CN108996361B - Buffer protection device for elevator - Google Patents
Buffer protection device for elevator Download PDFInfo
- Publication number
- CN108996361B CN108996361B CN201811036851.6A CN201811036851A CN108996361B CN 108996361 B CN108996361 B CN 108996361B CN 201811036851 A CN201811036851 A CN 201811036851A CN 108996361 B CN108996361 B CN 108996361B
- Authority
- CN
- China
- Prior art keywords
- metal frame
- base
- sleeve
- connecting blocks
- car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 55
- 238000013016 damping Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
Abstract
The invention discloses a buffer protection device for an elevator, which comprises an elevator shaft and a car, wherein the bottom of the elevator shaft is provided with a base, the base is provided with two vertical plates which are symmetrically arranged, the inner side surface of each vertical plate is provided with two connecting blocks, the heights of the connecting blocks on the two vertical plates are consistent, a metal frame positioned below the connecting blocks is arranged between the two vertical plates, a plurality of criss-cross elastic steel wire ropes are arranged in the metal frame, the side part of the metal frame is provided with connecting lugs which are in one-to-one correspondence with the connecting blocks, a damper is arranged between each connecting lug and the corresponding connecting block, and two ends of the damper are; the bottom surface four corners department of metal frame all is equipped with opening upper sleeve down, is equipped with on the base with upper sleeve one-to-one and opening lower sleeve up, each lower sleeve with correspond and be equipped with damping spring between the upper sleeve, damping spring's both ends are connected with metal frame and base respectively. The invention provides a buffer protection device for an elevator, which can effectively buffer and protect a car.
Description
Technical Field
The invention relates to a buffer protection device for an elevator.
Background
In recent years, along with the continuous occurrence of elevator accidents, people pay more attention to safety protection devices of elevators. Especially high-rise elevator, when the car moves to higher floor, if the steel cable of traction car breaks, the protector of car in-process that falls generally is the safety tongs, but there is car guide rail fracture or the malfunctioning condition of safety tongs to take place, then the car will fall to elevator well pit with higher speed always, will lead to weighing down the ladder and cause serious accident, elevator well pit all is equipped with buffering protection device for this reason, the protection device who uses at present mainly is at elevator well pit fixed several groups of spring or hydraulic cylinder, when the elevator falls, play the cushioning effect through the reaction force of spring or hydraulic cylinder, but the buffer power effect of this kind of mode is relatively poor to cause the car bottom to be damaged easily.
Disclosure of Invention
The invention aims to provide a buffer protection device for an elevator, which has a reasonable structure and can effectively buffer and protect a car.
In order to achieve the purpose, the technical scheme of the invention is to design a buffer protection device for an elevator, which comprises an elevator shaft and a car, wherein the car is arranged in the elevator shaft, the bottom of the elevator shaft is provided with a base, the base is provided with two symmetrically arranged vertical plates, the inner side surface of each vertical plate is provided with two connecting blocks, the heights of the connecting blocks on the two vertical plates are consistent, a metal frame positioned below the connecting blocks is arranged between the two vertical plates, the metal frame is horizontally arranged and is rectangular, a plurality of criss-cross elastic steel wire ropes are arranged in the metal frame, the side parts of the metal frame are provided with connecting lugs corresponding to the connecting blocks one by one, dampers are arranged between each connecting lug and the corresponding connecting block, and the two ends of each damper are respectively hinged with the connecting lugs and the connecting blocks through pin shafts; the bottom surface four corners department of metal frame all is equipped with opening upper sleeve down, be equipped with on the base with upper sleeve one-to-one and opening lower sleeve up, each lower sleeve with correspond upper sleeve and share the axle center, and each lower sleeve with correspond and be equipped with damping spring between the upper sleeve, this damping spring's both ends are connected with metal frame and base respectively.
Preferably, a positioning rod is arranged between the lower sleeve and the corresponding upper sleeve, the lower end of the positioning rod is fixed with the base, the upper end of the positioning rod penetrates through the metal frame and extends to the upper side of the metal frame, a through hole for the positioning rod to penetrate through is formed in the metal frame, and the damping spring is sleeved outside the positioning rod.
Preferably, the top surface of the metal frame is provided with at least one reinforcing rib, and the reinforcing rib is arranged along the circumferential direction of the metal frame.
Preferably, the number of the reinforcing ribs is two, and the through hole in the metal frame is located between the two reinforcing ribs.
Preferably, the bottom of the car is coated with a rubber sleeve.
Preferably, a triangular reinforcing plate is arranged between the vertical plate and the base.
The working principle of the invention is as follows: when the lift car falls, the lift car is buffered by an elastic steel wire rope arranged in the metal frame and a damper hinged on the metal frame; and, through set up the upper sleeve on the metal frame, set up the lower sleeve corresponding with the upper sleeve on the base, set up buffer spring between upper sleeve and the lower sleeve to further improve buffer capacity, the metal crate can be avoided taking place the upset to the setting of locating lever. In addition, because the car falls the impact force when great, through set up the rubber sleeve in car bottom, avoided car and elasticity wire rope direct contact to prevent that elasticity wire rope from receiving the fracture phenomenon after assaulting, also can play the effect of protection car simultaneously. The reinforcing ribs are arranged on the metal frame, so that the possibility of deformation of the metal frame is effectively reduced.
The invention has the beneficial effects that: can effectually cushion the protection to the car.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic top view of the metal frame of fig. 1 according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 and 2, a buffer protection device for an elevator comprises an elevator shaft 1 and a car 2, wherein the car 2 is arranged in the elevator shaft 1, the bottom of the elevator shaft 1 is provided with a base 3, the base 3 is provided with two vertical plates 4 which are symmetrically arranged, the inner side surface of each vertical plate 4 is provided with two connecting blocks 5, and the heights of the connecting blocks 5 on the two vertical plates 4 are consistent, a metal frame 6 positioned below the connecting blocks 5 is arranged between the two vertical plates 4, the metal frame 6 is horizontally arranged, the metal frame 6 is rectangular, a plurality of criss-cross elastic steel wire ropes 7 are arranged in the metal frame 6, the side part of the metal frame 6 is provided with connecting lugs 8 which are in one-to-one correspondence with the connecting blocks 5, a damper 9 is arranged between each connecting lug 8 and the corresponding connecting block 5, and two ends of the damper 9 are respectively hinged with the connecting lugs 8 and the connecting blocks 5 through pin shafts; the bottom surface four corners department of metal frame 6 all is equipped with opening upper sleeve 10 down, be equipped with on the base 3 with upper sleeve 10 one-to-one and opening lower sleeve 11 up, each lower sleeve 11 with correspond upper sleeve 10 coaxial, and be equipped with damping spring 12 between each lower sleeve 11 and the upper sleeve 10 that corresponds, the both ends of this damping spring 12 are connected with metal frame 6 and base 3 respectively.
A positioning rod 13 is provided between the lower sleeve 11 and the corresponding upper sleeve 10, the lower end of the positioning rod 13 is fixed to the base 3, the upper end of the positioning rod 13 penetrates the metal frame 6 and extends above the metal frame 6, a through hole 14 through which the positioning rod penetrates is provided in the metal frame 6, and the damper spring 12 is fitted around the outside of the positioning rod 13.
The top surface of the metal frame 6 is provided with at least one reinforcing rib 15, and the reinforcing rib 15 is arranged along the circumferential direction of the metal frame 6.
The number of the reinforcing ribs 15 is two, and the through hole 14 of the metal frame 6 is located between the two reinforcing ribs 15.
The bottom of the car 2 is covered with a rubber cover 16.
A triangular reinforcing plate 17 is arranged between the vertical plate 4 and the base 3.
The working principle of the invention is as follows: when the cage 2 falls, the cage 2 is buffered by an elastic steel wire rope 7 arranged in the metal frame 6 and a damper 9 hinged on the metal frame 6; in addition, the upper sleeve 10 is arranged on the metal frame 6, the lower sleeve 11 corresponding to the upper sleeve 10 is arranged on the base 3, and the buffer spring 12 is arranged between the upper sleeve 10 and the lower sleeve 11, so that the buffer capacity is further improved, and the metal frame 6 can be prevented from being overturned due to the arrangement of the positioning rod 13. In addition, because the car 2 impact force when falling is great, through set up rubber sleeve 16 in car 2 bottom, avoided car 2 and elastic wire rope 7 direct contact to prevent that elastic wire rope 7 from receiving the fracture phenomenon after assaulting, also can play the effect of protection car 2 simultaneously. The reinforcing ribs 15 are arranged on the metal frame 6, so that the possibility of deformation of the metal frame 6 is effectively reduced.
The invention has the beneficial effects that: can be effectual carry out buffering protection to car 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A buffer protection device for an elevator comprises an elevator shaft and a car, wherein the car is arranged in the elevator shaft, and the buffer protection device is characterized in that a base is arranged at the bottom of the elevator shaft, two vertical plates which are symmetrically arranged are arranged on the base, two connecting blocks are arranged on the inner side surface of each vertical plate, the heights of the connecting blocks on the two vertical plates are consistent, a metal frame positioned below the connecting blocks is arranged between the two vertical plates, the metal frame is horizontally arranged and is rectangular in shape, a plurality of elastic steel wire ropes which are criss-cross are arranged in the metal frame, connecting lugs which are in one-to-one correspondence with the connecting blocks are arranged on the side parts of the metal frame, dampers are arranged between the connecting lugs and the corresponding connecting blocks, and two ends of each damper are respectively hinged with the; four corners of the bottom surface of the metal frame are respectively provided with an upper sleeve with a downward opening, the base is provided with lower sleeves which are in one-to-one correspondence with the upper sleeves and have upward openings, each lower sleeve and the corresponding upper sleeve share an axis, a damping spring is arranged between each lower sleeve and the corresponding upper sleeve, and two ends of each damping spring are respectively connected with the metal frame and the base; a positioning rod is arranged between the lower sleeve and the corresponding upper sleeve, the lower end of the positioning rod is fixed with the base, the upper end of the positioning rod penetrates through the metal frame and extends to the upper part of the metal frame, a through hole for the positioning rod to penetrate through is formed in the metal frame, and the damping spring is sleeved outside the positioning rod; the top surface of the metal frame is provided with at least one reinforcing rib, and the reinforcing rib is arranged along the circumferential direction of the metal frame; the number of the reinforcing ribs is two, and the through hole in the metal frame is positioned between the two reinforcing ribs; the bottom of the car is coated with a rubber sleeve; a triangular reinforcing plate is arranged between the vertical plate and the base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811036851.6A CN108996361B (en) | 2018-09-06 | 2018-09-06 | Buffer protection device for elevator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811036851.6A CN108996361B (en) | 2018-09-06 | 2018-09-06 | Buffer protection device for elevator |
Publications (2)
Publication Number | Publication Date |
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CN108996361A CN108996361A (en) | 2018-12-14 |
CN108996361B true CN108996361B (en) | 2020-05-19 |
Family
ID=64591130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811036851.6A Active CN108996361B (en) | 2018-09-06 | 2018-09-06 | Buffer protection device for elevator |
Country Status (1)
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CN (1) | CN108996361B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109648261A (en) * | 2018-12-24 | 2019-04-19 | 重庆红方机电有限公司 | A kind of manufacturing method of elevator cushion axis |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204508492U (en) * | 2015-03-30 | 2015-07-29 | 湖南科技大学 | Buffer protection base when a kind of vertical lift elevator falls |
CN205419399U (en) * | 2016-03-25 | 2016-08-03 | 杨益文 | Elevator car buffer protection device that falls |
CN205652957U (en) * | 2016-05-31 | 2016-10-19 | 杨益文 | Elevator car's buffering protection device that falls |
CN206088652U (en) * | 2016-08-30 | 2017-04-12 | 四川腾达电梯制造有限公司 | Elevator buffer device |
CN207192529U (en) * | 2017-05-05 | 2018-04-06 | 江苏旭云物联信息科技有限公司 | A kind of lift car bottom buffer unit |
CN107628506A (en) * | 2017-10-19 | 2018-01-26 | 王建生 | A kind of anticollision device, collision-prevention device surprisingly to land for elevator |
CN108178044B (en) * | 2018-03-12 | 2024-01-16 | 界首市迅立达电梯有限公司 | Elevator buffer that falls |
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2018
- 2018-09-06 CN CN201811036851.6A patent/CN108996361B/en active Active
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Address after: 215000 1658 Huatian Road, Taoyuan Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suling Express Elevator (Suzhou) Co.,Ltd. Country or region after: China Address before: 215000, No. 1568 Huatian Road, Taoyuan Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: ZHONGHAI SANLING ELEVATOR (SUZHOU) CO.,LTD. Country or region before: China |