CN106219363B - A kind of elevator of fall arrest - Google Patents
A kind of elevator of fall arrest Download PDFInfo
- Publication number
- CN106219363B CN106219363B CN201610769135.3A CN201610769135A CN106219363B CN 106219363 B CN106219363 B CN 106219363B CN 201610769135 A CN201610769135 A CN 201610769135A CN 106219363 B CN106219363 B CN 106219363B
- Authority
- CN
- China
- Prior art keywords
- claw
- elevator
- carriage
- protective layer
- fall arrest
- 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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Classifications
-
- 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
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
-
- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Abstract
The embodiment of the invention discloses a kind of elevators of fall arrest, lift car of the invention includes body layer and protective layer, when lift car falls, the protective layer is separated with body layer, and it contacts and rubs with well enclosure, the speed of falling of carriage is reduced with this, guarantees the safety for taking personnel in elevator.The protective layer is scheduled in body layer by safety locking, and safety lock can work normally in the event of a power failure, even if powering off carriage due to various reasons in carriage drop event, the protective layer still can be separated normally, guarantees system reliability.
Description
Technical field
The present invention relates to a kind of elevator more particularly to a kind of elevators of fall arrest.
Background technique
Elevator is widely used in modern architecture, and safety is also constantly subjected to the attention of people.When elevator encounter due to
Wire cable rupture, earthquake etc. are unexpected, when carriage being caused suddenly to fall, it should can react in time, before carriage reaches hoistway bottom
Necessary safeguard procedures are taken, guarantee the personnel safety in carriage.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that a kind of elevator of fall arrest is provided, it can be in abnormal elevator
Automatically slow down itself speed when falling, and operation can be powered off, guarantee the safety for taking personnel in elevator.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of elevators of fall arrest, including are set to hoistway
Interior carriage, the carriage include body layer and protective layer, are equipped between the body layer and protective layer in compressive state
Elastic component, is equipped with safety lock between the body layer and protective layer, the safety lock includes the cooperate sub-buckle being arranged and mother
Button, the female thread are equipped with the locking mechanism for fixing the sub-buckle, and the locking mechanism includes speed sensor, gravity lock
Locking mechanism, claw and claw safety lock, the claw are used to cooperate with the sub-buckle, when it is closed, fasten the sub-buckle；When
When it is opened, the sub-buckle is unclamped；The claw safety lock is in energization when the carriage that the speed sensor detects
When speed is less than predetermined value, the claw is locked, when the car speed that the speed sensor detects is greater than predetermined value, is released
Put the claw；When claw safety lock power-off, the claw is discharged automatically；The gravity lockable mechanism is used for basis and works as
Preceding vertical acceleration magnitude opens or closes the claw.
As an improvement of the above scheme, the female thread is round tube, and the sub-buckle is the circle that can be sleeved in the round tube
The end of column, the cylinder is equipped with clamp.
As an improvement of the above scheme, the claw is symmetrically articulated with the upper and lower sides of the round tube, and can protrude into round tube,
The clamp of cylinder is fastened.
As an improvement of the above scheme, the gravity lockable mechanism includes the front connection claw of the hinge joint set on claw
It is connected with together with the compressed spring of round tube, and the balance weight set on the end for the claw being located on the downside of round tube, the claw
Bar is walked, the end of the synchronizing bar is set in horizontal concrete chute, and can be lauched in the limitation of the horizontal concrete chute smooth dynamic；Normal
Under gravity condition, the torque that the balance weight generates is greater than the torque that compressed spring generates.
As an improvement of the above scheme, the claw safety lock includes electromagnetism push rod, and the electromagnetism push rod is connected with block,
When the electromagnetism push rod is powered, the block stretches out, and the claw is made to keep lock state；When the electromagnetism push rod powers off
When, the block retracts, and the claw is made to be in free state.
As an improvement of the above scheme, the balance weight is protruding, can be set to elevator shaft wall on it is urgent
Trigger module cooperation, by the claw positive opening.
As an improvement of the above scheme, the urgent trigger module is set to carriage normal operational position on elevator shaft wall
Lower section.
As an improvement of the above scheme, the body layer is located at the side equipped with the protective layer equipped with escaping exit, generally
Under state, the escaping exit is covered by the protective layer；It is described when the protective layer is separated with body layer when safety lock opening
Escaping exit automatically opens, and there are escape gaps between the protective layer and body layer.
Implement the embodiment of the present invention, has the advantages that：
Lift car of the invention includes body layer and protective layer, when lift car falls, the protective layer with
Body layer separation, and contact and rub with well enclosure, the speed of falling of carriage is reduced with this, guarantees to take people in elevator
The safety of member.The protective layer is scheduled in body layer by safety locking, and safety lock can work normally in the event of a power failure, i.e.,
Make to power off carriage due to various reasons in carriage drop event, the protective layer still can be separated normally, guarantee system
Reliability.
Detailed description of the invention
Fig. 1 is a kind of schematic structural diagram of the first embodiment of the elevator of fall arrest of the present invention；
Fig. 2 is the separate state diagram of body layer and protective layer of the invention；
Fig. 3 is safety lock structure schematic diagram of the invention；
Fig. 4 is safety lock cross-sectional view of the invention；
Fig. 5 is a kind of schematic structural diagram of the second embodiment of the elevator of fall arrest of the present invention；
Fig. 6 is a kind of 3rd embodiment structural schematic diagram of the elevator of fall arrest of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.Only this is stated, the present invention occurs in the text or will occur up, down, left, right, before and after, it is inside and outside etc. just
Position word is not to specific restriction of the invention only on the basis of attached drawing of the invention.
As Figure 1-Figure 4, the embodiment of the invention provides a kind of elevators of fall arrest, including the sedan-chair being set in hoistway 1
Compartment 2, the carriage 2 include body layer 3 and protective layer 4, are equipped between the body layer 3 and protective layer 4 in compressive state
Elastic component 5, is equipped with safety lock 6 between the body layer 3 and protective layer 4, the safety lock 6 includes the sub-buckle being arranged that cooperates
61 and female thread 62, the female thread 62 is equipped with the locking mechanism for fixing the sub-buckle 61, and the locking mechanism includes speed
Inductor（It is not drawn into figure）, gravity lockable mechanism, claw 63 and claw safety lock 64, the claw 63 is used for and the sub-buckle
61 cooperations, when it is closed, fasten the sub-buckle 61；When it is opened, the sub-buckle 61 is unclamped；The claw safety lock 64 exists
In the case of energization when 2 speed of carriage that the speed sensor detects is less than predetermined value, the claw 63 is locked, when described
When 2 speed of carriage that speed sensor detects is greater than predetermined value, the claw 63 is discharged；When the claw safety lock 64 powers off
When, the claw 63 is discharged automatically；The gravity lockable mechanism is used to be opened or closed according to current vertical acceleration magnitude
The claw 63.
Lift car 2 of the invention includes body layer 3 and protective layer 4, when lift car 2 falls, the protection
Layer 4 is separated with body layer 3, and is contacted and rubbed with 1 wall of hoistway, and the speed of falling of carriage 2 is reduced with this, is guaranteed in elevator
The safety for taking personnel.The protective layer 4 is fixed in body layer 3 by safety lock 6, and safety lock 6 can be the case where powering off
Lower normal work, even if powering off carriage 2 due to various reasons in 2 drop event of carriage, the protective layer 4 still can be just
Often separation guarantees system reliability.
Wherein, the female thread 62 is round tube, and the sub-buckle 61 is the cylinder that can be sleeved in the round tube, the cylinder
End be equipped with clamp 611.The claw 63 is symmetrically articulated with the upper and lower sides of the round tube, and can protrude into round tube, by cylinder
Clamp 611 be fastened.
The gravity lockable mechanism includes the compression bullet of front the connection claw 63 and round tube of the hinge joint set on claw 63
Spring 65, and the balance weight 66 set on the end for the claw 63 being located on the downside of round tube, the claw 63 are connected with synchronizing bar 67,
The end of the synchronizing bar 67 is set in horizontal concrete chute 68, and can be lauched in the limitation of the horizontal concrete chute 68 smooth dynamic；Just
Under normal gravity condition, the torque that the balance weight 66 generates is greater than the torque that compressed spring 65 generates.
The claw safety lock 64 includes electromagnetism push rod 69, and the electromagnetism push rod 69 is connected with block 60, when the electromagnetism
When push rod 69 is powered, the block 60 stretches out, and the claw 63 is made to keep lock state；When the electromagnetism push rod 69 power-off,
The block 60 retracts, and the claw 63 is made to be in free state.
The following detailed description of the working principle of the present embodiment：
There are many reason of causing carriage 2 to drop extremely, are mainly the following：Motor brake failure, wire cable rupture with
And the building collapsing as caused by earthquake, attack of terrorism etc., traction system integrally fall.When carriage 2 is fallen, place
In state of weightlessness, acceleration and velocity anomaly, and it is often associated with the power failure of carriage 2.
Under normal condition, claw 63 of the invention is greater than the torsion that compressed spring 65 generates due to the torque that balance weight 66 generates
Square and remain off.
When there is a situation where carriage 2 is fallen and is remained powered on, carriage 2 is in state of weightlessness at this time, balance weight 66 is generated
Torque reduce and compressed spring 65 generate torque remain unchanged, when compressed spring 65 generate torque be greater than balance weight 66 production
Raw torque, the claw 63 will generate the trend opened.The speed sensor is for preventing the situations such as 2 kick of carriage from causing
The abnormal opening of claw 63.The inductor can be laser inductor, when speed sensor detects that the speed of carriage 2 is greater than
When setting the upper limit, the electromagnetism push rod 69 is issued and is instructed, block 60 is made to bounce back, claw 63 is opened, and the protective layer 4 is in elasticity
It is detached from body layer 3 under the driving of part 5, with 1 wall friction of hoistway, carriage 2 is made to slow down.On the other hand, the elastic component 5 plays itself
Buffer function between protective layer 4 and body layer 3 further lowers the impact that personnel receive in carriage 2.
When there is a situation where carriage 2 is fallen and is powered off, the electromagnetism push rod 69 in claw safety lock 64 is at this time
Automatic retracted state is powered off, to the restriction cancellation of claw 63.The unfolding mode of claw 63 copy above occur carriage 2 fall and
The case where remaining powered on.
As shown in figure 5, according to a second embodiment of the present invention, being different from the first embodiment in, the balance weight 66
It is protruding, it can cooperate with the urgent trigger module 7 being set on 1 wall of elevator shaft, by 63 positive opening of claw.Institute
Urgent trigger module 7 is stated set on the lower section of 2 normal operational position of carriage on 1 wall of elevator shaft.
It should be noted that the bottom of hoistway 1 is provided with the urgent buffer unit of fall arrest in existing part elevator.Its
Principle is the position spring arranged below and damping mechanism operated normally in the bottom of hoistway 1, carriage 2, when carriage 2 is fallen
When, 2 bottom of carriage will be contacted with above-mentioned spring and damping mechanism, generate certain buffering effect, be reduced and be generated to the personnel that take
Damage.But it is constrained to 1 space of hoistway and manufacturing cost, the buffer time of above-mentioned facility and buffer distance are limited, work as appearance
When the carriage 2 of higher floor is fallen, the personnel that take still are easy to come to harm.Above-mentioned facility is utilized in the present embodiment, and is setting
The position for setting the urgent buffer unit of fall arrest installs urgent trigger module 7, that is, the convex block crossed out additional.When it can just and be balanced
Block 66 contacts, and when they are contacted, that is, thinks that carriage 2 is fallen, and the urgent trigger module 7 passes through violence for claw the last 63
System is opened, and is slowed down before carriage 2 contacts the urgent buffer unit of fall arrest to carriage 2.
As shown in fig. 6, according to a third embodiment of the present invention, with the first and second embodiments the difference is that, described
Body layer 3 is located at the side equipped with the protective layer 4 and is equipped with escaping exit 8, and under general state, the escaping exit 8 is by the protective layer 4
Covering；When safety lock 6 is opened, when the protective layer 4 is separated with body layer 3, the escaping exit 8 is automatically opened, the protective layer 4
There are escape gaps between body layer 3.
It should be noted that the carriage 2 fallen, it generally will not be with elevator door to just, the rescue strength in outside is difficult to
Carriage 2 is opened in time, influences rescue opportunity.Protective layer 4 of the present invention under normal circumstances, is combined closely with body layer 3,
Increase the intensity of carriage 2.It can there are escaping exit 8, the elastic components 5 when it is separated with body layer 3, in the body layer 3
Guarantee that protective layer 4 and body layer 3 reserve enough distances, the personnel in carriage 2 can quickly escape from carriage by the escaping exit 8
2；Or rescue personnel enters carriage 2 by the escaping exit 8 and rescues.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (8)
1. a kind of elevator of fall arrest, including the carriage being set in hoistway, which is characterized in that the carriage includes body layer and prevents
Sheath is equipped with the elastic component in compressive state, sets between the body layer and protective layer between the body layer and protective layer
There is safety lock, the safety lock includes the cooperate sub-buckle being arranged and female thread, and the female thread is equipped with for fixing the son
The locking mechanism of button, the locking mechanism include speed sensor, gravity lockable mechanism, claw and claw safety lock, the card
Pawl is used to cooperate with the sub-buckle, when it is closed, fastens the sub-buckle；When it is opened, the sub-buckle is unclamped；The claw
Safety lock, when the car speed that the speed sensor detects is less than predetermined value, locks the claw in energization,
When the car speed that the speed sensor detects is greater than predetermined value, the claw is discharged；When the claw safety lock is disconnected
When electric, the claw is discharged automatically；The gravity lockable mechanism be used to be opened according to the current vertical acceleration magnitude of carriage or
Close the claw.
2. the elevator of fall arrest as described in claim 1, which is characterized in that the female thread is round tube, and the sub-buckle is can
The end of the cylinder being sleeved in the round tube, the cylinder is equipped with clamp.
3. the elevator of fall arrest as claimed in claim 2, which is characterized in that the claw is symmetrically articulated with the upper of the round tube
Downside, and can protrude into round tube, the clamp of cylinder is fastened.
4. the elevator of fall arrest as claimed in claim 3, which is characterized in that the gravity lockable mechanism includes being set to claw
The compressed spring of front the connection claw and round tube of hinge joint, and the balance set on the end for the claw being located on the downside of round tube
Block, the claw are connected with synchronizing bar, and the end of the synchronizing bar is set in horizontal concrete chute, and can be in the limit of the horizontal concrete chute
System is lauched smooth dynamic；Under the conditions of normal gravity, the torque that the balance weight generates is greater than the torque that compressed spring generates.
5. the elevator of fall arrest as claimed in claim 4, which is characterized in that the claw safety lock includes electromagnetism push rod, institute
It states electromagnetism push rod and is connected with block, when the electromagnetism push rod is powered, the block stretches out, and the claw is made to keep locking shape
State；When electromagnetism push rod power-off, the block is retracted, and the claw is made to be in free state.
6. the elevator of fall arrest as claimed in claim 5, which is characterized in that the balance weight is protruding, can with set
In the urgent trigger module cooperation on elevator shaft wall, by the claw positive opening.
7. the elevator of fall arrest as claimed in claim 6, which is characterized in that the urgent trigger module is set to elevator shaft wall
The lower section of upper carriage normal operational position.
8. the elevator of fall arrest as described in claim 1, which is characterized in that the body layer is located at equipped with the protective layer
Side is equipped with escaping exit, and under general state, the escaping exit is covered by the protective layer；When safety lock opening, the protective layer
When separating with body layer, the escaping exit is automatically opened, and there are escape gaps between the protective layer and body layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769135.3A CN106219363B (en) | 2016-08-31 | 2016-08-31 | A kind of elevator of fall arrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769135.3A CN106219363B (en) | 2016-08-31 | 2016-08-31 | A kind of elevator of fall arrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106219363A CN106219363A (en) | 2016-12-14 |
| CN106219363B true CN106219363B (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610769135.3A Active CN106219363B (en) | 2016-08-31 | 2016-08-31 | A kind of elevator of fall arrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106219363B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408531B (en) * | 2018-04-11 | 2023-07-04 | 波士顿电梯（湖州）有限公司 | Elevator anti-falling safety device |
| CN110143505A (en) * | 2019-05-20 | 2019-08-20 | 嘉世达电梯有限公司 | A kind of device for preventing elevator from falling |
| CN113266142B (en) * | 2021-04-30 | 2022-04-19 | 中交第四公路工程局有限公司 | Rapid lifting platform for elevator shaft construction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT398387B (en) * | 1991-08-23 | 1994-11-25 | Tyrolia Freizeitgeraete | SAFETY SKI BINDING |
| CN101462665B (en) * | 2007-12-17 | 2015-05-13 | 白士良 | Elevator safety level apparatus with multiple startup modes |
| CN204342218U (en) * | 2014-12-02 | 2015-05-20 | 开封市俱进建筑机械有限公司 | A kind of building hoist electromagnetism anti-fall device |
| CN205274937U (en) * | 2015-11-30 | 2016-06-01 | 林振信 | Trigger elastic element's object deceleration system |
| CN205397768U (en) * | 2015-12-19 | 2016-07-27 | 重庆威斯特电梯有限公司 | Elevator tenesmus buffer |
| CN105417311A (en) * | 2015-12-21 | 2016-03-23 | 天津帝茨科技有限公司 | Safe elevator |
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2016
- 2016-08-31 CN CN201610769135.3A patent/CN106219363B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106219363A (en) | 2016-12-14 |
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Denomination of invention: An elevator for preventing falling Effective date of registration: 20230303 Granted publication date: 20181120 Pledgee: Bank of China Limited Foshan Gaoming Sub-branch Pledgor: HOMEFRIEND & FUJI ELEVATOR Co.,Ltd. Registration number: Y2023980034052 |