaped fixing frame (41), a second insertion rod (422) fixedly connected with the wall top, and a hanging frame (423) arranged between the first insertion rod (421) and the second insertion rod (422), the first insertion rod (421) is inserted into the hanging frame (423), a baffle (424) is arranged at one end of the first insertion rod (421) arranged in the hanging frame (423), and a third spring (425) is arranged between the baffle (424) and the hanging frame (423).