CN104370239B - A kind of mechanical brake-releasing gear of machine-roomless lift brake - Google Patents
A kind of mechanical brake-releasing gear of machine-roomless lift brake Download PDFInfo
- Publication number
- CN104370239B CN104370239B CN201310349458.3A CN201310349458A CN104370239B CN 104370239 B CN104370239 B CN 104370239B CN 201310349458 A CN201310349458 A CN 201310349458A CN 104370239 B CN104370239 B CN 104370239B
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- Prior art keywords
- declutches
- arm
- brake
- hinged
- linkage
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Classifications
-
- 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
-
- 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
-
- 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
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses the mechanical brake-releasing gear of a kind of machine-roomless lift brake.It operating mechanism that includes declutching outside two brakes, well, double-arm brake declutch the tricing line that declutches that linkage and being connected to outside well declutches operating mechanism and double-arm brake declutches between linkage;The described double-arm brake linkage that declutches is arranged on the elevator main in elevator hoistways, it is arranged with first arm and second that declutches and declutches arm, first declutches arm and the second middle part declutching arm is respectively mounted brake, and described first arm and second arm one end respectively of declutching of declutching be hinged on elevator main, the other end is hinged on a linkage rod slide block mechanism being connected with the tricing line that declutches.The present invention uses the remote brake release operation realizing machine-roomless lift brake, and the double-arm brake linkage that declutches uses the design of brand-new structure, structure is reliable and stable, saves installing space, the flexible operating of remote brake release can be realized, braking effect can be strengthened during barrier gate again.
Description
Technical field
The present invention relates to a kind of machinery brake-releasing gear, be specifically related to a kind of application in machine-roomless lift brake
Machinery brake-releasing gear.
Background technology
The brake brake-releasing gear of machine-roomless lift is emergency operation when being mainly used in Lift out of order
Mechanism, according to standard GB/T 7,588 1995 " elevator manufacture and installation safety standard " regulation;If to
Upper movement has the car of nominal load capacity, and required operating physical force is not more than 400N, and elevator driving host is installed
If manual emergency operation device, in order to use smooth handwheel and car is moved to a stop;If
Action required power is more than 400N, and machine room planted agent arranges a corresponding electrically-operated arrangement.But owing to electrically grasping
Make device price higher, and in view of elevator safety during raising building electric fault, it should to the greatest extent may be used
The employing electrically-operated arrangement that energy is few, and use the machinery being realized jiggering by manual operation handwheel.
Existing machine-roomless elevator mainframe is arranged in hoistway, and people cannot be the most right as having machine room elevator
Host service function declutches, and needs to operate brake-releasing gear outside hoistway.Roomless elevator brake releasing now
Mode has two kinds: one is to operate electric switch outside hoistway to declutch by electrical means, and another kind is at well
The lever being arranged on main frame by mechanical means operation outside road is declutched, as Chinese patent 200820088412 is public
The brake-releasing gear of a kind of folding brake opened, its needs are come the inside by the articulated linkage of multistage outside the Room
The handle that declutches operate, therefore take up room relatively big, meanwhile, the thick stick that declutches of the brake-releasing gear of this patent
Bar one end is connected with connecting plate, and the other end is the free end installing brake electromagnetic assembly, and using declutches spirals
Turn tension or unclamp the mode of connecting plate and realize braking and declutch, but this structure is complicated and firm not,
The free end stress of lever of declutching is unstable, and brake force is existed harmful effect.Both modes cut both ways,
Electrically implementation is simple, but the poor reliability that is easily out of order, mechanical type reliability is high, but existing
The lever arm of lever brake-releasing gear is longer, and structure is complicated, and volume is big, big to requirements of installation space, braking
Power is not sufficiently stable.
Summary of the invention
Present invention aims to the problems referred to above weak point, it is provided that a kind of structure is reliable and stable, saving
The mechanical brake-releasing gear of the machine-roomless lift brake of installing space.
In order to achieve the above object, the present invention is by the following technical solutions:
The mechanical brake-releasing gear of a kind of machine-roomless lift brake, including the operation machine that declutches outside two brakes, well
Structure, double-arm brake declutch operating mechanism and the double-arm brake of linkage and being connected to outside well that declutch declutches connecting rod machine
The tricing line that declutches between structure;The operating mechanism that declutches outside described well is arranged on outside hoistway, and it is provided with for straining
Or loosen the operation handle of the tricing line that declutches;The described double-arm brake linkage that declutches is arranged in elevator hoistways
Elevator main on, it is arranged with first arm and second that declutches and declutches arm, and first arm and second that declutches declutches
The middle part of arm is respectively mounted brake, and described first arm and second arm one end respectively of declutching of declutching is hinged on elevator
On main frame, the other end is hinged on a linkage rod slide block mechanism being connected with the tricing line that declutches.
The most concrete, described linkage rod slide block mechanism includes: base, is arranged on elevator main, and it sets
There is horizontal concrete chute;Vertical mounting seat, it is arranged on base, and described vertical mounting seat bottom is corresponding the most sliding
Groove is provided with laterally dodges chamber, and top is provided with the vertical chute through with laterally dodging chamber;Transverse slider, its
It is arranged in horizontal concrete chute and is connected with the tricing line that declutches;Swing connecting bar, its be arranged on laterally dodge in chamber and
Lower end is hinged with transverse slider;Vertical slide block, it is arranged in vertical chute and lower end and swing connecting bar upper end
Hinged;First rocker-arm link, its one end is hinged with vertical slide block, and the other end and first arm that declutches is hinged;
Second rocker-arm link, its one end is hinged with vertical slide block, and the other end and second arm that declutches is hinged.
As preferably, described horizontal concrete chute is the horizontal groove of falling T.
As preferably, described first arm and second arm that declutches that declutches is connected with brake by telescopic regulating mechanism,
This telescopic regulating mechanism is for adjusting the distance that brake is stretched out.
Further concrete, the operating mechanism that declutches outside described well include pedestal and be arranged on pedestal and with control of declutching
Rope making connect semi-disc locking leverage, described semi-disc locking leverage be provided with for manipulator
The installation arm that handle is flexibly connected.
The most concrete, it is provided with elastic recovery structure between described horizontal concrete chute and transverse slider;Described elasticity
Replying structure is a stage clip, and this stage clip is located between horizontal concrete chute antetheca and transverse slider front end.
Further preferably, the tricing line that declutches described in is Bowden cable.
The present invention uses the operating mechanism that declutches outside well to be entered by the tricing line that the declutches linkage that declutches double-arm brake
Row controls, it is achieved the operation of the remote brake release of machine-roomless lift brake, and the double-arm brake linkage that declutches is adopted
With brand-new structure design, structure is reliable and stable, saves installing space, can realize the flexible of remote brake release
Operation, can strengthen braking effect during barrier gate again.
Accompanying drawing explanation
Fig. 1 is the Integral connection structure schematic diagram of machinery brake-releasing gear of the present invention.
Fig. 2 is that double-arm brake of the present invention declutches the structure front view of linkage.
Fig. 3 is that double-arm brake of the present invention declutches the structural perspective of linkage.
Fig. 4 be double-arm brake of the present invention declutch linkage omit base and vertical mounting seat after structure stand
Body figure.
Fig. 5 is transverse slider of the present invention and swing connecting bar original state (i.e. on-position) simple structure
View.
Fig. 6 is transverse slider of the present invention and swing connecting bar declutches status architecture simple view.
Below by way of the drawings and specific embodiments, the present invention is described further:
Detailed description of the invention
As shown in Figures 1 to 4, the mechanical brake-releasing gear of a kind of machine-roomless lift brake of the present invention, bag
Include the operating mechanism 1 that declutches outside two brakes 4, well, double-arm brake declutches linkage 2 and be connected to the outer pine of well
Lock operating mechanism 1 and double-arm brake declutch the tricing line 3 that declutches between linkage 2.Concrete structure of the present invention
As follows:
The operating mechanism 1 that declutches outside described well is arranged on outside hoistway, and it includes operating handle 11, pedestal 12 and peace
The semi-disc locking leverage 13 being contained on pedestal 12 and be connected with the tricing line 3 that declutches;Described semi-disc is locked
Tight leverage 13 is provided with the installation arm 131 for being flexibly connected, the so purpose of design with operation handle 11
It is, when operating at ordinary times, operation handle 11 can be received to spare part case, reduce operation of declutching outside well
Mechanism 1 takes up room.Described operation handle 11 is used for operating tension or loosening the tricing line 3 that declutches.
The described double-arm brake linkage 2 that declutches is arranged on the elevator main in elevator hoistways, and its symmetry sets
Having first arm 21 and second that declutches to declutch arm 22, first arm 21 that declutches all is pacified with the second middle part declutching arm 22
Dress brake 4, specifically, described first arm 21 and second that declutches declutches arm 22 by telescopic regulating mechanism 5
Being connected with brake 4, this telescopic regulating mechanism is for adjusting the distance that brake 4 is stretched out.Described first pine
Lock arm 21 and second arm 22 one end respectively of declutching is hinged on elevator main, the other end be hinged on one with declutch
The linkage rod slide block mechanism 23 that tricing line 3 connects, specifically elevator main arranges the first bearing 24 and declutches with first
Arm 21 is hinged, and it is hinged with second arm 22 that declutches to arrange the second bearing 25.Such arm configuration that declutches exists
The support stress of two pin joints, when making brake, stress is evenly and firm, and prior art is Chinese
The stress that the lever that declutches that patent 200820088412 uses only has one end unilateral supports, and brake is to install
At the free end of lever that declutches, therefore braking stress is unstable, rocking easily occurs and lost efficacy.
Further, described linkage rod slide block mechanism 23 includes: base 231, vertical mounting seat 232, laterally slide
Block 233, swing connecting bar 234, vertical slide block the 235, first rocker-arm link 236 and the second rocker-arm link 237,
Concrete attachment structure is as follows:
Described base 231 is arranged on elevator main, and it is provided with horizontal concrete chute 2311, as preferably, and institute
State horizontal concrete chute 2311 for the laterally groove of falling T.
Described vertical mounting seat 232 is arranged on base 231, and this vertical mounting seat bottom is corresponding the most sliding
Groove 2311 is provided with laterally dodges chamber 2322, and top is provided with the vertical chute through with laterally dodging chamber 2322
2321。
Described transverse slider 233 is arranged in horizontal concrete chute 2311 and is connected with the tricing line 3 that declutches.
Described swing connecting bar 234 is arranged on laterally to be dodged in chamber 2322 and lower end is hinged with transverse slider 233.
Under on-position, under the state that the tricing line that i.e. declutches 3 is not pulled, transverse slider 233 and swing connecting bar
The attachment structure of 234 is as it is shown in figure 5, the angle α between swing connecting bar 234 and transverse slider 233 is sharp folder
Angle, the opening direction of angle α points to the one end connecting the tricing line 3 that declutches.When declutching, tricing line 3 pulls horizontal stroke
Move at horizontal concrete chute 2311 to slide block 233 so that swing connecting bar 234 and the angle α of transverse slider 233
It is raised upwards by little increase (as shown in Figure 6), i.e. swing connecting bar 234, promotes vertical slide block 235 to rise.
Described vertical slide block 235, it is arranged in vertical chute 2321 and lower end and swing connecting bar 234 upper end
Hinged.
Described first rocker-arm link 236 one end is hinged with vertical slide block 235, and the other end and first declutches arm 21
Hinged.
Described second rocker-arm link 237 one end is hinged with vertical slide block 235, and the other end and second declutches arm 22
Hinged.
Further, in order to be able to after making to declutch automatically to recover braking, described horizontal concrete chute 2311 is with the most sliding
Elastic recovery structure it is provided with between block 233;Described elastic recovery structure is a stage clip 6, and horizontal stroke is located at by this stage clip 6
To between chute 2311 antetheca and transverse slider 233 front end.It is pointed out that described to chute 2311
Antetheca, transverse slider 233 front end refer to that both installations are declutched one end of tricing line 3.
The described tricing line 3 that declutches is for Bowden cable.
Below by way of concrete application principle, the present invention is described further:
When needs execution brake machinery declutches task, operator is outer (or crying outside the Room) at hoistway, from spare part
Case takes out the handle 11 that declutches, the one end of the handle 11 that declutches is inserted the installation arm of the operating mechanism 1 that declutches outside well
131, the hand-held other end, apply certain according to the arrow pointing direction declutched outside Fig. 1 well on operating mechanism 1
Power, is conducted by semi-disc locking leverage 13, and the tricing line that declutches 3 is produced shifting by corresponding pulling force
Position, thus pull transverse slider 233 to slide at the horizontal concrete chute 2311 of base 231 so that swing connecting bar 234
With the angle α of transverse slider 233 by little increase, promote vertical slide block 235 in vertical chute 2321 upwards
Slide, drive the first rocker-arm link 236 and the second rocker-arm link 237 to move upward so that first declutches arm
21 and second arms 22 that declutch are swung up around the jointed shaft of first bearing the 24, second bearing 25, so that
It is arranged on the first brake 4 that arm 21 and second declutches in the middle part of arm 22 of declutching to move up, it is achieved brake
Machinery declutches.
While stating mechanism action in realization, act on the operating physical force declutched on handle 11, by control of declutching
Rope making 3 is delivered to the transverse slider 233 that double-arm brake declutches on linkage 2, then by swing connecting bar 234,
Vertical slide block 235, the first rocker-arm link 236 and the second rocker-arm link 237, first declutches arm 21 and second
Power one-level level is amplified by the arm 22 that declutches, and is finally reached and realizes brake and declutch required active force.
When need not manually declutch, only need to be resetted by the handle 11 that declutch, the tricing line that declutches 3 is in loosens shape
State, transverse slider 233 under the thrust of stage clip 6, no longer pushing tow swing connecting bar 234, swing connecting bar
234 are transferred to more heeling condition, vertical slide block 235 by close to vertical state under the thrust of vertical slide block 235
Vertically chute 2321 slide downward under the effect of the first rocker-arm link 236 and the second rocker-arm link 237,
Make first arm 21 and second that declutches declutch arm 22 swung downward, promote the first rocker-arm link 236 and second to shake
Arm link 237 moves down.Due in the tricing line 3 that now declutches without pulling force, brake 4 just can be to elevator
The rope sheave of main frame is braked.
Claims (7)
1. a mechanical brake-releasing gear for machine-roomless lift brake, including two brakes, it is characterised in that also
Including: the operating mechanism that declutches outside well, double-arm brake declutch linkage and the operating mechanism that is connected to outside well declutch
And double-arm brake declutches the tricing line that declutches between linkage;
The operating mechanism that declutches outside described well is arranged on outside hoistway, and it is provided with for tension or loosens the tricing line that declutches
Operation handle;
The described double-arm brake linkage that declutches is arranged on the elevator main in elevator hoistways, and it is arranged with
First arm and second that declutches declutches arm, and first declutches arm and the second middle part declutching arm is respectively mounted brake, and
Described first arm and second arm one end respectively of declutching of declutching is hinged on elevator main, the other end be hinged on one with
The linkage rod slide block mechanism that the tricing line that declutches connects;
Described linkage rod slide block mechanism includes:
Base, is arranged on elevator main, and it is provided with horizontal concrete chute;
Vertical mounting seat, it is arranged on base, and described vertical mounting seat bottom correspondence horizontal concrete chute sets
Have and laterally dodge chamber, and top is provided with the vertical chute through with laterally dodging chamber;
Transverse slider, it is arranged in horizontal concrete chute and is connected with the tricing line that declutches;
Swing connecting bar, it is arranged on laterally dodges in chamber and lower end is hinged with transverse slider;
Vertical slide block, it is arranged in vertical chute and lower end and swing connecting bar upper end thereof;
First rocker-arm link, its one end is hinged with vertical slide block, and the other end and first arm that declutches is hinged;
Second rocker-arm link, its one end is hinged with vertical slide block, and the other end and second arm that declutches is hinged.
The mechanical brake-releasing gear of machine-roomless lift brake the most according to claim 1, it is characterised in that:
Described horizontal concrete chute is the horizontal groove of falling T.
The mechanical brake-releasing gear of machine-roomless lift brake the most according to claim 1, it is characterised in that:
Elastic recovery structure it is provided with between described horizontal concrete chute and transverse slider.
The mechanical brake-releasing gear of machine-roomless lift brake the most according to claim 3, it is characterised in that:
Described elastic recovery structure is a stage clip, and this stage clip is located between horizontal concrete chute antetheca and transverse slider front end.
The mechanical brake-releasing gear of machine-roomless lift brake the most according to claim 1, it is characterised in that:
Described first arm and second arm that declutches that declutches is connected with brake by telescopic regulating mechanism.
The mechanical brake-releasing gear of machine-roomless lift brake the most according to claim 1, it is characterised in that:
The operating mechanism that declutches outside described well includes pedestal and the semi-disc being arranged on pedestal and being connected with the tricing line that declutches
Locking leverage, described semi-disc locking leverage is provided with the installation for being flexibly connected with operation handle
Arm.
7. according to the machinery pine of the arbitrary described machine-roomless lift brake of claim 1,2,3,4 and 6
Brake gear, it is characterised in that the tricing line that declutches described in: is Bowden cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310349458.3A CN104370239B (en) | 2013-08-12 | 2013-08-12 | A kind of mechanical brake-releasing gear of machine-roomless lift brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310349458.3A CN104370239B (en) | 2013-08-12 | 2013-08-12 | A kind of mechanical brake-releasing gear of machine-roomless lift brake |
Publications (2)
Publication Number | Publication Date |
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CN104370239A CN104370239A (en) | 2015-02-25 |
CN104370239B true CN104370239B (en) | 2016-10-05 |
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Application Number | Title | Priority Date | Filing Date |
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CN201310349458.3A Active CN104370239B (en) | 2013-08-12 | 2013-08-12 | A kind of mechanical brake-releasing gear of machine-roomless lift brake |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105000491B (en) * | 2015-07-16 | 2017-10-27 | 日立电梯(中国)有限公司 | Elevator brake brake-releasing gear |
CN109592608B (en) * | 2018-12-27 | 2023-09-26 | 湖北科德智能装备有限公司 | Cargo carrying platform |
CN113979368B (en) * | 2021-10-14 | 2023-10-10 | 上海船舶工艺研究所(中国船舶集团有限公司第十一研究所) | Auxiliary installation device for straight blade |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6021872A (en) * | 1997-05-28 | 2000-02-08 | Otis Elevator Company | Remote brake release mechanism for an elevator machine |
US6273216B1 (en) * | 1998-09-28 | 2001-08-14 | Inventio Ag | Emergency release device |
CN2641006Y (en) * | 2003-09-15 | 2004-09-15 | 江苏通润机电集团有限公司 | Electromagnetic brake with remote declutch means |
CN2934165Y (en) * | 2006-01-20 | 2007-08-15 | 杭州富沃德电子电器有限公司 | Elevator emergency remote brake-releasing gear |
CN201220904Y (en) * | 2008-05-30 | 2009-04-15 | 宁波宏大电梯有限公司 | Brake releasing apparatus of overlapping brake |
-
2013
- 2013-08-12 CN CN201310349458.3A patent/CN104370239B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6021872A (en) * | 1997-05-28 | 2000-02-08 | Otis Elevator Company | Remote brake release mechanism for an elevator machine |
US6273216B1 (en) * | 1998-09-28 | 2001-08-14 | Inventio Ag | Emergency release device |
CN2641006Y (en) * | 2003-09-15 | 2004-09-15 | 江苏通润机电集团有限公司 | Electromagnetic brake with remote declutch means |
CN2934165Y (en) * | 2006-01-20 | 2007-08-15 | 杭州富沃德电子电器有限公司 | Elevator emergency remote brake-releasing gear |
CN201220904Y (en) * | 2008-05-30 | 2009-04-15 | 宁波宏大电梯有限公司 | Brake releasing apparatus of overlapping brake |
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Publication number | Publication date |
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CN104370239A (en) | 2015-02-25 |
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