CN208932748U - A kind of vibration damping lift car - Google Patents
A kind of vibration damping lift car Download PDFInfo
- Publication number
- CN208932748U CN208932748U CN201821496921.1U CN201821496921U CN208932748U CN 208932748 U CN208932748 U CN 208932748U CN 201821496921 U CN201821496921 U CN 201821496921U CN 208932748 U CN208932748 U CN 208932748U
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- China
- Prior art keywords
- clump weight
- elastic component
- sedan
- lift car
- lifting seat
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Abstract
The utility model discloses a kind of vibration damping lift car, and including sedan-chair frame and the powered shock absorption device being fixed on sedan-chair frame, the powered shock absorption device includes: clump weight；First elastic component acts between sedan-chair frame and the clump weight；Second elastic component, the second elastic component one end are the force side with the clump weight phase separation, and the other end is adjustable side；Driving mechanism acts between sedan-chair frame and the adjustable side, by driving the second elastic component deformation to adjust the intrinsic frequency of the powered shock absorption device.The utility model reduces the vibration of lift car by the intrinsic frequency of real-time motivation of adjustment shock-absorbing means, improves lift car traveling comfort and comfort.
Description
Technical field
The utility model belongs to elevator antivibration area more particularly to a kind of vibration damping lift car.
Background technique
Cage type elevator using extremely wide, and the structure of cage type elevator with and application thereof determine peace that cage type elevator runs
Full property requires high.With socio-economic development, skyscraper increases, and the use of elevator is more and more frequent, while people couple
The safety of elevator and the requirement of comfort are also higher and higher.
In order to improve the comfort level that passenger takes elevator, elevator manufacturer is often in crosshead sheave and sedan-chair frame and sedan-chair frame and sedan-chair
Increase spring or rubber absorbing pad between compartment to achieve the purpose that absorbing.Spring or rubber absorbing pad are all profiled parts, once
It produces, rigidity cannot be adjusted, and elevator will receive the dry of the exciting force of different frequency in hoistway operation
It disturbs, once a certain frequency is close with the intrinsic frequency of lift car, resonance will be generated, to influence the running stability of elevator
And comfort level.
Utility model content
The purpose of this utility model is to provide a kind of vibration damping lift cars, pass through consolidating for real-time motivation of adjustment shock-absorbing means
There is frequency, reduce the vibration of lift car, improves lift car traveling comfort and comfort.
A kind of vibration damping lift car, including sedan-chair frame and the powered shock absorption device being fixed on sedan-chair frame, the dynamic absorber dress
It sets and includes:
Clump weight；
First elastic component acts between sedan-chair frame and the clump weight；
Second elastic component, the second elastic component one end are the force side with the clump weight phase separation, and the other end is to adjust
End；
Driving mechanism acts between sedan-chair frame and the adjustable side, by driving the second elastic component deformation to adjust
Save the intrinsic frequency of the powered shock absorption device.
Vibration on sedan-chair frame is transferred to dynamic absorber using the method for vibration transfer by the lift car of the utility model
On device, influenced so as to avoid car body by the vibration of sedan-chair frame.
In carriage operational process, sedan-chair frame can generate the vibration of different frequency, and powered shock absorption device is by changing certainly at this time
The intrinsic frequency of body improves lift car traveling comfort and comfort to keep the preferably effectiveness in vibration suppression to sedan-chair frame.
Several optional ways also provided below, but be not intended as the additional qualification to above-mentioned overall plan, only into
The supplement of one step is preferred, and under the premise of no technology or logical contradiction, each optional way can be individually for above-mentioned totality side
Case is combined, and be can also be and is combined between multiple optional ways.
Preferably, the powered shock absorption device further includes the bottom plate for being fixed on sedan-chair top of the trellis, the clump weight passes through the
One elastic component is mounted on bottom plate, and the driving mechanism includes the motor being mounted on the bottom plate and motor-driven by this
The adjustable side of lifting seat, second elastic component is connected with the lifting seat.
The setting of bottom plate strengthens the integraty of device, convenient for the installation and maintenance of device, and changes in powered shock absorption device
When becoming itself intrinsic frequency, drives lifting seat to drive the second elastic component deformation by motor, it is high to adjust convenient and degree of regulation.
Preferably, the bottom surface of the clump weight offers mounting groove, the lifting seat is located at the lower section of the mounting groove, institute
The force side for stating the second elastic component is protruded into mounting groove to offset with clump weight, the adjustable side of second elastic component and the lifting
The top surface of seat offsets.
Second elastic component is mounted in the mounting groove of clump weight, so that in the case where clump weight and sedan-chair frame are equidistant,
Second elastic component has bigger installation space, i.e., adjusts space with bigger deformation, increase the intrinsic of powered shock absorption device
The adjustment width of frequency.
Preferably, transmission is combined with the lead screw arranged vertically, the lifting seat and the silk on the output shaft of the motor
Thick stick is threadedly engaged, and the powered shock absorption device further includes guiding lifting seat to move up and down and limit lifting seat to rotate with lead screw
Guiding mechanism.
Preferably, the guiding mechanism is the guide rail matched with lifting seat edge, the guide rail be fixedly mounted on bottom plate or
On clump weight.
Preferably, the guiding mechanism is the guide groove matched with lifting seat edge, and the guide groove is provided with institute
It states on the cell wall of mounting groove.
Preferably, being fixed with the guide rod extended towards sedan-chair frame side on the clump weight, first elastic component is set
The first spring being located on corresponding guide rod, the both ends of the first spring are abutted with clump weight bottom surface and plate top surface respectively.
Guide rod is set on the first spring, so that clump weight is displaced along the setting direction of the first spring, maintains to match
The stability of pouring weight setting, and powered shock absorption device is made to keep optimal absorbing state.
Moreover, the settable limiting slot in the corresponding position of bottom plate, for the insertion of guide rod, clump weight is led in reinforcement
To effect.Certainly, guide rod can also keep at a distance with bottom plate so that in the vibration processes of clump weight, guide rod and bottom plate it
Between without additional binding force, only limited by the first spring, reduce the frictional force that is subject to of guide rod, improve the vibration damping of device
Effect.
Preferably, first elastic component at least there are two, and be arranged in the neighboring area of the clump weight.
When the first elastic component is two, it is preferably symmetricly set on the neighboring area of clump weight, is existed to avoid clump weight
Topple in vibration processes to side；When the first elastic component is more than two, preferably ring cloth is in the neighboring area of clump weight.
The vibration damping lift car of the utility model, by changing the deformation of the second elastic component in powered shock absorption device, with
The intrinsic frequency of motivation of adjustment shock-absorbing means keeps the preferably effectiveness in vibration suppression to sedan-chair frame；Pass through in powered shock absorption device
One elastic component limits the vibration direction of displacement of clump weight, clump weight is avoided to topple over to side, to improve the reliable of device work
Property has excellent stability lift car and comfort.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
Fig. 3 is the model of vibration rough schematic view of entire carriage in the prior art；
Fig. 4 is the equivalent schematic of dynamic absorber principle in the prior art；
Fig. 5 is the vibration control method flow diagram of the vibration damping lift car of the utility model；
Fig. 6 is the intrinsic frequency regulation flow process block diagram of the powered shock absorption device of the utility model.
In figure: 1, clump weight；2, motor；3, the first spring；4, bottom plate；5, bolt；6, lifting seat；7, guide rod；8, pacify
Tankage；9, second spring；10, screw rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to better describe and illustrate embodiments herein, one or more attached drawing can refer to, but attached for describing
The additional detail or example of figure be not construed as creating the utility model of the application, current described embodiment or excellent
Select the limitation of the range of any one in mode.
It should be noted that when component be referred to as with another component " connection " when, it can directly with another component
It connects or there may also be components placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
As shown in Fig. 1~2, a kind of vibration damping lift car should including sedan-chair frame and the powered shock absorption device being fixed on sedan-chair frame
Lift car shifts the vibration on sedan-chair frame at runtime, by powered shock absorption device, thus realize the stable operation of lift car,
Improve the comfort level of lift car.
Powered shock absorption device includes the bottom plate 4 for being fixed on sedan-chair top of the trellis, which is equipped at least two fixation holes,
And the connection of bottom plate 4 and sedan-chair frame is realized by the bolt 5 through fixation hole.
The surface of bottom plate 4 is equipped with the motor 2 as driving mechanism, and is connected with clump weight 1 by motor 2.
Wherein, be rotatably assorted the screw rod 10 arranged vertically on the output shaft of motor 4, has been threadedly engaged lifting on screw rod 10
Seat 6, in order to convert the movement of lifting seat 6 along the vertical direction for screw rod 10, installs guiding mechanism on bottom plate 4, leads
Include the guide rail matched with 6 edge of lifting seat to mechanism, is moved up and down by rail guidance lifting seat 6 and limit lifting seat 6
It is rotated with lead screw 10.
In clump weight 1 and sedan-chair frame in lesser situation, for the displacement range for expanding lifting seat 6, at the bottom of clump weight 1
Face opens up mounting groove 8, and lifting seat 6 is arranged in the lower section of the mounting groove 8.
Powered shock absorption device further includes the second elastic component, which is the force with 1 phase separation of clump weight
End, the other end are the adjustable side with driving mechanism phase separation.Drive the second elastic component deformation to adjust power by driving mechanism
The quantity of the intrinsic frequency of shock-absorbing means, the second elastic component can be according to the size of clump weight 1 or the intrinsic frequency of powered shock absorption device
Depending on the width adjusted needed for rate, when there is more second elastic components, the second elastic component is arranged successively fixation.
It is second spring 9 that the second elastic component is taken in the present embodiment, and the quantity of second spring 9 is one, second spring 9
Force side is protruded into mounting groove 8 and offsets with clump weight 1, and the adjustable side of second spring 9 and the top surface of lifting seat 6 offset, and motor 2
Screw rod 10 be located at the middle part of second spring 9, distance is equipped between screw rod 10 and clump weight 1, in the motion process of lifting seat 6
In, screw rod 10 and clump weight 1 are without directly contacting.
In other embodiments, the guiding mechanism matched with lifting seat 6, which can also be, to be fixedly mounted on clump weight 1
Guide rail；Guide groove on the cell wall for the mounting groove 8 for being either provided with clump weight 1, guide groove are matched with 6 edge of lifting seat.
In other embodiments, the second elastic component can also be other elastic components, such as spring leaf, by changing spring leaf
Span realize powered shock absorption device intrinsic frequency adjusting.
It should be noted that being arranged between screw rod 10 and clump weight 1 in the present embodiment without directly contacting, clump weight can be reduced
Binding force suffered by 1 improves the flexibility of clump weight 1, improves the effectiveness in vibration suppression to carriage.Certainly, 1 volume of clump weight it is excessive or
When the motion path to clump weight 1 being needed strictly to be limited, limiting slot can be set on clump weight 1, and plug in screw rod 10
Enter in the limiting slot.
The bottom surface of clump weight 1 is provided with four guide rods 7, guide rod 7 is distributed in the neighboring area of clump weight 1, and each
Guide rod 7 extends towards sedan-chair frame side, is connected with the first elastic component with 7 phase separation of guide rod in the corresponding position of bottom plate 4.
It is the first spring 3 that the first elastic component is taken in the present embodiment, and the first spring 3 is four, and the first spring 3 is set in pair
It answers on guide rod 7, the both ends of the first spring 3 are abutted with 1 bottom surface of clump weight and 4 top surface of bottom plate respectively.First spring 3 is to counterweight
The existing supporting role of block 1, and have guiding role, effectively improve the reliability of powered shock absorption device work.
The quantity of the first spring 3 setting is at least two in other embodiments, and when the first spring 3 is two, excellent
It is selected as being symmetricly set on the neighboring area of clump weight 1, topple in vibration processes to side to avoid clump weight 1；When the first bullet
When spring 3 is more than two, preferably ring cloth is in the neighboring area of clump weight 1.
Similarly, spacing is equipped in the present embodiment between guide rod 7 and bottom plate 4, and in 1 motion process of clump weight, guiding
Without directly contacting between bar 7 and bottom plate 4, in other embodiments, limiting slot can be set on bottom plate 4, and insert guide rod 7
Enter in the limiting slot, to reinforce the support and position-limiting action to clump weight 1.
In conjunction with the structure of above-mentioned powered shock absorption device, the working principle of powered shock absorption device is further illustrated:
In the prior art lift car part generally by crosshead sheave (car floor wheel), sedan-chair frame, car body and crosshead sheave with
Spring or rubber absorbing pad composition between sedan-chair frame, sedan-chair frame and car body.It then according to car structure the characteristics of, can will be entire
The model of vibration of carriage is reduced to as shown in Figure 3.
It is usually to change according to the structure for carrying out powered shock absorption device with dynamic absorber principle and during the vibration damping of carriage
Into.Wherein, as shown in figure 4, dynamic absorber principle is the additional mass spring system on vibrating object, spare system is to main system
Active force just balance the exciting force in main system, so that the exciting force of main system is transferred to additional mass spring system
In, so that the influence of carriage not acceptor's system vibration, wherein the intrinsic frequency of powered shock absorption device isIn formula, m is
The quality of clump weight, k are the transient state rigidity of spring.The transient state rigidity of spring and consolidating for powered shock absorption device can be derived by formula
There is frequency to be positively correlated, and known in the case where other conditions are constant, the rigidity of spring and its length are negatively correlated.
As shown in figure 5, being based on above-mentioned dynamic absorber principle, the vibration control method packet of the vibration damping lift car of the present embodiment
It includes:
It is sampled, will be acquired using vibration signal of the data acquisition device being mounted on sedan-chair frame to main system (sedan-chair frame)
Vibration signal processing after obtain the current vibration frequency W of sedan-chair frame during lift car operation1；
The intrinsic frequency W of powered shock absorption device is calculated according to formula0；
By the vibration frequency W of sedan-chair frame1With the intrinsic frequency W of powered shock absorption device0It is compared, when | W1-W0| when=0, no
Change the intrinsic frequency W of powered shock absorption device0；When | W1-W0| when > 0, the M value driving motor rotation of adjustment is found out, power is changed
The intrinsic frequency W of shock-absorbing means0。
As shown in fig. 6, the powered shock absorption device of the present embodiment changes the process of intrinsic frequency are as follows: data acquisition device acquisition
The vibration frequency W of sedan-chair frame1, and controller is passed to, controller is by the vibration frequency W of sedan-chair frame1Initial with powered shock absorption device is consolidated
There is frequency W0It is compared；
When comparison result is W1-W0When > 0, calculates the M value of adjustment and export to motor 2, motor 2 drives 10 turns of screw rod
It is dynamic, lifting seat 6 is moved up, the length of the second spring 9 is reduced, the rigidity k of second spring 9 increases at this time, according to dynamic
The intrinsic frequency calculation formula of power shock-absorbing means can obtain, and the intrinsic frequency of powered shock absorption device improves；
When comparison result is W1-W0When < 0, calculates the M value of adjustment and export to motor 2, motor 2 drives 10 turns of screw rod
It is dynamic, lifting seat 6 is moved down, the length of the second spring 9 is increased, the rigidity k of second spring 9 reduces at this time, according to dynamic
The intrinsic frequency calculation formula of power shock-absorbing means can obtain, and the intrinsic frequency of powered shock absorption device reduces；
The adjustment process of intrinsic frequency is the vibration frequency for making the intrinsic frequency of powered shock absorption device approach sedan-chair frame, protects
Powered shock absorption device is held with preferable effectiveness in vibration suppression, and the intrinsic frequency of the powered shock absorption device after change is re-entered into control
The intrinsic frequency of new powered shock absorption device is compared with the vibration frequency of the sedan-chair frame currently acquired, continues to adjust by device processed
The vibration frequency of the intrinsic frequency approach sedan-chair frame of powered shock absorption device.
The powered shock absorption device of the utility model and corresponding vibration control method, are effectively reduced the vibration of lift car
It is dynamic, improve lift car traveling comfort and comfort.
It should be understood that although each step in the flow diagram of Fig. 5~6 is successively shown according to the instruction of arrow,
But these steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these
There is no stringent sequences to limit for the execution of step, these steps can execute in other order.Moreover, in Fig. 5~6 extremely
Few a part of step may include that perhaps these sub-steps of multiple stages or stage are not necessarily same to multiple sub-steps
Moment executes completion, but can execute at different times, and the execution sequence in these sub-steps or stage is also not necessarily
It successively carries out, but in turn or can be handed over at least part of the sub-step or stage of other steps or other steps
Alternately execute.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of vibration damping lift car, including sedan-chair frame and the powered shock absorption device being fixed on sedan-chair frame, which is characterized in that described dynamic
Power shock-absorbing means includes:
Clump weight；
First elastic component acts between sedan-chair frame and the clump weight；
Second elastic component, the second elastic component one end are the force side with the clump weight phase separation, and the other end is adjustable side；
Driving mechanism acts between sedan-chair frame and the adjustable side, by driving the second elastic component deformation to adjust
State the intrinsic frequency of powered shock absorption device.
2. vibration damping lift car as described in claim 1, which is characterized in that the powered shock absorption device further includes being fixed on sedan-chair
The bottom plate of top of the trellis, the clump weight are mounted on bottom plate by the first elastic component, and the driving mechanism is described including being mounted on
Motor on bottom plate and by the motor-driven lifting seat, the adjustable side of second elastic component is connected with the lifting seat.
3. vibration damping lift car as claimed in claim 2, which is characterized in that the bottom surface of the clump weight offers mounting groove,
The lifting seat is located at the lower section of the mounting groove, and the force side of second elastic component is protruded into mounting groove and offsets with clump weight,
The adjustable side of second elastic component and the top surface of the lifting seat offset.
4. vibration damping lift car as claimed in claim 3, which is characterized in that transmission is combined with perpendicular on the output shaft of the motor
The lead screw directly arranged, the lifting seat and the threads of lead screw cooperate, and the powered shock absorption device further includes on guidance lifting seat
Lower movement simultaneously limits the guiding mechanism that lifting seat is rotated with lead screw.
5. vibration damping lift car as claimed in claim 4, which is characterized in that the guiding mechanism is to match with lifting seat edge
The guide rail of conjunction, the guide rail are fixedly mounted on bottom plate or clump weight.
6. vibration damping lift car as claimed in claim 4, which is characterized in that the guiding mechanism is to match with lifting seat edge
The guide groove of conjunction, and the guide groove is provided on the cell wall of the mounting groove.
7. vibration damping lift car as claimed in claim 2, which is characterized in that be fixed on the clump weight towards sedan-chair frame side and prolonged
The guide rod stretched, first elastic component are the first spring being set on corresponding guide rod, the both ends of the first spring respectively with
Clump weight bottom surface and plate top surface abut.
8. vibration damping lift car as described in claim 1, which is characterized in that first elastic component at least there are two, and cloth
It sets in the neighboring area of the clump weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821496921.1U CN208932748U (en) | 2018-09-13 | 2018-09-13 | A kind of vibration damping lift car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821496921.1U CN208932748U (en) | 2018-09-13 | 2018-09-13 | A kind of vibration damping lift car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208932748U true CN208932748U (en) | 2019-06-04 |
Family
ID=66720762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821496921.1U Expired - Fee Related CN208932748U (en) | 2018-09-13 | 2018-09-13 | A kind of vibration damping lift car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208932748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861981A (en) * | 2018-09-13 | 2018-11-23 | 杭州西奥电梯有限公司 | A kind of vibration damping lift car |
-
2018
- 2018-09-13 CN CN201821496921.1U patent/CN208932748U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861981A (en) * | 2018-09-13 | 2018-11-23 | 杭州西奥电梯有限公司 | A kind of vibration damping lift car |
| CN108861981B (en) * | 2018-09-13 | 2024-07-26 | 杭州西奥电梯有限公司 | Vibration reduction elevator car |
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| Date | Code | Title | Description |
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| 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: 20190604 |