CN202594564U - Machine-room-less elevator vibration isolation system - Google Patents
Machine-room-less elevator vibration isolation system Download PDFInfo
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- CN202594564U CN202594564U CN 201220169191 CN201220169191U CN202594564U CN 202594564 U CN202594564 U CN 202594564U CN 201220169191 CN201220169191 CN 201220169191 CN 201220169191 U CN201220169191 U CN 201220169191U CN 202594564 U CN202594564 U CN 202594564U
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- elevator
- vibration isolation
- machine
- vibration
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Abstract
The utility model discloses a machine-room-less elevator vibration isolation system, wherein a vibration isolation support is arranged on the sidewall of the top of a well for the elevator to run; a rubber vibration isolator is arranged on the vibration isolation support; and the main steel beam of the elevator is mounted on the vibration isolation support through the rubber vibration isolator. The machine-room-less elevator vibration isolation system is characterized in that the main steel beam of the elevator is separated from a building structure, and the low-frequency rubber vibration isolator having a multidirectional bearing capability is mounted under the main steel beam of the elevator so as to attenuate the vibration of the elevator propagated through the main steel beam; furthermore, two support beams are added in a direction perpendicular to the main steel beam of the elevator so that the elevator bearing structure forms a U-shaped stable structure; a counter weight is added to the support beams to increase the dead weight of the system and the improve the stability of the system, and also improve the vibration isolation performance; and besides, elastic vibration isolation limits are added in the lateral direction of the support beams, thereby preventing accidental overturn and guaranteeing the security of the elevator.
Description
Technical field
The utility model relates to the vibration insulation and noise reduction technical field, particularly relates to a kind of machine-roomless lift vibrating isolation system.
Background technology
The organic relatively machine room-free elevator of machine-roomless lift; Utilize modern advanced with elevator traction machine, control element miniaturization as far as possible under the prerequisite that keeps original performance; Originally the equipment such as towing machine in the elevator(lift) machine room, control housing, velocity limiter that were placed on are moved in the elevator hoistways space, can be divided into usually in well headroom, bottom or three kinds of forms of sidewall, thereby cancel original elevator(lift) machine room; Saved building space; Reduce building cost, therefore obtained developing rapidly, become an important developing direction of present elevator industry.
The manufacturer of part elevator can be provided with rubber damper between towing machine pedestal and girder steel, to reach the purpose that preliminary alleviation vibration noise is propagated.
Traction machine of elevator without engine room is installed on the main girder steel usually, and main girder steel is directly installed on the building hoistway bearing wall.Elevator is in operation vibration noise that towing machine produced all through the building structure transmission, so the solid-borne noise conduction is the overriding noise source that influences hoistway adjacent area acoustic environment.Part machine-roomless lift producer adopts rubber damper as the shock attenuation unit that reduces solid-borne noise at present.
Rubber damper is solid rubber block, belongs to comparatively simple compression-type shock attenuation unit.The rubber damper major advantage is the obstruct with high-frequency structure vibration, and shock resistance and sound insulation property can satisfy the requirement of rigidity and intensity.But also there is certain shortcoming in compression-type rubber damping device, at first is that its natural frequency is higher, and generally all greater than 15Hz, the damping efficiency of low frequency configuration noise is lower, and the propagation of elevator traction machine vibration noise mainly is the low frequency configuration noise; Next is that rubber damper is relatively poor to the working environment comformability, is easy to generate aging and performance degradation; Under long-term static weight effect, also creep may appear, need periodic inspection, in time change.
The utility model content
The technical matters that (one) will solve
The technical matters that the utility model will solve is to reduce the natural frequency of present traction machine of elevator without engine room shock attenuation unit; Improve the damping efficiency of low frequency configuration noise; The stability of improvement system, the service life of prolongation shock attenuation unit is to remedy the deficiency of existing damping technology.
(2) technical scheme
In order to solve the problems of the technologies described above; The utility model provides a kind of machine-roomless lift vibrating isolation system; The well headroom sidewall of operation elevator is provided with the vibration isolation bracing frame; Said vibration isolation bracing frame is provided with rubber shock absorber, and elevator master girder steel is installed on the vibration isolation bracing frame through said rubber shock absorber.
Wherein, also comprise counterweight element, it is provided with perpendicular to said elevator master girder steel.
Wherein, said counterweight element comprises two parallel strutbeams that are provided with perpendicular to said elevator master girder steel, and is arranged on the mass on the said strutbeam.
Wherein, the two ends of said strutbeam are respectively arranged with position-limiting unit, and said position-limiting unit is the elastic vibration isolation device.
Wherein, the shore hardness of said rubber shock absorber is 40～60 degree.
(3) beneficial effect
The machine-roomless lift vibrating isolation system that technique scheme provided is separated from elevator master girder steel and building structure, and elevator master girder steel is installed the low frequency rubber shock absorber with multidirectional bearing capacity down, with the vibration of decay elevator through main girder steel propagation; Further, increasing the twice strutbeam perpendicular to elevator master girder steel direction, making the elevator load bearing structure form the rock-steady structure of U font, and on strutbeam, increase counterweight, deadweight of increase system and stability improve anti-vibration performance; It is spacing that the strutbeam side direction increases elastic vibration isolation, prevents accident and topple, and guarantees elevator safety.
Description of drawings
Fig. 1 is the structural representation of the machine-roomless lift vibrating isolation system of the utility model embodiment;
Fig. 2 is the A-A section-drawing of Fig. 1.
Wherein, 1: towing machine; 2: velocity limiter; 3: car; 4: guide rail; 5: main girder steel; 5-1: strutbeam; 6: mass; 7: position-limiting unit; 8: rubber shock absorber; 9: the vibration isolation bracing frame; 10: hoistway.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Fig. 1 shows the structural representation of the machine-roomless lift vibrating isolation system of present embodiment, and Fig. 2 is its A-A section-drawing.With reference to diagram, mainly on elevator master girder steel 5, similar with prior art is the vibrating isolation system improvement of present embodiment; The towing machine 1 of elevator still is arranged on the main girder steel 5; Velocity limiter 2 is arranged on the cage guide 4, and car 3 is positioned at hoistway 10 centers, and main girder steel 5 is positioned at a side of car 3; Different with prior art is, in this enforcement main girder steel 5 is separated from building structure, and main girder steel is installed the low frequency rubber shock absorber 8 with multidirectional bearing capacity 5 times, with the vibration of decay elevator through main girder steel 5 propagation.
Particularly; Be provided with vibration isolation bracing frame 9 on the hoistway 10 top sidewalls of operation elevator; Rubber shock absorber 8 is arranged on the vibration isolation bracing frame 9; Elevator master girder steel 5 is installed on the vibration isolation bracing frame 9 through rubber shock absorber 8, and promptly rubber shock absorber 8 is clamped between vibration isolation bracing frame 9 and the elevator master girder steel 5, with the vibration of decay elevator through main girder steel 5 propagation.
Break off the stability of the horizontal direction of other back elevators that are rigidly connected for assurance; Present embodiment is provided with counterweight element perpendicular to elevator master girder steel 5; It comprises two parallel strutbeam 5-1 that are provided with perpendicular to elevator master girder steel 5; And be arranged on the mass 6 on the strutbeam 5-1, and strutbeam 5-1 is installed on the hoistway 10, and mass 6 can be selected counterweights such as iron sand commonly used, ferro-concrete for use.After strutbeam 5-1 is set, combine with main girder steel 5, the elevator load bearing structure forms the rock-steady structure of U font, especially on strutbeam 5-1, increases counterweight, and deadweight of increase system and stability improve anti-vibration performance.
In the present embodiment, the two ends of strutbeam 5-1 are respectively arranged with position-limiting unit 7, and position-limiting unit 7 adopts the elastic vibration isolation device, prevents accident and topples, and guarantees elevator safety.
Rubber shock absorber 8 preferably has the JYT series low frequency rubber shock absorber of multidirectional bearing capacity, and it has special rubber vibration isolation structure, can obtain relatively low natural frequency, thereby improve the vibration isolation efficiency of system greatly.The main technical details of this vibration isolator satisfies: shore hardness 40～60 degree; Have vertical tension and horizontal shearing resistance simultaneously.When practical application, design the counterweight element of Different Weight and the rubber shock absorber of different size according to the size of elevator actual bearer weight range, to realize the optimization proportioning of elevator each side function.
Use the machine-roomless lift vibrating isolation system of present embodiment; When it is applied in the place residential building elevator vibration isolation engineering; The noise that records in the top layer resident family bedroom before administering is 42～46dB (A), and after elevator device was installed additional JYT elevator special (purpose) rubber vibration isolator+counterweight and the spacing vibration isolation unit of side direction, noise was reduced to big bedroom 25.5dB (A) in the actual measurement top layer resident family bedroom; Cubicle 31.3dB (A), vibration isolating effect is quite obvious.
Can be found out that by above embodiment the utility model is separated from elevator master girder steel and building structure, elevator master girder steel is installed the low frequency rubber shock absorber with multidirectional bearing capacity down, with the vibration of decay elevator through main girder steel propagation; Further, increasing the twice strutbeam perpendicular to elevator master girder steel direction, making the elevator load bearing structure form the rock-steady structure of U font, and on strutbeam, increase counterweight, deadweight of increase system and stability improve anti-vibration performance; It is spacing that the strutbeam side direction increases elastic vibration isolation, prevents accident and topple, and guarantees elevator safety.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.
Claims (5)
1. a machine-roomless lift vibrating isolation system is characterized in that, the well headroom sidewall of operation elevator is provided with the vibration isolation bracing frame, and said vibration isolation bracing frame is provided with rubber shock absorber, and elevator master girder steel is installed on the vibration isolation bracing frame through said rubber shock absorber.
2. machine-roomless lift vibrating isolation system as claimed in claim 1 is characterized in that, also comprises counterweight element, and it is provided with perpendicular to said elevator master girder steel.
3. machine-roomless lift vibrating isolation system as claimed in claim 2 is characterized in that, said counterweight element comprises two parallel strutbeams that are provided with perpendicular to said elevator master girder steel, and is arranged on the mass on the said strutbeam.
4. machine-roomless lift vibrating isolation system as claimed in claim 3 is characterized in that the two ends of said strutbeam are respectively arranged with position-limiting unit, and said position-limiting unit is the elastic vibration isolation device.
5. machine-roomless lift vibrating isolation system as claimed in claim 1 is characterized in that, the shore hardness of said rubber shock absorber is 40～60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169191 CN202594564U (en) | 2012-04-19 | 2012-04-19 | Machine-room-less elevator vibration isolation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169191 CN202594564U (en) | 2012-04-19 | 2012-04-19 | Machine-room-less elevator vibration isolation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202594564U true CN202594564U (en) | 2012-12-12 |
Family
ID=47312123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220169191 Expired - Fee Related CN202594564U (en) | 2012-04-19 | 2012-04-19 | Machine-room-less elevator vibration isolation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202594564U (en) |
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2012
- 2012-04-19 CN CN 201220169191 patent/CN202594564U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20140419 |