CN207438042U - A kind of vibration isolator for large-scale diesel engine generating set - Google Patents
A kind of vibration isolator for large-scale diesel engine generating set Download PDFInfo
- Publication number
- CN207438042U CN207438042U CN201721381310.8U CN201721381310U CN207438042U CN 207438042 U CN207438042 U CN 207438042U CN 201721381310 U CN201721381310 U CN 201721381310U CN 207438042 U CN207438042 U CN 207438042U
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- Prior art keywords
- pedestal
- baffle
- steel plate
- diesel engine
- vibration isolator
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Abstract
The utility model belongs to cushion technique field, discloses a kind of vibration isolator for large-scale diesel engine generating set, big there is noise in use for solving the problems, such as to solve existing noise reduction room.The utility model includes pedestal, erection support is installed on the pedestal, the erection support includes being provided with the first baffle and second baffle on pedestal and being mutually parallel, the end of the first baffle and second baffle is connected with side plate, and torque-converters pedestal and diesel oil machine base are equipped between the first baffle and second baffle；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal includes at least 5 layers of steel plate at least set gradually under, and rubber vibration insulating pad is both provided between adjacent steel plate.
Description
Technical field
The utility model belongs to cushion technique field, and in particular to a kind of vibration isolation for large-scale diesel engine generating set
Device.
Background technology
For large-sized diesel gen-set, noise pollution, is both provided with noise reduction room in order to prevent.And the main of computer room is made an uproar
Sound source is the noise of the noise of diesel engine, the noise in source of the gas room, drive chain case and torque-converters.The noise in source of the gas room is predominantly pneumatically made an uproar
Sound, noise frequency is based on medium-high frequency, and the noise of drive chain case and torque-converters is mainly gear and bearing noise, in medium-high frequency section
Noise is than more prominent.
It is relatively more for the noise research of noise reduction room, air-intaker, silencer at present for large-sized diesel gen-set.
Technical literature in the prior art on noise reduction room is also more, such as the utility model patent of Application No. 200920318194.4
A kind of large-sized power plant noise reduction room of the fast demountable of generator is disclosed, noise reduction room main body is closed into for surrounding and upper closedtop
Obturator, the upper fixed strong air-intake device in top, air-discharge silencer is mounted on the right side of noise reduction room main body, the front of noise reduction room main body
It is each below that there are one air-inlet sound eliminator, soundproof door and sound proof windows in the front of noise reduction room main body, sound proof window may be mounted at every
On glottis, it can also be directly installed on noise reduction room main body frame and wall；Power-equipment is placed in noise reduction room main body, power
Equipment is connected with the air-discharge silencer on right side；Noise reduction room main body is dismountable frame structure, is stood including three-dimensional short circuit head, angle
Column, crossbeam and longeron, corner post, crossbeam, longeron are socketed in respectively on the connector of three-dimensional short circuit head, and socket is consolidated in place with bolt afterwards
It is fixed；Outer sound-insulation wall is bolted in longitudinal and cross beam respectively, and outer sound-insulation wall is connected with the auxiliary beam of detachable frame, interior suction
Sound wall is connected by HOOK BOLTS with the auxiliary beam of detachable frame；It absorbs sound inside and one is formed between wall and outer sound-insulation wall
Air layer；Interior sound absorption wall, outer sound-insulation wall, air layer collectively constitute the combined wall of noise reduction room.
Such as the utility model patent of Application No. 200720080797.6 discloses a kind of comprehensive treatment noise elimination noise reduction room,
It is made of computer room, built-in air inlet silencing channel and built-in air exhausting soundproofing channel, built-in air inlet is provided at computer room wall
Silencing channel is made of the wall of computer room, and sound insulation curtain wall is provided on the inside of wall, is provided with and disappears between wall and sound insulation curtain wall
Sound passage is provided with air intake passage import on wall, and air intake passage outlet is provided on the curtain wall that insulates against sound；Built-in air exhausting soundproofing leads to
Road is made of computer room wall, is provided with noise elimination curtain wall on the inside of wall, silencing channel, wall are provided between wall and noise elimination curtain wall
On be provided with air exhaust passage outlet, be provided with air exhaust passage import on noise elimination curtain wall, the mechanical air exhausting device in computer room is by computer room
Motor mechanism in mechanical equipment directly or by belt pulley on engine extension axis into being connected with fan；Insulate against sound curtain wall and
The cross section structure of noise elimination curtain wall is sound absorption material layer and/or brick mix structure layer.
However, be almost at present blank for the research of large-scale diesel engine generating set bearing, large-scale diesel engine generator
Group is all to use common bearing, however common bearing is big there is noise in use without also special vibration isolator
The problem of.
Utility model content
There is noises when large-sized diesel generator is applied in order to solve existing common bearing for the utility model
The problem of big, and a kind of vibration isolator for large-scale diesel engine generating set is provided, in the case where ensureing installation strength, reduce
The vibrating noise of large-scale diesel engine generating set.
To solve technical problem, technical solution is used by the utility model：
A kind of vibration isolator for large-scale diesel engine generating set, which is characterized in that including pedestal, installed on the pedestal
There is erection support, the erection support includes being provided with the first baffle and second baffle on pedestal and being mutually parallel, described
The end of first baffle and second baffle is connected with side plate, and torque-converters pedestal is equipped between the first baffle and second baffle
With diesel oil machine base；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers from down toward
The steel plate set gradually less is both provided with rubber vibration insulating pad between adjacent steel plate.
The thickness of the steel plate is 4-6mm.
The thickness of the rubber vibration insulating pad is 18-22mm.
The Shore hardness of the rubber vibration insulating pad is 58-65 degree.
The upper end of the pedestal is provided with to install the connection otic placode of erection support.
The channel steel that the first baffle and second baffle are linked together by two pieces is made.
Checkered steel plate is installed, between the torque-converters pedestal and diesel oil machine base between the torque-converters pedestal and side plate
Checkered steel plate is installed, checkered steel plate is installed between the diesel oil machine base and side plate.
Compared with prior art, the invention has the advantages that：
The vibration isolator for large-scale diesel engine generating set of the utility model includes pedestal, is equipped on the pedestal
Erection support, the erection support include being provided with the first baffle and second baffle that on pedestal and are mutually parallel, and described the
The end of one baffle and second baffle is connected with side plate, be equipped between the first baffle and second baffle torque-converters pedestal and
Diesel oil machine base；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers under at least
The steel plate set gradually is both provided with rubber vibration insulating pad between adjacent steel plate.The utility model by by rubber vibration insulating pad according to
It is secondary to be arranged in steel plate, it can either ensure the rigidity of vibration isolator, while diesel-driven generator making an uproar in use can be reduced
Sound；It can ensure the installation strength of torque-converters and diesel engine simultaneously.
Description of the drawings
Fig. 1 is the vertical view figure structure schematic representation of the erection support of the utility model；
Fig. 2 is the structure diagram of the pedestal of the utility model；
It is marked in figure：1st, steel plate, 2, rubber vibration insulating pad, 3, connection otic placode, 4, first baffle, 5, side plate, 6, torque-converters bottom
Seat, 7, diesel oil machine base, 8, checkered steel plate, 9, second baffle.
Specific embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
Type part of the embodiment is not whole embodiments.Based on the embodiment in the utility model, the ordinary skill people of this field
Other embodiments used that member is obtained without making creative work belong to the protection model of the utility model
It encloses.
With reference to attached drawing, the vibration isolator for large-scale diesel engine generating set of the utility model includes pedestal, the bottom
Erection support is installed, the erection support includes being provided with the first baffle 4 and second on pedestal and being mutually parallel on seat
The end of baffle 9, the first baffle 4 and second baffle 9 is connected with side plate 5, between the first baffle 4 and second baffle 9
Torque-converters pedestal 6 and diesel oil machine base 7 are installed；There is spacing between the torque-converters pedestal 6 and diesel oil machine base 7；It is described
Pedestal includes at least 5 layers steel plate 1 at least set gradually under, and rubber vibration insulating pad 2 is both provided between adjacent steel plate 1.This
Utility model can either ensure the rigidity of vibration isolator, while can reduce by the way that rubber vibration insulating pad is successively set in steel plate
The noise of diesel-driven generator in use；It can ensure the installation strength of torque-converters and diesel engine simultaneously.
As a kind of preferred mode of the utility model, the thickness of the steel plate 1 is 4-6mm；The rubber vibration insulating pad 2
Thickness is 18-22mm.
In order to ensure the requirement of vibration isolation and intensity, the Shore hardness of the rubber vibration insulating pad 2 is 58-65 degree.
The upper end of the pedestal of the utility model is provided with to install the connection otic placode 3 of erection support.
The channel steel that the first baffle 4 and second baffle 9 are linked together by two pieces is made.
Checkered steel plate 8, the torque-converters pedestal 6 and diesel oil machine base are installed between the torque-converters pedestal 6 and side plate 5
Checkered steel plate 8 between 7 is installed, checkered steel plate 8 is installed between the diesel oil machine base 7 and side plate 5.Pass through checkered steel plate
8 can increase the intensity of erection support.Wherein diesel oil machine base and torque-converters pedestal is made using channel steel, and is passed through
Screw rod is fixedly mounted on first baffle and second baffle.
As a kind of preferred mode of the utility model, side plate 5 is made using channel steel.
It illustrates：The vibration isolation efficiency requirement β of diesel engine unit>0.8, vibration transmission efficiency μ=0.2.Then vibration isolator
Vertical stiffness be：
Wherein ω is the π of circular frequency ω=2 f, and M is the gross mass of diesel generating set.
It illustrates：
Diesel engine quality m1=5300kg,
The π f=2 of ω=2 × 21.7 π=136.1rad/s.
Assuming that the gross mass of diesel engine acoustic hood is m2The gross mass of=120kg, then diesel engine unit
M=m1+m2=5300+120=5420kg, finally obtaining vibration isolator vertical stiffness is：
The intrinsic frequency of rubber vibration insulating pad is：
The vertical stiffness of vibration isolator is：
kVibrating isolation system=(2 π f)2M=(2 π f)2× 5420=5343903.2kg/s2=53439N/cm.
Embodiment one
The vibration isolator for large-scale diesel engine generating set of the present embodiment, including pedestal, is equipped on the pedestal
Filling bearing, the erection support includes being provided with the first baffle and second baffle that on pedestal and are mutually parallel, and described first
The end of baffle and second baffle is connected with side plate, and torque-converters pedestal and bavin are equipped between the first baffle and second baffle
Oil machine pedestal；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers under at least according to
The steel plate of secondary setting is both provided with rubber vibration insulating pad between adjacent steel plate.
Embodiment two
The vibration isolator for large-scale diesel engine generating set of the present embodiment, including pedestal, is equipped on the pedestal
Filling bearing, the erection support includes being provided with the first baffle and second baffle that on pedestal and are mutually parallel, and described first
The end of baffle and second baffle is connected with side plate, and torque-converters pedestal and bavin are equipped between the first baffle and second baffle
Oil machine pedestal；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers under at least according to
The steel plate of secondary setting is both provided with rubber vibration insulating pad between adjacent steel plate；The thickness of the steel plate is 4-6mm.
Embodiment three
The vibration isolator for large-scale diesel engine generating set of the present embodiment, including pedestal, is equipped on the pedestal
Filling bearing, the erection support includes being provided with the first baffle and second baffle that on pedestal and are mutually parallel, and described first
The end of baffle and second baffle is connected with side plate, and torque-converters pedestal and bavin are equipped between the first baffle and second baffle
Oil machine pedestal；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers under at least according to
The steel plate of secondary setting is both provided with rubber vibration insulating pad between adjacent steel plate；The thickness of the steel plate is 4-6mm；The rubber
The thickness of vibration isolator is 18-22mm.
Example IV
The vibration isolator for large-scale diesel engine generating set of the present embodiment, including pedestal, is equipped on the pedestal
Filling bearing, the erection support includes being provided with the first baffle and second baffle that on pedestal and are mutually parallel, and described first
The end of baffle and second baffle is connected with side plate, and torque-converters pedestal and bavin are equipped between the first baffle and second baffle
Oil machine pedestal；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers under at least according to
The steel plate of secondary setting is both provided with rubber vibration insulating pad between adjacent steel plate；The thickness of the steel plate is 4-6mm；The rubber
The thickness of vibration isolator is 18-22mm；The Shore hardness of the rubber vibration insulating pad is 58-65 degree.
Embodiment five
On the basis of any of the above-described embodiment, the upper end of the pedestal is provided with to install the connection of erection support
Otic placode.
Embodiment six
On the basis of any of the above-described embodiment, what the first baffle and second baffle were linked together by two pieces
Channel steel is made.
Embodiment seven
On the basis of any of the above-described embodiment, checkered steel plate is installed between the torque-converters pedestal and side plate, institute
It states and checkered steel plate is installed between torque-converters pedestal and diesel oil machine base, decorative pattern is installed between the diesel oil machine base and side plate
Steel plate.
Claims (7)
1. a kind of vibration isolator for large-scale diesel engine generating set, which is characterized in that including pedestal, be equipped on the pedestal
Erection support, the erection support include being provided with the first baffle and second baffle that on pedestal and are mutually parallel, and described the
The end of one baffle and second baffle is connected with side plate, be equipped between the first baffle and second baffle torque-converters pedestal and
Diesel oil machine base；There is spacing between the torque-converters pedestal and diesel oil machine base；The pedestal include at least 5 layers under at least
The steel plate set gradually is both provided with rubber vibration insulating pad between adjacent steel plate.
2. the vibration isolator according to claim 1 for large-scale diesel engine generating set, which is characterized in that the steel plate
Thickness is 4-6mm.
3. the vibration isolator according to claim 1 for large-scale diesel engine generating set, which is characterized in that the rubber every
Shake pad thickness be 18-22mm.
4. the vibration isolator according to claim 1 for large-scale diesel engine generating set, which is characterized in that the rubber every
Shake pad Shore hardness be 58-65 degree.
5. the vibration isolator for large-scale diesel engine generating set according to any one of claim 1-4, which is characterized in that
The upper end of the pedestal is provided with to install the connection otic placode of erection support.
6. the vibration isolator according to claim 1 for large-scale diesel engine generating set, which is characterized in that the first gear
The channel steel that plate and second baffle are linked together by two pieces is made.
7. the vibration isolator according to claim 1 for large-scale diesel engine generating set, which is characterized in that the torque-converters
Checkered steel plate between pedestal and side plate is installed, checkered steel plate is installed between the torque-converters pedestal and diesel oil machine base, institute
It states and checkered steel plate is installed between diesel oil machine base and side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381310.8U CN207438042U (en) | 2017-10-24 | 2017-10-24 | A kind of vibration isolator for large-scale diesel engine generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381310.8U CN207438042U (en) | 2017-10-24 | 2017-10-24 | A kind of vibration isolator for large-scale diesel engine generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207438042U true CN207438042U (en) | 2018-06-01 |
Family
ID=62294074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721381310.8U Expired - Fee Related CN207438042U (en) | 2017-10-24 | 2017-10-24 | A kind of vibration isolator for large-scale diesel engine generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207438042U (en) |
-
2017
- 2017-10-24 CN CN201721381310.8U patent/CN207438042U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20191024 |