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CN114314250B - Elevator car damping device and elevator system - Google Patents

Elevator car damping device and elevator system Download PDF

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Publication number
CN114314250B
CN114314250B CN202011072194.8A CN202011072194A CN114314250B CN 114314250 B CN114314250 B CN 114314250B CN 202011072194 A CN202011072194 A CN 202011072194A CN 114314250 B CN114314250 B CN 114314250B
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China
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car
elevator
predetermined
floor
moving member
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CN114314250A (en
Inventor
周双林
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Schindler China Elevator Co Ltd
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Schindler China Elevator Co Ltd
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Priority to CN202011072194.8A priority Critical patent/CN114314250B/en
Priority to PCT/CN2021/122750 priority patent/WO2022073495A1/en
Publication of CN114314250A publication Critical patent/CN114314250A/en
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Abstract

The invention discloses an elevator car damping device and an elevator system. The elevator car damping device includes: a moving member movably mounted on a car of an elevator; and a plurality of fixing members respectively provided at a plurality of floors of the elevator and respectively fixedly installed in a hoistway of the elevator. At least one of the moving member and the fixed member functions as an elastically deformable damping member. The moving member is moved to an extended position when the car stops at a predetermined stop position at a certain floor, and the moving member is frictionally engaged with the fixed member when the car stopped at a certain floor is moved upward or downward by a predetermined distance relative to the predetermined stop position, so as to reduce the up-and-down sway of the car when passengers get in and out. According to the invention, the elevator car damping device is simple in structure, and the cost of the elevator is reduced.

Description

Elevator car damping device and elevator system
Technical Field
The present invention relates to an elevator car damping device and an elevator system including the same.
Background
The elevator traction suspension device can generate elastic extension when passengers get in and out of the elevator car due to the elasticity of the elevator traction suspension device, so that the elevator car sinks. Especially, the elastic elongation is large at a large lifting height, which causes a large sinking amount of the elevator car. Thus, when the elevator is positioned on the lower floor, passengers enter and exit the elevator car, and the elevator car can obviously shake up and down. This up-and-down sway gives passengers some worry, and the elevator is considered to be problematic. In order to suppress such vibration, a Car Damping Device (Car Damping Device), CDD for short, is generally disposed on the Car. The device exerts a clamping force on a fixed part on a car guide rail or in a hoistway at the position of a flat layer of the car, and the car damping device can quickly attenuate the vibration of the car so as to improve the comfort of passengers. Existing car damping devices operate as passengers enter and exit the car at each floor. Because the frictional force generated by the clamping force of the car damping device is generally small and is not enough to overcome the weight of passengers when the passengers get in and out of the car, the passengers still can move up and down when getting in and out of the car when the car damping device acts, the contact surface of the car damping device and the guide rail is in repeated friction, and the service life is reduced.
In the prior art, a damping part which is in frictional engagement with a fixed part in a car guide rail or a shaft is arranged on a car damping device, and the damping part needs to be in frictional engagement with the fixed part in the car guide rail or the shaft once every time a car stops, so that the frictional engagement of the damping part is too frequent, the service life of the damping part is greatly shortened, and the damping part needs to be replaced frequently.
Disclosure of Invention
The present invention is directed to addressing at least one of the problems and deficiencies in the prior art.
According to one aspect of the present invention, there is provided an elevator car damping device comprising: a moving member movably mounted on a car of an elevator; and a plurality of fixing members respectively provided at a plurality of floors of the elevator and respectively fixedly installed in a hoistway of the elevator. At least one of the moving member and the fixed member functions as an elastically deformable damper. The moving member is moved to an extended position when the car stops at a predetermined stop position at a certain floor, and the moving member is frictionally engaged with the fixed member when the car stopped at a certain floor is moved upward or downward by a predetermined distance relative to the predetermined stop position, so as to reduce the up-and-down sway of the car when passengers get in and out.
According to an exemplary embodiment of the present invention, when the car stopped at a certain floor is not moved upward or downward relative to the predetermined stop position by the predetermined distance, the moving member and the fixed member are still in a non-contact state, so that the damping effect on the car is not generated.
According to another exemplary embodiment of the present invention, the predetermined distance is larger than 0 and smaller than 40mm.
According to another exemplary embodiment of the present invention, the predetermined distance is larger than 1mm and smaller than 10mm.
According to another exemplary embodiment of the present invention, the moving member is an elastically deformable damping member, and the fixed member is an elastically non-deformable rigid member; or the moving part is a rigid part which cannot be elastically deformed, and the fixed part is a damping part which can be elastically deformed; or the moving member may be an elastically deformable damping member, and the fixed member may also be an elastically deformable damping member.
According to another exemplary embodiment of the present invention, at least one of the moving member and the fixed member includes a rigid main body portion and an elastic contact layer wrapped outside the rigid main body portion, and the rigid main body portion and the elastic contact layer together constitute a composite structural damping member.
According to another exemplary embodiment of the invention, the elevator car damping device further comprises an electric drive mounted on the car; when the car stops at the certain floor, the electric driving device drives the moving member to the extending position.
According to another exemplary embodiment of the present invention, when the car stops at the certain floor, a door of the car is opened, and the moving member is driven to the extended position by the opened door.
According to another exemplary embodiment of the invention, the elevator car damping device further comprises a base fixedly mounted on the car and the moving member is movably mounted on the base.
According to another exemplary embodiment of the invention, the elevator car damping device further comprises an elastic return device connected between the base and the moving member; when the car closes the car door and is ready to leave the certain floor, the elastic resetting device pushes the moving member to a retraction position separated from the fixed member.
According to another exemplary embodiment of the invention, the base is mounted on a sill, a car frame, a car roof or a car door machine of the car.
According to another exemplary embodiment of the present invention the fixing element is fixedly mounted on a hoistway wall, a car guide rail, a counterweight guide rail or a landing door arrangement of the elevator.
According to another exemplary embodiment of the present invention, the elastic return means comprises a spring compressed between the base and the mobile element.
According to another exemplary embodiment of the present invention, the fixing member is in a sheet shape and vertically attached to a hoistway wall of the elevator; the moving member is columnar, horizontally installed in the through hole of the base, and horizontally movable with respect to the base.
According to another exemplary embodiment of the present invention, the fixing member has a predetermined length in a vertical direction, and the predetermined length is within a range of 10mm to 50 mm.
According to another aspect of the invention, there is also provided an elevator system comprising the aforementioned elevator car damping device. The plurality of fixtures of the damping device of the elevator car are only arranged at floors lower than or equal to a predetermined floor N, and the fixtures are not arranged at floors higher than the predetermined floor N, so that when the floor at which the car stops is higher than the predetermined floor N, the damping device of the elevator car does not generate a damping effect on the car.
According to an exemplary embodiment of the present invention, when the car is located at the predetermined floor N or a floor lower than the predetermined floor N, an elongation dL of the car-side hoist rope at a predetermined tension F is not more than a predetermined elongation Δ L; when the car is located at a floor higher than the predetermined floor N, an elongation dL of the car-side hoist rope at the predetermined tension F is larger than the predetermined elongation Δ L.
According to another exemplary embodiment of the present invention, an elongation dL of the car side hoist rope at a predetermined tension F when the car is located at a certain floor is calculated according to the following formula:
dL = (LF)/(knES) wherein,
e is the elastic modulus of the hoisting rope;
s is the area of the metal cross section of the hoisting rope;
l is the original length of the elevator car side hauling rope when the elevator car is positioned at a certain floor;
n is the number of the hoisting ropes;
and k is a traction ratio.
According to another exemplary embodiment of the present invention, an elastic modulus E of the car side hoist rope and an area S of a metal cross section of the car side hoist rope are known parameters; the original length L of the car side hoist rope is estimated as the distance between the car and the traction sheave of the elevator.
According to another exemplary embodiment of the present invention, when the predetermined tensile force F is 75Kg, the predetermined elongation Δ L may be set to any one of values of 1 to 5mm.
According to another exemplary embodiment of the present invention, the predetermined elongation Δ L is set to 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm when the predetermined tensile force F is 75 Kg.
According to another aspect of the present invention, there is also provided an elevator car damping device comprising: a moving member movably mounted on a car of an elevator; and a plurality of fixed members respectively provided at a plurality of floors of the elevator and respectively fixedly installed in a hoistway of the elevator, at least one of the moving member and the fixed member serving as an elastically deformable damping member. When the car stops at a predetermined stop position at a floor, the moving member is moved to an engagement position in frictional engagement with the fixed member to reduce the up-and-down sway of the car when passengers enter and exit.
In the foregoing respective exemplary embodiments according to the present invention, the elevator car damping device has a simple structure, reducing the cost of the elevator.
In the aforementioned respective exemplary embodiments according to the present invention, one fixed member is provided at each of a plurality of floors of the elevator, and therefore, the frequency of frictional engagement of each fixed member with the moving member is reduced, so that the life span of the fixed member can be increased without frequently replacing the fixed member.
Further, in some of the foregoing exemplary embodiments according to the present invention, the fixed member is provided only at each floor lower than or equal to the predetermined floor N, and the fixed member is not provided at each floor higher than the predetermined floor N, and therefore, the present invention can also reduce the frequency of frictional engagement of the moving member with the fixed member, thereby also being able to improve the life span of the moving member.
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.
Drawings
Fig. 1 shows a schematic view of an elevator car damping device according to an exemplary embodiment of the present invention with the doors in a closed position;
fig. 2 shows a schematic view of an elevator car damping device according to an exemplary embodiment of the present invention with the door in an open position.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to one general technical concept of the present invention, there is provided an elevator car damping device including: a moving member movably mounted on a car of an elevator; and a plurality of fixing members respectively provided at a plurality of floors of the elevator and respectively fixedly installed in a hoistway of the elevator. At least one of the moving member and the fixed member functions as an elastically deformable damper. The moving member is moved to an extended position when the car stops at a predetermined stop position at a certain floor, and frictionally engages with the fixed member when the car stopped at the certain floor moves upward or downward by a predetermined distance with respect to the predetermined stop position to reduce the rocking of the car up and down when passengers get in and out.
Fig. 1 shows a schematic view of an elevator car damping device according to an exemplary embodiment of the present invention with the doors in a closed position; fig. 2 shows a schematic view of an elevator car damping device according to an exemplary embodiment of the present invention with the door in an open position.
As shown in fig. 1 and 2, in the illustrated embodiment, the elevator car damping device mainly includes: a base 10, a moving member 11, and a plurality of fixed members 12.
As shown in fig. 1 and 2, the base 10 is mounted on a car 100 of an elevator. In the illustrated embodiment, the base 10 is mounted on a sill 110 of the car 100. However, the present invention is not limited thereto, and the base 10 may be mounted on a car frame, a car roof, or a car door machine of the car 100, for example. Although not shown, the base 10 may be fixedly installed on the sill 110 of the car 100 by welding or bolting.
As shown in fig. 1 and 2, the moving member 11 is movably mounted on the base 10. In the illustrated embodiment, the moving member 11 is formed in a cylindrical shape, is horizontally installed in the through hole of the base 10, and is horizontally movable with respect to the base 10. However, the present invention is not limited to the illustrated embodiment, and for example, the moving member 11 may have a block shape and be slidably mounted in a slide groove of the base 10.
In one exemplary embodiment of the present invention, a plurality of fixing members 12 are disposed at a plurality of floors of an elevator, respectively, and are fixedly installed in a hoistway of the elevator, respectively. Fig. 1 and 2 only show the fixing pieces 12 located on the same floor, and the other floors are similar to fig. 1 and 2 and are not described again.
As shown in fig. 1 and 2, the fixing member 12 has a sheet shape and is vertically attached to a hoistway wall 200 of an elevator. However, the invention is not limited to the illustrated embodiment, and the fixed member 12 may be fixedly mounted on a car guide rail, a counterweight guide rail, or a landing door apparatus of an elevator, for example.
As shown in fig. 2, in the illustrated embodiment, when the car 100 stops at a predetermined stop position at a certain floor, the door 120 of the car 100 is opened, and the moving member 11 is driven to the extended position by the opened door 120, and there is no contact between the moving member 11 and the fixed member 12 and a small gap therebetween.
As shown in fig. 1 and 2, in the illustrated embodiment, when the car 100 parked at a certain floor is moved upward or downward (movement due to passengers getting in and out of the car) by a predetermined distance with respect to a predetermined parking position in a state where the moving member 11 is in the extended position, the moving member 11 is frictionally engaged with the fixed member 12 to reduce the up-and-down shaking of the car 100 when passengers get in and out. That is, when the car 100 stopped at a certain floor does not move with respect to the predetermined stopping position or does not move upward or downward with respect to the predetermined stopping position by the predetermined distance, the moving member 11 and the fixed member 12 are still in an untouched state, and no damping effect is generated on the car 100.
In an exemplary embodiment of the present invention, the aforementioned predetermined distance is greater than 0, and for example, may be designed to be greater than 0 and less than 40mm, or may be designed to be greater than 1mm and less than 10mm.
In an exemplary embodiment of the present invention, at least one of the moving member 11 and the fixed member 12 serves as an elastically deformable damping member. Therefore, as shown in fig. 2, when the car door 120 is opened, the moving member 11 is frictionally engaged with the fixed member 12 and generates a damping action on the car 100, so that the damping of the up-and-down movement of the car 100 can be increased, thereby reducing the up-and-down shaking of the car 100 when passengers get in and out.
It should be noted that the present invention is not limited to the illustrated embodiment, and the moving member 11 may not be driven to the extended position by the car door 120. For example, in an exemplary embodiment of the invention, the elevator car damping device may include an electric drive that is mounted on the car 100. When the car 100 stops at a floor, the electric driving device drives the moving member 11 to the extended position.
As shown in fig. 1 and 2, in the illustrated embodiment, the moving member 11 is a rigid member that is not elastically deformable, and the fixed member 12 is a damping member that is elastically deformable. However, the present invention is not limited to this, and for example, the moving member 11 may be an elastically deformable damping member, and the fixed member 12 may be a rigid member that is not elastically deformable; alternatively, the movable member 11 is an elastically deformable damper, and the fixed member 12 is also an elastically deformable damper.
Although not shown, in another embodiment of the present invention, at least one of the moving member 11 and the fixed member 12 may be a damping member having a composite structure. For example, at least one of the moving member 11 and the fixed member 12 may include a rigid main body portion and an elastic contact layer wrapped around the rigid main body portion, and the rigid main body portion and the elastic contact layer together constitute a composite-structured damping member.
Note that, the structure of the moving member 11 and the fixed member 12 is not limited to the foregoing embodiment, for example, an elastic contact layer or an elastic contact sleeve may be provided on the contact end portion of the moving member 11 contacting with the fixed member 12, and the moving member 11 may be frictionally engaged with the fixed member 12 through the elastic contact layer or the elastic contact sleeve.
As shown in fig. 1 and 2, in the illustrated embodiment, the elevator car damping device further comprises an elastic return device 13, the elastic return device 13 being connected between the base 10 and the moving member 11. As shown in fig. 1, when the car 100 closes the door 120 and is ready to leave a floor, the elastic restoring means 13 pushes the moving member 11 to the retracted position separated from the fixed member 12.
As shown in fig. 1 and 2, in the illustrated embodiment, one end of the moving member 11 (the end remote from the fixed member 12) is formed with a positioning flange 11a. The elastic return means 13 are compressed between the positioning flange 11a of the mobile element 11 and the surface of the base 10. However, the invention is not limited to the illustrated embodiment, but the elastic return means 13 can also be accommodated and positioned in an accommodation chamber in the base 10.
As shown in fig. 1 and 2, in the illustrated embodiment, the elastic return means 13 comprise a spring, which may be a helical spring, fitted over the rod-shaped body of the mobile element 11. Both ends of the coil spring abut on the positioning flange 11a of the moving member 11 and the surface of the base 10, respectively, so that the coil spring is compressed between the positioning flange 11a of the moving member 11 and the surface of the base 10. However, the invention is not limited to the illustrated embodiment, but the elastic return means 13 may also comprise an elastic block made of an elastic material.
As shown in fig. 1 and 2, in the illustrated embodiment, the fixing member 12 has a predetermined length in the vertical direction, and the predetermined length is within a range of 10mm to 50 mm. Therefore, when the car 100 is at the car landing, the moving member 11 can frictionally engage the fixed member 12, and the fixed member 12 can damp the moving member 11. However, when the moving member 11 goes beyond a certain range due to the up-and-down movement of the car 100, the fixed member 12 is disengaged from the moving member 11, and the damping action is lost.
In another exemplary embodiment of the invention, as shown in fig. 1 and 2, an elevator system is also disclosed, which comprises a car 100 and the aforementioned elevator car damping device. The plurality of fixing pieces 12 of the aforementioned damping device for the elevator car are provided only at respective floors lower than or equal to a predetermined floor N (N is an integer greater than 1), and the fixing pieces 12 are not provided at respective floors higher than the predetermined floor N, so that the damping device for the elevator car does not give a damping effect to the car 100 when the floor at which the car 100 stops is higher than the predetermined floor N. The reason for this is that at a high floor (higher than the scheduled floor N), the amount of vertical movement of the car 100 when passengers get in and out is small, and the passenger does not feel uncomfortable, so that it is not necessary to reduce the vertical movement of the car 100.
As shown in fig. 1 and 2, in the illustrated embodiment, when the car 100 is located at a predetermined floor N or a floor lower than the predetermined floor N, the extension dL of the car-side hoist rope 300 at a predetermined tension F is not more than the predetermined extension Δ L. When the car 100 is located at a floor higher than the predetermined floor N, the extension dL of the car-side hoist rope 300 at the predetermined tension F is greater than the predetermined extension Δ L. In this way, the appropriate predetermined floor N can be selected according to the elongation dL of the car-side hoist rope 300 to reduce the number of the fixtures 12.
As shown in fig. 1 and 2, in the illustrated embodiment, the elongation dL of the car side hoist rope 300 at a predetermined tension F when the car 100 is located at a certain floor is calculated according to the following equation:
dL = (LF)/(knES) wherein,
e is an elastic modulus of the hoist rope 300;
s is an area of a metal cross section of the hoist rope 300;
l is an original length of the car-side hoist rope 300 when the car 100 is located at a certain floor;
n is the number of the hoisting ropes;
and k is a traction ratio.
As shown in fig. 1 and 2, in the illustrated embodiment, the modulus of elasticity E of the car side hoist rope 300 and the area S of the metal cross-section of the car side hoist rope 300 are known parameters; the original length L of the car side hoist rope 300 is estimated as the distance between the car 100 and the traction sheave of the elevator.
As shown in fig. 1 and 2, in the illustrated embodiment, when the predetermined tensile force F is 75Kg, the predetermined elongation Δ L may be set to any one of values of 1 to 5mm.
As shown in fig. 1 and 2, in the illustrated embodiment, when the predetermined tensile force F is 75Kg, the predetermined elongation Δ L is set to 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, or 5mm.
In another exemplary embodiment of the present invention, an elevator car damping device is also disclosed, comprising a moving member 11 and a plurality of stationary members 12. The moving member 11 is movably mounted on a car 100 of an elevator. The plurality of fixtures 12 are respectively provided at a plurality of floors of the elevator and are respectively fixedly installed in a hoistway of the elevator. At least one of the moving member 11 and the fixed member 12 functions as an elastically deformable damper. When the car 100 stops at a predetermined stop position at a certain floor, the moving member 11 is moved to an engagement position in frictional engagement with the fixed member 12 to reduce the up-and-down sway of the car 100 when passengers get in and out.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention.
Although a few embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the invention.

Claims (19)

1. An elevator system comprising:
a car (100); and
an elevator car damping device having a plurality of fixing members (12),
the method is characterized in that: the fixing members (12) of the damping device of the elevator car are provided only at floors lower than or equal to a predetermined floor N, and the fixing members (12) are not provided at floors higher than the predetermined floor N, so that the damping device of the elevator car does not generate a damping effect on the car (100) when the floor at which the car (100) stops is higher than the predetermined floor N,
an elongation dL of the car-side hoist rope (300) at a predetermined tension F is not more than a predetermined elongation Δ L when the car (100) is at the predetermined floor N or a floor lower than the predetermined floor N;
when the car (100) is located at a floor higher than the predetermined floor N, an elongation dL of the car-side hoist rope (300) at the predetermined tension F is larger than the predetermined elongation Δ L.
2. The elevator system of claim 1, wherein:
an elongation dL of the car side hoist rope (300) at a predetermined tension F when the car (100) is at a certain floor is calculated according to the following formula:
dL = (LF)/(knES) wherein,
e is the modulus of elasticity of the hoisting rope (300);
s is an area of a metal cross section of the hoist rope (300);
l is the original length of the cage-side hoisting rope (300) when the cage (100) is at a certain floor;
n is the number of the hoisting ropes;
and k is a traction ratio.
3. The elevator system of claim 2, wherein: the method is characterized in that:
the modulus of elasticity E of the car side hoist rope (300) and the area S of the metal cross section of the car side hoist rope (300) are known parameters;
the original length L of the car-side hoist rope (300) is estimated as the distance between the car (100) and the traction sheave of the elevator.
4. The elevator system of claim 2, wherein:
when the predetermined tensile force F is 75Kg, the predetermined elongation Δ L is set to any one of values of 1 to 5mm.
5. The elevator system of claim 2, wherein:
when the predetermined tensile force F is 75Kg, the predetermined elongation Δ L is set to 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, or 5mm.
6. The elevator system of claim 1, wherein the elevator car damping device comprises:
a moving member (11) movably mounted on a car (100) of an elevator; and
a plurality of fixing members (12) respectively arranged at a plurality of floors of the elevator and respectively fixedly installed in a hoistway of the elevator,
at least one of the moving member (11) and the fixed member (12) serves as an elastically deformable damper member,
the moving member (11) is moved to the extended position when the car (100) stops at a predetermined stop position at a certain floor, and the moving member (11) is frictionally engaged with the fixed member (12) to reduce the up-and-down shaking of the car (100) when passengers enter and exit when the car (100) stopped at a certain floor is moved upward or downward by a predetermined distance with respect to the predetermined stop position,
when the car (100) stops at the certain floor, a car door (120) of the car (100) is opened, and the moving member (11) is driven to the extending position through the opened car door (120).
7. The elevator system of claim 6, wherein:
when the distance that the car (100) stopped at a certain floor moves upwards or downwards relative to the preset stopping position does not reach the preset distance, the moving part (11) and the fixed part (12) are still in a non-contact state, and therefore the damping effect on the car (100) is not generated.
8. The elevator system of claim 6, wherein: the predetermined distance is greater than 0 and less than 40mm.
9. The elevator system of claim 6, wherein: the predetermined distance is greater than 1mm and less than 10mm.
10. The elevator system of claim 6, wherein:
the moving member (11) is an elastically deformable damping member, and the fixed member (12) is a rigid member that is not elastically deformable; or
The moving member (11) is a rigid member that cannot be elastically deformed, and the fixed member (12) is a damping member that can be elastically deformed; or
The moving member (11) is an elastically deformable damper, and the fixed member (12) is also an elastically deformable damper.
11. The elevator system of claim 6, wherein:
at least one of the moving part (11) and the fixed part (12) comprises a rigid main body part and an elastic contact layer wrapping the outside of the rigid main body part, and the rigid main body part and the elastic contact layer form a damping part of a composite structure together.
12. The elevator system of claim 6, wherein:
the elevator car damping device further comprises an electric drive device mounted on the car (100);
when the car (100) stops at the certain floor, the electric driving device drives the moving member (11) to the extended position.
13. The elevator system of claim 6, wherein:
the elevator car damping device further comprises a base (10), the base (10) is fixedly arranged on the car (100), and the moving member (11) is movably arranged on the base (10).
14. The elevator system of claim 13, wherein:
the elevator car damping device further comprises an elastic resetting device (13), and the elastic resetting device (13) is connected between the base (10) and the moving part (11);
when the car (100) closes the car door (120) and is ready to leave the certain floor, the elastic resetting device (13) pushes the moving part (11) to a retraction position separated from the fixed part (12).
15. The elevator system of claim 13, wherein:
the base (10) is installed on a sill (110), a car frame, a car roof or a car door machine of the car (100).
16. The elevator system of claim 6, wherein:
the fixing element (12) is fixedly mounted on a shaft wall (200), a car guide rail, a counterweight guide rail or a landing door device of the elevator.
17. The elevator system of claim 14, wherein:
the elastic return means (13) comprise a spring compressed between the base (10) and the mobile element (11).
18. The elevator system of claim 13, wherein:
the fixing piece (12) is in a sheet shape and is vertically attached to a well wall (200) of the elevator;
the moving member (11) is formed in a columnar shape, is horizontally installed in the through hole of the base (10), and is horizontally movable with respect to the base (10).
19. The elevator system of claim 6, wherein:
the fixing member (12) has a predetermined length in a vertical direction, and the predetermined length is within a range of 10mm to 50 mm.
CN202011072194.8A 2020-10-09 2020-10-09 Elevator car damping device and elevator system Active CN114314250B (en)

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Application Number Priority Date Filing Date Title
CN202011072194.8A CN114314250B (en) 2020-10-09 2020-10-09 Elevator car damping device and elevator system
PCT/CN2021/122750 WO2022073495A1 (en) 2020-10-09 2021-10-09 Elevator car damping arrangement and elevator system

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Application Number Priority Date Filing Date Title
CN202011072194.8A CN114314250B (en) 2020-10-09 2020-10-09 Elevator car damping device and elevator system

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CN114314250B true CN114314250B (en) 2023-02-17

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Citations (13)

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