CN107879217B - Elevator that security is high - Google Patents
Elevator that security is high Download PDFInfo
- Publication number
- CN107879217B CN107879217B CN201711363975.0A CN201711363975A CN107879217B CN 107879217 B CN107879217 B CN 107879217B CN 201711363975 A CN201711363975 A CN 201711363975A CN 107879217 B CN107879217 B CN 107879217B
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- CN
- China
- Prior art keywords
- car
- supporting plate
- falling
- rope
- accommodating groove
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 230000001133 acceleration Effects 0.000 claims abstract description 32
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 238000012806 monitoring device Methods 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000000872 buffer Substances 0.000 claims description 24
- 229920001971 elastomer Polymers 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000009528 severe injury Effects 0.000 abstract 1
- 239000000806 elastomer Substances 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241000242541 Trematoda Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- 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
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator with high safety, which comprises a well, a lift car, a plurality of landing stations and a position monitoring device for recording the landing stations where the lift car is positioned, wherein the lift car is positioned in the well, and the landing stations are positioned on the side wall of the well; the elevator car anti-falling device also comprises a controller, an acceleration sensor and a plurality of elevator car anti-falling mechanisms; the acceleration sensor is arranged on the lift car, a lift car anti-falling mechanism is arranged between every two adjacent landing stations, and the position monitoring device, the acceleration sensor and the lift car anti-falling mechanism are electrically connected with the controller; when the car falls due to breakage of a traction steel wire rope, the acceleration sensor generates and detects car acceleration signals, the car acceleration signals are transmitted to the controller, after the acceleration signals exceed a safety value, the controller sends out an execution signal to enable the car falling prevention mechanism below the car to work, the car is braked through the car falling prevention mechanism, and therefore severe damage to personnel and articles caused by the fact that the car falls to a pit at a high speed is avoided.
Description
Technical Field
The invention belongs to the technical field of elevator safety, and particularly relates to an elevator with high safety.
Background
An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. The working principle is as follows: the traction rope is connected with the lift car and the counterweight at two ends respectively and is wound on the traction sheave and the guide sheave, the traction motor drives the traction sheave to rotate after the speed of the traction motor is changed through the speed reducer, and the lifting movement of the lift car and the counterweight is realized by the traction force generated by friction of the traction rope and the traction sheave, so that the purpose of transportation is achieved.
In recent years, as elevator accidents continue to occur, people are paying more attention to safety protection devices of elevators. When the car moves to a higher floor, if the steel rope for pulling the car breaks, the protection device in the falling process of the car is generally a safety clamp, but the situation that the car guide rail breaks or the safety clamp fails occurs, the car always accelerates to fall to the pit, and even if the pit is provided with a buffer as the final protection measure, serious damage can be caused to personnel and articles in the car, so that the protection device when the elevator falls needs to be improved.
Disclosure of Invention
The present invention aims to provide an elevator with high safety, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the elevator with high safety comprises a hoistway, an elevator car, a plurality of landing stations, a position monitoring device for recording the landing stations where the elevator car is located, wherein the elevator car is located in the hoistway, the landing stations are located on the side wall of the hoistway, and the elevator further comprises a controller, an acceleration sensor and a plurality of elevator car falling prevention mechanisms;
the acceleration sensor is arranged on the lift car, a lift car falling prevention mechanism is arranged between every two adjacent landing stations, and the position monitoring device, the acceleration sensor and the lift car falling prevention mechanism are electrically connected with the controller; when the car falls due to breakage of the traction steel wire rope, the acceleration sensor generates and detects an acceleration signal of the car and transmits the acceleration signal to the controller, and after the acceleration signal exceeds a safety value, the controller sends out an execution signal to enable a car falling prevention mechanism below the car to work, and the car falling prevention mechanism is used for braking the car.
Preferably, the car anti-falling mechanism comprises a transmitting mechanism and a receiving mechanism, a transmitting accommodating groove and a receiving accommodating groove are further formed between every two adjacent landing stations, the transmitting accommodating groove and the receiving accommodating groove are respectively located on opposite side walls of a hoistway, the transmitting mechanism is arranged in the transmitting accommodating groove, and the receiving mechanism is arranged in the receiving accommodating groove.
Preferably, the launching mechanism comprises an anchor hook launcher, an anchor hook, a rope and a rope box fixedly connected in the launching accommodating groove, wherein the anchor hook launcher is arranged on the rope box and is electrically connected with the controller, the anchor hook is arranged on the launching end of the anchor hook launcher, a connecting ring is arranged on the anchor hook, and one end of the rope extends out of the rope box and is connected with the connecting ring;
the receiving mechanism comprises a fixing column and a cross rod for fixing the anchor hook, the cross rod is fixed in the receiving groove through the fixing column, the cross rod and the rope box are located on the same horizontal plane, and a plurality of blocking columns are arranged on the cross rod at intervals.
Preferably, the car anti-falling mechanism is arranged near the bottom of the landing.
Preferably, at least two emission mechanisms are arranged in one emission accommodating groove, and ropes emitted by the emission mechanisms in the same emission accommodating groove form a buffer net together; the rope is a steel wire rope.
Preferably, a buffer mechanism is arranged at the bottom of the car.
Preferably, the buffer gear is including last backup pad, lower backup pad, arc elastomer, a plurality of stand and a plurality of buffer, go up backup pad, stand, lower backup pad and arc elastomer and set gradually from top to bottom, go up backup pad fixed connection in the bottom of car, it is connected with the lower backup pad through the stand to go up the backup pad, the buffer sets up between last backup pad and lower backup pad, arc elastomer fixed connection is in the bottom of lower backup pad.
Preferably, the area of the upper supporting plate is larger than the area of the bottom of the car, the upright posts are positioned at the edge positions of the upper supporting plate, and the car is positioned among a plurality of upright posts.
Preferably, the material of the arc-shaped elastomer is rubber.
The beneficial effects are that:
(1) According to the elevator with high safety, after the steel rope for pulling the elevator car to ascend and descend is broken, the acceleration sensor on the elevator car senses that the acceleration of the elevator car exceeds a safety value, landing information of the elevator car is fed back to the controller through the position monitoring device, the controller sends a signal to the elevator car anti-falling mechanism below the elevator car, and the elevator car is braked through the rope of the elevator car anti-falling mechanism, so that serious damage to personnel and articles caused by the elevator car falling to the pit at a high speed is avoided.
(2) According to the elevator with high safety, the rope box and the cross rod are positioned on the same horizontal plane, so that the stress at two ends of the rope is balanced, and the bearing capacity of the rope is enhanced; the blocking posts on the cross rod can fix different anchor hooks at corresponding positions on the cross rod, so that the anchor hooks are prevented from sliding mutually to influence the normal operation of the rope.
(3) According to the elevator with high safety, the car anti-falling mechanism is arranged near the bottom of the landing, so that after the car is braked by the rope, the braking position of the car is adapted to the landing, rescue workers can rescue from the car braking landing, and trapped workers can be conveniently separated from the car.
(4) According to the elevator with high safety, the ropes emitted by the emitting mechanisms in the same emitting accommodating groove form a buffer network together, and the ropes are steel wire ropes, so that the bearing and supporting capacity of the ropes on the elevator car can be enhanced.
(5) According to the elevator with high safety, the buffer mechanism is arranged at the bottom of the elevator car, the buffer and the arc-shaped elastic body can buffer the stress at the bottom of the elevator car, and the arc-shaped elastic body is just matched with the shape of the rope after the stress, so that the bearing capacity of the rope on the elevator car is further improved; wherein, the stand is located the border position of last backup pad, and the car is located between a plurality of stand, and the stand can be crooked and reduce the effort to the car with last backup pad behind the atress of car bottom, rational in infrastructure practical.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of an operation state of the car fall protection mechanism according to the present invention.
Fig. 3 is a schematic diagram of a transmitting mechanism in the present invention.
Fig. 4 is a schematic diagram of a receiving mechanism according to the present invention.
Fig. 5 is a bottom view of a brake car with a buffer network according to the present invention.
Fig. 6 is a schematic side view of the car of the present invention.
In the figure: 1-well, 2-car, 3-landing, 4-emission mechanism, 5-receiving mechanism, 6-emission accommodation groove, 7-receiving accommodation groove, 8-anchor hook transmitter, 9-anchor hook, 10-rope, 11-rope case, 12-go-between, 13-fixed column, 14-horizontal pole, 15-barrier column, 16-upper support plate, 17-lower support plate, 18-arc elastomer, 19-stand, 20-buffer.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, the elevator with high safety comprises a hoistway 1, a car 2, a plurality of landing stations 3, a position monitoring device for recording the landing stations where the car is located, wherein the car 2 is located in the hoistway 1, the landing stations 3 are located on the side wall of the hoistway 1, and the elevator further comprises a controller, an acceleration sensor and a plurality of car anti-falling mechanisms;
the acceleration sensor is arranged on the lift car 2, a lift car anti-falling mechanism is arranged between every two adjacent landing stations 3, and the position monitoring device, the acceleration sensor and the lift car anti-falling mechanism are all electrically connected with the controller; when the car 2 falls due to breakage of the traction steel wire rope, the acceleration sensor generates an acceleration signal for detecting the car 2 and transmits the acceleration signal to the controller, and after the acceleration signal exceeds a safety value, the controller sends out an execution signal to enable a car falling prevention mechanism below the car 2 to work, and the car falling prevention mechanism is used for braking the car 2.
The car anti-falling mechanism comprises a transmitting mechanism 4 and a receiving mechanism 5, a transmitting accommodating groove 6 and a receiving accommodating groove 7 are further formed between every two adjacent landing stations 3, the transmitting accommodating groove 6 and the receiving accommodating groove 7 are respectively located on opposite side walls of a hoistway 1, the transmitting mechanism 4 is arranged in the transmitting accommodating groove 6, and the receiving mechanism 5 is arranged in the receiving accommodating groove 7.
The launching mechanism 4 comprises an anchor hook launcher 8, an anchor hook 9, a rope 10 and a rope box 11 fixedly connected in the launching accommodating groove 6, the anchor hook launcher 8 is arranged on the rope box 11, the anchor hook launcher 8 is electrically connected with the controller, the anchor hook 9 is arranged on the launching end of the anchor hook launcher 8, a connecting ring 12 is arranged on the anchor hook 9, and one end of the rope 10 extends out of the rope box 11 and is connected with the connecting ring 12;
the receiving mechanism 5 comprises a fixing column 13 and a cross rod 14 for fixing the anchor hook 9, the cross rod 14 is fixed in the receiving groove 7 through the fixing column 13, the cross rod 14 and the rope box 11 are positioned on the same water level, and a plurality of blocking columns 15 are arranged on the cross rod 14 at intervals.
The working principle of the embodiment is as follows: the structure and working principle of the launching mechanism 4 used in the embodiment are generally consistent with those of a throwing device in the prior art, when a steel rope pulling the lifting of the car 2 is broken, the car 2 is accelerated to fall due to gravity, an acceleration sensor on the car 2 senses that the acceleration of the car 2 exceeds a safety value, the information of a landing 3 where the car 2 is located is fed back to a controller through a position monitoring device, the controller sends a signal to a car anti-falling mechanism below the car 2, the launching mechanism 4 launches an anchor hook 9 with a rope 10 to an opposite receiving mechanism 5 through an anchor hook launcher 8, two ends of the rope 10 are respectively fixed through the anchor hook 9 and a rope box 11, and the car 2 can be braked through the rope 10, so that serious damages to personnel and articles caused by the high-speed falling of the car 2 to a pit are avoided.
The rope box 11 and the cross bar 14 are positioned on the same horizontal plane, so that the stress at the two ends of the rope 10 is balanced, and the bearing capacity of the rope 10 is enhanced; the blocking posts 15 on the cross bar 14 enable different flukes 9 to be fixed at corresponding positions on the cross bar 14, and prevent the flukes 9 from sliding relative to each other so as to influence the normal operation of the rope 10.
Example 2
On the basis of embodiment 1, the car fall protection mechanism is arranged near the bottom of the landing 3.
According to the elevator with high safety, after the elevator car 2 is braked by the rope 10, the braking position of the elevator car 2 is matched with the landing 3, rescue workers can rescue from the elevator car 2 by braking the landing 3, and trapped workers can be conveniently separated from the elevator car 2.
Example 3
As shown in fig. 5, on the basis of embodiment 2, at least two emission mechanisms 4 are disposed in one emission accommodation groove 6, and ropes 10 emitted by the emission mechanisms 4 in the same emission accommodation groove 6 form a buffer network together; the rope 10 is a wire rope.
An elevator of high safety of this embodiment can enhance the bearing and supporting ability of the rope 10 to the car 2.
Example 4
As shown in fig. 6, a buffer mechanism is provided at the bottom of the car 2 in accordance with embodiment 3. The buffer mechanism comprises an upper supporting plate 16, a lower supporting plate 17, an arc-shaped elastic body 18, a plurality of stand columns 19 and a plurality of buffers 20, wherein the upper supporting plate 16, the stand columns 19, the lower supporting plate 17 and the arc-shaped elastic body 18 are sequentially arranged from top to bottom, the upper supporting plate 16 is fixedly connected to the bottom of the lift car 2, the upper supporting plate 16 is connected with the lower supporting plate 17 through the stand columns 19, the buffers 20 are arranged between the upper supporting plate 16 and the lower supporting plate 17, and the arc-shaped elastic body 18 is fixedly connected to the bottom of the lower supporting plate 17. The area of the upper support plate 16 is larger than that of the bottom of the car 2, the upright posts 19 are positioned at the edge positions of the upper support plate 16, and the car 2 is positioned among a plurality of upright posts 19. The material of the arc-shaped elastic body 18 is rubber.
The elevator with high safety in the embodiment can buffer the stress at the bottom of the elevator car 2 by the buffer 20 and the arc-shaped elastic body 18, and the arc-shaped elastic body 18 is just matched with the shape of the rope 10 after being stressed, so that the bearing capacity of the rope 10 on the elevator car 2 is further improved; the upright posts 19 are positioned at the edge of the upper supporting plate 16, the car 2 is positioned among the plurality of upright posts 19, the upper supporting plate 16 can be bent by the upright posts 19 after the bottom of the car 2 is stressed, the acting force on the car 2 is reduced, and the structure is reasonable and practical.
The above description of the specific embodiments of the present invention has been given by way of example only, and the present invention is not limited to the above description of the specific embodiments. Any equivalent modifications and substitutions for the present invention will occur to those skilled in the art, and are also within the scope of the present invention. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present invention without departing from the spirit and scope thereof.
Claims (7)
1. The utility model provides an elevator that security is high, including well (1), car (2), a plurality of landing (3) and be used for the position monitoring device who records the landing that the car is located, car (2) are located well (1), landing (3) are located the lateral wall of well (1), its characterized in that:
the elevator car anti-falling device also comprises a controller, an acceleration sensor and a plurality of elevator car anti-falling mechanisms;
the acceleration sensor is arranged on the lift car (2), a lift car anti-falling mechanism is arranged between every two adjacent landing stations (3), and the position monitoring device, the acceleration sensor and the lift car anti-falling mechanism are electrically connected with the controller; when the lift car (2) falls due to breakage of a traction steel wire rope, the acceleration sensor generates an acceleration signal for detecting the lift car (2) and transmits the acceleration signal to the controller, and after the acceleration signal exceeds a safety value, the controller sends an execution signal to enable a lift car falling prevention mechanism below the lift car (2) to work, and the lift car falling prevention mechanism is used for braking the lift car (2);
the car anti-falling mechanism comprises a transmitting mechanism (4) and a receiving mechanism (5), a transmitting accommodating groove (6) and a receiving accommodating groove (7) are arranged between two adjacent landing stations (3), the transmitting accommodating groove (6) and the receiving accommodating groove (7) are respectively positioned on opposite side walls of a hoistway (1), the transmitting mechanism (4) is arranged in the transmitting accommodating groove (6), and the receiving mechanism (5) is arranged in the receiving accommodating groove (7);
the launching mechanism (4) comprises an anchor hook launcher (8), an anchor hook (9), a rope (10) and a rope box (11) fixedly connected in the launching accommodating groove (6), wherein the anchor hook launcher (8) is arranged on the rope box (11), the anchor hook launcher (8) is electrically connected with the controller, the anchor hook (9) is arranged on the launching end of the anchor hook launcher (8), a connecting ring (12) is arranged on the anchor hook (9), and one end of the rope (10) extends out of the rope box (11) and is connected with the connecting ring (12);
the receiving mechanism (5) comprises a fixing column (13) and a cross rod (14) for fixing the anchor hook (9), the cross rod (14) is fixed in the receiving groove (7) through the fixing column (13), the cross rod (14) and the rope box (11) are located on the same horizontal plane, and a plurality of blocking columns (15) are arranged on the cross rod (14) at intervals.
2. The high-safety elevator according to claim 1, characterized in that: the car anti-falling mechanism is arranged close to the bottom of the landing (3).
3. The high-safety elevator according to claim 2, characterized in that: at least two emission mechanisms (4) are arranged in one emission accommodating groove (6), and ropes (10) emitted by the emission mechanisms (4) in the same emission accommodating groove (6) form a buffer network together; the rope (10) is a steel wire rope.
4. A high safety elevator according to any one of claims 1-3, characterized in that: the bottom of the car (2) is provided with a buffer mechanism.
5. The high-safety elevator according to claim 4, characterized in that: the buffer mechanism comprises an upper supporting plate (16), a lower supporting plate (17), an arc-shaped elastic body (18), a plurality of stand columns (19) and a plurality of buffers (20), wherein the upper supporting plate (16), the stand columns (19), the lower supporting plate (17) and the arc-shaped elastic body (18) are sequentially arranged from top to bottom, the upper supporting plate (16) is fixedly connected to the bottom of the car (2), the upper supporting plate (16) is connected with the lower supporting plate (17) through the stand columns (19), the buffers (20) are arranged between the upper supporting plate (16) and the lower supporting plate (17), and the arc-shaped elastic body (18) is fixedly connected to the bottom of the lower supporting plate (17).
6. The high-safety elevator according to claim 5, characterized in that: the area of the upper supporting plate (16) is larger than the area of the bottom of the car (2), the stand columns (19) are located at the edge positions of the upper supporting plate (16), and the car (2) is located among a plurality of stand columns (19).
7. The high-safety elevator according to claim 6, characterized in that: the arc-shaped elastic body (18) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363975.0A CN107879217B (en) | 2017-12-18 | 2017-12-18 | Elevator that security is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363975.0A CN107879217B (en) | 2017-12-18 | 2017-12-18 | Elevator that security is high |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107879217A CN107879217A (en) | 2018-04-06 |
| CN107879217B true CN107879217B (en) | 2024-02-06 |
Family
ID=61770922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711363975.0A Active CN107879217B (en) | 2017-12-18 | 2017-12-18 | Elevator that security is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107879217B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575061A (en) * | 2009-02-25 | 2009-11-11 | 日立电梯（中国）有限公司 | Elevator fall protective device |
| CN105438914A (en) * | 2016-01-07 | 2016-03-30 | 西华大学 | Car type elevator anti-falling safety system |
| CN207581102U (en) * | 2017-12-18 | 2018-07-06 | 康达电梯有限公司 | A kind of safe elevator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060201744A1 (en) * | 2005-03-14 | 2006-09-14 | Susan Curtis | Elevator shaft safety net system |
-
2017
- 2017-12-18 CN CN201711363975.0A patent/CN107879217B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575061A (en) * | 2009-02-25 | 2009-11-11 | 日立电梯（中国）有限公司 | Elevator fall protective device |
| CN105438914A (en) * | 2016-01-07 | 2016-03-30 | 西华大学 | Car type elevator anti-falling safety system |
| CN207581102U (en) * | 2017-12-18 | 2018-07-06 | 康达电梯有限公司 | A kind of safe elevator |
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| Publication number | Publication date |
|---|---|
| CN107879217A (en) | 2018-04-06 |
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