CN105712166A - Vibration isolation system for elevator machine room - Google Patents
Vibration isolation system for elevator machine room Download PDFInfo
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- CN105712166A CN105712166A CN201410721879.9A CN201410721879A CN105712166A CN 105712166 A CN105712166 A CN 105712166A CN 201410721879 A CN201410721879 A CN 201410721879A CN 105712166 A CN105712166 A CN 105712166A
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- machine room
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- vibration
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Abstract
The invention discloses a vibration isolation system for an elevator machine room. The vibration isolation system is composed of an elastic vibration isolation layer, a rigid quality layer, a bearing platform, installation steel plates, flexible hole connectors, a vibration isolation limiting cushion and sealing trimming strips. According to the elastic vibration isolation layer, the rigid quality layer and the bearing platform are arranged on a plurality of vibration isolation elements which are arranged on a floor slab of the machine room. The rigid quality layer and the beating platform are cast in situ with concrete. The installation steel plates are firmly installed on the top of the bearing platform through bolts. The flexible hole connectors are arranged at hoist rope holes, cable holes and control pipelines holes between a floating vibration isolation structure of the machine room and the floor slab of the machine room. The vibration isolation limiting cushion is arranged between the rigid quality layer and a wall surface of the machine room. The sealing trimming strips are arranged between the wall surface of the machine room and the vibration isolation limiting cushion.
Description
Technical field
The present invention relates to a kind of to the transformation of elevator(lift) machine room Noise and Vibration Control, it is prevented that the elevator(lift) machine room vibrating isolation system that structural vibration solid is propagated.
Background technology
The express elevator that the elevator commonly used at present particularly skyscraper uses, the noise of initiation is complained day by day to be increased.Its impact is the most prominent with " solid borne noise " conduction processing bad initiation because of vibration isolation.The Main Noise Sources of elevator has electric machine rotation and current noise, reduction box running noise, the suction of internal contracting brake provided of elevator, converter electromagnetic radiation, switch board catalyst adhesive noise, car and to pouring weight main guide rail frictional noise, car door opening and closing noise etc..The environmental pollution of elevator is different from the common noise sources such as general blower fan, cooling tower, and its main circulation way is the construct noise transmitted by building structure based on low-frequency vibration pattern, and airborne takes second place.Elevator low-frequency noise and have that penetration power is strong, propagation distance remote, decay the characteristic such as slow.In order to ensure the reliability of elevator mounting structure, at present, when elevator main is installed, load-bearing girder steel stretches on elevator hoistways load bearing wall, and hoistway load bearing wall gun iron link prolongs body of wall, end face, pillar provide strong effective sound bearing medium.
At present, elevator installation company arranges rubber shock absorber between traction machine and load-bearing girder steel, to alleviate the propagation of traction machine vibration noise.And in running process of elevator, the vibration of elevator drive system belongs to self-excited vibration, affecting traction machine system disturbance frequency has motor speed and the rotating speed and the number of gears etc. of the number of poles of motor, reduction box.Its leading factor is that rotor rotates the master data causing that unbalance vibration, motor speed are calculating interfering frequency.Due to, running process of elevator constantly exists startup, braking, rotating, load simultaneously changes greatly, and the working time is short and starts frequently, and in the process, the interfering frequency of elevator traction machine is change.Meanwhile, traction machine variable-frequency driving technique is applied, and more elevator changes the frequency of motor and the rotating speed of Voltage Cortrol motor by converter vector controlled.The rotating speed of traction machine motor is also changed by between 0～power frequency rated speed.Being low frequency configuration acoustic propagation owing to the propagation of elevator traction machine vibration noise is master, and rubber shock absorber natural frequency is higher, damping efficiency can not meet the requirement effectively eliminating the propagation of traction machine structural vibration noise.Meanwhile, rubber shock absorber is poor to working environment adaptability, by such environmental effects such as sunshine, temperature, ozone, is easily generated performance change with aging, under the effect of long-time dead load, has creep.Therefore to make regular check on, change in time.
At present, elevator traction machine is noise control to arrange vibration insulating system between traction machine and load-bearing girder steel, it is possible to be effectively reduced the vibration solid transmission of traction machine.But, owing to elevator belongs to special equipment, " Safety Supervision on Special Equipment regulations " specify: the installation of elevator, transformation, maintenance, it is necessary to by elevator manufacturer or its by contract entrust, agree to according to " Safety Supervision on Special Equipment regulations " obtain permit unit carry out.The quality problems that quality of elevator and safe operation are related to by elevator manufacturer are responsible for.Elevator is installed, the written special safety equipment supervisory and management department in city informed municipality directly under the Central Government or set district of transformation, the installation that plan should be carried out before construction of unit in charge of construction of maintenance, transformation, repair.Between elevator traction machine and load-bearing girder steel, vibration insulating system is set and belongs to elevator modernization project, it is subject to the restriction of industry standard, repair and maintenance producer and the annual check systems such as " elevator engineering construction quality accident specification " GB50310-2002, the vibration isolation measure of elevator traction machine cannot be implemented, and causes that noise of elevator impact is difficult to eliminate.
Summary of the invention
The deficiency that the vibration noise produced after installing in order to avoid elevator disturbs residents, the present invention provides a kind of elevator(lift) machine room vibrating isolation system, this elevator(lift) machine room vibrating isolation system can not only intercept the transmission of elevator(lift) machine room vibration equipment effectively, and meet the industry standard requirements such as " elevator engineering construction quality accident specification " GB50310-2002, there is higher security performance.
The technical solution adopted for the present invention to solve the technical problems is: a kind of elevator(lift) machine room vibrating isolation system, is made up of elastic vibration isolation layer, rigid mass layer, bearing platform, installation steel plate, hole flexible interface, the spacing pad of vibration isolation, sealing trimming strip.Described elastic vibration isolation layer is made up of the multiple vibration isolation elements being arranged on machine room floor, is arranged above with rigid mass layer, bearing platform；Steel plate is installed firmly installed by bolt and bearing platform top；Hole flexible interface be arranged on machine room float build between vibration insulation structure and machine room floor traction cord hole, cable, control pipeline hole；The spacing pad of vibration isolation is arranged between rigid mass layer and machine room metope, seals trimming strip and is arranged between machine room metope and the spacing pad of vibration isolation.Rigid mass layer, bearing platform use concrete cast in situs, and rigid mass layer is formed independent of structure floor, vibrate together with being formed with device systems.The rigidity of rigid mass layer is higher, and quality is bigger, can be effectively improved the mass of vibration of vibrating isolation system, reduces amplitude, reduces vibration transfer ratio example, improves vibration isolating effect.But, the quality of rigid mass layer is bigger, and the load that machine room floor is increased is bigger, so, the quality of rigid mass layer should be determined within the scope of machine room floor charge of surety.Affect the quality of rigid mass layer and have the thickness of the quality of force-bearing steel plate structure, the quality of bar-mat reinforcement and concrete layer.
Elevator traction machine is arranged on spandrel girder, and switch board, limiter of speed are arranged on rigid mass layer.Described vibration isolation unit system damping spring vibration isolator, damping spring vibration isolator arranges on basis in array, extension damping spring vibration isolator under bearing platform；The useful load scope of all of damping spring vibration isolator is when when elevator no-load is static, minimum load and elevator run between peak load.Load assignment according to carrying installs damping spring vibration isolator, it is owing to elevator(lift) machine room area is little, according to elevator(lift) machine room equipment installation specification, traction machine main frame should be arranged on machine room side, and load-bearing girder steel is subject to elevator device primary load, if the equally distributed installation method of array that damping spring vibration isolator is conventionally, producing elevator(lift) machine room vibrating isolation system discontinuity, local overload is so that affecting vibration isolating effect.
When elevator no-load is static, minimum load includes rigid mass layer, bearing platform, traction machine main frame, car, counterweight, traction rope and the load such as compensation device, trailing cable deadweight；When elevator runs, peak load also includes the load of car full load and the additional duty of full load acceleration lifting when elevator no-load is static on the basis of minimum load.
The free-running frequence ratio of the natural frequency of described elastic vibration isolation layer and traction machine main frame takes 1/2.5～1/4.To ensure required vibration transfer ratio (or vibration isolation efficiency).The natural frequency of damping spring vibration isolator is low, it is possible to the low frequency effectively intercepting traction machine is propagated for structure-borne sound, good weatherability.
Described hole flexible interface is made up of two L-shaped rubber ethylene propylene diene rubbers, and the thickness of minor face is more than long limit.Installing hole flexible interface, minor face (15) order of L-shaped ethylene propylene diene rubber is arranged on machine room underfloor, rigid mass layer, uses glue adhesive agent to be connected with each other between the long limit in hole.Prevent foreign material from entering floating building in vibration insulation structure.
Described vibration isolation spacing pad system one-sided smooth, the rubber slab of one side profile of tooth, during installation, shiny surface leans on rigid mass layer direction.The rubber slab of profile of tooth can improve the elasticity of rubber slab, it is prevented that the vibration of rigid mass layer gets forwarded to building structure, causes vibration short circuit.Baseboard at the bottom of described sealing trimming strip system thickness, thickness, more than the thickness of the spacing pad of vibration isolation, seals the gap between trimming strip and rigid mass layer and uses silicone structure sealant to close.Prevent the gap entrance between greasy dirt and water entrance sealing trimming strip and the rigid mass layer of machine room from floating and build in vibration insulation structure, improve the weatherability of machine room vibration isolation system.
The invention has the beneficial effects as follows, it is possible to meet and effectively intercept the transmission of elevator(lift) machine room vibration equipment, and meet the industry standard requirements such as " elevator engineering construction quality accident specification " GB50310-2002, have higher security performance.Avoid elevator install after produce vibration noise disturb residents cause secondary transformation deficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the vertical section structural map of elevator(lift) machine room vibrating isolation system embodiment.
Fig. 2 is the vertical view structural map of the present invention.
1. elastic vibration isolation layer, 2. rigid mass layer, 3. bearing platform in figure, 4. install steel plate, 5. hole flexible interface, 6. the spacing pad of vibration isolation, 7. seals trimming strip, 8. vibration isolation unit, 9. load-bearing girder steel, 10. machine room floor, 11. hole, 12. structural facades, 13.L shape, 14. minor faces, 15. long limits.
Detailed description of the invention
In Fig. 1, the embodiment shown in 2, a kind of elevator(lift) machine room vibrating isolation system, is made up of elastic vibration isolation layer (1), rigid mass layer (2), bearing platform (3), installation steel plate (4), hole flexible interface (5), the spacing pad of vibration isolation (6), sealing trimming strip (7).Described elastic vibration isolation layer (1) is made up of the multiple vibration isolation units (8) being arranged on machine room floor, it is arranged above with bearing platform (3) and rigid mass layer (2), installing steel plate (4) firmly to be installed by bolt and bearing platform (3), load-bearing girder steel (9) is welded in installation steel plate (4)；Hole flexible interface (5) is arranged on the traction cord hole between rigid mass layer (2) and machine room floor (10), cable, control pipeline hole (11)；The spacing pad of vibration isolation (6) is arranged between rigid mass layer (2) and computer room structure facade (12), seals trimming strip (7) and is arranged between computer room structure facade (12) and the spacing pad of vibration isolation (6).
Elevator traction machine is arranged on load-bearing girder steel (9), and switch board, limiter of speed are arranged on rigid mass layer (2).Described vibration isolation unit (8) is damping spring vibration isolator, and damping spring vibration isolator arranges on basis in array, extension damping spring vibration isolator under bearing platform；The useful load scope of all of damping spring vibration isolator is when when elevator no-load is static, minimum load and elevator run between peak load.
The natural frequency of described elastic vibration isolation layer (1) takes 1/2.5～1/4 with the free-running frequence ratio of traction machine main frame.Described hole flexible interface (5) is made up of two L-shaped (13) ethylene propylene diene rubbers, and minor face (14) is arranged under rigid mass layer (2) and machine room floor (10), uses adhesive to be connected with each other between the long limit (15) in hole.
The spacing pad of described vibration isolation (6) is one-sided smooth, and the elastic rubber slab of one side profile of tooth, during installation, shiny surface leans on rigid mass layer (2) direction.Described sealing trimming strip (7) is thick end baseboard, and thickness, more than the thickness of the spacing pad of vibration isolation (6), seals the gap between trimming strip (7) and rigid mass layer (2) and uses silicone structure sealant to close.
During installation, can implement in accordance with the following steps:
1, cleaning elevator(lift) machine room floor (10) surface layer, on elevator(lift) machine room floor (10), the load assignment according to carrying installs damping spring vibration isolator；
2, force-bearing steel plate structure is set on damping spring vibration isolator, fills up welding between force-bearing steel plate structure；
3, laying bar-mat reinforcement in force-bearing steel plate structure and install bearing platform bar-mat reinforcement, each platform arranges two or four screw rods；Arranging the spacing pad of vibration isolation (6) between force-bearing steel plate structure and computer room structure facade (12), during installation, shiny surface leans on rigid mass layer direction, reserved traction cord hole, cable, control pipeline hole (11)；
4, cast in situs rigid mass layer (2) and bearing platform (3), floating and maintenance；
5, installing hole flexible interface (5), minor face (14) order of L-shaped (13) ethylene propylene diene rubber is arranged under machine room floor (10), on rigid mass layer (2), uses glue adhesive agent to be connected with each other between the long limit (15) in hole (11)；
6, installing steel plate (4) firmly to be installed by bolt and bearing platform (3), load-bearing girder steel (8) is welded in installation steel plate (4), installs traction machine, switch board, limiter of speed；
7, seal trimming strip (7) and be arranged between computer room structure facade (12) and the spacing pad of vibration isolation (6), seal the gap between trimming strip (7) and rigid mass layer (2) and use silicone structure sealant to close.
Should be appreciated that without departing from the scope of the present invention, it is possible to above-described embodiment is made multiple combination and change.All any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (7)
1. an elevator(lift) machine room vibrating isolation system, it is made up of elastic vibration isolation layer, rigid mass layer, bearing platform, installation steel plate, hole flexible interface, the spacing pad of vibration isolation, sealing trimming strip, it is characterized in that: described elastic vibration isolation layer is made up of the multiple vibration isolation elements being arranged on machine room floor, is arranged above with rigid mass layer, bearing platform；Steel plate is installed firmly installed by bolt and bearing platform top；Hole flexible interface be arranged on machine room float build between vibration insulation structure and machine room floor traction cord hole, cable, control pipeline hole；The spacing pad of vibration isolation is arranged between rigid mass layer and computer room structure facade, seals trimming strip and is arranged between machine room metope and the spacing pad of vibration isolation.
2. elevator(lift) machine room vibrating isolation system according to claim 1, is characterized in that: load-bearing girder steel is welded on installation steel plate, and elevator traction machine is arranged on spandrel girder, and switch board, limiter of speed are arranged on rigid mass layer.
3. elevator(lift) machine room vibrating isolation system according to claim 1, is characterized in that: described vibration isolation unit system damping spring vibration isolator, and damping spring vibration isolator arranges on basis in array, extension damping spring vibration isolator under bearing platform；The useful load scope of all of damping spring vibration isolator is when when elevator no-load is static, minimum load and elevator run between peak load.
4. elevator(lift) machine room vibrating isolation system according to claim 1, is characterized in that: the free-running frequence ratio of the natural frequency of described elastic vibration isolation layer and traction machine main frame takes 1/2.5～1/4.
5. elevator(lift) machine room vibrating isolation system according to claim 1, is characterized in that: described hole flexible interface is by L-shaped ethylene propylene diene rubber, and the thickness of minor face is more than long limit.
6. elevator(lift) machine room vibrating isolation system according to claim 1, is characterized in that: described vibration isolation spacing pad system one-sided smooth, and the rubber slab of one side profile of tooth, during installation, shiny surface leans on rigid mass layer direction.
7. elevator(lift) machine room vibrating isolation system according to claim 1, is characterized in that: baseboard at the bottom of described sealing trimming strip system thickness, thickness, more than the thickness of the spacing pad of vibration isolation, seals the gap between trimming strip and rigid mass layer and uses silicone structure sealant to close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721879.9A CN105712166A (en) | 2014-12-03 | 2014-12-03 | Vibration isolation system for elevator machine room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721879.9A CN105712166A (en) | 2014-12-03 | 2014-12-03 | Vibration isolation system for elevator machine room |
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| Publication Number | Publication Date |
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| CN105712166A true CN105712166A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410721879.9A Pending CN105712166A (en) | 2014-12-03 | 2014-12-03 | Vibration isolation system for elevator machine room |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365020A (en) * | 2016-12-07 | 2017-02-01 | 常州工邦减振设备有限公司 | Novel elevator tractor belt swing-resistant damping device |
| CN107200246A (en) * | 2017-08-01 | 2017-09-26 | 苏州天宇润电梯部件有限公司 | A kind of damping type elevator control cabinet |
| CN107859194A (en) * | 2017-09-15 | 2018-03-30 | 哈尔滨工业大学 | Overall float builds formula disturbance rejection single-stage every micro- platform that shakes |
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| JP2012166917A (en) * | 2011-02-15 | 2012-09-06 | Toshiba Elevator Co Ltd | Elevator |
| CN202542650U (en) * | 2012-03-31 | 2012-11-21 | 北京市劳动保护科学研究所 | Damping spring vibration isolation system for elevator tractor |
| CN202690875U (en) * | 2012-03-31 | 2013-01-23 | 北京市劳动保护科学研究所 | Rubber vibration isolation system for elevator traction machine |
| CN103696508A (en) * | 2014-01-03 | 2014-04-02 | 厦门嘉达声学技术有限公司 | Floating construction vibration isolation structure |
| CN203743298U (en) * | 2014-04-03 | 2014-07-30 | 广东富康电梯有限公司 | Damping device for elevator traction machine |
| CN204416864U (en) * | 2014-12-03 | 2015-06-24 | 林洁 | Elevator(lift) machine room vibrating isolation system |
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2014
- 2014-12-03 CN CN201410721879.9A patent/CN105712166A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012166917A (en) * | 2011-02-15 | 2012-09-06 | Toshiba Elevator Co Ltd | Elevator |
| CN202542650U (en) * | 2012-03-31 | 2012-11-21 | 北京市劳动保护科学研究所 | Damping spring vibration isolation system for elevator tractor |
| CN202690875U (en) * | 2012-03-31 | 2013-01-23 | 北京市劳动保护科学研究所 | Rubber vibration isolation system for elevator traction machine |
| CN103696508A (en) * | 2014-01-03 | 2014-04-02 | 厦门嘉达声学技术有限公司 | Floating construction vibration isolation structure |
| CN203743298U (en) * | 2014-04-03 | 2014-07-30 | 广东富康电梯有限公司 | Damping device for elevator traction machine |
| CN204416864U (en) * | 2014-12-03 | 2015-06-24 | 林洁 | Elevator(lift) machine room vibrating isolation system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365020A (en) * | 2016-12-07 | 2017-02-01 | 常州工邦减振设备有限公司 | Novel elevator tractor belt swing-resistant damping device |
| CN106365020B (en) * | 2016-12-07 | 2018-08-21 | 常州工邦减振设备有限公司 | A kind of novel elevator tractor belt is anti-to wave vibration absorber |
| CN107200246A (en) * | 2017-08-01 | 2017-09-26 | 苏州天宇润电梯部件有限公司 | A kind of damping type elevator control cabinet |
| CN107859194A (en) * | 2017-09-15 | 2018-03-30 | 哈尔滨工业大学 | Overall float builds formula disturbance rejection single-stage every micro- platform that shakes |
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Application publication date: 20160629 |
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