CN205739877U - A kind of prevent lift car in the brake unit of the abnormal movement of door opening state - Google Patents
A kind of prevent lift car in the brake unit of the abnormal movement of door opening state Download PDFInfo
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- CN205739877U CN205739877U CN201620692977.9U CN201620692977U CN205739877U CN 205739877 U CN205739877 U CN 205739877U CN 201620692977 U CN201620692977 U CN 201620692977U CN 205739877 U CN205739877 U CN 205739877U
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- car
- push rod
- rocking bar
- opening state
- door
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Abstract
This utility model provides and a kind of prevents lift car in the brake unit of the abnormal movement of door opening state, including the push rod being fixedly connected on car door along with the open and close of car door, the hinged rocking bar having turning-bar in the rocking bar frame being fixedly connected on car is promoted to swing, drive the connecting rod that rocking bar is hinged, the hinged guide rod of drivening rod moves in the guide rail being fixedly connected on car with support, complete expanding-contracting action, make guide rod insert, extract out in the draw-in groove being fixed on the borehole wall lift car applying, releasing braking.Opening very small distance at car door and will insert the draw-in groove on the borehole wall by guide rod, close remaining very small gap at car door and just extracted out from draw-in groove by guide rod, space passenger being passed in and out car door all protects, it is to avoid passenger is injured by shearing.Additional control elevator safety loop mechanism door opening state car occur abnormal the most mobile time, elevator safety loop can be disconnected, make abnormal elevator move and lose driving force, stop car abnormal the most mobile more reliably.
Description
Technical field
This utility model relates to elevator control technology field, prevents lift car abnormal in door opening state particularly to one
The brake unit of movement.
Background technology
At present, elevator is used widely, but remains lift car in door opening state generation misoperation
Problem, the tragic event of the casualties that the accident occurring elevator to shear passenger the most repeatedly causes.Elevator main or car
Any component failure of the drive system that safe operation is relied on, it is possible to the accidental movement that causes, is all likely to result in elevator car
Railway carriage or compartment enabling misoperation accident, the personal safety of elevator passenger in serious threat
Additionally, lift car in door opening state it also occur that another kind of abnormal the most mobile: lift car, away from layer door, expands sedan-chair
Railway carriage or compartment and the gap of layer door.This is also that a dangerous exception is mobile, people can be clipped between car and the borehole wall and tow, and this type of causes
The accident of casualties also time have been reported that.
In order to solve this problem, people have invented many devices, the most effective.But all yet suffer from some not
Foot: the structure having is complicated, and link necessarily increases the probability broken down；Have have employed a lot of electric device, still deposits
There is the possibility of electric fault, the most also increase energy consumption；Have can not stop door opening state car occur away from hall door to
Rear movement；The requirement being not suitable with Elevator Aiming Storey Precision scope having, easily causes unnecessary trouble.
People need a kind of simple in construction, complete mechanical structure, non-electric brake unit, can prevent door opening state sedan-chair
Railway carriage or compartment is the most mobile, can prevent again door opening state car from being moved rearwards by away from hall door occurring.
This device preferably can also control elevator safety loop, when lift car occurs the most mobile in door opening state,
The driving force of elevator can be eliminated in time, prevent lift car from proceeding dangerous exception mobile.
Summary of the invention
In place of making up the deficiencies in the prior art, the purpose of this utility model is to provide one to be prevented from elevator car
Railway carriage or compartment is in the brake unit of the abnormal movement of door opening state, when lift car exceedes Elevator Aiming Storey Precision scope in door opening state
Abnormal the most mobile time, stop the most abnormal the most mobile, the driving force of elevator can also be eliminated simultaneously in time, prevent lift car continue into
The exception of row danger is mobile, so that it is guaranteed that the safety that passenger is during turnover lift car.
A kind of prevent lift car in the brake unit of the abnormal movement of door opening state, drive and car including elevator cab door
The fixing push rod connected of door promotes and is provided with the rocking bar drive leader of turning-bar into and out of draw-in groove, specifically includes: be fixedly connected on sedan-chair
Push rod on the door of railway carriage or compartment, along with the open and close of car door, promotes hinged being provided with in the rocking bar frame being fixedly connected on car to turn
Swinging to the rocking bar of bar, drive the hinged connecting rod of rocking bar, the hinged guide rod of drivening rod is being fixedly connected on sedan-chair with support
Moving in guide rail on railway carriage or compartment, complete expanding-contracting action, making guide rod insert, extract out in the edge being fixed on the borehole wall is enclosed construction
Lift car is applied, releases braking by draw-in groove, and described guide rod can add and arrange control elevator safety loop mechanism.
The installation site of described guide rail presses close to the employing directly fixing connection of vertical beam；Described guide rails assembling position is not pressed close to
The use support of vertical beam is fixing to be connected.
Described support is preferably fixedly connected in the vertical beam of car by a cross bar and a brace, triangle
Support structure
The gap of described guide rail outer rim and described draw-in groove outer rim should meet the design and installation requirement of elevator.
The structure of described guide rod, described guide rail and described draw-in groove can bear the maximum weight of lift car full load.
Described rocking bar middle part and two ends are both provided with axis hole, are respectively used to hinged rocking bar frame and connecting rod.
The position-limit mechanism limiting rocking bar amplitude of fluctuation it is provided with, after making rocking bar swing to horizontal level in described rocking bar frame
Clockwise amplitude of fluctuation can not be expanded.
Turning-bar it is provided with on described rocking bar.Described turning-bar optimal setting positions is proximate to the turning-bar table of push rod
Face is perpendicular to rocking bar and this vertical line crosses axle center in the middle of rocking bar.Particularly, the obstruction of described turning-bar is provided with special position restrainer
When the push rod of structure or special spacing push rod move, described turning-bar is arranged on the position beyond the contact surface of push rod and rocking bar.
The length of described connecting rod determines that standard is when push rod promotes rocking bar to swing to horizontal level, can press design size handle
Guide rod injects draw-in groove.Particularly, when described guide rail hinders push rod to move, described connecting rod is arranged to bending shape, makes guide rail keep away
Open rocking bar and the extended line of push rod contact surface.
Described push rod top is hinged with rolling member.Described rolling member is roller bearing or wheel.Described push rod and car door
The fixing position connected is preferably car door top, does not tie up car and hoistway and the gap of other fixation means.
Described push rod is drive mechanism and the position-limit mechanism of rocking bar, uses when push rod can not play position-limiting action and is provided with
The push rod of position-limit mechanism or one special spacing push rod of increase.
The described push rod being provided with special position-limit mechanism is preferably provided with cross bar on push rod, hinged roller on cross bar.
When push rod moves away rocking bar, roller withstands on rocking bar, limits rocking bar and reverse swing occurs.
Described draw-in groove is preferably suitable for the draw-in groove that edge is enclosed construction of Elevator Aiming Storey Precision scope.On draw-in groove inwall
Lower distance exceeds the height sum on guide rod surface more than Elevator Aiming Storey Precision scope, guide rod face height and guide rod attachment device.
Described draw-in groove expansion bolt is fixed on the borehole wall by bolt hole.The each floor of described draw-in groove respectively arranges two,
Lay respectively on the borehole wall of the car door left and right sides.Connect with steel tubular goods or section bar are fixing between described draw-in groove.Described steel
Tubing or section bar bolt are fixedly connected on the borehole wall.
Described control elevator safety loop mechanism is included in above and below guide rod rear end and is respectively provided with one and is connected on electricity
Electric switch on ladder safety return circuit, articulated abnormity lever on described guide rod, guide rod front end upper and lower is respectively arranged with one section of special-shaped thick stick
Bar is higher than guide rod surface, and when inserting draw-in groove in guide rod front end, the rear end of abnormity lever is near the contact of electric switch.
Described in the utility model hinged preferably all use bearing to reduce friction in hinge point.
Beneficial effect: 1 of the present utility model a kind of prevents the lift car from the brake unit of the abnormal movement of door opening state (being
Convenient understanding, the brake unit that hereinafter referred to as this utility model provides), open very small distance at car door and will insert well by guide rod
Draw-in groove on wall, closes remaining very small gap at car door and is just extracted out from draw-in groove by guide rod, thus passenger can be passed in and out car
The space of door all protects, it is to avoid passenger is injured by shearing.
The brake unit that 2 this utility model provide belongs to advance preventing braking, will not occur not braking and braking is too late
Time problem.
3 draw-in grooves have reserved the space of applicable Elevator Aiming Storey Precision scope, and the brake unit that therefore this utility model provides exists
Will not misoperation in the range of Elevator Aiming Storey Precision.
The brake unit not electricity consumption that 4 this utility model provide, does not consume the energy, does not increase use cost, decrease simultaneously
Intermediate link, reduces probability of malfunction, even if having a power failure in lift car door opening state, the brake unit that this utility model provides is still
So can play protective effect.
5 edges are the draw-in groove of enclosed construction, and the brake unit making this utility model provide can prevent door opening state car
Abnormal mobile up and down, can prevent again door opening state car from being moved rearwards by away from hall door occurring.
The brake device structure that 6 this utility model provide can bear the maximum weight of lift car full load, can prevent out
Door state car falls.
7 fixing spacing block sets and the push rod having limit function concurrently limit the amplitude of fluctuation of rocking bar forcefully, greatly
Enhance the reliability of brake unit that this utility model provides.
8 control elevator safety loop mechanisms are when door opening state car occurs the most mobile, and the safety that can disconnect elevator is returned
Road, makes the mobile driving force that loses of exception of elevator, thus stops the exception of car mobile more reliably.
The brake device structure that 9 this utility model provide is simple, it is easy to safeguard, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 applies to that this utility model of center opening door elevator is a kind of prevents lift car in the abnormal movement of door opening state
Brake unit on-position structural representation；
Fig. 2 applies to that this utility model of center opening door elevator is a kind of prevents lift car in the abnormal movement of door opening state
Brake unit releases on-position structural representation；
Fig. 3 is the pusher structure schematic diagram being hinged with roller bearing；
Fig. 4 is the pusher structure schematic diagram being hinged with roller；
Fig. 5 is the structural representation controlling elevator safety loop mechanism；
Fig. 6 is that this utility model is a kind of prevents lift car in the brake device structure side-looking of the abnormal movement of door opening state
Figure；
Fig. 7 applies to that this utility model of side door-opening elevator is a kind of prevents lift car in the abnormal movement of door opening state
Brake unit on-position structural representation；
Fig. 8 applies to that this utility model of side door-opening elevator is a kind of prevents lift car in the abnormal movement of door opening state
Brake unit releases on-position structural representation；
Fig. 9 is push rod, spacing push rod and rocking bar, turning-bar position relationship schematic diagram；
Figure 10 is to connect draw-in groove structural representation with channel-section steel is fixing；
Figure 11 is to connect draw-in groove structural representation with steel pipe is fixing；
Figure 12 is that column fixed connection structure schematic diagram pressed close to by guide rail；
Figure 13 is provided with the push rod configuration diagram of special position-limit mechanism.
Symbol description
1 vertical beam, 2 rocking bar frames, 3 connecting rods, 4 turning-bars, 5 push rods, 6 supports, 7 car doors, 8 draw-in grooves, 9 guide rails, 10 guide rods,
11 rocking bars, 12 axles, 13 roller bearings, 14 spacing block sets, 15 special spacing push rods, 16 electric switches, 17 abnormity levers, 18 machines, 19
Channel-section steel, 20 bolts hole, 21 steel pipes, 22 diplopore steel plates, 23 rollers, 24 cross bars, 25 cars.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, carry out clearly intactly retouching to the technical scheme of this utility model embodiment
State.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, this utility model is a kind of prevents lift car in the braking of the abnormal movement of door opening state
Device, drives the push rod (5) that be connected fixing with car door (7) to promote including elevator cab door (7) and is provided with shaking of turning-bar (4)
Bar (11) drive leader (10), into and out of draw-in groove (8), specifically includes: the push rod (5) being fixedly connected on car door (7) along with
The open and close of car door (7), what the rocking bar frame (2) that promotion is fixedly connected in vertical beam (1) was the most hinged is provided with turning-bar (4)
Rocking bar (11) swing, drive rocking bar (11) hinged connecting rod (3), the hinged guide rod (10) of drivening rod (3) with
Frame (6) is fixedly connected in the guide rail (9) in the vertical beam (1) of car (25) and moves, and completes expanding-contracting action, makes guide rod (10) insert
Enter, extract out in the draw-in groove (8) being fixed on the borehole wall lift car applying, releasing braking.
Described guide rail (9) is rolling guide.Being provided with ball on the circular pipe inwall of described guide rail (9), two ends have anti-
Dirt rubber cushion.Described guide rail (9) is connected with support (6) is fixing with the vertical beam (1) of car (25).Described guide rail (9) outer rim and draw-in groove
(8) gap of outer rim should meet the design and installation requirement of elevator.Described guide rail (9) top is provided with oilhole, is provided with machine oil
Cup.
As shown in Figure 6, described support (6) is fixing with car (25) vertical beam (1) is connected.Described support (6) is preferably by one
Individual cross bar and a brace are fixedly connected in car (25) vertical beam (1), triangle supporting construction.
Described guide rod (10) is cylinder guide, and one end is hinged with connecting rod (3), and one end is inserted in guide rail (9).
Described rocking bar (11) middle part and two ends are both provided with axis hole, are respectively used to hinged rocking bar frame (2) and connecting rod
(3)。
It is provided with the spacing block set (14) limiting rocking bar amplitude of fluctuation on described rocking bar frame (2), makes rocking bar swing to water
Clockwise amplitude of fluctuation can not be expanded after mean place.
The upper setting of described rocking bar (11) is provided with turning-bar (4).Described turning-bar (4) optimal setting positions is proximate to push rod
(5) turning-bar (4) surface is perpendicular to rocking bar (11) and this vertical line crosses the center of circle of axle (12) at rocking bar (11) middle part.
The length of described connecting rod (3) determines that standard is when push rod (5) promotes rocking bar (11) to swing to horizontal level, can press
Design size injects draw-in groove (8) guide rod (10).
Described push rod (5) top is hinged with roller bearing (13).Described push rod (5) is preferably fixed on car door (7) top, no
Tie up car and hoistway and the gap of subsidiary facility thereof.Described push rod (5) withstands on rocking bar and turns when elevator cab door (7) is closed
To the angle of bar, rocking bar is made not swing；When elevator cab door (7) is opened, push rod (5) withstands on rocking bar, makes the rocking bar can not
Reverse swing.
As shown in Figure 10, described draw-in groove (8) is preferably suitable for the edge of Elevator Aiming Storey Precision scope is enclosed construction
Draw-in groove (8).The upper and lower distance of draw-in groove (8) inwall of described applicable Elevator Aiming Storey Precision scope more than Elevator Aiming Storey Precision scope with lead
Bar (10) face height sum.Described draw-in groove (8) expansion bolt is fixed on the borehole wall by bolt hole (20).Described draw-in groove
(8) each floor respectively arranges two, lays respectively on the borehole wall of car door (7) left and right sides.Described draw-in groove uses channel-section steel between (8)
(19) fixing connection.Process bolt hole (20) on described channel-section steel (19), be fixed on the borehole wall with expansion bolt.
The structure of guide rod (10), guide rail (9) and draw-in groove (8) can bear the maximum weight of lift car full load.
Hinged described in the present embodiment preferably all uses rolling bearing to reduce friction in hinge point.
When car door (7) opens 1-3cm gap, push rod (5) promotes rocking bar (11) to swing, and drivening rod (3) promotes and leads
Bar (10) stretches out from guide rail (9) and inserts in draw-in groove (8), and car carries out preventative braking, and the passenger of protection turnover car is not
Injured by shearing.The displacement in the range of the langding accuracy that if car generation elevator standard allows during this period, guide rod
(10) will not touch draw-in groove (8), when car mobile range exceedes above-mentioned zone of reasonableness, guide rod (10) will be hindered by draw-in groove (8)
Gear, thus stop the exception of car mobile, it is to avoid passenger is caused shearing injury.When car door (7) is closed, at car door
(7) when closing remaining 1-3cm gap, push rod (5) promotes turning-bar (4), makes rocking bar (11) swing and drivening rod (3), pulls
Guide rod (10) retraction guide rail (9), push rod (5) withstands on the angle of rocking bar (11) and turning-bar (4), keeps rocking bar (11) and guide rod
(10) transfixion, does not affect elevator properly functioning.
Embodiment 2
In the present embodiment, basic structure is with embodiment 1, and special feature is as described below:
As it is shown in figure 5, the present embodiment is additionally provided with controlling elevator safety loop mechanism, specifically include described guide rod (10)
Be cross section be the guide rod (10) of H-shaped, one end is hinged with connecting rod (3), in one end is inserted in guide rail (9).Described guide rod (10) is upper and lower
Each articulated special-shaped lever (17) in groove.Described guide rod (10) front end upper and lower is respectively arranged with one section of special-shaped lever (17) and is higher than
Guide rod (10) surface 0.5cm, when inserting draw-in groove (8) in guide rod (10) front end, the rear end of abnormity lever (17) is near electric switch
(16) contact.
Being provided with ball on the square pipe inwall of described guide rail (9), there is dustproof rubber at two ends.
As shown in figure 11, described draw-in groove (8) is preferably suitable for the edge of Elevator Aiming Storey Precision scope is enclosed construction
Draw-in groove (8).The upper and lower distance of described draw-in groove (8) inwall is more than Elevator Aiming Storey Precision scope, guide rod (10) face height and abnormity thick stick
Bar (17) exposes guide rail (9) apparent height sum.Described draw-in groove (8) passes through bolt hole with the bolt being embedded in borehole wall concrete
(20) it is fixed on the borehole wall.Described draw-in groove (8) each floor respectively arranges two, lays respectively on the borehole wall of the car left and right sides.
Connect with steel pipe (21) is fixing between described draw-in groove (8).Described steel pipe (21) expansion bolt passes through on diplopore steel plate (22)
Bolt hole (20) is fixed on the borehole wall.
When car door (7) opens 1-3cm gap, push rod (5) promotes rocking bar (11) to swing, and drivening rod (3) promotes hinge
The guide rod (10) being connected to abnormity lever (17) stretches out from guide rail (9) and inserts in draw-in groove (8), and car is carried out preventative braking,
The passenger of protection turnover car is not exposed to shear injury.The langding accuracy that if car generation elevator standard allows during this period
In the range of displacement, guide rod (10) will not touch draw-in groove (8), when car mobile range exceedes above-mentioned zone of reasonableness, guide rod
(10) will be stopped by draw-in groove (8), the special-shaped lever (17) being simultaneously positioned on car moving direction is depressed, and triggers electric switch
(16), disconnect the safety return circuit of elevator, make the mobile driving force that loses of exception of elevator, thus stop the exception of car more reliably
Mobile, it is to avoid passenger is caused shearing injury；When car door (7) is closed, when car door (7) closes remaining 1-3cm gap,
Push rod (5) promotes turning-bar (4), makes rocking bar (11) swing and drivening rod (3), pulls guide rod (10) retraction guide rail (9), push rod
(5) withstand on the angle of rocking bar (11) and turning-bar (4), keep rocking bar (11) and guide rod (10) transfixion, do not affect elevator
Properly functioning.
Embodiment 3
The present embodiment basic structure is with embodiment 2, and special feature is as described below:
As shown in figure 12, described guide rail (9) is fixedly attached in the vertical beam (1) of car (25).Described draw-in groove (8) is fixing even
It is connected on the borehole wall and on T-shaped guide rail.The push rod (5) being fixedly connected on car door (7) is stretched over rocking bar around the machine of moving into one's husband's household upon marriage, bending
(11) with the angle of turning-bar (4).
Embodiment 4
In the present embodiment, basic structure is with embodiment 1, and special feature is as described below:
The present embodiment is applicable to side door-opening elevator car.
As shown in Figure 7, Figure 8, it is adaptable to a kind of of side door-opening elevator prevents lift car in the abnormal movement of door opening state
Brake unit is provided with two push rods: push rod (5) and special spacing push rod (15).Described push rod (5) and special spacing push rod
(15) it is fixedly connected on the car door (7) opened at first.Described push rod (5) top is hinged with roller bearing (13).Described special limit
Push rod (15) top, position is hinged with roller (23).When push rod (5) moves away rocking bar (11), described special spacing push rod (15)
Withstand on rocking bar (11), limit rocking bar (11) and reverse swing occurs.Described push rod (5) and special spacing push rod (15) are the most solid
It is scheduled on car door (7) top, does not tie up car and hoistway and the gap of subsidiary facility thereof.When elevator cab door (7) is closed, institute
State push rod (5) and withstand on the angle of rocking bar (11) and turning-bar (4), make rocking bar (11) not swing；Beat at elevator cab door (7)
When opening, described special spacing push rod (15) withstands on rocking bar (11), makes rocking bar (11) inversely not swing.
Described guide rail (9) is rail plate.It is provided with oil groove on described guide rail (9) inwall.Described guide rail (9) top is arranged
There is oilhole, oil cup of oil is installed.
Described connecting rod (3) is arranged to bending shape, makes guide rail avoid rocking bar (11) and the extended line of push rod (5) contact surface,
Do not hinder push rod (5) and special spacing push rod (15) mobile.
As shown in Figure 9, it is adaptable to a kind of of side door-opening elevator prevents lift car in the braking of the abnormal movement of door opening state
The turning-bar (4) of device is arranged on the position beyond the contact surface of push rod (5) and special spacing push rod (15) and rocking bar (11).
Described in the present embodiment hinged preferably hinge point all use sliding bearing to reduce friction, in articulated section
It is provided with oilhole on Wei, oil cup of oil is installed.
When car door (7) opens 1-3cm gap, push rod (5) promotes rocking bar (11) to rotate, and drivening rod (3) promotes and leads
Bar (10) stretches out from guide rail (9) and inserts in draw-in groove (8), and special spacing push rod (15) withstands on and prevents its generation inverse on rocking bar (11)
Switch is moved, and car carries out preventative braking, and the passenger of protection turnover car is not exposed to shear injury.If sedan-chair during this period
There is the displacement in the range of langding accuracy in railway carriage or compartment, guide rod (10) will not touch draw-in groove (8), when car mobile range exceed above-mentioned rationally
During scope, guide rod (10) will be stopped by draw-in groove (8), and the exception stoping car is mobile, it is to avoid passenger causes shearing injury；When
When car door (7) is closed, when car door (7) closes remaining 1-3cm gap, push rod (5) promotes turning-bar (4), makes rocking bar
(11) rotate also drivening rod (3), pull guide rod (10) retraction guide rail (9), push rod (5) to withstand on rocking bar (11) and turning-bar (4)
Angle, keep rocking bar (11) and guide rod (10) transfixion, do not affect elevator properly functioning.
Embodiment 5
In the present embodiment, basic structure is with embodiment 4, and special feature is as described below:
As shown in figure 13, described push rod (5) is provided with special position-limit mechanism, specifically includes and is provided with on described push rod (5)
Cross bar (24).The upper hinged roller (23) of described cross bar (24).When push rod (5) moves away rocking bar (11), roller (23) withstands on
On rocking bar (11), limit rocking bar (11) and reverse swing occurs.
Technology contents of the present utility model and technical characteristic have been announced as above, and those skilled in the art is still potentially based on this
The content of utility model and make all replacements without departing substantially from this utility model spirit and modification.So, this utility model protection model
Enclose and should be not limited to the content that embodiment is announced, should include various without departing substantially from replacement of the present utility model and modification, and be that this is special
Profit application claim is contained.
Claims (13)
1. prevent lift car in a brake unit for the abnormal movement of door opening state, drive and car door including elevator cab door
The fixing push rod connected promotes and is provided with the rocking bar drive leader of turning-bar into and out of draw-in groove, it is characterised in that: it is fixedly connected on sedan-chair
Push rod on the door of railway carriage or compartment, along with the open and close of car door, promotes hinged being provided with in the rocking bar frame being fixedly connected on car to turn
Swinging to the rocking bar of bar, drive the hinged connecting rod of rocking bar, the hinged guide rod of drivening rod is being fixedly connected on sedan-chair with support
Move in guide rail in the vertical beam of railway carriage or compartment, complete expanding-contracting action, make guide rod insert, extract out in the edge being fixed on the borehole wall as closing knot
Lift car is applied, releases braking by the draw-in groove of structure, and described guide rod can add and arrange control elevator safety loop mechanism；
The installation site of described guide rail presses close to the employing directly fixing connection of vertical beam, and vertical beam is not pressed close in described guide rails assembling position
Use the fixing connection of support；
Described push rod is drive mechanism and the position-limit mechanism of rocking bar, and when push rod can not play position-limiting action, use is provided with special
The push rod of position-limit mechanism or one special spacing push rod of increase；
Described control elevator safety loop mechanism, specifically includes and is respectively provided with one above and below guide rod rear end and is connected on elevator
Electric switch on safety return circuit, described guide rod articulated abnormity lever, it is high that guide rod front end upper and lower is respectively arranged with one section of special-shaped lever
In guide rod surface, when inserting draw-in groove in guide rod front end, the rear end of abnormity lever is near the contact of electric switch.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: described turning-bar optimal setting positions is that turning-bar is perpendicular to rocking bar near push rod one side surface and this vertical line crosses rocking bar
The center of circle of jackshaft.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: in described rocking bar frame, be provided with the spacing block set limiting rocking bar amplitude of fluctuation.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: determining that the length of described connecting rod calibrates standard really is when push rod promotes rocking bar to swing to horizontal level, can be by design chi
Very little guide rod injects draw-in groove.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: described push rod top is hinged with rolling member.
The most according to claim 5 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: described push rod is fixed the position being connected and is preferably car door top with car door.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: described push rod is first car door opened in the installation site of side enabling car.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: when the obstruction of described turning-bar is provided with the push rod of special position-limit mechanism or special spacing push rod moves, described turning-bar
It is arranged on the position beyond the contact surface of push rod and rocking bar.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: when described guide rail hinders push rod to move, described connecting rod is arranged to bending shape, makes guide rail avoid rocking bar and contacts with push rod
The extended line in face.
The most according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: the upper and lower distance of draw-in groove inwall exceeds guide rod more than Elevator Aiming Storey Precision scope, guide rod face height with guide rod attachment device
The height sum on surface.
11. according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: described support is preferably fixedly connected in the vertical beam of car by a cross bar and a brace, triangle support
Structure.
12. according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
Be: described in be provided with the push rod of special position-limit mechanism on push rod, be preferably provided with the cross bar of articulated roller.
13. according to claim 1 a kind of prevent lift car in the brake unit of the abnormal movement of door opening state, its feature
It is: connect with steel tubular goods or section bar are fixing between described draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620692977.9U CN205739877U (en) | 2016-06-23 | 2016-06-23 | A kind of prevent lift car in the brake unit of the abnormal movement of door opening state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620692977.9U CN205739877U (en) | 2016-06-23 | 2016-06-23 | A kind of prevent lift car in the brake unit of the abnormal movement of door opening state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205739877U true CN205739877U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620692977.9U Expired - Fee Related CN205739877U (en) | 2016-06-23 | 2016-06-23 | A kind of prevent lift car in the brake unit of the abnormal movement of door opening state |
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| CN (1) | CN205739877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006293A (en) * | 2016-06-23 | 2016-10-12 | 杨文天 | Braking device for preventing abnormal movement of elevator lift car with doors being in opening condition |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006293A (en) * | 2016-06-23 | 2016-10-12 | 杨文天 | Braking device for preventing abnormal movement of elevator lift car with doors being in opening condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200623 |