CN106829704B - Elevator door opening protecting apparatus and elevator door opening method - Google Patents
Elevator door opening protecting apparatus and elevator door opening method Download PDFInfo
- Publication number
- CN106829704B CN106829704B CN201710193346.1A CN201710193346A CN106829704B CN 106829704 B CN106829704 B CN 106829704B CN 201710193346 A CN201710193346 A CN 201710193346A CN 106829704 B CN106829704 B CN 106829704B
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- Prior art keywords
- latch hook
- lock
- layer door
- door
- hook
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
- E05B65/0811—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings
- E05B65/0829—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings mounted on the slide guide, e.g. the rail
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The present invention relates to a kind of elevator door opening protecting apparatus, including the first latching device and the second latching device.First latching device includes the first lock, the first latch hook and the first opening tool.First lock is for being mounted on bank on layer door.First latch hook is for being mounted on gantry crane plate.First latch hook and the first lock interlock fit.First opening tool can drive from layer outer side of door, so that the first latch hook is separated with the first lock.Second latching device includes the second lock, the second latch hook and the second opening tool.When the first latch hook is separated with the first lock, layer door can be moved to layer door half-open position, so that the second latch hook and the second lock interlock.When carriage is not at leveling region, layer door needs just fully open by unlocking twice, so that layer door be avoided to fully open suddenly, operating personnel is caused to fall in hoistway because of gravity center instability.
Description
Technical field
The present invention relates to elevator technology fields, more particularly to a kind of elevator door opening protecting apparatus.
Background technique
When elevator power failure or failure, operating personnel needs to open layer door and carries out corresponding operation.After layer door is opened, if
For carriage not in leveling region, operating personnel is insufficient due to careless and inadvertent or awareness of safety, it is possible in the hoistway that falls, make at this time
At the generation of safety accident.
Summary of the invention
Based on this, it is necessary to aiming at the problem that being easy to happen safety accident when layer door is opened, provide a kind of elevator door and open
Protective device is opened, the generation of safety accident when it can prevent layer door from opening.
A kind of elevator door opening protecting apparatus, comprising:
First latching device, first latching device include the first lock, the first latch hook and the first opening tool, and described the
One lock for being mounted on bank on layer door, first latch hook for being mounted on gantry crane plate, first latch hook with it is described
First lock interlock fit；First opening tool can drive from layer outer side of door, so that first latch hook and described first
Lock separation；
Second latching device, second latching device include the second lock, the second latch hook and the second opening tool, and described the
Two locks for being mounted on bank on layer door, second latch hook for being mounted on gantry crane plate, second latch hook with it is described
Second lock interlock fit；Second opening tool can drive on the inside of layer door, so that second latch hook and described second
Lock separation；
When first latch hook is separated with first lock, layer door can be moved to layer door half-open position；When layer door moves
When moving to layer door half-open position, second latch hook is matched with second lock, so that layer door can not continue to open.
In above-mentioned layer door opening protecting apparatus, operating personnel drives the first opening tool from layer outer side of door, so that the first lock
Hook is separated with the first lock, so that the first latching device is in the unlocked state.Then, operating personnel can push layer door, and move
Layer door is moved to layer door half-open position.At this point, the second latch hook and the second lock interlock.Since layer door is located at layer door half-open position, make
Industry personnel can drive the second opening tool by the gap between layer door on the inside of layer door, so that the second latch hook and the second lock point
From so that the second latching device is in the unlocked state, and then layer door capable of being fully opened.In this way, when carriage is not in leveling zone
When domain, layer door needs just fully open by unlocking twice, so that layer door be avoided to fully open suddenly, cause operating personnel because
Gravity center instability is fallen in hoistway.Above-mentioned layer door opening protecting apparatus can play the role of protecting operating personnel, prevent layer
The generation of safety accident when door is opened.
For being installed in rotation on gantry crane plate, described first opens first latch hook in one of the embodiments,
It opens part to connect with first latch hook, first opening tool can drive first latch hook to rotate, so that first latch hook
It is separated with first lock.First latch hook can be separated with the first lock, quickly be solved convenient for the first latching device by rotation
Lock.In this way, operating personnel drives the first opening tool from layer outer side of door, it is able to drive first latch hook rotation, to realize the
One latching device is in the unlocked state.
For being installed in rotation on gantry crane plate, described second opens second latch hook in one of the embodiments,
Opening part can drive second latch hook to rotate, so that second latch hook is separated with second lock；First locking machine
Structure further includes the first idler wheel for cooperating with gate door knife, and second latching device further includes the second idler wheel, and described first
Idler wheel is connect with first latch hook, and second idler wheel is connect with second latch hook, first idler wheel and described second
Idler wheel is meshed.Second latch hook can be separated by rotation with the second lock, be convenient for the second latching device quick release.Elevator
When normal operation, after carriage reaches leveling region, gate door knife pushes the first idler wheel when enabling, thus rotation be attached thereto the
One latch hook and the second idler wheel being engaged with, so that the first latch hook is separated with the first lock, the second latch hook and the second lock
Separation, so that layer door can fully open.
Second opening tool and first latch hook, the second latch hook, the first idler wheel or the in one of the embodiments,
Second wheel connection.Due to the first latch hook is connect with the first idler wheel, the first idler wheel is engaged with the second idler wheel and the second idler wheel with it is described
The connection of second latch hook, so that the second opening tool is installed on the first latch hook, the second latch hook, the first idler wheel or the second idler wheel, equal energy
The second latch hook is driven to rotate, so that the second latch hook is separated with the second lock, to realize that the second latching device is located at unlocked state.
First latching device further includes the first rotary shaft in one of the embodiments, in first latch hook
Portion and the first rotation axis connection, first rotary shaft are unlock for being mounted on gantry crane plate, second opening tool
Drawstring, the unlock drawstring are installed on the one end of first latch hook far from first lock.First latch hook passes through the first rotation
Shaft realization is installed in rotation on gantry crane plate.Unlock drawstring is installed on the one end of the first latch hook far from the first lock.According to
Lever principle, operating personnel can be effortlessly by pulling unlock drawstring to realize the rotation of the first latch hook, and then drives the second latch hook
Rotation realizes that the second latching device is located at unlocked state.
Above-mentioned elevator door opening protecting apparatus further includes for being mounted on layer door in one of the embodiments,
First lock unlock lockset, the first lock unlock lockset are equipped with output rotating member, and the output rotating member can contradict described
First opening tool, so that first opening tool drives the first latch hook rotation.In this way, operating personnel is led in layer outer side of door
Unlatching the first lock unlock lockset is crossed, to drive output rotating member rotation, and then rotating member is exported and contradicts and push first to open
Part rotation is opened, so that the first opening tool drives the rotation of the first latch hook, realizes that the first latch hook is separated with the first lock.
First latching device further includes first back-moving spring in one of the embodiments, and described first resets bullet
Spring is for being mounted on gantry crane plate, and the first back-moving spring is connect with first latch hook, so that first latch hook and institute
State the interlocking of the first lock；And/or second latching device further includes second back-moving spring, the second back-moving spring is used for
It is mounted on gantry crane plate, the second back-moving spring is connect with second latch hook, so that second latch hook and described second
Lock interlocking.First back-moving spring applies elastic force to the first latch hook, so that the first latch hook and the first lock interlock, avoids layer door nothing
Therefore open, so as to prevent people or object from falling in hoistway.Second back-moving spring applies elastic force to the second latch hook, so that second
Latch hook and the second lock interlock, and avoid a layer door open without reason, so as to prevent people or object from falling in hoistway.
Second latch hook is equipped with the first hook in one of the embodiments, and second lock is equipped with and described the
The second hook that one hook is accordingly arranged；When layer door is closed, there is gap between first hook and second hook；
When layer door is moved to layer door half-open position, first hook and the second hook clasp joint.When the first latch hook and the first lock
After separation, the first hook and the second hook not yet clasp joint, therefore, layer door can move opening.When to be moved to layer door half-open for layer door
Position, the first hook and the second hook clasp joint, so that layer door cannot continue to open, preventing layer door from fully opening suddenly leads to operation
Personnel fall in hoistway.
Above-mentioned elevator door opening protecting apparatus further includes bottom plate in one of the embodiments, and the bottom plate is used for
It is mounted on gantry crane plate；First latch hook by the bottom plate for installation on gantry crane plate, and/or, second latch hook
By the bottom plate for installation on gantry crane plate.Firstly, the first latch hook and/or the second latch hook are mounted on bottom plate.Then, bottom
Plate is installed to again on gantry crane plate.Be mounted directly on gantry crane plate compared to the first latch hook and/or the second latch hook, the first latch hook and/or
Second latch hook simpler can be quickly installed on gantry crane plate by bottom plate.
A kind of elevator door opening method, using above-mentioned elevator door opening protecting apparatus, comprising the following steps:
First opening tool is driven from layer outer side of door, so that first latch hook is separated with first lock；
Mobile layer door is to layer door half-open position；
Second opening tool is driven on the inside of layer door, so that second latch hook is separated with second lock；
Mobile layer door is to layer door fully open position.
Above-mentioned elevator door opening method, operating personnel drives the first opening tool from layer outer side of door, so that the first latch hook
It is separated with the first lock, so that the first latching device is in the unlocked state.Then, operating personnel can push layer door, and it is mobile
Layer door is to layer door half-open position.At this point, the second latch hook and the second lock interlock.Since layer door is located at layer door half-open position, operation
Personnel can drive the second opening tool by the gap between layer door on the inside of layer door, so that the second latch hook and the second lock point
From so that the second latching device is in the unlocked state, and then layer door capable of being fully opened.In this way, when carriage is not in leveling zone
When domain, layer door needs just fully open by unlocking twice, so that layer door be avoided to fully open suddenly, cause operating personnel because
Gravity center instability is fallen in hoistway.Above-mentioned elevator door opening method can play the role of protecting operating personnel, prevent layer
The generation of safety accident when door is opened.
Detailed description of the invention
Fig. 1 is the state diagram one of elevator door opening protecting apparatus in the embodiment of the present invention；
Fig. 2 is the state diagram two of elevator door opening protecting apparatus in the embodiment of the present invention；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is the state diagram three of elevator door opening protecting apparatus in the embodiment of the present invention；
Fig. 5 is the state diagram four of elevator door opening protecting apparatus in the embodiment of the present invention.
100, bank on layer door, 101, guide rail, 200, gantry crane plate, the 300, first latching device, the 301, first lock, 302,
One latch hook, the 303, first opening tool, the 304, first idler wheel, the 305, first rotary shaft, 306, first back-moving spring, the 400, second lock
Buckle mechanism, the 401, second lock, the 402, second latch hook, the 403, second opening tool, the 404, second idler wheel, the 405, second rotary shaft,
406, second back-moving spring, the 407, first hook, the 408, second hook, 500, layer door, the 600, first lock unlock lockset, 601,
Export rotating member, 700, bottom plate, 800, quiet wheel, 900, gate door knife.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element may be simultaneously present centering elements.On the contrary, not deposited when element is referred to as " directly existing " another element "upper"
In intermediary element.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are intended merely to
The purpose of explanation.Heretofore described " first " and " second " do not represent specific quantity and sequence, are only used for title
It distinguishes.
As depicted in figs. 1 and 2, generally, bank 100 is equipped with guide rail 101 on the layer door of elevator.Gantry crane plate 200, which is installed on, leads
On rail 101, so that gantry crane plate 200 can be slideably positioned in bank 100 on layer door.Layer door 500 is installed on gantry crane plate 200, thus
Layer door 500 can be slided along guide rail 101, realize the folding of layer door 500.
As depicted in figs. 1 and 2, a kind of elevator door opening protecting apparatus, including the first latching device 300 and the second lock
Mechanism 400.First latching device 300 includes the first lock 301, the first latch hook 302 and the first opening tool 303.First lock 301
For being mounted on bank 100 on layer door.First latch hook 302 is for being mounted on gantry crane plate 200.First latch hook 302 and the first lock
301 interlock fits of seat.First opening tool 303 can drive from layer outer side of door, so that the first latch hook 302 divides with the first lock 301
From.Wherein, layer outer side of door refers to side of the layer door 500 far from hoistway, refers to layer door 500 close to the side of hoistway on the inside of layer door.
Second latching device 400 includes the second lock 401, the second latch hook 402 and the second opening tool 403.Second lock 401
For being mounted on bank 100 on layer door.Second latch hook 402 is for being mounted on gantry crane plate 200.Second latch hook 402 and the second lock
401 interlock fits of seat.Second opening tool 403 can drive on the inside of layer door, so that the second latch hook 402 divides with the second lock 401
From.
When the first latch hook 302 is separated with the first lock 301, layer door 500 can be moved to layer door half-open position.When layer door
500 when being moved to layer door half-open position, and the second latch hook 402 is matched with the second lock 401, so that layer door 500 can not continue to beat
It opens.Wherein, layer door half-open position, which refers to, has gap between two layer doors 500, and layer door 500 not yet fully opens.The gap
Magnitude range be 50mm~150mm.In this way, the gap of two layer doors 500 is less than adult width of leaning to one side, avoid people fall into
In hoistway, and manpower can pass through the gap.
In above-mentioned layer door opening protecting apparatus, operating personnel drives the first opening tool 303 from layer outer side of door, so that first
Latch hook 302 is separated with the first lock 301, so that the first latching device 300 is in the unlocked state.Then, operating personnel can push away
Dynamic layer door 500, and mobile layer door 500 is to layer door half-open position (referring to Fig. 2).At this point, the second latch hook 402 and the second lock
401 interlockings.Since layer door 500 is located at layer door half-open position, operating personnel can be by the gap between layer door 500 out of layer door
Side drives the second opening tool 403, so that the second latch hook 402 is separated with the second lock 401, so that the second latching device 400 is in
Unlocked state, and then layer door 500 can be fully opened.In this way, when carriage is not at leveling region, layer door 500 need by
Unlocking twice can just fully open, so that layer door 500 be avoided to fully open suddenly, cause operating personnel because gravity center instability fall into
In hoistway.Above-mentioned layer door opening protecting apparatus can play the role of protecting operating personnel, safety when preventing layer door 500 from opening
The generation of accident.
When layer door 500 is moved to layer door half-open position, the second latch hook 402 is matched with the second lock 401, so that layer door
500 can not continue to open.Wherein, there are many fit system of the second latch hook 402 and the second lock 401.Specifically, Fig. 3 is referred to,
Second latch hook 402 is equipped with the first hook 407.Second lock 401 is equipped with the second hook 408 being arranged corresponding to the first hook 407.
When layer door 500 is closed, there is gap between the first hook 407 and the second hook 408.When to be moved to layer door half-open for layer door 500
Position, the first hook 407 and the second 408 clasp joints of hook.After the first latch hook 302 is separated with the first lock 301, the first hook
407 and 408 not yet clasp joint of the second hook, therefore, layer door 500 can move openings, and the first latch hook 302 is with the shifting of layer door 500
It is dynamic.When layer door 500 is moved to layer door half-open position, the first hook 407 and the second 408 clasp joints of hook, layer door 500 cannot continue
It opens, causes operating personnel to fall in hoistway to prevent layer door 500 from fully opening suddenly.It is appreciated that the first latch hook with
The fit system of first lock is also possible that when layer door is moved to layer door half-open position, layer door, gantry crane plate, the first latch hook or
First lock triggers snap switch or electromagnetic switch, thus the first latch hook and the interlocking of the first lock, so that layer door can not continue to beat
It opens.
On the basis of previous embodiment, as shown in Figure 1 to Figure 3, the first latch hook 302 is for being installed in rotation on gantry crane
On plate 200.First opening tool 303 is connect with the first latch hook 302.First opening tool 303 can drive the first latch hook 302 to rotate, with
Separate the first latch hook 302 with the first lock 301.First latch hook 302 can separate with the first lock 301, be convenient for by rotation
First latching device, 300 quick release.In this way, operating personnel drives the first opening tool 303 from layer outer side of door, it is able to drive first
Latch hook 302 rotates, to realize that the first latching device 300 is in the unlocked state.
On the basis of previous embodiment, in running process of elevator, when carriage reaches leveling region, 900 energy of gate door knife
It drives the first latch hook 302 to separate with the first lock 301 and the second latch hook 402 is driven to separate with the second lock 401, and then layer door
500 can fully open.Specifically, as shown in Figures 1 to 4, the second latch hook 402 is for being installed in rotation on gantry crane plate 200
On.Second opening tool 403 can drive the second latch hook 402 to rotate, so that the second latch hook 402 is separated with the second lock 401.First lock
Buckle mechanism 300 further includes the first idler wheel 304 for cooperating with gate door knife 900 (referring to Fig. 4).Second latching device 400
It further include the second idler wheel 404.First idler wheel 304 is connect with the first latch hook 302.Second idler wheel 404 is connect with the second latch hook 402.
First idler wheel 304 is meshed with the second idler wheel 404.Second latch hook 402 can separate with the second lock 401, be convenient for by rotation
Second latching device, 400 quick release.When elevator operates normally, after carriage reaches leveling region, the rotation of gate door knife 900 first
Idler wheel 304, so that the second idler wheel 404 that first be attached thereto latch hook 302 and be engaged with is rotated, so that the first latch hook
302 separate with the first lock 301, and the second latch hook 402 is separated with the second lock 401, so that layer door 500 can fully open, no
Influence the normal use of elevator.It is appreciated that gate door knife 900 can pass through the first opening tool 303 of driving and the second opening tool
403, so that the first latch hook 302 separates with the first lock 301 and the second latch hook 402 is driven to separate with the second lock 401.Wherein,
First opening tool 303 can be from driving on the inside of layer outer side of door or layer door, so that the first latch hook 302 is separated with the first lock 301.?
In the present embodiment, the first opening tool 303 can be the first idler wheel 304, the second idler wheel 404 or the first lock unlock lockset 600.The
Two opening tools 403 can drive on the inside of layer door, so that the second latch hook 402 is separated with the second lock 401.In the present embodiment,
Second opening tool 403 can be the first idler wheel 304, the second idler wheel 404 or unlock drawstring.
Specifically, as shown in Figure 4 and Figure 5, quiet wheel 800 is installed on gantry crane plate 200.First idler wheel 304 is matched with quiet wheel 800
Gate door knife 900 is closed, so that the first latching device and the second latching device are in the unlocked state.When lift car is located at enabling area
When domain, gate door knife 900 moves right, to contradict the first idler wheel 304 (referring to Fig. 5), and drives 304 turns of the first idler wheel
It is dynamic, thus the first latch hook 302 and the rotation of the second latch hook 402, so that the first latching device 300 and the second latching device 400 are in
Unlocked state.When elevator at closing time, gate door knife 900 contradict simultaneously push it is quiet wheel 800, thus drive layer door 500 slide and close.
Specifically, as shown in figure 3, the second opening tool 403 and the first latch hook 302, the second latch hook 402, the first idler wheel 304 or
The connection of second idler wheel 404.Since the first latch hook 302 is connect with the first idler wheel 304, the first idler wheel 304 is nibbled with the second idler wheel 404
It closes and the second idler wheel 404 is connect with the second latch hook 402, so that the second opening tool 403 is installed on the first latch hook 302, the second latch hook
402, on the first idler wheel 304 or the second idler wheel 404, the second latch hook 402 can be driven to rotate, so that the second latch hook 402 and second
Lock 401 separates, to realize that the second latching device is located at unlocked state.
Specifically, as shown in Figures 1 to 3, the first latching device 300 further includes the first rotary shaft 305.First latch hook 302
Middle part is connect with the first rotary shaft 305.First rotary shaft 305 is for being mounted on gantry crane plate 200.Second opening tool 403 is solution
Lock drawstring.Unlock drawstring is installed on the one end of the first latch hook 302 far from the first lock 301.First latch hook 302 passes through the first rotation
The realization of axis 305 is installed in rotation on gantry crane plate 200.Unlock drawstring is installed on the first latch hook 302 far from the first lock 301
One end.According to lever principle, operating personnel can be effortlessly by pulling unlock drawstring to realize the rotation of the first latch hook 302, in turn
It drives the second latch hook 402 to rotate, realizes that the second latching device 400 is located at unlocked state.
It is appreciated that the first latching device further includes first bearing.The connection of the outer ring of first latch hook and bearing, the first rotation
One end of axis and the inner ring of bearing connect, and the other end of rotary shaft is connect with bottom plate, so that the realization of the first latch hook is rotationally pacified
Loaded on bottom plate.The mode that first latch hook is rotatably installed on bottom plate is not limited to installation side disclosed in this specific embodiment
Formula, acceptable there are many mounting means, other specific embodiments can be realized in the prior art, no longer burdensome herein.
Specifically, as shown in figure 3, the second latching device further includes the second rotary shaft 405.Second latch hook 402 and the second rotation
Shaft 405 connects.Second rotary shaft 405 is for being mounted on gantry crane plate 200.
On the basis of previous embodiment, as shown in Figures 1 to 3, above-mentioned elevator door opening protecting apparatus further includes using
In the first lock unlock lockset 600 being mounted on layer door 500.First lock unlock lockset 600 is chosen as triangulation chain.First lock
Button unlock lockset 600 is equipped with output rotating member 601.Output rotating member 601 can contradict the first opening tool 303, so that first opens
Part 303 drives the rotation of the first latch hook 302.In this way, operating personnel unlocks lockset in 500 outside of layer door, by opening the first lock
600, so that output rotating member 601 be driven to rotate, and then exports rotating member 601 and contradict and the first opening tool 303 is pushed to rotate, with
So that the first opening tool 303 is driven the rotation of the first latch hook 302, realizes that the first latch hook 302 is separated with the first lock 301.It is appreciated that
There are many mode that the first opening tool realizes that the first latch hook is separated with the first lock.For example, the first opening tool is snap switch or electricity
Magnetic switch.Snap switch or electromagnetic switch drive the first latch hook to separate with the first lock.Staff can be driven by contact
Or the mode of remote control drives the first opening tool.
Further, the first opening tool is rod piece or plate.First opening tool is located at the top of output rotating member.First lock
Button unlock lockset has lockhole.When key is inserted into lockhole, output rotating member moves in a circle along the axis of lockhole.Work as output
When rotating member moves upwards, output rotating member touches the first opening tool, and drives the rotation of the first latch hook, thus the first latch hook and
The separation of first lock.First latch hook passes through the first idler wheel in the process, the second idler wheel drives the rotation of the second latch hook.However,
During exporting rotating member circular motion, the angle of the second latch hook rotation is small, and the second latch hook does not turn to the second lock solution lock-bit
It sets, so the second latch hook and the second lock interlock.
On the basis of previous embodiment, as shown in Figures 1 to 3, the first latching device 300 further includes first back-moving spring
306, and/or, the second latching device 400 further includes second back-moving spring 406.First back-moving spring 306 is for being mounted on gantry crane
On plate 200.First back-moving spring 306 is connect with the first latch hook 302, so that the first latch hook 302 and the first lock 301 interlock.The
Two reset springs 406 are for being mounted on gantry crane plate 200.Second back-moving spring 406 is connect with the second latch hook 402, so that second
Latch hook 402 and the second lock 401 interlock.First back-moving spring 306 applies elastic force to the first latch hook 302, so that the first latch hook 302
It is interlocked with the first lock 301, avoids 500 open without reason of layer door, so as to prevent people or object from falling in hoistway.Second resets
Spring 406 applies elastic force to the second latch hook 402, so that the second latch hook 402 and the second lock 401 interlock, avoids layer door 500 without reason
It opens, so as to prevent people or object from falling in hoistway.
Specifically, as shown in figure 3, the side of the first latch hook 302 has hook groove.First lock 301 has hook portion.First
Reset spring 306 is in compressive state.First back-moving spring 306 is mounted on the other side of the first latch hook 302, and to the first latch hook
302 apply pressure, so that the groove of the first latch hook 302 is packed into the hook portion of the first lock 301, thus the first latch hook 302 and the
The interlocking of one lock 301.In addition, second back-moving spring 406 is in elongation state.Second back-moving spring 406 applies the second latch hook 402
Add pulling force, prevents the second latch hook 402 and the separation of the second lock 401.
On the basis of previous embodiment, as shown in figure 3, above-mentioned elevator door opening protecting apparatus further includes bottom plate
700.Bottom plate 700 is for being mounted on gantry crane plate 200.First latch hook 302 by bottom plate 700 for installation on gantry crane plate 200,
And/or second latch hook 402 by bottom plate 700 for installation on gantry crane plate 200.Firstly, the first latch hook 302 and/or the second lock
Hook 402 is mounted on bottom plate 700.Then, bottom plate 700 is installed to again on gantry crane plate 200.Compared to the first latch hook 302 and/or second
Latch hook 402 is mounted directly on gantry crane plate 200, and the first latch hook 302 and/or the second latch hook 402 can be simpler by bottom plate 700
It is singly quickly installed on gantry crane plate 200.Specifically, the first latch hook 302, the second latch hook 402, first back-moving spring 306, second
Reset spring 406, the first idler wheel 304 and the second idler wheel 404 are installed on bottom plate 700.Then, bottom plate 700 is installed to door again
On platform sling 200.In this way, need to only open up the mounting hole with bottom plate 700 without opening up excessive mounting hole on gantry crane plate 200.
As depicted in figs. 1 and 2, a kind of elevator door opening method, using above-mentioned elevator door opening protecting apparatus, packet
Include following steps:
S1: the first opening tool 303 is driven from layer outer side of door, so that the first latch hook 302 is separated with the first lock 301.
S2: mobile layer door 500 to layer door half-open position.
S3: the second opening tool 403 is driven on the inside of layer door, so that the second latch hook 402 is separated with the second lock 401.
S4: mobile layer door 500 to layer door fully open position.
Above-mentioned elevator door opening method, operating personnel drive the first opening tool 303 from layer outer side of door, so that the first lock
Hook 302 is separated with the first lock 301, so that the first latching device 300 is in the unlocked state.Then, operating personnel can push
Layer door 500, and mobile layer door 500 is to layer door half-open position.At this point, the second latch hook 402 and the second lock 401 interlock.Due to layer
Door 500 is located at layer door half-open position, and operating personnel can driving second be opened on the inside of layer door by the gap between layer door 500
Part 403, so that the second latch hook 402 is separated with the second lock 401, so that the second latching device 400 is in the unlocked state, Jin Erneng
It is enough to fully open layer door 500.In this way, layer door 500 is needed could completely by unlock twice when carriage is not at leveling region
It opens, so that layer door 500 be avoided to fully open suddenly, operating personnel is caused to fall in hoistway because of gravity center instability.Above-mentioned electricity
Terraced layer door open method can play the role of protecting operating personnel, the generation of safety accident when preventing layer door 500 from opening.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of elevator door opening protecting apparatus characterized by comprising
First latching device, first latching device include the first lock, the first latch hook and the first opening tool, first lock
Seat is for being mounted on bank on layer door, and first latch hook is for being mounted on gantry crane plate, first latch hook and described first
Lock interlock fit；First opening tool can drive from layer outer side of door, so that first latch hook and first lock
Separation；
Second latching device, second latching device include the second lock, the second latch hook and the second opening tool, second lock
Seat is for being mounted on bank on layer door, and second latch hook is for being mounted on gantry crane plate, second latch hook and described second
Lock interlock fit；Second opening tool can drive on the inside of layer door, so that second latch hook and second lock
Separation；
When first latch hook is separated with first lock, layer door can be moved to layer door half-open position；When layer door is moved to
When layer door half-open position, second latch hook is matched with second lock, so that layer door can not continue to open；
For being installed in rotation on gantry crane plate, first opening tool is connect first latch hook with first latch hook,
First opening tool can drive first latch hook to rotate, so that first latch hook is separated with first lock；It is described
Second latch hook can drive second latch hook to rotate for being installed in rotation on gantry crane plate, second opening tool, so that
Second latch hook is separated with second lock；First latching device further includes first for cooperating with gate door knife
Idler wheel, second latching device further include the second idler wheel, and first idler wheel is connect with first latch hook, second rolling
Wheel is connect with second latch hook, and first idler wheel is meshed with second idler wheel.
2. elevator door opening protecting apparatus according to claim 1, which is characterized in that second opening tool with it is described
First latch hook, the second latch hook, the first idler wheel or the connection of the second idler wheel, second opening tool can drive second latch hook to turn
It is dynamic, so that second latch hook is separated with second lock.
3. elevator door opening protecting apparatus according to claim 2, which is characterized in that first latching device also wraps
The first rotary shaft, the middle part of first latch hook and the first rotation axis connection are included, first rotary shaft is for being mounted on
On gantry crane plate, second opening tool is unlock drawstring, and the unlock drawstring is installed on first latch hook far from described first
One end of lock.
4. elevator door opening protecting apparatus according to claim 1, which is characterized in that further include for being mounted on layer door
On the first lock unlock lockset, the first lock unlock lockset is equipped with output rotating member, and the output rotating member can contradict
First opening tool, so that first opening tool drives the first latch hook rotation.
5. elevator door opening protecting apparatus according to claim 1, which is characterized in that first latching device also wraps
First back-moving spring is included, the first back-moving spring is for being mounted on gantry crane plate, the first back-moving spring and described first
Latch hook connection, so that first latch hook and first lock interlock；And/or second latching device further includes second
Reset spring, the second back-moving spring connect for being mounted on gantry crane plate, the second back-moving spring and second latch hook
It connects, so that second latch hook and second lock interlock.
6. elevator door opening protecting apparatus according to claim 1, which is characterized in that second latch hook is equipped with first
Hook, second lock are equipped with the second hook being arranged corresponding to first hook；
When layer door is closed, there is gap between first hook and second hook；When to be moved to layer door half-open for layer door
Position, first hook and the second hook clasp joint.
7. elevator door opening protecting apparatus described in any one according to claim 1~6, which is characterized in that further include bottom
Plate, the bottom plate is for being mounted on gantry crane plate；First latch hook by the bottom plate for installation on gantry crane plate, and/
Or, second latch hook is by the bottom plate for installation on gantry crane plate.
8. a kind of elevator door opening method, using elevator door opening protecting apparatus described in claim 1, feature exists
In, comprising the following steps:
First opening tool is driven from layer outer side of door, so that first latch hook is separated with first lock；
Mobile layer door is to layer door half-open position；
Second opening tool is driven on the inside of layer door, so that second latch hook is separated with second lock；
Mobile layer door is to layer door fully open position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193346.1A CN106829704B (en) | 2017-03-28 | 2017-03-28 | Elevator door opening protecting apparatus and elevator door opening method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193346.1A CN106829704B (en) | 2017-03-28 | 2017-03-28 | Elevator door opening protecting apparatus and elevator door opening method |
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| Publication Number | Publication Date |
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| CN106829704A CN106829704A (en) | 2017-06-13 |
| CN106829704B true CN106829704B (en) | 2019-02-12 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861975A (en) * | 2018-06-29 | 2018-11-23 | 朱亚军 | The assemble method of lift appliance |
| CN108584637B (en) * | 2018-06-29 | 2020-12-01 | 李武 | Elevator device |
| CN109436999B (en) * | 2018-11-28 | 2023-11-07 | 苏州市职业大学 | Elevator connecting rod type landing door lock |
| CN109835798B (en) * | 2019-02-01 | 2021-04-02 | 日立电梯（中国）有限公司 | Elevator landing door |
| KR102281527B1 (en) * | 2020-12-14 | 2021-07-23 | 이경은 | Elevator having clutch unit to open car-door in power outage |
| CN113682928B (en) * | 2021-08-25 | 2023-03-07 | 日立电梯（中国）有限公司 | Elevator layer door lock structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003312968A (en) * | 2002-04-17 | 2003-11-06 | Hitachi Ltd | Locking device of cage side door |
| CN103387173B (en) * | 2012-05-09 | 2015-08-19 | 上海三菱电梯有限公司 | Elevator car door locking device |
| CN103693539B (en) * | 2012-09-27 | 2015-11-18 | 日立电梯（中国）有限公司 | Double-vane layer door opening protecting apparatus |
| JP2014084178A (en) * | 2012-10-19 | 2014-05-12 | Hitachi Building Systems Co Ltd | Locking apparatus for elevator landing door |
| CN203545418U (en) * | 2013-10-25 | 2014-04-16 | 上海三菱电梯有限公司 | Anti-falling safety protection device for elevator landing door |
| CN105645239B (en) * | 2016-03-31 | 2023-10-13 | 宁波欧菱电梯配件有限公司 | Synchronous locking mechanism of elevator door motor and operation method thereof |
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