CN216105445U - Elevator buffer - Google Patents

Elevator buffer Download PDF

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Publication number
CN216105445U
CN216105445U CN202122392996.3U CN202122392996U CN216105445U CN 216105445 U CN216105445 U CN 216105445U CN 202122392996 U CN202122392996 U CN 202122392996U CN 216105445 U CN216105445 U CN 216105445U
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China
Prior art keywords
outer shell
buffer
damping
cover plate
upper cover
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CN202122392996.3U
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Chinese (zh)
Inventor
白鸿柏
郑孝源
刘鸿飞
郝翔飞
任志英
吴乙万
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Fuzhou University
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Fuzhou University
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Abstract

The utility model provides an elevator buffer, which comprises an outer shell and an upper cover plate extending from the upper part of the outer shell to the inner part of the outer shell, wherein a first vibration damping mechanism is arranged between the upper part of the upper cover plate and the upper surface of the outer shell, a second vibration damping mechanism is arranged between the side part of the upper cover plate and the inner side of an opening of the outer shell, a third vibration damping mechanism is arranged between the bottom of the upper cover plate and the inner bottom surface of the outer shell, and a fourth vibration damping mechanism is arranged at the inner side part of the outer shell. The utility model has the advantages of ingenious design, reasonable structure, better buffering and vibration damping capacity and wide application prospect.

Description

Elevator buffer
Technical Field
The utility model relates to an elevator buffer.
Background
With the development of urbanization, the use of elevators has reached a rapid popularity, and the elevator buffer is the key to ensure the smooth operation of the elevator. The elevator buffer is mainly installed in the well pit, thereby can reduce the vibration of elevator and reduce the vibration of goods in the elevator or improve passenger's travelling comfort when the elevator normally operates, and when the elevator normally descends, the elevator buffer can avoid the elevator direct impact to ground to reduce passenger's injury. The current elevator buffer mainly has a polymer buffer and a spring buffer, the polymer buffer can not continuously and effectively work in a severe environment, the reliability of the elevator buffer is reduced, and the performance of the spring buffer for absorbing vibration energy is poor, so that a satisfactory vibration reduction effect can not be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model improves the problems, namely the utility model aims to provide an elevator buffer which has good vibration damping performance and high reliability.
The vibration damping device comprises an outer shell and an upper cover plate extending from the upper part of the outer shell to the inner part of the outer shell, wherein a first vibration damping mechanism is arranged between the upper part of the upper cover plate and the upper surface of the outer shell, a second vibration damping mechanism is arranged between the side part of the upper cover plate and the inner side of an opening of the outer shell, a third vibration damping mechanism is arranged between the bottom of the upper cover plate and the inner bottom surface of the outer shell, and a fourth vibration damping mechanism is arranged at the inner side part of the outer shell.
Furthermore, the third vibration reduction mechanism comprises two sliding plates capable of sliding left and right along the inner bottom surface of the outer shell, an extension spring is arranged between the two sliding plates, a connecting block is arranged at the bottom of the outer shell, and linkage rods are respectively arranged between the two sliding plates and the connecting block.
Furthermore, the fourth vibration damping mechanism comprises a slide bar, a vertical vibration damping body, a sliding sleeve and a lower vertical vibration damping spring are sequentially arranged outside the slide bar from top to bottom, the vertical vibration damping spring is arranged outside the vertical vibration damping body, and an inclined rod is arranged between the sliding plate and the sliding sleeve.
Furthermore, the first vibration reduction mechanism comprises a damping body positioned on the outer side of the upper cover plate, and a vibration reduction spring is sleeved on the outer side of the damping body.
Furthermore, second damping mechanism is including setting up the fluting on shell body upper portion, the fluting is equipped with horizontal damping body, the one end that horizontal damping body is close to the upper cover plate is equipped with the globular speed reduction body with shell body lateral part contact, horizontal damping body outside cover has horizontal spring, horizontal spring is located between globular speed reduction body and the fluting medial surface.
Furthermore, the lower part of the outer shell is provided with an impact buffer block, and the outer side of the impact buffer block is provided with a buffer supporting block.
Furthermore, a semicircular groove is formed in the side of the upper cover plate, and the diameter of the spherical speed reducing body is smaller than that of the semicircular groove.
Furthermore, a guide ring is arranged above the outer shell close to the opening of the outer shell.
Further, a bolt is arranged below the side of the outer shell.
Furthermore, the inner bottom surface of the outer shell is provided with a sliding groove which is used for being in sliding fit with the sliding plate.
Furthermore, the transverse vibration damping body, the vertical vibration damping body, the buffering supporting block and the damping body are all made of metal rubber damping materials.
Compared with the prior art, the utility model has the following beneficial effects: the device has simple structure and reasonable design, and the small vibration of the elevator is buffered and damped by compressing the damping body and the damping spring, linking the upper vertical damping spring and the vertical damping body to compress and stretching the lower vertical damping spring; under the elastic action of the transverse spring and the transverse vibration damping body, the spherical speed reducing body is clamped into the semicircular groove on the side edge of the upper cover plate and then slides out of the semicircular groove, so that large vibration of the elevator is reduced and damped; most of energy is absorbed by the impact buffer block and the buffer supporting block, so that the elevator is prevented from directly impacting the ground when the elevator is out of control and descends rapidly, and casualties in the elevator are reduced.
Drawings
FIG. 1 is a first schematic structural diagram according to an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second damping mechanism according to an embodiment of the present invention;
in the figure: 1-upper cover plate, 2-guide ring, 3-spherical speed reducer, 4-transverse spring, 5-transverse vibration reducer, 6-upper vertical vibration reducer, 7-vertical vibration reducer, 8-sliding sleeve, 9-sliding rod, 10-lower vertical vibration reducer, 11-outer shell, 12-inclined rod, 13-linkage rod, 14-extension spring, 15-sliding plate, 16-bolt, 17-impact buffer block, 18-buffer support block, 19-connecting block, 20-vibration reducer, 21-damping body and 22-sliding groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example (b): referring to fig. 1-3, an elevator buffer is provided, which includes an outer shell 11 and an upper cover plate 1 extending from the upper part of the outer shell to the inner part of the outer shell, wherein a first vibration damping mechanism is arranged between the upper part of the upper cover plate and the upper surface of the outer shell, a second vibration damping mechanism is arranged between the side part of the upper cover plate and the inner side of the opening of the outer shell, a third vibration damping mechanism is arranged between the bottom of the upper cover plate and the inner bottom surface of the outer shell, and a fourth vibration damping mechanism is arranged at the inner side part of the outer shell.
In the present embodiment, the first vibration damping mechanism includes a damping body 21 located outside the upper cover plate, and a vibration damping spring 20 is sleeved outside the damping body.
The vibration reduction spring and the damping body can well absorb the up-and-down vibration of the upper cover plate.
In this embodiment, the second damping mechanism includes a slot disposed on the upper portion of the outer casing, the slot is provided with a transverse damping body 5, one end of the transverse damping body, which is close to the upper cover plate, is provided with a spherical decelerating body 3 contacting with the side portion of the outer casing, a transverse spring 4 is sleeved outside the transverse damping body, and the transverse spring is located between the spherical decelerating body and the inner side surface of the slot.
When the transverse spring and the transverse vibration damping body are installed, a larger compression amount exists so as to ensure that one end of the spherical speed reducing body, which is close to the side part of the upper cover plate, is always in contact with the upper cover plate; the transverse vibration damping body can well absorb the horizontal vibration energy of the elevator.
In this embodiment, the third vibration damping mechanism includes two sliding plates 15 capable of sliding left and right along the inner bottom surface of the outer housing, an extension spring 14 is disposed between the two sliding plates, a connecting block 19 is disposed at the bottom of the outer housing, and linkage rods 13 are disposed between the two sliding plates and the connecting block respectively.
The inner bottom surface of the outer shell is provided with a sliding groove 22 matched with the sliding plate.
In this embodiment, the fourth damping mechanism includes a sliding rod 9, a vertical damping body 7, a sliding sleeve 8 and a lower vertical damping spring 10 are sequentially disposed outside the sliding rod from top to bottom, an upper vertical damping spring 6 is disposed outside the vertical damping body, and an inclined rod 12 is disposed between the sliding plate and the sliding sleeve.
Need the certain displacement volume of pre-compaction when the perpendicular damping spring of installation and perpendicular damping body, the slip cap can compress perpendicular damping spring and perpendicular damping body in the upper cover plate down when removing, and perpendicular damping spring down stretches simultaneously for thereby the elevator can provide certain initial restoring force when bearing the impact and reduce the elevator vibration.
In the embodiment, the transverse vibration damping body, the vertical vibration damping body, the buffering supporting block and the damping body are all made of metal rubber damping materials; the metal rubber is prepared from the metal wires, so that the metal rubber has high damping characteristic, has good bearing capacity, is suitable for high-temperature, corrosive and other environments, overcomes the defect that the traditional polymer elevator buffer cannot continuously and effectively work in severe environments, prolongs the service life of the buffer, and greatly saves the maintenance cost; meanwhile, the metal rubber can provide higher damping performance, and can effectively reduce the vibration of the elevator.
The cross section of the upper cover plate is T-shaped, the upper cover plate can be adjusted in size according to actual elevator requirements, and the upper cover plate can be processed into a hollow shape according to actual weight requirements so as to reduce weight.
In the embodiment, the lower part of the outer shell is provided with an impact buffer block 17, and the outer side of the impact buffer block is provided with a buffer supporting block 18; the impact buffer block and the buffer supporting block are positioned below the extension spring; the impact bumper can be made of foamed aluminum or other high energy absorption buffering materials.
The impact buffer block and the buffer supporting block play a role in buffering, and the buffer supporting block has certain rigidity and can also play a role in supporting the impact buffer block.
In this embodiment, a semicircular groove is formed in a side portion of the upper cover plate, and a diameter of the spherical decelerating body is smaller than a diameter of the semicircular groove.
In this embodiment, the outer housing is provided with a guide ring 2 near the top of its opening.
In the present embodiment, the housing-side lower portion is provided with a bolt 16.
In this embodiment, when the elevator vibration is less, upper cover plate can compress damping spring and damping body, drives the gangbar downstream through the connecting block simultaneously, and the sliding plate moves to the outside along the sliding tray, and extension spring is tensile and drives the slip cap upward movement this moment, and perpendicular damping spring, perpendicular damping body in the compression, tensile perpendicular damping spring down play the effect that reduces the elevator vibration.
When the elevator is subjected to larger vibration, the upper shell continues to move downwards, in the downward moving process, the spherical speed reducing body is clamped into the semicircular groove on the side edge of the upper cover plate under the elastic action of the transverse spring and the transverse vibration reducing body, the upper cover plate cannot be clamped, and when the upper cover plate continues to move downwards, the spherical speed reducing body slides out of the semicircular groove, so that the transverse spring and the transverse vibration reducing body are compressed, and the upper cover plate plays a role in reducing speed.
When the elevator loses control and descends rapidly, after the damping effect of the damping body, the damping spring, the upper vertical damping spring, the vertical damping body and the lower vertical damping spring is achieved, the damping buffering effect is possibly aging due to large impact, the lower cover plate moves downwards continuously, the impact buffering block and the buffering supporting block which are positioned on the inner bottom surface of the outer shell can absorb most energy, the elevator is prevented from directly impacting the ground, and casualties in the elevator are reduced.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Meanwhile, if the utility model as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims (9)

1. An elevator buffer is characterized by comprising an outer shell and an upper cover plate extending from the upper part of the outer shell to the inner part of the outer shell, wherein a first vibration damping mechanism is arranged between the upper part of the upper cover plate and the upper surface of the outer shell, a second vibration damping mechanism is arranged between the side part of the upper cover plate and the inner side of an opening of the outer shell, a third vibration damping mechanism is arranged between the bottom of the upper cover plate and the inner bottom surface of the outer shell, and a fourth vibration damping mechanism is arranged at the inner side part of the outer shell; the third vibration reduction mechanism comprises two sliding plates which can slide left and right along the inner bottom surface of the outer shell, an extension spring is arranged between the two sliding plates, a connecting block is arranged at the bottom of the outer shell, and linkage rods are respectively arranged between the two sliding plates and the connecting block; the fourth vibration reduction mechanism comprises a sliding rod, a vertical vibration reduction body, a sliding sleeve and a lower vertical vibration reduction spring are sequentially arranged outside the sliding rod from top to bottom, the vertical vibration reduction spring is arranged outside the vertical vibration reduction body, and an inclined rod is arranged between the sliding plate and the sliding sleeve.
2. The elevator buffer of claim 1, wherein the first damping mechanism comprises a damping body located outside the upper cover plate, and a damping spring is sleeved outside the damping body.
3. The buffer of claim 2, wherein the second damping mechanism comprises a slot disposed at an upper portion of the outer casing, the slot is provided with a lateral damping body, one end of the lateral damping body near the upper cover plate is provided with a spherical speed reducer contacting with a lateral portion of the outer casing, and a lateral spring is sleeved outside the lateral damping body and located between the spherical speed reducer and an inner side surface of the slot.
4. The buffer of claim 1, wherein the lower part of the outer housing is provided with an impact buffer block, and the outer side of the impact buffer block is provided with a buffer support block.
5. The buffer of claim 3, wherein the lateral part of the upper cover plate is provided with a semicircular groove, and the diameter of the spherical decelerating body is smaller than that of the semicircular groove.
6. An elevator buffer as defined in claim 3 wherein said outer housing is provided with a guide ring adjacent the upper portion of the opening of said outer housing.
7. An elevator buffer as defined in claim 1 wherein bolts are provided on the lower side of said outer housing.
8. An elevator buffer as defined in claim 1, wherein the inner bottom surface of the outer housing is provided with a sliding groove for sliding engagement with the sliding plate.
9. The elevator buffer of claim 3 wherein said lateral damping body, vertical damping body, buffer support block and damping body are made of metal rubber damping material.
CN202122392996.3U 2021-09-30 2021-09-30 Elevator buffer Active CN216105445U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122392996.3U CN216105445U (en) 2021-09-30 2021-09-30 Elevator buffer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122392996.3U CN216105445U (en) 2021-09-30 2021-09-30 Elevator buffer

Publications (1)

Publication Number Publication Date
CN216105445U true CN216105445U (en) 2022-03-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122392996.3U Active CN216105445U (en) 2021-09-30 2021-09-30 Elevator buffer

Country Status (1)

Country Link
CN (1) CN216105445U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113879937A (en) * 2021-09-30 2022-01-04 福州大学 Elevator buffer and working method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113879937A (en) * 2021-09-30 2022-01-04 福州大学 Elevator buffer and working method thereof

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