CN217056132U

CN217056132U - Mounting device for vibration isolation and noise reduction of power equipment

Info

Publication number: CN217056132U
Application number: CN202220747305.9U
Authority: CN
Inventors: 汪科; 蒋亮
Original assignee: Sichuan Hengyuan Xinyou Environmental Technology Co ltd
Current assignee: Sichuan Hengyuan Xinyou Environmental Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-26
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses an installation device for power equipment vibration isolation noise reduction relates to power equipment technical field, including mounting panel, base and first damper, the sound absorbing material is filled to the inside of mounting panel, and the base is located the below of mounting panel, and mounting panel and base are connected to first damper. The utility model discloses a first damper assembly absorbs the production of partial vibration with noise abatement to noise that the sound absorbing material through the inside packing of mounting panel arouses the resonance of contact site absorbs and falls the noise, thereby reduced the noise of power equipment when using.

Description

Mounting device for vibration isolation and noise reduction of power equipment

Technical Field

The utility model relates to a power equipment technical field, concretely relates to installation device for power equipment vibration isolation noise reduction.

Background

The power equipment mainly comprises power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, and the power supply equipment mainly comprises power transmission lines, mutual inductors, contactors and the like with various voltage grades.

Some electrical devices, such as generators, vibrate during use, and further resonate with mounting plates or the like carrying the electrical devices, which causes loud noise.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide an installation device for power equipment vibration isolation noise reduction aims at solving the great problem of noise when power equipment uses among the prior art.

The utility model adopts the technical scheme as follows:

a mounting device for vibration isolation and noise reduction of electric power equipment comprises:

the mounting plate is filled with sound absorption materials;

the base is positioned below the mounting plate;

the first damping assembly is connected with the mounting plate and the base.

Optionally, the first damping assembly comprises a hydraulic telescopic column, a first end of the hydraulic telescopic column is connected with the mounting plate, and a second end of the hydraulic telescopic column is connected with the base.

Optionally, the base is provided with an installation groove;

the first damping assembly further comprises a connecting assembly and a plurality of transverse damping assemblies, the transverse damping assemblies are distributed around the axis of the hydraulic telescopic column in an annular array, each transverse damping assembly comprises a transverse rod, a sliding block and a first spring, one end of the transverse rod is connected with the second end of the hydraulic telescopic column, the other end of the transverse rod is connected with the inner wall of the mounting groove, the sliding block is sleeved on the transverse rod in a sliding mode, the first spring is sleeved on the transverse rod, one end of the first spring is connected with the sliding block, and the other end of the first spring is connected with the side wall of the mounting groove;

the connecting assembly comprises a connecting rod, and two ends of the connecting rod are hinged with the sliding block and the mounting plate respectively.

Optionally, the connecting assembly further comprises a sleeve and a third spring, the bottom of the sleeve is sealed, the sleeve is sleeved with the connecting rod in a sliding mode, the third spring is arranged in the inner tube of the sleeve, one end of the connecting rod is hinged to the mounting plate, the other end of the connecting rod is connected with one end of the third spring, the other end of the third spring is connected to the bottom of the inner tube of the sleeve, and one end, far away from the connecting rod, of the sleeve is hinged to the sliding block.

Optionally, three sets of lateral shock absorbing assemblies are provided.

Optionally, the device further comprises two sets of second damping assemblies symmetrically arranged on the mounting plate, each set of second damping assembly comprises a vertical plate, a clamping plate and a second damping structure, the vertical plate is arranged on one side of the mounting plate, the two clamping plates are close to each other, and the second damping structures are connected with the clamping plates and the vertical plates.

Optionally, the second damping structure includes a second spring, a guide pillar, and a guide sleeve, one end of the guide pillar is connected to the clamp plate, the other end of the guide pillar is matched with one end of the guide sleeve, the other end of the guide sleeve is connected to the vertical plate, and the second spring is sleeved on the guide pillar.

Optionally, one end of the second spring is connected with the clamping plate, and the other end of the second spring is connected with the guide sleeve.

Optionally, the guide pillar and the clamping plate are connected by a ball head shaft.

Optionally, the interior of the clamping plate is filled with sound absorbing material.

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

the embodiment of the utility model provides a mounting device for power equipment vibration isolation noise reduction, be used for stably setting up the state through the support base that sets up the base as whole device, sound absorbing material fills in the inside of mounting panel, the mounting panel is connected with the base through first shock attenuation subassembly, be used for setting up the consumer on the mounting panel, the partial vibration of power equipment when using is absorbed through first shock attenuation subassembly, because the inside packing of mounting panel has sound absorbing material, make it not solid construction, and then the resonance that produces when mounting panel and power equipment contact alleviates, the noise that resonance produced also reduces, and the noise that produces is from producing the position, just also can be absorbed by the sound absorbing material of mounting panel inside from the mounting panel department, further noise reduction.

Drawings

Fig. 1 is a schematic structural view of an installation device for vibration isolation and noise reduction of power equipment provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a connecting assembly in the mounting device for vibration isolation and noise reduction of the power equipment provided by the embodiment of the present invention;

fig. 3 is a schematic structural view of a second damping structure in the mounting device for vibration isolation and noise reduction of the power equipment provided by the embodiment of the present invention;

reference numerals in the drawings indicate:

10-vertical plate, 11-mounting plate, 12-first shock-absorbing assembly, 121-hydraulic telescopic column, 122-connecting assembly, 1221-connecting rod, 1222-third spring, 1223-sleeve, 1224-push plate, 123-transverse shock-absorbing assembly, 1231-cross-bar, 1232-sliding block, 1233-first spring, 13-base, 14-second shock-absorbing structure, 141-guide sleeve, 142-guide column, 143-second spring, 15-clamping plate and 16-electric equipment.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a mounting device for vibration isolation and noise reduction of an electrical device, including a mounting plate 11, a base 13, and a first damping assembly 12, wherein the mounting plate 11 is filled with a sound absorbing material; the base 13 is positioned below the mounting plate 11; the first cushion member 12 connects the mounting plate 11 and the base 13.

In this embodiment, the base 13 has a stable supporting effect on the rest of the components of the upper device, and the mounting plate 11 is used for installing the power equipment 16, it can be understood that, in use, the power equipment 16 can be stably fixed on the mounting plate 11 by a conventional fixing means in the art, such as a bolt fixing manner, and the first damping assembly 12, such as the hydraulic telescopic column 121 provided in other embodiments of the present invention, can also be one or more sets of springs with a large elastic coefficient, and can also be a simple and easy soft material, such as a multi-layer rubber pad or a sponge pad, can absorb part of the vibration generated during the operation of the power equipment, because the generation of noise mostly comes from the initiation of vibration, the generation of noise can be reduced by the absorption of vibration by the first damping assembly 12, and the generation of inevitable noise can be reduced by the source of noise, that is, noise caused by resonance between the mounting plate 11 and the electrical equipment 16 may be absorbed by the sound absorbing material filled in the mounting plate 11 at the first time.

The sound-absorbing material can adopt three types of porous, resonant and special structures, wherein the most widely used porous sound-absorbing material mainly comprises four types of organic fibers, inorganic foam, foamed plastic and the like, such as foamed glass and foamed metal in the inorganic foam sound-absorbing material, and has the characteristics of no corrosion, no combustion, no odor, convenient construction and the like; the inorganic fiber sound-absorbing material mainly refers to natural or artificial fiber materials which take inorganic minerals as basic components, and the materials have good sound-absorbing performance, light weight and non-inflammability. The glass wool belongs to one category of glass fiber and is artificial inorganic fiber, the glass wool is a material formed by fiberizing molten glass into a cotton shape, and the chemical components belong to glass, and the glass wool is inorganic fiber and has the characteristics of good forming, small volume density, thermal conductivity , heat insulation, good sound absorption performance, corrosion resistance, stable chemical performance and the like.

Furthermore, the mounting plate 11 may be configured as a honeycomb structure as shown in fig. 1, which can reduce the resonance strength between the solid mounting plate 11 and the power equipment 16, and increase the structural strength of the mounting plate 11, and the honeycomb holes are filled with sound-absorbing material, so that noise can be repeatedly rebounded and absorbed in the honeycomb holes.

In an embodiment, as shown in fig. 1, an embodiment of the first damping module 12 is provided, specifically, the first damping module 12 includes a hydraulic telescopic column 121, a first end of the hydraulic telescopic column 121 is connected to the mounting plate 11, a second end of the hydraulic telescopic column 121 is connected to the base 13, and the hydraulic telescopic column 121 with a large supporting force is used for supporting, which is beneficial to stability of the apparatus, and when it vibrates, the hydraulic telescopic column 121 can effectively absorb the vibration under uniform and stable extension. It should be noted that, in the embodiment, the first end and the second end are based on fig. 1, the upper part of the component is the first end, the lower part is the second end,

in one embodiment, as shown in fig. 1 and 2, since the mass of the electric power equipment 16 is generally large, a transverse damping assembly is provided to assist the telescopic damping of the hydraulic telescopic column 121, specifically, a mounting groove is formed on the base 13; the first damping assembly 12 further comprises a connecting assembly 122 and a plurality of transverse damping assemblies, the plurality of transverse damping assemblies are distributed in an annular array around the axis of the hydraulic telescopic column 121, each transverse damping assembly comprises a cross rod 1231, a sliding block 1232 and a first spring 1233, one end of the cross rod 1231 is connected with the second end of the hydraulic telescopic column 121, the other end of the cross rod 1231 is connected with the inner wall of the mounting groove, the sliding block 1232 is slidably sleeved on the cross rod 1231, the first spring 1233 is sleeved on the cross rod 1231, one end of the first spring 1233 is connected with the sliding block 1232, and the other end of the first spring 1233 is connected with the side wall of the mounting groove; the connecting assembly 122 includes a connecting rod 1221, and two ends of the connecting rod 1221 are respectively hinged to the sliding block 1232 and the mounting plate 11.

In this embodiment, when the hydraulic telescopic column 121 absorbs most of the vertical vibration, it contracts, the connecting assembly 122 moves down along with the mounting plate 11, the horizontal component of the force applied to the slider 1232 allows the slider 1232 to slide along the cross rod 1231, and compresses the first spring 1233, the first spring 1233 absorbs the vibration force, so as to achieve shock absorption, after the action is completed, the first spring 1233 returns, the slider 1232 returns, the hydraulic telescopic column 121 extends and moves simultaneously, the mounting plate 11 moves up, so as to complete the return of the device, when the mounting plate 11 moves up and down, the two hinged ends of the connecting rod 1221 can ensure the degree of freedom of the connecting rod 1221, and cannot hinder the action from proceeding. The number of the transverse shock absorption assemblies is 2-4, wherein the supporting and shock absorption effects are optimal when three transverse shock absorption assemblies are arranged, and the structural complication caused by the excessive number is avoided.

In one embodiment, as shown in fig. 2, to further improve the damping capacity, a sleeve 1223 and a third spring 1222 are provided for the connecting assembly 122, the bottom of the sleeve 1223 is closed, the sleeve 1223 is slidably sleeved with the link 1221, the third spring 1222 is provided in an inner tube of the sleeve 1223, one end of the link 1221 is hinged to the mounting plate 11, the other end of the link 1221 is connected to one end of the third spring 1222, the other end of the third spring 1222 is connected to the bottom of the inner tube of the sleeve 1223, and one end of the sleeve 1223, which is far away from the link 1221, is hinged to the sliding block 1232. As set forth above, as the linkage assembly 122 moves following the mounting plate 11, the rod 1221 slides back and forth within the sleeve 1223 and is damped by compressing or extending the third spring 1222.

Further, in order to increase the force bearing surface of the link 1221 for compressing or stretching the third spring 1222 and prevent the link 1221 from falling off the bushing 1223, the link 1221 is connected to the second spring 1222 through the push plate 1224, the diameter of the push plate 1224 is equal to the inner diameter of the bushing 1223, the diameter of the link 1221 is smaller than the inner diameter of the bushing 1223, and at the port where the push plate 1224 reaches the bushing 1223, the push plate 1224 cannot be separated from the bushing 1223 due to the size, so that the link 1221 can always keep engaged with the bushing 1223.

In one embodiment, as shown in fig. 1, in order to further improve the damping capacity and reduce noise generation, a damping structure is added from the installation position of the power equipment 16, specifically, the device further includes two sets of second damping assemblies symmetrically arranged on the installation plate 11, each set of second damping assemblies includes a vertical plate 10, a clamping plate 15 and a second damping structure 14, the vertical plate 10 is arranged on one side of the installation plate 11, the two clamping plates 15 are close to each other, and the second damping structure 14 connects the clamping plate 15 and the vertical plate 10.

In this embodiment, the second shock absorbing structures 14 are symmetrically disposed on the mounting plate 11 through the vertical plate 10, and the second shock absorbing structures 14 are similar to the first shock absorbing assembly 12, and are not described herein again. By arranging the opposing jaws 15, the electrical device 16 is arranged between the jaws 15, which can also assist in the stable arrangement of the electrical device 16.

In an embodiment, as shown in fig. 1 and 3, an embodiment of the second shock absorbing structure 14 is provided, and specifically, the second shock absorbing structure 14 includes a second spring 143, a guide pillar 142, and a guide sleeve 141, one end of the guide pillar 142 is connected to the clamping plate 15, the other end of the guide pillar 142 is engaged with one end of the guide sleeve 141, the other end of the guide sleeve 141 is connected to the upright plate 10, and the second spring 143 is sleeved on the guide pillar 142.

In this embodiment, the cooperation mode that utilizes the guide pillar guide pin bushing obviously promotes spacing fixed effect to under the cooperation of guide pillar 142 and guide pin bushing 141, the absorption of vibration relies on with the deformation of second spring 143, further be connected the both ends of second spring 143 with splint 15 and guide pin bushing 141 respectively, the possibility that second spring 143 takes place the sudden change at flexible in-process reduces, second spring 143 can also effectual to the contraside pressure application under compression state, make splint 15 and power equipment 16 butt, stabilize the user state.

In one embodiment, in order to reduce the possibility of the resonance-induced noise caused by the hard contact between the clamping plate 15 and the electrical device 16, the guide post 142 and the clamping plate 15 are connected by a ball joint shaft, so that there is a certain degree of freedom in deflection between the clamping plate 15 and the guide post 142, and the clamping plate 15 can deflect a little along with the vibration of the electrical device 16 while abutting against the electrical device 16, so as to prevent the connection portion between the clamping plate 15 and the guide post 142 from being influenced by the torsional force for a long time.

In one embodiment, in order to further improve the noise absorption capability, the interior of the clamping plate 15 may be filled with sound absorption material to absorb noise from the vibration generating portion in time so as to reduce the noise, and one side surface opposite to the clamping plate 15 is provided with a rubber pad to prevent hard contact between the clamping plate 15 and the power equipment 16 and reduce the possibility of resonance noise.

The foregoing is illustrative of the present invention and is not to be construed as limited thereto, and any and all modifications, equivalent alterations and improvements made within the spirit and scope of the present invention are intended to be covered thereby.

Claims

1. The utility model provides a mounting device for power equipment vibration isolation noise reduction which characterized in that includes:

the mounting plate is filled with sound absorption materials;

a base located below the mounting plate;

the first shock absorption assembly is connected with the mounting plate and the base.

2. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 1, wherein the first damping assembly comprises a hydraulic telescopic column, a first end of the hydraulic telescopic column is connected with the mounting plate, and a second end of the hydraulic telescopic column is connected with the base.

3. The vibration isolation and noise reduction mounting device for electric power equipment according to claim 2,

the base is provided with an installation groove;

the first damping assembly further comprises a connecting assembly and a plurality of transverse damping assemblies, the transverse damping assemblies are distributed around the axis of the hydraulic telescopic column in an annular array manner, each transverse damping assembly comprises a transverse rod, a sliding block and a first spring, one end of the transverse rod is connected with the second end of the hydraulic telescopic column, the other end of the transverse rod is connected with the inner wall of the mounting groove, the sliding block is sleeved on the transverse rod in a sliding manner, the first spring is sleeved on the transverse rod, one end of the first spring is connected with the sliding block, and the other end of the first spring is connected with the side wall of the mounting groove;

coupling assembling includes the connecting rod, the both ends of connecting rod respectively with the slider with the mounting plate is articulated.

4. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 3, wherein the connecting assembly further comprises a sleeve with a closed bottom and a third spring, the sleeve is slidably sleeved on the connecting rod, the third spring is arranged in an inner tube of the sleeve, one end of the connecting rod is hinged to the mounting plate, the other end of the connecting rod is connected to one end of the third spring, the other end of the third spring is connected to the bottom of the inner tube of the sleeve, and one end of the sleeve, which is far away from the connecting rod, is hinged to the slider.

5. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 3, wherein three sets of the lateral vibration damping members are provided.

6. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 1, further comprising two sets of second damping assemblies symmetrically disposed on the mounting plate, wherein each set of second damping assemblies includes a vertical plate, a clamping plate and a second damping structure, the vertical plate is disposed on one side of the mounting plate, the two clamping plates are close to each other, and the second damping structure connects the clamping plate and the vertical plate.

7. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 6, wherein the second damping structure comprises a second spring, a guide pillar and a guide sleeve, one end of the guide pillar is connected to the clamping plate, the other end of the guide pillar is engaged with one end of the guide sleeve, the other end of the guide sleeve is connected to the vertical plate, and the second spring is sleeved on the guide pillar.

8. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 7, wherein one end of the second spring is connected to the clamp plate, and the other end of the second spring is connected to the guide sleeve.

9. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 7, wherein the guide post and the clamping plate are connected by a ball joint shaft.

10. The mounting device for vibration isolation and noise reduction of electric power equipment according to claim 6, wherein the interior of said clamping plate is filled with a sound absorbing material.