CN106044605B - Brake device for elevator and method - Google Patents
Brake device for elevator and method Download PDFInfo
- Publication number
- CN106044605B CN106044605B CN201610397783.0A CN201610397783A CN106044605B CN 106044605 B CN106044605 B CN 106044605B CN 201610397783 A CN201610397783 A CN 201610397783A CN 106044605 B CN106044605 B CN 106044605B
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- Prior art keywords
- steel wire
- wire rope
- movable clip
- block
- elevator
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of brake device for elevator and methods, to steel wire rope or guide rail bi-directional braking and include：At least a pair of of fixing clip, can be relatively fixed fixture block moves back and forth and is located at driving mechanism that at least a pair of of movable clip block, the driving movable clip block of steel wire rope both sides move and be arranged on respective activity fixture block and with the friction plate of steel wire rope CONTACT WITH FRICTION, wherein the wedge block cooperation each other of the fixing clip and movable clip block.The present invention realizes the bi-directional braking of steel wire rope using the cooperation of the positive and negative lozenges of fixing clip and movable clip block and realizes self-locking, to achieve the purpose that braking, avoid Safe Failure, the serious accident of casualties is reduced, it is simple in structure, it is easy for installation, engaged position is small, it can be mounted on by elevator(lift) machine room or traction machine, be transformed convenient for old ladder, solve the problems, such as that existing elevator does not have deadman's brake installation site.
Description
Technical field
The present invention relates to a kind of brake device for elevator and methods.
Background technology
Along with the development of urban construction and the raising of people's quality of life, resident trip can enjoy good land
When Public Transport Service, also thirst for obtaining easily vertical transportation in house.Therefore, in recent years, the quantity of elevator rapidly increases
Long, national elevator ownership was from 28.5 ten thousand increase 2013 300.93 ten thousand in 2003.Elevator is as a kind of spy
The different vehicles are the essential walking-replacing tools of common people's trip, and unprecedented side is brought to the daily life of the people
Just, the problem of safety of operation, reliability are many people's general concerns, residential lift quality directly affects old hundred
Surname quality of life, 2014, State General Administration for Quality Supervision carried out 2523 uses 15 years of drug in some provinces or more old elevator
Selective examination, with the presence of the 7% larger security risk of elevator, and elevator safety accident increases also by the close of government and news media
Cut concern.Elevator is classified as the fourth-largest dangerous neck of China by the Vice Premier of the State Council on the 16th of August in 2015, national Safety Committee director Ma Kai
Domain comes before coal mine, and carries out thorough examination of safety in production and comprehensive supervise and examine immediately.Short less than in 3 months, China
Top news is being gone up by the concentration of CCTV media and State Council care with elevator, China's elevator safety of being impelled to speak is implicitly present in thing
Therefore hidden danger, to the stage for having to administer.And China is that " car opens the door in the major security risk existing for elevator
Ladder " and " car stall or out of control fall or rush to summit ", and the reason of leading to these security risks, is specific as follows：
1, in Elevator Stop, after hall door and car door opening, passenger and cargo pass in and out car, can not rule out at this time super
It carries, shake and cause service brake brake force insufficient, and there are greasy dirt, brake mechanical parts failure such as braking occurs for braking surface
Pad wear, energy storage compressed spring aging generate plastic deformation etc.；
Although 2, brake has sufficiently large brake force, but still can have overload, shake and cause steel wire rope in traction sheave
On due to traction deficiency generate sliding (steel wire rope and traction wheel tread have oil, use of length of steel rope time attenuate cause and
The reduction of traction sheave race contact surface, traction sheave work surface wear, the underproof traction sheave of replacement etc.)；Once and brake force is insufficient
Or traction is insufficient, the serious accident that will be caused casualties；
3, frequency converter control unit failure sends out false command and enabling is caused to walk terraced accident.
Thus thorough to realize the bi-directional braking of steel wire rope or guide rail it is necessary to propose a kind of brake device for elevator and method
Bottom solves above-mentioned security risk.
Invention content
Purpose of the present invention is to：A kind of brake device for elevator and method are provided, it can be achieved that the bi-directional braking of steel wire rope or guide rail,
It is versatile, it is convenient for the transformation of old elevator, and reliability is high.
The present invention the first technical solution be：A kind of brake device for elevator to steel wire rope or guide rail bi-directional braking and wraps
It includes：At least a pair of of fixing clip can be relatively fixed at least a pair of of work that fixture block moved back and forth and be located at steel wire rope or guide rail both sides
Dynamic fixture block, the driving mechanism of driving movable clip block movement and setting rub on respective activity fixture block and with steel wire rope or guide rail
The friction plate of contact is wiped, wherein wedge block coordinates each other for the fixing clip and movable clip block.
Based on the above technical solution, it further includes the following affiliated technical solutions：
Preferably, the fixing clip side be provided with the first inclined-plane and positioned at the first inclined-plane both sides a pair of the
Two inclined-planes, and the movable clip block the third inclined-plane that side is provided with to the first inclined-plane coordinates and with corresponding second inclined-plane
The 4th inclined-plane of a pair accordingly coordinated.
Preferably, the inclined direction on the inclined direction on first inclined-plane and the second inclined-plane is each other on the contrary, third inclined-plane
Inclined direction and the inclined direction on the 4th inclined-plane are opposite each other.
Preferably, the fixing clip other side is then with support spring abutting contact, and the other side of movable clip block is then set
The friction plate is set, and the oblique angle on the first, second, third and fourth inclined-plane is less than 10 degree.
Preferably, the driving mechanism include positioned at both ends upper and lower holder and the upper and lower holder of connection connecting rod,
Rotary shaft that is parallel with connecting rod and allowing connecting rod relative rotation, the swing rod for driving a connecting rod to rotate and driving swing rod
The driving unit of rotation.
Preferably, it includes being oppositely arranged that the driving unit, which is electromagnet, electronic, hydraulic pressure, pneumatic unit, and the holder,
The first strut of a pair, with the first strut respective hinge and the second strut of a pair for being oppositely arranged, wherein the first and second strut is common
The quadrangle frame of expansible or diminution is formed, and is surrounded jointly with the friction plate on movable clip block vertical for steel wire rope or guide rail
The rope or guide-rail channel of reciprocating motion.
Preferably, the length of second strut is more than the length of the first strut, and the second strut is fixed with movable clip block
Connection, wherein at least a connecting rod pass through movable clip block.
The present invention the second technical solution be：A kind of brake device for elevator to steel wire rope or guide rail bi-directional braking and wraps
It includes：At least a pair of of fixing clip can be relatively fixed at least a pair of of work that fixture block moved back and forth and be located at steel wire rope or guide rail both sides
Dynamic fixture block, the driving mechanism of driving movable clip block movement and setting rub on respective activity fixture block and with steel wire rope or guide rail
The friction plate for wiping contact, wherein the fixing clip and movable clip block are respectively arranged with mutually matched positive and negative lozenges.
The present invention third technical solution be：A kind of elevator brake method comprising following steps：
S1：At least a pair of of fixing clip is provided, fixture block can be relatively fixed moves back and forth and is located at steel wire rope or guide rail both sides
At least a pair of of movable clip block, driving movable clip block movement driving mechanism and be arranged on respective activity fixture block and and steel
Cord or rail friction contact friction plate, wherein the fixing clip and movable clip block be respectively arranged with it is mutually matched positive and negative
Lozenges；
S2：When initial, there are gaps for friction plate and steel wire rope or guide rail；
S3：When braking, driving mechanism drives the friction plate of movable clip block and steel wire rope or guide rail contact, and movable clip block with
It steel wire rope or guide rail moves synchronously and enters step S4；
S4：When movable clip block, which is relatively fixed fixture block, is moved to self-locking position, steel wire rope or guide rail are by friction plate two-way grip
Firmly；
S5：When releasing braking, step S2 is returned to.
Preferably, the oblique angle of the positive and negative lozenges is less than 10 degree.
The method have the advantages that：
1, coordinated using the positive and negative lozenges of fixing clip and movable clip block to realize the bi-directional braking of steel wire rope or guide rail
And realize that self-locking avoids Safe Failure to achieve the purpose that braking, reduce the serious accident of casualties.
2, drive upper and lower holder that movable clip block is made to keep clamp position under electromagnet effect, and after Power resumption,
Clamp pressure of the movable clip block to steel wire rope or guide rail can be voluntarily released, steel wire rope or guide rail is made to restore normal operating condition, from
And efficiently solve the problems, such as that large-area power-cuts equipment is self-healing.
3, simple in structure, easy for installation, engaged position is small, can be mounted on by elevator(lift) machine room or traction machine, change convenient for old ladder
It makes, solves the problems, such as that existing elevator does not have deadman's brake installation site.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is that movable clip block is relatively fixed the structure chart that fixture block is in original state in the present invention；
Fig. 2 is that movable clip block is relatively fixed the structure chart that fixture block moves upwards in the present invention；
Fig. 3 is that movable clip block is relatively fixed the structure chart that fixture block moves downward in the present invention；
Fig. 4 is the side view that driving mechanism is in clamped condition in the present invention；
Fig. 5 is the side view that driving mechanism is in open configuration in the present invention；
Fig. 6 is stereogram of the driving mechanism under a visual angle in the present invention；
Fig. 7 is stereogram of the driving mechanism under another visual angle in the present invention；
Fig. 8 is the vertical view of driving mechanism and steel wire rope in the present invention.
Specific implementation mode
Embodiment：As shown in figures 1-8, it the present invention provides a kind of first embodiment of brake device for elevator, is used for pair
Steel wire rope 42 or guide rail bi-directional braking, including：At least a pair of of fixing clip 10 can be relatively fixed the reciprocating motion of fixture block 10 and be located at
Steel wire rope 42 or at least a pair of of movable clip block 20 of guide rail both sides, the driving mechanism 30 of the driving movement of movable clip block 20, Yi Jishe
The friction plate 50 set on movable clip block 20 and contacted with steel wire rope 42 or rail friction, wherein fixing clip 10 are arranged in side
Have the first inclined-plane 12 and the second inclined-plane of a pair 14 positioned at 12 both sides of the first inclined-plane, movable clip block 20 side be provided with
The third inclined-plane 22 of first inclined-plane 12 cooperation and the 4th inclined-plane 24 of a pair accordingly coordinated with corresponding second inclined-plane.Geometrical clamp
10 other side of block is then with support spring (not shown) abutting contact, and 20 other side of movable clip block is then provided with friction plate 50.The
The inclined direction on the inclined direction on one inclined-plane 12 and the second inclined-plane 14 each other on the contrary, the inclined direction on third inclined-plane 22 and the 4th tiltedly
Thus the inclined direction in face 24 between fixing clip 10 and movable clip block 20 by the form of positive and negative lozenges each other on the contrary, carried out
It is slidably matched, i.e., fixing clip 10 is provided with positive and negative lozenges, and movable clip block 20 is also correspondingly provided with positive and negative lozenges and carries out
Cooperation, the first inclined-plane 12 and the 4th inclined-plane 24 are positive lozenges in the present embodiment, wedge like protrusion, and 14 He of the second inclined-plane
Third inclined-plane 22 is anti-lozenges, wedge like slot.
Driving mechanism 30 include positioned at both ends upper and lower holder and the upper and lower holder of connection connecting rod 36, with connect
Bar 36 is parallel and allows the rotary shaft 37 of connecting rod relative rotation, the swing rod 38 for driving a connecting rod 36 to rotate, driving swing rod 38
Rotation and the driving unit 39 for being located at 10 other side of fixing clip.Driving unit 39 preferably uses electromagnet side in the present embodiment
Formula, similarly, driving unit 39 or electronic, hydraulic pressure, pneumatic unit.Holder includes the first strut of a pair being oppositely arranged
32, with 32 respective hinge of the first strut and second strut of a pair 34 that is oppositely arranged, the wherein center of connecting rod 36 and first
The number of bar 32 and the hinged central coaxial of the second strut 34, connecting rod 36 is 4, two connecting rods 36 of one pair of which linea angulata
Across movable clip block 20, and another cornerwise two connecting rods 36 then it is exposed outside, and there are one being pivotally connected to connect with swing rod 38,
The length of second strut 34 is more than the length of the first strut 32, and parallelogram side is collectively formed in the first and second strut 32,34
Frame, and the rope channel 40 for steel wire rope 42 or guide rail up-and-down movement is collectively formed with the friction plate 50 on movable clip block 20
Or guide-rail channel.
As shown in Figure 1, when initial, the 4th inclined-plane 24 of movable clip block 20 and the second inclined-plane 14 of fixing clip 10 against with
It closes, and the third inclined-plane 22 of movable clip block 20 is then located remotely from each other with the first inclined-plane 12 of fixing clip 10.
When car door is opened, controller signals to driving unit 39,39 dead electricity of driving unit, and swing rod 38 is promoted to revolve
Turn, upper and lower holder is driven to execute pinching action, as shown in figure 4, the movable clip block 20 of 42 both sides of steel wire rope is pressed from both sides towards steel wire rope 42
It tightly moves, thus friction plate 50 and 42 abutting contact of steel wire rope.When accident, which occurs, for steel wire rope 42 moves up, as shown in Fig. 2,
Movable clip block 20 under the action of frictional force also up walks by synchronization, and the of the 4th inclined-plane 24 of movable clip block 20 and fixing clip 10
Two inclined-planes 14 are gradually distance from cooperation, and the third inclined-plane 22 of movable clip block 20 is then gradually supported with the first inclined-plane 12 of fixing clip 10
By cooperation, thus there is interval in movable clip block 20 and fixing clip 10 in the horizontal direction, and movable clip block 20 more up moves, and rubs
Gap between pad 50 and steel wire rope 42 is smaller, and frictional force is bigger, thus the friction plate 50 of movable clip block 20 and steel wire rope 42
Between generate Self-locking angle, realize self-locking, ensure that car safety is stopped；When accident, which occurs, for steel wire rope 42 moves down, such as Fig. 3 institutes
Show, the 4th inclined-plane 24 of movable clip block 20 matches to merge with the second inclined-plane 14 of fixing clip 10 to be moved downward, and movable clip block 20
Third inclined-plane 22 then continue the separate cooperation with the first inclined-plane 12 of fixing clip 10, movable clip block 20 more moves down, rubs
Gap between pad 50 and steel wire rope 42 is smaller, and frictional force is bigger, thus the friction plate 50 of movable clip block 20 and steel wire rope 42
Between generate Self-locking angle, realize self-locking, ensure that car safety is stopped, also avoid in this way in existing structure from starting just to be produced from
Lock, it is desirable that spring dynamics is larger, and required power of electromagnet is larger.And when car door is closed, controller transmits
Number give driving unit 39, driving unit 39 it is electric, upper and lower holder executes expansion action, as shown in figure 5, friction plate 50 and steel wire
Rope 42 disengages, and steel wire rope 42 restores normal operating condition, and car normally moves up and down.
On the basis of first embodiment, the present invention further comprises a kind of second embodiment of elevator brake method：Its
Include the following steps：
S1：At least a pair of of fixing clip is provided, fixture block can be relatively fixed moves back and forth and is located at steel wire rope or guide rail both sides
At least a pair of of movable clip block, driving movable clip block movement driving mechanism and be arranged on respective activity fixture block and and steel
Cord or rail friction contact friction plate, wherein the fixing clip and movable clip block be respectively arranged with it is mutually matched positive and negative
Lozenges；
S2：When initial, there are gaps for friction plate and steel wire rope or guide rail；
S3：When braking, driving mechanism drives the friction plate of movable clip block and steel wire rope or guide rail contact, and movable clip block with
It steel wire rope or guide rail moves synchronously and enters step S4；
S4：When movable clip block, which is relatively fixed fixture block, is moved to self-locking position, steel wire rope or guide rail are by friction plate two-way grip
Firmly；
S5：When releasing braking, step S2 is returned to.
Since the present invention uses above-mentioned technical proposal, has the following advantages：
1, coordinated using the positive and negative lozenges of fixing clip and movable clip block to realize the bi-directional braking of steel wire rope or guide rail
And realize that self-locking avoids Safe Failure to achieve the purpose that braking, reduce the serious accident of casualties.
2, movable clip block is made to keep clamp position under electromagnet effect, and after Power resumption, it can voluntarily release work
Dynamic fixture block makes steel wire rope or guide rail restore normal operating condition, to efficiently solve the clamp pressure of steel wire rope or guide rail
The self-healing problem of large-area power-cuts equipment.
3, simple in structure, easy for installation, engaged position is small, can be mounted on by elevator(lift) machine room or traction machine, change convenient for old ladder
It makes, solves the problems, such as that existing elevator does not have deadman's brake installation site.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
People can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to this hair
The equivalent transformation or modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of brake device for elevator, it is characterised in that：It is to steel wire rope or guide rail bi-directional braking and includes：It is at least a pair of fixed
Fixture block can be relatively fixed fixture block and move back and forth and be located at least a pair of of movable clip block of steel wire rope or guide rail both sides, driving activity
The driving mechanism of fixture block movement and the friction plate for being arranged on respective activity fixture block and being contacted with steel wire rope or rail friction,
Wedge block coordinates each other for the wherein described fixing clip and movable clip block, the driving mechanism include positioned at both ends upper and lower holder,
And the connecting rod of the upper and lower holder of connection, rotary shaft parallel with connecting rod and allowing connecting rod relative rotation, one connection of drive
The swing rod of bar rotation and the driving unit of driving swing rod rotation.
2. a kind of brake device for elevator as described in claim 1, it is characterised in that：The fixing clip is provided in side
One inclined-plane and the second inclined-plane of a pair positioned at the first inclined-plane both sides, and the movable clip block is provided with first tiltedly in side
The third inclined-plane of face cooperation and the 4th inclined-plane of a pair accordingly coordinated with corresponding second inclined-plane.
3. a kind of brake device for elevator as claimed in claim 2, it is characterised in that：The inclined direction on first inclined-plane and
The inclined direction on two inclined-planes is each other on the contrary, the inclined direction on third inclined-plane and the inclined direction on the 4th inclined-plane are opposite each other.
4. a kind of brake device for elevator as claimed in claim 2, it is characterised in that：The fixing clip other side then with support
Spring abutting contact, and the friction plate is then arranged in the other side of movable clip block, and the oblique angle on the first, second, third and fourth inclined-plane is less than
10 degree.
5. a kind of brake device for elevator as claimed in claim 1 or 2 or 3 or 4, it is characterised in that：The driving unit is electricity
Magnet, electronic, hydraulic pressure or pneumatic unit, and the holder include the first strut of a pair being oppositely arranged, it is corresponding to the first strut
The second strut of a pair that is hinged and being oppositely arranged, wherein expansible or the quadrangle frame of diminution is collectively formed in the first and second strut,
And surround rope or guide-rail channel for steel wire rope or guide rail up-and-down movement jointly with the friction plate on movable clip block.
6. a kind of brake device for elevator as claimed in claim 5, it is characterised in that：The length of second strut is more than first
The length of strut, and the second strut is fixedly connected with movable clip block, a wherein at least connecting rod passes through movable clip block.
7. a kind of brake device for elevator, it is characterised in that：It is to steel wire rope or guide rail bi-directional braking and includes：It is at least a pair of fixed
Fixture block can be relatively fixed fixture block and move back and forth and be located at least a pair of of movable clip block of steel wire rope or guide rail both sides, driving activity
The driving mechanism of fixture block movement and the friction plate for being arranged on respective activity fixture block and being contacted with steel wire rope or rail friction,
The wherein described fixing clip and movable clip block are respectively arranged with mutually matched positive and negative lozenges, and the driving mechanism includes being located at
It is the connecting rod of the upper and lower holder at both ends and the upper and lower holder of connection, parallel with connecting rod and permission connecting rod relative rotation
The driving unit of rotary shaft, the swing rod for driving connecting rod rotation and driving swing rod rotation.
8. a kind of elevator brake method, it is characterised in that it includes the following steps：
S1：At least a pair of of fixing clip is provided, fixture block can be relatively fixed moves back and forth and is located at steel wire rope or guide rail both sides extremely
Few a pair of movable clip block, driving movable clip block movement driving mechanism and be arranged on respective activity fixture block and and steel wire rope
Or the friction plate of rail friction contact, wherein the fixing clip and movable clip block are respectively arranged with mutually matched positive and negative wedge shape
Face, the driving mechanism include the connecting rod, parallel with connecting rod of the upper and lower holder and the upper and lower holder of connection positioned at both ends
And the driving list for allowing the rotary shaft of connecting rod relative rotation, the swing rod for driving a connecting rod to rotate and driving swing rod to rotate
Member；
S2：When initial, there are gaps for friction plate and steel wire rope or guide rail；
S3：When braking, driving mechanism drives the friction plate and steel wire rope or guide rail contact of movable clip block, and movable clip block is with steel
Cord or guide rail move synchronously and enter step S4；
S4：When movable clip block, which is relatively fixed fixture block, is moved to self-locking position, steel wire rope or guide rail are clamped by friction plate is two-way；
S5：When releasing braking, step S2 is returned to.
9. a kind of elevator brake method as claimed in claim 8, it is characterised in that：The oblique angle of the positive and negative lozenges is less than 10
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397783.0A CN106044605B (en) | 2016-06-07 | 2016-06-07 | Brake device for elevator and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397783.0A CN106044605B (en) | 2016-06-07 | 2016-06-07 | Brake device for elevator and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106044605A CN106044605A (en) | 2016-10-26 |
| CN106044605B true CN106044605B (en) | 2018-11-06 |
Family
ID=57169721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610397783.0A Active CN106044605B (en) | 2016-06-07 | 2016-06-07 | Brake device for elevator and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106044605B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110312B (en) * | 2020-10-22 | 2021-12-17 | 苏州博量电梯科技有限公司 | Electronic safety tongs brake block trigger driving device |
| CN112110311B (en) * | 2020-10-22 | 2021-12-17 | 苏州博量电梯科技有限公司 | Electronic safety tongs for elevator braking |
| CN116857434B (en) * | 2023-08-30 | 2023-11-03 | 中电建国祯十五里河项目管理有限公司 | Municipal road pipe jacking construction safety equipment |
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| CN1048013A (en) * | 1990-01-18 | 1990-12-26 | 中国矿业大学 | Gig friction braking method and device |
| CN1357487A (en) * | 2000-12-07 | 2002-07-10 | 因温特奥股份公司 | Safety brake and its opening method |
| CN101028900A (en) * | 2001-06-29 | 2007-09-05 | 三菱电机株式会社 | Emergency brake of elevator |
| CN101112955A (en) * | 2006-07-27 | 2008-01-30 | 东芝电梯株式会社 | Elevator emergency nraking device and elevator |
| CN201087101Y (en) * | 2007-09-21 | 2008-07-16 | 赵敏 | Buffering brake of winch |
| CN101565145A (en) * | 2009-04-20 | 2009-10-28 | 日立电梯（中国）有限公司 | Novel progressive safety tongs |
| CN201694782U (en) * | 2010-04-13 | 2011-01-05 | 武汉钢铁(集团)公司 | Full-hydraulic steel wire rope anti-skid device |
| CN102874669A (en) * | 2011-07-14 | 2013-01-16 | 株式会社日立制作所 | Emergency braking device of elevator |
| CN206203767U (en) * | 2016-06-07 | 2017-05-31 | 苏州博量电梯科技有限公司 | Brake device for elevator |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048013A (en) * | 1990-01-18 | 1990-12-26 | 中国矿业大学 | Gig friction braking method and device |
| CN1357487A (en) * | 2000-12-07 | 2002-07-10 | 因温特奥股份公司 | Safety brake and its opening method |
| CN101028900A (en) * | 2001-06-29 | 2007-09-05 | 三菱电机株式会社 | Emergency brake of elevator |
| CN101112955A (en) * | 2006-07-27 | 2008-01-30 | 东芝电梯株式会社 | Elevator emergency nraking device and elevator |
| CN201087101Y (en) * | 2007-09-21 | 2008-07-16 | 赵敏 | Buffering brake of winch |
| CN101565145A (en) * | 2009-04-20 | 2009-10-28 | 日立电梯（中国）有限公司 | Novel progressive safety tongs |
| CN201694782U (en) * | 2010-04-13 | 2011-01-05 | 武汉钢铁(集团)公司 | Full-hydraulic steel wire rope anti-skid device |
| CN102874669A (en) * | 2011-07-14 | 2013-01-16 | 株式会社日立制作所 | Emergency braking device of elevator |
| CN206203767U (en) * | 2016-06-07 | 2017-05-31 | 苏州博量电梯科技有限公司 | Brake device for elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106044605A (en) | 2016-10-26 |
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