CN100516586C - Installation method for removing vibration and noise of mechanical equipment - Google Patents
Installation method for removing vibration and noise of mechanical equipment Download PDFInfo
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- CN100516586C CN100516586C CNB2007100313839A CN200710031383A CN100516586C CN 100516586 C CN100516586 C CN 100516586C CN B2007100313839 A CNB2007100313839 A CN B2007100313839A CN 200710031383 A CN200710031383 A CN 200710031383A CN 100516586 C CN100516586 C CN 100516586C
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Abstract
The present invention provides an installing method for eliminating the vibration and the noise of mechanical equipments. A vibratory mechanical equipment is suspended and installed at a steel-spring-rubber composite shock absorber or a shock absorbing gasket which is installed at a suspending shock-absorbing block, the weight of which is more than one time of the weight of the vibratory mechanical equipment. The suspending shock-absorbing block is suspended and installed at a damping rubber column steel spring shocking absorbing device or a shock absorbing gasket which is installed at the installing layer face. The method is a suspending shock-absorbing installing method which has obvious effects of eliminating the vibration, separating the vibration and reducing the noise; the installing method is simple with low cost; the vibratory equipment can be installed and adjusted under the not-stop state.
Description
[technical field]
The present invention relates to a kind of harmful mechanical vibration and method of noise eliminated, especially relate to a kind of mechanical equipment vibration of eliminating by the harmful vibration of fondational structure transmission with produce the method for low-frequency noise, belong to field of environment protection.
[background technique]
Development along with society, people's living environment quality improves constantly, be arranged on the elevator in the building, central air conditioning equipment, freezing and cooling waterpump, living pump, supply transformer, air compressor, punch press, diesel generator and various ventilation equipment are also more and more, the work running of these machinery forms the vibration source of different frequency, if do not take effective vibration reducing measure when the vibration that these equipment produce is installed, vibration source can produce a kind of harmful vibration and low-frequency noise by the transmission of fondational structure, and this vibration and low-frequency noise are seriously disturbed people's normal life, the study and work environment.
At present, handling this harmful mechanical vibration and the installation method of low-frequency noise roughly has two kinds, and a kind of method is that one deck various forms is set is vibration pad to the base in various machinery; Another kind method is with the vibration proof foundation of Cement Concrete system or the vibrationproof ditch is set, these installation methods can only be subdued the partial vibration between vibration source and the basis, the vibration isolation setting of one deck can only reduce the exciting of part high band, but the impact shock that still has the medium and low frequency section transmits by fondational structure and produces vibration and low-frequency noise, and Here it is still exists a large amount of vibrations and the low-frequency noise phenomenon that disturbs residents at present both at home and abroad.
[summary of the invention]
The object of the present invention is to provide a kind of mechanical equipment vibration and remarkable simple and easy to do again suspension absorbing installation method of noise effects eliminated, solve present various vibrating mechanical equipment ubiquitous vibration insulation and noise reduction DeGrain in installing and using, be difficult to thoroughly to eliminate each frequency range vibration source by the harmful vibration of fondational structure transmission and the technical problem of low-frequency noise.
Technological scheme of the present invention is: change traditional installation method fully, design suspension absorbing method is installed.Described suspension absorbing method is that a quality is twice in mounted thereto of above suspension absorbing body and the following suspending medium than vibration source, vibration source is installed on the suspending medium, the installation aspect is under the low suspension matchmaker, suspension absorbing body is between the upper and lower suspending medium, plays the effect that absorbs fully and eliminate mechanical equipment vibration and noise.Especially as " the broken Da Shi in chest " program principle of performance among the people, at performing artist chest lay piece of cloth pad, place the Da Shi that quality is more much bigger than the iron hammer of hammering on the cloth pad, then the enormous impact power that produces during iron hammer hammering Da Shi is almost completely absorbed by the quality of Da Shi and broken, and the performing artist chest is harmless.
Concrete scheme of the present invention is: it is the suspension absorber block of vibrating mechanical equipment more than one times that its quality is set between vibrating mechanical equipment and installation aspect, vibrating mechanical equipment is connected employing State Intellectual Property Office in disclosed utility model patent of in October, 2007 " steel spring rubber composite vibration reducing the device " (patent No.: ZL200520062241.5 with the installation of suspension absorber block, patentee: Zheng Guoyao), vibrating mechanical equipment suspends and to be bearing in more than three on " the steel spring rubber composite vibration reducing device " as suspending medium, " steel spring rubber composite vibration reducing device " suspend be bearing in the suspension absorber block above, must screw or other fastening means fastening, be a kind of no fastening suspension Placement.The suspension absorber block suspends and is bearing in more than three as " the damping rubber post steel spring vibration damper " of the suspending medium last (patent No.: ZL200520062237.9, the open date: in February, 2007, patentee: Zheng Guoyao), " damping rubber post steel spring vibration damper " suspends and is bearing on the installation aspect, is must screw or the fastening no fastening suspension Placement of other fastening means equally.
In other words the suspension absorbing installation method of above-mentioned concrete scheme that is to say: vibratory equipment complete machine+steel spring rubber composite vibration reducing device+suspension absorber block+damping rubber post steel spring vibration damper---suspension absorbing installation method.
The design of suspension absorber block is the separating vibration source and absorbs the essential and the most effective core main body of vibration, it is core of the present invention place, the quality of suspension absorber block must surpass the vibratory equipment complete machine more than one times, purpose is to utilize the quality of suspension absorber block self to absorb to greatest extent and eliminate the vibration that the vibratory equipment transmission is got off, and the vibration inferior limit is delivered on the installation aspect.
The material of unsteady absorber block is to adopt Reinforced Concrete Materials, and advantage is that cost is low, and shortcoming is that volume is big.If the area of fabricating yard is less or spatial altitude is lower, then can adopt than great and other materials that volume is little, cast iron materials for example, the effect of its vibration and noise reducing is identical.
" steel spring rubber composite vibration reducing device " (patent No.: ZL200520062241.5) constitute by helical steel springs A and the rubber combined body of steel spring and other component, have remarkable and outstanding vibration damping, vibration isolation and noise reduction, be particularly suitable for eliminating the low frequency solid-borne sound transmission that causes because of mechanical vibration.
" damping rubber post steel spring vibration damper " (patent No.: ZL200520062237.9) by the damping rubber post, helical steel springs B and other component that the outer ring is enclosed with the damping rubber cover constitute, utilize the damping rubber post not only can vibration damping but also to have a damping constant big, resonance peak is faced upward the strong characteristics of system ability, be enclosed with the helical steel springs B acting in conjunction that damping rubber overlaps with the outer ring, free vibration is shortened dramatically decay time, vibration damping with remarkable assault, vibration isolation and noise reduction, it is transaudient to be particularly suitable for eliminating the low frequency configuration that causes at Stilt layer installation vibrating mechanical equipment.
Vibrating mechanical equipment starts, during operation, vibration equipment that is produced and noise are at first by steel spring rubber composite vibration reducing device vibration and noise reducing, remaining vibrational energy and noise transfer are to the absorber block that suspends, absorbed by the suspension absorber block and eliminate, a small amount of vibration that the suspension absorber block is produced and noise are again by the further vibration and noise reducing of damping rubber post steel spring vibration damper, make the vibration and the noise that are passed to the installation aspect be reduced to indivisible, it is extremely remarkable to eliminate vibration and anti noise, measure the evaluating method test through indoor sound environment quality, vibration and noise well below NBS " standard of environmental noise of urban area " (GB3096-1993) with " Code for sound insulation design of civil buildings " (GBJ118-1988).
The suspending medium of such scheme is to adopt steel spring rubber composite vibration reducing device and damping rubber post steel spring vibration damper, be specially adapted to the vibration and noise reducing high-power and vibration source that vibration is big, vibration and noise reducing for the relative less vibration source of power with vibration, the vibration and noise reducing of elevator main for example, then can adopt rubber damping pad as suspending medium, that is: rubber damping pad is supported in suspension below the underframe of elevator main vibration source, rubber damping pad suspends and is bearing in above the suspension absorber block, the bottom surface of suspension absorber block suspends and is bearing on the rubber damping pad, rubber damping pad suspends and to be bearing on the base that angle steel is welded into, and base is fastenedly connected on the installation aspect.That is: vibratory equipment complete machine+rubber damping pad+suspension absorber block+rubber damping pad.
According to the size of vibrating mechanical equipment power or the size of generation vibration and noise, the mode that can adopt the matchmaker that floats to mix installation, steel spring rubber composite vibration reducing device or damping rubber post steel spring vibration damper can be replaced as rubber damping pad, that is: vibratory equipment complete machine+rubber damping pad+suspension absorber block+damping rubber post steel spring vibration damper; Or: vibratory equipment complete machine+steel spring rubber composite vibration reducing device+suspension absorber block+rubber damping pad.Reach the effect of significant elimination vibration, vibration and noise reducing equally.
Advantage of the present invention is: it is remarkable to eliminate vibration and vibration insulation and noise reduction effect; install simple and convenient; cost is low; vibratory equipment can be installed adjusting under non-stop-machine state; especially for installing but vibration isolating effect is not obvious; and caused structure to transmit the transformation of the vibration system of low-frequency noise, and get instant result especially, reach the environmental protection purpose of the most effective elimination low-frequency vibration structure borne noise.
[description of drawings]
Below in conjunction with drawings and Examples the present invention is elaborated.
Fig. 1 is that the embodiment of the invention 1 variable frequency pump (30KW) adopts steel spring rubber composite vibration reducing device and damping rubber post steel spring vibration damper that the main schematic representation of looking is installed;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is that the embodiment of the invention 2 elevator mains adopt common rubber damping pad that the main schematic representation of looking is installed;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is that steel spring rubber composite vibration reducing device master looks schematic representation (amplification);
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is that damping rubber post steel spring vibration damper master looks schematic representation (amplification);
Fig. 8 is the plan view of Fig. 7.
Among the figure
1, variable-frequency motor 2, angle splice bar A 3, fastening screw A
4, adjusting screw A 5, underframe A 6, steel spring rubber composite vibration reducing device
7, angle splice bar B 8, fastening screw B 9, adjusting screw B
10, damping rubber post steel spring vibration damper 11, suspension absorber block A
12, aspect A 13, water pump (30KW) 14, elevator motor are installed
15, underframe B 16, rubber damping pad A 16a, adjustment sheet A
17, suspension absorber block B 18, rubber damping pad B 18a, adjustment sheet B
19, base 20, installation aspect B 21, gearbox
22, helical steel springs A 23, the rubber combined body of steel spring
24, damping rubber cover 25, damping rubber post 26, helical steel springs B
[embodiment]
Fig. 1 is that the master that the embodiment of the invention 1 variable frequency pump (30KW) adopts steel spring rubber composite vibration reducing device 6 and damping rubber post steel spring vibration damper 10 to install looks schematic representation, variable-frequency motor 1 and water pump (30KW) 13 fastening being installed on the underframe A5, two flank side surface of underframe A5 respectively are fastened with the angle splice bar A2 more than two, and A3 is fastening by fastening screw.Angle splice bar A2 is bearing on the steel spring rubber composite vibration reducing device 6 of equal number, and the levelness of regulating variable-frequency motor 1 and water pump (30KW) 13 by adjusting screw A4, make vertical shaft axis of variable-frequency motor 1 and water pump (30KW) 13 be in same horizontal position, steel spring rubber composite vibration reducing device 6 suspend be placed in suspension absorber block A11 above, must screw or other fastening means fastening, be a kind of no fastening suspension Placement.Two flank side surface of suspension absorber block A11 respectively are fastened with the angle splice bar B7 more than two, and B8 is fastening by fastening screw.Angle splice bar B7 suspends and is bearing on the damping rubber post steel spring vibration damper 10 of equal number, and the levelness of regulating variable-frequency motor 1 and water pump (30KW) 13 by adjusting screw B9, make vertical shaft axis of variable-frequency motor 1 and water pump 13 be in same par position, damping rubber post steel spring vibration damper 10 suspends and is placed in above the installation aspect A12, must screw or other fastening means fastening, be a kind of no fastening suspension Placement.
" steel spring rubber composite vibration reducing device " (patent No.: ZL200520062241.5) constitute by helical steel springs A22 and the rubber combined body 23 of steel spring and other component, have remarkable and outstanding vibration damping, vibration isolation and noise reduction, be particularly suitable for eliminating the low frequency solid-borne sound transmission that causes because of mechanical vibration.
" damping rubber post steel spring vibration damper " (patent No.: ZL200520062237.9) by damping rubber post 25, helical steel springs B26 and other component that the outer ring is enclosed with damping rubber cover 24 constitute, utilize the damping rubber post 25 not only can vibration damping but also to have a damping constant big, resonance peak is suppressed the strong characteristics of ability, be enclosed with the helical steel springs B26 acting in conjunction of damping rubber cover 24 with the outer ring, free vibration is shortened dramatically decay time, has significantly outstanding vibration damping, vibration isolation and noise reduction, it is transaudient to be particularly suitable for eliminating the low frequency configuration that causes at Stilt layer installation vibrating mechanical equipment.
When variable-frequency motor 1 and water pump 13 start operation, vibration equipment that is produced and noise are at first by steel spring rubber composite vibration reducing device 6 vibration and noise reducings, remaining vibrational energy and noise transfer absorb to the absorber block A11 that the suspends absorber block A11 that suspended, a small amount of vibration that suspension absorber block A11 is produced and noise are again by damping rubber post steel spring vibration damper 10 further vibration and noise reducings, the vibration and the noise that are passed to installation aspect A12 are very little, it is extremely remarkable to eliminate vibration and anti noise, after tested well below NBS " standard of environmental noise of urban area " (GB3096-1993) with " Code for sound insulation design of civil buildings " (GBJ118-1988).
Embodiment 1 is particularly useful for eliminating vibration and the noise that high-power machinery equipment is produced.
Fig. 3 is that the master that the embodiment of the invention 2 elevator mains adopt common rubber damping pad to install looks schematic representation, elevator motor 14 and gearbox 21 fastening being installed on the underframe B15, each suspends the both sides of underframe B15 bottom surface and to be bearing on the rubber damping pad A16 more than two, and the levelness of regulating elevator motor 14 and gearbox 21 by adjustment sheet A16a, make vertical shaft axis of elevator motor 14 and gearbox 21 be in same horizontal position, rubber damping pad A16 suspend be placed in suspension absorber block B17 above, must screw or other fastening means fastening, be a kind of no fastening suspension Placement.Each suspends the both sides of suspension absorber block B17 bottom surface and to be bearing on the rubber damping pad B18 more than two, and, make vertical shaft axis of elevator motor 14 and gearbox 21 be in same horizontal position by the levelness that adjustment sheet B18a regulates elevator motor 14 and gearbox 21.Rubber damping pad B18 suspends and is placed on the base 19 that is welded into by channel-section steel, also is no fastening suspension Placement.Base 19 is fastenedly connected with installation aspect B20, and is fastening by fastening screw.
The present invention can replace installation mutually with rubber damping pad A16 with the steel spring rubber composite vibration reducing device among the embodiment 6 according to the size of vibrating mechanical equipment power or the size of generation vibration and noise; Damping rubber bolt steel spring vibration damper 10 can be replaced installation mutually with rubber damping pad B18, and promptly adopt and mix mounting type, for example:
Steel spring rubber composite vibration reducing device+suspension absorber block+rubber damping pad;
Damping rubber post steel spring vibration damper+suspension absorber block+rubber damping pad.
Core of the present invention place is, design has the suspension absorber block in installation method, and be that a kind of nothing is fastenedly connected mode, the suspension absorber block is suspended among the suspending medium, present vibration and noise reducing installation method still finds no the example of using the suspension absorber block, the vibration and noise reducing installation method of all application suspension absorber blocks all has conflict to the present invention.
Claims (5)
1, a kind of installation method of eliminating mechanical equipment vibration and noise, it is characterized in that a kind of suspension absorbing installation method, variable-frequency motor (1) and water pump (13) are fastening to be installed on the underframe A (5), two flank side surface of underframe A (5) respectively are fastened with the angle splice bar A (2) more than two, fastening by fastening screw (3), angle splice bar A (2) is bearing on the steel spring rubber composite vibration reducing device (6) of equal number, and the levelness of regulating variable-frequency motor (1) and water pump (13) by adjusting screw A (4), make vertical shaft axis of variable-frequency motor (1) and water pump (13) be in same horizontal position, steel spring rubber composite vibration reducing device (6) suspend be placed in suspension absorber block A (11) above, must screw or other fastening means fastening, it is a kind of no fastening suspension Placement, two flank side surface of suspension absorber block A (11) respectively are fastened with the angle splice bar B (7) more than two, fastening by fastening screw B (8), angle splice bar B (7) suspends and is bearing on the damping rubber post steel spring vibration damper (10) of equal number, and the levelness of regulating variable-frequency motor (1) and water pump (13) by adjusting screw B (9), make vertical shaft axis of variable-frequency motor (1) and water pump (13) be in same horizontal position, damping rubber post steel spring vibration damper (10) suspends and is placed in above the installation aspect A (12), must screw or other fastening means fastening, be a kind of no fastening suspension Placement.
2, a kind of installation method of eliminating mechanical equipment vibration and noise, it is characterized in that: elevator motor (14) and gearbox (21) are fastening to be installed on the underframe B (15), each suspends the both sides of underframe B (15) bottom surface and to be bearing on the rubber damping pad A (16) more than two, and the levelness of regulating elevator motor (14) and gearbox (21) by adjustment sheet A (16a), make vertical shaft axis of elevator motor (14) and gearbox (21) be in same horizontal position, rubber damping pad A (16) suspend be placed in suspension absorber block B (17) above, must screw or other fastening means fastening, it is a kind of no fastening suspension Placement, each suspends the both sides of suspension absorber block B (17) bottom surface and to be bearing on the rubber damping pad B (18) more than two, and the levelness of regulating elevator motor (14) and gearbox (21) by adjustment sheet B (18a), make vertical shaft axis of elevator motor (14) and gearbox (21) be in same horizontal position, rubber damping pad B (18) suspends and is placed on the base (19) that is welded into by channel-section steel, it also is no fastening suspension Placement, base (19) is fastenedly connected with aspect B (20) is installed, and is fastening by fastening screw.
3, a kind of installation method of eliminating mechanical equipment vibration and noise according to claim 1 is characterized in that: steel spring rubber composite vibration reducing device can be replaced by rubber damping pad A, and damping rubber post steel spring vibration damper can be replaced by rubber damping pad B.
4, a kind of installation method of eliminating mechanical equipment vibration and noise according to claim 1 is characterized in that: the quality of suspension absorber block A (11) is that the quality of vibratory equipment complete machine is more than one times.
5, a kind of installation method of eliminating mechanical equipment vibration and noise according to claim 2 is characterized in that: the quality of suspension absorber block B (17) is that the quality of vibratory equipment complete machine is more than one times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100313839A CN100516586C (en) | 2007-11-15 | 2007-11-15 | Installation method for removing vibration and noise of mechanical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100313839A CN100516586C (en) | 2007-11-15 | 2007-11-15 | Installation method for removing vibration and noise of mechanical equipment |
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| CN101182870A CN101182870A (en) | 2008-05-21 |
| CN100516586C true CN100516586C (en) | 2009-07-22 |
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| CNB2007100313839A Expired - Fee Related CN100516586C (en) | 2007-11-15 | 2007-11-15 | Installation method for removing vibration and noise of mechanical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101699098B (en) * | 2009-10-30 | 2011-09-21 | 奇瑞汽车股份有限公司 | Steering system dynamic vibration absorber and design method thereof |
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2007
- 2007-11-15 CN CNB2007100313839A patent/CN100516586C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699098B (en) * | 2009-10-30 | 2011-09-21 | 奇瑞汽车股份有限公司 | Steering system dynamic vibration absorber and design method thereof |
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| CN101182870A (en) | 2008-05-21 |
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